niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 1 | /* |
andrew@webrtc.org | 4065403 | 2012-01-30 20:51:15 +0000 | [diff] [blame] | 2 | * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 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 "audio_processing_impl.h" |
| 12 | |
ajm@google.com | 808e0e0 | 2011-08-03 21:08:51 +0000 | [diff] [blame] | 13 | #include <assert.h> |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 14 | |
| 15 | #include "audio_buffer.h" |
ajm@google.com | 808e0e0 | 2011-08-03 21:08:51 +0000 | [diff] [blame] | 16 | #include "critical_section_wrapper.h" |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 17 | #include "echo_cancellation_impl.h" |
| 18 | #include "echo_control_mobile_impl.h" |
ajm@google.com | 808e0e0 | 2011-08-03 21:08:51 +0000 | [diff] [blame] | 19 | #include "file_wrapper.h" |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 20 | #include "high_pass_filter_impl.h" |
| 21 | #include "gain_control_impl.h" |
| 22 | #include "level_estimator_impl.h" |
ajm@google.com | 808e0e0 | 2011-08-03 21:08:51 +0000 | [diff] [blame] | 23 | #include "module_common_types.h" |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 24 | #include "noise_suppression_impl.h" |
| 25 | #include "processing_component.h" |
| 26 | #include "splitting_filter.h" |
| 27 | #include "voice_detection_impl.h" |
andrew@webrtc.org | 7bf2646 | 2011-12-03 00:03:31 +0000 | [diff] [blame] | 28 | |
| 29 | #ifdef WEBRTC_AUDIOPROC_DEBUG_DUMP |
| 30 | // Files generated at build-time by the protobuf compiler. |
leozwang@webrtc.org | a373634 | 2012-03-16 21:36:00 +0000 | [diff] [blame] | 31 | #ifdef WEBRTC_ANDROID_PLATFORM_BUILD |
andrew@webrtc.org | 4d5d5c1 | 2011-10-19 01:40:33 +0000 | [diff] [blame] | 32 | #include "external/webrtc/src/modules/audio_processing/debug.pb.h" |
leozwang@google.com | ce9bfbb | 2011-08-03 23:34:31 +0000 | [diff] [blame] | 33 | #else |
ajm@google.com | 808e0e0 | 2011-08-03 21:08:51 +0000 | [diff] [blame] | 34 | #include "webrtc/audio_processing/debug.pb.h" |
leozwang@google.com | ce9bfbb | 2011-08-03 23:34:31 +0000 | [diff] [blame] | 35 | #endif |
andrew@webrtc.org | 7bf2646 | 2011-12-03 00:03:31 +0000 | [diff] [blame] | 36 | #endif // WEBRTC_AUDIOPROC_DEBUG_DUMP |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 37 | |
| 38 | namespace webrtc { |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 39 | AudioProcessing* AudioProcessing::Create(int id) { |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 40 | |
| 41 | AudioProcessingImpl* apm = new AudioProcessingImpl(id); |
| 42 | if (apm->Initialize() != kNoError) { |
| 43 | delete apm; |
| 44 | apm = NULL; |
| 45 | } |
| 46 | |
| 47 | return apm; |
| 48 | } |
| 49 | |
| 50 | void AudioProcessing::Destroy(AudioProcessing* apm) { |
| 51 | delete static_cast<AudioProcessingImpl*>(apm); |
| 52 | } |
| 53 | |
| 54 | AudioProcessingImpl::AudioProcessingImpl(int id) |
| 55 | : id_(id), |
| 56 | echo_cancellation_(NULL), |
| 57 | echo_control_mobile_(NULL), |
| 58 | gain_control_(NULL), |
| 59 | high_pass_filter_(NULL), |
| 60 | level_estimator_(NULL), |
| 61 | noise_suppression_(NULL), |
| 62 | voice_detection_(NULL), |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 63 | crit_(CriticalSectionWrapper::CreateCriticalSection()), |
| 64 | render_audio_(NULL), |
| 65 | capture_audio_(NULL), |
andrew@webrtc.org | 7bf2646 | 2011-12-03 00:03:31 +0000 | [diff] [blame] | 66 | #ifdef WEBRTC_AUDIOPROC_DEBUG_DUMP |
| 67 | debug_file_(FileWrapper::Create()), |
| 68 | event_msg_(new audioproc::Event()), |
| 69 | #endif |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 70 | sample_rate_hz_(kSampleRate16kHz), |
| 71 | split_sample_rate_hz_(kSampleRate16kHz), |
| 72 | samples_per_channel_(sample_rate_hz_ / 100), |
| 73 | stream_delay_ms_(0), |
andrew@webrtc.org | 6f9f817 | 2012-03-06 19:03:39 +0000 | [diff] [blame] | 74 | delay_offset_ms_(0), |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 75 | was_stream_delay_set_(false), |
