project
stringclasses 2
values | commit_id
stringlengths 40
40
| target
int64 0
1
| func
stringlengths 26
142k
| idx
int64 0
27.3k
|
|---|---|---|---|---|
qemu | 9f1963b3f72521f75a549f8afd61b19e7da63c6f | 0 | static int coroutine_fn blkreplay_co_discard(BlockDriverState *bs,
int64_t sector_num, int nb_sectors)
{
uint64_t reqid = request_id++;
int ret = bdrv_co_discard(bs->file->bs, sector_num, nb_sectors);
block_request_create(reqid, bs, qemu_coroutine_self());
qemu_coroutine_yield();
return ret;
}
| 20,748 |
qemu | 149f54b53b7666a3facd45e86eece60ce7d3b114 | 0 | static inline uint32_t ldl_phys_internal(hwaddr addr,
enum device_endian endian)
{
uint8_t *ptr;
uint32_t val;
MemoryRegionSection *section;
section = phys_page_find(address_space_memory.dispatch, addr >> TARGET_PAGE_BITS);
if (!(memory_region_is_ram(section->mr) ||
memory_region_is_romd(section->mr))) {
/* I/O case */
addr = memory_region_section_addr(section, addr);
val = io_mem_read(section->mr, addr, 4);
#if defined(TARGET_WORDS_BIGENDIAN)
if (endian == DEVICE_LITTLE_ENDIAN) {
val = bswap32(val);
}
#else
if (endian == DEVICE_BIG_ENDIAN) {
val = bswap32(val);
}
#endif
} else {
/* RAM case */
ptr = qemu_get_ram_ptr((memory_region_get_ram_addr(section->mr)
& TARGET_PAGE_MASK)
+ memory_region_section_addr(section, addr));
switch (endian) {
case DEVICE_LITTLE_ENDIAN:
val = ldl_le_p(ptr);
break;
case DEVICE_BIG_ENDIAN:
val = ldl_be_p(ptr);
break;
default:
val = ldl_p(ptr);
break;
}
}
return val;
}
| 20,749 |
qemu | c5a93780453e6da919287c17e873c843544ef2a3 | 0 | int ne2000_can_receive(NetClientState *nc)
{
NE2000State *s = qemu_get_nic_opaque(nc);
if (s->cmd & E8390_STOP)
return 1;
return !ne2000_buffer_full(s);
}
| 20,750 |
FFmpeg | 6d702dc072ffc255cd0f709132e55661698313e7 | 0 | static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
const AVFrame *pic, int *got_packet)
{
ProresContext *ctx = avctx->priv_data;
uint8_t *orig_buf, *buf, *slice_hdr, *slice_sizes, *tmp;
uint8_t *picture_size_pos;
PutBitContext pb;
int x, y, i, mb, q = 0;
int sizes[4] = { 0 };
int slice_hdr_size = 2 + 2 * (ctx->num_planes - 1);
int frame_size, picture_size, slice_size;
int mbs_per_slice = ctx->mbs_per_slice;
int pkt_size, ret;
*avctx->coded_frame = *pic;
avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
avctx->coded_frame->key_frame = 1;
pkt_size = ctx->mb_width * ctx->mb_height * 64 * 3 * 12
+ ctx->num_slices * 2 + 200 + FF_MIN_BUFFER_SIZE;
if ((ret = ff_alloc_packet(pkt, pkt_size)) < 0) {
av_log(avctx, AV_LOG_ERROR, "Error getting output packet.\n");
return ret;
}
orig_buf = pkt->data;
// frame atom
orig_buf += 4; // frame size
bytestream_put_be32 (&orig_buf, FRAME_ID); // frame container ID
buf = orig_buf;
// frame header
tmp = buf;
buf += 2; // frame header size will be stored here
bytestream_put_be16 (&buf, 0); // version 1
bytestream_put_buffer(&buf, "Lavc", 4); // creator
bytestream_put_be16 (&buf, avctx->width);
bytestream_put_be16 (&buf, avctx->height);
bytestream_put_byte (&buf, ctx->chroma_factor << 6); // frame flags
bytestream_put_byte (&buf, 0); // reserved
bytestream_put_byte (&buf, 0); // primaries
bytestream_put_byte (&buf, 0); // transfer function
bytestream_put_byte (&buf, 6); // colour matrix - ITU-R BT.601-4
bytestream_put_byte (&buf, 0x40); // source format and alpha information
bytestream_put_byte (&buf, 0); // reserved
bytestream_put_byte (&buf, 0x03); // matrix flags - both matrices are present
// luma quantisation matrix
for (i = 0; i < 64; i++)
bytestream_put_byte(&buf, ctx->profile_info->quant[i]);
// chroma quantisation matrix
for (i = 0; i < 64; i++)
bytestream_put_byte(&buf, ctx->profile_info->quant[i]);
bytestream_put_be16 (&tmp, buf - orig_buf); // write back frame header size
// picture header
picture_size_pos = buf + 1;
bytestream_put_byte (&buf, 0x40); // picture header size (in bits)
buf += 4; // picture data size will be stored here
bytestream_put_be16 (&buf, ctx->num_slices); // total number of slices
bytestream_put_byte (&buf, av_log2(ctx->mbs_per_slice) << 4); // slice width and height in MBs
// seek table - will be filled during slice encoding
slice_sizes = buf;
buf += ctx->num_slices * 2;
// slices
for (y = 0; y < ctx->mb_height; y++) {
mbs_per_slice = ctx->mbs_per_slice;
for (x = mb = 0; x < ctx->mb_width; x += mbs_per_slice, mb++) {
while (ctx->mb_width - x < mbs_per_slice)
mbs_per_slice >>= 1;
q = find_slice_quant(avctx, pic, (mb + 1) * TRELLIS_WIDTH, x, y,
mbs_per_slice);
}
for (x = ctx->slices_width - 1; x >= 0; x--) {
ctx->slice_q[x] = ctx->nodes[q].quant;
q = ctx->nodes[q].prev_node;
}
mbs_per_slice = ctx->mbs_per_slice;
for (x = mb = 0; x < ctx->mb_width; x += mbs_per_slice, mb++) {
q = ctx->slice_q[mb];
while (ctx->mb_width - x < mbs_per_slice)
mbs_per_slice >>= 1;
bytestream_put_byte(&buf, slice_hdr_size << 3);
slice_hdr = buf;
buf += slice_hdr_size - 1;
init_put_bits(&pb, buf, (pkt_size - (buf - orig_buf)) * 8);
encode_slice(avctx, pic, &pb, sizes, x, y, q, mbs_per_slice);
bytestream_put_byte(&slice_hdr, q);
slice_size = slice_hdr_size + sizes[ctx->num_planes - 1];
for (i = 0; i < ctx->num_planes - 1; i++) {
bytestream_put_be16(&slice_hdr, sizes[i]);
slice_size += sizes[i];
}
bytestream_put_be16(&slice_sizes, slice_size);
buf += slice_size - slice_hdr_size;
}
}
orig_buf -= 8;
frame_size = buf - orig_buf;
picture_size = buf - picture_size_pos - 6;
bytestream_put_be32(&orig_buf, frame_size);
bytestream_put_be32(&picture_size_pos, picture_size);
pkt->size = frame_size;
pkt->flags |= AV_PKT_FLAG_KEY;
*got_packet = 1;
return 0;
}
| 20,752 |
FFmpeg | 0d21a84605bad4e75dacb8196e5859902ed36f01 | 0 | static int epzs_motion_search4(MpegEncContext * s, int block,
int *mx_ptr, int *my_ptr,
int P[6][2], int pred_x, int pred_y,
int xmin, int ymin, int xmax, int ymax, uint8_t *ref_picture)
{
int best[2]={0, 0};
int d, dmin;
UINT8 *new_pic, *old_pic;
const int pic_stride= s->linesize;
const int pic_xy= ((s->mb_y*2 + (block>>1))*pic_stride + s->mb_x*2 + (block&1))*8;
UINT16 *mv_penalty= s->mv_penalty[s->f_code] + MAX_MV; // f_code of the prev frame
int quant= s->qscale; // qscale of the prev frame
const int shift= 1+s->quarter_sample;
new_pic = s->new_picture[0] + pic_xy;
old_pic = ref_picture + pic_xy;
dmin = pix_abs8x8(new_pic, old_pic, pic_stride);
/* first line */
if ((s->mb_y == 0 || s->first_slice_line || s->first_gob_line) && block<2) {
CHECK_MV4(P[1][0]>>shift, P[1][1]>>shift)
}else{
CHECK_MV4(P[4][0]>>shift, P[4][1]>>shift)
if(dmin<Z_THRESHOLD){
*mx_ptr= P[4][0]>>shift;
*my_ptr= P[4][1]>>shift;
//printf("M\n");
return dmin;
}
CHECK_MV4(P[1][0]>>shift, P[1][1]>>shift)
CHECK_MV4(P[2][0]>>shift, P[2][1]>>shift)
CHECK_MV4(P[3][0]>>shift, P[3][1]>>shift)
}
CHECK_MV4(P[0][0]>>shift, P[0][1]>>shift)
CHECK_MV4(P[5][0]>>shift, P[5][1]>>shift)
//check(best[0],best[1],0, b0)
dmin= small_diamond_search4MV(s, best, dmin, new_pic, old_pic, pic_stride,
pred_x, pred_y, mv_penalty, quant, xmin, ymin, xmax, ymax, shift);
//check(best[0],best[1],0, b1)
*mx_ptr= best[0];
*my_ptr= best[1];
// printf("%d %d %d \n", best[0], best[1], dmin);
return dmin;
}
| 20,753 |
FFmpeg | 378a5b9c5f1a8b51dee3b954713d18f330fbb027 | 0 | static int ffm_write_write_index(int fd, int64_t pos)
{
uint8_t buf[8];
int i;
for(i=0;i<8;i++)
buf[i] = (pos >> (56 - i * 8)) & 0xff;
lseek(fd, 8, SEEK_SET);
if (write(fd, buf, 8) != 8)
return AVERROR(EIO);
return 8;
}
| 20,754 |
FFmpeg | 294c05ce8a7fbe3de74023065c264c1d720ec3cd | 0 | static void rv34_output_i16x16(RV34DecContext *r, int8_t *intra_types, int cbp)
{
LOCAL_ALIGNED_16(DCTELEM, block16, [16]);
MpegEncContext *s = &r->s;
GetBitContext *gb = &s->gb;
int q_dc = rv34_qscale_tab[ r->luma_dc_quant_i[s->qscale] ],
q_ac = rv34_qscale_tab[s->qscale];
uint8_t *dst = s->dest[0];
DCTELEM *ptr = s->block[0];
int avail[6*8] = {0};
int i, j, itype, has_ac;
memset(block16, 0, 16 * sizeof(*block16));
// Set neighbour information.
if(r->avail_cache[1])
avail[0] = 1;
if(r->avail_cache[2])
avail[1] = avail[2] = 1;
if(r->avail_cache[3])
avail[3] = avail[4] = 1;
if(r->avail_cache[4])
avail[5] = 1;
if(r->avail_cache[5])
avail[8] = avail[16] = 1;
if(r->avail_cache[9])
avail[24] = avail[32] = 1;
has_ac = rv34_decode_block(block16, gb, r->cur_vlcs, 3, 0, q_dc, q_dc, q_ac);
if(has_ac)
r->rdsp.rv34_inv_transform(block16);
else
r->rdsp.rv34_inv_transform_dc(block16);
itype = ittrans16[intra_types[0]];
itype = adjust_pred16(itype, r->avail_cache[6-4], r->avail_cache[6-1]);
r->h.pred16x16[itype](dst, s->linesize);
for(j = 0; j < 4; j++){
for(i = 0; i < 4; i++, cbp >>= 1){
int dc = block16[i + j*4];
if(cbp & 1){
has_ac = rv34_decode_block(ptr, gb, r->cur_vlcs, r->luma_vlc, 0, q_ac, q_ac, q_ac);
}else
has_ac = 0;
if(has_ac){
ptr[0] = dc;
r->rdsp.rv34_idct_add(dst+4*i, s->linesize, ptr);
}else
r->rdsp.rv34_idct_dc_add(dst+4*i, s->linesize, dc);
}
dst += 4*s->linesize;
}
itype = ittrans16[intra_types[0]];
if(itype == PLANE_PRED8x8) itype = DC_PRED8x8;
itype = adjust_pred16(itype, r->avail_cache[6-4], r->avail_cache[6-1]);
q_dc = rv34_qscale_tab[rv34_chroma_quant[1][s->qscale]];
q_ac = rv34_qscale_tab[rv34_chroma_quant[0][s->qscale]];
for(j = 1; j < 3; j++){
dst = s->dest[j];
r->h.pred8x8[itype](dst, s->uvlinesize);
for(i = 0; i < 4; i++, cbp >>= 1){
uint8_t *pdst;
if(!(cbp & 1)) continue;
pdst = dst + (i&1)*4 + (i&2)*2*s->uvlinesize;
rv34_process_block(r, pdst, s->uvlinesize,
r->chroma_vlc, 1, q_dc, q_ac);
}
}
}
| 20,755 |
FFmpeg | 308e7484a3b1954072871a4090e5c672d1097fa5 | 0 | STATIC void DEF(put, pixels8_xy2)(uint8_t *block, const uint8_t *pixels,
ptrdiff_t line_size, int h)
{
MOVQ_ZERO(mm7);
SET_RND(mm6); // =2 for rnd and =1 for no_rnd version
__asm__ volatile(
"movq (%1), %%mm0 \n\t"
"movq 1(%1), %%mm4 \n\t"
"movq %%mm0, %%mm1 \n\t"
"movq %%mm4, %%mm5 \n\t"
"punpcklbw %%mm7, %%mm0 \n\t"
"punpcklbw %%mm7, %%mm4 \n\t"
"punpckhbw %%mm7, %%mm1 \n\t"
"punpckhbw %%mm7, %%mm5 \n\t"
"paddusw %%mm0, %%mm4 \n\t"
"paddusw %%mm1, %%mm5 \n\t"
"xor %%"REG_a", %%"REG_a" \n\t"
"add %3, %1 \n\t"
".p2align 3 \n\t"
"1: \n\t"
"movq (%1, %%"REG_a"), %%mm0 \n\t"
"movq 1(%1, %%"REG_a"), %%mm2 \n\t"
"movq %%mm0, %%mm1 \n\t"
"movq %%mm2, %%mm3 \n\t"
"punpcklbw %%mm7, %%mm0 \n\t"
"punpcklbw %%mm7, %%mm2 \n\t"
"punpckhbw %%mm7, %%mm1 \n\t"
"punpckhbw %%mm7, %%mm3 \n\t"
"paddusw %%mm2, %%mm0 \n\t"
"paddusw %%mm3, %%mm1 \n\t"
"paddusw %%mm6, %%mm4 \n\t"
"paddusw %%mm6, %%mm5 \n\t"
"paddusw %%mm0, %%mm4 \n\t"
"paddusw %%mm1, %%mm5 \n\t"
"psrlw $2, %%mm4 \n\t"
"psrlw $2, %%mm5 \n\t"
"packuswb %%mm5, %%mm4 \n\t"
"movq %%mm4, (%2, %%"REG_a") \n\t"
"add %3, %%"REG_a" \n\t"
"movq (%1, %%"REG_a"), %%mm2 \n\t" // 0 <-> 2 1 <-> 3
"movq 1(%1, %%"REG_a"), %%mm4 \n\t"
"movq %%mm2, %%mm3 \n\t"
"movq %%mm4, %%mm5 \n\t"
"punpcklbw %%mm7, %%mm2 \n\t"
"punpcklbw %%mm7, %%mm4 \n\t"
"punpckhbw %%mm7, %%mm3 \n\t"
"punpckhbw %%mm7, %%mm5 \n\t"
"paddusw %%mm2, %%mm4 \n\t"
"paddusw %%mm3, %%mm5 \n\t"
"paddusw %%mm6, %%mm0 \n\t"
"paddusw %%mm6, %%mm1 \n\t"
"paddusw %%mm4, %%mm0 \n\t"
"paddusw %%mm5, %%mm1 \n\t"
"psrlw $2, %%mm0 \n\t"
"psrlw $2, %%mm1 \n\t"
"packuswb %%mm1, %%mm0 \n\t"
"movq %%mm0, (%2, %%"REG_a") \n\t"
"add %3, %%"REG_a" \n\t"
"subl $2, %0 \n\t"
"jnz 1b \n\t"
:"+g"(h), "+S"(pixels)
:"D"(block), "r"((x86_reg)line_size)
:REG_a, "memory");
}
| 20,756 |
FFmpeg | 33684b9c12b74c0140fb91e8150263db4a48d55e | 0 | static int atrac1_decode_frame(AVCodecContext *avctx, void *data,
int *data_size, AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
AT1Ctx *q = avctx->priv_data;
int ch, ret, i;
GetBitContext gb;
float* samples = data;
if (buf_size < 212 * q->channels) {
av_log(q,AV_LOG_ERROR,"Not enought data to decode!\n");
return -1;
}
for (ch = 0; ch < q->channels; ch++) {
AT1SUCtx* su = &q->SUs[ch];
init_get_bits(&gb, &buf[212 * ch], 212 * 8);
/* parse block_size_mode, 1st byte */
ret = at1_parse_bsm(&gb, su->log2_block_count);
if (ret < 0)
return ret;
ret = at1_unpack_dequant(&gb, su, q->spec);
if (ret < 0)
return ret;
ret = at1_imdct_block(su, q);
if (ret < 0)
return ret;
at1_subband_synthesis(q, su, q->out_samples[ch]);
}
/* interleave; FIXME, should create/use a DSP function */
if (q->channels == 1) {
/* mono */
memcpy(samples, q->out_samples[0], AT1_SU_SAMPLES * 4);
} else {
/* stereo */
for (i = 0; i < AT1_SU_SAMPLES; i++) {
samples[i * 2] = q->out_samples[0][i];
samples[i * 2 + 1] = q->out_samples[1][i];
}
}
*data_size = q->channels * AT1_SU_SAMPLES * sizeof(*samples);
return avctx->block_align;
}
| 20,757 |
qemu | 8d94c1ca53c638f6ec76840b0cb24677fb7705bf | 1 | static void virgl_cmd_submit_3d(VirtIOGPU *g,
struct virtio_gpu_ctrl_command *cmd)
{
struct virtio_gpu_cmd_submit cs;
void *buf;
size_t s;
VIRTIO_GPU_FILL_CMD(cs);
trace_virtio_gpu_cmd_ctx_submit(cs.hdr.ctx_id, cs.size);
buf = g_malloc(cs.size);
s = iov_to_buf(cmd->elem.out_sg, cmd->elem.out_num,
sizeof(cs), buf, cs.size);
if (s != cs.size) {
qemu_log_mask(LOG_GUEST_ERROR, "%s: size mismatch (%zd/%d)",
__func__, s, cs.size);
cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER;
return;
}
if (virtio_gpu_stats_enabled(g->conf)) {
g->stats.req_3d++;
g->stats.bytes_3d += cs.size;
}
virgl_renderer_submit_cmd(buf, cs.hdr.ctx_id, cs.size / 4);
g_free(buf);
}
| 20,758 |
qemu | a1f0cce2ac0243572ff72aa561da67fe3766a395 | 1 | static int scsi_write_data(SCSIRequest *req)
{
SCSIDiskReq *r = DO_UPCAST(SCSIDiskReq, req, req);
SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, r->req.dev);
uint32_t n;
/* No data transfer may already be in progress */
assert(r->req.aiocb == NULL);
n = r->iov.iov_len / 512;
if (n) {
qemu_iovec_init_external(&r->qiov, &r->iov, 1);
r->req.aiocb = bdrv_aio_writev(s->bs, r->sector, &r->qiov, n,
scsi_write_complete, r);
if (r->req.aiocb == NULL) {
scsi_write_complete(r, -EIO);
}
} else {
/* Invoke completion routine to fetch data from host. */
scsi_write_complete(r, 0);
}
return 0;
}
| 20,759 |
qemu | 40a99aace3f9ffd65af07a89c381db3550b22316 | 1 | static int create_dynamic_disk(BlockBackend *blk, uint8_t *buf,
int64_t total_sectors)
{
VHDDynDiskHeader *dyndisk_header =
(VHDDynDiskHeader *) buf;
size_t block_size, num_bat_entries;
int i;
int ret;
int64_t offset = 0;
// Write the footer (twice: at the beginning and at the end)
block_size = 0x200000;
num_bat_entries = (total_sectors + block_size / 512) / (block_size / 512);
ret = blk_pwrite(blk, offset, buf, HEADER_SIZE);
if (ret) {
goto fail;
}
offset = 1536 + ((num_bat_entries * 4 + 511) & ~511);
ret = blk_pwrite(blk, offset, buf, HEADER_SIZE);
if (ret < 0) {
goto fail;
}
// Write the initial BAT
offset = 3 * 512;
memset(buf, 0xFF, 512);
for (i = 0; i < (num_bat_entries * 4 + 511) / 512; i++) {
ret = blk_pwrite(blk, offset, buf, 512);
if (ret < 0) {
goto fail;
}
offset += 512;
}
// Prepare the Dynamic Disk Header
memset(buf, 0, 1024);
memcpy(dyndisk_header->magic, "cxsparse", 8);
/*
* Note: The spec is actually wrong here for data_offset, it says
* 0xFFFFFFFF, but MS tools expect all 64 bits to be set.
