Merge CV, ver=5.1; ops/methods from HV, and interface from CV where possible

[goodguy/history.git] / cinelerra-5.1 / cinelerra / playabletracks.C

diff --git a/cinelerra-5.1/cinelerra/playabletracks.C b/cinelerra-5.1/cinelerra/playabletracks.C
new file mode 100644 (file)
index 0000000..9acfe74
--- /dev/null
+++ b/cinelerra-5.1/cinelerra/playabletracks.C
@@ -0,0 +1,120 @@
+
+/*
+ * CINELERRA
+ * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
+ * 
+ * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * 
+ */
+
+#include "automation.h"
+#include "edl.h"
+#include "edlsession.h"
+#include "mwindow.h"
+#include "patchbay.h"
+#include "playabletracks.h"
+#include "plugin.h"
+#include "preferences.h"
+#include "intauto.h"
+#include "intautos.h"
+#include "tracks.h"
+#include "transportque.h"
+
+
+PlayableTracks::PlayableTracks(EDL *edl, 
+       int64_t current_position, 
+       int direction,
+       int data_type,
+       int use_nudge)
+ : ArrayList<Track*>()
+{
+       this->data_type = data_type;
+
+       for(Track *current_track = edl->tracks->first; 
+               current_track; 
+               current_track = current_track->next)
+       {
+               if(is_playable(current_track, current_position, direction, use_nudge))
+               {
+// printf("PlayableTracks::PlayableTracks %d this=%p current_track=%p total=%d current_position=%jd\n", 
+// __LINE__,
+// this, 
+// current_track,
+// total, 
+// current_position);
+                       append(current_track);
+               }
+       }
+// printf("PlayableTracks::PlayableTracks %d data_type=%d total=%d current_position=%jd\n", 
+// __LINE__,
+// data_type, 
+// total, 
+// current_position);
+}
+
+PlayableTracks::~PlayableTracks()
+{
+}
+
+
+int PlayableTracks::is_playable(Track *current_track, 
+       int64_t position,
+       int direction,
+       int use_nudge)
+{
+       int result = 1;
+       if(use_nudge) position += current_track->nudge;
+       if(current_track->data_type != data_type) result = 0;
+
+// Track is off screen and not bounced to other modules
+       if(result)
+       {
+               if(!current_track->plugin_used(position, direction) &&
+                       !current_track->is_playable(position, direction))
+                       result = 0;
+       }
+
+// Test play patch
+       if(!current_track->play)
+       {
+               result = 0;
+       }
+
+       if(result)
+       {
+// Test for playable edit
+               if(!current_track->playable_edit(position, direction))
+               {
+// Test for playable effect
+                       if(!current_track->is_synthesis(position,
+                                               direction))
+                       {
+                               result = 0;
+                       }
+               }
+       }
+
+       return result;
+}
+
+
+int PlayableTracks::is_listed(Track *track)
+{
+       for(int i = 0; i < total; i++)
+       {
+               if(values[i] == track) return 1;
+       }
+       return 0;
+}