-noaudio option to force the sound system to None.

Useful when openAL is not setup properly (*cough* pulseaudio *cough) and prevents startup.

This doesn't actually affect the userpref option, so you can set it to whatever you want, save userprefs and restart.

source/blender/blenkernel/BKE_sound.h

@@ -41,6 +41,8 @@ void sound_init();
 
 void sound_exit();
 
+void sound_disable();
+
 struct bSound* sound_new_file(struct Main *main, char* filename);
 
 // XXX unused currently

source/blender/blenkernel/intern/sound.c

@@ -31,6 +31,13 @@
 #include <config.h>
 #endif
 
+static int sound_disabled = 0;
+
+void sound_disable()
+{
+	sound_disabled = 1;
+}
+
 void sound_init()
 {
 	AUD_Specs specs;
@@ -42,6 +49,9 @@ void sound_init()
 	specs.format = U.audioformat;
 	specs.rate = U.audiorate;
 
+	if (sound_disabled)
+		device = 0;
+
 	if(buffersize < 128)
 		buffersize = AUD_DEFAULT_BUFFER_SIZE;
 

source/creator/creator.c

@@ -62,6 +62,7 @@
 #include "BKE_scene.h"
 #include "BKE_node.h"
 #include "BKE_report.h"
+#include "BKE_sound.h"
 
 #include "IMB_imbuf.h"	// for quicktime_init
 
@@ -219,6 +220,7 @@ static void print_help(void)
 	printf ("  -d\t\tTurn debugging on\n");
 	printf ("  -nojoystick\tDisable joystick support\n");
 	printf ("  -noglsl\tDisable GLSL shading\n");
+	printf ("  -noaudio\tForce sound system to None\n");
 	printf ("  -h\t\tPrint this help text\n");
 	printf ("  -y\t\tDisable automatic python script execution (pydrivers, pyconstraints, pynodes)\n");
 	printf ("  -P <filename>\tRun the given Python script (filename or Blender Text)\n");
@@ -482,8 +484,10 @@ int main(int argc, char **argv)
 						SYS_WriteCommandLineInt(syshandle,"nojoystick",1);
 						if (G.f & G_DEBUG) printf("disabling nojoystick\n");
 					}
-					if (BLI_strcasecmp(argv[a], "-noglsl") == 0)
+					else if (BLI_strcasecmp(argv[a], "-noglsl") == 0)
 						GPU_extensions_disable();
+					else if (BLI_strcasecmp(argv[a], "-noaudio") == 0)
+						sound_disable();
 					break;
 				}
 			}