/* * Copyright (C) 2001-2003 Michael Niedermayer * * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * 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 Street, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef SWSCALE_SWSCALE_INTERNAL_H #define SWSCALE_SWSCALE_INTERNAL_H #include "config.h" #if HAVE_ALTIVEC_H #include #endif #include "libavutil/avutil.h" #define STR(s) AV_TOSTRING(s) //AV_STRINGIFY is too long #define MAX_FILTER_SIZE 256 #if ARCH_X86 #define VOFW 5120 #else #define VOFW 2048 // faster on PPC and not tested on others #endif #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 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, 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 CGU; vector signed short CGV; vector signed short OY; vector unsigned short CSHIFT; 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); int lumSrcOffset; ///< Offset given to luma src pointers passed to horizontal input functions. int chrSrcOffset; ///< Offset given to chroma src pointers passed to horizontal input functions. int alpSrcOffset; ///< Offset given to alpha src pointers passed to horizontal input functions. } SwsContext; //FIXME check init (where 0) 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); 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 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_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; } } 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 */