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add a new gain control setting

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git-svn-id: svn+ssh://svn.savannah.nongnu.org/linphone/trunk@418 3f6dc0c8-ddfe-455d-9043-3cd528dc4637
This commit is contained in:
smorlat 2009-04-15 06:41:24 +00:00
parent dce78b75ee
commit de16131f6f
3 changed files with 34 additions and 6 deletions
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10
linphone/coreapi/linphonecore.c
View file

@ -1417,11 +1417,16 @@ int linphone_core_change_qos(LinphoneCore *lc, int answer)
void linphone_core_init_media_streams(LinphoneCore *lc){
lc->audiostream=audio_stream_new(linphone_core_get_audio_port(lc),linphone_core_ipv6_enabled(lc));
if (linphone_core_echo_limiter_enabled(lc)){
const char * type=lp_config_get_string(lc->config,"sound","el_type","mic");
const char *type=lp_config_get_string(lc->config,"sound","el_type","mic");
float gain=lp_config_get_float(lc->config,"sound","mic_gain",-1);
if (strcasecmp(type,"mic")==0)
audio_stream_enable_echo_limiter(lc->audiostream,ELControlMic);
else if (strcasecmp(type,"speaker")==0)
audio_stream_enable_echo_limiter(lc->audiostream,ELControlSpeaker);
if (gain>0){
audio_stream_enable_gain_control(lc->audiostream,TRUE);
}
}
#ifdef VIDEO_ENABLED
if (lc->video_conf.display || lc->video_conf.capture)
@ -1443,6 +1448,7 @@ static void post_configure_audio_streams(LinphoneCore *lc){
float speed=lp_config_get_float(lc->config,"sound","el_speed",-1);
float thres=lp_config_get_float(lc->config,"sound","el_thres",-1);
float force=lp_config_get_float(lc->config,"sound","el_force",-1);
float gain=lp_config_get_float(lc->config,"sound","mic_gain",-1);
MSFilter *f=NULL;
if (st->el_type==ELControlMic){
f=st->volsend;
@ -1463,6 +1469,8 @@ static void post_configure_audio_streams(LinphoneCore *lc){
ms_filter_call_method(f,MS_VOLUME_SET_EA_THRESHOLD,&thres);
if (force!=-1)
ms_filter_call_method(f,MS_VOLUME_SET_EA_FORCE,&force);
if (gain!=-1)
ms_filter_call_method(st->volsend,MS_VOLUME_SET_GAIN,&gain);
}
if (lc->vtable.dtmf_received!=NULL){
/* replace by our default action*/

8
linphone/mediastreamer2/include/mediastreamer2/mediastream.h
View file

@ -52,6 +52,7 @@ struct _AudioStream
time_t last_packet_time;
EchoLimiterType el_type; /*use echo limiter: two MSVolume, measured input level controlling local output level*/
bool_t play_dtmfs;
bool_t use_gc;
};
#ifdef __cplusplus
@ -101,7 +102,12 @@ bool_t audio_stream_alive(AudioStream * stream, int timeout);
/*enable echo-limiter dispositve: one MSVolume in input branch controls a MSVolume in the output branch*/
void audio_stream_enable_echo_limiter(AudioStream *stream, EchoLimiterType type);
/* stop the above process*/
/*enable gain control, to be done before start() */
void audio_stream_enable_gain_control(AudioStream *stream, bool_t val);
void audio_stream_set_mic_gain(AudioStream *stream, float gain);
/* stop the audio streaming thread and free everything*/
void audio_stream_stop (AudioStream * stream);
RingStream *ring_start (const char * file, int interval, MSSndCard *sndcard);

22
linphone/mediastreamer2/src/audiostream.c
View file

@ -247,12 +247,14 @@ int audio_stream_start_full(AudioStream *stream, RtpProfile *profile, const char
ms_filter_call_method(stream->ec,MS_FILTER_SET_SAMPLE_RATE,&pt->clock_rate);
}
if (stream->el_type!=ELInactive){
if (stream->el_type!=ELInactive || stream->use_gc){
stream->volsend=ms_filter_new(MS_VOLUME_ID);
stream->volrecv=ms_filter_new(MS_VOLUME_ID);
if (stream->el_type==ELControlSpeaker)
ms_filter_call_method(stream->volrecv,MS_VOLUME_SET_PEER,stream->volsend);
else ms_filter_call_method(stream->volsend,MS_VOLUME_SET_PEER,stream->volrecv);
if (stream->el_type!=ELInactive){
if (stream->el_type==ELControlSpeaker)
ms_filter_call_method(stream->volrecv,MS_VOLUME_SET_PEER,stream->volsend);
else ms_filter_call_method(stream->volsend,MS_VOLUME_SET_PEER,stream->volrecv);
}
}
/* give the sound filters some properties */
@ -379,6 +381,7 @@ AudioStream *audio_stream_new(int locport, bool_t ipv6){
stream->session=create_duplex_rtpsession(locport,ipv6);
stream->rtpsend=ms_filter_new(MS_RTP_SEND_ID);
stream->play_dtmfs=TRUE;
stream->use_gc=FALSE;
return stream;
}
@ -399,6 +402,17 @@ void audio_stream_enable_echo_limiter(AudioStream *stream, EchoLimiterType type)
stream->el_type=type;
}
void audio_stream_enable_gain_control(AudioStream *stream, bool_t val){
stream->use_gc=val;
}
void audio_stream_set_mic_gain(AudioStream *stream, float gain){
if (stream->volsend){
ms_filter_call_method(stream->volsend,MS_VOLUME_SET_GAIN,&gain);
}else ms_warning("Could not apply gain: gain control wasn't activated. "
"Use audio_stream_enable_gain_control() before starting the stream.");
}
void audio_stream_stop(AudioStream * stream)
{
if (stream->ticker){