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1 /* | 1 /* |
2 * Copyright (c) 2014 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2014 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
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81 timestamp_ += static_cast<uint32_t>(num_audio_samples_10ms_); | 81 timestamp_ += static_cast<uint32_t>(num_audio_samples_10ms_); |
82 } | 82 } |
83 | 83 |
84 // Expect |num_calls| calls to the encoder, all successful. The last call | 84 // Expect |num_calls| calls to the encoder, all successful. The last call |
85 // claims to have encoded |kMockMaxEncodedBytes| bytes, and all the preceding | 85 // claims to have encoded |kMockMaxEncodedBytes| bytes, and all the preceding |
86 // ones 0 bytes. | 86 // ones 0 bytes. |
87 void ExpectEncodeCalls(size_t num_calls) { | 87 void ExpectEncodeCalls(size_t num_calls) { |
88 InSequence s; | 88 InSequence s; |
89 AudioEncoder::EncodedInfo info; | 89 AudioEncoder::EncodedInfo info; |
90 for (size_t j = 0; j < num_calls - 1; ++j) { | 90 for (size_t j = 0; j < num_calls - 1; ++j) { |
91 EXPECT_CALL(mock_encoder_, EncodeInternal(_, _, _)) | 91 EXPECT_CALL(mock_encoder_, EncodeImpl(_, _, _)) |
92 .WillOnce(Return(info)); | 92 .WillOnce(Return(info)); |
93 } | 93 } |
94 info.encoded_bytes = kMockReturnEncodedBytes; | 94 info.encoded_bytes = kMockReturnEncodedBytes; |
95 EXPECT_CALL(mock_encoder_, EncodeInternal(_, _, _)) | 95 EXPECT_CALL(mock_encoder_, EncodeImpl(_, _, _)) |
96 .WillOnce(Invoke( | 96 .WillOnce(Invoke( |
97 MockAudioEncoder::FakeEncoding(kMockReturnEncodedBytes))); | 97 MockAudioEncoder::FakeEncoding(kMockReturnEncodedBytes))); |
98 } | 98 } |
99 | 99 |
100 // Verifies that the cng_ object waits until it has collected | 100 // Verifies that the cng_ object waits until it has collected |
101 // |blocks_per_frame| blocks of audio, and then dispatches all of them to | 101 // |blocks_per_frame| blocks of audio, and then dispatches all of them to |
102 // the underlying codec (speech or cng). | 102 // the underlying codec (speech or cng). |
103 void CheckBlockGrouping(size_t blocks_per_frame, bool active_speech) { | 103 void CheckBlockGrouping(size_t blocks_per_frame, bool active_speech) { |
104 EXPECT_CALL(mock_encoder_, Num10MsFramesInNextPacket()) | 104 EXPECT_CALL(mock_encoder_, Num10MsFramesInNextPacket()) |
105 .WillRepeatedly(Return(blocks_per_frame)); | 105 .WillRepeatedly(Return(blocks_per_frame)); |
106 CreateCng(); | 106 CreateCng(); |
107 EXPECT_CALL(*mock_vad_, VoiceActivity(_, _, _)) | 107 EXPECT_CALL(*mock_vad_, VoiceActivity(_, _, _)) |
108 .WillRepeatedly(Return(active_speech ? Vad::kActive : Vad::kPassive)); | 108 .WillRepeatedly(Return(active_speech ? Vad::kActive : Vad::kPassive)); |
109 | 109 |
110 // Don't expect any calls to the encoder yet. | 110 // Don't expect any calls to the encoder yet. |
111 EXPECT_CALL(mock_encoder_, EncodeInternal(_, _, _)).Times(0); | 111 EXPECT_CALL(mock_encoder_, EncodeImpl(_, _, _)).Times(0); |
112 for (size_t i = 0; i < blocks_per_frame - 1; ++i) { | 112 for (size_t i = 0; i < blocks_per_frame - 1; ++i) { |
113 Encode(); | 113 Encode(); |
114 EXPECT_EQ(0u, encoded_info_.encoded_bytes); | 114 EXPECT_EQ(0u, encoded_info_.encoded_bytes); |
115 } | 115 } |
116 if (active_speech) | 116 if (active_speech) |
