[FFmpeg-user] dvd2concat error with loopback mounted ISO

Adrian Meyer adrian.meyer at rocketmail.com
Wed Dec 3 22:54:10 CET 2014


The mount command:sudo mount movie.iso iso -t udf  -o loop -o ro
I also have to mention that the movie.iso was created using dvdbackup and mkisofs to rip/decrypt the movie.

Here the output from lsdvd sent to STDERR:lsdvd iso -Op -x 1>/dev/null

libdvdread: Attempting to use device /dev/loop0 mounted on /media/raid/Video/divx/iso for CSS authenticationlibdvdread: Could not open /dev/loop0 with libdvdcss.
libdvdread: Can't open /dev/loop0 for reading
libdvdread: Device /dev/loop0 inaccessible, CSS authentication not available.
libdvdread: No VTS_TMAPT available - skipping.
libdvdread: No VTS_TMAPT available - skipping.
libdvdread: No VTS_TMAPT available - skipping.
Couldn't read enough bytes for title.


The "real" output:
lsdvd iso -Op -x 2>/dev/null

our %lsdvd = (
  %s => device'iso',
  %s => title'unknown',
  %s => vmg_id'DVDVIDEO-VMG',
  %s => provider_id'',
  track => [
    {
      %s => ix1,
      %s => length6126.533,
      %s => vts_id'DVDVIDEO-VTS',
      %s => vts11,
      %s => ttn1,
      %s => fps29.97,
      %s => format'NTSC',
      %s => aspect'16/9',
      %s => width720,
      %s => height480,
      %s => df'Letterbox',
      palette => [
        '79660200',
        '108080',
        '108080',
        '108080',
        '108080',
        '108080',
        '108080',
        '108080',
        '108080',
        '108080',
        '108080',
        '108080',
        '108080',
        'dd8947',
        '108080',
        '108080',
      ],
      %s => angles3,
      audio => [
        {
          %s => ix1,
          %s => langcode'en',
          %s => language'English',
          %s => format'ac3',
          %s => frequency48000,
          %s => quantization'drc',
          %s => channels6,
          %s => ap_mode0,
          %s => content'Undefined',
          %s => streamid'0x80',
        },
        {
          %s => ix2,
          %s => langcode'en',
          %s => language'English',
          %s => format'ac3',
          %s => frequency48000,
          %s => quantization'drc',
          %s => channels2,
          %s => ap_mode0,
          %s => content'Undefined',
          %s => streamid'0x81',
        },
        {
          %s => ix3,
          %s => langcode'fr',
          %s => language'Francais',
          %s => format'ac3',
          %s => frequency48000,
          %s => quantization'drc',
          %s => channels6,
          %s => ap_mode0,
          %s => content'Undefined',
          %s => streamid'0x82',
        },
        {
          %s => ix4,
          %s => langcode'es',
          %s => language'Espanol',
          %s => format'ac3',
          %s => frequency48000,
          %s => quantization'drc',
          %s => channels6,
          %s => ap_mode0,
          %s => content'Undefined',
          %s => streamid'0x83',
        },
      ],
      chapter => [
        {
          %s => ix1,
          %s => length440.266,
          %s => startcell1,
        },
        {
          %s => ix2,
          %s => length342.866,
          %s => startcell6,
        },
        {
          %s => ix3,
          %s => length518.432,
          %s => startcell11,
        },
        {
          %s => ix4,
          %s => length668.801,
          %s => startcell16,
        },
        {
          %s => ix5,
          %s => length506.769,
          %s => startcell19,
        },
        {
          %s => ix6,
          %s => length341.500,
          %s => startcell29,
        },
        {
          %s => ix7,
          %s => length389.833,
          %s => startcell30,
        },
        {
          %s => ix8,
          %s => length416.499,
          %s => startcell33,
        },
        {
          %s => ix9,
          %s => length308.666,
          %s => startcell35,
        },
        {
          %s => ix10,
          %s => length398.200,
          %s => startcell38,
        },
        {
          %s => ix11,
          %s => length238.633,
          %s => startcell40,
        },
        {
          %s => ix12,
          %s => length272.500,
          %s => startcell41,
        },
        {
          %s => ix13,
          %s => length265.834,
          %s => startcell43,
        },
        {
          %s => ix14,
          %s => length276.833,
          %s => startcell44,
        },
        {
          %s => ix15,
          %s => length322.333,
          %s => startcell46,
        },
        {
          %s => ix16,
          %s => length843.466,
          %s => startcell47,
        },
        {
          %s => ix17,
          %s => length0.500,
          %s => startcell54,
        },
      ],
      cell => [
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          %s => length56.533,
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        {
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          %s => length40.800,
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        {
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        {
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        },
        {
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          %s => length261.333,
        },
        {
          %s => ix6,
          %s => length130.200,
        },
        {
          %s => ix7,
          %s => length205.166,
        },
        {
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        {
          %s => ix9,
