Index: webrtc/video/vie_encoder_unittest.cc |
diff --git a/webrtc/video/vie_encoder_unittest.cc b/webrtc/video/vie_encoder_unittest.cc |
deleted file mode 100644 |
index 09ac4c95ea09d0f3260bdcd0c65ad0d08ad86696..0000000000000000000000000000000000000000 |
--- a/webrtc/video/vie_encoder_unittest.cc |
+++ /dev/null |
@@ -1,3143 +0,0 @@ |
-/* |
- * Copyright (c) 2016 The WebRTC 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 <algorithm> |
-#include <limits> |
-#include <utility> |
- |
-#include "webrtc/api/video/i420_buffer.h" |
-#include "webrtc/media/base/videoadapter.h" |
-#include "webrtc/modules/video_coding/codecs/vp8/temporal_layers.h" |
-#include "webrtc/modules/video_coding/utility/default_video_bitrate_allocator.h" |
-#include "webrtc/rtc_base/fakeclock.h" |
-#include "webrtc/rtc_base/logging.h" |
-#include "webrtc/system_wrappers/include/metrics_default.h" |
-#include "webrtc/system_wrappers/include/sleep.h" |
-#include "webrtc/test/encoder_settings.h" |
-#include "webrtc/test/fake_encoder.h" |
-#include "webrtc/test/frame_generator.h" |
-#include "webrtc/test/gmock.h" |
-#include "webrtc/test/gtest.h" |
-#include "webrtc/video/send_statistics_proxy.h" |
-#include "webrtc/video/vie_encoder.h" |
- |
-namespace { |
-// TODO(kthelgason): Lower this limit when better testing |
-// on MediaCodec and fallback implementations are in place. |
-const int kMinPixelsPerFrame = 320 * 180; |
-const int kMinFramerateFps = 2; |
-const int64_t kFrameTimeoutMs = 100; |
-} // namespace |
- |
-namespace webrtc { |
- |
-using DegredationPreference = VideoSendStream::DegradationPreference; |
-using ScaleReason = AdaptationObserverInterface::AdaptReason; |
-using ::testing::_; |
-using ::testing::Return; |
- |
-namespace { |
-const size_t kMaxPayloadLength = 1440; |
-const int kTargetBitrateBps = 1000000; |
-const int kLowTargetBitrateBps = kTargetBitrateBps / 10; |
-const int kMaxInitialFramedrop = 4; |
-const int kDefaultFramerate = 30; |
- |
-class TestBuffer : public webrtc::I420Buffer { |
- public: |
- TestBuffer(rtc::Event* event, int width, int height) |
- : I420Buffer(width, height), event_(event) {} |
- |
- private: |
- friend class rtc::RefCountedObject<TestBuffer>; |
- ~TestBuffer() override { |
- if (event_) |
- event_->Set(); |
- } |
- rtc::Event* const event_; |
-}; |
- |
-class CpuOveruseDetectorProxy : public OveruseFrameDetector { |
- public: |
- CpuOveruseDetectorProxy(const CpuOveruseOptions& options, |
- AdaptationObserverInterface* overuse_observer, |
- EncodedFrameObserver* encoder_timing_, |
- CpuOveruseMetricsObserver* metrics_observer) |
- : OveruseFrameDetector(options, |
- overuse_observer, |
- encoder_timing_, |
- metrics_observer), |
- last_target_framerate_fps_(-1) {} |
- virtual ~CpuOveruseDetectorProxy() {} |
- |
- void OnTargetFramerateUpdated(int framerate_fps) override { |
- rtc::CritScope cs(&lock_); |
- last_target_framerate_fps_ = framerate_fps; |
- OveruseFrameDetector::OnTargetFramerateUpdated(framerate_fps); |
- } |
- |
- int GetLastTargetFramerate() { |
- rtc::CritScope cs(&lock_); |
- return last_target_framerate_fps_; |
- } |
- |
- private: |
- rtc::CriticalSection lock_; |
- int last_target_framerate_fps_ GUARDED_BY(lock_); |
-}; |
- |
-class ViEEncoderUnderTest : public ViEEncoder { |
- public: |
- ViEEncoderUnderTest(SendStatisticsProxy* stats_proxy, |
- const VideoSendStream::Config::EncoderSettings& settings) |
- : ViEEncoder(1 /* number_of_cores */, |
- stats_proxy, |
- settings, |
- nullptr /* pre_encode_callback */, |
- nullptr /* encoder_timing */, |
- std::unique_ptr<OveruseFrameDetector>( |
- overuse_detector_proxy_ = new CpuOveruseDetectorProxy( |
- GetCpuOveruseOptions(settings.full_overuse_time), |
- this, |
- nullptr, |
- stats_proxy))) {} |
- |
- void PostTaskAndWait(bool down, AdaptReason reason) { |
- rtc::Event event(false, false); |
- encoder_queue()->PostTask([this, &event, reason, down] { |
- down ? AdaptDown(reason) : AdaptUp(reason); |
- event.Set(); |
- }); |
- ASSERT_TRUE(event.Wait(5000)); |
- } |
- |
- // This is used as a synchronisation mechanism, to make sure that the |
- // encoder queue is not blocked before we start sending it frames. |
- void WaitUntilTaskQueueIsIdle() { |
- rtc::Event event(false, false); |
- encoder_queue()->PostTask([&event] { |
- event.Set(); |
- }); |
- ASSERT_TRUE(event.Wait(5000)); |
- } |
- |
- void TriggerCpuOveruse() { PostTaskAndWait(true, AdaptReason::kCpu); } |
- |
- void TriggerCpuNormalUsage() { PostTaskAndWait(false, AdaptReason::kCpu); } |
- |
- void TriggerQualityLow() { PostTaskAndWait(true, AdaptReason::kQuality); } |
- |
- void TriggerQualityHigh() { PostTaskAndWait(false, AdaptReason::kQuality); } |
- |
- CpuOveruseDetectorProxy* overuse_detector_proxy_; |
-}; |
- |
-class VideoStreamFactory |
- : public VideoEncoderConfig::VideoStreamFactoryInterface { |
- public: |
- explicit VideoStreamFactory(size_t num_temporal_layers, int framerate) |
- : num_temporal_layers_(num_temporal_layers), framerate_(framerate) { |
- EXPECT_GT(num_temporal_layers, 0u); |
- EXPECT_GT(framerate, 0); |
- } |
- |
- private: |
- std::vector<VideoStream> CreateEncoderStreams( |
- int width, |
- int height, |
- const VideoEncoderConfig& encoder_config) override { |
- std::vector<VideoStream> streams = |
- test::CreateVideoStreams(width, height, encoder_config); |
- for (VideoStream& stream : streams) { |
- stream.temporal_layer_thresholds_bps.resize(num_temporal_layers_ - 1); |
- stream.max_framerate = framerate_; |
- } |
- return streams; |
- } |
- |
- const size_t num_temporal_layers_; |
- const int framerate_; |
-}; |
- |
- |
-class AdaptingFrameForwarder : public test::FrameForwarder { |
- public: |
- AdaptingFrameForwarder() : adaptation_enabled_(false) {} |
- ~AdaptingFrameForwarder() override {} |
- |
- void set_adaptation_enabled(bool enabled) { |
- rtc::CritScope cs(&crit_); |
- adaptation_enabled_ = enabled; |
- } |
- |
- bool adaption_enabled() const { |
- rtc::CritScope cs(&crit_); |
- return adaptation_enabled_; |
- } |
- |
- rtc::VideoSinkWants last_wants() const { |
- rtc::CritScope cs(&crit_); |
- return last_wants_; |
- } |
- |
- void IncomingCapturedFrame(const VideoFrame& video_frame) override { |
- int cropped_width = 0; |
- int cropped_height = 0; |
- int out_width = 0; |
- int out_height = 0; |
- if (adaption_enabled()) { |
- if (adapter_.AdaptFrameResolution( |
- video_frame.width(), video_frame.height(), |
- video_frame.timestamp_us() * 1000, &cropped_width, |
- &cropped_height, &out_width, &out_height)) { |
- VideoFrame adapted_frame(new rtc::RefCountedObject<TestBuffer>( |
- nullptr, out_width, out_height), |
- 99, 99, kVideoRotation_0); |
- adapted_frame.set_ntp_time_ms(video_frame.ntp_time_ms()); |
- test::FrameForwarder::IncomingCapturedFrame(adapted_frame); |
- } |
- } else { |
- test::FrameForwarder::IncomingCapturedFrame(video_frame); |
- } |
- } |
- |
- void AddOrUpdateSink(rtc::VideoSinkInterface<VideoFrame>* sink, |
- const rtc::VideoSinkWants& wants) override { |
- rtc::CritScope cs(&crit_); |
- last_wants_ = sink_wants(); |
- adapter_.OnResolutionFramerateRequest(wants.target_pixel_count, |
- wants.max_pixel_count, |
- wants.max_framerate_fps); |
- test::FrameForwarder::AddOrUpdateSink(sink, wants); |
- } |
- cricket::VideoAdapter adapter_; |
- bool adaptation_enabled_ GUARDED_BY(crit_); |
- rtc::VideoSinkWants last_wants_ GUARDED_BY(crit_); |
-}; |
- |
-class MockableSendStatisticsProxy : public SendStatisticsProxy { |
- public: |
- MockableSendStatisticsProxy(Clock* clock, |
- const VideoSendStream::Config& config, |
- VideoEncoderConfig::ContentType content_type) |
- : SendStatisticsProxy(clock, config, content_type) {} |
- |
- VideoSendStream::Stats GetStats() override { |
- rtc::CritScope cs(&lock_); |
- if (mock_stats_) |
- return *mock_stats_; |
- return SendStatisticsProxy::GetStats(); |
- } |
- |
- void SetMockStats(const VideoSendStream::Stats& stats) { |
- rtc::CritScope cs(&lock_); |
- mock_stats_.emplace(stats); |
- } |
- |
- void ResetMockStats() { |
- rtc::CritScope cs(&lock_); |
- mock_stats_.reset(); |
- } |
- |
- private: |
- rtc::CriticalSection lock_; |
- rtc::Optional<VideoSendStream::Stats> mock_stats_ GUARDED_BY(lock_); |
-}; |
- |
-class MockBitrateObserver : public VideoBitrateAllocationObserver { |
- public: |
- MOCK_METHOD1(OnBitrateAllocationUpdated, void(const BitrateAllocation&)); |
-}; |
- |
-} // namespace |
- |
-class ViEEncoderTest : public ::testing::Test { |
- public: |
- static const int kDefaultTimeoutMs = 30 * 1000; |
- |
- ViEEncoderTest() |
- : video_send_config_(VideoSendStream::Config(nullptr)), |
- codec_width_(320), |
- codec_height_(240), |
- max_framerate_(30), |
- fake_encoder_(), |
- stats_proxy_(new MockableSendStatisticsProxy( |
- Clock::GetRealTimeClock(), |
- video_send_config_, |
- webrtc::VideoEncoderConfig::ContentType::kRealtimeVideo)), |
- sink_(&fake_encoder_) {} |
- |
- void SetUp() override { |
- metrics::Reset(); |
- video_send_config_ = VideoSendStream::Config(nullptr); |
- video_send_config_.encoder_settings.encoder = &fake_encoder_; |
- video_send_config_.encoder_settings.payload_name = "FAKE"; |
- video_send_config_.encoder_settings.payload_type = 125; |
- |
- VideoEncoderConfig video_encoder_config; |
- test::FillEncoderConfiguration(1, &video_encoder_config); |
- video_encoder_config.video_stream_factory = |
- new rtc::RefCountedObject<VideoStreamFactory>(1, max_framerate_); |
- video_encoder_config_ = video_encoder_config.Copy(); |
- |
- // Framerate limit is specified by the VideoStreamFactory. |
- std::vector<VideoStream> streams = |
- video_encoder_config.video_stream_factory->CreateEncoderStreams( |
- codec_width_, codec_height_, video_encoder_config); |
- max_framerate_ = streams[0].max_framerate; |
- fake_clock_.SetTimeMicros(1234); |
- |
- ConfigureEncoder(std::move(video_encoder_config), true /* nack_enabled */); |
- } |
- |
- void ConfigureEncoder(VideoEncoderConfig video_encoder_config, |
- bool nack_enabled) { |
- if (vie_encoder_) |
- vie_encoder_->Stop(); |
- vie_encoder_.reset(new ViEEncoderUnderTest( |
- stats_proxy_.get(), video_send_config_.encoder_settings)); |
- vie_encoder_->SetSink(&sink_, false /* rotation_applied */); |
- vie_encoder_->SetSource( |
- &video_source_, |
- VideoSendStream::DegradationPreference::kMaintainFramerate); |
- vie_encoder_->SetStartBitrate(kTargetBitrateBps); |
- vie_encoder_->ConfigureEncoder(std::move(video_encoder_config), |
- kMaxPayloadLength, nack_enabled); |
- vie_encoder_->WaitUntilTaskQueueIsIdle(); |
- } |
- |
- void ResetEncoder(const std::string& payload_name, |
- size_t num_streams, |
- size_t num_temporal_layers, |
- bool nack_enabled, |
- bool screenshare) { |
- video_send_config_.encoder_settings.payload_name = payload_name; |
- |
- VideoEncoderConfig video_encoder_config; |
- video_encoder_config.number_of_streams = num_streams; |
- video_encoder_config.max_bitrate_bps = kTargetBitrateBps; |
- video_encoder_config.video_stream_factory = |
- new rtc::RefCountedObject<VideoStreamFactory>(num_temporal_layers, |
- kDefaultFramerate); |
- video_encoder_config.content_type = |
- screenshare ? VideoEncoderConfig::ContentType::kScreen |
- : VideoEncoderConfig::ContentType::kRealtimeVideo; |
- ConfigureEncoder(std::move(video_encoder_config), nack_enabled); |
- } |
- |
- VideoFrame CreateFrame(int64_t ntp_time_ms, |
- rtc::Event* destruction_event) const { |
- VideoFrame frame(new rtc::RefCountedObject<TestBuffer>( |
- destruction_event, codec_width_, codec_height_), |
- 99, 99, kVideoRotation_0); |
- frame.set_ntp_time_ms(ntp_time_ms); |
- return frame; |
- } |
- |
- VideoFrame CreateFrame(int64_t ntp_time_ms, int width, int height) const { |
- VideoFrame frame( |
- new rtc::RefCountedObject<TestBuffer>(nullptr, width, height), 99, 99, |
- kVideoRotation_0); |
- frame.set_ntp_time_ms(ntp_time_ms); |
- frame.set_timestamp_us(ntp_time_ms * 1000); |
- return frame; |
- } |
- |
- void VerifyNoLimitation(const rtc::VideoSinkWants& wants) { |
- EXPECT_EQ(std::numeric_limits<int>::max(), wants.max_framerate_fps); |
- EXPECT_EQ(std::numeric_limits<int>::max(), wants.max_pixel_count); |
- EXPECT_FALSE(wants.target_pixel_count); |
- } |
- |
- void VerifyFpsEqResolutionEq(const rtc::VideoSinkWants& wants1, |
- const rtc::VideoSinkWants& wants2) { |
- EXPECT_EQ(wants1.max_framerate_fps, wants2.max_framerate_fps); |
- EXPECT_EQ(wants1.max_pixel_count, wants2.max_pixel_count); |
- } |
- |
- void VerifyFpsMaxResolutionLt(const rtc::VideoSinkWants& wants1, |
- const rtc::VideoSinkWants& wants2) { |
- EXPECT_EQ(std::numeric_limits<int>::max(), wants1.max_framerate_fps); |
- EXPECT_LT(wants1.max_pixel_count, wants2.max_pixel_count); |
- EXPECT_GT(wants1.max_pixel_count, 0); |
- } |
- |
- void VerifyFpsMaxResolutionGt(const rtc::VideoSinkWants& wants1, |
- const rtc::VideoSinkWants& wants2) { |
- EXPECT_EQ(std::numeric_limits<int>::max(), wants1.max_framerate_fps); |
- EXPECT_GT(wants1.max_pixel_count, wants2.max_pixel_count); |
- } |
- |
- void VerifyFpsMaxResolutionEq(const rtc::VideoSinkWants& wants1, |
- const rtc::VideoSinkWants& wants2) { |
- EXPECT_EQ(std::numeric_limits<int>::max(), wants1.max_framerate_fps); |
- EXPECT_EQ(wants1.max_pixel_count, wants2.max_pixel_count); |
- } |
- |
- void VerifyFpsLtResolutionEq(const rtc::VideoSinkWants& wants1, |
- const rtc::VideoSinkWants& wants2) { |
- EXPECT_LT(wants1.max_framerate_fps, wants2.max_framerate_fps); |
- EXPECT_EQ(wants1.max_pixel_count, wants2.max_pixel_count); |
- } |
- |
- void VerifyFpsGtResolutionEq(const rtc::VideoSinkWants& wants1, |
- const rtc::VideoSinkWants& wants2) { |
- EXPECT_GT(wants1.max_framerate_fps, wants2.max_framerate_fps); |
- EXPECT_EQ(wants1.max_pixel_count, wants2.max_pixel_count); |
- } |
- |
- void VerifyFpsEqResolutionLt(const rtc::VideoSinkWants& wants1, |
- const rtc::VideoSinkWants& wants2) { |
- EXPECT_EQ(wants1.max_framerate_fps, wants2.max_framerate_fps); |
- EXPECT_LT(wants1.max_pixel_count, wants2.max_pixel_count); |
- EXPECT_GT(wants1.max_pixel_count, 0); |
- } |
- |
- void VerifyFpsEqResolutionGt(const rtc::VideoSinkWants& wants1, |
- const rtc::VideoSinkWants& wants2) { |
- EXPECT_EQ(wants1.max_framerate_fps, wants2.max_framerate_fps); |
- EXPECT_GT(wants1.max_pixel_count, wants2.max_pixel_count); |
- } |
- |
- void VerifyFpsMaxResolutionLt(const rtc::VideoSinkWants& wants, |
- int pixel_count) { |
- EXPECT_EQ(std::numeric_limits<int>::max(), wants.max_framerate_fps); |
- EXPECT_LT(wants.max_pixel_count, pixel_count); |
- EXPECT_GT(wants.max_pixel_count, 0); |
- } |
- |
- void VerifyFpsLtResolutionMax(const rtc::VideoSinkWants& wants, int fps) { |
- EXPECT_LT(wants.max_framerate_fps, fps); |
- EXPECT_EQ(std::numeric_limits<int>::max(), wants.max_pixel_count); |
- EXPECT_FALSE(wants.target_pixel_count); |
- } |
- |
- void VerifyFpsEqResolutionMax(const rtc::VideoSinkWants& wants, |
- int expected_fps) { |
- EXPECT_EQ(expected_fps, wants.max_framerate_fps); |
- EXPECT_EQ(std::numeric_limits<int>::max(), wants.max_pixel_count); |
- EXPECT_FALSE(wants.target_pixel_count); |
- } |
- |
- void WaitForEncodedFrame(int64_t expected_ntp_time) { |
- sink_.WaitForEncodedFrame(expected_ntp_time); |
- fake_clock_.AdvanceTimeMicros(rtc::kNumMicrosecsPerSec / max_framerate_); |
- } |
- |
- bool TimedWaitForEncodedFrame(int64_t expected_ntp_time, int64_t timeout_ms) { |
- bool ok = sink_.TimedWaitForEncodedFrame(expected_ntp_time, timeout_ms); |
- fake_clock_.AdvanceTimeMicros(rtc::kNumMicrosecsPerSec / max_framerate_); |
- return ok; |
- } |
- |
- void WaitForEncodedFrame(uint32_t expected_width, uint32_t expected_height) { |
- sink_.WaitForEncodedFrame(expected_width, expected_height); |
- fake_clock_.AdvanceTimeMicros(rtc::kNumMicrosecsPerSec / max_framerate_); |
- } |
- |
- void ExpectDroppedFrame() { |
- sink_.ExpectDroppedFrame(); |
- fake_clock_.AdvanceTimeMicros(rtc::kNumMicrosecsPerSec / max_framerate_); |
