Cast: Flow hw encoder initialization error to extensions API

media/cast/sender/video_sender_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 <stdint.h>
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 33 matching lines @@
 void CreateSharedMemory(
     size_t size, const ReceiveVideoEncodeMemoryCallback& callback) {
   scoped_ptr<base::SharedMemory> shm(new base::SharedMemory());
   if (!shm->CreateAndMapAnonymous(size)) {
     NOTREACHED();
     return;
   }
   callback.Run(shm.Pass());
 }
 
+void SaveInitializationStatus(CastInitializationStatus* out_status,
+                              CastInitializationStatus in_status) {
+  *out_status = in_status;
+}
+
 class TestPacketSender : public PacketSender {
  public:
   TestPacketSender()
       : number_of_rtp_packets_(0),
         number_of_rtcp_packets_(0),
         paused_(false) {}
 
   // A singular packet implies a RTCP packet.
   virtual bool SendPacket(PacketRef packet,
                           const base::Closure& cb) OVERRIDE {
@@ skipping 40 matching lines @@
   PacketRef stored_packet_;
 
   DISALLOW_COPY_AND_ASSIGN(TestPacketSender);
 };
 
 class PeerVideoSender : public VideoSender {
  public:
   PeerVideoSender(
       scoped_refptr<CastEnvironment> cast_environment,
       const VideoSenderConfig& video_config,
+      const CastInitializationCallback& initialization_cb,
       const CreateVideoEncodeAcceleratorCallback& create_vea_cb,
       const CreateVideoEncodeMemoryCallback& create_video_encode_mem_cb,
       CastTransportSender* const transport_sender)
       : VideoSender(cast_environment,
                     video_config,
+                    initialization_cb,
                     create_vea_cb,
                     create_video_encode_mem_cb,
                     transport_sender) {}
   using VideoSender::OnReceivedCastFeedback;
 };
 }  // namespace
 
 class VideoSenderTest : public ::testing::Test {
  protected:
   VideoSenderTest() {
@@ skipping 22 matching lines @@
 
   virtual void TearDown() OVERRIDE {
     video_sender_.reset();
     task_runner_->RunTasks();
   }
 
   static void UpdateCastTransportStatus(CastTransportStatus status) {
     EXPECT_EQ(TRANSPORT_VIDEO_INITIALIZED, status);
   }
 
-  void InitEncoder(bool external) {
+  // If |external| is true then external video encoder (VEA) is used.
+  // |expect_init_sucess| is true if initialization is expected to succeed.
+  CastInitializationStatus InitEncoder(bool external,
+                                       bool expect_init_success) {
     VideoSenderConfig video_config;
     video_config.ssrc = 1;
     video_config.incoming_feedback_ssrc = 2;
     video_config.rtp_payload_type = 127;
     video_config.use_external_encoder = external;
     video_config.width = kWidth;
     video_config.height = kHeight;
     video_config.max_bitrate = 5000000;
     video_config.min_bitrate = 1000000;
     video_config.start_bitrate = 1000000;
     video_config.max_qp = 56;
     video_config.min_qp = 0;
     video_config.max_frame_rate = 30;
     video_config.max_number_of_video_buffers_used = 1;
     video_config.codec = CODEC_VIDEO_VP8;
+    CastInitializationStatus status = STATUS_VIDEO_UNINITIALIZED;
 
