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mpv/libvo/vo_x11.c

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#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>
#ifdef HAVE_XF86VM
#include <X11/extensions/xf86vmode.h>
#endif
#include <errno.h>
#include "x11_common.h"
#include "fastmemcpy.h"
#include "sub.h"
#include "../postproc/swscale.h"
#include "../postproc/rgb2rgb.h"
#include "../mp_msg.h"
#ifdef HAVE_NEW_GUI
#include "../Gui/interface.h"
#include "../mplayer.h"
#endif
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 );
static void (*draw_alpha_fnc)(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride);
/* local data */
static unsigned char *ImageData;
/* X11 related variables */
static XImage *myximage = NULL;
static int depth,bpp,mode;
static XWindowAttributes attribs;
static int Flip_Flag;
static int zoomFlag;
#ifdef HAVE_SHM
#include <sys/ipc.h>
#include <sys/shm.h>
#include <X11/extensions/XShm.h>
static int Shmem_Flag;
//static int Quiet_Flag; Here also what is this for. It's used but isn't inited ?
static XShmSegmentInfo Shminfo[1];
static int gXErrorFlag;
static int CompletionType=-1;
/* since it doesn't seem to be defined on some platforms */
int XShmGetEventBase( Display* );
#endif
static uint32_t image_width;
static uint32_t image_height;
static uint32_t in_format;
static uint32_t out_format=0;
static int srcW=-1;
static int srcH=-1;
static int aspect; // 1<<16 based fixed point aspect, so that the aspect stays correct during resizing
static int old_vo_dwidth=-1;
static int old_vo_dheight=-1;
static void check_events(){
int ret = vo_x11_check_events(mDisplay);
/* clear the old window */
if ( (ret & VO_EVENT_RESIZE)||(ret & VO_EVENT_EXPOSE) )
{
XSetBackground(mDisplay, vo_gc, 0);
XClearWindow(mDisplay, vo_window);
}
}
static void draw_alpha_32(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride){
vo_draw_alpha_rgb32(w,h,src,srca,stride,ImageData+4*(y0*image_width+x0),4*image_width);
}
static void draw_alpha_24(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride){
vo_draw_alpha_rgb24(w,h,src,srca,stride,ImageData+3*(y0*image_width+x0),3*image_width);
}
static void draw_alpha_16(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride){
vo_draw_alpha_rgb16(w,h,src,srca,stride,ImageData+2*(y0*image_width+x0),2*image_width);
}
static void draw_alpha_15(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride){
vo_draw_alpha_rgb15(w,h,src,srca,stride,ImageData+2*(y0*image_width+x0),2*image_width);
}
static void draw_alpha_null(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride){
}
static SwsContext *swsContext=NULL;
extern int sws_flags;
static XVisualInfo vinfo;
static void getMyXImage()
{
#ifdef HAVE_SHM
if ( mLocalDisplay && XShmQueryExtension( mDisplay ) ) Shmem_Flag=1;
else
{
Shmem_Flag=0;
mp_msg(MSGT_VO,MSGL_WARN, "Shared memory not supported\nReverting to normal Xlib\n" );
}
