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timestamps generation improvement when parsing avi

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patch by Joakim \ elupus chez ecce dot se /
original thread:
date: 03/19/2007 01:47 AM
subject: [Ffmpeg-devel] [RFC] Improvement for the odd timestamp generation when parser is in use.

Originally committed as revision 8725 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Joakim Plate
2007-04-13 07:50:04 +00:00
committed by Benoit Fouet
parent 946d3b12a1
commit a74008a4c3
5 changed files with 25 additions and 7 deletions
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3
libavcodec/parser.c
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@@ -124,6 +124,7 @@ int av_parser_parse(AVCodecParserContext *s,
s->fetch_timestamp=0;
s->last_pts = pts;
s->last_dts = dts;
s->last_offset = 0;
s->cur_frame_pts[k] =
s->cur_frame_dts[k] = AV_NOPTS_VALUE;
}
@@ -138,6 +139,7 @@ int av_parser_parse(AVCodecParserContext *s,
s->frame_offset = s->last_frame_offset;
s->pts = s->last_pts;
s->dts = s->last_dts;
s->offset = s->last_offset;
/* offset of the next frame */
s->last_frame_offset = s->cur_offset + index;
@@ -156,6 +158,7 @@ int av_parser_parse(AVCodecParserContext *s,
s->last_pts = s->cur_frame_pts[k];
s->last_dts = s->cur_frame_dts[k];
s->last_offset = s->last_frame_offset - s->cur_frame_offset[k];
/* some parsers tell us the packet size even before seeing the first byte of the next packet,
so the next pts/dts is in the next chunk */