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-rw-r--r--files/source/row_common.cc2553
1 files changed, 1967 insertions, 586 deletions
diff --git a/files/source/row_common.cc b/files/source/row_common.cc
index c5f3ce05..32d2f686 100644
--- a/files/source/row_common.cc
+++ b/files/source/row_common.cc
@@ -4,13 +4,13 @@
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
- * in the file PATENTS. All contributing project authors may
+ * in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "libyuv/row.h"
-#include <string.h> // For memcpy
+#include <string.h> // For memcpy and memset.
#include "libyuv/basic_types.h"
@@ -19,56 +19,60 @@ namespace libyuv {
extern "C" {
#endif
-void BGRAToARGBRow_C(const uint8* src_bgra, uint8* dst_argb, int width) {
- for (int x = 0; x < width; ++x) {
- // To support in-place conversion.
- uint8 a = src_bgra[0];
- uint8 r = src_bgra[1];
- uint8 g = src_bgra[2];
- uint8 b = src_bgra[3];
- dst_argb[0] = b;
- dst_argb[1] = g;
- dst_argb[2] = r;
- dst_argb[3] = a;
- dst_argb += 4;
- src_bgra += 4;
- }
+// llvm x86 is poor at ternary operator, so use branchless min/max.
+
+#define USE_BRANCHLESS 1
+#if USE_BRANCHLESS
+static __inline int32 clamp0(int32 v) {
+ return ((-(v) >> 31) & (v));
}
-void ABGRToARGBRow_C(const uint8* src_abgr, uint8* dst_argb, int width) {
- for (int x = 0; x < width; ++x) {
- // To support in-place conversion.
- uint8 r = src_abgr[0];
- uint8 g = src_abgr[1];
- uint8 b = src_abgr[2];
- uint8 a = src_abgr[3];
- dst_argb[0] = b;
- dst_argb[1] = g;
- dst_argb[2] = r;
- dst_argb[3] = a;
- dst_argb += 4;
- src_abgr += 4;
- }
+static __inline int32 clamp255(int32 v) {
+ return (((255 - (v)) >> 31) | (v)) & 255;
}
-void RGBAToARGBRow_C(const uint8* src_abgr, uint8* dst_argb, int width) {
- for (int x = 0; x < width; ++x) {
- // To support in-place conversion.
- uint8 a = src_abgr[0];
- uint8 b = src_abgr[1];
- uint8 g = src_abgr[2];
- uint8 r = src_abgr[3];
- dst_argb[0] = b;
- dst_argb[1] = g;
- dst_argb[2] = r;
- dst_argb[3] = a;
- dst_argb += 4;
- src_abgr += 4;
- }
+static __inline uint32 Clamp(int32 val) {
+ int v = clamp0(val);
+ return (uint32)(clamp255(v));
+}
+
+static __inline uint32 Abs(int32 v) {
+ int m = v >> 31;
+ return (v + m) ^ m;
+}
+#else // USE_BRANCHLESS
+static __inline int32 clamp0(int32 v) {
+ return (v < 0) ? 0 : v;
+}
+
+static __inline int32 clamp255(int32 v) {
+ return (v > 255) ? 255 : v;
}
+static __inline uint32 Clamp(int32 val) {
+ int v = clamp0(val);
+ return (uint32)(clamp255(v));
+}
+
+static __inline uint32 Abs(int32 v) {
+ return (v < 0) ? -v : v;
+}
+#endif // USE_BRANCHLESS
+
+#ifdef LIBYUV_LITTLE_ENDIAN
+#define WRITEWORD(p, v) *(uint32*)(p) = v
+#else
+static inline void WRITEWORD(uint8* p, uint32 v) {
+ p[0] = (uint8)(v & 255);
+ p[1] = (uint8)((v >> 8) & 255);
+ p[2] = (uint8)((v >> 16) & 255);
+ p[3] = (uint8)((v >> 24) & 255);
+}
+#endif
+
void RGB24ToARGBRow_C(const uint8* src_rgb24, uint8* dst_argb, int width) {
- for (int x = 0; x < width; ++x) {
+ int x;
+ for (x = 0; x < width; ++x) {
uint8 b = src_rgb24[0];
uint8 g = src_rgb24[1];
uint8 r = src_rgb24[2];
@@ -82,7 +86,8 @@ void RGB24ToARGBRow_C(const uint8* src_rgb24, uint8* dst_argb, int width) {
}
void RAWToARGBRow_C(const uint8* src_raw, uint8* dst_argb, int width) {
- for (int x = 0; x < width; ++x) {
+ int x;
+ for (x = 0; x < width; ++x) {
uint8 r = src_raw[0];
uint8 g = src_raw[1];
uint8 b = src_raw[2];
@@ -95,67 +100,72 @@ void RAWToARGBRow_C(const uint8* src_raw, uint8* dst_argb, int width) {
}
}
-void RGB565ToARGBRow_C(const uint8* src_rgb, uint8* dst_argb, int width) {
- for (int x = 0; x < width; ++x) {
- uint8 b = src_rgb[0] & 0x1f;
- uint8 g = (src_rgb[0] >> 5) | ((src_rgb[1] & 0x07) << 3);
- uint8 r = src_rgb[1] >> 3;
+void RAWToRGB24Row_C(const uint8* src_raw, uint8* dst_rgb24, int width) {
+ int x;
+ for (x = 0; x < width; ++x) {
+ uint8 r = src_raw[0];
+ uint8 g = src_raw[1];
+ uint8 b = src_raw[2];
+ dst_rgb24[0] = b;
+ dst_rgb24[1] = g;
+ dst_rgb24[2] = r;
+ dst_rgb24 += 3;
+ src_raw += 3;
+ }
+}
+
+void RGB565ToARGBRow_C(const uint8* src_rgb565, uint8* dst_argb, int width) {
+ int x;
+ for (x = 0; x < width; ++x) {
+ uint8 b = src_rgb565[0] & 0x1f;
+ uint8 g = (src_rgb565[0] >> 5) | ((src_rgb565[1] & 0x07) << 3);
+ uint8 r = src_rgb565[1] >> 3;
dst_argb[0] = (b << 3) | (b >> 2);
dst_argb[1] = (g << 2) | (g >> 4);
dst_argb[2] = (r << 3) | (r >> 2);
dst_argb[3] = 255u;
dst_argb += 4;
- src_rgb += 2;
+ src_rgb565 += 2;
}
}
-void ARGB1555ToARGBRow_C(const uint8* src_rgb, uint8* dst_argb, int width) {
- for (int x = 0; x < width; ++x) {
- uint8 b = src_rgb[0] & 0x1f;
- uint8 g = (src_rgb[0] >> 5) | ((src_rgb[1] & 0x03) << 3);
- uint8 r = (src_rgb[1] & 0x7c) >> 2;
- uint8 a = src_rgb[1] >> 7;
+void ARGB1555ToARGBRow_C(const uint8* src_argb1555, uint8* dst_argb,
+ int width) {
+ int x;
+ for (x = 0; x < width; ++x) {
+ uint8 b = src_argb1555[0] & 0x1f;
+ uint8 g = (src_argb1555[0] >> 5) | ((src_argb1555[1] & 0x03) << 3);
+ uint8 r = (src_argb1555[1] & 0x7c) >> 2;
+ uint8 a = src_argb1555[1] >> 7;
dst_argb[0] = (b << 3) | (b >> 2);
dst_argb[1] = (g << 3) | (g >> 2);
dst_argb[2] = (r << 3) | (r >> 2);
dst_argb[3] = -a;
dst_argb += 4;
- src_rgb += 2;
+ src_argb1555 += 2;
}
}
-void ARGB4444ToARGBRow_C(const uint8* src_rgb, uint8* dst_argb, int width) {
- for (int x = 0; x < width; ++x) {
- uint8 b = src_rgb[0] & 0x0f;
- uint8 g = src_rgb[0] >> 4;
- uint8 r = src_rgb[1] & 0x0f;
- uint8 a = src_rgb[1] >> 4;
+void ARGB4444ToARGBRow_C(const uint8* src_argb4444, uint8* dst_argb,
+ int width) {
+ int x;
+ for (x = 0; x < width; ++x) {
+ uint8 b = src_argb4444[0] & 0x0f;
+ uint8 g = src_argb4444[0] >> 4;
+ uint8 r = src_argb4444[1] & 0x0f;
+ uint8 a = src_argb4444[1] >> 4;
dst_argb[0] = (b << 4) | b;
dst_argb[1] = (g << 4) | g;
dst_argb[2] = (r << 4) | r;
dst_argb[3] = (a << 4) | a;
dst_argb += 4;
- src_rgb += 2;
- }
-}
-
-void ARGBToRGBARow_C(const uint8* src_argb, uint8* dst_rgb, int width) {
- for (int x = 0; x < width; ++x) {
- uint8 b = src_argb[0];
- uint8 g = src_argb[1];
- uint8 r = src_argb[2];
- uint8 a = src_argb[3];
- dst_rgb[0] = a;
- dst_rgb[1] = b;
- dst_rgb[2] = g;
- dst_rgb[3] = r;
- dst_rgb += 4;
- src_argb += 4;
+ src_argb4444 += 2;
}
}
void ARGBToRGB24Row_C(const uint8* src_argb, uint8* dst_rgb, int width) {
- for (int x = 0; x < width; ++x) {
+ int x;
+ for (x = 0; x < width; ++x) {
uint8 b = src_argb[0];
uint8 g = src_argb[1];
uint8 r = src_argb[2];
@@ -168,7 +178,8 @@ void ARGBToRGB24Row_C(const uint8* src_argb, uint8* dst_rgb, int width) {
}
void ARGBToRAWRow_C(const uint8* src_argb, uint8* dst_rgb, int width) {
- for (int x = 0; x < width; ++x) {
+ int x;
+ for (x = 0; x < width; ++x) {
uint8 b = src_argb[0];
uint8 g = src_argb[1];
uint8 r = src_argb[2];
@@ -180,17 +191,17 @@ void ARGBToRAWRow_C(const uint8* src_argb, uint8* dst_rgb, int width) {
}
}
-// TODO(fbarchard): support big endian CPU
void ARGBToRGB565Row_C(const uint8* src_argb, uint8* dst_rgb, int width) {
- for (int x = 0; x < width - 1; x += 2) {
+ int x;
+ for (x = 0; x < width - 1; x += 2) {
uint8 b0 = src_argb[0] >> 3;
uint8 g0 = src_argb[1] >> 2;
uint8 r0 = src_argb[2] >> 3;
uint8 b1 = src_argb[4] >> 3;
uint8 g1 = src_argb[5] >> 2;
uint8 r1 = src_argb[6] >> 3;
- *reinterpret_cast<uint32*>(dst_rgb) = b0 | (g0 << 5) | (r0 << 11) |
- (b1 << 16) | (g1 << 21) | (r1 << 27);
+ WRITEWORD(dst_rgb, b0 | (g0 << 5) | (r0 << 11) |
+ (b1 << 16) | (g1 << 21) | (r1 << 27));
dst_rgb += 4;
src_argb += 8;
}
@@ -198,12 +209,47 @@ void ARGBToRGB565Row_C(const uint8* src_argb, uint8* dst_rgb, int width) {
uint8 b0 = src_argb[0] >> 3;
uint8 g0 = src_argb[1] >> 2;
uint8 r0 = src_argb[2] >> 3;
- *reinterpret_cast<uint16*>(dst_rgb) = b0 | (g0 << 5) | (r0 << 11);
+ *(uint16*)(dst_rgb) = b0 | (g0 << 5) | (r0 << 11);
+ }
+}
+
+// dither4 is a row of 4 values from 4x4 dither matrix.
+// The 4x4 matrix contains values to increase RGB. When converting to
+// fewer bits (565) this provides an ordered dither.
+// The order in the 4x4 matrix in first byte is upper left.
+// The 4 values are passed as an int, then referenced as an array, so
+// endian will not affect order of the original matrix. But the dither4
+// will containing the first pixel in the lower byte for little endian
+// or the upper byte for big endian.
+void ARGBToRGB565DitherRow_C(const uint8* src_argb, uint8* dst_rgb,
+ const uint32 dither4, int width) {
+ int x;
+ for (x = 0; x < width - 1; x += 2) {
+ int dither0 = ((const unsigned char*)(&dither4))[x & 3];
+ int dither1 = ((const unsigned char*)(&dither4))[(x + 1) & 3];
+ uint8 b0 = clamp255(src_argb[0] + dither0) >> 3;
+ uint8 g0 = clamp255(src_argb[1] + dither0) >> 2;
+ uint8 r0 = clamp255(src_argb[2] + dither0) >> 3;
+ uint8 b1 = clamp255(src_argb[4] + dither1) >> 3;
+ uint8 g1 = clamp255(src_argb[5] + dither1) >> 2;
+ uint8 r1 = clamp255(src_argb[6] + dither1) >> 3;
+ WRITEWORD(dst_rgb, b0 | (g0 << 5) | (r0 << 11) |
+ (b1 << 16) | (g1 << 21) | (r1 << 27));
+ dst_rgb += 4;
+ src_argb += 8;
+ }
+ if (width & 1) {
+ int dither0 = ((const unsigned char*)(&dither4))[(width - 1) & 3];
+ uint8 b0 = clamp255(src_argb[0] + dither0) >> 3;
+ uint8 g0 = clamp255(src_argb[1] + dither0) >> 2;
+ uint8 r0 = clamp255(src_argb[2] + dither0) >> 3;
+ *(uint16*)(dst_rgb) = b0 | (g0 << 5) | (r0 << 11);
}
}
void ARGBToARGB1555Row_C(const uint8* src_argb, uint8* dst_rgb, int width) {
- for (int x = 0; x < width - 1; x += 2) {
+ int x;
+ for (x = 0; x < width - 1; x += 2) {
uint8 b0 = src_argb[0] >> 3;
uint8 g0 = src_argb[1] >> 3;
uint8 r0 = src_argb[2] >> 3;
@@ -212,7 +258,7 @@ void ARGBToARGB1555Row_C(const uint8* src_argb, uint8* dst_rgb, int width) {
uint8 g1 = src_argb[5] >> 3;
uint8 r1 = src_argb[6] >> 3;
uint8 a1 = src_argb[7] >> 7;
- *reinterpret_cast<uint32*>(dst_rgb) =
+ *(uint32*)(dst_rgb) =
b0 | (g0 << 5) | (r0 << 10) | (a0 << 15) |
(b1 << 16) | (g1 << 21) | (r1 << 26) | (a1 << 31);
dst_rgb += 4;
@@ -223,13 +269,14 @@ void ARGBToARGB1555Row_C(const uint8* src_argb, uint8* dst_rgb, int width) {
uint8 g0 = src_argb[1] >> 3;
uint8 r0 = src_argb[2] >> 3;
uint8 a0 = src_argb[3] >> 7;
- *reinterpret_cast<uint16*>(dst_rgb) =
+ *(uint16*)(dst_rgb) =
b0 | (g0 << 5) | (r0 << 10) | (a0 << 15);
}
}
void ARGBToARGB4444Row_C(const uint8* src_argb, uint8* dst_rgb, int width) {
- for (int x = 0; x < width - 1; x += 2) {
+ int x;
+ for (x = 0; x < width - 1; x += 2) {
uint8 b0 = src_argb[0] >> 4;
uint8 g0 = src_argb[1] >> 4;
uint8 r0 = src_argb[2] >> 4;
@@ -238,7 +285,7 @@ void ARGBToARGB4444Row_C(const uint8* src_argb, uint8* dst_rgb, int width) {
uint8 g1 = src_argb[5] >> 4;
uint8 r1 = src_argb[6] >> 4;
uint8 a1 = src_argb[7] >> 4;
- *reinterpret_cast<uint32*>(dst_rgb) =
+ *(uint32*)(dst_rgb) =
b0 | (g0 << 4) | (r0 << 8) | (a0 << 12) |
(b1 << 16) | (g1 << 20) | (r1 << 24) | (a1 << 28);
dst_rgb += 4;
@@ -249,44 +296,46 @@ void ARGBToARGB4444Row_C(const uint8* src_argb, uint8* dst_rgb, int width) {
uint8 g0 = src_argb[1] >> 4;
uint8 r0 = src_argb[2] >> 4;
uint8 a0 = src_argb[3] >> 4;
- *reinterpret_cast<uint16*>(dst_rgb) =
+ *(uint16*)(dst_rgb) =
b0 | (g0 << 4) | (r0 << 8) | (a0 << 12);
}
}
static __inline int RGBToY(uint8 r, uint8 g, uint8 b) {
- return (( 66 * r + 129 * g + 25 * b + 128) >> 8) + 16;
+ return (66 * r + 129 * g + 25 * b + 0x1080) >> 8;
}
static __inline int RGBToU(uint8 r, uint8 g, uint8 b) {
- return ((-38 * r - 74 * g + 112 * b + 128) >> 8) + 128;
+ return (112 * b - 74 * g - 38 * r + 0x8080) >> 8;
}
static __inline int RGBToV(uint8 r, uint8 g, uint8 b) {
- return ((112 * r - 94 * g - 18 * b + 128) >> 8) + 128;
