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[win] bug #1658288 - crashes when sound is disabled

This commit is contained in:
zeromus 2007-08-30 08:10:32 +00:00
parent fa5503ef9a
commit 67956c9f2c
1 changed files with 35 additions and 14 deletions
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49
src/drivers/win/sound.cpp
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@ -249,12 +249,40 @@ public:
}
};
//todo - a properly synchronized method ShouldntTouchSound() which is totally safe (use mutexes) and use that to guard all sound code
//also add an alternate timer-based throttler for when sound is disabled
static Player *player;
static Player8 *player8;
static bool trashPending = false;
void TrashSound() {
trashPending = true;
}
void DoTrashSound() {
if(dsout) delete dsout;
if(player) delete player;
dsout = 0;
player = 0;
trashPending = false;
}
bool CheckTrashSound() {
if(trashPending)
{
DoTrashSound();
return true;
}
else return false;
}
void win_Throttle() {
player->throttle();
if(CheckTrashSound()) return;
if(player)
player->throttle();
}
void win_SoundInit(int bits) {
@ -277,14 +305,6 @@ void win_SoundInit(int bits) {
dsout->unlock();
}
void TrashSound() {
if(dsout) delete dsout;
if(player) delete player;
dsout = 0;
player = 0;
}
int InitSound() {
if(soundoptions&SO_FORCE8BIT)
@ -308,14 +328,15 @@ int InitSound() {
void win_SoundSetScale(int scale) {
player->scale = scale;
if(CheckTrashSound()) return;
if(player)
player->scale = scale;
}
void win_SoundWriteData(int32 *buffer, int count) {
//todo..
// FCEUI_AviSoundUpdate((void*)MBuffer, Count);
//mbg 8/30/07 - this used to be done here, but now its gtting called from somewhere else...
//FCEUI_AviSoundUpdate((void*)MBuffer, Count);
if(CheckTrashSound()) return;
void *tempbuf = alloca(2*count);
short *sbuf = (short *)tempbuf;
for(int i=0;i<count;i++)