[FFmpeg-devel] [PATCH] metadata conversion API

[Peter Eszlari]

2009/3/1 Peter Eszlari <peter.eszlari at googlemail.com>:
> Not only does the user not know about it, ffmpeg/lavc too doesn't know about it.
> If I do the following:
>
> $ ffmpeg -i file.avi -aq 50 file.mp2
>
> The option "-aq" gets silently ignored, while one would expect an
> error massege like "option -aq not supported by ffmp2".

hmm, I have to correct myself. This works as expected:

$ ffmpeg -i file.avi -bf 2 file.wmv
[...]
[msmpeg4 @ 0x8be2ea0]b frames not supported by codec
Error while opening codec for output stream #0.0 - maybe incorrect
parameters such as bit_rate, rate, width or height