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

README.md

@@ -22,11 +22,11 @@ Live streams can be published to the server with:
 |--------|--------|------------|------------|
 |[SRT clients](#srt-clients)||H265, H264, MPEG-4 Video (H263, Xvid), MPEG-1/2 Video|Opus, MPEG-4 Audio (AAC), MPEG-1/2 Audio (MP3), AC-3|
 |[SRT cameras and servers](#srt-cameras-and-servers)||H265, H264, MPEG-4 Video (H263, Xvid), MPEG-1/2 Video|Opus, MPEG-4 Audio (AAC), MPEG-1/2 Audio (MP3), AC-3|
-|[WebRTC clients](#webrtc-clients)|Browser-based, WHIP|AV1, VP9, VP8, H264|Opus, G722, G711|
+|[WebRTC clients](#webrtc-clients)|Browser-based, WHIP|AV1, VP9, VP8, H264|Opus, G722, G711 (PCMA, PCMU)|
-|[WebRTC servers](#webrtc-servers)|WHEP|AV1, VP9, VP8, H264|Opus, G722, G711|
+|[WebRTC servers](#webrtc-servers)|WHEP|AV1, VP9, VP8, H264|Opus, G722, G711 (PCMA, PCMU)|
-|[RTSP clients](#rtsp-clients)|UDP, TCP, RTSPS|AV1, VP9, VP8, H265, H264, MPEG-4 Video (H263, Xvid), MPEG-1/2 Video, M-JPEG and any RTP-compatible codec|Opus, MPEG-4 Audio (AAC), MPEG-1/2 Audio (MP3), AC-3, G726, G722, G711, LPCM and any RTP-compatible codec|
+|[RTSP clients](#rtsp-clients)|UDP, TCP, RTSPS|AV1, VP9, VP8, H265, H264, MPEG-4 Video (H263, Xvid), MPEG-1/2 Video, M-JPEG and any RTP-compatible codec|Opus, MPEG-4 Audio (AAC), MPEG-1/2 Audio (MP3), AC-3, G726, G722, G711 (PCMA, PCMU), LPCM and any RTP-compatible codec|
-|[RTSP cameras and servers](#rtsp-cameras-and-servers)|UDP, UDP-Multicast, TCP, RTSPS|AV1, VP9, VP8, H265, H264, MPEG-4 Video (H263, Xvid), MPEG-1/2 Video, M-JPEG and any RTP-compatible codec|Opus, MPEG-4 Audio (AAC), MPEG-1/2 Audio (MP3), AC-3, G726, G722, G711, LPCM and any RTP-compatible codec|
+|[RTSP cameras and servers](#rtsp-cameras-and-servers)|UDP, UDP-Multicast, TCP, RTSPS|AV1, VP9, VP8, H265, H264, MPEG-4 Video (H263, Xvid), MPEG-1/2 Video, M-JPEG and any RTP-compatible codec|Opus, MPEG-4 Audio (AAC), MPEG-1/2 Audio (MP3), AC-3, G726, G722, G711 (PCMA, PCMU), LPCM and any RTP-compatible codec|
-|[RTMP clients](#rtmp-clients)|RTMP, RTMPS, Enhanced RTMP|AV1, VP9, H265, H264|MPEG-4 Audio (AAC), MPEG-1/2 Audio (MP3)|
+|[RTMP clients](#rtmp-clients)|RTMP, RTMPS, Enhanced RTMP|AV1, VP9, H265, H264|MPEG-4 Audio (AAC), MPEG-1/2 Audio (MP3), G711 (PCMA, PCMU), LPCM|
 |[RTMP cameras and servers](#rtmp-cameras-and-servers)|RTMP, RTMPS, Enhanced RTMP|H264|MPEG-4 Audio (AAC), MPEG-1/2 Audio (MP3)|
 |[HLS cameras and servers](#hls-cameras-and-servers)|Low-Latency HLS, MP4-based HLS, legacy HLS|AV1, VP9, H265, H264|Opus, MPEG-4 Audio (AAC)|
 |[UDP/MPEG-TS](#udpmpeg-ts)|Unicast, broadcast, multicast|H265, H264, MPEG-4 Video (H263, Xvid), MPEG-1/2 Video|Opus, MPEG-4 Audio (AAC), MPEG-1/2 Audio (MP3), AC-3|
@@ -37,8 +37,8 @@ And can be read from the server with:
 |protocol|variants|video codecs|audio codecs|
 |--------|--------|------------|------------|
 |[SRT](#srt)||H265, H264, MPEG-4 Video (H263, Xvid), MPEG-1/2 Video|Opus, MPEG-4 Audio (AAC), MPEG-1/2 Audio (MP3), AC-3|
-|[WebRTC](#webrtc)|Browser-based, WHEP|AV1, VP9, VP8, H264|Opus, G722, G711|
+|[WebRTC](#webrtc)|Browser-based, WHEP|AV1, VP9, VP8, H264|Opus, G722, G711 (PCMA, PCMU)|
-|[RTSP](#rtsp)|UDP, UDP-Multicast, TCP, RTSPS|AV1, VP9, VP8, H265, H264, MPEG-4 Video (H263, Xvid), MPEG-1/2 Video, M-JPEG and any RTP-compatible codec|Opus, MPEG-4 Audio (AAC), MPEG-1/2 Audio (MP3), AC-3, G726, G722, G711, LPCM and any RTP-compatible codec|
+|[RTSP](#rtsp)|UDP, UDP-Multicast, TCP, RTSPS|AV1, VP9, VP8, H265, H264, MPEG-4 Video (H263, Xvid), MPEG-1/2 Video, M-JPEG and any RTP-compatible codec|Opus, MPEG-4 Audio (AAC), MPEG-1/2 Audio (MP3), AC-3, G726, G722, G711 (PCMA, PCMU), LPCM and any RTP-compatible codec|
 |[RTMP](#rtmp)|RTMP, RTMPS, Enhanced RTMP|H264|MPEG-4 Audio (AAC), MPEG-1/2 Audio (MP3)|
 |[HLS](#hls)|Low-Latency HLS, MP4-based HLS, legacy HLS|AV1, VP9, H265, H264|Opus, MPEG-4 Audio (AAC)|
 
