mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-12-26 11:48:55 +01:00
38 lines
1011 B
Go
38 lines
1011 B
Go
// Copyright 2018 The Ebiten Authors
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
// +build js,wasm
|
|
|
|
package mp3
|
|
|
|
import (
|
|
"reflect"
|
|
"syscall/js"
|
|
"unsafe"
|
|
)
|
|
|
|
func float32ArrayToSlice(arr js.Value) []float32 {
|
|
bytes := make([]byte, arr.Length()*4)
|
|
js.ValueOf(bytes).Call("set", arr.Get("buffer"))
|
|
|
|
bh := (*reflect.SliceHeader)(unsafe.Pointer(&bytes))
|
|
var f []float32
|
|
fh := (*reflect.SliceHeader)(unsafe.Pointer(&f))
|
|
|
|
fh.Data = bh.Data
|
|
fh.Len = bh.Len / 4
|
|
fh.Cap = bh.Cap / 4
|
|
return f
|
|
}
|