| /* |
| * GStreamer |
| * Copyright (C) 2013 Julien Isorce <julien.isorce@collabora.co.uk> |
| * |
| * 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. |
| */ |
| |
| #define GLIB_DISABLE_DEPRECATION_WARNINGS |
| |
| #ifdef HAVE_CONFIG_H |
| #include "config.h" |
| #endif |
| |
| #include "../gstgl_fwd.h" |
| #include <gst/gl/gstglcontext.h> |
| |
| #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_TYPE_GL_WINDOW); |
| |
| 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_close (GstGLWindow * window); |
| static gboolean gst_gl_window_dispmanx_egl_open (GstGLWindow * window, |
| GError ** error); |
| static guintptr gst_gl_window_dispmanx_egl_get_display (GstGLWindow * window); |
| static gboolean gst_gl_window_dispmanx_egl_set_render_rectangle (GstGLWindow * |
| window, gint x, gint y, gint width, gint height); |
| |
| static void window_resize (GstGLWindowDispmanxEGL * window_egl, guint width, |
| guint height, gboolean visible); |
| |
| static void |
| gst_gl_window_dispmanx_egl_class_init (GstGLWindowDispmanxEGLClass * klass) |
| { |
| GstGLWindowClass *window_class = (GstGLWindowClass *) 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->close = GST_DEBUG_FUNCPTR (gst_gl_window_dispmanx_egl_close); |
| window_class->open = GST_DEBUG_FUNCPTR (gst_gl_window_dispmanx_egl_open); |
| window_class->get_display = |
| 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); |
| window_class->set_render_rectangle = |
| GST_DEBUG_FUNCPTR (gst_gl_window_dispmanx_egl_set_render_rectangle); |
| } |
| |
| static void |
| gst_gl_window_dispmanx_egl_init (GstGLWindowDispmanxEGL * window_egl) |
| { |
| window_egl->egldisplay = EGL_DEFAULT_DISPLAY; |
| |
| window_egl->visible = FALSE; |
| window_egl->display = 0; |
| window_egl->dp_width = 0; |
| window_egl->dp_height = 0; |
| window_egl->native.element = 0; |
| window_egl->native.width = 0; |
| window_egl->native.height = 0; |
| window_egl->foreign.element = 0; |
| window_egl->foreign.width = 0; |
| window_egl->foreign.height = 0; |
| window_egl->render_rect.x = 0; |
| window_egl->render_rect.y = 0; |
| window_egl->render_rect.w = 0; |
| window_egl->render_rect.h = 0; |
| } |
| |
| /* Must be called in the gl thread */ |
| GstGLWindowDispmanxEGL * |
| gst_gl_window_dispmanx_egl_new (GstGLDisplay * display) |
| { |
| if ((gst_gl_display_get_handle_type (display) & GST_GL_DISPLAY_TYPE_EGL) == 0) |
| /* we require an egl display to create dispmanx windows */ |
| return NULL; |
| |
| GST_DEBUG ("creating Dispmanx EGL window"); |
| |
| return g_object_new (GST_TYPE_GL_WINDOW_DISPMANX_EGL, NULL); |
| } |
| |
| static void |
| gst_gl_window_dispmanx_egl_close (GstGLWindow * window) |
| { |
| GstGLWindowDispmanxEGL *window_egl; |
| DISPMANX_UPDATE_HANDLE_T dispman_update; |
| |
| window_egl = GST_GL_WINDOW_DISPMANX_EGL (window); |
| |
| if (window_egl->native.element && window_egl->native.element != window_egl->foreign.element) { |
| dispman_update = vc_dispmanx_update_start (0); |
| vc_dispmanx_element_remove (dispman_update, window_egl->native.element); |
| vc_dispmanx_update_submit_sync (dispman_update); |
| } |
| vc_dispmanx_display_close (window_egl->display); |
| |
| GST_GL_WINDOW_CLASS (parent_class)->close (window); |
| } |
| |
| static gboolean |
| gst_gl_window_dispmanx_egl_open (GstGLWindow * window, GError ** error) |
| { |
| GstGLWindowDispmanxEGL *window_egl = GST_GL_WINDOW_DISPMANX_EGL (window); |
| gint ret = graphics_get_display_size (0, &window_egl->dp_width, |
| &window_egl->dp_height); |
| if (ret < 0) { |
| g_set_error (error, GST_GL_WINDOW_ERROR, |
| GST_GL_WINDOW_ERROR_RESOURCE_UNAVAILABLE, "Can't open display"); |
| return FALSE; |
| } |
| GST_DEBUG ("Got display size: %dx%d\n", window_egl->dp_width, |
| window_egl->dp_height); |
| |
| window_egl->native.element = 0; |
| |
