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swscale/internal: add typedefs for input reading functions

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Sponsored-by: Sovereign Tech Fund
Signed-off-by: Niklas Haas <git@haasn.dev>
Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Niklas Haas 2024-10-01 12:22:16 +02:00 committed by Paul B Mahol
parent d595d6ab21
commit 49399fd633
1 changed files with 31 additions and 16 deletions
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47
libswscale/swscale_internal.h
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@ -292,6 +292,31 @@ typedef void (*yuv2anyX_fn)(struct SwsContext *c, const int16_t *lumFilter,
const int16_t **alpSrc, uint8_t **dest,
int dstW, int y);
/**
* Unscaled conversion of luma/alpha plane to YV12 for horizontal scaler.
*/
typedef void (*planar1_YV12_fn)(uint8_t *dst, const uint8_t *src, const uint8_t *src2,
const uint8_t *src3, int width, uint32_t *pal,
void *opaque);
/**
* Unscaled conversion of chroma plane to YV12 for horizontal scaler.
*/
typedef void (*planar2_YV12_fn)(uint8_t *dst, uint8_t *dst2, const uint8_t *src,
const uint8_t *src2, const uint8_t *src3,
int width, uint32_t *pal, void *opaque);
/**
* Unscaled conversion of arbitrary planar data (e.g. RGBA) to YV12, through
* conversion using the given color matrix.
*/
typedef void (*planarX_YV12_fn)(uint8_t *dst, const uint8_t *src[4], int width,
int32_t *rgb2yuv, void *opaque);
typedef void (*planarX2_YV12_fn)(uint8_t *dst, uint8_t *dst2,
const uint8_t *src[4], int width,
int32_t *rgb2yuv, void *opaque);
struct SwsSlice;
struct SwsFilterDescriptor;
@ -561,28 +586,18 @@ struct SwsContext {
/// Opaque data pointer passed to all input functions.
void *input_opaque;
/// Unscaled conversion of luma plane to YV12 for horizontal scaler.
void (*lumToYV12)(uint8_t *dst, const uint8_t *src, const uint8_t *src2, const uint8_t *src3,
int width, uint32_t *pal, void *opq);
/// Unscaled conversion of alpha plane to YV12 for horizontal scaler.
void (*alpToYV12)(uint8_t *dst, const uint8_t *src, const uint8_t *src2, const uint8_t *src3,
int width, uint32_t *pal, void *opq);
/// Unscaled conversion of chroma planes to YV12 for horizontal scaler.
void (*chrToYV12)(uint8_t *dstU, uint8_t *dstV,
const uint8_t *src1, const uint8_t *src2, const uint8_t *src3,
int width, uint32_t *pal, void *opq);
planar1_YV12_fn lumToYV12;
planar1_YV12_fn alpToYV12;
planar2_YV12_fn chrToYV12;
/**
* Functions to read planar input, such as planar RGB, and convert
* internally to Y/UV/A.
*/
/** @{ */
void (*readLumPlanar)(uint8_t *dst, const uint8_t *src[4], int width, int32_t *rgb2yuv,
void *opq);
void (*readChrPlanar)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src[4],
int width, int32_t *rgb2yuv, void *opq);
void (*readAlpPlanar)(uint8_t *dst, const uint8_t *src[4], int width, int32_t *rgb2yuv,
void *opq);
planarX_YV12_fn readLumPlanar;
planarX_YV12_fn readAlpPlanar;
planarX2_YV12_fn readChrPlanar;
/** @} */
/**