#include "libavutil/pixfmt.h"
#include "libavutil/pixdesc.h"
-#define STR(s) AV_TOSTRING(s) //AV_STRINGIFY is too long
+#define STR(s) AV_TOSTRING(s) // AV_STRINGIFY is too long
-#define FAST_BGR2YV12 //use 7-bit instead of 15-bit coefficients
+#define FAST_BGR2YV12 // use 7-bit instead of 15-bit coefficients
#define MAX_FILTER_SIZE 256
#endif
#if ARCH_X86_64
-# define APCK_PTR2 8
+# define APCK_PTR2 8
# define APCK_COEF 16
# define APCK_SIZE 24
#else
-# define APCK_PTR2 4
-# define APCK_COEF 8
+# define APCK_PTR2 4
+# define APCK_COEF 8
# define APCK_SIZE 16
#endif
struct SwsContext;
-typedef int (*SwsFunc)(struct SwsContext *context, const uint8_t* src[],
+typedef int (*SwsFunc)(struct SwsContext *context, const uint8_t *src[],
int srcStride[], int srcSliceY, int srcSliceH,
- uint8_t* dst[], int dstStride[]);
-
+ uint8_t *dst[], int dstStride[]);
/**
* Write one line of horizontally scaled data to planar output
* @param dither ordered dither array of type int16_t and size 8
* @param offset Dither offset
*/
-typedef void (*yuv2planar1_fn) (const int16_t *src, uint8_t *dest, int dstW,
- const uint8_t *dither, int offset);
+typedef void (*yuv2planar1_fn)(const int16_t *src, uint8_t *dest, int dstW,
+ const uint8_t *dither, int offset);
/**
* Write one line of horizontally scaled data to planar output
* @param dstW width of destination pixels
* @param offset Dither offset
*/
-typedef void (*yuv2planarX_fn) (const int16_t *filter, int filterSize,
- const int16_t **src, uint8_t *dest, int dstW,
- const uint8_t *dither, int offset);
+typedef void (*yuv2planarX_fn)(const int16_t *filter, int filterSize,
+ const int16_t **src, uint8_t *dest, int dstW,
+ const uint8_t *dither, int offset);
/**
* Write one line of horizontally scaled chroma to interleaved output
* output, this is in uint16_t
* @param dstW width of chroma planes
*/
-typedef void (*yuv2interleavedX_fn) (struct SwsContext *c, const int16_t *chrFilter, int chrFilterSize,
- const int16_t **chrUSrc, const int16_t **chrVSrc,
- uint8_t *dest, int dstW);
+typedef void (*yuv2interleavedX_fn)(struct SwsContext *c,
+ const int16_t *chrFilter,
+ int chrFilterSize,
+ const int16_t **chrUSrc,
+ const int16_t **chrVSrc,
+ uint8_t *dest, int dstW);
/**
* Write one line of horizontally scaled Y/U/V/A to packed-pixel YUV/RGB
* but can be used to generate comfort noise using dithering
* for some output formats.
*/
-typedef void (*yuv2packed1_fn) (struct SwsContext *c, const int16_t *lumSrc,
- const int16_t *chrUSrc[2], const int16_t *chrVSrc[2],
- const int16_t *alpSrc, uint8_t *dest,
- int dstW, int uvalpha, int y);
+typedef void (*yuv2packed1_fn)(struct SwsContext *c, const int16_t *lumSrc,
+ const int16_t *chrUSrc[2],
+ const int16_t *chrVSrc[2],
+ const int16_t *alpSrc, uint8_t *dest,
+ int dstW, int uvalpha, int y);
/**
* Write one line of horizontally scaled Y/U/V/A to packed-pixel YUV/RGB
* output by doing bilinear scaling between two input lines.
* but can be used to generate comfort noise using dithering
* for some output formats.
*/
-typedef void (*yuv2packed2_fn) (struct SwsContext *c, const int16_t *lumSrc[2],
- const int16_t *chrUSrc[2], const int16_t *chrVSrc[2],
- const int16_t *alpSrc[2], uint8_t *dest,
- int dstW, int yalpha, int uvalpha, int y);
+typedef void (*yuv2packed2_fn)(struct SwsContext *c, const int16_t *lumSrc[2],
+ const int16_t *chrUSrc[2],
+ const int16_t *chrVSrc[2],
+ const int16_t *alpSrc[2],
+ uint8_t *dest,
+ int dstW, int yalpha, int uvalpha, int y);
/**
* Write one line of horizontally scaled Y/U/V/A to packed-pixel YUV/RGB
* output by doing multi-point vertical scaling between input pixels.
