void av_bitstream_filter_close(AVBitStreamFilterContext *bsfc){
if(bsfc->filter->close)
bsfc->filter->close(bsfc);
av_freep(&bsfc->priv_data);
av_parser_close(bsfc->parser);
av_free(bsfc);
}
static void libavcodec_uninit(H264_CONTEXT* h264)
{
H264_CONTEXT_LIBAVCODEC* sys = (H264_CONTEXT_LIBAVCODEC*) h264->pSystemData;
if (!sys)
return;
if (sys->videoFrame)
{
av_free(sys->videoFrame);
}
if (sys->codecParser)
{
av_parser_close(sys->codecParser);
}
if (sys->codecContext)
{
avcodec_close(sys->codecContext);
av_free(sys->codecContext);
}
free(sys);
h264->pSystemData = NULL;
}
static int
old_flac_header (AVFormatContext * s, int idx)
{
struct ogg *ogg = s->priv_data;
AVStream *st = s->streams[idx];
struct ogg_stream *os = ogg->streams + idx;
AVCodecParserContext *parser = av_parser_init(AV_CODEC_ID_FLAC);
int size;
uint8_t *data;
if (!parser)
return -1;
st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
st->codec->codec_id = AV_CODEC_ID_FLAC;
parser->flags = PARSER_FLAG_COMPLETE_FRAMES;
av_parser_parse2(parser, st->codec,
&data, &size, os->buf + os->pstart, os->psize,
AV_NOPTS_VALUE, AV_NOPTS_VALUE, -1);
av_parser_close(parser);
if (st->codec->sample_rate) {
avpriv_set_pts_info(st, 64, 1, st->codec->sample_rate);
return 0;
}
return 1;
}
STDMETHODIMP CDecAvcodec::DestroyDecoder()
{
DbgLog((LOG_TRACE, 10, L"Shutting down ffmpeg..."));
m_pAVCodec = NULL;
if (m_pParser) {
av_parser_close(m_pParser);
m_pParser = NULL;
}
if (m_pAVCtx) {
avcodec_close(m_pAVCtx);
av_freep(&m_pAVCtx->extradata);
av_freep(&m_pAVCtx);
}
av_frame_free(&m_pFrame);
av_freep(&m_pFFBuffer);
m_nFFBufferSize = 0;
av_freep(&m_pFFBuffer2);
m_nFFBufferSize2 = 0;
if (m_pSwsContext) {
sws_freeContext(m_pSwsContext);
m_pSwsContext = NULL;
}
m_nCodecId = AV_CODEC_ID_NONE;
return S_OK;
}
STDMETHODIMP CDecAvcodec::Flush()
{
if (m_pAVCtx) {
avcodec_flush_buffers(m_pAVCtx);
}
if (m_pParser) {
av_parser_close(m_pParser);
m_pParser = av_parser_init(m_nCodecId);
}
m_CurrentThread = 0;
m_rtStartCache = AV_NOPTS_VALUE;
m_bWaitingForKeyFrame = TRUE;
m_h264RandomAccess.flush(m_pAVCtx->thread_count);
m_nBFramePos = 0;
m_tcBFrameDelay[0].rtStart = m_tcBFrameDelay[0].rtStop = AV_NOPTS_VALUE;
m_tcBFrameDelay[1].rtStart = m_tcBFrameDelay[1].rtStop = AV_NOPTS_VALUE;
if (!m_bDXVA && !(m_pCallback->GetDecodeFlags() & LAV_VIDEO_DEC_FLAG_DVD) && (m_nCodecId == AV_CODEC_ID_H264 || m_nCodecId == AV_CODEC_ID_MPEG2VIDEO)) {
InitDecoder(m_nCodecId, &m_pCallback->GetInputMediaType());
}
return __super::Flush();
}
static av_cold int uninit(AVCodecContext *avctx)
{
CHDContext *priv = avctx->priv_data;
HANDLE device;
device = priv->dev;
DtsStopDecoder(device);
DtsCloseDecoder(device);
DtsDeviceClose(device);
av_parser_close(priv->parser);
if (priv->bsfc) {
av_bitstream_filter_close(priv->bsfc);
}
av_free(priv->sps_pps_buf);
if (priv->pic.data[0])
avctx->release_buffer(avctx, &priv->pic);
if (priv->head) {
