mplayer vs. dolby-ac3.

[Paweł Sikora]

witam,

wezmy na ten przyklad demko z ac3-5.1: http://www.trailerz.demo-world.eu/dolby/dolby_orchestra.rar

wrzucam na mplayera:

$ mplayer dolby_orchestra.vob -ao alsa           
MPlayer SVN-r33917-4.6.1 (C) 2000-2011 MPlayer Team
(...)
==========================================================================
Opening audio decoder: [ffmpeg] FFmpeg/libavcodec audio decoders
[ac3 @ 0xb50660]frame sync error
AUDIO: 48000 Hz, 2 ch, s16le, 448.0 kbit/29.17% (ratio: 56000->192000)
Selected audio codec: [ffac3] afm: ffmpeg (FFmpeg AC-3)
==========================================================================
AO: [alsa] 48000Hz 2ch s16le (2 bytes per sample)
Starting playback...

i z dzwieku 5.1 dupa. jak odpale mplayer-a z opcja -channels 6 to gra
tak jak powinno w kazdym punkcie przestrzeni.

'ffmpeg -i' pokazuje, ze plik ma jednak 5.1:

Input #0, mpeg, from 'dolby_orchestra.vob':
  Duration: 00:01:19.49, start: 10.584000, bitrate: 7201 kb/s
    Stream #0.0[0x80]: Audio: ac3, 48000 Hz, 5.1, s16, 448 kb/s
    Stream #0.1[0x1e0]: Video: mpeg2video (Main), yuv420p, 720x576 [PAR 64:45 DAR 16:9], 9780 kb/s, 25 fps, 25 tbr, 90k tbn, 50 tbc

blad w mplayer?