[MPlayer-users] dvd iso audio not decoding properly

Wed Apr 30 21:44:40 CEST 2008

I have a dvd iso that mplayer believes contains lpcm audio.  The video 
plays fine but the audio decodes with a loud hiss and very little else
is audible.  Not sure if this is because the audio stream type is 
detected wrongly or if the audio decoder for some reason cannot handle
the particular way this audio is encoded.

I tried forcing some other decoders on the stream without success.
Let me know what I should try next.  Thanks.

I placed the iso at the link below if it's needed.  (you probably 
won't need to grab more than the beginning of the file but I put 
the whole thing there just in case.)

	http://rut.org/vidgirlaiiso/

-------------- next part --------------
MPlayer dev-SVN-r26622-4.1.2 (C) 2000-2008 MPlayer Team
CPU: Intel Celeron Covington/Pentium II Deschutes,Tonga/Pentium II Xeon (Family: 6, Model: 5, Stepping: 2)
CPUflags:  MMX: 1 MMX2: 0 3DNow: 0 3DNow2: 0 SSE: 0 SSE2: 0
Compiled for x86 CPU with extensions: MMX

Playing dvd://.
There are 1 titles on this DVD.
There are 1 angles in this DVD title.
audio stream: 0 format: lpcm (stereo) language: ja aid: 160.
number of audio channels on disk: 1.
number of subtitles on disk: 0
MPEG-PS file format detected.
VIDEO:  MPEG2  720x480  (aspect 2)  29.970 fps  9800.0 kbps (1225.0 kbyte/s)
==========================================================================
Opening video decoder: [mpegpes] MPEG 1/2 Video passthrough
VDec: vo config request - 720 x 480 (preferred colorspace: Mpeg PES)
Could not find matching colorspace - retrying with -vf scale...
Opening video filter: [scale]
VDecoder init failed :(
Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
Selected video codec: [ffmpeg2] vfm: ffmpeg (FFmpeg MPEG-2)
==========================================================================
==========================================================================
Opening audio decoder: [dvdpcm] Uncompressed DVD/VOB LPCM audio decoder
AUDIO: 48000 Hz, 2 ch, s16be, 1536.0 kbit/100.00% (ratio: 192000->192000)
Selected audio codec: [dvdpcm] afm: dvdpcm (Uncompressed DVD/VOB LPCM)
==========================================================================
AO: [oss] 48000Hz 2ch s16be (2 bytes per sample)
Starting playback...
VDec: vo config request - 720 x 480 (preferred colorspace: Planar YV12)
VDec: using Planar YV12 as output csp (no 0)
Movie-Aspect is 1.33:1 - prescaling to correct movie aspect.
VO: [xv] 720x480 => 720x540 Planar YV12 
[mpeg2video @ 0x87bbf70]concealing 1260 DC, 1260 AC, 1260 MV errors
-------------- next part --------------
MPlayer dev-SVN-r26622-4.1.2 (C) 2000-2008 MPlayer Team
CPU: Intel Celeron Covington/Pentium II Deschutes,Tonga/Pentium II Xeon (Family: 6, Model: 5, Stepping: 2)
CPUflags:  MMX: 1 MMX2: 0 3DNow: 0 3DNow2: 0 SSE: 0 SSE2: 0
Compiled for x86 CPU with extensions: MMX
get_path('codecs.conf') -> '/home/robh/.mplayer/codecs.conf'
Reading /home/robh/.mplayer/codecs.conf: Can't open '/home/robh/.mplayer/codecs.conf': No such file or directory
Reading /home/robh/local/etc/mplayer/codecs.conf: Can't open '/home/robh/local/etc/mplayer/codecs.conf': No such file or directory
Using built-in default codecs.conf.
Configuration: --prefix=/home/robh/local
CommandLine: '-v' '-dvd-device' 'video-girl-ai-disc2.iso' 'dvd://'
init_freetype
get_path('font/font.desc') -> '/home/robh/.mplayer/font/font.desc'
Bitmap font /home/robh/.mplayer/font/font.desc loaded successfully! (206 chars)
Using MMX Optimized OnScreenDisplay
get_path('fonts') -> '/home/robh/.mplayer/fonts'
Using nanosleep() timing
get_path('input.conf') -> '/home/robh/.mplayer/input.conf'
Can't open input config file /home/robh/.mplayer/input.conf: No such file or directory
Can't open input config file /home/robh/local/etc/mplayer/input.conf: No such file or directory
Falling back on default (hardcoded) input config
get_path('.conf') -> '/home/robh/.mplayer/.conf'

