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mpv/libvo/vo_xv.c

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/*
* vo_xv.c, X11 Xv interface
*
* Copyright (C) 1996, MPEG Software Simulation Group. All Rights Reserved.
*
* Hacked into mpeg2dec by
*
* Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
*
* Xv image suuport by Gerd Knorr <kraxel@goldbach.in-berlin.de>
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "config.h"
#include "video_out.h"
#include "video_out_internal.h"
LIBVO_EXTERN(xv)
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/extensions/XShm.h>
#include <errno.h>
#include "x11_common.h"
static vo_info_t vo_info =
{
"X11/Xv",
"xv",
"Gerd Knorr <kraxel@goldbach.in-berlin.de>",
""
};
/* since it doesn't seem to be defined on some platforms */
int XShmGetEventBase(Display*);
/* local data */
static unsigned char *ImageData;
/* X11 related variables */
static Display *mydisplay;
static Window mywindow;
static GC mygc;
static XImage *myximage;
static int depth, bpp, mode;
static XWindowAttributes attribs;
#include <X11/extensions/Xv.h>
#include <X11/extensions/Xvlib.h>
// FIXME: dynamically allocate this stuff
static void allocate_xvimage(int);
static unsigned int ver,rel,req,ev,err;
static unsigned int formats, adaptors,i,xv_port,xv_format;
static XvAdaptorInfo *ai;
static XvImageFormatValues *fo;
static XvImage *xvimage[1];
#include <sys/ipc.h>
#include <sys/shm.h>
#include <X11/extensions/XShm.h>
static int Shmem_Flag;
static int Quiet_Flag;
static XShmSegmentInfo Shminfo[1];
static int gXErrorFlag;
static int CompletionType = -1;
static uint32_t image_width;
static uint32_t image_height;
static uint32_t image_format;
static Window mRoot;
static uint32_t drwX,drwY,drwWidth,drwHeight,drwBorderWidth,drwDepth;
static uint32_t drwcX,drwcY,dwidth,dheight,mFullscreen;
/*
* connect to server, create and map window,
* allocate colors and (shared) memory
*/
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;
char *hello = (title == NULL) ? "Xv render" : title;
char *name = ":0.0";
XSizeHints hint;
XVisualInfo vinfo;
XEvent xev;
XGCValues xgcv;
XSetWindowAttributes xswa;
unsigned long xswamask;
image_height = height;
image_width = width;
image_format=format;
mFullscreen=fullscreen;
dwidth=d_width; dheight=d_height;
if(getenv("DISPLAY")) name = getenv("DISPLAY");
mydisplay = XOpenDisplay(name);
if (mydisplay == NULL)
{
fprintf(stderr,"Can't open display\n");
return -1;
}
screen = DefaultScreen(mydisplay);
hint.x = 0;
hint.y = 0;
hint.width = image_width;
hint.height = image_height;
if ( fullscreen )
{
hint.width=vo_screenwidth;
hint.height=vo_screenheight;
}
hint.flags = PPosition | PSize;
XGetWindowAttributes(mydisplay, DefaultRootWindow(mydisplay), &attribs);
depth=attribs.depth;
if (depth != 15 && depth != 16 && depth != 24 && depth != 32) depth = 24;
XMatchVisualInfo(mydisplay, screen, depth, TrueColor, &vinfo);
xswa.background_pixel = 0;
xswa.border_pixel = 0;
xswamask = CWBackPixel | CWBorderPixel;
mywindow = XCreateWindow(mydisplay, RootWindow(mydisplay,screen),
hint.x, hint.y, hint.width, hint.height,
0, depth,CopyFromParent,vinfo.visual,xswamask,&xswa);
XSelectInput(mydisplay, mywindow, StructureNotifyMask | KeyPressMask );
XSetStandardProperties(mydisplay, mywindow, hello, hello, None, NULL, 0, &hint);
if ( fullscreen ) vo_x11_decoration( mydisplay,mywindow,0 );
XMapWindow(mydisplay, mywindow);
XFlush(mydisplay);
XSync(mydisplay, False);
mygc = XCreateGC(mydisplay, mywindow, 0L, &xgcv);
xv_port = 0;
if (Success == XvQueryExtension(mydisplay,&ver,&rel,&req,&ev,&err))
{
/* check for Xvideo support */
if (Success != XvQueryAdaptors(mydisplay,DefaultRootWindow(mydisplay), &adaptors,&ai))
{
fprintf(stderr,"Xv: XvQueryAdaptors failed");
return -1;
}
/* check adaptors */
for (i = 0; i < adaptors; i++)
{
if ((ai[i].type & XvInputMask) && (ai[i].type & XvImageMask) && (xv_port == 0)) xv_port = ai[i].base_id;
}
/* check image formats */
if (xv_port != 0)
{
fo = XvListImageFormats(mydisplay, xv_port, (int*)&formats);
xv_format=0;
for(i = 0; i < formats; i++)
{
fprintf(stderr, "Xvideo image format: 0x%x (%4.4s) %s\n", fo[i].id,(char*)&fo[i].id, (fo[i].format == XvPacked) ? "packed" : "planar");
if (fo[i].id == format)
{
xv_format = fo[i].id;
}
}
if (!xv_format) xv_port = 0;
}
if (xv_port != 0)
{
fprintf( stderr,"using Xvideo port %d for hw scaling\n",xv_port );
allocate_xvimage(0);
XGetGeometry( mydisplay,mywindow,&mRoot,&drwX,&drwY,&drwWidth,&drwHeight,&drwBorderWidth,&drwDepth );
drwX=0; drwY=0;
XTranslateCoordinates( mydisplay,mywindow,mRoot,0,0,&drwcX,&drwcY,&mRoot );
fprintf( stderr,"[xv] dcx: %d dcy: %d dx: %d dy: %d dw: %d dh: %d\n",drwcX,drwcY,drwX,drwY,drwWidth,drwHeight );
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);
fprintf( stderr,"[xv-fs] dcx: %d dcy: %d dx: %d dy: %d dw: %d dh: %d\n",drwcX,drwcY,drwX,drwY,drwWidth,drwHeight );
}
return 0;
}
}
printf("Sorry, Xv not supported by this X11 version/driver\n");
printf("******** Try with -vo x11 or -vo sdl *********\n");
return 1;
}
static const vo_info_t * get_info(void)
{ return &vo_info; }
static void allocate_xvimage(int foo)
{
/*
* allocate XvImages. FIXME: no error checking, without
* mit-shm this will bomb...
