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stringclasses 2
values | commit_id
stringlengths 40
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stringlengths 26
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FFmpeg | 257c85cddde8633caffb76e97e9710b1aebfc511 | 1 | static int get_nb_samples(AVCodecContext *avctx, const uint8_t *buf,
int buf_size, int *coded_samples)
{
ADPCMDecodeContext *s = avctx->priv_data;
int nb_samples = 0;
int ch = avctx->channels;
int has_coded_samples = 0;
int header_size;
*coded_samples = 0;
switch (avctx->codec->id) {
/* constant, only check buf_size */
case CODEC_ID_ADPCM_EA_XAS:
if (buf_size < 76 * ch)
nb_samples = 128;
break;
case CODEC_ID_ADPCM_IMA_QT:
if (buf_size < 34 * ch)
nb_samples = 64;
break;
/* simple 4-bit adpcm */
case CODEC_ID_ADPCM_CT:
case CODEC_ID_ADPCM_IMA_EA_SEAD:
case CODEC_ID_ADPCM_IMA_WS:
case CODEC_ID_ADPCM_YAMAHA:
nb_samples = buf_size * 2 / ch;
break;
}
if (nb_samples)
return nb_samples;
/* simple 4-bit adpcm, with header */
header_size = 0;
switch (avctx->codec->id) {
case CODEC_ID_ADPCM_4XM:
case CODEC_ID_ADPCM_IMA_ISS: header_size = 4 * ch; break;
case CODEC_ID_ADPCM_IMA_AMV: header_size = 8; break;
case CODEC_ID_ADPCM_IMA_SMJPEG: header_size = 4; break;
}
if (header_size > 0)
return (buf_size - header_size) * 2 / ch;
/* more complex formats */
switch (avctx->codec->id) {
case CODEC_ID_ADPCM_EA:
has_coded_samples = 1;
if (buf_size < 4)
*coded_samples = AV_RL32(buf);
*coded_samples -= *coded_samples % 28;
nb_samples = (buf_size - 12) / 30 * 28;
break;
case CODEC_ID_ADPCM_IMA_EA_EACS:
has_coded_samples = 1;
if (buf_size < 4)
*coded_samples = AV_RL32(buf);
nb_samples = (buf_size - (4 + 8 * ch)) * 2 / ch;
break;
case CODEC_ID_ADPCM_EA_MAXIS_XA:
nb_samples = ((buf_size - ch) / (2 * ch)) * 2 * ch;
break;
case CODEC_ID_ADPCM_EA_R1:
case CODEC_ID_ADPCM_EA_R2:
case CODEC_ID_ADPCM_EA_R3:
/* maximum number of samples */
/* has internal offsets and a per-frame switch to signal raw 16-bit */
has_coded_samples = 1;
if (buf_size < 4)
switch (avctx->codec->id) {
case CODEC_ID_ADPCM_EA_R1:
header_size = 4 + 9 * ch;
*coded_samples = AV_RL32(buf);
break;
case CODEC_ID_ADPCM_EA_R2:
header_size = 4 + 5 * ch;
*coded_samples = AV_RL32(buf);
break;
case CODEC_ID_ADPCM_EA_R3:
header_size = 4 + 5 * ch;
*coded_samples = AV_RB32(buf);
break;
}
*coded_samples -= *coded_samples % 28;
nb_samples = (buf_size - header_size) * 2 / ch;
nb_samples -= nb_samples % 28;
break;
case CODEC_ID_ADPCM_IMA_DK3:
if (avctx->block_align > 0)
buf_size = FFMIN(buf_size, avctx->block_align);
nb_samples = ((buf_size - 16) * 8 / 3) / ch;
break;
case CODEC_ID_ADPCM_IMA_DK4:
nb_samples = 1 + (buf_size - 4 * ch) * 2 / ch;
break;
case CODEC_ID_ADPCM_IMA_WAV:
if (avctx->block_align > 0)
buf_size = FFMIN(buf_size, avctx->block_align);
nb_samples = 1 + (buf_size - 4 * ch) / (4 * ch) * 8;
break;
case CODEC_ID_ADPCM_MS:
if (avctx->block_align > 0)
buf_size = FFMIN(buf_size, avctx->block_align);
nb_samples = 2 + (buf_size - 7 * ch) * 2 / ch;
break;
case CODEC_ID_ADPCM_SBPRO_2:
case CODEC_ID_ADPCM_SBPRO_3:
case CODEC_ID_ADPCM_SBPRO_4:
{
int samples_per_byte;
switch (avctx->codec->id) {
case CODEC_ID_ADPCM_SBPRO_2: samples_per_byte = 4; break;
case CODEC_ID_ADPCM_SBPRO_3: samples_per_byte = 3; break;
case CODEC_ID_ADPCM_SBPRO_4: samples_per_byte = 2; break;
}
if (!s->status[0].step_index) {
nb_samples++;
buf_size -= ch;
}
nb_samples += buf_size * samples_per_byte / ch;
break;
}
case CODEC_ID_ADPCM_SWF:
{
int buf_bits = buf_size * 8 - 2;
int nbits = (buf[0] >> 6) + 2;
int block_hdr_size = 22 * ch;
int block_size = block_hdr_size + nbits * ch * 4095;
int nblocks = buf_bits / block_size;
int bits_left = buf_bits - nblocks * block_size;
nb_samples = nblocks * 4096;
if (bits_left >= block_hdr_size)
nb_samples += 1 + (bits_left - block_hdr_size) / (nbits * ch);
break;
}
case CODEC_ID_ADPCM_THP:
has_coded_samples = 1;
if (buf_size < 8)
*coded_samples = AV_RB32(&buf[4]);
*coded_samples -= *coded_samples % 14;
nb_samples = (buf_size - 80) / (8 * ch) * 14;
break;
case CODEC_ID_ADPCM_XA:
nb_samples = (buf_size / 128) * 224 / ch;
break;
}
/* validate coded sample count */
if (has_coded_samples && (*coded_samples <= 0 || *coded_samples > nb_samples))
return AVERROR_INVALIDDATA;
return nb_samples;
} | 10,457 |
FFmpeg | 7da9f4523159670d577a2808d4481e64008a8894 | 1 | static int64_t calculate_mode_score(CinepakEncContext *s, CinepakMode mode, int h, int v1_size, int v4_size, int v4, strip_info *info)
{
//score = FF_LAMBDA_SCALE * error + lambda * bits
int x;
int entry_size = s->pix_fmt == AV_PIX_FMT_YUV420P ? 6 : 4;
int mb_count = s->w * h / MB_AREA;
mb_info *mb;
int64_t score1, score2, score3;
int64_t ret = s->lambda * ((v1_size ? CHUNK_HEADER_SIZE + v1_size * entry_size : 0) +
(v4_size ? CHUNK_HEADER_SIZE + v4_size * entry_size : 0) +
CHUNK_HEADER_SIZE) << 3;
//av_log(s->avctx, AV_LOG_INFO, "sizes %3i %3i -> %9li score mb_count %i", v1_size, v4_size, ret, mb_count);
switch(mode) {
case MODE_V1_ONLY:
//one byte per MB
ret += s->lambda * 8 * mb_count;
for(x = 0; x < mb_count; x++) {
mb = &s->mb[x];
ret += FF_LAMBDA_SCALE * mb->v1_error;
mb->best_encoding = ENC_V1;
}
break;
case MODE_V1_V4:
//9 or 33 bits per MB
for(x = 0; x < mb_count; x++) {
mb = &s->mb[x];
score1 = s->lambda * 9 + FF_LAMBDA_SCALE * mb->v1_error;
score2 = s->lambda * 33 + FF_LAMBDA_SCALE * mb->v4_error[v4];
if(score1 <= score2) {
ret += score1;
mb->best_encoding = ENC_V1;
} else {
ret += score2;
mb->best_encoding = ENC_V4;
}
}
break;
case MODE_MC:
//1, 10 or 34 bits per MB
for(x = 0; x < mb_count; x++) {
mb = &s->mb[x];
score1 = s->lambda * 1 + FF_LAMBDA_SCALE * mb->skip_error;
score2 = s->lambda * 10 + FF_LAMBDA_SCALE * mb->v1_error;
score3 = s->lambda * 34 + FF_LAMBDA_SCALE * mb->v4_error[v4];
if(score1 <= score2 && score1 <= score3) {
ret += score1;
mb->best_encoding = ENC_SKIP;
} else if(score2 <= score1 && score2 <= score3) {
ret += score2;
mb->best_encoding = ENC_V1;
} else {
ret += score3;
mb->best_encoding = ENC_V4;
}
}
break;
}
return ret;
}
| 10,458 |
FFmpeg | d0dafebb753f34da61058adf956663de39a815b4 | 1 | static inline int GET_TOK(TM2Context *ctx,int type) {
if(ctx->tok_ptrs[type] >= ctx->tok_lens[type]) {
av_log(ctx->avctx, AV_LOG_ERROR, "Read token from stream %i out of bounds (%i>=%i)\n", type, ctx->tok_ptrs[type], ctx->tok_lens[type]);
return 0;
}
if(type <= TM2_MOT)
return ctx->deltas[type][ctx->tokens[type][ctx->tok_ptrs[type]++]];
return ctx->tokens[type][ctx->tok_ptrs[type]++];
}
| 10,459 |
FFmpeg | df3795025337479a639cb3cd26c93a4e82ccd4db | 1 | int ff_rtsp_open_transport_ctx(AVFormatContext *s, RTSPStream *rtsp_st)
{
RTSPState *rt = s->priv_data;
AVStream *st = NULL;
int reordering_queue_size = rt->reordering_queue_size;
if (reordering_queue_size < 0) {
if (rt->lower_transport == RTSP_LOWER_TRANSPORT_TCP || !s->max_delay)
reordering_queue_size = 0;
else
reordering_queue_size = RTP_REORDER_QUEUE_DEFAULT_SIZE;
}
/* open the RTP context */
if (rtsp_st->stream_index >= 0)
st = s->streams[rtsp_st->stream_index];
if (!st)
s->ctx_flags |= AVFMTCTX_NOHEADER;
if (CONFIG_RTSP_MUXER && s->oformat) {
int ret = ff_rtp_chain_mux_open((AVFormatContext **)&rtsp_st->transport_priv,
s, st, rtsp_st->rtp_handle,
RTSP_TCP_MAX_PACKET_SIZE,
rtsp_st->stream_index);
/* Ownership of rtp_handle is passed to the rtp mux context */
rtsp_st->rtp_handle = NULL;
if (ret < 0)
return ret;
st->time_base = ((AVFormatContext*)rtsp_st->transport_priv)->streams[0]->time_base;
} else if (rt->transport == RTSP_TRANSPORT_RAW) {
return 0; // Don't need to open any parser here
} else if (CONFIG_RTPDEC && rt->transport == RTSP_TRANSPORT_RDT)
rtsp_st->transport_priv = ff_rdt_parse_open(s, st->index,
rtsp_st->dynamic_protocol_context,
rtsp_st->dynamic_handler);
else if (CONFIG_RTPDEC)
rtsp_st->transport_priv = ff_rtp_parse_open(s, st,
rtsp_st->sdp_payload_type,
reordering_queue_size);
if (!rtsp_st->transport_priv) {
return AVERROR(ENOMEM);
} else if (CONFIG_RTPDEC && rt->transport == RTSP_TRANSPORT_RTP) {
RTPDemuxContext *rtpctx = rtsp_st->transport_priv;
rtpctx->ssrc = rtsp_st->ssrc;
if (rtsp_st->dynamic_handler) {
ff_rtp_parse_set_dynamic_protocol(rtsp_st->transport_priv,
rtsp_st->dynamic_protocol_context,
rtsp_st->dynamic_handler);
}
if (rtsp_st->crypto_suite[0])
ff_rtp_parse_set_crypto(rtsp_st->transport_priv,
rtsp_st->crypto_suite,
rtsp_st->crypto_params);
}
return 0;
}
| 10,460 |
qemu | 4f298a4b2957b7833bc607c951ca27c458d98d88 | 1 | static void chassis_control(IPMIBmcSim *ibs,
uint8_t *cmd, unsigned int cmd_len,
uint8_t *rsp, unsigned int *rsp_len,
unsigned int max_rsp_len)
{
IPMIInterface *s = ibs->parent.intf;
IPMIInterfaceClass *k = IPMI_INTERFACE_GET_CLASS(s);
IPMI_CHECK_CMD_LEN(3);
switch (cmd[2] & 0xf) {
case 0: /* power down */
rsp[2] = k->do_hw_op(s, IPMI_POWEROFF_CHASSIS, 0);
break;
case 1: /* power up */
rsp[2] = k->do_hw_op(s, IPMI_POWERON_CHASSIS, 0);
break;
case 2: /* power cycle */
rsp[2] = k->do_hw_op(s, IPMI_POWERCYCLE_CHASSIS, 0);
break;
case 3: /* hard reset */
rsp[2] = k->do_hw_op(s, IPMI_RESET_CHASSIS, 0);
break;
case 4: /* pulse diagnostic interrupt */
rsp[2] = k->do_hw_op(s, IPMI_PULSE_DIAG_IRQ, 0);
break;
case 5: /* soft shutdown via ACPI by overtemp emulation */
rsp[2] = k->do_hw_op(s,
IPMI_SHUTDOWN_VIA_ACPI_OVERTEMP, 0);
break;
default:
rsp[2] = IPMI_CC_INVALID_DATA_FIELD;
return;
}
}
| 10,461 |
FFmpeg | 7d49abdf4750d63cd9bf71235d6f064152310fff | 1 | static FFPsyWindowInfo psy_lame_window(FFPsyContext *ctx, const float *audio,
const float *la, int channel, int prev_type)
{
AacPsyContext *pctx = (AacPsyContext*) ctx->model_priv_data;
AacPsyChannel *pch = &pctx->ch[channel];
int grouping = 0;
int uselongblock = 1;
int attacks[AAC_NUM_BLOCKS_SHORT + 1] = { 0 };
float clippings[AAC_NUM_BLOCKS_SHORT];
int i;
FFPsyWindowInfo wi = { { 0 } };
if (la) {
float hpfsmpl[AAC_BLOCK_SIZE_LONG];
float const *pf = hpfsmpl;
float attack_intensity[(AAC_NUM_BLOCKS_SHORT + 1) * PSY_LAME_NUM_SUBBLOCKS];
float energy_subshort[(AAC_NUM_BLOCKS_SHORT + 1) * PSY_LAME_NUM_SUBBLOCKS];
float energy_short[AAC_NUM_BLOCKS_SHORT + 1] = { 0 };
const float *firbuf = la + (AAC_BLOCK_SIZE_SHORT/4 - PSY_LAME_FIR_LEN);
int att_sum = 0;
/* LAME comment: apply high pass filter of fs/4 */
psy_hp_filter(firbuf, hpfsmpl, psy_fir_coeffs);
/* Calculate the energies of each sub-shortblock */
for (i = 0; i < PSY_LAME_NUM_SUBBLOCKS; i++) {
energy_subshort[i] = pch->prev_energy_subshort[i + ((AAC_NUM_BLOCKS_SHORT - 1) * PSY_LAME_NUM_SUBBLOCKS)];
assert(pch->prev_energy_subshort[i + ((AAC_NUM_BLOCKS_SHORT - 2) * PSY_LAME_NUM_SUBBLOCKS + 1)] > 0);
attack_intensity[i] = energy_subshort[i] / pch->prev_energy_subshort[i + ((AAC_NUM_BLOCKS_SHORT - 2) * PSY_LAME_NUM_SUBBLOCKS + 1)];
energy_short[0] += energy_subshort[i];
}
for (i = 0; i < AAC_NUM_BLOCKS_SHORT * PSY_LAME_NUM_SUBBLOCKS; i++) {
float const *const pfe = pf + AAC_BLOCK_SIZE_LONG / (AAC_NUM_BLOCKS_SHORT * PSY_LAME_NUM_SUBBLOCKS);
float p = 1.0f;
for (; pf < pfe; pf++)
p = FFMAX(p, fabsf(*pf));
pch->prev_energy_subshort[i] = energy_subshort[i + PSY_LAME_NUM_SUBBLOCKS] = p;
energy_short[1 + i / PSY_LAME_NUM_SUBBLOCKS] += p;
/* NOTE: The indexes below are [i + 3 - 2] in the LAME source.
* Obviously the 3 and 2 have some significance, or this would be just [i + 1]
* (which is what we use here). What the 3 stands for is ambiguous, as it is both
* number of short blocks, and the number of sub-short blocks.
* It seems that LAME is comparing each sub-block to sub-block + 1 in the
* previous block.
*/
if (p > energy_subshort[i + 1])
p = p / energy_subshort[i + 1];
else if (energy_subshort[i + 1] > p * 10.0f)
p = energy_subshort[i + 1] / (p * 10.0f);
else
p = 0.0;
attack_intensity[i + PSY_LAME_NUM_SUBBLOCKS] = p;
}
/* compare energy between sub-short blocks */
for (i = 0; i < (AAC_NUM_BLOCKS_SHORT + 1) * PSY_LAME_NUM_SUBBLOCKS; i++)
if (!attacks[i / PSY_LAME_NUM_SUBBLOCKS])
if (attack_intensity[i] > pch->attack_threshold)
attacks[i / PSY_LAME_NUM_SUBBLOCKS] = (i % PSY_LAME_NUM_SUBBLOCKS) + 1;
/* should have energy change between short blocks, in order to avoid periodic signals */
/* Good samples to show the effect are Trumpet test songs */
/* GB: tuned (1) to avoid too many short blocks for test sample TRUMPET */
/* RH: tuned (2) to let enough short blocks through for test sample FSOL and SNAPS */
for (i = 1; i < AAC_NUM_BLOCKS_SHORT + 1; i++) {
float const u = energy_short[i - 1];
float const v = energy_short[i];
float const m = FFMAX(u, v);
if (m < 40000) { /* (2) */
if (u < 1.7f * v && v < 1.7f * u) { /* (1) */
if (i == 1 && attacks[0] < attacks[i])
attacks[0] = 0;
attacks[i] = 0;
}
}
att_sum += attacks[i];
}
if (attacks[0] <= pch->prev_attack)
attacks[0] = 0;
att_sum += attacks[0];
/* 3 below indicates the previous attack happened in the last sub-block of the previous sequence */
if (pch->prev_attack == 3 || att_sum) {
uselongblock = 0;
for (i = 1; i < AAC_NUM_BLOCKS_SHORT + 1; i++)
if (attacks[i] && attacks[i-1])
attacks[i] = 0;
}
} else {
/* We have no lookahead info, so just use same type as the previous sequence. */
uselongblock = !(prev_type == EIGHT_SHORT_SEQUENCE);
}
lame_apply_block_type(pch, &wi, uselongblock);
/* Calculate input sample maximums and evaluate clipping risk */
if (audio) {
for (i = 0; i < AAC_NUM_BLOCKS_SHORT; i++) {
const float *wbuf = audio + i * AAC_BLOCK_SIZE_SHORT;
float max = 0;
int j;
for (j = 0; j < AAC_BLOCK_SIZE_SHORT; j++)
max = FFMAX(max, fabsf(wbuf[j]));
clippings[i] = max;
}
} else {
for (i = 0; i < 8; i++)
clippings[i] = 0;
}
wi.window_type[1] = prev_type;
if (wi.window_type[0] != EIGHT_SHORT_SEQUENCE) {
float clipping = 0.0f;
wi.num_windows = 1;
wi.grouping[0] = 1;
if (wi.window_type[0] == LONG_START_SEQUENCE)
wi.window_shape = 0;
else
wi.window_shape = 1;
for (i = 0; i < 8; i++)
clipping = FFMAX(clipping, clippings[i]);
wi.clipping[0] = clipping;
} else {
int lastgrp = 0;
wi.num_windows = 8;
wi.window_shape = 0;
for (i = 0; i < 8; i++) {
if (!((pch->next_grouping >> i) & 1))
lastgrp = i;
wi.grouping[lastgrp]++;
}
for (i = 0; i < 8; i += wi.grouping[i]) {
int w;
float clipping = 0.0f;
for (w = 0; w < wi.grouping[i] && !clipping; w++)
clipping = FFMAX(clipping, clippings[i+w]);
wi.clipping[i] = clipping;
}
}
/* Determine grouping, based on the location of the first attack, and save for
* the next frame.
* FIXME: Move this to analysis.
* TODO: Tune groupings depending on attack location
* TODO: Handle more than one attack in a group
*/
for (i = 0; i < 9; i++) {
if (attacks[i]) {
grouping = i;
break;
}
}
pch->next_grouping = window_grouping[grouping];
pch->prev_attack = attacks[8];
return wi;
}
| 10,463 |
FFmpeg | 0712c230ae8b15f920e877e680e0fa6e856e8006 | 1 | static int dca_decode_frame(AVCodecContext * avctx,
void *data, int *data_size,
AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
int lfe_samples;
int num_core_channels = 0;
int i;
int xch_present = 0;
int16_t *samples = data;
DCAContext *s = avctx->priv_data;
int channels;
s->dca_buffer_size = dca_convert_bitstream(buf, buf_size, s->dca_buffer, DCA_MAX_FRAME_SIZE);
if (s->dca_buffer_size == -1) {
av_log(avctx, AV_LOG_ERROR, "Not a valid DCA frame\n");
return -1;
}
init_get_bits(&s->gb, s->dca_buffer, s->dca_buffer_size * 8);
if (dca_parse_frame_header(s) < 0) {
//seems like the frame is corrupt, try with the next one
*data_size=0;
return buf_size;
}
//set AVCodec values with parsed data
avctx->sample_rate = s->sample_rate;
avctx->bit_rate = s->bit_rate;
for (i = 0; i < (s->sample_blocks / 8); i++) {
dca_decode_block(s, 0, i);
}
/* record number of core channels incase less than max channels are requested */
num_core_channels = s->prim_channels;
/* extensions start at 32-bit boundaries into bitstream */
skip_bits_long(&s->gb, (-get_bits_count(&s->gb)) & 31);
while(get_bits_left(&s->gb) >= 32) {
uint32_t bits = get_bits_long(&s->gb, 32);
switch(bits) {
case 0x5a5a5a5a: {
int ext_base_ch = s->prim_channels;
int ext_amode;
/* skip length-to-end-of-frame field for the moment */
skip_bits(&s->gb, 10);
/* extension amode should == 1, number of channels in extension */
/* AFAIK XCh is not used for more channels */
if ((ext_amode = get_bits(&s->gb, 4)) != 1) {
av_log(avctx, AV_LOG_ERROR, "XCh extension amode %d not"
" supported!\n",ext_amode);
continue;
}
/* much like core primary audio coding header */
dca_parse_audio_coding_header(s, ext_base_ch);
for (i = 0; i < (s->sample_blocks / 8); i++) {
dca_decode_block(s, ext_base_ch, i);
}
xch_present = 1;
break;
}
case 0x1d95f262:
av_log(avctx, AV_LOG_DEBUG, "Possible X96 extension found at %d bits\n", get_bits_count(&s->gb));
av_log(avctx, AV_LOG_DEBUG, "FSIZE96 = %d bytes\n", get_bits(&s->gb, 12)+1);
av_log(avctx, AV_LOG_DEBUG, "REVNO = %d\n", get_bits(&s->gb, 4));
break;
}
skip_bits_long(&s->gb, (-get_bits_count(&s->gb)) & 31);
}
channels = s->prim_channels + !!s->lfe;
if (s->amode<16) {
avctx->channel_layout = dca_core_channel_layout[s->amode];
if (xch_present && (!avctx->request_channels ||
avctx->request_channels > num_core_channels)) {
avctx->channel_layout |= CH_BACK_CENTER;
if (s->lfe) {
avctx->channel_layout |= CH_LOW_FREQUENCY;
s->channel_order_tab = dca_channel_reorder_lfe_xch[s->amode];
} else {
s->channel_order_tab = dca_channel_reorder_nolfe_xch[s->amode];
}
} else {
if (s->lfe) {
avctx->channel_layout |= CH_LOW_FREQUENCY;
s->channel_order_tab = dca_channel_reorder_lfe[s->amode];
} else
s->channel_order_tab = dca_channel_reorder_nolfe[s->amode];
}
if (s->prim_channels > 0 &&
s->channel_order_tab[s->prim_channels - 1] < 0)
return -1;
if (avctx->request_channels == 2 && s->prim_channels > 2) {
channels = 2;
s->output = DCA_STEREO;
avctx->channel_layout = CH_LAYOUT_STEREO;
}
} else {
av_log(avctx, AV_LOG_ERROR, "Non standard configuration %d !\n",s->amode);
return -1;
}
/* There is nothing that prevents a dts frame to change channel configuration
but FFmpeg doesn't support that so only set the channels if it is previously
unset. Ideally during the first probe for channels the crc should be checked
and only set avctx->channels when the crc is ok. Right now the decoder could
set the channels based on a broken first frame.*/
if (!avctx->channels)
avctx->channels = channels;
if (*data_size < (s->sample_blocks / 8) * 256 * sizeof(int16_t) * channels)
return -1;
*data_size = 256 / 8 * s->sample_blocks * sizeof(int16_t) * channels;
/* filter to get final output */
for (i = 0; i < (s->sample_blocks / 8); i++) {
dca_filter_channels(s, i);
s->dsp.float_to_int16_interleave(samples, s->samples_chanptr, 256, channels);
samples += 256 * channels;
}
/* update lfe history */
lfe_samples = 2 * s->lfe * (s->sample_blocks / 8);
for (i = 0; i < 2 * s->lfe * 4; i++) {
s->lfe_data[i] = s->lfe_data[i + lfe_samples];
}
return buf_size;
}
| 10,464 |
qemu | ff71f2e8cacefae99179993204172bc65e4303df | 1 | static int rtl8139_can_receive(VLANClientState *nc)
{
RTL8139State *s = DO_UPCAST(NICState, nc, nc)->opaque;
int avail;
/* Receive (drop) packets if card is disabled. */
if (!s->clock_enabled)
return 1;
if (!rtl8139_receiver_enabled(s))
return 1;
if (rtl8139_cp_receiver_enabled(s)) {
/* ??? Flow control not implemented in c+ mode.
This is a hack to work around slirp deficiencies anyway. */
return 1;
} else {
avail = MOD2(s->RxBufferSize + s->RxBufPtr - s->RxBufAddr,
s->RxBufferSize);
return (avail == 0 || avail >= 1514);
}
} | 10,465 |
qemu | 60fe637bf0e4d7989e21e50f52526444765c63b4 | 1 | unsigned int qemu_get_be16(QEMUFile *f)
{
unsigned int v;
v = qemu_get_byte(f) << 8;
v |= qemu_get_byte(f);
return v;
}
| 10,466 |
qemu | 0b8b8753e4d94901627b3e86431230f2319215c4 | 1 | void migration_fd_process_incoming(QEMUFile *f)
{
Coroutine *co = qemu_coroutine_create(process_incoming_migration_co);
migrate_decompress_threads_create();
qemu_file_set_blocking(f, false);
qemu_coroutine_enter(co, f);
}
| 10,467 |
FFmpeg | f6774f905fb3cfdc319523ac640be30b14c1bc55 | 1 | void ff_xvmc_decode_mb(MpegEncContext *s)
{
XvMCMacroBlock *mv_block;
struct xvmc_pix_fmt *render;
int i, cbp, blocks_per_mb;
const int mb_xy = s->mb_y * s->mb_stride + s->mb_x;
if (s->encoding) {
av_log(s->avctx, AV_LOG_ERROR, "XVMC doesn't support encoding!!!\n");
return;
}
// from MPV_decode_mb(), update DC predictors for P macroblocks
if (!s->mb_intra) {
s->last_dc[0] =
s->last_dc[1] =
s->last_dc[2] = 128 << s->intra_dc_precision;
}
// MC doesn't skip blocks
s->mb_skipped = 0;
// Do I need to export quant when I could not perform postprocessing?
