public bool BeginPlaySong(Song s, bool pal, int startNote, IRegisterListener listener = null)
{
song = s;
famitrackerTempo = song.UsesFamiTrackerTempo;
famitrackerSpeed = song.FamitrackerSpeed;
famitrackerNativeTempo = pal ? Song.NativeTempoPAL : Song.NativeTempoNTSC;
palPlayback = pal;
playPosition = startNote;
playPattern = 0;
playNote = 0;
tempoCounter = 0;
ResetFamiStudioTempo(true);
channelStates = CreateChannelStates(song.Project, apuIndex, song.Project.ExpansionNumChannels, palPlayback, listener);
NesApu.InitAndReset(apuIndex, sampleRate, palPlayback, GetNesApuExpansionAudio(song.Project), song.Project.ExpansionNumChannels, dmcCallback);
UpdateChannelsMuting();
//Debug.WriteLine($"START SEEKING!!");
if (startNote != 0)
{
NesApu.StartSeeking(apuIndex);
while (song.GetPatternStartNote(playPattern) + playNote < startNote)
{
//Debug.WriteLine($"Seek Frame {song.GetPatternStartNote(playPattern) + playNote}!");
int numFramesToRun = UpdateTempoEnvelope();
for (int i = 0; i < numFramesToRun; i++)
{
//Debug.WriteLine($" Seeking Frame {song.GetPatternStartNote(playPattern) + playNote}!");
AdvanceChannels();
UpdateChannelsEnvelopesAndAPU();
if (!AdvanceSong(song.Length, LoopMode.None))
{
return(false);
}
}
}
NesApu.StopSeeking(apuIndex);
}
AdvanceChannels();
UpdateChannelsEnvelopesAndAPU();
EndFrame();
playPosition = song.GetPatternStartNote(playPattern) + playNote;
return(true);
}
public bool BeginPlaySong(Song s, bool pal, int startNote)
{
song = s;
famitrackerTempo = song.UsesFamiTrackerTempo;
famitrackerSpeed = song.FamitrackerSpeed;
palPlayback = pal;
playPosition = startNote;
playLocation = new NoteLocation(0, 0);
frameNumber = 0;
famitrackerTempoCounter = 0;
channelStates = CreateChannelStates(this, song.Project, apuIndex, song.Project.ExpansionNumN163Channels, palPlayback);
NesApu.InitAndReset(apuIndex, sampleRate, palPlayback, tndMode, song.Project.ExpansionAudioMask, song.Project.ExpansionNumN163Channels, dmcCallback);
ResetFamiStudioTempo();
UpdateChannelsMuting();
//Debug.WriteLine($"START SEEKING!!");
if (startNote != 0)
{
seeking = true;
NesApu.StartSeeking(apuIndex);
AdvanceChannels();
UpdateChannels();
UpdateTempo();
while (playLocation.ToAbsoluteNoteIndex(song) < startNote - 1)
{
if (!PlaySongFrameInternal(true))
{
break;
}
}
NesApu.StopSeeking(apuIndex);
seeking = false;
}
else
{
AdvanceChannels();
UpdateChannels();
UpdateTempo();
}
playPosition = playLocation.ToAbsoluteNoteIndex(song);
UpdateBeat();
EndFrame();
return(true);
}
public bool BeginPlaySong(Song s, bool pal, int startNote)
{
song = s;
famitrackerTempo = song.UsesFamiTrackerTempo;
famitrackerSpeed = song.FamitrackerSpeed;
famitrackerNativeTempo = pal ? Song.NativeTempoPAL : Song.NativeTempoNTSC;
palMode = pal;
playPosition = startNote;
playPattern = 0;
playNote = 0;
tempoCounter = 0;
firstFrame = true;
ResetFamiStudioTempo(true);
channelStates = CreateChannelStates(song.Project, apuIndex, song.Project.ExpansionNumChannels, palMode);
NesApu.InitAndReset(apuIndex, SampleRate, palMode, GetNesApuExpansionAudio(song.Project), song.Project.ExpansionNumChannels, dmcCallback);
if (startNote != 0)
{
NesApu.StartSeeking(apuIndex);
#if DEBUG
NesApu.seeking = true;
#endif
while (song.GetPatternStartNote(playPattern) + playNote < startNote)
{
foreach (var channel in channelStates)
{
channel.Advance(song, playPattern, playNote, famitrackerSpeed, famitrackerNativeTempo);
channel.ProcessEffects(song, playPattern, playNote, ref famitrackerSpeed);
channel.UpdateEnvelopes();
channel.UpdateAPU();
}
if (!AdvanceSong(song.Length, LoopMode.None))
{
