diff options
Diffstat (limited to 'libswscale/swscale.c')
| -rw-r--r-- | libswscale/swscale.c | 627 |
1 files changed, 278 insertions, 349 deletions
diff --git a/libswscale/swscale.c b/libswscale/swscale.c index 4742f2fc04..cdcc2a695b 100644 --- a/libswscale/swscale.c +++ b/libswscale/swscale.c @@ -561,8 +561,7 @@ static inline void yuv2yuvXinC(const int16_t *lumFilter, const int16_t **lumSrc, { //FIXME Optimize (just quickly written not optimized..) int i; - for (i=0; i<dstW; i++) - { + for (i=0; i<dstW; i++) { int val=1<<18; int j; for (j=0; j<lumFilterSize; j++) @@ -572,13 +571,11 @@ static inline void yuv2yuvXinC(const int16_t *lumFilter, const int16_t **lumSrc, } if (uDest) - for (i=0; i<chrDstW; i++) - { + for (i=0; i<chrDstW; i++) { int u=1<<18; int v=1<<18; int j; - for (j=0; j<chrFilterSize; j++) - { + for (j=0; j<chrFilterSize; j++) { u += chrSrc[j][i] * chrFilter[j]; v += chrSrc[j][i + VOFW] * chrFilter[j]; } @@ -588,7 +585,7 @@ static inline void yuv2yuvXinC(const int16_t *lumFilter, const int16_t **lumSrc, } if (CONFIG_SWSCALE_ALPHA && aDest) - for (i=0; i<dstW; i++){ + for (i=0; i<dstW; i++) { int val=1<<18; int j; for (j=0; j<lumFilterSize; j++) @@ -605,8 +602,7 @@ static inline void yuv2nv12XinC(const int16_t *lumFilter, const int16_t **lumSrc { //FIXME Optimize (just quickly written not optimized..) int i; - for (i=0; i<dstW; i++) - { + for (i=0; i<dstW; i++) { int val=1<<18; int j; for (j=0; j<lumFilterSize; j++) @@ -619,13 +615,11 @@ static inline void yuv2nv12XinC(const int16_t *lumFilter, const int16_t **lumSrc return; if (dstFormat == PIX_FMT_NV12) - for (i=0; i<chrDstW; i++) - { + for (i=0; i<chrDstW; i++) { int u=1<<18; int v=1<<18; int j; - for (j=0; j<chrFilterSize; j++) - { + for (j=0; j<chrFilterSize; j++) { u += chrSrc[j][i] * chrFilter[j]; v += chrSrc[j][i + VOFW] * chrFilter[j]; } @@ -634,13 +628,11 @@ static inline void yuv2nv12XinC(const int16_t *lumFilter, const int16_t **lumSrc uDest[2*i+1]= av_clip_uint8(v>>19); } else - for (i=0; i<chrDstW; i++) - { + for (i=0; i<chrDstW; i++) { int u=1<<18; int v=1<<18; int j; - for (j=0; j<chrFilterSize; j++) - { + for (j=0; j<chrFilterSize; j++) { u += chrSrc[j][i] * chrFilter[j]; v += chrSrc[j][i + VOFW] * chrFilter[j]; } @@ -651,7 +643,7 @@ static inline void yuv2nv12XinC(const int16_t *lumFilter, const int16_t **lumSrc } #define YSCALE_YUV_2_PACKEDX_NOCLIP_C(type,alpha) \ - for (i=0; i<(dstW>>1); i++){\ + for (i=0; i<(dstW>>1); i++) {\ int j;\ int Y1 = 1<<18;\ int Y2 = 1<<18;\ @@ -661,13 +653,11 @@ static inline void yuv2nv12XinC(const int16_t *lumFilter, const int16_t **lumSrc type av_unused *r, *b, *g;\ const int i2= 2*i;\ \ - for (j=0; j<lumFilterSize; j++)\ - {\ + for (j=0; j<lumFilterSize; j++) {\ Y1 += lumSrc[j][i2] * lumFilter[j];\ Y2 += lumSrc[j][i2+1] * lumFilter[j];\ }\ - for (j=0; j<chrFilterSize; j++)\ - {\ + for (j=0; j<chrFilterSize; j++) {\ U += chrSrc[j][i] * chrFilter[j];\ V += chrSrc[j][i+VOFW] * chrFilter[j];\ }\ @@ -675,10 +665,10 @@ static inline void yuv2nv12XinC(const int16_t *lumFilter, const int16_t **lumSrc Y2>>=19;\ U >>=19;\ V >>=19;\ - if (alpha){\ + if (alpha) {\ A1 = 1<<18;\ A2 = 1<<18;\ - for (j=0; j<lumFilterSize; j++){\ + for (j=0; j<lumFilterSize; j++) {\ A1 += alpSrc[j][i2 ] * lumFilter[j];\ A2 += alpSrc[j][i2+1] * lumFilter[j];\ }\ @@ -688,8 +678,7 @@ static inline void yuv2nv12XinC(const int16_t *lumFilter, const int16_t **lumSrc #define YSCALE_YUV_2_PACKEDX_C(type,alpha) \ YSCALE_YUV_2_PACKEDX_NOCLIP_C(type,alpha)\ - if ((Y1|Y2|U|V)&256)\ - {\ + if ((Y1|Y2|U|V)&256) {\ if (Y1>255) Y1=255; \ else if (Y1<0)Y1=0; \ if (Y2>255) Y2=255; \ @@ -699,13 +688,13 @@ static inline void yuv2nv12XinC(const int16_t *lumFilter, const int16_t **lumSrc if (V>255) V=255; \ else if (V<0) V=0; \ }\ - if (alpha && ((A1|A2)&256)){\ + 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<dstW; i++){\ + for (i=0; i<dstW; i++) {\ int j;\ int Y = 0;\ int U = -128<<19;\ @@ -713,17 +702,17 @@ static inline void yuv2nv12XinC(const int16_t *lumFilter, const int16_t **lumSrc int av_unused A;\ int R,G,B;\ \ - for (j=0; j<lumFilterSize; j++){\ + for (j=0; j<lumFilterSize; j++) {\ Y += lumSrc[j][i ] * lumFilter[j];\ }\ - for (j=0; j<chrFilterSize; j++){\ + for (j=0; j<chrFilterSize; j++) {\ U += chrSrc[j][i ] * chrFilter[j];\ V += chrSrc[j][i+VOFW] * chrFilter[j];\ }\ Y >>=10;\ U >>=10;\ V >>=10;\ - if (alpha){\ + if (alpha) {\ A = rnd;\ for (j=0; j<lumFilterSize; j++)\ A += alpSrc[j][i ] * lumFilter[j];\ @@ -740,7 +729,7 @@ static inline void yuv2nv12XinC(const int16_t *lumFilter, const int16_t **lumSrc 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|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; \ @@ -751,7 +740,7 @@ static inline void yuv2nv12XinC(const int16_t *lumFilter, const int16_t **lumSrc #define YSCALE_YUV_2_GRAY16_C \ - for (i=0; i<(dstW>>1); i++){\ + for (i=0; i<(dstW>>1); i++) {\ int j;\ int Y1 = 1<<18;\ int Y2 = 1<<18;\ @@ -760,15 +749,13 @@ static inline void yuv2nv12XinC(const int16_t *lumFilter, const int16_t **lumSrc \ const int i2= 2*i;\ \ - for (j=0; j<lumFilterSize; j++)\ - {\ + for (j=0; j<lumFilterSize; j++) {\ Y1 += lumSrc[j][i2] * lumFilter[j];\ Y2 += lumSrc[j][i2+1] * lumFilter[j];\ }\ Y1>>=11;\ Y2>>=11;\ - if ((Y1|Y2|U|V)&65536)\ - {\ + if ((Y1|Y2|U|V)&65536) {\ if (Y1>65535) Y1=65535; \ else if (Y1<0)Y1=0; \ if (Y2>65535) Y2=65535; \ @@ -782,7 +769,7 @@ static inline void yuv2nv12XinC(const int16_t *lumFilter, const int16_t **lumSrc b = (type *)c->table_bU[U]; \ #define YSCALE_YUV_2_PACKED2_C(type,alpha) \ - for (i=0; i<(dstW>>1); i++){ \ + 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; \ @@ -790,13 +777,13 @@ static inline void yuv2nv12XinC(const int16_t *lumFilter, const int16_t **lumSrc int V= (uvbuf0[i+VOFW]*uvalpha1+uvbuf1[i+VOFW]*uvalpha)>>19; \ type av_unused *r, *b, *g; \ int av_unused A1, A2; \ - if (alpha){\ + 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++){ \ + 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; \ @@ -808,7 +795,7 @@ static inline void yuv2nv12XinC(const int16_t *lumFilter, const int16_t **lumSrc b = (type *)c->table_bU[U];\ #define YSCALE_YUV_2_PACKED1_C(type,alpha) \ - for (i=0; i<(dstW>>1); i++){\ + for (i=0; i<(dstW>>1); i++) {\ const int i2= 2*i;\ int Y1= buf0[i2 ]>>7;\ int Y2= buf0[i2+1]>>7;\ @@ -816,13 +803,13 @@ static inline void yuv2nv12XinC(const int16_t *lumFilter, const int16_t **lumSrc int V= (uvbuf1[i+VOFW])>>7;\ type av_unused *r, *b, *g;\ int av_unused A1, A2;\ - if (alpha){\ + 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++){\ + for (i=0; i<(dstW>>1); i++) {\ const int i2= 2*i;\ int Y1= buf0[i2 ]<<1;\ int Y2= buf0[i2+1]<<1;\ @@ -834,7 +821,7 @@ static inline void yuv2nv12XinC(const int16_t *lumFilter, const int16_t **lumSrc b = (type *)c->table_bU[U];\ #define YSCALE_YUV_2_PACKED1B_C(type,alpha) \ - for (i=0; i<(dstW>>1); i++){\ + for (i=0; i<(dstW>>1); i++) {\ const int i2= 2*i;\ int Y1= buf0[i2 ]>>7;\ int Y2= buf0[i2+1]>>7;\ @@ -842,7 +829,7 @@ static inline void yuv2nv12XinC(const int16_t *lumFilter, const int16_t **lumSrc int V= (uvbuf0[i+VOFW] + uvbuf1[i+VOFW])>>8;\ type av_unused *r, *b, *g;\ int av_unused A1, A2;\ - if (alpha){\ + if (alpha) {\ A1= abuf0[i2 ]>>7;\ A2= abuf0[i2+1]>>7;\ }\ @@ -856,7 +843,7 @@ static inline void yuv2nv12XinC(const int16_t *lumFilter, const int16_t **lumSrc #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<dstW-7; i+=8){\ + for (i=0; i<dstW-7; i+=8) {\ int acc;\ acc = g[((buf0[i ]*yalpha1+buf1[i ]*yalpha)>>19) + d128[0]];\ acc+= acc + g[((buf0[i+1]*yalpha1+buf1[i+1]*yalpha)>>19) + d128[1]];\ @@ -875,20 +862,18 @@ static inline void yuv2nv12XinC(const int16_t *lumFilter, const int16_t **lumSrc 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<dstW-1; i+=2){\ + for (i=0; i<dstW-1; i+=2) {\ int j;\ int Y1=1<<18;\ int Y2=1<<18;\ \ - for (j=0; j<lumFilterSize; j++)\ - {\ + for (j=0; j<lumFilterSize; j++) {\ Y1 += lumSrc[j][i] * lumFilter[j];\ Y2 += lumSrc[j][i+1] * lumFilter[j];\ }\ Y1>>=19;\ Y2>>=19;\ - if ((Y1|Y2)&256)\ - {\ + if ((Y1|Y2)&256) {\ if (Y1>255) Y1=255;\ else if (Y1<0)Y1=0;\ if (Y2>255) Y2=255;\ @@ -896,7 +881,7 @@ static inline void yuv2nv12XinC(const int16_t *lumFilter, const int16_t **lumSrc }\ acc+= acc + g[Y1+d128[(i+0)&7]];\ acc+= acc + g[Y2+d128[(i+1)&7]];\ - if ((i&7)==6){\ + if ((i&7)==6) {\ ((uint8_t*)dest)[0]= c->dstFormat == PIX_FMT_MONOBLACK ? acc : ~acc;\ dest++;\ }\ @@ -904,8 +889,7 @@ static inline void yuv2nv12XinC(const int16_t *lumFilter, const int16_t **lumSrc #define YSCALE_YUV_2_ANYRGB_C(func, func2, func_g16, func_monoblack)\ - switch(c->dstFormat)\ - {\ + switch(c->dstFormat) {\ case PIX_FMT_RGB48BE:\ case PIX_FMT_RGB48LE:\ func(uint8_t,0)\ @@ -926,19 +910,19 @@ static inline void yuv2nv12XinC(const int16_t *lumFilter, const int16_t **lumSrc break;\ case PIX_FMT_RGBA:\ case PIX_FMT_BGRA:\ - if (CONFIG_SMALL){\ + 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){\ + } 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{\ + } 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];\ @@ -948,19 +932,19 @@ static inline void yuv2nv12XinC(const int16_t *lumFilter, const int16_t **lumSrc break;\ case PIX_FMT_ARGB:\ case PIX_FMT_ABGR:\ - if (CONFIG_SMALL){\ + 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){\ + } 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{\ + } 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];\ @@ -1110,14 +1094,14 @@ static inline void yuv2rgbXinC_full(SwsContext *c, const int16_t *lumFilter, con int step= fmt_depth(c->dstFormat)/8; int aidx= 3; - switch(c->dstFormat){ + switch(c->dstFormat) { case PIX_FMT_ARGB: dest++; aidx= 0; case PIX_FMT_RGB24: aidx--; case PIX_FMT_RGBA: - if (CONFIG_SMALL){ + if (CONFIG_SMALL) { int needAlpha = CONFIG_SWSCALE_ALPHA && c->alpPixBuf; YSCALE_YUV_2_RGBX_FULL_C(1<<21, needAlpha) dest[aidx]= needAlpha ? A : 255; @@ -1126,8 +1110,8 @@ static inline void yuv2rgbXinC_full(SwsContext *c, const int16_t *lumFilter, con dest[2]= B>>22; dest+= step; } - }else{ - if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf){ + } else { + if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) { YSCALE_YUV_2_RGBX_FULL_C(1<<21, 1) dest[aidx]= A; dest[0]= R>>22; @@ -1135,7 +1119,7 @@ static inline void yuv2rgbXinC_full(SwsContext *c, const int16_t *lumFilter, con dest[2]= B>>22; dest+= step; } - }else{ + } else { YSCALE_YUV_2_RGBX_FULL_C(1<<21, 0) dest[aidx]= 255; dest[0]= R>>22; @@ -1152,7 +1136,7 @@ static inline void yuv2rgbXinC_full(SwsContext *c, const int16_t *lumFilter, con case PIX_FMT_BGR24: aidx--; case PIX_FMT_BGRA: - if (CONFIG_SMALL){ + if (CONFIG_SMALL) { int needAlpha = CONFIG_SWSCALE_ALPHA && c->alpPixBuf; YSCALE_YUV_2_RGBX_FULL_C(1<<21, needAlpha) dest[aidx]= needAlpha ? A : 255; @@ -1161,8 +1145,8 @@ static inline void yuv2rgbXinC_full(SwsContext *c, const int16_t *lumFilter, con dest[2]= R>>22; dest+= step; } - }else{ - if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf){ + } else { + if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) { YSCALE_YUV_2_RGBX_FULL_C(1<<21, 1) dest[aidx]= A; dest[0]= B>>22; @@ -1170,7 +1154,7 @@ static inline void yuv2rgbXinC_full(SwsContext *c, const int16_t *lumFilter, con dest[2]= R>>22; dest+= step; } - }else{ + } else { YSCALE_YUV_2_RGBX_FULL_C(1<<21, 0) dest[aidx]= 255; dest[0]= B>>22; @@ -1186,10 +1170,11 @@ static inline void yuv2rgbXinC_full(SwsContext *c, const int16_t *lumFilter, con } } -static void fillPlane(uint8_t* plane, int stride, int width, int height, int y, uint8_t val){ +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<height; i++){ + for (i=0; i<height; i++) { memset(ptr, val, width); ptr += stride; } @@ -1241,8 +1226,7 @@ static inline void rgb48ToUV_half(uint8_t *dstU, uint8_t *dstV, static inline void name(uint8_t *dst, const uint8_t *src, long width, uint32_t *unused)\ {\ int i;\ - for (i=0; i<width; i++)\ - {\ + for (i=0; i<width; i++) {\ int b= (((const type*)src)[i]>>shb)&maskb;\ int g= (((const type*)src)[i]>>shg)&maskg;\ int r= (((const type*)src)[i]>>shr)&maskr;\ @@ -1258,9 +1242,10 @@ BGR2Y(uint16_t, bgr15ToY, 0, 0, 0, 0x001F, 0x03E0, 0x7C00, RY<<10, GY<<5, BY 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){ +static inline void abgrToA(uint8_t *dst, const uint8_t *src, long width, uint32_t *unused) +{ int i; - for (i=0; i<width; i++){ + for (i=0; i<width; i++) { dst[i]= src[4*i]; } } @@ -1269,8 +1254,7 @@ static inline void abgrToA(uint8_t *dst, const uint8_t *src, long width, uint32_ static inline void name(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<width; i++)\ - {\ + for (i=0; i<width; i++) {\ int b= (((const type*)src)[i]&maskb)>>shb;\ int g= (((const type*)src)[i]&maskg)>>shg;\ int r= (((const type*)src)[i]&maskr)>>shr;\ @@ -1282,8 +1266,7 @@ static inline void name(uint8_t *dstU, uint8_t *dstV, const uint8_t *src, const 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<width; i++)\ - {\ + for (i=0; i<width; i++) {\ int pix0= ((const type*)src)[2*i+0];\ int pix1= ((const type*)src)[2*i+1];\ int g= (pix0&~(maskr|maskb))+(pix1&~(maskr|maskb));\ @@ -1308,8 +1291,7 @@ BGR2UV(uint16_t, rgb15ToUV, 0, 0, 0, 0, 0x7C00, 0x03E0, 0x001F, RU static inline void palToY(uint8_t *dst, const uint8_t *src, long width, uint32_t *pal) { int i; - for (i=0; i<width; i++) - { + for (i=0; i<width; i++) { int d= src[i]; dst[i]= pal[d] & 0xFF; @@ -1322,8 +1304,7 @@ static inline void palToUV(uint8_t *dstU, uint8_t *dstV, { int i; assert(src1 == src2); - for (i=0; i<width; i++) - { + for (i=0; i<width; i++) { int p= pal[src1[i]]; dstU[i]= p>>8; @@ -1334,7 +1315,7 @@ static inline void palToUV(uint8_t *dstU, uint8_t *dstV, static inline void monowhite2Y(uint8_t *dst, const uint8_t *src, long width, uint32_t *unused) { int i, j; - for (i=0; i<width/8; i++){ + for (i=0; i<width/8; i++) { int d= ~src[i]; for(j=0; j<8; j++) dst[8*i+j]= ((d>>(7-j))&1)*255; @@ -1344,7 +1325,7 @@ static inline void monowhite2Y(uint8_t *dst, const uint8_t *src, long width, uin static inline void monoblack2Y(uint8_t *dst, const uint8_t *src, long width, uint32_t *unused) { int i, j; - for (i=0; i<width/8; i++){ + for (i=0; i<width/8; i++) { int d= src[i]; for(j=0; j<8; j++) dst[8*i+j]= ((d>>(7-j))&1)*255; @@ -1471,53 +1452,44 @@ static inline int initFilter(int16_t **outFilter, int16_t **filterPos, int *outF // NOTE: the +1 is for the MMX scaler which reads over the end *filterPos = av_malloc((dstW+1)*sizeof(int16_t)); - if (FFABS(xInc - 0x10000) <10) // unscaled - { + if (FFABS(xInc - 0x10000) <10) { // unscaled int i; filterSize= 1; filter= av_mallocz(dstW*sizeof(*filter)*filterSize); - for (i=0; i<dstW; i++) - { + for (i=0; i<dstW; i++) { filter[i*filterSize]= fone; (*filterPos)[i]=i; } - } - else if (flags&SWS_POINT) // lame looking point sampling mode - { + } else if (flags&SWS_POINT) { // lame looking point sampling mode int i; int xDstInSrc; filterSize= 1; filter= av_malloc(dstW*sizeof(*filter)*filterSize); xDstInSrc= xInc/2 - 0x8000; - for (i=0; i<dstW; i++) - { + for (i=0; i<dstW; i++) { int xx= (xDstInSrc - ((filterSize-1)<<15) + (1<<15))>>16; (*filterPos)[i]= xx; filter[i]= fone; xDstInSrc+= xInc; } - } - else if ((xInc <= (1<<16) && (flags&SWS_AREA)) || (flags&SWS_FAST_BILINEAR)) // bilinear upscale - { + } else if ((xInc <= (1<<16) && (flags&SWS_AREA)) || (flags&SWS_FAST_BILINEAR)) { // bilinear upscale int i; int xDstInSrc; filterSize= 2; filter= av_malloc(dstW*sizeof(*filter)*filterSize); xDstInSrc= xInc/2 - 0x8000; - for (i=0; i<dstW; i++) - { + for (i=0; i<dstW; i++) { int xx= (xDstInSrc - ((filterSize-1)<<15) + (1<<15))>>16; int j; (*filterPos)[i]= xx; //bilinear upscale / linear interpolate / area averaging - for (j=0; j<filterSize; j++) - { + for (j=0; j<filterSize; j++) { int64_t coeff= fone - FFABS((xx<<16) - xDstInSrc)*(fone>>16); if (coeff<0) coeff=0; filter[i*filterSize + j]= coeff; @@ -1525,9 +1497,7 @@ static inline int initFilter(int16_t **outFilter, int16_t **filterPos, int *outF } xDstInSrc+= xInc; } - } - else - { + } else { int xDstInSrc; int sizeFactor; @@ -1552,13 +1522,11 @@ static inline int initFilter(int16_t **outFilter, int16_t **filterPos, int *outF filter= av_malloc(dstW*sizeof(*filter)*filterSize); xDstInSrc= xInc - 0x10000; - for (i=0; i<dstW; i++) - { + for (i=0; i<dstW; i++) { int xx= (xDstInSrc - ((filterSize-2)<<16)) / (1<<17); int j; (*filterPos)[i]= xx; - for (j=0; j<filterSize; j++) - { + for (j=0; j<filterSize; j++) { int64_t d= ((int64_t)FFABS((xx<<17) - xDstInSrc))<<13; double floatd; int64_t coeff; @@ -1567,8 +1535,7 @@ static inline int initFilter(int16_t **outFilter, int16_t **filterPos, int *outF d= d*dstW/srcW; floatd= d * (1.0/(1<<30)); - if (flags & SWS_BICUBIC) - { + if (flags & SWS_BICUBIC) { int64_t B= (param[0] != SWS_PARAM_DEFAULT ? param[0] : 0) * (1<<24); int64_t C= (param[1] != SWS_PARAM_DEFAULT ? param[1] : 0.6) * (1<<24); int64_t dd = ( d*d)>>30; @@ -1582,14 +1549,12 @@ static inline int initFilter(int16_t **outFilter, int16_t **filterPos, int *outF coeff=0.0; coeff *= fone>>(30+24); } -/* else if (flags & SWS_X) - { +/* else if (flags & SWS_X) { double p= param ? param*0.01 : 0.3; coeff = d ? sin(d*PI)/(d*PI) : 1.0; coeff*= pow(2.0, - p*d*d); }*/ - else if (flags & SWS_X) - { + else if (flags & SWS_X) { double A= param[0] != SWS_PARAM_DEFAULT ? param[0] : 1.0; double c; @@ -1600,42 +1565,29 @@ static inline int initFilter(int16_t **outFilter, int16_t **filterPos, int *outF if (c<0.0) c= -pow(-c, A); else c= pow( c, A); coeff= (c*0.5 + 0.5)*fone; - } - else if (flags & SWS_AREA) - { + } else if (flags & SWS_AREA) { int64_t d2= d - (1<<29); if (d2*xInc < -(1LL<<(29+16))) coeff= 1.0 * (1LL<<(30+16)); else if (d2*xInc < (1LL<<(29+16))) coeff= -d2*xInc + (1LL<<(29+16)); else coeff=0.0; coeff *= fone>>(30+16); - } - else if (flags & SWS_GAUSS) - { + } else if (flags & SWS_GAUSS) { double p= param[0] != SWS_PARAM_DEFAULT ? param[0] : 3.0; coeff = (pow(2.0, - p*floatd*floatd))*fone; - } - else if (flags & SWS_SINC) - { + } else if (flags & SWS_SINC) { coeff = (d ? sin(floatd*PI)/(floatd*PI) : 1.0)*fone; - } - else if (flags & SWS_LANCZOS) - { + } else if (flags & SWS_LANCZOS) { double p= param[0] != SWS_PARAM_DEFAULT ? param[0] : 3.0; coeff = (d ? sin(floatd*PI)*sin(floatd*PI/p)/(floatd*floatd*PI*PI/p) : 1.0)*fone; if (floatd>p) coeff=0; - } - else if (flags & SWS_BILINEAR) - { + } else if (flags & SWS_BILINEAR) { coeff= (1<<30) - d; if (coeff<0) coeff=0; coeff *= fone >> 30; - } - else if (flags & SWS_SPLINE) - { + } else if (flags & SWS_SPLINE) { double p=-2.196152422706632; coeff = getSplineCoeff(1.0, 0.0, p, -p-1.0, floatd) * fone; - } - else { + } else { coeff= 0.0; //GCC warning killer assert(0); } @@ -1657,16 +1609,15 @@ static inline int initFilter(int16_t **outFilter, int16_t **filterPos, int *outF assert(filter2Size>0); filter2= av_mallocz(filter2Size*dstW*sizeof(*filter2)); - for (i=0; i<dstW; i++) - { + for (i=0; i<dstW; i++) { int j, k; - if(srcFilter){ - for (k=0; k<srcFilter->length; k++){ + if(srcFilter) { + for (k=0; k<srcFilter->length; k++) { for (j=0; j<filterSize; j++) filter2[i*filter2Size + k + j] += srcFilter->coeff[k]*filter[i*filterSize + j]; } - }else{ + } else { for (j=0; j<filterSize; j++) filter2[i*filter2Size + j]= filter[i*filterSize + j]; } @@ -1679,15 +1630,13 @@ static inline int initFilter(int16_t **outFilter, int16_t **filterPos, int *outF /* try to reduce the filter-size (step1 find size and shift left) */ // Assume it is near normalized (*0.5 or *2.0 is OK but * 0.001 is not). minFilterSize= 0; - for (i=dstW-1; i>=0; i--) - { + for (i=dstW-1; i>=0; i--) { int min= filter2Size; int j; int64_t cutOff=0.0; /* get rid off near zero elements on the left by shifting left */ - for (j=0; j<filter2Size; j++) - { + for (j=0; j<filter2Size; j++) { int k; cutOff += FFABS(filter2[i*filter2Size]); @@ -1705,8 +1654,7 @@ static inline int initFilter(int16_t **outFilter, int16_t **filterPos, int *outF cutOff=0; /* count near zeros on the right */ - for (j=filter2Size-1; j>0; j--) - { + for (j=filter2Size-1; j>0; j--) { cutOff += FFABS(filter2[i*filter2Size + j]); if (cutOff > SWS_MAX_REDUCE_CUTOFF*fone) break; @@ -1748,12 +1696,10 @@ static inline int initFilter(int16_t **outFilter, int16_t **filterPos, int *outF if (flags&SWS_PRINT_INFO) av_log(NULL, AV_LOG_VERBOSE, "SwScaler: reducing / aligning filtersize %d -> %d\n", filter2Size, filterSize); /* try to reduce the filter-size (step2 reduce it) */ - for (i=0; i<dstW; i++) - { + for (i=0; i<dstW; i++) { int j; - for (j=0; j<filterSize; j++) - { + for (j=0; j<filterSize; j++) { if (j>=filter2Size) filter[i*filterSize + j]= 0; else filter[i*filterSize + j]= filter2[i*filter2Size + j]; if((flags & SWS_BITEXACT) && j>=minFilterSize) @@ -1765,14 +1711,11 @@ static inline int initFilter(int16_t **outFilter, int16_t **filterPos, int *outF //FIXME try to align filterPos if possible //fix borders - for (i=0; i<dstW; i++) - { + for (i=0; i<dstW; i++) { int j; - if ((*filterPos)[i] < 0) - { + if ((*filterPos)[i] < 0) { // move filter coefficients left to compensate for filterPos - for (j=1; j<filterSize; j++) - { + for (j=1; j<filterSize; j++) { int left= FFMAX(j + (*filterPos)[i], 0); filter[i*filterSize + left] += filter[i*filterSize + j]; filter[i*filterSize + j]=0; @@ -1780,12 +1723,10 @@ static inline int initFilter(int16_t **outFilter, int16_t **filterPos, int *outF (*filterPos)[i]= 0; } - if ((*filterPos)[i] + filterSize > srcW) - { + if ((*filterPos)[i] + filterSize > srcW) { int shift= (*filterPos)[i] + filterSize - srcW; // move filter coefficients right to compensate for filterPos - for (j=filterSize-2; j>=0; j--) - { + for (j=filterSize-2; j>=0; j--) { int right= FFMIN(j + shift, filterSize-1); filter[i*filterSize +right] += filter[i*filterSize +j]; filter[i*filterSize +j]=0; @@ -1799,19 +1740,16 @@ static inline int initFilter(int16_t **outFilter, int16_t **filterPos, int *outF *outFilter= av_mallocz(*outFilterSize*(dstW+1)*sizeof(int16_t)); /* normalize & store in outFilter */ - for (i=0; i<dstW; i++) - { + for (i=0; i<dstW; i++) { int j; int64_t error=0; int64_t sum=0; - for (j=0; j<filterSize; j++) - { + for (j=0; j<filterSize; j++) { sum+= filter[i*filterSize + j]; } sum= (sum + one/2)/ one; - for (j=0; j<*outFilterSize; j++) - { + for (j=0; j<*outFilterSize; j++) { int64_t v= filter[i*filterSize + j] + error; int intV= ROUNDED_DIV(v, sum); (*outFilter)[i*(*outFilterSize) + j]= intV; @@ -1820,8 +1758,7 @@ static inline int initFilter(int16_t **outFilter, int16_t **filterPos, int *outF } (*filterPos)[dstW]= (*filterPos)[dstW-1]; // the MMX scaler will read over the end - for (i=0; i<*outFilterSize; i++) - { + for (i=0; i<*outFilterSize; i++) { int j= dstW*(*outFilterSize); (*outFilter)[j + i]= (*outFilter)[j + i - (*outFilterSize)]; } @@ -1933,12 +1870,10 @@ static int initMMX2HScaler(int dstW, int xInc, uint8_t *filterCode, int16_t *fil xpos= 0; //lumXInc/2 - 0x8000; // difference between pixel centers fragmentPos=0; - for (i=0; i<dstW/numSplits; i++) - { + for (i=0; i<dstW/numSplits; i++) { int xx=xpos>>16; - if ((i&3) == 0) - { + if ((i&3) == 0) { int a=0; int b=((xpos+xInc)>>16) - xx; int c=((xpos+xInc*2)>>16) - xx; @@ -1968,8 +1903,7 @@ static int initMMX2HScaler(int dstW, int xInc, uint8_t *filterCode, int16_t *fil if (i+4-inc>=dstW) shift=maxShift; //avoid overread else if ((filterPos[i/2]&3) <= maxShift) shift=filterPos[i/2]&3; //Align - if (shift && i>=shift) - { + if (shift && i>=shift) { filterCode[fragmentPos + imm8OfPShufW1]+= 0x55*shift; filterCode[fragmentPos + imm8OfPShufW2]+= 0x55*shift; filterPos[i/2]-=shift; @@ -1990,10 +1924,11 @@ static int initMMX2HScaler(int dstW, int xInc, uint8_t *filterCode, int16_t *fil } #endif /* COMPILE_MMX2 */ -static void globalInit(void){ +static void globalInit(void) +{ // generating tables: int i; - for (i=0; i<768; i++){ + for (i=0; i<768; i++) { int c= av_clip_uint8(i-256); clip_table[i]=c; } @@ -2054,18 +1989,17 @@ static SwsFunc getSwsFunc(SwsContext *c) } static int PlanarToNV12Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dstParam[], int dstStride[]){ + int srcSliceH, uint8_t* dstParam[], int dstStride[]) +{ uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY; /* Copy Y plane */ if (dstStride[0]==srcStride[0] && srcStride[0] > 0) memcpy(dst, src[0], srcSliceH*dstStride[0]); - else - { + else { int i; const uint8_t *srcPtr= src[0]; uint8_t *dstPtr= dst; - for (i=0; i<srcSliceH; i++) - { + for (i=0; i<srcSliceH; i++) { memcpy(dstPtr, srcPtr, c->srcW); srcPtr+= srcStride[0]; dstPtr+= dstStride[0]; @@ -2081,7 +2015,8 @@ static int PlanarToNV12Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], i } static int PlanarToYuy2Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dstParam[], int dstStride[]){ + 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]); @@ -2090,7 +2025,8 @@ static int PlanarToYuy2Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], i } static int PlanarToUyvyWrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dstParam[], int dstStride[]){ + 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]); @@ -2099,7 +2035,8 @@ static int PlanarToUyvyWrapper(SwsContext *c, uint8_t* src[], int srcStride[], i } static int YUV422PToYuy2Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dstParam[], int dstStride[]){ + 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]); @@ -2108,7 +2045,8 @@ static int YUV422PToYuy2Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], } static int YUV422PToUyvyWrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dstParam[], int dstStride[]){ + 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]); @@ -2117,7 +2055,8 @@ static int YUV422PToUyvyWrapper(SwsContext *c, uint8_t* src[], int srcStride[], } static int YUYV2YUV420Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dstParam[], int dstStride[]){ + 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; @@ -2131,7 +2070,8 @@ static int YUYV2YUV420Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], in } static int YUYV2YUV422Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dstParam[], int dstStride[]){ + 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; @@ -2142,7 +2082,8 @@ static int YUYV2YUV422Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], in } static int UYVY2YUV420Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dstParam[], int dstStride[]){ + 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; @@ -2156,7 +2097,8 @@ static int UYVY2YUV420Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], in } static int UYVY2YUV422Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dstParam[], int dstStride[]){ + 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; @@ -2167,7 +2109,8 @@ static int UYVY2YUV422Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], in } static int pal2rgbWrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dst[], int dstStride[]){ + int srcSliceH, uint8_t* dst[], int dstStride[]) +{ const enum PixelFormat srcFormat= c->srcFormat; const enum PixelFormat dstFormat= c->dstFormat; void (*conv)(const uint8_t *src, uint8_t *dst, long num_pixels, @@ -2180,7 +2123,7 @@ static int pal2rgbWrapper(SwsContext *c, uint8_t* src[], int srcStride[], int sr av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n", sws_format_name(srcFormat), sws_format_name(dstFormat)); - switch(dstFormat){ + switch(dstFormat) { case PIX_FMT_RGB32 : conv = palette8topacked32; break; case PIX_FMT_BGR32 : conv = palette8topacked32; break; case PIX_FMT_BGR32_1: conv = palette8topacked32; break; @@ -2203,7 +2146,8 @@ static int pal2rgbWrapper(SwsContext *c, uint8_t* src[], int srcStride[], int sr /* {RGB,BGR}{15,16,24,32,32_1} -> {RGB,BGR}{15,16,24,32} */ static int rgb2rgbWrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dst[], int dstStride[]){ + int srcSliceH, uint8_t* dst[], int dstStride[]) +{ const enum PixelFormat srcFormat= c->srcFormat; const enum PixelFormat dstFormat= c->dstFormat; const int srcBpp= (fmt_depth(srcFormat) + 7) >> 3; @@ -2214,8 +2158,8 @@ static int rgb2rgbWrapper(SwsContext *c, uint8_t* src[], int srcStride[], int sr /* BGR -> BGR */ if ( (isBGR(srcFormat) && isBGR(dstFormat)) - || (isRGB(srcFormat) && isRGB(dstFormat))){ - switch(srcId | (dstId<<4)){ + || (isRGB(srcFormat) && isRGB(dstFormat))) { + switch(srcId | (dstId<<4)) { case 0x34: conv= rgb16to15; break; case 0x36: conv= rgb24to15; break; case 0x38: conv= rgb32to15; break; @@ -2231,9 +2175,9 @@ static int rgb2rgbWrapper(SwsContext *c, uint8_t* src[], int srcStride[], int sr default: av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n", sws_format_name(srcFormat), sws_format_name(dstFormat)); break; } - }else if ( (isBGR(srcFormat) && isRGB(dstFormat)) - || (isRGB(srcFormat) && isBGR(dstFormat))){ - switch(srcId | (dstId<<4)){ + } else if ( (isBGR(srcFormat) && isRGB(dstFormat)) + || (isRGB(srcFormat) && isBGR(dstFormat))) { + switch(srcId | (dstId<<4)) { case 0x33: conv= rgb15tobgr15; break; case 0x34: conv= rgb16tobgr15; break; case 0x36: conv= rgb24tobgr15; break; @@ -2253,26 +2197,23 @@ static int rgb2rgbWrapper(SwsContext *c, uint8_t* src[], int srcStride[], int sr default: av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n", sws_format_name(srcFormat), sws_format_name(dstFormat)); break; } - }else{ + } else { av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n", sws_format_name(srcFormat), sws_format_name(dstFormat)); } - if(conv) - { + if(conv) { uint8_t *srcPtr= src[0]; if(srcFormat == PIX_FMT_RGB32_1 || srcFormat == PIX_FMT_BGR32_1) srcPtr += ALT32_CORR; if (dstStride[0]*srcBpp == srcStride[0]*dstBpp && srcStride[0] > 0) conv(srcPtr, dst[0] + dstStride[0]*srcSliceY, srcSliceH*srcStride[0]); - else - { + else { int i; uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY; - for (i=0; i<srcSliceH; i++) - { + for (i=0; i<srcSliceH; i++) { conv(srcPtr, dstPtr, c->srcW*srcBpp); srcPtr+= srcStride[0]; dstPtr+= dstStride[0]; @@ -2283,7 +2224,8 @@ static int rgb2rgbWrapper(SwsContext *c, uint8_t* src[], int srcStride[], int sr } static int bgr24toyv12Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dst[], int dstStride[]){ + int srcSliceH, uint8_t* dst[], int dstStride[]) +{ rgb24toyv12( src[0], @@ -2298,30 +2240,30 @@ static int bgr24toyv12Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], in } static int yvu9toyv12Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dst[], int dstStride[]){ + int srcSliceH, uint8_t* dst[], int dstStride[]) +{ int i; /* copy Y */ if (srcStride[0]==dstStride[0] && srcStride[0] > 0) memcpy(dst[0]+ srcSliceY*dstStride[0], src[0], srcStride[0]*srcSliceH); - else{ + else { uint8_t *srcPtr= src[0]; uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY; - for (i=0; i<srcSliceH; i++) - { + for (i=0; i<srcSliceH; i++) { memcpy(dstPtr, srcPtr, c->srcW); srcPtr+= srcStride[0]; dstPtr+= dstStride[0]; } } - if (c->dstFormat==PIX_FMT_YUV420P || c->dstFormat==PIX_FMT_YUVA420P){ + if (c->dstFormat==PIX_FMT_YUV420P || c->dstFormat==PIX_FMT_YUVA420P) { 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]); - }else{ + } else { planar2x(src[1], dst[2] + dstStride[2]*(srcSliceY >> 1), c->chrSrcW, srcSliceH >> 2, srcStride[1], dstStride[2]); planar2x(src[2], dst[1] + dstStride[1]*(srcSliceY >> 1), c->chrSrcW, @@ -2338,8 +2280,7 @@ static int packedCopy(SwsContext *c, uint8_t* src[], int srcStride[], int srcSli { if (dstStride[0]==srcStride[0] && srcStride[0] > 0) memcpy(dst[0] + dstStride[0]*srcSliceY, src[0], srcSliceH*dstStride[0]); - else - { + else { int i; uint8_t *srcPtr= src[0]; uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY; @@ -2350,8 +2291,7 @@ static int packedCopy(SwsContext *c, uint8_t* src[], int srcStride[], int srcSli && length+c->srcW <= FFABS(srcStride[0])) length+= c->srcW; assert(length!=0); - for (i=0; i<srcSliceH; i++) - { + for (i=0; i<srcSliceH; i++) { memcpy(dstPtr, srcPtr, length); srcPtr+= srcStride[0]; dstPtr+= dstStride[0]; @@ -2364,8 +2304,7 @@ static int planarCopy(SwsContext *c, uint8_t* src[], int srcStride[], int srcSli int srcSliceH, uint8_t* dst[], int dstStride[]) { int plane, i, j; - for (plane=0; plane<4; plane++) - { + for (plane=0; plane<4; plane++) { int length= (plane==0 || plane==3) ? c->srcW : -((-c->srcW )>>c->chrDstHSubSample); int y= (plane==0 || plane==3) ? srcSliceY: -((-srcSliceY)>>c->chrDstVSubSample); int height= (plane==0 || plane==3) ? srcSliceH: -((-srcSliceH)>>c->chrDstVSubSample); @@ -2375,32 +2314,31 @@ static int planarCopy(SwsContext *c, uint8_t* src[], int srcStride[], int srcSli if (!dst[plane]) continue; // ignore palette for GRAY8 if (plane == 1 && !dst[2]) continue; - if (!src[plane] || (plane == 1 && !src[2])){ + 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)){ + } else { + if(is16BPS(c->srcFormat) && !is16BPS(c->dstFormat)) { if (!isBE(c->srcFormat)) srcPtr++; - for (i=0; i<height; i++){ + for (i=0; i<height; i++) { for (j=0; j<length; j++) dstPtr[j] = srcPtr[j<<1]; srcPtr+= srcStride[plane]; dstPtr+= dstStride[plane]; } - }else if(!is16BPS(c->srcFormat) && is16BPS(c->dstFormat)){ - for (i=0; i<height; i++){ - for (j=0; j<length; j++){ + } else if(!is16BPS(c->srcFormat) && is16BPS(c->dstFormat)) { + for (i=0; i<height; i++) { + for (j=0; j<length; j++) { dstPtr[ j<<1 ] = srcPtr[j]; dstPtr[(j<<1)+1] = srcPtr[j]; } srcPtr+= srcStride[plane]; dstPtr+= dstStride[plane]; } - }else if(is16BPS(c->srcFormat) && is16BPS(c->dstFormat) - && isBE(c->srcFormat) != isBE(c->dstFormat)){ + } else if(is16BPS(c->srcFormat) && is16BPS(c->dstFormat) + && isBE(c->srcFormat) != isBE(c->dstFormat)) { - for (i=0; i<height; i++){ + for (i=0; i<height; i++) { for (j=0; j<length; j++) ((uint16_t*)dstPtr)[j] = bswap_16(((uint16_t*)srcPtr)[j]); srcPtr+= srcStride[plane]; @@ -2408,12 +2346,10 @@ static int planarCopy(SwsContext *c, uint8_t* src[], int srcStride[], int srcSli } } else if (dstStride[plane]==srcStride[plane] && srcStride[plane] > 