Merge branch 'xiaomi'
# Conflicts: # pkg/xiaomi/miss/client.go # pkg/xiaomi/miss/cs2/conn.go # pkg/xiaomi/producer.go
This commit is contained in:
Alex X
@@ -0,0 +1,68 @@
|
||||
package crypto
|
||||
|
||||
import (
|
||||
"crypto/rand"
|
||||
"encoding/hex"
|
||||
|
||||
"golang.org/x/crypto/chacha20"
|
||||
"golang.org/x/crypto/nacl/box"
|
||||
)
|
||||
|
||||
func GenerateKey() ([]byte, []byte, error) {
|
||||
public, private, err := box.GenerateKey(rand.Reader)
|
||||
if err != nil {
|
||||
return nil, nil, err
|
||||
}
|
||||
return public[:], private[:], err
|
||||
}
|
||||
|
||||
func CalcSharedKey(devicePublicB64, clientPrivateB64 string) ([]byte, error) {
|
||||
var sharedKey, publicKey, privateKey [32]byte
|
||||
if _, err := hex.Decode(publicKey[:], []byte(devicePublicB64)); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
if _, err := hex.Decode(privateKey[:], []byte(clientPrivateB64)); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
box.Precompute(&sharedKey, &publicKey, &privateKey)
|
||||
return sharedKey[:], nil
|
||||
}
|
||||
|
||||
func Encode(src, key32 []byte) ([]byte, error) {
|
||||
dst := make([]byte, len(src)+8)
|
||||
|
||||
if _, err := rand.Read(dst[:8]); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
nonce12 := make([]byte, 12)
|
||||
copy(nonce12[4:], dst[:8])
|
||||
|
||||
c, err := chacha20.NewUnauthenticatedCipher(key32, nonce12)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
c.XORKeyStream(dst[8:], src)
|
||||
|
||||
return dst, nil
|
||||
}
|
||||
|
||||
func Decode(src, key32 []byte) ([]byte, error) {
|
||||
return DecodeNonce(src[8:], src[:8], key32)
|
||||
}
|
||||
|
||||
func DecodeNonce(src, nonce8, key32 []byte) ([]byte, error) {
|
||||
nonce12 := make([]byte, 12)
|
||||
copy(nonce12[4:], nonce8)
|
||||
|
||||
c, err := chacha20.NewUnauthenticatedCipher(key32, nonce12)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
dst := make([]byte, len(src))
|
||||
c.XORKeyStream(dst, src)
|
||||
|
||||
return dst, nil
|
||||
}
|
||||
@@ -0,0 +1,227 @@
|
||||
package legacy
|
||||
|
||||
import (
|
||||
"encoding/binary"
|
||||
"errors"
|
||||
"fmt"
|
||||
"net/url"
|
||||
|
||||
"github.com/AlexxIT/go2rtc/pkg/tutk"
|
||||
"github.com/AlexxIT/go2rtc/pkg/xiaomi/crypto"
|
||||
)
|
||||
|
||||
func NewClient(rawURL string) (*Client, error) {
|
||||
u, err := url.Parse(rawURL)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
query := u.Query()
|
||||
model := query.Get("model")
|
||||
|
||||
var username, password string
|
||||
var key []byte
|
||||
|
||||
if query.Has("sign") {
|
||||
// Legacy with encryption
|
||||
key, err = crypto.CalcSharedKey(query.Get("device_public"), query.Get("client_private"))
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
username = fmt.Sprintf(
|
||||
`{"public_key":"%s","sign":"%s","account":"admin"}`,
|
||||
query.Get("client_public"), query.Get("sign"),
|
||||
)
|
||||
} else if model == ModelXiaobai {
|
||||
username = "admin"
|
||||
password = query.Get("password")
|
||||
} else if model == ModelXiaofang {
|
||||
username = "admin"
|
||||
} else {
|
||||
return nil, fmt.Errorf("xiaomi: unsupported model: %s", model)
|
||||
}
|
||||
|
||||
conn, err := tutk.Dial(u.Host, query.Get("uid"), username, password)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
if model == ModelXiaofang {
|
||||
err = xiaofangLogin(conn, query.Get("password"))
|
||||
if err != nil {
|
||||
_ = conn.Close()
|
||||
return nil, err
|
||||
}
|
||||
}
|
||||
|
||||
c := &Client{
|
||||
Conn: conn,
|
||||
key: key,
|
||||
