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glwindow: provides some default implementations to factorize with all backends

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This commit is contained in:
Julien Isorce 2015-05-26 18:38:39 +01:00 committed by Tim-Philipp Müller
parent 7361160673
commit 2472bcaaa6
1 changed files with 121 additions and 109 deletions
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230
gst-libs/gst/gl/gstglwindow.c
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@ -77,8 +77,13 @@ G_DEFINE_ABSTRACT_TYPE (GstGLWindow, gst_gl_window, GST_TYPE_OBJECT);
#define GST_GL_WINDOW_GET_PRIVATE(o) \
(G_TYPE_INSTANCE_GET_PRIVATE((o), GST_GL_TYPE_WINDOW, GstGLWindowPrivate))
static void gst_gl_window_default_draw (GstGLWindow * window);
static void gst_gl_window_default_run (GstGLWindow * window);
static void gst_gl_window_default_quit (GstGLWindow * window);
static void gst_gl_window_default_send_message (GstGLWindow * window,
GstGLWindowCB callback, gpointer data);
static void gst_gl_window_default_send_message_async (GstGLWindow * window,
GstGLWindowCB callback, gpointer data, GDestroyNotify destroy);
static gpointer gst_gl_window_navigation_thread (GstGLWindow * window);
void gst_gl_window_run_navigation (GstGLWindow * window);
void gst_gl_window_open_navigation (GstGLWindow * window);
@ -87,6 +92,8 @@ void gst_gl_window_quit_navigation (GstGLWindow * window);
struct _GstGLWindowPrivate
{
GMainContext *main_context;
GMainLoop *loop;
GThread *navigation_thread;
gboolean alive;
@ -99,9 +106,6 @@ typedef struct _GstGLDummyWindow
GstGLWindow parent;
guintptr handle;
GMainContext *main_context;
GMainLoop *loop;
} GstGLDummyWindow;
typedef struct _GstGLDummyWindowCass
@ -127,6 +131,39 @@ gst_gl_window_error_quark (void)
return g_quark_from_static_string ("gst-gl-window-error-quark");
}
static gboolean
gst_gl_window_default_open (GstGLWindow * window, GError ** error)
{
GstGLWindowPrivate *priv = window->priv;
if (g_main_context_get_thread_default ()) {
priv->main_context = g_main_context_ref_thread_default ();
priv->loop = NULL;
priv->alive = TRUE;
} else {
priv->main_context = g_main_context_new ();
g_main_context_push_thread_default (priv->main_context);
priv->loop = g_main_loop_new (priv->main_context, FALSE);
}
return TRUE;
}
static void
gst_gl_window_default_close (GstGLWindow * window)
{
GstGLWindowPrivate *priv = window->priv;
if (priv->loop)
g_main_loop_unref (priv->loop);
else
priv->alive = FALSE;
g_main_context_pop_thread_default (priv->main_context);
g_main_context_unref (priv->main_context);
}
static void
gst_gl_window_init (GstGLWindow * window)
{
@ -148,7 +185,15 @@ gst_gl_window_class_init (GstGLWindowClass * klass)
{
g_type_class_add_private (klass, sizeof (GstGLWindowPrivate));
klass->open = GST_DEBUG_FUNCPTR (gst_gl_window_default_open);
klass->close = GST_DEBUG_FUNCPTR (gst_gl_window_default_close);
klass->run = GST_DEBUG_FUNCPTR (gst_gl_window_default_run);
klass->quit = GST_DEBUG_FUNCPTR (gst_gl_window_default_quit);
klass->draw_unlocked = GST_DEBUG_FUNCPTR (gst_gl_window_default_draw);
klass->draw = GST_DEBUG_FUNCPTR (gst_gl_window_default_draw);
klass->send_message = GST_DEBUG_FUNCPTR (gst_gl_window_default_send_message);
klass->send_message_async =
GST_DEBUG_FUNCPTR (gst_gl_window_default_send_message_async);
G_OBJECT_CLASS (klass)->finalize = gst_gl_window_finalize;
@ -364,6 +409,29 @@ gst_gl_window_set_window_handle (GstGLWindow * window, guintptr handle)
/* window_class->set_window_handle (window, handle); */
}
static void
draw_cb (gpointer data)
{
GstGLWindow *window = GST_GL_WINDOW (data);
GstGLContext *context = gst_gl_window_get_context (window);
GstGLContextClass *context_class = GST_GL_CONTEXT_GET_CLASS (context);
if (window->draw)
window->draw (window->draw_data);
if (context_class->swap_buffers)
context_class->swap_buffers (context);
gst_object_unref (context);
}
static void
gst_gl_window_default_draw (GstGLWindow * window)
{
gst_gl_window_send_message (window, (GstGLWindowCB) draw_cb, window);
}
/**
* gst_gl_window_draw_unlocked:
* @window: a #GstGLWindow
@ -452,6 +520,12 @@ gst_gl_window_show (GstGLWindow * window)
window_class->show (window);
}
static void
gst_gl_window_default_run (GstGLWindow * window)
{
g_main_loop_run (window->priv->loop);
}
/**
* gst_gl_window_run:
* @window: a #GstGLWindow
@ -490,6 +564,12 @@ gst_gl_window_run_navigation (GstGLWindow * window)
g_main_loop_run (window->navigation_loop);
}
static void
gst_gl_window_default_quit (GstGLWindow * window)
