merge format and formatdecenc into formats (#222)

pkg/formats/mpeg4_audio_test.go

@@ -0,0 +1,77 @@
+package formats
+
+import (
+	"testing"
+
+	"github.com/pion/rtp"
+	"github.com/stretchr/testify/require"
+
+	"github.com/bluenviron/gortsplib/v3/pkg/codecs/mpeg4audio"
+)
+
+func TestMPEG4AudioAttributes(t *testing.T) {
+	format := &MPEG4Audio{
+		PayloadTyp: 96,
+		Config: &mpeg4audio.Config{
+			Type:         mpeg4audio.ObjectTypeAACLC,
+			SampleRate:   48000,
+			ChannelCount: 2,
+		},
+		SizeLength:       13,
+		IndexLength:      3,
+		IndexDeltaLength: 3,
+	}
+	require.Equal(t, "MPEG4-audio", format.String())
+	require.Equal(t, 48000, format.ClockRate())
+	require.Equal(t, uint8(96), format.PayloadType())
+	require.Equal(t, true, format.PTSEqualsDTS(&rtp.Packet{}))
+}
+
+func TestMPEG4AudioMediaDescription(t *testing.T) {
+	format := &MPEG4Audio{
+		PayloadTyp: 96,
+		Config: &mpeg4audio.Config{
+			Type:         mpeg4audio.ObjectTypeAACLC,
+			SampleRate:   48000,
+			ChannelCount: 2,
+		},
+		SizeLength:       13,
+		IndexLength:      3,
+		IndexDeltaLength: 3,
+	}
+
+	rtpmap, fmtp := format.Marshal()
+	require.Equal(t, "mpeg4-generic/48000/2", rtpmap)
+	require.Equal(t, map[string]string{
+		"profile-level-id": "1",
+		"mode":             "AAC-hbr",
+		"sizelength":       "13",
+		"indexlength":      "3",
+		"indexdeltalength": "3",
+		"config":           "1190",
+	}, fmtp)
+}
+
+func TestMPEG4AudioDecEncoder(t *testing.T) {
+	format := &MPEG4Audio{
+		PayloadTyp: 96,
+		Config: &mpeg4audio.Config{
+			Type:         mpeg4audio.ObjectTypeAACLC,
+			SampleRate:   48000,
+			ChannelCount: 2,
+		},
+		SizeLength:       13,
+		IndexLength:      3,
+		IndexDeltaLength: 3,
+	}
+
+	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)
+}