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ffmpeg.wasm-core
Commit 72b95764 authored by Diego Biurrun's avatar Diego Biurrun
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swscale: variable declaration and placement cosmetics

parent 5d42ac7f
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Showing with 90 additions and 117 deletions
libswscale/rgb2rgb.c
View file @ 72b95764
......@@ -125,8 +125,8 @@ void sws_rgb2rgb_init(void)
void rgb32to24(const uint8_t *src, uint8_t *dst, int src_size)
{
int i;
int num_pixels = src_size >> 2;
int i, num_pixels = src_size >> 2;
for (i=0; i<num_pixels; i++) {
#if HAVE_BIGENDIAN
/* RGB32 (= A,B,G,R) -> BGR24 (= B,G,R) */
......@@ -162,13 +162,12 @@ void rgb24to32(const uint8_t *src, uint8_t *dst, int src_size)
void rgb16tobgr32(const uint8_t *src, uint8_t *dst, int src_size)
{
const uint16_t *end;
uint8_t *d = dst;
const uint16_t *s = (const uint16_t *)src;
end = s + src_size/2;
const uint16_t *end = s + src_size / 2;
while (s < end) {
register uint16_t bgr;
bgr = *s++;
register uint16_t bgr = *s++;
#if HAVE_BIGENDIAN
*d++ = 255;
*d++ = (bgr&0x1F)<<3;
......@@ -185,11 +184,11 @@ void rgb16tobgr32(const uint8_t *src, uint8_t *dst, int src_size)
void rgb12to15(const uint8_t *src, uint8_t *dst, int src_size)
{
const uint16_t *end;
uint16_t *d = (uint16_t *)dst;
const uint16_t *s = (const uint16_t *)src;
uint16_t rgb, r, g, b;
end = s + src_size / 2;
const uint16_t *end = s + src_size / 2;
while (s < end) {
rgb = *s++;
r = rgb & 0xF00;
......@@ -204,13 +203,12 @@ void rgb12to15(const uint8_t *src, uint8_t *dst, int src_size)
void rgb16to24(const uint8_t *src, uint8_t *dst, int src_size)
{
const uint16_t *end;
uint8_t *d = dst;
const uint16_t *s = (const uint16_t *)src;
end = s + src_size/2;
const uint16_t *end = s + src_size / 2;
while (s < end) {
register uint16_t bgr;
bgr = *s++;
register uint16_t bgr = *s++;
*d++ = (bgr&0xF800)>>8;
*d++ = (bgr&0x7E0)>>3;
*d++ = (bgr&0x1F)<<3;
......@@ -219,8 +217,7 @@ void rgb16to24(const uint8_t *src, uint8_t *dst, int src_size)
void rgb16tobgr16(const uint8_t *src, uint8_t *dst, int src_size)
{
int i;
int num_pixels = src_size >> 1;
int i, num_pixels = src_size >> 1;
for (i=0; i<num_pixels; i++) {
unsigned rgb = ((const uint16_t*)src)[i];
......@@ -230,8 +227,7 @@ void rgb16tobgr16(const uint8_t *src, uint8_t *dst, int src_size)
void rgb16tobgr15(const uint8_t *src, uint8_t *dst, int src_size)
{
int i;
int num_pixels = src_size >> 1;
int i, num_pixels = src_size >> 1;
for (i=0; i<num_pixels; i++) {
unsigned rgb = ((const uint16_t*)src)[i];
......@@ -241,13 +237,12 @@ void rgb16tobgr15(const uint8_t *src, uint8_t *dst, int src_size)
void rgb15tobgr32(const uint8_t *src, uint8_t *dst, int src_size)
{
const uint16_t *end;
uint8_t *d = dst;
const uint16_t *s = (const uint16_t *)src;
end = s + src_size/2;
const uint16_t *end = s + src_size / 2;
while (s < end) {
register uint16_t bgr;
bgr = *s++;
register uint16_t bgr = *s++;
#if HAVE_BIGENDIAN
*d++ = 255;
*d++ = (bgr&0x1F)<<3;
......@@ -264,13 +259,12 @@ void rgb15tobgr32(const uint8_t *src, uint8_t *dst, int src_size)
