hwcontext_vaapi.c File Reference

#include "config.h"
#include <fcntl.h>
#include "avassert.h"
#include "buffer.h"
#include "common.h"
#include "hwcontext.h"
#include "hwcontext_internal.h"
#include "hwcontext_vaapi.h"
#include "mem.h"
#include "pixdesc.h"
#include "pixfmt.h"

Go to the source code of this file.

Data Structures
struct	VAAPIDevicePriv
struct	VAAPISurfaceFormat
struct	VAAPIDeviceContext
struct	VAAPIFramesContext
struct	VAAPISurfaceMap

Macros
#define	MAP(va, rt, av)

Enumerations
enum	{ VAAPI_MAP_READ = 0x01, VAAPI_MAP_WRITE = 0x02, VAAPI_MAP_DIRECT = 0x04 }

Functions
static enum AVPixelFormat	vaapi_pix_fmt_from_fourcc (unsigned int fourcc)
static int	vaapi_get_image_format (AVHWDeviceContext *hwdev, enum AVPixelFormat pix_fmt, VAImageFormat **image_format)
static int	vaapi_frames_get_constraints (AVHWDeviceContext *hwdev, const void *hwconfig, AVHWFramesConstraints *constraints)
static int	vaapi_device_init (AVHWDeviceContext *hwdev)
static void	vaapi_device_uninit (AVHWDeviceContext *hwdev)
static void	vaapi_buffer_free (void *opaque, uint8_t *data)
static AVBufferRef *	vaapi_pool_alloc (void *opaque, int size)
static int	vaapi_frames_init (AVHWFramesContext *hwfc)
static void	vaapi_frames_uninit (AVHWFramesContext *hwfc)
static int	vaapi_get_buffer (AVHWFramesContext *hwfc, AVFrame *frame)
static int	vaapi_transfer_get_formats (AVHWFramesContext *hwfc, enum AVHWFrameTransferDirection dir, enum AVPixelFormat **formats)
static void	vaapi_unmap_frame (void *opaque, uint8_t *data)
static int	vaapi_map_frame (AVHWFramesContext *hwfc, AVFrame *dst, const AVFrame *src, int flags)
static int	vaapi_transfer_data_from (AVHWFramesContext *hwfc, AVFrame *dst, const AVFrame *src)
static int	vaapi_transfer_data_to (AVHWFramesContext *hwfc, AVFrame *dst, const AVFrame *src)
static void	vaapi_device_free (AVHWDeviceContext *ctx)
static int	vaapi_device_create (AVHWDeviceContext *ctx, const char *device, AVDictionary *opts, int flags)

Variables
struct {
unsigned int   fourcc
unsigned int   rt_format
enum AVPixelFormat   pix_fmt
}	vaapi_format_map []
const HWContextType	ff_hwcontext_type_vaapi

Macro Definition Documentation

#define MAP	(		va,
			rt,
			av
	)

Value:

{ \
        VA_FOURCC_ ## va, \
        VA_RT_FORMAT_ ## rt, \
        AV_PIX_FMT_ ## av \
    }

Definition at line 88 of file hwcontext_vaapi.c.

Enumeration Type Documentation

anonymous enum

Enumerator
VAAPI_MAP_READ
VAAPI_MAP_WRITE
VAAPI_MAP_DIRECT

Definition at line 73 of file hwcontext_vaapi.c.

Function Documentation

static enum AVPixelFormat vaapi_pix_fmt_from_fourcc ( unsigned int  fourcc )

static

Definition at line 125 of file hwcontext_vaapi.c.

Referenced by vaapi_device_init(), and vaapi_frames_get_constraints().

static int vaapi_get_image_format ( AVHWDeviceContext *  hwdev, enum AVPixelFormat  pix_fmt, VAImageFormat **  image_format  )

static

Definition at line 134 of file hwcontext_vaapi.c.

Referenced by vaapi_frames_init(), and vaapi_map_frame().

static int vaapi_frames_get_constraints ( AVHWDeviceContext *  hwdev, const void *  hwconfig, AVHWFramesConstraints *  constraints  )

static

Definition at line 150 of file hwcontext_vaapi.c.

Referenced by vaapi_device_init().

static int vaapi_device_init ( AVHWDeviceContext *  hwdev )

static

Definition at line 284 of file hwcontext_vaapi.c.

static void vaapi_device_uninit ( AVHWDeviceContext *  hwdev )

static

Definition at line 353 of file hwcontext_vaapi.c.

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

static

Definition at line 360 of file hwcontext_vaapi.c.

Referenced by vaapi_pool_alloc().

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

static

Definition at line 376 of file hwcontext_vaapi.c.

