rename pkg/formats into pkt/format

pkg/format/rtplpcm/encoder_test.go

@@ -0,0 +1,105 @@
+package rtplpcm
+
+import (
+	"bytes"
+	"testing"
+
+	"github.com/pion/rtp"
+	"github.com/stretchr/testify/require"
+)
+
+func uint16Ptr(v uint16) *uint16 {
+	return &v
+}
+
+func uint32Ptr(v uint32) *uint32 {
+	return &v
+}
+
+var cases = []struct {
+	name    string
+	samples []byte
+	pkts    []*rtp.Packet
+}{
+	{
+		"single",
+		[]byte{0x01, 0x02, 0x03, 0x04, 0x05, 0x06},
+		[]*rtp.Packet{
+			{
+				Header: rtp.Header{
+					Version:        2,
+					Marker:         false,
+					PayloadType:    96,
+					SequenceNumber: 17645,
+					Timestamp:      2289526357,
+					SSRC:           0x9dbb7812,
+				},
+				Payload: []byte{0x01, 0x02, 0x03, 0x04, 0x05, 0x06},
+			},
+		},
+	},
+	{
+		"splitted",
+		bytes.Repeat([]byte{0x41, 0x42, 0x43}, 680),
+		[]*rtp.Packet{
+			{
+				Header: rtp.Header{
+					Version:        2,
+					Marker:         false,
+					PayloadType:    96,
+					SequenceNumber: 17645,
+					Timestamp:      2289526357,
+					SSRC:           0x9dbb7812,
+				},
+				Payload: bytes.Repeat([]byte{0x41, 0x42, 0x43}, 486),
+			},
+			{
+				Header: rtp.Header{
+					Version:        2,
+					Marker:         false,
+					PayloadType:    96,
+					SequenceNumber: 17646,
+					Timestamp:      2289526600,
+					SSRC:           0x9dbb7812,
+				},
+				Payload: bytes.Repeat([]byte{0x41, 0x42, 0x43}, 194),
+			},
+		},
+	},
+}
+
+func TestEncode(t *testing.T) {
+	for _, ca := range cases {
+		t.Run(ca.name, func(t *testing.T) {
+			e := &Encoder{
+				PayloadType:           96,
+				SSRC:                  uint32Ptr(0x9dbb7812),
+				InitialSequenceNumber: uint16Ptr(0x44ed),
+				InitialTimestamp:      uint32Ptr(0x88776655),
+				BitDepth:              24,
+				SampleRate:            48000,
+				ChannelCount:          2,
+			}
+			err := e.Init()
+			require.NoError(t, err)
+
+			pkts, err := e.Encode(ca.samples, 0)
+			require.NoError(t, err)
+			require.Equal(t, ca.pkts, pkts)
+		})
+	}
+}
+
+func TestEncodeRandomInitialState(t *testing.T) {
+	e := &Encoder{
+		PayloadType:  96,
+		BitDepth:     24,
+		SampleRate:   48000,
+		ChannelCount: 2,
+	}
+	err := e.Init()
+	require.NoError(t, err)
+	require.NotEqual(t, nil, e.SSRC)
+	require.NotEqual(t, nil, e.InitialSequenceNumber)
+	require.NotEqual(t, nil, e.InitialTimestamp)
+}