mirror of
https://github.com/mpv-player/mpv
synced 2024-12-16 20:05:07 +00:00
116 lines
2.7 KiB
C
116 lines
2.7 KiB
C
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// based on x11_common.c/vo_x11.c from libvo
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#include <stdio.h>
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#include <stdlib.h>
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#include <inttypes.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/mman.h>
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#include <X11/Xmd.h>
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include <X11/Xatom.h>
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#include "cpudetect.h"
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char* mDisplayName=NULL;
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Display* mDisplay=NULL;
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Window mRootWin=None;
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int mScreen=0;
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XImage * mXImage = NULL;
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GC vo_gc = NULL;
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Pixmap mPixmap=0;
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int vo_depthonscreen=0;
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int vo_screenwidth=0;
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int vo_screenheight=0;
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int verbose=0;
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int namecnt=0;
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int main(int argc,char* argv[]){
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unsigned int mask;
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int bpp,depth;
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mp_msg_init();
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mp_msg_set_level(5);
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GetCpuCaps(&gCpuCaps);
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mDisplayName = XDisplayName(mDisplayName);
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mDisplay=XOpenDisplay(mDisplayName);
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if ( !mDisplay )
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{
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printf("vo: couldn't open the X11 display (%s)!\n",mDisplayName );
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return 0;
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}
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mScreen=DefaultScreen( mDisplay ); // Screen ID.
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mRootWin=RootWindow( mDisplay,mScreen );// Root window ID.
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vo_screenwidth=DisplayWidth( mDisplay,mScreen );
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vo_screenheight=DisplayHeight( mDisplay,mScreen );
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// get color depth (from root window, or the best visual):
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{ XWindowAttributes attribs;
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XGetWindowAttributes(mDisplay, mRootWin, &attribs);
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depth=vo_depthonscreen=attribs.depth;
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}
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mXImage=XGetImage( mDisplay,mRootWin,0,0,vo_screenwidth,vo_screenheight,AllPlanes,ZPixmap );
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bpp=mXImage->bits_per_pixel;
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if((vo_depthonscreen+7)/8 != (bpp+7)/8) vo_depthonscreen=bpp; // by A'rpi
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mask=mXImage->red_mask|mXImage->green_mask|mXImage->blue_mask;
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if(((vo_depthonscreen+7)/8)==2){
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if(mask==0x7FFF) vo_depthonscreen=15; else
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if(mask==0xFFFF) vo_depthonscreen=16;
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}
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printf("X11 running at %d x %d, %d bpp \n",vo_screenwidth,vo_screenheight,vo_depthonscreen);
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mPixmap=XCreatePixmap(mDisplay,mRootWin,vo_screenwidth,vo_screenheight,depth);
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{ XGCValues xgcv;
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vo_gc=XCreateGC( mDisplay,mRootWin,0L,&xgcv );
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}
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if(argc<2){ printf("no filenames!\n");return;}
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srand(time(NULL));
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while(1){
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FILE *f;
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char* data;
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int len;
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int ret;
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namecnt=1+(long long)rand()*(argc-1)/RAND_MAX;
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//++namecnt; if(namecnt>=argc) namecnt=1;
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if(namecnt<1 || namecnt>=argc) continue; // ???
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f=fopen(argv[namecnt],"rb");if(!f) continue;
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fseek(f,0,SEEK_END); len=ftell(f); fseek(f,0,SEEK_SET);
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data=malloc(len);
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len=fread(data,1,len,f);
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fclose(f);
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ret=decode_jpeg(data,len,mXImage->data,vo_screenwidth,vo_screenheight,
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((vo_depthonscreen+7)/8)*vo_screenwidth,vo_depthonscreen);
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free(data);
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if(!ret) continue; // failed to load
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XPutImage( mDisplay,mPixmap,vo_gc,mXImage,
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0,0, 0,0, vo_screenwidth,vo_screenheight);
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XSetWindowBackgroundPixmap(mDisplay,mRootWin,mPixmap);
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XClearWindow(mDisplay,mRootWin);
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XSync(mDisplay, True);
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break; // DONE!
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}
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}
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