forked from Ivasoft/DSView
114 lines
2.6 KiB
C++
114 lines
2.6 KiB
C++
/*
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* This file is part of the DSView project.
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* DSView is based on PulseView.
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*
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* Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
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* Copyright (C) 2013 DreamSourceLab <support@dreamsourcelab.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef DSVIEW_PV_DATA_SNAPSHOT_H
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#define DSVIEW_PV_DATA_SNAPSHOT_H
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#include <mutex>
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#include <vector>
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namespace pv {
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namespace data {
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class Snapshot
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{
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public:
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Snapshot(int unit_size, uint64_t total_sample_count, unsigned int channel_num);
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virtual ~Snapshot();
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virtual void clear() = 0;
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virtual void init() = 0;
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uint64_t get_sample_count();
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uint64_t get_ring_start();
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uint64_t get_ring_end();
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inline const void* get_data(){
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return _data;
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}
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inline int unit_size(){
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return _unit_size;
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}
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inline uint8_t get_unit_bytes(){
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return _unit_bytes;
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}
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inline bool memory_failed(){
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return _memory_failed;
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}
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bool empty();
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inline bool last_ended(){
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return _last_ended;
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}
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inline void set_last_ended(bool ended){
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_last_ended = ended;
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}
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inline unsigned int get_channel_num(){
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return _channel_num;
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}
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virtual void capture_ended();
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virtual bool has_data(int index) = 0;
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virtual int get_block_num() = 0;
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virtual uint64_t get_block_size(int block_index) = 0;
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protected:
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virtual void free_data();
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inline uint64_t sample_count(){
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return _sample_count;
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}
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uint64_t ring_start();
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uint64_t ring_end();
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protected:
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mutable std::mutex _mutex;
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void* _data;
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mutable std::vector<uint16_t> _ch_index;
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uint64_t _capacity;
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unsigned int _channel_num;
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uint64_t _sample_count;
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uint64_t _total_sample_count;
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uint64_t _ring_sample_count;
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int _unit_size;
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uint8_t _unit_bytes;
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uint16_t _unit_pitch;
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bool _memory_failed;
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bool _last_ended;
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};
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} // namespace data
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} // namespace pv
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#endif // DSVIEW_PV_DATA_SNAPSHOT_H
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