gstreamer/ext/gl/gstglmixer.h
2017-12-09 19:31:57 +00:00

120 lines
3.6 KiB
C

/*
* GStreamer
* Copyright (C) 2009 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_GL_MIXER_H__
#define __GST_GL_MIXER_H__
#include <gst/gst.h>
#include <gst/video/video.h>
#include <gst/gl/gl.h>
#include "gstglbasemixer.h"
G_BEGIN_DECLS
typedef struct _GstGLMixer GstGLMixer;
typedef struct _GstGLMixerClass GstGLMixerClass;
typedef struct _GstGLMixerPrivate GstGLMixerPrivate;
typedef struct _GstGLMixerFrameData GstGLMixerFrameData;
#define GST_TYPE_GL_MIXER_PAD (gst_gl_mixer_pad_get_type())
#define GST_GL_MIXER_PAD(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GL_MIXER_PAD, GstGLMixerPad))
#define GST_GL_MIXER_PAD_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_GL_MIXER_PAD, GstGLMixerPadClass))
#define GST_IS_GL_MIXER_PAD(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GL_MIXER_PAD))
#define GST_IS_GL_MIXER_PAD_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_GL_MIXER_PAD))
#define GST_GL_MIXER_PAD_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_GL_MIXER_PAD,GstGLMixerPadClass))
typedef struct _GstGLMixerPad GstGLMixerPad;
typedef struct _GstGLMixerPadClass GstGLMixerPadClass;
/* all information needed for one video stream */
struct _GstGLMixerPad
{
GstGLBaseMixerPad parent;
};
struct _GstGLMixerPadClass
{
GstGLBaseMixerPadClass parent_class;
};
GType gst_gl_mixer_pad_get_type (void);
#define GST_TYPE_GL_MIXER (gst_gl_mixer_get_type())
#define GST_GL_MIXER(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GL_MIXER, GstGLMixer))
#define GST_GL_MIXER_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_GL_MIXER, GstGLMixerClass))
#define GST_IS_GL_MIXER(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GL_MIXER))
#define GST_IS_GL_MIXER_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_GL_MIXER))
#define GST_GL_MIXER_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_GL_MIXER,GstGLMixerClass))
typedef gboolean (*GstGLMixerSetCaps) (GstGLMixer* mixer,
GstCaps* outcaps);
typedef void (*GstGLMixerReset) (GstGLMixer *mixer);
typedef gboolean (*GstGLMixerProcessFunc) (GstGLMixer *mix,
GPtrArray *buffers, GstBuffer *outbuf);
typedef gboolean (*GstGLMixerProcessTextures) (GstGLMixer *mix,
GPtrArray *frames, guint out_tex);
struct _GstGLMixer
{
GstGLBaseMixer vaggregator;
GPtrArray *array_buffers;
GPtrArray *frames;
GLuint fbo;
GLuint depthbuffer;
GstCaps *out_caps;
GstGLMixerPrivate *priv;
};
struct _GstGLMixerClass
{
GstGLBaseMixerClass parent_class;
GstGLMixerSetCaps set_caps;
GstGLMixerReset reset;
GstGLMixerProcessFunc process_buffers;
GstGLMixerProcessTextures process_textures;
};
struct _GstGLMixerFrameData
{
GstGLMixerPad *pad;
guint texture;
};
GType gst_gl_mixer_get_type(void);
gboolean gst_gl_mixer_process_textures (GstGLMixer * mix, GstBuffer * outbuf);
G_END_DECLS
#endif /* __GST_GL_MIXER_H__ */