Add H.265 payloader test

pion · Jan 4, 2025 · c206687 · c206687
1 parent 41872d3
commit c206687
Showing 1 changed file with 284 additions and 0 deletions.
diff --git a/codecs/h265_packet_test.go b/codecs/h265_packet_test.go
@@ -871,6 +871,290 @@ func TestH265_Packet_Real(t *testing.T) {
 	}
 }
 
+func TestH265Payloader_Payload(t *testing.T) {
+	tt := []struct {
+		Name            string
+		Data            []byte
+		MTU             uint16
+		AddDONL         bool
+		SkipAggregation bool
+		ExpectedLen     int
+		ExpectedData    *[][]byte
+		Msg             string
+	}{
+		{
+			Name:        "Positive MTU, nil payload",
+			MTU:         1,
+			Data:        nil,
+			ExpectedLen: 0,
+			Msg:         "Generated payload must be empty",
+		},
+		{
+			Name:        "Positive MTU, empty NAL",
+			MTU:         1,
+			Data:        []byte{},
+			ExpectedLen: 0,
+			Msg:         "Generated payload should be empty",
+		},
+		{
+			Name:        "Zero MTU, start code",
+			MTU:         0,
+			Data:        []byte{0x00, 0x00, 0x01},
+			ExpectedLen: 0,
+			Msg:         "Generated payload should be empty",
+		},
+		{
+			Name:        "Positive MTU, 1 byte payload",
+			MTU:         1,
+			Data:        []byte{0x90},
+			ExpectedLen: 0,
+			Msg:         "Generated payload should be empty. H.265 nal unit too small",
+		},
+		{
+			Name:        "MTU:1, 2 byte payload",
+			MTU:         1,
+			Data:        []byte{0x46, 0x01},
+			ExpectedLen: 0,
+			Msg:         "Generated payload should be empty. H.265 nal unit too small",
+		},
+		{
+			Name:        "MTU:2, 2 byte payload.",
+			MTU:         2,
+			Data:        []byte{0x46, 0x01},
+			ExpectedLen: 0,
+			Msg:         "Generated payload should be empty. min MTU is 4",
+		},
+		{
+			Name:         "MTU:4, 2 byte payload.",
+			MTU:          4,
+			Data:         []byte{0x46, 0x01},
+			ExpectedData: &[][]byte{{0x46, 0x01}},
+			Msg:          "AUD packetization failed",
+		},
+		{
+			Name:        "Negative MTU, small payload",
+			MTU:         0,
+			Data:        []byte{0x90, 0x90, 0x90},
+			ExpectedLen: 0,
+		},
+		{
+			Name:        "Negative MTU, small payload",
+			MTU:         0,
+			Data:        []byte{0x90, 0x90, 0x90},
+			ExpectedLen: 0,
+		},
+		{
+			Name:        "Negative MTU, small payload",
+			MTU:         1,
+			Data:        []byte{0x90, 0x90, 0x90},
+			ExpectedLen: 0,
+		},
+		{
+			Name:         "Negative MTU, small payload",
+			MTU:          5,
+			Data:         []byte{0x90, 0x90, 0x90},
+			ExpectedData: &[][]byte{{0x90, 0x90, 0x90}},
+		},
+		{
+			Name: "Large payload",
+			MTU:  5,
+			Data: []byte{
+				0x00, 0x00, 0x01, 0x00,
+				0x01, 0x02, 0x03, 0x04,
+				0x05, 0x06, 0x07, 0x08,
+				0x09, 0x10, 0x11, 0x12,
+				0x13, 0x14, 0x15,
+			},
+			ExpectedData: &[][]byte{
+				{0x62, 0x01, 0x80, 0x02, 0x03},
+				{0x62, 0x01, 0x00, 0x04, 0x05},
+				{0x62, 0x01, 0x00, 0x06, 0x07},
+				{0x62, 0x01, 0x00, 0x08, 0x09},
+				{0x62, 0x01, 0x00, 0x10, 0x11},
+				{0x62, 0x01, 0x00, 0x12, 0x13},
+				{0x62, 0x01, 0x40, 0x14, 0x15},
+			},
+			Msg: "Large payload split across fragmentation Packets",
+		},
+		{
+			Name: "Short MTU, multiple NALUs flushed in single packet",
+			MTU:  5,
+			Data: []byte{
+				0x00, 0x00, 0x01, 0x00, 0x01,
+				0x00, 0x00, 0x01, 0x02, 0x03,
+			},