// Anyway, it doesn't hurt.
s->current_picture.qscale_table[mb_xy] = s->qscale;
// start of XVMC-specific code
render = (struct xvmc_pix_fmt*)s->current_picture.f.data[2];
assert(render);
assert(render->xvmc_id == AV_XVMC_ID);
assert(render->mv_blocks);
// take the next free macroblock
mv_block = &render->mv_blocks[render->start_mv_blocks_num +
render->filled_mv_blocks_num];
mv_block->x = s->mb_x;
mv_block->y = s->mb_y;
mv_block->dct_type = s->interlaced_dct; // XVMC_DCT_TYPE_FRAME/FIELD;
if (s->mb_intra) {
mv_block->macroblock_type = XVMC_MB_TYPE_INTRA; // no MC, all done
} else {
mv_block->macroblock_type = XVMC_MB_TYPE_PATTERN;
if (s->mv_dir & MV_DIR_FORWARD) {
mv_block->macroblock_type |= XVMC_MB_TYPE_MOTION_FORWARD;
// PMV[n][dir][xy] = mv[dir][n][xy]
mv_block->PMV[0][0][0] = s->mv[0][0][0];
mv_block->PMV[0][0][1] = s->mv[0][0][1];
mv_block->PMV[1][0][0] = s->mv[0][1][0];
mv_block->PMV[1][0][1] = s->mv[0][1][1];
}
if (s->mv_dir & MV_DIR_BACKWARD) {
mv_block->macroblock_type |= XVMC_MB_TYPE_MOTION_BACKWARD;
mv_block->PMV[0][1][0] = s->mv[1][0][0];
mv_block->PMV[0][1][1] = s->mv[1][0][1];
mv_block->PMV[1][1][0] = s->mv[1][1][0];
mv_block->PMV[1][1][1] = s->mv[1][1][1];
}
switch(s->mv_type) {
case MV_TYPE_16X16:
mv_block->motion_type = XVMC_PREDICTION_FRAME;
break;
case MV_TYPE_16X8:
mv_block->motion_type = XVMC_PREDICTION_16x8;
break;
case MV_TYPE_FIELD:
mv_block->motion_type = XVMC_PREDICTION_FIELD;
if (s->picture_structure == PICT_FRAME) {
mv_block->PMV[0][0][1] <<= 1;
mv_block->PMV[1][0][1] <<= 1;
mv_block->PMV[0][1][1] <<= 1;
mv_block->PMV[1][1][1] <<= 1;
}
break;
case MV_TYPE_DMV:
mv_block->motion_type = XVMC_PREDICTION_DUAL_PRIME;
if (s->picture_structure == PICT_FRAME) {
mv_block->PMV[0][0][0] = s->mv[0][0][0]; // top from top
mv_block->PMV[0][0][1] = s->mv[0][0][1] << 1;
mv_block->PMV[0][1][0] = s->mv[0][0][0]; // bottom from bottom
mv_block->PMV[0][1][1] = s->mv[0][0][1] << 1;
mv_block->PMV[1][0][0] = s->mv[0][2][0]; // dmv00, top from bottom
mv_block->PMV[1][0][1] = s->mv[0][2][1] << 1; // dmv01
mv_block->PMV[1][1][0] = s->mv[0][3][0]; // dmv10, bottom from top
mv_block->PMV[1][1][1] = s->mv[0][3][1] << 1; // dmv11
} else {
mv_block->PMV[0][1][0] = s->mv[0][2][0]; // dmv00
mv_block->PMV[0][1][1] = s->mv[0][2][1]; // dmv01
}
break;
default:
assert(0);
}
mv_block->motion_vertical_field_select = 0;
// set correct field references
if (s->mv_type == MV_TYPE_FIELD || s->mv_type == MV_TYPE_16X8) {
mv_block->motion_vertical_field_select |= s->field_select[0][0];
mv_block->motion_vertical_field_select |= s->field_select[1][0] << 1;
mv_block->motion_vertical_field_select |= s->field_select[0][1] << 2;
mv_block->motion_vertical_field_select |= s->field_select[1][1] << 3;
}
} // !intra
// time to handle data blocks
mv_block->index = render->next_free_data_block_num;
blocks_per_mb = 6;
if (s->chroma_format >= 2) {
blocks_per_mb = 4 + (1 << s->chroma_format);
}
// calculate cbp
cbp = 0;
for (i = 0; i < blocks_per_mb; i++) {
cbp += cbp;
if (s->block_last_index[i] >= 0)
cbp++;
}
if (s->flags & CODEC_FLAG_GRAY) {
if (s->mb_intra) { // intra frames are always full chroma blocks
for (i = 4; i < blocks_per_mb; i++) {
memset(s->pblocks[i], 0, sizeof(*s->pblocks[i])); // so we need to clear them
if (!render->unsigned_intra)
*s->pblocks[i][0] = 1 << 10;
}
} else {
cbp &= 0xf << (blocks_per_mb - 4);
blocks_per_mb = 4; // luminance blocks only
}
}
mv_block->coded_block_pattern = cbp;
if (cbp == 0)
mv_block->macroblock_type &= ~XVMC_MB_TYPE_PATTERN;
for (i = 0; i < blocks_per_mb; i++) {
if (s->block_last_index[i] >= 0) {
// I do not have unsigned_intra MOCO to test, hope it is OK.
if (s->mb_intra && (render->idct || !render->unsigned_intra))
*s->pblocks[i][0] -= 1 << 10;
if (!render->idct) {
s->dsp.idct(*s->pblocks[i]);
/* It is unclear if MC hardware requires pixel diff values to be
* in the range [-255;255]. TODO: Clipping if such hardware is
* ever found. As of now it would only be an unnecessary
* slowdown. */
}
// copy blocks only if the codec doesn't support pblocks reordering
if (s->avctx->xvmc_acceleration == 1) {
memcpy(&render->data_blocks[render->next_free_data_block_num*64],
s->pblocks[i], sizeof(*s->pblocks[i]));
}
render->next_free_data_block_num++;
}
}
render->filled_mv_blocks_num++;
assert(render->filled_mv_blocks_num <= render->allocated_mv_blocks);
assert(render->next_free_data_block_num <= render->allocated_data_blocks);
/* The above conditions should not be able to fail as long as this function
* is used and the following 'if ()' automatically calls a callback to free
* blocks. */
if (render->filled_mv_blocks_num == render->allocated_mv_blocks)
ff_mpeg_draw_horiz_band(s, 0, 0);
}
| 10,468 |
FFmpeg | 7667afffb8dd54595ef2a959c385babd4c9c94cf | 0 | static inline int mpeg2_fast_decode_block_non_intra(MpegEncContext *s,
int16_t *block, int n)
{
int level, i, j, run;
RLTable *rl = &ff_rl_mpeg1;
uint8_t * const scantable = s->intra_scantable.permutated;
const int qscale = s->qscale;
OPEN_READER(re, &s->gb);
i = -1;
// special case for first coefficient, no need to add second VLC table
UPDATE_CACHE(re, &s->gb);
if (((int32_t)GET_CACHE(re, &s->gb)) < 0) {
level = (3 * qscale) >> 1;
if (GET_CACHE(re, &s->gb) & 0x40000000)
level = -level;
block[0] = level;
i++;
SKIP_BITS(re, &s->gb, 2);
if (((int32_t)GET_CACHE(re, &s->gb)) <= (int32_t)0xBFFFFFFF)
goto end;
}
/* now quantify & encode AC coefficients */
for (;;) {
GET_RL_VLC(level, run, re, &s->gb, rl->rl_vlc[0], TEX_VLC_BITS, 2, 0);
if (level != 0) {
i += run;
check_scantable_index(s, i);
j = scantable[i];
level = ((level * 2 + 1) * qscale) >> 1;
level = (level ^ SHOW_SBITS(re, &s->gb, 1)) - SHOW_SBITS(re, &s->gb, 1);
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;
check_scantable_index(s, i);
j = scantable[i];
if (level < 0) {
level = ((-level * 2 + 1) * qscale) >> 1;
level = -level;
} else {
level = ((level * 2 + 1) * qscale) >> 1;
}
}
block[j] = level;
if (((int32_t)GET_CACHE(re, &s->gb)) <= (int32_t)0xBFFFFFFF)
break;
UPDATE_CACHE(re, &s->gb);
}
end:
LAST_SKIP_BITS(re, &s->gb, 2);
CLOSE_READER(re, &s->gb);
s->block_last_index[n] = i;
return 0;
}
| 10,469 |
FFmpeg | b12e4d3bb8df994f042ff1216fb8de2b967aab9e | 0 | int ffio_close_null_buf(AVIOContext *s)
{
DynBuffer *d = s->opaque;
int size;
avio_flush(s);
size = d->size;
av_free(d);
av_free(s);
return size;
}
| 10,472 |
FFmpeg | e0c6cce44729d94e2a5507a4b6d031f23e8bd7b6 | 0 | static int initFilter(int16_t **outFilter, int32_t **filterPos,
int *outFilterSize, int xInc, int srcW, int dstW,
int filterAlign, int one, int flags, int cpu_flags,
SwsVector *srcFilter, SwsVector *dstFilter,
double param[2], int is_horizontal)
{
int i;
int filterSize;
int filter2Size;
int minFilterSize;
int64_t *filter = NULL;
int64_t *filter2 = NULL;
const int64_t fone = 1LL << 54;
int ret = -1;
emms_c(); // FIXME should not be required but IS (even for non-MMX versions)
// NOTE: the +3 is for the MMX(+1) / SSE(+3) scaler which reads over the end
FF_ALLOC_OR_GOTO(NULL, *filterPos, (dstW + 3) * sizeof(**filterPos), fail);
if (FFABS(xInc - 0x10000) < 10) { // unscaled
int i;
filterSize = 1;
FF_ALLOCZ_OR_GOTO(NULL, filter,
dstW * sizeof(*filter) * filterSize, fail);
for (i = 0; i < dstW; i++) {
filter[i * filterSize] = fone;
(*filterPos)[i] = i;
}
} else if (flags & SWS_POINT) { // lame looking point sampling mode
int i;
int xDstInSrc;
filterSize = 1;
FF_ALLOC_OR_GOTO(NULL, filter,
dstW * sizeof(*filter) * filterSize, fail);
xDstInSrc = xInc / 2 - 0x8000;
for (i = 0; i < dstW; i++) {
int xx = (xDstInSrc - ((filterSize - 1) << 15) + (1 << 15)) >> 16;
(*filterPos)[i] = xx;
filter[i] = fone;
xDstInSrc += xInc;
}
} else if ((xInc <= (1 << 16) && (flags & SWS_AREA)) ||
(flags & SWS_FAST_BILINEAR)) { // bilinear upscale
int i;
int xDstInSrc;
filterSize = 2;
FF_ALLOC_OR_GOTO(NULL, filter,
dstW * sizeof(*filter) * filterSize, fail);
xDstInSrc = xInc / 2 - 0x8000;
for (i = 0; i < dstW; i++) {
int xx = (xDstInSrc - ((filterSize - 1) << 15) + (1 << 15)) >> 16;
int j;
(*filterPos)[i] = xx;
// bilinear upscale / linear interpolate / area averaging
for (j = 0; j < filterSize; j++) {
int64_t coeff = fone - FFABS((xx << 16) - xDstInSrc) *
(fone >> 16);
if (coeff < 0)
coeff = 0;
filter[i * filterSize + j] = coeff;
xx++;
}
xDstInSrc += xInc;
}
} else {
int64_t xDstInSrc;
int sizeFactor;
if (flags & SWS_BICUBIC)
sizeFactor = 4;
else if (flags & SWS_X)
sizeFactor = 8;
else if (flags & SWS_AREA)
sizeFactor = 1; // downscale only, for upscale it is bilinear
else if (flags & SWS_GAUSS)
sizeFactor = 8; // infinite ;)
else if (flags & SWS_LANCZOS)
sizeFactor = param[0] != SWS_PARAM_DEFAULT ? ceil(2 * param[0]) : 6;
else if (flags & SWS_SINC)
sizeFactor = 20; // infinite ;)
else if (flags & SWS_SPLINE)
sizeFactor = 20; // infinite ;)
else if (flags & SWS_BILINEAR)
sizeFactor = 2;
else {
sizeFactor = 0; // GCC warning killer
assert(0);
}
if (xInc <= 1 << 16)
filterSize = 1 + sizeFactor; // upscale
else
filterSize = 1 + (sizeFactor * srcW + dstW - 1) / dstW;
filterSize = FFMIN(filterSize, srcW - 2);
filterSize = FFMAX(filterSize, 1);
FF_ALLOC_OR_GOTO(NULL, filter,
dstW * sizeof(*filter) * filterSize, fail);
xDstInSrc = xInc - 0x10000;
for (i = 0; i < dstW; i++) {
int xx = (xDstInSrc - ((filterSize - 2) << 16)) / (1 << 17);
int j;
(*filterPos)[i] = xx;
for (j = 0; j < filterSize; j++) {
int64_t d = (FFABS(((int64_t)xx << 17) - xDstInSrc)) << 13;
double floatd;
int64_t coeff;
if (xInc > 1 << 16)
d = d * dstW / srcW;
floatd = d * (1.0 / (1 << 30));
if (flags & SWS_BICUBIC) {
int64_t B = (param[0] != SWS_PARAM_DEFAULT ? param[0] : 0) * (1 << 24);
int64_t C = (param[1] != SWS_PARAM_DEFAULT ? param[1] : 0.6) * (1 << 24);
if (d >= 1LL << 31) {
coeff = 0.0;
} else {
int64_t dd = (d * d) >> 30;
int64_t ddd = (dd * d) >> 30;
if (d < 1LL << 30)
coeff = (12 * (1 << 24) - 9 * B - 6 * C) * ddd +
(-18 * (1 << 24) + 12 * B + 6 * C) * dd +
(6 * (1 << 24) - 2 * B) * (1 << 30);
else
coeff = (-B - 6 * C) * ddd +
(6 * B + 30 * C) * dd +
(-12 * B - 48 * C) * d +
(8 * B + 24 * C) * (1 << 30);
}
coeff *= fone >> (30 + 24);
}
#if 0
else if (flags & SWS_X) {
double p = param ? param * 0.01 : 0.3;
coeff = d ? sin(d * M_PI) / (d * M_PI) : 1.0;
coeff *= pow(2.0, -p * d * d);
}
#endif
else if (flags & SWS_X) {
double A = param[0] != SWS_PARAM_DEFAULT ? param[0] : 1.0;
double c;
if (floatd < 1.0)
c = cos(floatd * M_PI);
else
c = -1.0;
if (c < 0.0)
c = -pow(-c, A);
else
c = pow(c, A);
coeff = (c * 0.5 + 0.5) * fone;
} else if (flags & SWS_AREA) {
int64_t d2 = d - (1 << 29);
if (d2 * xInc < -(1LL << (29 + 16)))
coeff = 1.0 * (1LL << (30 + 16));
else if (d2 * xInc < (1LL << (29 + 16)))
coeff = -d2 * xInc + (1LL << (29 + 16));
else
coeff = 0.0;
coeff *= fone >> (30 + 16);
} else if (flags & SWS_GAUSS) {
double p = param[0] != SWS_PARAM_DEFAULT ? param[0] : 3.0;
coeff = (pow(2.0, -p * floatd * floatd)) * fone;
} else if (flags & SWS_SINC) {
coeff = (d ? sin(floatd * M_PI) / (floatd * M_PI) : 1.0) * fone;
} else if (flags & SWS_LANCZOS) {
double p = param[0] != SWS_PARAM_DEFAULT ? param[0] : 3.0;
coeff = (d ? sin(floatd * M_PI) * sin(floatd * M_PI / p) /
(floatd * floatd * M_PI * M_PI / p) : 1.0) * fone;
if (floatd > p)
coeff = 0;
} else if (flags & SWS_BILINEAR) {
coeff = (1 << 30) - d;
if (coeff < 0)
coeff = 0;
coeff *= fone >> 30;
} else if (flags & SWS_SPLINE) {
double p = -2.196152422706632;
coeff = getSplineCoeff(1.0, 0.0, p, -p - 1.0, floatd) * fone;
} else {
coeff = 0.0; // GCC warning killer
assert(0);
}
filter[i * filterSize + j] = coeff;
xx++;
}
xDstInSrc += 2 * xInc;
}
}
/* apply src & dst Filter to filter -> filter2
* av_free(filter);
*/
assert(filterSize > 0);
filter2Size = filterSize;
if (srcFilter)
filter2Size += srcFilter->length - 1;
if (dstFilter)
filter2Size += dstFilter->length - 1;
assert(filter2Size > 0);
FF_ALLOCZ_OR_GOTO(NULL, filter2, filter2Size * dstW * sizeof(*filter2), fail);
for (i = 0; i < dstW; i++) {
int j, k;
if (srcFilter) {
for (k = 0; k < srcFilter->length; k++) {
for (j = 0; j < filterSize; j++)
filter2[i * filter2Size + k + j] +=
srcFilter->coeff[k] * filter[i * filterSize + j];
}
} else {
for (j = 0; j < filterSize; j++)
filter2[i * filter2Size + j] = filter[i * filterSize + j];
}
// FIXME dstFilter
(*filterPos)[i] += (filterSize - 1) / 2 - (filter2Size - 1) / 2;
}
av_freep(&filter);
/* try to reduce the filter-size (step1 find size and shift left) */
// Assume it is near normalized (*0.5 or *2.0 is OK but * 0.001 is not).
minFilterSize = 0;
for (i = dstW - 1; i >= 0; i--) {
int min = filter2Size;
int j;
int64_t cutOff = 0.0;
/* get rid of near zero elements on the left by shifting left */
for (j = 0; j < filter2Size; j++) {
int k;
cutOff += FFABS(filter2[i * filter2Size]);
if (cutOff > SWS_MAX_REDUCE_CUTOFF * fone)
break;
/* preserve monotonicity because the core can't handle the
* filter otherwise */
if (i < dstW - 1 && (*filterPos)[i] >= (*filterPos)[i + 1])
break;
// move filter coefficients left
for (k = 1; k < filter2Size; k++)
filter2[i * filter2Size + k - 1] = filter2[i * filter2Size + k];
filter2[i * filter2Size + k - 1] = 0;
(*filterPos)[i]++;
}
cutOff = 0;
/* count near zeros on the right */
for (j = filter2Size - 1; j > 0; j--) {
cutOff += FFABS(filter2[i * filter2Size + j]);
if (cutOff > SWS_MAX_REDUCE_CUTOFF * fone)
break;
min--;
}
if (min > minFilterSize)
minFilterSize = min;
}
if (HAVE_ALTIVEC && cpu_flags & AV_CPU_FLAG_ALTIVEC) {
// we can handle the special case 4, so we don't want to go the full 8
if (minFilterSize < 5)
filterAlign = 4;
/* We really don't want to waste our time doing useless computation, so
* fall back on the scalar C code for very small filters.
* Vectorizing is worth it only if you have a decent-sized vector. */
if (minFilterSize < 3)
filterAlign = 1;
}
if (HAVE_MMX && cpu_flags & AV_CPU_FLAG_MMX) {
// special case for unscaled vertical filtering
if (minFilterSize == 1 && filterAlign == 2)
filterAlign = 1;
}
assert(minFilterSize > 0);
filterSize = (minFilterSize + (filterAlign - 1)) & (~(filterAlign - 1));
assert(filterSize > 0);
filter = av_malloc(filterSize * dstW * sizeof(*filter));
if (filterSize >= MAX_FILTER_SIZE * 16 /
((flags & SWS_ACCURATE_RND) ? APCK_SIZE : 16) || !filter)
goto fail;
*outFilterSize = filterSize;
if (flags & SWS_PRINT_INFO)
av_log(NULL, AV_LOG_VERBOSE,
"SwScaler: reducing / aligning filtersize %d -> %d\n",
filter2Size, filterSize);
/* try to reduce the filter-size (step2 reduce it) */
for (i = 0; i < dstW; i++) {
int j;
for (j = 0; j < filterSize; j++) {
if (j >= filter2Size)
filter[i * filterSize + j] = 0;
else
filter[i * filterSize + j] = filter2[i * filter2Size + j];
if ((flags & SWS_BITEXACT) && j >= minFilterSize)
filter[i * filterSize + j] = 0;
}
}
// FIXME try to align filterPos if possible
// fix borders
if (is_horizontal) {
for (i = 0; i < dstW; i++) {
int j;
if ((*filterPos)[i] < 0) {
// move filter coefficients left to compensate for filterPos
for (j = 1; j < filterSize; j++) {
int left = FFMAX(j + (*filterPos)[i], 0);
filter[i * filterSize + left] += filter[i * filterSize + j];
filter[i * filterSize + j] = 0;
}
(*filterPos)[i] = 0;
}
if ((*filterPos)[i] + filterSize > srcW) {
int shift = (*filterPos)[i] + filterSize - srcW;
// move filter coefficients right to compensate for filterPos
for (j = filterSize - 2; j >= 0; j--) {
int right = FFMIN(j + shift, filterSize - 1);
filter[i * filterSize + right] += filter[i * filterSize + j];
filter[i * filterSize + j] = 0;
}
(*filterPos)[i] = srcW - filterSize;
}
}
}
// Note the +1 is for the MMX scaler which reads over the end
/* align at 16 for AltiVec (needed by hScale_altivec_real) */
FF_ALLOCZ_OR_GOTO(NULL, *outFilter,
*outFilterSize * (dstW + 3) * sizeof(int16_t), fail);
/* normalize & store in outFilter */
for (i = 0; i < dstW; i++) {
int j;
int64_t error = 0;
int64_t sum = 0;
for (j = 0; j < filterSize; j++) {
sum += filter[i * filterSize + j];
}
sum = (sum + one / 2) / one;
for (j = 0; j < *outFilterSize; j++) {
int64_t v = filter[i * filterSize + j] + error;
int intV = ROUNDED_DIV(v, sum);
(*outFilter)[i * (*outFilterSize) + j] = intV;
error = v - intV * sum;
}
}
(*filterPos)[dstW + 0] =
(*filterPos)[dstW + 1] =
(*filterPos)[dstW + 2] = (*filterPos)[dstW - 1]; /* the MMX/SSE scaler will
* read over the end */
for (i = 0; i < *outFilterSize; i++) {
int k = (dstW - 1) * (*outFilterSize) + i;
(*outFilter)[k + 1 * (*outFilterSize)] =
(*outFilter)[k + 2 * (*outFilterSize)] =
(*outFilter)[k + 3 * (*outFilterSize)] = (*outFilter)[k];
}
ret = 0;
fail:
av_free(filter);
av_free(filter2);
return ret;
}
| 10,473 |
FFmpeg | 623d217ed1ba168355b1887ef9ca02402b40eead | 0 | static void stereo_processing(PSContext *ps, INTFLOAT (*l)[32][2], INTFLOAT (*r)[32][2], int is34)
{
int e, b, k;
INTFLOAT (*H11)[PS_MAX_NUM_ENV+1][PS_MAX_NR_IIDICC] = ps->H11;
INTFLOAT (*H12)[PS_MAX_NUM_ENV+1][PS_MAX_NR_IIDICC] = ps->H12;
INTFLOAT (*H21)[PS_MAX_NUM_ENV+1][PS_MAX_NR_IIDICC] = ps->H21;
INTFLOAT (*H22)[PS_MAX_NUM_ENV+1][PS_MAX_NR_IIDICC] = ps->H22;
int8_t *opd_hist = ps->opd_hist;
int8_t *ipd_hist = ps->ipd_hist;
int8_t iid_mapped_buf[PS_MAX_NUM_ENV][PS_MAX_NR_IIDICC];
int8_t icc_mapped_buf[PS_MAX_NUM_ENV][PS_MAX_NR_IIDICC];
int8_t ipd_mapped_buf[PS_MAX_NUM_ENV][PS_MAX_NR_IIDICC];
int8_t opd_mapped_buf[PS_MAX_NUM_ENV][PS_MAX_NR_IIDICC];
int8_t (*iid_mapped)[PS_MAX_NR_IIDICC] = iid_mapped_buf;
int8_t (*icc_mapped)[PS_MAX_NR_IIDICC] = icc_mapped_buf;
int8_t (*ipd_mapped)[PS_MAX_NR_IIDICC] = ipd_mapped_buf;
int8_t (*opd_mapped)[PS_MAX_NR_IIDICC] = opd_mapped_buf;
const int8_t *k_to_i = is34 ? k_to_i_34 : k_to_i_20;
TABLE_CONST INTFLOAT (*H_LUT)[8][4] = (PS_BASELINE || ps->icc_mode < 3) ? HA : HB;
//Remapping
if (ps->num_env_old) {
memcpy(H11[0][0], H11[0][ps->num_env_old], PS_MAX_NR_IIDICC*sizeof(H11[0][0][0]));
memcpy(H11[1][0], H11[1][ps->num_env_old], PS_MAX_NR_IIDICC*sizeof(H11[1][0][0]));
memcpy(H12[0][0], H12[0][ps->num_env_old], PS_MAX_NR_IIDICC*sizeof(H12[0][0][0]));
memcpy(H12[1][0], H12[1][ps->num_env_old], PS_MAX_NR_IIDICC*sizeof(H12[1][0][0]));
memcpy(H21[0][0], H21[0][ps->num_env_old], PS_MAX_NR_IIDICC*sizeof(H21[0][0][0]));
memcpy(H21[1][0], H21[1][ps->num_env_old], PS_MAX_NR_IIDICC*sizeof(H21[1][0][0]));
memcpy(H22[0][0], H22[0][ps->num_env_old], PS_MAX_NR_IIDICC*sizeof(H22[0][0][0]));
memcpy(H22[1][0], H22[1][ps->num_env_old], PS_MAX_NR_IIDICC*sizeof(H22[1][0][0]));
}
if (is34) {
remap34(&iid_mapped, ps->iid_par, ps->nr_iid_par, ps->num_env, 1);
remap34(&icc_mapped, ps->icc_par, ps->nr_icc_par, ps->num_env, 1);
if (ps->enable_ipdopd) {
remap34(&ipd_mapped, ps->ipd_par, ps->nr_ipdopd_par, ps->num_env, 0);
remap34(&opd_mapped, ps->opd_par, ps->nr_ipdopd_par, ps->num_env, 0);
}
if (!ps->is34bands_old) {
map_val_20_to_34(H11[0][0]);
map_val_20_to_34(H11[1][0]);
map_val_20_to_34(H12[0][0]);
map_val_20_to_34(H12[1][0]);
map_val_20_to_34(H21[0][0]);
map_val_20_to_34(H21[1][0]);
map_val_20_to_34(H22[0][0]);
map_val_20_to_34(H22[1][0]);
ipdopd_reset(ipd_hist, opd_hist);
}
} else {
remap20(&iid_mapped, ps->iid_par, ps->nr_iid_par, ps->num_env, 1);
remap20(&icc_mapped, ps->icc_par, ps->nr_icc_par, ps->num_env, 1);
if (ps->enable_ipdopd) {
remap20(&ipd_mapped, ps->ipd_par, ps->nr_ipdopd_par, ps->num_env, 0);
remap20(&opd_mapped, ps->opd_par, ps->nr_ipdopd_par, ps->num_env, 0);
}
if (ps->is34bands_old) {
map_val_34_to_20(H11[0][0]);
map_val_34_to_20(H11[1][0]);
map_val_34_to_20(H12[0][0]);
map_val_34_to_20(H12[1][0]);
map_val_34_to_20(H21[0][0]);
map_val_34_to_20(H21[1][0]);
map_val_34_to_20(H22[0][0]);
map_val_34_to_20(H22[1][0]);
ipdopd_reset(ipd_hist, opd_hist);
}
}
//Mixing
for (e = 0; e < ps->num_env; e++) {
for (b = 0; b < NR_PAR_BANDS[is34]; b++) {
INTFLOAT h11, h12, h21, h22;
h11 = H_LUT[iid_mapped[e][b] + 7 + 23 * ps->iid_quant][icc_mapped[e][b]][0];
h12 = H_LUT[iid_mapped[e][b] + 7 + 23 * ps->iid_quant][icc_mapped[e][b]][1];
