mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-09-20 21:32:20 +02:00
70 lines
1.9 KiB
Go
Vendored
70 lines
1.9 KiB
Go
Vendored
// Copyright 2021 The Ebiten Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package oboe
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// Disable AAudio (#1634).
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// AAudio doesn't care about plugging in/out of a headphone.
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// See https://github.com/google/oboe/blob/master/docs/notes/disconnect.md
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// #cgo CXXFLAGS: -std=c++17 -DOBOE_ENABLE_AAUDIO=0
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// #cgo LDFLAGS: -llog -lOpenSLES -static-libstdc++
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//
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// #include "binding_android.h"
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import "C"
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import (
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"fmt"
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"reflect"
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"unsafe"
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)
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var theReadFunc func(buf []float32)
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func Play(sampleRate, channelNum, bitDepthInBytes int, readFunc func(buf []float32)) error {
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// Play can invoke the callback. Set the callback before Play.
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theReadFunc = readFunc
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if msg := C.ebiten_oboe_Play(C.int(sampleRate), C.int(channelNum), C.int(bitDepthInBytes)); msg != nil {
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return fmt.Errorf("oboe: Play failed: %s", C.GoString(msg))
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}
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return nil
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}
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func Suspend() error {
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if msg := C.ebiten_oboe_Suspend(); msg != nil {
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return fmt.Errorf("oboe: Suspend failed: %s", C.GoString(msg))
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}
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return nil
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}
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func Resume() error {
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if msg := C.ebiten_oboe_Resume(); msg != nil {
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return fmt.Errorf("oboe: Resume failed: %s", C.GoString(msg))
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}
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return nil
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}
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//export ebiten_oboe_read
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func ebiten_oboe_read(buf *C.float, len C.size_t) {
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var s []float32
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h := (*reflect.SliceHeader)(unsafe.Pointer(&s))
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h.Data = uintptr(unsafe.Pointer(buf))
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h.Len = int(len)
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h.Cap = int(len)
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for i := range s {
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s[i] = 0
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}
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theReadFunc(s)
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}
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