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