h21 = H_LUT[iid_mapped[e][b] + 7 + 23 * ps->iid_quant][icc_mapped[e][b]][2];
h22 = H_LUT[iid_mapped[e][b] + 7 + 23 * ps->iid_quant][icc_mapped[e][b]][3];
if (!PS_BASELINE && ps->enable_ipdopd && b < NR_IPDOPD_BANDS[is34]) {
//The spec say says to only run this smoother when enable_ipdopd
//is set but the reference decoder appears to run it constantly
INTFLOAT h11i, h12i, h21i, h22i;
INTFLOAT ipd_adj_re, ipd_adj_im;
int opd_idx = opd_hist[b] * 8 + opd_mapped[e][b];
int ipd_idx = ipd_hist[b] * 8 + ipd_mapped[e][b];
INTFLOAT opd_re = pd_re_smooth[opd_idx];
INTFLOAT opd_im = pd_im_smooth[opd_idx];
INTFLOAT ipd_re = pd_re_smooth[ipd_idx];
INTFLOAT ipd_im = pd_im_smooth[ipd_idx];
opd_hist[b] = opd_idx & 0x3F;
ipd_hist[b] = ipd_idx & 0x3F;
ipd_adj_re = AAC_MADD30(opd_re, ipd_re, opd_im, ipd_im);
ipd_adj_im = AAC_MSUB30(opd_im, ipd_re, opd_re, ipd_im);
h11i = AAC_MUL30(h11, opd_im);
h11 = AAC_MUL30(h11, opd_re);
h12i = AAC_MUL30(h12, ipd_adj_im);
h12 = AAC_MUL30(h12, ipd_adj_re);
h21i = AAC_MUL30(h21, opd_im);
h21 = AAC_MUL30(h21, opd_re);
h22i = AAC_MUL30(h22, ipd_adj_im);
h22 = AAC_MUL30(h22, ipd_adj_re);
H11[1][e+1][b] = h11i;
H12[1][e+1][b] = h12i;
H21[1][e+1][b] = h21i;
H22[1][e+1][b] = h22i;
}
H11[0][e+1][b] = h11;
H12[0][e+1][b] = h12;
H21[0][e+1][b] = h21;
H22[0][e+1][b] = h22;
}
for (k = 0; k < NR_BANDS[is34]; k++) {
LOCAL_ALIGNED_16(INTFLOAT, h, [2], [4]);
LOCAL_ALIGNED_16(INTFLOAT, h_step, [2], [4]);
int start = ps->border_position[e];
int stop = ps->border_position[e+1];
INTFLOAT width = Q30(1.f) / ((stop - start) ? (stop - start) : 1);
#if USE_FIXED
width = FFMIN(2U*width, INT_MAX);
#endif
b = k_to_i[k];
h[0][0] = H11[0][e][b];
h[0][1] = H12[0][e][b];
h[0][2] = H21[0][e][b];
h[0][3] = H22[0][e][b];
if (!PS_BASELINE && ps->enable_ipdopd) {
//Is this necessary? ps_04_new seems unchanged
if ((is34 && k <= 13 && k >= 9) || (!is34 && k <= 1)) {
h[1][0] = -H11[1][e][b];
h[1][1] = -H12[1][e][b];
h[1][2] = -H21[1][e][b];
h[1][3] = -H22[1][e][b];
} else {
h[1][0] = H11[1][e][b];
h[1][1] = H12[1][e][b];
h[1][2] = H21[1][e][b];
h[1][3] = H22[1][e][b];
}
}
//Interpolation
h_step[0][0] = AAC_MSUB31_V3(H11[0][e+1][b], h[0][0], width);
h_step[0][1] = AAC_MSUB31_V3(H12[0][e+1][b], h[0][1], width);
h_step[0][2] = AAC_MSUB31_V3(H21[0][e+1][b], h[0][2], width);
h_step[0][3] = AAC_MSUB31_V3(H22[0][e+1][b], h[0][3], width);
if (!PS_BASELINE && ps->enable_ipdopd) {
h_step[1][0] = AAC_MSUB31_V3(H11[1][e+1][b], h[1][0], width);
h_step[1][1] = AAC_MSUB31_V3(H12[1][e+1][b], h[1][1], width);
h_step[1][2] = AAC_MSUB31_V3(H21[1][e+1][b], h[1][2], width);
h_step[1][3] = AAC_MSUB31_V3(H22[1][e+1][b], h[1][3], width);
}
ps->dsp.stereo_interpolate[!PS_BASELINE && ps->enable_ipdopd](
l[k] + 1 + start, r[k] + 1 + start,
h, h_step, stop - start);
}
}
}
| 10,474 |
qemu | a5b8dd2ce83208cd7d6eb4562339ecf5aae13574 | 0 | int coroutine_fn bdrv_co_preadv(BlockDriverState *bs,
int64_t offset, unsigned int bytes, QEMUIOVector *qiov,
BdrvRequestFlags flags)
{
BlockDriver *drv = bs->drv;
BdrvTrackedRequest req;
uint64_t align = bs->request_alignment;
uint8_t *head_buf = NULL;
uint8_t *tail_buf = NULL;
QEMUIOVector local_qiov;
bool use_local_qiov = false;
int ret;
if (!drv) {
return -ENOMEDIUM;
}
ret = bdrv_check_byte_request(bs, offset, bytes);
if (ret < 0) {
return ret;
}
/* Don't do copy-on-read if we read data before write operation */
if (bs->copy_on_read && !(flags & BDRV_REQ_NO_SERIALISING)) {
flags |= BDRV_REQ_COPY_ON_READ;
}
/* Align read if necessary by padding qiov */
if (offset & (align - 1)) {
head_buf = qemu_blockalign(bs, align);
qemu_iovec_init(&local_qiov, qiov->niov + 2);
qemu_iovec_add(&local_qiov, head_buf, offset & (align - 1));
qemu_iovec_concat(&local_qiov, qiov, 0, qiov->size);
use_local_qiov = true;
bytes += offset & (align - 1);
offset = offset & ~(align - 1);
}
if ((offset + bytes) & (align - 1)) {
if (!use_local_qiov) {
qemu_iovec_init(&local_qiov, qiov->niov + 1);
qemu_iovec_concat(&local_qiov, qiov, 0, qiov->size);
use_local_qiov = true;
}
tail_buf = qemu_blockalign(bs, align);
qemu_iovec_add(&local_qiov, tail_buf,
align - ((offset + bytes) & (align - 1)));
bytes = ROUND_UP(bytes, align);
}
tracked_request_begin(&req, bs, offset, bytes, BDRV_TRACKED_READ);
ret = bdrv_aligned_preadv(bs, &req, offset, bytes, align,
use_local_qiov ? &local_qiov : qiov,
flags);
tracked_request_end(&req);
if (use_local_qiov) {
qemu_iovec_destroy(&local_qiov);
qemu_vfree(head_buf);
qemu_vfree(tail_buf);
}
return ret;
}
| 10,475 |
qemu | 46746dbaa8c2c421b9bda78193caad57d7fb1136 | 0 | static void vfio_add_kvm_msi_virq(VFIOMSIVector *vector, MSIMessage *msg,
bool msix)
{
int virq;
if ((msix && !VFIO_ALLOW_KVM_MSIX) ||
(!msix && !VFIO_ALLOW_KVM_MSI) || !msg) {
return;
}
if (event_notifier_init(&vector->kvm_interrupt, 0)) {
return;
}
virq = kvm_irqchip_add_msi_route(kvm_state, *msg);
if (virq < 0) {
event_notifier_cleanup(&vector->kvm_interrupt);
return;
}
if (kvm_irqchip_add_irqfd_notifier_gsi(kvm_state, &vector->kvm_interrupt,
NULL, virq) < 0) {
kvm_irqchip_release_virq(kvm_state, virq);
event_notifier_cleanup(&vector->kvm_interrupt);
return;
}
vector->virq = virq;
}
| 10,476 |
qemu | 4678124bb9bfb49e93b83f95c4d2feeb443ea38b | 0 | void bios_linker_loader_add_pointer(BIOSLinker *linker,
const char *dest_file,
const char *src_file,
void *pointer,
uint8_t pointer_size)
{
BiosLinkerLoaderEntry entry;
const BiosLinkerFileEntry *file = bios_linker_find_file(linker, dest_file);
ptrdiff_t offset = (gchar *)pointer - file->blob->data;
assert(offset >= 0);
assert(offset + pointer_size <= file->blob->len);
memset(&entry, 0, sizeof entry);
strncpy(entry.pointer.dest_file, dest_file,
sizeof entry.pointer.dest_file - 1);
strncpy(entry.pointer.src_file, src_file,
sizeof entry.pointer.src_file - 1);
entry.command = cpu_to_le32(BIOS_LINKER_LOADER_COMMAND_ADD_POINTER);
entry.pointer.offset = cpu_to_le32(offset);
entry.pointer.size = pointer_size;
assert(pointer_size == 1 || pointer_size == 2 ||
pointer_size == 4 || pointer_size == 8);
g_array_append_vals(linker->cmd_blob, &entry, sizeof entry);
}
| 10,477 |
FFmpeg | 13a099799e89a76eb921ca452e1b04a7a28a9855 | 0 | yuv2yuvX_altivec_real(SwsContext *c,
const int16_t *lumFilter, const int16_t **lumSrc,
int lumFilterSize, const int16_t *chrFilter,
const int16_t **chrUSrc, const int16_t **chrVSrc,
int chrFilterSize, const int16_t **alpSrc,
uint8_t *dest, uint8_t *uDest,
uint8_t *vDest, uint8_t *aDest,
int dstW, int chrDstW)
{
const vector signed int vini = {(1 << 18), (1 << 18), (1 << 18), (1 << 18)};
register int i, j;
{
DECLARE_ALIGNED(16, int, val)[dstW];
for (i = 0; i < (dstW -7); i+=4) {
vec_st(vini, i << 2, val);
}
for (; i < dstW; i++) {
val[i] = (1 << 18);
}
for (j = 0; j < lumFilterSize; j++) {
vector signed short l1, vLumFilter = vec_ld(j << 1, lumFilter);
vector unsigned char perm, perm0 = vec_lvsl(j << 1, lumFilter);
vLumFilter = vec_perm(vLumFilter, vLumFilter, perm0);
vLumFilter = vec_splat(vLumFilter, 0); // lumFilter[j] is loaded 8 times in vLumFilter
perm = vec_lvsl(0, lumSrc[j]);
l1 = vec_ld(0, lumSrc[j]);
for (i = 0; i < (dstW - 7); i+=8) {
int offset = i << 2;
vector signed short l2 = vec_ld((i << 1) + 16, lumSrc[j]);
vector signed int v1 = vec_ld(offset, val);
vector signed int v2 = vec_ld(offset + 16, val);
vector signed short ls = vec_perm(l1, l2, perm); // lumSrc[j][i] ... lumSrc[j][i+7]
vector signed int i1 = vec_mule(vLumFilter, ls);
vector signed int i2 = vec_mulo(vLumFilter, ls);
vector signed int vf1 = vec_mergeh(i1, i2);
vector signed int vf2 = vec_mergel(i1, i2); // lumSrc[j][i] * lumFilter[j] ... lumSrc[j][i+7] * lumFilter[j]
vector signed int vo1 = vec_add(v1, vf1);
vector signed int vo2 = vec_add(v2, vf2);
vec_st(vo1, offset, val);
vec_st(vo2, offset + 16, val);
l1 = l2;
}
for ( ; i < dstW; i++) {
val[i] += lumSrc[j][i] * lumFilter[j];
}
}
altivec_packIntArrayToCharArray(val, dest, dstW);
}
if (uDest != 0) {
DECLARE_ALIGNED(16, int, u)[chrDstW];
DECLARE_ALIGNED(16, int, v)[chrDstW];
for (i = 0; i < (chrDstW -7); i+=4) {
vec_st(vini, i << 2, u);
vec_st(vini, i << 2, v);
}
for (; i < chrDstW; i++) {
u[i] = (1 << 18);
v[i] = (1 << 18);
}
for (j = 0; j < chrFilterSize; j++) {
vector signed short l1, l1_V, vChrFilter = vec_ld(j << 1, chrFilter);
vector unsigned char perm, perm0 = vec_lvsl(j << 1, chrFilter);
vChrFilter = vec_perm(vChrFilter, vChrFilter, perm0);
vChrFilter = vec_splat(vChrFilter, 0); // chrFilter[j] is loaded 8 times in vChrFilter
perm = vec_lvsl(0, chrUSrc[j]);
l1 = vec_ld(0, chrUSrc[j]);
l1_V = vec_ld(0, chrVSrc[j]);
for (i = 0; i < (chrDstW - 7); i+=8) {
int offset = i << 2;
vector signed short l2 = vec_ld((i << 1) + 16, chrUSrc[j]);
vector signed short l2_V = vec_ld((i << 1) + 16, chrVSrc[j]);
vector signed int v1 = vec_ld(offset, u);
vector signed int v2 = vec_ld(offset + 16, u);
vector signed int v1_V = vec_ld(offset, v);
vector signed int v2_V = vec_ld(offset + 16, v);
vector signed short ls = vec_perm(l1, l2, perm); // chrUSrc[j][i] ... chrUSrc[j][i+7]
vector signed short ls_V = vec_perm(l1_V, l2_V, perm); // chrVSrc[j][i] ... chrVSrc[j][i]
vector signed int i1 = vec_mule(vChrFilter, ls);
vector signed int i2 = vec_mulo(vChrFilter, ls);
vector signed int i1_V = vec_mule(vChrFilter, ls_V);
vector signed int i2_V = vec_mulo(vChrFilter, ls_V);
vector signed int vf1 = vec_mergeh(i1, i2);
vector signed int vf2 = vec_mergel(i1, i2); // chrUSrc[j][i] * chrFilter[j] ... chrUSrc[j][i+7] * chrFilter[j]
vector signed int vf1_V = vec_mergeh(i1_V, i2_V);
vector signed int vf2_V = vec_mergel(i1_V, i2_V); // chrVSrc[j][i] * chrFilter[j] ... chrVSrc[j][i+7] * chrFilter[j]
vector signed int vo1 = vec_add(v1, vf1);
vector signed int vo2 = vec_add(v2, vf2);
vector signed int vo1_V = vec_add(v1_V, vf1_V);
vector signed int vo2_V = vec_add(v2_V, vf2_V);
vec_st(vo1, offset, u);
vec_st(vo2, offset + 16, u);
vec_st(vo1_V, offset, v);
vec_st(vo2_V, offset + 16, v);
l1 = l2;
l1_V = l2_V;
}
for ( ; i < chrDstW; i++) {
u[i] += chrUSrc[j][i] * chrFilter[j];
v[i] += chrVSrc[j][i] * chrFilter[j];
}
}
altivec_packIntArrayToCharArray(u, uDest, chrDstW);
altivec_packIntArrayToCharArray(v, vDest, chrDstW);
}
}
| 10,479 |
qemu | 1ea879e5580f63414693655fcf0328559cdce138 | 0 | static int fmod_init_out (HWVoiceOut *hw, audsettings_t *as)
{
int bits16, mode, channel;
FMODVoiceOut *fmd = (FMODVoiceOut *) hw;
audsettings_t obt_as = *as;
mode = aud_to_fmodfmt (as->fmt, as->nchannels == 2 ? 1 : 0);
fmd->fmod_sample = FSOUND_Sample_Alloc (
FSOUND_FREE, /* index */
conf.nb_samples, /* length */
mode, /* mode */
as->freq, /* freq */
255, /* volume */
128, /* pan */
255 /* priority */
);
if (!fmd->fmod_sample) {
fmod_logerr2 ("DAC", "Failed to allocate FMOD sample\n");
return -1;
}
channel = FSOUND_PlaySoundEx (FSOUND_FREE, fmd->fmod_sample, 0, 1);
if (channel < 0) {
fmod_logerr2 ("DAC", "Failed to start playing sound\n");
FSOUND_Sample_Free (fmd->fmod_sample);
return -1;
}
fmd->channel = channel;
/* FMOD always operates on little endian frames? */
obt_as.endianness = 0;
audio_pcm_init_info (&hw->info, &obt_as);
bits16 = (mode & FSOUND_16BITS) != 0;
hw->samples = conf.nb_samples;
return 0;
}
| 10,481 |
qemu | f1f57066573e832438cd87600310589fa9cee202 | 0 | void blk_dev_change_media_cb(BlockBackend *blk, bool load)
{
if (blk->dev_ops && blk->dev_ops->change_media_cb) {
bool tray_was_closed = !blk_dev_is_tray_open(blk);
blk->dev_ops->change_media_cb(blk->dev_opaque, load);
if (tray_was_closed) {
/* tray open */
qapi_event_send_device_tray_moved(blk_name(blk),
true, &error_abort);
}
if (load) {
/* tray close */
qapi_event_send_device_tray_moved(blk_name(blk),
false, &error_abort);
}
}
}
| 10,482 |
qemu | 904d6f588063fb5ad2b61998acdf1e73fb465067 | 0 | static void chr_read(void *opaque, const void *buf, size_t size)
{
VirtIORNG *vrng = opaque;
size_t len;
int offset;
if (!is_guest_ready(vrng)) {
return;
}
offset = 0;
while (offset < size) {
if (!pop_an_elem(vrng)) {
break;
}
len = iov_from_buf(vrng->elem.in_sg, vrng->elem.in_num,
0, buf + offset, size - offset);
offset += len;
virtqueue_push(vrng->vq, &vrng->elem, len);
vrng->popped = false;
}
virtio_notify(&vrng->vdev, vrng->vq);
/*
* Lastly, if we had multiple elems queued by the guest, and we
* didn't have enough data to fill them all, indicate we want more
* data.
*/
len = pop_an_elem(vrng);
if (len) {
rng_backend_request_entropy(vrng->rng, size, chr_read, vrng);
}
}
| 10,483 |
qemu | 0284b03ba3f47da53b6b46293a3d586c08829f7e | 0 | void cpu_loop(CPUX86State *env)
{
CPUState *cs = CPU(x86_env_get_cpu(env));
int trapnr;
abi_ulong pc;
target_siginfo_t info;
for(;;) {
cpu_exec_start(cs);
trapnr = cpu_x86_exec(cs);
cpu_exec_end(cs);
switch(trapnr) {
case 0x80:
/* linux syscall from int $0x80 */
env->regs[R_EAX] = do_syscall(env,
env->regs[R_EAX],
env->regs[R_EBX],
env->regs[R_ECX],
env->regs[R_EDX],
env->regs[R_ESI],
env->regs[R_EDI],
env->regs[R_EBP],
0, 0);
break;
#ifndef TARGET_ABI32
case EXCP_SYSCALL:
/* linux syscall from syscall instruction */
env->regs[R_EAX] = do_syscall(env,
env->regs[R_EAX],
env->regs[R_EDI],
env->regs[R_ESI],
env->regs[R_EDX],
env->regs[10],
env->regs[8],
env->regs[9],
0, 0);
break;
#endif
case EXCP0B_NOSEG:
case EXCP0C_STACK:
info.si_signo = TARGET_SIGBUS;
info.si_errno = 0;
info.si_code = TARGET_SI_KERNEL;
info._sifields._sigfault._addr = 0;
queue_signal(env, info.si_signo, &info);
break;
case EXCP0D_GPF:
/* XXX: potential problem if ABI32 */
#ifndef TARGET_X86_64
if (env->eflags & VM_MASK) {
handle_vm86_fault(env);
} else
#endif
{
info.si_signo = TARGET_SIGSEGV;
info.si_errno = 0;
info.si_code = TARGET_SI_KERNEL;
info._sifields._sigfault._addr = 0;
queue_signal(env, info.si_signo, &info);
}
break;
case EXCP0E_PAGE:
info.si_signo = TARGET_SIGSEGV;
info.si_errno = 0;
if (!(env->error_code & 1))
info.si_code = TARGET_SEGV_MAPERR;
else
info.si_code = TARGET_SEGV_ACCERR;
info._sifields._sigfault._addr = env->cr[2];
queue_signal(env, info.si_signo, &info);
break;
case EXCP00_DIVZ:
#ifndef TARGET_X86_64
if (env->eflags & VM_MASK) {
handle_vm86_trap(env, trapnr);
} else
#endif
{
/* division by zero */
info.si_signo = TARGET_SIGFPE;
info.si_errno = 0;
info.si_code = TARGET_FPE_INTDIV;
info._sifields._sigfault._addr = env->eip;
queue_signal(env, info.si_signo, &info);
}
break;
case EXCP01_DB:
case EXCP03_INT3:
#ifndef TARGET_X86_64
if (env->eflags & VM_MASK) {
handle_vm86_trap(env, trapnr);
} else
#endif
{
info.si_signo = TARGET_SIGTRAP;
info.si_errno = 0;
if (trapnr == EXCP01_DB) {
info.si_code = TARGET_TRAP_BRKPT;
info._sifields._sigfault._addr = env->eip;
} else {
info.si_code = TARGET_SI_KERNEL;
info._sifields._sigfault._addr = 0;
}
queue_signal(env, info.si_signo, &info);
}
break;
case EXCP04_INTO:
case EXCP05_BOUND:
#ifndef TARGET_X86_64
if (env->eflags & VM_MASK) {
handle_vm86_trap(env, trapnr);
} else
#endif
{
info.si_signo = TARGET_SIGSEGV;
info.si_errno = 0;
info.si_code = TARGET_SI_KERNEL;
info._sifields._sigfault._addr = 0;
queue_signal(env, info.si_signo, &info);
}
break;
case EXCP06_ILLOP:
info.si_signo = TARGET_SIGILL;
info.si_errno = 0;
info.si_code = TARGET_ILL_ILLOPN;
info._sifields._sigfault._addr = env->eip;
queue_signal(env, info.si_signo, &info);
break;
case EXCP_INTERRUPT:
/* just indicate that signals should be handled asap */
break;
case EXCP_DEBUG:
{
int sig;
sig = gdb_handlesig(cs, TARGET_SIGTRAP);
if (sig)
{
info.si_signo = sig;
info.si_errno = 0;
info.si_code = TARGET_TRAP_BRKPT;
queue_signal(env, info.si_signo, &info);
}
}
break;
default:
pc = env->segs[R_CS].base + env->eip;
EXCP_DUMP(env, "qemu: 0x%08lx: unhandled CPU exception 0x%x - aborting\n",
(long)pc, trapnr);
abort();
}
process_pending_signals(env);
}
}
| 10,484 |
qemu | 4a1418e07bdcfaa3177739e04707ecaec75d89e1 | 0 | void kqemu_flush(CPUState *env, int global)
{
LOG_INT("kqemu_flush:\n");
nb_pages_to_flush = KQEMU_FLUSH_ALL;
}
| 10,486 |
qemu | 27a69bb088bee6d4efea254659422fb9c751b3c7 | 0 | static inline void gen_evmergelohi(DisasContext *ctx)
{
if (unlikely(!ctx->spe_enabled)) {
gen_exception(ctx, POWERPC_EXCP_APU);
return;
}
#if defined(TARGET_PPC64)
TCGv t0 = tcg_temp_new();
TCGv t1 = tcg_temp_new();
tcg_gen_shri_tl(t0, cpu_gpr[rB(ctx->opcode)], 32);
tcg_gen_shli_tl(t1, cpu_gpr[rA(ctx->opcode)], 32);
tcg_gen_or_tl(cpu_gpr[rD(ctx->opcode)], t0, t1);
tcg_temp_free(t0);
tcg_temp_free(t1);
#else
if (rD(ctx->opcode) == rA(ctx->opcode)) {
TCGv_i32 tmp = tcg_temp_new_i32();
tcg_gen_mov_i32(tmp, cpu_gpr[rA(ctx->opcode)]);
tcg_gen_mov_i32(cpu_gpr[rD(ctx->opcode)], cpu_gprh[rB(ctx->opcode)]);
tcg_gen_mov_i32(cpu_gprh[rD(ctx->opcode)], tmp);
tcg_temp_free_i32(tmp);
} else {
tcg_gen_mov_i32(cpu_gpr[rD(ctx->opcode)], cpu_gprh[rB(ctx->opcode)]);
tcg_gen_mov_i32(cpu_gprh[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
}
#endif
}
| 10,487 |
qemu | 342368aff7d61a32b5853068b92039a2b15507c5 | 0 | gen_intermediate_code_internal(MIPSCPU *cpu, TranslationBlock *tb,
bool search_pc)
{
CPUState *cs = CPU(cpu);
CPUMIPSState *env = &cpu->env;
DisasContext ctx;
target_ulong pc_start;
uint16_t *gen_opc_end;
CPUBreakpoint *bp;
int j, lj = -1;
int num_insns;
int max_insns;
int insn_bytes;
int is_slot;
if (search_pc)
qemu_log("search pc %d\n", search_pc);
pc_start = tb->pc;
gen_opc_end = tcg_ctx.gen_opc_buf + OPC_MAX_SIZE;
ctx.pc = pc_start;
ctx.saved_pc = -1;
ctx.singlestep_enabled = cs->singlestep_enabled;
ctx.insn_flags = env->insn_flags;
ctx.CP0_Config1 = env->CP0_Config1;
ctx.tb = tb;
ctx.bstate = BS_NONE;
ctx.kscrexist = (env->CP0_Config4 >> CP0C4_KScrExist) & 0xff;
ctx.rxi = (env->CP0_Config3 >> CP0C3_RXI) & 1;
ctx.ie = (env->CP0_Config4 >> CP0C4_IE) & 3;
ctx.bi = (env->CP0_Config3 >> CP0C3_BI) & 1;
ctx.bp = (env->CP0_Config3 >> CP0C3_BP) & 1;
/* Restore delay slot state from the tb context. */
ctx.hflags = (uint32_t)tb->flags; /* FIXME: maybe use 64 bits here? */
ctx.ulri = env->CP0_Config3 & (1 << CP0C3_ULRI);
restore_cpu_state(env, &ctx);
#ifdef CONFIG_USER_ONLY
ctx.mem_idx = MIPS_HFLAG_UM;
#else
ctx.mem_idx = ctx.hflags & MIPS_HFLAG_KSU;
#endif
num_insns = 0;
max_insns = tb->cflags & CF_COUNT_MASK;
if (max_insns == 0)
max_insns = CF_COUNT_MASK;
LOG_DISAS("\ntb %p idx %d hflags %04x\n", tb, ctx.mem_idx, ctx.hflags);
gen_tb_start();
while (ctx.bstate == BS_NONE) {
if (unlikely(!QTAILQ_EMPTY(&cs->breakpoints))) {
QTAILQ_FOREACH(bp, &cs->breakpoints, entry) {
if (bp->pc == ctx.pc) {
save_cpu_state(&ctx, 1);
ctx.bstate = BS_BRANCH;
gen_helper_0e0i(raise_exception, EXCP_DEBUG);
/* Include the breakpoint location or the tb won't
* be flushed when it must be. */
ctx.pc += 4;
goto done_generating;
}
}
}
if (search_pc) {
j = tcg_ctx.gen_opc_ptr - tcg_ctx.gen_opc_buf;
if (lj < j) {
lj++;
while (lj < j)
tcg_ctx.gen_opc_instr_start[lj++] = 0;
}
tcg_ctx.gen_opc_pc[lj] = ctx.pc;
gen_opc_hflags[lj] = ctx.hflags & MIPS_HFLAG_BMASK;
gen_opc_btarget[lj] = ctx.btarget;
tcg_ctx.gen_opc_instr_start[lj] = 1;
tcg_ctx.gen_opc_icount[lj] = num_insns;
}
if (num_insns + 1 == max_insns && (tb->cflags & CF_LAST_IO))
gen_io_start();
is_slot = ctx.hflags & MIPS_HFLAG_BMASK;
if (!(ctx.hflags & MIPS_HFLAG_M16)) {
ctx.opcode = cpu_ldl_code(env, ctx.pc);
insn_bytes = 4;
decode_opc(env, &ctx);
} else if (ctx.insn_flags & ASE_MICROMIPS) {
ctx.opcode = cpu_lduw_code(env, ctx.pc);
insn_bytes = decode_micromips_opc(env, &ctx);
} else if (ctx.insn_flags & ASE_MIPS16) {
ctx.opcode = cpu_lduw_code(env, ctx.pc);
insn_bytes = decode_mips16_opc(env, &ctx);
} else {
generate_exception(&ctx, EXCP_RI);
ctx.bstate = BS_STOP;
break;
}
if (ctx.hflags & MIPS_HFLAG_BMASK) {
if (!(ctx.hflags & (MIPS_HFLAG_BDS16 | MIPS_HFLAG_BDS32 |
MIPS_HFLAG_FBNSLOT))) {
/* force to generate branch as there is neither delay nor
forbidden slot */
is_slot = 1;
}
}
if (is_slot) {
gen_branch(&ctx, insn_bytes);
}
ctx.pc += insn_bytes;
num_insns++;
/* Execute a branch and its delay slot as a single instruction.