     if (external) {
-      scoped_ptr<VideoEncodeAccelerator> fake_vea(
-          new test::FakeVideoEncodeAccelerator(task_runner_,
-                                               &stored_bitrates_));
+      test::FakeVideoEncodeAccelerator* fake_vea =
+          new test::FakeVideoEncodeAccelerator(
+              task_runner_, &stored_bitrates_);
+      fake_vea->SetWillInitializationSucceed(expect_init_success);
+      scoped_ptr<VideoEncodeAccelerator> fake_vea_owner(fake_vea);
       video_sender_.reset(
           new PeerVideoSender(cast_environment_,
                               video_config,
+                              base::Bind(&SaveInitializationStatus,
+                                         &status),
                               base::Bind(&CreateVideoEncodeAccelerator,
                                          task_runner_,
-                                         base::Passed(&fake_vea)),
+                                         base::Passed(&fake_vea_owner)),
                               base::Bind(&CreateSharedMemory),
                               transport_sender_.get()));
     } else {
       video_sender_.reset(
           new PeerVideoSender(cast_environment_,
                               video_config,
+                              base::Bind(&SaveInitializationStatus,
+                                         &status),
                               CreateDefaultVideoEncodeAcceleratorCallback(),
                               CreateDefaultVideoEncodeMemoryCallback(),
                               transport_sender_.get()));
     }
-    ASSERT_EQ(STATUS_VIDEO_INITIALIZED, video_sender_->InitializationResult());
+    task_runner_->RunTasks();
+    return status;
   }
 
   scoped_refptr<media::VideoFrame> GetNewVideoFrame() {
     gfx::Size size(kWidth, kHeight);
     scoped_refptr<media::VideoFrame> video_frame =
         media::VideoFrame::CreateFrame(
             VideoFrame::I420, size, gfx::Rect(size), size, base::TimeDelta());
     PopulateVideoFrame(video_frame.get(), last_pixel_value_++);
     return video_frame;
   }
@@ skipping 17 matching lines @@
   scoped_refptr<test::FakeSingleThreadTaskRunner> task_runner_;
   scoped_ptr<PeerVideoSender> video_sender_;
   std::vector<uint32> stored_bitrates_;
   scoped_refptr<CastEnvironment> cast_environment_;
   int last_pixel_value_;
 
   DISALLOW_COPY_AND_ASSIGN(VideoSenderTest);
 };
 
 TEST_F(VideoSenderTest, BuiltInEncoder) {
-  InitEncoder(false);
+  EXPECT_EQ(STATUS_VIDEO_INITIALIZED, InitEncoder(false, true));
   scoped_refptr<media::VideoFrame> video_frame = GetNewVideoFrame();
 
   const base::TimeTicks capture_time = testing_clock_->NowTicks();
   video_sender_->InsertRawVideoFrame(video_frame, capture_time);
 
   task_runner_->RunTasks();
   EXPECT_LE(1, transport_.number_of_rtp_packets());
   EXPECT_LE(1, transport_.number_of_rtcp_packets());
 }
 
 TEST_F(VideoSenderTest, ExternalEncoder) {
-  InitEncoder(true);
-  task_runner_->RunTasks();
+  EXPECT_EQ(STATUS_VIDEO_INITIALIZED, InitEncoder(true, true));
 
   scoped_refptr<media::VideoFrame> video_frame = GetNewVideoFrame();
 
   const base::TimeTicks capture_time = testing_clock_->NowTicks();
   video_sender_->InsertRawVideoFrame(video_frame, capture_time);
   task_runner_->RunTasks();
   video_sender_->InsertRawVideoFrame(video_frame, capture_time);
   task_runner_->RunTasks();
   video_sender_->InsertRawVideoFrame(video_frame, capture_time);
   task_runner_->RunTasks();
 
   // Fixed bitrate is used for external encoder. Bitrate is only once
   // to the encoder.
   EXPECT_EQ(1u, stored_bitrates_.size());
+  video_sender_.reset(NULL);
+  task_runner_->RunTasks();
+}
 
-  // We need to run the task to cleanup the GPU instance.
+TEST_F(VideoSenderTest, ExternalEncoderInitFails) {
+  EXPECT_EQ(STATUS_HW_VIDEO_ENCODER_NOT_SUPPORTED,
+            InitEncoder(true, false));
   video_sender_.reset(NULL);
   task_runner_->RunTasks();
 }
 
