X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fmidi-item.cc;h=5b7af3c5a2a8098d142bb59ff15c14fab346e0c9;hb=b3916dc1307dbaad8e50a97aadff8181000344ae;hp=ab66dc789328f89542cbc3ce470a802a8438f653;hpb=94a1966c72301b8bd1d8bb3b8628c3f089d007cf;p=lilypond.git diff --git a/lily/midi-item.cc b/lily/midi-item.cc index ab66dc7893..5b7af3c5a2 100644 --- a/lily/midi-item.cc +++ b/lily/midi-item.cc @@ -3,45 +3,44 @@ source file of the GNU LilyPond music typesetter - (c) 1997--2004 Jan Nieuwenhuizen - */ + (c) 1997--2005 Jan Nieuwenhuizen +*/ + +#include "midi-item.hh" #include "warn.hh" #include "main.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 "scm-option.hh" +#include "program-option.hh" #include "killing-cons.tcc" -#define PITCH_WHEEL_TOP 0x3FFF +#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) +#define PITCH_WHEEL_RANGE (PITCH_WHEEL_TOP - PITCH_WHEEL_BOTTOM) -Midi_item* -Midi_item::get_midi (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)) + 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)) + else if (Audio_note *i = dynamic_cast (a)) return new Midi_note (i); - else if (Audio_dynamic* 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)) + else if (Audio_piano_pedal *i = dynamic_cast (a)) return new Midi_piano_pedal (i); - else if (Audio_tempo* i = dynamic_cast (a)) + 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)) + else if (Audio_text *i = dynamic_cast (a)) //return i->text_string_.length () ? new Midi_text (i) : 0; return new Midi_text (i); else @@ -58,7 +57,7 @@ Midi_chunk::set (String header_string, String data_string, String footer_string) footer_string_ = footer_string; header_string_ = header_string; } - + String Midi_chunk::data_string () const { @@ -70,12 +69,14 @@ Midi_chunk::to_string () const { String str = header_string_; String dat = data_string (); - String length_string = String_convert::int2hex (dat.length () - + footer_string_.length (), 8, '0'); + String length_string = String_convert::int2hex (dat.length () + + footer_string_.length (), 8, '0'); length_string = String_convert::hex2bin (length_string); + str += length_string; str += dat; str += footer_string_; + return str; } @@ -90,7 +91,7 @@ Midi_duration::to_string () const return String (""; } -Midi_event::Midi_event (Moment delta_mom, Midi_item* midi) +Midi_event::Midi_event (Moment delta_mom, Midi_item *midi) { delta_mom_ = delta_mom; midi_ = midi; @@ -98,13 +99,13 @@ Midi_event::Midi_event (Moment delta_mom, Midi_item* midi) /* ugh. midi output badly broken since grace note hackage. - */ +*/ String Midi_event::to_string () const { - Rational rat_dt = (delta_mom_.main_part_ * Rational (384) + - delta_mom_.grace_part_ * Rational (100))*Rational (4); - int delta_i = int (rat_dt); + Rational rat_dt = (delta_mom_.main_part_ * Rational (384) + + delta_mom_.grace_part_ * Rational (100)) * Rational (4); + int delta_i = rat_dt.to_int (); String delta_string = Midi_item::i2varint_string (delta_i); String midi_string = midi_->to_string (); @@ -112,14 +113,13 @@ Midi_event::to_string () const return delta_string + midi_string; } - Midi_header::Midi_header (int format_i, int tracks_i, int clocks_per_4_i) { String str; - + String format_string = String_convert::int2hex (format_i, 4, '0'); str += String_convert::hex2bin (format_string); - + String tracks_string = String_convert::int2hex (tracks_i, 4, '0'); str += String_convert::hex2bin (tracks_string); @@ -129,7 +129,7 @@ Midi_header::Midi_header (int format_i, int tracks_i, int clocks_per_4_i) set ("MThd", str, ""); } -Midi_instrument::Midi_instrument (Audio_instrument* a) +Midi_instrument::Midi_instrument (Audio_instrument *a) { audio_ = a; audio_->str_.to_lower (); @@ -143,16 +143,16 @@ Midi_instrument::to_string () const /* UGH. don't use eval. - */ - SCM proc = ly_scheme_function ("midi-program"); + */ + SCM proc = ly_lily_module_constant ("midi-program"); SCM program = scm_call_1 (proc, ly_symbol2scm (audio_->str_.to_str0 ())); found = (program != SCM_BOOL_F); if (found) - program_byte = ly_scm2int (program); + program_byte = scm_to_int (program); else - warning (_f ("no such MIDI instrument: `%s'", audio_->str_.to_str0 ())); + warning (_f ("no such MIDI instrument: `%s'", audio_->str_.to_str0 ())); - String str = ::to_string ((char) (0xc0 + channel_)); //YIKES! FIXME: Should be track. -rz + String str = ::to_string ((char) (0xc0 + channel_)); //YIKES! FIXME : Should be track. -rz str += ::to_string ((char)program_byte); return str; } @@ -170,7 +170,7 @@ String Midi_item::i2varint_string (int i) { int buffer_i = i & 