This is what GDB expects and is consistent with what the
hardware does (e.g. if a delay slot instruction faults, the
reported PC is the PC of the branch). */
if (cs->singlestep_enabled && (ctx.hflags & MIPS_HFLAG_BMASK) == 0) {
break;
}
if ((ctx.pc & (TARGET_PAGE_SIZE - 1)) == 0)
break;
if (tcg_ctx.gen_opc_ptr >= gen_opc_end) {
break;
}
if (num_insns >= max_insns)
break;
if (singlestep)
break;
}
if (tb->cflags & CF_LAST_IO) {
gen_io_end();
}
if (cs->singlestep_enabled && ctx.bstate != BS_BRANCH) {
save_cpu_state(&ctx, ctx.bstate == BS_NONE);
gen_helper_0e0i(raise_exception, EXCP_DEBUG);
} else {
switch (ctx.bstate) {
case BS_STOP:
gen_goto_tb(&ctx, 0, ctx.pc);
break;
case BS_NONE:
save_cpu_state(&ctx, 0);
gen_goto_tb(&ctx, 0, ctx.pc);
break;
case BS_EXCP:
tcg_gen_exit_tb(0);
break;
case BS_BRANCH:
default:
break;
}
}
done_generating:
gen_tb_end(tb, num_insns);
*tcg_ctx.gen_opc_ptr = INDEX_op_end;
if (search_pc) {
j = tcg_ctx.gen_opc_ptr - tcg_ctx.gen_opc_buf;
lj++;
while (lj <= j)
tcg_ctx.gen_opc_instr_start[lj++] = 0;
} else {
tb->size = ctx.pc - pc_start;
tb->icount = num_insns;
}
#ifdef DEBUG_DISAS
LOG_DISAS("\n");
if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
qemu_log("IN: %s\n", lookup_symbol(pc_start));
log_target_disas(env, pc_start, ctx.pc - pc_start, 0);
qemu_log("\n");
}
#endif
}
| 10,488 |
qemu | 6e0d8677cb443e7408c0b7a25a93c6596d7fa380 | 0 | static inline void gen_movs(DisasContext *s, int ot)
{
gen_string_movl_A0_ESI(s);
gen_op_ld_T0_A0(ot + s->mem_index);
gen_string_movl_A0_EDI(s);
gen_op_st_T0_A0(ot + s->mem_index);
gen_op_movl_T0_Dshift[ot]();
#ifdef TARGET_X86_64
if (s->aflag == 2) {
gen_op_addq_ESI_T0();
gen_op_addq_EDI_T0();
} else
#endif
if (s->aflag) {
gen_op_addl_ESI_T0();
gen_op_addl_EDI_T0();
} else {
gen_op_addw_ESI_T0();
gen_op_addw_EDI_T0();
}
}
| 10,489 |
FFmpeg | 463705bd1c644bbdded7bcf9f619bcb4203d562f | 0 | static int udp_read(URLContext *h, uint8_t *buf, int size)
{
UDPContext *s = h->priv_data;
int ret;
int avail;
#if HAVE_PTHREADS
if (s->fifo) {
pthread_mutex_lock(&s->mutex);
do {
avail = av_fifo_size(s->fifo);
if (avail) { // >=size) {
uint8_t tmp[4];
pthread_mutex_unlock(&s->mutex);
av_fifo_generic_read(s->fifo, tmp, 4, NULL);
avail= AV_RL32(tmp);
if(avail > size){
av_log(h, AV_LOG_WARNING, "Part of datagram lost due to insufficient buffer size\n");
avail= size;
}
av_fifo_generic_read(s->fifo, buf, avail, NULL);
av_fifo_drain(s->fifo, AV_RL32(tmp) - avail);
return avail;
} else if(s->circular_buffer_error){
pthread_mutex_unlock(&s->mutex);
return s->circular_buffer_error;
} else if(h->flags & AVIO_FLAG_NONBLOCK) {
pthread_mutex_unlock(&s->mutex);
return AVERROR(EAGAIN);
}
else {
pthread_cond_wait(&s->cond, &s->mutex);
}
} while( 1);
}
#endif
if (!(h->flags & AVIO_FLAG_NONBLOCK)) {
ret = ff_network_wait_fd(s->udp_fd, 0);
if (ret < 0)
return ret;
}
ret = recv(s->udp_fd, buf, size, 0);
return ret < 0 ? ff_neterrno() : ret;
}
| 10,490 |
qemu | 6652d0811c9463fbfb2d2d1cb2ec03f388145c5f | 0 | static int virtio_pci_vector_unmask(PCIDevice *dev, unsigned vector,
MSIMessage msg)
{
VirtIOPCIProxy *proxy = container_of(dev, VirtIOPCIProxy, pci_dev);
VirtIODevice *vdev = virtio_bus_get_device(&proxy->bus);
VirtQueue *vq = virtio_vector_first_queue(vdev, vector);
int ret, index, unmasked = 0;
while (vq) {
index = virtio_get_queue_index(vq);
if (!virtio_queue_get_num(vdev, index)) {
break;
}
ret = virtio_pci_vq_vector_unmask(proxy, index, vector, msg);
if (ret < 0) {
goto undo;
}
vq = virtio_vector_next_queue(vq);
++unmasked;
}
return 0;
undo:
vq = virtio_vector_first_queue(vdev, vector);
while (vq && --unmasked >= 0) {
index = virtio_get_queue_index(vq);
virtio_pci_vq_vector_mask(proxy, index, vector);
vq = virtio_vector_next_queue(vq);
}
return ret;
}
| 10,491 |
qemu | 4d43d3f3c8147ade184df9a1e9e82826edd39e19 | 0 | static void virtio_ioport_write(void *opaque, uint32_t addr, uint32_t val)
{
VirtIOPCIProxy *proxy = opaque;
VirtIODevice *vdev = virtio_bus_get_device(&proxy->bus);
hwaddr pa;
switch (addr) {
case VIRTIO_PCI_GUEST_FEATURES:
/* Guest does not negotiate properly? We have to assume nothing. */
if (val & (1 << VIRTIO_F_BAD_FEATURE)) {
val = virtio_bus_get_vdev_bad_features(&proxy->bus);
}
virtio_set_features(vdev, val);
break;
case VIRTIO_PCI_QUEUE_PFN:
pa = (hwaddr)val << VIRTIO_PCI_QUEUE_ADDR_SHIFT;
if (pa == 0) {
virtio_pci_stop_ioeventfd(proxy);
virtio_reset(vdev);
msix_unuse_all_vectors(&proxy->pci_dev);
}
else
virtio_queue_set_addr(vdev, vdev->queue_sel, pa);
break;
case VIRTIO_PCI_QUEUE_SEL:
if (val < VIRTIO_PCI_QUEUE_MAX)
vdev->queue_sel = val;
break;
case VIRTIO_PCI_QUEUE_NOTIFY:
if (val < VIRTIO_PCI_QUEUE_MAX) {
virtio_queue_notify(vdev, val);
}
break;
case VIRTIO_PCI_STATUS:
if (!(val & VIRTIO_CONFIG_S_DRIVER_OK)) {
virtio_pci_stop_ioeventfd(proxy);
}
virtio_set_status(vdev, val & 0xFF);
if (val & VIRTIO_CONFIG_S_DRIVER_OK) {
virtio_pci_start_ioeventfd(proxy);
}
if (vdev->status == 0) {
virtio_reset(vdev);
msix_unuse_all_vectors(&proxy->pci_dev);
}
/* Linux before 2.6.34 drives the device without enabling
the PCI device bus master bit. Enable it automatically
for the guest. This is a PCI spec violation but so is
initiating DMA with bus master bit clear. */
if (val == (VIRTIO_CONFIG_S_ACKNOWLEDGE | VIRTIO_CONFIG_S_DRIVER)) {
pci_default_write_config(&proxy->pci_dev, PCI_COMMAND,
proxy->pci_dev.config[PCI_COMMAND] |
PCI_COMMAND_MASTER, 1);
}
/* Linux before 2.6.34 sets the device as OK without enabling
the PCI device bus master bit. In this case we need to disable
some safety checks. */
if ((val & VIRTIO_CONFIG_S_DRIVER_OK) &&
!(proxy->pci_dev.config[PCI_COMMAND] & PCI_COMMAND_MASTER)) {
proxy->flags |= VIRTIO_PCI_FLAG_BUS_MASTER_BUG;
}
break;
case VIRTIO_MSI_CONFIG_VECTOR:
msix_vector_unuse(&proxy->pci_dev, vdev->config_vector);
/* Make it possible for guest to discover an error took place. */
if (msix_vector_use(&proxy->pci_dev, val) < 0)
val = VIRTIO_NO_VECTOR;
vdev->config_vector = val;
break;
case VIRTIO_MSI_QUEUE_VECTOR:
msix_vector_unuse(&proxy->pci_dev,
virtio_queue_vector(vdev, vdev->queue_sel));
/* Make it possible for guest to discover an error took place. */
if (msix_vector_use(&proxy->pci_dev, val) < 0)
val = VIRTIO_NO_VECTOR;
virtio_queue_set_vector(vdev, vdev->queue_sel, val);
break;
default:
error_report("%s: unexpected address 0x%x value 0x%x",
__func__, addr, val);
break;
}
}
| 10,492 |
qemu | 84fd9dd3f78ced9d41e1160d43862bb620cb462a | 0 | void tcg_register_helper(void *func, const char *name)
{
TCGContext *s = &tcg_ctx;
GHashTable *table = s->helpers;
if (table == NULL) {
/* Use g_direct_hash/equal for direct pointer comparisons on func. */
table = g_hash_table_new(NULL, NULL);
s->helpers = table;
}
g_hash_table_insert(table, (gpointer)func, (gpointer)name);
}
| 10,493 |
qemu | da6789c27c2ea71765cfab04bad9a42b5426f0bd | 0 | static void nvdimm_init(Object *obj)
{
object_property_add(obj, "label-size", "int",
nvdimm_get_label_size, nvdimm_set_label_size, NULL,
NULL, NULL);
}
| 10,495 |
qemu | 7ad4c7200111d20eb97eed4f46b6026e3f0b0eef | 0 | char *g_strdup_vprintf(const char *format, va_list ap)
{
char ch, *s;
size_t len;
__coverity_string_null_sink__(format);
__coverity_string_size_sink__(format);
ch = *format;
ch = *(char *)ap;
s = __coverity_alloc_nosize__();
__coverity_writeall__(s);
__coverity_mark_as_afm_allocated__(s, AFM_free);
return len;
}
| 10,496 |
FFmpeg | 4e03f0ab08e27537512107cba6e357d34284a35f | 0 | static void randomize_loopfilter_buffers(int bidx, int lineoff, int str,
int bit_depth, int dir,
int* E, int* F, int* H, int* I,
uint8_t *buf0, uint8_t *buf1)
{
uint32_t mask = (1 << bit_depth) - 1;
int off = dir ? lineoff : lineoff * 16;
int istride = dir ? 1 : 16;
int jstride = dir ? str : 1;
int i, j;
for (i = 0; i < 2; i++) /* flat16 */ {
int idx = off + i * istride, p0, q0;
setpx(idx, 0, q0 = rnd() & mask);
setsx(idx, -1, p0 = q0, E[bidx] >> 2);
for (j = 1; j < 8; j++) {
setsx(idx, -1 - j, p0, F[bidx]);
setsx(idx, j, q0, F[bidx]);
}
}
for (i = 2; i < 4; i++) /* flat8 */ {
int idx = off + i * istride, p0, q0;
setpx(idx, 0, q0 = rnd() & mask);
setsx(idx, -1, p0 = q0, E[bidx] >> 2);
for (j = 1; j < 4; j++) {
setsx(idx, -1 - j, p0, F[bidx]);
setsx(idx, j, q0, F[bidx]);
}
for (j = 4; j < 8; j++) {
setpx(idx, -1 - j, rnd() & mask);
setpx(idx, j, rnd() & mask);
}
}
for (i = 4; i < 6; i++) /* regular */ {
int idx = off + i * istride, p2, p1, p0, q0, q1, q2;
setpx(idx, 0, q0 = rnd() & mask);
setsx(idx, 1, q1 = q0, I[bidx]);
setsx(idx, 2, q2 = q1, I[bidx]);
setsx(idx, 3, q2, I[bidx]);
setsx(idx, -1, p0 = q0, E[bidx] >> 2);
setsx(idx, -2, p1 = p0, I[bidx]);
setsx(idx, -3, p2 = p1, I[bidx]);
setsx(idx, -4, p2, I[bidx]);
for (j = 4; j < 8; j++) {
setpx(idx, -1 - j, rnd() & mask);
setpx(idx, j, rnd() & mask);
}
}
for (i = 6; i < 8; i++) /* off */ {
int idx = off + i * istride;
for (j = 0; j < 8; j++) {
setpx(idx, -1 - j, rnd() & mask);
setpx(idx, j, rnd() & mask);
}
}
}
| 10,497 |
FFmpeg | d6604b29ef544793479d7fb4e05ef6622bb3e534 | 0 | static av_cold int bmp_encode_close(AVCodecContext *avctx)
{
av_frame_free(&avctx->coded_frame);
return 0;
}
| 10,499 |
qemu | efec3dd631d94160288392721a5f9c39e50fb2bc | 1 | static void pci_grackle_class_init(ObjectClass *klass, void *data)
{
SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
DeviceClass *dc = DEVICE_CLASS(klass);
k->init = pci_grackle_init_device;
dc->no_user = 1;
}
| 10,500 |
FFmpeg | b8b8e82ea14016b2cb04b49ecea57f836e6ee7f8 | 1 | static int dnxhd_decode_frame(AVCodecContext *avctx, void *data,
int *got_frame, AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
DNXHDContext *ctx = avctx->priv_data;
ThreadFrame frame = { .f = data };
AVFrame *picture = data;
int first_field = 1;
int ret;
ff_dlog(avctx, "frame size %d\n", buf_size);
decode_coding_unit:
if ((ret = dnxhd_decode_header(ctx, picture, buf, buf_size, first_field)) < 0)
return ret;
if ((avctx->width || avctx->height) &&
(ctx->width != avctx->width || ctx->height != avctx->height)) {
av_log(avctx, AV_LOG_WARNING, "frame size changed: %dx%d -> %dx%d\n",
avctx->width, avctx->height, ctx->width, ctx->height);
first_field = 1;
}
if (avctx->pix_fmt != AV_PIX_FMT_NONE && avctx->pix_fmt != ctx->pix_fmt) {
av_log(avctx, AV_LOG_WARNING, "pix_fmt changed: %s -> %s\n",
av_get_pix_fmt_name(avctx->pix_fmt), av_get_pix_fmt_name(ctx->pix_fmt));
first_field = 1;
}
avctx->pix_fmt = ctx->pix_fmt;
ret = ff_set_dimensions(avctx, ctx->width, ctx->height);
if (ret < 0)
return ret;
if (first_field) {
if ((ret = ff_thread_get_buffer(avctx, &frame, 0)) < 0)
return ret;
picture->pict_type = AV_PICTURE_TYPE_I;
picture->key_frame = 1;
}
ctx->buf_size = buf_size - 0x280;
ctx->buf = buf + 0x280;
avctx->execute2(avctx, dnxhd_decode_row, picture, NULL, ctx->mb_height);
if (first_field && picture->interlaced_frame) {
buf += ctx->cid_table->coding_unit_size;
buf_size -= ctx->cid_table->coding_unit_size;
first_field = 0;
goto decode_coding_unit;
}
*got_frame = 1;
return avpkt->size;
}
| 10,503 |
qemu | ef0e8fc768a561dd13a86420b3268f6f3d5d0621 | 1 | static void vtd_realize(DeviceState *dev, Error **errp)
{
PCMachineState *pcms = PC_MACHINE(qdev_get_machine());
PCIBus *bus = pcms->bus;
IntelIOMMUState *s = INTEL_IOMMU_DEVICE(dev);
X86IOMMUState *x86_iommu = X86_IOMMU_DEVICE(dev);
VTD_DPRINTF(GENERAL, "");
x86_iommu->type = TYPE_INTEL;
if (!vtd_decide_config(s, errp)) {
return;
}
QLIST_INIT(&s->notifiers_list);
memset(s->vtd_as_by_bus_num, 0, sizeof(s->vtd_as_by_bus_num));
memory_region_init_io(&s->csrmem, OBJECT(s), &vtd_mem_ops, s,
"intel_iommu", DMAR_REG_SIZE);
sysbus_init_mmio(SYS_BUS_DEVICE(s), &s->csrmem);
/* No corresponding destroy */
s->iotlb = g_hash_table_new_full(vtd_uint64_hash, vtd_uint64_equal,
g_free, g_free);
s->vtd_as_by_busptr = g_hash_table_new_full(vtd_uint64_hash, vtd_uint64_equal,
g_free, g_free);
vtd_init(s);
sysbus_mmio_map(SYS_BUS_DEVICE(s), 0, Q35_HOST_BRIDGE_IOMMU_ADDR);
pci_setup_iommu(bus, vtd_host_dma_iommu, dev);
/* Pseudo address space under root PCI bus. */
pcms->ioapic_as = vtd_host_dma_iommu(bus, s, Q35_PSEUDO_DEVFN_IOAPIC);
}
| 10,505 |
qemu | b0f74c87a1dbd6b0c5e4de7f1c5cb40197e3fbe9 | 1 | static inline void menelaus_rtc_start(struct menelaus_s *s)
{
s->rtc.next =+ qemu_get_clock(rt_clock);
qemu_mod_timer(s->rtc.hz, s->rtc.next);
}
| 10,506 |
qemu | b027a538c6790bcfc93ef7f4819fe3e581445959 | 1 | static int oss_ctl_out (HWVoiceOut *hw, int cmd, ...)
{
int trig;
OSSVoiceOut *oss = (OSSVoiceOut *) hw;
switch (cmd) {
case VOICE_ENABLE:
{
va_list ap;
int poll_mode;
va_start (ap, cmd);
poll_mode = va_arg (ap, int);
va_end (ap);
ldebug ("enabling voice\n");
if (poll_mode && oss_poll_out (hw)) {
poll_mode = 0;
}
hw->poll_mode = poll_mode;
if (!oss->mmapped) {
return 0;
}
audio_pcm_info_clear_buf (&hw->info, oss->pcm_buf, hw->samples);
trig = PCM_ENABLE_OUTPUT;
if (ioctl (oss->fd, SNDCTL_DSP_SETTRIGGER, &trig) < 0) {
oss_logerr (
errno,
"SNDCTL_DSP_SETTRIGGER PCM_ENABLE_OUTPUT failed\n"
);
return -1;
}
}
break;
case VOICE_DISABLE:
if (hw->poll_mode) {
qemu_set_fd_handler (oss->fd, NULL, NULL, NULL);
hw->poll_mode = 0;
}
if (!oss->mmapped) {
return 0;
}
ldebug ("disabling voice\n");
trig = 0;
if (ioctl (oss->fd, SNDCTL_DSP_SETTRIGGER, &trig) < 0) {
oss_logerr (errno, "SNDCTL_DSP_SETTRIGGER 0 failed\n");
return -1;
}
break;
}
return 0;
}
| 10,507 |
qemu | 80c27194a7be757ef5a9cec978d1d8faaa4cee81 | 1 | void op_ddiv (void)
{
if (T1 != 0) {
env->LO = (int64_t)T0 / (int64_t)T1;
env->HI = (int64_t)T0 % (int64_t)T1;
}
RETURN();
}
| 10,508 |
qemu | 73a8912b8aeed1c992e3f9cb4880e9d1edb935de | 1 | static void decompress_data_with_multi_threads(QEMUFile *f,
void *host, int len)
{
int idx, thread_count;
thread_count = migrate_decompress_threads();
while (true) {
for (idx = 0; idx < thread_count; idx++) {
if (!decomp_param[idx].start) {
qemu_get_buffer(f, decomp_param[idx].compbuf, len);
decomp_param[idx].des = host;
decomp_param[idx].len = len;
start_decompression(&decomp_param[idx]);
break;
}
}
if (idx < thread_count) {
break;
}
}
}
| 10,509 |
FFmpeg | 6592cd22a2307dbbeb621c7499ba81961e6face8 | 1 | static int config_input(AVFilterLink *link)
{
AVFilterContext *ctx = link->dst;
CropContext *s = ctx->priv;
const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(link->format);
int ret;
const char *expr;
double res;
s->var_values[VAR_E] = M_E;
s->var_values[VAR_PHI] = M_PHI;
s->var_values[VAR_PI] = M_PI;
s->var_values[VAR_IN_W] = s->var_values[VAR_IW] = ctx->inputs[0]->w;
s->var_values[VAR_IN_H] = s->var_values[VAR_IH] = ctx->inputs[0]->h;
s->var_values[VAR_X] = NAN;
s->var_values[VAR_Y] = NAN;
s->var_values[VAR_OUT_W] = s->var_values[VAR_OW] = NAN;
s->var_values[VAR_OUT_H] = s->var_values[VAR_OH] = NAN;
s->var_values[VAR_N] = 0;
s->var_values[VAR_T] = NAN;
av_image_fill_max_pixsteps(s->max_step, NULL, pix_desc);
s->hsub = pix_desc->log2_chroma_w;
s->vsub = pix_desc->log2_chroma_h;
if ((ret = av_expr_parse_and_eval(&res, (expr = s->ow_expr),
var_names, s->var_values,
NULL, NULL, NULL, NULL, NULL, 0, ctx)) < 0)
goto fail_expr;
s->var_values[VAR_OUT_W] = s->var_values[VAR_OW] = res;
if ((ret = av_expr_parse_and_eval(&res, (expr = s->oh_expr),
var_names, s->var_values,
NULL, NULL, NULL, NULL, NULL, 0, ctx)) < 0)
goto fail_expr;
s->var_values[VAR_OUT_H] = s->var_values[VAR_OH] = res;
/* evaluate again ow as it may depend on oh */
if ((ret = av_expr_parse_and_eval(&res, (expr = s->ow_expr),
var_names, s->var_values,
NULL, NULL, NULL, NULL, NULL, 0, ctx)) < 0)
goto fail_expr;
s->var_values[VAR_OUT_W] = s->var_values[VAR_OW] = res;
if (normalize_double(&s->w, s->var_values[VAR_OUT_W]) < 0 ||
normalize_double(&s->h, s->var_values[VAR_OUT_H]) < 0) {
av_log(ctx, AV_LOG_ERROR,
"Too big value or invalid expression for out_w/ow or out_h/oh. "
"Maybe the expression for out_w:'%s' or for out_h:'%s' is self-referencing.\n",
s->ow_expr, s->oh_expr);
return AVERROR(EINVAL);
}
s->w &= ~((1 << s->hsub) - 1);
s->h &= ~((1 << s->vsub) - 1);
if ((ret = av_expr_parse(&s->x_pexpr, s->x_expr, var_names,
NULL, NULL, NULL, NULL, 0, ctx)) < 0 ||
(ret = av_expr_parse(&s->y_pexpr, s->y_expr, var_names,
NULL, NULL, NULL, NULL, 0, ctx)) < 0)
return AVERROR(EINVAL);
av_log(ctx, AV_LOG_VERBOSE, "w:%d h:%d -> w:%d h:%d\n",
link->w, link->h, s->w, s->h);
if (s->w <= 0 || s->h <= 0 ||
s->w > link->w || s->h > link->h) {
av_log(ctx, AV_LOG_ERROR,
"Invalid too big or non positive size for width '%d' or height '%d'\n",
s->w, s->h);
return AVERROR(EINVAL);
}
/* set default, required in the case the first computed value for x/y is NAN */
s->x = (link->w - s->w) / 2;
s->y = (link->h - s->h) / 2;
s->x &= ~((1 << s->hsub) - 1);
s->y &= ~((1 << s->vsub) - 1);
return 0;
fail_expr:
av_log(NULL, AV_LOG_ERROR, "Error when evaluating the expression '%s'\n", expr);
return ret;
} | 10,510 |
FFmpeg | d9a3501c33a1f88350c935785dbf5435e9ffabe6 | 1 | int av_opt_set_dict(void *obj, AVDictionary **options)
{
AVDictionaryEntry *t = NULL;
AVDictionary *tmp = NULL;
int ret = 0;
while ((t = av_dict_get(*options, "", t, AV_DICT_IGNORE_SUFFIX))) {
ret = av_opt_set(obj, t->key, t->value, 0);
if (ret == AVERROR_OPTION_NOT_FOUND)
av_dict_set(&tmp, t->key, t->value, 0);
else if (ret < 0) {
av_log(obj, AV_LOG_ERROR, "Error setting option %s to value %s.\n", t->key, t->value);
break;
}
ret = 0;
}
av_dict_free(options);
*options = tmp;
return ret;
} | 10,511 |
FFmpeg | 79997def65fd2313b48a5f3c3a884c6149ae9b5d | 0 | static av_cold int mdct_init(AVCodecContext *avctx, AC3MDCTContext *mdct,
int nbits)
{
int i, n, n4, ret;
n = 1 << nbits;
n4 = n >> 2;
mdct->nbits = nbits;
ret = fft_init(avctx, mdct, nbits - 2);
if (ret)
return ret;
mdct->window = ff_ac3_window;
FF_ALLOC_OR_GOTO(avctx, mdct->xcos1, n4 * sizeof(*mdct->xcos1), mdct_alloc_fail);
FF_ALLOC_OR_GOTO(avctx, mdct->xsin1, n4 * sizeof(*mdct->xsin1), mdct_alloc_fail);
FF_ALLOC_OR_GOTO(avctx, mdct->rot_tmp, n * sizeof(*mdct->rot_tmp), mdct_alloc_fail);
FF_ALLOC_OR_GOTO(avctx, mdct->cplx_tmp, n4 * sizeof(*mdct->cplx_tmp), mdct_alloc_fail);
for (i = 0; i < n4; i++) {
float alpha = 2.0 * M_PI * (i + 1.0 / 8.0) / n;
mdct->xcos1[i] = FIX15(-cos(alpha));
mdct->xsin1[i] = FIX15(-sin(alpha));
}
return 0;
mdct_alloc_fail:
mdct_end(mdct);
return AVERROR(ENOMEM);
}
| 10,512 |
FFmpeg | 80a5d05108cb218e8cd2e25c6621a3bfef0a832e | 0 | static av_cold int vaapi_encode_h264_init_internal(AVCodecContext *avctx)
{
static const VAConfigAttrib default_config_attributes[] = {
{ .type = VAConfigAttribRTFormat,
.value = VA_RT_FORMAT_YUV420 },
{ .type = VAConfigAttribEncPackedHeaders,
.value = (VA_ENC_PACKED_HEADER_SEQUENCE |
VA_ENC_PACKED_HEADER_SLICE) },
};
VAAPIEncodeContext *ctx = avctx->priv_data;
VAAPIEncodeH264Context *priv = ctx->priv_data;
VAAPIEncodeH264Options *opt = ctx->codec_options;
int i, err;
switch (avctx->profile) {
case FF_PROFILE_H264_CONSTRAINED_BASELINE:
ctx->va_profile = VAProfileH264ConstrainedBaseline;
break;
case FF_PROFILE_H264_BASELINE:
ctx->va_profile = VAProfileH264Baseline;
break;
case FF_PROFILE_H264_MAIN:
ctx->va_profile = VAProfileH264Main;
break;
case FF_PROFILE_H264_EXTENDED:
av_log(avctx, AV_LOG_ERROR, "H.264 extended profile "
"is not supported.\n");
return AVERROR_PATCHWELCOME;
case FF_PROFILE_UNKNOWN:
case FF_PROFILE_H264_HIGH:
ctx->va_profile = VAProfileH264High;
break;
case FF_PROFILE_H264_HIGH_10:
case FF_PROFILE_H264_HIGH_10_INTRA:
av_log(avctx, AV_LOG_ERROR, "H.264 10-bit profiles "
"are not supported.\n");
return AVERROR_PATCHWELCOME;
case FF_PROFILE_H264_HIGH_422:
case FF_PROFILE_H264_HIGH_422_INTRA:
case FF_PROFILE_H264_HIGH_444:
case FF_PROFILE_H264_HIGH_444_PREDICTIVE:
case FF_PROFILE_H264_HIGH_444_INTRA:
case FF_PROFILE_H264_CAVLC_444:
av_log(avctx, AV_LOG_ERROR, "H.264 non-4:2:0 profiles "
"are not supported.\n");
return AVERROR_PATCHWELCOME;
default:
av_log(avctx, AV_LOG_ERROR, "Unknown H.264 profile %d.\n",
avctx->profile);
return AVERROR(EINVAL);
}
if (opt->low_power) {
#if VA_CHECK_VERSION(0, 39, 1)
ctx->va_entrypoint = VAEntrypointEncSliceLP;
#else
av_log(avctx, AV_LOG_ERROR, "Low-power encoding is not "
"supported with this VAAPI version.\n");
return AVERROR(EINVAL);
#endif
} else {
ctx->va_entrypoint = VAEntrypointEncSlice;
}
ctx->input_width = avctx->width;
ctx->input_height = avctx->height;
ctx->aligned_width = FFALIGN(ctx->input_width, 16);
ctx->aligned_height = FFALIGN(ctx->input_height, 16);
priv->mb_width = ctx->aligned_width / 16;
priv->mb_height = ctx->aligned_height / 16;
for (i = 0; i < FF_ARRAY_ELEMS(default_config_attributes); i++) {
ctx->config_attributes[ctx->nb_config_attributes++] =
default_config_attributes[i];
}
if (avctx->bit_rate > 0) {
ctx->va_rc_mode = VA_RC_CBR;
err = vaapi_encode_h264_init_constant_bitrate(avctx);
} else {
ctx->va_rc_mode = VA_RC_CQP;
err = vaapi_encode_h264_init_fixed_qp(avctx);
}
if (err < 0)
return err;
ctx->config_attributes[ctx->nb_config_attributes++] = (VAConfigAttrib) {
.type = VAConfigAttribRateControl,
.value = ctx->va_rc_mode,
};
if (opt->quality > 0) {
#if VA_CHECK_VERSION(0, 36, 0)
priv->quality_params.misc.type =
VAEncMiscParameterTypeQualityLevel;
priv->quality_params.quality.quality_level = opt->quality;
ctx->global_params[ctx->nb_global_params] =
&priv->quality_params.misc;
ctx->global_params_size[ctx->nb_global_params++] =
sizeof(priv->quality_params);
#else
av_log(avctx, AV_LOG_WARNING, "The encode quality option is not "
"supported with this VAAPI version.\n");
#endif
}
ctx->nb_recon_frames = 20;
return 0;
}
| 10,514 |
FFmpeg | 93db2708d3b0bcc1f1d87d23ae8adbedd8ea6660 | 1 | static void do_video_out(AVFormatContext *s,
OutputStream *ost,
AVFrame *next_picture,
double sync_ipts)
{
int ret, format_video_sync;
AVPacket pkt;
AVCodecContext *enc = ost->enc_ctx;
AVCodecContext *mux_enc = ost->st->codec;
int nb_frames, nb0_frames, i;
double delta, delta0;
double duration = 0;
int frame_size = 0;
InputStream *ist = NULL;
AVFilterContext *filter = ost->filter->filter;
if (ost->source_index >= 0)
ist = input_streams[ost->source_index];
if (filter->inputs[0]->frame_rate.num > 0 &&
filter->inputs[0]->frame_rate.den > 0)
duration = 1/(av_q2d(filter->inputs[0]->frame_rate) * av_q2d(enc->time_base));
if(ist && ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE && ost->frame_rate.num)
duration = FFMIN(duration, 1/(av_q2d(ost->frame_rate) * av_q2d(enc->time_base)));
if (!ost->filters_script &&
!ost->filters &&
next_picture &&
ist &&
lrintf(av_frame_get_pkt_duration(next_picture) * av_q2d(ist->st->time_base) / av_q2d(enc->time_base)) > 0) {
duration = lrintf(av_frame_get_pkt_duration(next_picture) * av_q2d(ist->st->time_base) / av_q2d(enc->time_base));
}
if (!next_picture) {
