979 lines
35 KiB
C++
979 lines
35 KiB
C++
/*
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* Copyright (c) 2012 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "./vpx_config.h"
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#include "third_party/googletest/src/include/gtest/gtest.h"
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#include "test/codec_factory.h"
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#include "test/encode_test_driver.h"
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#include "test/i420_video_source.h"
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#include "test/util.h"
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#include "test/y4m_video_source.h"
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#include "vpx/vpx_codec.h"
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namespace {
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class DatarateTestLarge : public ::libvpx_test::EncoderTest,
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public ::libvpx_test::CodecTestWithParam<libvpx_test::TestMode> {
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public:
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DatarateTestLarge() : EncoderTest(GET_PARAM(0)) {}
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virtual ~DatarateTestLarge() {}
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protected:
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virtual void SetUp() {
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InitializeConfig();
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SetMode(GET_PARAM(1));
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ResetModel();
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}
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virtual void ResetModel() {
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last_pts_ = 0;
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bits_in_buffer_model_ = cfg_.rc_target_bitrate * cfg_.rc_buf_initial_sz;
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frame_number_ = 0;
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first_drop_ = 0;
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bits_total_ = 0;
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duration_ = 0.0;
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denoiser_offon_test_ = 0;
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denoiser_offon_period_ = -1;
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}
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virtual void PreEncodeFrameHook(::libvpx_test::VideoSource *video,
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::libvpx_test::Encoder *encoder) {
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if (video->frame() == 0)
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encoder->Control(VP8E_SET_NOISE_SENSITIVITY, denoiser_on_);
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if (denoiser_offon_test_) {
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ASSERT_GT(denoiser_offon_period_, 0)
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<< "denoiser_offon_period_ is not positive.";
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if ((video->frame() + 1) % denoiser_offon_period_ == 0) {
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// Flip denoiser_on_ periodically
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denoiser_on_ ^= 1;
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}
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encoder->Control(VP8E_SET_NOISE_SENSITIVITY, denoiser_on_);
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}
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const vpx_rational_t tb = video->timebase();
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timebase_ = static_cast<double>(tb.num) / tb.den;
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duration_ = 0;
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}
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virtual void FramePktHook(const vpx_codec_cx_pkt_t *pkt) {
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// Time since last timestamp = duration.
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vpx_codec_pts_t duration = pkt->data.frame.pts - last_pts_;
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// TODO(jimbankoski): Remove these lines when the issue:
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// http://code.google.com/p/webm/issues/detail?id=496 is fixed.
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// For now the codec assumes buffer starts at starting buffer rate
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// plus one frame's time.
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if (last_pts_ == 0)
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duration = 1;
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// Add to the buffer the bits we'd expect from a constant bitrate server.
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bits_in_buffer_model_ += static_cast<int64_t>(
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duration * timebase_ * cfg_.rc_target_bitrate * 1000);
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/* Test the buffer model here before subtracting the frame. Do so because
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* the way the leaky bucket model works in libvpx is to allow the buffer to
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* empty - and then stop showing frames until we've got enough bits to
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* show one. As noted in comment below (issue 495), this does not currently
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* apply to key frames. For now exclude key frames in condition below. */
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const bool key_frame = (pkt->data.frame.flags & VPX_FRAME_IS_KEY)
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? true: false;
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if (!key_frame) {
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ASSERT_GE(bits_in_buffer_model_, 0) << "Buffer Underrun at frame "
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<< pkt->data.frame.pts;
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}
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const size_t frame_size_in_bits = pkt->data.frame.sz * 8;
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// Subtract from the buffer the bits associated with a played back frame.
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bits_in_buffer_model_ -= frame_size_in_bits;
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// Update the running total of bits for end of test datarate checks.
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bits_total_ += frame_size_in_bits;
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// If first drop not set and we have a drop set it to this time.
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if (!first_drop_ && duration > 1)
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first_drop_ = last_pts_ + 1;
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// Update the most recent pts.
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last_pts_ = pkt->data.frame.pts;
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// We update this so that we can calculate the datarate minus the last
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// frame encoded in the file.
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bits_in_last_frame_ = frame_size_in_bits;
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++frame_number_;
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}
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virtual void EndPassHook(void) {
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if (bits_total_) {
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const double file_size_in_kb = bits_total_ / 1000.; // bits per kilobit
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duration_ = (last_pts_ + 1) * timebase_;
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// Effective file datarate includes the time spent prebuffering.
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effective_datarate_ = (bits_total_ - bits_in_last_frame_) / 1000.0
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/ (cfg_.rc_buf_initial_sz / 1000.0 + duration_);
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file_datarate_ = file_size_in_kb / duration_;
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}
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}
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vpx_codec_pts_t last_pts_;
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int64_t bits_in_buffer_model_;
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double timebase_;
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int frame_number_;
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vpx_codec_pts_t first_drop_;
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int64_t bits_total_;
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double duration_;
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double file_datarate_;
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double effective_datarate_;
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size_t bits_in_last_frame_;
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int denoiser_on_;
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int denoiser_offon_test_;
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int denoiser_offon_period_;
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};
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#if CONFIG_TEMPORAL_DENOISING
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// Check basic datarate targeting, for a single bitrate, but loop over the
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// various denoiser settings.
