[FFmpeg-user] [FFmpeg-devel]Video filter "setpts" works very slow on Android

[Carl Eugen Hoyos]

2016-08-19 14:48 GMT+02:00 Moritz Barsnick <barsnick at gmx.net>:
> On Fri, Aug 19, 2016 at 12:31:49 +0200, Peter White wrote:
>> is the wrong approach. I don't know if ffmpeg is capable of just writing
>> different PTS without re-encoding the file. I reckon it is not. But as
>
> That I would also like to know. I.e. whether, at least theoretically,
> an input stream can be output with only changed timestamps.

This is what the input option "-r" is supposed to do but I
am not convinced it always works as intended (and I
suspect there are cases when it cannot work).

Carl Eugen