[FFmpeg-user] Framemd5 filter error for atomised Avid 1:10 bit.mxf

[Dave Rice]

Hi Kevin,

> On Jul 10, 2015, at 6:42 AM, Kieran O'Leary <kieran.oleary at irishfilm.ie> wrote:
> 
> Hello,
> 
> I am trying to get a framemd5 output from an atomised Avid 1:1 10bit.mxf. I'm using Media Composer 8.1.0. Ignore the mention of v210 in the filename, I was just hoping to run some tests (I was wondering how much lossy degradation occurs when capturing using Avid 1:1 10 bit and then exporting as v210.mov ).

framemd5 won't help you determine 'how much' visual difference there is between an exported file and a reference file. Depending on how you run it, framemd5 would only confirm if the two files decode to the same raw frame or different ones, it's a yes/no answer and not a 'how much'. I suggest sending both streams as input to the psnr or ssim filters which are better able to quantify visual difference.

Also ffmpeg is not detecting the pixel format of your mxf file, you may have to declare the pixel format before the input.
Dave Rice

> I don't know how to compile the latest source so I took a build from http://ffmpegmac.net . I would normally use zeranoe's nightly builds when on windows, but I'm currently on a mac station. I apologise if I've broken the rules. Let me know if you want a sample or mediainfo output.
> 
> Any help greatly appreciated.
> 
> 
> Full console output:
> 
> i:~ admin$ /Users/admin/Downloads/SnowLeopard_Lion_Mountain_Lion_Mavericks_Yosemite_24/ffmpeg -i /Volumes/Stardom/glitch\ tests/v210atomV01.559F9800.770AD0.mxf -f framemd5 /Volumes/Stardom/glitch\ tests/v210atomV01.559F9800.770AD0.framemd5
> 
> ffmpeg version 2.7.1 Copyright (c) 2000-2015 the FFmpeg developers
> 
>  built with llvm-gcc 4.2.1 (LLVM build 2336.11.00)
> 
>  configuration: --prefix=/Volumes/Ramdisk/sw --enable-gpl --enable-pthreads --enable-version3 --enable-libspeex --enable-libvpx --disable-decoder=libvpx --enable-libmp3lame --enable-libtheora --enable-libvorbis --enable-libx264 --enable-avfilter --enable-libopencore_amrwb --enable-libopencore_amrnb --enable-filters --enable-libgsm --enable-libvidstab --enable-libx265 --disable-doc --arch=x86_64 --enable-runtime-cpudetect
> 
>  libavutil      54. 27.100 / 54. 27.100
> 
>  libavcodec     56. 41.100 / 56. 41.100
> 
>  libavformat    56. 36.100 / 56. 36.100
> 
>  libavdevice    56.  4.100 / 56.  4.100
> 
>  libavfilter     5. 16.101 /  5. 16.101
> 
>  libswscale      3.  1.101 /  3.  1.101
> 
>  libswresample   1.  2.100 /  1.  2.100
> 
>  libpostproc    53.  3.100 / 53.  3.100
> 
> [rawvideo @ 0x7fdb2b801000] Invalid pixel format.
> 
> [mxf @ 0x7fdb2b004a00] Failed to open codec in av_find_stream_info
> 
> [rawvideo @ 0x7fdb2b801000] Invalid pixel format.
> 
> Input #0, mxf, from '/Volumes/Stardom/glitch tests/v210atomV01.559F9800.770AD0.mxf':
> 
>  Metadata:
> 
>    project_name    : mxf v210 test
> 
>    uid             : 7d8145ea-c6da-f74b-99c0-846d937db67f
> 
>    generation_uid  : b6bcfcab-70ff-7331-e18b-b3bb69de11d2
> 
>    application_platform: AAFSDK (MacOS X)
> 
>    modification_date: 2015-07-10 10:01:36
> 
>    product_uid     : acfbf03a-4f42-a231-d0b7-c06ecd3d4ad7
> 
>    product_version : Unknown version
> 
>    product_name    : Avid Media Composer 8.1.0.34535
> 
>    company_name    : Avid Technology, Inc.
> 
>    material_package_umid: 0x060A2B340101010101010F0013000000559F980070AA0E77060E2B347F7F2A80
> 
>    material_package_name: mxf v210 test Bin.01
> 
>  Duration: 00:00:08.72, start: 0.000000, bitrate: 215006 kb/s
> 
>    Stream #0:0: Video: rawvideo, none, 720x592, SAR 148:135 DAR 4:3, 25 fps, 25 tbr, 25 tbn, 25 tbc
> 
>    Metadata:
> 
>      file_package_umid: 0x060A2B340101010101010F0013000000559F980070AD0E77060E2B347F7F2A80
> 
>      file_package_name: Video file
> 
>      reel_umid       : 0x060A2B340101010101010F0013000000559F96D0CC540E72060E2B347F7F2A80
> 
>      reel_name       : v210atomised test
> 
>      timecode        : 01:03:23:09
> 
> File '/Volumes/Stardom/glitch tests/v210atomV01.559F9800.770AD0.framemd5' already exists. Overwrite ? [y/N] y
> 
> [buffer @ 0x7fdb2ad01100] Unable to parse option value "-1" as pixel format
> 
>    Last message repeated 1 times
> 
> [buffer @ 0x7fdb2ad01100] Error setting option pix_fmt to value -1.
> 
> [graph 0 input from stream 0:0 @ 0x7fdb2ad011e0] Error applying options to the filter.
> 
> Error opening filters!
> 
> 
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