project
stringclasses 2
values | commit_id
stringlengths 40
40
| target
int64 0
1
| func
stringlengths 26
142k
| idx
int64 0
27.3k
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|---|---|---|---|---|
FFmpeg | 38bb5a5434f913451aa512624a92b12b9925690f | 0 | void ff_set_mpeg4_time(MpegEncContext * s){
if(s->pict_type==AV_PICTURE_TYPE_B){
ff_mpeg4_init_direct_mv(s);
}else{
s->last_time_base= s->time_base;
s->time_base= s->time/s->avctx->time_base.den;
}
}
| 18,496 |
FFmpeg | f927c5b753f2ec1f037ad38cb55b4407dd7a9d79 | 1 | static int skeleton_header(AVFormatContext *s, int idx)
{
struct ogg *ogg = s->priv_data;
struct ogg_stream *os = ogg->streams + idx;
AVStream *st = s->streams[idx];
uint8_t *buf = os->buf + os->pstart;
int version_major, version_minor;
int64_t start_num, start_den, start_granule;
int target_idx, start_time;
strcpy(st->codec->codec_name, "skeleton");
st->codec->codec_type = AVMEDIA_TYPE_DATA;
if (os->psize < 8)
return -1;
if (!strncmp(buf, "fishead", 8)) {
if (os->psize < 64)
return -1;
version_major = AV_RL16(buf+8);
version_minor = AV_RL16(buf+10);
if (version_major != 3 && version_major != 4) {
av_log(s, AV_LOG_WARNING, "Unknown skeleton version %d.%d\n",
version_major, version_minor);
return -1;
}
// This is the overall start time. We use it for the start time of
// of the skeleton stream since if left unset lavf assumes 0,
// which we don't want since skeleton is timeless
// FIXME: the real meaning of this field is "start playback at
// this time which can be in the middle of a packet
start_num = AV_RL64(buf+12);
start_den = AV_RL64(buf+20);
if (start_den) {
int base_den;
av_reduce(&start_time, &base_den, start_num, start_den, INT_MAX);
avpriv_set_pts_info(st, 64, 1, base_den);
os->lastpts =
st->start_time = start_time;
}
} else if (!strncmp(buf, "fisbone", 8)) {
if (os->psize < 52)
return -1;
target_idx = ogg_find_stream(ogg, AV_RL32(buf+12));
start_granule = AV_RL64(buf+36);
if (target_idx >= 0 && start_granule != -1) {
ogg->streams[target_idx].lastpts =
s->streams[target_idx]->start_time = ogg_gptopts(s, target_idx, start_granule, NULL);
}
}
return 1;
}
| 18,498 |
qemu | 70e53e6e4da3db4b2c31981191753a7e974936d0 | 1 | static void virtio_net_set_status(struct VirtIODevice *vdev, uint8_t status)
{
VirtIONet *n = VIRTIO_NET(vdev);
VirtIONetQueue *q;
int i;
uint8_t queue_status;
virtio_net_vnet_endian_status(n, status);
virtio_net_vhost_status(n, status);
for (i = 0; i < n->max_queues; i++) {
NetClientState *ncs = qemu_get_subqueue(n->nic, i);
bool queue_started;
q = &n->vqs[i];
if ((!n->multiqueue && i != 0) || i >= n->curr_queues) {
queue_status = 0;
} else {
queue_status = status;
}
queue_started =
virtio_net_started(n, queue_status) && !n->vhost_started;
if (queue_started) {
qemu_flush_queued_packets(ncs);
}
if (!q->tx_waiting) {
continue;
}
if (queue_started) {
if (q->tx_timer) {
timer_mod(q->tx_timer,
qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + n->tx_timeout);
} else {
qemu_bh_schedule(q->tx_bh);
}
} else {
if (q->tx_timer) {
timer_del(q->tx_timer);
} else {
qemu_bh_cancel(q->tx_bh);
}
if ((n->status & VIRTIO_NET_S_LINK_UP) == 0 &&
(queue_status & VIRTIO_CONFIG_S_DRIVER_OK)) {
/* if tx is waiting we are likely have some packets in tx queue
* and disabled notification */
q->tx_waiting = 0;
virtio_queue_set_notification(q->tx_vq, 1);
virtio_net_drop_tx_queue_data(vdev, q->tx_vq);
}
}
}
}
| 18,499 |
FFmpeg | 70d54392f5015b9c6594fcae558f59f952501e3b | 0 | static void alloc_picture(void *opaque)
{
VideoState *is = opaque;
VideoPicture *vp;
vp = &is->pictq[is->pictq_windex];
if (vp->bmp)
SDL_FreeYUVOverlay(vp->bmp);
#if CONFIG_AVFILTER
if (vp->picref)
avfilter_unref_buffer(vp->picref);
vp->picref = NULL;
vp->width = is->out_video_filter->inputs[0]->w;
vp->height = is->out_video_filter->inputs[0]->h;
vp->pix_fmt = is->out_video_filter->inputs[0]->format;
#else
vp->width = is->video_st->codec->width;
vp->height = is->video_st->codec->height;
vp->pix_fmt = is->video_st->codec->pix_fmt;
#endif
vp->bmp = SDL_CreateYUVOverlay(vp->width, vp->height,
SDL_YV12_OVERLAY,
screen);
if (!vp->bmp || vp->bmp->pitches[0] < vp->width) {
/* SDL allocates a buffer smaller than requested if the video
* overlay hardware is unable to support the requested size. */
fprintf(stderr, "Error: the video system does not support an image\n"
"size of %dx%d pixels. Try using -vf \"scale=w:h\"\n"
"to reduce the image size.\n", vp->width, vp->height );
do_exit(is);
}
SDL_LockMutex(is->pictq_mutex);
vp->allocated = 1;
SDL_CondSignal(is->pictq_cond);
SDL_UnlockMutex(is->pictq_mutex);
}
| 18,500 |
FFmpeg | 6c9c8b06b32013c58101f27991eae251bf4eb485 | 0 | static void int_to_int16(int16_t *out, const int *inp)
{
int i;
for (i=0; i<30; i++)
*(out++) = *(inp++);
}
| 18,502 |
FFmpeg | 955aec3c7c7be39b659197e1ec379a09f2b7c41c | 0 | static int decode_frame_adu(AVCodecContext *avctx, void *data,
int *got_frame_ptr, AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
MPADecodeContext *s = avctx->priv_data;
uint32_t header;
int len, ret;
len = buf_size;
// Discard too short frames
if (buf_size < HEADER_SIZE) {
av_log(avctx, AV_LOG_ERROR, "Packet is too small\n");
return AVERROR_INVALIDDATA;
}
if (len > MPA_MAX_CODED_FRAME_SIZE)
len = MPA_MAX_CODED_FRAME_SIZE;
// Get header and restore sync word
header = AV_RB32(buf) | 0xffe00000;
if (ff_mpa_check_header(header) < 0) { // Bad header, discard frame
av_log(avctx, AV_LOG_ERROR, "Invalid frame header\n");
return AVERROR_INVALIDDATA;
}
avpriv_mpegaudio_decode_header((MPADecodeHeader *)s, header);
/* update codec info */
avctx->sample_rate = s->sample_rate;
avctx->channels = s->nb_channels;
avctx->channel_layout = s->nb_channels == 1 ? AV_CH_LAYOUT_MONO : AV_CH_LAYOUT_STEREO;
if (!avctx->bit_rate)
avctx->bit_rate = s->bit_rate;
s->frame_size = len;
s->frame = data;
ret = mp_decode_frame(s, NULL, buf, buf_size);
if (ret < 0) {
av_log(avctx, AV_LOG_ERROR, "Error while decoding MPEG audio frame.\n");
return ret;
}
*got_frame_ptr = 1;
return buf_size;
}
| 18,504 |
FFmpeg | 3d11b8ce13788653f7929e49a11681a1bae2f75e | 0 | static void fill_caches(H264Context *h, int mb_type, int for_deblock){
MpegEncContext * const s = &h->s;
const int mb_xy= h->mb_xy;
int topleft_xy, top_xy, topright_xy, left_xy[2];
int topleft_type, top_type, topright_type, left_type[2];
int * left_block;
int topleft_partition= -1;
int i;
top_xy = mb_xy - (s->mb_stride << FIELD_PICTURE);
//FIXME deblocking could skip the intra and nnz parts.
if(for_deblock && (h->slice_num == 1 || h->slice_table[mb_xy] == h->slice_table[top_xy]) && !FRAME_MBAFF)
return;
/* Wow, what a mess, why didn't they simplify the interlacing & intra
* stuff, I can't imagine that these complex rules are worth it. */
topleft_xy = top_xy - 1;
topright_xy= top_xy + 1;
left_xy[1] = left_xy[0] = mb_xy-1;
left_block = left_block_options[0];
if(FRAME_MBAFF){
const int pair_xy = s->mb_x + (s->mb_y & ~1)*s->mb_stride;
const int top_pair_xy = pair_xy - s->mb_stride;
const int topleft_pair_xy = top_pair_xy - 1;
const int topright_pair_xy = top_pair_xy + 1;
const int topleft_mb_frame_flag = !IS_INTERLACED(s->current_picture.mb_type[topleft_pair_xy]);
const int top_mb_frame_flag = !IS_INTERLACED(s->current_picture.mb_type[top_pair_xy]);
const int topright_mb_frame_flag = !IS_INTERLACED(s->current_picture.mb_type[topright_pair_xy]);
const int left_mb_frame_flag = !IS_INTERLACED(s->current_picture.mb_type[pair_xy-1]);
const int curr_mb_frame_flag = !IS_INTERLACED(mb_type);
const int bottom = (s->mb_y & 1);
tprintf(s->avctx, "fill_caches: curr_mb_frame_flag:%d, left_mb_frame_flag:%d, topleft_mb_frame_flag:%d, top_mb_frame_flag:%d, topright_mb_frame_flag:%d\n", curr_mb_frame_flag, left_mb_frame_flag, topleft_mb_frame_flag, top_mb_frame_flag, topright_mb_frame_flag);
if (bottom
? !curr_mb_frame_flag // bottom macroblock
: (!curr_mb_frame_flag && !top_mb_frame_flag) // top macroblock
) {
top_xy -= s->mb_stride;
}
if (bottom
? !curr_mb_frame_flag // bottom macroblock
: (!curr_mb_frame_flag && !topleft_mb_frame_flag) // top macroblock
) {
topleft_xy -= s->mb_stride;
} else if(bottom && curr_mb_frame_flag && !left_mb_frame_flag) {
topleft_xy += s->mb_stride;
// take top left mv from the middle of the mb, as opposed to all other modes which use the bottom right partition
topleft_partition = 0;
}
if (bottom
? !curr_mb_frame_flag // bottom macroblock
: (!curr_mb_frame_flag && !topright_mb_frame_flag) // top macroblock
) {
topright_xy -= s->mb_stride;
}
if (left_mb_frame_flag != curr_mb_frame_flag) {
left_xy[1] = left_xy[0] = pair_xy - 1;
if (curr_mb_frame_flag) {
if (bottom) {
left_block = left_block_options[1];
} else {
left_block= left_block_options[2];
}
} else {
left_xy[1] += s->mb_stride;
left_block = left_block_options[3];
}
}
}
h->top_mb_xy = top_xy;
h->left_mb_xy[0] = left_xy[0];
h->left_mb_xy[1] = left_xy[1];
if(for_deblock){
topleft_type = 0;
topright_type = 0;
top_type = h->slice_table[top_xy ] < 255 ? s->current_picture.mb_type[top_xy] : 0;
left_type[0] = h->slice_table[left_xy[0] ] < 255 ? s->current_picture.mb_type[left_xy[0]] : 0;
left_type[1] = h->slice_table[left_xy[1] ] < 255 ? s->current_picture.mb_type[left_xy[1]] : 0;
if(FRAME_MBAFF && !IS_INTRA(mb_type)){
int list;
for(list=0; list<h->list_count; list++){
if(USES_LIST(mb_type,list)){
uint32_t *src = (uint32_t*)s->current_picture.motion_val[list][h->mb2b_xy[mb_xy]];
uint32_t *dst = (uint32_t*)h->mv_cache[list][scan8[0]];
int8_t *ref = &s->current_picture.ref_index[list][h->mb2b8_xy[mb_xy]];
for(i=0; i<4; i++, dst+=8, src+=h->b_stride){
dst[0] = src[0];
dst[1] = src[1];
dst[2] = src[2];
dst[3] = src[3];
}
*(uint32_t*)&h->ref_cache[list][scan8[ 0]] =
*(uint32_t*)&h->ref_cache[list][scan8[ 2]] = pack16to32(ref[0],ref[1])*0x0101;
ref += h->b8_stride;
*(uint32_t*)&h->ref_cache[list][scan8[ 8]] =
*(uint32_t*)&h->ref_cache[list][scan8[10]] = pack16to32(ref[0],ref[1])*0x0101;
}else{
fill_rectangle(&h-> mv_cache[list][scan8[ 0]], 4, 4, 8, 0, 4);
fill_rectangle(&h->ref_cache[list][scan8[ 0]], 4, 4, 8, (uint8_t)LIST_NOT_USED, 1);
}
}
}
}else{
topleft_type = h->slice_table[topleft_xy ] == h->slice_num ? s->current_picture.mb_type[topleft_xy] : 0;
top_type = h->slice_table[top_xy ] == h->slice_num ? s->current_picture.mb_type[top_xy] : 0;
topright_type= h->slice_table[topright_xy] == h->slice_num ? s->current_picture.mb_type[topright_xy]: 0;
left_type[0] = h->slice_table[left_xy[0] ] == h->slice_num ? s->current_picture.mb_type[left_xy[0]] : 0;
left_type[1] = h->slice_table[left_xy[1] ] == h->slice_num ? s->current_picture.mb_type[left_xy[1]] : 0;
}
if(IS_INTRA(mb_type)){
h->topleft_samples_available=
h->top_samples_available=
h->left_samples_available= 0xFFFF;
h->topright_samples_available= 0xEEEA;
if(!IS_INTRA(top_type) && (top_type==0 || h->pps.constrained_intra_pred)){
h->topleft_samples_available= 0xB3FF;
h->top_samples_available= 0x33FF;
h->topright_samples_available= 0x26EA;
}
for(i=0; i<2; i++){
if(!IS_INTRA(left_type[i]) && (left_type[i]==0 || h->pps.constrained_intra_pred)){
h->topleft_samples_available&= 0xDF5F;
h->left_samples_available&= 0x5F5F;
}
}
if(!IS_INTRA(topleft_type) && (topleft_type==0 || h->pps.constrained_intra_pred))
h->topleft_samples_available&= 0x7FFF;
if(!IS_INTRA(topright_type) && (topright_type==0 || h->pps.constrained_intra_pred))
h->topright_samples_available&= 0xFBFF;
if(IS_INTRA4x4(mb_type)){
if(IS_INTRA4x4(top_type)){
h->intra4x4_pred_mode_cache[4+8*0]= h->intra4x4_pred_mode[top_xy][4];
h->intra4x4_pred_mode_cache[5+8*0]= h->intra4x4_pred_mode[top_xy][5];
h->intra4x4_pred_mode_cache[6+8*0]= h->intra4x4_pred_mode[top_xy][6];
h->intra4x4_pred_mode_cache[7+8*0]= h->intra4x4_pred_mode[top_xy][3];
}else{
int pred;
if(!top_type || (IS_INTER(top_type) && h->pps.constrained_intra_pred))
pred= -1;
else{
pred= 2;
}
h->intra4x4_pred_mode_cache[4+8*0]=
h->intra4x4_pred_mode_cache[5+8*0]=
h->intra4x4_pred_mode_cache[6+8*0]=
h->intra4x4_pred_mode_cache[7+8*0]= pred;
}
for(i=0; i<2; i++){
if(IS_INTRA4x4(left_type[i])){
h->intra4x4_pred_mode_cache[3+8*1 + 2*8*i]= h->intra4x4_pred_mode[left_xy[i]][left_block[0+2*i]];
h->intra4x4_pred_mode_cache[3+8*2 + 2*8*i]= h->intra4x4_pred_mode[left_xy[i]][left_block[1+2*i]];
}else{
int pred;
if(!left_type[i] || (IS_INTER(left_type[i]) && h->pps.constrained_intra_pred))
pred= -1;
else{
pred= 2;
}
h->intra4x4_pred_mode_cache[3+8*1 + 2*8*i]=
h->intra4x4_pred_mode_cache[3+8*2 + 2*8*i]= pred;
}
}
}
}
/*
0 . T T. T T T T
1 L . .L . . . .
2 L . .L . . . .
3 . T TL . . . .
4 L . .L . . . .
5 L . .. . . . .
*/
//FIXME constraint_intra_pred & partitioning & nnz (let us hope this is just a typo in the spec)
if(top_type){
h->non_zero_count_cache[4+8*0]= h->non_zero_count[top_xy][4];
h->non_zero_count_cache[5+8*0]= h->non_zero_count[top_xy][5];
h->non_zero_count_cache[6+8*0]= h->non_zero_count[top_xy][6];
h->non_zero_count_cache[7+8*0]= h->non_zero_count[top_xy][3];
h->non_zero_count_cache[1+8*0]= h->non_zero_count[top_xy][9];
h->non_zero_count_cache[2+8*0]= h->non_zero_count[top_xy][8];
h->non_zero_count_cache[1+8*3]= h->non_zero_count[top_xy][12];
h->non_zero_count_cache[2+8*3]= h->non_zero_count[top_xy][11];
}else{
h->non_zero_count_cache[4+8*0]=
h->non_zero_count_cache[5+8*0]=
h->non_zero_count_cache[6+8*0]=
h->non_zero_count_cache[7+8*0]=
h->non_zero_count_cache[1+8*0]=
h->non_zero_count_cache[2+8*0]=
h->non_zero_count_cache[1+8*3]=
h->non_zero_count_cache[2+8*3]= h->pps.cabac && !IS_INTRA(mb_type) ? 0 : 64;
}
for (i=0; i<2; i++) {
if(left_type[i]){
h->non_zero_count_cache[3+8*1 + 2*8*i]= h->non_zero_count[left_xy[i]][left_block[0+2*i]];
h->non_zero_count_cache[3+8*2 + 2*8*i]= h->non_zero_count[left_xy[i]][left_block[1+2*i]];
h->non_zero_count_cache[0+8*1 + 8*i]= h->non_zero_count[left_xy[i]][left_block[4+2*i]];
h->non_zero_count_cache[0+8*4 + 8*i]= h->non_zero_count[left_xy[i]][left_block[5+2*i]];
}else{
h->non_zero_count_cache[3+8*1 + 2*8*i]=
h->non_zero_count_cache[3+8*2 + 2*8*i]=
h->non_zero_count_cache[0+8*1 + 8*i]=
h->non_zero_count_cache[0+8*4 + 8*i]= h->pps.cabac && !IS_INTRA(mb_type) ? 0 : 64;
}
}
if( h->pps.cabac ) {
// top_cbp
if(top_type) {
h->top_cbp = h->cbp_table[top_xy];
} else if(IS_INTRA(mb_type)) {
h->top_cbp = 0x1C0;
} else {
h->top_cbp = 0;
}
// left_cbp
if (left_type[0]) {
h->left_cbp = h->cbp_table[left_xy[0]] & 0x1f0;
} else if(IS_INTRA(mb_type)) {
h->left_cbp = 0x1C0;
} else {
h->left_cbp = 0;
}
if (left_type[0]) {
h->left_cbp |= ((h->cbp_table[left_xy[0]]>>((left_block[0]&(~1))+1))&0x1) << 1;
}
if (left_type[1]) {
h->left_cbp |= ((h->cbp_table[left_xy[1]]>>((left_block[2]&(~1))+1))&0x1) << 3;
}
}
#if 1
if(IS_INTER(mb_type) || IS_DIRECT(mb_type)){
int list;
for(list=0; list<h->list_count; list++){
if(!USES_LIST(mb_type, list) && !IS_DIRECT(mb_type) && !h->deblocking_filter){
/*if(!h->mv_cache_clean[list]){
memset(h->mv_cache [list], 0, 8*5*2*sizeof(int16_t)); //FIXME clean only input? clean at all?
memset(h->ref_cache[list], PART_NOT_AVAILABLE, 8*5*sizeof(int8_t));
h->mv_cache_clean[list]= 1;
}*/
continue;
}
h->mv_cache_clean[list]= 0;
if(USES_LIST(top_type, list)){
const int b_xy= h->mb2b_xy[top_xy] + 3*h->b_stride;
const int b8_xy= h->mb2b8_xy[top_xy] + h->b8_stride;
*(uint32_t*)h->mv_cache[list][scan8[0] + 0 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 0];
*(uint32_t*)h->mv_cache[list][scan8[0] + 1 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 1];
*(uint32_t*)h->mv_cache[list][scan8[0] + 2 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 2];
*(uint32_t*)h->mv_cache[list][scan8[0] + 3 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 3];
h->ref_cache[list][scan8[0] + 0 - 1*8]=
h->ref_cache[list][scan8[0] + 1 - 1*8]= s->current_picture.ref_index[list][b8_xy + 0];
h->ref_cache[list][scan8[0] + 2 - 1*8]=
h->ref_cache[list][scan8[0] + 3 - 1*8]= s->current_picture.ref_index[list][b8_xy + 1];
}else{
*(uint32_t*)h->mv_cache [list][scan8[0] + 0 - 1*8]=
*(uint32_t*)h->mv_cache [list][scan8[0] + 1 - 1*8]=
*(uint32_t*)h->mv_cache [list][scan8[0] + 2 - 1*8]=
*(uint32_t*)h->mv_cache [list][scan8[0] + 3 - 1*8]= 0;
*(uint32_t*)&h->ref_cache[list][scan8[0] + 0 - 1*8]= ((top_type ? LIST_NOT_USED : PART_NOT_AVAILABLE)&0xFF)*0x01010101;
}
for(i=0; i<2; i++){
int cache_idx = scan8[0] - 1 + i*2*8;
if(USES_LIST(left_type[i], list)){
const int b_xy= h->mb2b_xy[left_xy[i]] + 3;
const int b8_xy= h->mb2b8_xy[left_xy[i]] + 1;
*(uint32_t*)h->mv_cache[list][cache_idx ]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[0+i*2]];
*(uint32_t*)h->mv_cache[list][cache_idx+8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[1+i*2]];
h->ref_cache[list][cache_idx ]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[0+i*2]>>1)];
h->ref_cache[list][cache_idx+8]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[1+i*2]>>1)];
}else{
*(uint32_t*)h->mv_cache [list][cache_idx ]=
*(uint32_t*)h->mv_cache [list][cache_idx+8]= 0;
h->ref_cache[list][cache_idx ]=
h->ref_cache[list][cache_idx+8]= left_type[i] ? LIST_NOT_USED : PART_NOT_AVAILABLE;
}
}
if((for_deblock || (IS_DIRECT(mb_type) && !h->direct_spatial_mv_pred)) && !FRAME_MBAFF)
continue;
if(USES_LIST(topleft_type, list)){
const int b_xy = h->mb2b_xy[topleft_xy] + 3 + h->b_stride + (topleft_partition & 2*h->b_stride);
const int b8_xy= h->mb2b8_xy[topleft_xy] + 1 + (topleft_partition & h->b8_stride);
*(uint32_t*)h->mv_cache[list][scan8[0] - 1 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy];
h->ref_cache[list][scan8[0] - 1 - 1*8]= s->current_picture.ref_index[list][b8_xy];
}else{
*(uint32_t*)h->mv_cache[list][scan8[0] - 1 - 1*8]= 0;
h->ref_cache[list][scan8[0] - 1 - 1*8]= topleft_type ? LIST_NOT_USED : PART_NOT_AVAILABLE;
}
if(USES_LIST(topright_type, list)){
const int b_xy= h->mb2b_xy[topright_xy] + 3*h->b_stride;
const int b8_xy= h->mb2b8_xy[topright_xy] + h->b8_stride;
*(uint32_t*)h->mv_cache[list][scan8[0] + 4 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy];
h->ref_cache[list][scan8[0] + 4 - 1*8]= s->current_picture.ref_index[list][b8_xy];
}else{
*(uint32_t*)h->mv_cache [list][scan8[0] + 4 - 1*8]= 0;
h->ref_cache[list][scan8[0] + 4 - 1*8]= topright_type ? LIST_NOT_USED : PART_NOT_AVAILABLE;
}
if((IS_SKIP(mb_type) || IS_DIRECT(mb_type)) && !FRAME_MBAFF)
continue;
h->ref_cache[list][scan8[5 ]+1] =
h->ref_cache[list][scan8[7 ]+1] =
h->ref_cache[list][scan8[13]+1] = //FIXME remove past 3 (init somewhere else)
h->ref_cache[list][scan8[4 ]] =
h->ref_cache[list][scan8[12]] = PART_NOT_AVAILABLE;
*(uint32_t*)h->mv_cache [list][scan8[5 ]+1]=
*(uint32_t*)h->mv_cache [list][scan8[7 ]+1]=
*(uint32_t*)h->mv_cache [list][scan8[13]+1]= //FIXME remove past 3 (init somewhere else)
*(uint32_t*)h->mv_cache [list][scan8[4 ]]=
*(uint32_t*)h->mv_cache [list][scan8[12]]= 0;
if( h->pps.cabac ) {
/* XXX beurk, Load mvd */
if(USES_LIST(top_type, list)){
const int b_xy= h->mb2b_xy[top_xy] + 3*h->b_stride;
*(uint32_t*)h->mvd_cache[list][scan8[0] + 0 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 0];
*(uint32_t*)h->mvd_cache[list][scan8[0] + 1 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 1];
*(uint32_t*)h->mvd_cache[list][scan8[0] + 2 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 2];
*(uint32_t*)h->mvd_cache[list][scan8[0] + 3 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 3];
}else{
*(uint32_t*)h->mvd_cache [list][scan8[0] + 0 - 1*8]=
*(uint32_t*)h->mvd_cache [list][scan8[0] + 1 - 1*8]=
*(uint32_t*)h->mvd_cache [list][scan8[0] + 2 - 1*8]=
*(uint32_t*)h->mvd_cache [list][scan8[0] + 3 - 1*8]= 0;
}
if(USES_LIST(left_type[0], list)){
const int b_xy= h->mb2b_xy[left_xy[0]] + 3;
*(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 0*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[0]];
*(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[1]];
}else{
*(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 0*8]=
*(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 1*8]= 0;
}
if(USES_LIST(left_type[1], list)){
const int b_xy= h->mb2b_xy[left_xy[1]] + 3;
*(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 2*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[2]];
*(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 3*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[3]];
}else{
*(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 2*8]=
*(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 3*8]= 0;
}
*(uint32_t*)h->mvd_cache [list][scan8[5 ]+1]=
*(uint32_t*)h->mvd_cache [list][scan8[7 ]+1]=
*(uint32_t*)h->mvd_cache [list][scan8[13]+1]= //FIXME remove past 3 (init somewhere else)
*(uint32_t*)h->mvd_cache [list][scan8[4 ]]=
*(uint32_t*)h->mvd_cache [list][scan8[12]]= 0;
if(h->slice_type_nos == FF_B_TYPE){
fill_rectangle(&h->direct_cache[scan8[0]], 4, 4, 8, 0, 1);
if(IS_DIRECT(top_type)){
*(uint32_t*)&h->direct_cache[scan8[0] - 1*8]= 0x01010101;
}else if(IS_8X8(top_type)){
int b8_xy = h->mb2b8_xy[top_xy] + h->b8_stride;
h->direct_cache[scan8[0] + 0 - 1*8]= h->direct_table[b8_xy];
h->direct_cache[scan8[0] + 2 - 1*8]= h->direct_table[b8_xy + 1];
}else{
*(uint32_t*)&h->direct_cache[scan8[0] - 1*8]= 0;
}
if(IS_DIRECT(left_type[0]))
h->direct_cache[scan8[0] - 1 + 0*8]= 1;
else if(IS_8X8(left_type[0]))
h->direct_cache[scan8[0] - 1 + 0*8]= h->direct_table[h->mb2b8_xy[left_xy[0]] + 1 + h->b8_stride*(left_block[0]>>1)];
else
h->direct_cache[scan8[0] - 1 + 0*8]= 0;
if(IS_DIRECT(left_type[1]))
h->direct_cache[scan8[0] - 1 + 2*8]= 1;
else if(IS_8X8(left_type[1]))
h->direct_cache[scan8[0] - 1 + 2*8]= h->direct_table[h->mb2b8_xy[left_xy[1]] + 1 + h->b8_stride*(left_block[2]>>1)];
else
h->direct_cache[scan8[0] - 1 + 2*8]= 0;
}
}
if(FRAME_MBAFF){
#define MAP_MVS\
MAP_F2F(scan8[0] - 1 - 1*8, topleft_type)\
MAP_F2F(scan8[0] + 0 - 1*8, top_type)\
MAP_F2F(scan8[0] + 1 - 1*8, top_type)\
MAP_F2F(scan8[0] + 2 - 1*8, top_type)\
MAP_F2F(scan8[0] + 3 - 1*8, top_type)\
MAP_F2F(scan8[0] + 4 - 1*8, topright_type)\
MAP_F2F(scan8[0] - 1 + 0*8, left_type[0])\
MAP_F2F(scan8[0] - 1 + 1*8, left_type[0])\
MAP_F2F(scan8[0] - 1 + 2*8, left_type[1])\
MAP_F2F(scan8[0] - 1 + 3*8, left_type[1])
if(MB_FIELD){
#define MAP_F2F(idx, mb_type)\
if(!IS_INTERLACED(mb_type) && h->ref_cache[list][idx] >= 0){\
h->ref_cache[list][idx] <<= 1;\
h->mv_cache[list][idx][1] /= 2;\
h->mvd_cache[list][idx][1] /= 2;\
}
MAP_MVS
#undef MAP_F2F
}else{
#define MAP_F2F(idx, mb_type)\
if(IS_INTERLACED(mb_type) && h->ref_cache[list][idx] >= 0){\
h->ref_cache[list][idx] >>= 1;\
h->mv_cache[list][idx][1] <<= 1;\
h->mvd_cache[list][idx][1] <<= 1;\
}
MAP_MVS
#undef MAP_F2F
}
}
}
}
#endif
h->neighbor_transform_size= !!IS_8x8DCT(top_type) + !!IS_8x8DCT(left_type[0]);
}
| 18,505 |
qemu | 7f3be0f20ff8d976ab982cc06026cac0600f1fb6 | 1 | int virtio_gpu_create_mapping_iov(struct virtio_gpu_resource_attach_backing *ab,
struct virtio_gpu_ctrl_command *cmd,
struct iovec **iov)
{
struct virtio_gpu_mem_entry *ents;
size_t esize, s;
int i;
if (ab->nr_entries > 16384) {
qemu_log_mask(LOG_GUEST_ERROR,
"%s: nr_entries is too big (%d > 16384)\n",
__func__, ab->nr_entries);
return -1;
}
esize = sizeof(*ents) * ab->nr_entries;
ents = g_malloc(esize);
s = iov_to_buf(cmd->elem.out_sg, cmd->elem.out_num,
sizeof(*ab), ents, esize);
if (s != esize) {
qemu_log_mask(LOG_GUEST_ERROR,
"%s: command data size incorrect %zu vs %zu\n",
__func__, s, esize);
g_free(ents);
return -1;
}
*iov = g_malloc0(sizeof(struct iovec) * ab->nr_entries);
for (i = 0; i < ab->nr_entries; i++) {
hwaddr len = ents[i].length;
(*iov)[i].iov_len = ents[i].length;
(*iov)[i].iov_base = cpu_physical_memory_map(ents[i].addr, &len, 1);
if (!(*iov)[i].iov_base || len != ents[i].length) {
qemu_log_mask(LOG_GUEST_ERROR, "%s: failed to map MMIO memory for"
" resource %d element %d\n",
__func__, ab->resource_id, i);
virtio_gpu_cleanup_mapping_iov(*iov, i);
g_free(ents);
g_free(*iov);
*iov = NULL;
return -1;
}
}
g_free(ents);
return 0;
}
| 18,506 |
qemu | 54c42368f57c02b0970bb32b4542f99b913908ba | 1 | static int check_refcounts_l2(BlockDriverState *bs,
uint16_t *refcount_table, int refcount_table_size, int64_t l2_offset,
int check_copied)
{
BDRVQcowState *s = bs->opaque;
uint64_t *l2_table, offset;
int i, l2_size, nb_csectors, refcount;
int errors = 0;
/* Read L2 table from disk */
l2_size = s->l2_size * sizeof(uint64_t);
l2_table = qemu_malloc(l2_size);
if (bdrv_pread(s->hd, l2_offset, l2_table, l2_size) != l2_size)
goto fail;
/* Do the actual checks */
for(i = 0; i < s->l2_size; i++) {
offset = be64_to_cpu(l2_table[i]);
if (offset != 0) {
if (offset & QCOW_OFLAG_COMPRESSED) {
/* Compressed clusters don't have QCOW_OFLAG_COPIED */
if (offset & QCOW_OFLAG_COPIED) {
fprintf(stderr, "ERROR: cluster %" PRId64 ": "
"copied flag must never be set for compressed "
"clusters\n", offset >> s->cluster_bits);
offset &= ~QCOW_OFLAG_COPIED;
/* Mark cluster as used */
nb_csectors = ((offset >> s->csize_shift) &
s->csize_mask) + 1;
offset &= s->cluster_offset_mask;
errors += inc_refcounts(bs, refcount_table,
refcount_table_size,
offset & ~511, nb_csectors * 512);
} else {
/* QCOW_OFLAG_COPIED must be set iff refcount == 1 */
if (check_copied) {
uint64_t entry = offset;
offset &= ~QCOW_OFLAG_COPIED;
refcount = get_refcount(bs, offset >> s->cluster_bits);
if ((refcount == 1) != ((entry & QCOW_OFLAG_COPIED) != 0)) {
fprintf(stderr, "ERROR OFLAG_COPIED: offset=%"
PRIx64 " refcount=%d\n", entry, refcount);
/* Mark cluster as used */
offset &= ~QCOW_OFLAG_COPIED;
errors += inc_refcounts(bs, refcount_table,
refcount_table_size,
offset, s->cluster_size);
qemu_free(l2_table);
return errors;
fail:
fprintf(stderr, "ERROR: I/O error in check_refcounts_l1\n");
qemu_free(l2_table);
return -EIO; | 18,507 |
FFmpeg | 42de393dcb354c2981cdd39aa52992dc77594feb | 0 | static inline void direct_ref_list_init(H264Context * const h){
MpegEncContext * const s = &h->s;
Picture * const ref1 = &h->ref_list[1][0];
Picture * const cur = s->current_picture_ptr;
int list, i, j;
int sidx= s->picture_structure&1;
int ref1sidx= ref1->reference&1;
for(list=0; list<2; list++){
cur->ref_count[sidx][list] = h->ref_count[list];
for(j=0; j<h->ref_count[list]; j++)
cur->ref_poc[sidx][list][j] = h->ref_list[list][j].poc;
}
if(s->picture_structure == PICT_FRAME){
memcpy(cur->ref_count[0], cur->ref_count[1], sizeof(cur->ref_count[0]));
memcpy(cur->ref_poc [0], cur->ref_poc [1], sizeof(cur->ref_poc [0]));
}
if(cur->pict_type != FF_B_TYPE || h->direct_spatial_mv_pred)
return;
for(list=0; list<2; list++){
for(i=0; i<ref1->ref_count[ref1sidx][list]; i++){
const int poc = ref1->ref_poc[ref1sidx][list][i];
h->map_col_to_list0[list][i] = 0; /* bogus; fills in for missing frames */
for(j=0; j<h->ref_count[list]; j++)
if(h->ref_list[list][j].poc == poc){
h->map_col_to_list0[list][i] = j;
break;
}
}
}
if(FRAME_MBAFF){
for(list=0; list<2; list++){
for(i=0; i<ref1->ref_count[ref1sidx][list]; i++){
j = h->map_col_to_list0[list][i];
h->map_col_to_list0_field[list][2*i] = 2*j;
h->map_col_to_list0_field[list][2*i+1] = 2*j+1;
}
}
}
}
| 18,508 |
FFmpeg | 44874b4f5ec2c605c70393573b9d85540ebc2d81 | 1 | static inline void tm2_high_chroma(int *data, int stride, int *last, int *CD, int *deltas)
{
int i, j;
for (j = 0; j < 2; j++) {
for (i = 0; i < 2; i++) {
CD[j] += deltas[i + j * 2];
last[i] += CD[j];
data[i] = last[i];
}
data += stride;
}
}
| 18,509 |
qemu | fbb7b4e0804d2168f24142eebf7552adde1968dc | 1 | static int bdrv_check_byte_request(BlockDriverState *bs, int64_t offset,
size_t size)
{
int64_t len;
if (!bdrv_is_inserted(bs))
return -ENOMEDIUM;
