X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fmidi-item.cc;h=b2f1231ae19559364e849f9e397be2f789df8a4b;hb=5b4b0d6e9a197e8f9eb085b7c2ad78b8be3e5cfc;hp=867b7bad2bb6d7b036b3c47a600426fc9ca99b7b;hpb=8a28f0429e9ce4ce7258156d62261b939edd72d1;p=lilypond.git diff --git a/lily/midi-item.cc b/lily/midi-item.cc index 867b7bad2b..b2f1231ae1 100644 --- a/lily/midi-item.cc +++ b/lily/midi-item.cc @@ -1,560 +1,341 @@ /* - midi-item.cc -- implement Midi items. + midi-item.cc -- implement MIDI items. source file of the GNU LilyPond music typesetter - (c) 1997--1999 Jan Nieuwenhuizen - */ + (c) 1997--2008 Jan Nieuwenhuizen +*/ -#include "proto.hh" -#include "debug.hh" -#include "misc.hh" -#include "string.hh" -#include "string-convert.hh" #include "midi-item.hh" -#include "midi-stream.hh" -#include "audio-item.hh" + #include "duration.hh" +#include "international.hh" +#include "main.hh" +#include "midi-stream.hh" +#include "misc.hh" +#include "program-option.hh" +#include "string-convert.hh" +#include "warn.hh" -#include "killing-cons.tcc" +#define PITCH_WHEEL_TOP 0x3FFF +#define PITCH_WHEEL_CENTER 0x2000 +#define PITCH_WHEEL_BOTTOM 0x0000 +#define PITCH_WHEEL_RANGE (PITCH_WHEEL_TOP - PITCH_WHEEL_BOTTOM) -Midi_item* -Midi_item::midi_p (Audio_item* a) +Midi_item * +Midi_item::get_midi (Audio_item *a) { - if (Audio_key* i = dynamic_cast (a)) + if (Audio_key *i = dynamic_cast (a)) return new Midi_key (i); - else if (Audio_instrument* i = dynamic_cast (a)) - return i->str_.length_i () ? new Midi_instrument (i) : 0; - else if (Audio_note* i = dynamic_cast (a)) + else if (Audio_instrument *i = dynamic_cast (a)) + return i->str_.length () ? new Midi_instrument (i) : 0; + else if (Audio_note *i = dynamic_cast (a)) return new Midi_note (i); - else if (Audio_tempo* i = dynamic_cast (a)) + else if (Audio_dynamic *i = dynamic_cast (a)) + return new Midi_dynamic (i); + else if (Audio_piano_pedal *i = dynamic_cast (a)) + return new Midi_piano_pedal (i); + else if (Audio_tempo *i = dynamic_cast (a)) return new Midi_tempo (i); - else if (Audio_time_signature* i = dynamic_cast (a)) + else if (Audio_time_signature *i = dynamic_cast (a)) return new Midi_time_signature (i); - else if (Audio_text* i = dynamic_cast (a)) - return i->text_str_.length_i () ? new Midi_text (i) : 0; + else if (Audio_text *i = dynamic_cast (a)) + return new Midi_text (i); else assert (0); - // isn't C++ grand? return 0; } -void -Midi_chunk::set (String header_str, String data_str, String footer_str) -{ - data_str_ = data_str; - footer_str_ = footer_str; - header_str_ = header_str; -} - -String -Midi_chunk::data_str () const -{ - return data_str_; -} -String -Midi_chunk::str () const -{ - String str = header_str_; - String dat = data_str (); - String length_str = String_convert::i2hex_str (dat.length_i () - + footer_str_.length_i (), 8, '0'); - length_str = String_convert::hex2bin_str (length_str); - str += length_str; - str += dat; - str += footer_str_; - return str; -} Midi_duration::Midi_duration (Real seconds_f) { - seconds_f_ = seconds_f; + seconds_ = seconds_f; } -String -Midi_duration::str () const +string +Midi_duration::to_string () const { - return String (""; + return string (""; } -Midi_event::Midi_event (Moment delta_mom, Midi_item* midi_p) +Midi_instrument::Midi_instrument (Audio_instrument *a) { - delta_mom_ = delta_mom; - midi_p_ = midi_p; + audio_ = a; + audio_->str_ = String_convert::to_lower (audio_->str_); } -String -Midi_event::str () const +string +Midi_instrument::to_string () const { - int delta_i = delta_mom_ * Moment (384 * 4); // ugh. - - String delta_str = Midi_item::i2varint_str (delta_i); - String midi_str = midi_p_->str (); - assert (midi_str.length_i ()); - return delta_str + midi_str; -} - - -Midi_header::Midi_header (int format_i, int tracks_i, int clocks_per_4_i) -{ - String str; - - String format_str = String_convert::i2hex_str (format_i, 4, '0'); - str += String_convert::hex2bin_str (format_str); - - String tracks_str = String_convert::i2hex_str (tracks_i, 4, '0'); - str += String_convert::hex2bin_str (tracks_str); - - String tempo_str = String_convert::i2hex_str (clocks_per_4_i, 4, '0'); - str += String_convert::hex2bin_str (tempo_str); - - set ("MThd", str, ""); -} + Byte program_byte = 0; + bool found = false; + SCM proc = ly_lily_module_constant ("midi-program"); + SCM program = scm_call_1 (proc, ly_symbol2scm (audio_->str_.c_str ())); + found = (program != SCM_BOOL_F); + if (found) + program_byte = scm_to_int (program); + else + warning (_f ("no such MIDI instrument: `%s'", audio_->str_.c_str ())); -/* why doesn't this start at 0 ? - - TODO: -> IN GUILE! - */ -char const* const instrument_name_sz_a_[ ] = { - /* default is usually piano */ - /* 0 "piano", */ - - /* (1-8 piano) */ - /* 1 */ "acoustic grand", - /* 2 */ "bright acoustic", - /* 3 */ "electric grand", - /* 4 */ "honky-tonk", - /* 5 */ "electric piano 1", - /* 6 */ "electric piano 2", - /* 7 */ "harpsichord", - /* 8 */ "clav", - - /* (9-16 chrom percussion) */ - /* 9 */ "celesta", - /* 10 */ "glockenspiel", - /* 11 */ "music box", - /* 12 */ "vibraphone", - /* 13 */ "marimba", - /* 14 */ "xylophone", - /* 15 */ "tubular bells", - /* 16 */ "dulcimer", - - /* (17-24 organ) */ - /* 17 */ "drawbar organ", - /* 18 */ "percussive organ", - /* 19 */ "rock organ", - /* 20 */ "church organ", - /* 21 */ "reed organ", - /* 22 */ "accordion", - /* 23 */ "harmonica", - /* 24 */ "concertina", - - /* (25-32 guitar) */ - /* 25 */ "acoustic guitar (nylon)", - /* 26 */ "acoustic guitar (steel)", - /* 27 */ "electric guitar (jazz)", - /* 28 */ "electric guitar (clean)", - /* 29 */ "electric guitar (muted)", - /* 30 */ "overdriven guitar", - /* 31 */ "distorted guitar", - /* 32 */ "guitar harmonics", - - /* (33-40 bass) */ - /* 33 */ "acoustic bass", - /* 34 */ "electric bass (finger)", - /* 35 */ "electric bass (pick)", - /* 36 */ "fretless bass", - /* 37 */ "slap bass 1", - /* 38 */ "slap bass 2", - /* 39 */ "synth bass 1", - /* 40 */ "synth bass 2", - - /* (41-48 strings) */ - /* 41 */ "violin", - /* 42 */ "viola", - /* 43 */ "cello", - /* 44 */ "contrabass", - /* 45 */ "tremolo strings", - /* 46 */ "pizzicato strings", - /* 47 */ "orchestral strings", - /* 48 */ "timpani", - - /* (49-56 ensemble) */ - /* 49 */ "string ensemble 1", - /* 50 */ "string ensemble 2", - /* 51 */ "synthstrings 1", - /* 52 */ "synthstrings 2", - /* 53 */ "choir aahs", - /* 54 */ "voice