ardour/libs/ardour/ardour/soundseq.h

53 lines
1.5 KiB
C++

/*
* Copyright (C) 2007-2017 Paul Davis <paul@linuxaudiosystems.com>
*
* 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 Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef __soundseq_h__
#define __soundseq_h__
#include "edl.h"
namespace ARDOUR {
typedef gint16 peak_datum;
struct LIBARDOUR_API peak_data_t {
peak_datum min;
peak_datum max;
};
const uint32_t samples_per_peak = 2048;
class LIBARDOUR_API Sound : public EDL::Piece {
public:
int peak (peak_data_t& pk, uint32_t start, uint32_t cnt);
int read_peaks (peak_data_t *, uint32_t npeaks, uint32_t start, uint32_t cnt);
int build_peak (uint32_t first_sample, uint32_t cnt);
};
class LIBARDOUR_API SoundPlaylist : public EDL::Playlist {
public:
int read_peaks (peak_data_t *, uint32_t npeaks, uint32_t start, uint32_t cnt);
};
} /* namespace ARDOUR */
#endif /* __soundseq_h__ */