X-Git-Url: http://git.cinelerra-gg.org/git/?a=blobdiff_plain;f=cinelerra-5.1%2Fcinelerra%2Fmaxchannels.h;h=4a207c4d44030f157f9446d6f6f5101a4668ee3f;hb=5621db270ccbeabc106e0f438941dba6f930652b;hp=0247ec1a4f886b9f00f5865a0538c3e7864444d6;hpb=30bdb85eb33a8ee7ba675038a86c6be59c43d7bd;p=goodguy%2Fhistory.git

diff --git a/cinelerra-5.1/cinelerra/maxchannels.h b/cinelerra-5.1/cinelerra/maxchannels.h
index 0247ec1a..4a207c4d 100644
--- a/cinelerra-5.1/cinelerra/maxchannels.h
+++ b/cinelerra-5.1/cinelerra/maxchannels.h
@@ -2,24 +2,56 @@
 /*
  * 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
- * 
+ *
  */
 
 #ifndef MAXCHANNELS
 #define MAXCHANNELS 32
 #define MAX_CHANNELS 32
+
+static inline int default_audio_channel_position(int channel, int total_channels)
+{
+	int default_position = 0;
+	switch( total_channels ) {
+	case 0: break;
+	case 1: switch( channel ) {
+		case 0: default_position = 90;   break;
+		}
+		break;
+	case 2: switch( channel ) {
+		case 0: default_position = 180;  break;
+		case 1: default_position = 0;    break;
+		}
+		break;
+	case 6: switch( channel ) {
+		case 0: default_position = 150;  break;
+		case 1: default_position = 30;   break;
+		case 2: default_position = 90;   break;
+		case 3: default_position = 270;  break;
+		case 4: default_position = 210;  break;
+		case 5: default_position = 330;  break;
+		}
+		break;
+	default:
+		default_position = 180 - (360 * channel / total_channels);
+		while( default_position < 0 ) default_position += 360;
+		break;
+	}
+	return default_position;
+}
+
 #endif