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examples: change byteptr to &byte in sokol examples and regex (#9606)

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penguindark
2021-04-05 17:17:45 +02:00
committed by GitHub
parent 07b1dc66dd
commit a016ac39c0
7 changed files with 24 additions and 22 deletions
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14
examples/sokol/sounds/wav_player.v
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@ -117,12 +117,13 @@ struct RIFFFormat {
}
fn read_wav_file_samples(fpath string) ?[]f32 {
mut res := []f32{}
// eprintln('> read_wav_file_samples: $fpath -------------------------------------------------')
mut bytes := os.read_bytes(fpath) ?
mut pbytes := byteptr(bytes.data)
mut pbytes := &byte(bytes.data)
mut offset := u32(0)
rh := &RIFFHeader(pbytes)
rh := unsafe{ &RIFFHeader(pbytes) }
// eprintln('rh: $rh')
if rh.riff != [byte(`R`), `I`, `F`, `F`]! {
return error('WAV should start with `RIFF`')
@ -140,7 +141,7 @@ fn read_wav_file_samples(fpath string) ?[]f32 {
break
}
//
ch := &RIFFChunkHeader(unsafe { pbytes + offset })
ch := unsafe{ &RIFFChunkHeader(pbytes + offset) }
offset += 8 + ch.chunk_size
// eprintln('ch: $ch')
// eprintln('p: $pbytes | offset: $offset | bytes.len: $bytes.len')
@ -175,20 +176,20 @@ fn read_wav_file_samples(fpath string) ?[]f32 {
}
// eprintln('`fmt ` chunk: $rf\n`data` chunk: $ch')
mut doffset := 0
mut dp := byteptr(&ch.chunk_data)
mut dp := unsafe{ &byte(&ch.chunk_data) }
for doffset < ch.chunk_size {
for c := 0; c < rf.nchannels; c++ {
mut x := f32(0.0)
mut step := 0
ppos := unsafe { dp + doffset }
if rf.bits_per_sample == 8 {
d8 := byteptr(ppos)
d8 := unsafe{ &byte(ppos) }
x = (f32(*d8) - 128) / 128.0
step = 1
doffset++
}
if rf.bits_per_sample == 16 {
d16 := &i16(ppos)
d16 := unsafe{ &i16(ppos) }
x = f32(*d16) / 32768.0
step = 2
}
@ -206,4 +207,5 @@ fn read_wav_file_samples(fpath string) ?[]f32 {
}
}
return res
}