1 /* 2 * Copyright (c) 2015 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 <string> 12 13 #include "test/codec_factory.h" 14 #include "test/decode_test_driver.h" 15 #include "test/md5_helper.h" 16 #include "test/util.h" 17 #include "test/webm_video_source.h" 18 19 namespace { 20 21 const char kVp9TestFile[] = "vp90-2-08-tile_1x8_frame_parallel.webm"; 22 const char kVp9Md5File[] = "vp90-2-08-tile_1x8_frame_parallel.webm.md5"; 23 24 // Class for testing shutting off the loop filter. 25 class SkipLoopFilterTest { 26 public: 27 SkipLoopFilterTest() : video_(NULL), decoder_(NULL), md5_file_(NULL) {} 28 29 ~SkipLoopFilterTest() { 30 if (md5_file_ != NULL) fclose(md5_file_); 31 delete decoder_; 32 delete video_; 33 } 34 35 // If |threads| > 0 then set the decoder with that number of threads. 36 void Init(int num_threads) { 37 expected_md5_[0] = '\0'; 38 junk_[0] = '\0'; 39 video_ = new libvpx_test::WebMVideoSource(kVp9TestFile); 40 ASSERT_TRUE(video_ != NULL); 41 video_->Init(); 42 video_->Begin(); 43 44 vpx_codec_dec_cfg_t cfg = vpx_codec_dec_cfg_t(); 45 if (num_threads > 0) cfg.threads = num_threads; 46 decoder_ = new libvpx_test::VP9Decoder(cfg, 0); 47 ASSERT_TRUE(decoder_ != NULL); 48 49 OpenMd5File(kVp9Md5File); 50 } 51 52 // Set the VP9 skipLoopFilter control value. 53 void SetSkipLoopFilter(int value, vpx_codec_err_t expected_value) { 54 decoder_->Control(VP9_SET_SKIP_LOOP_FILTER, value, expected_value); 55 } 56 57 vpx_codec_err_t DecodeOneFrame() { 58 const vpx_codec_err_t res = 59 decoder_->DecodeFrame(video_->cxdata(), video_->frame_size()); 60 if (res == VPX_CODEC_OK) { 61 ReadMd5(); 62 video_->Next(); 63 } 64 return res; 65 } 66 67 vpx_codec_err_t DecodeRemainingFrames() { 68 for (; video_->cxdata() != NULL; video_->Next()) { 69 const vpx_codec_err_t res = 70 decoder_->DecodeFrame(video_->cxdata(), video_->frame_size()); 71 if (res != VPX_CODEC_OK) return res; 72 ReadMd5(); 73 } 74 return VPX_CODEC_OK; 75 } 76 77 // Checks if MD5 matches or doesn't. 78 void CheckMd5(bool matches) { 79 libvpx_test::DxDataIterator dec_iter = decoder_->GetDxData(); 80 const vpx_image_t *img = dec_iter.Next(); 81 CheckMd5Vpx(*img, matches); 82 } 83 84 private: 85 // TODO(fgalligan): Move the MD5 testing code into another class. 86 void OpenMd5File(const std::string &md5_file_name) { 87 md5_file_ = libvpx_test::OpenTestDataFile(md5_file_name); 88 ASSERT_TRUE(md5_file_ != NULL) 89 << "MD5 file open failed. Filename: " << md5_file_name; 90 } 91 92 // Reads the next line of the MD5 file. 93 void ReadMd5() { 94 ASSERT_TRUE(md5_file_ != NULL); 95 const int res = fscanf(md5_file_, "%s %s", expected_md5_, junk_); 96 ASSERT_NE(EOF, res) << "Read md5 data failed"; 97 expected_md5_[32] = '\0'; 98 } 99 100 // Checks if the last read MD5 matches |img| or doesn't. 101 void CheckMd5Vpx(const vpx_image_t &img, bool matches) { 102 ::libvpx_test::MD5 md5_res; 103 md5_res.Add(&img); 104 const char *const actual_md5 = md5_res.Get(); 105 106 // Check MD5. 107 if (matches) 108 ASSERT_STREQ(expected_md5_, actual_md5) << "MD5 checksums don't match"; 109 else 110 ASSERT_STRNE(expected_md5_, actual_md5) << "MD5 checksums match"; 111 } 112 113 libvpx_test::WebMVideoSource *video_; 114 libvpx_test::VP9Decoder *decoder_; 115 FILE *md5_file_; 116 char expected_md5_[33]; 117 char junk_[128]; 118 }; 119 120 TEST(SkipLoopFilterTest, ShutOffLoopFilter) { 121 const int non_zero_value = 1; 122 const int num_threads = 0; 123 SkipLoopFilterTest skip_loop_filter; 124 skip_loop_filter.Init(num_threads); 125 skip_loop_filter.SetSkipLoopFilter(non_zero_value, VPX_CODEC_OK); 126 ASSERT_EQ(VPX_CODEC_OK, skip_loop_filter.DecodeRemainingFrames()); 127 skip_loop_filter.CheckMd5(false); 128 } 129 130 TEST(SkipLoopFilterTest, ShutOffLoopFilterSingleThread) { 131 const int non_zero_value = 1; 132 const int num_threads = 1; 133 SkipLoopFilterTest skip_loop_filter; 134 skip_loop_filter.Init(num_threads); 135 skip_loop_filter.SetSkipLoopFilter(non_zero_value, VPX_CODEC_OK); 136 ASSERT_EQ(VPX_CODEC_OK, skip_loop_filter.DecodeRemainingFrames()); 137 skip_loop_filter.CheckMd5(false); 138 } 139 140 TEST(SkipLoopFilterTest, ShutOffLoopFilter8Threads) { 141 const int non_zero_value = 1; 142 const int num_threads = 8; 143 SkipLoopFilterTest skip_loop_filter; 144 skip_loop_filter.Init(num_threads); 145 skip_loop_filter.SetSkipLoopFilter(non_zero_value, VPX_CODEC_OK); 146 ASSERT_EQ(VPX_CODEC_OK, skip_loop_filter.DecodeRemainingFrames()); 147 skip_loop_filter.CheckMd5(false); 148 } 149 150 TEST(SkipLoopFilterTest, WithLoopFilter) { 151 const int non_zero_value = 1; 152 const int num_threads = 0; 153 SkipLoopFilterTest skip_loop_filter; 154 skip_loop_filter.Init(num_threads); 155 skip_loop_filter.SetSkipLoopFilter(non_zero_value, VPX_CODEC_OK); 156 skip_loop_filter.SetSkipLoopFilter(0, VPX_CODEC_OK); 157 ASSERT_EQ(VPX_CODEC_OK, skip_loop_filter.DecodeRemainingFrames()); 158 skip_loop_filter.CheckMd5(true); 159 } 160 161 TEST(SkipLoopFilterTest, ToggleLoopFilter) { 162 const int num_threads = 0; 163 SkipLoopFilterTest skip_loop_filter; 164 skip_loop_filter.Init(num_threads); 165 166 for (int i = 0; i < 10; ++i) { 167 skip_loop_filter.SetSkipLoopFilter(i % 2, VPX_CODEC_OK); 168 ASSERT_EQ(VPX_CODEC_OK, skip_loop_filter.DecodeOneFrame()); 169 } 170 ASSERT_EQ(VPX_CODEC_OK, skip_loop_filter.DecodeRemainingFrames()); 171 skip_loop_filter.CheckMd5(false); 172 } 173 174 } // namespace 175
