Reland of Turn off error resilience for VP9 if no spatial or temporal layers are configured and NACK is enabl…

webrtc/video/video_stream_encoder_unittest.cc

 /*
  *  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.
  */
 
@@ skipping 16 matching lines @@
 #include "webrtc/test/gtest.h"
 #include "webrtc/video/send_statistics_proxy.h"
 #include "webrtc/video/video_stream_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;
+const unsigned char kNumSlDummy = 0;
 }  // namespace
 
 namespace webrtc {
 
 using DegredationPreference = VideoSendStream::DegradationPreference;
 using ScaleReason = AdaptationObserverInterface::AdaptReason;
 using ::testing::_;
 using ::testing::Return;
 
 namespace {
@@ skipping 263 matching lines @@
         VideoSendStream::DegradationPreference::kMaintainFramerate);
     video_stream_encoder_->SetStartBitrate(kTargetBitrateBps);
     video_stream_encoder_->ConfigureEncoder(std::move(video_encoder_config),
                                             kMaxPayloadLength, nack_enabled);
     video_stream_encoder_->WaitUntilTaskQueueIsIdle();
   }
 
   void ResetEncoder(const std::string& payload_name,
                     size_t num_streams,
                     size_t num_temporal_layers,
+                    unsigned char num_spatial_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;
+    if (payload_name == "VP9") {
+      VideoCodecVP9 vp9_settings = VideoEncoder::GetDefaultVp9Settings();
+      vp9_settings.numberOfSpatialLayers = num_spatial_layers;
+      video_encoder_config.encoder_specific_settings =
+          new rtc::RefCountedObject<
+              VideoEncoderConfig::Vp9EncoderSpecificSettings>(vp9_settings);
+    }
     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;
@@ skipping 449 matching lines @@
   EXPECT_EQ(codec_height_, fake_encoder_.codec_config().height);
   EXPECT_EQ(2, sink_.number_of_reconfigurations());
 
   video_stream_encoder_->Stop();
 }
 
 TEST_F(VideoStreamEncoderTest, Vp8ResilienceIsOffFor1S1TLWithNackEnabled) {
   const bool kNackEnabled = true;
   const size_t kNumStreams = 1;
   const size_t kNumTl = 1;
-  ResetEncoder("VP8", kNumStreams, kNumTl, kNackEnabled, false);
+  ResetEncoder("VP8", kNumStreams, kNumTl, kNumSlDummy, kNackEnabled, false);
   video_stream_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);
   video_stream_encoder_->Stop();
 }
 
 TEST_F(VideoStreamEncoderTest, Vp8ResilienceIsOffFor2S1TlWithNackEnabled) {
   const bool kNackEnabled = true;
   const size_t kNumStreams = 2;
   const size_t kNumTl = 1;
-  ResetEncoder("VP8", kNumStreams, kNumTl, kNackEnabled, false);
+  ResetEncoder("VP8", kNumStreams, kNumTl, kNumSlDummy, kNackEnabled, false);
   video_stream_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);
   video_stream_encoder_->Stop();
 }
 
 TEST_F(VideoStreamEncoderTest, Vp8ResilienceIsOnFor1S1TLWithNackDisabled) {
   const bool kNackEnabled = false;
   const size_t kNumStreams = 1;
   const size_t kNumTl = 1;
-  ResetEncoder("VP8", kNumStreams, kNumTl, kNackEnabled, false);
+  ResetEncoder("VP8", kNumStreams, kNumTl, kNumSlDummy, kNackEnabled, false);
   video_stream_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);
   video_stream_encoder_->Stop();
 }
 
 TEST_F(VideoStreamEncoderTest, Vp8ResilienceIsOnFor1S2TlWithNackEnabled) {
   const bool kNackEnabled = true;
   const size_t kNumStreams = 1;
   const size_t kNumTl = 2;
-  ResetEncoder("VP8", kNumStreams, kNumTl, kNackEnabled, false);
+  ResetEncoder("VP8", kNumStreams, kNumTl, kNumSlDummy, kNackEnabled, false);
   video_stream_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);
   video_stream_encoder_->Stop();
 }
 
