void
play(struct audio_chunk *new_chunk, int channel)
{
struct audio_chunk *cp;
struct audio_channel *chp;
assert(channel >= 0 && channel < AV_NUM_CHANNELS);
chp = &Channels[channel];
if (!have_audio)
return;
SDL_LockAudio();
for (cp = chp->chunk; cp; cp = cp->next)
{
if (cp == new_chunk)
{
DEBUG1("attempt to do add duplicate chunk");
av_silence(channel);
break;
}
}
new_chunk->next = NULL;
*chp->chunk_tailp = new_chunk;
SDL_UnlockAudio();
}
void
av_silence(int channel)
{
int i = channel;
if (channel == AV_ALL_CHANNELS) {
for (i = 0; i < AV_NUM_CHANNELS; ++i) {
av_silence(i);
}
} else {
assert(channel >= 0 && channel < AV_NUM_CHANNELS);
if (Channels[channel].chunk) {
SDL_LockAudio();
Channels[channel].chunk = NULL;
Channels[channel].chunk_tailp = &Channels[channel].chunk;
Channels[channel].offset = 0;
SDL_UnlockAudio();
}
}
}
void
StopVoice(void)
{
av_silence(AV_SOUND_CHANNEL);
}
void
KillVoice(void)
{
av_silence(AV_SOUND_CHANNEL);
}
void
StopAudio(char mode)
{
av_silence(AV_SOUND_CHANNEL);
}
