X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fardour%2Fsndfilesource.h;h=bed431c4902d5f5845b0b5c24b5f4f7b240587b4;hb=4861eca97483128e5febb575b94688581abb0154;hp=5d11c9ef095e6be2599dd40abd88cca875205c63;hpb=868f557f2612903f72614a2b3a317c7a528188d1;p=ardour.git

diff --git a/libs/ardour/ardour/sndfilesource.h b/libs/ardour/ardour/sndfilesource.h
index 5d11c9ef09..bed431c490 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
@@ -15,40 +15,99 @@
     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/externalsource.h>
+#include "ardour/audiofilesource.h"
+#include "ardour/broadcast_info.h"
+#include "pbd/sndfile_manager.h"
 
 namespace ARDOUR {
 
-class SndFileSource : public ExternalSource {
+class SndFileSource : public AudioFileSource {
   public:
-	SndFileSource (const string& path_plus_channel, bool build_peak = true);
-	SndFileSource (const XMLNode&);
+	/** Constructor to be called for existing external-to-session files */
+	SndFileSource (Session&, const std::string& path, int chn, 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 existing in-session files */
+	SndFileSource (Session&, const XMLNode&);
+
 	~SndFileSource ();
 
-	jack_nframes_t length() const { return _info.frames; } 
-	jack_nframes_t read (Sample *dst, jack_nframes_t start, jack_nframes_t cnt, char * workbuf) const;
 	float sample_rate () const;
+	int update_header (framepos_t when, struct tm&, time_t);
+	int flush_header ();
+	void flush ();
 
-  private:
-	SNDFILE *sf;
-	SF_INFO _info;
+	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);
 
-	mutable float *tmpbuf;
-	mutable jack_nframes_t tmpbufsize;
-	mutable Glib::Mutex _tmpbuf_lock;
+	bool one_of_several_channels () const;
 
-	void init (const string &str, bool build_peak);
+	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 ();
+
+	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:
+	PBD::SndFileDescriptor* _descriptor;
+	SF_INFO _info;
+	BroadcastInfo *_broadcast_info;
+
+	void init_sndfile ();
+	int open();
+	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 */
+} // namespace ARDOUR
 
 #endif /* __sndfile_source_h__ */