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I need a free software with which I can mux a MP4 video ...
https://forum.videohelp.com/threads/390699-I-need-a-free-software-with-which-I-can-mux-a-MP4-video-with-a-MP3-audio#:~:text=ffmpeg%20primarily%20does%20transcoding%2C%20however%20you%20can%20input,mp4box%20also%20does%20it%20%28that%27s%20it%27s%20main%20job%29
FFMPEG mux video and audio (from another video) - …
https://stackoverflow.com/questions/12938581/ffmpeg-mux-video-and-audio-from-another-video-mapping-issue
I have a new command for merging audio to video . ffmpeg -i video.mp4 -i audio.mp4 -map 0.0 -map 1.0 -acodec copy -qscale 4 -vcodec mpeg4 outvideo.mp4 -qscale is option set quality to video of ffmpeg-acodec copy is option copy default quality of audio to output video-vcodec mpeg4 is option copy default quality of video to output video
ffmpeg - mux video and audio and trim the audio - Stack ...
https://stackoverflow.com/questions/41247543/ffmpeg-mux-video-and-audio-and-trim-the-audio
This answer is not useful. Show activity on this post. You can try to cut audio by video timing, and then marge video and audio track. Use -vn and -an in separate ffmpeg process. ffmpeg -i video.mp4 -c:v h264 -an -y video.h264 ffmpeg -i video.mp4 -c:a aac -t 00:01:00 -vn -y audio.aac. And for marge tracks:
FFmpeg to the Rescue: Muxing Audio and Video Files ...
https://streaminglearningcenter.com/learning/ffmpeg-to-the-rescue-muxing-audio-and-video-files.html
Mux the H.264-encoded video and newly AAC-encoded audio into a single file; I tried the following command string which worked the first time. ffmpeg -i video.mp4 -i audio.mp3 -c:v copy -c:a aac muxed.mp4. To explain, after designating the two input files, the script copies the existing video file as-is (c:v copy), converts the MP3 audio to aac ...
FFmpeg Mux Video and Audio from Two Videos - 2020
https://www.bogotobogo.com/FFMpeg/ffmpeg_mux_video_audio_from_two_videos.php
Suppose we want to mux one video file which has video (valid) and audio (not needed) with another audio file which has desirable audio. We can just follow the logic of the previous section, and the command for concatenation looks like this: $ ffmpeg -i SF.mp4 -i Two_BeSureToWearFlowersInYourHair.mp3 -c copy -map 0:0 -map 1:0 -shortest ...
How to merge audio and video file in ffmpeg - Super User
https://superuser.com/questions/277642/how-to-merge-audio-and-video-file-in-ffmpeg
If your audio or video stream is longer, you can add the -shortest option so that ffmpeg will stop encoding once one file ends. Copying the audio without re-encoding. If your output container can handle (almost) any codec – like MKV – then you can simply copy both audio and video streams: ffmpeg -i video.mp4 -i audio.wav -c copy output.mkv
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