#include "gstglwindow_dispmanx_egl.h"
+
+#ifndef ELEMENT_CHANGE_LAYER
+/* copied from interface/vmcs_host/vc_vchi_dispmanx.h of userland.git */
+#define ELEMENT_CHANGE_LAYER (1<<0)
+#define ELEMENT_CHANGE_OPACITY (1<<1)
+#define ELEMENT_CHANGE_DEST_RECT (1<<2)
+#define ELEMENT_CHANGE_SRC_RECT (1<<3)
+#define ELEMENT_CHANGE_MASK_RESOURCE (1<<4)
+#define ELEMENT_CHANGE_TRANSFORM (1<<5)
+#endif
+
#define GST_CAT_DEFAULT gst_gl_window_debug
#define gst_gl_window_dispmanx_egl_parent_class parent_class
G_DEFINE_TYPE (GstGLWindowDispmanxEGL, gst_gl_window_dispmanx_egl,
GST_GL_TYPE_WINDOW);
+static void gst_gl_window_dispmanx_egl_finalize (GObject * object);
static guintptr gst_gl_window_dispmanx_egl_get_window_handle (GstGLWindow *
window);
static void gst_gl_window_dispmanx_egl_set_window_handle (GstGLWindow * window,
guintptr handle);
static void gst_gl_window_dispmanx_egl_set_preferred_size (GstGLWindow * window,
gint width, gint height);
+static void gst_gl_window_dispmanx_egl_show (GstGLWindow * window);
static void gst_gl_window_dispmanx_egl_draw (GstGLWindow * window);
static void gst_gl_window_dispmanx_egl_run (GstGLWindow * window);
static void gst_gl_window_dispmanx_egl_quit (GstGLWindow * window);
static void window_resize (GstGLWindowDispmanxEGL * window_egl, guint width,
- guint height);
+ guint height, gboolean visible);
static void
gst_gl_window_dispmanx_egl_class_init (GstGLWindowDispmanxEGLClass * klass)
{
GstGLWindowClass *window_class = (GstGLWindowClass *) klass;
+ GObjectClass *gobject_class = (GObjectClass *) klass;
window_class->get_window_handle =
GST_DEBUG_FUNCPTR (gst_gl_window_dispmanx_egl_get_window_handle);
window_class->set_window_handle =
GST_DEBUG_FUNCPTR (gst_gl_window_dispmanx_egl_set_window_handle);
+ window_class->show = GST_DEBUG_FUNCPTR (gst_gl_window_dispmanx_egl_show);
window_class->draw_unlocked =
GST_DEBUG_FUNCPTR (gst_gl_window_dispmanx_egl_draw);
window_class->draw = GST_DEBUG_FUNCPTR (gst_gl_window_dispmanx_egl_draw);
GST_DEBUG_FUNCPTR (gst_gl_window_dispmanx_egl_get_display);
window_class->set_preferred_size =
GST_DEBUG_FUNCPTR (gst_gl_window_dispmanx_egl_set_preferred_size);
+
+ gobject_class->finalize = gst_gl_window_dispmanx_egl_finalize;
}
static void
-gst_gl_window_dispmanx_egl_init (GstGLWindowDispmanxEGL * window)
+gst_gl_window_dispmanx_egl_init (GstGLWindowDispmanxEGL * window_egl)
{
+ window_egl->main_context = g_main_context_new ();
+ window_egl->loop = g_main_loop_new (window_egl->main_context, FALSE);
+}
+
+static void
+gst_gl_window_dispmanx_egl_finalize (GObject * object)
+{
+ GstGLWindowDispmanxEGL *window_egl = GST_GL_WINDOW_DISPMANX_EGL (object);
+
+ g_main_loop_unref (window_egl->loop);
+ g_main_context_unref (window_egl->main_context);
+
+ G_OBJECT_CLASS (parent_class)->finalize (object);
}
/* Must be called in the gl thread */
window->egldisplay = EGL_DEFAULT_DISPLAY;
+ window->visible = FALSE;
window->display = 0;
window->dp_width = 0;
window->dp_height = 0;
GST_DEBUG ("Got display size: %dx%d\n", window_egl->dp_width,
window_egl->dp_height);
- window_egl->native.width = 0;
- window_egl->native.height = 0;
- window_egl->display = vc_dispmanx_display_open (0);
window_egl->native.element = 0;
- window_egl->main_context = g_main_context_new ();
- window_egl->loop = g_main_loop_new (window_egl->main_context, FALSE);
-
- window_resize (window_egl, 16, 16);
