/*
- Copyright (C) 2012-2013 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2012-2014 Carl Hetherington <cth@carlh.net>
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
*/
+/** @file src/lib/audio_buffers.h
+ * @brief AudioBuffers class.
+ */
+
+#ifndef DCPOMATIC_AUDIO_BUFFERS_H
+#define DCPOMATIC_AUDIO_BUFFERS_H
+
#include <boost/shared_ptr.hpp>
/** @class AudioBuffers
AudioBuffers & operator= (AudioBuffers const &);
+ boost::shared_ptr<AudioBuffers> clone () const;
+ boost::shared_ptr<AudioBuffers> channel (int) const;
+
void ensure_size (int);
float** data () const {
return _data;
}
-
+
float* data (int) const;
int channels () const {
void make_silent (int c);
void make_silent (int from, int frames);
+ void apply_gain (float);
+
void copy_from (AudioBuffers const * from, int frames_to_copy, int read_offset, int write_offset);
+ void copy_channel_from (AudioBuffers const * from, int from_channel, int to_channel);
void move (int from, int to, int frames);
- void accumulate_channel (AudioBuffers const *, int, int);
+ void accumulate_channel (AudioBuffers const * from, int from_channel, int to_channel, float gain = 1);
void accumulate_frames (AudioBuffers const *, int read_offset, int write_offset, int frames);
private:
void allocate (int, int);
void deallocate ();
-
+
/** Number of channels */
int _channels;
/** Number of frames (where a frame is one sample across all channels) */
/** Audio data (so that, e.g. _data[2][6] is channel 2, sample 6) */
float** _data;
};
+
+#endif