From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- third_party/aom/test/datarate_test.cc | 255 ++++++++++++++++++++++++++++++++++ 1 file changed, 255 insertions(+) create mode 100644 third_party/aom/test/datarate_test.cc (limited to 'third_party/aom/test/datarate_test.cc') diff --git a/third_party/aom/test/datarate_test.cc b/third_party/aom/test/datarate_test.cc new file mode 100644 index 0000000000..1588d3cc19 --- /dev/null +++ b/third_party/aom/test/datarate_test.cc @@ -0,0 +1,255 @@ +/* + * Copyright (c) 2016, 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/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 { + +class DatarateTestLarge + : public ::libaom_test::CodecTestWith2Params, + public ::libaom_test::EncoderTest { + public: + DatarateTestLarge() : EncoderTest(GET_PARAM(0)) {} + + protected: + virtual ~DatarateTestLarge() {} + + virtual void SetUp() { + InitializeConfig(); + SetMode(GET_PARAM(1)); + set_cpu_used_ = GET_PARAM(2); + ResetModel(); + } + + virtual void ResetModel() { + last_pts_ = 0; + bits_in_buffer_model_ = cfg_.rc_target_bitrate * cfg_.rc_buf_initial_sz; + frame_number_ = 0; + tot_frame_number_ = 0; + first_drop_ = 0; + num_drops_ = 0; + // Denoiser is off by default. + denoiser_on_ = 0; + bits_total_ = 0; + denoiser_offon_test_ = 0; + denoiser_offon_period_ = -1; + } + + virtual void PreEncodeFrameHook(::libaom_test::VideoSource *video, + ::libaom_test::Encoder *encoder) { + if (video->frame() == 0) encoder->Control(AOME_SET_CPUUSED, set_cpu_used_); + + if (denoiser_offon_test_) { + ASSERT_GT(denoiser_offon_period_, 0) + << "denoiser_offon_period_ is not positive."; + if ((video->frame() + 1) % denoiser_offon_period_ == 0) { + // Flip denoiser_on_ periodically + denoiser_on_ ^= 1; + } + } + + encoder->Control(AV1E_SET_NOISE_SENSITIVITY, denoiser_on_); + + const aom_rational_t tb = video->timebase(); + timebase_ = static_cast(tb.num) / tb.den; + duration_ = 0; + } + + virtual void FramePktHook(const aom_codec_cx_pkt_t *pkt) { + // Time since last timestamp = duration. + aom_codec_pts_t duration = pkt->data.frame.pts - last_pts_; + + if (duration > 1) { + // If first drop not set and we have a drop set it to this time. + if (!first_drop_) first_drop_ = last_pts_ + 1; + // Update the number of frame drops. + num_drops_ += static_cast(duration - 1); + // Update counter for total number of frames (#frames input to encoder). + // Needed for setting the proper layer_id below. + tot_frame_number_ += static_cast(duration - 1); + } + + // Add to the buffer the bits we'd expect from a constant bitrate server. + bits_in_buffer_model_ += static_cast( + duration * timebase_ * cfg_.rc_target_bitrate * 1000); + + // Buffer should not go negative. + ASSERT_GE(bits_in_buffer_model_, 0) + << "Buffer Underrun at frame " << pkt->data.frame.pts; + + const size_t frame_size_in_bits = pkt->data.frame.sz * 8; + + // Update the total encoded bits. + bits_total_ += frame_size_in_bits; + + // Update the most recent pts. + last_pts_ = pkt->data.frame.pts; + ++frame_number_; + ++tot_frame_number_; + } + + virtual void EndPassHook(void) { + duration_ = (last_pts_ + 1) * timebase_; + // Effective file datarate: + effective_datarate_ = (bits_total_ / 1000.0) / duration_; + } + + aom_codec_pts_t last_pts_; + double timebase_; + int frame_number_; // Counter for number of non-dropped/encoded frames. + int tot_frame_number_; // Counter for total number of input frames. + int64_t bits_total_; + double duration_; + double effective_datarate_; + int set_cpu_used_; + int64_t bits_in_buffer_model_; + aom_codec_pts_t first_drop_; + int num_drops_; + int denoiser_on_; + int denoiser_offon_test_; + int denoiser_offon_period_; +}; + +// Check basic rate targeting for VBR mode. +TEST_P(DatarateTestLarge, BasicRateTargetingVBR) { + cfg_.rc_min_quantizer = 0; + cfg_.rc_max_quantizer = 63; + cfg_.g_error_resilient = 0; + cfg_.rc_end_usage = AOM_VBR; + cfg_.g_lag_in_frames = 0; + + ::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288, + 30, 1, 0, 140); + for (int i = 400; i <= 800; i += 400) { + cfg_.rc_target_bitrate = i; + ResetModel(); + ASSERT_NO_FATAL_FAILURE(RunLoop(&video)); + ASSERT_GE(effective_datarate_, cfg_.rc_target_bitrate * 0.75) + << " The datarate for the file is lower than target by too much!"; + ASSERT_LE(effective_datarate_, cfg_.rc_target_bitrate * 1.25) + << " The datarate for the file is greater than target by too much!"; + } +} + +// Check basic rate targeting for CBR, +TEST_P(DatarateTestLarge, BasicRateTargeting) { + cfg_.rc_buf_initial_sz = 500; + cfg_.rc_buf_optimal_sz = 500; + cfg_.rc_buf_sz = 1000; + cfg_.rc_dropframe_thresh = 1; + cfg_.rc_min_quantizer = 0; + cfg_.rc_max_quantizer = 63; + cfg_.rc_end_usage = AOM_CBR; + cfg_.g_lag_in_frames = 0; + + ::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288, + 30, 1, 0, 140); + for (int i = 150; i < 800; i += 400) { + cfg_.rc_target_bitrate = i; + ResetModel(); + ASSERT_NO_FATAL_FAILURE(RunLoop(&video)); + ASSERT_GE(effective_datarate_, cfg_.rc_target_bitrate * 0.85) + << " The datarate for the file is lower than target by too much!"; + ASSERT_LE(effective_datarate_, cfg_.rc_target_bitrate * 1.15) + << " The datarate for the file is greater than target by too much!"; + } +} + +// Check basic rate targeting for CBR. +TEST_P(DatarateTestLarge, BasicRateTargeting444) { + ::libaom_test::Y4mVideoSource video("rush_hour_444.y4m", 0, 140); + + cfg_.g_profile = 1; + cfg_.g_timebase = video.timebase(); + + cfg_.rc_buf_initial_sz = 500; + cfg_.rc_buf_optimal_sz = 500; + cfg_.rc_buf_sz = 1000; + cfg_.rc_dropframe_thresh = 1; + cfg_.rc_min_quantizer = 0; + cfg_.rc_max_quantizer = 63; + cfg_.rc_end_usage = AOM_CBR; + + for (int i = 250; i < 900; i += 400) { + cfg_.rc_target_bitrate = i; + ResetModel(); + ASSERT_NO_FATAL_FAILURE(RunLoop(&video)); + ASSERT_GE(static_cast(cfg_.rc_target_bitrate), + effective_datarate_ * 0.85) + << " The datarate for the file exceeds the target by too much!"; + ASSERT_LE(static_cast(cfg_.rc_target_bitrate), + effective_datarate_ * 1.15) + << " The datarate for the file missed the target!" + << cfg_.rc_target_bitrate << " " << effective_datarate_; + } +} + +// Check that (1) the first dropped frame gets earlier and earlier +// as the drop frame threshold is increased, and (2) that the total number of +// frame drops does not decrease as we increase frame drop threshold. +// Use a lower qp-max to force some frame drops. +TEST_P(DatarateTestLarge, ChangingDropFrameThresh) { + cfg_.rc_buf_initial_sz = 500; + cfg_.rc_buf_optimal_sz = 500; + cfg_.rc_buf_sz = 1000; + cfg_.rc_undershoot_pct = 20; + cfg_.rc_undershoot_pct = 20; + cfg_.rc_dropframe_thresh = 10; + cfg_.rc_min_quantizer = 0; + cfg_.rc_max_quantizer = 50; + cfg_.rc_end_usage = AOM_CBR; + cfg_.rc_target_bitrate = 200; + cfg_.g_lag_in_frames = 0; + cfg_.g_error_resilient = 1; + // TODO(marpan): Investigate datarate target failures with a smaller keyframe + // interval (128). + cfg_.kf_max_dist = 9999; + + ::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288, + 30, 1, 0, 100); + + const int kDropFrameThreshTestStep = 30; + aom_codec_pts_t last_drop = 140; + int last_num_drops = 0; + for (int i = 40; i < 100; i += kDropFrameThreshTestStep) { + cfg_.rc_dropframe_thresh = i; + ResetModel(); + ASSERT_NO_FATAL_FAILURE(RunLoop(&video)); + ASSERT_GE(effective_datarate_, cfg_.rc_target_bitrate * 0.85) + << " The datarate for the file is lower than target by too much!"; + ASSERT_LE(effective_datarate_, cfg_.rc_target_bitrate * 1.15) + << " The datarate for the file is greater than target by too much!"; + ASSERT_LE(first_drop_, last_drop) + << " The first dropped frame for drop_thresh " << i + << " > first dropped frame for drop_thresh " + << i - kDropFrameThreshTestStep; + ASSERT_GE(num_drops_, last_num_drops * 0.85) + << " The number of dropped frames for drop_thresh " << i + << " < number of dropped frames for drop_thresh " + << i - kDropFrameThreshTestStep; + last_drop = first_drop_; + last_num_drops = num_drops_; + } +} + +AV1_INSTANTIATE_TEST_CASE(DatarateTestLarge, + ::testing::Values(::libaom_test::kOnePassGood, + ::libaom_test::kRealTime), + ::testing::Values(2, 5)); +} // namespace -- cgit v1.2.3