support fragmented MPEG-2 audio frames (#259)

pkg/formats/rtpvp9/decoder_test.go

@@ -2,7 +2,6 @@ package rtpvp9
 
 import (
 	"testing"
-	"time"
 
 	"github.com/pion/rtp"
 	"github.com/stretchr/testify/require"
@@ -14,36 +13,14 @@ func TestDecode(t *testing.T) {
 			d := &Decoder{}
 			d.Init()
 
-			// send an initial packet downstream
-			// in order to compute the right timestamp,
-			// that is relative to the initial packet
-			pkt := rtp.Packet{
-				Header: rtp.Header{
-					Version:        2,
-					Marker:         true,
-					PayloadType:    96,
-					SequenceNumber: 17645,
-					Timestamp:      2289526357,
-					SSRC:           0x9dbb7812,
-				},
-				Payload: []byte{0x9c, 0xb5, 0xaf, 0x01, 0x02, 0x03, 0x04},
-			}
-			_, _, err := d.Decode(&pkt)
-			require.NoError(t, err)
-
 			var frame []byte
+			var err error
 
 			for _, pkt := range ca.pkts {
-				var pts time.Duration
-				frame, pts, err = d.Decode(pkt)
-				if err == ErrMorePacketsNeeded {
-					continue
-				}
-
-				require.NoError(t, err)
-				require.Equal(t, ca.pts, pts)
+				frame, _, err = d.Decode(pkt)
 			}
 
+			require.NoError(t, err)
 			require.Equal(t, ca.frame, frame)
 		})
 	}