GreyScale - Revision history

Reel.Deal at 04:31, 18 September 2022

2022-09-18T04:31:32Z

← Older revision		Revision as of 06:31, 18 September 2022
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	Up-to-date documentation: [https://avisynthplus.readthedocs.io/en/latest/avisynthdoc/corefilters/greyscale.html https://avisynthplus.readthedocs.io]		Up-to-date documentation: [https://avisynthplus.readthedocs.io/en/latest/avisynthdoc/corefilters/greyscale.html https://avisynthplus.readthedocs.io]
	</div>		</div>


	Converts the input clip to greyscale (no color), without changing the [[Convert\|color format]].		Converts the input clip to greyscale (no color), without changing the [[Convert\|color format]].

Reel.Deal: add link to avs+ documentation

2022-09-16T18:19:14Z

add link to avs+ documentation

← Older revision		Revision as of 20:19, 16 September 2022
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			<div {{BlueBox2\|40\|0\|3px solid purple}} >
			{{AvsPlusFullname}}<br>
			Up-to-date documentation: [https://avisynthplus.readthedocs.io/en/latest/avisynthdoc/corefilters/greyscale.html https://avisynthplus.readthedocs.io]
			</div>

	Converts the input clip to greyscale (no color), without changing the [[Convert\|color format]].		Converts the input clip to greyscale (no color), without changing the [[Convert\|color format]].

Raffriff42: Use Template:D

2017-04-28T20:27:42Z

Use Template:D

← Older revision		Revision as of 22:27, 28 April 2017
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	If {{FuncArg\|clip}} is [[YUV]], the chroma channels are simply set to grey (128~~<sub>8</sub>~~) – {{FuncArg\|matrix}} is not used '''and must not''' be specified otherwise an error will be thrown.		If {{FuncArg\|clip}} is [[YUV]], the chroma channels are simply set to grey (128{{D}}) – {{FuncArg\|matrix}} is not used '''and must not''' be specified otherwise an error will be thrown.

	See [[Color conversions]] for an explanation of the coefficients. Broadly speaking though,		See [[Color conversions]] for an explanation of the coefficients. Broadly speaking though,
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	:*using ''Average'', '''blue''' contributes more.		:*using ''Average'', '''blue''' contributes more.

	In all cases, Luma range is not changed (0-255~~<sub>8</sub>~~ in → 0-255~~<sub>8</sub>~~ out; 16-235~~<sub>8</sub>~~ in → 16-235~~<sub>8</sub>~~ out)		In all cases, Luma range is not changed (0{{D}}-255{{D}} in → 0{{D}}-255{{D}} out; 16{{D}}-235{{D}} in → 16{{D}}-235{{D}} out)

	[[Category:Internal filters]]		[[Category:Internal filters]]
	[[Category:Levels_and_Chroma_filters]]		[[Category:Levels_and_Chroma_filters]]

Raffriff42: note AVS+ differences

2017-04-24T21:12:23Z

note AVS+ differences

← Older revision		Revision as of 23:12, 24 April 2017
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	::In RGB based formats, the conversion produces the luma using the coefficients given in the matrix parameter.		::In RGB based formats, the conversion produces the luma using the coefficients given in the matrix parameter.
	::*"Rec601" : Use Rec.601 coefficients (and keeping luma range unchanged)		::*"Rec601" : Use Rec.601 coefficients (and keeping luma range unchanged)
	::*"Rec709" : Use Rec.709 coefficients (and keeping luma range unchanged)		::*"Rec709" : Use Rec.709 (HD) coefficients (and keeping luma range unchanged)
			::*"Rec2020" : Use Rec.2020 (UHD) coefficients (and keeping luma range unchanged) {{AvsPluscon}}
	::*"AVERAGE" : Use averaged coefficients (''Y'' = (R + G + B) / 3)		::*"AVERAGE" : Use averaged coefficients (''Y'' = (R + G + B) / 3)


	If {{FuncArg\|clip}} is [[YUV]], the chroma channels are simply set to grey (128) – {{FuncArg\|matrix}} is not used '''and must not''' be specified otherwise an error will be thrown.		If {{FuncArg\|clip}} is [[YUV]], the chroma channels are simply set to grey (128<sub>8</sub>) – {{FuncArg\|matrix}} is not used '''and must not''' be specified otherwise an error will be thrown.

	See [[Color conversions]] for an explanation of the coefficients. Broadly speaking though,		See [[Color conversions]] for an explanation of the coefficients. Broadly speaking though,
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	:*using ''Average'', '''blue''' contributes more.		:*using ''Average'', '''blue''' contributes more.

