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support discarding uninterresting packets

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Originally committed as revision 3860 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer
2005-01-22 13:36:02 +00:00
parent e19456e3ee
commit b9866ebcc7
8 changed files with 33 additions and 9 deletions
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6
libavformat/mpeg.c
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@@ -1533,6 +1533,8 @@ static int mpegps_read_packet(AVFormatContext *s,
if (codec_id != CODEC_ID_PCM_S16BE)
st->need_parsing = 1;
found:
if(st->discard)
goto skip;
if (startcode >= 0xa0 && startcode <= 0xbf) {
int b1, freq;
@@ -1555,8 +1557,8 @@ static int mpegps_read_packet(AVFormatContext *s,
pkt->dts = dts;
pkt->stream_index = st->index;
#if 0
av_log(s, AV_LOG_DEBUG, "%d: pts=%0.3f dts=%0.3f\n",
pkt->stream_index, pkt->pts / 90000.0, pkt->dts / 90000.0);
av_log(s, AV_LOG_DEBUG, "%d: pts=%0.3f dts=%0.3f size=%d\n",
pkt->stream_index, pkt->pts / 90000.0, pkt->dts / 90000.0, pkt->size);
#endif
return 0;