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        },
        {
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        },
        {
          %s => ix11,
          %s => length11.633,
        },
        {
          %s => ix12,
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        },
        {
          %s => ix13,
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        },
        {
          %s => ix14,
          %s => length437.200,
        },
        {
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        {
          %s => ix16,
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        {
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        {
          %s => ix18,
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        {
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        {
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        {
          %s => ix46,
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        {
          %s => ix47,
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        {
          %s => ix48,
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        {
          %s => ix49,
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        {
          %s => ix50,
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        {
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        {
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        {
          %s => ix53,
          %s => length15.333,
        },
        {
          %s => ix54,
          %s => length0.500,
        },
      ],
      subp => [
        {
          %s => ix1,
          %s => langcode'en',
          %s => language'English',
          %s => content'Undefined',
          %s => streamid'0x20',
        },
        {
          %s => ix2,
          %s => langcode'en',
          %s => language'English',
          %s => content'Undefined',
          %s => streamid'0x21',
        },
        {
          %s => ix3,
          %s => langcode'fr',
          %s => language'Francais',
          %s => content'Undefined',
          %s => streamid'0x22',
        },
        {
          %s => ix4,
          %s => langcode'es',
          %s => language'Espanol',
          %s => content'Undefined',
          %s => streamid'0x23',
        },
      ],
    },
    {
      %s => ix2,
      %s => length360.867,
      %s => vts_id'DVDVIDEO-VTS',
      %s => vts13,
      %s => ttn1,
      %s => fps29.97,
      %s => format'NTSC',
      %s => aspect'16/9',
      %s => width720,
      %s => height480,
      %s => df'Letterbox',
      palette => [
        'e7c62500',
        '108080',
        '108080',
        '108080',
        '108080',
        '108080',
        '108080',
        '108080',
        '108080',
        '108080',
        '108080',
        '108080',
        '108080',
        'dd8947',
        '108080',
        '108080',
      ],
      %s => angles3,
      audio => [
        {
          %s => ix1,
          %s => langcode'en',
          %s => language'English',
          %s => format'ac3',
          %s => frequency48000,
          %s => quantization'drc',
          %s => channels6,
          %s => ap_mode0,
          %s => content'Undefined',
          %s => streamid'0x80',
        },
        {
          %s => ix2,
          %s => langcode'en',
          %s => language'English',
          %s => format'ac3',
          %s => frequency48000,
          %s => quantization'drc',
          %s => channels2,
          %s => ap_mode0,
          %s => content'Undefined',
          %s => streamid'0x81',
        },
        {
          %s => ix3,
          %s => langcode'fr',
          %s => language'Francais',
          %s => format'ac3',
          %s => frequency48000,
          %s => quantization'drc',
          %s => channels6,
          %s => ap_mode0,
          %s => content'Undefined',
          %s => streamid'0x82',
        },
        {
          %s => ix4,
          %s => langcode'es',
          %s => language'Espanol',
          %s => format'ac3',
          %s => frequency48000,
          %s => quantization'drc',
          %s => channels6,
          %s => ap_mode0,
          %s => content'Undefined',
          %s => streamid'0x83',
        },
      ],
      chapter => [
        {
          %s => ix1,
          %s => length429.435,
          %s => startcell1,
        },
        {
          %s => ix2,
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          %s => startcell10,
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      ],
      cell => [
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        {
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        {
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        {
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        {
          %s => ix9,
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        {
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        },
      ],
      subp => [
        {
          %s => ix1,
          %s => langcode'en',
          %s => language'English',
          %s => content'Undefined',
          %s => streamid'0x20',
        },
        {
          %s => ix2,
          %s => langcode'en',
          %s => language'English',
          %s => content'Undefined',
          %s => streamid'0x21',
        },
        {
          %s => ix3,
          %s => langcode'fr',
          %s => language'Francais',
          %s => content'Undefined',
          %s => streamid'0x22',