@@ -46,7 +46,7 @@ And can be recorded with:
 
 |format|video codecs|audio codecs|
 |------|------------|------------|
-|[fMP4](#record-streams-to-disk)|AV1, VP9, H265, H264, MPEG-4 Video (H263, Xvid), MPEG-1/2 Video, M-JPEG|Opus, MPEG-4 Audio (AAC), MPEG-1/2 Audio (MP3), AC-3, G711, LPCM|
+|[fMP4](#record-streams-to-disk)|AV1, VP9, H265, H264, MPEG-4 Video (H263, Xvid), MPEG-1/2 Video, M-JPEG|Opus, MPEG-4 Audio (AAC), MPEG-1/2 Audio (MP3), AC-3, G711 (PCMA, PCMU), LPCM|
 |[MPEG-TS](#record-streams-to-disk)|H265, H264, MPEG-4 Video (H263, Xvid), MPEG-1/2 Video|Opus, MPEG-4 Audio (AAC), MPEG-1/2 Audio (MP3), AC-3|
 
 **Features**

go.mod

@@ -8,7 +8,7 @@ require (
 	github.com/alecthomas/kong v0.8.1
 	github.com/aler9/writerseeker v1.1.0
 	github.com/bluenviron/gohlslib v1.2.0
-	github.com/bluenviron/gortsplib/v4 v4.6.2
+	github.com/bluenviron/gortsplib/v4 v4.6.3-0.20240107120136-f9eb8e573bbe
 	github.com/bluenviron/mediacommon v1.6.1-0.20231228213201-7bb211dba7e1
 	github.com/datarhei/gosrt v0.5.5
 	github.com/fsnotify/fsnotify v1.7.0

go.sum

@@ -22,8 +22,8 @@ github.com/benburkert/openpgp v0.0.0-20160410205803-c2471f86866c h1:8XZeJrs4+ZYh
 github.com/benburkert/openpgp v0.0.0-20160410205803-c2471f86866c/go.mod h1:x1vxHcL/9AVzuk5HOloOEPrtJY0MaalYr78afXZ+pWI=
 github.com/bluenviron/gohlslib v1.2.0 h1:Hrx2/n/AcmKKIV+MjZLKs5kmW+O7xCdUSPJQoS39JKw=
 github.com/bluenviron/gohlslib v1.2.0/go.mod h1:kG/Sjebsxnf5asMGaGcQ0aSvtFGNChJPgctds2wDHOI=
-github.com/bluenviron/gortsplib/v4 v4.6.2 h1:CGIsxpnUFvSlIxnSFS0oFSSfwsHMmBCmYcrGAtIcwXc=
+github.com/bluenviron/gortsplib/v4 v4.6.3-0.20240107120136-f9eb8e573bbe h1:eVx4BU4mF26UK/SQlsnIkeCIraQR8AcJf42ymYR3pQE=
-github.com/bluenviron/gortsplib/v4 v4.6.2/go.mod h1:dN1YjyPNMfy/NwC17Ga6MiIMiUoQfg5GL7LGsVHa0Jo=
+github.com/bluenviron/gortsplib/v4 v4.6.3-0.20240107120136-f9eb8e573bbe/go.mod h1:UqdkRR5YvKHP/wHEQQySJFKJm6tIZcftdP7cNszIZ1g=
 github.com/bluenviron/mediacommon v1.6.1-0.20231228213201-7bb211dba7e1 h1:f8XDAHvgPbT+n5qf73REdUo9kLmGpP4HNgphKI/8fGE=
 github.com/bluenviron/mediacommon v1.6.1-0.20231228213201-7bb211dba7e1/go.mod h1:Ij/kE1LEucSjryNBVTyPL/gBI0d6/Css3f5PyrM957w=
 github.com/bytedance/sonic v1.5.0/go.mod h1:ED5hyg4y6t3/9Ku1R6dU/4KyJ48DZ4jPhfY1O2AihPM=

internal/formatprocessor/ac3.go

@@ -53,14 +53,13 @@ func (t *formatProcessorAC3) ProcessUnit(uu unit.Unit) error { //nolint:dupl
 	if err != nil {
 		return err
 	}
+	u.RTPPackets = pkts
 
 	ts := uint32(multiplyAndDivide(u.PTS, time.Duration(t.format.ClockRate()), time.Second))
-	for _, pkt := range pkts {
+	for _, pkt := range u.RTPPackets {
 		pkt.Timestamp += ts
 	}
 
-	u.RTPPackets = pkts
-
 	return nil
 }
 

internal/formatprocessor/av1.go

@@ -55,14 +55,13 @@ func (t *formatProcessorAV1) ProcessUnit(uu unit.Unit) error { //nolint:dupl
 	if err != nil {
 		return err
 	}
+	u.RTPPackets = pkts
 
 	ts := uint32(multiplyAndDivide(u.PTS, time.Duration(t.format.ClockRate()), time.Second))
-	for _, pkt := range pkts {
+	for _, pkt := range u.RTPPackets {
 		pkt.Timestamp += ts
 	}
 
-	u.RTPPackets = pkts
-
 	return nil
 }
 

internal/formatprocessor/av1_test.go

@@ -1 +0,0 @@
-package formatprocessor

internal/formatprocessor/g711.go

@@ -41,6 +41,7 @@ func newG711(
 func (t *formatProcessorG711) createEncoder() error {
 	t.encoder = &rtpsimpleaudio.Encoder{
 		PayloadMaxSize: t.udpMaxPayloadSize - 12,
+		PayloadType:    t.format.PayloadType(),
 	}
 	return t.encoder.Init()
 }
@@ -52,11 +53,10 @@ func (t *formatProcessorG711) ProcessUnit(uu unit.Unit) error { //nolint:dupl
 	if err != nil {
 		return err
 	}
+	u.RTPPackets = []*rtp.Packet{pkt}
 
 	ts := uint32(multiplyAndDivide(u.PTS, time.Duration(t.format.ClockRate()), time.Second))
-	pkt.Timestamp += ts
+	u.RTPPackets[0].Timestamp += ts
-
-	u.RTPPackets = []*rtp.Packet{pkt}
 
