diff --git a/lib/gst/plugin/importers/gstclappervaglimporter.c b/lib/gst/plugin/importers/gstclappervaglimporter.c new file mode 100644 index 00000000..5fb27a20 --- /dev/null +++ b/lib/gst/plugin/importers/gstclappervaglimporter.c @@ -0,0 +1,83 @@ +/* + * Copyright (C) 2022 Rafał Dzięgiel + * + * 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 "gstclappervaglimporter.h" +#include "gst/plugin/gstgdkformats.h" + +#include + +#define GST_CAT_DEFAULT gst_clapper_va_gl_importer_debug +GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT); + +#define parent_class gst_clapper_va_gl_importer_parent_class +GST_CLAPPER_IMPORTER_DEFINE (GstClapperVAGLImporter, gst_clapper_va_gl_importer, GST_TYPE_CLAPPER_GL_BASE_IMPORTER); + +static GdkTexture * +gst_clapper_va_gl_importer_generate_texture (GstClapperImporter *importer, + GstBuffer *buffer, GstVideoInfo *v_info) +{ + return NULL; +} + +static void +gst_clapper_va_gl_importer_init (GstClapperVAGLImporter *self) +{ +} + +static void +gst_clapper_va_gl_importer_class_init (GstClapperVAGLImporterClass *klass) +{ + GstClapperImporterClass *importer_class = (GstClapperImporterClass *) klass; + + GST_DEBUG_CATEGORY_INIT (GST_CAT_DEFAULT, "clappervaglimporter", 0, + "Clapper VA GL Importer"); + + importer_class->generate_texture = gst_clapper_va_gl_importer_generate_texture; +} + +GstClapperImporter * +make_importer (void) +{ + return g_object_new (GST_TYPE_CLAPPER_VA_GL_IMPORTER, NULL); +} + +GstCaps * +make_caps (GstRank *rank, GStrv *context_types) +{ + GstCaps *caps, *tmp; + + *rank = GST_RANK_PRIMARY; + + tmp = gst_caps_from_string ( + GST_VIDEO_CAPS_MAKE_WITH_FEATURES (GST_CAPS_FEATURE_MEMORY_VA, + "{ " GST_GDK_GL_TEXTURE_FORMATS " }")); + + caps = gst_caps_copy (tmp); + gst_caps_set_features_simple (caps, gst_caps_features_new ( + GST_CAPS_FEATURE_MEMORY_VA, + GST_CAPS_FEATURE_META_GST_VIDEO_OVERLAY_COMPOSITION, NULL)); + + gst_caps_append (caps, tmp); + + return caps; +} diff --git a/lib/gst/plugin/importers/gstclappervaglimporter.h b/lib/gst/plugin/importers/gstclappervaglimporter.h new file mode 100644 index 00000000..35f521f1 --- /dev/null +++ b/lib/gst/plugin/importers/gstclappervaglimporter.h @@ -0,0 +1,36 @@ +/* + * Copyright (C) 2022 Rafał Dzięgiel + * + * 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 "gstclapperglbaseimporter.h" + +G_BEGIN_DECLS + +#define GST_TYPE_CLAPPER_VA_GL_IMPORTER (gst_clapper_va_gl_importer_get_type()) +G_DECLARE_FINAL_TYPE (GstClapperVAGLImporter, gst_clapper_va_gl_importer, GST, CLAPPER_VA_GL_IMPORTER, GstClapperGLBaseImporter) + +#define GST_CLAPPER_VA_GL_IMPORTER_CAST(obj) ((GstClapperVAGLImporter *)(obj)) + +struct _GstClapperVAGLImporter +{ + GstClapperGLBaseImporter parent; +}; + +G_END_DECLS diff --git a/lib/gst/plugin/importers/meson.build b/lib/gst/plugin/importers/meson.build index baa11cf5..d2157816 100644 --- a/lib/gst/plugin/importers/meson.build +++ b/lib/gst/plugin/importers/meson.build @@ -3,10 +3,12 @@ gst_clapper_gl_base_importer_dep = dependency('', required: false) plugin_needs_gl_base = ( not get_option('glimporter').disabled() or not get_option('gluploader').disabled() + or not get_option('vaglimporter').disabled() ) plugin_gl_support_required = ( get_option('glimporter').enabled() or get_option('gluploader').enabled() + or get_option('vaglimporter').enabled() ) gst_plugin_gl_deps = [gstgl_dep, gstglproto_dep] @@ -118,3 +120,38 @@ if build_rawimporter install_dir: gst_clapper_importers_libdir, ) endif + +gst_va_dep = dependency('gstreamer-va-1.0', + version: gst_req, + required: false, +) + +gst_clapper_va_gl_importer_deps = [ + gst_clapper_gl_base_importer_dep, + gst_va_dep, +] + +foreach dep : gst_clapper_va_gl_importer_deps + if not dep.found() + if get_option('vaglimporter').enabled() + error('VA GL-based importer was enabled, but required dependencies were not found') + endif + endif +endforeach + +build_vaglimporter = ( + not get_option('vaglimporter').disabled() + and gst_clapper_gl_base_importer_dep.found() +) + +if build_vaglimporter + library( + 'gstclappervaglimporter', + 'gstclappervaglimporter.c', + dependencies: gst_clapper_va_gl_importer_deps, + include_directories: configinc, + c_args: gst_clapper_plugin_args, + install: true, + install_dir: gst_clapper_importers_libdir, + ) +endif diff --git a/meson_options.txt b/meson_options.txt index 67e9c482..9f0eb8f5 100644 --- a/meson_options.txt +++ b/meson_options.txt @@ -14,10 +14,10 @@ option('gst-plugin', description: 'Build GStreamer plugin (includes GTK video sink element)' ) -option('rawimporter', +option('vaglimporter', type: 'feature', value: 'auto', - description: 'Build RAW system memory importer for clappersink' + description: 'Build VA memory GL-based importer for clappersink' ) option('glimporter', type: 'feature', @@ -29,6 +29,11 @@ option('gluploader', value: 'auto', description: 'Build GL uploader for clappersink' ) +option('rawimporter', + type: 'feature', + value: 'auto', + description: 'Build RAW system memory importer for clappersink' +) option('devel-checks', type: 'boolean',