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Diffstat (limited to 'intern/audaspace/jack/AUD_JackDevice.h')
-rw-r--r-- | intern/audaspace/jack/AUD_JackDevice.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/intern/audaspace/jack/AUD_JackDevice.h b/intern/audaspace/jack/AUD_JackDevice.h new file mode 100644 index 00000000000..7b340992d52 --- /dev/null +++ b/intern/audaspace/jack/AUD_JackDevice.h @@ -0,0 +1,91 @@ +/* + * $Id: AUD_SDLDevice.h 22328 2009-08-09 23:23:19Z gsrb3d $ + * + * ***** 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 |