 	return nil
 }

internal/formatprocessor/g711_test.go

@@ -0,0 +1,62 @@
+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 TestG611Encode(t *testing.T) {
+	t.Run("alaw", func(t *testing.T) {
+		forma := &format.G711{
+			MULaw: false,
+		}
+
+		p, err := New(1472, forma, true)
+		require.NoError(t, err)
+
+		unit := &unit.G711{
+			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:    8,
+				SequenceNumber: unit.RTPPackets[0].SequenceNumber,
+				SSRC:           unit.RTPPackets[0].SSRC,
+			},
+			Payload: []byte{1, 2, 3, 4},
+		}}, unit.RTPPackets)
+	})
+
+	t.Run("mulaw", func(t *testing.T) {
+		forma := &format.G711{
+			MULaw: true,
+		}
+
+		p, err := New(1472, forma, true)
+		require.NoError(t, err)
+
+		unit := &unit.G711{
+			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:    0,
+				SequenceNumber: unit.RTPPackets[0].SequenceNumber,
+				SSRC:           unit.RTPPackets[0].SSRC,
+			},
+			Payload: []byte{1, 2, 3, 4},
+		}}, unit.RTPPackets)
+	})
+}

internal/formatprocessor/h264.go

@@ -224,13 +224,12 @@ func (t *formatProcessorH264) ProcessUnit(uu unit.Unit) error {
 		if err != nil {
 			return err
 		}
+		u.RTPPackets = pkts
 
 		ts := uint32(multiplyAndDivide(u.PTS, time.Duration(t.format.ClockRate()), time.Second))
-		for _, pkt := range pkts {
+		for _, pkt := range u.RTPPackets {
 			pkt.Timestamp += ts
 		}
-
-		u.RTPPackets = pkts
 	}
 
 	return nil
@@ -306,12 +305,11 @@ func (t *formatProcessorH264) ProcessRTPPacket( //nolint:dupl
 		if err != nil {
 			return nil, err
 		}
+		u.RTPPackets = pkts
 
-		for _, newPKT := range pkts {
+		for _, newPKT := range u.RTPPackets {
 			newPKT.Timestamp = pkt.Timestamp
 		}
-
-		u.RTPPackets = pkts
 	}
 
 	return u, nil

internal/formatprocessor/h265.go

@@ -243,13 +243,12 @@ func (t *formatProcessorH265) ProcessUnit(uu unit.Unit) error { //nolint:dupl
 		if err != nil {
 			return err
 		}
+		u.RTPPackets = pkts
 
 		ts := uint32(multiplyAndDivide(u.PTS, time.Duration(t.format.ClockRate()), time.Second))
-		for _, pkt := range pkts {
+		for _, pkt := range u.RTPPackets {
 			pkt.Timestamp += ts
 		}
-
-		u.RTPPackets = pkts
 	}
 
 	return nil
@@ -325,12 +324,11 @@ func (t *formatProcessorH265) ProcessRTPPacket( //nolint:dupl
 		if err != nil {
 			return nil, err
 		}
+		u.RTPPackets = pkts
 
-		for _, newPKT := range pkts {
+		for _, newPKT := range u.RTPPackets {
 			newPKT.Timestamp = pkt.Timestamp
 		}
-
-		u.RTPPackets = pkts
 	}
 
 	return u, nil

internal/formatprocessor/lpcm.go

@@ -41,6 +41,9 @@ func newLPCM(
 func (t *formatProcessorLPCM) createEncoder() error {
 	t.encoder = &rtplpcm.Encoder{
 		PayloadMaxSize: t.udpMaxPayloadSize - 12,
+		PayloadType:    t.format.PayloadTyp,
+		BitDepth:       t.format.BitDepth,
+		ChannelCount:   t.format.ChannelCount,
 	}
 	return t.encoder.Init()
 }
@@ -52,14 +55,13 @@ func (t *formatProcessorLPCM) ProcessUnit(uu unit.Unit) error { //nolint:dupl
 	if err != nil {
 		return err
 	}
+	u.RTPPackets = pkts
 
 	ts := uint32(multiplyAndDivide(u.PTS, time.Duration(t.format.ClockRate()), time.Second))
-	for _, pkt := range pkts {
+	for _, pkt := range u.RTPPackets {
 		pkt.Timestamp += ts
 	}
 
-	u.RTPPackets = pkts
-
 	return nil
 }
 

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)
+}

internal/formatprocessor/mjpeg.go

@@ -54,14 +54,13 @@ func (t *formatProcessorMJPEG) ProcessUnit(uu unit.Unit) error { //nolint:dupl
 	if err != nil {
 		return err
 	}
+	u.RTPPackets = pkts
 
 	ts := uint32(multiplyAndDivide(u.PTS, time.Duration(t.format.ClockRate()), time.Second))
-	for _, pkt := range pkts {
+	for _, pkt := range u.RTPPackets {
 		pkt.Timestamp += ts
 	}
 
-	u.RTPPackets = pkts
-
 	return nil
 }
 

internal/formatprocessor/mpeg1_audio.go

@@ -53,14 +53,13 @@ func (t *formatProcessorMPEG1Audio) ProcessUnit(uu unit.Unit) error { //nolint:d
 	if err != nil {
 		return err
 	}
+	u.RTPPackets = pkts
 
 	ts := uint32(multiplyAndDivide(u.PTS, time.Duration(t.format.ClockRate()), time.Second))
-	for _, pkt := range pkts {
+	for _, pkt := range u.RTPPackets {
 		pkt.Timestamp += ts
 	}
 
-	u.RTPPackets = pkts
-
 	return nil
 }
 

internal/formatprocessor/mpeg1_video.go

@@ -54,14 +54,13 @@ func (t *formatProcessorMPEG1Video) ProcessUnit(uu unit.Unit) error { //nolint:d
 	if err != nil {
 		return err
 	}
+	u.RTPPackets = pkts
 
 	ts := uint32(multiplyAndDivide(u.PTS, time.Duration(t.format.ClockRate()), time.Second))
-	for _, pkt := range pkts {
+	for _, pkt := range u.RTPPackets {
 		pkt.Timestamp += ts
 	}
 
-	u.RTPPackets = pkts
-
 	return nil
 }
 

internal/formatprocessor/mpeg4_audio.go

@@ -57,14 +57,13 @@ func (t *formatProcessorMPEG4Audio) ProcessUnit(uu unit.Unit) error { //nolint:d
 	if err != nil {
 		return err
 	}
+	u.RTPPackets = pkts
 
 	ts := uint32(multiplyAndDivide(u.PTS, time.Duration(t.format.ClockRate()), time.Second))
-	for _, pkt := range pkts {
+	for _, pkt := range u.RTPPackets {
 		pkt.Timestamp += ts
 	}
 
