X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;ds=sidebyside;f=lily%2Fmidi-item.cc;h=7afd3d69e2450be871c17da9a43787abd0fa7825;hb=f5e5c04d731e93b1d8d4cf7e7697f71f6e7c2bdf;hp=2dd86eddc1493891e6bd1b69badc7cd8faa6180e;hpb=3a46c107cba4b3d2dba74e21f9046cc399c8baf1;p=lilypond.git diff --git a/lily/midi-item.cc b/lily/midi-item.cc index 2dd86eddc1..7afd3d69e2 100644 --- a/lily/midi-item.cc +++ b/lily/midi-item.cc @@ -3,38 +3,45 @@ source file of the GNU LilyPond music typesetter - (c) 1997--1998 Jan Nieuwenhuizen + (c) 1997--2000 Jan Nieuwenhuizen */ #include "proto.hh" -#include "plist.hh" -#include "pcursor.hh" #include "debug.hh" #include "misc.hh" #include "string.hh" #include "string-convert.hh" -#include "command-request.hh" -#include "musical-request.hh" #include "midi-item.hh" #include "midi-stream.hh" #include "audio-item.hh" - - - - - - - - - - - - - - -Midi_chunk::Midi_chunk () - : Midi_item (0) -{ +#include "duration.hh" + +#include "killing-cons.tcc" + +Midi_item* +Midi_item::midi_p (Audio_item* 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)) + return new Midi_note (i); + 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)) + 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 + assert (0); + + // isn't C++ grand? + return 0; } void @@ -56,12 +63,7 @@ Midi_chunk::str () const { String str = header_str_; String dat = data_str (); -#if 1 String length_str = String_convert::i2hex_str (dat.length_i () -#else - // huh, huh?? - String length_str = String_convert::i2hex_str (data_str_.length_i () -#endif + footer_str_.length_i (), 8, '0'); length_str = String_convert::hex2bin_str (length_str); str += length_str; @@ -71,7 +73,6 @@ Midi_chunk::str () const } Midi_duration::Midi_duration (Real seconds_f) - : Midi_item (0) { seconds_f_ = seconds_f; } @@ -82,31 +83,25 @@ Midi_duration::str () const return String (""; } -Midi_event::Midi_event (Moment delta_mom, Midi_item* mitem_p) +Midi_event::Midi_event (Moment delta_mom, Midi_item* midi_p) { delta_mom_ = delta_mom; - mitem_p_ = mitem_p; -} - -Midi_event::~Midi_event () -{ -// uhuh -// delete mitem_p_; + midi_p_ = midi_p; } String Midi_event::str () const { - int delta_i = delta_mom_ * Moment (Duration::division_1_i_s); + int delta_i = delta_mom_ * Moment (384 * 4); // ugh. + String delta_str = Midi_item::i2varint_str (delta_i); - String mitem_str = mitem_p_->str (); - assert (mitem_str.length_i ()); - return delta_str + mitem_str; + 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) - : Midi_chunk () { String str; @@ -122,13 +117,17 @@ Midi_header::Midi_header (int format_i, int tracks_i, int clocks_per_4_i) set ("MThd", str, ""); } -char const* const instrument_name_sz_a_[ ] = { +/* 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", + /* (1-8 piano) */ + /* 1 */ "acoustic grand", /* 2 */ "bright acoustic", /* 3 */ "electric grand", /* 4 */ "honky-tonk", @@ -289,40 +288,43 @@ char const* const instrument_name_sz_a_[ ] = { 0 }; -Midi_instrument::Midi_instrument (int channel_i, String instrument_str) - : Midi_item (0) -{ - instrument_str_ = instrument_str; - instrument_str_.to_lower (); - channel_i_ = channel_i; -} - -Midi_item::~Midi_item () +Midi_instrument::Midi_instrument (Audio_instrument* a) { + audio_l_ = a; + audio_l_->str_.to_lower (); } String Midi_instrument::str () const { Byte program_byte = 0; - for (int i = 0; instrument_name_sz_a_[i]; i++) - if (instrument_str_ == String (instrument_name_sz_a_[ i ])) + 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; - break; + 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 (Audio_item* audio_item_l) +Midi_item::Midi_item () { - audio_item_l_ = audio_item_l; channel_i_ = 0; } +Midi_item::~Midi_item () +{ +} + String Midi_item::i2varint_str (int i) { @@ -346,17 +348,16 @@ Midi_item::i2varint_str (int i) return str; } -Midi_key::Midi_key (Audio_item* audio_item_l) - : Midi_item (audio_item_l) +Midi_key::Midi_key (Audio_key*a) { + audio_l_ = a; } String Midi_key::str () const { - Key_change_req* k = dynamic_cast (audio_item_l_->req_l_); - int sharps_i = k->sharps_i (); - int flats_i = k->flats_i (); + 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) @@ -369,23 +370,21 @@ Midi_key::str () const String str = "ff5902"; str += String_convert::i2hex_str (accidentals_i, 2, '0'); - int minor_i = k->minor_b (); - str += String_convert::i2hex_str (minor_i, 2, '0'); + str += String_convert::i2hex_str ((int)audio_l_->key_.minor_b (), 2, '0'); return String_convert::hex2bin_str (str); } -Midi_time_signature::Midi_time_signature (Audio_item* audio_item_l) - : Midi_item (audio_item_l) +Midi_time_signature::Midi_time_signature (Audio_time_signature* a) { + audio_l_ = a; clocks_per_1_i_ = 18; } String Midi_time_signature::str () const { - Time_signature_change_req* m = dynamic_cast (audio_item_l_->req_l_); - int num_i = m->beats_i_; - int den_i = m->one_beat_i_; + 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'); @@ -395,30 +394,30 @@ Midi_time_signature::str () const return String_convert::hex2bin_str (str); } -Midi_note::Midi_note (Audio_item* audio_item_l) - : Midi_item (audio_item_l) +Midi_note::Midi_note (Audio_note* a) { + audio_l_ = a; dynamic_byte_ = 0x7f; - assert (dynamic_cast (audio_item_l)); } Moment Midi_note::length_mom () const { - Moment m = dynamic_cast (audio_item_l_->req_l_)->length_mom (); + Moment m = audio_l_->length_mom_; +#if 0 if (m < Moment (1, 1000)) { warning (_ ("silly duration")); m = 1; } +#endif return m; } int Midi_note::pitch_i () const { - int p = dynamic_cast (audio_item_l_->req_l_)->pitch_.semitone_pitch () - + ((Audio_note*)audio_item_l_)->transposing_i_; + int p = audio_l_->pitch_.semitone_pitch () + audio_l_->transposing_i_; if (p == INT_MAX) { warning (_ ("silly pitch")); @@ -435,25 +434,21 @@ Midi_note::str () const String str = to_str ((char)status_byte); str += to_str ((char) (pitch_i () + c0_pitch_i_c_)); - // poor man's staff dynamics: - str += to_str ((char) (dynamic_byte_ - 0x10 * channel_i_)); - + str += to_str ((char)dynamic_byte_); return str; } -Midi_note_off::Midi_note_off (Midi_note* midi_note_l) - : Midi_item (midi_note_l->audio_item_l_) +Midi_note_off::Midi_note_off (Midi_note* n) + : Midi_note (n->audio_l_) { - // 0x64 is supposed to be neutral, but let's try - aftertouch_byte_ = 0x64; - channel_i_ = midi_note_l->channel_i_; -} + on_l_ = n; + channel_i_ = n->channel_i_; + + // 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; -int -Midi_note_off::pitch_i () const -{ - return dynamic_cast (audio_item_l_->req_l_)->pitch_.semitone_pitch () - + ((Audio_note*)audio_item_l_)->transposing_i_; } String @@ -467,48 +462,93 @@ Midi_note_off::str () const return str; } -Midi_tempo::Midi_tempo (Audio_item* audio_item_l) - : Midi_item (audio_item_l) +Midi_dynamic::Midi_dynamic (Audio_dynamic* a) { - per_minute_4_i_ = ( (Audio_tempo*)audio_item_l_)->per_minute_4_i_; + audio_l_ = a; } -Midi_tempo::Midi_tempo (int per_minute_4_i) - : Midi_item (0) +String +Midi_dynamic::str () const { - per_minute_4_i_ = per_minute_4_i; + Byte status_byte = (char) (0xB0 + channel_i_); + String str = to_str ((char)status_byte); + + /* + Main volume controller (per channel): + 07 MSB + 27 LSB + */ + static Real const full_scale = 127; + + int volume = (int)(audio_l_->volume_*full_scale); + if (volume <= 0) + volume = 1; + if (volume > full_scale) + volume = (int)full_scale; + + str += to_str ((char)0x07); + str += to_str ((char)volume); + return str; +} + +Midi_piano_pedal::Midi_piano_pedal (Audio_piano_pedal* a) +{ + audio_l_ = a; +} + +String +Midi_piano_pedal::str () const +{ + Byte status_byte = (char) (0xB0 + channel_i_); + String str = to_str ((char)status_byte); + + if (audio_l_->type_str_ == "Sostenuto") + str += to_str ((char)0x42); + else if (audio_l_->type_str_ == "Sustain") + str += to_str ((char)0x40); + else if (audio_l_->type_str_ == "UnaChorda") + str += to_str ((char)0x43); + + int pedal = ((1 - audio_l_->dir_) / 2 ) * 0x7f; + str += to_str ((char)pedal); + return str; +} + +Midi_tempo::Midi_tempo (Audio_tempo* a) +{ + audio_l_ = a; } String Midi_tempo::str () const { - int useconds_per_4_i = 60 * (int)1e6 / per_minute_4_i_; + 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); } -Midi_text::Midi_text (Audio_item* audio_item_l) - : Midi_item (audio_item_l) +Midi_text::Midi_text (Audio_text* a) { - text_str_ = ( (Audio_text*)audio_item_l_)->text_str_; - type_ = (Type) ( (Audio_text*)audio_item_l_)->type_; + audio_l_ = a; } +#if 0 Midi_text::Midi_text (Midi_text::Type type, String text_str) - : Midi_item (0) + : Audio_text () { text_str_ = text_str; type_ = type; } +#endif String Midi_text::str () const { - String str = "ff" + String_convert::i2hex_str (type_, 2, '0'); + String str = "ff" + String_convert::i2hex_str (audio_l_->type_, 2, '0'); str = String_convert::hex2bin_str (str); - str += i2varint_str (text_str_.length_i ()); - str += text_str_; + str += i2varint_str (audio_l_->text_str_.length_i ()); + str += audio_l_->text_str_; return str; } @@ -552,28 +592,25 @@ Midi_track::Midi_track () } void -Midi_track::add (Moment delta_time_mom, Midi_item* mitem_p) +Midi_track::add (Moment delta_time_mom, Midi_item* midi_p) { assert (delta_time_mom >= Moment (0)); - event_p_list_.bottom ().add (new Midi_event (delta_time_mom, mitem_p)); + Midi_event * e = new Midi_event (delta_time_mom, midi_p); + event_p_list_.append (new Killing_cons (e, 0)); } String Midi_track::data_str () const { String str = Midi_chunk::data_str (); - if (check_debug && !monitor->silent_b ("Midistrings")) + if (flower_dstream && !flower_dstream->silent_b ("Midistrings")) str += "\n"; - for (PCursor i (event_p_list_); i.ok (); i++) + for (Cons *i=event_p_list_.head_; i; i = i->next_) { - str += i->str (); - if (check_debug && !monitor->silent_b ("Midistrings")) + str += i->car_->str (); + if (flower_dstream && !flower_dstream->silent_b ("Midistrings")) str += "\n"; } return str; } - -Midi_track::~Midi_track () -{ -}