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/* 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/gstglfuncs.h>
#include <gst/gl/egl/gstgldisplay_egl.h>
#include <wpe/fdo.h>
#include <wpe/fdo-egl.h>
#include <wpe/webkit.h>
#include "gstwpevideosrc.h"
typedef struct _GstGLContext GstGLContext;
typedef struct _GstGLDisplay GstGLDisplay;
typedef struct _GstEGLImage GstEGLImage;
class WPEView {
public:
WPEView(WebKitWebContext*, GstWpeVideoSrc*, GstGLContext*, GstGLDisplay*, int width, int height);
~WPEView();
bool operator!() const { return m_isValid; }
/* Used by wpevideosrc */
void resize(int width, int height);
void loadUri(const gchar*);
void loadData(GBytes*);
void setDrawBackground(gboolean);
GstEGLImage* image();
GstBuffer* buffer();
void dispatchKeyboardEvent(struct wpe_input_keyboard_event&);
void dispatchPointerEvent(struct wpe_input_pointer_event&);
void dispatchAxisEvent(struct wpe_input_axis_event&);
/* Used by WPEContextThread */
bool hasUri() const { return webkit.uri; }
void disconnectLoadFailedSignal();
void waitLoadCompletion();
protected:
void handleExportedImage(gpointer);
void handleExportedBuffer(struct wpe_fdo_shm_exported_buffer*);
private:
struct wpe_view_backend* backend() const;
void frameComplete();
void loadUriUnlocked(const gchar*);
void notifyLoadFinished();
void releaseImage(gpointer);
void releaseSHMBuffer(gpointer);
static void s_releaseSHMBuffer(gpointer);
struct {
GstGLContext* context;
GstGLDisplay* display;
GstGLDisplayEGL* display_egl;
} gst { nullptr, nullptr, nullptr };
static struct wpe_view_backend_exportable_fdo_egl_client s_exportableEGLClient;
static struct wpe_view_backend_exportable_fdo_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 };
bool m_isValid { false };
struct {
GMutex ready_mutex;
GCond ready_cond;
gboolean ready;
} threading;
// This mutex guards access to either egl or shm resources declared below,
// depending on the runtime behavior.
GMutex images_mutex;
struct {
GstEGLImage* pending;
GstEGLImage* committed;
} egl { nullptr, nullptr };
struct {
GstBuffer* pending;
GstBuffer* committed;
} shm { nullptr, nullptr };
struct {
gulong init_ext_sigid;
gulong extension_msg_sigid;
} audio {0, 0};
};
class WPEContextThread {
public:
static WPEContextThread& singleton();
WPEContextThread();
~WPEContextThread();
WPEView* createWPEView(GstWpeVideoSrc*, GstGLContext*, GstGLDisplay*, int width, int height);
template<typename Function>
void dispatch(Function);
private:
static gpointer s_viewThread(gpointer);
struct {
GMutex mutex;
GCond cond;
gboolean ready;
GThread* thread { nullptr };
} threading;
struct {
GMainContext* context;
GMainLoop* loop;
WebKitWebContext* web_context;
} glib { nullptr, nullptr, nullptr };
};
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