Op Sun, 10 Jan 2010 00:53:38 +0100 schreef Gianluca Cecchi
<gianluca.cecchi@xxxxxxxxx>:
> On Sun, Jan 10, 2010 at 12:23 AM, Floris <jkfloris@xxxxxx> wrote:
>>> Now the help required at this point: mplayer
>>>
>>> mplayer -ao alsa:spdif with this dts sample file gives no sound in F11
>>> while it "almost" works in F12.
>>
>>
>>
>> try mplayer -ao alsa:device=spdif -afm hwac3 <file>
>> because otherwise mplayer will decode the dts file for you
>> and not your receiver.
>>
>
> Hey, it works!
> Thank you very much Floris
>
> I see that at least it works on two mkv files I have, where I get the
> lock led on and the mode remains to "digital"
> (and clearly the sounds come different from the different speakers, so
> it is all ok).
>
> Now with your suggestion In file 1 that works, mplayer says
> [mkv] Track ID 2: audio (A_DTS) "Audio - Italiano DTS", -aid 0, -alang
> ita
>
> Trying to force audio codec driver family hwac3...
> Opening audio decoder: [hwac3] AC3/DTS pass-through S/PDIF
> No accelerated IMDCT transform found
> hwac3: switched to DTS, 768000 bps, 48000 Hz
> AUDIO: 48000 Hz, 2 ch, ac3, 768.0 kbit/50.00% (ratio: 96000->192000)
> Selected audio codec: [hwdts] afm: hwac3 (DTS through S/PDIF)
> ==========================================================================
> AO: [alsa] 48000Hz 2ch ac3 (1 bytes per sample)
>
> In file 2 that works, mplayer says the same; only difference is
> [mkv] Track ID 2: audio (A_DTS) "Italiano 5.1", -aid 0, -alang ita
>
> The important part is A_DTS, so it is that which defines the kind of
> audio track, correct?
> I will try also with a DTS DVD I have somewhere ...
>
> So my problem seems solved (at least up to next update... ;-)
>
> Only strange thing is that if I play with the same switch the demo
> file I used to test at the beginning with aplay, I don't hear any
> sound and the lock led remains switched off.
> So it seems nothing goes through optical link now....
> Any clues to this? Below is the output of mplayer with "-v" switch
>
> [gcecchi@tekkaman dts_tests]$ mplayer -v -vo null -ao
> alsa:device=spdif -afm hwac3 dts_the_other_side_44khz.wav
> MPlayer SVN-r29800-4.4.2 (C) 2000-2009 MPlayer Team
> CPU vendor name: AuthenticAMD max cpuid level: 5
> CPU: AMD Athlon(tm) II X4 630 Processor (Family: 16, Model: 5, Stepping:
> 2)
> extended cpuid-level: 27
> extended cache-info: 33587520
> Detected cache-line size is 64 bytes
> CPUflags: MMX: 1 MMX2: 1 3DNow: 1 3DNowExt: 1 SSE: 1 SSE2: 1 SSSE3: 0
> Compiled with runtime CPU detection.
> get_path('codecs.conf') -> '/home/gcecchi/.mplayer/codecs.conf'
> Reading /home/gcecchi/.mplayer/codecs.conf: Can't open
> '/home/gcecchi/.mplayer/codecs.conf': No such file or directory
> Reading /etc/mplayer/codecs.conf: Can't open
> '/etc/mplayer/codecs.conf': No such file or directory
> Using built-in default codecs.conf.
> Configuration: --prefix=/usr --bindir=/usr/bin
> --datadir=/usr/share/mplayer --mandir=/usr/share/man
> --confdir=/etc/mplayer --libdir=/usr/lib64
> --codecsdir=/usr/lib64/codecs --extra-cflags=-O2 -g -pipe -Wall
> -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector
> --param=ssp-buffer-size=4 -m64 -mtune=generic --language=all
> --enable-joystick --enable-largefiles --enable-lirc --enable-menu
> --enable-runtime-cpudetection --enable-unrarexec
> --disable-dvdread-internal --disable-libdvdcss-internal
> --disable-nemesi --disable-smb --disable-faac-lavc
> --disable-mp3lame-lavc --disable-x264-lavc --disable-liba52-internal
> --disable-faad-internal --disable-mad --disable-tremor-internal
> --disable-bitmap-font --disable-directfb
> --with-fribidi-config=pkg-config fribidi --disable-svga
> --disable-termcap --enable-xvmc --with-xvmclib=XvMCW --disable-arts
> --disable-esd --disable-jack --disable-openal
> CommandLine: '-v' '-vo' 'null' '-ao' 'alsa:device=spdif' '-afm'
> 'hwac3' 'dts_the_other_side_44khz.wav'
> init_freetype
> Using MMX (with tiny bit MMX2) Optimized OnScreenDisplay
> get_path('fonts') -> '/home/gcecchi/.mplayer/fonts'
> Using nanosleep() timing
> get_path('input.conf') -> '/home/gcecchi/.mplayer/input.conf'
> Can't open input config file /home/gcecchi/.mplayer/input.conf: No
> such file or directory
> Parsing input config file /etc/mplayer/input.conf
> Input config file /etc/mplayer/input.conf parsed: 90 binds
> Setting up LIRC support...