*/
dyndisk_header->data_offset = cpu_to_be64(0xFFFFFFFFFFFFFFFFULL);
dyndisk_header->table_offset = cpu_to_be64(3 * 512);
dyndisk_header->version = cpu_to_be32(0x00010000);
dyndisk_header->block_size = cpu_to_be32(block_size);
dyndisk_header->max_table_entries = cpu_to_be32(num_bat_entries);
dyndisk_header->checksum = cpu_to_be32(vpc_checksum(buf, 1024));
// Write the header
offset = 512;
ret = blk_pwrite(blk, offset, buf, 1024);
if (ret < 0) {
goto fail;
}
fail:
return ret;
}
| 20,760 |
qemu | 9877860e7bd1e26ee70ab9bb5ebc34c92bf23bf5 | 1 | static int vmdk_is_cid_valid(BlockDriverState *bs)
{
BDRVVmdkState *s = bs->opaque;
uint32_t cur_pcid;
if (!s->cid_checked && bs->backing) {
BlockDriverState *p_bs = bs->backing->bs;
cur_pcid = vmdk_read_cid(p_bs, 0);
if (s->parent_cid != cur_pcid) {
/* CID not valid */
return 0;
}
}
s->cid_checked = true;
/* CID valid */
return 1;
}
| 20,762 |
FFmpeg | 6d93307f8df81808f0dcdbc064b848054a6e83b3 | 1 | static inline int mpeg2_decode_block_intra(MpegEncContext *s, int16_t *block, int n)
{
int level, dc, diff, i, j, run;
int component;
RLTable *rl;
uint8_t * const scantable = s->intra_scantable.permutated;
const uint16_t *quant_matrix;
const int qscale = s->qscale;
int mismatch;
/* DC coefficient */
if (n < 4) {
quant_matrix = s->intra_matrix;
component = 0;
} else {
quant_matrix = s->chroma_intra_matrix;
component = (n & 1) + 1;
}
diff = decode_dc(&s->gb, component);
if (diff >= 0xffff)
return -1;
dc = s->last_dc[component];
dc += diff;
s->last_dc[component] = dc;
block[0] = dc << (3 - s->intra_dc_precision);
av_dlog(s->avctx, "dc=%d\n", block[0]);
mismatch = block[0] ^ 1;
i = 0;
if (s->intra_vlc_format)
rl = &ff_rl_mpeg2;
else
rl = &ff_rl_mpeg1;
{
OPEN_READER(re, &s->gb);
/* now quantify & encode AC coefficients */
for (;;) {
UPDATE_CACHE(re, &s->gb);
GET_RL_VLC(level, run, re, &s->gb, rl->rl_vlc[0], TEX_VLC_BITS, 2, 0);
if (level == 127) {
break;
} else if (level != 0) {
i += run;
j = scantable[i];
level = (level * qscale * quant_matrix[j]) >> 4;
level = (level ^ SHOW_SBITS(re, &s->gb, 1)) - SHOW_SBITS(re, &s->gb, 1);
LAST_SKIP_BITS(re, &s->gb, 1);
} else {
/* escape */
run = SHOW_UBITS(re, &s->gb, 6) + 1; LAST_SKIP_BITS(re, &s->gb, 6);
UPDATE_CACHE(re, &s->gb);
level = SHOW_SBITS(re, &s->gb, 12); SKIP_BITS(re, &s->gb, 12);
i += run;
j = scantable[i];
if (level < 0) {
level = (-level * qscale * quant_matrix[j]) >> 4;
level = -level;
} else {
level = (level * qscale * quant_matrix[j]) >> 4;
}
}
if (i > 63) {
av_log(s->avctx, AV_LOG_ERROR, "ac-tex damaged at %d %d\n", s->mb_x, s->mb_y);
return -1;
}
mismatch ^= level;
block[j] = level;
}
CLOSE_READER(re, &s->gb);
}
block[63] ^= mismatch & 1;
s->block_last_index[n] = i;
return 0;
}
| 20,763 |
qemu | d9bce9d99f4656ae0b0127f7472db9067b8f84ab | 1 | PPC_OP(test_ctr_true)
{
T0 = (regs->ctr != 0 && (T0 & PARAM(1)) != 0);
RETURN();
}
| 20,764 |
FFmpeg | 53ea595eec984e3109310e8bb7ff4b5786d91057 | 1 | static inline int mov_stsc_index_valid(int index, int count)
{
return index + 1 < count;
}
| 20,765 |
qemu | f80872e21c07edd06eb343eeeefc8af404b518a6 | 1 | static void init_proc_POWER7 (CPUPPCState *env)
{
gen_spr_ne_601(env);
gen_spr_7xx(env);
/* Time base */
gen_tbl(env);
/* Processor identification */
spr_register(env, SPR_PIR, "PIR",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_pir,
0x00000000);
#if !defined(CONFIG_USER_ONLY)
/* PURR & SPURR: Hack - treat these as aliases for the TB for now */
spr_register_kvm(env, SPR_PURR, "PURR",
&spr_read_purr, SPR_NOACCESS,
&spr_read_purr, SPR_NOACCESS,
KVM_REG_PPC_PURR, 0x00000000);
spr_register_kvm(env, SPR_SPURR, "SPURR",
&spr_read_purr, SPR_NOACCESS,
&spr_read_purr, SPR_NOACCESS,
KVM_REG_PPC_SPURR, 0x00000000);
spr_register(env, SPR_CFAR, "SPR_CFAR",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_cfar, &spr_write_cfar,
0x00000000);
spr_register_kvm(env, SPR_DSCR, "SPR_DSCR",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
KVM_REG_PPC_DSCR, 0x00000000);
#endif /* !CONFIG_USER_ONLY */
/* Memory management */
/* XXX : not implemented */
spr_register(env, SPR_MMUCFG, "MMUCFG",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, SPR_NOACCESS,
0x00000000); /* TOFIX */
/* XXX : not implemented */
spr_register(env, SPR_CTRL, "SPR_CTRLT",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x80800000);
spr_register(env, SPR_UCTRL, "SPR_CTRLF",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x80800000);
spr_register(env, SPR_VRSAVE, "SPR_VRSAVE",
&spr_read_generic, &spr_write_generic,
&spr_read_generic, &spr_write_generic,
0x00000000);
#if !defined(CONFIG_USER_ONLY)
env->slb_nr = 32;
#endif
init_excp_POWER7(env);
env->dcache_line_size = 128;
env->icache_line_size = 128;
/* Allocate hardware IRQ controller */
ppcPOWER7_irq_init(env);
/* Can't find information on what this should be on reset. This
* value is the one used by 74xx processors. */
vscr_init(env, 0x00010000);
} | 20,767 |
qemu | 3a3b8502e6f0c8d30865c5f36d2c3ae4114000b5 | 1 | void spapr_events_init(sPAPREnvironment *spapr)
{
spapr->epow_irq = spapr_allocate_msi(0);
spapr->epow_notifier.notify = spapr_powerdown_req;
qemu_register_powerdown_notifier(&spapr->epow_notifier);
spapr_rtas_register("check-exception", check_exception);
}
| 20,768 |
qemu | 85d604af5f96c32734af9974ec6ddb625b6716a2 | 1 | target_ulong helper_add_suov(CPUTriCoreState *env, target_ulong r1,
target_ulong r2)
{
int64_t t1 = extract64(r1, 0, 32);
int64_t t2 = extract64(r2, 0, 32);
int64_t result = t1 + t2;
return suov32(env, result);
}
| 20,769 |
qemu | efec3dd631d94160288392721a5f9c39e50fb2bc | 1 | static void pcspk_class_initfn(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
dc->realize = pcspk_realizefn;
set_bit(DEVICE_CATEGORY_SOUND, dc->categories);
dc->no_user = 1;
dc->props = pcspk_properties;
}
| 20,770 |
FFmpeg | f929ab0569ff31ed5a59b0b0adb7ce09df3fca39 | 0 | static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
{
AVFrame *frame = data;
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
ZmbvContext * const c = avctx->priv_data;
int zret = Z_OK; // Zlib return code
int len = buf_size;
int hi_ver, lo_ver, ret;
uint8_t *tmp;
if ((ret = ff_get_buffer(avctx, frame, 0)) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return ret;
}
/* parse header */
c->flags = buf[0];
buf++; len--;
if (c->flags & ZMBV_KEYFRAME) {
hi_ver = buf[0];
lo_ver = buf[1];
c->comp = buf[2];
c->fmt = buf[3];
c->bw = buf[4];
c->bh = buf[5];
c->decode_intra = NULL;
c->decode_xor = NULL;
buf += 6;
len -= 6;
av_log(avctx, AV_LOG_DEBUG,
"Flags=%X ver=%i.%i comp=%i fmt=%i blk=%ix%i\n",
c->flags,hi_ver,lo_ver,c->comp,c->fmt,c->bw,c->bh);
if (hi_ver != 0 || lo_ver != 1) {
avpriv_request_sample(avctx, "Version %i.%i", hi_ver, lo_ver);
return AVERROR_PATCHWELCOME;
}
if (c->bw == 0 || c->bh == 0) {
avpriv_request_sample(avctx, "Block size %ix%i", c->bw, c->bh);
return AVERROR_PATCHWELCOME;
}
if (c->comp != 0 && c->comp != 1) {
avpriv_request_sample(avctx, "Compression type %i", c->comp);
return AVERROR_PATCHWELCOME;
}
switch (c->fmt) {
case ZMBV_FMT_8BPP:
c->bpp = 8;
c->decode_intra = zmbv_decode_intra;
c->decode_xor = zmbv_decode_xor_8;
break;
case ZMBV_FMT_15BPP:
case ZMBV_FMT_16BPP:
c->bpp = 16;
c->decode_intra = zmbv_decode_intra;
c->decode_xor = zmbv_decode_xor_16;
break;
#ifdef ZMBV_ENABLE_24BPP
case ZMBV_FMT_24BPP:
c->bpp = 24;
c->decode_intra = zmbv_decode_intra;
c->decode_xor = zmbv_decode_xor_24;
break;
#endif //ZMBV_ENABLE_24BPP
case ZMBV_FMT_32BPP:
c->bpp = 32;
c->decode_intra = zmbv_decode_intra;
c->decode_xor = zmbv_decode_xor_32;
break;
default:
c->decode_intra = NULL;
c->decode_xor = NULL;
avpriv_request_sample(avctx, "Format %i", c->fmt);
return AVERROR_PATCHWELCOME;
}
zret = inflateReset(&c->zstream);
if (zret != Z_OK) {
av_log(avctx, AV_LOG_ERROR, "Inflate reset error: %d\n", zret);
return AVERROR_UNKNOWN;
}
tmp = av_realloc(c->cur, avctx->width * avctx->height * (c->bpp / 8));
if (!tmp)
return AVERROR(ENOMEM);
c->cur = tmp;
tmp = av_realloc(c->prev, avctx->width * avctx->height * (c->bpp / 8));
if (!tmp)
return AVERROR(ENOMEM);
c->prev = tmp;
c->bx = (c->width + c->bw - 1) / c->bw;
c->by = (c->height + c->bh - 1) / c->bh;
}
if (c->decode_intra == NULL) {
av_log(avctx, AV_LOG_ERROR, "Error! Got no format or no keyframe!\n");
return AVERROR_INVALIDDATA;
}
if (c->comp == 0) { //Uncompressed data
if (c->decomp_size < len) {
av_log(avctx, AV_LOG_ERROR, "Buffer too small\n");
return AVERROR_INVALIDDATA;
}
memcpy(c->decomp_buf, buf, len);
} else { // ZLIB-compressed data
c->zstream.total_in = c->zstream.total_out = 0;
c->zstream.next_in = buf;
c->zstream.avail_in = len;
c->zstream.next_out = c->decomp_buf;
c->zstream.avail_out = c->decomp_size;
zret = inflate(&c->zstream, Z_SYNC_FLUSH);
if (zret != Z_OK && zret != Z_STREAM_END) {
av_log(avctx, AV_LOG_ERROR, "inflate error %d\n", zret);
return AVERROR_INVALIDDATA;
}
c->decomp_len = c->zstream.total_out;
}
if (c->flags & ZMBV_KEYFRAME) {
frame->key_frame = 1;
frame->pict_type = AV_PICTURE_TYPE_I;
c->decode_intra(c);
} else {
frame->key_frame = 0;
frame->pict_type = AV_PICTURE_TYPE_P;
if (c->decomp_len)
c->decode_xor(c);
}
/* update frames */
{
uint8_t *out, *src;
int i, j;
out = frame->data[0];
src = c->cur;
switch (c->fmt) {
case ZMBV_FMT_8BPP:
for (j = 0; j < c->height; j++) {
for (i = 0; i < c->width; i++) {
out[i * 3 + 0] = c->pal[(*src) * 3 + 0];
out[i * 3 + 1] = c->pal[(*src) * 3 + 1];
out[i * 3 + 2] = c->pal[(*src) * 3 + 2];
src++;
}
out += frame->linesize[0];
}
break;
case ZMBV_FMT_15BPP:
for (j = 0; j < c->height; j++) {
for (i = 0; i < c->width; i++) {
uint16_t tmp = AV_RL16(src);
src += 2;
out[i * 3 + 0] = (tmp & 0x7C00) >> 7;
out[i * 3 + 1] = (tmp & 0x03E0) >> 2;
out[i * 3 + 2] = (tmp & 0x001F) << 3;
}
out += frame->linesize[0];
}
break;
case ZMBV_FMT_16BPP:
for (j = 0; j < c->height; j++) {
for (i = 0; i < c->width; i++) {
uint16_t tmp = AV_RL16(src);
src += 2;
out[i * 3 + 0] = (tmp & 0xF800) >> 8;
out[i * 3 + 1] = (tmp & 0x07E0) >> 3;
out[i * 3 + 2] = (tmp & 0x001F) << 3;
}
out += frame->linesize[0];
}
break;
#ifdef ZMBV_ENABLE_24BPP
case ZMBV_FMT_24BPP:
for (j = 0; j < c->height; j++) {
memcpy(out, src, c->width * 3);
src += c->width * 3;
out += frame->linesize[0];
}
break;
#endif //ZMBV_ENABLE_24BPP
case ZMBV_FMT_32BPP:
for (j = 0; j < c->height; j++) {
for (i = 0; i < c->width; i++) {
uint32_t tmp = AV_RL32(src);
src += 4;
AV_WB24(out+(i*3), tmp);
}
out += frame->linesize[0];
}
break;
default:
av_log(avctx, AV_LOG_ERROR, "Cannot handle format %i\n", c->fmt);
}
FFSWAP(uint8_t *, c->cur, c->prev);
}
*got_frame = 1;
/* always report that the buffer was completely consumed */
return buf_size;
}
| 20,771 |
FFmpeg | b87ca4bf25a3b5a0cac76fb8b3a7ab3bc0fd9882 | 0 | static int build_filter(ResampleContext *c, void *filter, double factor, int tap_count, int alloc, int phase_count, int scale,
int filter_type, double kaiser_beta){
int ph, i;
double x, y, w, t;
double *tab = av_malloc_array(tap_count+1, sizeof(*tab));
const int center= (tap_count-1)/2;
if (!tab)
return AVERROR(ENOMEM);
/* if upsampling, only need to interpolate, no filter */
if (factor > 1.0)
factor = 1.0;
av_assert0(phase_count == 1 || phase_count % 2 == 0);
for(ph = 0; ph <= phase_count / 2; ph++) {
double norm = 0;
for(i=0;i<=tap_count;i++) {
x = M_PI * ((double)(i - center) - (double)ph / phase_count) * factor;
if (x == 0) y = 1.0;
else y = sin(x) / x;
switch(filter_type){
case SWR_FILTER_TYPE_CUBIC:{
const float d= -0.5; //first order derivative = -0.5
x = fabs(((double)(i - center) - (double)ph / phase_count) * factor);
if(x<1.0) y= 1 - 3*x*x + 2*x*x*x + d*( -x*x + x*x*x);
else y= d*(-4 + 8*x - 5*x*x + x*x*x);
break;}
case SWR_FILTER_TYPE_BLACKMAN_NUTTALL:
w = 2.0*x / (factor*tap_count) + M_PI;
t = cos(w);
y *= 0.3635819 - 0.4891775 * t + 0.1365995 * (2*t*t-1) - 0.0106411 * (4*t*t*t - 3*t);
break;
case SWR_FILTER_TYPE_KAISER:
w = 2.0*x / (factor*tap_count*M_PI);
y *= bessel(kaiser_beta*sqrt(FFMAX(1-w*w, 0)));
break;
default:
av_assert0(0);
}
tab[i] = y;
if (i < tap_count)
norm += y;
}
/* normalize so that an uniform color remains the same */
switch(c->format){
case AV_SAMPLE_FMT_S16P:
for(i=0;i<tap_count;i++)
((int16_t*)filter)[ph * alloc + i] = av_clip(lrintf(tab[i] * scale / norm), INT16_MIN, INT16_MAX);
if (tap_count % 2 == 0) {
for (i = 0; i < tap_count; i++)
((int16_t*)filter)[(phase_count-ph) * alloc + tap_count-1-i] = ((int16_t*)filter)[ph * alloc + i];
}
else {
for (i = 1; i <= tap_count; i++)
((int16_t*)filter)[(phase_count-ph) * alloc + tap_count-i] =
av_clip(lrintf(tab[i] * scale / (norm - tab[0] + tab[tap_count])), INT16_MIN, INT16_MAX);
}
break;
case AV_SAMPLE_FMT_S32P:
for(i=0;i<tap_count;i++)
((int32_t*)filter)[ph * alloc + i] = av_clipl_int32(llrint(tab[i] * scale / norm));
if (tap_count % 2 == 0) {
for (i = 0; i < tap_count; i++)
((int32_t*)filter)[(phase_count-ph) * alloc + tap_count-1-i] = ((int32_t*)filter)[ph * alloc + i];
}
else {
for (i = 1; i <= tap_count; i++)
((int32_t*)filter)[(phase_count-ph) * alloc + tap_count-i] =
av_clipl_int32(llrint(tab[i] * scale / (norm - tab[0] + tab[tap_count])));
}
break;
case AV_SAMPLE_FMT_FLTP:
for(i=0;i<tap_count;i++)
((float*)filter)[ph * alloc + i] = tab[i] * scale / norm;
if (tap_count % 2 == 0) {
for (i = 0; i < tap_count; i++)
((float*)filter)[(phase_count-ph) * alloc + tap_count-1-i] = ((float*)filter)[ph * alloc + i];
}
else {
for (i = 1; i <= tap_count; i++)
((float*)filter)[(phase_count-ph) * alloc + tap_count-i] = tab[i] * scale / (norm - tab[0] + tab[tap_count]);
}
break;
case AV_SAMPLE_FMT_DBLP:
for(i=0;i<tap_count;i++)
((double*)filter)[ph * alloc + i] = tab[i] * scale / norm;
if (tap_count % 2 == 0) {
for (i = 0; i < tap_count; i++)
((double*)filter)[(phase_count-ph) * alloc + tap_count-1-i] = ((double*)filter)[ph * alloc + i];
}
else {
for (i = 1; i <= tap_count; i++)
((double*)filter)[(phase_count-ph) * alloc + tap_count-i] = tab[i] * scale / (norm - tab[0] + tab[tap_count]);
}
break;
}
}
#if 0
{
#define LEN 1024
int j,k;
double sine[LEN + tap_count];
double filtered[LEN];
double maxff=-2, minff=2, maxsf=-2, minsf=2;
for(i=0; i<LEN; i++){
double ss=0, sf=0, ff=0;
for(j=0; j<LEN+tap_count; j++)
sine[j]= cos(i*j*M_PI/LEN);
for(j=0; j<LEN; j++){
double sum=0;
ph=0;
for(k=0; k<tap_count; k++)
sum += filter[ph * tap_count + k] * sine[k+j];
filtered[j]= sum / (1<<FILTER_SHIFT);
ss+= sine[j + center] * sine[j + center];
ff+= filtered[j] * filtered[j];
sf+= sine[j + center] * filtered[j];
}
ss= sqrt(2*ss/LEN);
ff= sqrt(2*ff/LEN);
sf= 2*sf/LEN;
maxff= FFMAX(maxff, ff);
minff= FFMIN(minff, ff);
maxsf= FFMAX(maxsf, sf);
minsf= FFMIN(minsf, sf);
if(i%11==0){
av_log(NULL, AV_LOG_ERROR, "i:%4d ss:%f ff:%13.6e-%13.6e sf:%13.6e-%13.6e\n", i, ss, maxff, minff, maxsf, minsf);
minff=minsf= 2;
maxff=maxsf= -2;
}
}
}
#endif
av_free(tab);
return 0;
}
| 20,774 |
FFmpeg | 79997def65fd2313b48a5f3c3a884c6149ae9b5d | 0 | static void fft_test(AC3MDCTContext *mdct, AVLFG *lfg)
{
IComplex in[FN], in1[FN];
int k, n, i;
float sum_re, sum_im, a;
for (i = 0; i < FN; i++) {
in[i].re = av_lfg_get(lfg) % 65535 - 32767;
in[i].im = av_lfg_get(lfg) % 65535 - 32767;
in1[i] = in[i];
}
fft(mdct, in, 7);
/* do it by hand */
for (k = 0; k < FN; k++) {
sum_re = 0;
sum_im = 0;
for (n = 0; n < FN; n++) {
a = -2 * M_PI * (n * k) / FN;
sum_re += in1[n].re * cos(a) - in1[n].im * sin(a);
sum_im += in1[n].re * sin(a) + in1[n].im * cos(a);
}
av_log(NULL, AV_LOG_DEBUG, "%3d: %6d,%6d %6.0f,%6.0f\n",
k, in[k].re, in[k].im, sum_re / FN, sum_im / FN);
}
}
| 20,775 |
FFmpeg | b5bfb9f9de911846c43b52a7469b3cb413055492 | 0 | static void correlate_slice_buffered(SnowContext *s, slice_buffer * sb, SubBand *b, DWTELEM *src, int stride, int inverse, int use_median, int start_y, int end_y){
const int w= b->width;
int x,y;
// START_TIMER
DWTELEM * line;
DWTELEM * prev;
if (start_y != 0)
line = slice_buffer_get_line(sb, ((start_y - 1) * b->stride_line) + b->buf_y_offset) + b->buf_x_offset;
for(y=start_y; y<end_y; y++){
prev = line;
// line = slice_buffer_get_line_from_address(sb, src + (y * stride));
line = slice_buffer_get_line(sb, (y * b->stride_line) + b->buf_y_offset) + b->buf_x_offset;
for(x=0; x<w; x++){
if(x){
if(use_median){
if(y && x+1<w) line[x] += mid_pred(line[x - 1], prev[x], prev[x + 1]);
else line[x] += line[x - 1];
}else{
if(y) line[x] += mid_pred(line[x - 1], prev[x], line[x - 1] + prev[x] - prev[x - 1]);
else line[x] += line[x - 1];
}
}else{
if(y) line[x] += prev[x];
}
}
}
// STOP_TIMER("correlate")
}
| 20,776 |
FFmpeg | fd88a257015f183f5ec3bff393a2f6cf7c117c02 | 0 | static void rv34_idct_add_c(uint8_t *dst, ptrdiff_t stride, DCTELEM *block){
int temp[16];
uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
int i;
rv34_row_transform(temp, block);
memset(block, 0, 16*sizeof(DCTELEM));
for(i = 0; i < 4; i++){
const int z0 = 13*(temp[4*0+i] + temp[4*2+i]) + 0x200;
const int z1 = 13*(temp[4*0+i] - temp[4*2+i]) + 0x200;
const int z2 = 7* temp[4*1+i] - 17*temp[4*3+i];
const int z3 = 17* temp[4*1+i] + 7*temp[4*3+i];
dst[0] = cm[ dst[0] + ( (z0 + z3) >> 10 ) ];
dst[1] = cm[ dst[1] + ( (z1 + z2) >> 10 ) ];
dst[2] = cm[ dst[2] + ( (z1 - z2) >> 10 ) ];
dst[3] = cm[ dst[3] + ( (z0 - z3) >> 10 ) ];
dst += stride;
}
}
| 20,778 |
FFmpeg | b51e9354772de446e8196dabf9aad1567b22f74d | 1 | int ff_vc1_parse_frame_header(VC1Context *v, GetBitContext* gb)
{
int pqindex, lowquant, status;
if (v->finterpflag)
v->interpfrm = get_bits1(gb);
if (!v->s.avctx->codec)
return -1;
if (v->s.avctx->codec_id == AV_CODEC_ID_MSS2)
v->respic =
v->rangered =
v->multires = get_bits(gb, 2) == 1;
else
skip_bits(gb, 2); //framecnt unused
v->rangeredfrm = 0;
if (v->rangered)
v->rangeredfrm = get_bits1(gb);
v->s.pict_type = get_bits1(gb);
if (v->s.avctx->max_b_frames) {
if (!v->s.pict_type) {
if (get_bits1(gb))
v->s.pict_type = AV_PICTURE_TYPE_I;
else
v->s.pict_type = AV_PICTURE_TYPE_B;
} else
v->s.pict_type = AV_PICTURE_TYPE_P;
} else
v->s.pict_type = v->s.pict_type ? AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_I;
v->bi_type = 0;
if (v->s.pict_type == AV_PICTURE_TYPE_B) {
if (read_bfraction(v, gb) < 0)
return AVERROR_INVALIDDATA;
if (v->bfraction == 0) {
v->s.pict_type = AV_PICTURE_TYPE_BI;
}
}
if (v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_BI)
skip_bits(gb, 7); // skip buffer fullness
if (v->parse_only)
return 0;
/* calculate RND */
if (v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_BI)
v->rnd = 1;
if (v->s.pict_type == AV_PICTURE_TYPE_P)
v->rnd ^= 1;
/* Quantizer stuff */
pqindex = get_bits(gb, 5);
if (!pqindex)
return -1;
if (v->quantizer_mode == QUANT_FRAME_IMPLICIT)
v->pq = ff_vc1_pquant_table[0][pqindex];
else
v->pq = ff_vc1_pquant_table[1][pqindex];
v->pquantizer = 1;
if (v->quantizer_mode == QUANT_FRAME_IMPLICIT)
v->pquantizer = pqindex < 9;
if (v->quantizer_mode == QUANT_NON_UNIFORM)
v->pquantizer = 0;
v->pqindex = pqindex;
if (pqindex < 9)
v->halfpq = get_bits1(gb);
else
v->halfpq = 0;
if (v->quantizer_mode == QUANT_FRAME_EXPLICIT)
v->pquantizer = get_bits1(gb);
v->dquantfrm = 0;
if (v->extended_mv == 1)
v->mvrange = get_unary(gb, 0, 3);
v->k_x = v->mvrange + 9 + (v->mvrange >> 1); //k_x can be 9 10 12 13
v->k_y = v->mvrange + 8; //k_y can be 8 9 10 11
v->range_x = 1 << (v->k_x - 1);
v->range_y = 1 << (v->k_y - 1);
if (v->multires && v->s.pict_type != AV_PICTURE_TYPE_B)
v->respic = get_bits(gb, 2);
if (v->res_x8 && (v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_BI)) {
v->x8_type = get_bits1(gb);
} else
v->x8_type = 0;
av_dlog(v->s.avctx, "%c Frame: QP=[%i]%i (+%i/2) %i\n",
(v->s.pict_type == AV_PICTURE_TYPE_P) ? 'P' : ((v->s.pict_type == AV_PICTURE_TYPE_I) ? 'I' : 'B'),
pqindex, v->pq, v->halfpq, v->rangeredfrm);
if (v->first_pic_header_flag)
rotate_luts(v);
switch (v->s.pict_type) {
case AV_PICTURE_TYPE_P:
if (v->pq < 5) v->tt_index = 0;
else if (v->pq < 13) v->tt_index = 1;
else v->tt_index = 2;
lowquant = (v->pq > 12) ? 0 : 1;
v->mv_mode = ff_vc1_mv_pmode_table[lowquant][get_unary(gb, 1, 4)];
if (v->mv_mode == MV_PMODE_INTENSITY_COMP) {
v->mv_mode2 = ff_vc1_mv_pmode_table2[lowquant][get_unary(gb, 1, 3)];
v->lumscale = get_bits(gb, 6);
v->lumshift = get_bits(gb, 6);
v->last_use_ic = 1;
/* fill lookup tables for intensity compensation */
INIT_LUT(v->lumscale, v->lumshift, v->last_luty[0], v->last_lutuv[0], 1);
INIT_LUT(v->lumscale, v->lumshift, v->last_luty[1], v->last_lutuv[1], 1);
}
v->qs_last = v->s.quarter_sample;
if (v->mv_mode == MV_PMODE_1MV_HPEL || v->mv_mode == MV_PMODE_1MV_HPEL_BILIN)
v->s.quarter_sample = 0;
else if (v->mv_mode == MV_PMODE_INTENSITY_COMP) {
if (v->mv_mode2 == MV_PMODE_1MV_HPEL || v->mv_mode2 == MV_PMODE_1MV_HPEL_BILIN)
v->s.quarter_sample = 0;
else
v->s.quarter_sample = 1;
} else
v->s.quarter_sample = 1;
v->s.mspel = !(v->mv_mode == MV_PMODE_1MV_HPEL_BILIN || (v->mv_mode == MV_PMODE_INTENSITY_COMP && v->mv_mode2 == MV_PMODE_1MV_HPEL_BILIN));
if ((v->mv_mode == MV_PMODE_INTENSITY_COMP &&
v->mv_mode2 == MV_PMODE_MIXED_MV) ||
v->mv_mode == MV_PMODE_MIXED_MV) {
status = bitplane_decoding(v->mv_type_mb_plane, &v->mv_type_is_raw, v);
if (status < 0)
return -1;
av_log(v->s.avctx, AV_LOG_DEBUG, "MB MV Type plane encoding: "
"Imode: %i, Invert: %i\n", status>>1, status&1);
} else {
v->mv_type_is_raw = 0;
memset(v->mv_type_mb_plane, 0, v->s.mb_stride * v->s.mb_height);
}
status = bitplane_decoding(v->s.mbskip_table, &v->skip_is_raw, v);
if (status < 0)
return -1;
av_log(v->s.avctx, AV_LOG_DEBUG, "MB Skip plane encoding: "
"Imode: %i, Invert: %i\n", status>>1, status&1);
/* Hopefully this is correct for P frames */
v->s.mv_table_index = get_bits(gb, 2); //but using ff_vc1_ tables
v->cbpcy_vlc = &ff_vc1_cbpcy_p_vlc[get_bits(gb, 2)];
if (v->dquant) {
av_log(v->s.avctx, AV_LOG_DEBUG, "VOP DQuant info\n");
vop_dquant_decoding(v);
}
v->ttfrm = 0; //FIXME Is that so ?
