FFmpeg
Functions | Variables
vaapi_vc1.c File Reference
#include "config_components.h"
#include "hwaccel_internal.h"
#include "mpegvideodec.h"
#include "vaapi_decode.h"
#include "vc1.h"

Go to the source code of this file.

Functions

static int get_VAMvModeVC1 (enum MVModes mv_mode)
 Translate FFmpeg MV modes to VA API. More...
 
static int vc1_has_MVTYPEMB_bitplane (const VC1Context *v)
 Check whether the MVTYPEMB bitplane is present. More...
 
static int vc1_has_SKIPMB_bitplane (const VC1Context *v)
 Check whether the SKIPMB bitplane is present. More...
 
static int vc1_has_DIRECTMB_bitplane (const VC1Context *v)
 Check whether the DIRECTMB bitplane is present. More...
 
static int vc1_has_ACPRED_bitplane (const VC1Context *v)
 Check whether the ACPRED bitplane is present. More...
 
static int vc1_has_OVERFLAGS_bitplane (const VC1Context *v)
 Check whether the OVERFLAGS bitplane is present. More...
 
static int vc1_has_FIELDTX_bitplane (const VC1Context *v)
 Check whether the FIELDTX bitplane is present. More...
 
static int vc1_has_FORWARDMB_bitplane (const VC1Context *v)
 Check whether the FORWARDMB bitplane is present. More...
 
static int vc1_get_PTYPE (const VC1Context *v)
 Reconstruct bitstream PTYPE (7.1.1.4, index into Table-35) More...
 
static int vc1_get_FPTYPE (const VC1Context *v)
 Reconstruct bitstream FPTYPE (9.1.1.42, index into Table-105) More...
 
static VAMvModeVC1 vc1_get_MVMODE (const VC1Context *v)
 Reconstruct bitstream MVMODE (7.1.1.32) More...
 
static VAMvModeVC1 vc1_get_MVMODE2 (const VC1Context *v)
 Reconstruct bitstream MVMODE2 (7.1.1.33) More...
 
static av_unused int vc1_get_INTCOMPFIELD (const VC1Context *v)
 
static int vc1_get_LUMSCALE (const VC1Context *v)
 
static int vc1_get_LUMSHIFT (const VC1Context *v)
 
static av_unused int vc1_get_LUMSCALE2 (const VC1Context *v)
 
static av_unused int vc1_get_LUMSHIFT2 (const VC1Context *v)
 
static int vc1_get_TTFRM (const VC1Context *v)
 Reconstruct bitstream TTFRM (7.1.1.41, Table-53) More...
 
static void vc1_pack_bitplanes (uint8_t *bitplane, int n, const uint8_t *ff_bp[3], int x, int y, int stride)
 Pack FFmpeg bitplanes into a VABitPlaneBuffer element. More...
 
static int vaapi_vc1_start_frame (AVCodecContext *avctx, av_unused const uint8_t *buffer, av_unused uint32_t size)
 
static int vaapi_vc1_end_frame (AVCodecContext *avctx)
 
static int vaapi_vc1_decode_slice (AVCodecContext *avctx, const uint8_t *buffer, uint32_t size)
 

Variables

const FFHWAccel ff_vc1_vaapi_hwaccel
 

Function Documentation

◆ get_VAMvModeVC1()

static int get_VAMvModeVC1 ( enum MVModes  mv_mode)
static

Translate FFmpeg MV modes to VA API.

Definition at line 31 of file vaapi_vc1.c.

Referenced by vc1_get_MVMODE(), and vc1_get_MVMODE2().

◆ vc1_has_MVTYPEMB_bitplane()

static int vc1_has_MVTYPEMB_bitplane ( const VC1Context *  v)
inlinestatic

Check whether the MVTYPEMB bitplane is present.

Definition at line 44 of file vaapi_vc1.c.

Referenced by vaapi_vc1_start_frame().

◆ vc1_has_SKIPMB_bitplane()

static int vc1_has_SKIPMB_bitplane ( const VC1Context *  v)
inlinestatic

Check whether the SKIPMB bitplane is present.

Definition at line 56 of file vaapi_vc1.c.

Referenced by vaapi_vc1_start_frame().