- } |
- |
- bool WaitForFrame(int64_t timeout_ms) { |
- bool ok = sink_.WaitForFrame(timeout_ms); |
- fake_clock_.AdvanceTimeMicros(rtc::kNumMicrosecsPerSec / max_framerate_); |
- return ok; |
- } |
- |
- class TestEncoder : public test::FakeEncoder { |
- public: |
- TestEncoder() |
- : FakeEncoder(Clock::GetRealTimeClock()), |
- continue_encode_event_(false, false) {} |
- |
- VideoCodec codec_config() const { |
- rtc::CritScope lock(&crit_sect_); |
- return config_; |
- } |
- |
- void BlockNextEncode() { |
- rtc::CritScope lock(&local_crit_sect_); |
- block_next_encode_ = true; |
- } |
- |
- VideoEncoder::ScalingSettings GetScalingSettings() const override { |
- rtc::CritScope lock(&local_crit_sect_); |
- if (quality_scaling_) |
- return VideoEncoder::ScalingSettings(true, 1, 2); |
- return VideoEncoder::ScalingSettings(false); |
- } |
- |
- void ContinueEncode() { continue_encode_event_.Set(); } |
- |
- void CheckLastTimeStampsMatch(int64_t ntp_time_ms, |
- uint32_t timestamp) const { |
- rtc::CritScope lock(&local_crit_sect_); |
- EXPECT_EQ(timestamp_, timestamp); |
- EXPECT_EQ(ntp_time_ms_, ntp_time_ms); |
- } |
- |
- void SetQualityScaling(bool b) { |
- rtc::CritScope lock(&local_crit_sect_); |
- quality_scaling_ = b; |
- } |
- |
- void ForceInitEncodeFailure(bool force_failure) { |
- rtc::CritScope lock(&local_crit_sect_); |
- force_init_encode_failed_ = force_failure; |
- } |
- |
- private: |
- int32_t Encode(const VideoFrame& input_image, |
- const CodecSpecificInfo* codec_specific_info, |
- const std::vector<FrameType>* frame_types) override { |
- bool block_encode; |
- { |
- rtc::CritScope lock(&local_crit_sect_); |
- EXPECT_GT(input_image.timestamp(), timestamp_); |
- EXPECT_GT(input_image.ntp_time_ms(), ntp_time_ms_); |
- EXPECT_EQ(input_image.timestamp(), input_image.ntp_time_ms() * 90); |
- |
- timestamp_ = input_image.timestamp(); |
- ntp_time_ms_ = input_image.ntp_time_ms(); |
- last_input_width_ = input_image.width(); |
- last_input_height_ = input_image.height(); |
- block_encode = block_next_encode_; |
- block_next_encode_ = false; |
- } |
- int32_t result = |
- FakeEncoder::Encode(input_image, codec_specific_info, frame_types); |
- if (block_encode) |
- EXPECT_TRUE(continue_encode_event_.Wait(kDefaultTimeoutMs)); |
- return result; |
- } |
- |
- int32_t InitEncode(const VideoCodec* config, |
- int32_t number_of_cores, |
- size_t max_payload_size) override { |
- int res = |
- FakeEncoder::InitEncode(config, number_of_cores, max_payload_size); |
- rtc::CritScope lock(&local_crit_sect_); |
- if (config->codecType == kVideoCodecVP8 && config->VP8().tl_factory) { |
- // Simulate setting up temporal layers, in order to validate the life |
- // cycle of these objects. |
- int num_streams = std::max<int>(1, config->numberOfSimulcastStreams); |
- int num_temporal_layers = |
- std::max<int>(1, config->VP8().numberOfTemporalLayers); |
- for (int i = 0; i < num_streams; ++i) { |
- allocated_temporal_layers_.emplace_back( |
- config->VP8().tl_factory->Create(i, num_temporal_layers, 42)); |
- } |
- } |
- if (force_init_encode_failed_) |
- return -1; |
- return res; |
- } |
- |
- rtc::CriticalSection local_crit_sect_; |
- bool block_next_encode_ GUARDED_BY(local_crit_sect_) = false; |
- rtc::Event continue_encode_event_; |
- uint32_t timestamp_ GUARDED_BY(local_crit_sect_) = 0; |
- int64_t ntp_time_ms_ GUARDED_BY(local_crit_sect_) = 0; |
- int last_input_width_ GUARDED_BY(local_crit_sect_) = 0; |
- int last_input_height_ GUARDED_BY(local_crit_sect_) = 0; |
- bool quality_scaling_ GUARDED_BY(local_crit_sect_) = true; |
- std::vector<std::unique_ptr<TemporalLayers>> allocated_temporal_layers_ |
- GUARDED_BY(local_crit_sect_); |
- bool force_init_encode_failed_ GUARDED_BY(local_crit_sect_) = false; |
- }; |
- |
- class TestSink : public ViEEncoder::EncoderSink { |
- public: |
- explicit TestSink(TestEncoder* test_encoder) |
- : test_encoder_(test_encoder), encoded_frame_event_(false, false) {} |
- |
- void WaitForEncodedFrame(int64_t expected_ntp_time) { |
- EXPECT_TRUE( |
- TimedWaitForEncodedFrame(expected_ntp_time, kDefaultTimeoutMs)); |
- } |
- |
- bool TimedWaitForEncodedFrame(int64_t expected_ntp_time, |
- int64_t timeout_ms) { |
- uint32_t timestamp = 0; |
- if (!encoded_frame_event_.Wait(timeout_ms)) |
- return false; |
- { |
- rtc::CritScope lock(&crit_); |
- timestamp = last_timestamp_; |
- } |
- test_encoder_->CheckLastTimeStampsMatch(expected_ntp_time, timestamp); |
- return true; |
- } |
- |
- void WaitForEncodedFrame(uint32_t expected_width, |
- uint32_t expected_height) { |
- EXPECT_TRUE(encoded_frame_event_.Wait(kDefaultTimeoutMs)); |
- CheckLastFrameSizeMathces(expected_width, expected_height); |
- } |
- |
- void CheckLastFrameSizeMathces(uint32_t expected_width, |
- uint32_t expected_height) { |
- uint32_t width = 0; |
- uint32_t height = 0; |
- { |
- rtc::CritScope lock(&crit_); |
- width = last_width_; |
- height = last_height_; |
- } |
- EXPECT_EQ(expected_height, height); |
- EXPECT_EQ(expected_width, width); |
- } |
- |
- void ExpectDroppedFrame() { EXPECT_FALSE(encoded_frame_event_.Wait(100)); } |
- |
- bool WaitForFrame(int64_t timeout_ms) { |
- return encoded_frame_event_.Wait(timeout_ms); |
- } |
- |
- void SetExpectNoFrames() { |
- rtc::CritScope lock(&crit_); |
- expect_frames_ = false; |
- } |
- |
- int number_of_reconfigurations() const { |
- rtc::CritScope lock(&crit_); |
- return number_of_reconfigurations_; |
- } |
- |
- int last_min_transmit_bitrate() const { |
- rtc::CritScope lock(&crit_); |
- return min_transmit_bitrate_bps_; |
- } |
- |
- private: |
- Result OnEncodedImage( |
- const EncodedImage& encoded_image, |
- const CodecSpecificInfo* codec_specific_info, |
- const RTPFragmentationHeader* fragmentation) override { |
- rtc::CritScope lock(&crit_); |
- EXPECT_TRUE(expect_frames_); |
- last_timestamp_ = encoded_image._timeStamp; |
- last_width_ = encoded_image._encodedWidth; |
- last_height_ = encoded_image._encodedHeight; |
- encoded_frame_event_.Set(); |
- return Result(Result::OK, last_timestamp_); |
- } |
- |
- void OnEncoderConfigurationChanged(std::vector<VideoStream> streams, |
- int min_transmit_bitrate_bps) override { |
- rtc::CriticalSection crit_; |
- ++number_of_reconfigurations_; |
- min_transmit_bitrate_bps_ = min_transmit_bitrate_bps; |
- } |
- |
- rtc::CriticalSection crit_; |
- TestEncoder* test_encoder_; |
- rtc::Event encoded_frame_event_; |
- uint32_t last_timestamp_ = 0; |
- uint32_t last_height_ = 0; |
- uint32_t last_width_ = 0; |
- bool expect_frames_ = true; |
- int number_of_reconfigurations_ = 0; |
- int min_transmit_bitrate_bps_ = 0; |
- }; |
- |
- VideoSendStream::Config video_send_config_; |
- VideoEncoderConfig video_encoder_config_; |
- int codec_width_; |
- int codec_height_; |
- int max_framerate_; |
- TestEncoder fake_encoder_; |
- std::unique_ptr<MockableSendStatisticsProxy> stats_proxy_; |
- TestSink sink_; |
- AdaptingFrameForwarder video_source_; |
- std::unique_ptr<ViEEncoderUnderTest> vie_encoder_; |
- rtc::ScopedFakeClock fake_clock_; |
-}; |
- |
-TEST_F(ViEEncoderTest, EncodeOneFrame) { |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- rtc::Event frame_destroyed_event(false, false); |
- video_source_.IncomingCapturedFrame(CreateFrame(1, &frame_destroyed_event)); |
- WaitForEncodedFrame(1); |
- EXPECT_TRUE(frame_destroyed_event.Wait(kDefaultTimeoutMs)); |
- vie_encoder_->Stop(); |
-} |
- |
-TEST_F(ViEEncoderTest, DropsFramesBeforeFirstOnBitrateUpdated) { |
- // Dropped since no target bitrate has been set. |
- rtc::Event frame_destroyed_event(false, false); |
- video_source_.IncomingCapturedFrame(CreateFrame(1, &frame_destroyed_event)); |
- EXPECT_TRUE(frame_destroyed_event.Wait(kDefaultTimeoutMs)); |
- |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- |
- video_source_.IncomingCapturedFrame(CreateFrame(2, nullptr)); |
- WaitForEncodedFrame(2); |
- vie_encoder_->Stop(); |
-} |
- |
-TEST_F(ViEEncoderTest, DropsFramesWhenRateSetToZero) { |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- video_source_.IncomingCapturedFrame(CreateFrame(1, nullptr)); |
- WaitForEncodedFrame(1); |
- |
- vie_encoder_->OnBitrateUpdated(0, 0, 0); |
- // Dropped since bitrate is zero. |
- video_source_.IncomingCapturedFrame(CreateFrame(2, nullptr)); |
- |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- video_source_.IncomingCapturedFrame(CreateFrame(3, nullptr)); |
- WaitForEncodedFrame(3); |
- vie_encoder_->Stop(); |
-} |
- |
-TEST_F(ViEEncoderTest, DropsFramesWithSameOrOldNtpTimestamp) { |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- video_source_.IncomingCapturedFrame(CreateFrame(1, nullptr)); |
- WaitForEncodedFrame(1); |
- |
- // This frame will be dropped since it has the same ntp timestamp. |
- video_source_.IncomingCapturedFrame(CreateFrame(1, nullptr)); |
- |
- video_source_.IncomingCapturedFrame(CreateFrame(2, nullptr)); |
- WaitForEncodedFrame(2); |
- vie_encoder_->Stop(); |
-} |
- |
-TEST_F(ViEEncoderTest, DropsFrameAfterStop) { |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- |
- video_source_.IncomingCapturedFrame(CreateFrame(1, nullptr)); |
- WaitForEncodedFrame(1); |
- |
- vie_encoder_->Stop(); |
- sink_.SetExpectNoFrames(); |
- rtc::Event frame_destroyed_event(false, false); |
- video_source_.IncomingCapturedFrame(CreateFrame(2, &frame_destroyed_event)); |
- EXPECT_TRUE(frame_destroyed_event.Wait(kDefaultTimeoutMs)); |
-} |
- |
-TEST_F(ViEEncoderTest, DropsPendingFramesOnSlowEncode) { |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- |
- fake_encoder_.BlockNextEncode(); |
- video_source_.IncomingCapturedFrame(CreateFrame(1, nullptr)); |
- WaitForEncodedFrame(1); |
- // Here, the encoder thread will be blocked in the TestEncoder waiting for a |
- // call to ContinueEncode. |
- video_source_.IncomingCapturedFrame(CreateFrame(2, nullptr)); |
- video_source_.IncomingCapturedFrame(CreateFrame(3, nullptr)); |
- fake_encoder_.ContinueEncode(); |
- WaitForEncodedFrame(3); |
- |
- vie_encoder_->Stop(); |
-} |
- |
-TEST_F(ViEEncoderTest, ConfigureEncoderTriggersOnEncoderConfigurationChanged) { |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- EXPECT_EQ(0, sink_.number_of_reconfigurations()); |
- |
- // Capture a frame and wait for it to synchronize with the encoder thread. |
- video_source_.IncomingCapturedFrame(CreateFrame(1, nullptr)); |
- WaitForEncodedFrame(1); |
- // The encoder will have been configured once when the first frame is |
- // received. |
- EXPECT_EQ(1, sink_.number_of_reconfigurations()); |
- |
- VideoEncoderConfig video_encoder_config; |
- test::FillEncoderConfiguration(1, &video_encoder_config); |
- video_encoder_config.min_transmit_bitrate_bps = 9999; |
- vie_encoder_->ConfigureEncoder(std::move(video_encoder_config), |
- kMaxPayloadLength, true /* nack_enabled */); |
- |
- // Capture a frame and wait for it to synchronize with the encoder thread. |
- video_source_.IncomingCapturedFrame(CreateFrame(2, nullptr)); |
- WaitForEncodedFrame(2); |
- EXPECT_EQ(2, sink_.number_of_reconfigurations()); |
- EXPECT_EQ(9999, sink_.last_min_transmit_bitrate()); |
- |
- vie_encoder_->Stop(); |
-} |
- |
-TEST_F(ViEEncoderTest, FrameResolutionChangeReconfigureEncoder) { |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- |
- // Capture a frame and wait for it to synchronize with the encoder thread. |
- video_source_.IncomingCapturedFrame(CreateFrame(1, nullptr)); |
- WaitForEncodedFrame(1); |
- // The encoder will have been configured once. |
- EXPECT_EQ(1, sink_.number_of_reconfigurations()); |
- EXPECT_EQ(codec_width_, fake_encoder_.codec_config().width); |
- EXPECT_EQ(codec_height_, fake_encoder_.codec_config().height); |
- |
- codec_width_ *= 2; |
- codec_height_ *= 2; |
- // Capture a frame with a higher resolution and wait for it to synchronize |
- // with the encoder thread. |
- video_source_.IncomingCapturedFrame(CreateFrame(2, nullptr)); |
- WaitForEncodedFrame(2); |
- EXPECT_EQ(codec_width_, fake_encoder_.codec_config().width); |
- EXPECT_EQ(codec_height_, fake_encoder_.codec_config().height); |
- EXPECT_EQ(2, sink_.number_of_reconfigurations()); |
- |
- vie_encoder_->Stop(); |
-} |
- |
-TEST_F(ViEEncoderTest, Vp8ResilienceIsOffFor1S1TLWithNackEnabled) { |
- const bool kNackEnabled = true; |
- const size_t kNumStreams = 1; |
- const size_t kNumTl = 1; |
- ResetEncoder("VP8", kNumStreams, kNumTl, kNackEnabled, false); |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- |
- // Capture a frame and wait for it to synchronize with the encoder thread. |
- video_source_.IncomingCapturedFrame(CreateFrame(1, nullptr)); |
- WaitForEncodedFrame(1); |
- // The encoder have been configured once when the first frame is received. |
- EXPECT_EQ(1, sink_.number_of_reconfigurations()); |
- EXPECT_EQ(kVideoCodecVP8, fake_encoder_.codec_config().codecType); |
- EXPECT_EQ(kNumStreams, fake_encoder_.codec_config().numberOfSimulcastStreams); |
- EXPECT_EQ(kNumTl, fake_encoder_.codec_config().VP8()->numberOfTemporalLayers); |
- // Resilience is off for no temporal layers with nack on. |
- EXPECT_EQ(kResilienceOff, fake_encoder_.codec_config().VP8()->resilience); |
- vie_encoder_->Stop(); |
-} |
- |
-TEST_F(ViEEncoderTest, Vp8ResilienceIsOffFor2S1TlWithNackEnabled) { |
- const bool kNackEnabled = true; |
- const size_t kNumStreams = 2; |
- const size_t kNumTl = 1; |
- ResetEncoder("VP8", kNumStreams, kNumTl, kNackEnabled, false); |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- |
- // Capture a frame and wait for it to synchronize with the encoder thread. |
- video_source_.IncomingCapturedFrame(CreateFrame(1, nullptr)); |
- WaitForEncodedFrame(1); |
- // The encoder have been configured once when the first frame is received. |
- EXPECT_EQ(1, sink_.number_of_reconfigurations()); |
- EXPECT_EQ(kVideoCodecVP8, fake_encoder_.codec_config().codecType); |
- EXPECT_EQ(kNumStreams, fake_encoder_.codec_config().numberOfSimulcastStreams); |
- EXPECT_EQ(kNumTl, fake_encoder_.codec_config().VP8()->numberOfTemporalLayers); |
- // Resilience is off for no temporal layers and >1 streams with nack on. |
- EXPECT_EQ(kResilienceOff, fake_encoder_.codec_config().VP8()->resilience); |
- vie_encoder_->Stop(); |
-} |
- |
-TEST_F(ViEEncoderTest, Vp8ResilienceIsOnFor1S1TLWithNackDisabled) { |
- const bool kNackEnabled = false; |
- const size_t kNumStreams = 1; |
- const size_t kNumTl = 1; |
- ResetEncoder("VP8", kNumStreams, kNumTl, kNackEnabled, false); |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- |
- // Capture a frame and wait for it to synchronize with the encoder thread. |
- video_source_.IncomingCapturedFrame(CreateFrame(1, nullptr)); |
- WaitForEncodedFrame(1); |
- // The encoder have been configured once when the first frame is received. |
- EXPECT_EQ(1, sink_.number_of_reconfigurations()); |
- EXPECT_EQ(kVideoCodecVP8, fake_encoder_.codec_config().codecType); |
- EXPECT_EQ(kNumStreams, fake_encoder_.codec_config().numberOfSimulcastStreams); |
- EXPECT_EQ(kNumTl, fake_encoder_.codec_config().VP8()->numberOfTemporalLayers); |
- // Resilience is on for no temporal layers with nack off. |
- EXPECT_EQ(kResilientStream, fake_encoder_.codec_config().VP8()->resilience); |
- vie_encoder_->Stop(); |
-} |
- |
-TEST_F(ViEEncoderTest, Vp8ResilienceIsOnFor1S2TlWithNackEnabled) { |
- const bool kNackEnabled = true; |
- const size_t kNumStreams = 1; |
- const size_t kNumTl = 2; |
- ResetEncoder("VP8", kNumStreams, kNumTl, kNackEnabled, false); |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- |
- // Capture a frame and wait for it to synchronize with the encoder thread. |
- video_source_.IncomingCapturedFrame(CreateFrame(1, nullptr)); |
- WaitForEncodedFrame(1); |
- // The encoder have been configured once when the first frame is received. |
- EXPECT_EQ(1, sink_.number_of_reconfigurations()); |
- EXPECT_EQ(kVideoCodecVP8, fake_encoder_.codec_config().codecType); |