if (v->vstransform) {
v->ttmbf = get_bits1(gb);
if (v->ttmbf) {
v->ttfrm = ff_vc1_ttfrm_to_tt[get_bits(gb, 2)];
}
} else {
v->ttmbf = 1;
v->ttfrm = TT_8X8;
}
break;
case AV_PICTURE_TYPE_B:
if (v->pq < 5) v->tt_index = 0;
else if (v->pq < 13) v->tt_index = 1;
else v->tt_index = 2;
v->mv_mode = get_bits1(gb) ? MV_PMODE_1MV : MV_PMODE_1MV_HPEL_BILIN;
v->qs_last = v->s.quarter_sample;
v->s.quarter_sample = (v->mv_mode == MV_PMODE_1MV);
v->s.mspel = v->s.quarter_sample;
status = bitplane_decoding(v->direct_mb_plane, &v->dmb_is_raw, v);
if (status < 0)
return -1;
av_log(v->s.avctx, AV_LOG_DEBUG, "MB Direct Type plane encoding: "
"Imode: %i, Invert: %i\n", status>>1, status&1);
status = bitplane_decoding(v->s.mbskip_table, &v->skip_is_raw, v);
if (status < 0)
return -1;
av_log(v->s.avctx, AV_LOG_DEBUG, "MB Skip plane encoding: "
"Imode: %i, Invert: %i\n", status>>1, status&1);
v->s.mv_table_index = get_bits(gb, 2);
v->cbpcy_vlc = &ff_vc1_cbpcy_p_vlc[get_bits(gb, 2)];
if (v->dquant) {
av_log(v->s.avctx, AV_LOG_DEBUG, "VOP DQuant info\n");
vop_dquant_decoding(v);
}
v->ttfrm = 0;
if (v->vstransform) {
v->ttmbf = get_bits1(gb);
if (v->ttmbf) {
v->ttfrm = ff_vc1_ttfrm_to_tt[get_bits(gb, 2)];
}
} else {
v->ttmbf = 1;
v->ttfrm = TT_8X8;
}
break;
}
if (!v->x8_type) {
/* AC Syntax */
v->c_ac_table_index = decode012(gb);
if (v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_BI) {
v->y_ac_table_index = decode012(gb);
}
/* DC Syntax */
v->s.dc_table_index = get_bits1(gb);
}
if (v->s.pict_type == AV_PICTURE_TYPE_BI) {
v->s.pict_type = AV_PICTURE_TYPE_B;
v->bi_type = 1;
}
return 0;
} | 20,780 |
FFmpeg | b905ba5bc18c89c7fccd8621795755644442ef19 | 1 | static int mov_preroll_write_stbl_atoms(AVIOContext *pb, MOVTrack *track)
{
struct sgpd_entry {
int count;
int16_t roll_distance;
int group_description_index;
};
struct sgpd_entry *sgpd_entries = NULL;
int entries = -1;
int group = 0;
int i, j;
const int OPUS_SEEK_PREROLL_MS = 80;
int roll_samples = av_rescale_q(OPUS_SEEK_PREROLL_MS,
(AVRational){1, 1000},
(AVRational){1, 48000});
if (track->entry) {
sgpd_entries = av_malloc_array(track->entry, sizeof(*sgpd_entries));
if (!sgpd_entries)
return AVERROR(ENOMEM);
}
av_assert0(track->par->codec_id == AV_CODEC_ID_OPUS);
for (i = 0; i < track->entry; i++) {
int roll_samples_remaining = roll_samples;
int distance = 0;
for (j = i - 1; j >= 0; j--) {
roll_samples_remaining -= get_cluster_duration(track, j);
distance++;
if (roll_samples_remaining <= 0)
break;
}
/* We don't have enough preceeding samples to compute a valid
roll_distance here, so this sample can't be independently
decoded. */
if (roll_samples_remaining > 0)
distance = 0;
/* Verify distance is a minimum of 2 (60ms) packets and a maximum of
32 (2.5ms) packets. */
av_assert0(distance == 0 || (distance >= 2 && distance <= 32));
if (i && distance == sgpd_entries[entries].roll_distance) {
sgpd_entries[entries].count++;
} else {
entries++;
sgpd_entries[entries].count = 1;
sgpd_entries[entries].roll_distance = distance;
sgpd_entries[entries].group_description_index = distance ? ++group : 0;
}
}
entries++;
if (!group)
return 0;
/* Write sgpd tag */
avio_wb32(pb, 24 + (group * 2)); /* size */
ffio_wfourcc(pb, "sgpd");
avio_wb32(pb, 1 << 24); /* fullbox */
ffio_wfourcc(pb, "roll");
avio_wb32(pb, 2); /* default_length */
avio_wb32(pb, group); /* entry_count */
for (i = 0; i < entries; i++) {
if (sgpd_entries[i].group_description_index) {
avio_wb16(pb, -sgpd_entries[i].roll_distance); /* roll_distance */
}
}
/* Write sbgp tag */
avio_wb32(pb, 20 + (entries * 8)); /* size */
ffio_wfourcc(pb, "sbgp");
avio_wb32(pb, 0); /* fullbox */
ffio_wfourcc(pb, "roll");
avio_wb32(pb, entries); /* entry_count */
for (i = 0; i < entries; i++) {
avio_wb32(pb, sgpd_entries[i].count); /* sample_count */
avio_wb32(pb, sgpd_entries[i].group_description_index); /* group_description_index */
}
av_free(sgpd_entries);
return 0;
}
| 20,781 |
FFmpeg | 2ffead98ddd384f61cdf6b1cb3f36592f54cd34a | 1 | static av_always_inline void emulated_edge_mc(uint8_t *buf, const uint8_t *src,
ptrdiff_t linesize_arg,
int block_w, int block_h,
int src_x, int src_y,
int w, int h,
emu_edge_core_func *core_fn)
{
int start_y, start_x, end_y, end_x, src_y_add = 0;
int linesize = linesize_arg;
if(!w || !h)
return;
if (src_y >= h) {
src -= src_y*linesize;
src_y_add = h - 1;
src_y = h - 1;
} else if (src_y <= -block_h) {
src -= src_y*linesize;
src_y_add = 1 - block_h;
src_y = 1 - block_h;
}
if (src_x >= w) {
src += w - 1 - src_x;
src_x = w - 1;
} else if (src_x <= -block_w) {
src += 1 - block_w - src_x;
src_x = 1 - block_w;
}
start_y = FFMAX(0, -src_y);
start_x = FFMAX(0, -src_x);
end_y = FFMIN(block_h, h-src_y);
end_x = FFMIN(block_w, w-src_x);
av_assert2(start_x < end_x && block_w > 0);
av_assert2(start_y < end_y && block_h > 0);
// fill in the to-be-copied part plus all above/below
src += (src_y_add + start_y) * linesize + start_x;
buf += start_x;
core_fn(buf, src, linesize, start_y, end_y,
block_h, start_x, end_x, block_w);
}
| 20,782 |
qemu | 13c4941cdd8685d28c7e3a09e393a5579b58db46 | 1 | static int vmdk_init_tables(BlockDriverState *bs, VmdkExtent *extent,
Error **errp)
{
int ret;
int l1_size, i;
/* read the L1 table */
l1_size = extent->l1_size * sizeof(uint32_t);
extent->l1_table = g_try_malloc(l1_size);
if (l1_size && extent->l1_table == NULL) {
return -ENOMEM;
}
ret = bdrv_pread(extent->file,
extent->l1_table_offset,
extent->l1_table,
l1_size);
if (ret < 0) {
error_setg_errno(errp, -ret,
"Could not read l1 table from extent '%s'",
extent->file->filename);
goto fail_l1;
}
for (i = 0; i < extent->l1_size; i++) {
le32_to_cpus(&extent->l1_table[i]);
}
if (extent->l1_backup_table_offset) {
extent->l1_backup_table = g_try_malloc(l1_size);
if (l1_size && extent->l1_backup_table == NULL) {
ret = -ENOMEM;
goto fail_l1;
}
ret = bdrv_pread(extent->file,
extent->l1_backup_table_offset,
extent->l1_backup_table,
l1_size);
if (ret < 0) {
error_setg_errno(errp, -ret,
"Could not read l1 backup table from extent '%s'",
extent->file->filename);
goto fail_l1b;
}
for (i = 0; i < extent->l1_size; i++) {
le32_to_cpus(&extent->l1_backup_table[i]);
}
}
extent->l2_cache =
g_new(uint32_t, extent->l2_size * L2_CACHE_SIZE);
return 0;
fail_l1b:
g_free(extent->l1_backup_table);
fail_l1:
g_free(extent->l1_table);
return ret;
}
| 20,783 |
qemu | 788cf9f8c8cbda53843e060540f3e91a060eb744 | 1 | static void bdrv_password_cb(void *opaque, const char *password,
void *readline_opaque)
{
Monitor *mon = opaque;
BlockDriverState *bs = readline_opaque;
int ret = 0;
Error *local_err = NULL;
bdrv_add_key(bs, password, &local_err);
if (local_err) {
error_report_err(local_err);
ret = -EPERM;
}
if (mon->password_completion_cb)
mon->password_completion_cb(mon->password_opaque, ret);
monitor_read_command(mon, 1);
}
| 20,784 |
qemu | b8852e87d9d113096342c3e0977266cda0fe9ee5 | 1 | static int vmdk_L2update(BlockDriverState *bs, VmdkMetaData *m_data)
{
BDRVVmdkState *s = bs->opaque;
/* update L2 table */
if (bdrv_pwrite(bs->file, ((int64_t)m_data->l2_offset * 512) + (m_data->l2_index * sizeof(m_data->offset)),
&(m_data->offset), sizeof(m_data->offset)) != sizeof(m_data->offset))
return -1;
/* update backup L2 table */
if (s->l1_backup_table_offset != 0) {
m_data->l2_offset = s->l1_backup_table[m_data->l1_index];
if (bdrv_pwrite(bs->file, ((int64_t)m_data->l2_offset * 512) + (m_data->l2_index * sizeof(m_data->offset)),
&(m_data->offset), sizeof(m_data->offset)) != sizeof(m_data->offset))
return -1;
}
return 0;
}
| 20,785 |
qemu | 7d5b5261104235cd6cc86930ab0d0a7372bfe04b | 1 | static int bdrv_inactivate_recurse(BlockDriverState *bs,
bool setting_flag)
{
BdrvChild *child, *parent;
int ret;
if (!setting_flag && bs->drv->bdrv_inactivate) {
ret = bs->drv->bdrv_inactivate(bs);
if (ret < 0) {
return ret;
}
}
if (setting_flag) {
uint64_t perm, shared_perm;
bs->open_flags |= BDRV_O_INACTIVE;
QLIST_FOREACH(parent, &bs->parents, next_parent) {
if (parent->role->inactivate) {
ret = parent->role->inactivate(parent);
if (ret < 0) {
bs->open_flags &= ~BDRV_O_INACTIVE;
return ret;
}
}
}
/* Update permissions, they may differ for inactive nodes */
bdrv_get_cumulative_perm(bs, &perm, &shared_perm);
bdrv_check_perm(bs, perm, shared_perm, NULL, &error_abort);
bdrv_set_perm(bs, perm, shared_perm);
}
QLIST_FOREACH(child, &bs->children, next) {
ret = bdrv_inactivate_recurse(child->bs, setting_flag);
if (ret < 0) {
return ret;
}
}
/* At this point persistent bitmaps should be already stored by the format
* driver */
bdrv_release_persistent_dirty_bitmaps(bs);
return 0;
}
| 20,786 |
qemu | 5839e53bbc0fec56021d758aab7610df421ed8c8 | 1 | int qcow2_read_snapshots(BlockDriverState *bs)
{
BDRVQcowState *s = bs->opaque;
QCowSnapshotHeader h;
QCowSnapshotExtraData extra;
QCowSnapshot *sn;
int i, id_str_size, name_size;
int64_t offset;
uint32_t extra_data_size;
int ret;
if (!s->nb_snapshots) {
s->snapshots = NULL;
s->snapshots_size = 0;
return 0;
}
offset = s->snapshots_offset;
s->snapshots = g_malloc0(s->nb_snapshots * sizeof(QCowSnapshot));
for(i = 0; i < s->nb_snapshots; i++) {
/* Read statically sized part of the snapshot header */
offset = align_offset(offset, 8);
ret = bdrv_pread(bs->file, offset, &h, sizeof(h));
if (ret < 0) {
goto fail;
}
offset += sizeof(h);
sn = s->snapshots + i;
sn->l1_table_offset = be64_to_cpu(h.l1_table_offset);
sn->l1_size = be32_to_cpu(h.l1_size);
sn->vm_state_size = be32_to_cpu(h.vm_state_size);
sn->date_sec = be32_to_cpu(h.date_sec);
sn->date_nsec = be32_to_cpu(h.date_nsec);
sn->vm_clock_nsec = be64_to_cpu(h.vm_clock_nsec);
extra_data_size = be32_to_cpu(h.extra_data_size);
id_str_size = be16_to_cpu(h.id_str_size);
name_size = be16_to_cpu(h.name_size);
/* Read extra data */
ret = bdrv_pread(bs->file, offset, &extra,
MIN(sizeof(extra), extra_data_size));
if (ret < 0) {
goto fail;
}
offset += extra_data_size;
if (extra_data_size >= 8) {
sn->vm_state_size = be64_to_cpu(extra.vm_state_size_large);
}
if (extra_data_size >= 16) {
sn->disk_size = be64_to_cpu(extra.disk_size);
} else {
sn->disk_size = bs->total_sectors * BDRV_SECTOR_SIZE;
}
/* Read snapshot ID */
sn->id_str = g_malloc(id_str_size + 1);
ret = bdrv_pread(bs->file, offset, sn->id_str, id_str_size);
if (ret < 0) {
goto fail;
}
offset += id_str_size;
sn->id_str[id_str_size] = '\0';
/* Read snapshot name */
sn->name = g_malloc(name_size + 1);
ret = bdrv_pread(bs->file, offset, sn->name, name_size);
if (ret < 0) {
goto fail;
}
offset += name_size;
sn->name[name_size] = '\0';
if (offset - s->snapshots_offset > QCOW_MAX_SNAPSHOTS_SIZE) {
ret = -EFBIG;
goto fail;
}
}
assert(offset - s->snapshots_offset <= INT_MAX);
s->snapshots_size = offset - s->snapshots_offset;
return 0;
fail:
qcow2_free_snapshots(bs);
return ret;
}
| 20,787 |
qemu | 213d3e9ea27f7fc55db7272c05255294b52ed3e4 | 0 | static abi_long do_fcntl(int fd, int cmd, abi_ulong arg)
{
struct flock fl;
struct target_flock *target_fl;
struct flock64 fl64;
struct target_flock64 *target_fl64;
#ifdef F_GETOWN_EX
struct f_owner_ex fox;
struct target_f_owner_ex *target_fox;
#endif
abi_long ret;
int host_cmd = target_to_host_fcntl_cmd(cmd);
if (host_cmd == -TARGET_EINVAL)
return host_cmd;
switch(cmd) {
case TARGET_F_GETLK:
if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
return -TARGET_EFAULT;
fl.l_type =
target_to_host_bitmask(tswap16(target_fl->l_type), flock_tbl);
fl.l_whence = tswap16(target_fl->l_whence);
fl.l_start = tswapal(target_fl->l_start);
fl.l_len = tswapal(target_fl->l_len);
fl.l_pid = tswap32(target_fl->l_pid);
unlock_user_struct(target_fl, arg, 0);
ret = get_errno(fcntl(fd, host_cmd, &fl));
if (ret == 0) {
if (!lock_user_struct(VERIFY_WRITE, target_fl, arg, 0))
return -TARGET_EFAULT;
target_fl->l_type =
host_to_target_bitmask(tswap16(fl.l_type), flock_tbl);
target_fl->l_whence = tswap16(fl.l_whence);
target_fl->l_start = tswapal(fl.l_start);
target_fl->l_len = tswapal(fl.l_len);
target_fl->l_pid = tswap32(fl.l_pid);
unlock_user_struct(target_fl, arg, 1);
}
break;
case TARGET_F_SETLK:
case TARGET_F_SETLKW:
if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
return -TARGET_EFAULT;
fl.l_type =
target_to_host_bitmask(tswap16(target_fl->l_type), flock_tbl);
fl.l_whence = tswap16(target_fl->l_whence);
fl.l_start = tswapal(target_fl->l_start);
fl.l_len = tswapal(target_fl->l_len);
fl.l_pid = tswap32(target_fl->l_pid);
unlock_user_struct(target_fl, arg, 0);
ret = get_errno(fcntl(fd, host_cmd, &fl));
break;
case TARGET_F_GETLK64:
if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
return -TARGET_EFAULT;
fl64.l_type =
target_to_host_bitmask(tswap16(target_fl64->l_type), flock_tbl) >> 1;
fl64.l_whence = tswap16(target_fl64->l_whence);
fl64.l_start = tswap64(target_fl64->l_start);
fl64.l_len = tswap64(target_fl64->l_len);
fl64.l_pid = tswap32(target_fl64->l_pid);
unlock_user_struct(target_fl64, arg, 0);
ret = get_errno(fcntl(fd, host_cmd, &fl64));
if (ret == 0) {
if (!lock_user_struct(VERIFY_WRITE, target_fl64, arg, 0))
return -TARGET_EFAULT;
target_fl64->l_type =
host_to_target_bitmask(tswap16(fl64.l_type), flock_tbl) >> 1;
target_fl64->l_whence = tswap16(fl64.l_whence);
target_fl64->l_start = tswap64(fl64.l_start);
target_fl64->l_len = tswap64(fl64.l_len);
target_fl64->l_pid = tswap32(fl64.l_pid);
unlock_user_struct(target_fl64, arg, 1);
}
break;
case TARGET_F_SETLK64:
case TARGET_F_SETLKW64:
if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
return -TARGET_EFAULT;
fl64.l_type =
target_to_host_bitmask(tswap16(target_fl64->l_type), flock_tbl) >> 1;
fl64.l_whence = tswap16(target_fl64->l_whence);
fl64.l_start = tswap64(target_fl64->l_start);
fl64.l_len = tswap64(target_fl64->l_len);
fl64.l_pid = tswap32(target_fl64->l_pid);
unlock_user_struct(target_fl64, arg, 0);
ret = get_errno(fcntl(fd, host_cmd, &fl64));
break;
case TARGET_F_GETFL:
ret = get_errno(fcntl(fd, host_cmd, arg));
if (ret >= 0) {
ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
}
break;
case TARGET_F_SETFL:
ret = get_errno(fcntl(fd, host_cmd, target_to_host_bitmask(arg, fcntl_flags_tbl)));
break;
#ifdef F_GETOWN_EX
case TARGET_F_GETOWN_EX:
ret = get_errno(fcntl(fd, host_cmd, &fox));
if (ret >= 0) {
if (!lock_user_struct(VERIFY_WRITE, target_fox, arg, 0))
return -TARGET_EFAULT;
target_fox->type = tswap32(fox.type);
target_fox->pid = tswap32(fox.pid);
unlock_user_struct(target_fox, arg, 1);
}
break;
#endif
#ifdef F_SETOWN_EX
case TARGET_F_SETOWN_EX:
if (!lock_user_struct(VERIFY_READ, target_fox, arg, 1))
return -TARGET_EFAULT;
fox.type = tswap32(target_fox->type);
fox.pid = tswap32(target_fox->pid);
unlock_user_struct(target_fox, arg, 0);
ret = get_errno(fcntl(fd, host_cmd, &fox));
break;
#endif
case TARGET_F_SETOWN:
case TARGET_F_GETOWN:
case TARGET_F_SETSIG:
case TARGET_F_GETSIG:
case TARGET_F_SETLEASE:
case TARGET_F_GETLEASE:
ret = get_errno(fcntl(fd, host_cmd, arg));
break;
default:
ret = get_errno(fcntl(fd, cmd, arg));
break;
}
return ret;
}
| 20,788 |
FFmpeg | 55db06af64d1acb7c3e304d61e7a1f265139d27a | 0 | const uint8_t *avpriv_find_start_code(const uint8_t *av_restrict p,
const uint8_t *end,
uint32_t *av_restrict state)
{
int i;
assert(p <= end);
if (p >= end)
return end;
for (i = 0; i < 3; i++) {
uint32_t tmp = *state << 8;
*state = tmp + *(p++);
if (tmp == 0x100 || p == end)
return p;
}
while (p < end) {
if (p[-1] > 1 ) p += 3;
else if (p[-2] ) p += 2;
else if (p[-3]|(p[-1]-1)) p++;
else {
p++;
break;
}
}
p = FFMIN(p, end) - 4;
*state = AV_RB32(p);
return p + 4;
}
| 20,789 |
qemu | a5b8dd2ce83208cd7d6eb4562339ecf5aae13574 | 0 | static int bdrv_open_common(BlockDriverState *bs, BdrvChild *file,
QDict *options, Error **errp)
{
int ret, open_flags;
const char *filename;
const char *driver_name = NULL;
const char *node_name = NULL;
QemuOpts *opts;
BlockDriver *drv;
Error *local_err = NULL;
assert(bs->file == NULL);
assert(options != NULL && bs->options != options);
opts = qemu_opts_create(&bdrv_runtime_opts, NULL, 0, &error_abort);
qemu_opts_absorb_qdict(opts, options, &local_err);
if (local_err) {
error_propagate(errp, local_err);
ret = -EINVAL;
goto fail_opts;
}
driver_name = qemu_opt_get(opts, "driver");
drv = bdrv_find_format(driver_name);
assert(drv != NULL);
if (file != NULL) {
filename = file->bs->filename;
} else {
filename = qdict_get_try_str(options, "filename");
}
if (drv->bdrv_needs_filename && !filename) {
error_setg(errp, "The '%s' block driver requires a file name",
drv->format_name);
ret = -EINVAL;
goto fail_opts;
}
trace_bdrv_open_common(bs, filename ?: "", bs->open_flags,
drv->format_name);
node_name = qemu_opt_get(opts, "node-name");
bdrv_assign_node_name(bs, node_name, &local_err);
if (local_err) {
error_propagate(errp, local_err);
ret = -EINVAL;
goto fail_opts;
}
bs->read_only = !(bs->open_flags & BDRV_O_RDWR);
if (use_bdrv_whitelist && !bdrv_is_whitelisted(drv, bs->read_only)) {
error_setg(errp,
!bs->read_only && bdrv_is_whitelisted(drv, true)
? "Driver '%s' can only be used for read-only devices"
: "Driver '%s' is not whitelisted",
drv->format_name);
ret = -ENOTSUP;
goto fail_opts;
}
assert(bs->copy_on_read == 0); /* bdrv_new() and bdrv_close() make it so */
if (bs->open_flags & BDRV_O_COPY_ON_READ) {
if (!bs->read_only) {
bdrv_enable_copy_on_read(bs);
} else {
error_setg(errp, "Can't use copy-on-read on read-only device");
ret = -EINVAL;
goto fail_opts;
}
}
if (filename != NULL) {
pstrcpy(bs->filename, sizeof(bs->filename), filename);
} else {
bs->filename[0] = '\0';
}
pstrcpy(bs->exact_filename, sizeof(bs->exact_filename), bs->filename);
bs->drv = drv;
bs->opaque = g_malloc0(drv->instance_size);
/* Apply cache mode options */
update_flags_from_options(&bs->open_flags, opts);
/* Open the image, either directly or using a protocol */
open_flags = bdrv_open_flags(bs, bs->open_flags);
if (drv->bdrv_file_open) {
assert(file == NULL);
assert(!drv->bdrv_needs_filename || filename != NULL);
ret = drv->bdrv_file_open(bs, options, open_flags, &local_err);
} else {
if (file == NULL) {
error_setg(errp, "Can't use '%s' as a block driver for the "
"protocol level", drv->format_name);
ret = -EINVAL;
goto free_and_fail;
}
bs->file = file;
ret = drv->bdrv_open(bs, options, open_flags, &local_err);
}
if (ret < 0) {
if (local_err) {
error_propagate(errp, local_err);
} else if (bs->filename[0]) {
error_setg_errno(errp, -ret, "Could not open '%s'", bs->filename);
} else {
error_setg_errno(errp, -ret, "Could not open image");
}
goto free_and_fail;
}
ret = refresh_total_sectors(bs, bs->total_sectors);
if (ret < 0) {
error_setg_errno(errp, -ret, "Could not refresh total sector count");
goto free_and_fail;
}
bdrv_refresh_limits(bs, &local_err);
if (local_err) {
error_propagate(errp, local_err);
ret = -EINVAL;
goto free_and_fail;
}
assert(bdrv_opt_mem_align(bs) != 0);
assert(bdrv_min_mem_align(bs) != 0);
assert(is_power_of_2(bs->request_alignment) || bdrv_is_sg(bs));
qemu_opts_del(opts);
return 0;
free_and_fail:
bs->file = NULL;
g_free(bs->opaque);
bs->opaque = NULL;
bs->drv = NULL;
fail_opts:
qemu_opts_del(opts);
return ret;
}
| 20,790 |
qemu | b3db211f3c80bb996a704d665fe275619f728bd4 | 0 | static void test_visitor_out_enum_errors(TestOutputVisitorData *data,
const void *unused)
{
EnumOne i, bad_values[] = { ENUM_ONE__MAX, -1 };
Error *err;
for (i = 0; i < ARRAY_SIZE(bad_values) ; i++) {
err = NULL;
visit_type_EnumOne(data->ov, "unused", &bad_values[i], &err);
g_assert(err);
error_free(err);
visitor_reset(data);
}
}
| 20,791 |
qemu | ddca7f86ac022289840e0200fd4050b2b58e9176 | 0 | static size_t v9fs_unpack(void *dst, struct iovec *out_sg, int out_num,
size_t offset, size_t size)
{
return v9fs_packunpack(dst, out_sg, out_num, offset, size, 0);
}
| 20,792 |
qemu | e11078846996ded6f824868ae63a0c77031ad64c | 0 | print_with_operands (const struct cris_opcode *opcodep,
unsigned int insn,
unsigned char *buffer,
bfd_vma addr,
disassemble_info *info,
/* If a prefix insn was before this insn (and is supposed
to be output as an address), here is a description of
it. */
const struct cris_opcode *prefix_opcodep,
unsigned int prefix_insn,
unsigned char *prefix_buffer,
bfd_boolean with_reg_prefix)
{
/* Get a buffer of somewhat reasonable size where we store
intermediate parts of the insn. */
char temp[sizeof (".d [$r13=$r12-2147483648],$r10") * 2];
char *tp = temp;
static const char mode_char[] = "bwd?";
const char *s;
const char *cs;
struct cris_disasm_data *disdata
= (struct cris_disasm_data *) info->private_data;
/* Print out the name first thing we do. */
(*info->fprintf_func) (info->stream, "%s", opcodep->name);
cs = opcodep->args;
s = cs;
/* Ignore any prefix indicator. */
if (*s == 'p')
s++;
if (*s == 'm' || *s == 'M' || *s == 'z')
{
*tp++ = '.';
/* Get the size-letter. */
*tp++ = *s == 'M'
? (insn & 0x8000 ? 'd'
: insn & 0x4000 ? 'w' : 'b')
: mode_char[(insn >> 4) & (*s == 'z' ? 1 : 3)];
/* Ignore the size and the space character that follows. */
s += 2;
}
/* Add a space if this isn't a long-branch, because for those will add
the condition part of the name later. */
if (opcodep->match != (BRANCH_PC_LOW + BRANCH_INCR_HIGH * 256))
*tp++ = ' ';
/* Fill in the insn-type if deducible from the name (and there's no
better way). */
if (opcodep->name[0] == 'j')
{
if (CONST_STRNEQ (opcodep->name, "jsr"))
/* It's "jsr" or "jsrc". */
info->insn_type = dis_jsr;
else
/* Any other jump-type insn is considered a branch. */
info->insn_type = dis_branch;
}
/* We might know some more fields right now. */
info->branch_delay_insns = opcodep->delayed;
/* Handle operands. */
for (; *s; s++)
{
switch (*s)
{
case 'T':
tp = format_sup_reg ((insn >> 12) & 15, tp, with_reg_prefix);
break;
case 'A':
if (with_reg_prefix)
*tp++ = REGISTER_PREFIX_CHAR;
*tp++ = 'a';
*tp++ = 'c';
*tp++ = 'r';
break;
case '[':
case ']':
case ',':
*tp++ = *s;
break;
case '!':
/* Ignore at this point; used at earlier stages to avoid
recognition if there's a prefix at something that in other
ways looks like a "pop". */
break;
case 'd':
/* Ignore. This is an optional ".d " on the large one of
relaxable insns. */
break;
case 'B':
/* This was the prefix that made this a "push". We've already
handled it by recognizing it, so signal that the prefix is
handled by setting it to NULL. */
prefix_opcodep = NULL;
break;
case 'D':
case 'r':
tp = format_reg (disdata, insn & 15, tp, with_reg_prefix);
break;
case 'R':
tp = format_reg (disdata, (insn >> 12) & 15, tp, with_reg_prefix);
break;
case 'n':
{
/* Like N but pc-relative to the start of the insn. */
unsigned long number
= (buffer[2] + buffer[3] * 256 + buffer[4] * 65536
+ buffer[5] * 0x1000000 + addr);
/* Finish off and output previous formatted bytes. */
*tp = 0;
if (temp[0])
(*info->fprintf_func) (info->stream, "%s", temp);
tp = temp;
(*info->print_address_func) ((bfd_vma) number, info);
}
break;
case 'u':
{
/* Like n but the offset is bits <3:0> in the instruction. */
unsigned long number = (buffer[0] & 0xf) * 2 + addr;
/* Finish off and output previous formatted bytes. */
*tp = 0;
if (temp[0])
(*info->fprintf_func) (info->stream, "%s", temp);
tp = temp;
(*info->print_address_func) ((bfd_vma) number, info);
}
break;
case 'N':
case 'y':
case 'Y':
case 'S':
case 's':
/* Any "normal" memory operand. */
if ((insn & 0x400) && (insn & 15) == 15 && prefix_opcodep == NULL)
{
/* We're looking at [pc+], i.e. we need to output an immediate
number, where the size can depend on different things. */
long number;
int signedp
= ((*cs == 'z' && (insn & 0x20))
|| opcodep->match == BDAP_QUICK_OPCODE);
int nbytes;
if (opcodep->imm_oprnd_size == SIZE_FIX_32)
nbytes = 4;
else if (opcodep->imm_oprnd_size == SIZE_SPEC_REG)
{
const struct cris_spec_reg *sregp
= spec_reg_info ((insn >> 12) & 15, disdata->distype);
/* A NULL return should have been as a non-match earlier,
so catch it as an internal error in the error-case
below. */
if (sregp == NULL)
/* Whatever non-valid size. */
nbytes = 42;
else
/* PC is always incremented by a multiple of two.
