ETcVnJpegSampling

Offers sampling factors for jpeg encoding, to trade off chroma resolution against file size.

Syntax

Definition:

TYPE ETcVnJpegSampling :
(
    TCVN_JS_444 := 11,
    TCVN_JS_440 := 12,
    TCVN_JS_422 := 21,
    TCVN_JS_420 := 22,
    TCVN_JS_411 := 41,
    TCVN_JS_410 := 42
)DINT;
END_TYPE

Values

Name

Description

TCVN_JS_444

Sampling factors 1x1, 1x1, 1x1 (full chroma resolution)

TCVN_JS_440

Sampling factors 1x2, 1x1, 1x1

TCVN_JS_422

Sampling factors 2x1, 1x1, 1x1

TCVN_JS_420

Sampling factors 2x2, 1x1, 1x1 (default)

TCVN_JS_411

Sampling factors 4x1, 1x1, 1x1

TCVN_JS_410

Sampling factors 4x2, 1x1, 1x1 (lowest chroma resolution)