1 /*
2 * Copyright (c) 2016, Alliance for Open Media. All rights reserved.
3 *
4 * This source code is subject to the terms of the BSD 2 Clause License and
5 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
6 * was not distributed with this source code in the LICENSE file, you can
7 * obtain it at www.aomedia.org/license/software. If the Alliance for Open
8 * Media Patent License 1.0 was not distributed with this source code in the
9 * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
10 */
11
12 #include <assert.h>
13 #include <string>
14 #include <vector>
15 #include "gtest/gtest.h"
16 #include "test/codec_factory.h"
17 #include "test/encode_test_driver.h"
18 #include "test/i420_video_source.h"
19 #include "test/md5_helper.h"
20 #include "test/util.h"
21
22 namespace {
23 // The number of frames to be encoded/decoded
24 const int kLimit = 8;
25 // Skip 1 frame to check the frame decoding independency.
26 const int kSkip = 5;
27 const int kTileSize = 1;
28 const int kTIleSizeInPixels = (kTileSize << 6);
29 // Fake width and height so that they can be multiples of the tile size.
30 const int kImgWidth = 704;
31 const int kImgHeight = 576;
32
33 // This test tests large scale tile coding case. Non-large-scale tile coding
34 // is tested by the tile_independence test.
35 class AV1ExtTileTest
36 : public ::libaom_test::CodecTestWith2Params<libaom_test::TestMode, int>,
37 public ::libaom_test::EncoderTest {
38 protected:
AV1ExtTileTest()39 AV1ExtTileTest()
40 : EncoderTest(GET_PARAM(0)), encoding_mode_(GET_PARAM(1)),
41 set_cpu_used_(GET_PARAM(2)) {
42 init_flags_ = AOM_CODEC_USE_PSNR;
43 aom_codec_dec_cfg_t cfg = aom_codec_dec_cfg_t();
44 cfg.w = kImgWidth;
45 cfg.h = kImgHeight;
46 cfg.allow_lowbitdepth = 1;
47
48 decoder_ = codec_->CreateDecoder(cfg, 0);
49 decoder_->Control(AV1_SET_TILE_MODE, 1);
50 decoder_->Control(AV1D_EXT_TILE_DEBUG, 1);
51 decoder_->Control(AV1_SET_DECODE_TILE_ROW, -1);
52 decoder_->Control(AV1_SET_DECODE_TILE_COL, -1);
53
54 // Allocate buffer to store tile image.
55 aom_img_alloc(&tile_img_, AOM_IMG_FMT_I420, kImgWidth, kImgHeight, 32);
56
57 md5_.clear();
58 tile_md5_.clear();
59 }
60
~AV1ExtTileTest()61 ~AV1ExtTileTest() override {
62 aom_img_free(&tile_img_);
63 delete decoder_;
64 }
65
SetUp()66 void SetUp() override {
67 InitializeConfig(encoding_mode_);
68
69 cfg_.g_lag_in_frames = 0;
70 cfg_.rc_end_usage = AOM_VBR;
71 cfg_.g_error_resilient = 1;
72
73 cfg_.rc_max_quantizer = 56;
74 cfg_.rc_min_quantizer = 0;
75 }
76
PreEncodeFrameHook(::libaom_test::VideoSource * video,::libaom_test::Encoder * encoder)77 void PreEncodeFrameHook(::libaom_test::VideoSource *video,
78 ::libaom_test::Encoder *encoder) override {
79 if (video->frame() == 0) {
80 // Encode setting
81 encoder->Control(AOME_SET_CPUUSED, set_cpu_used_);
82 encoder->Control(AOME_SET_ENABLEAUTOALTREF, 0);
83 encoder->Control(AV1E_SET_FRAME_PARALLEL_DECODING, 1);
84
85 // TODO(yunqingwang): test single_tile_decoding = 0.
86 encoder->Control(AV1E_SET_SINGLE_TILE_DECODING, 1);
87 // Always use 64x64 max partition.
88 encoder->Control(AV1E_SET_SUPERBLOCK_SIZE, AOM_SUPERBLOCK_SIZE_64X64);
89 // Set tile_columns and tile_rows to MAX values, which guarantees the tile
90 // size of 64 x 64 pixels(i.e. 1 SB) for <= 4k resolution.
91 encoder->Control(AV1E_SET_TILE_COLUMNS, 6);
92 encoder->Control(AV1E_SET_TILE_ROWS, 6);
93 } else if (video->frame() == 1) {
94 frame_flags_ =
95 AOM_EFLAG_NO_UPD_LAST | AOM_EFLAG_NO_UPD_GF | AOM_EFLAG_NO_UPD_ARF;
96 }
97 }
98
DecompressedFrameHook(const aom_image_t & img,aom_codec_pts_t pts)99 void DecompressedFrameHook(const aom_image_t &img,
100 aom_codec_pts_t pts) override {
101 // Skip 1 already decoded frame to be consistent with the decoder in this
102 // test.