For CRISv32, immediates are always 4 bytes for
special registers. */
nbytes = disdata->distype == cris_dis_v32
? 4 : (sregp->reg_size + 1) & ~1;
}
else
{
int mode_size = 1 << ((insn >> 4) & (*cs == 'z' ? 1 : 3));
if (mode_size == 1)
nbytes = 2;
else
nbytes = mode_size;
}
switch (nbytes)
{
case 1:
number = buffer[2];
if (signedp && number > 127)
number -= 256;
break;
case 2:
number = buffer[2] + buffer[3] * 256;
if (signedp && number > 32767)
number -= 65536;
break;
case 4:
number
= buffer[2] + buffer[3] * 256 + buffer[4] * 65536
+ buffer[5] * 0x1000000;
break;
default:
strcpy (tp, "bug");
tp += 3;
number = 42;
}
if ((*cs == 'z' && (insn & 0x20))
|| (opcodep->match == BDAP_QUICK_OPCODE
&& (nbytes <= 2 || buffer[1 + nbytes] == 0)))
tp = format_dec (number, tp, signedp);
else
{
unsigned int highbyte = (number >> 24) & 0xff;
/* Either output this as an address or as a number. If it's
a dword with the same high-byte as the address of the
insn, assume it's an address, and also if it's a non-zero
non-0xff high-byte. If this is a jsr or a jump, then
it's definitely an address. */
if (nbytes == 4
&& (highbyte == ((addr >> 24) & 0xff)
|| (highbyte != 0 && highbyte != 0xff)
|| info->insn_type == dis_branch
|| info->insn_type == dis_jsr))
{
/* Finish off and output previous formatted bytes. */
*tp = 0;
tp = temp;
if (temp[0])
(*info->fprintf_func) (info->stream, "%s", temp);
(*info->print_address_func) ((bfd_vma) number, info);
info->target = number;
}
else
tp = format_hex (number, tp, disdata);
}
}
else
{
/* Not an immediate number. Then this is a (possibly
prefixed) memory operand. */
if (info->insn_type != dis_nonbranch)
{
int mode_size
= 1 << ((insn >> 4)
& (opcodep->args[0] == 'z' ? 1 : 3));
int size;
info->insn_type = dis_dref;
info->flags |= CRIS_DIS_FLAG_MEMREF;
if (opcodep->imm_oprnd_size == SIZE_FIX_32)
size = 4;
else if (opcodep->imm_oprnd_size == SIZE_SPEC_REG)
{
const struct cris_spec_reg *sregp
= spec_reg_info ((insn >> 12) & 15, disdata->distype);
/* FIXME: Improve error handling; should have been caught
earlier. */
if (sregp == NULL)
size = 4;
else
size = sregp->reg_size;
}
else
size = mode_size;
info->data_size = size;
}
*tp++ = '[';
if (prefix_opcodep
/* We don't match dip with a postincremented field
as a side-effect address mode. */
&& ((insn & 0x400) == 0
|| prefix_opcodep->match != DIP_OPCODE))
{
if (insn & 0x400)
{
tp = format_reg (disdata, insn & 15, tp, with_reg_prefix);
*tp++ = '=';
}
/* We mainly ignore the prefix format string when the
address-mode syntax is output. */
switch (prefix_opcodep->match)
{
case DIP_OPCODE:
/* It's [r], [r+] or [pc+]. */
if ((prefix_insn & 0x400) && (prefix_insn & 15) == 15)
{
/* It's [pc+]. This cannot possibly be anything
but an address. */
unsigned long number
= prefix_buffer[2] + prefix_buffer[3] * 256
+ prefix_buffer[4] * 65536
+ prefix_buffer[5] * 0x1000000;
info->target = (bfd_vma) number;
/* Finish off and output previous formatted
data. */
*tp = 0;
tp = temp;
if (temp[0])
(*info->fprintf_func) (info->stream, "%s", temp);
(*info->print_address_func) ((bfd_vma) number, info);
}
else
{
/* For a memref in an address, we use target2.
In this case, target is zero. */
info->flags
|= (CRIS_DIS_FLAG_MEM_TARGET2_IS_REG
| CRIS_DIS_FLAG_MEM_TARGET2_MEM);
info->target2 = prefix_insn & 15;
*tp++ = '[';
tp = format_reg (disdata, prefix_insn & 15, tp,
with_reg_prefix);
if (prefix_insn & 0x400)
*tp++ = '+';
*tp++ = ']';
}
break;
case BDAP_QUICK_OPCODE:
{
int number;
number = prefix_buffer[0];
if (number > 127)
number -= 256;
/* Output "reg+num" or, if num < 0, "reg-num". */
tp = format_reg (disdata, (prefix_insn >> 12) & 15, tp,
with_reg_prefix);
if (number >= 0)
*tp++ = '+';
tp = format_dec (number, tp, 1);
info->flags |= CRIS_DIS_FLAG_MEM_TARGET_IS_REG;
info->target = (prefix_insn >> 12) & 15;
info->target2 = (bfd_vma) number;
break;
}
case BIAP_OPCODE:
/* Output "r+R.m". */
tp = format_reg (disdata, prefix_insn & 15, tp,
with_reg_prefix);
*tp++ = '+';
tp = format_reg (disdata, (prefix_insn >> 12) & 15, tp,
with_reg_prefix);
*tp++ = '.';
*tp++ = mode_char[(prefix_insn >> 4) & 3];
info->flags
|= (CRIS_DIS_FLAG_MEM_TARGET2_IS_REG
| CRIS_DIS_FLAG_MEM_TARGET_IS_REG
| ((prefix_insn & 0x8000)
? CRIS_DIS_FLAG_MEM_TARGET2_MULT4
: ((prefix_insn & 0x8000)
? CRIS_DIS_FLAG_MEM_TARGET2_MULT2 : 0)));
/* Is it the casejump? It's a "adds.w [pc+r%d.w],pc". */
if (insn == 0xf83f && (prefix_insn & ~0xf000) == 0x55f)
/* Then start interpreting data as offsets. */
case_offset_counter = no_of_case_offsets;
break;
case BDAP_INDIR_OPCODE:
/* Output "r+s.m", or, if "s" is [pc+], "r+s" or
"r-s". */
tp = format_reg (disdata, (prefix_insn >> 12) & 15, tp,
with_reg_prefix);
if ((prefix_insn & 0x400) && (prefix_insn & 15) == 15)
{
long number;
unsigned int nbytes;
/* It's a value. Get its size. */
int mode_size = 1 << ((prefix_insn >> 4) & 3);
if (mode_size == 1)
nbytes = 2;
else
nbytes = mode_size;
switch (nbytes)
{
case 1:
number = prefix_buffer[2];
if (number > 127)
number -= 256;
break;
case 2:
number = prefix_buffer[2] + prefix_buffer[3] * 256;
if (number > 32767)
number -= 65536;
break;
case 4:
number
= prefix_buffer[2] + prefix_buffer[3] * 256
+ prefix_buffer[4] * 65536
+ prefix_buffer[5] * 0x1000000;
break;
default:
strcpy (tp, "bug");
tp += 3;
number = 42;
}
info->flags |= CRIS_DIS_FLAG_MEM_TARGET_IS_REG;
info->target2 = (bfd_vma) number;
/* If the size is dword, then assume it's an
address. */
if (nbytes == 4)
{
/* Finish off and output previous formatted
bytes. */
*tp++ = '+';
*tp = 0;
tp = temp;
(*info->fprintf_func) (info->stream, "%s", temp);
(*info->print_address_func) ((bfd_vma) number, info);
}
else
{
if (number >= 0)
*tp++ = '+';
tp = format_dec (number, tp, 1);
}
}
else
{
/* Output "r+[R].m" or "r+[R+].m". */
*tp++ = '+';
*tp++ = '[';
tp = format_reg (disdata, prefix_insn & 15, tp,
with_reg_prefix);
if (prefix_insn & 0x400)
*tp++ = '+';
*tp++ = ']';
*tp++ = '.';
*tp++ = mode_char[(prefix_insn >> 4) & 3];
info->flags
|= (CRIS_DIS_FLAG_MEM_TARGET2_IS_REG
| CRIS_DIS_FLAG_MEM_TARGET2_MEM
| CRIS_DIS_FLAG_MEM_TARGET_IS_REG
| (((prefix_insn >> 4) == 2)
? 0
: (((prefix_insn >> 4) & 3) == 1
? CRIS_DIS_FLAG_MEM_TARGET2_MEM_WORD
: CRIS_DIS_FLAG_MEM_TARGET2_MEM_BYTE)));
}
break;
default:
(*info->fprintf_func) (info->stream, "?prefix-bug");
}
/* To mark that the prefix is used, reset it. */
prefix_opcodep = NULL;
}
else
{
tp = format_reg (disdata, insn & 15, tp, with_reg_prefix);
info->flags |= CRIS_DIS_FLAG_MEM_TARGET_IS_REG;
info->target = insn & 15;
if (insn & 0x400)
*tp++ = '+';
}
*tp++ = ']';
}
break;
case 'x':
tp = format_reg (disdata, (insn >> 12) & 15, tp, with_reg_prefix);
*tp++ = '.';
*tp++ = mode_char[(insn >> 4) & 3];
break;
case 'I':
tp = format_dec (insn & 63, tp, 0);
break;
case 'b':
{
int where = buffer[2] + buffer[3] * 256;
if (where > 32767)
where -= 65536;
where += addr + ((disdata->distype == cris_dis_v32) ? 0 : 4);
if (insn == BA_PC_INCR_OPCODE)
info->insn_type = dis_branch;
else
info->insn_type = dis_condbranch;
info->target = (bfd_vma) where;
*tp = 0;
tp = temp;
(*info->fprintf_func) (info->stream, "%s%s ",
temp, cris_cc_strings[insn >> 12]);
(*info->print_address_func) ((bfd_vma) where, info);
}
break;
case 'c':
tp = format_dec (insn & 31, tp, 0);
break;
case 'C':
tp = format_dec (insn & 15, tp, 0);
break;
case 'o':
{
long offset = insn & 0xfe;
bfd_vma target;
if (insn & 1)
offset |= ~0xff;
if (opcodep->match == BA_QUICK_OPCODE)
info->insn_type = dis_branch;
else
info->insn_type = dis_condbranch;
target = addr + ((disdata->distype == cris_dis_v32) ? 0 : 2) + offset;
info->target = target;
*tp = 0;
tp = temp;
(*info->fprintf_func) (info->stream, "%s", temp);
(*info->print_address_func) (target, info);
}
break;
case 'Q':
case 'O':
{
long number = buffer[0];
if (number > 127)
number = number - 256;
tp = format_dec (number, tp, 1);
*tp++ = ',';
tp = format_reg (disdata, (insn >> 12) & 15, tp, with_reg_prefix);
}
break;
case 'f':
tp = print_flags (disdata, insn, tp);
break;
case 'i':
tp = format_dec ((insn & 32) ? (insn & 31) | ~31L : insn & 31, tp, 1);
break;
case 'P':
{
const struct cris_spec_reg *sregp
= spec_reg_info ((insn >> 12) & 15, disdata->distype);
if (sregp->name == NULL)
/* Should have been caught as a non-match earlier. */
*tp++ = '?';
else
{
if (with_reg_prefix)
*tp++ = REGISTER_PREFIX_CHAR;
strcpy (tp, sregp->name);
tp += strlen (tp);
}
}
break;
default:
strcpy (tp, "???");
tp += 3;
}
}
*tp = 0;
if (prefix_opcodep)
(*info->fprintf_func) (info->stream, " (OOPS unused prefix \"%s: %s\")",
prefix_opcodep->name, prefix_opcodep->args);
(*info->fprintf_func) (info->stream, "%s", temp);
/* Get info for matching case-tables, if we don't have any active.
We assume that the last constant seen is used; either in the insn
itself or in a "move.d const,rN, sub.d rN,rM"-like sequence. */
if (TRACE_CASE && case_offset_counter == 0)
{
if (CONST_STRNEQ (opcodep->name, "sub"))
case_offset = last_immediate;
/* It could also be an "add", if there are negative case-values. */
else if (CONST_STRNEQ (opcodep->name, "add"))
/* The first case is the negated operand to the add. */
case_offset = -last_immediate;
/* A bound insn will tell us the number of cases. */
else if (CONST_STRNEQ (opcodep->name, "bound"))
no_of_case_offsets = last_immediate + 1;
/* A jump or jsr or branch breaks the chain of insns for a
case-table, so assume default first-case again. */
else if (info->insn_type == dis_jsr
|| info->insn_type == dis_branch
|| info->insn_type == dis_condbranch)
case_offset = 0;
}
}
| 20,793 |
qemu | bd269ebc82fbaa5fe7ce5bc7c1770ac8acecd884 | 0 | static void socket_start_outgoing_migration(MigrationState *s,
SocketAddressLegacy *saddr,
Error **errp)
{
QIOChannelSocket *sioc = qio_channel_socket_new();
struct SocketConnectData *data = g_new0(struct SocketConnectData, 1);
data->s = s;
if (saddr->type == SOCKET_ADDRESS_LEGACY_KIND_INET) {
data->hostname = g_strdup(saddr->u.inet.data->host);
}
qio_channel_set_name(QIO_CHANNEL(sioc), "migration-socket-outgoing");
qio_channel_socket_connect_async(sioc,
saddr,
socket_outgoing_migration,
data,
socket_connect_data_free);
qapi_free_SocketAddressLegacy(saddr);
}
| 20,794 |
qemu | 503006983a19be0b481946afac2cab0bdd21f124 | 0 | static void define_aarch64_debug_regs(ARMCPU *cpu)
{
/* Define breakpoint and watchpoint registers. These do nothing
* but read as written, for now.
*/
int i;
for (i = 0; i < 16; i++) {
ARMCPRegInfo dbgregs[] = {
{ .name = "DBGBVR", .state = ARM_CP_STATE_AA64,
.opc0 = 2, .opc1 = 0, .crn = 0, .crm = i, .opc2 = 4,
.access = PL1_RW,
.fieldoffset = offsetof(CPUARMState, cp15.dbgbvr[i]) },
{ .name = "DBGBCR", .state = ARM_CP_STATE_AA64,
.opc0 = 2, .opc1 = 0, .crn = 0, .crm = i, .opc2 = 5,
.access = PL1_RW,
.fieldoffset = offsetof(CPUARMState, cp15.dbgbcr[i]) },
{ .name = "DBGWVR", .state = ARM_CP_STATE_AA64,
.opc0 = 2, .opc1 = 0, .crn = 0, .crm = i, .opc2 = 6,
.access = PL1_RW,
.fieldoffset = offsetof(CPUARMState, cp15.dbgwvr[i]) },
{ .name = "DBGWCR", .state = ARM_CP_STATE_AA64,
.opc0 = 2, .opc1 = 0, .crn = 0, .crm = i, .opc2 = 7,
.access = PL1_RW,
.fieldoffset = offsetof(CPUARMState, cp15.dbgwcr[i]) },
REGINFO_SENTINEL
};
define_arm_cp_regs(cpu, dbgregs);
}
}
| 20,795 |
qemu | 80b8c0be748d2cf8a90955e409956cee1c932a38 | 0 | static void add_pc_test_case(const char *mname)
{
char *path;
PlugTestData *data;
if (!g_str_has_prefix(mname, "pc-")) {
return;
}
data = g_new(PlugTestData, 1);
data->machine = g_strdup(mname);
data->cpu_model = "Haswell"; /* 1.3+ theoretically */
data->sockets = 1;
data->cores = 3;
data->threads = 2;
data->maxcpus = data->sockets * data->cores * data->threads * 2;
if (g_str_has_suffix(mname, "-1.4") ||
(strcmp(mname, "pc-1.3") == 0) ||
(strcmp(mname, "pc-1.2") == 0) ||
(strcmp(mname, "pc-1.1") == 0) ||
(strcmp(mname, "pc-1.0") == 0) ||
(strcmp(mname, "pc-0.15") == 0) ||
(strcmp(mname, "pc-0.14") == 0) ||
(strcmp(mname, "pc-0.13") == 0) ||
(strcmp(mname, "pc-0.12") == 0) ||
(strcmp(mname, "pc-0.11") == 0) ||
(strcmp(mname, "pc-0.10") == 0)) {
path = g_strdup_printf("cpu/%s/init/%ux%ux%u&maxcpus=%u",
mname, data->sockets, data->cores,
data->threads, data->maxcpus);
qtest_add_data_func_full(path, data, test_plug_without_cpu_add,
test_data_free);
g_free(path);
} else {
path = g_strdup_printf("cpu/%s/add/%ux%ux%u&maxcpus=%u",
mname, data->sockets, data->cores,
data->threads, data->maxcpus);
qtest_add_data_func_full(path, data, test_plug_with_cpu_add,
test_data_free);
g_free(path);
}
}
| 20,796 |
qemu | d0cc2fbfa607678866475383c508be84818ceb64 | 0 | void event_notifier_cleanup(EventNotifier *e)
{
close(e->fd);
}
| 20,798 |
qemu | a7812ae412311d7d47f8aa85656faadac9d64b56 | 0 | static void alpha_translate_init(void)
{
int i;
char *p;
static int done_init = 0;
if (done_init)
return;
cpu_env = tcg_global_reg_new(TCG_TYPE_PTR, TCG_AREG0, "env");
p = cpu_reg_names;
for (i = 0; i < 31; i++) {
sprintf(p, "ir%d", i);
cpu_ir[i] = tcg_global_mem_new(TCG_TYPE_I64, TCG_AREG0,
offsetof(CPUState, ir[i]), p);
p += (i < 10) ? 4 : 5;
sprintf(p, "fir%d", i);
cpu_fir[i] = tcg_global_mem_new(TCG_TYPE_I64, TCG_AREG0,
offsetof(CPUState, fir[i]), p);
p += (i < 10) ? 5 : 6;
}
cpu_pc = tcg_global_mem_new(TCG_TYPE_I64, TCG_AREG0,
offsetof(CPUState, pc), "pc");
cpu_lock = tcg_global_mem_new(TCG_TYPE_I64, TCG_AREG0,
offsetof(CPUState, lock), "lock");
/* register helpers */
#undef DEF_HELPER
#define DEF_HELPER(ret, name, params) tcg_register_helper(name, #name);
#include "helper.h"
done_init = 1;
}
| 20,799 |
FFmpeg | 4a0f6651434c6f213d830140f575b4ec7858519f | 0 | static int raw_decode(AVCodecContext *avctx, void *data, int *got_frame,
AVPacket *avpkt)
{
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt);
RawVideoContext *context = avctx->priv_data;
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
int need_copy = !avpkt->buf || context->is_2_4_bpp || context->is_yuv2;
int res;
AVFrame *frame = data;
AVPicture *picture = data;
frame->pict_type = AV_PICTURE_TYPE_I;
frame->key_frame = 1;
frame->reordered_opaque = avctx->reordered_opaque;
frame->pkt_pts = avctx->internal->pkt->pts;
if (buf_size < context->frame_size - (avctx->pix_fmt == AV_PIX_FMT_PAL8 ?
