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Thread: weird, blocky ProRes

  1. #1
    Join Date
    Jan 2014
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    weird, blocky ProRes

    Hi All,
    I am trying to edit video with ProRes encoding. I am running 12.10. The encoding works and I can see video files encoded with prores, but it looks all blocky (please see picture).

    Can anyone tell me what is wrong? Please let me know what info about my setup to provide. I am using the latest stable release of ffmpeg/mplayer.
    ProRes files look like this regardless of whether I view them in VLC, kdenlive, etc. I don't have problems with any other codec.

    thanks

    Last edited by szegedin74; January 13th, 2014 at 12:04 AM.

  2. #2
    Join Date
    Sep 2006
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    3,713

    Re: weird, blocky ProRes

    Does it play normally in QuickTime, Final Cut, or some other Apple product? Can you provide a sample file (I know it's probably huge)?

  3. #3
    Join Date
    Jan 2014
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    19

    Re: weird, blocky ProRes

    I took the file over to a Windows XP machine and it plays fine in Quicktime there. The problem resides somewhere in my Ubuntu setup, I think, for playback.
    -
    By the way, I have since found that an encoding using FFmbc produces a ProRes file that plays fine in Ubuntu. But I still need to resolve why this is happening with FFMpeg (and I suppose others must also have this problem) -- I need to FFMpeg encoder to work.

  4. #4
    Join Date
    Sep 2006
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    3,713

    Re: weird, blocky ProRes

    Do you believe this is an encoding and/or a decoding bug with ffmpeg? Did you encode these files? If yes, how were they encoded? Please provide a sample, the ffmpeg command, and the complete ffmpeg console output.

  5. #5
    Join Date
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    Re: weird, blocky ProRes

    Thanks for the response. Yes I encoded them with ffmpeg like this:

    Code:
    ffmpeg -r 23.98 -i %06d.tif -vcodec prores btif.mov
    if I encode the same thing with ffmbc it comes out fine:

    Code:
     ffmbc -r 23.98 -i %06d.tif -vcodec prores btif.mov
    It's confusing; if I encode with ffmpeg, it looks messed up in Ubuntu, but it looks fine in windows. If I encode in ffmbc it is fine either way. So it's the ffmpeg encoding, I guess.