* but can be used to generate comfort noise using dithering
* or some output formats.
*/
-typedef void (*yuv2packedX_fn) (struct SwsContext *c, const int16_t *lumFilter,
- const int16_t **lumSrc, int lumFilterSize,
- const int16_t *chrFilter, const int16_t **chrUSrc,
- const int16_t **chrVSrc, int chrFilterSize,
- const int16_t **alpSrc, uint8_t *dest,
- int dstW, int y);
+typedef void (*yuv2packedX_fn)(struct SwsContext *c, const int16_t *lumFilter,
+ const int16_t **lumSrc, int lumFilterSize,
+ const int16_t *chrFilter,
+ const int16_t **chrUSrc,
+ const int16_t **chrVSrc, int chrFilterSize,
+ const int16_t **alpSrc, uint8_t *dest,
+ int dstW, int y);
/* This struct should be aligned on at least a 32-byte boundary. */
typedef struct SwsContext {
int16_t **chrUPixBuf; ///< Ring buffer for scaled horizontal chroma plane lines to be fed to the vertical scaler.
int16_t **chrVPixBuf; ///< Ring buffer for scaled horizontal chroma plane lines to be fed to the vertical scaler.
int16_t **alpPixBuf; ///< Ring buffer for scaled horizontal alpha plane lines to be fed to the vertical scaler.
- int vLumBufSize; ///< Number of vertical luma/alpha lines allocated in the ring buffer.
- int vChrBufSize; ///< Number of vertical chroma lines allocated in the ring buffer.
- int lastInLumBuf; ///< Last scaled horizontal luma/alpha line from source in the ring buffer.
- int lastInChrBuf; ///< Last scaled horizontal chroma line from source in the ring buffer.
- int lumBufIndex; ///< Index in ring buffer of the last scaled horizontal luma/alpha line from source.
- int chrBufIndex; ///< Index in ring buffer of the last scaled horizontal chroma line from source.
+ int vLumBufSize; ///< Number of vertical luma/alpha lines allocated in the ring buffer.
+ int vChrBufSize; ///< Number of vertical chroma lines allocated in the ring buffer.
+ int lastInLumBuf; ///< Last scaled horizontal luma/alpha line from source in the ring buffer.
+ int lastInChrBuf; ///< Last scaled horizontal chroma line from source in the ring buffer.
+ int lumBufIndex; ///< Index in ring buffer of the last scaled horizontal luma/alpha line from source.
+ int chrBufIndex; ///< Index in ring buffer of the last scaled horizontal chroma line from source.
//@}
uint8_t *formatConvBuffer;
int16_t *hChrFilter; ///< Array of horizontal filter coefficients for chroma planes.
int16_t *vLumFilter; ///< Array of vertical filter coefficients for luma/alpha planes.
int16_t *vChrFilter; ///< Array of vertical filter coefficients for chroma planes.
- int16_t *hLumFilterPos; ///< Array of horizontal filter starting positions for each dst[i] for luma/alpha planes.
- int16_t *hChrFilterPos; ///< Array of horizontal filter starting positions for each dst[i] for chroma planes.
- int16_t *vLumFilterPos; ///< Array of vertical filter starting positions for each dst[i] for luma/alpha planes.
- int16_t *vChrFilterPos; ///< Array of vertical filter starting positions for each dst[i] for chroma planes.
- int hLumFilterSize; ///< Horizontal filter size for luma/alpha pixels.
- int hChrFilterSize; ///< Horizontal filter size for chroma pixels.
- int vLumFilterSize; ///< Vertical filter size for luma/alpha pixels.
- int vChrFilterSize; ///< Vertical filter size for chroma pixels.
+ int32_t *hLumFilterPos; ///< Array of horizontal filter starting positions for each dst[i] for luma/alpha planes.
+ int32_t *hChrFilterPos; ///< Array of horizontal filter starting positions for each dst[i] for chroma planes.
+ int32_t *vLumFilterPos; ///< Array of vertical filter starting positions for each dst[i] for luma/alpha planes.
+ int32_t *vChrFilterPos; ///< Array of vertical filter starting positions for each dst[i] for chroma planes.
+ int hLumFilterSize; ///< Horizontal filter size for luma/alpha pixels.
+ int hChrFilterSize; ///< Horizontal filter size for chroma pixels.
