#pragma once #include "callback.h" using AudioFrameReadyCallback = Callback; /// Audio frame observer to get notified of newly available audio frames. class AudioFrameObserver : public webrtc::AudioTrackSinkInterface { public: void SetCallback(AudioFrameReadyCallback callback) ; protected: // AudioTrackSinkInterface interface void OnData(const void* audio_data, int bits_per_sample, int sample_rate, size_t number_of_channels, size_t number_of_frames) override; private: AudioFrameReadyCallback callback_; std::mutex mutex_; };