-	u.RTPPackets = pkts
-
 	return nil
 }
 

internal/formatprocessor/mpeg4_video.go

@@ -94,7 +94,7 @@ func (t *formatProcessorMPEG4Video) ProcessUnit(uu unit.Unit) error { //nolint:d
 		}
 
 		ts := uint32(multiplyAndDivide(u.PTS, time.Duration(t.format.ClockRate()), time.Second))
-		for _, pkt := range pkts {
+		for _, pkt := range u.RTPPackets {
 			pkt.Timestamp += ts
 		}
 

internal/formatprocessor/vp8.go

@@ -54,14 +54,13 @@ func (t *formatProcessorVP8) ProcessUnit(uu unit.Unit) error { //nolint:dupl
 	if err != nil {
 		return err
 	}
+	u.RTPPackets = pkts
 
 	ts := uint32(multiplyAndDivide(u.PTS, time.Duration(t.format.ClockRate()), time.Second))
-	for _, pkt := range pkts {
+	for _, pkt := range u.RTPPackets {
 		pkt.Timestamp += ts
 	}
 
-	u.RTPPackets = pkts
-
 	return nil
 }
 

internal/formatprocessor/vp9.go

@@ -54,14 +54,13 @@ func (t *formatProcessorVP9) ProcessUnit(uu unit.Unit) error { //nolint:dupl
 	if err != nil {
 		return err
 	}
+	u.RTPPackets = pkts
 
 	ts := uint32(multiplyAndDivide(u.PTS, time.Duration(t.format.ClockRate()), time.Second))
-	for _, pkt := range pkts {
+	for _, pkt := range u.RTPPackets {
 		pkt.Timestamp += ts
 	}
 
-	u.RTPPackets = pkts
-
 	return nil
 }
 

internal/protocols/rtmp/chunk/chunk_test.go

@@ -156,3 +156,31 @@ func TestChunkMarshal(t *testing.T) {
 		})
 	}
 }
+
+func FuzzChunk0Read(f *testing.F) {
+	f.Fuzz(func(t *testing.T, b []byte) {
+		var chunk Chunk0
+		chunk.Read(bytes.NewReader(b), 65536, false) //nolint:errcheck
+	})
+}
+
+func FuzzChunk1Read(f *testing.F) {
+	f.Fuzz(func(t *testing.T, b []byte) {
+		var chunk Chunk1
+		chunk.Read(bytes.NewReader(b), 65536, false) //nolint:errcheck
+	})
+}
+
+func FuzzChunk2Read(f *testing.F) {
+	f.Fuzz(func(t *testing.T, b []byte) {
+		var chunk Chunk2
+		chunk.Read(bytes.NewReader(b), 65536, false) //nolint:errcheck
+	})
+}
+
+func FuzzChunk3Read(f *testing.F) {
+	f.Fuzz(func(t *testing.T, b []byte) {
+		var chunk Chunk3
+		chunk.Read(bytes.NewReader(b), 65536, true) //nolint:errcheck
+	})
+}

internal/protocols/rtmp/chunk/testdata/fuzz/FuzzChunk0Read/582528ddfad69eb5

@@ -0,0 +1,2 @@
+go test fuzz v1
+[]byte("0")

internal/protocols/rtmp/chunk/testdata/fuzz/FuzzChunk0Read/5f73a77c7f93e5f8

@@ -0,0 +1,2 @@
+go test fuzz v1
+[]byte("0\xff\xff\xff00000000")

internal/protocols/rtmp/chunk/testdata/fuzz/FuzzChunk1Read/553384c8664fe971

@@ -0,0 +1,2 @@
+go test fuzz v1
+[]byte("0\xff\xff\xff0000")

internal/protocols/rtmp/chunk/testdata/fuzz/FuzzChunk1Read/582528ddfad69eb5

@@ -0,0 +1,2 @@
+go test fuzz v1
+[]byte("0")

internal/protocols/rtmp/chunk/testdata/fuzz/FuzzChunk2Read/582528ddfad69eb5

@@ -0,0 +1,2 @@
+go test fuzz v1
+[]byte("0")

internal/protocols/rtmp/chunk/testdata/fuzz/FuzzChunk2Read/feb2b2a8b4ba63ba

@@ -0,0 +1,2 @@
+go test fuzz v1
+[]byte("0\xff\xff\xff")

internal/protocols/rtmp/chunk/testdata/fuzz/FuzzChunk3Read/582528ddfad69eb5

@@ -0,0 +1,2 @@
+go test fuzz v1
+[]byte("0")

internal/protocols/rtmp/chunk/testdata/fuzz/FuzzChunk3Read/caf81e9797b19c76

@@ -0,0 +1,2 @@
+go test fuzz v1
+[]byte("")

internal/protocols/rtmp/message/audio.go

@@ -12,12 +12,35 @@ const (
 	AudioChunkStreamID = 4
 )
 
-// supported audio codecs
+// audio codecs
 const (
 	CodecMPEG1Audio = 2
+	CodecLPCM       = 3
+	CodecPCMA       = 7
+	CodecPCMU       = 8
 	CodecMPEG4Audio = 10
 )
 
+// audio rates
+const (
+	Rate5512  = 0
+	Rate11025 = 1
+	Rate22050 = 2
+	Rate44100 = 3
+)
+
+// audio depths
+const (
+	Depth8  = 0
+	Depth16 = 1
+)
+
+// audio channels
+const (
+	ChannelsMono   = 0
+	ChannelsStereo = 1
+)
+
 // AudioAACType is the AAC type of a Audio.
 type AudioAACType uint8
 
@@ -52,7 +75,7 @@ func (m *Audio) Unmarshal(raw *rawmessage.Message) error {
 
 	m.Codec = raw.Body[0] >> 4
 	switch m.Codec {
-	case CodecMPEG1Audio, CodecMPEG4Audio:
+	case CodecMPEG4Audio, CodecMPEG1Audio, CodecPCMA, CodecPCMU, CodecLPCM:
 	default:
 		return fmt.Errorf("unsupported audio codec: %d", m.Codec)
 	}
@@ -61,9 +84,7 @@ func (m *Audio) Unmarshal(raw *rawmessage.Message) error {
 	m.Depth = (raw.Body[0] >> 1) & 0x01
 	m.Channels = raw.Body[0] & 0x01
 
