ffconcat version 1.0 stream 0 exact_stream_id 257 stream_meta dummy 'this is stream 0' stream 1 exact_stream_id 256 stream_meta dummy 'this is stream 1' file %SRCFILE% file %SRCFILE% duration 0.5 file %SRCFILE% inpoint 00:02.20 file %SRCFILE% inpoint 00:01.80 outpoint 00:02.00