/* * GStreamer * Copyright (C) 2019 Matthew Waters <matthew@centricular.com> * * 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. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include <gst/gst.h> #include <gst/vulkan/vulkan.h> #include "gstvkwindow_android.h" #include "gstvkdisplay_android.h" #define GET_PRIV(o) gst_vulkan_window_android_get_instance_private (o) #define GST_CAT_DEFAULT gst_vulkan_window_android_debug GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT); static void _init_debug (void) { static gsize _init = 0; if (g_once_init_enter (&_init)) { GST_DEBUG_CATEGORY_INIT (GST_CAT_DEFAULT, "vulkanwindowandroid", 0, "Vulkan Android Window"); g_once_init_leave (&_init, 1); } } enum { PROP_0, }; struct _GstVulkanWindowAndroidPrivate { struct ANativeWindow *internal_window; gint window_width, window_height; gint preferred_width; gint preferred_height; }; #define gst_vulkan_window_android_parent_class parent_class G_DEFINE_TYPE_WITH_CODE (GstVulkanWindowAndroid, gst_vulkan_window_android, GST_TYPE_VULKAN_WINDOW, G_ADD_PRIVATE (GstVulkanWindowAndroid) _init_debug ()); static VkSurfaceKHR gst_vulkan_window_android_get_surface (GstVulkanWindow * window, GError ** error); static gboolean gst_vulkan_window_android_get_presentation_support (GstVulkanWindow * window, GstVulkanDevice * device, guint32 queue_family_idx); static gboolean gst_vulkan_window_android_open (GstVulkanWindow * window, GError ** error); static void gst_vulkan_window_android_close (GstVulkanWindow * window); static void gst_vulkan_window_android_set_window_handle (GstVulkanWindow * window, guintptr window_handle); static void gst_vulkan_window_android_class_init (GstVulkanWindowAndroidClass * klass) { GstVulkanWindowClass *window_class = (GstVulkanWindowClass *) klass; window_class->open = GST_DEBUG_FUNCPTR (gst_vulkan_window_android_open); window_class->close = GST_DEBUG_FUNCPTR (gst_vulkan_window_android_close); window_class->get_surface = gst_vulkan_window_android_get_surface; window_class->get_presentation_support = gst_vulkan_window_android_get_presentation_support; window_class->set_window_handle = gst_vulkan_window_android_set_window_handle; } static void gst_vulkan_window_android_init (GstVulkanWindowAndroid * window) { GstVulkanWindowAndroidPrivate *priv = GET_PRIV (window); priv->preferred_width = 320; priv->preferred_height = 240; } /* Must be called in the gl thread */ GstVulkanWindowAndroid * gst_vulkan_window_android_new (GstVulkanDisplay * display) { GstVulkanWindowAndroid *window; _init_debug (); if ((gst_vulkan_display_get_handle_type (display) & GST_VULKAN_DISPLAY_TYPE_ANDROID) == GST_VULKAN_DISPLAY_TYPE_NONE) { GST_INFO ("Wrong display type %u for this window type %u", display->type, GST_VULKAN_DISPLAY_TYPE_ANDROID); return NULL; } window = g_object_new (GST_TYPE_VULKAN_WINDOW_ANDROID, NULL); gst_object_ref_sink (window); return window; } gboolean gst_vulkan_window_android_create_window (GstVulkanWindowAndroid * window_android) { GstVulkanWindowAndroidPrivate *priv = GET_PRIV (window_android); if (!priv->internal_window) { GST_WARNING_OBJECT (window_android, "No ANativeWindow provided"); return FALSE; } return TRUE; } static VkSurfaceKHR gst_vulkan_window_android_get_surface (GstVulkanWindow * window, GError ** error) { GstVulkanWindowAndroid *window_android = GST_VULKAN_WINDOW_ANDROID (window); GstVulkanWindowAndroidPrivate *priv = GET_PRIV (window_android); VkAndroidSurfaceCreateInfoKHR info = { 0, }; VkSurfaceKHR ret; VkResult err; if (!priv->internal_window) { g_set_error_literal (error, GST_VULKAN_ERROR, VK_ERROR_INITIALIZATION_FAILED, "No layer to retrieve surface for. Has create_window() been called?"); return 0; } info.sType = VK_STRUCTURE_TYPE_ANDROID_SURFACE_CREATE_INFO_KHR; info.pNext = NULL; info.flags = 0; info.window = priv->internal_window; if (!window_android->CreateAndroidSurface) window_android->CreateAndroidSurface = gst_vulkan_instance_get_proc_address (window->display->instance, "vkCreateAndroidSurfaceKHR"); if (!window_android->CreateAndroidSurface) { g_set_error_literal (error, GST_VULKAN_ERROR, VK_ERROR_FEATURE_NOT_PRESENT, "Could not retrieve \"vkCreateAndroidSurfaceKHR\" function pointer"); return VK_NULL_HANDLE; } err = window_android->CreateAndroidSurface (window->display->instance->instance, &info, NULL, &ret); if (gst_vulkan_error_to_g_error (err, error, "vkCreateAndroidSurfaceKHR") < 0) return VK_NULL_HANDLE; return ret; } static gboolean gst_vulkan_window_android_get_presentation_support (GstVulkanWindow * window, GstVulkanDevice * device, guint32 queue_family_idx) { return TRUE; } static gboolean gst_vulkan_window_android_open (GstVulkanWindow * window, GError ** error) { GstVulkanWindowAndroid *window_android = GST_VULKAN_WINDOW_ANDROID (window); if (!GST_VULKAN_WINDOW_CLASS (parent_class)->open (window, error)) return FALSE; return gst_vulkan_window_android_create_window (window_android); } static void gst_vulkan_window_android_close (GstVulkanWindow * window) { GST_VULKAN_WINDOW_CLASS (parent_class)->close (window); } static void gst_vulkan_window_android_set_window_handle (GstVulkanWindow * window, guintptr window_handle) { GstVulkanWindowAndroid *window_android = GST_VULKAN_WINDOW_ANDROID (window); GstVulkanWindowAndroidPrivate *priv = GET_PRIV (window_android); struct ANativeWindow *native_window = (struct ANativeWindow *) window_handle; g_return_if_fail (native_window != NULL); if (priv->internal_window && priv->internal_window != native_window) { GST_FIXME_OBJECT (window_android, "View changes are not implemented"); return; } priv->internal_window = native_window; }