[FFmpeg-user] Compression is a lot smaller

Cecil Westerhof Cecil at decebal.nl
Sat Aug 15 17:25:41 EEST 2020

Simon Roberts <simon at dancingcloudservices.com> writes:

> On Sat, Aug 15, 2020 at 5:01 AM Cecil Westerhof <Cecil at decebal.nl> wrote:
>> Through scripts I use ffmpeg for cutting and compressing videos and
>> sometimes adding a watermark. Nothing fancy, but handy.
>> In the past the original file was between 4 to 13 times bigger as the
>> compressed file. Today I compressed a few files again. The compression
>> was almost non existing to less as three.
> [...]
> What could be happening here?
> The most immediate thought is that zoom improved their compression
> algorithm and now there's not so much room left for a secondary
> improvement.
> You might want to take a look at the original, perhaps using ffprobe, to
> determine what codec was used, and what bitrate it started out with.

No, that is not the case. These where videos I shot with my Sony
handycam. So uncompressed files.
But maybe I should have described it a bit clearer.

But there is nothing inherently wrong with the way I call ffmpeg?

Cecil Westerhof
Senior Software Engineer
LinkedIn: http://www.linkedin.com/in/cecilwesterhof

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