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

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

diff --git a/cinelerra-5.1/cinelerra/vtracking.C b/cinelerra-5.1/cinelerra/vtracking.C
new file mode 100644 (file)
index 0000000..dc25490
--- /dev/null
+++ b/cinelerra-5.1/cinelerra/vtracking.C
@@ -0,0 +1,108 @@
+
+/*
+ * 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 "asset.h"
+#include "assets.h"
+#include "edl.h"
+#include "edlsession.h"
+#include "localsession.h"
+#include "mainclock.h"
+#include "meterpanel.h"
+#include "mwindow.h"
+#include "renderengine.h"
+#include "mainclock.h"
+#include "vplayback.h"
+#include "vrender.h"
+#include "vtimebar.h"
+#include "vtracking.h"
+#include "vwindow.h"
+#include "vwindowgui.h"
+
+
+VTracking::VTracking(MWindow *mwindow, VWindow *vwindow)
+ : Tracking(mwindow)
+{
+       this->vwindow = vwindow;
+}
+
+VTracking::~VTracking()
+{
+}
+
+PlaybackEngine* VTracking::get_playback_engine()
+{
+       return vwindow->playback_engine;
+}
+
+void VTracking::update_tracker(double position)
+{
+       if( !vwindow->get_edl() ) return;
+       vwindow->gui->lock_window("VTracking::update_tracker");
+       vwindow->get_edl()->local_session->set_selectionstart(position);
+       vwindow->get_edl()->local_session->set_selectionend(position);
+
+       Asset *asset = vwindow->get_edl()->assets->first;
+       if( asset && asset->tcstart ) {
+               double rate = asset->video_data ? asset->frame_rate :
+                       asset->audio_data ? asset->sample_rate : 0;
+               if( rate > 0 )
+                       position += asset->tcstart / rate;
+       }
+       vwindow->gui->clock->update(position);
+
+// This is going to boost the latency but we need to update the timebar
+       vwindow->gui->timebar->update(1);
+
+       vwindow->gui->unlock_window();
+
+       update_meters((int64_t)(position * mwindow->edl->session->sample_rate));
+}
+
+int VTracking::start_playback(double new_position)
+{
+       
+       return Tracking::start_playback(new_position);
+}
+
+void VTracking::update_meters(int64_t position)
+{
+       double output_levels[MAXCHANNELS];
+
+       int do_audio = get_playback_engine()->get_output_levels(output_levels,
+               position);
+       if(do_audio)
+       {
+               vwindow->gui->lock_window("VTracking::update_meters");
+               vwindow->gui->meters->update(output_levels);
+               vwindow->gui->unlock_window();
+       }
+}
+
+void VTracking::stop_meters()
+{
+       vwindow->gui->lock_window("VTracking::stop_meters");
+       vwindow->gui->meters->stop_meters();
+       vwindow->gui->unlock_window();
+}
+
+void VTracking::draw()
+{
+}