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Diffstat (limited to 'chromium/media/base/simd/convert_yuv_to_rgb_c.cc')
-rw-r--r--chromium/media/base/simd/convert_yuv_to_rgb_c.cc89
1 files changed, 49 insertions, 40 deletions
diff --git a/chromium/media/base/simd/convert_yuv_to_rgb_c.cc b/chromium/media/base/simd/convert_yuv_to_rgb_c.cc
index 0466112918d..9d6476b07d5 100644
--- a/chromium/media/base/simd/convert_yuv_to_rgb_c.cc
+++ b/chromium/media/base/simd/convert_yuv_to_rgb_c.cc
@@ -38,21 +38,22 @@ namespace media {
static inline void ConvertYUVToRGB32_C(uint8 y,
uint8 u,
uint8 v,
- uint8* rgb_buf) {
- int b = kCoefficientsRgbY[256+u][B_INDEX];
- int g = kCoefficientsRgbY[256+u][G_INDEX];
- int r = kCoefficientsRgbY[256+u][R_INDEX];
- int a = kCoefficientsRgbY[256+u][A_INDEX];
+ uint8* rgb_buf,
+ const int16 convert_table[1024][4]) {
+ int b = convert_table[256+u][B_INDEX];
+ int g = convert_table[256+u][G_INDEX];
+ int r = convert_table[256+u][R_INDEX];
+ int a = convert_table[256+u][A_INDEX];
- b = paddsw(b, kCoefficientsRgbY[512+v][B_INDEX]);
- g = paddsw(g, kCoefficientsRgbY[512+v][G_INDEX]);
- r = paddsw(r, kCoefficientsRgbY[512+v][R_INDEX]);
- a = paddsw(a, kCoefficientsRgbY[512+v][A_INDEX]);
+ b = paddsw(b, convert_table[512+v][B_INDEX]);
+ g = paddsw(g, convert_table[512+v][G_INDEX]);
+ r = paddsw(r, convert_table[512+v][R_INDEX]);
+ a = paddsw(a, convert_table[512+v][A_INDEX]);
- b = paddsw(b, kCoefficientsRgbY[y][B_INDEX]);
- g = paddsw(g, kCoefficientsRgbY[y][G_INDEX]);
- r = paddsw(r, kCoefficientsRgbY[y][R_INDEX]);
- a = paddsw(a, kCoefficientsRgbY[y][A_INDEX]);
+ b = paddsw(b, convert_table[y][B_INDEX]);
+ g = paddsw(g, convert_table[y][G_INDEX]);
+ r = paddsw(r, convert_table[y][R_INDEX]);
+ a = paddsw(a, convert_table[y][A_INDEX]);
b >>= 6;
g >>= 6;
@@ -69,18 +70,19 @@ static inline void ConvertYUVAToARGB_C(uint8 y,
uint8 u,
uint8 v,
uint8 a,
- uint8* rgb_buf) {
- int b = kCoefficientsRgbY[256+u][0];
- int g = kCoefficientsRgbY[256+u][1];
- int r = kCoefficientsRgbY[256+u][2];
+ uint8* rgb_buf,
+ const int16 convert_table[1024][4]) {
+ int b = convert_table[256+u][0];
+ int g = convert_table[256+u][1];
+ int r = convert_table[256+u][2];
- b = paddsw(b, kCoefficientsRgbY[512+v][0]);
- g = paddsw(g, kCoefficientsRgbY[512+v][1]);
- r = paddsw(r, kCoefficientsRgbY[512+v][2]);
+ b = paddsw(b, convert_table[512+v][0]);
+ g = paddsw(g, convert_table[512+v][1]);
+ r = paddsw(r, convert_table[512+v][2]);
- b = paddsw(b, kCoefficientsRgbY[y][0]);
- g = paddsw(g, kCoefficientsRgbY[y][1]);
- r = paddsw(r, kCoefficientsRgbY[y][2]);
+ b = paddsw(b, convert_table[y][0]);
+ g = paddsw(g, convert_table[y][1]);
+ r = paddsw(r, convert_table[y][2]);
b >>= 6;
g >>= 6;
@@ -100,15 +102,16 @@ void ConvertYUVToRGB32Row_C(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb_buf,
- ptrdiff_t width) {
+ ptrdiff_t width,
+ const int16 convert_table[1024][4]) {
for (int x = 0; x < width; x += 2) {
uint8 u = u_buf[x >> 1];
uint8 v = v_buf[x >> 1];
uint8 y0 = y_buf[x];
- ConvertYUVToRGB32_C(y0, u, v, rgb_buf);
+ ConvertYUVToRGB32_C(y0, u, v, rgb_buf, convert_table);
if ((x + 1) < width) {
uint8 y1 = y_buf[x + 1];
- ConvertYUVToRGB32_C(y1, u, v, rgb_buf + 4);
+ ConvertYUVToRGB32_C(y1, u, v, rgb_buf + 4, convert_table);
}
rgb_buf += 8; // Advance 2 pixels.