OpaqueList *node = priv->head;
while (node) {
OpaqueList *next = node->next;
av_free(node);
node = next;
}
}
return 0;
}
static void remove_extradata_close(AVBSFContext *ctx)
{
RemoveExtradataContext *s = ctx->priv_data;
avcodec_free_context(&s->avctx);
av_parser_close(s->parser);
}
int ff_qsv_decode_close(QSVContext *q)
{
QSVFrame *cur = q->work_frames;
if (q->session)
MFXVideoDECODE_Close(q->session);
while (q->async_fifo && av_fifo_size(q->async_fifo)) {
QSVFrame *out_frame;
mfxSyncPoint *sync;
av_fifo_generic_read(q->async_fifo, &out_frame, sizeof(out_frame), NULL);
av_fifo_generic_read(q->async_fifo, &sync, sizeof(sync), NULL);
av_freep(&sync);
}
while (cur) {
q->work_frames = cur->next;
av_frame_free(&cur->frame);
av_freep(&cur);
cur = q->work_frames;
}
av_fifo_free(q->async_fifo);
q->async_fifo = NULL;
av_parser_close(q->parser);
avcodec_free_context(&q->avctx_internal);
if (q->internal_session)
MFXClose(q->internal_session);
return 0;
}
FFmpegH264Decoder<LIBAV_VER>::~FFmpegH264Decoder()
{
MOZ_COUNT_DTOR(FFmpegH264Decoder);
if (mCodecParser) {
av_parser_close(mCodecParser);
mCodecParser = nullptr;
}
}
static
void
ppb_video_decoder_destroy_priv(void *p)
{
struct pp_video_decoder_s *vd = p;
if (vd->orig_graphics3d) {
pp_resource_unref(vd->orig_graphics3d);
vd->orig_graphics3d = 0;
}
if (vd->graphics3d) {
pp_resource_unref(vd->graphics3d);
vd->graphics3d = 0;
}
if (vd->avparser) {
av_parser_close(vd->avparser);
vd->avparser = NULL;
}
if (vd->avctx)
avcodec_free_context(&vd->avctx);
if (vd->avframe)
av_frame_free(&vd->avframe);
if (vd->va_context.context_id) {
vaDestroyContext(display.va, vd->va_context.context_id);
vd->va_context.context_id = 0;
}
if (vd->va_context.config_id) {
vaDestroyConfig(display.va, vd->va_context.config_id);
vd->va_context.config_id = 0;
}
vaDestroySurfaces(display.va, vd->surfaces, MAX_VIDEO_SURFACES);
for (uintptr_t k = 0; k < MAX_VIDEO_SURFACES; k ++) {
vd->surfaces[k] = VA_INVALID_SURFACE;
vd->surface_used[k] = 0;
}
for (uintptr_t k = 0; k < vd->buffer_count; k ++) {
vd->ppp_video_decoder_dev->DismissPictureBuffer(vd->instance->id, vd->self_id,
vd->buffers[k].id);
pthread_mutex_lock(&display.lock);
glXDestroyPixmap(display.x, vd->buffers[k].glx_pixmap);
XFreePixmap(display.x, vd->buffers[k].pixmap);
pthread_mutex_unlock(&display.lock);
}
vd->buffer_count = 0;
vd->buffers_were_requested = 0;
free_and_nullify(vd->buffers);
}
SharedVideoContext::~SharedVideoContext() {
if (CodecContext) {
avcodec_close(CodecContext);
if (FreeCodecContext)
av_freep(&CodecContext);
}
av_parser_close(Parser);
if (BitStreamFilter)
av_bitstream_filter_close(BitStreamFilter);
delete TCC;
}
void video_stop_decoder() {
//Send a NULL buffer to the callback to indicate that we're done.
frame_processing_callback(NULL, 0, 0, 0);
avcodec_close(context);
//quite recent and not very useful for us, always use avcodec_close for now.
