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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 // | 4 // |
| 5 // This test generate synthetic data. For audio it's a sinusoid waveform with | 5 // This test generate synthetic data. For audio it's a sinusoid waveform with |
| 6 // frequency kSoundFrequency and different amplitudes. For video it's a pattern | 6 // frequency kSoundFrequency and different amplitudes. For video it's a pattern |
| 7 // that is shifting by one pixel per frame, each pixels neighbors right and down | 7 // that is shifting by one pixel per frame, each pixels neighbors right and down |
| 8 // is this pixels value +1, since the pixel value is 8 bit it will wrap | 8 // is this pixels value +1, since the pixel value is 8 bit it will wrap |
| 9 // frequently within the image. Visually this will create diagonally color bands | 9 // frequently within the image. Visually this will create diagonally color bands |
| 10 // that moves across the screen | 10 // that moves across the screen |
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| 249 } | 249 } |
| 250 | 250 |
| 251 void AddExpectedResult(const AudioBus& audio_bus, | 251 void AddExpectedResult(const AudioBus& audio_bus, |
| 252 const base::TimeTicks& playout_time) { | 252 const base::TimeTicks& playout_time) { |
| 253 std::unique_ptr<ExpectedAudioFrame> expected_audio_frame( | 253 std::unique_ptr<ExpectedAudioFrame> expected_audio_frame( |
| 254 new ExpectedAudioFrame()); | 254 new ExpectedAudioFrame()); |
| 255 expected_audio_frame->audio_bus = | 255 expected_audio_frame->audio_bus = |
| 256 AudioBus::Create(audio_bus.channels(), audio_bus.frames()); | 256 AudioBus::Create(audio_bus.channels(), audio_bus.frames()); |
| 257 audio_bus.CopyTo(expected_audio_frame->audio_bus.get()); | 257 audio_bus.CopyTo(expected_audio_frame->audio_bus.get()); |
| 258 expected_audio_frame->playout_time = playout_time; | 258 expected_audio_frame->playout_time = playout_time; |
| 259 expected_frames_.push_back(expected_audio_frame.release()); | 259 expected_frames_.push_back(std::move(expected_audio_frame)); |
| 260 } | 260 } |
| 261 | 261 |
| 262 void IgnoreAudioFrame(std::unique_ptr<AudioBus> audio_bus, | 262 void IgnoreAudioFrame(std::unique_ptr<AudioBus> audio_bus, |
| 263 const base::TimeTicks& playout_time, | 263 const base::TimeTicks& playout_time, |
| 264 bool is_continuous) { | 264 bool is_continuous) { |
| 265 ++num_called_; | 265 ++num_called_; |
| 266 } | 266 } |
| 267 | 267 |
| 268 void CheckAudioFrame(std::unique_ptr<AudioBus> audio_bus, | 268 void CheckAudioFrame(std::unique_ptr<AudioBus> audio_bus, |
| 269 const base::TimeTicks& playout_time, | 269 const base::TimeTicks& playout_time, |
| 270 bool is_continuous) { | 270 bool is_continuous) { |
| 271 ++num_called_; | 271 ++num_called_; |
| 272 | 272 |
| 273 ASSERT_TRUE(audio_bus); | 273 ASSERT_TRUE(audio_bus); |
| 274 ASSERT_FALSE(expected_frames_.empty()); | 274 ASSERT_FALSE(expected_frames_.empty()); |
| 275 const std::unique_ptr<ExpectedAudioFrame> expected_audio_frame( | 275 const std::unique_ptr<ExpectedAudioFrame> expected_audio_frame = |
| 276 expected_frames_.front()); | 276 std::move(expected_frames_.front()); |
| 277 expected_frames_.pop_front(); | 277 expected_frames_.pop_front(); |
| 278 | 278 |
| 279 EXPECT_EQ(audio_bus->channels(), kAudioChannels); | 279 EXPECT_EQ(audio_bus->channels(), kAudioChannels); |
| 280 EXPECT_EQ(audio_bus->frames(), expected_audio_frame->audio_bus->frames()); | 280 EXPECT_EQ(audio_bus->frames(), expected_audio_frame->audio_bus->frames()); |
