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[primitives,yuv] local export RGB2Y and YUV2R

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akallabeth
2025-01-05 16:08:02 +01:00
parent 7e4d13374e
commit 41f06bec5f
2 changed files with 23 additions and 23 deletions
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23
libfreerdp/primitives/prim_YUV.c
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@@ -616,29 +616,6 @@ static pstatus_t general_YUV420ToRGB_8u_P3AC4R(const BYTE* WINPR_RESTRICT pSrc[3
return PRIMITIVES_SUCCESS;
}
/**
* | Y | ( | 54 183 18 | | R | ) | 0 |
* | U | = ( | -29 -99 128 | | G | ) >> 8 + | 128 |
* | V | ( | 128 -116 -12 | | B | ) | 128 |
*/
static INLINE BYTE RGB2Y(INT32 R, INT32 G, INT32 B)
{
const INT32 val = ((54 * R + 183 * G + 18 * B) >> 8);
return WINPR_ASSERTING_INT_CAST(BYTE, val);
}
static INLINE BYTE RGB2U(INT32 R, INT32 G, INT32 B)
{
const INT32 val = (((-29 * R - 99 * G + 128 * B) >> 8) + 128);
return WINPR_ASSERTING_INT_CAST(BYTE, val);
}
static INLINE BYTE RGB2V(INT32 R, INT32 G, INT32 B)
{
const INT32 val = (((128 * R - 116 * G - 12 * B) >> 8) + 128);
return WINPR_ASSERTING_INT_CAST(BYTE, val);
}
static void BGRX_fillYUV(size_t offset, const BYTE* WINPR_RESTRICT pRGB[2],
BYTE* WINPR_RESTRICT pY[2], BYTE* WINPR_RESTRICT pU[2],
BYTE* WINPR_RESTRICT pV[2])

23
libfreerdp/primitives/prim_internal.h
View File

@@ -286,6 +286,29 @@ static INLINE BYTE YUV2B(INT32 Y, INT32 U, INT32 V)
return CLIP(b8);
}
/**
* | Y | ( | 54 183 18 | | R | ) | 0 |
* | U | = ( | -29 -99 128 | | G | ) >> 8 + | 128 |
* | V | ( | 128 -116 -12 | | B | ) | 128 |
*/
static INLINE BYTE RGB2Y(INT32 R, INT32 G, INT32 B)
{
const INT32 val = ((54 * R + 183 * G + 18 * B) >> 8);
return WINPR_ASSERTING_INT_CAST(BYTE, val);
}
static INLINE BYTE RGB2U(INT32 R, INT32 G, INT32 B)
{
const INT32 val = (((-29 * R - 99 * G + 128 * B) >> 8) + 128);
return WINPR_ASSERTING_INT_CAST(BYTE, val);
}
static INLINE BYTE RGB2V(INT32 R, INT32 G, INT32 B)
{
const INT32 val = (((128 * R - 116 * G - 12 * B) >> 8) + 128);
return WINPR_ASSERTING_INT_CAST(BYTE, val);
}
/* Function prototypes for all the init/deinit routines. */
FREERDP_LOCAL void primitives_init_copy(primitives_t* WINPR_RESTRICT prims);
FREERDP_LOCAL void primitives_init_set(primitives_t* WINPR_RESTRICT prims);