ajm@google.com | 808e0e0 | 2011-08-03 21:08:51 +0000 | [diff] [blame] | 76 | num_reverse_channels_(1), |
| 77 | num_input_channels_(1), |
| 78 | num_output_channels_(1) { |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 79 | |
| 80 | echo_cancellation_ = new EchoCancellationImpl(this); |
| 81 | component_list_.push_back(echo_cancellation_); |
| 82 | |
| 83 | echo_control_mobile_ = new EchoControlMobileImpl(this); |
| 84 | component_list_.push_back(echo_control_mobile_); |
| 85 | |
| 86 | gain_control_ = new GainControlImpl(this); |
| 87 | component_list_.push_back(gain_control_); |
| 88 | |
| 89 | high_pass_filter_ = new HighPassFilterImpl(this); |
| 90 | component_list_.push_back(high_pass_filter_); |
| 91 | |
| 92 | level_estimator_ = new LevelEstimatorImpl(this); |
| 93 | component_list_.push_back(level_estimator_); |
| 94 | |
| 95 | noise_suppression_ = new NoiseSuppressionImpl(this); |
| 96 | component_list_.push_back(noise_suppression_); |
| 97 | |
| 98 | voice_detection_ = new VoiceDetectionImpl(this); |
| 99 | component_list_.push_back(voice_detection_); |
| 100 | } |
| 101 | |
| 102 | AudioProcessingImpl::~AudioProcessingImpl() { |
| 103 | while (!component_list_.empty()) { |
| 104 | ProcessingComponent* component = component_list_.front(); |
| 105 | component->Destroy(); |
| 106 | delete component; |
| 107 | component_list_.pop_front(); |
| 108 | } |
| 109 | |
andrew@webrtc.org | 7bf2646 | 2011-12-03 00:03:31 +0000 | [diff] [blame] | 110 | #ifdef WEBRTC_AUDIOPROC_DEBUG_DUMP |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 111 | if (debug_file_->Open()) { |
| 112 | debug_file_->CloseFile(); |
| 113 | } |
andrew@webrtc.org | 7bf2646 | 2011-12-03 00:03:31 +0000 | [diff] [blame] | 114 | #endif |
ajm@google.com | 808e0e0 | 2011-08-03 21:08:51 +0000 | [diff] [blame] | 115 | |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 116 | delete crit_; |
| 117 | crit_ = NULL; |
| 118 | |
ajm@google.com | 808e0e0 | 2011-08-03 21:08:51 +0000 | [diff] [blame] | 119 | if (render_audio_) { |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 120 | delete render_audio_; |
| 121 | render_audio_ = NULL; |
| 122 | } |
| 123 | |
ajm@google.com | 808e0e0 | 2011-08-03 21:08:51 +0000 | [diff] [blame] | 124 | if (capture_audio_) { |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 125 | delete capture_audio_; |
| 126 | capture_audio_ = NULL; |
| 127 | } |
| 128 | } |
| 129 | |
| 130 | CriticalSectionWrapper* AudioProcessingImpl::crit() const { |
| 131 | return crit_; |
| 132 | } |
| 133 | |
| 134 | int AudioProcessingImpl::split_sample_rate_hz() const { |
| 135 | return split_sample_rate_hz_; |
| 136 | } |
| 137 | |
| 138 | int AudioProcessingImpl::Initialize() { |
andrew@webrtc.org | 4065403 | 2012-01-30 20:51:15 +0000 | [diff] [blame] | 139 | CriticalSectionScoped crit_scoped(crit_); |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 140 | return InitializeLocked(); |
| 141 | } |
| 142 | |
| 143 | int AudioProcessingImpl::InitializeLocked() { |
| 144 | if (render_audio_ != NULL) { |
| 145 | delete render_audio_; |
| 146 | render_audio_ = NULL; |
| 147 | } |
| 148 | |
| 149 | if (capture_audio_ != NULL) { |
| 150 | delete capture_audio_; |
| 151 | capture_audio_ = NULL; |
| 152 | } |
| 153 | |
ajm@google.com | 808e0e0 | 2011-08-03 21:08:51 +0000 | [diff] [blame] | 154 | render_audio_ = new AudioBuffer(num_reverse_channels_, |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 155 | samples_per_channel_); |
ajm@google.com | 808e0e0 | 2011-08-03 21:08:51 +0000 | [diff] [blame] | 156 | capture_audio_ = new AudioBuffer(num_input_channels_, |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 157 | samples_per_channel_); |
| 158 | |
| 159 | was_stream_delay_set_ = false; |
| 160 | |
| 161 | // Initialize all components. |
| 162 | std::list<ProcessingComponent*>::iterator it; |
| 163 | for (it = component_list_.begin(); it != component_list_.end(); it++) { |
| 164 | int err = (*it)->Initialize(); |
| 165 | if (err != kNoError) { |
| 166 | return err; |
| 167 | } |
| 168 | } |
| 169 | |
