Cast: Limit number of events/packets in EncodingEventSubscriber protos.

media/cast/logging/encoding_event_subscriber_unittest.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/test/simple_test_tick_clock.h"
 #include "base/time/tick_clock.h"
 #include "media/cast/cast_environment.h"
 #include "media/cast/logging/encoding_event_subscriber.h"
@@ skipping 46 matching lines @@
   void GetEventsAndReset() {
     event_subscriber_->GetEventsAndReset(
         &metadata_, &frame_events_, &packet_events_);
     first_rtp_timestamp_ = metadata_.first_rtp_timestamp();
   }
 
   base::SimpleTestTickClock* testing_clock_;  // Owned by CastEnvironment.
   scoped_refptr<test::FakeSingleThreadTaskRunner> task_runner_;
   scoped_refptr<CastEnvironment> cast_environment_;
   scoped_ptr<EncodingEventSubscriber> event_subscriber_;
-  FrameEventMap frame_events_;
-  PacketEventMap packet_events_;
+  FrameEventList frame_events_;
+  PacketEventList packet_events_;
   LogMetadata metadata_;
   RtpTimestamp first_rtp_timestamp_;
 };
 
 TEST_F(EncodingEventSubscriberTest, FrameEventTruncating) {
   Init(VIDEO_EVENT);
 
   base::TimeTicks now(testing_clock_->NowTicks());
 
   // Entry with RTP timestamp 0 should get dropped.
   for (int i = 0; i < 11; i++) {
     cast_environment_->Logging()->InsertFrameEvent(now,
                                                    kVideoFrameCaptured,
                                                    i * 100,
                                                    /*frame_id*/ 0);
     cast_environment_->Logging()->InsertFrameEvent(now,
                                                    kVideoFrameDecoded,
                                                    i * 100,
                                                    /*frame_id*/ 0);
   }
 
   GetEventsAndReset();
 
   ASSERT_EQ(10u, frame_events_.size());
-  EXPECT_EQ(100u, frame_events_.begin()->first);
-  EXPECT_EQ(1000u, frame_events_.rbegin()->first);
+  EXPECT_EQ(100u, frame_events_.front()->relative_rtp_timestamp());
+  EXPECT_EQ(1000u, frame_events_.back()->relative_rtp_timestamp());
 }
 
 TEST_F(EncodingEventSubscriberTest, PacketEventTruncating) {
   Init(AUDIO_EVENT);
 
   base::TimeTicks now(testing_clock_->NowTicks());
 
   // Entry with RTP timestamp 0 should get dropped.
   for (int i = 0; i < 11; i++) {
     cast_environment_->Logging()->InsertPacketEvent(now,
                                                     kAudioPacketReceived,
                                                     /*rtp_timestamp*/ i * 100,
                                                     /*frame_id*/ 0,
                                                     /*packet_id*/ i,
                                                     /*max_packet_id*/ 10,
                                                     /*size*/ 123);
   }
 
   GetEventsAndReset();
 
   ASSERT_EQ(10u, packet_events_.size());
-  EXPECT_EQ(100u, packet_events_.begin()->first);
-  EXPECT_EQ(1000u, packet_events_.rbegin()->first);
+  EXPECT_EQ(100u, packet_events_.front()->relative_rtp_timestamp());
+  EXPECT_EQ(1000u, packet_events_.back()->relative_rtp_timestamp());
 }
 
 TEST_F(EncodingEventSubscriberTest, EventFiltering) {
   Init(VIDEO_EVENT);
 
   base::TimeTicks now(testing_clock_->NowTicks());
   RtpTimestamp rtp_timestamp = 100;
   cast_environment_->Logging()->InsertFrameEvent(now,
                                                  kVideoFrameDecoded,
                                                  rtp_timestamp,
                                                  /*frame_id*/ 0);
 
   // This is an AUDIO_EVENT and shouldn't be processed by the subscriber.
   cast_environment_->Logging()->InsertFrameEvent(now,
                                                  kAudioFrameDecoded,
                                                  rtp_timestamp,
                                                  /*frame_id*/ 0);
 