AVPALETTE_SIZE : 0))
return -1;
if (need_copy)
frame->buf[0] = av_buffer_alloc(context->frame_size);
else
frame->buf[0] = av_buffer_ref(avpkt->buf);
if (!frame->buf[0])
return AVERROR(ENOMEM);
//2bpp and 4bpp raw in avi and mov (yes this is ugly ...)
if (context->is_2_4_bpp) {
int i;
uint8_t *dst = frame->buf[0]->data;
buf_size = context->frame_size - AVPALETTE_SIZE;
if (avctx->bits_per_coded_sample == 4) {
for (i = 0; 2 * i + 1 < buf_size; i++) {
dst[2 * i + 0] = buf[i] >> 4;
dst[2 * i + 1] = buf[i] & 15;
}
} else {
for (i = 0; 4 * i + 3 < buf_size; i++) {
dst[4 * i + 0] = buf[i] >> 6;
dst[4 * i + 1] = buf[i] >> 4 & 3;
dst[4 * i + 2] = buf[i] >> 2 & 3;
dst[4 * i + 3] = buf[i] & 3;
}
}
buf = dst;
} else if (need_copy) {
memcpy(frame->buf[0]->data, buf, FFMIN(buf_size, context->frame_size));
buf = frame->buf[0]->data;
}
if (avctx->codec_tag == MKTAG('A', 'V', '1', 'x') ||
avctx->codec_tag == MKTAG('A', 'V', 'u', 'p'))
buf += buf_size - context->frame_size;
if ((res = avpicture_fill(picture, buf, avctx->pix_fmt,
avctx->width, avctx->height)) < 0)
return res;
if (avctx->pix_fmt == AV_PIX_FMT_PAL8) {
const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE,
NULL);
if (pal) {
av_buffer_unref(&context->palette);
context->palette = av_buffer_alloc(AVPALETTE_SIZE);
if (!context->palette)
return AVERROR(ENOMEM);
memcpy(context->palette->data, pal, AVPALETTE_SIZE);
frame->palette_has_changed = 1;
}
}
if ((avctx->pix_fmt == AV_PIX_FMT_PAL8 && buf_size < context->frame_size) ||
(desc->flags & AV_PIX_FMT_FLAG_PSEUDOPAL)) {
frame->buf[1] = av_buffer_ref(context->palette);
if (!frame->buf[1])
return AVERROR(ENOMEM);
frame->data[1] = frame->buf[1]->data;
}
if (avctx->pix_fmt == AV_PIX_FMT_BGR24 &&
((frame->linesize[0] + 3) & ~3) * avctx->height <= buf_size)
frame->linesize[0] = (frame->linesize[0] + 3) & ~3;
if (context->flip)
flip(avctx, picture);
if (avctx->codec_tag == MKTAG('Y', 'V', '1', '2') ||
avctx->codec_tag == MKTAG('Y', 'V', '1', '6') ||
avctx->codec_tag == MKTAG('Y', 'V', '2', '4') ||
avctx->codec_tag == MKTAG('Y', 'V', 'U', '9'))
FFSWAP(uint8_t *, picture->data[1], picture->data[2]);
if (avctx->codec_tag == AV_RL32("yuv2") &&
avctx->pix_fmt == AV_PIX_FMT_YUYV422) {
int x, y;
uint8_t *line = picture->data[0];
for (y = 0; y < avctx->height; y++) {
for (x = 0; x < avctx->width; x++)
line[2 * x + 1] ^= 0x80;
line += picture->linesize[0];
}
}
*got_frame = 1;
return buf_size;
}
| 20,800 |
qemu | bf0da4df83e8af7ec02e3809f3dd30cc0a42e4bc | 0 | static void *data_plane_thread(void *opaque)
{
VirtIOBlockDataPlane *s = opaque;
do {
aio_poll(s->ctx, true);
} while (!s->stopping || s->num_reqs > 0);
return NULL;
}
| 20,801 |
qemu | e01b444523e2b0c663b42b3e8f44ef48a6153051 | 0 | static int ppc_hash32_check_prot(int prot, int rwx)
{
int ret;
if (rwx == 2) {
if (prot & PAGE_EXEC) {
ret = 0;
} else {
ret = -2;
}
} else if (rwx) {
if (prot & PAGE_WRITE) {
ret = 0;
} else {
ret = -2;
}
} else {
if (prot & PAGE_READ) {
ret = 0;
} else {
ret = -2;
}
}
return ret;
}
| 20,804 |
qemu | 316378e4d0214b45cfeaa01609aca4dabb18d78b | 0 | static void do_inject_mce(Monitor *mon, const QDict *qdict)
{
CPUState *cenv;
int cpu_index = qdict_get_int(qdict, "cpu_index");
int bank = qdict_get_int(qdict, "bank");
uint64_t status = qdict_get_int(qdict, "status");
uint64_t mcg_status = qdict_get_int(qdict, "mcg_status");
uint64_t addr = qdict_get_int(qdict, "addr");
uint64_t misc = qdict_get_int(qdict, "misc");
int broadcast = qdict_get_try_bool(qdict, "broadcast", 0);
for (cenv = first_cpu; cenv != NULL; cenv = cenv->next_cpu) {
if (cenv->cpu_index == cpu_index && cenv->mcg_cap) {
cpu_x86_inject_mce(cenv, bank, status, mcg_status, addr, misc,
broadcast);
break;
}
}
}
| 20,805 |
qemu | ad1be89948f88e89708b04ccd782456ccec3a6f0 | 0 | static void spice_register_types(void)
{
qemu_spice_init();
}
| 20,806 |
qemu | 4f5e19e6c570459cd524b29b24374f03860f5149 | 0 | static int pci_grackle_init_device(SysBusDevice *dev)
{
GrackleState *s;
int pci_mem_config, pci_mem_data;
s = FROM_SYSBUS(GrackleState, dev);
pci_mem_config = cpu_register_io_memory(pci_grackle_config_read,
pci_grackle_config_write, s);
pci_mem_data = cpu_register_io_memory(pci_grackle_read,
pci_grackle_write,
&s->host_state);
sysbus_init_mmio(dev, 0x1000, pci_mem_config);
sysbus_init_mmio(dev, 0x1000, pci_mem_data);
register_savevm("grackle", 0, 1, pci_grackle_save, pci_grackle_load,
&s->host_state);
qemu_register_reset(pci_grackle_reset, &s->host_state);
return 0;
}
| 20,807 |
qemu | 4baef2679e029c76707be1e2ed54bf3dd21693fe | 0 | int qemu_strtoul(const char *nptr, const char **endptr, int base,
unsigned long *result)
{
char *ep;
int err = 0;
if (!nptr) {
if (endptr) {
*endptr = nptr;
}
err = -EINVAL;
} else {
errno = 0;
*result = strtoul(nptr, &ep, base);
/* Windows returns 1 for negative out-of-range values. */
if (errno == ERANGE) {
*result = -1;
}
err = check_strtox_error(nptr, ep, endptr, errno);
}
return err;
}
| 20,808 |
qemu | 57407ea44cc0a3d630b9b89a2be011f1955ce5c1 | 0 | static void rtl8139_cleanup(NetClientState *nc)
{
RTL8139State *s = qemu_get_nic_opaque(nc);
s->nic = NULL;
}
| 20,809 |
qemu | 54f254f973a1b2ed0f3571390f4de060adfe23e8 | 0 | static int uhci_handle_td(UHCIState *s, UHCI_TD *td, uint32_t *int_mask,
int completion)
{
uint8_t pid;
int len = 0, max_len, err, ret = 0;
/* ??? This is wrong for async completion. */
if (td->ctrl & TD_CTRL_IOC) {
*int_mask |= 0x01;
}
if (!(td->ctrl & TD_CTRL_ACTIVE))
return 1;
/* TD is active */
max_len = ((td->token >> 21) + 1) & 0x7ff;
pid = td->token & 0xff;
if (completion && (s->async_qh || s->async_frame_addr)) {
ret = s->usb_packet.len;
if (ret >= 0) {
len = ret;
if (len > max_len) {
len = max_len;
ret = USB_RET_BABBLE;
}
if (len > 0) {
/* write the data back */
cpu_physical_memory_write(td->buffer, s->usb_buf, len);
}
} else {
len = 0;
}
s->async_qh = 0;
s->async_frame_addr = 0;
} else if (!completion) {
s->usb_packet.pid = pid;
s->usb_packet.devaddr = (td->token >> 8) & 0x7f;
s->usb_packet.devep = (td->token >> 15) & 0xf;
s->usb_packet.data = s->usb_buf;
s->usb_packet.len = max_len;
s->usb_packet.complete_cb = uhci_async_complete_packet;
s->usb_packet.complete_opaque = s;
switch(pid) {
case USB_TOKEN_OUT:
case USB_TOKEN_SETUP:
cpu_physical_memory_read(td->buffer, s->usb_buf, max_len);
ret = uhci_broadcast_packet(s, &s->usb_packet);
len = max_len;
break;
case USB_TOKEN_IN:
ret = uhci_broadcast_packet(s, &s->usb_packet);
if (ret >= 0) {
len = ret;
if (len > max_len) {
len = max_len;
ret = USB_RET_BABBLE;
}
if (len > 0) {
/* write the data back */
cpu_physical_memory_write(td->buffer, s->usb_buf, len);
}
} else {
len = 0;
}
break;
default:
/* invalid pid : frame interrupted */
s->status |= UHCI_STS_HCPERR;
uhci_update_irq(s);
return -1;
}
}
if (ret == USB_RET_ASYNC) {
return 2;
}
if (td->ctrl & TD_CTRL_IOS)
td->ctrl &= ~TD_CTRL_ACTIVE;
if (ret >= 0) {
td->ctrl = (td->ctrl & ~0x7ff) | ((len - 1) & 0x7ff);
/* The NAK bit may have been set by a previous frame, so clear it
here. The docs are somewhat unclear, but win2k relies on this
behavior. */
td->ctrl &= ~(TD_CTRL_ACTIVE | TD_CTRL_NAK);
if (pid == USB_TOKEN_IN &&
(td->ctrl & TD_CTRL_SPD) &&
len < max_len) {
*int_mask |= 0x02;
/* short packet: do not update QH */
return 1;
} else {
/* success */
return 0;
}
} else {
switch(ret) {
default:
case USB_RET_NODEV:
do_timeout:
td->ctrl |= TD_CTRL_TIMEOUT;
err = (td->ctrl >> TD_CTRL_ERROR_SHIFT) & 3;
if (err != 0) {
err--;
if (err == 0) {
td->ctrl &= ~TD_CTRL_ACTIVE;
s->status |= UHCI_STS_USBERR;
uhci_update_irq(s);
}
}
td->ctrl = (td->ctrl & ~(3 << TD_CTRL_ERROR_SHIFT)) |
(err << TD_CTRL_ERROR_SHIFT);
return 1;
case USB_RET_NAK:
td->ctrl |= TD_CTRL_NAK;
if (pid == USB_TOKEN_SETUP)
goto do_timeout;
return 1;
case USB_RET_STALL:
td->ctrl |= TD_CTRL_STALL;
td->ctrl &= ~TD_CTRL_ACTIVE;
return 1;
case USB_RET_BABBLE:
td->ctrl |= TD_CTRL_BABBLE | TD_CTRL_STALL;
td->ctrl &= ~TD_CTRL_ACTIVE;
/* frame interrupted */
return -1;
}
}
}
| 20,810 |
qemu | 45a50b1668822c23afc2a89f724654e176518bc4 | 0 | static void option_rom_reset(void *_rrd)
{
RomResetData *rrd = _rrd;
cpu_physical_memory_write_rom(rrd->addr, rrd->data, rrd->size);
}
| 20,813 |
qemu | 364031f17932814484657e5551ba12957d993d7e | 0 | static int v9fs_synth_lremovexattr(FsContext *ctx,
V9fsPath *path, const char *name)
{
errno = ENOTSUP;
return -1;
}
| 20,814 |
qemu | 3ad493fc5ea38c005670adc5933058a28ccabdd4 | 0 | static inline int get_phys_addr(CPUState *env, uint32_t address,
int access_type, int is_user,
uint32_t *phys_ptr, int *prot,
target_ulong *page_size)
{
/* Fast Context Switch Extension. */
if (address < 0x02000000)
address += env->cp15.c13_fcse;
if ((env->cp15.c1_sys & 1) == 0) {
/* MMU/MPU disabled. */
*phys_ptr = address;
*prot = PAGE_READ | PAGE_WRITE;
*page_size = TARGET_PAGE_SIZE;
return 0;
} else if (arm_feature(env, ARM_FEATURE_MPU)) {
*page_size = TARGET_PAGE_SIZE;
return get_phys_addr_mpu(env, address, access_type, is_user, phys_ptr,
prot);
} else if (env->cp15.c1_sys & (1 << 23)) {
return get_phys_addr_v6(env, address, access_type, is_user, phys_ptr,
prot, page_size);
} else {
return get_phys_addr_v5(env, address, access_type, is_user, phys_ptr,
prot, page_size);
}
}
| 20,815 |
qemu | a8170e5e97ad17ca169c64ba87ae2f53850dab4c | 0 | static uint64_t a9_scu_read(void *opaque, target_phys_addr_t offset,
unsigned size)
{
a9mp_priv_state *s = (a9mp_priv_state *)opaque;
switch (offset) {
case 0x00: /* Control */
return s->scu_control;
case 0x04: /* Configuration */
return (((1 << s->num_cpu) - 1) << 4) | (s->num_cpu - 1);
case 0x08: /* CPU Power Status */
return s->scu_status;
case 0x09: /* CPU status. */
return s->scu_status >> 8;
case 0x0a: /* CPU status. */
return s->scu_status >> 16;
case 0x0b: /* CPU status. */
return s->scu_status >> 24;
case 0x0c: /* Invalidate All Registers In Secure State */
return 0;
case 0x40: /* Filtering Start Address Register */
case 0x44: /* Filtering End Address Register */
/* RAZ/WI, like an implementation with only one AXI master */
return 0;
case 0x50: /* SCU Access Control Register */
case 0x54: /* SCU Non-secure Access Control Register */
/* unimplemented, fall through */
default:
return 0;
}
}
| 20,816 |
qemu | a8170e5e97ad17ca169c64ba87ae2f53850dab4c | 0 | uint32_t ldl_phys(target_phys_addr_t addr)
{
return ldl_phys_internal(addr, DEVICE_NATIVE_ENDIAN);
}
| 20,817 |
qemu | 872dd82c83745a603d2e07a03d34313eb6467ae4 | 0 | void virtio_queue_set_host_notifier_fd_handler(VirtQueue *vq, bool assign,
bool set_handler)
{
if (assign && set_handler) {
event_notifier_set_handler(&vq->host_notifier, true,
virtio_queue_host_notifier_read);
} else {
event_notifier_set_handler(&vq->host_notifier, true, NULL);
}
if (!assign) {
/* Test and clear notifier before after disabling event,
* in case poll callback didn't have time to run. */
virtio_queue_host_notifier_read(&vq->host_notifier);
}
}
| 20,818 |
qemu | c2b38b277a7882a592f4f2ec955084b2b756daaa | 0 | bool qemu_clock_use_for_deadline(QEMUClockType type)
{
return !(use_icount && (type == QEMU_CLOCK_VIRTUAL));
}
| 20,819 |
qemu | 7e2515e87c41e2e658aaed466e11cbdf1ea8bcb1 | 0 | static void term_forward_char(void)
{
if (term_cmd_buf_index < term_cmd_buf_size) {
term_cmd_buf_index++;
}
}
| 20,820 |
qemu | 9f2130f58d5dd4e1fcb435cca08bf77e7c32e6c6 | 0 | static int input_initialise(struct XenDevice *xendev)
{
struct XenInput *in = container_of(xendev, struct XenInput, c.xendev);
int rc;
if (!in->c.con) {
xen_pv_printf(xendev, 1, "ds not set (yet)\n");
return -1;
}
rc = common_bind(&in->c);
if (rc != 0)
return rc;
qemu_add_kbd_event_handler(xenfb_key_event, in);
return 0;
}
| 20,821 |
qemu | 1ea879e5580f63414693655fcf0328559cdce138 | 0 | int audio_pcm_sw_read (SWVoiceIn *sw, void *buf, int size)
{
HWVoiceIn *hw = sw->hw;
int samples, live, ret = 0, swlim, isamp, osamp, rpos, total = 0;
st_sample_t *src, *dst = sw->buf;
rpos = audio_pcm_sw_get_rpos_in (sw) % hw->samples;
live = hw->total_samples_captured - sw->total_hw_samples_acquired;
if (audio_bug (AUDIO_FUNC, live < 0 || live > hw->samples)) {
dolog ("live_in=%d hw->samples=%d\n", live, hw->samples);
return 0;
}
samples = size >> sw->info.shift;
if (!live) {
return 0;
}
swlim = (live * sw->ratio) >> 32;
swlim = audio_MIN (swlim, samples);
while (swlim) {
src = hw->conv_buf + rpos;
isamp = hw->wpos - rpos;
/* XXX: <= ? */
if (isamp <= 0) {
isamp = hw->samples - rpos;
}
if (!isamp) {
break;
}
osamp = swlim;
if (audio_bug (AUDIO_FUNC, osamp < 0)) {
dolog ("osamp=%d\n", osamp);
return 0;
}
st_rate_flow (sw->rate, src, dst, &isamp, &osamp);
swlim -= osamp;
rpos = (rpos + isamp) % hw->samples;
dst += osamp;
ret += osamp;
total += isamp;
}
sw->clip (buf, sw->buf, ret);
sw->total_hw_samples_acquired += total;
return ret << sw->info.shift;
}
| 20,822 |
qemu | c7b4b0b302709928b84582881a7b4fb6c1e39e2b | 0 | static void v9fs_wstat_post_chown(V9fsState *s, V9fsWstatState *vs, int err)
{
V9fsFidState *fidp;
if (err < 0) {
goto out;
}
if (vs->v9stat.name.size != 0) {
char *old_name, *new_name;
char *end;
old_name = vs->fidp->path.data;
end = strrchr(old_name, '/');
if (end) {
end++;
} else {
end = old_name;
}
new_name = qemu_mallocz(end - old_name + vs->v9stat.name.size + 1);
memcpy(new_name, old_name, end - old_name);
memcpy(new_name + (end - old_name), vs->v9stat.name.data,
vs->v9stat.name.size);
vs->nname.data = new_name;
vs->nname.size = strlen(new_name);
if (strcmp(new_name, vs->fidp->path.data) != 0) {
if (v9fs_do_rename(s, &vs->fidp->path, &vs->nname)) {
err = -errno;
} else {
/*
* Fixup fid's pointing to the old name to
* start pointing to the new name
*/
for (fidp = s->fid_list; fidp; fidp = fidp->next) {
if (vs->fidp == fidp) {
/*
* we replace name of this fid towards the end
* so that our below strcmp will work
*/
continue;
}
if (!strncmp(vs->fidp->path.data, fidp->path.data,
strlen(vs->fidp->path.data))) {
/* replace the name */
v9fs_fix_path(&fidp->path, &vs->nname,
strlen(vs->fidp->path.data));
}
}
v9fs_string_copy(&vs->fidp->path, &vs->nname);
}
}
}
v9fs_wstat_post_rename(s, vs, err);
return;
out:
v9fs_stat_free(&vs->v9stat);
complete_pdu(s, vs->pdu, err);
qemu_free(vs);
}
| 20,824 |
FFmpeg | 7c1835c52a4be2e4e996f83c91a8d5a147b01100 | 0 | static int mpeg4video_probe(AVProbeData *probe_packet)
{
uint32_t temp_buffer= -1;
int VO=0, VOL=0, VOP = 0, VISO = 0, res=0;
int i;
for(i=0; i<probe_packet->buf_size; i++){
temp_buffer = (temp_buffer<<8) + probe_packet->buf[i];
if ((temp_buffer & 0xffffff00) != 0x100)
continue;
if (temp_buffer == VOP_START_CODE) VOP++;
else if (temp_buffer == VISUAL_OBJECT_START_CODE) VISO++;
else if (temp_buffer < 0x120) VO++;
else if (temp_buffer < 0x130) VOL++;
else if ( !(0x1AF < temp_buffer && temp_buffer < 0x1B7)
&& !(0x1B9 < temp_buffer && temp_buffer < 0x1C4)) res++;
}
if (VOP >= VISO && VOP >= VOL && VO >= VOL && VOL > 0 && res==0)
return VOP+VO > 4 ? AVPROBE_SCORE_EXTENSION : AVPROBE_SCORE_EXTENSION/2;
return 0;
}
| 20,825 |
qemu | a27365265cc2fed1178bf25a205e8ee02a9c0caf | 0 | static BlockDriverAIOCB *raw_aio_writev(BlockDriverState *bs,
int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,
BlockDriverCompletionFunc *cb, void *opaque)
{
BDRVRawState *s = bs->opaque;
return paio_submit(bs, s->hfile, sector_num, qiov, nb_sectors,
cb, opaque, QEMU_AIO_WRITE);
}
| 20,827 |
qemu | a980a065fb5e86d6dec337e6cb6ff432f1a143c9 | 0 | static int usb_serial_handle_control(USBDevice *dev, int request, int value,
int index, int length, uint8_t *data)
{
USBSerialState *s = (USBSerialState *)dev;
int ret;
DPRINTF("got control %x, value %x\n",request, value);
ret = usb_desc_handle_control(dev, request, value, index, length, data);
if (ret >= 0) {
return ret;
}
ret = 0;
switch (request) {
case DeviceRequest | USB_REQ_GET_STATUS:
data[0] = (0 << USB_DEVICE_SELF_POWERED) |
(dev->remote_wakeup << USB_DEVICE_REMOTE_WAKEUP);
data[1] = 0x00;
ret = 2;
break;
case DeviceOutRequest | USB_REQ_CLEAR_FEATURE:
if (value == USB_DEVICE_REMOTE_WAKEUP) {
dev->remote_wakeup = 0;
} else {
goto fail;
}
ret = 0;
break;
case DeviceOutRequest | USB_REQ_SET_FEATURE:
if (value == USB_DEVICE_REMOTE_WAKEUP) {
dev->remote_wakeup = 1;
} else {
goto fail;
}
ret = 0;
break;
case DeviceRequest | USB_REQ_GET_CONFIGURATION:
data[0] = 1;
ret = 1;
break;
case DeviceOutRequest | USB_REQ_SET_CONFIGURATION:
ret = 0;
break;
case DeviceRequest | USB_REQ_GET_INTERFACE:
data[0] = 0;
ret = 1;
break;
case InterfaceOutRequest | USB_REQ_SET_INTERFACE:
ret = 0;
break;
case EndpointOutRequest | USB_REQ_CLEAR_FEATURE:
ret = 0;
break;
/* Class specific requests. */
case DeviceOutVendor | FTDI_RESET:
switch (value) {
case FTDI_RESET_SIO:
usb_serial_reset(s);
break;
case FTDI_RESET_RX:
s->recv_ptr = 0;
s->recv_used = 0;
/* TODO: purge from char device */
break;
case FTDI_RESET_TX:
/* TODO: purge from char device */
break;
}
break;
case DeviceOutVendor | FTDI_SET_MDM_CTRL:
{
static int flags;
qemu_chr_ioctl(s->cs,CHR_IOCTL_SERIAL_GET_TIOCM, &flags);
if (value & FTDI_SET_RTS) {
if (value & FTDI_RTS)
flags |= CHR_TIOCM_RTS;
else
flags &= ~CHR_TIOCM_RTS;
}
if (value & FTDI_SET_DTR) {
if (value & FTDI_DTR)
flags |= CHR_TIOCM_DTR;
else
flags &= ~CHR_TIOCM_DTR;
}
qemu_chr_ioctl(s->cs,CHR_IOCTL_SERIAL_SET_TIOCM, &flags);
break;
}
case DeviceOutVendor | FTDI_SET_FLOW_CTRL:
/* TODO: ioctl */
break;
case DeviceOutVendor | FTDI_SET_BAUD: {
static const int subdivisors8[8] = { 0, 4, 2, 1, 3, 5, 6, 7 };
int subdivisor8 = subdivisors8[((value & 0xc000) >> 14)
| ((index & 1) << 2)];
int divisor = value & 0x3fff;
/* chip special cases */
if (divisor == 1 && subdivisor8 == 0)
subdivisor8 = 4;
if (divisor == 0 && subdivisor8 == 0)
divisor = 1;
s->params.speed = (48000000 / 2) / (8 * divisor + subdivisor8);
qemu_chr_ioctl(s->cs, CHR_IOCTL_SERIAL_SET_PARAMS, &s->params);
break;
}
case DeviceOutVendor | FTDI_SET_DATA:
switch (value & FTDI_PARITY) {
case 0:
s->params.parity = 'N';
break;
case FTDI_ODD:
s->params.parity = 'O';
break;
case FTDI_EVEN:
s->params.parity = 'E';
break;
default:
DPRINTF("unsupported parity %d\n", value & FTDI_PARITY);
goto fail;
}
switch (value & FTDI_STOP) {
case FTDI_STOP1:
s->params.stop_bits = 1;
break;
case FTDI_STOP2:
s->params.stop_bits = 2;
break;
default:
DPRINTF("unsupported stop bits %d\n", value & FTDI_STOP);
goto fail;
}
qemu_chr_ioctl(s->cs, CHR_IOCTL_SERIAL_SET_PARAMS, &s->params);
/* TODO: TX ON/OFF */
break;
case DeviceInVendor | FTDI_GET_MDM_ST:
data[0] = usb_get_modem_lines(s) | 1;
data[1] = 0;
ret = 2;
break;
case DeviceOutVendor | FTDI_SET_EVENT_CHR:
/* TODO: handle it */
s->event_chr = value;
break;
case DeviceOutVendor | FTDI_SET_ERROR_CHR:
/* TODO: handle it */
s->error_chr = value;
break;
case DeviceOutVendor | FTDI_SET_LATENCY:
s->latency = value;
break;
case DeviceInVendor | FTDI_GET_LATENCY:
data[0] = s->latency;
ret = 1;
break;
default:
fail:
DPRINTF("got unsupported/bogus control %x, value %x\n", request, value);
ret = USB_RET_STALL;
break;
}
return ret;
}
| 20,828 |
qemu | fda4096fca83dcdc72e0fc0e4a1ae6e7724fb5e0 | 0 | static void test_acpi_piix4_tcg_cphp(void)
{
test_data data;
memset(&data, 0, sizeof(data));
data.machine = MACHINE_PC;
data.variant = ".cphp";
test_acpi_one("-smp 2,cores=3,sockets=2,maxcpus=6"
" -numa node -numa node",
&data);
free_test_data(&data);
}
| 20,829 |
qemu | 621ff94d5074d88253a5818c6b9c4db718fbfc65 | 0 | static void ide_dev_set_bootindex(Object *obj, Visitor *v, const char *name,
void *opaque, Error **errp)
{
IDEDevice *d = IDE_DEVICE(obj);
int32_t boot_index;
Error *local_err = NULL;
visit_type_int32(v, name, &boot_index, &local_err);
if (local_err) {
goto out;
}
/* check whether bootindex is present in fw_boot_order list */
check_boot_index(boot_index, &local_err);
if (local_err) {
goto out;
}
/* change bootindex to a new one */
d->conf.bootindex = boot_index;
if (d->unit != -1) {
add_boot_device_path(d->conf.bootindex, &d->qdev,
d->unit ? "/disk@1" : "/disk@0");
}
out:
if (local_err) {
error_propagate(errp, local_err);
}
}
| 20,830 |
qemu | 51b19ebe4320f3dcd93cea71235c1219318ddfd2 | 0 | static void virtser_port_device_realize(DeviceState *dev, Error **errp)
{
VirtIOSerialPort *port = VIRTIO_SERIAL_PORT(dev);
VirtIOSerialPortClass *vsc = VIRTIO_SERIAL_PORT_GET_CLASS(port);
VirtIOSerialBus *bus = VIRTIO_SERIAL_BUS(qdev_get_parent_bus(dev));
int max_nr_ports;
bool plugging_port0;
Error *err = NULL;
port->vser = bus->vser;
port->bh = qemu_bh_new(flush_queued_data_bh, port);
assert(vsc->have_data);
/*
* Is the first console port we're seeing? If so, put it up at
* location 0. This is done for backward compatibility (old
* kernel, new qemu).
*/
plugging_port0 = vsc->is_console && !find_port_by_id(port->vser, 0);
if (find_port_by_id(port->vser, port->id)) {
error_setg(errp, "virtio-serial-bus: A port already exists at id %u",
port->id);
return;
}
if (port->name != NULL && find_port_by_name(port->name)) {
error_setg(errp, "virtio-serial-bus: A port already exists by name %s",
port->name);
return;
}
if (port->id == VIRTIO_CONSOLE_BAD_ID) {
if (plugging_port0) {
port->id = 0;
} else {
port->id = find_free_port_id(port->vser);
if (port->id == VIRTIO_CONSOLE_BAD_ID) {
error_setg(errp, "virtio-serial-bus: Maximum port limit for "
"this device reached");
return;
}
}
}
max_nr_ports = port->vser->serial.max_virtserial_ports;
if (port->id >= max_nr_ports) {
error_setg(errp, "virtio-serial-bus: Out-of-range port id specified, "
"max. allowed: %u", max_nr_ports - 1);
return;
}
vsc->realize(dev, &err);
if (err != NULL) {
error_propagate(errp, err);
return;
}
port->elem.out_num = 0;
}
| 20,832 |
FFmpeg | a90de11dba816f57d01cf10b02eaaf90de24d5bb | 1 | void *av_malloc(unsigned int size)
{
void *ptr = NULL;
#if CONFIG_MEMALIGN_HACK
long diff;
#endif
/* let's disallow possible ambiguous cases */
if(size > (INT_MAX-16) )
return NULL;
#if CONFIG_MEMALIGN_HACK
ptr = malloc(size+16);
if(!ptr)
return ptr;
diff= ((-(long)ptr - 1)&15) + 1;
ptr = (char*)ptr + diff;
((char*)ptr)[-1]= diff;
#elif HAVE_POSIX_MEMALIGN
posix_memalign(&ptr,16,size);
#elif HAVE_MEMALIGN
ptr = memalign(16,size);
/* Why 64?
Indeed, we should align it:
on 4 for 386
on 16 for 486
on 32 for 586, PPro - K6-III
on 64 for K7 (maybe for P3 too).
Because L1 and L2 caches are aligned on those values.
