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43
audio/oto.go
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43
audio/oto.go
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@ -0,0 +1,43 @@
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// 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 audio
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import (
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"io"
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"github.com/hajimehoshi/oto/v2"
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)
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// otoContext is an interface for *oto.Context.
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type otoContext interface {
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NewPlayer(io.Reader) oto.Player
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Suspend() error
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Resume() error
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Err() error
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}
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// contextProxy is a proxy between otoContext and context.
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type contextProxy struct {
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otoContext
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}
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// contextProxy implements context.
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func (c *contextProxy) NewPlayer(r io.Reader) otoPlayer {
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return c.otoContext.NewPlayer(r)
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}
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func otoContextToContext(ctx otoContext) context {
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return &contextProxy{ctx}
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}
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@ -19,12 +19,24 @@ import (
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"runtime"
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"runtime"
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"sync"
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"sync"
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"time"
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"time"
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"github.com/hajimehoshi/oto/v2"
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)
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)
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// otoPlayer is exactly same as the interface oto.Player.
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// This is defined in order to remove the dependency on Oto from this file.
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type otoPlayer interface {
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Pause()
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Play()
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IsPlaying() bool
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Reset()
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Volume() float64
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SetVolume(volume float64)
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UnplayedBufferSize() int
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Err() error
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io.Closer
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}
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type context interface {
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type context interface {
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NewPlayer(io.Reader) oto.Player
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NewPlayer(io.Reader) otoPlayer
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Suspend() error
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Suspend() error
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Resume() error
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Resume() error
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Err() error
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Err() error
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@ -52,7 +64,7 @@ func newPlayerFactory(sampleRate int) *playerFactory {
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type player struct {
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type player struct {
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context *Context
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context *Context
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player oto.Player
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player otoPlayer
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src io.Reader
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src io.Reader
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stream *timeStream
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stream *timeStream
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factory *playerFactory
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factory *playerFactory
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@ -26,8 +26,9 @@ func newContext(sampleRate, channelNum, bitDepthInBytes int) (context, chan stru
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if js.Global().Get("go2cpp").Truthy() {
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if js.Global().Get("go2cpp").Truthy() {
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ready := make(chan struct{})
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ready := make(chan struct{})
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close(ready)
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close(ready)
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return go2cpp.NewContext(sampleRate, channelNum, bitDepthInBytes), ready, nil
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return otoContextToContext(go2cpp.NewContext(sampleRate, channelNum, bitDepthInBytes)), ready, nil
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}
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}
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return oto.NewContext(sampleRate, channelNum, bitDepthInBytes)
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ctx, ready, err := oto.NewContext(sampleRate, channelNum, bitDepthInBytes)
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return otoContextToContext(ctx), ready, err
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}
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}
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@ -22,5 +22,6 @@ import (
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)
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)
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func newContext(sampleRate, channelNum, bitDepthInBytes int) (context, chan struct{}, error) {
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func newContext(sampleRate, channelNum, bitDepthInBytes int) (context, chan struct{}, error) {
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return oto.NewContext(sampleRate, channelNum, bitDepthInBytes)
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ctx, ready, err := oto.NewContext(sampleRate, channelNum, bitDepthInBytes)
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return otoContextToContext(ctx), ready, err
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}
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}
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