+ return (112 * r - 94 * g - 18 * b + 0x8080) >> 8;
}
-#define MAKEROWY(NAME, R, G, B) \
+#define MAKEROWY(NAME, R, G, B, BPP) \
void NAME ## ToYRow_C(const uint8* src_argb0, uint8* dst_y, int width) { \
- for (int x = 0; x < width; ++x) { \
+ int x; \
+ for (x = 0; x < width; ++x) { \
dst_y[0] = RGBToY(src_argb0[R], src_argb0[G], src_argb0[B]); \
- src_argb0 += 4; \
+ src_argb0 += BPP; \
dst_y += 1; \
} \
} \
void NAME ## ToUVRow_C(const uint8* src_rgb0, int src_stride_rgb, \
uint8* dst_u, uint8* dst_v, int width) { \
const uint8* src_rgb1 = src_rgb0 + src_stride_rgb; \
- for (int x = 0; x < width - 1; x += 2) { \
- uint8 ab = (src_rgb0[B] + src_rgb0[B + 4] + \
- src_rgb1[B] + src_rgb1[B + 4]) >> 2; \
- uint8 ag = (src_rgb0[G] + src_rgb0[G + 4] + \
- src_rgb1[G] + src_rgb1[G + 4]) >> 2; \
- uint8 ar = (src_rgb0[R] + src_rgb0[R + 4] + \
- src_rgb1[R] + src_rgb1[R + 4]) >> 2; \
+ int x; \
+ for (x = 0; x < width - 1; x += 2) { \
+ uint8 ab = (src_rgb0[B] + src_rgb0[B + BPP] + \
+ src_rgb1[B] + src_rgb1[B + BPP]) >> 2; \
+ uint8 ag = (src_rgb0[G] + src_rgb0[G + BPP] + \
+ src_rgb1[G] + src_rgb1[G + BPP]) >> 2; \
+ uint8 ar = (src_rgb0[R] + src_rgb0[R + BPP] + \
+ src_rgb1[R] + src_rgb1[R + BPP]) >> 2; \
dst_u[0] = RGBToU(ar, ag, ab); \
dst_v[0] = RGBToV(ar, ag, ab); \
- src_rgb0 += 8; \
- src_rgb1 += 8; \
+ src_rgb0 += BPP * 2; \
+ src_rgb1 += BPP * 2; \
dst_u += 1; \
dst_v += 1; \
} \
@@ -299,21 +348,333 @@ void NAME ## ToUVRow_C(const uint8* src_rgb0, int src_stride_rgb, \
} \
}
-MAKEROWY(ARGB, 2, 1, 0)
-MAKEROWY(BGRA, 1, 2, 3)
-MAKEROWY(ABGR, 0, 1, 2)
-MAKEROWY(RGBA, 3, 2, 1)
+MAKEROWY(ARGB, 2, 1, 0, 4)
+MAKEROWY(BGRA, 1, 2, 3, 4)
+MAKEROWY(ABGR, 0, 1, 2, 4)
+MAKEROWY(RGBA, 3, 2, 1, 4)
+MAKEROWY(RGB24, 2, 1, 0, 3)
+MAKEROWY(RAW, 0, 1, 2, 3)
+#undef MAKEROWY
+
+// JPeg uses a variation on BT.601-1 full range
+// y = 0.29900 * r + 0.58700 * g + 0.11400 * b
+// u = -0.16874 * r - 0.33126 * g + 0.50000 * b + center
+// v = 0.50000 * r - 0.41869 * g - 0.08131 * b + center
+// BT.601 Mpeg range uses:
+// b 0.1016 * 255 = 25.908 = 25
+// g 0.5078 * 255 = 129.489 = 129
+// r 0.2578 * 255 = 65.739 = 66
+// JPeg 8 bit Y (not used):
+// b 0.11400 * 256 = 29.184 = 29
+// g 0.58700 * 256 = 150.272 = 150
+// r 0.29900 * 256 = 76.544 = 77
+// JPeg 7 bit Y:
+// b 0.11400 * 128 = 14.592 = 15
+// g 0.58700 * 128 = 75.136 = 75
+// r 0.29900 * 128 = 38.272 = 38
+// JPeg 8 bit U:
+// b 0.50000 * 255 = 127.5 = 127
+// g -0.33126 * 255 = -84.4713 = -84
+// r -0.16874 * 255 = -43.0287 = -43
+// JPeg 8 bit V:
+// b -0.08131 * 255 = -20.73405 = -20
+// g -0.41869 * 255 = -106.76595 = -107
+// r 0.50000 * 255 = 127.5 = 127
+
+static __inline int RGBToYJ(uint8 r, uint8 g, uint8 b) {
+ return (38 * r + 75 * g + 15 * b + 64) >> 7;
+}
+
+static __inline int RGBToUJ(uint8 r, uint8 g, uint8 b) {
+ return (127 * b - 84 * g - 43 * r + 0x8080) >> 8;
+}
+static __inline int RGBToVJ(uint8 r, uint8 g, uint8 b) {
+ return (127 * r - 107 * g - 20 * b + 0x8080) >> 8;
+}
+
+#define AVGB(a, b) (((a) + (b) + 1) >> 1)
+
+#define MAKEROWYJ(NAME, R, G, B, BPP) \
+void NAME ## ToYJRow_C(const uint8* src_argb0, uint8* dst_y, int width) { \
+ int x; \
+ for (x = 0; x < width; ++x) { \
+ dst_y[0] = RGBToYJ(src_argb0[R], src_argb0[G], src_argb0[B]); \
+ src_argb0 += BPP; \
+ dst_y += 1; \
+ } \
+} \
+void NAME ## ToUVJRow_C(const uint8* src_rgb0, int src_stride_rgb, \
+ uint8* dst_u, uint8* dst_v, int width) { \
+ const uint8* src_rgb1 = src_rgb0 + src_stride_rgb; \
+ int x; \
+ for (x = 0; x < width - 1; x += 2) { \
+ uint8 ab = AVGB(AVGB(src_rgb0[B], src_rgb1[B]), \
+ AVGB(src_rgb0[B + BPP], src_rgb1[B + BPP])); \
+ uint8 ag = AVGB(AVGB(src_rgb0[G], src_rgb1[G]), \
+ AVGB(src_rgb0[G + BPP], src_rgb1[G + BPP])); \
+ uint8 ar = AVGB(AVGB(src_rgb0[R], src_rgb1[R]), \
+ AVGB(src_rgb0[R + BPP], src_rgb1[R + BPP])); \
+ dst_u[0] = RGBToUJ(ar, ag, ab); \
+ dst_v[0] = RGBToVJ(ar, ag, ab); \
+ src_rgb0 += BPP * 2; \
+ src_rgb1 += BPP * 2; \
+ dst_u += 1; \
+ dst_v += 1; \
+ } \
+ if (width & 1) { \
+ uint8 ab = AVGB(src_rgb0[B], src_rgb1[B]); \
+ uint8 ag = AVGB(src_rgb0[G], src_rgb1[G]); \
+ uint8 ar = AVGB(src_rgb0[R], src_rgb1[R]); \
+ dst_u[0] = RGBToUJ(ar, ag, ab); \
+ dst_v[0] = RGBToVJ(ar, ag, ab); \
+ } \
+}
+
+MAKEROWYJ(ARGB, 2, 1, 0, 4)
+#undef MAKEROWYJ
+
+void RGB565ToYRow_C(const uint8* src_rgb565, uint8* dst_y, int width) {
+ int x;
+ for (x = 0; x < width; ++x) {
+ uint8 b = src_rgb565[0] & 0x1f;
+ uint8 g = (src_rgb565[0] >> 5) | ((src_rgb565[1] & 0x07) << 3);
+ uint8 r = src_rgb565[1] >> 3;
+ b = (b << 3) | (b >> 2);
+ g = (g << 2) | (g >> 4);
+ r = (r << 3) | (r >> 2);
+ dst_y[0] = RGBToY(r, g, b);
+ src_rgb565 += 2;
+ dst_y += 1;
+ }
+}
+
+void ARGB1555ToYRow_C(const uint8* src_argb1555, uint8* dst_y, int width) {
+ int x;
+ for (x = 0; x < width; ++x) {
+ uint8 b = src_argb1555[0] & 0x1f;
+ uint8 g = (src_argb1555[0] >> 5) | ((src_argb1555[1] & 0x03) << 3);
+ uint8 r = (src_argb1555[1] & 0x7c) >> 2;
+ b = (b << 3) | (b >> 2);
+ g = (g << 3) | (g >> 2);
+ r = (r << 3) | (r >> 2);
+ dst_y[0] = RGBToY(r, g, b);
+ src_argb1555 += 2;
+ dst_y += 1;
+ }
+}
+
+void ARGB4444ToYRow_C(const uint8* src_argb4444, uint8* dst_y, int width) {
+ int x;
+ for (x = 0; x < width; ++x) {
+ uint8 b = src_argb4444[0] & 0x0f;
+ uint8 g = src_argb4444[0] >> 4;
+ uint8 r = src_argb4444[1] & 0x0f;
+ b = (b << 4) | b;
+ g = (g << 4) | g;
+ r = (r << 4) | r;
+ dst_y[0] = RGBToY(r, g, b);
+ src_argb4444 += 2;
+ dst_y += 1;
+ }
+}
+
+void RGB565ToUVRow_C(const uint8* src_rgb565, int src_stride_rgb565,
+ uint8* dst_u, uint8* dst_v, int width) {
+ const uint8* next_rgb565 = src_rgb565 + src_stride_rgb565;
+ int x;
+ for (x = 0; x < width - 1; x += 2) {
+ uint8 b0 = src_rgb565[0] & 0x1f;
+ uint8 g0 = (src_rgb565[0] >> 5) | ((src_rgb565[1] & 0x07) << 3);
+ uint8 r0 = src_rgb565[1] >> 3;
+ uint8 b1 = src_rgb565[2] & 0x1f;
+ uint8 g1 = (src_rgb565[2] >> 5) | ((src_rgb565[3] & 0x07) << 3);
+ uint8 r1 = src_rgb565[3] >> 3;
+ uint8 b2 = next_rgb565[0] & 0x1f;
+ uint8 g2 = (next_rgb565[0] >> 5) | ((next_rgb565[1] & 0x07) << 3);
+ uint8 r2 = next_rgb565[1] >> 3;
+ uint8 b3 = next_rgb565[2] & 0x1f;
+ uint8 g3 = (next_rgb565[2] >> 5) | ((next_rgb565[3] & 0x07) << 3);
+ uint8 r3 = next_rgb565[3] >> 3;
+ uint8 b = (b0 + b1 + b2 + b3); // 565 * 4 = 787.
+ uint8 g = (g0 + g1 + g2 + g3);
+ uint8 r = (r0 + r1 + r2 + r3);
+ b = (b << 1) | (b >> 6); // 787 -> 888.
+ r = (r << 1) | (r >> 6);
+ dst_u[0] = RGBToU(r, g, b);
+ dst_v[0] = RGBToV(r, g, b);
+ src_rgb565 += 4;
+ next_rgb565 += 4;
+ dst_u += 1;
+ dst_v += 1;
+ }
+ if (width & 1) {
+ uint8 b0 = src_rgb565[0] & 0x1f;
+ uint8 g0 = (src_rgb565[0] >> 5) | ((src_rgb565[1] & 0x07) << 3);
+ uint8 r0 = src_rgb565[1] >> 3;
+ uint8 b2 = next_rgb565[0] & 0x1f;
+ uint8 g2 = (next_rgb565[0] >> 5) | ((next_rgb565[1] & 0x07) << 3);
+ uint8 r2 = next_rgb565[1] >> 3;
+ uint8 b = (b0 + b2); // 565 * 2 = 676.
+ uint8 g = (g0 + g2);
+ uint8 r = (r0 + r2);
+ b = (b << 2) | (b >> 4); // 676 -> 888
+ g = (g << 1) | (g >> 6);
+ r = (r << 2) | (r >> 4);
+ dst_u[0] = RGBToU(r, g, b);
+ dst_v[0] = RGBToV(r, g, b);
+ }
+}
+
+void ARGB1555ToUVRow_C(const uint8* src_argb1555, int src_stride_argb1555,
+ uint8* dst_u, uint8* dst_v, int width) {
+ const uint8* next_argb1555 = src_argb1555 + src_stride_argb1555;
+ int x;
+ for (x = 0; x < width - 1; x += 2) {
+ uint8 b0 = src_argb1555[0] & 0x1f;
+ uint8 g0 = (src_argb1555[0] >> 5) | ((src_argb1555[1] & 0x03) << 3);
+ uint8 r0 = (src_argb1555[1] & 0x7c) >> 2;
+ uint8 b1 = src_argb1555[2] & 0x1f;
+ uint8 g1 = (src_argb1555[2] >> 5) | ((src_argb1555[3] & 0x03) << 3);
+ uint8 r1 = (src_argb1555[3] & 0x7c) >> 2;
+ uint8 b2 = next_argb1555[0] & 0x1f;
+ uint8 g2 = (next_argb1555[0] >> 5) | ((next_argb1555[1] & 0x03) << 3);
+ uint8 r2 = (next_argb1555[1] & 0x7c) >> 2;
+ uint8 b3 = next_argb1555[2] & 0x1f;
+ uint8 g3 = (next_argb1555[2] >> 5) | ((next_argb1555[3] & 0x03) << 3);
+ uint8 r3 = (next_argb1555[3] & 0x7c) >> 2;
+ uint8 b = (b0 + b1 + b2 + b3); // 555 * 4 = 777.
+ uint8 g = (g0 + g1 + g2 + g3);
+ uint8 r = (r0 + r1 + r2 + r3);
+ b = (b << 1) | (b >> 6); // 777 -> 888.
+ g = (g << 1) | (g >> 6);
+ r = (r << 1) | (r >> 6);
+ dst_u[0] = RGBToU(r, g, b);
+ dst_v[0] = RGBToV(r, g, b);
+ src_argb1555 += 4;
+ next_argb1555 += 4;
+ dst_u += 1;
+ dst_v += 1;
+ }
+ if (width & 1) {
+ uint8 b0 = src_argb1555[0] & 0x1f;
+ uint8 g0 = (src_argb1555[0] >> 5) | ((src_argb1555[1] & 0x03) << 3);
+ uint8 r0 = (src_argb1555[1] & 0x7c) >> 2;
+ uint8 b2 = next_argb1555[0] & 0x1f;
+ uint8 g2 = (next_argb1555[0] >> 5) | ((next_argb1555[1] & 0x03) << 3);
+ uint8 r2 = next_argb1555[1] >> 3;
+ uint8 b = (b0 + b2); // 555 * 2 = 666.
+ uint8 g = (g0 + g2);
+ uint8 r = (r0 + r2);
+ b = (b << 2) | (b >> 4); // 666 -> 888.
+ g = (g << 2) | (g >> 4);
+ r = (r << 2) | (r >> 4);
+ dst_u[0] = RGBToU(r, g, b);
+ dst_v[0] = RGBToV(r, g, b);
+ }
+}
+
+void ARGB4444ToUVRow_C(const uint8* src_argb4444, int src_stride_argb4444,
+ uint8* dst_u, uint8* dst_v, int width) {
+ const uint8* next_argb4444 = src_argb4444 + src_stride_argb4444;
+ int x;
+ for (x = 0; x < width - 1; x += 2) {
+ uint8 b0 = src_argb4444[0] & 0x0f;
+ uint8 g0 = src_argb4444[0] >> 4;
+ uint8 r0 = src_argb4444[1] & 0x0f;
+ uint8 b1 = src_argb4444[2] & 0x0f;
+ uint8 g1 = src_argb4444[2] >> 4;
+ uint8 r1 = src_argb4444[3] & 0x0f;
+ uint8 b2 = next_argb4444[0] & 0x0f;
+ uint8 g2 = next_argb4444[0] >> 4;
+ uint8 r2 = next_argb4444[1] & 0x0f;
+ uint8 b3 = next_argb4444[2] & 0x0f;
+ uint8 g3 = next_argb4444[2] >> 4;
+ uint8 r3 = next_argb4444[3] & 0x0f;
+ uint8 b = (b0 + b1 + b2 + b3); // 444 * 4 = 666.
+ uint8 g = (g0 + g1 + g2 + g3);
+ uint8 r = (r0 + r1 + r2 + r3);
+ b = (b << 2) | (b >> 4); // 666 -> 888.
+ g = (g << 2) | (g >> 4);
+ r = (r << 2) | (r >> 4);
+ dst_u[0] = RGBToU(r, g, b);
+ dst_v[0] = RGBToV(r, g, b);
+ src_argb4444 += 4;
+ next_argb4444 += 4;
+ dst_u += 1;
+ dst_v += 1;
+ }
+ if (width & 1) {
+ uint8 b0 = src_argb4444[0] & 0x0f;
+ uint8 g0 = src_argb4444[0] >> 4;
+ uint8 r0 = src_argb4444[1] & 0x0f;
+ uint8 b2 = next_argb4444[0] & 0x0f;
+ uint8 g2 = next_argb4444[0] >> 4;
+ uint8 r2 = next_argb4444[1] & 0x0f;
+ uint8 b = (b0 + b2); // 444 * 2 = 555.
+ uint8 g = (g0 + g2);
+ uint8 r = (r0 + r2);
+ b = (b << 3) | (b >> 2); // 555 -> 888.
+ g = (g << 3) | (g >> 2);
+ r = (r << 3) | (r >> 2);
+ dst_u[0] = RGBToU(r, g, b);
+ dst_v[0] = RGBToV(r, g, b);
+ }
+}
+
+void ARGBToUV444Row_C(const uint8* src_argb,
+ uint8* dst_u, uint8* dst_v, int width) {
+ int x;
+ for (x = 0; x < width; ++x) {
+ uint8 ab = src_argb[0];
+ uint8 ag = src_argb[1];
+ uint8 ar = src_argb[2];
+ dst_u[0] = RGBToU(ar, ag, ab);
+ dst_v[0] = RGBToV(ar, ag, ab);
+ src_argb += 4;
+ dst_u += 1;
+ dst_v += 1;
+ }
+}
-// http://en.wikipedia.org/wiki/Grayscale.
-// 0.11 * B + 0.59 * G + 0.30 * R
-// Coefficients rounded to multiple of 2 for consistency with SSSE3 version.
-static __inline int RGBToGray(uint8 r, uint8 g, uint8 b) {
- return (( 76 * r + 152 * g + 28 * b) >> 8);
+void ARGBToUV411Row_C(const uint8* src_argb,
+ uint8* dst_u, uint8* dst_v, int width) {
+ int x;
+ for (x = 0; x < width - 3; x += 4) {
+ uint8 ab = (src_argb[0] + src_argb[4] + src_argb[8] + src_argb[12]) >> 2;
+ uint8 ag = (src_argb[1] + src_argb[5] + src_argb[9] + src_argb[13]) >> 2;
+ uint8 ar = (src_argb[2] + src_argb[6] + src_argb[10] + src_argb[14]) >> 2;
+ dst_u[0] = RGBToU(ar, ag, ab);
+ dst_v[0] = RGBToV(ar, ag, ab);
+ src_argb += 16;
+ dst_u += 1;
+ dst_v += 1;
+ }
+ // Odd width handling mimics 'any' function which replicates last pixel.
