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package codecs
import (
"reflect"
"testing"
)
func TestH264Payloader_Payload(t *testing.T) {
pck := H264Payloader{}
smallpayload := []byte{0x90, 0x90, 0x90}
multiplepayload := []byte{0x00, 0x00, 0x01, 0x90, 0x00, 0x00, 0x01, 0x90}
largepayload := []byte{0x00, 0x00, 0x01, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15}
largePayloadPacketized := [][]byte{
{0x1c, 0x80, 0x01, 0x02, 0x03},
{0x1c, 0x00, 0x04, 0x05, 0x06},
{0x1c, 0x00, 0x07, 0x08, 0x09},
{0x1c, 0x00, 0x10, 0x11, 0x12},
{0x1c, 0x40, 0x13, 0x14, 0x15},
}
// Positive MTU, nil payload
res := pck.Payload(1, nil)
if len(res) != 0 {
t.Fatal("Generated payload should be empty")
}
// Positive MTU, empty payload
res = pck.Payload(1, []byte{})
if len(res) != 0 {
t.Fatal("Generated payload should be empty")
}
// Positive MTU, empty NAL
res = pck.Payload(1, []byte{0x00, 0x00, 0x01})
if len(res) != 0 {
t.Fatal("Generated payload should be empty")
}
// Negative MTU, small payload
res = pck.Payload(0, smallpayload)
if len(res) != 0 {
t.Fatal("Generated payload should be empty")
}
// 0 MTU, small payload
res = pck.Payload(0, smallpayload)
if len(res) != 0 {
t.Fatal("Generated payload should be empty")
}
// Positive MTU, small payload
res = pck.Payload(1, smallpayload)
if len(res) != 0 {
t.Fatal("Generated payload should be empty")
}
// Positive MTU, small payload
res = pck.Payload(5, smallpayload)
if len(res) != 1 {
t.Fatal("Generated payload shouldn't be empty")
}
if len(res[0]) != len(smallpayload) {
t.Fatal("Generated payload should be the same size as original payload size")
}
// Multiple NALU in a single payload
res = pck.Payload(5, multiplepayload)
if len(res) != 2 {
t.Fatal("2 nal units should be broken out")
}
for i := 0; i < 2; i++ {
if len(res[i]) != 1 {
t.Fatalf("Payload %d of 2 is packed incorrectly", i+1)
}
}
// Large Payload split across multiple RTP Packets
res = pck.Payload(5, largepayload)
if !reflect.DeepEqual(res, largePayloadPacketized) {
t.Fatal("FU-A packetization failed")
}
// Nalu type 9 or 12
res = pck.Payload(5, []byte{0x09, 0x00, 0x00})
if len(res) != 0 {
t.Fatal("Generated payload should be empty")
}
}
func TestH264Packet_Unmarshal(t *testing.T) {
singlePayload := []byte{0x90, 0x90, 0x90}
singlePayloadUnmarshaled := []byte{0x00, 0x00, 0x00, 0x01, 0x90, 0x90, 0x90}
singlePayloadUnmarshaledAVC := []byte{0x00, 0x00, 0x00, 0x03, 0x90, 0x90, 0x90}
largepayload := []byte{0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15}
largepayloadAVC := []byte{0x00, 0x00, 0x00, 0x10, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15}
largePayloadPacketized := [][]byte{
{0x1c, 0x80, 0x01, 0x02, 0x03},
{0x1c, 0x00, 0x04, 0x05, 0x06},
{0x1c, 0x00, 0x07, 0x08, 0x09},
{0x1c, 0x00, 0x10, 0x11, 0x12},
{0x1c, 0x40, 0x13, 0x14, 0x15},
}
singlePayloadMultiNALU := []byte{0x78, 0x00, 0x0f, 0x67, 0x42, 0xc0, 0x1f, 0x1a, 0x32, 0x35, 0x01, 0x40, 0x7a, 0x40, 0x3c, 0x22, 0x11, 0xa8, 0x00, 0x05, 0x68, 0x1a, 0x34, 0xe3, 0xc8}
singlePayloadMultiNALUUnmarshaled := []byte{0x00, 0x00, 0x00, 0x01, 0x67, 0x42, 0xc0, 0x1f, 0x1a, 0x32, 0x35, 0x01, 0x40, 0x7a, 0x40, 0x3c, 0x22, 0x11, 0xa8, 0x00, 0x00, 0x00, 0x01, 0x68, 0x1a, 0x34, 0xe3, 0xc8}
singlePayloadMultiNALUUnmarshaledAVC := []byte{0x00, 0x00, 0x00, 0x0f, 0x67, 0x42, 0xc0, 0x1f, 0x1a, 0x32, 0x35, 0x01, 0x40, 0x7a, 0x40, 0x3c, 0x22, 0x11, 0xa8, 0x00, 0x00, 0x00, 0x05, 0x68, 0x1a, 0x34, 0xe3, 0xc8}
incompleteSinglePayloadMultiNALU := []byte{0x78, 0x00, 0x0f, 0x67, 0x42, 0xc0, 0x1f, 0x1a, 0x32, 0x35, 0x01, 0x40, 0x7a, 0x40, 0x3c, 0x22, 0x11}
pkt := H264Packet{}
avcPkt := H264Packet{IsAVC: true}
if _, err := pkt.Unmarshal(nil); err == nil {
t.Fatal("Unmarshal did not fail on nil payload")
}
