#include "config.h"
#include <windows.h>
#include <initguid.h>
#include <d3d11.h>
#include <dxgi1_2.h>
#include "avassert.h"
#include "common.h"
#include "hwcontext.h"
#include "hwcontext_d3d11va.h"
#include "hwcontext_internal.h"
#include "imgutils.h"
#include "pixdesc.h"
#include "pixfmt.h"
#include "thread.h"
#include "compat/w32dlfcn.h"

Data Structures
struct	D3D11VAFramesContext

Macros
#define	COBJMACROS

Typedefs
typedef HRESULT(WINAPI *	PFN_CREATE_DXGI_FACTORY) (REFIID riid, void **ppFactory)

Functions
static av_cold void	load_functions (void)

static void	d3d11va_default_lock (void *ctx)

static void	d3d11va_default_unlock (void *ctx)

static void	d3d11va_frames_uninit (AVHWFramesContext *ctx)

static int	d3d11va_frames_get_constraints (AVHWDeviceContext ctx, const void hwconfig, AVHWFramesConstraints *constraints)

static void	free_texture (void opaque, uint8_t data)

static AVBufferRef *	wrap_texture_buf (AVHWFramesContext ctx, ID3D11Texture2D tex, int index)

static AVBufferRef *	d3d11va_alloc_single (AVHWFramesContext *ctx)

static AVBufferRef *	d3d11va_pool_alloc (void *opaque, size_t size)

static int	d3d11va_frames_init (AVHWFramesContext *ctx)

static int	d3d11va_get_buffer (AVHWFramesContext ctx, AVFrame frame)

static int	d3d11va_transfer_get_formats (AVHWFramesContext ctx, enum AVHWFrameTransferDirection dir, enum AVPixelFormat *formats)

static int	d3d11va_create_staging_texture (AVHWFramesContext *ctx, DXGI_FORMAT format)

static void	fill_texture_ptrs (uint8_t data[4], int linesize[4], AVHWFramesContext ctx, D3D11_TEXTURE2D_DESC desc, D3D11_MAPPED_SUBRESOURCE map)

static int	d3d11va_transfer_data (AVHWFramesContext ctx, AVFrame dst, const AVFrame *src)

static int	d3d11va_device_init (AVHWDeviceContext *hwdev)

static void	d3d11va_device_uninit (AVHWDeviceContext *hwdev)

static int	d3d11va_device_create (AVHWDeviceContext ctx, const char device, AVDictionary *opts, int flags)

Variables
static AVOnce	functions_loaded = AV_ONCE_INIT

static PFN_CREATE_DXGI_FACTORY	mCreateDXGIFactory

static PFN_D3D11_CREATE_DEVICE	mD3D11CreateDevice

struct {
DXGI_FORMAT d3d_format

enum AVPixelFormat pix_fmt

}	supported_formats []

const HWContextType	ff_hwcontext_type_d3d11va

Macro Definition Documentation

◆ COBJMACROS

#define COBJMACROS

Definition at line 23 of file hwcontext_d3d11va.c.

Typedef Documentation

◆ PFN_CREATE_DXGI_FACTORY

typedef HRESULT(WINAPI * PFN_CREATE_DXGI_FACTORY) (REFIID riid, void **ppFactory)

Definition at line 44 of file hwcontext_d3d11va.c.

Function Documentation

◆ load_functions()

static av_cold void load_functions ( void )

static

Definition at line 51 of file hwcontext_d3d11va.c.

Referenced by d3d11va_device_create().

◆ d3d11va_default_lock()

static void d3d11va_default_lock ( void * ctx )

static

Definition at line 97 of file hwcontext_d3d11va.c.

Referenced by d3d11va_device_init(), and d3d11va_device_uninit().

◆ d3d11va_default_unlock()

static void d3d11va_default_unlock ( void * ctx )

static

Definition at line 102 of file hwcontext_d3d11va.c.

Referenced by d3d11va_device_init().