Referenced by vaapi_frames_init().

static int vaapi_frames_init ( AVHWFramesContext *  hwfc )

static

Definition at line 416 of file hwcontext_vaapi.c.

static void vaapi_frames_uninit ( AVHWFramesContext *  hwfc )

static

Definition at line 568 of file hwcontext_vaapi.c.

static int vaapi_get_buffer ( AVHWFramesContext *  hwfc, AVFrame *  frame  )

static

Definition at line 577 of file hwcontext_vaapi.c.

static int vaapi_transfer_get_formats ( AVHWFramesContext *  hwfc, enum AVHWFrameTransferDirection  dir, enum AVPixelFormat **  formats  )

static

Definition at line 591 of file hwcontext_vaapi.c.

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

static

Definition at line 620 of file hwcontext_vaapi.c.

Referenced by vaapi_map_frame().

static int vaapi_map_frame ( AVHWFramesContext *  hwfc, AVFrame *  dst, const AVFrame *  src, int  flags  )

static

Definition at line 659 of file hwcontext_vaapi.c.

Referenced by vaapi_transfer_data_from(), and vaapi_transfer_data_to().

static int vaapi_transfer_data_from ( AVHWFramesContext *  hwfc, AVFrame *  dst, const AVFrame *  src  )

static

Definition at line 799 of file hwcontext_vaapi.c.

static int vaapi_transfer_data_to ( AVHWFramesContext *  hwfc, AVFrame *  dst, const AVFrame *  src  )

static

Definition at line 824 of file hwcontext_vaapi.c.

static void vaapi_device_free ( AVHWDeviceContext *  ctx )

static

Definition at line 849 of file hwcontext_vaapi.c.

Referenced by vaapi_device_create().

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

static

Definition at line 868 of file hwcontext_vaapi.c.

Variable Documentation

unsigned int fourcc

Definition at line 96 of file hwcontext_vaapi.c.

Referenced by main(), matroska_parse_tracks(), msnwc_tcp_probe(), parse_pixel_format(), print_pix_fmt_fourccs(), vaapi_device_init(), vaapi_frames_get_constraints(), and vaapi_frames_init().

unsigned int rt_format

Definition at line 97 of file hwcontext_vaapi.c.

Referenced by vaapi_frames_init().

enum AVPixelFormat pix_fmt

Definition at line 98 of file hwcontext_vaapi.c.

Referenced by vaapi_device_init(), vaapi_frames_get_constraints(), and vaapi_frames_init().

struct { ... } vaapi_format_map[]

Initial value:

= {
    MAP(NV12, YUV420,  NV12),
    MAP(YV12, YUV420,  YUV420P), 
    MAP(IYUV, YUV420,  YUV420P),
  



    MAP(422H, YUV422,  YUV422P),
    MAP(UYVY, YUV422,  UYVY422),
    MAP(YUY2, YUV422,  YUYV422),
    MAP(Y800, YUV400,  GRAY8),



    MAP(BGRA, RGB32,   BGRA),
    MAP(BGRX, RGB32,   BGR0),
    MAP(RGBA, RGB32,   RGBA),
    MAP(RGBX, RGB32,   RGB0),
    MAP(ABGR, RGB32,   ABGR),
    MAP(XBGR, RGB32,   0BGR),
    MAP(ARGB, RGB32,   ARGB),
    MAP(XRGB, RGB32,   0RGB),
}

Referenced by vaapi_frames_init(), and vaapi_pix_fmt_from_fourcc().

const HWContextType ff_hwcontext_type_vaapi

Initial value:

= {
    .type                   = AV_HWDEVICE_TYPE_VAAPI,
    .name                   = "VAAPI",

    .device_hwctx_size      = sizeof(AVVAAPIDeviceContext),
    .device_priv_size       = sizeof(VAAPIDeviceContext),
    .device_hwconfig_size   = sizeof(AVVAAPIHWConfig),
    .frames_hwctx_size      = sizeof(AVVAAPIFramesContext),
    .frames_priv_size       = sizeof(VAAPIFramesContext),

    .device_create          = &vaapi_device_create,
    .device_init            = &vaapi_device_init,
    .device_uninit          = &vaapi_device_uninit,
    .frames_get_constraints = &vaapi_frames_get_constraints,
    .frames_init            = &vaapi_frames_init,
    .frames_uninit          = &vaapi_frames_uninit,
    .frames_get_buffer      = &vaapi_get_buffer,
    .transfer_get_formats   = &vaapi_transfer_get_formats,
    .transfer_data_to       = &vaapi_transfer_data_to,
    .transfer_data_from     = &vaapi_transfer_data_from,

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

Definition at line 948 of file hwcontext_vaapi.c.