2 Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
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.
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.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #ifndef LIBDCP_SOUND_ASSET_H
21 #define LIBDCP_SOUND_ASSET_H
23 /** @file src/sound_asset.h
24 * @brief An asset made up of PCM audio data files
40 void write (float const * const *, int);
44 friend class SoundMXF;
46 SoundMXFWriter (SoundMXF *);
48 /* no copy construction */
49 SoundMXFWriter (SoundMXFWriter const &);
50 SoundMXFWriter& operator= (SoundMXFWriter const &);
52 void write_current_frame ();
54 /* do this with an opaque pointer so we don't have to include
59 boost::shared_ptr<ASDCPState> _state;
64 int _frame_buffer_offset;
67 /** @brief An asset made up of WAV files */
68 class SoundMXF : public MXF
71 SoundMXF (boost::filesystem::path file);
73 boost::shared_ptr<SoundMXFWriter> start_write ();
75 bool equals (boost::shared_ptr<const Content> other, EqualityOptions opt, boost::function<void (NoteType, std::string)> note) const;
77 boost::shared_ptr<const SoundFrame> get_frame (int n) const;
79 void set_channels (int c) {
83 int channels () const {
87 void set_sampling_rate (int s) {
91 int sampling_rate () const {
92 return _sampling_rate;
96 std::string key_type () const;
97 std::string cpl_node_name () const;
99 /** Number of channels in the asset */