+ if ((width & 3) == 3) {
+ uint8 ab = (src_argb[0] + src_argb[4] + src_argb[8] + src_argb[8]) >> 2;
+ uint8 ag = (src_argb[1] + src_argb[5] + src_argb[9] + src_argb[9]) >> 2;
+ uint8 ar = (src_argb[2] + src_argb[6] + src_argb[10] + src_argb[10]) >> 2;
+ dst_u[0] = RGBToU(ar, ag, ab);
+ dst_v[0] = RGBToV(ar, ag, ab);
+ } else if ((width & 3) == 2) {
+ uint8 ab = (src_argb[0] + src_argb[4]) >> 1;
+ uint8 ag = (src_argb[1] + src_argb[5]) >> 1;
+ uint8 ar = (src_argb[2] + src_argb[6]) >> 1;
+ dst_u[0] = RGBToU(ar, ag, ab);
+ dst_v[0] = RGBToV(ar, ag, ab);
+ } else if ((width & 3) == 1) {
+ uint8 ab = src_argb[0];
+ uint8 ag = src_argb[1];
+ uint8 ar = src_argb[2];
+ dst_u[0] = RGBToU(ar, ag, ab);
+ dst_v[0] = RGBToV(ar, ag, ab);
+ }
}
void ARGBGrayRow_C(const uint8* src_argb, uint8* dst_argb, int width) {
- for (int x = 0; x < width; ++x) {
- uint8 y = RGBToGray(src_argb[2], src_argb[1], src_argb[0]);
+ int x;
+ for (x = 0; x < width; ++x) {
+ uint8 y = RGBToYJ(src_argb[2], src_argb[1], src_argb[0]);
dst_argb[2] = dst_argb[1] = dst_argb[0] = y;
dst_argb[3] = src_argb[3];
dst_argb += 4;
@@ -323,7 +684,8 @@ void ARGBGrayRow_C(const uint8* src_argb, uint8* dst_argb, int width) {
// Convert a row of image to Sepia tone.
void ARGBSepiaRow_C(uint8* dst_argb, int width) {
- for (int x = 0; x < width; ++x) {
+ int x;
+ for (x = 0; x < width; ++x) {
int b = dst_argb[0];
int g = dst_argb[1];
int r = dst_argb[2];
@@ -331,60 +693,44 @@ void ARGBSepiaRow_C(uint8* dst_argb, int width) {
int sg = (b * 22 + g * 88 + r * 45) >> 7;
int sr = (b * 24 + g * 98 + r * 50) >> 7;
// b does not over flow. a is preserved from original.
- if (sg > 255) {
- sg = 255;
- }
- if (sr > 255) {
- sr = 255;
- }
dst_argb[0] = sb;
- dst_argb[1] = sg;
- dst_argb[2] = sr;
+ dst_argb[1] = clamp255(sg);
+ dst_argb[2] = clamp255(sr);
dst_argb += 4;
}
}
// Apply color matrix to a row of image. Matrix is signed.
-void ARGBColorMatrixRow_C(uint8* dst_argb, const int8* matrix_argb, int width) {
- for (int x = 0; x < width; ++x) {
- int b = dst_argb[0];
- int g = dst_argb[1];
- int r = dst_argb[2];
- int a = dst_argb[3];
+// TODO(fbarchard): Consider adding rounding (+32).
+void ARGBColorMatrixRow_C(const uint8* src_argb, uint8* dst_argb,
+ const int8* matrix_argb, int width) {
+ int x;
+ for (x = 0; x < width; ++x) {
+ int b = src_argb[0];
+ int g = src_argb[1];
+ int r = src_argb[2];
+ int a = src_argb[3];
int sb = (b * matrix_argb[0] + g * matrix_argb[1] +
- r * matrix_argb[2] + a * matrix_argb[3]) >> 7;
+ r * matrix_argb[2] + a * matrix_argb[3]) >> 6;
int sg = (b * matrix_argb[4] + g * matrix_argb[5] +
- r * matrix_argb[6] + a * matrix_argb[7]) >> 7;
+ r * matrix_argb[6] + a * matrix_argb[7]) >> 6;
int sr = (b * matrix_argb[8] + g * matrix_argb[9] +
- r * matrix_argb[10] + a * matrix_argb[11]) >> 7;
- if (sb < 0) {
- sb = 0;
- }
- if (sb > 255) {
- sb = 255;
- }
- if (sg < 0) {
- sg = 0;
- }
- if (sg > 255) {
- sg = 255;
- }
- if (sr < 0) {
- sr = 0;
- }
- if (sr > 255) {
- sr = 255;
- }
- dst_argb[0] = sb;
- dst_argb[1] = sg;
- dst_argb[2] = sr;
+ r * matrix_argb[10] + a * matrix_argb[11]) >> 6;
+ int sa = (b * matrix_argb[12] + g * matrix_argb[13] +
+ r * matrix_argb[14] + a * matrix_argb[15]) >> 6;
+ dst_argb[0] = Clamp(sb);
+ dst_argb[1] = Clamp(sg);
+ dst_argb[2] = Clamp(sr);
+ dst_argb[3] = Clamp(sa);
+ src_argb += 4;
dst_argb += 4;
}
}
// Apply color table to a row of image.
void ARGBColorTableRow_C(uint8* dst_argb, const uint8* table_argb, int width) {
- for (int x = 0; x < width; ++x) {
+ int x;
+ for (x = 0; x < width; ++x) {
int b = dst_argb[0];
int g = dst_argb[1];
int r = dst_argb[2];
@@ -397,9 +743,24 @@ void ARGBColorTableRow_C(uint8* dst_argb, const uint8* table_argb, int width) {
}
}
+// Apply color table to a row of image.
+void RGBColorTableRow_C(uint8* dst_argb, const uint8* table_argb, int width) {
+ int x;
+ for (x = 0; x < width; ++x) {
+ int b = dst_argb[0];
+ int g = dst_argb[1];
+ int r = dst_argb[2];
+ dst_argb[0] = table_argb[b * 4 + 0];
+ dst_argb[1] = table_argb[g * 4 + 1];
+ dst_argb[2] = table_argb[r * 4 + 2];
+ dst_argb += 4;
+ }
+}
+
void ARGBQuantizeRow_C(uint8* dst_argb, int scale, int interval_size,
int interval_offset, int width) {
- for (int x = 0; x < width; ++x) {
+ int x;
+ for (x = 0; x < width; ++x) {
int b = dst_argb[0];
int g = dst_argb[1];
int r = dst_argb[2];
@@ -410,9 +771,192 @@ void ARGBQuantizeRow_C(uint8* dst_argb, int scale, int interval_size,
}
}
-void I400ToARGBRow_C(const uint8* src_y, uint8* dst_argb, int width) {
+#define REPEAT8(v) (v) | ((v) << 8)
+#define SHADE(f, v) v * f >> 24
+
+void ARGBShadeRow_C(const uint8* src_argb, uint8* dst_argb, int width,
+ uint32 value) {
+ const uint32 b_scale = REPEAT8(value & 0xff);
+ const uint32 g_scale = REPEAT8((value >> 8) & 0xff);
+ const uint32 r_scale = REPEAT8((value >> 16) & 0xff);
+ const uint32 a_scale = REPEAT8(value >> 24);
+
+ int i;
+ for (i = 0; i < width; ++i) {
+ const uint32 b = REPEAT8(src_argb[0]);
+ const uint32 g = REPEAT8(src_argb[1]);
+ const uint32 r = REPEAT8(src_argb[2]);
+ const uint32 a = REPEAT8(src_argb[3]);
+ dst_argb[0] = SHADE(b, b_scale);
+ dst_argb[1] = SHADE(g, g_scale);
+ dst_argb[2] = SHADE(r, r_scale);
+ dst_argb[3] = SHADE(a, a_scale);
+ src_argb += 4;
+ dst_argb += 4;
+ }
+}
+#undef REPEAT8
+#undef SHADE
+
+#define REPEAT8(v) (v) | ((v) << 8)
+#define SHADE(f, v) v * f >> 16
+
+void ARGBMultiplyRow_C(const uint8* src_argb0, const uint8* src_argb1,
+ uint8* dst_argb, int width) {
+ int i;
+ for (i = 0; i < width; ++i) {
+ const uint32 b = REPEAT8(src_argb0[0]);
+ const uint32 g = REPEAT8(src_argb0[1]);
+ const uint32 r = REPEAT8(src_argb0[2]);
+ const uint32 a = REPEAT8(src_argb0[3]);
+ const uint32 b_scale = src_argb1[0];
+ const uint32 g_scale = src_argb1[1];
+ const uint32 r_scale = src_argb1[2];
+ const uint32 a_scale = src_argb1[3];
+ dst_argb[0] = SHADE(b, b_scale);
+ dst_argb[1] = SHADE(g, g_scale);
+ dst_argb[2] = SHADE(r, r_scale);
+ dst_argb[3] = SHADE(a, a_scale);
+ src_argb0 += 4;
+ src_argb1 += 4;
+ dst_argb += 4;
+ }
+}
+#undef REPEAT8
+#undef SHADE
+
+#define SHADE(f, v) clamp255(v + f)
+
+void ARGBAddRow_C(const uint8* src_argb0, const uint8* src_argb1,
+ uint8* dst_argb, int width) {
+ int i;
+ for (i = 0; i < width; ++i) {
+ const int b = src_argb0[0];
+ const int g = src_argb0[1];
+ const int r = src_argb0[2];
+ const int a = src_argb0[3];
+ const int b_add = src_argb1[0];
+ const int g_add = src_argb1[1];
+ const int r_add = src_argb1[2];
+ const int a_add = src_argb1[3];
+ dst_argb[0] = SHADE(b, b_add);
+ dst_argb[1] = SHADE(g, g_add);
+ dst_argb[2] = SHADE(r, r_add);
+ dst_argb[3] = SHADE(a, a_add);
+ src_argb0 += 4;
+ src_argb1 += 4;
+ dst_argb += 4;
+ }
+}
+#undef SHADE
+
+#define SHADE(f, v) clamp0(f - v)
+
+void ARGBSubtractRow_C(const uint8* src_argb0, const uint8* src_argb1,
+ uint8* dst_argb, int width) {
+ int i;
+ for (i = 0; i < width; ++i) {
+ const int b = src_argb0[0];
+ const int g = src_argb0[1];
+ const int r = src_argb0[2];
+ const int a = src_argb0[3];
+ const int b_sub = src_argb1[0];
+ const int g_sub = src_argb1[1];
+ const int r_sub = src_argb1[2];
+ const int a_sub = src_argb1[3];
+ dst_argb[0] = SHADE(b, b_sub);
+ dst_argb[1] = SHADE(g, g_sub);
+ dst_argb[2] = SHADE(r, r_sub);
+ dst_argb[3] = SHADE(a, a_sub);
+ src_argb0 += 4;
+ src_argb1 += 4;
+ dst_argb += 4;
+ }
+}
+#undef SHADE
+
+// Sobel functions which mimics SSSE3.
+void SobelXRow_C(const uint8* src_y0, const uint8* src_y1, const uint8* src_y2,
+ uint8* dst_sobelx, int width) {
+ int i;
+ for (i = 0; i < width; ++i) {
+ int a = src_y0[i];
+ int b = src_y1[i];
+ int c = src_y2[i];
+ int a_sub = src_y0[i + 2];
+ int b_sub = src_y1[i + 2];
+ int c_sub = src_y2[i + 2];
+ int a_diff = a - a_sub;
+ int b_diff = b - b_sub;
+ int c_diff = c - c_sub;
+ int sobel = Abs(a_diff + b_diff * 2 + c_diff);
+ dst_sobelx[i] = (uint8)(clamp255(sobel));
+ }
+}
+
+void SobelYRow_C(const uint8* src_y0, const uint8* src_y1,
+ uint8* dst_sobely, int width) {
+ int i;
+ for (i = 0; i < width; ++i) {
+ int a = src_y0[i + 0];
+ int b = src_y0[i + 1];
+ int c = src_y0[i + 2];
+ int a_sub = src_y1[i + 0];
+ int b_sub = src_y1[i + 1];
+ int c_sub = src_y1[i + 2];
+ int a_diff = a - a_sub;
+ int b_diff = b - b_sub;
+ int c_diff = c - c_sub;
+ int sobel = Abs(a_diff + b_diff * 2 + c_diff);
+ dst_sobely[i] = (uint8)(clamp255(sobel));
+ }
+}
+
+void SobelRow_C(const uint8* src_sobelx, const uint8* src_sobely,
+ uint8* dst_argb, int width) {
+ int i;
+ for (i = 0; i < width; ++i) {
+ int r = src_sobelx[i];
+ int b = src_sobely[i];
+ int s = clamp255(r + b);
+ dst_argb[0] = (uint8)(s);
+ dst_argb[1] = (uint8)(s);
+ dst_argb[2] = (uint8)(s);
+ dst_argb[3] = (uint8)(255u);
+ dst_argb += 4;
+ }
+}
+
+void SobelToPlaneRow_C(const uint8* src_sobelx, const uint8* src_sobely,
+ uint8* dst_y, int width) {
+ int i;
+ for (i = 0; i < width; ++i) {
+ int r = src_sobelx[i];
+ int b = src_sobely[i];
+ int s = clamp255(r + b);
+ dst_y[i] = (uint8)(s);
+ }
+}
+
+void SobelXYRow_C(const uint8* src_sobelx, const uint8* src_sobely,
+ uint8* dst_argb, int width) {
+ int i;
+ for (i = 0; i < width; ++i) {
+ int r = src_sobelx[i];
+ int b = src_sobely[i];
+ int g = clamp255(r + b);
+ dst_argb[0] = (uint8)(b);
+ dst_argb[1] = (uint8)(g);
+ dst_argb[2] = (uint8)(r);
+ dst_argb[3] = (uint8)(255u);
+ dst_argb += 4;
+ }
+}
+
+void J400ToARGBRow_C(const uint8* src_y, uint8* dst_argb, int width) {
// Copy a Y to RGB.
- for (int x = 0; x < width; ++x) {
+ int x;
+ for (x = 0; x < width; ++x) {
uint8 y = src_y[0];
dst_argb[2] = dst_argb[1] = dst_argb[0] = y;
dst_argb[3] = 255u;
@@ -421,250 +965,786 @@ void I400ToARGBRow_C(const uint8* src_y, uint8* dst_argb, int width) {
}
}
-// C reference code that mimics the YUV assembly.
+// TODO(fbarchard): Unify these structures to be platform independent.
+// TODO(fbarchard): Generate SIMD structures from float matrix.
+
+// BT.601 YUV to RGB reference
+// R = (Y - 16) * 1.164 - V * -1.596
+// G = (Y - 16) * 1.164 - U * 0.391 - V * 0.813
+// B = (Y - 16) * 1.164 - U * -2.018
+
+// Y contribution to R,G,B. Scale and bias.
+#define YG 18997 /* round(1.164 * 64 * 256 * 256 / 257) */
+#define YGB -1160 /* 1.164 * 64 * -16 + 64 / 2 */
+
+// U and V contributions to R,G,B.
+#define UB -128 /* max(-128, round(-2.018 * 64)) */
+#define UG 25 /* round(0.391 * 64) */
+#define VG 52 /* round(0.813 * 64) */
+#define VR -102 /* round(-1.596 * 64) */
+
+// Bias values to subtract 16 from Y and 128 from U and V.
+#define BB (UB * 128 + YGB)
+#define BG (UG * 128 + VG * 128 + YGB)
+#define BR (VR * 128 + YGB)
+
+#if defined(__aarch64__)
+const YuvConstants SIMD_ALIGNED(kYuvI601Constants) = {
+ { -UB, -VR, -UB, -VR, -UB, -VR, -UB, -VR },
+ { -UB, -VR, -UB, -VR, -UB, -VR, -UB, -VR },
+ { UG, VG, UG, VG, UG, VG, UG, VG },
+ { UG, VG, UG, VG, UG, VG, UG, VG },
+ { BB, BG, BR, 0, 0, 0, 0, 0 },
+ { 0x0101 * YG, 0, 0, 0 }
+};
+const YuvConstants SIMD_ALIGNED(kYvuI601Constants) = {
+ { -VR, -UB, -VR, -UB, -VR, -UB, -VR, -UB },
+ { -VR, -UB, -VR, -UB, -VR, -UB, -VR, -UB },
+ { VG, UG, VG, UG, VG, UG, VG, UG },
+ { VG, UG, VG, UG, VG, UG, VG, UG },
+ { BR, BG, BB, 0, 0, 0, 0, 0 },
+ { 0x0101 * YG, 0, 0, 0 }
+};
+#elif defined(__arm__)
+const YuvConstants SIMD_ALIGNED(kYuvI601Constants) = {
+ { -UB, -UB, -UB, -UB, -VR, -VR, -VR, -VR, 0, 0, 0, 0, 0, 0, 0, 0 },
+ { UG, UG, UG, UG, VG, VG, VG, VG, 0, 0, 0, 0, 0, 0, 0, 0 },
+ { BB, BG, BR, 0, 0, 0, 0, 0 },
+ { 0x0101 * YG, 0, 0, 0 }
+};
+const YuvConstants SIMD_ALIGNED(kYvuI601Constants) = {
+ { -VR, -VR, -VR, -VR, -UB, -UB, -UB, -UB, 0, 0, 0, 0, 0, 0, 0, 0 },
+ { VG, VG, VG, VG, UG, UG, UG, UG, 0, 0, 0, 0, 0, 0, 0, 0 },
+ { BR, BG, BB, 0, 0, 0, 0, 0 },
+ { 0x0101 * YG, 0, 0, 0 }
+};
+#else
+const YuvConstants SIMD_ALIGNED(kYuvI601Constants) = {
+ { UB, 0, UB, 0, UB, 0, UB, 0, UB, 0, UB, 0, UB, 0, UB, 0,
+ UB, 0, UB, 0, UB, 0, UB, 0, UB, 0, UB, 0, UB, 0, UB, 0 },
+ { UG, VG, UG, VG, UG, VG, UG, VG, UG, VG, UG, VG, UG, VG, UG, VG,
+ UG, VG, UG, VG, UG, VG, UG, VG, UG, VG, UG, VG, UG, VG, UG, VG },
+ { 0, VR, 0, VR, 0, VR, 0, VR, 0, VR, 0, VR, 0, VR, 0, VR,
+ 0, VR, 0, VR, 0, VR, 0, VR, 0, VR, 0, VR, 0, VR, 0, VR },
+ { BB, BB, BB, BB, BB, BB, BB, BB, BB, BB, BB, BB, BB, BB, BB, BB },
+ { BG, BG, BG, BG, BG, BG, BG, BG, BG, BG, BG, BG, BG, BG, BG, BG },
+ { BR, BR, BR, BR, BR, BR, BR, BR, BR, BR, BR, BR, BR, BR, BR, BR },
+ { YG, YG, YG, YG, YG, YG, YG, YG, YG, YG, YG, YG, YG, YG, YG, YG }
+};
+const YuvConstants SIMD_ALIGNED(kYvuI601Constants) = {
+ { VR, 0, VR, 0, VR, 0, VR, 0, VR, 0, VR, 0, VR, 0, VR, 0,
+ VR, 0, VR, 0, VR, 0, VR, 0, VR, 0, VR, 0, VR, 0, VR, 0 },
+ { VG, UG, VG, UG, VG, UG, VG, UG, VG, UG, VG, UG, VG, UG, VG, UG,
+ VG, UG, VG, UG, VG, UG, VG, UG, VG, UG, VG, UG, VG, UG, VG, UG },
+ { 0, UB, 0, UB, 0, UB, 0, UB, 0, UB, 0, UB, 0, UB, 0, UB,
+ 0, UB, 0, UB, 0, UB, 0, UB, 0, UB, 0, UB, 0, UB, 0, UB },
+ { BR, BR, BR, BR, BR, BR, BR, BR, BR, BR, BR, BR, BR, BR, BR, BR },
+ { BG, BG, BG, BG, BG, BG, BG, BG, BG, BG, BG, BG, BG, BG, BG, BG },
+ { BB, BB, BB, BB, BB, BB, BB, BB, BB, BB, BB, BB, BB, BB, BB, BB },
+ { YG, YG, YG, YG, YG, YG, YG, YG, YG, YG, YG, YG, YG, YG, YG, YG }
+};
+#endif
-#define YG 74 /* static_cast<int8>(1.164 * 64 + 0.5) */
+#undef BB
+#undef BG
+#undef BR
+#undef YGB
+#undef UB
+#undef UG
+#undef VG
+#undef VR
+#undef YG
+
+// JPEG YUV to RGB reference
+// * R = Y - V * -1.40200
+// * G = Y - U * 0.34414 - V * 0.71414
+// * B = Y - U * -1.77200
+
+// Y contribution to R,G,B. Scale and bias.
