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mpv/libvo/vo_x11.c

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C
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#define DISP
/*
* video_out_x11.c,X11 interface
*
*
* Copyright ( C ) 1996,MPEG Software Simulation Group. All Rights Reserved.
*
* Hacked into mpeg2dec by
*
* Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
*
* 15 & 16 bpp support added by Franck Sicard <Franck.Sicard@solsoft.fr>
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <signal.h>
#include "config.h"
#include "video_out.h"
#include "video_out_internal.h"
LIBVO_EXTERN( x11 )
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/extensions/XShm.h>
#ifdef HAVE_XF86VM
#include <X11/extensions/xf86vmode.h>
#endif
#include <errno.h>
#include "yuv2rgb.h"
#include "x11_common.h"
static vo_info_t vo_info =
{
"X11 ( XImage/Shm )",
"x11",
"Aaron Holtzman <aholtzma@ess.engr.uvic.ca>",
""
};
/* private prototypes */
static void Display_Image ( XImage * myximage,unsigned char *ImageData );
/* since it doesn't seem to be defined on some platforms */
int XShmGetEventBase( Display* );
/* local data */
static unsigned char *ImageData;
#ifdef HAVE_XF86VM
XF86VidModeModeInfo **vidmodes=NULL;
#endif
/* X11 related variables */
static Display *mDisplay;
static Window mywindow;
static GC mygc;
static XImage *myximage;
static int depth,bpp,mode;
static XWindowAttributes attribs;
static int X_already_started=0;
//static int vo_dwidth,vo_dheight;
#define SH_MEM
#ifdef SH_MEM
#include <sys/ipc.h>
#include <sys/shm.h>
#include <X11/extensions/XShm.h>
//static int HandleXError _ANSI_ARGS_( ( Display * dpy,XErrorEvent * event ) );
static void InstallXErrorHandler ( void );
static void DeInstallXErrorHandler ( void );
static int Shmem_Flag;
static int Quiet_Flag;
static XShmSegmentInfo Shminfo[1];
static int gXErrorFlag;
static int CompletionType=-1;
static void InstallXErrorHandler()
{
//XSetErrorHandler( HandleXError );
XFlush( mDisplay );
}
static void DeInstallXErrorHandler()
{
XSetErrorHandler( NULL );
XFlush( mDisplay );
}
#endif
static uint32_t image_width;
static uint32_t image_height;
static uint32_t image_format;
static void check_events(){
int e=vo_x11_check_events(mDisplay);
}
static uint32_t init( uint32_t width,uint32_t height,uint32_t d_width,uint32_t d_height,uint32_t fullscreen,char *title,uint32_t format )
{
int screen;
unsigned int fg,bg;
char *hello=( title == NULL ) ? "X11 render" : title;
char *name=":0.0";
XSizeHints hint;
XVisualInfo vinfo;
XEvent xev;
XGCValues xgcv;
Colormap theCmap;
XSetWindowAttributes xswa;
unsigned long xswamask;
image_height=height;
image_width=width;
image_format=format;
if ( X_already_started ) return -1;
if( !vo_init() ) return 0; // Can't open X11
if( getenv( "DISPLAY" ) ) name=getenv( "DISPLAY" );
mDisplay=XOpenDisplay( name );
if ( mDisplay == NULL )
{
fprintf( stderr,"Can not open display\n" );
return -1;
}
screen=DefaultScreen( mDisplay );
hint.x=0;
hint.y=0;
hint.width=image_width;
hint.height=image_height;
#ifdef HAVE_XF86VM
if (fullscreen) {
