mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-28 20:53:54 +02:00
142f727b9c
Signed-off-by: Wu Jianhua <toqsxw@outlook.com> Signed-off-by: Tong Wu <tong1.wu@intel.com>
135 lines
3.8 KiB
C
135 lines
3.8 KiB
C
/*
|
|
* Direct3D 12 HW acceleration.
|
|
*
|
|
* copyright (c) 2022-2023 Wu Jianhua <toqsxw@outlook.com>
|
|
*
|
|
* This file is part of FFmpeg.
|
|
*
|
|
* FFmpeg is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* FFmpeg 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
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with FFmpeg; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#ifndef AVUTIL_HWCONTEXT_D3D12VA_H
|
|
#define AVUTIL_HWCONTEXT_D3D12VA_H
|
|
|
|
/**
|
|
* @file
|
|
* An API-specific header for AV_HWDEVICE_TYPE_D3D12VA.
|
|
*
|
|
* AVHWFramesContext.pool must contain AVBufferRefs whose
|
|
* data pointer points to an AVD3D12VAFrame struct.
|
|
*/
|
|
#include <stdint.h>
|
|
#include <initguid.h>
|
|
#include <d3d12.h>
|
|
#include <d3d12sdklayers.h>
|
|
#include <d3d12video.h>
|
|
|
|
/**
|
|
* @brief This struct is allocated as AVHWDeviceContext.hwctx
|
|
*
|
|
*/
|
|
typedef struct AVD3D12VADeviceContext {
|
|
/**
|
|
* Device used for objects creation and access. This can also be
|
|
* used to set the libavcodec decoding device.
|
|
*
|
|
* Can be set by the user. This is the only mandatory field - the other
|
|
* device context fields are set from this and are available for convenience.
|
|
*
|
|
* Deallocating the AVHWDeviceContext will always release this interface,
|
|
* and it does not matter whether it was user-allocated.
|
|
*/
|
|
ID3D12Device *device;
|
|
|
|
/**
|
|
* If unset, this will be set from the device field on init.
|
|
*
|
|
* Deallocating the AVHWDeviceContext will always release this interface,
|
|
* and it does not matter whether it was user-allocated.
|
|
*/
|
|
ID3D12VideoDevice *video_device;
|
|
|
|
/**
|
|
* Callbacks for locking. They protect access to the internal staging
|
|
* texture (for av_hwframe_transfer_data() calls). They do NOT protect
|
|
* access to hwcontext or decoder state in general.
|
|
*
|
|
* If unset on init, the hwcontext implementation will set them to use an
|
|
* internal mutex.
|
|
*
|
|
* The underlying lock must be recursive. lock_ctx is for free use by the
|
|
* locking implementation.
|
|
*/
|
|
void (*lock)(void *lock_ctx);
|
|
void (*unlock)(void *lock_ctx);
|
|
void *lock_ctx;
|
|
} AVD3D12VADeviceContext;
|
|
|
|
/**
|
|
* @brief This struct is used to sync d3d12 execution
|
|
*
|
|
*/
|
|
typedef struct AVD3D12VASyncContext {
|
|
/**
|
|
* D3D12 fence object
|
|
*/
|
|
ID3D12Fence *fence;
|
|
|
|
/**
|
|
* A handle to the event object that's raised when the fence
|
|
* reaches a certain value.
|
|
*/
|
|
HANDLE event;
|
|
|
|
/**
|
|
* The fence value used for sync
|
|
*/
|
|
uint64_t fence_value;
|
|
} AVD3D12VASyncContext;
|
|
|
|
/**
|
|
* @brief D3D12VA frame descriptor for pool allocation.
|
|
*
|
|
*/
|
|
typedef struct AVD3D12VAFrame {
|
|
/**
|
|
* The texture in which the frame is located. The reference count is
|
|
* managed by the AVBufferRef, and destroying the reference will release
|
|
* the interface.
|
|
*/
|
|
ID3D12Resource *texture;
|
|
|
|
/**
|
|
* The sync context for the texture
|
|
*
|
|
* @see: https://learn.microsoft.com/en-us/windows/win32/medfound/direct3d-12-video-overview#directx-12-fences
|
|
*/
|
|
AVD3D12VASyncContext sync_ctx;
|
|
} AVD3D12VAFrame;
|
|
|
|
/**
|
|
* @brief This struct is allocated as AVHWFramesContext.hwctx
|
|
*
|
|
*/
|
|
typedef struct AVD3D12VAFramesContext {
|
|
/**
|
|
* DXGI_FORMAT format. MUST be compatible with the pixel format.
|
|
* If unset, will be automatically set.
|
|
*/
|
|
DXGI_FORMAT format;
|
|
} AVD3D12VAFramesContext;
|
|
|
|
#endif /* AVUTIL_HWCONTEXT_D3D12VA_H */
|