merge format and formatdecenc into formats (#222)

pkg/formats/lpcm_test.go

@@ -0,0 +1,59 @@
+package formats
+
+import (
+	"fmt"
+	"strconv"
+	"testing"
+
+	"github.com/pion/rtp"
+	"github.com/stretchr/testify/require"
+)
+
+func TestLPCMAttributes(t *testing.T) {
+	format := &LPCM{
+		PayloadTyp:   96,
+		BitDepth:     24,
+		SampleRate:   44100,
+		ChannelCount: 2,
+	}
+	require.Equal(t, "LPCM", format.String())
+	require.Equal(t, 44100, format.ClockRate())
+	require.Equal(t, uint8(96), format.PayloadType())
+	require.Equal(t, true, format.PTSEqualsDTS(&rtp.Packet{}))
+}
+
+func TestLPCMMediaDescription(t *testing.T) {
+	for _, ca := range []int{8, 16, 24} {
+		t.Run(strconv.FormatInt(int64(ca), 10), func(t *testing.T) {
+			format := &LPCM{
+				PayloadTyp:   96,
+				BitDepth:     ca,
+				SampleRate:   96000,
+				ChannelCount: 2,
+			}
+
+			rtpmap, fmtp := format.Marshal()
+			require.Equal(t, fmt.Sprintf("L%d/96000/2", ca), rtpmap)
+			require.Equal(t, map[string]string(nil), fmtp)
+		})
+	}
+}
+
+func TestLPCMDecEncoder(t *testing.T) {
+	format := &LPCM{
+		PayloadTyp:   96,
+		BitDepth:     16,
+		SampleRate:   96000,
+		ChannelCount: 2,
+	}
+
+	enc := format.CreateEncoder()
+	pkts, err := enc.Encode([]byte{0x01, 0x02, 0x03, 0x04}, 0)
+	require.NoError(t, err)
+	require.Equal(t, format.PayloadType(), pkts[0].PayloadType)
+
+	dec := format.CreateDecoder()
+	byts, _, err := dec.Decode(pkts[0])
+	require.NoError(t, err)
+	require.Equal(t, []byte{0x01, 0x02, 0x03, 0x04}, byts)
+}