andrew@webrtc.org | 7bf2646 | 2011-12-03 00:03:31 +0000 | [diff] [blame] | 170 | #ifdef WEBRTC_AUDIOPROC_DEBUG_DUMP |
ajm@google.com | 808e0e0 | 2011-08-03 21:08:51 +0000 | [diff] [blame] | 171 | if (debug_file_->Open()) { |
| 172 | int err = WriteInitMessage(); |
| 173 | if (err != kNoError) { |
| 174 | return err; |
| 175 | } |
| 176 | } |
andrew@webrtc.org | 7bf2646 | 2011-12-03 00:03:31 +0000 | [diff] [blame] | 177 | #endif |
ajm@google.com | 808e0e0 | 2011-08-03 21:08:51 +0000 | [diff] [blame] | 178 | |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 179 | return kNoError; |
| 180 | } |
| 181 | |
| 182 | int AudioProcessingImpl::set_sample_rate_hz(int rate) { |
andrew@webrtc.org | 4065403 | 2012-01-30 20:51:15 +0000 | [diff] [blame] | 183 | CriticalSectionScoped crit_scoped(crit_); |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 184 | if (rate != kSampleRate8kHz && |
| 185 | rate != kSampleRate16kHz && |
| 186 | rate != kSampleRate32kHz) { |
| 187 | return kBadParameterError; |
| 188 | } |
| 189 | |
| 190 | sample_rate_hz_ = rate; |
| 191 | samples_per_channel_ = rate / 100; |
| 192 | |
| 193 | if (sample_rate_hz_ == kSampleRate32kHz) { |
| 194 | split_sample_rate_hz_ = kSampleRate16kHz; |
| 195 | } else { |
| 196 | split_sample_rate_hz_ = sample_rate_hz_; |
| 197 | } |
| 198 | |
| 199 | return InitializeLocked(); |
| 200 | } |
| 201 | |
| 202 | int AudioProcessingImpl::sample_rate_hz() const { |
| 203 | return sample_rate_hz_; |
| 204 | } |
| 205 | |
| 206 | int AudioProcessingImpl::set_num_reverse_channels(int channels) { |
andrew@webrtc.org | 4065403 | 2012-01-30 20:51:15 +0000 | [diff] [blame] | 207 | CriticalSectionScoped crit_scoped(crit_); |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 208 | // Only stereo supported currently. |
| 209 | if (channels > 2 || channels < 1) { |
| 210 | return kBadParameterError; |
| 211 | } |
| 212 | |
ajm@google.com | 808e0e0 | 2011-08-03 21:08:51 +0000 | [diff] [blame] | 213 | num_reverse_channels_ = channels; |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 214 | |
| 215 | return InitializeLocked(); |
| 216 | } |
| 217 | |
| 218 | int AudioProcessingImpl::num_reverse_channels() const { |
ajm@google.com | 808e0e0 | 2011-08-03 21:08:51 +0000 | [diff] [blame] | 219 | return num_reverse_channels_; |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 220 | } |
| 221 | |
| 222 | int AudioProcessingImpl::set_num_channels( |
| 223 | int input_channels, |
| 224 | int output_channels) { |
andrew@webrtc.org | 4065403 | 2012-01-30 20:51:15 +0000 | [diff] [blame] | 225 | CriticalSectionScoped crit_scoped(crit_); |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 226 | if (output_channels > input_channels) { |
| 227 | return kBadParameterError; |
| 228 | } |
| 229 | |
| 230 | // Only stereo supported currently. |
| 231 | if (input_channels > 2 || input_channels < 1) { |
| 232 | return kBadParameterError; |
| 233 | } |
| 234 | |
| 235 | if (output_channels > 2 || output_channels < 1) { |
| 236 | return kBadParameterError; |
| 237 | } |
| 238 | |
ajm@google.com | 808e0e0 | 2011-08-03 21:08:51 +0000 | [diff] [blame] | 239 | num_input_channels_ = input_channels; |
| 240 | num_output_channels_ = output_channels; |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 241 | |
| 242 | return InitializeLocked(); |
| 243 | } |
| 244 | |
| 245 | int AudioProcessingImpl::num_input_channels() const { |
ajm@google.com | 808e0e0 | 2011-08-03 21:08:51 +0000 | [diff] [blame] | 246 | return num_input_channels_; |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 247 | } |
| 248 | |
| 249 | int AudioProcessingImpl::num_output_channels() const { |
ajm@google.com | 808e0e0 | 2011-08-03 21:08:51 +0000 | [diff] [blame] | 250 | return num_output_channels_; |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 251 | } |
| 252 | |
| 253 | int AudioProcessingImpl::ProcessStream(AudioFrame* frame) { |
andrew@webrtc.org | 4065403 | 2012-01-30 20:51:15 +0000 | [diff] [blame] | 254 | CriticalSectionScoped crit_scoped(crit_); |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 255 | int err = kNoError; |
