[FFmpeg-trac] #377(undetermined:new): ffmpeg reports inaccurate length of some gxf files

[FFmpeg]

#377: ffmpeg reports inaccurate length of some gxf files
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Reporter:  acloutier              |       Owner:
    Type:  defect                 |      Status:  new
Priority:  important              |   Component:  undetermined
 Version:  git                    |  Resolution:
Keywords:  gxf ffmpeg length bug  |  Blocked By:
Blocking:                         |  Reproduced:  0
Analyzed:  0                      |
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Comment (by acloutier):

 Got it, thanks.

 {{{
 diff --git a/libavformat/gxf.c b/libavformat/gxf.c
 index 15893a4..6c12048 100644

 --- a/libavformat/gxf.c
 +++ b/libavformat/gxf.c
 @@ -348,6 +348,9 @@ static int gxf_header(AVFormatContext *s,
 AVFormatParameters *ap) {

              if (!main_timebase.num || !main_timebase.den) {
                  // this may not always be correct, but simply the best we
 can get
                  main_timebase.num = fps.den;
 +                if ( ( (double) fps.num ) / fps.den > 59 )
 +                    main_timebase.den = fps.num;
 +                else
                      main_timebase.den = fps.num * 2;
              }
          } else
 }}}

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Ticket URL: <https://avcodec.org/trac/ffmpeg/ticket/377#comment:9>
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