Hi! 2016-08-30 9:40 GMT+02:00 Peter Steinbach <[email protected]>: > Stefano, did you check if your dataset really spans all 16 bits? if not, you > might be lucky. otherwise 16-to-8-bit quantisation might do the trick, but > is outside the scope of ffmpeg AFAIK. one thing I also haven't tried is > copying gray16 into yuv444 and let h264 swallow it. the idea is to split the > 16-bit in 2 compartments. and fill Y and U only (the empty V channel gives > 8bit overhead).
But since the eight lsb do not visually depend for neighbored pixels, output would not make sense or do I misunderstand? > x265 might one day support 16-bits maturely, but is not really competitive > yet in terms of ingest bandwidth with x264 ... at least from my studies > (compression ration is already well ahead of x264). HEVC yields native > grey16 support as far as the standard goes. Is there a hevc decoder that supports 16bit? Carl Eugen _______________________________________________ Libav-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/libav-user
