/*
- audio-item.hh -- declare Audio_items
+ This file is part of LilyPond, the GNU music typesetter.
- (c) 1996, 1997 Jan Nieuwenhuizen <jan@digicash.com>
- */
+ Copyright (C) 1996--2015 Jan Nieuwenhuizen <janneke@gnu.org>
+
+ 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 <http://www.gnu.org/licenses/>.
+*/
#ifndef AUDIO_ITEM_HH
#define AUDIO_ITEM_HH
-#include "lily-proto.hh"
-#include "string.hh"
+#include "audio-element.hh"
+#include "moment.hh"
+#include "pitch.hh"
-/**
- Any piece of audio information.
- We need virtual constructors,
- let's try decentralised factory for specific audio implemenations.
- */
-struct Audio_item {
- Audio_item( Request* req_l );
+class Audio_item : public Audio_element
+{
+public:
+ Audio_column *audio_column_;
+ int channel_;
- /// Create a midi-item from myself.
- virtual Midi_item* midi_item_p() = 0;
+ Audio_item ();
+ Audio_column *get_column () const;
-#if 0
- /// Not implemented. Anyone?
- virtual Niff_item* niff_item_p() = 0;
-
- /// Not implemented. Anyone?
- virtual Cscore_item* score_item_p() = 0;
-#endif
-
- Audio_column* audio_column_l_;
- Request* req_l_;
+ virtual void render ();
private:
- Audio_item( Audio_item const& );
- Audio_item& operator=( Audio_item const& );
+ Audio_item (Audio_item const &);
+ Audio_item &operator = (Audio_item const &);
+};
+
+class Audio_dynamic : public Audio_item
+{
+public:
+ Audio_dynamic ();
+
+ Real volume_;
+ bool silent_;
+};
+
+class Audio_span_dynamic : public Audio_element
+{
+public:
+ Direction grow_dir_;
+ vector<Audio_dynamic *> dynamics_;
+ Real min_volume_;
+ Real max_volume_;
+
+ virtual void render ();
+ void add_absolute (Audio_dynamic *);
+ Audio_span_dynamic (Real min_volume, Real max_volume);
+};
+
+class Audio_key : public Audio_item
+{
+public:
+ Audio_key (int acc, bool major);
+
+ int accidentals_;
+ bool major_;
};
-struct Audio_key : public Audio_item {
- Audio_key( Request* req_l );
+class Audio_instrument : public Audio_item
+{
+public:
+ Audio_instrument (string instrument_string);
- virtual Midi_item* midi_item_p();
+ string str_;
};
-#if 0
-struct Audio_instrument : public Audio_item {
- Audio_instrument( Request* req_l );
+class Audio_note : public Audio_item
+{
+public:
+ Audio_note (Pitch p, Moment m, bool tie_event, Pitch transposition, int velocity);
+
+ // with tieWaitForNote, there might be a skip between the tied notes!
+ void tie_to (Audio_note *, Moment skip = 0);
+ Audio_note *tie_head ();
+ virtual string to_string () const;
+
+ Pitch pitch_;
+ Moment length_mom_;
+ Pitch transposing_;
+ Audio_dynamic *dynamic_;
+ int extra_velocity_;
+
+ Audio_note *tied_;
+ bool tie_event_;
};
-#endif
-
-struct Audio_note : public Audio_item {
- Audio_note( Request* req_l, bool on_b );
- virtual Midi_item* midi_item_p();
- bool on_b_;
+
+class Audio_piano_pedal : public Audio_item
+{
+public:
+ string type_string_;
+ Direction dir_;
};
-struct Audio_text : Audio_item {
- enum Type {
- TEXT = 1, COPYRIGHT, TRACK_NAME, INSTRUMENT_NAME, LYRIC,
- MARKER, CUE_POINT
- };
+class Audio_text : public Audio_item
+{
+public:
+ enum Type
+ {
+ TEXT = 1, COPYRIGHT, TRACK_NAME, INSTRUMENT_NAME, LYRIC,
+ MARKER, CUE_POINT
+ };
- Audio_text( Audio_text::Type type, String text_str );
- virtual Midi_item* midi_item_p();
+ Audio_text (Audio_text::Type type, const string &text_string);
- Type type_;
- String text_str_;
+ Type type_;
+ string text_string_;
};
-struct Audio_tempo : Audio_item {
- Audio_tempo( int per_minute_4_i );
- virtual Midi_item* midi_item_p();
+class Audio_tempo : public Audio_item
+{
+public:
+ Audio_tempo (int per_minute_4);
- int per_minute_4_i_;
+ int per_minute_4_;
};
-struct Audio_meter : Audio_item {
- Audio_meter( Request* req_l );
- virtual Midi_item* midi_item_p();
+class Audio_time_signature : public Audio_item
+{
+public:
+ Audio_time_signature (int beats, int one_beat);
+
+ int beats_;
+ int one_beat_;
};
+class Audio_control_function_value_change : public Audio_item
+{
+public:
+ // Supported control functions.
+ enum Control
+ {
+ BALANCE = 0, PAN_POSITION, EXPRESSION, REVERB_LEVEL, CHORUS_LEVEL,
+ // pseudo value for representing the size of the enum; must be kept last
+ NUM_CONTROLS
+ };
+
+ Audio_control_function_value_change (Control control, Real value);
+
+ // Information about a context property corresponding to a control function
+ // (name, the corresponding enumeration value, and the allowed range for the
+ // value of the context property).
+ struct Context_property
+ {
+ const char *name_;
+ Control control_;
+ Real range_min_;
+ Real range_max_;
+ };
+
+ // Mapping from supported control functions to the corresponding context
+ // properties.
+ static const Context_property context_properties_[];
+
+ Control control_;
+ Real value_;
+};
+
+int moment_to_ticks (Moment);
+Real moment_to_real (Moment);
+Moment remap_grace_duration (Moment);
+
#endif // AUDIO_ITEM_HH