//avcodec_free_context(&context);
av_parser_close(cpContext);
av_frame_free(¤t_frame);
if(tempBuffer != NULL)
free(tempBuffer);
}
void DisposeParser()
{
if (m_parser)
{
av_parser_close(m_parser);
m_parser = nullptr;
}
if (m_context)
{
avcodec_close(m_context);
m_context = nullptr;
}
}
static av_unused int64_t flac_read_timestamp(AVFormatContext *s, int stream_index,
int64_t *ppos, int64_t pos_limit)
{
AVPacket pkt, out_pkt;
AVStream *st = s->streams[stream_index];
AVCodecParserContext *parser;
int ret;
int64_t pts = AV_NOPTS_VALUE;
if (avio_seek(s->pb, *ppos, SEEK_SET) < 0)
return AV_NOPTS_VALUE;
av_init_packet(&pkt);
parser = av_parser_init(st->codec->codec_id);
if (!parser){
return AV_NOPTS_VALUE;
}
parser->flags |= PARSER_FLAG_USE_CODEC_TS;
for (;;){
ret = ff_raw_read_partial_packet(s, &pkt);
if (ret < 0){
if (ret == AVERROR(EAGAIN))
continue;
else
break;
}
av_init_packet(&out_pkt);
ret = av_parser_parse2(parser, st->codec,
&out_pkt.data, &out_pkt.size, pkt.data, pkt.size,
pkt.pts, pkt.dts, *ppos);
av_free_packet(&pkt);
if (out_pkt.size){
int size = out_pkt.size;
if (parser->pts != AV_NOPTS_VALUE){
// seeking may not have started from beginning of a frame
// calculate frame start position from next frame backwards
*ppos = parser->next_frame_offset - size;
pts = parser->pts;
break;
}
}
}
av_parser_close(parser);
return pts;
}
void ff_free_parser_state(AVFormatContext *s, AVParserState *state)
{
int i;
AVParserStreamState *ss;
if (!state)
return;
for (i = 0; i < state->nb_streams; i++) {
ss = &state->stream_states[i];
if (ss->parser)
av_parser_close(ss->parser);
}
av_free(state->stream_states);
av_free(state);
}
static av_cold int uninit(AVCodecContext *avctx)
{
CHDContext *priv = avctx->priv_data;
HANDLE device;
device = priv->dev;
DtsStopDecoder(device);
DtsCloseDecoder(device);
DtsDeviceClose(device);
/*
* Restore original extradata, so that if the decoder is
* reinitialised, the bitstream detection and filtering
* will work as expected.