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TEST_P(DatarateTestLarge, DenoiserLevels) {
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cfg_.rc_buf_initial_sz = 500;
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cfg_.rc_dropframe_thresh = 1;
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cfg_.rc_max_quantizer = 56;
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cfg_.rc_end_usage = VPX_CBR;
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::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
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30, 1, 0, 140);
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for (int j = 1; j < 5; ++j) {
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// Run over the denoiser levels.
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// For the temporal denoiser (#if CONFIG_TEMPORAL_DENOISING) the level j
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// refers to the 4 denoiser modes: denoiserYonly, denoiserOnYUV,
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// denoiserOnAggressive, and denoiserOnAdaptive.
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// For the spatial denoiser (if !CONFIG_TEMPORAL_DENOISING), the level j
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// refers to the blur thresholds: 20, 40, 60 80.
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// The j = 0 case (denoiser off) is covered in the tests below.
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denoiser_on_ = j;
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cfg_.rc_target_bitrate = 300;
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ResetModel();
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ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
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ASSERT_GE(cfg_.rc_target_bitrate, effective_datarate_ * 0.95)
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<< " The datarate for the file exceeds the target!";
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ASSERT_LE(cfg_.rc_target_bitrate, file_datarate_ * 1.3)
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<< " The datarate for the file missed the target!";
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}
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}
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// Check basic datarate targeting, for a single bitrate, when denoiser is off
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// and on.
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TEST_P(DatarateTestLarge, DenoiserOffOn) {
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cfg_.rc_buf_initial_sz = 500;
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cfg_.rc_dropframe_thresh = 1;
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cfg_.rc_max_quantizer = 56;
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cfg_.rc_end_usage = VPX_CBR;
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::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
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30, 1, 0, 299);
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cfg_.rc_target_bitrate = 300;
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ResetModel();
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// The denoiser is off by default.
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denoiser_on_ = 0;
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// Set the offon test flag.
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denoiser_offon_test_ = 1;
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denoiser_offon_period_ = 100;
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ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
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ASSERT_GE(cfg_.rc_target_bitrate, effective_datarate_ * 0.95)
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<< " The datarate for the file exceeds the target!";
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ASSERT_LE(cfg_.rc_target_bitrate, file_datarate_ * 1.3)
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<< " The datarate for the file missed the target!";
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}
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#endif // CONFIG_TEMPORAL_DENOISING
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TEST_P(DatarateTestLarge, BasicBufferModel) {
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denoiser_on_ = 0;
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cfg_.rc_buf_initial_sz = 500;
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cfg_.rc_dropframe_thresh = 1;
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cfg_.rc_max_quantizer = 56;
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cfg_.rc_end_usage = VPX_CBR;
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// 2 pass cbr datarate control has a bug hidden by the small # of
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// frames selected in this encode. The problem is that even if the buffer is
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// negative we produce a keyframe on a cutscene. Ignoring datarate
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// constraints
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// TODO(jimbankoski): ( Fix when issue
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// http://code.google.com/p/webm/issues/detail?id=495 is addressed. )
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::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
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30, 1, 0, 140);
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// There is an issue for low bitrates in real-time mode, where the
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// effective_datarate slightly overshoots the target bitrate.
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// This is same the issue as noted about (#495).
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// TODO(jimbankoski/marpan): Update test to run for lower bitrates (< 100),
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// when the issue is resolved.
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for (int i = 100; i < 800; i += 200) {
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cfg_.rc_target_bitrate = i;
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ResetModel();
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ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
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ASSERT_GE(cfg_.rc_target_bitrate, effective_datarate_ * 0.95)
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<< " The datarate for the file exceeds the target!";
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ASSERT_LE(cfg_.rc_target_bitrate, file_datarate_ * 1.3)
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<< " The datarate for the file missed the target!";
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}
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}
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TEST_P(DatarateTestLarge, ChangingDropFrameThresh) {
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denoiser_on_ = 0;
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cfg_.rc_buf_initial_sz = 500;
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cfg_.rc_max_quantizer = 36;
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cfg_.rc_end_usage = VPX_CBR;
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cfg_.rc_target_bitrate = 200;
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cfg_.kf_mode = VPX_KF_DISABLED;
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const int frame_count = 40;
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::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
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30, 1, 0, frame_count);
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// Here we check that the first dropped frame gets earlier and earlier
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// as the drop frame threshold is increased.
