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mpv/libvo/vo_xmga.c

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/*
* video_out_xmga.c
*
* Copyright (C) Zoltan Ponekker - Jan 2001
*
* This file is part of mpeg2dec, a free MPEG-2 video stream decoder.
*
* mpeg2dec is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* mpeg2dec is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Make; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "config.h"
#include "video_out.h"
#include "video_out_internal.h"
LIBVO_EXTERN( xmga )
#include <sys/ioctl.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/mman.h>
#include "drivers/mga_vid.h"
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <errno.h>
static vo_info_t vo_info =
{
"X11 (Matrox G200/G400 overlay in window using /dev/mga_vid)",
"xmga",
"Zoltan Ponekker <pontscho@makacs.poliod.hu>",
""
};
static mga_vid_config_t mga_vid_config;
static uint8_t * vid_data;
static uint8_t * frame0;
static uint8_t * frame1;
static int next_frame=0;
static int f;
static Display * mDisplay;
static Window mWindow;
static GC mGC;
static XGCValues wGCV;
static XImage * myximage;
static uint32_t mDepth, bpp, mode;
static XWindowAttributes attribs;
static uint32_t X_already_started=0;
static uint32_t wndHeight;
static uint32_t wndWidth;
static uint32_t wndX;
static uint32_t wndY;
static uint32_t fgColor;
static uint32_t mvHeight;
static uint32_t mvWidth;
static Window mRoot;
static uint32_t drwX,drwY,drwWidth,drwHeight,drwBorderWidth,drwDepth;
static uint32_t drwcX,drwcY,dwidth,dheight,mFullscreen;
static XSetWindowAttributes xWAttribs;
#include "mga_common.c"
static void mDrawColorKey( void )
{
XClearWindow( mDisplay,mWindow );
XSetForeground( mDisplay,mGC,fgColor );
XFillRectangle( mDisplay,mWindow,mGC,drwX,drwY,drwWidth,(mFullscreen?drwHeight - 1:drwHeight) );
XFlush( mDisplay );
}
static Bool mEvents( Display * display,XEvent * Event,XPointer arg )
{
int i;
char buf[100];
KeySym keySym;
XComposeStatus stat;
unsigned long vo_KeyTable[512];
switch( Event->type )
{
case Expose:
mDrawColorKey();
break;
case ConfigureNotify:
XGetGeometry( mDisplay,mWindow,&mRoot,&drwX,&drwY,&drwWidth,&drwHeight,&drwBorderWidth,&drwDepth );
drwX=0; drwY=0;
XTranslateCoordinates( mDisplay,mWindow,mRoot,0,0,&drwcX,&drwcY,&mRoot );
if ( mFullscreen )
{
drwX=( vo_screenwidth - (dwidth > vo_screenwidth?vo_screenwidth:dwidth) ) / 2;
drwcX=drwX;
drwY=( vo_screenheight - (dheight > vo_screenheight?vo_screenheight:dheight) ) / 2;
drwcY=drwY;
drwWidth=(dwidth > vo_screenwidth?vo_screenwidth:dwidth);
drwHeight=(dheight > vo_screenheight?vo_screenheight:dheight);
}
mDrawColorKey();
mga_vid_config.x_org=drwcX;
mga_vid_config.y_org=drwcY;
mga_vid_config.dest_width=drwWidth;
mga_vid_config.dest_height=drwHeight;
fprintf( stderr,"[xmga] dcx: %d dcy: %d dx: %d dy: %d dw: %d dh: %d\n",drwcX,drwcY,drwX,drwY,drwWidth,drwHeight );
if ( ioctl( f,MGA_VID_CONFIG,&mga_vid_config ) )
{
fprintf( stderr,"Error in mga_vid_config ioctl" );
exit( 0 );
}
break;
case KeyPress:
XLookupString( &Event->xkey,buf,sizeof(buf),&keySym,&stat );
vo_keyboard( ( (keySym&0xff00) != 0?( (keySym&0x00ff) + 256 ):( keySym ) ) );
break;
}
return 0;
}
static XEvent mEvent;
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 )
{
char * frame_mem;
uint32_t frame_size;
int mScreen;
unsigned int fg, bg;
char * mTitle=(title == NULL) ? "XMGA render" : title;
char * name=":0.0";
XSizeHints hint;
XVisualInfo vinfo;
XEvent xev;
XGCValues xgcv;
unsigned long xswamask;
f=open( "/dev/mga_vid",O_RDWR );
if ( f == -1 )
{
fprintf(stderr,"Couldn't open /dev/mga_vid\n");
return(-1);
}
switch(format)
{
case IMGFMT_YV12: mga_vid_config.format=MGA_VID_FORMAT_YV12; break;
case IMGFMT_YUY2: mga_vid_config.format=MGA_VID_FORMAT_YUY2; break;