return(false);
}
//Debug.WriteLine($"Seeking Frame {song.GetPatternStartNote(playPattern) + playNote}!");
UpdateFrameSkip();
}
NesApu.StopSeeking(apuIndex);
#if DEBUG
NesApu.seeking = false;
#endif
}
return(true);
}
public bool BeginPlaySong(Song s, bool pal, int startNote)
{
song = s;
famitrackerTempo = song.UsesFamiTrackerTempo;
famitrackerSpeed = song.FamitrackerSpeed;
palPlayback = pal;
playPosition = startNote;
playPattern = 0;
playNote = 0;
frameNumber = 0;
famitrackerTempoCounter = 0;
channelStates = CreateChannelStates(this, song.Project, apuIndex, song.Project.ExpansionNumChannels, palPlayback);
NesApu.InitAndReset(apuIndex, sampleRate, palPlayback, GetNesApuExpansionAudio(song.Project.ExpansionAudio), song.Project.ExpansionNumChannels, dmcCallback);
ResetFamiStudioTempo(true);
UpdateChannelsMuting();
//Debug.WriteLine($"START SEEKING!!");
if (startNote != 0)
{
NesApu.StartSeeking(apuIndex);
AdvanceChannels();
UpdateChannels();
UpdateFamitrackerTempo(famitrackerSpeed, song.FamitrackerTempo);
while (song.GetPatternStartNote(playPattern) + playNote < startNote)
{
if (!PlaySongFrameInternal(true))
{
break;
}
}
NesApu.StopSeeking(apuIndex);
}
else
{
AdvanceChannels();
UpdateChannels();
UpdateFamitrackerTempo(famitrackerSpeed, song.FamitrackerTempo);
}
EndFrame();
playPosition = song.GetPatternStartNote(playPattern) + playNote;
return(true);
}
unsafe void PlayerThread(object o)
{
var lastNoteWasRelease = false;
var lastReleaseTime = DateTime.Now;
var activeChannel = -1;
var waitEvents = new WaitHandle[] { stopEvent, bufferSemaphore };
NesApu.InitAndReset(apuIndex, sampleRate, palPlayback, GetNesApuExpansionAudio(expansionAudio), numExpansionChannels, dmcCallback);
for (int i = 0; i < channelStates.Length; i++)
{
NesApu.EnableChannel(apuIndex, i, 0);
}
while (true)
{
int idx = WaitHandle.WaitAny(waitEvents);
if (idx == 0)
{
break;
}
if (!noteQueue.IsEmpty)
{
PlayerNote lastNote = new PlayerNote();
while (noteQueue.TryDequeue(out PlayerNote note))
{
lastNote = note;
}
activeChannel = lastNote.channel;
if (activeChannel >= 0)
{
if (lastNote.note.IsMusical)
{
channelStates[activeChannel].ForceInstrumentReload();
}
channelStates[activeChannel].PlayNote(lastNote.note);
if (lastNote.note.IsRelease)
{
lastNoteWasRelease = true;
lastReleaseTime = DateTime.Now;
}
else
{
lastNoteWasRelease = false;
}
}
for (int i = 0; i < channelStates.Length; i++)
{
NesApu.EnableChannel(apuIndex, i, i == activeChannel ? 1 : 0);
}
}
if (lastNoteWasRelease &&
activeChannel >= 0 &&
Settings.InstrumentStopTime >= 0 &&
DateTime.Now.Subtract(lastReleaseTime).TotalSeconds >= Settings.InstrumentStopTime)
{
NesApu.EnableChannel(apuIndex, activeChannel, 0);
activeChannel = -1;
}
if (activeChannel >= 0)
{
channelStates[activeChannel].Update();
for (int i = 0; i < EnvelopeType.Count; i++)
{
envelopeFrames[i] = channelStates[activeChannel].GetEnvelopeFrame(i);
}
}
else
{
for (int i = 0; i < EnvelopeType.Count; i++)
{
envelopeFrames[i] = 0;
}
foreach (var channel in channelStates)
{
channel.ClearNote();
}
}
EndFrame();
}
audioStream.Stop();
while (sampleQueue.TryDequeue(out _))
{
;
}
}
public unsafe static void Save(Song song, string filename, int sampleRate)
{
var advance = true;
var tempoCounter = 0;
var playPattern = 0;
var playNote = 0;
var jumpPattern = -1;
var jumpNote = -1;
var speed = song.Speed;
var wavBytes = new List <byte>();
var apuIndex = NesApu.APU_WAV_EXPORT;
var dmcCallback = new NesApu.DmcReadDelegate(NesApu.DmcReadCallback);
var dmcCallbackHandle = GCHandle.Alloc(dmcCallback); // Needed since callback can be collected.
