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Old 10-01-2013, 01:48 PM   #16
newbiesforever
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Distribution: MX (desktop: XFCE 4)
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Okay. I have entered your command with a title and the optical drive (trying title 1 first):
Code:
mplayer -nocache -alang en -dumpaudio -dumpfile audiofile.ac3 dvdnav://1///dev/sr1
The output is:
Code:
Warning unknown option stopxscreensaver at line 5
MPlayer svn r34540 (Debian), built with gcc-4.7 (C) 2000-2012 MPlayer Team
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.

Playing dvdnav://1///dev/sr1.
libdvdnav: Using dvdnav version 4.2.0
libdvdread: Encrypted DVD support unavailable.
************************************************
**                                            **
**  No css library available. See             **
**  /usr/share/doc/libdvdread4/README.css     **
**  for more information.                     **
**                                            **
************************************************
libdvdnav: DVD Title: 2013_08_04_AM
libdvdnav: DVD Serial Number: 49ED2421APPLEDSP
libdvdnav: DVD Title (Alternative): 2013_08_04_AM
libdvdnav: Unable to find map file '/home/demo/.dvdnav/2013_08_04_AM.map'
libdvdnav: DVD disk reports itself with Region mask 0x00400000. Regions: 1 2 3 4 5 6 8
audio stream: 0 format: lpcm (stereo) language:  aid: 160.

INIT ERROR: couldn't get init pos New position not yet determined.
Remember to disable MPlayer's cache when playing dvdnav:// streams (adding -nocache to your command line)
DVDNAV, switched to title: 1
audio stream: 0 format: lpcm (stereo) language:  aid: 160.

MPEG-PS file format detected.
dump: 985849688 bytes written (~99.8%)
DVDNAV, switched to title: 1
audio stream: 0 format: ac3 (mono) language: unknown aid: 128.
audio stream: 1 format: ac3 (mono) language: unknown aid: 129.
audio stream: 2 format: ac3 (mono) language: unknown aid: 130.
audio stream: 3 format: ac3 (mono) language: unknown aid: 131.
audio stream: 4 format: ac3 (mono) language: unknown aid: 132.
audio stream: 5 format: ac3 (mono) language: unknown aid: 133.
audio stream: 6 format: ac3 (mono) language: unknown aid: 134.
audio stream: 7 format: ac3 (mono) language: unknown aid: 135.
subtitle ( sid ): 0 language: unknown
subtitle ( sid ): 0 language: unknown
subtitle ( sid ): 0 language: unknown
subtitle ( sid ): 0 language: unknown
subtitle ( sid ): 0 language: unknown
subtitle ( sid ): 0 language: unknown
subtitle ( sid ): 0 language: unknown
subtitle ( sid ): 0 language: unknown
subtitle ( sid ): 0 language: unknown
subtitle ( sid ): 0 language: unknown
subtitle ( sid ): 0 language: unknown
subtitle ( sid ): 0 language: unknown
subtitle ( sid ): 0 language: unknown
subtitle ( sid ): 0 language: unknown
subtitle ( sid ): 0 language: unknown
subtitle ( sid ): 0 language: unknown
subtitle ( sid ): 0 language: unknown
subtitle ( sid ): 0 language: unknown
subtitle ( sid ): 0 language: unknown
subtitle ( sid ): 0 language: unknown
subtitle ( sid ): 0 language: unknown
subtitle ( sid ): 0 language: unknown
subtitle ( sid ): 0 language: unknown
subtitle ( sid ): 0 language: unknown
subtitle ( sid ): 0 language: unknown
subtitle ( sid ): 0 language: unknown
subtitle ( sid ): 0 language: unknown
subtitle ( sid ): 0 language: unknown
subtitle ( sid ): 0 language: unknown
subtitle ( sid ): 0 language: unknown
subtitle ( sid ): 0 language: unknown
subtitle ( sid ): 0 language: unknown

dump: 987527040 bytes written to 'audiofile.ac3'.
Core dumped ;)

Exiting... (End of file)
So it has made an audiofile.ac3. I opened it with mplayer to listen, and it's playing, but I hear nothing, even with earbuds (in case the volume is simply very low). I suppose that could mean I ripped the wrong title, but Mplayer says the audiofile is about 55 minutes long, so I obviously didn't get a title containing only the menu loop, right?

You said it's commercial DVDs that use .ac3 and my church may well have used a different format, so perhaps that's the problem? Is there any way I can determine myself what recording format was used, or do I just have to ask the technicians? I note that the output says "format: lpcm (stereo)"; doesn't that mean "lpcm" is the format I should rip in? (It also says "MPEG-PS file format detected," but MPEG is the video's format, isn't it?) Lpcm seems obvious, so I'll try ripping in it.

Last edited by newbiesforever; 10-01-2013 at 01:59 PM.
 
Old 10-01-2013, 02:29 PM   #17
haertig
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Distribution: Debian, Ubuntu, LinuxMint, Slackware, SysrescueCD, Raspbian, Arch
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I would also trying leaving out the "-alang en" part of the command. That is telling it to rip the English sound track, whilch would be applicable to a commercially produced movie DVD, but your DVD doesn't have any indication of what language the audio tracks are in. So I don't know what audio track it would end up trying to rip.
 
Old 12-10-2013, 12:21 AM   #18
newbiesforever
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Registered: Apr 2006
Distribution: MX (desktop: XFCE 4)
Posts: 2,185

Original Poster
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Thank you for you help, good people. I intermittently worked on this, and eventually determined that Tex's solution of using ffmpeg worked for me and was the simplest thing to do. All I had to do in the ffmpeg GUI is add at least one vob file from the DVD to the list of files to work on, and click "convert."
 
  


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