[FFmpeg-devel] [PATCH] WebVTT demuxer - save cue id and settings as side data

Clément Bœsch ubitux at gmail.com
Fri May 31 20:18:28 CEST 2013


On Fri, May 31, 2013 at 11:13:02AM -0700, Matthew Heaney wrote:
> On Fri, May 31, 2013 at 6:32 AM, Clément Bœsch <ubitux at gmail.com> wrote:
> >
> > Note: I'm assuming you at least tested fate-sub-webvtt
> 
> Note that test sub-webvtt is failing, with the following error.  I
> don't know how to interpret this result.
> 
> (begin quote)
> 
> Input #0, webvtt, from '../ffmpeg-testdir/sub/WebVTT_capability_tester.vtt':
>   Duration: N/A, bitrate: N/A
>     Stream #0:0: Subtitle: webvtt
> 
> Codec AVOption threads () specified for input file #0
> (../ffmpeg-testdir/sub/WebVTT_capability_tester.vtt) has not been used
> for any stream. The most likely reason is either wrong type (e.g. a
> video option with no video streams) or that it is a private option of
> some decoder which was not actually used for any stream.
> 
> Codec AVOption thread_type (select multithreading type) specified for
> input file #0 (../ffmpeg-testdir/sub/WebVTT_capability_tester.vtt) has
> not been used for any stream. The most likely reason is either wrong
> type (e.g. a video option with no video streams) or that it is a
> private option of some decoder which was not actually used for any
> stream.
> 

Looks like unrelated warnings

> Output #0, ass, to 'md5:':
>   Metadata:
>     encoder         : Lavf55.8.102
>     Stream #0:0: Subtitle: ssa
> Stream mapping:
>   Stream #0:0 -> #0:0 (webvtt -> ssa)
> 
> (end quote)

If you have a md5 mismatch,

  make fate-sub-webvtt V=1

Replace "md5:" with "ref.ass", then retry the same command with a
different output after your changes and compare the two outputs.

-- 
Clément B.
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