[FFmpeg-user] Lossless x264

dE . de.techno at gmail.com
Sun Jan 15 14:58:03 CET 2012

On 01/15/12 20:18, Henk D. Schoneveld wrote:
> 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.

But howcome mpeg4 churns 1/3rd the bitrate under same settings? -b:v is 
20000k in both cases, with mpeg4 I get 3 - 4k and with libx264 I get 
11000 to 20000.

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