#define DEFAULT_FILTER_SIZE_MS 200
#define DEFAULT_AGC_ENABLED true
#define DEFAULT_DENOISE_ENABLED true
+#define DEFAULT_DEREVERB_ENABLED true
#define DEFAULT_ECHO_SUPPRESS_ENABLED true
#define DEFAULT_ECHO_SUPPRESS_ATTENUATION 0
"filter_size_ms",
"agc",
"denoise",
+ "dereverb",
"echo_suppress",
"echo_suppress_attenuation",
"echo_suppress_attenuation_active",
static bool pa_speex_ec_preprocessor_init(pa_echo_canceller *ec, pa_sample_spec *out_ss, uint32_t nframes, pa_modargs *ma) {
bool agc;
bool denoise;
+ bool dereverb;
bool echo_suppress;
int32_t echo_suppress_attenuation;
int32_t echo_suppress_attenuation_active;
goto fail;
}
+ dereverb = DEFAULT_DEREVERB_ENABLED;
+ if (pa_modargs_get_value_boolean(ma, "dereverb", &dereverb) < 0) {
+ pa_log("Failed to parse dereverb value");
+ goto fail;
+ }
+
echo_suppress = DEFAULT_ECHO_SUPPRESS_ENABLED;
if (pa_modargs_get_value_boolean(ma, "echo_suppress", &echo_suppress) < 0) {
pa_log("Failed to parse echo_suppress value");
goto fail;
}
- if (agc || denoise || echo_suppress) {
+ if (agc || denoise || dereverb || echo_suppress) {
spx_int32_t tmp;
if (out_ss->channels != 1) {
- pa_log("AGC, denoising and echo suppression only work with channels=1");
+ pa_log("AGC, denoising, dereverb and echo suppression only work with channels=1");
goto fail;
}
tmp = denoise;
speex_preprocess_ctl(ec->params.speex.pp_state, SPEEX_PREPROCESS_SET_DENOISE, &tmp);
+ tmp = dereverb;
+ speex_preprocess_ctl(ec->params.speex.pp_state, SPEEX_PREPROCESS_SET_DEREVERB, &tmp);
+
if (echo_suppress) {
if (echo_suppress_attenuation)
speex_preprocess_ctl(ec->params.speex.pp_state, SPEEX_PREPROCESS_SET_ECHO_SUPPRESS,
speex_preprocess_ctl(ec->params.speex.pp_state, SPEEX_PREPROCESS_SET_ECHO_STATE,
ec->params.speex.state);
- pa_log_info("Loaded speex preprocessor with params: agc=%s, denoise=%s, echo_suppress=%s", pa_yes_no(agc),
- pa_yes_no(denoise), pa_yes_no(echo_suppress));
+ pa_log_info("Loaded speex preprocessor with params: agc=%s, denoise=%s, dereverb=%s, echo_suppress=%s",
+ pa_yes_no(agc), pa_yes_no(denoise), pa_yes_no(dereverb), pa_yes_no(echo_suppress));
} else
pa_log_info("All preprocessing options are disabled");