+++ /dev/null
-/* GStreamer
- * Copyright (C) <2005> Luca Ognibene <luogni@tin.it>
- *
- * 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; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-#ifndef __GST_XIMAGEUTIL_H__
-#define __GST_XIMAGEUTIL_H__
-
-#include <gst/gst.h>
-
-#ifdef HAVE_XSHM
-#include <sys/types.h>
-#include <sys/ipc.h>
-#include <sys/shm.h>
-#endif /* HAVE_XSHM */
-
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
-
-#ifdef HAVE_XSHM
-#include <X11/extensions/XShm.h>
-#endif /* HAVE_XSHM */
-
-#include <string.h>
-#include <math.h>
-
-G_BEGIN_DECLS
-
-typedef struct _GstXContext GstXContext;
-typedef struct _GstXWindow GstXWindow;
-typedef struct _GstXImage GstXImage;
-typedef struct _GstXImageSrcBuffer GstXImageSrcBuffer;
-
-/* Global X Context stuff */
-/**
- * GstXContext:
- * @disp: the X11 Display of this context
- * @screen: the default Screen of Display @disp
- * @screen_num: the Screen number of @screen
- * @visual: the default Visual of Screen @screen
- * @root: the root Window of Display @disp
- * @white: the value of a white pixel on Screen @screen
- * @black: the value of a black pixel on Screen @screen
- * @depth: the color depth of Display @disp
- * @bpp: the number of bits per pixel on Display @disp
- * @endianness: the endianness of image bytes on Display @disp
- * @width: the width in pixels of Display @disp
- * @height: the height in pixels of Display @disp
- * @widthmm: the width in millimeters of Display @disp
- * @heightmm: the height in millimeters of Display @disp
- * @par: the pixel aspect ratio calculated from @width, @widthmm and @height,
- * @heightmm ratio
- * @use_xshm: used to known wether of not XShm extension is usable or not even
- * if the Extension is present
- * @caps: the #GstCaps that Display @disp can accept
- *
- * Structure used to store various informations collected/calculated for a
- * Display.
- */
-struct _GstXContext {
- Display *disp;
-
- Screen *screen;
- gint screen_num;
-
- Visual *visual;
-
- Window root;
-
- gulong white, black;
-
- gint depth;
- gint bpp;
- gint endianness;
-
- gint width, height;
- gint widthmm, heightmm;
-
- /* these are the output masks
- * for buffers from ximagesrc
- * and are in big endian */
- guint32 r_mask_output, g_mask_output, b_mask_output;
-
- GValue *par; /* calculated pixel aspect ratio */
-
- gboolean use_xshm;
-
- GstCaps *caps;
-};
-
-/**
- * GstXWindow:
- * @win: the Window ID of this X11 window
- * @width: the width in pixels of Window @win
- * @height: the height in pixels of Window @win
- * @internal: used to remember if Window @win was created internally or passed
- * through the #GstXOverlay interface
- * @gc: the Graphical Context of Window @win
- *
- * Structure used to store informations about a Window.
- */
-struct _GstXWindow {
- Window win;
- gint width, height;
- gboolean internal;
- GC gc;
-};
-
-gboolean ximageutil_check_xshm_calls (GstXContext * xcontext);
-
-GstXContext *ximageutil_xcontext_get (GstElement *parent,
- const gchar *display_name);
-void ximageutil_xcontext_clear (GstXContext *xcontext);
-void ximageutil_calculate_pixel_aspect_ratio (GstXContext * xcontext);
-
-/* custom ximagesrc buffer, copied from ximagesink */
-
-/* BufferReturnFunc is called when a buffer is finalised */
-typedef void (*BufferReturnFunc) (GstElement *parent, GstXImageSrcBuffer *buf);
-
-/**
- * GstXImageSrcBuffer:
- * @parent: a reference to the element we belong to
- * @ximage: the XImage of this buffer
- * @width: the width in pixels of XImage @ximage
- * @height: the height in pixels of XImage @ximage
- * @size: the size in bytes of XImage @ximage
- *
- * Subclass of #GstBuffer containing additional information about an XImage.
- */
-struct _GstXImageSrcBuffer {
- GstBuffer buffer;
-
- /* Reference to the ximagesrc we belong to */
- GstElement *parent;
-
- XImage *ximage;
-
-#ifdef HAVE_XSHM
- XShmSegmentInfo SHMInfo;
-#endif /* HAVE_XSHM */
-
- gint width, height;
- size_t size;
-
- BufferReturnFunc return_func;
-};
-
-
-GstXImageSrcBuffer *gst_ximageutil_ximage_new (GstXContext *xcontext,
- GstElement *parent, int width, int height, BufferReturnFunc return_func);
-
-void gst_ximageutil_ximage_destroy (GstXContext *xcontext,
- GstXImageSrcBuffer * ximage);
-
-/* Call to manually release a buffer */
-void gst_ximage_buffer_free (GstXImageSrcBuffer *ximage);
-
-#define GST_TYPE_XIMAGESRC_BUFFER (gst_ximagesrc_buffer_get_type())
-#define GST_IS_XIMAGESRC_BUFFER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_XIMAGESRC_BUFFER))
-#define GST_IS_XIMAGESRC_BUFFER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_XIMAGESRC_BUFFER))
-#define GST_XIMAGESRC_BUFFER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_XIMAGESRC_BUFFER, GstXImageSrcBuffer))
-#define GST_XIMAGESRC_BUFFER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_XIMAGESRC_BUFFER, GstXImageSrcBufferClass))
-#define GST_XIMAGESRC_BUFFER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_XIMAGESRC_BUFFER, GstXImageSrcBufferClass))
-
-G_END_DECLS
-
-#endif /* __GST_XIMAGEUTIL_H__ */
projects / cpumem-applet / blobdiff