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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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70
lib/gst/plugin/importers/gstclapperglimporter.c 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstclapperglimporter.h"
#define GST_CAT_DEFAULT gst_clapper_gl_importer_debug
GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
#define parent_class gst_clapper_gl_importer_parent_class
GST_CLAPPER_IMPORTER_DEFINE (GstClapperGLImporter, gst_clapper_gl_importer, GST_TYPE_CLAPPER_GL_BASE_IMPORTER);
static GdkTexture *
gst_clapper_gl_importer_generate_texture (GstClapperImporter *importer,
GstBuffer *buffer, GstVideoInfo *v_info)
{
GstClapperGLBaseImporter *gl_bi = GST_CLAPPER_GL_BASE_IMPORTER_CAST (importer);
return gst_clapper_gl_base_importer_make_gl_texture (gl_bi, buffer, v_info);
}
static void
gst_clapper_gl_importer_init (GstClapperGLImporter *self)
{
}
static void
gst_clapper_gl_importer_class_init (GstClapperGLImporterClass *klass)
{
GstClapperImporterClass *importer_class = (GstClapperImporterClass *) klass;
GST_DEBUG_CATEGORY_INIT (GST_CAT_DEFAULT, "clapperglimporter", 0,
"Clapper GL Importer");
importer_class->generate_texture = gst_clapper_gl_importer_generate_texture;
}
GstClapperImporter *
make_importer (void)
{
return g_object_new (GST_TYPE_CLAPPER_GL_IMPORTER, NULL);
}
GstCaps *
make_caps (GstRank *rank, GStrv *context_types)
{
*rank = GST_RANK_SECONDARY;
*context_types = gst_clapper_gl_base_importer_make_gl_context_types ();
return gst_clapper_gl_base_importer_make_supported_gdk_gl_caps ();
}