[FFmpeg-trac] #5559(undetermined:new): IFF ANIM: fix decoding artefacts (ANIM-J)

FFmpeg trac at avcodec.org
Sun May 15 12:09:53 CEST 2016


#5559: IFF ANIM: fix decoding artefacts (ANIM-J)
-------------------------------------+-------------------------------------
             Reporter:  ami_stuff    |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
              Version:  unspecified  |  undetermined
             Keywords:               |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
-------------------------------------+-------------------------------------

Comment (by ami_stuff):

 ffmpeg thinks that there are 147 frames while cvt decodes 352

 {{{
 C:\>ffmpeg -i NotBoingAgain -f null -
 ffmpeg version N-79986-g01ead2a Copyright (c) 2000-2016 the FFmpeg
 developers
   built with gcc 4.5.0 (GCC) 20100414 (Fedora MinGW 4.5.0-1.fc14)
   configuration: --prefix=/var/www/users/research/ffmpeg/snapshots/build
 --arch=
 x86 --target-os=mingw32 --cross-prefix=i686-pc-mingw32- --cc='ccache i686
 -pc-min
 gw32-gcc' --enable-pthreads --enable-memalign-hack --enable-runtime-
 cpudetect --
 enable-cross-compile --enable-static --disable-shared --extra-
 libs='-lws2_32 -lw
 inmm -lpthread' --extra-cflags='--static
 -I/var/www/users/research/ffmpeg/snapsh
 ots/build/include' --extra-ldflags='-static
 -L/var/www/users/research/ffmpeg/sna
 pshots/build/lib' --enable-bzlib --enable-zlib --enable-gpl --enable-
 version3 --
 enable-nonfree --enable-libx264 --enable-libspeex --enable-libtheora
 --enable-li
 bvorbis --enable-libfaac --enable-libxvid --enable-libopencore-amrnb
 --enable-li
 bopencore-amrwb --enable-libmp3lame --enable-libfreetype --enable-libvpx
 --disab
 le-decoder=libvpx
   libavutil      55. 24.100 / 55. 24.100
   libavcodec     57. 41.102 / 57. 41.102
   libavformat    57. 36.100 / 57. 36.100
   libavdevice    57.  0.101 / 57.  0.101
   libavfilter     6. 45.100 /  6. 45.100
   libswscale      4.  1.100 /  4.  1.100
   libswresample   2.  0.101 /  2.  0.101
   libpostproc    54.  0.100 / 54.  0.100
 Input #0, iff, from 'NotBoingAgain':
   Duration: N/A, bitrate: N/A
     Stream #0:0: Video: iff_ilbm (ANIM / 0x4D494E41), rgb0, 352x440, SAR
 12:7 DA
 R 48:35, 30 fps, 60 tbr, 60 tbn
 [null @ 0x2c75680] Using AVStream.codec to pass codec parameters to muxers
 is de
 precated, use AVStream.codecpar instead.
 Output #0, null, to 'pipe:':
   Metadata:
     encoder         : Lavf57.36.100
     Stream #0:0: Video: wrapped_avframe, rgb0, 352x440 [SAR 12:7 DAR
 48:35], q=2
 -31, 200 kb/s, 60 fps, 60 tbn
     Metadata:
       encoder         : Lavc57.41.102 wrapped_avframe
 Stream mapping:
   Stream #0:0 -> #0:0 (iff_ilbm (iff) -> wrapped_avframe (native))
 Press [q] to stop, [?] for help
 frame=  147 fps=0.0 q=-0.0 Lsize=N/A time=00:00:05.01 bitrate=N/A speed=
 161x

 video:55kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
 muxing ov
 erhead: unknown
 }}}

