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

Go to the source code of this file.

Data Structures
struct	DXVA2Mapping
struct	DXVA2FramesContext
struct	DXVA2DevicePriv

Macros
#define	DXVA2API_USE_BITFIELDS
#define	COBJMACROS
#define	FF_D3DCREATE_FLAGS

Typedefs
typedef IDirect3D9 *WINAPI	pDirect3DCreate9(UINT)
typedef HRESULT WINAPI	pDirect3DCreate9Ex(UINT, IDirect3D9Ex **)
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 void	dxva2_pool_release_dummy (void *opaque, uint8_t *data)
static AVBufferRef *	dxva2_pool_alloc (void *opaque, size_t 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 void	dxva2_unmap_frame (AVHWFramesContext *ctx, HWMapDescriptor *hwmap)
static int	dxva2_map_frame (AVHWFramesContext *ctx, AVFrame *dst, const AVFrame *src, int flags)
static int	dxva2_transfer_data_to (AVHWFramesContext *ctx, AVFrame *dst, const AVFrame *src)
static int	dxva2_transfer_data_from (AVHWFramesContext *ctx, AVFrame *dst, const AVFrame *src)
static int	dxva2_map_from (AVHWFramesContext *ctx, AVFrame *dst, const AVFrame *src, int flags)
static void	dxva2_device_free (AVHWDeviceContext *ctx)
static int	dxva2_device_create9 (AVHWDeviceContext *ctx, UINT adapter)
static int	dxva2_device_create9ex (AVHWDeviceContext *ctx, UINT adapter)
static int	dxva2_device_create (AVHWDeviceContext *ctx, const char *device, AVDictionary *opts, int flags)

Variables
static const D3DPRESENT_PARAMETERS	dxva2_present_params
struct {
D3DFORMAT   d3d_format
enum AVPixelFormat   pix_fmt
}	supported_formats []
const HWContextType	ff_hwcontext_type_dxva2

Macro Definition Documentation

DXVA2API_USE_BITFIELDS

#define DXVA2API_USE_BITFIELDS

Definition at line 21 of file hwcontext_dxva2.c.

COBJMACROS

#define COBJMACROS

Definition at line 22 of file hwcontext_dxva2.c.

FF_D3DCREATE_FLAGS

#define FF_D3DCREATE_FLAGS

Value:

                            (D3DCREATE_SOFTWARE_VERTEXPROCESSING | \
                            D3DCREATE_MULTITHREADED | \
                            D3DCREATE_FPU_PRESERVE)

Definition at line 43 of file hwcontext_dxva2.c.

Referenced by dxva2_device_create9(), and dxva2_device_create9ex().

Typedef Documentation

pDirect3DCreate9

typedef IDirect3D9 *WINAPI pDirect3DCreate9(UINT)

Definition at line 39 of file hwcontext_dxva2.c.

pDirect3DCreate9Ex

typedef HRESULT WINAPI pDirect3DCreate9Ex(UINT, IDirect3D9Ex **)

Definition at line 40 of file hwcontext_dxva2.c.

pCreateDeviceManager9

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

Definition at line 41 of file hwcontext_dxva2.c.

Function Documentation

DEFINE_GUID() [1/2]

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

DEFINE_GUID() [2/2]

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

dxva2_frames_uninit()

static void dxva2_frames_uninit ( AVHWFramesContext * ctx )

static

Definition at line 109 of file hwcontext_dxva2.c.

dxva2_pool_release_dummy()

static void dxva2_pool_release_dummy ( void * opaque, uint8_t * data )

static

Definition at line 138 of file hwcontext_dxva2.c.

Referenced by dxva2_pool_alloc().

dxva2_pool_alloc()

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

static

Definition at line 145 of file hwcontext_dxva2.c.

Referenced by dxva2_init_pool().

dxva2_init_pool()

static int dxva2_init_pool ( AVHWFramesContext * ctx )

static

Definition at line 160 of file hwcontext_dxva2.c.

Referenced by dxva2_frames_init().

dxva2_frames_init()

static int dxva2_frames_init ( AVHWFramesContext * ctx )

static

Definition at line 228 of file hwcontext_dxva2.c.

dxva2_get_buffer()

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

static

Definition at line 255 of file hwcontext_dxva2.c.

dxva2_transfer_get_formats()

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

static

Definition at line 269 of file hwcontext_dxva2.c.

dxva2_unmap_frame()

static void dxva2_unmap_frame ( AVHWFramesContext * ctx, HWMapDescriptor * hwmap )

static

Definition at line 287 of file hwcontext_dxva2.c.

