Re: [FFmpeg-user] framerate conversion with sync audio

2016-10-13 Thread Carles Vila
> > > How can I apply the same filter to all audio streams? > > You use -filter_complex instead of -vf and -af > > -filter_complex > [0:0]setpts=PTS*0.8[v];[0:1]asetrate,aresample[a0];[0:2] > asetrate,aresample[a1] > and then -map [v] -map [a0] -map [a1] > (untested) > After a couple of attempts,

Re: [FFmpeg-user] framerate conversion with sync audio

2016-10-12 Thread Steve Boyer
On Tue, Oct 11, 2016 at 5:00 PM, Steve Boyer wrote: > > > Have you tried experimenting with the audio filter "atempo"? I'm guessing > here, but try: > > ffmpeg -i ... -af atempo=0.96 > > (24/25 = 0.96) > > Wow, I messed that one up completely. Incorporating Carl's

Re: [FFmpeg-user] framerate conversion with sync audio

2016-10-12 Thread Carl Eugen Hoyos
2016-10-11 23:25 GMT+02:00 Carles Vila : > Hi, I'm trying to perform framerate conversion of a video, from 24fps to > 25fps to be precise. > The source is mov, ProRes with multichannel audio at 48kHz. > It is mandatory for my application to preserve the integrity of all frames,

Re: [FFmpeg-user] framerate conversion with sync audio

2016-10-11 Thread Steve Boyer
On Tue, Oct 11, 2016 at 4:25 PM, Carles Vila wrote: > Hi, I'm trying to perform framerate conversion of a video, from 24fps to > 25fps to be precise. > The source is mov, ProRes with multichannel audio at 48kHz. > It is mandatory for my application to preserve the integrity of

[FFmpeg-user] framerate conversion with sync audio

2016-10-11 Thread Carles Vila
Hi, I'm trying to perform framerate conversion of a video, from 24fps to 25fps to be precise. The source is mov, ProRes with multichannel audio at 48kHz. It is mandatory for my application to preserve the integrity of all frames, i.e. no frame-interpolation or duplication should occur. In other