OggVorbis_File ogg; // OggVorbis file
public unsafe virtual void Decode(SoundSample sample, int sampleOffset44k, int sampleCount44k, float *dest)
{
if (sample.objectInfo.wFormatTag != lastFormat || sample != lastSample)
{
ClearDecoder();
}
lastDecodeTime = soundSystemLocal.CurrentSoundTime;
if (failed)
{
UnsafeX.InitBlock(dest, 0, sampleCount44k * sizeof(float)); return;
}
// samples can be decoded both from the sound thread and the main thread for shakes
ISystem.EnterCriticalSection(CRITICAL_SECTION.SECTION_ONE);
var readSamples44k = sample.objectInfo.wFormatTag switch
{
WAVE_FORMAT_TAG.PCM => DecodePCM(sample, sampleOffset44k, sampleCount44k, dest),
WAVE_FORMAT_TAG.OGG => DecodeOGG(sample, sampleOffset44k, sampleCount44k, dest),
_ => 0,
};
ISystem.LeaveCriticalSection(CRITICAL_SECTION.SECTION_ONE);
if (readSamples44k < sampleCount44k)
{
UnsafeX.InitBlock(dest + readSamples44k, 0, (sampleCount44k - readSamples44k) * sizeof(float));
}
}
public virtual void ClearDecoder()
{
ISystem.EnterCriticalSection(CRITICAL_SECTION.SECTION_ONE);
switch (lastFormat)
{
case WAVE_FORMAT_TAG.PCM: break;
case WAVE_FORMAT_TAG.OGG: ov_clear(ogg); ogg.memset(); break;
}
Clear();
ISystem.LeaveCriticalSection(CRITICAL_SECTION.SECTION_ONE);
}
unsafe int OpenOGG(string strFileName, out WaveformatEx pwfx)
{
pwfx = default;
mhmmio = fileSystem.OpenFileRead(strFileName);
if (mhmmio == null)
{
return(-1);
}
ISystem.EnterCriticalSection(CRITICAL_SECTION.SECTION_ONE);
var ov = new OggVorbis_File();
if (OggVorbis.ov_openFile(mhmmio, ov) < 0)
{
ISystem.LeaveCriticalSection(CRITICAL_SECTION.SECTION_ONE); fileSystem.CloseFile(mhmmio); mhmmio = null; return(-1);
}
mfileTime = mhmmio.Timestamp;
var vi = ov_info(ov, -1);
mpwfx.Format.nSamplesPerSec = (int)vi->rate;
mpwfx.Format.nChannels = (short)vi->channels;
mpwfx.Format.wBitsPerSample = sizeof(short) * 8;
mdwSize = (int)(ov_pcm_total(ov, -1) * vi->channels); // pcm samples * num channels
mbIsReadingFromMemory = false;
if (SoundSystemLocal.s_realTimeDecoding.Bool)
{
ov_clear(ov);
fileSystem.CloseFile(mhmmio);
mhmmio = null;
mpwfx.Format.wFormatTag = WAVE_FORMAT_TAG.OGG;
mhmmio = fileSystem.OpenFileRead(strFileName);
mMemSize = mhmmio.Length;
}
else
{
ogg = ov;
mpwfx.Format.wFormatTag = WAVE_FORMAT_TAG.PCM;
mMemSize = mdwSize * sizeof(short);
}
pwfx = mpwfx.Format;
ISystem.LeaveCriticalSection(CRITICAL_SECTION.SECTION_ONE);
isOgg = true;
return(0);
}
void Session_Hitch_f(CmdArgs args)
{
var sw = soundSystem.PlayingSoundWorld;
if (sw != null)
{
soundSystem.SetMute(true); sw.Pause(); ISystem.EnterCriticalSection();
}
SysW.Sleep(args.Count == 2 ? int.Parse(args[1]) : 100);
if (sw != null)
{
ISystem.LeaveCriticalSection(); sw.UnPause(); soundSystem.SetMute(false);
}
}
// can pass SCHANNEL_ANY
public virtual void StopSound(int channel)
{
int i;
if (SoundSystemLocal.s_showStartSound.Integer != 0)
{
common.Printf($"StopSound({index},{channel})\n");
}
if (soundWorld != null && soundWorld.writeDemo != null)
{
soundWorld.writeDemo.WriteInt((int)VFileDemo.DS.SOUND);
soundWorld.writeDemo.WriteInt((int)SCMD.STOP);
soundWorld.writeDemo.WriteInt(index);
soundWorld.writeDemo.WriteInt(channel);
}
ISystem.EnterCriticalSection();
for (i = 0; i < SoundSystemLocal.SOUND_MAX_CHANNELS; i++)
{
var chan = channels[i];
if (!chan.triggerState)
{
continue;
}
