forked from bartvdbraak/blender
93 lines
2.1 KiB
C++
93 lines
2.1 KiB
C++
/*
|
|
* $Id$
|
|
*
|
|
* ***** BEGIN LGPL LICENSE BLOCK *****
|
|
*
|
|
* Copyright 2009 Jörg Hermann Müller
|
|
*
|
|
* This file is part of AudaSpace.
|
|
*
|
|
* AudaSpace is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Lesser General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* AudaSpace 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 Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License
|
|
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
* ***** END LGPL LICENSE BLOCK *****
|
|
*/
|
|
|
|
#ifndef AUD_JACKDEVICE
|
|
#define AUD_JACKDEVICE
|
|
|
|
|
|
#include "AUD_SoftwareDevice.h"
|
|
class AUD_Buffer;
|
|
|
|
#include <jack.h>
|
|
|
|
/**
|
|
* This device plays back through Jack.
|
|
*/
|
|
class AUD_JackDevice : public AUD_SoftwareDevice
|
|
{
|
|
private:
|
|
/**
|
|
* The output ports of jack.
|
|
*/
|
|
jack_port_t** m_ports;
|
|
|
|
/**
|
|
* The jack client.
|
|
*/
|
|
jack_client_t* m_client;
|
|
|
|
/**
|
|
* The output buffer.
|
|
*/
|
|
AUD_Buffer* m_buffer;
|
|
|
|
/**
|
|
* Whether the device is valid.
|
|
*/
|
|
bool m_valid;
|
|
|
|
/**
|
|
* Invalidates the jack device.
|
|
* \param data The jack device that gets invalidet by jack.
|
|
*/
|
|
static void jack_shutdown(void *data);
|
|
|
|
/**
|
|
* Mixes the next bytes into the buffer.
|
|
* \param length The length in samples to be filled.
|
|
* \param data A pointer to the jack device.
|
|
* \return 0 what shows success.
|
|
*/
|
|
static int jack_mix(jack_nframes_t length, void *data);
|
|
|
|
protected:
|
|
virtual void playing(bool playing);
|
|
|
|
public:
|
|
/**
|
|
* Creates a Jack client for audio output.
|
|
* \param specs The wanted audio specification, where only the channel count is important.
|
|
* \exception AUD_Exception Thrown if the audio device cannot be opened.
|
|
*/
|
|
AUD_JackDevice(AUD_Specs specs);
|
|
|
|
/**
|
|
* Closes the Jack client.
|
|
*/
|
|
virtual ~AUD_JackDevice();
|
|
};
|
|
|
|
#endif //AUD_JACKDEVICE
|