On 11/27/18, Kieran O Leary <kieran.o.le...@gmail.com> wrote: > On Tue, Nov 27, 2018 at 8:03 PM Dave Rice <d...@dericed.com> wrote: > >> >> > On Nov 27, 2018, at 10:29 AM, Kieran O Leary <kieran.o.le...@gmail.com> >> wrote: >> > >> > On Tue, 27 Nov 2018, 15:21 Paul B Mahol <one...@gmail.com <mailto: >> one...@gmail.com> wrote: >> > >> >> On 11/27/18, Kieran O'Leary <kieran.ole...@irishfilm.ie> wrote: >> >>> When creating MOV files, setting the -color_range option does not seem >> to >> >>> have any effect. What am I doing wrong? Could it have anything to do >> with >> >>> the removal of the yuvj pixel formats? >> >>> Is setting this metadata even possible in the MOV container, or is it >> >>> something that is expected to be flagged at the stream level? I was >> >> having >> >>> difficulty finding info on where this info is even located in a file >> >>> in >> >>> both: >> >>> >> https://developer.apple.com/library/archive/technotes/tn2162/_index.html >> >> and >> >>> >> >> >> https://developer.apple.com/library/archive/documentation/QuickTime/QTFF/QTFFPreface/qtffPreface.html >> >>> >> >>> Worrying, if I set a value of jpeg, mpeg, or 0, ffprobe says that the >> >> file >> >>> has TV range. >> >>> >> >>> How to replicate: >> >>> >> >>> $ ./ffmpeg -f lavfi -i testsrc -color_range jpeg -c:v prores -t 1 >> >>> prores_jpeg.mov >> >> >> >> That encoder incorrectly never changes color range. >> >> >> > >> > Can this metadata ever be set at a container level for mov? Must it >> always >> > be the stream that holds this info? >> >> By default the colr atom is not written by ffmpeg, even when mandated >> (such as described in TN2162 for uncompressed in QuickTime). You can >> enable >> the colr atom while muxing by adding, -movflags write_colr. It’s been over >> 4 years since Vittorio added colr atom support, perhaps time to consider >> making it enabled by default. >> Dave Rice >> > > I tried adding the -movflags +write_colr argument in my testing but it > didn't do anything. And it looks like the colr atom doesn't store a value > for colour range anyhow: > https://developer.apple.com/library/archive/documentation/QuickTime/QTFF/QTFFChap3/qtff3.html > But +1 to enabling by default.
I think prores encoder will soon get color_range writing from prores_ks. _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".