Commit df42f0d7 authored by Ghislain MARY's avatar Ghislain MARY
Browse files

More generic handling of sampling rate of echo canceller according to the codec sampling rate.

parent 29d408d0
......@@ -392,10 +392,17 @@ int audio_stream_start_full(AudioStream *stream, RtpProfile *profile, const char
/* check echo canceller max frequency and adjust sampling rate if needed when codec used is opus */
if (stream->ec!=NULL) {
if ((ms_filter_get_id(stream->ms.encoder) == MS_OPUS_ENC_ID) && (strcmp(ms_filter_get_name(stream->ec), "MSWebRTCAEC") == 0)) { /* AECM allow 8000 or 16000 Hz or it will be bypassed */
if (sample_rate>16000) {
ms_message("Sampling rate forced to 16kHz to allow the use of WebRTC AECM (Echo canceller)");
int ec_sample_rate = sample_rate;
ms_filter_call_method(stream->ec, MS_FILTER_SET_SAMPLE_RATE, &sample_rate);
ms_filter_call_method(stream->ec, MS_FILTER_GET_SAMPLE_RATE, &ec_sample_rate);
if (sample_rate != ec_sample_rate) {
if (ms_filter_get_id(stream->ms.encoder) == MS_OPUS_ENC_ID) {
sample_rate = ec_sample_rate;
ms_message("Sampling rate forced to %iHz to allow the use of echo canceller", sample_rate);
} else {
ms_warning("Echo canceller does not support sampling rate %iHz, so it has been disabled", sample_rate);
stream->ec = NULL;
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