if ( Shmem_Flag ) CompletionType=XShmGetEventBase( mDisplay ) + ShmCompletion;
if ( Shmem_Flag )
{
myximage=XShmCreateImage( mDisplay,vinfo.visual,depth,ZPixmap,NULL,&Shminfo[0],image_width,image_height );
if ( myximage == NULL )
{
if ( myximage != NULL ) XDestroyImage( myximage );
mp_msg(MSGT_VO,MSGL_WARN,"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 );
mp_msg(MSGT_VO,MSGL_V, "%s\n",strerror( errno ) );
//perror( strerror( errno ) );
mp_msg(MSGT_VO,MSGL_WARN,"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 );
mp_msg(MSGT_VO,MSGL_WARN, "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 );
mp_msg(MSGT_VO,MSGL_WARN, "Shared memory error,disabling.\n" );
gXErrorFlag=0;
goto shmemerror;
}
else
shmctl( Shminfo[0].shmid,IPC_RMID,0 );
{
static int firstTime=1;
if ( firstTime){
mp_msg(MSGT_VO,MSGL_V, "Sharing memory.\n" );
firstTime=0;
}
}
}
else
{
shmemerror:
Shmem_Flag=0;
#endif
myximage=XGetImage( mDisplay,vo_window,0,0,
image_width,image_height,AllPlanes,ZPixmap );
ImageData=myximage->data;
#ifdef HAVE_SHM
}
#endif
}
static void freeMyXImage()
{
#ifdef HAVE_SHM
if ( Shmem_Flag )
{
XShmDetach( mDisplay,&Shminfo[0] );
XDestroyImage( myximage );
shmdt( Shminfo[0].shmaddr );
}
else
#endif
{
XDestroyImage( myximage );
}
myximage=NULL;
}
static uint32_t config( uint32_t width,uint32_t height,uint32_t d_width,uint32_t d_height,uint32_t flags,char *title,uint32_t format)
{
// int screen;
int fullscreen=0;
int vm=0;
// int interval, prefer_blank, allow_exp, nothing;
unsigned int fg,bg;
XEvent xev;
XGCValues xgcv;
Colormap theCmap;
XSetWindowAttributes xswa;
unsigned long xswamask;
#ifdef HAVE_XF86VM
unsigned int modeline_width, modeline_height;
static uint32_t vm_width;
static uint32_t vm_height;
#endif
vo_mouse_autohide=1;
old_vo_dwidth=-1;
old_vo_dheight=-1;
if (!title)
title = strdup("MPlayer X11 (XImage/Shm) render");
in_format=format;
if(in_format==IMGFMT_I420 || in_format==IMGFMT_IYUV) in_format=IMGFMT_YV12;
srcW= width;
srcH= height;
vo_dx=( vo_screenwidth - d_width ) / 2; vo_dy=( vo_screenheight - d_height ) / 2;
vo_dwidth=d_width; vo_dheight=d_height;
if( flags&0x03 ) fullscreen = 1;
if( flags&0x02 ) vm = 1;
if( flags&0x08 ) Flip_Flag = 1;
zoomFlag = flags&0x04;
// if(!fullscreen) zoomFlag=1; //it makes no sense to avoid zooming on windowd mode
//printf( "w: %d h: %d\n\n",vo_dwidth,vo_dheight );
XGetWindowAttributes( mDisplay,mRootWin,&attribs );
depth=attribs.depth;
if ( depth != 15 && depth != 16 && depth != 24 && depth != 32 ) {
Visual *visual;
depth = vo_find_depth_from_visuals(mDisplay, mScreen, &visual);
}
XMatchVisualInfo( mDisplay,mScreen,depth,TrueColor,&vinfo );
/* set image size (which is indeed neither the input nor output size),
if zoom is on it will be changed during draw_slice anyway so we dont dupplicate the aspect code here
*/
image_width=(width + 7) & (~7);
image_height=height;
aspect= ((1<<16)*d_width + d_height/2)/d_height;
#ifdef HAVE_NEW_GUI
