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  • How to merge audio and video file in ffmpeg - Super User
    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
  • How to combine audio and video using FFmpeg and sync them?
    ffmpeg -f concat -i video txt -f concat -i audio txt -map 0:v -map 1:a -c copy -shortest output flv Make sure all inputs have the same attributes before concatenating If they vary then it may fail or have undesirable results, and you'll need to pre-process them using various filters before concatenating, or see below
  • How to combine audio and video into one file with ffmpeg from the . . .
    Nope, it's right time-stamps, just to cut logo of sample clip video and convenient to track sound file place I guess topic starter is smart enough to adjust timestamps cineCutter is video manipulation program for rapid video cutting, encoding decoding based on ffmpeg For now it's not available for public, but it is planned as free application
  • How to merge audio and video files with FFmpeg? - Super User
    But from ffmpeg's point of view, video stream have higher priority than audio, so it selected the image art (marked as video) from your MP3 file To select the audio stream first from the second file, try -i file_0 -i file_1 -map 0:0 -map 1:0 and then your other options This will also work for MP3 files without image art (second stream)
  • How to merge live video and audio streams - Super User
    The resulting video saves and plays with no problems I want to add audio while the bitmaps are streaming, so I tested grabbing audio alone like this: proc StartInfo Arguments = "-rtbufsize 1500M -f dshow -i audio=" + '"' + "Stereo Mix (Realtek High Defini" + '"' + " -acodec pcm_s16le -ac 2 -ar 48000 C:\\test wav"; The audio saves and plays well
  • How to merge video and audio files without loosing original . . .
    I have video mp4 only file, and audio m4a file I need to merge them both, and I need the output to be the same video without creating new resolution or modifing caracteristics OS: windows 10 Thank you
  • How to merge audio and video streams with different lengths trimming . . .
    As per this solution, Merging video and audio, with audio re-encoding, I try to merge them using this command: ffmpeg -i 1 mp4 -i 2 mp3 -c:v copy -c:a aac output mp4 1 mp4 has a shorter length than 2 mp3, so I want the audio to cut off at the end of the video clip The result file output mp4 has no sound
  • ffmpeg - How to remux combine two MP4 files losslessly: One has video I . . .
    They both have the exact same frame count One is 1080p with no sound, the other is 720p with sound I’d like to permanently combine the two So the result will be a 1080p MP4 video that has sound And I’d like to do it losslessly, both for video and audio, sort of a 1:1 transfer Preferably using FFmpeg Any help is hugely appreciated
  • A command to merge video and audio file using ffmpeg and remove the . . .
    I want to merge audio and video using ffmpeg I use following command but it keeps the input (source) files while I want to delete them after they were merged I want to see if there is a command for that or not! ffmpeg -i "a avi" -i "a wav" -y -acodec copy -vcodec copy "b avi"
  • How to manually select video and audio format while using youtube-dl . . .
    If I like to choose -f 248 for video and -f 171 for audio, how should I do it? I remember there is a single line command that can merge manually selected audio and video after downloading





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