mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-03 16:09:39 +00:00
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>
|
|
* Copyright (C) <2018> Žan Doberšek <zdobersek@igalia.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 <EGL/egl.h>
|
|
#include <glib.h>
|
|
#include <gst/gl/gl.h>
|
|
#include <gst/gl/gstglfuncs.h>
|
|
#include <gst/gl/egl/gsteglimage.h>
|
|
#include <gst/gl/egl/gstgldisplay_egl.h>
|
|
#include <wpe/fdo.h>
|
|
#include <wpe/fdo-egl.h>
|
|
#include <wpe/webkit.h>
|
|
#include "gstwpesrc.h"
|
|
|
|
GST_DEBUG_CATEGORY_EXTERN(wpe_src_debug);
|
|
|
|
class WPEThreadedView {
|
|
public:
|
|
WPEThreadedView();
|
|
~WPEThreadedView();
|
|
|
|
void initialize(GstWpeSrc*, GstGLContext*, GstGLDisplay*, int width, int height);
|
|
|
|
void resize(int width, int height);
|
|
void loadUri(const gchar*);
|
|
void setDrawBackground(gboolean);
|
|
|
|
GstEGLImage* image();
|
|
|
|
struct wpe_view_backend* backend() const;
|
|
|
|
private:
|
|
void frameComplete();
|
|
void releaseImage(EGLImageKHR);
|
|
void loadUriUnlocked(const gchar*);
|
|
|
|
static void s_loadEvent(WebKitWebView*, WebKitLoadEvent, gpointer);
|
|
|
|
static gpointer s_viewThread(gpointer);
|
|
struct {
|
|
GMutex mutex;
|
|
GCond cond;
|
|
GMutex ready_mutex;
|
|
GCond ready_cond;
|
|
GThread* thread { nullptr };
|
|
} threading;
|
|
|
|
struct {
|
|
GMainContext* context;
|
|
GMainLoop* loop;
|
|
} glib { nullptr, nullptr };
|
|
|
|
struct {
|
|
GstGLContext* context;
|
|
GstGLDisplay* display;
|
|
} gst { nullptr, nullptr };
|
|
|
|
static struct wpe_view_backend_exportable_fdo_egl_client s_exportableClient;
|
|
static void s_releaseImage(GstEGLImage*, gpointer);
|
|
struct {
|
|
struct wpe_view_backend_exportable_fdo* exportable;
|
|
int width;
|
|
int height;
|
|
} wpe { nullptr, 0, 0 };
|
|
|
|
struct {
|
|
gchar* uri;
|
|
WebKitWebView* view;
|
|
} webkit = { nullptr, nullptr };
|
|
|
|
struct {
|
|
GMutex mutex;
|
|
GstEGLImage* pending { nullptr };
|
|
GstEGLImage* committed { nullptr };
|
|
} images;
|
|
};
|