mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-12-27 04:08:53 +01:00
141 lines
3.3 KiB
Go
Vendored
141 lines
3.3 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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"runtime"
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"sync"
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"unsafe"
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)
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func Play(sampleRate, channelNum, bitDepthInBytes int) error {
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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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type Player struct {
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player C.PlayerID
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onWritten func()
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// m is the mutex for this player.
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// This is necessary as Close can be invoked from the finalizer goroutine.
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m sync.Mutex
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}
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func NewPlayer(volume float64, onWritten func()) *Player {
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p := &Player{
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onWritten: onWritten,
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}
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p.player = C.ebiten_oboe_Player_Create(C.double(volume), C.uintptr_t(uintptr(unsafe.Pointer(p))))
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runtime.SetFinalizer(p, (*Player).Close)
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return p
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}
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//export ebiten_oboe_onWrittenCallback
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func ebiten_oboe_onWrittenCallback(player C.uintptr_t) {
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p := (*Player)(unsafe.Pointer(uintptr(player)))
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p.onWritten()
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}
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func (p *Player) IsPlaying() bool {
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p.m.Lock()
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defer p.m.Unlock()
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return bool(C.ebiten_oboe_Player_IsPlaying(p.player))
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}
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func (p *Player) AppendBuffer(buf []byte) {
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p.m.Lock()
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defer p.m.Unlock()
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ptr := C.CBytes(buf)
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defer C.free(ptr)
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C.ebiten_oboe_Player_AppendBuffer(p.player, (*C.uint8_t)(ptr), C.int(len(buf)))
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}
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func (p *Player) Play() error {
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p.m.Lock()
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defer p.m.Unlock()
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if p.player == 0 {
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return fmt.Errorf("oboe: player is already closed at Play")
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}
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C.ebiten_oboe_Player_Play(p.player)
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return nil
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}
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func (p *Player) Pause() error {
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p.m.Lock()
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defer p.m.Unlock()
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if p.player == 0 {
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return fmt.Errorf("oboe: player is already closed at Pause")
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}
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C.ebiten_oboe_Player_Pause(p.player)
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return nil
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}
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func (p *Player) SetVolume(volume float64) {
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p.m.Lock()
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defer p.m.Unlock()
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C.ebiten_oboe_Player_SetVolume(p.player, C.double(volume))
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}
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func (p *Player) Close() error {
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p.m.Lock()
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defer p.m.Unlock()
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runtime.SetFinalizer(p, nil)
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if p.player == 0 {
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return fmt.Errorf("oboe: player is already closed at Close")
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}
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C.ebiten_oboe_Player_Close(p.player)
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p.player = 0
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return nil
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}
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func (p *Player) UnplayedBufferSize() int {
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p.m.Lock()
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defer p.m.Unlock()
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return int(C.ebiten_oboe_Player_UnplayedBufferSize(p.player))
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}
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