]> granicus.if.org Git - libvpx/blob - test/vp9_subtract_test.cc
Merge "Move subtract functions from vp9 to vpx_dsp"
[libvpx] / test / vp9_subtract_test.cc
1 /*
2  *  Copyright (c) 2012 The WebM project authors. All Rights Reserved.
3  *
4  *  Use of this source code is governed by a BSD-style license
5  *  that can be found in the LICENSE file in the root of the source
6  *  tree. An additional intellectual property rights grant can be found
7  *  in the file PATENTS.  All contributing project authors may
8  *  be found in the AUTHORS file in the root of the source tree.
9  */
10
11 #include "third_party/googletest/src/include/gtest/gtest.h"
12 #include "test/acm_random.h"
13 #include "test/clear_system_state.h"
14 #include "test/register_state_check.h"
15 #include "./vpx_config.h"
16 #include "./vp9_rtcd.h"
17 #include "./vpx_dsp_rtcd.h"
18 #include "vp9/common/vp9_blockd.h"
19 #include "vpx_mem/vpx_mem.h"
20
21 typedef void (*SubtractFunc)(int rows, int cols,
22                              int16_t *diff_ptr, ptrdiff_t diff_stride,
23                              const uint8_t *src_ptr, ptrdiff_t src_stride,
24                              const uint8_t *pred_ptr, ptrdiff_t pred_stride);
25
26 namespace vp9 {
27
28 class VP9SubtractBlockTest : public ::testing::TestWithParam<SubtractFunc> {
29  public:
30   virtual void TearDown() {
31     libvpx_test::ClearSystemState();
32   }
33 };
34
35 using libvpx_test::ACMRandom;
36
37 TEST_P(VP9SubtractBlockTest, SimpleSubtract) {
38   ACMRandom rnd(ACMRandom::DeterministicSeed());
39
40   // FIXME(rbultje) split in its own file
41   for (BLOCK_SIZE bsize = BLOCK_4X4; bsize < BLOCK_SIZES;
42        bsize = static_cast<BLOCK_SIZE>(static_cast<int>(bsize) + 1)) {
43     const int block_width = 4 * num_4x4_blocks_wide_lookup[bsize];
44     const int block_height = 4 * num_4x4_blocks_high_lookup[bsize];
45     int16_t *diff = reinterpret_cast<int16_t *>(
46         vpx_memalign(16, sizeof(*diff) * block_width * block_height * 2));
47     uint8_t *pred = reinterpret_cast<uint8_t *>(
48         vpx_memalign(16, block_width * block_height * 2));
49     uint8_t *src  = reinterpret_cast<uint8_t *>(
50         vpx_memalign(16, block_width * block_height * 2));
51
52     for (int n = 0; n < 100; n++) {
53       for (int r = 0; r < block_height; ++r) {
54         for (int c = 0; c < block_width * 2; ++c) {
55           src[r * block_width * 2 + c] = rnd.Rand8();
56           pred[r * block_width * 2 + c] = rnd.Rand8();
57         }
58       }
59
60       GetParam()(block_height, block_width, diff, block_width,
61                  src, block_width, pred, block_width);
62
63       for (int r = 0; r < block_height; ++r) {
64         for (int c = 0; c < block_width; ++c) {
65           EXPECT_EQ(diff[r * block_width + c],
66                     (src[r * block_width + c] -
67                      pred[r * block_width + c])) << "r = " << r
68                                                  << ", c = " << c
69                                                  << ", bs = " << bsize;
70         }
71       }
72
73       GetParam()(block_height, block_width, diff, block_width * 2,
74                  src, block_width * 2, pred, block_width * 2);
75
76       for (int r = 0; r < block_height; ++r) {
77         for (int c = 0; c < block_width; ++c) {
78           EXPECT_EQ(diff[r * block_width * 2 + c],
79                     (src[r * block_width * 2 + c] -
80                      pred[r * block_width * 2 + c])) << "r = " << r
81                                                      << ", c = " << c
82                                                      << ", bs = " << bsize;
83         }
84       }
85     }
86     vpx_free(diff);
87     vpx_free(pred);
88     vpx_free(src);
89   }
90 }
91
92 INSTANTIATE_TEST_CASE_P(C, VP9SubtractBlockTest,
93                         ::testing::Values(vpx_subtract_block_c));
94
95 #if HAVE_SSE2 && CONFIG_USE_X86INC
96 INSTANTIATE_TEST_CASE_P(SSE2, VP9SubtractBlockTest,
97                         ::testing::Values(vpx_subtract_block_sse2));
98 #endif
99 #if HAVE_NEON
100 INSTANTIATE_TEST_CASE_P(NEON, VP9SubtractBlockTest,
101                         ::testing::Values(vpx_subtract_block_neon));
102 #endif
103
104 }  // namespace vp9