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sws: do not reallocate scratch buffers for each slice

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This commit is contained in:
Anton Khirnov 2021-05-19 14:45:34 +02:00
parent 2730639259
commit 0f8e0957d2
3 changed files with 27 additions and 8 deletions
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12
libswscale/swscale_internal.h
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@ -626,6 +626,18 @@ typedef struct SwsContext {
SwsDither dither;
SwsAlphaBlend alphablend;
// scratch buffer for converting packed rgb0 sources
// filled with a copy of the input frame + fully opaque alpha,
// then passed as input to further conversion
uint8_t *rgb0_scratch;
unsigned int rgb0_scratch_allocated;
// scratch buffer for converting XYZ sources
// filled with the input converted to rgb48
// then passed as input to further conversion
uint8_t *xyz_scratch;
unsigned int xyz_scratch_allocated;
} SwsContext;
//FIXME check init (where 0)