*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#ifndef SWSCALE_INTERNAL_H
-#define SWSCALE_INTERNAL_H
+#ifndef SWSCALE_SWSCALE_INTERNAL_H
+#define SWSCALE_SWSCALE_INTERNAL_H
-#ifdef HAVE_ALTIVEC_H
+#include "config.h"
+
+#if HAVE_ALTIVEC_H
#include <altivec.h>
#endif
-#include "avutil.h"
+#include "libavutil/avutil.h"
+
+#define STR(s) AV_TOSTRING(s) //AV_STRINGIFY is too long
-#ifdef CONFIG_DARWIN
-#define AVV(x...) (x)
+#define MAX_FILTER_SIZE 256
+
+#if ARCH_X86
+#define VOFW 5120
#else
-#define AVV(x...) {x}
+#define VOFW 2048 // faster on PPC and not tested on others
#endif
-#define MAX_FILTER_SIZE 256
+#define VOF (VOFW*2)
+
+#if HAVE_BIGENDIAN
+#define ALT32_CORR (-1)
+#else
+#define ALT32_CORR 1
+#endif
+
+#if ARCH_X86_64
+# define APCK_PTR2 8
+# define APCK_COEF 16
+# define APCK_SIZE 24
+#else
+# define APCK_PTR2 4
+# define APCK_COEF 8
+# define APCK_SIZE 16
+#endif
+
+struct SwsContext;
+
+typedef int (*SwsFunc)(struct SwsContext *context, uint8_t* src[],
+ int srcStride[], int srcSliceY, int srcSliceH,
+ uint8_t* dst[], int dstStride[]);
+
+/* This struct should be aligned on at least a 32-byte boundary. */
+typedef struct SwsContext {
+ /**
+ * info on struct for av_log
+ */
+ const AVClass *av_class;
+
+ /**
+ * Note that src, dst, srcStride, dstStride will be copied in the
+ * sws_scale() wrapper so they can be freely modified here.
+ */
+ SwsFunc swScale;
+ int srcW, srcH, dstH;
+ int chrSrcW, chrSrcH, chrDstW, chrDstH;
+ int lumXInc, chrXInc;
+ int lumYInc, chrYInc;
+ enum PixelFormat dstFormat, srcFormat; ///< format 4:2:0 type is always YV12
+ int origDstFormat, origSrcFormat; ///< format
+ int chrSrcHSubSample, chrSrcVSubSample;
+ int chrDstHSubSample, chrDstVSubSample;
+ int vChrDrop;
+ int sliceDir;
+ double param[2];
+
+ uint32_t pal_yuv[256];
+ uint32_t pal_rgb[256];
+
+ int16_t **lumPixBuf;
+ int16_t **chrPixBuf;
+ int16_t **alpPixBuf;
+ int16_t *hLumFilter;
+ int16_t *hLumFilterPos;
+ int16_t *hChrFilter;
+ int16_t *hChrFilterPos;
+ int16_t *vLumFilter;
+ int16_t *vLumFilterPos;
+ int16_t *vChrFilter;
+ int16_t *vChrFilterPos;
+
+ uint8_t formatConvBuffer[VOF]; //FIXME dynamic allocation, but we have to change a lot of code for this to be useful
-typedef int (*SwsFunc)(struct SwsContext *context, uint8_t* src[], int srcStride[], int srcSliceY,
- int srcSliceH, uint8_t* dst[], int dstStride[]);
-
-/* this struct should be aligned on at least 32-byte boundary */
-typedef struct SwsContext{
- /**
- * info on struct for av_log
- */
- AVClass *av_class;
-
- /**
- *
- * Note the src,dst,srcStride,dstStride will be copied, in the sws_scale() warper so they can freely be modified here
- */
- SwsFunc swScale;
- int srcW, srcH, dstH;
- int chrSrcW, chrSrcH, chrDstW, chrDstH;
- int lumXInc, chrXInc;
- int lumYInc, chrYInc;
- int dstFormat, srcFormat; ///< format 4:2:0 type is allways YV12
- int origDstFormat, origSrcFormat; ///< format
- int chrSrcHSubSample, chrSrcVSubSample;
- int chrIntHSubSample, chrIntVSubSample;
- int chrDstHSubSample, chrDstVSubSample;
