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72 lines
1.4 KiB
C++
72 lines
1.4 KiB
C++
#include "autocast.hh"
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#include "portaudio.hh"
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#include "wavfile.hh"
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#include "afsk.hh"
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#include "utils.hh"
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#include "pocsag.hh"
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#include <iostream>
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#include <cmath>
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#include <csignal>
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using namespace sdr;
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static void __sigint_handler(int signo) {
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// On SIGINT -> stop queue properly
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Queue::get().stop();
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}
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int main(int argc, char *argv[])
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{
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if (2 != argc) {
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std::cerr << "Usage: sdr_posag FILENAME" << std::endl;
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return -1;
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}
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sdr::Logger::get().addHandler(
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new sdr::StreamLogHandler(std::cerr, sdr::LOG_DEBUG));
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// Register handler:
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signal(SIGINT, __sigint_handler);
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PortAudio::init();
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Queue &queue = Queue::get();
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WavSource src(argv[1]);
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PortSink sink;
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AutoCast<int16_t> cast;
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ASKDetector<int16_t> detector;
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BitStream bits(1200, BitStream::NORMAL);
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POCSAG pocsag;
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//BitDump dump;
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// Playback
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//src.connect(&sink);
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// Cast to int16
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src.connect(&cast);
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// ASK detector
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cast.connect(&detector);
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detector.connect(&bits);
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// Baudot decoder
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// dump to std::cerr
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bits.connect(&pocsag);
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// on idle -> read next buffer from input file
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queue.addIdle(&src, &WavSource::next);
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// on end-of-file -> stop queue
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src.addEOS(&queue, &Queue::stop);
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// Start queue
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queue.start();
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// wait for queue to exit
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queue.wait();
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// terminate port audio system properly
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PortAudio::terminate();
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// quit.
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return 0;
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}
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