/*
- Copyright (C) 2006 Paul Davis
+ 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
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id$
*/
-#ifndef __sndfile_source_h__
+#ifndef __sndfile_source_h__
#define __sndfile_source_h__
#include <sndfile.h>
-#include <ardour/audiofilesource.h>
+#include "ardour/audiofilesource.h"
+#include "ardour/broadcast_info.h"
+#include "pbd/sndfile_manager.h"
namespace ARDOUR {
class SndFileSource : public AudioFileSource {
public:
- /* constructor to be called for existing external-to-session files */
+ /** Constructor to be called for existing external-to-session files */
+ SndFileSource (Session&, const std::string& path, int chn, Flag flags);
- SndFileSource (std::string path, Flag flags);
+ /* Constructor to be called for new in-session files */
+ SndFileSource (Session&, const std::string& path, const std::string& origin,
+ SampleFormat samp_format, HeaderFormat hdr_format, framecnt_t rate,
+ Flag flags = SndFileSource::default_writable_flags);
- /* constructor to be called for new in-session files */
-
- SndFileSource (std::string path, SampleFormat samp_format, HeaderFormat hdr_format, jack_nframes_t rate,
- Flag flags = AudioFileSource::Flag (AudioFileSource::Writable|
- AudioFileSource::Removable|
- AudioFileSource::RemovableIfEmpty|
- AudioFileSource::CanRename));
-
- /* constructor to be called for existing in-session files */
-
- SndFileSource (const XMLNode&);
+ /** Constructor to be called for existing in-session files */
+ SndFileSource (Session&, const XMLNode&);
~SndFileSource ();
float sample_rate () const;
- int update_header (jack_nframes_t when, struct tm&, time_t);
+ int update_header (framepos_t when, struct tm&, time_t);
int flush_header ();
- jack_nframes_t natural_position () const;
+ framepos_t natural_position () const;
+
+ framepos_t last_capture_start_frame() const;
+ void mark_capture_start (framepos_t);
+ void mark_capture_end ();
+ void clear_capture_marks();
+
+ bool set_destructive (bool yn);
+
+ bool one_of_several_channels () const;
+
+ bool clamped_at_unity () const;
+
+ static void setup_standard_crossfades (Session const &, framecnt_t sample_rate);
+ static const Source::Flag default_writable_flags;
+
+ static int get_soundfile_info (const std::string& path, SoundFileInfo& _info, std::string& error_msg);
protected:
+ void set_path (const std::string& p);
void set_header_timeline_position ();
- jack_nframes_t read_unlocked (Sample *dst, jack_nframes_t start, jack_nframes_t cnt) const;
- jack_nframes_t write_unlocked (Sample *dst, jack_nframes_t cnt);
-
- jack_nframes_t write_float (Sample* data, jack_nframes_t pos, jack_nframes_t cnt);
+ framecnt_t read_unlocked (Sample *dst, framepos_t start, framecnt_t cnt) const;
+ framecnt_t write_unlocked (Sample *dst, framecnt_t cnt);
+ framecnt_t write_float (Sample* data, framepos_t pos, framecnt_t cnt);
private:
- SNDFILE *sf;
+ PBD::SndFileDescriptor* _descriptor;
SF_INFO _info;
- SF_BROADCAST_INFO *_broadcast_info;
-
- mutable float *interleave_buf;
- mutable jack_nframes_t interleave_bufsize;
+ BroadcastInfo *_broadcast_info;
- void init (const string &str);
+ void init_sndfile ();
int open();
- void close();
- int setup_broadcast_info (jack_nframes_t when, struct tm&, time_t);
+ int setup_broadcast_info (framepos_t when, struct tm&, time_t);
+ void file_closed ();
+
+ /* destructive */
+
+ static framecnt_t xfade_frames;
+ static gain_t* out_coefficient;
+ static gain_t* in_coefficient;
+
+ bool _capture_start;
+ bool _capture_end;
+ framepos_t capture_start_frame;
+ framepos_t file_pos; // unit is frames
+ framecnt_t xfade_out_count;
+ framecnt_t xfade_in_count;
+ Sample* xfade_buf;
+
+ framecnt_t crossfade (Sample* data, framecnt_t cnt, int dir);
+ void set_timeline_position (framepos_t);
+ framecnt_t destructive_write_unlocked (Sample *dst, framecnt_t cnt);
+ framecnt_t nondestructive_write_unlocked (Sample *dst, framecnt_t cnt);
+ void handle_header_position_change ();
+ PBD::ScopedConnection header_position_connection;
+ PBD::ScopedConnection file_manager_connection;
};
} // namespace ARDOUR