	In all cases, Luma range is not changed (0-255 in → 0-255 out; 16-235 in → 16-235 out)		In all cases, Luma range is not changed (0-255<sub>8</sub> in → 0-255<sub>8</sub> out; 16-235<sub>8</sub> in → 16-235<sub>8</sub> out)

	[[Category:Internal filters]]		[[Category:Internal filters]]
	[[Category:Levels_and_Chroma_filters]]		[[Category:Levels_and_Chroma_filters]]

Raffriff42: note alternate spelling of filter name

2016-02-17T09:35:21Z

note alternate spelling of filter name

← Older revision		Revision as of 11:35, 17 February 2016
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	Converts the input clip to greyscale (no color), without changing the [[Convert\|color format]].		Converts the input clip to greyscale (no color), without changing the [[Convert\|color format]].

			UK (''Gr'''''e'''''yscale'') and US (''Gr'''''a'''''yscale'') spellings are both allowed.

	{{~~Template:FuncDef~~\|Greyscale(clip ''clip'' [, string ''matrix''])}}
			{{Func2Def
			\|Greyscale(clip ''clip'' [, string ''matrix''])
			\|Grayscale(clip ''clip'' [, string ''matrix''])
			}}

	:{{Par2\|matrix\|string\|"Rec601"}}		:{{Par2\|matrix\|string\|"Rec601"}}

Admin at 22:04, 17 January 2016

2016-01-17T22:04:44Z

← Older revision		Revision as of 00:04, 18 January 2016
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	If {{FuncArg\|clip}} is [[YUV]], the chroma channels are simply set to grey (128) – {{FuncArg\|matrix}} is not used '''and must ~~be empty~~'''.		If {{FuncArg\|clip}} is [[YUV]], the chroma channels are simply set to grey (128) – {{FuncArg\|matrix}} is not used '''and must not''' be specified otherwise an error will be thrown.

	See [[Color conversions]] for an explanation of the coefficients. Broadly speaking though,		See [[Color conversions]] for an explanation of the coefficients. Broadly speaking though,

Admin at 21:59, 17 January 2016

2016-01-17T21:59:35Z

← Older revision		Revision as of 23:59, 17 January 2016
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	Converts the input clip to greyscale (no color), without changing the ~~color~~ [[Convert\|format]].		Converts the input clip to greyscale (no color), without changing the [[Convert\|color format]].

Admin at 21:50, 17 January 2016

2016-01-17T21:50:55Z

← Older revision		Revision as of 23:50, 17 January 2016
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	:{{Par2\|matrix\|string\|"Rec601"}}		:{{Par2\|matrix\|string\|"Rec601"}}
	::~~Controls~~ the ~~colour~~ coefficients ~~used~~ in ~~RGB→greyscale conversion~~.		::In RGB based formats, the conversion produces the luma using the coefficients given in the matrix parameter.
	::*"Rec601" : Use Rec.601 coefficients (and keeping luma range unchanged)		::*"Rec601" : Use Rec.601 coefficients (and keeping luma range unchanged)
	::*"Rec709" : Use Rec.709 coefficients (and keeping luma range unchanged)		::*"Rec709" : Use Rec.709 coefficients (and keeping luma range unchanged)

Admin at 21:47, 17 January 2016

2016-01-17T21:47:49Z

← Older revision		Revision as of 23:47, 17 January 2016
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	:{{Par2\|matrix\|string\|"Rec601"}}		:{{Par2\|matrix\|string\|"Rec601"}}
	::Controls the colour coefficients used in RGB→greyscale conversion.		::Controls the colour coefficients used in RGB→greyscale conversion.
	::*"Rec601" : Use Rec.601 coefficients (~~actually [[Convert#Syntax_and_Parameters\|"PC.601"]] since~~ luma ~~does not change~~)		::*"Rec601" : Use Rec.601 coefficients (and keeping luma range unchanged)
	::*"Rec709" : Use Rec.709 coefficients (~~actually [[Convert#Syntax_and_Parameters\|"PC.709"]] since~~ luma ~~does not change~~)		::*"Rec709" : Use Rec.709 coefficients (and keeping luma range unchanged)
	::*"AVERAGE" : Use averaged coefficients (''Y'' = (R + G + B) / 3)		::*"AVERAGE" : Use averaged coefficients (''Y'' = (R + G + B) / 3)

Raffriff42: Rec601 vs PC.601

2016-01-17T16:10:27Z

Rec601 vs PC.601

← Older revision		Revision as of 18:10, 17 January 2016
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	:{{Par2\|matrix\|string\|"Rec601"}}		:{{Par2\|matrix\|string\|"Rec601"}}
	::Controls the colour coefficients used in RGB→greyscale conversion.		::Controls the colour coefficients used in RGB→greyscale conversion.
	::*"Rec601" : Use Rec.601 coefficients.		::*"Rec601" : Use Rec.601 coefficients (actually [[Convert#Syntax_and_Parameters\|"PC.601"]] since luma does not change)
	::*"Rec709" : Use Rec.709 coefficients.		::*"Rec709" : Use Rec.709 coefficients (actually [[Convert#Syntax_and_Parameters\|"PC.709"]] since luma does not change)
	::*"AVERAGE" : Use averaged coefficients (''Y'' = (R + G + B) / 3).		::*"AVERAGE" : Use averaged coefficients (''Y'' = (R + G + B) / 3)