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Add NV12 cropping unittest to confirm behavior.

Browse Source 
BUG=344
TESTED=libyuv_unittest --gtest_filter=*CropNV12
R=tpsiaki@google.com

Review URL: https://webrtc-codereview.appspot.com/16939004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1036 16f28f9a-4ce2-e073-06de-1de4eb20be90
This commit is contained in:
fbarchard@google.com 2014-07-18 18:18:35 +00:00
parent 451a7541b7
commit 74ce999a9a
1 changed files with 125 additions and 7 deletions
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132
unit_test/convert_test.cc
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@ -24,6 +24,7 @@
#include "libyuv/planar_functions.h"
#include "libyuv/rotate.h"
#include "libyuv/row.h"
#include "libyuv/video_common.h"
#include "../unit_test/unit_test.h"
#if defined(_MSC_VER)
@ -811,13 +812,13 @@ TEST_F(libyuvTest, FMT_A##To##FMT_PLANAR##N) { \
#define TESTATOBIPLANAR(FMT_A, BPP_A, FMT_PLANAR, SUBSAMP_X, SUBSAMP_Y) \
TESTATOBIPLANARI(FMT_A, BPP_A, FMT_PLANAR, SUBSAMP_X, SUBSAMP_Y, \
benchmark_width_ - 4, _Any, +, 0) \
benchmark_width_ - 4, _Any, +, 0) \
TESTATOBIPLANARI(FMT_A, BPP_A, FMT_PLANAR, SUBSAMP_X, SUBSAMP_Y, \
benchmark_width_, _Unaligned, +, 1) \
benchmark_width_, _Unaligned, +, 1) \
TESTATOBIPLANARI(FMT_A, BPP_A, FMT_PLANAR, SUBSAMP_X, SUBSAMP_Y, \
benchmark_width_, _Invert, -, 0) \
benchmark_width_, _Invert, -, 0) \
TESTATOBIPLANARI(FMT_A, BPP_A, FMT_PLANAR, SUBSAMP_X, SUBSAMP_Y, \
benchmark_width_, _Opt, +, 0)
benchmark_width_, _Opt, +, 0)
TESTATOBIPLANAR(ARGB, 4, NV12, 2, 2)
TESTATOBIPLANAR(ARGB, 4, NV21, 2, 2)
@ -1008,11 +1009,11 @@ TEST_F(libyuvTest, FMT_ATOB##_Symetric##N) { \
#define TESTSYM(FMT_ATOB, BPP_A, STRIDE_A, HEIGHT_A) \
TESTSYMI(FMT_ATOB, BPP_A, STRIDE_A, HEIGHT_A, \
benchmark_width_ - 4, _Any, +, 0) \
benchmark_width_ - 4, _Any, +, 0) \
TESTSYMI(FMT_ATOB, BPP_A, STRIDE_A, HEIGHT_A, \
benchmark_width_, _Unaligned, +, 1) \
benchmark_width_, _Unaligned, +, 1) \
TESTSYMI(FMT_ATOB, BPP_A, STRIDE_A, HEIGHT_A, \
benchmark_width_, _Opt, +, 0)
benchmark_width_, _Opt, +, 0)
TESTSYM(ARGBToARGB, 4, 4, 1)
TESTSYM(ARGBToBGRA, 4, 4, 1)
@ -1156,4 +1157,121 @@ TEST_F(libyuvTest, MJPGToARGB) {
#endif // HAVE_JPEG
TEST_F(libyuvTest, CropNV12) {
const int SUBSAMP_X = 2;
const int SUBSAMP_Y = 2;
const int kWidth = benchmark_width_;
const int kHeight = benchmark_height_;
const int crop_y =
(benchmark_height_ - (benchmark_height_ * 360 / 480)) / 2;
const int kDestWidth = benchmark_width_;
const int kDestHeight = benchmark_height_ - crop_y * 2;;
const int sample_size = kWidth * kHeight +
SUBSAMPLE(kWidth, SUBSAMP_X) *
SUBSAMPLE(kHeight, SUBSAMP_Y) * 2;
align_buffer_64(src_y, sample_size);
uint8* src_uv = src_y + kWidth * kHeight;
align_buffer_64(dst_y, kDestWidth * kDestHeight);
align_buffer_64(dst_u,
SUBSAMPLE(kDestWidth, SUBSAMP_X) *
SUBSAMPLE(kDestHeight, SUBSAMP_Y));