◆ vc1_has_DIRECTMB_bitplane()

static int vc1_has_DIRECTMB_bitplane ( const VC1Context *  v)
inlinestatic

Check whether the DIRECTMB bitplane is present.

Definition at line 66 of file vaapi_vc1.c.

Referenced by vaapi_vc1_start_frame().

◆ vc1_has_ACPRED_bitplane()

static int vc1_has_ACPRED_bitplane ( const VC1Context *  v)
inlinestatic

Check whether the ACPRED bitplane is present.

Definition at line 75 of file vaapi_vc1.c.

Referenced by vaapi_vc1_start_frame().

◆ vc1_has_OVERFLAGS_bitplane()

static int vc1_has_OVERFLAGS_bitplane ( const VC1Context *  v)
inlinestatic

Check whether the OVERFLAGS bitplane is present.

Definition at line 85 of file vaapi_vc1.c.

Referenced by vaapi_vc1_start_frame().

◆ vc1_has_FIELDTX_bitplane()

static int vc1_has_FIELDTX_bitplane ( const VC1Context *  v)
inlinestatic

Check whether the FIELDTX bitplane is present.

Definition at line 97 of file vaapi_vc1.c.

Referenced by vaapi_vc1_start_frame().

◆ vc1_has_FORWARDMB_bitplane()

static int vc1_has_FORWARDMB_bitplane ( const VC1Context *  v)
inlinestatic

Check whether the FORWARDMB bitplane is present.

Definition at line 107 of file vaapi_vc1.c.

Referenced by vaapi_vc1_start_frame().

◆ vc1_get_PTYPE()

static int vc1_get_PTYPE ( const VC1Context *  v)
static

Reconstruct bitstream PTYPE (7.1.1.4, index into Table-35)

Definition at line 116 of file vaapi_vc1.c.

Referenced by vaapi_vc1_start_frame().

◆ vc1_get_FPTYPE()

static int vc1_get_FPTYPE ( const VC1Context *  v)
static

Reconstruct bitstream FPTYPE (9.1.1.42, index into Table-105)

Definition at line 128 of file vaapi_vc1.c.

Referenced by vaapi_vc1_start_frame().

◆ vc1_get_MVMODE()

static VAMvModeVC1 vc1_get_MVMODE ( const VC1Context *  v)
inlinestatic

Reconstruct bitstream MVMODE (7.1.1.32)

Definition at line 140 of file vaapi_vc1.c.

Referenced by vaapi_vc1_start_frame().

◆ vc1_get_MVMODE2()

static VAMvModeVC1 vc1_get_MVMODE2 ( const VC1Context *  v)
inlinestatic

Reconstruct bitstream MVMODE2 (7.1.1.33)

Definition at line 150 of file vaapi_vc1.c.

Referenced by vaapi_vc1_start_frame().

◆ vc1_get_INTCOMPFIELD()

static av_unused int vc1_get_INTCOMPFIELD ( const VC1Context *  v)
inlinestatic

Definition at line 159 of file vaapi_vc1.c.

Referenced by vaapi_vc1_start_frame().

◆ vc1_get_LUMSCALE()

static int vc1_get_LUMSCALE ( const VC1Context *  v)
inlinestatic

Definition at line 172 of file vaapi_vc1.c.

Referenced by vaapi_vc1_start_frame().

◆ vc1_get_LUMSHIFT()

static int vc1_get_LUMSHIFT ( const VC1Context *  v)
inlinestatic

Definition at line 188 of file vaapi_vc1.c.

Referenced by vaapi_vc1_start_frame().

◆ vc1_get_LUMSCALE2()

static av_unused int vc1_get_LUMSCALE2 ( const VC1Context *  v)
inlinestatic

Definition at line 204 of file vaapi_vc1.c.

Referenced by vaapi_vc1_start_frame().

◆ vc1_get_LUMSHIFT2()

static av_unused int vc1_get_LUMSHIFT2 ( const VC1Context *  v)
inlinestatic

Definition at line 214 of file vaapi_vc1.c.

Referenced by vaapi_vc1_start_frame().

◆ vc1_get_TTFRM()

static int vc1_get_TTFRM ( const VC1Context *  v)
inlinestatic

Reconstruct bitstream TTFRM (7.1.1.41, Table-53)

Definition at line 225 of file vaapi_vc1.c.

