mirror of
https://github.com/jech/galene.git
synced 2024-11-22 08:35:57 +01:00
Make upConnections generic.
This commit is contained in:
Juliusz Chroboczek
parent
0f96f94417
commit
208f023d9e
5 changed files with 1300 additions and 1187 deletions
336
conn.go
336
conn.go
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@ -7,338 +7,38 @@ package main
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import (
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"errors"
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"sync"
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"sync/atomic"
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"sfu/estimator"
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"sfu/jitter"
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"sfu/packetcache"
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"sfu/rtptime"
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"github.com/pion/rtp"
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"github.com/pion/webrtc/v2"
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)
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type localTrackAction struct {
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add bool
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track downTrack
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}
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type upTrack struct {
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track *webrtc.Track
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label string
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rate *estimator.Estimator
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cache *packetcache.Cache
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jitter *jitter.Estimator
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maxBitrate uint64
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lastPLI uint64
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lastFIR uint64
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firSeqno uint32
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localCh chan localTrackAction // signals that local has changed
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writerDone chan struct{} // closed when the loop dies
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mu sync.Mutex
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local []downTrack
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srTime uint64
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srNTPTime uint64
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srRTPTime uint32
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}
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func (up *upTrack) notifyLocal(add bool, track downTrack) {
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select {
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case up.localCh <- localTrackAction{add, track}:
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case <-up.writerDone:
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}
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}
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func (up *upTrack) addLocal(local downTrack) error {
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up.mu.Lock()
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for _, t := range up.local {
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if t == local {
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up.mu.Unlock()
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return nil
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}
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}
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up.local = append(up.local, local)
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up.mu.Unlock()
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up.notifyLocal(true, local)
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return nil
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}
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func (up *upTrack) delLocal(local downTrack) bool {
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up.mu.Lock()
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for i, l := range up.local {
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if l == local {
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up.local = append(up.local[:i], up.local[i+1:]...)
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up.mu.Unlock()
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up.notifyLocal(false, l)
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return true
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}
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}
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up.mu.Unlock()
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return false
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}
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func (up *upTrack) getLocal() []downTrack {
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up.mu.Lock()
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defer up.mu.Unlock()
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local := make([]downTrack, len(up.local))
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copy(local, up.local)
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return local
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}
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func (up *upTrack) hasRtcpFb(tpe, parameter string) bool {
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for _, fb := range up.track.Codec().RTCPFeedback {
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if fb.Type == tpe && fb.Parameter == parameter {
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return true
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}
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}
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return false
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}
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type iceConnection interface {
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addICECandidate(candidate *webrtc.ICECandidateInit) error
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flushICECandidates() error
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}
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type upConnection struct {
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id string
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label string
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pc *webrtc.PeerConnection
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labels map[string]string
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iceCandidates []*webrtc.ICECandidateInit
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mu sync.Mutex
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closed bool
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tracks []*upTrack
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local []downConnection
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}
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var ErrConnectionClosed = errors.New("connection is closed")
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func (up *upConnection) getTracks() []*upTrack {
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up.mu.Lock()
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defer up.mu.Unlock()
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tracks := make([]*upTrack, len(up.tracks))
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copy(tracks, up.tracks)
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return tracks
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}
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func (up *upConnection) addLocal(local downConnection) error {
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up.mu.Lock()
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defer up.mu.Unlock()
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if up.closed {
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return ErrConnectionClosed
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}
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for _, t := range up.local {
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if t == local {
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return nil
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}
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}
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up.local = append(up.local, local)
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return nil
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}
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func (up *upConnection) delLocal(local downConnection) bool {
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up.mu.Lock()
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defer up.mu.Unlock()
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for i, l := range up.local {
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if l == local {
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up.local = append(up.local[:i], up.local[i+1:]...)