        },
        {
          %s => ix4,
          %s => langcode'es',
          %s => language'Espanol',
          %s => content'Undefined',
          %s => streamid'0x23',
        },
        {
          %s => ix5,
          %s => langcode'es',
          %s => language'Espanol',
          %s => content'Undefined',
          %s => streamid'0x24',
        },
      ],
    },
    {
      %s => ix3,
      %s => length233.533,
      %s => vts_id'DVDVIDEO-VTS',
      %s => vts5,
      %s => ttn1,
      %s => fps29.97,
      %s => format'NTSC',
      %s => aspect'16/9',
      %s => width720,
      %s => height480,
      %s => df'Letterbox',
      palette => [
        '6fcb2600',
        '108080',
        '108080',
        '108080',
        '108080',
        '108080',
        '108080',
        '108080',
        '108080',
        '108080',
        '108080',
        '108080',
        '108080',
        'bf8080',
        '108080',
        '108080',
      ],
      %s => angles1,
      audio => [
        {
          %s => ix1,
          %s => langcode'en',
          %s => language'English',
          %s => format'ac3',
          %s => frequency48000,
          %s => quantization'drc',
          %s => channels2,
          %s => ap_mode0,
          %s => content'Undefined',
          %s => streamid'0x80',
        },
      ],
      chapter => [
        {
          %s => ix1,
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        },
        {
          %s => ix2,
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      ],
      cell => [
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          %s => ix1,
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        {
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        },
      ],
      subp => [
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    },
    {
      %s => ix4,
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      %s => vts_id'DVDVIDEO-VTS',
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      %s => ttn1,
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      %s => format'NTSC',
      %s => aspect'16/9',
      %s => width720,
      %s => height480,
      %s => df'Letterbox',
      palette => [
        '34192700',
        '108080',
        '108080',
        '108080',
        '108080',
        '108080',
        '108080',
        '108080',
        '108080',
        '108080',
        '108080',
        '108080',
        '108080',
        'bf8080',
        '108080',
        '108080',
      ],
      %s => angles1,
      audio => [
        {
          %s => ix1,
          %s => langcode'es',
          %s => language'Espanol',
          %s => format'ac3',
          %s => frequency48000,
          %s => quantization'drc',
          %s => channels2,
          %s => ap_mode0,
          %s => content'Undefined',
          %s => streamid'0x80',
        },
      ],
      chapter => [
        {
          %s => ix1,
          %s => length231.000,
          %s => startcell1,
        },
        {
          %s => ix2,
          %s => length0.500,
          %s => startcell2,
        },
      ],
      cell => [
        {
          %s => ix1,
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        },
        {
          %s => ix2,
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        },
      ],
      subp => [
      ],
    },
    {
      %s => ix5,
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      %s => ttn1,
      %s => fps29.97,
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      %s => df'Letterbox',
      palette => [
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        '108080',
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        '108080',
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        '108080',
        '108080',
        '108080',
        '108080',
        '108080',
        'bf8080',
        '108080',
        '108080',
      ],
      %s => angles1,
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        {
          %s => ix1,
          %s => langcode'it',
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          %s => channels2,
          %s => ap_mode0,
          %s => content'Undefined',
          %s => streamid'0x80',
        },
      ],
      chapter => [
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        {
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        {
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        },
      ],
      subp => [
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    },
    {
      %s => ix6,
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      %s => format'NTSC',
      %s => aspect'16/9',
      %s => width720,
      %s => height480,
      %s => df'Letterbox',
      palette => [
        '11b72700',
        '108080',
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      ],
      %s => angles1,
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        {
          %s => ix1,
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          %s => channels2,
          %s => ap_mode0,
          %s => content'Undefined',
          %s => streamid'0x80',
        },
      ],
      chapter => [
        {
          %s => ix1,
          %s => length252.200,
          %s => startcell1,
        },
        {
          %s => ix2,
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          %s => startcell2,
        },
      ],
      cell => [
        {
          %s => ix1,
