ref: 74a0b04f5733f4b8c816225752417ef3ce146cd4
dir: /test/vp8_datarate_test.cc/
/* * 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 "./vpx_config.h" #include "third_party/googletest/src/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 "vpx/vpx_codec.h" namespace { class DatarateTestLarge : public ::libvpx_test::EncoderTest, public ::libvpx_test::CodecTestWith2Params<libvpx_test::TestMode, int> { public: DatarateTestLarge() : EncoderTest(GET_PARAM(0)) {} virtual ~DatarateTestLarge() {} protected: 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; first_drop_ = 0; bits_total_ = 0; duration_ = 0.0; denoiser_offon_test_ = 0; denoiser_offon_period_ = -1; gf_boost_ = 0; use_roi_ = false; } virtual void PreEncodeFrameHook(::libvpx_test::VideoSource *video, ::libvpx_test::Encoder *encoder) { if (video->frame() == 0) { encoder->Control(VP8E_SET_NOISE_SENSITIVITY, denoiser_on_); encoder->Control(VP8E_SET_CPUUSED, set_cpu_used_); encoder->Control(VP8E_SET_GF_CBR_BOOST_PCT, gf_boost_); } if (use_roi_) { encoder->Control(VP8E_SET_ROI_MAP, &roi_); } 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(VP8E_SET_NOISE_SENSITIVITY, denoiser_on_); } const vpx_rational_t tb = video->timebase(); timebase_ = static_cast<double>(tb.num) / tb.den; duration_ = 0; } virtual void FramePktHook(const vpx_codec_cx_pkt_t *pkt) { // Time since last timestamp = duration. vpx_codec_pts_t duration = pkt->data.frame.pts - last_pts_; // TODO(jimbankoski): Remove these lines when the issue: // http://code.google.com/p/webm/issues/detail?id=496 is fixed. // For now the codec assumes buffer starts at starting buffer rate // plus one frame's time. if (last_pts_ == 0) duration = 1; // Add to the buffer the bits we'd expect from a constant bitrate server. bits_in_buffer_model_ += static_cast<int64_t>( duration * timebase_ * cfg_.rc_target_bitrate * 1000); /* Test the buffer model here before subtracting the frame. Do so because * the way the leaky bucket model works in libvpx is to allow the buffer to * empty - and then stop showing frames until we've got enough bits to * show one. As noted in comment below (issue 495), this does not currently * apply to key frames. For now exclude key frames in condition below. */ const bool key_frame = (pkt->data.frame.flags & VPX_FRAME_IS_KEY) ? true : false; if (!key_frame) { ASSERT_GE(bits_in_buffer_model_, 0) << "Buffer Underrun at frame " << pkt->data.frame.pts; } const int64_t frame_size_in_bits = pkt->data.frame.sz * 8; // Subtract from the buffer the bits associated with a played back frame. bits_in_buffer_model_ -= frame_size_in_bits; // Update the running total of bits for end of test datarate checks. bits_total_ += frame_size_in_bits; // If first drop not set and we have a drop set it to this time. if (!first_drop_ && duration > 1) first_drop_ = last_pts_ + 1; // Update the most recent pts. last_pts_ = pkt->data.frame.pts; // We update this so that we can calculate the datarate minus the last // frame encoded in the file. bits_in_last_frame_ = frame_size_in_bits; ++frame_number_; } virtual void EndPassHook(void) { if (bits_total_) { const double file_size_in_kb = bits_total_ / 1000.; // bits per kilobit duration_ = (last_pts_ + 1) * timebase_; // Effective file datarate includes the time spent prebuffering. effective_datarate_ = (bits_total_ - bits_in_last_frame_) / 1000.0 / (cfg_.rc_buf_initial_sz / 1000.0 + duration_); file_datarate_ = file_size_in_kb / duration_; } } vpx_codec_pts_t last_pts_; int64_t bits_in_buffer_model_; double timebase_; int frame_number_; vpx_codec_pts_t first_drop_; int64_t bits_total_; double duration_; double file_datarate_; double effective_datarate_; int64_t bits_in_last_frame_; int denoiser_on_; int denoiser_offon_test_; int denoiser_offon_period_; int set_cpu_used_; int