-	if m.Codec == CodecMPEG1Audio {
+	if m.Codec == CodecMPEG4Audio {
-		m.Payload = raw.Body[1:]
-	} else {
 		m.AACType = AudioAACType(raw.Body[1])
 		switch m.AACType {
 		case AudioAACTypeConfig, AudioAACTypeAU:
@@ -72,6 +93,8 @@ func (m *Audio) Unmarshal(raw *rawmessage.Message) error {
 		}
 
 		m.Payload = raw.Body[2:]
+	} else {
+		m.Payload = raw.Body[1:]
 	}
 
 	return nil
@@ -93,11 +116,11 @@ func (m Audio) Marshal() (*rawmessage.Message, error) {
 
 	body[0] = m.Codec<<4 | m.Rate<<2 | m.Depth<<1 | m.Channels
 
-	if m.Codec == CodecMPEG1Audio {
+	if m.Codec == CodecMPEG4Audio {
-		copy(body[1:], m.Payload)
-	} else {
 		body[1] = uint8(m.AACType)
 		copy(body[2:], m.Payload)
+	} else {
+		copy(body[1:], m.Payload)
 	}
 
 	return &rawmessage.Message{

internal/protocols/rtmp/message/reader_test.go

@@ -33,9 +33,9 @@ var readWriterCases = []struct {
 			DTS:             6013806 * time.Millisecond,
 			MessageStreamID: 4534543,
 			Codec:           CodecMPEG1Audio,
-			Rate:            flvio.SOUND_44Khz,
+			Rate:            Rate44100,
-			Depth:           flvio.SOUND_16BIT,
+			Depth:           Depth16,
-			Channels:        flvio.SOUND_STEREO,
+			Channels:        ChannelsStereo,
 			Payload:         []byte{0x01, 0x02, 0x03, 0x04},
 		},
 		[]byte{
@@ -50,9 +50,9 @@ var readWriterCases = []struct {
 			DTS:             6013806 * time.Millisecond,
 			MessageStreamID: 4534543,
 			Codec:           CodecMPEG4Audio,
-			Rate:            flvio.SOUND_44Khz,
+			Rate:            Rate44100,
-			Depth:           flvio.SOUND_16BIT,
+			Depth:           Depth16,
-			Channels:        flvio.SOUND_STEREO,
+			Channels:        ChannelsStereo,
 			AACType:         AudioAACTypeAU,
 			Payload:         []byte{0x5A, 0xC0, 0x77, 0x40},
 		},

internal/protocols/rtmp/message/video.go

@@ -4,8 +4,6 @@ import (
 	"fmt"
 	"time"
 
-	"github.com/notedit/rtmp/format/flv/flvio"
-
 	"github.com/bluenviron/mediamtx/internal/protocols/rtmp/rawmessage"
 )
 
@@ -51,7 +49,7 @@ func (m *Video) Unmarshal(raw *rawmessage.Message) error {
 		return fmt.Errorf("invalid body size")
 	}
 
-	m.IsKeyFrame = (raw.Body[0] >> 4) == flvio.FRAME_KEY
+	m.IsKeyFrame = (raw.Body[0] >> 4) == 1
 
 	m.Codec = raw.Body[0] & 0x0F
 	switch m.Codec {
@@ -83,9 +81,9 @@ func (m Video) Marshal() (*rawmessage.Message, error) {
 	body := make([]byte, m.marshalBodySize())
 
 	if m.IsKeyFrame {
-		body[0] = flvio.FRAME_KEY << 4
+		body[0] = 1 << 4
 	} else {
-		body[0] = flvio.FRAME_INTER << 4
+		body[0] = 2 << 4
 	}
 	body[0] |= m.Codec
 	body[1] = uint8(m.Type)

internal/protocols/rtmp/reader.go

@@ -37,6 +37,12 @@ type OnDataMPEG4AudioFunc func(pts time.Duration, au []byte)
 // OnDataMPEG1AudioFunc is the prototype of the callback passed to OnDataMPEG1Audio().
 type OnDataMPEG1AudioFunc func(pts time.Duration, frame []byte)
 
+// OnDataG711Func is the prototype of the callback passed to OnDataG711().
+type OnDataG711Func func(pts time.Duration, samples []byte)
+
+// OnDataLPCMFunc is the prototype of the callback passed to OnDataLPCM().
+type OnDataLPCMFunc func(pts time.Duration, samples []byte)
+
 func hasVideo(md flvio.AMFMap) (bool, error) {
 	v, ok := md.GetV("videocodecid")
 	if !ok {
@@ -81,11 +87,25 @@ func hasAudio(md flvio.AMFMap, audioTrack *format.Format) (bool, error) {
 		case 0:
 			return false, nil
 
+		case message.CodecMPEG4Audio, message.CodecLPCM:
+			return true, nil
+
 		case message.CodecMPEG1Audio:
 			*audioTrack = &format.MPEG1Audio{}
 			return true, nil
 
-		case message.CodecMPEG4Audio:
+		case message.CodecPCMA:
+			v, ok := md.GetV("stereo")
+			if ok && v == true {
+				return false, fmt.Errorf("stereo PCMA is not supported")
+			}
+			return true, nil
+
+		case message.CodecPCMU:
+			v, ok := md.GetV("stereo")
+			if ok && v == true {
+				return false, fmt.Errorf("stereo PCMU is not supported")
+			}
 			return true, nil
 		}
 
@@ -95,7 +115,7 @@ func hasAudio(md flvio.AMFMap, audioTrack *format.Format) (bool, error) {
 		}
 	}
 
-	return false, fmt.Errorf("unsupported audio codec %v", v)
+	return false, fmt.Errorf("unsupported audio codec: %v", v)
 }
 
 func h265FindNALU(array []mp4.HEVCNaluArray, typ h265.NALUType) []byte {
@@ -244,6 +264,10 @@ func tracksFromMetadata(conn *Conn, payload []interface{}) (format.Format, forma
 			}
 
 		case *message.ExtendedSequenceStart:
+			if !hasVideo {
+				return nil, nil, fmt.Errorf("unexpected video packet")
+			}
+
 			if videoTrack == nil {
 				switch msg.FourCC {
 				case message.FourCCHEVC:
@@ -302,12 +326,46 @@ func tracksFromMetadata(conn *Conn, payload []interface{}) (format.Format, forma
 				return nil, nil, fmt.Errorf("unexpected audio packet")
 			}
 
