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mpv/libvo/vo_xv.c

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// Number of buffers _FOR_DOUBLEBUFFERING_MODE_
// Use option -double to enable double buffering! (default: single buffer)
#define NUM_BUFFERS 2
/*
* 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>
* fullscreen support by Pontscho
* double buffering support by A'rpi
*/
#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"
#include "fastmemcpy.h"
#include "sub.h"
#include "aspect.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 int current_buf=0;
static int num_buffers=1; // default
static XvImage* xvimage[NUM_BUFFERS];
#include <sys/ipc.h>
#include <sys/shm.h>
#include <X11/extensions/XShm.h>
static int Shmem_Flag;
static int Quiet_Flag;
static XShmSegmentInfo Shminfo[NUM_BUFFERS];
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;
#ifdef HAVE_NEW_GUI
static uint32_t mdwidth,mdheight;
#endif
static void (*draw_alpha_fnc)(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride);
static void draw_alpha_yv12(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride){
vo_draw_alpha_yv12(w,h,src,srca,stride,xvimage[current_buf]->data+image_width*y0+x0,image_width);
}
static void draw_alpha_yuy2(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride){
vo_draw_alpha_yuy2(w,h,src,srca,stride,xvimage[current_buf]->data+2*(image_width*y0+x0),2*image_width);
}
static void draw_alpha_uyvy(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride){
vo_draw_alpha_yuy2(w,h,src,srca,stride,xvimage[current_buf]->data+2*(image_width*y0+x0)+1,2*image_width);
}
static void draw_alpha_null(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride){
}
/*
* 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 flags, char *title, uint32_t format)
{
// int screen;
char *hello = (title == NULL) ? "Xv render" : title;
// char *name = ":0.0";
XSizeHints hint;
XVisualInfo vinfo;
XEvent xev;
XvPortID xv_p;
XGCValues xgcv;
XSetWindowAttributes xswa;
unsigned long xswamask;
aspect_save_orig(width,height);
aspect_save_prescale(d_width,d_height);
image_height = height;
image_width = width;
image_format=format;
#ifdef HAVE_NEW_GUI
mdwidth=width;
mdheight=height;
#endif
mFullscreen=flags&1;
num_buffers=vo_doublebuffering?NUM_BUFFERS:1;
if (!vo_init()) return -1;
aspect_save_screenres(vo_screenwidth,vo_screenheight);
#ifdef HAVE_NEW_GUI
if ( vo_window == None )
{
#endif
hint.x = 0;
hint.y = 0;
hint.width = d_width;
hint.height = d_height;
aspect(&d_width,&d_height,A_NOZOOM);
if ( mFullscreen )
{
hint.width=vo_screenwidth;
hint.height=vo_screenheight;
#ifdef X11_FULLSCREEN
/* this code replaces X11_FULLSCREEN hack in mplayer.c
* aspect() is available through aspect.h for all vos.
* besides zooming should only be done with -zoom,
* but I leave the old -fs behaviour so users don't get
* irritated for now (and send lots o' mails ;) ::atmos
*/
aspect(&d_width,&d_height,A_ZOOM);
#endif
}
dwidth=d_width; dheight=d_height; //XXX: what are the copy vars used for?
