merge MPEG4AudioGeneric and MPEG4AudioLATM (#430)

pkg/format/rtpmpeg4audio/decoder_generic_test.go

@@ -0,0 +1,106 @@
+package rtpmpeg4audio
+
+import (
+	"testing"
+
+	"github.com/pion/rtp"
+	"github.com/stretchr/testify/require"
+)
+
+func TestDecodeGeneric(t *testing.T) {
+	for _, ca := range casesGeneric {
+		t.Run(ca.name, func(t *testing.T) {
+			d := &Decoder{
+				SizeLength:       ca.sizeLength,
+				IndexLength:      ca.indexLength,
+				IndexDeltaLength: ca.indexDeltaLength,
+			}
+			err := d.Init()
+			require.NoError(t, err)
+
+			var aus [][]byte
+
+			for _, pkt := range ca.pkts {
+				clone := pkt.Clone()
+
+				addAUs, err := d.Decode(pkt)
+
+				// test input integrity
+				require.Equal(t, clone, pkt)
+
+				if err == ErrMorePacketsNeeded {
+					continue
+				}
+
+				require.NoError(t, err)
+				aus = append(aus, addAUs...)
+			}
+
+			require.Equal(t, ca.aus, aus)
+		})
+	}
+}
+
+func TestDecodeGenericADTS(t *testing.T) {
+	d := &Decoder{
+		SizeLength:       13,
+		IndexLength:      3,
+		IndexDeltaLength: 3,
+	}
+	err := d.Init()
+	require.NoError(t, err)
+
+	for i := 0; i < 2; i++ {
+		aus, err := d.Decode(&rtp.Packet{
+			Header: rtp.Header{
+				Version:        2,
+				Marker:         true,
+				PayloadType:    96,
+				SequenceNumber: 17645,
+				SSRC:           0x9dbb7812,
+			},
+			Payload: []byte{
+				0x00, 0x10, 0x00, 0x09 << 3,
+				0xff, 0xf1, 0x4c, 0x80, 0x1, 0x3f, 0xfc, 0xaa, 0xbb,
+			},
+		})
+		require.NoError(t, err)
+		require.Equal(t, [][]byte{{0xaa, 0xbb}}, aus)
+	}
+}
+
+func FuzzDecoderGeneric(f *testing.F) {
+	f.Fuzz(func(t *testing.T, a []byte, am bool, b []byte, bm bool) {
+		d := &Decoder{
+			SizeLength:       13,
+			IndexLength:      3,
+			IndexDeltaLength: 3,
+		}
+		err := d.Init()
+		require.NoError(t, err)
+
+		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,
+		})
+	})
+}