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

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

diff --git a/cinelerra-5.1/cinelerra/virtualvconsole.C b/cinelerra-5.1/cinelerra/virtualvconsole.C
new file mode 100644 (file)
index 0000000..2201b79
--- /dev/null
+++ b/cinelerra-5.1/cinelerra/virtualvconsole.C
@@ -0,0 +1,186 @@
+
+/*
+ * 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 "bcsignals.h"
+#include "bctimer.h"
+#include "datatype.h"
+#include "edl.h"
+#include "edlsession.h"
+#include "mwindow.h"
+#include "playabletracks.h"
+#include "preferences.h"
+#include "renderengine.h"
+#include "tracks.h"
+#include "transportque.h"
+#include "vdevicex11.h"
+#include "vframe.h"
+#include "videodevice.h"
+#include "virtualvconsole.h"
+#include "virtualvnode.h"
+#include "vmodule.h"
+#include "vrender.h"
+#include "vtrack.h"
+
+VirtualVConsole::VirtualVConsole(RenderEngine *renderengine, VRender *vrender)
+ : VirtualConsole(renderengine, vrender, TRACK_VIDEO)
+{
+       this->vrender = vrender;
+       output_temp = 0;
+}
+
+VirtualVConsole::~VirtualVConsole()
+{
+       if(output_temp)
+       {
+               delete output_temp;
+       }
+}
+
+VDeviceBase* VirtualVConsole::get_vdriver()
+{
+       return renderengine->video->get_output_base();
+}
+
+void VirtualVConsole::get_playable_tracks()
+{
+       if(!playable_tracks)
+               playable_tracks = new PlayableTracks(renderengine->get_edl(), 
+                       commonrender->current_position, 
+                       renderengine->command->get_direction(),
+                       TRACK_VIDEO,
+                       1);
+//printf("VirtualVConsole::get_playable_tracks %d %d\n", __LINE__, playable_tracks->size());
+}
+
+VirtualNode* VirtualVConsole::new_entry_node(Track *track, 
+       Module *module,
+       int track_number)
+{
+       return new VirtualVNode(renderengine, 
+               this, 
+               module,
+               0,
+               track,
+               0);
+}
+
+// start of buffer in project if forward / end of buffer if reverse
+int VirtualVConsole::process_buffer(int64_t input_position,
+       int use_opengl)
+{
+       int result = 0;
+
+
+
+// The use of single frame is determined in RenderEngine::arm_command
+// printf("VirtualVConsole::process_buffer %d this=%p %d\n", 
+// __LINE__,
+// this,
+// use_opengl);
+
+       if(debug_tree) 
+               printf("VirtualVConsole::process_buffer %d exit_nodes=%d\n", 
+                       __LINE__,
+                       exit_nodes.total);
+
+
+       if(use_opengl)
+       {
+// clear hardware framebuffer
+
+               ((VDeviceX11*)get_vdriver())->clear_output();
+
+// que OpenGL driver that everything is overlaid in the framebuffer
+               vrender->video_out->set_opengl_state(VFrame::SCREEN);
+
+       }
+       else
+       {
+// clear device buffer
+//printf("VirtualVConsole::process_buffer %d %p\n", __LINE__, vrender->video_out);
+//vrender->video_out->dump();
+               vrender->video_out->clear_frame();
+//printf("VirtualVConsole::process_buffer %d\n", __LINE__);
+       }
+
+
+
+
+
+
+// Reset plugin rendering status
+       reset_attachments();
+
+//     Timer timer;
+// Render exit nodes from bottom to top
+       for(current_exit_node = exit_nodes.total - 1; current_exit_node >= 0; current_exit_node--)
+       {
+               VirtualVNode *node = (VirtualVNode*)exit_nodes.values[current_exit_node];
+               Track *track = node->track;
+
+// Create temporary output to match the track size, which is acceptable since
+// most projects don't have variable track sizes.
+// If the project has variable track sizes, this object is recreated for each track.
+
+
+
+
+
+               if(output_temp && 
+                       (output_temp->get_w() != track->track_w ||
+                       output_temp->get_h() != track->track_h))
+               {
+                       delete output_temp;
+                       output_temp = 0;
+               }
+
+
+               if(!output_temp)
+               {
+// Texture is created on demand
+                       output_temp = new VFrame(0, 
+                               -1,
+                               track->track_w, 
+                               track->track_h, 
+                               renderengine->get_edl()->session->color_model,
+                               -1);
+               }
+
+// Reset OpenGL state
+               if(use_opengl)
+                       output_temp->set_opengl_state(VFrame::RAM);
+
+
+// Assume openGL is used for the final stage and let console
+// disable.
+               output_temp->clear_stacks();
+               result |= node->render(output_temp,
+                       input_position + track->nudge,
+                       renderengine->get_edl()->session->frame_rate,
+                       use_opengl);
+
+       }
+//printf("VirtualVConsole::process_buffer timer=%jd\n", timer.get_difference());
+
+       if(debug_tree) printf("VirtualVConsole::process_buffer %d\n", __LINE__);
+       return result;
+}
+