 {{{
 C:\>cvt.exe NotBoingAgain nba

 352 x 440, 6 planes, HAM interlaced
 146 deltas, 352 frames

 About to create 352 BMP files.
 Is that OK? (y/n) y
 nba.0001.bmp
 nba.0002.bmp
 nba.0003.bmp
 nba.0004.bmp
 nba.0005.bmp
 nba.0006.bmp
 nba.0007.bmp
 nba.0008.bmp
 nba.0009.bmp
 nba.0010.bmp
 nba.0011.bmp
 nba.0012.bmp
 nba.0013.bmp
 nba.0014.bmp
 nba.0015.bmp
 nba.0016.bmp
 nba.0017.bmp
 nba.0018.bmp
 nba.0019.bmp
 nba.0020.bmp
 nba.0021.bmp
 nba.0022.bmp
 nba.0023.bmp
 nba.0024.bmp
 nba.0025.bmp
 nba.0026.bmp
 nba.0027.bmp
 nba.0028.bmp
 nba.0029.bmp
 nba.0030.bmp
 nba.0031.bmp
 nba.0032.bmp
 nba.0033.bmp
 nba.0034.bmp
 nba.0035.bmp
 nba.0036.bmp
 nba.0037.bmp
 nba.0038.bmp
 nba.0039.bmp
 nba.0040.bmp
 nba.0041.bmp
 nba.0042.bmp
 nba.0043.bmp
 nba.0044.bmp
 nba.0045.bmp
 nba.0046.bmp
 nba.0047.bmp
 nba.0048.bmp
 nba.0049.bmp
 nba.0050.bmp
 nba.0051.bmp
 nba.0052.bmp
 nba.0053.bmp
 nba.0054.bmp
 nba.0055.bmp
 nba.0056.bmp
 nba.0057.bmp
 nba.0058.bmp
 nba.0059.bmp
 nba.0060.bmp
 nba.0061.bmp
 nba.0062.bmp
 nba.0063.bmp
 nba.0064.bmp
 nba.0065.bmp
 nba.0066.bmp
 nba.0067.bmp
 nba.0068.bmp
 nba.0069.bmp
 nba.0070.bmp
 nba.0071.bmp
 nba.0072.bmp
 nba.0073.bmp
 nba.0074.bmp
 nba.0075.bmp
 nba.0076.bmp
 nba.0077.bmp
 nba.0078.bmp
 nba.0079.bmp
 nba.0080.bmp
 nba.0081.bmp
 nba.0082.bmp
 nba.0083.bmp
 nba.0084.bmp
 nba.0085.bmp
 nba.0086.bmp
 nba.0087.bmp
 nba.0088.bmp
 nba.0089.bmp
 nba.0090.bmp
 nba.0091.bmp
 nba.0092.bmp
 nba.0093.bmp
 nba.0094.bmp
 nba.0095.bmp
 nba.0096.bmp
 nba.0097.bmp
 nba.0098.bmp
 nba.0099.bmp
 nba.0100.bmp
 nba.0101.bmp
 nba.0102.bmp
 nba.0103.bmp
 nba.0104.bmp
 nba.0105.bmp
 nba.0106.bmp
 nba.0107.bmp
 nba.0108.bmp
 nba.0109.bmp
 nba.0110.bmp
 nba.0111.bmp
 nba.0112.bmp
 nba.0113.bmp
 nba.0114.bmp
 nba.0115.bmp
 nba.0116.bmp
 nba.0117.bmp
 nba.0118.bmp
 nba.0119.bmp
 nba.0120.bmp
 nba.0121.bmp
 nba.0122.bmp
 nba.0123.bmp
 nba.0124.bmp
 nba.0125.bmp
 nba.0126.bmp
 nba.0127.bmp
 nba.0128.bmp
 nba.0129.bmp
 nba.0130.bmp
 nba.0131.bmp
 nba.0132.bmp
 nba.0133.bmp
 nba.0134.bmp
 nba.0135.bmp
 nba.0136.bmp
 nba.0137.bmp
 nba.0138.bmp
 nba.0139.bmp
 nba.0140.bmp
 nba.0141.bmp
 nba.0142.bmp
 nba.0143.bmp
 nba.0144.bmp
 nba.0145.bmp
 nba.0146.bmp
 nba.0147.bmp
 nba.0148.bmp
 nba.0149.bmp
 nba.0150.bmp
 nba.0151.bmp
 nba.0152.bmp
 nba.0153.bmp
 nba.0154.bmp
 nba.0155.bmp
 nba.0156.bmp
 nba.0157.bmp
 nba.0158.bmp
 nba.0159.bmp
 nba.0160.bmp
 nba.0161.bmp
 nba.0162.bmp
 nba.0163.bmp
 nba.0164.bmp
 nba.0165.bmp
 nba.0166.bmp
 nba.0167.bmp
 nba.0168.bmp
 nba.0169.bmp
 nba.0170.bmp
 nba.0171.bmp
 nba.0172.bmp
 nba.0173.bmp
 nba.0174.bmp
 nba.0175.bmp
