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/***
Olive - Non-Linear Video Editor
Copyright (C) 2019 Olive Team
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 3 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, see <http://www.gnu.org/licenses/>.
***/
#ifndef WAVEINPUT_H
#define WAVEINPUT_H
#include <QFile>
#include "render/audioparams.h"
OLIVE_NAMESPACE_ENTER
class WaveInput
{
public:
WaveInput(const QString& f);
~WaveInput();
DISABLE_COPY_MOVE(WaveInput)
bool open();
bool is_open() const;
QByteArray read(int length);
QByteArray read(int offset, int length);
qint64 read(int offset, char *buffer, int length);
bool seek(qint64 pos);
bool at_end() const;
const AudioParams& params() const;
void close();
const quint32& data_length() const;
int sample_count() const;
private:
bool find_str(QFile* f, const char* str);
qint64 calculate_max_read() const;
AudioParams params_;
QFile file_;
qint64 data_position_;
quint32 data_size_;
};
OLIVE_NAMESPACE_EXIT
#endif // WAVEINPUT_H
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