/* * Copyright (C) 2001-2003 Michael Niedermayer * * This file is part of Libav. * * Libav 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. * * Libav 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 Libav; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /* supported Input formats: YV12, I420/IYUV, YUY2, UYVY, BGR32, BGR32_1, BGR24, BGR16, BGR15, RGB32, RGB32_1, RGB24, Y8/Y800, YVU9/IF09, PAL8 supported output formats: YV12, I420/IYUV, YUY2, UYVY, {BGR,RGB}{1,4,8,15,16,24,32}, Y8/Y800, YVU9/IF09 {BGR,RGB}{1,4,8,15,16} support dithering unscaled special converters (YV12=I420=IYUV, Y800=Y8) YV12 -> {BGR,RGB}{1,4,8,12,15,16,24,32} x -> x YUV9 -> YV12 YUV9/YV12 -> Y800 Y800 -> YUV9/YV12 BGR24 -> BGR32 & RGB24 -> RGB32 BGR32 -> BGR24 & RGB32 -> RGB24 BGR15 -> BGR16 */ /* tested special converters (most are tested actually, but I did not write it down ...) YV12 -> BGR12/BGR16 YV12 -> YV12 BGR15 -> BGR16 BGR16 -> BGR16 YVU9 -> YV12 untested special converters YV12/I420 -> BGR15/BGR24/BGR32 (it is the yuv2rgb stuff, so it should be OK) YV12/I420 -> YV12/I420 YUY2/BGR15/BGR24/BGR32/RGB24/RGB32 -> same format BGR24 -> BGR32 & RGB24 -> RGB32 BGR32 -> BGR24 & RGB32 -> RGB24 BGR24 -> YV12 */ #include #include #include #include #include "config.h" #include #include "swscale.h" #include "swscale_internal.h" #include "rgb2rgb.h" #include "libavutil/intreadwrite.h" #include "libavutil/x86_cpu.h" #include "libavutil/avutil.h" #include "libavutil/mathematics.h" #include "libavutil/bswap.h" #include "libavutil/pixdesc.h" #undef MOVNTQ #undef PAVGB //#undef HAVE_MMX2 //#define HAVE_AMD3DNOW //#undef HAVE_MMX //#undef ARCH_X86 #define DITHER1XBPP #define isPacked(x) ( \ (x)==PIX_FMT_PAL8 \ || (x)==PIX_FMT_YUYV422 \ || (x)==PIX_FMT_UYVY422 \ || (x)==PIX_FMT_Y400A \ || isAnyRGB(x) \ ) #define RGB2YUV_SHIFT 15 #define BY ( (int)(0.114*219/255*(1<BGR scaler */ DECLARE_ALIGNED(8, static const uint8_t, dither_2x2_4)[2][8]={ { 1, 3, 1, 3, 1, 3, 1, 3, }, { 2, 0, 2, 0, 2, 0, 2, 0, }, }; DECLARE_ALIGNED(8, static const uint8_t, dither_2x2_8)[2][8]={ { 6, 2, 6, 2, 6, 2, 6, 2, }, { 0, 4, 0, 4, 0, 4, 0, 4, }, }; DECLARE_ALIGNED(8, const uint8_t, dither_4x4_16)[4][8]={ { 8, 4, 11, 7, 8, 4, 11, 7, }, { 2, 14, 1, 13, 2, 14, 1, 13, }, { 10, 6, 9, 5, 10, 6, 9, 5, }, { 0, 12, 3, 15, 0, 12, 3, 15, }, }; DECLARE_ALIGNED(8, const uint8_t, dither_8x8_32)[8][8]={ { 17, 9, 23, 15, 16, 8, 22, 14, }, { 5, 29, 3, 27, 4, 28, 2, 26, }, { 21, 13, 19, 11, 20, 12, 18, 10, }, { 0, 24, 6, 30, 1, 25, 7, 31, }, { 16, 8, 22, 14, 17, 9, 23, 15, }, { 4, 28, 2, 26, 5, 29, 3, 27, }, { 20, 12, 18, 10, 21, 13, 19, 11, }, { 1, 25, 7, 31, 0, 24, 6, 30, }, }; DECLARE_ALIGNED(8, const uint8_t, dither_8x8_73)[8][8]={ { 0, 55, 14, 68, 3, 58, 17, 72, }, { 37, 18, 50, 32, 40, 22, 54, 35, }, { 9, 64, 5, 59, 13, 67, 8, 63, }, { 46, 27, 41, 23, 49, 31, 44, 26, }, { 2, 57, 16, 71, 1, 56, 15, 70, }, { 39, 21, 52, 34, 38, 19, 51, 33, }, { 11, 66, 7, 62, 10, 65, 6, 60, }, { 48, 30, 43, 25, 47, 29, 42, 24, }, }; #if 1 DECLARE_ALIGNED(8, const uint8_t, dither_8x8_220)[8][8]={ {117, 62, 158, 103, 113, 58, 155, 100, }, { 34, 199, 21, 186, 31, 196, 17, 182, }, {144, 89, 131, 76, 141, 86, 127, 72, }, { 0, 165, 41, 206, 10, 175, 52, 217, }, {110, 55, 151, 96, 120, 65, 162, 107, }, { 28, 193, 14, 179, 38, 203, 24, 189, }, {138, 83, 124, 69, 148, 93, 134, 79, }, { 7, 172, 48, 213, 3, 168, 45, 210, }, }; #elif 1 // tries to correct a gamma of 1.5 DECLARE_ALIGNED(8, const uint8_t, dither_8x8_220)[8][8]={ { 0, 143, 18, 200, 2, 156, 25, 215, }, { 78, 28, 125, 64, 89, 36, 138, 74, }, { 10, 180, 3, 161, 16, 195, 8, 175, }, {109, 51, 93, 38, 121, 60, 105, 47, }, { 1, 152, 23, 210, 0, 147, 20, 205, }, { 85, 33, 134, 71, 81, 30, 130, 67, }, { 14, 190, 6, 171, 12, 185, 5, 166, }, {117, 57, 101, 44, 113, 54, 97, 41, }, }; #elif 1 // tries to correct a gamma of 2.0 DECLARE_ALIGNED(8, const uint8_t, dither_8x8_220)[8][8]={ { 0, 124, 8, 193, 0, 140, 12, 213, }, { 55, 14, 104, 42, 66, 19, 119, 52, }, { 3, 168, 1, 145, 6, 187, 3, 162, }, { 86, 31, 70, 21, 99, 39, 82, 28, }, { 0, 134, 11, 206, 0, 129, 9, 200, }, { 62, 17, 114, 48, 58, 16, 109, 45, }, { 5, 181, 2, 157, 4, 175, 1, 151, }, { 95, 36, 78, 26, 90, 34, 74, 24, }, }; #else // tries to correct a gamma of 2.5 DECLARE_ALIGNED(8, const uint8_t, dither_8x8_220)[8][8]={ { 0, 107, 3, 187, 0, 125, 6, 212, }, { 39, 7, 86, 28, 49, 11, 102, 36, }, { 1, 158, 0, 131, 3, 180, 1, 151, }, { 68, 19, 52, 12, 81, 25, 64, 17, }, { 0, 119, 5, 203, 0, 113, 4, 195, }, { 45, 9, 96, 33, 42, 8, 91, 30, }, { 2, 172, 1, 144, 2, 165, 0, 137, }, { 77, 23, 60, 15, 72, 21, 56, 14, }, }; #endif static av_always_inline void yuv2yuvX16inC_template(const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize, const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize, const int16_t **alpSrc, uint16_t *dest, uint16_t *uDest, uint16_t *vDest, uint16_t *aDest, int dstW, int chrDstW, int big_endian) { //FIXME Optimize (just quickly written not optimized..) int i; for (i = 0; i < dstW; i++) { int val = 1 << 10; int j; for (j = 0; j < lumFilterSize; j++) val += lumSrc[j][i] * lumFilter[j]; if (big_endian) { AV_WB16(&dest[i], av_clip_uint16(val >> 11)); } else { AV_WL16(&dest[i], av_clip_uint16(val >> 11)); } } if (uDest) { for (i = 0; i < chrDstW; i++) { int u = 1 << 10; int v = 1 << 10; int j; for (j = 0; j < chrFilterSize; j++) { u += chrSrc[j][i ] * chrFilter[j]; v += chrSrc[j][i + VOFW] * chrFilter[j]; } if (big_endian) { AV_WB16(&uDest[i], av_clip_uint16(u >> 11)); AV_WB16(&vDest[i], av_clip_uint16(v >> 11)); } else { AV_WL16(&uDest[i], av_clip_uint16(u >> 11)); AV_WL16(&vDest[i], av_clip_uint16(v >> 11)); } } } if (CONFIG_SWSCALE_ALPHA && aDest) { for (i = 0; i < dstW; i++) { int val = 1 << 10; int j; for (j = 0; j < lumFilterSize; j++) val += alpSrc[j][i] * lumFilter[j]; if (big_endian) { AV_WB16(&aDest[i], av_clip_uint16(val >> 11)); } else { AV_WL16(&aDest[i], av_clip_uint16(val >> 