if (bs->growable)
return 0;
len = bdrv_getlength(bs);
if ((offset + size) > len)
return -EIO;
return 0;
}
| 18,510 |
FFmpeg | ad5807f8aa883bee5431186dc1f24c5435d722d3 | 1 | static int aiff_read_header(AVFormatContext *s)
{
int ret, size, filesize;
int64_t offset = 0, position;
uint32_t tag;
unsigned version = AIFF_C_VERSION1;
AVIOContext *pb = s->pb;
AVStream * st;
AIFFInputContext *aiff = s->priv_data;
ID3v2ExtraMeta *id3v2_extra_meta = NULL;
/* check FORM header */
filesize = get_tag(pb, &tag);
if (filesize < 0 || tag != MKTAG('F', 'O', 'R', 'M'))
return AVERROR_INVALIDDATA;
/* AIFF data type */
tag = avio_rl32(pb);
if (tag == MKTAG('A', 'I', 'F', 'F')) /* Got an AIFF file */
version = AIFF;
else if (tag != MKTAG('A', 'I', 'F', 'C')) /* An AIFF-C file then */
return AVERROR_INVALIDDATA;
filesize -= 4;
st = avformat_new_stream(s, NULL);
if (!st)
return AVERROR(ENOMEM);
while (filesize > 0) {
/* parse different chunks */
size = get_tag(pb, &tag);
if (size == AVERROR_EOF && offset > 0 && st->codecpar->block_align) {
av_log(s, AV_LOG_WARNING, "header parser hit EOF\n");
goto got_sound;
}
if (size < 0)
return size;
filesize -= size + 8;
switch (tag) {
case MKTAG('C', 'O', 'M', 'M'): /* Common chunk */
/* Then for the complete header info */
st->nb_frames = get_aiff_header(s, size, version);
if (st->nb_frames < 0)
return st->nb_frames;
if (offset > 0) // COMM is after SSND
goto got_sound;
break;
case MKTAG('I', 'D', '3', ' '):
position = avio_tell(pb);
ff_id3v2_read(s, ID3v2_DEFAULT_MAGIC, &id3v2_extra_meta, size);
if (id3v2_extra_meta)
if ((ret = ff_id3v2_parse_apic(s, &id3v2_extra_meta)) < 0) {
ff_id3v2_free_extra_meta(&id3v2_extra_meta);
return ret;
}
ff_id3v2_free_extra_meta(&id3v2_extra_meta);
if (position + size > avio_tell(pb))
avio_skip(pb, position + size - avio_tell(pb));
break;
case MKTAG('F', 'V', 'E', 'R'): /* Version chunk */
version = avio_rb32(pb);
break;
case MKTAG('N', 'A', 'M', 'E'): /* Sample name chunk */
get_meta(s, "title" , size);
break;
case MKTAG('A', 'U', 'T', 'H'): /* Author chunk */
get_meta(s, "author" , size);
break;
case MKTAG('(', 'c', ')', ' '): /* Copyright chunk */
get_meta(s, "copyright", size);
break;
case MKTAG('A', 'N', 'N', 'O'): /* Annotation chunk */
get_meta(s, "comment" , size);
break;
case MKTAG('S', 'S', 'N', 'D'): /* Sampled sound chunk */
aiff->data_end = avio_tell(pb) + size;
offset = avio_rb32(pb); /* Offset of sound data */
avio_rb32(pb); /* BlockSize... don't care */
offset += avio_tell(pb); /* Compute absolute data offset */
if (st->codecpar->block_align && !pb->seekable) /* Assume COMM already parsed */
goto got_sound;
if (!pb->seekable) {
av_log(s, AV_LOG_ERROR, "file is not seekable\n");
return -1;
}
avio_skip(pb, size - 8);
break;
case MKTAG('w', 'a', 'v', 'e'):
if ((uint64_t)size > (1<<30))
return -1;
if (ff_get_extradata(s, st->codecpar, pb, size) < 0)
return AVERROR(ENOMEM);
if ( (st->codecpar->codec_id == AV_CODEC_ID_QDMC || st->codecpar->codec_id == AV_CODEC_ID_QDM2)
&& size>=12*4 && !st->codecpar->block_align) {
st->codecpar->block_align = AV_RB32(st->codecpar->extradata+11*4);
aiff->block_duration = AV_RB32(st->codecpar->extradata+9*4);
} else if (st->codecpar->codec_id == AV_CODEC_ID_QCELP) {
char rate = 0;
if (size >= 25)
rate = st->codecpar->extradata[24];
switch (rate) {
case 'H': // RATE_HALF
st->codecpar->block_align = 17;
break;
case 'F': // RATE_FULL
default:
st->codecpar->block_align = 35;
}
aiff->block_duration = 160;
st->codecpar->bit_rate = st->codecpar->sample_rate * (st->codecpar->block_align << 3) /
aiff->block_duration;
}
break;
case MKTAG('C','H','A','N'):
if(ff_mov_read_chan(s, pb, st, size) < 0)
return AVERROR_INVALIDDATA;
break;
case 0:
if (offset > 0 && st->codecpar->block_align) // COMM && SSND
goto got_sound;
default: /* Jump */
if (size & 1) /* Always even aligned */
size++;
avio_skip(pb, size);
}
}
got_sound:
if (!st->codecpar->block_align && st->codecpar->codec_id == AV_CODEC_ID_QCELP) {
av_log(s, AV_LOG_WARNING, "qcelp without wave chunk, assuming full rate\n");
st->codecpar->block_align = 35;
} else if (!st->codecpar->block_align) {
av_log(s, AV_LOG_ERROR, "could not find COMM tag or invalid block_align value\n");
return -1;
}
/* Now positioned, get the sound data start and end */
avpriv_set_pts_info(st, 64, 1, st->codecpar->sample_rate);
st->start_time = 0;
st->duration = st->nb_frames * aiff->block_duration;
/* Position the stream at the first block */
avio_seek(pb, offset, SEEK_SET);
return 0;
}
| 18,511 |
qemu | 12d4536f7d911b6d87a766ad7300482ea663cea2 | 1 | static int qemu_signal_init(void)
{
int sigfd;
sigset_t set;
#ifdef CONFIG_IOTHREAD
/* SIGUSR2 used by posix-aio-compat.c */
sigemptyset(&set);
sigaddset(&set, SIGUSR2);
pthread_sigmask(SIG_UNBLOCK, &set, NULL);
/*
* SIG_IPI must be blocked in the main thread and must not be caught
* by sigwait() in the signal thread. Otherwise, the cpu thread will
* not catch it reliably.
*/
sigemptyset(&set);
sigaddset(&set, SIG_IPI);
pthread_sigmask(SIG_BLOCK, &set, NULL);
sigemptyset(&set);
sigaddset(&set, SIGIO);
sigaddset(&set, SIGALRM);
sigaddset(&set, SIGBUS);
#else
sigemptyset(&set);
sigaddset(&set, SIGBUS);
if (kvm_enabled()) {
/*
* We need to process timer signals synchronously to avoid a race
* between exit_request check and KVM vcpu entry.
*/
sigaddset(&set, SIGIO);
sigaddset(&set, SIGALRM);
}
#endif
pthread_sigmask(SIG_BLOCK, &set, NULL);
sigfd = qemu_signalfd(&set);
if (sigfd == -1) {
fprintf(stderr, "failed to create signalfd\n");
return -errno;
}
fcntl_setfl(sigfd, O_NONBLOCK);
qemu_set_fd_handler2(sigfd, NULL, sigfd_handler, NULL,
(void *)(intptr_t)sigfd);
return 0;
}
| 18,514 |
qemu | 7d1b0095bff7157e856d1d0e6c4295641ced2752 | 1 | static void gen_neon_dup_high16(TCGv var)
{
TCGv tmp = new_tmp();
tcg_gen_andi_i32(var, var, 0xffff0000);
tcg_gen_shri_i32(tmp, var, 16);
tcg_gen_or_i32(var, var, tmp);
dead_tmp(tmp);
}
| 18,515 |
qemu | f8ed85ac992c48814d916d5df4d44f9a971c5de4 | 1 | static void lx60_net_init(MemoryRegion *address_space,
hwaddr base,
hwaddr descriptors,
hwaddr buffers,
qemu_irq irq, NICInfo *nd)
{
DeviceState *dev;
SysBusDevice *s;
MemoryRegion *ram;
dev = qdev_create(NULL, "open_eth");
qdev_set_nic_properties(dev, nd);
qdev_init_nofail(dev);
s = SYS_BUS_DEVICE(dev);
sysbus_connect_irq(s, 0, irq);
memory_region_add_subregion(address_space, base,
sysbus_mmio_get_region(s, 0));
memory_region_add_subregion(address_space, descriptors,
sysbus_mmio_get_region(s, 1));
ram = g_malloc(sizeof(*ram));
memory_region_init_ram(ram, OBJECT(s), "open_eth.ram", 16384, &error_abort);
vmstate_register_ram_global(ram);
memory_region_add_subregion(address_space, buffers, ram);
}
| 18,516 |
qemu | ae50b2747f77944faa79eb914272b54eb30b63b3 | 1 | void destroy_nic(dev_match_fn *match_fn, void *arg)
{
int i;
NICInfo *nic;
for (i = 0; i < MAX_NICS; i++) {
nic = &nd_table[i];
if (nic->used) {
if (nic->private && match_fn(nic->private, arg)) {
if (nic->vlan) {
VLANClientState *vc;
vc = qemu_find_vlan_client(nic->vlan, nic->private);
if (vc)
qemu_del_vlan_client(vc);
}
net_client_uninit(nic);
}
}
}
}
| 18,517 |
FFmpeg | d6604b29ef544793479d7fb4e05ef6622bb3e534 | 0 | static av_cold int pcm_encode_close(AVCodecContext *avctx)
{
av_freep(&avctx->coded_frame);
return 0;
}
| 18,519 |
FFmpeg | 9be52d48d9137e05361dd1ffb6b1fb3677e1fb47 | 0 | static void extract_exponents(AC3EncodeContext *s)
{
int blk, ch, i;
for (ch = 0; ch < s->channels; ch++) {
for (blk = 0; blk < AC3_MAX_BLOCKS; blk++) {
AC3Block *block = &s->blocks[blk];
for (i = 0; i < AC3_MAX_COEFS; i++) {
int e;
int v = abs(SCALE_COEF(block->mdct_coef[ch][i]));
if (v == 0)
e = 24;
else {
e = 23 - av_log2(v) + block->exp_shift[ch];
if (e >= 24) {
e = 24;
block->mdct_coef[ch][i] = 0;
}
}
block->exp[ch][i] = e;
}
}
}
}
| 18,520 |
FFmpeg | 0d021cc8b30a6f81c27fbeca7f99f1ee7a20acf8 | 0 | static av_cold int nvenc_dyload_cuda(AVCodecContext *avctx)
{
NvencContext *ctx = avctx->priv_data;
NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs;
#if CONFIG_CUDA
dl_fn->cu_init = cuInit;
dl_fn->cu_device_get_count = cuDeviceGetCount;
dl_fn->cu_device_get = cuDeviceGet;
dl_fn->cu_device_get_name = cuDeviceGetName;
dl_fn->cu_device_compute_capability = cuDeviceComputeCapability;
dl_fn->cu_ctx_create = cuCtxCreate_v2;
dl_fn->cu_ctx_pop_current = cuCtxPopCurrent_v2;
dl_fn->cu_ctx_destroy = cuCtxDestroy_v2;
return 1;
#else
if (dl_fn->cuda_lib)
return 1;
#if defined(_WIN32)
dl_fn->cuda_lib = LoadLibrary(TEXT("nvcuda.dll"));
#else
dl_fn->cuda_lib = dlopen("libcuda.so", RTLD_LAZY);
#endif
if (!dl_fn->cuda_lib) {
av_log(avctx, AV_LOG_FATAL, "Failed loading CUDA library\n");
goto error;
}
CHECK_LOAD_FUNC(PCUINIT, dl_fn->cu_init, "cuInit");
CHECK_LOAD_FUNC(PCUDEVICEGETCOUNT, dl_fn->cu_device_get_count, "cuDeviceGetCount");
CHECK_LOAD_FUNC(PCUDEVICEGET, dl_fn->cu_device_get, "cuDeviceGet");
CHECK_LOAD_FUNC(PCUDEVICEGETNAME, dl_fn->cu_device_get_name, "cuDeviceGetName");
CHECK_LOAD_FUNC(PCUDEVICECOMPUTECAPABILITY, dl_fn->cu_device_compute_capability, "cuDeviceComputeCapability");
CHECK_LOAD_FUNC(PCUCTXCREATE, dl_fn->cu_ctx_create, "cuCtxCreate_v2");
CHECK_LOAD_FUNC(PCUCTXPOPCURRENT, dl_fn->cu_ctx_pop_current, "cuCtxPopCurrent_v2");
CHECK_LOAD_FUNC(PCUCTXDESTROY, dl_fn->cu_ctx_destroy, "cuCtxDestroy_v2");
return 1;
error:
if (dl_fn->cuda_lib)
DL_CLOSE_FUNC(dl_fn->cuda_lib);
dl_fn->cuda_lib = NULL;
return 0;
#endif
}
| 18,521 |
FFmpeg | 4e8d01f20ce82b49f47c704a461c5d30866affaf | 0 | static void pat_cb(MpegTSFilter *filter, const uint8_t *section, int section_len)
{
MpegTSContext *ts = filter->u.section_filter.opaque;
MpegTSSectionFilter *tssf = &filter->u.section_filter;
SectionHeader h1, *h = &h1;
const uint8_t *p, *p_end;
int sid, pmt_pid;
AVProgram *program;
av_log(ts->stream, AV_LOG_TRACE, "PAT:\n");
hex_dump_debug(ts->stream, section, section_len);
p_end = section + section_len - 4;
p = section;
if (parse_section_header(h, &p, p_end) < 0)
return;
if (h->tid != PAT_TID)
return;
if (ts->skip_changes)
return;
if (h->version == tssf->last_ver)
return;
tssf->last_ver = h->version;
ts->stream->ts_id = h->id;
clear_programs(ts);
for (;;) {
sid = get16(&p, p_end);
if (sid < 0)
break;
pmt_pid = get16(&p, p_end);
if (pmt_pid < 0)
break;
pmt_pid &= 0x1fff;
if (pmt_pid == ts->current_pid)
break;
av_log(ts->stream, AV_LOG_TRACE, "sid=0x%x pid=0x%x\n", sid, pmt_pid);
if (sid == 0x0000) {
/* NIT info */
} else {
MpegTSFilter *fil = ts->pids[pmt_pid];
program = av_new_program(ts->stream, sid);
if (program) {
program->program_num = sid;
program->pmt_pid = pmt_pid;
}
if (fil)
if ( fil->type != MPEGTS_SECTION
|| fil->pid != pmt_pid
|| fil->u.section_filter.section_cb != pmt_cb)
mpegts_close_filter(ts, ts->pids[pmt_pid]);
if (!ts->pids[pmt_pid])
mpegts_open_section_filter(ts, pmt_pid, pmt_cb, ts, 1);
add_pat_entry(ts, sid);
add_pid_to_pmt(ts, sid, 0); // add pat pid to program
add_pid_to_pmt(ts, sid, pmt_pid);
}
}
if (sid < 0) {
int i,j;
for (j=0; j<ts->stream->nb_programs; j++) {
for (i = 0; i < ts->nb_prg; i++)
if (ts->prg[i].id == ts->stream->programs[j]->id)
break;
if (i==ts->nb_prg && !ts->skip_clear)
clear_avprogram(ts, ts->stream->programs[j]->id);
}
}
}
| 18,522 |
FFmpeg | 47b777ceed470104fb4e6325d5ac1bddbb4752c8 | 1 | int ff_wma_init(AVCodecContext * avctx, int flags2)
{
WMACodecContext *s = avctx->priv_data;
int i;
float *window;
float bps1, high_freq;
volatile float bps;
int sample_rate1;
int coef_vlc_table;
s->sample_rate = avctx->sample_rate;
s->nb_channels = avctx->channels;
s->bit_rate = avctx->bit_rate;
s->block_align = avctx->block_align;
dsputil_init(&s->dsp, avctx);
if (avctx->codec->id == CODEC_ID_WMAV1) {
s->version = 1;
} else {
s->version = 2;
}
/* compute MDCT block size */
if (s->sample_rate <= 16000) {
s->frame_len_bits = 9;
} else if (s->sample_rate <= 22050 ||
(s->sample_rate <= 32000 && s->version == 1)) {
s->frame_len_bits = 10;
} else {
s->frame_len_bits = 11;
}
s->frame_len = 1 << s->frame_len_bits;
if (s->use_variable_block_len) {
int nb_max, nb;
nb = ((flags2 >> 3) & 3) + 1;
if ((s->bit_rate / s->nb_channels) >= 32000)
nb += 2;
nb_max = s->frame_len_bits - BLOCK_MIN_BITS;
if (nb > nb_max)
nb = nb_max;
s->nb_block_sizes = nb + 1;
} else {
s->nb_block_sizes = 1;
}
/* init rate dependent parameters */
s->use_noise_coding = 1;
high_freq = s->sample_rate * 0.5;
/* if version 2, then the rates are normalized */
sample_rate1 = s->sample_rate;
if (s->version == 2) {
if (sample_rate1 >= 44100)
sample_rate1 = 44100;
else if (sample_rate1 >= 22050)
sample_rate1 = 22050;
else if (sample_rate1 >= 16000)
sample_rate1 = 16000;
else if (sample_rate1 >= 11025)
sample_rate1 = 11025;
else if (sample_rate1 >= 8000)
sample_rate1 = 8000;
}
bps = (float)s->bit_rate / (float)(s->nb_channels * s->sample_rate);
s->byte_offset_bits = av_log2((int)(bps * s->frame_len / 8.0 + 0.5)) + 2;
/* compute high frequency value and choose if noise coding should
be activated */
bps1 = bps;
if (s->nb_channels == 2)
bps1 = bps * 1.6;
if (sample_rate1 == 44100) {
if (bps1 >= 0.61)
s->use_noise_coding = 0;
else
high_freq = high_freq * 0.4;
} else if (sample_rate1 == 22050) {
if (bps1 >= 1.16)
s->use_noise_coding = 0;
else if (bps1 >= 0.72)
high_freq = high_freq * 0.7;
else
high_freq = high_freq * 0.6;
} else if (sample_rate1 == 16000) {
if (bps > 0.5)
high_freq = high_freq * 0.5;
else
high_freq = high_freq * 0.3;
} else if (sample_rate1 == 11025) {
high_freq = high_freq * 0.7;
} else if (sample_rate1 == 8000) {
if (bps <= 0.625) {
high_freq = high_freq * 0.5;
} else if (bps > 0.75) {
s->use_noise_coding = 0;
} else {
high_freq = high_freq * 0.65;
}
} else {
if (bps >= 0.8) {
high_freq = high_freq * 0.75;
} else if (bps >= 0.6) {
high_freq = high_freq * 0.6;
} else {
high_freq = high_freq * 0.5;
}
}
dprintf(s->avctx, "flags2=0x%x\n", flags2);
dprintf(s->avctx, "version=%d channels=%d sample_rate=%d bitrate=%d block_align=%d\n",
s->version, s->nb_channels, s->sample_rate, s->bit_rate,
s->block_align);
dprintf(s->avctx, "bps=%f bps1=%f high_freq=%f bitoffset=%d\n",
bps, bps1, high_freq, s->byte_offset_bits);
dprintf(s->avctx, "use_noise_coding=%d use_exp_vlc=%d nb_block_sizes=%d\n",
s->use_noise_coding, s->use_exp_vlc, s->nb_block_sizes);
/* compute the scale factor band sizes for each MDCT block size */
{
int a, b, pos, lpos, k, block_len, i, j, n;
const uint8_t *table;
if (s->version == 1) {
s->coefs_start = 3;
} else {
s->coefs_start = 0;
}
for(k = 0; k < s->nb_block_sizes; k++) {
block_len = s->frame_len >> k;
if (s->version == 1) {
lpos = 0;
for(i=0;i<25;i++) {
a = wma_critical_freqs[i];
b = s->sample_rate;
pos = ((block_len * 2 * a) + (b >> 1)) / b;
if (pos > block_len)
pos = block_len;
s->exponent_bands[0][i] = pos - lpos;
if (pos >= block_len) {
i++;
break;
}
lpos = pos;
}
s->exponent_sizes[0] = i;
} else {
/* hardcoded tables */
table = NULL;
a = s->frame_len_bits - BLOCK_MIN_BITS - k;
if (a < 3) {
if (s->sample_rate >= 44100)
table = exponent_band_44100[a];
else if (s->sample_rate >= 32000)
table = exponent_band_32000[a];
else if (s->sample_rate >= 22050)
table = exponent_band_22050[a];
}
if (table) {
n = *table++;
for(i=0;i<n;i++)
s->exponent_bands[k][i] = table[i];
s->exponent_sizes[k] = n;
} else {
j = 0;
lpos = 0;
for(i=0;i<25;i++) {
a = wma_critical_freqs[i];
b = s->sample_rate;
pos = ((block_len * 2 * a) + (b << 1)) / (4 * b);
pos <<= 2;
if (pos > block_len)
pos = block_len;
if (pos > lpos)
s->exponent_bands[k][j++] = pos - lpos;
if (pos >= block_len)
break;
lpos = pos;
}
s->exponent_sizes[k] = j;
}
}
/* max number of coefs */
s->coefs_end[k] = (s->frame_len - ((s->frame_len * 9) / 100)) >> k;
/* high freq computation */
s->high_band_start[k] = (int)((block_len * 2 * high_freq) /
s->sample_rate + 0.5);
n = s->exponent_sizes[k];
j = 0;
pos = 0;
for(i=0;i<n;i++) {
int start, end;
start = pos;
pos += s->exponent_bands[k][i];
end = pos;
if (start < s->high_band_start[k])
start = s->high_band_start[k];
if (end > s->coefs_end[k])
end = s->coefs_end[k];
if (end > start)
s->exponent_high_bands[k][j++] = end - start;
}
s->exponent_high_sizes[k] = j;
#if 0
tprintf(s->avctx, "%5d: coefs_end=%d high_band_start=%d nb_high_bands=%d: ",
s->frame_len >> k,
s->coefs_end[k],
s->high_band_start[k],
s->exponent_high_sizes[k]);
for(j=0;j<s->exponent_high_sizes[k];j++)
tprintf(s->avctx, " %d", s->exponent_high_bands[k][j]);
tprintf(s->avctx, "\n");
#endif
}
}
#ifdef TRACE
{
int i, j;
for(i = 0; i < s->nb_block_sizes; i++) {
tprintf(s->avctx, "%5d: n=%2d:",
s->frame_len >> i,
s->exponent_sizes[i]);
for(j=0;j<s->exponent_sizes[i];j++)
tprintf(s->avctx, " %d", s->exponent_bands[i][j]);
tprintf(s->avctx, "\n");
}
}
#endif
/* init MDCT windows : simple sinus window */
for(i = 0; i < s->nb_block_sizes; i++) {
int n, j;
float alpha;
n = 1 << (s->frame_len_bits - i);
window = av_malloc(sizeof(float) * n);
alpha = M_PI / (2.0 * n);
for(j=0;j<n;j++) {
window[j] = sin((j + 0.5) * alpha);
}
s->windows[i] = window;
}
s->reset_block_lengths = 1;
if (s->use_noise_coding) {
/* init the noise generator */
if (s->use_exp_vlc)
s->noise_mult = 0.02;
else
s->noise_mult = 0.04;
#ifdef TRACE
for(i=0;i<NOISE_TAB_SIZE;i++)
s->noise_table[i] = 1.0 * s->noise_mult;
#else
{
unsigned int seed;
float norm;
seed = 1;
norm = (1.0 / (float)(1LL << 31)) * sqrt(3) * s->noise_mult;
for(i=0;i<NOISE_TAB_SIZE;i++) {
seed = seed * 314159 + 1;
s->noise_table[i] = (float)((int)seed) * norm;
}
}
#endif
}
/* choose the VLC tables for the coefficients */
coef_vlc_table = 2;
if (s->sample_rate >= 32000) {
if (bps1 < 0.72)
coef_vlc_table = 0;
else if (bps1 < 1.16)
coef_vlc_table = 1;
}
s->coef_vlcs[0]= &coef_vlcs[coef_vlc_table * 2 ];
s->coef_vlcs[1]= &coef_vlcs[coef_vlc_table * 2 + 1];
init_coef_vlc(&s->coef_vlc[0], &s->run_table[0], &s->level_table[0], &s->int_table[0],
s->coef_vlcs[0]);
init_coef_vlc(&s->coef_vlc[1], &s->run_table[1], &s->level_table[1], &s->int_table[1],
s->coef_vlcs[1]);
return 0;
} | 18,525 |
qemu | 111049a4ecefc9cf1ac75c773f4c5c165f27fe63 | 1 | void do_blockdev_backup(BlockdevBackup *backup, BlockJobTxn *txn, Error **errp)
{
BlockDriverState *bs;
BlockDriverState *target_bs;
Error *local_err = NULL;
AioContext *aio_context;
if (!backup->has_speed) {
backup->speed = 0;
}
if (!backup->has_on_source_error) {
backup->on_source_error = BLOCKDEV_ON_ERROR_REPORT;
}
if (!backup->has_on_target_error) {
backup->on_target_error = BLOCKDEV_ON_ERROR_REPORT;
}
if (!backup->has_job_id) {
backup->job_id = NULL;
}
if (!backup->has_compress) {
backup->compress = false;
}
bs = qmp_get_root_bs(backup->device, errp);
if (!bs) {
return;
}
aio_context = bdrv_get_aio_context(bs);
aio_context_acquire(aio_context);
target_bs = bdrv_lookup_bs(backup->target, backup->target, errp);
if (!target_bs) {
goto out;
}
if (bdrv_get_aio_context(target_bs) != aio_context) {
if (!bdrv_has_blk(target_bs)) {
/* The target BDS is not attached, we can safely move it to another
* AioContext. */
bdrv_set_aio_context(target_bs, aio_context);
} else {
error_setg(errp, "Target is attached to a different thread from "
"source.");
goto out;
}
}
backup_start(backup->job_id, bs, target_bs, backup->speed, backup->sync,
NULL, backup->compress, backup->on_source_error,
backup->on_target_error, BLOCK_JOB_DEFAULT,
NULL, NULL, txn, &local_err);
if (local_err != NULL) {
error_propagate(errp, local_err);
}
out:
aio_context_release(aio_context);
}
| 18,526 |
FFmpeg | ecc3a139b8858553e4ec8b3f4dd04510c6c94b03 | 1 | static int decode_extradata(AVFormatContext *s, ADTSContext *adts, uint8_t *buf, int size)
{
GetBitContext gb;
init_get_bits(&gb, buf, size * 8);
adts->objecttype = get_bits(&gb, 5) - 1;
adts->sample_rate_index = get_bits(&gb, 4);
adts->channel_conf = get_bits(&gb, 4);
if (adts->objecttype > 3) {
av_log(s, AV_LOG_ERROR, "MPEG-4 AOT %d is not allowed in ADTS\n", adts->objecttype);
return -1;
}
if (adts->sample_rate_index == 15) {
av_log(s, AV_LOG_ERROR, "Escape sample rate index illegal in ADTS\n");
return -1;
}
if (adts->channel_conf == 0) {
ff_log_missing_feature(s, "PCE based channel configuration", 0);
return -1;
}
adts->write_adts = 1;
return 0;
}
| 18,527 |
qemu | 5c6c0e513600ba57c3e73b7151d3c0664438f7b5 | 1 | static int scsi_write_data(SCSIDevice *d, uint32_t tag)
{
SCSIGenericState *s = DO_UPCAST(SCSIGenericState, qdev, d);
SCSIGenericReq *r;
int ret;
DPRINTF("scsi_write_data 0x%x\n", tag);
r = scsi_find_request(s, tag);
if (!r) {
BADF("Bad write tag 0x%x\n", tag);
/* ??? This is the wrong error. */
scsi_command_complete(r, -EINVAL);
return 0;
}
if (r->len == 0) {
r->len = r->buflen;
scsi_req_data(&r->req, r->len);
return 0;
}
ret = execute_command(s->bs, r, SG_DXFER_TO_DEV, scsi_write_complete);
if (ret == -1) {
scsi_command_complete(r, -EINVAL);
return 1;
}
return 0;
}
| 18,530 |
qemu | 5e37141bbb9796ef139aee902a882ca97d59b84d | 1 | static void sd_reset(SDState *sd, BlockDriverState *bdrv)
{
uint64_t size;
uint64_t sect;
if (bdrv) {
bdrv_get_geometry(bdrv, §);
} else {
sect = 0;
}
sect <<= 9;
size = sect + 1;
sect = (size >> (HWBLOCK_SHIFT + SECTOR_SHIFT + WPGROUP_SHIFT)) + 1;
sd->state = sd_idle_state;
sd->rca = 0x0000;
sd_set_ocr(sd);
sd_set_scr(sd);
sd_set_cid(sd);
sd_set_csd(sd, size);
sd_set_cardstatus(sd);
sd_set_sdstatus(sd);
sd->bdrv = bdrv;
if (sd->wp_groups)
qemu_free(sd->wp_groups);
sd->wp_switch = bdrv ? bdrv_is_read_only(bdrv) : 0;
sd->wp_groups = (int *) qemu_mallocz(sizeof(int) * sect);
memset(sd->function_group, 0, sizeof(int) * 6);
sd->erase_start = 0;
sd->erase_end = 0;
sd->size = size;
sd->blk_len = 0x200;
sd->pwd_len = 0;
}
| 18,531 |
FFmpeg | 83f238cbf0c038245d2b2dffa5beb0916e7c36d2 | 0 | static void arm_idct_put(UINT8 *dest, int line_size, DCTELEM *block)
{
j_rev_dct_ARM (block);
put_pixels_clamped(block, dest, line_size);
}
| 18,532 |
FFmpeg | 56c07e298914d0533a74bb4ba4be4abc8ea6b245 | 0 | int ff_lpc_calc_coefs(DSPContext *s,
const int32_t *samples, int blocksize, int max_order,
int precision, int32_t coefs[][MAX_LPC_ORDER],
int *shift, int use_lpc, int omethod, int max_shift, int zero_shift)
{
double autoc[MAX_LPC_ORDER+1];
double ref[MAX_LPC_ORDER];
double lpc[MAX_LPC_ORDER][MAX_LPC_ORDER];
int i, j, pass;
int opt_order;
assert(max_order >= MIN_LPC_ORDER && max_order <= MAX_LPC_ORDER);
if(use_lpc == 1){
s->flac_compute_autocorr(samples, blocksize, max_order, autoc);
compute_lpc_coefs(autoc, max_order, lpc, ref);
}else{
LLSModel m[2];
double var[MAX_LPC_ORDER+1], weight;
for(pass=0; pass<use_lpc-1; pass++){
av_init_lls(&m[pass&1], max_order);
weight=0;
for(i=max_order; i<blocksize; i++){
for(j=0; j<=max_order; j++)
var[j]= samples[i-j];
if(pass){
double eval, inv, rinv;
eval= av_evaluate_lls(&m[(pass-1)&1], var+1, max_order-1);
eval= (512>>pass) + fabs(eval - var[0]);
inv = 1/eval;
rinv = sqrt(inv);
for(j=0; j<=max_order; j++)
var[j] *= rinv;
weight += inv;
}else
weight++;
av_update_lls(&m[pass&1], var, 1.0);
}
av_solve_lls(&m[pass&1], 0.001, 0);
}
for(i=0; i<max_order; i++){
for(j=0; j<max_order; j++)
lpc[i][j]= m[(pass-1)&1].coeff[i][j];
ref[i]= sqrt(m[(pass-1)&1].variance[i] / weight) * (blocksize - max_order) / 4000;
}
for(i=max_order-1; i>0; i--)
ref[i] = ref[i-1] - ref[i];
}
opt_order = max_order;
if(omethod == ORDER_METHOD_EST) {
opt_order = estimate_best_order(ref, max_order);
i = opt_order-1;
quantize_lpc_coefs(lpc[i], i+1, precision, coefs[i], &shift[i], max_shift, zero_shift);
} else {
for(i=0; i<max_order; i++) {
quantize_lpc_coefs(lpc[i], i+1, precision, coefs[i], &shift[i], max_shift, zero_shift);
}
}
return opt_order;
}
| 18,533 |
FFmpeg | b2955b6c5aed11026ec5c7164462899a10cdb937 | 0 | static inline av_flatten int get_symbol_inline(RangeCoder *c, uint8_t *state,
int is_signed)
{
if (get_rac(c, state + 0))
return 0;
else {
int i, e, a;
e = 0;
while (get_rac(c, state + 1 + FFMIN(e, 9))) // 1..10
e++;
a = 1;
for (i = e - 1; i >= 0; i--)
a += a + get_rac(c, state + 22 + FFMIN(i, 9)); // 22..31
e = -(is_signed && get_rac(c, state + 11 + FFMIN(e, 10))); // 11..21
return (a ^ e) - e;
}
}
| 18,534 |
FFmpeg | e278056fbad7405fc47901faea7de98db003a0fa | 0 | static int theora_decode_tables(AVCodecContext *avctx, GetBitContext gb)
{
Vp3DecodeContext *s = avctx->priv_data;
int i, n, matrices;
if (s->theora >= 0x030200) {
n = get_bits(&gb, 3);
/* loop filter limit values table */
for (i = 0; i < 64; i++)
s->filter_limit_values[i] = get_bits(&gb, n);
}
if (s->theora >= 0x030200)
n = get_bits(&gb, 4) + 1;
else
n = 16;
/* quality threshold table */
for (i = 0; i < 64; i++)
s->coded_ac_scale_factor[i] = get_bits(&gb, n);
if (s->theora >= 0x030200)
n = get_bits(&gb, 4) + 1;
else
n = 16;
/* dc scale factor table */
for (i = 0; i < 64; i++)
s->coded_dc_scale_factor[i] = get_bits(&gb, n);
if (s->theora >= 0x030200)
matrices = get_bits(&gb, 9) + 1;
else
matrices = 3;
if (matrices != 3) {
av_log(avctx,AV_LOG_ERROR, "unsupported matrices: %d\n", matrices);
// return -1;
}
/* y coeffs */
for (i = 0; i < 64; i++)
s->coded_intra_y_dequant[i] = get_bits(&gb, 8);
/* uv coeffs */
for (i = 0; i < 64; i++)
s->coded_intra_c_dequant[i] = get_bits(&gb, 8);
/* inter coeffs */
for (i = 0; i < 64; i++)
s->coded_inter_dequant[i] = get_bits(&gb, 8);
/* skip unknown matrices */
n = matrices - 3;
while(n--)
for (i = 0; i < 64; i++)
skip_bits(&gb, 8);
for (i = 0; i <= 1; i++) {
for (n = 0; n <= 2; n++) {
int newqr;
if (i > 0 || n > 0)
newqr = get_bits(&gb, 1);
else
newqr = 1;
if (!newqr) {
if (i > 0)
get_bits(&gb, 1);
}
else {
int qi = 0;
skip_bits(&gb, av_log2(matrices-1)+1);
while (qi < 63) {
qi += get_bits(&gb, av_log2(63-qi)+1) + 1;
skip_bits(&gb, av_log2(matrices-1)+1);
}
if (qi > 63) {
av_log(avctx, AV_LOG_ERROR, "invalid qi %d > 63\n", qi);
return -1;
}
}
}
}
/* Huffman tables */
for (s->hti = 0; s->hti < 80; s->hti++) {
s->entries = 0;
s->huff_code_size = 1;
if (!get_bits(&gb, 1)) {
s->hbits = 0;
read_huffman_tree(avctx, &gb);
s->hbits = 1;
read_huffman_tree(avctx, &gb);
}
}
s->theora_tables = 1;
return 0;
}
| 18,535 |
FFmpeg | eb54efc1e1aafe18d0a8a0c72a78314645bccc83 | 0 | static int ac3_eac3_probe(AVProbeData *p, enum AVCodecID expected_codec_id)
{
int max_frames, first_frames = 0, frames;
const uint8_t *buf, *buf2, *end;
enum AVCodecID codec_id = AV_CODEC_ID_AC3;
max_frames = 0;
buf = p->buf;
end = buf + p->buf_size;
for(; buf < end; buf++) {
if(buf > p->buf && !(buf[0] == 0x0B && buf[1] == 0x77)
&& !(buf[0] == 0x77 && buf[1] == 0x0B) )
continue;
buf2 = buf;
for(frames = 0; buf2 < end; frames++) {
uint8_t buf3[4096];
uint8_t bitstream_id;
uint16_t frame_size;
int i, ret;
if(!memcmp(buf2, "\x1\x10\0\0\0\0\0\0", 8))
buf2+=16;
if (buf[0] == 0x77 && buf[1] == 0x0B) {
for(i=0; i<8; i+=2) {
buf3[i ] = buf2[i+1];
buf3[i+1] = buf2[i ];
}
ret = av_ac3_parse_header(buf3, 8, &bitstream_id,
&frame_size);
}else
ret = av_ac3_parse_header(buf2, end - buf2, &bitstream_id,
&frame_size);
if (ret < 0)
break;
if(buf2 + frame_size > end)
break;
if (buf[0] == 0x77 && buf[1] == 0x0B) {
av_assert0(frame_size <= sizeof(buf3));
for(i = 8; i < frame_size; i += 2) {
buf3[i ] = buf2[i+1];
buf3[i+1] = buf2[i ];
}
if (av_crc(av_crc_get_table(AV_CRC_16_ANSI), 0, buf3 + 2, frame_size - 2))
break;
} else {
if (av_crc(av_crc_get_table(AV_CRC_16_ANSI), 0, buf2 + 2, frame_size - 2))
break;
}
if (bitstream_id > 10)
codec_id = AV_CODEC_ID_EAC3;
buf2 += frame_size;
}
max_frames = FFMAX(max_frames, frames);
if(buf == p->buf)
first_frames = frames;
}
if(codec_id != expected_codec_id) return 0;
// keep this in sync with mp3 probe, both need to avoid
// issues with MPEG-files!
