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60 lines
2.0 KiB
C++
60 lines
2.0 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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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 3 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, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef AUDIO_MIDIPARSER_SMF_H
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#define AUDIO_MIDIPARSER_SMF_H
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#include "audio/midiparser.h"
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/**
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* The Standard MIDI File version of MidiParser.
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*/
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class MidiParser_SMF : public MidiParser {
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protected:
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byte *_buffer;
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int8 _noteChannelToTrack[16];
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protected:
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/**
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* Compresses the specified type 1 MIDI tracks to a single type 0 track.
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*
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* @param tracks Pointer to an array of type 1 tracks.
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* @param numTracks The number of type 1 tracks.
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* @param buffer Buffer which will contain the compressed type 0 track.
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* @param malformedPitchBends True if broken pitch bend events consisting
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* of just the command byte should be ignored. This is only useful for MIDI
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* data which has this specific problem.
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* @return The size of the compressed type 0 track in bytes.
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*/
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uint32 compressToType0(byte *tracks[], byte numTracks, byte *buffer, bool malformedPitchBends = false);
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void parseNextEvent(EventInfo &info) override;
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public:
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MidiParser_SMF(int8 source = -1);
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~MidiParser_SMF();
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bool loadMusic(byte *data, uint32 size) override;
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int32 determineDataSize(Common::SeekableReadStream *stream) override;
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};
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#endif
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