- EXPECT_EQ(kNumStreams, fake_encoder_.codec_config().numberOfSimulcastStreams); |
- EXPECT_EQ(kNumTl, fake_encoder_.codec_config().VP8()->numberOfTemporalLayers); |
- // Resilience is on for temporal layers. |
- EXPECT_EQ(kResilientStream, fake_encoder_.codec_config().VP8()->resilience); |
- vie_encoder_->Stop(); |
-} |
- |
-TEST_F(ViEEncoderTest, SwitchSourceDeregisterEncoderAsSink) { |
- EXPECT_TRUE(video_source_.has_sinks()); |
- test::FrameForwarder new_video_source; |
- vie_encoder_->SetSource( |
- &new_video_source, |
- VideoSendStream::DegradationPreference::kMaintainFramerate); |
- EXPECT_FALSE(video_source_.has_sinks()); |
- EXPECT_TRUE(new_video_source.has_sinks()); |
- |
- vie_encoder_->Stop(); |
-} |
- |
-TEST_F(ViEEncoderTest, SinkWantsRotationApplied) { |
- EXPECT_FALSE(video_source_.sink_wants().rotation_applied); |
- vie_encoder_->SetSink(&sink_, true /*rotation_applied*/); |
- EXPECT_TRUE(video_source_.sink_wants().rotation_applied); |
- vie_encoder_->Stop(); |
-} |
- |
-TEST_F(ViEEncoderTest, SinkWantsFromOveruseDetector) { |
- const int kMaxDowngrades = ViEEncoder::kMaxCpuResolutionDowngrades; |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- |
- VerifyNoLimitation(video_source_.sink_wants()); |
- |
- int frame_width = 1280; |
- int frame_height = 720; |
- |
- // Trigger CPU overuse kMaxCpuDowngrades times. Every time, ViEEncoder should |
- // request lower resolution. |
- for (int i = 1; i <= kMaxDowngrades; ++i) { |
- video_source_.IncomingCapturedFrame( |
- CreateFrame(i, frame_width, frame_height)); |
- WaitForEncodedFrame(i); |
- |
- vie_encoder_->TriggerCpuOveruse(); |
- |
- EXPECT_FALSE(video_source_.sink_wants().target_pixel_count); |
- EXPECT_LT(video_source_.sink_wants().max_pixel_count, |
- frame_width * frame_height); |
- EXPECT_TRUE(stats_proxy_->GetStats().cpu_limited_resolution); |
- EXPECT_EQ(i, stats_proxy_->GetStats().number_of_cpu_adapt_changes); |
- |
- frame_width /= 2; |
- frame_height /= 2; |
- } |
- |
- // Trigger CPU overuse one more time. This should not trigger a request for |
- // lower resolution. |
- rtc::VideoSinkWants current_wants = video_source_.sink_wants(); |
- video_source_.IncomingCapturedFrame( |
- CreateFrame(kMaxDowngrades + 1, frame_width, frame_height)); |
- WaitForEncodedFrame(kMaxDowngrades + 1); |
- vie_encoder_->TriggerCpuOveruse(); |
- EXPECT_EQ(video_source_.sink_wants().target_pixel_count, |
- current_wants.target_pixel_count); |
- EXPECT_EQ(video_source_.sink_wants().max_pixel_count, |
- current_wants.max_pixel_count); |
- EXPECT_TRUE(stats_proxy_->GetStats().cpu_limited_resolution); |
- EXPECT_EQ(kMaxDowngrades, |
- stats_proxy_->GetStats().number_of_cpu_adapt_changes); |
- |
- // Trigger CPU normal use. |
- vie_encoder_->TriggerCpuNormalUsage(); |
- EXPECT_EQ(frame_width * frame_height * 5 / 3, |
- video_source_.sink_wants().target_pixel_count.value_or(0)); |
- EXPECT_EQ(frame_width * frame_height * 4, |
- video_source_.sink_wants().max_pixel_count); |
- EXPECT_TRUE(stats_proxy_->GetStats().cpu_limited_resolution); |
- EXPECT_EQ(kMaxDowngrades + 1, |
- stats_proxy_->GetStats().number_of_cpu_adapt_changes); |
- |
- vie_encoder_->Stop(); |
-} |
- |
-TEST_F(ViEEncoderTest, TestMaxCpuResolutionDowngrades_BalancedMode_NoFpsLimit) { |
- const int kMaxDowngrades = ViEEncoder::kMaxCpuResolutionDowngrades; |
- const int kWidth = 1280; |
- const int kHeight = 720; |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- |
- // Enable kBalanced preference, no initial limitation. |
- AdaptingFrameForwarder source; |
- source.set_adaptation_enabled(true); |
- vie_encoder_->SetSource(&source, |
- VideoSendStream::DegradationPreference::kBalanced); |
- VerifyNoLimitation(source.sink_wants()); |
- EXPECT_FALSE(stats_proxy_->GetStats().cpu_limited_resolution); |
- EXPECT_EQ(0, stats_proxy_->GetStats().number_of_cpu_adapt_changes); |
- |
- // Trigger adapt down kMaxCpuDowngrades times. |
- int t = 1; |
- for (int i = 1; i <= kMaxDowngrades; ++i) { |
- source.IncomingCapturedFrame(CreateFrame(t, kWidth, kHeight)); |
- sink_.WaitForEncodedFrame(t++); |
- vie_encoder_->TriggerCpuOveruse(); |
- VerifyFpsMaxResolutionLt(source.sink_wants(), source.last_wants()); |
- EXPECT_TRUE(stats_proxy_->GetStats().cpu_limited_resolution); |
- EXPECT_EQ(i, stats_proxy_->GetStats().number_of_cpu_adapt_changes); |
- } |
- |
- // Trigger adapt down, max cpu downgrades reach, expect no change. |
- rtc::VideoSinkWants last_wants = source.sink_wants(); |
- source.IncomingCapturedFrame(CreateFrame(t, kWidth, kHeight)); |
- sink_.WaitForEncodedFrame(t++); |
- vie_encoder_->TriggerCpuOveruse(); |
- VerifyFpsEqResolutionEq(source.sink_wants(), last_wants); |
- EXPECT_EQ(last_wants.max_pixel_count, source.sink_wants().max_pixel_count); |
- EXPECT_TRUE(stats_proxy_->GetStats().cpu_limited_resolution); |
- EXPECT_EQ(kMaxDowngrades, |
- stats_proxy_->GetStats().number_of_cpu_adapt_changes); |
- |
- // Trigger adapt up kMaxCpuDowngrades times. |
- for (int i = 1; i <= kMaxDowngrades; ++i) { |
- source.IncomingCapturedFrame(CreateFrame(t, kWidth, kHeight)); |
- sink_.WaitForEncodedFrame(t++); |
- vie_encoder_->TriggerCpuNormalUsage(); |
- VerifyFpsMaxResolutionGt(source.sink_wants(), source.last_wants()); |
- EXPECT_GT(source.sink_wants().max_pixel_count, last_wants.max_pixel_count); |
- EXPECT_EQ(kMaxDowngrades + i, |
- stats_proxy_->GetStats().number_of_cpu_adapt_changes); |
- } |
- |
- VerifyNoLimitation(source.sink_wants()); |
- EXPECT_FALSE(stats_proxy_->GetStats().cpu_limited_resolution); |
- |
- vie_encoder_->Stop(); |
-} |
-TEST_F(ViEEncoderTest, SinkWantsStoredByDegradationPreference) { |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- VerifyNoLimitation(video_source_.sink_wants()); |
- |
- const int kFrameWidth = 1280; |
- const int kFrameHeight = 720; |
- const int kFrameIntervalMs = 1000 / 30; |
- |
- int frame_timestamp = 1; |
- |
- video_source_.IncomingCapturedFrame( |
- CreateFrame(frame_timestamp, kFrameWidth, kFrameHeight)); |
- WaitForEncodedFrame(frame_timestamp); |
- frame_timestamp += kFrameIntervalMs; |
- |
- // Trigger CPU overuse. |
- vie_encoder_->TriggerCpuOveruse(); |
- video_source_.IncomingCapturedFrame( |
- CreateFrame(frame_timestamp, kFrameWidth, kFrameHeight)); |
- WaitForEncodedFrame(frame_timestamp); |
- frame_timestamp += kFrameIntervalMs; |
- |
- // Default degradation preference is maintain-framerate, so will lower max |
- // wanted resolution. |
- EXPECT_FALSE(video_source_.sink_wants().target_pixel_count); |
- EXPECT_LT(video_source_.sink_wants().max_pixel_count, |
- kFrameWidth * kFrameHeight); |
- EXPECT_EQ(std::numeric_limits<int>::max(), |
- video_source_.sink_wants().max_framerate_fps); |
- |
- // Set new source, switch to maintain-resolution. |
- test::FrameForwarder new_video_source; |
- vie_encoder_->SetSource( |
- &new_video_source, |
- VideoSendStream::DegradationPreference::kMaintainResolution); |
- |
- // Initially no degradation registered. |
- VerifyNoLimitation(new_video_source.sink_wants()); |
- |
- // Force an input frame rate to be available, or the adaptation call won't |
- // know what framerate to adapt form. |
- const int kInputFps = 30; |
- VideoSendStream::Stats stats = stats_proxy_->GetStats(); |
- stats.input_frame_rate = kInputFps; |
- stats_proxy_->SetMockStats(stats); |
- |
- vie_encoder_->TriggerCpuOveruse(); |
- new_video_source.IncomingCapturedFrame( |
- CreateFrame(frame_timestamp, kFrameWidth, kFrameHeight)); |
- WaitForEncodedFrame(frame_timestamp); |
- frame_timestamp += kFrameIntervalMs; |
- |
- // Some framerate constraint should be set. |
- EXPECT_FALSE(new_video_source.sink_wants().target_pixel_count); |
- EXPECT_EQ(std::numeric_limits<int>::max(), |
- new_video_source.sink_wants().max_pixel_count); |
- EXPECT_LT(new_video_source.sink_wants().max_framerate_fps, kInputFps); |
- |
- // Turn off degradation completely. |
- vie_encoder_->SetSource( |
- &new_video_source, |
- VideoSendStream::DegradationPreference::kDegradationDisabled); |
- VerifyNoLimitation(new_video_source.sink_wants()); |
- |
- vie_encoder_->TriggerCpuOveruse(); |
- new_video_source.IncomingCapturedFrame( |
- CreateFrame(frame_timestamp, kFrameWidth, kFrameHeight)); |
- WaitForEncodedFrame(frame_timestamp); |
- frame_timestamp += kFrameIntervalMs; |
- |
- // Still no degradation. |
- VerifyNoLimitation(new_video_source.sink_wants()); |
- |
- // Calling SetSource with resolution scaling enabled apply the old SinkWants. |
- vie_encoder_->SetSource( |
- &new_video_source, |
- VideoSendStream::DegradationPreference::kMaintainFramerate); |
- EXPECT_LT(new_video_source.sink_wants().max_pixel_count, |
- kFrameWidth * kFrameHeight); |
- EXPECT_FALSE(new_video_source.sink_wants().target_pixel_count); |
- EXPECT_EQ(std::numeric_limits<int>::max(), |
- new_video_source.sink_wants().max_framerate_fps); |
- |
- // Calling SetSource with framerate scaling enabled apply the old SinkWants. |
- vie_encoder_->SetSource( |
- &new_video_source, |
- VideoSendStream::DegradationPreference::kMaintainResolution); |
- EXPECT_FALSE(new_video_source.sink_wants().target_pixel_count); |
- EXPECT_EQ(std::numeric_limits<int>::max(), |
- new_video_source.sink_wants().max_pixel_count); |
- EXPECT_LT(new_video_source.sink_wants().max_framerate_fps, kInputFps); |
- |
- vie_encoder_->Stop(); |
-} |
- |
-TEST_F(ViEEncoderTest, StatsTracksQualityAdaptationStats) { |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- |
- const int kWidth = 1280; |
- const int kHeight = 720; |
- video_source_.IncomingCapturedFrame(CreateFrame(1, kWidth, kHeight)); |
- WaitForEncodedFrame(1); |
- VideoSendStream::Stats stats = stats_proxy_->GetStats(); |
- EXPECT_FALSE(stats.bw_limited_resolution); |
- EXPECT_EQ(0, stats.number_of_quality_adapt_changes); |
- |
- // Trigger adapt down. |
- vie_encoder_->TriggerQualityLow(); |
- video_source_.IncomingCapturedFrame(CreateFrame(2, kWidth, kHeight)); |
- WaitForEncodedFrame(2); |
- |
- stats = stats_proxy_->GetStats(); |
- EXPECT_TRUE(stats.bw_limited_resolution); |
- EXPECT_EQ(1, stats.number_of_quality_adapt_changes); |
- |
- // Trigger adapt up. |
- vie_encoder_->TriggerQualityHigh(); |
- video_source_.IncomingCapturedFrame(CreateFrame(3, kWidth, kHeight)); |
- WaitForEncodedFrame(3); |
- |
- stats = stats_proxy_->GetStats(); |
- EXPECT_FALSE(stats.bw_limited_resolution); |
- EXPECT_EQ(2, stats.number_of_quality_adapt_changes); |
- EXPECT_EQ(0, stats.number_of_cpu_adapt_changes); |
- |
- vie_encoder_->Stop(); |
-} |
- |
-TEST_F(ViEEncoderTest, StatsTracksCpuAdaptationStats) { |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- |
- const int kWidth = 1280; |
- const int kHeight = 720; |
- video_source_.IncomingCapturedFrame(CreateFrame(1, kWidth, kHeight)); |
- WaitForEncodedFrame(1); |
- VideoSendStream::Stats stats = stats_proxy_->GetStats(); |
- EXPECT_FALSE(stats.cpu_limited_resolution); |
- EXPECT_EQ(0, stats.number_of_cpu_adapt_changes); |
- |
- // Trigger CPU overuse. |
- vie_encoder_->TriggerCpuOveruse(); |
- video_source_.IncomingCapturedFrame(CreateFrame(2, kWidth, kHeight)); |
- WaitForEncodedFrame(2); |
- |
- stats = stats_proxy_->GetStats(); |
- EXPECT_TRUE(stats.cpu_limited_resolution); |
- EXPECT_EQ(1, stats.number_of_cpu_adapt_changes); |
- |
- // Trigger CPU normal use. |
- vie_encoder_->TriggerCpuNormalUsage(); |
- video_source_.IncomingCapturedFrame(CreateFrame(3, kWidth, kHeight)); |
- WaitForEncodedFrame(3); |
- |
- stats = stats_proxy_->GetStats(); |
- EXPECT_FALSE(stats.cpu_limited_resolution); |
- EXPECT_EQ(2, stats.number_of_cpu_adapt_changes); |
- EXPECT_EQ(0, stats.number_of_quality_adapt_changes); |
- |
- vie_encoder_->Stop(); |
-} |
- |
-TEST_F(ViEEncoderTest, SwitchingSourceKeepsCpuAdaptation) { |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- |
- const int kWidth = 1280; |
- const int kHeight = 720; |
- video_source_.IncomingCapturedFrame(CreateFrame(1, kWidth, kHeight)); |
- WaitForEncodedFrame(1); |
- VideoSendStream::Stats stats = stats_proxy_->GetStats(); |
- EXPECT_FALSE(stats.bw_limited_resolution); |
- EXPECT_FALSE(stats.cpu_limited_resolution); |
- EXPECT_EQ(0, stats.number_of_cpu_adapt_changes); |
- |
- // Trigger CPU overuse. |
- vie_encoder_->TriggerCpuOveruse(); |
- video_source_.IncomingCapturedFrame(CreateFrame(2, kWidth, kHeight)); |
- WaitForEncodedFrame(2); |
- stats = stats_proxy_->GetStats(); |
- EXPECT_FALSE(stats.bw_limited_resolution); |
- EXPECT_TRUE(stats.cpu_limited_resolution); |
- EXPECT_EQ(1, stats.number_of_cpu_adapt_changes); |
- |
- // Set new source with adaptation still enabled. |
- test::FrameForwarder new_video_source; |
- vie_encoder_->SetSource( |
- &new_video_source, |
- VideoSendStream::DegradationPreference::kMaintainFramerate); |
- |
- new_video_source.IncomingCapturedFrame(CreateFrame(3, kWidth, kHeight)); |
- WaitForEncodedFrame(3); |
- stats = stats_proxy_->GetStats(); |
- EXPECT_FALSE(stats.bw_limited_resolution); |
- EXPECT_TRUE(stats.cpu_limited_resolution); |
- EXPECT_EQ(1, stats.number_of_cpu_adapt_changes); |
- |
- // Set adaptation disabled. |
- vie_encoder_->SetSource( |
- &new_video_source, |
- VideoSendStream::DegradationPreference::kDegradationDisabled); |
- |
- new_video_source.IncomingCapturedFrame(CreateFrame(4, kWidth, kHeight)); |
- WaitForEncodedFrame(4); |
- stats = stats_proxy_->GetStats(); |
- EXPECT_FALSE(stats.bw_limited_resolution); |
- EXPECT_FALSE(stats.cpu_limited_resolution); |
- EXPECT_EQ(1, stats.number_of_cpu_adapt_changes); |
- |
- // Set adaptation back to enabled. |
- vie_encoder_->SetSource( |
- &new_video_source, |
- VideoSendStream::DegradationPreference::kMaintainFramerate); |
- |
- new_video_source.IncomingCapturedFrame(CreateFrame(5, kWidth, kHeight)); |
- WaitForEncodedFrame(5); |
- stats = stats_proxy_->GetStats(); |
- EXPECT_FALSE(stats.bw_limited_resolution); |
- EXPECT_TRUE(stats.cpu_limited_resolution); |
- EXPECT_EQ(1, stats.number_of_cpu_adapt_changes); |
- |
- // Trigger CPU normal use. |
- vie_encoder_->TriggerCpuNormalUsage(); |
- new_video_source.IncomingCapturedFrame(CreateFrame(6, kWidth, kHeight)); |
- WaitForEncodedFrame(6); |
- stats = stats_proxy_->GetStats(); |
- EXPECT_FALSE(stats.bw_limited_resolution); |
- EXPECT_FALSE(stats.cpu_limited_resolution); |
- EXPECT_EQ(2, stats.number_of_cpu_adapt_changes); |
- EXPECT_EQ(0, stats.number_of_quality_adapt_changes); |
- |
- vie_encoder_->Stop(); |
-} |
- |
-TEST_F(ViEEncoderTest, SwitchingSourceKeepsQualityAdaptation) { |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- |
- const int kWidth = 1280; |
- const int kHeight = 720; |
- video_source_.IncomingCapturedFrame(CreateFrame(1, kWidth, kHeight)); |
- WaitForEncodedFrame(1); |
- VideoSendStream::Stats stats = stats_proxy_->GetStats(); |
- EXPECT_FALSE(stats.bw_limited_resolution); |
- EXPECT_FALSE(stats.bw_limited_framerate); |
- EXPECT_EQ(0, stats.number_of_quality_adapt_changes); |
- |
- // Set new source with adaptation still enabled. |
- test::FrameForwarder new_video_source; |
- vie_encoder_->SetSource(&new_video_source, |
- VideoSendStream::DegradationPreference::kBalanced); |
- |
- new_video_source.IncomingCapturedFrame(CreateFrame(2, kWidth, kHeight)); |
- WaitForEncodedFrame(2); |
- stats = stats_proxy_->GetStats(); |
- EXPECT_FALSE(stats.bw_limited_resolution); |
- EXPECT_FALSE(stats.bw_limited_framerate); |
- EXPECT_EQ(0, stats.number_of_quality_adapt_changes); |
- |
- // Trigger adapt down. |
- vie_encoder_->TriggerQualityLow(); |
- new_video_source.IncomingCapturedFrame(CreateFrame(3, kWidth, kHeight)); |
- WaitForEncodedFrame(3); |
- stats = stats_proxy_->GetStats(); |
- EXPECT_TRUE(stats.bw_limited_resolution); |
- EXPECT_FALSE(stats.bw_limited_framerate); |
- EXPECT_EQ(1, stats.number_of_quality_adapt_changes); |
- |
- // Set new source with adaptation still enabled. |
- vie_encoder_->SetSource(&new_video_source, |
- VideoSendStream::DegradationPreference::kBalanced); |
