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/*
* GStreamer
* Copyright (C) 2008 Julien Isorce <julien.isorce@gmail.com>
* Copyright (C) 2012 Matthew Waters <ystreet00@gmail.com>
* Copyright (C) 2013 Sebastian Dröge <slomo@circular-chaos.org>
*
* 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.
*/
/* TODO: - Window resize handling
* - Event handling input event handling
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gst/gst.h>
#include <gst/gl/egl/gstglcontext_egl.h>
#include "gstglwindow_android_egl.h"
#define GST_CAT_DEFAULT gst_gl_window_debug
#define gst_gl_window_android_egl_parent_class parent_class
G_DEFINE_TYPE (GstGLWindowAndroidEGL, gst_gl_window_android_egl,
GST_GL_TYPE_WINDOW);
static guintptr gst_gl_window_android_egl_get_display (GstGLWindow * window);
static guintptr gst_gl_window_android_egl_get_window_handle (GstGLWindow *
window);
static void gst_gl_window_android_egl_set_window_handle (GstGLWindow * window,
guintptr handle);
static void gst_gl_window_android_egl_draw (GstGLWindow * window);
static void gst_gl_window_android_egl_run (GstGLWindow * window);
static void gst_gl_window_android_egl_quit (GstGLWindow * window);
static void gst_gl_window_android_egl_send_message_async (GstGLWindow * window,
GstGLWindowCB callback, gpointer data, GDestroyNotify destroy);
static gboolean gst_gl_window_android_egl_open (GstGLWindow * window,
GError ** error);
static void gst_gl_window_android_egl_close (GstGLWindow * window);
static void
gst_gl_window_android_egl_class_init (GstGLWindowAndroidEGLClass * klass)
{
GstGLWindowClass *window_class = (GstGLWindowClass *) klass;
window_class->get_display =
GST_DEBUG_FUNCPTR (gst_gl_window_android_egl_get_display);
window_class->get_window_handle =
GST_DEBUG_FUNCPTR (gst_gl_window_android_egl_get_window_handle);
window_class->set_window_handle =
GST_DEBUG_FUNCPTR (gst_gl_window_android_egl_set_window_handle);
window_class->draw_unlocked =
GST_DEBUG_FUNCPTR (gst_gl_window_android_egl_draw);
window_class->draw = GST_DEBUG_FUNCPTR (gst_gl_window_android_egl_draw);
window_class->run = GST_DEBUG_FUNCPTR (gst_gl_window_android_egl_run);
window_class->quit = GST_DEBUG_FUNCPTR (gst_gl_window_android_egl_quit);
window_class->send_message_async =
GST_DEBUG_FUNCPTR (gst_gl_window_android_egl_send_message_async);
window_class->open = GST_DEBUG_FUNCPTR (gst_gl_window_android_egl_open);
window_class->close = GST_DEBUG_FUNCPTR (gst_gl_window_android_egl_close);
}
static void
gst_gl_window_android_egl_init (GstGLWindowAndroidEGL * window)
{
}
/* Must be called in the gl thread */
GstGLWindowAndroidEGL *
gst_gl_window_android_egl_new (void)
{
GstGLWindowAndroidEGL *window;
GST_DEBUG ("creating Android EGL window");
window = g_object_new (GST_GL_TYPE_WINDOW_ANDROID_EGL, NULL);
return window;
}
static gboolean
gst_gl_window_android_egl_open (GstGLWindow * window, GError ** error)
{
GstGLWindowAndroidEGL *window_egl;
window_egl = GST_GL_WINDOW_ANDROID_EGL (window);
window_egl->main_context = g_main_context_new ();
window_egl->loop = g_main_loop_new (window_egl->main_context, FALSE);
return TRUE;
}
static void
gst_gl_window_android_egl_close (GstGLWindow * window)
{
GstGLWindowAndroidEGL *window_egl;
window_egl = GST_GL_WINDOW_ANDROID_EGL (window);
g_main_loop_unref (window_egl->loop);
g_main_context_unref (window_egl->main_context);
}
static void
gst_gl_window_android_egl_run (GstGLWindow * window)
{
GstGLWindowAndroidEGL *window_egl;
window_egl = GST_GL_WINDOW_ANDROID_EGL (window);
GST_LOG ("starting main loop");
g_main_loop_run (window_egl->loop);
GST_LOG ("exiting main loop");
}
static void
gst_gl_window_android_egl_quit (GstGLWindow * window)
{
GstGLWindowAndroidEGL *window_egl;
window_egl = GST_GL_WINDOW_ANDROID_EGL (window);
GST_LOG ("sending quit");
g_main_loop_quit (window_egl->loop);
GST_LOG ("quit sent");
}
typedef struct _GstGLMessage
{
GstGLWindowCB callback;
gpointer data;
GDestroyNotify destroy;
} GstGLMessage;
static gboolean
_run_message (GstGLMessage * message)
{
if (message->callback)
message->callback (message->data);
if (message->destroy)
message->destroy (message->data);
g_slice_free (GstGLMessage, message);
return FALSE;
}
static void
gst_gl_window_android_egl_send_message_async (GstGLWindow * window,
GstGLWindowCB callback, gpointer data, GDestroyNotify destroy)
{
GstGLWindowAndroidEGL *window_egl;
GstGLMessage *message;
window_egl = GST_GL_WINDOW_ANDROID_EGL (window);
message = g_slice_new (GstGLMessage);
message->callback = callback;
message->data = data;
message->destroy = destroy;
g_main_context_invoke (window_egl->main_context, (GSourceFunc) _run_message,
message);
}
static void
gst_gl_window_android_egl_set_window_handle (GstGLWindow * window,
guintptr handle)
{
GstGLWindowAndroidEGL *window_egl = GST_GL_WINDOW_ANDROID_EGL (window);
window_egl->native_window = (EGLNativeWindowType) handle;
}
static guintptr
gst_gl_window_android_egl_get_window_handle (GstGLWindow * window)
{
GstGLWindowAndroidEGL *window_egl = GST_GL_WINDOW_ANDROID_EGL (window);
return (guintptr) window_egl->native_window;
}
static void
draw_cb (gpointer data)
{
GstGLWindowAndroidEGL *window_egl = data;
GstGLWindow *window = GST_GL_WINDOW (window_egl);
GstGLContext *context = gst_gl_window_get_context (window);
GstGLContextEGL *context_egl = GST_GL_CONTEXT_EGL (context);
GstGLContextClass *context_class = GST_GL_CONTEXT_GET_CLASS (context);
if (context_egl->egl_surface) {
gint width, height;
if (eglQuerySurface (context_egl->egl_display,
context_egl->egl_surface, EGL_WIDTH, &width) &&
eglQuerySurface (context_egl->egl_display,
context_egl->egl_surface, EGL_HEIGHT, &height)
&& (width != window_egl->window_width
|| height != window_egl->window_height)) {
window_egl->window_width = width;
window_egl->window_height = height;
if (window->resize)
window->resize (window->resize_data, width, height);
}
}
if (window->draw)
window->draw (window->draw_data);
context_class->swap_buffers (context);
gst_object_unref (context);
}
static void
gst_gl_window_android_egl_draw (GstGLWindow * window)
{
gst_gl_window_send_message (window, (GstGLWindowCB) draw_cb, window);
}
static guintptr
gst_gl_window_android_egl_get_display (GstGLWindow * window)
{
return 0;
}
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