   GetEventsAndReset();
 
-  FrameEventMap::iterator frame_it = frame_events_.find(0);
-  ASSERT_TRUE(frame_it != frame_events_.end());
+  ASSERT_EQ(1u, frame_events_.size());
+  FrameEventList::iterator it = frame_events_.begin();
 
-  linked_ptr<AggregatedFrameEvent> frame_event = frame_it->second;
+  linked_ptr<AggregatedFrameEvent> frame_event = *it;
 
   ASSERT_EQ(1, frame_event->event_type_size());
   EXPECT_EQ(media::cast::proto::VIDEO_FRAME_DECODED,
             frame_event->event_type(0));
 
   GetEventsAndReset();
 
   EXPECT_TRUE(packet_events_.empty());
 }
 
 TEST_F(EncodingEventSubscriberTest, FrameEvent) {
   Init(VIDEO_EVENT);
   base::TimeTicks now(testing_clock_->NowTicks());
   RtpTimestamp rtp_timestamp = 100;
   cast_environment_->Logging()->InsertFrameEvent(now, kVideoFrameDecoded,
                                                  rtp_timestamp,
                                                  /*frame_id*/ 0);
 
   GetEventsAndReset();
 
   ASSERT_EQ(1u, frame_events_.size());
 
   RtpTimestamp relative_rtp_timestamp = rtp_timestamp - first_rtp_timestamp_;
-  FrameEventMap::iterator it = frame_events_.find(relative_rtp_timestamp);
-  ASSERT_TRUE(it != frame_events_.end());
+  FrameEventList::iterator it = frame_events_.begin();
 
-  linked_ptr<AggregatedFrameEvent> event = it->second;
+  linked_ptr<AggregatedFrameEvent> event = *it;
 
   EXPECT_EQ(relative_rtp_timestamp, event->relative_rtp_timestamp());
 
   ASSERT_EQ(1, event->event_type_size());
   EXPECT_EQ(media::cast::proto::VIDEO_FRAME_DECODED, event->event_type(0));
   ASSERT_EQ(1, event->event_timestamp_ms_size());
   EXPECT_EQ(InMilliseconds(now), event->event_timestamp_ms(0));
 
   EXPECT_EQ(0, event->encoded_frame_size());
   EXPECT_EQ(0, event->delay_millis());
 
   GetEventsAndReset();
   EXPECT_TRUE(frame_events_.empty());
 }
 
 TEST_F(EncodingEventSubscriberTest, FrameEventDelay) {
   Init(AUDIO_EVENT);
   base::TimeTicks now(testing_clock_->NowTicks());
   RtpTimestamp rtp_timestamp = 100;
   int delay_ms = 100;
   cast_environment_->Logging()->InsertFrameEventWithDelay(
       now, kAudioPlayoutDelay, rtp_timestamp,
       /*frame_id*/ 0, base::TimeDelta::FromMilliseconds(delay_ms));
 
   GetEventsAndReset();
 
   ASSERT_EQ(1u, frame_events_.size());
 
   RtpTimestamp relative_rtp_timestamp = rtp_timestamp - first_rtp_timestamp_;
-  FrameEventMap::iterator it = frame_events_.find(relative_rtp_timestamp);
-  ASSERT_TRUE(it != frame_events_.end());
+  FrameEventList::iterator it = frame_events_.begin();
 
-  linked_ptr<AggregatedFrameEvent> event = it->second;
+  linked_ptr<AggregatedFrameEvent> event = *it;
 
   EXPECT_EQ(relative_rtp_timestamp, event->relative_rtp_timestamp());
 
   ASSERT_EQ(1, event->event_type_size());
   EXPECT_EQ(media::cast::proto::AUDIO_PLAYOUT_DELAY, event->event_type(0));
   ASSERT_EQ(1, event->event_timestamp_ms_size());
   EXPECT_EQ(InMilliseconds(now), event->event_timestamp_ms(0));
 
