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ffmpeg: fix massive leak occurring when seeking 

Avoid to add frames to the vsrc_buffer in the case ist->pts <
start_time, as these frames are unused (and never released). In
particular this condition is verified with commands of the kind:
ffmpeg -i INPUT -ss TIME OUTPUT

Also allow a minor simplification.
This commit is contained in:
Stefano Sabatini 2011-06-03 19:03:44 +02:00
parent cea87fb2c3
commit e4841a404b
1 changed files with 7 additions and 15 deletions
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22
ffmpeg.c
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@ -1656,21 +1656,6 @@ static int output_packet(AVInputStream *ist, int ist_index,
avpkt.size = 0;
}
#if CONFIG_AVFILTER
if(ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
for(i=0;i<nb_ostreams;i++) {
ost = ost_table[i];
if (ost->input_video_filter && ost->source_index == ist_index) {
if (!picture.sample_aspect_ratio.num)
picture.sample_aspect_ratio = ist->st->sample_aspect_ratio;
picture.pts = ist->pts;
av_vsrc_buffer_add_frame(ost->input_video_filter, &picture);
}
}
}
#endif
// preprocess audio (volume)
if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
if (audio_volume != 256) {
@ -1701,6 +1686,13 @@ static int output_packet(AVInputStream *ist, int ist_index,
ost = ost_table[i];
if (ost->source_index == ist_index) {
#if CONFIG_AVFILTER
if (ost->input_video_filter) {
if (!picture.sample_aspect_ratio.num)
picture.sample_aspect_ratio = ist->st->sample_aspect_ratio;
picture.pts = ist->pts;
av_vsrc_buffer_add_frame(ost->input_video_filter, &picture);
}
frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
!ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
while (frame_available) {