hint.flags = PPosition | PSize;
XGetWindowAttributes(mDisplay, DefaultRootWindow(mDisplay), &attribs);
depth=attribs.depth;
if (depth != 15 && depth != 16 && depth != 24 && depth != 32) depth = 24;
XMatchVisualInfo(mDisplay, mScreen, depth, TrueColor, &vinfo);
xswa.background_pixel = 0;
xswa.border_pixel = 0;
xswamask = CWBackPixel | CWBorderPixel;
mywindow = XCreateWindow(mDisplay, RootWindow(mDisplay,mScreen),
hint.x, hint.y, hint.width, hint.height,
0, depth,CopyFromParent,vinfo.visual,xswamask,&xswa);
vo_x11_classhint( mDisplay,mywindow,"xv" );
vo_hidecursor(mDisplay,mywindow);
XSelectInput(mDisplay, mywindow, StructureNotifyMask | KeyPressMask );
XSetStandardProperties(mDisplay, mywindow, hello, hello, None, NULL, 0, &hint);
if ( mFullscreen ) vo_x11_decoration( mDisplay,mywindow,0 );
XMapWindow(mDisplay, mywindow);
mygc = XCreateGC(mDisplay, mywindow, 0L, &xgcv);
XFlush(mDisplay);
XSync(mDisplay, False);
#ifdef HAVE_NEW_GUI
}
else
{
mywindow=vo_window;
mygc=vo_gc;
}
#endif
xv_port = 0;
if (Success == XvQueryExtension(mDisplay,&ver,&rel,&req,&ev,&err))
{
/* check for Xvideo support */
if (Success != XvQueryAdaptors(mDisplay,DefaultRootWindow(mDisplay), &adaptors,&ai))
{
printf("Xv: XvQueryAdaptors failed");
return -1;
}
/* check adaptors */
for (i = 0; i < adaptors && xv_port == 0; i++)
{
if ((ai[i].type & XvInputMask) && (ai[i].type & XvImageMask))
for (xv_p = ai[i].base_id; xv_p < ai[i].base_id+ai[i].num_ports; ++xv_p)
if (!XvGrabPort(mDisplay, xv_p, CurrentTime)) {
xv_port = xv_p;
break;
} else {
printf("Xv: could not grab port %i\n", (int)xv_p);
}
}
/* check image formats */
if (xv_port != 0)
{
fo = XvListImageFormats(mDisplay, xv_port, (int*)&formats);
xv_format=0;
for(i = 0; i < formats; i++)
{
printf("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)
{
printf( "using Xvideo port %d for hw scaling\n",xv_port );
switch (xv_format){
case IMGFMT_YV12:
case IMGFMT_I420:
case IMGFMT_IYUV: draw_alpha_fnc=draw_alpha_yv12; break;
case IMGFMT_YUY2:
case IMGFMT_YVYU: draw_alpha_fnc=draw_alpha_yuy2; break;
case IMGFMT_UYVY: draw_alpha_fnc=draw_alpha_uyvy; break;
default: draw_alpha_fnc=draw_alpha_null;
}
for(current_buf=0;current_buf<num_buffers;++current_buf)
allocate_xvimage(current_buf);
current_buf=0;
#ifdef HAVE_NEW_GUI
if ( vo_window != None )
{
mFullscreen=0;
dwidth=mdwidth; dheight=mdheight;
if ( ( vo_dwidth == vo_screenwidth )&&( vo_dheight == vo_screenheight ) )
{
mFullscreen=1;
dwidth=vo_screenwidth;
dheight=vo_screenwidth * mdheight / mdwidth;
}
}
#endif
XGetGeometry( mDisplay,mywindow,&mRoot,&drwX,&drwY,&drwWidth,&drwHeight,&drwBorderWidth,&drwDepth );
drwX=0; drwY=0;
XTranslateCoordinates( mDisplay,mywindow,mRoot,0,0,&drwcX,&drwcY,&mRoot );
printf( "[xv] dcx: %d dcy: %d dx: %d dy: %d dw: %d dh: %d\n",drwcX,drwcY,drwX,drwY,drwWidth,drwHeight );
aspect(&dwidth,&dheight,A_NOZOOM);
if ( mFullscreen )
{
aspect(&dwidth,&dheight,A_ZOOM);
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);
printf( "[xv-fs] dcx: %d dcy: %d dx: %d dy: %d dw: %d dh: %d\n",drwcX,drwcY,drwX,drwY,drwWidth,drwHeight );
}
#ifdef HAVE_NEW_GUI
if ( vo_window == None )
#endif
saver_off(mDisplay); // turning off screen saver
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(mDisplay, 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(mDisplay, &Shminfo[foo]);
XSync(mDisplay, False);
