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/*
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* Copyright (C) 2001-2003 Michael Niedermayer <michaelni@gmx.at>
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*
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* This file is part of Libav.
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*
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* Libav is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* Libav 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with Libav; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <inttypes.h>
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#include "config.h"
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#include "libswscale/swscale.h"
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#include "libswscale/swscale_internal.h"
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#include "libavutil/intreadwrite.h"
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#include "libavutil/x86_cpu.h"
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#include "libavutil/cpu.h"
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#include "libavutil/pixdesc.h"
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DECLARE_ASM_CONST(8, uint64_t, bF8)= 0xF8F8F8F8F8F8F8F8LL;
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DECLARE_ASM_CONST(8, uint64_t, bFC)= 0xFCFCFCFCFCFCFCFCLL;
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DECLARE_ASM_CONST(8, uint64_t, w10)= 0x0010001000100010LL;
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DECLARE_ASM_CONST(8, uint64_t, w02)= 0x0002000200020002LL;
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DECLARE_ASM_CONST(8, uint64_t, bm00001111)=0x00000000FFFFFFFFLL;
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DECLARE_ASM_CONST(8, uint64_t, bm00000111)=0x0000000000FFFFFFLL;
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DECLARE_ASM_CONST(8, uint64_t, bm11111000)=0xFFFFFFFFFF000000LL;
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DECLARE_ASM_CONST(8, uint64_t, bm01010101)=0x00FF00FF00FF00FFLL;
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const DECLARE_ALIGNED(8, uint64_t, ff_dither4)[2] = {
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0x0103010301030103LL,
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0x0200020002000200LL,};
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const DECLARE_ALIGNED(8, uint64_t, ff_dither8)[2] = {
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0x0602060206020602LL,
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0x0004000400040004LL,};
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DECLARE_ASM_CONST(8, uint64_t, b16Mask)= 0x001F001F001F001FLL;
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DECLARE_ASM_CONST(8, uint64_t, g16Mask)= 0x07E007E007E007E0LL;
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DECLARE_ASM_CONST(8, uint64_t, r16Mask)= 0xF800F800F800F800LL;
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DECLARE_ASM_CONST(8, uint64_t, b15Mask)= 0x001F001F001F001FLL;
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DECLARE_ASM_CONST(8, uint64_t, g15Mask)= 0x03E003E003E003E0LL;
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DECLARE_ASM_CONST(8, uint64_t, r15Mask)= 0x7C007C007C007C00LL;
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DECLARE_ALIGNED(8, const uint64_t, ff_M24A) = 0x00FF0000FF0000FFLL;
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DECLARE_ALIGNED(8, const uint64_t, ff_M24B) = 0xFF0000FF0000FF00LL;
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DECLARE_ALIGNED(8, const uint64_t, ff_M24C) = 0x0000FF0000FF0000LL;
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#ifdef FAST_BGR2YV12
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DECLARE_ALIGNED(8, const uint64_t, ff_bgr2YCoeff) = 0x000000210041000DULL;
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DECLARE_ALIGNED(8, const uint64_t, ff_bgr2UCoeff) = 0x0000FFEEFFDC0038ULL;
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DECLARE_ALIGNED(8, const uint64_t, ff_bgr2VCoeff) = 0x00000038FFD2FFF8ULL;
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#else
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DECLARE_ALIGNED(8, const uint64_t, ff_bgr2YCoeff) = 0x000020E540830C8BULL;
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DECLARE_ALIGNED(8, const uint64_t, ff_bgr2UCoeff) = 0x0000ED0FDAC23831ULL;
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DECLARE_ALIGNED(8, const uint64_t, ff_bgr2VCoeff) = 0x00003831D0E6F6EAULL;
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#endif /* FAST_BGR2YV12 */
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DECLARE_ALIGNED(8, const uint64_t, ff_bgr2YOffset) = 0x1010101010101010ULL;
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DECLARE_ALIGNED(8, const uint64_t, ff_bgr2UVOffset) = 0x8080808080808080ULL;
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DECLARE_ALIGNED(8, const uint64_t, ff_w1111) = 0x0001000100010001ULL;
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DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toY1Coeff) = 0x0C88000040870C88ULL;
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DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toY2Coeff) = 0x20DE4087000020DEULL;
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DECLARE_ASM_CONST(8, uint64_t, ff_rgb24toY1Coeff) = 0x20DE0000408720DEULL;
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DECLARE_ASM_CONST(8, uint64_t, ff_rgb24toY2Coeff) = 0x0C88408700000C88ULL;
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DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toYOffset) = 0x0008400000084000ULL;
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DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toUV)[2][4] = {
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{0x38380000DAC83838ULL, 0xECFFDAC80000ECFFULL, 0xF6E40000D0E3F6E4ULL, 0x3838D0E300003838ULL},
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{0xECFF0000DAC8ECFFULL, 0x3838DAC800003838ULL, 0x38380000D0E33838ULL, 0xF6E4D0E30000F6E4ULL},
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};
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DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toUVOffset)= 0x0040400000404000ULL;
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//MMX versions
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#if HAVE_MMX
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#undef RENAME
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#define COMPILE_TEMPLATE_MMX2 0
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#define RENAME(a) a ## _MMX
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#include "swscale_template.c"
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#endif
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//MMX2 versions
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#if HAVE_MMX2
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#undef RENAME
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#undef COMPILE_TEMPLATE_MMX2
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#define COMPILE_TEMPLATE_MMX2 1
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#define RENAME(a) a ## _MMX2
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#include "swscale_template.c"
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#endif
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void updateMMXDitherTables(SwsContext *c, int dstY, int lumBufIndex, int chrBufIndex,
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int lastInLumBuf, int lastInChrBuf)