But I don't want to code such logic here!
*/
/* Why 16?
Because some CPUs need alignment, for example SSE2 on P4, & most RISC CPUs
it will just trigger an exception and the unaligned load will be done in the
exception handler or it will just segfault (SSE2 on P4).
Why not larger? Because I did not see a difference in benchmarks ...
*/
/* benchmarks with P3
memalign(64)+1 3071,3051,3032
memalign(64)+2 3051,3032,3041
memalign(64)+4 2911,2896,2915
memalign(64)+8 2545,2554,2550
memalign(64)+16 2543,2572,2563
memalign(64)+32 2546,2545,2571
memalign(64)+64 2570,2533,2558
BTW, malloc seems to do 8-byte alignment by default here.
*/
#else
ptr = malloc(size);
#endif
return ptr;
}
| 20,833 |
qemu | 4f4321c11ff6e98583846bfd6f0e81954924b003 | 1 | static int do_token_in(USBDevice *s, USBPacket *p)
{
int request, value, index;
int ret = 0;
if (p->devep != 0)
return s->info->handle_data(s, p);
request = (s->setup_buf[0] << 8) | s->setup_buf[1];
value = (s->setup_buf[3] << 8) | s->setup_buf[2];
index = (s->setup_buf[5] << 8) | s->setup_buf[4];
switch(s->setup_state) {
case SETUP_STATE_ACK:
if (!(s->setup_buf[0] & USB_DIR_IN)) {
ret = s->info->handle_control(s, p, request, value, index,
s->setup_len, s->data_buf);
if (ret == USB_RET_ASYNC) {
return USB_RET_ASYNC;
}
s->setup_state = SETUP_STATE_IDLE;
if (ret > 0)
return 0;
return ret;
}
/* return 0 byte */
return 0;
case SETUP_STATE_DATA:
if (s->setup_buf[0] & USB_DIR_IN) {
int len = s->setup_len - s->setup_index;
if (len > p->len)
len = p->len;
memcpy(p->data, s->data_buf + s->setup_index, len);
s->setup_index += len;
if (s->setup_index >= s->setup_len)
s->setup_state = SETUP_STATE_ACK;
return len;
}
s->setup_state = SETUP_STATE_IDLE;
return USB_RET_STALL;
default:
return USB_RET_STALL;
}
}
| 20,834 |
qemu | 1f51470d044852592922f91000e741c381582cdc | 1 | static int qemu_chr_open_socket(QemuOpts *opts, CharDriverState **_chr)
{
CharDriverState *chr = NULL;
TCPCharDriver *s = NULL;
int fd = -1;
int is_listen;
int is_waitconnect;
int do_nodelay;
int is_unix;
int is_telnet;
int ret;
is_listen = qemu_opt_get_bool(opts, "server", 0);
is_waitconnect = qemu_opt_get_bool(opts, "wait", 1);
is_telnet = qemu_opt_get_bool(opts, "telnet", 0);
do_nodelay = !qemu_opt_get_bool(opts, "delay", 1);
is_unix = qemu_opt_get(opts, "path") != NULL;
if (!is_listen)
is_waitconnect = 0;
chr = g_malloc0(sizeof(CharDriverState));
s = g_malloc0(sizeof(TCPCharDriver));
if (is_unix) {
if (is_listen) {
fd = unix_listen_opts(opts);
} else {
fd = unix_connect_opts(opts);
}
} else {
if (is_listen) {
fd = inet_listen_opts(opts, 0);
} else {
fd = inet_connect_opts(opts);
}
}
if (fd < 0) {
ret = -errno;
goto fail;
}
if (!is_waitconnect)
socket_set_nonblock(fd);
s->connected = 0;
s->fd = -1;
s->listen_fd = -1;
s->msgfd = -1;
s->is_unix = is_unix;
s->do_nodelay = do_nodelay && !is_unix;
chr->opaque = s;
chr->chr_write = tcp_chr_write;
chr->chr_close = tcp_chr_close;
chr->get_msgfd = tcp_get_msgfd;
chr->chr_add_client = tcp_chr_add_client;
if (is_listen) {
s->listen_fd = fd;
qemu_set_fd_handler2(s->listen_fd, NULL, tcp_chr_accept, NULL, chr);
if (is_telnet)
s->do_telnetopt = 1;
} else {
s->connected = 1;
s->fd = fd;
socket_set_nodelay(fd);
tcp_chr_connect(chr);
}
/* for "info chardev" monitor command */
chr->filename = g_malloc(256);
if (is_unix) {
snprintf(chr->filename, 256, "unix:%s%s",
qemu_opt_get(opts, "path"),
qemu_opt_get_bool(opts, "server", 0) ? ",server" : "");
} else if (is_telnet) {
snprintf(chr->filename, 256, "telnet:%s:%s%s",
qemu_opt_get(opts, "host"), qemu_opt_get(opts, "port"),
qemu_opt_get_bool(opts, "server", 0) ? ",server" : "");
} else {
snprintf(chr->filename, 256, "tcp:%s:%s%s",
qemu_opt_get(opts, "host"), qemu_opt_get(opts, "port"),
qemu_opt_get_bool(opts, "server", 0) ? ",server" : "");
}
if (is_listen && is_waitconnect) {
printf("QEMU waiting for connection on: %s\n",
chr->filename);
tcp_chr_accept(chr);
socket_set_nonblock(s->listen_fd);
}
*_chr = chr;
return 0;
fail:
if (fd >= 0)
closesocket(fd);
g_free(s);
g_free(chr);
return ret;
}
| 20,836 |
qemu | 6ab3fc32ea640026726bc5f9f4db622d0954fb8a | 1 | static void imx_serial_write(void *opaque, hwaddr offset,
uint64_t value, unsigned size)
{
IMXSerialState *s = (IMXSerialState *)opaque;
unsigned char ch;
DPRINTF("write(offset=0x%" HWADDR_PRIx ", value = 0x%x) to %s\n",
offset, (unsigned int)value, s->chr ? s->chr->label : "NODEV");
switch (offset >> 2) {
case 0x10: /* UTXD */
ch = value;
if (s->ucr2 & UCR2_TXEN) {
if (s->chr) {
qemu_chr_fe_write(s->chr, &ch, 1);
}
s->usr1 &= ~USR1_TRDY;
imx_update(s);
s->usr1 |= USR1_TRDY;
imx_update(s);
}
break;
case 0x20: /* UCR1 */
s->ucr1 = value & 0xffff;
DPRINTF("write(ucr1=%x)\n", (unsigned int)value);
imx_update(s);
break;
case 0x21: /* UCR2 */
/*
* Only a few bits in control register 2 are implemented as yet.
* If it's intended to use a real serial device as a back-end, this
* register will have to be implemented more fully.
*/
if (!(value & UCR2_SRST)) {
imx_serial_reset(s);
imx_update(s);
value |= UCR2_SRST;
}
if (value & UCR2_RXEN) {
if (!(s->ucr2 & UCR2_RXEN)) {
if (s->chr) {
qemu_chr_accept_input(s->chr);
}
}
}
s->ucr2 = value & 0xffff;
break;
case 0x25: /* USR1 */
value &= USR1_AWAKE | USR1_AIRINT | USR1_DTRD | USR1_AGTIM |
USR1_FRAMERR | USR1_ESCF | USR1_RTSD | USR1_PARTYER;
s->usr1 &= ~value;
break;
case 0x26: /* USR2 */
/*
* Writing 1 to some bits clears them; all other
* values are ignored
*/
value &= USR2_ADET | USR2_DTRF | USR2_IDLE | USR2_ACST |
USR2_RIDELT | USR2_IRINT | USR2_WAKE |
USR2_DCDDELT | USR2_RTSF | USR2_BRCD | USR2_ORE;
s->usr2 &= ~value;
break;
/*
* Linux expects to see what it writes to these registers
* We don't currently alter the baud rate
*/
case 0x29: /* UBIR */
s->ubrc = value & 0xffff;
break;
case 0x2a: /* UBMR */
s->ubmr = value & 0xffff;
break;
case 0x2c: /* One ms reg */
s->onems = value & 0xffff;
break;
case 0x24: /* FIFO control register */
s->ufcr = value & 0xffff;
break;
case 0x22: /* UCR3 */
s->ucr3 = value & 0xffff;
break;
case 0x2d: /* UTS1 */
case 0x23: /* UCR4 */
qemu_log_mask(LOG_UNIMP, "[%s]%s: Unimplemented reg 0x%"
HWADDR_PRIx "\n", TYPE_IMX_SERIAL, __func__, offset);
/* TODO */
break;
default:
qemu_log_mask(LOG_GUEST_ERROR, "[%s]%s: Bad register at offset 0x%"
HWADDR_PRIx "\n", TYPE_IMX_SERIAL, __func__, offset);
}
}
| 20,837 |
qemu | 5f1399651eaab1b04e49107250d182968a227aa6 | 1 | static void numa_add(const char *optarg)
{
char option[128];
char *endptr;
unsigned long long value, endvalue;
unsigned long long nodenr;
value = endvalue = 0ULL;
optarg = get_opt_name(option, 128, optarg, ',');
if (*optarg == ',') {
optarg++;
}
if (!strcmp(option, "node")) {
if (nb_numa_nodes >= MAX_NODES) {
fprintf(stderr, "qemu: too many NUMA nodes\n");
exit(1);
}
if (get_param_value(option, 128, "nodeid", optarg) == 0) {
nodenr = nb_numa_nodes;
} else {
nodenr = strtoull(option, NULL, 10);
}
if (nodenr >= MAX_NODES) {
fprintf(stderr, "qemu: invalid NUMA nodeid: %llu\n", nodenr);
exit(1);
}
if (get_param_value(option, 128, "mem", optarg) == 0) {
node_mem[nodenr] = 0;
} else {
int64_t sval;
sval = strtosz(option, &endptr);
if (sval < 0 || *endptr) {
fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
exit(1);
}
node_mem[nodenr] = sval;
}
if (get_param_value(option, 128, "cpus", optarg) != 0) {
value = strtoull(option, &endptr, 10);
if (*endptr == '-') {
endvalue = strtoull(endptr+1, &endptr, 10);
} else {
endvalue = value;
}
if (!(endvalue < MAX_CPUMASK_BITS)) {
endvalue = MAX_CPUMASK_BITS - 1;
fprintf(stderr,
"A max of %d CPUs are supported in a guest\n",
MAX_CPUMASK_BITS);
}
bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
}
nb_numa_nodes++;
} else {
fprintf(stderr, "Invalid -numa option: %s\n", option);
exit(1);
}
}
| 20,838 |
FFmpeg | 4641ae352ec587355764ffd5c43dd0d0ebd47654 | 1 | static int sap_read_header(AVFormatContext *s)
{
struct SAPState *sap = s->priv_data;
char host[1024], path[1024], url[1024];
uint8_t recvbuf[RTP_MAX_PACKET_LENGTH];
int port;
int ret, i;
AVInputFormat* infmt;
if (!ff_network_init())
return AVERROR(EIO);
av_url_split(NULL, 0, NULL, 0, host, sizeof(host), &port,
path, sizeof(path), s->filename);
if (port < 0)
port = 9875;
if (!host[0]) {
/* Listen for announcements on sap.mcast.net if no host was specified */
av_strlcpy(host, "224.2.127.254", sizeof(host));
}
ff_url_join(url, sizeof(url), "udp", NULL, host, port, "?localport=%d",
port);
ret = ffurl_open(&sap->ann_fd, url, AVIO_FLAG_READ,
&s->interrupt_callback, NULL);
if (ret)
goto fail;
while (1) {
int addr_type, auth_len;
int pos;
ret = ffurl_read(sap->ann_fd, recvbuf, sizeof(recvbuf) - 1);
if (ret == AVERROR(EAGAIN))
continue;
if (ret < 0)
goto fail;
recvbuf[ret] = '\0'; /* Null terminate for easier parsing */
if (ret < 8) {
av_log(s, AV_LOG_WARNING, "Received too short packet\n");
continue;
}
if ((recvbuf[0] & 0xe0) != 0x20) {
av_log(s, AV_LOG_WARNING, "Unsupported SAP version packet "
"received\n");
continue;
}
if (recvbuf[0] & 0x04) {
av_log(s, AV_LOG_WARNING, "Received stream deletion "
"announcement\n");
continue;
}
addr_type = recvbuf[0] & 0x10;
auth_len = recvbuf[1];
sap->hash = AV_RB16(&recvbuf[2]);
pos = 4;
if (addr_type)
pos += 16; /* IPv6 */
else
pos += 4; /* IPv4 */
pos += auth_len * 4;
if (pos + 4 >= ret) {
av_log(s, AV_LOG_WARNING, "Received too short packet\n");
continue;
}
#define MIME "application/sdp"
if (strcmp(&recvbuf[pos], MIME) == 0) {
pos += strlen(MIME) + 1;
} else if (strncmp(&recvbuf[pos], "v=0\r\n", 5) == 0) {
// Direct SDP without a mime type
} else {
av_log(s, AV_LOG_WARNING, "Unsupported mime type %s\n",
&recvbuf[pos]);
continue;
}
sap->sdp = av_strdup(&recvbuf[pos]);
break;
}
av_log(s, AV_LOG_VERBOSE, "SDP:\n%s\n", sap->sdp);
ffio_init_context(&sap->sdp_pb, sap->sdp, strlen(sap->sdp), 0, NULL, NULL,
NULL, NULL);
infmt = av_find_input_format("sdp");
if (!infmt)
goto fail;
sap->sdp_ctx = avformat_alloc_context();
if (!sap->sdp_ctx) {
ret = AVERROR(ENOMEM);
goto fail;
}
sap->sdp_ctx->max_delay = s->max_delay;
sap->sdp_ctx->pb = &sap->sdp_pb;
sap->sdp_ctx->interrupt_callback = s->interrupt_callback;
av_assert0(!sap->sdp_ctx->codec_whitelist && !sap->sdp_ctx->format_whitelist);
sap->sdp_ctx-> codec_whitelist = av_strdup(s->codec_whitelist);
sap->sdp_ctx->format_whitelist = av_strdup(s->format_whitelist);
ret = avformat_open_input(&sap->sdp_ctx, "temp.sdp", infmt, NULL);
if (ret < 0)
goto fail;
if (sap->sdp_ctx->ctx_flags & AVFMTCTX_NOHEADER)
s->ctx_flags |= AVFMTCTX_NOHEADER;
for (i = 0; i < sap->sdp_ctx->nb_streams; i++) {
AVStream *st = avformat_new_stream(s, NULL);
if (!st) {
ret = AVERROR(ENOMEM);
goto fail;
}
st->id = i;
avcodec_copy_context(st->codec, sap->sdp_ctx->streams[i]->codec);
st->time_base = sap->sdp_ctx->streams[i]->time_base;
}
return 0;
fail:
sap_read_close(s);
return ret;
}
| 20,839 |
qemu | 53111180946a56d314a9c1d07d09b9ef91e847b9 | 1 | static void arm_gic_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
SysBusDeviceClass *sbc = SYS_BUS_DEVICE_CLASS(klass);
ARMGICClass *agc = ARM_GIC_CLASS(klass);
agc->parent_init = sbc->init;
sbc->init = arm_gic_init;
dc->no_user = 1;
}
| 20,841 |
FFmpeg | 8155233413540c63e53a620ff5734fb4b0635611 | 1 | static inline int l2_unscale_group(int steps, int mant, int scale_factor)
{
int shift, mod, val;
shift = scale_factor_modshift[scale_factor];
mod = shift & 3;
shift >>= 2;
/* XXX: store the result directly */
val = (2 * (mant - (steps >> 1))) * scale_factor_mult2[steps >> 2][mod];
return (val + (1 << (shift - 1))) >> shift;
}
| 20,842 |
qemu | faadf50e2962dd54175647a80bd6fc4319c91973 | 1 | static void init_proc_970 (CPUPPCState *env)
{
gen_spr_ne_601(env);
gen_spr_7xx(env);
/* Time base */
gen_tbl(env);
/* Hardware implementation registers */
/* XXX : not implemented */
spr_register(env, SPR_HID0, "HID0",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_clear,
0x60000000);
/* 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_750_HID2, "HID2",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
/* XXX : not implemented */
spr_register(env, SPR_970_HID5, "HID5",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
POWERPC970_HID5_INIT);
/* Memory management */
/* XXX: not correct */
gen_low_BATs(env);
/* XXX : not implemented */
spr_register(env, SPR_MMUCFG, "MMUCFG",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, SPR_NOACCESS,
0x00000000); /* TOFIX */
/* XXX : not implemented */
spr_register(env, SPR_MMUCSR0, "MMUCSR0",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000); /* TOFIX */
spr_register(env, SPR_HIOR, "SPR_HIOR",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0xFFF00000); /* XXX: This is a hack */
#if !defined(CONFIG_USER_ONLY)
env->excp_prefix = 0xFFF00000;
#endif
#if !defined(CONFIG_USER_ONLY)
env->slb_nr = 32;
#endif
init_excp_970(env);
env->dcache_line_size = 128;
env->icache_line_size = 128;
/* Allocate hardware IRQ controller */
ppc970_irq_init(env);
}
| 20,843 |
FFmpeg | a9553bbb336a7186c62b3b14a0499c1b6ba61ebd | 1 | static int mov_write_header(AVFormatContext *s)
{
AVIOContext *pb = s->pb;
MOVMuxContext *mov = s->priv_data;
AVDictionaryEntry *t;
int i, hint_track = 0;
/* Default mode == MP4 */
mov->mode = MODE_MP4;
if (s->oformat != NULL) {
if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
}
/* Set the FRAGMENT flag if any of the fragmentation methods are
* enabled. */
if (mov->max_fragment_duration || mov->max_fragment_size ||
mov->mode == MODE_ISM ||
mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
FF_MOV_FLAG_FRAG_KEYFRAME |
FF_MOV_FLAG_FRAG_CUSTOM))
mov->flags |= FF_MOV_FLAG_FRAGMENT;
/* faststart: moov at the beginning of the file, if supported */
if (mov->flags & FF_MOV_FLAG_FASTSTART) {
if ((mov->flags & FF_MOV_FLAG_FRAGMENT) ||
(s->flags & AVFMT_FLAG_CUSTOM_IO)) {
av_log(s, AV_LOG_WARNING, "The faststart flag is incompatible "
"with fragmentation and custom IO, disabling faststart\n");
mov->flags &= ~FF_MOV_FLAG_FASTSTART;
}
}
/* Non-seekable output is ok if using fragmentation. If ism_lookahead
* is enabled, we don't support non-seekable output at all. */
if (!s->pb->seekable &&
(!(mov->flags & FF_MOV_FLAG_FRAGMENT) || mov->ism_lookahead)) {
av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
return -1;
}
mov_write_ftyp_tag(pb,s);
if (mov->mode == MODE_PSP) {
if (s->nb_streams != 2) {
av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
return -1;
}
mov_write_uuidprof_tag(pb, s);
}
mov->nb_streams = s->nb_streams;
if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
mov->chapter_track = mov->nb_streams++;
if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
/* Add hint tracks for each audio and video stream */
hint_track = mov->nb_streams;
for (i = 0; i < s->nb_streams; i++) {
AVStream *st = s->streams[i];
if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
mov->nb_streams++;
}
}
}
// Reserve an extra stream for chapters for the case where chapters
// are written in the trailer
mov->tracks = av_mallocz((mov->nb_streams + 1) * sizeof(*mov->tracks));
if (!mov->tracks)
return AVERROR(ENOMEM);
for (i = 0; i < s->nb_streams; i++) {
AVStream *st= s->streams[i];
MOVTrack *track= &mov->tracks[i];
AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
track->enc = st->codec;
track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
if (track->language < 0)
track->language = 0;
track->mode = mov->mode;
track->tag = mov_find_codec_tag(s, track);
if (!track->tag) {
av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
"codec not currently supported in container\n", i);
goto error;
}
/* If hinting of this track is enabled by a later hint track,
* this is updated. */
track->hint_track = -1;
track->start_dts = AV_NOPTS_VALUE;
if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
goto error;
}
track->height = track->tag >> 24 == 'n' ? 486 : 576;
}
track->timescale = st->codec->time_base.den;
if (track->mode == MODE_MOV && track->timescale > 100000)
av_log(s, AV_LOG_WARNING,
"WARNING codec timebase is very high. If duration is too long,\n"
"file may not be playable by quicktime. Specify a shorter timebase\n"
"or choose different container.\n");
} else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
track->timescale = st->codec->sample_rate;
/* set sample_size for PCM and ADPCM */
if (av_get_bits_per_sample(st->codec->codec_id) ||
st->codec->codec_id == AV_CODEC_ID_ILBC) {
if (!st->codec->block_align) {
av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set\n", i);
goto error;
}
track->sample_size = st->codec->block_align;
}
/* set audio_vbr for compressed audio */
if (av_get_bits_per_sample(st->codec->codec_id) < 8) {
track->audio_vbr = 1;
}
if (track->mode != MODE_MOV &&
track->enc->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
i, track->enc->sample_rate);
goto error;
}
} else if (st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
track->timescale = st->codec->time_base.den;
} else if (st->codec->codec_type == AVMEDIA_TYPE_DATA) {
track->timescale = st->codec->time_base.den;
}
if (!track->height)
track->height = st->codec->height;
/* The ism specific timescale isn't mandatory, but is assumed by
* some tools, such as mp4split. */
if (mov->mode == MODE_ISM)
track->timescale = 10000000;
avpriv_set_pts_info(st, 64, 1, track->timescale);
/* copy extradata if it exists */
if (st->codec->extradata_size) {
track->vos_len = st->codec->extradata_size;
track->vos_data = av_malloc(track->vos_len);
memcpy(track->vos_data, st->codec->extradata, track->vos_len);
}
}
enable_tracks(s);
if (mov->mode == MODE_ISM) {
/* If no fragmentation options have been set, set a default. */
if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
FF_MOV_FLAG_FRAG_CUSTOM)) &&
!mov->max_fragment_duration && !mov->max_fragment_size)
mov->max_fragment_duration = 5000000;
mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF;
}
if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
if (mov->flags & FF_MOV_FLAG_FASTSTART)
mov->reserved_moov_pos = avio_tell(pb);
mov_write_mdat_tag(pb, mov);
}
if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
mov->time = ff_iso8601_to_unix_time(t->value);
if (mov->time)
mov->time += 0x7C25B080; // 1970 based -> 1904 based
if (mov->chapter_track)
if (mov_create_chapter_track(s, mov->chapter_track) < 0)
goto error;
if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
/* Initialize the hint tracks for each audio and video stream */
for (i = 0; i < s->nb_streams; i++) {
AVStream *st = s->streams[i];
if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
ff_mov_init_hinting(s, hint_track, i);
hint_track++;
}
}
}
avio_flush(pb);
if (mov->flags & FF_MOV_FLAG_ISML)
mov_write_isml_manifest(pb, mov);
if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
mov_write_moov_tag(pb, mov, s);
mov->fragments++;
}
return 0;
error:
mov_free(s);
return -1;
}
| 20,844 |
FFmpeg | ce81e47c911fcff4f006b3b14b40a396eaa77696 | 1 | static void arith2_normalise(ArithCoder *c)
{
while ((c->high >> 15) - (c->low >> 15) < 2) {
if ((c->low ^ c->high) & 0x10000) {
c->high ^= 0x8000;
c->value ^= 0x8000;
c->low ^= 0x8000;
}
c->high = c->high << 8 & 0xFFFFFF | 0xFF;
c->value = c->value << 8 & 0xFFFFFF | bytestream2_get_byte(c->gbc.gB);
c->low = c->low << 8 & 0xFFFFFF;
}
}
| 20,845 |
qemu | db3a5ed7e4422491dac1f83264ebb01f6667ffc8 | 1 | static int usb_qdev_init(DeviceState *qdev, DeviceInfo *base)
{
USBDevice *dev = DO_UPCAST(USBDevice, qdev, qdev);
USBDeviceInfo *info = DO_UPCAST(USBDeviceInfo, qdev, base);
int rc;
pstrcpy(dev->product_desc, sizeof(dev->product_desc), info->product_desc);
dev->info = info;
dev->auto_attach = 1;
QLIST_INIT(&dev->strings);
rc = usb_claim_port(dev);
if (rc != 0) {
goto err;
}
rc = dev->info->init(dev);
if (rc != 0) {
goto err;
}
if (dev->auto_attach) {
rc = usb_device_attach(dev);
if (rc != 0) {
goto err;
}
}
return 0;
err:
usb_qdev_exit(qdev);
return rc;
}
| 20,846 |
FFmpeg | 71da0a5c9750e9fd0c9609470f610d32952923eb | 1 | void ff_eval_coefs(int *coefs, const int *refl)
{
int buffer[LPC_ORDER];
int *b1 = buffer;
int *b2 = coefs;
int i, j;
for (i=0; i < LPC_ORDER; i++) {
b1[i] = refl[i] * 16;
for (j=0; j < i; j++)
b1[j] = ((refl[i] * b2[i-j-1]) >> 12) + b2[j];
FFSWAP(int *, b1, b2);
}
for (i=0; i < LPC_ORDER; i++)
coefs[i] >>= 4;
}
| 20,847 |
FFmpeg | b946bd8ef2c7aeee09469a4901182a44f9b67189 | 1 | static int decode_hq_slice(DiracContext *s, DiracSlice *slice, uint8_t *tmp_buf)
{
int i, level, orientation, quant_idx;
int qfactor[MAX_DWT_LEVELS][4], qoffset[MAX_DWT_LEVELS][4];
GetBitContext *gb = &slice->gb;
SliceCoeffs coeffs_num[MAX_DWT_LEVELS];
skip_bits_long(gb, 8*s->highquality.prefix_bytes);
quant_idx = get_bits(gb, 8);
if (quant_idx > DIRAC_MAX_QUANT_INDEX) {
av_log(s->avctx, AV_LOG_ERROR, "Invalid quantization index - %i\n", quant_idx);
return AVERROR_INVALIDDATA;
}
/* Slice quantization (slice_quantizers() in the specs) */
for (level = 0; level < s->wavelet_depth; level++) {
for (orientation = !!level; orientation < 4; orientation++) {
const int quant = FFMAX(quant_idx - s->lowdelay.quant[level][orientation], 0);
qfactor[level][orientation] = ff_dirac_qscale_tab[quant];
qoffset[level][orientation] = ff_dirac_qoffset_intra_tab[quant] + 2;
}
}
/* Luma + 2 Chroma planes */
for (i = 0; i < 3; i++) {
int coef_num, coef_par, off = 0;
int64_t length = s->highquality.size_scaler*get_bits(gb, 8);
int64_t bits_end = get_bits_count(gb) + 8*length;
const uint8_t *addr = align_get_bits(gb);
if (length*8 > get_bits_left(gb)) {
av_log(s->avctx, AV_LOG_ERROR, "end too far away\n");
return AVERROR_INVALIDDATA;
}
coef_num = subband_coeffs(s, slice->slice_x, slice->slice_y, i, coeffs_num);
if (s->pshift)
coef_par = ff_dirac_golomb_read_32bit(s->reader_ctx, addr,
length, tmp_buf, coef_num);
else
coef_par = ff_dirac_golomb_read_16bit(s->reader_ctx, addr,
length, tmp_buf, coef_num);
if (coef_num > coef_par) {
const int start_b = coef_par * (1 << (s->pshift + 1));
const int end_b = coef_num * (1 << (s->pshift + 1));
memset(&tmp_buf[start_b], 0, end_b - start_b);
}
for (level = 0; level < s->wavelet_depth; level++) {
const SliceCoeffs *c = &coeffs_num[level];
for (orientation = !!level; orientation < 4; orientation++) {
const SubBand *b1 = &s->plane[i].band[level][orientation];
uint8_t *buf = b1->ibuf + c->top * b1->stride + (c->left << (s->pshift + 1));
/* Change to c->tot_h <= 4 for AVX2 dequantization */
const int qfunc = s->pshift + 2*(c->tot_h <= 2);
s->diracdsp.dequant_subband[qfunc](&tmp_buf[off], buf, b1->stride,
qfactor[level][orientation],
qoffset[level][orientation],
c->tot_v, c->tot_h);
off += c->tot << (s->pshift + 1);
}
}
skip_bits_long(gb, bits_end - get_bits_count(gb));
}
return 0;
}
| 20,848 |
FFmpeg | 49e5dcbce5f9e08ec375fd54c413148beb81f1d7 | 1 | static int ff_h261_resync(H261Context *h){
MpegEncContext * const s = &h->s;
int left, ret;
if(show_bits(&s->gb, 15)==0){
ret= h261_decode_gob_header(h);
if(ret>=0)
return 0;
}
//ok, its not where its supposed to be ...
