[FFmpeg-user] Error converting 4K DCP

[Carles Vila]

>
> Seems like your source has four components, maybe an alpha channel? I'd
> like to see the pix_fmt, but maybe ffmpeg gives the same error.
>
> Not sure if using libopenjpeg as decoder would help?
> Just add
> -c:v libopenjpeg
> Before your
> -i
>
>
Hi thanks for the tip! it did the trick, almost half as slow but it's OK...

for reference this is the info when using libopenjpeg

ffmpeg version 2.7.2 Copyright (c) 2000-2015 the FFmpeg developers
  built with Apple LLVM version 5.1 (clang-503.0.40) (based on LLVM 3.4svn)
  configuration: --prefix=/usr/local/Cellar/ffmpeg/2.7.2_1 --enable-shared
--enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables
--enable-avresample --cc=clang --host-cflags= --host-ldflags=
--enable-opencl --enable-libx264 --enable-libmp3lame --enable-libvo-aacenc
--enable-libxvid --enable-libfreetype --enable-libvorbis --enable-libvpx
--enable-libass --enable-ffplay --enable-libfdk-aac --enable-libopus
--enable-libquvi --enable-libx265 --enable-libopenjpeg
--extra-cflags='-I/usr/local/Cellar/openjpeg/1.5.2_1/include/openjpeg-1.5 '
--enable-nonfree --enable-vda
  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
  libavresample   2.  1.  0 /  2.  1.  0
  libswscale      3.  1.101 /  3.  1.101
  libswresample   1.  2.100 /  1.  2.100
  libpostproc    53.  3.100 / 53.  3.100
[mxf @ 0x7fd311816400] "OPAtom" with 2 ECs - assuming OP1a
Input #0, mxf, from 'a297c04a-f068-49d0-8213-2b45d58676be_j2c.mxf':
  Metadata:
    uid             : a3c74cd5-74f3-4398-ae9a-d6cf689e7907
    generation_uid  : 5d574c48-8ad3-459a-904b-a3b0467a1259
    company_name    : Fraunhofer IIS
    product_name    : easyDCP Creator
    product_version : 2.2.3
    product_uid     : 7d836e16-37c7-4c22-b2e0-46a717e84f42
    modification_date: 2017-09-21 16:21:42
    application_platform: i386-apple-darwin9.8.0
    material_package_umid:
0x060A2B340101010501010F2013000000F54E66ED0BFE42B18208713C74126BC0
    material_package_name: AS-DCP Material Package
    timecode        : 00:00:00:00
  Duration: 00:00:07.08, start: 0.000000, bitrate: 12475 kb/s
    Stream #0:0: Video: jpeg2000, rgb48le(12 bpc), 3996x2160, SAR 1:1 DAR
37:20, 24 tbr, 24 tbn, 24 tbc
    Metadata:
      file_package_umid:
0x060A2B340101010501010F2013000000A297C04AF06849D082132B45D58676BE
      file_package_name: File Package: SMPTE 429-4 frame wrapping of JPEG
2000 codestreams
Output #0, mov, to '/Volumes/VIDEO_E/***.mov':
  Metadata:
    uid             : a3c74cd5-74f3-4398-ae9a-d6cf689e7907
    generation_uid  : 5d574c48-8ad3-459a-904b-a3b0467a1259
    company_name    : Fraunhofer IIS
    product_name    : easyDCP Creator
    product_version : 2.2.3
    product_uid     : 7d836e16-37c7-4c22-b2e0-46a717e84f42
    modification_date: 2017-09-21 16:21:42
    application_platform: i386-apple-darwin9.8.0
    material_package_umid:
0x060A2B340101010501010F2013000000F54E66ED0BFE42B18208713C74126BC0
    material_package_name: AS-DCP Material Package
    timecode        : 00:00:00:00
    encoder         : Lavf56.36.100
    Stream #0:0: Video: prores (apch) (apch / 0x68637061), yuv422p10le,
3996x2160 [SAR 1:1 DAR 37:20], q=2-31, 200 kb/s, 24 fps, 12288 tbn, 24 tbc
    Metadata:
      file_package_umid:
0x060A2B340101010501010F2013000000A297C04AF06849D082132B45D58676BE
      file_package_name: File Package: SMPTE 429-4 frame wrapping of JPEG
2000 codestreams
      encoder         : Lavc56.41.100 prores
Stream mapping:
  Stream #0:0 -> #0:0 (jpeg2000 (libopenjpeg) -> prores (native))
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