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5b8935bc77
The wpe element is used to produce a video texture representing a web page rendered off-screen by WPE. This element can be used to overlay HTML on top of another video stream for instance.
94 lines
2.6 KiB
C++
94 lines
2.6 KiB
C++
/* Copyright (C) <2018> Philippe Normand <philn@igalia.com>
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* Copyright (C) <2018> Žan Doberšek <zdobersek@igalia.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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#pragma once
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#include <EGL/egl.h>
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#include <glib.h>
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#include <gst/gl/gl.h>
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#include <gst/gl/gstglfuncs.h>
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#include <gst/gl/egl/gsteglimage.h>
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#include <gst/gl/egl/gstgldisplay_egl.h>
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#include <wpe/fdo.h>
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#include <wpe/fdo-egl.h>
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#include <wpe/webkit.h>
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#include "gstwpesrc.h"
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GST_DEBUG_CATEGORY_EXTERN(wpe_src_debug);
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class WPEThreadedView {
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public:
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WPEThreadedView();
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~WPEThreadedView();
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void initialize(GstWpeSrc*, GstGLContext*, GstGLDisplay*, int width, int height);
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void resize(int width, int height);
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void loadUri(const gchar*);
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void setDrawBackground(gboolean);
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GstEGLImage* image();
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struct wpe_view_backend* backend() const;
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private:
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void frameComplete();
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void releaseImage(EGLImageKHR);
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void loadUriUnlocked(const gchar*);
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static void s_loadEvent(WebKitWebView*, WebKitLoadEvent, gpointer);
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static gpointer s_viewThread(gpointer);
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struct {
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GMutex mutex;
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GCond cond;
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GMutex ready_mutex;
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GCond ready_cond;
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GThread* thread { nullptr };
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} threading;
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struct {
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GMainContext* context;
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GMainLoop* loop;
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} glib { nullptr, nullptr };
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struct {
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GstGLContext* context;
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GstGLDisplay* display;
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} gst { nullptr, nullptr };
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static struct wpe_view_backend_exportable_fdo_egl_client s_exportableClient;
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static void s_releaseImage(GstEGLImage*, gpointer);
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struct {
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struct wpe_view_backend_exportable_fdo* exportable;
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int width;
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int height;
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} wpe { nullptr, 0, 0 };
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struct {
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gchar* uri;
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WebKitWebView* view;
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} webkit = { nullptr, nullptr };
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struct {
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GMutex mutex;
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GstEGLImage* pending { nullptr };
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GstEGLImage* committed { nullptr };
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} images;
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};
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