drivers/audio/AudioOutputDeviceArts.h

/***************************************************************************
 *                                                                         *
 *   Copyright (C) 2006 Christian Schoenebeck                              *
 *                                                                         *
 *   This library is free 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 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This library 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 this library; if not, write to the Free Software           *
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston,                 *
 *   MA  02111-1307  USA                                                   *
 ***************************************************************************/

#ifndef __LS_AUDIOOUTPUTDEVICEARTS_H__
#define __LS_AUDIOOUTPUTDEVICEARTS_H__

#include <artsc.h>

#include "../../common/global.h"
#include "../../common/Thread.h"
#include "AudioOutputDevice.h"
#include "AudioChannel.h"
#include "../DeviceParameter.h"

namespace LinuxSampler {

    /** aRts audio output driver
     *
     * Implements audio output to the Analog Realtime Synthesizer (aRts).
     */
    class AudioOutputDeviceArts : public AudioOutputDevice, protected Thread {
        public:
            AudioOutputDeviceArts(std::map<String,DeviceCreationParameter*> Parameters);
           ~AudioOutputDeviceArts();

            /** Audio Device Parameter 'NAME'
             *
             * Used to assign an arbitrary name to the aRts client of this
             * audio device.
             */
            class ParameterName : public DeviceCreationParameterString {
                public:
                    ParameterName();
                    ParameterName(String s) throw (LinuxSamplerException);
                    virtual String              Description();
                    virtual bool                Fix();
                    virtual bool                Mandatory();
                    virtual std::map<String,DeviceCreationParameter*> DependsAsParameters();
                    virtual std::vector<String> PossibilitiesAsString(std::map<String,String> Parameters);
                    virtual optional<String>    DefaultAsString(std::map<String,String> Parameters);
                    virtual void                OnSetValue(String s) throw (LinuxSamplerException);
                    static String Name();
            };

            // derived abstract methods from class 'AudioOutputDevice'
            virtual void Play();
            virtual bool IsPlaying();
            virtual void Stop();
            virtual uint MaxSamplesPerCycle();
            virtual uint SampleRate();
            virtual AudioChannel* CreateChannel(uint ChannelNr);

            virtual String Driver();
            static String Name();
            static String Description();
            static String Version();

        protected:
            int Main();  ///< Implementation of virtual method from class Thread

        private:
            unsigned int   uiArtsChannels;
            unsigned int   uiSampleRate;
            unsigned int   FragmentSize;
            unsigned int   uiPacketSize;
            arts_stream_t  hStream;
            int16_t*       pArtsOutputBuffer;
    };
};

#endif // __LS_AUDIOOUTPUTDEVICEARTS_H__
1	/***************************************************************************
2	* *
3	* Copyright (C) 2006 Christian Schoenebeck *
4	* *
5	* This library is free software; you can redistribute it and/or modify *
6	* it under the terms of the GNU General Public License as published by *
7	* the Free Software Foundation; either version 2 of the License, or *
8	* (at your option) any later version. *
9	* *
10	* This library is distributed in the hope that it will be useful, *
11	* but WITHOUT ANY WARRANTY; without even the implied warranty of *
12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13	* GNU General Public License for more details. *
14	* *
15	* You should have received a copy of the GNU General Public License *
16	* along with this library; if not, write to the Free Software *
17	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, *
18	* MA 02111-1307 USA *
19	***************************************************************************/
20
21	#ifndef __LS_AUDIOOUTPUTDEVICEARTS_H__
22	#define __LS_AUDIOOUTPUTDEVICEARTS_H__
23
24	#include <artsc.h>
25
26	#include "../../common/global.h"
27	#include "../../common/Thread.h"
28	#include "AudioOutputDevice.h"
29	#include "AudioChannel.h"
30	#include "../DeviceParameter.h"
31
32	namespace LinuxSampler {
33
34	/** aRts audio output driver
35	*
36	* Implements audio output to the Analog Realtime Synthesizer (aRts).
37	*/
38	class AudioOutputDeviceArts : public AudioOutputDevice, protected Thread {
39	public:
40	AudioOutputDeviceArts(std::map<String,DeviceCreationParameter*> Parameters);
41	~AudioOutputDeviceArts();
42
43	/** Audio Device Parameter 'NAME'
44	*
45	* Used to assign an arbitrary name to the aRts client of this
46	* audio device.
47	*/
48	class ParameterName : public DeviceCreationParameterString {
49	public:
50	ParameterName();
51	ParameterName(String s) throw (LinuxSamplerException);
52	virtual String Description();
53	virtual bool Fix();
54	virtual bool Mandatory();
55	virtual std::map<String,DeviceCreationParameter*> DependsAsParameters();
56	virtual std::vector<String> PossibilitiesAsString(std::map<String,String> Parameters);
57	virtual optional<String> DefaultAsString(std::map<String,String> Parameters);
58	virtual void OnSetValue(String s) throw (LinuxSamplerException);
59	static String Name();
60	};
61
62	// derived abstract methods from class 'AudioOutputDevice'
63	virtual void Play();
64	virtual bool IsPlaying();
65	virtual void Stop();
66	virtual uint MaxSamplesPerCycle();
67	virtual uint SampleRate();
68	virtual AudioChannel* CreateChannel(uint ChannelNr);
69
70	virtual String Driver();
71	static String Name();
72	static String Description();
73	static String Version();
74
75	protected:
76	int Main(); ///< Implementation of virtual method from class Thread
77
78	private:
79	unsigned int uiArtsChannels;
80	unsigned int uiSampleRate;
81	unsigned int FragmentSize;
82	unsigned int uiPacketSize;
83	arts_stream_t hStream;
84	int16_t* pArtsOutputBuffer;
85	};
86	};
87
88	#endif // __LS_AUDIOOUTPUTDEVICEARTS_H__