mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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547 lines
15 KiB
C++
547 lines
15 KiB
C++
/*
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* GStreamer
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* Copyright (C) 2019 Seungha Yang <seungha.yang@navercorp.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "gstd3d11window_swapchainpanel.h"
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/* workaround for GetCurrentTime collision */
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#ifdef GetCurrentTime
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#undef GetCurrentTime
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#endif
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#include <windows.ui.xaml.h>
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#include <windows.ui.xaml.media.dxinterop.h>
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#include <windows.applicationmodel.core.h>
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#include <wrl.h>
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#include <wrl/wrappers/corewrappers.h>
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/* *INDENT-OFF* */
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using namespace Microsoft::WRL;
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using namespace Microsoft::WRL::Wrappers;
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using namespace ABI::Windows::UI;
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using namespace ABI::Windows::Foundation;
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GST_DEBUG_CATEGORY_EXTERN (gst_d3d11_window_debug);
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#define GST_CAT_DEFAULT gst_d3d11_window_debug
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/* timeout to wait busy UI thread */
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#define DEFAULT_ASYNC_TIMEOUT (10 * 1000)
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typedef struct _SwapChainPanelWinRTStorage
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{
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ComPtr<Xaml::Controls::ISwapChainPanel> panel;
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ComPtr<Core::ICoreDispatcher> dispatcher;
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ComPtr<IDXGISwapChain1> swapchain;
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HANDLE cancellable;
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EventRegistrationToken event_token;
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} SwapChainPanelWinRTStorage;
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/* *INDENT-ON* */
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struct _GstD3D11WindowSwapChainPanel
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{
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GstD3D11Window parent;
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SwapChainPanelWinRTStorage *storage;
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};
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#define gst_d3d11_window_swap_chain_panel_parent_class parent_class
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G_DEFINE_TYPE (GstD3D11WindowSwapChainPanel,
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gst_d3d11_window_swap_chain_panel, GST_TYPE_D3D11_WINDOW);
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static void gst_d3d11_window_swap_chain_panel_constructed (GObject * object);
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static void gst_d3d11_window_swap_chain_panel_dispose (GObject * object);
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static void
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gst_d3d11_window_swap_chain_panel_update_swap_chain (GstD3D11Window * window);
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static void
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gst_d3d11_window_swap_chain_panel_change_fullscreen_mode (GstD3D11Window *
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window);
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static gboolean
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gst_d3d11_window_swap_chain_panel_create_swap_chain (GstD3D11Window * window,
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DXGI_FORMAT format, guint width, guint height, guint swapchain_flags,
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IDXGISwapChain ** swap_chain);
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static GstFlowReturn
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gst_d3d11_window_swap_chain_panel_present (GstD3D11Window * window,
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guint present_flags);
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static gboolean
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gst_d3d11_window_swap_chain_panel_unlock (GstD3D11Window * window);
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static gboolean
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gst_d3d11_window_swap_chain_panel_unlock_stop (GstD3D11Window * window);
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static void
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gst_d3d11_window_swap_chain_panel_on_resize (GstD3D11Window * window,
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guint width, guint height);
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static void
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gst_d3d11_window_swap_chain_panel_on_resize_sync (GstD3D11Window * window);
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static void
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gst_d3d11_window_swap_chain_panel_unprepare (GstD3D11Window * window);
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/* *INDENT-OFF* */
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class PanelResizeHandler
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: public RuntimeClass<RuntimeClassFlags<ClassicCom>,
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Xaml::ISizeChangedEventHandler>
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{
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public:
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PanelResizeHandler () {}
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HRESULT RuntimeClassInitialize (GstD3D11Window * listener)
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{
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if (!listener)
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return E_INVALIDARG;
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window = listener;
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return S_OK;
