Add mic gain db getter/setter

[linphone] / coreapi / linphonecore.c

diff --git a/coreapi/linphonecore.c b/coreapi/linphonecore.c
index 8de92f23b94d0dac90bd431f54a0163481bc75f7..1af9b08ca3d20307c5e49dd1c2ab7e5e81aa0ff7 100644 (file)
--- a/coreapi/linphonecore.c
+++ b/coreapi/linphonecore.c
@@ -24,6 +24,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 #include "lpconfig.h"
 #include "private.h"
 
+#include <math.h>
 #include <ortp/telephonyevents.h>
 #include <ortp/zrtp.h>
 #include "mediastreamer2/mediastream.h"
@@ -425,7 +426,6 @@ static void sound_config_read(LinphoneCore *lc)
        int tmp;
        const char *tmpbuf;
        const char *devid;
-       float gain=0;
 #ifdef __linux
        /*alsadev let the user use custom alsa device within linphone*/
        devid=lp_config_get_string(lc->config,"sound","alsadev",NULL);
@@ -497,8 +497,8 @@ static void sound_config_read(LinphoneCore *lc)
        linphone_core_enable_agc(lc,
                lp_config_get_int(lc->config,"sound","agc",0));
 
-       gain=lp_config_get_float(lc->config,"sound","playback_gain_db",0);
-       linphone_core_set_playback_gain_db (lc,gain);
+       linphone_core_set_playback_gain_db (lc,lp_config_get_float(lc->config,"sound","playback_gain_db",0));
+       linphone_core_set_mic_gain_db (lc,lp_config_get_float(lc->config,"sound","mic_gain_db",0));
 
        linphone_core_set_remote_ringback_tone (lc,lp_config_get_string(lc->config,"sound","ringback_tone",NULL));
 
@@ -3307,6 +3307,36 @@ void linphone_core_set_ring_level(LinphoneCore *lc, int level){
        if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_PLAYBACK,level);
 }
 
+/**
+ * Allow to control microphone level:  gain in db
+ *
+ * @ingroup media_parameters
+**/
+void linphone_core_set_mic_gain_db (LinphoneCore *lc, float gaindb){
+       float gain=gaindb;
+       LinphoneCall *call=linphone_core_get_current_call (lc);
+       AudioStream *st;
+
+       lc->sound_conf.soft_mic_lev=gaindb;
+
+       if (call==NULL || (st=call->audiostream)==NULL){
+               ms_message("linphone_core_set_mic_gain_db(): no active call.");
+               return;
+       }
+       if (st->volrecv){
+               ms_filter_call_method(st->volsend,MS_VOLUME_SET_DB_GAIN,&gain);
+       }else ms_warning("Could not apply gain: gain control wasn't activated.");
+}
+
+/**
+ * Get microphone gain in db.
+ *
+ * @ingroup media_parameters
+**/
+float linphone_core_get_mic_gain_db(LinphoneCore *lc) {
+       return lc->sound_conf.soft_mic_lev;
+}
+
 /**
  * Allow to control play level before entering sound card:  gain in db
  *
@@ -3718,7 +3748,7 @@ void linphone_core_mute_mic(LinphoneCore *lc, bool_t val){
        }
        if (st!=NULL){
                audio_stream_set_mic_gain(st,
-                       (val==TRUE) ? 0 : lp_config_get_float(lc->config,"sound","mic_gain",1));
+                       (val==TRUE) ? 0 : pow(10,lc->sound_conf.soft_mic_lev/10));
                if ( linphone_core_get_rtp_no_xmit_on_audio_mute(lc) ){
                        audio_stream_mute_rtp(st,val);
                }
@@ -4704,6 +4734,8 @@ static void sound_config_uninit(LinphoneCore *lc)
        ms_free(config->cards);
 
        lp_config_set_string(lc->config,"sound","remote_ring",config->remote_ring);
+       lp_config_set_float(lc->config,"sound","playback_gain_db",config->soft_play_lev);
+       lp_config_set_float(lc->config,"sound","mic_gain_db",config->soft_mic_lev);
 
        if (config->local_ring) ms_free(config->local_ring);
        if (config->remote_ring) ms_free(config->remote_ring);