/* * GStreamer * Copyright (C) 2008 Julien Isorce * Copyright (C) 2012 Matthew Waters * 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 "gstd3d11device.h" #include enum { PROP_0, PROP_D3D11_DEVICE, PROP_FORCE_ASPECT_RATIO, PROP_ENABLE_NAVIGATION_EVENTS, }; #define DEFAULT_ENABLE_NAVIGATION_EVENTS TRUE #define DEFAULT_FORCE_ASPECT_RATIO TRUE enum { SIGNAL_KEY_EVENT, SIGNAL_MOUSE_EVENT, SIGNAL_GOT_WINDOW_HANDLE, SIGNAL_LAST }; static guint d3d11_window_signals[SIGNAL_LAST] = { 0, }; #define EXTERNAL_PROC_PROP_NAME "d3d11_window_external_proc" #define D3D11_WINDOW_PROP_NAME "gst_d3d11_window_object" static LRESULT CALLBACK window_proc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam); static LRESULT FAR PASCAL sub_class_proc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam); GST_DEBUG_CATEGORY_STATIC (gst_d3d11_window_debug); #define GST_CAT_DEFAULT gst_d3d11_window_debug #define gst_d3d11_window_parent_class parent_class G_DEFINE_TYPE (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 void gst_d3d11_window_finalize (GObject * object); static gpointer gst_d3d11_window_thread_func (gpointer data); static gboolean _create_window (GstD3D11Window * self); static void _open_window (GstD3D11Window * self); static void _close_window (GstD3D11Window * self); static void release_external_win_id (GstD3D11Window * self); 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; gobject_class->finalize = gst_d3d11_window_finalize; 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, 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, 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, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); d3d11_window_signals[SIGNAL_KEY_EVENT] = g_signal_new ("key-event", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST, 0, NULL, NULL, g_cclosure_marshal_generic, 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, g_cclosure_marshal_generic, G_TYPE_NONE, 4, G_TYPE_STRING, G_TYPE_INT, G_TYPE_DOUBLE, G_TYPE_DOUBLE); d3d11_window_signals[SIGNAL_GOT_WINDOW_HANDLE] = g_signal_new ("got-window-handle", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST, 0, NULL, NULL, g_cclosure_marshal_generic, G_TYPE_NONE, 1, G_TYPE_POINTER); GST_DEBUG_CATEGORY_INIT (gst_d3d11_window_debug, "d3d11window", 0, "d3d11 window"); } static void gst_d3d11_window_init (GstD3D11Window * self) { g_mutex_init (&self->lock); g_cond_init (&self->cond); self->main_context = g_main_context_new (); self->loop = g_main_loop_new (self->main_context, FALSE); self->force_aspect_ratio = DEFAULT_FORCE_ASPECT_RATIO; self->enable_navigation_events = DEFAULT_ENABLE_NAVIGATION_EVENTS; self->aspect_ratio_n = 1; self->aspect_ratio_d = 1; GST_TRACE_OBJECT (self, "Initialized"); } static void gst_d3d11_window_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec) { GstD3D11Window *self = GST_D3D11_WINDOW (object); GST_OBJECT_LOCK (self); switch (prop_id) { case PROP_D3D11_DEVICE: self->device = g_value_dup_object (value); break; case PROP_FORCE_ASPECT_RATIO: { gboolean force_aspect_ratio; force_aspect_ratio = g_value_get_boolean (value); if (force_aspect_ratio != self->force_aspect_ratio) self->pending_resize = TRUE; self->force_aspect_ratio = force_aspect_ratio; break; } case PROP_ENABLE_NAVIGATION_EVENTS: self->enable_navigation_events = g_value_get_boolean (value); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } GST_OBJECT_UNLOCK (self); } 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; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void gst_d3d11_window_release_resources (GstD3D11Device * device, GstD3D11Window * window) { if (window->backbuffer) { ID3D11Texture2D_Release (window->backbuffer); window->backbuffer = NULL; } if (window->rtv) { ID3D11RenderTargetView_Release (window->rtv); window->rtv = NULL; } if (window->swap_chain) { IDXGISwapChain_Release (window->swap_chain); window->swap_chain = NULL; } } static void gst_d3d11_window_dispose (GObject * object) { GstD3D11Window *self = GST_D3D11_WINDOW (object); if (self->loop) { g_main_loop_quit (self->loop); } if (self->thread) { g_thread_join (self->thread); self->thread = NULL; } if (self->loop) { g_main_loop_unref (self->loop); self->loop = NULL; } if (self->main_context) { g_main_context_unref (self->main_context); self->main_context = NULL; } if (self->device) { gst_d3d11_device_thread_add (self->device, (GstD3D11DeviceThreadFunc) gst_d3d11_window_release_resources, self); } gst_clear_object (&self->device); G_OBJECT_CLASS (parent_class)->dispose (object); } static void gst_d3d11_window_finalize (GObject * object) { GstD3D11Window *self = GST_D3D11_WINDOW (object); g_mutex_clear (&self->lock); g_cond_clear (&self->cond); G_OBJECT_CLASS (parent_class)->finalize (object); } static gboolean running_cb (gpointer user_data) { GstD3D11Window *self = GST_D3D11_WINDOW (user_data); GST_TRACE_OBJECT (self, "Main loop running now"); g_mutex_lock (&self->lock); g_cond_signal (&self->cond); g_mutex_unlock (&self->lock); return G_SOURCE_REMOVE; } static gpointer gst_d3d11_window_thread_func (gpointer data) { GstD3D11Window *self = GST_D3D11_WINDOW (data); GSource *source; GST_DEBUG_OBJECT (self, "Enter loop"); g_main_context_push_thread_default (self->main_context); self->created = _create_window (self); source = g_idle_source_new (); g_source_set_callback (source, (GSourceFunc) running_cb, self, NULL); g_source_attach (source, self->main_context); g_source_unref (source); if (self->created) _open_window (self); g_main_loop_run (self->loop); if (self->created) _close_window (self); g_main_context_pop_thread_default (self->main_context); GST_DEBUG_OBJECT (self, "Exit loop"); return NULL; } static gboolean msg_cb (GIOChannel * source, GIOCondition condition, gpointer data) { MSG msg; if (!PeekMessage (&msg, NULL, 0, 0, PM_REMOVE)) return G_SOURCE_CONTINUE; TranslateMessage (&msg); DispatchMessage (&msg); return G_SOURCE_CONTINUE; } static void _open_window (GstD3D11Window * self) { self->msg_io_channel = g_io_channel_win32_new_messages (0); self->msg_source = g_io_create_watch (self->msg_io_channel, G_IO_IN); g_source_set_callback (self->msg_source, (GSourceFunc) msg_cb, self, NULL); g_source_attach (self->msg_source, self->main_context); } static void _close_window (GstD3D11Window * self) { if (self->internal_win_id) { RemoveProp (self->internal_win_id, D3D11_WINDOW_PROP_NAME); ShowWindow (self->internal_win_id, SW_HIDE); SetParent (self->internal_win_id, NULL); if (!DestroyWindow (self->internal_win_id)) GST_WARNING ("failed to destroy window %" G_GUINTPTR_FORMAT ", 0x%x", (guintptr) self->internal_win_id, (guint) GetLastError ()); self->internal_win_id = NULL; } if (self->msg_source) { g_source_destroy (self->msg_source); g_source_unref (self->msg_source); self->msg_source = NULL; } if (self->msg_io_channel) { g_io_channel_unref (self->msg_io_channel); self->msg_io_channel = NULL; } } static void set_external_win_id (GstD3D11Window * self) { WNDPROC external_window_proc; if (!self->external_win_id) return; external_window_proc = (WNDPROC) GetWindowLongPtr (self->external_win_id, GWLP_WNDPROC); GST_DEBUG ("set external window %" G_GUINTPTR_FORMAT, (guintptr) self->external_win_id); SetProp (self->external_win_id, EXTERNAL_PROC_PROP_NAME, (WNDPROC) external_window_proc); SetProp (self->external_win_id, D3D11_WINDOW_PROP_NAME, self); SetWindowLongPtr (self->external_win_id, GWLP_WNDPROC, (LONG_PTR) sub_class_proc); } static void release_external_win_id (GstD3D11Window * self) { WNDPROC external_proc; if (!self->external_win_id) return; external_proc = GetProp (self->external_win_id, EXTERNAL_PROC_PROP_NAME); if (!external_proc) return; GST_DEBUG ("release external window %" G_GUINTPTR_FORMAT, (guintptr) self->external_win_id); SetWindowLongPtr (self->external_win_id, GWLP_WNDPROC, (LONG_PTR) external_proc); RemoveProp (self->external_win_id, EXTERNAL_PROC_PROP_NAME); RemoveProp (self->external_win_id, D3D11_WINDOW_PROP_NAME); self->external_win_id = NULL; } static gboolean _create_window (GstD3D11Window * self) { WNDCLASSEX wc; ATOM atom = 0; HINSTANCE hinstance = GetModuleHandle (NULL); GST_LOG_OBJECT (self, "Attempting to create a win32 window"); atom = GetClassInfoEx (hinstance, "GSTD3D11", &wc); if (atom == 0) { GST_LOG_OBJECT (self, "Register internal window class"); ZeroMemory (&wc, sizeof (WNDCLASSEX)); wc.cbSize = sizeof (WNDCLASSEX); wc.lpfnWndProc = window_proc; wc.hInstance = hinstance; wc.hIcon = LoadIcon (NULL, IDI_WINLOGO); wc.style = CS_OWNDC | CS_HREDRAW | CS_VREDRAW; wc.hCursor = LoadCursor (NULL, IDC_ARROW); wc.hbrBackground = (HBRUSH) GetStockObject (BLACK_BRUSH); wc.lpszClassName = "GSTD3D11"; atom = RegisterClassEx (&wc); if (atom == 0) { GST_ELEMENT_ERROR (self, RESOURCE, FAILED, (NULL), ("Failed to register window class 0x%x", (unsigned int) GetLastError ())); return FALSE; } } else { GST_LOG_OBJECT (self, "window class was already registered"); } self->device_handle = 0; self->internal_win_id = 0; self->visible = FALSE; self->internal_win_id = CreateWindowEx (0, "GSTD3D11", "Direct3D11 renderer", WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, 0, 0, (HWND) NULL, (HMENU) NULL, hinstance, self); if (!self->internal_win_id) { GST_ELEMENT_ERROR (self, RESOURCE, FAILED, (NULL), ("Failed to create d3d11 window")); return FALSE; } GST_DEBUG_OBJECT (self, "d3d11 window created: %" G_GUINTPTR_FORMAT, (guintptr) self->internal_win_id); g_signal_emit (self, d3d11_window_signals[SIGNAL_GOT_WINDOW_HANDLE], 0, self->internal_win_id); /* device_handle is set in the window_proc */ if (!self->device_handle) { GST_ELEMENT_ERROR (self, RESOURCE, FAILED, (NULL), ("Failed