0x7f; - while ((i >>= 7) > 0) + while ((i >>= 7) > 0) { buffer_i <<= 8; buffer_i |= 0x80; @@ -178,7 +178,7 @@ Midi_item::i2varint_string (int i) } String str; - while (1) + while (1) { str += ::to_string ((char)buffer_i); if (buffer_i & 0x80) @@ -189,7 +189,7 @@ Midi_item::i2varint_string (int i) return str; } -Midi_key::Midi_key (Audio_key*a) +Midi_key::Midi_key (Audio_key *a) { audio_ = a; } @@ -206,7 +206,7 @@ Midi_key::to_string () const 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_ = a; clocks_per_1_ = 18; @@ -220,13 +220,13 @@ Midi_time_signature::to_string () const String str = "ff5804"; str += String_convert::int2hex (num, 2, '0'); - str += String_convert::int2hex (intlog2 (den) , 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_ = a; dynamic_byte_ = 0x7f; @@ -256,7 +256,7 @@ Midi_note::get_pitch () const { warning (_ ("silly pitch")); p = 0; - } + } return p; } @@ -270,13 +270,13 @@ Midi_note::to_string () const // print warning if fine tuning was needed, HJJ if (get_fine_tuning () != 0) { - warning (_f ("Experimental: temporarily fine tuning (of %d cents) a channel.", - get_fine_tuning ())); + warning (_f ("experimental: temporarily fine tuning (of %d cents) a channel.", + get_fine_tuning ())); 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); + finetune += (PITCH_WHEEL_RANGE *get_fine_tuning ()) / (4 * 100); str += ::to_string ((char) (0xE0 + channel_)); str += ::to_string ((char) (finetune & 0x7F)); @@ -291,7 +291,7 @@ Midi_note::to_string () const return str; } -Midi_note_off::Midi_note_off (Midi_note* n) +Midi_note_off::Midi_note_off (Midi_note *n) : Midi_note (n->audio_) { on_ = n; @@ -300,7 +300,7 @@ Midi_note_off::Midi_note_off (Midi_note* n) // 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; } @@ -318,14 +318,14 @@ Midi_note_off::to_string () const // 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 &0x7F)); str += ::to_string ((char) (PITCH_WHEEL_CENTER >> 7)); } return str; } -Midi_dynamic::Midi_dynamic (Audio_dynamic* a) +Midi_dynamic::Midi_dynamic (Audio_dynamic *a) { audio_ = a; } @@ -340,10 +340,10 @@ Midi_dynamic::to_string () const Main volume controller (per channel): 07 MSB 27 LSB - */ + */ static Real const full_scale = 127; - - int volume = (int) (audio_->volume_*full_scale); + + int volume = (int) (audio_->volume_ * full_scale); if (volume <= 0) volume = 1; if (volume > full_scale) @@ -354,7 +354,7 @@ Midi_dynamic::to_string () const return str; } -Midi_piano_pedal::Midi_piano_pedal (Audio_piano_pedal* a) +Midi_piano_pedal::Midi_piano_pedal (Audio_piano_pedal *a) { audio_ = a; } @@ -377,7 +377,7 @@ Midi_piano_pedal::to_string () const return str; } -Midi_tempo::Midi_tempo (Audio_tempo* a) +Midi_tempo::Midi_tempo (Audio_tempo *a) { audio_ = a; } @@ -391,7 +391,7 @@ Midi_tempo::to_string () const return String_convert::hex2bin (str); } -Midi_text::Midi_text (Audio_text* a) +Midi_text::Midi_text (Audio_text *a) { audio_ = a; } @@ -413,19 +413,19 @@ Midi_track::Midi_track () // 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 + + // 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_ = 0; - - char const* data_str0 = "" + + char const *data_str0 = "" // "00" "ff58" "0404" "0218" "08" // "00" "ff51" "0307" "a120" // why a key at all, in midi? @@ -433,24 +433,24 @@ Midi_track::Midi_track () // "00" "ff59" "02" "00" "00" // key: F (scsii-menuetto) // "00" "ff59" "02" "ff" "00" - ; + ; String data_string; // only for format 0 (currently using format 1)? data_string += String_convert::hex2bin (data_str0); - char const* footer_str0 = "00" "ff2f" "00"; + char const *footer_str0 = "00" "ff2f" "00"; String footer_string = String_convert::hex2bin (footer_str0); set ("MTrk", data_string, footer_string); } -void -Midi_track::add (Moment delta_time_mom, Midi_item* midi) +void +Midi_track::add (Moment delta_time_mom, Midi_item *midi) { assert (delta_time_mom >= Moment (0)); - Midi_event * e = new Midi_event (delta_time_mom, midi); + Midi_event *e = new Midi_event (delta_time_mom, midi); event_p_list_.append (new Killing_cons (e, 0)); } @@ -458,13 +458,20 @@ String Midi_track::data_string () const { String str = Midi_chunk::data_string (); - if (midi_debug_global_b) + if (do_midi_debugging_global) str += "\n"; - for (Cons *i=event_p_list_.head_; i; i = i->next_) + for (Cons *i = event_p_list_.head_; i; i = i->next_) { str += i->car_->to_string (); - if (midi_debug_global_b) - str += "\n"; + if (do_midi_debugging_global) + str += "\n"; } return str; } + + +char const * +Midi_item::name () const +{ + return this->class_name (); +}