gf_boost_; bool use_roi_; vpx_roi_map_t roi_; }; #if CONFIG_TEMPORAL_DENOISING // Check basic datarate targeting, for a single bitrate, but loop over the // various denoiser settings. TEST_P(DatarateTestLarge, DenoiserLevels) { cfg_.rc_buf_initial_sz = 500; cfg_.rc_dropframe_thresh = 1; cfg_.rc_max_quantizer = 56; cfg_.rc_end_usage = VPX_CBR; ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288, 30, 1, 0, 140); for (int j = 1; j < 5; ++j) { // Run over the denoiser levels. // For the temporal denoiser (#if CONFIG_TEMPORAL_DENOISING) the level j // refers to the 4 denoiser modes: denoiserYonly, denoiserOnYUV, // denoiserOnAggressive, and denoiserOnAdaptive. denoiser_on_ = j; cfg_.rc_target_bitrate = 300; ResetModel(); ASSERT_NO_FATAL_FAILURE(RunLoop(&video)); ASSERT_GE(cfg_.rc_target_bitrate, effective_datarate_ * 0.95) << " The datarate for the file exceeds the target!"; ASSERT_LE(cfg_.rc_target_bitrate, file_datarate_ * 1.4) << " The datarate for the file missed the target!"; } } // Check basic datarate targeting, for a single bitrate, when denoiser is off // and on. TEST_P(DatarateTestLarge, DenoiserOffOn) { cfg_.rc_buf_initial_sz = 500; cfg_.rc_dropframe_thresh = 1; cfg_.rc_max_quantizer = 56; cfg_.rc_end_usage = VPX_CBR; ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288, 30, 1, 0, 299); cfg_.rc_target_bitrate = 300; ResetModel(); // The denoiser is off by default. denoiser_on_ = 0; // Set the offon test flag. denoiser_offon_test_ = 1; denoiser_offon_period_ = 100; ASSERT_NO_FATAL_FAILURE(RunLoop(&video)); ASSERT_GE(cfg_.rc_target_bitrate, effective_datarate_ * 0.95) << " The datarate for the file exceeds the target!"; ASSERT_LE(cfg_.rc_target_bitrate, file_datarate_ * 1.4) << " The datarate for the file missed the target!"; } #endif // CONFIG_TEMPORAL_DENOISING TEST_P(DatarateTestLarge, BasicBufferModel) { denoiser_on_ = 0; cfg_.rc_buf_initial_sz = 500; cfg_.rc_dropframe_thresh = 1; cfg_.rc_max_quantizer = 56; cfg_.rc_end_usage = VPX_CBR; // 2 pass cbr datarate control has a bug hidden by the small # of // frames selected in this encode. The problem is that even if the buffer is // negative we produce a keyframe on a cutscene. Ignoring datarate // constraints // TODO(jimbankoski): ( Fix when issue // http://code.google.com/p/webm/issues/detail?id=495 is addressed. ) ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288, 30, 1, 0, 140); // There is an issue for low bitrates in real-time mode, where the // effective_datarate slightly overshoots the target bitrate. // This is same the issue as noted about (#495). // TODO(jimbankoski/marpan): Update test to run for lower bitrates (< 100), // when the issue is resolved. for (int i = 100; i < 800; i += 200) { cfg_.rc_target_bitrate = i; ResetModel(); ASSERT_NO_FATAL_FAILURE(RunLoop(&video)); ASSERT_GE(cfg_.rc_target_bitrate, effective_datarate_ * 0.95) << " The datarate for the file exceeds the target!"; ASSERT_LE(cfg_.rc_target_bitrate, file_datarate_ * 1.4) << " The datarate for the file missed the target!"; } } TEST_P(DatarateTestLarge, ChangingDropFrameThresh) { denoiser_on_ = 0; cfg_.rc_buf_initial_sz = 500; cfg_.rc_max_quantizer = 36; cfg_.rc_end_usage = VPX_CBR; cfg_.rc_target_bitrate = 200; cfg_.kf_mode = VPX_KF_DISABLED; const int frame_count = 40; ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288, 30, 1, 0, frame_count); // Here we check that the first dropped frame gets earlier and earlier // as the drop frame threshold is increased. const int kDropFrameThreshTestStep = 30; vpx_codec_pts_t last_drop = frame_count; for (int i = 1; i < 91; i += kDropFrameThreshTestStep) { cfg_.rc_dropframe_thresh = i; ResetModel(); ASSERT_NO_FATAL_FAILURE(RunLoop(&video)); ASSERT_LE(first_drop_, last_drop) << " The first dropped frame for drop_thresh " << i << " > first dropped