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const int kDropFrameThreshTestStep = 30;
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vpx_codec_pts_t last_drop = frame_count;
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for (int i = 1; i < 91; i += kDropFrameThreshTestStep) {
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cfg_.rc_dropframe_thresh = i;
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ResetModel();
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ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
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ASSERT_LE(first_drop_, last_drop)
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<< " The first dropped frame for drop_thresh " << i
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<< " > first dropped frame for drop_thresh "
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<< i - kDropFrameThreshTestStep;
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last_drop = first_drop_;
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}
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}
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class DatarateTestVP9Large : public ::libvpx_test::EncoderTest,
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public ::libvpx_test::CodecTestWith2Params<libvpx_test::TestMode, int> {
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public:
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DatarateTestVP9Large() : EncoderTest(GET_PARAM(0)) {}
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protected:
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virtual ~DatarateTestVP9Large() {}
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virtual void SetUp() {
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InitializeConfig();
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SetMode(GET_PARAM(1));
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set_cpu_used_ = GET_PARAM(2);
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ResetModel();
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}
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virtual void ResetModel() {
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last_pts_ = 0;
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bits_in_buffer_model_ = cfg_.rc_target_bitrate * cfg_.rc_buf_initial_sz;
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frame_number_ = 0;
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tot_frame_number_ = 0;
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first_drop_ = 0;
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num_drops_ = 0;
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// Denoiser is off by default.
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denoiser_on_ = 0;
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// For testing up to 3 layers.
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for (int i = 0; i < 3; ++i) {
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bits_total_[i] = 0;
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}
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denoiser_offon_test_ = 0;
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denoiser_offon_period_ = -1;
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}
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//
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// Frame flags and layer id for temporal layers.
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//
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// For two layers, test pattern is:
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// 1 3
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// 0 2 .....
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// For three layers, test pattern is:
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// 1 3 5 7
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// 2 6
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// 0 4 ....
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// LAST is always update on base/layer 0, GOLDEN is updated on layer 1.
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// For this 3 layer example, the 2nd enhancement layer (layer 2) does not
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// update any reference frames.
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int SetFrameFlags(int frame_num, int num_temp_layers) {
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int frame_flags = 0;
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if (num_temp_layers == 2) {
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if (frame_num % 2 == 0) {
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// Layer 0: predict from L and ARF, update L.
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frame_flags = VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_UPD_GF |
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VP8_EFLAG_NO_UPD_ARF;
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} else {
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// Layer 1: predict from L, G and ARF, and update G.
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frame_flags = VP8_EFLAG_NO_UPD_ARF | VP8_EFLAG_NO_UPD_LAST |
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VP8_EFLAG_NO_UPD_ENTROPY;
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}
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} else if (num_temp_layers == 3) {
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if (frame_num % 4 == 0) {
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// Layer 0: predict from L and ARF; update L.
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frame_flags = VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_UPD_ARF |
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VP8_EFLAG_NO_REF_GF;
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} else if ((frame_num - 2) % 4 == 0) {
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// Layer 1: predict from L, G, ARF; update G.
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frame_flags = VP8_EFLAG_NO_UPD_ARF | VP8_EFLAG_NO_UPD_LAST;
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} else if ((frame_num - 1) % 2 == 0) {
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// Layer 2: predict from L, G, ARF; update none.
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frame_flags = VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_UPD_ARF |
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VP8_EFLAG_NO_UPD_LAST;
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}
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}
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return frame_flags;
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}
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int SetLayerId(int frame_num, int num_temp_layers) {
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int layer_id = 0;
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if (num_temp_layers == 2) {
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if (frame_num % 2 == 0) {
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layer_id = 0;
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} else {
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layer_id = 1;
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}
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} else if (num_temp_layers == 3) {
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if (frame_num % 4 == 0) {
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layer_id = 0;
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} else if ((frame_num - 2) % 4 == 0) {
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layer_id = 1;
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} else if ((frame_num - 1) % 2 == 0) {
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layer_id = 2;
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}
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}
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return layer_id;
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}
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virtual void PreEncodeFrameHook(::libvpx_test::VideoSource *video,
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::libvpx_test::Encoder *encoder) {
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if (video->frame() == 0)
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encoder->Control(VP8E_SET_CPUUSED, set_cpu_used_);
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if (denoiser_offon_test_) {
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ASSERT_GT(denoiser_offon_period_, 0)
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<< "denoiser_offon_period_ is not positive.";
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if ((video->frame() + 1) % denoiser_offon_period_ == 0) {
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// Flip denoiser_on_ periodically
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denoiser_on_ ^= 1;
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}
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}
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encoder->Control(VP9E_SET_NOISE_SENSITIVITY, denoiser_on_);
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if (cfg_.ts_number_layers > 1) {
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if (video->frame() == 0) {
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encoder->Control(VP9E_SET_SVC, 1);
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}
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vpx_svc_layer_id_t layer_id;
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layer_id.spatial_layer_id = 0;
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frame_flags_ = SetFrameFlags(video->frame(), cfg_.ts_number_layers);
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layer_id.temporal_layer_id = SetLayerId(video->frame(),
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cfg_.ts_number_layers);
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encoder->Control(VP9E_SET_SVC_LAYER_ID, &layer_id);
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}
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const vpx_rational_t tb = video->timebase();
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timebase_ = static_cast<double>(tb.num) / tb.den;
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duration_ = 0;
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}
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virtual void FramePktHook(const vpx_codec_cx_pkt_t *pkt) {
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// Time since last timestamp = duration.
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vpx_codec_pts_t duration = pkt->data.frame.pts - last_pts_;
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if (duration > 1) {
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// If first drop not set and we have a drop set it to this time.
