Public bug reported: Trying to extract audio track from a DVD iso produces a segfault in mencoder with the -aid parameter.
mplayer is able to read the iso as a DVD. mencoder is able to process the video and if no -aid is given no segfault occurs... Bug experienced with Ubuntu Xenial. Tried to upgrade mencoder to Yakety version with no success fixing the bug. here is the command line used : mencoder dvd://3 -nocache -noslices -noconfig all -demuxer +lavf -o /tmp/audio.3E5JPY -aid 128 -dvd-device /home/andrea/Videos/DVD.iso -noskip -ovc copy -of rawaudio -oac copy and here is the output : There are 3 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 0x00000138 libdvdread: Elapsed time 0 libdvdread: Get key for /VIDEO_TS/VTS_01_0.VOB at 0x00002a82 libdvdread: Elapsed time 0 libdvdread: Get key for /VIDEO_TS/VTS_01_1.VOB at 0x00002a87 libdvdread: Elapsed time 0 libdvdread: Get key for /VIDEO_TS/VTS_02_0.VOB at 0x00002aae libdvdread: Elapsed time 0 libdvdread: Get key for /VIDEO_TS/VTS_02_1.VOB at 0x00002ab3 libdvdread: Elapsed time 0 libdvdread: Get key for /VIDEO_TS/VTS_03_0.VOB at 0x0000704e libdvdread: Elapsed time 0 libdvdread: Get key for /VIDEO_TS/VTS_03_1.VOB at 0x00018a34 libdvdread: Elapsed time 0 libdvdread: Found 3 VTS's libdvdread: Elapsed time 0 audio stream: 0 format: ac3 (5.1) language: en aid: 128. audio stream: 1 format: dts (5.1) language: en aid: 137. audio stream: 2 format: ac3 (stereo) language: en aid: 130. audio stream: 3 format: dts (5.1) language: fr aid: 139. audio stream: 4 format: ac3 (5.1) language: fr aid: 132. number of audio channels on disk: 5. subtitle ( sid ): 0 language: fr number of subtitles on disk: 1 success: format: 2 data: 0x0 - 0x5681f000 libavformat version 57.25.100 (external) libavformat file format detected. [lavf] stream 0: video (mpeg2video), -vid 0 [lavf] stream 1: audio (ac3), -aid 0 [lavf] stream 2: audio (dca), -aid 1 [lavf] stream 3: audio (ac3), -aid 2 [lavf] stream 4: audio (dca), -aid 3 [lavf] stream 5: audio (ac3), -aid 4 VIDEO: [MPG2] 720x576 0bpp 25.000 fps 0.0 kbps ( 0.0 kbyte/s) zsh: segmentation fault (core dumped) ** Affects: mplayer (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1635056 Title: mencoder segfault while extracting rawaudio from dvd iso To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mplayer/+bug/1635056/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs