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Merge branch 'aec-tunables' into 'master'

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Fix up AEC gain control usage and expose some more tunables

See merge request pipewire/pipewire!2859
This commit is contained in:
Arun Raghavan 2026-06-13 01:17:17 +00:00
commit 27c562d695
1 changed files with 39 additions and 3 deletions
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42
spa/plugins/aec/aec-webrtc.cpp
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@ -51,6 +51,20 @@ static bool webrtc_get_spa_bool(const struct spa_dict *args, const char *key, bo
return default_value;
}
static void webrtc_get_spa_int(struct impl_data *impl, const struct spa_dict *args, const char *key, int *value)
{
if (auto str = spa_dict_lookup(args, key))
if (!spa_atoi32(str, value, 10))
spa_log_warn(impl->log, "Could not parse '%s'", key);
}
static void webrtc_get_spa_float(struct impl_data *impl, const struct spa_dict *args, const char *key, float *value)
{
if (auto str = spa_dict_lookup(args, key))
if (!spa_atof(str, value))
spa_log_warn(impl->log, "Could not parse '%s'", key);
}
#ifdef HAVE_WEBRTC
/* [ f0 f1 f2 ] */
static int parse_point(struct spa_json *it, float (&f)[3])
@ -201,7 +215,6 @@ static int webrtc_init2(void *object, const struct spa_dict *args,
config.high_pass_filter.enabled = high_pass_filter;
config.noise_suppression.enabled = noise_suppression;
config.noise_suppression.level = webrtc::AudioProcessing::Config::NoiseSuppression::kHigh;
// FIXME: expose pre/postamp gain
const char *str;
auto agc1_mode = webrtc::AudioProcessing::Config::GainController1::Mode::kAdaptiveDigital;
@ -218,13 +231,36 @@ static int webrtc_init2(void *object, const struct spa_dict *args,
config.gain_controller1.enabled = gain_control1;
config.gain_controller1.mode = agc1_mode;
// This must be explicitly disabled for the above mode to take effect
config.gain_controller1.analog_gain_controller.enabled = false;
config.gain_controller1.enable_limiter =
webrtc_get_spa_bool(args, "webrtc.gain_control1.enable_limiter", true);
webrtc_get_spa_int(impl, args, "webrtc.gain_control1.target_level_dbfs", &config.gain_controller1.target_level_dbfs);
webrtc_get_spa_int(impl, args, "webrtc.gain_control1.compression_gain_db", &config.gain_controller1.compression_gain_db);
config.gain_controller2.enabled = gain_control2;
config.gain_controller2.adaptive_digital.enabled =
webrtc_get_spa_bool(args, "webrtc.gain_control2.adaptive_digital", gain_control2);
spa_atof(spa_dict_lookup(args, "webrtc.gain_control2.fixed_gain_db"),
webrtc_get_spa_bool(args, "webrtc.gain_control2.adaptive_digital.enabled", gain_control2);
webrtc_get_spa_float(impl, args, "webrtc.gain_control2.adaptive_digital.headroom_db",
&config.gain_controller2.adaptive_digital.headroom_db);
webrtc_get_spa_float(impl, args, "webrtc.gain_control2.adaptive_digital.max_gain_db",
&config.gain_controller2.adaptive_digital.max_gain_db);
webrtc_get_spa_float(impl, args, "webrtc.gain_control2.adaptive_digital.initial_gain_db",
&config.gain_controller2.adaptive_digital.initial_gain_db);
webrtc_get_spa_float(impl, args, "webrtc.gain_control2.adaptive_digital.max_gain_change_db_per_second",
&config.gain_controller2.adaptive_digital.max_gain_change_db_per_second);
webrtc_get_spa_float(impl, args, "webrtc.gain_control2.adaptive_digital.max_output_noise_level_dbfs",
&config.gain_controller2.adaptive_digital.max_output_noise_level_dbfs);
webrtc_get_spa_float(impl, args, "webrtc.gain_control2.fixed_digital.gain_db",
&config.gain_controller2.fixed_digital.gain_db);
config.capture_level_adjustment.enabled =
webrtc_get_spa_bool(args, "webrtc.capture_level_adjust.enabled", false);
webrtc_get_spa_float(impl, args, "webrtc.capture_level_adjust.pre_gain_factor",
&config.capture_level_adjustment.pre_gain_factor);
webrtc_get_spa_float(impl, args, "webrtc.capture_level_adjust.post_gain_factor",
&config.capture_level_adjustment.post_gain_factor);
#endif
#if defined(HAVE_WEBRTC) || defined(HAVE_WEBRTC1)