libardour added.

git-svn-id: svn://localhost/trunk/ardour2@17 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 88 insertions, 0 deletions

diff --git a/libs/ardour/ardour/export.h b/libs/ardour/ardour/export.h
new file mode 100644
index 0000000000..9a6da1592b
--- /dev/null
+++ b/libs/ardour/ardour/export.h
@@ -0,0 +1,88 @@
+#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> > AudioExportPortMap;
+
+	struct AudioExportSpecification : public SF_INFO, public sigc::trackable {
+
+	    AudioExportSpecification();
+	    ~AudioExportSpecification ();
+
+	    void init ();
+	    void clear ();
+
+
+	    int prepare (jack_nframes_t blocksize, jack_nframes_t frame_rate);
+
+	    int process (jack_nframes_t nframes);
+
+	    /* set by the user */
+
+	    string              path;
+	    jack_nframes_t      sample_rate;
+
+	    int                 src_quality;
+	    SNDFILE*            out;
+	    uint32_t       channels;
+	    AudioExportPortMap  port_map;
+	    jack_nframes_t      start_frame;
+	    jack_nframes_t      end_frame;
+	    GDitherType         dither_type;
+	    bool                do_freewheel;
+
+	    /* used exclusively during export */
+
+	    jack_nframes_t      frame_rate;
+	    GDither             dither;
+	    float*              dataF;
+	    float*              dataF2;
+	    float*              leftoverF;
+	    jack_nframes_t      leftover_frames;
+	    jack_nframes_t      max_leftover_frames;
+	    void*               output_data;
+	    jack_nframes_t      out_samples_max;
+	    uint32_t        sample_bytes;
+	    uint32_t        data_width;
+
+	    jack_nframes_t      total_frames;
+	    SF_INFO             sfinfo;
+	    SRC_DATA            src_data;
+	    SRC_STATE*          src_state;
+	    jack_nframes_t      pos;
+
+	    sigc::connection    freewheel_connection;
+
+	    /* shared between UI thread and audio thread */
+
+	    float progress;  /* audio thread sets this */
+	    bool  stop;      /* UI sets this */
+	    bool  running;   /* audio thread sets to false when export is done */
+
+	    int   status;
+
+	};
+};
+
+#endif /* __ardour_export_h__ */