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        },
        {
          %s => ix2,
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        },
      ],
      subp => [
      ],
    },
    {
      %s => ix7,
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      %s => vts_id'DVDVIDEO-VTS',
      %s => vts6,
      %s => ttn1,
      %s => fps29.97,
      %s => format'NTSC',
      %s => aspect'16/9',
      %s => width720,
      %s => height480,
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          %s => length5.000,
        },
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          %s => length5.000,
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        {
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        },
        {
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          %s => length5.000,
        },
        {
          %s => ix6,
          %s => length0.500,
        },
      ],
      subp => [
      ],
    },
    {
      %s => ix15,
      %s => length18.500,
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      %s => ttn1,
      %s => fps29.97,
      %s => format'NTSC',
      %s => aspect'16/9',
      %s => width720,
      %s => height480,
      %s => df'Pan&Scan',
      palette => [
        'd5182c00',
        '108080',
        '108080',
        '108080',
        '108080',
        '108080',
        '108080',
        '108080',
        '108080',
        '108080',
        '108080',
        '108080',
        '108080',
        'bf8080',
        '108080',
        '108080',
      ],
      %s => angles1,
      audio => [
        {
          %s => ix1,
          %s => langcode'en',
          %s => language'English',
          %s => format'ac3',
          %s => frequency48000,
          %s => quantization'drc',
          %s => channels6,
          %s => ap_mode0,
          %s => content'Undefined',
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        },
      ],
      chapter => [
        {
          %s => ix1,
          %s => length18.000,
          %s => startcell1,
        },
        {
          %s => ix2,
          %s => length0.500,
          %s => startcell2,
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      cell => [
        {
          %s => ix1,
          %s => length18.000,
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        {
          %s => ix2,
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        },
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      subp => [
        {
          %s => ix1,
          %s => langcode'fr',
          %s => language'Francais',
          %s => content'Undefined',
          %s => streamid'0x20',
        },
        {
          %s => ix2,
          %s => langcode'es',
          %s => language'Espanol',
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          %s => streamid'0x21',
        },
      ],
    },
    {
      %s => ix16,
      %s => length33.200,
      %s => vts_id'DVDVIDEO-VTS',
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      %s => format'NTSC',
      %s => aspect'16/9',
      %s => width720,
      %s => height480,
      %s => df'Letterbox',
      palette => [
        'df792c00',
        '108080',
        'd9807f',
        '108080',
        '286def',
        '108080',
        'd2914c',
        'cf7085',
        '108080',
        '108080',
        '108080',
        '108080',
        '108080',
        'bf8080',
        '108080',
        '108080',
      ],
      %s => angles1,
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        {
          %s => ix1,
          %s => langcode'en',
          %s => language'English',
          %s => format'ac3',
          %s => frequency48000,
          %s => quantization'drc',
          %s => channels6,
          %s => ap_mode0,
          %s => content'Undefined',
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        },
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      chapter => [
        {
          %s => ix1,
          %s => length32.600,
          %s => startcell1,
        },
        {
          %s => ix2,
          %s => length0.600,
          %s => startcell2,
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      ],
      cell => [
        {
          %s => ix1,
          %s => length32.600,
        },
        {
          %s => ix2,
          %s => length0.600,
        },
      ],
      subp => [
      ],
    },
    {
      %s => ix17,
      %s => length1.000,
      %s => vts_id'DVDVIDEO-VTS',
      %s => vts10,
      %s => ttn1,
      %s => fps29.97,
      %s => format'NTSC',
      %s => aspect'16/9',
      %s => width720,
      %s => height480,
      %s => df'Letterbox',
      palette => [
        '7fb12c00',
        '108080',
        'd9807f',
        '108080',
        '286def',
        '108080',
        'd2914c',
        'cf7085',
        '108080',
        '108080',
        '108080',
        '108080',
        '108080',
        'bf8080',
        '108080',
        '108080',
      ],
      %s => angles1,
      audio => [
      ],
      chapter => [
        {
          %s => ix1,
          %s => length1.000,
          %s => startcell1,
        },
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        {
          %s => ix1,
          %s => length1.000,
        },
      ],
      subp => [
      ],
    },
    {
      %s => ix18,
      %s => length0.500,
      %s => vts_id'DVDVIDEO-VTS',
      %s => vts1,
      %s => ttn1,
      %s => fps29.97,
      %s => format'NTSC',
      %s => aspect'16/9',
