[MPlayer-users] DTS problem

Wed Feb 13 03:35:16 CET 2008

I'm copying my DVDs to a hard drive for a home media PC. The audio gets
sent via SPDIF to my AV Receiver which does the decoding. I prefer to
use the DTS track when its available. This works fine for some discs,
but not for all of them.

The ones that are broken, mplayer reports the audio format as 0x50 when
it should be 0x2001. Even so, VLC under Windows has no problem playing
audio even though the DTS track is the only one on there.

The weirdest thing is that whilst the ripping process is still going,
mplayer plays the partial file correctly with DTS output. As soon as
the rip is complete, mplayer can't find the audio.

Prior to completion:
$ mplayer -identify -vo null War.iso

MPlayer 1.0rc2-4.1.2 (C) 2000-2007 MPlayer Team
CPU: AMD Athlon(tm) XP 2700+ (Family: 6, Model: 8, Stepping: 1)
CPUflags:  MMX: 1 MMX2: 1 3DNow: 1 3DNow2: 1 SSE: 1 SSE2: 0
Compiled with runtime CPU detection.
115 audio & 237 video codecs
Can't open joystick device /dev/input/js0: No such file or directory
Can't init input joystick

Playing War.iso.
ID_VIDEO_ID=0
MPEG-PS file format detected.
ID_AUDIO_ID=137
VIDEO:  MPEG2  720x480  (aspect 3)  29.970 fps  9801.6 kbps (1225.2 kbyte/s)
ID_FILENAME=War.iso
ID_DEMUXER=mpegps
ID_VIDEO_FORMAT=0x10000002
ID_VIDEO_BITRATE=9801600
ID_VIDEO_WIDTH=720
ID_VIDEO_HEIGHT=480
ID_VIDEO_FPS=29.970
ID_VIDEO_ASPECT=0.0000
ID_AUDIO_FORMAT=8193
ID_AUDIO_BITRATE=0
ID_AUDIO_RATE=0
ID_AUDIO_NCH=0
ID_LENGTH=440.96
==========================================================================
Opening video decoder: [mpegpes] MPEG 1/2 Video passthrough
VDec: vo config request - 720 x 480 (preferred colorspace: Mpeg PES)
VDec: using Mpeg PES as output csp (no 0)
Movie-Aspect is undefined - no prescaling applied.
VO: [null] 720x480 => 720x480 Mpeg PES
Selected video codec: [mpegpes] vfm: mpegpes (MPEG-PES output (.mpg or DXR3/IVTV/DVB/V4L2 card))
==========================================================================
ID_VIDEO_CODEC=mpegpes
==========================================================================
Opening audio decoder: [libdca] DTS decoding with libdca
Stream with high frequencies VQ coding
AUDIO: 48000 Hz, 2 ch, s16le, 768.0 kbit/50.00% (ratio: 96000->192000)
ID_AUDIO_BITRATE=768000
ID_AUDIO_RATE=48000
ID_AUDIO_NCH=2
Selected audio codec: [dts] afm: libdca (DTS-libdca)
==========================================================================
AO: [alsa] 48000Hz 2ch s16le (2 bytes per sample)
ID_AUDIO_CODEC=dts
Starting playback...
VDec: vo config request - 720 x 480 (preferred colorspace: Mpeg PES)
VDec: using Mpeg PES as output csp (no 0)
Movie-Aspect is 1.78:1 - prescaling to correct movie aspect.
ID_VIDEO_ASPECT=1.7778
VO: [null] 720x480 => 854x480 Mpeg PES
A:   0.6 V:   0.6 A-V:  0.029 ct:  0.024  12/ 10 ??% ??% ??,?% 0 0
demux_mpg: 24000/1001fps progressive NTSC content detected, switching framerate.
A:   4.9 V:   4.9 A-V: -0.000 ct:  0.063 116/113  0%  0% 18.4% 0 0
Exiting... (Quit)