| 256 | |
| 257 | if (frame == NULL) { |
| 258 | return kNullPointerError; |
| 259 | } |
| 260 | |
andrew@webrtc.org | 63a5098 | 2012-05-02 23:56:37 +0000 | [diff] [blame] | 261 | if (frame->sample_rate_hz_ != sample_rate_hz_) { |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 262 | return kBadSampleRateError; |
| 263 | } |
| 264 | |
andrew@webrtc.org | 63a5098 | 2012-05-02 23:56:37 +0000 | [diff] [blame] | 265 | if (frame->num_channels_ != num_input_channels_) { |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 266 | return kBadNumberChannelsError; |
| 267 | } |
| 268 | |
andrew@webrtc.org | 63a5098 | 2012-05-02 23:56:37 +0000 | [diff] [blame] | 269 | if (frame->samples_per_channel_ != samples_per_channel_) { |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 270 | return kBadDataLengthError; |
| 271 | } |
| 272 | |
andrew@webrtc.org | 7bf2646 | 2011-12-03 00:03:31 +0000 | [diff] [blame] | 273 | #ifdef WEBRTC_AUDIOPROC_DEBUG_DUMP |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 274 | if (debug_file_->Open()) { |
ajm@google.com | 808e0e0 | 2011-08-03 21:08:51 +0000 | [diff] [blame] | 275 | event_msg_->set_type(audioproc::Event::STREAM); |
| 276 | audioproc::Stream* msg = event_msg_->mutable_stream(); |
andrew@webrtc.org | 755b04a | 2011-11-15 16:57:56 +0000 | [diff] [blame] | 277 | const size_t data_size = sizeof(int16_t) * |
andrew@webrtc.org | 63a5098 | 2012-05-02 23:56:37 +0000 | [diff] [blame] | 278 | frame->samples_per_channel_ * |
| 279 | frame->num_channels_; |
| 280 | msg->set_input_data(frame->data_, data_size); |
ajm@google.com | 808e0e0 | 2011-08-03 21:08:51 +0000 | [diff] [blame] | 281 | msg->set_delay(stream_delay_ms_); |
| 282 | msg->set_drift(echo_cancellation_->stream_drift_samples()); |
| 283 | msg->set_level(gain_control_->stream_analog_level()); |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 284 | } |
andrew@webrtc.org | 7bf2646 | 2011-12-03 00:03:31 +0000 | [diff] [blame] | 285 | #endif |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 286 | |
| 287 | capture_audio_->DeinterleaveFrom(frame); |
| 288 | |
| 289 | // TODO(ajm): experiment with mixing and AEC placement. |
ajm@google.com | 808e0e0 | 2011-08-03 21:08:51 +0000 | [diff] [blame] | 290 | if (num_output_channels_ < num_input_channels_) { |
| 291 | capture_audio_->Mix(num_output_channels_); |
andrew@webrtc.org | 63a5098 | 2012-05-02 23:56:37 +0000 | [diff] [blame] | 292 | frame->num_channels_ = num_output_channels_; |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 293 | } |
| 294 | |
andrew@webrtc.org | 369166a | 2012-04-24 18:38:03 +0000 | [diff] [blame] | 295 | bool data_processed = is_data_processed(); |
| 296 | if (analysis_needed(data_processed)) { |
andrew@webrtc.org | 755b04a | 2011-11-15 16:57:56 +0000 | [diff] [blame] | 297 | for (int i = 0; i < num_output_channels_; i++) { |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 298 | // Split into a low and high band. |
| 299 | SplittingFilterAnalysis(capture_audio_->data(i), |
| 300 | capture_audio_->low_pass_split_data(i), |
| 301 | capture_audio_->high_pass_split_data(i), |
| 302 | capture_audio_->analysis_filter_state1(i), |
| 303 | capture_audio_->analysis_filter_state2(i)); |
| 304 | } |
| 305 | } |
| 306 | |
| 307 | err = high_pass_filter_->ProcessCaptureAudio(capture_audio_); |
| 308 | if (err != kNoError) { |
| 309 | return err; |
| 310 | } |
| 311 | |
| 312 | err = gain_control_->AnalyzeCaptureAudio(capture_audio_); |
| 313 | if (err != kNoError) { |
| 314 | return err; |
| 315 | } |
| 316 | |
| 317 | err = echo_cancellation_->ProcessCaptureAudio(capture_audio_); |
| 318 | if (err != kNoError) { |
| 319 | return err; |
| 320 | } |
| 321 | |
| 322 | if (echo_control_mobile_->is_enabled() && |
| 323 | noise_suppression_->is_enabled()) { |
| 324 | capture_audio_->CopyLowPassToReference(); |
| 325 | } |
| 326 | |
| 327 | err = noise_suppression_->ProcessCaptureAudio(capture_audio_); |
| 328 | if (err != kNoError) { |
| 329 | return err; |
| 330 | } |
| 331 | |
