[gst-devel] Extract AAC audio from Apple trailer?

Ronald S. Bultje rbultje at ronald.bitfreak.net
Fri Nov 11 17:58:16 CET 2005

On Fri, 2005-11-11 at 23:16 +0100, Stefan de Konink wrote:
> Ronald S. Bultje wrote:
> > I've tested the second when I created the mp4 muxer, it works fine. The
> > first has always worked fine.
> gst-launch-0.8 -v sinesrc ! faac ! ffmux_mp4 ! qtdemux .audio_00 ! faad
> ! alsasink
> What should be done to get this one working?

This will never work, since:
A) sinesrc spews out integer, faac expects (afaik) float. Add
audioconvert to fix.
B) ffmux_mp4 requires seek to rewrite headers at EOS. Use a temporary
file in between.
C) faad / alsasink requires audioconvert, also, most likely.


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