Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdenetwork@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 711 insertions, 0 deletions

diff --git a/kopete/libkopete/avdevice/kxv.cpp b/kopete/libkopete/avdevice/kxv.cpp
new file mode 100644
index 00000000..661bdfad
--- /dev/null
+++ b/kopete/libkopete/avdevice/kxv.cpp
@@ -0,0 +1,711 @@
+/* 
+ *   KDE Xv interface
+ *
+ *   Copyright (C) 2001 George Staikos (staikos@kde.org)
+ *
+ * This library 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; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include <assert.h>
+
+#include <qwindowdefs.h>
+#include <qwidget.h>
+
+#include <kdebug.h>
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "kxv.h"
+
+
+#include <X11/X.h>
+#include <X11/Xlib.h>
+#include <X11/StringDefs.h>
+#include <X11/Xatom.h>
+#ifdef HAVE_XSHM
+extern "C" {
+#include <sys/shm.h>
+#include <X11/extensions/XShm.h>
+}
+#endif
+
+#ifdef HAVE_LIBXV
+#include <X11/extensions/Xv.h>
+#include <X11/extensions/Xvlib.h>
+#endif
+
+#ifdef HAVE_LIBXVMC
+#include <X11/extensions/XvMC.h>
+#include <X11/extensions/XvMClib.h>
+#endif
+
+
+KXv::KXv()
+{
+    xv_adaptors = 0;
+    _devs.setAutoDelete(true);
+}
+
+
+KXv::~KXv()
+{
+    kdDebug() << "KXv::~KXv: Close Xv connection." << endl;
+    _devs.clear();
+    
+#ifdef HAVE_LIBXV
+    if (xv_adaptors > 0)
+        XvFreeAdaptorInfo((XvAdaptorInfo *)xv_adaptor_info);
+#endif
+}
+
+
+KXvDeviceList& KXv::devices()
+{
+  return _devs;
+}
+
+
+bool KXv::haveXv()
+{
+#ifndef HAVE_LIBXV
+    return false;
+#else
+    unsigned int tmp;
+    if (Success != XvQueryExtension(qt_xdisplay(),
+                                    &tmp,
+                                    &tmp,
+                                    &tmp,
+                                    &tmp,
+                                    &tmp)) 
+        return false;
+    
+    return true;
+#endif
+}
+
+
+KXv* KXv::connect(Drawable d)
+{
+    KXv *xvptr;
+    
+    xvptr = new KXv;
+    if (!xvptr->init(d)) {
+        kdDebug() << "KXv::connect: Xv init failed." << endl;
+        delete xvptr;
+        return NULL;
+    }
+    
+    kdDebug() << "KXv::connect: Xv init completed." << endl;
+    return xvptr;
+}
+
+
+bool KXv::init(Drawable d)
+{
+#ifndef HAVE_LIBXV
+    return false;
+#else
+    if (Success != XvQueryExtension(qt_xdisplay(), 
+                                    &xv_version,
+                                    &xv_release,
+                                    &xv_request,
+                                    &xv_event,
+                                    &xv_error)) {
+        kdWarning() << "KXv::init: Xv extension not available." << endl;
+        return false; 
+    }
+    
+#ifdef HAVE_LIBXVMC
+    // Causes crashes for some people.
+    //  if (Success == XvMCQueryExtension(qt_xdisplay(),0,0)) {
+    //    kdDebug() << "Found XvMC!" << endl;
+    //  }
+#endif
+    
+    if (Success != XvQueryAdaptors(qt_xdisplay(),
+                                   d,
+                                   &xv_adaptors, 
+                                   (XvAdaptorInfo **)&xv_adaptor_info)) {
+        // Note technically fatal... what to do?