Referenced by dxva2_map_frame().

dxva2_map_frame()

static int dxva2_map_frame ( AVHWFramesContext * ctx, AVFrame * dst, const AVFrame * src, int flags )

static

Definition at line 294 of file hwcontext_dxva2.c.

Referenced by dxva2_map_from(), dxva2_transfer_data_from(), and dxva2_transfer_data_to().

dxva2_transfer_data_to()

static int dxva2_transfer_data_to ( AVHWFramesContext * ctx, AVFrame * dst, const AVFrame * src )

static

Definition at line 352 of file hwcontext_dxva2.c.

dxva2_transfer_data_from()

static int dxva2_transfer_data_from ( AVHWFramesContext * ctx, AVFrame * dst, const AVFrame * src )

static

Definition at line 378 of file hwcontext_dxva2.c.

dxva2_map_from()

static int dxva2_map_from ( AVHWFramesContext * ctx, AVFrame * dst, const AVFrame * src, int flags )

static

Definition at line 408 of file hwcontext_dxva2.c.

dxva2_device_free()

static void dxva2_device_free ( AVHWDeviceContext * ctx )

static

Definition at line 428 of file hwcontext_dxva2.c.

Referenced by dxva2_device_create().

dxva2_device_create9()

static int dxva2_device_create9 ( AVHWDeviceContext * ctx, UINT adapter )

static

Definition at line 454 of file hwcontext_dxva2.c.

Referenced by dxva2_device_create().

dxva2_device_create9ex()

static int dxva2_device_create9ex ( AVHWDeviceContext * ctx, UINT adapter )

static

Definition at line 487 of file hwcontext_dxva2.c.

Referenced by dxva2_device_create().

dxva2_device_create()

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

static

Definition at line 526 of file hwcontext_dxva2.c.

Variable Documentation

dxva2_present_params

const D3DPRESENT_PARAMETERS dxva2_present_params

static

Initial value:

= {
    .Windowed         = TRUE,
    .BackBufferWidth  = 640,
    .BackBufferHeight = 480,
    .BackBufferCount  = 0,
    .SwapEffect       = D3DSWAPEFFECT_DISCARD,
    .Flags            = D3DPRESENTFLAG_VIDEO,
}

Definition at line 47 of file hwcontext_dxva2.c.

Referenced by dxva2_device_create9(), and dxva2_device_create9ex().

d3d_format

D3DFORMAT d3d_format

Definition at line 86 of file hwcontext_dxva2.c.

pix_fmt

enum AVPixelFormat pix_fmt

Definition at line 87 of file hwcontext_dxva2.c.

[struct]

const struct { ... } supported_formats[]

Initial value:

= {
    { MKTAG('N', 'V', '1', '2'), AV_PIX_FMT_NV12 },
    { MKTAG('P', '0', '1', '0'), AV_PIX_FMT_P010 },
    { MKTAG('A', 'Y', 'U', 'V'), AV_PIX_FMT_VUYX },
    { MKTAG('Y', 'U', 'Y', '2'), AV_PIX_FMT_YUYV422 },
    { MKTAG('Y', '2', '1', '0'), AV_PIX_FMT_Y210 },
    { MKTAG('Y', '4', '1', '0'), AV_PIX_FMT_XV30 },
    { MKTAG('P', '0', '1', '6'), AV_PIX_FMT_P012 },
    { MKTAG('Y', '2', '1', '6'), AV_PIX_FMT_Y216 },
    { MKTAG('Y', '4', '1', '6'), AV_PIX_FMT_XV48 },
    
    
    { MKTAG('Y', '2', '1', '6'), AV_PIX_FMT_Y212 },
    { MKTAG('Y', '4', '1', '6'), AV_PIX_FMT_XV36 },
    { D3DFMT_P8,                 AV_PIX_FMT_PAL8 },
    { D3DFMT_A8R8G8B8,           AV_PIX_FMT_BGRA },
}

ff_hwcontext_type_dxva2

const HWContextType ff_hwcontext_type_dxva2

Initial value:

= {
    .type                 = AV_HWDEVICE_TYPE_DXVA2,
    .name                 = "DXVA2",
 
    .device_hwctx_size    = sizeof(AVDXVA2DeviceContext),
    .frames_hwctx_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_to,
    .transfer_data_from   = dxva2_transfer_data_from,
    .map_from             = dxva2_map_from,
 
    .pix_fmts             = (const enum AVPixelFormat[]){ AV_PIX_FMT_DXVA2_VLD, AV_PIX_FMT_NONE },
}

Definition at line 595 of file hwcontext_dxva2.c.