-			if audioTrack == nil &&
+			if audioTrack == nil {
-				msg.Codec == message.CodecMPEG4Audio &&
+				switch {
-				msg.AACType == message.AudioAACTypeConfig {
+				case msg.Codec == message.CodecMPEG4Audio &&
-				audioTrack, err = trackFromAACDecoderConfig(msg.Payload)
+					msg.AACType == message.AudioAACTypeConfig:
-				if err != nil {
+					audioTrack, err = trackFromAACDecoderConfig(msg.Payload)
-					return nil, nil, err
+					if err != nil {
+						return nil, nil, err
+					}
+
+				case msg.Codec == message.CodecPCMA:
+					if msg.Channels == message.ChannelsStereo {
+						return nil, nil, fmt.Errorf("stereo PCMA is not supported")
+					}
+
+					audioTrack = &format.G711{MULaw: false}
+
+				case msg.Codec == message.CodecPCMU:
+					if msg.Channels == message.ChannelsStereo {
+						return nil, nil, fmt.Errorf("stereo PCMU is not supported")
+					}
+
+					audioTrack = &format.G711{MULaw: true}
+
+				case msg.Codec == message.CodecLPCM:
+					audioTrack = &format.LPCM{
+						PayloadTyp: 96,
+						BitDepth: func() int {
+							if msg.Depth == message.Depth16 {
+								return 16
+							}
+							return 8
+						}(),
+						SampleRate: audioRateRTMPToInt(msg.Rate),
+						ChannelCount: func() int {
+							if msg.Channels == message.ChannelsMono {
+								return 1
+							}
+							return 2
+						}(),
+					}
 				}
 			}
 		}
@@ -580,6 +638,41 @@ func (r *Reader) OnDataMPEG1Audio(cb OnDataMPEG1AudioFunc) {
 	}
 }
 
+// OnDataG711 sets a callback that is called when G711 data is received.
+func (r *Reader) OnDataG711(cb OnDataG711Func) {
+	r.onDataAudio = func(msg *message.Audio) error {
+		cb(msg.DTS, msg.Payload)
+		return nil
+	}
+}
+
+// OnDataLPCM sets a callback that is called when LPCM data is received.
+func (r *Reader) OnDataLPCM(cb OnDataLPCMFunc) {
+	bitDepth := r.audioTrack.(*format.LPCM).BitDepth
+
+	if bitDepth == 16 {
+		r.onDataAudio = func(msg *message.Audio) error {
+			le := len(msg.Payload)
+			if le%2 != 0 {
+				return fmt.Errorf("invalid payload length: %d", le)
+			}
+
+			// convert from little endian to big endian
+			for i := 0; i < le; i += 2 {
+				msg.Payload[i], msg.Payload[i+1] = msg.Payload[i+1], msg.Payload[i]
+			}
+
+			cb(msg.DTS, msg.Payload)
+			return nil
+		}
+	} else {
+		r.onDataAudio = func(msg *message.Audio) error {
+			cb(msg.DTS, msg.Payload)
+			return nil
+		}
+	}
+}
+
 // Read reads data.
 func (r *Reader) Read() error {
 	msg, err := r.conn.Read()