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}
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IFACEMETHOD(Invoke)
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(IInspectable * sender, Xaml::ISizeChangedEventArgs * args)
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{
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if (window) {
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Size new_size;
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HRESULT hr = args->get_NewSize(&new_size);
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if (SUCCEEDED(hr)) {
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window->surface_width = new_size.Width;
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window->surface_height = new_size.Height;
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gst_d3d11_window_swap_chain_panel_on_resize_sync (window);
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}
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}
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return S_OK;
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}
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private:
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GstD3D11Window * window;
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};
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template <typename CB>
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static HRESULT
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run_async (const ComPtr<Core::ICoreDispatcher> &dispatcher, HANDLE cancellable,
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DWORD timeout, CB &&cb)
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{
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ComPtr<IAsyncAction> async_action;
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HRESULT hr;
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HRESULT async_hr;
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boolean can_now;
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DWORD wait_ret;
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HANDLE event_handle[2];
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hr = dispatcher->get_HasThreadAccess (&can_now);
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if (!gst_d3d11_result (hr, NULL))
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return hr;
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if (can_now)
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return cb ();
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Event event (CreateEventEx (NULL, NULL, CREATE_EVENT_MANUAL_RESET,
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EVENT_ALL_ACCESS));
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if (!event.IsValid())
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return E_FAIL;
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auto handler =
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Callback<Implements<RuntimeClassFlags<ClassicCom>,
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Core::IDispatchedHandler, FtmBase>>([&async_hr, &cb, &event] {
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async_hr = cb ();
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SetEvent (event.Get());
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return S_OK;
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});
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hr = dispatcher->RunAsync (Core::CoreDispatcherPriority_Normal, handler.Get(),
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async_action.GetAddressOf());
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if (!gst_d3d11_result (hr, NULL))
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return hr;
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event_handle[0] = event.Get();
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event_handle[1] = cancellable;
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wait_ret = WaitForMultipleObjects (2, event_handle, FALSE, timeout);
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if (wait_ret != WAIT_OBJECT_0)
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return E_FAIL;
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return async_hr;
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}
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static HRESULT
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get_panel_size (const ComPtr<Core::ICoreDispatcher> &dispatcher,
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HANDLE cancellable,
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const ComPtr<Xaml::Controls::ISwapChainPanel> &panel, Size *size)
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{
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ComPtr<Xaml::IUIElement> ui;
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HRESULT hr = panel.As (&ui);
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if (!gst_d3d11_result (hr, NULL))
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return hr;
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hr = run_async (dispatcher, cancellable, DEFAULT_ASYNC_TIMEOUT,
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[ui, size] {
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return ui->get_RenderSize (size);
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});
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return hr;
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}
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/* *INDENT-ON* */
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static void
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gst_d3d11_window_swap_chain_panel_class_init (GstD3D11WindowSwapChainPanelClass
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* klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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GstD3D11WindowClass *window_class = GST_D3D11_WINDOW_CLASS (klass);
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gobject_class->constructed = gst_d3d11_window_swap_chain_panel_constructed;
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gobject_class->dispose = gst_d3d11_window_swap_chain_panel_dispose;
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window_class->update_swap_chain =
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GST_DEBUG_FUNCPTR (gst_d3d11_window_swap_chain_panel_update_swap_chain);
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window_class->change_fullscreen_mode =
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GST_DEBUG_FUNCPTR
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(gst_d3d11_window_swap_chain_panel_change_fullscreen_mode);
