X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fardour%2Fsndfilesource.h;h=7983b2e340f1d5b44bc7ecec9e8fda223941ad07;hb=bb9cc45cd22af67ac275a5e73accbe14fee664d8;hp=fe900850480e59615ba2ae7f5fa3653b11d690c0;hpb=c3b4df9867c727bd59d36b52911f9ebe2efea0c0;p=ardour.git

diff --git a/libs/ardour/ardour/sndfilesource.h b/libs/ardour/ardour/sndfilesource.h
index fe90085048..7983b2e340 100644
--- a/libs/ardour/ardour/sndfilesource.h
+++ b/libs/ardour/ardour/sndfilesource.h
@@ -1,5 +1,5 @@
 /*
-    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
@@ -15,65 +15,92 @@
     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"
 
 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 Glib::ustring& path, bool embedded, int chn, Flag flags);
 
-	SndFileSource (std::string path, 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 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 (sframes_t when, struct tm&, time_t);
 	int flush_header ();
 
+	nframes64_t natural_position () const;
+
+	sframes_t last_capture_start_frame() const;
+	void mark_capture_start (sframes_t);
+	void mark_capture_end ();
+	void clear_capture_marks();
+
+	bool set_destructive (bool yn);
+
+	bool one_of_several_channels () const;
+
+	static void setup_standard_crossfades (Session const &, nframes_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);
+
   protected:
 	void set_header_timeline_position ();
 
-	jack_nframes_t read_unlocked (Sample *dst, jack_nframes_t start, jack_nframes_t cnt, char * workbuf) const;
-	jack_nframes_t write_unlocked (Sample *dst, jack_nframes_t cnt, char * workbuf);
+	nframes_t read_unlocked (Sample *dst, sframes_t start, nframes_t cnt) const;
+	nframes_t write_unlocked (Sample *dst, nframes_t cnt);
 
-	jack_nframes_t write_float (Sample* data, jack_nframes_t pos, jack_nframes_t cnt);
+	nframes_t write_float (Sample* data, sframes_t pos, nframes_t cnt);
 
   private:
 	SNDFILE *sf;
 	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 (sframes_t when, struct tm&, time_t);
+
+	/* destructive */
+
+	static nframes_t xfade_frames;
+	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;
+	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);
+	void handle_header_position_change ();
 };
 
-}; /* namespace ARDOUR */
+} // namespace ARDOUR
 
 #endif /* __sndfile_source_h__ */