if (first_frames>=7) return AVPROBE_SCORE_EXTENSION + 1;
else if(max_frames>200)return AVPROBE_SCORE_EXTENSION;
else if(max_frames>=4) return AVPROBE_SCORE_EXTENSION/2;
else if(max_frames>=1) return 1;
else return 0;
}
| 18,536 |
FFmpeg | 9f61abc8111c7c43f49ca012e957a108b9cc7610 | 0 | static int segment_end(AVFormatContext *oc, int write_trailer)
{
int ret = 0;
av_write_frame(oc, NULL); /* Flush any buffered data (fragmented mp4) */
if (write_trailer)
av_write_trailer(oc);
avio_close(oc->pb);
return ret;
}
| 18,537 |
FFmpeg | a0c71a575109f123978e345fa7eb4ac03cd4d3c3 | 0 | AVStream *avformat_new_stream(AVFormatContext *s, const AVCodec *c)
{
AVStream *st;
int i;
if (av_reallocp_array(&s->streams, s->nb_streams + 1,
sizeof(*s->streams)) < 0) {
s->nb_streams = 0;
return NULL;
}
st = av_mallocz(sizeof(AVStream));
if (!st)
return NULL;
if (!(st->info = av_mallocz(sizeof(*st->info)))) {
av_free(st);
return NULL;
}
st->codec = avcodec_alloc_context3(c);
if (!st->codec) {
av_free(st->info);
av_free(st);
return NULL;
}
if (s->iformat) {
/* no default bitrate if decoding */
st->codec->bit_rate = 0;
/* default pts setting is MPEG-like */
avpriv_set_pts_info(st, 33, 1, 90000);
}
st->index = s->nb_streams;
st->start_time = AV_NOPTS_VALUE;
st->duration = AV_NOPTS_VALUE;
/* we set the current DTS to 0 so that formats without any timestamps
* but durations get some timestamps, formats with some unknown
* timestamps have their first few packets buffered and the
* timestamps corrected before they are returned to the user */
st->cur_dts = 0;
st->first_dts = AV_NOPTS_VALUE;
st->probe_packets = MAX_PROBE_PACKETS;
st->last_IP_pts = AV_NOPTS_VALUE;
for (i = 0; i < MAX_REORDER_DELAY + 1; i++)
st->pts_buffer[i] = AV_NOPTS_VALUE;
st->sample_aspect_ratio = (AVRational) { 0, 1 };
st->info->fps_first_dts = AV_NOPTS_VALUE;
st->info->fps_last_dts = AV_NOPTS_VALUE;
s->streams[s->nb_streams++] = st;
return st;
}
| 18,538 |
FFmpeg | 7dc75e8d4375a36a6a19a050f2bee6bd76c7a912 | 0 | static int cdxa_probe(AVProbeData *p)
{
/* check file header */
if (p->buf[0] == 'R' && p->buf[1] == 'I' &&
p->buf[2] == 'F' && p->buf[3] == 'F' &&
p->buf[8] == 'C' && p->buf[9] == 'D' &&
p->buf[10] == 'X' && p->buf[11] == 'A')
return AVPROBE_SCORE_MAX;
else
return 0;
}
| 18,539 |
FFmpeg | 55f046be1193142536198957d1701d18881d3b7a | 0 | static int set_string_fmt(void *obj, const AVOption *o, const char *val, uint8_t *dst,
int fmt_nb, int ((*get_fmt)(const char *)), const char *desc)
{
int fmt;
if (!val || !strcmp(val, "none")) {
fmt = -1;
} else {
fmt = get_fmt(val);
if (fmt == -1) {
char *tail;
fmt = strtol(val, &tail, 0);
if (*tail || (unsigned)fmt >= fmt_nb) {
av_log(obj, AV_LOG_ERROR,
"Unable to parse option value \"%s\" as %s\n", val, desc);
return AVERROR(EINVAL);
}
}
}
*(int *)dst = fmt;
return 0;
}
| 18,540 |
FFmpeg | 5ed0d67da5b032f6e186b6513efeed181955b2ad | 0 | static int ratecontrol_1pass(SnowContext *s, AVFrame *pict)
{
/* estimate the frame's complexity as a sum of weighted dwt coefs.
* FIXME we know exact mv bits at this point,
* but ratecontrol isn't set up to include them. */
uint32_t coef_sum= 0;
int level, orientation, delta_qlog;
for(level=0; level<s->spatial_decomposition_count; level++){
for(orientation=level ? 1 : 0; orientation<4; orientation++){
SubBand *b= &s->plane[0].band[level][orientation];
DWTELEM *buf= b->buf;
const int w= b->width;
const int h= b->height;
const int stride= b->stride;
const int qlog= clip(2*QROOT + b->qlog, 0, QROOT*16);
const int qmul= qexp[qlog&(QROOT-1)]<<(qlog>>QSHIFT);
const int qdiv= (1<<16)/qmul;
int x, y;
if(orientation==0)
decorrelate(s, b, buf, stride, 1, 0);
for(y=0; y<h; y++)
for(x=0; x<w; x++)
coef_sum+= abs(buf[x+y*stride]) * qdiv >> 16;
if(orientation==0)
correlate(s, b, buf, stride, 1, 0);
}
}
/* ugly, ratecontrol just takes a sqrt again */
coef_sum = (uint64_t)coef_sum * coef_sum >> 16;
assert(coef_sum < INT_MAX);
if(pict->pict_type == I_TYPE){
s->m.current_picture.mb_var_sum= coef_sum;
s->m.current_picture.mc_mb_var_sum= 0;
}else{
s->m.current_picture.mc_mb_var_sum= coef_sum;
s->m.current_picture.mb_var_sum= 0;
}
pict->quality= ff_rate_estimate_qscale(&s->m, 1);
if (pict->quality < 0)
return -1;
s->lambda= pict->quality * 3/2;
delta_qlog= qscale2qlog(pict->quality) - s->qlog;
s->qlog+= delta_qlog;
return delta_qlog;
}
| 18,542 |
FFmpeg | b74b88f30da2389f333a31815d8326d5576d3331 | 0 | static void lsp2lpc(int16_t *lpc)
{
int f1[LPC_ORDER / 2 + 1];
int f2[LPC_ORDER / 2 + 1];
int i, j;
/* Calculate negative cosine */
for (j = 0; j < LPC_ORDER; j++) {
int index = lpc[j] >> 7;
int offset = lpc[j] & 0x7f;
int temp1 = cos_tab[index] << 16;
int temp2 = (cos_tab[index + 1] - cos_tab[index]) *
((offset << 8) + 0x80) << 1;
lpc[j] = -(av_sat_dadd32(1 << 15, temp1 + temp2) >> 16);
}
/*
* Compute sum and difference polynomial coefficients
* (bitexact alternative to lsp2poly() in lsp.c)
*/
/* Initialize with values in Q28 */
f1[0] = 1 << 28;
f1[1] = (lpc[0] << 14) + (lpc[2] << 14);
f1[2] = lpc[0] * lpc[2] + (2 << 28);
f2[0] = 1 << 28;
f2[1] = (lpc[1] << 14) + (lpc[3] << 14);
f2[2] = lpc[1] * lpc[3] + (2 << 28);
/*
* Calculate and scale the coefficients by 1/2 in
* each iteration for a final scaling factor of Q25
*/
for (i = 2; i < LPC_ORDER / 2; i++) {
f1[i + 1] = f1[i - 1] + MULL2(f1[i], lpc[2 * i]);
f2[i + 1] = f2[i - 1] + MULL2(f2[i], lpc[2 * i + 1]);
for (j = i; j >= 2; j--) {
f1[j] = MULL2(f1[j - 1], lpc[2 * i]) +
(f1[j] >> 1) + (f1[j - 2] >> 1);
f2[j] = MULL2(f2[j - 1], lpc[2 * i + 1]) +
(f2[j] >> 1) + (f2[j - 2] >> 1);
}
f1[0] >>= 1;
f2[0] >>= 1;
f1[1] = ((lpc[2 * i] << 16 >> i) + f1[1]) >> 1;
f2[1] = ((lpc[2 * i + 1] << 16 >> i) + f2[1]) >> 1;
}
/* Convert polynomial coefficients to LPC coefficients */
for (i = 0; i < LPC_ORDER / 2; i++) {
int64_t ff1 = f1[i + 1] + f1[i];
int64_t ff2 = f2[i + 1] - f2[i];
lpc[i] = av_clipl_int32(((ff1 + ff2) << 3) + (1 << 15)) >> 16;
lpc[LPC_ORDER - i - 1] = av_clipl_int32(((ff1 - ff2) << 3) +
(1 << 15)) >> 16;
}
}
| 18,544 |
FFmpeg | 486637af8ef29ec215e0e0b7ecd3b5470f0e04e5 | 0 | static inline void mix_3f_2r_to_dolby(AC3DecodeContext *ctx)
{
int i;
float (*output)[256] = ctx->audio_block.block_output;
for (i = 0; i < 256; i++) {
output[1][i] += (output[2][i] - output[4][i] - output[5][i]);
output[2][i] += (output[3][i] + output[4][i] + output[5][i]);
}
memset(output[3], 0, sizeof(output[3]));
memset(output[4], 0, sizeof(output[4]));
memset(output[5], 0, sizeof(output[5]));
}
| 18,546 |
FFmpeg | 6fa98822eba501a4898fdec5b75acd3026201005 | 0 | static int ffm_read_header(AVFormatContext *s)
{
FFMContext *ffm = s->priv_data;
AVStream *st;
AVIOContext *pb = s->pb;
AVCodecContext *codec;
int i, nb_streams;
uint32_t tag;
/* header */
tag = avio_rl32(pb);
if (tag == MKTAG('F', 'F', 'M', '2'))
return ffm2_read_header(s);
if (tag != MKTAG('F', 'F', 'M', '1'))
goto fail;
ffm->packet_size = avio_rb32(pb);
if (ffm->packet_size != FFM_PACKET_SIZE)
goto fail;
ffm->write_index = avio_rb64(pb);
/* get also filesize */
if (pb->seekable) {
ffm->file_size = avio_size(pb);
if (ffm->write_index && 0)
adjust_write_index(s);
} else {
ffm->file_size = (UINT64_C(1) << 63) - 1;
}
nb_streams = avio_rb32(pb);
avio_rb32(pb); /* total bitrate */
/* read each stream */
for(i=0;i<nb_streams;i++) {
char rc_eq_buf[128];
st = avformat_new_stream(s, NULL);
if (!st)
goto fail;
avpriv_set_pts_info(st, 64, 1, 1000000);
codec = st->codec;
/* generic info */
codec->codec_id = avio_rb32(pb);
codec->codec_type = avio_r8(pb); /* codec_type */
codec->bit_rate = avio_rb32(pb);
codec->flags = avio_rb32(pb);
codec->flags2 = avio_rb32(pb);
codec->debug = avio_rb32(pb);
/* specific info */
switch(codec->codec_type) {
case AVMEDIA_TYPE_VIDEO:
codec->time_base.num = avio_rb32(pb);
codec->time_base.den = avio_rb32(pb);
codec->width = avio_rb16(pb);
codec->height = avio_rb16(pb);
codec->gop_size = avio_rb16(pb);
codec->pix_fmt = avio_rb32(pb);
codec->qmin = avio_r8(pb);
codec->qmax = avio_r8(pb);
codec->max_qdiff = avio_r8(pb);
codec->qcompress = avio_rb16(pb) / 10000.0;
codec->qblur = avio_rb16(pb) / 10000.0;
codec->bit_rate_tolerance = avio_rb32(pb);
avio_get_str(pb, INT_MAX, rc_eq_buf, sizeof(rc_eq_buf));
codec->rc_eq = av_strdup(rc_eq_buf);
codec->rc_max_rate = avio_rb32(pb);
codec->rc_min_rate = avio_rb32(pb);
codec->rc_buffer_size = avio_rb32(pb);
codec->i_quant_factor = av_int2double(avio_rb64(pb));
codec->b_quant_factor = av_int2double(avio_rb64(pb));
codec->i_quant_offset = av_int2double(avio_rb64(pb));
codec->b_quant_offset = av_int2double(avio_rb64(pb));
codec->dct_algo = avio_rb32(pb);
codec->strict_std_compliance = avio_rb32(pb);
codec->max_b_frames = avio_rb32(pb);
codec->mpeg_quant = avio_rb32(pb);
codec->intra_dc_precision = avio_rb32(pb);
codec->me_method = avio_rb32(pb);
codec->mb_decision = avio_rb32(pb);
codec->nsse_weight = avio_rb32(pb);
codec->frame_skip_cmp = avio_rb32(pb);
codec->rc_buffer_aggressivity = av_int2double(avio_rb64(pb));
codec->codec_tag = avio_rb32(pb);
codec->thread_count = avio_r8(pb);
codec->coder_type = avio_rb32(pb);
codec->me_cmp = avio_rb32(pb);
codec->me_subpel_quality = avio_rb32(pb);
codec->me_range = avio_rb32(pb);
codec->keyint_min = avio_rb32(pb);
codec->scenechange_threshold = avio_rb32(pb);
codec->b_frame_strategy = avio_rb32(pb);
codec->qcompress = av_int2double(avio_rb64(pb));
codec->qblur = av_int2double(avio_rb64(pb));
codec->max_qdiff = avio_rb32(pb);
codec->refs = avio_rb32(pb);
break;
case AVMEDIA_TYPE_AUDIO:
codec->sample_rate = avio_rb32(pb);
codec->channels = avio_rl16(pb);
codec->frame_size = avio_rl16(pb);
break;
default:
goto fail;
}
if (codec->flags & CODEC_FLAG_GLOBAL_HEADER) {
if (ff_get_extradata(codec, pb, avio_rb32(pb)) < 0)
return AVERROR(ENOMEM);
}
}
/* get until end of block reached */
while ((avio_tell(pb) % ffm->packet_size) != 0)
avio_r8(pb);
/* init packet demux */
ffm->packet_ptr = ffm->packet;
ffm->packet_end = ffm->packet;
ffm->frame_offset = 0;
ffm->dts = 0;
ffm->read_state = READ_HEADER;
ffm->first_packet = 1;
return 0;
fail:
ffm_close(s);
return -1;
}
| 18,547 |
FFmpeg | cbf5374fc0f733cefe304fd4d11c7b0fa21fba61 | 0 | static int svq3_decode_mb (H264Context *h, unsigned int mb_type) {
int i, j, k, m, dir, mode;
int cbp = 0;
uint32_t vlc;
int8_t *top, *left;
MpegEncContext *const s = (MpegEncContext *) h;
const int mb_xy = s->mb_x + s->mb_y*s->mb_stride;
const int b_xy = 4*s->mb_x + 4*s->mb_y*h->b_stride;
h->top_samples_available = (s->mb_y == 0) ? 0x33FF : 0xFFFF;
h->left_samples_available = (s->mb_x == 0) ? 0x5F5F : 0xFFFF;
h->topright_samples_available = 0xFFFF;
if (mb_type == 0) { /* SKIP */
if (s->pict_type == P_TYPE || s->next_picture.mb_type[mb_xy] == -1) {
svq3_mc_dir_part (s, 16*s->mb_x, 16*s->mb_y, 16, 16, 0, 0, 0, 0, 0, 0);
if (s->pict_type == B_TYPE) {
svq3_mc_dir_part (s, 16*s->mb_x, 16*s->mb_y, 16, 16, 0, 0, 0, 0, 1, 1);
}
mb_type = MB_TYPE_SKIP;
} else {
mb_type= FFMIN(s->next_picture.mb_type[mb_xy], 0);
svq3_mc_dir (h, mb_type, PREDICT_MODE, 0, 0);
svq3_mc_dir (h, mb_type, PREDICT_MODE, 1, 1);
mb_type = MB_TYPE_16x16;
}
} else if (mb_type < 8) { /* INTER */
if (h->thirdpel_flag && h->halfpel_flag == !get_bits (&s->gb, 1)) {
mode = THIRDPEL_MODE;
} else if (h->halfpel_flag && h->thirdpel_flag == !get_bits (&s->gb, 1)) {
mode = HALFPEL_MODE;
} else {
mode = FULLPEL_MODE;
}
/* fill caches */
/* note ref_cache should contain here:
????????
