"lossless" is relative ;)
if i transcode dv25 (yuv420p) to ffvhuff yuv420p it IS lossless.
if i capture a RGB screen with yuv420p it is definitive not lossless but
you wil no ADDITIONAL have compression artefacts.
I mean always the COMPRESSION is lossless ;) like in mjpeg2000
For screen capturing in high resolution yuv420p will be enough for most
purpuses I think.
Am 01.01.15 um 09:55 schrieb Marcus Johnson:
No offense, but YUV420 is not at all lossless, only 444 is lossless
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