   EXPECT_EQ(0, event->encoded_frame_size());
   EXPECT_EQ(100, event->delay_millis());
   EXPECT_FALSE(event->has_key_frame());
 }
 
 TEST_F(EncodingEventSubscriberTest, FrameEventSize) {
   Init(VIDEO_EVENT);
   base::TimeTicks now(testing_clock_->NowTicks());
   RtpTimestamp rtp_timestamp = 100;
   int size = 123;
   bool key_frame = true;
   cast_environment_->Logging()->InsertEncodedFrameEvent(
       now, kVideoFrameEncoded, rtp_timestamp,
       /*frame_id*/ 0, size, key_frame);
 
   GetEventsAndReset();
 
   ASSERT_EQ(1u, frame_events_.size());
 
   RtpTimestamp relative_rtp_timestamp = rtp_timestamp - first_rtp_timestamp_;
-  FrameEventMap::iterator it = frame_events_.find(relative_rtp_timestamp);
-  ASSERT_TRUE(it != frame_events_.end());
+  FrameEventList::iterator it = frame_events_.begin();
 
-  linked_ptr<AggregatedFrameEvent> event = it->second;
+  linked_ptr<AggregatedFrameEvent> event = *it;
 
   EXPECT_EQ(relative_rtp_timestamp, event->relative_rtp_timestamp());
 
   ASSERT_EQ(1, event->event_type_size());
   EXPECT_EQ(media::cast::proto::VIDEO_FRAME_ENCODED, event->event_type(0));
   ASSERT_EQ(1, event->event_timestamp_ms_size());
   EXPECT_EQ(InMilliseconds(now), event->event_timestamp_ms(0));
 
   EXPECT_EQ(size, event->encoded_frame_size());
   EXPECT_EQ(0, event->delay_millis());
@@ skipping 19 matching lines @@
   testing_clock_->Advance(base::TimeDelta::FromMilliseconds(20));
   base::TimeTicks now3(testing_clock_->NowTicks());
   cast_environment_->Logging()->InsertFrameEvent(
       now3, kAudioFrameDecoded, rtp_timestamp1, /*frame_id*/ 0);
 
   GetEventsAndReset();
 
   ASSERT_EQ(2u, frame_events_.size());
 
   RtpTimestamp relative_rtp_timestamp = rtp_timestamp1 - first_rtp_timestamp_;
-  FrameEventMap::iterator it = frame_events_.find(relative_rtp_timestamp);
-  ASSERT_TRUE(it != frame_events_.end());
+  FrameEventList::iterator it = frame_events_.begin();
 
-  linked_ptr<AggregatedFrameEvent> event = it->second;
+  linked_ptr<AggregatedFrameEvent> event = *it;
 
   EXPECT_EQ(relative_rtp_timestamp, event->relative_rtp_timestamp());
 
   ASSERT_EQ(2, event->event_type_size());
   EXPECT_EQ(media::cast::proto::AUDIO_PLAYOUT_DELAY, event->event_type(0));
   EXPECT_EQ(media::cast::proto::AUDIO_FRAME_DECODED, event->event_type(1));
 
   ASSERT_EQ(2, event->event_timestamp_ms_size());
   EXPECT_EQ(InMilliseconds(now1), event->event_timestamp_ms(0));
   EXPECT_EQ(InMilliseconds(now3), event->event_timestamp_ms(1));
 
   EXPECT_FALSE(event->has_key_frame());
 
   relative_rtp_timestamp = rtp_timestamp2 - first_rtp_timestamp_;
-  it = frame_events_.find(relative_rtp_timestamp);
-  ASSERT_TRUE(it != frame_events_.end());
+  ++it;
 
-  event = it->second;
+  event = *it;
 
   EXPECT_EQ(relative_rtp_timestamp, event->relative_rtp_timestamp());
 
