Files
go2rtc/pkg/streamer/track.go
T
2022-11-22 20:03:36 +03:00

72 lines
1.2 KiB
Go

package streamer
import (
"fmt"
"github.com/pion/rtp"
"sync"
)
type WriterFunc func(packet *rtp.Packet) error
type WrapperFunc func(push WriterFunc) WriterFunc
type Track struct {
Codec *Codec
Direction string
sink map[*Track]WriterFunc
sinkMu *sync.RWMutex
}
func NewTrack(codec *Codec, direction string) *Track {
return &Track{Codec: codec, Direction: direction, sinkMu: new(sync.RWMutex)}
}
func (t *Track) String() string {
s := t.Codec.String()
t.sinkMu.RLock()
s += fmt.Sprintf(", sinks=%d", len(t.sink))
t.sinkMu.RUnlock()
return s
}
func (t *Track) WriteRTP(p *rtp.Packet) error {
t.sinkMu.RLock()
for _, f := range t.sink {
_ = f(p)
}
t.sinkMu.RUnlock()
return nil
}
func (t *Track) Bind(w WriterFunc) *Track {
t.sinkMu.Lock()
if t.sink == nil {
t.sink = map[*Track]WriterFunc{}
}
clone := *t
t.sink[&clone] = w
t.sinkMu.Unlock()
return &clone
}
func (t *Track) Unbind() {
t.sinkMu.Lock()
delete(t.sink, t)
t.sinkMu.Unlock()
}
func (t *Track) GetSink(from *Track) {
t.sinkMu.Lock()
t.sink = from.sink
t.sinkMu.Unlock()
}
func (t *Track) HasSink() bool {
t.sinkMu.RLock()
defer t.sinkMu.RUnlock()
return len(t.sink) > 0
}