internal/protocols/rtmp/reader_test.go

@@ -109,7 +109,7 @@ func TestReadTracks(t *testing.T) {
 		messages   []message.Message
 	}{
 		{
-			"video+audio",
+			"h264 + aac",
 			&format.H264{
 				PayloadTyp:        96,
 				SPS:               h264SPS,
@@ -172,9 +172,9 @@ func TestReadTracks(t *testing.T) {
 					ChunkStreamID:   message.AudioChunkStreamID,
 					MessageStreamID: 0x1000000,
 					Codec:           message.CodecMPEG4Audio,
-					Rate:            flvio.SOUND_44Khz,
+					Rate:            message.Rate44100,
-					Depth:           flvio.SOUND_16BIT,
+					Depth:           message.Depth16,
-					Channels:        flvio.SOUND_STEREO,
+					Channels:        message.ChannelsStereo,
 					AACType:         message.AudioAACTypeConfig,
 					Payload: func() []byte {
 						enc, err := mpeg4audio.Config{
@@ -189,7 +189,7 @@ func TestReadTracks(t *testing.T) {
 			},
 		},
 		{
-			"video",
+			"h264",
 			&format.H264{
 				PayloadTyp:        96,
 				SPS:               h264SPS,
@@ -241,7 +241,7 @@ func TestReadTracks(t *testing.T) {
 			},
 		},
 		{
-			"issue mediamtx/386 (missing metadata), video+audio",
+			"h264 + aac, issue mediamtx/386 (missing metadata)",
 			&format.H264{
 				PayloadTyp:        96,
 				SPS:               h264SPS,
@@ -292,9 +292,9 @@ func TestReadTracks(t *testing.T) {
 					ChunkStreamID:   message.AudioChunkStreamID,
 					MessageStreamID: 0x1000000,
 					Codec:           message.CodecMPEG4Audio,
-					Rate:            flvio.SOUND_44Khz,
+					Rate:            message.Rate44100,
-					Depth:           flvio.SOUND_16BIT,
+					Depth:           message.Depth16,
-					Channels:        flvio.SOUND_STEREO,
+					Channels:        message.ChannelsStereo,
 					AACType:         message.AudioAACTypeConfig,
 					Payload: func() []byte {
 						enc, err := mpeg4audio.Config{
@@ -309,7 +309,7 @@ func TestReadTracks(t *testing.T) {
 			},
 		},
 		{
-			"issue mediamtx/386 (missing metadata), audio",
+			"aac, issue mediamtx/386 (missing metadata)",
 			nil,
 			&format.MPEG4Audio{
 				PayloadTyp: 96,
@@ -327,9 +327,9 @@ func TestReadTracks(t *testing.T) {
 					ChunkStreamID:   message.AudioChunkStreamID,
 					MessageStreamID: 0x1000000,
 					Codec:           message.CodecMPEG4Audio,
-					Rate:            flvio.SOUND_44Khz,
+					Rate:            message.Rate44100,
-					Depth:           flvio.SOUND_16BIT,
+					Depth:           message.Depth16,
-					Channels:        flvio.SOUND_STEREO,
+					Channels:        message.ChannelsStereo,
 					AACType:         message.AudioAACTypeConfig,
 					Payload: func() []byte {
 						enc, err := mpeg4audio.Config{
@@ -345,9 +345,9 @@ func TestReadTracks(t *testing.T) {
 					ChunkStreamID:   message.AudioChunkStreamID,
 					MessageStreamID: 0x1000000,
 					Codec:           message.CodecMPEG4Audio,
-					Rate:            flvio.SOUND_44Khz,
+					Rate:            message.Rate44100,
-					Depth:           flvio.SOUND_16BIT,
+					Depth:           message.Depth16,
-					Channels:        flvio.SOUND_STEREO,
+					Channels:        message.ChannelsStereo,
 					AACType:         message.AudioAACTypeConfig,
 					Payload: func() []byte {
 						enc, err := mpeg4audio.Config{
@@ -363,7 +363,7 @@ func TestReadTracks(t *testing.T) {
 			},
 		},
 		{
-			"obs studio pre 29.1 h265",
+			"h265 + aac, obs studio pre 29.1 h265",
 			&format.H265{
 				PayloadTyp: 96,
 				VPS:        h265VPS,
@@ -428,9 +428,9 @@ func TestReadTracks(t *testing.T) {
 					ChunkStreamID:   message.AudioChunkStreamID,
 					MessageStreamID: 0x1000000,
 					Codec:           message.CodecMPEG4Audio,
-					Rate:            flvio.SOUND_44Khz,
+					Rate:            message.Rate44100,
-					Depth:           flvio.SOUND_16BIT,
+					Depth:           message.Depth16,
-					Channels:        flvio.SOUND_STEREO,
+					Channels:        message.ChannelsStereo,
 					AACType:         message.AudioAACTypeConfig,
 					Payload: func() []byte {
 						enc, err := mpeg4audio.Config{
@@ -445,7 +445,7 @@ func TestReadTracks(t *testing.T) {
 			},
 		},
 		{
-			"issue mediamtx/2232 (xsplit broadcaster)",
+			"h265, issue mediamtx/2232 (xsplit broadcaster)",
 			&format.H265{
 				PayloadTyp: 96,
 				VPS:        h265VPS,
@@ -494,7 +494,7 @@ func TestReadTracks(t *testing.T) {
 			},
 		},
 		{
-			"obs 30",
+			"h265, obs 30.0",
 			&format.H265{
 				PayloadTyp: 96,
 				VPS:        h265VPS,
@@ -543,7 +543,7 @@ func TestReadTracks(t *testing.T) {
 			},
 		},
 		{
-			"ffmpeg av1",
+			"av1, ffmpeg",
 			&format.AV1{
 				PayloadTyp: 96,
 			},
@@ -604,7 +604,7 @@ func TestReadTracks(t *testing.T) {
 			},
 		},
 		{
-			"issue mediamtx/2289 (missing videocodecid)",
+			"h264 + aac, issue mediamtx/2289 (missing videocodecid)",
 			&format.H264{
 				PayloadTyp: 96,
 				SPS: []byte{
@@ -680,7 +680,7 @@ func TestReadTracks(t *testing.T) {
 			},
 		},
 		{
-			"issue mediamtx/2352 (missing audio)",
+			"h264, issue mediamtx/2352",
 			&format.H264{
 				PayloadTyp:        96,
 				SPS:               h264SPS,
@@ -762,6 +762,123 @@ func TestReadTracks(t *testing.T) {
 				},
 			},
 		},
+		{
+			"mpeg-1 audio",
+			nil,
+			&format.MPEG1Audio{},
+			[]message.Message{
+				&message.DataAMF0{
+					ChunkStreamID:   4,
+					MessageStreamID: 1,
+					Payload: []interface{}{
+						"@setDataFrame",
+						"onMetaData",
+						flvio.AMFMap{
+							{K: "duration", V: 0},
+							{K: "audiocodecid", V: 2},
+							{K: "encoder", V: "Lavf58.45.100"},
+							{K: "filesize", V: 0},
+						},
+					},
+				},
+			},
+		},
+		{
+			"pcma",
+			nil,
+			&format.G711{},
+			[]message.Message{
+				&message.DataAMF0{
+					ChunkStreamID:   4,
+					MessageStreamID: 1,
+					Payload: []interface{}{
+						"@setDataFrame",
+						"onMetaData",
+						flvio.AMFMap{
+							{K: "duration", V: 0},
+							{K: "audiocodecid", V: 7},
+							{K: "encoder", V: "Lavf58.45.100"},
+							{K: "filesize", V: 0},
+						},
+					},
+				},
+				&message.Audio{
+					ChunkStreamID:   message.AudioChunkStreamID,
+					MessageStreamID: 0x1000000,
+					Codec:           message.CodecPCMA,
+					Rate:            message.Rate5512,
+					Depth:           message.Depth16,
+					Channels:        message.ChannelsMono,
+					Payload:         []byte{1, 2, 3, 4},
+				},
+			},
+		},
+		{
+			"pcmu",
+			nil,
+			&format.G711{
+				MULaw: true,
+			},
+			[]message.Message{
+				&message.DataAMF0{
+					ChunkStreamID:   4,
+					MessageStreamID: 1,
+					Payload: []interface{}{
+						"@setDataFrame",
+						"onMetaData",
+						flvio.AMFMap{
+							{K: "duration", V: 0},
+							{K: "audiocodecid", V: 8},
+							{K: "encoder", V: "Lavf58.45.100"},
+							{K: "filesize", V: 0},
+						},
+					},
+				},
+				&message.Audio{
+					ChunkStreamID:   message.AudioChunkStreamID,
+					MessageStreamID: 0x1000000,
+					Codec:           message.CodecPCMU,
+					Rate:            message.Rate5512,
+					Depth:           message.Depth16,
+					Channels:        message.ChannelsMono,
+					Payload:         []byte{1, 2, 3, 4},
+				},
+			},
+		},
+		{
+			"lpcm gstreamer",
+			nil,
+			&format.LPCM{
+				PayloadTyp:   96,
+				BitDepth:     16,
+				SampleRate:   44100,
+				ChannelCount: 2,
+			},
+			[]message.Message{
+				&message.DataAMF0{
+					ChunkStreamID:   4,
+					MessageStreamID: 1,
+					Payload: []interface{}{
+						"@setDataFrame",
+						"onMetaData",
+						flvio.AMFMap{
+							{K: "duration", V: 0},
+							{K: "audiocodecid", V: 3},
+							{K: "filesize", V: 0},
+						},
+					},
+				},
+				&message.Audio{
+					ChunkStreamID:   message.AudioChunkStreamID,
+					MessageStreamID: 0x1000000,
+					Codec:           message.CodecLPCM,
+					Rate:            message.Rate44100,
+					Depth:           message.Depth16,
+					Channels:        message.ChannelsStereo,
+					Payload:         []byte{1, 2, 3, 4},
+				},
+			},
+		},
 	} {
 		t.Run(ca.name, func(t *testing.T) {
 			var buf bytes.Buffer