| 332 | err = echo_control_mobile_->ProcessCaptureAudio(capture_audio_); |
| 333 | if (err != kNoError) { |
| 334 | return err; |
| 335 | } |
| 336 | |
| 337 | err = voice_detection_->ProcessCaptureAudio(capture_audio_); |
| 338 | if (err != kNoError) { |
| 339 | return err; |
| 340 | } |
| 341 | |
| 342 | err = gain_control_->ProcessCaptureAudio(capture_audio_); |
| 343 | if (err != kNoError) { |
| 344 | return err; |
| 345 | } |
| 346 | |
andrew@webrtc.org | 369166a | 2012-04-24 18:38:03 +0000 | [diff] [blame] | 347 | if (synthesis_needed(data_processed)) { |
ajm@google.com | 808e0e0 | 2011-08-03 21:08:51 +0000 | [diff] [blame] | 348 | for (int i = 0; i < num_output_channels_; i++) { |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 349 | // Recombine low and high bands. |
| 350 | SplittingFilterSynthesis(capture_audio_->low_pass_split_data(i), |
| 351 | capture_audio_->high_pass_split_data(i), |
| 352 | capture_audio_->data(i), |
| 353 | capture_audio_->synthesis_filter_state1(i), |
| 354 | capture_audio_->synthesis_filter_state2(i)); |
| 355 | } |
| 356 | } |
| 357 | |
andrew@webrtc.org | 755b04a | 2011-11-15 16:57:56 +0000 | [diff] [blame] | 358 | // The level estimator operates on the recombined data. |
| 359 | err = level_estimator_->ProcessStream(capture_audio_); |
| 360 | if (err != kNoError) { |
| 361 | return err; |
| 362 | } |
| 363 | |
andrew@webrtc.org | 369166a | 2012-04-24 18:38:03 +0000 | [diff] [blame] | 364 | capture_audio_->InterleaveTo(frame, interleave_needed(data_processed)); |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 365 | |
andrew@webrtc.org | 7bf2646 | 2011-12-03 00:03:31 +0000 | [diff] [blame] | 366 | #ifdef WEBRTC_AUDIOPROC_DEBUG_DUMP |
ajm@google.com | 808e0e0 | 2011-08-03 21:08:51 +0000 | [diff] [blame] | 367 | if (debug_file_->Open()) { |
| 368 | audioproc::Stream* msg = event_msg_->mutable_stream(); |
andrew@webrtc.org | 755b04a | 2011-11-15 16:57:56 +0000 | [diff] [blame] | 369 | const size_t data_size = sizeof(int16_t) * |
andrew@webrtc.org | 63a5098 | 2012-05-02 23:56:37 +0000 | [diff] [blame] | 370 | frame->samples_per_channel_ * |
| 371 | frame->num_channels_; |
| 372 | msg->set_output_data(frame->data_, data_size); |
ajm@google.com | 808e0e0 | 2011-08-03 21:08:51 +0000 | [diff] [blame] | 373 | err = WriteMessageToDebugFile(); |
| 374 | if (err != kNoError) { |
| 375 | return err; |
| 376 | } |
| 377 | } |
andrew@webrtc.org | 7bf2646 | 2011-12-03 00:03:31 +0000 | [diff] [blame] | 378 | #endif |
ajm@google.com | 808e0e0 | 2011-08-03 21:08:51 +0000 | [diff] [blame] | 379 | |
andrew@webrtc.org | 1e91693 | 2011-11-29 18:28:57 +0000 | [diff] [blame] | 380 | was_stream_delay_set_ = false; |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 381 | return kNoError; |
| 382 | } |
| 383 | |
| 384 | int AudioProcessingImpl::AnalyzeReverseStream(AudioFrame* frame) { |
andrew@webrtc.org | 4065403 | 2012-01-30 20:51:15 +0000 | [diff] [blame] | 385 | CriticalSectionScoped crit_scoped(crit_); |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 386 | int err = kNoError; |
| 387 | |
| 388 | if (frame == NULL) { |
| 389 | return kNullPointerError; |
| 390 | } |
| 391 | |
andrew@webrtc.org | 63a5098 | 2012-05-02 23:56:37 +0000 | [diff] [blame] | 392 | if (frame->sample_rate_hz_ != sample_rate_hz_) { |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 393 | return kBadSampleRateError; |
| 394 | } |
| 395 | |
andrew@webrtc.org | 63a5098 | 2012-05-02 23:56:37 +0000 | [diff] [blame] | 396 | if (frame->num_channels_ != num_reverse_channels_) { |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 397 | return kBadNumberChannelsError; |
| 398 | } |
| 399 | |
andrew@webrtc.org | 63a5098 | 2012-05-02 23:56:37 +0000 | [diff] [blame] | 400 | if (frame->samples_per_channel_ != samples_per_channel_) { |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 401 | return kBadDataLengthError; |
| 402 | } |
| 403 | |
andrew@webrtc.org | 7bf2646 | 2011-12-03 00:03:31 +0000 | [diff] [blame] | 404 | #ifdef WEBRTC_AUDIOPROC_DEBUG_DUMP |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 405 | if (debug_file_->Open()) { |
