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audioamplify

audioamplify

Properties

gfloat amplification Read / Write
GstAudioAmplifyClippingMethod clipping-method Read / Write

Types and Values

Object Hierarchy

    GObject
    ╰── GInitiallyUnowned
        ╰── GstObject
            ╰── GstElement
                ╰── GstBaseTransform
                    ╰── GstAudioFilter
                        ╰── GstAudioAmplify

Description

Amplifies an audio stream by a given factor and allows the selection of different clipping modes. The difference between the clipping modes is best evaluated by testing.

Example launch line

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gst-launch-1.0 audiotestsrc wave=saw ! audioamplify amplification=1.5 ! alsasink
gst-launch-1.0 filesrc location="melo1.ogg" ! oggdemux ! vorbisdec ! audioconvert ! audioamplify amplification=1.5 clipping-method=wrap-negative ! alsasink
gst-launch-1.0 audiotestsrc wave=saw ! audioconvert ! audioamplify amplification=1.5 clipping-method=wrap-positive ! audioconvert ! alsasink

Synopsis

Element Information

plugin

audiofx

author

Sebastian Dröge <slomo@circular-chaos.org>

class

Filter/Effect/Audio

Element Pads

name

sink

direction

sink

presence

always

details

audio/x-raw, format=(string){ S8, S16LE, S32LE, F32LE, F64LE }, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], layout=(string){ interleaved, non-interleaved }

name

src

direction

source

presence

always

details

audio/x-raw, format=(string){ S8, S16LE, S32LE, F32LE, F64LE }, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], layout=(string){ interleaved, non-interleaved }

Functions

Types and Values

struct GstAudioAmplify

struct GstAudioAmplify;

Property Details

The “amplification” property

  “amplification”            gfloat

Factor of amplification.

Flags: Read / Write

Default value: 1


The “clipping-method” property

  “clipping-method”          GstAudioAmplifyClippingMethod

Clipping method: clip mode set values higher than the maximum to the maximum. The wrap-negative mode pushes those values back from the opposite side, wrap-positive pushes them back from the same side.

Flags: Read / Write

Default value: Normal clipping (default)

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