ffmpeg -i "concat:input1|input2" -codec copy output.mkv Use this method with formats that support file-level concatenation $ ffmpeg -f concat -safe 0 -i mylist.txt -c copy output.mp4įor Windows: (echo file 'first file.mp4' & echo file 'second file.mp4' )>list.txtįfmpeg -safe 0 -f concat -i list.txt -c copy output.mp4
Use this method when you want to avoid a re-encode and your format does not support file-level concatenation (most files used by general users do not support file-level concatenation).
ffmpeg -i opening.mkv -i episode.mkv -i ending.mkv \ If you want to avoid the re-encode, you could re-encode just the inputs that don't match so they share the same codec and other parameters, then use the concat demuxer to avoid re-encoding everything. Note that this method performs a re-encode of all inputs.
Use this method if your inputs do not have the same parameters (width, height, etc), or are not the same formats/codecs, or if you want to perform any filtering. FFmpeg has three concatenation methods: 1.
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