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/*
* GStreamer
* Copyright (C) 2007 David Schleef <ds@schleef.org>
* Copyright (C) 2008 Julien Isorce <julien.isorce@gmail.com>
* Copyright (C) 2008 Filippo Argiolas <filippo.argiolas@gmail.com>
*
* 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_GL_FILTER_H_
#define _GST_GL_FILTER_H_
#include <gst/gst.h>
#include <gst/base/gstbasetransform.h>
#include <gst/video/video.h>
#include "gstglbuffer.h"
G_BEGIN_DECLS
#define GST_TYPE_GL_FILTER (gst_gl_filter_get_type())
#define GST_GL_FILTER(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GL_FILTER,GstGLFilter))
#define GST_IS_GL_FILTER(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GL_FILTER))
#define GST_GL_FILTER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) ,GST_TYPE_GL_FILTER,GstGLFilterClass))
#define GST_IS_GL_FILTER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,GST_TYPE_GL_FILTER))
#define GST_GL_FILTER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_GL_FILTER,GstGLFilterClass))
typedef struct _GstGLFilter GstGLFilter;
typedef struct _GstGLFilterClass GstGLFilterClass;
typedef gboolean (*GstGLFilterSetCaps) (GstGLFilter* filter,
GstCaps* incaps, GstCaps* outcaps);
typedef gboolean (*GstGLFilterProcessFunc) (GstGLFilter *filter,
GstGLBuffer *inbuf, GstGLBuffer *outbuf);
typedef void (*GstGLFilterOnInitFBO) (GstGLFilter *filter);
typedef void (*GstGLFilterOnReset) (GstGLFilter *filter);
typedef void (*GstGLFilterOnStart) (GstGLFilter *filter);
typedef void (*GstGLFilterOnStop) (GstGLFilter *filter);
typedef void (*GstGLFilterGLStartFunc) (GstGLFilter *filter);
typedef void (*GstGLFilterGLStopFunc) (GstGLFilter *filter);
struct _GstGLFilter
{
GstBaseTransform base_transform;
GstGLDisplay *display;
gint width;
gint height;
GLuint fbo;
GLuint depthbuffer;
gulong external_gl_context;
};
struct _GstGLFilterClass
{
GstBaseTransformClass base_transform_class;
GstGLFilterSetCaps set_caps;
GstGLFilterProcessFunc filter;
GstGLFilterOnInitFBO onInitFBO;
GstGLFilterOnStart onStart;
GstGLFilterOnStop onStop;
GstGLFilterOnReset onReset;
/* useful to init and cleanup custom gl resources */
GstGLFilterGLStartFunc display_init_cb; /* run arbitrary gl code at start */
GstGLFilterGLStopFunc display_reset_cb; /* run arbitrary gl code at stop */
};
GType gst_gl_filter_get_type(void);
void
gst_gl_filter_render_to_target (GstGLFilter *filter,
GLuint input, GLuint target,
GLCB func, gpointer data);
G_END_DECLS
#endif
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