mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-09-08 13:18:52 +00:00
No-one is using it. The only code that did was the x11 one which doesn't need it anymore.
628 lines
18 KiB
Objective-C
628 lines
18 KiB
Objective-C
/*
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* GStreamer
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* Copyright (C) 2008 Julien Isorce <julien.isorce@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 un der 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 <Cocoa/Cocoa.h>
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#include "gstgl_cocoa_private.h"
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/* =============================================================*/
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/* */
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/* GstGLNSWindow declaration */
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/* */
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/* =============================================================*/
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@interface GstGLNSWindow: NSWindow {
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BOOL m_isClosed;
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GstGLWindowCocoa *m_cocoa;
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}
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- (id)initWithContentRect:(NSRect)contentRect
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styleMask: (unsigned int) styleMask
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backing: (NSBackingStoreType) bufferingType
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defer: (BOOL) flag screen: (NSScreen *) aScreen
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gstWin: (GstGLWindowCocoa *) window;
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- (void) setClosed;
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- (BOOL) isClosed;
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- (BOOL) canBecomeMainWindow;
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- (BOOL) canBecomeKeyWindow;
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@end
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/* =============================================================*/
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/* */
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/* GstGLWindow */
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/* */
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/* =============================================================*/
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#ifndef GNUSTEP
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static BOOL GSRegisterCurrentThread(void) { return TRUE; };
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static void GSUnregisterCurrentThread(void) {};
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#endif
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#define GST_GL_WINDOW_COCOA_GET_PRIVATE(o) \
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(G_TYPE_INSTANCE_GET_PRIVATE((o), GST_GL_TYPE_WINDOW_COCOA, GstGLWindowCocoaPrivate))
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#define GST_CAT_DEFAULT gst_gl_window_cocoa_debug
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GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
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#define DEBUG_INIT \
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GST_DEBUG_CATEGORY_GET (GST_CAT_DEFAULT, "glwindow");
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#define gst_gl_window_cocoa_parent_class parent_class
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G_DEFINE_TYPE_WITH_CODE (GstGLWindowCocoa, gst_gl_window_cocoa, GST_GL_TYPE_WINDOW, DEBUG_INIT);
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static guintptr gst_gl_window_cocoa_get_window_handle (GstGLWindow * window);
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static void gst_gl_window_cocoa_set_window_handle (GstGLWindow * window,
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guintptr handle);
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static void gst_gl_window_cocoa_draw (GstGLWindow * window, guint width, guint height);
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static void gst_gl_window_cocoa_run (GstGLWindow * window);
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static void gst_gl_window_cocoa_quit (GstGLWindow * window);
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static void gst_gl_window_cocoa_send_message_async (GstGLWindow * window,
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GstGLWindowCB callback, gpointer data, GDestroyNotify destroy);
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struct _GstGLWindowCocoaPrivate
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{
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GstGLNSWindow *internal_win_id;
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gboolean visible;
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NSWindow *parent;
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NSThread *thread;
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gboolean running;
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};
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static void
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gst_gl_window_cocoa_class_init (GstGLWindowCocoaClass * klass)
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{
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GstGLWindowClass *window_class;
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#ifndef GNUSTEP
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NSAutoreleasePool* pool = nil;
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#endif
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window_class = (GstGLWindowClass *) klass;
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g_type_class_add_private (klass, sizeof (GstGLWindowCocoaPrivate));
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window_class->get_window_handle =
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GST_DEBUG_FUNCPTR (gst_gl_window_cocoa_get_window_handle);
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window_class->set_window_handle =
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GST_DEBUG_FUNCPTR (gst_gl_window_cocoa_set_window_handle);
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window_class->draw_unlocked = GST_DEBUG_FUNCPTR (gst_gl_window_cocoa_draw);
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window_class->draw = GST_DEBUG_FUNCPTR (gst_gl_window_cocoa_draw);
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window_class->run = GST_DEBUG_FUNCPTR (gst_gl_window_cocoa_run);
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window_class->quit = GST_DEBUG_FUNCPTR (gst_gl_window_cocoa_quit);
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window_class->send_message_async =
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GST_DEBUG_FUNCPTR (gst_gl_window_cocoa_send_message_async);
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#ifndef GNUSTEP
