src/content/renderer/media/rtc_video_decoder_unittest.cc

   1 // Copyright 2013 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 "base/bind.h"
   6 #include "base/message_loop/message_loop.h"
   7 #include "base/synchronization/waitable_event.h"
   8 #include "base/threading/thread.h"
   9 #include "content/renderer/media/rtc_video_decoder.h"
  10 #include "media/base/gmock_callback_support.h"
  11 #include "media/filters/mock_gpu_video_accelerator_factories.h"
  12 #include "media/video/mock_video_decode_accelerator.h"
  13 #include "testing/gtest/include/gtest/gtest.h"
  14
  15 using ::testing::_;
  16 using ::testing::Invoke;
  17 using ::testing::Return;
  18 using ::testing::SaveArg;
  19 using ::testing::WithArgs;
  20
  21 namespace content {
  22
  23 // TODO(wuchengli): add MockSharedMemroy so more functions can be tested.
  24 class RTCVideoDecoderTest : public ::testing::Test,
  25                             webrtc::DecodedImageCallback {
  26  public:
  27   RTCVideoDecoderTest()
  28       : mock_gpu_factories_(new media::MockGpuVideoAcceleratorFactories),
  29         vda_thread_("vda_thread"),
  30         idle_waiter_(false, false) {
  31     memset(&codec_, 0, sizeof(codec_));
  32   }
  33
  34   void SetUp() override {
  35     ASSERT_TRUE(vda_thread_.Start());
  36     vda_task_runner_ = vda_thread_.message_loop_proxy();
  37     mock_vda_ = new media::MockVideoDecodeAccelerator;
  38     EXPECT_CALL(*mock_gpu_factories_.get(), GetTaskRunner())
  39         .WillRepeatedly(Return(vda_task_runner_));
  40     EXPECT_CALL(*mock_gpu_factories_.get(), DoCreateVideoDecodeAccelerator())
  41         .WillRepeatedly(Return(mock_vda_));
  42     EXPECT_CALL(*mock_gpu_factories_.get(), CreateSharedMemory(_))
  43         .WillRepeatedly(Return(static_cast<base::SharedMemory*>(NULL)));
  44     EXPECT_CALL(*mock_vda_, Initialize(_, _))
  45         .Times(1)
  46         .WillRepeatedly(Return(true));
  47     EXPECT_CALL(*mock_vda_, Destroy()).Times(1);
  48   }
  49
  50   void TearDown() override {
  51     VLOG(2) << "TearDown";
  52     EXPECT_TRUE(vda_thread_.IsRunning());
  53     RunUntilIdle();  // Wait until all callbascks complete.
  54     vda_task_runner_->DeleteSoon(FROM_HERE, rtc_decoder_.release());
  55     // Make sure the decoder is released before stopping the thread.
  56     RunUntilIdle();
  57     vda_thread_.Stop();
  58   }
  59
  60   int32_t Decoded(webrtc::I420VideoFrame& decoded_image) override {
  61     VLOG(2) << "Decoded";
  62     EXPECT_EQ(vda_task_runner_, base::MessageLoopProxy::current());
  63     return WEBRTC_VIDEO_CODEC_OK;
  64   }
  65
  66   void CreateDecoder(webrtc::VideoCodecType codec_type) {
  67     VLOG(2) << "CreateDecoder";
  68     codec_.codecType = codec_type;
  69     rtc_decoder_ =
  70         RTCVideoDecoder::Create(codec_type, mock_gpu_factories_);
  71   }
  72
  73   void Initialize() {
  74     VLOG(2) << "Initialize";
  75     EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, rtc_decoder_->InitDecode(&codec_, 1));
  76     EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK,
  77               rtc_decoder_->RegisterDecodeCompleteCallback(this));
  78   }
  79
  80   void NotifyResetDone() {
  81     VLOG(2) << "NotifyResetDone";
  82     vda_task_runner_->PostTask(
  83         FROM_HERE,
  84         base::Bind(&RTCVideoDecoder::NotifyResetDone,
