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/*************************************************************************** |
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* * |
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* LinuxSampler - modular, streaming capable sampler * |
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* * |
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* Copyright (C) 2003,2004 by Benno Senoner and Christian Schoenebeck * |
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* Copyright (C) 2005-2011 Christian Schoenebeck * |
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* * |
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* This program is free software; you can redistribute it and/or modify * |
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* it under the terms of the GNU General Public License as published by * |
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* the Free Software Foundation; either version 2 of the License, or * |
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* (at your option) any later version. * |
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* * |
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* This program is distributed in the hope that it will be useful, * |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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* GNU General Public License for more details. * |
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* * |
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* You should have received a copy of the GNU General Public License * |
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* along with this program; if not, write to the Free Software * |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, * |
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* MA 02111-1307 USA * |
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***************************************************************************/ |
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|
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#ifndef __LS_VOICE_H__ |
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#define __LS_VOICE_H__ |
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|
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#include "Event.h" |
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#include "../gig/Filter.h" |
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#include "../../common/Pool.h" |
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|
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// TODO: remove gig dependency |
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#if AC_APPLE_UNIVERSAL_BUILD |
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# include <libgig/gig.h> |
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#else |
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# include <gig.h> |
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#endif |
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|
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namespace LinuxSampler { |
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|
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class Voice { |
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public: |
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enum playback_state_t { |
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playback_state_end = 0, |
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playback_state_init = 1, |
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playback_state_ram = 2, |
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playback_state_disk = 3 |
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}; |
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|
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// Type bits. Mostly mutual exclusive, but a voice may both be of one shot type and require a release trigger at the same time. |
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enum type_t { |
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type_normal = 0, |
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type_release_trigger_required = 1 << 1, ///< If the key of this voice will be released, it causes a release triggered voice to be spawned |
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type_release_trigger = 1 << 2, ///< Release triggered voice which cannot be killed by releasing its key |
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type_one_shot = 1 << 3, ///< Voice should not be released by note off |
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type_controller_triggered = 1 << 4 ///< Voice is triggered by MIDI CC instead of a note on |
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}; |
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|
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struct PitchInfo { |
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float PitchBase; ///< Basic pitch depth, stays the same for the whole life time of the voice |
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float PitchBend; ///< Current pitch value of the pitchbend wheel |
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float PitchBendRange; ///< The pitch range of the pitchbend wheel, value is in cents / 8192 |
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}; |
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|
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struct EGInfo { |
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double Attack; |
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double Decay; |
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double Release; |
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}; |
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|
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struct SampleInfo { |
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uint SampleRate; |
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uint ChannelCount; |
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uint FrameSize; |
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uint TotalFrameCount; |
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uint BitDepth; |
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bool HasLoops; |
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uint LoopStart; |
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uint LoopLength; |
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uint LoopPlayCount; ///< Number of times the loop should be played (a value of 0 = infinite). |
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bool Unpitched; ///< sound which is not characterized by a perceived frequency |
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}; |
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|
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struct RegionInfo { |
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uint8_t UnityNote; ///< The MIDI key number of the recorded pitch of the sample |
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int16_t FineTune; |
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int Pan; ///< Panorama / Balance (-64..0..63 <-> left..middle..right) |
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uint SampleStartOffset; ///< Number of samples the sample start should be moved |
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|
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double EG2PreAttack; ///< Preattack value of the filter cutoff EG (in permilles) |
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double EG2Attack; ///< Attack time of the filter cutoff EG (in seconds) |
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double EG2Decay1; ///< Decay time of the filter cutoff EG (in seconds) |
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double EG2Decay2; ///< Only if (EG2InfiniteSustain == false): 2nd decay stage time of the filter cutoff EG (in seconds) |
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double EG2Sustain; ///< Sustain value of the filter cutoff EG (in permilles) |
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bool EG2InfiniteSustain; ///< If true, instead of going into Decay2 phase, Decay1 level will be hold until note will be released. |
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double EG2Release; ///< Release time of the filter cutoff EG (in seconds) |
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|
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double EG3Attack; ///< Attack time of the sample pitch EG (in seconds) |
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int EG3Depth; ///< Depth of the sample pitch EG (-1200 - +1200) |
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double ReleaseTriggerDecay; ///< How much release sample volume depends on note length. Release sample amplitude is multiplied with (1 - ReleaseTriggerDecay * note length). |
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|
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bool VCFEnabled; ///< If filter should be used. |
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Filter::vcf_type_t VCFType; ///< Defines the general filter characteristic (lowpass, highpass, bandpass, etc.). |
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uint8_t VCFResonance; ///< Firm internal filter resonance weight. |
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}; |
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|
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struct InstrumentInfo { |
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int FineTune; // in cents |
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uint PitchbendRange; ///< Number of semitones pitchbend controller can pitch |
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}; |
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|
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/// Reflects a MIDI controller |
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struct midi_ctrl { |
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uint8_t controller; ///< MIDI control change controller number |
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uint8_t value; ///< Current MIDI controller value |
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float fvalue; ///< Transformed / effective value (e.g. volume level or filter cutoff frequency) |
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}; |
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|
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Voice() { } |
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virtual ~Voice() { } |
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}; |
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|
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// |= operator for the type_t enum |
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inline Voice::type_t operator|=(Voice::type_t& lhs, Voice::type_t rhs) { |
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return lhs = static_cast<Voice::type_t>(static_cast<unsigned>(lhs) | static_cast<unsigned>(rhs)); |
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} |
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|
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} // namespace LinuxSampler |
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|
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#endif /* __LS_VOICE_H__ */ |
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