Filter: avfilter.hdcd

Plugin Information

title: hdcd
media types: Audio
description: Apply High Definition Compatible Digital (HDCD) decoding.
version: Lavfi9.12.100
creator: libavfilter maintainers

Notes

Many parameters support animated values (keyframes) but only the numeric ones. Many numeric properties have type string because they accept an expression (see FFmpeg documentation) even though they evaluate to a numeric value.

Parameters

av.disable_autoconvert

description: Disable any format conversion or resampling in the filter graph.
type: string
readonly: no
required: no

av.process_stereo

description: Process stereo channels together. Only apply target_gain when both channels match.
type: string
readonly: no
required: no

av.cdt_ms

description: Code detect timer period in ms.
type: integer
readonly: no
required: no
minimum: 100
maximum: 60000
default: 2000

av.force_pe

description: Always extend peaks above -3dBFS even when PE is not signaled.
type: string
readonly: no
required: no

av.analyze_mode

description: Replace audio with solid tone and signal some processing aspect in the amplitude.
type: string
readonly: no
required: no
format: integer or keyword
values:

  • false
  • lle
  • pe
  • cdt
  • tgm

av.bits_per_sample

description: Valid bits per sample (location of the true LSB).
type: string
readonly: no
required: no
format: integer or keyword
values:

  • 16
  • 20
  • 24

position

description: The MLT position value to set on avfilter frames
type: string
readonly: no
required: no
default: frame
values:

  • frame
  • filter
  • source
  • producer

Search

Subscribe

Subscribe to News via RSS.

Recent Posts

About

MLT enables you to author, manage, and run multitrack audio/video compositions.
See our Hall of Fame
Copyright © 2008-2018 by Meltytech, LLC.

Social Links