- |
- new_video_source.IncomingCapturedFrame(CreateFrame(4, kWidth, kHeight)); |
- WaitForEncodedFrame(4); |
- stats = stats_proxy_->GetStats(); |
- EXPECT_TRUE(stats.bw_limited_resolution); |
- EXPECT_FALSE(stats.bw_limited_framerate); |
- EXPECT_EQ(1, stats.number_of_quality_adapt_changes); |
- |
- // Disable resolution scaling. |
- vie_encoder_->SetSource( |
- &new_video_source, |
- VideoSendStream::DegradationPreference::kMaintainResolution); |
- |
- new_video_source.IncomingCapturedFrame(CreateFrame(5, kWidth, kHeight)); |
- WaitForEncodedFrame(5); |
- stats = stats_proxy_->GetStats(); |
- EXPECT_FALSE(stats.bw_limited_resolution); |
- EXPECT_FALSE(stats.bw_limited_framerate); |
- EXPECT_EQ(1, stats.number_of_quality_adapt_changes); |
- EXPECT_EQ(0, stats.number_of_cpu_adapt_changes); |
- |
- vie_encoder_->Stop(); |
-} |
- |
-TEST_F(ViEEncoderTest, QualityAdaptationStatsAreResetWhenScalerIsDisabled) { |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- |
- const int kWidth = 1280; |
- const int kHeight = 720; |
- video_source_.set_adaptation_enabled(true); |
- video_source_.IncomingCapturedFrame(CreateFrame(1, kWidth, kHeight)); |
- WaitForEncodedFrame(1); |
- EXPECT_FALSE(stats_proxy_->GetStats().cpu_limited_resolution); |
- EXPECT_FALSE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_EQ(0, stats_proxy_->GetStats().number_of_cpu_adapt_changes); |
- |
- // Trigger adapt down. |
- vie_encoder_->TriggerQualityLow(); |
- video_source_.IncomingCapturedFrame(CreateFrame(2, kWidth, kHeight)); |
- WaitForEncodedFrame(2); |
- EXPECT_FALSE(stats_proxy_->GetStats().cpu_limited_resolution); |
- EXPECT_TRUE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_EQ(0, stats_proxy_->GetStats().number_of_cpu_adapt_changes); |
- |
- // Trigger overuse. |
- vie_encoder_->TriggerCpuOveruse(); |
- video_source_.IncomingCapturedFrame(CreateFrame(3, kWidth, kHeight)); |
- WaitForEncodedFrame(3); |
- EXPECT_TRUE(stats_proxy_->GetStats().cpu_limited_resolution); |
- EXPECT_TRUE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_EQ(1, stats_proxy_->GetStats().number_of_cpu_adapt_changes); |
- |
- // Set source with adaptation still enabled but quality scaler is off. |
- fake_encoder_.SetQualityScaling(false); |
- vie_encoder_->SetSource( |
- &video_source_, |
- VideoSendStream::DegradationPreference::kMaintainFramerate); |
- |
- video_source_.IncomingCapturedFrame(CreateFrame(4, kWidth, kHeight)); |
- WaitForEncodedFrame(4); |
- EXPECT_TRUE(stats_proxy_->GetStats().cpu_limited_resolution); |
- EXPECT_FALSE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_EQ(1, stats_proxy_->GetStats().number_of_cpu_adapt_changes); |
- |
- vie_encoder_->Stop(); |
-} |
- |
-TEST_F(ViEEncoderTest, StatsTracksCpuAdaptationStatsWhenSwitchingSource) { |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- |
- const int kWidth = 1280; |
- const int kHeight = 720; |
- int sequence = 1; |
- |
- video_source_.IncomingCapturedFrame(CreateFrame(sequence, kWidth, kHeight)); |
- WaitForEncodedFrame(sequence++); |
- VideoSendStream::Stats stats = stats_proxy_->GetStats(); |
- EXPECT_FALSE(stats.cpu_limited_resolution); |
- EXPECT_FALSE(stats.cpu_limited_framerate); |
- EXPECT_EQ(0, stats.number_of_cpu_adapt_changes); |
- |
- // Trigger CPU overuse, should now adapt down. |
- vie_encoder_->TriggerCpuOveruse(); |
- video_source_.IncomingCapturedFrame(CreateFrame(sequence, kWidth, kHeight)); |
- WaitForEncodedFrame(sequence++); |
- stats = stats_proxy_->GetStats(); |
- EXPECT_TRUE(stats.cpu_limited_resolution); |
- EXPECT_FALSE(stats.cpu_limited_framerate); |
- EXPECT_EQ(1, stats.number_of_cpu_adapt_changes); |
- |
- // Set new source with adaptation still enabled. |
- test::FrameForwarder new_video_source; |
- vie_encoder_->SetSource( |
- &new_video_source, |
- VideoSendStream::DegradationPreference::kMaintainFramerate); |
- |
- new_video_source.IncomingCapturedFrame( |
- CreateFrame(sequence, kWidth, kHeight)); |
- WaitForEncodedFrame(sequence++); |
- stats = stats_proxy_->GetStats(); |
- EXPECT_TRUE(stats.cpu_limited_resolution); |
- EXPECT_FALSE(stats.cpu_limited_framerate); |
- EXPECT_EQ(1, stats.number_of_cpu_adapt_changes); |
- |
- // Set cpu adaptation by frame dropping. |
- vie_encoder_->SetSource( |
- &new_video_source, |
- VideoSendStream::DegradationPreference::kMaintainResolution); |
- new_video_source.IncomingCapturedFrame( |
- CreateFrame(sequence, kWidth, kHeight)); |
- WaitForEncodedFrame(sequence++); |
- stats = stats_proxy_->GetStats(); |
- // Not adapted at first. |
- EXPECT_FALSE(stats.cpu_limited_resolution); |
- EXPECT_FALSE(stats.cpu_limited_framerate); |
- EXPECT_EQ(1, stats.number_of_cpu_adapt_changes); |
- |
- // Force an input frame rate to be available, or the adaptation call won't |
- // know what framerate to adapt from. |
- VideoSendStream::Stats mock_stats = stats_proxy_->GetStats(); |
- mock_stats.input_frame_rate = 30; |
- stats_proxy_->SetMockStats(mock_stats); |
- vie_encoder_->TriggerCpuOveruse(); |
- stats_proxy_->ResetMockStats(); |
- |
- new_video_source.IncomingCapturedFrame( |
- CreateFrame(sequence, kWidth, kHeight)); |
- WaitForEncodedFrame(sequence++); |
- |
- // Framerate now adapted. |
- stats = stats_proxy_->GetStats(); |
- EXPECT_FALSE(stats.cpu_limited_resolution); |
- EXPECT_TRUE(stats.cpu_limited_framerate); |
- EXPECT_EQ(2, stats.number_of_cpu_adapt_changes); |
- |
- // Disable CPU adaptation. |
- vie_encoder_->SetSource( |
- &new_video_source, |
- VideoSendStream::DegradationPreference::kDegradationDisabled); |
- new_video_source.IncomingCapturedFrame( |
- CreateFrame(sequence, kWidth, kHeight)); |
- WaitForEncodedFrame(sequence++); |
- |
- stats = stats_proxy_->GetStats(); |
- EXPECT_FALSE(stats.cpu_limited_resolution); |
- EXPECT_FALSE(stats.cpu_limited_framerate); |
- EXPECT_EQ(2, stats.number_of_cpu_adapt_changes); |
- |
- // Try to trigger overuse. Should not succeed. |
- stats_proxy_->SetMockStats(mock_stats); |
- vie_encoder_->TriggerCpuOveruse(); |
- stats_proxy_->ResetMockStats(); |
- |
- stats = stats_proxy_->GetStats(); |
- EXPECT_FALSE(stats.cpu_limited_resolution); |
- EXPECT_FALSE(stats.cpu_limited_framerate); |
- EXPECT_EQ(2, stats.number_of_cpu_adapt_changes); |
- |
- // Switch back the source with resolution adaptation enabled. |
- vie_encoder_->SetSource( |
- &video_source_, |
- VideoSendStream::DegradationPreference::kMaintainFramerate); |
- video_source_.IncomingCapturedFrame(CreateFrame(sequence, kWidth, kHeight)); |
- WaitForEncodedFrame(sequence++); |
- stats = stats_proxy_->GetStats(); |
- EXPECT_TRUE(stats.cpu_limited_resolution); |
- EXPECT_FALSE(stats.cpu_limited_framerate); |
- EXPECT_EQ(2, stats.number_of_cpu_adapt_changes); |
- |
- // Trigger CPU normal usage. |
- vie_encoder_->TriggerCpuNormalUsage(); |
- video_source_.IncomingCapturedFrame(CreateFrame(sequence, kWidth, kHeight)); |
- WaitForEncodedFrame(sequence++); |
- stats = stats_proxy_->GetStats(); |
- EXPECT_FALSE(stats.cpu_limited_resolution); |
- EXPECT_FALSE(stats.cpu_limited_framerate); |
- EXPECT_EQ(3, stats.number_of_cpu_adapt_changes); |
- |
- // Back to the source with adaptation off, set it back to maintain-resolution. |
- vie_encoder_->SetSource( |
- &new_video_source, |
- VideoSendStream::DegradationPreference::kMaintainResolution); |
- new_video_source.IncomingCapturedFrame( |
- CreateFrame(sequence, kWidth, kHeight)); |
- WaitForEncodedFrame(sequence++); |
- stats = stats_proxy_->GetStats(); |
- // Disabled, since we previously switched the source to disabled. |
- EXPECT_FALSE(stats.cpu_limited_resolution); |
- EXPECT_TRUE(stats.cpu_limited_framerate); |
- EXPECT_EQ(3, stats.number_of_cpu_adapt_changes); |
- |
- // Trigger CPU normal usage. |
- vie_encoder_->TriggerCpuNormalUsage(); |
- new_video_source.IncomingCapturedFrame( |
- CreateFrame(sequence, kWidth, kHeight)); |
- WaitForEncodedFrame(sequence++); |
- stats = stats_proxy_->GetStats(); |
- EXPECT_FALSE(stats.cpu_limited_resolution); |
- EXPECT_FALSE(stats.cpu_limited_framerate); |
- EXPECT_EQ(4, stats.number_of_cpu_adapt_changes); |
- EXPECT_EQ(0, stats.number_of_quality_adapt_changes); |
- |
- vie_encoder_->Stop(); |
-} |
- |
-TEST_F(ViEEncoderTest, StatsTracksPreferredBitrate) { |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- |
- const int kWidth = 1280; |
- const int kHeight = 720; |
- video_source_.IncomingCapturedFrame(CreateFrame(1, kWidth, kHeight)); |
- WaitForEncodedFrame(1); |
- |
- VideoSendStream::Stats stats = stats_proxy_->GetStats(); |
- EXPECT_EQ(video_encoder_config_.max_bitrate_bps, |
- stats.preferred_media_bitrate_bps); |
- |
- vie_encoder_->Stop(); |
-} |
- |
-TEST_F(ViEEncoderTest, ScalingUpAndDownDoesNothingWithMaintainResolution) { |
- const int kWidth = 1280; |
- const int kHeight = 720; |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- |
- // Expect no scaling to begin with. |
- VerifyNoLimitation(video_source_.sink_wants()); |
- |
- video_source_.IncomingCapturedFrame(CreateFrame(1, kWidth, kHeight)); |
- WaitForEncodedFrame(1); |
- |
- // Trigger scale down. |
- vie_encoder_->TriggerQualityLow(); |
- |
- video_source_.IncomingCapturedFrame(CreateFrame(2, kWidth, kHeight)); |
- WaitForEncodedFrame(2); |
- |
- // Expect a scale down. |
- EXPECT_TRUE(video_source_.sink_wants().max_pixel_count); |
- EXPECT_LT(video_source_.sink_wants().max_pixel_count, kWidth * kHeight); |
- |
- // Set resolution scaling disabled. |
- test::FrameForwarder new_video_source; |
- vie_encoder_->SetSource( |
- &new_video_source, |
- VideoSendStream::DegradationPreference::kMaintainResolution); |
- |
- // Trigger scale down. |
- vie_encoder_->TriggerQualityLow(); |
- new_video_source.IncomingCapturedFrame(CreateFrame(3, kWidth, kHeight)); |
- WaitForEncodedFrame(3); |
- |
- // Expect no scaling. |
- EXPECT_EQ(std::numeric_limits<int>::max(), |
- new_video_source.sink_wants().max_pixel_count); |
- |
- // Trigger scale up. |
- vie_encoder_->TriggerQualityHigh(); |
- new_video_source.IncomingCapturedFrame(CreateFrame(4, kWidth, kHeight)); |
- WaitForEncodedFrame(4); |
- |
- // Expect nothing to change, still no scaling. |
- EXPECT_EQ(std::numeric_limits<int>::max(), |
- new_video_source.sink_wants().max_pixel_count); |
- |
- vie_encoder_->Stop(); |
-} |
- |
-TEST_F(ViEEncoderTest, SkipsSameAdaptDownRequest_MaintainFramerateMode) { |
- const int kWidth = 1280; |
- const int kHeight = 720; |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- |
- // Enable kMaintainFramerate preference, no initial limitation. |
- test::FrameForwarder source; |
- vie_encoder_->SetSource( |
- &source, VideoSendStream::DegradationPreference::kMaintainFramerate); |
- |
- source.IncomingCapturedFrame(CreateFrame(1, kWidth, kHeight)); |
- WaitForEncodedFrame(1); |
- VerifyNoLimitation(source.sink_wants()); |
- EXPECT_FALSE(stats_proxy_->GetStats().cpu_limited_resolution); |
- EXPECT_EQ(0, stats_proxy_->GetStats().number_of_cpu_adapt_changes); |
- |
- // Trigger adapt down, expect scaled down resolution. |
- vie_encoder_->TriggerCpuOveruse(); |
- VerifyFpsMaxResolutionLt(source.sink_wants(), kWidth * kHeight); |
- const int kLastMaxPixelCount = source.sink_wants().max_pixel_count; |
- EXPECT_TRUE(stats_proxy_->GetStats().cpu_limited_resolution); |
- EXPECT_EQ(1, stats_proxy_->GetStats().number_of_cpu_adapt_changes); |
- |
- // Trigger adapt down for same input resolution, expect no change. |
- vie_encoder_->TriggerCpuOveruse(); |
- EXPECT_EQ(kLastMaxPixelCount, source.sink_wants().max_pixel_count); |
- EXPECT_TRUE(stats_proxy_->GetStats().cpu_limited_resolution); |
- EXPECT_EQ(1, stats_proxy_->GetStats().number_of_cpu_adapt_changes); |
- |
- vie_encoder_->Stop(); |
-} |
- |
-TEST_F(ViEEncoderTest, SkipsSameOrLargerAdaptDownRequest_BalancedMode) { |
- const int kWidth = 1280; |
- const int kHeight = 720; |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- |
- // Enable kBalanced preference, no initial limitation. |
- test::FrameForwarder source; |
- vie_encoder_->SetSource(&source, |
- VideoSendStream::DegradationPreference::kBalanced); |
- source.IncomingCapturedFrame(CreateFrame(1, kWidth, kHeight)); |
- sink_.WaitForEncodedFrame(1); |
- VerifyNoLimitation(source.sink_wants()); |
- |
- // Trigger adapt down, expect scaled down resolution. |
- vie_encoder_->TriggerQualityLow(); |
- VerifyFpsMaxResolutionLt(source.sink_wants(), kWidth * kHeight); |
- EXPECT_TRUE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_EQ(1, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- const int kLastMaxPixelCount = source.sink_wants().max_pixel_count; |
- |
- // Trigger adapt down for same input resolution, expect no change. |
- source.IncomingCapturedFrame(CreateFrame(2, kWidth, kHeight)); |
- sink_.WaitForEncodedFrame(2); |
- vie_encoder_->TriggerQualityLow(); |
- EXPECT_EQ(kLastMaxPixelCount, source.sink_wants().max_pixel_count); |
- EXPECT_TRUE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_EQ(1, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- // Trigger adapt down for larger input resolution, expect no change. |
- source.IncomingCapturedFrame(CreateFrame(3, kWidth + 1, kHeight + 1)); |
- sink_.WaitForEncodedFrame(3); |
- vie_encoder_->TriggerQualityLow(); |
- EXPECT_EQ(kLastMaxPixelCount, source.sink_wants().max_pixel_count); |
- EXPECT_TRUE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_EQ(1, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- vie_encoder_->Stop(); |
-} |
- |
-TEST_F(ViEEncoderTest, NoChangeForInitialNormalUsage_MaintainFramerateMode) { |
- const int kWidth = 1280; |
- const int kHeight = 720; |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- |
- // Enable kMaintainFramerate preference, no initial limitation. |
- test::FrameForwarder source; |
- vie_encoder_->SetSource( |
- &source, VideoSendStream::DegradationPreference::kMaintainFramerate); |
- |
- source.IncomingCapturedFrame(CreateFrame(1, kWidth, kHeight)); |
- WaitForEncodedFrame(kWidth, kHeight); |
- VerifyNoLimitation(source.sink_wants()); |
- EXPECT_FALSE(stats_proxy_->GetStats().cpu_limited_resolution); |
- EXPECT_EQ(0, stats_proxy_->GetStats().number_of_cpu_adapt_changes); |
- |
- // Trigger adapt up, expect no change. |
- vie_encoder_->TriggerCpuNormalUsage(); |
- VerifyNoLimitation(source.sink_wants()); |
- EXPECT_FALSE(stats_proxy_->GetStats().cpu_limited_resolution); |
- EXPECT_EQ(0, stats_proxy_->GetStats().number_of_cpu_adapt_changes); |
- |
- vie_encoder_->Stop(); |
-} |
- |
-TEST_F(ViEEncoderTest, NoChangeForInitialNormalUsage_MaintainResolutionMode) { |
- const int kWidth = 1280; |
- const int kHeight = 720; |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- |
- // Enable kMaintainResolution preference, no initial limitation. |
- test::FrameForwarder source; |
- vie_encoder_->SetSource( |
- &source, VideoSendStream::DegradationPreference::kMaintainResolution); |
- |
- source.IncomingCapturedFrame(CreateFrame(1, kWidth, kHeight)); |
- WaitForEncodedFrame(kWidth, kHeight); |
- VerifyNoLimitation(source.sink_wants()); |
- EXPECT_FALSE(stats_proxy_->GetStats().cpu_limited_framerate); |
- EXPECT_EQ(0, stats_proxy_->GetStats().number_of_cpu_adapt_changes); |
- |
- // Trigger adapt up, expect no change. |
- vie_encoder_->TriggerCpuNormalUsage(); |
- VerifyNoLimitation(source.sink_wants()); |
- EXPECT_FALSE(stats_proxy_->GetStats().cpu_limited_framerate); |
- EXPECT_EQ(0, stats_proxy_->GetStats().number_of_cpu_adapt_changes); |
- |
- vie_encoder_->Stop(); |
-} |
- |
-TEST_F(ViEEncoderTest, NoChangeForInitialNormalUsage_BalancedMode) { |
- const int kWidth = 1280; |
- const int kHeight = 720; |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- |
- // Enable kBalanced preference, no initial limitation. |
- test::FrameForwarder source; |
- vie_encoder_->SetSource(&source, |
- VideoSendStream::DegradationPreference::kBalanced); |
- |
- source.IncomingCapturedFrame(CreateFrame(1, kWidth, kHeight)); |