s->gb= s->last_resync_gb;
align_get_bits(&s->gb);
left= s->gb.size_in_bits - get_bits_count(&s->gb);
for(;left>15+1+4+5; left-=8){
if(show_bits(&s->gb, 15)==0){
GetBitContext bak= s->gb;
ret= h261_decode_gob_header(h);
if(ret>=0)
return 0;
s->gb= bak;
}
skip_bits(&s->gb, 8);
}
return -1;
}
| 20,849 |
FFmpeg | 030c7f0309ec0e3cadb990408b4bb9b7fd739425 | 1 | static int epic_decode_tile(ePICContext *dc, uint8_t *out, int tile_height,
int tile_width, int stride)
{
int x, y;
uint32_t pix;
uint32_t *curr_row = NULL, *above_row = NULL, *above2_row;
for (y = 0; y < tile_height; y++, out += stride) {
above2_row = above_row;
above_row = curr_row;
curr_row = (uint32_t *) out;
for (x = 0, dc->next_run_pos = 0; x < tile_width;) {
if (dc->els_ctx.err)
return AVERROR_INVALIDDATA; // bail out in the case of ELS overflow
pix = curr_row[x - 1]; // get W pixel
if (y >= 1 && x >= 2 &&
pix != curr_row[x - 2] && pix != above_row[x - 1] &&
pix != above_row[x - 2] && pix != above_row[x] &&
!epic_cache_entries_for_pixel(&dc->hash, pix)) {
curr_row[x] = epic_decode_pixel_pred(dc, x, y, curr_row, above_row);
x++;
} else {
int got_pixel, run;
dc->stack_pos = 0; // empty stack
if (y < 2 || x < 2 || x == tile_width - 1) {
run = 1;
got_pixel = epic_handle_edges(dc, x, y, curr_row, above_row, &pix);
} else
got_pixel = epic_decode_run_length(dc, x, y, tile_width,
curr_row, above_row,
above2_row, &pix, &run);
if (!got_pixel && !epic_predict_from_NW_NE(dc, x, y, run,
tile_width, curr_row,
above_row, &pix)) {
uint32_t ref_pix = curr_row[x - 1];
if (!x || !epic_decode_from_cache(dc, ref_pix, &pix)) {
pix = epic_decode_pixel_pred(dc, x, y, curr_row, above_row);
if (x) {
int ret = epic_add_pixel_to_cache(&dc->hash,
ref_pix,
pix);
if (ret)
return ret;
}
}
}
for (; run > 0; x++, run--)
curr_row[x] = pix;
}
}
}
return 0;
}
| 20,850 |
FFmpeg | cf1e0786ed64e69614760bfb4ecd7adbde8e6094 | 0 | int ff_h264_context_init(H264Context *h)
{
ERContext *er = &h->er;
int mb_array_size = h->mb_height * h->mb_stride;
int y_size = (2 * h->mb_width + 1) * (2 * h->mb_height + 1);
int c_size = h->mb_stride * (h->mb_height + 1);
int yc_size = y_size + 2 * c_size;
int x, y, i;
FF_ALLOCZ_OR_GOTO(h->avctx, h->top_borders[0],
h->mb_width * 16 * 3 * sizeof(uint8_t) * 2, fail)
FF_ALLOCZ_OR_GOTO(h->avctx, h->top_borders[1],
h->mb_width * 16 * 3 * sizeof(uint8_t) * 2, fail)
h->ref_cache[0][scan8[5] + 1] =
h->ref_cache[0][scan8[7] + 1] =
h->ref_cache[0][scan8[13] + 1] =
h->ref_cache[1][scan8[5] + 1] =
h->ref_cache[1][scan8[7] + 1] =
h->ref_cache[1][scan8[13] + 1] = PART_NOT_AVAILABLE;
if (CONFIG_ERROR_RESILIENCE) {
/* init ER */
er->avctx = h->avctx;
er->mecc = &h->mecc;
er->decode_mb = h264_er_decode_mb;
er->opaque = h;
er->quarter_sample = 1;
er->mb_num = h->mb_num;
er->mb_width = h->mb_width;
er->mb_height = h->mb_height;
er->mb_stride = h->mb_stride;
er->b8_stride = h->mb_width * 2 + 1;
// error resilience code looks cleaner with this
FF_ALLOCZ_OR_GOTO(h->avctx, er->mb_index2xy,
(h->mb_num + 1) * sizeof(int), fail);
for (y = 0; y < h->mb_height; y++)
for (x = 0; x < h->mb_width; x++)
er->mb_index2xy[x + y * h->mb_width] = x + y * h->mb_stride;
er->mb_index2xy[h->mb_height * h->mb_width] = (h->mb_height - 1) *
h->mb_stride + h->mb_width;
FF_ALLOCZ_OR_GOTO(h->avctx, er->error_status_table,
mb_array_size * sizeof(uint8_t), fail);
FF_ALLOC_OR_GOTO(h->avctx, er->mbintra_table, mb_array_size, fail);
memset(er->mbintra_table, 1, mb_array_size);
FF_ALLOCZ_OR_GOTO(h->avctx, er->mbskip_table, mb_array_size + 2, fail);
FF_ALLOC_OR_GOTO(h->avctx, er->er_temp_buffer,
h->mb_height * h->mb_stride, fail);
FF_ALLOCZ_OR_GOTO(h->avctx, h->dc_val_base,
yc_size * sizeof(int16_t), fail);
er->dc_val[0] = h->dc_val_base + h->mb_width * 2 + 2;
er->dc_val[1] = h->dc_val_base + y_size + h->mb_stride + 1;
er->dc_val[2] = er->dc_val[1] + c_size;
for (i = 0; i < yc_size; i++)
h->dc_val_base[i] = 1024;
}
return 0;
fail:
return AVERROR(ENOMEM); // ff_h264_free_tables will clean up for us
}
| 20,851 |
FFmpeg | 6c4b87d3d6ae08a6da16b4616626b4d2a726afbf | 0 | static int thp_read_packet(AVFormatContext *s,
AVPacket *pkt)
{
ThpDemuxContext *thp = s->priv_data;
AVIOContext *pb = s->pb;
unsigned int size;
int ret;
if (thp->audiosize == 0) {
/* Terminate when last frame is reached. */
if (thp->frame >= thp->framecnt)
return AVERROR_EOF;
avio_seek(pb, thp->next_frame, SEEK_SET);
/* Locate the next frame and read out its size. */
thp->next_frame += thp->next_framesz;
thp->next_framesz = avio_rb32(pb);
avio_rb32(pb); /* Previous total size. */
size = avio_rb32(pb); /* Total size of this frame. */
/* Store the audiosize so the next time this function is called,
the audio can be read. */
if (thp->has_audio)
thp->audiosize = avio_rb32(pb); /* Audio size. */
else
thp->frame++;
ret = av_get_packet(pb, pkt, size);
if (ret != size) {
av_free_packet(pkt);
return AVERROR(EIO);
}
pkt->stream_index = thp->video_stream_index;
} else {
ret = av_get_packet(pb, pkt, thp->audiosize);
if (ret != thp->audiosize) {
av_free_packet(pkt);
return AVERROR(EIO);
}
pkt->stream_index = thp->audio_stream_index;
if (thp->audiosize >= 8)
pkt->duration = AV_RB32(&pkt->data[4]);
thp->audiosize = 0;
thp->frame++;
}
return 0;
}
| 20,852 |
FFmpeg | 0ea55365b91c250012ac8a80be5f0ebacd4fd55d | 0 | static int execute_code(AVCodecContext * avctx, int c)
{
AnsiContext *s = avctx->priv_data;
int ret, i, width, height;
switch(c) {
case 'A': //Cursor Up
s->y = FFMAX(s->y - (s->nb_args > 0 ? s->args[0]*s->font_height : s->font_height), 0);
break;
case 'B': //Cursor Down
s->y = FFMIN(s->y + (s->nb_args > 0 ? s->args[0]*s->font_height : s->font_height), avctx->height - s->font_height);
break;
case 'C': //Cursor Right
s->x = FFMIN(s->x + (s->nb_args > 0 ? s->args[0]*FONT_WIDTH : FONT_WIDTH), avctx->width - FONT_WIDTH);
break;
case 'D': //Cursor Left
s->x = FFMAX(s->x - (s->nb_args > 0 ? s->args[0]*FONT_WIDTH : FONT_WIDTH), 0);
break;
case 'H': //Cursor Position
case 'f': //Horizontal and Vertical Position
s->y = s->nb_args > 0 ? av_clip((s->args[0] - 1)*s->font_height, 0, avctx->height - s->font_height) : 0;
s->x = s->nb_args > 1 ? av_clip((s->args[1] - 1)*FONT_WIDTH, 0, avctx->width - FONT_WIDTH) : 0;
break;
case 'h': //set creen mode
case 'l': //reset screen mode
if (s->nb_args < 2)
s->args[0] = DEFAULT_SCREEN_MODE;
width = avctx->width;
height = avctx->height;
switch(s->args[0]) {
case 0: case 1: case 4: case 5: case 13: case 19: //320x200 (25 rows)
s->font = avpriv_cga_font;
s->font_height = 8;
width = 40<<3;
height = 25<<3;
break;
case 2: case 3: //640x400 (25 rows)
s->font = avpriv_vga16_font;
s->font_height = 16;
width = 80<<3;
height = 25<<4;
break;
case 6: case 14: //640x200 (25 rows)
s->font = avpriv_cga_font;
s->font_height = 8;
width = 80<<3;
height = 25<<3;
break;
case 7: //set line wrapping
break;
case 15: case 16: //640x350 (43 rows)
s->font = avpriv_cga_font;
s->font_height = 8;
width = 80<<3;
height = 43<<3;
break;
case 17: case 18: //640x480 (60 rows)
s->font = avpriv_cga_font;
s->font_height = 8;
width = 80<<3;
height = 60<<4;
break;
default:
av_log_ask_for_sample(avctx, "unsupported screen mode\n");
}
if (width != avctx->width || height != avctx->height) {
if (s->frame.data[0])
avctx->release_buffer(avctx, &s->frame);
avcodec_set_dimensions(avctx, width, height);
ret = avctx->get_buffer(avctx, &s->frame);
if (ret < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return ret;
}
s->frame.pict_type = AV_PICTURE_TYPE_I;
s->frame.palette_has_changed = 1;
set_palette((uint32_t *)s->frame.data[1]);
erase_screen(avctx);
} else if (c == 'l') {
erase_screen(avctx);
}
break;
case 'J': //Erase in Page
switch (s->args[0]) {
case 0:
erase_line(avctx, s->x, avctx->width - s->x);
if (s->y < avctx->height - s->font_height)
memset(s->frame.data[0] + (s->y + s->font_height)*s->frame.linesize[0],
DEFAULT_BG_COLOR, (avctx->height - s->y - s->font_height)*s->frame.linesize[0]);
break;
case 1:
erase_line(avctx, 0, s->x);
if (s->y > 0)
memset(s->frame.data[0], DEFAULT_BG_COLOR, s->y * s->frame.linesize[0]);
break;
case 2:
erase_screen(avctx);
}
break;
case 'K': //Erase in Line
switch(s->args[0]) {
case 0:
erase_line(avctx, s->x, avctx->width - s->x);
break;
case 1:
erase_line(avctx, 0, s->x);
break;
case 2:
erase_line(avctx, 0, avctx->width);
}
break;
case 'm': //Select Graphics Rendition
if (s->nb_args == 0) {
s->nb_args = 1;
s->args[0] = 0;
}
for (i = 0; i < FFMIN(s->nb_args, MAX_NB_ARGS); i++) {
int m = s->args[i];
if (m == 0) {
s->attributes = 0;
s->fg = DEFAULT_FG_COLOR;
s->bg = DEFAULT_BG_COLOR;
} else if (m == 1 || m == 2 || m == 4 || m == 5 || m == 7 || m == 8) {
s->attributes |= 1 << (m - 1);
} else if (m >= 30 && m <= 37) {
s->fg = ansi_to_cga[m - 30];
} else if (m == 38 && i + 2 < s->nb_args && s->args[i + 1] == 5 && s->args[i + 2] < 256) {
int index = s->args[i + 2];
s->fg = index < 16 ? ansi_to_cga[index] : index;
i += 2;
} else if (m == 39) {
s->fg = ansi_to_cga[DEFAULT_FG_COLOR];
} else if (m >= 40 && m <= 47) {
s->bg = ansi_to_cga[m - 40];
} else if (m == 48 && i + 2 < s->nb_args && s->args[i + 1] == 5 && s->args[i + 2] < 256) {
int index = s->args[i + 2];
s->bg = index < 16 ? ansi_to_cga[index] : index;
i += 2;
} else if (m == 49) {
s->fg = ansi_to_cga[DEFAULT_BG_COLOR];
} else {
av_log_ask_for_sample(avctx, "unsupported rendition parameter\n");
}
}
break;
case 'n': //Device Status Report
case 'R': //report current line and column
/* ignore */
break;
case 's': //Save Cursor Position
s->sx = s->x;
s->sy = s->y;
break;
case 'u': //Restore Cursor Position
s->x = av_clip(s->sx, 0, avctx->width - FONT_WIDTH);
s->y = av_clip(s->sy, 0, avctx->height - s->font_height);
break;
default:
av_log_ask_for_sample(avctx, "unsupported escape code\n");
break;
}
return 0;
}
| 20,853 |
FFmpeg | e6c90ce94f1b07f50cea2babf7471af455cca0ff | 0 | void ff_h264_filter_mb(H264Context *h, H264SliceContext *sl,
int mb_x, int mb_y,
uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr,
unsigned int linesize, unsigned int uvlinesize)
{
const int mb_xy= mb_x + mb_y*h->mb_stride;
const int mb_type = h->cur_pic.mb_type[mb_xy];
const int mvy_limit = IS_INTERLACED(mb_type) ? 2 : 4;
int first_vertical_edge_done = 0;
int chroma = !(CONFIG_GRAY && (h->flags&CODEC_FLAG_GRAY));
int qp_bd_offset = 6 * (h->sps.bit_depth_luma - 8);
int a = 52 + h->slice_alpha_c0_offset - qp_bd_offset;
int b = 52 + h->slice_beta_offset - qp_bd_offset;
if (FRAME_MBAFF(h)
// and current and left pair do not have the same interlaced type
&& IS_INTERLACED(mb_type ^ sl->left_type[LTOP])
// and left mb is in available to us
&& sl->left_type[LTOP]) {
/* First vertical edge is different in MBAFF frames
* There are 8 different bS to compute and 2 different Qp
*/
DECLARE_ALIGNED(8, int16_t, bS)[8];
int qp[2];
int bqp[2];
int rqp[2];
int mb_qp, mbn0_qp, mbn1_qp;
int i;
first_vertical_edge_done = 1;
if( IS_INTRA(mb_type) ) {
AV_WN64A(&bS[0], 0x0004000400040004ULL);
AV_WN64A(&bS[4], 0x0004000400040004ULL);
} else {
static const uint8_t offset[2][2][8]={
{
{3+4*0, 3+4*0, 3+4*0, 3+4*0, 3+4*1, 3+4*1, 3+4*1, 3+4*1},
{3+4*2, 3+4*2, 3+4*2, 3+4*2, 3+4*3, 3+4*3, 3+4*3, 3+4*3},
},{
{3+4*0, 3+4*1, 3+4*2, 3+4*3, 3+4*0, 3+4*1, 3+4*2, 3+4*3},
{3+4*0, 3+4*1, 3+4*2, 3+4*3, 3+4*0, 3+4*1, 3+4*2, 3+4*3},
}
};
const uint8_t *off= offset[MB_FIELD(h)][mb_y&1];
for( i = 0; i < 8; i++ ) {
int j= MB_FIELD(h) ? i>>2 : i&1;
int mbn_xy = sl->left_mb_xy[LEFT(j)];
int mbn_type = sl->left_type[LEFT(j)];
if( IS_INTRA( mbn_type ) )
bS[i] = 4;
else{
bS[i] = 1 + !!(sl->non_zero_count_cache[12+8*(i>>1)] |
((!h->pps.cabac && IS_8x8DCT(mbn_type)) ?
(h->cbp_table[mbn_xy] & (((MB_FIELD(h) ? (i&2) : (mb_y&1)) ? 8 : 2) << 12))
:
h->non_zero_count[mbn_xy][ off[i] ]));
}
}
}
mb_qp = h->cur_pic.qscale_table[mb_xy];
mbn0_qp = h->cur_pic.qscale_table[sl->left_mb_xy[0]];
mbn1_qp = h->cur_pic.qscale_table[sl->left_mb_xy[1]];
qp[0] = ( mb_qp + mbn0_qp + 1 ) >> 1;
bqp[0] = ( get_chroma_qp( h, 0, mb_qp ) +
get_chroma_qp( h, 0, mbn0_qp ) + 1 ) >> 1;
rqp[0] = ( get_chroma_qp( h, 1, mb_qp ) +
get_chroma_qp( h, 1, mbn0_qp ) + 1 ) >> 1;
qp[1] = ( mb_qp + mbn1_qp + 1 ) >> 1;
bqp[1] = ( get_chroma_qp( h, 0, mb_qp ) +
get_chroma_qp( h, 0, mbn1_qp ) + 1 ) >> 1;
rqp[1] = ( get_chroma_qp( h, 1, mb_qp ) +
get_chroma_qp( h, 1, mbn1_qp ) + 1 ) >> 1;
/* Filter edge */
tprintf(h->avctx, "filter mb:%d/%d MBAFF, QPy:%d/%d, QPb:%d/%d QPr:%d/%d ls:%d uvls:%d", mb_x, mb_y, qp[0], qp[1], bqp[0], bqp[1], rqp[0], rqp[1], linesize, uvlinesize);
{ int i; for (i = 0; i < 8; i++) tprintf(h->avctx, " bS[%d]:%d", i, bS[i]); tprintf(h->avctx, "\n"); }
if (MB_FIELD(h)) {
filter_mb_mbaff_edgev ( h, img_y , linesize, bS , 1, qp [0], a, b, 1 );
filter_mb_mbaff_edgev ( h, img_y + 8* linesize, linesize, bS+4, 1, qp [1], a, b, 1 );
if (chroma){
if (CHROMA444(h)) {
filter_mb_mbaff_edgev ( h, img_cb, uvlinesize, bS , 1, bqp[0], a, b, 1 );
filter_mb_mbaff_edgev ( h, img_cb + 8*uvlinesize, uvlinesize, bS+4, 1, bqp[1], a, b, 1 );
filter_mb_mbaff_edgev ( h, img_cr, uvlinesize, bS , 1, rqp[0], a, b, 1 );
filter_mb_mbaff_edgev ( h, img_cr + 8*uvlinesize, uvlinesize, bS+4, 1, rqp[1], a, b, 1 );
} else if (CHROMA422(h)) {
filter_mb_mbaff_edgecv(h, img_cb, uvlinesize, bS , 1, bqp[0], a, b, 1);
filter_mb_mbaff_edgecv(h, img_cb + 8*uvlinesize, uvlinesize, bS+4, 1, bqp[1], a, b, 1);
filter_mb_mbaff_edgecv(h, img_cr, uvlinesize, bS , 1, rqp[0], a, b, 1);
filter_mb_mbaff_edgecv(h, img_cr + 8*uvlinesize, uvlinesize, bS+4, 1, rqp[1], a, b, 1);
}else{
filter_mb_mbaff_edgecv( h, img_cb, uvlinesize, bS , 1, bqp[0], a, b, 1 );
filter_mb_mbaff_edgecv( h, img_cb + 4*uvlinesize, uvlinesize, bS+4, 1, bqp[1], a, b, 1 );
filter_mb_mbaff_edgecv( h, img_cr, uvlinesize, bS , 1, rqp[0], a, b, 1 );
filter_mb_mbaff_edgecv( h, img_cr + 4*uvlinesize, uvlinesize, bS+4, 1, rqp[1], a, b, 1 );
}
}
}else{
filter_mb_mbaff_edgev ( h, img_y , 2* linesize, bS , 2, qp [0], a, b, 1 );
filter_mb_mbaff_edgev ( h, img_y + linesize, 2* linesize, bS+1, 2, qp [1], a, b, 1 );
if (chroma){
if (CHROMA444(h)) {
filter_mb_mbaff_edgev ( h, img_cb, 2*uvlinesize, bS , 2, bqp[0], a, b, 1 );
filter_mb_mbaff_edgev ( h, img_cb + uvlinesize, 2*uvlinesize, bS+1, 2, bqp[1], a, b, 1 );
filter_mb_mbaff_edgev ( h, img_cr, 2*uvlinesize, bS , 2, rqp[0], a, b, 1 );
filter_mb_mbaff_edgev ( h, img_cr + uvlinesize, 2*uvlinesize, bS+1, 2, rqp[1], a, b, 1 );
}else{
filter_mb_mbaff_edgecv( h, img_cb, 2*uvlinesize, bS , 2, bqp[0], a, b, 1 );
filter_mb_mbaff_edgecv( h, img_cb + uvlinesize, 2*uvlinesize, bS+1, 2, bqp[1], a, b, 1 );
filter_mb_mbaff_edgecv( h, img_cr, 2*uvlinesize, bS , 2, rqp[0], a, b, 1 );
filter_mb_mbaff_edgecv( h, img_cr + uvlinesize, 2*uvlinesize, bS+1, 2, rqp[1], a, b, 1 );
}
}
}
}
#if CONFIG_SMALL
{
int dir;
for (dir = 0; dir < 2; dir++)
filter_mb_dir(h, sl, mb_x, mb_y, img_y, img_cb, img_cr, linesize,
uvlinesize, mb_xy, mb_type, mvy_limit,
dir ? 0 : first_vertical_edge_done, a, b,
chroma, dir);
}
#else
filter_mb_dir(h, sl, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize, mb_xy, mb_type, mvy_limit, first_vertical_edge_done, a, b, chroma, 0);
filter_mb_dir(h, sl, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize, mb_xy, mb_type, mvy_limit, 0, a, b, chroma, 1);
#endif
}
| 20,854 |
qemu | d4044c2a6b9ba4a00dd653f515a4b0ebfcb7e125 | 1 | e1000_set_link_status(VLANClientState *nc)
{
E1000State *s = DO_UPCAST(NICState, nc, nc)->opaque;
uint32_t old_status = s->mac_reg[STATUS];
if (nc->link_down)
s->mac_reg[STATUS] &= ~E1000_STATUS_LU;
else
s->mac_reg[STATUS] |= E1000_STATUS_LU;
if (s->mac_reg[STATUS] != old_status)
set_ics(s, 0, E1000_ICR_LSC);
}
| 20,855 |
qemu | f8ed85ac992c48814d916d5df4d44f9a971c5de4 | 1 | static void tcx_initfn(Object *obj)
{
SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
TCXState *s = TCX(obj);
memory_region_init_ram(&s->rom, NULL, "tcx.prom", FCODE_MAX_ROM_SIZE,
&error_abort);
memory_region_set_readonly(&s->rom, true);
sysbus_init_mmio(sbd, &s->rom);
/* 2/STIP : Stippler */
memory_region_init_io(&s->stip, OBJECT(s), &tcx_stip_ops, s, "tcx.stip",
TCX_STIP_NREGS);
sysbus_init_mmio(sbd, &s->stip);
/* 3/BLIT : Blitter */
memory_region_init_io(&s->blit, OBJECT(s), &tcx_blit_ops, s, "tcx.blit",
TCX_BLIT_NREGS);
sysbus_init_mmio(sbd, &s->blit);
/* 5/RSTIP : Raw Stippler */
memory_region_init_io(&s->rstip, OBJECT(s), &tcx_rstip_ops, s, "tcx.rstip",
TCX_RSTIP_NREGS);
sysbus_init_mmio(sbd, &s->rstip);
/* 6/RBLIT : Raw Blitter */
memory_region_init_io(&s->rblit, OBJECT(s), &tcx_rblit_ops, s, "tcx.rblit",
TCX_RBLIT_NREGS);
sysbus_init_mmio(sbd, &s->rblit);
/* 7/TEC : ??? */
memory_region_init_io(&s->tec, OBJECT(s), &tcx_dummy_ops, s,
"tcx.tec", TCX_TEC_NREGS);
sysbus_init_mmio(sbd, &s->tec);
/* 8/CMAP : DAC */
memory_region_init_io(&s->dac, OBJECT(s), &tcx_dac_ops, s,
"tcx.dac", TCX_DAC_NREGS);
sysbus_init_mmio(sbd, &s->dac);
/* 9/THC : Cursor */
memory_region_init_io(&s->thc, OBJECT(s), &tcx_thc_ops, s, "tcx.thc",
TCX_THC_NREGS);
sysbus_init_mmio(sbd, &s->thc);
/* 11/DHC : ??? */
memory_region_init_io(&s->dhc, OBJECT(s), &tcx_dummy_ops, s, "tcx.dhc",
TCX_DHC_NREGS);
sysbus_init_mmio(sbd, &s->dhc);
/* 12/ALT : ??? */
memory_region_init_io(&s->alt, OBJECT(s), &tcx_dummy_ops, s, "tcx.alt",
TCX_ALT_NREGS);
sysbus_init_mmio(sbd, &s->alt);
return;
}
| 20,857 |
FFmpeg | 60991ad6ae61e131085891c37e8e517b5014ce21 | 1 | static int alloc_buffer(AVCodecContext *s, InputStream *ist, FrameBuffer **pbuf)
{
FrameBuffer *buf = av_mallocz(sizeof(*buf));
int i, ret;
const int pixel_size = av_pix_fmt_descriptors[s->pix_fmt].comp[0].step_minus1+1;
int h_chroma_shift, v_chroma_shift;
int edge = 32; // XXX should be avcodec_get_edge_width(), but that fails on svq1
int w = s->width, h = s->height;
if (!buf)
return AVERROR(ENOMEM);
if (!(s->flags & CODEC_FLAG_EMU_EDGE)) {
w += 2*edge;
h += 2*edge;
}
avcodec_align_dimensions(s, &w, &h);
if ((ret = av_image_alloc(buf->base, buf->linesize, w, h,
s->pix_fmt, 32)) < 0) {
av_freep(&buf);
return ret;
}
/* XXX this shouldn't be needed, but some tests break without this line
* those decoders are buggy and need to be fixed.
