webrtcechoprobe: GStreamer Bad Plugins 1.0 Plugins Reference Manual

webrtcechoprobe

Types and Values

struct

Description

This echo probe is to be used with the webrtcdsp element. See gst-plugins-bad-plugins-webrtcdsp documentation for more details.

Synopsis

Element Information

plugin	webrtcdsp
author	Nicolas Dufresne <nicolas.dufrsesne@collabora.com>
class	Generic/Audio

Element Pads

name	sink
direction	sink
presence	always
details	audio/x-raw, format=(string)S16LE, layout=(string)interleaved, rate=(int){ 48000, 32000, 16000, 8000 }, channels=(int)[ 1, 2147483647 ]

name	src
direction	source
presence	always
details	audio/x-raw, format=(string)S16LE, layout=(string)interleaved, rate=(int){ 48000, 32000, 16000, 8000 }, channels=(int)[ 1, 2147483647 ]

Functions

Types and Values

struct GstWebrtcEchoProbe

struct GstWebrtcEchoProbe {
  GstAudioFilter parent;

  /* This lock is required as the DSP may need to lock itself using it's
   * object lock and also lock the probe. The natural order for the DSP is
   * to lock the DSP and then the echo probe. If we where using the probe
   * object lock, we'd be racing with GstBin which will lock sink to src,
   * and may accidently reverse the order. */
  GMutex lock;

  /* Protected by the lock */
  GstAudioInfo info;
  guint period_size;
  GstClockTime latency;
  gint delay;

  GstSegment segment;
  GstAdapter *adapter;

  /* Private */
  gboolean acquired;
};

The adder object structure.