to create device_handle")); return FALSE; } GST_LOG_OBJECT (self, "Created a internal d3d11 window %p", self->internal_win_id); return TRUE; } static void gst_d3d11_window_on_resize (GstD3D11Device * device, GstD3D11Window * window) { HRESULT hr; ID3D11Device *d3d11_dev; ID3D11DeviceContext *d3d11_context; guint width, height; if (!window->swap_chain) return; d3d11_dev = gst_d3d11_device_get_device (device); d3d11_context = gst_d3d11_device_get_device_context (device); if (window->backbuffer) { ID3D11Texture2D_Release (window->backbuffer); window->backbuffer = NULL; } if (window->rtv) { ID3D11RenderTargetView_Release (window->rtv); window->rtv = NULL; } /* NOTE: there can be various way to resize texture, but * we just copy incoming texture toward resized swap chain buffer in order to * avoid shader coding. * To keep aspect ratio, required vertical or horizontal padding area * will be calculated in here. */ width = window->width; height = window->height; if (width != window->surface_width || height != window->surface_height) { GstVideoRectangle src_rect, dst_rect; gdouble src_ratio, dst_ratio; gdouble aspect_ratio = (gdouble) window->aspect_ratio_n / (gdouble) window->aspect_ratio_d; src_ratio = (gdouble) width / height; dst_ratio = (gdouble) window->surface_width / window->surface_height * aspect_ratio; src_rect.x = 0; src_rect.y = 0; src_rect.w = width; src_rect.h = height; dst_rect.x = 0; dst_rect.y = 0; if (window->force_aspect_ratio) { if (src_ratio > dst_ratio) { /* padding top and bottom */ dst_rect.w = width; dst_rect.h = width / dst_ratio; } else { /* padding left and right */ dst_rect.w = height * dst_ratio; dst_rect.h = height; } } else { dst_rect.w = width; dst_rect.h = height; } gst_video_sink_center_rect (src_rect, dst_rect, &window->render_rect, TRUE); width = dst_rect.w; height = dst_rect.h; } hr = IDXGISwapChain_ResizeBuffers (window->swap_chain, 0, width, height, DXGI_FORMAT_UNKNOWN, 0); if (FAILED (hr)) { GST_ERROR_OBJECT (window, "Couldn't resize buffers, hr: 0x%x", (guint) hr); return; } hr = IDXGISwapChain_GetBuffer (window->swap_chain, 0, &IID_ID3D11Texture2D, (void **) &window->backbuffer); if (FAILED (hr)) { GST_ERROR_OBJECT (window, "Cannot get backbuffer from swapchain, hr: 0x%x", (guint) hr); return; } hr = ID3D11Device_CreateRenderTargetView (d3d11_dev, (ID3D11Resource *) window->backbuffer, NULL, &window->rtv); if (FAILED (hr)) { GST_ERROR_OBJECT (window, "Cannot create render target view, hr: 0x%x", (guint) hr); return; } ID3D11DeviceContext_OMSetRenderTargets (d3d11_context, 1, &window->rtv, NULL); } static void gst_d3d11_window_on_size (GstD3D11Window * self, HWND hWnd, WPARAM wParam, LPARAM lParam) { RECT clientRect = { 0, }; GetClientRect (hWnd, &clientRect); self->surface_width = clientRect.right - clientRect.left; self->surface_height = clientRect.bottom - clientRect.top; GST_LOG_OBJECT (self, "WM_PAINT, surface %ux%u", self->surface_width, self->surface_height); gst_d3d11_device_thread_add (self->device, (GstD3D11DeviceThreadFunc) gst_d3d11_window_on_resize, self); } static void gst_d3d11_window_on_keyboard_event (GstD3D11Window * self, HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) { gunichar2 