+TEST_F(VideoStreamEncoderTest, Vp9ResilienceIsOffFor1SL1TLWithNackEnabled) {
+  const bool kNackEnabled = true;
+  const size_t kNumStreams = 1;
+  const size_t kNumTl = 1;
+  const unsigned char kNumSl = 1;
+  ResetEncoder("VP9", kNumStreams, kNumTl, kNumSl, kNackEnabled, false);
+  video_stream_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0);
+
+  // Capture a frame and wait for it to synchronize with the encoder thread.
+  video_source_.IncomingCapturedFrame(CreateFrame(1, nullptr));
+  sink_.WaitForEncodedFrame(1);
+  // The encoder have been configured once when the first frame is received.
+  EXPECT_EQ(1, sink_.number_of_reconfigurations());
+  EXPECT_EQ(kVideoCodecVP9, fake_encoder_.codec_config().codecType);
+  EXPECT_EQ(kNumStreams, fake_encoder_.codec_config().numberOfSimulcastStreams);
+  EXPECT_EQ(kNumTl, fake_encoder_.codec_config().VP9()->numberOfTemporalLayers);
+  EXPECT_EQ(kNumSl, fake_encoder_.codec_config().VP9()->numberOfSpatialLayers);
+  // Resilience is off for no spatial and temporal layers with nack on.
+  EXPECT_FALSE(fake_encoder_.codec_config().VP9()->resilienceOn);
+  video_stream_encoder_->Stop();
+}
+
+TEST_F(VideoStreamEncoderTest, Vp9ResilienceIsOnFor1SL1TLWithNackDisabled) {
+  const bool kNackEnabled = false;
+  const size_t kNumStreams = 1;
+  const size_t kNumTl = 1;
+  const unsigned char kNumSl = 1;
+  ResetEncoder("VP9", kNumStreams, kNumTl, kNumSl, kNackEnabled, false);
+  video_stream_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0);
+
+  // Capture a frame and wait for it to synchronize with the encoder thread.
+  video_source_.IncomingCapturedFrame(CreateFrame(1, nullptr));
+  sink_.WaitForEncodedFrame(1);
+  // The encoder have been configured once when the first frame is received.
+  EXPECT_EQ(1, sink_.number_of_reconfigurations());
+  EXPECT_EQ(kVideoCodecVP9, fake_encoder_.codec_config().codecType);
+  EXPECT_EQ(kNumStreams, fake_encoder_.codec_config().numberOfSimulcastStreams);
+  EXPECT_EQ(kNumTl, fake_encoder_.codec_config().VP9()->numberOfTemporalLayers);
+  EXPECT_EQ(kNumSl, fake_encoder_.codec_config().VP9()->numberOfSpatialLayers);
+  // Resilience is on if nack is off.
+  EXPECT_TRUE(fake_encoder_.codec_config().VP9()->resilienceOn);
+  video_stream_encoder_->Stop();
+}
+
+TEST_F(VideoStreamEncoderTest, Vp9ResilienceIsOnFor2SL1TLWithNackEnabled) {
+  const bool kNackEnabled = true;
+  const size_t kNumStreams = 1;
+  const size_t kNumTl = 1;
+  const unsigned char kNumSl = 2;
+  ResetEncoder("VP9", kNumStreams, kNumTl, kNumSl, kNackEnabled, false);
+  video_stream_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0);
+
+  // Capture a frame and wait for it to synchronize with the encoder thread.
+  video_source_.IncomingCapturedFrame(CreateFrame(1, nullptr));
+  sink_.WaitForEncodedFrame(1);
+  // The encoder have been configured once when the first frame is received.
+  EXPECT_EQ(1, sink_.number_of_reconfigurations());
+  EXPECT_EQ(kVideoCodecVP9, fake_encoder_.codec_config().codecType);
+  EXPECT_EQ(kNumStreams, fake_encoder_.codec_config().numberOfSimulcastStreams);
+  EXPECT_EQ(kNumTl, fake_encoder_.codec_config().VP9()->numberOfTemporalLayers);
+  EXPECT_EQ(kNumSl, fake_encoder_.codec_config().VP9()->numberOfSpatialLayers);
+  // Resilience is on for spatial layers.
+  EXPECT_TRUE(fake_encoder_.codec_config().VP9()->resilienceOn);
+  video_stream_encoder_->Stop();
+}
+
+TEST_F(VideoStreamEncoderTest, Vp9ResilienceIsOnFor1SL2TLWithNackEnabled) {
+  const bool kNackEnabled = true;
+  const size_t kNumStreams = 1;
+  const size_t kNumTl = 2;
+  const unsigned char kNumSl = 1;
+  ResetEncoder("VP9", kNumStreams, kNumTl, kNumSl, kNackEnabled, false);
+  video_stream_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0);
+
+  // Capture a frame and wait for it to synchronize with the encoder thread.
+  video_source_.IncomingCapturedFrame(CreateFrame(1, nullptr));
+  sink_.WaitForEncodedFrame(1);
+  // The encoder have been configured once when the first frame is received.
+  EXPECT_EQ(1, sink_.number_of_reconfigurations());
+  EXPECT_EQ(kVideoCodecVP9, fake_encoder_.codec_config().codecType);
+  EXPECT_EQ(kNumStreams, fake_encoder_.codec_config().numberOfSimulcastStreams);
+  EXPECT_EQ(kNumTl, fake_encoder_.codec_config().VP9()->numberOfTemporalLayers);
+  EXPECT_EQ(kNumSl, fake_encoder_.codec_config().VP9()->numberOfSpatialLayers);
+  // Resilience is on for temporal layers.
+  EXPECT_TRUE(fake_encoder_.codec_config().VP9()->resilienceOn);
+  video_stream_encoder_->Stop();
+}
+
 TEST_F(VideoStreamEncoderTest, SwitchSourceDeregisterEncoderAsSink) {
   EXPECT_TRUE(video_source_.has_sinks());
   test::FrameForwarder new_video_source;
   video_stream_encoder_->SetSource(
       &new_video_source,
       VideoSendStream::DegradationPreference::kMaintainFramerate);
   EXPECT_FALSE(video_source_.has_sinks());
   EXPECT_TRUE(new_video_source.has_sinks());
 
