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131 lines
4.1 KiB
C
131 lines
4.1 KiB
C
/*
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Copyright (C) 2001-2003 Michael Niedermayer <michaelni@gmx.at>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef SWSCALE_INTERNAL_H
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#define SWSCALE_INTERNAL_H
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#define MAX_FILTER_SIZE 256
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typedef int (*SwsFunc)(struct SwsContext *context, uint8_t* src[], int srcStride[], int srcSliceY,
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int srcSliceH, uint8_t* dst[], int dstStride[]);
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/* this struct should be aligned on at least 32-byte boundary */
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typedef struct SwsContext{
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/**
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*
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* Note the src,dst,srcStride,dstStride will be copied, in the sws_scale() warper so they can freely be modified here
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*/
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SwsFunc swScale;
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int srcW, srcH, dstH;
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int chrSrcW, chrSrcH, chrDstW, chrDstH;
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int lumXInc, chrXInc;
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int lumYInc, chrYInc;
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int dstFormat, srcFormat; ///< format 4:2:0 type is allways YV12
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int origDstFormat, origSrcFormat; ///< format
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int chrSrcHSubSample, chrSrcVSubSample;
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int chrIntHSubSample, chrIntVSubSample;
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int chrDstHSubSample, chrDstVSubSample;
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int vChrDrop;
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int16_t **lumPixBuf;
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int16_t **chrPixBuf;
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int16_t *hLumFilter;
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int16_t *hLumFilterPos;
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int16_t *hChrFilter;
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int16_t *hChrFilterPos;
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int16_t *vLumFilter;
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int16_t *vLumFilterPos;
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int16_t *vChrFilter;
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int16_t *vChrFilterPos;
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uint8_t formatConvBuffer[4000]; //FIXME dynamic alloc, but we have to change alot of code for this to be usefull
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int hLumFilterSize;
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int hChrFilterSize;
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int vLumFilterSize;
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int vChrFilterSize;
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int vLumBufSize;
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int vChrBufSize;
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uint8_t __attribute__((aligned(32))) funnyYCode[10000];
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uint8_t __attribute__((aligned(32))) funnyUVCode[10000];
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int32_t *lumMmx2FilterPos;
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int32_t *chrMmx2FilterPos;
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int16_t *lumMmx2Filter;
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int16_t *chrMmx2Filter;
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int canMMX2BeUsed;
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int lastInLumBuf;
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int lastInChrBuf;
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int lumBufIndex;
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int chrBufIndex;
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int dstY;
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int flags;
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void * yuvTable; // pointer to the yuv->rgb table start so it can be freed()
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void * table_rV[256];
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void * table_gU[256];
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int table_gV[256];
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void * table_bU[256];
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//Colorspace stuff
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int contrast, brightness, saturation; // for sws_getColorspaceDetails
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int srcColorspaceTable[4];
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int dstColorspaceTable[4];
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int srcRange, dstRange;
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#define RED_DITHER "0*8"
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#define GREEN_DITHER "1*8"
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#define BLUE_DITHER "2*8"
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#define Y_COEFF "3*8"
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#define VR_COEFF "4*8"
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#define UB_COEFF "5*8"
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#define VG_COEFF "6*8"
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#define UG_COEFF "7*8"
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#define Y_OFFSET "8*8"
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#define U_OFFSET "9*8"
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#define V_OFFSET "10*8"
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#define LUM_MMX_FILTER_OFFSET "11*8"
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#define CHR_MMX_FILTER_OFFSET "11*8+4*4*256"
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#define DSTW_OFFSET "11*8+4*4*256*2"
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#define ESP_OFFSET "11*8+4*4*256*2+4"
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uint64_t redDither __attribute__((aligned(8)));
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uint64_t greenDither __attribute__((aligned(8)));
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uint64_t blueDither __attribute__((aligned(8)));
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uint64_t yCoeff __attribute__((aligned(8)));
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uint64_t vrCoeff __attribute__((aligned(8)));
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uint64_t ubCoeff __attribute__((aligned(8)));
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uint64_t vgCoeff __attribute__((aligned(8)));
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uint64_t ugCoeff __attribute__((aligned(8)));
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uint64_t yOffset __attribute__((aligned(8)));
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uint64_t uOffset __attribute__((aligned(8)));
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uint64_t vOffset __attribute__((aligned(8)));
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int32_t lumMmxFilter[4*MAX_FILTER_SIZE];
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int32_t chrMmxFilter[4*MAX_FILTER_SIZE];
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int dstW;
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int esp;
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} SwsContext;
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//FIXME check init (where 0)
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SwsFunc yuv2rgb_get_func_ptr (SwsContext *c);
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int yuv2rgb_c_init_tables (SwsContext *c, const int inv_table[4], int fullRange, int brightness, int contrast, int saturation);
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#endif
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