- sink_.WaitForEncodedFrame(kWidth, kHeight); |
- VerifyNoLimitation(source.sink_wants()); |
- EXPECT_FALSE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_FALSE(stats_proxy_->GetStats().cpu_limited_framerate); |
- EXPECT_EQ(0, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- // Trigger adapt up, expect no change. |
- vie_encoder_->TriggerQualityHigh(); |
- VerifyNoLimitation(source.sink_wants()); |
- EXPECT_FALSE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_FALSE(stats_proxy_->GetStats().cpu_limited_framerate); |
- EXPECT_EQ(0, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- vie_encoder_->Stop(); |
-} |
- |
-TEST_F(ViEEncoderTest, NoChangeForInitialNormalUsage_DisabledMode) { |
- const int kWidth = 1280; |
- const int kHeight = 720; |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- |
- // Enable kDegradationDisabled preference, no initial limitation. |
- test::FrameForwarder source; |
- vie_encoder_->SetSource( |
- &source, VideoSendStream::DegradationPreference::kDegradationDisabled); |
- |
- source.IncomingCapturedFrame(CreateFrame(1, kWidth, kHeight)); |
- sink_.WaitForEncodedFrame(kWidth, kHeight); |
- VerifyNoLimitation(source.sink_wants()); |
- EXPECT_FALSE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_FALSE(stats_proxy_->GetStats().cpu_limited_framerate); |
- EXPECT_EQ(0, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- // Trigger adapt up, expect no change. |
- vie_encoder_->TriggerQualityHigh(); |
- VerifyNoLimitation(source.sink_wants()); |
- EXPECT_FALSE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_FALSE(stats_proxy_->GetStats().cpu_limited_framerate); |
- EXPECT_EQ(0, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- vie_encoder_->Stop(); |
-} |
- |
-TEST_F(ViEEncoderTest, AdaptsResolutionForLowQuality_MaintainFramerateMode) { |
- const int kWidth = 1280; |
- const int kHeight = 720; |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- |
- // Enable kMaintainFramerate preference, no initial limitation. |
- AdaptingFrameForwarder source; |
- source.set_adaptation_enabled(true); |
- vie_encoder_->SetSource( |
- &source, VideoSendStream::DegradationPreference::kMaintainFramerate); |
- |
- source.IncomingCapturedFrame(CreateFrame(1, kWidth, kHeight)); |
- WaitForEncodedFrame(1); |
- VerifyNoLimitation(source.sink_wants()); |
- EXPECT_FALSE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_EQ(0, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- // Trigger adapt down, expect scaled down resolution. |
- vie_encoder_->TriggerQualityLow(); |
- source.IncomingCapturedFrame(CreateFrame(2, kWidth, kHeight)); |
- WaitForEncodedFrame(2); |
- VerifyFpsMaxResolutionLt(source.sink_wants(), kWidth * kHeight); |
- EXPECT_TRUE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_EQ(1, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- // Trigger adapt up, expect no restriction. |
- vie_encoder_->TriggerQualityHigh(); |
- VerifyNoLimitation(source.sink_wants()); |
- EXPECT_FALSE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_EQ(2, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- EXPECT_EQ(0, stats_proxy_->GetStats().number_of_cpu_adapt_changes); |
- |
- vie_encoder_->Stop(); |
-} |
- |
-TEST_F(ViEEncoderTest, AdaptsFramerateForLowQuality_MaintainResolutionMode) { |
- const int kWidth = 1280; |
- const int kHeight = 720; |
- const int kInputFps = 30; |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- |
- VideoSendStream::Stats stats = stats_proxy_->GetStats(); |
- stats.input_frame_rate = kInputFps; |
- stats_proxy_->SetMockStats(stats); |
- |
- // Expect no scaling to begin with (preference: kMaintainFramerate). |
- video_source_.IncomingCapturedFrame(CreateFrame(1, kWidth, kHeight)); |
- sink_.WaitForEncodedFrame(1); |
- VerifyNoLimitation(video_source_.sink_wants()); |
- |
- // Trigger adapt down, expect scaled down resolution. |
- vie_encoder_->TriggerQualityLow(); |
- video_source_.IncomingCapturedFrame(CreateFrame(2, kWidth, kHeight)); |
- sink_.WaitForEncodedFrame(2); |
- VerifyFpsMaxResolutionLt(video_source_.sink_wants(), kWidth * kHeight); |
- |
- // Enable kMaintainResolution preference. |
- test::FrameForwarder new_video_source; |
- vie_encoder_->SetSource( |
- &new_video_source, |
- VideoSendStream::DegradationPreference::kMaintainResolution); |
- VerifyNoLimitation(new_video_source.sink_wants()); |
- |
- // Trigger adapt down, expect reduced framerate. |
- vie_encoder_->TriggerQualityLow(); |
- new_video_source.IncomingCapturedFrame(CreateFrame(3, kWidth, kHeight)); |
- sink_.WaitForEncodedFrame(3); |
- VerifyFpsLtResolutionMax(new_video_source.sink_wants(), kInputFps); |
- |
- // Trigger adapt up, expect no restriction. |
- vie_encoder_->TriggerQualityHigh(); |
- VerifyNoLimitation(new_video_source.sink_wants()); |
- |
- vie_encoder_->Stop(); |
-} |
- |
-TEST_F(ViEEncoderTest, DoesNotScaleBelowSetResolutionLimit) { |
- const int kWidth = 1280; |
- const int kHeight = 720; |
- const size_t kNumFrames = 10; |
- |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- |
- // Enable adapter, expected input resolutions when downscaling: |
- // 1280x720 -> 960x540 -> 640x360 -> 480x270 -> 320x180 (min resolution limit) |
- video_source_.set_adaptation_enabled(true); |
- |
- EXPECT_FALSE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_EQ(0, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- int downscales = 0; |
- for (size_t i = 1; i <= kNumFrames; i++) { |
- video_source_.IncomingCapturedFrame(CreateFrame(i, kWidth, kHeight)); |
- WaitForEncodedFrame(i); |
- |
- // Trigger scale down. |
- rtc::VideoSinkWants last_wants = video_source_.sink_wants(); |
- vie_encoder_->TriggerQualityLow(); |
- EXPECT_GE(video_source_.sink_wants().max_pixel_count, kMinPixelsPerFrame); |
- |
- if (video_source_.sink_wants().max_pixel_count < last_wants.max_pixel_count) |
- ++downscales; |
- |
- EXPECT_TRUE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_EQ(downscales, |
- stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- EXPECT_GT(downscales, 0); |
- } |
- vie_encoder_->Stop(); |
-} |
- |
-TEST_F(ViEEncoderTest, |
- AdaptsResolutionUpAndDownTwiceOnOveruse_MaintainFramerateMode) { |
- const int kWidth = 1280; |
- const int kHeight = 720; |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- |
- // Enable kMaintainFramerate preference, no initial limitation. |
- AdaptingFrameForwarder source; |
- source.set_adaptation_enabled(true); |
- vie_encoder_->SetSource( |
- &source, VideoSendStream::DegradationPreference::kMaintainFramerate); |
- |
- source.IncomingCapturedFrame(CreateFrame(1, kWidth, kHeight)); |
- WaitForEncodedFrame(kWidth, kHeight); |
- VerifyNoLimitation(source.sink_wants()); |
- EXPECT_FALSE(stats_proxy_->GetStats().cpu_limited_resolution); |
- EXPECT_EQ(0, stats_proxy_->GetStats().number_of_cpu_adapt_changes); |
- |
- // Trigger adapt down, expect scaled down resolution. |
- vie_encoder_->TriggerCpuOveruse(); |
- source.IncomingCapturedFrame(CreateFrame(2, kWidth, kHeight)); |
- WaitForEncodedFrame(2); |
- VerifyFpsMaxResolutionLt(source.sink_wants(), kWidth * kHeight); |
- EXPECT_TRUE(stats_proxy_->GetStats().cpu_limited_resolution); |
- EXPECT_EQ(1, stats_proxy_->GetStats().number_of_cpu_adapt_changes); |
- |
- // Trigger adapt up, expect no restriction. |
- vie_encoder_->TriggerCpuNormalUsage(); |
- source.IncomingCapturedFrame(CreateFrame(3, kWidth, kHeight)); |
- WaitForEncodedFrame(kWidth, kHeight); |
- VerifyNoLimitation(source.sink_wants()); |
- EXPECT_FALSE(stats_proxy_->GetStats().cpu_limited_resolution); |
- EXPECT_EQ(2, stats_proxy_->GetStats().number_of_cpu_adapt_changes); |
- |
- // Trigger adapt down, expect scaled down resolution. |
- vie_encoder_->TriggerCpuOveruse(); |
- source.IncomingCapturedFrame(CreateFrame(4, kWidth, kHeight)); |
- WaitForEncodedFrame(4); |
- VerifyFpsMaxResolutionLt(source.sink_wants(), kWidth * kHeight); |
- EXPECT_TRUE(stats_proxy_->GetStats().cpu_limited_resolution); |
- EXPECT_EQ(3, stats_proxy_->GetStats().number_of_cpu_adapt_changes); |
- |
- // Trigger adapt up, expect no restriction. |
- vie_encoder_->TriggerCpuNormalUsage(); |
- source.IncomingCapturedFrame(CreateFrame(5, kWidth, kHeight)); |
- sink_.WaitForEncodedFrame(kWidth, kHeight); |
- VerifyNoLimitation(source.sink_wants()); |
- EXPECT_FALSE(stats_proxy_->GetStats().cpu_limited_resolution); |
- EXPECT_EQ(4, stats_proxy_->GetStats().number_of_cpu_adapt_changes); |
- |
- vie_encoder_->Stop(); |
-} |
- |
-TEST_F(ViEEncoderTest, |
- AdaptsResolutionUpAndDownTwiceForLowQuality_BalancedMode_NoFpsLimit) { |
- const int kWidth = 1280; |
- const int kHeight = 720; |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- |
- // Enable kBalanced preference, no initial limitation. |
- AdaptingFrameForwarder source; |
- source.set_adaptation_enabled(true); |
- vie_encoder_->SetSource(&source, |
- VideoSendStream::DegradationPreference::kBalanced); |
- |
- source.IncomingCapturedFrame(CreateFrame(1, kWidth, kHeight)); |
- sink_.WaitForEncodedFrame(kWidth, kHeight); |
- VerifyNoLimitation(source.sink_wants()); |
- EXPECT_FALSE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_EQ(0, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- // Trigger adapt down, expect scaled down resolution. |
- vie_encoder_->TriggerQualityLow(); |
- source.IncomingCapturedFrame(CreateFrame(2, kWidth, kHeight)); |
- sink_.WaitForEncodedFrame(2); |
- VerifyFpsMaxResolutionLt(source.sink_wants(), kWidth * kHeight); |
- EXPECT_TRUE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_EQ(1, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- // Trigger adapt up, expect no restriction. |
- vie_encoder_->TriggerQualityHigh(); |
- source.IncomingCapturedFrame(CreateFrame(3, kWidth, kHeight)); |
- sink_.WaitForEncodedFrame(kWidth, kHeight); |
- VerifyNoLimitation(source.sink_wants()); |
- EXPECT_FALSE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_EQ(2, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- // Trigger adapt down, expect scaled down resolution. |
- vie_encoder_->TriggerQualityLow(); |
- source.IncomingCapturedFrame(CreateFrame(4, kWidth, kHeight)); |
- sink_.WaitForEncodedFrame(4); |
- VerifyFpsMaxResolutionLt(source.sink_wants(), kWidth * kHeight); |
- EXPECT_TRUE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_EQ(3, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- // Trigger adapt up, expect no restriction. |
- vie_encoder_->TriggerQualityHigh(); |
- source.IncomingCapturedFrame(CreateFrame(5, kWidth, kHeight)); |
- sink_.WaitForEncodedFrame(kWidth, kHeight); |
- VerifyNoLimitation(source.sink_wants()); |
- EXPECT_FALSE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_EQ(4, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- vie_encoder_->Stop(); |
-} |
- |
-TEST_F(ViEEncoderTest, |
- AdaptsResolutionOnOveruseAndLowQuality_MaintainFramerateMode) { |
- const int kWidth = 1280; |
- const int kHeight = 720; |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- |
- // Enable kMaintainFramerate preference, no initial limitation. |
- AdaptingFrameForwarder source; |
- source.set_adaptation_enabled(true); |
- vie_encoder_->SetSource( |
- &source, VideoSendStream::DegradationPreference::kMaintainFramerate); |
- |
- source.IncomingCapturedFrame(CreateFrame(1, kWidth, kHeight)); |
- WaitForEncodedFrame(kWidth, kHeight); |
- VerifyNoLimitation(source.sink_wants()); |
- EXPECT_FALSE(stats_proxy_->GetStats().cpu_limited_resolution); |
- EXPECT_FALSE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_EQ(0, stats_proxy_->GetStats().number_of_cpu_adapt_changes); |
- EXPECT_EQ(0, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- // Trigger cpu adapt down, expect scaled down resolution (960x540). |
- vie_encoder_->TriggerCpuOveruse(); |
- source.IncomingCapturedFrame(CreateFrame(2, kWidth, kHeight)); |
- WaitForEncodedFrame(2); |
- VerifyFpsMaxResolutionLt(source.sink_wants(), kWidth * kHeight); |
- EXPECT_TRUE(stats_proxy_->GetStats().cpu_limited_resolution); |
- EXPECT_FALSE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_EQ(1, stats_proxy_->GetStats().number_of_cpu_adapt_changes); |
- EXPECT_EQ(0, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- // Trigger cpu adapt down, expect scaled down resolution (640x360). |
- vie_encoder_->TriggerCpuOveruse(); |
- source.IncomingCapturedFrame(CreateFrame(3, kWidth, kHeight)); |
- WaitForEncodedFrame(3); |
- VerifyFpsMaxResolutionLt(source.sink_wants(), source.last_wants()); |
- rtc::VideoSinkWants last_wants = source.sink_wants(); |
- EXPECT_TRUE(stats_proxy_->GetStats().cpu_limited_resolution); |
- EXPECT_FALSE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_EQ(2, stats_proxy_->GetStats().number_of_cpu_adapt_changes); |
- EXPECT_EQ(0, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- // Trigger cpu adapt down, max cpu downgrades reached, expect no change. |
- vie_encoder_->TriggerCpuOveruse(); |
- source.IncomingCapturedFrame(CreateFrame(4, kWidth, kHeight)); |
- WaitForEncodedFrame(4); |
- VerifyFpsEqResolutionEq(source.sink_wants(), last_wants); |
- EXPECT_TRUE(stats_proxy_->GetStats().cpu_limited_resolution); |
- EXPECT_FALSE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_EQ(2, stats_proxy_->GetStats().number_of_cpu_adapt_changes); |
- EXPECT_EQ(0, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- // Trigger quality adapt down, expect scaled down resolution (480x270). |
- vie_encoder_->TriggerQualityLow(); |
- source.IncomingCapturedFrame(CreateFrame(5, kWidth, kHeight)); |
- WaitForEncodedFrame(5); |
- VerifyFpsMaxResolutionLt(source.sink_wants(), source.last_wants()); |
- EXPECT_TRUE(stats_proxy_->GetStats().cpu_limited_resolution); |
- EXPECT_TRUE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_EQ(2, stats_proxy_->GetStats().number_of_cpu_adapt_changes); |
- EXPECT_EQ(1, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- // Trigger cpu adapt up, expect upscaled resolution (640x360). |
- vie_encoder_->TriggerCpuNormalUsage(); |
- source.IncomingCapturedFrame(CreateFrame(6, kWidth, kHeight)); |
- WaitForEncodedFrame(6); |
- VerifyFpsMaxResolutionGt(source.sink_wants(), source.last_wants()); |
- EXPECT_TRUE(stats_proxy_->GetStats().cpu_limited_resolution); |
- EXPECT_TRUE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_EQ(3, stats_proxy_->GetStats().number_of_cpu_adapt_changes); |
- EXPECT_EQ(1, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- // Trigger cpu adapt up, expect upscaled resolution (960x540). |
- vie_encoder_->TriggerCpuNormalUsage(); |
- source.IncomingCapturedFrame(CreateFrame(7, kWidth, kHeight)); |
- WaitForEncodedFrame(7); |
- VerifyFpsMaxResolutionGt(source.sink_wants(), source.last_wants()); |
- last_wants = source.sink_wants(); |
- EXPECT_FALSE(stats_proxy_->GetStats().cpu_limited_resolution); |
- EXPECT_TRUE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_EQ(4, stats_proxy_->GetStats().number_of_cpu_adapt_changes); |
- EXPECT_EQ(1, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- // Trigger cpu adapt up, no cpu downgrades, expect no change (960x540). |
- vie_encoder_->TriggerCpuNormalUsage(); |
- source.IncomingCapturedFrame(CreateFrame(8, kWidth, kHeight)); |
- WaitForEncodedFrame(8); |
- VerifyFpsEqResolutionEq(source.sink_wants(), last_wants); |
- EXPECT_FALSE(stats_proxy_->GetStats().cpu_limited_resolution); |
- EXPECT_TRUE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_EQ(4, stats_proxy_->GetStats().number_of_cpu_adapt_changes); |
- EXPECT_EQ(1, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- // Trigger quality adapt up, expect no restriction (1280x720). |
- vie_encoder_->TriggerQualityHigh(); |
- source.IncomingCapturedFrame(CreateFrame(9, kWidth, kHeight)); |
- WaitForEncodedFrame(kWidth, kHeight); |
- VerifyFpsMaxResolutionGt(source.sink_wants(), source.last_wants()); |
- VerifyNoLimitation(source.sink_wants()); |
- EXPECT_FALSE(stats_proxy_->GetStats().cpu_limited_resolution); |
