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I'm utterly baffled by this but I'm sure the fix must be simple - I can play DVDs fine on my ubuntu machine but I have just bought a new DVD and there is no sound.

The sound works on all other DVDs I've played and normal avi files also work, music works fine. So I think it must be a coded missing but I have no idea how to narrow it down. Can someone help?

For reference I have libdvdcss2, libdvdnav4, restricted-extras installed. I have tried vlc, mplayer and parole with no success.

Any help to determine the missing codec would be really appreciated.

Example mplayer output for working DVD:

Playing dvd://.

libdvdread: Using libdvdcss version 1.2.12 for DVD access

There are 39 titles on this DVD.

There are 1 angles in this DVD title.

libdvdread: Attempting to retrieve all CSS keys

libdvdread: This can take a long time, please be patient

.....

audio stream: 0 format: ac3 (stereo) language: aid: 128. number of audio channels on disk: 1. number of subtitles on disk: 0

Detected file format: MPEG-PS VIDEO: MPEG2 720x576 (aspect 3) 25.000 fps 7000.0 kbps (875.0 kbyte/s)

========================================================================== Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family

Asking decoder to use 2 threads if supported.

Selected video codec: [ffmpeg2] vfm: ffmpeg (FFmpeg MPEG-2)

==========================================================================

========================================================================== Opening audio decoder: [ffmpeg] FFmpeg/libavcodec audio decoders

AUDIO: 48000 Hz, 2 ch, s16le, 192.0 kbit/12.50% (ratio: 24000->192000)

Selected audio codec: [ffac3] afm: ffmpeg (FFmpeg AC-3)

>

==========================================================================

For the non-working DVD:

Playing dvd://. libdvdread: Using libdvdcss version 1.2.12 for DVD access There are 9 titles on this DVD. There are 1 angles in this DVD title.

libdvdread: Attempting to retrieve all CSS keys libdvdread: This can take a long time, please be patient

libdvdread: Get key for /VIDEO_TS/VIDEO_TS.VOB at 0x0000011f libdvdread: Elapsed time 0 libdvdread: Get key for /VIDEO_TS/VTS_01_0.VOB at 0x0000015c libdvdread: Elapsed time 0 libdvdread: Get key for /VIDEO_TS/VTS_01_1.VOB at 0x00000236 libdvdread: Elapsed time 0 libdvdread: Found 1 VTS's libdvdread: Elapsed time 0 number of audio channels on disk: 0. subtitle ( sid ): 0 language: en subtitle ( sid ): 1 language: ja number of subtitles on disk: 2

Detected file format: MPEG-PS

Too many video packets in the buffer: (4096 in 8256891 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.

MPEG: No audio stream found -> no sound.

VIDEO: MPEG2 720x480 (aspect 3) 29.970 fps 9800.0 kbps (1225.0 kbyte/s)

========================================================================== Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family

Asking decoder to use 2 threads if supported.

Selected video codec: [ffmpeg2] vfm: ffmpeg (FFmpeg MPEG-2)

========================================================================== Audio: no sound Starting playback...

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1 Answer 1

Try install libdvdread4

sudo apt-get install libdvdread4

sudo /usr/share/doc/libdvdread4/install-css.sh

I believe that root cause of the issue is a region of DVD is not the same region of your DVD player. You can compare with another DVD which working on your ubuntu if it is a different region.

I used to change region ID of DVD player but it doesn't help. And I found that libdvdread4 help in the end.

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Thanks for the suggestion, I already have libdvdread4 installed so I don't think it is a region problem is it? –  dhracer Dec 6 '13 at 18:16
    
Have you checked the DVD region is it the same as your DVD player? –  inwwayu Dec 7 '13 at 13:03
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