◆ d3d11va_frames_uninit()

static void d3d11va_frames_uninit ( AVHWFramesContext * ctx )

static

Definition at line 107 of file hwcontext_d3d11va.c.

◆ d3d11va_frames_get_constraints()

static int d3d11va_frames_get_constraints	(	AVHWDeviceContext *	ctx,
		const void *	hwconfig,
		AVHWFramesConstraints *	constraints
	)

static

Definition at line 123 of file hwcontext_d3d11va.c.

◆ free_texture()

static void free_texture	(	void *	opaque,
		uint8_t *	data
	)

static

Definition at line 155 of file hwcontext_d3d11va.c.

Referenced by wrap_texture_buf().

◆ wrap_texture_buf()

static AVBufferRef* wrap_texture_buf	(	AVHWFramesContext *	ctx,
		ID3D11Texture2D *	tex,
		int	index
	)

static

Definition at line 161 of file hwcontext_d3d11va.c.

Referenced by d3d11va_alloc_single(), and d3d11va_pool_alloc().

◆ d3d11va_alloc_single()

static AVBufferRef* d3d11va_alloc_single ( AVHWFramesContext * ctx )

static

Definition at line 200 of file hwcontext_d3d11va.c.

Referenced by d3d11va_pool_alloc().

◆ d3d11va_pool_alloc()

static AVBufferRef* d3d11va_pool_alloc	(	void *	opaque,
		size_t	size
	)

static

Definition at line 228 of file hwcontext_d3d11va.c.

Referenced by d3d11va_frames_init().

◆ d3d11va_frames_init()

static int d3d11va_frames_init ( AVHWFramesContext * ctx )

static

Definition at line 249 of file hwcontext_d3d11va.c.

◆ d3d11va_get_buffer()

static int d3d11va_get_buffer	(	AVHWFramesContext *	ctx,
		AVFrame *	frame
	)

static

Definition at line 318 of file hwcontext_d3d11va.c.

◆ d3d11va_transfer_get_formats()

static int d3d11va_transfer_get_formats	(	AVHWFramesContext *	ctx,
		enum AVHWFrameTransferDirection	dir,
		enum AVPixelFormat **	formats
	)

static

Definition at line 337 of file hwcontext_d3d11va.c.

◆ d3d11va_create_staging_texture()

static int d3d11va_create_staging_texture	(	AVHWFramesContext *	ctx,
		DXGI_FORMAT	format
	)

static

Definition at line 360 of file hwcontext_d3d11va.c.

Referenced by d3d11va_transfer_data().

◆ fill_texture_ptrs()

static void fill_texture_ptrs	(	uint8_t *	data[4],
		int	linesize[4],
		AVHWFramesContext *	ctx,
		D3D11_TEXTURE2D_DESC *	desc,
		D3D11_MAPPED_SUBRESOURCE *	map
	)

static

Definition at line 385 of file hwcontext_d3d11va.c.

Referenced by d3d11va_transfer_data().

◆ d3d11va_transfer_data()

static int d3d11va_transfer_data	(	AVHWFramesContext *	ctx,
		AVFrame *	dst,
		const AVFrame *	src
	)

static

Definition at line 399 of file hwcontext_d3d11va.c.

◆ d3d11va_device_init()

static int d3d11va_device_init ( AVHWDeviceContext * hwdev )

static

Definition at line 479 of file hwcontext_d3d11va.c.

◆ d3d11va_device_uninit()

static void d3d11va_device_uninit ( AVHWDeviceContext * hwdev )

static

Definition at line 517 of file hwcontext_d3d11va.c.

◆ d3d11va_device_create()

static int d3d11va_device_create	(	AVHWDeviceContext *	ctx,
		const char *	device,
		AVDictionary *	opts,
		int	flags
	)

static

Definition at line 548 of file hwcontext_d3d11va.c.

Variable Documentation

◆ functions_loaded

AVOnce functions_loaded = AV_ONCE_INIT

static

Definition at line 46 of file hwcontext_d3d11va.c.

Referenced by d3d11va_device_create().

◆ mCreateDXGIFactory

PFN_CREATE_DXGI_FACTORY mCreateDXGIFactory

static

Definition at line 48 of file hwcontext_d3d11va.c.

Referenced by d3d11va_device_create(), and load_functions().

◆ mD3D11CreateDevice

PFN_D3D11_CREATE_DEVICE mD3D11CreateDevice

static

Definition at line 49 of file hwcontext_d3d11va.c.

Referenced by d3d11va_device_create(), and load_functions().

◆ d3d_format

DXGI_FORMAT d3d_format

Definition at line 84 of file hwcontext_d3d11va.c.

Referenced by txd_decode_frame().

◆ pix_fmt

enum AVPixelFormat pix_fmt

Definition at line 85 of file hwcontext_d3d11va.c.

◆ supported_formats

const { ... } supported_formats[]

Initial value:

= {
    { DXGI_FORMAT_NV12,         AV_PIX_FMT_NV12 },
    { DXGI_FORMAT_P010,         AV_PIX_FMT_P010 },
    { DXGI_FORMAT_B8G8R8A8_UNORM,    AV_PIX_FMT_BGRA },
    { DXGI_FORMAT_R10G10B10A2_UNORM, AV_PIX_FMT_X2BGR10 },
    { DXGI_FORMAT_R16G16B16A16_FLOAT, AV_PIX_FMT_RGBAF16 },
    
    
    { DXGI_FORMAT_420_OPAQUE,   AV_PIX_FMT_YUV420P },
}

Referenced by d3d11va_frames_get_constraints(), and d3d11va_frames_init().

◆ ff_hwcontext_type_d3d11va

const HWContextType ff_hwcontext_type_d3d11va

Initial value:

= {
    .type                 = AV_HWDEVICE_TYPE_D3D11VA,
    .name                 = "D3D11VA",
 
    .device_hwctx_size    = sizeof(AVD3D11VADeviceContext),
    .frames_hwctx_size    = sizeof(AVD3D11VAFramesContext),
    .frames_priv_size     = sizeof(D3D11VAFramesContext),
 
    .device_create        = d3d11va_device_create,
    .device_init          = d3d11va_device_init,
    .device_uninit        = d3d11va_device_uninit,
    .frames_get_constraints = d3d11va_frames_get_constraints,
    .frames_init          = d3d11va_frames_init,
    .frames_uninit        = d3d11va_frames_uninit,
    .frames_get_buffer    = d3d11va_get_buffer,
    .transfer_get_formats = d3d11va_transfer_get_formats,
    .transfer_data_to     = d3d11va_transfer_data,
    .transfer_data_from   = d3d11va_transfer_data,
 
    .pix_fmts             = (const enum AVPixelFormat[]){ AV_PIX_FMT_D3D11, AV_PIX_FMT_NONE },
}

Definition at line 630 of file hwcontext_d3d11va.c.

Data Structures

Macros

Typedefs

Functions

Variables

Macro Definition Documentation

◆ COBJMACROS

Typedef Documentation

◆ PFN_CREATE_DXGI_FACTORY

Function Documentation

◆ load_functions()

◆ d3d11va_default_lock()

◆ d3d11va_default_unlock()

◆ d3d11va_frames_uninit()

◆ d3d11va_frames_get_constraints()

◆ free_texture()

◆ wrap_texture_buf()

◆ d3d11va_alloc_single()

◆ d3d11va_pool_alloc()

◆ d3d11va_frames_init()

◆ d3d11va_get_buffer()

◆ d3d11va_transfer_get_formats()

◆ d3d11va_create_staging_texture()

◆ fill_texture_ptrs()

◆ d3d11va_transfer_data()

◆ d3d11va_device_init()

◆ d3d11va_device_uninit()

◆ d3d11va_device_create()

Variable Documentation

◆ functions_loaded

◆ mCreateDXGIFactory

◆ mD3D11CreateDevice

◆ d3d_format

◆ pix_fmt

◆ supported_formats

◆ ff_hwcontext_type_d3d11va