*/
if (priv->orig_extradata) {
av_free(avctx->extradata);
avctx->extradata = priv->orig_extradata;
avctx->extradata_size = priv->orig_extradata_size;
priv->orig_extradata = NULL;
priv->orig_extradata_size = 0;
}
av_parser_close(priv->parser);
if (priv->bsfc) {
av_bitstream_filter_close(priv->bsfc);
}
av_free(priv->sps_pps_buf);
if (priv->pic.data[0])
avctx->release_buffer(avctx, &priv->pic);
if (priv->head) {
OpaqueList *node = priv->head;
while (node) {
OpaqueList *next = node->next;
av_free(node);
node = next;
}
}
return 0;
}
static void
gst_vaapi_decoder_ffmpeg_close(GstVaapiDecoderFfmpeg *ffdecoder)
{
GstVaapiDecoderFfmpegPrivate * const priv = ffdecoder->priv;
if (priv->avctx) {
if (priv->is_opened) {
avcodec_close(priv->avctx);
priv->is_opened = FALSE;
}
av_freep(&priv->avctx->extradata);
priv->avctx->extradata_size = 0;
}
if (priv->pctx) {
av_parser_close(priv->pctx);
priv->pctx = NULL;
}
}
void CVideoDecoder2::Finit(void)
{
if(pQueueMutex){
uv_mutex_destroy(pQueueMutex);
free(pQueueMutex);
pQueueMutex = NULL;
}
if(pQueueNotEmpty){
uv_cond_destroy(pQueueNotEmpty);
free(pQueueNotEmpty);
pQueueNotEmpty = NULL;
}
sws_freeContext(pConvertCtx);
av_parser_close(pCodecParserCtx);
av_frame_free(&pFrame);
av_frame_free(&pFrameYUV);
avcodec_close(pCodecCtx);
av_freep(pCodecCtx);
bInit = false;
}
void ff_free_parser_state(AVFormatContext *s, AVParserState *state)
{
int i;
AVParserStreamState *ss;
if (!state)
return;
for (i = 0; i < state->nb_streams; i++) {
ss = &state->stream_states[i];
if (ss->parser)
av_parser_close(ss->parser);
av_free_packet(&ss->cur_pkt);
}
free_packet_list(state->packet_buffer);
free_packet_list(state->raw_packet_buffer);
av_free(state->stream_states);
av_free(state);
}
void ff_closeH264Dec() {
if(parser) {
av_parser_close(parser);
parser = NULL;
}
if(pFrame) {
av_frame_free(&pFrame);
pFrame = NULL;
}
if(pFrame2) {
av_frame_free(&pFrame2);
pFrame2 = NULL;
}
if(pFrame2Buf) {
av_free(pFrame2Buf);
pFrame2Buf = NULL;
}
if(img_convert_ctx) {
sws_freeContext(img_convert_ctx);
img_convert_ctx = NULL;
}
if(pCodecCtx) {
avcodec_close(pCodecCtx);
av_free(pCodecCtx);
pCodecCtx = NULL;
}
}
int ff_qsv_decode_close(QSVContext *q)
{
QSVFrame *cur = q->work_frames;
while (cur) {
q->work_frames = cur->next;
av_frame_free(&cur->frame);
av_freep(&cur);
cur = q->work_frames;
}
av_fifo_free(q->async_fifo);
q->async_fifo = NULL;
av_parser_close(q->parser);
avcodec_free_context(&q->avctx_internal);
if (q->internal_session)
MFXClose(q->internal_session);
return 0;
}
HRESULT CLAVAudio::FreeBitstreamContext()
{
if (m_avBSContext) {
av_write_trailer(m_avBSContext); // For the SPDIF muxer that frees the buffers
avformat_free_context(m_avBSContext);
}
m_avBSContext = NULL;
if (m_pParser)
av_parser_close(m_pParser);
m_pParser = NULL;
if (m_pAVCtx) {
if (m_pAVCtx->codec)
avcodec_close(m_pAVCtx);
av_freep(&m_pAVCtx->extradata);
av_freep(&m_pAVCtx);
}
// Dump any remaining data
m_bsOutput.SetSize(0);
return S_OK;
}
int main(int argc, char* argv[])
