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0788492461
In some cases, rendering and dxgi (e.g., swapchain) APIs should be called from window message pump thread, but current design (dedicated d3d11 thread) make it impossible. To solve it, change concurrency model to locking based one from single-thread model.
117 lines
4.4 KiB
C
117 lines
4.4 KiB
C
/* 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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#ifndef __GST_D3D11_DEVICE_H__
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#define __GST_D3D11_DEVICE_H__
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#include <gst/gst.h>
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#include <gst/video/video.h>
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#include "gstd3d11_fwd.h"
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G_BEGIN_DECLS
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#define GST_TYPE_D3D11_DEVICE (gst_d3d11_device_get_type())
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#define GST_D3D11_DEVICE(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_D3D11_DEVICE,GstD3D11Device))
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#define GST_D3D11_DEVICE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_D3D11_DEVICE,GstD3D11DeviceClass))
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#define GST_D3D11_DEVICE_GET_CLASS(obj) (GST_D3D11_DEVICE_CLASS(G_OBJECT_GET_CLASS(obj)))
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#define GST_IS_D3D11_DEVICE(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_D3D11_DEVICE))
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#define GST_IS_D3D11_DEVICE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_D3D11_DEVICE))
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#define GST_D3D11_DEVICE_CAST(obj) ((GstD3D11Device*)(obj))
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#define GST_D3D11_DEVICE_HANDLE_CONTEXT_TYPE "gst.d3d11.device.handle"
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/**
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* GstD3D11DeviceThreadFunc:
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* @device: a #GstD3D11Device
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* @data: user data
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*
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* Represents a function to run in the D3D11 device thread with @device and @data
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*/
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typedef void (*GstD3D11DeviceThreadFunc) (GstD3D11Device * device, gpointer data);
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typedef enum
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{
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GST_D3D11_DXGI_FACTORY_UNKNOWN = 0,
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GST_D3D11_DXGI_FACTORY_1,
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GST_D3D11_DXGI_FACTORY_2,
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GST_D3D11_DXGI_FACTORY_3,
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GST_D3D11_DXGI_FACTORY_4,
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GST_D3D11_DXGI_FACTORY_5,
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} GstD3D11DXGIFactoryVersion;
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struct _GstD3D11Device
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{
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GstObject parent;
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GstD3D11DevicePrivate *priv;
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/*< private >*/
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gpointer _gst_reserved[GST_PADDING];
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};
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struct _GstD3D11DeviceClass
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{
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GstObjectClass parent_class;
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/*< private >*/
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gpointer _gst_reserved[GST_PADDING];
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};
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GType gst_d3d11_device_get_type (void);
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GstD3D11Device * gst_d3d11_device_new (guint adapter);
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ID3D11Device * gst_d3d11_device_get_device_handle (GstD3D11Device * device);
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ID3D11DeviceContext * gst_d3d11_device_get_device_context_handle (GstD3D11Device * device);
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GstD3D11DXGIFactoryVersion gst_d3d11_device_get_chosen_dxgi_factory_version (GstD3D11Device * device);
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D3D_FEATURE_LEVEL gst_d3d11_device_get_chosen_feature_level (GstD3D11Device * device);
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IDXGISwapChain * gst_d3d11_device_create_swap_chain (GstD3D11Device * device,
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const DXGI_SWAP_CHAIN_DESC * desc);
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#if (DXGI_HEADER_VERSION >= 2)
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IDXGISwapChain1 * gst_d3d11_device_create_swap_chain_for_hwnd (GstD3D11Device * device,
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HWND hwnd,
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const DXGI_SWAP_CHAIN_DESC1 * desc,
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const DXGI_SWAP_CHAIN_FULLSCREEN_DESC * fullscreen_desc,
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IDXGIOutput * output);
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#endif
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void gst_d3d11_device_release_swap_chain (GstD3D11Device * device,
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IDXGISwapChain * swap_chain);
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ID3D11Texture2D * gst_d3d11_device_create_texture (GstD3D11Device * device,
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const D3D11_TEXTURE2D_DESC * desc,
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const D3D11_SUBRESOURCE_DATA *inital_data);
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void gst_d3d11_device_release_texture (GstD3D11Device * device,
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ID3D11Texture2D * texture);
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void gst_d3d11_device_lock (GstD3D11Device * device);
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void gst_d3d11_device_unlock (GstD3D11Device * device);
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G_END_DECLS
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#endif /* __GST_D3D11_DEVICE_H__ */
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