>
> 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))
Press [q] to stop, [?] for help
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