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
15using ::testing::_;
16using ::testing::Invoke;
17using ::testing::Return;
18using ::testing::SaveArg;
19using ::testing::WithArgs;
20
21namespace content {
22
23// TODO(wuchengli): add MockSharedMemroy so more functions can be tested.
24class 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  virtual void SetUp() OVERRIDE {
35    ASSERT_TRUE(vda_thread_.Start());
36    vda_loop_proxy_ = vda_thread_.message_loop_proxy();
37    mock_vda_ = new media::MockVideoDecodeAccelerator;
38    EXPECT_CALL(*mock_gpu_factories_, GetMessageLoop())
39        .WillRepeatedly(Return(vda_loop_proxy_));
40    EXPECT_CALL(*mock_gpu_factories_, DoCreateVideoDecodeAccelerator(_, _))
41        .WillRepeatedly(
42             Return(static_cast<media::VideoDecodeAccelerator*>(NULL)));
43    EXPECT_CALL(*mock_gpu_factories_,
44                DoCreateVideoDecodeAccelerator(media::VP8PROFILE_MAIN, _))
45        .WillRepeatedly(Return(mock_vda_));
46    EXPECT_CALL(*mock_gpu_factories_, Abort()).WillRepeatedly(Return());
47    EXPECT_CALL(*mock_gpu_factories_, CreateSharedMemory(_))
48        .WillRepeatedly(Return(static_cast<base::SharedMemory*>(NULL)));
49    EXPECT_CALL(*mock_vda_, Destroy());
50    rtc_decoder_ =
51        RTCVideoDecoder::Create(webrtc::kVideoCodecVP8, mock_gpu_factories_);
52  }
53
54  virtual void TearDown() OVERRIDE {
55    VLOG(2) << "TearDown";
56    if (vda_thread_.IsRunning()) {
57      RunUntilIdle();  // Wait until all callbascks complete.
58      vda_loop_proxy_->DeleteSoon(FROM_HERE, rtc_decoder_.release());
59      // Make sure the decoder is released before stopping the thread.
60      RunUntilIdle();
61      vda_thread_.Stop();
62    } else {
63      rtc_decoder_.reset();
64    }
65  }
66
67  virtual int32_t Decoded(webrtc::I420VideoFrame& decoded_image) OVERRIDE {
68    VLOG(2) << "Decoded";
69    EXPECT_EQ(vda_loop_proxy_, base::MessageLoopProxy::current());
70    return WEBRTC_VIDEO_CODEC_OK;
71  }
72
73  void Initialize() {
74    VLOG(2) << "Initialize";
75    codec_.codecType = webrtc::kVideoCodecVP8;
76    EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, rtc_decoder_->InitDecode(&codec_, 1));
77    EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK,
78              rtc_decoder_->RegisterDecodeCompleteCallback(this));
79  }
80
81  void NotifyResetDone() {
82    VLOG(2) << "NotifyResetDone";
83    vda_loop_proxy_->PostTask(FROM_HERE,
84                              base::Bind(&RTCVideoDecoder::NotifyResetDone,
85                                         base::Unretained(rtc_decoder_.get())));
86  }
87
88  void RunUntilIdle() {
89    VLOG(2) << "RunUntilIdle";
90    vda_loop_proxy_->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::MessageLoopProxy> vda_loop_proxy_;
105
106  base::Lock lock_;
107  base::WaitableEvent idle_waiter_;
108};
109
110TEST_F(RTCVideoDecoderTest, CreateReturnsNullOnUnsupportedCodec) {
111  scoped_ptr<RTCVideoDecoder> null_rtc_decoder(
112      RTCVideoDecoder::Create(webrtc::kVideoCodecI420, mock_gpu_factories_));
113  EXPECT_EQ(NULL, null_rtc_decoder.get());
114}
115
116TEST_F(RTCVideoDecoderTest, InitDecodeReturnsErrorOnFeedbackMode) {
117  codec_.codecType = webrtc::kVideoCodecVP8;
118  codec_.codecSpecific.VP8.feedbackModeOn = true;
119  EXPECT_EQ(WEBRTC_VIDEO_CODEC_ERROR, rtc_decoder_->InitDecode(&codec_, 1));
120}
121
122TEST_F(RTCVideoDecoderTest, DecodeReturnsErrorWithoutInitDecode) {
123  webrtc::EncodedImage input_image;
124  EXPECT_EQ(WEBRTC_VIDEO_CODEC_UNINITIALIZED,
125            rtc_decoder_->Decode(input_image, false, NULL, NULL, 0));
126}
127
128TEST_F(RTCVideoDecoderTest, DecodeReturnsErrorOnIncompleteFrame) {
129  Initialize();
130  webrtc::EncodedImage input_image;
131  input_image._completeFrame = false;
132  EXPECT_EQ(WEBRTC_VIDEO_CODEC_ERROR,
133            rtc_decoder_->Decode(input_image, false, NULL, NULL, 0));
134}
135
136TEST_F(RTCVideoDecoderTest, DecodeReturnsErrorOnMissingFrames) {
137  Initialize();
