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• FFMPEG Audio, video out of sync

  5 mars 2012, par geeknizer

  I'm creating Video using FFMPEG from pngs. The problem is on creating the video, and combining with video, its never in sync.

  Create video :

  ffmpeg -i /home/ubuntu/pngs/* -vcodec libvpx -r 25 -b 1024k -y video.avi

  generate audio

  ffmpeg -y -f s16le -ar 44100 -ac 2 -i wav_file.wav -acodec libvorbis video.avi

  these snapshots were taken at 25fps from a video. Audio is also extracted from same source.

• avconv : saner output video timebase.

  7 février 2012, par Anton Khirnov

  avconv : saner output video timebase.

• ffmpeg add frame to video

  26 février 2012, par Emil Avramov

  guys !

  I want to ask you if somebody knows how can I attach a frame to the end of a video with ffmpeg. I have a video output.avi and I want to add frames on every 200ms using ffmpeg. I have the script to download the images, but how to add them to the video one by one.

  Thanks in advance.