    Here's the output
    Code:
    szegedin@szegedin-G31T-M:/media/szegedin/ide200/2raw/b/tif$ ffmpeg -r 23.98 -i %06d.tif -vcodec prores messedup.mov
    ffmpeg version git-2014-01-05-f5f6e59 Copyright (c) 2000-2014 the FFmpeg developers
      built on Jan  5 2014 02:31:29 with gcc 4.7 (Ubuntu/Linaro 4.7.2-2ubuntu1)
       configuration: --prefix=/home/szegedin/ffmpeg_build  --extra-cflags=-I/home/szegedin/ffmpeg_build/include  --extra-ldflags=-L/home/szegedin/ffmpeg_build/lib  --bindir=/home/szegedin/bin --extra-libs=-ldl --enable-gpl  --enable-libass --enable-libfdk-aac --enable-libmp3lame --enable-libopus  --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264  --enable-nonfree --enable-x11grab
      libavutil      52. 60.100 / 52. 60.100
      libavcodec     55. 47.100 / 55. 47.100
      libavformat    55. 22.102 / 55. 22.102
      libavdevice    55.  5.102 / 55.  5.102
      libavfilter     4.  0.103 /  4.  0.103
      libswscale      2.  5.101 /  2.  5.101
      libswresample   0. 17.104 /  0. 17.104
      libpostproc    52.  3.100 / 52.  3.100
    Input #0, image2, from '%06d.tif':
      Duration: 00:00:19.72, start: 0.000000, bitrate: N/A
        Stream #0:0: Video: tiff, rgb24, 1280x720, 25 tbr, 25 tbn, 25 tbc
    [prores @ 0xb384920] encoding with ProRes standard (apcn) profile
    [prores @ 0xb3990c0] encoding with ProRes standard (apcn) profile
    [prores @ 0xb386b40] encoding with ProRes standard (apcn) profile
    Output #0, mov, to 'messedup.mov':
      Metadata:
        encoder         : Lavf55.22.102
        Stream #0:0: Video: prores (apcn) (apcn / 0x6E637061), yuv422p10le, 1280x720, q=2-31, 200 kb/s, 19184 tbn, 23.98 tbc
    Stream mapping:
      Stream #0:0 -> #0:0 (tiff -> prores)
    Press [q] to stop, [?] for help
    frame=     7 fps=0.0 q=0.0 size=    1993kB time=00:00:00.20  bitrate=78313.4kbits/frame=   13 fps= 12 q=0.0 size=    4389kB  time=00:00:00.45 bitrate=78389.8kbits/frame=   18 fps= 11 q=0.0 size=     6387kB time=00:00:00.66 bitrate=78417.5kbits/frame=   26 fps= 12 q=0.0  size=    9582kB time=00:00:01.00 bitrate=78433.1kbits/frame=   31 fps=  12 q=0.0 size=   11576kB time=00:00:01.20 bitrate=78414.0kbits/frame=    38 fps= 12 q=0.0 size=   14375kB time=00:00:01.50  bitrate=78442.7kbits/frame=   45 fps= 12 q=0.0 size=   17161kB  time=00:00:01.79 bitrate=78397.9kbits/frame=   52 fps= 12 q=0.0 size=    19957kB time=00:00:02.08 bitrate=78409.5kbits/frame=   57 fps= 12 q=0.0  size=   21963kB time=00:00:02.29 bitrate=78444.0kbits/frame=   59 fps=  11 q=0.0 size=   22763kB time=00:00:02.37 bitrate=78449.1kbits/frame=    66 fps= 11 q=0.0 size=   25563kB time=00:00:02.66  bitrate=78463.1kbits/frame=   71 fps= 11 q=0.0 size=   27560kB  time=00:00:02.87 bitrate=78464.2kbits/frame=   78 fps= 11 q=0.0 size=    30349kB time=00:00:03.16 bitrate=78445.6kbits/frame=   83 fps= 11 q=0.0  size=   32338kB time=00:00:03.37 bitrate=78427.0kbits/frame=   90 fps=  11 q=0.0 size=   35117kB time=00:00:03.66 bitrate=78392.6kbits/frame=    96 fps= 11 q=0.0 size=   37498kB time=00:00:03.91  bitrate=78364.4kbits/frame=  102 fps= 11 q=0.0 size=   39887kB  time=00:00:04.17 bitrate=78356.6kbits/frame=  106 fps= 11 q=0.0 size=    41478kB time=00:00:04.33 bitrate=78347.7kbits/frame=  107 fps= 10 q=0.0  size=   41878kB time=00:00:04.37 bitrate=78348.6kbits/frame=  112 fps=  10 q=0.0 size=   43856kB time=00:00:04.58 bitrate=78320.8kbits/frame=   117 fps= 10 q=0.0 size=   45838kB time=00:00:04.79  bitrate=78301.4kbits/frame=  123 fps= 10 q=0.0 size=   48225kB  time=00:00:05.04 bitrate=78293.9kbits/frame=  130 fps= 10 q=0.0 size=    51014kB time=00:00:05.33 bitrate=78292.5kbits/frame=  135 fps= 10 q=0.0  size=   53013kB time=00:00:05.54 bitrate=78301.7kbits/frame=  140 fps=  10 q=0.0 size=   55002kB time=00:00:05.75 bitrate=78296.4kbits/frame=   146 fps= 10 q=0.0 size=   57389kB time=00:00:06.00  bitrate=78289.4kbits/frame=  152 fps= 10 q=0.0 size=   59770kB  time=00:00:06.25 bitrate=78276.1kbits/frame=  154 fps=9.8 q=0.0 size=    60565kB time=00:00:06.33 bitrate=78273.8kbits/frame=  161 fps=9.9 q=0.0  size=   63374kB time=00:00:06.63 bitrate=78298.6kbits/frame=  166  fps=9.9 q=0.0 size=   65376kB time=00:00:06.83  bitrate=78308.8kbits/frame=  173 fps= 10 q=0.0 size=   68159kB  time=00:00:07.13 bitrate=78300.5kbits/frame=  180 fps= 10 q=0.0 size=    70938kB time=00:00:07.42 bitrate=78288.5kbits/frame=  186 fps= 10 q=0.0  size=   73336kB time=00:00:07.67 bitrate=78295.7kbits/frame=  192 fps=  10 q=0.0 size=   75748kB time=00:00:07.92 bitrate=78316.6kbits/frame=   199 fps= 10 q=0.0 size=   78553kB time=00:00:08.21  bitrate=78331.1kbits/frame=  