| 281 for (int ch = 0; ch < audio_bus->channels(); ++ch) { | 281 for (int ch = 0; ch < audio_bus->channels(); ++ch) { |
| 282 EXPECT_NEAR(CountZeroCrossings( | 282 EXPECT_NEAR(CountZeroCrossings( |
| 283 expected_audio_frame->audio_bus->channel(ch), | 283 expected_audio_frame->audio_bus->channel(ch), |
| 284 expected_audio_frame->audio_bus->frames()), | 284 expected_audio_frame->audio_bus->frames()), |
| 285 CountZeroCrossings(audio_bus->channel(ch), | 285 CountZeroCrossings(audio_bus->channel(ch), |
| 286 audio_bus->frames()), | 286 audio_bus->frames()), |
| 287 1); | 287 1); |
| 288 } | 288 } |
| 289 | 289 |
| 290 EXPECT_NEAR( | 290 EXPECT_NEAR( |
| 291 (playout_time - expected_audio_frame->playout_time).InMillisecondsF(), | 291 (playout_time - expected_audio_frame->playout_time).InMillisecondsF(), |
| 292 0.0, | 292 0.0, |
| 293 kMaxAllowedPlayoutErrorMs); | 293 kMaxAllowedPlayoutErrorMs); |
| 294 VLOG_IF(1, !last_playout_time_.is_null()) | 294 VLOG_IF(1, !last_playout_time_.is_null()) |
| 295 << "Audio frame playout time delta (compared to last frame) is " | 295 << "Audio frame playout time delta (compared to last frame) is " |
| 296 << (playout_time - last_playout_time_).InMicroseconds() << " usec."; | 296 << (playout_time - last_playout_time_).InMicroseconds() << " usec."; |
| 297 last_playout_time_ = playout_time; | 297 last_playout_time_ = playout_time; |
| 298 | 298 |
| 299 EXPECT_TRUE(is_continuous); | 299 EXPECT_TRUE(is_continuous); |
| 300 } | 300 } |
| 301 | 301 |
| 302 int number_times_called() const { return num_called_; } | 302 int number_times_called() const { return num_called_; } |
| 303 | 303 |
| 304 protected: | 304 protected: |
| 305 virtual ~TestReceiverAudioCallback() { | 305 virtual ~TestReceiverAudioCallback() { |
| 306 base::STLDeleteElements(&expected_frames_); | |
| 307 } | 306 } |
| 308 | 307 |
| 309 private: | 308 private: |
| 310 friend class base::RefCountedThreadSafe<TestReceiverAudioCallback>; | 309 friend class base::RefCountedThreadSafe<TestReceiverAudioCallback>; |
| 311 | 310 |
| 312 int num_called_; | 311 int num_called_; |
| 313 int expected_sampling_frequency_; | 312 int expected_sampling_frequency_; |
| 314 std::list<ExpectedAudioFrame*> expected_frames_; | 313 std::list<std::unique_ptr<ExpectedAudioFrame>> expected_frames_; |
| 315 base::TimeTicks last_playout_time_; | 314 base::TimeTicks last_playout_time_; |
| 316 }; | 315 }; |
| 317 | 316 |
| 318 // Class that verifies the video frames coming out of the receiver. | 317 // Class that verifies the video frames coming out of the receiver. |
| 319 class TestReceiverVideoCallback | 318 class TestReceiverVideoCallback |
| 320 : public base::RefCountedThreadSafe<TestReceiverVideoCallback> { | 319 : public base::RefCountedThreadSafe<TestReceiverVideoCallback> { |
| 321 public: | 320 public: |
| 322 struct ExpectedVideoFrame { | 321 struct ExpectedVideoFrame { |
| 323 int frame_number; | 322 int frame_number; |
| 324 gfx::Size size; | 323 gfx::Size size; |
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| 1270 EXPECT_EQ(0u, jump); | 1269 EXPECT_EQ(0u, jump); |
| 1271 jump = i; | 1270 jump = i; |
| 1272 } | 1271 } |
| 1273 } | 1272 } |
| 1274 EXPECT_GT(jump, 49u); | 1273 EXPECT_GT(jump, 49u); |
| 1275 EXPECT_LT(jump, 120u); | 1274 EXPECT_LT(jump, 120u); |
| 1276 } | 1275 } |
| 1277 | 1276 |
| 1278 } // namespace cast | 1277 } // namespace cast |
| 1279 } // namespace media | 1278 } // namespace media |
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