103 if (pts == (aom_codec_pts_t)kSkip) return;
104
105 // Calculate MD5 as the reference.
106 ::libaom_test::MD5 md5_res;
107 md5_res.Add(&img);
108 md5_.push_back(md5_res.Get());
109 }
110
FramePktHook(const aom_codec_cx_pkt_t * pkt)111 void FramePktHook(const aom_codec_cx_pkt_t *pkt) override {
112 // Skip decoding 1 frame.
113 if (pkt->data.frame.pts == (aom_codec_pts_t)kSkip) return;
114
115 bool IsLastFrame = (pkt->data.frame.pts == (aom_codec_pts_t)(kLimit - 1));
116
117 // Decode the first (kLimit - 1) frames as whole frame, and decode the last
118 // frame in single tiles.
119 for (int r = 0; r < kImgHeight / kTIleSizeInPixels; ++r) {
120 for (int c = 0; c < kImgWidth / kTIleSizeInPixels; ++c) {
121 if (!IsLastFrame) {
122 decoder_->Control(AV1_SET_DECODE_TILE_ROW, -1);
123 decoder_->Control(AV1_SET_DECODE_TILE_COL, -1);
124 } else {
125 decoder_->Control(AV1_SET_DECODE_TILE_ROW, r);
126 decoder_->Control(AV1_SET_DECODE_TILE_COL, c);
127 }
128
129 const aom_codec_err_t res = decoder_->DecodeFrame(
130 reinterpret_cast<uint8_t *>(pkt->data.frame.buf),
131 pkt->data.frame.sz);
132 if (res != AOM_CODEC_OK) {
133 abort_ = true;
134 ASSERT_EQ(AOM_CODEC_OK, res);
135 }
136 const aom_image_t *img = decoder_->GetDxData().Next();
137
138 if (!IsLastFrame) {
139 if (img) {
140 ::libaom_test::MD5 md5_res;
141 md5_res.Add(img);
142 tile_md5_.push_back(md5_res.Get());
143 }
144 break;
145 }
146
147 const int kMaxMBPlane = 3;
148 for (int plane = 0; plane < kMaxMBPlane; ++plane) {
149 const int shift = (plane == 0) ? 0 : 1;
150 int tile_height = kTIleSizeInPixels >> shift;
151 int tile_width = kTIleSizeInPixels >> shift;
152
153 for (int tr = 0; tr < tile_height; ++tr) {
154 memcpy(tile_img_.planes[plane] +
155 tile_img_.stride[plane] * (r * tile_height + tr) +
156 c * tile_width,
157 img->planes[plane] + img->stride[plane] * tr, tile_width);
158 }
159 }
160 }
161
162 if (!IsLastFrame) break;
163 }
164
165 if (IsLastFrame) {
166 ::libaom_test::MD5 md5_res;
167 md5_res.Add(&tile_img_);
168 tile_md5_.push_back(md5_res.Get());
169 }
170 }
171
TestRoundTrip()172 void TestRoundTrip() {
173 ::libaom_test::I420VideoSource video(
174 "hantro_collage_w352h288.yuv", kImgWidth, kImgHeight, 30, 1, 0, kLimit);
175 cfg_.rc_target_bitrate = 500;
176 cfg_.g_error_resilient = AOM_ERROR_RESILIENT_DEFAULT;
177 cfg_.large_scale_tile = 1;
178 cfg_.g_lag_in_frames = 0;
179 cfg_.g_threads = 1;
180
181 // Tile encoding
182 init_flags_ = AOM_CODEC_USE_PSNR;
183 ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
184
185 // Compare to check if two vectors are equal.
186 ASSERT_EQ(md5_, tile_md5_);
187 }
188
189 ::libaom_test::TestMode encoding_mode_;
190 int set_cpu_used_;
191 ::libaom_test::Decoder *decoder_;
192 aom_image_t tile_img_;
193 std::vector<std::string> md5_;
194 std::vector<std::string> tile_md5_;
195 };
196
TEST_P(AV1ExtTileTest,DecoderResultTest)197 TEST_P(AV1ExtTileTest, DecoderResultTest) { TestRoundTrip(); }
198
199 AV1_INSTANTIATE_TEST_SUITE(
200 // Now only test 2-pass mode.
201 AV1ExtTileTest, ::testing::Values(::libaom_test::kTwoPassGood),
202 ::testing::Range(1, 4));
203
204 class AV1ExtTileTestLarge : public AV1ExtTileTest {};
205
TEST_P(AV1ExtTileTestLarge,DecoderResultTest)206 TEST_P(AV1ExtTileTestLarge, DecoderResultTest) { TestRoundTrip(); }
207
208 AV1_INSTANTIATE_TEST_SUITE(
209 // Now only test 2-pass mode.
210 AV1ExtTileTestLarge, ::testing::Values(::libaom_test::kTwoPassGood),
211 ::testing::Range(0, 1));
212 } // namespace
213