57 lines
1.9 KiB
C++
57 lines
1.9 KiB
C++
// ------------------------------------------------------------------------
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// midi-parser.cpp: Collection of static functions and small stateful
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// machines for parsing MIDI messages.
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// Copyright (C) 2001 Kai Vehmanen
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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, MA 02111-1307 USA
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// ------------------------------------------------------------------------
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#include "midi-parser.h"
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/**
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* Whether 'byte' belong to Voice Category status messages
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* (ie. 0x80 to 0xef)?
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*/
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bool MIDI_PARSER::is_voice_category_status_byte(unsigned char byte) {
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if (byte >= 0x80 && byte < 0xf0) return(true);
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return(false);
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}
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/**
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* Whether 'byte' belong to System Common Category status messages
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* (ie. 0xf0 to 0xf7)?
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*/
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bool MIDI_PARSER::is_system_common_category_status_byte(unsigned char byte) {
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if (byte >= 0xf0 && byte < 0xf8) return(true);
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return(false);
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}
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/**
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* Whether 'byte' belongs to Realtime Category status messages
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* (ie. 0xf8 to 0xff)?
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*/
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bool MIDI_PARSER::is_realtime_category_status_byte(unsigned char byte) {
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if (byte > 0xf7) return(true);
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return(false);
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}
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/**
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* Whether 'byte' is a status byte (0x80 to 0xff)?
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*/
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bool MIDI_PARSER::is_status_byte(unsigned char byte) {
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if (byte & 0x80) return(true);
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return(false);
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}
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