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Diffstat (limited to 'libkmid/voiceman.h')
| -rw-r--r-- | libkmid/voiceman.h | 172 |
1 files changed, 0 insertions, 172 deletions
diff --git a/libkmid/voiceman.h b/libkmid/voiceman.h deleted file mode 100644 index 79dee9d3d..000000000 --- a/libkmid/voiceman.h +++ /dev/null @@ -1,172 +0,0 @@ -/* voiceman.h - The VoiceManager class handles a set of voices for synths - This file is part of LibKMid 0.9.5 - Copyright (C) 1997,98,99,2000 Antonio Larrosa Jimenez - LibKMid's homepage : http://www.arrakis.es/~rlarrosa/libkmid.html - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public - License as published by the Free Software Foundation; either - version 2 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public License - along with this library; see the file COPYING.LIB. If not, write to - the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, - Boston, MA 02110-1301, USA. - - Send comments and bug fixes to Antonio Larrosa <[email protected]> - -***************************************************************************/ -#ifndef _VOICEMAN_H -#define _VOICEMAN_H - -/** - * @internal - * Manages the voices used by synthesizers. - * - * @short Manages internally the voices used by synth devices. - * @version 0.9.5 17/01/2000 - * @author Antonio Larrosa Jimenez <[email protected]> - */ -class VoiceManager -{ - private: - class VoiceManagerPrivate; - VoiceManagerPrivate *d; - - /** - * Number of voices managed by this object. - */ - int nvoices; - - /** - * @internal - */ - struct voice - { - int id; - int channel; - int note; - int used; - - struct voice *prev; - struct voice *next; - }; - - /** - * Points to the beginning of the voice list, that is, to - * the older voice which is ready to be used. - */ - voice *FirstVoice; - - /** - * Points to the last voice, that is, the latest (most recently) used voice. - */ - voice *LastVoice; - - /** - * Points to the latest (list order) not used voice, - * that is, to where deallocated voices will be moved. - */ - voice *LastnotusedVoice; - - /** - * Array with pointers to the voices, arranged by ID for allow faster searches. - */ - voice **VoiceList; - - /** - * @internal - * This variable is used to search channels. - */ - voice *searcher; - - /** - * @internal - * An auxiliary variable for simpler searches. - */ - voice *searcher_aid; - - public: - /** - * Cronstructor. - */ - VoiceManager(int totalvoices); - - /** - * Destructor. - */ - ~VoiceManager(); - - /** - * Allocates a voice used in channel @p chn, and playing key @p key - * @return the voice that should be used. - * - * @see deallocateVoice - */ - - int allocateVoice(int chn,int key); - - /** - * Deallocates the voice with ID @p id. - * - * @see allocateVoice - */ - void deallocateVoice(int id); - - /** - * initSearch() must be called always before search() to initialize - * internal variables. - * - * @see search - */ - void initSearch(void); - - /** - * Returns -1 if channel chn is not currently used, or a voice using - * channel @p chn if any. - * - * Calling search repeteadly, will return all the voices using channel - * @p chn, and a -1 after the last one. - * - * @see initSearch - */ - int search(int chn); - //returns -1 if channel chn is not currently used - // Continue searching for more voices which - // use the channel chn - - /** - * This is a convenience function that differs from the above in that it also - * looks for a specific note (the second parameter) - * - * @see initSearch - */ - int search(int chn,int note); - - /** - * Returns the channel that voice @p v is using. - */ - int channel(int v) {return VoiceList[v]->channel;} - - /** - * Returns the note that voice @p v is playing. - */ - int note(int v) {return VoiceList[v]->note;} - - /** - * Returns true or false if the voice @p v is being used or not respectively. - */ - int used(int v) {return VoiceList[v]->used;} - - /** - * Clears the lists of used voices. - */ - void clearLists(void); -}; - -#endif |