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Location: cpp/openttd-patchpack/source/src/music/midifile.hpp - annotation
r27487:4d1c2a7bde00
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text/x-c++hdr
Codechange: remove queue_wrap / last_position from mouse movement
No backend uses it anymore, so also no longer any need to support
it.
No backend uses it anymore, so also no longer any need to support
it.
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* This file is part of OpenTTD.
* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
* OpenTTD 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 General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/* @file midifile.hpp Parser for standard MIDI files */
#ifndef MUSIC_MIDIFILE_HPP
#define MUSIC_MIDIFILE_HPP
#include "../stdafx.h"
#include "midi.h"
struct MusicSongInfo;
struct MidiFile {
struct DataBlock {
uint32 ticktime; ///< tick number since start of file this block should be triggered at
uint32 realtime; ///< real-time (microseconds) since start of file this block should be triggered at
std::vector<byte> data; ///< raw midi data contained in block
DataBlock(uint32 _ticktime = 0) : ticktime(_ticktime) { }
};
struct TempoChange {
uint32 ticktime; ///< tick number since start of file this tempo change occurs at
uint32 tempo; ///< new tempo in microseconds per tick
TempoChange(uint32 _ticktime, uint32 _tempo) : ticktime(_ticktime), tempo(_tempo) { }
};
std::vector<DataBlock> blocks; ///< sequential time-annotated data of file, merged to a single track
std::vector<TempoChange> tempos; ///< list of tempo changes in file
uint16 tickdiv; ///< ticks per quarter note
MidiFile();
~MidiFile();
bool LoadFile(const char *filename);
bool LoadMpsData(const byte *data, size_t length);
bool LoadSong(const MusicSongInfo &song);
void MoveFrom(MidiFile &other);
bool WriteSMF(const char *filename);
static std::string GetSMFFile(const MusicSongInfo &song);
static bool ReadSMFHeader(const char *filename, SMFHeader &header);
static bool ReadSMFHeader(FILE *file, SMFHeader &header);
};
#endif /* MUSIC_MIDIFILE_HPP */
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