   ASSERT_EQ(1, event->event_type_size());
   EXPECT_EQ(media::cast::proto::AUDIO_FRAME_ENCODED, event->event_type(0));
 
   ASSERT_EQ(1, event->event_timestamp_ms_size());
   EXPECT_EQ(InMilliseconds(now2), event->event_timestamp_ms(0));
 
   EXPECT_FALSE(event->has_key_frame());
 }
 
 TEST_F(EncodingEventSubscriberTest, PacketEvent) {
   Init(AUDIO_EVENT);
   base::TimeTicks now(testing_clock_->NowTicks());
   RtpTimestamp rtp_timestamp = 100;
   int packet_id = 2;
   int size = 100;
   cast_environment_->Logging()->InsertPacketEvent(
       now, kAudioPacketReceived, rtp_timestamp, /*frame_id*/ 0, packet_id,
       /*max_packet_id*/ 10, size);
 
   GetEventsAndReset();
 
   ASSERT_EQ(1u, packet_events_.size());
 
   RtpTimestamp relative_rtp_timestamp = rtp_timestamp - first_rtp_timestamp_;
-  PacketEventMap::iterator it = packet_events_.find(relative_rtp_timestamp);
-  ASSERT_TRUE(it != packet_events_.end());
+  PacketEventList::iterator it = packet_events_.begin();
 
-  linked_ptr<AggregatedPacketEvent> event = it->second;
+  linked_ptr<AggregatedPacketEvent> event = *it;
 
   EXPECT_EQ(relative_rtp_timestamp, event->relative_rtp_timestamp());
 
   ASSERT_EQ(1, event->base_packet_event_size());
   const BasePacketEvent& base_event = event->base_packet_event(0);
   EXPECT_EQ(packet_id, base_event.packet_id());
   ASSERT_EQ(1, base_event.event_type_size());
   EXPECT_EQ(media::cast::proto::AUDIO_PACKET_RECEIVED,
             base_event.event_type(0));
   ASSERT_EQ(1, base_event.event_timestamp_ms_size());
@@ skipping 25 matching lines @@
                                                   /*frame_id*/ 0,
                                                   packet_id,
                                                   /*max_packet_id*/ 10,
                                                   size);
 
   GetEventsAndReset();
 
   ASSERT_EQ(1u, packet_events_.size());
 
   RtpTimestamp relative_rtp_timestamp = rtp_timestamp - first_rtp_timestamp_;
-  PacketEventMap::iterator it = packet_events_.find(relative_rtp_timestamp);
-  ASSERT_TRUE(it != packet_events_.end());
+  PacketEventList::iterator it = packet_events_.begin();
 
-  linked_ptr<AggregatedPacketEvent> event = it->second;
+  linked_ptr<AggregatedPacketEvent> event = *it;
 
   EXPECT_EQ(relative_rtp_timestamp, event->relative_rtp_timestamp());
 
   ASSERT_EQ(1, event->base_packet_event_size());
   const BasePacketEvent& base_event = event->base_packet_event(0);
   EXPECT_EQ(packet_id, base_event.packet_id());
   ASSERT_EQ(2, base_event.event_type_size());
   EXPECT_EQ(media::cast::proto::VIDEO_PACKET_SENT_TO_PACER,
             base_event.event_type(0));
   EXPECT_EQ(media::cast::proto::VIDEO_PACKET_SENT_TO_NETWORK,
@@ skipping 26 matching lines @@
                                                   /*frame_id*/ 0,
                                                   packet_id_2,
                                                   /*max_packet_id*/ 10,
                                                   size);
 
   GetEventsAndReset();
 
   ASSERT_EQ(1u, packet_events_.size());
 
   RtpTimestamp relative_rtp_timestamp = rtp_timestamp - first_rtp_timestamp_;
-  PacketEventMap::iterator it = packet_events_.find(relative_rtp_timestamp);
-  ASSERT_TRUE(it != packet_events_.end());
+  PacketEventList::iterator it = packet_events_.begin();
 
