[FFmpeg-devel] [PATCH] avfilter: port scaletempo filter from mpv

[Paul B Mahol]

On 12/10/17, Nicolas George <george at nsup.org> wrote:
> Paul B Mahol (2017-12-02):
>> Signed-off-by: Paul B Mahol <onemda at gmail.com>
>> ---
>>  libavfilter/Makefile        |   1 +
>>  libavfilter/af_scaletempo.c | 529
>> ++++++++++++++++++++++++++++++++++++++++++++
>>  libavfilter/allfilters.c    |   1 +
>>  3 files changed, 531 insertions(+)
>>  create mode 100644 libavfilter/af_scaletempo.c
>
> Missing documentation.
>
> Also, how does it compare to atempo?

For increased tempo it have much better quality.
For decreased tempo is have similar quality.

Also it have more options and is more configurable
and have increased range of tempo scaling.