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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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150 lines
4 KiB
C
150 lines
4 KiB
C
/*
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* GStreamer
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* Copyright (C) 2014 Matthew Waters <ystreet00@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <gst/gl/egl/gstgldisplay_egl.h>
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GST_DEBUG_CATEGORY_STATIC (gst_gl_display_debug);
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#define GST_CAT_DEFAULT gst_gl_display_debug
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G_DEFINE_TYPE (GstGLDisplayEGL, gst_gl_display_egl, GST_TYPE_GL_DISPLAY);
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static void gst_gl_display_egl_finalize (GObject * object);
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static guintptr gst_gl_display_egl_get_handle (GstGLDisplay * display);
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static void
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gst_gl_display_egl_class_init (GstGLDisplayEGLClass * klass)
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{
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GST_GL_DISPLAY_CLASS (klass)->get_handle =
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GST_DEBUG_FUNCPTR (gst_gl_display_egl_get_handle);
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G_OBJECT_CLASS (klass)->finalize = gst_gl_display_egl_finalize;
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}
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static void
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gst_gl_display_egl_init (GstGLDisplayEGL * display_egl)
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{
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GstGLDisplay *display = (GstGLDisplay *) display_egl;
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display->type = GST_GL_DISPLAY_TYPE_EGL;
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display_egl->foreign_display = FALSE;
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}
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static void
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gst_gl_display_egl_finalize (GObject * object)
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{
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GstGLDisplayEGL *display_egl = GST_GL_DISPLAY_EGL (object);
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if (display_egl->gst_display) {
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gst_egl_display_unref (display_egl->gst_display);
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display_egl->gst_display = NULL;
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} else if (display_egl->display && !display_egl->foreign_display) {
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eglTerminate (display_egl->display);
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display_egl->display = NULL;
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}
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G_OBJECT_CLASS (gst_gl_display_egl_parent_class)->finalize (object);
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}
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/**
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* gst_gl_display_egl_new:
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* @name: (allow-none): a display name
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*
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* Create a new #GstGLDisplayEGL from the x11 display name. See XOpenDisplay()
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* for details on what is a valid name.
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*
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* Returns: (transfer full): a new #GstGLDisplayEGL or %NULL
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*/
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GstGLDisplayEGL *
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gst_gl_display_egl_new (void)
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{
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GstGLDisplayEGL *ret;
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GST_DEBUG_CATEGORY_GET (gst_gl_display_debug, "gldisplay");
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ret = g_object_new (GST_TYPE_GL_DISPLAY_EGL, NULL);
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ret->display = eglGetDisplay ((EGLNativeDisplayType) EGL_DEFAULT_DISPLAY);
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if (!ret->display) {
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GST_ERROR ("Failed to open EGL display connection");
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}
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return ret;
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}
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/**
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* gst_gl_display_egl_new_with_display:
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* @display: an existing, x11 display
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*
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* Creates a new display connection from a X11 Display.
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*
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* Returns: (transfer full): a new #GstGLDisplayEGL
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*/
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GstGLDisplayEGL *
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gst_gl_display_egl_new_with_egl_display (EGLDisplay * display)
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{
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GstGLDisplayEGL *ret;
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g_return_val_if_fail (display != NULL, NULL);
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GST_DEBUG_CATEGORY_GET (gst_gl_display_debug, "gldisplay");
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ret = g_object_new (GST_TYPE_GL_DISPLAY_EGL, NULL);
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ret->display = display;
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ret->foreign_display = TRUE;
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return ret;
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}
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/**
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* gst_gl_display_egl_new_with_display:
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* @display: an existing, x11 display
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*
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* Creates a new display connection from a X11 Display.
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*
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* Returns: (transfer full): a new #GstGLDisplayEGL
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*/
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GstGLDisplayEGL *
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gst_gl_display_egl_new_with_gst_egl_display (GstEGLDisplay * display)
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{
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GstGLDisplayEGL *ret;
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g_return_val_if_fail (display != NULL, NULL);
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GST_DEBUG_CATEGORY_GET (gst_gl_display_debug, "gldisplay");
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ret = g_object_new (GST_TYPE_GL_DISPLAY_EGL, NULL);
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ret->gst_display = gst_egl_display_ref (display);
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ret->display = gst_egl_display_get (display);
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ret->foreign_display = TRUE;
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return ret;
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}
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static guintptr
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gst_gl_display_egl_get_handle (GstGLDisplay * display)
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{
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return (guintptr) GST_GL_DISPLAY_EGL (display)->display;
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}
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