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115 lines
3.6 KiB
C
115 lines
3.6 KiB
C
/*
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* GStreamer
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* Copyright (C) 2007 David Schleef <ds@schleef.org>
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* Copyright (C) 2008 Julien Isorce <julien.isorce@gmail.com>
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* Copyright (C) 2008 Filippo Argiolas <filippo.argiolas@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef _GST_GL_FILTER_H_
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#define _GST_GL_FILTER_H_
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#include <gst/gst.h>
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#include <gst/base/gstbasetransform.h>
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#include <gst/video/video.h>
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#include "gstglbufferpool.h"
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#include "gstglmeta.h"
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G_BEGIN_DECLS
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#define GST_TYPE_GL_FILTER (gst_gl_filter_get_type())
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#define GST_GL_FILTER(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GL_FILTER,GstGLFilter))
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#define GST_IS_GL_FILTER(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GL_FILTER))
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#define GST_GL_FILTER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) ,GST_TYPE_GL_FILTER,GstGLFilterClass))
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#define GST_IS_GL_FILTER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,GST_TYPE_GL_FILTER))
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#define GST_GL_FILTER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_GL_FILTER,GstGLFilterClass))
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typedef struct _GstGLFilter GstGLFilter;
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typedef struct _GstGLFilterClass GstGLFilterClass;
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typedef gboolean (*GstGLFilterSetCaps) (GstGLFilter* filter,
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GstCaps* incaps, GstCaps* outcaps);
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typedef gboolean (*GstGLFilterProcessFunc) (GstGLFilter *filter,
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GstBuffer *inbuf, GstBuffer *outbuf);
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typedef gboolean (*GstGLFilterOnInitFBO) (GstGLFilter *filter);
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typedef void (*GstGLFilterOnReset) (GstGLFilter *filter);
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typedef void (*GstGLFilterOnStart) (GstGLFilter *filter);
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typedef void (*GstGLFilterOnStop) (GstGLFilter *filter);
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typedef void (*GstGLFilterGLStartFunc) (GstGLFilter *filter);
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typedef void (*GstGLFilterGLStopFunc) (GstGLFilter *filter);
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struct _GstGLFilter
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{
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GstBaseTransform base_transform;
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GstBufferPool *pool;
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GstGLDisplay *display;
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GstVideoInfo in_info;
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GstVideoInfo out_info;
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GLuint fbo;
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GLuint depthbuffer;
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GstGLShader *default_shader;
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GLuint in_tex_id;
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GLuint out_tex_id;
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GstGLUpload *upload;
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GstGLDownload *download;
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gulong external_gl_context;
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};
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struct _GstGLFilterClass
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{
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GstBaseTransformClass base_transform_class;
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GstGLFilterSetCaps set_caps;
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GstGLFilterProcessFunc filter;
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GstGLFilterOnInitFBO onInitFBO;
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GstGLFilterOnStart onStart;
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GstGLFilterOnStop onStop;
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GstGLFilterOnReset onReset;
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/* useful to init and cleanup custom gl resources */
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GstGLFilterGLStartFunc display_init_cb; /* run arbitrary gl code at start */
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GstGLFilterGLStopFunc display_reset_cb; /* run arbitrary gl code at stop */
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};
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GType gst_gl_filter_get_type(void);
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void
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gst_gl_filter_render_to_target (GstGLFilter *filter,
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GLuint input, GLuint target,
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GLCB func, gpointer data);
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#ifndef OPENGL_ES2
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void
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gst_gl_filter_render_to_target_with_shader (GstGLFilter * filter,
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GLuint input, GLuint target, GstGLShader *shader);
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void gst_gl_filter_draw_texture (GstGLFilter *filter, GLuint texture);
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#endif
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G_END_DECLS
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#endif
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