对于avcc的时间戳如果为0则写1，防止后面误判成非rtmp体系

common/frame.go

@@ -70,6 +70,9 @@ type AVFrame struct {
 }
 
 func (av *AVFrame) WriteAVCC(ts uint32, frame *util.BLL) {
+	if ts == 0 {
+		ts = 1
+	}
 	av.AbsTime = ts
 	av.BytesIn += frame.ByteLength
 	for {

subscriber.go

@@ -238,6 +238,7 @@ func (s *Subscriber) PlayBlock(subType byte) {
 	case SUBTYPE_FLV:
 		flvHeadCache := make([]byte, 15) //内存复用
 		sendFlvFrame := func(t byte, ts uint32, avcc ...[]byte) {
+			// fmt.Println(ts)
 			flvHeadCache[0] = t
 			result := append(FLVFrame{flvHeadCache[:11]}, avcc...)
 			dataSize := uint32(util.SizeOfBuffers(avcc))