Referenced by vaapi_vc1_start_frame().

◆ vc1_pack_bitplanes()

static void vc1_pack_bitplanes ( uint8_t *  bitplane,
int  n,
const uint8_t *  ff_bp[3],
int  x,
int  y,
int  stride 
)
inlinestatic

Pack FFmpeg bitplanes into a VABitPlaneBuffer element.

Definition at line 237 of file vaapi_vc1.c.

◆ vaapi_vc1_start_frame()

static int vaapi_vc1_start_frame ( AVCodecContext *  avctx,
av_unused const uint8_t *  buffer,
av_unused uint32_t  size 
)
static

Definition at line 251 of file vaapi_vc1.c.

◆ vaapi_vc1_end_frame()

static int vaapi_vc1_end_frame ( AVCodecContext *  avctx)
static

Definition at line 448 of file vaapi_vc1.c.

◆ vaapi_vc1_decode_slice()

static int vaapi_vc1_decode_slice ( AVCodecContext *  avctx,
const uint8_t *  buffer,
uint32_t  size 
)
static

Definition at line 463 of file vaapi_vc1.c.

Variable Documentation

◆ ff_vc1_vaapi_hwaccel

const FFHWAccel ff_vc1_vaapi_hwaccel
Initial value:
= {
.p.name = "vc1_vaapi",
.p.type = AVMEDIA_TYPE_VIDEO,
.p.id = AV_CODEC_ID_VC1,
.p.pix_fmt = AV_PIX_FMT_VAAPI,
.start_frame = &vaapi_vc1_start_frame,
.end_frame = &vaapi_vc1_end_frame,
.decode_slice = &vaapi_vc1_decode_slice,
.frame_priv_data_size = sizeof(VAAPIDecodePicture),
.init = &ff_vaapi_decode_init,
.uninit = &ff_vaapi_decode_uninit,
.frame_params = &ff_vaapi_common_frame_params,
.priv_data_size = sizeof(VAAPIDecodeContext),
.caps_internal = HWACCEL_CAP_ASYNC_SAFE,
}

Definition at line 520 of file vaapi_vc1.c.

VAAPIDecodeContext
Definition: vaapi_decode.h:50
VAAPIDecodePicture
Definition: vaapi_decode.h:39
vaapi_vc1_start_frame
static int vaapi_vc1_start_frame(AVCodecContext *avctx, av_unused const uint8_t *buffer, av_unused uint32_t size)
Definition: vaapi_vc1.c:251
ff_vaapi_decode_init
int ff_vaapi_decode_init(AVCodecContext *avctx)
Definition: vaapi_decode.c:661
ff_vaapi_common_frame_params
int ff_vaapi_common_frame_params(AVCodecContext *avctx, AVBufferRef *hw_frames_ctx)
Definition: vaapi_decode.c:637
ff_vaapi_decode_uninit
int ff_vaapi_decode_uninit(AVCodecContext *avctx)
Definition: vaapi_decode.c:707
vaapi_vc1_end_frame
static int vaapi_vc1_end_frame(AVCodecContext *avctx)
Definition: vaapi_vc1.c:448
HWACCEL_CAP_ASYNC_SAFE
#define HWACCEL_CAP_ASYNC_SAFE
Header providing the internals of AVHWAccel.
Definition: hwaccel_internal.h:31
init
int(* init)(AVBSFContext *ctx)
Definition: dts2pts.c:365
AV_PIX_FMT_VAAPI
@ AV_PIX_FMT_VAAPI
Hardware acceleration through VA-API, data[3] contains a VASurfaceID.
Definition: pixfmt.h:126
uninit
static void uninit(AVBSFContext *ctx)
Definition: pcm_rechunk.c:68
AV_CODEC_ID_VC1
@ AV_CODEC_ID_VC1
Definition: codec_id.h:122
AVMEDIA_TYPE_VIDEO
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
vaapi_vc1_decode_slice
static int vaapi_vc1_decode_slice(AVCodecContext *avctx, const uint8_t *buffer, uint32_t size)
Definition: vaapi_vc1.c:463
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