- int vChrDrop;
- int sliceDir;
- double param[2];
-
- int16_t **lumPixBuf;
- int16_t **chrPixBuf;
- int16_t *hLumFilter;
- int16_t *hLumFilterPos;
- int16_t *hChrFilter;
- int16_t *hChrFilterPos;
- int16_t *vLumFilter;
- int16_t *vLumFilterPos;
- int16_t *vChrFilter;
- int16_t *vChrFilterPos;
-
- uint8_t formatConvBuffer[4000]; //FIXME dynamic alloc, but we have to change a lot of code for this to be useful
-
- int hLumFilterSize;
- int hChrFilterSize;
- int vLumFilterSize;
- int vChrFilterSize;
- int vLumBufSize;
- int vChrBufSize;
-
- uint8_t *funnyYCode;
- uint8_t *funnyUVCode;
- int32_t *lumMmx2FilterPos;
- int32_t *chrMmx2FilterPos;
- int16_t *lumMmx2Filter;
- int16_t *chrMmx2Filter;
-
- int canMMX2BeUsed;
-
- int lastInLumBuf;
- int lastInChrBuf;
- int lumBufIndex;
- int chrBufIndex;
- int dstY;
- int flags;
- 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
- int srcColorspaceTable[4];
- int dstColorspaceTable[4];
- int srcRange, dstRange;
-
-#define RED_DITHER "0*8"
-#define GREEN_DITHER "1*8"
-#define BLUE_DITHER "2*8"
-#define Y_COEFF "3*8"
-#define VR_COEFF "4*8"
-#define UB_COEFF "5*8"
-#define VG_COEFF "6*8"
-#define UG_COEFF "7*8"
-#define Y_OFFSET "8*8"
-#define U_OFFSET "9*8"
-#define V_OFFSET "10*8"
+ int hLumFilterSize;
+ int hChrFilterSize;
+ int vLumFilterSize;
+ int vChrFilterSize;
+ int vLumBufSize;
+ int vChrBufSize;
+
+ int lumMmx2FilterCodeSize;
+ int chrMmx2FilterCodeSize;
+ uint8_t *lumMmx2FilterCode;
+ uint8_t *chrMmx2FilterCode;
+ int32_t *lumMmx2FilterPos;
+ int32_t *chrMmx2FilterPos;
+ int16_t *lumMmx2Filter;
+ int16_t *chrMmx2Filter;
+
+ int canMMX2BeUsed;
+
+ int lastInLumBuf;
+ int lastInChrBuf;
+ int lumBufIndex;
+ int chrBufIndex;
+ int dstY;
+ int flags;
+ 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
+ int srcColorspaceTable[4];
+ int dstColorspaceTable[4];
+ int srcRange, dstRange;
+ int yuv2rgb_y_offset;
+ int yuv2rgb_y_coeff;
+ int yuv2rgb_v2r_coeff;
+ int yuv2rgb_v2g_coeff;
+ int yuv2rgb_u2g_coeff;
+ int yuv2rgb_u2b_coeff;
+
+#define RED_DITHER "0*8"
+#define GREEN_DITHER "1*8"
+#define BLUE_DITHER "2*8"
+#define Y_COEFF "3*8"
+#define VR_COEFF "4*8"
+#define UB_COEFF "5*8"
+#define VG_COEFF "6*8"
+#define UG_COEFF "7*8"
+#define Y_OFFSET "8*8"
+#define U_OFFSET "9*8"
+#define V_OFFSET "10*8"
#define LUM_MMX_FILTER_OFFSET "11*8"
#define CHR_MMX_FILTER_OFFSET "11*8+4*4*256"
-#define DSTW_OFFSET "11*8+4*4*256*2" //do not change, its hardcoded in the asm
-#define ESP_OFFSET "11*8+4*4*256*2+8"
-#define VROUNDER_OFFSET "11*8+4*4*256*2+16"
-#define U_TEMP "11*8+4*4*256*2+24"
-#define V_TEMP "11*8+4*4*256*2+32"
-
- uint64_t redDither __attribute__((aligned(8)));
- uint64_t greenDither __attribute__((aligned(8)));
- uint64_t blueDither __attribute__((aligned(8)));
-
- uint64_t yCoeff __attribute__((aligned(8)));
- uint64_t vrCoeff __attribute__((aligned(8)));
- uint64_t ubCoeff __attribute__((aligned(8)));
- uint64_t vgCoeff __attribute__((aligned(8)));
- uint64_t ugCoeff __attribute__((aligned(8)));
- uint64_t yOffset __attribute__((aligned(8)));