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return true
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}
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}
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return false
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}
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func (up *upConnection) getLocal() []downConnection {
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up.mu.Lock()
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defer up.mu.Unlock()
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local := make([]downConnection, len(up.local))
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copy(local, up.local)
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return local
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}
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func (up *upConnection) Close() error {
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up.mu.Lock()
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defer up.mu.Unlock()
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go func(local []downConnection) {
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for _, l := range local {
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l.Close()
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}
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}(up.local)
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up.local = nil
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up.closed = true
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return up.pc.Close()
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}
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func (up *upConnection) addICECandidate(candidate *webrtc.ICECandidateInit) error {
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if up.pc.RemoteDescription() != nil {
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return up.pc.AddICECandidate(*candidate)
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}
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up.iceCandidates = append(up.iceCandidates, candidate)
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return nil
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}
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func flushICECandidates(pc *webrtc.PeerConnection, candidates []*webrtc.ICECandidateInit) error {
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if pc.RemoteDescription() == nil {
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return errors.New("flushICECandidates called in bad state")
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}
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var err error
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for _, candidate := range candidates {
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err2 := pc.AddICECandidate(*candidate)
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if err == nil {
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err = err2
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}
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}
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return err
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}
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func (up *upConnection) flushICECandidates() error {
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err := flushICECandidates(up.pc, up.iceCandidates)
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up.iceCandidates = nil
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return err
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}
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func getUpMid(pc *webrtc.PeerConnection, track *webrtc.Track) string {
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for _, t := range pc.GetTransceivers() {
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if t.Receiver() != nil && t.Receiver().Track() == track {
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return t.Mid()
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}
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}
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return ""
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}
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// called locked
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func (up *upConnection) complete() bool {
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for mid, _ := range up.labels {
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found := false
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for _, t := range up.tracks {
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m := getUpMid(up.pc, t.track)
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if m == mid {
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found = true
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break
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}
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}
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if !found {
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return false
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}
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}
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return true
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}
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type bitrate struct {
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bitrate uint64
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jiffies uint64
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}
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const receiverReportTimeout = 8 * rtptime.JiffiesPerSec
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func (br *bitrate) Set(bitrate uint64, now uint64) {
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// this is racy -- a reader might read the
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// data between the two writes. This shouldn't
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// matter, we'll recover at the next sample.
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atomic.StoreUint64(&br.bitrate, bitrate)
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atomic.StoreUint64(&br.jiffies, now)
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}
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func (br *bitrate) Get(now uint64) uint64 {
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ts := atomic.LoadUint64(&br.jiffies)
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if now < ts || now-ts > receiverReportTimeout {
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return ^uint64(0)
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}
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return atomic.LoadUint64(&br.bitrate)
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}
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type receiverStats struct {
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loss uint32
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jitter uint32
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jiffies uint64
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}
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func (s *receiverStats) Set(loss uint8, jitter uint32, now uint64) {
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atomic.StoreUint32(&s.loss, uint32(loss))
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atomic.StoreUint32(&s.jitter, jitter)
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atomic.StoreUint64(&s.jiffies, now)
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}
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func (s *receiverStats) Get(now uint64) (uint8, uint32) {
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ts := atomic.LoadUint64(&s.jiffies)
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if now < ts || now > ts+receiverReportTimeout {
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return 0, 0
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}
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return uint8(atomic.LoadUint32(&s.loss)), atomic.LoadUint32(&s.jitter)
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}
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var ErrKeyframeNeeded = errors.New("keyframe needed")
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type downTrack interface {
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WriteRTP(packat *rtp.Packet) error
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Accumulate(bytes uint32)
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GetMaxBitrate(now uint64) uint64
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type upConnection interface {
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addLocal(downConnection) error
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delLocal(downConnection) bool
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Id() string
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Label() string
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}
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type rtpDownTrack struct {
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track *webrtc.Track
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remote *upTrack
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maxLossBitrate *bitrate
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maxREMBBitrate *bitrate
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rate *estimator.Estimator
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stats *receiverStats
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srTime uint64
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srNTPTime uint64
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rtt uint64
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}
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func (down *rtpDownTrack) WriteRTP(packet *rtp.Packet) error {
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return down.track.WriteRTP(packet)
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}
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func (down *rtpDownTrack) Accumulate(bytes uint32) {
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down.rate.Accumulate(bytes)
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}
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func (down *rtpDownTrack) GetMaxBitrate(now uint64) uint64 {
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br1 := down.maxLossBitrate.Get(now)
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br2 := down.maxREMBBitrate.Get(now)
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if br1 < br2 {
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return br1
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}
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return br2
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type upTrack interface {
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addLocal(downTrack) error
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delLocal(downTrack) bool
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Label() string
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Codec() *webrtc.RTPCodec
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// get a recent packet. Returns 0 if the packet is not in cache.
