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 "mem.h"
#include "pixdesc.h"
#include "pixfmt.h"
#include "thread.h"
#include "compat/w32dlfcn.h"

Go to the source code of this file.

Data Structures
struct	D3D11VAFramesContext

Macros
#define	COBJMACROS
#define	MAX_ARRAY_SIZE   64

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_find_adapter_by_vendor_id (AVHWDeviceContext *ctx, uint32_t flags, const char *vendor_id)
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.

MAX_ARRAY_SIZE

#define MAX_ARRAY_SIZE   64

Definition at line 45 of file hwcontext_d3d11va.c.

Referenced by d3d11va_frames_init().

Typedef Documentation

PFN_CREATE_DXGI_FACTORY

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

Definition at line 47 of file hwcontext_d3d11va.c.

Function Documentation

load_functions()

static av_cold void load_functions ( void )

static

Definition at line 54 of file hwcontext_d3d11va.c.

Referenced by gfxcapture_init().

d3d11va_default_lock()

static void d3d11va_default_lock ( void * ctx )

static

Definition at line 119 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 124 of file hwcontext_d3d11va.c.

Referenced by d3d11va_device_init().

d3d11va_frames_uninit()

static void d3d11va_frames_uninit ( AVHWFramesContext * ctx )

static

Definition at line 129 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 145 of file hwcontext_d3d11va.c.

free_texture()

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

static

Definition at line 177 of file hwcontext_d3d11va.c.

Referenced by d3d12va_pool_alloc(), d3d12va_pool_alloc_texture_array(), and wrap_texture_buf().

wrap_texture_buf()

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

static

Definition at line 183 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 223 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 251 of file hwcontext_d3d11va.c.

Referenced by d3d11va_frames_init().

d3d11va_frames_init()

static int d3d11va_frames_init ( AVHWFramesContext * ctx )

static

Definition at line 272 of file hwcontext_d3d11va.c.

d3d11va_get_buffer()

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

static

Definition at line 347 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 366 of file hwcontext_d3d11va.c.

d3d11va_create_staging_texture()

static int d3d11va_create_staging_texture ( AVHWFramesContext * ctx, DXGI_FORMAT format )

static

Definition at line 389 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 414 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 428 of file hwcontext_d3d11va.c.

d3d11va_device_init()

static int d3d11va_device_init ( AVHWDeviceContext * hwdev )

static

Definition at line 508 of file hwcontext_d3d11va.c.

d3d11va_device_uninit()

static void d3d11va_device_uninit ( AVHWDeviceContext * hwdev )

static

Definition at line 546 of file hwcontext_d3d11va.c.

d3d11va_device_find_adapter_by_vendor_id()

static int d3d11va_device_find_adapter_by_vendor_id ( AVHWDeviceContext * ctx, uint32_t flags, const char * vendor_id )

static

Definition at line 577 of file hwcontext_d3d11va.c.

Referenced by d3d11va_device_create().

d3d11va_device_create()

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

static

Definition at line 618 of file hwcontext_d3d11va.c.

Variable Documentation

functions_loaded

AVOnce functions_loaded = AV_ONCE_INIT

static

Definition at line 49 of file hwcontext_d3d11va.c.

Referenced by d3d11va_device_create().

mCreateDXGIFactory

PFN_CREATE_DXGI_FACTORY mCreateDXGIFactory

static

Definition at line 51 of file hwcontext_d3d11va.c.

Referenced by d3d11va_device_create(), d3d11va_device_find_adapter_by_vendor_id(), and load_functions().

mD3D11CreateDevice

PFN_D3D11_CREATE_DEVICE mD3D11CreateDevice

static

Definition at line 52 of file hwcontext_d3d11va.c.

Referenced by d3d11va_device_create(), d3d11va_device_find_adapter_by_vendor_id(), and load_functions().

d3d_format

DXGI_FORMAT d3d_format

Definition at line 94 of file hwcontext_d3d11va.c.

Referenced by txd_decode_frame().

pix_fmt

enum AVPixelFormat pix_fmt

Definition at line 95 of file hwcontext_d3d11va.c.

[struct]

const struct { ... } 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_AYUV,         AV_PIX_FMT_VUYX },
    { DXGI_FORMAT_YUY2,         AV_PIX_FMT_YUYV422 },
    { DXGI_FORMAT_Y210,         AV_PIX_FMT_Y210 },
    { DXGI_FORMAT_Y410,         AV_PIX_FMT_XV30 },
    { DXGI_FORMAT_P016,         AV_PIX_FMT_P016 },
    { DXGI_FORMAT_Y216,         AV_PIX_FMT_Y216 },
    { DXGI_FORMAT_Y416,         AV_PIX_FMT_XV48 },
    
    
    { DXGI_FORMAT_P016,         AV_PIX_FMT_P012 },
    { DXGI_FORMAT_Y216,         AV_PIX_FMT_Y212 },
    { DXGI_FORMAT_Y416,         AV_PIX_FMT_XV36 },
    
    
    { DXGI_FORMAT_420_OPAQUE,   AV_PIX_FMT_YUV420P },
}

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(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 732 of file hwcontext_d3d11va.c.