if(use_gui) guiGetEvent( guiSetShVideo,0 ); // the GUI will set up / resize the window
else
#endif
{
#ifdef HAVE_XF86VM
if ( vm )
{
if ((d_width==0) && (d_height==0))
{ vm_width=image_width; vm_height=image_height; }
else
{ vm_width=d_width; vm_height=d_height; }
vo_vm_switch(vm_width, vm_height,&modeline_width, &modeline_height);
vo_dx=(vo_screenwidth-modeline_width)/2;
vo_dy=(vo_screenheight-modeline_height)/2;
vo_dwidth=modeline_width;
vo_dheight=modeline_height;
}
#endif
bg=WhitePixel( mDisplay,mScreen );
fg=BlackPixel( mDisplay,mScreen );
theCmap=XCreateColormap( mDisplay,mRootWin,vinfo.visual,AllocNone );
xswa.background_pixel=0;
xswa.border_pixel=0;
xswa.colormap=theCmap;
xswamask=CWBackPixel | CWBorderPixel | CWColormap;
#ifdef HAVE_XF86VM
if ( vm )
{
xswa.override_redirect=True;
xswamask|=CWOverrideRedirect;
}
#endif
if ( WinID>=0 ){
vo_window = WinID ? ((Window)WinID) : mRootWin;
if ( WinID )
{
XUnmapWindow( mDisplay,vo_window );
XChangeWindowAttributes( mDisplay,vo_window,xswamask,&xswa );
vo_x11_selectinput_witherr( mDisplay,vo_window,StructureNotifyMask | KeyPressMask | PropertyChangeMask | PointerMotionMask | ButtonPressMask | ButtonReleaseMask | ExposureMask );
XMapWindow( mDisplay,vo_window );
} else XSelectInput( mDisplay,vo_window,ExposureMask );
}
else
{
if ( vo_window == None )
{
vo_window=XCreateWindow( mDisplay,mRootWin,
vo_dx,vo_dy,
vo_dwidth,vo_dheight,
xswa.border_pixel,depth,CopyFromParent,vinfo.visual,xswamask,&xswa );
vo_x11_classhint( mDisplay,vo_window,"x11" );
vo_hidecursor(mDisplay,vo_window);
vo_x11_sizehint( vo_dx,vo_dy,vo_dwidth,vo_dheight,0 );
XSelectInput( mDisplay,vo_window,StructureNotifyMask );
XStoreName( mDisplay,vo_window,title );
XMapWindow( mDisplay,vo_window );
// if(WinID!=0)
do { XNextEvent( mDisplay,&xev ); } while ( xev.type != MapNotify || xev.xmap.event != vo_window );
if ( fullscreen ) vo_x11_fullscreen();
#ifdef HAVE_XINERAMA
vo_x11_xinerama_move(mDisplay,vo_window);
#endif
} else if ( !fullscreen ) XMoveResizeWindow( mDisplay,vo_window,vo_dx,vo_dy,vo_dwidth,vo_dheight );
}
XFlush( mDisplay );
XSync( mDisplay,False );
// we cannot grab mouse events on root window :(
vo_x11_selectinput_witherr( mDisplay,vo_window,StructureNotifyMask | KeyPressMask | PropertyChangeMask | ExposureMask |
((WinID==0)?0:(ButtonPressMask | ButtonReleaseMask | PointerMotionMask)) );
#ifdef HAVE_XF86VM
if ( vm )
{
/* Grab the mouse pointer in our window */
if(vo_grabpointer)
XGrabPointer(mDisplay, vo_window, True, 0,
GrabModeAsync, GrabModeAsync,
vo_window, None, CurrentTime);
XSetInputFocus(mDisplay, vo_window, RevertToNone, CurrentTime);
}
#endif
}
if ( vo_gc != None ) XFreeGC( mDisplay,vo_gc );
vo_gc=XCreateGC( mDisplay,vo_window,0L,&xgcv );
if ( myximage )
{
freeMyXImage();
freeSwsContext(swsContext);
}
getMyXImage();
if ( !WinID )
{ vo_dwidth=vo_screenwidth; vo_dheight=vo_screenheight; }
switch ((bpp=myximage->bits_per_pixel)){