- uint64_t uOffset __attribute__((aligned(8)));
- uint64_t vOffset __attribute__((aligned(8)));
- int32_t lumMmxFilter[4*MAX_FILTER_SIZE];
- int32_t chrMmxFilter[4*MAX_FILTER_SIZE];
- int dstW;
- uint64_t esp __attribute__((aligned(8)));
- uint64_t vRounder __attribute__((aligned(8)));
- uint64_t u_temp __attribute__((aligned(8)));
- uint64_t v_temp __attribute__((aligned(8)));
-
-#ifdef HAVE_ALTIVEC
+#define DSTW_OFFSET "11*8+4*4*256*2" //do not change, it is hardcoded in the ASM
+#define ESP_OFFSET "11*8+4*4*256*2+8"
+#define VROUNDER_OFFSET "11*8+4*4*256*2+16"
+#define U_TEMP "11*8+4*4*256*2+24"
+#define V_TEMP "11*8+4*4*256*2+32"
+#define Y_TEMP "11*8+4*4*256*2+40"
+#define ALP_MMX_FILTER_OFFSET "11*8+4*4*256*2+48"
+ DECLARE_ALIGNED(8, uint64_t, redDither);
+ DECLARE_ALIGNED(8, uint64_t, greenDither);
+ DECLARE_ALIGNED(8, uint64_t, blueDither);
+
+ DECLARE_ALIGNED(8, uint64_t, yCoeff);
+ DECLARE_ALIGNED(8, uint64_t, vrCoeff);
+ DECLARE_ALIGNED(8, uint64_t, ubCoeff);
+ DECLARE_ALIGNED(8, uint64_t, vgCoeff);
+ DECLARE_ALIGNED(8, uint64_t, ugCoeff);
+ 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];
+ int dstW;
+ 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];
+
+#if HAVE_ALTIVEC
vector signed short CY;
vector signed short CRV;
vector signed short CBU;
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
+ DECLARE_ALIGNED(4, uint32_t, oy);
+ DECLARE_ALIGNED(4, uint32_t, oc);
+ DECLARE_ALIGNED(4, uint32_t, zero);
+ DECLARE_ALIGNED(4, uint32_t, cy);
+ DECLARE_ALIGNED(4, uint32_t, crv);
+ DECLARE_ALIGNED(4, uint32_t, rmask);
+ DECLARE_ALIGNED(4, uint32_t, cbu);
+ DECLARE_ALIGNED(4, uint32_t, bmask);
+ DECLARE_ALIGNED(4, uint32_t, cgu);
+ DECLARE_ALIGNED(4, uint32_t, cgv);
+ DECLARE_ALIGNED(4, uint32_t, gmask);
#endif
+#if HAVE_VIS
+ DECLARE_ALIGNED(8, uint64_t, sparc_coeffs[10]);
+#endif
+
+ /* function pointers for swScale() */
+ void (*yuv2nv12X )(struct SwsContext *c,
+ const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
+ const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize,
+ uint8_t *dest, uint8_t *uDest,
+ int dstW, int chrDstW, int dstFormat);
+ void (*yuv2yuv1 )(struct SwsContext *c,
+ const int16_t *lumSrc, const int16_t *chrSrc, const int16_t *alpSrc,
+ uint8_t *dest,
+ uint8_t *uDest, uint8_t *vDest, uint8_t *aDest,
+ long dstW, long chrDstW);
+ void (*yuv2yuvX )(struct SwsContext *c,
+ const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
+ const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize,
+ const int16_t **alpSrc,
+ uint8_t *dest,
+ uint8_t *uDest, uint8_t *vDest, uint8_t *aDest,
+ long dstW, long chrDstW);
+ void (*yuv2packed1)(struct SwsContext *c,
+ const uint16_t *buf0,
+ const uint16_t *uvbuf0, const uint16_t *uvbuf1,
+ const uint16_t *abuf0,
+ uint8_t *dest,
+ int dstW, int uvalpha, int dstFormat, int flags, int y);
+ void (*yuv2packed2)(struct SwsContext *c,
+ const uint16_t *buf0, const uint16_t *buf1,
+ const uint16_t *uvbuf0, const uint16_t *uvbuf1,
+ const uint16_t *abuf0, const uint16_t *abuf1,
+ uint8_t *dest,