shmctl(Shminfo[foo].shmid, IPC_RMID, 0);
memset(xvimage[foo]->data,128,xvimage[foo]->data_size);
return;
}
static void deallocate_xvimage(int foo)
{
XShmDetach( mDisplay,&Shminfo[foo] );
shmdt( Shminfo[foo].shmaddr );
XFlush( mDisplay );
XSync(mDisplay, False);
return;
}
static void check_events(void)
{
int e=vo_x11_check_events(mDisplay);
if(e&VO_EVENT_RESIZE)
{
XGetGeometry( mDisplay,mywindow,&mRoot,&drwX,&drwY,&drwWidth,&drwHeight,&drwBorderWidth,&drwDepth );
drwX=0; drwY=0;
XTranslateCoordinates( mDisplay,mywindow,mRoot,0,0,&drwcX,&drwcY,&mRoot );
printf( "[xv] dcx: %d dcy: %d dx: %d dy: %d dw: %d dh: %d\n",drwcX,drwcY,drwX,drwY,drwWidth,drwHeight );
#ifdef HAVE_NEW_GUI
if ( vo_window != None )
{
mFullscreen=0;
dwidth=mdwidth; dheight=mdheight;
if ( ( vo_dwidth == vo_screenwidth )&&( vo_dheight == vo_screenheight ) )
{
mFullscreen=1;
dwidth=vo_screenwidth;
dheight=vo_screenwidth * mdheight / mdwidth;
}
}
#endif
aspect(&dwidth,&dheight,A_NOZOOM);
if ( mFullscreen )
{
aspect(&dwidth,&dheight,A_ZOOM);
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);
printf( "[xv-fs] dcx: %d dcy: %d dx: %d dy: %d dw: %d dh: %d\n",drwcX,drwcY,drwX,drwY,drwWidth,drwHeight );
}
}
if ( e & VO_EVENT_EXPOSE )
{
XvShmPutImage(mDisplay, xv_port, mywindow, mygc, xvimage[current_buf], 0, 0, image_width, image_height, drwX, drwY, 1, 1, False);
XvShmPutImage(mDisplay, xv_port, mywindow, mygc, xvimage[current_buf], 0, 0, image_width, image_height, drwX,drwY,drwWidth,(mFullscreen?drwHeight - 1:drwHeight), False);
}
}
static void draw_osd(void)
{ vo_draw_text(image_width,image_height,draw_alpha_fnc);}
static void flip_page(void)
{
XvShmPutImage(mDisplay, xv_port, mywindow, mygc, xvimage[current_buf],
0, 0, image_width, image_height,
drwX,drwY,drwWidth,(mFullscreen?drwHeight - 1:drwHeight),
False);
if (num_buffers>1){
current_buf=(current_buf+1)%num_buffers;
XFlush(mDisplay);
} else
XSync(mDisplay, False);
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[current_buf]->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[current_buf]->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[current_buf]->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;
switch (xv_format) {
case IMGFMT_YUY2:
case IMGFMT_UYVY:
case IMGFMT_YVYU:
// YUY2 packed, flipped
#if 0
int i;
unsigned short *s=(unsigned short *)src[0];
unsigned short *d=(unsigned short *)xvimage[current_buf]->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[current_buf]->data,src[0],image_width*image_height*2);
#endif
break;
case IMGFMT_YV12:
case IMGFMT_I420:
case IMGFMT_IYUV:
// YV12 planar
memcpy(xvimage[current_buf]->data,src[0],image_width*image_height);
memcpy(xvimage[current_buf]->data+image_width*image_height,src[2],image_width*image_height/4);
memcpy(xvimage[current_buf]->data+image_width*image_height*5/4,src[1],image_width*image_height/4);
break;
}
return 0;
}
static uint32_t query_format(uint32_t format)
{
// umm, this is a kludge, we need to ask the server.. (see init function above)
return 1;
/*
switch(format)
{
case IMGFMT_YV12:
case IMGFMT_YUY2:
return 1;
}
return 0;
*/
}
static void uninit(void)
{
int i;
#ifdef HAVE_NEW_GUI
if ( vo_window == None )
#endif
{
saver_on(mDisplay); // screen saver back on
XDestroyWindow( mDisplay,mywindow );
}
for( i=0;i<num_buffers;i++ ) deallocate_xvimage( i );
}
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