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decode box \"s://\", size 1752462448 too big (max 345) #353

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magicbic opened this issue May 21, 2024 · 5 comments
Closed

decode box \"s://\", size 1752462448 too big (max 345) #353

magicbic opened this issue May 21, 2024 · 5 comments

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@magicbic
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magicbic commented May 21, 2024 •
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I am facing a similar problem that is fixed on this issue #332

Parsed file with mp4dump from bento4

[ftyp] size=8+24
  major_brand = isom
  minor_version = 0
  compatible_brand = isom
  compatible_brand = M4A 
  compatible_brand = mp42
  compatible_brand = dash
[moov] size=8+1445
  [mvhd] size=12+96
    timescale = 90000
    duration = 0
    duration(ms) = 0
  [pssh] size=12+652
    system_id = [9a 04 f0 79 98 40 42 86 ab 92 e6 5b e0 88 5f 95]
    data_size = 632
  [pssh] size=12+77
    system_id = [ed ef 8b a9 79 d6 4a ce a3 c8 27 dc d5 1d 21 ed]
    data_size = 57
  [iods] size=12+9
    [InitialObjectDescriptor] size=2+7
      id = 1
      include inline profile level flag = 0
      OD profile level = ff
      scene profile level = ff
      audio profile level = ff
      visual profile level = fe
      graphics profile level = ff
  [mvex] size=8+48
    [mehd] size=12+4
      duration = 0
    [trex] size=12+20
      track id = 1
      default sample description index = 1
      default sample duration = 1
      default sample size = 1
      default sample flags = 0
  [trak] size=8+499
    [tkhd] size=12+80, flags=f
      enabled = 1
      id = 1
      duration = 0
      width = 0.000000
      height = 0.000000
    [mdia] size=8+399
      [mdhd] size=12+32, version=1
        timescale = 48000
        duration = 0
        duration(ms) = 0
        language = rum
      [hdlr] size=12+33
        handler_type = soun
        handler_name = SoundHandler
      [minf] size=8+302
        [smhd] size=12+4
          balance = 0
        [dinf] size=8+28
          [dref] size=12+16
            [url ] size=12+0, flags=1
              location = [local to file]
        [stbl] size=8+242
          [stsd] size=12+162
            entry_count = 1
            [enca] size=8+150
              data_reference_index = 1
              channel_count = 2
              sample_size = 16
              sample_rate = 48000
              [esds] size=12+30
                [ESDescriptor] size=2+28
                  es_id = 2
                  stream_priority = 0
                  [DecoderConfig] size=2+20
                    stream_type = 5
                    object_type = 64
                    up_stream = 0
                    buffer_size = 0
                    max_bitrate = 126035
                    avg_bitrate = 0
                    DecoderSpecificInfo = 11 90 56 e5 00 
                  [Descriptor:06] size=2+1
              [sinf] size=8+72
                [frma] size=8+4
                  original_format = mp4a
                [schm] size=12+8
                  scheme_type = cenc
                  scheme_version = 65536
                [schi] size=8+32
                  [tenc] size=12+20
                    default_isProtected = 1
                    default_Per_Sample_IV_Size = 8
                    default_KID = [7f 2c 16 b6 e5 71 41 d8 b9 06 1c 5d 7a 9b 4c b3]
          [stsc] size=12+4
            entry_count = 0
          [stco] size=12+4
            entry_count = 0
          [stts] size=12+4
            entry_count = 0
          [stsz] size=12+8
            sample_size = 0
            sample_count = 0

The complete error message is this:

decode moov: decode box trak: decode box mdia: decode box minf: decode box dinf: decode box dref: decode box \"s://\", size 1752462448 too big (max 345)

I am using the version 0.44.0
@magicbic
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The full report with verbosity set to 3:

[ftyp] size=8+24
  major_brand = isom
  minor_version = 0
  compatible_brand = isom
  compatible_brand = M4A 
  compatible_brand = mp42
  compatible_brand = dash
[moov] size=8+1445
  [mvhd] size=12+96
    timescale = 90000
    duration = 0
    duration(ms) = 0
  [pssh] size=12+652
    system_id = [9a 04 f0 79 98 40 42 86 ab 92 e6 5b e0 88 5f 95]
    data_size = 632
    data = [78 02 00 00 01 00 01 00 6e 02 3c 00 57 00 52 00 4d 00 48 00 45 00 41 00 44 00 45 00 52 00 20 00 78 00 6d 00 6c 00 6e 00 73 00 3d 00 22 00 68 00 74 00 74 00 70 00 3a 00 2f 00 2f 00 73 00 63 00 68 00 65 00 6d 00 61 00 73 00 2e 00 6d 00 69 00 63 00 72 00 6f 00 73 00 6f 00 66 00 74 00 2e 00 63 00 6f 00 6d 00 2f 00 44 00 52 00 4d 00 2f 00 32 00 30 00 30 00 37 00 2f 00 30 00 33 00 2f 00 50 00 6c 00 61 00 79 00 52 00 65 00 61 00 64 00 79 00 48 00 65 00 61 00 64 00 65 00 72 00 22 00 20 00 76 00 65 00 72 00 73 00 69 00 6f 00 6e 00 3d 00 22 00 34 00 2e 00 30 00 2e 00 30 00 2e 00 30 00 22 00 3e 00 3c 00 44 00 41 00 54 00 41 00 3e 00 3c 00 50 00 52 00 4f 00 54 00 45 00 43 00 54 00 49 00 4e 00 46 00 4f 00 3e 00 3c 00 4b 00 45 00 59 00 4c 00 45 00 4e 00 3e 00 31 00 36 00 3c 00 2f 00 4b 00 45 00 59 00 4c 00 45 00 4e 00 3e 00 3c 00 41 00 4c 00 47 00 49 00 44 00 3e 00 41 00 45 00 53 00 43 00 54 00 52 00 3c 00 2f 00 41 00 4c 00 47 00 49 00 44 00 3e 00 3c 00 2f 00 50 00 52 00 4f 00 54 00 45 00 43 00 54 00 49 00 4e 00 46 00 4f 00 3e 00 3c 00 4b 00 49 00 44 00 3e 00 74 00 68 00 59 00 73 00 66 00 33 00 48 00 6c 00 32 00 45 00 47 00 35 00 42 00 68 00 78 00 64 00 65 00 70 00 74 00 4d 00 73 00 77 00 3d 00 3d 00 3c 00 2f 00 4b 00 49 00 44 00 3e 00 3c 00 4c 00 41 00 5f 00 55 00 52 00 4c 00 3e 00 68 00 74 00 74 00 70 00 3a 00 2f 00 2f 00 69 00 64 00 78 00 2e 00 73 00 6f 00 6c 00 6f 00 63 00 6f 00 6f 00 2e 00 74 00 76 00 2f 00 69 00 64 00 78 00 2f 00 64 00 72 00 6d 00 2e 00 61 00 73 00 70 00 78 00 2f 00 70 00 72 00 2f 00 73 00 67 00 3c 00 2f 00 4c 00 41 00 5f 00 55 00 52 00 4c 00 3e 00 3c 00 43 00 48 00 45 00 43 00 4b 00 53 00 55 00 4d 00 3e 00 6f 00 30 00 72 00 4f 00 6e 00 47 00 57 00 79 00 63 00 63 00 51 00 3d 00 3c 00 2f 00 43 00 48 00 45 00 43 00 4b 00 53 00 55 00 4d 00 3e 00 3c 00 2f 00 44 00 41 00 54 00 41 00 3e 00 3c 00 2f 00 57 00 52 00 4d 00 48 00 45 00 41 00 44 00 45 00 52 00 3e 00]
  [pssh] size=12+77
    system_id = [ed ef 8b a9 79 d6 4a ce a3 c8 27 dc d5 1d 21 ed]
    data_size = 57
    data = [08 01 12 10 7f 2c 16 b6 e5 71 41 d8 b9 06 1c 5d 7a 9b 4c b3 1a 0b 73 74 72 65 61 6d 67 72 6f 75 70 22 10 b6 16 2c 7f 71 e5 d8 41 b9 06 1c 5d 7a 9b 4c b3 2a 02 53 44 32 00]
  [iods] size=12+9
    [InitialObjectDescriptor] size=2+7
      id = 1
      include inline profile level flag = 0
      OD profile level = ff
      scene profile level = ff
      audio profile level = ff
      visual profile level = fe
      graphics profile level = ff
  [mvex] size=8+48
    [mehd] size=12+4
      duration = 0
    [trex] size=12+20
      track id = 1
      default sample description index = 1
      default sample duration = 1
      default sample size = 1
      default sample flags = 0
  [trak] size=8+499
    [tkhd] size=12+80, flags=f
      enabled = 1
      id = 1
      duration = 0
      volume = 256
      layer = 0
      alternate_group = 0
      matrix_0 = 1.000000
      matrix_1 = 0.000000
      matrix_2 = 0.000000
      matrix_3 = 0.000000
      matrix_4 = 1.000000
      matrix_5 = 0.000000
      matrix_6 = 0.000000
      matrix_7 = 0.000000
      matrix_8 = 16384.000000
      width = 0.000000
      height = 0.000000
    [mdia] size=8+399
      [mdhd] size=12+32, version=1
        timescale = 48000
        duration = 0
        duration(ms) = 0
        language = rum
      [hdlr] size=12+33
        handler_type = soun
        handler_name = SoundHandler
      [minf] size=8+302
        [smhd] size=12+4
          balance = 0
        [dinf] size=8+28
          [dref] size=12+16
            [url ] size=12+0, flags=1
              location = [local to file]
        [stbl] size=8+242
          [stsd] size=12+162
            entry_count = 1
            [enca] size=8+150
              data_reference_index = 1
              channel_count = 2
              sample_size = 16
              sample_rate = 48000
              [esds] size=12+30
                [ESDescriptor] size=2+28
                  es_id = 2
                  stream_priority = 0
                  [DecoderConfig] size=2+20
                    stream_type = 5
                    object_type = 64
                    up_stream = 0
                    buffer_size = 0
                    max_bitrate = 126035
                    avg_bitrate = 0
                    DecoderSpecificInfo = 11 90 56 e5 00 
                  [Descriptor:06] size=2+1
              [sinf] size=8+72
                [frma] size=8+4
                  original_format = mp4a
                [schm] size=12+8
                  scheme_type = cenc
                  scheme_version = 65536
                [schi] size=8+32
                  [tenc] size=12+20
                    default_isProtected = 1
                    default_Per_Sample_IV_Size = 8
                    default_KID = [7f 2c 16 b6 e5 71 41 d8 b9 06 1c 5d 7a 9b 4c b3]
          [stsc] size=12+4
            entry_count = 0
            entries:
          [stco] size=12+4
            entry_count = 0
            entries:
          [stts] size=12+4
            entry_count = 0
            entries:
          [stsz] size=12+8
            sample_size = 0
            sample_count = 0
            entries:

@tobbee
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tobbee commented May 21, 2024

@magicbic It is impossible to see from the printout what the core issue is since it does not contain the raw bytes, but the error message decode box dref: decode box \"s://\", size 1752462448 too big (max 345) indicates some issue when decoding the dref box. According to your printout, there is a [url ] box inside. There may be something unusual about it.

Anyway, if you can provide the full file, I can have a look at what goes wrong.

@magicbic
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magicbic commented May 21, 2024 •
edited
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@tobbee

I forgot to upload the file.

Here it is:

init.txt

@tobbee tobbee mentioned this issue May 24, 2024
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@tobbee
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tobbee commented May 24, 2024

Thanks for the init segment. It is malformed in that the location string in the url box in the dref box does not end with a zero byte. It is also a bit strange in that it signals that it is self-contained, but still have a location. Anyway, I made the code more general so that it can handle such bad data, see PR #355

@magicbic
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magicbic commented May 24, 2024 •
edited
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Amazing! Thank you for you quick reply and fixing the problem so fast.

I was playing around with the file and even tried to delete that child box inside dref but with no success. I reach the point where the decoded would report it read the file too far.

I will test this locally and let you know the results.

[EDIT]

Just tested it and it works wonders with plenty of different init.mp4 files.

@tobbee tobbee closed this as completed May 26, 2024
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@tobbee @magicbic