+ int dstW, int yalpha, int uvalpha, int y);
+ void (*yuv2packedX)(struct SwsContext *c,
+ const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
+ const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize,
+ const int16_t **alpSrc, uint8_t *dest,
+ long dstW, long dstY);
+
+ void (*hyscale_internal)(uint8_t *dst, const uint8_t *src,
+ long width, uint32_t *pal);
+ void (*hascale_internal)(uint8_t *dst, const uint8_t *src,
+ long width, uint32_t *pal);
+ void (*hcscale_internal)(uint8_t *dstU, uint8_t *dstV,
+ const uint8_t *src1, const uint8_t *src2,
+ long width, uint32_t *pal);
+ void (*hyscale_fast)(struct SwsContext *c,
+ int16_t *dst, int dstWidth,
+ const uint8_t *src, int srcW, int xInc);
+ void (*hcscale_fast)(struct SwsContext *c,
+ int16_t *dst, int dstWidth,
+ const uint8_t *src1, const uint8_t *src2,
+ int srcW, int xInc);
+
+ void (*hScale)(int16_t *dst, int dstW, const uint8_t *src, int srcW,
+ int xInc, const int16_t *filter, const int16_t *filterPos,
+ long filterSize);
+
} SwsContext;
//FIXME check init (where 0)
-SwsFunc yuv2rgb_get_func_ptr (SwsContext *c);
-int yuv2rgb_c_init_tables (SwsContext *c, const int inv_table[4], int fullRange, int brightness, int contrast, int saturation);
+SwsFunc ff_yuv2rgb_get_func_ptr(SwsContext *c);
+int ff_yuv2rgb_c_init_tables(SwsContext *c, const int inv_table[4],
+ int fullRange, int brightness,
+ int contrast, int saturation);
-char *sws_format_name(int format);
+void ff_yuv2rgb_init_tables_altivec(SwsContext *c, const int inv_table[4],
+ int brightness, int contrast, int saturation);
+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);
+void ff_yuv2packedX_altivec(SwsContext *c,
+ const int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
+ const int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
+ uint8_t *dest, int dstW, int dstY);
+
+const char *sws_format_name(enum PixelFormat format);
//FIXME replace this with something faster
-#define isPlanarYUV(x) ((x)==PIX_FMT_YUV410P || (x)==PIX_FMT_YUV420P \
- || (x)==PIX_FMT_YUV411P || (x)==PIX_FMT_YUV422P \
- || (x)==PIX_FMT_YUV444P || (x)==PIX_FMT_NV12 \
- || (x)==PIX_FMT_NV21)
-#define isYUV(x) ((x)==PIX_FMT_UYVY422 || (x)==PIX_FMT_YUYV422 || isPlanarYUV(x))
-#define isGray(x) ((x)==PIX_FMT_GRAY8 || (x)==PIX_FMT_GRAY16BE || (x)==PIX_FMT_GRAY16LE)
-#define isGray16(x) ((x)==PIX_FMT_GRAY16BE || (x)==PIX_FMT_GRAY16LE)
-#define isRGB(x) ((x)==PIX_FMT_BGR32 || (x)==PIX_FMT_RGB24 \
- || (x)==PIX_FMT_RGB565 || (x)==PIX_FMT_RGB555 \
- || (x)==PIX_FMT_RGB8 || (x)==PIX_FMT_RGB4 || (x)==PIX_FMT_RGB4_BYTE \
- || (x)==PIX_FMT_MONOBLACK)
-#define isBGR(x) ((x)==PIX_FMT_RGB32 || (x)==PIX_FMT_BGR24 \
- || (x)==PIX_FMT_BGR565 || (x)==PIX_FMT_BGR555 \
- || (x)==PIX_FMT_BGR8 || (x)==PIX_FMT_BGR4 || (x)==PIX_FMT_BGR4_BYTE \
- || (x)==PIX_FMT_MONOBLACK)
+#define is16BPS(x) ( \
+ (x)==PIX_FMT_GRAY16BE \
+ || (x)==PIX_FMT_GRAY16LE \
+ || (x)==PIX_FMT_RGB48BE \
+ || (x)==PIX_FMT_RGB48LE \
+ || (x)==PIX_FMT_YUV420P16LE \
+ || (x)==PIX_FMT_YUV422P16LE \
+ || (x)==PIX_FMT_YUV444P16LE \
