Hi,
You can start with the following and search for the defines in the Palm
SDK. I could not find any documentation except for what is in the headers:(.
static int SetOutputPort(char index){
UInt16 libRef;
int err;
err = SysLibLoad(hsSoundLibTypeID,
hsSoundLibCreatorID, &libRef);
HsSndOpen(libRef);
/*
if (index == 0) {
HsSndSwitchSetPort(libRef, hsSndSwitchID_InHostPlay,
hsSndPortID_OutHeadphones, hsSndPortClass_Real);
}
else if (index == 1) {
HsSndSwitchSetPort(libRef, hsSndSwitchID_InHostPlay,
hsSndPortID_OutSpeaker, hsSndPortClass_Real);
}
else if (index == 2) {
HsSndSwitchSetPort(libRef, hsSndSwitchID_InHostPlay,
hsSndPortID_OutSpeakerAuto, hsSndPortClass_Real);
}
*/
HsSndSwitchSetPort(libRef, hsSndSwitchID_InHostPlay,
hsSndPortID_OutSpeaker, hsSndPortClass_Real);
HsSndSwitchSetPort(libRef, hsSndSwitchID_InRadioSpkr,
hsSndPortID_OutReceiver, hsSndPortClass_Real);
/*
HsSndSwitchSetPort(libRef, hsSndSwitchID_InRadioSpkr,
hsSndPortID_OutSpeaker, hsSndPortClass_BaseDefault);
*/
HsSndSwitchSetPort(libRef, hsSndSwitchID_OutRadioMic,
hsSndPortID_InBaseMic, hsSndPortClass_Real);
HsSndClose(libRef);
return(1);
}
Hope it helps.
Regards,
Miro Pomsar
Christopher Stamper wrote:
I'm trying to make an application (NOT for Treo/Cent) that can make an OS 5
pda output sounds, such as MP3's, out of the headhone jack *ONLY*. So if,
when playing an MP3 w/ ptunes, you unplug the headphones, it will *not* play
through the speaker.
I don't want to make a player, just a small application that can 'disable'
the speaker. Maybe even for individual apps, though that's not too
important.
Is that possible?
(I think not, but...)
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