X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fardour%2Fsndfilesource.h;h=ff15608d7057b68ac6305bcbc0faaa8491a83717;hb=f25d9b122046d9ccf81108afc2fb466a32f9cbcc;hp=50fd5e68393af1685a2263d547bb729a0299c7ca;hpb=fedf3d34f32264ac57c6a222b678dc90f2bb1a88;p=ardour.git

diff --git a/libs/ardour/ardour/sndfilesource.h b/libs/ardour/ardour/sndfilesource.h
index 50fd5e6839..ff15608d70 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
@@ -15,64 +15,95 @@
     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 (Session&, 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, nframes_t rate,
+			Flag flags = SndFileSource::default_writable_flags);
 
-	/* constructor to be called for new in-session files */
-
-	SndFileSource (Session&, std::string path, SampleFormat samp_format, HeaderFormat hdr_format, nframes_t rate, 
-		       Flag flags = AudioFileSource::Flag (AudioFileSource::Writable|
-							   AudioFileSource::Removable|
-							   AudioFileSource::RemovableIfEmpty|
-							   AudioFileSource::CanRename));
-		       
-	/* constructor to be called for existing in-session files */
-	
+	/** Constructor to be called for existing in-session files */
 	SndFileSource (Session&, const XMLNode&);
 
 	~SndFileSource ();
 
 	float sample_rate () const;
-	int update_header (nframes_t when, struct tm&, time_t);
+	int update_header (framepos_t when, struct tm&, time_t);
 	int flush_header ();
 
-	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 &, nframes_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 ();
 
-	nframes_t read_unlocked (Sample *dst, nframes_t start, nframes_t cnt) const;
-	nframes_t write_unlocked (Sample *dst, nframes_t cnt);
-
-	nframes_t write_float (Sample* data, nframes_t pos, 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;
+	BroadcastInfo *_broadcast_info;
 
-	mutable float *interleave_buf;
-	mutable nframes_t interleave_bufsize;
-
-	void init (const string &str);
+	void init_sndfile ();
 	int open();
-	void close();
-	int setup_broadcast_info (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