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window_class->create_swap_chain =
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GST_DEBUG_FUNCPTR (gst_d3d11_window_swap_chain_panel_create_swap_chain);
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window_class->present =
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GST_DEBUG_FUNCPTR (gst_d3d11_window_swap_chain_panel_present);
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window_class->unlock =
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GST_DEBUG_FUNCPTR (gst_d3d11_window_swap_chain_panel_unlock);
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window_class->unlock_stop =
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GST_DEBUG_FUNCPTR (gst_d3d11_window_swap_chain_panel_unlock_stop);
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window_class->on_resize =
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GST_DEBUG_FUNCPTR (gst_d3d11_window_swap_chain_panel_on_resize);
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window_class->unprepare =
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GST_DEBUG_FUNCPTR (gst_d3d11_window_swap_chain_panel_unprepare);
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}
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static void
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gst_d3d11_window_swap_chain_panel_init (GstD3D11WindowSwapChainPanel * self)
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{
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self->storage = new SwapChainPanelWinRTStorage;
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self->storage->cancellable = CreateEvent (NULL, TRUE, FALSE, NULL);
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}
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/* *INDENT-OFF* */
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static void
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gst_d3d11_window_swap_chain_panel_constructed (GObject * object)
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{
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GstD3D11Window *window = GST_D3D11_WINDOW (object);
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GstD3D11WindowSwapChainPanel *self =
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GST_D3D11_WINDOW_SWAP_CHAIN_PANEL (object);
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SwapChainPanelWinRTStorage *storage = self->storage;
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HRESULT hr;
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ComPtr<IInspectable> inspectable;
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ComPtr<Xaml::IDependencyObject> dependency_obj;
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Size size;
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ComPtr<Xaml::ISizeChangedEventHandler> resize_handler;
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ComPtr<Xaml::IFrameworkElement> framework;
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if (!window->external_handle) {
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GST_ERROR_OBJECT (self, "No external window handle");
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return;
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}
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inspectable = reinterpret_cast<IInspectable*> (window->external_handle);
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hr = inspectable.As (&storage->panel);
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if (!gst_d3d11_result (hr, NULL))
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goto error;
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hr = storage->panel.As (&dependency_obj);
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if (!gst_d3d11_result (hr, NULL))
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goto error;
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hr = dependency_obj->get_Dispatcher(storage->dispatcher.GetAddressOf());
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if (!gst_d3d11_result (hr, NULL))
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goto error;
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hr = get_panel_size (storage->dispatcher,
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storage->cancellable, storage->panel, &size);
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if (!gst_d3d11_result (hr, NULL))
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goto error;
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GST_DEBUG_OBJECT (self, "client size %dx%d", size.Width, size.Height);
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window->surface_width = size.Width;
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window->surface_height = size.Height;
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hr = MakeAndInitialize<PanelResizeHandler>(&resize_handler, window);
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if (!gst_d3d11_result (hr, NULL))
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goto error;
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hr = storage->panel.As (&framework);
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if (!gst_d3d11_result (hr, NULL))
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goto error;
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hr = run_async (storage->dispatcher,
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storage->cancellable, DEFAULT_ASYNC_TIMEOUT,
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[self, framework, resize_handler] {
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return framework->add_SizeChanged (resize_handler.Get(),
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&self->storage->event_token);
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});
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if (!gst_d3d11_result (hr, NULL))
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goto error;
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window->initialized = TRUE;
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return;
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error:
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GST_ERROR_OBJECT (self, "Invalid window handle");
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return;
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}
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/* *INDENT-ON* */
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static void
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gst_d3d11_window_swap_chain_panel_dispose (GObject * object)
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{
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gst_d3d11_window_swap_chain_panel_unprepare (GST_D3D11_WINDOW (object));