+        kdWarning() << "KXv::init: XvQueryAdaptors failed." << endl;
+    }
+    
+    XvAdaptorInfo *ai = (XvAdaptorInfo *)xv_adaptor_info;
+    
+    for (unsigned int i = 0; i < xv_adaptors; i++) {
+        KXvDevice *xvd = new KXvDevice;
+        xvd->xv_type = ai[i].type;
+        xvd->xv_port = ai[i].base_id;
+        xvd->xv_name = ai[i].name;
+        xvd->xv_adaptor = i;
+        xvd->xv_nvisualformats = ai[i].num_formats;
+        xvd->xv_visualformats = ai[i].formats;
+        if (ai[i].type & XvInputMask &&
+            ai[i].type & XvVideoMask ) {
+            kdDebug() << "KXv::init: Xv VideoMask port " << ai[i].base_id << " was found." 
+                      << "  Device is: " << ai[i].name << "." << endl;
+        }
+        if (ai[i].type & XvInputMask &&
+            ai[i].type & XvImageMask ) {
+            kdDebug() << "KXv::init: Xv ImageMask port " << ai[i].base_id << " was found." 
+                      << "  Device is: " << ai[i].name << "." << endl;
+        }
+        
+        if (xvd->init()) {
+            _devs.append(xvd);
+        } else {
+            delete xvd;
+        }
+    }
+    
+    return true;
+#endif
+}
+
+bool KXvDevice::grabStill(QImage* /*pix*/, int /*dw*/, int /*dh*/)
+{
+#ifndef HAVE_LIBXV
+    return false;
+#else
+    return false;
+#endif
+}
+
+int KXvDevice::displayImage(QWidget *widget, const unsigned char *const data, int w, int h, int dw, int dh)
+{
+    if (!widget)
+        return -1;
+    return displayImage(widget->winId(), data, w, h, 0, 0, w, h, dw, dh);
+}
+
+int KXvDevice::displayImage(QWidget *widget, const unsigned char *const data, int w, int h, int x, int y, int sw, int sh, int dw, int dh)
+{
+    if (!widget)
+        return -1;
+    return displayImage(widget->winId(), data, w, h, x, y, sw, sh, dw, dh);
+}
+
+int KXvDevice::displayImage(Window win, const unsigned char *const data, int w, int h, int dw, int dh)
+{
+    return displayImage(win, data, w, h, 0, 0, w, h, dw, dh);
+}
+
+int KXvDevice::displayImage(Window win, const unsigned char *const data, int w, int h, int x, int y, int sw, int sh, int dw, int dh)
+{
+#ifndef HAVE_LIBXV
+    return -1;
+#else
+    Q_ASSERT(xv_port != -1);
+    
+    // Must be a video capable device!
+    if (!(xv_type & XvImageMask) || !(xv_type & XvInputMask)) {
+        kdWarning() << "KXvDevice::displayImage: This is not a video capable device." << endl;
+        return -1;
+    }
+    
+    if (xv_image_w != w || xv_image_h != h || !xv_image)
+        rebuildImage(w, h, _shm);
+
+    if (!xv_image)
+        return -1;
+    
+    if (win != xv_last_win && xv_gc) {
+        XFreeGC(qt_xdisplay(), xv_gc);
+        xv_gc = 0;
+    }
+    
+    if (!xv_gc) {
+        xv_last_win = win;   
+        xv_gc = XCreateGC(qt_xdisplay(), win, 0, NULL);
+    }
+    
+    int rc = 0;
+    Q_ASSERT(xv_image);
+    if (!_shm) {
+        static_cast<XvImage*>(xv_image)->data = 
+            (char *)const_cast<unsigned char*>(data);
+        rc = XvPutImage(qt_xdisplay(), xv_port, win, xv_gc, 
+                        static_cast<XvImage*>(xv_image), x, y, sw, sh, 0, 0, dw, dh);
+    } else {
+#ifdef HAVE_XSHM
+        memcpy(static_cast<XvImage*>(xv_image)->data, data, static_cast<XvImage*>(xv_image)->data_size);
+        rc = XvShmPutImage(qt_xdisplay(), xv_port, win, xv_gc, 
+                           static_cast<XvImage*>(xv_image), x, y, sw, sh, 0, 0, dw, dh, 0);
+#endif
+    }
+
+    XSync(qt_xdisplay(), False);
+    return rc;
+#endif
+}
+
+
+bool KXvDevice::startVideo(QWidget *w, int dw, int dh)
+{
+    if (!w) return false;
+    return startVideo(w->winId(), dw, dh);
+}
+
+
+bool KXvDevice::startVideo(Window w, int dw, int dh)
+{
+#ifndef HAVE_LIBXV
+    return false;
+#else
+    int sx = 0, sy = 0, dx = 0, dy = 0, sw = dw, sh = dh;
+    
+    // Must be a video capable device!
