![]() (for %i in (*.wav) do file '%i') > mylist.txtįoreach ($i in Get-ChildItem. Either of the following would generate a list file containing every *.wav in the working directory:įor f in *.wav do echo "file '$f'" > mylist.txt done It is possible to generate this list file with a bash for loop, or using printf. The -safe 0 above is not required if the paths are relative. Then you can stream copy or re-encode your files:įfmpeg -f concat -safe 0 -i mylist.txt -c copy output.wav Note that these can be either relative or absolute paths. ![]() All files must have the same streams (same codecs, same time base, etc.) but can be wrapped in different container formats.Ĭreate a file mylist.txt with all the files you want to have concatenated in the following form (lines starting with a # are ignored): This demuxer reads a list of files and other directives from a text file and demuxes them one after the other, as if all their packets had been muxed together. You can read about the concat demuxer in the documentation. ![]() The demuxer is more flexible – it requires the same codecs, but different container formats can be used and it can be used with any container formats, while the protocol only works with a select few containers. There are two methods within ffmpeg that can be used to concatenate files of the same type: If you have media with different codecs you can concatenate them as described in " Concatenation of files with different codecs" below. If you have media files with exactly the same codec and codec parameters you can concatenate them as described in " Concatenation of files with same codecs".
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