Move Diskstream ownership to Track, so that Session no longer holds lists of Diskstreams. Breaks 3.0 file format again.

git-svn-id: svn://localhost/ardour2/branches/3.0@6945 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 80 insertions, 0 deletions

diff --git a/libs/ardour/ardour/public_diskstream.h b/libs/ardour/ardour/public_diskstream.h
new file mode 100755
index 0000000000..90ca030af1
--- /dev/null
+++ b/libs/ardour/ardour/public_diskstream.h
@@ -0,0 +1,80 @@
+/*
+    Copyright (C) 2010 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_public_diskstream_h__
+#define __ardour_public_diskstream_h__
+
+namespace ARDOUR {
+
+class Playlist;
+class Region;
+class Location;
+
+/** Public interface to a Diskstream */	
+class PublicDiskstream
+{
+public:
+
+	virtual boost::shared_ptr<Playlist> playlist () = 0;
+	virtual void monitor_input (bool) = 0;
+	virtual bool destructive () const = 0;
+	virtual std::list<boost::shared_ptr<Region> > & last_capture_regions () = 0;
+	virtual void set_capture_offset () = 0;
+	virtual void reset_write_sources (bool, bool force = false) = 0;
+	virtual float playback_buffer_load () const = 0;
+	virtual float capture_buffer_load () const = 0;
+	virtual int do_refill () = 0;
+	virtual int do_flush (RunContext, bool force = false) = 0;
+	virtual uint32_t read_data_count() const = 0;
+	virtual uint32_t write_data_count() const = 0;
+	virtual void set_pending_overwrite (bool) = 0;
+	virtual int seek (nframes_t, bool complete_refill = false) = 0;
+	virtual bool hidden () const = 0;
+	virtual int can_internal_playback_seek (nframes_t) = 0;
+	virtual int internal_playback_seek (nframes_t) = 0;
+	virtual void non_realtime_input_change () = 0;
+	virtual void non_realtime_locate (nframes_t) = 0;
+	virtual void non_realtime_set_speed () = 0;
+	virtual int overwrite_existing_buffers () = 0;
+	virtual nframes_t get_captured_frames (uint32_t n = 0) = 0;
+	virtual int set_loop (Location *) = 0;
+	virtual void transport_looped (nframes_t) = 0;
+	virtual bool realtime_set_speed (double, bool) = 0;
+	virtual void transport_stopped_wallclock (struct tm &, time_t, bool) = 0;
+	virtual bool pending_overwrite () const = 0;
+	virtual double speed () const = 0;
+        virtual void prepare_to_stop (framepos_t) = 0;
+	virtual void set_slaved (bool) = 0;
+	virtual ChanCount n_channels () = 0;
+	virtual nframes_t get_capture_start_frame (uint32_t n = 0) = 0;
+	virtual AlignStyle alignment_style () const = 0;
+	virtual void set_record_enabled (bool) = 0;
+	virtual nframes_t current_capture_start () const = 0;
+	virtual nframes_t current_capture_end () const = 0;
+	virtual void playlist_modified () = 0;
+	virtual int use_playlist (boost::shared_ptr<Playlist>) = 0;
+	virtual void set_align_style (AlignStyle) = 0;
+	virtual int use_copy_playlist () = 0;
+	virtual int use_new_playlist () = 0;
+	
+};
+
+}
+
+#endif