[FFmpeg-trac] #3255(avcodec:open): mss2: decode errors

FFmpeg trac at avcodec.org
Tue Mar 21 23:00:35 EET 2017


#3255: mss2: decode errors
------------------------------------+-----------------------------------
             Reporter:  ami_stuff   |                    Owner:
                 Type:  defect      |                   Status:  open
             Priority:  normal      |                Component:  avcodec
              Version:  git-master  |               Resolution:
             Keywords:  mss2        |               Blocked By:
             Blocking:              |  Reproduced by developer:  1
Analyzed by developer:  0           |
------------------------------------+-----------------------------------

Comment (by ami_stuff):

 attached a few more samples


 {{{
 C:\>ffmpeg -i key_interval_1s.wmv -f null -
 ffmpeg version 3.2.git Copyright (c) 2000-2017 the FFmpeg developers
   built with gcc 4.6.2 (GCC)
   configuration: --disable-pthreads --disable-ffprobe --enable-gpl
   libavutil      55. 48.100 / 55. 48.100
   libavcodec     57. 83.100 / 57. 83.100
   libavformat    57. 66.104 / 57. 66.104
   libavdevice    57.  3.100 / 57.  3.100
   libavfilter     6. 76.100 /  6. 76.100
   libswscale      4.  3.101 /  4.  3.101
   libswresample   2.  4.100 /  2.  4.100
   libpostproc    54.  2.100 / 54.  2.100
 [mss2 @ 0238d7c0] Warning: not compiled with thread support, using thread
 emulat
 ion
 Input #0, asf, from 'key_interval_1s.wmv':
   Metadata:
     WMFSDKVersion   : 11.0.5721.5275
     WMFSDKNeeded    : 0.0.0.0000
     Buffer Average  : 1447
     VBR Peak        : 373994
     IsVBR           : 1
     DeviceConformanceTemplate: @
   Duration: 00:00:12.63, start: 0.000000, bitrate: 530 kb/s
     Stream #0:0(eng): Video: mss2 (MSS2 / 0x3253534D), rgb24, 160x120, 514
 kb/s,
  23.98 fps, 23.98 tbr, 1k tbn, 1k tbc
 [mss2 @ 0238e320] Warning: not compiled with thread support, using thread
 emulat
 ion
 Stream mapping:
   Stream #0:0 -> #0:0 (mss2 (native) -> wrapped_avframe (native))
 Press [q] to stop, [?] for help
 [wrapped_avframe @ 027a0920] Warning: not compiled with thread support,
 using th
 read emulation
 Output #0, null, to 'pipe:':
   Metadata:
     WMFSDKVersion   : 11.0.5721.5275
     WMFSDKNeeded    : 0.0.0.0000
     Buffer Average  : 1447
     VBR Peak        : 373994
     IsVBR           : 1
     DeviceConformanceTemplate: @
     encoder         : Lavf57.66.104
     Stream #0:0(eng): Video: wrapped_avframe, rgb24, 160x120, q=2-31, 200
 kb/s,
 23.98 fps, 23.98 tbn, 23.98 tbc
     Metadata:
       encoder         : Lavc57.83.100 wrapped_avframe
 [mss2 @ 0238e320] disabling error correction due to block count mismatch
 3x4 !=
 10x8
 [mss2 @ 0238e320] disabling error correction due to block count mismatch
 6x8 !=
 10x8
 [mss2 @ 0238e320] disabling error correction due to block count mismatch
 3x4 !=
 10x8
 [mss2 @ 0238e320] disabling error correction due to block count mismatch
 6x8 !=
 10x8
 [mss2 @ 0238e320] disabling error correction due to block count mismatch
 3x4 !=
 10x8
 [mss2 @ 0238e320] disabling error correction due to block count mismatch
 6x8 !=
 10x8
 [mss2 @ 0238e320] disabling error correction due to block count mismatch
 3x4 !=
 10x8
 [mss2 @ 0238e320] disabling error correction due to block count mismatch
 6x8 !=
 10x8
 [mss2 @ 0238e320] disabling error correction due to block count mismatch
 3x4 !=
 10x8
 [mss2 @ 0238e320] disabling error correction due to block count mismatch
 6x8 !=
 10x8
 [mss2 @ 0238e320] disabling error correction due to block count mismatch
 3x4 !=
 10x8
 [mss2 @ 0238e320] disabling error correction due to block count mismatch
 6x8 !=
 10x8
 [mss2 @ 0238e320] disabling error correction due to block count mismatch
 3x4 !=
 10x8
 [mss2 @ 0238e320] disabling error correction due to block count mismatch
 6x8 !=
 10x8
 [mss2 @ 0238e320] disabling error correction due to block count mismatch
 5x4 !=
 10x8
 [mss2 @ 0238e320] disabling error correction due to block count mismatch
 6x8 !=
 10x8
 [mss2 @ 0238e320] disabling error correction due to block count mismatch
 10x7 !=
  10x8
 Error while decoding stream #0:0: Invalid data found when processing input
     Last message repeated 33 times
 [mss2 @ 0238e320] disabling error correction due to block count mismatch
 10x4 !=
  10x8
 [mss2 @ 0238e320] Asymmetric WMV9 rectangle subsampling is not
 implemented. Upda
 te your FFmpeg version to the newest one from Git. If the problem still
 occurs,
 it means that your file has a feature which has not been implemented.
 [mss2 @ 0238e320] If you want to help, upload a sample of this file to
 ftp://upl
 oad.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list.
 (ffmpeg-deve
 l at ffmpeg.org)
 [mss2 @ 0238e320] buffer not fully consumed
 [mss2 @ 0238e320] expected I-frame
 Error while decoding stream #0:0: Invalid data found when processing input
     Last message repeated 20 times
 [mss2 @ 0238e320] disabling error correction due to block count mismatch
 10x7 !=
  10x8
 Error while decoding stream #0:0: Invalid data found when processing input
     Last message repeated 17 times
 [mss2 @ 0238e320] disabling error correction due to block count mismatch
 10x7 !=
  10x8
 [mss2 @ 0238e320] disabling error correction due to block count mismatch
 9x8 !=
 10x8
     Last message repeated 1 times
 Error while decoding stream #0:0: Invalid data found when processing input
     Last message repeated 7 times
 [mss2 @ 0238e320] disabling error correction due to block count mismatch
 7x8 !=
 10x8
 [mss2 @ 0238e320] disabling error correction due to block count mismatch
 10x6 !=
  10x8
 [mss2 @ 0238e320] disabling error correction due to block count mismatch
 5x7 !=
 10x8
 [mss2 @ 0238e320] disabling error correction due to block count mismatch
 9x4 !=
 10x8
 Error while decoding stream #0:0: Invalid data found when processing input
 [mss2 @ 0238e320] expected I-frame
 Error while decoding stream #0:0: Invalid data found when processing input
 [mss2 @ 0238e320] Bits overconsumption: 5576 > 5568
 [mss2 @ 0238e320] concealing 80 DC, 80 AC, 80 MV errors in I frame
 [mss2 @ 0238e320] buffer not fully consumed
 [mss2 @ 0238e320] header error
 Error while decoding stream #0:0: Invalid data found when processing input
     Last message repeated 16 times
 frame=  203 fps=0.0 q=-0.0 Lsize=N/A time=00:00:12.63 bitrate=N/A
 speed=27.9x

 video:76kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
 muxing ov
 erhead: unknown
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/3255#comment:6>
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