+#define YG 16320 /* round(1.000 * 64 * 256 * 256 / 257) */
+#define YGB 32 /* 64 / 2 */
+
+// U and V contributions to R,G,B.
+#define UB -113 /* round(-1.77200 * 64) */
+#define UG 22 /* round(0.34414 * 64) */
+#define VG 46 /* round(0.71414 * 64) */
+#define VR -90 /* round(-1.40200 * 64) */
+
+// Bias values to round, and subtract 128 from U and V.
+#define BB (UB * 128 + YGB)
+#define BG (UG * 128 + VG * 128 + YGB)
+#define BR (VR * 128 + YGB)
+
+#if defined(__aarch64__)
+const YuvConstants SIMD_ALIGNED(kYuvJPEGConstants) = {
+ { -UB, -VR, -UB, -VR, -UB, -VR, -UB, -VR },
+ { -UB, -VR, -UB, -VR, -UB, -VR, -UB, -VR },
+ { UG, VG, UG, VG, UG, VG, UG, VG },
+ { UG, VG, UG, VG, UG, VG, UG, VG },
+ { BB, BG, BR, 0, 0, 0, 0, 0 },
+ { 0x0101 * YG, 0, 0, 0 }
+};
+const YuvConstants SIMD_ALIGNED(kYvuJPEGConstants) = {
+ { -VR, -UB, -VR, -UB, -VR, -UB, -VR, -UB },
+ { -VR, -UB, -VR, -UB, -VR, -UB, -VR, -UB },
+ { VG, UG, VG, UG, VG, UG, VG, UG },
+ { VG, UG, VG, UG, VG, UG, VG, UG },
+ { BR, BG, BB, 0, 0, 0, 0, 0 },
+ { 0x0101 * YG, 0, 0, 0 }
+};
+#elif defined(__arm__)
+const YuvConstants SIMD_ALIGNED(kYuvJPEGConstants) = {
+ { -UB, -UB, -UB, -UB, -VR, -VR, -VR, -VR, 0, 0, 0, 0, 0, 0, 0, 0 },
+ { UG, UG, UG, UG, VG, VG, VG, VG, 0, 0, 0, 0, 0, 0, 0, 0 },
+ { BB, BG, BR, 0, 0, 0, 0, 0 },
+ { 0x0101 * YG, 0, 0, 0 }
+};
+const YuvConstants SIMD_ALIGNED(kYvuJPEGConstants) = {
+ { -VR, -VR, -VR, -VR, -UB, -UB, -UB, -UB, 0, 0, 0, 0, 0, 0, 0, 0 },
+ { VG, VG, VG, VG, UG, UG, UG, UG, 0, 0, 0, 0, 0, 0, 0, 0 },
+ { BR, BG, BB, 0, 0, 0, 0, 0 },
+ { 0x0101 * YG, 0, 0, 0 }
+};
+#else
+const YuvConstants SIMD_ALIGNED(kYuvJPEGConstants) = {
+ { UB, 0, UB, 0, UB, 0, UB, 0, UB, 0, UB, 0, UB, 0, UB, 0,
+ UB, 0, UB, 0, UB, 0, UB, 0, UB, 0, UB, 0, UB, 0, UB, 0 },
+ { UG, VG, UG, VG, UG, VG, UG, VG, UG, VG, UG, VG, UG, VG, UG, VG,
+ UG, VG, UG, VG, UG, VG, UG, VG, UG, VG, UG, VG, UG, VG, UG, VG },
+ { 0, VR, 0, VR, 0, VR, 0, VR, 0, VR, 0, VR, 0, VR, 0, VR,
+ 0, VR, 0, VR, 0, VR, 0, VR, 0, VR, 0, VR, 0, VR, 0, VR },
+ { BB, BB, BB, BB, BB, BB, BB, BB, BB, BB, BB, BB, BB, BB, BB, BB },
+ { BG, BG, BG, BG, BG, BG, BG, BG, BG, BG, BG, BG, BG, BG, BG, BG },
+ { BR, BR, BR, BR, BR, BR, BR, BR, BR, BR, BR, BR, BR, BR, BR, BR },
+ { YG, YG, YG, YG, YG, YG, YG, YG, YG, YG, YG, YG, YG, YG, YG, YG }
+};
+const YuvConstants SIMD_ALIGNED(kYvuJPEGConstants) = {
+ { VR, 0, VR, 0, VR, 0, VR, 0, VR, 0, VR, 0, VR, 0, VR, 0,
+ VR, 0, VR, 0, VR, 0, VR, 0, VR, 0, VR, 0, VR, 0, VR, 0 },
+ { VG, UG, VG, UG, VG, UG, VG, UG, VG, UG, VG, UG, VG, UG, VG, UG,
+ VG, UG, VG, UG, VG, UG, VG, UG, VG, UG, VG, UG, VG, UG, VG, UG },
+ { 0, UB, 0, UB, 0, UB, 0, UB, 0, UB, 0, UB, 0, UB, 0, UB,
+ 0, UB, 0, UB, 0, UB, 0, UB, 0, UB, 0, UB, 0, UB, 0, UB },
+ { BR, BR, BR, BR, BR, BR, BR, BR, BR, BR, BR, BR, BR, BR, BR, BR },
+ { BG, BG, BG, BG, BG, BG, BG, BG, BG, BG, BG, BG, BG, BG, BG, BG },
+ { BB, BB, BB, BB, BB, BB, BB, BB, BB, BB, BB, BB, BB, BB, BB, BB },
+ { YG, YG, YG, YG, YG, YG, YG, YG, YG, YG, YG, YG, YG, YG, YG, YG }
+};
+#endif
-#define UB 127 /* min(63,static_cast<int8>(2.018 * 64)) */
-#define UG -25 /* static_cast<int8>(-0.391 * 64 - 0.5) */
-#define UR 0
+#undef BB
+#undef BG
+#undef BR
+#undef YGB
+#undef UB
+#undef UG
+#undef VG
+#undef VR
+#undef YG
+
+// BT.709 YUV to RGB reference
+// * R = Y - V * -1.28033
+// * G = Y - U * 0.21482 - V * 0.38059
+// * B = Y - U * -2.12798
+
+// Y contribution to R,G,B. Scale and bias.
+#define YG 16320 /* round(1.000 * 64 * 256 * 256 / 257) */
+#define YGB 32 /* 64 / 2 */
+
+// TODO(fbarchard): Find way to express 2.12 instead of 2.0.
+// U and V contributions to R,G,B.
+#define UB -128 /* max(-128, round(-2.12798 * 64)) */
+#define UG 14 /* round(0.21482 * 64) */
+#define VG 24 /* round(0.38059 * 64) */
+#define VR -82 /* round(-1.28033 * 64) */
+
+// Bias values to round, and subtract 128 from U and V.
+#define BB (UB * 128 + YGB)
+#define BG (UG * 128 + VG * 128 + YGB)
+#define BR (VR * 128 + YGB)
+
+#if defined(__aarch64__)
+const YuvConstants SIMD_ALIGNED(kYuvH709Constants) = {
+ { -UB, -VR, -UB, -VR, -UB, -VR, -UB, -VR },
+ { -UB, -VR, -UB, -VR, -UB, -VR, -UB, -VR },
+ { UG, VG, UG, VG, UG, VG, UG, VG },
+ { UG, VG, UG, VG, UG, VG, UG, VG },
+ { BB, BG, BR, 0, 0, 0, 0, 0 },
+ { 0x0101 * YG, 0, 0, 0 }
+};
+const YuvConstants SIMD_ALIGNED(kYvuH709Constants) = {
+ { -VR, -UB, -VR, -UB, -VR, -UB, -VR, -UB },
+ { -VR, -UB, -VR, -UB, -VR, -UB, -VR, -UB },
+ { VG, UG, VG, UG, VG, UG, VG, UG },
+ { VG, UG, VG, UG, VG, UG, VG, UG },
+ { BR, BG, BB, 0, 0, 0, 0, 0 },
+ { 0x0101 * YG, 0, 0, 0 }
+};
+#elif defined(__arm__)
+const YuvConstants SIMD_ALIGNED(kYuvH709Constants) = {
+ { -UB, -UB, -UB, -UB, -VR, -VR, -VR, -VR, 0, 0, 0, 0, 0, 0, 0, 0 },
+ { UG, UG, UG, UG, VG, VG, VG, VG, 0, 0, 0, 0, 0, 0, 0, 0 },
+ { BB, BG, BR, 0, 0, 0, 0, 0 },
+ { 0x0101 * YG, 0, 0, 0 }
+};
+const YuvConstants SIMD_ALIGNED(kYvuH709Constants) = {
+ { -VR, -VR, -VR, -VR, -UB, -UB, -UB, -UB, 0, 0, 0, 0, 0, 0, 0, 0 },
+ { VG, VG, VG, VG, UG, UG, UG, UG, 0, 0, 0, 0, 0, 0, 0, 0 },
+ { BR, BG, BB, 0, 0, 0, 0, 0 },
+ { 0x0101 * YG, 0, 0, 0 }
+};
+#else
+const YuvConstants SIMD_ALIGNED(kYuvH709Constants) = {
+ { UB, 0, UB, 0, UB, 0, UB, 0, UB, 0, UB, 0, UB, 0, UB, 0,
+ UB, 0, UB, 0, UB, 0, UB, 0, UB, 0, UB, 0, UB, 0, UB, 0 },
+ { UG, VG, UG, VG, UG, VG, UG, VG, UG, VG, UG, VG, UG, VG, UG, VG,
+ UG, VG, UG, VG, UG, VG, UG, VG, UG, VG, UG, VG, UG, VG, UG, VG },
+ { 0, VR, 0, VR, 0, VR, 0, VR, 0, VR, 0, VR, 0, VR, 0, VR,
+ 0, VR, 0, VR, 0, VR, 0, VR, 0, VR, 0, VR, 0, VR, 0, VR },
+ { BB, BB, BB, BB, BB, BB, BB, BB, BB, BB, BB, BB, BB, BB, BB, BB },
+ { BG, BG, BG, BG, BG, BG, BG, BG, BG, BG, BG, BG, BG, BG, BG, BG },
+ { BR, BR, BR, BR, BR, BR, BR, BR, BR, BR, BR, BR, BR, BR, BR, BR },
+ { YG, YG, YG, YG, YG, YG, YG, YG, YG, YG, YG, YG, YG, YG, YG, YG }
+};
+const YuvConstants SIMD_ALIGNED(kYvuH709Constants) = {
+ { VR, 0, VR, 0, VR, 0, VR, 0, VR, 0, VR, 0, VR, 0, VR, 0,
+ VR, 0, VR, 0, VR, 0, VR, 0, VR, 0, VR, 0, VR, 0, VR, 0 },
+ { VG, UG, VG, UG, VG, UG, VG, UG, VG, UG, VG, UG, VG, UG, VG, UG,
+ VG, UG, VG, UG, VG, UG, VG, UG, VG, UG, VG, UG, VG, UG, VG, UG },
+ { 0, UB, 0, UB, 0, UB, 0, UB, 0, UB, 0, UB, 0, UB, 0, UB,
+ 0, UB, 0, UB, 0, UB, 0, UB, 0, UB, 0, UB, 0, UB, 0, UB },
+ { BR, BR, BR, BR, BR, BR, BR, BR, BR, BR, BR, BR, BR, BR, BR, BR },
+ { BG, BG, BG, BG, BG, BG, BG, BG, BG, BG, BG, BG, BG, BG, BG, BG },
+ { BB, BB, BB, BB, BB, BB, BB, BB, BB, BB, BB, BB, BB, BB, BB, BB },
+ { YG, YG, YG, YG, YG, YG, YG, YG, YG, YG, YG, YG, YG, YG, YG, YG }
+};
+#endif
-#define VB 0
-#define VG -52 /* static_cast<int8>(-0.813 * 64 - 0.5) */
-#define VR 102 /* static_cast<int8>(1.596 * 64 + 0.5) */
+#undef BB
+#undef BG
+#undef BR
+#undef YGB
+#undef UB
+#undef UG
+#undef VG
+#undef VR
+#undef YG
-// Bias
-#define BB UB * 128 + VB * 128
-#define BG UG * 128 + VG * 128
-#define BR UR * 128 + VR * 128
+// C reference code that mimics the YUV assembly.
+static __inline void YuvPixel(uint8 y, uint8 u, uint8 v,
+ uint8* b, uint8* g, uint8* r,
+ const struct YuvConstants* yuvconstants) {
+#if defined(__aarch64__)
+ int ub = -yuvconstants->kUVToRB[0];
+ int ug = yuvconstants->kUVToG[0];
+ int vg = yuvconstants->kUVToG[1];
+ int vr = -yuvconstants->kUVToRB[1];
+ int bb = yuvconstants->kUVBiasBGR[0];
+ int bg = yuvconstants->kUVBiasBGR[1];
+ int br = yuvconstants->kUVBiasBGR[2];
+ int yg = yuvconstants->kYToRgb[0] / 0x0101;
+#elif defined(__arm__)
+ int ub = -yuvconstants->kUVToRB[0];
+ int ug = yuvconstants->kUVToG[0];
+ int vg = yuvconstants->kUVToG[4];
+ int vr = -yuvconstants->kUVToRB[4];
+ int bb = yuvconstants->kUVBiasBGR[0];
+ int bg = yuvconstants->kUVBiasBGR[1];
+ int br = yuvconstants->kUVBiasBGR[2];
+ int yg = yuvconstants->kYToRgb[0] / 0x0101;
+#else
+ int ub = yuvconstants->kUVToB[0];
+ int ug = yuvconstants->kUVToG[0];
+ int vg = yuvconstants->kUVToG[1];
+ int vr = yuvconstants->kUVToR[1];
+ int bb = yuvconstants->kUVBiasB[0];
+ int bg = yuvconstants->kUVBiasG[0];
+ int br = yuvconstants->kUVBiasR[0];
+ int yg = yuvconstants->kYToRgb[0];
+#endif
-static __inline uint32 Clip(int32 val) {
- if (val < 0) {
- return static_cast<uint32>(0);
- } else if (val > 255) {
- return static_cast<uint32>(255);
- }
- return static_cast<uint32>(val);
+ uint32 y1 = (uint32)(y * 0x0101 * yg) >> 16;
+ *b = Clamp((int32)(-(u * ub ) + y1 + bb) >> 6);
+ *g = Clamp((int32)(-(u * ug + v * vg) + y1 + bg) >> 6);
+ *r = Clamp((int32)(-( v * vr) + y1 + br) >> 6);
}
-static __inline void YuvPixel(uint8 y, uint8 u, uint8 v, uint8* rgb_buf,
- int ashift, int rshift, int gshift, int bshift) {
- int32 y1 = (static_cast<int32>(y) - 16) * YG;
- uint32 b = Clip(static_cast<int32>((u * UB + v * VB) - (BB) + y1) >> 6);
- uint32 g = Clip(static_cast<int32>((u * UG + v * VG) - (BG) + y1) >> 6);
- uint32 r = Clip(static_cast<int32>((u * UR + v * VR) - (BR) + y1) >> 6);
- *reinterpret_cast<uint32*>(rgb_buf) = (b << bshift) |
- (g << gshift) |
- (r << rshift) |
- (255u << ashift);
-}
+// Y contribution to R,G,B. Scale and bias.
+#define YG 18997 /* round(1.164 * 64 * 256 * 256 / 257) */
+#define YGB -1160 /* 1.164 * 64 * -16 + 64 / 2 */
-static __inline void YuvPixel2(uint8 y, uint8 u, uint8 v,
- uint8* b, uint8* g, uint8* r) {
- int32 y1 = (static_cast<int32>(y) - 16) * YG;
- *b = Clip(static_cast<int32>((u * UB + v * VB) - (BB) + y1) >> 6);
- *g = Clip(static_cast<int32>((u * UG + v * VG) - (BG) + y1) >> 6);
- *r = Clip(static_cast<int32>((u * UR + v * VR) - (BR) + y1) >> 6);
+// C reference code that mimics the YUV assembly.
+static __inline void YPixel(uint8 y, uint8* b, uint8* g, uint8* r) {
+ uint32 y1 = (uint32)(y * 0x0101 * YG) >> 16;
+ *b = Clamp((int32)(y1 + YGB) >> 6);
+ *g = Clamp((int32)(y1 + YGB) >> 6);
+ *r = Clamp((int32)(y1 + YGB) >> 6);
}
-void I444ToARGBRow_C(const uint8* y_buf,
- const uint8* u_buf,
- const uint8* v_buf,
+#undef YG
+#undef YGB
+
+#if !defined(LIBYUV_DISABLE_NEON) && \
+ (defined(__ARM_NEON__) || defined(__aarch64__) || defined(LIBYUV_NEON))
+// C mimic assembly.
+// TODO(fbarchard): Remove subsampling from Neon.