+			ExpectedData: &[][]byte{{0x00, 0x01}, {0x02, 0x03}},
+			Msg:          "multiple Single NALUs packetization should succeed",
+		},
+		{
+			Name: "Enough MUT, multiple NALUs create Signle Packet",
+			MTU:  10,
+			Data: []byte{
+				0x00, 0x00, 0x01, 0x00, 0x01,
+				0x00, 0x00, 0x01, 0x02, 0x03,
+			},
+			ExpectedData: &[][]byte{{0x60, 0x01, 0x00, 0x02, 0x00, 0x01, 0x00, 0x02, 0x02, 0x03}},
+			Msg:          "Aggregation packetization should succeed",
+		},
+		{
+			Name: "Enough MUT, multiple NALUs flushed two Packets, don't aggregate",
+			MTU:  5,
+			Data: []byte{
+				0x00, 0x00, 0x01, 0x00, 0x01,
+				0x00, 0x00, 0x01, 0x02, 0x03,
+				0x00, 0x00, 0x01, 0x04, 0x05,
+			},
+			ExpectedData: &[][]byte{{0x00, 0x01}, {0x02, 0x03}, {0x04, 0x05}},
+			Msg:          "multiple Single NALUs packetization should succeed",
+		},
+		{
+			Name: "Enough MUT, multiple NALUs flushed two Packets, aggregate",
+			MTU:  15,
+			Data: []byte{
+				0x00, 0x00, 0x01, 0x00, 0x01,
+				0x00, 0x00, 0x01, 0x02, 0x03,
+				0x00, 0x00, 0x01, 0x04, 0x05,
+			},
+			ExpectedData: &[][]byte{{0x60, 0x01, 0x00, 0x02, 0x00, 0x01, 0x00, 0x02, 0x02, 0x03, 0x00, 0x02, 0x04, 0x05}},
+			Msg:          "Aggregation packetization should succeed",
+		},
+		// Add DONL = true
+		{
+			Name:        "DONL, invalid MTU:1",
+			MTU:         1,
+			Data:        []byte{0x01},
+			AddDONL:     true,
+			ExpectedLen: 0,
+			Msg:         "Generated payload must be empty",
+		},
+		{
+			Name:        "DONL MTU:4, 2 byte payload.",
+			MTU:         4,
+			Data:        []byte{0x00, 0x01},
+			AddDONL:     true,
+			ExpectedLen: 0,
+			Msg:         "Generated payload must be empty",
+		},
+		{
+			Name:         "DONL single NALU minimum payload",
+			MTU:          6,
+			Data:         []byte{0x00, 0x01},
+			AddDONL:      true,
+			ExpectedData: &[][]byte{{0x00, 0x01, 0x00, 0x00}},
+			Msg:          "single NALU should be packetized",
+		},
+		{
+			Name: "DONL multiple NALU",
+			MTU:  6,
+			Data: []byte{
+				0x00, 0x00, 0x01, 0x00, 0x01,
+				0x00, 0x00, 0x01, 0x02, 0x03,
+				0x00, 0x00, 0x01, 0x04, 0x05,
+			},
+			AddDONL: true,
+			ExpectedData: &[][]byte{
+				{0x00, 0x01, 0x00, 0x00},
+				{0x02, 0x03, 0x00, 0x01},
+				{0x04, 0x05, 0x00, 0x02},
+			},
+			Msg: "DONL should be incremented",
+		},
+		{
+			Name: "DONL aggregation minimum payload",
+			MTU:  18,
+			Data: []byte{
+				0x00, 0x00, 0x01, 0x00, 0x01,
+				0x00, 0x00, 0x01, 0x02, 0x03,
+				0x00, 0x00, 0x01, 0x04, 0x05,
+			},
+			AddDONL: true,
+			ExpectedData: &[][]byte{
+				{
+					0x60, 0x01, // NALU Header + Layer ID + TID
+					0x00, 0x00, // DONL
+					0x00, 0x02, 0x00, 0x01,
+					0x00, // DONL
+					0x00, 0x02, 0x02, 0x03,
+					0x01, // DONL
+					0x00, 0x02, 0x04, 0x05,
+				},
+			},
+			Msg: "DONL Aggregation packetization should succeed",
+		},
+		{
+			Name: "DONL Large payload",
+			MTU:  7,
+			Data: []byte{
+				0x00, 0x00, 0x01, 0x00,
+				0x01, 0x02, 0x03, 0x04,
+				0x05, 0x06, 0x07, 0x08,
+				0x09, 0x10, 0x11, 0x12,
+				0x13, 0x14, 0x15,
+			},
+			AddDONL: true,
+			ExpectedData: &[][]byte{
+				{0x62, 0x01, 0x80, 0x00, 0x00, 0x02, 0x03},
+				{0x62, 0x01, 0x00, 0x00, 0x01, 0x04, 0x05},
+				{0x62, 0x01, 0x00, 0x00, 0x02, 0x06, 0x07},
+				{0x62, 0x01, 0x00, 0x00, 0x03, 0x08, 0x09},
+				{0x62, 0x01, 0x00, 0x00, 0x04, 0x10, 0x11},
