audioresample

audioresample — Resamples audio

Synopsis

struct              GstAudioResample;

Object Hierarchy

  GObject
   +----GstObject
         +----GstElement
               +----GstBaseTransform
                     +----GstAudioResample

Properties

  "filter-length"            gint                  : Read / Write
  "quality"                  gint                  : Read / Write / Construct

Description

audioresample resamples raw audio buffers to different sample rates using a configurable windowing function to enhance quality.

Example launch line

1
gst-launch -v filesrc location=sine.ogg ! oggdemux ! vorbisdec ! audioconvert ! audioresample ! audio/x-raw-int, rate=8000 ! alsasink
Decode an Ogg/Vorbis downsample to 8Khz and play sound through alsa. To create the Ogg/Vorbis file refer to the documentation of vorbisenc.

Synopsis

Element Information

plugin

audioresample

author

Sebastian Dröge <sebastian.droege@collabora.co.uk>

class

Filter/Converter/Audio

Element Pads

name

sink

direction

sink

presence

always

details

audio/x-raw-float, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], endianness=(int)1234, width=(int){ 32, 64 }

audio/x-raw-int, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], endianness=(int)1234, width=(int)32, depth=(int)32, signed=(boolean)true

audio/x-raw-int, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], endianness=(int)1234, width=(int)24, depth=(int)24, signed=(boolean)true

audio/x-raw-int, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], endianness=(int)1234, width=(int)16, depth=(int)16, signed=(boolean)true

audio/x-raw-int, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], endianness=(int)1234, width=(int)8, depth=(int)8, signed=(boolean)true

name

src

direction

source

presence

always

details

audio/x-raw-float, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], endianness=(int)1234, width=(int){ 32, 64 }

audio/x-raw-int, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], endianness=(int)1234, width=(int)32, depth=(int)32, signed=(boolean)true

audio/x-raw-int, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], endianness=(int)1234, width=(int)24, depth=(int)24, signed=(boolean)true

audio/x-raw-int, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], endianness=(int)1234, width=(int)16, depth=(int)16, signed=(boolean)true

audio/x-raw-int, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], endianness=(int)1234, width=(int)8, depth=(int)8, signed=(boolean)true

Details

struct GstAudioResample

struct GstAudioResample;

Opaque data structure.

Property Details

The "filter-length" property

  "filter-length"            gint                  : Read / Write

Warning

GstAudioResample:filter-length is deprecated and should not be used in newly-written code. Use "quality" property instead

Length of the resample filter

Allowed values: >= 0

Default value: 64


The "quality" property

  "quality"                  gint                  : Read / Write / Construct

Resample quality with 0 being the lowest and 10 being the best.

Allowed values: [0,10]

Default value: 4