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/*
Copyright (C) 2006 Paul Davis
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __external_source_h__
#define __external_source_h__
#include <ardour/source.h>
namespace ARDOUR {
struct SoundFileInfo {
float samplerate;
uint16_t channels;
int64_t length;
std::string format_name;
};
class ExternalSource : public Source {
public:
virtual ~ExternalSource ();
string path() const { return _path; }
virtual jack_nframes_t read (Sample *dst, jack_nframes_t start, jack_nframes_t cnt, char * workbuf) const = 0;
void mark_for_remove() {} // we never remove external sndfiles
string peak_path(string audio_path);
string old_peak_path(string audio_path);
static void set_peak_dir (string dir) { peak_dir = dir; }
static ExternalSource* create (const string& path_plus_channel, bool build_peak = true);
static ExternalSource* create (const XMLNode& node);
static bool get_soundfile_info (string path, SoundFileInfo& _info, string& error);
protected:
ExternalSource (const string& path_plus_channel, bool build_peak = true);
ExternalSource (const XMLNode&);
static string peak_dir;
uint16_t channel;
string _path;
jack_nframes_t read_unlocked (Sample *dst, jack_nframes_t start, jack_nframes_t cnt, char * workbuf) const;
};
}; /* namespace ARDOUR */
#endif /* __external_source_h__ */
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