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@ -6693,13 +6693,13 @@ Specify a list of drawtext and hue commands in a file. |
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[leave] drawtext reinit 'fontfile=FreeSerif.ttf:text='; |
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[leave] drawtext reinit 'fontfile=FreeSerif.ttf:text='; |
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# desaturate the image in the interval 15-20 |
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# desaturate the image in the interval 15-20 |
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15.0-20.0 [enter] hue reinit s=0, |
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15.0-20.0 [enter] hue s 0, |
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[enter] drawtext reinit 'fontfile=FreeSerif.ttf:text=nocolor', |
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[enter] drawtext reinit 'fontfile=FreeSerif.ttf:text=nocolor', |
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[leave] hue reinit s=1, |
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[leave] hue s 1, |
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[leave] drawtext reinit 'fontfile=FreeSerif.ttf:text=color'; |
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[leave] drawtext reinit 'fontfile=FreeSerif.ttf:text=color'; |
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# apply an exponential saturation fade-out effect, starting from time 25 |
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# apply an exponential saturation fade-out effect, starting from time 25 |
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25 [enter] hue s=exp(t-25) |
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25 [enter] hue s exp(t-25) |
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@end example |
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@end example |
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A filtergraph allowing to read and process the above command list |
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A filtergraph allowing to read and process the above command list |
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