   video_stream_encoder_->Stop();
@@ skipping 1568 matching lines @@
   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);
 
   video_stream_encoder_->Stop();
 }
 
 TEST_F(VideoStreamEncoderTest, FailingInitEncodeDoesntCauseCrash) {
   fake_encoder_.ForceInitEncodeFailure(true);
   video_stream_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0);
-  ResetEncoder("VP8", 2, 1, true, false);
+  ResetEncoder("VP8", 2, 1, 1, true, false);
   const int kFrameWidth = 1280;
   const int kFrameHeight = 720;
   video_source_.IncomingCapturedFrame(
       CreateFrame(1, kFrameWidth, kFrameHeight));
   ExpectDroppedFrame();
   video_stream_encoder_->Stop();
 }
 
 // TODO(sprang): Extend this with fps throttling and any "balanced" extensions.
 TEST_F(VideoStreamEncoderTest,
@@ skipping 126 matching lines @@
 
 TEST_F(VideoStreamEncoderTest, 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);
+  ResetEncoder("VP8", 1, 2, 1, true, true);
 
   video_stream_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0);
   video_stream_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.
@@ skipping 552 matching lines @@
   // Bitrate observer should not be called.
   EXPECT_CALL(bitrate_observer, OnBitrateAllocationUpdated(_)).Times(0);
   video_source_.IncomingCapturedFrame(
       CreateFrame(timestamp_ms, kFrameWidth, kFrameHeight));
   ExpectDroppedFrame();
 
   video_stream_encoder_->Stop();
 }
 
 }  // namespace webrtc