-  linked_ptr<AggregatedPacketEvent> event = it->second;
+  linked_ptr<AggregatedPacketEvent> event = *it;
 
   EXPECT_EQ(relative_rtp_timestamp, event->relative_rtp_timestamp());
 
   ASSERT_EQ(2, event->base_packet_event_size());
   const BasePacketEvent& base_event = event->base_packet_event(0);
   EXPECT_EQ(packet_id_1, base_event.packet_id());
   ASSERT_EQ(1, base_event.event_type_size());
   EXPECT_EQ(media::cast::proto::VIDEO_PACKET_SENT_TO_PACER,
             base_event.event_type(0));
   ASSERT_EQ(1, base_event.event_timestamp_ms_size());
@@ skipping 32 matching lines @@
                                                   /*frame_id*/ 0,
                                                   packet_id_2,
                                                   /*max_packet_id*/ 10,
                                                   size);
 
   GetEventsAndReset();
 
   ASSERT_EQ(2u, packet_events_.size());
 
   RtpTimestamp relative_rtp_timestamp = rtp_timestamp_1 - first_rtp_timestamp_;
-  PacketEventMap::iterator it = packet_events_.find(relative_rtp_timestamp);
-  ASSERT_TRUE(it != packet_events_.end());
+  PacketEventList::iterator it = packet_events_.begin();
 
-  linked_ptr<AggregatedPacketEvent> event = it->second;
+  linked_ptr<AggregatedPacketEvent> event = *it;
 
   EXPECT_EQ(relative_rtp_timestamp, event->relative_rtp_timestamp());
 
   ASSERT_EQ(1, event->base_packet_event_size());
   const BasePacketEvent& base_event = event->base_packet_event(0);
   EXPECT_EQ(packet_id_1, base_event.packet_id());
   ASSERT_EQ(1, base_event.event_type_size());
   EXPECT_EQ(media::cast::proto::VIDEO_PACKET_SENT_TO_PACER,
             base_event.event_type(0));
   ASSERT_EQ(1, base_event.event_timestamp_ms_size());
   EXPECT_EQ(InMilliseconds(now1), base_event.event_timestamp_ms(0));
 
   relative_rtp_timestamp = rtp_timestamp_2 - first_rtp_timestamp_;
-  it = packet_events_.find(relative_rtp_timestamp);
+  ++it;
   ASSERT_TRUE(it != packet_events_.end());
 
-  event = it->second;
-
+  event = *it;
   EXPECT_EQ(relative_rtp_timestamp, event->relative_rtp_timestamp());
 
   ASSERT_EQ(1, event->base_packet_event_size());
   const BasePacketEvent& base_event_2 = event->base_packet_event(0);
   EXPECT_EQ(packet_id_2, base_event_2.packet_id());
   ASSERT_EQ(1, base_event_2.event_type_size());
   EXPECT_EQ(media::cast::proto::VIDEO_PACKET_RETRANSMITTED,
             base_event_2.event_type(0));
   ASSERT_EQ(1, base_event_2.event_timestamp_ms_size());
   EXPECT_EQ(InMilliseconds(now2), base_event_2.event_timestamp_ms(0));
@@ skipping 10 matching lines @@
                                                  /*frame_id*/ 0);
 
   cast_environment_->Logging()->InsertFrameEvent(now,
                                                  kVideoFrameReceived,
                                                  rtp_timestamp + 30,
                                                  /*frame_id*/ 1);
 
   GetEventsAndReset();
 
   EXPECT_EQ(rtp_timestamp, first_rtp_timestamp_);
-  FrameEventMap::iterator it = frame_events_.find(0);
+  FrameEventList::iterator it = frame_events_.begin();
   ASSERT_NE(frame_events_.end(), it);
+  EXPECT_EQ(0u, (*it)->relative_rtp_timestamp());
 
