[MPlayer-users] 5.1 still only played in stereo? (DTS)

Matthias Hataj mohataj at gmx.net
Wed Jun 29 02:53:24 CEST 2005


I'm trying to feed my DTS/DD-Decoder from my musicserver with DTS or  
DD5.1 soundfiles using Toslink.
My FM801 is up and running Alsa 1.09b and everything stereo works fine.
Trying to play one of these swedish testfiles with mplayer decodes it  
to stereo pcm and plays it really lazy:

> mplayer SURROUNDTEST_011212.wav
> MPlayer 1.0pre7-3.4.3-20050110 (C) 2000-2005 MPlayer Team
> CPU: Intel Celeron Covington/Pentium II Deschutes,Tonga/Pentium II  
> Xeon (Family: 6, Stepping: 2)
> Detected cache-line size is 32 bytes
> CPUflags:  MMX: 1 MMX2: 0 3DNow: 0 3DNow2: 0 SSE: 0 SSE2: 0
> Kompiliert f?r x86 CPU mit folgenden Erweiterungen: MMX
>
>
>
> 85 Audio- & 196 Videocodecs
> Spiele SURROUNDTEST_011212.wav
> Cache fill:  0.00% (0 bytes)    Audiodatei erkannt!
> ======================================================================= 
> ===
> Erzwungener Audiocodec: hwac3
> ?ffne Audiodecoder: [ffmpeg] FFmpeg/libavcodec audio decoders
> AUDIO: 44100 Hz, 2 ch, s16le, 1411.2 kbit/100.00% (ratio:  
> 176400->176400)
> Selected audio codec: [ffdts] afm:ffmpeg (DTS)
> ======================================================================= 
> ===
> Checking audio filter chain for 44100Hz/2ch/s16le ->  
> 48000Hz/2ch/s16le...
> AF_pre: 44100Hz/2ch/s16le
> alsa-init: 1 soundcard found, using: default
> alsa: 48000 Hz/2 channels/4 bpf/65536 bytes buffer/Signed 16 bit  
> Little Endian
> AO: [alsa] 48000Hz 2ch s16le (2 bps)
> Building audio filter chain for 44100Hz/2ch/s16le ->  
> 48000Hz/2ch/s16le...
> Video: kein Video
> Starte Wiedergabe...
> alsa-play: xrun of at least 0.016 msecs. resetting stream
> alsa-play: xrun of at least 0.014 msecs. resetting stream
> alsa-play: xrun of at least 0.015 msecs. resetting stream
> alsa-play: xrun of at least 0.016 msecs. resetting stream
>
It looks like it plays a 44,1khz 2ch audio, so no dts and no surround.

so, forcing it to use hwdts s/pdif passthrough leads to this output  
without any sound:

> mplayer -ac hwdts SURROUNDTEST_011212.wav                      MPlayer  
> 1.0pre7-3.4.3-20050110 (C) 2000-2005 MPlayer Team
> CPU: Intel Celeron Covington/Pentium II Deschutes,Tonga/Pentium II  
> Xeon (Family: 6, Stepping: 2)
> Detected cache-line size is 32 bytes
> CPUflags:  MMX: 1 MMX2: 0 3DNow: 0 3DNow2: 0 SSE: 0 SSE2: 0
> Kompiliert f?r x86 CPU mit folgenden Erweiterungen: MMX
>
>
>
> 85 Audio- & 196 Videocodecs
> Spiele SURROUNDTEST_011212.wav
> Cache fill:  0.00% (0 bytes)    Audiodatei erkannt!
> ======================================================================= 
> ===
> Erzwungener Audiocodec: hwdts
> ?ffne Audiodecoder: [hwac3] AC3/DTS pass-through S/PDIF
> No accelerated IMDCT transform found
> hwac3: switched to AC3, 448000 bps, 48000 Hz
> a52: CRC check failed!
> AUDIO: 48000 Hz, 2 ch, ac3, 448.0 kbit/29.17% (ratio: 56000->192000)
> Selected audio codec: [hwdts] afm:hwac3 (DTS through S/PDIF)
> ======================================================================= 
> ===
> Checking audio filter chain for 48000Hz/2ch/ac3 -> 48000Hz/2ch/ac3...
> AF_pre: 48000Hz/2ch/ac3
> alsa-init: 1 soundcard found, using: iec958:{CARD 0 AES0 0x02 AES1  
> 0x82 AES2 0x00 AES3 0x02}
> alsa: 48000 Hz/2 channels/4 bpf/65536 bytes buffer/Signed 16 bit  
> Little Endian
> AO: [alsa] 48000Hz 2ch ac3 (1 bps)
> Building audio filter chain for 48000Hz/2ch/ac3 -> 48000Hz/2ch/ac3...
> Video: kein Video
> Starte Wiedergabe...
> a52: CRC check failed!
> a52: CRC check failed!
> a52: CRC check failed!
> a52: CRC check failed!
> a52: CRC check failed!
> a52: CRC check failed!
> a52: CRC check failed!
> a52: CRC check failed!
> a52: CRC check failed!
> a52: CRC check failed!
> a52: CRC check failed!  %
> a52: CRC check failed!  %
> alsa-play: xrun of at least 50.127 msecs. resetting stream
> a52: CRC check failed!  %
> a52: CRC check failed!
> a52: CRC check failed!
> a52: CRC check failed!
> a52: CRC check failed!
> a52: CRC check failed!

does he try to decode to stereo using a52 here ? again?

any help appreciated.

sincerely

mo



--
All I want is a warm bed and a kind word and unlimited power.




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