+void I444ToARGBRow_C(const uint8* src_y,
+ const uint8* src_u,
+ const uint8* src_v,
+ uint8* rgb_buf,
+ const struct YuvConstants* yuvconstants,
+ int width) {
+ int x;
+ for (x = 0; x < width - 1; x += 2) {
+ uint8 u = (src_u[0] + src_u[1] + 1) >> 1;
+ uint8 v = (src_v[0] + src_v[1] + 1) >> 1;
+ YuvPixel(src_y[0], u, v, rgb_buf + 0, rgb_buf + 1, rgb_buf + 2,
+ yuvconstants);
+ rgb_buf[3] = 255;
+ YuvPixel(src_y[1], u, v, rgb_buf + 4, rgb_buf + 5, rgb_buf + 6,
+ yuvconstants);
+ rgb_buf[7] = 255;
+ src_y += 2;
+ src_u += 2;
+ src_v += 2;
+ rgb_buf += 8; // Advance 2 pixels.
+ }
+ if (width & 1) {
+ YuvPixel(src_y[0], src_u[0], src_v[0],
+ rgb_buf + 0, rgb_buf + 1, rgb_buf + 2, yuvconstants);
+ rgb_buf[3] = 255;
+ }
+}
+#else
+void I444ToARGBRow_C(const uint8* src_y,
+ const uint8* src_u,
+ const uint8* src_v,
uint8* rgb_buf,
+ const struct YuvConstants* yuvconstants,
int width) {
- for (int x = 0; x < width; ++x) {
- YuvPixel(y_buf[0], u_buf[0], v_buf[0], rgb_buf, 24, 16, 8, 0);
- y_buf += 1;
- u_buf += 1;
- v_buf += 1;
+ int x;
+ for (x = 0; x < width; ++x) {
+ YuvPixel(src_y[0], src_u[0], src_v[0],
+ rgb_buf + 0, rgb_buf + 1, rgb_buf + 2, yuvconstants);
+ rgb_buf[3] = 255;
+ src_y += 1;
+ src_u += 1;
+ src_v += 1;
rgb_buf += 4; // Advance 1 pixel.
}
}
+#endif
// Also used for 420
-void I422ToARGBRow_C(const uint8* y_buf,
- const uint8* u_buf,
- const uint8* v_buf,
+void I422ToARGBRow_C(const uint8* src_y,
+ const uint8* src_u,
+ const uint8* src_v,
uint8* rgb_buf,
+ const struct YuvConstants* yuvconstants,
int width) {
- for (int x = 0; x < width - 1; x += 2) {
- YuvPixel(y_buf[0], u_buf[0], v_buf[0], rgb_buf + 0, 24, 16, 8, 0);
- YuvPixel(y_buf[1], u_buf[0], v_buf[0], rgb_buf + 4, 24, 16, 8, 0);
- y_buf += 2;
- u_buf += 1;
- v_buf += 1;
+ int x;
+ for (x = 0; x < width - 1; x += 2) {
+ YuvPixel(src_y[0], src_u[0], src_v[0],
+ rgb_buf + 0, rgb_buf + 1, rgb_buf + 2, yuvconstants);
+ rgb_buf[3] = 255;
+ YuvPixel(src_y[1], src_u[0], src_v[0],
+ rgb_buf + 4, rgb_buf + 5, rgb_buf + 6, yuvconstants);
+ rgb_buf[7] = 255;
+ src_y += 2;
+ src_u += 1;
+ src_v += 1;
+ rgb_buf += 8; // Advance 2 pixels.
+ }
+ if (width & 1) {
+ YuvPixel(src_y[0], src_u[0], src_v[0],
+ rgb_buf + 0, rgb_buf + 1, rgb_buf + 2, yuvconstants);
+ rgb_buf[3] = 255;
+ }
+}
+
+void I422AlphaToARGBRow_C(const uint8* src_y,
+ const uint8* src_u,
+ const uint8* src_v,
+ const uint8* src_a,
+ uint8* rgb_buf,
+ const struct YuvConstants* yuvconstants,
+ int width) {
+ int x;
+ for (x = 0; x < width - 1; x += 2) {
+ YuvPixel(src_y[0], src_u[0], src_v[0],
+ rgb_buf + 0, rgb_buf + 1, rgb_buf + 2, yuvconstants);
+ rgb_buf[3] = src_a[0];
+ YuvPixel(src_y[1], src_u[0], src_v[0],
+ rgb_buf + 4, rgb_buf + 5, rgb_buf + 6, yuvconstants);
+ rgb_buf[7] = src_a[1];
+ src_y += 2;
+ src_u += 1;
+ src_v += 1;
+ src_a += 2;
rgb_buf += 8; // Advance 2 pixels.
}
if (width & 1) {
- YuvPixel(y_buf[0], u_buf[0], v_buf[0], rgb_buf + 0, 24, 16, 8, 0);
+ YuvPixel(src_y[0], src_u[0], src_v[0],
+ rgb_buf + 0, rgb_buf + 1, rgb_buf + 2, yuvconstants);
+ rgb_buf[3] = src_a[0];
}
}
-void I422ToRGB24Row_C(const uint8* y_buf,
- const uint8* u_buf,
- const uint8* v_buf,
+void I422ToRGB24Row_C(const uint8* src_y,
+ const uint8* src_u,
+ const uint8* src_v,
uint8* rgb_buf,
+ const struct YuvConstants* yuvconstants,
int width) {
- for (int x = 0; x < width - 1; x += 2) {
- YuvPixel2(y_buf[0], u_buf[0], v_buf[0],
- rgb_buf + 0, rgb_buf + 1, rgb_buf + 2);
- YuvPixel2(y_buf[1], u_buf[0], v_buf[0],
- rgb_buf + 3, rgb_buf + 4, rgb_buf + 5);
- y_buf += 2;
- u_buf += 1;
- v_buf += 1;
+ int x;
+ for (x = 0; x < width - 1; x += 2) {
+ YuvPixel(src_y[0], src_u[0], src_v[0],
+ rgb_buf + 0, rgb_buf + 1, rgb_buf + 2, yuvconstants);
+ YuvPixel(src_y[1], src_u[0], src_v[0],
+ rgb_buf + 3, rgb_buf + 4, rgb_buf + 5, yuvconstants);
+ src_y += 2;
+ src_u += 1;
+ src_v += 1;
rgb_buf += 6; // Advance 2 pixels.
}
if (width & 1) {
- YuvPixel2(y_buf[0], u_buf[0], v_buf[0],
- rgb_buf + 0, rgb_buf + 1, rgb_buf + 2);
- }
-}
-
-void I422ToRAWRow_C(const uint8* y_buf,
- const uint8* u_buf,
- const uint8* v_buf,
- uint8* rgb_buf,
- int width) {
- for (int x = 0; x < width - 1; x += 2) {
- YuvPixel2(y_buf[0], u_buf[0], v_buf[0],
- rgb_buf + 2, rgb_buf + 1, rgb_buf + 0);
- YuvPixel2(y_buf[1], u_buf[0], v_buf[0],
- rgb_buf + 5, rgb_buf + 4, rgb_buf + 3);
- y_buf += 2;
- u_buf += 1;
- v_buf += 1;
- rgb_buf += 6; // Advance 2 pixels.
+ YuvPixel(src_y[0], src_u[0], src_v[0],
+ rgb_buf + 0, rgb_buf + 1, rgb_buf + 2, yuvconstants);
+ }
+}
+
+void I422ToARGB4444Row_C(const uint8* src_y,
+ const uint8* src_u,
+ const uint8* src_v,
+ uint8* dst_argb4444,
+ const struct YuvConstants* yuvconstants,
+ int width) {
+ uint8 b0;
+ uint8 g0;
+ uint8 r0;
+ uint8 b1;
+ uint8 g1;
+ uint8 r1;
+ int x;
+ for (x = 0; x < width - 1; x += 2) {
+ YuvPixel(src_y[0], src_u[0], src_v[0], &b0, &g0, &r0, yuvconstants);
+ YuvPixel(src_y[1], src_u[0], src_v[0], &b1, &g1, &r1, yuvconstants);
+ b0 = b0 >> 4;
+ g0 = g0 >> 4;
+ r0 = r0 >> 4;
+ b1 = b1 >> 4;
+ g1 = g1 >> 4;
+ r1 = r1 >> 4;
+ *(uint32*)(dst_argb4444) = b0 | (g0 << 4) | (r0 << 8) |
+ (b1 << 16) | (g1 << 20) | (r1 << 24) | 0xf000f000;
+ src_y += 2;
+ src_u += 1;
+ src_v += 1;
+ dst_argb4444 += 4; // Advance 2 pixels.
}
if (width & 1) {
- YuvPixel2(y_buf[0], u_buf[0], v_buf[0],
- rgb_buf + 0, rgb_buf + 1, rgb_buf + 2);
+ YuvPixel(src_y[0], src_u[0], src_v[0], &b0, &g0, &r0, yuvconstants);
+ b0 = b0 >> 4;
+ g0 = g0 >> 4;
+ r0 = r0 >> 4;
+ *(uint16*)(dst_argb4444) = b0 | (g0 << 4) | (r0 << 8) |
+ 0xf000;
}
}
-void I411ToARGBRow_C(const uint8* y_buf,
- const uint8* u_buf,
- const uint8* v_buf,
+void I422ToARGB1555Row_C(const uint8* src_y,
+ const uint8* src_u,
+ const uint8* src_v,
+ uint8* dst_argb1555,
+ const struct YuvConstants* yuvconstants,
+ int width) {
+ uint8 b0;
+ uint8 g0;
+ uint8 r0;
+ uint8 b1;
+ uint8 g1;
+ uint8 r1;
+ int x;
+ for (x = 0; x < width - 1; x += 2) {
+ YuvPixel(src_y[0], src_u[0], src_v[0], &b0, &g0, &r0, yuvconstants);
+ YuvPixel(src_y[1], src_u[0], src_v[0], &b1, &g1, &r1, yuvconstants);
+ b0 = b0 >> 3;
+ g0 = g0 >> 3;
+ r0 = r0 >> 3;
+ b1 = b1 >> 3;
+ g1 = g1 >> 3;
+ r1 = r1 >> 3;
+ *(uint32*)(dst_argb1555) = b0 | (g0 << 5) | (r0 << 10) |
+ (b1 << 16) | (g1 << 21) | (r1 << 26) | 0x80008000;
+ src_y += 2;
+ src_u += 1;
+ src_v += 1;
+ dst_argb1555 += 4; // Advance 2 pixels.
+ }
+ if (width & 1) {
+ YuvPixel(src_y[0], src_u[0], src_v[0], &b0, &g0, &r0, yuvconstants);
+ b0 = b0 >> 3;
+ g0 = g0 >> 3;
+ r0 = r0 >> 3;
+ *(uint16*)(dst_argb1555) = b0 | (g0 << 5) | (r0 << 10) |
+ 0x8000;
+ }
+}
+
+void I422ToRGB565Row_C(const uint8* src_y,
+ const uint8* src_u,
+ const uint8* src_v,
+ uint8* dst_rgb565,
+ const struct YuvConstants* yuvconstants,
+ int width) {
+ uint8 b0;
+ uint8 g0;
+ uint8 r0;
+ uint8 b1;
+ uint8 g1;
+ uint8 r1;
+ int x;
+ for (x = 0; x < width - 1; x += 2) {
+ YuvPixel(src_y[0], src_u[0], src_v[0], &b0, &g0, &r0, yuvconstants);
+ YuvPixel(src_y[1], src_u[0], src_v[0], &b1, &g1, &r1, yuvconstants);
+ b0 = b0 >> 3;
+ g0 = g0 >> 2;
+ r0 = r0 >> 3;
+ b1 = b1 >> 3;
+ g1 = g1 >> 2;
+ r1 = r1 >> 3;
+ *(uint32*)(dst_rgb565) = b0 | (g0 << 5) | (r0 << 11) |
+ (b1 << 16) | (g1 << 21) | (r1 << 27);
+ src_y += 2;
+ src_u += 1;
+ src_v += 1;
+ dst_rgb565 += 4; // Advance 2 pixels.
+ }
+ if (width & 1) {
+ YuvPixel(src_y[0], src_u[0], src_v[0], &b0, &g0, &r0, yuvconstants);
+ b0 = b0 >> 3;
+ g0 = g0 >> 2;
+ r0 = r0 >> 3;
+ *(uint16*)(dst_rgb565) = b0 | (g0 << 5) | (r0 << 11);
+ }
+}
+
+void I411ToARGBRow_C(const uint8* src_y,
+ const uint8* src_u,
+ const uint8* src_v,
uint8* rgb_buf,
+ const struct YuvConstants* yuvconstants,
int width) {
- for (int x = 0; x < width - 3; x += 4) {
- YuvPixel(y_buf[0], u_buf[0], v_buf[0], rgb_buf + 0, 24, 16, 8, 0);
- YuvPixel(y_buf[1], u_buf[0], v_buf[0], rgb_buf + 4, 24, 16, 8, 0);
- YuvPixel(y_buf[2], u_buf[0], v_buf[0], rgb_buf + 8, 24, 16, 8, 0);
- YuvPixel(y_buf[3], u_buf[0], v_buf[0], rgb_buf + 12, 24, 16, 8, 0);
- y_buf += 4;
- u_buf += 1;
- v_buf += 1;
+ int x;
+ for (x = 0; x < width - 3; x += 4) {
+ YuvPixel(src_y[0], src_u[0], src_v[0],
+ rgb_buf + 0, rgb_buf + 1, rgb_buf + 2, yuvconstants);
+ rgb_buf[3] = 255;
+ YuvPixel(src_y[1], src_u[0], src_v[0],
+ rgb_buf + 4, rgb_buf + 5, rgb_buf + 6, yuvconstants);
+ rgb_buf[7] = 255;
+ YuvPixel(src_y[2], src_u[0], src_v[0],
+ rgb_buf + 8, rgb_buf + 9, rgb_buf + 10, yuvconstants);
+ rgb_buf[11] = 255;
+ YuvPixel(src_y[3], src_u[0], src_v[0],
+ rgb_buf + 12, rgb_buf + 13, rgb_buf + 14, yuvconstants);
+ rgb_buf[15] = 255;
+ src_y += 4;
+ src_u += 1;
+ src_v += 1;
rgb_buf += 16; // Advance 4 pixels.
}
if (width & 2) {
- YuvPixel(y_buf[0], u_buf[0], v_buf[0], rgb_buf + 0, 24, 16, 8, 0);
- YuvPixel(y_buf[1], u_buf[0], v_buf[0], rgb_buf + 4, 24, 16, 8, 0);
- y_buf += 2;
+ YuvPixel(src_y[0], src_u[0], src_v[0],
+ rgb_buf + 0, rgb_buf + 1, rgb_buf + 2, yuvconstants);
+ rgb_buf[3] = 255;
+ YuvPixel(src_y[1], src_u[0], src_v[0],
+ rgb_buf + 4, rgb_buf + 5, rgb_buf + 6, yuvconstants);
+ rgb_buf[7] = 255;
+ src_y += 2;
rgb_buf += 8; // Advance 2 pixels.
}
if (width & 1) {
- YuvPixel(y_buf[0], u_buf[0], v_buf[0], rgb_buf + 0, 24, 16, 8, 0);
+ YuvPixel(src_y[0], src_u[0], src_v[0],
+ rgb_buf + 0, rgb_buf + 1, rgb_buf + 2, yuvconstants);
+ rgb_buf[3] = 255;
}
}
-void NV12ToARGBRow_C(const uint8* y_buf,
- const uint8* uv_buf,
+void NV12ToARGBRow_C(const uint8* src_y,
+ const uint8* src_uv,
uint8* rgb_buf,
+ const struct YuvConstants* yuvconstants,
int width) {
- for (int x = 0; x < width - 1; x += 2) {
- YuvPixel(y_buf[0], uv_buf[0], uv_buf[1], rgb_buf + 0, 24, 16, 8, 0);
- YuvPixel(y_buf[1], uv_buf[0], uv_buf[1], rgb_buf + 4, 24, 16, 8, 0);
- y_buf += 2;
- uv_buf += 2;
+ int x;
+ for (x = 0; x < width - 1; x += 2) {
+ YuvPixel(src_y[0], src_uv[0], src_uv[1],
+ rgb_buf + 0, rgb_buf + 1, rgb_buf + 2, yuvconstants);
+ rgb_buf[3] = 255;
+ YuvPixel(src_y[1], src_uv[0], src_uv[1],
+ rgb_buf + 4, rgb_buf + 5, rgb_buf + 6, yuvconstants);
+ rgb_buf[7] = 255;
+ src_y += 2;
+ src_uv += 2;
rgb_buf += 8; // Advance 2 pixels.
}
if (width & 1) {
- YuvPixel(y_buf[0], uv_buf[0], uv_buf[1], rgb_buf + 0, 24, 16, 8, 0);
+ YuvPixel(src_y[0], src_uv[0], src_uv[1],
+ rgb_buf + 0, rgb_buf + 1, rgb_buf + 2, yuvconstants);
+ rgb_buf[3] = 255;
}
}
-void NV21ToARGBRow_C(const uint8* y_buf,
- const uint8* vu_buf,
+void NV21ToARGBRow_C(const uint8* src_y,
+ const uint8* src_vu,
uint8* rgb_buf,
+ const struct YuvConstants* yuvconstants,
int width) {
- for (int x = 0; x < width - 1; x += 2) {
- YuvPixel(y_buf[0], vu_buf[1], vu_buf[0], rgb_buf + 0, 24, 16, 8, 0);
- YuvPixel(y_buf[1], vu_buf[1], vu_buf[0], rgb_buf + 4, 24, 16, 8, 0);
- y_buf += 2;
- vu_buf += 2;
+ int x;
+ for (x = 0; x < width - 1; x += 2) {
+ YuvPixel(src_y[0], src_vu[1], src_vu[0],
+ rgb_buf + 0, rgb_buf + 1, rgb_buf + 2, yuvconstants);
+ rgb_buf[3] = 255;
+ YuvPixel(src_y[1], src_vu[1], src_vu[0],
+ rgb_buf + 4, rgb_buf + 5, rgb_buf + 6, yuvconstants);
+ rgb_buf[7] = 255;
+ src_y += 2;
+ src_vu += 2;
rgb_buf += 8; // Advance 2 pixels.