- EXPECT_FALSE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_EQ(4, stats_proxy_->GetStats().number_of_cpu_adapt_changes); |
- EXPECT_EQ(2, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- vie_encoder_->Stop(); |
-} |
- |
-TEST_F(ViEEncoderTest, CpuLimitedHistogramIsReported) { |
- const int kWidth = 640; |
- const int kHeight = 360; |
- |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- |
- for (int i = 1; i <= SendStatisticsProxy::kMinRequiredMetricsSamples; ++i) { |
- video_source_.IncomingCapturedFrame(CreateFrame(i, kWidth, kHeight)); |
- WaitForEncodedFrame(i); |
- } |
- |
- vie_encoder_->TriggerCpuOveruse(); |
- for (int i = 1; i <= SendStatisticsProxy::kMinRequiredMetricsSamples; ++i) { |
- video_source_.IncomingCapturedFrame(CreateFrame( |
- SendStatisticsProxy::kMinRequiredMetricsSamples + i, kWidth, kHeight)); |
- WaitForEncodedFrame(SendStatisticsProxy::kMinRequiredMetricsSamples + i); |
- } |
- |
- vie_encoder_->Stop(); |
- vie_encoder_.reset(); |
- stats_proxy_.reset(); |
- |
- EXPECT_EQ(1, |
- metrics::NumSamples("WebRTC.Video.CpuLimitedResolutionInPercent")); |
- EXPECT_EQ( |
- 1, metrics::NumEvents("WebRTC.Video.CpuLimitedResolutionInPercent", 50)); |
-} |
- |
-TEST_F(ViEEncoderTest, CpuLimitedHistogramIsNotReportedForDisabledDegradation) { |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- const int kWidth = 640; |
- const int kHeight = 360; |
- |
- vie_encoder_->SetSource( |
- &video_source_, |
- VideoSendStream::DegradationPreference::kDegradationDisabled); |
- |
- for (int i = 1; i <= SendStatisticsProxy::kMinRequiredMetricsSamples; ++i) { |
- video_source_.IncomingCapturedFrame(CreateFrame(i, kWidth, kHeight)); |
- WaitForEncodedFrame(i); |
- } |
- |
- vie_encoder_->Stop(); |
- vie_encoder_.reset(); |
- stats_proxy_.reset(); |
- |
- EXPECT_EQ(0, |
- metrics::NumSamples("WebRTC.Video.CpuLimitedResolutionInPercent")); |
-} |
- |
-TEST_F(ViEEncoderTest, CallsBitrateObserver) { |
- MockBitrateObserver bitrate_observer; |
- vie_encoder_->SetBitrateObserver(&bitrate_observer); |
- |
- const int kDefaultFps = 30; |
- const BitrateAllocation expected_bitrate = |
- DefaultVideoBitrateAllocator(fake_encoder_.codec_config()) |
- .GetAllocation(kLowTargetBitrateBps, kDefaultFps); |
- |
- // First called on bitrate updated, then again on first frame. |
- EXPECT_CALL(bitrate_observer, OnBitrateAllocationUpdated(expected_bitrate)) |
- .Times(2); |
- vie_encoder_->OnBitrateUpdated(kLowTargetBitrateBps, 0, 0); |
- |
- const int64_t kStartTimeMs = 1; |
- video_source_.IncomingCapturedFrame( |
- CreateFrame(kStartTimeMs, codec_width_, codec_height_)); |
- WaitForEncodedFrame(kStartTimeMs); |
- |
- // Not called on second frame. |
- EXPECT_CALL(bitrate_observer, OnBitrateAllocationUpdated(expected_bitrate)) |
- .Times(0); |
- video_source_.IncomingCapturedFrame( |
- CreateFrame(kStartTimeMs + 1, codec_width_, codec_height_)); |
- WaitForEncodedFrame(kStartTimeMs + 1); |
- |
- // Called after a process interval. |
- const int64_t kProcessIntervalMs = |
- vcm::VCMProcessTimer::kDefaultProcessIntervalMs; |
- fake_clock_.AdvanceTimeMicros(rtc::kNumMicrosecsPerMillisec * |
- (kProcessIntervalMs + (1000 / kDefaultFps))); |
- EXPECT_CALL(bitrate_observer, OnBitrateAllocationUpdated(expected_bitrate)) |
- .Times(1); |
- video_source_.IncomingCapturedFrame(CreateFrame( |
- kStartTimeMs + kProcessIntervalMs, codec_width_, codec_height_)); |
- WaitForEncodedFrame(kStartTimeMs + kProcessIntervalMs); |
- |
- vie_encoder_->Stop(); |
-} |
- |
-TEST_F(ViEEncoderTest, OveruseDetectorUpdatedOnReconfigureAndAdaption) { |
- const int kFrameWidth = 1280; |
- const int kFrameHeight = 720; |
- const int kFramerate = 24; |
- |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- test::FrameForwarder source; |
- vie_encoder_->SetSource( |
- &source, VideoSendStream::DegradationPreference::kMaintainResolution); |
- |
- // Insert a single frame, triggering initial configuration. |
- source.IncomingCapturedFrame(CreateFrame(1, kFrameWidth, kFrameHeight)); |
- vie_encoder_->WaitUntilTaskQueueIsIdle(); |
- |
- EXPECT_EQ(vie_encoder_->overuse_detector_proxy_->GetLastTargetFramerate(), |
- kDefaultFramerate); |
- |
- // Trigger reconfigure encoder (without resetting the entire instance). |
- VideoEncoderConfig video_encoder_config; |
- video_encoder_config.max_bitrate_bps = kTargetBitrateBps; |
- video_encoder_config.number_of_streams = 1; |
- video_encoder_config.video_stream_factory = |
- new rtc::RefCountedObject<VideoStreamFactory>(1, kFramerate); |
- vie_encoder_->ConfigureEncoder(std::move(video_encoder_config), |
- kMaxPayloadLength, false); |
- vie_encoder_->WaitUntilTaskQueueIsIdle(); |
- |
- // Detector should be updated with fps limit from codec config. |
- EXPECT_EQ(vie_encoder_->overuse_detector_proxy_->GetLastTargetFramerate(), |
- kFramerate); |
- |
- // Trigger overuse, max framerate should be reduced. |
- VideoSendStream::Stats stats = stats_proxy_->GetStats(); |
- stats.input_frame_rate = kFramerate; |
- stats_proxy_->SetMockStats(stats); |
- vie_encoder_->TriggerCpuOveruse(); |
- vie_encoder_->WaitUntilTaskQueueIsIdle(); |
- int adapted_framerate = |
- vie_encoder_->overuse_detector_proxy_->GetLastTargetFramerate(); |
- EXPECT_LT(adapted_framerate, kFramerate); |
- |
- // Trigger underuse, max framerate should go back to codec configured fps. |
- // Set extra low fps, to make sure it's actually reset, not just incremented. |
- stats = stats_proxy_->GetStats(); |
- stats.input_frame_rate = adapted_framerate / 2; |
- stats_proxy_->SetMockStats(stats); |
- vie_encoder_->TriggerCpuNormalUsage(); |
- vie_encoder_->WaitUntilTaskQueueIsIdle(); |
- EXPECT_EQ(vie_encoder_->overuse_detector_proxy_->GetLastTargetFramerate(), |
- kFramerate); |
- |
- vie_encoder_->Stop(); |
-} |
- |
-TEST_F(ViEEncoderTest, OveruseDetectorUpdatedRespectsFramerateAfterUnderuse) { |
- const int kFrameWidth = 1280; |
- const int kFrameHeight = 720; |
- const int kLowFramerate = 15; |
- const int kHighFramerate = 25; |
- |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- test::FrameForwarder source; |
- vie_encoder_->SetSource( |
- &source, VideoSendStream::DegradationPreference::kMaintainResolution); |
- |
- // Trigger initial configuration. |
- VideoEncoderConfig video_encoder_config; |
- video_encoder_config.max_bitrate_bps = kTargetBitrateBps; |
- video_encoder_config.number_of_streams = 1; |
- video_encoder_config.video_stream_factory = |
- new rtc::RefCountedObject<VideoStreamFactory>(1, kLowFramerate); |
- source.IncomingCapturedFrame(CreateFrame(1, kFrameWidth, kFrameHeight)); |
- vie_encoder_->ConfigureEncoder(std::move(video_encoder_config), |
- kMaxPayloadLength, false); |
- vie_encoder_->WaitUntilTaskQueueIsIdle(); |
- |
- EXPECT_EQ(vie_encoder_->overuse_detector_proxy_->GetLastTargetFramerate(), |
- kLowFramerate); |
- |
- // Trigger overuse, max framerate should be reduced. |
- VideoSendStream::Stats stats = stats_proxy_->GetStats(); |
- stats.input_frame_rate = kLowFramerate; |
- stats_proxy_->SetMockStats(stats); |
- vie_encoder_->TriggerCpuOveruse(); |
- vie_encoder_->WaitUntilTaskQueueIsIdle(); |
- int adapted_framerate = |
- vie_encoder_->overuse_detector_proxy_->GetLastTargetFramerate(); |
- EXPECT_LT(adapted_framerate, kLowFramerate); |
- |
- // Reconfigure the encoder with a new (higher max framerate), max fps should |
- // still respect the adaptation. |
- video_encoder_config.video_stream_factory = |
- new rtc::RefCountedObject<VideoStreamFactory>(1, kHighFramerate); |
- source.IncomingCapturedFrame(CreateFrame(1, kFrameWidth, kFrameHeight)); |
- vie_encoder_->ConfigureEncoder(std::move(video_encoder_config), |
- kMaxPayloadLength, false); |
- vie_encoder_->WaitUntilTaskQueueIsIdle(); |
- |
- EXPECT_EQ(vie_encoder_->overuse_detector_proxy_->GetLastTargetFramerate(), |
- adapted_framerate); |
- |
- // Trigger underuse, max framerate should go back to codec configured fps. |
- stats = stats_proxy_->GetStats(); |
- stats.input_frame_rate = adapted_framerate; |
- stats_proxy_->SetMockStats(stats); |
- vie_encoder_->TriggerCpuNormalUsage(); |
- vie_encoder_->WaitUntilTaskQueueIsIdle(); |
- EXPECT_EQ(vie_encoder_->overuse_detector_proxy_->GetLastTargetFramerate(), |
- kHighFramerate); |
- |
- vie_encoder_->Stop(); |
-} |
- |
-TEST_F(ViEEncoderTest, OveruseDetectorUpdatedOnDegradationPreferenceChange) { |
- const int kFrameWidth = 1280; |
- const int kFrameHeight = 720; |
- const int kFramerate = 24; |
- |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- test::FrameForwarder source; |
- vie_encoder_->SetSource( |
- &source, VideoSendStream::DegradationPreference::kMaintainResolution); |
- |
- // Trigger initial configuration. |
- VideoEncoderConfig video_encoder_config; |
- video_encoder_config.max_bitrate_bps = kTargetBitrateBps; |
- video_encoder_config.number_of_streams = 1; |
- video_encoder_config.video_stream_factory = |
- new rtc::RefCountedObject<VideoStreamFactory>(1, kFramerate); |
- source.IncomingCapturedFrame(CreateFrame(1, kFrameWidth, kFrameHeight)); |
- vie_encoder_->ConfigureEncoder(std::move(video_encoder_config), |
- kMaxPayloadLength, false); |
- vie_encoder_->WaitUntilTaskQueueIsIdle(); |
- |
- EXPECT_EQ(vie_encoder_->overuse_detector_proxy_->GetLastTargetFramerate(), |
- kFramerate); |
- |
- // Trigger overuse, max framerate should be reduced. |
- VideoSendStream::Stats stats = stats_proxy_->GetStats(); |
- stats.input_frame_rate = kFramerate; |
- stats_proxy_->SetMockStats(stats); |
- vie_encoder_->TriggerCpuOveruse(); |
- vie_encoder_->WaitUntilTaskQueueIsIdle(); |
- int adapted_framerate = |
- vie_encoder_->overuse_detector_proxy_->GetLastTargetFramerate(); |
- EXPECT_LT(adapted_framerate, kFramerate); |
- |
- // Change degradation preference to not enable framerate scaling. Target |
- // framerate should be changed to codec defined limit. |
- vie_encoder_->SetSource( |
- &source, VideoSendStream::DegradationPreference::kMaintainFramerate); |
- vie_encoder_->WaitUntilTaskQueueIsIdle(); |
- EXPECT_EQ(vie_encoder_->overuse_detector_proxy_->GetLastTargetFramerate(), |
- kFramerate); |
- |
- vie_encoder_->Stop(); |
-} |
- |
-TEST_F(ViEEncoderTest, DropsFramesAndScalesWhenBitrateIsTooLow) { |
- const int kTooLowBitrateForFrameSizeBps = 10000; |
- vie_encoder_->OnBitrateUpdated(kTooLowBitrateForFrameSizeBps, 0, 0); |
- const int kWidth = 640; |
- const int kHeight = 360; |
- |
- video_source_.IncomingCapturedFrame(CreateFrame(1, kWidth, kHeight)); |
- |
- // Expect to drop this frame, the wait should time out. |
- ExpectDroppedFrame(); |
- |
- // Expect the sink_wants to specify a scaled frame. |
- EXPECT_LT(video_source_.sink_wants().max_pixel_count, kWidth * kHeight); |
- |
- int last_pixel_count = video_source_.sink_wants().max_pixel_count; |
- |
- // Next frame is scaled. |
- video_source_.IncomingCapturedFrame( |
- CreateFrame(2, kWidth * 3 / 4, kHeight * 3 / 4)); |
- |
- // Expect to drop this frame, the wait should time out. |
- ExpectDroppedFrame(); |
- |
- EXPECT_LT(video_source_.sink_wants().max_pixel_count, last_pixel_count); |
- |
- vie_encoder_->Stop(); |
-} |
- |
-TEST_F(ViEEncoderTest, NumberOfDroppedFramesLimitedWhenBitrateIsTooLow) { |
- const int kTooLowBitrateForFrameSizeBps = 10000; |
- vie_encoder_->OnBitrateUpdated(kTooLowBitrateForFrameSizeBps, 0, 0); |
- const int kWidth = 640; |
- const int kHeight = 360; |
- |
- // We expect the n initial frames to get dropped. |
- int i; |
- for (i = 1; i <= kMaxInitialFramedrop; ++i) { |
- video_source_.IncomingCapturedFrame(CreateFrame(i, kWidth, kHeight)); |
- ExpectDroppedFrame(); |
- } |
- // The n+1th frame should not be dropped, even though it's size is too large. |
- video_source_.IncomingCapturedFrame(CreateFrame(i, kWidth, kHeight)); |
- WaitForEncodedFrame(i); |
- |
- // Expect the sink_wants to specify a scaled frame. |
- EXPECT_LT(video_source_.sink_wants().max_pixel_count, kWidth * kHeight); |
- |
- vie_encoder_->Stop(); |
-} |
- |
-TEST_F(ViEEncoderTest, InitialFrameDropOffWithMaintainResolutionPreference) { |
- const int kWidth = 640; |
- const int kHeight = 360; |
- vie_encoder_->OnBitrateUpdated(kLowTargetBitrateBps, 0, 0); |
- |
- // Set degradation preference. |
- vie_encoder_->SetSource( |
- &video_source_, |
- VideoSendStream::DegradationPreference::kMaintainResolution); |
- |
- video_source_.IncomingCapturedFrame(CreateFrame(1, kWidth, kHeight)); |
- // Frame should not be dropped, even if it's too large. |
- WaitForEncodedFrame(1); |
- |
- vie_encoder_->Stop(); |
-} |
- |
-TEST_F(ViEEncoderTest, InitialFrameDropOffWhenEncoderDisabledScaling) { |
- const int kWidth = 640; |
- const int kHeight = 360; |
- fake_encoder_.SetQualityScaling(false); |
- vie_encoder_->OnBitrateUpdated(kLowTargetBitrateBps, 0, 0); |
- |
- // Force quality scaler reconfiguration by resetting the source. |
- vie_encoder_->SetSource(&video_source_, |
- VideoSendStream::DegradationPreference::kBalanced); |
- |
- video_source_.IncomingCapturedFrame(CreateFrame(1, kWidth, kHeight)); |
- // Frame should not be dropped, even if it's too large. |
- WaitForEncodedFrame(1); |
- |
- vie_encoder_->Stop(); |
- fake_encoder_.SetQualityScaling(true); |
-} |
- |
-TEST_F(ViEEncoderTest, |
- ResolutionNotAdaptedForTooSmallFrame_MaintainFramerateMode) { |
- const int kTooSmallWidth = 10; |
- const int kTooSmallHeight = 10; |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- |
- // Enable kMaintainFramerate preference, no initial limitation. |
- test::FrameForwarder source; |
- vie_encoder_->SetSource( |
- &source, VideoSendStream::DegradationPreference::kMaintainFramerate); |
- VerifyNoLimitation(source.sink_wants()); |
- EXPECT_FALSE(stats_proxy_->GetStats().cpu_limited_resolution); |
- |
- // Trigger adapt down, too small frame, expect no change. |
- source.IncomingCapturedFrame(CreateFrame(1, kTooSmallWidth, kTooSmallHeight)); |
- WaitForEncodedFrame(1); |
- vie_encoder_->TriggerCpuOveruse(); |
- VerifyNoLimitation(source.sink_wants()); |
- EXPECT_FALSE(stats_proxy_->GetStats().cpu_limited_resolution); |
- EXPECT_EQ(0, stats_proxy_->GetStats().number_of_cpu_adapt_changes); |
- |
- vie_encoder_->Stop(); |
-} |
- |
-TEST_F(ViEEncoderTest, ResolutionNotAdaptedForTooSmallFrame_BalancedMode) { |
- const int kTooSmallWidth = 10; |
- const int kTooSmallHeight = 10; |
- const int kFpsLimit = 7; |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- |
- // Enable kBalanced preference, no initial limitation. |
- test::FrameForwarder source; |
- vie_encoder_->SetSource(&source, |
- VideoSendStream::DegradationPreference::kBalanced); |
- VerifyNoLimitation(source.sink_wants()); |
- EXPECT_FALSE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_FALSE(stats_proxy_->GetStats().bw_limited_framerate); |
- |
- // Trigger adapt down, expect limited framerate. |
- source.IncomingCapturedFrame(CreateFrame(1, kTooSmallWidth, kTooSmallHeight)); |
- WaitForEncodedFrame(1); |
- vie_encoder_->TriggerQualityLow(); |
- VerifyFpsEqResolutionMax(source.sink_wants(), kFpsLimit); |
- EXPECT_FALSE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_TRUE(stats_proxy_->GetStats().bw_limited_framerate); |
- EXPECT_EQ(1, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- // Trigger adapt down, too small frame, expect no change. |
- source.IncomingCapturedFrame(CreateFrame(2, kTooSmallWidth, kTooSmallHeight)); |
- WaitForEncodedFrame(2); |
- vie_encoder_->TriggerQualityLow(); |
- VerifyFpsEqResolutionMax(source.sink_wants(), kFpsLimit); |
- EXPECT_FALSE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_TRUE(stats_proxy_->GetStats().bw_limited_framerate); |
- EXPECT_EQ(1, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- vie_encoder_->Stop(); |
-} |
- |
-TEST_F(ViEEncoderTest, FailingInitEncodeDoesntCauseCrash) { |
- fake_encoder_.ForceInitEncodeFailure(true); |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- ResetEncoder("VP8", 2, 1, true, false); |