unsigned int modeline_width, modeline_height, vm_event, vm_error;
unsigned int vm_ver, vm_rev;
int i,j,k,have_vm=0,X,Y;
int modecount;
if (XF86VidModeQueryExtension(mDisplay, &vm_event, &vm_error)) {
XF86VidModeQueryVersion(mDisplay, &vm_ver, &vm_rev);
printf("XF86VidMode Extension v%i.%i\n", vm_ver, vm_rev);
have_vm=1;
} else
printf("XF86VidMode Extenstion not available.\n");
if (have_vm) {
if (vidmodes==NULL)
XF86VidModeGetAllModeLines(mDisplay,screen,&modecount,&vidmodes);
j=0;
modeline_width=vidmodes[0]->hdisplay;
modeline_height=vidmodes[0]->vdisplay;
if ((d_width==0) && (d_height==0))
{ X=image_width; Y=image_height; }
else
{ X=d_width; Y=d_height; }
for (i=1; i<modecount; i++)
if ((vidmodes[i]->hdisplay >= X) && (vidmodes[i]->vdisplay >= Y))
if ( (vidmodes[i]->hdisplay < modeline_width ) && (vidmodes[i]->vdisplay < modeline_height) )
{
modeline_width=vidmodes[i]->hdisplay;
modeline_height=vidmodes[i]->vdisplay;
j=i;
}
printf("XF86VM: Selected video mode %dx%d for image size %dx%d.\n",modeline_width, modeline_height, image_width, image_height);
XF86VidModeLockModeSwitch(mDisplay,screen,0);
XF86VidModeSwitchToMode(mDisplay,screen,vidmodes[j]);
XF86VidModeSwitchToMode(mDisplay,screen,vidmodes[j]);
X=(vo_screenwidth-modeline_width)/2;
Y=(vo_screenheight-modeline_height)/2;
XF86VidModeSetViewPort(mDisplay,screen,X,Y);
}
}
#endif
if ( fullscreen )
{
hint.width=vo_screenwidth;
hint.height=vo_screenheight;
}
vo_dwidth=hint.width;
vo_dheight=hint.height;
hint.flags=PPosition | PSize;
bg=WhitePixel( mDisplay,screen );
fg=BlackPixel( mDisplay,screen );
XGetWindowAttributes( mDisplay,DefaultRootWindow( mDisplay ),&attribs );
depth=attribs.depth;
if ( depth != 15 && depth != 16 && depth != 24 && depth != 32 ) depth=24;
XMatchVisualInfo( mDisplay,screen,depth,TrueColor,&vinfo );
theCmap =XCreateColormap( mDisplay,RootWindow( mDisplay,screen ),
vinfo.visual,AllocNone );
xswa.background_pixel=0;
xswa.border_pixel=1;
xswa.colormap=theCmap;
xswamask=CWBackPixel | CWBorderPixel |CWColormap;
mywindow=XCreateWindow( mDisplay,RootWindow( mDisplay,screen ),
hint.x,hint.y,
hint.width,hint.height,
xswa.border_pixel,depth,CopyFromParent,vinfo.visual,xswamask,&xswa );
if ( fullscreen ) vo_x11_decoration( mDisplay,mywindow,0 );
XSelectInput( mDisplay,mywindow,StructureNotifyMask );
XSetStandardProperties( mDisplay,mywindow,hello,hello,None,NULL,0,&hint );
XMapWindow( mDisplay,mywindow );
do { XNextEvent( mDisplay,&xev ); } while ( xev.type != MapNotify || xev.xmap.event != mywindow );
XSelectInput( mDisplay,mywindow,NoEventMask );
XFlush( mDisplay );
XSync( mDisplay,False );
mygc=XCreateGC( mDisplay,mywindow,0L,&xgcv );
#ifdef SH_MEM
if ( XShmQueryExtension( mDisplay ) ) Shmem_Flag=1;
else
{
Shmem_Flag=0;
if ( !Quiet_Flag ) fprintf( stderr,"Shared memory not supported\nReverting to normal Xlib\n" );
}
if ( Shmem_Flag ) CompletionType=XShmGetEventBase( mDisplay ) + ShmCompletion;
InstallXErrorHandler();
if ( Shmem_Flag )
{
myximage=XShmCreateImage( mDisplay,vinfo.visual,depth,ZPixmap,NULL,&Shminfo[0],width,image_height );
if ( myximage == NULL )
{
