--- linuxsampler/trunk/src/engines/gig/Voice.h 2005/01/21 17:17:31 346 +++ linuxsampler/trunk/src/engines/gig/Voice.h 2005/07/12 22:37:21 687 @@ -3,6 +3,7 @@ * LinuxSampler - modular, streaming capable sampler * * * * Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck * + * Copyright (C) 2005 Christian Schoenebeck * * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * @@ -25,17 +26,16 @@ #include "../../common/global.h" -#if DEBUG_HEADERS -# warning Voice.h included -#endif // DEBUG_HEADERS +#include #include "../../common/RTMath.h" #include "../../common/RingBuffer.h" #include "../../common/Pool.h" #include "../../drivers/audio/AudioOutputDevice.h" -#include "../../lib/fileloader/libgig/gig.h" #include "../common/BiquadFilter.h" +//#include "EngineGlobals.h" #include "Engine.h" +#include "EngineChannel.h" #include "Stream.h" #include "DiskThread.h" @@ -43,24 +43,11 @@ #include "Filter.h" #include "../common/LFO.h" -#define FILTER_UPDATE_PERIOD 64 ///< amount of sample points after which filter parameters (cutoff, resonance) are going to be updated (higher value means less CPU load, but also worse parameter resolution, this value will be aligned to a power of two) -#define FORCE_FILTER_USAGE 0 ///< if set to 1 then filter is always used, if set to 0 filter is used only in case the instrument file defined one -#define FILTER_CUTOFF_MAX 10000.0f ///< maximum cutoff frequency (10kHz) -#define FILTER_CUTOFF_MIN 100.0f ///< minimum cutoff frequency (100Hz) - -// Uncomment following line to override external cutoff controller -//#define OVERRIDE_FILTER_CUTOFF_CTRL 1 ///< set to an arbitrary MIDI control change controller (e.g. 1 for 'modulation wheel') - -// Uncomment following line to override external resonance controller -//#define OVERRIDE_FILTER_RES_CTRL 91 ///< set to an arbitrary MIDI control change controller (e.g. 91 for 'effect 1 depth') - -// Uncomment following line to override filter type -//#define OVERRIDE_FILTER_TYPE ::gig::vcf_type_lowpass ///< either ::gig::vcf_type_lowpass, ::gig::vcf_type_bandpass or ::gig::vcf_type_highpass - namespace LinuxSampler { namespace gig { class Engine; class EGADSR; + class EGDecay; class VCAManipulator; class VCFCManipulator; class VCOManipulator; @@ -90,28 +77,30 @@ int MIDIKey; ///< MIDI key number of the key that triggered the voice uint KeyGroup; DiskThread* pDiskThread; ///< Pointer to the disk thread, to be able to order a disk stream and later to delete the stream again - RTList::Iterator itChildVoice; ///< Points to the next layer voice (if any). This field is currently only used by the voice stealing algorithm. // Methods Voice(); - ~Voice(); + virtual ~Voice(); void Kill(Pool::Iterator& itKillEvent); void Render(uint Samples); void Reset(); void SetOutput(AudioOutputDevice* pAudioOutputDevice); void SetEngine(Engine* pEngine); - int Trigger(Pool::Iterator& itNoteOnEvent, int PitchBend, ::gig::Instrument* pInstrument, int iLayer, bool ReleaseTriggerVoice, bool VoiceStealing); + int Trigger(EngineChannel* pEngineChannel, Pool::Iterator& itNoteOnEvent, int PitchBend, ::gig::DimensionRegion* pDimRgn, type_t VoiceType, int iKeyGroup); inline bool IsActive() { return PlaybackState; } + inline bool IsStealable() { return !itKillEvent && PlaybackState >= playback_state_ram; } //private: // Types enum playback_state_t { playback_state_end = 0, - playback_state_ram = 1, - playback_state_disk = 2 + playback_state_init = 1, + playback_state_ram = 2, + playback_state_disk = 3 }; // Attributes - gig::Engine* pEngine; ///< Pointer to the sampler engine, to be