+    if (!(xv_type & XvVideoMask) || !(xv_type & XvInputMask)) {
+        kdWarning() << "KXvDevice::startVideo: This is not a video capable device." << endl;
+        return false;
+    }
+    
+    if (videoStarted) stopVideo();
+    
+    if (xv_port == -1) {
+        kdWarning() << "KXvDevice::startVideo: No xv_port." << endl;
+        return false;
+    }
+
+    if (w != xv_last_win && xv_gc) {
+        XFreeGC(qt_xdisplay(), xv_gc);
+        xv_gc = 0;
+    }
+    
+    if (!xv_gc) {
+        xv_last_win = w;   
+        xv_gc = XCreateGC(qt_xdisplay(), w, 0, NULL);
+    }
+    
+    if (-1 != xv_encoding) {
+        sw = ((XvEncodingInfo *)xv_encoding_info)[xv_encoding].width;
+        sh = ((XvEncodingInfo *)xv_encoding_info)[xv_encoding].height;
+    }
+    
+    // xawtv does this here:
+    //  ng_ratio_fixup(&dw, &dh, &dx, &dy);
+    
+    kdDebug() << "XvPutVideo: " << qt_xdisplay() 
+              << " " << xv_port << " " << w << " " << xv_gc 
+              << " " << sx << " " << sy << " " << sw << " " << sh 
+              << " " << dx << " " << dy << " " << dw << " " << dh << endl;
+    XvPutVideo(qt_xdisplay(), xv_port, w, xv_gc, sx, sy, sw, sh, dx, dy, dw, dh);
+    
+    videoStarted = true;
+    videoWindow = w;
+    return true;
+#endif
+}
+
+bool KXvDevice::stopVideo()
+{
+#ifndef HAVE_LIBXV
+    return false;
+#else
+    if (!videoStarted)
+        return true;
+    if (xv_port == -1) {
+        kdWarning() << "KXvDevice::stopVideo: No xv_port." << endl;
+        return false;
+    }
+
+    XvStopVideo(qt_xdisplay(), xv_port, videoWindow);
+    videoStarted = false;
+    return true;
+#endif
+}
+
+
+KXvDevice::KXvDevice()
+{
+    xv_encoding_info = NULL;
+    xv_formatvalues = NULL;
+    xv_attr = NULL;
+    xv_port = -1;
+    xv_encoding = -1;
+    xv_name = QString::null;
+    xv_type = -1;
+    xv_adaptor = -1;
+    _shm = false;
+#ifdef HAVE_LIBXV
+    xv_imageformat = 0x32595559;  // FIXME (YUY2)
+#ifdef HAVE_XSHM
+    if (!XShmQueryExtension(qt_xdisplay())) {
+        _haveShm = false;
+    } else {
+        _shm = true;
+        _haveShm = true;
+    }
+    xv_shminfo = new XShmSegmentInfo;
+#else
+    xv_shminfo = 0;
+#endif
+#endif
+    xv_gc = 0;
+    xv_last_win = 0;
+    videoStarted = false;
+    _attrs.setAutoDelete(true);
+    xv_image = 0;
+    xv_image_w = 320;
+    xv_image_h = 200;
+}
+
+
+KXvDevice::~KXvDevice()
+{
+#ifdef HAVE_LIBXV
+    _attrs.clear();
+    if (videoStarted) stopVideo();
+    if (xv_encoding_info)
+        XvFreeEncodingInfo((XvEncodingInfo *)xv_encoding_info);
+    XFree(xv_formatvalues);
+    XFree(xv_attr);
+#ifdef HAVE_XSHM
+    delete (XShmSegmentInfo*)xv_shminfo;
+#endif
+    destroyImage();
+#endif
+    if (xv_gc)
+        XFreeGC(qt_xdisplay(), xv_gc);
+
+#ifdef HAVE_LIBXV
+    if (xv_port != -1)
+        XvUngrabPort(qt_xdisplay(), xv_port, CurrentTime);
+#endif
+}
+
+
+bool KXvDevice::init()
+{
+#ifndef HAVE_LIBXV
+    return false;
+#else
+    assert(xv_port != -1);   // make sure we were prepped by KXv already.