{
g_main_loop_quit (window->priv->loop);
}
/**
* gst_gl_window_quit:
* @window: a #GstGLWindow
@ -592,6 +672,42 @@ gst_gl_window_send_message (GstGLWindow * window, GstGLWindowCB callback,
window_class->send_message (window, callback, data);
}
typedef struct _GstGLAsyncMessage
{
GstGLWindowCB callback;
gpointer data;
GDestroyNotify destroy;
} GstGLAsyncMessage;
static gboolean
_run_message_async (GstGLAsyncMessage * message)
{
if (message->callback)
message->callback (message->data);
if (message->destroy)
message->destroy (message->data);
g_slice_free (GstGLAsyncMessage, message);
return FALSE;
}
static void
gst_gl_window_default_send_message_async (GstGLWindow * window,
GstGLWindowCB callback, gpointer data, GDestroyNotify destroy)
{
GstGLWindowPrivate *priv = window->priv;
GstGLAsyncMessage *message = g_slice_new (GstGLAsyncMessage);
message->callback = callback;
message->data = data;
message->destroy = destroy;
g_main_context_invoke (priv->main_context, (GSourceFunc) _run_message_async,
message);
}
/**
* gst_gl_window_send_message_async:
* @window: a #GstGLWindow
@ -716,7 +832,8 @@ gst_gl_window_set_close_callback (GstGLWindow * window, GstGLWindowCB callback,
gboolean
gst_gl_window_is_running (GstGLWindow * window)
{
return window->priv->alive;
GstGLWindowPrivate *priv = window->priv;
return priv->alive && (!priv->loop || g_main_loop_is_running (priv->loop));
}
/**
@ -798,42 +915,6 @@ GType gst_gl_dummy_window_get_type (void);
G_DEFINE_TYPE (GstGLDummyWindow, gst_gl_dummy_window, GST_GL_TYPE_WINDOW);
static gboolean
gst_gl_dummy_window_open (GstGLWindow * window, GError ** error)
{
GstGLDummyWindow *dummy = (GstGLDummyWindow *) window;
dummy->main_context = g_main_context_new ();
dummy->loop = g_main_loop_new (dummy->main_context, FALSE);
return TRUE;
}
static void
gst_gl_dummy_window_close (GstGLWindow * window)
{
GstGLDummyWindow *dummy = (GstGLDummyWindow *) window;
g_main_loop_unref (dummy->loop);
g_main_context_unref (dummy->main_context);
}
static void
gst_gl_dummy_window_quit (GstGLWindow * window)
{
GstGLDummyWindow *dummy = (GstGLDummyWindow *) window;
g_main_loop_quit (dummy->loop);
}
static void
gst_gl_dummy_window_run (GstGLWindow * window)
{
GstGLDummyWindow *dummy = (GstGLDummyWindow *) window;
g_main_loop_run (dummy->loop);
}
void
gst_gl_window_open_navigation (GstGLWindow * window)
{
@ -882,45 +963,6 @@ gst_gl_window_navigation_thread (GstGLWindow * window)
return NULL;
}
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_dummy_window_send_message_async (GstGLWindow * window,
GstGLWindowCB callback, gpointer data, GDestroyNotify destroy)
{
GstGLDummyWindow *dummy;
GstGLMessage *message;
dummy = (GstGLDummyWindow *) window;
message = g_slice_new (GstGLMessage);
message->callback = callback;
message->data = data;
message->destroy = destroy;
g_main_context_invoke (dummy->main_context, (GSourceFunc) _run_message,
message);
}
static void
gst_gl_dummy_window_set_window_handle (GstGLWindow * window, guintptr handle)
{
@ -937,28 +979,6 @@ gst_gl_dummy_window_get_window_handle (GstGLWindow * window)
return (guintptr) dummy->handle;
}
static void
draw_cb (gpointer data)
{
GstGLDummyWindow *dummy = data;
GstGLWindow *window = GST_GL_WINDOW (dummy);
GstGLContext *context = gst_gl_window_get_context (window);
GstGLContextClass *context_class = GST_GL_CONTEXT_GET_CLASS (context);
if (window->draw)
window->draw (window->draw_data);
context_class->swap_buffers (context);
gst_object_unref (context);
}
static void
gst_gl_dummy_window_draw (GstGLWindow * window)
{
gst_gl_window_send_message (window, (GstGLWindowCB) draw_cb, window);
}
static guintptr
gst_gl_dummy_window_get_display (GstGLWindow * window)
{
@ -982,14 +1002,6 @@ gst_gl_dummy_window_class_init (GstGLDummyWindowClass * klass)
GST_DEBUG_FUNCPTR (gst_gl_dummy_window_get_window_handle);
window_class->set_window_handle =
GST_DEBUG_FUNCPTR (gst_gl_dummy_window_set_window_handle);
window_class->draw_unlocked = GST_DEBUG_FUNCPTR (gst_gl_dummy_window_draw);
window_class->draw = GST_DEBUG_FUNCPTR (gst_gl_dummy_window_draw);
window_class->run = GST_DEBUG_FUNCPTR (gst_gl_dummy_window_run);
window_class->quit = GST_DEBUG_FUNCPTR (gst_gl_dummy_window_quit);
window_class->send_message_async =
GST_DEBUG_FUNCPTR (gst_gl_dummy_window_send_message_async);
window_class->open = GST_DEBUG_FUNCPTR (gst_gl_dummy_window_open);
window_class->close = GST_DEBUG_FUNCPTR (gst_gl_dummy_window_close);
window_class->get_surface_dimensions =
GST_DEBUG_FUNCPTR (gst_gl_dummy_window_get_surface_dimensions);
}