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pool = [[NSAutoreleasePool alloc] init];
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[NSApplication sharedApplication];
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[pool release];
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#endif
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}
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static void
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gst_gl_window_cocoa_init (GstGLWindowCocoa * window)
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{
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window->priv = GST_GL_WINDOW_COCOA_GET_PRIVATE (window);
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}
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/* Must be called in the gl thread */
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GstGLWindowCocoa *
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gst_gl_window_cocoa_new (void)
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{
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GstGLWindowCocoa *window = g_object_new (GST_GL_TYPE_WINDOW_COCOA, NULL);
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return window;
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}
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gboolean
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gst_gl_window_cocoa_create_window (GstGLWindowCocoa *window_cocoa)
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{
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GstGLWindow *window = GST_GL_WINDOW (window_cocoa);
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GstGLContext *context = gst_gl_window_get_context (window);
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GstGLContextCocoa *context_cocoa = GST_GL_CONTEXT_COCOA (context);
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GstGLWindowCocoaPrivate *priv = window_cocoa->priv;
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NSRect rect = context_cocoa->priv->rect;
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priv->internal_win_id =[[GstGLNSWindow alloc] initWithContentRect:rect styleMask:
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(NSTitledWindowMask | NSClosableWindowMask |
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NSResizableWindowMask | NSMiniaturizableWindowMask)
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backing: NSBackingStoreBuffered defer: NO screen: nil gstWin: window_cocoa];
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GST_DEBUG ("NSWindow id: %lud\n", (guintptr) priv->internal_win_id);
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priv->thread = [NSThread currentThread];
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[NSApp setDelegate: priv->internal_win_id];
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gst_object_unref (context);
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return TRUE;
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}
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static guintptr
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gst_gl_window_cocoa_get_window_handle (GstGLWindow *window)
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{
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return (guintptr) GST_GL_WINDOW_COCOA (window)->priv->internal_win_id;
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}
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static void
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gst_gl_window_cocoa_set_window_handle (GstGLWindow * window, guintptr handle)
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{
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GstGLWindowCocoa *window_cocoa;
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GstGLWindowCocoaPrivate *priv;
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window_cocoa = GST_GL_WINDOW_COCOA (window);
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priv = window_cocoa->priv;
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if (priv->internal_win_id) {
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GstGLContextCocoa *context = (GstGLContextCocoa *) gst_gl_window_get_context (window);
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NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
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AppThreadPerformer* app_thread_performer = [[AppThreadPerformer alloc] init:window_cocoa];
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GSRegisterCurrentThread();
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if (context) {
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if (context->priv->source_id) {
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g_source_remove (context->priv->source_id);
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context->priv->source_id = 0;
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}
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gst_object_unref (context);
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}
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if (handle) {
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priv->parent = (NSWindow*) handle;
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priv->visible = TRUE;
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} else {
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/* bring back our internal window */
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priv->parent = priv->internal_win_id;
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priv->visible = FALSE;
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}
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[app_thread_performer performSelectorOnMainThread:@selector(setWindow)
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withObject:0 waitUntilDone:YES];
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[pool release];
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} else {
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/* not internal window yet so delay it to the next drawing */
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priv->parent = (NSWindow*) handle;
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priv->visible = FALSE;
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}
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}
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/* Thread safe */
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static void
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gst_gl_window_cocoa_draw (GstGLWindow * window, guint width, guint height)
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{
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GstGLWindowCocoa *window_cocoa;
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GstGLWindowCocoaPrivate *priv;
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NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
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AppThreadPerformer* app_thread_performer;
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window_cocoa = GST_GL_WINDOW_COCOA (window);
