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-/*
- Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 Her Majesty the
- Queen in Right of Canada (Communications Research Center Canada)
-
- Copyright (C) 2017
- Matthias P. Braendli, matthias.braendli@mpb.li
-
- http://opendigitalradio.org
-
-DESCRIPTION:
- It is an output driver using the SoapySDR library that can output to
- many devices.
-*/
-
-/*
- This file is part of ODR-DabMod.
-
- ODR-DabMod 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 3 of the
- License, or (at your option) any later version.
-
- ODR-DabMod 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 ODR-DabMod. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#pragma once
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#ifdef HAVE_SOAPYSDR
-#include <SoapySDR/Version.hpp>
-#include <SoapySDR/Modules.hpp>
-#include <SoapySDR/Registry.hpp>
-#include <SoapySDR/Device.hpp>
-
-#include <string>
-#include <memory>
-
-#include "ModPlugin.h"
-#include "EtiReader.h"
-#include "RemoteControl.h"
-#include "ThreadsafeQueue.h"
-
-typedef std::complex<float> complexf;
-
-/* This structure is used as initial configuration for the Soapy output.
- * It must also contain all remote-controllable settings, otherwise
- * they will get lost on a modulator restart. */
-struct OutputSoapyConfig {
- std::string device;
-
- long masterClockRate = 32768000;
- unsigned sampleRate = 2048000;
- double frequency = 0.0;
- double txgain = 0.0;
- unsigned dabMode = 0;
-};
-
-// Each frame contains one OFDM frame, and its
-// associated timestamp
-struct SoapyWorkerFrameData {
- // Buffer holding frame data
- std::vector<uint8_t> buf;
-
- // A full timestamp contains a TIST according to standard
- // and time information within MNSC with tx_second.
- struct frame_timestamp ts;
-};
-
-class SoapyWorker
-{
- public:
- ThreadsafeQueue<SoapyWorkerFrameData> queue;
- SoapySDR::Device *m_device;
- std::atomic<bool> running;
- size_t underflows;
- size_t overflows;
-
- SoapyWorker() {}
- SoapyWorker(const SoapyWorker&) = delete;
- SoapyWorker operator=(const SoapyWorker&) = delete;
- ~SoapyWorker() { stop(); }
-
- void start(SoapySDR::Device *device);
- void stop(void);
-
- private:
- std::thread m_thread;
-
- void process_start(void);
- void process(SoapySDR::Stream *stream);
-};
-
-class OutputSoapy: public ModOutput, public RemoteControllable
-{
- public:
- OutputSoapy(OutputSoapyConfig& config);
- OutputSoapy(const OutputSoapy& other) = delete;
- OutputSoapy& operator=(const OutputSoapy& other) = delete;
- ~OutputSoapy();
-
- int process(Buffer* dataIn);
-
- const char* name() { return "OutputSoapy"; }
-
- void setETISource(EtiSource *etiSource);
-
- /*********** REMOTE CONTROL ***************/
-
- /* Base function to set parameters. */
- virtual void set_parameter(const std::string& parameter,
- const std::string& value);
-
- /* Getting a parameter always returns a string. */
- virtual const std::string get_parameter(
- const std::string& parameter) const;
-
-
- protected:
- SoapyWorker m_worker;
- EtiSource *m_eti_source;
- OutputSoapyConfig& m_conf;
-
- SoapySDR::Device *m_device;
-
- bool first_run = true;
-};
-
-
-#endif //HAVE_SOAPYSDR