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/*
* Copyright (c) 2017 The WebM project authors. All Rights Reserved.
*
* 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
* be found in the AUTHORS file in the root of the source tree.
*/
#include <assert.h>
#include <stdio.h>
#include <string.h>
#include "third_party/googletest/src/include/gtest/gtest.h"
#include "./vp9_rtcd.h"
#include "./vpx_config.h"
#include "./vpx_scale_rtcd.h"
#include "test/clear_system_state.h"
#include "test/register_state_check.h"
#include "test/vpx_scale_test.h"
#include "vpx_mem/vpx_mem.h"
#include "vpx_ports/vpx_timer.h"
#include "vpx_scale/yv12config.h"
namespace libvpx_test {
typedef void (*ScaleFrameFunc)(const YV12_BUFFER_CONFIG *src,
YV12_BUFFER_CONFIG *dst,
INTERP_FILTER filter_type, int phase_scaler);
class ScaleTest : public VpxScaleBase,
public ::testing::TestWithParam<ScaleFrameFunc> {
public:
virtual ~ScaleTest() {}
protected:
virtual void SetUp() { scale_fn_ = GetParam(); }
void ReferenceScaleFrame(INTERP_FILTER filter_type, int phase_scaler) {
vp9_scale_and_extend_frame_c(&img_, &ref_img_, filter_type, phase_scaler);
}
void ScaleFrame(INTERP_FILTER filter_type, int phase_scaler) {
ASM_REGISTER_STATE_CHECK(
scale_fn_(&img_, &dst_img_, filter_type, phase_scaler));
}
void RunTest(INTERP_FILTER filter_type) {
static const int kNumSizesToTest = 20;
static const int kNumScaleFactorsToTest = 4;
static const int kSizesToTest[] = {
2, 4, 6, 8, 10, 12, 14, 16, 18, 20,
22, 24, 26, 28, 30, 32, 34, 68, 128, 134
};
static const int kScaleFactors[] = { 1, 2, 3, 4 };
for (int phase_scaler = 0; phase_scaler < 16; ++phase_scaler) {
for (int h = 0; h < kNumSizesToTest; ++h) {
const int src_height = kSizesToTest[h];
for (int w = 0; w < kNumSizesToTest; ++w) {
const int src_width = kSizesToTest[w];
for (int sf_up_idx = 0; sf_up_idx < kNumScaleFactorsToTest;
++sf_up_idx) {
const int sf_up = kScaleFactors[sf_up_idx];
for (int sf_down_idx = 0; sf_down_idx < kNumScaleFactorsToTest;
++sf_down_idx) {
const int sf_down = kScaleFactors[sf_down_idx];
const int dst_width = src_width * sf_up / sf_down;
const int dst_height = src_height * sf_up / sf_down;
if (sf_up == sf_down && sf_up != 1) {
continue;
}
// I420 frame width and height must be even.
if (!dst_width || !dst_height || dst_width & 1 ||
dst_height & 1) {
continue;
}
// vpx_convolve8_c() has restriction on the step which cannot
// exceed 64 (ratio 1 to 4).
if (src_width > 4 * dst_width || src_height > 4 * dst_height) {
continue;
}
ASSERT_NO_FATAL_FAILURE(ResetScaleImages(src_width, src_height,
dst_width, dst_height));
ReferenceScaleFrame(filter_type, phase_scaler);
ScaleFrame(filter_type, phase_scaler);
if (memcmp(dst_img_.buffer_alloc, ref_img_.buffer_alloc,
ref_img_.frame_size)) {
printf(
"filter_type = %d, phase_scaler = %d, src_width = %4d, "
"src_height = %4d, dst_width = %4d, dst_height = %4d, "
"scale factor = %d:%d\n",
filter_type, phase_scaler, src_width, src_height, dst_width,
dst_height, sf_down, sf_up);
PrintDiff();
}
CompareImages(dst_img_);
DeallocScaleImages();
}
}
}
}
}
}
void PrintDiffComponent(const uint8_t *const ref, const uint8_t *const opt,
const int stride, const int width, const int height,
const int plane_idx) const {
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++) {