void rgb15to24(const uint8_t *src, uint8_t *dst, int src_size)
{
const uint16_t *end;
uint8_t *d = dst;
const uint16_t *s = (const uint16_t *)src;
end = s + src_size/2;
const uint16_t *end = s + src_size / 2;
while (s < end) {
register uint16_t bgr;
bgr = *s++;
register uint16_t bgr = *s++;
*d++ = (bgr&0x7C00)>>7;
*d++ = (bgr&0x3E0)>>2;
*d++ = (bgr&0x1F)<<3;
......@@ -279,8 +273,7 @@ void rgb15to24(const uint8_t *src, uint8_t *dst, int src_size)
void rgb15tobgr16(const uint8_t *src, uint8_t *dst, int src_size)
{
int i;
int num_pixels = src_size >> 1;
int i, num_pixels = src_size >> 1;
for (i=0; i<num_pixels; i++) {
unsigned rgb = ((const uint16_t*)src)[i];
......@@ -290,13 +283,11 @@ void rgb15tobgr16(const uint8_t *src, uint8_t *dst, int src_size)
void rgb15tobgr15(const uint8_t *src, uint8_t *dst, int src_size)
{
int i;
int num_pixels = src_size >> 1;
int i, num_pixels = src_size >> 1;
for (i=0; i<num_pixels; i++) {
unsigned br;
unsigned rgb = ((const uint16_t*)src)[i];
br = rgb&0x7c1F;
unsigned br = rgb & 0x7C1F;
((uint16_t*)dst)[i] = (br>>10) | (rgb&0x3E0) | (br<<10);
}
}
......@@ -305,8 +296,7 @@ void rgb12tobgr12(const uint8_t *src, uint8_t *dst, int src_size)
{
uint16_t *d = (uint16_t*)dst;
uint16_t *s = (uint16_t*)src;
int i;
int num_pixels = src_size >> 1;
int i, num_pixels = src_size >> 1;
for (i = 0; i < num_pixels; i++) {
unsigned rgb = s[i];
......@@ -316,15 +306,13 @@ void rgb12tobgr12(const uint8_t *src, uint8_t *dst, int src_size)
void bgr8torgb8(const uint8_t *src, uint8_t *dst, int src_size)
{
int i;
int num_pixels = src_size;
int i, num_pixels = src_size;
for (i=0; i<num_pixels; i++) {
unsigned b,g,r;
register uint8_t rgb;
rgb = src[i];
r = (rgb&0x07);
g = (rgb&0x38)>>3;
b = (rgb&0xC0)>>6;
register uint8_t rgb = src[i];
unsigned r = (rgb & 0x07);
unsigned g = (rgb & 0x38) >> 3;
unsigned b = (rgb & 0xC0) >> 6;
dst[i] = ((b<<1)&0x07) | ((g&0x07)<<3) | ((r&0x03)<<6);
}
}
......
libswscale/rgb2rgb_template.c
View file @ 72b95764
......@@ -30,8 +30,7 @@ static inline void rgb24tobgr32_c(const uint8_t *src, uint8_t *dst, int src_size
{
uint8_t *dest = dst;
const uint8_t *s = src;
const uint8_t *end;
end = s + src_size;
const uint8_t *end = s + src_size;
while (s < end) {
#if HAVE_BIGENDIAN
......@@ -54,9 +53,7 @@ static inline void rgb32tobgr24_c(const uint8_t *src, uint8_t *dst, int src_size
{
uint8_t *dest = dst;
const uint8_t *s = src;
const uint8_t *end;
end = s + src_size;
const uint8_t *end = s + src_size;
while (s < end) {
#if HAVE_BIGENDIAN
......@@ -85,10 +82,9 @@ static inline void rgb15to16_c(const uint8_t *src, uint8_t *dst, int src_size)
{
register const uint8_t* s=src;
register uint8_t* d=dst;
register const uint8_t *end;
const uint8_t *mm_end;
end = s + src_size;
mm_end = end - 3;
register const uint8_t *end = s + src_size;
const uint8_t *mm_end = end - 3;
while (s < mm_end) {
register unsigned x= *((const uint32_t *)s);
*((uint32_t *)d) = (x&0x7FFF7FFF) + (x&0x7FE07FE0);
......@@ -105,11 +101,9 @@ static inline void rgb16to15_c(const uint8_t *src, uint8_t *dst, int src_size)
{
register const uint8_t* s=src;