ajm@google.com | 808e0e0 | 2011-08-03 21:08:51 +0000 | [diff] [blame] | 406 | event_msg_->set_type(audioproc::Event::REVERSE_STREAM); |
| 407 | audioproc::ReverseStream* msg = event_msg_->mutable_reverse_stream(); |
andrew@webrtc.org | 755b04a | 2011-11-15 16:57:56 +0000 | [diff] [blame] | 408 | const size_t data_size = sizeof(int16_t) * |
andrew@webrtc.org | 63a5098 | 2012-05-02 23:56:37 +0000 | [diff] [blame] | 409 | frame->samples_per_channel_ * |
| 410 | frame->num_channels_; |
| 411 | msg->set_data(frame->data_, data_size); |
ajm@google.com | 808e0e0 | 2011-08-03 21:08:51 +0000 | [diff] [blame] | 412 | err = WriteMessageToDebugFile(); |
| 413 | if (err != kNoError) { |
| 414 | return err; |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 415 | } |
| 416 | } |
andrew@webrtc.org | 7bf2646 | 2011-12-03 00:03:31 +0000 | [diff] [blame] | 417 | #endif |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 418 | |
| 419 | render_audio_->DeinterleaveFrom(frame); |
| 420 | |
| 421 | // TODO(ajm): turn the splitting filter into a component? |
| 422 | if (sample_rate_hz_ == kSampleRate32kHz) { |
ajm@google.com | 808e0e0 | 2011-08-03 21:08:51 +0000 | [diff] [blame] | 423 | for (int i = 0; i < num_reverse_channels_; i++) { |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 424 | // Split into low and high band. |
| 425 | SplittingFilterAnalysis(render_audio_->data(i), |
| 426 | render_audio_->low_pass_split_data(i), |
| 427 | render_audio_->high_pass_split_data(i), |
| 428 | render_audio_->analysis_filter_state1(i), |
| 429 | render_audio_->analysis_filter_state2(i)); |
| 430 | } |
| 431 | } |
| 432 | |
| 433 | // TODO(ajm): warnings possible from components? |
| 434 | err = echo_cancellation_->ProcessRenderAudio(render_audio_); |
| 435 | if (err != kNoError) { |
| 436 | return err; |
| 437 | } |
| 438 | |
| 439 | err = echo_control_mobile_->ProcessRenderAudio(render_audio_); |
| 440 | if (err != kNoError) { |
| 441 | return err; |
| 442 | } |
| 443 | |
| 444 | err = gain_control_->ProcessRenderAudio(render_audio_); |
| 445 | if (err != kNoError) { |
| 446 | return err; |
| 447 | } |
| 448 | |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 449 | return err; // TODO(ajm): this is for returning warnings; necessary? |
| 450 | } |
| 451 | |
| 452 | int AudioProcessingImpl::set_stream_delay_ms(int delay) { |
andrew@webrtc.org | 5f23d64 | 2012-05-29 21:14:06 +0000 | [diff] [blame^] | 453 | Error retval = kNoError; |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 454 | was_stream_delay_set_ = true; |
andrew@webrtc.org | 6f9f817 | 2012-03-06 19:03:39 +0000 | [diff] [blame] | 455 | delay += delay_offset_ms_; |
| 456 | |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 457 | if (delay < 0) { |
andrew@webrtc.org | 5f23d64 | 2012-05-29 21:14:06 +0000 | [diff] [blame^] | 458 | delay = 0; |
| 459 | retval = kBadStreamParameterWarning; |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 460 | } |
| 461 | |
| 462 | // TODO(ajm): the max is rather arbitrarily chosen; investigate. |
| 463 | if (delay > 500) { |
andrew@webrtc.org | 5f23d64 | 2012-05-29 21:14:06 +0000 | [diff] [blame^] | 464 | delay = 500; |
| 465 | retval = kBadStreamParameterWarning; |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 466 | } |
| 467 | |
| 468 | stream_delay_ms_ = delay; |
andrew@webrtc.org | 5f23d64 | 2012-05-29 21:14:06 +0000 | [diff] [blame^] | 469 | return retval; |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 470 | } |
| 471 | |
| 472 | int AudioProcessingImpl::stream_delay_ms() const { |
| 473 | return stream_delay_ms_; |
| 474 | } |
| 475 | |
| 476 | bool AudioProcessingImpl::was_stream_delay_set() const { |
| 477 | return was_stream_delay_set_; |
| 478 | } |
| 479 | |
andrew@webrtc.org | 6f9f817 | 2012-03-06 19:03:39 +0000 | [diff] [blame] | 480 | void AudioProcessingImpl::set_delay_offset_ms(int offset) { |
| 481 | CriticalSectionScoped crit_scoped(crit_); |
| 482 | delay_offset_ms_ = offset; |
| 483 | } |