- const int kFrameWidth = 1280; |
- const int kFrameHeight = 720; |
- video_source_.IncomingCapturedFrame( |
- CreateFrame(1, kFrameWidth, kFrameHeight)); |
- ExpectDroppedFrame(); |
- vie_encoder_->Stop(); |
-} |
- |
-// TODO(sprang): Extend this with fps throttling and any "balanced" extensions. |
-TEST_F(ViEEncoderTest, AdaptsResolutionOnOveruse_MaintainFramerateMode) { |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- |
- const int kFrameWidth = 1280; |
- const int kFrameHeight = 720; |
- // Enabled default VideoAdapter downscaling. First step is 3/4, not 3/5 as |
- // requested by ViEEncoder::VideoSourceProxy::RequestResolutionLowerThan(). |
- video_source_.set_adaptation_enabled(true); |
- |
- video_source_.IncomingCapturedFrame( |
- CreateFrame(1, kFrameWidth, kFrameHeight)); |
- WaitForEncodedFrame(kFrameWidth, kFrameHeight); |
- |
- // Trigger CPU overuse, downscale by 3/4. |
- vie_encoder_->TriggerCpuOveruse(); |
- video_source_.IncomingCapturedFrame( |
- CreateFrame(2, kFrameWidth, kFrameHeight)); |
- WaitForEncodedFrame((kFrameWidth * 3) / 4, (kFrameHeight * 3) / 4); |
- |
- // Trigger CPU normal use, return to original resolution. |
- vie_encoder_->TriggerCpuNormalUsage(); |
- video_source_.IncomingCapturedFrame( |
- CreateFrame(3, kFrameWidth, kFrameHeight)); |
- WaitForEncodedFrame(kFrameWidth, kFrameHeight); |
- |
- vie_encoder_->Stop(); |
-} |
- |
-TEST_F(ViEEncoderTest, AdaptsFramerateOnOveruse_MaintainResolutionMode) { |
- const int kFrameWidth = 1280; |
- const int kFrameHeight = 720; |
- int kFrameIntervalMs = rtc::kNumMillisecsPerSec / max_framerate_; |
- |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- vie_encoder_->SetSource( |
- &video_source_, |
- VideoSendStream::DegradationPreference::kMaintainResolution); |
- video_source_.set_adaptation_enabled(true); |
- |
- int64_t timestamp_ms = fake_clock_.TimeNanos() / rtc::kNumNanosecsPerMillisec; |
- |
- video_source_.IncomingCapturedFrame( |
- CreateFrame(timestamp_ms, kFrameWidth, kFrameHeight)); |
- WaitForEncodedFrame(timestamp_ms); |
- |
- // Try to trigger overuse. No fps estimate available => no effect. |
- vie_encoder_->TriggerCpuOveruse(); |
- |
- // Insert frames for one second to get a stable estimate. |
- for (int i = 0; i < max_framerate_; ++i) { |
- timestamp_ms += kFrameIntervalMs; |
- video_source_.IncomingCapturedFrame( |
- CreateFrame(timestamp_ms, kFrameWidth, kFrameHeight)); |
- WaitForEncodedFrame(timestamp_ms); |
- } |
- |
- // Trigger CPU overuse, reduce framerate by 2/3. |
- vie_encoder_->TriggerCpuOveruse(); |
- int num_frames_dropped = 0; |
- for (int i = 0; i < max_framerate_; ++i) { |
- timestamp_ms += kFrameIntervalMs; |
- video_source_.IncomingCapturedFrame( |
- CreateFrame(timestamp_ms, kFrameWidth, kFrameHeight)); |
- if (!WaitForFrame(kFrameTimeoutMs)) { |
- ++num_frames_dropped; |
- } else { |
- sink_.CheckLastFrameSizeMathces(kFrameWidth, kFrameHeight); |
- } |
- } |
- |
- // Add some slack to account for frames dropped by the frame dropper. |
- const int kErrorMargin = 1; |
- EXPECT_NEAR(num_frames_dropped, max_framerate_ - (max_framerate_ * 2 / 3), |
- kErrorMargin); |
- |
- // Trigger CPU overuse, reduce framerate by 2/3 again. |
- vie_encoder_->TriggerCpuOveruse(); |
- num_frames_dropped = 0; |
- for (int i = 0; i < max_framerate_; ++i) { |
- timestamp_ms += kFrameIntervalMs; |
- video_source_.IncomingCapturedFrame( |
- CreateFrame(timestamp_ms, kFrameWidth, kFrameHeight)); |
- if (!WaitForFrame(kFrameTimeoutMs)) { |
- ++num_frames_dropped; |
- } else { |
- sink_.CheckLastFrameSizeMathces(kFrameWidth, kFrameHeight); |
- } |
- } |
- EXPECT_NEAR(num_frames_dropped, max_framerate_ - (max_framerate_ * 4 / 9), |
- kErrorMargin); |
- |
- // Go back up one step. |
- vie_encoder_->TriggerCpuNormalUsage(); |
- num_frames_dropped = 0; |
- for (int i = 0; i < max_framerate_; ++i) { |
- timestamp_ms += kFrameIntervalMs; |
- video_source_.IncomingCapturedFrame( |
- CreateFrame(timestamp_ms, kFrameWidth, kFrameHeight)); |
- if (!WaitForFrame(kFrameTimeoutMs)) { |
- ++num_frames_dropped; |
- } else { |
- sink_.CheckLastFrameSizeMathces(kFrameWidth, kFrameHeight); |
- } |
- } |
- EXPECT_NEAR(num_frames_dropped, max_framerate_ - (max_framerate_ * 2 / 3), |
- kErrorMargin); |
- |
- // Go back up to original mode. |
- vie_encoder_->TriggerCpuNormalUsage(); |
- num_frames_dropped = 0; |
- for (int i = 0; i < max_framerate_; ++i) { |
- timestamp_ms += kFrameIntervalMs; |
- video_source_.IncomingCapturedFrame( |
- CreateFrame(timestamp_ms, kFrameWidth, kFrameHeight)); |
- if (!WaitForFrame(kFrameTimeoutMs)) { |
- ++num_frames_dropped; |
- } else { |
- sink_.CheckLastFrameSizeMathces(kFrameWidth, kFrameHeight); |
- } |
- } |
- EXPECT_NEAR(num_frames_dropped, 0, kErrorMargin); |
- |
- vie_encoder_->Stop(); |
-} |
- |
-TEST_F(ViEEncoderTest, DoesntAdaptDownPastMinFramerate) { |
- const int kFramerateFps = 5; |
- const int kFrameIntervalMs = rtc::kNumMillisecsPerSec / kFramerateFps; |
- const int kMinFpsFrameInterval = rtc::kNumMillisecsPerSec / kMinFramerateFps; |
- const int kFrameWidth = 1280; |
- const int kFrameHeight = 720; |
- |
- // Reconfigure encoder with two temporal layers and screensharing, which will |
- // disable frame dropping and make testing easier. |
- ResetEncoder("VP8", 1, 2, true, true); |
- |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- vie_encoder_->SetSource( |
- &video_source_, |
- VideoSendStream::DegradationPreference::kMaintainResolution); |
- video_source_.set_adaptation_enabled(true); |
- |
- int64_t timestamp_ms = fake_clock_.TimeNanos() / rtc::kNumNanosecsPerMillisec; |
- |
- // Trigger overuse as much as we can. |
- for (int i = 0; i < ViEEncoder::kMaxCpuResolutionDowngrades; ++i) { |
- // Insert frames to get a new fps estimate... |
- for (int j = 0; j < kFramerateFps; ++j) { |
- video_source_.IncomingCapturedFrame( |
- CreateFrame(timestamp_ms, kFrameWidth, kFrameHeight)); |
- timestamp_ms += kFrameIntervalMs; |
- } |
- // ...and then try to adapt again. |
- vie_encoder_->TriggerCpuOveruse(); |
- } |
- |
- // Drain any frame in the pipeline. |
- WaitForFrame(kDefaultTimeoutMs); |
- |
- // Insert frames at min fps, all should go through. |
- for (int i = 0; i < 10; ++i) { |
- timestamp_ms += kMinFpsFrameInterval; |
- video_source_.IncomingCapturedFrame( |
- CreateFrame(timestamp_ms, kFrameWidth, kFrameHeight)); |
- WaitForEncodedFrame(timestamp_ms); |
- } |
- |
- vie_encoder_->Stop(); |
-} |
- |
-TEST_F(ViEEncoderTest, AdaptsResolutionAndFramerateForLowQuality_BalancedMode) { |
- const int kWidth = 1280; |
- const int kHeight = 720; |
- const int64_t kFrameIntervalMs = 150; |
- int64_t timestamp_ms = kFrameIntervalMs; |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- |
- // Enable kBalanced preference, no initial limitation. |
- AdaptingFrameForwarder source; |
- source.set_adaptation_enabled(true); |
- vie_encoder_->SetSource(&source, |
- VideoSendStream::DegradationPreference::kBalanced); |
- timestamp_ms += kFrameIntervalMs; |
- source.IncomingCapturedFrame(CreateFrame(timestamp_ms, kWidth, kHeight)); |
- WaitForEncodedFrame(kWidth, kHeight); |
- VerifyNoLimitation(source.sink_wants()); |
- EXPECT_FALSE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_FALSE(stats_proxy_->GetStats().bw_limited_framerate); |
- EXPECT_EQ(0, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- // Trigger adapt down, expect scaled down resolution (960x540@30fps). |
- vie_encoder_->TriggerQualityLow(); |
- timestamp_ms += kFrameIntervalMs; |
- source.IncomingCapturedFrame(CreateFrame(timestamp_ms, kWidth, kHeight)); |
- WaitForEncodedFrame(timestamp_ms); |
- VerifyFpsMaxResolutionLt(source.sink_wants(), kWidth * kHeight); |
- EXPECT_TRUE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_FALSE(stats_proxy_->GetStats().bw_limited_framerate); |
- EXPECT_EQ(1, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- // Trigger adapt down, expect scaled down resolution (640x360@30fps). |
- vie_encoder_->TriggerQualityLow(); |
- timestamp_ms += kFrameIntervalMs; |
- source.IncomingCapturedFrame(CreateFrame(timestamp_ms, kWidth, kHeight)); |
- WaitForEncodedFrame(timestamp_ms); |
- VerifyFpsMaxResolutionLt(source.sink_wants(), source.last_wants()); |
- EXPECT_TRUE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_FALSE(stats_proxy_->GetStats().bw_limited_framerate); |
- EXPECT_EQ(2, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- // Trigger adapt down, expect reduced fps (640x360@15fps). |
- vie_encoder_->TriggerQualityLow(); |
- timestamp_ms += kFrameIntervalMs; |
- source.IncomingCapturedFrame(CreateFrame(timestamp_ms, kWidth, kHeight)); |
- WaitForEncodedFrame(timestamp_ms); |
- VerifyFpsLtResolutionEq(source.sink_wants(), source.last_wants()); |
- EXPECT_TRUE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_TRUE(stats_proxy_->GetStats().bw_limited_framerate); |
- EXPECT_EQ(3, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- // Trigger adapt down, expect scaled down resolution (480x270@15fps). |
- vie_encoder_->TriggerQualityLow(); |
- timestamp_ms += kFrameIntervalMs; |
- source.IncomingCapturedFrame(CreateFrame(timestamp_ms, kWidth, kHeight)); |
- WaitForEncodedFrame(timestamp_ms); |
- VerifyFpsEqResolutionLt(source.sink_wants(), source.last_wants()); |
- EXPECT_TRUE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_TRUE(stats_proxy_->GetStats().bw_limited_framerate); |
- EXPECT_EQ(4, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- // Restrict bitrate, trigger adapt down, expect reduced fps (480x270@10fps). |
- vie_encoder_->TriggerQualityLow(); |
- timestamp_ms += kFrameIntervalMs; |
- source.IncomingCapturedFrame(CreateFrame(timestamp_ms, kWidth, kHeight)); |
- WaitForEncodedFrame(timestamp_ms); |
- VerifyFpsLtResolutionEq(source.sink_wants(), source.last_wants()); |
- EXPECT_TRUE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_TRUE(stats_proxy_->GetStats().bw_limited_framerate); |
- EXPECT_EQ(5, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- // Trigger adapt down, expect scaled down resolution (320x180@10fps). |
- vie_encoder_->TriggerQualityLow(); |
- timestamp_ms += kFrameIntervalMs; |
- source.IncomingCapturedFrame(CreateFrame(timestamp_ms, kWidth, kHeight)); |
- WaitForEncodedFrame(timestamp_ms); |
- VerifyFpsEqResolutionLt(source.sink_wants(), source.last_wants()); |
- EXPECT_TRUE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_TRUE(stats_proxy_->GetStats().bw_limited_framerate); |
- EXPECT_EQ(6, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- // Trigger adapt down, expect reduced fps (320x180@7fps). |
- vie_encoder_->TriggerQualityLow(); |
- timestamp_ms += kFrameIntervalMs; |
- source.IncomingCapturedFrame(CreateFrame(timestamp_ms, kWidth, kHeight)); |
- WaitForEncodedFrame(timestamp_ms); |
- VerifyFpsLtResolutionEq(source.sink_wants(), source.last_wants()); |
- rtc::VideoSinkWants last_wants = source.sink_wants(); |
- EXPECT_TRUE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_TRUE(stats_proxy_->GetStats().bw_limited_framerate); |
- EXPECT_EQ(7, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- // Trigger adapt down, min resolution reached, expect no change. |
- vie_encoder_->TriggerQualityLow(); |
- timestamp_ms += kFrameIntervalMs; |
- source.IncomingCapturedFrame(CreateFrame(timestamp_ms, kWidth, kHeight)); |
- WaitForEncodedFrame(timestamp_ms); |
- VerifyFpsEqResolutionEq(source.sink_wants(), last_wants); |
- EXPECT_TRUE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_TRUE(stats_proxy_->GetStats().bw_limited_framerate); |
- EXPECT_EQ(7, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- // Trigger adapt down, expect expect increased fps (320x180@10fps). |
- vie_encoder_->TriggerQualityHigh(); |
- timestamp_ms += kFrameIntervalMs; |
- source.IncomingCapturedFrame(CreateFrame(timestamp_ms, kWidth, kHeight)); |
- WaitForEncodedFrame(timestamp_ms); |
- VerifyFpsGtResolutionEq(source.sink_wants(), source.last_wants()); |
- EXPECT_TRUE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_TRUE(stats_proxy_->GetStats().bw_limited_framerate); |
- EXPECT_EQ(8, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- // Trigger adapt up, expect upscaled resolution (480x270@10fps). |
- vie_encoder_->TriggerQualityHigh(); |
- timestamp_ms += kFrameIntervalMs; |
- source.IncomingCapturedFrame(CreateFrame(timestamp_ms, kWidth, kHeight)); |
- WaitForEncodedFrame(timestamp_ms); |
- VerifyFpsEqResolutionGt(source.sink_wants(), source.last_wants()); |
- EXPECT_TRUE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_TRUE(stats_proxy_->GetStats().bw_limited_framerate); |
- EXPECT_EQ(9, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- // Increase bitrate, trigger adapt up, expect increased fps (480x270@15fps). |
- vie_encoder_->TriggerQualityHigh(); |
- timestamp_ms += kFrameIntervalMs; |
- source.IncomingCapturedFrame(CreateFrame(timestamp_ms, kWidth, kHeight)); |
- WaitForEncodedFrame(timestamp_ms); |
- VerifyFpsGtResolutionEq(source.sink_wants(), source.last_wants()); |
- EXPECT_TRUE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_TRUE(stats_proxy_->GetStats().bw_limited_framerate); |
- EXPECT_EQ(10, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- // Trigger adapt up, expect upscaled resolution (640x360@15fps). |
- vie_encoder_->TriggerQualityHigh(); |
- timestamp_ms += kFrameIntervalMs; |
- source.IncomingCapturedFrame(CreateFrame(timestamp_ms, kWidth, kHeight)); |
- WaitForEncodedFrame(timestamp_ms); |
- VerifyFpsEqResolutionGt(source.sink_wants(), source.last_wants()); |
- EXPECT_TRUE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_TRUE(stats_proxy_->GetStats().bw_limited_framerate); |
- EXPECT_EQ(11, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- // Trigger adapt up, expect increased fps (640x360@30fps). |
- vie_encoder_->TriggerQualityHigh(); |
- timestamp_ms += kFrameIntervalMs; |
- source.IncomingCapturedFrame(CreateFrame(timestamp_ms, kWidth, kHeight)); |
- WaitForEncodedFrame(timestamp_ms); |
- VerifyFpsMaxResolutionEq(source.sink_wants(), source.last_wants()); |
- EXPECT_TRUE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_FALSE(stats_proxy_->GetStats().bw_limited_framerate); |
- EXPECT_EQ(12, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- // Trigger adapt up, expect upscaled resolution (960x540@30fps). |
- vie_encoder_->TriggerQualityHigh(); |
- timestamp_ms += kFrameIntervalMs; |
- source.IncomingCapturedFrame(CreateFrame(timestamp_ms, kWidth, kHeight)); |
- WaitForEncodedFrame(timestamp_ms); |
- VerifyFpsMaxResolutionGt(source.sink_wants(), source.last_wants()); |
- EXPECT_TRUE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_FALSE(stats_proxy_->GetStats().bw_limited_framerate); |
- EXPECT_EQ(13, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- // Trigger adapt up, expect no restriction (1280x720fps@30fps). |
- vie_encoder_->TriggerQualityHigh(); |
- timestamp_ms += kFrameIntervalMs; |
- source.IncomingCapturedFrame(CreateFrame(timestamp_ms, kWidth, kHeight)); |
- WaitForEncodedFrame(kWidth, kHeight); |
- VerifyFpsMaxResolutionGt(source.sink_wants(), source.last_wants()); |
- VerifyNoLimitation(source.sink_wants()); |
- EXPECT_FALSE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_FALSE(stats_proxy_->GetStats().bw_limited_framerate); |
- EXPECT_EQ(14, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- // Trigger adapt up, expect no change. |
- vie_encoder_->TriggerQualityHigh(); |
- VerifyNoLimitation(source.sink_wants()); |
- EXPECT_EQ(14, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- vie_encoder_->Stop(); |
-} |
- |
-TEST_F(ViEEncoderTest, AdaptWithTwoReasonsAndDifferentOrder_Framerate) { |
- const int kWidth = 1280; |
- const int kHeight = 720; |
- const int64_t kFrameIntervalMs = 150; |
- int64_t timestamp_ms = kFrameIntervalMs; |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- |
