[MPlayer-users] playing a rtsp stream succeeds, -dumpstream results in an empty file

[Carl Eugen Hoyos]

Ilja Sekler <ilja_sekler_ <at> gmx.de> writes:

> ("Audio format 0x6134706d is incompatible with '-oac copy', please try
> '-oac pcm' instead or use '-fafmttag' to override it."). Is there a

> trick to avoid re-encoding audio, as the sound quality becomes really bad?

With lame (or ac3 or faac) and a sufficient bitrate, I really doubt that.

I suspect we are talking about AAC (is that correct?), it should be possible to
remux that, and apart from all this, ffmpeg should perfectly support what you
want to do.

Carl Eugen