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Fix YToARGB and tweaks to thresholds in YUV tests.

Browse Source 
BUG=411
TESTED=libyuvTest.TestYToARGB
R=bcornell@google.com

Review URL: https://webrtc-codereview.appspot.com/44709004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1330 16f28f9a-4ce2-e073-06de-1de4eb20be90
This commit is contained in:
fbarchard@google.com 2015-03-16 19:50:33 +00:00
parent bfba8e41c4
commit f301777060
4 changed files with 85 additions and 25 deletions
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2
README.chromium
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@ -1,6 +1,6 @@
Name: libyuv
URL: http://code.google.com/p/libyuv/
Version: 1325
Version: 1330
License: BSD
License File: LICENSE

2
include/libyuv/version.h
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@ -11,6 +11,6 @@
#ifndef INCLUDE_LIBYUV_VERSION_H_ // NOLINT
#define INCLUDE_LIBYUV_VERSION_H_
#define LIBYUV_VERSION 1325
#define LIBYUV_VERSION 1330
#endif // INCLUDE_LIBYUV_VERSION_H_ NOLINT

6
source/row_common.cc
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@ -1027,9 +1027,9 @@ static __inline void YuvPixel(uint8 y, uint8 u, uint8 v,
// 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);
*b = Clamp((int32)(y1 + YGB) >> 6);
*g = Clamp((int32)(y1 + YGB) >> 6);
*r = Clamp((int32)(y1 + YGB) >> 6);
}
#undef YG

