[FFmpeg-user] Generating bloated videos

Reindl Harald h.reindl at thelounge.net
Sun Jun 4 18:22:03 EEST 2023



Am 04.06.23 um 13:34 schrieb Bouke / Videotoolshed:
> 
>> On 4 Jun 2023, at 13:15, Reindl Harald <h.reindl at thelounge.net> wrote:
>>
>>
>>
>> Am 04.06.23 um 12:44 schrieb Cecil Westerhof via ffmpeg-user:
>>> Bouke / Videotoolshed <bouke at videotoolshed.com> writes:t I’ve never seen in myself.
>>>>
>>>> Brings me to the low quality, note that noise is very hard to compress.
>>> That can be true, but still the behaviour is strange. Veryfast giving
>>> more compression as slower and every compression giving more data as
>>> the original.
>>
>> common sense
>>
>> "veryfast" don't optimize quality which in doubt increase size
> 
> Harald,
> You missed the point. Cecil is seeing SMALLER files with ‘veryfast'

exactly what i said:
optimize quality in doubt increase size

>> that compressing uncompressable stuff increase size is pretty normal - try to compress a xz-archive with zip....
> 
> What I think is that the sources have a lof of (compression) noise, and that ‘slower’ is trying to retain as much detailled noise as possible.

exactly what i said:
optimize quality in doubt increase size


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