gstreamer/subprojects/gst-plugins-base/gst-libs/gst/gl/gstglmixer.h

197 lines
4.7 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/gstglbasemixer.h>
G_BEGIN_DECLS
typedef struct _GstGLMixer GstGLMixer;
typedef struct _GstGLMixerClass GstGLMixerClass;
typedef struct _GstGLMixerPrivate GstGLMixerPrivate;
#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;
/**
* GstGLMixerPad:
*
* Since: 1.24
*/
struct _GstGLMixerPad
{
/**
* GstGLMixerPad.parent:
*
* parent #GstGLBaseMixerPad
*
* Since: 1.24
*/
GstGLBaseMixerPad parent;
/**
* GstGLMixerPad.current_texture:
*
* the current input texture for this pad
*
* Since: 1.24
*/
guint current_texture;
/*< private >*/
gpointer _padding[GST_PADDING];
};
/**
* GstGLMixerPadClass:
*
* Since: 1.24
*/
struct _GstGLMixerPadClass
{
/**
* GstGLMixerPadClass.parent_class:
*
* parent #GstGLBaseMixerPadClass
*
* Since: 1.24
*/
GstGLBaseMixerPadClass parent_class;
/*< private >*/
gpointer _padding[GST_PADDING];
};
G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstGLMixerPad, gst_object_unref);
GST_GL_API
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))
/**
* GstGLMixer:
*
* Since: 1.24
*/
struct _GstGLMixer
{
/**
* GstGLMixer.parent:
*
* Since: 1.24
*/
GstGLBaseMixer parent;
/**
* GstGLMixer.out_caps:
*
* the configured output #GstCaps
*
* Since: 1.24
*/
GstCaps *out_caps;
/*< private >*/
GstGLMixerPrivate *priv;
/*< private >*/
gpointer _padding[GST_PADDING];
};
/**
* GstGLMixerClass:
*
* Since: 1.24
*/
struct _GstGLMixerClass
{
/**
* GstGLMixerClass.parent_class:
*
* Since: 1.24
*/
GstGLBaseMixerClass parent_class;
/**
* GstGLMixerClass::process_buffers:
*
* Perform operations on the input buffers to produce an
* output buffer.
*
* Since: 1.24
*/
gboolean (*process_buffers) (GstGLMixer * mix, GstBuffer *outbuf);
/**
* GstGLMixerClass::process_textures:
*
* perform operations with the input and output buffers mapped
* as textures. Will not be called if @process_buffers is overriden.
*
* Since: 1.24
*/
gboolean (*process_textures) (GstGLMixer * mix, GstGLMemory *out_tex);
/*< private >*/
gpointer _padding[GST_PADDING];
};
G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstGLMixer, gst_object_unref);
GST_GL_API
GType gst_gl_mixer_get_type(void);
GST_GL_API
void gst_gl_mixer_class_add_rgba_pad_templates (GstGLMixerClass * klass);
GST_GL_API
gboolean gst_gl_mixer_process_textures (GstGLMixer * mix, GstBuffer * outbuf);
GST_GL_API
GstGLFramebuffer * gst_gl_mixer_get_framebuffer (GstGLMixer * mix);
G_END_DECLS
#endif /* __GST_GL_MIXER_H__ */