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Add audio to video using FFmpeg - Super User
https://superuser.com/questions/590201/add-audio-to-video-using-ffmpeg
ffmpeg -i input.mp4 -i input.wav -c:v copy -map 0:v:0 -map 1:a:0 -c:a aac -b:a 192k output.mp4 Here, we only copy the video stream ( -c:v copy ), and re-encode the audio stream with the ffmpeg built-in AAC encoder ( -c:a aac ) at 192 kBit/s.
How to add a new audio (not mixing) into a video using …
https://stackoverflow.com/questions/11779490/how-to-add-a-new-audio-not-mixing-into-a-video-using-ffmpeg
Code to add audio to video using ffmpeg. If audio length is greater than video length it will cut the audio to video length. If you want full audio in video remove -shortest from the cmd. String[] cmd = new String[]{"-i", selectedVideoPath,"-i",audiopath,"-map","1:a","-map","0:v","-codec","copy", ,outputFile.getPath()};
How to add multiple audio tracks to a single video using ...
https://medium.com/av-transcode/how-to-add-multiple-audio-tracks-to-a-single-video-using-ffmpeg-open-source-tool-27bff8cca30
The below command will convert single Video file captain-marvel-trailer.mp4 to multiple language audio tracks (English, Tamil, Telugu & Hindi) multilanguage.mp4 file. FFmpeg expects the language ...
FFMPEG: How to add audio to video - JSON2Video
https://json2video.com/how-to/ffmpeg/ffmpeg-add-audio-to-video.html
Add a silent audio stream to video. If we have a video file with only a video stream, or a with a soundtrack but we need to just include an empty audio track, we can do this: ffmpeg \ -i video1.mp4 -f lavfi -i anullsrc \ -c:v copy \ -shortest \ -map 0:v -map 1:a \ -y output.mp4.
Add multiple mp3 files to an mp4 file with ffmpeg - Video ...
https://video.stackexchange.com/questions/25195/add-multiple-mp3-files-to-an-mp4-file-with-ffmpeg
Use. -i /path/to/mp4File -i /path/to/soundmp3File1 -i path/to/soundmp3File2 -map 0 -map 1:a -map 2:a -codec copy -shortest path/to/output/fileWithSounds. FFmpeg will automatically select one video and one audio stream from among all the inputs. -map options are required to include all streams. Share.
ffmpeg: add audio track to a mp4 - VideoHelp Forum
https://forum.videohelp.com/threads/366888-ffmpeg-add-audio-track-to-a-mp4
you need to use -map. Code: ffmpeg.exe -i source.mp4 -i audiotrack.wav -map 0:0 -map 1:0 -c:v copy -c:a ac3 -b:a 256k -aspect 16:9 output.mp4. Quote. 2nd Sep 2014 10:28 #3.
using ffmpeg to extract audio from video files · GitHub
https://gist.github.com/jeffersonvventura/cff5b855d10a7159eb5f587cc8d1e279
using ffmpeg to extract audio from video files. GitHub Gist: instantly share code, notes, and snippets.
mp4 - Use ffmpeg to add text subtitles - Stack Overflow
https://stackoverflow.com/questions/8672809/use-ffmpeg-to-add-text-subtitles
If your ffmpeg has libass enabled at compile time, you can directly do: ffmpeg -i mymovie.mp4 -vf subtitles=subtitles.srt mysubtitledmovie.mp4 This is the case e.g. for Ubuntu 20.10, you can check if ffmpeg --version has --enable-libass.
ffmpeg - image + audio = mp4: how to make video smaller ...
https://askubuntu.com/questions/868283/image-audio-mp4-how-to-make-video-smaller
I'm using ffmpeg to add a JPG to an MP4 to make an MP4. As there is only one image to make the video I'm wondering if there is a way to reduce the video size? Command: $ ffmpeg -loop 1 -i image.jpg -i audio.mp3 -shortest -c:a copy output.mp4 Results: image.jpg = 26.7K (image not so clear) audio.mp3 = 64.6M (54 minutes)
adding silent audio in ffmpeg - Stack Overflow
https://stackoverflow.com/questions/12368151/adding-silent-audio-in-ffmpeg
anullsrc audio filter. You can use ffmpeg to create the silent audio and combine it with a video in one step. This example will use the anullsrc audio filter to generate stereo silent audio with a sample rate of 44100: ffmpeg -f lavfi -i anullsrc=channel_layout=stereo:sample_rate=44100 -i video.mov -c:v copy -c:a aac -shortest …
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