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Properties
| gboolean | leaky | Read / Write |
| guint64 | pre-length | Read / Write |
| guint64 | run-length | Read / Write |
| gdouble | threshold | Read / Write |
| gdouble | threshold-dB | Read / Write |
Description
Analyses the audio signal for periods of silence. The start and end of silence is signalled by bus messages named
"cutter".
The message's structure contains two fields:
GstClockTime
"timestamp": the timestamp of the buffer that triggered the message.gboolean
"above":TRUEfor begin of silence andFALSEfor end of silence.
Example launch line
1 |
gst-launch-1.0 -m filesrc location=foo.ogg ! decodebin ! audioconvert ! cutter ! autoaudiosink |
Synopsis
Element Information
plugin |
cutter |
author |
Thomas Vander Stichele <thomas at apestaart dot org> |
class |
Filter/Editor/Audio |
Element Pads
name |
sink |
direction |
sink |
presence |
always |
details |
audio/x-raw, format=(string){ S8, S16LE }, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], layout=(string)interleaved |
name |
src |
direction |
source |
presence |
always |
details |
audio/x-raw, format=(string){ S8, S16LE }, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], layout=(string)interleaved |
Property Details
The “leaky” property
“leaky” gboolean
do we leak buffers when below threshold ?.
Flags: Read / Write
Default value: FALSE
The “pre-length” property
“pre-length” guint64
Length of pre-recording buffer (in nanoseconds).
Flags: Read / Write
Default value: 0
The “run-length” property
“run-length” guint64
Length of drop below threshold before cut_stop (in nanoseconds).
Flags: Read / Write
Default value: 0
The “threshold” property
“threshold” gdouble
Volume threshold before trigger.
Flags: Read / Write
Default value: 0
The “threshold-dB” property
“threshold-dB” gdouble
Volume threshold before trigger (in dB).
Flags: Read / Write
Default value: 0