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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
-
- #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;
-
- 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 __attribute__((aligned(32))) funnyYCode[10000];
- uint8_t __attribute__((aligned(32))) funnyUVCode[10000];
- 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"
- #define ESP_OFFSET "11*8+4*4*256*2+4"
-
- 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;
- } 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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