merge MPEG4AudioGeneric and MPEG4AudioLATM (#430)

pkg/format/rtpmpeg4audio/decoder_latm_test.go

@@ -0,0 +1,96 @@
+package rtpmpeg4audio
+
+import (
+	"testing"
+
+	"github.com/pion/rtp"
+	"github.com/stretchr/testify/require"
+)
+
+func TestDecodeLATM(t *testing.T) {
+	for _, ca := range casesLATM {
+		t.Run(ca.name, func(t *testing.T) {
+			d := &Decoder{
+				LATM: true,
+			}
+			err := d.Init()
+			require.NoError(t, err)
+
+			var aus [][]byte
+
+			for _, pkt := range ca.pkts {
+				clone := pkt.Clone()
+
+				aus, err = d.Decode(pkt)
+
+				// test input integrity
+				require.Equal(t, clone, pkt)
+
+				if err == ErrMorePacketsNeeded {
+					continue
+				}
+
+				require.NoError(t, err)
+			}
+
+			require.Equal(t, ca.au, aus[0])
+		})
+	}
+}
+
+func TestDecodeLATMOtherData(t *testing.T) {
+	d := &Decoder{
+		LATM: true,
+	}
+	err := d.Init()
+	require.NoError(t, err)
+
+	aus, err := d.Decode(&rtp.Packet{
+		Header: rtp.Header{
+			Version:        2,
+			Marker:         true,
+			PayloadType:    96,
+			SequenceNumber: 17645,
+			SSRC:           2646308882,
+		},
+		Payload: []byte{
+			0x04, 0x01, 0x02, 0x03, 0x04, 5, 6,
+		},
+	})
+	require.NoError(t, err)
+
+	require.Equal(t, []byte{1, 2, 3, 4}, aus[0])
+}
+
+func FuzzDecoderLATM(f *testing.F) {
+	f.Fuzz(func(t *testing.T, a []byte, am bool, b []byte, bm bool) {
+		d := &Decoder{
+			LATM: true,
+		}
+		d.Init() //nolint:errcheck
+
+		d.Decode(&rtp.Packet{ //nolint:errcheck
+			Header: rtp.Header{
+				Version:        2,
+				Marker:         am,
+				PayloadType:    96,
+				SequenceNumber: 17645,
+				Timestamp:      2289527317,
+				SSRC:           0x9dbb7812,
+			},
+			Payload: a,
+		})
+
+		d.Decode(&rtp.Packet{ //nolint:errcheck
+			Header: rtp.Header{
+				Version:        2,
+				Marker:         bm,
+				PayloadType:    96,
+				SequenceNumber: 17646,
+				Timestamp:      2289527317,
+				SSRC:           0x9dbb7812,
+			},
+			Payload: b,
+		})
+	})
+}