X-Git-Url: http://git.cinelerra-gg.org/git/?a=blobdiff_plain;f=cinelerra-5.1%2Fcinelerra%2Fplaybackengine.C;h=7dcea2df1f6203d348dbb5ad096e0f427c535699;hb=3966bf849d26244bc8b9a39fa485a808272225d0;hp=faaff0e88db6cd9ab518b6ad0bca2f42a9bcfa49;hpb=49f85559268fc040fe7ba5611cc0520793cf728b;p=goodguy%2Fhistory.git

diff --git a/cinelerra-5.1/cinelerra/playbackengine.C b/cinelerra-5.1/cinelerra/playbackengine.C
index faaff0e8..7dcea2df 100644
--- a/cinelerra-5.1/cinelerra/playbackengine.C
+++ b/cinelerra-5.1/cinelerra/playbackengine.C
@@ -2,21 +2,21 @@
 /*
  * 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 "bchash.h"
@@ -66,7 +66,7 @@ PlaybackEngine::~PlaybackEngine()
 {
 	done = 1;
 	que->send_command(STOP,
-		CHANGE_NONE, 
+		CHANGE_NONE,
 		0,
 		0);
 	interrupt_playback();
@@ -244,7 +244,7 @@ void PlaybackEngine::stop_cursor()
 
 void PlaybackEngine::init_tracking()
 {
-	tracking_active = !command->single_frame() ? 1 : 0; 
+	tracking_active = !command->single_frame() ? 1 : 0;
 	tracking_position = command->playbackstart;
 	tracking_done->lock("PlaybackEngine::init_tracking");
 	init_cursor(tracking_active);
@@ -300,8 +300,8 @@ double PlaybackEngine::get_tracking_position()
 			if(command->get_direction() == PLAY_FORWARD)
 			{
 // Interpolate
-				result = tracking_position + 
-					command->get_speed() * 
+				result = tracking_position +
+					command->get_speed() *
 					tracking_timer.get_difference() /
 					1000.0;
 
@@ -315,8 +315,8 @@ double PlaybackEngine::get_tracking_position()
 			else
 			{
 // Interpolate
-				result = tracking_position - 
-					command->get_speed() * 
+				result = tracking_position -
+					command->get_speed() *
 					tracking_timer.get_difference() /
 					1000.0;
 
@@ -351,14 +351,11 @@ void PlaybackEngine::run()
 {
 	start_lock->unlock();
 
-	do
-	{
+	while( !done ) {
 // Wait for current command to finish
 		que->output_lock->lock("PlaybackEngine::run");
-
 		wait_render_engine();
 
-
 // Read the new command
 		que->input_lock->lock("PlaybackEngine::run");
 		if(done) return;
@@ -366,61 +363,65 @@ void PlaybackEngine::run()
 		command->copy_from(&que->command);
 		que->command.reset();
 		que->input_lock->unlock();
-
 //printf("PlaybackEngine::run 1 %d\n", command->command);
 
-
-		switch(command->command)
-		{
+		switch( command->command ) {
 // Parameter change only
-			case COMMAND_NONE:
-//				command->command = last_command;
-				perform_change();
-				break;
-
-			case PAUSE:
-				init_cursor(0);
-				pause_lock->lock("PlaybackEngine::run");
-				stop_cursor();
-				break;
-
-			case STOP:
+		case COMMAND_NONE:
+//			command->command = last_command;
+			perform_change();
+			break;
+
+		case PAUSE:
+			init_cursor(0);
+			pause_lock->lock("PlaybackEngine::run");
+			stop_cursor();
+			break;
+
+		case STOP:
 // No changing
-				break;
+			break;
 
-			case CURRENT_FRAME:
-				last_command = command->command;
-				perform_change();
-				arm_render_engine();
+		case CURRENT_FRAME:
+			last_command = command->command;
+			perform_change();
+			arm_render_engine();
 // Dispatch the command
-				start_render_engine();
-				break;
-
-			default:
-				last_command = command->command;
-				is_playing_back = 1;
- 				if(command->command == SINGLE_FRAME_FWD ||
-					command->command == SINGLE_FRAME_REWIND)
-				{
- 					command->playbackstart = get_tracking_position();
-				}
+			start_render_engine();
+			break;
 
-				perform_change();
-				arm_render_engine();
+		case SINGLE_FRAME_FWD:
+		case SINGLE_FRAME_REWIND:
+// fall through
+		default:
+			last_command = command->command;
+			is_playing_back = 1;
+
+			perform_change();
+			arm_render_engine();
 
 // Start tracking after arming so the tracking position doesn't change.
 // The tracking for a single frame command occurs during PAUSE
-				init_tracking();
+			init_tracking();
 
 // Dispatch the command
-				start_render_engine();
-				break;
+			start_render_engine();
+			break;
 		}
 
 
 //printf("PlaybackEngine::run 100\n");
-	}while(!done);
+	}
 }
 
 
+void PlaybackEngine::stop_playback()
+{
+	que->send_command(STOP, CHANGE_NONE, 0, 0);
+	interrupt_playback(1);
+	renderengine_lock->lock("PlaybackEngine::stop_playback");
+	if(render_engine)
+		render_engine->wait_done();
+	renderengine_lock->unlock();
+}