+ int vLumFilterSize; ///< Vertical filter size for luma/alpha pixels.
+ int vChrFilterSize; ///< Vertical filter size for chroma pixels.
//@}
int lumMmx2FilterCodeSize; ///< Runtime-generated MMX2 horizontal fast bilinear scaler code size for luma/alpha planes.
int dstY; ///< Last destination vertical line output from last slice.
int flags; ///< Flags passed by the user to select scaler algorithm, optimizations, subsampling, etc...
- void * yuvTable; // pointer to the yuv->rgb table start so it can be freed()
- uint8_t * table_rV[256];
- uint8_t * table_gU[256];
- int table_gV[256];
- uint8_t * table_bU[256];
+ void *yuvTable; // pointer to the yuv->rgb table start so it can be freed()
+ uint8_t *table_rV[256];
+ uint8_t *table_gU[256];
+ int table_gV[256];
+ uint8_t *table_bU[256];
//Colorspace stuff
int contrast, brightness, saturation; // for sws_getColorspaceDetails
DECLARE_ALIGNED(8, uint64_t, yOffset);
DECLARE_ALIGNED(8, uint64_t, uOffset);
DECLARE_ALIGNED(8, uint64_t, vOffset);
- int32_t lumMmxFilter[4*MAX_FILTER_SIZE];
- int32_t chrMmxFilter[4*MAX_FILTER_SIZE];
+ int32_t lumMmxFilter[4 * MAX_FILTER_SIZE];
+ int32_t chrMmxFilter[4 * MAX_FILTER_SIZE];
int dstW; ///< Width of destination luma/alpha planes.
DECLARE_ALIGNED(8, uint64_t, esp);
DECLARE_ALIGNED(8, uint64_t, vRounder);
DECLARE_ALIGNED(8, uint64_t, u_temp);
DECLARE_ALIGNED(8, uint64_t, v_temp);
DECLARE_ALIGNED(8, uint64_t, y_temp);
- int32_t alpMmxFilter[4*MAX_FILTER_SIZE];
+ int32_t alpMmxFilter[4 * MAX_FILTER_SIZE];
// alignment of these values is not necessary, but merely here
// to maintain the same offset across x8632 and x86-64. Once we
// use proper offset macros in the asm, they can be removed.
vector signed short CGV;
vector signed short OY;
vector unsigned short CSHIFT;
- vector signed short *vYCoeffsBank, *vCCoeffsBank;
+ vector signed short *vYCoeffsBank, *vCCoeffsBank;
#endif
#if ARCH_BFIN
yuv2packed2_fn yuv2packed2;
yuv2packedX_fn yuv2packedX;
+ /// Unscaled conversion of luma plane to YV12 for horizontal scaler.
void (*lumToYV12)(uint8_t *dst, const uint8_t *src,
- int width, uint32_t *pal); ///< Unscaled conversion of luma plane to YV12 for horizontal scaler.
+ int width, uint32_t *pal);
+ /// Unscaled conversion of alpha plane to YV12 for horizontal scaler.
void (*alpToYV12)(uint8_t *dst, const uint8_t *src,
- int width, uint32_t *pal); ///< Unscaled conversion of alpha plane to YV12 for horizontal scaler.
+ int width, uint32_t *pal);
+ /// 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,
- int width, uint32_t *pal); ///< Unscaled conversion of chroma planes to YV12 for horizontal scaler.
+ int width, uint32_t *pal);
/**
- * Functions to read planar input, such as planar RGB, and convert
- * internally to Y/UV.
- */
+ * Functions to read planar input, such as planar RGB, and convert
+ * internally to Y/UV.
+ */
/** @{ */
void (*readLumPlanar)(uint8_t *dst, const uint8_t *src[4], int width);
- void (*readChrPlanar)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src[4], int width);
+ void (*readChrPlanar)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src[4],
+ int width);
/** @} */
/**
* to simplify creating SIMD code.
*/
/** @{ */
- void (*hyScale)(struct SwsContext *c, int16_t *dst, int dstW, const uint8_t *src,
- const int16_t *filter, const int16_t *filterPos,
- int filterSize);
- void (*hcScale)(struct SwsContext *c, int16_t *dst, int dstW, const uint8_t *src,
- const int16_t *filter, const int16_t *filterPos,
- int filterSize);
+ void (*hyScale)(struct SwsContext *c, int16_t *dst, int dstW,
+ const uint8_t *src, const int16_t *filter,
+ const int32_t *filterPos, int filterSize);
+ void (*hcScale)(struct SwsContext *c, int16_t *dst, int dstW,
+ const uint8_t *src, const int16_t *filter,
+ const int32_t *filterPos, int filterSize);
/** @} */
- void (*lumConvertRange)(int16_t *dst, int width); ///< Color range conversion function for luma plane if needed.
