methas.blogg.se - Ffmpeg concat videos example

Output #0, swf, to 'Anchor_and_Spider_Man.swf': i Anchor_Great_Escape.swf -i Spider_Man.swf Now I am ready to merge two SWF video files into a longer video file:

The following illustration may help to understand the above command: "output_file" specifies the output file."-map " forces stream labeled as go to the output file." " defines link labels for 2 streams coming out of the "concat" filter."a=1" specifies 1 audio stream in each segment.

"n=2" specifies 2 segments of input streams "v=1" specifies 1 video stream in each segment

"concat=n=2:v=1:a=1" specifies the "concat" filter and its arguments:.

"" refers to the first (index 0:) input fileĪnd the second (index :1) stream, and so on. To concatenate 2 segments of input streams.

The "conact" filter is used in the "-filter_complex" option.

Two input files are specified: "-i input_1" and "-i input_2".

What about merging multiple shorter video files into a single video file?Ĭ:\herong>\local\ffmpeg\bin\ffmpeg -i input_1 -i input_2

This section provides a tutorial example on how to concatenate two short video files into a longer video file with 'ffmpeg' using '-complex_filter' option and 'concat' filter. Flash Tutorials - Herong's Tutorial Examples