| /* |
| * 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_INTERNAL_H |
| #define SWSCALE_INTERNAL_H |
| |
| #ifdef HAVE_ALTIVEC_H |
| #include <altivec.h> |
| #endif |
| |
| //#include "avutil.h" |
| |
| #ifdef CONFIG_DARWIN |
| #define AVV(x...) (x) |
| #else |
| #define AVV(x...) {x} |
| #endif |
| |
| #define av_malloc malloc |
| #define av_free(x) (x ? free(x) : 0) |
| #define FFMAX(a,b) ((a) > (b) ? (a) : (b)) |
| #define FFMIN(a,b) ((a) > (b) ? (b) : (a)) |
| #define FFABS(a) ((a) >= 0 ? (a) : (-(a))) |
| |
| #define MSG_WARN(args...) fprintf(stderr, ##args ) |
| #define MSG_FATAL(args...) fprintf(stderr, ##args ) |
| #define MSG_ERR(args...) fprintf(stderr, ##args ) |
| #define MSG_V(args...) fprintf(stderr, ##args ) |
| #define MSG_DBG2(args...) fprintf(stderr, ##args ) |
| #define MSG_INFO(args...) fprintf(stderr, ##args ) |
| |
| #define MAX_FILTER_SIZE 256 |
| |
| typedef int (*SwsFunc)(struct SwsContext *context, uint8_t* src, int srcStride, int srcSliceY, |
| int srcSliceH, uint8_t* dst, int dstStride); |
| |
| #ifdef WORDS_BIGENDIAN |
| #define PIX_FMT_RGBA PIX_FMT_RGB32_1 |
| #define PIX_FMT_BGRA PIX_FMT_BGR32_1 |
| #define PIX_FMT_ARGB PIX_FMT_RGB32 |
| #define PIX_FMT_ABGR PIX_FMT_BGR32 |
| #else |
| #define PIX_FMT_RGBA PIX_FMT_BGR32 |
| #define PIX_FMT_BGRA PIX_FMT_RGB32 |
| #define PIX_FMT_ARGB PIX_FMT_BGR32_1 |
| #define PIX_FMT_ABGR PIX_FMT_RGB32_1 |
| #endif |
| |
| /* this struct should be aligned on at least 32-byte boundary */ |
| typedef struct SwsContext{ |
| /** |
| * |
| * 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]; |
| |
| uint8_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; |
| |
| int hLumFilterSize; |
| int hChrFilterSize; |
| int vLumFilterSize; |
| int vChrFilterSize; |
| int vLumBufSize; |
| int vChrBufSize; |
| |
| int lastInLumBuf; |
| int lastInChrBuf; |
| int lumBufIndex; |
| int chrBufIndex; |
| int dstY; |
| int flags; |
| |
| #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" |
| |
| 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))); |
| |
| |
| } SwsContext; |
| //FIXME check init (where 0) |
| |
| 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_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) |
| #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_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_MONOBLACK) |
| |
| 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: |
| 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; |
| } |
| } |
| |
| #endif |