mirror of
https://github.com/livekit/livekit.git
synced 2026-04-01 00:05:40 +00:00
114 lines
2.6 KiB
Go
114 lines
2.6 KiB
Go
// Copyright 2023 LiveKit, Inc.
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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 buffer
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import (
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"io"
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"sync"
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"github.com/pion/transport/v2/packetio"
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"github.com/livekit/mediatransportutil/pkg/bucket"
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)
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type FactoryOfBufferFactory struct {
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videoPool *sync.Pool
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audioPool *sync.Pool
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}
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func NewFactoryOfBufferFactory(trackingPackets int) *FactoryOfBufferFactory {
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return &FactoryOfBufferFactory{
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videoPool: &sync.Pool{
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New: func() interface{} {
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b := make([]byte, trackingPackets*bucket.MaxPktSize)
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return &b
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},
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},
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audioPool: &sync.Pool{
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New: func() interface{} {
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b := make([]byte, bucket.MaxPktSize*200)
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return &b
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},
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},
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}
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}
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func (f *FactoryOfBufferFactory) CreateBufferFactory() *Factory {
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return &Factory{
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videoPool: f.videoPool,
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audioPool: f.audioPool,
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rtpBuffers: make(map[uint32]*Buffer),
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rtcpReaders: make(map[uint32]*RTCPReader),
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}
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}
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type Factory struct {
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sync.RWMutex
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videoPool *sync.Pool
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audioPool *sync.Pool
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rtpBuffers map[uint32]*Buffer
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rtcpReaders map[uint32]*RTCPReader
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}
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func (f *Factory) GetOrNew(packetType packetio.BufferPacketType, ssrc uint32) io.ReadWriteCloser {
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f.Lock()
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defer f.Unlock()
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switch packetType {
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case packetio.RTCPBufferPacket:
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if reader, ok := f.rtcpReaders[ssrc]; ok {
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return reader
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}
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reader := NewRTCPReader(ssrc)
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f.rtcpReaders[ssrc] = reader
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reader.OnClose(func() {
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f.Lock()
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delete(f.rtcpReaders, ssrc)
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f.Unlock()
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})
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return reader
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case packetio.RTPBufferPacket:
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if reader, ok := f.rtpBuffers[ssrc]; ok {
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return reader
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}
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buffer := NewBuffer(ssrc, f.videoPool, f.audioPool)
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f.rtpBuffers[ssrc] = buffer
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buffer.OnClose(func() {
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f.Lock()
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delete(f.rtpBuffers, ssrc)
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f.Unlock()
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})
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return buffer
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}
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return nil
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}
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func (f *Factory) GetBufferPair(ssrc uint32) (*Buffer, *RTCPReader) {
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f.RLock()
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defer f.RUnlock()
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return f.rtpBuffers[ssrc], f.rtcpReaders[ssrc]
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}
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func (f *Factory) GetBuffer(ssrc uint32) *Buffer {
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f.RLock()
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defer f.RUnlock()
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return f.rtpBuffers[ssrc]
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}
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func (f *Factory) GetRTCPReader(ssrc uint32) *RTCPReader {
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f.RLock()
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defer f.RUnlock()
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return f.rtcpReaders[ssrc]
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}
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