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/*
Copyright (C) 2001-2003 Michael Niedermayer <michaelni@gmx.at>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef SWSCALE_INTERNAL_H
#define SWSCALE_INTERNAL_H
#ifdef HAVE_ALTIVEC_H
#include <altivec.h>
#endif
#ifdef CONFIG_DARWIN
#define AVV(x...) (x)
#else
#define AVV(x...) {x}
#endif
#include "../mp_msg.h"
#define MSG_WARN(args...) mp_msg(MSGT_SWS,MSGL_WARN, ##args )
#define MSG_FATAL(args...) mp_msg(MSGT_SWS,MSGL_FATAL, ##args )
#define MSG_ERR(args...) mp_msg(MSGT_SWS,MSGL_ERR, ##args )
#define MSG_V(args...) mp_msg(MSGT_SWS,MSGL_V, ##args )
#define MSG_DBG2(args...) mp_msg(MSGT_SWS,MSGL_DBG2, ##args )
#define MSG_INFO(args...) mp_msg(MSGT_SWS,MSGL_INFO, ##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[]);
/* 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];
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 alot of code for this to be usefull
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()
void * table_rV[256];
void * table_gU[256];
int table_gV[256];
void * 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"
#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+4"
#define VROUNDER_OFFSET "11*8+4*4*256*2+8"
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;
int esp;
uint64_t vRounder __attribute__((aligned(8)));
#ifdef 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;
#endif
} 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);
#endif
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