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Diffstat (limited to 'kopete/libkopete/avdevice/kxv.h')
| -rw-r--r-- | kopete/libkopete/avdevice/kxv.h | 260 |
1 files changed, 260 insertions, 0 deletions
diff --git a/kopete/libkopete/avdevice/kxv.h b/kopete/libkopete/avdevice/kxv.h new file mode 100644 index 00000000..d386cda9 --- /dev/null +++ b/kopete/libkopete/avdevice/kxv.h @@ -0,0 +1,260 @@ +/* + * 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. + */ + +#ifndef __KXV_H +#define __KXV_H + +#include <X11/X.h> +#include <X11/Xlib.h> +#include <qstring.h> +#include <qstringlist.h> +#include <qptrlist.h> + +class QWidget; +class QImage; + +class KXvPrivate; +class KXvDevice; +class KXvDevicePrivate; + +typedef QPtrList<KXvDevice> KXvDeviceList; + + +class KXv +{ +public: + ~KXv(); + + /* + * To get access to the Xv extension, you call this method. It will return + * a KXv* object on success, or NULL if it can't connect. + * + * d is typically the Window ID + */ + static KXv *connect(Drawable d); + + /* + * True if we can connect to the Xv extension. + */ + static bool haveXv(); + + /* + * Return the list of Xv devices + */ + KXvDeviceList& devices(); + +protected: + KXv(); + bool init(Drawable d); + + /*** XV info ***/ + unsigned int xv_version, xv_release, xv_request, xv_event, xv_error; + unsigned int xv_adaptors; + void *xv_adaptor_info; + + KXvDeviceList _devs; + +private: + KXvPrivate *d; +}; + + + +class KXvDeviceAttribute +{ +public: + QString name; + int min; + int max; + int flags; + + Atom atom(); +}; + +typedef QPtrList<KXvDeviceAttribute> KXvDeviceAttributes; + + +class KXvDevice +{ + friend class KXv; +public: + + KXvDevice(); + ~KXvDevice(); + + /* + * return the list of known attributes + */ + const KXvDeviceAttributes& attributes(); + + /* + * return the range for a given attribute + */ + bool getAttributeRange(const QString& attribute, int *min, int *max); + + /* + * get the current value of a given attribute + */ + bool getAttribute(const QString& attribute, int *val); + + /* + * set the current value of a given attribute + */ + bool setAttribute(const QString& attribute, int val); + + bool grabStill(QImage *pix, int dw, int dh); + + /* + * True if this device can operate on the given widget + */ + bool supportsWidget(QWidget *w); + + /* + * Display the given image with Xv. + */ + int displayImage(QWidget *widget, const unsigned char *const data, int w, int h, int dw, int dh); + int displayImage(Window win, const unsigned char *const data, int w, int h, int dw, int dh); + + /* + * Display a portion of the given image with Xv. + */ + int displayImage(QWidget *widget, const unsigned char *const data, int w, int h, int x, int y, int sw, int sh, int dw, int dh); + int displayImage(Window win, const unsigned char *const data, int w, int h, int x, int y, int sw, int sh, int dw, int dh); + + /* + * Start a video stream in widget w, width dw, height dh + */ + bool startVideo(QWidget *w, int dw, int dh); + bool startVideo(Window w, int dw, int dh); + + /* + * Is the video playing + */ + bool videoPlaying() const; + + /* + * Stop video stream + */ + bool stopVideo(); + + /* + * True if this is an image output backend (video card) + */ + bool isImageBackend(); + + /* + * True if this is a video source + */ + bool isVideoSource(); + + /* + * Name of the device + */ + const QString& name() const; + + /* + * The Xv port for this device + */ + int port() const; + + /* + * The list of encodings/norms available + */ + const QStringList& encodings() const; + + /* + * get encoding + */ + bool encoding(QString& encoding); + + /* + * Set the encoding to the given one. This should be taken from the list. + */ + bool setEncoding(const QString& e); + + /* + * Set the image format. (ex YUV) + */ + int setImageFormat(int format); + + /* + * Get the current image format + */ + int imageFormat() const; + + /* + * Use SHM for PutImage if available + */ + bool useShm(bool on); + + /* + * Is SHM being used? + */ + bool usingShm() const; + + +protected: + bool init(); + + bool _shm; + KXvDeviceAttributes _attrs; + + int xv_type, xv_adaptor; + QString xv_name; + int xv_port; + unsigned int xv_encodings; + int xv_encoding; + void *xv_encoding_info; + int xv_encoding_attributes; + void *xv_attr; + GC xv_gc; + Window xv_last_win; + + QStringList _encodingList; + + int xv_formats; + void *xv_formatvalues; + + int xv_nvisualformats; + void *xv_visualformats; // XvFormat* + + bool videoStarted; + Window videoWindow; + + long xv_imageformat; + + void *xv_shminfo; + void *xv_image; + int xv_image_w; + int xv_image_h; + bool _haveShm; + + +private: + KXvDevicePrivate *d; + + void rebuildImage(int w, int h, bool shm); + void destroyImage(); +}; + + +#endif + |