 TEST_F(VideoSenderTest, RtcpTimer) {
-  InitEncoder(false);
+  EXPECT_EQ(STATUS_VIDEO_INITIALIZED, InitEncoder(false, true));
 
   scoped_refptr<media::VideoFrame> video_frame = GetNewVideoFrame();
 
   const base::TimeTicks capture_time = testing_clock_->NowTicks();
   video_sender_->InsertRawVideoFrame(video_frame, capture_time);
 
   // Make sure that we send at least one RTCP packet.
   base::TimeDelta max_rtcp_timeout =
       base::TimeDelta::FromMilliseconds(1 + kDefaultRtcpIntervalMs * 3 / 2);
 
   RunTasks(max_rtcp_timeout.InMilliseconds());
   EXPECT_LE(1, transport_.number_of_rtp_packets());
   EXPECT_LE(1, transport_.number_of_rtcp_packets());
   // Build Cast msg and expect RTCP packet.
   RtcpCastMessage cast_feedback(1);
   cast_feedback.media_ssrc = 2;
   cast_feedback.ack_frame_id = 0;
   video_sender_->OnReceivedCastFeedback(cast_feedback);
   RunTasks(max_rtcp_timeout.InMilliseconds());
   EXPECT_LE(1, transport_.number_of_rtcp_packets());
 }
 
 TEST_F(VideoSenderTest, ResendTimer) {
-  InitEncoder(false);
+  EXPECT_EQ(STATUS_VIDEO_INITIALIZED, InitEncoder(false, true));
 
   scoped_refptr<media::VideoFrame> video_frame = GetNewVideoFrame();
 
   const base::TimeTicks capture_time = testing_clock_->NowTicks();
   video_sender_->InsertRawVideoFrame(video_frame, capture_time);
 
   // ACK the key frame.
   RtcpCastMessage cast_feedback(1);
   cast_feedback.media_ssrc = 2;
   cast_feedback.ack_frame_id = 0;
   video_sender_->OnReceivedCastFeedback(cast_feedback);
 
   video_frame = GetNewVideoFrame();
   video_sender_->InsertRawVideoFrame(video_frame, capture_time);
 
   base::TimeDelta max_resend_timeout =
       base::TimeDelta::FromMilliseconds(1 + kDefaultRtpMaxDelayMs);
 
   // Make sure that we do a re-send.
   RunTasks(max_resend_timeout.InMilliseconds());
   // Should have sent at least 3 packets.
   EXPECT_LE(
       3,
       transport_.number_of_rtp_packets() + transport_.number_of_rtcp_packets());
 }
 
 TEST_F(VideoSenderTest, LogAckReceivedEvent) {
-  InitEncoder(false);
+  EXPECT_EQ(STATUS_VIDEO_INITIALIZED, InitEncoder(false, true));
   SimpleEventSubscriber event_subscriber;
   cast_environment_->Logging()->AddRawEventSubscriber(&event_subscriber);
 
   int num_frames = 10;
   for (int i = 0; i < num_frames; i++) {
     scoped_refptr<media::VideoFrame> video_frame = GetNewVideoFrame();
 
     const base::TimeTicks capture_time = testing_clock_->NowTicks();
     video_sender_->InsertRawVideoFrame(video_frame, capture_time);
     RunTasks(33);
@@ skipping 11 matching lines @@
 
   ASSERT_TRUE(!frame_events.empty());
   EXPECT_EQ(FRAME_ACK_RECEIVED, frame_events.rbegin()->type);
   EXPECT_EQ(VIDEO_EVENT, frame_events.rbegin()->media_type);
   EXPECT_EQ(num_frames - 1u, frame_events.rbegin()->frame_id);
 
   cast_environment_->Logging()->RemoveRawEventSubscriber(&event_subscriber);
 }
 
 TEST_F(VideoSenderTest, StopSendingInTheAbsenceOfAck) {
-  InitEncoder(false);
+  EXPECT_EQ(STATUS_VIDEO_INITIALIZED, InitEncoder(false, true));
   // Send a stream of frames and don't ACK; by default we shouldn't have more
   // than 4 frames in flight.
   scoped_refptr<media::VideoFrame> video_frame = GetNewVideoFrame();
   video_sender_->InsertRawVideoFrame(video_frame, testing_clock_->NowTicks());
   RunTasks(33);
 
