/[svn]/linuxsampler/trunk/src/engines/sfz/Voice.h
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Annotation of /linuxsampler/trunk/src/engines/sfz/Voice.h

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Sun Dec 23 19:32:11 2018 UTC (13 months ago) by schoenebeck
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* Only play release trigger samples on sustain pedal up if this behaviour
  was explicitly requested by the instrument (otherwise only on note-off).
* Bumped version (2.1.0.svn2).

1 iliev 2012 /***************************************************************************
2     * *
3     * LinuxSampler - modular, streaming capable sampler *
4     * *
5     * Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck *
6 persson 2055 * Copyright (C) 2005 - 2008 Christian Schoenebeck *
7 persson 2311 * Copyright (C) 2009 - 2012 Christian Schoenebeck and Grigor Iliev *
8 iliev 2012 * *
9     * This program is free software; you can redistribute it and/or modify *
10     * it under the terms of the GNU General Public License as published by *
11     * the Free Software Foundation; either version 2 of the License, or *
12     * (at your option) any later version. *
13     * *
14     * This program is distributed in the hope that it will be useful, *
15     * but WITHOUT ANY WARRANTY; without even the implied warranty of *
16     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
17     * GNU General Public License for more details. *
18     * *
19     * You should have received a copy of the GNU General Public License *
20     * along with this program; if not, write to the Free Software *
21     * Foundation, Inc., 59 Temple Place, Suite 330, Boston, *
22     * MA 02111-1307 USA *
23     ***************************************************************************/
24    
25     #ifndef __LS_SFZ_VOICE_H__
26     #define __LS_SFZ_VOICE_H__
27    
28     #include "../../common/global_private.h"
29    
30     #include "../../common/RTMath.h"
31     #include "../../common/Pool.h"
32     #include "../../drivers/audio/AudioOutputDevice.h"
33     #include "DiskThread.h"
34     #include "../gig/Filter.h"
35     #include "../common/VoiceBase.h"
36     #include "../gig/SynthesisParam.h"
37 persson 2055 #include "EG.h"
38     #include "EGADSR.h"
39 iliev 2218 #include "SfzSignalUnitRack.h"
40 iliev 2012
41     namespace LinuxSampler { namespace sfz {
42     class Engine;
43     class EngineChannel;
44    
45 iliev 2015 /** SoundFont Voice
46 iliev 2012 *
47 iliev 2015 * Renders a voice for the SoundFont format.
48 iliev 2012 */
49 iliev 2021 class Voice : public LinuxSampler::VoiceBase<EngineChannel, ::sfz::Region, Sample, DiskThread> {
50 iliev 2012 public:
51     Voice();
52     virtual ~Voice();
53     void SetOutput(AudioOutputDevice* pAudioOutputDevice);
54     void SetEngine(LinuxSampler::Engine* pEngine);
55 persson 2327 void CalculateFadeOutCoeff(float FadeOutTime, float SampleRate);
56 schoenebeck 3444 virtual release_trigger_t GetReleaseTriggerFlags() OVERRIDE;
57    
58 schoenebeck 3054 virtual void VoiceFreed() OVERRIDE { SignalRack.Reset(); }
59 iliev 2012
60 iliev 2015 protected:
61 schoenebeck 3054 virtual SampleInfo GetSampleInfo() OVERRIDE;
62     virtual RegionInfo GetRegionInfo() OVERRIDE;
63     virtual InstrumentInfo GetInstrumentInfo() OVERRIDE;
64     virtual double CalculateCrossfadeVolume(uint8_t MIDIKeyVelocity) OVERRIDE;
65     virtual AbstractEngine* GetEngine() OVERRIDE { return (AbstractEngine*)pEngine; }
66     virtual float GetReleaseTriggerAttenuation(float noteLength) OVERRIDE;
67     virtual double GetEG1ControllerValue(uint8_t MIDIKeyVelocity) OVERRIDE;
68     virtual EGInfo CalculateEG1ControllerInfluence(double eg1ControllerValue) OVERRIDE;
69     virtual void TriggerEG1(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) OVERRIDE { }