  85                    base::Unretained(rtc_decoder_.get())));
  86   }
  87
  88   void RunUntilIdle() {
  89     VLOG(2) << "RunUntilIdle";
  90     vda_task_runner_->PostTask(FROM_HERE,
  91                                base::Bind(&base::WaitableEvent::Signal,
  92                                           base::Unretained(&idle_waiter_)));
  93     idle_waiter_.Wait();
  94   }
  95
  96  protected:
  97   scoped_refptr<media::MockGpuVideoAcceleratorFactories> mock_gpu_factories_;
  98   media::MockVideoDecodeAccelerator* mock_vda_;
  99   scoped_ptr<RTCVideoDecoder> rtc_decoder_;
 100   webrtc::VideoCodec codec_;
 101   base::Thread vda_thread_;
 102
 103  private:
 104   scoped_refptr<base::SingleThreadTaskRunner> vda_task_runner_;
 105
 106   base::Lock lock_;
 107   base::WaitableEvent idle_waiter_;
 108 };
 109
 110 TEST_F(RTCVideoDecoderTest, CreateReturnsNullOnUnsupportedCodec) {
 111   CreateDecoder(webrtc::kVideoCodecVP8);
 112   scoped_ptr<RTCVideoDecoder> null_rtc_decoder(
 113       RTCVideoDecoder::Create(webrtc::kVideoCodecI420, mock_gpu_factories_));
 114   EXPECT_EQ(NULL, null_rtc_decoder.get());
 115 }
 116
 117 TEST_F(RTCVideoDecoderTest, CreateAndInitSucceedsForH264Codec) {
 118   CreateDecoder(webrtc::kVideoCodecH264);
 119   EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, rtc_decoder_->InitDecode(&codec_, 1));
 120 }
 121
 122 TEST_F(RTCVideoDecoderTest, InitDecodeReturnsErrorOnFeedbackMode) {
 123   CreateDecoder(webrtc::kVideoCodecVP8);
 124   codec_.codecSpecific.VP8.feedbackModeOn = true;
 125   EXPECT_EQ(WEBRTC_VIDEO_CODEC_ERROR, rtc_decoder_->InitDecode(&codec_, 1));
 126 }
 127
 128 TEST_F(RTCVideoDecoderTest, DecodeReturnsErrorWithoutInitDecode) {
 129   CreateDecoder(webrtc::kVideoCodecVP8);
 130   webrtc::EncodedImage input_image;
 131   EXPECT_EQ(WEBRTC_VIDEO_CODEC_UNINITIALIZED,
 132             rtc_decoder_->Decode(input_image, false, NULL, NULL, 0));
 133 }
 134
 135 TEST_F(RTCVideoDecoderTest, DecodeReturnsErrorOnIncompleteFrame) {
 136   CreateDecoder(webrtc::kVideoCodecVP8);
 137   Initialize();
 138   webrtc::EncodedImage input_image;
 139   input_image._completeFrame = false;
 140   EXPECT_EQ(WEBRTC_VIDEO_CODEC_ERROR,
 141             rtc_decoder_->Decode(input_image, false, NULL, NULL, 0));
 142 }
 143
 144 TEST_F(RTCVideoDecoderTest, DecodeReturnsErrorOnMissingFrames) {
 145   CreateDecoder(webrtc::kVideoCodecVP8);
 146   Initialize();
 147   webrtc::EncodedImage input_image;
 148   input_image._completeFrame = true;
 149   bool missingFrames = true;
 150   EXPECT_EQ(WEBRTC_VIDEO_CODEC_ERROR,
 151             rtc_decoder_->Decode(input_image, missingFrames, NULL, NULL, 0));
 152 }
 153
 154 TEST_F(RTCVideoDecoderTest, ResetReturnsOk) {
 155   CreateDecoder(webrtc::kVideoCodecVP8);
 156   Initialize();
 157   EXPECT_CALL(*mock_vda_, Reset())
 158       .WillOnce(Invoke(this, &RTCVideoDecoderTest::NotifyResetDone));
 159   EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, rtc_decoder_->Reset());
 160 }
 161
 162 TEST_F(RTCVideoDecoderTest, ReleaseReturnsOk) {
 163   CreateDecoder(webrtc::kVideoCodecVP8);
 164   Initialize();
 165   EXPECT_CALL(*mock_vda_, Reset())
 166       .WillOnce(Invoke(this, &RTCVideoDecoderTest::NotifyResetDone));
 167   EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, rtc_decoder_->Release());
 168 }
 169
