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-rw-r--r--mpeglib/lib/util/render/x11/x11Surface.cpp389
1 files changed, 389 insertions, 0 deletions
diff --git a/mpeglib/lib/util/render/x11/x11Surface.cpp b/mpeglib/lib/util/render/x11/x11Surface.cpp
new file mode 100644
index 00000000..d7b8f052
--- /dev/null
+++ b/mpeglib/lib/util/render/x11/x11Surface.cpp
@@ -0,0 +1,389 @@
+/*
+ surface wrapper for X11 Window
+ Copyright (C) 2000 Martin Vogt
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU Library General Public License as published by
+ the Free Software Foundation.
+
+ For more information look at the file COPYRIGHT in this package
+
+ */
+
+
+#include "x11Surface.h"
+
+#include <iostream>
+
+using namespace std;
+
+const char *ERR_XI_STR[] = {
+ "X initialisation OK!",
+ "No Shared Memory available",
+ "cannot open Display",
+ "bad color depth",
+ "can't create Window",
+ "can't alloc memory for virtual screen",
+ "cannot create XImage",
+ "can't alloc memory for Shared memory segment info",
+ "cannot create Shared Memory XImage",
+ "Shared memory segment info error",
+ "Shared memory virtual screen allocation failed",
+ "cannot attach Shared Memory segment to display"
+};
+
+
+#ifndef KDE_USE_FINAL
+static int dummy(Display* , XErrorEvent*) {
+ cout << "received x11 error!"<<endl;
+ return true;
+}
+#endif
+
+X11Surface::X11Surface() {
+ xWindow=(XWindow *)malloc(sizeof(XWindow));
+ xWindow->lOpen=false;
+ xWindow->x = xWindow->y = 0;
+ xWindow->window = 0;
+ m_windowIdAvailable = false;
+
+ imageMode=_IMAGE_NONE;
+
+ imageCurrent=NULL;
+ xWindow->lOpen=false;
+
+
+ xWindow->display=XOpenDisplay(NULL);
+ if (xWindow->display)
+ XFlush(xWindow->display);
+ xWindow->redMask=0;
+ xWindow->greenMask=0;
+ xWindow->blueMask=0;
+ lXVAllow=true;
+
+ images=0;
+ imageList = new ImageBase* [4];
+ imageList[images++] = new ImageXVDesk();
+ imageList[images++] = new ImageDGAFull();
+ imageList[images++] = new ImageDeskX11();
+ imageList[images] = NULL;
+}
+
+
+X11Surface::~X11Surface() {
+ close();
+ if (xWindow->display)
+ XCloseDisplay(xWindow->display);
+ free(xWindow);
+
+ for (int count=0 ; count<images ; count++) {
+ if (imageList[count] != NULL)
+ delete imageList[count];
+ }
+ delete [] imageList;
+}
+
+
+int X11Surface::getHeight() {
+ return xWindow->height;
+}
+
+
+int X11Surface::getWidth() {
+ return xWindow->width;
+}
+
+int X11Surface::isOpen() {
+ return xWindow->lOpen;
+}
+
+int X11Surface::x11WindowId() {
+ if(m_windowIdAvailable)
+ return xWindow->window;
+ else
+ return -1;
+}
+
+int X11Surface::open(int width, int height,const char *title, bool border) {
+
+ close();
+ xWindow->width=width;
+ xWindow->height=height;
+
+ if(!xWindow->display) {
+ printf("\nX initialisation error:\n *** %s\n",ERR_XI_STR[ERR_XI_DISPLAY]);
+ printf("check ipcs and delete resources with ipcrm\n");
+ exit(0);
+ }
+
+ xWindow->screennum=DefaultScreen(xWindow->display);
+ xWindow->screenptr=DefaultScreenOfDisplay(xWindow->display);
+ xWindow->visual=DefaultVisualOfScreen(xWindow->screenptr);
+ xWindow->depth=DefaultDepth(xWindow->display,xWindow->screennum);