- // Enable kBalanced preference, no initial limitation. |
- AdaptingFrameForwarder source; |
- source.set_adaptation_enabled(true); |
- vie_encoder_->SetSource(&source, |
- VideoSendStream::DegradationPreference::kBalanced); |
- timestamp_ms += kFrameIntervalMs; |
- source.IncomingCapturedFrame(CreateFrame(timestamp_ms, kWidth, kHeight)); |
- WaitForEncodedFrame(kWidth, kHeight); |
- VerifyNoLimitation(source.sink_wants()); |
- EXPECT_FALSE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_FALSE(stats_proxy_->GetStats().bw_limited_framerate); |
- EXPECT_FALSE(stats_proxy_->GetStats().cpu_limited_resolution); |
- EXPECT_FALSE(stats_proxy_->GetStats().cpu_limited_framerate); |
- EXPECT_EQ(0, stats_proxy_->GetStats().number_of_cpu_adapt_changes); |
- EXPECT_EQ(0, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- // Trigger cpu adapt down, expect scaled down resolution (960x540@30fps). |
- vie_encoder_->TriggerCpuOveruse(); |
- timestamp_ms += kFrameIntervalMs; |
- source.IncomingCapturedFrame(CreateFrame(timestamp_ms, kWidth, kHeight)); |
- WaitForEncodedFrame(timestamp_ms); |
- VerifyFpsMaxResolutionLt(source.sink_wants(), kWidth * kHeight); |
- EXPECT_FALSE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_FALSE(stats_proxy_->GetStats().bw_limited_framerate); |
- EXPECT_TRUE(stats_proxy_->GetStats().cpu_limited_resolution); |
- EXPECT_FALSE(stats_proxy_->GetStats().cpu_limited_framerate); |
- EXPECT_EQ(1, stats_proxy_->GetStats().number_of_cpu_adapt_changes); |
- EXPECT_EQ(0, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- // Trigger cpu adapt down, expect scaled down resolution (640x360@30fps). |
- vie_encoder_->TriggerCpuOveruse(); |
- timestamp_ms += kFrameIntervalMs; |
- source.IncomingCapturedFrame(CreateFrame(timestamp_ms, kWidth, kHeight)); |
- WaitForEncodedFrame(timestamp_ms); |
- VerifyFpsMaxResolutionLt(source.sink_wants(), source.last_wants()); |
- EXPECT_FALSE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_FALSE(stats_proxy_->GetStats().bw_limited_framerate); |
- EXPECT_TRUE(stats_proxy_->GetStats().cpu_limited_resolution); |
- EXPECT_FALSE(stats_proxy_->GetStats().cpu_limited_framerate); |
- EXPECT_EQ(2, stats_proxy_->GetStats().number_of_cpu_adapt_changes); |
- EXPECT_EQ(0, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- // Trigger quality adapt down, expect reduced fps (640x360@15fps). |
- vie_encoder_->TriggerQualityLow(); |
- timestamp_ms += kFrameIntervalMs; |
- source.IncomingCapturedFrame(CreateFrame(timestamp_ms, kWidth, kHeight)); |
- WaitForEncodedFrame(timestamp_ms); |
- VerifyFpsLtResolutionEq(source.sink_wants(), source.last_wants()); |
- EXPECT_FALSE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_TRUE(stats_proxy_->GetStats().bw_limited_framerate); |
- EXPECT_TRUE(stats_proxy_->GetStats().cpu_limited_resolution); |
- EXPECT_FALSE(stats_proxy_->GetStats().cpu_limited_framerate); |
- EXPECT_EQ(2, stats_proxy_->GetStats().number_of_cpu_adapt_changes); |
- EXPECT_EQ(1, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- // Trigger cpu adapt up, expect increased fps (640x360@30fps). |
- vie_encoder_->TriggerCpuNormalUsage(); |
- timestamp_ms += kFrameIntervalMs; |
- source.IncomingCapturedFrame(CreateFrame(timestamp_ms, kWidth, kHeight)); |
- WaitForEncodedFrame(timestamp_ms); |
- VerifyFpsMaxResolutionEq(source.sink_wants(), source.last_wants()); |
- EXPECT_TRUE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_FALSE(stats_proxy_->GetStats().bw_limited_framerate); |
- EXPECT_TRUE(stats_proxy_->GetStats().cpu_limited_resolution); |
- EXPECT_FALSE(stats_proxy_->GetStats().cpu_limited_framerate); |
- EXPECT_EQ(3, stats_proxy_->GetStats().number_of_cpu_adapt_changes); |
- EXPECT_EQ(1, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- // Trigger quality adapt up, expect upscaled resolution (960x540@30fps). |
- vie_encoder_->TriggerQualityHigh(); |
- timestamp_ms += kFrameIntervalMs; |
- source.IncomingCapturedFrame(CreateFrame(timestamp_ms, kWidth, kHeight)); |
- WaitForEncodedFrame(timestamp_ms); |
- VerifyFpsMaxResolutionGt(source.sink_wants(), source.last_wants()); |
- EXPECT_FALSE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_FALSE(stats_proxy_->GetStats().bw_limited_framerate); |
- EXPECT_TRUE(stats_proxy_->GetStats().cpu_limited_resolution); |
- EXPECT_FALSE(stats_proxy_->GetStats().cpu_limited_framerate); |
- EXPECT_EQ(3, stats_proxy_->GetStats().number_of_cpu_adapt_changes); |
- EXPECT_EQ(2, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- // Trigger cpu adapt up, expect no restriction (1280x720fps@30fps). |
- vie_encoder_->TriggerCpuNormalUsage(); |
- timestamp_ms += kFrameIntervalMs; |
- source.IncomingCapturedFrame(CreateFrame(timestamp_ms, kWidth, kHeight)); |
- WaitForEncodedFrame(kWidth, kHeight); |
- VerifyFpsMaxResolutionGt(source.sink_wants(), source.last_wants()); |
- VerifyNoLimitation(source.sink_wants()); |
- EXPECT_FALSE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_FALSE(stats_proxy_->GetStats().bw_limited_framerate); |
- EXPECT_FALSE(stats_proxy_->GetStats().cpu_limited_resolution); |
- EXPECT_FALSE(stats_proxy_->GetStats().cpu_limited_framerate); |
- EXPECT_EQ(4, stats_proxy_->GetStats().number_of_cpu_adapt_changes); |
- EXPECT_EQ(2, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- // Trigger adapt up, expect no change. |
- vie_encoder_->TriggerQualityHigh(); |
- VerifyNoLimitation(source.sink_wants()); |
- EXPECT_EQ(4, stats_proxy_->GetStats().number_of_cpu_adapt_changes); |
- EXPECT_EQ(2, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- vie_encoder_->Stop(); |
-} |
- |
-TEST_F(ViEEncoderTest, AdaptWithTwoReasonsAndDifferentOrder_Resolution) { |
- const int kWidth = 640; |
- const int kHeight = 360; |
- const int kFpsLimit = 15; |
- const int64_t kFrameIntervalMs = 150; |
- int64_t timestamp_ms = kFrameIntervalMs; |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- |
- // Enable kBalanced preference, no initial limitation. |
- AdaptingFrameForwarder source; |
- source.set_adaptation_enabled(true); |
- vie_encoder_->SetSource(&source, |
- VideoSendStream::DegradationPreference::kBalanced); |
- timestamp_ms += kFrameIntervalMs; |
- source.IncomingCapturedFrame(CreateFrame(timestamp_ms, kWidth, kHeight)); |
- WaitForEncodedFrame(kWidth, kHeight); |
- VerifyNoLimitation(source.sink_wants()); |
- EXPECT_FALSE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_FALSE(stats_proxy_->GetStats().bw_limited_framerate); |
- EXPECT_FALSE(stats_proxy_->GetStats().cpu_limited_resolution); |
- EXPECT_FALSE(stats_proxy_->GetStats().cpu_limited_framerate); |
- EXPECT_EQ(0, stats_proxy_->GetStats().number_of_cpu_adapt_changes); |
- EXPECT_EQ(0, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- // Trigger cpu adapt down, expect scaled down framerate (640x360@15fps). |
- vie_encoder_->TriggerCpuOveruse(); |
- timestamp_ms += kFrameIntervalMs; |
- source.IncomingCapturedFrame(CreateFrame(timestamp_ms, kWidth, kHeight)); |
- WaitForEncodedFrame(timestamp_ms); |
- VerifyFpsEqResolutionMax(source.sink_wants(), kFpsLimit); |
- EXPECT_FALSE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_FALSE(stats_proxy_->GetStats().bw_limited_framerate); |
- EXPECT_FALSE(stats_proxy_->GetStats().cpu_limited_resolution); |
- EXPECT_TRUE(stats_proxy_->GetStats().cpu_limited_framerate); |
- EXPECT_EQ(1, stats_proxy_->GetStats().number_of_cpu_adapt_changes); |
- EXPECT_EQ(0, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- // Trigger quality adapt down, expect scaled down resolution (480x270@15fps). |
- vie_encoder_->TriggerQualityLow(); |
- timestamp_ms += kFrameIntervalMs; |
- source.IncomingCapturedFrame(CreateFrame(timestamp_ms, kWidth, kHeight)); |
- WaitForEncodedFrame(timestamp_ms); |
- VerifyFpsEqResolutionLt(source.sink_wants(), source.last_wants()); |
- EXPECT_TRUE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_FALSE(stats_proxy_->GetStats().bw_limited_framerate); |
- EXPECT_FALSE(stats_proxy_->GetStats().cpu_limited_resolution); |
- EXPECT_TRUE(stats_proxy_->GetStats().cpu_limited_framerate); |
- EXPECT_EQ(1, stats_proxy_->GetStats().number_of_cpu_adapt_changes); |
- EXPECT_EQ(1, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- // Trigger cpu adapt up, expect upscaled resolution (640x360@15fps). |
- vie_encoder_->TriggerCpuNormalUsage(); |
- timestamp_ms += kFrameIntervalMs; |
- source.IncomingCapturedFrame(CreateFrame(timestamp_ms, kWidth, kHeight)); |
- WaitForEncodedFrame(timestamp_ms); |
- VerifyFpsEqResolutionGt(source.sink_wants(), source.last_wants()); |
- EXPECT_FALSE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_TRUE(stats_proxy_->GetStats().bw_limited_framerate); |
- EXPECT_FALSE(stats_proxy_->GetStats().cpu_limited_resolution); |
- EXPECT_FALSE(stats_proxy_->GetStats().cpu_limited_framerate); |
- EXPECT_EQ(2, stats_proxy_->GetStats().number_of_cpu_adapt_changes); |
- EXPECT_EQ(1, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- // Trigger quality adapt up, expect increased fps (640x360@30fps). |
- vie_encoder_->TriggerQualityHigh(); |
- timestamp_ms += kFrameIntervalMs; |
- source.IncomingCapturedFrame(CreateFrame(timestamp_ms, kWidth, kHeight)); |
- WaitForEncodedFrame(timestamp_ms); |
- VerifyNoLimitation(source.sink_wants()); |
- EXPECT_FALSE(stats_proxy_->GetStats().bw_limited_resolution); |
- EXPECT_FALSE(stats_proxy_->GetStats().bw_limited_framerate); |
- EXPECT_FALSE(stats_proxy_->GetStats().cpu_limited_resolution); |
- EXPECT_FALSE(stats_proxy_->GetStats().cpu_limited_framerate); |
- EXPECT_EQ(2, stats_proxy_->GetStats().number_of_cpu_adapt_changes); |
- EXPECT_EQ(2, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- // Trigger adapt up, expect no change. |
- vie_encoder_->TriggerQualityHigh(); |
- VerifyNoLimitation(source.sink_wants()); |
- EXPECT_EQ(2, stats_proxy_->GetStats().number_of_cpu_adapt_changes); |
- EXPECT_EQ(2, stats_proxy_->GetStats().number_of_quality_adapt_changes); |
- |
- vie_encoder_->Stop(); |
-} |
- |
-TEST_F(ViEEncoderTest, AcceptsFullHdAdaptedDownSimulcastFrames) { |
- // Simulates simulcast behavior and makes highest stream resolutions divisible |
- // by 4. |
- class CroppingVideoStreamFactory |
- : public VideoEncoderConfig::VideoStreamFactoryInterface { |
- public: |
- explicit CroppingVideoStreamFactory(size_t num_temporal_layers, |
- int framerate) |
- : num_temporal_layers_(num_temporal_layers), framerate_(framerate) { |
- EXPECT_GT(num_temporal_layers, 0u); |
- EXPECT_GT(framerate, 0); |
- } |
- |
- private: |
- std::vector<VideoStream> CreateEncoderStreams( |
- int width, |
- int height, |
- const VideoEncoderConfig& encoder_config) override { |
- std::vector<VideoStream> streams = |
- test::CreateVideoStreams(width - width % 4, height - height % 4, |
- encoder_config); |
- for (VideoStream& stream : streams) { |
- stream.temporal_layer_thresholds_bps.resize(num_temporal_layers_ - 1); |
- stream.max_framerate = framerate_; |
- } |
- return streams; |
- } |
- |
- const size_t num_temporal_layers_; |
- const int framerate_; |
- }; |
- |
- const int kFrameWidth = 1920; |
- const int kFrameHeight = 1080; |
- // 3/4 of 1920. |
- const int kAdaptedFrameWidth = 1440; |
- // 3/4 of 1080 rounded down to multiple of 4. |
- const int kAdaptedFrameHeight = 808; |
- const int kFramerate = 24; |
- |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- // Trigger reconfigure encoder (without resetting the entire instance). |
- VideoEncoderConfig video_encoder_config; |
- video_encoder_config.max_bitrate_bps = kTargetBitrateBps; |
- video_encoder_config.number_of_streams = 1; |
- video_encoder_config.video_stream_factory = |
- new rtc::RefCountedObject<CroppingVideoStreamFactory>(1, kFramerate); |
- vie_encoder_->ConfigureEncoder(std::move(video_encoder_config), |
- kMaxPayloadLength, false); |
- vie_encoder_->WaitUntilTaskQueueIsIdle(); |
- |
- video_source_.set_adaptation_enabled(true); |
- |
- video_source_.IncomingCapturedFrame( |
- CreateFrame(1, kFrameWidth, kFrameHeight)); |
- WaitForEncodedFrame(kFrameWidth, kFrameHeight); |
- |
- // Trigger CPU overuse, downscale by 3/4. |
- vie_encoder_->TriggerCpuOveruse(); |
- video_source_.IncomingCapturedFrame( |
- CreateFrame(2, kFrameWidth, kFrameHeight)); |
- WaitForEncodedFrame(kAdaptedFrameWidth, kAdaptedFrameHeight); |
- |
- vie_encoder_->Stop(); |
-} |
- |
-TEST_F(ViEEncoderTest, PeriodicallyUpdatesChannelParameters) { |
- const int kFrameWidth = 1280; |
- const int kFrameHeight = 720; |
- const int kLowFps = 2; |
- const int kHighFps = 30; |
- |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- |
- int64_t timestamp_ms = fake_clock_.TimeNanos() / rtc::kNumNanosecsPerMillisec; |
- max_framerate_ = kLowFps; |
- |
- // Insert 2 seconds of 2fps video. |
- for (int i = 0; i < kLowFps * 2; ++i) { |
- video_source_.IncomingCapturedFrame( |
- CreateFrame(timestamp_ms, kFrameWidth, kFrameHeight)); |
- WaitForEncodedFrame(timestamp_ms); |
- timestamp_ms += 1000 / kLowFps; |
- } |
- |
- // Make sure encoder is updated with new target. |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- video_source_.IncomingCapturedFrame( |
- CreateFrame(timestamp_ms, kFrameWidth, kFrameHeight)); |
- WaitForEncodedFrame(timestamp_ms); |
- timestamp_ms += 1000 / kLowFps; |
- |
- EXPECT_EQ(kLowFps, fake_encoder_.GetConfiguredInputFramerate()); |
- |
- // Insert 30fps frames for just a little more than the forced update period. |
- const int kVcmTimerIntervalFrames = |
- (vcm::VCMProcessTimer::kDefaultProcessIntervalMs * kHighFps) / 1000; |
- const int kFrameIntervalMs = 1000 / kHighFps; |
- max_framerate_ = kHighFps; |
- for (int i = 0; i < kVcmTimerIntervalFrames + 2; ++i) { |
- video_source_.IncomingCapturedFrame( |
- CreateFrame(timestamp_ms, kFrameWidth, kFrameHeight)); |
- // Wait for encoded frame, but skip ahead if it doesn't arrive as it might |
- // be dropped if the encoder hans't been updated with the new higher target |
- // framerate yet, causing it to overshoot the target bitrate and then |
- // suffering the wrath of the media optimizer. |
- TimedWaitForEncodedFrame(timestamp_ms, 2 * kFrameIntervalMs); |
- timestamp_ms += kFrameIntervalMs; |
- } |
- |
- // Don expect correct measurement just yet, but it should be higher than |
- // before. |
- EXPECT_GT(fake_encoder_.GetConfiguredInputFramerate(), kLowFps); |
- |
- vie_encoder_->Stop(); |
-} |
- |
-TEST_F(ViEEncoderTest, DoesNotUpdateBitrateAllocationWhenSuspended) { |
- const int kFrameWidth = 1280; |
- const int kFrameHeight = 720; |
- const int kTargetBitrateBps = 1000000; |
- |
- MockBitrateObserver bitrate_observer; |
- vie_encoder_->SetBitrateObserver(&bitrate_observer); |
- |
- EXPECT_CALL(bitrate_observer, OnBitrateAllocationUpdated(_)).Times(1); |
- // Initial bitrate update. |
- vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0); |
- vie_encoder_->WaitUntilTaskQueueIsIdle(); |
- |
- // Insert a first video frame, causes another bitrate update. |
- int64_t timestamp_ms = fake_clock_.TimeNanos() / rtc::kNumNanosecsPerMillisec; |
- EXPECT_CALL(bitrate_observer, OnBitrateAllocationUpdated(_)).Times(1); |
- video_source_.IncomingCapturedFrame( |
- CreateFrame(timestamp_ms, kFrameWidth, kFrameHeight)); |
- WaitForEncodedFrame(timestamp_ms); |
- |
- // Next, simulate video suspension due to pacer queue overrun. |
- vie_encoder_->OnBitrateUpdated(0, 0, 1); |
- |
- // Skip ahead until a new periodic parameter update should have occured. |
- timestamp_ms += vcm::VCMProcessTimer::kDefaultProcessIntervalMs; |
- fake_clock_.AdvanceTimeMicros( |
- vcm::VCMProcessTimer::kDefaultProcessIntervalMs * |
- rtc::kNumMicrosecsPerMillisec); |
- |
- // Bitrate observer should not be called. |
- EXPECT_CALL(bitrate_observer, OnBitrateAllocationUpdated(_)).Times(0); |
- video_source_.IncomingCapturedFrame( |
- CreateFrame(timestamp_ms, kFrameWidth, kFrameHeight)); |
- ExpectDroppedFrame(); |
- |
- vie_encoder_->Stop(); |
-} |
- |
-} // namespace webrtc |