[MEncoder-users] lavf/mp4 buggy?

[Fredrik Eriksson]

vdmsss wrote:
> Hello,
>
> 	I have been trying to use the new lavf format=mp4, with B-frames  
> support, and it looks as though the muxer does something wrong with  
> the audio track. Let's use the command below for reference (entire  
> output at the bottom of this message -- the key is clearly a warning  
> about MS style audio tag, but I don't know what it means).
>
>   
>> mencoder -of lavf -lavfopts format=mp4 -ovc lavc -oac lavc - 
>> lavcopts vcodec=mpeg4:acodec=vorbis -o test.mp4 test.avi -frames 1000
>>     
>
> (1) Firstly, the resulting file has no audio when played with  
> mplayer. It complains about missing the audio codec (entire output at  
> the bottom of the message)
>
>   
Correct me if I'm wrong but... the mp4 format doesn't support vorbis 
audio, right?


Fredrik Eriksson