70     virtual double GetEG2ControllerValue(uint8_t MIDIKeyVelocity) OVERRIDE;
71     virtual EGInfo CalculateEG2ControllerInfluence(double eg2ControllerValue) OVERRIDE;
72     virtual void TriggerEG2(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) OVERRIDE { }
73     virtual void InitLFO1() OVERRIDE { }
74     virtual void InitLFO2() OVERRIDE { }
75     virtual void InitLFO3() OVERRIDE { }
76     virtual float CalculateCutoffBase(uint8_t MIDIKeyVelocity) OVERRIDE;
77     virtual float CalculateFinalCutoff(float cutoffBase) OVERRIDE;
78     virtual uint8_t GetVCFCutoffCtrl() OVERRIDE { return 0; }
79     virtual uint8_t GetVCFResonanceCtrl() OVERRIDE { return 0; }
80 schoenebeck 2559 virtual void ProcessCCEvent(RTList<Event>::Iterator& itEvent) OVERRIDE;
81     virtual void ProcessChannelPressureEvent(RTList<Event>::Iterator& itEvent) OVERRIDE;
82     virtual void ProcessPolyphonicKeyPressureEvent(RTList<Event>::Iterator& itEvent) OVERRIDE;
83 schoenebeck 3054 virtual void ProcessCutoffEvent(RTList<Event>::Iterator& itEvent) OVERRIDE { }
84     virtual double GetVelocityAttenuation(uint8_t MIDIKeyVelocity) OVERRIDE;
85     virtual double GetVelocityRelease(uint8_t MIDIKeyVelocity) OVERRIDE;
86     virtual double GetSampleAttenuation() OVERRIDE;
87     virtual void ProcessGroupEvent(RTList<Event>::Iterator& itEvent) OVERRIDE;
88     virtual void SetSampleStartOffset() OVERRIDE;
89     virtual int GetRAMCacheOffset() OVERRIDE { return pRegion->pSample->RAMCacheOffset; }
90     virtual int CalculatePan(uint8_t pan) OVERRIDE;
91 iliev 2015
92     private:
93 iliev 2218 SfzSignalUnitRack SignalRack;
94 persson 2055
95 iliev 2015 public: // FIXME: just made public for debugging (sanity check in Engine::RenderAudio()), should be changed to private before the final release
96 iliev 2012 // Attributes
97     Engine* pEngine; ///< Pointer to the sampler engine, to be able to access the event lists.
98     //uint LoopCyclesLeft; ///< In case there is a RAMLoop and it's not an endless loop; reflects number of loop cycles left to be passed
99    
100     // Static Methods
101     static float CalculateFilterCutoffCoeff();
102    
103     // Methods
104     void ProcessEvents(uint Samples);
105     void processCrossFadeEvent(RTList<Event>::Iterator& itEvent);
106    
107 iliev 2015 EngineChannel* GetSfzEngineChannel();
108 iliev 2218
109 iliev 2230 friend class CCUnit;
110 iliev 2236 friend class XFInCCUnit;
111     friend class XFOutCCUnit;
112 iliev 2229 friend class AmpEGUnit;
113 iliev 2222 friend class FilEGUnit;
114 iliev 2220 friend class PitchEGUnit;
115 iliev 2221 friend class PitchLFOUnit;
116     friend class AmpLFOUnit;
117     friend class FilLFOUnit;
118 iliev 2236 friend class EndpointUnit;
119 iliev 2218 friend class SfzSignalUnitRack;
120 iliev 2015
121     protected:
122 schoenebeck 3054 virtual uint8_t CrossfadeAttenuation(uint8_t& CrossfadeControllerValue) OVERRIDE {
123 iliev 2015 /*uint8_t c = std::max(CrossfadeControllerValue, pRegion->AttenuationControllerThreshold);
124     c = (!pRegion->Crossfade.out_end) ? c // 0,0,0,0 means no crossfade defined
125     : (c < pRegion->Crossfade.in_end) ?
126     ((c <= pRegion->Crossfade.in_start) ? 0
127     : 127 * (c - pRegion->Crossfade.in_start) / (pRegion->Crossfade.in_end - pRegion->Crossfade.in_start))
128     : (c <= pRegion->Crossfade.out_start) ? 127
129     : (c < pRegion->Crossfade.out_end) ? 127 * (pRegion->Crossfade.out_end - c) / (pRegion->Crossfade.out_end - pRegion->Crossfade.out_start)
130     : 0;
131     return pRegion->InvertAttenuationController ? 127 - c : c;*/ // TODO: ^^^
132     return 0;
133 iliev 2012 }
134     };
135    
136     }} // namespace LinuxSampler::sfz
137    
138     #endif // __LS_SFZ_VOICE_H__

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