soundseq.h

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/*
 * 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__ */