| 484 | |
| 485 | int AudioProcessingImpl::delay_offset_ms() const { |
| 486 | return delay_offset_ms_; |
| 487 | } |
| 488 | |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 489 | int AudioProcessingImpl::StartDebugRecording( |
| 490 | const char filename[AudioProcessing::kMaxFilenameSize]) { |
andrew@webrtc.org | 4065403 | 2012-01-30 20:51:15 +0000 | [diff] [blame] | 491 | CriticalSectionScoped crit_scoped(crit_); |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 492 | assert(kMaxFilenameSize == FileWrapper::kMaxFileNameSize); |
| 493 | |
| 494 | if (filename == NULL) { |
| 495 | return kNullPointerError; |
| 496 | } |
| 497 | |
andrew@webrtc.org | 7bf2646 | 2011-12-03 00:03:31 +0000 | [diff] [blame] | 498 | #ifdef WEBRTC_AUDIOPROC_DEBUG_DUMP |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 499 | // Stop any ongoing recording. |
| 500 | if (debug_file_->Open()) { |
| 501 | if (debug_file_->CloseFile() == -1) { |
| 502 | return kFileError; |
| 503 | } |
| 504 | } |
| 505 | |
| 506 | if (debug_file_->OpenFile(filename, false) == -1) { |
| 507 | debug_file_->CloseFile(); |
| 508 | return kFileError; |
| 509 | } |
| 510 | |
ajm@google.com | 808e0e0 | 2011-08-03 21:08:51 +0000 | [diff] [blame] | 511 | int err = WriteInitMessage(); |
| 512 | if (err != kNoError) { |
| 513 | return err; |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 514 | } |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 515 | return kNoError; |
andrew@webrtc.org | 7bf2646 | 2011-12-03 00:03:31 +0000 | [diff] [blame] | 516 | #else |
| 517 | return kUnsupportedFunctionError; |
| 518 | #endif // WEBRTC_AUDIOPROC_DEBUG_DUMP |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 519 | } |
| 520 | |
| 521 | int AudioProcessingImpl::StopDebugRecording() { |
andrew@webrtc.org | 4065403 | 2012-01-30 20:51:15 +0000 | [diff] [blame] | 522 | CriticalSectionScoped crit_scoped(crit_); |
andrew@webrtc.org | 7bf2646 | 2011-12-03 00:03:31 +0000 | [diff] [blame] | 523 | |
| 524 | #ifdef WEBRTC_AUDIOPROC_DEBUG_DUMP |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 525 | // We just return if recording hasn't started. |
| 526 | if (debug_file_->Open()) { |
| 527 | if (debug_file_->CloseFile() == -1) { |
| 528 | return kFileError; |
| 529 | } |
| 530 | } |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 531 | return kNoError; |
andrew@webrtc.org | 7bf2646 | 2011-12-03 00:03:31 +0000 | [diff] [blame] | 532 | #else |
| 533 | return kUnsupportedFunctionError; |
| 534 | #endif // WEBRTC_AUDIOPROC_DEBUG_DUMP |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 535 | } |
| 536 | |
| 537 | EchoCancellation* AudioProcessingImpl::echo_cancellation() const { |
| 538 | return echo_cancellation_; |
| 539 | } |
| 540 | |
| 541 | EchoControlMobile* AudioProcessingImpl::echo_control_mobile() const { |
| 542 | return echo_control_mobile_; |
| 543 | } |
| 544 | |
| 545 | GainControl* AudioProcessingImpl::gain_control() const { |
| 546 | return gain_control_; |
| 547 | } |
| 548 | |
| 549 | HighPassFilter* AudioProcessingImpl::high_pass_filter() const { |
| 550 | return high_pass_filter_; |
| 551 | } |
| 552 | |
| 553 | LevelEstimator* AudioProcessingImpl::level_estimator() const { |
| 554 | return level_estimator_; |
| 555 | } |
| 556 | |
| 557 | NoiseSuppression* AudioProcessingImpl::noise_suppression() const { |
| 558 | return noise_suppression_; |
| 559 | } |
| 560 | |
| 561 | VoiceDetection* AudioProcessingImpl::voice_detection() const { |
| 562 | return voice_detection_; |
| 563 | } |
| 564 | |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 565 | WebRtc_Word32 AudioProcessingImpl::ChangeUniqueId(const WebRtc_Word32 id) { |
andrew@webrtc.org | 4065403 | 2012-01-30 20:51:15 +0000 | [diff] [blame] | 566 | CriticalSectionScoped crit_scoped(crit_); |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 567 | id_ = id; |
| 568 | |
| 569 | return kNoError; |
| 570 | } |
ajm@google.com | 808e0e0 | 2011-08-03 21:08:51 +0000 | [diff] [blame] | 571 | |
