[FFmpeg-user] Could not find codec parameters for stream 1 (Audio: pcm_mulaw, 8000 Hz, mono, 64 kb/s): unspecified sample format

[Mark Filipak]

On 04/09/2020 05:16 AM, Nicolas George wrote:
> Mark Filipak (12020-04-08):
>> Try this, Ben:
>>
>> ffmpeg -loglevel warning
> 
> Ben, do not follow that advice: you will not get help with reduced log
> level.
> 
> Regards,

Ben, by all means, follow Nicolas's recommendation.

I gave you information on analyzeduration & probesize. Did you try them? Did they help?

On 04/08/2020 10:01 PM, Mark Filipak wrote:
 > On 04/08/2020 06:47 PM, Ben Edwards wrote:
 >> Now I could increase analyzeduration & probesize, but no idea to what.
 >>
 >> Any help greatly apreciated.
 >>
 >> Ben
 >
 > Try this, Ben:
 >
 > ffmpeg -loglevel warning -analyzeduration 5000000000 -probesize 5000000000 -i input.mp4 -flags
 > +global_header -vcodec copy -acodec libmp3lame -ar
 >  > 44100 -b:a 128k out.mp4
 >
 > Reference:
 > https://ffmpeg.org/ffmpeg-all.html
 >
 > analyzeduration integer (input)
 >
 >      Specify how many microseconds are analyzed to probe the input. A higher value will enable
 > detecting more accurate information, but will increase latency. It defaults to 5,000,000
 > microseconds = 5 seconds
 >
 > probesize integer (input)
 >
 >      Set probing size in bytes, i.e. the size of the data to analyze to get stream information. A
 > higher value will enable detecting more information in case it is dispersed into the stream, but
 > will increase latency. Must be an integer not lesser than 32. It is 5000000 by default.
 >
 > HTH - Mark.