oohs", - /* 55 */ "synth voice", - /* 56 */ "orchestra hit", - - /* (57-64 brass) */ - /* 57 */ "trumpet", - /* 58 */ "trombone", - /* 59 */ "tuba", - /* 60 */ "muted trumpet", - /* 61 */ "french horn", - /* 62 */ "brass section", - /* 63 */ "synthbrass 1", - /* 64 */ "synthbrass 2", - - /* (65-72 reed) */ - /* 65 */ "soprano sax", - /* 66 */ "alto sax", - /* 67 */ "tenor sax", - /* 68 */ "baritone sax", - /* 69 */ "oboe", - /* 70 */ "english horn", - /* 71 */ "bassoon", - /* 72 */ "clarinet", - - /* (73-80 pipe) */ - /* 73 */ "piccolo", - /* 74 */ "flute", - /* 75 */ "recorder", - /* 76 */ "pan flute", - /* 77 */ "blown bottle", - /* 78 */ "skakuhachi", - /* 79 */ "whistle", - /* 80 */ "ocarina", - - /* (81-88 synth lead) */ - /* 81 */ "lead 1 (square)", - /* 82 */ "lead 2 (sawtooth)", - /* 83 */ "lead 3 (calliope)", - /* 84 */ "lead 4 (chiff)", - /* 85 */ "lead 5 (charang)", - /* 86 */ "lead 6 (voice)", - /* 87 */ "lead 7 (fifths)", - /* 88 */ "lead 8 (bass+lead)", - - /* (89-96 synth pad) */ - /* 89 */ "pad 1 (new age)", - /* 90 */ "pad 2 (warm)", - /* 91 */ "pad 3 (polysynth)", - /* 92 */ "pad 4 (choir)", - /* 93 */ "pad 5 (bowed)", - /* 94 */ "pad 6 (metallic)", - /* 95 */ "pad 7 (halo)", - /* 96 */ "pad 8 (sweep)", - - /* (97-104 synth effects) */ - /* 97 */ "fx 1 (rain)", - /* 98 */ "fx 2 (soundtrack)", - /* 99 */ "fx 3 (crystal)", - /* 100 */ "fx 4 (atmosphere)", - /* 101 */ "fx 5 (brightness)", - /* 102 */ "fx 6 (goblins)", - /* 103 */ "fx 7 (echoes)", - /* 104 */ "fx 8 (sci-fi)", - - /* (105-112 ethnic) */ - /* 105 */ "sitar", - /* 106 */ "banjo", - /* 107 */ "shamisen", - /* 108 */ "koto", - /* 109 */ "kalimba", - /* 110 */ "bagpipe", - /* 111 */ "fiddle", - /* 112 */ "shanai", - - /* (113-120 percussive) */ - /* 113 */ "tinkle bell", - /* 114 */ "agogo", - /* 115 */ "steel drums", - /* 116 */ "woodblock", - /* 117 */ "taiko drum", - /* 118 */ "melodic tom", - /* 119 */ "synth drum", - /* 120 */ "reverse cymbal", - - /* (121-128 sound effects) */ - /* 121 */ "guitar fret noise", - /* 122 */ "breath noise", - /* 123 */ "seashore", - /* 124 */ "bird tweet", - /* 125 */ "telephone ring", - /* 126 */ "helicopter", - /* 127 */ "applause", - /* 128 */ "gunshot", - 0 -}; - -Midi_instrument::Midi_instrument (Audio_instrument* a) -{ - audio_l_ = a; - audio_l_->str_.to_lower (); + string str = ::to_string ((char) (0xc0 + channel_)); //YIKES! FIXME : Should be track. -rz + str += ::to_string ((char)program_byte); + return str; } -String -Midi_instrument::str () const +Midi_item::Midi_item () { - Byte program_byte = 0; - bool found = false; - for (int i = 0; !found && instrument_name_sz_a_[i]; i++) - if (audio_l_->str_ == String (instrument_name_sz_a_[ i ])) - { - program_byte = (Byte)i; - found = true; - } - - if (!found) - { - warning (_f ("no such instrument: `%s'", audio_l_->str_.ch_C ())); - } - - String str = to_str ((char) (0xc0 + channel_i_)); - str += to_str ((char)program_byte); - return str; } -Midi_item::Midi_item () +Midi_channel_item::Midi_channel_item () { - channel_i_ = 0; + channel_ = 0; } Midi_item::~Midi_item () { } -String -Midi_item::i2varint_str (int i) +string +int2midi_varint_string (int i) { - int buffer_i = i & 0x7f; - while ( (i >>= 7) > 0) + int buffer = i & 0x7f; + while ((i >>= 7) > 0) { - buffer_i <<= 8; - buffer_i |= 0x80; - buffer_i += (i & 0x7f); + buffer <<= 8; + buffer |= 0x80; + buffer += (i & 0x7f); } - String str; - while (1) + string str; + while (1) { - str += to_str ((char)buffer_i); - if (buffer_i & 0x80) - buffer_i >>= 8; + str += ::to_string ((char)buffer); + if (buffer & 0x80) + buffer >>= 8; else break; } return str; } -Midi_key::Midi_key (Audio_key*a) +Midi_key::Midi_key (Audio_key *a) { - audio_l_ = a; + audio_ = a; } -String -Midi_key::str () const +string +Midi_key::to_string () const { - int sharps_i = audio_l_->key_.sharps_i (); - int flats_i = audio_l_->key_.flats_i (); - - // midi cannot handle non-conventional keys - if (flats_i && sharps_i) - { - String str = _f ("unconventional key: flats: %d, sharps: %d", flats_i, - sharps_i); - flats_i = sharps_i = 0; - } - int accidentals_i = sharps_i - flats_i; - - String str = "ff5902"; - str += String_convert::i2hex_str (accidentals_i, 2, '0'); - str += String_convert::i2hex_str ((int)audio_l_->key_.minor_b (), 2, '0'); - return String_convert::hex2bin_str (str); + string str = "ff5902"; + str += String_convert::int2hex (audio_->accidentals_, 2, '0'); + if (audio_->major_) + str += String_convert::int2hex (0, 2, '0'); + else + str += String_convert::int2hex (1, 2, '0'); + return String_convert::hex2bin (str); } -Midi_time_signature::Midi_time_signature (Audio_time_signature* a) +Midi_time_signature::Midi_time_signature (Audio_time_signature *a) { - audio_l_ = a; - clocks_per_1_i_ = 18; + audio_ = a; + clocks_per_1_ = 18; } -String -Midi_time_signature::str () const +string +Midi_time_signature::to_string () const { - int num_i = audio_l_->beats_i_; - int den_i = audio_l_->one_beat_i_; - - String str = "ff5804"; - str += String_convert::i2hex_str (num_i, 2, '0'); - str += String_convert::i2hex_str (intlog2 (den_i) , 2, '0'); - str += String_convert::i2hex_str (clocks_per_1_i_, 2, '0'); - str += String_convert::i2hex_str (8, 2, '0'); - return String_convert::hex2bin_str (str); + int num = abs (audio_->beats_); + if (num > 255) + { + warning ("Time signature with more than 255 beats. Truncating"); + num = 255; + } + + int den = audio_->one_beat_; + + + + string str = "ff5804"; + str += String_convert::int2hex (num, 2, '0'); + str += String_convert::int2hex (intlog2 (den), 2, '0'); + str += String_convert::int2hex (clocks_per_1_, 2, '0'); + str += String_convert::int2hex (8, 2, '0'); + return String_convert::hex2bin (str); } -Midi_note::Midi_note (Audio_note* a) +Midi_note::Midi_note (Audio_note *a) { - audio_l_ = a; + audio_ = a; dynamic_byte_ = 0x7f; } -Moment -Midi_note::length_mom () const + +int +Midi_note::get_fine_tuning () const { - Moment m = audio_l_->length_mom_; -#if 0 - if (m < Moment (1, 1000)) - { - warning (_ ("silly duration")); - m = 1; - } -#endif - return m; + Rational tune = (audio_->pitch_.tone_pitch () + + audio_->transposing_.tone_pitch ()) * Rational (2); + tune -= Rational (get_semitone_pitch ()); + + tune *= 100; + return (int) double (tune); } int -Midi_note::pitch_i () const +Midi_note::get_semitone_pitch () const { - int p = audio_l_->pitch_.semitone_pitch () + audio_l_->transposing_i_; - if (p == INT_MAX) - { - warning (_ ("silly pitch")); - p = 0; - } - return p; + return int (double ((audio_->pitch_.tone_pitch () + + audio_->transposing_.tone_pitch ()) * Rational (2))); } -String -Midi_note::str () const +string +Midi_note::to_string () const { - Byte status_byte = (char) (0x90 + channel_i_); + Byte status_byte = (char) (0x90 + channel_); + string str = ""; + int finetune; - String str = to_str ((char)status_byte); - str += to_str ((char) (pitch_i () + c0_pitch_i_c_)); + // print warning if fine tuning was needed, HJJ + if (get_fine_tuning () != 0) + { + finetune = PITCH_WHEEL_CENTER; + // Move pitch wheel to a shifted position. + // The pitch wheel range (of 4 semitones) is multiplied by the cents. + finetune += (PITCH_WHEEL_RANGE *get_fine_tuning ()) / (4 * 100); + + str += ::to_string ((char) (0xE0 + channel_)); + str += ::to_string ((char) (finetune & 0x7F)); + str += ::to_string ((char) (finetune >> 7)); + str += ::to_string ((char) (0x00)); + } + + str += ::to_string ((char) status_byte); + str += ::to_string ((char) (get_semitone_pitch () + c0_pitch_)); + str += ::to_string ((char) dynamic_byte_); - str += to_str ((char)dynamic_byte_); return str; } -Midi_note_off::Midi_note_off (Midi_note* n) - : Midi_note (n->audio_l_) +Midi_note_off::Midi_note_off (Midi_note *n) + : Midi_note (n->audio_) { - on_l_ = n; - channel_i_ = n->channel_i_; + on_ = n; + channel_ = n->channel_; // Anybody who hears any difference, or knows how this works? // 0 should definitely be avoided, notes stick on some sound cards. // 64 is supposed to be neutral - aftertouch_byte_ = 64; + aftertouch_byte_ = 64; } -String -Midi_note_off::str () const +string +Midi_note_off::to_string () const { - Byte status_byte = (char) (0x80 + channel_i_); + Byte status_byte = (char) (0x80 + channel_); + + string str = ::to_string ((char)status_byte); + str += ::to_string ((char) (get_semitone_pitch () + Midi_note::c0_pitch_)); + str += ::to_string ((char)aftertouch_byte_); + + if (get_fine_tuning () != 0) + { + // Move pitch wheel back to the central position. + str += ::to_string ((char) 0x00); + str += ::to_string ((char) (0xE0 + channel_)); + str += ::to_string ((char) (PITCH_WHEEL_CENTER &0x7F)); + str += ::to_string ((char) (PITCH_WHEEL_CENTER >> 7)); + } - String str = to_str ((char)status_byte); - str += to_str ((char) (pitch_i () + Midi_note::c0_pitch_i_c_)); - str += to_str ((char)aftertouch_byte_); return str; } -Midi_tempo::Midi_tempo (Audio_tempo* a) +Midi_dynamic::Midi_dynamic (Audio_dynamic *a) { - audio_l_ = a; + audio_ = a; } -String -Midi_tempo::str () const +string +Midi_dynamic::to_string () const { - int useconds_per_4_i = 60 * (int)1e6 / audio_l_->per_minute_4_i_; - String str = "ff5103"; - str += String_convert::i2hex_str (useconds_per_4_i, 6, '0'); - return String_convert::hex2bin_str (str); -} + Byte status_byte = (char) (0xB0 + channel_); + string str = ::to_string ((char)status_byte); -Midi_text::Midi_text (Audio_text* a) -{ - audio_l_ = a; + /* + Main volume controller (per channel): + 07 MSB + 27 LSB + */ + static Real const full_scale = 127; + + int volume = (int) (audio_->volume_ * full_scale); + if (volume <= 0) + volume = 1; + if (volume > full_scale) + volume = (int)full_scale; + + str += ::to_string ((char)0x07); + str += ::to_string ((char)volume); + return str; } -#if 0 -Midi_text::Midi_text (Midi_text::Type type, String text_str) - : Audio_text () +Midi_piano_pedal::Midi_piano_pedal (Audio_piano_pedal *a) { - text_str_ = text_str; - type_ = type; + audio_ = a; } -#endif -String -Midi_text::str () const +string +Midi_piano_pedal::to_string () const { - String str = "ff" + String_convert::i2hex_str (audio_l_->type_, 2, '0'); - str = String_convert::hex2bin_str (str); - str += i2varint_str (audio_l_->text_str_.length_i ()); - str += audio_l_->text_str_; + Byte status_byte = (char) (0xB0 + channel_); + string str = ::to_string ((char)status_byte); + + if (audio_->type_string_ == "Sostenuto") + str += ::to_string ((char)0x42); + else if (audio_->type_string_ == "Sustain") + str += ::to_string ((char)0x40); + else if (audio_->type_string_ == "UnaCorda") + str += ::to_string ((char)0x43); + + int pedal = ((1 - audio_->dir_) / 2) * 0x7f; + str += ::to_string ((char)pedal); return str; } -Midi_track::Midi_track () - : Midi_chunk () +Midi_tempo::Midi_tempo (Audio_tempo *a) { - // 4D 54 72 6B MTrk - // 00 00 00 3B chunk length (59) - // 00 FF 58 04 04 02 18 08 time signature - // 00 FF 51 03 07 A1 20 tempo - -// FF 59 02 sf mi Key Signature -// sf = -7: 7 flats -// sf = -1: 1 flat -// sf = 0: key of C -// sf = 1: 1 sharp -// sf = 7: 7 sharps -// mi = 0: major key -// mi = 1: minor key - - number_i_ = 0; - - char const* data_ch_C = "" - // "00" "ff58" "0404" "0218" "08" - // "00" "ff51" "0307" "a120" - // why a key at all, in midi? - // key: C - // "00" "ff59" "02" "00" "00" - // key: F (scsii-menuetto) - // "00" "ff59" "02" "ff" "00" - ; - - String data_str; - // only for format 0 (currently using format 1)? - data_str += String_convert::hex2bin_str (data_ch_C); - - char const* footer_ch_C = "00" "ff2f" "00"; - String footer_str = String_convert::hex2bin_str (footer_ch_C); - - set ("MTrk", data_str, footer_str); + audio_ = a; } -void -Midi_track::add (Moment delta_time_mom, Midi_item* midi_p) +string +Midi_tempo::to_string () const { - assert (delta_time_mom >= Moment (0)); + int useconds_per_4 = 60 * (int)1e6 / audio_->per_minute_4_; + string str = "ff5103"; + str += String_convert::int2hex (useconds_per_4, 6, '0'); + return String_convert::hex2bin (str); +} - Midi_event * e = new Midi_event (delta_time_mom, midi_p); - event_p_list_.append (new Killing_cons (e, 0)); +Midi_text::Midi_text (Audio_text *a) +{ + audio_ = a; } -String -Midi_track::data_str () const +string +Midi_text::to_string () const { - String str = Midi_chunk::data_str (); - if (flower_dstream && !flower_dstream->silent_b ("Midistrings")) - str += "\n"; - for (Cons *i=event_p_list_.head_; i; i = i->next_) - { - str += i->car_->str (); - if (flower_dstream && !flower_dstream->silent_b ("Midistrings")) - str += "\n"; - } + string str = "ff" + String_convert::int2hex (audio_->type_, 2, '0'); + str = String_convert::hex2bin (str); + str += int2midi_varint_string (audio_->text_string_.length ()); + str += audio_->text_string_; return str; } + +char const * +Midi_item::name () const +{ + return this->class_name (); +}