117 ExpectEncodeCalls(blocks_per_frame); | 117 ExpectEncodeCalls(blocks_per_frame); |
118 Encode(); | 118 Encode(); |
119 if (active_speech) { | 119 if (active_speech) { |
120 EXPECT_EQ(kMockReturnEncodedBytes, encoded_info_.encoded_bytes); | 120 EXPECT_EQ(kMockReturnEncodedBytes, encoded_info_.encoded_bytes); |
121 } else { | 121 } else { |
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252 } | 252 } |
253 | 253 |
254 TEST_F(AudioEncoderCngTest, EncodePassive) { | 254 TEST_F(AudioEncoderCngTest, EncodePassive) { |
255 const size_t kBlocksPerFrame = 3; | 255 const size_t kBlocksPerFrame = 3; |
256 EXPECT_CALL(mock_encoder_, Num10MsFramesInNextPacket()) | 256 EXPECT_CALL(mock_encoder_, Num10MsFramesInNextPacket()) |
257 .WillRepeatedly(Return(kBlocksPerFrame)); | 257 .WillRepeatedly(Return(kBlocksPerFrame)); |
258 CreateCng(); | 258 CreateCng(); |
259 EXPECT_CALL(*mock_vad_, VoiceActivity(_, _, _)) | 259 EXPECT_CALL(*mock_vad_, VoiceActivity(_, _, _)) |
260 .WillRepeatedly(Return(Vad::kPassive)); | 260 .WillRepeatedly(Return(Vad::kPassive)); |
261 // Expect no calls at all to the speech encoder mock. | 261 // Expect no calls at all to the speech encoder mock. |
262 EXPECT_CALL(mock_encoder_, EncodeInternal(_, _, _)).Times(0); | 262 EXPECT_CALL(mock_encoder_, EncodeImpl(_, _, _)).Times(0); |
263 uint32_t expected_timestamp = timestamp_; | 263 uint32_t expected_timestamp = timestamp_; |
264 for (size_t i = 0; i < 100; ++i) { | 264 for (size_t i = 0; i < 100; ++i) { |
265 Encode(); | 265 Encode(); |
266 // Check if it was time to call the cng encoder. This is done once every | 266 // Check if it was time to call the cng encoder. This is done once every |
267 // |kBlocksPerFrame| calls. | 267 // |kBlocksPerFrame| calls. |
268 if ((i + 1) % kBlocksPerFrame == 0) { | 268 if ((i + 1) % kBlocksPerFrame == 0) { |
269 // Now check if a SID interval has elapsed. | 269 // Now check if a SID interval has elapsed. |
270 if ((i % (config_.sid_frame_interval_ms / 10)) < kBlocksPerFrame) { | 270 if ((i % (config_.sid_frame_interval_ms / 10)) < kBlocksPerFrame) { |
271 // If so, verify that we got a CNG encoding. | 271 // If so, verify that we got a CNG encoding. |
272 EXPECT_EQ(kCngPayloadType, encoded_info_.payload_type); | 272 EXPECT_EQ(kCngPayloadType, encoded_info_.payload_type); |
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334 CheckVadInputSize(50, 30, 20); | 334 CheckVadInputSize(50, 30, 20); |
335 } | 335 } |
336 TEST_F(AudioEncoderCngTest, VadInputSize60Ms) { | 336 TEST_F(AudioEncoderCngTest, VadInputSize60Ms) { |
337 CreateCng(); | 337 CreateCng(); |
338 CheckVadInputSize(60, 30, 30); | 338 CheckVadInputSize(60, 30, 30); |
339 } | 339 } |
340 | 340 |
341 // Verifies that the correct payload type is set when CNG is encoded. | 341 // Verifies that the correct payload type is set when CNG is encoded. |
342 TEST_F(AudioEncoderCngTest, VerifyCngPayloadType) { | 342 TEST_F(AudioEncoderCngTest, VerifyCngPayloadType) { |
343 CreateCng(); | 343 CreateCng(); |
344 EXPECT_CALL(mock_encoder_, EncodeInternal(_, _, _)).Times(0); | 344 EXPECT_CALL(mock_encoder_, EncodeImpl(_, _, _)).Times(0); |
345 EXPECT_CALL(mock_encoder_, Num10MsFramesInNextPacket()).WillOnce(Return(1U)); | 345 EXPECT_CALL(mock_encoder_, Num10MsFramesInNextPacket()).WillOnce(Return(1U)); |
