| /* |
| * Copyright (c) 2021, Alliance for Open Media. All rights reserved |
| * |
| * This source code is subject to the terms of the BSD 3-Clause Clear License |
| * and the Alliance for Open Media Patent License 1.0. If the BSD 3-Clause Clear |
| * License was not distributed with this source code in the LICENSE file, you |
| * can obtain it at aomedia.org/license/software-license/bsd-3-c-c/. If the |
| * Alliance for Open Media Patent License 1.0 was not distributed with this |
| * source code in the PATENTS file, you can obtain it at |
| * aomedia.org/license/patent-license/. |
| */ |
| |
| #include "third_party/googletest/src/googletest/include/gtest/gtest.h" |
| |
| #include "config/aom_config.h" |
| |
| #include "test/codec_factory.h" |
| #include "test/encode_test_driver.h" |
| #include "test/i420_video_source.h" |
| #include "test/util.h" |
| #include "test/y4m_video_source.h" |
| |
| namespace { |
| |
| const int kMaxPsnr = 100; |
| |
| class LosslessTestLarge |
| : public ::libaom_test::CodecTestWith2Params<libaom_test::TestMode, |
| aom_rc_mode>, |
| public ::libaom_test::EncoderTest { |
| protected: |
| LosslessTestLarge() |
| : EncoderTest(GET_PARAM(0)), psnr_(kMaxPsnr), nframes_(0), |
| encoding_mode_(GET_PARAM(1)), rc_end_usage_(GET_PARAM(2)) {} |
| |
| virtual ~LosslessTestLarge() {} |
| |
| virtual void SetUp() { |
| InitializeConfig(); |
| SetMode(encoding_mode_); |
| cfg_.rc_end_usage = rc_end_usage_; |
| } |
| |
| virtual void PreEncodeFrameHook(::libaom_test::VideoSource *video, |
| ::libaom_test::Encoder *encoder) { |
| if (video->frame() == 0) { |
| // Only call Control if quantizer > 0 to verify that using quantizer |
| // alone will activate lossless |
| if (cfg_.rc_max_quantizer > 0 || cfg_.rc_min_quantizer > 0) { |
| encoder->Control(AV1E_SET_LOSSLESS, 1); |
| } |
| } |
| } |
| |
| virtual void BeginPassHook(unsigned int /*pass*/) { |
| psnr_ = kMaxPsnr; |
| nframes_ = 0; |
| } |
| |
| virtual void PSNRPktHook(const aom_codec_cx_pkt_t *pkt) { |
| if (pkt->data.psnr.psnr[0] < psnr_) psnr_ = pkt->data.psnr.psnr[0]; |
| } |
| |
| double GetMinPsnr() const { return psnr_; } |
| |
| virtual bool HandleDecodeResult(const aom_codec_err_t res_dec, |
| libaom_test::Decoder *decoder) { |
| EXPECT_EQ(AOM_CODEC_OK, res_dec) << decoder->DecodeError(); |
| if (AOM_CODEC_OK == res_dec) { |
| aom_codec_ctx_t *ctx_dec = decoder->GetDecoder(); |
| AOM_CODEC_CONTROL_TYPECHECKED(ctx_dec, AOMD_GET_LAST_QUANTIZER, |
| &base_qindex_); |
| EXPECT_EQ(base_qindex_, 0) |
| << "Error: Base_qindex is non zero for lossless coding"; |
| } |
| return AOM_CODEC_OK == res_dec; |
| } |
| |
| private: |
| double psnr_; |
| unsigned int nframes_; |
| libaom_test::TestMode encoding_mode_; |
| aom_rc_mode rc_end_usage_; |
| int base_qindex_; |
| }; |
| |
| TEST_P(LosslessTestLarge, TestLossLessEncoding) { |
| const aom_rational timebase = { 33333333, 1000000000 }; |
| cfg_.g_timebase = timebase; |
| cfg_.rc_target_bitrate = 2000; |
| cfg_.g_lag_in_frames = 25; |
| cfg_.rc_min_quantizer = 0; |
| cfg_.rc_max_quantizer = 0; |
| |
| init_flags_ = AOM_CODEC_USE_PSNR; |
| |
| // intentionally changed the dimension for better testing coverage |
| libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288, |
| timebase.den, timebase.num, 0, 5); |
| ASSERT_NO_FATAL_FAILURE(RunLoop(&video)); |
| const double psnr_lossless = GetMinPsnr(); |
| EXPECT_GE(psnr_lossless, kMaxPsnr); |
| } |
| |
| TEST_P(LosslessTestLarge, TestLossLessEncoding444) { |
| libaom_test::Y4mVideoSource video("rush_hour_444.y4m", 0, 5); |
| |
| cfg_.g_profile = 1; |
| cfg_.g_timebase = video.timebase(); |
| cfg_.rc_target_bitrate = 2000; |
| cfg_.g_lag_in_frames = 25; |
| cfg_.rc_min_quantizer = 0; |
| cfg_.rc_max_quantizer = 0; |
| |
| init_flags_ = AOM_CODEC_USE_PSNR; |
| |
| ASSERT_NO_FATAL_FAILURE(RunLoop(&video)); |
| const double psnr_lossless = GetMinPsnr(); |
| EXPECT_GE(psnr_lossless, kMaxPsnr); |
| } |
| |
| TEST_P(LosslessTestLarge, TestLossLessEncodingCtrl) { |
| const aom_rational timebase = { 33333333, 1000000000 }; |
| cfg_.g_timebase = timebase; |
| cfg_.rc_target_bitrate = 2000; |
| cfg_.g_lag_in_frames = 25; |
| // Intentionally set Q > 0, to make sure control can be used to activate |
| // lossless |
| cfg_.rc_min_quantizer = 40; |
| cfg_.rc_max_quantizer = 80; |
| |
| init_flags_ = AOM_CODEC_USE_PSNR; |
| |
| libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288, |
| timebase.den, timebase.num, 0, 5); |
| ASSERT_NO_FATAL_FAILURE(RunLoop(&video)); |
| const double psnr_lossless = GetMinPsnr(); |
| EXPECT_GE(psnr_lossless, kMaxPsnr); |
| } |
| |
| AV1_INSTANTIATE_TEST_SUITE(LosslessTestLarge, GOODQUALITY_TEST_MODES, |
| ::testing::Values(AOM_Q, AOM_VBR, AOM_CBR, AOM_CQ)); |
| } // namespace |