model: model,
|
||||
}
|
||||
|
||||
return c, nil
|
||||
}
|
||||
|
||||
func xiaofangLogin(conn *tutk.Conn, password string) error {
|
||||
data := tutk.ICAM(0x0400be) // ask login
|
||||
if err := conn.WriteCommand(0x0100, data); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
_, data, err := conn.ReadCommand() // login request
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
enc := data[24:] // data[23] == 3
|
||||
tutk.XXTEADecrypt(enc, enc, []byte(password))
|
||||
|
||||
enc = append(enc, 0, 0, 0, 0, 1, 1, 1)
|
||||
data = tutk.ICAM(0x0400c0, enc...) // login response
|
||||
if err = conn.WriteCommand(0x0100, data); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
_, data, err = conn.ReadCommand()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
type Client struct {
|
||||
*tutk.Conn
|
||||
key []byte
|
||||
model string
|
||||
}
|
||||
|
||||
func (c *Client) Version() string {
|
||||
return fmt.Sprintf("%s (%s)", c.Conn.Version(), c.model)
|
||||
}
|
||||
|
||||
func (c *Client) ReadPacket() (hdr, payload []byte, err error) {
|
||||
hdr, payload, err = c.Conn.ReadPacket()
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
if c.key != nil {
|
||||
switch hdr[0] {
|
||||
case tutk.CodecH264, tutk.CodecH265:
|
||||
payload, err = DecodeVideo(payload, c.key)
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
case tutk.CodecAAC:
|
||||
payload, err = crypto.Decode(payload, c.key)
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
}
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
func (c *Client) StartMedia(video, audio string) error {
|
||||
switch c.model {
|
||||
case ModelAqaraG2:
|
||||
return c.WriteCommand(0x01ff, []byte(`{}`))
|
||||
|
||||
case ModelXiaobai:
|
||||
// 00030000 7b7d audio on
|
||||
// 01030000 7b7d audio off
|
||||
if err := c.WriteCommand(0x0300, []byte(`{}`)); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
var b byte
|
||||
switch video {
|
||||
case "", "fhd":
|
||||
b = 1
|
||||
case "hd":
|
||||
b = 2
|
||||
case "sd":
|
||||
b = 4
|
||||
case "auto":
|
||||
b = 0xff
|
||||
}
|
||||
// 20030000 0000000001000000 fhd (1920x1080)
|
||||
// 20030000 0000000002000000 hd (1280x720)
|
||||
// 20030000 0000000004000000 low (640x360)
|
||||
// 20030000 00000000ff000000 auto (1920x1080)
|
||||
if err := c.WriteCommand(0x0320, []byte{0, 0, 0, 0, b, 0, 0, 0}); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
// ff010000 7b7d video tart
|
||||
// ff020000 7b7d video stop
|
||||
return c.WriteCommand(0x01ff, []byte(`{}`))
|
||||
|
||||
case ModelXiaofang:
|
||||
// 00010000 4943414d 95010400000000000000000600000000000000d20400005a07 - 90k bitrate
|
||||
// 00010000 4943414d 95010400000000000000000600000000000000d20400001e07 - 30k bitrate
|
||||
//var b byte
|
||||
//switch video {
|
||||
//case "", "hd":
|
||||
// b = 0x5a // bitrate 90k
|
||||
//case "sd":
|
||||
// b = 0x1e // bitrate 30k
|
||||
//}
|
||||
//data := tutk.ICAM(0x040195, 0xd2, 4, 0, 0, b, 7)
|
||||
//if err := c.WriteCommand(0x100, data); err != nil {
|
||||
// return err
|
||||
//}
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (c *Client) StopMedia() error {
|
||||
return errors.Join(
|
||||
c.WriteCommand(0x02ff, []byte(`{}`)),
|
||||
c.WriteCommand(0x02ff, make([]byte, 8)),
|
||||
)
|
||||
}
|
||||
|
||||
func DecodeVideo(data, key []byte) ([]byte, error) {
|
||||
if string(data[:4]) == "\x00\x00\x00\x01" || data[8] == 0 {
|
||||
return data, nil
|
||||
}
|
||||
|
||||
if data[8] != 1 {
|
||||
// Support could be added, but I haven't seen such cameras.
