FFmpeg
Data Structures | Macros | Functions | Variables
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_drm.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  VAAPIMapping
 
struct  VAAPIFormat
 

Macros

#define MAP(va, rt, av, swap_uv)
 

Functions

static const VAAPIFormatDescriptor * vaapi_format_from_fourcc (unsigned int fourcc)
 
static const VAAPIFormatDescriptor * vaapi_format_from_pix_fmt (enum AVPixelFormat pix_fmt)
 
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, size_t 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 (AVHWFramesContext *hwfc, HWMapDescriptor *hwmap)
 
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 int vaapi_map_to_memory (AVHWFramesContext *hwfc, AVFrame *dst, const AVFrame *src, int flags)
 
static int vaapi_map_to (AVHWFramesContext *hwfc, AVFrame *dst, const AVFrame *src, int flags)
 
static int vaapi_map_from (AVHWFramesContext *hwfc, AVFrame *dst, const AVFrame *src, int flags)
 
static void vaapi_device_free (AVHWDeviceContext *ctx)
 
static int vaapi_device_connect (AVHWDeviceContext *ctx, VADisplay display)
 
static int vaapi_device_create (AVHWDeviceContext *ctx, const char *device, AVDictionary *opts, int flags)
 
static int vaapi_device_derive (AVHWDeviceContext *ctx, AVHWDeviceContext *src_ctx, AVDictionary *opts, int flags)
 

Variables

static const VAAPIFormatDescriptor vaapi_format_map []
 
struct {
   const char *   friendly_name
 
   const char *   match_string
 
   unsigned int   quirks
 
} vaapi_driver_quirks_table []
 
const HWContextType ff_hwcontext_type_vaapi
 

Macro Definition Documentation

◆ MAP

#define MAP (   va,
  rt,
  av,
  swap_uv 
)
Value:
{ \
VA_FOURCC_ ## va, \
VA_RT_FORMAT_ ## rt, \
AV_PIX_FMT_ ## av, \
swap_uv, \
}

Definition at line 101 of file hwcontext_vaapi.c.

Function Documentation

◆ vaapi_format_from_fourcc()

static const VAAPIFormatDescriptor* vaapi_format_from_fourcc ( unsigned int  fourcc)
static

Definition at line 168 of file hwcontext_vaapi.c.

Referenced by vaapi_map_frame(), and vaapi_pix_fmt_from_fourcc().

◆ vaapi_format_from_pix_fmt()

static const VAAPIFormatDescriptor* vaapi_format_from_pix_fmt ( enum AVPixelFormat  pix_fmt)
static

Definition at line 178 of file hwcontext_vaapi.c.

Referenced by vaapi_frames_init().

◆ vaapi_pix_fmt_from_fourcc()

static enum AVPixelFormat vaapi_pix_fmt_from_fourcc ( unsigned int  fourcc)
static

Definition at line 187 of file hwcontext_vaapi.c.

Referenced by vaapi_device_init(), and vaapi_frames_get_constraints().

◆ vaapi_get_image_format()

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

Definition at line 197 of file hwcontext_vaapi.c.

Referenced by vaapi_frames_init(), vaapi_map_frame(), and vaapi_map_to_memory().

◆ vaapi_frames_get_constraints()

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

Definition at line 214 of file hwcontext_vaapi.c.

◆ vaapi_device_init()

static int vaapi_device_init ( AVHWDeviceContext *  hwdev)
static

Definition at line 376 of file hwcontext_vaapi.c.

◆ vaapi_device_uninit()

static void vaapi_device_uninit ( AVHWDeviceContext *  hwdev)
static

Definition at line 466 of file hwcontext_vaapi.c.

◆ vaapi_buffer_free()

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

Definition at line 473 of file hwcontext_vaapi.c.

Referenced by vaapi_pool_alloc().

◆ vaapi_pool_alloc()

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

Definition at line 489 of file hwcontext_vaapi.c.

Referenced by vaapi_frames_init().

◆ vaapi_frames_init()

static int vaapi_frames_init ( AVHWFramesContext *  hwfc)
static

Definition at line 533 of file hwcontext_vaapi.c.

◆ vaapi_frames_uninit()

static void vaapi_frames_uninit ( AVHWFramesContext *  hwfc)
static

Definition at line 685 of file hwcontext_vaapi.c.

◆ vaapi_get_buffer()

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

Definition at line 694 of file hwcontext_vaapi.c.

◆ vaapi_transfer_get_formats()

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

Definition at line 708 of file hwcontext_vaapi.c.

◆ vaapi_unmap_frame()

static void vaapi_unmap_frame ( AVHWFramesContext *  hwfc,
HWMapDescriptor *  hwmap 
)
static

Definition at line 744 of file hwcontext_vaapi.c.

Referenced by vaapi_map_frame().

◆ vaapi_map_frame()

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

Definition at line 781 of file hwcontext_vaapi.c.

Referenced by vaapi_map_to_memory(), vaapi_transfer_data_from(), and vaapi_transfer_data_to().

◆ vaapi_transfer_data_from()

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

Definition at line 916 of file hwcontext_vaapi.c.

◆ vaapi_transfer_data_to()

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

Definition at line 947 of file hwcontext_vaapi.c.

◆ vaapi_map_to_memory()

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

Definition at line 978 of file hwcontext_vaapi.c.

Referenced by vaapi_map_from().

◆ vaapi_map_to()

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

Definition at line 1564 of file hwcontext_vaapi.c.

◆ vaapi_map_from()

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

Definition at line 1577 of file hwcontext_vaapi.c.

◆ vaapi_device_free()

static void vaapi_device_free ( AVHWDeviceContext *  ctx)
static

Definition at line 1590 of file hwcontext_vaapi.c.

Referenced by vaapi_device_create(), and vaapi_device_derive().

◆ vaapi_device_connect()

static int vaapi_device_connect ( AVHWDeviceContext *  ctx,
VADisplay  display 
)
static

Definition at line 1625 of file hwcontext_vaapi.c.

Referenced by vaapi_device_create(), and vaapi_device_derive().

◆ vaapi_device_create()

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

Definition at line 1651 of file hwcontext_vaapi.c.

◆ vaapi_device_derive()

static int vaapi_device_derive ( AVHWDeviceContext *  ctx,
AVHWDeviceContext *  src_ctx,
AVDictionary *  opts,
int  flags 
)
static

Definition at line 1821 of file hwcontext_vaapi.c.

Variable Documentation

◆ vaapi_format_map

const VAAPIFormatDescriptor vaapi_format_map[]
static

Definition at line 109 of file hwcontext_vaapi.c.

Referenced by vaapi_format_from_fourcc(), and vaapi_format_from_pix_fmt().

◆ friendly_name

const char* friendly_name

Definition at line 352 of file hwcontext_vaapi.c.

Referenced by vaapi_device_init().

◆ match_string

const char* match_string

Definition at line 353 of file hwcontext_vaapi.c.

Referenced by vaapi_device_init().

◆ quirks

unsigned int quirks

Definition at line 354 of file hwcontext_vaapi.c.

Referenced by vaapi_device_init().

◆ vaapi_driver_quirks_table

const { ... } vaapi_driver_quirks_table[]
Initial value:
= {
{
"Intel i965 (Quick Sync)",
"i965",
AV_VAAPI_DRIVER_QUIRK_RENDER_PARAM_BUFFERS,
},
{
"Intel iHD",
"ubit",
AV_VAAPI_DRIVER_QUIRK_ATTRIB_MEMTYPE,
},
{
"VDPAU wrapper",
"Splitted-Desktop Systems VDPAU backend for VA-API",
AV_VAAPI_DRIVER_QUIRK_SURFACE_ATTRIBUTES,
},
}

Referenced by vaapi_device_init().

◆ ff_hwcontext_type_vaapi

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_derive = &vaapi_device_derive,
.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,
.map_to = &vaapi_map_to,
.map_from = &vaapi_map_from,
.pix_fmts = (const enum AVPixelFormat[]) {
AV_PIX_FMT_VAAPI,
AV_PIX_FMT_NONE
},
}

Definition at line 1909 of file hwcontext_vaapi.c.