0) memcpy(dst[plane] + dstStride[plane]*y, src[plane], height*dstStride[plane]); - else - { + else { if(is16BPS(c->srcFormat) && is16BPS(c->dstFormat)) length*=2; - for (i=0; i<height; i++) - { + for (i=0; i<height; i++) { memcpy(dstPtr, srcPtr, length); srcPtr+= srcStride[plane]; dstPtr+= dstStride[plane]; @@ -2425,8 +2361,9 @@ static int planarCopy(SwsContext *c, uint8_t* src[], int srcStride[], int srcSli } -static void getSubSampleFactors(int *h, int *v, int format){ - switch(format){ +static void getSubSampleFactors(int *h, int *v, int format) +{ + switch(format) { case PIX_FMT_UYVY422: case PIX_FMT_YUYV422: *h=1; @@ -2475,14 +2412,16 @@ static void getSubSampleFactors(int *h, int *v, int format){ } } -static uint16_t roundToInt16(int64_t f){ +static uint16_t roundToInt16(int64_t f) +{ int r= (f + (1<<15))>>16; if (r<-0x7FFF) return 0x8000; else if (r> 0x7FFF) return 0x7FFF; else return r; } -int sws_setColorspaceDetails(SwsContext *c, const int inv_table[4], int srcRange, const int table[4], int dstRange, int brightness, int contrast, int saturation){ +int sws_setColorspaceDetails(SwsContext *c, const int inv_table[4], int srcRange, const int table[4], int dstRange, int brightness, int contrast, int saturation) +{ int64_t crv = inv_table[0]; int64_t cbu = inv_table[1]; int64_t cgu = -inv_table[2]; @@ -2503,10 +2442,10 @@ int sws_setColorspaceDetails(SwsContext *c, const int inv_table[4], int srcRange c->uOffset= 0x0400040004000400LL; c->vOffset= 0x0400040004000400LL; - if (!srcRange){ + if (!srcRange) { cy= (cy*255) / 219; oy= 16<<16; - }else{ + } else { crv= (crv*224) / 255; cbu= (cbu*224) / 255; cgu= (cgu*224) / 255; @@ -2545,7 +2484,8 @@ int sws_setColorspaceDetails(SwsContext *c, const int inv_table[4], int srcRange return 0; } -int sws_getColorspaceDetails(SwsContext *c, int **inv_table, int *srcRange, int **table, int *dstRange, int *brightness, int *contrast, int *saturation){ +int sws_getColorspaceDetails(SwsContext *c, int **inv_table, int *srcRange, int **table, int *dstRange, int *brightness, int *contrast, int *saturation) +{ if (isYUV(c->dstFormat) || isGray(c->dstFormat)) return -1; *inv_table = c->srcColorspaceTable; @@ -2619,13 +2559,11 @@ SwsContext *sws_getContext(int srcW, int srcH, enum PixelFormat srcFormat, int d srcRange = handle_jpeg(&srcFormat); dstRange = handle_jpeg(&dstFormat); - if (!isSupportedIn(srcFormat)) - { + if (!isSupportedIn(srcFormat)) { av_log(NULL, AV_LOG_ERROR, "swScaler: %s is not supported as input pixel format\n", sws_format_name(srcFormat)); return NULL; } - if (!isSupportedOut(dstFormat)) - { + if (!isSupportedOut(dstFormat)) { av_log(NULL, AV_LOG_ERROR, "swScaler: %s is not supported as output pixel format\n", sws_format_name(dstFormat)); return NULL; } @@ -2641,20 +2579,18 @@ SwsContext *sws_getContext(int srcW, int srcH, enum PixelFormat srcFormat, int d |SWS_SINC |SWS_SPLINE |SWS_BICUBLIN); - if(!i || (i & (i-1))) - { + if(!i || (i & (i-1))) { av_log(NULL, AV_LOG_ERROR, "swScaler: Exactly one scaler algorithm must be chosen\n"); return NULL; } /* sanity check */ - if (srcW<4 || srcH<1 || dstW<8 || dstH<1) //FIXME check if these are enough and try to lowwer them after fixing the relevant parts of the code - { + if (srcW<4 || srcH<1 || dstW<8 || dstH<1) { //FIXME check if these are enough and try to lowwer them after fixing the relevant parts of the code av_log(NULL, AV_LOG_ERROR, "swScaler: %dx%d -> %dx%d is invalid scaling dimension\n", srcW, srcH, dstW, dstH); return NULL; } - if(srcW > VOFW || dstW > VOFW){ + if(srcW > VOFW || dstW > VOFW) { av_log(NULL, AV_LOG_ERROR, "swScaler: Compile-time maximum width is "AV_STRINGIFY(VOFW)" change VOF/VOFW and recompile\n"); return NULL; } @@ -2704,10 +2640,10 @@ SwsContext *sws_getContext(int srcW, int srcH, enum PixelFormat srcFormat, int d && ((dstW>>c->chrDstHSubSample) <= (srcW>>1) || (flags&(SWS_FAST_BILINEAR|SWS_POINT)))) c->chrSrcHSubSample=1; - if (param){ + if (param) { c->param[0] = param[0]; c->param[1] = param[1]; - }else{ + } else { c->param[0] = c->param[1] = SWS_PARAM_DEFAULT; } @@ -2721,22 +2657,18 @@ SwsContext *sws_getContext(int srcW, int srcH, enum PixelFormat srcFormat, int d sws_setColorspaceDetails(c, ff_yuv2rgb_coeffs[SWS_CS_DEFAULT], srcRange, ff_yuv2rgb_coeffs[SWS_CS_DEFAULT] /* FIXME*/, dstRange, 0, 1<<16, 1<<16); /* unscaled special cases */ - if (unscaled && !usesHFilter && !usesVFilter && (srcRange == dstRange || isBGR(dstFormat) || isRGB(dstFormat))) - { + if (unscaled && !usesHFilter && !usesVFilter && (srcRange == dstRange || isBGR(dstFormat) || isRGB(dstFormat))) { /* yv12_to_nv12 */ - if ((srcFormat == PIX_FMT_YUV420P || srcFormat == PIX_FMT_YUVA420P) && (dstFormat == PIX_FMT_NV12 || dstFormat == PIX_FMT_NV21)) - { + 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) && (isBGR(dstFormat) || isRGB(dstFormat)) - && !(flags & SWS_ACCURATE_RND) && !(dstH&1)) - { + && !(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)) - { + if (srcFormat==PIX_FMT_YUV410P && (dstFormat==PIX_FMT_YUV420P || dstFormat==PIX_FMT_YUVA420P) && !(flags & SWS_BITEXACT)) { c->swScale= yvu9toyv12Wrapper; } @@ -2771,8 +2703,7 @@ SwsContext *sws_getContext(int srcW, int srcH, enum PixelFormat srcFormat, int d dstFormat == PIX_FMT_BGR24))) c->swScale= pal2rgbWrapper; - if (srcFormat == PIX_FMT_YUV422P) - { + if (srcFormat == PIX_FMT_YUV422P) { if (dstFormat == PIX_FMT_YUYV422) c->swScale= YUV422PToYuy2Wrapper; else if (dstFormat == PIX_FMT_UYVY422) @@ -2780,10 +2711,9 @@ SwsContext *sws_getContext(int srcW, int srcH, enum PixelFormat srcFormat, int d } /* LQ converters if -sws 0 or -sws 4*/ - if (c->flags&(SWS_FAST_BILINEAR|SWS_POINT)){ + if (c->flags&(SWS_FAST_BILINEAR|SWS_POINT)) { /* yv12_to_yuy2 */ - if (srcFormat == PIX_FMT_YUV420P || srcFormat == PIX_FMT_YUVA420P) - { + if (srcFormat == PIX_FMT_YUV420P || srcFormat == PIX_FMT_YUVA420P) { if (dstFormat == PIX_FMT_YUYV422) c->swScale= PlanarToYuy2Wrapper; else if (dstFormat == PIX_FMT_UYVY422) @@ -2834,7 +2764,7 @@ SwsContext *sws_getContext(int srcW, int srcH, enum PixelFormat srcFormat, int d ff_bfin_get_unscaled_swscale (c); #endif - if (c->swScale){ + if (c->swScale) { if (flags&SWS_PRINT_INFO) av_log(c, AV_LOG_INFO, "using unscaled %s -> %s special converter\n", sws_format_name(srcFormat), sws_format_name(dstFormat)); @@ -2842,11 +2772,9 @@ SwsContext *sws_getContext(int srcW, int srcH, enum PixelFormat srcFormat, int d } } - if (flags & SWS_CPU_CAPS_MMX2) - { + if (flags & SWS_CPU_CAPS_MMX2) { c->canMMX2BeUsed= (dstW >=srcW && (dstW&31)==0 && (srcW&15)==0) ? 