mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-07-06 06:35:53 +00:00
c5b5ef16d3
We need different export decorators for the different libs. For now no actual change though, just rename before the release, and add prelude headers to define the new decorator to GST_EXPORT.
150 lines
5.4 KiB
C
150 lines
5.4 KiB
C
/*
|
|
* GStreamer
|
|
* Copyright (C) 2007 David Schleef <ds@schleef.org>
|
|
* Copyright (C) 2008 Julien Isorce <julien.isorce@gmail.com>
|
|
* Copyright (C) 2008 Filippo Argiolas <filippo.argiolas@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_FILTER_H_
|
|
#define _GST_GL_FILTER_H_
|
|
|
|
#include <gst/gst.h>
|
|
#include <gst/video/video.h>
|
|
|
|
#include <gst/gl/gl.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
GST_GL_API
|
|
GType gst_gl_filter_get_type(void);
|
|
#define GST_TYPE_GL_FILTER (gst_gl_filter_get_type())
|
|
#define GST_GL_FILTER(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GL_FILTER,GstGLFilter))
|
|
#define GST_IS_GL_FILTER(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GL_FILTER))
|
|
#define GST_GL_FILTER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) ,GST_TYPE_GL_FILTER,GstGLFilterClass))
|
|
#define GST_IS_GL_FILTER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,GST_TYPE_GL_FILTER))
|
|
#define GST_GL_FILTER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_GL_FILTER,GstGLFilterClass))
|
|
|
|
/**
|
|
* GstGLFilterRenderFunc:
|
|
* @filter: the #GstGLFIlter
|
|
* @in_tex: the input #GstGLMemory to render
|
|
* @user_data: user data
|
|
*
|
|
* Returns: whether the render succeeded
|
|
*
|
|
* Since: 1.10
|
|
*/
|
|
typedef gboolean (*GstGLFilterRenderFunc) (GstGLFilter * filter, GstGLMemory * in_tex, gpointer user_data);
|
|
|
|
/**
|
|
* GstGLFilter:
|
|
* @parent: parent #GstGLBaseFilter
|
|
* @in_info: the video info for input buffers
|
|
* @out_info: the video info for output buffers
|
|
* @in_texture_target: The texture target of the input buffers (usually 2D)
|
|
* @out_texture_target: The texture target of the output buffers (usually 2D)
|
|
* @out_caps: the output #GstCaps
|
|
* @fbo: #GstGLFramebuffer object used for transformations
|
|
*/
|
|
struct _GstGLFilter
|
|
{
|
|
GstGLBaseFilter parent;
|
|
|
|
GstVideoInfo in_info;
|
|
GstVideoInfo out_info;
|
|
GstGLTextureTarget in_texture_target;
|
|
GstGLTextureTarget out_texture_target;
|
|
|
|
GstCaps *out_caps;
|
|
|
|
/* <protected> */
|
|
GstGLFramebuffer *fbo;
|
|
|
|
/* <private> */
|
|
gboolean gl_result;
|
|
GstBuffer *inbuf;
|
|
GstBuffer *outbuf;
|
|
|
|
GstGLShader *default_shader;
|
|
gboolean valid_attributes;
|
|
|
|
guint vao;
|
|
guint vbo_indices;
|
|
guint vertex_buffer;
|
|
gint draw_attr_position_loc;
|
|
gint draw_attr_texture_loc;
|
|
|
|
gpointer _padding[GST_PADDING];
|
|
};
|
|
|
|
/**
|
|
* GstGLFilterClass:
|
|
* @parent_class: parent #GstGLBaseFilterClass
|
|
* @set_caps: mirror from #GstBaseTransform
|
|
* @filter: perform operations on the input and output buffers. In general,
|
|
* you should avoid using this method if at all possible. One valid
|
|
* use-case for using this is keeping previous buffers for future calculations.
|
|
* Note: If @filter exists, then @filter_texture is not run
|
|
* @filter_texture: given @in_tex, transform it into @out_tex. Not used
|
|
* if @filter exists
|
|
* @init_fbo: perform initialization when the Framebuffer object is created
|
|
* @transform_internal_caps: Perform sub-class specific modifications of the
|
|
* caps to be processed between upload on input and before download for output.
|
|
*/
|
|
struct _GstGLFilterClass
|
|
{
|
|
GstGLBaseFilterClass parent_class;
|
|
|
|
gboolean (*set_caps) (GstGLFilter* filter, GstCaps* incaps, GstCaps* outcaps);
|
|
gboolean (*filter) (GstGLFilter *filter, GstBuffer *inbuf, GstBuffer *outbuf);
|
|
gboolean (*filter_texture) (GstGLFilter *filter, GstGLMemory *in_tex, GstGLMemory *out_tex);
|
|
gboolean (*init_fbo) (GstGLFilter *filter);
|
|
|
|
GstCaps *(*transform_internal_caps) (GstGLFilter *filter,
|
|
GstPadDirection direction, GstCaps * caps, GstCaps * filter_caps);
|
|
|
|
/* <private> */
|
|
gpointer _padding[GST_PADDING];
|
|
};
|
|
|
|
GST_GL_API
|
|
void gst_gl_filter_add_rgba_pad_templates (GstGLFilterClass *klass);
|
|
|
|
GST_GL_API
|
|
gboolean gst_gl_filter_filter_texture (GstGLFilter * filter, GstBuffer * inbuf,
|
|
GstBuffer * outbuf);
|
|
|
|
GST_GL_API
|
|
gboolean gst_gl_filter_render_to_target (GstGLFilter *filter,
|
|
GstGLMemory * input,
|
|
GstGLMemory * output,
|
|
GstGLFilterRenderFunc func,
|
|
gpointer data);
|
|
|
|
GST_GL_API
|
|
void gst_gl_filter_draw_fullscreen_quad (GstGLFilter *filter);
|
|
GST_GL_API
|
|
void gst_gl_filter_render_to_target_with_shader (GstGLFilter * filter,
|
|
GstGLMemory * input,
|
|
GstGLMemory * output,
|
|
GstGLShader *shader);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* _GST_GL_FILTER_H_ */
|