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priv = window_cocoa->priv;
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GSRegisterCurrentThread();
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app_thread_performer = [[AppThreadPerformer alloc] init:window_cocoa];
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[app_thread_performer performSelector:@selector(updateWindow)
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onThread:priv->thread withObject:nil waitUntilDone:YES];
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/* useful when set_window_handle is called before
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* the internal NSWindow */
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if (priv->parent && !priv->visible) {
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gst_gl_window_cocoa_set_window_handle (window, (guintptr) priv->parent);
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priv->visible = TRUE;
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}
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if (!priv->parent && !priv->visible) {
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static gint x = 0;
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static gint y = 0;
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NSRect mainRect = [[NSScreen mainScreen] visibleFrame];
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NSRect windowRect = [priv->internal_win_id frame];
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GST_DEBUG ("main screen rect: %d %d %d %d\n", (int) mainRect.origin.x,
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(int) mainRect.origin.y, (int) mainRect.size.width,
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(int) mainRect.size.height);
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windowRect.origin.x += x;
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windowRect.origin.y += mainRect.size.height > y ? (mainRect.size.height - y) * 0.5 : y;
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windowRect.size.width = width;
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windowRect.size.height = height;
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GST_DEBUG ("window rect: %d %d %d %d\n", (int) windowRect.origin.x,
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(int) windowRect.origin.y, (int) windowRect.size.width,
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(int) windowRect.size.height);
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x += 20;
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y += 20;
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#ifndef GNUSTEP
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[priv->internal_win_id setFrame:windowRect display:NO];
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GST_DEBUG ("make the window available\n");
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[priv->internal_win_id makeMainWindow];
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#endif
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[app_thread_performer performSelector:@selector(orderFront)
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onThread:priv->thread withObject:nil waitUntilDone:YES];
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/*[priv->internal_win_id setViewsNeedDisplay:YES]; */
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priv->visible = TRUE;
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}
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[pool release];
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}
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static void
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gst_gl_window_cocoa_run (GstGLWindow * window)
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{
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GstGLWindowCocoa *window_cocoa;
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GstGLWindowCocoaPrivate *priv;
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NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
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NSRunLoop *run_loop = [NSRunLoop currentRunLoop];
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window_cocoa = GST_GL_WINDOW_COCOA (window);
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priv = window_cocoa->priv;
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[run_loop addPort:[NSPort port] forMode:NSDefaultRunLoopMode];
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GST_DEBUG ("begin loop\n");
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if (priv->internal_win_id != nil) {
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priv->running = TRUE;
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while (priv->running)
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[run_loop runMode:NSDefaultRunLoopMode beforeDate:[NSDate distantFuture]];
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[priv->internal_win_id release];
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priv->internal_win_id = nil;
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}
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[pool release];
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GST_DEBUG ("end loop\n");
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}
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/* Thread safe */
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static void
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gst_gl_window_cocoa_quit (GstGLWindow * window)
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{
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GstGLWindowCocoa *window_cocoa;
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GstGLWindowCocoaPrivate *priv;
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window_cocoa = GST_GL_WINDOW_COCOA (window);
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priv = window_cocoa->priv;
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if (window) {
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if (GSRegisterCurrentThread() || 1) {
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NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
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AppThreadPerformer* app_thread_performer = [[AppThreadPerformer alloc]
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initWithAll:window_cocoa callback:NULL userData:NULL];
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[app_thread_performer performSelector:@selector(stopApp)
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onThread:priv->thread withObject:nil waitUntilDone:YES];
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[pool release];
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GSUnregisterCurrentThread();
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}
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else
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GST_DEBUG ("failed to register current thread, application thread is lost\n");
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}