var channels = PlayerBase.CreateChannelStates(song.Project, apuIndex);
NesApu.InitAndReset(apuIndex, sampleRate, PlayerBase.GetNesApuExpansionAudio(song.Project), dmcCallback);
for (int i = 0; i < channels.Length; i++)
{
NesApu.EnableChannel(apuIndex, i, 1);
}
while (true)
{
// Advance to next note.
if (advance)
{
foreach (var channel in channels)
{
channel.ProcessEffects(song, playPattern, playNote, ref jumpPattern, ref jumpNote, ref speed, false);
}
foreach (var channel in channels)
{
channel.Advance(song, playPattern, playNote);
}
advance = false;
}
// Update envelopes + APU registers.
foreach (var channel in channels)
{
channel.UpdateEnvelopes();
channel.UpdateAPU();
}
NesApu.EndFrame(apuIndex);
int numTotalSamples = NesApu.SamplesAvailable(apuIndex);
byte[] samples = new byte[numTotalSamples * 2];
fixed(byte *ptr = &samples[0])
{
NesApu.ReadSamples(apuIndex, new IntPtr(ptr), numTotalSamples);
}
wavBytes.AddRange(samples);
if (!PlayerBase.AdvanceTempo(song, speed, LoopMode.None, ref tempoCounter, ref playPattern, ref playNote, ref jumpPattern, ref jumpNote, ref advance))
{
break;
}
}
using (var file = new FileStream(filename, FileMode.Create))
{
var header = new WaveHeader();
// RIFF WAVE Header
header.chunkId[0] = (byte)'R';
header.chunkId[1] = (byte)'I';
header.chunkId[2] = (byte)'F';
header.chunkId[3] = (byte)'F';
header.format[0] = (byte)'W';
header.format[1] = (byte)'A';
header.format[2] = (byte)'V';
header.format[3] = (byte)'E';
// Format subchunk
header.subChunk1Id[0] = (byte)'f';
header.subChunk1Id[1] = (byte)'m';
header.subChunk1Id[2] = (byte)'t';
header.subChunk1Id[3] = (byte)' ';
header.audioFormat = 1; // FOR PCM
header.numChannels = 1; // 1 for MONO, 2 for stereo
header.sampleRate = sampleRate; // ie 44100 hertz, cd quality audio
header.bitsPerSample = 16; //
header.byteRate = header.sampleRate * header.numChannels * header.bitsPerSample / 8;
header.blockAlign = (short)(header.numChannels * header.bitsPerSample / 8);
// Data subchunk
header.subChunk2Id[0] = (byte)'d';
header.subChunk2Id[1] = (byte)'a';
header.subChunk2Id[2] = (byte)'t';
header.subChunk2Id[3] = (byte)'a';
// All sizes for later:
// chuckSize = 4 + (8 + subChunk1Size) + (8 + subChubk2Size)
// subChunk1Size is constanst, i'm using 16 and staying with PCM
// subChunk2Size = nSamples * nChannels * bitsPerSample/8
// Whenever a sample is added:
// chunkSize += (nChannels * bitsPerSample/8)
// subChunk2Size += (nChannels * bitsPerSample/8)
header.subChunk1Size = 16;
header.subChunk2Size = wavBytes.Count;
header.chunkSize = 4 + (8 + header.subChunk1Size) + (8 + header.subChunk2Size);
var headerBytes = new byte[sizeof(WaveHeader)];
Marshal.Copy(new IntPtr(&header), headerBytes, 0, headerBytes.Length);
file.Write(headerBytes, 0, headerBytes.Length);
file.Write(wavBytes.ToArray(), 0, wavBytes.Count);
}
dmcCallbackHandle.Free();
}
unsafe void PlayerThread(object o)
{
#if !DEBUG
try
{
#endif
activeChannel = -1;
var lastNoteWasRelease = false;
var lastReleaseTime = DateTime.Now;
var waitEvents = new WaitHandle[] { stopEvent, bufferSemaphore };
NesApu.InitAndReset(apuIndex, sampleRate, palPlayback, NesApu.TND_MODE_SINGLE, expansionMask, numN163Channels, dmcCallback);
for (int i = 0; i < channelStates.Length; i++)
{
EnableChannelType(channelStates[i].InnerChannelType, false);
}
while (true)
{
int idx = WaitHandle.WaitAny(waitEvents);
if (idx == 0)
{
break;
}
if (!noteQueue.IsEmpty)
{
PlayerNote lastNote = new PlayerNote();
while (noteQueue.TryDequeue(out PlayerNote note))
{
lastNote = note;