|
||||
return nil, fmt.Errorf("xiaomi: unsupported encryption")
|
||||
}
|
||||
|
||||
nonce8 := data[:8]
|
||||
i1 := binary.LittleEndian.Uint16(data[9:])
|
||||
i2 := binary.LittleEndian.Uint16(data[13:])
|
||||
data = data[17:]
|
||||
src := data[i1 : i1+i2]
|
||||
|
||||
for i := 32; i+16 < len(src); i += 160 {
|
||||
dst, err := crypto.DecodeNonce(src[i:i+16], nonce8, key)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
copy(src[i:], dst) // copy result in same place
|
||||
}
|
||||
|
||||
return data, nil
|
||||
}
|
||||
|
||||
const (
|
||||
ModelAqaraG2 = "lumi.camera.gwagl01"
|
||||
ModelLoockV1 = "loock.cateye.v01"
|
||||
ModelXiaobai = "chuangmi.camera.xiaobai"
|
||||
ModelXiaofang = "isa.camera.isc5"
|
||||
)
|
||||
|
||||
func Supported(model string) bool {
|
||||
switch model {
|
||||
case ModelAqaraG2, ModelLoockV1, ModelXiaobai, ModelXiaofang:
|
||||
return true
|
||||
}
|
||||
return false
|
||||
}
|
||||
@@ -0,0 +1,217 @@
|
||||
package legacy
|
||||
|
||||
import (
|
||||
"net/url"
|
||||
"time"
|
||||
|
||||
"github.com/AlexxIT/go2rtc/pkg/aac"
|
||||
"github.com/AlexxIT/go2rtc/pkg/core"
|
||||
"github.com/AlexxIT/go2rtc/pkg/h264"
|
||||
"github.com/AlexxIT/go2rtc/pkg/h264/annexb"
|
||||
"github.com/AlexxIT/go2rtc/pkg/h265"
|
||||
"github.com/AlexxIT/go2rtc/pkg/tutk"
|
||||
"github.com/pion/rtp"
|
||||
)
|
||||
|
||||
func Dial(rawURL string) (*Producer, error) {
|
||||
client, err := NewClient(rawURL)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
u, _ := url.Parse(rawURL)
|
||||
query := u.Query()
|
||||
|
||||
err = client.StartMedia(query.Get("subtype"), "")
|
||||
if err != nil {
|
||||
_ = client.Close()
|
||||
return nil, err
|
||||
}
|
||||
|
||||
medias, err := probe(client)
|
||||
if err != nil {
|
||||
_ = client.Close()
|
||||
return nil, err
|
||||
}
|
||||
|
||||
c := &Producer{
|
||||
Connection: core.Connection{
|
||||
ID: core.NewID(),
|
||||
FormatName: "xiaomi/legacy",
|
||||
Protocol: "tutk+udp",
|
||||
RemoteAddr: client.RemoteAddr().String(),
|
||||
UserAgent: client.Version(),
|
||||
Medias: medias,
|
||||
Transport: client,
|
||||
},
|
||||
client: client,
|
||||
}
|
||||
return c, nil
|
||||
}
|
||||
|
||||
type Producer struct {
|
||||
core.Connection
|
||||
client *Client
|
||||
}
|
||||
|
||||
const codecXiaobaiPCMA = 1 // chuangmi.camera.xiaobai
|
||||
|
||||
func probe(client *Client) ([]*core.Media, error) {
|
||||
_ = client.SetDeadline(time.Now().Add(15 * time.Second))
|
||||
|
||||
var vcodec, acodec *core.Codec
|
||||
|
||||
for {
|
||||
// 0 5000
|
||||
// 2 0000 codec params
|
||||
// 4 01 active clients