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if (!first_drop_)
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first_drop_ = last_pts_ + 1;
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// Update the number of frame drops.
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num_drops_ += static_cast<int>(duration - 1);
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// Update counter for total number of frames (#frames input to encoder).
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// Needed for setting the proper layer_id below.
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tot_frame_number_ += static_cast<int>(duration - 1);
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}
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int layer = SetLayerId(tot_frame_number_, cfg_.ts_number_layers);
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// Add to the buffer the bits we'd expect from a constant bitrate server.
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bits_in_buffer_model_ += static_cast<int64_t>(
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duration * timebase_ * cfg_.rc_target_bitrate * 1000);
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// Buffer should not go negative.
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ASSERT_GE(bits_in_buffer_model_, 0) << "Buffer Underrun at frame "
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<< pkt->data.frame.pts;
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const size_t frame_size_in_bits = pkt->data.frame.sz * 8;
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// Update the total encoded bits. For temporal layers, update the cumulative
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// encoded bits per layer.
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for (int i = layer; i < static_cast<int>(cfg_.ts_number_layers); ++i) {
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bits_total_[i] += frame_size_in_bits;
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}
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// Update the most recent pts.
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last_pts_ = pkt->data.frame.pts;
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++frame_number_;
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++tot_frame_number_;
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}
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virtual void EndPassHook(void) {
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for (int layer = 0; layer < static_cast<int>(cfg_.ts_number_layers);
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++layer) {
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duration_ = (last_pts_ + 1) * timebase_;
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if (bits_total_[layer]) {
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// Effective file datarate:
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effective_datarate_[layer] = (bits_total_[layer] / 1000.0) / duration_;
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}
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}
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}
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vpx_codec_pts_t last_pts_;
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double timebase_;
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int frame_number_; // Counter for number of non-dropped/encoded frames.
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int tot_frame_number_; // Counter for total number of input frames.
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int64_t bits_total_[3];
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double duration_;
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double effective_datarate_[3];
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int set_cpu_used_;
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int64_t bits_in_buffer_model_;
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vpx_codec_pts_t first_drop_;
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int num_drops_;
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int denoiser_on_;
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int denoiser_offon_test_;
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int denoiser_offon_period_;
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};
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// Check basic rate targeting,
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TEST_P(DatarateTestVP9Large, 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 = VPX_CBR;
|
|
cfg_.g_lag_in_frames = 0;
|
|
|
|
::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
|
|
30, 1, 0, 140);
|
|
for (int i = 150; i < 800; i += 200) {
|
|
cfg_.rc_target_bitrate = i;
|
|
ResetModel();
|
|
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
|
|
ASSERT_GE(effective_datarate_[0], cfg_.rc_target_bitrate * 0.85)
|
|
<< " The datarate for the file is lower than target by too much!";
|
|
ASSERT_LE(effective_datarate_[0], cfg_.rc_target_bitrate * 1.15)
|
|
<< " The datarate for the file is greater than target by too much!";
|
|
}
|
|
}
|
|
|
|
// Check basic rate targeting,
|
|
TEST_P(DatarateTestVP9Large, BasicRateTargeting444) {
|
|
::libvpx_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 = VPX_CBR;
|
|
|
|
for (int i = 250; i < 900; i += 200) {
|
|
cfg_.rc_target_bitrate = i;
|
|
ResetModel();
|
|
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
|
|
ASSERT_GE(static_cast<double>(cfg_.rc_target_bitrate),
|
|
effective_datarate_[0] * 0.85)
|
|
<< " The datarate for the file exceeds the target by too much!";
|
|
ASSERT_LE(static_cast<double>(cfg_.rc_target_bitrate),
|
|
effective_datarate_[0] * 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(DatarateTestVP9Large, 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 = VPX_CBR;
|
|
cfg_.rc_target_bitrate = 200;
|
|
cfg_.g_lag_in_frames = 0;
|
|
|
|
::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
|
|
30, 1, 0, 140);
|
|
|
|
const int kDropFrameThreshTestStep = 30;
|
|
vpx_codec_pts_t last_drop = 140;
|
|
int last_num_drops = 0;
|
|
for (int i = 10; i < 100; i += kDropFrameThreshTestStep) {
|
|
cfg_.rc_dropframe_thresh = i;
|
|
ResetModel();
|
|
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
|
|
ASSERT_GE(effective_datarate_[0], cfg_.rc_target_bitrate * 0.85)
|
|
<< " The datarate for the file is lower than target by too much!";
|
|
ASSERT_LE(effective_datarate_[0], 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 * 0.90)
|
|
<< " 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_;
|
|
}
|
|
}
|
|
|
|
// Check basic rate targeting for 2 temporal layers.
|
|
TEST_P(DatarateTestVP9Large, BasicRateTargeting2TemporalLayers) {
|
|
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 = VPX_CBR;
|
|
cfg_.g_lag_in_frames = 0;
|
|
|
|
// 2 Temporal layers, no spatial layers: Framerate decimation (2, 1).
