2 midi-track-parser.cc -- implement
4 source file of the GNU LilyPond music typesetter
6 (c) 1997 Jan Nieuwenhuizen <jan@digicash.com>
10 #include "string-convert.hh"
11 #include "mi2mu-global.hh"
12 #include "midi-track-parser.hh"
13 #include "mudela-column.hh"
14 #include "mudela-item.hh"
15 #include "mudela-score.hh"
16 #include "mudela-staff.hh"
18 Midi_track_parser::Midi_track_parser (Midi_parser_info* info_l)
23 mudela_staff_p_ = new Mudela_staff (0, "", "", "");
28 Midi_track_parser::~Midi_track_parser ()
30 delete mudela_staff_p_;
35 Midi_track_parser::at_mom ()
41 Midi_track_parser::eot ()
43 if ( info_l_->byte_L_ < info_l_->end_byte_L_ )
49 Midi_track_parser::note_end (Mudela_column* col_l, int channel_i, int pitch_i, int aftertouch_i )
54 for (PCursor<Mudela_note*> i (open_note_l_list_.top ()); i.ok (); i++)
56 if ((i->pitch_i_ == pitch_i) && (i->channel_i_ == channel_i))
58 i->end_column_l_ = col_l;
59 // LOGOUT(DEBUG_ver) << "Note: " << pitch_i;
60 // LOGOUT(DEBUG_ver) << "; " << i->mudela_column_l_->at_mom_;
61 // LOGOUT(DEBUG_ver) << ", " << i->end_column_l_->at_mom_ << "\n";
66 warning (String ("junking note-end event: ")
67 + " channel = " + String_convert::i2dec_str (channel_i, 0, ' ')
68 + ", pitch = " + String_convert::i2dec_str (pitch_i, 0, ' '));
72 Midi_track_parser::note_end_all (Mudela_column* col_l)
75 for (PCursor<Mudela_note*> i (open_note_l_list_.top ()); i.ok (); i++)
77 i->end_column_l_ = col_l;
86 Midi_track_parser::parse (Mudela_column* col_l)
88 Moment mom = at_mom ();
89 while (!eot () && (mom == at_mom ()))
91 Mudela_item* p = parse_event (col_l);
93 mudela_staff_p_->add_item (p);
99 Mudela_staff* p = mudela_staff_p_;
105 Midi_track_parser::parse_delta_time ()
109 int delta_i = get_var_i ();
110 at_mom_ += Moment (delta_i, info_l_->division_1_i_);
114 Midi_track_parser::parse_event (Mudela_column* col_l)
116 Byte byte = peek_byte ();
117 // RUNNING_STATUS [\x00-\x5f]
120 if (running_byte_ <= 0x5f)
121 exit ("Invalid running status");
123 'running status' rather means 'missing status'.
124 we'll just pretend we read the running status byte.
126 byte = running_byte_;
131 Mudela_item* item_p = 0;
132 // DATA_ENTRY [\x60-\x79]
133 if ((byte >= 0x60) && (byte <= 0x79))
137 // ALL_NOTES_OFF [\x7a-\x7f]
138 else if ((byte >= 0x7a) && (byte <= 0x7f))
142 note_end_all (col_l);
144 // NOTE_OFF [\x80-\x8f]
145 else if ((byte >= 0x80) && (byte <= 0x8f))
147 running_byte_ = byte;
148 int channel_i = byte & ~0x90;
149 int pitch_i = (int)next_byte ();
150 int dyn_i = (int)next_byte ();
151 note_end (col_l, channel_i, pitch_i, dyn_i);
153 // NOTE_ON [\x90-\x9f]
154 else if ((byte >= 0x90) && (byte <= 0x9f))
156 running_byte_ = byte;
157 int channel_i = byte & ~0x90;
158 int pitch_i = (int)next_byte ();
159 int dyn_i = (int)next_byte ();
161 sss: some broken devices encode NOTE_OFF as
162 NOTE_ON with zero volume
166 Mudela_note* p = new Mudela_note (col_l, channel_i, pitch_i, dyn_i);
168 open_note_l_list_.bottom ().add (p);
172 note_end (col_l, channel_i, pitch_i, dyn_i);
175 // POLYPHONIC_AFTERTOUCH [\xa0-\xaf]
176 else if ((byte >= 0xa0) && (byte <= 0xaf))
178 running_byte_ = byte;
182 // CONTROLMODE_CHANGE [\xb0-\xbf]
183 else if ((byte >= 0xb0) && (byte <= 0xbf))
