dtmfdetect
This element will detect DTMF tones and emit messages.
The message is called dtmf-event and has the following fields:
- gint type(0-1): The application uses this field to specify which of the two methods specified in RFC 2833 to use. The value should be 0 for tones and 1 for named events. Tones are specified by their frequencies and events are specified by their number. This element can only take events as input. Do not confuse with "method" which specified the output.
- gint number(0-16): The event number.
- gint method(2): This field will always been 2 (ie sound) from this element.
Hierarchy
GObject ╰──GInitiallyUnowned ╰──GstObject ╰──GstElement ╰──GstBaseTransform ╰──dtmfdetect
Factory details
Authors: – Olivier Crete 
Classification: – Filter/Analyzer/Audio
Rank – marginal
Plugin – spandsp
Package – GStreamer Bad Plug-ins
Pad Templates
sink
        audio/x-raw:
         format: S16LE
           rate: 8000
       channels: 1
src
        audio/x-raw:
         format: S16LE
           rate: 8000
       channels: 1
Properties
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