Ffmpeg map all streams2/21/2023 ![]() This is a solution when you copy mkv to mp4 and want to choose audio streams: This is a simple answer for people like me, who like simple working explanations. Because it's the second map option, it is mapped to the second stream in our output. Then we write a second map option: -map 0:2, which refers to the third stream of our input. Then we write a first map option: -map 0:0, which refers to the first stream of our input (tears_of_steel.mkv), which might be a video stream, but that doesn't matter.īecause it's the first map option, it will be mapped to the first stream in our output file (tears_of_steel-v2.mkv). ![]() ![]() In the command, we have only one input: tears_of_steel.mkv. Imagine the following command: ffmpeg -i tears_of_steel.mkv -map 0:0 -map 0:2 -map 0:1 -map 0:4 -map 0:3 -c copy tears_of_steel-v2.mkvĪnd here is how ffmpeg does the mapping: Stream mapping: ![]() This was the example that allowed me to understand. ![]()
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