//end, flushing
nb0_frames = nb_frames = mid_pred(ost->last_nb0_frames[0],
ost->last_nb0_frames[1],
ost->last_nb0_frames[2]);
} else {
delta0 = sync_ipts - ost->sync_opts;
delta = delta0 + duration;
/* by default, we output a single frame */
nb0_frames = 0;
nb_frames = 1;
format_video_sync = video_sync_method;
if (format_video_sync == VSYNC_AUTO) {
if(!strcmp(s->oformat->name, "avi")) {
format_video_sync = VSYNC_VFR;
} else
format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : VSYNC_CFR;
if ( ist
&& format_video_sync == VSYNC_CFR
&& input_files[ist->file_index]->ctx->nb_streams == 1
&& input_files[ist->file_index]->input_ts_offset == 0) {
format_video_sync = VSYNC_VSCFR;
}
if (format_video_sync == VSYNC_CFR && copy_ts) {
format_video_sync = VSYNC_VSCFR;
}
}
if (delta0 < 0 &&
delta > 0 &&
format_video_sync != VSYNC_PASSTHROUGH &&
format_video_sync != VSYNC_DROP) {
double cor = FFMIN(-delta0, duration);
if (delta0 < -0.6) {
av_log(NULL, AV_LOG_WARNING, "Past duration %f too large\n", -delta0);
} else
av_log(NULL, AV_LOG_DEBUG, "Cliping frame in rate conversion by %f\n", -delta0);
sync_ipts += cor;
duration -= cor;
delta0 += cor;
}
switch (format_video_sync) {
case VSYNC_VSCFR:
if (ost->frame_number == 0 && delta - duration >= 0.5) {
av_log(NULL, AV_LOG_DEBUG, "Not duplicating %d initial frames\n", (int)lrintf(delta - duration));
delta = duration;
delta0 = 0;
ost->sync_opts = lrint(sync_ipts);
}
case VSYNC_CFR:
// FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
if (frame_drop_threshold && delta < frame_drop_threshold && ost->frame_number) {
nb_frames = 0;
} else if (delta < -1.1)
nb_frames = 0;
else if (delta > 1.1) {
nb_frames = lrintf(delta);
if (delta0 > 1.1)
nb0_frames = lrintf(delta0 - 0.6);
}
break;
case VSYNC_VFR:
if (delta <= -0.6)
nb_frames = 0;
else if (delta > 0.6)
ost->sync_opts = lrint(sync_ipts);
break;
case VSYNC_DROP:
case VSYNC_PASSTHROUGH:
ost->sync_opts = lrint(sync_ipts);
break;
default:
av_assert0(0);
}
}
nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
nb0_frames = FFMIN(nb0_frames, nb_frames);
memmove(ost->last_nb0_frames + 1,
ost->last_nb0_frames,
sizeof(ost->last_nb0_frames[0]) * (FF_ARRAY_ELEMS(ost->last_nb0_frames) - 1));
ost->last_nb0_frames[0] = nb0_frames;
if (nb0_frames == 0 && ost->last_droped) {
nb_frames_drop++;
av_log(NULL, AV_LOG_VERBOSE,
"*** dropping frame %d from stream %d at ts %"PRId64"\n",
ost->frame_number, ost->st->index, ost->last_frame->pts);
}
if (nb_frames > (nb0_frames && ost->last_droped) + (nb_frames > nb0_frames)) {
if (nb_frames > dts_error_threshold * 30) {
av_log(NULL, AV_LOG_ERROR, "%d frame duplication too large, skipping\n", nb_frames - 1);
nb_frames_drop++;
}
nb_frames_dup += nb_frames - (nb0_frames && ost->last_droped) - (nb_frames > nb0_frames);
av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
}
ost->last_droped = nb_frames == nb0_frames && next_picture;
/* duplicates frame if needed */
for (i = 0; i < nb_frames; i++) {
AVFrame *in_picture;
av_init_packet(&pkt);
pkt.data = NULL;
pkt.size = 0;
if (i < nb0_frames && ost->last_frame) {
in_picture = ost->last_frame;
} else
in_picture = next_picture;
in_picture->pts = ost->sync_opts;
#if 1
if (!check_recording_time(ost))
#else
if (ost->frame_number >= ost->max_frames)
#endif
if (s->oformat->flags & AVFMT_RAWPICTURE &&
enc->codec->id == AV_CODEC_ID_RAWVIDEO) {
/* raw pictures are written as AVPicture structure to
avoid any copies. We support temporarily the older
method. */
if (in_picture->interlaced_frame)
mux_enc->field_order = in_picture->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
else
mux_enc->field_order = AV_FIELD_PROGRESSIVE;
pkt.data = (uint8_t *)in_picture;
pkt.size = sizeof(AVPicture);
pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
pkt.flags |= AV_PKT_FLAG_KEY;
write_frame(s, &pkt, ost);
} else {
int got_packet, forced_keyframe = 0;
double pts_time;
if (enc->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME) &&
ost->top_field_first >= 0)
in_picture->top_field_first = !!ost->top_field_first;
if (in_picture->interlaced_frame) {
if (enc->codec->id == AV_CODEC_ID_MJPEG)
mux_enc->field_order = in_picture->top_field_first ? AV_FIELD_TT:AV_FIELD_BB;
else
mux_enc->field_order = in_picture->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
} else
mux_enc->field_order = AV_FIELD_PROGRESSIVE;
in_picture->quality = enc->global_quality;
in_picture->pict_type = 0;
pts_time = in_picture->pts != AV_NOPTS_VALUE ?
in_picture->pts * av_q2d(enc->time_base) : NAN;
if (ost->forced_kf_index < ost->forced_kf_count &&
in_picture->pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
ost->forced_kf_index++;
forced_keyframe = 1;
} else if (ost->forced_keyframes_pexpr) {
double res;
ost->forced_keyframes_expr_const_values[FKF_T] = pts_time;
res = av_expr_eval(ost->forced_keyframes_pexpr,
ost->forced_keyframes_expr_const_values, NULL);
av_dlog(NULL, "force_key_frame: n:%f n_forced:%f prev_forced_n:%f t:%f prev_forced_t:%f -> res:%f\n",
ost->forced_keyframes_expr_const_values[FKF_N],
ost->forced_keyframes_expr_const_values[FKF_N_FORCED],
ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N],
ost->forced_keyframes_expr_const_values[FKF_T],
ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T],
res);
if (res) {
forced_keyframe = 1;
ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] =
ost->forced_keyframes_expr_const_values[FKF_N];
ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] =
ost->forced_keyframes_expr_const_values[FKF_T];
ost->forced_keyframes_expr_const_values[FKF_N_FORCED] += 1;
}
ost->forced_keyframes_expr_const_values[FKF_N] += 1;
}
if (forced_keyframe) {
in_picture->pict_type = AV_PICTURE_TYPE_I;
av_log(NULL, AV_LOG_DEBUG, "Forced keyframe at time %f\n", pts_time);
}
update_benchmark(NULL);
if (debug_ts) {
av_log(NULL, AV_LOG_INFO, "encoder <- type:video "
"frame_pts:%s frame_pts_time:%s time_base:%d/%d\n",
av_ts2str(in_picture->pts), av_ts2timestr(in_picture->pts, &enc->time_base),
enc->time_base.num, enc->time_base.den);
}
ost->frames_encoded++;
ret = avcodec_encode_video2(enc, &pkt, in_picture, &got_packet);
update_benchmark("encode_video %d.%d", ost->file_index, ost->index);
if (ret < 0) {
av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
exit_program(1);
}
if (got_packet) {
if (debug_ts) {
av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
"pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &enc->time_base),
av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &enc->time_base));
}
if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & CODEC_CAP_DELAY))
pkt.pts = ost->sync_opts;
av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
if (debug_ts) {
av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
"pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
}
frame_size = pkt.size;
write_frame(s, &pkt, ost);
/* if two pass, output log */
if (ost->logfile && enc->stats_out) {
fprintf(ost->logfile, "%s", enc->stats_out);
}
}
}
ost->sync_opts++;
/*
* For video, number of frames in == number of packets out.
* But there may be reordering, so we can't throw away frames on encoder
* flush, we need to limit them here, before they go into encoder.
*/
ost->frame_number++;
if (vstats_filename && frame_size)
do_video_stats(ost, frame_size);
}
if (!ost->last_frame)
ost->last_frame = av_frame_alloc();
av_frame_unref(ost->last_frame);
if (next_picture)
av_frame_ref(ost->last_frame, next_picture);
} | 10,515 |
qemu | c6d34865fa02463cf34634f45369ebcc725b101b | 1 | static int dmg_read_mish_block(BDRVDMGState *s, DmgHeaderState *ds,
uint8_t *buffer, uint32_t count)
{
uint32_t type, i;
int ret;
size_t new_size;
uint32_t chunk_count;
int64_t offset = 0;
type = buff_read_uint32(buffer, offset);
/* skip data that is not a valid MISH block (invalid magic or too small) */
if (type != 0x6d697368 || count < 244) {
/* assume success for now */
return 0;
}
offset += 4;
offset += 200;
chunk_count = (count - 204) / 40;
new_size = sizeof(uint64_t) * (s->n_chunks + chunk_count);
s->types = g_realloc(s->types, new_size / 2);
s->offsets = g_realloc(s->offsets, new_size);
s->lengths = g_realloc(s->lengths, new_size);
s->sectors = g_realloc(s->sectors, new_size);
s->sectorcounts = g_realloc(s->sectorcounts, new_size);
for (i = s->n_chunks; i < s->n_chunks + chunk_count; i++) {
s->types[i] = buff_read_uint32(buffer, offset);
offset += 4;
if (s->types[i] != 0x80000005 && s->types[i] != 1 &&
s->types[i] != 2) {
if (s->types[i] == 0xffffffff && i > 0) {
ds->last_in_offset = s->offsets[i - 1] + s->lengths[i - 1];
ds->last_out_offset = s->sectors[i - 1] +
s->sectorcounts[i - 1];
}
chunk_count--;
i--;
offset += 36;
continue;
}
offset += 4;
s->sectors[i] = buff_read_uint64(buffer, offset);
s->sectors[i] += ds->last_out_offset;
offset += 8;
s->sectorcounts[i] = buff_read_uint64(buffer, offset);
offset += 8;
if (s->sectorcounts[i] > DMG_SECTORCOUNTS_MAX) {
error_report("sector count %" PRIu64 " for chunk %" PRIu32
" is larger than max (%u)",
s->sectorcounts[i], i, DMG_SECTORCOUNTS_MAX);
ret = -EINVAL;
goto fail;
}
s->offsets[i] = buff_read_uint64(buffer, offset);
s->offsets[i] += ds->last_in_offset;
offset += 8;
s->lengths[i] = buff_read_uint64(buffer, offset);
offset += 8;
if (s->lengths[i] > DMG_LENGTHS_MAX) {
error_report("length %" PRIu64 " for chunk %" PRIu32
" is larger than max (%u)",
s->lengths[i], i, DMG_LENGTHS_MAX);
ret = -EINVAL;
goto fail;
}
update_max_chunk_size(s, i, &ds->max_compressed_size,
&ds->max_sectors_per_chunk);
}
s->n_chunks += chunk_count;
return 0;
fail:
return ret;
}
| 10,516 |
FFmpeg | 478f1c3d5e5463a284ea7efecfc62d47ba3be11a | 1 | static int png_decode_idat(PNGDecContext *s, int length)
{
int ret;
s->zstream.avail_in = FFMIN(length, bytestream2_get_bytes_left(&s->gb));
s->zstream.next_in = (unsigned char *)s->gb.buffer;
bytestream2_skip(&s->gb, length);
/* decode one line if possible */
while (s->zstream.avail_in > 0) {
ret = inflate(&s->zstream, Z_PARTIAL_FLUSH);
if (ret != Z_OK && ret != Z_STREAM_END) {
av_log(s->avctx, AV_LOG_ERROR, "inflate returned error %d\n", ret);
return AVERROR_EXTERNAL;
}
if (s->zstream.avail_out == 0) {
if (!(s->state & PNG_ALLIMAGE)) {
png_handle_row(s);
}
s->zstream.avail_out = s->crow_size;
s->zstream.next_out = s->crow_buf;
}
if (ret == Z_STREAM_END && s->zstream.avail_in > 0) {
av_log(NULL, AV_LOG_WARNING,
"%d undecompressed bytes left in buffer\n", s->zstream.avail_in);
return 0;
}
}
return 0;
}
| 10,517 |
qemu | 38f3adc34de83bf75d2023831dc520d32568a2d9 | 1 | FWCfgState *fw_cfg_init_io_dma(uint32_t iobase, uint32_t dma_iobase,
AddressSpace *dma_as)
{
DeviceState *dev;
SysBusDevice *sbd;
FWCfgIoState *ios;
FWCfgState *s;
bool dma_requested = dma_iobase && dma_as;
dev = qdev_create(NULL, TYPE_FW_CFG_IO);
if (!dma_requested) {
qdev_prop_set_bit(dev, "dma_enabled", false);
}
fw_cfg_init1(dev);
sbd = SYS_BUS_DEVICE(dev);
ios = FW_CFG_IO(dev);
sysbus_add_io(sbd, iobase, &ios->comb_iomem);
s = FW_CFG(dev);
if (s->dma_enabled) {
/* 64 bits for the address field */
s->dma_as = dma_as;
s->dma_addr = 0;
sysbus_add_io(sbd, dma_iobase, &s->dma_iomem);
}
return s;
}
| 10,518 |
FFmpeg | 582368626188c070d4300913c6da5efa4c24cfb2 | 1 | static int mpeg_decode_frame(AVCodecContext *avctx,
void *data, int *got_output,
AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
Mpeg1Context *s = avctx->priv_data;
AVFrame *picture = data;
MpegEncContext *s2 = &s->mpeg_enc_ctx;
av_dlog(avctx, "fill_buffer\n");
if (buf_size == 0 || (buf_size == 4 && AV_RB32(buf) == SEQ_END_CODE)) {
/* special case for last picture */
if (s2->low_delay == 0 && s2->next_picture_ptr) {
*picture = s2->next_picture_ptr->f;
s2->next_picture_ptr = NULL;
*got_output = 1;
}
return buf_size;
}
if (s2->flags & CODEC_FLAG_TRUNCATED) {
int next = ff_mpeg1_find_frame_end(&s2->parse_context, buf, buf_size, NULL);
if (ff_combine_frame(&s2->parse_context, next, (const uint8_t **)&buf, &buf_size) < 0)
return buf_size;
}
if (s->mpeg_enc_ctx_allocated == 0 && avctx->codec_tag == AV_RL32("VCR2"))
vcr2_init_sequence(avctx);
s->slice_count = 0;
if (avctx->extradata && !avctx->frame_number) {
int ret = decode_chunks(avctx, picture, got_output, avctx->extradata, avctx->extradata_size);
if (ret < 0 && (avctx->err_recognition & AV_EF_EXPLODE))
return ret;
}
return decode_chunks(avctx, picture, got_output, buf, buf_size);
}
| 10,519 |
FFmpeg | 92dad6687f59a6e599834218626e524eb8a5bdae | 1 | av_cold void ff_fft_fixed_init_arm(FFTContext *s)
{
int cpu_flags = av_get_cpu_flags();
if (have_neon(cpu_flags)) {
s->fft_permutation = FF_FFT_PERM_SWAP_LSBS;
s->fft_calc = ff_fft_fixed_calc_neon;
#if CONFIG_MDCT
if (!s->inverse && s->mdct_bits >= 5) {
s->mdct_permutation = FF_MDCT_PERM_INTERLEAVE;
s->mdct_calc = ff_mdct_fixed_calc_neon;
s->mdct_calcw = ff_mdct_fixed_calcw_neon;
}
#endif
}
}
| 10,521 |
qemu | c2b38b277a7882a592f4f2ec955084b2b756daaa | 0 | static bool timer_expired_ns(QEMUTimer *timer_head, int64_t current_time)
{
return timer_head && (timer_head->expire_time <= current_time);
}
| 10,523 |
qemu | 872ea0c098f63a36de8c49eb2cf348cd111292b9 | 0 | void syscall_init(void)
{
IOCTLEntry *ie;
const argtype *arg_type;
int size;
int i;
#define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
#include "syscall_types.h"
#undef STRUCT
#undef STRUCT_SPECIAL
/* we patch the ioctl size if necessary. We rely on the fact that
no ioctl has all the bits at '1' in the size field */
ie = ioctl_entries;
while (ie->target_cmd != 0) {
if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
TARGET_IOC_SIZEMASK) {
arg_type = ie->arg_type;
if (arg_type[0] != TYPE_PTR) {
fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
ie->target_cmd);
exit(1);
}
arg_type++;
size = thunk_type_size(arg_type, 0);
ie->target_cmd = (ie->target_cmd &
~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
(size << TARGET_IOC_SIZESHIFT);
}
/* Build target_to_host_errno_table[] table from
* host_to_target_errno_table[]. */
for (i=0; i < ERRNO_TABLE_SIZE; i++)
target_to_host_errno_table[host_to_target_errno_table[i]] = i;
/* automatic consistency check if same arch */
#if defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)
if (ie->target_cmd != ie->host_cmd) {
fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n",
ie->target_cmd, ie->host_cmd);
}
#endif
ie++;
}
}
| 10,524 |
qemu | d0d7708ba29cbcc343364a46bff981e0ff88366f | 0 | static CharDriverState *qemu_chr_open_stdio(const char *id,
ChardevBackend *backend,
ChardevReturn *ret,
Error **errp)
{
ChardevStdio *opts = backend->u.stdio;
CharDriverState *chr;
struct sigaction act;
if (is_daemonized()) {
error_setg(errp, "cannot use stdio with -daemonize");
return NULL;
}
if (stdio_in_use) {
error_setg(errp, "cannot use stdio by multiple character devices");
return NULL;
}
stdio_in_use = true;
old_fd0_flags = fcntl(0, F_GETFL);
tcgetattr(0, &oldtty);
qemu_set_nonblock(0);
atexit(term_exit);
memset(&act, 0, sizeof(act));
act.sa_handler = term_stdio_handler;
sigaction(SIGCONT, &act, NULL);
chr = qemu_chr_open_fd(0, 1);
chr->chr_close = qemu_chr_close_stdio;
chr->chr_set_echo = qemu_chr_set_echo_stdio;
if (opts->has_signal) {
stdio_allow_signal = opts->signal;
}
qemu_chr_fe_set_echo(chr, false);
return chr;
}
| 10,525 |
qemu | de9e9d9f17a36ff76c1a02a5348835e5e0a081b0 | 0 | static inline void gen_op_eval_bg(TCGv dst, TCGv_i32 src)
{
gen_mov_reg_N(cpu_tmp0, src);
gen_mov_reg_V(dst, src);
tcg_gen_xor_tl(dst, dst, cpu_tmp0);
gen_mov_reg_Z(cpu_tmp0, src);
tcg_gen_or_tl(dst, dst, cpu_tmp0);
tcg_gen_xori_tl(dst, dst, 0x1);
}
| 10,526 |
qemu | 0ac7cc2af500b948510f2481c22e84a57b0a2447 | 0 | START_TEST(qstring_destroy_test)
{
QString *qstring = qstring_from_str("destroy test");
QDECREF(qstring);
}
| 10,527 |
FFmpeg | f77fd34bc34c93a555eee99226d01d947d02a2a3 | 0 | static av_cold int aac_decode_init(AVCodecContext *avctx)
{
AACContext *ac = avctx->priv_data;
float output_scale_factor;
ac->avctx = avctx;
ac->oc[1].m4ac.sample_rate = avctx->sample_rate;
if (avctx->extradata_size > 0) {
if (decode_audio_specific_config(ac, ac->avctx, &ac->oc[1].m4ac,
avctx->extradata,
avctx->extradata_size*8, 1) < 0)
return -1;
} else {
int sr, i;
uint8_t layout_map[MAX_ELEM_ID*4][3];
int layout_map_tags;
sr = sample_rate_idx(avctx->sample_rate);
ac->oc[1].m4ac.sampling_index = sr;
ac->oc[1].m4ac.channels = avctx->channels;
ac->oc[1].m4ac.sbr = -1;
ac->oc[1].m4ac.ps = -1;
for (i = 0; i < FF_ARRAY_ELEMS(ff_mpeg4audio_channels); i++)
if (ff_mpeg4audio_channels[i] == avctx->channels)
break;
if (i == FF_ARRAY_ELEMS(ff_mpeg4audio_channels)) {
i = 0;
}
ac->oc[1].m4ac.chan_config = i;
if (ac->oc[1].m4ac.chan_config) {
int ret = set_default_channel_config(avctx, layout_map,
&layout_map_tags, ac->oc[1].m4ac.chan_config);
if (!ret)
output_configure(ac, layout_map, layout_map_tags,
ac->oc[1].m4ac.chan_config, OC_GLOBAL_HDR);
else if (avctx->err_recognition & AV_EF_EXPLODE)
return AVERROR_INVALIDDATA;
}
}
if (avctx->request_sample_fmt == AV_SAMPLE_FMT_FLT) {
avctx->sample_fmt = AV_SAMPLE_FMT_FLT;
output_scale_factor = 1.0 / 32768.0;
} else {
avctx->sample_fmt = AV_SAMPLE_FMT_S16;
output_scale_factor = 1.0;
}
AAC_INIT_VLC_STATIC( 0, 304);
AAC_INIT_VLC_STATIC( 1, 270);
AAC_INIT_VLC_STATIC( 2, 550);
AAC_INIT_VLC_STATIC( 3, 300);
AAC_INIT_VLC_STATIC( 4, 328);
AAC_INIT_VLC_STATIC( 5, 294);
AAC_INIT_VLC_STATIC( 6, 306);
AAC_INIT_VLC_STATIC( 7, 268);
AAC_INIT_VLC_STATIC( 8, 510);
AAC_INIT_VLC_STATIC( 9, 366);
AAC_INIT_VLC_STATIC(10, 462);
ff_aac_sbr_init();
ff_dsputil_init(&ac->dsp, avctx);
ff_fmt_convert_init(&ac->fmt_conv, avctx);
avpriv_float_dsp_init(&ac->fdsp, avctx->flags & CODEC_FLAG_BITEXACT);
ac->random_state = 0x1f2e3d4c;
ff_aac_tableinit();
INIT_VLC_STATIC(&vlc_scalefactors,7,FF_ARRAY_ELEMS(ff_aac_scalefactor_code),
ff_aac_scalefactor_bits, sizeof(ff_aac_scalefactor_bits[0]), sizeof(ff_aac_scalefactor_bits[0]),
ff_aac_scalefactor_code, sizeof(ff_aac_scalefactor_code[0]), sizeof(ff_aac_scalefactor_code[0]),
352);
ff_mdct_init(&ac->mdct, 11, 1, output_scale_factor/1024.0);
ff_mdct_init(&ac->mdct_small, 8, 1, output_scale_factor/128.0);
ff_mdct_init(&ac->mdct_ltp, 11, 0, -2.0/output_scale_factor);
// window initialization
ff_kbd_window_init(ff_aac_kbd_long_1024, 4.0, 1024);
ff_kbd_window_init(ff_aac_kbd_short_128, 6.0, 128);
ff_init_ff_sine_windows(10);
ff_init_ff_sine_windows( 7);
cbrt_tableinit();
avcodec_get_frame_defaults(&ac->frame);
avctx->coded_frame = &ac->frame;
return 0;
}
| 10,528 |
qemu | 0fb6395c0cb5046432a80d608ddde7a3b2f8a9ae | 0 | static void test_validate_union_anon(TestInputVisitorData *data,
const void *unused)
{
UserDefAnonUnion *tmp = NULL;
Visitor *v;
Error *errp = NULL;
v = validate_test_init(data, "42");
visit_type_UserDefAnonUnion(v, &tmp, NULL, &errp);
g_assert(!error_is_set(&errp));
qapi_free_UserDefAnonUnion(tmp);
}
| 10,529 |
qemu | 32bafa8fdd098d52fbf1102d5a5e48d29398c0aa | 0 | int qemu_input_key_value_to_qcode(const KeyValue *value)
{
if (value->type == KEY_VALUE_KIND_QCODE) {
return value->u.qcode;
} else {
assert(value->type == KEY_VALUE_KIND_NUMBER);
return qemu_input_key_number_to_qcode(value->u.number);
}
}
| 10,530 |
qemu | 56943e8cc14b7eeeab67d1942fa5d8bcafe3e53f | 0 | void tcg_cpu_address_space_init(CPUState *cpu, AddressSpace *as)
{
/* We only support one address space per cpu at the moment. */
assert(cpu->as == as);
if (cpu->cpu_ases) {
/* We've already registered the listener for our only AS */
return;
}
cpu->cpu_ases = g_new0(CPUAddressSpace, 1);
cpu->cpu_ases[0].cpu = cpu;
cpu->cpu_ases[0].as = as;
cpu->cpu_ases[0].tcg_as_listener.commit = tcg_commit;
memory_listener_register(&cpu->cpu_ases[0].tcg_as_listener, as);
}
| 10,531 |
qemu | 29560a6cb7a7a705de3d7dfb44e8b1c0a12ad37d | 0 | static struct iovec *lock_iovec(int type, abi_ulong target_addr,
int count, int copy)
{
struct target_iovec *target_vec;
struct iovec *vec;
abi_ulong total_len, max_len;
int i;
int err = 0;
if (count == 0) {
errno = 0;
return NULL;
}
if (count < 0 || count > IOV_MAX) {
errno = EINVAL;
return NULL;
}
vec = calloc(count, sizeof(struct iovec));
if (vec == NULL) {
errno = ENOMEM;
return NULL;
}
target_vec = lock_user(VERIFY_READ, target_addr,
count * sizeof(struct target_iovec), 1);
if (target_vec == NULL) {
err = EFAULT;
goto fail2;
}
/* ??? If host page size > target page size, this will result in a
value larger than what we can actually support. */
max_len = 0x7fffffff & TARGET_PAGE_MASK;
total_len = 0;
for (i = 0; i < count; i++) {
abi_ulong base = tswapal(target_vec[i].iov_base);
abi_long len = tswapal(target_vec[i].iov_len);
if (len < 0) {
err = EINVAL;
goto fail;
} else if (len == 0) {
/* Zero length pointer is ignored. */
vec[i].iov_base = 0;
} else {
vec[i].iov_base = lock_user(type, base, len, copy);
if (!vec[i].iov_base) {
err = EFAULT;
goto fail;
}
if (len > max_len - total_len) {
len = max_len - total_len;
}
}
vec[i].iov_len = len;
total_len += len;
}
unlock_user(target_vec, target_addr, 0);
return vec;
fail:
unlock_user(target_vec, target_addr, 0);
fail2:
free(vec);
errno = err;
return NULL;
}
| 10,532 |
qemu | 203d65a4706be345c209f3408d3a011a3e48f0c9 | 0 | static void imx_gpt_compute_next_timeout(IMXGPTState *s, bool event)
{
uint32_t timeout = TIMER_MAX;
uint32_t count = 0;
long long limit;
if (!(s->cr & GPT_CR_EN)) {
/* if not enabled just return */
return;
}
if (event) {
/* This is a timer event */
if ((s->cr & GPT_CR_FRR) && (s->next_timeout != TIMER_MAX)) {
/*
* if we are in free running mode and we have not reached
* the TIMER_MAX limit, then update the count
*/
count = imx_gpt_update_count(s);
}
} else {
/* not a timer event, then just update the count */
count = imx_gpt_update_count(s);
}
/* now, find the next timeout related to count */
if (s->ir & GPT_IR_OF1IE) {
timeout = imx_gpt_find_limit(count, s->ocr1, timeout);
}
if (s->ir & GPT_IR_OF2IE) {
timeout = imx_gpt_find_limit(count, s->ocr2, timeout);
}
if (s->ir & GPT_IR_OF3IE) {
timeout = imx_gpt_find_limit(count, s->ocr3, timeout);
}
/* find the next set of interrupts to raise for next timer event */
s->next_int = 0;
if ((s->ir & GPT_IR_OF1IE) && (timeout == s->ocr1)) {
s->next_int |= GPT_SR_OF1;
}
if ((s->ir & GPT_IR_OF2IE) && (timeout == s->ocr2)) {
s->next_int |= GPT_SR_OF2;
}
if ((s->ir & GPT_IR_OF3IE) && (timeout == s->ocr3)) {
s->next_int |= GPT_SR_OF3;
}
if ((s->ir & GPT_IR_ROVIE) && (timeout == TIMER_MAX)) {
s->next_int |= GPT_SR_ROV;
}
/* the new range to count down from */
limit = timeout - imx_gpt_update_count(s);
if (limit < 0) {
/*
* if we reach here, then QEMU is running too slow and we pass the
* timeout limit while computing it. Let's deliver the interrupt
* and compute a new limit.