*/
xvimage[foo] = XvShmCreateImage(mydisplay, xv_port, xv_format, 0, image_width, image_height, &Shminfo[foo]);
Shminfo[foo].shmid = shmget(IPC_PRIVATE, xvimage[foo]->data_size, IPC_CREAT | 0777);
Shminfo[foo].shmaddr = (char *) shmat(Shminfo[foo].shmid, 0, 0);
Shminfo[foo].readOnly = False;
xvimage[foo]->data = Shminfo[foo].shmaddr;
XShmAttach(mydisplay, &Shminfo[foo]);
XSync(mydisplay, False);
shmctl(Shminfo[foo].shmid, IPC_RMID, 0);
memset(xvimage[foo]->data,128,xvimage[foo]->data_size);
return;
}
static void check_events(void)
{
int e=vo_x11_check_events(mydisplay);
if(e&VO_EVENT_RESIZE)
{
XGetGeometry( mydisplay,mywindow,&mRoot,&drwX,&drwY,&drwWidth,&drwHeight,&drwBorderWidth,&drwDepth );
drwX=0; drwY=0;
XTranslateCoordinates( mydisplay,mywindow,mRoot,0,0,&drwcX,&drwcY,&mRoot );
fprintf( stderr,"[xv] dcx: %d dcy: %d dx: %d dy: %d dw: %d dh: %d\n",drwcX,drwcY,drwX,drwY,drwWidth,drwHeight );
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);
fprintf( stderr,"[xv-fs] dcx: %d dcy: %d dx: %d dy: %d dw: %d dh: %d\n",drwcX,drwcY,drwX,drwY,drwWidth,drwHeight );
}
}
}
static void flip_page(void)
{
check_events();
XvShmPutImage(mydisplay, xv_port, mywindow, mygc, xvimage[0],
0, 0, image_width, image_height,
drwX,drwY,drwWidth,(mFullscreen?drwHeight - 1:drwHeight),
False);
XFlush(mydisplay);
return;
}
static uint32_t draw_slice(uint8_t *image[], int stride[], int w,int h,int x,int y)
{
uint8_t *src;
uint8_t *dst;
int i;
dst = xvimage[0]->data + image_width * y + x;
src = image[0];
if(w==stride[0] && w==image_width) memcpy(dst,src,w*h);
else
for(i=0;i<h;i++)
{
memcpy(dst,src,w);
src+=stride[0];
dst+=image_width;
}
x/=2;y/=2;w/=2;h/=2;
dst = xvimage[0]->data + image_width * image_height + image_width/2 * y + x;
src = image[2];
if(w==stride[2] && w==image_width/2) memcpy(dst,src,w*h);
else
for(i=0;i<h;i++)
{
memcpy(dst,src,w);
src+=stride[2];
dst+=image_width/2;
}
dst = xvimage[0]->data + image_width * image_height * 5 / 4 + image_width/2 * y + x;
src = image[1];
if(w==stride[1] && w==image_width/2) memcpy(dst,src,w*h);
else
for(i=0;i<h;i++)
{
memcpy(dst,src,w);
src+=stride[1];
dst+=image_width/2;
}
return 0;
}
static uint32_t draw_frame(uint8_t *src[])
{
int foo;
if(xv_format==IMGFMT_YUY2)
{
// YUY2 packed, flipped
#if 0
int i;
unsigned short *s=(unsigned short *)src[0];
unsigned short *d=(unsigned short *)xvimage[0]->data;
s+=image_width*image_height;
for(i=0;i<image_height;i++)
{
s-=image_width;
memcpy(d,s,image_width*2);
d+=image_width;
}
#else
memcpy(xvimage[0]->data,src[0],image_width*image_height*2);
#endif
}
else
{
// YV12 planar
memcpy(xvimage[0]->data,src[0],image_width*image_height);
memcpy(xvimage[0]->data+image_width*image_height,src[2],image_width*image_height/4);
memcpy(xvimage[0]->data+image_width*image_height*5/4,src[1],image_width*image_height/4);
}
return 0;
}
static uint32_t query_format(uint32_t format)
{
switch(format)
{
case IMGFMT_YV12:
case IMGFMT_YUY2: return 1;
}
return 0;
}
static void uninit(void) { }