align_buffer_64(dst_v,
SUBSAMPLE(kDestWidth, SUBSAMP_X) *
SUBSAMPLE(kDestHeight, SUBSAMP_Y));
align_buffer_64(dst_y_2, kDestWidth * kDestHeight);
align_buffer_64(dst_u_2,
SUBSAMPLE(kDestWidth, SUBSAMP_X) *
SUBSAMPLE(kDestHeight, SUBSAMP_Y));
align_buffer_64(dst_v_2,
SUBSAMPLE(kDestWidth, SUBSAMP_X) *
SUBSAMPLE(kDestHeight, SUBSAMP_Y));
srandom(time(NULL));
for (int i = 0; i < kHeight; ++i)
for (int j = 0; j < kWidth; ++j)
src_y[(i * kWidth) + j] = (random() & 0xff);
for (int i = 0; i < SUBSAMPLE(kHeight, SUBSAMP_X); ++i) {
for (int j = 0; j < SUBSAMPLE(kWidth, SUBSAMP_X); ++j) {
src_uv[(i * SUBSAMPLE(kWidth, SUBSAMP_X)) + j * 2 + 0] =
(random() & 0xff);
src_uv[(i * SUBSAMPLE(kWidth, SUBSAMP_X)) + j * 2 + 1] =
(random() & 0xff);
}
}
memset(dst_y, 1, kDestWidth * kDestHeight);
memset(dst_u, 2, SUBSAMPLE(kDestWidth, SUBSAMP_X) *
SUBSAMPLE(kDestHeight, SUBSAMP_Y));
memset(dst_v, 3, SUBSAMPLE(kDestWidth, SUBSAMP_X) *
SUBSAMPLE(kDestHeight, SUBSAMP_Y));
memset(dst_y_2, 1, kDestWidth * kDestHeight);
memset(dst_u_2, 2, SUBSAMPLE(kDestWidth, SUBSAMP_X) *
SUBSAMPLE(kDestHeight, SUBSAMP_Y));
memset(dst_v_2, 3, SUBSAMPLE(kDestWidth, SUBSAMP_X) *
SUBSAMPLE(kDestHeight, SUBSAMP_Y));
NV12ToI420(src_y + crop_y * kWidth, kWidth,
src_uv + (crop_y / 2) * kWidth, kWidth,
dst_y, kDestWidth,
dst_u, SUBSAMPLE(kDestWidth, SUBSAMP_X),
dst_v, SUBSAMPLE(kDestWidth, SUBSAMP_X),
kDestWidth, kDestHeight);
ConvertToI420(src_y, sample_size,
dst_y_2, kDestWidth,
dst_u_2, SUBSAMPLE(kDestWidth, SUBSAMP_X),
dst_v_2, SUBSAMPLE(kDestWidth, SUBSAMP_X),
0, crop_y,
kWidth, kHeight,
kDestWidth, kDestHeight,
libyuv::kRotate0, libyuv::FOURCC_NV12);
int max_diff = 0;
for (int i = 0; i < kDestHeight; ++i) {
for (int j = 0; j < kDestWidth; ++j) {
int abs_diff =
abs(static_cast<int>(dst_y[i * kWidth + j]) -
static_cast<int>(dst_y_2[i * kWidth + j]));
if (abs_diff > max_diff) {
max_diff = abs_diff;
}
}
}
EXPECT_LE(max_diff, 0);
for (int i = 0; i < SUBSAMPLE(kDestHeight, SUBSAMP_Y); ++i) {
for (int j = 0; j < SUBSAMPLE(kDestWidth, SUBSAMP_X); ++j) {
int abs_diff =
abs(static_cast<int>(dst_u[i *
SUBSAMPLE(kDestWidth, SUBSAMP_X) + j]) -
static_cast<int>(dst_u_2[i *
SUBSAMPLE(kDestWidth, SUBSAMP_X) + j]));
if (abs_diff > max_diff) {
max_diff = abs_diff;
}
}
}
EXPECT_LE(max_diff, 0);
for (int i = 0; i < SUBSAMPLE(kDestHeight, SUBSAMP_Y); ++i) {
for (int j = 0; j < SUBSAMPLE(kDestWidth, SUBSAMP_X); ++j) {
int abs_diff =
abs(static_cast<int>(dst_v[i *
SUBSAMPLE(kDestWidth, SUBSAMP_X) + j]) -
static_cast<int>(dst_v_2[i *
SUBSAMPLE(kDestWidth, SUBSAMP_X) + j]));
if (abs_diff > max_diff) {
max_diff = abs_diff;
}
}
}
EXPECT_LE(max_diff, 0);
free_aligned_buffer_64(dst_y);
free_aligned_buffer_64(dst_u);
free_aligned_buffer_64(dst_v);
free_aligned_buffer_64(dst_y_2);
free_aligned_buffer_64(dst_u_2);
free_aligned_buffer_64(dst_v_2);
free_aligned_buffer_64(src_y);
}
} // namespace libyuv