138  webrtc::EncodedImage input_image;
139  input_image._completeFrame = true;
140  bool missingFrames = true;
141  EXPECT_EQ(WEBRTC_VIDEO_CODEC_ERROR,
142            rtc_decoder_->Decode(input_image, missingFrames, NULL, NULL, 0));
143}
144
145TEST_F(RTCVideoDecoderTest, ResetReturnsOk) {
146  Initialize();
147  EXPECT_CALL(*mock_vda_, Reset())
148      .WillOnce(Invoke(this, &RTCVideoDecoderTest::NotifyResetDone));
149  EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, rtc_decoder_->Reset());
150}
151
152TEST_F(RTCVideoDecoderTest, ReleaseReturnsOk) {
153  Initialize();
154  EXPECT_CALL(*mock_vda_, Reset())
155      .WillOnce(Invoke(this, &RTCVideoDecoderTest::NotifyResetDone));
156  EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, rtc_decoder_->Release());
157}
158
159TEST_F(RTCVideoDecoderTest, InitDecodeAfterRelease) {
160  EXPECT_CALL(*mock_vda_, Reset())
161      .WillRepeatedly(Invoke(this, &RTCVideoDecoderTest::NotifyResetDone));
162  Initialize();
163  EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, rtc_decoder_->Release());
164  Initialize();
165  EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, rtc_decoder_->Release());
166}
167
168TEST_F(RTCVideoDecoderTest, VdaThreadStops) { vda_thread_.Stop(); }
169
170TEST_F(RTCVideoDecoderTest, IsBufferAfterReset) {
171  EXPECT_TRUE(rtc_decoder_->IsBufferAfterReset(0, RTCVideoDecoder::ID_INVALID));
172  EXPECT_TRUE(rtc_decoder_->IsBufferAfterReset(RTCVideoDecoder::ID_LAST,
173                                               RTCVideoDecoder::ID_INVALID));
174  EXPECT_FALSE(rtc_decoder_->IsBufferAfterReset(RTCVideoDecoder::ID_HALF - 2,
175                                                RTCVideoDecoder::ID_HALF + 2));
176  EXPECT_TRUE(rtc_decoder_->IsBufferAfterReset(RTCVideoDecoder::ID_HALF + 2,
177                                               RTCVideoDecoder::ID_HALF - 2));
178
179  EXPECT_FALSE(rtc_decoder_->IsBufferAfterReset(0, 0));
180  EXPECT_TRUE(rtc_decoder_->IsBufferAfterReset(0, RTCVideoDecoder::ID_LAST));
181  EXPECT_FALSE(
182      rtc_decoder_->IsBufferAfterReset(0, RTCVideoDecoder::ID_HALF - 2));
183  EXPECT_TRUE(
184      rtc_decoder_->IsBufferAfterReset(0, RTCVideoDecoder::ID_HALF + 2));
185
186  EXPECT_FALSE(rtc_decoder_->IsBufferAfterReset(RTCVideoDecoder::ID_LAST, 0));
187  EXPECT_FALSE(rtc_decoder_->IsBufferAfterReset(RTCVideoDecoder::ID_LAST,
188                                                RTCVideoDecoder::ID_HALF - 2));
189  EXPECT_TRUE(rtc_decoder_->IsBufferAfterReset(RTCVideoDecoder::ID_LAST,
190                                               RTCVideoDecoder::ID_HALF + 2));
191  EXPECT_FALSE(rtc_decoder_->IsBufferAfterReset(RTCVideoDecoder::ID_LAST,
192                                                RTCVideoDecoder::ID_LAST));
193}
194
195TEST_F(RTCVideoDecoderTest, IsFirstBufferAfterReset) {
196  EXPECT_TRUE(
197      rtc_decoder_->IsFirstBufferAfterReset(0, RTCVideoDecoder::ID_INVALID));
198  EXPECT_FALSE(
199      rtc_decoder_->IsFirstBufferAfterReset(1, RTCVideoDecoder::ID_INVALID));
200  EXPECT_FALSE(rtc_decoder_->IsFirstBufferAfterReset(0, 0));
201  EXPECT_TRUE(rtc_decoder_->IsFirstBufferAfterReset(1, 0));
202  EXPECT_FALSE(rtc_decoder_->IsFirstBufferAfterReset(2, 0));
203
204  EXPECT_FALSE(rtc_decoder_->IsFirstBufferAfterReset(RTCVideoDecoder::ID_HALF,
205                                                     RTCVideoDecoder::ID_HALF));
206  EXPECT_TRUE(rtc_decoder_->IsFirstBufferAfterReset(
207      RTCVideoDecoder::ID_HALF + 1, RTCVideoDecoder::ID_HALF));
208  EXPECT_FALSE(rtc_decoder_->IsFirstBufferAfterReset(
209      RTCVideoDecoder::ID_HALF + 2, RTCVideoDecoder::ID_HALF));
210
211  EXPECT_FALSE(rtc_decoder_->IsFirstBufferAfterReset(RTCVideoDecoder::ID_LAST,
212                                                     RTCVideoDecoder::ID_LAST));
213  EXPECT_TRUE(
214      rtc_decoder_->IsFirstBufferAfterReset(0, RTCVideoDecoder::ID_LAST));
215  EXPECT_FALSE(
216      rtc_decoder_->IsFirstBufferAfterReset(1, RTCVideoDecoder::ID_LAST));
217}
218
219}  // content
220