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}
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/* Thread safe */
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static void
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gst_gl_window_cocoa_send_message_async (GstGLWindow * window,
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GstGLWindowCB callback, gpointer data, GDestroyNotify destroy)
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{
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GstGLWindowCocoa *window_cocoa;
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GstGLWindowCocoaPrivate *priv;
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window_cocoa = GST_GL_WINDOW_COCOA (window);
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priv = window_cocoa->priv;
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GSRegisterCurrentThread ();
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if (window) {
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NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
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AppThreadPerformer* app_thread_performer = [[AppThreadPerformer alloc]
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initWithAll:window_cocoa callback:callback userData:data];
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[app_thread_performer performSelector:@selector(sendToApp) onThread:priv->thread
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withObject:nil waitUntilDone:NO];
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[pool release];
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}
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}
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/* =============================================================*/
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/* */
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/* GstGLNSWindow implementation */
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/* */
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/* =============================================================*/
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@implementation GstGLNSWindow
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- (id) initWithContentRect: (NSRect) contentRect
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styleMask: (unsigned int) styleMask
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backing: (NSBackingStoreType) bufferingType
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defer: (BOOL) flag screen: (NSScreen *) aScreen
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gstWin: (GstGLWindowCocoa *) cocoa {
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m_isClosed = NO;
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m_cocoa = cocoa;
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self = [super initWithContentRect: contentRect
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styleMask: styleMask backing: bufferingType
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defer: flag screen:aScreen];
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[self setReleasedWhenClosed:NO];
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GST_DEBUG ("initializing GstGLNSWindow\n");
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[self setTitle:@"OpenGL renderer"];
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[self setBackgroundColor:[NSColor clearColor]];
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[self orderOut:m_cocoa->priv->internal_win_id];
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if (m_cocoa->priv->parent) {
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NSWindow *window = m_cocoa->priv->parent;
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[window setContentView: [m_cocoa->priv->internal_win_id contentView]];
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}
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return self;
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}
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- (void) setClosed {
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m_isClosed = YES;
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}
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- (BOOL) isClosed {
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return m_isClosed;
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}
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- (BOOL) canBecomeMainWindow {
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return YES;
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}
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- (BOOL) canBecomeKeyWindow {
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return YES;
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}
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/* Called in the main thread which is never the gl thread */
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- (BOOL) windowShouldClose:(id)sender {
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NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
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AppThreadPerformer* app_thread_performer = [[AppThreadPerformer alloc]
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init:m_cocoa];
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GST_DEBUG ("user clicked the close button\n");
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[app_thread_performer performSelector:@selector(closeWindow) onThread:m_cocoa->priv->thread
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withObject:nil waitUntilDone:YES];
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[pool release];
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return YES;
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}
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- (void) applicationDidFinishLaunching: (NSNotification *) not {
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}
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- (void) applicationWillFinishLaunching: (NSNotification *) not {
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}
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- (BOOL) applicationShouldTerminateAfterLastWindowClosed:(NSApplication *)app {
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/* the application is manually stopped by calling stopApp on the AppThreadPerformer */
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return NO;
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}
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- (void) applicationWillTerminate:(NSNotification *)aNotification {
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#ifdef GNUSTEP
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/* fixes segfault with gst-launch-1.0 -e ... and sending SIGINT (Ctrl-C)
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* which causes GNUstep to run a signal handler in the main thread.
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* However that thread has never been 'registered' with GNUstep so
