/* * GStreamer * Copyright (C) 2019 Seungha Yang * * 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 "gstd3d11window.h" #include "gstd3d11pluginutils.h" #if GST_D3D11_WINAPI_APP /* workaround for GetCurrentTime collision */ #ifdef GetCurrentTime #undef GetCurrentTime #endif #include #include #endif #ifdef HAVE_DIRECT_WRITE #include #include #include #endif #if GST_D3D11_WINAPI_APP || defined(HAVE_DIRECT_WRITE) #include #include using namespace Microsoft::WRL; #endif extern "C" { GST_DEBUG_CATEGORY_EXTERN (gst_d3d11_window_debug); #define GST_CAT_DEFAULT gst_d3d11_window_debug } struct _GstD3D11WindowPrivate { #ifdef HAVE_DIRECT_WRITE IDWriteFactory *dwrite_factory; IDWriteTextFormat *dwrite_format; ID2D1Factory1 *d2d_factory; ID2D1Device *d2d_device; ID2D1DeviceContext *d2d_device_context; ID2D1SolidColorBrush *d2d_brush; #else gpointer dummy; #endif }; enum { PROP_0, PROP_D3D11_DEVICE, PROP_FORCE_ASPECT_RATIO, PROP_ENABLE_NAVIGATION_EVENTS, PROP_FULLSCREEN_TOGGLE_MODE, PROP_FULLSCREEN, PROP_WINDOW_HANDLE, PROP_RENDER_STATS, }; #define DEFAULT_ENABLE_NAVIGATION_EVENTS TRUE #define DEFAULT_FORCE_ASPECT_RATIO TRUE #define DEFAULT_FULLSCREEN_TOGGLE_MODE GST_D3D11_WINDOW_FULLSCREEN_TOGGLE_MODE_NONE #define DEFAULT_FULLSCREEN FALSE #define DEFAULT_RENDER_STATS FALSE enum { SIGNAL_KEY_EVENT, SIGNAL_MOUSE_EVENT, SIGNAL_LAST }; static guint d3d11_window_signals[SIGNAL_LAST] = { 0, }; GType gst_d3d11_window_fullscreen_toggle_mode_type (void) { static volatile gsize mode_type = 0; if (g_once_init_enter (&mode_type)) { static const GFlagsValue mode_types[] = { {GST_D3D11_WINDOW_FULLSCREEN_TOGGLE_MODE_NONE, "GST_D3D11_WINDOW_FULLSCREEN_TOGGLE_MODE_NONE", "none"}, {GST_D3D11_WINDOW_FULLSCREEN_TOGGLE_MODE_ALT_ENTER, "GST_D3D11_WINDOW_FULLSCREEN_TOGGLE_MODE_ALT_ENTER", "alt-enter"}, {GST_D3D11_WINDOW_FULLSCREEN_TOGGLE_MODE_PROPERTY, "GST_D3D11_WINDOW_FULLSCREEN_TOGGLE_MODE_PROPERTY", "property"}, {0, NULL, NULL}, }; GType tmp = g_flags_register_static ("GstD3D11WindowFullscreenToggleMode", mode_types); g_once_init_leave (&mode_type, tmp); } return (GType) mode_type; } #define gst_d3d11_window_parent_class parent_class G_DEFINE_ABSTRACT_TYPE_WITH_PRIVATE (GstD3D11Window, gst_d3d11_window, GST_TYPE_OBJECT); static void gst_d3d11_window_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec); static void gst_d3d11_window_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec); static void gst_d3d11_window_dispose (GObject * object); static GstFlowReturn gst_d3d111_window_present (GstD3D11Window * self, GstBuffer * buffer, GstStructure * stats, ID3D11VideoProcessorOutputView *pov, ID3D11RenderTargetView * rtv); static void gst_d3d11_window_on_resize_default (GstD3D11Window * window, guint width, guint height); static gboolean gst_d3d11_window_prepare_default (GstD3D11Window * window, guint display_width, guint display_height, GstCaps * caps, gboolean * video_processor_available, GError ** error); static void gst_d3d11_window_class_init (GstD3D11WindowClass * klass) { GObjectClass *gobject_class = G_OBJECT_CLASS (klass); gobject_class->set_property = gst_d3d11_window_set_property; gobject_class->get_property = gst_d3d11_window_get_property; gobject_class->dispose = gst_d3d11_window_dispose; klass->on_resize = GST_DEBUG_FUNCPTR (gst_d3d11_window_on_resize_default); klass->prepare = GST_DEBUG_FUNCPTR (gst_d3d11_window_prepare_default); g_object_class_install_property (gobject_class, PROP_D3D11_DEVICE, g_param_spec_object ("d3d11device", "D3D11 Device", "GstD3D11Device object for creating swapchain", GST_TYPE_D3D11_DEVICE, (GParamFlags) (G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS))); g_object_class_install_property (gobject_class, PROP_FORCE_ASPECT_RATIO, g_param_spec_boolean ("force-aspect-ratio", "Force aspect ratio", "When enabled, scaling will respect original aspect ratio", DEFAULT_FORCE_ASPECT_RATIO, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); g_object_class_install_property (gobject_class, PROP_ENABLE_NAVIGATION_EVENTS, g_param_spec_boolean ("enable-navigation-events", "Enable navigation events", "When enabled, signals for navigation events are emitted", DEFAULT_ENABLE_NAVIGATION_EVENTS, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); g_object_class_install_property (gobject_class, PROP_FULLSCREEN_TOGGLE_MODE, g_param_spec_flags ("fullscreen-toggle-mode", "Full screen toggle mode", "Full screen toggle mode used to trigger fullscreen mode change", GST_D3D11_WINDOW_TOGGLE_MODE_GET_TYPE, DEFAULT_FULLSCREEN_TOGGLE_MODE, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); g_object_class_install_property (gobject_class, PROP_FULLSCREEN, g_param_spec_boolean ("fullscreen", "fullscreen", "Ignored when \"fullscreen-toggle-mode\" does not include \"property\"", DEFAULT_FULLSCREEN, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); g_object_class_install_property (gobject_class, PROP_WINDOW_HANDLE, g_param_spec_pointer ("window-handle", "Window Handle", "External Window Handle", (GParamFlags) (G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS))); #ifdef HAVE_DIRECT_WRITE g_object_class_install_property (gobject_class, PROP_RENDER_STATS, g_param_spec_boolean ("render-stats", "Render Stats", "Render statistics data (e.g., average framerate) on window", DEFAULT_RENDER_STATS, (GParamFlags) (G_PARAM_WRITABLE | G_PARAM_STATIC_STRINGS))); #endif d3d11_window_signals[SIGNAL_KEY_EVENT] = g_signal_new ("key-event", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST, 0, NULL, NULL, NULL, G_TYPE_NONE, 2, G_TYPE_STRING, G_TYPE_STRING); d3d11_window_signals[SIGNAL_MOUSE_EVENT] = g_signal_new ("mouse-event", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST, 0, NULL, NULL, NULL, G_TYPE_NONE, 4, G_TYPE_STRING, G_TYPE_INT, G_TYPE_DOUBLE, G_TYPE_DOUBLE); } static void gst_d3d11_window_init (GstD3D11Window * self) { self->force_aspect_ratio = DEFAULT_FORCE_ASPECT_RATIO; self->enable_navigation_events = DEFAULT_ENABLE_NAVIGATION_EVENTS; self->fullscreen_toggle_mode = GST_D3D11_WINDOW_FULLSCREEN_TOGGLE_MODE_NONE; self->fullscreen = DEFAULT_FULLSCREEN; self->render_stats = DEFAULT_RENDER_STATS; self->priv = (GstD3D11WindowPrivate *) gst_d3d11_window_get_instance_private (self); } static void gst_d3d11_window_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec) { GstD3D11Window *self = GST_D3D11_WINDOW (object); GstD3D11WindowClass *klass = GST_D3D11_WINDOW_GET_CLASS (object); switch (prop_id) { case PROP_D3D11_DEVICE: self->device = (GstD3D11Device *) g_value_dup_object (value); break; case PROP_FORCE_ASPECT_RATIO: { self->force_aspect_ratio = g_value_get_boolean (value); if (self->swap_chain) klass->update_swap_chain (self); break; } case PROP_ENABLE_NAVIGATION_EVENTS: self->enable_navigation_events = g_value_get_boolean (value); break; case PROP_FULLSCREEN_TOGGLE_MODE: self->fullscreen_toggle_mode = (GstD3D11WindowFullscreenToggleMode) g_value_get_flags (value); break; case PROP_FULLSCREEN: { self->requested_fullscreen = g_value_get_boolean (value); if (self->swap_chain) klass->change_fullscreen_mode (self); break; } case PROP_WINDOW_HANDLE: self->external_handle = (guintptr) g_value_get_pointer (value); break; #ifdef HAVE_DIRECT_WRITE case PROP_RENDER_STATS: self->render_stats = g_value_get_boolean (value); break; #endif default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void gst_d3d11_window_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec) { GstD3D11Window *self = GST_D3D11_WINDOW (object); switch (prop_id) { case PROP_ENABLE_NAVIGATION_EVENTS: g_value_set_boolean (value, self->enable_navigation_events); break; case PROP_FORCE_ASPECT_RATIO: g_value_set_boolean (value, self->force_aspect_ratio); break; case PROP_FULLSCREEN_TOGGLE_MODE: g_value_set_flags (value, self->fullscreen_toggle_mode); break; case PROP_FULLSCREEN: g_value_set_boolean (value, self->fullscreen); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } #ifdef HAVE_DIRECT_WRITE static void gst_d3d11_window_release_dwrite_resources (GstD3D11Window * self) { GstD3D11WindowPrivate *priv = self->priv; if (priv->d2d_device_context) { priv->d2d_device_context->Release (); priv->d2d_device_context = NULL; } if (priv->d2d_factory) { priv->d2d_factory->Release (); priv->d2d_factory = NULL; } if (priv->d2d_device) { priv->d2d_device->Release (); priv->d2d_device = NULL; } if (priv->d2d_brush) { priv->d2d_brush->Release (); priv->d2d_brush = NULL; } if (priv->dwrite_factory) { priv->dwrite_factory->Release (); priv->dwrite_factory = NULL; } if (priv->dwrite_format) { priv->dwrite_format->Release (); priv->dwrite_format = NULL; } } static void gst_d3d11_window_prepare_dwrite_device (GstD3D11Window * self) { GstD3D11WindowPrivate *priv = self->priv; HRESULT hr; ComPtr dxgi_device; ID3D11Device *device_handle; if (!self->device) { GST_ERROR_OBJECT (self, "D3D11Device is unavailable"); return; } /* Already prepared */ if (priv->d2d_device) return; hr = D2D1CreateFactory (D2D1_FACTORY_TYPE_MULTI_THREADED, IID_PPV_ARGS (&priv->d2d_factory)); if (!gst_d3d11_result (hr, self->device)) goto error; device_handle = gst_d3d11_device_get_device_handle (self->device); hr = device_handle->QueryInterface (IID_PPV_ARGS (&dxgi_device)); if (!gst_d3d11_result (hr, self->device)) goto error; hr = priv->d2d_factory->CreateDevice (dxgi_device.Get (), &priv->d2d_device); if (!gst_d3d11_result (hr, self->device)) goto error; hr = priv->d2d_device->CreateDeviceContext (D2D1_DEVICE_CONTEXT_OPTIONS_ENABLE_MULTITHREADED_OPTIMIZATIONS, &priv->d2d_device_context); if (!gst_d3d11_result (hr, self->device)) goto error; hr = priv->d2d_device_context->CreateSolidColorBrush(D2D1::ColorF(D2D1::ColorF::Yellow), &priv->d2d_brush); if (!gst_d3d11_result (hr, self->device)) goto error; hr = DWriteCreateFactory (DWRITE_FACTORY_TYPE_SHARED, __uuidof (IDWriteFactory), (IUnknown **) &priv->dwrite_factory); if (!gst_d3d11_result (hr, self->device)) goto error; /* Configure font */ hr = priv->dwrite_factory->CreateTextFormat(L"Arial", NULL, DWRITE_FONT_WEIGHT_NORMAL, DWRITE_FONT_STYLE_NORMAL, DWRITE_FONT_STRETCH_NORMAL, 12.0f, L"en-US", &priv->dwrite_format); if (!gst_d3d11_result (hr, self->device)) goto error; GST_DEBUG_OBJECT (self, "Direct2D device is prepared"); return; error: gst_d3d11_window_release_dwrite_resources (self); } static void gst_d3d11_window_dwrite_on_resize (GstD3D11Window * self, ID3D11Texture2D * backbuffer) { GstD3D11WindowPrivate *priv = self->priv; ComPtr dxgi_surface; ComPtr bitmap; D2D1_BITMAP_PROPERTIES1 prop; HRESULT hr; if (!priv->d2d_device) return; prop.pixelFormat.format = DXGI_FORMAT_B8G8R8A8_UNORM; prop.pixelFormat.alphaMode = D2D1_ALPHA_MODE_IGNORE; /* default dpi */ prop.dpiX = 96.0f; prop.dpiY = 96.0f; prop.bitmapOptions = D2D1_BITMAP_OPTIONS_TARGET | D2D1_BITMAP_OPTIONS_CANNOT_DRAW; prop.colorContext = NULL; hr = backbuffer->QueryInterface (IID_PPV_ARGS (&dxgi_surface)); if (!gst_d3d11_result (hr, self->device)) goto error; hr = priv->d2d_device_context->CreateBitmapFromDxgiSurface (dxgi_surface.Get (), &prop, &bitmap); if (!gst_d3d11_result (hr, self->device)) goto error; priv->d2d_device_context->SetTarget (bitmap.Get ()); GST_LOG_OBJECT (self, "New D2D bitmap has been configured"); return; error: gst_d3d11_window_release_dwrite_resources (self); } #endif static void gst_d3d11_window_release_resources (GstD3D11Device * device, GstD3D11Window * window) { #ifdef HAVE_DIRECT_WRITE gst_d3d11_window_release_dwrite_resources (window); #endif if (window->rtv) { window->rtv->Release (); window->rtv = NULL; } if (window->pov) { window->pov->Release (); window->pov = NULL; } if (window->swap_chain) { window->swap_chain->Release (); window->swap_chain = NULL; } } static void gst_d3d11_window_dispose (GObject * object) { GstD3D11Window *self = GST_D3D11_WINDOW (object); if (self->device) { gst_d3d11_window_release_resources (self->device, self); } g_clear_pointer (&self->processor, gst_d3d11_video_processor_free); g_clear_pointer (&self->converter, gst_d3d11_color_converter_free); g_clear_pointer (&self->compositor, gst_d3d11_overlay_compositor_free); gst_clear_buffer (&self->cached_buffer); gst_clear_object (&self->device); G_OBJECT_CLASS (parent_class)->dispose (object); } static void gst_d3d11_window_on_resize_default (GstD3D11Window * window, guint width, guint height) { #ifdef HAVE_DIRECT_WRITE GstD3D11WindowPrivate *priv = window->priv; #endif HRESULT hr; ID3D11Device *device_handle; D3D11_TEXTURE2D_DESC desc; DXGI_SWAP_CHAIN_DESC swap_desc; ID3D11Texture2D *backbuffer = NULL; GstVideoRectangle src_rect, dst_rect, rst_rect; IDXGISwapChain *swap_chain; gst_d3d11_device_lock (window->device); if (!window->swap_chain) goto done; device_handle = gst_d3d11_device_get_device_handle (window->device); swap_chain = window->swap_chain; if (window->rtv) { window->rtv->Release (); window->rtv = NULL; } if (window->pov) { window->pov->Release (); window->pov = NULL; } #ifdef HAVE_DIRECT_WRITE /* D2D bitmap need to be cleared before resizing swapchain buffer */ if (priv->d2d_device_context) priv->d2d_device_context->SetTarget (NULL); #endif swap_chain->GetDesc (&swap_desc); hr = swap_chain->ResizeBuffers (0, width, height, window->dxgi_format, swap_desc.Flags); if (!gst_d3d11_result (hr, window->device)) { GST_ERROR_OBJECT (window, "Couldn't resize buffers, hr: 0x%x", (guint) hr); goto done; } hr = swap_chain->GetBuffer (0, IID_ID3D11Texture2D, (void **) &backbuffer); if (!gst_d3d11_result (hr, window->device)) { GST_ERROR_OBJECT (window, "Cannot get backbuffer from swapchain, hr: 0x%x", (guint) hr); goto done; } backbuffer->GetDesc (&desc); window->surface_width = desc.Width; window->surface_height = desc.Height; { dst_rect.x = 0; dst_rect.y = 0; dst_rect.w = window->surface_width; dst_rect.h = window->surface_height; if (window->force_aspect_ratio) { src_rect.x = 0; src_rect.y = 0; src_rect.w = GST_VIDEO_INFO_WIDTH (&window->render_info); src_rect.h = GST_VIDEO_INFO_HEIGHT (&window->render_info); gst_video_sink_center_rect (src_rect, dst_rect, &rst_rect, TRUE); } else { rst_rect = dst_rect; } } window->render_rect.left = rst_rect.x; window->render_rect.top = rst_rect.y; window->render_rect.right = rst_rect.x + rst_rect.w; window->render_rect.bottom = rst_rect.y + rst_rect.h; GST_LOG_OBJECT (window, "New client area %dx%d, render rect x: %d, y: %d, %dx%d", desc.Width, desc.Height, rst_rect.x, rst_rect.y, rst_rect.w, rst_rect.h); hr = device_handle->CreateRenderTargetView ((ID3D11Resource *) backbuffer, NULL, &window->rtv); if (!gst_d3d11_result (hr, window->device)) { GST_ERROR_OBJECT (window, "Cannot create render target view, hr: 0x%x", (guint) hr); goto done; } if (window->processor) { D3D11_VIDEO_PROCESSOR_OUTPUT_VIEW_DESC pov_desc; pov_desc.ViewDimension = D3D11_VPOV_DIMENSION_TEXTURE2D; pov_desc.Texture2D.MipSlice = 0; if (!gst_d3d11_video_processor_create_output_view (window->processor, &pov_desc, (ID3D11Resource *) backbuffer, &window->pov)) goto done; } #ifdef HAVE_DIRECT_WRITE if (window->render_stats) gst_d3d11_window_dwrite_on_resize (window, backbuffer); #endif window->first_present = TRUE; /* redraw the last scene if cached buffer exits */ if (window->cached_buffer) { gst_d3d111_window_present (window, window->cached_buffer, NULL, window->pov, window->rtv); } done: if (backbuffer) backbuffer->Release (); gst_d3d11_device_unlock (window->device); } void gst_d3d11_window_on_key_event (GstD3D11Window * window, const gchar * event, const gchar * key) { g_return_if_fail (GST_IS_D3D11_WINDOW (window)); if (!window->enable_navigation_events) return; g_signal_emit (window, d3d11_window_signals[SIGNAL_KEY_EVENT], 0, event, key); } void gst_d3d11_window_on_mouse_event (GstD3D11Window * window, const gchar * event, gint button, gdouble x, gdouble y) { g_return_if_fail (GST_IS_D3D11_WINDOW (window)); if (!window->enable_navigation_events) return; g_signal_emit (window, d3d11_window_signals[SIGNAL_MOUSE_EVENT], 0, event, button, x, y); } typedef struct { DXGI_FORMAT dxgi_format; GstVideoFormat gst_format; gboolean supported; } GstD3D11WindowDisplayFormat; gboolean gst_d3d11_window_prepare (GstD3D11Window * window, guint display_width, guint display_height, GstCaps * caps, gboolean * video_processor_available, GError ** error) { GstD3D11WindowClass *klass; g_return_val_if_fail (GST_IS_D3D11_WINDOW (window), FALSE); klass = GST_D3D11_WINDOW_GET_CLASS (window); g_assert (klass->prepare != NULL); GST_DEBUG_OBJECT (window, "Prepare window, display resolution %dx%d, caps %" GST_PTR_FORMAT, display_width, display_height, caps); return klass->prepare (window, display_width, display_height, caps, video_processor_available, error); } static gboolean gst_d3d11_window_prepare_default (GstD3D11Window * window, guint display_width, guint display_height, GstCaps * caps, gboolean * video_processor_available, GError ** error) { GstD3D11WindowClass *klass; guint swapchain_flags = 0; ID3D11Device *device_handle; guint i; guint num_supported_format = 0; HRESULT hr; UINT display_flags = D3D11_FORMAT_SUPPORT_TEXTURE2D | D3D11_FORMAT_SUPPORT_DISPLAY; UINT supported_flags = 0; GstD3D11WindowDisplayFormat formats[] = { { DXGI_FORMAT_R8G8B8A8_UNORM, GST_VIDEO_FORMAT_RGBA, FALSE }, { DXGI_FORMAT_B8G8R8A8_UNORM, GST_VIDEO_FORMAT_BGRA, FALSE }, { DXGI_FORMAT_R10G10B10A2_UNORM, GST_VIDEO_FORMAT_RGB10A2_LE, FALSE }, }; const GstD3D11WindowDisplayFormat *chosen_format = NULL; const GstDxgiColorSpace * chosen_colorspace = NULL; #if (DXGI_HEADER_VERSION >= 4) gboolean have_hdr10 = FALSE; DXGI_COLOR_SPACE_TYPE native_colorspace_type = DXGI_COLOR_SPACE_RGB_FULL_G22_NONE_P709; #endif #if (DXGI_HEADER_VERSION >= 5) DXGI_HDR_METADATA_HDR10 hdr10_metadata = { 0, }; #endif /* Step 1: Clear old resources and objects */ gst_clear_buffer (&window->cached_buffer); g_clear_pointer (&window->processor, gst_d3d11_video_processor_free); g_clear_pointer (&window->converter, gst_d3d11_color_converter_free); g_clear_pointer (&window->compositor, gst_d3d11_overlay_compositor_free); /* Step 2: Decide display color format * If upstream format is 10bits, try DXGI_FORMAT_R10G10B10A2_UNORM first * Otherwise, use DXGI_FORMAT_B8G8R8A8_UNORM or DXGI_FORMAT_B8G8R8A8_UNORM */ gst_video_info_from_caps (&window->info, caps); device_handle = gst_d3d11_device_get_device_handle (window->device); for (i = 0; i < G_N_ELEMENTS (formats); i++) { hr = device_handle->CheckFormatSupport (formats[i].dxgi_format, &supported_flags); if (SUCCEEDED (hr) && (supported_flags & display_flags) == display_flags) { GST_DEBUG_OBJECT (window, "Device supports format %s (DXGI_FORMAT %d)", gst_video_format_to_string (formats[i].gst_format), formats[i].dxgi_format); formats[i].supported = TRUE; num_supported_format++; } } if (num_supported_format == 0) { GST_ERROR_OBJECT (window, "Cannot determine render format"); g_set_error (error, GST_RESOURCE_ERROR, GST_RESOURCE_ERROR_FAILED, "Cannot determine render format"); return FALSE; } #ifdef HAVE_DIRECT_WRITE if (window->render_stats && formats[1].supported) { /* FIXME: D2D seems to be accepting only DXGI_FORMAT_B8G8R8A8_UNORM */ chosen_format = &formats[1]; } else #else { for (i = 0; i < GST_VIDEO_INFO_N_COMPONENTS (&window->info); i++) { if (GST_VIDEO_INFO_COMP_DEPTH (&window->info, i) > 8) { if (formats[2].supported) { chosen_format = &formats[2]; } break; } } } #endif if (!chosen_format) { /* prefer native format over conversion */ for (i = 0; i < 2; i++) { if (formats[i].supported && formats[i].gst_format == GST_VIDEO_INFO_FORMAT (&window->info)) { chosen_format = &formats[i]; break; } } /* choose any color space then */ if (!chosen_format) { for (i = 0; i < G_N_ELEMENTS (formats); i++) { if (formats[i].supported) { chosen_format = &formats[i]; break; } } } } g_assert (chosen_format != NULL); GST_DEBUG_OBJECT (window, "chosen rendero format %s (DXGI_FORMAT %d)", gst_video_format_to_string (chosen_format->gst_format), chosen_format->dxgi_format); /* Step 3: Create swapchain * (or reuse old swapchain if the format is not changed) */ window->allow_tearing = FALSE; g_object_get (window->device, "allow-tearing", &window->allow_tearing, NULL); if (window->allow_tearing) { GST_DEBUG_OBJECT (window, "device support tearning"); swapchain_flags |= DXGI_SWAP_CHAIN_FLAG_ALLOW_TEARING; } gst_d3d11_device_lock (window->device); window->dxgi_format = chosen_format->dxgi_format; klass = GST_D3D11_WINDOW_GET_CLASS (window); if (!window->swap_chain && !klass->create_swap_chain (window, window->dxgi_format, display_width, display_height, swapchain_flags, &window->swap_chain)) { GST_ERROR_OBJECT (window, "Cannot create swapchain"); g_set_error (error, GST_RESOURCE_ERROR, GST_RESOURCE_ERROR_FAILED, "Cannot create swapchain"); goto error; } /* this rect struct will be used to calculate render area */ window->render_rect.left = 0; window->render_rect.top = 0; window->render_rect.right = display_width; window->render_rect.bottom = display_height; window->input_rect.left = 0; window->input_rect.top = 0; window->input_rect.right = GST_VIDEO_INFO_WIDTH (&window->info); window->input_rect.bottom = GST_VIDEO_INFO_HEIGHT (&window->info); /* Step 4: Decide render color space and set it on converter/processor */ /* check HDR10 metadata. If HDR APIs are available, BT2020 primaries colorspcae * will be used. * * FIXME: need to query h/w level support. If that's not the case, tone-mapping * should be placed somewhere. * * FIXME: Non-HDR colorspace with BT2020 primaries will break rendering. * https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/issues/1175 * To workaround it, BT709 colorspace will be chosen for non-HDR case. */ #if (DXGI_HEADER_VERSION >= 5) { GstVideoMasteringDisplayInfo minfo; GstVideoContentLightLevel cll; if (gst_video_mastering_display_info_from_caps (&minfo, caps) && gst_video_content_light_level_from_caps (&cll, caps)) { IDXGISwapChain4 *swapchain4 = NULL; HRESULT hr; hr = window->swap_chain->QueryInterface (IID_IDXGISwapChain4, (void **) &swapchain4); if (gst_d3d11_result (hr, window->device)) { GST_DEBUG_OBJECT (window, "Have HDR metadata, set to DXGI swapchain"); gst_d3d11_hdr_meta_data_to_dxgi (&minfo, &cll, &hdr10_metadata); hr = swapchain4->SetHDRMetaData (DXGI_HDR_METADATA_TYPE_HDR10, sizeof (DXGI_HDR_METADATA_HDR10), &hdr10_metadata); if (!gst_d3d11_result (hr, window->device)) { GST_WARNING_OBJECT (window, "Couldn't set HDR metadata, hr 0x%x", (guint) hr); } else { have_hdr10 = TRUE; } swapchain4->Release (); } } } #endif /* Step 5: Choose display color space */ gst_video_info_set_format (&window->render_info, chosen_format->gst_format, display_width, display_height); /* preserve upstream colorimetry */ window->render_info.colorimetry.primaries = window->info.colorimetry.primaries; window->render_info.colorimetry.transfer = window->info.colorimetry.transfer; /* prefer FULL range RGB. STUDIO range doesn't seem to be well supported * color space by GPUs and we don't need to preserve color range for * target display color space type */ window->render_info.colorimetry.range = GST_VIDEO_COLOR_RANGE_0_255; #if (DXGI_HEADER_VERSION >= 4) { IDXGISwapChain3 *swapchain3 = NULL; HRESULT hr; hr = window->swap_chain->QueryInterface (IID_IDXGISwapChain3, (void **) &swapchain3); if (gst_d3d11_result (hr, window->device)) { chosen_colorspace = gst_d3d11_find_swap_chain_color_space (&window->render_info, swapchain3, have_hdr10); if (chosen_colorspace) { native_colorspace_type = (DXGI_COLOR_SPACE_TYPE) chosen_colorspace->dxgi_color_space_type; hr = swapchain3->SetColorSpace1 (native_colorspace_type); if (!gst_d3d11_result (hr, window->device)) { GST_WARNING_OBJECT (window, "Failed to set colorspace %d, hr: 0x%x", native_colorspace_type, (guint) hr); chosen_colorspace = NULL; native_colorspace_type = DXGI_COLOR_SPACE_RGB_FULL_G22_NONE_P709; } else { GST_DEBUG_OBJECT (window, "Set colorspace %d", native_colorspace_type); /* update with selected display color space */ window->render_info.colorimetry.primaries = chosen_colorspace->primaries; window->render_info.colorimetry.transfer = chosen_colorspace->transfer; window->render_info.colorimetry.range = chosen_colorspace->range; window->render_info.colorimetry.matrix = chosen_colorspace->matrix; } } swapchain3->Release (); } } #endif /* otherwise, use most common DXGI_COLOR_SPACE_RGB_FULL_G22_NONE_P709 * color space */ if (!chosen_colorspace) { GST_DEBUG_OBJECT (window, "No selected render color space, use BT709"); window->render_info.colorimetry.primaries = GST_VIDEO_COLOR_PRIMARIES_BT709; window->render_info.colorimetry.transfer = GST_VIDEO_TRANSFER_BT709; window->render_info.colorimetry.range = GST_VIDEO_COLOR_RANGE_0_255; } #if (DXGI_HEADER_VERSION >= 4) if (chosen_colorspace) { const GstDxgiColorSpace *in_color_space = gst_d3d11_video_info_to_dxgi_color_space (&window->info); const GstD3D11Format *in_format = gst_d3d11_device_format_from_gst (window->device, GST_VIDEO_INFO_FORMAT (&window->info)); gboolean hardware = FALSE; GstD3D11VideoProcessor *processor = NULL; if (in_color_space && in_format && in_format->dxgi_format != DXGI_FORMAT_UNKNOWN) { g_object_get (window->device, "hardware", &hardware, NULL); } if (hardware) { processor = gst_d3d11_video_processor_new (window->device, GST_VIDEO_INFO_WIDTH (&window->info), GST_VIDEO_INFO_HEIGHT (&window->info), display_width, display_height); } if (processor) { DXGI_FORMAT in_dxgi_format = in_format->dxgi_format; DXGI_FORMAT out_dxgi_format = chosen_format->dxgi_format; DXGI_COLOR_SPACE_TYPE in_dxgi_color_space = (DXGI_COLOR_SPACE_TYPE) in_color_space->dxgi_color_space_type; DXGI_COLOR_SPACE_TYPE out_dxgi_color_space = native_colorspace_type; if (!gst_d3d11_video_processor_check_format_conversion (processor, in_dxgi_format, in_dxgi_color_space, out_dxgi_format, out_dxgi_color_space)) { GST_DEBUG_OBJECT (window, "Conversion is not supported by device"); gst_d3d11_video_processor_free (processor); processor = NULL; } else { GST_DEBUG_OBJECT (window, "video processor supports conversion"); gst_d3d11_video_processor_set_input_dxgi_color_space (processor, in_dxgi_color_space); gst_d3d11_video_processor_set_output_dxgi_color_space (processor, out_dxgi_color_space); #if (DXGI_HEADER_VERSION >= 5) if (have_hdr10) { GST_DEBUG_OBJECT (window, "Set HDR metadata on video processor"); gst_d3d11_video_processor_set_input_hdr10_metadata (processor, &hdr10_metadata); gst_d3d11_video_processor_set_output_hdr10_metadata (processor, &hdr10_metadata); } #endif } window->processor = processor; } } #endif *video_processor_available = !!window->processor; /* configure shader even if video processor is available for fallback */ window->converter = gst_d3d11_color_converter_new (window->device, &window->info, &window->render_info); if (!window->converter) { GST_ERROR_OBJECT (window, "Cannot create converter"); g_set_error (error, GST_RESOURCE_ERROR, GST_RESOURCE_ERROR_FAILED, "Cannot create converter"); goto error; } window->compositor = gst_d3d11_overlay_compositor_new (window->device, &window->render_info); if (!window->compositor) { GST_ERROR_OBJECT (window, "Cannot create overlay compositor"); g_set_error (error, GST_RESOURCE_ERROR, GST_RESOURCE_ERROR_FAILED, "Cannot create overlay compositor"); goto error; } #ifdef HAVE_DIRECT_WRITE if (window->render_stats) gst_d3d11_window_prepare_dwrite_device (window); #endif gst_d3d11_device_unlock (window->device); /* call resize to allocated resources */ klass->on_resize (window, display_width, display_height); if (window->requested_fullscreen != window->fullscreen) { klass->change_fullscreen_mode (window); } GST_DEBUG_OBJECT (window, "New swap chain 0x%p created", window->swap_chain); return TRUE; error: gst_d3d11_device_unlock (window->device); return FALSE; } void gst_d3d11_window_show (GstD3D11Window * window) { GstD3D11WindowClass *klass; g_return_if_fail (GST_IS_D3D11_WINDOW (window)); klass = GST_D3D11_WINDOW_GET_CLASS (window); if (klass->show) klass->show (window); } void gst_d3d11_window_set_render_rectangle (GstD3D11Window * window, gint x, gint y, gint width, gint height) { g_return_if_fail (GST_IS_D3D11_WINDOW (window)); /* TODO: resize window and view */ } static gboolean gst_d3d11_window_buffer_ensure_processor_input (GstD3D11Window * self, GstBuffer * buffer, ID3D11VideoProcessorInputView ** in_view) { GstD3D11Memory *mem; ID3D11VideoProcessorInputView *piv; if (!self->processor) return FALSE; if (gst_buffer_n_memory (buffer) != 1) return FALSE; mem = (GstD3D11Memory *) gst_buffer_peek_memory (buffer, 0); piv = gst_d3d11_video_processor_get_input_view (self->processor, mem); if (!piv) { GST_LOG_OBJECT (self, "Failed to get processor input view"); return FALSE; } *in_view = piv; return TRUE; } #ifdef HAVE_DIRECT_WRITE static void gst_d3d11_window_present_d2d (GstD3D11Window * self, GstStructure * stats) { GstD3D11WindowPrivate *priv = self->priv; HRESULT hr; gdouble framerate = 0.0; guint64 dropped = 0; guint64 rendered = 0; std::wostringstream stats_str; ComPtr layout; FLOAT left; FLOAT top; if (!priv->d2d_device) return; if (!stats) return; gst_structure_get_double (stats, "average-rate", &framerate); gst_structure_get_uint64 (stats, "dropped", &dropped); gst_structure_get_uint64 (stats, "rendered", &rendered); stats_str.precision (5); stats_str << "Average-rate: " << framerate << std::endl; stats_str << "Dropped: " << dropped << std::endl; stats_str << "Rendered: " << rendered << std::endl; hr = priv->dwrite_factory->CreateTextLayout (stats_str.str().c_str(), (UINT32) stats_str.str().size(), priv->dwrite_format, self->render_rect.right - self->render_rect.left, self->render_rect.bottom - self->render_rect.top, &layout); if (!gst_d3d11_result (hr, self->device)) return; left = self->render_rect.left + 5.0f; top = self->render_rect.top + 5.0f; priv->d2d_device_context->BeginDraw (); priv->d2d_device_context->DrawTextLayout(D2D1::Point2F(left, top), layout.Get(), priv->d2d_brush); hr = priv->d2d_device_context->EndDraw (); gst_d3d11_result (hr, self->device); return; } #endif static GstFlowReturn gst_d3d111_window_present (GstD3D11Window * self, GstBuffer * buffer, GstStructure * stats, ID3D11VideoProcessorOutputView *pov, ID3D11RenderTargetView * rtv) { GstD3D11WindowClass *klass = GST_D3D11_WINDOW_GET_CLASS (self); GstFlowReturn ret = GST_FLOW_OK; guint present_flags = 0; if (!buffer) return GST_FLOW_OK; { GstMapInfo infos[GST_VIDEO_MAX_PLANES]; ID3D11ShaderResourceView *srv[GST_VIDEO_MAX_PLANES]; ID3D11VideoProcessorInputView *piv = NULL; ID3D11Device *device_handle = gst_d3d11_device_get_device_handle (self->device); /* Map memory in any case so that we can upload pending stage texture */ if (!gst_d3d11_buffer_map (buffer, device_handle, infos, GST_MAP_READ)) { GST_ERROR_OBJECT (self, "Couldn't map buffer"); return GST_FLOW_ERROR; } if (!gst_d3d11_buffer_get_shader_resource_view (buffer, srv)) { if (!gst_d3d11_window_buffer_ensure_processor_input (self, buffer, &piv)) { GST_ERROR_OBJECT (self, "Input texture cannot be used for converter"); return GST_FLOW_ERROR; } } if (self->first_present) { D3D11_VIEWPORT viewport; viewport.TopLeftX = self->render_rect.left; viewport.TopLeftY = self->render_rect.top; viewport.Width = self->render_rect.right - self->render_rect.left; viewport.Height = self->render_rect.bottom - self->render_rect.top; viewport.MinDepth = 0.0f; viewport.MaxDepth = 1.0f; gst_d3d11_color_converter_update_viewport (self->converter, &viewport); gst_d3d11_overlay_compositor_update_viewport (self->compositor, &viewport); } if (self->processor && piv && pov) { if (!gst_d3d11_video_processor_render_unlocked (self->processor, &self->input_rect, piv, &self->render_rect, pov)) { GST_ERROR_OBJECT (self, "Couldn't render to backbuffer using processor"); ret = GST_FLOW_ERROR; goto unmap_and_out; } else { GST_TRACE_OBJECT (self, "Rendered using processor"); } } else { if (!gst_d3d11_color_converter_convert_unlocked (self->converter, srv, &rtv, NULL, NULL)) { GST_ERROR_OBJECT (self, "Couldn't render to backbuffer using converter"); ret = GST_FLOW_ERROR; goto unmap_and_out; } else { GST_TRACE_OBJECT (self, "Rendered using converter"); } } gst_d3d11_overlay_compositor_upload (self->compositor, buffer); gst_d3d11_overlay_compositor_draw_unlocked (self->compositor, &rtv); #if (DXGI_HEADER_VERSION >= 5) if (self->allow_tearing && self->fullscreen) { present_flags |= DXGI_PRESENT_ALLOW_TEARING; } #endif #if HAVE_DIRECT_WRITE gst_d3d11_window_present_d2d (self, stats); #endif if (klass->present) ret = klass->present (self, present_flags); self->first_present = FALSE; unmap_and_out: gst_d3d11_buffer_unmap (buffer, infos); } return ret; } GstFlowReturn gst_d3d11_window_render (GstD3D11Window * window, GstBuffer * buffer, GstVideoRectangle * rect, GstStructure * stats) { GstMemory *mem; GstFlowReturn ret; g_return_val_if_fail (GST_IS_D3D11_WINDOW (window), GST_FLOW_ERROR); g_return_val_if_fail (rect != NULL, GST_FLOW_ERROR); mem = gst_buffer_peek_memory (buffer, 0); if (!gst_is_d3d11_memory (mem)) { GST_ERROR_OBJECT (window, "Invalid buffer"); if (stats) gst_structure_free (stats); return GST_FLOW_ERROR; } gst_d3d11_device_lock (window->device); gst_buffer_replace (&window->cached_buffer, buffer); ret = gst_d3d111_window_present (window, window->cached_buffer, stats, window->pov, window->rtv); gst_d3d11_device_unlock (window->device); if (stats) gst_structure_free (stats); return ret; } GstFlowReturn gst_d3d11_window_render_on_shared_handle (GstD3D11Window * window, GstBuffer * buffer, HANDLE shared_handle, guint texture_misc_flags, guint64 acquire_key, guint64 release_key) { GstD3D11WindowClass *klass; GstMemory *mem; GstFlowReturn ret = GST_FLOW_OK; GstD3D11WindowSharedHandleData data = { NULL, }; ID3D11VideoProcessorOutputView *pov = NULL; ID3D11RenderTargetView *rtv = NULL; g_return_val_if_fail (GST_IS_D3D11_WINDOW (window), GST_FLOW_ERROR); klass = GST_D3D11_WINDOW_GET_CLASS (window); g_assert (klass->open_shared_handle != NULL); g_assert (klass->release_shared_handle != NULL); mem = gst_buffer_peek_memory (buffer, 0); if (!gst_is_d3d11_memory (mem)) { GST_ERROR_OBJECT (window, "Invalid buffer"); return GST_FLOW_ERROR; } data.shared_handle = shared_handle; data.texture_misc_flags = texture_misc_flags; data.acquire_key = acquire_key; data.release_key = release_key; gst_d3d11_device_lock (window->device); if (!klass->open_shared_handle (window, &data)) { GST_ERROR_OBJECT (window, "Couldn't open shared handle"); gst_d3d11_device_unlock (window->device); return GST_FLOW_OK; } if (data.fallback_rtv) { rtv = data.fallback_rtv; pov = data.fallback_pov; } else { rtv = data.rtv; pov = data.pov; } ret = gst_d3d111_window_present (window, buffer, NULL, pov, rtv); klass->release_shared_handle (window, &data); gst_d3d11_device_unlock (window->device); return ret; } gboolean gst_d3d11_window_unlock (GstD3D11Window * window) { GstD3D11WindowClass *klass; gboolean ret = TRUE; g_return_val_if_fail (GST_IS_D3D11_WINDOW (window), FALSE); klass = GST_D3D11_WINDOW_GET_CLASS (window); if (klass->unlock) ret = klass->unlock (window); return ret; } gboolean gst_d3d11_window_unlock_stop (GstD3D11Window * window) { GstD3D11WindowClass *klass; gboolean ret = TRUE; g_return_val_if_fail (GST_IS_D3D11_WINDOW (window), FALSE); klass = GST_D3D11_WINDOW_GET_CLASS (window); if (klass->unlock_stop) ret = klass->unlock_stop (window); gst_d3d11_device_lock (window->device); gst_clear_buffer (&window->cached_buffer); gst_d3d11_device_unlock (window->device); return ret; } void gst_d3d11_window_unprepare (GstD3D11Window * window) { GstD3D11WindowClass *klass; g_return_if_fail (GST_IS_D3D11_WINDOW (window)); klass = GST_D3D11_WINDOW_GET_CLASS (window); if (klass->unprepare) klass->unprepare (window); } GstD3D11WindowNativeType gst_d3d11_window_get_native_type_from_handle (guintptr handle) { if (!handle) return GST_D3D11_WINDOW_NATIVE_TYPE_NONE; #if (!GST_D3D11_WINAPI_ONLY_APP) if (IsWindow ((HWND) handle)) return GST_D3D11_WINDOW_NATIVE_TYPE_HWND; #endif #if GST_D3D11_WINAPI_ONLY_APP { ComPtr window = reinterpret_cast (handle); ComPtr core_window; ComPtr panel; if (SUCCEEDED (window.As (&core_window))) return GST_D3D11_WINDOW_NATIVE_TYPE_CORE_WINDOW; if (SUCCEEDED (window.As (&panel))) return GST_D3D11_WINDOW_NATIVE_TYPE_SWAP_CHAIN_PANEL; } #endif return GST_D3D11_WINDOW_NATIVE_TYPE_NONE; } const gchar * gst_d3d11_window_get_native_type_to_string (GstD3D11WindowNativeType type) { switch (type) { case GST_D3D11_WINDOW_NATIVE_TYPE_NONE: return "none"; case GST_D3D11_WINDOW_NATIVE_TYPE_HWND: return "hwnd"; case GST_D3D11_WINDOW_NATIVE_TYPE_CORE_WINDOW: return "core-window"; case GST_D3D11_WINDOW_NATIVE_TYPE_SWAP_CHAIN_PANEL: return "swap-chain-panel"; default: break; } return "none"; }