[FFmpeg-user] wmv3+wma2.mov: Failed to open codec / Unable to parse option value "(null)" as sample format

ffmpeg at zoot.org ffmpeg at zoot.org
Fri May 5 02:32:39 EEST 2017


ffmpeg at zoot.org wrote:

> Moritz Barsnick wrote:
> 
> > On Thu, May 04, 2017 at 10:58:47 +1000, ffmpeg at zoot.org wrote:
> > >   [wmav2 @ 0x7fdbeb01cc00] block_align is not set
> > >   [mov,mp4,m4a,3gp,3g2,mj2 @ 0x7fdbeb001200] Failed to open codec in av_find_stream_info
> > >   [wmav2 @ 0x7fdbeb01cc00] block_align is not set
> > 
> > Either the codec is misidentified (or mistagged in the MOV file), or
> > ffmpeg doesn't like the combination wma+mov.
> > 
> > >   [abuffer @ 0x7fdbea5006c0] Unable to parse option value "(null)" as sample format
> > 
> > Perhaps it would help to indicate to ffmpeg the input sample format
> > (but I'm only guessing).
> > 
> > Do you have a file sample you can share?
> > 
> > > Any idea what this is trying to tell me?
> > > Is there something wrong with the file?
> > 
> > Perhaps.
> > 
> > > Or with the ffmpeg installation?
> > 
> > Unlikely.
> > 
> > > Or the command? Or something else?
> > 
> > No, under normal circumstances, your command is fine.
> > 
> > Have you tried:
> > $ ffmpeg -i in.mov -c copy out.wmv
> > ?
> > 
> > Moritz.
> 
> Thanks Moritz.
> I thought it was a wierd file.
> Never mind. It's not important.

Oh, yes, I had tried copying the codecs into a wmv file
but it produced no video and completely corrupt audio
(just clicky noises).



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