+				{0x62, 0x01, 0x00, 0x00, 0x05, 0x12, 0x13},
+				{0x62, 0x01, 0x40, 0x00, 0x06, 0x14, 0x15},
+			},
+			Msg: "DONL Large payload split across fragmentation Packets",
+		},
+		// SkipAggregation = true
+		{
+			Name: "SkipAggregation Enough MUT, multiple NALUs",
+			MTU:  4,
+			Data: []byte{
+				0x00, 0x00, 0x01, 0x00, 0x01,
+				0x00, 0x00, 0x01, 0x02, 0x03,
+				0x00, 0x00, 0x01, 0x04, 0x05,
+			},
+			SkipAggregation: true,
+			ExpectedData:    &[][]byte{{0x00, 0x01}, {0x02, 0x03}, {0x04, 0x05}},
+			Msg:             "Aggregation packetization should be skipped",
+		},
+	}
+
+	for _, cur := range tt {
+		t.Run(cur.Name, func(t *testing.T) {
+			pck := H265Payloader{AddDONL: cur.AddDONL, SkipAggregation: cur.SkipAggregation}
+			res := pck.Payload(cur.MTU, cur.Data)
+			if cur.ExpectedData != nil {
+				if !reflect.DeepEqual(res, *cur.ExpectedData) {
+					t.Fatal(cur.Msg)
+				}
+			} else {
+				if len(res) != cur.ExpectedLen {
+					t.Fatal(cur.Msg)
+				}
+			}
+		})
+	}
+}
+
+func TestH265Payloader_Real(t *testing.T) {
+	// curl -LO "https://test-videos.co.uk/vids/bigbuckbunny/mp4/h265/1080/Big_Buck_Bunny_1080_10s_1MB.mp4"
+	// ffmpeg -i Big_Buck_Bunny_1080_10s_1MB.mp4 -c:v copy Big_Buck_Bunny_1080_10s_1MB.h265
+	// hexdump -v -e '1/1 "0x%02x, "' Big_Buck_Bunny_1080_10s_1MB.h265 > aaa
+	payload := []byte{
+		0x00, 0x00, 0x00, 0x01, 0x40, 0x01, 0x0c, 0x01, 0xff, 0xff, 0x01, 0x60, 0x00, 0x00, 0x03, 0x00, 0x90, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x78, 0x95, 0x98, 0x09,
+		0x00, 0x00, 0x00, 0x01, 0x42, 0x01, 0x01, 0x01, 0x60, 0x00, 0x00, 0x03, 0x00, 0x90, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x78, 0xa0, 0x03, 0xc0, 0x80, 0x10, 0xe5, 0x96, 0x56, 0x69, 0x24, 0xca, 0xf0, 0x10, 0x10, 0x00, 0x00, 0x03, 0x00, 0x10, 0x00, 0x00, 0x03, 0x01, 0xe0, 0x80,
+		0x00, 0x00, 0x00, 0x01, 0x44, 0x01, 0xc1, 0x72, 0xb4, 0x62, 0x40,
+		0x00, 0x00, 0x00, 0x01, 0x4e, 0x01, 0x05, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x71, 0x2c, 0xa2, 0xde, 0x09, 0xb5, 0x17, 0x47, 0xdb, 0xbb, 0x55, 0xa4, 0xfe, 0x7f, 0xc2, 0xfc, 0x4e, 0x78, 0x32, 0x36, 0x35, 0x20, 0x28, 0x62, 0x75, 0x69, 0x6c, 0x64, 0x20, 0x31, 0x35, 0x31, 0x29, 0x20, 0x2d, 0x20, 0x32, 0x2e, 0x36, 0x2b, 0x34, 0x39, 0x2d, 0x37, 0x32, 0x31, 0x39, 0x33, 0x37, 0x36, 0x64, 0x65, 0x34, 0x32, 0x61, 0x3a, 0x5b, 0x57, 0x69, 0x6e, 0x64, 0x6f, 0x77, 0x73, 0x5d, 0x5b, 0x47, 0x43, 0x43, 0x20, 0x37, 0x2e, 0x33, 0x2e, 0x30, 0x5d, 0x5b, 0x36, 0x34, 0x20, 0x62, 0x69, 0x74, 0x5d, 0x20, 0x38, 0x62, 0x69, 0x74, 0x2b, 0x31, 0x30, 0x62, 0x69, 0x74, 0x20, 0x2d, 0x20, 0x48, 0x2e, 0x32, 0x36, 0x35, 0x2f, 0x48, 0x45, 0x56, 0x43, 0x20, 0x63, 0x6f, 0x64, 0x65, 0x63, 0x20, 0x2d, 0x20, 0x43, 0x6f, 0x70, 0x79, 0x72, 0x69, 0x67, 0x68, 0x74, 0x20, 0x32, 0x30, 0x31, 0x33, 0x2d, 0x32, 0x30, 0x31, 0x38, 0x20, 0x28, 0x63, 0x29, 0x20, 0x4d, 0x75, 0x6c, 0x74, 0x69, 0x63, 0x6f, 0x72, 0x65, 0x77, 0x61, 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+	}
+	pck := H265Payloader{}
+	res := pck.Payload(1400, payload)
+	if len(res) != 3 {
+		// 1. Aggregating three NALUs into a single payload
+		// 2. Fragmented packets divided by MTU=1400
+		// 3. Remaining fragment packets split by MTU
+		t.Fatal("Generated payload should be 3")
+	}
+}
+
 func uint8ptr(v uint8) *uint8 {
 	return &v
 }