-  it = frame_events_.find(30);
+  ++it;
   ASSERT_NE(frame_events_.end(), it);
+  EXPECT_EQ(30u, (*it)->relative_rtp_timestamp());
 
   rtp_timestamp = 67890;
 
   cast_environment_->Logging()->InsertFrameEvent(now,
                                                  kVideoFrameCaptured,
                                                  rtp_timestamp,
                                                  /*frame_id*/ 0);
   GetEventsAndReset();
 
   EXPECT_EQ(rtp_timestamp, first_rtp_timestamp_);
@@ skipping 10 matching lines @@
                                                  /*frame_id*/ 0);
 
   // RtpTimestamp has now wrapped around.
   cast_environment_->Logging()->InsertFrameEvent(now,
                                                  kVideoFrameReceived,
                                                  rtp_timestamp + 30,
                                                  /*frame_id*/ 1);
 
   GetEventsAndReset();
 
-  FrameEventMap::iterator it = frame_events_.find(0);
+  FrameEventList::iterator it = frame_events_.begin();
   ASSERT_NE(frame_events_.end(), it);
+  EXPECT_EQ(0u, (*it)->relative_rtp_timestamp());
 
-  it = frame_events_.find(30);
+  ++it;
   ASSERT_NE(frame_events_.end(), it);
+  EXPECT_EQ(30u, (*it)->relative_rtp_timestamp());
+}
+
+TEST_F(EncodingEventSubscriberTest, MaxEventsPerProto) {
+  Init(VIDEO_EVENT);
+  RtpTimestamp rtp_timestamp = 100;
+  for (int i = 0; i < kMaxEventsPerProto + 1; i++) {
+    cast_environment_->Logging()->InsertFrameEvent(testing_clock_->NowTicks(),
+                                                   kVideoAckReceived,
+                                                   rtp_timestamp,
+                                                   /*frame_id*/ 0);
+    testing_clock_->Advance(base::TimeDelta::FromMilliseconds(30));
+  }
+
+  GetEventsAndReset();
+
+  ASSERT_EQ(2u, frame_events_.size());
+  FrameEventList::iterator frame_it = frame_events_.begin();
+  ASSERT_TRUE(frame_it != frame_events_.end());
+
+  linked_ptr<AggregatedFrameEvent> frame_event = *frame_it;
+
+  EXPECT_EQ(kMaxEventsPerProto, frame_event->event_type_size());
+
+  for (int i = 0; i < kMaxPacketsPerFrame + 1; i++) {
+    cast_environment_->Logging()->InsertPacketEvent(
+        testing_clock_->NowTicks(),
+        kVideoPacketRetransmitted,
+        rtp_timestamp,
+        /*frame_id*/ 0,
+        i,
+        kMaxPacketsPerFrame,
+        123);
+    testing_clock_->Advance(base::TimeDelta::FromMilliseconds(30));
+  }
+
+  GetEventsAndReset();
+
+  PacketEventList::iterator packet_it = packet_events_.begin();
+  ASSERT_TRUE(packet_it != packet_events_.end());
+
+  linked_ptr<AggregatedPacketEvent> packet_event = *packet_it;
+
+  EXPECT_EQ(kMaxPacketsPerFrame,
+      packet_event->base_packet_event_size());
+
+  for (int j = 0; j < kMaxEventsPerProto + 1; j++) {
+    cast_environment_->Logging()->InsertPacketEvent(
+        testing_clock_->NowTicks(),
+        kVideoPacketRetransmitted,
+        rtp_timestamp,
+        /*frame_id*/ 0,
+        0,
+        0,
+        123);
+    testing_clock_->Advance(base::TimeDelta::FromMilliseconds(30));
+  }
+
+  GetEventsAndReset();
+
+  packet_it = packet_events_.begin();
+  ASSERT_TRUE(packet_it != packet_events_.end());
+
+  packet_event = *packet_it;
+
+  EXPECT_EQ(kMaxEventsPerProto,
+      packet_event->base_packet_event(0).event_type_size());
 }
 
 }  // namespace cast
 }  // namespace media