ср, 8 февр. 2023 г. в 02:11, Anatoly <[email protected]>:
> On Tue, 7 Feb 2023 22:00:35 +0300 > Alexander Gribanov <[email protected]> wrote: > > > Hello! > > > > Here is a downloaded Facebook Livestream video which I'm trying to > > process: > > > https://drive.google.com/file/d/1mVkQbzVSzhOlQbT2mB1J2yvPFV5kl5Dq/view?usp=share_link > > > > I can play it correctly in MPC-HC Media Player Classic, but when I > > try to add this video to Adobe Premiere 2022, there around 3:00:00 > > position audio is about 40 seconds ahead of video... > > > > I tried to remux and re-encode this video using ffmpeg, it showed a > > lot of warnings like this: > > [aac @ 000001c1bfe68e40] env_facs_q 254 is invalid > > > > I tried different options like "-vsync cfr", "-fps_mode drop" and some > > other stuff which I don't remember already, but nothing helped :( In > > MPC-HC it was ok, but in Adobe Premiere still 40-seconds a/v unsync. > > > > I assume that the problem is with timestamps on the audio track. > > > > I would like to make using ffmpeg just a simple cfr video 29.97 fps / > > audio 48kHz without any timestamp gaps and offsets. > > > > Could anybody please help me to understand how to analyze and > > diagnose such problems in such videos to be sure what the exact > > problem is? > > > > Could You please help me find the solution (i.e. options or > > subcommands to ffmpeg). > > > > Thank You very much in advance :) > > Maybe re-encode it with constant framerate using 'framerate' filter? > ffmpeg -i in.mp4 -vf framerate=fps=29.97 -c:a copy -c:v libx264 -b:v > 800k out.mp4 > Hello Anatoly! Thank You very much for the reply, but it didn't help, the problem remains :( Any other ideas? > _______________________________________________ > ffmpeg-user mailing list > [email protected] > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > [email protected] with subject "unsubscribe". > _______________________________________________ ffmpeg-user mailing list [email protected] https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
