[FFmpeg-trac] #2231(undetermined:closed): Remuxing some H264 WTV file to TS files generates no audio and excessive clipping messages

FFmpeg trac at avcodec.org
Mon Feb 4 03:19:21 CET 2013


#2231: Remuxing some H264 WTV file to TS files generates no audio and excessive
clipping messages
-------------------------------------+-------------------------------------
             Reporter:  ramitbhalla  |                    Owner:
                 Type:  defect       |                   Status:  closed
             Priority:  normal       |                Component:
              Version:  unspecified  |  undetermined
             Keywords:               |               Resolution:  invalid
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
-------------------------------------+-------------------------------------

Comment (by ramitbhalla):

 Replying to [comment:5 cehoyos]:
 > Replying to [comment:4 cehoyos]:
 > > Replying to [comment:3 ramitbhalla]:
 > > > the original video plays fine on WMP, so if I'm copying the audio it
 should play right?
 > >
 > > Why do you think so?
 >
 > To elaborate a bit in case this is unclear:
 > I hope you agree that this command cannot produce an output file that
 plays with WMP:
 > $ ffmpeg -i latm_input -acodec copy -vn out.mkv
 > because WMP does not support matroska files
 1. This DOES work, I have Haali media splitter installed and the audio is
 playing back perfectly, no issues.
 >
 > So assuming that WMP does not support latm in mpeg-ts (this may be
 wrong, but it fails for a random sample I tried and for FFmpeg-produced
 files as you tested, so it is at least possible that it is unsupported),
 why should the following command produce a non-silent file for WMP?
 > $ ffmpeg -i latm_input -acodec copy -vn out.ts
 2. I am unable to play the TS files in WMP, don't know why since the MKV
 is playing.

 3. Why are there so many clipping messages? Is that normal?

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2231#comment:6>
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