| /* |
| * Copyright (c) 2019, Alliance for Open Media. All rights reserved |
| * |
| * This source code is subject to the terms of the BSD 2 Clause License and |
| * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License |
| * was not distributed with this source code in the LICENSE file, you can |
| * obtain it at www.aomedia.org/license/software. 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 www.aomedia.org/license/patent. |
| */ |
| |
| #include "config/aom_config.h" |
| |
| #include "third_party/googletest/src/googletest/include/gtest/gtest.h" |
| #include "test/codec_factory.h" |
| #include "test/datarate_test.h" |
| #include "test/encode_test_driver.h" |
| #include "test/i420_video_source.h" |
| #include "test/util.h" |
| #include "test/y4m_video_source.h" |
| #include "aom/aom_codec.h" |
| |
| namespace datarate_test { |
| namespace { |
| |
| class DatarateTestSVC |
| : public ::libaom_test::CodecTestWith4Params<libaom_test::TestMode, int, |
| unsigned int, int>, |
| public DatarateTest { |
| public: |
| DatarateTestSVC() : DatarateTest(GET_PARAM(0)) { |
| set_cpu_used_ = GET_PARAM(2); |
| aq_mode_ = GET_PARAM(3); |
| } |
| |
| protected: |
| virtual void SetUp() { |
| InitializeConfig(); |
| SetMode(GET_PARAM(1)); |
| ResetModel(); |
| } |
| |
| virtual void ResetModel() { |
| DatarateTest::ResetModel(); |
| number_temporal_layers_ = 1; |
| for (int i = 0; i < 3; i++) { |
| target_layer_bitrate_[i] = 0; |
| effective_datarate_tl[i] = 0.0; |
| } |
| memset(&layer_id_, 0, sizeof(aom_svc_layer_id_t)); |
| memset(&svc_params_, 0, sizeof(aom_svc_params_t)); |
| memset(&ref_frame_config_, 0, sizeof(aom_svc_ref_frame_config_t)); |
| } |
| |
| virtual void PreEncodeFrameHook(::libaom_test::VideoSource *video, |
| ::libaom_test::Encoder *encoder) { |
| if (video->frame() == 0) { |
| if (number_temporal_layers_ > 1) { |
| initialize_svc(number_temporal_layers_, &svc_params_); |
| encoder->Control(AV1E_SET_SVC_PARAMS, &svc_params_); |
| } |
| } |
| if (number_temporal_layers_ > 1) { |
| // Set the reference/update flags, layer_id, and reference_map |
| // buffer index. |
| frame_flags_ = |
| set_layer_pattern(video->frame(), &layer_id_, &ref_frame_config_); |
| encoder->Control(AV1E_SET_SVC_LAYER_ID, &layer_id_); |
| encoder->Control(AV1E_SET_SVC_REF_FRAME_CONFIG, &ref_frame_config_); |
| } |
| DatarateTest::PreEncodeFrameHook(video, encoder); |
| } |
| |
| virtual void FramePktHook(const aom_codec_cx_pkt_t *pkt) { |
| DatarateTest::FramePktHook(pkt); |
| const size_t frame_size_in_bits = pkt->data.frame.sz * 8; |
| if (number_temporal_layers_ > 1) { |
| // Update the layer cumulative bitrate. |
| for (int i = layer_id_.temporal_layer_id; i < number_temporal_layers_; |
| i++) |
| effective_datarate_tl[i] += 1.0 * frame_size_in_bits; |
| } |
| } |
| |
| virtual void EndPassHook(void) { |
| DatarateTest::EndPassHook(); |
| if (number_temporal_layers_ > 1) { |
| for (int i = 0; i < number_temporal_layers_; i++) |
| effective_datarate_tl[i] = |
| (effective_datarate_tl[i] / 1000) / duration_; |
| } |
| } |
| |
| // Layer pattern configuration. |
| virtual int set_layer_pattern(int frame_cnt, aom_svc_layer_id_t *layer_id, |
| aom_svc_ref_frame_config_t *ref_frame_config) { |
| // No spatial layers in this test. |
| layer_id->spatial_layer_id = 0; |
| // Set the referende map buffer idx for the 7 references: |
| // LAST_FRAME (0), LAST2_FRAME(1), LAST3_FRAME(2), GOLDEN_FRAME(3), |
| // BWDREF_FRAME(4), ALTREF2_FRAME(5), ALTREF_FRAME(6). |
| for (int i = 0; i < 7; i++) ref_frame_config->ref_idx[i] = i; |
| for (int i = 0; i < 8; i++) ref_frame_config->refresh[i] = 0; |
| // Note only use LAST and GF for prediction in non-rd mode (speed 8). |
| int layer_flags = AOM_EFLAG_NO_REF_LAST2 | AOM_EFLAG_NO_REF_LAST3 | |
| AOM_EFLAG_NO_REF_ARF | AOM_EFLAG_NO_REF_BWD | |
| AOM_EFLAG_NO_REF_ARF2; |
| // 3-layer: |
| // 1 3 5 7 |
| // 2 6 |
