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FFMPEG - How to add a language tag to a stream without ...
https://stackoverflow.com/questions/71004316/ffmpeg-how-to-add-a-language-tag-to-a-stream-without-changing-anything-else
2 days ago · This is the command I am using: ffmpeg -i input.mkv -metadata:s:v:0 language=eng -codec copy mkv.ext. What I thought this meant, was just to set the language tag = 'eng' to the first video stream (0:0), which it does, but for some reason it also deletes (or omits) the second subtitle stream (0:3) from the output.mkv file so that what I get in ...
Correcting Audio and Video Stream Times : ffmpeg
https://www.reddit.com/r/ffmpeg/comments/smaadg/correcting_audio_and_video_stream_times/
Correcting Audio and Video Stream Times. Hoping someone can shine a little on an ffmpeg command that will help me bulk align my video files. We use a recording applications (SwiftCapture, QuickTime, Mimo etc) across a lot of varieties of hardware (Blackmagic) and OS versions on Macs. We are seeing ever so slight variances of the video files ...
ffmpeg add timestamp problem on streaming
https://www.linuxquestions.org/questions/linux-software-2/ffmpeg-add-timestamp-problem-on-streaming-4175707651-new/
Hi can anyone help to solve it thank run this command ffmpeg -f v4l2 -video_size 1280x720 -i /dev/video3 \ -f alsa -sample_rate 22050 -channels 2 -i ffmpeg add timestamp problem on streaming Download your favorite Linux distribution at LQ ISO .
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
Add audio. ffmpeg -i video.mkv -i audio.mp3 -map 0 -map 1:a -c:v copy -shortest output.mkv The -map option allows you to manually select streams / tracks. See FFmpeg Wiki: Map for more info. This example uses -c:v copy to stream copy (mux) the video. No re-encoding of the video occurs. Quality is preserved and the process is fast.
Add audio to video using FFmpeg - Super User
https://superuser.com/questions/590201/add-audio-to-video-using-ffmpeg
This means that the process will be fast and the quality will be the same. But when adding, say, WAV audio to an existing video file, it'd be better to compress that audio first. For example: 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 - Adding audio stream to existing MKV file (which ...
https://video.stackexchange.com/questions/29277/ffmpeg-adding-audio-stream-to-existing-mkv-file-which-includes-an-audio-strea
This is the command I am using: ffmpeg -i input1.mkv -i input2.mp3 -map 0 -map 1 -c copy output.mkv. This appears to work fine, but when I play the resulting output video, and select the new audio stream, it sounds all squeaky (bit like Mickey Mouse on steroids).
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