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time: consolidate the different sleep functions into time.wait(Duration) (#8853)

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This commit is contained in:
zakuro
2021-02-22 00:05:03 +09:00
committed by GitHub
parent b1209aac1b
commit ac4791045f
49 changed files with 156 additions and 179 deletions
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21
examples/sokol/sounds/melody.v
View File

@@ -2,11 +2,13 @@ import gg
import gx
import sokol.audio
const credits = 'Based on the ByteBeat formula from: https://www.youtube.com/watch?v=V4GfkFbDojc \n "Techno" by Gabriel Miceli'
struct AppState {
mut:
gframe int // the current graphical frame
frame_0 int // offset of the current audio frames, relative to the start of the music
frames [2048]f32 // a copy of the last rendered audio frames
gframe int // the current graphical frame
frame_0 int // offset of the current audio frames, relative to the start of the music
frames [2048]f32 // a copy of the last rendered audio frames
gg &gg.Context // used for drawing
}
@@ -14,10 +16,8 @@ fn my_audio_stream_callback(buffer &f32, num_frames int, num_channels int, mut a
mut soundbuffer := buffer
for frame := 0; frame < num_frames; frame++ {
t := int(f32(acontext.frame_0 + frame) * 0.245)
// Credits for the formula below: https://www.youtube.com/watch?v=V4GfkFbDojc
// "Techno" by Gabriel Miceli
y := (t * (((t / 10 | 0) ^ ((t / 10 | 0) -
1280)) % 11) / 2 & 127) +
y := (t * (((t / 10 | 0) ^ ((t / 10 | 0) - 1280)) % 11) / 2 & 127) +
(t * (((t / 640 | 0) ^ ((t / 640 | 0) - 2)) % 13) / 2 & 127)
for ch := 0; ch < num_channels; ch++ {
idx := frame * num_channels + ch
@@ -32,14 +32,15 @@ fn my_audio_stream_callback(buffer &f32, num_frames int, num_channels int, mut a
}
fn main() {
println(credits)
mut state := &AppState{
gg: 0
}
audio.setup({
audio.setup(
stream_userdata_cb: my_audio_stream_callback
user_data: state
})
state.gg = gg.new_context({
)
state.gg = gg.new_context(
bg_color: gx.rgb(50, 50, 50)
width: 1024
height: 400
@@ -48,7 +49,7 @@ fn main() {
window_title: 'ByteBeat Music'
frame_fn: graphics_frame
user_data: state
})
)
state.gg.run()
audio.shutdown()
}

16
examples/sokol/sounds/simple_sin_tones.v
View File

@@ -19,14 +19,14 @@ fn my_audio_stream_callback(buffer &f32, num_frames int, num_channels int) {
for frame := 0; frame < num_frames; frame++ {
for ch := 0; ch < num_channels; ch++ {
idx := frame * num_channels + ch
if ms < 500 {
soundbuffer[idx] = sintone(20, frame, num_frames)
} else if ms < 1000 {
soundbuffer[idx] = sintone(25, frame, num_frames)
if ms < 250 {
soundbuffer[idx] = 0.5 * sintone(20, frame, num_frames)
} else if ms < 300 {
soundbuffer[idx] = 0.5 * sintone(25, frame, num_frames)
} else if ms < 1500 {
soundbuffer[idx] *= sintone(22, frame, num_frames)
} else {
soundbuffer[idx] = sintone(25, frame, num_frames)
soundbuffer[idx] = 0.5 * sintone(25, frame, num_frames)
}
}
}
@@ -34,9 +34,9 @@ fn my_audio_stream_callback(buffer &f32, num_frames int, num_channels int) {
}
fn main() {
audio.setup({
audio.setup(
stream_cb: my_audio_stream_callback
})
time.sleep_ms(2500)
)
time.wait(2000 * time.millisecond)
audio.shutdown()
}

2
examples/sokol/sounds/wav_player.v
View File

@@ -72,7 +72,7 @@ fn (mut p Player) play_wav_file(fpath string) ? {
p.samples << samples
p.finished = false
for !p.finished {
time.sleep_ms(16)
time.wait(16 * time.millisecond)
}
p.free()
}