[FFmpeg-devel] [FFmpeg-user] conversion problem

[Vitor Sessak]

Marc Mason wrote:
> Erik Willems wrote:
> 
>> [root at web-srv01 testvideo]#
> 
> You should definitely *NOT* run ffmpeg as root on random files.
> 
>> ffmpeg -i test.avi -ab 48k -ac 2 -ar 44100
>> -f flv -deinterlace -nr 500 -s 640x420 -r 30 -b 270k -me_range 25
>> -i_qfactor 0.9 -qmin 8 -qmax 8 -g 500 test.flv
>>
>> Input #0, avi, from 'test.avi':
>>   Duration: 00:00:18.00, start: 0.000000, bitrate: 2756 kb/s
>>     Stream #0.0: Video: mjpeg, yuvj422p, 320x240, 15.00 tb(r)
>>     Stream #0.1: Audio: pcm_u8, 8000 Hz, mono, s16, 64 kb/s
>                            ^^^^^^  ^^^^^^^
> 
> I thought s16 meant "signed 16-bit" samples ?
> How can a stream have pcm_u8 and s16 ?

Probably the problem is this bug: 
https://roundup.mplayerhq.hu/roundup/ffmpeg/issue641

-Vitor