add Track.String() method

track.go

@@ -12,6 +12,9 @@ import (
 
 // Track is a RTSP track.
 type Track interface {
+	// String returns the track codec.
+	String() string
+
 	// ClockRate returns the track clock rate.
 	ClockRate() int
 

track_g722.go

@@ -31,6 +31,11 @@ func newTrackG722FromMediaDescription(
 	}, nil
 }
 
+// String returns the track codec.
+func (t *TrackG722) String() string {
+	return "G722"
+}
+
 // ClockRate returns the track clock rate.
 func (t *TrackG722) ClockRate() int {
 	return 8000

track_g722_test.go

@@ -9,6 +9,7 @@ import (
 
 func TestTrackG722Attributes(t *testing.T) {
 	track := &TrackG722{}
+	require.Equal(t, "G722", track.String())
 	require.Equal(t, 8000, track.ClockRate())
 	require.Equal(t, "", track.GetControl())
 }

track_generic.go

@@ -119,6 +119,11 @@ func (t *TrackGeneric) Init() error {
 	return nil
 }
 
+// String returns the track codec.
+func (t *TrackGeneric) String() string {
+	return "Generic"
+}
+
 // ClockRate returns the track clock rate.
 func (t *TrackGeneric) ClockRate() int {
 	return t.clockRate

track_generic_test.go

@@ -7,6 +7,29 @@ import (
 	"github.com/stretchr/testify/require"
 )
 
+func TestTrackGenericAttributes(t *testing.T) {
+	track := &TrackGeneric{
+		Media: "video",
+		Payloads: []TrackGenericPayload{
+			{
+				Type:   98,
+				RTPMap: "H265/90000",
+				FMTP: "profile-id=1; sprop-vps=QAEMAf//AWAAAAMAAAMAAAMAAAMAlqwJ; " +
+					"sprop-sps=QgEBAWAAAAMAAAMAAAMAAAMAlqADwIAQ5Za5JMmuWcBSSgAAB9AAAHUwgkA=; sprop-pps=RAHgdrAwxmQ=",
+			},
+			{
+				Type: 100,
+			},
+		},
+	}
+	err := track.Init()
+	require.NoError(t, err)
+
+	require.Equal(t, "Generic", track.String())
+	require.Equal(t, 90000, track.ClockRate())
+	require.Equal(t, "", track.GetControl())
+}
+
 func TestTrackGenericClone(t *testing.T) {
 	track := &TrackGeneric{
 		Media: "video",

track_h264.go

@@ -97,6 +97,11 @@ func (t *TrackH264) fillParamsFromMediaDescription(md *psdp.MediaDescription) er
 	return fmt.Errorf("sprop-parameter-sets is missing (%v)", v)
 }
 
+// String returns the track codec.
+func (t *TrackH264) String() string {
+	return "H264"
+}
+
 // ClockRate returns the track clock rate.
 func (t *TrackH264) ClockRate() int {
 	return 90000

track_h264_test.go

@@ -14,6 +14,7 @@ func TestTrackH264Attributes(t *testing.T) {
 		PPS:               []byte{0x03, 0x04},
 		PacketizationMode: 1,
 	}
+	require.Equal(t, "H264", track.String())
 	require.Equal(t, 90000, track.ClockRate())
 	require.Equal(t, "", track.GetControl())
 	require.Equal(t, []byte{0x01, 0x02}, track.SafeSPS())

track_h265.go

@@ -98,6 +98,11 @@ func (t *TrackH265) fillParamsFromMediaDescription(md *psdp.MediaDescription) er
 	return nil
 }
 
+// String returns the track codec.
+func (t *TrackH265) String() string {
+	return "H265"
+}
+
 // ClockRate returns the track clock rate.
 func (t *TrackH265) ClockRate() int {
 	return 90000

track_h265_test.go

@@ -14,6 +14,7 @@ func TestTrackH265Attributes(t *testing.T) {
 		SPS:         []byte{0x03, 0x04},
 		PPS:         []byte{0x05, 0x06},
 	}
+	require.Equal(t, "H265", track.String())
 	require.Equal(t, 90000, track.ClockRate())
 	require.Equal(t, "", track.GetControl())
 	require.Equal(t, []byte{0x01, 0x02}, track.SafeVPS())

