1 files changed, 107 insertions, 0 deletions
diff --git a/libs/ardour/ardour/export.h b/libs/ardour/ardour/export.h
new file mode 100644
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+++ b/libs/ardour/ardour/export.h
@@ -0,0 +1,107 @@
+/*
+    Copyright (C) 2000-2007 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
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#ifndef __ardour_export_h__
+#define __ardour_export_h__
+
+#include <map>
+#include <vector>
+#include <string>
+
+#include <sigc++/signal.h>
+
+#include <sndfile.h>
+#include <samplerate.h>
+
+#include <ardour/ardour.h>
+#include <ardour/gdither.h>
+
+using std::map;
+using std::vector;
+using std::string;
+using std::pair;
+
+namespace ARDOUR 
+{
+	class Port;
+
+	typedef pair<Port *, uint32_t> PortChannelPair;
+	typedef map<uint32_t, vector<PortChannelPair> > ExportPortMap;
+
+	struct ExportSpecification : public SF_INFO, public sigc::trackable {
+
+	    ExportSpecification();
+	    ~ExportSpecification ();
+
+	    void init ();
+	    void clear ();
+
+
+	    int prepare (nframes_t blocksize, nframes_t frame_rate);
+
+	    int process (nframes_t nframes);
+
+	    /* set by the user */
+
+	    string              path;
+	    nframes_t      sample_rate;
+
+	    int            src_quality;
+	    SNDFILE*       out;
+	    uint32_t       channels;
+	    ExportPortMap  port_map;
+	    nframes_t      start_frame;
+	    nframes_t      end_frame;
+	    GDitherType    dither_type;
+	    bool           do_freewheel;
+
+	    /* used exclusively during export */
+
+	    nframes_t      frame_rate;
+	    GDither        dither;
+	    float*         dataF;
+	    float*         dataF2;
+	    float*         leftoverF;
+	    nframes_t      leftover_frames;
+	    nframes_t      max_leftover_frames;
+	    void*          output_data;
+	    nframes_t      out_samples_max;
+	    uint32_t       sample_bytes;
+	    uint32_t       data_width;
+
+	    nframes_t      total_frames;
+	    SF_INFO        sfinfo;
+	    SRC_DATA       src_data;
+	    SRC_STATE*     src_state;
+	    nframes_t      pos;
+
+	    sigc::connection freewheel_connection;
+
+	    /* shared between UI thread and audio thread */
+
+	    volatile float progress;  /* audio thread sets this */
+	    volatile bool  stop;      /* UI sets this */
+	    volatile bool  running;   /* audio thread sets to false when export is done */
+
+	    int status;
+	};
+
+} // namespace ARDOUR
+
+#endif /* __ardour_export_h__ */