default: fprintf(stderr,"mga: invalid output format %0X\n",format); return (-1);
}
if ( X_already_started ) return -1;
vo_init();
if ( getenv( "DISPLAY" ) ) name=getenv( "DISPLAY" );
mDisplay=XOpenDisplay(name);
if ( mDisplay == NULL )
{
fprintf( stderr,"Can not open display\n" );
return -1;
}
mScreen=DefaultScreen( mDisplay );
mvWidth=width; mvHeight=height;
wndX=0; wndY=0;
wndWidth=d_width; wndHeight=d_height;
dwidth=d_width; dheight=d_height;
mFullscreen=fullscreen;
if ( fullscreen )
{
wndWidth=vo_screenwidth;
wndHeight=vo_screenheight;
}
XGetWindowAttributes( mDisplay,DefaultRootWindow( mDisplay ),&attribs );
mDepth=attribs.depth;
if ( mDepth != 15 && mDepth != 16 && mDepth != 24 && mDepth != 32 ) mDepth=24;
XMatchVisualInfo( mDisplay,mScreen,mDepth,TrueColor,&vinfo );
xWAttribs.colormap=XCreateColormap( mDisplay,RootWindow( mDisplay,mScreen ),vinfo.visual,AllocNone );
switch ( vo_depthonscreen )
{
case 32:
case 24: fgColor=0x00ff00ffL; break;
case 16: fgColor=0xf81fL; break;
case 15: fgColor=0x7c1fL; break;
default: fprintf( stderr,"Sorry, this (%d) color depth not supported.\n",vo_depthonscreen ); return -1;
}
xWAttribs.background_pixel=0;
xWAttribs.border_pixel=0;
xWAttribs.event_mask=StructureNotifyMask | ExposureMask | KeyPressMask;
xswamask=CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
mWindow=XCreateWindow( mDisplay,RootWindow( mDisplay,mScreen ),
wndX,wndY,
wndWidth,wndHeight,
xWAttribs.border_pixel,
mDepth,
InputOutput,
vinfo.visual,xswamask,&xWAttribs );
if ( fullscreen ) vo_decoration( mDisplay,mWindow,0 );
XGetNormalHints( mDisplay,mWindow,&hint );
hint.x=wndX; hint.y=wndY;
hint.width=wndWidth; hint.height=wndHeight;
hint.base_width=wndWidth; hint.base_height=wndHeight;
hint.flags=USPosition | USSize;
XSetNormalHints( mDisplay,mWindow,&hint );
XStoreName( mDisplay,mWindow,mTitle );
mGC=XCreateGC( mDisplay,mWindow,GCForeground,&wGCV );
XMapWindow( mDisplay,mWindow );
XGetGeometry( mDisplay,mWindow,&mRoot,&drwX,&drwY,&drwWidth,&drwHeight,&drwBorderWidth,&drwDepth );
drwX=0; drwY=0; drwWidth=wndWidth; drwHeight=wndHeight;
XTranslateCoordinates( mDisplay,mWindow,mRoot,0,0,&drwcX,&drwcY,&mRoot );
if ( fullscreen )
{
drwX=( vo_screenwidth - (dwidth > vo_screenwidth?vo_screenwidth:dwidth) ) / 2;
drwcX=drwX;
drwY=( vo_screenheight - (dheight > vo_screenheight?vo_screenheight:dheight) ) / 2;
drwcY=drwY;
drwWidth=(dwidth > vo_screenwidth?vo_screenwidth:dwidth);
drwHeight=(dheight > vo_screenheight?vo_screenheight:dheight);
}
mDrawColorKey();
mga_vid_config.src_width=width;
mga_vid_config.src_height=height;
mga_vid_config.x_org=drwcX;
mga_vid_config.y_org=drwcY;
mga_vid_config.dest_width=drwWidth;
mga_vid_config.dest_height=drwHeight;
fprintf( stderr,"[xmga] dcx: %d dcy: %d dx: %d dy: %d dw: %d dh: %d\n",drwcX,drwcY,drwX,drwY,drwWidth,drwHeight );
mga_vid_config.colkey_on=1;
mga_vid_config.colkey_red=255;
mga_vid_config.colkey_green=0;
mga_vid_config.colkey_blue=255;
#if 1
if ( ioctl( f,MGA_VID_CONFIG,&mga_vid_config ) )
{
fprintf( stderr,"Error in mga_vid_config ioctl" );
return -1;
}
ioctl( f,MGA_VID_ON,0 );
#endif
frame_size=( ( width + 31 ) & ~31 ) * height + ( ( ( width + 31 ) & ~31 ) * height ) / 2;
frame_mem=(char*)mmap( 0,frame_size*2,PROT_WRITE,MAP_SHARED,f,0 );
frame0=frame_mem;
frame1=frame_mem + frame_size;
vid_data=frame0;
next_frame=0;
memset( frame_mem,0x80,frame_size * 2 );
XFlush( mDisplay );
XSync( mDisplay,False );
// vo_initthread( mThread );
if((vo_eventhandler_pid=fork())==0){
XIfEvent( mDisplay,&mEvent,mEvents,NULL );
exit(0);
}
return 0;
}
static const vo_info_t* get_info( void )
{ return &vo_info; }
static void
uninit(void)
{
ioctl( f,MGA_VID_OFF,0 );
printf("vo: uninit!\n");
vo_kill_eventhandler();
}
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