+ || (x)==PIX_FMT_YUV420P16BE \
+ || (x)==PIX_FMT_YUV422P16BE \
+ || (x)==PIX_FMT_YUV444P16BE \
+ )
+#define isBE(x) ((x)&1)
+#define isPlanar8YUV(x) ( \
+ (x)==PIX_FMT_YUV410P \
+ || (x)==PIX_FMT_YUV420P \
+ || (x)==PIX_FMT_YUVA420P \
+ || (x)==PIX_FMT_YUV411P \
+ || (x)==PIX_FMT_YUV422P \
+ || (x)==PIX_FMT_YUV444P \
+ || (x)==PIX_FMT_YUV440P \
+ || (x)==PIX_FMT_NV12 \
+ || (x)==PIX_FMT_NV21 \
+ )
+#define isPlanarYUV(x) ( \
+ isPlanar8YUV(x) \
+ || (x)==PIX_FMT_YUV420P16LE \
+ || (x)==PIX_FMT_YUV422P16LE \
+ || (x)==PIX_FMT_YUV444P16LE \
+ || (x)==PIX_FMT_YUV420P16BE \
+ || (x)==PIX_FMT_YUV422P16BE \
+ || (x)==PIX_FMT_YUV444P16BE \
+ )
+#define isYUV(x) ( \
+ (x)==PIX_FMT_UYVY422 \
+ || (x)==PIX_FMT_YUYV422 \
+ || isPlanarYUV(x) \
+ )
+#define isGray(x) ( \
+ (x)==PIX_FMT_GRAY8 \
+ || (x)==PIX_FMT_GRAY16BE \
+ || (x)==PIX_FMT_GRAY16LE \
+ )
+#define isGray16(x) ( \
+ (x)==PIX_FMT_GRAY16BE \
+ || (x)==PIX_FMT_GRAY16LE \
+ )
+#define isRGB(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_RGB565 \
+ || (x)==PIX_FMT_RGB555 \
+ || (x)==PIX_FMT_RGB8 \
+ || (x)==PIX_FMT_RGB4 \
+ || (x)==PIX_FMT_RGB4_BYTE \
+ || (x)==PIX_FMT_MONOBLACK \
+ || (x)==PIX_FMT_MONOWHITE \
+ )
+#define isBGR(x) ( \
+ (x)==PIX_FMT_BGR32 \
+ || (x)==PIX_FMT_BGR32_1 \
+ || (x)==PIX_FMT_BGR24 \
+ || (x)==PIX_FMT_BGR565 \
+ || (x)==PIX_FMT_BGR555 \
+ || (x)==PIX_FMT_BGR8 \
+ || (x)==PIX_FMT_BGR4 \
+ || (x)==PIX_FMT_BGR4_BYTE \
+ || (x)==PIX_FMT_MONOBLACK \
+ || (x)==PIX_FMT_MONOWHITE \
+ )
+#define isALPHA(x) ( \
+ (x)==PIX_FMT_BGR32 \
+ || (x)==PIX_FMT_BGR32_1 \
+ || (x)==PIX_FMT_RGB32 \
+ || (x)==PIX_FMT_RGB32_1 \
+ || (x)==PIX_FMT_YUVA420P \
+ )
static inline int fmt_depth(int fmt)
{
switch(fmt) {
- case PIX_FMT_BGRA:
- case PIX_FMT_ABGR:
- case PIX_FMT_RGBA:
- case PIX_FMT_ARGB:
- return 32;
- case PIX_FMT_BGR24:
- case PIX_FMT_RGB24:
- return 24;
- case PIX_FMT_BGR565:
- case PIX_FMT_RGB565:
- case PIX_FMT_GRAY16BE:
- case PIX_FMT_GRAY16LE:
- return 16;
- case PIX_FMT_BGR555:
- case PIX_FMT_RGB555:
- return 15;
- case PIX_FMT_BGR8:
- case PIX_FMT_RGB8:
- return 8;
- case PIX_FMT_BGR4:
- case PIX_FMT_RGB4:
- case PIX_FMT_BGR4_BYTE:
- case PIX_FMT_RGB4_BYTE:
- return 4;
- case PIX_FMT_MONOBLACK:
- return 1;
- default:
- return 0;
+ case PIX_FMT_RGB48BE:
+ case PIX_FMT_RGB48LE:
+ return 48;
+ case PIX_FMT_BGRA:
+ case PIX_FMT_ABGR:
+ case PIX_FMT_RGBA:
+ case PIX_FMT_ARGB:
+ return 32;
+ case PIX_FMT_BGR24:
+ case PIX_FMT_RGB24:
+ return 24;
+ case PIX_FMT_BGR565:
+ case PIX_FMT_RGB565:
+ case PIX_FMT_GRAY16BE:
+ case PIX_FMT_GRAY16LE:
+ return 16;
+ case PIX_FMT_BGR555:
+ case PIX_FMT_RGB555:
+ return 15;
+ case PIX_FMT_BGR8:
+ case PIX_FMT_RGB8:
+ return 8;
+ case PIX_FMT_BGR4:
+ case PIX_FMT_RGB4:
+ case PIX_FMT_BGR4_BYTE:
+ case PIX_FMT_RGB4_BYTE:
+ return 4;
+ case PIX_FMT_MONOBLACK:
+ case PIX_FMT_MONOWHITE:
+ return 1;
+ default:
+ return 0;
}
}
-#endif
+extern const uint64_t ff_dither4[2];
+extern const uint64_t ff_dither8[2];
+
+extern const AVClass sws_context_class;
+
+#endif /* SWSCALE_SWSCALE_INTERNAL_H */