feat: play rtsp h264

pkg/util/buffer_test.go

@@ -1,7 +1,9 @@
 package util
 
 import (
+	"math/rand"
 	"testing"
+	"time"
 )
 
 func TestBuffer(t *testing.T) {
@@ -16,3 +18,32 @@ func TestBuffer(t *testing.T) {
 		}
 	})
 }
+
+func TestReadBytesTo(t *testing.T) {
+	t.Run(t.Name(), func(t *testing.T) {
+		s := RandomString(100)
+		t.Logf("s:%s", s)
+		var m Memory
+		m.Append([]byte(s))
+		r := m.NewReader()
+		seededRand := rand.New(rand.NewSource(time.Now().UnixNano()))
+		var total []byte
+		for {
+			i := seededRand.Intn(10)
+			if i == 0 {
+				continue
+			}
+			buf := make([]byte, i)
+			n := r.ReadBytesTo(buf)
+			t.Logf("n:%d buf:%s", n, string(buf))
+			total = append(total, buf[:n]...)
+			if n == 0 {
+				if string(total) != s {
+					t.Logf("total:%s", total)
+					t.Fail()
+				}
+				return
+			}
+		}
+	})
+}