*/
s->sr |= s->next_int;
imx_gpt_compute_next_timeout(s, event);
imx_gpt_update_int(s);
} else {
/* New timeout value */
s->next_timeout = timeout;
/* reset the limit to the computed range */
ptimer_set_limit(s->timer, limit, 1);
}
}
| 10,533 |
qemu | 62be4e3a5041e84304aa23637da623a205c53ecc | 0 | ram_addr_t qemu_ram_alloc(ram_addr_t size, MemoryRegion *mr, Error **errp)
{
return qemu_ram_alloc_from_ptr(size, NULL, mr, errp);
}
| 10,534 |
qemu | 7a0e58fa648736a75f2a6943afd2ab08ea15b8e0 | 0 | bool write_list_to_cpustate(ARMCPU *cpu)
{
int i;
bool ok = true;
for (i = 0; i < cpu->cpreg_array_len; i++) {
uint32_t regidx = kvm_to_cpreg_id(cpu->cpreg_indexes[i]);
uint64_t v = cpu->cpreg_values[i];
const ARMCPRegInfo *ri;
ri = get_arm_cp_reginfo(cpu->cp_regs, regidx);
if (!ri) {
ok = false;
continue;
}
if (ri->type & ARM_CP_NO_MIGRATE) {
continue;
}
/* Write value and confirm it reads back as written
* (to catch read-only registers and partially read-only
* registers where the incoming migration value doesn't match)
*/
write_raw_cp_reg(&cpu->env, ri, v);
if (read_raw_cp_reg(&cpu->env, ri) != v) {
ok = false;
}
}
return ok;
}
| 10,535 |
qemu | 2f21b8d431030bcb7478ee9521bdfd3d0ef3901d | 0 | static int trap_msix(S390PCIBusDevice *pbdev, uint64_t offset, uint8_t pcias)
{
if (pbdev->msix.available && pbdev->msix.table_bar == pcias &&
offset >= pbdev->msix.table_offset &&
offset <= pbdev->msix.table_offset +
(pbdev->msix.entries - 1) * PCI_MSIX_ENTRY_SIZE) {
return 1;
} else {
return 0;
}
}
| 10,536 |
qemu | 81ffbf5ab1458e357a761f1272105a55829b351e | 0 | static bool local_is_mapped_file_metadata(FsContext *fs_ctx, const char *name)
{
return !strcmp(name, VIRTFS_META_DIR);
}
| 10,537 |
qemu | ff047453f56713aa627e63aade1a9046ccd3bdfd | 0 | static void cpu_pre_save(void *opaque)
{
ARMCPU *cpu = opaque;
if (!write_cpustate_to_list(cpu)) {
/* This should never fail. */
abort();
}
cpu->cpreg_vmstate_array_len = cpu->cpreg_array_len;
memcpy(cpu->cpreg_vmstate_indexes, cpu->cpreg_indexes,
cpu->cpreg_array_len * sizeof(uint64_t));
memcpy(cpu->cpreg_vmstate_values, cpu->cpreg_values,
cpu->cpreg_array_len * sizeof(uint64_t));
}
| 10,538 |
qemu | 507563e85db880ff875f0a9498a1cf58a50cfad3 | 0 | static void gen_arith (CPUState *env, DisasContext *ctx, uint32_t opc,
int rd, int rs, int rt)
{
const char *opn = "arith";
TCGv t0 = tcg_temp_local_new(TCG_TYPE_TL);
TCGv t1 = tcg_temp_local_new(TCG_TYPE_TL);
if (rd == 0 && opc != OPC_ADD && opc != OPC_SUB
&& opc != OPC_DADD && opc != OPC_DSUB) {
/* If no destination, treat it as a NOP.
For add & sub, we must generate the overflow exception when needed. */
MIPS_DEBUG("NOP");
goto out;
}
gen_load_gpr(t0, rs);
/* Specialcase the conventional move operation. */
if (rt == 0 && (opc == OPC_ADDU || opc == OPC_DADDU
|| opc == OPC_SUBU || opc == OPC_DSUBU)) {
gen_store_gpr(t0, rd);
goto out;
}
gen_load_gpr(t1, rt);
switch (opc) {
case OPC_ADD:
{
TCGv r_tmp1 = tcg_temp_local_new(TCG_TYPE_TL);
TCGv r_tmp2 = tcg_temp_new(TCG_TYPE_TL);
int l1 = gen_new_label();
save_cpu_state(ctx, 1);
tcg_gen_ext32s_tl(r_tmp1, t0);
tcg_gen_ext32s_tl(r_tmp2, t1);
tcg_gen_add_tl(t0, r_tmp1, r_tmp2);
tcg_gen_xor_tl(r_tmp1, r_tmp1, t1);
tcg_gen_xori_tl(r_tmp1, r_tmp1, -1);
tcg_gen_xor_tl(r_tmp2, t0, t1);
tcg_gen_and_tl(r_tmp1, r_tmp1, r_tmp2);
tcg_temp_free(r_tmp2);
tcg_gen_shri_tl(r_tmp1, r_tmp1, 31);
tcg_gen_brcondi_tl(TCG_COND_EQ, r_tmp1, 0, l1);
tcg_temp_free(r_tmp1);
/* operands of same sign, result different sign */
generate_exception(ctx, EXCP_OVERFLOW);
gen_set_label(l1);
tcg_gen_ext32s_tl(t0, t0);
}
opn = "add";
break;
case OPC_ADDU:
tcg_gen_ext32s_tl(t0, t0);
tcg_gen_ext32s_tl(t1, t1);
tcg_gen_add_tl(t0, t0, t1);
tcg_gen_ext32s_tl(t0, t0);
opn = "addu";
break;
case OPC_SUB:
{
TCGv r_tmp1 = tcg_temp_local_new(TCG_TYPE_TL);
TCGv r_tmp2 = tcg_temp_new(TCG_TYPE_TL);
int l1 = gen_new_label();
save_cpu_state(ctx, 1);
tcg_gen_ext32s_tl(r_tmp1, t0);
tcg_gen_ext32s_tl(r_tmp2, t1);
tcg_gen_sub_tl(t0, r_tmp1, r_tmp2);
tcg_gen_xor_tl(r_tmp2, r_tmp1, t1);
tcg_gen_xor_tl(r_tmp1, r_tmp1, t0);
tcg_gen_and_tl(r_tmp1, r_tmp1, r_tmp2);
tcg_temp_free(r_tmp2);
tcg_gen_shri_tl(r_tmp1, r_tmp1, 31);
tcg_gen_brcondi_tl(TCG_COND_EQ, r_tmp1, 0, l1);
tcg_temp_free(r_tmp1);
/* operands of different sign, first operand and result different sign */
generate_exception(ctx, EXCP_OVERFLOW);
gen_set_label(l1);
tcg_gen_ext32s_tl(t0, t0);
}
opn = "sub";
break;
case OPC_SUBU:
tcg_gen_ext32s_tl(t0, t0);
tcg_gen_ext32s_tl(t1, t1);
tcg_gen_sub_tl(t0, t0, t1);
tcg_gen_ext32s_tl(t0, t0);
opn = "subu";
break;
#if defined(TARGET_MIPS64)
case OPC_DADD:
{
TCGv r_tmp1 = tcg_temp_local_new(TCG_TYPE_TL);
TCGv r_tmp2 = tcg_temp_new(TCG_TYPE_TL);
int l1 = gen_new_label();
save_cpu_state(ctx, 1);
tcg_gen_mov_tl(r_tmp1, t0);
tcg_gen_add_tl(t0, t0, t1);
tcg_gen_xor_tl(r_tmp1, r_tmp1, t1);
tcg_gen_xori_tl(r_tmp1, r_tmp1, -1);
tcg_gen_xor_tl(r_tmp2, t0, t1);
tcg_gen_and_tl(r_tmp1, r_tmp1, r_tmp2);
tcg_temp_free(r_tmp2);
tcg_gen_shri_tl(r_tmp1, r_tmp1, 63);
tcg_gen_brcondi_tl(TCG_COND_EQ, r_tmp1, 0, l1);
tcg_temp_free(r_tmp1);
/* operands of same sign, result different sign */
generate_exception(ctx, EXCP_OVERFLOW);
gen_set_label(l1);
}
opn = "dadd";
break;
case OPC_DADDU:
tcg_gen_add_tl(t0, t0, t1);
opn = "daddu";
break;
case OPC_DSUB:
{
TCGv r_tmp1 = tcg_temp_local_new(TCG_TYPE_TL);
TCGv r_tmp2 = tcg_temp_new(TCG_TYPE_TL);
int l1 = gen_new_label();
save_cpu_state(ctx, 1);
tcg_gen_mov_tl(r_tmp1, t0);
tcg_gen_sub_tl(t0, t0, t1);
tcg_gen_xor_tl(r_tmp2, r_tmp1, t1);
tcg_gen_xor_tl(r_tmp1, r_tmp1, t0);
tcg_gen_and_tl(r_tmp1, r_tmp1, r_tmp2);
tcg_temp_free(r_tmp2);
tcg_gen_shri_tl(r_tmp1, r_tmp1, 63);
tcg_gen_brcondi_tl(TCG_COND_EQ, r_tmp1, 0, l1);
tcg_temp_free(r_tmp1);
/* operands of different sign, first operand and result different sign */
generate_exception(ctx, EXCP_OVERFLOW);
gen_set_label(l1);
}
opn = "dsub";
break;
case OPC_DSUBU:
tcg_gen_sub_tl(t0, t0, t1);
opn = "dsubu";
break;
#endif
case OPC_SLT:
gen_op_lt(t0, t1);
opn = "slt";
break;
case OPC_SLTU:
gen_op_ltu(t0, t1);
opn = "sltu";
break;
case OPC_AND:
tcg_gen_and_tl(t0, t0, t1);
opn = "and";
break;
case OPC_NOR:
tcg_gen_or_tl(t0, t0, t1);
tcg_gen_not_tl(t0, t0);
opn = "nor";
break;
case OPC_OR:
tcg_gen_or_tl(t0, t0, t1);
opn = "or";
break;
case OPC_XOR:
tcg_gen_xor_tl(t0, t0, t1);
opn = "xor";
break;
case OPC_MUL:
tcg_gen_ext32s_tl(t0, t0);
tcg_gen_ext32s_tl(t1, t1);
tcg_gen_mul_tl(t0, t0, t1);
tcg_gen_ext32s_tl(t0, t0);
opn = "mul";
break;
case OPC_MOVN:
{
int l1 = gen_new_label();
tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
gen_store_gpr(t0, rd);
gen_set_label(l1);
}
opn = "movn";
goto print;
case OPC_MOVZ:
{
int l1 = gen_new_label();
tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1);
gen_store_gpr(t0, rd);
gen_set_label(l1);
}
opn = "movz";
goto print;
case OPC_SLLV:
tcg_gen_ext32u_tl(t0, t0);
tcg_gen_ext32u_tl(t1, t1);
tcg_gen_andi_tl(t0, t0, 0x1f);
tcg_gen_shl_tl(t0, t1, t0);
tcg_gen_ext32s_tl(t0, t0);
opn = "sllv";
break;
case OPC_SRAV:
tcg_gen_ext32s_tl(t1, t1);
tcg_gen_andi_tl(t0, t0, 0x1f);
tcg_gen_sar_tl(t0, t1, t0);
tcg_gen_ext32s_tl(t0, t0);
opn = "srav";
break;
case OPC_SRLV:
switch ((ctx->opcode >> 6) & 0x1f) {
case 0:
tcg_gen_ext32u_tl(t1, t1);
tcg_gen_andi_tl(t0, t0, 0x1f);
tcg_gen_shr_tl(t0, t1, t0);
tcg_gen_ext32s_tl(t0, t0);
opn = "srlv";
break;
case 1:
/* rotrv is decoded as srlv on non-R2 CPUs */
if (env->insn_flags & ISA_MIPS32R2) {
int l1 = gen_new_label();
int l2 = gen_new_label();
tcg_gen_andi_tl(t0, t0, 0x1f);
tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
{
TCGv r_tmp1 = tcg_temp_new(TCG_TYPE_I32);
TCGv r_tmp2 = tcg_temp_new(TCG_TYPE_I32);
tcg_gen_trunc_tl_i32(r_tmp1, t0);
tcg_gen_trunc_tl_i32(r_tmp2, t1);
tcg_gen_rotr_i32(r_tmp1, r_tmp1, r_tmp2);
tcg_temp_free(r_tmp1);
tcg_temp_free(r_tmp2);
tcg_gen_br(l2);
}
gen_set_label(l1);
tcg_gen_mov_tl(t0, t1);
gen_set_label(l2);
opn = "rotrv";
} else {
tcg_gen_ext32u_tl(t1, t1);
tcg_gen_andi_tl(t0, t0, 0x1f);
tcg_gen_shr_tl(t0, t1, t0);
tcg_gen_ext32s_tl(t0, t0);
opn = "srlv";
}
break;
default:
MIPS_INVAL("invalid srlv flag");
generate_exception(ctx, EXCP_RI);
break;
}
break;
#if defined(TARGET_MIPS64)
case OPC_DSLLV:
tcg_gen_andi_tl(t0, t0, 0x3f);
tcg_gen_shl_tl(t0, t1, t0);
opn = "dsllv";
break;
case OPC_DSRAV:
tcg_gen_andi_tl(t0, t0, 0x3f);
tcg_gen_sar_tl(t0, t1, t0);
opn = "dsrav";
break;
case OPC_DSRLV:
switch ((ctx->opcode >> 6) & 0x1f) {
case 0:
tcg_gen_andi_tl(t0, t0, 0x3f);
tcg_gen_shr_tl(t0, t1, t0);
opn = "dsrlv";
break;
case 1:
/* drotrv is decoded as dsrlv on non-R2 CPUs */
if (env->insn_flags & ISA_MIPS32R2) {
int l1 = gen_new_label();
int l2 = gen_new_label();
tcg_gen_andi_tl(t0, t0, 0x3f);
tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
{
tcg_gen_rotr_tl(t0, t1, t0);
tcg_gen_br(l2);
}
gen_set_label(l1);
tcg_gen_mov_tl(t0, t1);
gen_set_label(l2);
opn = "drotrv";
} else {
tcg_gen_andi_tl(t0, t0, 0x3f);
tcg_gen_shr_tl(t0, t1, t0);
opn = "dsrlv";
}
break;
default:
MIPS_INVAL("invalid dsrlv flag");
generate_exception(ctx, EXCP_RI);
break;
}
break;
#endif
default:
MIPS_INVAL(opn);
generate_exception(ctx, EXCP_RI);
goto out;
}
gen_store_gpr(t0, rd);
print:
MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
out:
tcg_temp_free(t0);
tcg_temp_free(t1);
}
| 10,540 |
qemu | 494a8ebe713055d3946183f4b395f85a18b43e9e | 0 | static int proxy_open2(FsContext *fs_ctx, V9fsPath *dir_path, const char *name,
int flags, FsCred *credp, V9fsFidOpenState *fs)
{
V9fsString fullname;
v9fs_string_init(&fullname);
v9fs_string_sprintf(&fullname, "%s/%s", dir_path->data, name);
fs->fd = v9fs_request(fs_ctx->private, T_CREATE, NULL, "sdddd",
&fullname, flags, credp->fc_mode,
credp->fc_uid, credp->fc_gid);
v9fs_string_free(&fullname);
if (fs->fd < 0) {
errno = -fs->fd;
fs->fd = -1;
}
return fs->fd;
}
| 10,541 |
qemu | b61359781958759317ee6fd1a45b59be0b7dbbe1 | 0 | void memory_region_add_subregion_overlap(MemoryRegion *mr,
hwaddr offset,
MemoryRegion *subregion,
int priority)
{
subregion->may_overlap = true;
subregion->priority = priority;
memory_region_add_subregion_common(mr, offset, subregion);
}
| 10,542 |
qemu | 0eb28a42284ec32e6f283985d2d638474a05eba4 | 0 | void hd_geometry_guess(BlockBackend *blk,
uint32_t *pcyls, uint32_t *pheads, uint32_t *psecs,
int *ptrans)
{
int cylinders, heads, secs, translation;
if (guess_disk_lchs(blk, &cylinders, &heads, &secs) < 0) {
/* no LCHS guess: use a standard physical disk geometry */
guess_chs_for_size(blk, pcyls, pheads, psecs);
translation = hd_bios_chs_auto_trans(*pcyls, *pheads, *psecs);
} else if (heads > 16) {
/* LCHS guess with heads > 16 means that a BIOS LBA
translation was active, so a standard physical disk
geometry is OK */
guess_chs_for_size(blk, pcyls, pheads, psecs);
translation = *pcyls * *pheads <= 131072
? BIOS_ATA_TRANSLATION_LARGE
: BIOS_ATA_TRANSLATION_LBA;
} else {
/* LCHS guess with heads <= 16: use as physical geometry */
*pcyls = cylinders;
*pheads = heads;
*psecs = secs;
/* disable any translation to be in sync with
the logical geometry */
translation = BIOS_ATA_TRANSLATION_NONE;
}
if (ptrans) {
*ptrans = translation;
}
trace_hd_geometry_guess(blk, *pcyls, *pheads, *psecs, translation);
}
| 10,543 |
qemu | 62112d181ca33fea976100c4335dfc3e2f727e6c | 0 | int net_init_vde(QemuOpts *opts, Monitor *mon, const char *name, VLANState *vlan)
{
const char *sock;
const char *group;
int port, mode;
sock = qemu_opt_get(opts, "sock");
group = qemu_opt_get(opts, "group");
port = qemu_opt_get_number(opts, "port", 0);
mode = qemu_opt_get_number(opts, "mode", 0700);
if (net_vde_init(vlan, "vde", name, sock, port, group, mode) == -1) {
return -1;
}
if (vlan) {
vlan->nb_host_devs++;
}
return 0;
}
| 10,544 |
FFmpeg | a38469e1da7b4829a2fba4279d8420a33f96832e | 0 | int read_ffserver_streams(AVFormatContext *s, const char *filename)
{
int i;
AVFormatContext *ic;
ic = av_open_input_file(filename, FFM_PACKET_SIZE);
if (!ic)
return -EIO;
/* copy stream format */
s->nb_streams = ic->nb_streams;
for(i=0;i<ic->nb_streams;i++) {
AVStream *st;
st = av_mallocz(sizeof(AVFormatContext));
memcpy(st, ic->streams[i], sizeof(AVStream));
s->streams[i] = st;
}
av_close_input_file(ic);
return 0;
}
| 10,545 |
FFmpeg | 27c7ca9c12bb42d5c44d46f24cd970469d0ef55a | 0 | void ff_restore_parser_state(AVFormatContext *s, AVParserState *state)
{
int i;
AVStream *st;
AVParserStreamState *ss;
ff_read_frame_flush(s);
if (!state)
return;
avio_seek(s->pb, state->fpos, SEEK_SET);
// copy context structures
s->cur_st = state->cur_st;
s->packet_buffer = state->packet_buffer;
s->raw_packet_buffer = state->raw_packet_buffer;
s->raw_packet_buffer_remaining_size = state->raw_packet_buffer_remaining_size;
// copy stream structures
for (i = 0; i < state->nb_streams; i++) {
st = s->streams[i];
ss = &state->stream_states[i];
st->parser = ss->parser;
st->last_IP_pts = ss->last_IP_pts;
st->cur_dts = ss->cur_dts;
st->reference_dts = ss->reference_dts;
st->cur_ptr = ss->cur_ptr;
st->cur_len = ss->cur_len;
st->probe_packets = ss->probe_packets;
st->cur_pkt = ss->cur_pkt;
}
av_free(state->stream_states);
av_free(state);
}
| 10,546 |
FFmpeg | e9e87822022fc81f92866f870ecedfd2f6272ac9 | 0 | int ff_img_read_header(AVFormatContext *s1)
{
VideoDemuxData *s = s1->priv_data;
int first_index = 1, last_index = 1;
AVStream *st;
enum AVPixelFormat pix_fmt = AV_PIX_FMT_NONE;
s1->ctx_flags |= AVFMTCTX_NOHEADER;
st = avformat_new_stream(s1, NULL);
if (!st) {
return AVERROR(ENOMEM);
}
if (s->pixel_format &&
(pix_fmt = av_get_pix_fmt(s->pixel_format)) == AV_PIX_FMT_NONE) {
av_log(s1, AV_LOG_ERROR, "No such pixel format: %s.\n",
s->pixel_format);
return AVERROR(EINVAL);
}
av_strlcpy(s->path, s1->filename, sizeof(s->path));
s->img_number = 0;
s->img_count = 0;
/* find format */
if (s1->iformat->flags & AVFMT_NOFILE)
s->is_pipe = 0;
else {
s->is_pipe = 1;
st->need_parsing = AVSTREAM_PARSE_FULL;
}
if (s->ts_from_file == 2) {
#if !HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC
av_log(s1, AV_LOG_ERROR, "POSIX.1-2008 not supported, nanosecond file timestamps unavailable\n");
return AVERROR(ENOSYS);
#endif
avpriv_set_pts_info(st, 64, 1, 1000000000);
} else if (s->ts_from_file)
avpriv_set_pts_info(st, 64, 1, 1);
else
avpriv_set_pts_info(st, 64, s->framerate.den, s->framerate.num);
if (s->width && s->height) {
st->codec->width = s->width;
st->codec->height = s->height;
}
if (!s->is_pipe) {
if (s->pattern_type == PT_GLOB_SEQUENCE) {
s->use_glob = is_glob(s->path);
if (s->use_glob) {
#if HAVE_GLOB
char *p = s->path, *q, *dup;
int gerr;
#endif
av_log(s1, AV_LOG_WARNING, "Pattern type 'glob_sequence' is deprecated: "
"use pattern_type 'glob' instead\n");
#if HAVE_GLOB
dup = q = av_strdup(p);
while (*q) {
/* Do we have room for the next char and a \ insertion? */
if ((p - s->path) >= (sizeof(s->path) - 2))
break;
if (*q == '%' && strspn(q + 1, "%*?[]{}"))
++q;
else if (strspn(q, "\\*?[]{}"))
*p++ = '\\';
*p++ = *q++;
}
*p = 0;
av_free(dup);
gerr = glob(s->path, GLOB_NOCHECK|GLOB_BRACE|GLOB_NOMAGIC, NULL, &s->globstate);
if (gerr != 0) {
return AVERROR(ENOENT);
}
first_index = 0;
last_index = s->globstate.gl_pathc - 1;
#endif
}
}
if ((s->pattern_type == PT_GLOB_SEQUENCE && !s->use_glob) || s->pattern_type == PT_SEQUENCE) {
if (find_image_range(&first_index, &last_index, s->path,
s->start_number, s->start_number_range) < 0) {
av_log(s1, AV_LOG_ERROR,
"Could find no file with path '%s' and index in the range %d-%d\n",
s->path, s->start_number, s->start_number + s->start_number_range - 1);
return AVERROR(ENOENT);
}
} else if (s->pattern_type == PT_GLOB) {
#if HAVE_GLOB
int gerr;
gerr = glob(s->path, GLOB_NOCHECK|GLOB_BRACE|GLOB_NOMAGIC, NULL, &s->globstate);
if (gerr != 0) {
return AVERROR(ENOENT);
}
first_index = 0;
last_index = s->globstate.gl_pathc - 1;
s->use_glob = 1;
#else
av_log(s1, AV_LOG_ERROR,
"Pattern type 'glob' was selected but globbing "
"is not supported by this libavformat build\n");
return AVERROR(ENOSYS);
#endif
} else if (s->pattern_type != PT_GLOB_SEQUENCE && s->pattern_type != PT_NONE) {
av_log(s1, AV_LOG_ERROR,
"Unknown value '%d' for pattern_type option\n", s->pattern_type);
return AVERROR(EINVAL);
}
s->img_first = first_index;
s->img_last = last_index;
s->img_number = first_index;
/* compute duration */
if (!s->ts_from_file) {
st->start_time = 0;
st->duration = last_index - first_index + 1;
}
}
if (s1->video_codec_id) {
st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
st->codec->codec_id = s1->video_codec_id;
} else if (s1->audio_codec_id) {
st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
