mirror of https://github.com/mpv-player/mpv
400 lines
10 KiB
C
400 lines
10 KiB
C
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/*
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* vo_xv.c, X11 Xv interface
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*
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* Copyright (C) 1996, MPEG Software Simulation Group. All Rights Reserved.
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*
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* Hacked into mpeg2dec by
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*
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* Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
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*
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* Xv image suuport by Gerd Knorr <kraxel@goldbach.in-berlin.de>
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "config.h"
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#include "video_out.h"
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#include "video_out_internal.h"
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LIBVO_EXTERN(xv)
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include <X11/extensions/XShm.h>
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#include <errno.h>
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#include "x11_common.h"
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#include "fastmemcpy.h"
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static vo_info_t vo_info =
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{
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"X11/Xv",
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"xv",
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"Gerd Knorr <kraxel@goldbach.in-berlin.de>",
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""
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};
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/* since it doesn't seem to be defined on some platforms */
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int XShmGetEventBase(Display*);
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/* local data */
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static unsigned char *ImageData;
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/* X11 related variables */
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static Display *mydisplay;
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static Window mywindow;
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static GC mygc;
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static XImage *myximage;
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static int depth, bpp, mode;
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static XWindowAttributes attribs;
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#include <X11/extensions/Xv.h>
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#include <X11/extensions/Xvlib.h>
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// FIXME: dynamically allocate this stuff
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static void allocate_xvimage(int);
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static unsigned int ver,rel,req,ev,err;
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static unsigned int formats, adaptors,i,xv_port,xv_format;
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static XvAdaptorInfo *ai;
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static XvImageFormatValues *fo;
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static XvImage *xvimage[1];
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#include <sys/ipc.h>
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#include <sys/shm.h>
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#include <X11/extensions/XShm.h>
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static int Shmem_Flag;
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static int Quiet_Flag;
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static XShmSegmentInfo Shminfo[1];
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static int gXErrorFlag;
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static int CompletionType = -1;
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static uint32_t image_width;
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static uint32_t image_height;
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static uint32_t image_format;
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static Window mRoot;
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static uint32_t drwX,drwY,drwWidth,drwHeight,drwBorderWidth,drwDepth;
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static uint32_t drwcX,drwcY,dwidth,dheight,mFullscreen;
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/*
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* connect to server, create and map window,
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* allocate colors and (shared) memory
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*/
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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)
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{
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int screen;
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char *hello = (title == NULL) ? "Xv render" : title;
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char *name = ":0.0";
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XSizeHints hint;
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XVisualInfo vinfo;
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XEvent xev;
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XGCValues xgcv;
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XSetWindowAttributes xswa;
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unsigned long xswamask;
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image_height = height;
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image_width = width;
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image_format=format;
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mFullscreen=fullscreen;
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dwidth=d_width; dheight=d_height;
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if(getenv("DISPLAY")) name = getenv("DISPLAY");
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mydisplay = XOpenDisplay(name);
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if (mydisplay == NULL)
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{
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fprintf(stderr,"Can't open display\n");
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return -1;
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}
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screen = DefaultScreen(mydisplay);
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hint.x = 0;
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hint.y = 0;
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hint.width = image_width;
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hint.height = image_height;
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if ( fullscreen )
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{
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hint.width=vo_screenwidth;
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hint.height=vo_screenheight;
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}
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hint.flags = PPosition | PSize;
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XGetWindowAttributes(mydisplay, DefaultRootWindow(mydisplay), &attribs);
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depth=attribs.depth;
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if (depth != 15 && depth != 16 && depth != 24 && depth != 32) depth = 24;
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XMatchVisualInfo(mydisplay, screen, depth, TrueColor, &vinfo);
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xswa.background_pixel = 0;
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xswa.border_pixel = 0;
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xswamask = CWBackPixel | CWBorderPixel;
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mywindow = XCreateWindow(mydisplay, RootWindow(mydisplay,screen),
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hint.x, hint.y, hint.width, hint.height,
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0, depth,CopyFromParent,vinfo.visual,xswamask,&xswa);
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vo_hidecursor(mydisplay,mywindow);
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XSelectInput(mydisplay, mywindow, StructureNotifyMask | KeyPressMask );
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XSetStandardProperties(mydisplay, mywindow, hello, hello, None, NULL, 0, &hint);
