Remuxing with MP4Box, audio video out of sync

[danman33]

should I update or compile my own?

[flemur13013]

If all else fails, "avidemux" can either (assuming the formats are OK):
- take your audio and video (separate) files and make your output file.
- take your original file and convert it.
In either case it has an audio time shift that you can preview and fiddle with until it's right (use the value under "filters", the main GUI setting doesn't always take).

[ron999]

should I update or compile my own?

Hi
Try this one first ---> http://ffmpeg.gusari.org/static/


With this command:-

./ffmpeg -i R.mkv -vcodec copy -acodec libvo_aacenc -ab 192k -ar 48000 -ac 2 output.mp4

[danman33]

I compiled the latest ffmpeg and it gives me the same output, i also tried the static release, same problem. I think I'll give avidemux a shot.

[beandog]

okay

ffmpeg -i input.mkv -c:v copy -ab 256k output.mp4

didnt even work. I tried

ffmpeg -i input.mkv -vcodec cpoy -acodec libfaac -ab 256k output.mp4

and I get this output.
[mp4 @ 0x86dd940] Application provided invalid, non monotonically increasing dts to muxer in stream 0: -83 >= -83
av_interleaved_write_frame(): Invalid argument
Any ideas as to what I'm doing wrong?

Typo? Should be 'copy'

Also, you don't need to set acodec, it'll default to AAC, and in fact it might be using the wrong AAC encoder (there are a few, iirc).