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