11)); } } } } static inline void yuv2yuvX16inC(const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize, const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize, const int16_t **alpSrc, uint16_t *dest, uint16_t *uDest, uint16_t *vDest, uint16_t *aDest, int dstW, int chrDstW, enum PixelFormat dstFormat) { if (isBE(dstFormat)) { yuv2yuvX16inC_template(lumFilter, lumSrc, lumFilterSize, chrFilter, chrSrc, chrFilterSize, alpSrc, dest, uDest, vDest, aDest, dstW, chrDstW, 1); } else { yuv2yuvX16inC_template(lumFilter, lumSrc, lumFilterSize, chrFilter, chrSrc, chrFilterSize, alpSrc, dest, uDest, vDest, aDest, dstW, chrDstW, 0); } } static inline void yuv2yuvXinC(const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize, const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize, const int16_t **alpSrc, uint8_t *dest, uint8_t *uDest, uint8_t *vDest, uint8_t *aDest, int dstW, int chrDstW) { //FIXME Optimize (just quickly written not optimized..) int i; for (i=0; i>19); } if (uDest) for (i=0; i>19); vDest[i]= av_clip_uint8(v>>19); } if (CONFIG_SWSCALE_ALPHA && aDest) for (i=0; i>19); } } static inline void yuv2nv12XinC(const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize, const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize, uint8_t *dest, uint8_t *uDest, int dstW, int chrDstW, int dstFormat) { //FIXME Optimize (just quickly written not optimized..) int i; for (i=0; i>19); } if (!uDest) return; if (dstFormat == PIX_FMT_NV12) for (i=0; i>19); uDest[2*i+1]= av_clip_uint8(v>>19); } else for (i=0; i>19); uDest[2*i+1]= av_clip_uint8(u>>19); } } #define YSCALE_YUV_2_PACKEDX_NOCLIP_C(type,alpha) \ for (i=0; i<(dstW>>1); i++) {\ int j;\ int Y1 = 1<<18;\ int Y2 = 1<<18;\ int U = 1<<18;\ int V = 1<<18;\ int av_unused A1, A2;\ type av_unused *r, *b, *g;\ const int i2= 2*i;\ \ for (j=0; j>=19;\ Y2>>=19;\ U >>=19;\ V >>=19;\ if (alpha) {\ A1 = 1<<18;\ A2 = 1<<18;\ for (j=0; j>=19;\ A2>>=19;\ } #define YSCALE_YUV_2_PACKEDX_C(type,alpha) \ YSCALE_YUV_2_PACKEDX_NOCLIP_C(type,alpha)\ if ((Y1|Y2|U|V)&256) {\ if (Y1>255) Y1=255; \ else if (Y1<0)Y1=0; \ if (Y2>255) Y2=255; \ else if (Y2<0)Y2=0; \ if (U>255) U=255; \ else if (U<0) U=0; \ if (V>255) V=255; \ else if (V<0) V=0; \ }\ if (alpha && ((A1|A2)&256)) {\ A1=av_clip_uint8(A1);\ A2=av_clip_uint8(A2);\ } #define YSCALE_YUV_2_PACKEDX_FULL_C(rnd,alpha) \ for (i=0; i>=10;\ U >>=10;\ V >>=10;\ if (alpha) {\ A = rnd;\ for (j=0; j>=19;\ if (A&256)\ A = av_clip_uint8(A);\ } #define YSCALE_YUV_2_RGBX_FULL_C(rnd,alpha) \ YSCALE_YUV_2_PACKEDX_FULL_C(rnd>>3,alpha)\ Y-= c->yuv2rgb_y_offset;\ Y*= c->yuv2rgb_y_coeff;\ Y+= rnd;\ R= Y + V*c->yuv2rgb_v2r_coeff;\ G= Y + V*c->yuv2rgb_v2g_coeff + U*c->yuv2rgb_u2g_coeff;\ B= Y + U*c->yuv2rgb_u2b_coeff;\ if ((R|G|B)&(0xC0000000)) {\ if (R>=(256<<22)) R=(256<<22)-1; \ else if (R<0)R=0; \ if (G>=(256<<22)) G=(256<<22)-1; \ else if (G<0)G=0; \ if (B>=(256<<22)) B=(256<<22)-1; \ else if (B<0)B=0; \ } #define YSCALE_YUV_2_GRAY16_C \ for (i=0; i<(dstW>>1); i++) {\ int j;\ int Y1 = 1<<18;\ int Y2 = 1<<18;\ int U = 1<<18;\ int V = 1<<18;\ \ const int i2= 2*i;\ \ for (j=0; j>=11;\ Y2>>=11;\ if ((Y1|Y2|U|V)&65536) {\ if (Y1>65535) Y1=65535; \ else if (Y1<0)Y1=0; \ if (Y2>65535) Y2=65535; \ else if (Y2<0)Y2=0; \ } #define YSCALE_YUV_2_RGBX_C(type,alpha) \ YSCALE_YUV_2_PACKEDX_C(type,alpha) /* FIXME fix tables so that clipping is not needed and then use _NOCLIP*/\ r = (type *)c->table_rV[V]; \ g = (type *)(c->table_gU[U] + c->table_gV[V]); \ b = (type *)c->table_bU[U]; #define YSCALE_YUV_2_PACKED2_C(type,alpha) \ for (i=0; i<(dstW>>1); i++) { \ const int i2= 2*i; \ int Y1= (buf0[i2 ]*yalpha1+buf1[i2 ]*yalpha)>>19; \ int Y2= (buf0[i2+1]*yalpha1+buf1[i2+1]*yalpha)>>19; \ int U= (uvbuf0[i ]*uvalpha1+uvbuf1[i ]*uvalpha)>>19; \ int V= (uvbuf0[i+VOFW]*uvalpha1+uvbuf1[i+VOFW]*uvalpha)>>19; \ type av_unused *r, *b, *g; \ int av_unused A1, A2; \ if (alpha) {\ A1= (abuf0[i2 ]*yalpha1+abuf1[i2 ]*yalpha)>>19; \ A2= (abuf0[i2+1]*yalpha1+abuf1[i2+1]*yalpha)>>19; \ } #define YSCALE_YUV_2_GRAY16_2_C \ for (i=0; i<(dstW>>1); i++) { \ const int i2= 2*i; \ int Y1= (buf0[i2 ]*yalpha1+buf1[i2 ]*yalpha)>>11; \ int Y2= (buf0[i2+1]*yalpha1+buf1[i2+1]*yalpha)>>11; #define YSCALE_YUV_2_RGB2_C(type,alpha) \ YSCALE_YUV_2_PACKED2_C(type,alpha)\ r = (type *)c->table_rV[V];\ g = (type *)(c->table_gU[U] + c->table_gV[V]);\ b = (type *)c->table_bU[U]; #define YSCALE_YUV_2_PACKED1_C(type,alpha) \ for (i=0; i<(dstW>>1); i++) {\ const int i2= 2*i;\ int Y1= buf0[i2 ]>>7;\ int Y2= buf0[i2+1]>>7;\ int U= (uvbuf1[i ])>>7;\ int V= (uvbuf1[i+VOFW])>>7;\ type av_unused *r, *b, *g;\ int av_unused A1, A2;\ if (alpha) {\ A1= abuf0[i2 ]>>7;\ A2= abuf0[i2+1]>>7;\ } #define YSCALE_YUV_2_GRAY16_1_C \ for (i=0; i<(dstW>>1); i++) {\ const int i2= 2*i;\ int Y1= buf0[i2 ]<<1;\ int Y2= buf0[i2+1]<<1; #define YSCALE_YUV_2_RGB1_C(type,alpha) \ YSCALE_YUV_2_PACKED1_C(type,alpha)\ r = (type *)c->table_rV[V];\ g = (type *)(c->table_gU[U] + c->table_gV[V]);\ b = (type *)c->table_bU[U]; #define YSCALE_YUV_2_PACKED1B_C(type,alpha) \ for (i=0; i<(dstW>>1); i++) {\ const int i2= 2*i;\ int Y1= buf0[i2 ]>>7;\ int Y2= buf0[i2+1]>>7;\ int U= (uvbuf0[i ] + uvbuf1[i ])>>8;\ int V= (uvbuf0[i+VOFW] + uvbuf1[i+VOFW])>>8;\ type av_unused *r, *b, *g;\ int av_unused A1, A2;\ if (alpha) {\ A1= abuf0[i2 ]>>7;\ A2= abuf0[i2+1]>>7;\ } #define YSCALE_YUV_2_RGB1B_C(type,alpha) \ YSCALE_YUV_2_PACKED1B_C(type,alpha)\ r = (type *)c->table_rV[V];\ g = (type *)(c->table_gU[U] + c->table_gV[V]);\ b = (type *)c->table_bU[U]; #define YSCALE_YUV_2_MONO2_C \ const uint8_t * const d128=dither_8x8_220[y&7];\ uint8_t *g= c->table_gU[128] + c->table_gV[128];\ for (i=0; i>19) + d128[0]];\ acc+= acc + g[((buf0[i+1]*yalpha1+buf1[i+1]*yalpha)>>19) + d128[1]];\ acc+= acc + g[((buf0[i+2]*yalpha1+buf1[i+2]*yalpha)>>19) + d128[2]];\ acc+= acc + g[((buf0[i+3]*yalpha1+buf1[i+3]*yalpha)>>19) + d128[3]];\ acc+= acc + g[((buf0[i+4]*yalpha1+buf1[i+4]*yalpha)>>19) + d128[4]];\ acc+= acc + g[((buf0[i+5]*yalpha1+buf1[i+5]*yalpha)>>19) + d128[5]];\ acc+= acc + g[((buf0[i+6]*yalpha1+buf1[i+6]*yalpha)>>19) + d128[6]];\ acc+= acc + g[((buf0[i+7]*yalpha1+buf1[i+7]*yalpha)>>19) + d128[7]];\ ((uint8_t*)dest)[0]= c->dstFormat == PIX_FMT_MONOBLACK ? acc : ~acc;\ dest++;\ } #define YSCALE_YUV_2_MONOX_C \ const uint8_t * const d128=dither_8x8_220[y&7];\ uint8_t *g= c->table_gU[128] + c->table_gV[128];\ int acc=0;\ for (i=0; i>=19;\ Y2>>=19;\ if ((Y1|Y2)&256) {\ if (Y1>255) Y1=255;\ else if (Y1<0)Y1=0;\ if (Y2>255) Y2=255;\ else if (Y2<0)Y2=0;\ }\ acc+= acc + g[Y1+d128[(i+0)&7]];\ acc+= acc + g[Y2+d128[(i+1)&7]];\ if ((i&7)==6) {\ ((uint8_t*)dest)[0]= c->dstFormat == PIX_FMT_MONOBLACK ? acc : ~acc;\ dest++;\ }\ } #define YSCALE_YUV_2_ANYRGB_C(func, func2, func_g16, func_monoblack)\ switch(c->dstFormat) {\ case PIX_FMT_RGB48BE:\ case PIX_FMT_RGB48LE:\ func(uint8_t,0)\ ((uint8_t*)dest)[ 0]= r[Y1];\ ((uint8_t*)dest)[ 1]= r[Y1];\ ((uint8_t*)dest)[ 2]= g[Y1];\ ((uint8_t*)dest)[ 3]= g[Y1];\ ((uint8_t*)dest)[ 4]= b[Y1];\ ((uint8_t*)dest)[ 5]= b[Y1];\ ((uint8_t*)dest)[ 6]= r[Y2];\ ((uint8_t*)dest)[ 7]= r[Y2];\ ((uint8_t*)dest)[ 8]= g[Y2];\ ((uint8_t*)dest)[ 9]= g[Y2];\ ((uint8_t*)dest)[10]= b[Y2];\ ((uint8_t*)dest)[11]= b[Y2];\ dest+=12;\ }\ break;\ case PIX_FMT_RGBA:\ case PIX_FMT_BGRA:\ if (CONFIG_SMALL) {\ int needAlpha = CONFIG_SWSCALE_ALPHA && c->alpPixBuf;\ func(uint32_t,needAlpha)\ ((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1] + (needAlpha ? (A1<<24) : 0);\ ((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2] + (needAlpha ? (A2<<24) : 0);\ }\ } else {\ if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {\ func(uint32_t,1)\ ((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1] + (A1<<24);\ ((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2] + (A2<<24);\ }\ } else {\ func(uint32_t,0)\ ((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1];\ ((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2];\ }\ }\ }\ break;\ case PIX_FMT_ARGB:\ case PIX_FMT_ABGR:\ if (CONFIG_SMALL) {\ int needAlpha = CONFIG_SWSCALE_ALPHA && c->alpPixBuf;\ func(uint32_t,needAlpha)\ ((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1] + (needAlpha ? A1 : 0);\ ((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2] + (needAlpha ? A2 : 0);\ }\ } else {\ if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {\ func(uint32_t,1)\ ((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1] + A1;\ ((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2] + A2;\ }\ } else {\ func(uint32_t,0)\ ((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1];\ ((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2];\ }\ }\ } \ break;\ case PIX_FMT_RGB24:\ func(uint8_t,0)\ ((uint8_t*)dest)[0]= r[Y1];\ ((uint8_t*)dest)[1]= g[Y1];\ ((uint8_t*)dest)[2]= b[Y1];\ ((uint8_t*)dest)[3]= r[Y2];\ ((uint8_t*)dest)[4]= g[Y2];\ ((uint8_t*)dest)[5]= b[Y2];\ dest+=6;\ }\ break;\ case PIX_FMT_BGR24:\ func(uint8_t,0)\ ((uint8_t*)dest)[0]= b[Y1];\ ((uint8_t*)dest)[1]= g[Y1];\ ((uint8_t*)dest)[2]= r[Y1];\ ((uint8_t*)dest)[3]= b[Y2];\ ((uint8_t*)dest)[4]= g[Y2];\ ((uint8_t*)dest)[5]= r[Y2];\ dest+=6;\ }\ break;\ case PIX_FMT_RGB565BE:\ case PIX_FMT_RGB565LE:\ case PIX_FMT_BGR565BE:\ case PIX_FMT_BGR565LE:\ {\ const int dr1= dither_2x2_8[y&1 ][0];\ const int dg1= dither_2x2_4[y&1 ][0];\ const int db1= dither_2x2_8[(y&1)^1][0];\ const int dr2= dither_2x2_8[y&1 ][1];\ const int dg2= dither_2x2_4[y&1 ][1];\ const int db2= dither_2x2_8[(y&1)^1][1];\ func(uint16_t,0)\ ((uint16_t*)dest)[i2+0]= r[Y1+dr1] + g[Y1+dg1] + b[Y1+db1];\ ((uint16_t*)dest)[i2+1]= r[Y2+dr2] + g[Y2+dg2] + b[Y2+db2];\ }\ }\ break;\ case PIX_FMT_RGB555BE:\ case PIX_FMT_RGB555LE:\ case PIX_FMT_BGR555BE:\ case PIX_FMT_BGR555LE:\ {\ const int dr1= dither_2x2_8[y&1 ][0];\ const int dg1= dither_2x2_8[y&1 ][1];\ const int db1= dither_2x2_8[(y&1)^1][0];\ const int dr2= dither_2x2_8[y&1 ][1];\ const int dg2= dither_2x2_8[y&1 ][0];\ const int db2= dither_2x2_8[(y&1)^1][1];\ func(uint16_t,0)\ ((uint16_t*)dest)[i2+0]= r[Y1+dr1] + g[Y1+dg1] + b[Y1+db1];\ ((uint16_t*)dest)[i2+1]= r[Y2+dr2] + g[Y2+dg2] + b[Y2+db2];\ }\ }\ break;\ case PIX_FMT_RGB444BE:\ case PIX_FMT_RGB444LE:\ case PIX_FMT_BGR444BE:\ case PIX_FMT_BGR444LE:\ {\ const int dr1= dither_4x4_16[y&3 ][0];\ const int dg1= dither_4x4_16[y&3 ][1];\ const int db1= dither_4x4_16[(y&3)^3][0];\ const int dr2= dither_4x4_16[y&3 ][1];\ const int dg2= dither_4x4_16[y&3 ][0];\ const int db2= dither_4x4_16[(y&3)^3][1];\ func(uint16_t,0)\ ((uint16_t*)dest)[i2+0]= r[Y1+dr1] + g[Y1+dg1] + b[Y1+db1];\ ((uint16_t*)dest)[i2+1]= r[Y2+dr2] + g[Y2+dg2] + b[Y2+db2];\ }\ }\ break;\ case PIX_FMT_RGB8:\ case PIX_FMT_BGR8:\ {\ const uint8_t * const d64= dither_8x8_73[y&7];\ const uint8_t * const d32= dither_8x8_32[y&7];\ func(uint8_t,0)\ ((uint8_t*)dest)[i2+0]= r[Y1+d32[(i2+0)&7]] + g[Y1+d32[(i2+0)&7]] + b[Y1+d64[(i2+0)&7]];\ ((uint8_t*)dest)[i2+1]= r[Y2+d32[(i2+1)&7]] + g[Y2+d32[(i2+1)&7]] + b[Y2+d64[(i2+1)&7]];\ }\ }\ break;\ case PIX_FMT_RGB4:\ case PIX_FMT_BGR4:\ {\ const uint8_t * const d64= dither_8x8_73 [y&7];\ const uint8_t * const d128=dither_8x8_220[y&7];\ func(uint8_t,0)\ ((uint8_t*)dest)[i]= r[Y1+d128[(i2+0)&7]] + g[Y1+d64[(i2+0)&7]] + b[Y1+d128[(i2+0)&7]]\ + ((r[Y2+d128[(i2+1)&7]] + g[Y2+d64[(i2+1)&7]] + b[Y2+d128[(i2+1)&7]])<<4);\ }\ }\ break;\ case PIX_FMT_RGB4_BYTE:\ case PIX_FMT_BGR4_BYTE:\ {\ const uint8_t * const d64= dither_8x8_73 [y&7];\ const uint8_t * const d128=dither_8x8_220[y&7];\ func(uint8_t,0)\ ((uint8_t*)dest)[i2+0]= r[Y1+d128[(i2+0)&7]] + g[Y1+d64[(i2+0)&7]] + b[Y1+d128[(i2+0)&7]];\ ((uint8_t*)dest)[i2+1]= r[Y2+d128[(i2+1)&7]] + g[Y2+d64[(i2+1)&7]] + b[Y2+d128[(i2+1)&7]];\ }\ }\ break;\ case PIX_FMT_MONOBLACK:\ case PIX_FMT_MONOWHITE:\ {\ func_monoblack\ }\ break;\ case PIX_FMT_YUYV422:\ func2\ ((uint8_t*)dest)[2*i2+0]= Y1;\ ((uint8_t*)dest)[2*i2+1]= U;\ ((uint8_t*)dest)[2*i2+2]= Y2;\ ((uint8_t*)dest)[2*i2+3]= V;\ } \ break;\ case PIX_FMT_UYVY422:\ func2\ ((uint8_t*)dest)[2*i2+0]= U;\ ((uint8_t*)dest)[2*i2+1]= Y1;\ ((uint8_t*)dest)[2*i2+2]= V;\ ((uint8_t*)dest)[2*i2+3]= Y2;\ } \ break;\ case PIX_FMT_GRAY16BE:\ func_g16\ ((uint8_t*)dest)[2*i2+0]= Y1>>8;\ ((uint8_t*)dest)[2*i2+1]= Y1;\ ((uint8_t*)dest)[2*i2+2]= Y2>>8;\ ((uint8_t*)dest)[2*i2+3]= Y2;\ } \ break;\ case PIX_FMT_GRAY16LE:\ func_g16\ ((uint8_t*)dest)[2*i2+0]= Y1;\ ((uint8_t*)dest)[2*i2+1]= Y1>>8;\ ((uint8_t*)dest)[2*i2+2]= Y2;\ ((uint8_t*)dest)[2*i2+3]= Y2>>8;\ } \ break;\ } static inline void yuv2packedXinC(SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize, const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize, const int16_t **alpSrc, uint8_t *dest, int dstW, int y) { int i; YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGBX_C, YSCALE_YUV_2_PACKEDX_C(void,0), YSCALE_YUV_2_GRAY16_C, YSCALE_YUV_2_MONOX_C) } static inline void yuv2rgbXinC_full(SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize, const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize, const int16_t **alpSrc, uint8_t *dest, int dstW, int y) { int i; int step= c->dstFormatBpp/8; int aidx= 3; switch(c->dstFormat) { case PIX_FMT_ARGB: dest++; aidx= 0; case PIX_FMT_RGB24: aidx--; case PIX_FMT_RGBA: if (CONFIG_SMALL) { int needAlpha = CONFIG_SWSCALE_ALPHA && c->alpPixBuf; YSCALE_YUV_2_RGBX_FULL_C(1<<21, needAlpha) dest[aidx]= needAlpha ? A : 255; dest[0]= R>>22; dest[1]= G>>22; dest[2]= B>>22; dest+= step; } } else { if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) { YSCALE_YUV_2_RGBX_FULL_C(1<<21, 1) dest[aidx]= A; dest[0]= R>>22; dest[1]= G>>22; dest[2]= B>>22; dest+= step; } } else { YSCALE_YUV_2_RGBX_FULL_C(1<<21, 0) dest[aidx]= 255; dest[0]= R>>22; dest[1]= G>>22; dest[2]= B>>22; dest+= step; } } } break; case PIX_FMT_ABGR: dest++; aidx= 0; case PIX_FMT_BGR24: aidx--; case PIX_FMT_BGRA: if (CONFIG_SMALL) { int needAlpha = CONFIG_SWSCALE_ALPHA && c->alpPixBuf; YSCALE_YUV_2_RGBX_FULL_C(1<<21, needAlpha) dest[aidx]= needAlpha ? A : 255; dest[0]= B>>22; dest[1]= G>>22; dest[2]= R>>22; dest+= step; } } else { if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) { YSCALE_YUV_2_RGBX_FULL_C(1<<21, 1) dest[aidx]= A; dest[0]= B>>22; dest[1]= G>>22; dest[2]= R>>22; dest+= step; } } else { YSCALE_YUV_2_RGBX_FULL_C(1<<21, 0) dest[aidx]= 255; dest[0]= B>>22; dest[1]= G>>22; dest[2]= R>>22; dest+= step; } } } break; default: assert(0); } } static void fillPlane(uint8_t* plane, int stride, int width, int height, int y, uint8_t val) { int i; uint8_t *ptr = plane + stride*y; for (i=0; i> RGB2YUV_SHIFT; } } static inline void rgb48ToUV(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1, const uint8_t *src2, long width, uint32_t *unused) { int i; assert(src1==src2); for (i = 0; i < width; i++) { int r = src1[6*i + 0]; int g = src1[6*i + 2]; int b = src1[6*i + 4]; dstU[i] = (RU*r + GU*g + BU*b + (257<<(RGB2YUV_SHIFT-1))) >> RGB2YUV_SHIFT; dstV[i] = (RV*r + GV*g + BV*b + (257<<(RGB2YUV_SHIFT-1))) >> RGB2YUV_SHIFT; } } static inline void rgb48ToUV_half(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1, const uint8_t *src2, long width, uint32_t *unused) { int i; assert(src1==src2); for (i = 0; i < width; i++) { int r= src1[12*i + 0] + src1[12*i + 6]; int g= src1[12*i + 2] + src1[12*i + 8]; int b= src1[12*i + 4] + src1[12*i + 10]; dstU[i]= (RU*r + GU*g + BU*b + (257<> (RGB2YUV_SHIFT+1); dstV[i]= (RV*r + GV*g + BV*b + (257<> (RGB2YUV_SHIFT+1); } } #define BGR2Y(type, name, shr, shg, shb, maskr, maskg, maskb, RY, GY, BY, S)\ static inline void name(uint8_t *dst, const uint8_t *src, long width, uint32_t *unused)\ {\ int i;\ for (i=0; i>shb)&maskb;\ int g= (((const type*)src)[i]>>shg)&maskg;\ int r= (((const type*)src)[i]>>shr)&maskr;\ \ dst[i]= (((RY)*r + (GY)*g + (BY)*b + (33<<((S)-1)))>>(S));\ }\ } BGR2Y(uint32_t, bgr32ToY,16, 0, 0, 0x00FF, 0xFF00, 0x00FF, RY<< 8, GY , BY<< 8, RGB2YUV_SHIFT+8) BGR2Y(uint32_t,bgr321ToY,16,16, 0, 0xFF00, 0x00FF, 0xFF00, RY , GY<<8, BY , RGB2YUV_SHIFT+8) BGR2Y(uint32_t, rgb32ToY, 0, 0,16, 0x00FF, 0xFF00, 0x00FF, RY<< 8, GY , BY<< 8, RGB2YUV_SHIFT+8) BGR2Y(uint32_t,rgb321ToY, 0,16,16, 0xFF00, 0x00FF, 0xFF00, RY , GY<<8, BY , RGB2YUV_SHIFT+8) BGR2Y(uint16_t, bgr16ToY, 0, 0, 0, 0x001F, 0x07E0, 0xF800, RY<<11, GY<<5, BY , RGB2YUV_SHIFT+8) BGR2Y(uint16_t, bgr15ToY, 0, 0, 0, 0x001F, 0x03E0, 0x7C00, RY<<10, GY<<5, BY , RGB2YUV_SHIFT+7) BGR2Y(uint16_t, rgb16ToY, 0, 0, 0, 0xF800, 0x07E0, 0x001F, RY , GY<<5, BY<<11, RGB2YUV_SHIFT+8) BGR2Y(uint16_t, rgb15ToY, 0, 0, 0, 0x7C00, 0x03E0, 0x001F, RY , GY<<5, BY<<10, RGB2YUV_SHIFT+7) static inline void abgrToA(uint8_t *dst, const uint8_t *src, long width, uint32_t *unused) { int i; for (i=0; i>shp)&maskb)>>shb;\ int g= ((((const type*)src)[i]>>shp)&maskg)>>shg;\ int r= ((((const type*)src)[i]>>shp)&maskr)>>shr;\ \ dstU[i]= ((RU)*r + (GU)*g + (BU)*b + (257<<((S)-1)))>>(S);\ dstV[i]= ((RV)*r + (GV)*g + (BV)*b + (257<<((S)-1)))>>(S);\ }\ }\ static inline void name ## _half(uint8_t *dstU, uint8_t *dstV, const uint8_t *src, const uint8_t *dummy, long width, uint32_t *unused)\ {\ int i;\ for (i=0; i>shp;\ int pix1= ((const type*)src)[2*i+1]>>shp;\ int g= (pix0&~(maskr|maskb))+(pix1&~(maskr|maskb));\ int b= ((pix0+pix1-g)&(maskb|(2*maskb)))>>shb;\ int r= ((pix0+pix1-g)&(maskr|(2*maskr)))>>shr;\ g&= maskg|(2*maskg);\ \ g>>=shg;\ \ dstU[i]= ((RU)*r + (GU)*g + (BU)*b + (257<<(S)))>>((S)+1);\ dstV[i]= ((RV)*r + (GV)*g + (BV)*b + (257<<(S)))>>((S)+1);\ }\ } BGR2UV(uint32_t, bgr32ToUV,16, 0, 0, 0, 0xFF0000, 0xFF00, 0x00FF, RU<< 8, GU , BU<< 8, RV<< 8, GV , BV<< 8, RGB2YUV_SHIFT+8) BGR2UV(uint32_t,bgr321ToUV,16, 0, 0, 8, 0xFF0000, 0xFF00, 0x00FF, RU<< 8, GU , BU<< 8, RV<< 8, GV , BV<< 8, RGB2YUV_SHIFT+8) BGR2UV(uint32_t, rgb32ToUV, 0, 0,16, 0, 0x00FF, 0xFF00, 0xFF0000, RU<< 8, GU , BU<< 8, RV<< 8, GV , BV<< 8, RGB2YUV_SHIFT+8) BGR2UV(uint32_t,rgb321ToUV, 0, 0,16, 8, 0x00FF, 0xFF00, 0xFF0000, RU<< 8, GU , BU<< 8, RV<< 8, GV , BV<< 