???11111
N??11111
N??11111
N??11111
N
*/
for (m=0; m < 2; m++) {
if (s->mb_x > 0 && h->intra4x4_pred_mode[mb_xy - 1][0] != -1) {
for (i=0; i < 4; i++) {
*(uint32_t *) h->mv_cache[m][scan8[0] - 1 + i*8] = *(uint32_t *) s->current_picture.motion_val[m][b_xy - 1 + i*h->b_stride];
}
} else {
for (i=0; i < 4; i++) {
*(uint32_t *) h->mv_cache[m][scan8[0] - 1 + i*8] = 0;
}
}
if (s->mb_y > 0) {
memcpy (h->mv_cache[m][scan8[0] - 1*8], s->current_picture.motion_val[m][b_xy - h->b_stride], 4*2*sizeof(int16_t));
memset (&h->ref_cache[m][scan8[0] - 1*8], (h->intra4x4_pred_mode[mb_xy - s->mb_stride][4] == -1) ? PART_NOT_AVAILABLE : 1, 4);
if (s->mb_x < (s->mb_width - 1)) {
*(uint32_t *) h->mv_cache[m][scan8[0] + 4 - 1*8] = *(uint32_t *) s->current_picture.motion_val[m][b_xy - h->b_stride + 4];
h->ref_cache[m][scan8[0] + 4 - 1*8] =
(h->intra4x4_pred_mode[mb_xy - s->mb_stride + 1][0] == -1 ||
h->intra4x4_pred_mode[mb_xy - s->mb_stride][4] == -1) ? PART_NOT_AVAILABLE : 1;
}else
h->ref_cache[m][scan8[0] + 4 - 1*8] = PART_NOT_AVAILABLE;
if (s->mb_x > 0) {
*(uint32_t *) h->mv_cache[m][scan8[0] - 1 - 1*8] = *(uint32_t *) s->current_picture.motion_val[m][b_xy - h->b_stride - 1];
h->ref_cache[m][scan8[0] - 1 - 1*8] = (h->intra4x4_pred_mode[mb_xy - s->mb_stride - 1][3] == -1) ? PART_NOT_AVAILABLE : 1;
}else
h->ref_cache[m][scan8[0] - 1 - 1*8] = PART_NOT_AVAILABLE;
}else
memset (&h->ref_cache[m][scan8[0] - 1*8 - 1], PART_NOT_AVAILABLE, 8);
if (s->pict_type != B_TYPE)
break;
}
/* decode motion vector(s) and form prediction(s) */
if (s->pict_type == P_TYPE) {
svq3_mc_dir (h, (mb_type - 1), mode, 0, 0);
} else { /* B_TYPE */
if (mb_type != 2) {
svq3_mc_dir (h, 0, mode, 0, 0);
} else {
for (i=0; i < 4; i++) {
memset (s->current_picture.motion_val[0][b_xy + i*h->b_stride], 0, 4*2*sizeof(int16_t));
}
}
if (mb_type != 1) {
svq3_mc_dir (h, 0, mode, 1, (mb_type == 3));
} else {
for (i=0; i < 4; i++) {
memset (s->current_picture.motion_val[1][b_xy + i*h->b_stride], 0, 4*2*sizeof(int16_t));
}
}
}
mb_type = MB_TYPE_16x16;
} else if (mb_type == 8 || mb_type == 33) { /* INTRA4x4 */
memset (h->intra4x4_pred_mode_cache, -1, 8*5*sizeof(int8_t));
if (mb_type == 8) {
if (s->mb_x > 0) {
for (i=0; i < 4; i++) {
h->intra4x4_pred_mode_cache[scan8[0] - 1 + i*8] = h->intra4x4_pred_mode[mb_xy - 1][i];
}
if (h->intra4x4_pred_mode_cache[scan8[0] - 1] == -1) {
h->left_samples_available = 0x5F5F;
}
}
if (s->mb_y > 0) {
h->intra4x4_pred_mode_cache[4+8*0] = h->intra4x4_pred_mode[mb_xy - s->mb_stride][4];
h->intra4x4_pred_mode_cache[5+8*0] = h->intra4x4_pred_mode[mb_xy - s->mb_stride][5];
h->intra4x4_pred_mode_cache[6+8*0] = h->intra4x4_pred_mode[mb_xy - s->mb_stride][6];
h->intra4x4_pred_mode_cache[7+8*0] = h->intra4x4_pred_mode[mb_xy - s->mb_stride][3];
if (h->intra4x4_pred_mode_cache[4+8*0] == -1) {
h->top_samples_available = 0x33FF;
}
}
/* decode prediction codes for luma blocks */
for (i=0; i < 16; i+=2) {
vlc = svq3_get_ue_golomb (&s->gb);
if (vlc >= 25)
return -1;
left = &h->intra4x4_pred_mode_cache[scan8[i] - 1];
top = &h->intra4x4_pred_mode_cache[scan8[i] - 8];
left[1] = svq3_pred_1[top[0] + 1][left[0] + 1][svq3_pred_0[vlc][0]];
left[2] = svq3_pred_1[top[1] + 1][left[1] + 1][svq3_pred_0[vlc][1]];
if (left[1] == -1 || left[2] == -1)
return -1;
}
} else { /* mb_type == 33, DC_128_PRED block type */
for (i=0; i < 4; i++) {
memset (&h->intra4x4_pred_mode_cache[scan8[0] + 8*i], DC_PRED, 4);
}
}
write_back_intra_pred_mode (h);
if (mb_type == 8) {
check_intra4x4_pred_mode (h);
h->top_samples_available = (s->mb_y == 0) ? 0x33FF : 0xFFFF;
h->left_samples_available = (s->mb_x == 0) ? 0x5F5F : 0xFFFF;
} else {
for (i=0; i < 4; i++) {
memset (&h->intra4x4_pred_mode_cache[scan8[0] + 8*i], DC_128_PRED, 4);
}
h->top_samples_available = 0x33FF;
h->left_samples_available = 0x5F5F;
}
mb_type = MB_TYPE_INTRA4x4;
} else { /* INTRA16x16 */
dir = i_mb_type_info[mb_type - 8].pred_mode;
dir = (dir >> 1) ^ 3*(dir & 1) ^ 1;
if ((h->intra16x16_pred_mode = check_intra_pred_mode (h, dir)) == -1)
return -1;
cbp = i_mb_type_info[mb_type - 8].cbp;
mb_type = MB_TYPE_INTRA16x16;
}
if (!IS_INTER(mb_type) && s->pict_type != I_TYPE) {
for (i=0; i < 4; i++) {
memset (s->current_picture.motion_val[0][b_xy + i*h->b_stride], 0, 4*2*sizeof(int16_t));
}
if (s->pict_type == B_TYPE) {
for (i=0; i < 4; i++) {
memset (s->current_picture.motion_val[1][b_xy + i*h->b_stride], 0, 4*2*sizeof(int16_t));
}
}
}
if (!IS_INTRA4x4(mb_type)) {
memset (h->intra4x4_pred_mode[mb_xy], DC_PRED, 8);
}
if (!IS_SKIP(mb_type) || s->pict_type == B_TYPE) {
memset (h->non_zero_count_cache + 8, 0, 4*9*sizeof(uint8_t));
s->dsp.clear_blocks(h->mb);
}
if (!IS_INTRA16x16(mb_type) && (!IS_SKIP(mb_type) || s->pict_type == B_TYPE)) {
if ((vlc = svq3_get_ue_golomb (&s->gb)) >= 48)
return -1;
cbp = IS_INTRA(mb_type) ? golomb_to_intra4x4_cbp[vlc] : golomb_to_inter_cbp[vlc];
}
if (IS_INTRA16x16(mb_type) || (s->pict_type != I_TYPE && s->adaptive_quant && cbp)) {
s->qscale += svq3_get_se_golomb (&s->gb);
if (s->qscale > 31)
return -1;
}
if (IS_INTRA16x16(mb_type)) {
if (svq3_decode_block (&s->gb, h->mb, 0, 0))
return -1;
}
if (cbp) {
const int index = IS_INTRA16x16(mb_type) ? 1 : 0;
const int type = ((s->qscale < 24 && IS_INTRA4x4(mb_type)) ? 2 : 1);
for (i=0; i < 4; i++) {
if ((cbp & (1 << i))) {
for (j=0; j < 4; j++) {
k = index ? ((j&1) + 2*(i&1) + 2*(j&2) + 4*(i&2)) : (4*i + j);
h->non_zero_count_cache[ scan8[k] ] = 1;
if (svq3_decode_block (&s->gb, &h->mb[16*k], index, type))
return -1;
}
}
}
if ((cbp & 0x30)) {
for (i=0; i < 2; ++i) {
if (svq3_decode_block (&s->gb, &h->mb[16*(16 + 4*i)], 0, 3))
return -1;
}
if ((cbp & 0x20)) {
for (i=0; i < 8; i++) {
h->non_zero_count_cache[ scan8[16+i] ] = 1;
if (svq3_decode_block (&s->gb, &h->mb[16*(16 + i)], 1, 1))
return -1;
}
}
}
}
s->current_picture.mb_type[mb_xy] = mb_type;
if (IS_INTRA(mb_type)) {
h->chroma_pred_mode = check_intra_pred_mode (h, DC_PRED8x8);
}
return 0;
}
| 18,548 |
FFmpeg | c89658008705d949c319df3fa6f400c481ad73e1 | 0 | static void rtsp_send_cmd (AVFormatContext *s,
const char *cmd, RTSPMessageHeader *reply,
unsigned char **content_ptr)
{
rtsp_send_cmd_async(s, cmd, reply, content_ptr);
rtsp_read_reply(s, reply, content_ptr, 0);
}
| 18,549 |
FFmpeg | c77549c510370eaaa2e2bb1f15d1a30f29e30950 | 1 | static int rtsp_read_header(AVFormatContext *s,
AVFormatParameters *ap)
{
RTSPState *rt = s->priv_data;
int ret;
ret = ff_rtsp_connect(s);
if (ret)
return ret;
rt->real_setup_cache = av_mallocz(2 * s->nb_streams * sizeof(*rt->real_setup_cache));
if (!rt->real_setup_cache)
return AVERROR(ENOMEM);
rt->real_setup = rt->real_setup_cache + s->nb_streams * sizeof(*rt->real_setup);
if (ap->initial_pause) {
/* do not start immediately */
} else {
if (rtsp_read_play(s) < 0) {
ff_rtsp_close_streams(s);
ff_rtsp_close_connections(s);
return AVERROR_INVALIDDATA;
}
}
return 0;
}
| 18,550 |
qemu | 898248a32915024a4f01ce4f0c3519509fb703cb | 1 | static void xhci_event(XHCIState *xhci, XHCIEvent *event, int v)
{
XHCIInterrupter *intr;
dma_addr_t erdp;
unsigned int dp_idx;
if (v >= xhci->numintrs) {
DPRINTF("intr nr out of range (%d >= %d)\n", v, xhci->numintrs);
return;
}
intr = &xhci->intr[v];
if (intr->er_full) {
DPRINTF("xhci_event(): ER full, queueing\n");
if (((intr->ev_buffer_put+1) % EV_QUEUE) == intr->ev_buffer_get) {
DPRINTF("xhci: event queue full, dropping event!\n");
return;
}
intr->ev_buffer[intr->ev_buffer_put++] = *event;
if (intr->ev_buffer_put == EV_QUEUE) {
intr->ev_buffer_put = 0;
}
return;
}
erdp = xhci_addr64(intr->erdp_low, intr->erdp_high);
if (erdp < intr->er_start ||
erdp >= (intr->er_start + TRB_SIZE*intr->er_size)) {
DPRINTF("xhci: ERDP out of bounds: "DMA_ADDR_FMT"\n", erdp);
DPRINTF("xhci: ER[%d] at "DMA_ADDR_FMT" len %d\n",
v, intr->er_start, intr->er_size);
xhci_die(xhci);
return;
}
dp_idx = (erdp - intr->er_start) / TRB_SIZE;
assert(dp_idx < intr->er_size);
if ((intr->er_ep_idx+1) % intr->er_size == dp_idx) {
DPRINTF("xhci_event(): ER full, queueing\n");
#ifndef ER_FULL_HACK
XHCIEvent full = {ER_HOST_CONTROLLER, CC_EVENT_RING_FULL_ERROR};
xhci_write_event(xhci, &full);
#endif
intr->er_full = 1;
if (((intr->ev_buffer_put+1) % EV_QUEUE) == intr->ev_buffer_get) {
DPRINTF("xhci: event queue full, dropping event!\n");
return;
}
intr->ev_buffer[intr->ev_buffer_put++] = *event;
if (intr->ev_buffer_put == EV_QUEUE) {
intr->ev_buffer_put = 0;
}
} else {
xhci_write_event(xhci, event, v);
}
xhci_intr_raise(xhci, v);
}
| 18,551 |
qemu | 1ae3f2f178087711f9591350abad133525ba93f2 | 1 | static void ehci_advance_state(EHCIState *ehci, int async)
{
EHCIQueue *q = NULL;
int again;
do {
switch(ehci_get_state(ehci, async)) {
case EST_WAITLISTHEAD:
again = ehci_state_waitlisthead(ehci, async);
break;
case EST_FETCHENTRY:
again = ehci_state_fetchentry(ehci, async);
break;
case EST_FETCHQH:
q = ehci_state_fetchqh(ehci, async);
if (q != NULL) {
assert(q->async == async);
again = 1;
} else {
again = 0;
}
break;
case EST_FETCHITD:
again = ehci_state_fetchitd(ehci, async);
break;
case EST_FETCHSITD:
again = ehci_state_fetchsitd(ehci, async);
break;
case EST_ADVANCEQUEUE:
assert(q != NULL);
again = ehci_state_advqueue(q);
break;
case EST_FETCHQTD:
assert(q != NULL);
again = ehci_state_fetchqtd(q);
break;
case EST_HORIZONTALQH:
assert(q != NULL);
again = ehci_state_horizqh(q);
break;
case EST_EXECUTE:
assert(q != NULL);
again = ehci_state_execute(q);
if (async) {
ehci->async_stepdown = 0;
}
break;
case EST_EXECUTING:
assert(q != NULL);
if (async) {
ehci->async_stepdown = 0;
}
again = ehci_state_executing(q);
break;
case EST_WRITEBACK:
assert(q != NULL);
again = ehci_state_writeback(q);
if (!async) {
ehci->periodic_sched_active = PERIODIC_ACTIVE;
}
break;
default:
fprintf(stderr, "Bad state!\n");
again = -1;
g_assert_not_reached();
break;
}
if (again < 0) {
fprintf(stderr, "processing error - resetting ehci HC\n");
ehci_reset(ehci);
again = 0;
}
}
while (again);
}
| 18,552 |
FFmpeg | 894319e010c8db4d47ba0ad830f9677b72d5ece9 | 1 | int ff_lpc_calc_coefs(LPCContext *s,
const int32_t *samples, int blocksize, int min_order,
int max_order, int precision,
int32_t coefs[][MAX_LPC_ORDER], int *shift,
enum FFLPCType lpc_type, int lpc_passes,
int omethod, int max_shift, int zero_shift)
{
double autoc[MAX_LPC_ORDER+1];
double ref[MAX_LPC_ORDER];
double lpc[MAX_LPC_ORDER][MAX_LPC_ORDER];
int i, j, pass;
int opt_order;
av_assert2(max_order >= MIN_LPC_ORDER && max_order <= MAX_LPC_ORDER &&
lpc_type > FF_LPC_TYPE_FIXED);
/* reinit LPC context if parameters have changed */
if (blocksize != s->blocksize || max_order != s->max_order ||
lpc_type != s->lpc_type) {
ff_lpc_end(s);
ff_lpc_init(s, blocksize, max_order, lpc_type);
}
if (lpc_type == FF_LPC_TYPE_LEVINSON) {
double *windowed_samples = s->windowed_samples + max_order;
s->lpc_apply_welch_window(samples, blocksize, windowed_samples);
s->lpc_compute_autocorr(windowed_samples, blocksize, max_order, autoc);
compute_lpc_coefs(autoc, max_order, &lpc[0][0], MAX_LPC_ORDER, 0, 1);
for(i=0; i<max_order; i++)
ref[i] = fabs(lpc[i][i]);
} else if (lpc_type == FF_LPC_TYPE_CHOLESKY) {
LLSModel m[2];
double var[MAX_LPC_ORDER+1], av_uninit(weight);
for(pass=0; pass<lpc_passes; pass++){
av_init_lls(&m[pass&1], max_order);
weight=0;
for(i=max_order; i<blocksize; i++){
for(j=0; j<=max_order; j++)
var[j]= samples[i-j];
if(pass){
double eval, inv, rinv;
eval= av_evaluate_lls(&m[(pass-1)&1], var+1, max_order-1);
eval= (512>>pass) + fabs(eval - var[0]);
inv = 1/eval;
rinv = sqrt(inv);
for(j=0; j<=max_order; j++)
var[j] *= rinv;
weight += inv;
}else
weight++;
av_update_lls(&m[pass&1], var, 1.0);
}
av_solve_lls(&m[pass&1], 0.001, 0);
}
for(i=0; i<max_order; i++){
for(j=0; j<max_order; j++)
lpc[i][j]=-m[(pass-1)&1].coeff[i][j];
ref[i]= sqrt(m[(pass-1)&1].variance[i] / weight) * (blocksize - max_order) / 4000;
}
for(i=max_order-1; i>0; i--)
ref[i] = ref[i-1] - ref[i];
}
opt_order = max_order;
if(omethod == ORDER_METHOD_EST) {
opt_order = estimate_best_order(ref, min_order, max_order);
i = opt_order-1;
quantize_lpc_coefs(lpc[i], i+1, precision, coefs[i], &shift[i], max_shift, zero_shift);
} else {
for(i=min_order-1; i<max_order; i++) {
quantize_lpc_coefs(lpc[i], i+1, precision, coefs[i], &shift[i], max_shift, zero_shift);
}
}
return opt_order;
} | 18,553 |
qemu | 0f853a386739b22e541e6e65ed60a0cb37713340 | 1 | void do_device_add(Monitor *mon, const QDict *qdict)
{
QemuOpts *opts;
opts = qemu_opts_parse(&qemu_device_opts,
qdict_get_str(qdict, "config"), "driver");
if (opts && !qdev_device_help(opts))
qdev_device_add(opts);
}
| 18,554 |
qemu | 0bc60bd7b34ad6e59b47dbf91179ba9427a85df7 | 1 | static void update_irq(struct xlx_pic *p)
{
uint32_t i;
/* level triggered interrupt */
if (p->regs[R_MER] & 2) {
p->regs[R_ISR] |= p->irq_pin_state & ~p->c_kind_of_intr;
}
/* Update the pending register. */
p->regs[R_IPR] = p->regs[R_ISR] & p->regs[R_IER];
/* Update the vector register. */
for (i = 0; i < 32; i++) {
if (p->regs[R_IPR] & (1 << i))
break;
}
if (i == 32)
i = ~0;
p->regs[R_IVR] = i;
qemu_set_irq(p->parent_irq, (p->regs[R_MER] & 1) && p->regs[R_IPR]);
}
| 18,555 |
qemu | a496e8eeba51351af136734e475c947a3673dded | 1 | static void init_proc_e500 (CPUPPCState *env, int version)
{
uint32_t tlbncfg[2];
uint64_t ivor_mask = 0x0000000F0000FFFFULL;
#if !defined(CONFIG_USER_ONLY)
int i;
#endif
/* Time base */
gen_tbl(env);
/*
* XXX The e500 doesn't implement IVOR7 and IVOR9, but doesn't
* complain when accessing them.
* gen_spr_BookE(env, 0x0000000F0000FD7FULL);
*/
if (version == fsl_e500mc) {
ivor_mask = 0x000003FE0000FFFFULL;
}
gen_spr_BookE(env, ivor_mask);
/* Processor identification */
spr_register(env, SPR_BOOKE_PIR, "PIR",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_pir,
0x00000000);
/* XXX : not implemented */
spr_register(env, SPR_BOOKE_SPEFSCR, "SPEFSCR",
&spr_read_spefscr, &spr_write_spefscr,
&spr_read_spefscr, &spr_write_spefscr,
0x00000000);
/* Memory management */
#if !defined(CONFIG_USER_ONLY)
env->nb_pids = 3;
env->nb_ways = 2;
env->id_tlbs = 0;
switch (version) {
case fsl_e500v1:
/* e500v1 */
tlbncfg[0] = gen_tlbncfg(2, 1, 1, 0, 256);
tlbncfg[1] = gen_tlbncfg(16, 1, 9, TLBnCFG_AVAIL | TLBnCFG_IPROT, 16);
env->dcache_line_size = 32;
env->icache_line_size = 32;
break;
case fsl_e500v2:
/* e500v2 */
tlbncfg[0] = gen_tlbncfg(4, 1, 1, 0, 512);
tlbncfg[1] = gen_tlbncfg(16, 1, 12, TLBnCFG_AVAIL | TLBnCFG_IPROT, 16);
env->dcache_line_size = 32;
env->icache_line_size = 32;
break;
case fsl_e500mc:
/* e500mc */
tlbncfg[0] = gen_tlbncfg(4, 1, 1, 0, 512);
tlbncfg[1] = gen_tlbncfg(64, 1, 12, TLBnCFG_AVAIL | TLBnCFG_IPROT, 64);
env->dcache_line_size = 64;
env->icache_line_size = 64;
break;
default:
cpu_abort(env, "Unknown CPU: " TARGET_FMT_lx "\n", env->spr[SPR_PVR]);
}
#endif
gen_spr_BookE206(env, 0x000000DF, tlbncfg);
/* XXX : not implemented */
spr_register(env, SPR_HID0, "HID0",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
/* XXX : not implemented */
spr_register(env, SPR_HID1, "HID1",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
/* XXX : not implemented */
spr_register(env, SPR_Exxx_BBEAR, "BBEAR",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
/* XXX : not implemented */
spr_register(env, SPR_Exxx_BBTAR, "BBTAR",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
/* XXX : not implemented */
spr_register(env, SPR_Exxx_MCAR, "MCAR",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
/* XXX : not implemented */
spr_register(env, SPR_BOOKE_MCSR, "MCSR",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
/* XXX : not implemented */
spr_register(env, SPR_Exxx_NPIDR, "NPIDR",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
/* XXX : not implemented */
spr_register(env, SPR_Exxx_BUCSR, "BUCSR",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
/* XXX : not implemented */
spr_register(env, SPR_Exxx_L1CFG0, "L1CFG0",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
/* XXX : not implemented */
spr_register(env, SPR_Exxx_L1CSR0, "L1CSR0",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_e500_l1csr0,
0x00000000);
/* XXX : not implemented */
spr_register(env, SPR_Exxx_L1CSR1, "L1CSR1",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
spr_register(env, SPR_BOOKE_MCSRR0, "MCSRR0",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
spr_register(env, SPR_BOOKE_MCSRR1, "MCSRR1",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
spr_register(env, SPR_MMUCSR0, "MMUCSR0",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_booke206_mmucsr0,
0x00000000);
#if !defined(CONFIG_USER_ONLY)
env->nb_tlb = 0;
env->tlb_type = TLB_MAS;
for (i = 0; i < BOOKE206_MAX_TLBN; i++) {
env->nb_tlb += booke206_tlb_size(env, i);
}
#endif
init_excp_e200(env);
/* Allocate hardware IRQ controller */
ppce500_irq_init(env);
}
| 18,558 |
qemu | ab9509cceabef28071e41bdfa073083859c949a7 | 1 | static void interface_get_init_info(QXLInstance *sin, QXLDevInitInfo *info)
{
SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl);
info->memslot_gen_bits = MEMSLOT_GENERATION_BITS;
info->memslot_id_bits = MEMSLOT_SLOT_BITS;
info->num_memslots = NUM_MEMSLOTS;
info->num_memslots_groups = NUM_MEMSLOTS_GROUPS;
info->internal_groupslot_id = 0;
info->qxl_ram_size = ssd->bufsize;
info->n_surfaces = ssd->num_surfaces;
}
| 18,563 |
FFmpeg | b61ba262a1e275f8129b7383d70fe48051b47fcf | 1 | static void mpc8_parse_seektable(AVFormatContext *s, int64_t off)
{
MPCContext *c = s->priv_data;
int tag;
int64_t size, pos, ppos[2];
uint8_t *buf;
int i, t, seekd;
GetBitContext gb;
avio_seek(s->pb, off, SEEK_SET);
mpc8_get_chunk_header(s->pb, &tag, &size);
if(tag != TAG_SEEKTABLE){
av_log(s, AV_LOG_ERROR, "No seek table at given position\n");
if(!(buf = av_malloc(size + FF_INPUT_BUFFER_PADDING_SIZE)))
avio_read(s->pb, buf, size);
init_get_bits(&gb, buf, size * 8);
size = gb_get_v(&gb);
if(size > UINT_MAX/4 || size > c->samples/1152){
av_log(s, AV_LOG_ERROR, "Seek table is too big\n");
seekd = get_bits(&gb, 4);
for(i = 0; i < 2; i++){
pos = gb_get_v(&gb) + c->header_pos;
ppos[1 - i] = pos;
av_add_index_entry(s->streams[0], pos, i, 0, 0, AVINDEX_KEYFRAME);
for(; i < size; i++){
t = get_unary(&gb, 1, 33) << 12;
t += get_bits(&gb, 12);
if(t & 1)
t = -(t & ~1);
pos = (t >> 1) + ppos[0]*2 - ppos[1];
av_add_index_entry(s->streams[0], pos, i << seekd, 0, 0, AVINDEX_KEYFRAME);
ppos[1] = ppos[0];
ppos[0] = pos;
av_free(buf);
| 18,564 |
qemu | 5c6c0e513600ba57c3e73b7151d3c0664438f7b5 | 1 | static void esp_do_dma(ESPState *s)
{
uint32_t len;
int to_device;
to_device = (s->ti_size < 0);
len = s->dma_left;
if (s->do_cmd) {
DPRINTF("command len %d + %d\n", s->cmdlen, len);
s->dma_memory_read(s->dma_opaque, &s->cmdbuf[s->cmdlen], len);
s->ti_size = 0;
s->cmdlen = 0;
s->do_cmd = 0;
do_cmd(s, s->cmdbuf);
return;
}
if (s->async_len == 0) {
/* Defer until data is available. */
return;
}
if (len > s->async_len) {
len = s->async_len;
}
if (to_device) {
s->dma_memory_read(s->dma_opaque, s->async_buf, len);
} else {
s->dma_memory_write(s->dma_opaque, s->async_buf, len);
}
s->dma_left -= len;
s->async_buf += len;
s->async_len -= len;
if (to_device)
s->ti_size += len;
else
s->ti_size -= len;
if (s->async_len == 0) {
if (to_device) {
// ti_size is negative
s->current_dev->info->write_data(s->current_dev, 0);
} else {
s->current_dev->info->read_data(s->current_dev, 0);
/* If there is still data to be read from the device then
complete the DMA operation immediately. Otherwise defer
until the scsi layer has completed. */
if (s->dma_left == 0 && s->ti_size > 0) {
esp_dma_done(s);
}
}
} else {
/* Partially filled a scsi buffer. Complete immediately. */
esp_dma_done(s);
}
}
| 18,565 |
qemu | 58ac321135af890b503ebe56d0d00e184779918f | 1 | void ide_sector_write(IDEState *s)
{
int64_t sector_num;
int n;
s->status = READY_STAT | SEEK_STAT | BUSY_STAT;
sector_num = ide_get_sector(s);
#if defined(DEBUG_IDE)
printf("sector=%" PRId64 "\n", sector_num);
#endif
n = s->nsector;
if (n > s->req_nb_sectors) {
n = s->req_nb_sectors;
s->iov.iov_base = s->io_buffer;
s->iov.iov_len = n * BDRV_SECTOR_SIZE;
qemu_iovec_init_external(&s->qiov, &s->iov, 1);
bdrv_acct_start(s->bs, &s->acct, n * BDRV_SECTOR_SIZE, BDRV_ACCT_READ);
s->pio_aiocb = bdrv_aio_writev(s->bs, sector_num, &s->qiov, n,
ide_sector_write_cb, s); | 18,566 |
qemu | 4482e05cbbb7e50e476f6a9500cf0b38913bd939 | 1 | static void openrisc_sim_init(MachineState *machine)
{
ram_addr_t ram_size = machine->ram_size;
const char *cpu_model = machine->cpu_model;
const char *kernel_filename = machine->kernel_filename;
OpenRISCCPU *cpu = NULL;
MemoryRegion *ram;
int n;
if (!cpu_model) {
cpu_model = "or1200";
}
for (n = 0; n < smp_cpus; n++) {
cpu = OPENRISC_CPU(cpu_generic_init(TYPE_OPENRISC_CPU, cpu_model));
if (cpu == NULL) {
fprintf(stderr, "Unable to find CPU definition!\n");
exit(1);
}
qemu_register_reset(main_cpu_reset, cpu);
main_cpu_reset(cpu);
}
ram = g_malloc(sizeof(*ram));
memory_region_init_ram(ram, NULL, "openrisc.ram", ram_size, &error_fatal);
memory_region_add_subregion(get_system_memory(), 0, ram);
cpu_openrisc_pic_init(cpu);
cpu_openrisc_clock_init(cpu);
serial_mm_init(get_system_memory(), 0x90000000, 0, cpu->env.irq[2],
115200, serial_hds[0], DEVICE_NATIVE_ENDIAN);
if (nd_table[0].used) {
openrisc_sim_net_init(get_system_memory(), 0x92000000,
0x92000400, cpu->env.irq[4], nd_table);
}
cpu_openrisc_load_kernel(ram_size, kernel_filename, cpu);
}
| 18,567 |
FFmpeg | 6163d880c0ac8b84b45d1f7a94719c5a0a6b5cb9 | 0 | static int decode_block_coeffs_internal(VP56RangeCoder *c, DCTELEM block[16],
uint8_t probs[16][3][NUM_DCT_TOKENS-1],
int i, uint8_t *token_prob, int16_t qmul[2])
{
goto skip_eob;
do {
int coeff;
if (!vp56_rac_get_prob_branchy(c, token_prob[0])) // DCT_EOB
return i;
skip_eob:
if (!vp56_rac_get_prob_branchy(c, token_prob[1])) { // DCT_0
if (++i == 16)
return i; // invalid input; blocks should end with EOB
token_prob = probs[i][0];
goto skip_eob;
}
if (!vp56_rac_get_prob_branchy(c, token_prob[2])) { // DCT_1
coeff = 1;
token_prob = probs[i+1][1];
} else {
if (!vp56_rac_get_prob_branchy(c, token_prob[3])) { // DCT 2,3,4
coeff = vp56_rac_get_prob_branchy(c, token_prob[4]);
if (coeff)
coeff += vp56_rac_get_prob(c, token_prob[5]);
coeff += 2;
} else {
// DCT_CAT*
if (!vp56_rac_get_prob_branchy(c, token_prob[6])) {
if (!vp56_rac_get_prob_branchy(c, token_prob[7])) { // DCT_CAT1
coeff = 5 + vp56_rac_get_prob(c, vp8_dct_cat1_prob[0]);
} else { // DCT_CAT2
coeff = 7;
coeff += vp56_rac_get_prob(c, vp8_dct_cat2_prob[0]) << 1;
coeff += vp56_rac_get_prob(c, vp8_dct_cat2_prob[1]);
}
} else { // DCT_CAT3 and up
int a = vp56_rac_get_prob(c, token_prob[8]);
int b = vp56_rac_get_prob(c, token_prob[9+a]);
int cat = (a<<1) + b;
coeff = 3 + (8<<cat);
coeff += vp8_rac_get_coeff(c, ff_vp8_dct_cat_prob[cat]);
}
}
token_prob = probs[i+1][2];
}
block[zigzag_scan[i]] = (vp8_rac_get(c) ? -coeff : coeff) * qmul[!!i];
} while (++i < 16);
return i;
}
| 18,568 |
FFmpeg | 1e0e193240a8e47a980ac76b8b5af831b17b7928 | 0 | yuv2mono_X_c_template(SwsContext *c, const int16_t *lumFilter,
const int16_t **lumSrc, int lumFilterSize,
const int16_t *chrFilter, const int16_t **chrUSrc,
const int16_t **chrVSrc, int chrFilterSize,
const int16_t **alpSrc, uint8_t *dest, int dstW,
int y, enum AVPixelFormat target)
{
const uint8_t * const d128=dither_8x8_220[y&7];
int i;
unsigned acc = 0;
int err = 0;
for (i = 0; i < dstW; i += 2) {
int j;
int Y1 = 1 << 18;
int Y2 = 1 << 18;
for (j = 0; j < lumFilterSize; j++) {
Y1 += lumSrc[j][i] * lumFilter[j];
Y2 += lumSrc[j][i+1] * lumFilter[j];
}
Y1 >>= 19;
Y2 >>= 19;
if ((Y1 | Y2) & 0x100) {
Y1 = av_clip_uint8(Y1);
Y2 = av_clip_uint8(Y2);
}
if (c->flags & SWS_ERROR_DIFFUSION) {
Y1 += (7*err + 1*c->dither_error[0][i] + 5*c->dither_error[0][i+1] + 3*c->dither_error[0][i+2] + 8 - 256)>>4;
c->dither_error[0][i] = err;
acc = 2*acc + (Y1 >= 128);
Y1 -= 220*(acc&1);
err = Y2 + ((7*Y1 + 1*c->dither_error[0][i+1] + 5*c->dither_error[0][i+2] + 3*c->dither_error[0][i+3] + 8 - 256)>>4);
c->dither_error[0][i+1] = Y1;
acc = 2*acc + (err >= 128);
err -= 220*(acc&1);
} else {
accumulate_bit(acc, Y1 + d128[(i + 0) & 7]);
accumulate_bit(acc, Y2 + d128[(i + 1) & 7]);
}
if ((i & 7) == 6) {
output_pixel(*dest++, acc);
}
}
c->dither_error[0][i] = err;
if (i & 6) {
output_pixel(*dest, acc);
}
}
| 18,569 |
FFmpeg | 90901860c21468d6e9ae437c2bacb099c7bd3acf | 0 | int ff_rate_control_init(MpegEncContext *s)
{
RateControlContext *rcc= &s->rc_context;
int i;
char *error = NULL;
static const char *const_names[]={
"PI",
"E",
"iTex",
"pTex",
"tex",
"mv",
"fCode",
"iCount",
"mcVar",
"var",
"isI",
"isP",
"isB",
"avgQP",
"qComp",
/* "lastIQP",
"lastPQP",
"lastBQP",
"nextNonBQP",*/
"avgIITex",
"avgPITex",
"avgPPTex",
"avgBPTex",
"avgTex",
NULL
};
static double (*func1[])(void *, double)={
(void *)bits2qp,
(void *)qp2bits,
NULL
};
static const char *func1_names[]={
"bits2qp",
"qp2bits",
NULL
};
emms_c();
rcc->rc_eq_eval = ff_parse(s->avctx->rc_eq, const_names, func1, func1_names, NULL, NULL, &error);
if (!rcc->rc_eq_eval) {
av_log(s->avctx, AV_LOG_ERROR, "Error parsing rc_eq \"%s\": %s\n", s->avctx->rc_eq, error? error : "");
return -1;
}
for(i=0; i<5; i++){
rcc->pred[i].coeff= FF_QP2LAMBDA * 7.0;
rcc->pred[i].count= 1.0;
rcc->pred[i].decay= 0.4;
rcc->i_cplx_sum [i]=
rcc->p_cplx_sum [i]=
rcc->mv_bits_sum[i]=
rcc->qscale_sum [i]=
rcc->frame_count[i]= 1; // 1 is better cuz of 1/0 and such
rcc->last_qscale_for[i]=FF_QP2LAMBDA * 5;
}
rcc->buffer_index= s->avctx->rc_initial_buffer_occupancy;
if(s->flags&CODEC_FLAG_PASS2){
int i;
char *p;
/* find number of pics */
p= s->avctx->stats_in;
for(i=-1; p; i++){
p= strchr(p+1, ';');
}
i+= s->max_b_frames;
if(i<=0 || i>=INT_MAX / sizeof(RateControlEntry))
return -1;
rcc->entry = (RateControlEntry*)av_mallocz(i*sizeof(RateControlEntry));
rcc->num_entries= i;
/* init all to skipped p frames (with b frames we might have a not encoded frame at the end FIXME) */
for(i=0; i<rcc->num_entries; i++){
RateControlEntry *rce= &rcc->entry[i];
rce->pict_type= rce->new_pict_type=P_TYPE;
rce->qscale= rce->new_qscale=FF_QP2LAMBDA * 2;
rce->misc_bits= s->mb_num + 10;
rce->mb_var_sum= s->mb_num*100;
}
/* read stats */
p= s->avctx->stats_in;
for(i=0; i<rcc->num_entries - s->max_b_frames; i++){
RateControlEntry *rce;
int picture_number;
int e;
char *next;
next= strchr(p, ';');
if(next){
(*next)=0; //sscanf in unbelievably slow on looong strings //FIXME copy / do not write
next++;
}
e= sscanf(p, " in:%d ", &picture_number);
assert(picture_number >= 0);
assert(picture_number < rcc->num_entries);
rce= &rcc->entry[picture_number];
e+=sscanf(p, " in:%*d out:%*d type:%d q:%f itex:%d ptex:%d mv:%d misc:%d fcode:%d bcode:%d mc-var:%d var:%d icount:%d skipcount:%d hbits:%d",
&rce->pict_type, &rce->qscale, &rce->i_tex_bits, &rce->p_tex_bits, &rce->mv_bits, &rce->misc_bits,
&rce->f_code, &rce->b_code, &rce->mc_mb_var_sum, &rce->mb_var_sum, &rce->i_count, &rce->skip_count, &rce->header_bits);
if(e!=14){
av_log(s->avctx, AV_LOG_ERROR, "statistics are damaged at line %d, parser out=%d\n", i, e);
return -1;
}
p= next;
}
if(init_pass2(s) < 0) return -1;
//FIXME maybe move to end
if((s->flags&CODEC_FLAG_PASS2) && s->avctx->rc_strategy == FF_RC_STRATEGY_XVID) {
#ifdef CONFIG_LIBXVID
return ff_xvid_rate_control_init(s);
#else
av_log(s->avctx, AV_LOG_ERROR, "XviD ratecontrol requires libavcodec compiled with XviD support\n");
return -1;
#endif
}
}
if(!(s->flags&CODEC_FLAG_PASS2)){
rcc->short_term_qsum=0.001;
rcc->short_term_qcount=0.001;
rcc->pass1_rc_eq_output_sum= 0.001;
rcc->pass1_wanted_bits=0.001;
if(s->avctx->qblur > 1.0){
av_log(s->avctx, AV_LOG_ERROR, "qblur too large\n");
return -1;
}
/* init stuff with the user specified complexity */
if(s->avctx->rc_initial_cplx){
for(i=0; i<60*30; i++){
double bits= s->avctx->rc_initial_cplx * (i/10000.0 + 1.0)*s->mb_num;
RateControlEntry rce;
double q;
if (i%((s->gop_size+3)/4)==0) rce.pict_type= I_TYPE;
else if(i%(s->max_b_frames+1)) rce.pict_type= B_TYPE;
else rce.pict_type= P_TYPE;
rce.new_pict_type= rce.pict_type;
rce.mc_mb_var_sum= bits*s->mb_num/100000;
rce.mb_var_sum = s->mb_num;
rce.qscale = FF_QP2LAMBDA * 2;
rce.f_code = 2;
rce.b_code = 1;
rce.misc_bits= 1;
if(s->pict_type== I_TYPE){
rce.i_count = s->mb_num;
rce.i_tex_bits= bits;
rce.p_tex_bits= 0;
rce.mv_bits= 0;
}else{
rce.i_count = 0; //FIXME we do know this approx
rce.i_tex_bits= 0;
rce.p_tex_bits= bits*0.9;
rce.mv_bits= bits*0.1;
}
rcc->i_cplx_sum [rce.pict_type] += rce.i_tex_bits*rce.qscale;
rcc->p_cplx_sum [rce.pict_type] += rce.p_tex_bits*rce.qscale;
rcc->mv_bits_sum[rce.pict_type] += rce.mv_bits;
rcc->frame_count[rce.pict_type] ++;
bits= rce.i_tex_bits + rce.p_tex_bits;
q= get_qscale(s, &rce, rcc->pass1_wanted_bits/rcc->pass1_rc_eq_output_sum, i);
rcc->pass1_wanted_bits+= s->bit_rate/(1/av_q2d(s->avctx->time_base)); //FIXME misbehaves a little for variable fps
}
}
}
return 0;
}
| 18,570 |
qemu | 84b5d556dc29c06402783e98ee0eaa3369eb48e1 | 1 | bool sysbus_has_irq(SysBusDevice *dev, int n)
{
char *prop = g_strdup_printf("%s[%d]", SYSBUS_DEVICE_GPIO_IRQ, n);
ObjectProperty *r;
r = object_property_find(OBJECT(dev), prop, NULL);
return (r != NULL);
} | 18,572 |
qemu | d470ad42acfc73c45d3e8ed5311a491160b4c100 | 1 | static int coroutine_fn bdrv_co_block_status(BlockDriverState *bs,
bool want_zero,
int64_t offset, int64_t bytes,
int64_t *pnum, int64_t *map,
BlockDriverState **file)
{
int64_t total_size;
int64_t n; /* bytes */
int ret;
int64_t local_map = 0;
BlockDriverState *local_file = NULL;
int64_t aligned_offset, aligned_bytes;
uint32_t align;
assert(pnum);
*pnum = 0;
total_size = bdrv_getlength(bs);
if (total_size < 0) {
ret = total_size;
goto early_out;
}
if (offset >= total_size) {
ret = BDRV_BLOCK_EOF;
goto early_out;
}
if (!bytes) {
ret = 0;
goto early_out;
}
n = total_size - offset;
if (n < bytes) {
bytes = n;
}
if (!bs->drv->bdrv_co_get_block_status) {
*pnum = bytes;
ret = BDRV_BLOCK_DATA | BDRV_BLOCK_ALLOCATED;
if (offset + bytes == total_size) {
ret |= BDRV_BLOCK_EOF;
}
if (bs->drv->protocol_name) {
ret |= BDRV_BLOCK_OFFSET_VALID;
local_map = offset;
local_file = bs;
}
goto early_out;
}
bdrv_inc_in_flight(bs);
/* Round out to request_alignment boundaries */
/* TODO: until we have a byte-based driver callback, we also have to
* round out to sectors, even if that is bigger than request_alignment */
align = MAX(bs->bl.request_alignment, BDRV_SECTOR_SIZE);
aligned_offset = QEMU_ALIGN_DOWN(offset, align);
aligned_bytes = ROUND_UP(offset + bytes, align) - aligned_offset;
{
int count; /* sectors */
int64_t longret;
assert(QEMU_IS_ALIGNED(aligned_offset | aligned_bytes,
BDRV_SECTOR_SIZE));
/*
* The contract allows us to return pnum smaller than bytes, even
* if the next query would see the same status; we truncate the
* request to avoid overflowing the driver's 32-bit interface.
