68 lines
1.9 KiB
C++
68 lines
1.9 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_HMP_H
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#define AUDIO_MIDIPARSER_HMP_H
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#include "audio/midiparser_smf.h"
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/**
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* MIDI parser for the HMI SOS format HMP.
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*
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* Implementation is incomplete. Currently only the track chunks are read and
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* played back. Not implented yet: device track mapping, branching, callbacks, etc.
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*/
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class MidiParser_HMP : public MidiParser_SMF {
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protected:
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enum class HmpVersion {
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VERSION_1,
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VERSION_013195
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};
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static const char HMP_HEADER[];
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static const char HMP_HEADER_VERSION_1[];
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static const char HMP_HEADER_VERSION_013195[];
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uint32 readDelta(const byte *&data) override;
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HmpVersion determineVersion(const byte *pos);
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public:
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MidiParser_HMP(int8 source = -1);
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bool loadMusic(const byte *data, uint32 size) override;
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int32 determineDataSize(Common::SeekableReadStream *stream) override;
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protected:
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HmpVersion _version;
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uint32 _branchOffset;
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// Total track length in seconds
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uint32 _songLength;
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uint32 _channelPriorities[16];
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uint32 _deviceTrackMappings[32][5];
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uint8 _restoreControllers[128];
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uint32 _callbackPointer;
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uint32 _callbackSegment;
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};
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#endif
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