/**
** Mix channels to stereo 32 bit.
**
** @param buffer Buffer for mixed samples.
** @param size Number of samples that fits into buffer.
**
** @return How many channels become free after mixing them.
*/
static int MixChannelsToStereo32(int *buffer, int size)
{
int new_free_channels = 0;
for (int channel = 0; channel < MaxChannels; ++channel) {
if (Channels[channel].Playing && Channels[channel].Sample) {
//Wyrmgus start
if ((Channels[channel].Point & 1)) {
fprintf(stderr, "Sound effect error; Index: %d, Voice: %d, Origin: \"%s\", Sample Length: %d, Sample Filename: \"%s\"\n", Channels[channel].Point, Channels[channel].Voice, (Channels[channel].Unit && Channels[channel].Unit->Base) ? UnitManager.GetSlotUnit(Channels[channel].Unit->Id).Type->Ident.c_str() : "", Channels[channel].Sample->Len, Channels[channel].Sample->File.c_str());
}
//Wyrmgus end
int i = MixSampleToStereo32(Channels[channel].Sample,
Channels[channel].Point, Channels[channel].Volume,
Channels[channel].Stereo, buffer, size);
Channels[channel].Point += i;
Assert(Channels[channel].Point <= Channels[channel].Sample->Len);
if (Channels[channel].Point == Channels[channel].Sample->Len) {
ChannelFinished(channel);
++new_free_channels;
}
}
}
return new_free_channels;
}
/**
** Stop all channels
*/
void StopAllChannels()
{
SDL_LockMutex(Audio.Lock);
for (int i = 0; i < MaxChannels; ++i) {
if (Channels[i].Playing) {
ChannelFinished(i);
}
}
SDL_UnlockMutex(Audio.Lock);
}
/**
** Stop a channel
**
** @param channel Channel to stop
*/
void StopChannel(int channel)
{
SDL_LockMutex(Audio.Lock);
if (channel >= 0 && channel < MaxChannels) {
if (Channels[channel].Playing) {
ChannelFinished(channel);
}
}
SDL_UnlockMutex(Audio.Lock);
}
/**
** Mix channels to stereo 32 bit.
**
** @param buffer Buffer for mixed samples.
** @param size Number of samples that fits into buffer.
**
** @return How many channels become free after mixing them.
*/
static int MixChannelsToStereo32(int *buffer, int size)
{
int new_free_channels = 0;
for (int channel = 0; channel < MaxChannels; ++channel) {
if (Channels[channel].Playing && Channels[channel].Sample) {
int i = MixSampleToStereo32(Channels[channel].Sample,
Channels[channel].Point, Channels[channel].Volume,
Channels[channel].Stereo, buffer, size);
Channels[channel].Point += i;
Assert(Channels[channel].Point <= Channels[channel].Sample->Len);
if (Channels[channel].Point == Channels[channel].Sample->Len) {
ChannelFinished(channel);
++new_free_channels;
}
}
}
return new_free_channels;
}
