Add call to new method audio_stream_enable_mic, and flag...

Add call to new method audio_stream_enable_mic, and flag disable_record_on_mute to the core configuration

coreapi/linphonecore.c

@@ -1401,7 +1401,7 @@ static void sound_config_read(LinphoneCore *lc) {
 
 	linphone_core_set_playback_gain_db (lc,linphone_config_get_float(lc->config,"sound","playback_gain_db",0));
 	linphone_core_set_mic_gain_db (lc,linphone_config_get_float(lc->config,"sound","mic_gain_db",0));
-
+	linphone_core_set_disable_record_on_mute(lc, linphone_config_get_bool(lc->config,"sound","disable_record_on_mute", FALSE));
 	linphone_core_set_remote_ringback_tone (lc,linphone_config_get_string(lc->config,"sound","ringback_tone",NULL));
 
 	/*just parse requested stream feature once at start to print out eventual errors*/
@@ -4691,6 +4691,18 @@ void linphone_core_set_mic_gain_db (LinphoneCore *lc, float gaindb){
 	audio_stream_set_mic_gain_db(st,gain);
 }
 
+bool_t linphone_core_get_disable_record_on_mute(LinphoneCore *lc) {
+	return lc->sound_conf.disable_record_on_mute;
+}
+
+void linphone_core_set_disable_record_on_mute(LinphoneCore *lc, bool_t disable) {
+	lc->sound_conf.disable_record_on_mute = disable;
+	
+	if (linphone_core_ready(lc)){
+		linphone_config_set_bool(lc->config,"sound","disable_record_on_mute",lc->sound_conf.disable_record_on_mute);
+	}
+}
+
 float linphone_core_get_mic_gain_db(LinphoneCore *lc) {
 	return lc->sound_conf.soft_mic_lev;
 }
@@ -6525,13 +6537,14 @@ static void sound_config_uninit(LinphoneCore *lc)
 	linphone_config_set_string(lc->config,"sound","remote_ring",config->remote_ring);
 	linphone_config_set_float(lc->config,"sound","playback_gain_db",config->soft_play_lev);
 	linphone_config_set_float(lc->config,"sound","mic_gain_db",config->soft_mic_lev);
-
+	linphone_config_set_bool(lc->config,"sound","disable_record_on_mute",config->disable_record_on_mute);
+	
 	if (config->local_ring) ms_free(config->local_ring);
 	if (config->remote_ring) ms_free(config->remote_ring);
 	lc->tones=bctbx_list_free_with_data(lc->tones, (void (*)(void*))linphone_tone_description_destroy);
 	lc->sound_conf = {0};
 }
-
+    
 static void video_config_uninit(LinphoneCore *lc)
 {
 	const LinphoneVideoDefinition *vdef = linphone_core_get_preferred_video_definition(lc);

coreapi/private_structs.h

@@ -312,6 +312,7 @@ struct sound_config
 	bool_t ec;
 	bool_t ea;
 	bool_t agc;
+	bool_t disable_record_on_mute;
 };
 
 struct codecs_config

include/linphone/core.h

@@ -2428,6 +2428,28 @@ LINPHONE_PUBLIC void linphone_core_set_mic_gain_db(LinphoneCore *core, float lev
 **/
 LINPHONE_PUBLIC float linphone_core_get_mic_gain_db(LinphoneCore *core);
 
+/**
+ * Calling this method with disable=true will cause the microhone to be completely deactivated when muted,
+ * when given possible by the implementation on the platform on which liblinphone is running.
+ * Otherwise, sound recording remains active but silence is sent instead of recorded audio.
+ * Playback sound will be briefly interrupted while the audio is reconfigured.
+ * Currently only implemented for IOS, it will also disable Apple's microphone recording indicator when microphone is muted.
+ *
+ * @param core #LinphoneCore object @notnil
+ * @param disable True if you wish to entirely stop the audio recording when muting the microphone.
+ * @ingroup media_parameters
+ */
+LINPHONE_PUBLIC void linphone_core_set_disable_record_on_mute(LinphoneCore *core, bool_t disable);
+
+/**
+ * Get whether the microphone will be completely deactivated when muted. Please refer to linphone_core_set_disable_record_on_mute().
+ *
+ * @param core #LinphoneCore object @notnil
+ * @return  True if you wish to entirely stop the audio recording when muting the microphone.
+ * @ingroup media_parameters
+ */
+LINPHONE_PUBLIC bool_t linphone_core_get_disable_record_on_mute(LinphoneCore *core);
+
 /**
  * Allow to control play level before entering sound card:  gain in db
  * @param core #LinphoneCore object @notnil

