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avfilter/drawutils: add ff_draw_init_from_link()

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The overwhelming majority of references to ff_draw_init2() just set the
colorspace properties from a filter link. This wrapper allows us to update
all such referencen automatically.
This commit is contained in:
Niklas Haas
2025-08-13 15:39:16 +02:00
parent d05484757a
commit eddbdc8b7c
2 changed files with 13 additions and 0 deletions
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6
libavfilter/drawutils.c
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@@ -164,6 +164,12 @@ int ff_draw_init2(FFDrawContext *draw, enum AVPixelFormat format, enum AVColorSp
return 0;
}
int ff_draw_init_from_link(FFDrawContext *draw, const AVFilterLink *link,
unsigned flags)
{
return ff_draw_init2(draw, link->format, link->colorspace, link->color_range, flags);
}
int ff_draw_init(FFDrawContext *draw, enum AVPixelFormat format, unsigned flags)
{
return ff_draw_init2(draw, format, AVCOL_SPC_UNSPECIFIED, AVCOL_RANGE_UNSPECIFIED, flags);

7
libavfilter/drawutils.h
View File

@@ -80,6 +80,13 @@ typedef struct FFDrawColor {
int ff_draw_init2(FFDrawContext *draw, enum AVPixelFormat format, enum AVColorSpace csp,
enum AVColorRange range, unsigned flags);
/**
* Init a draw context, taking the format, colorspace and range from the given
* filter link.
*/
int ff_draw_init_from_link(FFDrawContext *draw, const AVFilterLink *link,
unsigned flags);
/*
* Legacy wrapper for ff_draw_init2.
*/