6b06802b54
* upgrade to pion/webrtc v4 bump version to 2.4.0 * update go version for buildtest * pion 4.0.4
72 lines
1.7 KiB
Go
72 lines
1.7 KiB
Go
// Copyright 2023 LiveKit, Inc.
|
|
//
|
|
// 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.
|
|
|
|
package lksdk
|
|
|
|
import (
|
|
"context"
|
|
"time"
|
|
|
|
"github.com/pion/webrtc/v4/pkg/media"
|
|
)
|
|
|
|
type SampleProvider interface {
|
|
NextSample(context.Context) (media.Sample, error)
|
|
OnBind() error
|
|
OnUnbind() error
|
|
Close() error
|
|
}
|
|
|
|
type AudioSampleProvider interface {
|
|
SampleProvider
|
|
CurrentAudioLevel() uint8
|
|
}
|
|
|
|
// BaseSampleProvider provides empty implementations for OnBind and OnUnbind
|
|
type BaseSampleProvider struct {
|
|
}
|
|
|
|
func (p *BaseSampleProvider) OnBind() error {
|
|
return nil
|
|
}
|
|
|
|
func (p *BaseSampleProvider) OnUnbind() error {
|
|
return nil
|
|
}
|
|
|
|
func (p *BaseSampleProvider) Close() error {
|
|
return nil
|
|
}
|
|
|
|
// NullSampleProvider is a media provider that provides null packets, it could meet a certain bitrate, if desired
|
|
type NullSampleProvider struct {
|
|
BaseSampleProvider
|
|
BytesPerSample uint32
|
|
SampleDuration time.Duration
|
|
}
|
|
|
|
func NewNullSampleProvider(bitrate uint32) *NullSampleProvider {
|
|
return &NullSampleProvider{
|
|
SampleDuration: time.Second / 30,
|
|
BytesPerSample: bitrate / 8 / 30,
|
|
}
|
|
}
|
|
|
|
func (p *NullSampleProvider) NextSample(ctx context.Context) (media.Sample, error) {
|
|
return media.Sample{
|
|
Data: make([]byte, p.BytesPerSample),
|
|
Duration: p.SampleDuration,
|
|
}, nil
|
|
}
|