[FFmpeg-user] HD > SD Down-Convert Prores Color

Tue May 26 07:24:01 CEST 2015

----------------------------------------
> From: kevwells at hotmail.co.uk
> To: ffmpeg-user at ffmpeg.org
> Date: Fri, 22 May 2015 11:16:42 +0000
> Subject: Re: [FFmpeg-user] HD> SD Down-Convert Prores Color
>
> ----------------------------------------
>> To: ffmpeg-user at ffmpeg.org
>> From: cehoyos at ag.or.at
>> Date: Thu, 21 May 2015 10:56:58 +0000
>> Subject: Re: [FFmpeg-user] HD> SD Down-Convert Prores Color
>>
>> Kevin Wells <kevwells <at> hotmail.co.uk> writes:
>>
>>> Stream #0:0(eng): Video: prores (apch / 0x68637061),
>>
>>> yuv422p10le(bt470bg/smpte170m
>>
>> Did you try to pass this to your encoding command?
>> (You need git pull or use smpte170m twice.)
>>
>> Carl Eugen
>> _______________________________________________
>> ffmpeg-user mailing list
>> ffmpeg-user at ffmpeg.org
>> http://ffmpeg.org/mailman/listinfo/ffmpeg-user
>
> Hi Carl, I have now tried this command:
>
> HD_BARS.mov -s pal -vcodec prores -profile 3 -vtag apch -an -movflags +write_colr -an -s pal -color_primaries smpte170m -colorspace bt470bg out.mov
>
> Using this ffmpeg output now matches the SD sample I sent you:
>
> yuv422p10le(bt470bg/smpte170m/unknown
>
> BUT the output is still wrong, much too bright.
> Here is the current output:
>
> ffmpeg -i HD_BARS.mov -s pal -vcodec prores -profile 3 -vtag apch -an -movflags +write_colr -an -s pal -color_primaries smpte170m -colorspace bt470bg out.mov
> ffmpeg version 2.6.git Copyright (c) 2000-2015 the FFmpeg developers
> built with Apple LLVM version 6.1.0 (clang-602.0.49) (based on LLVM 3.6.0svn)
> configuration: --prefix=/Volumes/tempdisk/sw --enable-gpl --enable-pthreads --disable-ffplay --disable-ffserver --enable-libvpx --disable-decoder=libvpx --enable-libmp3lame --enable-libtheora --enable-libvorbis --enable-libx264 --enable-libxvid --enable-avfilter --enable-zlib --enable-filters --arch=x86 --enable-runtime-cpudetect
> libavutil 54. 23.101 / 54. 23.101
> libavcodec 56. 38.100 / 56. 38.100
> libavformat 56. 32.100 / 56. 32.100
> libavdevice 56. 4.100 / 56. 4.100
> libavfilter 5. 16.101 / 5. 16.101
> libswscale 3. 1.101 / 3. 1.101
> libswresample 1. 1.100 / 1. 1.100
> libpostproc 53. 3.100 / 53. 3.100
> Guessed Channel Layout for Input Stream #0.1 : mono
> Guessed Channel Layout for Input Stream #0.2 : mono
> Guessed Channel Layout for Input Stream #0.3 : mono
> Guessed Channel Layout for Input Stream #0.4 : mono
> Guessed Channel Layout for Input Stream #0.5 : mono
> Guessed Channel Layout for Input Stream #0.6 : mono
> Guessed Channel Layout for Input Stream #0.7 : mono
> Guessed Channel Layout for Input Stream #0.8 : mono
> Guessed Channel Layout for Input Stream #0.9 : mono
> Guessed Channel Layout for Input Stream #0.10 : mono
> Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'HD_BARS.mov':
> Metadata:
> major_brand : qt
> minor_version : 537199360
> compatible_brands: qt
> creation_time : 2015-05-22 11:00:20
> Duration: 00:00:01.00, start: 0.000000, bitrate: 37093 kb/s
> Stream #0:0(eng): Video: prores (apch / 0x68637061), yuv422p10le(bt709), 1920x1080, 25465 kb/s, SAR 1:1 DAR 16:9, 23.98 fps, 23.98 tbr, 23976 tbn, 23976 tbc (default)
> Metadata:
> creation_time : 2015-05-22 11:00:20
> handler_name : Apple Alias Data Handler
