1 /* 2 * Copyright (C) 2007-2017 Paul Davis <paul@linuxaudiosystems.com> 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License as published by 6 * the Free Software Foundation; either version 2 of the License, or 7 * (at your option) any later version. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License along 15 * with this program; if not, write to the Free Software Foundation, Inc., 16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 17 */ 18 19 #ifndef __soundseq_h__ 20 #define __soundseq_h__ 21 22 #include "edl.h" 23 24 namespace ARDOUR { 25 26 typedef gint16 peak_datum; 27 28 struct LIBARDOUR_API peak_data_t { 29 peak_datum min; 30 peak_datum max; 31 }; 32 33 const uint32_t samples_per_peak = 2048; 34 35 class LIBARDOUR_API Sound : public EDL::Piece { 36 public: 37 int peak (peak_data_t& pk, uint32_t start, uint32_t cnt); 38 int read_peaks (peak_data_t *, uint32_t npeaks, uint32_t start, uint32_t cnt); 39 int build_peak (uint32_t first_sample, uint32_t cnt); 40 }; 41 42 class LIBARDOUR_API SoundPlaylist : public EDL::Playlist { 43 public: 44 int read_peaks (peak_data_t *, uint32_t npeaks, uint32_t start, uint32_t cnt); 45 }; 46 47 } /* namespace ARDOUR */ 48 49 #endif /* __soundseq_h__ */ 50 51 52 53