185 running_byte_ = byte;
189 // PROGRAM_CHANGE [\xc0-\xcf]
190 else if ((byte >= 0xc0) && (byte <= 0xcf))
192 running_byte_ = byte;
195 // CHANNEL_AFTERTOUCH [\xd0-\xdf]
196 else if ((byte >= 0xd0) && (byte <= 0xdf))
198 running_byte_ = byte;
202 // PITCHWHEEL_RANGE [\xe0-\xef]
203 else if ((byte >= 0xe0) && (byte <= 0xef))
205 running_byte_ = byte;
209 // SYSEX_EVENT1 [\xf0]
210 else if (byte == 0xf0)
212 int length_i = get_var_i ();
213 String str = get_str (length_i);
215 // SYSEX_EVENT2 [\xf7]
216 else if (byte == 0xf7)
218 int length_i = get_var_i ();
219 String str = get_str (length_i);
222 else if (byte == 0xff)
224 // SEQUENCE [\x00][\x02]
232 // YYCOPYRIGHT [\x02]
233 // YYTRACK_NAME [\x03]
234 // YYINSTRUMENT_NAME [\x04]
237 // YYCUE_POINT [\x07]
238 else if ((byte >= 0x01) && (byte <= 0x07))
240 // LOGOUT (DEBUG_ver) << "\n% Text(" << (int)byte << "):" << flush;
241 int length_i = get_var_i ();
242 String str = get_str (length_i);
243 // LOGOUT (DEBUG_ver) << str << endl;
244 Mudela_text::Type t = (Mudela_text::Type)byte;
245 Mudela_text* p = new Mudela_text (t, str);
247 if (t == Mudela_text::COPYRIGHT)
248 mudela_staff_p_->copyright_str_ = p->text_str_;
249 else if (t == Mudela_text::TRACK_NAME)
250 mudela_staff_p_->name_str_ = p->text_str_;
251 else if (t == Mudela_text::INSTRUMENT_NAME)
252 mudela_staff_p_->instrument_str_ = p->text_str_;
254 // END_OF_TRACK [\x2f][\x00]
257 Byte next = peek_byte ();
258 if ((byte == 0x2f) && (next == 0x00))
261 info_l_->byte_L_ = info_l_->end_byte_L_;
263 // TEMPO [\x51][\x03]
264 else if ((byte == 0x51) && (next == 0x03))
267 unsigned useconds_per_4_u = get_u (3);
268 // $$ = new Mudela_tempo ( ($2 << 16) + ($3 << 8) + $4);
269 // LOGOUT (DEBUG_ver) << $$->str() << endl;
270 Mudela_tempo* p = new Mudela_tempo ( useconds_per_4_u );
272 info_l_->score_l_->mudela_tempo_l_ = p;
274 // SMPTE_OFFSET [\x54][\x05]
275 else if ((byte == 0x54) && (next == 0x05))
285 else if ((byte == 0x58) && (next == 0x04))
288 int num_i = (int)next_byte ();
289 int den_i = (int)next_byte ();
290 int clocks_4_i = (int)next_byte ();
291 int count_32_i = (int)next_byte ();
292 Mudela_meter* p = new Mudela_meter ( num_i, den_i, clocks_4_i, count_32_i );
294 info_l_->score_l_->mudela_meter_l_ = p;
295 info_l_->bar_mom_ = p->bar_mom ();
298 else if ((byte == 0x59) && (next == 0x02))
301 int accidentals_i = (int)next_byte ();
302 int minor_i = (int)next_byte ();
303 Mudela_key* p = new Mudela_key (accidentals_i, minor_i);
305 info_l_->score_l_->mudela_key_l_ = p;
307 // SSME [\0x7f][\x03]
308 else if ((byte == 0x7f) && (next == 0x03))
311 int length_i = get_var_i ();
312 String str = get_str (length_i);
313 item_p = new Mudela_text ((Mudela_text::Type)byte, str);
319 warning ("Unimplemented MIDI meta-event");
324 exit ("Invalid MIDI event");
327 item_p->mudela_column_l_ = col_l;
335 Midi_track_parser::parse_header ()
337 String str = get_str (4);
339 exit ("MIDI track expected");
341 int length_i = get_i (4);
344 exit ("Invalid track length");
345 assert (!track_info_p_);
346 track_info_p_ = new Midi_parser_info (*info_l_);
347 track_info_p_->end_byte_L_ = track_info_p_->byte_L_ + length_i;
348 forward_byte_L (length_i);
349 // forward_byte_L (length_i-1);
350 info_l_ = track_info_p_;