/*
==================
S_ClearSoundBuffer
If we are about to perform file access, clear the buffer
so sound doesn't stutter.
==================
*/
void S_ClearSoundBuffer( void ) {
int clear;
if (!s_soundStarted)
return;
// stop looping sounds
Com_Memset(loopSounds, 0, MAX_GENTITIES*sizeof(loopSound_t));
Com_Memset(loop_channels, 0, MAX_CHANNELS*sizeof(channel_t));
numLoopChannels = 0;
S_ChannelSetup();
s_rawend = 0;
if (dma.samplebits == 8)
clear = 0x80;
else
clear = 0;
SNDDMA_BeginPainting ();
if (dma.buffer)
// TTimo: due to a particular bug workaround in linux sound code,
// have to optionally use a custom C implementation of Com_Memset
// not affecting win32, we have #define Snd_Memset Com_Memset
// https://zerowing.idsoftware.com/bugzilla/show_bug.cgi?id=371
Snd_Memset(dma.buffer, clear, dma.samples * dma.samplebits/8);
SNDDMA_Submit ();
}
/*
==================
S_ClearSoundBuffer
If we are about to perform file access, clear the buffer
so sound doesn't stutter.
==================
*/
void S_Base_ClearSoundBuffer( void ) {
int clear;
if (!s_soundStarted)
return;
// stop looping sounds
Com_Memset(loopSounds, 0, MAX_GENTITIES*sizeof(loopSound_t));
Com_Memset(loop_channels, 0, MAX_CHANNELS*sizeof(channel_t));
numLoopChannels = 0;
S_ChannelSetup();
Com_Memset(s_rawend, '\0', sizeof (s_rawend));
if (dma.samplebits == 8)
clear = 0x80;
else
clear = 0;
SNDDMA_BeginPainting ();
if (dma.buffer)
Com_Memset(dma.buffer, clear, dma.samples * dma.samplebits/8);
SNDDMA_Submit ();
}
void S_Base_ClearSounds(qboolean clearStreaming, qboolean clearMusic)
{
if (!s_soundStarted)
{
return;
}
// stop looping sounds
Com_Memset(loopSounds, 0, MAX_LOOP_SOUNDS * sizeof(loopSound_t));
Com_Memset(loop_channels, 0, MAX_CHANNELS * sizeof(channel_t));
numLoopChannels = 0;
numLoopSounds = 0;
// moved this up so streaming sounds dont get updated with the music, below,
// and leave us with a snippet off streaming sounds after we reload
if (clearStreaming)
{
int i;
streamingSound_t *ss;
channel_t *ch;
for (i = 0, ss = streamingSounds; i < MAX_STREAMING_SOUNDS; i++, ss++)
{
if (i > 0 || clearMusic)
{
S_StopStreamingSound(i);
}
}
// we should also kill all channels, since we are killing streaming sounds anyway
// (fixes siren in forest playing after a map_restart/loadgame
ch = s_channels;
for (i = 0; i < MAX_CHANNELS; i++, ch++)
{
if (ch->thesfx)
{
S_ChannelFree(ch);
}
}
}
if (!clearMusic)
{
S_UpdateStreamingSounds();
}
if (clearStreaming && clearMusic)
{
int clear;
if (dma.samplebits == 8)
{
clear = 0x80;
}
else
{
clear = 0;
}
SNDDMA_BeginPainting();
if (dma.buffer)
{
Com_Memset(dma.buffer, clear, dma.samples * dma.samplebits / 8);
}
SNDDMA_Submit();
// clear out channels so they don't finish playing when audio restarts
S_ChannelSetup();
}
}
