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/*
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef AUDIO_AUDIO_TRANSPORT_PROXY_H_
#define AUDIO_AUDIO_TRANSPORT_PROXY_H_
#include "api/audio/audio_mixer.h"
#include "common_audio/resampler/include/push_resampler.h"
#include "modules/audio_device/include/audio_device_defines.h"
#include "modules/audio_processing/include/audio_processing.h"
#include "rtc_base/constructormagic.h"
#include "rtc_base/scoped_ref_ptr.h"
namespace webrtc {
class AudioTransportProxy : public AudioTransport {
public:
AudioTransportProxy(AudioTransport* voe_audio_transport,
AudioProcessing* audio_processing,
AudioMixer* mixer);
~AudioTransportProxy() override;
int32_t RecordedDataIsAvailable(const void* audioSamples,
const size_t nSamples,
const size_t nBytesPerSample,
const size_t nChannels,
const uint32_t samplesPerSec,
const uint32_t totalDelayMS,
const int32_t clockDrift,
const uint32_t currentMicLevel,
const bool keyPressed,
uint32_t& newMicLevel) override;
int32_t NeedMorePlayData(const size_t nSamples,
const size_t nBytesPerSample,
const size_t nChannels,
const uint32_t samplesPerSec,
void* audioSamples,
size_t& nSamplesOut,
int64_t* elapsed_time_ms,
int64_t* ntp_time_ms) override;
void PushCaptureData(int voe_channel,
const void* audio_data,
int bits_per_sample,
int sample_rate,
size_t number_of_channels,
size_t number_of_frames) override;
void PullRenderData(int bits_per_sample,
int sample_rate,
size_t number_of_channels,
size_t number_of_frames,
void* audio_data,
int64_t* elapsed_time_ms,
int64_t* ntp_time_ms) override;
private:
AudioTransport* voe_audio_transport_;
AudioProcessing* audio_processing_;
rtc::scoped_refptr<AudioMixer> mixer_;
AudioFrame mixed_frame_;
// Converts mixed audio to the audio device output rate.
PushResampler<int16_t> resampler_;
RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(AudioTransportProxy);
};
} // namespace webrtc
#endif // AUDIO_AUDIO_TRANSPORT_PROXY_H_