qTox/src/audio/backend/alsource.cpp

61 lines
1.6 KiB
C++

/*
Copyright © 2019 by The qTox Project Contributors
This file is part of qTox, a Qt-based graphical interface for Tox.
qTox is libre software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
qTox is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with qTox. If not, see <http://www.gnu.org/licenses/>.
*/
#include "src/audio/backend/alsource.h"
#include "src/audio/backend/openal.h"
/**
* @brief Emits audio frames captured by an input device or other audio source.
*/
/**
* @brief Reserves ressources for an audio source
* @param audio Main audio object, must have longer lifetime than this object.
*/
AlSource::AlSource(OpenAL& al)
: audio(al)
, killLock(QMutex::Recursive)
{}
AlSource::~AlSource()
{
QMutexLocker{&killLock};
// unsubscribe only if not already killed
if (!killed) {
audio.destroySource(*this);
killed = true;
}
}
AlSource::operator bool() const
{
QMutexLocker{&killLock};
return !killed;
}
void AlSource::kill()
{
killLock.lock();
// this flag is only set once here, afterwards the object is considered dead
killed = true;
killLock.unlock();
emit invalidated();
}