audioresample

audioresample — Resample audio

Synopsis




                    GstAudioresample;

Object Hierarchy


  GObject
   +----GstObject
         +----GstElement
               +----GstBaseTransform
                     +----GstAudioresample

Properties


  "filter-length"            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

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.

Last reviewed on 2006-03-02 (0.10.4)

Element Information

plugin audioresample
author David Schleef <ds@schleef.org>
class Filter/Converter/Audio

Element Pads

name src
direction source
presence always
details 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)32, depth=(int)32, signed=(boolean)true; audio/x-raw-float, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], endianness=(int)1234, width=(int)32; audio/x-raw-float, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], endianness=(int)1234, width=(int)64
name sink
direction sink
presence always
details 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)32, depth=(int)32, signed=(boolean)true; audio/x-raw-float, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], endianness=(int)1234, width=(int)32; audio/x-raw-float, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], endianness=(int)1234, width=(int)64

Details

GstAudioresample

typedef struct _GstAudioresample GstAudioresample;

Opaque data structure.

Property Details

The "filter-length" property

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

filter_length.

Allowed values: >= 0

Default value: 16