100
unit_test/color_test.cc
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@ -23,13 +23,11 @@ namespace libyuv {
// TODO(fbarchard): Port high accuracy YUV to RGB to Neon.
#if !defined(LIBYUV_DISABLE_NEON) && \
(defined(__aarch64__) || defined(__ARM_NEON__) || defined(LIBYUV_NEON))
#define MAX_CDIFF 0
#define ERROR_R 1
#define ERROR_G 1
#define ERROR_B 3
#define ERROR_FULL 6
#else
#define MAX_CDIFF 0
#define ERROR_R 1
#define ERROR_G 1
#define ERROR_B 3
@ -131,12 +129,10 @@ TEST_F(libyuvTest, TESTNAME) { \
free_aligned_buffer_64(dst_pixels_c); \
} \
// TODO(fbarchard): Reduce C to Opt diff to 0.
TESTCS(TestI420, I420ToARGB, ARGBToI420, 1, 2, benchmark_width_,
ERROR_FULL, MAX_CDIFF)
TESTCS(TestI422, I422ToARGB, ARGBToI422, 0, 1, 0, ERROR_FULL, MAX_CDIFF)
TESTCS(TestJ420, J420ToARGB, ARGBToJ420, 1, 2, benchmark_width_, 1, 0)
TESTCS(TestJ422, J422ToARGB, ARGBToJ422, 0, 1, 0, 1, 0)
TESTCS(TestI420, I420ToARGB, ARGBToI420, 1, 2, benchmark_width_, ERROR_FULL, 0)
TESTCS(TestI422, I422ToARGB, ARGBToI422, 0, 1, 0, ERROR_FULL, 0)
TESTCS(TestJ420, J420ToARGB, ARGBToJ420, 1, 2, benchmark_width_, 3, 0)
TESTCS(TestJ422, J422ToARGB, ARGBToJ422, 0, 1, 0, 3, 0)
static void YUVToRGB(int y, int u, int v, int* r, int* g, int* b) {
const int kWidth = 16;
@ -147,7 +143,7 @@ static void YUVToRGB(int y, int u, int v, int* r, int* g, int* b) {
SIMD_ALIGNED(uint8 orig_y[16]);
SIMD_ALIGNED(uint8 orig_u[8]);
SIMD_ALIGNED(uint8 orig_v[8]);
SIMD_ALIGNED(uint8 orig_pixels[16 * 1 * 4]);
SIMD_ALIGNED(uint8 orig_pixels[16 * 4]);
memset(orig_y, y, kPixels);
memset(orig_u, u, kHalfPixels);
memset(orig_v, v, kHalfPixels);
@ -173,7 +169,7 @@ static void YUVJToRGB(int y, int u, int v, int* r, int* g, int* b) {
SIMD_ALIGNED(uint8 orig_y[16]);
SIMD_ALIGNED(uint8 orig_u[8]);
SIMD_ALIGNED(uint8 orig_v[8]);
SIMD_ALIGNED(uint8 orig_pixels[16 * 1 * 4]);
SIMD_ALIGNED(uint8 orig_pixels[16 * 4]);
memset(orig_y, y, kPixels);
memset(orig_u, u, kHalfPixels);
memset(orig_v, v, kHalfPixels);
@ -196,13 +192,28 @@ static void YToRGB(int y, int* r, int* g, int* b) {
const int kPixels = kWidth * kHeight;
SIMD_ALIGNED(uint8 orig_y[16]);
SIMD_ALIGNED(uint8 orig_pixels[16 * 1 * 4]);
SIMD_ALIGNED(uint8 orig_pixels[16 * 4]);
memset(orig_y, y, kPixels);
/* YUV converted to ARGB. */
YToARGB(orig_y, kWidth,
orig_pixels, kWidth * 4,
kWidth, kHeight);
YToARGB(orig_y, kWidth, orig_pixels, kWidth * 4, kWidth, kHeight);
*b = orig_pixels[0];
*g = orig_pixels[1];
*r = orig_pixels[2];
}
static void YJToRGB(int y, int* r, int* g, int* b) {
const int kWidth = 16;
const int kHeight = 1;
const int kPixels = kWidth * kHeight;
SIMD_ALIGNED(uint8 orig_y[16]);
SIMD_ALIGNED(uint8 orig_pixels[16 * 4]);
memset(orig_y, y, kPixels);
/* YUV converted to ARGB. */
I400ToARGB(orig_y, kWidth, orig_pixels, kWidth * 4, kWidth, kHeight);
*b = orig_pixels[0];
*g = orig_pixels[1];
@ -211,15 +222,15 @@ static void YToRGB(int y, int* r, int* g, int* b) {
// Pick a method for clamping.
#define CLAMPMETHOD_IF 1
//#define CLAMPMETHOD_TABLE 1
//#define CLAMPMETHOD_TERNARY 1
//#define CLAMPMETHOD_MASK 1
// #define CLAMPMETHOD_TABLE 1
// #define CLAMPMETHOD_TERNARY 1
// #define CLAMPMETHOD_MASK 1
// Pick a method for rounding.
#define ROUND(f) static_cast<int>(f + 0.5)
//#define ROUND(f) lrintf(f)
//#define ROUND(f) static_cast<int>(round(f))
//#define ROUND(f) _mm_cvt_ss2si(_mm_load_ss(&f))
// #define ROUND(f) lrintf(f)
// #define ROUND(f) static_cast<int>(round(f))
// #define ROUND(f) _mm_cvt_ss2si(_mm_load_ss(&f))
#if defined(CLAMPMETHOD_IF)
static int RoundToByte(float f) {
@ -516,4 +527,53 @@ TEST_F(libyuvTest, TestFullYUVJ) {
printf("\n");
}
TEST_F(libyuvTest, TestGreyYUVJ) {
int r0, g0, b0, r1, g1, b1, r2, g2, b2;
// black
YUVJToRGBReference(0, 128, 128, &r0, &g0, &b0);
EXPECT_EQ(0, r0);
EXPECT_EQ(0, g0);
EXPECT_EQ(0, b0);
YUVJToRGB(0, 128, 128, &r1, &g1, &b1);
EXPECT_EQ(0, r1);
EXPECT_EQ(0, g1);
EXPECT_EQ(0, b1);
// white
YUVJToRGBReference(255, 128, 128, &r0, &g0, &b0);
EXPECT_EQ(255, r0);
EXPECT_EQ(255, g0);
EXPECT_EQ(255, b0);
YUVJToRGB(255, 128, 128, &r1, &g1, &b1);
EXPECT_EQ(255, r1);
EXPECT_EQ(255, g1);
EXPECT_EQ(255, b1);
// grey
YUVJToRGBReference(128, 128, 128, &r0, &g0, &b0);
EXPECT_EQ(128, r0);
EXPECT_EQ(128, g0);
EXPECT_EQ(128, b0);
YUVJToRGB(128, 128, 128, &r1, &g1, &b1);
EXPECT_EQ(128, r1);
EXPECT_EQ(128, g1);
EXPECT_EQ(128, b1);
for (int y = 0; y < 256; ++y) {
YUVJToRGBReference(y, 128, 128, &r0, &g0, &b0);
YUVJToRGB(y, 128, 128, &r1, &g1, &b1);
YJToRGB(y, &r2, &g2, &b2);
EXPECT_EQ(r0, r1);
EXPECT_EQ(g0, g1);
EXPECT_EQ(b0, b1);
EXPECT_EQ(r0, r2);
EXPECT_EQ(g0, g2);
EXPECT_EQ(b0, b2);
}
}
} // namespace libyuv