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Diffstat (limited to 'sys/ximagesrc/ximageutil.h')
-rw-r--r-- | sys/ximagesrc/ximageutil.h | 182 |
1 files changed, 0 insertions, 182 deletions
diff --git a/sys/ximagesrc/ximageutil.h b/sys/ximagesrc/ximageutil.h deleted file mode 100644 index 517fc8e0..00000000 --- a/sys/ximagesrc/ximageutil.h +++ /dev/null @@ -1,182 +0,0 @@ -/* 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__ */ |