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			@@ -34,18 +34,11 @@ do_lavfi() { | 
		
		
	
		
			
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			    do_lavfi_plain $1 "$2" | 
		
		
	
		
			
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			} | 
		
		
	
		
			
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			do_lavfi_colormatrix() { | 
		
		
	
		
			
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			    do_lavfi "${1}1" "$1=$4:$5,$1=$5:$3,$1=$3:$4,$1=$4:$3,$1=$3:$5,$1=$5:$2" | 
		
		
	
		
			
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			    do_lavfi "${1}2" "$1=$2:$3,$1=$3:$2,$1=$2:$4,$1=$4:$2,$1=$2:$5,$1=$5:$4" | 
		
		
	
		
			
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			} | 
		
		
	
		
			
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			do_lavfi_plain "alphamerge_rgb"     "[in]format=bgra,split,alphamerge[out]" | 
		
		
	
		
			
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			do_lavfi_plain "alphamerge_yuv"     "[in]format=yuv420p,split,alphamerge[out]" | 
		
		
	
		
			
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			do_lavfi_plain "alphaextract_rgb"   "[in]format=bgra,split,alphamerge,split[o3][o4];[o4]alphaextract[alpha];[o3][alpha]alphamerge[out]" | 
		
		
	
		
			
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			do_lavfi_plain "alphaextract_yuv"   "[in]format=yuv420p,split,alphamerge,split[o3][o4];[o4]alphaextract[alpha];[o3][alpha]alphamerge[out]" | 
		
		
	
		
			
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			do_lavfi_colormatrix "colormatrix" bt709 fcc bt601 smpte240m | 
		
		
	
		
			
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			do_lavfi_pixfmts(){ | 
		
		
	
		
			
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			    testname=$1; | 
		
		
	
		
			
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			    test ${test%_[bl]e} = $testname || return 0 | 
		
		
	
	
		
			
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