   // Send 3 more frames and record the number of packets sent.
   for (int i = 0; i < 3; ++i) {
     scoped_refptr<media::VideoFrame> video_frame = GetNewVideoFrame();
     video_sender_->InsertRawVideoFrame(video_frame, testing_clock_->NowTicks());
@@ skipping 25 matching lines @@
 
   // Empty the pipeline.
   RunTasks(100);
   // Should have sent at least 7 packets.
   EXPECT_LE(
       7,
       transport_.number_of_rtp_packets() + transport_.number_of_rtcp_packets());
 }
 
 TEST_F(VideoSenderTest, DuplicateAckRetransmit) {
-  InitEncoder(false);
+  EXPECT_EQ(STATUS_VIDEO_INITIALIZED, InitEncoder(false, true));
   scoped_refptr<media::VideoFrame> video_frame = GetNewVideoFrame();
   video_sender_->InsertRawVideoFrame(video_frame, testing_clock_->NowTicks());
   RunTasks(33);
   RtcpCastMessage cast_feedback(1);
   cast_feedback.media_ssrc = 2;
   cast_feedback.ack_frame_id = 0;
 
   // Send 3 more frames but don't ACK.
   for (int i = 0; i < 3; ++i) {
     scoped_refptr<media::VideoFrame> video_frame = GetNewVideoFrame();
@@ skipping 19 matching lines @@
   for (int i = 0; i < 3; ++i) {
     RtcpCastMessage ack_feedback(1);
     ack_feedback.media_ssrc = 2;
     ack_feedback.ack_frame_id = 0;
     video_sender_->OnReceivedCastFeedback(ack_feedback);
   }
   EXPECT_EQ(number_of_packets_sent + 1, transport_.number_of_rtp_packets());
 }
 
 TEST_F(VideoSenderTest, DuplicateAckRetransmitDoesNotCancelRetransmits) {
-  InitEncoder(false);
+  EXPECT_EQ(STATUS_VIDEO_INITIALIZED, InitEncoder(false, true));
   scoped_refptr<media::VideoFrame> video_frame = GetNewVideoFrame();
   video_sender_->InsertRawVideoFrame(video_frame, testing_clock_->NowTicks());
   RunTasks(33);
   RtcpCastMessage cast_feedback(1);
   cast_feedback.media_ssrc = 2;
   cast_feedback.ack_frame_id = 0;
 
   // Send 2 more frames but don't ACK.
   for (int i = 0; i < 2; ++i) {
     scoped_refptr<media::VideoFrame> video_frame = GetNewVideoFrame();
@@ skipping 30 matching lines @@
     ack_feedback.ack_frame_id = 0;
     video_sender_->OnReceivedCastFeedback(ack_feedback);
   }
 
   transport_.SetPause(false);
   RunTasks(100);
   EXPECT_LT(number_of_packets_sent + 1, transport_.number_of_rtp_packets());
 }
 
 TEST_F(VideoSenderTest, AcksCancelRetransmits) {
-  InitEncoder(false);
+  EXPECT_EQ(STATUS_VIDEO_INITIALIZED, InitEncoder(false, true));
   transport_.SetPause(true);
   scoped_refptr<media::VideoFrame> video_frame = GetLargeNewVideoFrame();
   video_sender_->InsertRawVideoFrame(video_frame, testing_clock_->NowTicks());
   RunTasks(33);
 
   // Frame should be in buffer, waiting. Now let's ack it.
   RtcpCastMessage cast_feedback(1);
   cast_feedback.media_ssrc = 2;
   cast_feedback.ack_frame_id = 0;
   video_sender_->OnReceivedCastFeedback(cast_feedback);
 
   transport_.SetPause(false);
   RunTasks(33);
   EXPECT_EQ(0, transport_.number_of_rtp_packets());
 }
 
 }  // namespace cast
 }  // namespace media