vaapi_device_derive
static int vaapi_device_derive(AVHWDeviceContext *ctx, AVHWDeviceContext *src_ctx, AVDictionary *opts, int flags)
Definition: hwcontext_vaapi.c:1821
VAAPIDeviceContext
Definition: hwcontext_vaapi.c:68
AV_VAAPI_DRIVER_QUIRK_SURFACE_ATTRIBUTES
@ AV_VAAPI_DRIVER_QUIRK_SURFACE_ATTRIBUTES
The driver does not support surface attributes at all.
Definition: hwcontext_vaapi.h:60
AVPixelFormat
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
AVVAAPIHWConfig
VAAPI hardware pipeline configuration details.
Definition: hwcontext_vaapi.h:110
vaapi_map_to
static int vaapi_map_to(AVHWFramesContext *hwfc, AVFrame *dst, const AVFrame *src, int flags)
Definition: hwcontext_vaapi.c:1564
AV_VAAPI_DRIVER_QUIRK_ATTRIB_MEMTYPE
@ AV_VAAPI_DRIVER_QUIRK_ATTRIB_MEMTYPE
The driver does not support the VASurfaceAttribMemoryType attribute, so the surface allocation code w...
Definition: hwcontext_vaapi.h:53
vaapi_frames_init
static int vaapi_frames_init(AVHWFramesContext *hwfc)
Definition: hwcontext_vaapi.c:533
vaapi_transfer_data_to
static int vaapi_transfer_data_to(AVHWFramesContext *hwfc, AVFrame *dst, const AVFrame *src)
Definition: hwcontext_vaapi.c:947
vaapi_get_buffer
static int vaapi_get_buffer(AVHWFramesContext *hwfc, AVFrame *frame)
Definition: hwcontext_vaapi.c:694
vaapi_transfer_get_formats
static int vaapi_transfer_get_formats(AVHWFramesContext *hwfc, enum AVHWFrameTransferDirection dir, enum AVPixelFormat **formats)
Definition: hwcontext_vaapi.c:708
device_init
static int device_init(AVFormatContext *ctx, int *width, int *height, uint32_t pixelformat)
Definition: v4l2.c:204
pix_fmts
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:296
vaapi_device_init
static int vaapi_device_init(AVHWDeviceContext *hwdev)
Definition: hwcontext_vaapi.c:376
vaapi_transfer_data_from
static int vaapi_transfer_data_from(AVHWFramesContext *hwfc, AVFrame *dst, const AVFrame *src)
Definition: hwcontext_vaapi.c:916
vaapi_device_create
static int vaapi_device_create(AVHWDeviceContext *ctx, const char *device, AVDictionary *opts, int flags)
Definition: hwcontext_vaapi.c:1651
AV_PIX_FMT_VAAPI
@ AV_PIX_FMT_VAAPI
Hardware acceleration through VA-API, data[3] contains a VASurfaceID.
Definition: pixfmt.h:119
AV_HWDEVICE_TYPE_VAAPI
@ AV_HWDEVICE_TYPE_VAAPI
Definition: hwcontext.h:31
vaapi_frames_get_constraints
static int vaapi_frames_get_constraints(AVHWDeviceContext *hwdev, const void *hwconfig, AVHWFramesConstraints *constraints)
Definition: hwcontext_vaapi.c:214
AV_VAAPI_DRIVER_QUIRK_RENDER_PARAM_BUFFERS
@ AV_VAAPI_DRIVER_QUIRK_RENDER_PARAM_BUFFERS
The driver does not destroy parameter buffers when they are used by vaRenderPicture().
Definition: hwcontext_vaapi.h:47
vaapi_device_uninit
static void vaapi_device_uninit(AVHWDeviceContext *hwdev)
Definition: hwcontext_vaapi.c:466
AV_PIX_FMT_NONE
@ AV_PIX_FMT_NONE
Definition: pixfmt.h:65
VAAPIFramesContext
Definition: hwcontext_vaapi.c:74
AVVAAPIFramesContext
VAAPI-specific data associated with a frame pool.
Definition: hwcontext_vaapi.h:88
vaapi_map_from
static int vaapi_map_from(AVHWFramesContext *hwfc, AVFrame *dst, const AVFrame *src, int flags)
Definition: hwcontext_vaapi.c:1577
AVVAAPIDeviceContext
VAAPI connection details.
Definition: hwcontext_vaapi.h:68
vaapi_frames_uninit
static void vaapi_frames_uninit(AVHWFramesContext *hwfc)
Definition: hwcontext_vaapi.c:685
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