Added timidity for use in openttd
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pelya
206
project/jni/timidity/include/timidity.h
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206
project/jni/timidity/include/timidity.h
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/*
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libTiMidity -- MIDI to WAVE converter library
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Copyright (C) 1995 Tuukka Toivonen <toivonen@clinet.fi>
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Copyright (C) 2004 Konstantin Korikov <lostclus@ua.fm>
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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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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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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., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef TIMIDITY_H
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#define TIMIDITY_H
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#include <stdio.h>
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#include <stdlib.h>
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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#define LIBTIMIDITY_VERSION_MAJOR 0L
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#define LIBTIMIDITY_VERSION_MINOR 1L
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#define LIBTIMIDITY_PATCHLEVEL 0L
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#define LIBTIMIDITY_VERSION \
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((LIBTIMIDITY_VERSION_MAJOR<<16)| \
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(LIBTIMIDITY_VERSION_MINOR<< 8)| \
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(LIBTIMIDITY_PATCHLEVEL))
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/* Audio format flags (defaults to LSB byte order)
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*/
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#define MID_AUDIO_U8 0x0008 /* Unsigned 8-bit samples */
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#define MID_AUDIO_S8 0x8008 /* Signed 8-bit samples */
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#define MID_AUDIO_U16LSB 0x0010 /* Unsigned 16-bit samples */
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#define MID_AUDIO_S16LSB 0x8010 /* Signed 16-bit samples */
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#define MID_AUDIO_U16MSB 0x1010 /* As above, but big-endian byte order */
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#define MID_AUDIO_S16MSB 0x9010 /* As above, but big-endian byte order */
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#define MID_AUDIO_U16 MID_AUDIO_U16LSB
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#define MID_AUDIO_S16 MID_AUDIO_S16LSB
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/* Core Library Types
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*/
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typedef unsigned char uint8;
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typedef signed char sint8;
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typedef unsigned short uint16;
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typedef signed short sint16;
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typedef unsigned int uint32;
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typedef signed int sint32;
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typedef size_t (*MidIStreamReadFunc) (void *ctx, void *ptr, size_t size,
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size_t nmemb);
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typedef int (*MidIStreamCloseFunc) (void *ctx);
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typedef struct _MidIStream MidIStream;
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typedef struct _MidDLSPatches MidDLSPatches;
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typedef struct _MidSong MidSong;
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typedef struct _MidSongOptions MidSongOptions;
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struct _MidSongOptions
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{
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sint32 rate; /* DSP frequency -- samples per second */
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uint16 format; /* Audio data format */
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uint8 channels; /* Number of channels: 1 mono, 2 stereo */
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uint16 buffer_size; /* Sample buffer size in samples */
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};
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typedef enum
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{
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MID_SONG_TEXT = 0,
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MID_SONG_COPYRIGHT = 1
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} MidSongMetaId;
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/* Core Library Functions
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* ======================
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*/
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/* Initialize the library. If config_file is NULL
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* search for configuratin file in default directories
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*/
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extern int mid_init (char *config_file);
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/* Initialize the library without reading any
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* configuratin file
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*/
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extern int mid_init_no_config (void);
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/* Shutdown the library
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*/
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extern void mid_exit (void);
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/* Input Stream Functions
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* ======================
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*/
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/* Create input stream from a file name
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*/
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extern MidIStream *mid_istream_open_file (const char *file);
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/* Create input stream from a file pointer
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*/
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extern MidIStream *mid_istream_open_fp (FILE * fp, int autoclose);
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/* Create input stream from memory
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*/
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extern MidIStream *mid_istream_open_mem (void *mem, size_t size,
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int autofree);
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/* Create custom input stream
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*/
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extern MidIStream *mid_istream_open_callbacks (MidIStreamReadFunc read,
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MidIStreamCloseFunc close,
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void *context);
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/* Read data from input stream
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*/
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extern size_t mid_istream_read (MidIStream * stream, void *ptr, size_t size,
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size_t nmemb);
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/* Skip data from input stream
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*/
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extern void mid_istream_skip (MidIStream * stream, size_t len);
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/* Close and destroy input stream
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*/
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extern int mid_istream_close (MidIStream * stream);
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/* DLS Pathes Functions
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* ====================
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*/
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/* Load DLS patches
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*/
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extern MidDLSPatches *mid_dlspatches_load (MidIStream * stream);
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/* Destroy DLS patches
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*/
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extern void mid_dlspatches_free (MidDLSPatches * patches);
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/* MIDI Song Functions
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* ===================
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*/
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/* Load MIDI song
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*/
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extern MidSong *mid_song_load (MidIStream * stream,
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MidSongOptions * options);
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/* Load MIDI song with specified DLS pathes
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*/
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extern MidSong *mid_song_load_dls (MidIStream * stream,
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MidDLSPatches * patches,
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MidSongOptions * options);
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/* Set song amplification value
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*/
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extern void mid_song_set_volume (MidSong * song, int volume);
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/* Seek song to the start position and initialize conversion
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*/
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extern void mid_song_start (MidSong * song);
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/* Read WAVE data
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*/
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extern size_t mid_song_read_wave (MidSong * song, void *ptr, size_t size);
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/* Seek song to specified offset in millseconds
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*/
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extern void mid_song_seek (MidSong * song, uint32 ms);
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/* Get total song time in millseconds
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*/
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extern uint32 mid_song_get_total_time (MidSong * song);
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/* Get current song time in millseconds
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*/
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extern uint32 mid_song_get_time (MidSong * song);
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/* Get song meta data. Return NULL if no meta data found
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*/
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extern char *mid_song_get_meta (MidSong * song, MidSongMetaId what);
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/* Destroy song
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*/
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extern void mid_song_free (MidSong * song);
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#ifdef __cplusplus
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}
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#endif
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#endif /* TIMIDITY_H */
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