track_jpeg.go

@@ -20,6 +20,11 @@ func newTrackJPEGFromMediaDescription(
 	}, nil
 }
 
+// String returns the track codec.
+func (t *TrackJPEG) String() string {
+	return "JPEG"
+}
+
 // ClockRate returns the track clock rate.
 func (t *TrackJPEG) ClockRate() int {
 	return 90000

track_jpeg_test.go

@@ -9,6 +9,7 @@ import (
 
 func TestTrackJPEGAttributes(t *testing.T) {
 	track := &TrackJPEG{}
+	require.Equal(t, "JPEG", track.String())
 	require.Equal(t, 90000, track.ClockRate())
 	require.Equal(t, "", track.GetControl())
 }

track_lpcm.go

@@ -65,6 +65,11 @@ func newTrackLPCMFromMediaDescription(
 	}, nil
 }
 
+// String returns the track codec.
+func (t *TrackLPCM) String() string {
+	return "LPCM"
+}
+
 // ClockRate returns the track clock rate.
 func (t *TrackLPCM) ClockRate() int {
 	return t.SampleRate

track_lpcm_test.go

@@ -14,6 +14,7 @@ func TestTrackLPCMAttributes(t *testing.T) {
 		SampleRate:   44100,
 		ChannelCount: 2,
 	}
+	require.Equal(t, "LPCM", track.String())
 	require.Equal(t, 44100, track.ClockRate())
 	require.Equal(t, "", track.GetControl())
 }

track_mpeg2audio.go

@@ -20,6 +20,11 @@ func newTrackMPEG2AudioFromMediaDescription(
 	}, nil
 }
 
+// String returns the track codec.
+func (t *TrackMPEG2Audio) String() string {
+	return "MPEG2-audio"
+}
+
 // ClockRate returns the track clock rate.
 func (t *TrackMPEG2Audio) ClockRate() int {
 	return 90000

track_mpeg2audio_test.go

@@ -9,6 +9,7 @@ import (
 
 func TestTrackMPEG2AudioAttributes(t *testing.T) {
 	track := &TrackMPEG2Audio{}
+	require.Equal(t, "MPEG2-audio", track.String())
 	require.Equal(t, 90000, track.ClockRate())
 	require.Equal(t, "", track.GetControl())
 }

track_mpeg2video.go

@@ -20,6 +20,11 @@ func newTrackMPEG2VideoFromMediaDescription(
 	}, nil
 }
 
+// String returns the track codec.
+func (t *TrackMPEG2Video) String() string {
+	return "MPEG2-video"
+}
+
 // ClockRate returns the track clock rate.
 func (t *TrackMPEG2Video) ClockRate() int {
 	return 90000

track_mpeg2video_test.go

@@ -9,6 +9,7 @@ import (
 
 func TestTrackMPEG2VideoAttributes(t *testing.T) {
 	track := &TrackMPEG2Video{}
+	require.Equal(t, "MPEG2-video", track.String())
 	require.Equal(t, 90000, track.ClockRate())
 	require.Equal(t, "", track.GetControl())
 }

track_mpeg4audio.go

@@ -104,6 +104,11 @@ func newTrackMPEG4AudioFromMediaDescription(
 	return t, nil
 }
 
+// String returns the track codec.
+func (t *TrackMPEG4Audio) String() string {
+	return "MPEG4-audio"
+}
+
 // ClockRate returns the track clock rate.
 func (t *TrackMPEG4Audio) ClockRate() int {
 	return t.Config.SampleRate

track_mpeg4audio_test.go

@@ -21,6 +21,7 @@ func TestTrackMPEG4AudioAttributes(t *testing.T) {
 		IndexLength:      3,
 		IndexDeltaLength: 3,
 	}
+	require.Equal(t, "MPEG4-audio", track.String())
 	require.Equal(t, 48000, track.ClockRate())
 	require.Equal(t, "", track.GetControl())
 }

track_opus.go

@@ -49,6 +49,11 @@ func newTrackOpusFromMediaDescription(
 	}, nil
 }
 
+// String returns the track codec.
+func (t *TrackOpus) String() string {
+	return "Opus"
+}
+
 // ClockRate returns the track clock rate.
 func (t *TrackOpus) ClockRate() int {
 	return t.SampleRate

