/* * Copyright (c) 1995 Regents of the University of California. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the Computer Systems * Engineering Group at Lawrence Berkeley Laboratory. * 4. Neither the name of the University nor of the Laboratory may be used * to endorse or promote products derived from this software without * specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /* * Copyright 1995 Apple Computer, Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * APPLE COMPUTER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * * Except as contained in this notice, the name of Apple Computer shall not be * used in advertising or otherwise to promote the sale, use or other dealings * in this Software without prior written authorization from Apple Computer. */ #ifndef lint static char rcsid[] = "@(#) $Header: /work/projects/tove/cvs/src/testing/vic-2.8-cqcam/assistor-plx.cc,v 1.1 1998/03/02 10:24:47 jturunen Exp $ (LBL)"; #endif #include #include #include extern "C" { #include } #include #include #include extern "C" { #include } /*XXX*/ #ifdef __svr4__ extern "C" { #include } #else #include "plxfuncs.h" #endif #include "Tcl.h" #include "inet.h" #include "rtp.h" #include "decoder.h" #include "vw.h" #include "renderer.h" #define DEBUG 0 class PlxWindowAssistor : public Renderer { public: PlxWindowAssistor(); ~PlxWindowAssistor(); virtual int command(int argc, const char*const* argv); protected: virtual int consume(const VideoFrame*); void reset(int q, int w, int h); int inq_; XPlxCImage cimage_; GC gc_; int need_refresh_; static void handle_exposure_callback(ClientData, XEvent *); static void handle_exposure_idle(ClientData); void handle_exposure() { need_refresh_ = 1; } VideoWindow* window_; }; static class PlxWindowAssistorMatcher : public Matcher { public: PlxWindowAssistorMatcher() : Matcher("assistor") {} int have_extension() { Tk_Window tk = Tcl::instance().tkmain(); Display* dpy = Tk_Display(tk); int majop, eventbase, errbase; return (XQueryExtension(dpy, "ParallaxVideo", &majop, &eventbase, &errbase)); } TclObject* match(const char* id) { if (strcmp(id, "jpeg/422") == 0 && have_extension()) return (new PlxWindowAssistor()); return (0); } } assistor_plx; int PlxWindowAssistor::consume(const VideoFrame* vf) { JpegFrame* p = (JpegFrame*)vf; // Can't handle 411, only 422 XXX if (p->type_ != 0) return (0); if (p->q_ != inq_ || p->width_ != width_ || p->height_ != height_) reset(p->q_, p->width_, p->height_); if (need_refresh_) { XPlxVideoTag(Tk_Display(window_->tkwin()), Tk_WindowId(window_->tkwin()), gc_, PLX_VIDEO); } cimage_.size = p->len_; cimage_.data = (char*)p->bp_; XPlxPutCImage(Tk_Display(window_->tkwin()), Tk_WindowId(window_->tkwin()), gc_, &cimage_, 0, 0, width_, height_, 0, 0, window_->width(), window_->height(), 1 /* scale, instead of crop */); if (need_refresh_) { XPlxVideoTag(Tk_Display(window_->tkwin()), Tk_WindowId(window_->tkwin()), gc_, PLX_VIDEO_OVR); need_refresh_ = 0; } return (0); } void PlxWindowAssistor::handle_exposure_idle(ClientData cd) { ((PlxWindowAssistor *)cd)->handle_exposure(); } void PlxWindowAssistor::handle_exposure_callback(ClientData cd, XEvent *) { Tk_DoWhenIdle(handle_exposure_idle, cd); } PlxWindowAssistor::PlxWindowAssistor() : Renderer(FT_JPEG), inq_(20) { need_refresh_ = 1; } PlxWindowAssistor::~PlxWindowAssistor() { /* * Clear out the image so that the Video class does * not try to use it before another window gets attached * and replaces the image. */ window_->setimage(0); // Tk_FreeGC(Tk_Display(window_->tkwin()), gc_); XFreeGC(Tk_Display(window_->tkwin()), gc_); } int PlxWindowAssistor::command(int argc, const char*const* argv) { if (argc == 3 && strcmp(argv[1], "window") == 0) { window_ = VideoWindow::lookup(argv[2]); Tk_MakeWindowExist(window_->tkwin()); // gc_ = Tk_GetGC(window_->tkwin(), 0, 0); gc_ = XCreateGC(Tk_Display(window_->tkwin()), Tk_WindowId(window_->tkwin()), 0, 0); Tk_CreateEventHandler(window_->tkwin(), ExposureMask, handle_exposure_callback, (ClientData)this); return (TCL_OK); } return (Renderer::command(argc, argv)); } void PlxWindowAssistor::reset(int inq, int w, int h) { Module::size(w, h); /* * Make sure all outstanding putimage's finish. * Syncing with the first window, syncs the server, * and hence all of them. */ window_->sync(); if (inq != inq_) { inq_ = inq; // Prepare new Q table extern int quality_to_qfactor(int); char *qtable; int size = MakeQTables(quality_to_qfactor(inq), (unsigned char**)&qtable); XPlxPutTable(Tk_Display(window_->tkwin()), Tk_WindowId(window_->tkwin()), gc_, #ifdef __hpux (short *) #endif qtable, size, 1 /* decompression, not compression */); free(qtable); } cimage_.width = width_; cimage_.height = height_; }