Doom9's Forum - View Single Post

SirLagsalot · 17th November 2013, 20:45

I can use upsampled or generated high-bitdepth video for developing and testing for losslessness, but to really tune the compression algorithms and speed optimizations, I need real footage. The upsampled/generated video simply won't have the same statistical distribution for the synthesized bits, and that could skew the results. I don't need test video immediately either, just in the next couple of months.

Since this would be a re-write, I would like to simplify how color formats are handled so it is easier to support more of them. YV24 and YV8 would probably be added, and Lagarith can already support encoding YV16.

I don't think I will add an option for Rec.709 (or Rec.2020), since it is another option the user has to get right or they can introduce noticeable loss. I feel that is an option better left to the encoding or decoding program.

17th November 2013, 20:45	#149 \| Link
SirLagsalot Registered User Join Date: Mar 2011 Posts: 10	I can use upsampled or generated high-bitdepth video for developing and testing for losslessness, but to really tune the compression algorithms and speed optimizations, I need real footage. The upsampled/generated video simply won't have the same statistical distribution for the synthesized bits, and that could skew the results. I don't need test video immediately either, just in the next couple of months. Since this would be a re-write, I would like to simplify how color formats are handled so it is easier to support more of them. YV24 and YV8 would probably be added, and Lagarith can already support encoding YV16. I don't think I will add an option for Rec.709 (or Rec.2020), since it is another option the user has to get right or they can introduce noticeable loss. I feel that is an option better left to the encoding or decoding program.