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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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22 | 22 |
23 class NoopCallback : public webrtc::LappedTransform::Callback { | 23 class NoopCallback : public webrtc::LappedTransform::Callback { |
24 public: | 24 public: |
25 NoopCallback() : block_num_(0) {} | 25 NoopCallback() : block_num_(0) {} |
26 | 26 |
27 virtual void ProcessAudioBlock(const complex<float>* const* in_block, | 27 virtual void ProcessAudioBlock(const complex<float>* const* in_block, |
28 int in_channels, | 28 int in_channels, |
29 size_t frames, | 29 size_t frames, |
30 int out_channels, | 30 int out_channels, |
31 complex<float>* const* out_block) { | 31 complex<float>* const* out_block) { |
32 CHECK_EQ(in_channels, out_channels); | 32 RTC_CHECK_EQ(in_channels, out_channels); |
33 for (int i = 0; i < out_channels; ++i) { | 33 for (int i = 0; i < out_channels; ++i) { |
34 memcpy(out_block[i], in_block[i], sizeof(**in_block) * frames); | 34 memcpy(out_block[i], in_block[i], sizeof(**in_block) * frames); |
35 } | 35 } |
36 ++block_num_; | 36 ++block_num_; |
37 } | 37 } |
38 | 38 |
39 int block_num() { | 39 int block_num() { |
40 return block_num_; | 40 return block_num_; |
41 } | 41 } |
42 | 42 |
43 private: | 43 private: |
44 int block_num_; | 44 int block_num_; |
45 }; | 45 }; |
46 | 46 |
47 class FftCheckerCallback : public webrtc::LappedTransform::Callback { | 47 class FftCheckerCallback : public webrtc::LappedTransform::Callback { |
48 public: | 48 public: |
49 FftCheckerCallback() : block_num_(0) {} | 49 FftCheckerCallback() : block_num_(0) {} |
50 | 50 |
51 virtual void ProcessAudioBlock(const complex<float>* const* in_block, | 51 virtual void ProcessAudioBlock(const complex<float>* const* in_block, |
52 int in_channels, | 52 int in_channels, |
53 size_t frames, | 53 size_t frames, |
54 int out_channels, | 54 int out_channels, |
55 complex<float>* const* out_block) { | 55 complex<float>* const* out_block) { |
56 CHECK_EQ(in_channels, out_channels); | 56 RTC_CHECK_EQ(in_channels, out_channels); |
57 | 57 |
58 size_t full_length = (frames - 1) * 2; | 58 size_t full_length = (frames - 1) * 2; |
59 ++block_num_; | 59 ++block_num_; |
60 | 60 |
61 if (block_num_ > 0) { | 61 if (block_num_ > 0) { |
62 ASSERT_NEAR(in_block[0][0].real(), static_cast<float>(full_length), | 62 ASSERT_NEAR(in_block[0][0].real(), static_cast<float>(full_length), |
63 1e-5f); | 63 1e-5f); |
64 ASSERT_NEAR(in_block[0][0].imag(), 0.0f, 1e-5f); | 64 ASSERT_NEAR(in_block[0][0].imag(), 0.0f, 1e-5f); |
65 for (size_t i = 1; i < frames; ++i) { | 65 for (size_t i = 1; i < frames; ++i) { |
66 ASSERT_NEAR(in_block[0][i].real(), 0.0f, 1e-5f); | 66 ASSERT_NEAR(in_block[0][i].real(), 0.0f, 1e-5f); |
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199 { | 199 { |
200 const size_t kExpectedChunkLength = 160; | 200 const size_t kExpectedChunkLength = 160; |
201 const LappedTransform trans(1, 1, kExpectedChunkLength, window, | 201 const LappedTransform trans(1, 1, kExpectedChunkLength, window, |
202 kBlockLength, kBlockLength, &call); | 202 kBlockLength, kBlockLength, &call); |
203 | 203 |
204 EXPECT_EQ(kExpectedChunkLength, trans.chunk_length()); | 204 EXPECT_EQ(kExpectedChunkLength, trans.chunk_length()); |
205 } | 205 } |
206 } | 206 } |
207 | 207 |
208 } // namespace webrtc | 208 } // namespace webrtc |
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