+
+ switch(xWindow->depth) {
+ case 8:
+ xWindow->pixelsize=1;
+ break;
+ case 16:
+ xWindow->pixelsize=2;
+ break;
+ case 24:
+ xWindow->pixelsize=4;
+ break;
+ case 32:
+ xWindow->pixelsize=4;
+ break;
+ default:
+ cout << "unknown pixelsize for depth:"<<xWindow->depth<<endl;
+ exit(0);
+ }
+
+ XColor background, ignored;
+ XAllocNamedColor (xWindow->display,
+ DefaultColormap (xWindow->display, xWindow->screennum),
+ "black", &background, &ignored);
+
+ XSetWindowAttributes attributes;
+ attributes.background_pixel=background.pixel;
+ attributes.backing_store=NotUseful;
+ attributes.override_redirect=True;
+
+ xWindow->window=XCreateWindow(xWindow->display,
+ RootWindowOfScreen(xWindow->screenptr),
+ 0,0,
+ xWindow->width,
+ xWindow->height,0,
+ xWindow->depth,
+ InputOutput, xWindow->visual,
+ (border) ? CWBackingStore : CWBackPixel|CWOverrideRedirect,
+ &attributes);
+
+ m_windowIdAvailable = true;
+ if(!xWindow->window) {
+ printf("\nX initialisation error:\n *** %s\n",ERR_XI_STR[ERR_XI_WINDOW]);
+ printf("check ipcs and delete resources with ipcrm\n");
+ return false;
+ }
+
+ WM_DELETE_WINDOW = XInternAtom(xWindow->display, "WM_DELETE_WINDOW", False);
+ XSetWMProtocols(xWindow->display, xWindow->window, &WM_DELETE_WINDOW, 1);
+
+ XSetErrorHandler(dummy);
+
+ XStoreName(xWindow->display,xWindow->window,title);
+ XSelectInput(xWindow->display,xWindow->window,
+ ExposureMask|KeyPressMask|KeyReleaseMask|ButtonPressMask);
+ xWindow->gc=XCreateGC(xWindow->display,xWindow->window,0,NULL);
+ XMapRaised(xWindow->display,xWindow->window);
+
+ if (xWindow->depth >= 16) {
+ initColorDisplay(xWindow);
+
+ } else {
+ // depth is <= 8
+ // allocate memory for dithertables
+ // gets the rgb masks
+ initColorDisplay(xWindow);
+ // create 8 bit dithertables
+ // create private colormap
+ initSimpleDisplay(xWindow);
+
+ }
+
+ xWindow->palette=NULL;
+ xWindow->screensize=xWindow->height*xWindow->width*xWindow->pixelsize;
+ xWindow->lOpen=true;
+
+ for (int count=0 ; count<images ; count++) {
+ if (imageList[count] != NULL)
+ imageList[count]->init(xWindow);
+ }
+
+ return true;
+}
+
+
+int X11Surface::close() {
+ if (isOpen()==false) {
+ return true;
+ }
+ closeImage();
+
+ XFreeGC(xWindow->display,xWindow->gc);
+ XDestroyWindow(xWindow->display,xWindow->window);
+
+ xWindow->lOpen=false;
+
+
+ return true;
+}
+
+ImageBase *X11Surface::findImage(int mode) {
+ for (int count=0 ; count<images ; count++) {
+ if ((imageList[count] == NULL) || (IS_DISABLED(imageList[count])))
+ continue;
+
+ if (imageList[count]->supportedModes & mode)
+ return imageList[count];
+ }
+ return NULL;
+}
+
+ImageBase **X11Surface::getModes() {
+ return imageList;
+}
+
+void X11Surface::setModes(ImageBase **modes) {
+ imageList = modes;
+}
+
+int X11Surface::openImage(int mode, YUVPicture*) {
+ if (imageMode != _IMAGE_NONE) {
+ cout << "bad open error X11Surface::openImage"<<endl;
+ return false;
+ }
+ if (mode == _IMAGE_NONE) {
+ cout << "X11Surface::openImage - no valid mode specified"<<endl;
+ return false;
+ }
+
+ ImageBase *newImage=findImage(mode);
