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ffmpeg / postproc / swscale_internal.h @ 399cec2f

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/*
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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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#include "../mp_msg.h"
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#define MSG_WARN(args...) mp_msg(MSGT_SWS,MSGL_WARN, ##args )
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#define MSG_FATAL(args...) mp_msg(MSGT_SWS,MSGL_FATAL, ##args )
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#define MSG_ERR(args...) mp_msg(MSGT_SWS,MSGL_ERR, ##args )
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#define MSG_V(args...) mp_msg(MSGT_SWS,MSGL_V, ##args )
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#define MSG_DBG2(args...) mp_msg(MSGT_SWS,MSGL_DBG2, ##args )
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#define MSG_INFO(args...) mp_msg(MSGT_SWS,MSGL_INFO, ##args )
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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" //do not change, its hardcoded in the asm
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#define ESP_OFFSET  "11*8+4*4*256*2+4"
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#define VROUNDER_OFFSET "11*8+4*4*256*2+8"
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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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        uint64_t vRounder     __attribute__((aligned(8)));
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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