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1 /* | |
2 * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. | |
3 * | |
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 | |
6 * tree. An additional intellectual property rights grant can be found | |
7 * in the file PATENTS. All contributing project authors may | |
8 * be found in the AUTHORS file in the root of the source tree. | |
9 */ | |
10 | |
11 #include "webrtc/modules/audio_processing/test/audio_file_processor.h" | |
12 | |
13 #include <algorithm> | |
14 #include <utility> | |
15 | |
16 #include "webrtc/base/checks.h" | |
17 #include "webrtc/modules/audio_processing/test/protobuf_utils.h" | |
18 | |
19 using rtc::CheckedDivExact; | |
20 using std::vector; | |
21 using webrtc::audioproc::Event; | |
22 using webrtc::audioproc::Init; | |
23 using webrtc::audioproc::ReverseStream; | |
24 using webrtc::audioproc::Stream; | |
25 | |
26 namespace webrtc { | |
27 namespace { | |
28 | |
29 // Returns a StreamConfig corresponding to file. | |
30 StreamConfig GetStreamConfig(const WavFile& file) { | |
31 return StreamConfig(file.sample_rate(), file.num_channels()); | |
32 } | |
33 | |
34 // Returns a ChannelBuffer corresponding to file. | |
35 ChannelBuffer<float> GetChannelBuffer(const WavFile& file) { | |
36 return ChannelBuffer<float>( | |
37 CheckedDivExact(file.sample_rate(), AudioFileProcessor::kChunksPerSecond), | |
38 file.num_channels()); | |
39 } | |
40 | |
41 } // namespace | |
42 | |
43 WavFileProcessor::WavFileProcessor(std::unique_ptr<AudioProcessing> ap, | |
44 std::unique_ptr<WavReader> in_file, | |
45 std::unique_ptr<WavWriter> out_file, | |
46 std::unique_ptr<WavReader> reverse_in_file, | |
47 std::unique_ptr<WavWriter> reverse_out_file) | |
48 : ap_(std::move(ap)), | |
49 in_buf_(GetChannelBuffer(*in_file)), | |
50 out_buf_(GetChannelBuffer(*out_file)), | |
51 input_config_(GetStreamConfig(*in_file)), | |
52 output_config_(GetStreamConfig(*out_file)), | |
53 buffer_reader_(std::move(in_file)), | |
54 buffer_writer_(std::move(out_file)) { | |
55 if (reverse_in_file) { | |
56 const WavFile* reverse_out_config; | |
57 if (reverse_out_file) { | |
58 reverse_out_config = reverse_out_file.get(); | |
59 } else { | |
60 reverse_out_config = reverse_in_file.get(); | |
61 } | |
62 reverse_in_buf_.reset( | |
63 new ChannelBuffer<float>(GetChannelBuffer(*reverse_in_file))); | |
64 reverse_out_buf_.reset( | |
65 new ChannelBuffer<float>(GetChannelBuffer(*reverse_out_config))); | |
66 reverse_input_config_.reset( | |
67 new StreamConfig(GetStreamConfig(*reverse_in_file))); | |
68 reverse_output_config_.reset( | |
69 new StreamConfig(GetStreamConfig(*reverse_out_config))); | |
70 reverse_buffer_reader_.reset( | |
71 new ChannelBufferWavReader(std::move(reverse_in_file))); | |
72 if (reverse_out_file) { | |
73 reverse_buffer_writer_.reset( | |
74 new ChannelBufferWavWriter(std::move(reverse_out_file))); | |
75 } | |
76 } | |
77 } | |
78 | |
79 bool WavFileProcessor::ProcessChunk() { | |
80 if (!buffer_reader_.Read(&in_buf_)) { | |
81 return false; | |
82 } | |
83 { | |
84 const auto st = ScopedTimer(mutable_proc_time()); | |
85 RTC_CHECK_EQ(kNoErr, | |
86 ap_->ProcessStream(in_buf_.channels(), input_config_, | |
87 output_config_, out_buf_.channels())); | |
88 } | |
89 buffer_writer_.Write(out_buf_); | |
90 if (reverse_buffer_reader_) { | |
91 if (!reverse_buffer_reader_->Read(reverse_in_buf_.get())) { | |
92 return false; | |
93 } | |
94 { | |
95 const auto st = ScopedTimer(mutable_proc_time()); | |
96 RTC_CHECK_EQ(kNoErr, | |
97 ap_->ProcessReverseStream(reverse_in_buf_->channels(), | |
98 *reverse_input_config_.get(), | |
99 *reverse_output_config_.get(), | |
100 reverse_out_buf_->channels())); | |
101 } | |
102 if (reverse_buffer_writer_) { | |
103 reverse_buffer_writer_->Write(*reverse_out_buf_.get()); | |
104 } | |
105 } | |
106 return true; | |
107 } | |
108 | |
109 AecDumpFileProcessor::AecDumpFileProcessor(std::unique_ptr<AudioProcessing> ap, | |
110 FILE* dump_file, | |
111 std::unique_ptr<WavWriter> out_file) | |
112 : ap_(std::move(ap)), | |
113 dump_file_(dump_file), | |
114 out_buf_(GetChannelBuffer(*out_file)), | |