After completion:
$ mplayer -identify -vo null War.iso
MPlayer 1.0rc2-4.1.2 (C) 2000-2007 MPlayer Team
CPU: AMD Athlon(tm) XP 2700+ (Family: 6, Model: 8, Stepping: 1)
CPUflags:  MMX: 1 MMX2: 1 3DNow: 1 3DNow2: 1 SSE: 1 SSE2: 0
Compiled with runtime CPU detection.
115 audio & 237 video codecs
Can't open joystick device /dev/input/js0: No such file or directory
Can't init input joystick

Playing War.iso.
ID_VIDEO_ID=0
ID_AUDIO_ID=0
MPEG-PS file format detected.
VIDEO:  MPEG2  720x480  (aspect 3)  29.970 fps  9801.6 kbps (1225.2 kbyte/s)
ID_FILENAME=War.iso
ID_DEMUXER=mpegps
ID_VIDEO_FORMAT=0x10000002
ID_VIDEO_BITRATE=9801600
ID_VIDEO_WIDTH=720
ID_VIDEO_HEIGHT=480
ID_VIDEO_FPS=29.970
ID_VIDEO_ASPECT=0.0000
ID_AUDIO_FORMAT=80
ID_AUDIO_BITRATE=0
ID_AUDIO_RATE=0
ID_AUDIO_NCH=0
ID_LENGTH=5333.21
==========================================================================
Opening video decoder: [mpegpes] MPEG 1/2 Video passthrough
VDec: vo config request - 720 x 480 (preferred colorspace: Mpeg PES)
VDec: using Mpeg PES as output csp (no 0)
Movie-Aspect is undefined - no prescaling applied.
VO: [null] 720x480 => 720x480 Mpeg PES
Selected video codec: [mpegpes] vfm: mpegpes (MPEG-PES output (.mpg or DXR3/IVTV
/DVB/V4L2 card))
==========================================================================
ID_VIDEO_CODEC=mpegpes
==========================================================================
Opening audio decoder: [mp3lib] MPEG layer-2, layer-3
ID_AUDIO_ID=137

Too many video packets in the buffer: (4096 in 8278895 bytes).
Maybe you are playing a non-interleaved stream/file or the codec failed?
For AVI files, try to force non-interleaved mode with the -ni option.
ADecoder init failed :(
ADecoder init failed :(
Opening audio decoder: [ffmpeg] FFmpeg/libavcodec audio decoders

Too many video packets in the buffer: (4096 in 8278895 bytes).
Maybe you are playing a non-interleaved stream/file or the codec failed?
For AVI files, try to force non-interleaved mode with the -ni option.
Unknown/missing audio format -> no sound
ADecoder init failed :(
Opening audio decoder: [libmad] libmad mpeg audio decoder

Too many video packets in the buffer: (4096 in 8278895 bytes).
Maybe you are playing a non-interleaved stream/file or the codec failed?
For AVI files, try to force non-interleaved mode with the -ni option.
Cannot sync MAD frame
ADecoder init failed :(
ADecoder init failed :(
Opening audio decoder: [hwmpa] MPEG audio pass-through (fake decoder)

Too many video packets in the buffer: (4096 in 8278895 bytes).
Maybe you are playing a non-interleaved stream/file or the codec failed?
For AVI files, try to force non-interleaved mode with the -ni option.
Cannot sync MPA frame: 0
ADecoder init failed :(
ADecoder init failed :(
Cannot find codec for audio format 0x50.
Read DOCS/HTML/en/codecs.html!
Audio: no sound
Starting playback...
VDec: vo config request - 720 x 480 (preferred colorspace: Mpeg PES)
VDec: using Mpeg PES as output csp (no 0)
Movie-Aspect is 1.78:1 - prescaling to correct movie aspect.
ID_VIDEO_ASPECT=1.7778
VO: [null] 720x480 => 854x480 Mpeg PES
V:   0.6  12/ 10 ??% ??% ??,?% 0 0
demux_mpg: 24000/1001fps progressive NTSC content detected, switching framerate.
V:   1.3  29/ 26  0%  0%  0.0% 0 0
Exiting... (Quit)

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