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webrtcdsp: expose new properties.
This gives the user more control over the gain control and experimental gain control behaviour. https://bugzilla.gnome.org/show_bug.cgi?id=779103
This commit is contained in:
Mathieu Duponchelle
parent
962d747c3a
commit
ab2dc21b9b
1 changed files with 127 additions and 4 deletions
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@ -78,6 +78,12 @@
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GST_DEBUG_CATEGORY (webrtc_dsp_debug);
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#define GST_CAT_DEFAULT (webrtc_dsp_debug)
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#define DEFAULT_TARGET_LEVEL_DBFS 3
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#define DEFAULT_COMPRESSION_GAIN_DB 9
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#define DEFAULT_STARTUP_MIN_VOLUME 12
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#define DEFAULT_LIMITER TRUE
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#define DEFAULT_GAIN_CONTROL_MODE webrtc::GainControl::kAdaptiveDigital
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static GstStaticPadTemplate gst_webrtc_dsp_sink_template =
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GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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@ -145,6 +151,26 @@ gst_webrtc_noise_suppression_level_get_type (void)
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return suppression_level_type;
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}
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typedef webrtc::GainControl::Mode GstWebrtcGainControlMode;
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#define GST_TYPE_WEBRTC_GAIN_CONTROL_MODE \
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(gst_webrtc_gain_control_mode_get_type ())
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static GType
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gst_webrtc_gain_control_mode_get_type (void)
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{
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static GType gain_control_mode_type = 0;
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static const GEnumValue mode_types[] = {
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{webrtc::GainControl::kAdaptiveDigital, "Adaptive Digital", "adaptive-digital"},
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{webrtc::GainControl::kFixedDigital, "Fixed Digital", "fixed-digital"},
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{0, NULL, NULL}
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};
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if (!gain_control_mode_type) {
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gain_control_mode_type =
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g_enum_register_static ("GstWebrtcGainControlMode", mode_types);
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}
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return gain_control_mode_type;
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}
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enum
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{
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PROP_0,
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@ -157,7 +183,12 @@ enum
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PROP_GAIN_CONTROL,
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PROP_EXPERIMENTAL_AGC,
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PROP_EXTENDED_FILTER,
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PROP_DELAY_AGNOSTIC
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PROP_DELAY_AGNOSTIC,
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PROP_TARGET_LEVEL_DBFS,
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PROP_COMPRESSION_GAIN_DB,
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PROP_STARTUP_MIN_VOLUME,
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PROP_LIMITER,
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PROP_GAIN_CONTROL_MODE
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};
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/**
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@ -191,6 +222,11 @@ struct _GstWebrtcDsp
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gboolean experimental_agc;
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gboolean extended_filter;
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gboolean delay_agnostic;
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gint target_level_dbfs;
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gint compression_gain_db;
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gint startup_min_volume;
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gboolean limiter;
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webrtc::GainControl::Mode gain_control_mode;
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};
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G_DEFINE_TYPE (GstWebrtcDsp, gst_webrtc_dsp, GST_TYPE_AUDIO_FILTER);
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@ -408,7 +444,7 @@ gst_webrtc_dsp_start (GstBaseTransform * btrans)
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config.Set < webrtc::ExtendedFilter >
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(new webrtc::ExtendedFilter (self->extended_filter));
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config.Set < webrtc::ExperimentalAgc >
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(new webrtc::ExperimentalAgc (self->experimental_agc));
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(new webrtc::ExperimentalAgc (self->experimental_agc, self->startup_min_volume));
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config.Set < webrtc::DelayAgnostic >
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(new webrtc::DelayAgnostic (self->delay_agnostic));
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@ -505,8 +541,21 @@ gst_webrtc_dsp_setup (GstAudioFilter * filter, const GstAudioInfo * info)
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}
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if (self->gain_control) {
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GST_DEBUG_OBJECT (self, "Enabling Digital Gain Control");
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apm->gain_control ()->set_mode (webrtc::GainControl::kAdaptiveDigital);
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GEnumClass *mode_class = (GEnumClass *)
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g_type_class_ref (GST_TYPE_WEBRTC_GAIN_CONTROL_MODE);
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GST_DEBUG_OBJECT (self, "Enabling Digital Gain Control, target level "
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"dBFS %d, compression gain dB %d, limiter %senabled, mode: %s",
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self->target_level_dbfs, self->compression_gain_db,
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self->limiter ? "" : "NOT ",
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g_enum_get_value (mode_class, self->gain_control_mode)->value_name);
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g_type_class_unref (mode_class);
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apm->gain_control ()->set_mode (self->gain_control_mode);
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apm->gain_control ()->set_target_level_dbfs (self->target_level_dbfs);
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apm->gain_control ()->set_compression_gain_db (self->compression_gain_db);
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apm->gain_control ()->enable_limiter (self->limiter);
