+++ /dev/null
-/*
- * 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_ANALOGSNAPSHOT_H
-#define PULSEVIEW_PV_DATA_ANALOGSNAPSHOT_H
-
-#include "snapshot.h"
-
-#include <utility>
-#include <vector>
-
-namespace AnalogSnapshotTest {
-struct Basic;
-}
-
-namespace pv {
-namespace data {
-
-class AnalogSnapshot : public Snapshot
-{
-public:
- struct EnvelopeSample
- {
- float min;
- float max;
- };
-
- struct EnvelopeSection
- {
- uint64_t start;
- unsigned int scale;
- uint64_t length;
- EnvelopeSample *samples;
- };
-
-private:
- struct Envelope
- {
- uint64_t length;
- uint64_t data_length;
- EnvelopeSample *samples;
- };
-
-private:
- static const unsigned int ScaleStepCount = 10;
- static const int EnvelopeScalePower;
- static const int EnvelopeScaleFactor;
- static const float LogEnvelopeScaleFactor;
- static const uint64_t EnvelopeDataUnit;
-
-public:
- AnalogSnapshot(uint64_t expected_num_samples = 0);
-
- virtual ~AnalogSnapshot();
-
- void append_interleaved_samples(const float *data,
- size_t sample_count, size_t stride);
-
- const float* get_samples(int64_t start_sample,
- int64_t end_sample) const;
-
- void get_envelope_section(EnvelopeSection &s,
- uint64_t start, uint64_t end, float min_length) const;
-
-private:
- void reallocate_envelope(Envelope &l);
-
- void append_payload_to_envelope_levels();
-
-private:
- struct Envelope envelope_levels_[ScaleStepCount];
-
- friend struct AnalogSnapshotTest::Basic;
-};
-
-} // namespace data
-} // namespace pv
-
-#endif // PULSEVIEW_PV_DATA_ANALOGSNAPSHOT_H