if ( myximage != NULL ) XDestroyImage( myximage );
if ( !Quiet_Flag ) fprintf( stderr,"Shared memory error,disabling ( Ximage error )\n" );
goto shmemerror;
}
Shminfo[0].shmid=shmget( IPC_PRIVATE,
myximage->bytes_per_line * myximage->height ,
IPC_CREAT | 0777 );
if ( Shminfo[0].shmid < 0 )
{
XDestroyImage( myximage );
if ( !Quiet_Flag )
{
printf( "%s\n",strerror( errno ) );
perror( strerror( errno ) );
fprintf( stderr,"Shared memory error,disabling ( seg id error )\n" );
}
goto shmemerror;
}
Shminfo[0].shmaddr=( char * ) shmat( Shminfo[0].shmid,0,0 );
if ( Shminfo[0].shmaddr == ( ( char * ) -1 ) )
{
XDestroyImage( myximage );
if ( Shminfo[0].shmaddr != ( ( char * ) -1 ) ) shmdt( Shminfo[0].shmaddr );
if ( !Quiet_Flag ) fprintf( stderr,"Shared memory error,disabling ( address error )\n" );
goto shmemerror;
}
myximage->data=Shminfo[0].shmaddr;
ImageData=( unsigned char * ) myximage->data;
Shminfo[0].readOnly=False;
XShmAttach( mDisplay,&Shminfo[0] );
XSync( mDisplay,False );
if ( gXErrorFlag )
{
XDestroyImage( myximage );
shmdt( Shminfo[0].shmaddr );
if ( !Quiet_Flag ) fprintf( stderr,"Shared memory error,disabling.\n" );
gXErrorFlag=0;
goto shmemerror;
}
else
shmctl( Shminfo[0].shmid,IPC_RMID,0 );
if ( !Quiet_Flag ) fprintf( stderr,"Sharing memory.\n" );
}
else
{
shmemerror:
Shmem_Flag=0;
#endif
myximage=XGetImage( mDisplay,mywindow,0,0,
width,image_height,AllPlanes,ZPixmap );
ImageData=myximage->data;
#ifdef SH_MEM
}
DeInstallXErrorHandler();
#endif
bpp=myximage->bits_per_pixel;
fprintf( stderr,"X11 color mask: R:%X G:%X B:%X\n",myximage->red_mask,myximage->green_mask,myximage->blue_mask );
// If we have blue in the lowest bit then obviously RGB
mode=( ( myximage->blue_mask & 0x01 ) != 0 ) ? MODE_RGB : MODE_BGR;
#ifdef WORDS_BIGENDIAN
if ( myximage->byte_order != MSBFirst )
#else
if ( myximage->byte_order != LSBFirst )
#endif
{
fprintf( stderr,"No support fon non-native XImage byte order!\n" );
return -1;
}
if( format==IMGFMT_YV12 ) yuv2rgb_init( ( depth == 24 ) ? bpp : depth,mode );
XSelectInput( mDisplay,mywindow,StructureNotifyMask | KeyPressMask );
X_already_started++;
// vo_initthread( mThread );
return 0;
}
static const vo_info_t* get_info( void )
{ return &vo_info; }
static void Terminate_Display_Process( void )
{
getchar(); /* wait for enter to remove window */
#ifdef SH_MEM
if ( Shmem_Flag )
{
XShmDetach( mDisplay,&Shminfo[0] );
XDestroyImage( myximage );
shmdt( Shminfo[0].shmaddr );
}
#endif
XDestroyWindow( mDisplay,mywindow );
XCloseDisplay( mDisplay );
X_already_started=0;
}
static void Display_Image( XImage *myximage,uint8_t *ImageData )
{
#ifdef DISP
#ifdef SH_MEM
if ( Shmem_Flag )
{
XShmPutImage( mDisplay,mywindow,mygc,myximage,
0,0,
( vo_dwidth - myximage->width ) / 2,( vo_dheight - myximage->height ) / 2,
myximage->width,myximage->height,True );
XFlush( mDisplay );
}
else
#endif
{
XPutImage( mDisplay,mywindow,mygc,myximage,
0,0,
( vo_dwidth - myximage->width ) / 2,( vo_dheight - myximage->height ) / 2,
myximage->width,myximage->height );
XFlush( mDisplay );
}
#endif
}
static void draw_alpha(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride){
