[FFmpeg-user] Attempting to record video for download onto an Android tablet, experiencing what I think is encoding issues which mean i can't play the video on Android gallery.

2019-10-06 Thread Nathan Sinclair
Hello, I'm new to this mailing list. I have posted a question on stackoverflow here, outlining more of what is happening with my experiment. https://stackoverflow.com/questions/58262560/how-to-fix-video-in-gallery-from-not-playing-probable-cause-encoding-from-ffmpe Suffice to say, I'm trying

Re: [FFmpeg-user] trimmed audio has wrong duration

2019-10-06 Thread Felix Muster via ffmpeg-user
> What is the point of doing this calculation? I need to trim 1.001 seconds > It’s probably because flac is mostly a stream format, and you’re doing a > stream copy. Re-encoding should fix all of this, it’s relatively inexpensive, > > and it’s lossless after all, but if you really don’t want

Re: [FFmpeg-user] Audio duration difference

2019-10-06 Thread James Darnley
On 2019-10-06 12:38, Felix Muster via ffmpeg-user wrote: > Hello > > > > Can you please explain me this difference: > > > > I have an audio-stream from a blu-ray (23.976 fps). > > When I calculate the duration it should be: 133799/(24000/1001) = > 5580.533292 seconds. > à 01:33:00.70 =

[FFmpeg-user] Audio duration difference

2019-10-06 Thread Felix Muster via ffmpeg-user
Hello Can you please explain me this difference: I have an audio-stream from a blu-ray (23.976 fps). When I calculate the duration it should be: 133799/(24000/1001) = 5580.533292 seconds. When I encode the extracted audio stream it is: _ffmpeg -i _audio2.flac -f null - ffmpeg

Re: [FFmpeg-user] Audio duration difference

2019-10-06 Thread Felix Muster via ffmpeg-user
Now I'm confused From my calculation: Audio length: 5580.7 seconds Video length: 133799/(24000/1001) = 5580.533292 seconds From the container: Audio length: 5580.704 --> that is what ffmpeg tell me when I reencode the stream Video length: 5580.575 --> Adobe Premiere Pro showed me 133799 frames,