On 1/17/16, Sam Logan <shapablel...@gmail.com> wrote: > I have a video AVI file, "Video.avi", consisting of a video and an audio > track, and a separate audio file, "Audio.mp3". I want to do the following > two things: > > (1) > > First, I want to produce a version of the video, "OutputSilenced.avi", > which would be identical to the original video except that the first 90 > seconds of the video's audio are replaced with silence (to clarify, I want > to REPLACE, as in overwrite, the first 90 seconds, NOT insert 90 seconds of > silence to push the audio back 90 seconds). > > (2) > > Second, I want to produce a version of the video, "OutputReplaced.avi", > which would be identical to the original video except that the first 90 > seconds of the video's audio are replaced with the first 90 seconds of > "Audio.mp3" (again, to be clear, I want to REPLACE, as in overwrite, the > first 90 seconds, NOT insert 90 seconds of audio to push the original audio > back 90 seconds). > > How commands would I use to do this with FFmpeg? Ideally, I would like to > just remux without doing any re-encoding. Thanks in advance.
With trimming original video's audio and using concat demuxer to insert silence/audio. So, some combination of trimming and concat demuxer. _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user