}
if (width & 1) {
- YuvPixel(y_buf[0], vu_buf[1], vu_buf[0], rgb_buf + 0, 24, 16, 8, 0);
+ YuvPixel(src_y[0], src_vu[1], src_vu[0],
+ rgb_buf + 0, rgb_buf + 1, rgb_buf + 2, yuvconstants);
+ rgb_buf[3] = 255;
+ }
+}
+
+void NV12ToRGB565Row_C(const uint8* src_y,
+ const uint8* src_uv,
+ uint8* dst_rgb565,
+ const struct YuvConstants* yuvconstants,
+ int width) {
+ uint8 b0;
+ uint8 g0;
+ uint8 r0;
+ uint8 b1;
+ uint8 g1;
+ uint8 r1;
+ int x;
+ for (x = 0; x < width - 1; x += 2) {
+ YuvPixel(src_y[0], src_uv[0], src_uv[1], &b0, &g0, &r0, yuvconstants);
+ YuvPixel(src_y[1], src_uv[0], src_uv[1], &b1, &g1, &r1, yuvconstants);
+ b0 = b0 >> 3;
+ g0 = g0 >> 2;
+ r0 = r0 >> 3;
+ b1 = b1 >> 3;
+ g1 = g1 >> 2;
+ r1 = r1 >> 3;
+ *(uint32*)(dst_rgb565) = b0 | (g0 << 5) | (r0 << 11) |
+ (b1 << 16) | (g1 << 21) | (r1 << 27);
+ src_y += 2;
+ src_uv += 2;
+ dst_rgb565 += 4; // Advance 2 pixels.
+ }
+ if (width & 1) {
+ YuvPixel(src_y[0], src_uv[0], src_uv[1], &b0, &g0, &r0, yuvconstants);
+ b0 = b0 >> 3;
+ g0 = g0 >> 2;
+ r0 = r0 >> 3;
+ *(uint16*)(dst_rgb565) = b0 | (g0 << 5) | (r0 << 11);
}
}
-void I422ToBGRARow_C(const uint8* y_buf,
- const uint8* u_buf,
- const uint8* v_buf,
+void YUY2ToARGBRow_C(const uint8* src_yuy2,
uint8* rgb_buf,
+ const struct YuvConstants* yuvconstants,
int width) {
- for (int x = 0; x < width - 1; x += 2) {
- YuvPixel(y_buf[0], u_buf[0], v_buf[0], rgb_buf + 0, 0, 8, 16, 24);
- YuvPixel(y_buf[1], u_buf[0], v_buf[0], rgb_buf + 4, 0, 8, 16, 24);
- y_buf += 2;
- u_buf += 1;
- v_buf += 1;
+ int x;
+ for (x = 0; x < width - 1; x += 2) {
+ YuvPixel(src_yuy2[0], src_yuy2[1], src_yuy2[3],
+ rgb_buf + 0, rgb_buf + 1, rgb_buf + 2, yuvconstants);
+ rgb_buf[3] = 255;
+ YuvPixel(src_yuy2[2], src_yuy2[1], src_yuy2[3],
+ rgb_buf + 4, rgb_buf + 5, rgb_buf + 6, yuvconstants);
+ rgb_buf[7] = 255;
+ src_yuy2 += 4;
rgb_buf += 8; // Advance 2 pixels.
}
if (width & 1) {
- YuvPixel(y_buf[0], u_buf[0], v_buf[0], rgb_buf, 0, 8, 16, 24);
+ YuvPixel(src_yuy2[0], src_yuy2[1], src_yuy2[3],
+ rgb_buf + 0, rgb_buf + 1, rgb_buf + 2, yuvconstants);
+ rgb_buf[3] = 255;
}
}
-void I422ToABGRRow_C(const uint8* y_buf,
- const uint8* u_buf,
- const uint8* v_buf,
+void UYVYToARGBRow_C(const uint8* src_uyvy,
uint8* rgb_buf,
+ const struct YuvConstants* yuvconstants,
int width) {
- for (int x = 0; x < width - 1; x += 2) {
- YuvPixel(y_buf[0], u_buf[0], v_buf[0], rgb_buf + 0, 24, 0, 8, 16);
- YuvPixel(y_buf[1], u_buf[0], v_buf[0], rgb_buf + 4, 24, 0, 8, 16);
- y_buf += 2;
- u_buf += 1;
- v_buf += 1;
+ int x;
+ for (x = 0; x < width - 1; x += 2) {
+ YuvPixel(src_uyvy[1], src_uyvy[0], src_uyvy[2],
+ rgb_buf + 0, rgb_buf + 1, rgb_buf + 2, yuvconstants);
+ rgb_buf[3] = 255;
+ YuvPixel(src_uyvy[3], src_uyvy[0], src_uyvy[2],
+ rgb_buf + 4, rgb_buf + 5, rgb_buf + 6, yuvconstants);
+ rgb_buf[7] = 255;
+ src_uyvy += 4;
rgb_buf += 8; // Advance 2 pixels.
}
if (width & 1) {
- YuvPixel(y_buf[0], u_buf[0], v_buf[0], rgb_buf + 0, 24, 0, 8, 16);
+ YuvPixel(src_uyvy[1], src_uyvy[0], src_uyvy[2],
+ rgb_buf + 0, rgb_buf + 1, rgb_buf + 2, yuvconstants);
+ rgb_buf[3] = 255;
}
}
-void I422ToRGBARow_C(const uint8* y_buf,
- const uint8* u_buf,
- const uint8* v_buf,
+void I422ToRGBARow_C(const uint8* src_y,
+ const uint8* src_u,
+ const uint8* src_v,
uint8* rgb_buf,
+ const struct YuvConstants* yuvconstants,
int width) {
- for (int x = 0; x < width - 1; x += 2) {
- YuvPixel(y_buf[0], u_buf[0], v_buf[0], rgb_buf + 0, 0, 24, 16, 8);
- YuvPixel(y_buf[1], u_buf[0], v_buf[0], rgb_buf + 4, 0, 24, 16, 8);
- y_buf += 2;
- u_buf += 1;
- v_buf += 1;
+ int x;
+ for (x = 0; x < width - 1; x += 2) {
+ YuvPixel(src_y[0], src_u[0], src_v[0],
+ rgb_buf + 1, rgb_buf + 2, rgb_buf + 3, yuvconstants);
+ rgb_buf[0] = 255;
+ YuvPixel(src_y[1], src_u[0], src_v[0],
+ rgb_buf + 5, rgb_buf + 6, rgb_buf + 7, yuvconstants);
+ rgb_buf[4] = 255;
+ src_y += 2;
+ src_u += 1;
+ src_v += 1;
rgb_buf += 8; // Advance 2 pixels.
}
if (width & 1) {
- YuvPixel(y_buf[0], u_buf[0], v_buf[0], rgb_buf + 0, 0, 24, 16, 8);
+ YuvPixel(src_y[0], src_u[0], src_v[0],
+ rgb_buf + 1, rgb_buf + 2, rgb_buf + 3, yuvconstants);
+ rgb_buf[0] = 255;
}
}
-void YToARGBRow_C(const uint8* y_buf, uint8* rgb_buf, int width) {
- for (int x = 0; x < width; ++x) {
- YuvPixel(y_buf[0], 128, 128, rgb_buf, 24, 16, 8, 0);
- y_buf += 1;
- rgb_buf += 4; // Advance 1 pixel.
+void I400ToARGBRow_C(const uint8* src_y, uint8* rgb_buf, int width) {
+ int x;
+ for (x = 0; x < width - 1; x += 2) {
+ YPixel(src_y[0], rgb_buf + 0, rgb_buf + 1, rgb_buf + 2);
+ rgb_buf[3] = 255;
+ YPixel(src_y[1], rgb_buf + 4, rgb_buf + 5, rgb_buf + 6);
+ rgb_buf[7] = 255;
+ src_y += 2;
+ rgb_buf += 8; // Advance 2 pixels.
+ }
+ if (width & 1) {
+ YPixel(src_y[0], rgb_buf + 0, rgb_buf + 1, rgb_buf + 2);
+ rgb_buf[3] = 255;
}
}
void MirrorRow_C(const uint8* src, uint8* dst, int width) {
+ int x;
src += width - 1;
- for (int x = 0; x < width - 1; x += 2) {
+ for (x = 0; x < width - 1; x += 2) {
dst[x] = src[0];
dst[x + 1] = src[-1];
src -= 2;
@@ -674,9 +1754,10 @@ void MirrorRow_C(const uint8* src, uint8* dst, int width) {
}
}
-void MirrorRowUV_C(const uint8* src_uv, uint8* dst_u, uint8* dst_v, int width) {
+void MirrorUVRow_C(const uint8* src_uv, uint8* dst_u, uint8* dst_v, int width) {
+ int x;
src_uv += (width - 1) << 1;
- for (int x = 0; x < width - 1; x += 2) {
+ for (x = 0; x < width - 1; x += 2) {
dst_u[x] = src_uv[0];
dst_u[x + 1] = src_uv[-2];
dst_v[x] = src_uv[1];
@@ -690,10 +1771,11 @@ void MirrorRowUV_C(const uint8* src_uv, uint8* dst_u, uint8* dst_v, int width) {
}
void ARGBMirrorRow_C(const uint8* src, uint8* dst, int width) {
- const uint32* src32 = reinterpret_cast<const uint32*>(src);
- uint32* dst32 = reinterpret_cast<uint32*>(dst);
+ int x;
+ const uint32* src32 = (const uint32*)(src);
+ uint32* dst32 = (uint32*)(dst);
src32 += width - 1;
- for (int x = 0; x < width - 1; x += 2) {
+ for (x = 0; x < width - 1; x += 2) {
dst32[x] = src32[0];
dst32[x + 1] = src32[-1];
src32 -= 2;
@@ -703,8 +1785,9 @@ void ARGBMirrorRow_C(const uint8* src, uint8* dst, int width) {
}
}
-void SplitUV_C(const uint8* src_uv, uint8* dst_u, uint8* dst_v, int width) {
- for (int x = 0; x < width - 1; x += 2) {
+void SplitUVRow_C(const uint8* src_uv, uint8* dst_u, uint8* dst_v, int width) {
+ int x;
+ for (x = 0; x < width - 1; x += 2) {
dst_u[x] = src_uv[0];
dst_u[x + 1] = src_uv[2];
dst_v[x] = src_uv[1];
@@ -717,29 +1800,39 @@ void SplitUV_C(const uint8* src_uv, uint8* dst_u, uint8* dst_v, int width) {
}
}
+void MergeUVRow_C(const uint8* src_u, const uint8* src_v, uint8* dst_uv,
+ int width) {
+ int x;
+ for (x = 0; x < width - 1; x += 2) {
+ dst_uv[0] = src_u[x];
+ dst_uv[1] = src_v[x];
+ dst_uv[2] = src_u[x + 1];
+ dst_uv[3] = src_v[x + 1];
+ dst_uv += 4;
+ }
+ if (width & 1) {
+ dst_uv[0] = src_u[width - 1];
+ dst_uv[1] = src_v[width - 1];
+ }
+}
+
void CopyRow_C(const uint8* src, uint8* dst, int count) {
memcpy(dst, src, count);
}
-void SetRow8_C(uint8* dst, uint32 v8, int count) {
-#ifdef _MSC_VER
- // VC will generate rep stosb.
- for (int x = 0; x < count; ++x) {
- dst[x] = v8;
- }
-#else
- memset(dst, v8, count);
-#endif
+void CopyRow_16_C(const uint16* src, uint16* dst, int count) {
+ memcpy(dst, src, count * 2);
+}
+
+void SetRow_C(uint8* dst, uint8 v8, int width) {
+ memset(dst, v8, width);
}
-void SetRows32_C(uint8* dst, uint32 v32, int width,
- int dst_stride, int height) {
- for (int y = 0; y < height; ++y) {
- uint32* d = reinterpret_cast<uint32*>(dst);
- for (int x = 0; x < width; ++x) {
- d[x] = v32;
- }
- dst += dst_stride;
+void ARGBSetRow_C(uint8* dst_argb, uint32 v32, int width) {
+ uint32* d = (uint32*)(dst_argb);
+ int x;
+ for (x = 0; x < width; ++x) {
+ d[x] = v32;
}
}
@@ -747,7 +1840,8 @@ void SetRows32_C(uint8* dst, uint32 v32, int width,
void YUY2ToUVRow_C(const uint8* src_yuy2, int src_stride_yuy2,
uint8* dst_u, uint8* dst_v, int width) {
// Output a row of UV values, filtering 2 rows of YUY2.
- for (int x = 0; x < width; x += 2) {
+ int x;
+ for (x = 0; x < width; x += 2) {
dst_u[0] = (src_yuy2[1] + src_yuy2[src_stride_yuy2 + 1] + 1) >> 1;
dst_v[0] = (src_yuy2[3] + src_yuy2[src_stride_yuy2 + 3] + 1) >> 1;
src_yuy2 += 4;
@@ -760,7 +1854,8 @@ void YUY2ToUVRow_C(const uint8* src_yuy2, int src_stride_yuy2,
void YUY2ToUV422Row_C(const uint8* src_yuy2,
uint8* dst_u, uint8* dst_v, int width) {
// Output a row of UV values.
- for (int x = 0; x < width; x += 2) {
+ int x;
+ for (x = 0; x < width; x += 2) {
dst_u[0] = src_yuy2[1];
dst_v[0] = src_yuy2[3];
src_yuy2 += 4;
@@ -772,7 +1867,8 @@ void YUY2ToUV422Row_C(const uint8* src_yuy2,
// Copy row of YUY2 Y's (422) into Y (420/422).
void YUY2ToYRow_C(const uint8* src_yuy2, uint8* dst_y, int width) {
// Output a row of Y values.
- for (int x = 0; x < width - 1; x += 2) {
+ int x;
+ for (x = 0; x < width - 1; x += 2) {
dst_y[x] = src_yuy2[0];
dst_y[x + 1] = src_yuy2[2];
src_yuy2 += 4;
@@ -786,7 +1882,8 @@ void YUY2ToYRow_C(const uint8* src_yuy2, uint8* dst_y, int width) {
void UYVYToUVRow_C(const uint8* src_uyvy, int src_stride_uyvy,
uint8* dst_u, uint8* dst_v, int width) {
// Output a row of UV values.
- for (int x = 0; x < width; x += 2) {
+ int x;
+ for (x = 0; x < width; x += 2) {
dst_u[0] = (src_uyvy[0] + src_uyvy[src_stride_uyvy + 0] + 1) >> 1;
dst_v[0] = (src_uyvy[2] + src_uyvy[src_stride_uyvy + 2] + 1) >> 1;
src_uyvy += 4;
@@ -799,7 +1896,8 @@ void UYVYToUVRow_C(const uint8* src_uyvy, int src_stride_uyvy,
void UYVYToUV422Row_C(const uint8* src_uyvy,
uint8* dst_u, uint8* dst_v, int width) {
// Output a row of UV values.
- for (int x = 0; x < width; x += 2) {
+ int x;
+ for (x = 0; x < width; x += 2) {
dst_u[0] = src_uyvy[0];
dst_v[0] = src_uyvy[2];
src_uyvy += 4;
@@ -811,7 +1909,8 @@ void UYVYToUV422Row_C(const uint8* src_uyvy,
// Copy row of UYVY Y's (422) into Y (420/422).
void UYVYToYRow_C(const uint8* src_uyvy, uint8* dst_y, int width) {
// Output a row of Y values.
- for (int x = 0; x < width - 1; x += 2) {
+ int x;
+ for (x = 0; x < width - 1; x += 2) {
dst_y[x] = src_uyvy[1];
dst_y[x + 1] = src_uyvy[3];
src_uyvy += 4;
@@ -828,7 +1927,8 @@ void UYVYToYRow_C(const uint8* src_uyvy, uint8* dst_y, int width) {
// This code mimics the SSSE3 version for better testability.
void ARGBBlendRow_C(const uint8* src_argb0, const uint8* src_argb1,
uint8* dst_argb, int width) {
- for (int x = 0; x < width - 1; x += 2) {
+ int x;
+ for (x = 0; x < width - 1; x += 2) {
uint32 fb = src_argb0[0];
uint32 fg = src_argb0[1];
uint32 fr = src_argb0[2];
@@ -872,12 +1972,32 @@ void ARGBBlendRow_C(const uint8* src_argb0, const uint8* src_argb1,
}
}
#undef BLEND
+
+#define UBLEND(f, b, a) (((a) * f) + ((255 - a) * b) + 255) >> 8
+void BlendPlaneRow_C(const uint8* src0, const uint8* src1,
+ const uint8* alpha, uint8* dst, int width) {
+ int x;
+ for (x = 0; x < width - 1; x += 2) {
+ dst[0] = UBLEND(src0[0], src1[0], alpha[0]);
+ dst[1] = UBLEND(src0[1], src1[1], alpha[1]);
+ src0 += 2;
+ src1 += 2;
+ alpha += 2;
+ dst += 2;
+ }
+ if (width & 1) {
+ dst[0] = UBLEND(src0[0], src1[0], alpha[0]);
+ }
+}
+#undef UBLEND
+
#define ATTENUATE(f, a) (a | (a << 8)) * (f | (f << 8)) >> 24
// Multiply source RGB by alpha and store to destination.
// This code mimics the SSSE3 version for better testability.
void ARGBAttenuateRow_C(const uint8* src_argb, uint8* dst_argb, int width) {
- for (int i = 0; i < width - 1; i += 2) {
+ int i;
+ for (i = 0; i < width - 1; i += 2) {
uint32 b = src_argb[0];
uint32 g = src_argb[1];
uint32 r = src_argb[2];
@@ -916,10 +2036,10 @@ void ARGBAttenuateRow_C(const uint8* src_argb, uint8* dst_argb, int width) {
// g = (g * 255 + (a / 2)) / a;
// r = (r * 255 + (a / 2)) / a;
// Reciprocal method is off by 1 on some values. ie 125
-// 8.16 fixed point inverse table
-#define T(a) 0x10000 / a
-uint32 fixed_invtbl8[256] = {
- 0x0100, T(0x01), T(0x02), T(0x03), T(0x04), T(0x05), T(0x06), T(0x07),
+// 8.8 fixed point inverse table with 1.0 in upper short and 1 / a in lower.