205 fps=9.9 q=0.0 size=   80943kB  time=00:00:08.46 bitrate=78328.6kbits/frame=  211 fps=9.9 q=0.0 size=    83314kB time=00:00:08.71 bitrate=78308.8kbits/frame=  217 fps=9.9 q=0.0  size=   85679kB time=00:00:08.96 bitrate=78284.7kbits/frame=  223  fps=9.9 q=0.0 size=   88061kB time=00:00:09.21  bitrate=78276.1kbits/frame=  230 fps= 10 q=0.0 size=   90837kB  time=00:00:09.50 bitrate=78264.7kbits/frame=  236 fps= 10 q=0.0 size=    93207kB time=00:00:09.75 bitrate=78247.7kbits/frame=  243 fps= 10 q=0.0  size=   95937kB time=00:00:10.05 bitrate=78200.4kbits/frame=  249 fps=  10 q=0.0 size=   98269kB time=00:00:10.30 bitrate=78155.1kbits/frame=   255 fps=9.9 q=0.0 size=  100594kB time=00:00:10.55  bitrate=78107.4kbits/frame=  260 fps=9.9 q=0.0 size=  102543kB  time=00:00:10.75 bitrate=78077.3kbits/frame=  266 fps=9.9 q=0.0 size=   104883kB time=00:00:11.00 bitrate=78044.0kbits/frame=  272 fps=9.9 q=0.0  size=  107218kB time=00:00:11.25 bitrate=78008.7kbits/frame=  278 fps=  10 q=0.0 size=  109535kB time=00:00:11.50 bitrate=77961.7kbits/frame=   283 fps= 10 q=0.0 size=  111471kB time=00:00:11.71  bitrate=77928.4kbits/frame=  290 fps= 10 q=0.0 size=  114205kB  time=00:00:12.01 bitrate=77898.8kbits/frame=  295 fps= 10 q=0.0 size=   116178kB time=00:00:12.21 bitrate=77892.4kbits/frame=  301 fps= 10 q=0.0  size=  118550kB time=00:00:12.46 bitrate=77888.0kbits/frame=  304  fps=9.9 q=0.0 size=  119727kB time=00:00:12.59  bitrate=77879.7kbits/frame=  309 fps=9.9 q=0.0 size=  121690kB  time=00:00:12.80 bitrate=77867.5kbits/frame=  314 fps=9.9 q=0.0 size=   123665kB time=00:00:13.01 bitrate=77862.8kbits/frame=  319 fps=9.8 q=0.0  size=  125635kB time=00:00:13.21 bitrate=77855.5kbits/frame=  325  fps=9.9 q=0.0 size=  127993kB time=00:00:13.46  bitrate=77843.6kbits/frame=  331 fps=9.9 q=0.0 size=  130360kB  time=00:00:13.71 bitrate=77837.1kbits/frame=  338 fps=9.9 q=0.0 size=   133124kB time=00:00:14.01 bitrate=77831.8kbits/frame=  343 fps=9.9 q=0.0  size=  135099kB time=00:00:14.22 bitrate=77828.3kbits/frame=  349  fps=9.9 q=0.0 size=  137457kB time=00:00:14.47  bitrate=77817.1kbits/frame=  354 fps=9.9 q=0.0 size=  139405kB  time=00:00:14.67 bitrate=77799.4kbits/frame=  357 fps=9.8 q=0.0 size=   140573kB time=00:00:14.80 bitrate=77788.3kbits/frame=  362 fps=9.8 q=0.0  size=  142513kB time=00:00:15.01 bitrate=77766.3kbits/frame=  366  fps=9.8 q=0.0 size=  144067kB time=00:00:15.17  bitrate=77750.4kbits/frame=  371 fps=9.8 q=0.0 size=  146013kB  time=00:00:15.38 bitrate=77732.7kbits/frame=  377 fps=9.8 q=0.0 size=   148353kB time=00:00:15.63 bitrate=77715.1kbits/frame=  382 fps=9.8 q=0.0  size=  150305kB time=00:00:15.84 bitrate=77701.3kbits/frame=  387  fps=9.8 q=0.0 size=  152242kB time=00:00:16.05  bitrate=77680.4kbits/frame=  392 fps=9.8 q=0.0 size=  154167kB  time=00:00:16.26 bitrate=77654.1kbits/frame=  396 fps=9.7 q=0.0 size=   155697kB time=00:00:16.43 bitrate=77629.1kbits/frame=  400 fps=9.6 q=0.0  size=  157233kB time=00:00:16.59 bitrate=77606.7kbits/frame=  405  fps=9.6 q=0.0 size=  159156kB time=00:00:16.80  bitrate=77581.3kbits/frame=  411 fps=9.6 q=0.0 size=  161458kB  time=00:00:17.05 bitrate=77548.9kbits/frame=  417 fps=9.6 q=0.0 size=   163756kB time=00:00:17.30 bitrate=77515.7kbits/frame=  422 fps=9.6 q=0.0  size=  165677kB time=00:00:17.51 bitrate=77491.0kbits/frame=  427  fps=9.6 q=0.0 size=  167592kB time=00:00:17.72  bitrate=77464.7kbits/frame=  432 fps=9.6 q=0.0 size=  169504kB  time=00:00:17.93 bitrate=77437.3kbits/frame=  438 fps=9.6 q=0.0 size=   171797kB time=00:00:18.18 bitrate=77405.0kbits/frame=  443 fps=9.6 q=0.0  size=  173710kB time=00:00:18.39 bitrate=77379.5kbits/frame=  450  fps=9.6 q=0.0 size=  176388kB time=00:00:18.68  bitrate=77344.8kbits/frame=  456 fps=9.6 q=0.0 size=  178682kB  time=00:00:18.93 bitrate=77315.0kbits/frame=  461 fps=9.6 q=0.0 size=   180594kB time=00:00:19.14 bitrate=77291.2kbits/frame=  468 fps=9.7 q=0.0  size=  183269kB time=00:00:19.43 bitrate=77257.7kbits/frame=  474  fps=9.7 q=0.0 size=  185562kB time=00:00:19.68  bitrate=77230.2kbits/frame=  479 fps=9.7 q=0.0 size=  187475kB  time=00:00:19.89 bitrate=77208.2kbits/frame=  484 fps=9.6 q=0.0 size=   189385kB time=00:00:20.10 bitrate=77186.0kbits/frame=  485 fps=9.5 q=0.0  size=  189767kB time=00:00:20.14 bitrate=77181.4kbits/frame=  488  fps=9.5 q=0.0 size=  190914kB time=00:00:20.26  bitrate=77168.5kbits/frame=  493 fps=9.4 q=0.0 Lsize=  193595kB  time=00:00:20.55 bitrate=77141.2kbits/s    
    video:193591kB audio:0kB subtitle:0 global headers:0kB muxing overhead 0.001863
    Last edited by szegedin74; January 14th, 2014 at 03:34 AM.

