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Side by Side Diff: webrtc/common_audio/wav_file.cc

Issue 1409943002: Add aecdump support to audioproc_f. (Closed) Base URL: https://chromium.googlesource.com/external/webrtc.git@master
Patch Set: Add TickIntervalStats and clarify some documentation. Created 5 years, 2 months ago
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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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32 virtual size_t Read(void* buf, size_t num_bytes) { 32 virtual size_t Read(void* buf, size_t num_bytes) {
33 return fread(buf, 1, num_bytes, file_); 33 return fread(buf, 1, num_bytes, file_);
34 } 34 }
35 35
36 private: 36 private:
37 FILE* file_; 37 FILE* file_;
38 }; 38 };
39 39
40 WavReader::WavReader(const std::string& filename) 40 WavReader::WavReader(const std::string& filename)
41 : file_handle_(fopen(filename.c_str(), "rb")) { 41 : file_handle_(fopen(filename.c_str(), "rb")) {
42 RTC_CHECK(file_handle_ && "Could not open wav file for reading."); 42 RTC_CHECK(file_handle_) << "Could not open wav file for reading.";
43 43
44 ReadableWavFile readable(file_handle_); 44 ReadableWavFile readable(file_handle_);
45 WavFormat format; 45 WavFormat format;
46 int bytes_per_sample; 46 int bytes_per_sample;
47 RTC_CHECK(ReadWavHeader(&readable, &num_channels_, &sample_rate_, &format, 47 RTC_CHECK(ReadWavHeader(&readable, &num_channels_, &sample_rate_, &format,
48 &bytes_per_sample, &num_samples_)); 48 &bytes_per_sample, &num_samples_));
49 num_samples_remaining_ = num_samples_; 49 num_samples_remaining_ = num_samples_;
50 RTC_CHECK_EQ(kWavFormat, format); 50 RTC_CHECK_EQ(kWavFormat, format);
51 RTC_CHECK_EQ(kBytesPerSample, bytes_per_sample); 51 RTC_CHECK_EQ(kBytesPerSample, bytes_per_sample);
52 } 52 }
(...skipping 36 matching lines...) Expand 10 before | Expand all | Expand 10 after
89 RTC_CHECK_EQ(0, fclose(file_handle_)); 89 RTC_CHECK_EQ(0, fclose(file_handle_));
90 file_handle_ = NULL; 90 file_handle_ = NULL;
91 } 91 }
92 92
93 WavWriter::WavWriter(const std::string& filename, int sample_rate, 93 WavWriter::WavWriter(const std::string& filename, int sample_rate,
94 int num_channels) 94 int num_channels)
95 : sample_rate_(sample_rate), 95 : sample_rate_(sample_rate),
96 num_channels_(num_channels), 96 num_channels_(num_channels),
97 num_samples_(0), 97 num_samples_(0),
98 file_handle_(fopen(filename.c_str(), "wb")) { 98 file_handle_(fopen(filename.c_str(), "wb")) {
99 RTC_CHECK(file_handle_ && "Could not open wav file for writing."); 99 RTC_CHECK(file_handle_) << "Could not open wav file for writing.";
100 RTC_CHECK(CheckWavParameters(num_channels_, sample_rate_, kWavFormat, 100 RTC_CHECK(CheckWavParameters(num_channels_, sample_rate_, kWavFormat,
101 kBytesPerSample, num_samples_)); 101 kBytesPerSample, num_samples_));
102 102
103 // Write a blank placeholder header, since we need to know the total number 103 // Write a blank placeholder header, since we need to know the total number
104 // of samples before we can fill in the real data. 104 // of samples before we can fill in the real data.
105 static const uint8_t blank_header[kWavHeaderSize] = {0}; 105 static const uint8_t blank_header[kWavHeaderSize] = {0};
106 RTC_CHECK_EQ(1u, fwrite(blank_header, kWavHeaderSize, 1, file_handle_)); 106 RTC_CHECK_EQ(1u, fwrite(blank_header, kWavHeaderSize, 1, file_handle_));
107 } 107 }
108 108
109 WavWriter::~WavWriter() { 109 WavWriter::~WavWriter() {
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165 return reinterpret_cast<const webrtc::WavWriter*>(wf)->sample_rate(); 165 return reinterpret_cast<const webrtc::WavWriter*>(wf)->sample_rate();
166 } 166 }
167 167
168 int rtc_WavNumChannels(const rtc_WavWriter* wf) { 168 int rtc_WavNumChannels(const rtc_WavWriter* wf) {
169 return reinterpret_cast<const webrtc::WavWriter*>(wf)->num_channels(); 169 return reinterpret_cast<const webrtc::WavWriter*>(wf)->num_channels();
170 } 170 }
171 171
172 uint32_t rtc_WavNumSamples(const rtc_WavWriter* wf) { 172 uint32_t rtc_WavNumSamples(const rtc_WavWriter* wf) {
173 return reinterpret_cast<const webrtc::WavWriter*>(wf)->num_samples(); 173 return reinterpret_cast<const webrtc::WavWriter*>(wf)->num_samples();
174 } 174 }
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