Re: [FFmpeg-user] Need help understanding framerate conversion!

2017-01-13 Thread Matthias, Thomas
This worked! Thank you very much. On 1/13/17, 8:15 AM, "ffmpeg-user on behalf of Carles Vila" wrote: The reason that the resulting video is longer is simple: it plays slower! which is what you want (pull-down) By default, ffmpeg does nothing to the audio, so you must stretch i

Re: [FFmpeg-user] Need help understanding framerate conversion!

2017-01-13 Thread Carles Vila
The reason that the resulting video is longer is simple: it plays slower! which is what you want (pull-down) By default, ffmpeg does nothing to the audio, so you must stretch it. The most simple solution is to resample it. Try this command line below: the -r before the input tells ffmpeg to interp

Re: [FFmpeg-user] Need help understanding framerate conversion!

2017-01-13 Thread Andy Furniss
Matthias, Thomas wrote: Hi All, I need to mux and then framerate convert a rawvideo .mov file, and a PCM 16bit 48Khz wav file. For example, a .mov file is exactly 10 seconds long, and a .wav file is also exactly 10 seconds. The initial .mov file is a 30 frames-per-second, but after muxing

Re: [FFmpeg-user] Need help understanding framerate conversion!

2017-01-13 Thread Moritz Barsnick
On Fri, Jan 13, 2017 at 02:54:33 +, Matthias, Thomas wrote: > I’m clearly missing something here, but I have no idea why the audio > track would end up shorter (in the 10s example, it’s about 9.98 > seconds after), and the video longer (about 10.06). Thanks! (You should usually show us your co