{
AVCodec *pCodec;
AVCodecContext *pCodecCtx= NULL;
AVCodecParserContext *pCodecParserCtx=NULL;
int frame_count;
FILE *fp_in;
FILE *fp_out;
AVFrame *pFrame,*pFrameYUV;
uint8_t *out_buffer;
const int in_buffer_size=4096;
uint8_t in_buffer[in_buffer_size + FF_INPUT_BUFFER_PADDING_SIZE]={0};
uint8_t *cur_ptr;
int cur_size;
AVPacket packet;
int ret, got_picture;
int y_size;
#if TEST_HEVC
enum AVCodecID codec_id=AV_CODEC_ID_HEVC;
char filepath_in[]="bigbuckbunny_480x272.hevc";
#elif TEST_H264
AVCodecID codec_id=AV_CODEC_ID_H264;
char filepath_in[]="bigbuckbunny_480x272.h264";
#else
AVCodecID codec_id=AV_CODEC_ID_MPEG2VIDEO;
char filepath_in[]="bigbuckbunny_480x272.m2v";
#endif
char filepath_out[]="bigbuckbunny_480x272.yuv";
int first_time=1;
struct SwsContext *img_convert_ctx;
//av_log_set_level(AV_LOG_DEBUG);
avcodec_register_all();
pCodec = avcodec_find_decoder(codec_id);
if (!pCodec) {
printf("Codec not found\n");
return -1;
}
pCodecCtx = avcodec_alloc_context3(pCodec);
if (!pCodecCtx){
printf("Could not allocate video codec context\n");
return -1;
}
pCodecParserCtx=av_parser_init(codec_id);
if (!pCodecParserCtx){
printf("Could not allocate video parser context\n");
return -1;
}
//if(pCodec->capabilities&CODEC_CAP_TRUNCATED)
// pCodecCtx->flags|= CODEC_FLAG_TRUNCATED; /* we do not send complete frames */
if (avcodec_open2(pCodecCtx, pCodec, NULL) < 0) {
printf("Could not open codec\n");
return -1;
}
//Input File
fp_in = fopen(filepath_in, "rb");
if (!fp_in) {
printf("Could not open input stream\n");
return -1;
}
//Output File
fp_out = fopen(filepath_out, "wb");
if (!fp_out) {
printf("Could not open output YUV file\n");
return -1;
}
pFrame = av_frame_alloc();
av_init_packet(&packet);
while (1) {
cur_size = fread(in_buffer, 1, in_buffer_size, fp_in);
if (cur_size == 0)
break;
cur_ptr=in_buffer;
while (cur_size>0){
int len = av_parser_parse2(
pCodecParserCtx, pCodecCtx,
&packet.data, &packet.size,
cur_ptr , cur_size ,
AV_NOPTS_VALUE, AV_NOPTS_VALUE, AV_NOPTS_VALUE);
cur_ptr += len;
cur_size -= len;
if(packet.size==0)
continue;
//Some Info from AVCodecParserContext
printf("Packet Size:%6d\t",packet.size);
switch(pCodecParserCtx->pict_type){
case AV_PICTURE_TYPE_I: printf("Type: I\t");break;
case AV_PICTURE_TYPE_P: printf("Type: P\t");break;
case AV_PICTURE_TYPE_B: printf("Type: B\t");break;
default: printf("Type: Other\t");break;
}
printf("Output Number:%4d\t",pCodecParserCtx->output_picture_number);
printf("Offset:%lld\n",pCodecParserCtx->cur_offset);
ret = avcodec_decode_video2(pCodecCtx, pFrame, &got_picture, &packet);
if (ret < 0) {
printf("Decode Error.\n");
return ret;
}
if (got_picture) {
if(first_time){
printf("\nCodec Full Name:%s\n",pCodecCtx->codec->long_name);
printf("width:%d\nheight:%d\n\n",pCodecCtx->width,pCodecCtx->height);
//SwsContext
img_convert_ctx = sws_getContext(pCodecCtx->width, pCodecCtx->height, pCodecCtx->pix_fmt,
pCodecCtx->width, pCodecCtx->height, PIX_FMT_YUV420P, SWS_BICUBIC, NULL, NULL, NULL);
