[011/906] Patch from Gernot Ziegler <gz@lysator.liu.se> rewriting the GL sink plugin. (Bug #147302) * configure.ac: Test for OpenGL * sys/Makefile.am: Use test for OpenGL * sys/glsink/Makefile.am: * sys/glsink/glimagesink.c: rewrite * sys/glsink/glimagesink.h: rewrite

This commit is contained in:
David Schleef 2004-08-09 20:14:51 +00:00 committed by Matthew Waters
parent 0a52f9f6c3
commit 6d3b83f990
3 changed files with 1755 additions and 7 deletions

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@ -1,10 +1,11 @@
plugindir = $(libdir)/gstreamer-@GST_MAJORMINOR@
plugin_LTLIBRARIES = libgstglsink.la
plugin_LTLIBRARIES = libgstglimagesink.la
libgstglsink_la_SOURCES = gstglsink.c gstglxwindow.c gstgl_rgbimage.c gstgl_nvimage.c
libgstglsink_la_CFLAGS = $(GST_CFLAGS)
libgstglsink_la_LIBADD = $(X_LIBS) $(XVIDEO_LIBS) -lGL -lGLU -lglut
libgstglsink_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
libgstglimagesink_la_SOURCES = glimagesink.c
libgstglimagesink_la_CFLAGS = $(GST_CFLAGS) $(X_CFLAGS)
libgstglimagesink_la_LIBADD = $(X_LIBS) $(XSHM_LIBS) -lGL -lGLU\
$(top_builddir)/gst-libs/gst/libgstinterfaces-$(GST_MAJORMINOR).la
libgstglimagesink_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
noinst_HEADERS = glimagesink.h
noinst_HEADERS = gstglsink.h

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gst/gl/glimagesink.c Normal file

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137
gst/gl/glimagesink.h Normal file
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/* GStreamer
* Copyright (C) <2003> Julien Moutte <julien@moutte.net>
*
* 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_GLIMAGESINK_H__
#define __GST_GLIMAGESINK_H__
#include <gst/video/videosink.h>
#include <X11/Xlib.h>
#include <GL/glx.h>
#include <GL/gl.h>
#include <GL/glu.h>
#include <string.h>
#include <math.h>
G_BEGIN_DECLS
#define GST_TYPE_GLIMAGESINK \
(gst_glimagesink_get_type())
#define GST_GLIMAGESINK(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_GLIMAGESINK, GstGLImageSink))
#define GST_GLIMAGESINK_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_GLIMAGESINK, GstGLImageSink))
#define GST_IS_GLIMAGESINK(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_GLIMAGESINK))
#define GST_IS_GLIMAGESINK_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_GLIMAGESINK))
typedef struct _GstXContext GstXContext;
typedef struct _GstGLWindow GstGLWindow;
typedef struct _GstGLImage GstGLImage;
typedef struct _GstGLImageSink GstGLImageSink;
typedef struct _GstGLImageSinkClass GstGLImageSinkClass;
/* Global X Context stuff */
struct _GstXContext {
Display *disp;
Screen *screen;
gint screen_num;
Visual *visual;
XVisualInfo *visualinfo;
Window root;
GLXContext glx;
gulong white, black;
gint depth;
gint bpp;
gint endianness;
gboolean use_xshm;
GstCaps *caps;
};
/* XWindow stuff */
struct _GstGLWindow {
XSetWindowAttributes attr;
Window win;
gint width, height;
gboolean internal;
};
/* XImage stuff */
struct _GstGLImage {
/* Reference to the ximagesink we belong to */
GstGLImageSink *glimagesink;
GLuint texid;
char *data;
gint width, height, size;
};
struct _GstGLImageSink {
/* Our element stuff */
GstVideoSink videosink;
char *display_name;
GstXContext *xcontext;
GstGLWindow *window;
GstGLImage *glimage;
GstGLImage *cur_image;
gdouble framerate;
GMutex *x_lock;
gint pixel_width, pixel_height; /* Unused */
GstClockTime time;
GMutex *pool_lock;
GSList *image_pool;
guint pointer_x, pointer_y;
gboolean pointer_moved;
gboolean pointer_button[5];
gboolean synchronous;
gboolean signal_handoffs;
};
struct _GstGLImageSinkClass {
GstVideoSinkClass parent_class;
/* signals */
void (*handoff) (GstElement *element, GstBuffer *buf, GstPad *pad);
void (*bufferalloc) (GstElement *element, GstBuffer *buf, GstPad *pad);
};
GType gst_glimagesink_get_type(void);
G_END_DECLS
#endif /* __GST_GLIMAGESINK_H__ */