  6. #6
    Join Date
    Sep 2006
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    Re: weird, blocky ProRes

    Can you provide your output file (messedup.mov)?

  7. #7
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    Jan 2014
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    19

    Re: weird, blocky ProRes

    Video file looks like the picture, above, on Ubuntu.

    It's stored here, but will not download, presumably because of the encoding problem.

  8. #8
    Join Date
    Jun 2007
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    16,017

    Re: weird, blocky ProRes

    Your seven.mov plays back fine here, tested with mpv, vlc, totem
    (to download > right click > save link as.....

  9. #9
    Join Date
    Jan 2014
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    19

    Re: weird, blocky ProRes

    Quote Originally Posted by mc4man View Post
    Your seven.mov plays back fine here, tested with mpv, vlc, totem
    (to download > right click > save link as.....
    Thanks for that. Are you on ubuntu 12.10?

    Does this point to my ffplay? Anyone know?

  10. #10
    Join Date
    Sep 2006
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    3,713

    Re: weird, blocky ProRes

    On 12.10 recent ffplay and ffmpeg from FFmpeg decode it properly, but Libav products (avplay and fake "ffplay") in the repo do not decode it properly. Since it also works in QuickTime, but not in Libav stuff, I do not believe this is a(n existing) FFmpeg bug.
    Last edited by FakeOutdoorsman; January 15th, 2014 at 01:18 AM.

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