| // 0 4 8 |
| if (frame_cnt % 4 == 0) { |
| // Base layer. |
| layer_id->temporal_layer_id = 0; |
| // Update LAST on layer 0, reference LAST and GF. |
| ref_frame_config->refresh[0] = 1; |
| } else if ((frame_cnt - 1) % 4 == 0) { |
| layer_id->temporal_layer_id = 2; |
| // First top layer: no updates, only reference LAST (TL0). |
| layer_flags |= AOM_EFLAG_NO_REF_GF; |
| } else if ((frame_cnt - 2) % 4 == 0) { |
| layer_id->temporal_layer_id = 1; |
| // Middle layer (TL1): update LAST2, only reference LAST (TL0). |
| ref_frame_config->refresh[1] = 1; |
| layer_flags |= AOM_EFLAG_NO_REF_GF; |
| } else if ((frame_cnt - 3) % 4 == 0) { |
| layer_id->temporal_layer_id = 2; |
| // Second top layer: no updates, only reference LAST. |
| // Set buffer idx for LAST to slot 1, since that was the slot |
| // updated in previous frame. So LAST is TL1 frame. |
| ref_frame_config->ref_idx[0] = 1; |
| ref_frame_config->ref_idx[1] = 0; |
| layer_flags |= AOM_EFLAG_NO_REF_GF; |
| } |
| return layer_flags; |
| } |
| |
| virtual void initialize_svc(int number_temporal_layers, |
| aom_svc_params *svc_params) { |
| svc_params->number_spatial_layers = 1; |
| svc_params->scaling_factor_num[0] = 1; |
| svc_params->scaling_factor_den[0] = 1; |
| svc_params->number_temporal_layers = number_temporal_layers; |
| for (int i = 0; i < number_temporal_layers; ++i) { |
| svc_params->max_quantizers[i] = 56; |
| svc_params->min_quantizers[i] = 2; |
| svc_params->layer_target_bitrate[i] = target_layer_bitrate_[i]; |
| } |
| svc_params->framerate_factor[0] = 1; |
| if (number_temporal_layers == 2) { |
| svc_params->framerate_factor[0] = 2; |
| svc_params->framerate_factor[1] = 1; |
| } else if (number_temporal_layers == 3) { |
| svc_params->framerate_factor[0] = 4; |
| svc_params->framerate_factor[1] = 2; |
| svc_params->framerate_factor[2] = 1; |
| } |
| } |
| |
| virtual void BasicRateTargetingSVC3TL1SLTest() { |
| cfg_.rc_buf_initial_sz = 500; |
| cfg_.rc_buf_optimal_sz = 500; |
| cfg_.rc_buf_sz = 1000; |
| cfg_.rc_dropframe_thresh = 0; |
| cfg_.rc_min_quantizer = 0; |
| cfg_.rc_max_quantizer = 63; |
| cfg_.rc_end_usage = AOM_CBR; |
| cfg_.g_lag_in_frames = 0; |
| cfg_.g_usage = AOM_USAGE_REALTIME; |
| cfg_.g_error_resilient = 1; |
| |
| ::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, |
| 288, 30, 1, 0, 300); |
| const int bitrate_array[2] = { 150, 550 }; |
| cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)]; |
| ResetModel(); |
| number_temporal_layers_ = 3; |
| target_layer_bitrate_[0] = 50 * cfg_.rc_target_bitrate / 100; |
| target_layer_bitrate_[1] = 70 * cfg_.rc_target_bitrate / 100; |
| target_layer_bitrate_[2] = cfg_.rc_target_bitrate; |
| framerate_factor_[0] = 4; |
| framerate_factor_[1] = 2; |
| framerate_factor_[2] = 1; |
| ASSERT_NO_FATAL_FAILURE(RunLoop(&video)); |
| for (int i = 0; i < number_temporal_layers_; i++) { |
| ASSERT_GE(effective_datarate_tl[i], target_layer_bitrate_[i] * 0.80) |
| << " The datarate for the file is lower than target by too much!"; |
| ASSERT_LE(effective_datarate_tl[i], target_layer_bitrate_[i] * 1.30) |
| << " The datarate for the file is greater than target by too much!"; |
| } |
| } |
| |
| int number_temporal_layers_; |
| // Allow for up to 3 temporal layers. |
| int target_layer_bitrate_[3]; |
| aom_svc_params_t svc_params_; |
| aom_svc_ref_frame_config_t ref_frame_config_; |
| aom_svc_layer_id_t layer_id_; |
| double effective_datarate_tl[3]; |
| int framerate_factor_[3]; |
| }; |
| |
| // Check basic rate targeting for CBR, for 3 temporal layers. |
| TEST_P(DatarateTestSVC, BasicRateTargetingSVC3TL1SL) { |
| BasicRateTargetingSVC3TL1SLTest(); |
| } |
| |
| AV1_INSTANTIATE_TEST_CASE(DatarateTestSVC, |
| ::testing::Values(::libaom_test::kRealTime), |
| ::testing::Range(7, 9), |
| ::testing::Range<unsigned int>(0, 4), |
| ::testing::Values(0, 1)); |
| |
| } // namespace |
| } // namespace datarate_test |