      %s => width720,
      %s => height480,
      %s => df'Pan&Scan',
      palette => [
        '000000',
        '108080',
        'd9807f',
        '108080',
        '286def',
        '108080',
        'd2914c',
        'cf7085',
        '108080',
        '108080',
        '108080',
        '108080',
        '108080',
        'bf8080',
        '108080',
        '108080',
      ],
      %s => angles1,
      audio => [
        {
          %s => ix1,
          %s => langcode'xx',
          %s => language'Unknown',
          %s => format'ac3',
          %s => frequency48000,
          %s => quantization'drc',
          %s => channels2,
          %s => ap_mode0,
          %s => content'Undefined',
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        {
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          %s => langcode'xx',
          %s => language'Unknown',
          %s => format'ac3',
          %s => frequency48000,
          %s => quantization'drc',
          %s => channels2,
          %s => ap_mode0,
          %s => content'Undefined',
          %s => streamid'0x81',
        },
        {
          %s => ix3,
          %s => langcode'xx',
          %s => language'Unknown',
          %s => format'ac3',
          %s => frequency48000,
          %s => quantization'drc',
          %s => channels2,
          %s => ap_mode0,
          %s => content'Undefined',
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        },
        {
          %s => ix4,
          %s => langcode'xx',
          %s => language'Unknown',
          %s => format'ac3',
          %s => frequency48000,
          %s => quantization'drc',
          %s => channels2,
          %s => ap_mode0,
          %s => content'Undefined',
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        },
        {
          %s => ix5,
          %s => langcode'xx',
          %s => language'Unknown',
          %s => format'ac3',
          %s => frequency48000,
          %s => quantization'drc',
          %s => channels2,
          %s => ap_mode0,
          %s => content'Undefined',
          %s => streamid'0x84',
        },
        {
          %s => ix6,
          %s => langcode'xx',
          %s => language'Unknown',
          %s => format'ac3',
          %s => frequency48000,
          %s => quantization'drc',
          %s => channels2,
          %s => ap_mode0,
          %s => content'Undefined',
          %s => streamid'0x85',
        },
        {
          %s => ix7,
          %s => langcode'xx',
          %s => language'Unknown',
          %s => format'ac3',
          %s => frequency48000,
          %s => quantization'drc',
          %s => channels2,
          %s => ap_mode0,
          %s => content'Undefined',
          %s => streamid'0x86',
        },
        {
          %s => ix8,
          %s => langcode'xx',
          %s => language'Unknown',
          %s => format'ac3',
          %s => frequency48000,
          %s => quantization'drc',
          %s => channels2,
          %s => ap_mode0,
          %s => content'Undefined',
          %s => streamid'0x87',
        },
      ],
      chapter => [
        {
          %s => ix1,
          %s => length0.500,
          %s => startcell1,
        },
      ],
      cell => [
        {
          %s => ix1,
          %s => length0.500,
        },
      ],
      subp => [
        {
          %s => ix1,
          %s => langcode'xx',
          %s => language'Unknown',
          %s => content'Undefined',
          %s => streamid'0x20',
        },
        {
          %s => ix2,
          %s => langcode'xx',
          %s => language'Unknown',
          %s => content'Undefined',
          %s => streamid'0x21',
        },
        {
          %s => ix3,
          %s => langcode'xx',
          %s => language'Unknown',
          %s => content'Undefined',
          %s => streamid'0x22',
        },
        {
          %s => ix4,
          %s => langcode'xx',
          %s => language'Unknown',
          %s => content'Undefined',
          %s => streamid'0x23',
        },
        {
          %s => ix5,
          %s => langcode'xx',
          %s => language'Unknown',
          %s => content'Undefined',
          %s => streamid'0x24',
        },
        {
          %s => ix6,
          %s => langcode'xx',
          %s => language'Unknown',
          %s => content'Undefined',
          %s => streamid'0x25',
        },
        {
          %s => ix7,
          %s => langcode'xx',
          %s => language'Unknown',
          %s => content'Undefined',
          %s => streamid'0x26',
        },
        {
          %s => ix8,
          %s => langcode'xx',
          %s => language'Unknown',
          %s => content'Undefined',
          %s => streamid'0x27',
        },
        {
          %s => ix9,
          %s => langcode'xx',
          %s => language'Unknown',
          %s => content'Undefined',
          %s => streamid'0x28',
        },
        {
          %s => ix10,
          %s => langcode'xx',
          %s => language'Unknown',
          %s => content'Undefined',
          %s => streamid'0x29',
        },
        {
          %s => ix11,
          %s => langcode'xx',
          %s => language'Unknown',
          %s => content'Undefined',
          %s => streamid'0x2a',
        },
        {
          %s => ix12,
          %s => langcode'xx',
          %s => language'Unknown',
          %s => content'Undefined',
          %s => streamid'0x2b',
        },
      ],
    },
  ],
  %s => longest_track1,
); 