+
+    if (XvGrabPort(qt_xdisplay(), xv_port, CurrentTime)) {
+        kdWarning() << "KXvDevice::init(): Unable to grab Xv port." << endl;
+        return false;
+    }
+
+    if (Success != XvQueryEncodings(qt_xdisplay(),
+                                    xv_port,
+                                    &xv_encodings,
+                                    (XvEncodingInfo **)&xv_encoding_info)) {
+        kdWarning() << "KXvDevice::init: Xv QueryEncodings failed.  Dropping Xv support for this device." << endl;
+        return false;
+    }
+    
+    // Package the encodings up nicely
+    for (unsigned int i = 0; i < xv_encodings; i++) {
+        //kdDebug() << "Added encoding: " << ((XvEncodingInfo *)xv_encoding_info)[i].name << endl;
+        _encodingList << ((XvEncodingInfo *)xv_encoding_info)[i].name;
+    }
+    
+    xv_attr = XvQueryPortAttributes(qt_xdisplay(), 
+                                    xv_port, 
+                                    &xv_encoding_attributes);
+    XvAttribute *xvattr = (XvAttribute *)xv_attr;
+    kdDebug() << "Attributes for port " << xv_port << endl;
+    for (int i = 0; i < xv_encoding_attributes; i++) {
+        assert(xvattr);
+        kdDebug() << "   -> " << xvattr[i].name 
+                  << ((xvattr[i].flags & XvGettable) ? " get" : "")
+                  << ((xvattr[i].flags & XvSettable) ? " set" : "")
+                  << " Range: " << xvattr[i].min_value
+                  << " -> " << xvattr[i].max_value << endl;
+        
+        KXvDeviceAttribute *xvda = new KXvDeviceAttribute;
+        xvda->name = xvattr[i].name;
+        xvda->min = xvattr[i].min_value;
+        xvda->max = xvattr[i].max_value;
+        xvda->flags = xvattr[i].flags;
+        _attrs.append(xvda);
+    }
+    
+    XvImageFormatValues  *fo;
+    fo = XvListImageFormats(qt_xdisplay(), xv_port, &xv_formats);
+    xv_formatvalues = (void *)fo;
+    kdDebug() << "Image formats for port " << xv_port << endl;
+    for (int i = 0; i < xv_formats; i++) {
+        assert(fo);
+        QString imout;
+        imout.sprintf("   0x%x (%c%c%c%c) %s",
+                      fo[i].id,
+                      fo[i].id        & 0xff,
+                      (fo[i].id >>  8) & 0xff,
+                      (fo[i].id >> 16) & 0xff,
+                      (fo[i].id >> 24) & 0xff,
+                      ((fo[i].format == XvPacked) ? 