> mplayer: could not connect to socket
> mplayer: No such file or directory
> Failed to open LIRC support. You will not be able to use your remote
> control.
> get_path('dts_the_other_side_44khz.wav.conf') ->
> '/home/gcecchi/.mplayer/dts_the_other_side_44khz.wav.conf'
>
> Playing dts_the_other_side_44khz.wav.
> get_path('sub/') -> '/home/gcecchi/.mplayer/sub/'
> [file] File size is 27582508 bytes
> STREAM: [file] dts_the_other_side_44khz.wav
> STREAM: Description: File
> STREAM: Author: Albeu
> STREAM: Comment: based on the code from ??? (probably Arpi)
> LAVF_check: WAV format
> Checking for YUV4MPEG2
> ASF_check: not ASF guid!
> Checking for REAL
> Checking for SMJPEG
> Searching demuxer type for filename dts_the_other_side_44khz.wav ext:
> .wav
> Trying demuxer 17 based on filename extension
> ==> Found audio stream: 0
> ======= WAVE Format =======
> Format Tag: 1 (0x1)
> Channels: 2
> Samplerate: 44100
> avg byte/sec: 176400
> Block align: 4
> bits/sample: 16
> cbSize: 0
> ==========================================================================
> [demux_audio] DTS audio in wav, 14 bit, LE
> demux_audio: audio data 0x2C - 0x1A4E02C
> Audio only file format detected.
> get_path('sub/') -> '/home/gcecchi/.mplayer/sub/'
> ==========================================================================
> Trying to force audio codec driver family hwac3...
> Opening audio decoder: [hwac3] AC3/DTS pass-through S/PDIF
> dec_audio: Allocating 8192 bytes for input buffer.
> dec_audio: Allocating 16384 + 65536 = 81920 bytes for output buffer.
> No accelerated IMDCT transform found
> hwac3: switched to DTS, 1411200 bps, 44100 Hz
> AUDIO: 44100 Hz, 2 ch, ac3, 1411.2 kbit/100.00% (ratio: 176400->176400)
> Selected audio codec: [hwdts] afm: hwac3 (DTS through S/PDIF)
> ==========================================================================
> Building audio filter chain for 44100Hz/2ch/ac3 -> 0Hz/0ch/??...
> [libaf] Adding filter dummy
> [dummy] Was reinitialized: 44100Hz/2ch/ac3
> [dummy] Was reinitialized: 44100Hz/2ch/ac3
> Trying preferred audio driver 'alsa', options 'device=spdif'
> alsa-init: requested format: 44100 Hz, 2 channels, 100
> alsa-init: using ALSA 1.0.22
> alsa-spdif-init: playing AC3, 2 channels
> alsa-init: using device spdif
> alsa-init: pcm opened in blocking mode
> alsa-init: got buffersize=88192
> alsa-init: got period size 1696
> alsa: 44100 Hz/2 channels/4 bpf/88192 bytes buffer/Signed 16 bit Little
> Endian
> AO: [alsa] 44100Hz 2ch ac3 (1 bytes per sample)
> AO: Description: ALSA-0.9.x-1.x audio output
> AO: Author: Alex Beregszaszi, Zsolt Barat <joy@xxxxxxxxxxxxxxxxx>
> AO: Comment: under developement
> Building audio filter chain for 44100Hz/2ch/ac3 -> 44100Hz/2ch/ac3...
> [dummy] Was reinitialized: 44100Hz/2ch/ac3
> [dummy] Was reinitialized: 44100Hz/2ch/ac3
> Video: no video
> Freeing 0 unused video chunks.
> Starting playback...
> Increasing filtered audio buffer size from 0 to 65536
> A: 0.4 (10.4) of 156.0 (02:36.0) 0.2%
>
>
> Gianluca
You could try
mplayer -ao alsa:device=spdif -ac hwdts
But I think there will be no difference.
Maybe you can ask this question to the mplayer mailing list:
mplayer-users@xxxxxxxxxxxx
Sorry I can't help you...
Floris
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