| /* |
| * Copyright (C) 2001-2003 Michael Niedermayer <michaelni@gmx.at> |
| * |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * FFmpeg 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 |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include <inttypes.h> |
| #include "config.h" |
| #include "libswscale/swscale.h" |
| #include "libswscale/swscale_internal.h" |
| #include "libavutil/intreadwrite.h" |
| #include "libavutil/x86_cpu.h" |
| #include "libavutil/cpu.h" |
| #include "libavutil/pixdesc.h" |
| |
| DECLARE_ASM_CONST(8, uint64_t, bF8)= 0xF8F8F8F8F8F8F8F8LL; |
| DECLARE_ASM_CONST(8, uint64_t, bFC)= 0xFCFCFCFCFCFCFCFCLL; |
| DECLARE_ASM_CONST(8, uint64_t, w10)= 0x0010001000100010LL; |
| DECLARE_ASM_CONST(8, uint64_t, w02)= 0x0002000200020002LL; |
| DECLARE_ASM_CONST(8, uint64_t, bm00001111)=0x00000000FFFFFFFFLL; |
| DECLARE_ASM_CONST(8, uint64_t, bm00000111)=0x0000000000FFFFFFLL; |
| DECLARE_ASM_CONST(8, uint64_t, bm11111000)=0xFFFFFFFFFF000000LL; |
| DECLARE_ASM_CONST(8, uint64_t, bm01010101)=0x00FF00FF00FF00FFLL; |
| |
| const DECLARE_ALIGNED(8, uint64_t, ff_dither4)[2] = { |
| 0x0103010301030103LL, |
| 0x0200020002000200LL,}; |
| |
| const DECLARE_ALIGNED(8, uint64_t, ff_dither8)[2] = { |
| 0x0602060206020602LL, |
| 0x0004000400040004LL,}; |
| |
| DECLARE_ASM_CONST(8, uint64_t, b16Mask)= 0x001F001F001F001FLL; |
| DECLARE_ASM_CONST(8, uint64_t, g16Mask)= 0x07E007E007E007E0LL; |
| DECLARE_ASM_CONST(8, uint64_t, r16Mask)= 0xF800F800F800F800LL; |
| DECLARE_ASM_CONST(8, uint64_t, b15Mask)= 0x001F001F001F001FLL; |
| DECLARE_ASM_CONST(8, uint64_t, g15Mask)= 0x03E003E003E003E0LL; |
| DECLARE_ASM_CONST(8, uint64_t, r15Mask)= 0x7C007C007C007C00LL; |
| |
| DECLARE_ALIGNED(8, const uint64_t, ff_M24A) = 0x00FF0000FF0000FFLL; |
| DECLARE_ALIGNED(8, const uint64_t, ff_M24B) = 0xFF0000FF0000FF00LL; |
| DECLARE_ALIGNED(8, const uint64_t, ff_M24C) = 0x0000FF0000FF0000LL; |
| |
| #ifdef FAST_BGR2YV12 |
| DECLARE_ALIGNED(8, const uint64_t, ff_bgr2YCoeff) = 0x000000210041000DULL; |
| DECLARE_ALIGNED(8, const uint64_t, ff_bgr2UCoeff) = 0x0000FFEEFFDC0038ULL; |
| DECLARE_ALIGNED(8, const uint64_t, ff_bgr2VCoeff) = 0x00000038FFD2FFF8ULL; |
| #else |
| DECLARE_ALIGNED(8, const uint64_t, ff_bgr2YCoeff) = 0x000020E540830C8BULL; |
| DECLARE_ALIGNED(8, const uint64_t, ff_bgr2UCoeff) = 0x0000ED0FDAC23831ULL; |
| DECLARE_ALIGNED(8, const uint64_t, ff_bgr2VCoeff) = 0x00003831D0E6F6EAULL; |
| #endif /* FAST_BGR2YV12 */ |
| DECLARE_ALIGNED(8, const uint64_t, ff_bgr2YOffset) = 0x1010101010101010ULL; |
| DECLARE_ALIGNED(8, const uint64_t, ff_bgr2UVOffset) = 0x8080808080808080ULL; |
| DECLARE_ALIGNED(8, const uint64_t, ff_w1111) = 0x0001000100010001ULL; |
| |
| DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toY1Coeff) = 0x0C88000040870C88ULL; |
| DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toY2Coeff) = 0x20DE4087000020DEULL; |
| DECLARE_ASM_CONST(8, uint64_t, ff_rgb24toY1Coeff) = 0x20DE0000408720DEULL; |
| DECLARE_ASM_CONST(8, uint64_t, ff_rgb24toY2Coeff) = 0x0C88408700000C88ULL; |
| DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toYOffset) = 0x0008010000080100ULL; |
| |
| DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toUV)[2][4] = { |
| {0x38380000DAC83838ULL, 0xECFFDAC80000ECFFULL, 0xF6E40000D0E3F6E4ULL, 0x3838D0E300003838ULL}, |
| {0xECFF0000DAC8ECFFULL, 0x3838DAC800003838ULL, 0x38380000D0E33838ULL, 0xF6E4D0E30000F6E4ULL}, |
| }; |
| |
| DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toUVOffset)= 0x0040010000400100ULL; |
| |
| //MMX versions |
| #if HAVE_MMX |
| #undef RENAME |
| #define COMPILE_TEMPLATE_MMX2 0 |
| #define RENAME(a) a ## _MMX |
| #include "swscale_template.c" |
| #endif |
| |
| //MMX2 versions |
| #if HAVE_MMX2 |
| #undef RENAME |
| #undef COMPILE_TEMPLATE_MMX2 |
| #define COMPILE_TEMPLATE_MMX2 1 |
