[FFmpeg-user] Lossless x264
Henk D. Schoneveld
belcampo at zonnet.nl
Sun Jan 15 15:48:32 CET 2012
On Jan 15, 2012, at 8:08 AM, dE . wrote:
> If I specify a high bitrate in order to ensure lossless quality, the bitrate becomes really high even for videos at horrible quality. The results --> original is larger than encoded.
Rubbish in rubbish out. If the source has a lot of noise for example, that is very expensive, bitwise, to compress therefore the larger size. Lossless encoding is much more efficient, bitwise, when the source is clean/highquality. At least I think so.
> So my question here is -- is there anyway to get lossless, yet with good sizes (i.e. I'm asking for efficiency here). mpeg4 appears to do this.
> I did try -q0, but it's apparently the same as -b:v 200000k
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