8, RGB2YUV_SHIFT+8) BGR2UV(uint16_t, bgr16ToUV, 0, 0, 0, 0, 0x001F, 0x07E0, 0xF800, RU<<11, GU<<5, BU , RV<<11, GV<<5, BV , RGB2YUV_SHIFT+8) BGR2UV(uint16_t, bgr15ToUV, 0, 0, 0, 0, 0x001F, 0x03E0, 0x7C00, RU<<10, GU<<5, BU , RV<<10, GV<<5, BV , RGB2YUV_SHIFT+7) BGR2UV(uint16_t, rgb16ToUV, 0, 0, 0, 0, 0xF800, 0x07E0, 0x001F, RU , GU<<5, BU<<11, RV , GV<<5, BV<<11, RGB2YUV_SHIFT+8) BGR2UV(uint16_t, rgb15ToUV, 0, 0, 0, 0, 0x7C00, 0x03E0, 0x001F, RU , GU<<5, BU<<10, RV , GV<<5, BV<<10, RGB2YUV_SHIFT+7) static inline void palToY(uint8_t *dst, const uint8_t *src, long width, uint32_t *pal) { int i; for (i=0; i>8; dstV[i]= p>>16; } } static inline void monowhite2Y(uint8_t *dst, const uint8_t *src, long width, uint32_t *unused) { int i, j; for (i=0; i>(7-j))&1)*255; } } static inline void monoblack2Y(uint8_t *dst, const uint8_t *src, long width, uint32_t *unused) { int i, j; for (i=0; i>(7-j))&1)*255; } } //Note: we have C, MMX, MMX2, 3DNOW versions, there is no 3DNOW+MMX2 one //Plain C versions #if CONFIG_RUNTIME_CPUDETECT # define COMPILE_C 1 # if ARCH_X86 # define COMPILE_MMX HAVE_MMX # define COMPILE_MMX2 HAVE_MMX2 # define COMPILE_3DNOW HAVE_AMD3DNOW # elif ARCH_PPC # define COMPILE_ALTIVEC HAVE_ALTIVEC # endif #else /* CONFIG_RUNTIME_CPUDETECT */ # if ARCH_X86 # if HAVE_MMX2 # define COMPILE_MMX2 1 # elif HAVE_AMD3DNOW # define COMPILE_3DNOW 1 # elif HAVE_MMX # define COMPILE_MMX 1 # else # define COMPILE_C 1 # endif # elif ARCH_PPC && HAVE_ALTIVEC # define COMPILE_ALTIVEC 1 # else # define COMPILE_C 1 # endif #endif #ifndef COMPILE_C # define COMPILE_C 0 #endif #ifndef COMPILE_MMX # define COMPILE_MMX 0 #endif #ifndef COMPILE_MMX2 # define COMPILE_MMX2 0 #endif #ifndef COMPILE_3DNOW # define COMPILE_3DNOW 0 #endif #ifndef COMPILE_ALTIVEC # define COMPILE_ALTIVEC 0 #endif #define COMPILE_TEMPLATE_MMX 0 #define COMPILE_TEMPLATE_MMX2 0 #define COMPILE_TEMPLATE_AMD3DNOW 0 #define COMPILE_TEMPLATE_ALTIVEC 0 #include "swscale_template.c" #if COMPILE_ALTIVEC #undef RENAME #undef COMPILE_TEMPLATE_ALTIVEC #define COMPILE_TEMPLATE_ALTIVEC 1 #define RENAME(a) a ## _altivec #include "ppc/swscale_template.c" #endif #if ARCH_X86 //MMX versions #if COMPILE_MMX #undef RENAME #undef COMPILE_TEMPLATE_MMX #undef COMPILE_TEMPLATE_MMX2 #undef COMPILE_TEMPLATE_AMD3DNOW #define COMPILE_TEMPLATE_MMX 1 #define COMPILE_TEMPLATE_MMX2 0 #define COMPILE_TEMPLATE_AMD3DNOW 0 #define RENAME(a) a ## _MMX #include "x86/swscale_template.c" #endif //MMX2 versions #if COMPILE_MMX2 #undef RENAME #undef COMPILE_TEMPLATE_MMX #undef COMPILE_TEMPLATE_MMX2 #undef COMPILE_TEMPLATE_AMD3DNOW #define COMPILE_TEMPLATE_MMX 1 #define COMPILE_TEMPLATE_MMX2 1 #define COMPILE_TEMPLATE_AMD3DNOW 0 #define RENAME(a) a ## _MMX2 #include "x86/swscale_template.c" #endif //3DNOW versions #if COMPILE_3DNOW #undef RENAME #undef COMPILE_TEMPLATE_MMX #undef COMPILE_TEMPLATE_MMX2 #undef COMPILE_TEMPLATE_AMD3DNOW #define COMPILE_TEMPLATE_MMX 1 #define COMPILE_TEMPLATE_MMX2 0 #define COMPILE_TEMPLATE_AMD3DNOW 1 #define RENAME(a) a ## _3DNow #include "x86/swscale_template.c" #endif #endif //ARCH_X86 SwsFunc ff_getSwsFunc(SwsContext *c) { sws_init_swScale_c(c); #if CONFIG_RUNTIME_CPUDETECT int flags = c->flags; #if ARCH_X86 // ordered per speed fastest first if (flags & SWS_CPU_CAPS_MMX2) { sws_init_swScale_MMX2(c); return swScale_MMX2; } else if (flags & SWS_CPU_CAPS_3DNOW) { sws_init_swScale_3DNow(c); return swScale_3DNow; } else if (flags & SWS_CPU_CAPS_MMX) { sws_init_swScale_MMX(c); return swScale_MMX; } #else #if COMPILE_ALTIVEC if (flags & SWS_CPU_CAPS_ALTIVEC) { sws_init_swScale_altivec(c); return swScale_altivec; } #endif #endif /* ARCH_X86 */ #else //CONFIG_RUNTIME_CPUDETECT #if COMPILE_TEMPLATE_MMX2 sws_init_swScale_MMX2(c); return swScale_MMX2; #elif COMPILE_TEMPLATE_AMD3DNOW sws_init_swScale_3DNow(c); return swScale_3DNow; #elif COMPILE_TEMPLATE_MMX sws_init_swScale_MMX(c); return swScale_MMX; #elif COMPILE_TEMPLATE_ALTIVEC sws_init_swScale_altivec(c); return swScale_altivec; #endif #endif //!CONFIG_RUNTIME_CPUDETECT return swScale_c; } static void copyPlane(const uint8_t *src, int srcStride, int srcSliceY, int srcSliceH, int width, uint8_t *dst, int dstStride) { dst += dstStride * srcSliceY; if (dstStride == srcStride && srcStride > 0) { memcpy(dst, src, srcSliceH * dstStride); } else { int i; for (i=0; isrcW, dstParam[0], dstStride[0]); if (c->dstFormat == PIX_FMT_NV12) interleaveBytes(src[1], src[2], dst, c->srcW/2, srcSliceH/2, srcStride[1], srcStride[2], dstStride[0]); else interleaveBytes(src[2], src[1], dst, c->srcW/2, srcSliceH/2, srcStride[2], srcStride[1], dstStride[0]); return srcSliceH; } static int planarToYuy2Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t* dstParam[], int dstStride[]) { uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY; yv12toyuy2(src[0], src[1], src[2], dst, c->srcW, srcSliceH, srcStride[0], srcStride[1], dstStride[0]); return srcSliceH; } static int planarToUyvyWrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t* dstParam[], int dstStride[]) { uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY; yv12touyvy(src[0], src[1], src[2], dst, c->srcW, srcSliceH, srcStride[0], srcStride[1], dstStride[0]); return srcSliceH; } static int yuv422pToYuy2Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t* dstParam[], int dstStride[]) { uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY; yuv422ptoyuy2(src[0],src[1],src[2],dst,c->srcW,srcSliceH,srcStride[0],srcStride[1],dstStride[0]); return srcSliceH; } static int yuv422pToUyvyWrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t* dstParam[], int dstStride[]) { uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY; yuv422ptouyvy(src[0],src[1],src[2],dst,c->srcW,srcSliceH,srcStride[0],srcStride[1],dstStride[0]); return srcSliceH; } static int yuyvToYuv420Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t* dstParam[], int dstStride[]) { uint8_t *ydst=dstParam[0] + dstStride[0]*srcSliceY; uint8_t *udst=dstParam[1] + dstStride[1]*srcSliceY/2; uint8_t *vdst=dstParam[2] + dstStride[2]*srcSliceY/2; yuyvtoyuv420(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0], dstStride[1], srcStride[0]); if (dstParam[3]) fillPlane(dstParam[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255); return srcSliceH; } static int yuyvToYuv422Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t* dstParam[], int dstStride[]) { uint8_t *ydst=dstParam[0] + dstStride[0]*srcSliceY; uint8_t *udst=dstParam[1] + dstStride[1]*srcSliceY; uint8_t *vdst=dstParam[2] + dstStride[2]*srcSliceY; yuyvtoyuv422(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0], dstStride[1], srcStride[0]); return srcSliceH; } static int uyvyToYuv420Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t* dstParam[], int dstStride[]) { uint8_t *ydst=dstParam[0] + dstStride[0]*srcSliceY; uint8_t *udst=dstParam[1] + dstStride[1]*srcSliceY/2; uint8_t *vdst=dstParam[2] + dstStride[2]*srcSliceY/2; uyvytoyuv420(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0], dstStride[1], srcStride[0]); if (dstParam[3]) fillPlane(dstParam[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255); return srcSliceH; } static int uyvyToYuv422Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t* dstParam[], int dstStride[]) { uint8_t *ydst=dstParam[0] + dstStride[0]*srcSliceY; uint8_t *udst=dstParam[1] + dstStride[1]*srcSliceY; uint8_t *vdst=dstParam[2] + dstStride[2]*srcSliceY; uyvytoyuv422(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0], dstStride[1], srcStride[0]); return srcSliceH; } static void gray8aToPacked32(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette) { long i; for (i=0; isrcFormat; const enum PixelFormat dstFormat= c->dstFormat; void (*conv)(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)=NULL; int i; uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY; const uint8_t *srcPtr= src[0]; if (srcFormat == PIX_FMT_Y400A) { switch (dstFormat) { case PIX_FMT_RGB32 : conv = gray8aToPacked32; break; case PIX_FMT_BGR32 : conv = gray8aToPacked32; break; case PIX_FMT_BGR32_1: conv = gray8aToPacked32_1; break; case PIX_FMT_RGB32_1: conv = gray8aToPacked32_1; break; case PIX_FMT_RGB24 : conv = gray8aToPacked24; break; case PIX_FMT_BGR24 : conv = gray8aToPacked24; break; } } else if (usePal(srcFormat)) { switch (dstFormat) { case PIX_FMT_RGB32 : conv = sws_convertPalette8ToPacked32; break; case PIX_FMT_BGR32 : conv = sws_convertPalette8ToPacked32; break; case PIX_FMT_BGR32_1: conv = sws_convertPalette8ToPacked32; break; case PIX_FMT_RGB32_1: conv = sws_convertPalette8ToPacked32; break; case PIX_FMT_RGB24 : conv = sws_convertPalette8ToPacked24; break; case PIX_FMT_BGR24 : conv = sws_convertPalette8ToPacked24; break; } } if (!conv) av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n", sws_format_name(srcFormat), sws_format_name(dstFormat)); else { for (i=0; isrcW, (uint8_t *) c->pal_rgb); srcPtr+= srcStride[0]; dstPtr+= dstStride[0]; } } return srcSliceH; } #define isRGBA32(x) ( \ (x) == PIX_FMT_ARGB \ || (x) == PIX_FMT_RGBA \ || (x) == PIX_FMT_BGRA \ || (x) == PIX_FMT_ABGR \ ) /* {RGB,BGR}{15,16,24,32,32_1} -> {RGB,BGR}{15,16,24,32} */ static int rgbToRgbWrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t* dst[], int dstStride[]) { const enum PixelFormat srcFormat= c->srcFormat; const enum PixelFormat dstFormat= c->dstFormat; const int srcBpp= (c->srcFormatBpp + 7) >> 3; const int dstBpp= (c->dstFormatBpp + 7) >> 3; const int srcId= c->srcFormatBpp >> 2; /* 1:0, 4:1, 8:2, 15:3, 16:4, 24:6, 32:8 */ const int dstId= c->dstFormatBpp >> 2; void (*conv)(const uint8_t *src, uint8_t *dst, long src_size)=NULL; #define CONV_IS(src, dst) (srcFormat == PIX_FMT_##src && dstFormat == PIX_FMT_##dst) if (isRGBA32(srcFormat) && isRGBA32(dstFormat)) { if ( CONV_IS(ABGR, RGBA) || CONV_IS(ARGB, BGRA) || CONV_IS(BGRA, ARGB) || CONV_IS(RGBA, ABGR)) conv = shuffle_bytes_3210; else if (CONV_IS(ABGR, ARGB) || CONV_IS(ARGB, ABGR)) conv = shuffle_bytes_0321; else if (CONV_IS(ABGR, BGRA) || CONV_IS(ARGB, RGBA)) conv = shuffle_bytes_1230; else if (CONV_IS(BGRA, RGBA) || CONV_IS(RGBA, BGRA)) conv = shuffle_bytes_2103; else if (CONV_IS(BGRA, ABGR) || CONV_IS(RGBA, ARGB)) conv = shuffle_bytes_3012; } else /* BGR -> BGR */ if ( (isBGRinInt(srcFormat) && isBGRinInt(dstFormat)) || (isRGBinInt(srcFormat) && isRGBinInt(dstFormat))) { switch(srcId | (dstId<<4)) { case 0x34: conv= rgb16to15; break; case 0x36: conv= rgb24to15; break; case 0x38: conv= rgb32to15; break; case 0x43: conv= rgb15to16; break; case 0x46: conv= rgb24to16; break; case 0x48: conv= rgb32to16; break; case 0x63: conv= rgb15to24; break; case 0x64: conv= rgb16to24; break; case 0x68: conv= rgb32to24; break; case 0x83: conv= rgb15to32; break; case 0x84: conv= rgb16to32; break; case 0x86: conv= rgb24to32; break; } } else if ( (isBGRinInt(srcFormat) && isRGBinInt(dstFormat)) || (isRGBinInt(srcFormat) && isBGRinInt(dstFormat))) { switch(srcId | (dstId<<4)) { case 0x33: conv= rgb15tobgr15; break; case 0x34: conv= rgb16tobgr15; break; case 0x36: conv= rgb24tobgr15; break; case 0x38: conv= rgb32tobgr15; break; case 0x43: conv= rgb15tobgr16; break; case 0x44: conv= rgb16tobgr16; break; case 0x46: conv= rgb24tobgr16; break; case 0x48: conv= rgb32tobgr16; break; case 0x63: conv= rgb15tobgr24; break; case 0x64: conv= rgb16tobgr24; break; case 0x66: conv= rgb24tobgr24; break; case 0x68: conv= rgb32tobgr24; break; case 0x83: conv= rgb15tobgr32; break; case 0x84: conv= rgb16tobgr32; break; case 0x86: conv= rgb24tobgr32; break; } } if (!conv) { av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n", sws_format_name(srcFormat), sws_format_name(dstFormat)); } else { const uint8_t *srcPtr= src[0]; uint8_t *dstPtr= dst[0]; if ((srcFormat == PIX_FMT_RGB32_1 || srcFormat == PIX_FMT_BGR32_1) && !isRGBA32(dstFormat)) srcPtr += ALT32_CORR; if ((dstFormat == PIX_FMT_RGB32_1 || dstFormat == PIX_FMT_BGR32_1) && !isRGBA32(srcFormat)) dstPtr += ALT32_CORR; if (dstStride[0]*srcBpp == srcStride[0]*dstBpp && srcStride[0] > 0) conv(srcPtr, dstPtr + dstStride[0]*srcSliceY, srcSliceH*srcStride[0]); else { int i; dstPtr += dstStride[0]*srcSliceY; for (i=0; isrcW*srcBpp); srcPtr+= srcStride[0]; dstPtr+= dstStride[0]; } } } return srcSliceH; } static int bgr24ToYv12Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t* dst[], int dstStride[]) { rgb24toyv12( src[0], dst[0]+ srcSliceY *dstStride[0], dst[1]+(srcSliceY>>1)*dstStride[1], dst[2]+(srcSliceY>>1)*dstStride[2], c->srcW, srcSliceH, dstStride[0], dstStride[1], srcStride[0]); if (dst[3]) fillPlane(dst[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255); return srcSliceH; } static int yvu9ToYv12Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t* dst[], int dstStride[]) { copyPlane(src[0], srcStride[0], srcSliceY, srcSliceH, c->srcW, dst[0], dstStride[0]); planar2x(src[1], dst[1] + dstStride[1]*(srcSliceY >> 1), c->chrSrcW, srcSliceH >> 2, srcStride[1], dstStride[1]); planar2x(src[2], dst[2] + dstStride[2]*(srcSliceY >> 1), c->chrSrcW, srcSliceH >> 2, srcStride[2], dstStride[2]); if (dst[3]) fillPlane(dst[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255); return srcSliceH; } /* unscaled copy like stuff (assumes nearly identical formats) */ static int packedCopyWrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t* dst[], int dstStride[]) { if (dstStride[0]==srcStride[0] && srcStride[0] > 0) memcpy(dst[0] + dstStride[0]*srcSliceY, src[0], srcSliceH*dstStride[0]); else { int i; const uint8_t *srcPtr= src[0]; uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY; int length=0; /* universal length finder */ while(length+c->srcW <= FFABS(dstStride[0]) && length+c->srcW <= FFABS(srcStride[0])) length+= c->srcW; assert(length!=0); for (i=0; isrcW : -((-c->srcW )>>c->chrDstHSubSample); int y= (plane==0 || plane==3) ? srcSliceY: -((-srcSliceY)>>c->chrDstVSubSample); int height= (plane==0 || plane==3) ? srcSliceH: -((-srcSliceH)>>c->chrDstVSubSample); const uint8_t *srcPtr= src[plane]; uint8_t *dstPtr= dst[plane] + dstStride[plane]*y; if (!dst[plane]) continue; // ignore palette for GRAY8 if (plane == 1 && !dst[2]) continue; if (!src[plane] || (plane == 1 && !src[2])) { if(is16BPS(c->dstFormat)) length*=2; fillPlane(dst[plane], dstStride[plane], length, height, y, (plane==3) ? 255 : 128); } else { if(is16BPS(c->srcFormat) && !is16BPS(c->dstFormat)) { if (!isBE(c->srcFormat)) srcPtr++; for (i=0; isrcFormat) && is16BPS(c->dstFormat)) { for (i=0; isrcFormat) && is16BPS(c->dstFormat) && isBE(c->srcFormat) != isBE(c->dstFormat)) { for (i=0; i 0 && srcStride[plane] == length) { memcpy(dst[plane] + dstStride[plane]*y, src[plane], height*dstStride[plane]); } else { if(is16BPS(c->srcFormat) && is16BPS(c->dstFormat)) length*=2; for (i=0; isrcFormat; const enum PixelFormat dstFormat = c->dstFormat; const int flags = c->flags; const int dstH = c->dstH; int needsDither; needsDither= isAnyRGB(dstFormat) && c->dstFormatBpp < 24 && (c->dstFormatBpp < c->srcFormatBpp || (!isAnyRGB(srcFormat))); /* yv12_to_nv12 */ if ((srcFormat == PIX_FMT_YUV420P || srcFormat == PIX_FMT_YUVA420P) && (dstFormat == PIX_FMT_NV12 || dstFormat == PIX_FMT_NV21)) { c->swScale= planarToNv12Wrapper; } /* yuv2bgr */ if ((srcFormat==PIX_FMT_YUV420P || srcFormat==PIX_FMT_YUV422P || srcFormat==PIX_FMT_YUVA420P) && isAnyRGB(dstFormat) && !(flags & SWS_ACCURATE_RND) && !(dstH&1)) { c->swScale= ff_yuv2rgb_get_func_ptr(c); } if (srcFormat==PIX_FMT_YUV410P && (dstFormat==PIX_FMT_YUV420P || dstFormat==PIX_FMT_YUVA420P) && !(flags & SWS_BITEXACT)) { c->swScale= yvu9ToYv12Wrapper; } /* bgr24toYV12 */ if (srcFormat==PIX_FMT_BGR24 && (dstFormat==PIX_FMT_YUV420P || dstFormat==PIX_FMT_YUVA420P) && !(flags & SWS_ACCURATE_RND)) c->swScale= bgr24ToYv12Wrapper; /* RGB/BGR -> RGB/BGR (no dither needed forms) */ if ( isAnyRGB(srcFormat) && isAnyRGB(dstFormat) && srcFormat != PIX_FMT_BGR8 && dstFormat != PIX_FMT_BGR8 && srcFormat != PIX_FMT_RGB8 && dstFormat != PIX_FMT_RGB8 && srcFormat != PIX_FMT_BGR4 && dstFormat != PIX_FMT_BGR4 && srcFormat != PIX_FMT_RGB4 && dstFormat != PIX_FMT_RGB4 && srcFormat != PIX_FMT_BGR4_BYTE && dstFormat != PIX_FMT_BGR4_BYTE && srcFormat != PIX_FMT_RGB4_BYTE && dstFormat != PIX_FMT_RGB4_BYTE && srcFormat != PIX_FMT_MONOBLACK && dstFormat != PIX_FMT_MONOBLACK && srcFormat != PIX_FMT_MONOWHITE && dstFormat != PIX_FMT_MONOWHITE && srcFormat != PIX_FMT_RGB48LE && dstFormat != PIX_FMT_RGB48LE && srcFormat != PIX_FMT_RGB48BE && dstFormat != PIX_FMT_RGB48BE && (!needsDither || (c->flags&(SWS_FAST_BILINEAR|SWS_POINT)))) c->swScale= rgbToRgbWrapper; if ((usePal(srcFormat) && ( dstFormat == PIX_FMT_RGB32 || dstFormat == PIX_FMT_RGB32_1 || dstFormat == PIX_FMT_RGB24 || dstFormat == PIX_FMT_BGR32 || dstFormat == PIX_FMT_BGR32_1 || dstFormat == PIX_FMT_BGR24))) c->swScale= palToRgbWrapper; if (srcFormat == PIX_FMT_YUV422P) { if (dstFormat == PIX_FMT_YUYV422) c->swScale= yuv422pToYuy2Wrapper; else if (dstFormat == PIX_FMT_UYVY422) c->swScale= yuv422pToUyvyWrapper; } /* LQ converters if -sws 0 or -sws 4*/ if (c->flags&(SWS_FAST_BILINEAR|SWS_POINT)) { /* yv12_to_yuy2 */ if (srcFormat == PIX_FMT_YUV420P || srcFormat == PIX_FMT_YUVA420P) { if (dstFormat == PIX_FMT_YUYV422) c->swScale= planarToYuy2Wrapper; else if (dstFormat == PIX_FMT_UYVY422) c->swScale= planarToUyvyWrapper; } } if(srcFormat == PIX_FMT_YUYV422 && (dstFormat == PIX_FMT_YUV420P || dstFormat == PIX_FMT_YUVA420P)) c->swScale= yuyvToYuv420Wrapper; if(srcFormat == PIX_FMT_UYVY422 && (dstFormat == PIX_FMT_YUV420P || dstFormat == PIX_FMT_YUVA420P)) c->swScale= uyvyToYuv420Wrapper; if(srcFormat == PIX_FMT_YUYV422 && dstFormat == PIX_FMT_YUV422P) c->swScale= yuyvToYuv422Wrapper; if(srcFormat == PIX_FMT_UYVY422 && dstFormat == PIX_FMT_YUV422P) c->swScale= uyvyToYuv422Wrapper; #if COMPILE_ALTIVEC if ((c->flags & SWS_CPU_CAPS_ALTIVEC) && !