mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-09-20 21:32:20 +02:00
65 lines
1.6 KiB
Go
65 lines
1.6 KiB
Go
// Copyright 2016 Hajime Hoshi
|
|
//
|
|
// 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
|
|
|
|
package vorbis
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
|
|
"github.com/hajimehoshi/ebiten/audio"
|
|
)
|
|
|
|
type Stream struct {
|
|
decoded *decoded
|
|
}
|
|
|
|
func (s *Stream) Read(p []byte) (int, error) {
|
|
return s.decoded.Read(p)
|
|
}
|
|
|
|
func (s *Stream) Seek(offset int64, whence int) (int64, error) {
|
|
return s.decoded.Seek(offset, whence)
|
|
}
|
|
|
|
func (s *Stream) Close() error {
|
|
return s.decoded.Close()
|
|
}
|
|
|
|
// TODO: Should be int?
|
|
func (s *Stream) Size() int64 {
|
|
return s.decoded.Size()
|
|
}
|
|
|
|
// TODO: src should be ReadCloser?
|
|
func Decode(context *audio.Context, src audio.ReadSeekCloser) (*Stream, error) {
|
|
decoded, channelNum, sampleRate, err := decode(src)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
// TODO: Remove this magic number
|
|
if channelNum != 2 {
|
|
return nil, errors.New("vorbis: number of channels must be 2")
|
|
}
|
|
if sampleRate != context.SampleRate() {
|
|
return nil, fmt.Errorf("vorbis: sample rate must be %d but %d", context.SampleRate(), sampleRate)
|
|
}
|
|
s := &Stream{
|
|
decoded: decoded,
|
|
}
|
|
return s, nil
|
|
}
|