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5a74878988
Facilities are given to create fbo's and attach GL memory (renderbuffers or textures). It also keeps track of the renderable size for use with effective use with glViewport().
109 lines
3.4 KiB
C
109 lines
3.4 KiB
C
/*
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* GStreamer
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* Copyright (C) 2009 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., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __GST_GL_MIXER_H__
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#define __GST_GL_MIXER_H__
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#include <gst/gst.h>
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#include <gst/video/video.h>
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#include <gst/gl/gl.h>
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#include "gstglbasemixer.h"
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G_BEGIN_DECLS
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typedef struct _GstGLMixer GstGLMixer;
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typedef struct _GstGLMixerClass GstGLMixerClass;
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typedef struct _GstGLMixerPrivate GstGLMixerPrivate;
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#define GST_TYPE_GL_MIXER_PAD (gst_gl_mixer_pad_get_type())
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#define GST_GL_MIXER_PAD(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GL_MIXER_PAD, GstGLMixerPad))
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#define GST_GL_MIXER_PAD_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_GL_MIXER_PAD, GstGLMixerPadClass))
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#define GST_IS_GL_MIXER_PAD(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GL_MIXER_PAD))
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#define GST_IS_GL_MIXER_PAD_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_GL_MIXER_PAD))
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#define GST_GL_MIXER_PAD_GET_CLASS(obj) \
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(G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_GL_MIXER_PAD,GstGLMixerPadClass))
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typedef struct _GstGLMixerPad GstGLMixerPad;
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typedef struct _GstGLMixerPadClass GstGLMixerPadClass;
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/* all information needed for one video stream */
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struct _GstGLMixerPad
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{
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GstGLBaseMixerPad parent;
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guint current_texture;
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};
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struct _GstGLMixerPadClass
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{
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GstGLBaseMixerPadClass parent_class;
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};
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GType gst_gl_mixer_pad_get_type (void);
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#define GST_TYPE_GL_MIXER (gst_gl_mixer_get_type())
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#define GST_GL_MIXER(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GL_MIXER, GstGLMixer))
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#define GST_GL_MIXER_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_GL_MIXER, GstGLMixerClass))
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#define GST_IS_GL_MIXER(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GL_MIXER))
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#define GST_IS_GL_MIXER_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_GL_MIXER))
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#define GST_GL_MIXER_GET_CLASS(obj) \
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(G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_GL_MIXER,GstGLMixerClass))
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typedef gboolean (*GstGLMixerSetCaps) (GstGLMixer* mixer,
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GstCaps* outcaps);
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typedef void (*GstGLMixerReset) (GstGLMixer *mixer);
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typedef gboolean (*GstGLMixerProcessFunc) (GstGLMixer *mix, GstBuffer *outbuf);
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typedef gboolean (*GstGLMixerProcessTextures) (GstGLMixer *mix, GstGLMemory *out_tex);
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struct _GstGLMixer
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{
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GstGLBaseMixer vaggregator;
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GstGLFramebuffer *fbo;
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GstCaps *out_caps;
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GstGLMixerPrivate *priv;
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};
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struct _GstGLMixerClass
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{
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GstGLBaseMixerClass parent_class;
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GstGLMixerSetCaps set_caps;
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GstGLMixerReset reset;
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GstGLMixerProcessFunc process_buffers;
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GstGLMixerProcessTextures process_textures;
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};
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GType gst_gl_mixer_get_type(void);
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gboolean gst_gl_mixer_process_textures (GstGLMixer * mix, GstBuffer * outbuf);
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G_END_DECLS
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#endif /* __GST_GL_MIXER_H__ */
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