/* * GStreame * Copyright (C) 2007 David Schleef <ds@schleef.org> * Copyright (C) 2008 Julien Isorce <julien.isorce@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_BUFFER_H_ #define _GST_GL_BUFFER_H_ #include <gst/gst.h> #include <gst/video/video.h> #include "gstgldisplay.h" G_BEGIN_DECLS typedef struct _GstGLBuffer GstGLBuffer; #define GST_TYPE_GL_BUFFER (gst_gl_buffer_get_type()) #define GST_IS_GL_BUFFER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_GL_BUFFER)) #define GST_GL_BUFFER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_GL_BUFFER, GstGLBuffer)) //A gl buffer has only one texture. //Note that when a gl buffer is created by the upload filter, //the colorspace conversion is made using a FBO. //And so the texture attached to this FBO is the one managed by the gl buffer. struct _GstGLBuffer { GstBuffer buffer; GstGLDisplay *display; gint width; gint height; GLuint texture; }; GType gst_gl_buffer_get_type (void); #define gst_gl_buffer_ref(x) ((GstGLBuffer *)(gst_buffer_ref((GstBuffer *)(x)))) #define gst_gl_buffer_unref(x) (gst_buffer_unref((GstBuffer *)(x))) GstGLBuffer* gst_gl_buffer_new (GstGLDisplay* display, gint gl_width, gint gl_height); gint gst_gl_buffer_get_size (gint width, gint height); gboolean gst_gl_buffer_parse_caps (GstCaps* caps, gint* width, gint* height); #define GST_GL_VIDEO_CAPS \ "video/x-raw-gl," \ "width=(int)[1,8000]," \ "height=(int)[1,6000]," \ "pixel-aspect-ratio=(fraction)1/1," \ "framerate=(fraction)[0/1,100/1]" G_END_DECLS #endif /* _GST_GL_BUFFER_H_ */