      From: Nicolas George <george at nsup.org>
 To: FFmpeg user questions <ffmpeg-user at ffmpeg.org> 
 Sent: Wednesday, December 3, 2014 3:21 PM
 Subject: Re: [FFmpeg-user] dvd2concat error with loopback mounted ISO
   
Le tridi 13 frimaire, an CCXXIII, Adrian Meyer a écrit :
> I am mounting an ISO through loopback and I get 5 messages from libdvdread through lsdvd and 1 from perl crashing on the eval:
> libdvdread: Attempting to use device /dev/loop0 mounted on /media/raid/Video/divx/iso for CSS authentication
> libdvdread: No VTS_TMAPT available - skipping.
> libdvdread: No VTS_TMAPT available - skipping.
> libdvdread: No VTS_TMAPT available - skipping.
> Couldn't read enough bytes for title.
> Bad name after device' at (eval 5) line 2.

Can you show the output of "lsdvd -Op -x /dev/loop0"? Please make sure you
distinguish stdout and stderr, for example by redirecting each in a separate
file ("> log_stdout 2> log_stderr")?



> I am not a perl programmer. How would I manage to ignore STDERR in this
> section of dvd2concat to for lsdvd only if it was succesfull? The -q on
> lsdvd does not suppress the output:

There is no need to ignore stderr, it is already written separately. You
would not see it on the terminal otherwise.

What you report looks like a bug in lsdvd (its output in -Op mode should be
valid perl under any circumstance), but I would need to see the output you
get, because I can not reproduce the problem with my version and the ISO
file I have laying around.

Regards,

-- 
  Nicolas George
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