if _, err := pkt.Unmarshal([]byte{0x00, 0x00}); err == nil {
t.Fatal("Unmarshal accepted a packet that is too small for a payload and header")
}
if _, err := pkt.Unmarshal([]byte{0xFF, 0x00, 0x00}); err == nil {
t.Fatal("Unmarshal accepted a packet with a NALU Type we don't handle")
}
if _, err := pkt.Unmarshal(incompleteSinglePayloadMultiNALU); err == nil {
t.Fatal("Unmarshal accepted a STAP-A packet with insufficient data")
}
res, err := pkt.Unmarshal(singlePayload)
if err != nil {
t.Fatal(err)
} else if !reflect.DeepEqual(res, singlePayloadUnmarshaled) {
t.Fatal("Unmarshaling a single payload shouldn't modify the payload")
}
res, err = avcPkt.Unmarshal(singlePayload)
if err != nil {
t.Fatal(err)
} else if !reflect.DeepEqual(res, singlePayloadUnmarshaledAVC) {
t.Fatal("Unmarshaling a single payload into avc stream shouldn't modify the payload")
}
largePayloadResult := []byte{}
for i := range largePayloadPacketized {
res, err = pkt.Unmarshal(largePayloadPacketized[i])
if err != nil {
t.Fatal(err)
}
largePayloadResult = append(largePayloadResult, res...)
}
if !reflect.DeepEqual(largePayloadResult, largepayload) {
t.Fatal("Failed to unmarshal a large payload")
}
largePayloadResultAVC := []byte{}
for i := range largePayloadPacketized {
res, err = avcPkt.Unmarshal(largePayloadPacketized[i])
if err != nil {
t.Fatal(err)
}
largePayloadResultAVC = append(largePayloadResultAVC, res...)
}
if !reflect.DeepEqual(largePayloadResultAVC, largepayloadAVC) {
t.Fatal("Failed to unmarshal a large payload into avc stream")
}
res, err = pkt.Unmarshal(singlePayloadMultiNALU)
if err != nil {
t.Fatal(err)
} else if !reflect.DeepEqual(res, singlePayloadMultiNALUUnmarshaled) {
t.Fatal("Failed to unmarshal a single packet with multiple NALUs")
}
res, err = avcPkt.Unmarshal(singlePayloadMultiNALU)
if err != nil {
t.Fatal(err)
} else if !reflect.DeepEqual(res, singlePayloadMultiNALUUnmarshaledAVC) {
t.Fatal("Failed to unmarshal a single packet with multiple NALUs into avc stream")
}
}
func TestH264IsPartitionHead(t *testing.T) {
h264 := H264Packet{}
if h264.IsPartitionHead(nil) {
t.Fatal("nil must not be a partition head")
}
emptyNalu := []byte{}
if h264.IsPartitionHead(emptyNalu) {
t.Fatal("empty nalu must not be a partition head")
}
singleNalu := []byte{1, 0}
if h264.IsPartitionHead(singleNalu) == false {
t.Fatal("single nalu must be a partition head")
}
stapaNalu := []byte{stapaNALUType, 0}
if h264.IsPartitionHead(stapaNalu) == false {
t.Fatal("stapa nalu must be a partition head")
}
fuaStartNalu := []byte{fuaNALUType, fuStartBitmask}
if h264.IsPartitionHead(fuaStartNalu) == false {
t.Fatal("fua start nalu must be a partition head")
}
fuaEndNalu := []byte{fuaNALUType, fuEndBitmask}
if h264.IsPartitionHead(fuaEndNalu) {
t.Fatal("fua end nalu must not be a partition head")
}
fubStartNalu := []byte{fubNALUType, fuStartBitmask}
if h264.IsPartitionHead(fubStartNalu) == false {
t.Fatal("fub start nalu must be a partition head")
}
fubEndNalu := []byte{fubNALUType, fuEndBitmask}
if h264.IsPartitionHead(fubEndNalu) {
t.Fatal("fub end nalu must not be a partition head")
}
}
func TestH264Payloader_Payload_SPS_and_PPS_handling(t *testing.T) {
pck := H264Payloader{}
expected := [][]byte{
{0x78, 0x00, 0x03, 0x07, 0x00, 0x01, 0x00, 0x03, 0x08, 0x02, 0x03},
{0x05, 0x04, 0x05},
}
// When packetizing SPS and PPS are emitted with following NALU
res := pck.Payload(1500, []byte{0x07, 0x00, 0x01})
if len(res) != 0 {
t.Fatal("Generated payload should be empty")
}
res = pck.Payload(1500, []byte{0x08, 0x02, 0x03})
if len(res) != 0 {
t.Fatal("Generated payload should be empty")
}
if !reflect.DeepEqual(pck.Payload(1500, []byte{0x05, 0x04, 0x05}), expected) {
t.Fatal("SPS and PPS aren't packed together")
}
}
|
