media/cast/video_sender/external_video_encoder_unittest.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include <vector>
   6
   7 #include "base/bind.h"
   8 #include "base/memory/ref_counted.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "media/base/video_frame.h"
  11 #include "media/cast/cast_defines.h"
  12 #include "media/cast/cast_environment.h"
  13 #include "media/cast/test/fake_gpu_video_accelerator_factories.h"
  14 #include "media/cast/test/fake_task_runner.h"
  15 #include "media/cast/test/fake_video_encode_accelerator.h"
  16 #include "media/cast/test/video_utility.h"
  17 #include "media/cast/video_sender/external_video_encoder.h"
  18 #include "testing/gmock/include/gmock/gmock.h"
  19
  20 namespace media {
  21 namespace cast {
  22
  23 using testing::_;
  24
  25 namespace {
  26 class TestVideoEncoderCallback :
  27     public base::RefCountedThreadSafe<TestVideoEncoderCallback>  {
  28  public:
  29   TestVideoEncoderCallback() {}
  30
  31   void SetExpectedResult(bool expected_key_frame,
  32                          uint8 expected_frame_id,
  33                          uint8 expected_last_referenced_frame_id,
  34                          const base::TimeTicks& expected_capture_time) {
  35     expected_key_frame_ = expected_key_frame;
  36     expected_frame_id_ = expected_frame_id;
  37     expected_last_referenced_frame_id_ = expected_last_referenced_frame_id;
  38     expected_capture_time_ = expected_capture_time;
  39   }
  40
  41   void DeliverEncodedVideoFrame(
  42       scoped_ptr<transport::EncodedVideoFrame> encoded_frame,
  43       const base::TimeTicks& capture_time) {
  44     EXPECT_EQ(expected_key_frame_, encoded_frame->key_frame);
  45     EXPECT_EQ(expected_frame_id_, encoded_frame->frame_id);
  46     EXPECT_EQ(expected_last_referenced_frame_id_,
  47               encoded_frame->last_referenced_frame_id);
  48     EXPECT_EQ(expected_capture_time_, capture_time);
  49   }
  50
  51  protected:
  52   virtual ~TestVideoEncoderCallback() {}
  53
  54  private:
  55   friend class base::RefCountedThreadSafe<TestVideoEncoderCallback>;
  56
  57   bool expected_key_frame_;
  58   uint8 expected_frame_id_;
  59   uint8 expected_last_referenced_frame_id_;
  60   base::TimeTicks expected_capture_time_;
  61 };
  62 }  // namespace
  63
  64
  65 class ExternalVideoEncoderTest : public ::testing::Test {
  66  protected:
  67   ExternalVideoEncoderTest()
  68       : test_video_encoder_callback_(new TestVideoEncoderCallback()) {
  69     video_config_.sender_ssrc = 1;
  70     video_config_.incoming_feedback_ssrc = 2;
  71     video_config_.rtp_payload_type = 127;
  72     video_config_.use_external_encoder = true;
  73     video_config_.width = 320;
  74     video_config_.height = 240;
  75     video_config_.max_bitrate = 5000000;
  76     video_config_.min_bitrate = 1000000;
  77     video_config_.start_bitrate = 2000000;
  78     video_config_.max_qp = 56;
  79     video_config_.min_qp = 0;
  80     video_config_.max_frame_rate = 30;
  81     video_config_.max_number_of_video_buffers_used = 3;
  82     video_config_.codec = transport::kVp8;
  83     gfx::Size size(video_config_.width, video_config_.height);
  84     video_frame_ =  media::VideoFrame::CreateFrame(VideoFrame::I420,
  85         size, gfx::Rect(size), size, base::TimeDelta());
  86     PopulateVideoFrame(video_frame_, 123);
  87   }
  88
  89   virtual ~ExternalVideoEncoderTest() {}
  90
  91   virtual void SetUp() {
  92     task_runner_ = new test::FakeTaskRunner(&testing_clock_);
  93     cast_environment_ = new CastEnvironment(&testing_clock_, task_runner_,
  94         task_runner_, task_runner_, task_runner_, task_runner_, task_runner_,
  95         GetDefaultCastLoggingConfig());
  96     video_encoder_.reset(new ExternalVideoEncoder(
  97         cast_environment_,
  98         video_config_,
  99         new test::FakeGpuVideoAcceleratorFactories(task_runner_)));
 100   }
 101
 102   base::SimpleTestTickClock testing_clock_;
 103   scoped_refptr<TestVideoEncoderCallback> test_video_encoder_callback_;
 104   VideoSenderConfig video_config_;
 105   scoped_refptr<test::FakeTaskRunner> task_runner_;
 106   scoped_ptr<VideoEncoder> video_encoder_;
 107   scoped_refptr<media::VideoFrame> video_frame_;
 108   scoped_refptr<CastEnvironment> cast_environment_;
 109 };
 110
 111 TEST_F(ExternalVideoEncoderTest, EncodePattern30fpsRunningOutOfAck) {
 112   task_runner_->RunTasks();  // Run the initializer on the correct thread.
 113
 114   VideoEncoder::FrameEncodedCallback frame_encoded_callback =
 115       base::Bind(&TestVideoEncoderCallback::DeliverEncodedVideoFrame,
 116                  test_video_encoder_callback_.get());
 117
 118   base::TimeTicks capture_time;
 119   capture_time += base::TimeDelta::FromMilliseconds(33);
 120   test_video_encoder_callback_->SetExpectedResult(true, 0, 0, capture_time);
 121   EXPECT_TRUE(video_encoder_->EncodeVideoFrame(video_frame_, capture_time,
 122   frame_encoded_callback));
 123   task_runner_->RunTasks();
 124
 125   for (int i = 0; i < 6; ++i) {
 126     capture_time += base::TimeDelta::FromMilliseconds(33);
 127     test_video_encoder_callback_->SetExpectedResult(false, i + 1, i,
 128                                                     capture_time);
 129     EXPECT_TRUE(video_encoder_->EncodeVideoFrame(video_frame_, capture_time,
 130                                                  frame_encoded_callback));
 131     task_runner_->RunTasks();
 132   }
 133   // We need to run the task to cleanup the GPU instance.
 134   video_encoder_.reset(NULL);
 135   task_runner_->RunTasks();
 136 }
 137
 138 }  // namespace cast
 139 }  // namespace media