hwcontext_d3d11va.c File Reference

#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"

Go to the source code of this file.

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 (ID3D11Texture2D *tex, int index)
static AVBufferRef *	d3d11va_alloc_single (AVHWFramesContext *ctx)
static AVBufferRef *	d3d11va_pool_alloc (void *opaque, int 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)
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 43 of file hwcontext_d3d11va.c.

Function Documentation

load_functions()

static av_cold void load_functions ( void  )

static

Definition at line 50 of file hwcontext_d3d11va.c.

Referenced by d3d11va_device_create().

d3d11va_default_lock()

static void d3d11va_default_lock ( void *  ctx )

static

Definition at line 92 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 97 of file hwcontext_d3d11va.c.

Referenced by d3d11va_device_init().

d3d11va_frames_uninit()

static void d3d11va_frames_uninit ( AVHWFramesContext *  ctx )

static

Definition at line 102 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 116 of file hwcontext_d3d11va.c.

free_texture()

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

static

Definition at line 148 of file hwcontext_d3d11va.c.

Referenced by wrap_texture_buf().

wrap_texture_buf()

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

static

Definition at line 154 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 176 of file hwcontext_d3d11va.c.

Referenced by d3d11va_pool_alloc().

d3d11va_pool_alloc()

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

static

Definition at line 204 of file hwcontext_d3d11va.c.

Referenced by d3d11va_frames_init().

d3d11va_frames_init()

static int d3d11va_frames_init ( AVHWFramesContext *  ctx )

static

Definition at line 225 of file hwcontext_d3d11va.c.

d3d11va_get_buffer()

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

static

Definition at line 285 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 304 of file hwcontext_d3d11va.c.

d3d11va_create_staging_texture()

static int d3d11va_create_staging_texture ( AVHWFramesContext *  ctx )

static

Definition at line 327 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 352 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 366 of file hwcontext_d3d11va.c.

d3d11va_device_init()

static int d3d11va_device_init ( AVHWDeviceContext *  hwdev )

static

Definition at line 444 of file hwcontext_d3d11va.c.

d3d11va_device_uninit()

static void d3d11va_device_uninit ( AVHWDeviceContext *  hwdev )

static

Definition at line 482 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 513 of file hwcontext_d3d11va.c.

Variable Documentation

functions_loaded

AVOnce functions_loaded = AV_ONCE_INIT

static

Definition at line 45 of file hwcontext_d3d11va.c.

Referenced by d3d11va_device_create().

mCreateDXGIFactory

PFN_CREATE_DXGI_FACTORY mCreateDXGIFactory

static

Definition at line 47 of file hwcontext_d3d11va.c.

Referenced by d3d11va_device_create(), and load_functions().

mD3D11CreateDevice

PFN_D3D11_CREATE_DEVICE mD3D11CreateDevice

static

Definition at line 48 of file hwcontext_d3d11va.c.

Referenced by d3d11va_device_create(), and load_functions().

d3d_format

DXGI_FORMAT d3d_format

Definition at line 82 of file hwcontext_d3d11va.c.

Referenced by txd_decode_frame().

pix_fmt

enum AVPixelFormat pix_fmt

Definition at line 83 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_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 595 of file hwcontext_d3d11va.c.