[pulseview.git] / pv / data / decoder.h

/*
 * This file is part of the PulseView project.
 *
 * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
 *
 * This program 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 program 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 program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 */

#ifndef PULSEVIEW_PV_DATA_DECODER_H
#define PULSEVIEW_PV_DATA_DECODER_H

#include "signaldata.h"

#include <map>

#include <boost/shared_ptr.hpp>
#include <boost/thread.hpp>

#include <QObject>

struct srd_decoder;
struct srd_decoder_inst;
struct srd_probe;

namespace pv {

namespace view {
class Signal;

namespace decode {
class Annotation;
}

}

namespace data {

class Logic;

class Decoder : public QObject, public SignalData
{
	Q_OBJECT

private:
	static const double DecodeMargin;
	static const double DecodeThreshold;
	static const int64_t DecodeChunkLength;

public:
	Decoder(const srd_decoder *const decoder,
		std::map<const srd_probe*,
			boost::shared_ptr<pv::view::Signal> > probes,
		GHashTable *options);

	virtual ~Decoder();

	const srd_decoder* get_decoder() const;

	const std::vector< boost::shared_ptr<pv::view::decode::Annotation> >
		annotations() const;

	void clear_snapshots();

private:
	void begin_decode();

	void init_decoder();

	void decode_proc(boost::shared_ptr<data::Logic> data);

	static void annotation_callback(srd_proto_data *pdata,
		void *decoder);

signals:
	void new_decode_data();

private:
	const srd_decoder *const _decoder;
	std::map<const srd_probe*, boost::shared_ptr<view::Signal> >
		_probes;
	GHashTable *_options;

	srd_decoder_inst *_decoder_inst;

	mutable boost::mutex _annotations_mutex;
	std::vector< boost::shared_ptr<pv::view::decode::Annotation> >
		_annotations;

	boost::thread _decode_thread;
};

} // namespace data
} // namespace pv

#endif // PULSEVIEW_PV_DATA_DECODER_H
Commit	Line	Data
	1	/*
	2	* This file is part of the PulseView project.
	3	*
	4	* Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program; if not, write to the Free Software
	18	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
	19	*/
	20
	21	#ifndef PULSEVIEW_PV_DATA_DECODER_H
	22	#define PULSEVIEW_PV_DATA_DECODER_H
	23
	24	#include "signaldata.h"
	25
	26	#include <map>
	27
	28	#include <boost/shared_ptr.hpp>
	29	#include <boost/thread.hpp>
	30
	31	#include <QObject>
	32
	33	struct srd_decoder;
	34	struct srd_decoder_inst;
	35	struct srd_probe;
	36
	37	namespace pv {
	38
	39	namespace view {
	40	class Signal;
	41
	42	namespace decode {
	43	class Annotation;
	44	}
	45
	46	}
	47
	48	namespace data {
	49
	50	class Logic;
	51
	52	class Decoder : public QObject, public SignalData
	53	{
	54	Q_OBJECT
	55
	56	private:
	57	static const double DecodeMargin;
	58	static const double DecodeThreshold;
	59	static const int64_t DecodeChunkLength;
	60
	61	public:
	62	Decoder(const srd_decoder *const decoder,
	63	std::map<const srd_probe*,
	64	boost::shared_ptr<pv::view::Signal> > probes,
	65	GHashTable *options);
	66
	67	virtual ~Decoder();
	68
	69	const srd_decoder* get_decoder() const;
	70
	71	const std::vector< boost::shared_ptr<pv::view::decode::Annotation> >
	72	annotations() const;
	73
	74	void clear_snapshots();
	75
	76	private:
	77	void begin_decode();
	78
	79	void init_decoder();
	80
	81	void decode_proc(boost::shared_ptr<data::Logic> data);
	82
	83	static void annotation_callback(srd_proto_data *pdata,
	84	void *decoder);
	85
	86	signals:
	87	void new_decode_data();
	88
	89	private:
	90	const srd_decoder *const _decoder;
	91	std::map<const srd_probe*, boost::shared_ptr<view::Signal> >
	92	_probes;
	93	GHashTable *_options;
	94
	95	srd_decoder_inst *_decoder_inst;
	96
	97	mutable boost::mutex _annotations_mutex;
	98	std::vector< boost::shared_ptr<pv::view::decode::Annotation> >
	99	_annotations;
	100
	101	boost::thread _decode_thread;
	102	};
	103
	104	} // namespace data
	105	} // namespace pv
	106
	107	#endif // PULSEVIEW_PV_DATA_DECODER_H