> encoder : Apple ProRes 422 HQ
> timecode : 00:57:50:00
> Stream #0:1(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, 1 channels, s32 (24 bit), 1152 kb/s (default)
> Metadata:
> creation_time : 2015-05-22 11:00:20
> handler_name : Apple Alias Data Handler
> Stream #0:2(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, 1 channels, s32 (24 bit), 1152 kb/s (default)
> Metadata:
> creation_time : 2015-05-22 11:00:20
> handler_name : Apple Alias Data Handler
> Stream #0:3(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, 1 channels, s32 (24 bit), 1152 kb/s (default)
> Metadata:
> creation_time : 2015-05-22 11:00:20
> handler_name : Apple Alias Data Handler
> Stream #0:4(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, 1 channels, s32 (24 bit), 1152 kb/s (default)
> Metadata:
> creation_time : 2015-05-22 11:00:20
> handler_name : Apple Alias Data Handler
> Stream #0:5(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, 1 channels, s32 (24 bit), 1152 kb/s (default)
> Metadata:
> creation_time : 2015-05-22 11:00:20
> handler_name : Apple Alias Data Handler
> Stream #0:6(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, 1 channels, s32 (24 bit), 1152 kb/s (default)
> Metadata:
> creation_time : 2015-05-22 11:00:20
> handler_name : Apple Alias Data Handler
> Stream #0:7(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, 1 channels, s32 (24 bit), 1152 kb/s (default)
> Metadata:
> creation_time : 2015-05-22 11:00:20
> handler_name : Apple Alias Data Handler
> Stream #0:8(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, 1 channels, s32 (24 bit), 1152 kb/s (default)
> Metadata:
> creation_time : 2015-05-22 11:00:20
> handler_name : Apple Alias Data Handler
> Stream #0:9(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, 1 channels, s32 (24 bit), 1152 kb/s (default)
> Metadata:
> creation_time : 2015-05-22 11:00:20
> handler_name : Apple Alias Data Handler
> Stream #0:10(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, 1 channels, s32 (24 bit), 1152 kb/s (default)
> Metadata:
> creation_time : 2015-05-22 11:00:20
> handler_name : Apple Alias Data Handler
> Stream #0:11(eng): Data: none (tmcd / 0x64636D74) (default)
> Metadata:
> creation_time : 2015-05-22 11:00:20
> handler_name : Apple Alias Data Handler
> timecode : 00:57:50:00
> Please use -profile:a or -profile:v, -profile is ambiguous
> File 'out.mov' already exists. Overwrite ? [y/N] y
> Output #0, mov, to 'out.mov':
> Metadata:
> major_brand : qt
> minor_version : 537199360
> compatible_brands: qt
> encoder : Lavf56.32.100
> Stream #0:0(eng): Video: prores (apch) (apch / 0x68637061), yuv422p10le(bt470bg/smpte170m/unknown), 720x576 [SAR 64:45 DAR 16:9], q=2-31, 200 kb/s, 23.98 fps, 11988 tbn, 23.98 tbc (default)
> Metadata:
> creation_time : 2015-05-22 11:00:20
> handler_name : Apple Alias Data Handler
> timecode : 00:57:50:00
> encoder : Lavc56.38.100 prores
> Stream mapping:
> Stream #0:0 -> #0:0 (prores (native) -> prores (native))
> Press [q] to stop, [?] for help
> frame= 24 fps=0.0 q=0.0 Lsize= 1217kB time=00:00:01.00 bitrate=9959.2kbits/s
> video:1216kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.117459%
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Hi Carl, have you had a chance to look a tthe above, not sure what to do next.

Kind regards. 		 	   		  