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matroskaenc: Write codec time base as default duration for video tracks.

Browse Source 
This isn't exactly semantically equivalent, but the field has already been
long abused to mean this, and writing it helps in determining a decent cfr
time base when transcoding from a mkv where the video codec stores none (VP8).

Originally committed as revision 23284 to svn://svn.ffmpeg.org/ffmpeg/trunk
oldabi
David Conrad 15 years ago
parent 31fdd64194
commit 7bb83d8ddf
3 changed files with 25 additions and 24 deletions
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  1. 1
      libavformat/matroskaenc.c
  2. 4
      tests/ref/lavf/mkv
  3. 44
      tests/ref/seek/lavf.mkv.ref

1
libavformat/matroskaenc.c
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@ -566,6 +566,7 @@ static int mkv_write_tracks(AVFormatContext *s)
switch (codec->codec_type) {
case AVMEDIA_TYPE_VIDEO:
put_ebml_uint(pb, MATROSKA_ID_TRACKTYPE, MATROSKA_TRACK_TYPE_VIDEO);
put_ebml_uint(pb, MATROSKA_ID_TRACKDEFAULTDURATION, av_q2d(codec->time_base)*1E9);
if (!native_id &&
ff_codec_get_tag(codec_movvideo_tags, codec->codec_id) &&

4
tests/ref/lavf/mkv
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@ -1,3 +1,3 @@
a0ce20d849aea1c6e138dd1101c8f162 *./tests/data/lavf/lavf.mkv
320463 ./tests/data/lavf/lavf.mkv
cf230e089e737ed9449fbfb3cb87da92 *./tests/data/lavf/lavf.mkv
320471 ./tests/data/lavf/lavf.mkv
./tests/data/lavf/lavf.mkv CRC=0x2a83e6b0

44
tests/ref/seek/lavf.mkv.ref
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@ -1,53 +1,53 @@
ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 505 size: 27837
ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 513 size: 27837
ret: 0 st:-1 flags:0 ts:-1.000000
ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 505 size: 27837
ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 513 size: 27837
ret: 0 st:-1 flags:1 ts: 1.894167
ret: 0 st: 0 flags:1 dts: 0.960000 pts: 0.960000 pos: 291894 size: 27834
ret: 0 st: 0 flags:1 dts: 0.960000 pts: 0.960000 pos: 291902 size: 27834
ret: 0 st: 0 flags:0 ts: 0.788000
ret: 0 st: 0 flags:1 dts: 0.960000 pts: 0.960000 pos: 291894 size: 27834
ret: 0 st: 0 flags:1 dts: 0.960000 pts: 0.960000 pos: 291902 size: 27834
ret: 0 st: 0 flags:1 ts:-0.317000
ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 505 size: 27837
ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 513 size: 27837
ret: 0 st: 1 flags:0 ts: 2.577000
ret:-EOF
ret: 0 st: 1 flags:1 ts: 1.471000
ret: 0 st: 1 flags:1 dts: 1.019000 pts: 1.019000 pos: 320167 size: 209
ret: 0 st: 1 flags:1 dts: 1.019000 pts: 1.019000 pos: 320175 size: 209
ret: 0 st:-1 flags:0 ts: 0.365002
ret: 0 st: 0 flags:1 dts: 0.480000 pts: 0.480000 pos: 146679 size: 27925
ret: 0 st: 0 flags:1 dts: 0.480000 pts: 0.480000 pos: 146687 size: 27925
ret: 0 st:-1 flags:1 ts:-0.740831
ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 505 size: 27837
ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 513 size: 27837
ret: 0 st: 0 flags:0 ts: 2.153000
ret:-EOF
ret: 0 st: 0 flags:1 ts: 1.048000
ret: 0 st: 0 flags:1 dts: 0.960000 pts: 0.960000 pos: 291894 size: 27834
ret: 0 st: 0 flags:1 dts: 0.960000 pts: 0.960000 pos: 291902 size: 27834
ret: 0 st: 1 flags:0 ts:-0.058000
ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 505 size: 27837
ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 513 size: 27837
ret: 0 st: 1 flags:1 ts: 2.836000
ret: 0 st: 1 flags:1 dts: 1.019000 pts: 1.019000 pos: 320167 size: 209
ret: 0 st: 1 flags:1 dts: 1.019000 pts: 1.019000 pos: 320175 size: 209
ret: 0 st:-1 flags:0 ts: 1.730004
ret:-EOF
ret: 0 st:-1 flags:1 ts: 0.624171
ret: 0 st: 0 flags:1 dts: 0.480000 pts: 0.480000 pos: 146679 size: 27925
ret: 0 st: 0 flags:1 dts: 0.480000 pts: 0.480000 pos: 146687 size: 27925
ret: 0 st: 0 flags:0 ts:-0.482000
ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 505 size: 27837
ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 513 size: 27837
ret: 0 st: 0 flags:1 ts: 2.413000
ret: 0 st: 0 flags:1 dts: 0.960000 pts: 0.960000 pos: 291894 size: 27834
ret: 0 st: 0 flags:1 dts: 0.960000 pts: 0.960000 pos: 291902 size: 27834
ret: 0 st: 1 flags:0 ts: 1.307000
ret:-EOF
ret: 0 st: 1 flags:1 ts: 0.201000
ret: 0 st: 1 flags:1 dts: 0.183000 pts: 0.183000 pos: 72075 size: 209
ret: 0 st: 1 flags:1 dts: 0.183000 pts: 0.183000 pos: 72083 size: 209
ret: 0 st:-1 flags:0 ts:-0.904994
ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 505 size: 27837
ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 513 size: 27837
ret: 0 st:-1 flags:1 ts: 1.989173
ret: 0 st: 0 flags:1 dts: 0.960000 pts: 0.960000 pos: 291894 size: 27834
ret: 0 st: 0 flags:1 dts: 0.960000 pts: 0.960000 pos: 291902 size: 27834
ret: 0 st: 0 flags:0 ts: 0.883000
ret: 0 st: 0 flags:1 dts: 0.960000 pts: 0.960000 pos: 291894 size: 27834
ret: 0 st: 0 flags:1 dts: 0.960000 pts: 0.960000 pos: 291902 size: 27834
ret: 0 st: 0 flags:1 ts:-0.222000
ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 505 size: 27837
ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 513 size: 27837
ret: 0 st: 1 flags:0 ts: 2.672000
ret:-EOF
ret: 0 st: 1 flags:1 ts: 1.566000
ret: 0 st: 1 flags:1 dts: 1.019000 pts: 1.019000 pos: 320167 size: 209
ret: 0 st: 1 flags:1 dts: 1.019000 pts: 1.019000 pos: 320175 size: 209
ret: 0 st:-1 flags:0 ts: 0.460008
ret: 0 st: 0 flags:1 dts: 0.480000 pts: 0.480000 pos: 146679 size: 27925
ret: 0 st: 0 flags:1 dts: 0.480000 pts: 0.480000 pos: 146687 size: 27925
ret: 0 st:-1 flags:1 ts:-0.645825
ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 505 size: 27837
ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 513 size: 27837

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