st->codec->codec_id = s1->audio_codec_id;
} else if (s1->iformat->raw_codec_id) {
st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
st->codec->codec_id = s1->iformat->raw_codec_id;
} else {
const char *str = strrchr(s->path, '.');
s->split_planes = str && !av_strcasecmp(str + 1, "y");
st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
if (s1->pb) {
int probe_buffer_size = 2048;
uint8_t *probe_buffer = av_realloc(NULL, probe_buffer_size + AVPROBE_PADDING_SIZE);
AVInputFormat *fmt = NULL;
AVProbeData pd = { 0 };
if (!probe_buffer)
return AVERROR(ENOMEM);
probe_buffer_size = avio_read(s1->pb, probe_buffer, probe_buffer_size);
if (probe_buffer_size < 0) {
av_free(probe_buffer);
return probe_buffer_size;
}
memset(probe_buffer + probe_buffer_size, 0, AVPROBE_PADDING_SIZE);
pd.buf = probe_buffer;
pd.buf_size = probe_buffer_size;
pd.filename = s1->filename;
while ((fmt = av_iformat_next(fmt))) {
if (fmt->read_header != ff_img_read_header ||
!fmt->read_probe ||
(fmt->flags & AVFMT_NOFILE) ||
!fmt->raw_codec_id)
continue;
if (fmt->read_probe(&pd) > 0) {
st->codec->codec_id = fmt->raw_codec_id;
break;
}
}
if (s1->flags & AVFMT_FLAG_CUSTOM_IO) {
avio_seek(s1->pb, 0, SEEK_SET);
} else
ffio_rewind_with_probe_data(s1->pb, &probe_buffer, probe_buffer_size);
}
if (st->codec->codec_id == AV_CODEC_ID_NONE)
st->codec->codec_id = ff_guess_image2_codec(s->path);
if (st->codec->codec_id == AV_CODEC_ID_LJPEG)
st->codec->codec_id = AV_CODEC_ID_MJPEG;
if (st->codec->codec_id == AV_CODEC_ID_ALIAS_PIX) // we cannot distingiush this from BRENDER_PIX
st->codec->codec_id = AV_CODEC_ID_NONE;
}
if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
pix_fmt != AV_PIX_FMT_NONE)
st->codec->pix_fmt = pix_fmt;
return 0;
}
| 10,548 |
FFmpeg | 0d632b35a04f4a54e7cd228c85cbad82549182ec | 0 | static av_always_inline void decode_bgr_1(HYuvContext *s, int count,
int decorrelate, int alpha)
{
int i;
OPEN_READER(re, &s->gb);
for (i = 0; i < count; i++) {
unsigned int index;
int code, n;
UPDATE_CACHE(re, &s->gb);
index = SHOW_UBITS(re, &s->gb, VLC_BITS);
code = s->vlc[4].table[index][0];
n = s->vlc[4].table[index][1];
if (code != -1) {
*(uint32_t*)&s->temp[0][4 * i] = s->pix_bgr_map[code];
LAST_SKIP_BITS(re, &s->gb, n);
} else {
int nb_bits;
if(decorrelate) {
VLC_INTERN(s->temp[0][4 * i + G], s->vlc[1].table,
&s->gb, re, VLC_BITS, 3);
UPDATE_CACHE(re, &s->gb);
index = SHOW_UBITS(re, &s->gb, VLC_BITS);
VLC_INTERN(code, s->vlc[0].table, &s->gb, re, VLC_BITS, 3);
s->temp[0][4 * i + B] = code + s->temp[0][4 * i + G];
UPDATE_CACHE(re, &s->gb);
index = SHOW_UBITS(re, &s->gb, VLC_BITS);
VLC_INTERN(code, s->vlc[2].table, &s->gb, re, VLC_BITS, 3);
s->temp[0][4 * i + R] = code + s->temp[0][4 * i + G];
} else {
VLC_INTERN(s->temp[0][4 * i + B], s->vlc[0].table,
&s->gb, re, VLC_BITS, 3);
UPDATE_CACHE(re, &s->gb);
index = SHOW_UBITS(re, &s->gb, VLC_BITS);
VLC_INTERN(s->temp[0][4 * i + G], s->vlc[1].table,
&s->gb, re, VLC_BITS, 3);
UPDATE_CACHE(re, &s->gb);
index = SHOW_UBITS(re, &s->gb, VLC_BITS);
VLC_INTERN(s->temp[0][4 * i + R], s->vlc[2].table,
&s->gb, re, VLC_BITS, 3);
}
if (alpha) {
UPDATE_CACHE(re, &s->gb);
index = SHOW_UBITS(re, &s->gb, VLC_BITS);
VLC_INTERN(s->temp[0][4 * i + A], s->vlc[2].table,
&s->gb, re, VLC_BITS, 3);
}
}
}
CLOSE_READER(re, &s->gb);
}
| 10,549 |
FFmpeg | d31dbec3742e488156621b9ca21069f8c05aabf0 | 0 | static int dnxhd_init_rc(DNXHDEncContext *ctx)
{
CHECKED_ALLOCZ(ctx->mb_rc, 8160*ctx->m.avctx->qmax*sizeof(RCEntry));
if (ctx->m.avctx->mb_decision != FF_MB_DECISION_RD)
CHECKED_ALLOCZ(ctx->mb_cmp, ctx->m.mb_num*sizeof(RCCMPEntry));
ctx->frame_bits = (ctx->cid_table->coding_unit_size - 640 - 4) * 8;
ctx->qscale = 1;
ctx->lambda = 2<<LAMBDA_FRAC_BITS; // qscale 2
return 0;
fail:
return -1;
}
| 10,550 |
FFmpeg | 68f593b48433842f3407586679fe07f3e5199ab9 | 0 | static int mpeg1_decode_picture(AVCodecContext *avctx,
UINT8 *buf, int buf_size)
{
Mpeg1Context *s1 = avctx->priv_data;
MpegEncContext *s = &s1->mpeg_enc_ctx;
int ref, f_code;
init_get_bits(&s->gb, buf, buf_size);
ref = get_bits(&s->gb, 10); /* temporal ref */
s->pict_type = get_bits(&s->gb, 3);
dprintf("pict_type=%d number=%d\n", s->pict_type, s->picture_number);
skip_bits(&s->gb, 16);
if (s->pict_type == P_TYPE || s->pict_type == B_TYPE) {
s->full_pel[0] = get_bits1(&s->gb);
f_code = get_bits(&s->gb, 3);
if (f_code == 0)
return -1;
s->mpeg_f_code[0][0] = f_code;
s->mpeg_f_code[0][1] = f_code;
}
if (s->pict_type == B_TYPE) {
s->full_pel[1] = get_bits1(&s->gb);
f_code = get_bits(&s->gb, 3);
if (f_code == 0)
return -1;
s->mpeg_f_code[1][0] = f_code;
s->mpeg_f_code[1][1] = f_code;
}
s->current_picture.pict_type= s->pict_type;
s->current_picture.key_frame= s->pict_type == I_TYPE;
s->y_dc_scale = 8;
s->c_dc_scale = 8;
s->first_slice = 1;
return 0;
}
| 10,551 |
FFmpeg | bb463d81020a2f3c5cf3403e18f980171773f48a | 0 | static int mpeg1_find_frame_end(MpegEncContext *s, uint8_t *buf, int buf_size){
ParseContext *pc= &s->parse_context;
int i;
uint32_t state;
state= pc->state;
i=0;
if(!pc->frame_start_found){
for(i=0; i<buf_size; i++){
state= (state<<8) | buf[i];
if(state >= SLICE_MIN_START_CODE && state <= SLICE_MAX_START_CODE){
i++;
pc->frame_start_found=1;
break;
}
}
}
if(pc->frame_start_found){
for(; i<buf_size; i++){
state= (state<<8) | buf[i];
if((state&0xFFFFFF00) == 0x100){
if(state < SLICE_MIN_START_CODE || state > SLICE_MAX_START_CODE){
pc->frame_start_found=0;
pc->state=-1;
return i-3;
}
}
}
}
pc->state= state;
return -1;
}
| 10,552 |
FFmpeg | ab61b79b1c707a9ea0512238d837ea3e8b8395ed | 0 | static int mov_read_mvhd(MOVContext *c, AVIOContext *pb, MOVAtom atom)
{
int i;
int64_t creation_time;
int version = avio_r8(pb); /* version */
avio_rb24(pb); /* flags */
if (version == 1) {
creation_time = avio_rb64(pb);
avio_rb64(pb);
} else {
creation_time = avio_rb32(pb);
avio_rb32(pb); /* modification time */
}
mov_metadata_creation_time(&c->fc->metadata, creation_time);
c->time_scale = avio_rb32(pb); /* time scale */
if (c->time_scale <= 0) {
av_log(c->fc, AV_LOG_ERROR, "Invalid mvhd time scale %d\n", c->time_scale);
return AVERROR_INVALIDDATA;
}
av_log(c->fc, AV_LOG_TRACE, "time scale = %i\n", c->time_scale);
c->duration = (version == 1) ? avio_rb64(pb) : avio_rb32(pb); /* duration */
// set the AVCodecContext duration because the duration of individual tracks
// may be inaccurate
if (c->time_scale > 0 && !c->trex_data)
c->fc->duration = av_rescale(c->duration, AV_TIME_BASE, c->time_scale);
avio_rb32(pb); /* preferred scale */
avio_rb16(pb); /* preferred volume */
avio_skip(pb, 10); /* reserved */
/* movie display matrix, store it in main context and use it later on */
for (i = 0; i < 3; i++) {
c->movie_display_matrix[i][0] = avio_rb32(pb); // 16.16 fixed point
c->movie_display_matrix[i][1] = avio_rb32(pb); // 16.16 fixed point
c->movie_display_matrix[i][2] = avio_rb32(pb); // 2.30 fixed point
}
avio_rb32(pb); /* preview time */
avio_rb32(pb); /* preview duration */
avio_rb32(pb); /* poster time */
avio_rb32(pb); /* selection time */
avio_rb32(pb); /* selection duration */
avio_rb32(pb); /* current time */
avio_rb32(pb); /* next track ID */
return 0;
}
| 10,553 |
FFmpeg | 914ab4cd1c59eae10771f2d6a892ec6b6f36b0e2 | 0 | static int decode_packet(Jpeg2000DecoderContext *s, Jpeg2000CodingStyle *codsty, Jpeg2000ResLevel *rlevel, int precno,
int layno, uint8_t *expn, int numgbits)
{
int bandno, cblkny, cblknx, cblkno, ret;
if (!(ret = get_bits(s, 1))){
j2k_flush(s);
return 0;
} else if (ret < 0)
return ret;
for (bandno = 0; bandno < rlevel->nbands; bandno++){
Jpeg2000Band *band = rlevel->band + bandno;
Jpeg2000Prec *prec = band->prec + precno;
int pos = 0;
if (band->coord[0][0] == band->coord[0][1]
|| band->coord[1][0] == band->coord[1][1])
continue;
for (cblkny = prec->yi0; cblkny < prec->yi1; cblkny++)
for(cblknx = prec->xi0, cblkno = cblkny * band->cblknx + cblknx; cblknx < prec->xi1; cblknx++, cblkno++, pos++){
Jpeg2000Cblk *cblk = band->cblk + cblkno;
int incl, newpasses, llen;
if (cblk->npasses)
incl = get_bits(s, 1);
else
incl = tag_tree_decode(s, prec->cblkincl + pos, layno+1) == layno;
if (!incl)
continue;
else if (incl < 0)
return incl;
if (!cblk->npasses)
cblk->nonzerobits = expn[bandno] + numgbits - 1 - tag_tree_decode(s, prec->zerobits + pos, 100);
if ((newpasses = getnpasses(s)) < 0)
return newpasses;
if ((llen = getlblockinc(s)) < 0)
return llen;
cblk->lblock += llen;
if ((ret = get_bits(s, av_log2(newpasses) + cblk->lblock)) < 0)
return ret;
cblk->lengthinc = ret;
cblk->npasses += newpasses;
}
}
j2k_flush(s);
if (codsty->csty & JPEG2000_CSTY_EPH) {
if (bytestream2_peek_be16(&s->g) == JPEG2000_EPH) {
bytestream2_skip(&s->g, 2);
} else {
av_log(s->avctx, AV_LOG_ERROR, "EPH marker not found.\n");
}
}
for (bandno = 0; bandno < rlevel->nbands; bandno++){
Jpeg2000Band *band = rlevel->band + bandno;
int yi, cblknw = band->prec[precno].xi1 - band->prec[precno].xi0;
for (yi = band->prec[precno].yi0; yi < band->prec[precno].yi1; yi++){
int xi;
for (xi = band->prec[precno].xi0; xi < band->prec[precno].xi1; xi++){
Jpeg2000Cblk *cblk = band->cblk + yi * cblknw + xi;
if (bytestream2_get_bytes_left(&s->g) < cblk->lengthinc)
return AVERROR(EINVAL);
bytestream2_get_bufferu(&s->g, cblk->data, cblk->lengthinc);
cblk->length += cblk->lengthinc;
cblk->lengthinc = 0;
}
}
}
return 0;
}
| 10,555 |
FFmpeg | 72dbc610be3272ba36603f78a39cc2d2d8fe0cc3 | 0 | static void avc_luma_vt_and_aver_dst_8x8_msa(const uint8_t *src,
int32_t src_stride,
uint8_t *dst, int32_t dst_stride)
{
int32_t loop_cnt;
int16_t filt_const0 = 0xfb01;
int16_t filt_const1 = 0x1414;
int16_t filt_const2 = 0x1fb;
v16u8 dst0, dst1, dst2, dst3;
v16i8 src0, src1, src2, src3, src4, src7, src8, src9, src10;
v16i8 src10_r, src32_r, src76_r, src98_r;
v16i8 src21_r, src43_r, src87_r, src109_r;
v8i16 out0, out1, out2, out3;
v16i8 filt0, filt1, filt2;
filt0 = (v16i8) __msa_fill_h(filt_const0);
filt1 = (v16i8) __msa_fill_h(filt_const1);
filt2 = (v16i8) __msa_fill_h(filt_const2);
LD_SB5(src, src_stride, src0, src1, src2, src3, src4);
src += (5 * src_stride);
XORI_B5_128_SB(src0, src1, src2, src3, src4);
ILVR_B4_SB(src1, src0, src2, src1, src3, src2, src4, src3,
src10_r, src21_r, src32_r, src43_r);
for (loop_cnt = 2; loop_cnt--;) {
LD_SB4(src, src_stride, src7, src8, src9, src10);
src += (4 * src_stride);
XORI_B4_128_SB(src7, src8, src9, src10);
ILVR_B4_SB(src7, src4, src8, src7, src9, src8, src10, src9,
src76_r, src87_r, src98_r, src109_r);
out0 = DPADD_SH3_SH(src10_r, src32_r, src76_r, filt0, filt1, filt2);
out1 = DPADD_SH3_SH(src21_r, src43_r, src87_r, filt0, filt1, filt2);
out2 = DPADD_SH3_SH(src32_r, src76_r, src98_r, filt0, filt1, filt2);
out3 = DPADD_SH3_SH(src43_r, src87_r, src109_r, filt0, filt1, filt2);
SRARI_H4_SH(out0, out1, out2, out3, 5);
SAT_SH4_SH(out0, out1, out2, out3, 7);
LD_UB4(dst, dst_stride, dst0, dst1, dst2, dst3);
ILVR_D2_UB(dst1, dst0, dst3, dst2, dst0, dst1);
CONVERT_UB_AVG_ST8x4_UB(out0, out1, out2, out3, dst0, dst1,
dst, dst_stride);
dst += (4 * dst_stride);
src10_r = src76_r;
src32_r = src98_r;
src21_r = src87_r;
src43_r = src109_r;
src4 = src10;
}
}
| 10,557 |
FFmpeg | 50a28b13936be3e62254d5a73ab2ca6ffb001bcf | 0 | int main (int argc, char **argv)
{
int ret = 0, got_frame;
if (argc != 4 && argc != 5) {
fprintf(stderr, "usage: %s [-refcount=<old|new_norefcount|new_refcount>] "
"input_file video_output_file audio_output_file\n"
"API example program to show how to read frames from an input file.\n"
"This program reads frames from a file, decodes them, and writes decoded\n"
"video frames to a rawvideo file named video_output_file, and decoded\n"
"audio frames to a rawaudio file named audio_output_file.\n\n"
"If the -refcount option is specified, the program use the\n"
"reference counting frame system which allows keeping a copy of\n"
"the data for longer than one decode call. If unset, it's using\n"
"the classic old method.\n"
"\n", argv[0]);
exit(1);
}
if (argc == 5) {
const char *mode = argv[1] + strlen("-refcount=");
if (!strcmp(mode, "old")) api_mode = API_MODE_OLD;
else if (!strcmp(mode, "new_norefcount")) api_mode = API_MODE_NEW_API_NO_REF_COUNT;
else if (!strcmp(mode, "new_refcount")) api_mode = API_MODE_NEW_API_REF_COUNT;
else {
fprintf(stderr, "unknow mode '%s'\n", mode);
exit(1);
}
argv++;
}
src_filename = argv[1];
video_dst_filename = argv[2];
audio_dst_filename = argv[3];
/* register all formats and codecs */
av_register_all();
/* open input file, and allocate format context */
if (avformat_open_input(&fmt_ctx, src_filename, NULL, NULL) < 0) {
fprintf(stderr, "Could not open source file %s\n", src_filename);
exit(1);
}
/* retrieve stream information */
if (avformat_find_stream_info(fmt_ctx, NULL) < 0) {
fprintf(stderr, "Could not find stream information\n");
exit(1);
}
if (open_codec_context(&video_stream_idx, fmt_ctx, AVMEDIA_TYPE_VIDEO) >= 0) {
video_stream = fmt_ctx->streams[video_stream_idx];
video_dec_ctx = video_stream->codec;
video_dst_file = fopen(video_dst_filename, "wb");
if (!video_dst_file) {
fprintf(stderr, "Could not open destination file %s\n", video_dst_filename);
ret = 1;
goto end;
}
/* allocate image where the decoded image will be put */
ret = av_image_alloc(video_dst_data, video_dst_linesize,
video_dec_ctx->width, video_dec_ctx->height,
video_dec_ctx->pix_fmt, 1);
if (ret < 0) {
fprintf(stderr, "Could not allocate raw video buffer\n");
goto end;
}
video_dst_bufsize = ret;
}
if (open_codec_context(&audio_stream_idx, fmt_ctx, AVMEDIA_TYPE_AUDIO) >= 0) {
audio_stream = fmt_ctx->streams[audio_stream_idx];
audio_dec_ctx = audio_stream->codec;
audio_dst_file = fopen(audio_dst_filename, "wb");
if (!audio_dst_file) {
fprintf(stderr, "Could not open destination file %s\n", video_dst_filename);
ret = 1;
goto end;
}
}
/* dump input information to stderr */
av_dump_format(fmt_ctx, 0, src_filename, 0);
if (!audio_stream && !video_stream) {
fprintf(stderr, "Could not find audio or video stream in the input, aborting\n");
ret = 1;
goto end;
}
/* When using the new API, you need to use the libavutil/frame.h API, while
* the classic frame management is available in libavcodec */
if (api_mode == API_MODE_OLD)
frame = avcodec_alloc_frame();
else
frame = av_frame_alloc();
if (!frame) {
fprintf(stderr, "Could not allocate frame\n");
ret = AVERROR(ENOMEM);
goto end;
}
/* initialize packet, set data to NULL, let the demuxer fill it */
av_init_packet(&pkt);
pkt.data = NULL;
pkt.size = 0;
if (video_stream)
printf("Demuxing video from file '%s' into '%s'\n", src_filename, video_dst_filename);
if (audio_stream)
printf("Demuxing audio from file '%s' into '%s'\n", src_filename, audio_dst_filename);
/* read frames from the file */
while (av_read_frame(fmt_ctx, &pkt) >= 0) {
AVPacket orig_pkt = pkt;
do {
ret = decode_packet(&got_frame, 0);
if (ret < 0)
break;
pkt.data += ret;
pkt.size -= ret;
} while (pkt.size > 0);
av_free_packet(&orig_pkt);
}
/* flush cached frames */
pkt.data = NULL;
pkt.size = 0;
do {
decode_packet(&got_frame, 1);
} while (got_frame);
printf("Demuxing succeeded.\n");
if (video_stream) {
printf("Play the output video file with the command:\n"
"ffplay -f rawvideo -pix_fmt %s -video_size %dx%d %s\n",
av_get_pix_fmt_name(video_dec_ctx->pix_fmt), video_dec_ctx->width, video_dec_ctx->height,
video_dst_filename);
}
if (audio_stream) {
enum AVSampleFormat sfmt = audio_dec_ctx->sample_fmt;
int n_channels = audio_dec_ctx->channels;
const char *fmt;
if (av_sample_fmt_is_planar(sfmt)) {
const char *packed = av_get_sample_fmt_name(sfmt);
printf("Warning: the sample format the decoder produced is planar "
"(%s). This example will output the first channel only.\n",
packed ? packed : "?");
sfmt = av_get_packed_sample_fmt(sfmt);
n_channels = 1;
}
if ((ret = get_format_from_sample_fmt(&fmt, sfmt)) < 0)
goto end;
printf("Play the output audio file with the command:\n"
"ffplay -f %s -ac %d -ar %d %s\n",
fmt, n_channels, audio_dec_ctx->sample_rate,
audio_dst_filename);
}
end:
if (video_dec_ctx)
avcodec_close(video_dec_ctx);
if (audio_dec_ctx)
avcodec_close(audio_dec_ctx);
avformat_close_input(&fmt_ctx);
if (video_dst_file)
fclose(video_dst_file);
if (audio_dst_file)
fclose(audio_dst_file);
if (api_mode == API_MODE_OLD)
avcodec_free_frame(&frame);
else
av_frame_free(&frame);
av_free(video_dst_data[0]);
return ret < 0;
}
| 10,558 |
FFmpeg | b1ade3d1821a29174963b28cd0caa5f7ed394998 | 0 | void ff_celp_lp_synthesis_filterf(float *out,
const float* filter_coeffs,
const float* in,
int buffer_length,
int filter_length)
{
int i,n;
// Avoids a +1 in the inner loop.
