diff options
| author | Nicolas George <nicolas.george@normalesup.org> | 2012-08-19 18:08:40 +0200 |
|---|---|---|
| committer | Nicolas George <nicolas.george@normalesup.org> | 2012-08-22 19:04:30 +0200 |
| commit | ac07f941ae1626bfd8e201a3771c67e54073e31e (patch) | |
| tree | be4c37e61fc31df5e8f352570752be05cde92c00 /ffmpeg.c | |
| parent | 3f943fe6815b493741ff65f6c25ca856c38cdafc (diff) | |
| download | ffmpeg-ac07f941ae1626bfd8e201a3771c67e54073e31e.tar.gz | |
ffmpeg: use AV_BUFFERSRC_FLAG_PUSH.
It reduces the lifespan of buffers in filter graphs,
and therefore the memory consumption.
Diffstat (limited to 'ffmpeg.c')
| -rw-r--r-- | ffmpeg.c | 11 |
1 files changed, 7 insertions, 4 deletions
@@ -193,7 +193,8 @@ static void sub2video_push_ref(InputStream *ist, int64_t pts) av_buffersrc_add_ref(ist->filters[i]->filter, avfilter_ref_buffer(ref, ~0), AV_BUFFERSRC_FLAG_NO_CHECK_FORMAT | - AV_BUFFERSRC_FLAG_NO_COPY); + AV_BUFFERSRC_FLAG_NO_COPY | + AV_BUFFERSRC_FLAG_PUSH); } static void sub2video_update(InputStream *ist, AVSubtitle *sub, int64_t pts) @@ -1508,7 +1509,8 @@ static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output) decoded_frame_tb, (AVRational){1, ist->st->codec->sample_rate}); for (i = 0; i < ist->nb_filters; i++) - av_buffersrc_add_frame(ist->filters[i]->filter, decoded_frame, 0); + av_buffersrc_add_frame(ist->filters[i]->filter, decoded_frame, + AV_BUFFERSRC_FLAG_PUSH); decoded_frame->pts = AV_NOPTS_VALUE; @@ -1619,9 +1621,10 @@ static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output) buf->refcount++; av_buffersrc_add_ref(ist->filters[i]->filter, fb, AV_BUFFERSRC_FLAG_NO_CHECK_FORMAT | - AV_BUFFERSRC_FLAG_NO_COPY); + AV_BUFFERSRC_FLAG_NO_COPY | + AV_BUFFERSRC_FLAG_PUSH); } else - if(av_buffersrc_add_frame(ist->filters[i]->filter, decoded_frame, 0)<0) { + if(av_buffersrc_add_frame(ist->filters[i]->filter, decoded_frame, AV_BUFFERSRC_FLAG_PUSH)<0) { av_log(NULL, AV_LOG_FATAL, "Failed to inject frame into filter network\n"); exit_program(1); } |