| return GST_GL_WINDOW_CLASS (parent_class)->open (window, error); |
| } |
| |
| 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) |
| { |
| 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 |
| gst_gl_window_dispmanx_egl_set_window_handle (GstGLWindow * window, |
| guintptr handle) |
| { |
| GstGLWindowDispmanxEGL *window_egl = GST_GL_WINDOW_DISPMANX_EGL (window); |
| EGL_DISPMANX_WINDOW_T *foreign_window = (EGL_DISPMANX_WINDOW_T *)handle; |
| DISPMANX_UPDATE_HANDLE_T dispman_update; |
| |
| GST_DEBUG_OBJECT (window, "set window handle with size %dx%d", foreign_window->width, foreign_window->height); |
| |
| if (window_egl->native.element) { |
| dispman_update = vc_dispmanx_update_start (0); |
| vc_dispmanx_element_remove (dispman_update, window_egl->native.element); |
| vc_dispmanx_update_submit_sync (dispman_update); |
| } |
| |
| window_egl->native.element = window_egl->foreign.element = foreign_window->element; |
| window_egl->native.width = window_egl->foreign.width = foreign_window->width; |
| window_egl->native.height = window_egl->foreign.height = foreign_window->height; |
| } |
| |
| static void |
| 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, |
| gboolean visible) |
| { |
| GstGLWindow *window = GST_GL_WINDOW (window_egl); |
| |
| 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, res; |
| DISPMANX_UPDATE_HANDLE_T dispman_update; |
| uint32_t opacity = visible ? 255 : 0; |
| VC_DISPMANX_ALPHA_T alpha = |
| { DISPMANX_FLAGS_ALPHA_FIXED_ALL_PIXELS, opacity, 0 }; |
| |
| src.w = width; |
| src.h = height; |
| src.x = src.y = 0; |
| |
| /* If there is no render rectangle, center the width*height frame |
| * inside dp_width*dp_height */ |
| if (window_egl->render_rect.w <= 0 || window_egl->render_rect.h <= 0) { |
| GstVideoRectangle dst; |
| dst.w = window_egl->dp_width; |
| dst.h = window_egl->dp_height; |
| dst.x = dst.y = 0; |
| gst_video_sink_center_rect (src, dst, &res, FALSE); |
| } else { |
| gst_video_sink_center_rect (src, window_egl->render_rect, &res, FALSE); |
| } |
| |
| dst_rect.x = res.x; |
| dst_rect.y = res.y; |
| dst_rect.width = res.w; |
| dst_rect.height = res.h; |
| |
| src_rect.x = 0; |
| src_rect.y = 0; |
| src_rect.width = width << 16; |
| src_rect.height = height << 16; |
| |
| 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, 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, |
| DISPMANX_PROTECTION_NONE, &alpha, 0, 0); |
| } |
| |
| vc_dispmanx_update_submit_sync (dispman_update); |
| |
| gst_gl_window_resize (window, width, height); |
| } |
| |
| window_egl->native.width = width; |
| window_egl->native.height = height; |
| } |
| |
| static gboolean |
| gst_gl_window_dispmanx_egl_set_render_rectangle (GstGLWindow * window, |
| gint x, gint y, gint width, gint height) |
| { |
| GstGLWindowDispmanxEGL *window_egl = GST_GL_WINDOW_DISPMANX_EGL (window); |
| window_egl->render_rect.x = x; |
| window_egl->render_rect.y = y; |
| window_egl->render_rect.w = width; |
| window_egl->render_rect.h = height; |
| |
| window_resize (window_egl, window_egl->render_rect.w, |
| window_egl->render_rect.h, TRUE); |
| return TRUE; |
| } |
| |
| static void |
| gst_gl_window_dispmanx_egl_show (GstGLWindow * window) |
| { |
| GstGLWindowDispmanxEGL *window_egl = GST_GL_WINDOW_DISPMANX_EGL (window); |
| |
| if (!window_egl->visible) { |
| if (window_egl->render_rect.w <= 0 || window_egl->render_rect.h <= 0) { |
| window_resize (window_egl, window_egl->preferred_width, |
| window_egl->preferred_height, TRUE); |
| } |
| window_egl->visible = TRUE; |
| } |
| } |
| |
| static guintptr |
| gst_gl_window_dispmanx_egl_get_display (GstGLWindow * window) |
| { |
| GstGLWindowDispmanxEGL *window_egl; |
| |
| window_egl = GST_GL_WINDOW_DISPMANX_EGL (window); |
| |
| return (guintptr) window_egl->egldisplay; |
| } |