Playing dvd://.
get_path('sub/') -> '/home/robh/.mplayer/sub/'
URL: dvd://
Reading disc structure, please wait...
There are 1 titles on this DVD.
There are 1 angles in this DVD title.
DVD successfully opened.
audio stream: 0 format: lpcm (stereo) language: ja aid: 160.
number of audio channels on disk: 1.
number of subtitles on disk: 0
DVD start cell: 0  pack: 0x0-0x2D44  
DVD start=0 end=2981864  
STREAM: [null] dvd://
STREAM: Description: DVD stream
STREAM: Author: 
STREAM: Comment: 
DVD Seek! lba=0x0  cell=0  packs: 0x0-0x2D44  
Angle-seek synced by cell/vob IDN search!  
system stream synced at 0xD (13)!
==> Found video stream: 0
MPEG-PS file format detected.
==> Found audio stream: 160
Searching for sequence header... OK!
VIDEO:  MPEG2  720x480  (aspect 2)  29.970 fps  9800.0 kbps (1225.0 kbyte/s)
[V] filefmt:2  fourcc:0x10000002  size:720x480  fps:29.970  ftime:=0.0334
get_path('sub/') -> '/home/robh/.mplayer/sub/'
X11 opening display: :0.0
vo: X11 color mask:  FFFFFF  (R:FF0000 G:FF00 B:FF)
vo: X11 running at 1280x1024 with depth 24 and 32 bpp (":0.0" => local display)
[x11] Unknown wm type...
[x11] Current fstype setting doesn't honour any X atoms
[xv common] Drawing colorkey manually.
[xv common] Using colorkey from Xv (0x00001e).
[xv common] Maximum source image dimensions: 2048x2048
==========================================================================
Opening video decoder: [mpegpes] MPEG 1/2 Video passthrough
VDec: vo config request - 720 x 480 (preferred colorspace: Mpeg PES)
Trying filter chain: vo
Could not find matching colorspace - retrying with -vf scale...
Opening video filter: [scale]
SwScale params: -1 x -1 (-1=no scaling)
Trying filter chain: scale vo
VDecoder init failed :(
Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
INFO: libavcodec init OK!
Selected video codec: [ffmpeg2] vfm: ffmpeg (FFmpeg MPEG-2)
==========================================================================
==========================================================================
Opening audio decoder: [dvdpcm] Uncompressed DVD/VOB LPCM audio decoder
dec_audio: Allocating 2048 + 65536 = 67584 bytes for output buffer.
AUDIO: 48000 Hz, 2 ch, s16be, 1536.0 kbit/100.00% (ratio: 192000->192000)
Selected audio codec: [dvdpcm] afm: dvdpcm (Uncompressed DVD/VOB LPCM)
==========================================================================
Building audio filter chain for 48000Hz/2ch/s16be -> 0Hz/0ch/??...
[libaf] Adding filter dummy 
[dummy] Was reinitialized: 48000Hz/2ch/s16be
[dummy] Was reinitialized: 48000Hz/2ch/s16be
ao2: 48000 Hz  2 chans  s16be
audio_setup: using '/dev/dsp' dsp device
audio_setup: using '/dev/mixer' mixer device
audio_setup: using 'pcm' mixer device
audio_setup: sample format: s16be (requested: s16be)
audio_setup: using 2 channels (requested: 2)
audio_setup: using 48000 Hz samplerate (requested: 48000)
audio_setup: frags:   4/4  (16384 bytes/frag)  free:  65536
AO: [oss] 48000Hz 2ch s16be (2 bytes per sample)
AO: Description: OSS/ioctl audio output
AO: Author: A'rpi
Building audio filter chain for 48000Hz/2ch/s16be -> 48000Hz/2ch/s16be...
[dummy] Was reinitialized: 48000Hz/2ch/s16be
[dummy] Was reinitialized: 48000Hz/2ch/s16be
Starting playback...
Increasing filtered audio buffer size from 0 to 65536
[ffmpeg] aspect_ratio: 1.333333
VDec: vo config request - 720 x 480 (preferred colorspace: Planar YV12)
Trying filter chain: vo
VDec: using Planar YV12 as output csp (no 0)
Movie-Aspect is 1.33:1 - prescaling to correct movie aspect.
VO Config (720x480->720x540,flags=0,'MPlayer',0x32315659)
VO: [xv] 720x480 => 720x540 Planar YV12 
VO: Description: X11/Xv
VO: Author: Gerd Knorr <kraxel at goldbach.in-berlin.de> and others
Xvideo image format: 0x32595559 (YUY2) packed
Xvideo image format: 0x59565955 (UYVY) packed
Xvideo image format: 0x32315659 (YV12) planar
Xvideo image format: 0x30323449 (I420) planar
using Xvideo port 57 for hw scaling
[xv] dx: 0 dy: 0 dw: 720 dh: 540
*** [vo] Allocating (slices) mp_image_t, 720x480x12bpp YUV planar, 518400 bytes
[mpeg2video @ 0x87bbf70]concealing 1260 DC, 1260 AC, 1260 MV errors
[xv] dx: 0 dy: 25 dw: 720 dh: 540