*/
longret = bs->drv->bdrv_co_get_block_status(
bs, aligned_offset >> BDRV_SECTOR_BITS,
MIN(INT_MAX, aligned_bytes) >> BDRV_SECTOR_BITS, &count,
&local_file);
if (longret < 0) {
assert(INT_MIN <= longret);
ret = longret;
goto out;
}
if (longret & BDRV_BLOCK_OFFSET_VALID) {
local_map = longret & BDRV_BLOCK_OFFSET_MASK;
}
ret = longret & ~BDRV_BLOCK_OFFSET_MASK;
*pnum = count * BDRV_SECTOR_SIZE;
}
/*
* The driver's result must be a multiple of request_alignment.
* Clamp pnum and adjust map to original request.
*/
assert(QEMU_IS_ALIGNED(*pnum, align) && align > offset - aligned_offset);
*pnum -= offset - aligned_offset;
if (*pnum > bytes) {
*pnum = bytes;
}
if (ret & BDRV_BLOCK_OFFSET_VALID) {
local_map += offset - aligned_offset;
}
if (ret & BDRV_BLOCK_RAW) {
assert(ret & BDRV_BLOCK_OFFSET_VALID && local_file);
ret = bdrv_co_block_status(local_file, want_zero, local_map,
*pnum, pnum, &local_map, &local_file);
goto out;
}
if (ret & (BDRV_BLOCK_DATA | BDRV_BLOCK_ZERO)) {
ret |= BDRV_BLOCK_ALLOCATED;
} else if (want_zero) {
if (bdrv_unallocated_blocks_are_zero(bs)) {
ret |= BDRV_BLOCK_ZERO;
} else if (bs->backing) {
BlockDriverState *bs2 = bs->backing->bs;
int64_t size2 = bdrv_getlength(bs2);
if (size2 >= 0 && offset >= size2) {
ret |= BDRV_BLOCK_ZERO;
}
}
}
if (want_zero && local_file && local_file != bs &&
(ret & BDRV_BLOCK_DATA) && !(ret & BDRV_BLOCK_ZERO) &&
(ret & BDRV_BLOCK_OFFSET_VALID)) {
int64_t file_pnum;
int ret2;
ret2 = bdrv_co_block_status(local_file, want_zero, local_map,
*pnum, &file_pnum, NULL, NULL);
if (ret2 >= 0) {
/* Ignore errors. This is just providing extra information, it
* is useful but not necessary.
*/
if (ret2 & BDRV_BLOCK_EOF &&
(!file_pnum || ret2 & BDRV_BLOCK_ZERO)) {
/*
* It is valid for the format block driver to read
* beyond the end of the underlying file's current
* size; such areas read as zero.
*/
ret |= BDRV_BLOCK_ZERO;
} else {
/* Limit request to the range reported by the protocol driver */
*pnum = file_pnum;
ret |= (ret2 & BDRV_BLOCK_ZERO);
}
}
}
out:
bdrv_dec_in_flight(bs);
if (ret >= 0 && offset + *pnum == total_size) {
ret |= BDRV_BLOCK_EOF;
}
early_out:
if (file) {
*file = local_file;
}
if (map) {
*map = local_map;
}
return ret;
} | 18,573 |
qemu | aec4b054ea36c53c8b887da99f20010133b84378 | 1 | static void simple_string(void)
{
int i;
struct {
const char *encoded;
const char *decoded;
} test_cases[] = {
{ "\"hello world\"", "hello world" },
{ "\"the quick brown fox jumped over the fence\"",
"the quick brown fox jumped over the fence" },
{}
};
for (i = 0; test_cases[i].encoded; i++) {
QObject *obj;
QString *str;
obj = qobject_from_json(test_cases[i].encoded, NULL);
str = qobject_to_qstring(obj);
g_assert(str);
g_assert(strcmp(qstring_get_str(str), test_cases[i].decoded) == 0);
str = qobject_to_json(obj);
g_assert(strcmp(qstring_get_str(str), test_cases[i].encoded) == 0);
qobject_decref(obj);
QDECREF(str);
}
}
| 18,574 |
qemu | c5a49c63fa26e8825ad101dfe86339ae4c216539 | 1 | static void spr_write_tbu(DisasContext *ctx, int sprn, int gprn)
{
if (ctx->tb->cflags & CF_USE_ICOUNT) {
gen_io_start();
}
gen_helper_store_tbu(cpu_env, cpu_gpr[gprn]);
if (ctx->tb->cflags & CF_USE_ICOUNT) {
gen_io_end();
gen_stop_exception(ctx);
}
}
| 18,575 |
FFmpeg | 903be5e4f66268273dc6e3c42a7fdeaab32066ef | 1 | static int decode_block(AVCodecContext *avctx, void *tdata,
int jobnr, int threadnr)
{
EXRContext *s = avctx->priv_data;
AVFrame *const p = s->picture;
EXRThreadData *td = &s->thread_data[threadnr];
const uint8_t *channel_buffer[4] = { 0 };
const uint8_t *buf = s->buf;
uint64_t line_offset, uncompressed_size;
uint16_t *ptr_x;
uint8_t *ptr;
uint32_t data_size;
uint64_t line, col = 0;
uint64_t tile_x, tile_y, tile_level_x, tile_level_y;
const uint8_t *src;
int axmax = (avctx->width - (s->xmax + 1)) * 2 * s->desc->nb_components; /* nb pixel to add at the right of the datawindow */
int bxmin = s->xmin * 2 * s->desc->nb_components; /* nb pixel to add at the left of the datawindow */
int i, x, buf_size = s->buf_size;
int c, rgb_channel_count;
float one_gamma = 1.0f / s->gamma;
avpriv_trc_function trc_func = avpriv_get_trc_function_from_trc(s->apply_trc_type);
int ret;
line_offset = AV_RL64(s->gb.buffer + jobnr * 8);
if (s->is_tile) {
if (line_offset > buf_size - 20)
return AVERROR_INVALIDDATA;
src = buf + line_offset + 20;
tile_x = AV_RL32(src - 20);
tile_y = AV_RL32(src - 16);
tile_level_x = AV_RL32(src - 12);
tile_level_y = AV_RL32(src - 8);
data_size = AV_RL32(src - 4);
if (data_size <= 0 || data_size > buf_size)
return AVERROR_INVALIDDATA;
if (tile_level_x || tile_level_y) { /* tile level, is not the full res level */
avpriv_report_missing_feature(s->avctx, "Subres tile before full res tile");
return AVERROR_PATCHWELCOME;
}
if (s->xmin || s->ymin) {
avpriv_report_missing_feature(s->avctx, "Tiles with xmin/ymin");
return AVERROR_PATCHWELCOME;
}
line = s->tile_attr.ySize * tile_y;
col = s->tile_attr.xSize * tile_x;
if (line < s->ymin || line > s->ymax ||
col < s->xmin || col > s->xmax)
return AVERROR_INVALIDDATA;
td->ysize = FFMIN(s->tile_attr.ySize, s->ydelta - tile_y * s->tile_attr.ySize);
td->xsize = FFMIN(s->tile_attr.xSize, s->xdelta - tile_x * s->tile_attr.xSize);
if (col) { /* not the first tile of the line */
bxmin = 0; /* doesn't add pixel at the left of the datawindow */
}
if ((col + td->xsize) != s->xdelta)/* not the last tile of the line */
axmax = 0; /* doesn't add pixel at the right of the datawindow */
td->channel_line_size = td->xsize * s->current_channel_offset;/* uncompress size of one line */
uncompressed_size = td->channel_line_size * (uint64_t)td->ysize;/* uncompress size of the block */
} else {
if (line_offset > buf_size - 8)
return AVERROR_INVALIDDATA;
src = buf + line_offset + 8;
line = AV_RL32(src - 8);
if (line < s->ymin || line > s->ymax)
return AVERROR_INVALIDDATA;
data_size = AV_RL32(src - 4);
if (data_size <= 0 || data_size > buf_size)
return AVERROR_INVALIDDATA;
td->ysize = FFMIN(s->scan_lines_per_block, s->ymax - line + 1); /* s->ydelta - line ?? */
td->xsize = s->xdelta;
td->channel_line_size = td->xsize * s->current_channel_offset;/* uncompress size of one line */
uncompressed_size = td->channel_line_size * (uint64_t)td->ysize;/* uncompress size of the block */
if ((s->compression == EXR_RAW && (data_size != uncompressed_size ||
line_offset > buf_size - uncompressed_size)) ||
(s->compression != EXR_RAW && (data_size > uncompressed_size ||
line_offset > buf_size - data_size))) {
return AVERROR_INVALIDDATA;
}
}
if (data_size < uncompressed_size || s->is_tile) { /* td->tmp is use for tile reorganization */
av_fast_padded_malloc(&td->tmp, &td->tmp_size, uncompressed_size);
if (!td->tmp)
return AVERROR(ENOMEM);
}
if (data_size < uncompressed_size) {
av_fast_padded_malloc(&td->uncompressed_data,
&td->uncompressed_size, uncompressed_size + 64);/* Force 64 padding for AVX2 reorder_pixels dst */
if (!td->uncompressed_data)
return AVERROR(ENOMEM);
ret = AVERROR_INVALIDDATA;
switch (s->compression) {
case EXR_ZIP1:
case EXR_ZIP16:
ret = zip_uncompress(s, src, data_size, uncompressed_size, td);
break;
case EXR_PIZ:
ret = piz_uncompress(s, src, data_size, uncompressed_size, td);
break;
case EXR_PXR24:
ret = pxr24_uncompress(s, src, data_size, uncompressed_size, td);
break;
case EXR_RLE:
ret = rle_uncompress(s, src, data_size, uncompressed_size, td);
break;
case EXR_B44:
case EXR_B44A:
ret = b44_uncompress(s, src, data_size, uncompressed_size, td);
break;
}
if (ret < 0) {
av_log(avctx, AV_LOG_ERROR, "decode_block() failed.\n");
return ret;
}
src = td->uncompressed_data;
}
if (!s->is_luma) {
channel_buffer[0] = src + td->xsize * s->channel_offsets[0];
channel_buffer[1] = src + td->xsize * s->channel_offsets[1];
channel_buffer[2] = src + td->xsize * s->channel_offsets[2];
rgb_channel_count = 3;
} else { /* put y data in the first channel_buffer */
channel_buffer[0] = src + td->xsize * s->channel_offsets[1];
rgb_channel_count = 1;
}
if (s->channel_offsets[3] >= 0)
channel_buffer[3] = src + td->xsize * s->channel_offsets[3];
ptr = p->data[0] + line * p->linesize[0] + (col * s->desc->nb_components * 2);
for (i = 0;
i < td->ysize; i++, ptr += p->linesize[0]) {
const uint8_t * a;
const uint8_t *rgb[3];
for (c = 0; c < rgb_channel_count; c++){
rgb[c] = channel_buffer[c];
}
if (channel_buffer[3])
a = channel_buffer[3];
ptr_x = (uint16_t *) ptr;
// Zero out the start if xmin is not 0
memset(ptr_x, 0, bxmin);
ptr_x += s->xmin * s->desc->nb_components;
if (s->pixel_type == EXR_FLOAT) {
// 32-bit
if (trc_func) {
for (x = 0; x < td->xsize; x++) {
union av_intfloat32 t;
for (c = 0; c < rgb_channel_count; c++) {
t.i = bytestream_get_le32(&rgb[c]);
t.f = trc_func(t.f);
*ptr_x++ = exr_flt2uint(t.i);
}
if (channel_buffer[3])
*ptr_x++ = exr_flt2uint(bytestream_get_le32(&a));
}
} else {
for (x = 0; x < td->xsize; x++) {
union av_intfloat32 t;
int c;
for (c = 0; c < rgb_channel_count; c++) {
t.i = bytestream_get_le32(&rgb[c]);
if (t.f > 0.0f) /* avoid negative values */
t.f = powf(t.f, one_gamma);
*ptr_x++ = exr_flt2uint(t.i);
}
if (channel_buffer[3])
*ptr_x++ = exr_flt2uint(bytestream_get_le32(&a));
}
}
} else if (s->pixel_type == EXR_HALF) {
// 16-bit
for (x = 0; x < td->xsize; x++) {
int c;
for (c = 0; c < rgb_channel_count; c++) {
*ptr_x++ = s->gamma_table[bytestream_get_le16(&rgb[c])];
}
if (channel_buffer[3])
*ptr_x++ = exr_halflt2uint(bytestream_get_le16(&a));
}
} else if (s->pixel_type == EXR_UINT) {
for (x = 0; x < td->xsize; x++) {
for (c = 0; c < rgb_channel_count; c++) {
*ptr_x++ = bytestream_get_le32(&rgb[c]) >> 16;
}
if (channel_buffer[3])
*ptr_x++ = bytestream_get_le32(&a) >> 16;
}
}
// Zero out the end if xmax+1 is not w
memset(ptr_x, 0, axmax);
channel_buffer[0] += td->channel_line_size;
channel_buffer[1] += td->channel_line_size;
channel_buffer[2] += td->channel_line_size;
if (channel_buffer[3])
channel_buffer[3] += td->channel_line_size;
}
return 0;
}
| 18,576 |
qemu | 09aaa1602f9381c0e0fb539390b1793e51bdfc7b | 1 | void watchdog_pc_init(PCIBus *pci_bus)
{
if (watchdog)
watchdog->wdt_pc_init(pci_bus);
}
| 18,577 |
FFmpeg | e09ae22ab7d9af7f1cbfd2445fa71ad9e7c28ee3 | 1 | static void copy_bits(PutBitContext *pb,
const uint8_t *data, int size,
GetBitContext *gb, int nbits)
{
int rmn_bytes, rmn_bits;
rmn_bits = rmn_bytes = get_bits_left(gb);
if (rmn_bits < nbits)
rmn_bits &= 7; rmn_bytes >>= 3;
if ((rmn_bits = FFMIN(rmn_bits, nbits)) > 0)
put_bits(pb, rmn_bits, get_bits(gb, rmn_bits));
ff_copy_bits(pb, data + size - rmn_bytes,
FFMIN(nbits - rmn_bits, rmn_bytes << 3));
} | 18,579 |
FFmpeg | 1d0036b01f1860fdead35a6efcdc1d0beb4c3269 | 0 | int ff_asf_parse_packet(AVFormatContext *s, ByteIOContext *pb, AVPacket *pkt)
{
ASFContext *asf = s->priv_data;
ASFStream *asf_st = 0;
for (;;) {
if(url_feof(pb))
return AVERROR_EOF;
if (asf->packet_size_left < FRAME_HEADER_SIZE
|| asf->packet_segments < 1) {
//asf->packet_size_left <= asf->packet_padsize) {
int ret = asf->packet_size_left + asf->packet_padsize;
//printf("PacketLeftSize:%d Pad:%d Pos:%"PRId64"\n", asf->packet_size_left, asf->packet_padsize, url_ftell(pb));
assert(ret>=0);
/* fail safe */
url_fskip(pb, ret);
asf->packet_pos= url_ftell(pb);
if (asf->data_object_size != (uint64_t)-1 &&
(asf->packet_pos - asf->data_object_offset >= asf->data_object_size))
return AVERROR(EIO); /* Do not exceed the size of the data object */
return 1;
}
if (asf->packet_time_start == 0) {
if(asf_read_frame_header(s, pb) < 0){
asf->packet_segments= 0;
continue;
}
if (asf->stream_index < 0
|| s->streams[asf->stream_index]->discard >= AVDISCARD_ALL
|| (!asf->packet_key_frame && s->streams[asf->stream_index]->discard >= AVDISCARD_NONKEY)
) {
asf->packet_time_start = 0;
/* unhandled packet (should not happen) */
url_fskip(pb, asf->packet_frag_size);
asf->packet_size_left -= asf->packet_frag_size;
if(asf->stream_index < 0)
av_log(s, AV_LOG_ERROR, "ff asf skip %d (unknown stream)\n", asf->packet_frag_size);
continue;
}
asf->asf_st = s->streams[asf->stream_index]->priv_data;
}
asf_st = asf->asf_st;
if (asf->packet_replic_size == 1) {
// frag_offset is here used as the beginning timestamp
asf->packet_frag_timestamp = asf->packet_time_start;
asf->packet_time_start += asf->packet_time_delta;
asf->packet_obj_size = asf->packet_frag_size = get_byte(pb);
asf->packet_size_left--;
asf->packet_multi_size--;
if (asf->packet_multi_size < asf->packet_obj_size)
{
asf->packet_time_start = 0;
url_fskip(pb, asf->packet_multi_size);
asf->packet_size_left -= asf->packet_multi_size;
continue;
}
asf->packet_multi_size -= asf->packet_obj_size;
//printf("COMPRESS size %d %d %d ms:%d\n", asf->packet_obj_size, asf->packet_frag_timestamp, asf->packet_size_left, asf->packet_multi_size);
}
if( /*asf->packet_frag_size == asf->packet_obj_size*/
asf_st->frag_offset + asf->packet_frag_size <= asf_st->pkt.size
&& asf_st->frag_offset + asf->packet_frag_size > asf->packet_obj_size){
av_log(s, AV_LOG_INFO, "ignoring invalid packet_obj_size (%d %d %d %d)\n",
asf_st->frag_offset, asf->packet_frag_size,
asf->packet_obj_size, asf_st->pkt.size);
asf->packet_obj_size= asf_st->pkt.size;
}
if ( asf_st->pkt.size != asf->packet_obj_size
|| asf_st->frag_offset + asf->packet_frag_size > asf_st->pkt.size) { //FIXME is this condition sufficient?
if(asf_st->pkt.data){
av_log(s, AV_LOG_INFO, "freeing incomplete packet size %d, new %d\n", asf_st->pkt.size, asf->packet_obj_size);
asf_st->frag_offset = 0;
av_free_packet(&asf_st->pkt);
}
/* new packet */
av_new_packet(&asf_st->pkt, asf->packet_obj_size);
asf_st->seq = asf->packet_seq;
asf_st->pkt.dts = asf->packet_frag_timestamp;
asf_st->pkt.stream_index = asf->stream_index;
asf_st->pkt.pos =
asf_st->packet_pos= asf->packet_pos;
//printf("new packet: stream:%d key:%d packet_key:%d audio:%d size:%d\n",
//asf->stream_index, asf->packet_key_frame, asf_st->pkt.flags & PKT_FLAG_KEY,
//s->streams[asf->stream_index]->codec->codec_type == CODEC_TYPE_AUDIO, asf->packet_obj_size);
if (s->streams[asf->stream_index]->codec->codec_type == CODEC_TYPE_AUDIO)
asf->packet_key_frame = 1;
if (asf->packet_key_frame)
asf_st->pkt.flags |= PKT_FLAG_KEY;
}
/* read data */
//printf("READ PACKET s:%d os:%d o:%d,%d l:%d DATA:%p\n",
// asf->packet_size, asf_st->pkt.size, asf->packet_frag_offset,
// asf_st->frag_offset, asf->packet_frag_size, asf_st->pkt.data);
asf->packet_size_left -= asf->packet_frag_size;
if (asf->packet_size_left < 0)
continue;
if( asf->packet_frag_offset >= asf_st->pkt.size
|| asf->packet_frag_size > asf_st->pkt.size - asf->packet_frag_offset){
av_log(s, AV_LOG_ERROR, "packet fragment position invalid %u,%u not in %u\n",
asf->packet_frag_offset, asf->packet_frag_size, asf_st->pkt.size);
continue;
}
get_buffer(pb, asf_st->pkt.data + asf->packet_frag_offset,
asf->packet_frag_size);
if (s->key && s->keylen == 20)
ff_asfcrypt_dec(s->key, asf_st->pkt.data + asf->packet_frag_offset,
asf->packet_frag_size);
asf_st->frag_offset += asf->packet_frag_size;
/* test if whole packet is read */
if (asf_st->frag_offset == asf_st->pkt.size) {
//workaround for macroshit radio DVR-MS files
if( s->streams[asf->stream_index]->codec->codec_id == CODEC_ID_MPEG2VIDEO
&& asf_st->pkt.size > 100){
int i;
for(i=0; i<asf_st->pkt.size && !asf_st->pkt.data[i]; i++);
if(i == asf_st->pkt.size){
av_log(s, AV_LOG_DEBUG, "discarding ms fart\n");
asf_st->frag_offset = 0;
av_free_packet(&asf_st->pkt);
continue;
}
}
/* return packet */
if (asf_st->ds_span > 1) {
if(asf_st->pkt.size != asf_st->ds_packet_size * asf_st->ds_span){
av_log(s, AV_LOG_ERROR, "pkt.size != ds_packet_size * ds_span (%d %d %d)\n", asf_st->pkt.size, asf_st->ds_packet_size, asf_st->ds_span);
}else{
/* packet descrambling */
uint8_t *newdata = av_malloc(asf_st->pkt.size);
if (newdata) {
int offset = 0;
while (offset < asf_st->pkt.size) {
int off = offset / asf_st->ds_chunk_size;
int row = off / asf_st->ds_span;
int col = off % asf_st->ds_span;
int idx = row + col * asf_st->ds_packet_size / asf_st->ds_chunk_size;
//printf("off:%d row:%d col:%d idx:%d\n", off, row, col, idx);
assert(offset + asf_st->ds_chunk_size <= asf_st->pkt.size);
assert(idx+1 <= asf_st->pkt.size / asf_st->ds_chunk_size);
memcpy(newdata + offset,
asf_st->pkt.data + idx * asf_st->ds_chunk_size,
asf_st->ds_chunk_size);
offset += asf_st->ds_chunk_size;
}
av_free(asf_st->pkt.data);
asf_st->pkt.data = newdata;
}
}
}
asf_st->frag_offset = 0;
*pkt= asf_st->pkt;
//printf("packet %d %d\n", asf_st->pkt.size, asf->packet_frag_size);
asf_st->pkt.size = 0;
asf_st->pkt.data = 0;
break; // packet completed
}
}
return 0;
}
| 18,581 |
FFmpeg | d1016dccdcb10486245e5d7c186cc31af54b2a9c | 0 | static int xmv_read_close(AVFormatContext *s)
{
XMVDemuxContext *xmv = s->priv_data;
av_free(xmv->audio);
av_free(xmv->audio_tracks);
return 0;
}
| 18,582 |
FFmpeg | baced9f5986a466c957456f5cf32a722d8b35512 | 0 | static void mpeg1_encode_sequence_header(MpegEncContext *s)
{
unsigned int vbv_buffer_size;
unsigned int fps, v;
int i;
uint64_t time_code;
float best_aspect_error= 1E10;
float aspect_ratio= av_q2d(s->avctx->sample_aspect_ratio);
int constraint_parameter_flag;
if(aspect_ratio==0.0) aspect_ratio= 1.0; //pixel aspect 1:1 (VGA)
if (s->current_picture.key_frame) {
AVRational framerate= frame_rate_tab[s->frame_rate_index];
/* mpeg1 header repeated every gop */
put_header(s, SEQ_START_CODE);
put_bits(&s->pb, 12, s->width);
put_bits(&s->pb, 12, s->height);
for(i=1; i<15; i++){
float error= aspect_ratio;
if(s->codec_id == CODEC_ID_MPEG1VIDEO || i <=1)
error-= 1.0/mpeg1_aspect[i];
else
error-= av_q2d(mpeg2_aspect[i])*s->height/s->width;
error= ABS(error);
if(error < best_aspect_error){
best_aspect_error= error;
s->aspect_ratio_info= i;
}
}
put_bits(&s->pb, 4, s->aspect_ratio_info);
put_bits(&s->pb, 4, s->frame_rate_index);
if(s->avctx->rc_max_rate){
v = (s->avctx->rc_max_rate + 399) / 400;
if (v > 0x3ffff && s->codec_id == CODEC_ID_MPEG1VIDEO)
v = 0x3ffff;
}else{
v= 0x3FFFF;
}
if(s->avctx->rc_buffer_size)
vbv_buffer_size = s->avctx->rc_buffer_size;
else
/* VBV calculation: Scaled so that a VCD has the proper VBV size of 40 kilobytes */
vbv_buffer_size = (( 20 * s->bit_rate) / (1151929 / 2)) * 8 * 1024;
vbv_buffer_size= (vbv_buffer_size + 16383) / 16384;
put_bits(&s->pb, 18, v & 0x3FFFF);
put_bits(&s->pb, 1, 1); /* marker */
put_bits(&s->pb, 10, vbv_buffer_size & 0x3FF);
constraint_parameter_flag=
s->width <= 768 && s->height <= 576 &&
s->mb_width * s->mb_height <= 396 &&
s->mb_width * s->mb_height * framerate.num <= framerate.den*396*25 &&
framerate.num <= framerate.den*30 &&
vbv_buffer_size <= 20 &&
v <= 1856000/400 &&
s->codec_id == CODEC_ID_MPEG1VIDEO;
put_bits(&s->pb, 1, constraint_parameter_flag);
ff_write_quant_matrix(&s->pb, s->avctx->intra_matrix);
ff_write_quant_matrix(&s->pb, s->avctx->inter_matrix);
if(s->codec_id == CODEC_ID_MPEG2VIDEO){
put_header(s, EXT_START_CODE);
put_bits(&s->pb, 4, 1); //seq ext
put_bits(&s->pb, 1, 0); //esc
put_bits(&s->pb, 3, 4); //profile
put_bits(&s->pb, 4, 8); //level
put_bits(&s->pb, 1, s->progressive_sequence);
put_bits(&s->pb, 2, 1); //chroma format 4:2:0
put_bits(&s->pb, 2, 0); //horizontal size ext
put_bits(&s->pb, 2, 0); //vertical size ext
put_bits(&s->pb, 12, v>>18); //bitrate ext
put_bits(&s->pb, 1, 1); //marker
put_bits(&s->pb, 8, vbv_buffer_size >>10); //vbv buffer ext
put_bits(&s->pb, 1, s->low_delay);
put_bits(&s->pb, 2, 0); // frame_rate_ext_n
put_bits(&s->pb, 5, 0); // frame_rate_ext_d
}
put_header(s, GOP_START_CODE);
put_bits(&s->pb, 1, 0); /* do drop frame */
/* time code : we must convert from the real frame rate to a
fake mpeg frame rate in case of low frame rate */
fps = (framerate.num + framerate.den/2)/ framerate.den;
time_code = s->current_picture_ptr->coded_picture_number;
s->gop_picture_number = time_code;
put_bits(&s->pb, 5, (uint32_t)((time_code / (fps * 3600)) % 24));
put_bits(&s->pb, 6, (uint32_t)((time_code / (fps * 60)) % 60));
put_bits(&s->pb, 1, 1);
put_bits(&s->pb, 6, (uint32_t)((time_code / fps) % 60));
put_bits(&s->pb, 6, (uint32_t)((time_code % fps)));
put_bits(&s->pb, 1, !!(s->flags & CODEC_FLAG_CLOSED_GOP));
put_bits(&s->pb, 1, 0); /* broken link */
}
}
| 18,584 |
FFmpeg | feeb8ca56dc08bda19174502a687ae262ea3ee21 | 0 | int ff_vp56_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
VP56Context *s = avctx->priv_data;
AVFrame *const p = s->frames[VP56_FRAME_CURRENT];
int remaining_buf_size = avpkt->size;
int av_uninit(alpha_offset);
int i, res;
if (s->has_alpha) {
if (remaining_buf_size < 3)
return -1;
alpha_offset = bytestream_get_be24(&buf);
remaining_buf_size -= 3;
if (remaining_buf_size < alpha_offset)
return -1;
}
res = s->parse_header(s, buf, remaining_buf_size);
if (res < 0)
return res;
if (res == VP56_SIZE_CHANGE) {
for (i = 0; i < 4; i++) {
av_frame_unref(s->frames[i]);
if (s->alpha_context)
av_frame_unref(s->alpha_context->frames[i]);
}
}
if (ff_get_buffer(avctx, p, AV_GET_BUFFER_FLAG_REF) < 0)
return -1;
if (s->has_alpha) {
av_frame_unref(s->alpha_context->frames[VP56_FRAME_CURRENT]);
av_frame_ref(s->alpha_context->frames[VP56_FRAME_CURRENT], p);
}
if (res == VP56_SIZE_CHANGE) {
if (vp56_size_changed(s)) {
av_frame_unref(p);
return -1;
}
}
if (s->has_alpha) {
int bak_w = avctx->width;
int bak_h = avctx->height;
int bak_cw = avctx->coded_width;
int bak_ch = avctx->coded_height;
buf += alpha_offset;
remaining_buf_size -= alpha_offset;
res = s->alpha_context->parse_header(s->alpha_context, buf, remaining_buf_size);
if (res != 0) {
if(res==VP56_SIZE_CHANGE) {
av_log(avctx, AV_LOG_ERROR, "Alpha reconfiguration\n");
avctx->width = bak_w;
avctx->height = bak_h;
avctx->coded_width = bak_cw;
avctx->coded_height = bak_ch;
}
av_frame_unref(p);
return -1;
}
}
avctx->execute2(avctx, ff_vp56_decode_mbs, 0, 0, s->has_alpha + 1);
if ((res = av_frame_ref(data, p)) < 0)
return res;
*got_frame = 1;
return avpkt->size;
}
| 18,585 |
qemu | b47d8efa9f430c332bf96ce6eede169eb48422ad | 0 | static int vfio_get_device(VFIOGroup *group, const char *name,
VFIOPCIDevice *vdev)
{
struct vfio_device_info dev_info = { .argsz = sizeof(dev_info) };
struct vfio_region_info reg_info = { .argsz = sizeof(reg_info) };
struct vfio_irq_info irq_info = { .argsz = sizeof(irq_info) };
int ret, i;
ret = ioctl(group->fd, VFIO_GROUP_GET_DEVICE_FD, name);
if (ret < 0) {
error_report("vfio: error getting device %s from group %d: %m",
name, group->groupid);
error_printf("Verify all devices in group %d are bound to vfio-pci "
"or pci-stub and not already in use\n", group->groupid);
return ret;
}
vdev->vbasedev.fd = ret;
vdev->vbasedev.group = group;
QLIST_INSERT_HEAD(&group->device_list, vdev, next);
/* Sanity check device */
ret = ioctl(vdev->vbasedev.fd, VFIO_DEVICE_GET_INFO, &dev_info);
if (ret) {
error_report("vfio: error getting device info: %m");
goto error;
}
trace_vfio_get_device_irq(name, dev_info.flags,
dev_info.num_regions, dev_info.num_irqs);
if (!(dev_info.flags & VFIO_DEVICE_FLAGS_PCI)) {
error_report("vfio: Um, this isn't a PCI device");
goto error;
}
vdev->reset_works = !!(dev_info.flags & VFIO_DEVICE_FLAGS_RESET);
if (dev_info.num_regions < VFIO_PCI_CONFIG_REGION_INDEX + 1) {
error_report("vfio: unexpected number of io regions %u",
dev_info.num_regions);
goto error;
}
if (dev_info.num_irqs < VFIO_PCI_MSIX_IRQ_INDEX + 1) {
error_report("vfio: unexpected number of irqs %u", dev_info.num_irqs);
goto error;
}
for (i = VFIO_PCI_BAR0_REGION_INDEX; i < VFIO_PCI_ROM_REGION_INDEX; i++) {
reg_info.index = i;
ret = ioctl(vdev->vbasedev.fd, VFIO_DEVICE_GET_REGION_INFO, ®_info);
if (ret) {
error_report("vfio: Error getting region %d info: %m", i);
goto error;
}
trace_vfio_get_device_region(name, i,
(unsigned long)reg_info.size,
(unsigned long)reg_info.offset,
(unsigned long)reg_info.flags);
vdev->bars[i].flags = reg_info.flags;
vdev->bars[i].size = reg_info.size;
vdev->bars[i].fd_offset = reg_info.offset;
vdev->bars[i].fd = vdev->vbasedev.fd;
vdev->bars[i].nr = i;
QLIST_INIT(&vdev->bars[i].quirks);
}
reg_info.index = VFIO_PCI_CONFIG_REGION_INDEX;
ret = ioctl(vdev->vbasedev.fd, VFIO_DEVICE_GET_REGION_INFO, ®_info);
if (ret) {
