Index: libvo/vo_png.c
===================================================================
RCS file: /cvsroot/mplayer/main/libvo/vo_png.c,v
retrieving revision 1.24
diff -u -r1.24 vo_png.c
--- libvo/vo_png.c	19 Jul 2004 23:11:06 -0000	1.24
+++ libvo/vo_png.c	26 Aug 2004 21:50:06 -0000
@@ -17,6 +17,7 @@
 #include "config.h"
 #include "video_out.h"
 #include "video_out_internal.h"
+#include "../mp_msg.h"
 
 static vo_info_t info = 
 {
@@ -30,6 +31,7 @@
 
 extern int verbose;
 int z_compression = Z_NO_COMPRESSION;
+char * png_outdir = ".";
 static int framenum = 0;
 
 struct pngdata {
@@ -208,11 +210,40 @@
 
 static uint32_t preinit(const char *arg)
 {
-    if(arg) 
-    {
-	printf("PNG Unknown subdevice: %s\n",arg);
-	return ENOSYS;
-    }
+    unsigned int errors=0;
+    	while(arg && *arg!='\0')
+    	{
+    	    if(*arg ==':') ++arg;
+            if(strncmp(arg,"outdir=",7)==0)
+            {
+    	    	arg+=7;
+	    	const char *end=arg;
+	    	while(end && *end !='\0' && *end!=':' ) ++end; 
+	    	size_t len=end-arg;
+	    	if(len)
+	    	{
+	    		png_outdir=malloc(len+1);
+	    		strncpy(png_outdir,arg,len);
+	    		png_outdir[len]='\0';
+	    		arg+=len;
+	    	}else
+	    		printf("vo_png: Empty outdir string given, using ./ as outdir path\n");
+	    }else if(strncmp(arg,"z=",2)==0){
+	    	arg+=2;
+	    	z_compression=atoi(arg);
+	    	while(isdigit(*arg)) ++arg; //go to next arg
+	    }else if(*arg!='\0'){	//something unrecognizeable found
+		++errors;
+		const char *temp=arg;
+		while(*temp!='\0' && *temp!=':') ++temp;
+		size_t len=temp-arg;
+		mp_msg(MSGT_VO, MSGL_ERR, "vo_png: Unknown subdevice input: %.*s\n", len,arg);
+		arg=temp;
+	    }
+	} 
+	
+    if(errors)
+    	return ENOSYS;
     return 0;
 }