doc: add two similar overlay "side-by-side" examples.

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Clément Bœsch 2012-06-17 13:16:02 +02:00
parent a1aac8d004
commit 20a6fa77a6
1 changed files with 7 additions and 0 deletions

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@ -2367,6 +2367,13 @@ ffmpeg -i input -i logo1 -i logo2 -filter_complex
# add a transparent color layer on top of the main video,
# WxH specifies the size of the main input to the overlay filter
color=red@.3:WxH [over]; [in][over] overlay [out]
# play an original video and a filtered version (here with the deshake filter)
# side by side
ffplay input.avi -vf 'split[a][b]; [a]pad=iw*2:ih[src]; [b]deshake[filt]; [src][filt]overlay=w'
# the previous example is the same as:
ffplay input.avi -vf 'split[b], pad=iw*2[src], [b]deshake, [src]overlay=w'
@end example
You can chain together more overlays but the efficiency of such