}
activeChannel = lastNote.channel;
if (activeChannel >= 0)
{
if (lastNote.note.IsMusical)
{
channelStates[activeChannel].ForceInstrumentReload();
}
channelStates[activeChannel].PlayNote(lastNote.note);
if (lastNote.note.IsRelease)
{
lastNoteWasRelease = true;
lastReleaseTime = DateTime.Now;
}
else
{
lastNoteWasRelease = false;
}
}
for (int i = 0; i < channelStates.Length; i++)
{
EnableChannelType(channelStates[i].InnerChannelType, i == activeChannel);
}
}
if (lastNoteWasRelease &&
activeChannel >= 0 &&
Settings.InstrumentStopTime >= 0 &&
DateTime.Now.Subtract(lastReleaseTime).TotalSeconds >= Settings.InstrumentStopTime)
{
EnableChannelType(channelStates[activeChannel].InnerChannelType, false);
activeChannel = -1;
}
if (activeChannel >= 0)
{
var channel = channelStates[activeChannel];
channel.Update();
for (int i = 0; i < EnvelopeType.Count; i++)
{
envelopeFrames[i] = channel.GetEnvelopeFrame(i);
}
playingNote = channel.CurrentNote != null && channel.CurrentNote.IsMusical ? channel.CurrentNote.Value : Note.NoteInvalid;
}
else
{
for (int i = 0; i < EnvelopeType.Count; i++)
{
envelopeFrames[i] = 0;
}
foreach (var channel in channelStates)
{
channel.ClearNote();
}
playingNote = Note.NoteInvalid;
}
EndFrame();
}
audioStream.Stop();
while (sampleQueue.TryDequeue(out _))
{
;
}
#if !DEBUG
}
catch (Exception e)
{
Debug.WriteLine(e.Message);
if (Debugger.IsAttached)
{
Debugger.Break();
}
}
#endif
}
unsafe void PlayerThread(object o)
{
var startInfo = (SongPlayerStartInfo)o;
var song = startInfo.song;
var channels = PlayerBase.CreateChannelStates(song.Project, apuIndex);
var advance = true;
var tempoCounter = 0;
var playPattern = 0;
var playNote = 0;
var jumpPattern = -1;
var jumpNote = -1;
var speed = song.Speed;
playPosition = startInfo.frame;
NesApu.InitAndReset(apuIndex, SampleRate, GetNesApuExpansionAudio(song.Project), dmcCallback);
if (startInfo.frame != 0)
{
NesApu.StartSeeking(apuIndex);
#if DEBUG
NesApu.seeking = true;
#endif
while (playPattern * song.PatternLength + playNote < startInfo.frame)
{
var dummyAdvance = false;
if (!AdvanceTempo(song, speed, LoopMode.None, ref tempoCounter, ref playPattern, ref playNote, ref jumpPattern, ref jumpNote, ref dummyAdvance))
{
break;
}
foreach (var channel in channels)
{
channel.Advance(song, playPattern, playNote);
channel.ProcessEffects(song, playPattern, playNote, ref jumpPattern, ref jumpNote, ref speed);
channel.UpdateEnvelopes();
channel.UpdateAPU();
}
}
NesApu.StopSeeking(apuIndex);
#if DEBUG
NesApu.seeking = false;
#endif
jumpPattern = -1;
jumpNote = -1;
}
var waitEvents = new WaitHandle[] { stopEvent, frameEvent };
while (true)
{
int idx = WaitHandle.WaitAny(waitEvents);
if (idx == 0)
{
break;
}
// !advance is to handle first frame.
if (!advance && !AdvanceTempo(song, speed, loopMode, ref tempoCounter, ref playPattern, ref playNote, ref jumpPattern, ref jumpNote, ref advance))
{
break;
}
// Advance to next note.
if (advance)
{
playPosition = playPattern * song.PatternLength + playNote;
foreach (var channel in channels)
{
channel.Advance(song, playPattern, playNote);
channel.ProcessEffects(song, playPattern, playNote, ref jumpPattern, ref jumpNote, ref speed);
}
advance = false;
}
// Update envelopes + APU registers.
foreach (var channel in channels)
{
channel.UpdateEnvelopes();
channel.UpdateAPU();
}
// Mute.
for (int i = 0; i < channels.Length; i++)
{
NesApu.EnableChannel(apuIndex, i, (channelMask & (1 << i)));
}
EndFrameAndQueueSamples();
}
audioStream.Stop();
while (sampleQueue.TryDequeue(out _))
{
;
}
}
