2017-02-01 19:54:22 +01:00
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#
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/*
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* Copyright (C) 2009, 2010, 2011
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* Jan van Katwijk (J.vanKatwijk@gmail.com)
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2017-08-02 13:13:21 +02:00
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* Lazy Chair Computing
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2017-02-01 19:54:22 +01:00
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*
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2017-04-02 15:27:15 +02:00
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* This file is part of the main program for the DAB library
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2017-02-01 19:54:22 +01:00
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*
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2017-04-02 15:27:15 +02:00
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* DAB library is free software; you can redistribute it and/or modify
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2017-02-01 19:54:22 +01:00
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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2017-04-02 15:27:15 +02:00
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* DAB library is distributed in the hope that it will be useful,
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2017-02-01 19:54:22 +01:00
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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2017-04-02 15:27:15 +02:00
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* along with DAB library; if not, write to the Free Software
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2017-02-01 19:54:22 +01:00
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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2017-04-02 15:27:15 +02:00
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#ifndef __AUDIO_SINK__
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#define __AUDIO_SINK__
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2017-02-01 19:54:22 +01:00
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#include <portaudio.h>
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#include <stdio.h>
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#include "audio-base.h"
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#include "ringbuffer.h"
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2017-02-01 21:15:56 +01:00
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#include <string>
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2017-02-01 19:54:22 +01:00
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class audioSink : public audioBase {
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public:
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2017-02-01 21:15:56 +01:00
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audioSink (int16_t, std::string, bool *);
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2017-02-01 19:54:22 +01:00
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~audioSink (void);
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void stop (void);
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void restart (void);
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2017-02-01 21:15:56 +01:00
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bool selectDevice (const std::string);
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2017-02-01 19:54:22 +01:00
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bool selectDefaultDevice (void);
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private:
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int16_t numberofDevices (void);
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const char *outputChannelwithRate (int16_t, int32_t);
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int16_t invalidDevice (void);
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bool isValidDevice (int16_t);
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int32_t cardRate (void);
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bool OutputrateIsSupported (int16_t, int32_t);
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void audioOutput (float *, int32_t);
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int32_t CardRate;
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int16_t latency;
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int32_t size;
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bool portAudio;
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bool writerRunning;
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int16_t numofDevices;
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int paCallbackReturn;
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int16_t bufSize;
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PaStream *ostream;
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RingBuffer<float> *_O_Buffer;
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PaStreamParameters outputParameters;
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int16_t *outTable;
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protected:
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static int paCallback_o (const void *input,
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void *output,
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unsigned long framesperBuffer,
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const PaStreamCallbackTimeInfo *timeInfo,
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PaStreamCallbackFlags statusFlags,
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void *userData);
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};
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#endif
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