[MPlayer-users] 5.1 OGG audio mapping to wrong channels?

[Ulion]

2008/3/2, Phil <pwsjr1 at charter.net>:
> prizident wrote:
>  > В сообщении от Saturday 01 March 2008 23:08:11 вы написали:
>
> >
>  >> After demuxing a DVD, the original source AC3 file plays perfectly in
>  >> MPlayer. However, after encoding the AC3 to OGG Vorbis, the channels
>  >> aren't output correctly in MPlayer.
>  >>
>  >> MPlayer puts the center-channel audio in only the right channel and the
>  >> others aren't mapped out quite right either (I can't tell exactly what's
>  >> gone where). Best I can do using the channels=x:y options is to keep the
>  >> center-channel audio only in the right channel. Worst case, it
>  >> disappears completely.
>  >>
>  >
>
> > try this
>  > -channels 6 -ao alsa:device=surround51 -af
>  > channels=6:6:0:0:1:1:2:1:3:3:4:4:5:5
>  > (swap rear left and front right)
>  >
>  > it works for me, but for some reason i can hear only 2 channels (only silence
>  > at center and rear channels)
>  >
>
>
>  Microsoft has a test WAV file here:
>  http://www.microsoft.com/windows/windowsmedia/howto/articles/Multichannel.aspx
>
>  A voice announces the channel mapping. Encoding that to OGG and playing
>  it im MPlayer made it a breeze to get the mappings correct.
>
>  This is what finally worked:
>  -af channels=6:6:0:0:1:5:2:1:3:2:4:3:5:4
>
>  the channels in the OGG are:
>  0=left front
>  1=center front
>  2=right front
>  3=left rear
>  4=right rear
>  5=sub
>
>  and the destinations in MPlayer are:
>  0=left front
>  1=right front
>  2=left rear
>  3=right rear
>  4=sub
>  5=center front
>
>
>  This seems to be consistent with the latest version of oggenc.

can you upload your encoded ogg file to ftp server
upload.mplayerhu.hq, under the MPlayer/incoming dir? you can create a
subdir there and upload your sample into it.


-- 
Ulion