error_report("vfio: Error getting config info: %m");
goto error;
}
trace_vfio_get_device_config(name, (unsigned long)reg_info.size,
(unsigned long)reg_info.offset,
(unsigned long)reg_info.flags);
vdev->config_size = reg_info.size;
if (vdev->config_size == PCI_CONFIG_SPACE_SIZE) {
vdev->pdev.cap_present &= ~QEMU_PCI_CAP_EXPRESS;
}
vdev->config_offset = reg_info.offset;
if ((vdev->features & VFIO_FEATURE_ENABLE_VGA) &&
dev_info.num_regions > VFIO_PCI_VGA_REGION_INDEX) {
struct vfio_region_info vga_info = {
.argsz = sizeof(vga_info),
.index = VFIO_PCI_VGA_REGION_INDEX,
};
ret = ioctl(vdev->vbasedev.fd, VFIO_DEVICE_GET_REGION_INFO, &vga_info);
if (ret) {
error_report(
"vfio: Device does not support requested feature x-vga");
goto error;
}
if (!(vga_info.flags & VFIO_REGION_INFO_FLAG_READ) ||
!(vga_info.flags & VFIO_REGION_INFO_FLAG_WRITE) ||
vga_info.size < 0xbffff + 1) {
error_report("vfio: Unexpected VGA info, flags 0x%lx, size 0x%lx",
(unsigned long)vga_info.flags,
(unsigned long)vga_info.size);
goto error;
}
vdev->vga.fd_offset = vga_info.offset;
vdev->vga.fd = vdev->vbasedev.fd;
vdev->vga.region[QEMU_PCI_VGA_MEM].offset = QEMU_PCI_VGA_MEM_BASE;
vdev->vga.region[QEMU_PCI_VGA_MEM].nr = QEMU_PCI_VGA_MEM;
QLIST_INIT(&vdev->vga.region[QEMU_PCI_VGA_MEM].quirks);
vdev->vga.region[QEMU_PCI_VGA_IO_LO].offset = QEMU_PCI_VGA_IO_LO_BASE;
vdev->vga.region[QEMU_PCI_VGA_IO_LO].nr = QEMU_PCI_VGA_IO_LO;
QLIST_INIT(&vdev->vga.region[QEMU_PCI_VGA_IO_LO].quirks);
vdev->vga.region[QEMU_PCI_VGA_IO_HI].offset = QEMU_PCI_VGA_IO_HI_BASE;
vdev->vga.region[QEMU_PCI_VGA_IO_HI].nr = QEMU_PCI_VGA_IO_HI;
QLIST_INIT(&vdev->vga.region[QEMU_PCI_VGA_IO_HI].quirks);
vdev->has_vga = true;
}
irq_info.index = VFIO_PCI_ERR_IRQ_INDEX;
ret = ioctl(vdev->vbasedev.fd, VFIO_DEVICE_GET_IRQ_INFO, &irq_info);
if (ret) {
/* This can fail for an old kernel or legacy PCI dev */
trace_vfio_get_device_get_irq_info_failure();
ret = 0;
} else if (irq_info.count == 1) {
vdev->pci_aer = true;
} else {
error_report("vfio: %04x:%02x:%02x.%x "
"Could not enable error recovery for the device",
vdev->host.domain, vdev->host.bus, vdev->host.slot,
vdev->host.function);
}
error:
if (ret) {
QLIST_REMOVE(vdev, next);
vdev->vbasedev.group = NULL;
close(vdev->vbasedev.fd);
}
return ret;
}
| 18,586 |
qemu | de13d2161473d02ae97ec0f8e4503147554892dd | 0 | static void css_inject_io_interrupt(SubchDev *sch)
{
S390CPU *cpu = s390_cpu_addr2state(0);
uint8_t isc = (sch->curr_status.pmcw.flags & PMCW_FLAGS_MASK_ISC) >> 11;
trace_css_io_interrupt(sch->cssid, sch->ssid, sch->schid,
sch->curr_status.pmcw.intparm, isc, "");
s390_io_interrupt(cpu,
css_build_subchannel_id(sch),
sch->schid,
sch->curr_status.pmcw.intparm,
isc << 27);
}
| 18,587 |
qemu | 51387f864c7421aba07b5b445cd7835bbc496a07 | 0 | static int bonito_initfn(PCIDevice *dev)
{
PCIBonitoState *s = DO_UPCAST(PCIBonitoState, dev, dev);
/* Bonito North Bridge, built on FPGA, VENDOR_ID/DEVICE_ID are "undefined" */
pci_config_set_vendor_id(dev->config, 0xdf53);
pci_config_set_device_id(dev->config, 0x00d5);
pci_config_set_class(dev->config, PCI_CLASS_BRIDGE_HOST);
pci_config_set_prog_interface(dev->config, 0x00);
pci_config_set_revision(dev->config, 0x01);
/* set the north bridge register mapping */
s->bonito_reg_handle = cpu_register_io_memory(bonito_read, bonito_write, s,
DEVICE_NATIVE_ENDIAN);
s->bonito_reg_start = BONITO_INTERNAL_REG_BASE;
s->bonito_reg_length = BONITO_INTERNAL_REG_SIZE;
cpu_register_physical_memory(s->bonito_reg_start, s->bonito_reg_length,
s->bonito_reg_handle);
/* set the north bridge pci configure mapping */
s->bonito_pciconf_handle = cpu_register_io_memory(bonito_pciconf_read,
bonito_pciconf_write, s,
DEVICE_NATIVE_ENDIAN);
s->bonito_pciconf_start = BONITO_PCICONFIG_BASE;
s->bonito_pciconf_length = BONITO_PCICONFIG_SIZE;
cpu_register_physical_memory(s->bonito_pciconf_start, s->bonito_pciconf_length,
s->bonito_pciconf_handle);
/* set the south bridge pci configure mapping */
s->bonito_spciconf_handle = cpu_register_io_memory(bonito_spciconf_read,
bonito_spciconf_write, s,
DEVICE_NATIVE_ENDIAN);
s->bonito_spciconf_start = BONITO_SPCICONFIG_BASE;
s->bonito_spciconf_length = BONITO_SPCICONFIG_SIZE;
cpu_register_physical_memory(s->bonito_spciconf_start, s->bonito_spciconf_length,
s->bonito_spciconf_handle);
s->bonito_ldma_handle = cpu_register_io_memory(bonito_ldma_read,
bonito_ldma_write, s,
DEVICE_NATIVE_ENDIAN);
s->bonito_ldma_start = 0xbfe00200;
s->bonito_ldma_length = 0x100;
cpu_register_physical_memory(s->bonito_ldma_start, s->bonito_ldma_length,
s->bonito_ldma_handle);
s->bonito_cop_handle = cpu_register_io_memory(bonito_cop_read,
bonito_cop_write, s,
DEVICE_NATIVE_ENDIAN);
s->bonito_cop_start = 0xbfe00300;
s->bonito_cop_length = 0x100;
cpu_register_physical_memory(s->bonito_cop_start, s->bonito_cop_length,
s->bonito_cop_handle);
/* Map PCI IO Space 0x1fd0 0000 - 0x1fd1 0000 */
s->bonito_pciio_start = BONITO_PCIIO_BASE;
s->bonito_pciio_length = BONITO_PCIIO_SIZE;
isa_mem_base = s->bonito_pciio_start;
isa_mmio_init(s->bonito_pciio_start, s->bonito_pciio_length);
/* add pci local io mapping */
s->bonito_localio_start = BONITO_DEV_BASE;
s->bonito_localio_length = BONITO_DEV_SIZE;
isa_mmio_init(s->bonito_localio_start, s->bonito_localio_length);
/* set the default value of north bridge pci config */
pci_set_word(dev->config + PCI_COMMAND, 0x0000);
pci_set_word(dev->config + PCI_STATUS, 0x0000);
pci_set_word(dev->config + PCI_SUBSYSTEM_VENDOR_ID, 0x0000);
pci_set_word(dev->config + PCI_SUBSYSTEM_ID, 0x0000);
pci_set_byte(dev->config + PCI_INTERRUPT_LINE, 0x00);
pci_set_byte(dev->config + PCI_INTERRUPT_PIN, 0x01);
pci_set_byte(dev->config + PCI_MIN_GNT, 0x3c);
pci_set_byte(dev->config + PCI_MAX_LAT, 0x00);
qemu_register_reset(bonito_reset, s);
return 0;
}
| 18,588 |
qemu | df6126a7f21a1a032e41b15899ca29777399d5a2 | 0 | static void decode_opc (CPUMIPSState *env, DisasContext *ctx, int *is_branch)
{
int32_t offset;
int rs, rt, rd, sa;
uint32_t op, op1, op2;
int16_t imm;
/* make sure instructions are on a word boundary */
if (ctx->pc & 0x3) {
env->CP0_BadVAddr = ctx->pc;
generate_exception(ctx, EXCP_AdEL);
return;
}
/* Handle blikely not taken case */
if ((ctx->hflags & MIPS_HFLAG_BMASK_BASE) == MIPS_HFLAG_BL) {
int l1 = gen_new_label();
MIPS_DEBUG("blikely condition (" TARGET_FMT_lx ")", ctx->pc + 4);
tcg_gen_brcondi_tl(TCG_COND_NE, bcond, 0, l1);
tcg_gen_movi_i32(hflags, ctx->hflags & ~MIPS_HFLAG_BMASK);
gen_goto_tb(ctx, 1, ctx->pc + 4);
gen_set_label(l1);
}
if (unlikely(qemu_loglevel_mask(CPU_LOG_TB_OP | CPU_LOG_TB_OP_OPT))) {
tcg_gen_debug_insn_start(ctx->pc);
}
op = MASK_OP_MAJOR(ctx->opcode);
rs = (ctx->opcode >> 21) & 0x1f;
rt = (ctx->opcode >> 16) & 0x1f;
rd = (ctx->opcode >> 11) & 0x1f;
sa = (ctx->opcode >> 6) & 0x1f;
imm = (int16_t)ctx->opcode;
switch (op) {
case OPC_SPECIAL:
op1 = MASK_SPECIAL(ctx->opcode);
switch (op1) {
case OPC_SLL: /* Shift with immediate */
case OPC_SRA:
gen_shift_imm(ctx, op1, rd, rt, sa);
break;
case OPC_SRL:
switch ((ctx->opcode >> 21) & 0x1f) {
case 1:
/* rotr is decoded as srl on non-R2 CPUs */
if (ctx->insn_flags & ISA_MIPS32R2) {
op1 = OPC_ROTR;
}
/* Fallthrough */
case 0:
gen_shift_imm(ctx, op1, rd, rt, sa);
break;
default:
generate_exception(ctx, EXCP_RI);
break;
}
break;
case OPC_MOVN: /* Conditional move */
case OPC_MOVZ:
check_insn(ctx, ISA_MIPS4 | ISA_MIPS32 |
INSN_LOONGSON2E | INSN_LOONGSON2F);
gen_cond_move(ctx, op1, rd, rs, rt);
break;
case OPC_ADD ... OPC_SUBU:
gen_arith(ctx, op1, rd, rs, rt);
break;
case OPC_SLLV: /* Shifts */
case OPC_SRAV:
gen_shift(ctx, op1, rd, rs, rt);
break;
case OPC_SRLV:
switch ((ctx->opcode >> 6) & 0x1f) {
case 1:
/* rotrv is decoded as srlv on non-R2 CPUs */
if (ctx->insn_flags & ISA_MIPS32R2) {
op1 = OPC_ROTRV;
}
/* Fallthrough */
case 0:
gen_shift(ctx, op1, rd, rs, rt);
break;
default:
generate_exception(ctx, EXCP_RI);
break;
}
break;
case OPC_SLT: /* Set on less than */
case OPC_SLTU:
gen_slt(ctx, op1, rd, rs, rt);
break;
case OPC_AND: /* Logic*/
case OPC_OR:
case OPC_NOR:
case OPC_XOR:
gen_logic(ctx, op1, rd, rs, rt);
break;
case OPC_MULT ... OPC_DIVU:
if (sa) {
check_insn(ctx, INSN_VR54XX);
op1 = MASK_MUL_VR54XX(ctx->opcode);
gen_mul_vr54xx(ctx, op1, rd, rs, rt);
} else
gen_muldiv(ctx, op1, rs, rt);
break;
case OPC_JR ... OPC_JALR:
gen_compute_branch(ctx, op1, 4, rs, rd, sa);
*is_branch = 1;
break;
case OPC_TGE ... OPC_TEQ: /* Traps */
case OPC_TNE:
gen_trap(ctx, op1, rs, rt, -1);
break;
case OPC_MFHI: /* Move from HI/LO */
case OPC_MFLO:
gen_HILO(ctx, op1, rd);
break;
case OPC_MTHI:
case OPC_MTLO: /* Move to HI/LO */
gen_HILO(ctx, op1, rs);
break;
case OPC_PMON: /* Pmon entry point, also R4010 selsl */
#ifdef MIPS_STRICT_STANDARD
MIPS_INVAL("PMON / selsl");
generate_exception(ctx, EXCP_RI);
#else
gen_helper_0e0i(pmon, sa);
#endif
break;
case OPC_SYSCALL:
generate_exception(ctx, EXCP_SYSCALL);
ctx->bstate = BS_STOP;
break;
case OPC_BREAK:
generate_exception(ctx, EXCP_BREAK);
break;
case OPC_SPIM:
#ifdef MIPS_STRICT_STANDARD
MIPS_INVAL("SPIM");
generate_exception(ctx, EXCP_RI);
#else
/* Implemented as RI exception for now. */
MIPS_INVAL("spim (unofficial)");
generate_exception(ctx, EXCP_RI);
#endif
break;
case OPC_SYNC:
/* Treat as NOP. */
break;
case OPC_MOVCI:
check_insn(ctx, ISA_MIPS4 | ISA_MIPS32);
if (env->CP0_Config1 & (1 << CP0C1_FP)) {
check_cp1_enabled(ctx);
gen_movci(ctx, rd, rs, (ctx->opcode >> 18) & 0x7,
(ctx->opcode >> 16) & 1);
} else {
generate_exception_err(ctx, EXCP_CpU, 1);
}
break;
#if defined(TARGET_MIPS64)
/* MIPS64 specific opcodes */
case OPC_DSLL:
case OPC_DSRA:
case OPC_DSLL32:
case OPC_DSRA32:
check_insn(ctx, ISA_MIPS3);
check_mips_64(ctx);
gen_shift_imm(ctx, op1, rd, rt, sa);
break;
case OPC_DSRL:
switch ((ctx->opcode >> 21) & 0x1f) {
case 1:
/* drotr is decoded as dsrl on non-R2 CPUs */
if (ctx->insn_flags & ISA_MIPS32R2) {
op1 = OPC_DROTR;
}
/* Fallthrough */
case 0:
check_insn(ctx, ISA_MIPS3);
check_mips_64(ctx);
gen_shift_imm(ctx, op1, rd, rt, sa);
break;
default:
generate_exception(ctx, EXCP_RI);
break;
}
break;
case OPC_DSRL32:
switch ((ctx->opcode >> 21) & 0x1f) {
case 1:
/* drotr32 is decoded as dsrl32 on non-R2 CPUs */
if (ctx->insn_flags & ISA_MIPS32R2) {
op1 = OPC_DROTR32;
}
/* Fallthrough */
case 0:
check_insn(ctx, ISA_MIPS3);
check_mips_64(ctx);
gen_shift_imm(ctx, op1, rd, rt, sa);
break;
default:
generate_exception(ctx, EXCP_RI);
break;
}
break;
case OPC_DADD ... OPC_DSUBU:
check_insn(ctx, ISA_MIPS3);
check_mips_64(ctx);
gen_arith(ctx, op1, rd, rs, rt);
break;
case OPC_DSLLV:
case OPC_DSRAV:
check_insn(ctx, ISA_MIPS3);
check_mips_64(ctx);
gen_shift(ctx, op1, rd, rs, rt);
break;
case OPC_DSRLV:
switch ((ctx->opcode >> 6) & 0x1f) {
case 1:
/* drotrv is decoded as dsrlv on non-R2 CPUs */
if (ctx->insn_flags & ISA_MIPS32R2) {
op1 = OPC_DROTRV;
}
/* Fallthrough */
case 0:
check_insn(ctx, ISA_MIPS3);
check_mips_64(ctx);
gen_shift(ctx, op1, rd, rs, rt);
break;
default:
generate_exception(ctx, EXCP_RI);
break;
}
break;
case OPC_DMULT ... OPC_DDIVU:
check_insn(ctx, ISA_MIPS3);
check_mips_64(ctx);
gen_muldiv(ctx, op1, rs, rt);
break;
#endif
default: /* Invalid */
MIPS_INVAL("special");
generate_exception(ctx, EXCP_RI);
break;
}
break;
case OPC_SPECIAL2:
op1 = MASK_SPECIAL2(ctx->opcode);
switch (op1) {
case OPC_MADD ... OPC_MADDU: /* Multiply and add/sub */
case OPC_MSUB ... OPC_MSUBU:
check_insn(ctx, ISA_MIPS32);
gen_muldiv(ctx, op1, rs, rt);
break;
case OPC_MUL:
gen_arith(ctx, op1, rd, rs, rt);
break;
case OPC_CLO:
case OPC_CLZ:
check_insn(ctx, ISA_MIPS32);
gen_cl(ctx, op1, rd, rs);
break;
case OPC_SDBBP:
/* XXX: not clear which exception should be raised
* when in debug mode...
*/
check_insn(ctx, ISA_MIPS32);
if (!(ctx->hflags & MIPS_HFLAG_DM)) {
generate_exception(ctx, EXCP_DBp);
} else {
generate_exception(ctx, EXCP_DBp);
}
/* Treat as NOP. */
break;
case OPC_DIV_G_2F:
case OPC_DIVU_G_2F:
case OPC_MULT_G_2F:
case OPC_MULTU_G_2F:
case OPC_MOD_G_2F:
case OPC_MODU_G_2F:
check_insn(ctx, INSN_LOONGSON2F);
gen_loongson_integer(ctx, op1, rd, rs, rt);
break;
#if defined(TARGET_MIPS64)
case OPC_DCLO:
case OPC_DCLZ:
check_insn(ctx, ISA_MIPS64);
check_mips_64(ctx);
gen_cl(ctx, op1, rd, rs);
break;
case OPC_DMULT_G_2F:
case OPC_DMULTU_G_2F:
case OPC_DDIV_G_2F:
case OPC_DDIVU_G_2F:
case OPC_DMOD_G_2F:
case OPC_DMODU_G_2F:
check_insn(ctx, INSN_LOONGSON2F);
gen_loongson_integer(ctx, op1, rd, rs, rt);
break;
#endif
default: /* Invalid */
MIPS_INVAL("special2");
generate_exception(ctx, EXCP_RI);
break;
}
break;
case OPC_SPECIAL3:
op1 = MASK_SPECIAL3(ctx->opcode);
switch (op1) {
case OPC_EXT:
case OPC_INS:
check_insn(ctx, ISA_MIPS32R2);
gen_bitops(ctx, op1, rt, rs, sa, rd);
break;
case OPC_BSHFL:
check_insn(ctx, ISA_MIPS32R2);
op2 = MASK_BSHFL(ctx->opcode);
gen_bshfl(ctx, op2, rt, rd);
break;
case OPC_RDHWR:
gen_rdhwr(ctx, rt, rd);
break;
case OPC_FORK:
check_insn(ctx, ASE_MT);
{
TCGv t0 = tcg_temp_new();
TCGv t1 = tcg_temp_new();
gen_load_gpr(t0, rt);
gen_load_gpr(t1, rs);
gen_helper_fork(t0, t1);
tcg_temp_free(t0);
tcg_temp_free(t1);
}
break;
case OPC_YIELD:
check_insn(ctx, ASE_MT);
{
TCGv t0 = tcg_temp_new();
save_cpu_state(ctx, 1);
gen_load_gpr(t0, rs);
gen_helper_yield(t0, cpu_env, t0);
gen_store_gpr(t0, rd);
tcg_temp_free(t0);
}
break;
case OPC_DIV_G_2E ... OPC_DIVU_G_2E:
case OPC_MOD_G_2E ... OPC_MODU_G_2E:
case OPC_MULT_G_2E ... OPC_MULTU_G_2E:
/* OPC_MULT_G_2E, OPC_ADDUH_QB_DSP, OPC_MUL_PH_DSP have
* the same mask and op1. */
if ((ctx->insn_flags & ASE_DSPR2) && (op1 == OPC_MULT_G_2E)) {
op2 = MASK_ADDUH_QB(ctx->opcode);
switch (op2) {
case OPC_ADDUH_QB:
case OPC_ADDUH_R_QB:
case OPC_ADDQH_PH:
case OPC_ADDQH_R_PH:
case OPC_ADDQH_W:
case OPC_ADDQH_R_W:
case OPC_SUBUH_QB:
case OPC_SUBUH_R_QB:
case OPC_SUBQH_PH:
case OPC_SUBQH_R_PH:
case OPC_SUBQH_W:
case OPC_SUBQH_R_W:
gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt);
break;
case OPC_MUL_PH:
case OPC_MUL_S_PH:
case OPC_MULQ_S_W:
case OPC_MULQ_RS_W:
gen_mipsdsp_multiply(ctx, op1, op2, rd, rs, rt, 1);
break;
default:
MIPS_INVAL("MASK ADDUH.QB");
generate_exception(ctx, EXCP_RI);
break;
}
} else if (ctx->insn_flags & INSN_LOONGSON2E) {
gen_loongson_integer(ctx, op1, rd, rs, rt);
} else {
generate_exception(ctx, EXCP_RI);
}
break;
case OPC_LX_DSP:
op2 = MASK_LX(ctx->opcode);
switch (op2) {
#if defined(TARGET_MIPS64)
case OPC_LDX:
#endif
case OPC_LBUX:
case OPC_LHX:
case OPC_LWX:
gen_mipsdsp_ld(ctx, op2, rd, rs, rt);
break;
default: /* Invalid */
MIPS_INVAL("MASK LX");
generate_exception(ctx, EXCP_RI);
break;
}
break;
case OPC_ABSQ_S_PH_DSP:
op2 = MASK_ABSQ_S_PH(ctx->opcode);
switch (op2) {
case OPC_ABSQ_S_QB:
case OPC_ABSQ_S_PH:
case OPC_ABSQ_S_W:
case OPC_PRECEQ_W_PHL:
case OPC_PRECEQ_W_PHR:
case OPC_PRECEQU_PH_QBL:
case OPC_PRECEQU_PH_QBR:
case OPC_PRECEQU_PH_QBLA:
case OPC_PRECEQU_PH_QBRA:
case OPC_PRECEU_PH_QBL:
case OPC_PRECEU_PH_QBR:
case OPC_PRECEU_PH_QBLA:
case OPC_PRECEU_PH_QBRA:
gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt);
break;
case OPC_BITREV:
case OPC_REPL_QB:
case OPC_REPLV_QB:
case OPC_REPL_PH:
case OPC_REPLV_PH:
gen_mipsdsp_bitinsn(ctx, op1, op2, rd, rt);
break;
default:
MIPS_INVAL("MASK ABSQ_S.PH");
generate_exception(ctx, EXCP_RI);
break;
}
break;
case OPC_ADDU_QB_DSP:
op2 = MASK_ADDU_QB(ctx->opcode);
switch (op2) {
case OPC_ADDQ_PH:
case OPC_ADDQ_S_PH:
case OPC_ADDQ_S_W:
case OPC_ADDU_QB:
case OPC_ADDU_S_QB:
case OPC_ADDU_PH:
case OPC_ADDU_S_PH:
case OPC_SUBQ_PH:
case OPC_SUBQ_S_PH:
case OPC_SUBQ_S_W:
case OPC_SUBU_QB:
case OPC_SUBU_S_QB:
case OPC_SUBU_PH:
case OPC_SUBU_S_PH:
case OPC_ADDSC:
case OPC_ADDWC:
case OPC_MODSUB:
case OPC_RADDU_W_QB:
gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt);
break;
case OPC_MULEU_S_PH_QBL:
case OPC_MULEU_S_PH_QBR:
case OPC_MULQ_RS_PH:
case OPC_MULEQ_S_W_PHL:
case OPC_MULEQ_S_W_PHR:
case OPC_MULQ_S_PH:
gen_mipsdsp_multiply(ctx, op1, op2, rd, rs, rt, 1);
break;
default: /* Invalid */
MIPS_INVAL("MASK ADDU.QB");
generate_exception(ctx, EXCP_RI);
break;
}
break;
case OPC_CMPU_EQ_QB_DSP:
op2 = MASK_CMPU_EQ_QB(ctx->opcode);
switch (op2) {
case OPC_PRECR_SRA_PH_W:
case OPC_PRECR_SRA_R_PH_W:
gen_mipsdsp_arith(ctx, op1, op2, rt, rs, rd);
break;
case OPC_PRECR_QB_PH:
case OPC_PRECRQ_QB_PH:
case OPC_PRECRQ_PH_W:
case OPC_PRECRQ_RS_PH_W:
case OPC_PRECRQU_S_QB_PH:
gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt);
break;
case OPC_CMPU_EQ_QB:
case OPC_CMPU_LT_QB:
case OPC_CMPU_LE_QB:
case OPC_CMP_EQ_PH:
case OPC_CMP_LT_PH:
case OPC_CMP_LE_PH:
gen_mipsdsp_add_cmp_pick(ctx, op1, op2, rd, rs, rt, 0);
break;
case OPC_CMPGU_EQ_QB:
case OPC_CMPGU_LT_QB:
case OPC_CMPGU_LE_QB:
case OPC_CMPGDU_EQ_QB:
case OPC_CMPGDU_LT_QB:
case OPC_CMPGDU_LE_QB:
case OPC_PICK_QB:
case OPC_PICK_PH:
case OPC_PACKRL_PH:
gen_mipsdsp_add_cmp_pick(ctx, op1, op2, rd, rs, rt, 1);
break;
default: /* Invalid */
MIPS_INVAL("MASK CMPU.EQ.QB");
generate_exception(ctx, EXCP_RI);
break;
}
break;
case OPC_SHLL_QB_DSP:
gen_mipsdsp_shift(ctx, op1, rd, rs, rt);
break;
case OPC_DPA_W_PH_DSP:
op2 = MASK_DPA_W_PH(ctx->opcode);
switch (op2) {
case OPC_DPAU_H_QBL:
case OPC_DPAU_H_QBR:
case OPC_DPSU_H_QBL:
case OPC_DPSU_H_QBR:
case OPC_DPA_W_PH:
case OPC_DPAX_W_PH:
case OPC_DPAQ_S_W_PH:
case OPC_DPAQX_S_W_PH:
case OPC_DPAQX_SA_W_PH:
case OPC_DPS_W_PH:
case OPC_DPSX_W_PH:
case OPC_DPSQ_S_W_PH:
case OPC_DPSQX_S_W_PH:
case OPC_DPSQX_SA_W_PH:
case OPC_MULSAQ_S_W_PH:
case OPC_DPAQ_SA_L_W:
case OPC_DPSQ_SA_L_W:
case OPC_MAQ_S_W_PHL:
case OPC_MAQ_S_W_PHR:
case OPC_MAQ_SA_W_PHL:
case OPC_MAQ_SA_W_PHR:
case OPC_MULSA_W_PH:
gen_mipsdsp_multiply(ctx, op1, op2, rd, rs, rt, 0);
break;
default: /* Invalid */
MIPS_INVAL("MASK DPAW.PH");
generate_exception(ctx, EXCP_RI);
break;
}
break;
case OPC_INSV_DSP:
op2 = MASK_INSV(ctx->opcode);
switch (op2) {
case OPC_INSV:
check_dsp(ctx);
{
TCGv t0, t1;
if (rt == 0) {
MIPS_DEBUG("NOP");
break;
}
t0 = tcg_temp_new();
t1 = tcg_temp_new();
gen_load_gpr(t0, rt);
gen_load_gpr(t1, rs);
gen_helper_insv(cpu_gpr[rt], cpu_env, t1, t0);
tcg_temp_free(t0);
tcg_temp_free(t1);
break;
}
default: /* Invalid */
MIPS_INVAL("MASK INSV");
generate_exception(ctx, EXCP_RI);
break;
}
break;
case OPC_APPEND_DSP:
check_dspr2(ctx);
op2 = MASK_APPEND(ctx->opcode);
gen_mipsdsp_add_cmp_pick(ctx, op1, op2, rt, rs, rd, 1);
break;
case OPC_EXTR_W_DSP:
op2 = MASK_EXTR_W(ctx->opcode);
switch (op2) {
case OPC_EXTR_W:
case OPC_EXTR_R_W:
case OPC_EXTR_RS_W:
case OPC_EXTR_S_H:
case OPC_EXTRV_S_H:
case OPC_EXTRV_W:
case OPC_EXTRV_R_W:
case OPC_EXTRV_RS_W:
case OPC_EXTP:
case OPC_EXTPV:
case OPC_EXTPDP:
case OPC_EXTPDPV:
gen_mipsdsp_accinsn(ctx, op1, op2, rt, rs, rd, 1);
break;
case OPC_RDDSP:
gen_mipsdsp_accinsn(ctx, op1, op2, rd, rs, rt, 1);
break;
case OPC_SHILO:
case OPC_SHILOV:
case OPC_MTHLIP:
case OPC_WRDSP:
gen_mipsdsp_accinsn(ctx, op1, op2, rd, rs, rt, 0);
break;
default: /* Invalid */
MIPS_INVAL("MASK EXTR.W");
generate_exception(ctx, EXCP_RI);
break;
}
break;
#if defined(TARGET_MIPS64)
case OPC_DEXTM ... OPC_DEXT:
case OPC_DINSM ... OPC_DINS:
check_insn(ctx, ISA_MIPS64R2);
check_mips_64(ctx);
gen_bitops(ctx, op1, rt, rs, sa, rd);
break;
case OPC_DBSHFL:
check_insn(ctx, ISA_MIPS64R2);
check_mips_64(ctx);
op2 = MASK_DBSHFL(ctx->opcode);
gen_bshfl(ctx, op2, rt, rd);
break;
case OPC_DDIV_G_2E ... OPC_DDIVU_G_2E:
case OPC_DMULT_G_2E ... OPC_DMULTU_G_2E:
case OPC_DMOD_G_2E ... OPC_DMODU_G_2E:
check_insn(ctx, INSN_LOONGSON2E);
gen_loongson_integer(ctx, op1, rd, rs, rt);
break;
case OPC_ABSQ_S_QH_DSP:
op2 = MASK_ABSQ_S_QH(ctx->opcode);
switch (op2) {
case OPC_PRECEQ_L_PWL:
case OPC_PRECEQ_L_PWR:
case OPC_PRECEQ_PW_QHL:
case OPC_PRECEQ_PW_QHR:
case OPC_PRECEQ_PW_QHLA:
case OPC_PRECEQ_PW_QHRA:
case OPC_PRECEQU_QH_OBL:
case OPC_PRECEQU_QH_OBR:
case OPC_PRECEQU_QH_OBLA:
case OPC_PRECEQU_QH_OBRA:
case OPC_PRECEU_QH_OBL:
case OPC_PRECEU_QH_OBR:
case OPC_PRECEU_QH_OBLA:
case OPC_PRECEU_QH_OBRA:
case OPC_ABSQ_S_OB:
case OPC_ABSQ_S_PW:
case OPC_ABSQ_S_QH:
gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt);
break;
case OPC_REPL_OB:
case OPC_REPL_PW:
case OPC_REPL_QH:
case OPC_REPLV_OB:
case OPC_REPLV_PW:
case OPC_REPLV_QH:
gen_mipsdsp_bitinsn(ctx, op1, op2, rd, rt);
break;
default: /* Invalid */
MIPS_INVAL("MASK ABSQ_S.QH");
generate_exception(ctx, EXCP_RI);
break;
}
break;
case OPC_ADDU_OB_DSP:
op2 = MASK_ADDU_OB(ctx->opcode);
switch (op2) {
case OPC_RADDU_L_OB:
case OPC_SUBQ_PW:
case OPC_SUBQ_S_PW:
case OPC_SUBQ_QH:
case OPC_SUBQ_S_QH:
case OPC_SUBU_OB:
case OPC_SUBU_S_OB:
case OPC_SUBU_QH:
case OPC_SUBU_S_QH:
case OPC_SUBUH_OB:
case OPC_SUBUH_R_OB:
case OPC_ADDQ_PW:
case OPC_ADDQ_S_PW:
case OPC_ADDQ_QH:
case OPC_ADDQ_S_QH:
case OPC_ADDU_OB:
case OPC_ADDU_S_OB:
case OPC_ADDU_QH:
case OPC_ADDU_S_QH:
case OPC_ADDUH_OB:
case OPC_ADDUH_R_OB:
gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt);
break;
case OPC_MULEQ_S_PW_QHL:
case OPC_MULEQ_S_PW_QHR:
case OPC_MULEU_S_QH_OBL:
case OPC_MULEU_S_QH_OBR:
case OPC_MULQ_RS_QH:
gen_mipsdsp_multiply(ctx, op1, op2, rd, rs, rt, 1);
break;
default: /* Invalid */
MIPS_INVAL("MASK ADDU.OB");
generate_exception(ctx, EXCP_RI);
break;
}
break;
case OPC_CMPU_EQ_OB_DSP:
op2 = MASK_CMPU_EQ_OB(ctx->opcode);
switch (op2) {
case OPC_PRECR_SRA_QH_PW:
case OPC_PRECR_SRA_R_QH_PW:
/* Return value is rt. */
gen_mipsdsp_arith(ctx, op1, op2, rt, rs, rd);
break;
case OPC_PRECR_OB_QH:
case OPC_PRECRQ_OB_QH:
case OPC_PRECRQ_PW_L:
case OPC_PRECRQ_QH_PW:
case OPC_PRECRQ_RS_QH_PW:
case OPC_PRECRQU_S_OB_QH:
gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt);
break;
case OPC_CMPU_EQ_OB:
case OPC_CMPU_LT_OB:
case OPC_CMPU_LE_OB:
case OPC_CMP_EQ_QH:
case OPC_CMP_LT_QH:
case OPC_CMP_LE_QH:
case OPC_CMP_EQ_PW:
case OPC_CMP_LT_PW:
case OPC_CMP_LE_PW:
gen_mipsdsp_add_cmp_pick(ctx, op1, op2, rd, rs, rt, 0);
break;
case OPC_CMPGDU_EQ_OB:
case OPC_CMPGDU_LT_OB:
case OPC_CMPGDU_LE_OB:
case OPC_CMPGU_EQ_OB:
case OPC_CMPGU_LT_OB:
case OPC_CMPGU_LE_OB:
case OPC_PACKRL_PW:
case OPC_PICK_OB:
case OPC_PICK_PW:
case OPC_PICK_QH:
gen_mipsdsp_add_cmp_pick(ctx, op1, op2, rd, rs, rt, 1);
break;
default: /* Invalid */
MIPS_INVAL("MASK CMPU_EQ.OB");
generate_exception(ctx, EXCP_RI);
break;
}
break;
case OPC_DAPPEND_DSP:
check_dspr2(ctx);
op2 = MASK_DAPPEND(ctx->opcode);
gen_mipsdsp_add_cmp_pick(ctx, op1, op2, rt, rs, rd, 1);
break;
case OPC_DEXTR_W_DSP:
op2 = MASK_DEXTR_W(ctx->opcode);
switch (op2) {
case OPC_DEXTP:
case OPC_DEXTPDP:
case OPC_DEXTPDPV:
case OPC_DEXTPV:
case OPC_DEXTR_L:
case OPC_DEXTR_R_L:
case OPC_DEXTR_RS_L:
case OPC_DEXTR_W:
case OPC_DEXTR_R_W:
case OPC_DEXTR_RS_W:
case OPC_DEXTR_S_H:
case OPC_DEXTRV_L:
case OPC_DEXTRV_R_L:
case OPC_DEXTRV_RS_L:
case OPC_DEXTRV_S_H:
case OPC_DEXTRV_W:
case OPC_DEXTRV_R_W:
case OPC_DEXTRV_RS_W:
gen_mipsdsp_accinsn(ctx, op1, op2, rt, rs, rd, 1);
break;
case OPC_DMTHLIP:
case OPC_DSHILO:
case OPC_DSHILOV:
gen_mipsdsp_accinsn(ctx, op1, op2, rd, rs, rt, 0);
break;
default: /* Invalid */
MIPS_INVAL("MASK EXTR.W");
generate_exception(ctx, EXCP_RI);
break;
}
break;
case OPC_DPAQ_W_QH_DSP:
op2 = MASK_DPAQ_W_QH(ctx->opcode);
switch (op2) {
case OPC_DPAU_H_OBL:
case OPC_DPAU_H_OBR:
case OPC_DPSU_H_OBL:
case OPC_DPSU_H_OBR:
case OPC_DPA_W_QH:
case OPC_DPAQ_S_W_QH:
case OPC_DPS_W_QH:
case OPC_DPSQ_S_W_QH:
case OPC_MULSAQ_S_W_QH:
case OPC_DPAQ_SA_L_PW:
case OPC_DPSQ_SA_L_PW:
case OPC_MULSAQ_S_L_PW:
gen_mipsdsp_multiply(ctx, op1, op2, rd, rs, rt, 0);
break;
case OPC_MAQ_S_W_QHLL:
case OPC_MAQ_S_W_QHLR:
case OPC_MAQ_S_W_QHRL:
case OPC_MAQ_S_W_QHRR:
case OPC_MAQ_SA_W_QHLL:
case OPC_MAQ_SA_W_QHLR:
case OPC_MAQ_SA_W_QHRL:
case OPC_MAQ_SA_W_QHRR:
case OPC_MAQ_S_L_PWL:
case OPC_MAQ_S_L_PWR:
case OPC_DMADD:
case OPC_DMADDU:
case OPC_DMSUB:
case OPC_DMSUBU:
gen_mipsdsp_multiply(ctx, op1, op2, rd, rs, rt, 0);
break;
default: /* Invalid */
MIPS_INVAL("MASK DPAQ.W.QH");
generate_exception(ctx, EXCP_RI);
break;
}
break;
case OPC_DINSV_DSP:
op2 = MASK_INSV(ctx->opcode);
switch (op2) {
case OPC_DINSV:
{
TCGv t0, t1;
if (rt == 0) {
MIPS_DEBUG("NOP");
break;
}
check_dsp(ctx);
t0 = tcg_temp_new();
t1 = tcg_temp_new();
gen_load_gpr(t0, rt);
gen_load_gpr(t1, rs);
gen_helper_dinsv(cpu_gpr[rt], cpu_env, t1, t0);