}
@@ -119,17 +122,18 @@ void ConvertYUVAToARGBRow_C(const uint8* y_buf,
const uint8* v_buf,
const uint8* a_buf,
uint8* rgba_buf,
- ptrdiff_t width) {
+ ptrdiff_t width,
+ const int16 convert_table[1024][4]) {
for (int x = 0; x < width; x += 2) {
uint8 u = u_buf[x >> 1];
uint8 v = v_buf[x >> 1];
uint8 y0 = y_buf[x];
uint8 a0 = a_buf[x];
- ConvertYUVAToARGB_C(y0, u, v, a0, rgba_buf);
+ ConvertYUVAToARGB_C(y0, u, v, a0, rgba_buf, convert_table);
if ((x + 1) < width) {
uint8 y1 = y_buf[x + 1];
uint8 a1 = a_buf[x + 1];
- ConvertYUVAToARGB_C(y1, u, v, a1, rgba_buf + 4);
+ ConvertYUVAToARGB_C(y1, u, v, a1, rgba_buf + 4, convert_table);
}
rgba_buf += 8; // Advance 2 pixels.
}
@@ -144,17 +148,18 @@ void ScaleYUVToRGB32Row_C(const uint8* y_buf,
const uint8* v_buf,
uint8* rgb_buf,
ptrdiff_t width,
- ptrdiff_t source_dx) {
+ ptrdiff_t source_dx,
+ const int16 convert_table[1024][4]) {
int x = 0;
for (int i = 0; i < width; i += 2) {
int y = y_buf[x >> 16];
int u = u_buf[(x >> 17)];
int v = v_buf[(x >> 17)];
- ConvertYUVToRGB32_C(y, u, v, rgb_buf);
+ ConvertYUVToRGB32_C(y, u, v, rgb_buf, convert_table);
x += source_dx;
if ((i + 1) < width) {
y = y_buf[x >> 16];
- ConvertYUVToRGB32_C(y, u, v, rgb_buf+4);
+ ConvertYUVToRGB32_C(y, u, v, rgb_buf+4, convert_table);
x += source_dx;
}
rgb_buf += 8;
@@ -166,13 +171,14 @@ void LinearScaleYUVToRGB32Row_C(const uint8* y_buf,
const uint8* v_buf,
uint8* rgb_buf,
ptrdiff_t width,
- ptrdiff_t source_dx) {
+ ptrdiff_t source_dx,
+ const int16 convert_table[1024][4]) {
// Avoid point-sampling for down-scaling by > 2:1.
int source_x = 0;
if (source_dx >= 0x20000)
source_x += 0x8000;
LinearScaleYUVToRGB32RowWithRange_C(y_buf, u_buf, v_buf, rgb_buf, width,
- source_x, source_dx);
+ source_x, source_dx, convert_table);
}
void LinearScaleYUVToRGB32RowWithRange_C(const uint8* y_buf,
@@ -181,7 +187,8 @@ void LinearScaleYUVToRGB32RowWithRange_C(const uint8* y_buf,
uint8* rgb_buf,
int dest_width,
int x,
- int source_dx) {
+ int source_dx,
+ const int16 convert_table[1024][4]) {
for (int i = 0; i < dest_width; i += 2) {
int y0 = y_buf[x >> 16];
int y1 = y_buf[(x >> 16) + 1];
@@ -194,14 +201,14 @@ void LinearScaleYUVToRGB32RowWithRange_C(const uint8* y_buf,
int y = (y_frac * y1 + (y_frac ^ 65535) * y0) >> 16;
int u = (uv_frac * u1 + (uv_frac ^ 65535) * u0) >> 16;
int v = (uv_frac * v1 + (uv_frac ^ 65535) * v0) >> 16;
- ConvertYUVToRGB32_C(y, u, v, rgb_buf);
+ ConvertYUVToRGB32_C(y, u, v, rgb_buf, convert_table);
x += source_dx;
if ((i + 1) < dest_width) {
y0 = y_buf[x >> 16];
y1 = y_buf[(x >> 16) + 1];
y_frac = (x & 65535);
y = (y_frac * y1 + (y_frac ^ 65535) * y0) >> 16;
- ConvertYUVToRGB32_C(y, u, v, rgb_buf+4);
+ ConvertYUVToRGB32_C(y, u, v, rgb_buf+4, convert_table);
x += source_dx;
}
rgb_buf += 8;
@@ -218,7 +225,7 @@ void ConvertYUVToRGB32_C(const uint8* yplane,
int uvstride,
int rgbstride,
YUVType yuv_type) {
- unsigned int y_shift = yuv_type;
+ unsigned int y_shift = GetVerticalShift(yuv_type);
for (int y = 0; y < height; ++y) {
uint8* rgb_row = rgbframe + y * rgbstride;
const uint8* y_ptr = yplane + y * ystride;
@@ -229,7 +236,8 @@ void ConvertYUVToRGB32_C(const uint8* yplane,
u_ptr,
v_ptr,
rgb_row,
- width);
+ width,
+ GetLookupTable(yuv_type));
}
}
@@ -258,7 +266,8 @@ void ConvertYUVAToARGB_C(const uint8* yplane,
v_ptr,
a_ptr,
rgba_row,
- width);
+ width,
+ GetLookupTable(yuv_type));
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-07 07:24:33 +0000