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In ts demuxer, output pes packet as soon as they are complete.

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This is needed for subtitles where packets are infrequent.
Patch by Janne Grunau, janne-ffmpeg at jannau dot net.


backport r23157 by bcoudurier


Originally committed as revision 23226 to svn://svn.ffmpeg.org/ffmpeg/branches/0.6
This commit is contained in:
Janne Grunau 2010-05-21 20:15:53 +00:00 committed by Reinhard Tartler
parent 85ed859e6b
commit b9a35435a5
1 changed files with 10 additions and 0 deletions
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10
libavformat/mpegts.c
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@ -807,6 +807,16 @@ static int mpegts_push_data(MpegTSFilter *filter,
pes->data_index += buf_size;
}
buf_size = 0;
/* emit complete packets with known packet size
* decreases demuxer delay for infrequent packets like subtitles from
* a couple of seconds to milliseconds for properly muxed files.
* total_size is the number of bytes following pes_packet_length
* in the pes header, i.e. not counting the first 6 bytes */
if (pes->total_size < MAX_PES_PAYLOAD &&
pes->pes_header_size + pes->data_index == pes->total_size + 6) {
ts->stop_parse = 1;
new_pes_packet(pes, ts->pkt);
}
break;
case MPEGTS_SKIP:
buf_size = 0;