1 : 0; - if (!c->canMMX2BeUsed && dstW >=srcW && (srcW&15)==0 && (flags&SWS_FAST_BILINEAR)) - { + if (!c->canMMX2BeUsed && dstW >=srcW && (srcW&15)==0 && (flags&SWS_FAST_BILINEAR)) { if (flags&SWS_PRINT_INFO) av_log(c, AV_LOG_INFO, "output width is not a multiple of 32 -> no MMX2 scaler\n"); } @@ -2864,16 +2792,13 @@ SwsContext *sws_getContext(int srcW, int srcH, enum PixelFormat srcFormat, int d // this is not perfect, but no one should notice the difference, the more correct variant // would be like the vertical one, but that would require some special code for the // first and last pixel - if (flags&SWS_FAST_BILINEAR) - { - if (c->canMMX2BeUsed) - { + if (flags&SWS_FAST_BILINEAR) { + if (c->canMMX2BeUsed) { c->lumXInc+= 20; c->chrXInc+= 20; } //we don't use the x86 asm scaler if MMX is available - else if (flags & SWS_CPU_CAPS_MMX) - { + else if (flags & SWS_CPU_CAPS_MMX) { c->lumXInc = ((srcW-2)<<16)/(dstW-2) - 20; c->chrXInc = ((c->chrSrcW-2)<<16)/(c->chrDstW-2) - 20; } @@ -2897,8 +2822,7 @@ SwsContext *sws_getContext(int srcW, int srcH, enum PixelFormat srcFormat, int d #if defined(COMPILE_MMX2) // can't downscale !!! - if (c->canMMX2BeUsed && (flags & SWS_FAST_BILINEAR)) - { + if (c->canMMX2BeUsed && (flags & SWS_FAST_BILINEAR)) { c->lumMmx2FilterCodeSize = initMMX2HScaler( dstW, c->lumXInc, NULL, NULL, NULL, 8); c->chrMmx2FilterCodeSize = initMMX2HScaler(c->chrDstW, c->chrXInc, NULL, NULL, NULL, 4); @@ -2970,8 +2894,7 @@ SwsContext *sws_getContext(int srcW, int srcH, enum PixelFormat srcFormat, int d // calculate buffer sizes so that they won't run out while handling these damn slices c->vLumBufSize= c->vLumFilterSize; c->vChrBufSize= c->vChrFilterSize; - for (i=0; i<dstH; i++) - { + for (i=0; i<dstH; i++) { int chrI= i*c->chrDstH / dstH; int nextSlice= FFMAX(c->vLumFilterPos[i ] + c->vLumFilterSize - 1, ((c->vChrFilterPos[chrI] + c->vChrFilterSize - 1)<<c->chrSrcVSubSample)); @@ -3006,8 +2929,7 @@ SwsContext *sws_getContext(int srcW, int srcH, enum PixelFormat srcFormat, int d assert(c->chrDstH <= dstH); - if (flags&SWS_PRINT_INFO) - { + if (flags&SWS_PRINT_INFO) { #ifdef DITHER1XBPP const char *dither= " dithered"; #else @@ -3057,14 +2979,11 @@ SwsContext *sws_getContext(int srcW, int srcH, enum PixelFormat srcFormat, int d av_log(c, AV_LOG_INFO, "using C\n"); } - if (flags & SWS_PRINT_INFO) - { - if (flags & SWS_CPU_CAPS_MMX) - { + if (flags & SWS_PRINT_INFO) { + if (flags & SWS_CPU_CAPS_MMX) { if (c->canMMX2BeUsed && (flags&SWS_FAST_BILINEAR)) av_log(c, AV_LOG_VERBOSE, "using FAST_BILINEAR MMX2 scaler for horizontal scaling\n"); - else - { + else { if (c->hLumFilterSize==4) av_log(c, AV_LOG_VERBOSE, "using 4-tap MMX scaler for horizontal luminance scaling\n"); else if (c->hLumFilterSize==8) @@ -3079,9 +2998,7 @@ SwsContext *sws_getContext(int srcW, int srcH, enum PixelFormat srcFormat, int d else av_log(c, AV_LOG_VERBOSE, "using n-tap MMX scaler for horizontal chrominance scaling\n"); } - } - else - { + } else { #if ARCH_X86 av_log(c, AV_LOG_VERBOSE, "using x86 asm scaler for horizontal scaling\n"); #else @@ -3091,15 +3008,12 @@ SwsContext *sws_getContext(int srcW, int srcH, enum PixelFormat srcFormat, int d av_log(c, AV_LOG_VERBOSE, "using C scaler for horizontal scaling\n"); #endif } - if (isPlanarYUV(dstFormat)) - { + if (isPlanarYUV(dstFormat)) { if (c->vLumFilterSize==1) av_log(c, AV_LOG_VERBOSE, "using 1-tap %s \"scaler\" for vertical scaling (YV12 like)\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C"); else av_log(c, AV_LOG_VERBOSE, "using n-tap %s scaler for vertical scaling (YV12 like)\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C"); - } - else - { + } else { if (c->vLumFilterSize==1 && c->vChrFilterSize==2) av_log(c, AV_LOG_VERBOSE, "using 1-tap %s \"scaler\" for vertical luminance scaling (BGR)\n" " 2-tap scaler for vertical chrominance scaling (BGR)\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C"); @@ -3121,8 +3035,7 @@ SwsContext *sws_getContext(int srcW, int srcH, enum PixelFormat srcFormat, int d av_log(c, AV_LOG_VERBOSE, "%dx%d -> %dx%d\n", srcW, srcH, dstW, dstH); } - if (flags & SWS_PRINT_INFO) - { + if (flags & SWS_PRINT_INFO) { av_log(c, AV_LOG_DEBUG, "lum srcW=%d srcH=%d dstW=%d dstH=%d xInc=%d yInc=%d\n", c->srcW, c->srcH, c->dstW, c->dstH, c->lumXInc, c->lumYInc); av_log(c, AV_LOG_DEBUG, "chr srcW=%d srcH=%d dstW=%d dstH=%d xInc=%d yInc=%d\n", @@ -3133,10 +3046,11 @@ SwsContext *sws_getContext(int srcW, int srcH, enum PixelFormat srcFormat, int d return c; } -static void reset_ptr(uint8_t* src[], int format){ +static void reset_ptr(uint8_t* src[], int format) +{ if(!isALPHA(format)) src[3]=NULL; - if(!isPlanarYUV(format)){ + if(!isPlanarYUV(format)) { src[3]=src[2]=NULL; if( format != PIX_FMT_PAL8 && format != PIX_FMT_RGB8 @@ -3153,7 +3067,8 @@ static void reset_ptr(uint8_t* src[], int format){ * Assumes planar YUV to be in YUV order instead of YVU. */ int sws_scale(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dst[], int dstStride[]){ + int srcSliceH, uint8_t* dst[], int dstStride[]) +{ int i; uint8_t* src2[4]= {src[0], src[1], src[2], src[3]}; uint8_t* dst2[4]= {dst[0], dst[1], dst[2], dst[3]}; @@ -3166,27 +3081,27 @@ int sws_scale(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, if (srcSliceY == 0) c->sliceDir = 1; else c->sliceDir = -1; } - if (usePal(c->srcFormat)){ - for (i=0; i<256; i++){ + if (usePal(c->srcFormat)) { + for (i=0; i<256; i++) { int p, r, g, b,y,u,v; - if(c->srcFormat == PIX_FMT_PAL8){ + if(c->srcFormat == PIX_FMT_PAL8) { p=((uint32_t*)(src[1]))[i]; r= (p>>16)&0xFF; g= (p>> 8)&0xFF; b= p &0xFF; - }else if(c->srcFormat == PIX_FMT_RGB8){ + } 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){ + } 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){ + } else if(c->srcFormat == PIX_FMT_RGB4_BYTE) { r= (i>>3 )*255; g= ((i>>1)&3)*85; b= (i&1 )*255; - }else { + } else { assert(c->srcFormat == PIX_FMT_BGR4_BYTE); b= (i>>3 )*255; g= ((i>>1)&3)*85; @@ -3261,7 +3176,8 @@ int sws_scale(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, #if LIBSWSCALE_VERSION_MAJOR < 1 int sws_scale_ordered(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dst[], int dstStride[]){ + int srcSliceH, uint8_t* dst[], int dstStride[]) +{ return sws_scale(c, src, srcStride, srcSliceY, srcSliceH, dst, dstStride); } #endif @@ -3273,23 +3189,23 @@ SwsFilter *sws_getDefaultFilter(float lumaGBlur, float chromaGBlur, { SwsFilter *filter= av_malloc(sizeof(SwsFilter)); - if (lumaGBlur!=0.0){ + if (lumaGBlur!=0.0) { filter->lumH= sws_getGaussianVec(lumaGBlur, 3.0); filter->lumV= sws_getGaussianVec(lumaGBlur, 3.0); - }else{ + } else { filter->lumH= sws_getIdentityVec(); filter->lumV= sws_getIdentityVec(); } - if (chromaGBlur!=0.0){ + if (chromaGBlur!=0.0) { filter->chrH= sws_getGaussianVec(chromaGBlur, 3.0); filter->chrV= sws_getGaussianVec(chromaGBlur, 3.0); - }else{ + } else { filter->chrH= sws_getIdentityVec(); filter->chrV= sws_getIdentityVec(); } - if (chromaSharpen!=0.0){ + if (chromaSharpen!