if (channel != ISoundSystem.SCHANNEL_ANY && chan.triggerChannel != channel)
{
continue;
}
// stop it
chan.Stop();
// free hardware resources
chan.ALStop();
// if this was an onDemand sound, purge the sample now
if (chan.leadinSample.onDemand)
{
chan.leadinSample.PurgeSoundSample();
}
chan.leadinSample = null;
chan.soundShader = null;
}
ISystem.LeaveCriticalSection();
}
unsafe int CloseOGG()
{
var ov = (OggVorbis_File)ogg;
if (ov != null)
{
ISystem.EnterCriticalSection(CRITICAL_SECTION.SECTION_ONE);
ov_clear(ov);
ISystem.LeaveCriticalSection(CRITICAL_SECTION.SECTION_ONE);
fileSystem.CloseFile(mhmmio);
mhmmio = null;
ogg = null;
return(0);
}
return(-1);
}
// returns the length of the started sound in msec
public virtual int StartSound(ISoundShader shader, int channel, float diversity = 0, int shaderFlags = 0, bool allowSlow = true /* D3XP */)
{
int i;
if (shader == null)
{
return(0);
}
var shader2 = (SoundShader)shader;
if (SoundSystemLocal.s_showStartSound.Integer != 0)
{
common.Printf($"StartSound {soundWorld.gameMsec}ms ({index},{channel},{shader2.Name}) = ");
}
if (soundWorld != null && soundWorld.writeDemo != null)
{
soundWorld.writeDemo.WriteInt((int)VFileDemo.DS.SOUND);
soundWorld.writeDemo.WriteInt((int)SCMD.START);
soundWorld.writeDemo.WriteInt(index);
soundWorld.writeDemo.WriteHashString(shader2.Name);
soundWorld.writeDemo.WriteInt(channel);
soundWorld.writeDemo.WriteFloat(diversity);
soundWorld.writeDemo.WriteInt(shaderFlags);
}
// build the channel parameters by taking the shader parms and optionally overriding
SoundShaderParms chanParms;
chanParms = shader2.parms;
OverrideParms(chanParms, this.parms, out chanParms);
chanParms.soundShaderFlags |= shaderFlags;
if (chanParms.shakes > 0f)
{
shader2.CheckShakesAndOgg();
}
// this is the sample time it will be first mixed
var start44kHz = soundWorld.fpa[0] != null
? soundWorld.lastAVI44kHz + Simd.MIXBUFFER_SAMPLES // if we are recording an AVI demo, don't use hardware time
: soundSystemLocal.Current44kHzTime + Simd.MIXBUFFER_SAMPLES;
// pick which sound to play from the shader
if (shader2.numEntries == 0)
{
if (SoundSystemLocal.s_showStartSound.Integer != 0)
{
common.Printf("no samples in sound shader\n");
}
return(0); // no sounds
}
// pick a sound from the list based on the passed diversity
var choice = (int)(diversity * shader2.numEntries);
if (choice < 0 || choice >= shader2.numEntries)
{
choice = 0;
}
// bump the choice if the exact sound was just played and we are NO_DUPS
if ((chanParms.soundShaderFlags & ISoundSystem.SSF_NO_DUPS) != 0)
{
var sample = shader2.leadins[choice] ?? shader2.entries[choice];
for (i = 0; i < SoundSystemLocal.SOUND_MAX_CHANNELS; i++)
{
var chan2 = channels[i];
if (chan2.leadinSample == sample)
{
choice = (choice + 1) % shader2.numEntries; break;
}
}
}
// PLAY_ONCE sounds will never be restarted while they are running
if ((chanParms.soundShaderFlags & ISoundSystem.SSF_PLAY_ONCE) != 0)
{
for (i = 0; i < SoundSystemLocal.SOUND_MAX_CHANNELS; i++)
{
var chan2 = channels[i];
if (chan2.triggerState && chan2.soundShader == shader2)
{
if (SoundSystemLocal.s_showStartSound.Integer != 0)
{
common.Printf("PLAY_ONCE not restarting\n");
}
return(0);
}
}
}
// never play the same sound twice with the same starting time, even if they are on different channels
for (i = 0; i < SoundSystemLocal.SOUND_MAX_CHANNELS; i++)
{
var chan2 = channels[i];