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G_OBJECT_CLASS (parent_class)->dispose (object);
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}
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/* *INDENT-OFF* */
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static void
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gst_d3d11_window_swap_chain_panel_unprepare (GstD3D11Window * window)
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{
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GstD3D11WindowSwapChainPanel *self =
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GST_D3D11_WINDOW_SWAP_CHAIN_PANEL (window);
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SwapChainPanelWinRTStorage *storage = self->storage;
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if (storage) {
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if (storage->panel && storage->dispatcher) {
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ComPtr<Xaml::IFrameworkElement> framework;
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HRESULT hr;
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hr = storage->panel.As (&framework);
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if (SUCCEEDED (hr)) {
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run_async (storage->dispatcher,
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storage->cancellable, DEFAULT_ASYNC_TIMEOUT,
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[self, framework] {
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return framework->remove_SizeChanged (self->storage->event_token);
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});
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}
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CloseHandle (storage->cancellable);
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}
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delete storage;
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}
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self->storage = NULL;
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}
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/* *INDENT-ON* */
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static IDXGISwapChain1 *
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create_swap_chain_for_composition (GstD3D11WindowSwapChainPanel * self,
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GstD3D11Device * device, DXGI_SWAP_CHAIN_DESC1 * desc, IDXGIOutput * output)
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{
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HRESULT hr;
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IDXGISwapChain1 *swap_chain = NULL;
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ID3D11Device *device_handle = gst_d3d11_device_get_device_handle (device);
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IDXGIFactory1 *factory = gst_d3d11_device_get_dxgi_factory_handle (device);
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ComPtr < IDXGIFactory2 > factory2;
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hr = factory->QueryInterface (IID_PPV_ARGS (&factory2));
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if (!gst_d3d11_result (hr, device)) {
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GST_WARNING_OBJECT (self, "IDXGIFactory2 interface is unavailable");
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return NULL;
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}
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gst_d3d11_device_lock (device);
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hr = factory2->CreateSwapChainForComposition (device_handle,
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desc, output, &swap_chain);
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gst_d3d11_device_unlock (device);
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if (!gst_d3d11_result (hr, device)) {
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GST_WARNING_OBJECT (self, "Cannot create SwapChain Object: 0x%x",
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(guint) hr);
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swap_chain = NULL;
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}
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return swap_chain;
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}
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/* *INDENT-OFF* */
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static gboolean
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gst_d3d11_window_swap_chain_panel_create_swap_chain (GstD3D11Window * window,
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DXGI_FORMAT format, guint width, guint height, guint swapchain_flags,
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IDXGISwapChain ** swap_chain)
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{
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GstD3D11WindowSwapChainPanel *self =
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GST_D3D11_WINDOW_SWAP_CHAIN_PANEL (window);
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SwapChainPanelWinRTStorage *storage = self->storage;
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ComPtr<IDXGISwapChain1> new_swapchain;
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ComPtr<ISwapChainPanelNative> panel_native;
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GstD3D11Device *device = window->device;
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DXGI_SWAP_CHAIN_DESC1 desc1 = { 0, };
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HRESULT hr;
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desc1.Width = width;
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desc1.Height = height;
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desc1.Format = format;
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desc1.Stereo = FALSE;
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desc1.SampleDesc.Count = 1;
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desc1.SampleDesc.Quality = 0;
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desc1.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
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desc1.BufferCount = 2;
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desc1.Scaling = DXGI_SCALING_STRETCH;
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desc1.SwapEffect = DXGI_SWAP_EFFECT_FLIP_SEQUENTIAL;
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desc1.AlphaMode = DXGI_ALPHA_MODE_PREMULTIPLIED;
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desc1.Flags = swapchain_flags;
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new_swapchain =