able to access the event lists. + EngineChannel* pEngineChannel; + Engine* pEngine; ///< Pointer to the sampler engine, to be able to access the event lists. float Volume; ///< Volume level of the voice float PanLeft; float PanRight; @@ -120,7 +109,6 @@ float PitchBase; ///< Basic pitch depth, stays the same for the whole life time of the voice float PitchBend; ///< Current pitch value of the pitchbend wheel ::gig::Sample* pSample; ///< Pointer to the sample to be played back - ::gig::Region* pRegion; ///< Pointer to the articulation information of the respective keyboard region of this voice ::gig::DimensionRegion* pDimRgn; ///< Pointer to the articulation information of current dimension region of this voice playback_state_t PlaybackState; ///< When a sample will be triggered, it will be first played from RAM cache and after a couple of sample points it will switch to disk streaming and at the end of a disk stream we have to add null samples, so the interpolator can do it's work correctly bool DiskVoice; ///< If the sample is very short it completely fits into the RAM cache and doesn't need to be streamed from disk, in that case this flag is set to false @@ -146,6 +134,9 @@ LFO* pLFO1; ///< Low Frequency Oscillator 1 (Amplification) LFO* pLFO2; ///< Low Frequency Oscillator 2 (Filter cutoff frequency) LFO* pLFO3; ///< Low Frequency Oscillator 3 (Pitch) + bool bLFO1Enabled; ///< Should we use the Amplitude LFO for this voice? + bool bLFO2Enabled; ///< Should we use the Filter Cutoff LFO for this voice? + bool bLFO3Enabled; ///< Should we use the Pitch LFO for this voice? Pool::Iterator itTriggerEvent; ///< First event on the key's list the voice should process (only needed for the first audio fragment in which voice was triggered, after that it will be set to NULL). //public: // FIXME: just made public for debugging (sanity check in Engine::RenderAudio()), should be changed to private before the final release Pool::Iterator itKillEvent; ///< Event which caused this voice to be killed @@ -163,12 +154,14 @@ void Synthesize(uint Samples, sample_t* pSrc, uint Skip); inline float CrossfadeAttenuation(uint8_t& CrossfadeControllerValue) { - return (!pDimRgn->Crossfade.out_end) ? 1.0f /* 0,0,0,0 means no crossfade defined */ - : (CrossfadeControllerValue <= pDimRgn->Crossfade.in_start) ? 0.0f - : (CrossfadeControllerValue < pDimRgn->Crossfade.in_end) ? float(CrossfadeControllerValue - pDimRgn->Crossfade.in_start) / float(pDimRgn->Crossfade.in_end - pDimRgn->Crossfade.in_start) - : (CrossfadeControllerValue <= pDimRgn->Crossfade.out_start) ? 1.0f - : (CrossfadeControllerValue < pDimRgn->Crossfade.out_end) ? float(CrossfadeControllerValue - pDimRgn->Crossfade.out_start) / float(pDimRgn->Crossfade.out_end - pDimRgn->Crossfade.out_start) - : 0.0f; + float att = (!pDimRgn->Crossfade.out_end) ? CrossfadeControllerValue / 127.0f /* 0,0,0,0 means no crossfade defined */ + : (CrossfadeControllerValue < pDimRgn->Crossfade.in_end) ? + ((CrossfadeControllerValue <= pDimRgn->Crossfade.in_start) ? 0.0f + : float(CrossfadeControllerValue - pDimRgn->Crossfade.in_start) / float(pDimRgn->Crossfade.in_end - pDimRgn->Crossfade.in_start)) + : (CrossfadeControllerValue <= pDimRgn->Crossfade.out_start) ? 1.0f + : (CrossfadeControllerValue < pDimRgn->Crossfade.out_end) ? float(pDimRgn->Crossfade.out_end - CrossfadeControllerValue) / float(pDimRgn->Crossfade.out_end - pDimRgn->Crossfade.out_start) + : 0.0f; + return pDimRgn->InvertAttenuationController ? 1 - att : att; } inline float Constrain(float ValueToCheck, float Min, float Max) {