=0.0) { SwsVector *id= sws_getIdentityVec(); sws_scaleVec(filter->chrH, -chromaSharpen); sws_scaleVec(filter->chrV, -chromaSharpen); @@ -3298,7 +3214,7 @@ SwsFilter *sws_getDefaultFilter(float lumaGBlur, float chromaGBlur, sws_freeVec(id); } - if (lumaSharpen!=0.0){ + if (lumaSharpen!=0.0) { SwsVector *id= sws_getIdentityVec(); sws_scaleVec(filter->lumH, -lumaSharpen); sws_scaleVec(filter->lumV, -lumaSharpen); @@ -3324,7 +3240,8 @@ SwsFilter *sws_getDefaultFilter(float lumaGBlur, float chromaGBlur, return filter; } -SwsVector *sws_getGaussianVec(double variance, double quality){ +SwsVector *sws_getGaussianVec(double variance, double quality) +{ const int length= (int)(variance*quality + 0.5) | 1; int i; double *coeff= av_malloc(length*sizeof(double)); @@ -3334,8 +3251,7 @@ SwsVector *sws_getGaussianVec(double variance, double quality){ vec->coeff= coeff; vec->length= length; - for (i=0; i<length; i++) - { + for (i=0; i<length; i++) { double dist= i-middle; coeff[i]= exp(-dist*dist/(2*variance*variance)) / sqrt(2*variance*PI); } @@ -3345,7 +3261,8 @@ SwsVector *sws_getGaussianVec(double variance, double quality){ return vec; } -SwsVector *sws_getConstVec(double c, int length){ +SwsVector *sws_getConstVec(double c, int length) +{ int i; double *coeff= av_malloc(length*sizeof(double)); SwsVector *vec= av_malloc(sizeof(SwsVector)); @@ -3360,11 +3277,13 @@ SwsVector *sws_getConstVec(double c, int length){ } -SwsVector *sws_getIdentityVec(void){ +SwsVector *sws_getIdentityVec(void) +{ return sws_getConstVec(1.0, 1); } -double sws_dcVec(SwsVector *a){ +double sws_dcVec(SwsVector *a) +{ int i; double sum=0; @@ -3374,18 +3293,21 @@ double sws_dcVec(SwsVector *a){ return sum; } -void sws_scaleVec(SwsVector *a, double scalar){ +void sws_scaleVec(SwsVector *a, double scalar) +{ int i; for (i=0; i<a->length; i++) a->coeff[i]*= scalar; } -void sws_normalizeVec(SwsVector *a, double height){ +void sws_normalizeVec(SwsVector *a, double height) +{ sws_scaleVec(a, height/sws_dcVec(a)); } -static SwsVector *sws_getConvVec(SwsVector *a, SwsVector *b){ +static SwsVector *sws_getConvVec(SwsVector *a, SwsVector *b) +{ int length= a->length + b->length - 1; double *coeff= av_malloc(length*sizeof(double)); int i, j; @@ -3396,10 +3318,8 @@ static SwsVector *sws_getConvVec(SwsVector *a, SwsVector *b){ for (i=0; i<length; i++) coeff[i]= 0.0; - for (i=0; i<a->length; i++) - { - for (j=0; j<b->length; j++) - { + for (i=0; i<a->length; i++) { + for (j=0; j<b->length; j++) { coeff[i+j]+= a->coeff[i]*b->coeff[j]; } } @@ -3407,7 +3327,8 @@ static SwsVector *sws_getConvVec(SwsVector *a, SwsVector *b){ return vec; } -static SwsVector *sws_sumVec(SwsVector *a, SwsVector *b){ +static SwsVector *sws_sumVec(SwsVector *a, SwsVector *b) +{ int length= FFMAX(a->length, b->length); double *coeff= av_malloc(length*sizeof(double)); int i; @@ -3424,7 +3345,8 @@ static SwsVector *sws_sumVec(SwsVector *a, SwsVector *b){ return vec; } -static SwsVector *sws_diffVec(SwsVector *a, SwsVector *b){ +static SwsVector *sws_diffVec(SwsVector *a, SwsVector *b) +{ int length= FFMAX(a->length, b->length); double *coeff= av_malloc(length*sizeof(double)); int i; @@ -3442,7 +3364,8 @@ static SwsVector *sws_diffVec(SwsVector *a, SwsVector *b){ } /* shift left / or right if "shift" is negative */ -static SwsVector *sws_getShiftedVec(SwsVector *a, int shift){ +static SwsVector *sws_getShiftedVec(SwsVector *a, int shift) +{ int length= a->length + FFABS(shift)*2; double *coeff= av_malloc(length*sizeof(double)); int i; @@ -3453,15 +3376,15 @@ static SwsVector *sws_getShiftedVec(SwsVector *a, int shift){ for (i=0; i<length; i++) coeff[i]= 0.0; - for (i=0; i<a->length; i++) - { + for (i=0; i<a->length; i++) { coeff[i + (length-1)/2 - (a->length-1)/2 - shift]= a->coeff[i]; } return vec; } -void sws_shiftVec(SwsVector *a, int shift){ +void sws_shiftVec(SwsVector *a, int shift) +{ SwsVector *shifted= sws_getShiftedVec(a, shift); av_free(a->coeff); a->coeff= shifted->coeff; @@ -3469,7 +3392,8 @@ void sws_shiftVec(SwsVector *a, int shift){ av_free(shifted); } -void sws_addVec(SwsVector *a, SwsVector *b){ +void sws_addVec(SwsVector *a, SwsVector *b) +{ SwsVector *sum= sws_sumVec(a, b); av_free(a->coeff); a->coeff= sum->coeff; @@ -3477,7 +3401,8 @@ void sws_addVec(SwsVector *a, SwsVector *b){ av_free(sum); } -void sws_subVec(SwsVector *a, SwsVector *b){ +void sws_subVec(SwsVector *a, SwsVector *b) +{ SwsVector *diff= sws_diffVec(a, b); av_free(a->coeff); a->coeff= diff->coeff; @@ -3485,7 +3410,8 @@ void sws_subVec(SwsVector *a, SwsVector *b){ av_free(diff); } -void sws_convVec(SwsVector *a, SwsVector *b){ +void sws_convVec(SwsVector *a, SwsVector *b) +{ SwsVector *conv= sws_getConvVec(a, b); av_free(a->coeff); a->coeff= conv->coeff; @@ -3493,7 +3419,8 @@ void sws_convVec(SwsVector *a, SwsVector *b){ av_free(conv); } -SwsVector *sws_cloneVec(SwsVector *a){ +SwsVector *sws_cloneVec(SwsVector *a) +{ double *coeff= av_malloc(a->length*sizeof(double)); int i; SwsVector *vec= av_malloc(sizeof(SwsVector)); @@ -3506,7 +3433,8 @@ SwsVector *sws_cloneVec(SwsVector *a){ return vec; } -void sws_printVec2(SwsVector *a, AVClass *log_ctx, int log_level){ +void sws_printVec2(SwsVector *a, AVClass *log_ctx, int log_level) +{ int i; double max=0; double min=0; @@ -3520,8 +3448,7 @@ void sws_printVec2(SwsVector *a, AVClass *log_ctx, int log_level){ range= max - min; - for (i=0; i<a->length; i++) - { + for (i=0; i<a->length; i++) { int x= (int)((a->coeff[i]-min)*60.0/range +0.5); av_log(log_ctx, log_level, "%1.3f ", a->coeff[i]); for (;x>0; x--) av_log(log_ctx, log_level, " "); @@ -3530,19 +3457,22 @@ void sws_printVec2(SwsVector *a, AVClass *log_ctx, int log_level){ } #if LIBSWSCALE_VERSION_MAJOR < 1 -void sws_printVec(SwsVector *a){ +void sws_printVec(SwsVector *a) +{ sws_printVec2(a, NULL, AV_LOG_DEBUG); } #endif -void sws_freeVec(SwsVector *a){ +void sws_freeVec(SwsVector *a) +{ if (!a) return; av_freep(&a->coeff); a->length=0; av_free(a); } -void sws_freeFilter(SwsFilter *filter){ +void sws_freeFilter(SwsFilter *filter) +{ if (!filter) return; if (filter->lumH) sws_freeVec(filter->lumH); @@ -3553,25 +3483,24 @@ void sws_freeFilter(SwsFilter *filter){ } -void sws_freeContext(SwsContext *c){ +void sws_freeContext(SwsContext *c) +{ int i; if (!c) return; - if (c->lumPixBuf) - { + if (c->lumPixBuf) { for (i=0; i<c->vLumBufSize; i++) av_freep(&c->lumPixBuf[i]); av_freep(&c->lumPixBuf); } - if (c->chrPixBuf) - { + if (c->chrPixBuf) { for (i=0; i<c->vChrBufSize; i++) av_freep(&c->chrPixBuf[i]); av_freep(&c->chrPixBuf); } - if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf){ + if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) { for (i=0; i<c->vLumBufSize; i++) av_freep(&c->alpPixBuf[i]); av_freep(&c->alpPixBuf); |