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Diffstat (limited to 'doc/filters.texi')
| -rw-r--r-- | doc/filters.texi | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/doc/filters.texi b/doc/filters.texi index c6bcf0bdcd..1f3522e08d 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -189,6 +189,23 @@ Example: merge two mono files into a stereo stream: amovie=left.wav [l] ; amovie=right.mp3 [r] ; [l] [r] amerge @end example +If you need to do multiple merges (for instance multiple mono audio streams in +a single video media), you can do: +@example +ffmpeg -f lavfi -i " +amovie=input.mkv:si=0 [a0]; +amovie=input.mkv:si=1 [a1]; +amovie=input.mkv:si=2 [a2]; +amovie=input.mkv:si=3 [a3]; +amovie=input.mkv:si=4 [a4]; +amovie=input.mkv:si=5 [a5]; +[a0][a1] amerge [x0]; +[x0][a2] amerge [x1]; +[x1][a3] amerge [x2]; +[x2][a4] amerge [x3]; +[x3][a5] amerge" -c:a pcm_s16le output.mkv +@end example + @section anull Pass the audio source unchanged to the output. |