| /* |
| Copyright (c) 2012 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 "third_party/googletest/src/include/gtest/gtest.h" |
| #include "test/encode_test_driver.h" |
| #include "test/i420_video_source.h" |
| |
| namespace { |
| |
| class ErrorResilienceTest : public libvpx_test::EncoderTest, |
| public ::testing::TestWithParam<int> { |
| protected: |
| ErrorResilienceTest() { |
| psnr_ = 0.0; |
| nframes_ = 0; |
| encoding_mode_ = static_cast<libvpx_test::TestMode>(GetParam()); |
| } |
| virtual ~ErrorResilienceTest() {} |
| |
| virtual void SetUp() { |
| InitializeConfig(); |
| SetMode(encoding_mode_); |
| } |
| |
| virtual void BeginPassHook(unsigned int /*pass*/) { |
| psnr_ = 0.0; |
| nframes_ = 0; |
| } |
| |
| virtual bool Continue() const { |
| return !HasFatalFailure() && !abort_; |
| } |
| |
| virtual void PSNRPktHook(const vpx_codec_cx_pkt_t *pkt) { |
| psnr_ += pkt->data.psnr.psnr[0]; |
| nframes_++; |
| } |
| |
| double GetAveragePsnr() const { |
| if (nframes_) |
| return psnr_ / nframes_; |
| return 0.0; |
| } |
| |
| private: |
| double psnr_; |
| unsigned int nframes_; |
| libvpx_test::TestMode encoding_mode_; |
| }; |
| |
| TEST_P(ErrorResilienceTest, OnVersusOff) { |
| const vpx_rational timebase = { 33333333, 1000000000 }; |
| cfg_.g_timebase = timebase; |
| cfg_.rc_target_bitrate = 2000; |
| cfg_.g_lag_in_frames = 25; |
| |
| init_flags_ = VPX_CODEC_USE_PSNR; |
| |
| libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288, |
| timebase.den, timebase.num, 0, 30); |
| |
| // Error resilient mode OFF. |
| cfg_.g_error_resilient = 0; |
| ASSERT_NO_FATAL_FAILURE(RunLoop(&video)); |
| const double psnr_resilience_off = GetAveragePsnr(); |
| EXPECT_GT(psnr_resilience_off, 25.0); |
| |
| // Error resilient mode ON. |
| cfg_.g_error_resilient = 1; |
| ASSERT_NO_FATAL_FAILURE(RunLoop(&video)); |
| const double psnr_resilience_on = GetAveragePsnr(); |
| EXPECT_GT(psnr_resilience_on, 25.0); |
| |
| // Test that turning on error resilient mode hurts by 10% at most. |
| if (psnr_resilience_off > 0.0) { |
| const double psnr_ratio = psnr_resilience_on / psnr_resilience_off; |
| EXPECT_GE(psnr_ratio, 0.9); |
| EXPECT_LE(psnr_ratio, 1.1); |
| } |
| } |
| |
| INSTANTIATE_TEST_CASE_P(OnOffTest, ErrorResilienceTest, |
| ONE_PASS_TEST_MODES); |
| } // namespace |