hwcontext_dxva2.c File Reference

#include <windows.h>
#include <d3d9.h>
#include <dxva2api.h>
#include <initguid.h>
#include "avassert.h"
#include "common.h"
#include "hwcontext.h"
#include "hwcontext_dxva2.h"
#include "hwcontext_internal.h"
#include "imgutils.h"
#include "pixdesc.h"
#include "pixfmt.h"

Go to the source code of this file.

Data Structures
struct	DXVA2FramesContext
struct	DXVA2DevicePriv

Macros
#define	_WIN32_WINNT   0x0600
#define	DXVA2API_USE_BITFIELDS
#define	COBJMACROS

Typedefs
typedef IDirect3D9 *WINAPI	pDirect3DCreate9 (UINT)
typedef HRESULT WINAPI	pCreateDeviceManager9 (UINT *, IDirect3DDeviceManager9 **)

Functions
	DEFINE_GUID (video_decoder_service, 0xfc51a551, 0xd5e7, 0x11d9, 0xaf, 0x55, 0x00, 0x05, 0x4e, 0x43, 0xff, 0x02)
	DEFINE_GUID (video_processor_service, 0xfc51a552, 0xd5e7, 0x11d9, 0xaf, 0x55, 0x00, 0x05, 0x4e, 0x43, 0xff, 0x02)
static void	dxva2_frames_uninit (AVHWFramesContext *ctx)
static AVBufferRef *	dxva2_pool_alloc (void *opaque, int size)
static int	dxva2_init_pool (AVHWFramesContext *ctx)
static int	dxva2_frames_init (AVHWFramesContext *ctx)
static int	dxva2_get_buffer (AVHWFramesContext *ctx, AVFrame *frame)
static int	dxva2_transfer_get_formats (AVHWFramesContext *ctx, enum AVHWFrameTransferDirection dir, enum AVPixelFormat **formats)
static int	dxva2_transfer_data (AVHWFramesContext *ctx, AVFrame *dst, const AVFrame *src)
static void	dxva2_device_free (AVHWDeviceContext *ctx)
static int	dxva2_device_create (AVHWDeviceContext *ctx, const char *device, AVDictionary *opts, int flags)

Variables
struct {
D3DFORMAT   d3d_format
enum AVPixelFormat   pix_fmt
}	supported_formats []
const HWContextType	ff_hwcontext_type_dxva2

Macro Definition Documentation

#define _WIN32_WINNT   0x0600

Definition at line 23 of file hwcontext_dxva2.c.

#define DXVA2API_USE_BITFIELDS

Definition at line 25 of file hwcontext_dxva2.c.

#define COBJMACROS

Definition at line 26 of file hwcontext_dxva2.c.

Typedef Documentation

typedef IDirect3D9* WINAPI pDirect3DCreate9(UINT)

Definition at line 41 of file hwcontext_dxva2.c.

typedef HRESULT WINAPI pCreateDeviceManager9(UINT *, IDirect3DDeviceManager9 **)

Definition at line 42 of file hwcontext_dxva2.c.

Function Documentation

DEFINE_GUID	(	video_decoder_service	,
		0xfc51a551	,
		0xd5e7	,
		0x11d9	,
		0xaf	,
		0x55	,
		0x00	,
		0x05	,
		0x4e	,
		0x43	,
		0xff	,
		0x02
	)

DEFINE_GUID	(	video_processor_service	,
		0xfc51a552	,
		0xd5e7	,
		0x11d9	,
		0xaf	,
		0x55	,
		0x00	,
		0x05	,
		0x4e	,
		0x43	,
		0xff	,
		0x02
	)

static void dxva2_frames_uninit ( AVHWFramesContext *  ctx )

static

Definition at line 75 of file hwcontext_dxva2.c.

static AVBufferRef* dxva2_pool_alloc ( void *  opaque, int  size  )

static

Definition at line 104 of file hwcontext_dxva2.c.

Referenced by dxva2_init_pool().

static int dxva2_init_pool ( AVHWFramesContext *  ctx )

static

Definition at line 119 of file hwcontext_dxva2.c.

Referenced by dxva2_frames_init().

static int dxva2_frames_init ( AVHWFramesContext *  ctx )

static

Definition at line 186 of file hwcontext_dxva2.c.

static int dxva2_get_buffer ( AVHWFramesContext *  ctx, AVFrame *  frame  )

static

Definition at line 213 of file hwcontext_dxva2.c.

static int dxva2_transfer_get_formats ( AVHWFramesContext *  ctx, enum AVHWFrameTransferDirection  dir, enum AVPixelFormat **  formats  )

static

Definition at line 227 of file hwcontext_dxva2.c.

static int dxva2_transfer_data ( AVHWFramesContext *  ctx, AVFrame *  dst, const AVFrame *  src  )

static

Definition at line 245 of file hwcontext_dxva2.c.

static void dxva2_device_free ( AVHWDeviceContext *  ctx )

static

Definition at line 303 of file hwcontext_dxva2.c.

Referenced by dxva2_device_create().

static int dxva2_device_create ( AVHWDeviceContext *  ctx, const char *  device, AVDictionary *  opts, int  flags  )

static

Definition at line 329 of file hwcontext_dxva2.c.

Variable Documentation

D3DFORMAT d3d_format

Definition at line 65 of file hwcontext_dxva2.c.

Referenced by txd_decode_frame().

enum AVPixelFormat pix_fmt

Definition at line 66 of file hwcontext_dxva2.c.

const { ... } supported_formats[]

Initial value:

= {
    { MKTAG('N', 'V', '1', '2'), AV_PIX_FMT_NV12 },
    { MKTAG('P', '0', '1', '0'), AV_PIX_FMT_P010 },
}

Referenced by dxva2_init_pool().

const HWContextType ff_hwcontext_type_dxva2

Initial value:

= {
    .type                 = AV_HWDEVICE_TYPE_DXVA2,
    .name                 = "DXVA2",

    .device_hwctx_size    = sizeof(AVDXVA2DeviceContext),
    .frames_hwctx_size    = sizeof(AVDXVA2FramesContext),
    .frames_priv_size     = sizeof(DXVA2FramesContext),

    .device_create        = dxva2_device_create,
    .frames_init          = dxva2_frames_init,
    .frames_uninit        = dxva2_frames_uninit,
    .frames_get_buffer    = dxva2_get_buffer,
    .transfer_get_formats = dxva2_transfer_get_formats,
    .transfer_data_to     = dxva2_transfer_data,
    .transfer_data_from   = dxva2_transfer_data,

    .pix_fmts             = (const enum AVPixelFormat[]){ AV_PIX_FMT_DXVA2_VLD, AV_PIX_FMT_NONE },
}

Definition at line 422 of file hwcontext_dxva2.c.