- void (*chrConvertRange)(int16_t *dst1, int16_t *dst2, int width); ///< Color range conversion function for chroma planes if needed.
+ /// Color range conversion function for luma plane if needed.
+ void (*lumConvertRange)(int16_t *dst, int width);
+ /// Color range conversion function for chroma planes if needed.
+ void (*chrConvertRange)(int16_t *dst1, int16_t *dst2, int width);
int needs_hcscale; ///< Set if there are chroma planes to be converted.
-
} SwsContext;
//FIXME check init (where 0)
SwsFunc ff_yuv2rgb_init_mmx(SwsContext *c);
SwsFunc ff_yuv2rgb_init_vis(SwsContext *c);
-SwsFunc ff_yuv2rgb_init_mlib(SwsContext *c);
SwsFunc ff_yuv2rgb_init_altivec(SwsContext *c);
SwsFunc ff_yuv2rgb_get_func_ptr_bfin(SwsContext *c);
void ff_bfin_get_unscaled_swscale(SwsContext *c);
(!(av_pix_fmt_descriptors[x].flags & PIX_FMT_PAL) && \
av_pix_fmt_descriptors[x].nb_components <= 2)
#else
-#define isGray(x) ( \
- (x)==PIX_FMT_GRAY8 \
- || (x)==PIX_FMT_Y400A \
- || (x)==PIX_FMT_GRAY16BE \
- || (x)==PIX_FMT_GRAY16LE \
- )
+#define isGray(x) \
+ ((x) == PIX_FMT_GRAY8 || \
+ (x) == PIX_FMT_Y400A || \
+ (x) == PIX_FMT_GRAY16BE || \
+ (x) == PIX_FMT_GRAY16LE)
#endif
-#define isRGBinInt(x) ( \
- (x)==PIX_FMT_RGB48BE \
- || (x)==PIX_FMT_RGB48LE \
- || (x)==PIX_FMT_RGB32 \
- || (x)==PIX_FMT_RGB32_1 \
- || (x)==PIX_FMT_RGB24 \
- || (x)==PIX_FMT_RGB565BE \
- || (x)==PIX_FMT_RGB565LE \
- || (x)==PIX_FMT_RGB555BE \
- || (x)==PIX_FMT_RGB555LE \
- || (x)==PIX_FMT_RGB444BE \
- || (x)==PIX_FMT_RGB444LE \
- || (x)==PIX_FMT_RGB8 \
- || (x)==PIX_FMT_RGB4 \
- || (x)==PIX_FMT_RGB4_BYTE \
- || (x)==PIX_FMT_MONOBLACK \
- || (x)==PIX_FMT_MONOWHITE \
- )
-#define isBGRinInt(x) ( \
- (x)==PIX_FMT_BGR48BE \
- || (x)==PIX_FMT_BGR48LE \
- || (x)==PIX_FMT_BGR32 \
- || (x)==PIX_FMT_BGR32_1 \
- || (x)==PIX_FMT_BGR24 \
- || (x)==PIX_FMT_BGR565BE \
- || (x)==PIX_FMT_BGR565LE \
- || (x)==PIX_FMT_BGR555BE \
- || (x)==PIX_FMT_BGR555LE \
- || (x)==PIX_FMT_BGR444BE \
- || (x)==PIX_FMT_BGR444LE \
- || (x)==PIX_FMT_BGR8 \
- || (x)==PIX_FMT_BGR4 \
- || (x)==PIX_FMT_BGR4_BYTE \
- || (x)==PIX_FMT_MONOBLACK \
- || (x)==PIX_FMT_MONOWHITE \
- )
-#define isAnyRGB(x) ( \
- isRGBinInt(x) \
- || isBGRinInt(x) \
- )
-#define isALPHA(x) \
- (av_pix_fmt_descriptors[x].nb_components == 2 || \
+#define isRGBinInt(x) \
+ ((x) == PIX_FMT_RGB48BE || \
+ (x) == PIX_FMT_RGB48LE || \
+ (x) == PIX_FMT_RGB32 || \
+ (x) == PIX_FMT_RGB32_1 || \
+ (x) == PIX_FMT_RGB24 || \
+ (x) == PIX_FMT_RGB565BE || \
+ (x) == PIX_FMT_RGB565LE || \
+ (x) == PIX_FMT_RGB555BE || \