115 output_config_(GetStreamConfig(*out_file)), | |
116 buffer_writer_(std::move(out_file)) { | |
117 RTC_CHECK(dump_file_) << "Could not open dump file for reading."; | |
118 } | |
119 | |
120 AecDumpFileProcessor::~AecDumpFileProcessor() { | |
121 fclose(dump_file_); | |
122 } | |
123 | |
124 bool AecDumpFileProcessor::ProcessChunk() { | |
125 Event event_msg; | |
126 | |
127 // Continue until we process our first Stream message. | |
128 do { | |
129 if (!ReadMessageFromFile(dump_file_, &event_msg)) { | |
130 return false; | |
131 } | |
132 | |
133 if (event_msg.type() == Event::INIT) { | |
134 RTC_CHECK(event_msg.has_init()); | |
135 HandleMessage(event_msg.init()); | |
136 | |
137 } else if (event_msg.type() == Event::STREAM) { | |
138 RTC_CHECK(event_msg.has_stream()); | |
139 HandleMessage(event_msg.stream()); | |
140 | |
141 } else if (event_msg.type() == Event::REVERSE_STREAM) { | |
142 RTC_CHECK(event_msg.has_reverse_stream()); | |
143 HandleMessage(event_msg.reverse_stream()); | |
144 } | |
145 } while (event_msg.type() != Event::STREAM); | |
146 | |
147 return true; | |
148 } | |
149 | |
150 void AecDumpFileProcessor::HandleMessage(const Init& msg) { | |
151 RTC_CHECK(msg.has_sample_rate()); | |
152 RTC_CHECK(msg.has_num_input_channels()); | |
153 RTC_CHECK(msg.has_num_reverse_channels()); | |
154 | |
155 in_buf_.reset(new ChannelBuffer<float>( | |
156 CheckedDivExact(msg.sample_rate(), kChunksPerSecond), | |
157 msg.num_input_channels())); | |
158 const int reverse_sample_rate = msg.has_reverse_sample_rate() | |
159 ? msg.reverse_sample_rate() | |
160 : msg.sample_rate(); | |
161 reverse_buf_.reset(new ChannelBuffer<float>( | |
162 CheckedDivExact(reverse_sample_rate, kChunksPerSecond), | |
163 msg.num_reverse_channels())); | |
164 input_config_ = StreamConfig(msg.sample_rate(), msg.num_input_channels()); | |
165 reverse_config_ = | |
166 StreamConfig(reverse_sample_rate, msg.num_reverse_channels()); | |
167 | |
168 const ProcessingConfig config = { | |
169 {input_config_, output_config_, reverse_config_, reverse_config_}}; | |
170 RTC_CHECK_EQ(kNoErr, ap_->Initialize(config)); | |
171 } | |
172 | |
173 void AecDumpFileProcessor::HandleMessage(const Stream& msg) { | |
174 RTC_CHECK(!msg.has_input_data()); | |
175 RTC_CHECK_EQ(in_buf_->num_channels(), | |
176 static_cast<size_t>(msg.input_channel_size())); | |
177 | |
178 for (int i = 0; i < msg.input_channel_size(); ++i) { | |
179 RTC_CHECK_EQ(in_buf_->num_frames() * sizeof(*in_buf_->channels()[i]), | |
180 msg.input_channel(i).size()); | |
181 std::memcpy(in_buf_->channels()[i], msg.input_channel(i).data(), | |
182 msg.input_channel(i).size()); | |
183 } | |
184 { | |
185 const auto st = ScopedTimer(mutable_proc_time()); | |
186 RTC_CHECK_EQ(kNoErr, ap_->set_stream_delay_ms(msg.delay())); | |
187 ap_->echo_cancellation()->set_stream_drift_samples(msg.drift()); | |
188 if (msg.has_keypress()) { | |
189 ap_->set_stream_key_pressed(msg.keypress()); | |
190 } | |
191 RTC_CHECK_EQ(kNoErr, | |
192 ap_->ProcessStream(in_buf_->channels(), input_config_, | |
193 output_config_, out_buf_.channels())); | |
194 } | |
195 | |
196 buffer_writer_.Write(out_buf_); | |
197 } | |
198 | |
199 void AecDumpFileProcessor::HandleMessage(const ReverseStream& msg) { | |
200 RTC_CHECK(!msg.has_data()); | |
201 RTC_CHECK_EQ(reverse_buf_->num_channels(), | |
202 static_cast<size_t>(msg.channel_size())); | |
203 | |
204 for (int i = 0; i < msg.channel_size(); ++i) { | |
205 RTC_CHECK_EQ(reverse_buf_->num_frames() * sizeof(*in_buf_->channels()[i]), | |
206 msg.channel(i).size()); | |
207 std::memcpy(reverse_buf_->channels()[i], msg.channel(i).data(), | |
208 msg.channel(i).size()); | |
209 } | |
210 { | |
211 const auto st = ScopedTimer(mutable_proc_time()); | |
212 // TODO(ajm): This currently discards the processed output, which is needed | |
213 // for e.g. intelligibility enhancement. | |
214 RTC_CHECK_EQ(kNoErr, ap_->ProcessReverseStream( | |
215 reverse_buf_->channels(), reverse_config_, | |
216 reverse_config_, reverse_buf_->channels())); | |
217 } | |
218 } | |
219 | |
220 } // namespace webrtc | |
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