#7342: Wrong colours when decoding dnxhd --------------------------------------+--------------------------------- Reporter: cehoyos | Owner: Type: defect | Status: new Priority: normal | Component: avcodec Version: git-master | Keywords: dnxhd Blocked By: | Blocking: Reproduced by developer: 0 | Analyzed by developer: 0 --------------------------------------+--------------------------------- http://ffmpeg.org/pipermail/ffmpeg-user/2018-August/040775.html A user provided a dnxhd file that looks ugly when decoded with FFmpeg and an rgb file that shows the expected output, I will attach two files. {{{ $ ffmpeg -i Color_Profile_nuke11_DNxHD-mov64_444_Full.mov -qscale 2 out.avi ffmpeg version N-91548-g481741e Copyright (c) 2000-2018 the FFmpeg developers built with gcc 6.4.0 (GCC) configuration: --enable-gpl --enable-gnutls --enable-libxml2 libavutil 56. 18.102 / 56. 18.102 libavcodec 58. 22.100 / 58. 22.100 libavformat 58. 17.101 / 58. 17.101 libavdevice 58. 4.101 / 58. 4.101 libavfilter 7. 26.100 / 7. 26.100 libswscale 5. 2.100 / 5. 2.100 libswresample 3. 2.100 / 3. 2.100 libpostproc 55. 2.100 / 55. 2.100 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'Color_Profile_nuke11_DNxHD- mov64_444_Full.mov': Metadata: major_brand : qt minor_version : 512 compatible_brands: qt uk.co.thefoundry.Application: Nuke uk.co.thefoundry.ApplicationVersion: 11.1v3 uk.co.thefoundry.YCbCrMatrix: Rec 709 uk.co.thefoundry.Colorspace: linear uk.co.thefoundry.Writer: mov64 Duration: 00:00:00.04, start: 0.000000, bitrate: 352561 kb/s Stream #0:0(eng): Video: dnxhd (DNXHD) (AVdn / 0x6E645641), yuv444p10le(pc, bt709/unknown/unknown), 1920x1080, 352321 kb/s, SAR 1:1 DAR 16:9, 24 fps, 24 tbr, 2400 tbn, 2400 tbc (default) Metadata: handler_name : VideoHandler encoder : DNxHD Please use -q:a or -q:v, -qscale is ambiguous Stream mapping: Stream #0:0 -> #0:0 (dnxhd (native) -> mpeg4 (native)) Press [q] to stop, [?] for help Output #0, avi, to 'out.avi': Metadata: major_brand : qt minor_version : 512 compatible_brands: qt uk.co.thefoundry.Application: Nuke uk.co.thefoundry.ApplicationVersion: 11.1v3 uk.co.thefoundry.YCbCrMatrix: Rec 709 uk.co.thefoundry.Colorspace: linear uk.co.thefoundry.Writer: mov64 ISFT : Lavf58.17.101 Stream #0:0(eng): Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], q=2-31, 200 kb/s, 24 fps, 24 tbn, 24 tbc (default) Metadata: handler_name : VideoHandler encoder : Lavc58.22.100 mpeg4 Side data: cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1 frame= 1 fps=0.0 q=2.0 Lsize= 87kB time=00:00:00.04 bitrate=17080.2kbits/s speed=1.22x video:81kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 6.957787% }}} -- Ticket URL: <https://trac.ffmpeg.org/ticket/7342> FFmpeg <https://ffmpeg.org> FFmpeg issue tracker