case 24: draw_alpha_fnc=draw_alpha_24;
out_format= IMGFMT_BGR24; break;
case 32: draw_alpha_fnc=draw_alpha_32;
out_format= IMGFMT_BGR32; break;
case 15:
case 16: if (depth==15){
draw_alpha_fnc=draw_alpha_15;
out_format= IMGFMT_BGR15;
}else{
draw_alpha_fnc=draw_alpha_16;
out_format= IMGFMT_BGR16;
}break;
case 8: draw_alpha_fnc=draw_alpha_null;
out_format= IMGFMT_BGR8; break;
default: draw_alpha_fnc=draw_alpha_null;
}
/* always allocate swsContext as size could change between frames */
swsContext= getSwsContextFromCmdLine(width, height, in_format, width, height, out_format );
//printf( "X11 bpp: %d color mask: R:%lX G:%lX B:%lX\n",bpp,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
{
mode=( ( myximage->blue_mask & 0x01 ) != 0 ) ? MODE_BGR : MODE_RGB;
// printf( "No support for non-native XImage byte order!\n" );
// return -1;
}
#ifdef WORDS_BIGENDIAN
if(mode==MODE_BGR && bpp!=32){
mp_msg(MSGT_VO,MSGL_ERR,"BGR%d not supported, please contact the developers\n", bpp);
return -1;
}
if(mode==MODE_RGB && bpp==32){
mp_msg(MSGT_VO,MSGL_ERR,"RGB32 not supported on big-endian systems, please contact the developers\n");
return -1;
}
#else
if(mode==MODE_BGR){
mp_msg(MSGT_VO,MSGL_ERR,"BGR not supported, please contact the developers\n");
return -1;
}
#endif
saver_off(mDisplay);
return 0;
}
static const vo_info_t* get_info( void )
{ return &vo_info; }
static void Display_Image( XImage *myximage,uint8_t *ImageData )
{
#ifdef HAVE_SHM
if ( Shmem_Flag )
{
XShmPutImage( mDisplay,vo_window,vo_gc,myximage,
0,0,
( vo_dwidth - swsContext->dstW ) / 2,( vo_dheight - myximage->height ) / 2,
swsContext->dstW,myximage->height,True );
}
else
#endif
{
XPutImage( mDisplay,vo_window,vo_gc,myximage,
0,0,
( vo_dwidth - swsContext->dstW ) / 2,( vo_dheight - myximage->height ) / 2,
swsContext->dstW,myximage->height);
}
}
static void draw_osd(void)
{ vo_draw_text(image_width,image_height,draw_alpha_fnc); }
static void flip_page( void ){
Display_Image( myximage,ImageData );
XSync(mDisplay, False);
}
static uint32_t draw_slice( uint8_t *src[],int stride[],int w,int h,int x,int y )
{
uint8_t *dst[3];
int dstStride[3];
if((old_vo_dwidth != vo_dwidth || old_vo_dheight != vo_dheight) /*&& y==0*/ && zoomFlag)
{
int newW= vo_dwidth;
int newH= vo_dheight;
int newAspect= (newW*(1<<16) + (newH>>1))/newH;
SwsContext *oldContext= swsContext;
if(newAspect>aspect) newW= (newH*aspect + (1<<15))>>16;
else newH= ((newW<<16) + (aspect>>1)) /aspect;
old_vo_dwidth= vo_dwidth;
old_vo_dheight= vo_dheight;
if(sws_flags==0) newW&= (~31); // not needed but, if the user wants the FAST_BILINEAR SCALER, then its needed
swsContext= getSwsContextFromCmdLine(srcW, srcH, in_format,
newW, newH, out_format);
if(swsContext)
{
image_width= (newW+7)&(~7);
image_height= newH;
freeMyXImage();
getMyXImage();
freeSwsContext(oldContext);
}
else
{
swsContext= oldContext;
}
}
dstStride[1]=
dstStride[2]=0;
dst[1]=
dst[2]=NULL;
if(Flip_Flag)
{
