diff options
Diffstat (limited to 'shared/common/mifi.h')
| -rw-r--r-- | shared/common/mifi.h | 157 |
1 files changed, 85 insertions, 72 deletions
diff --git a/shared/common/mifi.h b/shared/common/mifi.h index 5524993..1163a5d 100644 --- a/shared/common/mifi.h +++ b/shared/common/mifi.h @@ -1,84 +1,97 @@ -/* Copyright (c) 2001-2003 krzYszcz and others. +/* Copyright (c) 2004 krzYszcz and others. * For information on usage and redistribution, and for a DISCLAIMER OF ALL * WARRANTIES, see the file, "LICENSE.txt," in this distribution. */ -/* reading/writing midifiles, a prototype version */ - #ifndef __MIFI_H__ #define __MIFI_H__ -/* event types, as returned by mifi_read_event() */ -#define MIFI_READ_FATAL -3 /* unexpected eof, error in last track, or file error */ -#define MIFI_READ_EOF -2 /* regular eof */ -#define MIFI_READ_SKIP -1 /* error and successful skip to the next track */ -#define MIFI_META_SEQNUM 0 -#define MIFI_META_TEXT 1 -#define MIFI_META_COPYRIGHT 2 -#define MIFI_META_TRACKNAME 3 -#define MIFI_META_INSTRUMENT 4 -#define MIFI_META_LYRIC 5 -#define MIFI_META_MARKER 6 -#define MIFI_META_CUE 7 -#define MIFI_META_MAXPRINTABLE 15 /* 1..15 are various text meta-events */ -#define MIFI_META_CHANNEL 0x20 /* channel prefix */ -#define MIFI_META_EOT 0x2f /* end of track */ -#define MIFI_META_TEMPO 0x51 -#define MIFI_META_SMPTE 0x54 /* SMPTE offset */ -#define MIFI_META_TIMESIG 0x58 /* time signature */ -#define MIFI_META_KEYSIG 0x59 /* key signature */ +EXTERN_STRUCT _mifiread; +#define t_mifiread struct _mifiread +EXTERN_STRUCT _mifiwrite; +#define t_mifiwrite struct _mifiwrite + +typedef int (*t_mifireadhook)(t_mifiread *mf, void *hookdata, int evtype); + +#define MIFI_MAXTRACKS 0x7fff +#define MIFI_MAXBEATTICKS 0x7fff + +/* event types, as returned by mifiread_nextevent(), ... */ + +#define MIFIREAD_FATAL -3 /* unexpected eof, last track's or file error */ +#define MIFIREAD_EOF -2 /* regular eof */ +#define MIFIREAD_SKIP -1 /* error and successful skip to the next track */ + +#define MIFIMETA_SEQNUM 0 +#define MIFIMETA_TEXT 1 +#define MIFIMETA_COPYRIGHT 2 +#define MIFIMETA_TRACKNAME 3 +#define MIFIMETA_INSTRUMENT 4 +#define MIFIMETA_LYRIC 5 +#define MIFIMETA_MARKER 6 +#define MIFIMETA_CUE 7 +#define MIFIMETA_MAXPRINTABLE 15 /* 1..15 are various text meta-events */ +#define MIFIMETA_CHANNEL 0x20 /* channel prefix */ +#define MIFIMETA_EOT 0x2f /* end of track */ +#define MIFIMETA_TEMPO 0x51 +#define MIFIMETA_SMPTE 0x54 /* SMPTE offset */ +#define MIFIMETA_TIMESIG 0x58 /* time signature */ +#define MIFIMETA_KEYSIG 0x59 /* key signature */ + /* ...channel status codes go here, too obvious to #define... */ -#define MIFI_SYSEX_FIRST 0xf0 -#define MIFI_SYSEX_NEXT 0xf7 -/* this code is not returned as an event type, but in e_status of t_mifi_event */ -#define MIFI_EVENT_META 0xff + +#define MIFISYSEX_FIRST 0xf0 +#define MIFISYSEX_NEXT 0xf7 + +/* this code is not returned as an event type, but in e_status of t_mifievent */ +#define MIFIEVENT_META 0xff /* true if one of channel messages */ -#define MIFI_IS_CHANNEL(status) (((status) & 0x80) && (status) < 0xf0) +#define MIFI_ISCHANNEL(status) (((status) & 0x80) && (status) < 0xf0) /* true if one of the two shorter channel messages */ -#define MIFI_ONE_DATABYTE(status) (((status) & 0xe0) == 0xc0) - -/* derived from t_squeve */ -typedef struct _mifi_event -{ - uint32 e_length; - uchar *e_data; - size_t e_bufsize; - uint32 