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winsnd2 device poller.

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git-svn-id: svn+ssh://svn.savannah.nongnu.org/linphone/trunk@568 3f6dc0c8-ddfe-455d-9043-3cd528dc4637
This commit is contained in:
smorlat 2009-08-12 14:39:20 +00:00
parent 2afe392c08
commit c0b87b35a9
1 changed files with 62 additions and 2 deletions
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64
linphone/mediastreamer2/src/winsnd2.c
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@ -50,6 +50,7 @@ static MSFilter *ms_winsnd_write_new(MSSndCard *card);
typedef struct WinSndCard{
int in_devid;
int out_devid;
int removed;
}WinSndCard;
static void winsndcard_set_level(MSSndCard *card, MSSndCardMixerElem e, int percent){
@ -658,6 +659,7 @@ static int winsndcard_get_control(MSSndCard *card, MSSndCardControlElem e){
static void winsndcard_init(MSSndCard *card){
WinSndCard *c=(WinSndCard *)ms_new(WinSndCard,1);
c->removed=0;
card->data=c;
}
@ -715,7 +717,7 @@ static void add_or_update_card(MSSndCardManager *m, const char *name, int indev,
d->in_devid=indev;
if (outdev!=-1)
d->out_devid=outdev;
d->removed=0;
return;
}
}
@ -723,7 +725,8 @@ static void add_or_update_card(MSSndCardManager *m, const char *name, int indev,
ms_snd_card_manager_add_card(m,winsndcard_new(name,indev,outdev,capability));
}
static void winsndcard_detect(MSSndCardManager *m){
static void _winsndcard_detect(MSSndCardManager *m){
MMRESULT mr = NOERROR;
unsigned int nOutDevices = waveOutGetNumDevs ();
unsigned int nInDevices = waveInGetNumDevs ();
@ -767,6 +770,63 @@ static void winsndcard_detect(MSSndCardManager *m){
}
}
static void deactivate_removed_cards(MSSndCardManager *m){
MSSndCard *card;
const MSList *elem=ms_snd_card_manager_get_list(m);
for(;elem!=NULL;elem=elem->next){
card=(MSSndCard*)elem->data;
if (strcmp(card->desc->driver_type, winsnd_card_desc.driver_type)==0
&& strcmp(card->name,name)==0){
/*mark all cards as potentially removed, detect will check them immediately after */
WinSndCard *d=(WinSndCard*)card->data;
if (d->removed) card->capabilities=0;
}
}
}
static void mark_as_removed(MSSndCardManager *m){
MSSndCard *card;
const MSList *elem=ms_snd_card_manager_get_list(m);
for(;elem!=NULL;elem=elem->next){
card=(MSSndCard*)elem->data;
if (strcmp(card->desc->driver_type, winsnd_card_desc.driver_type)==0
&& strcmp(card->name,name)==0){
/*mark all cards as potentially removed, detect will check them immediately after */
WinSndCard *d=(WinSndCard*)card->data;
d->removed=1;
}
}
}
static ms_thread_t poller_thread;
static bool_t poller_running=TRUE;
static void * new_device_polling_thread(void *ignore){
MSSndCardManager *m;
/*check for new devices every 2 seconds*/
while(poller_running){
ms_sleep(2000);
if (poller_running){
m=ms_snd_card_manager_get();
if(!m) break;
mark_as_removed(m);
_winsndcard_detect(m);
deactivate_removed_cards(m);
}
}
return NULL;
}
static void stop_poller(){
poller_running=false;
ms_thread_join(poller_thread);
}
static void winsndcard_detect(MSSndCardManager *m){
_winsndcard_detect(m);
ms_thread_create(&poller_thread,NULL,new_device_polling_thread,NULL);
atexit(&stop_poller);
}
typedef struct WinSnd{
int dev_id;