 nba.0176.bmp
 nba.0177.bmp
 nba.0178.bmp
 nba.0179.bmp
 nba.0180.bmp
 nba.0181.bmp
 nba.0182.bmp
 nba.0183.bmp
 nba.0184.bmp
 nba.0185.bmp
 nba.0186.bmp
 nba.0187.bmp
 nba.0188.bmp
 nba.0189.bmp
 nba.0190.bmp
 nba.0191.bmp
 nba.0192.bmp
 nba.0193.bmp
 nba.0194.bmp
 nba.0195.bmp
 nba.0196.bmp
 nba.0197.bmp
 nba.0198.bmp
 nba.0199.bmp
 nba.0200.bmp
 nba.0201.bmp
 nba.0202.bmp
 nba.0203.bmp
 nba.0204.bmp
 nba.0205.bmp
 nba.0206.bmp
 nba.0207.bmp
 nba.0208.bmp
 nba.0209.bmp
 nba.0210.bmp
 nba.0211.bmp
 nba.0212.bmp
 nba.0213.bmp
 nba.0214.bmp
 nba.0215.bmp
 nba.0216.bmp
 nba.0217.bmp
 nba.0218.bmp
 nba.0219.bmp
 nba.0220.bmp
 nba.0221.bmp
 nba.0222.bmp
 nba.0223.bmp
 nba.0224.bmp
 nba.0225.bmp
 nba.0226.bmp
 nba.0227.bmp
 nba.0228.bmp
 nba.0229.bmp
 nba.0230.bmp
 nba.0231.bmp
 nba.0232.bmp
 nba.0233.bmp
 nba.0234.bmp
 nba.0235.bmp
 nba.0236.bmp
 nba.0237.bmp
 nba.0238.bmp
 nba.0239.bmp
 nba.0240.bmp
 nba.0241.bmp
 nba.0242.bmp
 nba.0243.bmp
 nba.0244.bmp
 nba.0245.bmp
 nba.0246.bmp
 nba.0247.bmp
 nba.0248.bmp
 nba.0249.bmp
 nba.0250.bmp
 nba.0251.bmp
 nba.0252.bmp
 nba.0253.bmp
 nba.0254.bmp
 nba.0255.bmp
 nba.0256.bmp
 nba.0257.bmp
 nba.0258.bmp
 nba.0259.bmp
 nba.0260.bmp
 nba.0261.bmp
 nba.0262.bmp
 nba.0263.bmp
 nba.0264.bmp
 nba.0265.bmp
 nba.0266.bmp
 nba.0267.bmp
 nba.0268.bmp
 nba.0269.bmp
 nba.0270.bmp
 nba.0271.bmp
 nba.0272.bmp
 nba.0273.bmp
 nba.0274.bmp
 nba.0275.bmp
 nba.0276.bmp
 nba.0277.bmp
 nba.0278.bmp
 nba.0279.bmp
 nba.0280.bmp
 nba.0281.bmp
 nba.0282.bmp
 nba.0283.bmp
 nba.0284.bmp
 nba.0285.bmp
 nba.0286.bmp
 nba.0287.bmp
 nba.0288.bmp
 nba.0289.bmp
 nba.0290.bmp
 nba.0291.bmp
 nba.0292.bmp
 nba.0293.bmp
 nba.0294.bmp
 nba.0295.bmp
 nba.0296.bmp
 nba.0297.bmp
 nba.0298.bmp
 nba.0299.bmp
 nba.0300.bmp
 nba.0301.bmp
 nba.0302.bmp
 nba.0303.bmp
 nba.0304.bmp
 nba.0305.bmp
 nba.0306.bmp
 nba.0307.bmp
 nba.0308.bmp
 nba.0309.bmp
 nba.0310.bmp
 nba.0311.bmp
 nba.0312.bmp
 nba.0313.bmp
 nba.0314.bmp
 nba.0315.bmp
 nba.0316.bmp
 nba.0317.bmp
 nba.0318.bmp
 nba.0319.bmp
 nba.0320.bmp
 nba.0321.bmp
 nba.0322.bmp
 nba.0323.bmp
 nba.0324.bmp
 nba.0325.bmp
 nba.0326.bmp
 nba.0327.bmp
 nba.0328.bmp
 nba.0329.bmp
 nba.0330.bmp
 nba.0331.bmp
 nba.0332.bmp
 nba.0333.bmp
 nba.0334.bmp
 nba.0335.bmp
 nba.0336.bmp
 nba.0337.bmp
 nba.0338.bmp
 nba.0339.bmp
 nba.0340.bmp
 nba.0341.bmp
 nba.0342.bmp
 nba.0343.bmp
 nba.0344.bmp
 nba.0345.bmp
 nba.0346.bmp
 nba.0347.bmp
 nba.0348.bmp
 nba.0349.bmp
 nba.0350.bmp
 nba.0351.bmp
 nba.0352.bmp
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/5559#comment:1>
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