#include <config.h>
#include <time.h>
#include <unistd.h>
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Classes | |
struct | note_t |
the note structure describing a single note. More... | |
Defines | |
#define | PITCH_PAUSE 97 |
specify a pause (rest) | |
#define | PITCH_MAX 98 |
maximum pitch value | |
#define | PITCH_END 255 |
mark the end of a list of note_t entries | |
#define | DSOUND_BEEP 0 |
system sounds | |
#define | DSOUND_SYS_MAX 1 |
max system sound | |
#define | DSOUND_DEFAULT_16th_ms 200 |
default duration of 1/16th note in ms | |
#define | DSOUND_DEFAULT_internote_ms 15 |
default duration internote spacing in ms | |
Functions | |
void | dsound_play (const note_t *notes) |
play a sequence of notes | |
void | dsound_system (unsigned nr) |
play a system sound | |
unsigned | dsound_set_duration (unsigned duration) |
set duration of a 16th note in ms; return the previous duration. | |
void | dsound_set_internote (unsigned duration) |
set duration of inter-note spacing (subtracted from note duration) | |
int | dsound_playing (void) |
returns nonzero value if a sound is playing | |
wakeup_t | dsound_finished (wakeup_t data) |
sound finished event wakeup function | |
void | dsound_stop (void) |
stop playing sound | |
Variables | |
unsigned | dsound_16th_ms |
length of 1/16 note in ms | |
unsigned | dsound_internote_ms |
length of internote spacing in ms | |
volatile note_t * | dsound_next_note |
pointer to current note | |
volatile time_t | dsound_next_time |
when to play next note | |
const note_t * | dsound_system_sounds [] |
system sound data |
Definition in file dsound.h.
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system sounds
Definition at line 197 of file dsound.h. Referenced by Sound::beep(). |
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default duration of 1/16th note in ms
Definition at line 204 of file dsound.h. Referenced by show_on(). |
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default duration internote spacing in ms
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max system sound
Definition at line 200 of file dsound.h. Referenced by dsound_system(). |
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Eighth note in terms of sixteenths.
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Half note in terms of sixteenths.
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Note Pitch Value.
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Note Pitch Value.
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Note Pitch Value.
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mark the end of a list of note_t entries
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Note Pitch Value.
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Note Pitch Value.
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Note Pitch Value.
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Note Pitch Value.
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Note Pitch Value.
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maximum pitch value
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specify a pause (rest)
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Quater note in terms of sixteenths.
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Whole note in terms of sixteenths.
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sound finished event wakeup function
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play a sequence of notes
Definition at line 234 of file dsound.h. References dsound_next_note, and dsound_next_time. Referenced by dsound_system(), and Sound::play(). |
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returns nonzero value if a sound is playing
Definition at line 260 of file dsound.h. References dsound_next_note. Referenced by Sound::playing(). |
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set duration of a 16th note in ms; return the previous duration.
Definition at line 246 of file dsound.h. References dsound_16th_ms. Referenced by Sound::duration(), and show_on(). |
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set duration of inter-note spacing (subtracted from note duration) set to 0 for perfect legato. Definition at line 255 of file dsound.h. References dsound_internote_ms. Referenced by Sound::internote(). |
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stop playing sound
Referenced by Sound::stop(). |
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play a system sound
Definition at line 240 of file dsound.h. References dsound_play(), DSOUND_SYS_MAX, and dsound_system_sounds. Referenced by Sound::beep(). |
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length of 1/16 note in ms
Definition at line 217 of file dsound.h. Referenced by dsound_set_duration(). |
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length of internote spacing in ms
Definition at line 218 of file dsound.h. Referenced by dsound_set_internote(). |
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pointer to current note
Definition at line 219 of file dsound.h. Referenced by dsound_play(), and dsound_playing(). |
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when to play next note
Definition at line 220 of file dsound.h. Referenced by dsound_play(). |
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system sound data
Definition at line 222 of file dsound.h. Referenced by dsound_system(). |
brickOS is released under the
Mozilla Public License.
Original code copyright 1998-2002 by the authors. |