internal/protocols/rtmp/writer.go

@@ -13,24 +13,37 @@ import (
 	"github.com/bluenviron/mediamtx/internal/protocols/rtmp/message"
 )
 
-func mpeg1AudioRate(sr int) uint8 {
+func audioRateRTMPToInt(v uint8) int {
-	switch sr {
+	switch v {
-	case 5500:
+	case message.Rate5512:
-		return flvio.SOUND_5_5Khz
+		return 5512
+	case message.Rate11025:
+		return 11025
+	case message.Rate22050:
+		return 22050
+	default:
+		return 44100
+	}
+}
+
+func audioRateIntToRTMP(v int) uint8 {
+	switch v {
+	case 5512:
+		return message.Rate5512
 	case 11025:
-		return flvio.SOUND_11Khz
+		return message.Rate11025
 	case 22050:
-		return flvio.SOUND_22Khz
+		return message.Rate22050
 	default:
-		return flvio.SOUND_44Khz
+		return message.Rate44100
 	}
 }
 
 func mpeg1AudioChannels(m mpeg1audio.ChannelMode) uint8 {
 	if m == mpeg1audio.ChannelModeMono {
-		return flvio.SOUND_MONO
+		return message.ChannelsMono
 	}
-	return flvio.SOUND_STEREO
+	return message.ChannelsStereo
 }
 
 // Writer is a wrapper around Conn that provides utilities to mux outgoing data.
@@ -141,9 +154,9 @@ func (w *Writer) writeTracks(videoTrack format.Format, audioTrack format.Format)
 			ChunkStreamID:   message.AudioChunkStreamID,
 			MessageStreamID: 0x1000000,
 			Codec:           message.CodecMPEG4Audio,
-			Rate:            flvio.SOUND_44Khz,
+			Rate:            message.Rate44100,
-			Depth:           flvio.SOUND_16BIT,
+			Depth:           message.Depth16,
-			Channels:        flvio.SOUND_STEREO,
+			Channels:        message.ChannelsStereo,
 			AACType:         message.AudioAACTypeConfig,
 			Payload:         enc,
 		})
@@ -180,9 +193,9 @@ func (w *Writer) WriteMPEG4Audio(pts time.Duration, au []byte) error {
 		ChunkStreamID:   message.AudioChunkStreamID,
 		MessageStreamID: 0x1000000,
 		Codec:           message.CodecMPEG4Audio,
-		Rate:            flvio.SOUND_44Khz,
+		Rate:            message.Rate44100,
-		Depth:           flvio.SOUND_16BIT,
+		Depth:           message.Depth16,
-		Channels:        flvio.SOUND_STEREO,
+		Channels:        message.ChannelsStereo,
 		AACType:         message.AudioAACTypeAU,
 		Payload:         au,
 		DTS:             pts,
@@ -195,8 +208,8 @@ func (w *Writer) WriteMPEG1Audio(pts time.Duration, h *mpeg1audio.FrameHeader, f
 		ChunkStreamID:   message.AudioChunkStreamID,
 		MessageStreamID: 0x1000000,
 		Codec:           message.CodecMPEG1Audio,
-		Rate:            mpeg1AudioRate(h.SampleRate),
+		Rate:            audioRateIntToRTMP(h.SampleRate),
-		Depth:           flvio.SOUND_16BIT,
+		Depth:           message.Depth16,
 		Channels:        mpeg1AudioChannels(h.ChannelMode),
 		Payload:         frame,
 		DTS:             pts,

internal/protocols/rtmp/writer_test.go

@@ -89,9 +89,9 @@ func TestWriteTracks(t *testing.T) {
 		ChunkStreamID:   message.AudioChunkStreamID,
 		MessageStreamID: 0x1000000,
 		Codec:           message.CodecMPEG4Audio,
-		Rate:            flvio.SOUND_44Khz,
+		Rate:            message.Rate44100,
-		Depth:           flvio.SOUND_16BIT,
+		Depth:           message.Depth16,
-		Channels:        flvio.SOUND_STEREO,
+		Channels:        message.ChannelsStereo,
 		AACType:         message.AudioAACTypeConfig,
 		Payload:         []byte{0x12, 0x10},
 	}, msg)

internal/servers/rtmp/conn.go

@@ -524,6 +524,28 @@ func (c *conn) runPublish(conn *rtmp.Conn, u *url.URL) error {
 				})
 			})
 
+		case *format.G711:
+			r.OnDataG711(func(pts time.Duration, samples []byte) {
+				stream.WriteUnit(audioMedia, audioFormat, &unit.G711{
+					Base: unit.Base{
+						NTP: time.Now(),
+						PTS: pts,
+					},
+					Samples: samples,
+				})
+			})
+
+		case *format.LPCM:
+			r.OnDataLPCM(func(pts time.Duration, samples []byte) {
+				stream.WriteUnit(audioMedia, audioFormat, &unit.LPCM{
+					Base: unit.Base{
+						NTP: time.Now(),
+						PTS: pts,
+					},
+					Samples: samples,
+				})
+			})
+
 		default:
 			return fmt.Errorf("unsupported audio codec: %T", audioFormat)
 		}