|
|
cfg_.ss_number_layers = 1;
|
|
cfg_.ts_number_layers = 2;
|
|
cfg_.ts_rate_decimator[0] = 2;
|
|
cfg_.ts_rate_decimator[1] = 1;
|
|
|
|
cfg_.temporal_layering_mode = VP9E_TEMPORAL_LAYERING_MODE_BYPASS;
|
|
|
|
if (deadline_ == VPX_DL_REALTIME)
|
|
cfg_.g_error_resilient = 1;
|
|
|
|
::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
|
|
30, 1, 0, 200);
|
|
for (int i = 200; i <= 800; i += 200) {
|
|
cfg_.rc_target_bitrate = i;
|
|
ResetModel();
|
|
// 60-40 bitrate allocation for 2 temporal layers.
|
|
cfg_.layer_target_bitrate[0] = 60 * cfg_.rc_target_bitrate / 100;
|
|
cfg_.layer_target_bitrate[1] = cfg_.rc_target_bitrate;
|
|
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
|
|
for (int j = 0; j < static_cast<int>(cfg_.ts_number_layers); ++j) {
|
|
ASSERT_GE(effective_datarate_[j], cfg_.layer_target_bitrate[j] * 0.85)
|
|
<< " The datarate for the file is lower than target by too much, "
|
|
"for layer: " << j;
|
|
ASSERT_LE(effective_datarate_[j], cfg_.layer_target_bitrate[j] * 1.15)
|
|
<< " The datarate for the file is greater than target by too much, "
|
|
"for layer: " << j;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Check basic rate targeting for 3 temporal layers.
|
|
TEST_P(DatarateTestVP9Large, BasicRateTargeting3TemporalLayers) {
|
|
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 = VPX_CBR;
|
|
cfg_.g_lag_in_frames = 0;
|
|
|
|
// 3 Temporal layers, no spatial layers: Framerate decimation (4, 2, 1).
|
|
cfg_.ss_number_layers = 1;
|
|
cfg_.ts_number_layers = 3;
|
|
cfg_.ts_rate_decimator[0] = 4;
|
|
cfg_.ts_rate_decimator[1] = 2;
|
|
cfg_.ts_rate_decimator[2] = 1;
|
|
|
|
cfg_.temporal_layering_mode = VP9E_TEMPORAL_LAYERING_MODE_BYPASS;
|
|
|
|
::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
|
|
30, 1, 0, 200);
|
|
for (int i = 200; i <= 800; i += 200) {
|
|
cfg_.rc_target_bitrate = i;
|
|
ResetModel();
|
|
// 40-20-40 bitrate allocation for 3 temporal layers.
|
|
cfg_.layer_target_bitrate[0] = 40 * cfg_.rc_target_bitrate / 100;
|
|
cfg_.layer_target_bitrate[1] = 60 * cfg_.rc_target_bitrate / 100;
|
|
cfg_.layer_target_bitrate[2] = cfg_.rc_target_bitrate;
|
|
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
|
|
for (int j = 0; j < static_cast<int>(cfg_.ts_number_layers); ++j) {
|
|
// TODO(yaowu): Work out more stable rc control strategy and
|
|
// Adjust the thresholds to be tighter than .75.
|
|
ASSERT_GE(effective_datarate_[j], cfg_.layer_target_bitrate[j] * 0.75)
|
|
<< " The datarate for the file is lower than target by too much, "
|
|
"for layer: " << j;
|
|
// TODO(yaowu): Work out more stable rc control strategy and
|
|
// Adjust the thresholds to be tighter than 1.25.
|
|
ASSERT_LE(effective_datarate_[j], cfg_.layer_target_bitrate[j] * 1.25)
|
|
<< " The datarate for the file is greater than target by too much, "
|
|
"for layer: " << j;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Check basic rate targeting for 3 temporal layers, with frame dropping.
|
|
// Only for one (low) bitrate with lower max_quantizer, and somewhat higher
|
|
// frame drop threshold, to force frame dropping.
|
|
TEST_P(DatarateTestVP9Large, BasicRateTargeting3TemporalLayersFrameDropping) {
|
|
cfg_.rc_buf_initial_sz = 500;
|
|
cfg_.rc_buf_optimal_sz = 500;
|
|
cfg_.rc_buf_sz = 1000;
|
|
// Set frame drop threshold and rc_max_quantizer to force some frame drops.
|
|
cfg_.rc_dropframe_thresh = 20;
|
|
cfg_.rc_max_quantizer = 45;
|
|
cfg_.rc_min_quantizer = 0;
|
|
cfg_.rc_end_usage = VPX_CBR;
|
|
cfg_.g_lag_in_frames = 0;
|
|
|
|
// 3 Temporal layers, no spatial layers: Framerate decimation (4, 2, 1).
|
|
cfg_.ss_number_layers = 1;
|
|
cfg_.ts_number_layers = 3;
|
|
cfg_.ts_rate_decimator[0] = 4;
|
|
cfg_.ts_rate_decimator[1] = 2;
|
|
cfg_.ts_rate_decimator[2] = 1;
|
|
|
|
cfg_.temporal_layering_mode = VP9E_TEMPORAL_LAYERING_MODE_BYPASS;
|
|
|
|
::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
|
|
30, 1, 0, 200);
|
|
cfg_.rc_target_bitrate = 200;
|
|
ResetModel();
|
|
// 40-20-40 bitrate allocation for 3 temporal layers.
