[MPlayer-users] AAC LC 5.1 audio not recognized by mplayer

Ulion ulion2002 at gmail.com
Sun May 4 02:44:55 CEST 2008


2008/5/3 Justin Randall <jrrandall at gmail.com>:
> On Sat, May 3, 2008 at 2:18 AM, Ulion <ulion2002 at gmail.com> wrote:
>  >
>  >  I think mplayer can detected the 6ch, when you add '-v' as parameter
>  >  of mplayer, you will see it.
>  >  if you want mplayer output 6ch, you have to add '-channels 6' as
>  >  mplayer's parameter or add it in mplayer's config file.
>  >
>  Setting the output to '-channels 6' actually does work.  Thanks!  But,
>  the problem with FAAD still not being able to detect the input bitrate
>  is still happening.  Is this a side effect of the way nero's encoder
>  creates the AAC stream, or is it an error on FAAD's part?  Here is the
>  new print out.
>
> ==========================================================================
>  Opening audio decoder: [faad] AAC (MPEG2/4 Advanced Audio Coding)
>  FAAD: compressed input bitrate missing, assuming 128kbit/s!
>  AUDIO: 48000 Hz, 6 ch, s16le, 128.0 kbit/2.78% (ratio: 16000->576000)
>
> Selected audio codec: [faad] afm: faad (FAAD AAC (MPEG-2/MPEG-4 Audio) decoder)
>  ==========================================================================
>  AO: [dsound] 48000Hz 6ch s16le (2 bytes per sample)
>  Starting playback...

About this, I have no idea, maybe you need to dig into the source
code. add '-v' as mplayer parameter will give you a verbose output.


-- 
Ulion



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