register uint8_t* d=dst;
register const uint8_t *end;
const uint8_t *mm_end;
end = s + src_size;
register const uint8_t *end = s + src_size;
const uint8_t *mm_end = end - 3;
mm_end = end - 3;
while (s < mm_end) {
register uint32_t x= *((const uint32_t*)s);
*((uint32_t *)d) = ((x>>1)&0x7FE07FE0) | (x&0x001F001F);
......@@ -125,9 +119,8 @@ static inline void rgb16to15_c(const uint8_t *src, uint8_t *dst, int src_size)
static inline void rgb32to16_c(const uint8_t *src, uint8_t *dst, int src_size)
{
const uint8_t *s = src;
const uint8_t *end;
uint16_t *d = (uint16_t *)dst;
end = s + src_size;
const uint8_t *end = s + src_size;
while (s < end) {
register int rgb = *(const uint32_t*)s; s += 4;
......@@ -138,9 +131,9 @@ static inline void rgb32to16_c(const uint8_t *src, uint8_t *dst, int src_size)
static inline void rgb32tobgr16_c(const uint8_t *src, uint8_t *dst, int src_size)
{
const uint8_t *s = src;
const uint8_t *end;
uint16_t *d = (uint16_t *)dst;
end = s + src_size;
const uint8_t *end = s + src_size;
while (s < end) {
register int rgb = *(const uint32_t*)s; s += 4;
*d++ = ((rgb&0xF8)<<8) + ((rgb&0xFC00)>>5) + ((rgb&0xF80000)>>19);
......@@ -150,9 +143,9 @@ static inline void rgb32tobgr16_c(const uint8_t *src, uint8_t *dst, int src_size
static inline void rgb32to15_c(const uint8_t *src, uint8_t *dst, int src_size)
{
const uint8_t *s = src;
const uint8_t *end;
uint16_t *d = (uint16_t *)dst;
end = s + src_size;
const uint8_t *end = s + src_size;
while (s < end) {
register int rgb = *(const uint32_t*)s; s += 4;
*d++ = ((rgb&0xFF)>>3) + ((rgb&0xF800)>>6) + ((rgb&0xF80000)>>9);
......@@ -162,9 +155,9 @@ static inline void rgb32to15_c(const uint8_t *src, uint8_t *dst, int src_size)
static inline void rgb32tobgr15_c(const uint8_t *src, uint8_t *dst, int src_size)
{
const uint8_t *s = src;
const uint8_t *end;
uint16_t *d = (uint16_t *)dst;
end = s + src_size;
const uint8_t *end = s + src_size;
while (s < end) {
register int rgb = *(const uint32_t*)s; s += 4;
*d++ = ((rgb&0xF8)<<7) + ((rgb&0xF800)>>6) + ((rgb&0xF80000)>>19);
......@@ -174,9 +167,9 @@ static inline void rgb32tobgr15_c(const uint8_t *src, uint8_t *dst, int src_size
static inline void rgb24tobgr16_c(const uint8_t *src, uint8_t *dst, int src_size)
{
const uint8_t *s = src;
const uint8_t *end;
uint16_t *d = (uint16_t *)dst;
end = s + src_size;
const uint8_t *end = s + src_size;
while (s < end) {
const int b = *s++;
const int g = *s++;
......@@ -188,9 +181,9 @@ static inline void rgb24tobgr16_c(const uint8_t *src, uint8_t *dst, int src_size
static inline void rgb24to16_c(const uint8_t *src, uint8_t *dst, int src_size)
{
const uint8_t *s = src;
const uint8_t *end;
uint16_t *d = (uint16_t *)dst;
end = s + src_size;
const uint8_t *end = s + src_size;
while (s < end) {
const int r = *s++;
const int g = *s++;
......@@ -202,9 +195,9 @@ static inline void rgb24to16_c(const uint8_t *src, uint8_t *dst, int src_size)
static inline void rgb24tobgr15_c(const uint8_t *src, uint8_t *dst, int src_size)
{
const uint8_t *s = src;
const uint8_t *end;
uint16_t *d = (uint16_t *)dst;
end = s + src_size;