frame for drop_thresh " << i - kDropFrameThreshTestStep; last_drop = first_drop_; } } TEST_P(DatarateTestLarge, DropFramesMultiThreads) { denoiser_on_ = 0; cfg_.rc_buf_initial_sz = 500; cfg_.rc_dropframe_thresh = 30; cfg_.rc_max_quantizer = 56; cfg_.rc_end_usage = VPX_CBR; cfg_.g_threads = 2; ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288, 30, 1, 0, 140); cfg_.rc_target_bitrate = 200; ResetModel(); ASSERT_NO_FATAL_FAILURE(RunLoop(&video)); ASSERT_GE(cfg_.rc_target_bitrate, effective_datarate_ * 0.95) << " The datarate for the file exceeds the target!"; ASSERT_LE(cfg_.rc_target_bitrate, file_datarate_ * 1.4) << " The datarate for the file missed the target!"; } class DatarateTestRealTime : public DatarateTestLarge { public: virtual ~DatarateTestRealTime() {} }; #if CONFIG_TEMPORAL_DENOISING // Check basic datarate targeting, for a single bitrate, but loop over the // various denoiser settings. TEST_P(DatarateTestRealTime, DenoiserLevels) { cfg_.rc_buf_initial_sz = 500; cfg_.rc_dropframe_thresh = 1; cfg_.rc_max_quantizer = 56; cfg_.rc_end_usage = VPX_CBR; ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288, 30, 1, 0, 140); for (int j = 1; j < 5; ++j) { // Run over the denoiser levels. // For the temporal denoiser (#if CONFIG_TEMPORAL_DENOISING) the level j // refers to the 4 denoiser modes: denoiserYonly, denoiserOnYUV, // denoiserOnAggressive, and denoiserOnAdaptive. denoiser_on_ = j; cfg_.rc_target_bitrate = 300; ResetModel(); ASSERT_NO_FATAL_FAILURE(RunLoop(&video)); ASSERT_GE(cfg_.rc_target_bitrate, effective_datarate_ * 0.95) << " The datarate for the file exceeds the target!"; ASSERT_LE(cfg_.rc_target_bitrate, file_datarate_ * 1.4) << " The datarate for the file missed the target!"; } } // Check basic datarate targeting, for a single bitrate, when denoiser is off // and on. TEST_P(DatarateTestRealTime, DenoiserOffOn) { cfg_.rc_buf_initial_sz = 500; cfg_.rc_dropframe_thresh = 1; cfg_.rc_max_quantizer = 56; cfg_.rc_end_usage = VPX_CBR; ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288, 30, 1, 0, 299); cfg_.rc_target_bitrate = 300; ResetModel(); // The denoiser is off by default. denoiser_on_ = 0; // Set the offon test flag. denoiser_offon_test_ = 1; denoiser_offon_period_ = 100; ASSERT_NO_FATAL_FAILURE(RunLoop(&video)); ASSERT_GE(cfg_.rc_target_bitrate, effective_datarate_ * 0.95) << " The datarate for the file exceeds the target!"; ASSERT_LE(cfg_.rc_target_bitrate, file_datarate_ * 1.4) << " The datarate for the file missed the target!"; } #endif // CONFIG_TEMPORAL_DENOISING TEST_P(DatarateTestRealTime, BasicBufferModel) { denoiser_on_ = 0; cfg_.rc_buf_initial_sz = 500; cfg_.rc_dropframe_thresh = 1; cfg_.rc_max_quantizer = 56; cfg_.rc_end_usage = VPX_CBR; // 2 pass cbr datarate control has a bug hidden by the small # of // frames selected in this encode. The problem is that even if the buffer is // negative we produce a keyframe on a cutscene, ignoring datarate // constraints // TODO(jimbankoski): Fix when issue // http://bugs.chromium.org/p/webm/issues/detail?id=495 is addressed. ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288, 30, 1, 0, 140); // There is an issue for low bitrates in real-time mode, where the // effective_datarate slightly overshoots the target bitrate. // This is same the issue as noted above (#495). // TODO(jimbankoski/marpan): Update test to run for lower bitrates (< 100), // when the issue is resolved. for (int i = 100; i <= 700; i += 200) { cfg_.rc_target_bitrate = i; ResetModel(); ASSERT_NO_FATAL_FAILURE(RunLoop(&video)); ASSERT_GE(cfg_.rc_target_bitrate, effective_datarate_ * 0.95) << " The datarate for the file exceeds the target!"; ASSERT_LE(cfg_.rc_target_bitrate, file_datarate_ * 1.4) << " The datarate for the file missed the target!"; } } TEST_P(DatarateTestRealTime, ChangingDropFrameThresh) { denoiser_on_ = 0; cfg_.rc_buf_initial_sz = 500; cfg_.rc_max_quantizer = 36; cfg_.rc_end_usage = VPX_CBR; cfg_.rc_target_bitrate = 200; cfg_.kf_mode = VPX_KF_DISABLED; const int frame_count = 40; ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288, 30, 1, 0, frame_count); // Check that the first dropped frame gets earlier and earlier // as the drop frame threshold is increased. const int kDropFrameThreshTestStep = 30; vpx_codec_pts_t last_drop = frame_count; for (int i = 1; i < 91; i += kDropFrameThreshTestStep) { cfg_.rc_dropframe_thresh = i; ResetModel(); ASSERT_NO_FATAL_FAILURE(RunLoop(&video)); ASSERT_LE(first_drop_, last_drop) << " The first dropped frame for drop_thresh " << i << " > first dropped frame for drop_thresh " << i - kDropFrameThreshTestStep; last_drop = first_drop_; } } TEST_P(DatarateTestRealTime, DropFramesMultiThreads) { denoiser_on_ = 0; cfg_.rc_buf_initial_sz = 500; cfg_.rc_dropframe_thresh = 30; cfg_.rc_max_quantizer = 56; cfg_.rc_end_usage = VPX_CBR; // Encode using multiple threads. cfg_.g_threads = 2; ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288, 30, 1, 0, 140); cfg_.rc_target_bitrate = 200; ResetModel(); ASSERT_NO_FATAL_FAILURE(RunLoop(&video)); ASSERT_GE(cfg_.rc_target_bitrate, effective_datarate_ * 0.95) << " The datarate for the file exceeds the target!"; ASSERT_LE(cfg_.rc_target_bitrate, file_datarate_ * 1.4) << " The datarate for the file missed the target!"; } TEST_P(DatarateTestRealTime, RegionOfInterest) { denoiser_on_ = 0; cfg_.rc_buf_initial_sz = 500; cfg_.rc_dropframe_thresh = 0; cfg_.rc_max_quantizer = 56; cfg_.rc_end_usage = VPX_CBR; // Encode using multiple threads. cfg_.g_threads = 2; ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288, 30, 1, 0, 300); cfg_.rc_target_bitrate = 450; cfg_.g_w = 352; cfg_.g_h = 288; ResetModel(); // Set ROI parameters use_roi_ = true; memset(&roi_, 0, sizeof(roi_)); roi_.rows = (cfg_.g_h + 15) / 16; roi_.cols = (cfg_.g_w + 15) / 16; roi_.delta_q[0] = 0; roi_.delta_q[1] = -20; roi_.delta_q[2] = 0; roi_.delta_q[3] = 0; roi_.delta_lf[0] = 0; roi_.delta_lf[1] = -20; roi_.delta_lf[2] = 0; roi_.delta_lf[3] = 0; roi_.static_threshold[0] = 0; roi_.static_threshold[1] = 1000; roi_.static_threshold[2] = 0; roi_.static_threshold[3] = 0; // Use 2 states: 1 is center square, 0 is the rest. roi_.roi_map = (uint8_t *)calloc(roi_.rows * roi_.cols, sizeof(*roi_.roi_map)); for (unsigned int i = 0; i < roi_.rows; ++i) { for (unsigned int j = 0; j < roi_.cols; ++j) { if (i > (roi_.rows >> 2) && i < ((roi_.rows * 3) >> 2) && j > (roi_.cols >> 2) && j < ((roi_.cols * 3) >> 2)) { roi_.roi_map[i * roi_.cols + j] = 1; } } } ASSERT_NO_FATAL_FAILURE(RunLoop(&video)); ASSERT_GE(cfg_.rc_target_bitrate, effective_datarate_ * 0.95) << " The datarate for the file exceeds the target!"; ASSERT_LE(cfg_.rc_target_bitrate, file_datarate_ * 1.4) << " The datarate for the file missed the target!"; free(roi_.roi_map); } TEST_P(DatarateTestRealTime, GFBoost) { denoiser_on_ = 0; cfg_.rc_buf_initial_sz = 500; cfg_.rc_dropframe_thresh = 0; cfg_.rc_max_quantizer = 56; cfg_.rc_end_usage = VPX_CBR; cfg_.g_error_resilient = 0; ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288, 30, 1, 0, 300); cfg_.rc_target_bitrate = 300; ResetModel(); // Apply a gf boost. gf_boost_ = 50; ASSERT_NO_FATAL_FAILURE(RunLoop(&video)); ASSERT_GE(cfg_.rc_target_bitrate, effective_datarate_ * 0.95) << " The datarate for the file exceeds the target!"; ASSERT_LE(cfg_.rc_target_bitrate, file_datarate_ * 1.4) << " The datarate for the file missed the target!"; } VP8_INSTANTIATE_TEST_CASE(DatarateTestLarge, ALL_TEST_MODES, ::testing::Values(0)); VP8_INSTANTIATE_TEST_CASE(DatarateTestRealTime, ::testing::Values(::libvpx_test::kRealTime), ::testing::Values(-6, -12)); } // namespace