andrew@webrtc.org | 369166a | 2012-04-24 18:38:03 +0000 | [diff] [blame] | 572 | bool AudioProcessingImpl::is_data_processed() const { |
andrew@webrtc.org | 7bf2646 | 2011-12-03 00:03:31 +0000 | [diff] [blame] | 573 | int enabled_count = 0; |
| 574 | std::list<ProcessingComponent*>::const_iterator it; |
| 575 | for (it = component_list_.begin(); it != component_list_.end(); it++) { |
| 576 | if ((*it)->is_component_enabled()) { |
| 577 | enabled_count++; |
| 578 | } |
| 579 | } |
| 580 | |
| 581 | // Data is unchanged if no components are enabled, or if only level_estimator_ |
| 582 | // or voice_detection_ is enabled. |
| 583 | if (enabled_count == 0) { |
| 584 | return false; |
| 585 | } else if (enabled_count == 1) { |
| 586 | if (level_estimator_->is_enabled() || voice_detection_->is_enabled()) { |
| 587 | return false; |
| 588 | } |
| 589 | } else if (enabled_count == 2) { |
| 590 | if (level_estimator_->is_enabled() && voice_detection_->is_enabled()) { |
| 591 | return false; |
| 592 | } |
| 593 | } |
| 594 | return true; |
| 595 | } |
| 596 | |
andrew@webrtc.org | 369166a | 2012-04-24 18:38:03 +0000 | [diff] [blame] | 597 | bool AudioProcessingImpl::interleave_needed(bool is_data_processed) const { |
| 598 | // Check if we've upmixed or downmixed the audio. |
| 599 | return (num_output_channels_ != num_input_channels_ || is_data_processed); |
andrew@webrtc.org | 7bf2646 | 2011-12-03 00:03:31 +0000 | [diff] [blame] | 600 | } |
| 601 | |
andrew@webrtc.org | 369166a | 2012-04-24 18:38:03 +0000 | [diff] [blame] | 602 | bool AudioProcessingImpl::synthesis_needed(bool is_data_processed) const { |
| 603 | return (is_data_processed && sample_rate_hz_ == kSampleRate32kHz); |
| 604 | } |
| 605 | |
| 606 | bool AudioProcessingImpl::analysis_needed(bool is_data_processed) const { |
| 607 | if (!is_data_processed && !voice_detection_->is_enabled()) { |
andrew@webrtc.org | 7bf2646 | 2011-12-03 00:03:31 +0000 | [diff] [blame] | 608 | // Only level_estimator_ is enabled. |
| 609 | return false; |
| 610 | } else if (sample_rate_hz_ == kSampleRate32kHz) { |
| 611 | // Something besides level_estimator_ is enabled, and we have super-wb. |
| 612 | return true; |
| 613 | } |
| 614 | return false; |
| 615 | } |
| 616 | |
| 617 | #ifdef WEBRTC_AUDIOPROC_DEBUG_DUMP |
ajm@google.com | 808e0e0 | 2011-08-03 21:08:51 +0000 | [diff] [blame] | 618 | int AudioProcessingImpl::WriteMessageToDebugFile() { |
| 619 | int32_t size = event_msg_->ByteSize(); |
| 620 | if (size <= 0) { |
| 621 | return kUnspecifiedError; |
| 622 | } |
| 623 | #if defined(WEBRTC_BIG_ENDIAN) |
| 624 | // TODO(ajm): Use little-endian "on the wire". For the moment, we can be |
| 625 | // pretty safe in assuming little-endian. |
| 626 | #endif |
| 627 | |
| 628 | if (!event_msg_->SerializeToString(&event_str_)) { |
| 629 | return kUnspecifiedError; |
| 630 | } |
| 631 | |
| 632 | // Write message preceded by its size. |
| 633 | if (!debug_file_->Write(&size, sizeof(int32_t))) { |
| 634 | return kFileError; |
| 635 | } |
| 636 | if (!debug_file_->Write(event_str_.data(), event_str_.length())) { |
| 637 | return kFileError; |
| 638 | } |
| 639 | |
| 640 | event_msg_->Clear(); |
| 641 | |
| 642 | return 0; |
| 643 | } |
| 644 | |
| 645 | int AudioProcessingImpl::WriteInitMessage() { |
| 646 | event_msg_->set_type(audioproc::Event::INIT); |
| 647 | audioproc::Init* msg = event_msg_->mutable_init(); |
| 648 | msg->set_sample_rate(sample_rate_hz_); |
| 649 | msg->set_device_sample_rate(echo_cancellation_->device_sample_rate_hz()); |
| 650 | msg->set_num_input_channels(num_input_channels_); |
| 651 | msg->set_num_output_channels(num_output_channels_); |
| 652 | msg->set_num_reverse_channels(num_reverse_channels_); |
| 653 | |
| 654 | int err = WriteMessageToDebugFile(); |
| 655 | if (err != kNoError) { |
| 656 | return err; |
| 657 | } |
| 658 | |
| 659 | return kNoError; |
| 660 | } |
andrew@webrtc.org | 7bf2646 | 2011-12-03 00:03:31 +0000 | [diff] [blame] | 661 | #endif // WEBRTC_AUDIOPROC_DEBUG_DUMP |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 662 | } // namespace webrtc |