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if ( fullscreen ) vo_x11_decoration( mydisplay,mywindow,0 );
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XMapWindow(mydisplay, mywindow);
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XFlush(mydisplay);
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XSync(mydisplay, False);
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mygc = XCreateGC(mydisplay, mywindow, 0L, &xgcv);
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xv_port = 0;
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if (Success == XvQueryExtension(mydisplay,&ver,&rel,&req,&ev,&err))
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{
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/* check for Xvideo support */
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if (Success != XvQueryAdaptors(mydisplay,DefaultRootWindow(mydisplay), &adaptors,&ai))
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{
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fprintf(stderr,"Xv: XvQueryAdaptors failed");
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return -1;
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}
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/* check adaptors */
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for (i = 0; i < adaptors; i++)
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{
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if ((ai[i].type & XvInputMask) && (ai[i].type & XvImageMask) && (xv_port == 0)) xv_port = ai[i].base_id;
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}
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/* check image formats */
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if (xv_port != 0)
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{
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fo = XvListImageFormats(mydisplay, xv_port, (int*)&formats);
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xv_format=0;
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for(i = 0; i < formats; i++)
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{
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fprintf(stderr, "Xvideo image format: 0x%x (%4.4s) %s\n", fo[i].id,(char*)&fo[i].id, (fo[i].format == XvPacked) ? "packed" : "planar");
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if (fo[i].id == format)
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{
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xv_format = fo[i].id;
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}
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}
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if (!xv_format) xv_port = 0;
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}
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if (xv_port != 0)
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{
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fprintf( stderr,"using Xvideo port %d for hw scaling\n",xv_port );
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allocate_xvimage(0);
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XGetGeometry( mydisplay,mywindow,&mRoot,&drwX,&drwY,&drwWidth,&drwHeight,&drwBorderWidth,&drwDepth );
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drwX=0; drwY=0;
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XTranslateCoordinates( mydisplay,mywindow,mRoot,0,0,&drwcX,&drwcY,&mRoot );
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fprintf( stderr,"[xv] dcx: %d dcy: %d dx: %d dy: %d dw: %d dh: %d\n",drwcX,drwcY,drwX,drwY,drwWidth,drwHeight );
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if ( mFullscreen )
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{
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drwX=( vo_screenwidth - (dwidth > vo_screenwidth?vo_screenwidth:dwidth) ) / 2;
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drwcX+=drwX;
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drwY=( vo_screenheight - (dheight > vo_screenheight?vo_screenheight:dheight) ) / 2;
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drwcY+=drwY;
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drwWidth=(dwidth > vo_screenwidth?vo_screenwidth:dwidth);
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drwHeight=(dheight > vo_screenheight?vo_screenheight:dheight);
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fprintf( stderr,"[xv-fs] dcx: %d dcy: %d dx: %d dy: %d dw: %d dh: %d\n",drwcX,drwcY,drwX,drwY,drwWidth,drwHeight );
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}
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saver_off(mydisplay); // turning off screen saver
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return 0;
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}
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}
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printf("Sorry, Xv not supported by this X11 version/driver\n");
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printf("******** Try with -vo x11 or -vo sdl *********\n");
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return 1;
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}
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static const vo_info_t * get_info(void)
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{ return &vo_info; }
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static void allocate_xvimage(int foo)
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{
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/*
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* allocate XvImages. FIXME: no error checking, without
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* mit-shm this will bomb...
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*/
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xvimage[foo] = XvShmCreateImage(mydisplay, xv_port, xv_format, 0, image_width, image_height, &Shminfo[foo]);
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Shminfo[foo].shmid = shmget(IPC_PRIVATE, xvimage[foo]->data_size, IPC_CREAT | 0777);
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Shminfo[foo].shmaddr = (char *) shmat(Shminfo[foo].shmid, 0, 0);
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Shminfo[foo].readOnly = False;
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xvimage[foo]->data = Shminfo[foo].shmaddr;
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XShmAttach(mydisplay, &Shminfo[foo]);
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XSync(mydisplay, False);
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shmctl(Shminfo[foo].shmid, IPC_RMID, 0);
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memset(xvimage[foo]->data,128,xvimage[foo]->data_size);
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return;
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}
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static void check_events(void)
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{
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int e=vo_x11_check_events(mydisplay);
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if(e&VO_EVENT_RESIZE)
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{
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XGetGeometry( mydisplay,mywindow,&mRoot,&drwX,&drwY,&drwWidth,&drwHeight,&drwBorderWidth,&drwDepth );
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drwX=0; drwY=0;
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XTranslateCoordinates( mydisplay,mywindow,mRoot,0,0,&drwcX,&drwcY,&mRoot );
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fprintf( stderr,"[xv] dcx: %d dcy: %d dx: %d dy: %d dw: %d dh: %d\n",drwcX,drwcY,drwX,drwY,drwWidth,drwHeight );
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if ( mFullscreen )
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{
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drwX=( vo_screenwidth - (dwidth > vo_screenwidth?vo_screenwidth:dwidth) ) / 2;
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drwcX+=drwX;
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drwY=( vo_screenheight - (dheight > vo_screenheight?vo_screenheight:dheight) ) / 2;
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drwcY+=drwY;
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drwWidth=(dwidth > vo_screenwidth?vo_screenwidth:dwidth);
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drwHeight=(dheight > vo_screenheight?vo_screenheight:dheight);
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fprintf( stderr,"[xv-fs] dcx: %d dcy: %d dx: %d dy: %d dw: %d dh: %d\n",drwcX,drwcY,drwX,drwY,drwWidth,drwHeight );
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}
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}
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}
