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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 |
11 #include "webrtc/modules/audio_coding/neteq/tools/resample_input_audio_file.h" | 11 #include "webrtc/modules/audio_coding/neteq/tools/resample_input_audio_file.h" |
12 | 12 |
13 #include "webrtc/base/checks.h" | 13 #include "webrtc/base/checks.h" |
14 #include "webrtc/base/scoped_ptr.h" | 14 #include "webrtc/base/scoped_ptr.h" |
15 | 15 |
16 namespace webrtc { | 16 namespace webrtc { |
17 namespace test { | 17 namespace test { |
18 | 18 |
19 bool ResampleInputAudioFile::Read(size_t samples, | 19 bool ResampleInputAudioFile::Read(size_t samples, |
20 int output_rate_hz, | 20 int output_rate_hz, |
21 int16_t* destination) { | 21 int16_t* destination) { |
22 const size_t samples_to_read = samples * file_rate_hz_ / output_rate_hz; | 22 const size_t samples_to_read = samples * file_rate_hz_ / output_rate_hz; |
23 CHECK_EQ(samples_to_read * output_rate_hz, samples * file_rate_hz_) | 23 RTC_CHECK_EQ(samples_to_read * output_rate_hz, samples * file_rate_hz_) |
24 << "Frame size and sample rates don't add up to an integer."; | 24 << "Frame size and sample rates don't add up to an integer."; |
25 rtc::scoped_ptr<int16_t[]> temp_destination(new int16_t[samples_to_read]); | 25 rtc::scoped_ptr<int16_t[]> temp_destination(new int16_t[samples_to_read]); |
26 if (!InputAudioFile::Read(samples_to_read, temp_destination.get())) | 26 if (!InputAudioFile::Read(samples_to_read, temp_destination.get())) |
27 return false; | 27 return false; |
28 resampler_.ResetIfNeeded(file_rate_hz_, output_rate_hz, 1); | 28 resampler_.ResetIfNeeded(file_rate_hz_, output_rate_hz, 1); |
29 size_t output_length = 0; | 29 size_t output_length = 0; |
30 CHECK_EQ(resampler_.Push(temp_destination.get(), samples_to_read, destination, | 30 RTC_CHECK_EQ(resampler_.Push(temp_destination.get(), samples_to_read, |
31 samples, output_length), | 31 destination, samples, output_length), |
32 0); | 32 0); |
33 CHECK_EQ(samples, output_length); | 33 RTC_CHECK_EQ(samples, output_length); |
34 return true; | 34 return true; |
35 } | 35 } |
36 | 36 |
37 bool ResampleInputAudioFile::Read(size_t samples, int16_t* destination) { | 37 bool ResampleInputAudioFile::Read(size_t samples, int16_t* destination) { |
38 CHECK_GT(output_rate_hz_, 0) << "Output rate not set."; | 38 RTC_CHECK_GT(output_rate_hz_, 0) << "Output rate not set."; |
39 return Read(samples, output_rate_hz_, destination); | 39 return Read(samples, output_rate_hz_, destination); |
40 } | 40 } |
41 | 41 |
42 void ResampleInputAudioFile::set_output_rate_hz(int rate_hz) { | 42 void ResampleInputAudioFile::set_output_rate_hz(int rate_hz) { |
43 output_rate_hz_ = rate_hz; | 43 output_rate_hz_ = rate_hz; |
44 } | 44 } |
45 | 45 |
46 } // namespace test | 46 } // namespace test |
47 } // namespace webrtc | 47 } // namespace webrtc |
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