+ (x) == PIX_FMT_RGB555LE || \
+ (x) == PIX_FMT_RGB444BE || \
+ (x) == PIX_FMT_RGB444LE || \
+ (x) == PIX_FMT_RGB8 || \
+ (x) == PIX_FMT_RGB4 || \
+ (x) == PIX_FMT_RGB4_BYTE || \
+ (x) == PIX_FMT_MONOBLACK || \
+ (x) == PIX_FMT_MONOWHITE)
+
+#define isBGRinInt(x) \
+ ((x) == PIX_FMT_BGR48BE || \
+ (x) == PIX_FMT_BGR48LE || \
+ (x) == PIX_FMT_BGR32 || \
+ (x) == PIX_FMT_BGR32_1 || \
+ (x) == PIX_FMT_BGR24 || \
+ (x) == PIX_FMT_BGR565BE || \
+ (x) == PIX_FMT_BGR565LE || \
+ (x) == PIX_FMT_BGR555BE || \
+ (x) == PIX_FMT_BGR555LE || \
+ (x) == PIX_FMT_BGR444BE || \
+ (x) == PIX_FMT_BGR444LE || \
+ (x) == PIX_FMT_BGR8 || \
+ (x) == PIX_FMT_BGR4 || \
+ (x) == PIX_FMT_BGR4_BYTE || \
+ (x) == PIX_FMT_MONOBLACK || \
+ (x) == PIX_FMT_MONOWHITE)
+
+#define isAnyRGB(x) \
+ (isRGBinInt(x) || \
+ isBGRinInt(x))
+
+#define isALPHA(x) \
+ (av_pix_fmt_descriptors[x].nb_components == 2 || \
av_pix_fmt_descriptors[x].nb_components == 4)
-#define isPacked(x) (\
- (av_pix_fmt_descriptors[x].nb_components >= 2 && \
- !(av_pix_fmt_descriptors[x].flags & PIX_FMT_PLANAR)) || \
- (x) == PIX_FMT_PAL8\
- )
+#define isPacked(x) \
+ ((av_pix_fmt_descriptors[x].nb_components >= 2 && \
+ !(av_pix_fmt_descriptors[x].flags & PIX_FMT_PLANAR)) || \
+ (x) == PIX_FMT_PAL8)
-#define isPlanar(x) \
- (av_pix_fmt_descriptors[x].nb_components >= 2 && \
+#define isPlanar(x) \
+ (av_pix_fmt_descriptors[x].nb_components >= 2 && \
(av_pix_fmt_descriptors[x].flags & PIX_FMT_PLANAR))
-#define usePal(x) ((av_pix_fmt_descriptors[x].flags & PIX_FMT_PAL) || (x) == PIX_FMT_Y400A)
+#define isPackedRGB(x) \
+ ((av_pix_fmt_descriptors[x].flags & \
+ (PIX_FMT_PLANAR | PIX_FMT_RGB)) == PIX_FMT_RGB)
+
+#define isPlanarRGB(x) \
+ ((av_pix_fmt_descriptors[x].flags & \
+ (PIX_FMT_PLANAR | PIX_FMT_RGB)) == (PIX_FMT_PLANAR | PIX_FMT_RGB))
+
+#define usePal(x) ((av_pix_fmt_descriptors[x].flags & PIX_FMT_PAL) || \
+ (av_pix_fmt_descriptors[x].flags & PIX_FMT_PSEUDOPAL) || \
+ (x) == PIX_FMT_Y400A)
extern const uint64_t ff_dither4[2];
extern const uint64_t ff_dither8[2];
*/
SwsFunc ff_getSwsFunc(SwsContext *c);
+void ff_sws_init_input_funcs(SwsContext *c);
+void ff_sws_init_output_funcs(SwsContext *c,
+ yuv2planar1_fn *yuv2plane1,
+ yuv2planarX_fn *yuv2planeX,
+ yuv2interleavedX_fn *yuv2nv12cX,
+ yuv2packed1_fn *yuv2packed1,
+ yuv2packed2_fn *yuv2packed2,
+ yuv2packedX_fn *yuv2packedX);
void ff_sws_init_swScale_altivec(SwsContext *c);
void ff_sws_init_swScale_mmx(SwsContext *c);
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