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* the autorelease magic of objective-c causes a segfault from accessing
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* a null NSThread object somewhere deep in GNUstep.
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*
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* I put it here because this is the first time we can register the thread.
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*/
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GSRegisterCurrentThread();
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#endif
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}
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@end
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/* =============================================================*/
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/* */
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/* GstGLNSOpenGLView implementation */
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/* */
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/* =============================================================*/
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@implementation GstGLNSOpenGLView
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- (id)initWithFrame:(GstGLWindowCocoa *)window rect:(NSRect)contentRect pixelFormat:(NSOpenGLPixelFormat *)fmt {
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self = [super initWithFrame: contentRect pixelFormat: fmt];
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m_cocoa = window;
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#ifndef GNUSTEP
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[self setWantsLayer:NO];
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#endif
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return self;
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}
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- (void)reshape {
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GstGLWindow *window;
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window = GST_GL_WINDOW (m_cocoa);
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if (window->resize) {
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NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
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NSRect bounds = [self bounds];
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AppThreadPerformer* app_thread_performer = [[AppThreadPerformer alloc]
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initWithSize:m_cocoa callback:window->resize userData:window->resize_data
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toSize:bounds.size];
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[app_thread_performer performSelector:@selector(resizeWindow) onThread:m_cocoa->priv->thread
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withObject:nil waitUntilDone:YES];
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[pool release];
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}
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}
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- (void) update {
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}
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@end
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/* =============================================================*/
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/* */
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/* AppThreadPerformer implementation */
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/* */
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/* =============================================================*/
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@implementation AppThreadPerformer
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- (id) init: (GstGLWindowCocoa *) window {
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m_cocoa = window;
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m_callback = NULL;
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m_callback2 = NULL;
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m_data = NULL;
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m_width = 0;
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m_height = 0;
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return self;
|
|
}
|
|
|
|
- (id) initWithCallback:(GstGLWindowCocoa *)window callback:(GstGLWindowCB)callback userData:(gpointer)data {
|
|
m_cocoa = window;
|
|
m_callback = callback;
|
|
m_callback2 = NULL;
|
|
m_data = data;
|
|
m_width = 0;
|
|
m_height = 0;
|
|
return self;
|
|
}
|
|
|
|
- (id) initWithSize: (GstGLWindowCocoa *) window
|
|
callback:(GstGLWindowResizeCB)callback userData:(gpointer)data
|
|
toSize:(NSSize)size {
|
|
m_cocoa = window;
|
|
m_callback = NULL;
|
|
m_callback2 = callback;
|
|
m_data = data;
|
|
m_width = size.width;
|
|
m_height = size.height;
|
|
return self;
|
|
}
|
|
|
|
- (id) initWithAll: (GstGLWindowCocoa *) window
|
|
callback:(GstGLWindowCB) callback userData: (gpointer) data {
|
|
m_cocoa = window;
|
|
m_callback = callback;
|
|
m_callback2 = NULL;
|
|
m_data = data;
|
|
m_width = 0;
|
|
m_height = 0;
|
|
return self;
|
|
}
|
|
|
|
- (void) updateWindow {
|
|
if (m_cocoa->priv->running) {
|
|
|
|
if (![m_cocoa->priv->internal_win_id isClosed]) {
|
|
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
|
|
|
|
/* draw opengl scene in the back buffer */
|
|
GST_GL_WINDOW (m_cocoa)->draw (GST_GL_WINDOW (m_cocoa)->draw_data);
|
|
/* Copy the back buffer to the front buffer */
|
|
[[[m_cocoa->priv->internal_win_id contentView] openGLContext] flushBuffer];
|
|
|
|
[pool release];
|
|
}
|
|
}
|
|
}
|
|
|
|
- (void) resizeWindow {
|
|
if (m_cocoa->priv->running && ![m_cocoa->priv->internal_win_id isClosed]) {
|
|
m_callback2 (m_data, m_width, m_height);
|
|
[[[m_cocoa->priv->internal_win_id contentView] openGLContext] update];
|
|
GST_GL_WINDOW (m_cocoa)->draw (GST_GL_WINDOW (m_cocoa)->draw_data);
|
|
[[[m_cocoa->priv->internal_win_id contentView] openGLContext] flushBuffer];
|
|
}
|
|
}
|
|
|
|
- (void) sendToApp {
|
|
if (m_callback)
|
|
m_callback (m_data);
|
|
}
|
|
|
|
- (void) setWindow {
|
|
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
|
|
NSWindow *window = m_cocoa->priv->parent;
|
|
|
|
[m_cocoa->priv->internal_win_id orderOut:m_cocoa->priv->internal_win_id];
|
|
|
|
[window setContentView: [m_cocoa->priv->internal_win_id contentView]];
|
|
|
|
[pool release];
|
|
}
|
|
|
|
- (void) stopApp {
|
|
#ifdef GNUSTEP
|
|
NSAutoreleasePool *pool = nil;
|
|
#endif
|
|
|
|
m_cocoa->priv->running = FALSE;
|
|
if (m_callback)
|
|
m_callback (m_data);
|
|
|
|
#ifdef GNUSTEP
|
|
pool = [[NSAutoreleasePool alloc] init];
|
|
if ([NSApp isRunning])
|
|
[NSApp stop:self];
|
|
[pool release];
|
|
#endif
|
|
}
|
|
|
|
- (void) closeWindow {
|
|
GstGLWindow *window;
|
|
|
|
window = GST_GL_WINDOW (m_cocoa);
|
|
|
|
[m_cocoa->priv->internal_win_id setClosed];
|
|
if (window->close) {
|
|
window->close (window->close_data);
|
|
}
|
|
}
|
|
|
|
- (void) orderFront {
|
|
[m_cocoa->priv->internal_win_id orderFront:m_cocoa->priv->internal_win_id];
|
|
}
|
|
|
|
@end
|