| /* |
| * Copyright (C) 2001-2003 Michael Niedermayer <michaelni@gmx.at> |
| * |
| * 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 <altivec.h> |
| #endif |
| |
| #include "libavutil/avutil.h" |
| |
| #define STR(s) AV_TOSTRING(s) //AV_STRINGIFY is too long |
| |
| #define MAX_FILTER_SIZE 256 |
| |
| #define VOFW 2048 |
| #define VOF (VOFW*2) |
| |
| #ifdef WORDS_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 chrIntHSubSample, chrIntVSubSample; |
| 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; |
| |
| 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; |
| 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" |
| |
| 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))); |
| uint64_t y_temp __attribute__((aligned(8))); |
| 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 |
| uint32_t oy __attribute__((aligned(4))); |
| uint32_t oc __attribute__((aligned(4))); |
| uint32_t zero __attribute__((aligned(4))); |
| uint32_t cy __attribute__((aligned(4))); |
| uint32_t crv __attribute__((aligned(4))); |
| uint32_t rmask __attribute__((aligned(4))); |
| uint32_t cbu __attribute__((aligned(4))); |
| uint32_t bmask __attribute__((aligned(4))); |
| uint32_t cgu __attribute__((aligned(4))); |
| uint32_t cgv __attribute__((aligned(4))); |
| uint32_t gmask __attribute__((aligned(4))); |
| #endif |
| |
| #if HAVE_VIS |
| uint64_t sparc_coeffs[10] __attribute__((aligned(8))); |
| #endif |
| |
| } 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_yuv2packedX_altivec(SwsContext *c, |
| int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize, |
| int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize, |
| uint8_t *dest, int dstW, int dstY); |
| |
| const char *sws_format_name(int format); |
| |
| //FIXME replace this with something faster |
| #define isPlanarYUV(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 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_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: |
| 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 */ |