+                       "Packed" : "Planar"));
+        kdDebug() << imout << endl;
+    }
+    
+    kdDebug() << "Disabling double buffering." << endl;
+    setAttribute("XV_DOUBLE_BUFFER", 0);
+
+    return true;
+#endif
+}
+
+
+bool KXvDevice::supportsWidget(QWidget *w)
+{
+#ifndef HAVE_LIBXV
+    return false;
+#else
+    for (int i = 0; i < xv_nvisualformats; i++) {
+        if (static_cast<XvFormat*>(xv_visualformats)[i].visual_id 
+            == static_cast<Visual*>(w->x11Visual())->visualid) {
+            return true;
+        }
+    }
+    return false;
+#endif
+}
+
+
+bool KXvDevice::isVideoSource()
+{
+#ifndef HAVE_LIBXV
+    return false;
+#else
+    if (xv_type & XvVideoMask && xv_type & XvInputMask) 
+        return true;
+    return false;
+#endif
+}
+
+
+bool KXvDevice::isImageBackend()
+{
+#ifndef HAVE_LIBXV
+    return false;
+#else
+    if (xv_type & XvImageMask && xv_type & XvInputMask) 
+        return true;
+    return false;
+#endif
+}
+
+
+const KXvDeviceAttributes& KXvDevice::attributes()
+{
+    return _attrs;
+}
+
+
+bool KXvDevice::getAttributeRange(const QString& attribute, int *min, int *max)
+{
+    for (KXvDeviceAttribute *at = _attrs.first(); at != NULL; at = _attrs.next()) {
+        if (at->name == attribute) {
+            if (min) *min = at->min;
+            if (max) *max = at->max;
+            return true;
+        }
+    }
+    return false;
+}
+
+
+bool KXvDevice::getAttribute(const QString& attribute, int *val)
+{
+#ifndef HAVE_LIBXV
+    return false;
+#else
+    for (KXvDeviceAttribute *at = _attrs.first(); at != NULL; at = _attrs.next()) {
+        if (at->name == attribute) {
+            if (val)
+                XvGetPortAttribute(qt_xdisplay(), xv_port, at->atom(), val);
+            return true;
+        }
+    }
+    return false;
+#endif
+}
+
+
+bool KXvDevice::setAttribute(const QString& attribute, int val)
+{
+#ifndef HAVE_LIBXV
+    return false;
+#else
+    for (KXvDeviceAttribute *at = _attrs.first(); at != NULL; at = _attrs.next()) {
+        if (at->name == attribute) {
+            XvSetPortAttribute(qt_xdisplay(), xv_port, at->atom(), val);
+            XSync(qt_xdisplay(), False);
+            return true;
+        }
+    }
+    return false;
+#endif
+}
+
+
+const QString& KXvDevice::name() const
+{
+    return xv_name;
+}
+
+
+int KXvDevice::port() const 
+{
+    return xv_port;
+}
+
+const QStringList& KXvDevice::encodings() const
+{
+    return _encodingList;
+}
+
+bool KXvDevice::encoding(QString& encoding)
+{
+#ifndef HAVE_LIBXV
+    return false;
+#else
+    XvEncodingID enc;
+    
+    for (KXvDeviceAttribute *at = _attrs.first(); at != 0L; at = _attrs.next()) {
+        if (at->name == "XV_ENCODING") {
+            XvGetPortAttribute(qt_xdisplay(), xv_port, at->atom(), (int*)&enc);
+            kdDebug() << "KXvDevice: encoding: " << enc << endl;
+            encoding = enc;
+            return true;
+        }
+    }
+    return false;
+#endif
+}
+
+bool KXvDevice::setEncoding(const QString& e)
+{
+#ifdef HAVE_LIBXV
+    for (unsigned int i = 0; i < xv_encodings; i++) {
+        if (e == ((XvEncodingInfo *)xv_encoding_info)[i].name) {
+            xv_encoding = i;
