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

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Revision 2115 - (hide annotations) (download) (as text)
Thu Aug 12 15:36:15 2010 UTC (13 years, 9 months ago) by persson
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* sfz engine: added support for controller triggered regions
  (on_locc/on_hicc)
* sfz engine: added support for loop_mode=one_shot

1 iliev 2012 /***************************************************************************
2     * *
3     * LinuxSampler - modular, streaming capable sampler *
4     * *
5     * Copyright (C) 2003,2004 by Benno Senoner and Christian Schoenebeck *
6 persson 2115 * Copyright (C) 2005-2010 Christian Schoenebeck *
7 iliev 2012 * *
8     * This program is free software; you can redistribute it and/or modify *
9     * it under the terms of the GNU General Public License as published by *
10     * the Free Software Foundation; either version 2 of the License, or *
11     * (at your option) any later version. *
12     * *
13     * This program is distributed in the hope that it will be useful, *
14     * but WITHOUT ANY WARRANTY; without even the implied warranty of *
15     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
16     * GNU General Public License for more details. *
17     * *
18     * You should have received a copy of the GNU General Public License *
19     * along with this program; if not, write to the Free Software *
20     * Foundation, Inc., 59 Temple Place, Suite 330, Boston, *
21     * MA 02111-1307 USA *
22     ***************************************************************************/
23    
24     #ifndef __LS_VOICE_H__
25 persson 2115 #define __LS_VOICE_H__
26 iliev 2012
27     #include "Event.h"
28     #include "../../common/Pool.h"
29    
30 iliev 2015 #include <gig.h> // TODO: remove gig dependency
31    
32 iliev 2012 namespace LinuxSampler {
33    
34     class Voice {
35     public:
36     enum playback_state_t {
37     playback_state_end = 0,
38     playback_state_init = 1,
39     playback_state_ram = 2,
40     playback_state_disk = 3
41     };
42    
43 persson 2115 // Type bits. Mostly mutual exclusive, but a voice may both be of one shot type and require a release trigger at the same time.
44 iliev 2012 enum type_t {
45 persson 2115 type_normal = 0,
46     type_release_trigger_required = 1 << 1, ///< If the key of this voice will be released, it causes a release triggered voice to be spawned
47     type_release_trigger = 1 << 2, ///< Release triggered voice which cannot be killed by releasing its key
48     type_one_shot = 1 << 3, ///< Voice should not be released by note off
49     type_controller_triggered = 1 << 4 ///< Voice is triggered by MIDI CC instead of a note on
50 iliev 2012 };
51 iliev 2015
52     struct PitchInfo {
53     float PitchBase; ///< Basic pitch depth, stays the same for the whole life time of the voice
54     float PitchBend; ///< Current pitch value of the pitchbend wheel
55     float PitchBendRange; ///< The pitch range of the pitchbend wheel, value is in cents / 8192
56     };
57    
58     struct EGInfo {
59     double Attack;
60     double Decay;
61     double Release;
62     };
63    
64     struct SampleInfo {
65     uint SampleRate;
66     uint ChannelCount;
67     uint FrameSize;
68     uint TotalFrameCount;
69     uint BitDepth;
70     bool HasLoops;
71     uint LoopStart;
72     uint LoopLength;
73     uint LoopPlayCount; ///< Number of times the loop should be played (a value of 0 = infinite).
74     bool Unpitched; ///< sound which is not characterized by a perceived frequency
75     };
76    
77     struct RegionInfo {
78     uint8_t UnityNote; ///< The MIDI key number of the recorded pitch of the sample
79     int16_t FineTune;
80     int Pan; ///< Panorama / Balance (-64..0..63 <-> left..middle..right)
81     uint SampleStartOffset; ///< Number of samples the sample start should be moved
82    
83     double EG1PreAttack; ///< Preattack value of the sample amplitude EG (in permilles)
84     double EG1Attack; ///< Attack time of the sample amplitude EG (in seconds)
85     double EG1Hold; ///< If true, Decay1 stage should be postponed until the sample reached the sample loop start
86     double EG1Decay1; ///< Decay time of the sample amplitude EG (in seconds)
87     double EG1Decay2; ///< Only if (EG1InfiniteSustain == false): 2nd decay stage time of the sample amplitude EG (in seconds)
88     double EG1Sustain; ///< Sustain value of the sample amplitude EG (in permilles)
89     bool EG1InfiniteSustain; ///< If true, instead of going into Decay2 phase, Decay1 level will be hold until note will be released.
90     double EG1Release; ///< Release time of the sample amplitude EG (in seconds)
91    
92     double EG2PreAttack; ///< Preattack value of the filter cutoff EG (in permilles)
93     double EG2Attack; ///< Attack time of the filter cutoff EG (in seconds)
94     double EG2Decay1; ///< Decay time of the filter cutoff EG (in seconds)
95     double EG2Decay2; ///< Only if (EG2InfiniteSustain == false): 2nd decay stage time of the filter cutoff EG (in seconds)
96     double EG2Sustain; ///< Sustain value of the filter cutoff EG (in permilles)
97     bool EG2InfiniteSustain; ///< If true, instead of going into Decay2 phase, Decay1 level will be hold until note will be released.
98     double EG2Release; ///< Release time of the filter cutoff EG (in seconds)
99    
100     double EG3Attack; ///< Attack time of the sample pitch EG (in seconds)
101     int EG3Depth; ///< Depth of the sample pitch EG (-1200 - +1200)
102 persson 2061 double ReleaseTriggerDecay; ///< How much release sample volume depends on note length. Release sample amplitude is multiplied with (1 - ReleaseTriggerDecay * note length).
103 iliev 2015
104     bool VCFEnabled; ///< If filter should be used.
105     ::gig::vcf_type_t VCFType; ///< Defines the general filter characteristic (lowpass, highpass, bandpass, etc.).
106     uint8_t VCFResonance; ///< Firm internal filter resonance weight.
107     };
108    
109     struct InstrumentInfo {
110     int FineTune; // in cents
111     uint PitchbendRange; ///< Number of semitones pitchbend controller can pitch
112     };
113    
114     /// Reflects a MIDI controller
115     struct midi_ctrl {
116     uint8_t controller; ///< MIDI control change controller number
117     uint8_t value; ///< Current MIDI controller value
118     float fvalue; ///< Transformed / effective value (e.g. volume level or filter cutoff frequency)
119     };
120    
121     Voice() { }
122     virtual ~Voice() { }
123 iliev 2012 };
124 persson 2115
125     // |= operator for the type_t enum
126     inline Voice::type_t operator|=(Voice::type_t& lhs, Voice::type_t rhs) {
127     return lhs = static_cast<Voice::type_t>(static_cast<unsigned>(lhs) | static_cast<unsigned>(rhs));
128     }
129    
130 iliev 2012 } // namespace LinuxSampler
131    
132 persson 2115 #endif /* __LS_VOICE_H__ */

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