break;
}
default: /* Invalid */
MIPS_INVAL("MASK DINSV");
generate_exception(ctx, EXCP_RI);
break;
}
break;
case OPC_SHLL_OB_DSP:
gen_mipsdsp_shift(ctx, op1, rd, rs, rt);
break;
#endif
default: /* Invalid */
MIPS_INVAL("special3");
generate_exception(ctx, EXCP_RI);
break;
}
break;
case OPC_REGIMM:
op1 = MASK_REGIMM(ctx->opcode);
switch (op1) {
case OPC_BLTZ ... OPC_BGEZL: /* REGIMM branches */
case OPC_BLTZAL ... OPC_BGEZALL:
gen_compute_branch(ctx, op1, 4, rs, -1, imm << 2);
*is_branch = 1;
break;
case OPC_TGEI ... OPC_TEQI: /* REGIMM traps */
case OPC_TNEI:
gen_trap(ctx, op1, rs, -1, imm);
break;
case OPC_SYNCI:
check_insn(ctx, ISA_MIPS32R2);
/* Treat as NOP. */
break;
case OPC_BPOSGE32: /* MIPS DSP branch */
#if defined(TARGET_MIPS64)
case OPC_BPOSGE64:
#endif
check_dsp(ctx);
gen_compute_branch(ctx, op1, 4, -1, -2, (int32_t)imm << 2);
*is_branch = 1;
break;
default: /* Invalid */
MIPS_INVAL("regimm");
generate_exception(ctx, EXCP_RI);
break;
}
break;
case OPC_CP0:
check_cp0_enabled(ctx);
op1 = MASK_CP0(ctx->opcode);
switch (op1) {
case OPC_MFC0:
case OPC_MTC0:
case OPC_MFTR:
case OPC_MTTR:
#if defined(TARGET_MIPS64)
case OPC_DMFC0:
case OPC_DMTC0:
#endif
#ifndef CONFIG_USER_ONLY
gen_cp0(env, ctx, op1, rt, rd);
#endif /* !CONFIG_USER_ONLY */
break;
case OPC_C0_FIRST ... OPC_C0_LAST:
#ifndef CONFIG_USER_ONLY
gen_cp0(env, ctx, MASK_C0(ctx->opcode), rt, rd);
#endif /* !CONFIG_USER_ONLY */
break;
case OPC_MFMC0:
#ifndef CONFIG_USER_ONLY
{
TCGv t0 = tcg_temp_new();
op2 = MASK_MFMC0(ctx->opcode);
switch (op2) {
case OPC_DMT:
check_insn(ctx, ASE_MT);
gen_helper_dmt(t0);
gen_store_gpr(t0, rt);
break;
case OPC_EMT:
check_insn(ctx, ASE_MT);
gen_helper_emt(t0);
gen_store_gpr(t0, rt);
break;
case OPC_DVPE:
check_insn(ctx, ASE_MT);
gen_helper_dvpe(t0, cpu_env);
gen_store_gpr(t0, rt);
break;
case OPC_EVPE:
check_insn(ctx, ASE_MT);
gen_helper_evpe(t0, cpu_env);
gen_store_gpr(t0, rt);
break;
case OPC_DI:
check_insn(ctx, ISA_MIPS32R2);
save_cpu_state(ctx, 1);
gen_helper_di(t0, cpu_env);
gen_store_gpr(t0, rt);
/* Stop translation as we may have switched the execution mode */
ctx->bstate = BS_STOP;
break;
case OPC_EI:
check_insn(ctx, ISA_MIPS32R2);
save_cpu_state(ctx, 1);
gen_helper_ei(t0, cpu_env);
gen_store_gpr(t0, rt);
/* Stop translation as we may have switched the execution mode */
ctx->bstate = BS_STOP;
break;
default: /* Invalid */
MIPS_INVAL("mfmc0");
generate_exception(ctx, EXCP_RI);
break;
}
tcg_temp_free(t0);
}
#endif /* !CONFIG_USER_ONLY */
break;
case OPC_RDPGPR:
check_insn(ctx, ISA_MIPS32R2);
gen_load_srsgpr(rt, rd);
break;
case OPC_WRPGPR:
check_insn(ctx, ISA_MIPS32R2);
gen_store_srsgpr(rt, rd);
break;
default:
MIPS_INVAL("cp0");
generate_exception(ctx, EXCP_RI);
break;
}
break;
case OPC_ADDI: /* Arithmetic with immediate opcode */
case OPC_ADDIU:
gen_arith_imm(ctx, op, rt, rs, imm);
break;
case OPC_SLTI: /* Set on less than with immediate opcode */
case OPC_SLTIU:
gen_slt_imm(ctx, op, rt, rs, imm);
break;
case OPC_ANDI: /* Arithmetic with immediate opcode */
case OPC_LUI:
case OPC_ORI:
case OPC_XORI:
gen_logic_imm(ctx, op, rt, rs, imm);
break;
case OPC_J ... OPC_JAL: /* Jump */
offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2;
gen_compute_branch(ctx, op, 4, rs, rt, offset);
*is_branch = 1;
break;
case OPC_BEQ ... OPC_BGTZ: /* Branch */
case OPC_BEQL ... OPC_BGTZL:
gen_compute_branch(ctx, op, 4, rs, rt, imm << 2);
*is_branch = 1;
break;
case OPC_LB ... OPC_LWR: /* Load and stores */
case OPC_LL:
gen_ld(ctx, op, rt, rs, imm);
break;
case OPC_SB ... OPC_SW:
case OPC_SWR:
gen_st(ctx, op, rt, rs, imm);
break;
case OPC_SC:
gen_st_cond(ctx, op, rt, rs, imm);
break;
case OPC_CACHE:
check_cp0_enabled(ctx);
check_insn(ctx, ISA_MIPS3 | ISA_MIPS32);
/* Treat as NOP. */
break;
case OPC_PREF:
check_insn(ctx, ISA_MIPS4 | ISA_MIPS32);
/* Treat as NOP. */
break;
/* Floating point (COP1). */
case OPC_LWC1:
case OPC_LDC1:
case OPC_SWC1:
case OPC_SDC1:
gen_cop1_ldst(env, ctx, op, rt, rs, imm);
break;
case OPC_CP1:
if (env->CP0_Config1 & (1 << CP0C1_FP)) {
check_cp1_enabled(ctx);
op1 = MASK_CP1(ctx->opcode);
switch (op1) {
case OPC_MFHC1:
case OPC_MTHC1:
check_insn(ctx, ISA_MIPS32R2);
case OPC_MFC1:
case OPC_CFC1:
case OPC_MTC1:
case OPC_CTC1:
gen_cp1(ctx, op1, rt, rd);
break;
#if defined(TARGET_MIPS64)
case OPC_DMFC1:
case OPC_DMTC1:
check_insn(ctx, ISA_MIPS3);
gen_cp1(ctx, op1, rt, rd);
break;
#endif
case OPC_BC1ANY2:
case OPC_BC1ANY4:
check_cop1x(ctx);
check_insn(ctx, ASE_MIPS3D);
/* fall through */
case OPC_BC1:
gen_compute_branch1(ctx, MASK_BC1(ctx->opcode),
(rt >> 2) & 0x7, imm << 2);
*is_branch = 1;
break;
case OPC_S_FMT:
case OPC_D_FMT:
case OPC_W_FMT:
case OPC_L_FMT:
case OPC_PS_FMT:
gen_farith(ctx, ctx->opcode & FOP(0x3f, 0x1f), rt, rd, sa,
(imm >> 8) & 0x7);
break;
default:
MIPS_INVAL("cp1");
generate_exception (ctx, EXCP_RI);
break;
}
} else {
generate_exception_err(ctx, EXCP_CpU, 1);
}
break;
/* COP2. */
case OPC_LWC2:
case OPC_LDC2:
case OPC_SWC2:
case OPC_SDC2:
/* COP2: Not implemented. */
generate_exception_err(ctx, EXCP_CpU, 2);
break;
case OPC_CP2:
check_insn(ctx, INSN_LOONGSON2F);
/* Note that these instructions use different fields. */
gen_loongson_multimedia(ctx, sa, rd, rt);
break;
case OPC_CP3:
if (env->CP0_Config1 & (1 << CP0C1_FP)) {
check_cp1_enabled(ctx);
op1 = MASK_CP3(ctx->opcode);
switch (op1) {
case OPC_LWXC1:
case OPC_LDXC1:
case OPC_LUXC1:
case OPC_SWXC1:
case OPC_SDXC1:
case OPC_SUXC1:
gen_flt3_ldst(ctx, op1, sa, rd, rs, rt);
break;
case OPC_PREFX:
/* Treat as NOP. */
break;
case OPC_ALNV_PS:
case OPC_MADD_S:
case OPC_MADD_D:
case OPC_MADD_PS:
case OPC_MSUB_S:
case OPC_MSUB_D:
case OPC_MSUB_PS:
case OPC_NMADD_S:
case OPC_NMADD_D:
case OPC_NMADD_PS:
case OPC_NMSUB_S:
case OPC_NMSUB_D:
case OPC_NMSUB_PS:
gen_flt3_arith(ctx, op1, sa, rs, rd, rt);
break;
default:
MIPS_INVAL("cp3");
generate_exception (ctx, EXCP_RI);
break;
}
} else {
generate_exception_err(ctx, EXCP_CpU, 1);
}
break;
#if defined(TARGET_MIPS64)
/* MIPS64 opcodes */
case OPC_LWU:
case OPC_LDL ... OPC_LDR:
case OPC_LLD:
case OPC_LD:
check_insn(ctx, ISA_MIPS3);
check_mips_64(ctx);
gen_ld(ctx, op, rt, rs, imm);
break;
case OPC_SDL ... OPC_SDR:
case OPC_SD:
check_insn(ctx, ISA_MIPS3);
check_mips_64(ctx);
gen_st(ctx, op, rt, rs, imm);
break;
case OPC_SCD:
check_insn(ctx, ISA_MIPS3);
check_mips_64(ctx);
gen_st_cond(ctx, op, rt, rs, imm);
break;
case OPC_DADDI:
case OPC_DADDIU:
check_insn(ctx, ISA_MIPS3);
check_mips_64(ctx);
gen_arith_imm(ctx, op, rt, rs, imm);
break;
#endif
case OPC_JALX:
check_insn(ctx, ASE_MIPS16 | ASE_MICROMIPS);
offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2;
gen_compute_branch(ctx, op, 4, rs, rt, offset);
*is_branch = 1;
break;
case OPC_MDMX:
check_insn(ctx, ASE_MDMX);
/* MDMX: Not implemented. */
default: /* Invalid */
MIPS_INVAL("major opcode");
generate_exception(ctx, EXCP_RI);
break;
}
}
| 18,589 |
qemu | 158c6492571c82c5632070c7ccee36b3dffd3ca9 | 0 | static void stream_complete(BlockJob *job, void *opaque)
{
StreamBlockJob *s = container_of(job, StreamBlockJob, common);
StreamCompleteData *data = opaque;
BlockDriverState *bs = blk_bs(job->blk);
BlockDriverState *base = s->base;
Error *local_err = NULL;
if (!block_job_is_cancelled(&s->common) && data->reached_end &&
data->ret == 0) {
const char *base_id = NULL, *base_fmt = NULL;
if (base) {
base_id = s->backing_file_str;
if (base->drv) {
base_fmt = base->drv->format_name;
}
}
data->ret = bdrv_change_backing_file(bs, base_id, base_fmt);
bdrv_set_backing_hd(bs, base, &local_err);
if (local_err) {
error_report_err(local_err);
data->ret = -EPERM;
goto out;
}
}
out:
/* Reopen the image back in read-only mode if necessary */
if (s->bs_flags != bdrv_get_flags(bs)) {
/* Give up write permissions before making it read-only */
blk_set_perm(job->blk, 0, BLK_PERM_ALL, &error_abort);
bdrv_reopen(bs, s->bs_flags, NULL);
}
g_free(s->backing_file_str);
block_job_completed(&s->common, data->ret);
g_free(data);
}
| 18,590 |
qemu | 153859be1a0928d07ec2dc2b18847e32e180ff43 | 0 | static void img_snapshot(int argc, char **argv)
{
BlockDriverState *bs;
QEMUSnapshotInfo sn;
char *filename, *snapshot_name = NULL;
int c, ret;
int action = 0;
qemu_timeval tv;
/* Parse commandline parameters */
for(;;) {
c = getopt(argc, argv, "la:c:d:h");
if (c == -1)
break;
switch(c) {
case 'h':
help();
return;
case 'l':
if (action) {
help();
return;
}
action = SNAPSHOT_LIST;
break;
case 'a':
if (action) {
help();
return;
}
action = SNAPSHOT_APPLY;
snapshot_name = optarg;
break;
case 'c':
if (action) {
help();
return;
}
action = SNAPSHOT_CREATE;
snapshot_name = optarg;
break;
case 'd':
if (action) {
help();
return;
}
action = SNAPSHOT_DELETE;
snapshot_name = optarg;
break;
}
}
if (optind >= argc)
help();
filename = argv[optind++];
/* Open the image */
bs = bdrv_new("");
if (!bs)
error("Not enough memory");
if (bdrv_open2(bs, filename, 0, NULL) < 0) {
error("Could not open '%s'", filename);
}
/* Perform the requested action */
switch(action) {
case SNAPSHOT_LIST:
dump_snapshots(bs);
break;
case SNAPSHOT_CREATE:
memset(&sn, 0, sizeof(sn));
pstrcpy(sn.name, sizeof(sn.name), snapshot_name);
qemu_gettimeofday(&tv);
sn.date_sec = tv.tv_sec;
sn.date_nsec = tv.tv_usec * 1000;
ret = bdrv_snapshot_create(bs, &sn);
if (ret)
error("Could not create snapshot '%s': %d (%s)",
snapshot_name, ret, strerror(-ret));
break;
case SNAPSHOT_APPLY:
ret = bdrv_snapshot_goto(bs, snapshot_name);
if (ret)
error("Could not apply snapshot '%s': %d (%s)",
snapshot_name, ret, strerror(-ret));
break;
case SNAPSHOT_DELETE:
ret = bdrv_snapshot_delete(bs, snapshot_name);
if (ret)
error("Could not delete snapshot '%s': %d (%s)",
snapshot_name, ret, strerror(-ret));
break;
}
/* Cleanup */
bdrv_delete(bs);
}
| 18,591 |
FFmpeg | d04956344d38ddd77ec61042ce57cd9021491c83 | 0 | static void pack_yuv(TiffEncoderContext * s, uint8_t * dst, int lnum)
{
AVFrame *p = &s->picture;
int i, j, k;
int w = (s->width - 1) / s->subsampling[0] + 1;
uint8_t *pu = &p->data[1][lnum / s->subsampling[1] * p->linesize[1]];
uint8_t *pv = &p->data[2][lnum / s->subsampling[1] * p->linesize[2]];
for (i = 0; i < w; i++){
for (j = 0; j < s->subsampling[1]; j++)
for (k = 0; k < s->subsampling[0]; k++)
*dst++ = p->data[0][(lnum + j) * p->linesize[0] +
i * s->subsampling[0] + k];
*dst++ = *pu++;
*dst++ = *pv++;
}
}
| 18,592 |
FFmpeg | d1adad3cca407f493c3637e20ecd4f7124e69212 | 0 | static inline void RENAME(yuv2yuvX)(SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize, const int16_t **alpSrc,
uint8_t *dest, uint8_t *uDest, uint8_t *vDest, uint8_t *aDest, long dstW, long chrDstW)
{
#if COMPILE_TEMPLATE_MMX
if(!(c->flags & SWS_BITEXACT)) {
if (c->flags & SWS_ACCURATE_RND) {
if (uDest) {
YSCALEYUV2YV12X_ACCURATE( "0", CHR_MMX_FILTER_OFFSET, uDest, chrDstW)
YSCALEYUV2YV12X_ACCURATE(AV_STRINGIFY(VOF), CHR_MMX_FILTER_OFFSET, vDest, chrDstW)
}
if (CONFIG_SWSCALE_ALPHA && aDest) {
YSCALEYUV2YV12X_ACCURATE( "0", ALP_MMX_FILTER_OFFSET, aDest, dstW)
}
YSCALEYUV2YV12X_ACCURATE("0", LUM_MMX_FILTER_OFFSET, dest, dstW)
} else {
if (uDest) {
YSCALEYUV2YV12X( "0", CHR_MMX_FILTER_OFFSET, uDest, chrDstW)
YSCALEYUV2YV12X(AV_STRINGIFY(VOF), CHR_MMX_FILTER_OFFSET, vDest, chrDstW)
}
if (CONFIG_SWSCALE_ALPHA && aDest) {
YSCALEYUV2YV12X( "0", ALP_MMX_FILTER_OFFSET, aDest, dstW)
}
YSCALEYUV2YV12X("0", LUM_MMX_FILTER_OFFSET, dest, dstW)
}
return;
}
#endif
#if COMPILE_TEMPLATE_ALTIVEC
yuv2yuvX_altivec_real(lumFilter, lumSrc, lumFilterSize,
chrFilter, chrSrc, chrFilterSize,
dest, uDest, vDest, dstW, chrDstW);
#else //COMPILE_TEMPLATE_ALTIVEC
yuv2yuvXinC(lumFilter, lumSrc, lumFilterSize,
chrFilter, chrSrc, chrFilterSize,
alpSrc, dest, uDest, vDest, aDest, dstW, chrDstW);
#endif //!COMPILE_TEMPLATE_ALTIVEC
}
| 18,593 |
qemu | 4782a23b270ecbb9ce0ca6f3f1b60857a09cef0e | 0 | static void do_svc_interrupt(CPUS390XState *env)
{
uint64_t mask, addr;
LowCore *lowcore;
hwaddr len = TARGET_PAGE_SIZE;
lowcore = cpu_physical_memory_map(env->psa, &len, 1);
lowcore->svc_code = cpu_to_be16(env->int_svc_code);
lowcore->svc_ilen = cpu_to_be16(env->int_svc_ilen);
lowcore->svc_old_psw.mask = cpu_to_be64(get_psw_mask(env));
lowcore->svc_old_psw.addr = cpu_to_be64(env->psw.addr + env->int_svc_ilen);
mask = be64_to_cpu(lowcore->svc_new_psw.mask);
addr = be64_to_cpu(lowcore->svc_new_psw.addr);
cpu_physical_memory_unmap(lowcore, len, 1, len);
load_psw(env, mask, addr);
}
| 18,594 |
qemu | 32bafa8fdd098d52fbf1102d5a5e48d29398c0aa | 0 | void qmp_blockdev_snapshot_sync(bool has_device, const char *device,
bool has_node_name, const char *node_name,
const char *snapshot_file,
bool has_snapshot_node_name,
const char *snapshot_node_name,
bool has_format, const char *format,
bool has_mode, NewImageMode mode, Error **errp)
{
BlockdevSnapshotSync snapshot = {
.has_device = has_device,
.device = (char *) device,
.has_node_name = has_node_name,
.node_name = (char *) node_name,
.snapshot_file = (char *) snapshot_file,
.has_snapshot_node_name = has_snapshot_node_name,
.snapshot_node_name = (char *) snapshot_node_name,
.has_format = has_format,
.format = (char *) format,
.has_mode = has_mode,
.mode = mode,
};
TransactionAction action = {
.type = TRANSACTION_ACTION_KIND_BLOCKDEV_SNAPSHOT_SYNC,
.u.blockdev_snapshot_sync = &snapshot,
};
blockdev_do_action(&action, errp);
}
| 18,595 |
qemu | 149f54b53b7666a3facd45e86eece60ce7d3b114 | 0 | void *address_space_map(AddressSpace *as,
hwaddr addr,
hwaddr *plen,
bool is_write)
{
AddressSpaceDispatch *d = as->dispatch;
hwaddr len = *plen;
hwaddr todo = 0;
int l;
hwaddr page;
MemoryRegionSection *section;
ram_addr_t raddr = RAM_ADDR_MAX;
ram_addr_t rlen;
void *ret;
while (len > 0) {
page = addr & TARGET_PAGE_MASK;
l = (page + TARGET_PAGE_SIZE) - addr;
if (l > len)
l = len;
section = phys_page_find(d, page >> TARGET_PAGE_BITS);
if (!(memory_region_is_ram(section->mr) && !section->readonly)) {
if (todo || bounce.buffer) {
break;
}
bounce.buffer = qemu_memalign(TARGET_PAGE_SIZE, TARGET_PAGE_SIZE);
bounce.addr = addr;
bounce.len = l;
if (!is_write) {
address_space_read(as, addr, bounce.buffer, l);
}
*plen = l;
return bounce.buffer;
}
if (!todo) {
raddr = memory_region_get_ram_addr(section->mr)
+ memory_region_section_addr(section, addr);
}
len -= l;
addr += l;
todo += l;
}
rlen = todo;
ret = qemu_ram_ptr_length(raddr, &rlen);
*plen = rlen;
return ret;
}
| 18,599 |
qemu | a8170e5e97ad17ca169c64ba87ae2f53850dab4c | 0 | static void g364fb_ctrl_write(void *opaque,
target_phys_addr_t addr,
uint64_t val,
unsigned int size)
{
G364State *s = opaque;
trace_g364fb_write(addr, val);
if (addr >= REG_CLR_PAL && addr < REG_CLR_PAL + 0x800) {
/* color palette */
int idx = (addr - REG_CLR_PAL) >> 3;
s->color_palette[idx][0] = (val >> 16) & 0xff;
s->color_palette[idx][1] = (val >> 8) & 0xff;
s->color_palette[idx][2] = val & 0xff;
g364fb_invalidate_display(s);
} else if (addr >= REG_CURS_PAT && addr < REG_CURS_PAT + 0x1000) {
/* cursor pattern */
int idx = (addr - REG_CURS_PAT) >> 3;
s->cursor[idx] = val;
g364fb_invalidate_display(s);
} else if (addr >= REG_CURS_PAL && addr < REG_CURS_PAL + 0x18) {
/* cursor palette */
int idx = (addr - REG_CURS_PAL) >> 3;
s->cursor_palette[idx][0] = (val >> 16) & 0xff;
s->cursor_palette[idx][1] = (val >> 8) & 0xff;
s->cursor_palette[idx][2] = val & 0xff;
g364fb_invalidate_display(s);
} else {
switch (addr) {
case REG_BOOT: /* Boot timing */
case 0x00108: /* Line timing: half sync */
case 0x00110: /* Line timing: back porch */
case 0x00120: /* Line timing: short display */
case 0x00128: /* Frame timing: broad pulse */
case 0x00130: /* Frame timing: v sync */
case 0x00138: /* Frame timing: v preequalise */
case 0x00140: /* Frame timing: v postequalise */
case 0x00148: /* Frame timing: v blank */
case 0x00158: /* Line timing: line time */
case 0x00160: /* Frame store: line start */
case 0x00168: /* vram cycle: mem init */
case 0x00170: /* vram cycle: transfer delay */
case 0x00200: /* vram cycle: mask register */
/* ignore */
break;
case REG_TOP:
s->top_of_screen = val;
g364fb_invalidate_display(s);
break;
case REG_DISPLAY:
s->width = val * 4;
break;
case REG_VDISPLAY:
s->height = val / 2;
break;
case REG_CTLA:
s->ctla = val;
g364fb_update_depth(s);
g364fb_invalidate_display(s);
break;
case REG_CURS_POS:
g364_invalidate_cursor_position(s);
s->cursor_position = val;
g364_invalidate_cursor_position(s);
break;
case REG_RESET:
g364fb_reset(s);
break;
default:
error_report("g364: invalid write of 0x%" PRIx64
" at [" TARGET_FMT_plx "]", val, addr);
break;
}
}
qemu_irq_lower(s->irq);
}
| 18,600 |
qemu | b9bec74bcb16519a876ec21cd5277c526a9b512d | 0 | int kvm_arch_insert_hw_breakpoint(target_ulong addr,
target_ulong len, int type)
{
switch (type) {
case GDB_BREAKPOINT_HW:
len = 1;
break;
case GDB_WATCHPOINT_WRITE:
case GDB_WATCHPOINT_ACCESS:
switch (len) {
case 1:
break;
case 2:
case 4:
case 8:
if (addr & (len - 1))
return -EINVAL;
break;
default:
return -EINVAL;
}
break;
default:
return -ENOSYS;
}
if (nb_hw_breakpoint == 4)
return -ENOBUFS;
if (find_hw_breakpoint(addr, len, type) >= 0)
return -EEXIST;
hw_breakpoint[nb_hw_breakpoint].addr = addr;
hw_breakpoint[nb_hw_breakpoint].len = len;
hw_breakpoint[nb_hw_breakpoint].type = type;
nb_hw_breakpoint++;
return 0;
}
| 18,601 |
qemu | d3b12f5dec4b27ebab58fb5797cb67bacced773b | 0 | void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
{
int i, found;
WaitObjects *w = &wait_objects;
found = 0;
for (i = 0; i < w->num; i++) {
if (w->events[i] == handle)
found = 1;
if (found) {
w->events[i] = w->events[i + 1];
w->func[i] = w->func[i + 1];
w->opaque[i] = w->opaque[i + 1];
}
}
if (found)
w->num--;
}
| 18,602 |
FFmpeg | 0d194ee51ed477f843900e657a7edbcbecdffa42 | 0 | static void vc1_interp_mc(VC1Context *v)
{
MpegEncContext *s = &v->s;
DSPContext *dsp = &v->s.dsp;
H264ChromaContext *h264chroma = &v->h264chroma;
uint8_t *srcY, *srcU, *srcV;
int dxy, mx, my, uvmx, uvmy, src_x, src_y, uvsrc_x, uvsrc_y;
int off, off_uv;
int v_edge_pos = s->v_edge_pos >> v->field_mode;
if (!v->field_mode && !v->s.next_picture.f.data[0])
return;
mx = s->mv[1][0][0];
my = s->mv[1][0][1];
uvmx = (mx + ((mx & 3) == 3)) >> 1;
uvmy = (my + ((my & 3) == 3)) >> 1;
if (v->field_mode) {
if (v->cur_field_type != v->ref_field_type[1])
my = my - 2 + 4 * v->cur_field_type;
uvmy = uvmy - 2 + 4 * v->cur_field_type;
}
if (v->fastuvmc) {
uvmx = uvmx + ((uvmx < 0) ? -(uvmx & 1) : (uvmx & 1));
uvmy = uvmy + ((uvmy < 0) ? -(uvmy & 1) : (uvmy & 1));
}
srcY = s->next_picture.f.data[0];
srcU = s->next_picture.f.data[1];
srcV = s->next_picture.f.data[2];
src_x = s->mb_x * 16 + (mx >> 2);
src_y = s->mb_y * 16 + (my >> 2);
uvsrc_x = s->mb_x * 8 + (uvmx >> 2);
uvsrc_y = s->mb_y * 8 + (uvmy >> 2);
if (v->profile != PROFILE_ADVANCED) {
src_x = av_clip( src_x, -16, s->mb_width * 16);
src_y = av_clip( src_y, -16, s->mb_height * 16);
uvsrc_x = av_clip(uvsrc_x, -8, s->mb_width * 8);
uvsrc_y = av_clip(uvsrc_y, -8, s->mb_height * 8);
} else {
src_x = av_clip( src_x, -17, s->avctx->coded_width);
src_y = av_clip( src_y, -18, s->avctx->coded_height + 1);
uvsrc_x = av_clip(uvsrc_x, -8, s->avctx->coded_width >> 1);
uvsrc_y = av_clip(uvsrc_y, -8, s->avctx->coded_height >> 1);
}
srcY += src_y * s->linesize + src_x;
srcU += uvsrc_y * s->uvlinesize + uvsrc_x;
srcV += uvsrc_y * s->uvlinesize + uvsrc_x;
if (v->field_mode && v->ref_field_type[1]) {
srcY += s->current_picture_ptr->f.linesize[0];
srcU += s->current_picture_ptr->f.linesize[1];
srcV += s->current_picture_ptr->f.linesize[2];
}
/* for grayscale we should not try to read from unknown area */
if (s->flags & CODEC_FLAG_GRAY) {
srcU = s->edge_emu_buffer + 18 * s->linesize;
srcV = s->edge_emu_buffer + 18 * s->linesize;
}
if (v->rangeredfrm || s->h_edge_pos < 22 || v_edge_pos < 22
|| (unsigned)(src_x - 1) > s->h_edge_pos - (mx & 3) - 16 - 3
|| (unsigned)(src_y - 1) > v_edge_pos - (my & 3) - 16 - 3) {
uint8_t *uvbuf = s->edge_emu_buffer + 19 * s->linesize;
srcY -= s->mspel * (1 + s->linesize);
s->vdsp.emulated_edge_mc(s->edge_emu_buffer, srcY, s->linesize,
17 + s->mspel * 2, 17 + s->mspel * 2,
src_x - s->mspel, src_y - s->mspel,
s->h_edge_pos, v_edge_pos);
srcY = s->edge_emu_buffer;
s->vdsp.emulated_edge_mc(uvbuf , srcU, s->uvlinesize, 8 + 1, 8 + 1,
uvsrc_x, uvsrc_y, s->h_edge_pos >> 1, v_edge_pos >> 1);
s->vdsp.emulated_edge_mc(uvbuf + 16, srcV, s->uvlinesize, 8 + 1, 8 + 1,
uvsrc_x, uvsrc_y, s->h_edge_pos >> 1, v_edge_pos >> 1);
srcU = uvbuf;
srcV = uvbuf + 16;
/* if we deal with range reduction we need to scale source blocks */
if (v->rangeredfrm) {
int i, j;
uint8_t *src, *src2;
src = srcY;
for (j = 0; j < 17 + s->mspel * 2; j++) {
for (i = 0; i < 17 + s->mspel * 2; i++)
src[i] = ((src[i] - 128) >> 1) + 128;
src += s->linesize;
}
src = srcU;
src2 = srcV;
for (j = 0; j < 9; j++) {
for (i = 0; i < 9; i++) {
src[i] = ((src[i] - 128) >> 1) + 128;
src2[i] = ((src2[i] - 128) >> 1) + 128;
}
src += s->uvlinesize;
src2 += s->uvlinesize;
}
}
srcY += s->mspel * (1 + s->linesize);
}
if (v->field_mode && v->second_field) {
off = s->current_picture_ptr->f.linesize[0];
off_uv = s->current_picture_ptr->f.linesize[1];
} else {
off = 0;
off_uv = 0;
}
if (s->mspel) {
dxy = ((my & 3) << 2) | (mx & 3);
v->vc1dsp.avg_vc1_mspel_pixels_tab[dxy](s->dest[0] + off , srcY , s->linesize, v->rnd);
v->vc1dsp.avg_vc1_mspel_pixels_tab[dxy](s->dest[0] + off + 8, srcY + 8, s->linesize, v->rnd);
srcY += s->linesize * 8;
v->vc1dsp.avg_vc1_mspel_pixels_tab[dxy](s->dest[0] + off + 8 * s->linesize , srcY , s->linesize, v->rnd);
v->vc1dsp.avg_vc1_mspel_pixels_tab[dxy](s->dest[0] + off + 8 * s->linesize + 8, srcY + 8, s->linesize, v->rnd);
} else { // hpel mc
dxy = (my & 2) | ((mx & 2) >> 1);
if (!v->rnd)
dsp->avg_pixels_tab[0][dxy](s->dest[0] + off, srcY, s->linesize, 16);
else
dsp->avg_no_rnd_pixels_tab[dxy](s->dest[0] + off, srcY, s->linesize, 16);
}
if (s->flags & CODEC_FLAG_GRAY) return;
/* Chroma MC always uses qpel blilinear */
uvmx = (uvmx & 3) << 1;
uvmy = (uvmy & 3) << 1;
if (!v->rnd) {
h264chroma->avg_h264_chroma_pixels_tab[0](s->dest[1] + off_uv, srcU, s->uvlinesize, 8, uvmx, uvmy);
h264chroma->avg_h264_chroma_pixels_tab[0](s->dest[2] + off_uv, srcV, s->uvlinesize, 8, uvmx, uvmy);
} else {
v->vc1dsp.avg_no_rnd_vc1_chroma_pixels_tab[0](s->dest[1] + off_uv, srcU, s->uvlinesize, 8, uvmx, uvmy);
v->vc1dsp.avg_no_rnd_vc1_chroma_pixels_tab[0](s->dest[2] + off_uv, srcV, s->uvlinesize, 8, uvmx, uvmy);
}
}
| 18,604 |
qemu | 5d1abf234462d13bef3617cc2c55b6815703ddf2 | 0 | static void s390_msi_ctrl_write(void *opaque, hwaddr addr, uint64_t data,
unsigned int size)
{
S390PCIBusDevice *pbdev;
uint32_t io_int_word;
uint32_t fid = data >> ZPCI_MSI_VEC_BITS;
uint32_t vec = data & ZPCI_MSI_VEC_MASK;
uint64_t ind_bit;
uint32_t sum_bit;
uint32_t e = 0;
DPRINTF("write_msix data 0x%" PRIx64 " fid %d vec 0x%x\n", data, fid, vec);
pbdev = s390_pci_find_dev_by_fid(fid);
if (!pbdev) {
e |= (vec << ERR_EVENT_MVN_OFFSET);
s390_pci_generate_error_event(ERR_EVENT_NOMSI, 0, fid, addr, e);
return;
}
if (!(pbdev->fh & FH_MASK_ENABLE)) {
return;
}
ind_bit = pbdev->routes.adapter.ind_offset;
sum_bit = pbdev->routes.adapter.summary_offset;
set_ind_atomic(pbdev->routes.adapter.ind_addr + (ind_bit + vec) / 8,
0x80 >> ((ind_bit + vec) % 8));
if (!set_ind_atomic(pbdev->routes.adapter.summary_addr + sum_bit / 8,
0x80 >> (sum_bit % 8))) {
io_int_word = (pbdev->isc << 27) | IO_INT_WORD_AI;
s390_io_interrupt(0, 0, 0, io_int_word);
}
}
| 18,605 |
qemu | 6744cbab8cd63b7ce72b3eee4f0055007acf0798 | 0 | static int qcow2_create2(const char *filename, int64_t total_size,
const char *backing_file, const char *backing_format,
int flags, size_t cluster_size, int prealloc,
QEMUOptionParameter *options)
{
/* Calculate cluster_bits */
int cluster_bits;
cluster_bits = ffs(cluster_size) - 1;
if (cluster_bits < MIN_CLUSTER_BITS || cluster_bits > MAX_CLUSTER_BITS ||
(1 << cluster_bits) != cluster_size)
{
error_report(
"Cluster size must be a power of two between %d and %dk",
1 << MIN_CLUSTER_BITS, 1 << (MAX_CLUSTER_BITS - 10));
return -EINVAL;
}
/*
* Open the image file and write a minimal qcow2 header.
