HLS: fix crash on armv7 (#440)

internal/hlsconverter/converter.go

@@ -146,7 +146,7 @@ type Converter struct {
 	tsByName        map[string]*tsFile
 	tsDeleteCount   int
 	tsMutex         sync.RWMutex
-	lastRequestTime int64
+	lastRequestTime *int64
 
 	// in
 	request chan Request
@@ -176,9 +176,12 @@ func New(
 		parent:             parent,
 		ctx:                ctx,
 		ctxCancel:          ctxCancel,
-		lastRequestTime:    time.Now().Unix(),
-		tsByName:           make(map[string]*tsFile),
-		request:            make(chan Request),
+		lastRequestTime: func() *int64 {
+			v := time.Now().Unix()
+			return &v
+		}(),
+		tsByName: make(map[string]*tsFile),
+		request:  make(chan Request),
 	}
 
 	c.log(logger.Info, "opened")
@@ -534,7 +537,7 @@ func (c *Converter) runInner(innerCtx context.Context) error {
 	for {
 		select {
 		case <-closeCheckTicker.C:
-			t := time.Unix(atomic.LoadInt64(&c.lastRequestTime), 0)
+			t := time.Unix(atomic.LoadInt64(c.lastRequestTime), 0)
 			if time.Since(t) >= closeAfterInactivity {
 				c.ringBuffer.Close()
 				<-writerDone
@@ -563,7 +566,7 @@ func (c *Converter) runRequestHandler(terminate chan struct{}, done chan struct{
 		case preq := <-c.request:
 			req := preq
 
-			atomic.StoreInt64(&c.lastRequestTime, time.Now().Unix())
+			atomic.StoreInt64(c.lastRequestTime, time.Now().Unix())
 
 			conf := c.path.Conf()