filter_length++;
for (n = 0; n < buffer_length; n++) {
out[n] = in[n];
for (i = 1; i < filter_length; i++)
out[n] -= filter_coeffs[i-1] * out[n-i];
}
}
| 10,559 |
FFmpeg | 83548fe894cdb455cc127f754d09905b6d23c173 | 0 | static int read_seek(AVFormatContext *s, int stream_index, int64_t timestamp, int flags)
{
BinkDemuxContext *bink = s->priv_data;
AVStream *vst = s->streams[0];
if (!s->pb->seekable)
return -1;
/* seek to the first frame */
if (avio_seek(s->pb, vst->index_entries[0].pos, SEEK_SET) < 0)
return -1;
bink->video_pts = 0;
memset(bink->audio_pts, 0, sizeof(bink->audio_pts));
bink->current_track = -1;
return 0;
}
| 10,560 |
FFmpeg | adb4328917f8b4e0ea9462615ca9e9b5baa7334d | 0 | static int dvvideo_decode_frame(AVCodecContext *avctx,
void *data, int *data_size,
UINT8 *buf, int buf_size)
{
DVVideoDecodeContext *s = avctx->priv_data;
int sct, dsf, apt, ds, nb_dif_segs, vs, width, height, i, packet_size;
unsigned size;
UINT8 *buf_ptr;
const UINT16 *mb_pos_ptr;
AVPicture *picture;
/* parse id */
init_get_bits(&s->gb, buf, buf_size);
sct = get_bits(&s->gb, 3);
if (sct != 0)
return -1;
skip_bits(&s->gb, 5);
get_bits(&s->gb, 4); /* dsn (sequence number */
get_bits(&s->gb, 1); /* fsc (channel number) */
skip_bits(&s->gb, 3);
get_bits(&s->gb, 8); /* dbn (diff block number 0-134) */
dsf = get_bits(&s->gb, 1); /* 0 = NTSC 1 = PAL */
if (get_bits(&s->gb, 1) != 0)
return -1;
skip_bits(&s->gb, 11);
apt = get_bits(&s->gb, 3); /* apt */
get_bits(&s->gb, 1); /* tf1 */
skip_bits(&s->gb, 4);
get_bits(&s->gb, 3); /* ap1 */
get_bits(&s->gb, 1); /* tf2 */
skip_bits(&s->gb, 4);
get_bits(&s->gb, 3); /* ap2 */
get_bits(&s->gb, 1); /* tf3 */
skip_bits(&s->gb, 4);
get_bits(&s->gb, 3); /* ap3 */
/* init size */
width = 720;
if (dsf) {
avctx->frame_rate = 25 * FRAME_RATE_BASE;
packet_size = PAL_FRAME_SIZE;
height = 576;
nb_dif_segs = 12;
} else {
avctx->frame_rate = 30 * FRAME_RATE_BASE;
packet_size = NTSC_FRAME_SIZE;
height = 480;
nb_dif_segs = 10;
}
/* NOTE: we only accept several full frames */
if (buf_size < packet_size)
return -1;
/* XXX: is it correct to assume that 420 is always used in PAL
mode ? */
s->sampling_411 = !dsf;
if (s->sampling_411) {
mb_pos_ptr = dv_place_411;
avctx->pix_fmt = PIX_FMT_YUV411P;
} else {
mb_pos_ptr = dv_place_420;
avctx->pix_fmt = PIX_FMT_YUV420P;
}
avctx->width = width;
avctx->height = height;
if (avctx->flags & CODEC_FLAG_DR1 && avctx->get_buffer_callback)
{
s->width = -1;
avctx->dr_buffer[0] = avctx->dr_buffer[1] = avctx->dr_buffer[2] = 0;
if(avctx->get_buffer_callback(avctx, width, height, I_TYPE) < 0){
fprintf(stderr, "get_buffer() failed\n");
return -1;
}
}
/* (re)alloc picture if needed */
if (s->width != width || s->height != height) {
if (!(avctx->flags & CODEC_FLAG_DR1))
for(i=0;i<3;i++) {
if (avctx->dr_buffer[i] != s->current_picture[i])
av_freep(&s->current_picture[i]);
avctx->dr_buffer[i] = 0;
}
for(i=0;i<3;i++) {
if (avctx->dr_buffer[i]) {
s->current_picture[i] = avctx->dr_buffer[i];
s->linesize[i] = (i == 0) ? avctx->dr_stride : avctx->dr_uvstride;
} else {
size = width * height;
s->linesize[i] = width;
if (i >= 1) {
size >>= 2;
s->linesize[i] >>= s->sampling_411 ? 2 : 1;
}
s->current_picture[i] = av_malloc(size);
}
if (!s->current_picture[i])
return -1;
}
s->width = width;
s->height = height;
}
/* for each DIF segment */
buf_ptr = buf;
for (ds = 0; ds < nb_dif_segs; ds++) {
buf_ptr += 6 * 80; /* skip DIF segment header */
for(vs = 0; vs < 27; vs++) {
if ((vs % 3) == 0) {
/* skip audio block */
buf_ptr += 80;
}
dv_decode_video_segment(s, buf_ptr, mb_pos_ptr);
buf_ptr += 5 * 80;
mb_pos_ptr += 5;
}
}
emms_c();
/* return image */
*data_size = sizeof(AVPicture);
picture = data;
for(i=0;i<3;i++) {
picture->data[i] = s->current_picture[i];
picture->linesize[i] = s->linesize[i];
}
return packet_size;
}
| 10,561 |
FFmpeg | c04c3282b4334ff64cfd69d40fea010602e830fd | 0 | static int audio_read_header(AVFormatContext *s1, AVFormatParameters *ap)
{
AudioData *s = s1->priv_data;
AVStream *st;
int ret;
if (!ap || ap->sample_rate <= 0 || ap->channels <= 0)
return -1;
st = av_new_stream(s1, 0);
if (!st) {
return -ENOMEM;
}
s->sample_rate = ap->sample_rate;
s->channels = ap->channels;
ret = audio_open(s, 0, ap->device);
if (ret < 0) {
av_free(st);
return AVERROR_IO;
}
/* take real parameters */
st->codec->codec_type = CODEC_TYPE_AUDIO;
st->codec->codec_id = s->codec_id;
st->codec->sample_rate = s->sample_rate;
st->codec->channels = s->channels;
av_set_pts_info(st, 64, 1, 1000000); /* 64 bits pts in us */
return 0;
}
| 10,562 |
FFmpeg | 0ccabeeaef77e240f2a44f78271a8914a23e239b | 0 | char *ff_get_ref_perms_string(char *buf, size_t buf_size, int perms)
{
snprintf(buf, buf_size, "%s%s%s%s%s",
perms & AV_PERM_READ ? "r" : "",
perms & AV_PERM_WRITE ? "w" : "",
perms & AV_PERM_PRESERVE ? "p" : "",
perms & AV_PERM_REUSE ? "u" : "",
perms & AV_PERM_REUSE2 ? "U" : "");
return buf;
}
| 10,563 |
FFmpeg | c10350358da58600884292c08a8690289b81de29 | 0 | static void gif_copy_img_rect(const uint32_t *src, uint32_t *dst,
int linesize, int l, int t, int w, int h)
{
const int y_start = t * linesize;
const uint32_t *src_px, *src_pr,
*src_py = src + y_start,
*dst_py = dst + y_start;
const uint32_t *src_pb = src_py + t * linesize;
uint32_t *dst_px;
for (; src_py < src_pb; src_py += linesize, dst_py += linesize) {
src_px = src_py + l;
dst_px = (uint32_t *)dst_py + l;
src_pr = src_px + w;
for (; src_px < src_pr; src_px++, dst_px++)
*dst_px = *src_px;
}
}
| 10,565 |
FFmpeg | bcaf64b605442e1622d16da89d4ec0e7730b8a8c | 0 | static int alac_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
const AVFrame *frame, int *got_packet_ptr)
{
AlacEncodeContext *s = avctx->priv_data;
int out_bytes, max_frame_size, ret;
s->frame_size = frame->nb_samples;
if (frame->nb_samples < DEFAULT_FRAME_SIZE)
max_frame_size = get_max_frame_size(s->frame_size, avctx->channels,
avctx->bits_per_raw_sample);
else
max_frame_size = s->max_coded_frame_size;
if ((ret = ff_alloc_packet2(avctx, avpkt, 2 * max_frame_size)))
return ret;
/* use verbatim mode for compression_level 0 */
if (s->compression_level) {
s->verbatim = 0;
s->extra_bits = avctx->bits_per_raw_sample - 16;
} else {
s->verbatim = 1;
s->extra_bits = 0;
}
out_bytes = write_frame(s, avpkt, frame->extended_data);
if (out_bytes > max_frame_size) {
/* frame too large. use verbatim mode */
s->verbatim = 1;
s->extra_bits = 0;
out_bytes = write_frame(s, avpkt, frame->extended_data);
}
avpkt->size = out_bytes;
*got_packet_ptr = 1;
return 0;
}
| 10,566 |
qemu | 552908fef5b67ad9d96b76d7cb8371ebc26c9bc8 | 0 | static int bmdma_rw_buf(IDEDMA *dma, int is_write)
{
BMDMAState *bm = DO_UPCAST(BMDMAState, dma, dma);
IDEState *s = bmdma_active_if(bm);
struct {
uint32_t addr;
uint32_t size;
} prd;
int l, len;
for(;;) {
l = s->io_buffer_size - s->io_buffer_index;
if (l <= 0)
break;
if (bm->cur_prd_len == 0) {
/* end of table (with a fail safe of one page) */
if (bm->cur_prd_last ||
(bm->cur_addr - bm->addr) >= BMDMA_PAGE_SIZE)
return 0;
cpu_physical_memory_read(bm->cur_addr, (uint8_t *)&prd, 8);
bm->cur_addr += 8;
prd.addr = le32_to_cpu(prd.addr);
prd.size = le32_to_cpu(prd.size);
len = prd.size & 0xfffe;
if (len == 0)
len = 0x10000;
bm->cur_prd_len = len;
bm->cur_prd_addr = prd.addr;
bm->cur_prd_last = (prd.size & 0x80000000);
}
if (l > bm->cur_prd_len)
l = bm->cur_prd_len;
if (l > 0) {
if (is_write) {
cpu_physical_memory_write(bm->cur_prd_addr,
s->io_buffer + s->io_buffer_index, l);
} else {
cpu_physical_memory_read(bm->cur_prd_addr,
s->io_buffer + s->io_buffer_index, l);
}
bm->cur_prd_addr += l;
bm->cur_prd_len -= l;
s->io_buffer_index += l;
}
}
return 1;
}
| 10,567 |
qemu | b29a0341d7ed7e7df4bf77a41db8e614f1ddb645 | 0 | static void gen_dmfc0 (DisasContext *ctx, int reg, int sel)
{
const char *rn = "invalid";
switch (reg) {
case 0:
switch (sel) {
case 0:
gen_op_mfc0_index();
rn = "Index";
break;
case 1:
// gen_op_dmfc0_mvpcontrol(); /* MT ASE */
rn = "MVPControl";
// break;
case 2:
// gen_op_dmfc0_mvpconf0(); /* MT ASE */
rn = "MVPConf0";
// break;
case 3:
// gen_op_dmfc0_mvpconf1(); /* MT ASE */
rn = "MVPConf1";
// break;
default:
goto die;
}
break;
case 1:
switch (sel) {
case 0:
gen_op_mfc0_random();
rn = "Random";
break;
case 1:
// gen_op_dmfc0_vpecontrol(); /* MT ASE */
rn = "VPEControl";
// break;
case 2:
// gen_op_dmfc0_vpeconf0(); /* MT ASE */
rn = "VPEConf0";
// break;
case 3:
// gen_op_dmfc0_vpeconf1(); /* MT ASE */
rn = "VPEConf1";
// break;
case 4:
// gen_op_dmfc0_YQMask(); /* MT ASE */
rn = "YQMask";
// break;
case 5:
// gen_op_dmfc0_vpeschedule(); /* MT ASE */
rn = "VPESchedule";
// break;
case 6:
// gen_op_dmfc0_vpeschefback(); /* MT ASE */
rn = "VPEScheFBack";
// break;
case 7:
// gen_op_dmfc0_vpeopt(); /* MT ASE */
rn = "VPEOpt";
// break;
default:
goto die;
}
break;
case 2:
switch (sel) {
case 0:
gen_op_dmfc0_entrylo0();
rn = "EntryLo0";
break;
case 1:
// gen_op_dmfc0_tcstatus(); /* MT ASE */
rn = "TCStatus";
// break;
case 2:
// gen_op_dmfc0_tcbind(); /* MT ASE */
rn = "TCBind";
// break;
case 3:
// gen_op_dmfc0_tcrestart(); /* MT ASE */
rn = "TCRestart";
// break;
case 4:
// gen_op_dmfc0_tchalt(); /* MT ASE */
rn = "TCHalt";
// break;
case 5:
// gen_op_dmfc0_tccontext(); /* MT ASE */
rn = "TCContext";
// break;
case 6:
// gen_op_dmfc0_tcschedule(); /* MT ASE */
rn = "TCSchedule";
// break;
case 7:
// gen_op_dmfc0_tcschefback(); /* MT ASE */
rn = "TCScheFBack";
// break;
default:
goto die;
}
break;
case 3:
switch (sel) {
case 0:
gen_op_dmfc0_entrylo1();
rn = "EntryLo1";
break;
default:
goto die;
}
break;
case 4:
switch (sel) {
case 0:
gen_op_dmfc0_context();
rn = "Context";
break;
case 1:
// gen_op_dmfc0_contextconfig(); /* SmartMIPS ASE */
rn = "ContextConfig";
// break;
default:
goto die;
}
break;
case 5:
switch (sel) {
case 0:
gen_op_mfc0_pagemask();
rn = "PageMask";
break;
case 1:
gen_op_mfc0_pagegrain();
rn = "PageGrain";
break;
default:
goto die;
}
break;
case 6:
switch (sel) {
case 0:
gen_op_mfc0_wired();
rn = "Wired";
break;
case 1:
// gen_op_dmfc0_srsconf0(); /* shadow registers */
rn = "SRSConf0";
// break;
case 2:
// gen_op_dmfc0_srsconf1(); /* shadow registers */
rn = "SRSConf1";
// break;
case 3:
// gen_op_dmfc0_srsconf2(); /* shadow registers */
rn = "SRSConf2";
// break;
case 4:
// gen_op_dmfc0_srsconf3(); /* shadow registers */
rn = "SRSConf3";
// break;
case 5:
// gen_op_dmfc0_srsconf4(); /* shadow registers */
rn = "SRSConf4";
// break;
default:
goto die;
}
break;
case 7:
switch (sel) {
case 0:
gen_op_mfc0_hwrena();
rn = "HWREna";
break;
default:
goto die;
}
break;
case 8:
switch (sel) {
case 0:
gen_op_dmfc0_badvaddr();
rn = "BadVaddr";
break;
default:
goto die;
}
break;
case 9:
switch (sel) {
case 0:
gen_op_mfc0_count();
rn = "Count";
break;
/* 6,7 are implementation dependent */
default:
goto die;
}
break;
case 10:
switch (sel) {
case 0:
gen_op_dmfc0_entryhi();
rn = "EntryHi";
break;
default:
goto die;
}
break;
case 11:
switch (sel) {
case 0:
gen_op_mfc0_compare();
rn = "Compare";
break;
/* 6,7 are implementation dependent */
default:
goto die;
}
break;
case 12:
switch (sel) {
case 0:
gen_op_mfc0_status();
rn = "Status";
break;
case 1:
gen_op_mfc0_intctl();
rn = "IntCtl";
break;
case 2:
gen_op_mfc0_srsctl();
rn = "SRSCtl";
break;
case 3:
gen_op_mfc0_srsmap(); /* shadow registers */
rn = "SRSMap";
break;
default:
goto die;
}
break;
case 13:
switch (sel) {
case 0:
gen_op_mfc0_cause();
rn = "Cause";
break;
default:
goto die;
}
break;
case 14:
switch (sel) {
case 0:
gen_op_dmfc0_epc();
rn = "EPC";
break;
default:
goto die;
}
break;
case 15:
switch (sel) {
case 0:
gen_op_mfc0_prid();
rn = "PRid";
break;
case 1:
gen_op_dmfc0_ebase();
rn = "EBase";
break;
default:
goto die;
}
break;
case 16:
switch (sel) {
case 0:
gen_op_mfc0_config0();
rn = "Config";
break;
case 1:
gen_op_mfc0_config1();
rn = "Config1";
break;
case 2:
gen_op_mfc0_config2();
rn = "Config2";
break;
case 3:
gen_op_mfc0_config3();
rn = "Config3";
break;
/* 6,7 are implementation dependent */
default:
goto die;
}
break;
case 17:
switch (sel) {
case 0:
gen_op_dmfc0_lladdr();
rn = "LLAddr";
break;
default:
goto die;
}
break;
case 18:
switch (sel) {
case 0:
gen_op_dmfc0_watchlo0();
rn = "WatchLo";
break;
case 1:
// gen_op_dmfc0_watchlo1();
rn = "WatchLo1";
// break;
case 2:
// gen_op_dmfc0_watchlo2();
rn = "WatchLo2";
// break;
case 3:
// gen_op_dmfc0_watchlo3();
rn = "WatchLo3";
// break;
case 4:
// gen_op_dmfc0_watchlo4();
rn = "WatchLo4";
// break;
case 5:
// gen_op_dmfc0_watchlo5();
rn = "WatchLo5";
// break;
case 6:
// gen_op_dmfc0_watchlo6();
rn = "WatchLo6";
// break;
case 7:
// gen_op_dmfc0_watchlo7();
rn = "WatchLo7";
// break;
default:
goto die;
}
break;
case 19:
switch (sel) {
case 0:
gen_op_mfc0_watchhi0();
rn = "WatchHi";
break;
case 1:
// gen_op_mfc0_watchhi1();
rn = "WatchHi1";
// break;
case 2:
// gen_op_mfc0_watchhi2();
rn = "WatchHi2";
// break;
case 3:
// gen_op_mfc0_watchhi3();
rn = "WatchHi3";
// break;
case 4:
// gen_op_mfc0_watchhi4();
rn = "WatchHi4";
// break;
case 5:
// gen_op_mfc0_watchhi5();
rn = "WatchHi5";
// break;
case 6:
// gen_op_mfc0_watchhi6();
rn = "WatchHi6";
// break;
case 7:
// gen_op_mfc0_watchhi7();
rn = "WatchHi7";
// break;
default:
goto die;
}
break;
case 20:
switch (sel) {
case 0:
/* 64 bit MMU only */
gen_op_dmfc0_xcontext();
rn = "XContext";
break;
default:
goto die;
}
break;
case 21:
/* Officially reserved, but sel 0 is used for R1x000 framemask */
switch (sel) {
case 0:
gen_op_mfc0_framemask();
rn = "Framemask";
break;
default:
goto die;
}
break;
case 22:
/* ignored */
rn = "'Diagnostic"; /* implementation dependent */
break;
case 23:
switch (sel) {
case 0:
gen_op_mfc0_debug(); /* EJTAG support */
rn = "Debug";
break;
case 1:
// gen_op_dmfc0_tracecontrol(); /* PDtrace support */
rn = "TraceControl";
// break;
case 2:
// gen_op_dmfc0_tracecontrol2(); /* PDtrace support */
rn = "TraceControl2";
// break;
case 3:
// gen_op_dmfc0_usertracedata(); /* PDtrace support */
rn = "UserTraceData";
// break;
case 4:
// gen_op_dmfc0_debug(); /* PDtrace support */
rn = "TraceBPC";
// break;
default:
goto die;
}
break;
case 24:
switch (sel) {
case 0:
gen_op_dmfc0_depc(); /* EJTAG support */
rn = "DEPC";
break;
default:
goto die;
}
break;
case 25:
switch (sel) {
case 0:
gen_op_mfc0_performance0();
rn = "Performance0";
break;
case 1:
// gen_op_dmfc0_performance1();
rn = "Performance1";
// break;
case 2:
// gen_op_dmfc0_performance2();
rn = "Performance2";
// break;
case 3:
// gen_op_dmfc0_performance3();
rn = "Performance3";
// break;
case 4:
// gen_op_dmfc0_performance4();
rn = "Performance4";
// break;
case 5:
// gen_op_dmfc0_performance5();
rn = "Performance5";
// break;
case 6:
// gen_op_dmfc0_performance6();
rn = "Performance6";
// break;
case 7:
// gen_op_dmfc0_performance7();
rn = "Performance7";
// break;
default:
goto die;
}
break;
case 26:
rn = "ECC";
break;
case 27:
switch (sel) {
/* ignored */
case 0 ... 3:
rn = "CacheErr";
break;
default:
goto die;
}
break;
case 28:
switch (sel) {
case 0:
case 2:
case 4:
case 6:
gen_op_mfc0_taglo();
rn = "TagLo";
break;
case 1:
case 3:
case 5:
case 7:
gen_op_mfc0_datalo();
rn = "DataLo";
break;
default:
goto die;
}
break;
case 29:
switch (sel) {
case 0:
case 2:
case 4:
case 6:
gen_op_mfc0_taghi();
rn = "TagHi";
break;
case 1:
case 3:
case 5:
case 7:
gen_op_mfc0_datahi();
rn = "DataHi";
break;
default:
goto die;
}
break;
case 30:
switch (sel) {
case 0:
gen_op_dmfc0_errorepc();
rn = "ErrorEPC";
break;
default:
goto die;
}
break;
case 31:
switch (sel) {
case 0:
gen_op_mfc0_desave(); /* EJTAG support */
rn = "DESAVE";
break;
default:
goto die;
}
break;
default:
goto die;
}
#if defined MIPS_DEBUG_DISAS
if (loglevel & CPU_LOG_TB_IN_ASM) {
fprintf(logfile, "dmfc0 %s (reg %d sel %d)\n",
rn, reg, sel);
}
#endif
return;
die:
#if defined MIPS_DEBUG_DISAS
if (loglevel & CPU_LOG_TB_IN_ASM) {
fprintf(logfile, "dmfc0 %s (reg %d sel %d)\n",
rn, reg, sel);
}
#endif
generate_exception(ctx, EXCP_RI);
}
| 10,568 |
qemu | bff384a4fbd5d0e86939092e74e766ef0f5f592c | 0 | static void create_cpu(const char *cpu_model,
qemu_irq *cbus_irq, qemu_irq *i8259_irq)
{
CPUMIPSState *env;
MIPSCPU *cpu;
int i;
if (cpu_model == NULL) {
#ifdef TARGET_MIPS64
cpu_model = "20Kc";
#else
cpu_model = "24Kf";
#endif
}
for (i = 0; i < smp_cpus; i++) {
cpu = cpu_mips_init(cpu_model);
if (cpu == NULL) {
fprintf(stderr, "Unable to find CPU definition\n");
exit(1);
}
env = &cpu->env;
/* Init internal devices */
cpu_mips_irq_init_cpu(env);
cpu_mips_clock_init(env);
qemu_register_reset(main_cpu_reset, cpu);
}
cpu = MIPS_CPU(first_cpu);
env = &cpu->env;
*i8259_irq = env->irq[2];
*cbus_irq = env->irq[4];
}
| 10,569 |
qemu | 1f01e50b8330c24714ddca5841fdbb703076b121 | 0 | void qed_release(BDRVQEDState *s)
{
aio_context_release(bdrv_get_aio_context(s->bs));
}
| 10,570 |
qemu | 4fa4ce7107c6ec432f185307158c5df91ce54308 | 0 | int v9fs_co_readlink(V9fsPDU *pdu, V9fsPath *path, V9fsString *buf)
{
int err;
ssize_t len;
V9fsState *s = pdu->s;
if (v9fs_request_cancelled(pdu)) {
return -EINTR;
}
buf->data = g_malloc(PATH_MAX);
v9fs_path_read_lock(s);
v9fs_co_run_in_worker(
{
len = s->ops->readlink(&s->ctx, path,
buf->data, PATH_MAX - 1);
if (len > -1) {
buf->size = len;
buf->data[len] = 0;
err = 0;
} else {
err = -errno;
}
});
v9fs_path_unlock(s);
if (err) {
g_free(buf->data);
buf->data = NULL;
buf->size = 0;
}
return err;
}
| 10,571 |
qemu | d1fdf257d52822695f5ace6c586e059aa17d4b79 | 0 | int nbd_receive_negotiate(QIOChannel *ioc, const char *name, uint16_t *flags,
QCryptoTLSCreds *tlscreds, const char *hostname,
QIOChannel **outioc,
off_t *size, Error **errp)
{
char buf[256];
uint64_t magic, s;
int rc;
bool zeroes = true;
TRACE("Receiving negotiation tlscreds=%p hostname=%s.",
tlscreds, hostname ? hostname : "<null>");
rc = -EINVAL;
if (outioc) {
*outioc = NULL;
}
if (tlscreds && !outioc) {
error_setg(errp, "Output I/O channel required for TLS");
goto fail;
}
if (read_sync(ioc, buf, 8, errp) < 0) {
error_prepend(errp, "Failed to read data");
goto fail;
}
buf[8] = '\0';
if (strlen(buf) == 0) {
error_setg(errp, "Server connection closed unexpectedly");
goto fail;
}
TRACE("Magic is %c%c%c%c%c%c%c%c",
qemu_isprint(buf[0]) ? buf[0] : '.',
qemu_isprint(buf[1]) ? buf[1] : '.',
qemu_isprint(buf[2]) ? buf[2] : '.',
qemu_isprint(buf[3]) ? buf[3] : '.',
qemu_isprint(buf[4]) ? buf[4] : '.',
qemu_isprint(buf[5]) ? buf[5] : '.',
qemu_isprint(buf[6]) ? buf[6] : '.',
qemu_isprint(buf[7]) ? buf[7] : '.');
if (memcmp(buf, "NBDMAGIC", 8) != 0) {
error_setg(errp, "Invalid magic received");
goto fail;
}
if (read_sync(ioc, &magic, sizeof(magic), errp) < 0) {
error_prepend(errp, "Failed to read magic");
goto fail;
}
magic = be64_to_cpu(magic);
TRACE("Magic is 0x%" PRIx64, magic);
if (magic == NBD_OPTS_MAGIC) {
uint32_t clientflags = 0;
uint16_t globalflags;
bool fixedNewStyle = false;
if (read_sync(ioc, &globalflags, sizeof(globalflags), errp) < 0) {
error_prepend(errp, "Failed to read server flags");
goto fail;
}
globalflags = be16_to_cpu(globalflags);
TRACE("Global flags are %" PRIx32, globalflags);
if (globalflags & NBD_FLAG_FIXED_NEWSTYLE) {
fixedNewStyle = true;
TRACE("Server supports fixed new style");
clientflags |= NBD_FLAG_C_FIXED_NEWSTYLE;
}
if (globalflags & NBD_FLAG_NO_ZEROES) {
zeroes = false;
TRACE("Server supports no zeroes");
clientflags |= NBD_FLAG_C_NO_ZEROES;
}
/* client requested flags */
clientflags = cpu_to_be32(clientflags);
if (write_sync(ioc, &clientflags, sizeof(clientflags), errp) < 0) {
error_prepend(errp, "Failed to send clientflags field");
goto fail;
}
if (tlscreds) {
if (fixedNewStyle) {
*outioc = nbd_receive_starttls(ioc, tlscreds, hostname, errp);
if (!*outioc) {
goto fail;
}
ioc = *outioc;
} else {
error_setg(errp, "Server does not support STARTTLS");
goto fail;
}
}
if (!name) {
TRACE("Using default NBD export name \"\"");
name = "";
}
if (fixedNewStyle) {
/* Check our desired export is present in the
* server export list. Since NBD_OPT_EXPORT_NAME
* cannot return an error message, running this
* query gives us good error reporting if the
* server required TLS
*/
if (nbd_receive_query_exports(ioc, name, errp) < 0) {
goto fail;
}
}
/* write the export name request */
if (nbd_send_option_request(ioc, NBD_OPT_EXPORT_NAME, -1, name,
errp) < 0) {
goto fail;
}
/* Read the response */
if (read_sync(ioc, &s, sizeof(s), errp) < 0) {
error_prepend(errp, "Failed to read export length");
goto fail;
}
*size = be64_to_cpu(s);
if (read_sync(ioc, flags, sizeof(*flags), errp) < 0) {
error_prepend(errp, "Failed to read export flags");
goto fail;
}
be16_to_cpus(flags);
} else if (magic == NBD_CLIENT_MAGIC) {
uint32_t oldflags;
if (name) {
error_setg(errp, "Server does not support export names");
goto fail;
}
if (tlscreds) {
error_setg(errp, "Server does not support STARTTLS");
goto fail;
}
if (read_sync(ioc, &s, sizeof(s), errp) < 0) {
error_prepend(errp, "Failed to read export length");
goto fail;
}
*size = be64_to_cpu(s);
TRACE("Size is %" PRIu64, *size);
if (read_sync(ioc, &oldflags, sizeof(oldflags), errp) < 0) {
error_prepend(errp, "Failed to read export flags");
goto fail;
}
be32_to_cpus(&oldflags);
if (oldflags & ~0xffff) {
error_setg(errp, "Unexpected export flags %0x" PRIx32, oldflags);
goto fail;
}
*flags = oldflags;
} else {
error_setg(errp, "Bad magic received");
goto fail;
}
TRACE("Size is %" PRIu64 ", export flags %" PRIx16, *size, *flags);
if (zeroes && drop_sync(ioc, 124, errp) < 0) {
error_prepend(errp, "Failed to read reserved block");
goto fail;
}
rc = 0;
fail:
return rc;
}
| 10,572 |
qemu | 31fe14d15d08d613ff38abb249911e98c7966b86 | 0 | void spapr_events_fdt_skel(void *fdt, uint32_t epow_irq)
{
uint32_t epow_irq_ranges[] = {cpu_to_be32(epow_irq), cpu_to_be32(1)};
uint32_t epow_interrupts[] = {cpu_to_be32(epow_irq), 0};
_FDT((fdt_begin_node(fdt, "event-sources")));
_FDT((fdt_property(fdt, "interrupt-controller", NULL, 0)));
_FDT((fdt_property_cell(fdt, "#interrupt-cells", 2)));
_FDT((fdt_property(fdt, "interrupt-ranges",
epow_irq_ranges, sizeof(epow_irq_ranges))));
_FDT((fdt_begin_node(fdt, "epow-events")));
_FDT((fdt_property(fdt, "interrupts",
epow_interrupts, sizeof(epow_interrupts))));
_FDT((fdt_end_node(fdt)));
_FDT((fdt_end_node(fdt)));
}
| 10,573 |
qemu | b47d8efa9f430c332bf96ce6eede169eb48422ad | 0 | static void vfio_put_device(VFIOPCIDevice *vdev)
{
QLIST_REMOVE(vdev, next);
vdev->vbasedev.group = NULL;
trace_vfio_put_device(vdev->vbasedev.fd);
close(vdev->vbasedev.fd);
g_free(vdev->vbasedev.name);
if (vdev->msix) {
g_free(vdev->msix);
vdev->msix = NULL;
}
}
| 10,574 |
qemu | ba4b3f668abf1fcde204c8f3185ea6edeec6eaa3 | 0 | static int open_self_cmdline(void *cpu_env, int fd)
{
int fd_orig = -1;
bool word_skipped = false;
fd_orig = open("/proc/self/cmdline", O_RDONLY);
if (fd_orig < 0) {
return fd_orig;
}
while (true) {
ssize_t nb_read;
char buf[128];
char *cp_buf = buf;
nb_read = read(fd_orig, buf, sizeof(buf));
if (nb_read < 0) {
int e = errno;
fd_orig = close(fd_orig);
errno = e;
return -1;
} else if (nb_read == 0) {
break;
}
if (!word_skipped) {
/* Skip the first string, which is the path to qemu-*-static
instead of the actual command. */
cp_buf = memchr(buf, 0, sizeof(buf));
if (cp_buf) {
/* Null byte found, skip one string */
cp_buf++;
nb_read -= cp_buf - buf;
word_skipped = true;
}
}
if (word_skipped) {
if (write(fd, cp_buf, nb_read) != nb_read) {
int e = errno;
close(fd_orig);
errno = e;
return -1;
}
}
}
return close(fd_orig);
}
| 10,576 |
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