Fredrik Solenberg | 2a87797 | 2017-12-15 16:42:15 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2016 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 | #ifndef AUDIO_AUDIO_TRANSPORT_IMPL_H_ |
| 12 | #define AUDIO_AUDIO_TRANSPORT_IMPL_H_ |
| 13 | |
| 14 | #include <vector> |
| 15 | |
| 16 | #include "api/audio/audio_mixer.h" |
Mirko Bonadei | d970807 | 2019-01-25 20:26:48 +0100 | [diff] [blame] | 17 | #include "api/scoped_refptr.h" |
Fredrik Solenberg | 2a87797 | 2017-12-15 16:42:15 +0100 | [diff] [blame] | 18 | #include "common_audio/resampler/include/push_resampler.h" |
| 19 | #include "modules/audio_device/include/audio_device.h" |
| 20 | #include "modules/audio_processing/include/audio_processing.h" |
| 21 | #include "modules/audio_processing/typing_detection.h" |
Steve Anton | 10542f2 | 2019-01-11 09:11:00 -0800 | [diff] [blame] | 22 | #include "rtc_base/constructor_magic.h" |
| 23 | #include "rtc_base/critical_section.h" |
Fredrik Solenberg | 2a87797 | 2017-12-15 16:42:15 +0100 | [diff] [blame] | 24 | #include "rtc_base/thread_annotations.h" |
Fredrik Solenberg | 2a87797 | 2017-12-15 16:42:15 +0100 | [diff] [blame] | 25 | |
| 26 | namespace webrtc { |
| 27 | |
Tim Na | b8c775a | 2020-01-10 10:33:05 -0800 | [diff] [blame] | 28 | class AudioSender; |
Fredrik Solenberg | 2a87797 | 2017-12-15 16:42:15 +0100 | [diff] [blame] | 29 | |
| 30 | class AudioTransportImpl : public AudioTransport { |
| 31 | public: |
Yves Gerey | 665174f | 2018-06-19 15:03:05 +0200 | [diff] [blame] | 32 | AudioTransportImpl(AudioMixer* mixer, AudioProcessing* audio_processing); |
Fredrik Solenberg | 2a87797 | 2017-12-15 16:42:15 +0100 | [diff] [blame] | 33 | ~AudioTransportImpl() override; |
| 34 | |
| 35 | int32_t RecordedDataIsAvailable(const void* audioSamples, |
| 36 | const size_t nSamples, |
| 37 | const size_t nBytesPerSample, |
| 38 | const size_t nChannels, |
| 39 | const uint32_t samplesPerSec, |
| 40 | const uint32_t totalDelayMS, |
| 41 | const int32_t clockDrift, |
| 42 | const uint32_t currentMicLevel, |
| 43 | const bool keyPressed, |
| 44 | uint32_t& newMicLevel) override; |
| 45 | |
| 46 | int32_t NeedMorePlayData(const size_t nSamples, |
| 47 | const size_t nBytesPerSample, |
| 48 | const size_t nChannels, |
| 49 | const uint32_t samplesPerSec, |
| 50 | void* audioSamples, |
| 51 | size_t& nSamplesOut, |
| 52 | int64_t* elapsed_time_ms, |
| 53 | int64_t* ntp_time_ms) override; |
| 54 | |
| 55 | void PullRenderData(int bits_per_sample, |
| 56 | int sample_rate, |
| 57 | size_t number_of_channels, |
| 58 | size_t number_of_frames, |
| 59 | void* audio_data, |
| 60 | int64_t* elapsed_time_ms, |
| 61 | int64_t* ntp_time_ms) override; |
| 62 | |
Tim Na | b8c775a | 2020-01-10 10:33:05 -0800 | [diff] [blame] | 63 | void UpdateAudioSenders(std::vector<AudioSender*> senders, |
| 64 | int send_sample_rate_hz, |
| 65 | size_t send_num_channels); |
Fredrik Solenberg | 2a87797 | 2017-12-15 16:42:15 +0100 | [diff] [blame] | 66 | void SetStereoChannelSwapping(bool enable); |
| 67 | bool typing_noise_detected() const; |
Fredrik Solenberg | 2a87797 | 2017-12-15 16:42:15 +0100 | [diff] [blame] | 68 | |
| 69 | private: |
| 70 | // Shared. |
| 71 | AudioProcessing* audio_processing_ = nullptr; |
| 72 | |
| 73 | // Capture side. |
| 74 | rtc::CriticalSection capture_lock_; |
Tim Na | b8c775a | 2020-01-10 10:33:05 -0800 | [diff] [blame] | 75 | std::vector<AudioSender*> audio_senders_ RTC_GUARDED_BY(capture_lock_); |
Fredrik Solenberg | 2a87797 | 2017-12-15 16:42:15 +0100 | [diff] [blame] | 76 | int send_sample_rate_hz_ RTC_GUARDED_BY(capture_lock_) = 8000; |
| 77 | size_t send_num_channels_ RTC_GUARDED_BY(capture_lock_) = 1; |
| 78 | bool typing_noise_detected_ RTC_GUARDED_BY(capture_lock_) = false; |
| 79 | bool swap_stereo_channels_ RTC_GUARDED_BY(capture_lock_) = false; |
Fredrik Solenberg | 2a87797 | 2017-12-15 16:42:15 +0100 | [diff] [blame] | 80 | PushResampler<int16_t> capture_resampler_; |
Fredrik Solenberg | 2a87797 | 2017-12-15 16:42:15 +0100 | [diff] [blame] | 81 | TypingDetection typing_detection_; |
| 82 | |
| 83 | // Render side. |
| 84 | rtc::scoped_refptr<AudioMixer> mixer_; |
| 85 | AudioFrame mixed_frame_; |
| 86 | // Converts mixed audio to the audio device output rate. |
| 87 | PushResampler<int16_t> render_resampler_; |
| 88 | |
| 89 | RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(AudioTransportImpl); |
| 90 | }; |
| 91 | } // namespace webrtc |
| 92 | |
| 93 | #endif // AUDIO_AUDIO_TRANSPORT_IMPL_H_ |