+ return TRUE;
+}
+gboolean
+gst_gl_window_dispmanx_egl_create_window (GstGLWindowDispmanxEGL * window_egl)
+{
+ window_egl->native.width = 0;
+ window_egl->native.height = 0;
+ window_egl->display = vc_dispmanx_display_open (0);
+ window_resize (window_egl, 16, 16, FALSE);
return TRUE;
}
static guintptr
gst_gl_window_dispmanx_egl_get_window_handle (GstGLWindow * window)
{
- return (guintptr) & GST_GL_WINDOW_DISPMANX_EGL (window)->native;
+ GstGLWindowDispmanxEGL *window_egl;
+ window_egl = GST_GL_WINDOW_DISPMANX_EGL (window);
+ if (window_egl->native.element)
+ return (guintptr) & window_egl->native;
+ return 0;
}
static void
}
static void
-gst_gl_window_dispmanx_egl_set_preferred_size (GstGLWindow * window, gint width, gint height)
+gst_gl_window_dispmanx_egl_set_preferred_size (GstGLWindow * window, gint width,
+ gint height)
{
GstGLWindowDispmanxEGL *window_egl = GST_GL_WINDOW_DISPMANX_EGL (window);
+ GST_DEBUG_OBJECT (window, "set preferred size to %dx%d", width, height);
window_egl->preferred_width = width;
window_egl->preferred_height = height;
}
static void
-window_resize (GstGLWindowDispmanxEGL * window_egl, guint width, guint height)
+window_resize (GstGLWindowDispmanxEGL * window_egl, guint width, guint height,
+ gboolean visible)
{
- GST_DEBUG ("resizing window from %ux%u to %ux%u",
- window_egl->native.width, window_egl->native.height, width, height);
+ GST_DEBUG ("resizing %s window from %ux%u to %ux%u",
+ visible ? "visible" : "invisible", window_egl->native.width,
+ window_egl->native.height, width, height);
if (window_egl->display) {
VC_RECT_T dst_rect;
VC_RECT_T src_rect;
GstVideoRectangle src, dst, res;
DISPMANX_UPDATE_HANDLE_T dispman_update;
+ uint32_t opacity = visible ? 255 : 0;
VC_DISPMANX_ALPHA_T alpha =
- { DISPMANX_FLAGS_ALPHA_FIXED_ALL_PIXELS, 255, 0 };
+ { DISPMANX_FLAGS_ALPHA_FIXED_ALL_PIXELS, opacity, 0 };
/* Center width*height frame inside dp_width*dp_height */
src.w = width;
dispman_update = vc_dispmanx_update_start (0);
if (window_egl->native.element) {
+ uint32_t change_flags =
+ ELEMENT_CHANGE_OPACITY | ELEMENT_CHANGE_DEST_RECT |
+ ELEMENT_CHANGE_SRC_RECT;
vc_dispmanx_element_change_attributes (dispman_update,
- window_egl->native.element, 0x00000110, 0, 0, &dst_rect, &src_rect, 0,
- 0);
+ window_egl->native.element, change_flags, 0, opacity, &dst_rect,
+ &src_rect, 0, 0);
} else {
window_egl->native.element = vc_dispmanx_element_add (dispman_update,
window_egl->display, 0, &dst_rect, 0, &src_rect,
}
static void
+gst_gl_window_dispmanx_egl_show (GstGLWindow * window)
+{
+ GstGLWindowDispmanxEGL *window_egl = GST_GL_WINDOW_DISPMANX_EGL (window);
+
+ if (!window_egl->visible) {
+ window_resize (window_egl, window_egl->preferred_width, window_egl->preferred_height, TRUE);
+ window_egl->visible = TRUE;
+ }
+}
+
+static void
draw_cb (gpointer data)
{
GstGLWindowDispmanxEGL *window_egl = data;
GstGLContext *context = gst_gl_window_get_context (window);
GstGLContextClass *context_class = GST_GL_CONTEXT_GET_CLASS (context);
- if (window_egl->native.width != window_egl->preferred_width
- || window_egl->native.height != window_egl->preferred_height) {
- GST_DEBUG ("dimensions don't match, attempting resize");
- window_resize (window_egl, window_egl->preferred_width,
- window_egl->preferred_height);
- }
-
if (window->draw)
window->draw (window->draw_data);