 170 TEST_F(RTCVideoDecoderTest, InitDecodeAfterRelease) {
 171   CreateDecoder(webrtc::kVideoCodecVP8);
 172   EXPECT_CALL(*mock_vda_, Reset())
 173       .WillRepeatedly(Invoke(this, &RTCVideoDecoderTest::NotifyResetDone));
 174   Initialize();
 175   EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, rtc_decoder_->Release());
 176   Initialize();
 177   EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, rtc_decoder_->Release());
 178 }
 179
 180 TEST_F(RTCVideoDecoderTest, IsBufferAfterReset) {
 181   CreateDecoder(webrtc::kVideoCodecVP8);
 182   EXPECT_TRUE(rtc_decoder_->IsBufferAfterReset(0, RTCVideoDecoder::ID_INVALID));
 183   EXPECT_TRUE(rtc_decoder_->IsBufferAfterReset(RTCVideoDecoder::ID_LAST,
 184                                                RTCVideoDecoder::ID_INVALID));
 185   EXPECT_FALSE(rtc_decoder_->IsBufferAfterReset(RTCVideoDecoder::ID_HALF - 2,
 186                                                 RTCVideoDecoder::ID_HALF + 2));
 187   EXPECT_TRUE(rtc_decoder_->IsBufferAfterReset(RTCVideoDecoder::ID_HALF + 2,
 188                                                RTCVideoDecoder::ID_HALF - 2));
 189
 190   EXPECT_FALSE(rtc_decoder_->IsBufferAfterReset(0, 0));
 191   EXPECT_TRUE(rtc_decoder_->IsBufferAfterReset(0, RTCVideoDecoder::ID_LAST));
 192   EXPECT_FALSE(
 193       rtc_decoder_->IsBufferAfterReset(0, RTCVideoDecoder::ID_HALF - 2));
 194   EXPECT_TRUE(
 195       rtc_decoder_->IsBufferAfterReset(0, RTCVideoDecoder::ID_HALF + 2));
 196
 197   EXPECT_FALSE(rtc_decoder_->IsBufferAfterReset(RTCVideoDecoder::ID_LAST, 0));
 198   EXPECT_FALSE(rtc_decoder_->IsBufferAfterReset(RTCVideoDecoder::ID_LAST,
 199                                                 RTCVideoDecoder::ID_HALF - 2));
 200   EXPECT_TRUE(rtc_decoder_->IsBufferAfterReset(RTCVideoDecoder::ID_LAST,
 201                                                RTCVideoDecoder::ID_HALF + 2));
 202   EXPECT_FALSE(rtc_decoder_->IsBufferAfterReset(RTCVideoDecoder::ID_LAST,
 203                                                 RTCVideoDecoder::ID_LAST));
 204 }
 205
 206 TEST_F(RTCVideoDecoderTest, IsFirstBufferAfterReset) {
 207   CreateDecoder(webrtc::kVideoCodecVP8);
 208   EXPECT_TRUE(
 209       rtc_decoder_->IsFirstBufferAfterReset(0, RTCVideoDecoder::ID_INVALID));
 210   EXPECT_FALSE(
 211       rtc_decoder_->IsFirstBufferAfterReset(1, RTCVideoDecoder::ID_INVALID));
 212   EXPECT_FALSE(rtc_decoder_->IsFirstBufferAfterReset(0, 0));
 213   EXPECT_TRUE(rtc_decoder_->IsFirstBufferAfterReset(1, 0));
 214   EXPECT_FALSE(rtc_decoder_->IsFirstBufferAfterReset(2, 0));
 215
 216   EXPECT_FALSE(rtc_decoder_->IsFirstBufferAfterReset(RTCVideoDecoder::ID_HALF,
 217                                                      RTCVideoDecoder::ID_HALF));
 218   EXPECT_TRUE(rtc_decoder_->IsFirstBufferAfterReset(
 219       RTCVideoDecoder::ID_HALF + 1, RTCVideoDecoder::ID_HALF));
 220   EXPECT_FALSE(rtc_decoder_->IsFirstBufferAfterReset(
 221       RTCVideoDecoder::ID_HALF + 2, RTCVideoDecoder::ID_HALF));
 222
 223   EXPECT_FALSE(rtc_decoder_->IsFirstBufferAfterReset(RTCVideoDecoder::ID_LAST,
 224                                                      RTCVideoDecoder::ID_LAST));
 225   EXPECT_TRUE(
 226       rtc_decoder_->IsFirstBufferAfterReset(0, RTCVideoDecoder::ID_LAST));
 227   EXPECT_FALSE(
 228       rtc_decoder_->IsFirstBufferAfterReset(1, RTCVideoDecoder::ID_LAST));
 229 }
 230
 231 }  // content