+            return setAttribute("XV_ENCODING", 
+                                ((XvEncodingInfo *)xv_encoding_info)[i].encoding_id);
+        }
+    }
+#endif
+    return false;
+}
+
+bool KXvDevice::videoPlaying() const
+{
+    return videoStarted;
+}
+
+
+bool KXvDevice::useShm(bool on)
+{
+#ifndef HAVE_XSHM
+    if (on) {
+        return false;
+    }
+#endif
+    if (!_haveShm) {
+        return false;
+    }
+    if (_shm != on)
+        rebuildImage(xv_image_w, xv_image_h, on);
+    if (_haveShm) // This can change in rebuildImage()
+        _shm = on;
+    return _shm;
+}
+
+
+bool KXvDevice::usingShm() const
+{
+    return _shm;
+}
+
+
+#include <unistd.h>
+void KXvDevice::rebuildImage(int w, int h, bool shm)
+{
+    if (xv_image) {
+        destroyImage();
+    }
+#ifdef HAVE_LIBXV
+    if (!shm) {
+        xv_image = (void*)XvCreateImage(qt_xdisplay(), xv_port, xv_imageformat, 
+                                        0, w, h);
+        if (!xv_image) {
+            kdWarning() << "KXvDevice::rebuildImage: XvCreateImage failed." << endl;
+        }
+    } else {
+#ifdef HAVE_XSHM
+        memset(xv_shminfo, 0, sizeof(XShmSegmentInfo));
+        xv_image = (void*)XvShmCreateImage(qt_xdisplay(), xv_port, xv_imageformat, 
+                                           0, w, h, static_cast<XShmSegmentInfo*>(xv_shminfo));
+        if (!xv_image) {
+            kdWarning() << "KXvDevice::rebuildImage: Error using SHM with Xv! Disabling SHM..." << endl;
+            _haveShm = false;
+            _shm = false;
+            xv_image = (void*)XvCreateImage(qt_xdisplay(), xv_port, xv_imageformat,
+                                            0, w, h);
+            if (!xv_image) {
+                kdWarning() << "KXvDevice::rebuildImage: XvCreateImage failed." << endl;
+            }
+        } else {
+            static_cast<XShmSegmentInfo*>(xv_shminfo)->shmid =
+                shmget(IPC_PRIVATE,
+                       static_cast<XvImage*>(xv_image)->data_size,
+                       IPC_CREAT | 0600);
+            static_cast<XShmSegmentInfo*>(xv_shminfo)->shmaddr = 
+                (char*)shmat(static_cast<XShmSegmentInfo*>(xv_shminfo)->shmid, 0, 0);
+            static_cast<XShmSegmentInfo*>(xv_shminfo)->readOnly = True;
+            static_cast<XvImage*>(xv_image)->data =
+                static_cast<XShmSegmentInfo*>(xv_shminfo)->shmaddr;
+            XShmAttach(qt_xdisplay(), static_cast<XShmSegmentInfo*>(xv_shminfo));
+            XSync(qt_xdisplay(), False);
+            shmctl(static_cast<XShmSegmentInfo*>(xv_shminfo)->shmid, IPC_RMID, 0);
+        }
+#endif
+    }
+    Q_ASSERT(xv_image != 0);
+    xv_image_w = w;
+    xv_image_h = h;
+#endif
+}
+
+
+void KXvDevice::destroyImage()
+{
+#ifdef HAVE_LIBXV
+    if (!_shm) {
+        if (xv_image) {
+            static_cast<XvImage*>(xv_image)->data = 0;
+        }
+    } else {
+        if (xv_image) {
+#ifdef HAVE_XSHM
+            shmdt(static_cast<XShmSegmentInfo*>(xv_shminfo)->shmaddr);
+#endif
+        }
+    }
+    XFree(xv_image);
+    xv_image = 0;
+#endif
+}
+
+
+Atom KXvDeviceAttribute::atom()
+{
+    return XInternAtom(qt_xdisplay(), name.latin1(), False);
+}