wcrep[128]; const gchar *event; if (!self->enable_navigation_events) return; if (GetKeyNameTextW (lParam, (LPWSTR) wcrep, 128)) { gchar *utfrep = g_utf16_to_utf8 (wcrep, 128, NULL, NULL, NULL); if (utfrep) { if (uMsg == WM_KEYDOWN) event = "key-press"; else event = "key-release"; g_signal_emit (self, d3d11_window_signals[SIGNAL_KEY_EVENT], 0, event, utfrep); g_free (utfrep); } } } static void gst_d3d11_window_on_mouse_event (GstD3D11Window * self, HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) { gint button; const gchar *event = NULL; if (!self->enable_navigation_events) return; /* FIXME: convert to render coordinate */ switch (uMsg) { case WM_MOUSEMOVE: button = 0; event = "mouse-move"; break; case WM_LBUTTONDOWN: button = 1; event = "mouse-button-press"; break; case WM_LBUTTONUP: button = 1; event = "mouse-button-release"; break; case WM_RBUTTONDOWN: button = 2; event = "mouse-button-press"; break; case WM_RBUTTONUP: button = 2; event = "mouse-button-release"; break; case WM_MBUTTONDOWN: button = 3; event = "mouse-button-press"; break; case WM_MBUTTONUP: button = 3; event = "mouse-button-release"; break; default: break; } if (event) g_signal_emit (self, d3d11_window_signals[SIGNAL_MOUSE_EVENT], 0, event, button, (gdouble) LOWORD (lParam), (gdouble) HIWORD (lParam)); } static void gst_d3d11_window_handle_window_proc (GstD3D11Window * self, HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) { switch (uMsg) { case WM_SIZE: gst_d3d11_window_on_size (self, hWnd, wParam, lParam); break; case WM_CLOSE: if (self->internal_win_id) { ShowWindow (self->internal_win_id, SW_HIDE); _close_window (self); } break; case WM_KEYDOWN: case WM_KEYUP: gst_d3d11_window_on_keyboard_event (self, hWnd, uMsg, wParam, lParam); break; case WM_LBUTTONDOWN: case WM_LBUTTONUP: case WM_RBUTTONDOWN: case WM_RBUTTONUP: case WM_MBUTTONDOWN: case WM_MBUTTONUP: case WM_MOUSEMOVE: gst_d3d11_window_on_mouse_event (self, hWnd, uMsg, wParam, lParam); break; default: break; } return; } static LRESULT CALLBACK window_proc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) { GstD3D11Window *self; if (uMsg == WM_CREATE) { self = GST_D3D11_WINDOW (((LPCREATESTRUCT) lParam)->lpCreateParams); GST_LOG_OBJECT (self, "WM_CREATE"); self->device_handle = GetDC (hWnd); /* Do this, otherwise we hang on exit. We can still use it (due to the * CS_OWNDC flag in the WindowClass) after we have Released. */ ReleaseDC (hWnd, self->device_handle); SetProp (hWnd, D3D11_WINDOW_PROP_NAME, self); } else if (GetProp (hWnd, D3D11_WINDOW_PROP_NAME)) { self = GST_D3D11_WINDOW (GetProp (hWnd, D3D11_WINDOW_PROP_NAME)); g_assert (self->internal_win_id == hWnd); gst_d3d11_window_handle_window_proc (self, hWnd, uMsg, wParam, lParam); } return DefWindowProc (hWnd, uMsg, wParam, lParam); } static LRESULT FAR PASCAL sub_class_proc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) { WNDPROC external_window_proc = GetProp (hWnd, EXTERNAL_PROC_PROP_NAME); GstD3D11Window *self = (GstD3D11Window *) GetProp (hWnd, D3D11_WINDOW_PROP_NAME); LRESULT ret = 0; gst_d3d11_window_handle_window_proc (self, hWnd, uMsg, wParam, lParam); ret = CallWindowProc (external_window_proc, hWnd, uMsg, wParam, lParam); if (uMsg == WM_CLOSE) release_external_win_id (self); return ret; } GstD3D11Window * gst_d3d11_window_new (GstD3D11Device * device) { GstD3D11Window *window; g_return_val_if_fail (GST_IS_D3D11_DEVICE (device), NULL); window = g_object_new (GST_TYPE_D3D11_WINDOW, "d3d11device", device, NULL); g_object_ref_sink (window); return window; } #ifdef HAVE_DXGI_1_5_H static inline UINT16 fraction_to_uint (guint num, guint den, guint scale) { gdouble val; gst_util_fraction_to_double (num, den, &val); return (UINT16) val *scale; } static void mastering_display_gst_to_dxgi (GstVideoMasteringDisplayInfo * m, GstVideoContentLightLevel * c, DXGI_HDR_METADATA_HDR10 * meta) { meta->RedPrimary[0] = fraction_to_uint (m->Rx_n, m->Rx_d, 50000); meta->RedPrimary[1] = fraction_to_uint (m->Ry_n, m->Ry_d, 50000); meta->GreenPrimary[0] = fraction_to_uint (m->Gx_n, m->Gx_d, 50000); meta->GreenPrimary[1] = fraction_to_uint (m->Gy_n, m->Gy_d, 50000); meta->BluePrimary[0] = fraction_to_uint (m->Bx_n, m->Bx_d, 50000); meta->BluePrimary[1] = fraction_to_uint (m->By_n, m->By_d, 50000); meta->WhitePoint[0] = fraction_to_uint (m->Wx_n, m->Wx_d, 50000); meta->WhitePoint[1] = fraction_to_uint (m->Wy_n, m->Wy_d, 50000); meta->MaxMasteringLuminance = fraction_to_uint (m->max_luma_n, m->max_luma_d, 1); meta->MinMasteringLuminance = fraction_to_uint (m->min_luma_n, m->min_luma_d, 1); meta->MaxContentLightLevel = fraction_to_uint (c->maxCLL_n, c->maxCLL_d, 1); meta->MaxFrameAverageLightLevel = fraction_to_uint (c->maxFALL_n, c->maxFALL_d, 1); } #endif gboolean gst_d3d11_window_prepare (GstD3D11Window * window, guint width, guint height, guint aspect_ratio_n, guint aspect_ratio_d, DXGI_FORMAT format, GstCaps * caps) { DXGI_SWAP_CHAIN_DESC desc = { 0, }; gboolean have_cll = FALSE; gboolean have_mastering = FALSE; gboolean hdr_api_available = FALSE; g_return_val_if_fail (GST_IS_D3D11_WINDOW (window), FALSE); g_return_val_if_fail (aspect_ratio_n > 0, FALSE); g_return_val_if_fail (aspect_ratio_d > 0, FALSE); GST_DEBUG_OBJECT (window, "Prepare window with %dx%d format %d", width, height, format); g_mutex_lock (&window->lock); if (!window->external_win_id) { window->thread = g_thread_new ("GstD3D11Window", (GThreadFunc) gst_d3d11_window_thread_func, window); while (!g_main_loop_is_running (window->loop)) g_cond_wait (&window->cond, &window->lock); } g_mutex_unlock (&window->lock); gst_video_info_from_caps (&window->info, caps); if (!gst_video_content_light_level_from_caps (&window->content_light_level, caps)) { gst_video_content_light_level_init (&window->content_light_level); } else { have_cll = TRUE; } if (!gst_video_mastering_display_info_from_caps (&window->mastering_display_info, caps)) { gst_video_mastering_display_info_init (&window->mastering_display_info); } else { have_mastering = TRUE; } #ifdef HAVE_DXGI_1_5_H if (gst_d3d11_device_get_chosen_dxgi_factory_version (window->device) >= GST_D3D11_DXGI_FACTORY_5) { GST_DEBUG_OBJECT (window, "DXGI 1.5 interface is available"); hdr_api_available = TRUE; } #endif window->aspect_ratio_n = aspect_ratio_n; window->aspect_ratio_d = aspect_ratio_d; window->render_rect.x = 0; window->render_rect.y = 0; window->render_rect.w = width; window->render_rect.h = height; desc.BufferDesc.Width = window->width = window->surface_width = width; desc.BufferDesc.Height = window->height = window->surface_height = height; /* don't care refresh rate */ desc.BufferDesc.RefreshRate.Numerator = 0; desc.BufferDesc.RefreshRate.Denominator = 1; desc.BufferDesc.Format = format; desc.BufferDesc.ScanlineOrdering = DXGI_MODE_SCANLINE_ORDER_UNSPECIFIED; desc.BufferDesc.Scaling = DXGI_MODE_SCALING_UNSPECIFIED; desc.SampleDesc.Count = 1; desc.SampleDesc.Quality = 0; desc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT; desc.BufferCount = 2; desc.SwapEffect = DXGI_SWAP_EFFECT_DISCARD; #ifdef HAVE_DXGI_1_5_H /* For non-DXGI_COLOR_SPACE_RGB_FULL_G22_NONE_P709 color space support, * DXGI_SWAP_EFFECT_FLIP_DISCARD instead of DXGI_SWAP_EFFECT_DISCARD */ if (hdr_api_available) desc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_DISCARD; #endif desc.OutputWindow = window->external_win_id ? window->external_win_id : window-> internal_win_id; desc.Windowed = TRUE; desc.Flags = DXGI_SWAP_CHAIN_FLAG_ALLOW_MODE_SWITCH; window->swap_chain = gst_d3d11_device_create_swap_chain (window->device, &desc); if (!window->swap_chain) { GST_ERROR_OBJECT (window, "Cannot create swapchain"); return FALSE; } #ifdef HAVE_DXGI_1_5_H if (hdr_api_available && format == DXGI_FORMAT_R10G10B10A2_UNORM && have_cll && have_mastering) { UINT can_support = 0; HRESULT hr; hr = IDXGISwapChain4_CheckColorSpaceSupport ((IDXGISwapChain4 *) window->swap_chain, DXGI_COLOR_SPACE_RGB_FULL_G2084_NONE_P2020, &can_support); if (SUCCEEDED (hr) && (can_support & DXGI_SWAP_CHAIN_COLOR_SPACE_SUPPORT_FLAG_PRESENT) == DXGI_SWAP_CHAIN_COLOR_SPACE_SUPPORT_FLAG_PRESENT) { DXGI_HDR_METADATA_HDR10 metadata = { 0, }; GST_DEBUG_OBJECT (window, "Swapchain support BT2084 color space, set HDR metadata"); mastering_display_gst_to_dxgi (&window->mastering_display_info, &window->content_light_level, &metadata); hr = IDXGISwapChain4_SetColorSpace1 ((IDXGISwapChain4 *) window->swap_chain, DXGI_COLOR_SPACE_RGB_FULL_G2084_NONE_P2020); if (SUCCEEDED (hr)) { hr = IDXGISwapChain4_SetHDRMetaData ((IDXGISwapChain4 *) window->swap_chain, DXGI_HDR_METADATA_TYPE_HDR10, sizeof (DXGI_HDR_METADATA_HDR10), &metadata); if (FAILED (hr)) { GST_WARNING_OBJECT (window, "Couldn't set HDR metadata, hr 0x%x", (guint) hr); } } else { GST_WARNING_OBJECT (window, "Couldn't set colorspace, hr 0x%x", (guint) hr); } } else { GST_DEBUG_OBJECT (window, "Swapchain couldn't support BT2084 color space, hr 0x%x", (guint) hr); } } #endif gst_d3d11_device_thread_add (window->device, (GstD3D11DeviceThreadFunc) gst_d3d11_window_on_resize, window); if (!window->rtv) { gst_d3d11_device_thread_add (window->device, (GstD3D11DeviceThreadFunc) gst_d3d11_window_release_resources, window); return FALSE; } GST_DEBUG_OBJECT (window, "New swap chain 0x%p created", window->swap_chain); return TRUE; } void gst_d3d11_window_set_window_handle (GstD3D11Window * window, guintptr id) { g_return_if_fail (GST_IS_D3D11_WINDOW (window)); if (window->visible) { ShowWindow (window->internal_win_id, SW_HIDE); window->visible = FALSE; } release_external_win_id (window); window->external_win_id = (HWND) id; set_external_win_id (window); } void gst_d3d11_window_show (GstD3D11Window * window) { gint width, height; g_return_if_fail (GST_IS_D3D11_WINDOW (window)); width = window->width; height = window->height; if (!window->visible) { /* if no parent the real size has to be set now because this has not been done * when at window creation */ if (!window->external_win_id) { RECT rect; GetClientRect (window->internal_win_id, &rect); width += 2 * GetSystemMetrics (SM_CXSIZEFRAME); height += 2 * GetSystemMetrics (SM_CYSIZEFRAME) + GetSystemMetrics (SM_CYCAPTION); MoveWindow (window->internal_win_id, rect.left, rect.top, width, height, FALSE); } ShowWindow (window->internal_win_id, SW_SHOW); window->visible = TRUE; } } 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)); if (x < 0 || y < 0) { x = y = 0; width = window->surface_width; height = window->surface_height; } if (x < 0 || y < 0 || width <= 0 || height <= 0) return; /* TODO: resize window and view */ } void gst_d3d11_window_get_surface_dimensions (GstD3D11Window * window, guint * width, guint * height) { g_return_if_fail (GST_IS_D3D11_WINDOW (window)); if (width) *width = window->surface_width; if (height) *height = window->surface_height; } typedef struct { GstD3D11Window *window; ID3D11Resource *resource; GstVideoRectangle *rect; GstFlowReturn ret; } FramePresentData; static void _present_on_device_thread (GstD3D11Device * device, FramePresentData * data) { GstD3D11Window *self = data->window; ID3D11DeviceContext *device_context; HRESULT hr; float black[] = { 0.0f, 0.0f, 0.0f, 0.0f }; D3D11_BOX src_box; src_box.left = data->rect->x; src_box.right = data->rect->x + data->rect->w; src_box.top = data->rect->y; src_box.bottom = data->rect->y + data->rect->h; src_box.front = 0; src_box.back = 1; device_context = gst_d3d11_device_get_device_context (device); if (data->resource) { ID3D11DeviceContext_ClearRenderTargetView (device_context, self->rtv, black); ID3D11DeviceContext_CopySubresourceRegion (device_context, (ID3D11Resource *) self->backbuffer, 0, self->render_rect.x, self->render_rect.y, 0, data->resource, 0, &src_box); } hr = IDXGISwapChain_Present (self->swap_chain, 0, DXGI_PRESENT_DO_NOT_WAIT); if (FAILED (hr)) { GST_WARNING_OBJECT (self, "Direct3D cannot present texture, hr: 0x%x", (guint) hr); } data->ret = GST_FLOW_OK; } GstFlowReturn gst_d3d11_window_render (GstD3D11Window * window, ID3D11Texture2D * texture, GstVideoRectangle * rect) { FramePresentData data; g_return_val_if_fail (GST_IS_D3D11_WINDOW (window), GST_FLOW_ERROR); g_return_val_if_fail (rect != NULL, GST_FLOW_ERROR); if (!window->external_win_id && !window->internal_win_id) { GST_ERROR_OBJECT (window, "Output window was closed"); return GST_D3D11_WINDOW_FLOW_CLOSED; } GST_OBJECT_LOCK (window); if (rect->w != window->width || rect->h != window->height || window->pending_resize) { window->width = rect->w; window->height = rect->h; gst_d3d11_device_thread_add (window->device, (GstD3D11DeviceThreadFunc) gst_d3d11_window_on_resize, window); } GST_OBJECT_UNLOCK (window); data.window = window; data.resource = (ID3D11Resource *) texture; data.rect = rect; data.ret = GST_FLOW_OK; gst_d3d11_device_thread_add (window->device, (GstD3D11DeviceThreadFunc) _present_on_device_thread, &data); return data.ret; }