ebiten/audio/oto.go
2022-08-07 21:56:57 +09:00

52 lines
1.4 KiB
Go

// Copyright 2021 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.
//go:build !ebitenginecbackend && !ebitencbackend
// +build !ebitenginecbackend,!ebitencbackend
package audio
import (
"io"
"github.com/hajimehoshi/oto/v2"
)
func newContext(sampleRate, channelCount, bitDepthInBytes int) (context, chan struct{}, error) {
ctx, ready, err := oto.NewContext(sampleRate, channelCount, bitDepthInBytes)
return otoContextToContext(ctx), ready, err
}
// otoContext is an interface for *oto.Context.
type otoContext interface {
NewPlayer(io.Reader) oto.Player
Suspend() error
Resume() error
Err() error
}
// contextProxy is a proxy between otoContext and context.
type contextProxy struct {
otoContext
}
// NewPlayer implements context.
func (c *contextProxy) NewPlayer(r io.Reader) player {
return c.otoContext.NewPlayer(r).(player)
}
func otoContextToContext(ctx otoContext) context {
return &contextProxy{ctx}
}