/*
- 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
*/
-#ifndef __sndfile_source_h__
+#ifndef __sndfile_source_h__
#define __sndfile_source_h__
#include <sndfile.h>
#include "ardour/audiofilesource.h"
#include "ardour/broadcast_info.h"
+#include "ardour/progress.h"
namespace ARDOUR {
-class SndFileSource : public AudioFileSource {
+class LIBARDOUR_API SndFileSource : public AudioFileSource {
public:
/** Constructor to be called for existing external-to-session files */
- SndFileSource (Session&, const Glib::ustring& path, bool embedded, int chn, Flag flags);
+ SndFileSource (Session&, const std::string& path, int chn, Flag flags);
/* Constructor to be called for new in-session files */
- SndFileSource (Session&, const Glib::ustring& path, bool embedded,
- SampleFormat samp_format, HeaderFormat hdr_format, nframes_t rate,
- Flag flags = SndFileSource::default_writable_flags);
-
- /** Constructor to be called for existing in-session files */
+ SndFileSource (Session&, const std::string& path, const std::string& origin,
+ SampleFormat samp_format, HeaderFormat hdr_format, samplecnt_t rate,
+ Flag flags = SndFileSource::default_writable_flags);
+
+ /* Constructor to be called for recovering files being used for
+ * capture. They are in-session, they already exist, they should not
+ * be writable. They are an odd hybrid (from a constructor point of
+ * view) of the previous two constructors.
+ */
+ SndFileSource (Session&, const std::string& path, int chn);
+
+ /** Constructor to be called for existing in-session files during
+ * session loading
+ */
SndFileSource (Session&, const XMLNode&);
+ /** Constructor to losslessly compress existing source */
+ SndFileSource (Session& s, const AudioFileSource& other, const std::string& path, bool use16bits = false, Progress* p = NULL);
+
~SndFileSource ();
float sample_rate () const;
- int update_header (sframes_t when, struct tm&, time_t);
+ int update_header (samplepos_t when, struct tm&, time_t);
int flush_header ();
+ void flush ();
- sframes_t natural_position () const;
+ samplepos_t natural_position () const;
- sframes_t last_capture_start_frame() const;
- void mark_capture_start (sframes_t);
+ samplepos_t last_capture_start_sample() const;
+ void mark_capture_start (samplepos_t);
void mark_capture_end ();
void clear_capture_marks();
- bool set_destructive (bool yn);
-
bool one_of_several_channels () const;
+ uint32_t channel_count () const { return _info.channels; }
+
+ bool clamped_at_unity () const;
- static void setup_standard_crossfades (Session const &, nframes_t sample_rate);
+ static void setup_standard_crossfades (Session const &, samplecnt_t sample_rate);
static const Source::Flag default_writable_flags;
- static int get_soundfile_info (const Glib::ustring& path, SoundFileInfo& _info, std::string& error_msg);
+ static int get_soundfile_info (const std::string& path, SoundFileInfo& _info, std::string& error_msg);
protected:
- void set_header_timeline_position ();
+ void close ();
- nframes_t read_unlocked (Sample *dst, sframes_t start, nframes_t cnt) const;
- nframes_t write_unlocked (Sample *dst, nframes_t cnt);
+ void set_path (const std::string& p);
+ void set_header_timeline_position ();
- nframes_t write_float (Sample* data, sframes_t pos, nframes_t cnt);
+ samplecnt_t read_unlocked (Sample *dst, samplepos_t start, samplecnt_t cnt) const;
+ samplecnt_t write_unlocked (Sample *dst, samplecnt_t cnt);
+ samplecnt_t write_float (Sample* data, samplepos_t pos, samplecnt_t cnt);
private:
- SNDFILE *sf;
+ SNDFILE* _sndfile;
SF_INFO _info;
BroadcastInfo *_broadcast_info;
void init_sndfile ();
int open();
- int setup_broadcast_info (sframes_t when, struct tm&, time_t);
+ int setup_broadcast_info (samplepos_t when, struct tm&, time_t);
+ void file_closed ();
/* destructive */
- static nframes_t xfade_frames;
+ static samplecnt_t xfade_samples;
static gain_t* out_coefficient;
static gain_t* in_coefficient;
bool _capture_start;
bool _capture_end;
- sframes_t capture_start_frame;
- sframes_t file_pos; // unit is frames
- nframes_t xfade_out_count;
- nframes_t xfade_in_count;
+ samplepos_t capture_start_sample;
+ samplepos_t file_pos; // unit is samples
Sample* xfade_buf;
- nframes_t crossfade (Sample* data, nframes_t cnt, int dir);
- void set_timeline_position (int64_t);
- nframes_t destructive_write_unlocked (Sample *dst, nframes_t cnt);
- nframes_t nondestructive_write_unlocked (Sample *dst, nframes_t cnt);
+ samplecnt_t crossfade (Sample* data, samplecnt_t cnt, int dir);
+ void set_timeline_position (samplepos_t);
+ samplecnt_t destructive_write_unlocked (Sample *dst, samplecnt_t cnt);
+ samplecnt_t nondestructive_write_unlocked (Sample *dst, samplecnt_t cnt);
void handle_header_position_change ();
+ PBD::ScopedConnection header_position_connection;
};
} // namespace ARDOUR