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getRTP(seqno uint16, result []byte) uint16
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// returns the last timestamp, if possible
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getTimestamp() (uint32, bool)
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}
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type downConnection interface {
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Close() error
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}
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type rtpDownConnection struct {
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id string
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client *webClient
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pc *webrtc.PeerConnection
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remote *upConnection
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tracks []*rtpDownTrack
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iceCandidates []*webrtc.ICECandidateInit
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}
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func (down *rtpDownConnection) Close() error {
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return down.client.action(delConnAction{down.id})
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}
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func (down *rtpDownConnection) addICECandidate(candidate *webrtc.ICECandidateInit) error {
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if down.pc.RemoteDescription() != nil {
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return down.pc.AddICECandidate(*candidate)
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}
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down.iceCandidates = append(down.iceCandidates, candidate)
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return nil
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}
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func (down *rtpDownConnection) flushICECandidates() error {
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err := flushICECandidates(down.pc, down.iceCandidates)
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down.iceCandidates = nil
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return err
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type downTrack interface {
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WriteRTP(packat *rtp.Packet) error
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Accumulate(bytes uint32)
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GetMaxBitrate(now uint64) uint64
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}
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28
disk.go
28
disk.go
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@ -24,15 +24,15 @@ type diskClient struct {
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closed bool
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}
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func (client *diskClient) getGroup() *group {
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func (client *diskClient) Group() *group {
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return client.group
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}
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func (client *diskClient) getId() string {
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func (client *diskClient) Id() string {
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return client.id
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}
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func (client *diskClient) getUsername() string {
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func (client *diskClient) Username() string {
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return "RECORDING"
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}
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@ -52,7 +52,7 @@ func (client *diskClient) Close() error {
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return nil
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}
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func (client *diskClient) pushConn(conn *upConnection, tracks []*upTrack, label string) error {
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func (client *diskClient) pushConn(conn upConnection, tracks []upTrack, label string) error {
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client.mu.Lock()
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defer client.mu.Unlock()
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@ -75,15 +75,13 @@ func (client *diskClient) pushConn(conn *upConnection, tracks []*upTrack, label
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return nil
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}
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var _ client = &diskClient{}
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type diskConn struct {
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directory string
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label string
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mu sync.Mutex
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file *os.File
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remote *upConnection
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remote upConnection
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tracks []*diskTrack
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width, height uint32
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}
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@ -154,7 +152,7 @@ func openDiskFile(directory, label string) (*os.File, error) {
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}
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type diskTrack struct {
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remote *upTrack
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remote upTrack
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conn *diskConn
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writer webm.BlockWriteCloser
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@ -162,7 +160,7 @@ type diskTrack struct {
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timestamp uint32
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}
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func newDiskConn(directory, label string, up *upConnection, remoteTracks []*upTrack) (*diskConn, error) {
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func newDiskConn(directory, label string, up upConnection, remoteTracks []upTrack) (*diskConn, error) {
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conn := diskConn{
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directory: directory,
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label: label,
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@ -172,7 +170,7 @@ func newDiskConn(directory, label string, up *upConnection, remoteTracks []*upTr
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video := false
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for _, remote := range remoteTracks {
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var builder *samplebuilder.SampleBuilder
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switch remote.track.Codec().Name {
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switch remote.Codec().Name {
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case webrtc.Opus:
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builder = samplebuilder.New(16, &codecs.OpusPacket{})
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case webrtc.VP8:
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@ -245,7 +243,7 @@ func (t *diskTrack) WriteRTP(packet *rtp.Packet) error {
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keyframe := true
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switch t.remote.track.Codec().Name {
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switch t.remote.Codec().Name {
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case webrtc.VP8:
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if len(sample.Data) < 1 {
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return nil
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@ -265,7 +263,7 @@ func (t *diskTrack) WriteRTP(packet *rtp.Packet) error {
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return nil
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}
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tm := t.timestamp / (t.remote.track.Codec().ClockRate / 1000)
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tm := t.timestamp / (t.remote.Codec().ClockRate / 1000)
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_, err := t.writer.Write(keyframe, int64(tm), sample.Data)
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if err != nil {
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return err
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@ -275,7 +273,7 @@ func (t *diskTrack) WriteRTP(packet *rtp.Packet) error {
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// called locked
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func (t *diskTrack) initWriter(data []byte) error {
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switch t.remote.track.Codec().Name {
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switch t.remote.Codec().Name {
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case webrtc.VP8:
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if len(data) < 10 {
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return nil
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@ -300,9 +298,9 @@ func (conn *diskConn) initWriter(width, height uint32) error {
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}
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var entries []webm.TrackEntry
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for i, t := range conn.tracks {
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codec := t.remote.track.Codec()
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codec := t.remote.Codec()
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var entry webm.TrackEntry
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switch t.remote.track.Codec().Name {
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switch t.remote.Codec().Name {
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case webrtc.Opus:
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entry = webm.TrackEntry{
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Name: "Audio",
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|
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30
group.go
30
group.go
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@ -22,10 +22,10 @@ import (
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)
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type client interface {
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getGroup() *group
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getId() string
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getUsername() string
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pushConn(conn *upConnection, tracks []*upTrack, label string) error
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Group() *group
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Id() string
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Username() string
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pushConn(conn upConnection, tracks []upTrack, label string) error
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pushClient(id, username string, add bool) error
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}
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@ -58,8 +58,8 @@ type delConnAction struct {
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}
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type addConnAction struct {
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conn *upConnection
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tracks []*upTrack
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conn upConnection
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tracks []upTrack
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}
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type addLabelAction struct {
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|
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@ -230,20 +230,20 @@ func addClient(name string, c client, user, pass string) (*group, error) {
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return nil, userError("too many users")
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}
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}
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if g.clients[c.getId()] != nil {
|
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if g.clients[c.Id()] != nil {
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return nil, protocolError("duplicate client id")
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}
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|
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g.clients[c.getId()] = c
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g.clients[c.Id()] = c
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go func(clients []client) {
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c.pushClient(c.getId(), c.getUsername(), true)
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c.pushClient(c.Id(), c.Username(), true)
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for _, cc := range clients {
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err := c.pushClient(cc.getId(), cc.getUsername(), true)
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err := c.pushClient(cc.Id(), cc.Username(), true)
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if err == ErrClientDead {
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return
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}
|
||||
cc.pushClient(c.getId(), c.getUsername(), true)
|
||||
cc.pushClient(c.Id(), c.Username(), true)
|
||||
}
|
||||
}(g.getClientsUnlocked(c))
|
||||
|
||||
|
|
@ -251,19 +251,19 @@ func addClient(name string, c client, user, pass string) (*group, error) {
|
|||
}
|
||||
|
||||
func delClient(c client) {
|
||||
g := c.getGroup()
|
||||
g := c.Group()
|
||||
g.mu.Lock()
|
||||
defer g.mu.Unlock()
|
||||
|
||||
if g.clients[c.getId()] != c {
|
||||
if g.clients[c.Id()] != c {
|
||||
log.Printf("Deleting unknown client")
|
||||
return
|
||||
}
|
||||
delete(g.clients, c.getId())
|
||||
delete(g.clients, c.Id())
|
||||
|
||||
go func(clients []client) {
|
||||
for _, cc := range clients {
|
||||
cc.pushClient(c.getId(), c.getUsername(), false)
|
||||
cc.pushClient(c.Id(), c.Username(), false)
|
||||
}
|
||||
}(g.getClientsUnlocked(nil))
|
||||
}
|
||||
|
|
|
|||
1127
rtpconn.go
Normal file
1127
rtpconn.go
Normal file
File diff suppressed because it is too large
Load diff
966
webclient.go
966
webclient.go
File diff suppressed because it is too large
Load diff
Loading…
Reference in a new issue