mirror of
https://github.com/make-42/hayai.git
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58 lines
1.4 KiB
Go
58 lines
1.4 KiB
Go
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// Copyright 2019 The Oto 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 oto
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import (
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"time"
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)
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type dummyDriver struct {
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sampleRate int
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channelNum int
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bitDepthInBytes int
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current int
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}
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func newDummyDriver(sampleRate, channelNum, bitDepthInBytes int) *dummyDriver {
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return &dummyDriver{
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sampleRate: sampleRate,
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channelNum: channelNum,
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bitDepthInBytes: bitDepthInBytes,
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}
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}
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func (d *dummyDriver) bytes(t time.Duration) int {
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return int(float64(d.sampleRate*d.channelNum*d.bitDepthInBytes) * float64(t) / float64(time.Second))
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}
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func (d *dummyDriver) TryWrite(buf []byte) (int, error) {
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d.current += len(buf)
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b := d.bytes(100 * time.Millisecond)
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for d.current >= b {
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time.Sleep(time.Second)
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d.current -= b
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}
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return len(buf), nil
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}
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func (d *dummyDriver) Close() error {
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return nil
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}
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func (d *dummyDriver) tryWriteCanReturnWithoutWaiting() bool {
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return false
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}
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