source file of the GNU LilyPond music typesetter
- (c) 1997--2000 Jan Nieuwenhuizen <janneke@gnu.org>
+ (c) 1997--2008 Jan Nieuwenhuizen <janneke@gnu.org>
*/
-#include <time.h>
-#include "debug.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 <ctime>
+using namespace std;
+
#include "audio-column.hh"
-#include "audio-item.hh"
#include "audio-staff.hh"
-#include "performance.hh"
-#include "score.hh"
-#include "file-results.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_l_ =0;
- audio_elem_p_list_ = 0;
+ midi_ = 0;
}
-
-Performance::~Performance()
+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_staff_l_arr_.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 ... "));
- int channel = 1;
- for (int i =0; i < audio_staff_l_arr_.size (); i++)
+ midi_stream.write (Midi_header (1, tracks_, 384));
+ if (be_verbose_global)
+ progress_indication (_ ("Track...") + " ");
+
+ int channel = 0;
+ for (vsize i = 0; i < audio_staffs_.size (); i++)
{
- Audio_staff *s = audio_staff_l_arr_[i];
- if(verbose_global_b)
- progress_indication ("[" + to_str (i)) ;
+ Audio_staff *s = audio_staffs_[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 ++;
+ }
/*
- Aargh, let's hear it for the MIDI standard.
- MIDI players tend to ignore instrument settings on
- channel 10, the percussion channel by default.
- */
- if (channel == 9)
- 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)
+Performance::add_element (Audio_element *p)
{
- Midi_track midi_track;
-
- // perhaps multiple text events?
- String str = String (_("Creator: "));
- if (no_timestamps_global_b)
- str += gnu_lilypond_str ();
- else
- str += gnu_lilypond_version_str();
- str += "\n";
-
- /*
- 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);
-
- str = _("Automatically generated");
- if (no_timestamps_global_b)
- str += ".\n";
- else
- {
- str += _(", at ");
- time_t t (time (0));
- str += ctime (&t);
- str = str.left_str (str.length_i() - 1);
- }
- Audio_text generate_a (Audio_text::TEXT, str);
- Midi_text generate (&generate_a);
- midi_track.add (Moment (0), &generate);
-
- str = _f ("from musical definition: %s", origin_str_);
+ audio_elements_.push_back (p);
+}
- Audio_text from_a (Audio_text::TEXT, str);
- Midi_text from (&from_a);
- midi_track.add (Moment (0), &from);
+void
+Performance::write_output (string out) const
+{
+ if (out == "-")
+ out = "lelie.midi";
- Audio_text track_name_a (Audio_text::TRACK_NAME, "Track "
- + String_convert::i2dec_str (0, 0, '0'));
- Midi_text track_name (&track_name_a);
-
- midi_track.add (Moment (0), &track_name);
+ /* Maybe a bit crude, but we had this before */
+ File_name file_name (out);
+ out = file_name.to_string ();
- // Some sequencers read track 0 last.
- // Audio_tempo tempo_a (midi_l_->get_tempo_i (Moment (1, 4)));
- // Midi_tempo tempo (&tempo_a);
- // midi_track.add (Moment (0), &tempo);
+ Midi_stream midi_stream (out);
+ message (_f ("MIDI output to `%s'...", out));
- midi_stream << midi_track;
+ output (midi_stream);
+ progress_indication ("\n");
}
+
void
-Performance::add_element (Audio_element *p)
+Performance::process ()
{
- if (Audio_staff*s=dynamic_cast<Audio_staff *> (p))
- {
- audio_staff_l_arr_.push (s);
- }
- else if (Audio_column *c = dynamic_cast<Audio_column*>(p))
- {
- c->performance_l_ = this;
- }
- audio_elem_p_list_ = new Killing_cons<Audio_element> (p, audio_elem_p_list_);
}
-
-void
-Performance::process()
+Performance *
+unsmob_performance (SCM x)
{
- String out = midi_l_->get_default_output ();
- if (out.empty_b ())
- {
-
- out = default_outname_base_global;
- if (out == "-")
- out = "lelie";
- int def = midi_l_->get_next_default_count ();
- if (def)
- {
- out += "-" + to_str (def);
- }
-
- out += ".midi";
- }
-
- Midi_stream midi_stream (out);
- progress_indication ( _f ("MIDI output to %s...", out));
- target_str_global_array.push (out);
-
- output (midi_stream);
- progress_indication("\n");
+ return dynamic_cast<Performance*> (unsmob_music_output (x));
}
projects / lilypond.git / blobdiff