dstStride[0]= -image_width*((bpp+7)/8);
dst[0]=ImageData - dstStride[0]*(image_height-1);
swsContext->swScale(swsContext,src,stride,y,h,dst, dstStride);
}
else
{
dstStride[0]=image_width*((bpp+7)/8);
dst[0]=ImageData;
swsContext->swScale(swsContext,src,stride,y,h,dst, dstStride);
}
return 0;
}
static uint32_t draw_frame( uint8_t *src[] ){
#if 0
int stride[3]= {0,0,0};
if (in_format==IMGFMT_YUY2) stride[0]=srcW*2;
else if(in_format==IMGFMT_BGR8) stride[0]=srcW;
else if(in_format==IMGFMT_BGR15) stride[0]=srcW*2;
else if(in_format==IMGFMT_BGR16) stride[0]=srcW*2;
else if(in_format==IMGFMT_BGR24) stride[0]=srcW*3;
else if(in_format==IMGFMT_BGR32) stride[0]=srcW*4;
return draw_slice(src, stride, srcW, srcH, 0, 0);
#else
printf("draw_frame() called!!!!!!\n");
return -1;
#endif
}
static uint32_t get_image(mp_image_t *mpi)
{
if (zoomFlag ||
!IMGFMT_IS_BGR(mpi->imgfmt) ||
(IMGFMT_BGR_DEPTH(mpi->imgfmt) != vo_depthonscreen) ||
((mpi->type != MP_IMGTYPE_STATIC) && (mpi->type != MP_IMGTYPE_TEMP)) ||
(mpi->flags & MP_IMGFLAG_PLANAR) ||
(mpi->flags & MP_IMGFLAG_YUV) ||
(mpi->width != image_width) ||
(mpi->height != image_height)
)
return(VO_FALSE);
if (Flip_Flag)
{
mpi->stride[0] = -image_width*((bpp+7)/8);
mpi->planes[0] = ImageData - mpi->stride[0]*(image_height-1);
}
else
{
mpi->stride[0] = image_width*((bpp+7)/8);
mpi->planes[0] = ImageData;
}
mpi->flags |= MP_IMGFLAG_DIRECT;
return(VO_TRUE);
}
static uint32_t query_format( uint32_t format )
{
mp_msg(MSGT_VO,MSGL_DBG2,"vo_x11: query_format was called: %x (%s)\n",format,vo_format_name(format));
if (IMGFMT_IS_BGR(format))
{
if (IMGFMT_BGR_DEPTH(format) == 8)
return 0; // TODO 8bpp not yet fully implemented
if (IMGFMT_BGR_DEPTH(format) == vo_depthonscreen)
return 3|VFCAP_OSD|VFCAP_SWSCALE|VFCAP_FLIP|VFCAP_ACCEPT_STRIDE;
else
return 1|VFCAP_OSD|VFCAP_SWSCALE|VFCAP_FLIP|VFCAP_ACCEPT_STRIDE;
}
switch( format )
{
// case IMGFMT_BGR8:
// case IMGFMT_BGR15:
// case IMGFMT_BGR16:
// case IMGFMT_BGR24:
// case IMGFMT_BGR32:
// return 0x2;
// case IMGFMT_YUY2:
case IMGFMT_I420:
case IMGFMT_IYUV:
case IMGFMT_YV12:
return 1|VFCAP_OSD|VFCAP_SWSCALE|VFCAP_ACCEPT_STRIDE;
}
return 0;
}
static void uninit(void)
{
if(!myximage) return;
freeMyXImage();
saver_on(mDisplay); // screen saver back on
#ifdef HAVE_XF86VM
vo_vm_close(mDisplay);
#endif
zoomFlag=0;
vo_x11_uninit();
freeSwsContext(swsContext);
}
static uint32_t preinit(const char *arg)
{
if(arg)
{
mp_msg(MSGT_VO,MSGL_ERR,"vo_x11: Unknown subdevice: %s\n",arg);
return ENOSYS;
}
if( !vo_init() ) return -1; // Can't open X11
return 0;
}
static uint32_t control(uint32_t request, void *data, ...)
{
switch (request) {
case VOCTRL_QUERY_FORMAT:
return query_format(*((uint32_t*)data));
case VOCTRL_GUISUPPORT:
return VO_TRUE;
case VOCTRL_GET_IMAGE:
return get_image(data);
case VOCTRL_FULLSCREEN:
vo_x11_fullscreen();
return VO_TRUE;
}
return VO_NOTIMPL;
}
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