|
|
cfg_.layer_target_bitrate[0] = 40 * cfg_.rc_target_bitrate / 100;
|
|
cfg_.layer_target_bitrate[1] = 60 * cfg_.rc_target_bitrate / 100;
|
|
cfg_.layer_target_bitrate[2] = cfg_.rc_target_bitrate;
|
|
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
|
|
for (int j = 0; j < static_cast<int>(cfg_.ts_number_layers); ++j) {
|
|
ASSERT_GE(effective_datarate_[j], cfg_.layer_target_bitrate[j] * 0.85)
|
|
<< " The datarate for the file is lower than target by too much, "
|
|
"for layer: " << j;
|
|
ASSERT_LE(effective_datarate_[j], cfg_.layer_target_bitrate[j] * 1.15)
|
|
<< " The datarate for the file is greater than target by too much, "
|
|
"for layer: " << j;
|
|
// Expect some frame drops in this test: for this 200 frames test,
|
|
// expect at least 10% and not more than 60% drops.
|
|
ASSERT_GE(num_drops_, 20);
|
|
ASSERT_LE(num_drops_, 130);
|
|
}
|
|
}
|
|
|
|
#if CONFIG_VP9_TEMPORAL_DENOISING
|
|
// Check basic datarate targeting, for a single bitrate, when denoiser is on.
|
|
TEST_P(DatarateTestVP9Large, DenoiserLevels) {
|
|
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 = 2;
|
|
cfg_.rc_max_quantizer = 56;
|
|
cfg_.rc_end_usage = VPX_CBR;
|
|
cfg_.g_lag_in_frames = 0;
|
|
|
|
::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
|
|
30, 1, 0, 140);
|
|
|
|
// For the temporal denoiser (#if CONFIG_VP9_TEMPORAL_DENOISING),
|
|
// there is only one denoiser mode: denoiserYonly(which is 1),
|
|
// but may add more modes in the future.
|
|
cfg_.rc_target_bitrate = 300;
|
|
ResetModel();
|
|
// Turn on the denoiser.
|
|
denoiser_on_ = 1;
|
|
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
|
|
ASSERT_GE(effective_datarate_[0], cfg_.rc_target_bitrate * 0.85)
|
|
<< " The datarate for the file is lower than target by too much!";
|
|
ASSERT_LE(effective_datarate_[0], cfg_.rc_target_bitrate * 1.15)
|
|
<< " The datarate for the file is greater than target by too much!";
|
|
}
|
|
|
|
// Check basic datarate targeting, for a single bitrate, when denoiser is off
|
|
// and on.
|
|
TEST_P(DatarateTestVP9Large, DenoiserOffOn) {
|
|
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 = 2;
|
|
cfg_.rc_max_quantizer = 56;
|
|
cfg_.rc_end_usage = VPX_CBR;
|
|
cfg_.g_lag_in_frames = 0;
|
|
|
|
::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
|
|
30, 1, 0, 299);
|
|
|
|
// For the temporal denoiser (#if CONFIG_VP9_TEMPORAL_DENOISING),
|
|
// there is only one denoiser mode: denoiserYonly(which is 1),
|
|
// but may add more modes in the future.
|
|
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(effective_datarate_[0], cfg_.rc_target_bitrate * 0.85)
|
|
<< " The datarate for the file is lower than target by too much!";
|
|
ASSERT_LE(effective_datarate_[0], cfg_.rc_target_bitrate * 1.15)
|
|
<< " The datarate for the file is greater than target by too much!";
|
|
}
|
|
#endif // CONFIG_VP9_TEMPORAL_DENOISING
|
|
|
|
class DatarateOnePassCbrSvc : public ::libvpx_test::EncoderTest,
|
|
public ::libvpx_test::CodecTestWith2Params<libvpx_test::TestMode, int> {
|
|
public:
|
|
DatarateOnePassCbrSvc() : EncoderTest(GET_PARAM(0)) {}
|
|
virtual ~DatarateOnePassCbrSvc() {}
|
|
protected:
|
|
virtual void SetUp() {
|
|
InitializeConfig();
|
|
SetMode(GET_PARAM(1));
|
|
speed_setting_ = 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;
|
|
mismatch_psnr_ = 0.0;
|
|
mismatch_nframes_ = 0;
|
|
}
|
|
virtual void BeginPassHook(unsigned int /*pass*/) {
|
|
}
|
|
virtual void PreEncodeFrameHook(::libvpx_test::VideoSource *video,
|
|
::libvpx_test::Encoder *encoder) {
|
|
if (video->frame() == 0) {
|
|
int i;
|
|
for (i = 0; i < 2; ++i) {
|
|
svc_params_.max_quantizers[i] = 63;
|
|
svc_params_.min_quantizers[i] = 0;
|
|
}
|
|
svc_params_.scaling_factor_num[0] = 144;
