mumble-voip_mumble/src/mumble/Audio.h

75 lines
2.0 KiB
C++

// Copyright 2007-2023 The Mumble Developers. All rights reserved.
// Use of this source code is governed by a BSD-style license
// that can be found in the LICENSE file at the root of the
// Mumble source tree or at <https://www.mumble.info/LICENSE>.
#ifndef MUMBLE_MUMBLE_AUDIO_H_
#define MUMBLE_MUMBLE_AUDIO_H_
#include <QtCore/QByteArray>
#include <QtCore/QElapsedTimer>
#include <QtCore/QMultiMap>
#include <QtCore/QMutex>
#include <QtCore/QString>
#include <QtCore/QVariant>
#include "ClientUser.h"
#include "MumbleProtocol.h"
#include <unordered_map>
#include <vector>
#define SAMPLE_RATE 48000
// interaural delay (in samples) for a sound coming directly from the side of the head
// A Wikipedia article claims the average distance between ears is 15.2 cm for men
// (0.44 ms) and 14.4 cm for women (0.42 ms). We decided to set the delay to 0.43 ms.
// The delay is calculated from the distance and the speed of sound.
constexpr unsigned int INTERAURAL_DELAY =
static_cast< unsigned int >(0.00043f / (1 / static_cast< float >(SAMPLE_RATE)));
typedef QPair< QString, QVariant > audioDevice;
class LoopUser : public ClientUser {
private:
Q_DISABLE_COPY(LoopUser)
protected:
struct AudioPacket {
std::vector< Mumble::Protocol::byte > payload;
Mumble::Protocol::AudioData audioData;
};
QMutex qmLock;
QElapsedTimer qetTicker;
QElapsedTimer qetLastFetch;
std::unordered_map< float, AudioPacket > m_packets;
LoopUser();
public:
static LoopUser lpLoopy;
void addFrame(const Mumble::Protocol::AudioData &audioData);
void fetchFrames();
};
class RecordUser : public ClientUser {
private:
Q_OBJECT
Q_DISABLE_COPY(RecordUser)
public:
RecordUser();
~RecordUser() Q_DECL_OVERRIDE;
void addFrame(const Mumble::Protocol::AudioData &audioData);
};
namespace Audio {
void startInput(const QString &input = QString());
void stopInput();
void startOutput(const QString &output = QString());
void stopOutput();
void start(const QString &input = QString(), const QString &output = QString());
void stop();
} // namespace Audio
#endif