X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fperformance.cc;h=1e360054ade3afce50a92e8f7af65584ff666bfd;hb=9e205dd2ae57dce8b8e3a42f86b945517374265a;hp=257e9016475e60b209fc60725b53f54aac25d339;hpb=7aabfb20c46e0a1de41698ddc6859ccd3a6dea85;p=lilypond.git diff --git a/lily/performance.cc b/lily/performance.cc index 257e901647..1e360054ad 100644 --- a/lily/performance.cc +++ b/lily/performance.cc @@ -1,175 +1,127 @@ /* - performance.cc -- implement Performance + This file is part of LilyPond, the GNU music typesetter. - source file of the GNU LilyPond music typesetter + Copyright (C) 1997--2010 Jan Nieuwenhuizen - (c) 1997--2003 Jan Nieuwenhuizen + LilyPond is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + LilyPond is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with LilyPond. If not, see . */ -#include -#include "warn.hh" -#include "string.hh" -#include "string-convert.hh" -#include "main.hh" -#include "midi-def.hh" -#include "midi-item.hh" -#include "midi-stream.hh" +#include "performance.hh" + +#include +using namespace std; + #include "audio-column.hh" -#include "audio-item.hh" #include "audio-staff.hh" -#include "performance.hh" -#include "score.hh" -#include "input-file-results.hh" -#include "file-path.hh" +#include "file-name.hh" +#include "international.hh" #include "lily-version.hh" - -#include "killing-cons.tcc" +#include "main.hh" +#include "midi-chunk.hh" +#include "midi-stream.hh" +#include "score.hh" +#include "string-convert.hh" +#include "warn.hh" Performance::Performance () { - midi_ =0; - audio_elem_p_list_ = 0; + midi_ = 0; } - Performance::~Performance () { - delete audio_elem_p_list_; + junk_pointers (audio_elements_); } void -Performance::output (Midi_stream& midi_stream) +Performance::output (Midi_stream &midi_stream) const { - int tracks_i = audio_staffs_.size () + 1; + int tracks_ = audio_staffs_.size (); - // ugh - int clocks_per_4_i = 384; - - midi_stream << Midi_header (1, tracks_i, clocks_per_4_i); - output_header_track (midi_stream); - progress_indication ("\n"); - progress_indication (_ ("Track ... ")); + midi_stream.write (Midi_header (1, tracks_, 384)); + if (be_verbose_global) + progress_indication (_ ("Track...") + " "); + int channel = 0; - for (int i =0; i < audio_staffs_.size (); i++) + for (vsize i = 0; i < audio_staffs_.size (); i++) { Audio_staff *s = audio_staffs_[i]; - if (verbose_global_b) - progress_indication ("[" + to_string (i)) ; + if (be_verbose_global) + progress_indication ("[" + to_string (i)); + + int midi_channel = s->channel_; + + if (midi_channel < 0) + { + midi_channel = channel; + channel ++; + /* + MIDI players tend to ignore instrument settings on + channel 10, the percussion channel. + */ + if (channel % 16 == 9) + channel ++; + } /* - MIDI players tend to ignore instrument settings on - channel 10, the percussion channel by default. - */ - if (channel == 9) - channel++; - if (s->channel_ < 0) - s->channel_ = channel; - s->output (midi_stream, channel++); - if (verbose_global_b) + Huh? Why does each staff also have a separate channel? We + should map channels to voices, not staves. --hwn. + */ + if (midi_channel > 15) + { + warning (_ ("MIDI channel wrapped around")); + warning (_ ("remapping modulo 16")); + + midi_channel = midi_channel % 16; + } + + s->output (midi_stream, midi_channel); + if (be_verbose_global) progress_indication ("]"); } } - - -void -Performance::output_header_track (Midi_stream& midi_stream) -{ - Midi_track midi_track; - - midi_track.channel_ = 9; - - // perhaps multiple text events? - String id_string; - String str = String (_ ("Creator: ")); - id_string = String_convert::pad_to (gnu_lilypond_version_string (), 30); - str += id_string; - - /* - This seems silly, but in fact the audio elements should - be generated elsewhere: not midi-specific. - */ - Audio_text creator_a (Audio_text::TEXT, str); - Midi_text creator (&creator_a); - midi_track.add (Moment (0), &creator); - - /* Better not translate this */ - str = "Generated automatically by: "; - str += id_string; - - Audio_text generate_a (Audio_text::TEXT, str); - Midi_text generate (&generate_a); - midi_track.add (Moment (0), &generate); - - str = _ ("at "); - time_t t (time (0)); - str += ctime (&t); - str = str.left_string (str.length () - 1); - str = String_convert::pad_to (str, 60); - - Audio_text at_a (Audio_text::TEXT, str); - Midi_text at (&at_a); - midi_track.add (Moment (0), &at); - - - str = _f ("from musical definition: %s", origin_string_); - - Audio_text from_a (Audio_text::TEXT, str); - Midi_text from (&from_a); - midi_track.add (Moment (0), &from); - - Audio_text track_name_a (Audio_text::TRACK_NAME, "Track " - + String_convert::int2dec (0, 0, '0')); - Midi_text track_name (&track_name_a); - - midi_track.add (Moment (0), &track_name); - - // Some sequencers read track 0 last. - // Audio_tempo tempo_a (midi_->get_tempo (Moment (Rational (1, 4)))); - // Midi_tempo tempo (&tempo_a); - // midi_track.add (Moment (0), &tempo); - - midi_stream << midi_track; -} - void Performance::add_element (Audio_element *p) { - if (Audio_staff*s=dynamic_cast (p)) - { - audio_staffs_.push (s); - } - else if (Audio_column *c = dynamic_cast (p)) - { - c->performance_ = this; - } - audio_elem_p_list_ = new Killing_cons (p, audio_elem_p_list_); + audio_elements_.push_back (p); } - void -Performance::process () +Performance::write_output (string out) const { - String out = output_name_global; if (out == "-") out = "lelie.midi"; - int def = midi_->get_next_score_count (); - if (def) - { - Path p = split_path (out); - p.base += "-" + to_string (def); - out = p.string (); - } /* Maybe a bit crude, but we had this before */ - Path p = split_path (out); - p.ext = "midi"; - out = p.string (); - - Midi_stream midi_stream (out); - progress_indication (_f ("MIDI output to `%s'...", out)); + File_name file_name (out); + out = file_name.to_string (); - global_input_file->target_strings_.push (out); + Midi_stream midi_stream (out); + message (_f ("MIDI output to `%s'...", out)); output (midi_stream); progress_indication ("\n"); } + + +void +Performance::process () +{ +} + +Performance * +unsmob_performance (SCM x) +{ + return dynamic_cast (unsmob_music_output (x)); +}