int dbpp=( bpp+7 )/8;
int x,y;
for(y=0;y<h;y++){
uint8_t *dst = ImageData+ dbpp*((y+y0)*image_width+x0);
for(x=0;x<w;x++){
// dst[x]=(dst[x]*srca[x]+src[x]*(srca[x]^255))>>8;
if(srca[x]){
dst[0]=(dst[0]*(srca[x]^255)+src[x]*(srca[x]))>>8;
dst[1]=(dst[1]*(srca[x]^255)+src[x]*(srca[x]))>>8;
dst[2]=(dst[2]*(srca[x]^255)+src[x]*(srca[x]))>>8;
}
dst+=dbpp;
}
src+=stride;
srca+=stride;
}
}
static void flip_page( void ){
vo_draw_text(image_width,image_height,draw_alpha);
check_events();
Display_Image( myximage,ImageData );
}
static uint32_t draw_slice( uint8_t *src[],int stride[],int w,int h,int x,int y )
{
uint8_t *dst;
dst=ImageData + ( image_width * y + x ) * ( bpp/8 );
yuv2rgb( dst,src[0],src[1],src[2],w,h,image_width*( bpp/8 ),stride[0],stride[1] );
return 0;
}
void rgb15to16_mmx( char* s0,char* d0,int count );
#if 1
static uint32_t draw_frame( uint8_t *src[] )
{
if( image_format==IMGFMT_YV12 )
{
yuv2rgb( ImageData,src[0],src[1],src[2],image_width,image_height,image_width*( bpp/8 ),image_width,image_width/2 );
}
else
{
int sbpp=( ( image_format&0xFF )+7 )/8;
int dbpp=( bpp+7 )/8;
char *d=ImageData;
char *s=src[0];
//printf( "sbpp=%d dbpp=%d depth=%d bpp=%d\n",sbpp,dbpp,depth,bpp );
#if 0
// flipped BGR
int i;
//printf( "Rendering flipped BGR frame bpp=%d src=%d dst=%d\n",bpp,sbpp,dbpp );
s+=sbpp*image_width*image_height;
for( i=0;i<image_height;i++ )
{
s-=sbpp*image_width;
if( sbpp==dbpp ) memcpy( d,s,sbpp*image_width );
else
{
char *s2=s;
char *d2=d;
char *e=s2+sbpp*image_width;
while( s2<e )
{
d2[0]=s2[0];
d2[1]=s2[1];
d2[2]=s2[2];
s2+=sbpp;d2+=dbpp;
}
}
d+=dbpp*image_width;
}
#else
// memcpy( ImageData,src[0],image_width*image_height*bpp );
if( sbpp==dbpp )
{
//Display_Image( myximage,s );return 0;
#if 1
if( depth==16 && image_format==( IMGFMT_BGR|15 ) ){
// do 15bpp->16bpp
#ifdef HAVE_MMX
rgb15to16_mmx( s,d,2*image_width*image_height );
#else
unsigned short *s1=( unsigned short * )s;
unsigned short *d1=( unsigned short * )d;
unsigned short *e=s1+image_width*image_height;
while( s1<e )
{
register int x=*( s1++ );
// rrrrrggggggbbbbb
// 0rrrrrgggggbbbbb
// 0111 1111 1110 0000=0x7FE0
// 00000000000001 1111=0x001F
*( d1++ )=( x&0x001F )|( ( x&0x7FE0 )<<1 );
}
#endif
}
else
#endif
{ memcpy( d,s,sbpp*image_width*image_height ); }
}
else
{
char *e=s+sbpp*image_width*image_height;
//printf( "libvo: using C 24->32bpp conversion\n" );
while( s<e )
{
d[0]=s[0];
d[1]=s[1];
d[2]=s[2];
s+=sbpp;d+=dbpp;
}
}
#endif
}
//Display_Image( myximage,ImageData );
return 0;
}
#endif
static uint32_t query_format( uint32_t format )
{
if( !vo_init() ) return 0; // Can't open X11
if( ( format&IMGFMT_BGR_MASK )==IMGFMT_BGR && ( format&0xFF )==vo_depthonscreen ) return 1;
switch( format )
{
case IMGFMT_YV12: return 1;
}
return 0;
}
static void
uninit(void)
{
#ifdef HAVE_XF86VM
if (vidmodes!=NULL)
{
int screen; screen=DefaultScreen( mDisplay );
XF86VidModeSwitchToMode(mDisplay,screen,vidmodes[0]);
XF86VidModeSwitchToMode(mDisplay,screen,vidmodes[0]);
free(vidmodes);
}
#endif
printf("vo: uninit!\n");
}
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