Hi, On Wed, 18 Jul 2018, 13:48 Pete Willis, <[email protected]> wrote:
> We are trying to match the output colour to the source content but > although the output formats matches the source we cannot get it to match. > > Screenshot attached of the 3 outputs plus the original (top right) we have > tested with media info for each: > I don't see any screenshots. It is best to copy paste the full, uncut terminal output including your actual commands. > > > Using these settings: > > > flags=lanczos,colormatrix=bt601:bt709 [v] -acodec pcm_s24le -b:a 128k > -b:v 512k -vcodec prores_ks -r 23.976023976023978 -f mov -profile:v 3 > -qscale 4 -pix_fmt yuv422p -y -map [v] -map [a] -timecode 00:59:53:00 > /videos/C1234_100_12HD_TestRaw.mov > Can you post the full commands you used? This would tell us which version of ffmpeg you are using as well. You could try adding the `-movflags write_colr` option as it appears that FFmpeg might not be writing colr atoms without it. You could also specify the -color_trc, -color_primaries and -colorspace values to bt709. Also yuv422p is 8-bit and is not supported by `prores_ks`. FFmpeg probably autoselected yuv422p10le for you. Also it looks like you're declaring 128k bitrate for uncompressed 24-bit audio which is kinda weird. 512k bitrate for video which is also weird and probably ignored by the prores encoder. > > > We have also tried -pix_fmt yuv422p10le (number 4 in the image) > > Removing the flags=lanczos (Number 3) > > > Below is the media info for each > > 1. (Top left) output > Video > ID : 1 > Format : ProRes > Format version : Version 0 > Format profile : 422 HQ > Codec ID : apch > Duration : 37s 37ms > Bit rate mode : Variable > Bit rate : 124 Mbps > Width : 1 920 pixels > Height : 1 080 pixels > Display aspect ratio : 16:9 > Frame rate mode : Constant > Frame rate : 23.976 (24000/1001) fps > Color space : YUV > Chroma subsampling : 4:2:2 > Scan type : Progressive > Bits/(Pixel*Frame) : 2.485 > Stream size : 546 MiB (98%) > Writing library : Lavc > Language : English > Color primaries : BT.709 > Transfer characteristics : BT.709 > Matrix coefficients : BT.709 > > > 2. (Top right) source content > > ID : 1 > Format : ProRes > Format version : Version 0 > Format profile : 422 HQ > Codec ID : apch > Duration : 37s 37ms > Bit rate mode : Variable > Bit rate : 89.7 Mbps > Width : 1 920 pixels > Height : 1 080 pixels > Display aspect ratio : 16:9 > Frame rate mode : Constant > Frame rate : 23.976 (24000/1001) fps > Color space : YUV > Chroma subsampling : 4:2:2 > Scan type : Progressive > Bits/(Pixel*Frame) : 1.805 > Stream size : 396 MiB (98%) > Writing library : aut0 > Language : English > Encoded date : UTC 2017-04-26 17:06:27 > Tagged date : UTC 2017-04-26 17:06:27 > Color primaries : BT.709 > Transfer characteristics : BT.709 > Matrix coefficients : BT.709 > matrix_coefficients_Original : BT.709 > Btw this is mediainfo telling you that the _Original value is set at a codec level. Best, Kieran. > > > 3. (Bottom left) > > ID : 1 > Format : ProRes > Format version : Version 0 > Format profile : 422 HQ > Codec ID : apch > Duration : 37s 37ms > Bit rate mode : Variable > Bit rate : 123 Mbps > Width : 1 920 pixels > Height : 1 080 pixels > Display aspect ratio : 16:9 > Frame rate mode : Constant > Frame rate : 23.976 (24000/1001) fps > Color space : YUV > Chroma subsampling : 4:2:2 > Scan type : Progressive > Bits/(Pixel*Frame) : 2.478 > Stream size : 544 MiB (98%) > Writing library : Lavc > Language : English > > 4. Bottom (right) > > ID : 1 > Format : ProRes > Format version : Version 0 > Format profile : 422 HQ > Codec ID : apch > Duration : 37s 37ms > Bit rate mode : Variable > Bit rate : 119 Mbps > Width : 1 920 pixels > Height : 1 080 pixels > Display aspect ratio : 16:9 > Frame rate mode : Constant > Frame rate : 23.976 (24000/1001) fps > Color space : YUV > Chroma subsampling : 4:2:2 > Scan type : Progressive > Bits/(Pixel*Frame) : 2.398 > Stream size : 526 MiB (98%) > Writing library : Lavc > Language : English > Matrix coefficients : BT.709 > > > > _______________________________________________ > ffmpeg-user mailing list > [email protected] > http://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > [email protected] with subject "unsubscribe". > _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
