kopia lustrzana https://github.com/markondej/fm_transmitter
65 wiersze
2.3 KiB
C++
65 wiersze
2.3 KiB
C++
/*
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fm_transmitter - use Raspberry Pi as FM transmitter
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Copyright (c) 2015, Marcin Kondej
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All rights reserved.
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See https://github.com/markondej/fm_transmitter
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Redistribution and use in source and binary forms, with or without modification, are
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permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice, this list
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of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice, this
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list of conditions and the following disclaimer in the documentation and/or other
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materials provided with the distribution.
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3. Neither the name of the copyright holder nor the names of its contributors may be
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used to endorse or promote products derived from this software without specific
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prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
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WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef TRANSMITTER_H
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#define TRANSMITTER_H
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#include "wave_reader.h"
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#include "audio_format.h"
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#define BUFFER_TIME 100000
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using std::string;
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class Transmitter : public ErrorReporter
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{
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public:
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Transmitter(string filename, double frequency);
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virtual ~Transmitter();
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AudioFormat *getFormat();
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void play();
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private:
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AudioFormat format;
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WaveReader *waveReader;
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unsigned int clockDivisor;
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volatile unsigned *peripherals;
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static vector<float> *buffer;
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static bool isTransmitting;
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static unsigned int frameOffset;
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static void transmit(void *params);
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};
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#endif // TRANSMITTER_H
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