pFrameYUV=av_frame_alloc();
out_buffer=(uint8_t *)av_malloc(avpicture_get_size(PIX_FMT_YUV420P, pCodecCtx->width, pCodecCtx->height));
avpicture_fill((AVPicture *)pFrameYUV, out_buffer, PIX_FMT_YUV420P, pCodecCtx->width, pCodecCtx->height);
y_size=pCodecCtx->width*pCodecCtx->height;
first_time=0;
}
printf("Succeed to decode 1 frame!\n");
sws_scale(img_convert_ctx, (const uint8_t* const*)pFrame->data, pFrame->linesize, 0, pCodecCtx->height,
pFrameYUV->data, pFrameYUV->linesize);
fwrite(pFrameYUV->data[0],1,y_size,fp_out); //Y
fwrite(pFrameYUV->data[1],1,y_size/4,fp_out); //U
fwrite(pFrameYUV->data[2],1,y_size/4,fp_out); //V
}
}
}
//Flush Decoder
packet.data = NULL;
packet.size = 0;
while(1){
ret = avcodec_decode_video2(pCodecCtx, pFrame, &got_picture, &packet);
if (ret < 0) {
printf("Decode Error.\n");
return ret;
}
if (!got_picture)
break;
if (got_picture) {
printf("Flush Decoder: Succeed to decode 1 frame!\n");
sws_scale(img_convert_ctx, (const uint8_t* const*)pFrame->data, pFrame->linesize, 0, pCodecCtx->height,
pFrameYUV->data, pFrameYUV->linesize);
fwrite(pFrameYUV->data[0],1,y_size,fp_out); //Y
fwrite(pFrameYUV->data[1],1,y_size/4,fp_out); //U
fwrite(pFrameYUV->data[2],1,y_size/4,fp_out); //V
}
}
fclose(fp_in);
fclose(fp_out);
sws_freeContext(img_convert_ctx);
av_parser_close(pCodecParserCtx);
av_frame_free(&pFrameYUV);
av_frame_free(&pFrame);
avcodec_close(pCodecCtx);
av_free(pCodecCtx);
return 0;
}
int main(int argc, char **argv)
{
const char *filename, *outfilename;
const AVCodec *codec;
AVCodecParserContext *parser;
AVCodecContext *c= NULL;
FILE *f;
AVFrame *picture;
uint8_t inbuf[INBUF_SIZE + AV_INPUT_BUFFER_PADDING_SIZE];
uint8_t *data;
size_t data_size;
int ret;
AVPacket *pkt;
if (argc <= 2) {
fprintf(stderr, "Usage: %s <input file> <output file>\n", argv[0]);
exit(0);
}
filename = argv[1];
outfilename = argv[2];
avcodec_register_all();
pkt = av_packet_alloc();
if (!pkt)
exit(1);
/* set end of buffer to 0 (this ensures that no overreading happens for damaged MPEG streams) */
memset(inbuf + INBUF_SIZE, 0, AV_INPUT_BUFFER_PADDING_SIZE);
/* find the MPEG-1 video decoder */
codec = avcodec_find_decoder(AV_CODEC_ID_MPEG1VIDEO);
if (!codec) {
fprintf(stderr, "codec not found\n");
exit(1);
}
parser = av_parser_init(codec->id);
if (!parser) {
fprintf(stderr, "parser not found\n");
exit(1);
}
c = avcodec_alloc_context3(codec);
picture = av_frame_alloc();
/* For some codecs, such as msmpeg4 and mpeg4, width and height
MUST be initialized there because this information is not
available in the bitstream. */
/* open it */
if (avcodec_open2(c, codec, NULL) < 0) {
fprintf(stderr, "could not open codec\n");
exit(1);
}
f = fopen(filename, "rb");
if (!f) {
fprintf(stderr, "could not open %s\n", filename);
exit(1);
}
while (!feof(f)) {
/* read raw data from the input file */
data_size = fread(inbuf, 1, INBUF_SIZE, f);
if (!data_size)
break;
/* use the parser to split the data into frames */
data = inbuf;
