1 files changed, 191 insertions, 0 deletions
diff --git a/chromium/media/cast/video_sender/external_video_encoder_unittest.cc b/chromium/media/cast/video_sender/external_video_encoder_unittest.cc
new file mode 100644
index 00000000000..853258ce30a
--- /dev/null
+++ b/chromium/media/cast/video_sender/external_video_encoder_unittest.cc
@@ -0,0 +1,191 @@
+// 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 <vector>
+
+#include "base/bind.h"
+#include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
+#include "media/base/video_frame.h"
+#include "media/cast/cast_defines.h"
+#include "media/cast/cast_environment.h"
+#include "media/cast/test/fake_single_thread_task_runner.h"
+#include "media/cast/test/fake_video_encode_accelerator.h"
+#include "media/cast/test/utility/video_utility.h"
+#include "media/cast/video_sender/external_video_encoder.h"
+#include "testing/gmock/include/gmock/gmock.h"
+
+namespace media {
+namespace cast {
+
+using testing::_;
+
+namespace {
+
+void CreateVideoEncodeAccelerator(
+    const scoped_refptr<base::SingleThreadTaskRunner>& task_runner,
+    scoped_ptr<VideoEncodeAccelerator> fake_vea,
+    const ReceiveVideoEncodeAcceleratorCallback& callback) {
+  callback.Run(task_runner, fake_vea.Pass());
+}
+
+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());
+}
+
+class TestVideoEncoderCallback
+    : public base::RefCountedThreadSafe<TestVideoEncoderCallback> {
+ public:
+  TestVideoEncoderCallback() {}
+
+  void SetExpectedResult(uint32 expected_frame_id,
+                         uint32 expected_last_referenced_frame_id,
+                         const base::TimeTicks& expected_capture_time) {
+    expected_frame_id_ = expected_frame_id;
+    expected_last_referenced_frame_id_ = expected_last_referenced_frame_id;
+    expected_capture_time_ = expected_capture_time;
+  }
+
+  void DeliverEncodedVideoFrame(
+      scoped_ptr<transport::EncodedFrame> encoded_frame) {
+    if (expected_frame_id_ == expected_last_referenced_frame_id_) {
+      EXPECT_EQ(transport::EncodedFrame::KEY, encoded_frame->dependency);
+    } else {
+      EXPECT_EQ(transport::EncodedFrame::DEPENDENT,
+                encoded_frame->dependency);
+    }
+    EXPECT_EQ(expected_frame_id_, encoded_frame->frame_id);
+    EXPECT_EQ(expected_last_referenced_frame_id_,
+              encoded_frame->referenced_frame_id);
+    EXPECT_EQ(expected_capture_time_, encoded_frame->reference_time);
+  }
+
+ protected:
+  virtual ~TestVideoEncoderCallback() {}
+
+ private:
+  friend class base::RefCountedThreadSafe<TestVideoEncoderCallback>;
+
+  bool expected_key_frame_;
+  uint32 expected_frame_id_;
+  uint32 expected_last_referenced_frame_id_;
+  base::TimeTicks expected_capture_time_;
+
+  DISALLOW_COPY_AND_ASSIGN(TestVideoEncoderCallback);
+};
+}  // namespace
+
+class ExternalVideoEncoderTest : public ::testing::Test {
+ protected:
+  ExternalVideoEncoderTest()
+      : test_video_encoder_callback_(new TestVideoEncoderCallback()) {
+    video_config_.rtp_config.ssrc = 1;
+    video_config_.incoming_feedback_ssrc = 2;
+    video_config_.rtp_config.payload_type = 127;
+    video_config_.use_external_encoder = true;
+    video_config_.width = 320;
+    video_config_.height = 240;
+    video_config_.max_bitrate = 5000000;
+    video_config_.min_bitrate = 1000000;
+    video_config_.start_bitrate = 2000000;
+    video_config_.max_qp = 56;
+    video_config_.min_qp = 0;
+    video_config_.max_frame_rate = 30;
+    video_config_.max_number_of_video_buffers_used = 3;
+    video_config_.codec = transport::kVp8;
+    gfx::Size size(video_config_.width, video_config_.height);
+    video_frame_ = media::VideoFrame::CreateFrame(
+        VideoFrame::I420, size, gfx::Rect(size), size, base::TimeDelta());
+    PopulateVideoFrame(video_frame_, 123);
+
+    testing_clock_ = new base::SimpleTestTickClock();
+    task_runner_ = new test::FakeSingleThreadTaskRunner(testing_clock_);
+    cast_environment_ =
+        new CastEnvironment(scoped_ptr<base::TickClock>(testing_clock_).Pass(),
+                            task_runner_,
+                            task_runner_,
+                            task_runner_);
+
+    fake_vea_ = new test::FakeVideoEncodeAccelerator(task_runner_);
+    scoped_ptr<VideoEncodeAccelerator> fake_vea(fake_vea_);
+    video_encoder_.reset(
+        new ExternalVideoEncoder(cast_environment_,
+                                 video_config_,
+                                 base::Bind(&CreateVideoEncodeAccelerator,
+                                            task_runner_,
+                                            base::Passed(&fake_vea)),
+                                 base::Bind(&CreateSharedMemory)));
+  }
+
+  virtual ~ExternalVideoEncoderTest() {}
+
+  base::SimpleTestTickClock* testing_clock_;  // Owned by CastEnvironment.