+#define T(a) 0x01000000 + (0x10000 / a)
+const uint32 fixed_invtbl8[256] = {
+ 0x01000000, 0x0100ffff, T(0x02), T(0x03), T(0x04), T(0x05), T(0x06), T(0x07),
T(0x08), T(0x09), T(0x0a), T(0x0b), T(0x0c), T(0x0d), T(0x0e), T(0x0f),
T(0x10), T(0x11), T(0x12), T(0x13), T(0x14), T(0x15), T(0x16), T(0x17),
T(0x18), T(0x19), T(0x1a), T(0x1b), T(0x1c), T(0x1d), T(0x1e), T(0x1f),
@@ -950,202 +2070,35 @@ uint32 fixed_invtbl8[256] = {
T(0xe0), T(0xe1), T(0xe2), T(0xe3), T(0xe4), T(0xe5), T(0xe6), T(0xe7),
T(0xe8), T(0xe9), T(0xea), T(0xeb), T(0xec), T(0xed), T(0xee), T(0xef),
T(0xf0), T(0xf1), T(0xf2), T(0xf3), T(0xf4), T(0xf5), T(0xf6), T(0xf7),
- T(0xf8), T(0xf9), T(0xfa), T(0xfb), T(0xfc), T(0xfd), T(0xfe), 0x0100 };
+ T(0xf8), T(0xf9), T(0xfa), T(0xfb), T(0xfc), T(0xfd), T(0xfe), 0x01000100 };
#undef T
void ARGBUnattenuateRow_C(const uint8* src_argb, uint8* dst_argb, int width) {
- for (int i = 0; i < width; ++i) {
+ int i;
+ for (i = 0; i < width; ++i) {
uint32 b = src_argb[0];
uint32 g = src_argb[1];
uint32 r = src_argb[2];
const uint32 a = src_argb[3];
- if (a) {
- const uint32 ia = fixed_invtbl8[a]; // 8.16 fixed point
- b = (b * ia) >> 8;
- g = (g * ia) >> 8;
- r = (r * ia) >> 8;
- // Clamping should not be necessary but is free in assembly.
- if (b > 255) {
- b = 255;
- }
- if (g > 255) {
- g = 255;
- }
- if (r > 255) {
- r = 255;
- }
- }
- dst_argb[0] = b;
- dst_argb[1] = g;
- dst_argb[2] = r;
+ const uint32 ia = fixed_invtbl8[a] & 0xffff; // 8.8 fixed point
+ b = (b * ia) >> 8;
+ g = (g * ia) >> 8;
+ r = (r * ia) >> 8;
+ // Clamping should not be necessary but is free in assembly.
+ dst_argb[0] = clamp255(b);
+ dst_argb[1] = clamp255(g);
+ dst_argb[2] = clamp255(r);
dst_argb[3] = a;
src_argb += 4;
dst_argb += 4;
}
}
-// Wrappers to handle odd width
-#define YANY(NAMEANY, I420TORGB_SSE, I420TORGB_C, UV_SHIFT) \
- void NAMEANY(const uint8* y_buf, \
- const uint8* u_buf, \
- const uint8* v_buf, \
- uint8* rgb_buf, \
- int width) { \
- int n = width & ~7; \
- I420TORGB_SSE(y_buf, u_buf, v_buf, rgb_buf, n); \
- I420TORGB_C(y_buf + n, \
- u_buf + (n >> UV_SHIFT), \
- v_buf + (n >> UV_SHIFT), \
- rgb_buf + n * 4, width & 7); \
- }
-
-// Wrappers to handle odd width
-#define Y2NY(NAMEANY, NV12TORGB_SSE, NV12TORGB_C, UV_SHIFT) \
- void NAMEANY(const uint8* y_buf, \
- const uint8* uv_buf, \
- uint8* rgb_buf, \
- int width) { \
- int n = width & ~7; \
- NV12TORGB_SSE(y_buf, uv_buf, rgb_buf, n); \
- NV12TORGB_C(y_buf + n, \
- uv_buf + (n >> UV_SHIFT), \
- rgb_buf + n * 4, width & 7); \
- }
-
-
-#ifdef HAS_I422TOARGBROW_SSSE3
-YANY(I444ToARGBRow_Any_SSSE3, I444ToARGBRow_Unaligned_SSSE3, I444ToARGBRow_C, 0)
-YANY(I422ToARGBRow_Any_SSSE3, I422ToARGBRow_Unaligned_SSSE3, I422ToARGBRow_C, 1)
-YANY(I411ToARGBRow_Any_SSSE3, I411ToARGBRow_Unaligned_SSSE3, I411ToARGBRow_C, 2)
-Y2NY(NV12ToARGBRow_Any_SSSE3, NV12ToARGBRow_Unaligned_SSSE3, NV12ToARGBRow_C, 0)
-Y2NY(NV21ToARGBRow_Any_SSSE3, NV21ToARGBRow_Unaligned_SSSE3, NV21ToARGBRow_C, 0)
-YANY(I422ToBGRARow_Any_SSSE3, I422ToBGRARow_Unaligned_SSSE3, I422ToBGRARow_C, 1)
-YANY(I422ToABGRRow_Any_SSSE3, I422ToABGRRow_Unaligned_SSSE3, I422ToABGRRow_C, 1)
-#endif
-#ifdef HAS_I422TORGB24ROW_SSSE3
-YANY(I422ToRGB24Row_Any_SSSE3, I422ToRGB24Row_Unaligned_SSSE3, \
- I422ToRGB24Row_C, 1)
-YANY(I422ToRAWRow_Any_SSSE3, I422ToRAWRow_Unaligned_SSSE3, I422ToRAWRow_C, 1)
-#endif
-#ifdef HAS_I422TORGBAROW_SSSE3
-YANY(I422ToRGBARow_Any_SSSE3, I422ToRGBARow_Unaligned_SSSE3, I422ToRGBARow_C, 1)
-#endif
-#ifdef HAS_I422TOARGBROW_NEON
-YANY(I422ToARGBRow_Any_NEON, I422ToARGBRow_NEON, I422ToARGBRow_C, 1)
-YANY(I422ToBGRARow_Any_NEON, I422ToBGRARow_NEON, I422ToBGRARow_C, 1)
-YANY(I422ToABGRRow_Any_NEON, I422ToABGRRow_NEON, I422ToABGRRow_C, 1)
-YANY(I422ToRGBARow_Any_NEON, I422ToRGBARow_NEON, I422ToRGBARow_C, 1)
-Y2NY(NV12ToARGBRow_Any_NEON, NV12ToARGBRow_NEON, NV12ToARGBRow_C, 0)
-Y2NY(NV21ToARGBRow_Any_NEON, NV21ToARGBRow_NEON, NV21ToARGBRow_C, 0)
-YANY(I422ToRGB24Row_Any_NEON, I422ToRGB24Row_NEON, I422ToRGB24Row_C, 1)
-YANY(I422ToRAWRow_Any_NEON, I422ToRAWRow_NEON, I422ToRAWRow_C, 1)
-#endif
-#undef YANY
-
-#define RGBANY(NAMEANY, ARGBTORGB, BPP) \
- void NAMEANY(const uint8* argb_buf, \
- uint8* rgb_buf, \
- int width) { \
- SIMD_ALIGNED(uint8 row[kMaxStride]); \
- ARGBTORGB(argb_buf, row, width); \
- memcpy(rgb_buf, row, width * BPP); \
- }
-
-#if defined(HAS_ARGBTORGB24ROW_SSSE3)
-RGBANY(ARGBToRGB24Row_Any_SSSE3, ARGBToRGB24Row_SSSE3, 3)
-RGBANY(ARGBToRAWRow_Any_SSSE3, ARGBToRAWRow_SSSE3, 3)
-RGBANY(ARGBToRGB565Row_Any_SSE2, ARGBToRGB565Row_SSE2, 2)
-RGBANY(ARGBToARGB1555Row_Any_SSE2, ARGBToARGB1555Row_SSE2, 2)
-RGBANY(ARGBToARGB4444Row_Any_SSE2, ARGBToARGB4444Row_SSE2, 2)
-#endif
-#if defined(HAS_ARGBTORGB24ROW_NEON)
-RGBANY(ARGBToRGB24Row_Any_NEON, ARGBToRGB24Row_NEON, 3)
-RGBANY(ARGBToRAWRow_Any_NEON, ARGBToRAWRow_NEON, 3)
-#endif
-#undef RGBANY
-
-#define YANY(NAMEANY, ARGBTOY_SSE, BPP) \
- void NAMEANY(const uint8* src_argb, uint8* dst_y, int width) { \
- ARGBTOY_SSE(src_argb, dst_y, width - 16); \
- ARGBTOY_SSE(src_argb + (width - 16) * BPP, dst_y + (width - 16), 16); \
- }
-
-#ifdef HAS_ARGBTOYROW_SSSE3
-YANY(ARGBToYRow_Any_SSSE3, ARGBToYRow_Unaligned_SSSE3, 4)
-YANY(BGRAToYRow_Any_SSSE3, BGRAToYRow_Unaligned_SSSE3, 4)
-YANY(ABGRToYRow_Any_SSSE3, ABGRToYRow_Unaligned_SSSE3, 4)
-#endif
-#ifdef HAS_RGBATOYROW_SSSE3
-YANY(RGBAToYRow_Any_SSSE3, RGBAToYRow_Unaligned_SSSE3, 4)
-#endif
-#ifdef HAS_YUY2TOYROW_SSE2
-YANY(YUY2ToYRow_Any_SSE2, YUY2ToYRow_Unaligned_SSE2, 2)
-YANY(UYVYToYRow_Any_SSE2, UYVYToYRow_Unaligned_SSE2, 2)
-#endif
-#ifdef HAS_YUY2TOYROW_NEON
-YANY(YUY2ToYRow_Any_NEON, YUY2ToYRow_NEON, 2)
-YANY(UYVYToYRow_Any_NEON, UYVYToYRow_NEON, 2)
-#endif
-#undef YANY
-
-#define UVANY(NAMEANY, ANYTOUV_SSE, ANYTOUV_C, BPP) \
- void NAMEANY(const uint8* src_argb, int src_stride_argb, \
- uint8* dst_u, uint8* dst_v, int width) { \
- int n = width & ~15; \
- ANYTOUV_SSE(src_argb, src_stride_argb, dst_u, dst_v, n); \
- ANYTOUV_C(src_argb + n * BPP, src_stride_argb, \
- dst_u + (n >> 1), \
- dst_v + (n >> 1), \
- width & 15); \
- }
-
-#ifdef HAS_ARGBTOUVROW_SSSE3
-UVANY(ARGBToUVRow_Any_SSSE3, ARGBToUVRow_Unaligned_SSSE3, ARGBToUVRow_C, 4)
-UVANY(BGRAToUVRow_Any_SSSE3, BGRAToUVRow_Unaligned_SSSE3, BGRAToUVRow_C, 4)
-UVANY(ABGRToUVRow_Any_SSSE3, ABGRToUVRow_Unaligned_SSSE3, ABGRToUVRow_C, 4)
-#endif
-#ifdef HAS_RGBATOYROW_SSSE3
-UVANY(RGBAToUVRow_Any_SSSE3, RGBAToUVRow_Unaligned_SSSE3, RGBAToUVRow_C, 4)
-#endif
-#ifdef HAS_YUY2TOUVROW_SSE2
-UVANY(YUY2ToUVRow_Any_SSE2, YUY2ToUVRow_Unaligned_SSE2, YUY2ToUVRow_C, 2)
-UVANY(UYVYToUVRow_Any_SSE2, UYVYToUVRow_Unaligned_SSE2, UYVYToUVRow_C, 2)
-#endif
-#ifdef HAS_YUY2TOUVROW_NEON
-UVANY(YUY2ToUVRow_Any_NEON, YUY2ToUVRow_NEON, YUY2ToUVRow_C, 2)
-UVANY(UYVYToUVRow_Any_NEON, UYVYToUVRow_NEON, UYVYToUVRow_C, 2)
-#endif
-#undef UVANY
-
-#define UV422ANY(NAMEANY, ANYTOUV_SSE, ANYTOUV_C, BPP) \
- void NAMEANY(const uint8* src_argb, \
- uint8* dst_u, uint8* dst_v, int width) { \
- int n = width & ~15; \
- ANYTOUV_SSE(src_argb, dst_u, dst_v, n); \
- ANYTOUV_C(src_argb + n * BPP, \
- dst_u + (n >> 1), \
- dst_v + (n >> 1), \
- width & 15); \
- }
-
-#ifdef HAS_YUY2TOUV422ROW_SSE2
-UV422ANY(YUY2ToUV422Row_Any_SSE2, YUY2ToUV422Row_Unaligned_SSE2, \
- YUY2ToUV422Row_C, 2)
-UV422ANY(UYVYToUV422Row_Any_SSE2, UYVYToUV422Row_Unaligned_SSE2, \
- UYVYToUV422Row_C, 2)
-#endif
-#ifdef HAS_YUY2TOUV422ROW_NEON
-UV422ANY(YUY2ToUV422Row_Any_NEON, YUY2ToUV422Row_NEON, \
- YUY2ToUV422Row_C, 2)
-UV422ANY(UYVYToUV422Row_Any_NEON, UYVYToUV422Row_NEON, \
- UYVYToUV422Row_C, 2)
-#endif
-#undef UV422ANY
-
void ComputeCumulativeSumRow_C(const uint8* row, int32* cumsum,
const int32* previous_cumsum, int width) {
int32 row_sum[4] = {0, 0, 0, 0};
- for (int x = 0; x < width; ++x) {
+ int x;
+ for (x = 0; x < width; ++x) {
row_sum[0] += row[x * 4 + 0];
row_sum[1] += row[x * 4 + 1];
row_sum[2] += row[x * 4 + 2];
@@ -1157,59 +2110,35 @@ void ComputeCumulativeSumRow_C(const uint8* row, int32* cumsum,
}
}
-void CumulativeSumToAverage_C(const int32* tl, const int32* bl,
- int w, int area, uint8* dst, int count) {
+void CumulativeSumToAverageRow_C(const int32* tl, const int32* bl,
+ int w, int area, uint8* dst, int count) {
float ooa = 1.0f / area;
- for (int i = 0; i < count; ++i) {
- dst[0] = static_cast<uint8>((bl[w + 0] + tl[0] - bl[0] - tl[w + 0]) * ooa);
- dst[1] = static_cast<uint8>((bl[w + 1] + tl[1] - bl[1] - tl[w + 1]) * ooa);
- dst[2] = static_cast<uint8>((bl[w + 2] + tl[2] - bl[2] - tl[w + 2]) * ooa);
- dst[3] = static_cast<uint8>((bl[w + 3] + tl[3] - bl[3] - tl[w + 3]) * ooa);
+ int i;
+ for (i = 0; i < count; ++i) {
+ dst[0] = (uint8)((bl[w + 0] + tl[0] - bl[0] - tl[w + 0]) * ooa);
+ dst[1] = (uint8)((bl[w + 1] + tl[1] - bl[1] - tl[w + 1]) * ooa);
+ dst[2] = (uint8)((bl[w + 2] + tl[2] - bl[2] - tl[w + 2]) * ooa);
+ dst[3] = (uint8)((bl[w + 3] + tl[3] - bl[3] - tl[w + 3]) * ooa);
dst += 4;
tl += 4;
bl += 4;
}
}
-#define REPEAT8(v) (v) | ((v) << 8)
-#define SHADE(f, v) v * f >> 24
-
-void ARGBShadeRow_C(const uint8* src_argb, uint8* dst_argb, int width,
- uint32 value) {
- const uint32 b_scale = REPEAT8(value & 0xff);
- const uint32 g_scale = REPEAT8((value >> 8) & 0xff);
- const uint32 r_scale = REPEAT8((value >> 16) & 0xff);
- const uint32 a_scale = REPEAT8(value >> 24);
-
- for (int i = 0; i < width; ++i) {
- const uint32 b = REPEAT8(src_argb[0]);
- const uint32 g = REPEAT8(src_argb[1]);
- const uint32 r = REPEAT8(src_argb[2]);
- const uint32 a = REPEAT8(src_argb[3]);
- dst_argb[0] = SHADE(b, b_scale);
- dst_argb[1] = SHADE(g, g_scale);
- dst_argb[2] = SHADE(r, r_scale);
- dst_argb[3] = SHADE(a, a_scale);
- src_argb += 4;
- dst_argb += 4;
- }
-}
-#undef REPEAT8
-#undef SHADE
-
// Copy pixels from rotated source to destination row with a slope.
LIBYUV_API
void ARGBAffineRow_C(const uint8* src_argb, int src_argb_stride,
uint8* dst_argb, const float* uv_dudv, int width) {
+ int i;
// Render a row of pixels from source into a buffer.
float uv[2];
uv[0] = uv_dudv[0];
uv[1] = uv_dudv[1];
- for (int i = 0; i < width; ++i) {
- int x = static_cast<int>(uv[0]);
- int y = static_cast<int>(uv[1]);
- *reinterpret_cast<uint32*>(dst_argb) =
- *reinterpret_cast<const uint32*>(src_argb + y * src_argb_stride +
+ for (i = 0; i < width; ++i) {
+ int x = (int)(uv[0]);
+ int y = (int)(uv[1]);
+ *(uint32*)(dst_argb) =
+ *(const uint32*)(src_argb + y * src_argb_stride +
x * 4);
dst_argb += 4;
uv[0] += uv_dudv[2];
@@ -1217,29 +2146,481 @@ void ARGBAffineRow_C(const uint8* src_argb, int src_argb_stride,
}
}
+// Blend 2 rows into 1.
+static void HalfRow_C(const uint8* src_uv, ptrdiff_t src_uv_stride,
+ uint8* dst_uv, int width) {
+ int x;
+ for (x = 0; x < width; ++x) {
+ dst_uv[x] = (src_uv[x] + src_uv[src_uv_stride + x] + 1) >> 1;
+ }
+}
+
+static void HalfRow_16_C(const uint16* src_uv, ptrdiff_t src_uv_stride,
+ uint16* dst_uv, int width) {
+ int x;
+ for (x = 0; x < width; ++x) {
+ dst_uv[x] = (src_uv[x] + src_uv[src_uv_stride + x] + 1) >> 1;
+ }
+}
+
// C version 2x2 -> 2x1.
