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glwindow: handle gst_video_overlay_set_render_rectangle

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This commit is contained in:
Matthew Waters 2015-05-29 18:03:52 +10:00
parent 2442c240f5
commit fac0cdc7ac
4 changed files with 73 additions and 3 deletions
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32
ext/gl/gstglimagesink.c
View file

@ -351,9 +351,9 @@ static void gst_glimage_sink_video_overlay_init (GstVideoOverlayInterface *
static void gst_glimage_sink_set_window_handle (GstVideoOverlay * overlay,
guintptr id);
static void gst_glimage_sink_expose (GstVideoOverlay * overlay);
static void
gst_glimage_sink_handle_events (GstVideoOverlay * overlay,
static void gst_glimage_sink_set_render_rectangle (GstVideoOverlay * overlay,
gint x, gint y, gint width, gint height);
static void gst_glimage_sink_handle_events (GstVideoOverlay * overlay,
gboolean handle_events);
static GstStaticPadTemplate gst_glimage_sink_template =
@ -761,6 +761,12 @@ _ensure_gl_setup (GstGLImageSink * gl_sink)
g_signal_connect (window, "mouse-event",
G_CALLBACK (gst_glimage_sink_mouse_event_cb), gl_sink);
if (gl_sink->x >= 0 && gl_sink->y >= 0 && gl_sink->width > 0 &&
gl_sink->height > 0) {
gst_gl_window_set_render_rectangle (window, gl_sink->x, gl_sink->y,
gl_sink->width, gl_sink->height);
}
if (other_context)
gst_object_unref (other_context);
gst_object_unref (window);
@ -1234,6 +1240,7 @@ static void
gst_glimage_sink_video_overlay_init (GstVideoOverlayInterface * iface)
{
iface->set_window_handle = gst_glimage_sink_set_window_handle;
iface->set_render_rectangle = gst_glimage_sink_set_render_rectangle;
iface->handle_events = gst_glimage_sink_handle_events;
iface->expose = gst_glimage_sink_expose;
}
@ -1288,6 +1295,25 @@ gst_glimage_sink_handle_events (GstVideoOverlay * overlay,
}
}
static void
gst_glimage_sink_set_render_rectangle (GstVideoOverlay * overlay,
gint x, gint y, gint width, gint height)
{
GstGLImageSink *glimage_sink = GST_GLIMAGE_SINK (overlay);
if (G_LIKELY (glimage_sink->context)) {
GstGLWindow *window;
window = gst_gl_context_get_window (glimage_sink->context);
gst_gl_window_set_render_rectangle (window, x, y, width, height);
gst_object_unref (window);
}
glimage_sink->x = x;
glimage_sink->y = y;
glimage_sink->width = width;
glimage_sink->height = height;
}
static gboolean
gst_glimage_sink_propose_allocation (GstBaseSink * bsink, GstQuery * query)
{

6
ext/gl/gstglimagesink.h
View file

@ -56,6 +56,12 @@ struct _GstGLImageSink
gulong mouse_sig_id;
gulong key_sig_id;
/* GstVideoOverlay::set_render_rectangle() cache */
gint x;
gint y;
gint width;
gint height;
//caps
GstVideoInfo info;
GstCaps *caps;

32
gst-libs/gst/gl/gstglwindow.c
View file

@ -1094,3 +1094,35 @@ gst_gl_window_handle_events (GstGLWindow * window, gboolean handle_events)
if (window_class->handle_events)
window_class->handle_events (window, handle_events);
}
/**
* gst_gl_window_set_render_rectangle:
* @window: a #GstGLWindow
* @x: x position
* @y: y position
* @width: width
* @height: height
*
* Tell a @window that it should render into a specific region of the window
* according to the #GstVideoOverlay interface.
*
* Returns: whether the specified region could be set
*/
gboolean
gst_gl_window_set_render_rectangle (GstGLWindow * window, gint x, gint y,
gint width, gint height)
{
GstGLWindowClass *window_class;
gboolean ret = FALSE;
g_return_if_fail (GST_GL_IS_WINDOW (window));
window_class = GST_GL_WINDOW_GET_CLASS (window);
if (x < 0 || y < 0 || width <= 0 || height <= 0)
return FALSE;
if (window_class->set_render_rectangle)
ret = window_class->set_render_rectangle (window, x, y, width, height);
return ret;
}

6
gst-libs/gst/gl/gstglwindow.h
View file

@ -142,6 +142,7 @@ struct _GstGLWindowClass {
void (*handle_events) (GstGLWindow *window, gboolean handle_events);
void (*set_preferred_size) (GstGLWindow *window, gint width, gint height);
void (*show) (GstGLWindow *window);
gboolean (*set_render_rectangle)(GstGLWindow *window, gint x, gint y, gint width, gint height);
/*< private >*/
gpointer _reserved[GST_PADDING];
@ -221,6 +222,11 @@ void gst_gl_window_set_preferred_size (GstGLWindow * window,
void gst_gl_window_get_surface_dimensions (GstGLWindow * window,
guint * width,
guint * height);
gboolean gst_gl_window_set_render_rectangle (GstGLWindow * window,
gint x,
gint y,
gint width,
gint height);
GstGLContext * gst_gl_window_get_context (GstGLWindow *window);
guintptr gst_gl_window_get_display (GstGLWindow *window);