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create_swap_chain_for_composition (self, device, &desc1, NULL);
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if (!new_swapchain) {
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GST_ERROR_OBJECT (self, "Cannot create swapchain");
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return FALSE;
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}
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hr = storage->panel.As (&panel_native);
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if (!gst_d3d11_result (hr, device))
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return FALSE;
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hr = run_async (storage->dispatcher,
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storage->cancellable, INFINITE,
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[panel_native, new_swapchain] {
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return panel_native->SetSwapChain(new_swapchain.Get());
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});
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if (!gst_d3d11_result (hr, device))
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return FALSE;
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new_swapchain.CopyTo (swap_chain);
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return TRUE;
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}
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/* *INDENT-ON* */
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static GstFlowReturn
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gst_d3d11_window_swap_chain_panel_present (GstD3D11Window * window,
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guint present_flags)
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{
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GstD3D11WindowSwapChainPanel *self =
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GST_D3D11_WINDOW_SWAP_CHAIN_PANEL (window);
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HRESULT hr;
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DXGI_PRESENT_PARAMETERS present_params = { 0, };
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IDXGISwapChain1 *swap_chain = (IDXGISwapChain1 *) window->swap_chain;
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/* the first present should not specify dirty-rect */
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if (!window->first_present) {
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present_params.DirtyRectsCount = 1;
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present_params.pDirtyRects = &window->render_rect;
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}
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hr = swap_chain->Present1 (0, present_flags, &present_params);
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if (!gst_d3d11_result (hr, window->device)) {
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GST_WARNING_OBJECT (self, "Direct3D cannot present texture, hr: 0x%x",
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(guint) hr);
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}
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return GST_FLOW_OK;
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}
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static gboolean
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gst_d3d11_window_swap_chain_panel_unlock (GstD3D11Window * window)
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{
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GstD3D11WindowSwapChainPanel *self =
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GST_D3D11_WINDOW_SWAP_CHAIN_PANEL (window);
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SwapChainPanelWinRTStorage *storage = self->storage;
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SetEvent (storage->cancellable);
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return TRUE;
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}
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static gboolean
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gst_d3d11_window_swap_chain_panel_unlock_stop (GstD3D11Window * window)
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{
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GstD3D11WindowSwapChainPanel *self =
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GST_D3D11_WINDOW_SWAP_CHAIN_PANEL (window);
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SwapChainPanelWinRTStorage *storage = self->storage;
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ResetEvent (storage->cancellable);
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return TRUE;
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}
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static void
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gst_d3d11_window_swap_chain_panel_update_swap_chain (GstD3D11Window * window)
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{
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|
gst_d3d11_window_swap_chain_panel_on_resize (window, window->surface_width,
|
|
window->surface_height);
|
|
|
|
return;
|
|
}
|
|
|
|
static void
|
|
gst_d3d11_window_swap_chain_panel_change_fullscreen_mode (GstD3D11Window *
|
|
window)
|
|
{
|
|
GST_FIXME_OBJECT (window, "Implement fullscreen mode change");
|
|
|
|
return;
|
|
}
|
|
|
|
static void
|
|
gst_d3d11_window_swap_chain_panel_on_resize (GstD3D11Window * window,
|
|
guint width, guint height)
|
|
{
|
|
GstD3D11WindowSwapChainPanel *self =
|
|
GST_D3D11_WINDOW_SWAP_CHAIN_PANEL (window);
|
|
SwapChainPanelWinRTStorage *storage = self->storage;
|
|
|
|
run_async (storage->dispatcher, storage->cancellable, INFINITE,[window] {
|
|
gst_d3d11_window_swap_chain_panel_on_resize_sync (window);
|
|
return S_OK;
|
|
}
|
|
);
|
|
}
|
|
|
|
static void
|
|
gst_d3d11_window_swap_chain_panel_on_resize_sync (GstD3D11Window * window)
|
|
{
|
|
GST_LOG_OBJECT (window,
|
|
"New size %dx%d", window->surface_width, window->surface_height);
|
|
|
|
GST_D3D11_WINDOW_CLASS (parent_class)->on_resize (window,
|
|
window->surface_width, window->surface_height);
|
|
}
|
|
|
|
GstD3D11Window *
|
|
gst_d3d11_window_swap_chain_panel_new (GstD3D11Device * device, guintptr handle)
|
|
{
|
|
GstD3D11Window *window;
|
|
|
|
g_return_val_if_fail (GST_IS_D3D11_DEVICE (device), NULL);
|
|
g_return_val_if_fail (handle, NULL);
|
|
|
|
window = (GstD3D11Window *)
|
|
g_object_new (GST_TYPE_D3D11_WINDOW_SWAP_CHAIN_PANEL,
|
|
"d3d11device", device, "window-handle", handle, NULL);
|
|
if (!window->initialized) {
|
|
gst_object_unref (window);
|
|
return NULL;
|
|
}
|
|
|
|
g_object_ref_sink (window);
|
|
|
|
return window;
|
|
}
|