*
* We keep things simple and start with a zero-sized image. We also
* do without refcount blocks or a L1 table for now. We'll fix the
* inconsistency later.
*
* We do need a refcount table because growing the refcount table means
* allocating two new refcount blocks - the seconds of which would be at
* 2 GB for 64k clusters, and we don't want to have a 2 GB initial file
* size for any qcow2 image.
*/
BlockDriverState* bs;
QCowHeader header;
uint8_t* refcount_table;
int ret;
ret = bdrv_create_file(filename, options);
if (ret < 0) {
return ret;
}
ret = bdrv_file_open(&bs, filename, BDRV_O_RDWR);
if (ret < 0) {
return ret;
}
/* Write the header */
memset(&header, 0, sizeof(header));
header.magic = cpu_to_be32(QCOW_MAGIC);
header.version = cpu_to_be32(QCOW_VERSION);
header.cluster_bits = cpu_to_be32(cluster_bits);
header.size = cpu_to_be64(0);
header.l1_table_offset = cpu_to_be64(0);
header.l1_size = cpu_to_be32(0);
header.refcount_table_offset = cpu_to_be64(cluster_size);
header.refcount_table_clusters = cpu_to_be32(1);
if (flags & BLOCK_FLAG_ENCRYPT) {
header.crypt_method = cpu_to_be32(QCOW_CRYPT_AES);
} else {
header.crypt_method = cpu_to_be32(QCOW_CRYPT_NONE);
}
ret = bdrv_pwrite(bs, 0, &header, sizeof(header));
if (ret < 0) {
goto out;
}
/* Write an empty refcount table */
refcount_table = g_malloc0(cluster_size);
ret = bdrv_pwrite(bs, cluster_size, refcount_table, cluster_size);
g_free(refcount_table);
if (ret < 0) {
goto out;
}
bdrv_close(bs);
/*
* And now open the image and make it consistent first (i.e. increase the
* refcount of the cluster that is occupied by the header and the refcount
* table)
*/
BlockDriver* drv = bdrv_find_format("qcow2");
assert(drv != NULL);
ret = bdrv_open(bs, filename,
BDRV_O_RDWR | BDRV_O_CACHE_WB | BDRV_O_NO_FLUSH, drv);
if (ret < 0) {
goto out;
}
ret = qcow2_alloc_clusters(bs, 2 * cluster_size);
if (ret < 0) {
goto out;
} else if (ret != 0) {
error_report("Huh, first cluster in empty image is already in use?");
abort();
}
/* Okay, now that we have a valid image, let's give it the right size */
ret = bdrv_truncate(bs, total_size * BDRV_SECTOR_SIZE);
if (ret < 0) {
goto out;
}
/* Want a backing file? There you go.*/
if (backing_file) {
ret = bdrv_change_backing_file(bs, backing_file, backing_format);
if (ret < 0) {
goto out;
}
}
/* And if we're supposed to preallocate metadata, do that now */
if (prealloc) {
ret = preallocate(bs);
if (ret < 0) {
goto out;
}
}
ret = 0;
out:
bdrv_delete(bs);
return ret;
}
| 18,606 |
qemu | 2858bc68701e282c404ed04d65d4f065e4b40e52 | 0 | static int virtio_mmio_set_guest_notifier(DeviceState *d, int n, bool assign,
bool with_irqfd)
{
VirtIOMMIOProxy *proxy = VIRTIO_MMIO(d);
VirtIODevice *vdev = virtio_bus_get_device(&proxy->bus);
VirtioDeviceClass *vdc = VIRTIO_DEVICE_GET_CLASS(vdev);
VirtQueue *vq = virtio_get_queue(vdev, n);
EventNotifier *notifier = virtio_queue_get_guest_notifier(vq);
if (assign) {
int r = event_notifier_init(notifier, 0);
if (r < 0) {
return r;
}
virtio_queue_set_guest_notifier_fd_handler(vq, true, with_irqfd);
} else {
virtio_queue_set_guest_notifier_fd_handler(vq, false, with_irqfd);
event_notifier_cleanup(notifier);
}
if (vdc->guest_notifier_mask) {
vdc->guest_notifier_mask(vdev, n, !assign);
}
return 0;
}
| 18,607 |
qemu | 0a43a1b5d7c33208120eeb2d98ebb9ab15dc2c87 | 0 | static int vhdx_open(BlockDriverState *bs, QDict *options, int flags,
Error **errp)
{
BDRVVHDXState *s = bs->opaque;
int ret = 0;
uint32_t i;
uint64_t signature;
uint32_t data_blocks_cnt, bitmap_blocks_cnt;
s->bat = NULL;
s->first_visible_write = true;
qemu_co_mutex_init(&s->lock);
/* validate the file signature */
ret = bdrv_pread(bs->file, 0, &signature, sizeof(uint64_t));
if (ret < 0) {
goto fail;
}
if (memcmp(&signature, "vhdxfile", 8)) {
ret = -EINVAL;
goto fail;
}
/* This is used for any header updates, for the file_write_guid.
* The spec dictates that a new value should be used for the first
* header update */
vhdx_guid_generate(&s->session_guid);
ret = vhdx_parse_header(bs, s);
if (ret) {
goto fail;
}
ret = vhdx_parse_log(bs, s);
if (ret) {
goto fail;
}
ret = vhdx_open_region_tables(bs, s);
if (ret) {
goto fail;
}
ret = vhdx_parse_metadata(bs, s);
if (ret) {
goto fail;
}
s->block_size = s->params.block_size;
/* the VHDX spec dictates that virtual_disk_size is always a multiple of
* logical_sector_size */
bs->total_sectors = s->virtual_disk_size >> s->logical_sector_size_bits;
data_blocks_cnt = s->virtual_disk_size >> s->block_size_bits;
if (s->virtual_disk_size - (data_blocks_cnt << s->block_size_bits)) {
data_blocks_cnt++;
}
bitmap_blocks_cnt = data_blocks_cnt >> s->chunk_ratio_bits;
if (data_blocks_cnt - (bitmap_blocks_cnt << s->chunk_ratio_bits)) {
bitmap_blocks_cnt++;
}
if (s->parent_entries) {
s->bat_entries = bitmap_blocks_cnt * (s->chunk_ratio + 1);
} else {
s->bat_entries = data_blocks_cnt +
((data_blocks_cnt - 1) >> s->chunk_ratio_bits);
}
s->bat_offset = s->bat_rt.file_offset;
if (s->bat_entries > s->bat_rt.length / sizeof(VHDXBatEntry)) {
/* BAT allocation is not large enough for all entries */
ret = -EINVAL;
goto fail;
}
/* s->bat is freed in vhdx_close() */
s->bat = qemu_blockalign(bs, s->bat_rt.length);
ret = bdrv_pread(bs->file, s->bat_offset, s->bat, s->bat_rt.length);
if (ret < 0) {
goto fail;
}
for (i = 0; i < s->bat_entries; i++) {
le64_to_cpus(&s->bat[i]);
}
if (flags & BDRV_O_RDWR) {
ret = vhdx_update_headers(bs, s, false, NULL);
if (ret < 0) {
goto fail;
}
}
/* TODO: differencing files, write */
/* Disable migration when VHDX images are used */
error_set(&s->migration_blocker,
QERR_BLOCK_FORMAT_FEATURE_NOT_SUPPORTED,
"vhdx", bs->device_name, "live migration");
migrate_add_blocker(s->migration_blocker);
return 0;
fail:
qemu_vfree(s->headers[0]);
qemu_vfree(s->headers[1]);
qemu_vfree(s->bat);
qemu_vfree(s->parent_entries);
return ret;
}
| 18,608 |
qemu | 2bbb9c2f7f36d0457cda5f27d7e4422219b3acd8 | 0 | void pci_register_bar(PCIDevice *pci_dev, int region_num,
pcibus_t size, int type,
PCIMapIORegionFunc *map_func)
{
PCIIORegion *r;
uint32_t addr;
uint64_t wmask;
if ((unsigned int)region_num >= PCI_NUM_REGIONS)
return;
if (size & (size-1)) {
fprintf(stderr, "ERROR: PCI region size must be pow2 "
"type=0x%x, size=0x%"FMT_PCIBUS"\n", type, size);
exit(1);
}
r = &pci_dev->io_regions[region_num];
r->addr = PCI_BAR_UNMAPPED;
r->size = size;
r->filtered_size = size;
r->type = type;
r->map_func = map_func;
wmask = ~(size - 1);
addr = pci_bar(pci_dev, region_num);
if (region_num == PCI_ROM_SLOT) {
/* ROM enable bit is writeable */
wmask |= PCI_ROM_ADDRESS_ENABLE;
}
pci_set_long(pci_dev->config + addr, type);
if (!(r->type & PCI_BASE_ADDRESS_SPACE_IO) &&
r->type & PCI_BASE_ADDRESS_MEM_TYPE_64) {
pci_set_quad(pci_dev->wmask + addr, wmask);
pci_set_quad(pci_dev->cmask + addr, ~0ULL);
} else {
pci_set_long(pci_dev->wmask + addr, wmask & 0xffffffff);
pci_set_long(pci_dev->cmask + addr, 0xffffffff);
}
}
| 18,609 |
qemu | 4417ab7adf1613799054be5afedf810fc2524ee8 | 0 | static void loadvm_postcopy_handle_run_bh(void *opaque)
{
Error *local_err = NULL;
HandleRunBhData *data = opaque;
/* TODO we should move all of this lot into postcopy_ram.c or a shared code
* in migration.c
*/
cpu_synchronize_all_post_init();
qemu_announce_self();
/* Make sure all file formats flush their mutable metadata.
* If we get an error here, just don't restart the VM yet. */
bdrv_invalidate_cache_all(&local_err);
if (!local_err) {
blk_resume_after_migration(&local_err);
}
if (local_err) {
error_report_err(local_err);
local_err = NULL;
autostart = false;
}
trace_loadvm_postcopy_handle_run_cpu_sync();
cpu_synchronize_all_post_init();
trace_loadvm_postcopy_handle_run_vmstart();
if (autostart) {
/* Hold onto your hats, starting the CPU */
vm_start();
} else {
/* leave it paused and let management decide when to start the CPU */
runstate_set(RUN_STATE_PAUSED);
}
qemu_bh_delete(data->bh);
g_free(data);
}
| 18,610 |
qemu | 61007b316cd71ee7333ff7a0a749a8949527575f | 0 | BlockAIOCB *bdrv_aio_writev(BlockDriverState *bs, int64_t sector_num,
QEMUIOVector *qiov, int nb_sectors,
BlockCompletionFunc *cb, void *opaque)
{
trace_bdrv_aio_writev(bs, sector_num, nb_sectors, opaque);
return bdrv_co_aio_rw_vector(bs, sector_num, qiov, nb_sectors, 0,
cb, opaque, true);
}
| 18,611 |
qemu | 8d2f850a5ab7579a852f23b28273940a47dfd7ff | 0 | void HELPER(srstu)(CPUS390XState *env, uint32_t r1, uint32_t r2)
{
uintptr_t ra = GETPC();
uint32_t len;
uint16_t v, c = env->regs[0];
uint64_t end, str, adj_end;
/* Bits 32-47 of R0 must be zero. */
if (env->regs[0] & 0xffff0000u) {
cpu_restore_state(ENV_GET_CPU(env), ra);
program_interrupt(env, PGM_SPECIFICATION, 6);
}
str = get_address(env, r2);
end = get_address(env, r1);
/* If the LSB of the two addresses differ, use one extra byte. */
adj_end = end + ((str ^ end) & 1);
/* Lest we fail to service interrupts in a timely manner, limit the
amount of work we're willing to do. For now, let's cap at 8k. */
for (len = 0; len < 0x2000; len += 2) {
if (str + len == adj_end) {
/* End of input found. */
env->cc_op = 2;
return;
}
v = cpu_lduw_data_ra(env, str + len, ra);
if (v == c) {
/* Character found. Set R1 to the location; R2 is unmodified. */
env->cc_op = 1;
set_address(env, r1, str + len);
return;
}
}
/* CPU-determined bytes processed. Advance R2 to next byte to process. */
env->cc_op = 3;
set_address(env, r2, str + len);
}
| 18,612 |
qemu | 4be746345f13e99e468c60acbd3a355e8183e3ce | 0 | static void scsi_aio_complete(void *opaque, int ret)
{
SCSIDiskReq *r = (SCSIDiskReq *)opaque;
SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, r->req.dev);
assert(r->req.aiocb != NULL);
r->req.aiocb = NULL;
block_acct_done(bdrv_get_stats(s->qdev.conf.bs), &r->acct);
if (r->req.io_canceled) {
scsi_req_cancel_complete(&r->req);
goto done;
}
if (ret < 0) {
if (scsi_handle_rw_error(r, -ret)) {
goto done;
}
}
scsi_req_complete(&r->req, GOOD);
done:
scsi_req_unref(&r->req);
}
| 18,616 |
qemu | ef1e1e0782e99c9dcf2b35e5310cdd8ca9211374 | 0 | static void set_mem_path(Object *o, const char *str, Error **errp)
{
HostMemoryBackend *backend = MEMORY_BACKEND(o);
HostMemoryBackendFile *fb = MEMORY_BACKEND_FILE(o);
if (memory_region_size(&backend->mr)) {
error_setg(errp, "cannot change property value");
return;
}
if (fb->mem_path) {
g_free(fb->mem_path);
}
fb->mem_path = g_strdup(str);
}
| 18,617 |
qemu | a7812ae412311d7d47f8aa85656faadac9d64b56 | 0 | static always_inline void gen_store_mem (DisasContext *ctx,
void (*tcg_gen_qemu_store)(TCGv t0, TCGv t1, int flags),
int ra, int rb, int32_t disp16,
int fp, int clear, int local)
{
TCGv addr;
if (local)
addr = tcg_temp_local_new(TCG_TYPE_I64);
else
addr = tcg_temp_new(TCG_TYPE_I64);
if (rb != 31) {
tcg_gen_addi_i64(addr, cpu_ir[rb], disp16);
if (clear)
tcg_gen_andi_i64(addr, addr, ~0x7);
} else {
if (clear)
disp16 &= ~0x7;
tcg_gen_movi_i64(addr, disp16);
}
if (ra != 31) {
if (fp)
tcg_gen_qemu_store(cpu_fir[ra], addr, ctx->mem_idx);
else
tcg_gen_qemu_store(cpu_ir[ra], addr, ctx->mem_idx);
} else {
TCGv zero;
if (local)
zero = tcg_const_local_i64(0);
else
zero = tcg_const_i64(0);
tcg_gen_qemu_store(zero, addr, ctx->mem_idx);
tcg_temp_free(zero);
}
tcg_temp_free(addr);
}
| 18,618 |
qemu | 5cb9b56acfc0b50acf7ccd2d044ab4991c47fdde | 1 | static int print_uint16(DeviceState *dev, Property *prop, char *dest, size_t len)
{
uint16_t *ptr = qdev_get_prop_ptr(dev, prop);
return snprintf(dest, len, "%" PRIu16, *ptr);
}
| 18,622 |
FFmpeg | d3cb302b88503c3111e25add196622110c056188 | 1 | static int get_sot(Jpeg2000DecoderContext *s, int n)
{
Jpeg2000TilePart *tp;
uint16_t Isot;
uint32_t Psot;
uint8_t TPsot;
if (bytestream2_get_bytes_left(&s->g) < 8)
Isot = bytestream2_get_be16u(&s->g); // Isot
if (Isot) {
avpriv_request_sample(s->avctx, "Support for more than one tile");
return AVERROR_PATCHWELCOME;
}
Psot = bytestream2_get_be32u(&s->g); // Psot
TPsot = bytestream2_get_byteu(&s->g); // TPsot
/* Read TNSot but not used */
bytestream2_get_byteu(&s->g); // TNsot
if (Psot > bytestream2_get_bytes_left(&s->g) + n + 2) {
av_log(s->avctx, AV_LOG_ERROR, "Psot %d too big\n", Psot);
}
if (TPsot >= FF_ARRAY_ELEMS(s->tile[Isot].tile_part)) {
avpriv_request_sample(s->avctx, "Support for %d components", TPsot);
return AVERROR_PATCHWELCOME;
}
tp = s->tile[s->curtileno].tile_part + TPsot;
tp->tile_index = Isot;
tp->tp_len = Psot;
tp->tp_idx = TPsot;
/* Start of bit stream. Pointer to SOD marker
* Check SOD marker is present. */
if (JPEG2000_SOD == bytestream2_get_be16(&s->g)) {
bytestream2_init(&tp->tpg, s->g.buffer, tp->tp_len - n - 4);
bytestream2_skip(&s->g, tp->tp_len - n - 4);
} else {
av_log(s->avctx, AV_LOG_ERROR, "SOD marker not found \n");
}
/* End address of bit stream =
* start address + (Psot - size of SOT HEADER(n)
* - size of SOT MARKER(2) - size of SOD marker(2) */
return 0;
} | 18,623 |
qemu | 50628d3479e4f9aa97e323506856e394fe7ad7a6 | 1 | static int cirrus_do_copy(CirrusVGAState *s, int dst, int src, int w, int h)
{
int sx = 0, sy = 0;
int dx = 0, dy = 0;
int depth = 0;
int notify = 0;
/* make sure to only copy if it's a plain copy ROP */
if (*s->cirrus_rop == cirrus_bitblt_rop_fwd_src ||
*s->cirrus_rop == cirrus_bitblt_rop_bkwd_src) {
int width, height;
depth = s->vga.get_bpp(&s->vga) / 8;
if (!depth) {
return 0;
}
s->vga.get_resolution(&s->vga, &width, &height);
/* extra x, y */
sx = (src % ABS(s->cirrus_blt_srcpitch)) / depth;
sy = (src / ABS(s->cirrus_blt_srcpitch));
dx = (dst % ABS(s->cirrus_blt_dstpitch)) / depth;
dy = (dst / ABS(s->cirrus_blt_dstpitch));
/* normalize width */
w /= depth;
/* if we're doing a backward copy, we have to adjust
our x/y to be the upper left corner (instead of the lower
right corner) */
if (s->cirrus_blt_dstpitch < 0) {
sx -= (s->cirrus_blt_width / depth) - 1;
dx -= (s->cirrus_blt_width / depth) - 1;
sy -= s->cirrus_blt_height - 1;
dy -= s->cirrus_blt_height - 1;
}
/* are we in the visible portion of memory? */
if (sx >= 0 && sy >= 0 && dx >= 0 && dy >= 0 &&
(sx + w) <= width && (sy + h) <= height &&
(dx + w) <= width && (dy + h) <= height) {
notify = 1;
}
}
/* we have to flush all pending changes so that the copy
is generated at the appropriate moment in time */
if (notify)
graphic_hw_update(s->vga.con);
(*s->cirrus_rop) (s, s->vga.vram_ptr + s->cirrus_blt_dstaddr,
s->vga.vram_ptr + s->cirrus_blt_srcaddr,
s->cirrus_blt_dstpitch, s->cirrus_blt_srcpitch,
s->cirrus_blt_width, s->cirrus_blt_height);
if (notify) {
qemu_console_copy(s->vga.con,
sx, sy, dx, dy,
s->cirrus_blt_width / depth,
s->cirrus_blt_height);
}
/* we don't have to notify the display that this portion has
changed since qemu_console_copy implies this */
cirrus_invalidate_region(s, s->cirrus_blt_dstaddr,
s->cirrus_blt_dstpitch, s->cirrus_blt_width,
s->cirrus_blt_height);
return 1;
}
| 18,625 |
FFmpeg | 014058abeaa9da2c107a6348178431ea8c9b0bab | 1 | static int filter_samples(AVFilterLink *inlink, AVFilterBufferRef *insamplesref)
{
AResampleContext *aresample = inlink->dst->priv;
const int n_in = insamplesref->audio->nb_samples;
int n_out = FFMAX(n_in * aresample->ratio * 2, 1);
AVFilterLink *const outlink = inlink->dst->outputs[0];
AVFilterBufferRef *outsamplesref = ff_get_audio_buffer(outlink, AV_PERM_WRITE, n_out);
int ret;
avfilter_copy_buffer_ref_props(outsamplesref, insamplesref);
outsamplesref->format = outlink->format;
outsamplesref->audio->channel_layout = outlink->channel_layout;
outsamplesref->audio->sample_rate = outlink->sample_rate;
if(insamplesref->pts != AV_NOPTS_VALUE) {
int64_t inpts = av_rescale(insamplesref->pts, inlink->time_base.num * (int64_t)outlink->sample_rate * inlink->sample_rate, inlink->time_base.den);
int64_t outpts= swr_next_pts(aresample->swr, inpts);
aresample->next_pts =
outsamplesref->pts = (outpts + inlink->sample_rate/2) / inlink->sample_rate;
} else {
outsamplesref->pts = AV_NOPTS_VALUE;
}
n_out = swr_convert(aresample->swr, outsamplesref->extended_data, n_out,
(void *)insamplesref->extended_data, n_in);
if (n_out <= 0) {
avfilter_unref_buffer(outsamplesref);
avfilter_unref_buffer(insamplesref);
return 0;
}
outsamplesref->audio->nb_samples = n_out;
ret = ff_filter_samples(outlink, outsamplesref);
aresample->req_fullfilled= 1;
avfilter_unref_buffer(insamplesref);
return ret;
} | 18,626 |
FFmpeg | 9d656110966fbdde0fd1d2e685f3ed3633ba3596 | 0 | static int decode_subframe_lpc(FLACContext *s, int channel, int pred_order)
{
int sum, i, j;
int coeff_prec, qlevel;
int coeffs[pred_order];
// av_log(s->avctx, AV_LOG_DEBUG, " SUBFRAME LPC\n");
/* warm up samples */
// av_log(s->avctx, AV_LOG_DEBUG, " warm up samples: %d\n", pred_order);
for (i = 0; i < pred_order; i++)
{
s->decoded[channel][i] = get_sbits(&s->gb, s->curr_bps);
// av_log(s->avctx, AV_LOG_DEBUG, " %d: %d\n", i, s->decoded[channel][i]);
}
coeff_prec = get_bits(&s->gb, 4) + 1;
if (coeff_prec == 16)
{
av_log(s->avctx, AV_LOG_DEBUG, "invalid coeff precision\n");
return -1;
}
av_log(s->avctx, AV_LOG_DEBUG, " qlp coeff prec: %d\n", coeff_prec);
qlevel = get_sbits(&s->gb, 5);
av_log(s->avctx, AV_LOG_DEBUG, " quant level: %d\n", qlevel);
assert(qlevel >= 0); //FIXME
for (i = 0; i < pred_order; i++)
{
coeffs[i] = get_sbits(&s->gb, coeff_prec);
// av_log(s->avctx, AV_LOG_DEBUG, " %d: %d\n", i, coeffs[i]);
}
if (decode_residuals(s, channel, pred_order) < 0)
return -1;
for (i = pred_order; i < s->blocksize; i++)
{
sum = 0;
for (j = 0; j < pred_order; j++)
sum += coeffs[j] * s->decoded[channel][i-j-1];
s->decoded[channel][i] += sum >> qlevel;
}
return 0;
}
| 18,628 |
FFmpeg | e53c9065ca08a9153ecc73a6a8940bcc6d667e58 | 0 | static int compare_floats(const float *a, const float *b, int len,
float max_diff)
{
int i;
for (i = 0; i < len; i++) {
if (fabsf(a[i] - b[i]) > max_diff) {
av_log(NULL, AV_LOG_ERROR, "%d: %- .12f - %- .12f = % .12g\n",
i, a[i], b[i], a[i] - b[i]);
return -1;
}
}
return 0;
}
| 18,630 |
FFmpeg | 5eef7bcd09ab1f73df6c70923dfa3f4ccd5b4190 | 1 | static int mtv_read_packet(AVFormatContext *s, AVPacket *pkt)
{
MTVDemuxContext *mtv = s->priv_data;
ByteIOContext *pb = s->pb;
int ret;
#if !HAVE_BIGENDIAN
int i;
#endif
if((url_ftell(pb) - s->data_offset + mtv->img_segment_size) % mtv->full_segment_size)
{
url_fskip(pb, MTV_AUDIO_PADDING_SIZE);
ret = av_get_packet(pb, pkt, MTV_ASUBCHUNK_DATA_SIZE);
if(ret != MTV_ASUBCHUNK_DATA_SIZE)
return AVERROR(EIO);
pkt->pos -= MTV_AUDIO_PADDING_SIZE;
pkt->stream_index = AUDIO_SID;
}else
{
ret = av_get_packet(pb, pkt, mtv->img_segment_size);
if(ret != mtv->img_segment_size)
return AVERROR(EIO);
#if !HAVE_BIGENDIAN
/* pkt->data is GGGRRRR BBBBBGGG
* and we need RRRRRGGG GGGBBBBB
* for PIX_FMT_RGB565 so here we
* just swap bytes as they come
*/
for(i=0;i<mtv->img_segment_size/2;i++)
*((uint16_t *)pkt->data+i) = bswap_16(*((uint16_t *)pkt->data+i));
#endif
pkt->stream_index = VIDEO_SID;
}
return ret;
}
| 18,631 |
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