const uint8_t *end = s + src_size;
while (s < end) {
const int b = *s++;
const int g = *s++;
......@@ -216,9 +209,9 @@ static inline void rgb24tobgr15_c(const uint8_t *src, uint8_t *dst, int src_size
static inline void rgb24to15_c(const uint8_t *src, uint8_t *dst, int src_size)
{
const uint8_t *s = src;
const uint8_t *end;
uint16_t *d = (uint16_t *)dst;
end = s + src_size;
const uint8_t *end = s + src_size;
while (s < end) {
const int r = *s++;
const int g = *s++;
......@@ -250,13 +243,12 @@ static inline void rgb24to15_c(const uint8_t *src, uint8_t *dst, int src_size)
*/
static inline void rgb15tobgr24_c(const uint8_t *src, uint8_t *dst, int src_size)
{
const uint16_t *end;
uint8_t *d = dst;
const uint16_t *s = (const uint16_t*)src;
end = s + src_size/2;
const uint16_t *end = s + src_size / 2;
while (s < end) {
register uint16_t bgr;
bgr = *s++;
register uint16_t bgr = *s++;
*d++ = (bgr&0x1F)<<3;
*d++ = (bgr&0x3E0)>>2;
*d++ = (bgr&0x7C00)>>7;
......@@ -265,13 +257,12 @@ static inline void rgb15tobgr24_c(const uint8_t *src, uint8_t *dst, int src_size
static inline void rgb16tobgr24_c(const uint8_t *src, uint8_t *dst, int src_size)
{
const uint16_t *end;
uint8_t *d = (uint8_t *)dst;
const uint16_t *s = (const uint16_t *)src;
end = s + src_size/2;
const uint16_t *end = s + src_size / 2;
while (s < end) {
register uint16_t bgr;
bgr = *s++;
register uint16_t bgr = *s++;
*d++ = (bgr&0x1F)<<3;
*d++ = (bgr&0x7E0)>>3;
*d++ = (bgr&0xF800)>>8;
......@@ -280,13 +271,12 @@ static inline void rgb16tobgr24_c(const uint8_t *src, uint8_t *dst, int src_size
static inline void rgb15to32_c(const uint8_t *src, uint8_t *dst, int src_size)
{
const uint16_t *end;
uint8_t *d = dst;
const uint16_t *s = (const uint16_t *)src;
end = s + src_size/2;
const uint16_t *end = s + src_size / 2;
while (s < end) {
register uint16_t bgr;
bgr = *s++;
register uint16_t bgr = *s++;
#if HAVE_BIGENDIAN
*d++ = 255;
*d++ = (bgr&0x7C00)>>7;
......@@ -303,13 +293,12 @@ static inline void rgb15to32_c(const uint8_t *src, uint8_t *dst, int src_size)
static inline void rgb16to32_c(const uint8_t *src, uint8_t *dst, int src_size)
{
const uint16_t *end;
uint8_t *d = dst;
const uint16_t *s = (const uint16_t*)src;
end = s + src_size/2;
const uint16_t *end = s + src_size / 2;
while (s < end) {
register uint16_t bgr;
bgr = *s++;
register uint16_t bgr = *s++;
#if HAVE_BIGENDIAN
*d++ = 255;
*d++ = (bgr&0xF800)>>8;
......@@ -340,8 +329,7 @@ static inline void rgb24tobgr24_c(const uint8_t *src, uint8_t *dst, int src_size
{
unsigned i;
for (i=0; i<src_size; i+=3) {
register uint8_t x;
x = src[i + 2];
register uint8_t x = src[i + 2];
dst[i + 1] = src[i + 1];
dst[i + 2] = src[i + 0];
dst[i + 0] = x;
......@@ -354,19 +342,17 @@ static inline void yuvPlanartoyuy2_c(const uint8_t *ysrc, const uint8_t *usrc,
int lumStride, int chromStride,
int dstStride, int vertLumPerChroma)
{
int y;
int y, i;
const int chromWidth = width >> 1;
for (y=0; y<height; y++) {
#if HAVE_FAST_64BIT
int i;
uint64_t *ldst = (uint64_t *) dst;
const uint8_t *yc = ysrc, *uc = usrc, *vc = vsrc;
for (i = 0; i < chromWidth; i += 2) {