e_delay; - uchar e_status; - uchar e_channel; - uchar e_meta; /* meta-event type */ -} t_mifi_event; - -/* This structure holds midi data stream properties, i.e. both the info stored - in midifile header, and the current state according to position in a stream. */ -/* LATER clean up t_sq and derive t_mifi_stream */ -typedef struct _sq t_mifi_stream; - -/* prototypes of public interface routines */ - -t_mifi_event *mifi_event_new(void); -void mifi_event_free(t_mifi_event *ep); -int mifi_event_settext(t_mifi_event *ep, int type, char *text); -void mifi_event_printmeta(t_mifi_event *ep); - -t_mifi_stream *mifi_stream_new(void); -void mifi_stream_reset(t_mifi_stream *sp); -void mifi_stream_free(t_mifi_stream *sp); - -t_mifi_stream *mifi_read_start(t_mifi_stream *sp, - const char *filename, const char *dirname, - int complain); -int mifi_read_restart(t_mifi_stream *sp); -void mifi_read_end(t_mifi_stream *sp); -int mifi_read_event(t_mifi_stream *sp, t_mifi_event *ep); -int mifi_read_analyse(t_mifi_stream *sp); -int mifi_read_doit(t_mifi_stream *sp); - -t_mifi_stream *mifi_write_start(t_mifi_stream *sp, - const char *filename, const char *dirname); -void mifi_write_end(t_mifi_stream *sp); -int mifi_write_start_track(t_mifi_stream *sp); -int mifi_write_adjust_track(t_mifi_stream *sp, uint32 eotdelay); -int mifi_write_event(t_mifi_stream *sp, t_mifi_event *ep); +#define MIFI_ONEDATABYTE(status) (((status) & 0xe0) == 0xc0) + +int mifiread_getnevents(t_mifiread *mr); +int mifiread_getntempi(t_mifiread *mr); +int mifiread_gethdtracks(t_mifiread *mr); +int mifiread_getformat(t_mifiread *mr); +int mifiread_getnframes(t_mifiread *mr); +int mifiread_getbeatticks(t_mifiread *mr); +double mifiread_getdeftempo(t_mifiread *mr); + +int mifiread_getbarindex(t_mifiread *mr); +double mifiread_getbarspan(t_mifiread *mr); +double mifiread_gettick(t_mifiread *mr); +double mifiread_getscoretime(t_mifiread *mr); +double mifiread_gettempo(t_mifiread *mr); +double mifiread_getmscoef(t_mifiread *mr); +t_symbol *mifiread_gettrackname(t_mifiread *mr); +unsigned mifiread_getstatus(t_mifiread *mr); +unsigned mifiread_getdata1(t_mifiread *mr); +unsigned mifiread_getdata2(t_mifiread *mr); +unsigned mifiread_getchannel(t_mifiread *mr); +t_pd *mifiread_getowner(t_mifiread *mr); + +t_mifiread *mifiread_new(t_pd *owner); +void mifiread_setuserticks(t_mifiread *mr, double wholeticks); +int mifiread_open(t_mifiread *mr, const char *filename, + const char *dirname, int complain); +int mifiread_doit(t_mifiread *mr, t_mifireadhook hook, void *hookdata); +void mifiread_close(t_mifiread *mr); +void mifiread_free(t_mifiread *mr); + +t_mifiwrite *mifiwrite_new(t_pd *owner); +void mifiwrite_sethardticks(t_mifiwrite *mw, int beatticks); +void mifiwrite_setuserticks(t_mifiwrite *mw, double wholeticks); +void mifiwrite_setusertempo(t_mifiwrite *mw, double tickspersec); +int mifiwrite_open(t_mifiwrite *mw, const char *filename, + const char *dirname, int ntracks, int complain); +int mifiwrite_opentrack(t_mifiwrite *mw, char *trackname, int complain); +int mifiwrite_textevent(t_mifiwrite *mw, double delay, + unsigned type, char *text); +int mifiwrite_channelevent(t_mifiwrite *mw, double delay, unsigned status, + unsigned channel, unsigned data1, unsigned data2); +int mifiwrite_closetrack(t_mifiwrite *mw, double enddelay, int complain); +void mifiwrite_close(t_mifiwrite *mw); +void mifiwrite_free(t_mifiwrite *mw); #endif |