Re: [FFmpeg-user] Reading LTC from an audio track?

2019-11-19 Thread Kieran O Leary
On Tue, 19 Nov 2019, 22:21 Harvey Pikelberger, wrote: > I was just looking at it before you wrote. And, all the better, we have > some related arduino projects, so it may be just the thing. > But I haven't yet taken enough time to work out what language it is / how > to implement. It appears to

Re: [FFmpeg-user] Reading LTC from an audio track?

2019-11-19 Thread Harvey Pikelberger
I was just looking at it before you wrote. And, all the better, we have some related arduino projects, so it may be just the thing. But I haven't yet taken enough time to work out what language it is / how to implement. What's x42? Going on your note below -- makes it look very simple to get st

Re: [FFmpeg-user] Reading LTC from an audio track?

2019-11-19 Thread Jim Shupert
So the challenge actually is we don’t know the start TC. In fact that’s really all we need. would this help? https://github.com/x42/ltc-tools https://github.com/x42/libltc/releases ltcdump -f 29.97 dog.mp4 2> /dev/null > dog.ltc.txt ___ ffmpeg-u

Re: [FFmpeg-user] Reading LTC from an audio track?

2019-11-19 Thread Harvey Pikelberger
Thanks Jim, Re: > and you know it starts w tc of 07:00:00:00 So the challenge actually is we don’t know the start TC. In fact that’s really all we need. I’d like to verify the TC all tge way through too, but that’s for QC The essential is just getting interpreting what TC on that (First fame)

Re: [FFmpeg-user] Reading LTC from an audio track?

2019-11-19 Thread Jim Shupert
We're hoping there's something in the world of FFMpeg / FFProbe might be able to help here. On Nov 19, 2019, at 6:56 AM, Harvey Pikelberger wrote: Is there a command to tell FFMpeg to read LTC from a specific audio track? I do not know about that but would it help if you made a sec

Re: [FFmpeg-user] Reading LTC from an audio track?

2019-11-19 Thread Harvey Pikelberger
Updating this question: is FFProbe able to read and report LTC recorded onto a specific audio track? What we've got are MP4 production files, some from A-Cam, some from B-Cam, each with TC, but which were not (or could not) be jam synced. So to create sync the production crew used an external TC

[FFmpeg-user] Reading LTC from an audio track?

2019-11-19 Thread Harvey Pikelberger
Is there a command to tell FFMpeg to read LTC from a specific audio track? ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with