Anton Khirnov: > Quoting Marth64 (2024-03-06 16:36:32) >> Good morning, >> >> DVD subtitle palettes, which are natively YUV, are currently carried as >> a hex string in their respective subtitle streams and have >> no concept of colorspace tagging (even predating dvd demuxer). The >> convention is to convert >> them to RGB prior to storage. Common players will only render >> the palettes properly if they are stored as RGB. Even ffmpeg itself >> expects this, and already does -in libavformat- the YUV-RGB conversions, >> specifically in mov.c and movenc.c. >> >> The point of this patch is to provide a consolidation of the code >> that deals with creating the extradata as well as the RGB conversion. >> That can then (1) enable usable palette support for DVD demuxer if it is >> merged >> and (2) start the process of consolidating the related conversions in >> MOV muxer/demuxer and eventually find a way to properly tag >> the colorspace. > > Is there any reason ever to export YUV palette? Should this even be an > option? >
Is the conversion lossless? - Andreas _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
