Re: [FFmpeg-user] taking audio and video inputs from different devices

2015-07-28 Thread Carl Eugen Hoyos
Ricardo Kleemann americasnet.com> writes: > ffmpeg -f avfoundation -i "none:1" -f decklink -i You could try to move -vsync 0 in front of the first input. If this does not help, it may be possible to insert the setpts filter to make the timestamp of the first frame "0" (so it matches the aud

Re: [FFmpeg-user] taking audio and video inputs from different devices

2015-07-26 Thread Ricardo Kleemann
Hi Carl, > On Jul 26, 2015, at 9:57 AM, Carl Eugen Hoyos wrote: > > Ricardo Kleemann americasnet.com> writes: > >>> Does it work if you only record audio? >>> >> >> I’m not sure where the crazy start time comes from, >> but yes, the audio works fine if done separately. > > Does -vsync 0 he

Re: [FFmpeg-user] taking audio and video inputs from different devices

2015-07-26 Thread Carl Eugen Hoyos
Ricardo Kleemann americasnet.com> writes: > > Does it work if you only record audio? > > > > I’m not sure where the crazy start time comes from, > but yes, the audio works fine if done separately. Does -vsync 0 help? Did you explain which hardware device this is? Carl Eugen

Re: [FFmpeg-user] taking audio and video inputs from different devices

2015-07-26 Thread Ricardo Kleemann
> On Jul 26, 2015, at 3:28 AM, Carl Eugen Hoyos wrote: > > Ricardo Kleemann americasnet.com> writes: > >> Input #0, avfoundation, from 'none:1': >> Duration: N/A, start: 28853.224036 > >> Input #1, decklink, from 'UltraStudio Mini Recorder 9': >> Duration: N/A, start: 0.00 > > The dif

Re: [FFmpeg-user] taking audio and video inputs from different devices

2015-07-26 Thread Carl Eugen Hoyos
Ricardo Kleemann americasnet.com> writes: > Input #0, avfoundation, from 'none:1': > Duration: N/A, start: 28853.224036 > Input #1, decklink, from 'UltraStudio Mini Recorder 9': > Duration: N/A, start: 0.00 The different start times are an issue. Does it work if you only record audio?