We've added support for the correct elements in matroskadec and matroskaenc: https://github.com/FFmpeg/FFmpeg/commit/e7e5c5e6c4d7e85531bd90a84cbd35c3d84f0453 https://github.com/FFmpeg/FFmpeg/commit/bbda13a7713b8ae8c725c5bb774ac45d614b34eb
The intention of this patch is to expose a way to set this data via the command-line, but in hindsight I see that wasn't clear in my description. I'm proposing using the key/value pair on command line to set the values, e.g., -metadata:s:v:0 master-display="G(13248,34499)B(7500,2999)R(34000,15999)WP(15700,17550)L(10000000,100)" The value is not written in the matroska tags, only to the colour elements. I'm happy to consider alternatives, but wasn't sure there was a precedent for instantiating the packet side data from command line. On Sun, Apr 3, 2016 at 5:13 PM, Dave Rice <d...@dericed.com> wrote: > >> On Apr 3, 2016, at 6:38 PM, Neil Birkbeck <neil.birkb...@gmail.com> wrote: >> >> Use "master_display" key/value pair to specify mastering metadata in a >> similar formatting as accepted by libx265 (unless there is some other >> generic way to add side data to a stream from command line). >> Currently, the packet side data propagates from an input file to >> output file if it is transmuxed (mkv -> mkv). Perhaps we want to also >> use this same metadata key in matroskadec to also allow for the >> metadata to propagate during transcoding. >> <0001-lavf-matroskaenc.c-use-metadata-key-value-to-set-mas.patch>_______________________________________________ > > Wouldn’t it reduce confusion if the proposed MasteringMetadata elements[1] > were used rather than rather than storing the same data as Matroska tags? > > Dave Rice > > [1] as discussed on the CELLAR list > https://mailarchive.ietf.org/arch/msg/cellar/hIKLhMdgTMTEwUTeA4ct38h0tmE > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > http://ffmpeg.org/mailman/listinfo/ffmpeg-devel _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