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apm->gain_control ()->Enable (true);
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}
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@ -603,6 +652,22 @@ gst_webrtc_dsp_set_property (GObject * object,
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case PROP_DELAY_AGNOSTIC:
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self->delay_agnostic = g_value_get_boolean (value);
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break;
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case PROP_TARGET_LEVEL_DBFS:
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self->target_level_dbfs = g_value_get_int (value);
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break;
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case PROP_COMPRESSION_GAIN_DB:
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self->compression_gain_db = g_value_get_int (value);
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break;
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case PROP_STARTUP_MIN_VOLUME:
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self->startup_min_volume = g_value_get_int (value);
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break;
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case PROP_LIMITER:
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self->limiter = g_value_get_boolean (value);
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break;
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case PROP_GAIN_CONTROL_MODE:
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self->gain_control_mode =
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(GstWebrtcGainControlMode) g_value_get_enum (value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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@ -648,6 +713,21 @@ gst_webrtc_dsp_get_property (GObject * object,
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case PROP_DELAY_AGNOSTIC:
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g_value_set_boolean (value, self->delay_agnostic);
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break;
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case PROP_TARGET_LEVEL_DBFS:
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g_value_set_int (value, self->target_level_dbfs);
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break;
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case PROP_COMPRESSION_GAIN_DB:
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g_value_set_int (value, self->compression_gain_db);
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break;
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case PROP_STARTUP_MIN_VOLUME:
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g_value_set_int (value, self->startup_min_volume);
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break;
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case PROP_LIMITER:
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g_value_set_boolean (value, self->limiter);
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break;
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case PROP_GAIN_CONTROL_MODE:
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g_value_set_enum (value, self->gain_control_mode);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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@ -784,6 +864,49 @@ gst_webrtc_dsp_class_init (GstWebrtcDspClass * klass)
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"Enable or disable the delay agnostic mode.",
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FALSE, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
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G_PARAM_CONSTRUCT)));
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g_object_class_install_property (gobject_class,
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PROP_TARGET_LEVEL_DBFS,
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g_param_spec_int ("target-level-dbfs", "Target Level dBFS",
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"Sets the target peak |level| (or envelope) of the gain control in "
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"dBFS (decibels from digital full-scale).",
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0, 31, DEFAULT_TARGET_LEVEL_DBFS, (GParamFlags) (G_PARAM_READWRITE |
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G_PARAM_STATIC_STRINGS | G_PARAM_CONSTRUCT)));
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g_object_class_install_property (gobject_class,
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PROP_COMPRESSION_GAIN_DB,
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g_param_spec_int ("compression-gain-db", "Compression Gain dB",
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"Sets the maximum |gain| the digital compression stage may apply, "
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"in dB.",
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0, 90, DEFAULT_COMPRESSION_GAIN_DB, (GParamFlags) (G_PARAM_READWRITE |
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G_PARAM_STATIC_STRINGS | G_PARAM_CONSTRUCT)));
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g_object_class_install_property (gobject_class,
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PROP_STARTUP_MIN_VOLUME,
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g_param_spec_int ("startup-min-volume", "Startup Minimum Volume",
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"At startup the experimental AGC moves the microphone volume up to "
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"|startup_min_volume| if the current microphone volume is set too "
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"low. No effect if experimental-agc isn't enabled.",
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12, 255, DEFAULT_STARTUP_MIN_VOLUME, (GParamFlags) (G_PARAM_READWRITE |
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G_PARAM_STATIC_STRINGS | G_PARAM_CONSTRUCT)));
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g_object_class_install_property (gobject_class,
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PROP_LIMITER,
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g_param_spec_boolean ("limiter", "Limiter",
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"When enabled, the compression stage will hard limit the signal to "
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"the target level. Otherwise, the signal will be compressed but not "
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"limited above the target level.",
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DEFAULT_LIMITER, (GParamFlags) (G_PARAM_READWRITE |
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G_PARAM_STATIC_STRINGS | G_PARAM_CONSTRUCT)));
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g_object_class_install_property (gobject_class,
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PROP_GAIN_CONTROL_MODE,
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g_param_spec_enum ("gain-control-mode", "Gain Control Mode",
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"Controls the mode of the compression stage",
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GST_TYPE_WEBRTC_GAIN_CONTROL_MODE,
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DEFAULT_GAIN_CONTROL_MODE,
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(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
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G_PARAM_CONSTRUCT)));
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}
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static gboolean
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