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Code Issues Releases Activity

fftools/ffmpeg: factor out attaching FrameData to a frame

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Will be useful in following commits.
This commit is contained in:
Anton Khirnov
2023-05-27 12:25:51 +02:00
parent d7781cfb95
commit 9630341073
3 changed files with 19 additions and 3 deletions
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11
fftools/ffmpeg.c
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@@ -431,6 +431,17 @@ InputStream *ist_iter(InputStream *prev)
return NULL;
}
FrameData *frame_data(AVFrame *frame)
{
if (!frame->opaque_ref) {
frame->opaque_ref = av_buffer_allocz(sizeof(FrameData));
if (!frame->opaque_ref)
return NULL;
}
return (FrameData*)frame->opaque_ref->data;
}
void remove_avoptions(AVDictionary **a, AVDictionary *b)
{
const AVDictionaryEntry *t = NULL;

6
fftools/ffmpeg.h
View File

@@ -737,6 +737,12 @@ int init_complex_filtergraph(FilterGraph *fg);
int copy_av_subtitle(AVSubtitle *dst, const AVSubtitle *src);
/**
* Get our axiliary frame data attached to the frame, allocating it
* if needed.
*/
FrameData *frame_data(AVFrame *frame);
int ifilter_send_frame(InputFilter *ifilter, AVFrame *frame, int keep_reference);
int ifilter_send_eof(InputFilter *ifilter, int64_t pts, AVRational tb);
int ifilter_sub2video(InputFilter *ifilter, const AVSubtitle *sub);

5
fftools/ffmpeg_dec.c
View File

@@ -499,12 +499,11 @@ int dec_packet(InputStream *ist, const AVPacket *pkt, int no_eof)
FrameData *fd;
av_assert0(!frame->opaque_ref);
frame->opaque_ref = av_buffer_allocz(sizeof(*fd));
if (!frame->opaque_ref) {
fd = frame_data(frame);
if (!fd) {
av_frame_unref(frame);
report_and_exit(AVERROR(ENOMEM));
}
fd = (FrameData*)frame->opaque_ref->data;
fd->pts = frame->pts;
fd->tb = dec->pkt_timebase;
fd->idx = dec->frame_num - 1;