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plugin: Rework code to use new GL context handler

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Create a GL context handler subclass of recently added context handler base class and
rework code to use it. This simplifies a lot of things, like: switching of importers
at runtime, handling context queries, sharing data between importers, etc.
This commit is contained in:
Rafał Dzięgiel
2022-06-12 14:03:36 +02:00
parent 0920914b89
commit 04a028d689
17 changed files with 713 additions and 847 deletions
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64
lib/gst/plugin/handlers/gl/gstclapperglcontexthandler.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/gst.h>
#include <gst/video/video.h>
#include <gst/gl/gl.h>
#include <gst/gl/gstglfuncs.h>
#include <gtk/gtk.h>
#include "gst/plugin/gstclappercontexthandler.h"
G_BEGIN_DECLS
#define GST_TYPE_CLAPPER_GL_CONTEXT_HANDLER (gst_clapper_gl_context_handler_get_type())
G_DECLARE_FINAL_TYPE (GstClapperGLContextHandler, gst_clapper_gl_context_handler, GST, CLAPPER_GL_CONTEXT_HANDLER, GstClapperContextHandler)
#define GST_CLAPPER_GL_CONTEXT_HANDLER_CAST(obj) ((GstClapperGLContextHandler *)(obj))
#define GST_CLAPPER_GL_CONTEXT_HANDLER_HAVE_WAYLAND (GST_GL_HAVE_WINDOW_WAYLAND && defined (GDK_WINDOWING_WAYLAND))
#define GST_CLAPPER_GL_CONTEXT_HANDLER_HAVE_X11 (GST_GL_HAVE_WINDOW_X11 && defined (GDK_WINDOWING_X11))
#define GST_CLAPPER_GL_CONTEXT_HANDLER_HAVE_X11_GLX (GST_CLAPPER_GL_CONTEXT_HANDLER_HAVE_X11 && GST_GL_HAVE_PLATFORM_GLX)
#define GST_CLAPPER_GL_CONTEXT_HANDLER_HAVE_X11_EGL (GST_CLAPPER_GL_CONTEXT_HANDLER_HAVE_X11 && GST_GL_HAVE_PLATFORM_EGL)
#define GST_CLAPPER_GL_CONTEXT_HANDLER_HAVE_WIN32 (GST_GL_HAVE_WINDOW_WIN32 && defined (GDK_WINDOWING_WIN32))
#define GST_CLAPPER_GL_CONTEXT_HANDLER_HAVE_WIN32_WGL (GST_CLAPPER_GL_CONTEXT_HANDLER_HAVE_WIN32 && GST_GL_HAVE_PLATFORM_WGL)
#define GST_CLAPPER_GL_CONTEXT_HANDLER_HAVE_WIN32_EGL (GST_CLAPPER_GL_CONTEXT_HANDLER_HAVE_WIN32 && GST_GL_HAVE_PLATFORM_EGL)
#define GST_CLAPPER_GL_CONTEXT_HANDLER_HAVE_MACOS (GST_GL_HAVE_WINDOW_COCOA && defined (GDK_WINDOWING_MACOS) && GST_GL_HAVE_PLATFORM_CGL)
struct _GstClapperGLContextHandler
{
GstClapperContextHandler parent;
GdkGLContext *gdk_context;
GstGLDisplay *gst_display;
GstGLContext *wrapped_context;
GstGLContext *gst_context;
};
void gst_clapper_gl_context_handler_add_handler (GPtrArray *context_handlers);
GstCaps * gst_clapper_gl_context_handler_make_gdk_gl_caps (const gchar *features, gboolean only_2d);
GdkTexture * gst_clapper_gl_context_handler_make_gl_texture (GstClapperGLContextHandler *handler, GstBuffer *buffer, GstVideoInfo *v_info);
G_END_DECLS