-void ARGBInterpolateRow_C(uint8* dst_ptr, const uint8* src_ptr,
- ptrdiff_t src_stride,
- int dst_width, int source_y_fraction) {
- int y1_fraction = source_y_fraction;
+void InterpolateRow_C(uint8* dst_ptr, const uint8* src_ptr,
+ ptrdiff_t src_stride,
+ int width, int source_y_fraction) {
+ int y1_fraction = source_y_fraction ;
int y0_fraction = 256 - y1_fraction;
const uint8* src_ptr1 = src_ptr + src_stride;
- uint8* end = dst_ptr + (dst_width << 2);
- do {
+ int x;
+ if (y1_fraction == 0) {
+ memcpy(dst_ptr, src_ptr, width);
+ return;
+ }
+ if (y1_fraction == 128) {
+ HalfRow_C(src_ptr, src_stride, dst_ptr, width);
+ return;
+ }
+ for (x = 0; x < width - 1; x += 2) {
+ dst_ptr[0] =
+ (src_ptr[0] * y0_fraction + src_ptr1[0] * y1_fraction + 128) >> 8;
+ dst_ptr[1] =
+ (src_ptr[1] * y0_fraction + src_ptr1[1] * y1_fraction + 128) >> 8;
+ src_ptr += 2;
+ src_ptr1 += 2;
+ dst_ptr += 2;
+ }
+ if (width & 1) {
+ dst_ptr[0] =
+ (src_ptr[0] * y0_fraction + src_ptr1[0] * y1_fraction + 128) >> 8;
+ }
+}
+
+void InterpolateRow_16_C(uint16* dst_ptr, const uint16* src_ptr,
+ ptrdiff_t src_stride,
+ int width, int source_y_fraction) {
+ int y1_fraction = source_y_fraction;
+ int y0_fraction = 256 - y1_fraction;
+ const uint16* src_ptr1 = src_ptr + src_stride;
+ int x;
+ if (source_y_fraction == 0) {
+ memcpy(dst_ptr, src_ptr, width * 2);
+ return;
+ }
+ if (source_y_fraction == 128) {
+ HalfRow_16_C(src_ptr, src_stride, dst_ptr, width);
+ return;
+ }
+ for (x = 0; x < width - 1; x += 2) {
dst_ptr[0] = (src_ptr[0] * y0_fraction + src_ptr1[0] * y1_fraction) >> 8;
dst_ptr[1] = (src_ptr[1] * y0_fraction + src_ptr1[1] * y1_fraction) >> 8;
- dst_ptr[2] = (src_ptr[2] * y0_fraction + src_ptr1[2] * y1_fraction) >> 8;
- dst_ptr[3] = (src_ptr[3] * y0_fraction + src_ptr1[3] * y1_fraction) >> 8;
- dst_ptr[4] = (src_ptr[4] * y0_fraction + src_ptr1[4] * y1_fraction) >> 8;
- dst_ptr[5] = (src_ptr[5] * y0_fraction + src_ptr1[5] * y1_fraction) >> 8;
- dst_ptr[6] = (src_ptr[6] * y0_fraction + src_ptr1[6] * y1_fraction) >> 8;
- dst_ptr[7] = (src_ptr[7] * y0_fraction + src_ptr1[7] * y1_fraction) >> 8;
- src_ptr += 8;
- src_ptr1 += 8;
- dst_ptr += 8;
- } while (dst_ptr < end);
+ src_ptr += 2;
+ src_ptr1 += 2;
+ dst_ptr += 2;
+ }
+ if (width & 1) {
+ dst_ptr[0] = (src_ptr[0] * y0_fraction + src_ptr1[0] * y1_fraction) >> 8;
+ }
+}
+
+// Use first 4 shuffler values to reorder ARGB channels.
+void ARGBShuffleRow_C(const uint8* src_argb, uint8* dst_argb,
+ const uint8* shuffler, int width) {
+ int index0 = shuffler[0];
+ int index1 = shuffler[1];
+ int index2 = shuffler[2];
+ int index3 = shuffler[3];
+ // Shuffle a row of ARGB.
+ int x;
+ for (x = 0; x < width; ++x) {
+ // To support in-place conversion.
+ uint8 b = src_argb[index0];
+ uint8 g = src_argb[index1];
+ uint8 r = src_argb[index2];
+ uint8 a = src_argb[index3];
+ dst_argb[0] = b;
+ dst_argb[1] = g;
+ dst_argb[2] = r;
+ dst_argb[3] = a;
+ src_argb += 4;
+ dst_argb += 4;
+ }
+}
+
+void I422ToYUY2Row_C(const uint8* src_y,
+ const uint8* src_u,
+ const uint8* src_v,
+ uint8* dst_frame, int width) {
+ int x;
+ for (x = 0; x < width - 1; x += 2) {
+ dst_frame[0] = src_y[0];
+ dst_frame[1] = src_u[0];
+ dst_frame[2] = src_y[1];
+ dst_frame[3] = src_v[0];
+ dst_frame += 4;
+ src_y += 2;
+ src_u += 1;
+ src_v += 1;
+ }
+ if (width & 1) {
+ dst_frame[0] = src_y[0];
+ dst_frame[1] = src_u[0];
+ dst_frame[2] = 0;
+ dst_frame[3] = src_v[0];
+ }
}
+void I422ToUYVYRow_C(const uint8* src_y,
+ const uint8* src_u,
+ const uint8* src_v,
+ uint8* dst_frame, int width) {
+ int x;
+ for (x = 0; x < width - 1; x += 2) {
+ dst_frame[0] = src_u[0];
+ dst_frame[1] = src_y[0];
+ dst_frame[2] = src_v[0];
+ dst_frame[3] = src_y[1];
+ dst_frame += 4;
+ src_y += 2;
+ src_u += 1;
+ src_v += 1;
+ }
+ if (width & 1) {
+ dst_frame[0] = src_u[0];
+ dst_frame[1] = src_y[0];
+ dst_frame[2] = src_v[0];
+ dst_frame[3] = 0;
+ }
+}
+
+
+void ARGBPolynomialRow_C(const uint8* src_argb,
+ uint8* dst_argb,
+ const float* poly,
+ int width) {
+ int i;
+ for (i = 0; i < width; ++i) {
+ float b = (float)(src_argb[0]);
+ float g = (float)(src_argb[1]);
+ float r = (float)(src_argb[2]);
+ float a = (float)(src_argb[3]);
+ float b2 = b * b;
+ float g2 = g * g;
+ float r2 = r * r;
+ float a2 = a * a;
+ float db = poly[0] + poly[4] * b;
+ float dg = poly[1] + poly[5] * g;
+ float dr = poly[2] + poly[6] * r;
+ float da = poly[3] + poly[7] * a;
+ float b3 = b2 * b;
+ float g3 = g2 * g;
+ float r3 = r2 * r;
+ float a3 = a2 * a;
+ db += poly[8] * b2;
+ dg += poly[9] * g2;
+ dr += poly[10] * r2;
+ da += poly[11] * a2;
+ db += poly[12] * b3;
+ dg += poly[13] * g3;
+ dr += poly[14] * r3;
+ da += poly[15] * a3;
+
+ dst_argb[0] = Clamp((int32)(db));
+ dst_argb[1] = Clamp((int32)(dg));
+ dst_argb[2] = Clamp((int32)(dr));
+ dst_argb[3] = Clamp((int32)(da));
+ src_argb += 4;
+ dst_argb += 4;
+ }
+}
+
+void ARGBLumaColorTableRow_C(const uint8* src_argb, uint8* dst_argb, int width,
+ const uint8* luma, uint32 lumacoeff) {
+ uint32 bc = lumacoeff & 0xff;
+ uint32 gc = (lumacoeff >> 8) & 0xff;
+ uint32 rc = (lumacoeff >> 16) & 0xff;
+
+ int i;
+ for (i = 0; i < width - 1; i += 2) {
+ // Luminance in rows, color values in columns.
+ const uint8* luma0 = ((src_argb[0] * bc + src_argb[1] * gc +
+ src_argb[2] * rc) & 0x7F00u) + luma;
+ const uint8* luma1;
+ dst_argb[0] = luma0[src_argb[0]];
+ dst_argb[1] = luma0[src_argb[1]];
+ dst_argb[2] = luma0[src_argb[2]];
+ dst_argb[3] = src_argb[3];
+ luma1 = ((src_argb[4] * bc + src_argb[5] * gc +
+ src_argb[6] * rc) & 0x7F00u) + luma;
+ dst_argb[4] = luma1[src_argb[4]];
+ dst_argb[5] = luma1[src_argb[5]];
+ dst_argb[6] = luma1[src_argb[6]];
+ dst_argb[7] = src_argb[7];
+ src_argb += 8;
+ dst_argb += 8;
+ }
+ if (width & 1) {
+ // Luminance in rows, color values in columns.
+ const uint8* luma0 = ((src_argb[0] * bc + src_argb[1] * gc +
+ src_argb[2] * rc) & 0x7F00u) + luma;
+ dst_argb[0] = luma0[src_argb[0]];
+ dst_argb[1] = luma0[src_argb[1]];
+ dst_argb[2] = luma0[src_argb[2]];
+ dst_argb[3] = src_argb[3];
+ }
+}
+
+void ARGBCopyAlphaRow_C(const uint8* src, uint8* dst, int width) {
+ int i;
+ for (i = 0; i < width - 1; i += 2) {
+ dst[3] = src[3];
+ dst[7] = src[7];
+ dst += 8;
+ src += 8;
+ }
+ if (width & 1) {
+ dst[3] = src[3];
+ }
+}
+
+void ARGBExtractAlphaRow_C(const uint8* src_argb, uint8* dst_a, int width) {
+ int i;
+ for (i = 0; i < width - 1; i += 2) {
+ dst_a[0] = src_argb[3];
+ dst_a[1] = src_argb[7];
+ dst_a += 2;
+ src_argb += 8;
+ }
+ if (width & 1) {
+ dst_a[0] = src_argb[3];
+ }
+}
+
+void ARGBCopyYToAlphaRow_C(const uint8* src, uint8* dst, int width) {
+ int i;
+ for (i = 0; i < width - 1; i += 2) {
+ dst[3] = src[0];
+ dst[7] = src[1];
+ dst += 8;
+ src += 2;
+ }
+ if (width & 1) {
+ dst[3] = src[0];
+ }
+}
+
+// Maximum temporary width for wrappers to process at a time, in pixels.
+#define MAXTWIDTH 2048
+
+#if !(defined(_MSC_VER) && defined(_M_IX86)) && \
+ defined(HAS_I422TORGB565ROW_SSSE3)
+// row_win.cc has asm version, but GCC uses 2 step wrapper.
+void I422ToRGB565Row_SSSE3(const uint8* src_y,
+ const uint8* src_u,
+ const uint8* src_v,
+ uint8* dst_rgb565,
+ const struct YuvConstants* yuvconstants,
+ int width) {
+ SIMD_ALIGNED(uint8 row[MAXTWIDTH * 4]);
+ while (width > 0) {
+ int twidth = width > MAXTWIDTH ? MAXTWIDTH : width;
+ I422ToARGBRow_SSSE3(src_y, src_u, src_v, row, yuvconstants, twidth);
+ ARGBToRGB565Row_SSE2(row, dst_rgb565, twidth);
+ src_y += twidth;
+ src_u += twidth / 2;
+ src_v += twidth / 2;
+ dst_rgb565 += twidth * 2;
+ width -= twidth;
+ }
+}
+#endif
+
+#if defined(HAS_I422TOARGB1555ROW_SSSE3)
+void I422ToARGB1555Row_SSSE3(const uint8* src_y,
+ const uint8* src_u,
+ const uint8* src_v,
+ uint8* dst_argb1555,
+ const struct YuvConstants* yuvconstants,
+ int width) {
+ // Row buffer for intermediate ARGB pixels.
+ SIMD_ALIGNED(uint8 row[MAXTWIDTH * 4]);
+ while (width > 0) {
+ int twidth = width > MAXTWIDTH ? MAXTWIDTH : width;
+ I422ToARGBRow_SSSE3(src_y, src_u, src_v, row, yuvconstants, twidth);
+ ARGBToARGB1555Row_SSE2(row, dst_argb1555, twidth);
+ src_y += twidth;
+ src_u += twidth / 2;
+ src_v += twidth / 2;
+ dst_argb1555 += twidth * 2;
+ width -= twidth;
+ }
+}
+#endif
+
+#if defined(HAS_I422TOARGB4444ROW_SSSE3)
+void I422ToARGB4444Row_SSSE3(const uint8* src_y,
+ const uint8* src_u,
+ const uint8* src_v,
+ uint8* dst_argb4444,
+ const struct YuvConstants* yuvconstants,
+ int width) {
+ // Row buffer for intermediate ARGB pixels.
+ SIMD_ALIGNED(uint8 row[MAXTWIDTH * 4]);
+ while (width > 0) {
+ int twidth = width > MAXTWIDTH ? MAXTWIDTH : width;
+ I422ToARGBRow_SSSE3(src_y, src_u, src_v, row, yuvconstants, twidth);
+ ARGBToARGB4444Row_SSE2(row, dst_argb4444, twidth);
+ src_y += twidth;
+ src_u += twidth / 2;
+ src_v += twidth / 2;
+ dst_argb4444 += twidth * 2;
+ width -= twidth;
+ }
+}
+#endif
+
+#if defined(HAS_NV12TORGB565ROW_SSSE3)
+void NV12ToRGB565Row_SSSE3(const uint8* src_y,
+ const uint8* src_uv,
+ uint8* dst_rgb565,
+ const struct YuvConstants* yuvconstants,
+ int width) {
+ // Row buffer for intermediate ARGB pixels.
+ SIMD_ALIGNED(uint8 row[MAXTWIDTH * 4]);
+ while (width > 0) {
+ int twidth = width > MAXTWIDTH ? MAXTWIDTH : width;
+ NV12ToARGBRow_SSSE3(src_y, src_uv, row, yuvconstants, twidth);
+ ARGBToRGB565Row_SSE2(row, dst_rgb565, twidth);
+ src_y += twidth;
+ src_uv += twidth;
+ dst_rgb565 += twidth * 2;
+ width -= twidth;
+ }
+}
+#endif
+
+#if defined(HAS_I422TORGB565ROW_AVX2)
+void I422ToRGB565Row_AVX2(const uint8* src_y,
+ const uint8* src_u,
+ const uint8* src_v,
+ uint8* dst_rgb565,
+ const struct YuvConstants* yuvconstants,
+ int width) {
+ SIMD_ALIGNED32(uint8 row[MAXTWIDTH * 4]);
+ while (width > 0) {
+ int twidth = width > MAXTWIDTH ? MAXTWIDTH : width;
+ I422ToARGBRow_AVX2(src_y, src_u, src_v, row, yuvconstants, twidth);
+#if defined(HAS_ARGBTORGB565ROW_AVX2)
+ ARGBToRGB565Row_AVX2(row, dst_rgb565, twidth);
+#else
+ ARGBToRGB565Row_SSE2(row, dst_rgb565, twidth);
+#endif
+ src_y += twidth;
+ src_u += twidth / 2;
+ src_v += twidth / 2;
+ dst_rgb565 += twidth * 2;
+ width -= twidth;
+ }
+}
+#endif
+
+#if defined(HAS_I422TOARGB1555ROW_AVX2)
+void I422ToARGB1555Row_AVX2(const uint8* src_y,
+ const uint8* src_u,
+ const uint8* src_v,
+ uint8* dst_argb1555,
+ const struct YuvConstants* yuvconstants,
+ int width) {
+ // Row buffer for intermediate ARGB pixels.
+ SIMD_ALIGNED32(uint8 row[MAXTWIDTH * 4]);
+ while (width > 0) {
+ int twidth = width > MAXTWIDTH ? MAXTWIDTH : width;
+ I422ToARGBRow_AVX2(src_y, src_u, src_v, row, yuvconstants, twidth);
+#if defined(HAS_ARGBTOARGB1555ROW_AVX2)
+ ARGBToARGB1555Row_AVX2(row, dst_argb1555, twidth);
+#else
+ ARGBToARGB1555Row_SSE2(row, dst_argb1555, twidth);
+#endif
+ src_y += twidth;
+ src_u += twidth / 2;
+ src_v += twidth / 2;
+ dst_argb1555 += twidth * 2;
+ width -= twidth;
+ }
+}
+#endif
+
+#if defined(HAS_I422TOARGB4444ROW_AVX2)
+void I422ToARGB4444Row_AVX2(const uint8* src_y,
+ const uint8* src_u,
+ const uint8* src_v,
+ uint8* dst_argb4444,
+ const struct YuvConstants* yuvconstants,
+ int width) {
+ // Row buffer for intermediate ARGB pixels.
+ SIMD_ALIGNED32(uint8 row[MAXTWIDTH * 4]);
+ while (width > 0) {
+ int twidth = width > MAXTWIDTH ? MAXTWIDTH : width;
+ I422ToARGBRow_AVX2(src_y, src_u, src_v, row, yuvconstants, twidth);
+#if defined(HAS_ARGBTOARGB4444ROW_AVX2)
+ ARGBToARGB4444Row_AVX2(row, dst_argb4444, twidth);
+#else
+ ARGBToARGB4444Row_SSE2(row, dst_argb4444, twidth);
+#endif
+ src_y += twidth;
+ src_u += twidth / 2;
+ src_v += twidth / 2;
+ dst_argb4444 += twidth * 2;
+ width -= twidth;
+ }
+}
+#endif
+
+#if defined(HAS_I422TORGB24ROW_AVX2)
+void I422ToRGB24Row_AVX2(const uint8* src_y,
+ const uint8* src_u,
+ const uint8* src_v,
+ uint8* dst_rgb24,
+ const struct YuvConstants* yuvconstants,
+ int width) {
+ // Row buffer for intermediate ARGB pixels.
+ SIMD_ALIGNED32(uint8 row[MAXTWIDTH * 4]);
+ while (width > 0) {
+ int twidth = width > MAXTWIDTH ? MAXTWIDTH : width;
+ I422ToARGBRow_AVX2(src_y, src_u, src_v, row, yuvconstants, twidth);
+ // TODO(fbarchard): ARGBToRGB24Row_AVX2
+ ARGBToRGB24Row_SSSE3(row, dst_rgb24, twidth);
+ src_y += twidth;
+ src_u += twidth / 2;
+ src_v += twidth / 2;
+ dst_rgb24 += twidth * 3;
+ width -= twidth;
+ }
+}
+#endif
+
+#if defined(HAS_NV12TORGB565ROW_AVX2)
+void NV12ToRGB565Row_AVX2(const uint8* src_y,
+ const uint8* src_uv,
+ uint8* dst_rgb565,
+ const struct YuvConstants* yuvconstants,
+ int width) {
+ // Row buffer for intermediate ARGB pixels.
+ SIMD_ALIGNED32(uint8 row[MAXTWIDTH * 4]);
+ while (width > 0) {
+ int twidth = width > MAXTWIDTH ? MAXTWIDTH : width;
+ NV12ToARGBRow_AVX2(src_y, src_uv, row, yuvconstants, twidth);
+#if defined(HAS_ARGBTORGB565ROW_AVX2)
+ ARGBToRGB565Row_AVX2(row, dst_rgb565, twidth);
+#else
+ ARGBToRGB565Row_SSE2(row, dst_rgb565, twidth);
+#endif
+ src_y += twidth;
+ src_uv += twidth;
+ dst_rgb565 += twidth * 2;
+ width -= twidth;
+ }
+}
+#endif
+
#ifdef __cplusplus
} // extern "C"
} // namespace libyuv
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-14 14:37:20 +0000