[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;
struct srd_session;

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_session *_session;
	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	struct srd_session;
	37
	38	namespace pv {
	39
	40	namespace view {
	41	class Signal;
	42
	43	namespace decode {
	44	class Annotation;
	45	}
	46
	47	}
	48
	49	namespace data {
	50
	51	class Logic;
	52
	53	class Decoder : public QObject, public SignalData
	54	{
	55	Q_OBJECT
	56
	57	private:
	58	static const double DecodeMargin;
	59	static const double DecodeThreshold;
	60	static const int64_t DecodeChunkLength;
	61
	62	public:
	63	Decoder(const srd_decoder *const decoder,
	64	std::map<const srd_probe*,
	65	boost::shared_ptr<pv::view::Signal> > probes,
	66	GHashTable *options);
	67
	68	virtual ~Decoder();
	69
	70	const srd_decoder* get_decoder() const;
	71
	72	const std::vector< boost::shared_ptr<pv::view::decode::Annotation> >
	73	annotations() const;
	74
	75	void clear_snapshots();
	76
	77	private:
	78	void begin_decode();
	79
	80	void init_decoder();
	81
	82	void decode_proc(boost::shared_ptr<data::Logic> data);
	83
	84	static void annotation_callback(srd_proto_data *pdata,
	85	void *decoder);
	86
	87	signals:
	88	void new_decode_data();
	89
	90	private:
	91	const srd_decoder *const _decoder;
	92	std::map<const srd_probe*, boost::shared_ptr<view::Signal> >
	93	_probes;
	94	GHashTable *_options;
	95
	96	srd_session *_session;
	97	srd_decoder_inst *_decoder_inst;
	98
	99	mutable boost::mutex _annotations_mutex;
	100	std::vector< boost::shared_ptr<pv::view::decode::Annotation> >
	101	_annotations;
	102
	103	boost::thread _decode_thread;
	104	};
	105
	106	} // namespace data
	107	} // namespace pv
	108
	109	#endif // PULSEVIEW_PV_DATA_DECODER_H