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plugin: Add GL memory importer

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Add "clapperglimporter" and a base class for creating GL importers. This module allows importing GL memory into GdkTexture.
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Rafostar
2022-05-01 17:04:35 +02:00
committed by Rafał Dzięgiel
parent 5b7b7085e4
commit 3e0a0e0555
6 changed files with 807 additions and 0 deletions
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75
lib/gst/plugin/importers/gstclapperglbaseimporter.h vendored Normal file
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/*
* Copyright (C) 2022 Rafał Dzięgiel <rafostar.github@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.
*/
#pragma once
#include <gst/gl/gl.h>
#include "gst/plugin/gstclapperimporter.h"
G_BEGIN_DECLS
#define GST_TYPE_CLAPPER_GL_BASE_IMPORTER (gst_clapper_gl_base_importer_get_type())
#define GST_IS_CLAPPER_GL_BASE_IMPORTER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_CLAPPER_GL_BASE_IMPORTER))
#define GST_IS_CLAPPER_GL_BASE_IMPORTER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_CLAPPER_GL_BASE_IMPORTER))
#define GST_CLAPPER_GL_BASE_IMPORTER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_CLAPPER_GL_BASE_IMPORTER, GstClapperGLBaseImporterClass))
#define GST_CLAPPER_GL_BASE_IMPORTER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_CLAPPER_GL_BASE_IMPORTER, GstClapperGLBaseImporter))
#define GST_CLAPPER_GL_BASE_IMPORTER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_CLAPPER_GL_BASE_IMPORTER, GstClapperGLBaseImporterClass))
#define GST_CLAPPER_GL_BASE_IMPORTER_CAST(obj) ((GstClapperGLBaseImporter *)(obj))
#define GST_CLAPPER_GL_BASE_IMPORTER_HAVE_WAYLAND (GST_GL_HAVE_WINDOW_WAYLAND && defined (GDK_WINDOWING_WAYLAND))
#define GST_CLAPPER_GL_BASE_IMPORTER_HAVE_X11 (GST_GL_HAVE_WINDOW_X11 && defined (GDK_WINDOWING_X11))
#define GST_CLAPPER_GL_BASE_IMPORTER_HAVE_X11_GLX (GST_CLAPPER_GL_BASE_IMPORTER_HAVE_X11 && GST_GL_HAVE_PLATFORM_GLX)
#define GST_CLAPPER_GL_BASE_IMPORTER_HAVE_X11_EGL (GST_CLAPPER_GL_BASE_IMPORTER_HAVE_X11 && GST_GL_HAVE_PLATFORM_EGL)
typedef struct _GstClapperGLBaseImporter GstClapperGLBaseImporter;
typedef struct _GstClapperGLBaseImporterClass GstClapperGLBaseImporterClass;
#ifdef G_DEFINE_AUTOPTR_CLEANUP_FUNC
G_DEFINE_AUTOPTR_CLEANUP_FUNC (GstClapperGLBaseImporter, gst_object_unref)
#endif
struct _GstClapperGLBaseImporter
{
GstClapperImporter parent;
GdkGLContext *gdk_context;
GstGLDisplay *gst_display;
GstGLContext *wrapped_context;
GstGLContext *gst_context;
};
struct _GstClapperGLBaseImporterClass
{
GstClapperImporterClass parent_class;
gboolean (* gdk_context_realize) (GstClapperGLBaseImporter *gl_bi,
GdkGLContext *gdk_context);
};
GType gst_clapper_gl_base_importer_get_type (void);
GstCaps * gst_clapper_gl_base_importer_make_supported_gdk_gl_caps (void);
GStrv gst_clapper_gl_base_importer_make_gl_context_types (void);
GdkTexture * gst_clapper_gl_base_importer_make_gl_texture (GstClapperGLBaseImporter *self, GstBuffer *buffer, GstVideoInfo *v_info);
G_END_DECLS