uint64_t k, l;
k = yc[0] + (uc[0] << 8) +
(yc[1] << 16) + (vc[0] << 24);
l = yc[2] + (uc[1] << 8) +
(yc[3] << 16) + (vc[1] << 24);
uint64_t k = yc[0] + (uc[0] << 8) +
(yc[1] << 16) + (vc[0] << 24);
uint64_t l = yc[2] + (uc[1] << 8) +
(yc[3] << 16) + (vc[1] << 24);
*ldst++ = k + (l << 32);
yc += 4;
uc += 2;
......@@ -374,7 +360,7 @@ static inline void yuvPlanartoyuy2_c(const uint8_t *ysrc, const uint8_t *usrc,
}
#else
int i, *idst = (int32_t *) dst;
int *idst = (int32_t *) dst;
const uint8_t *yc = ysrc, *uc = usrc, *vc = vsrc;
for (i = 0; i < chromWidth; i++) {
#if HAVE_BIGENDIAN
......@@ -419,19 +405,17 @@ static inline void yuvPlanartouyvy_c(const uint8_t *ysrc, const uint8_t *usrc,
int lumStride, int chromStride,
int dstStride, int vertLumPerChroma)
{
int y;
int y, i;
const int chromWidth = width >> 1;
for (y=0; y<height; y++) {
#if HAVE_FAST_64BIT
int i;
uint64_t *ldst = (uint64_t *) dst;
const uint8_t *yc = ysrc, *uc = usrc, *vc = vsrc;
for (i = 0; i < chromWidth; i += 2) {
uint64_t k, l;
k = uc[0] + (yc[0] << 8) +
(vc[0] << 16) + (yc[1] << 24);
l = uc[1] + (yc[2] << 8) +
(vc[1] << 16) + (yc[3] << 24);
uint64_t k = uc[0] + (yc[0] << 8) +
(vc[0] << 16) + (yc[1] << 24);
uint64_t l = uc[1] + (yc[2] << 8) +
(vc[1] << 16) + (yc[3] << 24);
*ldst++ = k + (l << 32);
yc += 4;
uc += 2;
......@@ -439,7 +423,7 @@ static inline void yuvPlanartouyvy_c(const uint8_t *ysrc, const uint8_t *usrc,
}
#else
int i, *idst = (int32_t *) dst;
int *idst = (int32_t *) dst;
const uint8_t *yc = ysrc, *uc = usrc, *vc = vsrc;
for (i = 0; i < chromWidth; i++) {
#if HAVE_BIGENDIAN
......@@ -632,8 +616,8 @@ void rgb24toyv12_c(const uint8_t *src, uint8_t *ydst, uint8_t *udst,
{
int y;
const int chromWidth = width >> 1;
y=0;
for (; y<height; y+=2) {
for (y = 0; y < height; y += 2) {
int i;
for (i=0; i<chromWidth; i++) {
unsigned int b = src[6*i+0];
......@@ -706,20 +690,21 @@ static inline void vu9_to_vu12_c(const uint8_t *src1, const uint8_t *src2,
int srcStride1, int srcStride2,
int dstStride1, int dstStride2)
{
int y;
int x,w,h;
w=width/2; h=height/2;
int x, y;
int w = width / 2;
int h = height / 2;
for (y=0;y<h;y++) {
const uint8_t* s1=src1+srcStride1*(y>>1);
uint8_t* d=dst1+dstStride1*y;
x=0;
for (;x<w;x++) d[2*x]=d[2*x+1]=s1[x];
for (x = 0; x < w; x++)
d[2 * x] = d[2 * x + 1] = s1[x];
}
for (y=0;y<h;y++) {
const uint8_t* s2=src2+srcStride2*(y>>1);
uint8_t* d=dst2+dstStride2*y;
x=0;
for (;x<w;x++) d[2*x]=d[2*x+1]=s2[x];
for (x = 0; x < w; x++)
d[2 * x] = d[2 * x + 1] = s2[x];
}
}
......@@ -729,16 +714,16 @@ static inline void yvu9_to_yuy2_c(const uint8_t *src1, const uint8_t *src2,
int srcStride1, int srcStride2,
int srcStride3, int dstStride)
{
int x;
int y,w,h;
w=width/2; h=height;
int x, y;
int w = width / 2;
int h = height;
for (y=0;y<h;y++) {
const uint8_t* yp=src1+srcStride1*y;
const uint8_t* up=src2+srcStride2*(y>>2);
const uint8_t* vp=src3+srcStride3*(y>>2);
uint8_t* d=dst+dstStride*y;
x=0;
for (; x<w; x++) {
for (x = 0; x < w; x++) {
const int x2 = x<<2;
d[8*x+0] = yp[x2];
d[8*x+1] = up[x];
......
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