if (ref[y * stride + x] != opt[y * stride + x]) {
printf("Plane %d pixel[%d][%d] diff:%6d (ref),%6d (opt)\n", plane_idx,
y, x, ref[y * stride + x], opt[y * stride + x]);
break;
}
}
}
}
void PrintDiff() const {
assert(ref_img_.y_stride == dst_img_.y_stride);
assert(ref_img_.y_width == dst_img_.y_width);
assert(ref_img_.y_height == dst_img_.y_height);
assert(ref_img_.uv_stride == dst_img_.uv_stride);
assert(ref_img_.uv_width == dst_img_.uv_width);
assert(ref_img_.uv_height == dst_img_.uv_height);
if (memcmp(dst_img_.buffer_alloc, ref_img_.buffer_alloc,
ref_img_.frame_size)) {
PrintDiffComponent(ref_img_.y_buffer, dst_img_.y_buffer,
ref_img_.y_stride, ref_img_.y_width, ref_img_.y_height,
0);
PrintDiffComponent(ref_img_.u_buffer, dst_img_.u_buffer,
ref_img_.uv_stride, ref_img_.uv_width,
ref_img_.uv_height, 1);
PrintDiffComponent(ref_img_.v_buffer, dst_img_.v_buffer,
ref_img_.uv_stride, ref_img_.uv_width,
ref_img_.uv_height, 2);
}
}
ScaleFrameFunc scale_fn_;
};
TEST_P(ScaleTest, ScaleFrame_EightTap) { RunTest(EIGHTTAP); }
TEST_P(ScaleTest, ScaleFrame_EightTapSmooth) { RunTest(EIGHTTAP_SMOOTH); }
TEST_P(ScaleTest, ScaleFrame_EightTapSharp) { RunTest(EIGHTTAP_SHARP); }
TEST_P(ScaleTest, ScaleFrame_Bilinear) { RunTest(BILINEAR); }
TEST_P(ScaleTest, DISABLED_Speed) {
static const int kCountSpeedTestBlock = 100;
static const int kNumScaleFactorsToTest = 4;
static const int kScaleFactors[] = { 1, 2, 3, 4 };
const int src_width = 1280;
const int src_height = 720;
for (INTERP_FILTER filter_type = 2; filter_type < 4; ++filter_type) {
for (int phase_scaler = 0; phase_scaler < 2; ++phase_scaler) {
for (int sf_up_idx = 0; sf_up_idx < kNumScaleFactorsToTest; ++sf_up_idx) {
const int sf_up = kScaleFactors[sf_up_idx];
for (int sf_down_idx = 0; sf_down_idx < kNumScaleFactorsToTest;
++sf_down_idx) {
const int sf_down = kScaleFactors[sf_down_idx];
const int dst_width = src_width * sf_up / sf_down;
const int dst_height = src_height * sf_up / sf_down;
if (sf_up == sf_down && sf_up != 1) {
continue;
}
// I420 frame width and height must be even.
if (dst_width & 1 || dst_height & 1) {
continue;
}
ASSERT_NO_FATAL_FAILURE(
ResetScaleImages(src_width, src_height, dst_width, dst_height));
ASM_REGISTER_STATE_CHECK(
ReferenceScaleFrame(filter_type, phase_scaler));
vpx_usec_timer timer;
vpx_usec_timer_start(&timer);
for (int i = 0; i < kCountSpeedTestBlock; ++i) {
ScaleFrame(filter_type, phase_scaler);
}
libvpx_test::ClearSystemState();
vpx_usec_timer_mark(&timer);
const int elapsed_time =
static_cast<int>(vpx_usec_timer_elapsed(&timer) / 1000);
CompareImages(dst_img_);
DeallocScaleImages();
printf(
"filter_type = %d, phase_scaler = %d, src_width = %4d, "
"src_height = %4d, dst_width = %4d, dst_height = %4d, "
"scale factor = %d:%d, scale time: %5d ms\n",
filter_type, phase_scaler, src_width, src_height, dst_width,
dst_height, sf_down, sf_up, elapsed_time);
}
}
}
}
}
INSTANTIATE_TEST_SUITE_P(C, ScaleTest,
::testing::Values(vp9_scale_and_extend_frame_c));
#if HAVE_SSSE3
INSTANTIATE_TEST_SUITE_P(SSSE3, ScaleTest,
::testing::Values(vp9_scale_and_extend_frame_ssse3));
#endif // HAVE_SSSE3
#if HAVE_NEON
INSTANTIATE_TEST_SUITE_P(NEON, ScaleTest,
::testing::Values(vp9_scale_and_extend_frame_neon));
#endif // HAVE_NEON
} // namespace libvpx_test
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