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{
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const int dstH= c->dstH;
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const int flags= c->flags;
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int16_t **lumPixBuf= c->lumPixBuf;
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int16_t **chrUPixBuf= c->chrUPixBuf;
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int16_t **alpPixBuf= c->alpPixBuf;
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const int vLumBufSize= c->vLumBufSize;
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const int vChrBufSize= c->vChrBufSize;
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int16_t *vLumFilterPos= c->vLumFilterPos;
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int16_t *vChrFilterPos= c->vChrFilterPos;
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int16_t *vLumFilter= c->vLumFilter;
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int16_t *vChrFilter= c->vChrFilter;
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int32_t *lumMmxFilter= c->lumMmxFilter;
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int32_t *chrMmxFilter= c->chrMmxFilter;
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int32_t av_unused *alpMmxFilter= c->alpMmxFilter;
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const int vLumFilterSize= c->vLumFilterSize;
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const int vChrFilterSize= c->vChrFilterSize;
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const int chrDstY= dstY>>c->chrDstVSubSample;
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const int firstLumSrcY= vLumFilterPos[dstY]; //First line needed as input
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const int firstChrSrcY= vChrFilterPos[chrDstY]; //First line needed as input
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c->blueDither= ff_dither8[dstY&1];
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if (c->dstFormat == PIX_FMT_RGB555 || c->dstFormat == PIX_FMT_BGR555)
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c->greenDither= ff_dither8[dstY&1];
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else
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c->greenDither= ff_dither4[dstY&1];
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c->redDither= ff_dither8[(dstY+1)&1];
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if (dstY < dstH - 2) {
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const int16_t **lumSrcPtr= (const int16_t **) lumPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize;
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const int16_t **chrUSrcPtr= (const int16_t **) chrUPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize;
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const int16_t **alpSrcPtr= (CONFIG_SWSCALE_ALPHA && alpPixBuf) ? (const int16_t **) alpPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize : NULL;
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int i;
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if (flags & SWS_ACCURATE_RND) {
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int s= APCK_SIZE / 8;
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for (i=0; i<vLumFilterSize; i+=2) {
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*(const void**)&lumMmxFilter[s*i ]= lumSrcPtr[i ];
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*(const void**)&lumMmxFilter[s*i+APCK_PTR2/4 ]= lumSrcPtr[i+(vLumFilterSize>1)];
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lumMmxFilter[s*i+APCK_COEF/4 ]=
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lumMmxFilter[s*i+APCK_COEF/4+1]= vLumFilter[dstY*vLumFilterSize + i ]
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+ (vLumFilterSize>1 ? vLumFilter[dstY*vLumFilterSize + i + 1]<<16 : 0);
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if (CONFIG_SWSCALE_ALPHA && alpPixBuf) {
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*(const void**)&alpMmxFilter[s*i ]= alpSrcPtr[i ];
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*(const void**)&alpMmxFilter[s*i+APCK_PTR2/4 ]= alpSrcPtr[i+(vLumFilterSize>1)];
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alpMmxFilter[s*i+APCK_COEF/4 ]=
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alpMmxFilter[s*i+APCK_COEF/4+1]= lumMmxFilter[s*i+APCK_COEF/4 ];
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}
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}
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for (i=0; i<vChrFilterSize; i+=2) {
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*(const void**)&chrMmxFilter[s*i ]= chrUSrcPtr[i ];
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*(const void**)&chrMmxFilter[s*i+APCK_PTR2/4 ]= chrUSrcPtr[i+(vChrFilterSize>1)];
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chrMmxFilter[s*i+APCK_COEF/4 ]=
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chrMmxFilter[s*i+APCK_COEF/4+1]= vChrFilter[chrDstY*vChrFilterSize + i ]
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+ (vChrFilterSize>1 ? vChrFilter[chrDstY*vChrFilterSize + i + 1]<<16 : 0);
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}
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} else {
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for (i=0; i<vLumFilterSize; i++) {
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*(const void**)&lumMmxFilter[4*i+0]= lumSrcPtr[i];
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lumMmxFilter[4*i+2]=
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lumMmxFilter[4*i+3]=
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((uint16_t)vLumFilter[dstY*vLumFilterSize + i])*0x10001;
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if (CONFIG_SWSCALE_ALPHA && alpPixBuf) {
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*(const void**)&alpMmxFilter[4*i+0]= alpSrcPtr[i];
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alpMmxFilter[4*i+2]=
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alpMmxFilter[4*i+3]= lumMmxFilter[4*i+2];
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}
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}
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for (i=0; i<vChrFilterSize; i++) {
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*(const void**)&chrMmxFilter[4*i+0]= chrUSrcPtr[i];
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chrMmxFilter[4*i+2]=
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chrMmxFilter[4*i+3]=
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((uint16_t)vChrFilter[chrDstY*vChrFilterSize + i])*0x10001;
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}
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}
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}
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}
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void ff_sws_init_swScale_mmx(SwsContext *c)
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{
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int cpu_flags = av_get_cpu_flags();
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if (cpu_flags & AV_CPU_FLAG_MMX)
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sws_init_swScale_MMX(c);
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#if HAVE_MMX2
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if (cpu_flags & AV_CPU_FLAG_MMX2)
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sws_init_swScale_MMX2(c);
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#endif
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}
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