Hi, sending a proposed new API for exporting QP tables (and possibly other things in the future). It is based on a patch from Juan De León (cf. <20190819233655.171637-1-jua...@google.com>).
The set is intended for dicussion, not merging at this point. It does not adapt the filters and thus breaks FATE. Some points to discuss: - should the per-block structure store the final per-block quantizer or the delta from the per-frame value (each can be easily computed from the other, so it's more of a convenience question)? deltas are used in the current set as suggested by Lynne - do we want per-plane quantizers in each block? The original patch didn't have them. Do we want separate AC/DC quantizers? Anything else? - what to do with (M)JPEG? AFAIU it doesn't have a quantizer scale like later codecs, just full quantization matrices. Our decoder currently exports some number calculated from those in a non-obvious way. Is that useful or should that be dropped? Please comment. -- Anton Khirnov _______________________________________________ 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".
