[FFmpeg-cvslog] lavf: Cleanup try_decode_frame() logic.

[Reimar Döffinger]

On Thu, Jul 14, 2011 at 02:36:47AM +0200, Alex Converse wrote:
> ffmpeg | branch: master | Alex Converse <alex.converse at gmail.com> | Tue Jul 12 15:13:29 2011 -0700| [a58858d60d37c7abfcea11bb387909bf9cd4916d] | committer: Alex Converse
> 
> lavf: Cleanup try_decode_frame() logic.
> 
> This fixes AAC playback in ffplay.

This ends up doing a bit more.
parse_adts_frame_header will now basically only ever set sample_rate for
raw input (since it sets it only if it isn't already set).
I don't know if that is an improvement or not.