Acronyms and Abbreviations

API

Application Programming Interface

AVC

Advanced Video Codec (same as H.264 and MPEG-4, part 10)

BRC

Bit Rate Control

CQP

Constant Quantization Parameter

dGPU/dGfx

Discrete graphics

Direct3D

Microsoft* Direct3D* version 9 or 11.1

Direct3D 9

Microsoft Direct3D version 9

Direct3D 11

Microsoft Direct3D version 11.1

DRM

Digital Right Management

DXVA2

Microsoft DirectX* Video Acceleration standard 2.0

H.264

ISO*/IEC* 14496-10 and ITU-T* H.264, MPEG-4 Part 10, Advanced Video Coding, May 2005

GOP

Group of Picture

GPB

Generalized P/B picture. B-picture, containing only forward references in both L0 and L1

HDR

High Dynamic Range

HRD

Hypothetical Reference Decoder

I010

A color format for raw video frames, extends IYUV/I420 for 10 bit

IDR

Instantaneous decoding fresh picture, a term used in the H.264 specification

iGPU

Integrated HD graphics

IYUV

A color format for raw video frames, also known as I420

LA

Look Ahead. Special encoding mode where encoder performs pre analysis of several frames before actual encoding starts.

MCTF

Motion Compensated Temporal Filter. Special type of a noise reduction filter which utilizes motion to improve efficiency of video denoising

MPEG

Motion Picture Expert Group

MPEG-2

ISO/IEC 13818-2 and ITU-T H.262, MPEG-2 Part 2, Information Technology- Generic Coding of Moving Pictures and Associate Audio Information: Video, 2000

NAL

Network Abstraction Layer

NV12

YUV 4:2:0 video format, 12 bits per pixel

NV16

YUV 4:2:2 video format, 16 bits per pixel

P010

YUV 4:2:0 video format, extends NV12, 10 bits per pixel

P210

YUV 4:2:2 video format, 10 bits per pixel

PPS

Picture Parameter Set

QP

Quantization Parameter

RGB32

Thirty-two-bit RGB color format

RGB4

Thirty-two-bit RGB color format. Also known as RGB32

SDK

Intel® Media Software Development Kit

SEI

Supplemental Enhancement Information

SPS

Sequence Parameter Set

UYVY

YUV 4:2:2 video format, 16 bits per pixel

VA API

Video Acceleration API

VBR

Variable Bit Rate

VBV

Video Buffering Verifier

VC-1

SMPTE* 421M, SMPTE Standard for Television: VC-1 Compressed Video Bitstream Format and Decoding Process, August 2005

video memory

Memory used by a hardware acceleration device, also known as GPU, to hold frame and other types of video data

VUI

Video Usability Information

YUY2

A color format for raw video frames

YV12

A color format for raw video frames, similar to IYUV with U and V reversed