rtmp: support publishing G711 and LPCM tracks (#2857) (#2884)

internal/formatprocessor/lpcm_test.go

@@ -0,0 +1,37 @@
+package formatprocessor
+
+import (
+	"testing"
+
+	"github.com/bluenviron/gortsplib/v4/pkg/format"
+	"github.com/bluenviron/mediamtx/internal/unit"
+	"github.com/pion/rtp"
+	"github.com/stretchr/testify/require"
+)
+
+func TestLPCMEncode(t *testing.T) {
+	forma := &format.LPCM{
+		PayloadTyp:   96,
+		BitDepth:     16,
+		ChannelCount: 2,
+	}
+
+	p, err := New(1472, forma, true)
+	require.NoError(t, err)
+
+	unit := &unit.LPCM{
+		Samples: []byte{1, 2, 3, 4},
+	}
+
+	err = p.ProcessUnit(unit)
+	require.NoError(t, err)
+	require.Equal(t, []*rtp.Packet{{
+		Header: rtp.Header{
+			Version:        2,
+			PayloadType:    96,
+			SequenceNumber: unit.RTPPackets[0].SequenceNumber,
+			SSRC:           unit.RTPPackets[0].SSRC,
+		},
+		Payload: []byte{1, 2, 3, 4},
+	}}, unit.RTPPackets)
+}