while (data_size > 0) {
ret = av_parser_parse2(parser, c, &pkt->data, &pkt->size,
data, data_size, AV_NOPTS_VALUE, AV_NOPTS_VALUE, 0);
if (ret < 0) {
fprintf(stderr, "Error while parsing\n");
exit(1);
}
data += ret;
data_size -= ret;
if (pkt->size)
decode(c, picture, pkt, outfilename);
}
}
/* flush the decoder */
decode(c, picture, NULL, outfilename);
fclose(f);
av_parser_close(parser);
avcodec_free_context(&c);
av_frame_free(&picture);
av_packet_free(&pkt);
return 0;
}
static void clear_parser(sh_common_t *sh)
{
av_parser_close(sh->parser);
sh->parser = NULL;
av_freep(&sh->avctx);
}
static gboolean
gst_vaapi_decoder_ffmpeg_open(GstVaapiDecoderFfmpeg *ffdecoder, GstBuffer *buffer)
{
GstVaapiDecoderFfmpegPrivate * const priv = ffdecoder->priv;
GstVaapiDisplay * const display = GST_VAAPI_DECODER_DISPLAY(ffdecoder);
GstBuffer * const codec_data = GST_VAAPI_DECODER_CODEC_DATA(ffdecoder);
GstVaapiCodec codec = GST_VAAPI_DECODER_CODEC(ffdecoder);
enum CodecID codec_id;
AVCodec *ffcodec;
gboolean try_parser, need_parser;
int ret;
gst_vaapi_decoder_ffmpeg_close(ffdecoder);
if (codec_data) {
const guchar *data = GST_BUFFER_DATA(codec_data);
const guint size = GST_BUFFER_SIZE(codec_data);
if (!set_codec_data(priv->avctx, data, size))
return FALSE;
}
codec_id = get_codec_id_from_codec(codec);
if (codec_id == CODEC_ID_NONE)
return FALSE;
ffcodec = avcodec_find_decoder(codec_id);
if (!ffcodec)
return FALSE;
switch (codec_id) {
case CODEC_ID_H264:
/* For AVC1 formats, sequence headers are in extradata and
input encoded buffers represent the whole NAL unit */
try_parser = priv->avctx->extradata_size == 0;
need_parser = try_parser;
break;
case CODEC_ID_WMV3:
/* There is no WMV3 parser in FFmpeg */
try_parser = FALSE;
need_parser = FALSE;
break;
case CODEC_ID_VC1:
/* For VC-1, sequence headers ae in extradata and input encoded
buffers represent the whole slice */
try_parser = priv->avctx->extradata_size == 0;
need_parser = FALSE;
break;
default:
try_parser = TRUE;
need_parser = TRUE;
break;
}
if (try_parser) {
priv->pctx = av_parser_init(codec_id);
if (!priv->pctx && need_parser)
return FALSE;
}
/* XXX: av_find_stream_info() does this and some codecs really
want hard an extradata buffer for initialization (e.g. VC-1) */
if (!priv->avctx->extradata && priv->pctx && priv->pctx->parser->split) {
const guchar *buf = GST_BUFFER_DATA(buffer);
guint buf_size = GST_BUFFER_SIZE(buffer);
buf_size = priv->pctx->parser->split(priv->avctx, buf, buf_size);
if (buf_size > 0 && !set_codec_data(priv->avctx, buf, buf_size))
return FALSE;
}
if (priv->pctx && !need_parser) {
av_parser_close(priv->pctx);
priv->pctx = NULL;
}
/* Use size information from the demuxer, whenever available */
priv->avctx->coded_width = GST_VAAPI_DECODER_WIDTH(ffdecoder);
priv->avctx->coded_height = GST_VAAPI_DECODER_HEIGHT(ffdecoder);
GST_VAAPI_DISPLAY_LOCK(display);
ret = avcodec_open(priv->avctx, ffcodec);
GST_VAAPI_DISPLAY_UNLOCK(display);
if (ret < 0)
return FALSE;
return TRUE;
}