src/conference/session/audio-stream.cpp

@@ -47,7 +47,8 @@ LINPHONE_BEGIN_NAMESPACE
 MS2AudioStream::MS2AudioStream(StreamsGroup &sg, const OfferAnswerContext &params) : MS2Stream(sg, params){
 	string bindIp = getBindIp();
 	mStream = audio_stream_new2(getCCore()->factory, bindIp.empty() ? nullptr : bindIp.c_str(), mPortConfig.rtpPort, mPortConfig.rtcpPort);
-
+	mStream->disable_record_on_mute = getCCore()->sound_conf.disable_record_on_mute;
+	
 	/* Initialize zrtp even if we didn't explicitely set it, just in case peer offers it */
 	if (linphone_core_media_encryption_supported(getCCore(), LinphoneMediaEncryptionZRTP)) {
 		LinphoneCallLog *log = getMediaSession().getLog();
@@ -472,7 +473,7 @@ void MS2AudioStream::stop(){
 	}
 	audio_stream_stop(mStream);
 
-	/* In mediastreamer2, stop actually stops and destroys. We immediately need to recreate the stream object for later use, keeping the 
+	/* In mediastreamer2, stop actually stops and destroys. We immediately need to recreate the stream object for later use, keeping the
 	 * sessions (for RTP, SRTP, ZRTP etc) that were setup at the beginning. */
 	mStream = audio_stream_new_with_sessions(getCCore()->factory, &mSessions);
 	getMediaSessionPrivate().getCurrentParams()->getPrivate()->setUsedAudioCodec(nullptr);
@@ -549,11 +550,8 @@ void MS2AudioStream::parameterizeEqualizer(AudioStream *as, LinphoneCore *lc) {
 }
 
 void MS2AudioStream::postConfigureAudioStream(AudioStream *as, LinphoneCore *lc, bool muted){
-	float micGain = lc->sound_conf.soft_mic_lev;
-	if (muted)
-		audio_stream_set_mic_gain(as, 0);
-	else
-		audio_stream_set_mic_gain_db(as, micGain);
+	audio_stream_enable_mic(as, !muted);
+	
 	float recvGain = lc->sound_conf.soft_play_lev;
 	if (static_cast<int>(recvGain)){
 		if (as->volrecv)
@@ -590,6 +588,7 @@ void MS2AudioStream::postConfigureAudioStream(AudioStream *as, LinphoneCore *lc,
 	}
 	if (as->volrecv) {
 		/* Parameters for a limited noise-gate effect, using echo limiter threshold */
+		float micGain = lc->sound_conf.soft_mic_lev;
 		float floorGain = (float)(1 / pow(10, micGain / 10));
 		int spkAgc = linphone_config_get_int(config, "sound", "speaker_agc_enabled", 0);
 		MSFilter *f = as->volrecv;
@@ -643,11 +642,7 @@ void MS2AudioStream::handleEvent(const OrtpEvent *ev){
 
 void MS2AudioStream::enableMic(bool value){
 	mMicMuted = !value;
-
-	if (mMicMuted)
-		audio_stream_set_mic_gain(mStream, 0);
-	else
-		audio_stream_set_mic_gain_db(mStream, getCCore()->sound_conf.soft_mic_lev);
+	audio_stream_enable_mic(mStream, value);
 }
 
 bool MS2AudioStream::micEnabled()const{