346 EXPECT_CALL(*mock_vad_, VoiceActivity(_, _, _)) | 346 EXPECT_CALL(*mock_vad_, VoiceActivity(_, _, _)) |
347 .WillOnce(Return(Vad::kPassive)); | 347 .WillOnce(Return(Vad::kPassive)); |
348 encoded_info_.payload_type = 0; | 348 encoded_info_.payload_type = 0; |
349 Encode(); | 349 Encode(); |
350 EXPECT_EQ(kCngPayloadType, encoded_info_.payload_type); | 350 EXPECT_EQ(kCngPayloadType, encoded_info_.payload_type); |
351 } | 351 } |
352 | 352 |
353 // Verifies that a SID frame is encoded immediately as the signal changes from | 353 // Verifies that a SID frame is encoded immediately as the signal changes from |
354 // active speech to passive. | 354 // active speech to passive. |
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366 encoded_info_.encoded_bytes); | 366 encoded_info_.encoded_bytes); |
367 // Encode again, and make sure we got no frame at all (since the SID frame | 367 // Encode again, and make sure we got no frame at all (since the SID frame |
368 // period is 100 ms by default). | 368 // period is 100 ms by default). |
369 Encode(); | 369 Encode(); |
370 EXPECT_EQ(0u, encoded_info_.encoded_bytes); | 370 EXPECT_EQ(0u, encoded_info_.encoded_bytes); |
371 | 371 |
372 // Now encode active speech. | 372 // Now encode active speech. |
373 encoded_info_.payload_type = 0; | 373 encoded_info_.payload_type = 0; |
374 EXPECT_CALL(*mock_vad_, VoiceActivity(_, _, _)) | 374 EXPECT_CALL(*mock_vad_, VoiceActivity(_, _, _)) |
375 .WillOnce(Return(Vad::kActive)); | 375 .WillOnce(Return(Vad::kActive)); |
376 EXPECT_CALL(mock_encoder_, EncodeInternal(_, _, _)).WillOnce( | 376 EXPECT_CALL(mock_encoder_, EncodeImpl(_, _, _)).WillOnce( |
377 Invoke(MockAudioEncoder::FakeEncoding(kMockReturnEncodedBytes))); | 377 Invoke(MockAudioEncoder::FakeEncoding(kMockReturnEncodedBytes))); |
378 Encode(); | 378 Encode(); |
379 EXPECT_EQ(kMockReturnEncodedBytes, encoded_info_.encoded_bytes); | 379 EXPECT_EQ(kMockReturnEncodedBytes, encoded_info_.encoded_bytes); |
380 | 380 |
381 // Go back to noise again, and verify that a SID frame is emitted. | 381 // Go back to noise again, and verify that a SID frame is emitted. |
382 EXPECT_CALL(*mock_vad_, VoiceActivity(_, _, _)) | 382 EXPECT_CALL(*mock_vad_, VoiceActivity(_, _, _)) |
383 .WillOnce(Return(Vad::kPassive)); | 383 .WillOnce(Return(Vad::kPassive)); |
384 Encode(); | 384 Encode(); |
385 EXPECT_EQ(kCngPayloadType, encoded_info_.payload_type); | 385 EXPECT_EQ(kCngPayloadType, encoded_info_.payload_type); |
386 EXPECT_EQ(static_cast<size_t>(config_.num_cng_coefficients) + 1, | 386 EXPECT_EQ(static_cast<size_t>(config_.num_cng_coefficients) + 1, |
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456 .WillRepeatedly(Return(7U)); | 456 .WillRepeatedly(Return(7U)); |
457 for (int i = 0; i < 6; ++i) | 457 for (int i = 0; i < 6; ++i) |
458 Encode(); | 458 Encode(); |
459 EXPECT_DEATH(Encode(), | 459 EXPECT_DEATH(Encode(), |
460 "Frame size cannot be larger than 60 ms when using VAD/CNG."); | 460 "Frame size cannot be larger than 60 ms when using VAD/CNG."); |
461 } | 461 } |
462 | 462 |
463 #endif // GTEST_HAS_DEATH_TEST | 463 #endif // GTEST_HAS_DEATH_TEST |
464 | 464 |
465 } // namespace webrtc | 465 } // namespace webrtc |
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