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aac - Multiple audio tracks from one source in ffmpeg ...
https://stackoverflow.com/questions/47971401/multiple-audio-tracks-from-one-source-in-ffmpeg#:~:text=Go%20with%20the%20-map%20option%20to%20ffmpeg.%20Suppose,stream%20and%20two%20audio%20streams%20in%20the%20output%3A
ffmpeg add two audio streams to video - Super User
https://superuser.com/questions/508331/ffmpeg-add-two-audio-streams-to-video
ffmpeg -i /sdcard/video/transcode/video.avi -map 0:0,0 -i /sdcard/video/transcode/first.mp3 -map 1:0,1 -i /sdcard/video/transcode/second.mp3 -map 2:0,2 -acodec copy -vcodec py /sdcard/video/transcode/Output.avi. to add two audio streams to one video file. But ffmpeg says the number of mappings should match the number of output streams.
FFMPEG convert video with multiple audio streams?
https://video.stackexchange.com/questions/12051/ffmpeg-convert-video-with-multiple-audio-streams
If stream mapping is showing both audio tracks are present in the output file, then you should be able to select which track to play in the video player. By default, the best or first supported audio will play. If you want both audio tracks to play ("mux them together so they both play"), then mix the audio into one track.
ffmpeg Merge two Audio Streams into one · GitHub
https://gist.github.com/LukasKnuth/4d7ee6812ccb221b2775e984516b56d4
Fork 1. Star. ffmpeg Merge two Audio Streams into one. Raw. Readme.md. This script takes a single input file and. Reduces the volume of the third audio-track in the file by half. Writes the reduced volume track into l. Mixes both the second audio-track and the lowered l -track together and stores them into a.
ffmpeg: combine two mono live audio stream to single ...
https://stackoverflow.com/questions/24164125/ffmpeg-combine-two-mono-live-audio-stream-to-single-stereo-stream
Now I want these two streams to merge in one stream and output to single new stream. I am merging two input streams with following command: ffmpeg -i rtmp://myIp:1935/live/stream1 -i rtmp://myIp:1935/live/stream2 -codec:a aac -strict -2 -filter_complex "[0:a][1:a]amerge" -f flv rtmp://myIp:1935/live/myStream The above command …
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