* the following tests fail:
* bethsoft-vid, cdgraphics, ansi, aasc, fraps-v1, qtrle-1bit
*/
memset(buf->base[0], 128, ret);
avcodec_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, &v_chroma_shift);
for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
const int h_shift = i==0 ? 0 : h_chroma_shift;
const int v_shift = i==0 ? 0 : v_chroma_shift;
if (s->flags & CODEC_FLAG_EMU_EDGE)
buf->data[i] = buf->base[i];
else
buf->data[i] = buf->base[i] +
FFALIGN((buf->linesize[i]*edge >> v_shift) +
(pixel_size*edge >> h_shift), 32);
}
buf->w = s->width;
buf->h = s->height;
buf->pix_fmt = s->pix_fmt;
buf->ist = ist;
*pbuf = buf;
return 0;
}
| 20,858 |
qemu | d187e08dc4d0793dab1a9747b72b17a1cf0d3e43 | 1 | static void x86_cpu_initfn(Object *obj)
{
CPUState *cs = CPU(obj);
X86CPU *cpu = X86_CPU(obj);
X86CPUClass *xcc = X86_CPU_GET_CLASS(obj);
CPUX86State *env = &cpu->env;
FeatureWord w;
cs->env_ptr = env;
object_property_add(obj, "family", "int",
x86_cpuid_version_get_family,
x86_cpuid_version_set_family, NULL, NULL, NULL);
object_property_add(obj, "model", "int",
x86_cpuid_version_get_model,
x86_cpuid_version_set_model, NULL, NULL, NULL);
object_property_add(obj, "stepping", "int",
x86_cpuid_version_get_stepping,
x86_cpuid_version_set_stepping, NULL, NULL, NULL);
object_property_add_str(obj, "vendor",
x86_cpuid_get_vendor,
x86_cpuid_set_vendor, NULL);
object_property_add_str(obj, "model-id",
x86_cpuid_get_model_id,
x86_cpuid_set_model_id, NULL);
object_property_add(obj, "tsc-frequency", "int",
x86_cpuid_get_tsc_freq,
x86_cpuid_set_tsc_freq, NULL, NULL, NULL);
object_property_add(obj, "feature-words", "X86CPUFeatureWordInfo",
x86_cpu_get_feature_words,
NULL, NULL, (void *)env->features, NULL);
object_property_add(obj, "filtered-features", "X86CPUFeatureWordInfo",
x86_cpu_get_feature_words,
NULL, NULL, (void *)cpu->filtered_features, NULL);
cpu->hyperv_spinlock_attempts = HYPERV_SPINLOCK_NEVER_RETRY;
for (w = 0; w < FEATURE_WORDS; w++) {
int bitnr;
for (bitnr = 0; bitnr < 32; bitnr++) {
x86_cpu_register_feature_bit_props(cpu, w, bitnr);
}
}
object_property_add_alias(obj, "sse3", obj, "pni", &error_abort);
object_property_add_alias(obj, "pclmuldq", obj, "pclmulqdq", &error_abort);
object_property_add_alias(obj, "sse4-1", obj, "sse4.1", &error_abort);
object_property_add_alias(obj, "sse4-2", obj, "sse4.2", &error_abort);
object_property_add_alias(obj, "xd", obj, "nx", &error_abort);
object_property_add_alias(obj, "ffxsr", obj, "fxsr-opt", &error_abort);
object_property_add_alias(obj, "i64", obj, "lm", &error_abort);
object_property_add_alias(obj, "ds_cpl", obj, "ds-cpl", &error_abort);
object_property_add_alias(obj, "tsc_adjust", obj, "tsc-adjust", &error_abort);
object_property_add_alias(obj, "fxsr_opt", obj, "fxsr-opt", &error_abort);
object_property_add_alias(obj, "lahf_lm", obj, "lahf-lm", &error_abort);
object_property_add_alias(obj, "cmp_legacy", obj, "cmp-legacy", &error_abort);
object_property_add_alias(obj, "nodeid_msr", obj, "nodeid-msr", &error_abort);
object_property_add_alias(obj, "perfctr_core", obj, "perfctr-core", &error_abort);
object_property_add_alias(obj, "perfctr_nb", obj, "perfctr-nb", &error_abort);
object_property_add_alias(obj, "kvm_nopiodelay", obj, "kvm-nopiodelay", &error_abort);
object_property_add_alias(obj, "kvm_mmu", obj, "kvm-mmu", &error_abort);
object_property_add_alias(obj, "kvm_asyncpf", obj, "kvm-asyncpf", &error_abort);
object_property_add_alias(obj, "kvm_steal_time", obj, "kvm-steal-time", &error_abort);
object_property_add_alias(obj, "kvm_pv_eoi", obj, "kvm-pv-eoi", &error_abort);
object_property_add_alias(obj, "kvm_pv_unhalt", obj, "kvm-pv-unhalt", &error_abort);
object_property_add_alias(obj, "svm_lock", obj, "svm-lock", &error_abort);
object_property_add_alias(obj, "nrip_save", obj, "nrip-save", &error_abort);
object_property_add_alias(obj, "tsc_scale", obj, "tsc-scale", &error_abort);
object_property_add_alias(obj, "vmcb_clean", obj, "vmcb-clean", &error_abort);
object_property_add_alias(obj, "pause_filter", obj, "pause-filter", &error_abort);
object_property_add_alias(obj, "sse4_1", obj, "sse4.1", &error_abort);
object_property_add_alias(obj, "sse4_2", obj, "sse4.2", &error_abort);
x86_cpu_load_def(cpu, xcc->cpu_def, &error_abort);
} | 20,859 |
FFmpeg | 68aefbe81cb3b9dd002108782bb8d798e1c12806 | 1 | static void video_refresh_timer(void *opaque)
{
VideoState *is = opaque;
VideoPicture *vp;
SubPicture *sp, *sp2;
if (is->video_st) {
if (is->pictq_size == 0) {
/* if no picture, need to wait */
schedule_refresh(is, 1);
} else {
/* dequeue the picture */
vp = &is->pictq[is->pictq_rindex];
/* update current video pts */
is->video_current_pts = vp->pts;
is->video_current_pts_time = av_gettime();
/* launch timer for next picture */
schedule_refresh(is, (int)(compute_frame_delay(vp->pts, is) * 1000 + 0.5));
if(is->subtitle_st) {
if (is->subtitle_stream_changed) {
SDL_LockMutex(is->subpq_mutex);
while (is->subpq_size) {
free_subpicture(&is->subpq[is->subpq_rindex]);
/* update queue size and signal for next picture */
if (++is->subpq_rindex == SUBPICTURE_QUEUE_SIZE)
is->subpq_rindex = 0;
is->subpq_size--;
}
is->subtitle_stream_changed = 0;
SDL_CondSignal(is->subpq_cond);
SDL_UnlockMutex(is->subpq_mutex);
} else {
if (is->subpq_size > 0) {
sp = &is->subpq[is->subpq_rindex];
if (is->subpq_size > 1)
sp2 = &is->subpq[(is->subpq_rindex + 1) % SUBPICTURE_QUEUE_SIZE];
else
sp2 = NULL;
if ((is->video_current_pts > (sp->pts + ((float) sp->sub.end_display_time / 1000)))
|| (sp2 && is->video_current_pts > (sp2->pts + ((float) sp2->sub.start_display_time / 1000))))
{
free_subpicture(sp);
/* update queue size and signal for next picture */
if (++is->subpq_rindex == SUBPICTURE_QUEUE_SIZE)
is->subpq_rindex = 0;
SDL_LockMutex(is->subpq_mutex);
is->subpq_size--;
SDL_CondSignal(is->subpq_cond);
SDL_UnlockMutex(is->subpq_mutex);
}
}
}
}
/* display picture */
video_display(is);
/* update queue size and signal for next picture */
if (++is->pictq_rindex == VIDEO_PICTURE_QUEUE_SIZE)
is->pictq_rindex = 0;
SDL_LockMutex(is->pictq_mutex);
is->pictq_size--;
SDL_CondSignal(is->pictq_cond);
SDL_UnlockMutex(is->pictq_mutex);
}
} else if (is->audio_st) {
/* draw the next audio frame */
schedule_refresh(is, 40);
/* if only audio stream, then display the audio bars (better
than nothing, just to test the implementation */
/* display picture */
video_display(is);
} else {
schedule_refresh(is, 100);
}
if (show_status) {
static int64_t last_time;
int64_t cur_time;
int aqsize, vqsize, sqsize;
double av_diff;
cur_time = av_gettime();
if (!last_time || (cur_time - last_time) >= 30000) {
aqsize = 0;
vqsize = 0;
sqsize = 0;
if (is->audio_st)
aqsize = is->audioq.size;
if (is->video_st)
vqsize = is->videoq.size;
if (is->subtitle_st)
sqsize = is->subtitleq.size;
av_diff = 0;
if (is->audio_st && is->video_st)
av_diff = get_audio_clock(is) - get_video_clock(is);
printf("%7.2f A-V:%7.3f aq=%5dKB vq=%5dKB sq=%5dB f=%Ld/%Ld \r",
get_master_clock(is), av_diff, aqsize / 1024, vqsize / 1024, sqsize, is->faulty_dts, is->faulty_pts);
fflush(stdout);
last_time = cur_time;
}
}
}
| 20,860 |
qemu | 4f4321c11ff6e98583846bfd6f0e81954924b003 | 1 | static int usb_net_handle_data(USBDevice *dev, USBPacket *p)
{
USBNetState *s = (USBNetState *) dev;
int ret = 0;
switch(p->pid) {
case USB_TOKEN_IN:
switch (p->devep) {
case 1:
ret = usb_net_handle_statusin(s, p);
break;
case 2:
ret = usb_net_handle_datain(s, p);
break;
default:
goto fail;
}
break;
case USB_TOKEN_OUT:
switch (p->devep) {
case 2:
ret = usb_net_handle_dataout(s, p);
break;
default:
goto fail;
}
break;
default:
fail:
ret = USB_RET_STALL;
break;
}
if (ret == USB_RET_STALL)
fprintf(stderr, "usbnet: failed data transaction: "
"pid 0x%x ep 0x%x len 0x%x\n",
p->pid, p->devep, p->len);
return ret;
}
| 20,861 |
qemu | 6687b79d636cd60ed9adb1177d0d946b58fa7717 | 1 | int net_init_bridge(QemuOpts *opts, const char *name, VLANState *vlan)
{
TAPState *s;
int fd, vnet_hdr;
if (!qemu_opt_get(opts, "br")) {
qemu_opt_set(opts, "br", DEFAULT_BRIDGE_INTERFACE);
}
if (!qemu_opt_get(opts, "helper")) {
qemu_opt_set(opts, "helper", DEFAULT_BRIDGE_HELPER);
}
fd = net_bridge_run_helper(qemu_opt_get(opts, "helper"),
qemu_opt_get(opts, "br"));
if (fd == -1) {
return -1;
}
fcntl(fd, F_SETFL, O_NONBLOCK);
vnet_hdr = tap_probe_vnet_hdr(fd);
s = net_tap_fd_init(vlan, "bridge", name, fd, vnet_hdr);
if (!s) {
close(fd);
return -1;
}
snprintf(s->nc.info_str, sizeof(s->nc.info_str), "helper=%s,br=%s",
qemu_opt_get(opts, "helper"), qemu_opt_get(opts, "br"));
return 0;
}
| 20,862 |
qemu | 47985727e383eee191a39cc007541c17cd8680ee | 1 | static int vfio_setup_pcie_cap(VFIOPCIDevice *vdev, int pos, uint8_t size,
Error **errp)
{
uint16_t flags;
uint8_t type;
flags = pci_get_word(vdev->pdev.config + pos + PCI_CAP_FLAGS);
type = (flags & PCI_EXP_FLAGS_TYPE) >> 4;
if (type != PCI_EXP_TYPE_ENDPOINT &&
type != PCI_EXP_TYPE_LEG_END &&
type != PCI_EXP_TYPE_RC_END) {
error_setg(errp, "assignment of PCIe type 0x%x "
"devices is not currently supported", type);
return -EINVAL;
if (!pci_bus_is_express(vdev->pdev.bus)) {
PCIBus *bus = vdev->pdev.bus;
PCIDevice *bridge;
* Traditionally PCI device assignment exposes the PCIe capability
* as-is on non-express buses. The reason being that some drivers
* simply assume that it's there, for example tg3. However when
* we're running on a native PCIe machine type, like Q35, we need
* to hide the PCIe capability. The reason for this is twofold;
* first Windows guests get a Code 10 error when the PCIe capability
* is exposed in this configuration. Therefore express devices won't
* work at all unless they're attached to express buses in the VM.
* Second, a native PCIe machine introduces the possibility of fine
* granularity IOMMUs supporting both translation and isolation.
* Guest code to discover the IOMMU visibility of a device, such as
* IOMMU grouping code on Linux, is very aware of device types and
* valid transitions between bus types. An express device on a non-
* express bus is not a valid combination on bare metal systems.
*
* Drivers that require a PCIe capability to make the device
* functional are simply going to need to have their devices placed
* on a PCIe bus in the VM.
while (!pci_bus_is_root(bus)) {
bridge = pci_bridge_get_device(bus);
bus = bridge->bus;
if (pci_bus_is_express(bus)) {
return 0;
} else if (pci_bus_is_root(vdev->pdev.bus)) {
* On a Root Complex bus Endpoints become Root Complex Integrated
* Endpoints, which changes the type and clears the LNK & LNK2 fields.
if (type == PCI_EXP_TYPE_ENDPOINT) {
PCI_EXP_TYPE_RC_END << 4,
PCI_EXP_FLAGS_TYPE);
/* Link Capabilities, Status, and Control goes away */
if (size > PCI_EXP_LNKCTL) {
vfio_add_emulated_long(vdev, pos + PCI_EXP_LNKCAP, 0, ~0);
vfio_add_emulated_word(vdev, pos + PCI_EXP_LNKCTL, 0, ~0);
vfio_add_emulated_word(vdev, pos + PCI_EXP_LNKSTA, 0, ~0);
#ifndef PCI_EXP_LNKCAP2
#define PCI_EXP_LNKCAP2 44
#endif
#ifndef PCI_EXP_LNKSTA2
#define PCI_EXP_LNKSTA2 50
#endif
/* Link 2 Capabilities, Status, and Control goes away */
if (size > PCI_EXP_LNKCAP2) {
vfio_add_emulated_long(vdev, pos + PCI_EXP_LNKCAP2, 0, ~0);
vfio_add_emulated_word(vdev, pos + PCI_EXP_LNKCTL2, 0, ~0);
vfio_add_emulated_word(vdev, pos + PCI_EXP_LNKSTA2, 0, ~0);
} else if (type == PCI_EXP_TYPE_LEG_END) {
* Legacy endpoints don't belong on the root complex. Windows
* seems to be happier with devices if we skip the capability.
return 0;
} else {
* Convert Root Complex Integrated Endpoints to regular endpoints.
* These devices don't support LNK/LNK2 capabilities, so make them up.
if (type == PCI_EXP_TYPE_RC_END) {
PCI_EXP_TYPE_ENDPOINT << 4,
PCI_EXP_FLAGS_TYPE);
vfio_add_emulated_long(vdev, pos + PCI_EXP_LNKCAP,
PCI_EXP_LNK_MLW_1 | PCI_EXP_LNK_LS_25, ~0);
vfio_add_emulated_word(vdev, pos + PCI_EXP_LNKCTL, 0, ~0);
/* Mark the Link Status bits as emulated to allow virtual negotiation */
vfio_add_emulated_word(vdev, pos + PCI_EXP_LNKSTA,
pci_get_word(vdev->pdev.config + pos +
PCI_EXP_LNKSTA),
PCI_EXP_LNKCAP_MLW | PCI_EXP_LNKCAP_SLS);
pos = pci_add_capability(&vdev->pdev, PCI_CAP_ID_EXP, pos, size,
errp);
if (pos < 0) {
return pos;
vdev->pdev.exp.exp_cap = pos;
return pos; | 20,863 |
FFmpeg | 1f6d0d42c53cde5e33e92c4529b774c256157f89 | 1 | static int nsv_read_close(AVFormatContext *s)
{
/* int i; */
NSVContext *nsv = s->priv_data;
av_freep(&nsv->nsvs_file_offset);
av_freep(&nsv->nsvs_timestamps);
#if 0
for(i=0;i<s->nb_streams;i++) {
AVStream *st = s->streams[i];
NSVStream *ast = st->priv_data;
if(ast){
av_free(ast->index_entries);
av_free(ast);
}
av_free(st->codec->palctrl);
}
#endif
return 0;
} | 20,864 |
FFmpeg | 34c52005605d68f7cd1957b169b6732c7d2447d9 | 1 | static int create_vorbis_context(vorbis_enc_context *venc,
AVCodecContext *avctx)
{
vorbis_enc_floor *fc;
vorbis_enc_residue *rc;
vorbis_enc_mapping *mc;
int i, book, ret;
venc->channels = avctx->channels;
venc->sample_rate = avctx->sample_rate;
venc->log2_blocksize[0] = venc->log2_blocksize[1] = 11;
venc->ncodebooks = FF_ARRAY_ELEMS(cvectors);
venc->codebooks = av_malloc(sizeof(vorbis_enc_codebook) * venc->ncodebooks);
if (!venc->codebooks)
return AVERROR(ENOMEM);
// codebook 0..14 - floor1 book, values 0..255
// codebook 15 residue masterbook
// codebook 16..29 residue
for (book = 0; book < venc->ncodebooks; book++) {
vorbis_enc_codebook *cb = &venc->codebooks[book];
int vals;
cb->ndimensions = cvectors[book].dim;
cb->nentries = cvectors[book].real_len;
cb->min = cvectors[book].min;
cb->delta = cvectors[book].delta;
cb->lookup = cvectors[book].lookup;
cb->seq_p = 0;
cb->lens = av_malloc_array(cb->nentries, sizeof(uint8_t));
cb->codewords = av_malloc_array(cb->nentries, sizeof(uint32_t));
if (!cb->lens || !cb->codewords)
return AVERROR(ENOMEM);
memcpy(cb->lens, cvectors[book].clens, cvectors[book].len);
memset(cb->lens + cvectors[book].len, 0, cb->nentries - cvectors[book].len);
if (cb->lookup) {
vals = cb_lookup_vals(cb->lookup, cb->ndimensions, cb->nentries);
cb->quantlist = av_malloc_array(vals, sizeof(int));
if (!cb->quantlist)
return AVERROR(ENOMEM);
for (i = 0; i < vals; i++)
cb->quantlist[i] = cvectors[book].quant[i];
} else {
cb->quantlist = NULL;
}
if ((ret = ready_codebook(cb)) < 0)
return ret;
}
venc->nfloors = 1;
venc->floors = av_malloc(sizeof(vorbis_enc_floor) * venc->nfloors);
if (!venc->floors)
return AVERROR(ENOMEM);
// just 1 floor
fc = &venc->floors[0];
fc->partitions = NUM_FLOOR_PARTITIONS;
fc->partition_to_class = av_malloc(sizeof(int) * fc->partitions);
if (!fc->partition_to_class)
return AVERROR(ENOMEM);
fc->nclasses = 0;
for (i = 0; i < fc->partitions; i++) {
static const int a[] = {0, 1, 2, 2, 3, 3, 4, 4};
fc->partition_to_class[i] = a[i];
fc->nclasses = FFMAX(fc->nclasses, fc->partition_to_class[i]);
}
fc->nclasses++;
fc->classes = av_malloc_array(fc->nclasses, sizeof(vorbis_enc_floor_class));
if (!fc->classes)
return AVERROR(ENOMEM);
for (i = 0; i < fc->nclasses; i++) {
vorbis_enc_floor_class * c = &fc->classes[i];
int j, books;
c->dim = floor_classes[i].dim;
c->subclass = floor_classes[i].subclass;
c->masterbook = floor_classes[i].masterbook;
books = (1 << c->subclass);
c->books = av_malloc_array(books, sizeof(int));
if (!c->books)
return AVERROR(ENOMEM);
for (j = 0; j < books; j++)
c->books[j] = floor_classes[i].nbooks[j];
}
fc->multiplier = 2;
fc->rangebits = venc->log2_blocksize[0] - 1;
fc->values = 2;
for (i = 0; i < fc->partitions; i++)
fc->values += fc->classes[fc->partition_to_class[i]].dim;
fc->list = av_malloc_array(fc->values, sizeof(vorbis_floor1_entry));
if (!fc->list)
return AVERROR(ENOMEM);
fc->list[0].x = 0;
fc->list[1].x = 1 << fc->rangebits;
for (i = 2; i < fc->values; i++) {
static const int a[] = {
93, 23,372, 6, 46,186,750, 14, 33, 65,
130,260,556, 3, 10, 18, 28, 39, 55, 79,
111,158,220,312,464,650,850
};
fc->list[i].x = a[i - 2];
}
if (ff_vorbis_ready_floor1_list(avctx, fc->list, fc->values))
return AVERROR_BUG;
venc->nresidues = 1;
venc->residues = av_malloc(sizeof(vorbis_enc_residue) * venc->nresidues);
if (!venc->residues)
return AVERROR(ENOMEM);
// single residue
rc = &venc->residues[0];
rc->type = 2;
rc->begin = 0;
rc->end = 1600;
rc->partition_size = 32;
rc->classifications = 10;
rc->classbook = 15;
rc->books = av_malloc(sizeof(*rc->books) * rc->classifications);
if (!rc->books)
return AVERROR(ENOMEM);
{
static const int8_t a[10][8] = {
{ -1, -1, -1, -1, -1, -1, -1, -1, },
{ -1, -1, 16, -1, -1, -1, -1, -1, },
{ -1, -1, 17, -1, -1, -1, -1, -1, },
{ -1, -1, 18, -1, -1, -1, -1, -1, },
{ -1, -1, 19, -1, -1, -1, -1, -1, },
{ -1, -1, 20, -1, -1, -1, -1, -1, },
{ -1, -1, 21, -1, -1, -1, -1, -1, },
{ 22, 23, -1, -1, -1, -1, -1, -1, },
{ 24, 25, -1, -1, -1, -1, -1, -1, },
{ 26, 27, 28, -1, -1, -1, -1, -1, },
};
memcpy(rc->books, a, sizeof a);
}
if ((ret = ready_residue(rc, venc)) < 0)
return ret;
venc->nmappings = 1;
venc->mappings = av_malloc(sizeof(vorbis_enc_mapping) * venc->nmappings);
if (!venc->mappings)
return AVERROR(ENOMEM);
// single mapping
mc = &venc->mappings[0];
mc->submaps = 1;
mc->mux = av_malloc(sizeof(int) * venc->channels);
if (!mc->mux)
return AVERROR(ENOMEM);
for (i = 0; i < venc->channels; i++)
mc->mux[i] = 0;
mc->floor = av_malloc(sizeof(int) * mc->submaps);
mc->residue = av_malloc(sizeof(int) * mc->submaps);
if (!mc->floor || !mc->residue)
return AVERROR(ENOMEM);
for (i = 0; i < mc->submaps; i++) {
mc->floor[i] = 0;
mc->residue[i] = 0;
}
mc->coupling_steps = venc->channels == 2 ? 1 : 0;
mc->magnitude = av_malloc(sizeof(int) * mc->coupling_steps);
mc->angle = av_malloc(sizeof(int) * mc->coupling_steps);
if (!mc->magnitude || !mc->angle)
return AVERROR(ENOMEM);
if (mc->coupling_steps) {
mc->magnitude[0] = 0;
mc->angle[0] = 1;
}
venc->nmodes = 1;
venc->modes = av_malloc(sizeof(vorbis_enc_mode) * venc->nmodes);
if (!venc->modes)
return AVERROR(ENOMEM);
// single mode
venc->modes[0].blockflag = 0;
venc->modes[0].mapping = 0;
venc->have_saved = 0;
venc->saved = av_malloc_array(sizeof(float) * venc->channels, (1 << venc->log2_blocksize[1]) / 2);
venc->samples = av_malloc_array(sizeof(float) * venc->channels, (1 << venc->log2_blocksize[1]));
venc->floor = av_malloc_array(sizeof(float) * venc->channels, (1 << venc->log2_blocksize[1]) / 2);
venc->coeffs = av_malloc_array(sizeof(float) * venc->channels, (1 << venc->log2_blocksize[1]) / 2);
if (!venc->saved || !venc->samples || !venc->floor || !venc->coeffs)
return AVERROR(ENOMEM);
if ((ret = dsp_init(avctx, venc)) < 0)
return ret;
return 0;
}
| 20,865 |
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