track_opus_test.go

@@ -13,6 +13,7 @@ func TestTrackOpusAttributes(t *testing.T) {
 		SampleRate:   48000,
 		ChannelCount: 2,
 	}
+	require.Equal(t, "Opus", track.String())
 	require.Equal(t, 48000, track.ClockRate())
 	require.Equal(t, "", track.GetControl())
 }

track_pcma.go

@@ -31,6 +31,11 @@ func newTrackPCMAFromMediaDescription(
 	}, nil
 }
 
+// String returns the track codec.
+func (t *TrackPCMA) String() string {
+	return "PCMA"
+}
+
 // ClockRate returns the track clock rate.
 func (t *TrackPCMA) ClockRate() int {
 	return 8000

track_pcma_test.go

@@ -9,6 +9,7 @@ import (
 
 func TestTrackPCMAAttributes(t *testing.T) {
 	track := &TrackPCMA{}
+	require.Equal(t, "PCMA", track.String())
 	require.Equal(t, 8000, track.ClockRate())
 	require.Equal(t, "", track.GetControl())
 }

track_pcmu.go

@@ -31,6 +31,11 @@ func newTrackPCMUFromMediaDescription(
 	}, nil
 }
 
+// String returns the track codec.
+func (t *TrackPCMU) String() string {
+	return "PCMU"
+}
+
 // ClockRate returns the track clock rate.
 func (t *TrackPCMU) ClockRate() int {
 	return 8000

track_pcmu_test.go

@@ -9,6 +9,7 @@ import (
 
 func TestTrackPCMUAttributes(t *testing.T) {
 	track := &TrackPCMU{}
+	require.Equal(t, "PCMU", track.String())
 	require.Equal(t, 8000, track.ClockRate())
 	require.Equal(t, "", track.GetControl())
 }

track_vorbis.go

@@ -90,6 +90,11 @@ func newTrackVorbisFromMediaDescription(
 	return t, nil
 }
 
+// String returns the track codec.
+func (t *TrackVorbis) String() string {
+	return "Vorbis"
+}
+
 // ClockRate returns the track clock rate.
 func (t *TrackVorbis) ClockRate() int {
 	return t.SampleRate

track_vorbis_test.go

@@ -14,6 +14,7 @@ func TestTrackVorbisAttributes(t *testing.T) {
 		ChannelCount:  2,
 		Configuration: []byte{0x01, 0x02, 0x03, 0x04},
 	}
+	require.Equal(t, "Vorbis", track.String())
 	require.Equal(t, 48000, track.ClockRate())
 	require.Equal(t, "", track.GetControl())
 }

track_vp8.go

@@ -80,6 +80,11 @@ func (t *TrackVP8) fillParamsFromMediaDescription(md *psdp.MediaDescription) err
 	return nil
 }
 
+// String returns the track codec.
+func (t *TrackVP8) String() string {
+	return "VP8"
+}
+
 // ClockRate returns the track clock rate.
 func (t *TrackVP8) ClockRate() int {
 	return 90000

track_vp8_test.go

@@ -9,6 +9,7 @@ import (
 
 func TestTrackVP8ttributes(t *testing.T) {
 	track := &TrackVP8{}
+	require.Equal(t, "VP8", track.String())
 	require.Equal(t, 90000, track.ClockRate())
 	require.Equal(t, "", track.GetControl())
 }

track_vp9.go

@@ -89,6 +89,11 @@ func (t *TrackVP9) fillParamsFromMediaDescription(md *psdp.MediaDescription) err
 	return nil
 }
 
+// String returns the track codec.
+func (t *TrackVP9) String() string {
+	return "VP9"
+}
+
 // ClockRate returns the track clock rate.
 func (t *TrackVP9) ClockRate() int {
 	return 90000

track_vp9_test.go

@@ -7,8 +7,9 @@ import (
 	"github.com/stretchr/testify/require"
 )
 
-func TestTrackVP9ttributes(t *testing.T) {
+func TestTrackVP9Attributes(t *testing.T) {
 	track := &TrackVP9{}
+	require.Equal(t, "VP9", track.String())
 	require.Equal(t, 90000, track.ClockRate())
 	require.Equal(t, "", track.GetControl())
 }