if (chan2.triggerState && chan2.soundShader == shader2 && chan2.trigger44kHzTime == start44kHz)
{
if (SoundSystemLocal.s_showStartSound.Integer != 0)
{
common.Printf("already started this frame\n");
}
return(0);
}
}
ISystem.EnterCriticalSection();
// kill any sound that is currently playing on this channel
if (channel != ISoundSystem.SCHANNEL_ANY)
{
for (i = 0; i < SoundSystemLocal.SOUND_MAX_CHANNELS; i++)
{
var chan2 = channels[i];
if (chan2.triggerState && chan2.soundShader != null && chan2.triggerChannel == channel)
{
if (SoundSystemLocal.s_showStartSound.Integer != 0)
{
common.Printf($"(override {chan2.soundShader.base_.Name})");
}
chan2.Stop();
// if this was an onDemand sound, purge the sample now
if (chan2.leadinSample.onDemand)
{
chan2.ALStop(); chan2.leadinSample.PurgeSoundSample();
}
break;
}
}
}
// find a free channel to play the sound on
SoundChannel chan;
for (i = 0; i < SoundSystemLocal.SOUND_MAX_CHANNELS; i++)
{
chan = channels[i];
if (!chan.triggerState)
{
break;
}
}
if (i == SoundSystemLocal.SOUND_MAX_CHANNELS)
{
// we couldn't find a channel for it
ISystem.LeaveCriticalSection();
if (SoundSystemLocal.s_showStartSound.Integer != 0)
{
common.Printf("no channels available\n");
}
return(0);
}
chan = channels[i];
chan.leadinSample = shader2.leadins[choice] != null ? shader2.leadins[choice] : shader2.entries[choice];
// if the sample is onDemand (voice mails, etc), load it now
if (chan.leadinSample.purged)
{
var start = SysW.Milliseconds;
chan.leadinSample.Load();
var end = SysW.Milliseconds;
session.TimeHitch(end - start);
// recalculate start44kHz, because loading may have taken a fair amount of time
if (soundWorld.fpa[0] == null)
{
start44kHz = soundSystemLocal.Current44kHzTime + Simd.MIXBUFFER_SAMPLES;
}
}
if (SoundSystemLocal.s_showStartSound.Integer != 0)
{
common.Printf($"'{chan.leadinSample.name}'\n");
}
chan.disallowSlow = SoundSystemLocal.s_skipHelltimeFX.Bool || !allowSlow;
ResetSlowChannel(chan);
// the sound will start mixing in the next async mix block
chan.triggered = true;
chan.openalStreamingOffset = 0;
chan.trigger44kHzTime = start44kHz;
chan.parms = chanParms;
chan.triggerGame44kHzTime = soundWorld.game44kHz;
chan.soundShader = shader2;
chan.triggerChannel = channel;
chan.stopped = false;
chan.Start();
// we need to start updating the def and mixing it in
playing = true;
// spatialize it immediately, so it will start the next mix block
// even if that happens before the next PlaceOrigin()
Spatialize(soundWorld.listenerPos, soundWorld.listenerArea, soundWorld.rw);
// return length of sound in milliseconds
var length = chan.leadinSample.LengthIn44kHzSamples;
if (chan.leadinSample.objectInfo.nChannels == 2)
{
length /= 2; // stereo samples
}
// adjust the start time based on diversity for looping sounds, so they don't all start at the same point
if ((chan.parms.soundShaderFlags & ISoundSystem.SSF_LOOPING) != 0 && chan.leadinSample.LengthIn44kHzSamples == 0)
{
chan.trigger44kHzTime -= (int)(diversity * length);
chan.trigger44kHzTime &= ~7; // so we don't have to worry about the 22kHz and 11kHz expansions
// starting in fractional samples
chan.triggerGame44kHzTime -= (int)(diversity * length);
chan.triggerGame44kHzTime &= ~7;
}
length *= (int)(1000 / (float)SoundSystemLocal.PRIMARYFREQ);
ISystem.LeaveCriticalSection();
return(length);
}
