/* * GStreamer * Copyright (C) 2008 Julien Isorce * Copyright (C) 2012 Matthew Waters * Copyright (C) 2015 Freescale Semiconductor * Copyright (C) 2017 Sebastian Dröge * * 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. */ #include "../gstgl_fwd.h" #include #include "gstglwindow_viv_fb_egl.h" #include "../gstglwindow_private.h" #define GST_CAT_DEFAULT gst_gl_window_debug #define gst_gl_window_viv_fb_egl_parent_class parent_class G_DEFINE_TYPE (GstGLWindowVivFBEGL, gst_gl_window_viv_fb_egl, GST_TYPE_GL_WINDOW); static guintptr gst_gl_window_viv_fb_egl_get_window_handle (GstGLWindow * window); static guintptr gst_gl_window_viv_fb_egl_get_display (GstGLWindow * window); static void gst_gl_window_viv_fb_egl_set_window_handle (GstGLWindow * window, guintptr handle); static void gst_gl_window_viv_fb_egl_close (GstGLWindow * window); static gboolean gst_gl_window_viv_fb_egl_open (GstGLWindow * window, GError ** error); static void gst_gl_window_viv_fb_egl_draw (GstGLWindow * window); static gboolean gst_gl_window_viv_fb_egl_set_render_rectangle (GstGLWindow * window, gint x, gint y, gint width, gint height); static void gst_gl_window_viv_fb_egl_class_init (GstGLWindowVivFBEGLClass * klass) { GstGLWindowClass *window_class = (GstGLWindowClass *) klass; window_class->get_window_handle = GST_DEBUG_FUNCPTR (gst_gl_window_viv_fb_egl_get_window_handle); window_class->get_display = GST_DEBUG_FUNCPTR (gst_gl_window_viv_fb_egl_get_display); window_class->set_window_handle = GST_DEBUG_FUNCPTR (gst_gl_window_viv_fb_egl_set_window_handle); window_class->close = GST_DEBUG_FUNCPTR (gst_gl_window_viv_fb_egl_close); window_class->open = GST_DEBUG_FUNCPTR (gst_gl_window_viv_fb_egl_open); window_class->draw = GST_DEBUG_FUNCPTR (gst_gl_window_viv_fb_egl_draw); window_class->set_render_rectangle = GST_DEBUG_FUNCPTR (gst_gl_window_viv_fb_egl_set_render_rectangle); } static void gst_gl_window_viv_fb_egl_init (GstGLWindowVivFBEGL * window) { } /* Must be called in the gl thread */ GstGLWindowVivFBEGL * gst_gl_window_viv_fb_egl_new (GstGLDisplay * display) { GstGLWindowVivFBEGL *window; if ((gst_gl_display_get_handle_type (display) & GST_GL_DISPLAY_TYPE_VIV_FB) == 0) /* we require a Vivante FB display to create windows */ return NULL; window = g_object_new (GST_TYPE_GL_WINDOW_VIV_FB_EGL, NULL); gst_object_ref_sink (window); return window; } static void gst_gl_window_viv_fb_egl_close (GstGLWindow * window) { GstGLWindowVivFBEGL *window_egl = GST_GL_WINDOW_VIV_FB_EGL (window); if (window_egl->win_id && !window_egl->external_window) { fbDestroyWindow (window_egl->win_id); window_egl->win_id = 0; } GST_GL_WINDOW_CLASS (parent_class)->close (window); } static guintptr gst_gl_window_viv_fb_egl_get_display (GstGLWindow * window) { return gst_gl_display_get_handle (window->display); } static gboolean gst_gl_window_viv_fb_egl_open (GstGLWindow * window, GError ** error) { GstGLWindowVivFBEGL *window_egl = GST_GL_WINDOW_VIV_FB_EGL (window); EGLNativeDisplayType display; display = (EGLNativeDisplayType) gst_gl_window_get_display (window); window_egl->win_id = fbCreateWindow (display, -1, -1, 0, 0); window_egl->external_window = FALSE; if (!window_egl->win_id) { g_set_error (error, GST_GL_WINDOW_ERROR, GST_GL_WINDOW_ERROR_RESOURCE_UNAVAILABLE, "Can't create window"); return FALSE; } fbGetWindowGeometry (window_egl->win_id, NULL, NULL, &window_egl->window_width, &window_egl->window_height); window_egl->render_rectangle.x = 0; window_egl->render_rectangle.y = 0; window_egl->render_rectangle.w = window_egl->window_width; window_egl->render_rectangle.h = window_egl->window_height; gst_gl_window_resize (window, window_egl->window_width, window_egl->window_height); GST_DEBUG ("Opened Vivante FB display succesfully, resolution is (%dx%d), display %p, window %p.", window_egl->window_width, window_egl->window_height, (gpointer) display, (gpointer) window_egl->win_id); return GST_GL_WINDOW_CLASS (parent_class)->open (window, error); } static guintptr gst_gl_window_viv_fb_egl_get_window_handle (GstGLWindow * window) { return (guintptr) GST_GL_WINDOW_VIV_FB_EGL (window)->win_id; } static void gst_gl_window_viv_fb_egl_set_window_handle (GstGLWindow * window, guintptr handle) { GstGLWindowVivFBEGL *window_egl = GST_GL_WINDOW_VIV_FB_EGL (window); gint width, height; if (window_egl->win_id) fbDestroyWindow (window_egl->win_id); window_egl->win_id = (EGLNativeWindowType) handle; window_egl->external_window = handle != 0; fbGetWindowGeometry (window_egl->win_id, NULL, NULL, &width, &height); gst_gl_window_resize (window, width, height); } static void draw_cb (gpointer data) { GstGLWindowVivFBEGL *window_egl = data; GstGLWindow *window = GST_GL_WINDOW (window_egl); GstGLContext *context = gst_gl_window_get_context (window); const GstGLFuncs *gl; gint viewport_dim[4]; gl = context->gl_vtable; if (window->queue_resize) { guint width, height; gst_gl_window_get_surface_dimensions (window, &width, &height); gst_gl_window_resize (window, width, height); gl->GetIntegerv (GL_VIEWPORT, viewport_dim); viewport_dim[0] += window_egl->render_rectangle.x; viewport_dim[1] += window_egl->render_rectangle.y; gl->Viewport (viewport_dim[0], viewport_dim[1], viewport_dim[2], viewport_dim[3]); } if (window->draw) window->draw (window->draw_data); gst_gl_context_swap_buffers (context); gst_object_unref (context); } static void gst_gl_window_viv_fb_egl_draw (GstGLWindow * window) { gst_gl_window_send_message (window, (GstGLWindowCB) draw_cb, window); } typedef struct { GstGLWindowVivFBEGL *window_egl; GstVideoRectangle rect; } SetRenderRectangleData; static void _free_set_render_rectangle (SetRenderRectangleData * render) { if (render) { if (render->window_egl) gst_object_unref (render->window_egl); g_free (render); } } static void _calculate_viewport_coordinates(GstGLWindowVivFBEGL * window_egl, GstVideoRectangle * req, GstVideoRectangle * result) { result->x = req->x; result->y = window_egl->window_height - (req->y + req->h); result->w = req->w; result->h = req->h; } static void _set_render_rectangle (gpointer data) { SetRenderRectangleData *render = data; GstGLWindowVivFBEGL *window_egl = render->window_egl; GstGLWindow *window = GST_GL_WINDOW (window_egl); GST_LOG_OBJECT (render->window_egl, "setting render rectangle %i,%i+%ix%i", render->rect.x, render->rect.y, render->rect.w, render->rect.h); _calculate_viewport_coordinates (window_egl, &render->rect, &window_egl->render_rectangle); gst_gl_window_resize (window, render->rect.w, render->rect.h); window->queue_resize = TRUE; } static gboolean gst_gl_window_viv_fb_egl_set_render_rectangle (GstGLWindow * window, gint x, gint y, gint width, gint height) { GstGLWindowVivFBEGL *window_egl = GST_GL_WINDOW_VIV_FB_EGL (window); SetRenderRectangleData *render; render = g_new0 (SetRenderRectangleData, 1); render->window_egl = gst_object_ref (window_egl); render->rect.x = x; render->rect.y = y; render->rect.w = width; render->rect.h = height; gst_gl_window_send_message_async (window, (GstGLWindowCB) _set_render_rectangle, render, (GDestroyNotify) _free_set_render_rectangle); return TRUE; }