|
|
svc_params_.scaling_factor_den[0] = 288;
|
|
svc_params_.scaling_factor_num[1] = 288;
|
|
svc_params_.scaling_factor_den[1] = 288;
|
|
encoder->Control(VP9E_SET_SVC, 1);
|
|
encoder->Control(VP9E_SET_SVC_PARAMETERS, &svc_params_);
|
|
encoder->Control(VP8E_SET_CPUUSED, speed_setting_);
|
|
encoder->Control(VP9E_SET_TILE_COLUMNS, 0);
|
|
encoder->Control(VP8E_SET_MAX_INTRA_BITRATE_PCT, 300);
|
|
encoder->Control(VP9E_SET_TILE_COLUMNS, (cfg_.g_threads >> 1));
|
|
}
|
|
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) {
|
|
vpx_codec_pts_t duration = pkt->data.frame.pts - last_pts_;
|
|
if (last_pts_ == 0)
|
|
duration = 1;
|
|
bits_in_buffer_model_ += static_cast<int64_t>(
|
|
duration * timebase_ * cfg_.rc_target_bitrate * 1000);
|
|
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 size_t frame_size_in_bits = pkt->data.frame.sz * 8;
|
|
bits_in_buffer_model_ -= frame_size_in_bits;
|
|
bits_total_ += frame_size_in_bits;
|
|
if (!first_drop_ && duration > 1)
|
|
first_drop_ = last_pts_ + 1;
|
|
last_pts_ = pkt->data.frame.pts;
|
|
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_datarate_ = (bits_total_ - bits_in_last_frame_) / 1000.0
|
|
/ (cfg_.rc_buf_initial_sz / 1000.0 + duration_);
|
|
file_datarate_ = file_size_in_kb / duration_;
|
|
}
|
|
}
|
|
|
|
virtual void MismatchHook(const vpx_image_t *img1,
|
|
const vpx_image_t *img2) {
|
|
double mismatch_psnr = compute_psnr(img1, img2);
|
|
mismatch_psnr_ += mismatch_psnr;
|
|
++mismatch_nframes_;
|
|
}
|
|
|
|
unsigned int GetMismatchFrames() {
|
|
return mismatch_nframes_;
|
|
}
|
|
|
|
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_;
|
|
size_t bits_in_last_frame_;
|
|
vpx_svc_extra_cfg_t svc_params_;
|
|
int speed_setting_;
|
|
double mismatch_psnr_;
|
|
int mismatch_nframes_;
|
|
};
|
|
static void assign_layer_bitrates(vpx_codec_enc_cfg_t *const enc_cfg,
|
|
const vpx_svc_extra_cfg_t *svc_params,
|
|
int spatial_layers,
|
|
int temporal_layers,
|
|
int temporal_layering_mode,
|
|
unsigned int total_rate) {
|
|
int sl, spatial_layer_target;
|
|
float total = 0;
|
|
float alloc_ratio[VPX_MAX_LAYERS] = {0};
|
|
for (sl = 0; sl < spatial_layers; ++sl) {
|
|
if (svc_params->scaling_factor_den[sl] > 0) {
|
|
alloc_ratio[sl] = (float)(svc_params->scaling_factor_num[sl] *
|
|
1.0 / svc_params->scaling_factor_den[sl]);
|
|
total += alloc_ratio[sl];
|
|
}
|
|
}
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|
for (sl = 0; sl < spatial_layers; ++sl) {
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enc_cfg->ss_target_bitrate[sl] = spatial_layer_target =
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(unsigned int)(enc_cfg->rc_target_bitrate *
|
|
alloc_ratio[sl] / total);
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const int index = sl * temporal_layers;
|
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if (temporal_layering_mode == 3) {
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|
enc_cfg->layer_target_bitrate[index] =
|
|
spatial_layer_target >> 1;
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|
enc_cfg->layer_target_bitrate[index + 1] =
|
|
(spatial_layer_target >> 1) + (spatial_layer_target >> 2);
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|
enc_cfg->layer_target_bitrate[index + 2] =
|
|
spatial_layer_target;
|
|
} else if (temporal_layering_mode == 2) {
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enc_cfg->layer_target_bitrate[index] =
|
|
spatial_layer_target * 2 / 3;
|
|
enc_cfg->layer_target_bitrate[index + 1] =
|
|
spatial_layer_target;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Check basic rate targeting for 1 pass CBR SVC: 2 spatial layers and
|
|
// 3 temporal layers. Run CIF clip with 1 thread.
