1 files changed, 115 insertions, 0 deletions
diff --git a/TOOLS/mwallp/mwallp.c b/TOOLS/mwallp/mwallp.c
new file mode 100644
index 0000000000..f9fbaefc76
--- /dev/null
+++ b/TOOLS/mwallp/mwallp.c
@@ -0,0 +1,115 @@
+// based on x11_common.c/vo_x11.c from libvo
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <inttypes.h>
+
+#include <string.h>
+#include <unistd.h>
+#include <sys/mman.h>
+
+#include <X11/Xmd.h>
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/Xatom.h>
+
+#include "cpudetect.h"
+
+char* mDisplayName=NULL;
+Display* mDisplay=NULL;
+Window   mRootWin=None;
+int mScreen=0;
+XImage  * mXImage = NULL;
+GC         vo_gc = NULL;
+Pixmap mPixmap=0;
+
+int vo_depthonscreen=0;
+int vo_screenwidth=0;
+int vo_screenheight=0;
+
+int verbose=0;
+int namecnt=0;
+
+int main(int argc,char* argv[]){
+ unsigned int mask;
+ int bpp,depth;
+
+ mp_msg_init();
+ mp_msg_set_level(5);
+
+ GetCpuCaps(&gCpuCaps);
+ 
+ mDisplayName = XDisplayName(mDisplayName);
+ mDisplay=XOpenDisplay(mDisplayName);
+ if ( !mDisplay )
+  {
+   printf("vo: couldn't open the X11 display (%s)!\n",mDisplayName );
+   return 0;
+  }
+ mScreen=DefaultScreen( mDisplay );     // Screen ID.
+ mRootWin=RootWindow( mDisplay,mScreen );// Root window ID.
+
+ vo_screenwidth=DisplayWidth( mDisplay,mScreen );
+ vo_screenheight=DisplayHeight( mDisplay,mScreen );
+
+ // get color depth (from root window, or the best visual):
+ {  XWindowAttributes attribs;
+    XGetWindowAttributes(mDisplay, mRootWin, &attribs);
+    depth=vo_depthonscreen=attribs.depth;
+ }
+ mXImage=XGetImage( mDisplay,mRootWin,0,0,vo_screenwidth,vo_screenheight,AllPlanes,ZPixmap );
+
+ bpp=mXImage->bits_per_pixel;
+ if((vo_depthonscreen+7)/8 != (bpp+7)/8) vo_depthonscreen=bpp; // by A'rpi
+ mask=mXImage->red_mask|mXImage->green_mask|mXImage->blue_mask;
+
+ if(((vo_depthonscreen+7)/8)==2){
+   if(mask==0x7FFF) vo_depthonscreen=15; else
+   if(mask==0xFFFF) vo_depthonscreen=16;
+ }
+ 
+ printf("X11 running at %d x %d, %d bpp \n",vo_screenwidth,vo_screenheight,vo_depthonscreen);
+
+ mPixmap=XCreatePixmap(mDisplay,mRootWin,vo_screenwidth,vo_screenheight,depth);
+
+ {  XGCValues xgcv;
+    vo_gc=XCreateGC( mDisplay,mRootWin,0L,&xgcv );
+ }
+
+ if(argc<2){ printf("no filenames!\n");return;}
+
+ srand(time(NULL));
+
+while(1){
+ FILE *f;
+ char* data;
+ int len;
+ int ret;
+ 
+ namecnt=1+(long long)rand()*(argc-1)/RAND_MAX;
+ //++namecnt; if(namecnt>=argc) namecnt=1;
+ if(namecnt<1 || namecnt>=argc) continue; // ???
+ 
+ f=fopen(argv[namecnt],"rb");if(!f) continue;
+ fseek(f,0,SEEK_END); len=ftell(f); fseek(f,0,SEEK_SET);
+ data=malloc(len);
+ len=fread(data,1,len,f);
+ fclose(f);
+
+ ret=decode_jpeg(data,len,mXImage->data,vo_screenwidth,vo_screenheight,
+   ((vo_depthonscreen+7)/8)*vo_screenwidth,vo_depthonscreen);
+
+ free(data);
+ 
+ if(!ret) continue; // failed to load
+
+ XPutImage( mDisplay,mPixmap,vo_gc,mXImage,
+               0,0, 0,0, vo_screenwidth,vo_screenheight);
+ XSetWindowBackgroundPixmap(mDisplay,mRootWin,mPixmap);
+ XClearWindow(mDisplay,mRootWin);
+ XSync(mDisplay, True);
+ 
+ break; // DONE!
+}
+
+}