+
+ if (newImage == NULL) {
+ cout << " X11Surface::openImage - no matching image found"<<endl;
+ imageMode=_IMAGE_NONE;
+ } else {
+ /*
+ printf("Best image found: %s\n", newImage->getIdentifier());
+ printf("\tsupported modes: desk=%d, double=%d, full=%d, resize=%d\n",
+ HAS_DESK(newImage),
+ HAS_DOUBLE(newImage),
+ HAS_FULL(newImage),
+ HAS_RESIZE(newImage));
+ */
+
+ open(xWindow->width, xWindow->height, "mpeglib", !(mode & _IMAGE_FULL));
+ newImage->openImage(mode);
+ if (!IS_FULL(mode)) {
+ XMoveWindow(xWindow->display, xWindow->window,
+ xWindow->x, xWindow->y);
+
+ XSizeHints hints;
+ hints.flags = PMaxSize;
+ if (HAS_RESIZE(newImage)) {
+ hints.max_width = INT_MAX;
+ hints.max_height = INT_MAX;
+ } else {
+ hints.max_width = xWindow->width;
+ hints.max_height = xWindow->height;
+ }
+ XSetWMNormalHints(xWindow->display, xWindow->window, &hints);
+ }
+
+ imageMode=mode;
+ }
+ imageCurrent = newImage;
+ XSync(xWindow->display,true);
+ return (imageCurrent != NULL);
+}
+
+
+int X11Surface::closeImage() {
+
+ if ((imageMode == _IMAGE_NONE) || (!xWindow->lOpen))
+ return false;
+
+ ImageBase *old = imageCurrent;
+ imageCurrent=NULL;
+
+ XWindowAttributes attr;
+ Window junkwin;
+
+ if (!IS_FULL(imageMode)) {
+ if (!XGetWindowAttributes(xWindow->display, xWindow->window, &attr))
+ cout << "Can't get window attributes." << endl;
+
+ XTranslateCoordinates (xWindow->display, xWindow->window, attr.root,
+ -attr.border_width,
+ -attr.border_width,
+ &xWindow->x, &xWindow->y, &junkwin);
+ }
+
+ imageMode=_IMAGE_NONE;
+ old->closeImage();
+
+ return true;
+}
+
+
+int X11Surface::dither(YUVPicture* pic) {
+ if (imageCurrent != NULL) {
+ imageCurrent->ditherImage(pic);
+ }
+ return true;
+}
+
+
+int X11Surface::putImage(YUVPicture* ) {
+ if (imageCurrent != NULL) {
+ imageCurrent->putImage();
+ }
+ return true;
+}
+
+
+int X11Surface::getDepth() {
+ return xWindow->depth;
+}
+
+int X11Surface::getImageMode() {
+ return imageMode;
+}
+
+int X11Surface::checkEvent(int* newMode) {
+ XEvent event;
+
+ if (isOpen()==false)
+ return false;
+
+ // check if we forward the call to the FULLSCREEN mode
+ if (!imageCurrent->active()) {
+ if (IS_FULL(imageMode)) {
+ *newMode=imageMode ^ _IMAGE_FULL;
+ return true;
+ }
+ }
+
+ // normal X11 images use the X11 event queue
+ if (XCheckTypedWindowEvent(xWindow->display,
+ xWindow->window,ButtonPress,&event)) {
+ if (event.xbutton.button == Button1) {
+ if (findImage(_IMAGE_DOUBLE) != NULL)
+ *newMode = imageMode ^ _IMAGE_DOUBLE;
+ } else if (event.xbutton.button == Button3) {
+ if (findImage(_IMAGE_FULL) != NULL)
+ *newMode = imageMode ^ _IMAGE_DESK ^ _IMAGE_FULL;
+ }
+ return true;
+ }
+ // now check if there are unneeded events in the queue,
+ // then delete them
+ int eventCnt=XPending(xWindow->display);
+ if (eventCnt > 10) {
+ XSync(xWindow->display,true);
+ }
+ return false;
+
+
+}
+
+
+
+void X11Surface::config(const char* key,
+ const char* value, void* ) {
+ if (strcmp(key,"xvAllow")==0) {
+ lXVAllow=atoi(value);
+ }
+}
+
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