| #define RENAME(a) a ## _MMX2 |
| #include "swscale_template.c" |
| #endif |
| |
| void updateMMXDitherTables(SwsContext *c, int dstY, int lumBufIndex, int chrBufIndex, |
| int lastInLumBuf, int lastInChrBuf) |
| { |
| const int dstH= c->dstH; |
| const int flags= c->flags; |
| int16_t **lumPixBuf= c->lumPixBuf; |
| int16_t **chrUPixBuf= c->chrUPixBuf; |
| int16_t **alpPixBuf= c->alpPixBuf; |
| const int vLumBufSize= c->vLumBufSize; |
| const int vChrBufSize= c->vChrBufSize; |
| int16_t *vLumFilterPos= c->vLumFilterPos; |
| int16_t *vChrFilterPos= c->vChrFilterPos; |
| int16_t *vLumFilter= c->vLumFilter; |
| int16_t *vChrFilter= c->vChrFilter; |
| int32_t *lumMmxFilter= c->lumMmxFilter; |
| int32_t *chrMmxFilter= c->chrMmxFilter; |
| int32_t av_unused *alpMmxFilter= c->alpMmxFilter; |
| const int vLumFilterSize= c->vLumFilterSize; |
| const int vChrFilterSize= c->vChrFilterSize; |
| const int chrDstY= dstY>>c->chrDstVSubSample; |
| const int firstLumSrcY= vLumFilterPos[dstY]; //First line needed as input |
| const int firstChrSrcY= vChrFilterPos[chrDstY]; //First line needed as input |
| |
| c->blueDither= ff_dither8[dstY&1]; |
| if (c->dstFormat == PIX_FMT_RGB555 || c->dstFormat == PIX_FMT_BGR555) |
| c->greenDither= ff_dither8[dstY&1]; |
| else |
| c->greenDither= ff_dither4[dstY&1]; |
| c->redDither= ff_dither8[(dstY+1)&1]; |
| if (dstY < dstH - 2) { |
| const int16_t **lumSrcPtr= (const int16_t **) lumPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize; |
| const int16_t **chrUSrcPtr= (const int16_t **) chrUPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize; |
| const int16_t **alpSrcPtr= (CONFIG_SWSCALE_ALPHA && alpPixBuf) ? (const int16_t **) alpPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize : NULL; |
| int i; |
| if (flags & SWS_ACCURATE_RND) { |
| int s= APCK_SIZE / 8; |
| for (i=0; i<vLumFilterSize; i+=2) { |
| *(const void**)&lumMmxFilter[s*i ]= lumSrcPtr[i ]; |
| *(const void**)&lumMmxFilter[s*i+APCK_PTR2/4 ]= lumSrcPtr[i+(vLumFilterSize>1)]; |
| lumMmxFilter[s*i+APCK_COEF/4 ]= |
| lumMmxFilter[s*i+APCK_COEF/4+1]= vLumFilter[dstY*vLumFilterSize + i ] |
| + (vLumFilterSize>1 ? vLumFilter[dstY*vLumFilterSize + i + 1]<<16 : 0); |
| if (CONFIG_SWSCALE_ALPHA && alpPixBuf) { |
| *(const void**)&alpMmxFilter[s*i ]= alpSrcPtr[i ]; |
| *(const void**)&alpMmxFilter[s*i+APCK_PTR2/4 ]= alpSrcPtr[i+(vLumFilterSize>1)]; |
| alpMmxFilter[s*i+APCK_COEF/4 ]= |
| alpMmxFilter[s*i+APCK_COEF/4+1]= lumMmxFilter[s*i+APCK_COEF/4 ]; |
| } |
| } |
| for (i=0; i<vChrFilterSize; i+=2) { |
| *(const void**)&chrMmxFilter[s*i ]= chrUSrcPtr[i ]; |
| *(const void**)&chrMmxFilter[s*i+APCK_PTR2/4 ]= chrUSrcPtr[i+(vChrFilterSize>1)]; |
| chrMmxFilter[s*i+APCK_COEF/4 ]= |
| chrMmxFilter[s*i+APCK_COEF/4+1]= vChrFilter[chrDstY*vChrFilterSize + i ] |
| + (vChrFilterSize>1 ? vChrFilter[chrDstY*vChrFilterSize + i + 1]<<16 : 0); |
| } |
| } else { |
| for (i=0; i<vLumFilterSize; i++) { |
| *(const void**)&lumMmxFilter[4*i+0]= lumSrcPtr[i]; |
| lumMmxFilter[4*i+2]= |
| lumMmxFilter[4*i+3]= |
| ((uint16_t)vLumFilter[dstY*vLumFilterSize + i])*0x10001; |
| if (CONFIG_SWSCALE_ALPHA && alpPixBuf) { |
| *(const void**)&alpMmxFilter[4*i+0]= alpSrcPtr[i]; |
| alpMmxFilter[4*i+2]= |
| alpMmxFilter[4*i+3]= lumMmxFilter[4*i+2]; |
| } |
| } |
| for (i=0; i<vChrFilterSize; i++) { |
| *(const void**)&chrMmxFilter[4*i+0]= chrUSrcPtr[i]; |
| chrMmxFilter[4*i+2]= |
| chrMmxFilter[4*i+3]= |
| ((uint16_t)vChrFilter[chrDstY*vChrFilterSize + i])*0x10001; |
| } |
| } |
| } |
| } |
| |
| void ff_sws_init_swScale_mmx(SwsContext *c) |
| { |
| int cpu_flags = av_get_cpu_flags(); |
| |
| if (cpu_flags & AV_CPU_FLAG_MMX) |
| sws_init_swScale_MMX(c); |
| #if HAVE_MMX2 |
| if (cpu_flags & AV_CPU_FLAG_MMX2) |
| sws_init_swScale_MMX2(c); |
| #endif |
| } |