+  test::FakeVideoEncodeAccelerator* fake_vea_;  // Owned by video_encoder_.
+  scoped_refptr<TestVideoEncoderCallback> test_video_encoder_callback_;
+  VideoSenderConfig video_config_;
+  scoped_refptr<test::FakeSingleThreadTaskRunner> task_runner_;
+  scoped_ptr<VideoEncoder> video_encoder_;
+  scoped_refptr<media::VideoFrame> video_frame_;
+  scoped_refptr<CastEnvironment> cast_environment_;
+
+  DISALLOW_COPY_AND_ASSIGN(ExternalVideoEncoderTest);
+};
+
+TEST_F(ExternalVideoEncoderTest, EncodePattern30fpsRunningOutOfAck) {
+  task_runner_->RunTasks();  // Run the initializer on the correct thread.
+
+  VideoEncoder::FrameEncodedCallback frame_encoded_callback =
+      base::Bind(&TestVideoEncoderCallback::DeliverEncodedVideoFrame,
+                 test_video_encoder_callback_.get());
+
+  base::TimeTicks capture_time;
+  capture_time += base::TimeDelta::FromMilliseconds(33);
+  test_video_encoder_callback_->SetExpectedResult(0, 0, capture_time);
+  EXPECT_TRUE(video_encoder_->EncodeVideoFrame(
+      video_frame_, capture_time, frame_encoded_callback));
+  task_runner_->RunTasks();
+
+  for (int i = 0; i < 6; ++i) {
+    capture_time += base::TimeDelta::FromMilliseconds(33);
+    test_video_encoder_callback_->SetExpectedResult(i + 1, i, capture_time);
+    EXPECT_TRUE(video_encoder_->EncodeVideoFrame(
+        video_frame_, capture_time, frame_encoded_callback));
+    task_runner_->RunTasks();
+  }
+  // We need to run the task to cleanup the GPU instance.
+  video_encoder_.reset(NULL);
+  task_runner_->RunTasks();
+}
+
+TEST_F(ExternalVideoEncoderTest, StreamHeader) {
+  task_runner_->RunTasks();  // Run the initializer on the correct thread.
+
+  VideoEncoder::FrameEncodedCallback frame_encoded_callback =
+      base::Bind(&TestVideoEncoderCallback::DeliverEncodedVideoFrame,
+                 test_video_encoder_callback_.get());
+
+  // Force the FakeVideoEncodeAccelerator to return a dummy non-key frame first.
+  fake_vea_->SendDummyFrameForTesting(false);
+
+  // Verify the first returned bitstream buffer is still a key frame.
+  base::TimeTicks capture_time;
+  capture_time += base::TimeDelta::FromMilliseconds(33);
+  test_video_encoder_callback_->SetExpectedResult(0, 0, capture_time);
+  EXPECT_TRUE(video_encoder_->EncodeVideoFrame(
+      video_frame_, capture_time, frame_encoded_callback));
+  task_runner_->RunTasks();
+
+  // We need to run the task to cleanup the GPU instance.
+  video_encoder_.reset(NULL);
+  task_runner_->RunTasks();
+}
+
+}  // namespace cast
+}  // namespace media