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//void vo_draw_alpha_yv12(int w,int h, unsigned char* src, unsigned char *srca, int srcstride, unsigned char* dstbase,int dststride);
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//void vo_draw_alpha_yuy2(int w,int h, unsigned char* src, unsigned char *srca, int srcstride, unsigned char* dstbase,int dststride);
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static void draw_alpha(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride){
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int x,y;
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switch (xv_format) {
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case IMGFMT_YV12:
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case IMGFMT_I420:
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case IMGFMT_IYUV:
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vo_draw_alpha_yv12(w,h,src,srca,stride,xvimage[0]->data+image_width*y0+x0,image_width);
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break;
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case IMGFMT_YUY2:
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case IMGFMT_UYVY:
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case IMGFMT_YVYU:
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vo_draw_alpha_yuy2(w,h,src,srca,stride,xvimage[0]->data+2*(image_width*y0+x0),2*image_width);
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break;
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}
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}
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static void flip_page(void)
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{
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vo_draw_text(image_width,image_height,draw_alpha);
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check_events();
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XvShmPutImage(mydisplay, xv_port, mywindow, mygc, xvimage[0],
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0, 0, image_width, image_height,
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drwX,drwY,drwWidth,(mFullscreen?drwHeight - 1:drwHeight),
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False);
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XFlush(mydisplay);
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return;
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}
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static uint32_t draw_slice(uint8_t *image[], int stride[], int w,int h,int x,int y)
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{
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uint8_t *src;
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uint8_t *dst;
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int i;
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dst = xvimage[0]->data + image_width * y + x;
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src = image[0];
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if(w==stride[0] && w==image_width) memcpy(dst,src,w*h);
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else
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for(i=0;i<h;i++)
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{
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memcpy(dst,src,w);
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src+=stride[0];
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dst+=image_width;
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}
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x/=2;y/=2;w/=2;h/=2;
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dst = xvimage[0]->data + image_width * image_height + image_width/2 * y + x;
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src = image[2];
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if(w==stride[2] && w==image_width/2) memcpy(dst,src,w*h);
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else
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for(i=0;i<h;i++)
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{
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memcpy(dst,src,w);
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src+=stride[2];
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dst+=image_width/2;
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}
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dst = xvimage[0]->data + image_width * image_height * 5 / 4 + image_width/2 * y + x;
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src = image[1];
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if(w==stride[1] && w==image_width/2) memcpy(dst,src,w*h);
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else
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for(i=0;i<h;i++)
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{
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memcpy(dst,src,w);
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src+=stride[1];
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dst+=image_width/2;
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}
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return 0;
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}
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static uint32_t draw_frame(uint8_t *src[])
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{
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int foo;
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switch (xv_format) {
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case IMGFMT_YUY2:
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case IMGFMT_UYVY:
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case IMGFMT_YVYU:
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// YUY2 packed, flipped
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#if 0
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int i;
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unsigned short *s=(unsigned short *)src[0];
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unsigned short *d=(unsigned short *)xvimage[0]->data;
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s+=image_width*image_height;
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for(i=0;i<image_height;i++) {
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s-=image_width;
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memcpy(d,s,image_width*2);
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d+=image_width;
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}
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#else
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memcpy(xvimage[0]->data,src[0],image_width*image_height*2);
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#endif
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break;
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case IMGFMT_YV12:
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case IMGFMT_I420:
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case IMGFMT_IYUV:
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// YV12 planar
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memcpy(xvimage[0]->data,src[0],image_width*image_height);
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memcpy(xvimage[0]->data+image_width*image_height,src[2],image_width*image_height/4);
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memcpy(xvimage[0]->data+image_width*image_height*5/4,src[1],image_width*image_height/4);
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break;
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}
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return 0;
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}
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static uint32_t query_format(uint32_t format)
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{
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// umm, this is a kludge, we need to ask the server.. (see init function above)
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return 1;
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/*
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switch(format)
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{
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case IMGFMT_YV12:
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case IMGFMT_YUY2:
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return 1;
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}
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return 0;
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*/
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}
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static void uninit(void) {
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saver_on(mydisplay); // screen saver back on
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}
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