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|
TEST_P(DatarateOnePassCbrSvc, OnePassCbrSvc) {
|
|
cfg_.rc_buf_initial_sz = 500;
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|
cfg_.rc_buf_optimal_sz = 500;
|
|
cfg_.rc_buf_sz = 1000;
|
|
cfg_.rc_min_quantizer = 0;
|
|
cfg_.rc_max_quantizer = 63;
|
|
cfg_.rc_end_usage = VPX_CBR;
|
|
cfg_.g_lag_in_frames = 0;
|
|
cfg_.ss_number_layers = 2;
|
|
cfg_.ts_number_layers = 3;
|
|
cfg_.ts_rate_decimator[0] = 4;
|
|
cfg_.ts_rate_decimator[1] = 2;
|
|
cfg_.ts_rate_decimator[2] = 1;
|
|
cfg_.g_error_resilient = 1;
|
|
cfg_.g_threads = 1;
|
|
cfg_.temporal_layering_mode = 3;
|
|
svc_params_.scaling_factor_num[0] = 144;
|
|
svc_params_.scaling_factor_den[0] = 288;
|
|
svc_params_.scaling_factor_num[1] = 288;
|
|
svc_params_.scaling_factor_den[1] = 288;
|
|
// TODO(wonkap/marpan): No frame drop for now, we need to implement correct
|
|
// frame dropping for SVC.
|
|
cfg_.rc_dropframe_thresh = 0;
|
|
::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
|
|
30, 1, 0, 200);
|
|
// TODO(wonkap/marpan): Check that effective_datarate for each layer hits the
|
|
// layer target_bitrate. Also check if test can pass at lower bitrate (~200k).
|
|
for (int i = 400; i <= 800; i += 200) {
|
|
cfg_.rc_target_bitrate = i;
|
|
ResetModel();
|
|
assign_layer_bitrates(&cfg_, &svc_params_, cfg_.ss_number_layers,
|
|
cfg_.ts_number_layers, cfg_.temporal_layering_mode,
|
|
cfg_.rc_target_bitrate);
|
|
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
|
|
ASSERT_GE(cfg_.rc_target_bitrate, effective_datarate_ * 0.85)
|
|
<< " The datarate for the file exceeds the target by too much!";
|
|
ASSERT_LE(cfg_.rc_target_bitrate, file_datarate_ * 1.15)
|
|
<< " The datarate for the file is lower than the target by too much!";
|
|
EXPECT_EQ(GetMismatchFrames(), (unsigned int) 0);
|
|
}
|
|
}
|
|
|
|
// Check basic rate targeting for 1 pass CBR SVC: 2 spatial layers and
|
|
// 3 temporal layers. Run HD clip with 4 threads.
|
|
TEST_P(DatarateOnePassCbrSvc, OnePassCbrSvc4threads) {
|
|
cfg_.rc_buf_initial_sz = 500;
|
|
cfg_.rc_buf_optimal_sz = 500;
|
|
cfg_.rc_buf_sz = 1000;
|
|
cfg_.rc_min_quantizer = 0;
|
|
cfg_.rc_max_quantizer = 63;
|
|
cfg_.rc_end_usage = VPX_CBR;
|
|
cfg_.g_lag_in_frames = 0;
|
|
cfg_.ss_number_layers = 2;
|
|
cfg_.ts_number_layers = 3;
|
|
cfg_.ts_rate_decimator[0] = 4;
|
|
cfg_.ts_rate_decimator[1] = 2;
|
|
cfg_.ts_rate_decimator[2] = 1;
|
|
cfg_.g_error_resilient = 1;
|
|
cfg_.g_threads = 4;
|
|
cfg_.temporal_layering_mode = 3;
|
|
svc_params_.scaling_factor_num[0] = 144;
|
|
svc_params_.scaling_factor_den[0] = 288;
|
|
svc_params_.scaling_factor_num[1] = 288;
|
|
svc_params_.scaling_factor_den[1] = 288;
|
|
// TODO(wonkap/marpan): No frame drop for now, we need to implement correct
|
|
// frame dropping for SVC.
|
|
cfg_.rc_dropframe_thresh = 0;
|
|
::libvpx_test::I420VideoSource video("niklas_1280_720_30.y4m", 1280, 720,
|
|
30, 1, 0, 300);
|
|
cfg_.rc_target_bitrate = 800;
|
|
ResetModel();
|
|
assign_layer_bitrates(&cfg_, &svc_params_, cfg_.ss_number_layers,
|
|
cfg_.ts_number_layers, cfg_.temporal_layering_mode,
|
|
cfg_.rc_target_bitrate);
|
|
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
|
|
ASSERT_GE(cfg_.rc_target_bitrate, effective_datarate_ * 0.85)
|
|
<< " The datarate for the file exceeds the target by too much!";
|
|
ASSERT_LE(cfg_.rc_target_bitrate, file_datarate_ * 1.15)
|
|
<< " The datarate for the file is lower than the target by too much!";
|
|
EXPECT_EQ(GetMismatchFrames(), (unsigned int) 0);
|
|
}
|
|
|
|
VP8_INSTANTIATE_TEST_CASE(DatarateTestLarge, ALL_TEST_MODES);
|
|
VP9_INSTANTIATE_TEST_CASE(DatarateTestVP9Large,
|
|
::testing::Values(::libvpx_test::kOnePassGood,
|
|
::libvpx_test::kRealTime),
|
|
::testing::Range(2, 7));
|
|
VP9_INSTANTIATE_TEST_CASE(DatarateOnePassCbrSvc,
|
|
::testing::Values(::libvpx_test::kRealTime),
|
|
::testing::Range(5, 8));
|
|
} // namespace
|