fix unset timeline position for destructive sources; fix duplicate, unmanaged waveviews being created by a thread race

git-svn-id: svn://localhost/ardour2/trunk@1060 d708f5d6-7413-0410-9779-e7cbd77b26cf

gtk2_ardour/audio_region_view.cc

@@ -847,6 +847,9 @@ AudioRegionView::create_one_wave (uint32_t which, bool direct)
 		waves = tmp_waves;
 		tmp_waves.clear ();
 
+		/* all waves created, don't hook into peaks ready anymore */
+		data_ready_connection.disconnect ();		
+
 		if (!zero_line) {
 			zero_line = new ArdourCanvas::SimpleLine (*group);
 			zero_line->property_x1() = (gdouble) 1.0;
@@ -861,7 +864,6 @@ void
 AudioRegionView::peaks_ready_handler (uint32_t which)
 {
 	Gtkmm2ext::UI::instance()->call_slot (bind (mem_fun(*this, &AudioRegionView::create_one_wave), which, false));
-
 	if (!waves.empty()) {
 		/* all waves created, don't hook into peaks ready anymore */
 		data_ready_connection.disconnect ();		

gtk2_ardour/canvas-waveview.c

@@ -977,7 +977,7 @@ gnome_canvas_waveview_render (GnomeCanvasItem *item,
 
 #if 0
 	printf ("0x%x r (%d..%d)(%d..%d) bbox (%d..%d)(%d..%d)"
-		" b/e %d..%d s= %lu..%lu\n",
+		" b/e %d..%d s= %lu..%lu @ %f\n",
 		waveview,
 		buf->rect.x0,
 		buf->rect.x1,
@@ -987,7 +987,8 @@ gnome_canvas_waveview_render (GnomeCanvasItem *item,
 		waveview->bbox_lrx,
 		waveview->bbox_uly,
 		waveview->bbox_lry,
-		begin, end, s1, s2);
+		begin, end, s1, s2,
+		waveview->samples_per_unit);
 #endif
 
 	/* now ensure that the cache is full and properly

libs/ardour/audiosource.cc

@@ -704,7 +704,7 @@ AudioSource::read_peaks (PeakData *peaks, nframes_t npeaks, nframes_t start, nfr
 	return ret;
 }
 
-#define DEBUG_PEAK_BUILD
+#undef DEBUG_PEAK_BUILD
 
 int
 AudioSource::build_peaks ()

libs/ardour/destructive_filesource.cc

@@ -55,6 +55,7 @@ typedef off_t off64_t;
 #include <fcntl.h>
 
 #include <pbd/error.h>
+#include <pbd/stacktrace.h>
 #include <ardour/destructive_filesource.h>
 #include <ardour/utils.h>
 #include <ardour/session.h>
@@ -290,7 +291,7 @@ DestructiveFileSource::write_unlocked (Sample* data, nframes_t cnt)
 		_capture_end = false;
 		
 		/* move to the correct location place */
-		file_pos = capture_start_frame;
+		file_pos = capture_start_frame - timeline_position;
 		
 		// split cnt in half
 		nframes_t subcnt = cnt / 2;
@@ -345,7 +346,6 @@ DestructiveFileSource::write_unlocked (Sample* data, nframes_t cnt)
 
 		/* in the middle of recording */
 
-
 		if (write_float (data, file_pos, cnt) != cnt) {
 			return 0;
 		}
@@ -418,6 +418,7 @@ DestructiveFileSource::set_timeline_position (nframes_t pos)
 int
 DestructiveFileSource::read_peaks (PeakData *peaks, nframes_t npeaks, nframes_t start, nframes_t cnt, double samples_per_unit) const
 {
+	// cerr << _name << " read peaks at " << start << " for " << cnt << " tpos = " << timeline_position << endl;
 	return AudioFileSource::read_peaks (peaks, npeaks, start, cnt, samples_per_unit);
 }
 	

libs/ardour/io.cc

@@ -171,7 +171,6 @@ IO::IO (Session& s, const XMLNode& node, DataType dt)
 	_session.add_controllable (&_gain_control);
 }
 
-
 IO::~IO ()
 {
 	Glib::Mutex::Lock guard (m_meter_signal_lock);

libs/ardour/session_state.cc

@@ -1039,11 +1039,11 @@ Session::set_state (const XMLNode& node)
 	Path
 	extra
 	Options/Config
+	Locations
 	Sources
 	AudioRegions
 	AudioDiskstreams
 	Connections
-	Locations
 	Routes
 	EditGroups
 	MixGroups
@@ -1066,6 +1066,39 @@ Session::set_state (const XMLNode& node)
 		error << _("Session: XML state has no options section") << endmsg;
 	}
 
+	if ((child = find_named_node (node, "Locations")) == 0) {
+		error << _("Session: XML state has no locations section") << endmsg;
+		goto out;
+	} else if (_locations.set_state (*child)) {
+		goto out;
+	}
+
+	Location* location;
+
+	if ((location = _locations.auto_loop_location()) != 0) {
+		set_auto_loop_location (location);
+	}
+
+	if ((location = _locations.auto_punch_location()) != 0) {
+		set_auto_punch_location (location);
+	}
+
+	if ((location = _locations.end_location()) == 0) {
+		_locations.add (end_location);
+	} else {
+		delete end_location;
+		end_location = location;
+	}
+
+	if ((location = _locations.start_location()) == 0) {
+		_locations.add (start_location);
+	} else {
+		delete start_location;
+		start_location = location;
+	}
+
+	AudioFileSource::set_header_position_offset (start_location->start());
+
 	if ((child = find_named_node (node, "Sources")) == 0) {
 		error << _("Session: XML state has no sources section") << endmsg;
 		goto out;
@@ -1113,37 +1146,6 @@ Session::set_state (const XMLNode& node)
 		goto out;
 	}
 
-	if ((child = find_named_node (node, "Locations")) == 0) {
-		error << _("Session: XML state has no locations section") << endmsg;
-		goto out;
-	} else if (_locations.set_state (*child)) {
-		goto out;
-	}
-
-	Location* location;
-
-	if ((location = _locations.auto_loop_location()) != 0) {
-		set_auto_loop_location (location);
-	}
-
-	if ((location = _locations.auto_punch_location()) != 0) {
-		set_auto_punch_location (location);
-	}
-
-	if ((location = _locations.end_location()) == 0) {
-		_locations.add (end_location);
-	} else {
-		delete end_location;
-		end_location = location;
-	}
-
-	if ((location = _locations.start_location()) == 0) {
-		_locations.add (start_location);
-	} else {
-		delete start_location;
-		start_location = location;
-	}
-
 	if ((child = find_named_node (node, "EditGroups")) == 0) {
 		error << _("Session: XML state has no edit groups section") << endmsg;
 		goto out;