On Tue, Mar 11, 2003 at 05:54:59PM +0100, Takashi Iwai wrote:
> 44.1kHz ac3 ? then it likely doesn't work because ac3dec assumes
> 48k only.
OK :-(
So I made another ac3 files recording Pro-7 and using ds.jar:
./ac3dec -6 -R /video2/esa1.ac3
2.0 Mode 48.0 KHz 448 kbps Complete Main Audio Service
Using PCM device 'iec958:AES0=0x0,AES1=0x82,AES2=0x0,AES3=0x2'
And I can hear in only in stereo... maybe the -6 option is not the right
one?
So I take a DVD with which I am really sure have 5.1, with ds.jar I
demux it and with -R I can hear, but only stereo and with the other
option I can't???
> the spdif device is hw:0,2.
> i guess ther is an option in mplayer to specify the pcm name for
> ALSA. use "spdif" there instead of "hw:0,2".
Well:
mplayer -vo null -ao alsa9:spdif -abs 1 -channels 2 gives me:
Cache fill: 0.00% (0 bytes) MPEG-PS file format detected.
VIDEO: MPEG2 720x576 (aspect 3) 25.00 fps 8750.0 kbps (1093.8
kbyte/s)
==========================================================================
Opening audio decoder: [liba52] AC3 decoding with liba52
Using SSE optimized IMDCT transform
AC3: 5.1 (3f+2r+lfe) 48000 Hz 448.0 kbit/s
Using MMX optimized resampler
AUDIO: 48000 Hz, 2 ch, 16 bit (0x10), ratio: 56000->192000 (448.0 kbit)
Selected audio codec: [a52] afm:liba52 (AC3-liba52)
==========================================================================
==========================================================================
Opening video decoder: [mpegpes] MPEG 1/2 Video passthrough
VDec: vo config request - 720 x 576 (preferred csp: Mpeg PES)
VDec: using Mpeg PES as output csp (no 0)
Movie-Aspect is 1.78:1 - prescaling to correct movie aspect.
VO: [null] 720x576 => 1024x576 Mpeg PES [fs]
Selected video codec: [mpegpes] vfm:mpegpes (Mpeg PES output (.mpg or
Dxr3/DVB card))
==========================================================================
Checking audio filter chain for 48000Hz/2ch/16bit ->
48000Hz/2ch/16bit...
AF_pre: af format: 2 bps, 2 ch, 48000 hz, little endian signed int
AF_pre: 48000Hz 2ch Signed 16-bit (Little-Endian)
alsa-init: testing and bugreports are welcome.
alsa-init: requested format: 48000 Hz, 2 channels, Signed 16-bit
(Little-Endian)
alsa-init: soundcard set to spdif
alsa9: 48000 Hz/2 channels/4 bpf/32768 bytes buffer/Signed 16 bit Little
Endian
AO: [alsa9] 48000Hz 2ch Signed 16-bit (Little-Endian) (2 bps)
Building audio filter chain for 48000Hz/2ch/16bit ->
48000Hz/2ch/16bit...
And I could hear great stereo sound just before, but
mplayer -vo null -ao alsa9:spdif -abs 1 -channels 6 gives me:
MPEG-PS file format detected.
VIDEO: MPEG2 720x576 (aspect 3) 25.00 fps 8750.0 kbps (1093.8
kbyte/s)
==========================================================================
Opening audio decoder: [liba52] AC3 decoding with liba52
Using SSE optimized IMDCT transform
AC3: 5.1 (3f+2r+lfe) 48000 Hz 448.0 kbit/s
Using MMX optimized resampler
AUDIO: 48000 Hz, 6 ch, 16 bit (0x10), ratio: 56000->576000 (448.0 kbit)
Selected audio codec: [a52] afm:liba52 (AC3-liba52)
==========================================================================
==========================================================================
Opening video decoder: [mpegpes] MPEG 1/2 Video passthrough
VDec: vo config request - 720 x 576 (preferred csp: Mpeg PES)
VDec: using Mpeg PES as output csp (no 0)
Movie-Aspect is 1.78:1 - prescaling to correct movie aspect.
VO: [null] 720x576 => 1024x576 Mpeg PES [fs]
Selected video codec: [mpegpes] vfm:mpegpes (Mpeg PES output (.mpg or
Dxr3/DVB card))
==========================================================================
Checking audio filter chain for 48000Hz/6ch/16bit ->
48000Hz/6ch/16bit...
AF_pre: af format: 2 bps, 6 ch, 48000 hz, little endian signed int
AF_pre: 48000Hz 6ch Signed 16-bit (Little-Endian)
alsa-init: testing and bugreports are welcome.
alsa-init: requested format: 48000 Hz, 6 channels, Signed 16-bit
(Little-Endian)
alsa-init: soundcard set to spdif
alsa-init: unable to set channels: Invalid argument
Could not open/initialize audio device -> no sound.
Audio: no sound
And all I can hear is a sound like "cards on a bike"...
Gr�goire
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