(c->flags & SWS_BITEXACT) && srcFormat == PIX_FMT_YUV420P) { // unscaled YV12 -> packed YUV, we want speed if (dstFormat == PIX_FMT_YUYV422) c->swScale= yv12toyuy2_unscaled_altivec; else if (dstFormat == PIX_FMT_UYVY422) c->swScale= yv12touyvy_unscaled_altivec; } #endif /* simple copy */ if ( srcFormat == dstFormat || (srcFormat == PIX_FMT_YUVA420P && dstFormat == PIX_FMT_YUV420P) || (srcFormat == PIX_FMT_YUV420P && dstFormat == PIX_FMT_YUVA420P) || (isPlanarYUV(srcFormat) && isGray(dstFormat)) || (isPlanarYUV(dstFormat) && isGray(srcFormat)) || (isGray(dstFormat) && isGray(srcFormat)) || (isPlanarYUV(srcFormat) && isPlanarYUV(dstFormat) && c->chrDstHSubSample == c->chrSrcHSubSample && c->chrDstVSubSample == c->chrSrcVSubSample && dstFormat != PIX_FMT_NV12 && dstFormat != PIX_FMT_NV21 && srcFormat != PIX_FMT_NV12 && srcFormat != PIX_FMT_NV21)) { if (isPacked(c->srcFormat)) c->swScale= packedCopyWrapper; else /* Planar YUV or gray */ c->swScale= planarCopyWrapper; } #if ARCH_BFIN if (flags & SWS_CPU_CAPS_BFIN) ff_bfin_get_unscaled_swscale (c); #endif } static void reset_ptr(const uint8_t* src[], int format) { if(!isALPHA(format)) src[3]=NULL; if(!isPlanarYUV(format)) { src[3]=src[2]=NULL; if (!usePal(format)) src[1]= NULL; } } static int check_image_pointers(uint8_t *data[4], enum PixelFormat pix_fmt, const int linesizes[4]) { const AVPixFmtDescriptor *desc = &av_pix_fmt_descriptors[pix_fmt]; int i; for (i = 0; i < 4; i++) { int plane = desc->comp[i].plane; if (!data[plane] || !linesizes[plane]) return 0; } return 1; } /** * swscale wrapper, so we don't need to export the SwsContext. * Assumes planar YUV to be in YUV order instead of YVU. */ int sws_scale(SwsContext *c, const uint8_t* const src[], const int srcStride[], int srcSliceY, int srcSliceH, uint8_t* const dst[], const int dstStride[]) { int i; const uint8_t* src2[4]= {src[0], src[1], src[2], src[3]}; uint8_t* dst2[4]= {dst[0], dst[1], dst[2], dst[3]}; // do not mess up sliceDir if we have a "trailing" 0-size slice if (srcSliceH == 0) return 0; if (!check_image_pointers(src, c->srcFormat, srcStride)) { av_log(c, AV_LOG_ERROR, "bad src image pointers\n"); return 0; } if (!check_image_pointers(dst, c->dstFormat, dstStride)) { av_log(c, AV_LOG_ERROR, "bad dst image pointers\n"); return 0; } if (c->sliceDir == 0 && srcSliceY != 0 && srcSliceY + srcSliceH != c->srcH) { av_log(c, AV_LOG_ERROR, "Slices start in the middle!\n"); return 0; } if (c->sliceDir == 0) { if (srcSliceY == 0) c->sliceDir = 1; else c->sliceDir = -1; } if (usePal(c->srcFormat)) { for (i=0; i<256; i++) { int p, r, g, b,y,u,v; if(c->srcFormat == PIX_FMT_PAL8) { p=((const uint32_t*)(src[1]))[i]; r= (p>>16)&0xFF; g= (p>> 8)&0xFF; b= p &0xFF; } else if(c->srcFormat == PIX_FMT_RGB8) { r= (i>>5 )*36; g= ((i>>2)&7)*36; b= (i&3 )*85; } else if(c->srcFormat == PIX_FMT_BGR8) { b= (i>>6 )*85; g= ((i>>3)&7)*36; r= (i&7 )*36; } else if(c->srcFormat == PIX_FMT_RGB4_BYTE) { r= (i>>3 )*255; g= ((i>>1)&3)*85; b= (i&1 )*255; } else if(c->srcFormat == PIX_FMT_GRAY8 || c->srcFormat == PIX_FMT_Y400A) { r = g = b = i; } else { assert(c->srcFormat == PIX_FMT_BGR4_BYTE); b= (i>>3 )*255; g= ((i>>1)&3)*85; r= (i&1 )*255; } y= av_clip_uint8((RY*r + GY*g + BY*b + ( 33<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT); u= av_clip_uint8((RU*r + GU*g + BU*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT); v= av_clip_uint8((RV*r + GV*g + BV*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT); c->pal_yuv[i]= y + (u<<8) + (v<<16); switch(c->dstFormat) { case PIX_FMT_BGR32: #if !HAVE_BIGENDIAN case PIX_FMT_RGB24: #endif c->pal_rgb[i]= r + (g<<8) + (b<<16); break; case PIX_FMT_BGR32_1: #if HAVE_BIGENDIAN case PIX_FMT_BGR24: #endif c->pal_rgb[i]= (r + (g<<8) + (b<<16)) << 8; break; case PIX_FMT_RGB32_1: #if HAVE_BIGENDIAN case PIX_FMT_RGB24: #endif c->pal_rgb[i]= (b + (g<<8) + (r<<16)) << 8; break; case PIX_FMT_RGB32: #if !HAVE_BIGENDIAN case PIX_FMT_BGR24: #endif default: c->pal_rgb[i]= b + (g<<8) + (r<<16); } } } // copy strides, so they can safely be modified if (c->sliceDir == 1) { // slices go from top to bottom int srcStride2[4]= {srcStride[0], srcStride[1], srcStride[2], srcStride[3]}; int dstStride2[4]= {dstStride[0], dstStride[1], dstStride[2], dstStride[3]}; reset_ptr(src2, c->srcFormat); reset_ptr((const uint8_t**)dst2, c->dstFormat); /* reset slice direction at end of frame */ if (srcSliceY + srcSliceH == c->srcH) c->sliceDir = 0; return c->swScale(c, src2, srcStride2, srcSliceY, srcSliceH, dst2, dstStride2); } else { // slices go from bottom to top => we flip the image internally int srcStride2[4]= {-srcStride[0], -srcStride[1], -srcStride[2], -srcStride[3]}; int dstStride2[4]= {-dstStride[0], -dstStride[1], -dstStride[2], -dstStride[3]}; src2[0] += (srcSliceH-1)*srcStride[0]; if (!usePal(c->srcFormat)) src2[1] += ((srcSliceH>>c->chrSrcVSubSample)-1)*srcStride[1]; src2[2] += ((srcSliceH>>c->chrSrcVSubSample)-1)*srcStride[2]; src2[3] += (srcSliceH-1)*srcStride[3]; dst2[0] += ( c->dstH -1)*dstStride[0]; dst2[1] += ((c->dstH>>c->chrDstVSubSample)-1)*dstStride[1]; dst2[2] += ((c->dstH>>c->chrDstVSubSample)-1)*dstStride[2]; dst2[3] += ( c->dstH -1)*dstStride[3]; reset_ptr(src2, c->srcFormat); reset_ptr((const uint8_t**)dst2, c->dstFormat); /* reset slice direction at end of frame */ if (!srcSliceY) c->sliceDir = 0; return c->swScale(c, src2, srcStride2, c->srcH-srcSliceY-srcSliceH, srcSliceH, dst2, dstStride2); } } #if LIBSWSCALE_VERSION_MAJOR < 1 int sws_scale_ordered(SwsContext *c, const uint8_t* const src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t* dst[], int dstStride[]) { return sws_scale(c, src, srcStride, srcSliceY, srcSliceH, dst, dstStride); } #endif /* Convert the palette to the same packed 32-bit format as the palette */ void sws_convertPalette8ToPacked32(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette) { long i; for (i=0; i dst format: ABC */ void sws_convertPalette8ToPacked24(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette) { long i; for (i=0; i