|
||||
// 5 34 unknown const
|
||||
// 6 0600 unknown seq(s)
|
||||
// 8 80026801 unknown fixed
|
||||
// 12 ed8d5c69 time in sec
|
||||
// 16 4c03 time in 1/1000
|
||||
// 18 0000
|
||||
hdr, payload, err := client.ReadPacket()
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
switch codec := hdr[0]; codec {
|
||||
case tutk.CodecH264, tutk.CodecH265:
|
||||
if vcodec == nil {
|
||||
avcc := annexb.EncodeToAVCC(payload)
|
||||
if codec == tutk.CodecH264 {
|
||||
if h264.NALUType(avcc) == h264.NALUTypeSPS {
|
||||
vcodec = h264.AVCCToCodec(avcc)
|
||||
vcodec.FmtpLine = ""
|
||||
}
|
||||
} else {
|
||||
if h265.NALUType(avcc) == h265.NALUTypeVPS {
|
||||
vcodec = h265.AVCCToCodec(avcc)
|
||||
}
|
||||
}
|
||||
}
|
||||
case tutk.CodecPCMA, codecXiaobaiPCMA:
|
||||
if acodec == nil {
|
||||
acodec = &core.Codec{Name: core.CodecPCMA, ClockRate: 8000}
|
||||
}
|
||||
case tutk.CodecPCML:
|
||||
if acodec == nil {
|
||||
acodec = &core.Codec{Name: core.CodecPCML, ClockRate: 8000}
|
||||
}
|
||||
case tutk.CodecAAC:
|
||||
if acodec == nil {
|
||||
acodec = aac.ADTSToCodec(payload)
|
||||
if acodec != nil {
|
||||
acodec.PayloadType = core.PayloadTypeRAW
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if vcodec != nil && acodec != nil {
|
||||
break
|
||||
}
|
||||
}
|
||||
|
||||
medias := []*core.Media{
|
||||
{
|
||||
Kind: core.KindVideo,
|
||||
Direction: core.DirectionRecvonly,
|
||||
Codecs: []*core.Codec{vcodec},
|
||||
},
|
||||
{
|
||||
Kind: core.KindAudio,
|
||||
Direction: core.DirectionRecvonly,
|
||||
Codecs: []*core.Codec{acodec},
|
||||
},
|
||||
}
|
||||
return medias, nil
|
||||
}
|
||||
|
||||
func (c *Producer) Protocol() string {
|
||||
return "tutk+udp"
|
||||
}
|
||||
|
||||
func (c *Producer) Start() error {
|
||||
var audioTS uint32
|
||||
var videoSeq, audioSeq uint16
|
||||
|
||||
for {
|
||||
_ = c.client.SetDeadline(time.Now().Add(5 * time.Second))
|
||||
hdr, payload, err := c.client.ReadPacket()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
n := len(payload)
|
||||
c.Recv += n
|
||||
|
||||
// TODO: rewrite this
|
||||
var name string
|
||||
var pkt *core.Packet
|
||||
|
||||
switch codec := hdr[0]; codec {
|
||||
case tutk.CodecH264, tutk.CodecH265:
|
||||
pkt = &core.Packet{
|
||||
Header: rtp.Header{
|
||||
SequenceNumber: videoSeq,
|
||||
Timestamp: core.Now90000(),
|
||||
},
|
||||
Payload: annexb.EncodeToAVCC(payload),
|
||||
}
|
||||
videoSeq++
|
||||
|
||||
if codec == tutk.CodecH264 {
|
||||
name = core.CodecH264
|
||||
} else {
|
||||
name = core.CodecH265
|
||||
}
|
||||
|
||||
case tutk.CodecPCMA, tutk.CodecPCML, codecXiaobaiPCMA:
|
||||
pkt = &core.Packet{
|
||||
Header: rtp.Header{
|
||||
Version: 2,
|
||||
Marker: true,
|
||||
SequenceNumber: audioSeq,
|
||||
Timestamp: audioTS,
|
||||
},
|
||||
Payload: payload,
|
||||
}
|
||||
audioSeq++
|
||||
|
||||
switch codec {
|
||||
case tutk.CodecPCMA, codecXiaobaiPCMA:
|
||||
name = core.CodecPCMA
|
||||
audioTS += uint32(n)
|
||||
case tutk.CodecPCML:
|
||||
name = core.CodecPCML
|
||||
audioTS += uint32(n / 2) // because 16bit
|
||||
}
|
||||
|
||||
case tutk.CodecAAC:
|
||||
pkt = &core.Packet{
|
||||
Header: rtp.Header{
|
||||
SequenceNumber: audioSeq,
|
||||
Timestamp: audioTS,
|
||||
},
|
||||
Payload: payload,
|
||||
}
|
||||
audioSeq++
|
||||
|
||||
name = core.CodecAAC
|
||||
audioTS += 1024
|
||||
}
|
||||
|
||||
for _, recv := range c.Receivers {
|
||||
if recv.Codec.Name == name {
|
||||
recv.WriteRTP(pkt)
|
||||
break
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (c *Producer) Stop() error {
|
||||
_ = c.client.StopMedia()
|
||||
return c.Connection.Stop()
|
||||
}
|
||||
@@ -1,4 +1,4 @@
|
||||
package xiaomi
|
||||
package miss
|
||||
|
||||
import (
|
||||
"time"
|
||||
@@ -6,12 +6,11 @@ import (
|
||||
"github.com/AlexxIT/go2rtc/pkg/core"
|
||||
"github.com/AlexxIT/go2rtc/pkg/opus"
|
||||
"github.com/AlexxIT/go2rtc/pkg/pcm"
|
||||
"github.com/AlexxIT/go2rtc/pkg/xiaomi/miss"
|
||||
"github.com/pion/rtp"
|
||||
)
|
||||
|
||||
func (p *Producer) AddTrack(media *core.Media, _ *core.Codec, track *core.Receiver) error {
|
||||
if err := p.client.SpeakerStart(); err != nil {
|
||||
if err := p.client.StartSpeaker(); err != nil {
|
||||
return err
|
||||
}
|
||||
// TODO: check this!!!
|
||||
@@ -23,7 +22,7 @@ func (p *Producer) AddTrack(media *core.Media, _ *core.Codec, track *core.Receiv
|
||||
case core.CodecPCMA:
|
||||
var buf []byte
|
||||
|
||||
if p.model == "isa.camera.hlc6" {
|
||||
if p.client.SpeakerCodec() == codecPCM {
|
||||
dst := &core.Codec{Name: core.CodecPCML, ClockRate: 8000}
|
||||
transcode := pcm.Transcode(dst, track.Codec)
|
||||
|
||||
@@ -31,7 +30,8 @@ func (p *Producer) AddTrack(media *core.Media, _ *core.Codec, track *core.Receiv
|
||||
buf = append(buf, transcode(pkt.Payload)...)
|
||||
const size = 2 * 8000 * 0.040 // 16bit 40ms
|
||||
for len(buf) >= size {
|
||||
_ = p.client.WriteAudio(miss.CodecPCM, buf[:size])
|
||||
p.Send += size
|
||||
_ = p.client.WriteAudio(codecPCM, buf[:size])
|
||||
buf = buf[size:]
|
||||
}
|
||||
}
|
||||
@@ -40,13 +40,14 @@ func (p *Producer) AddTrack(media *core.Media, _ *core.Codec, track *core.Receiv
|
||||
buf = append(buf, pkt.Payload...)
|
||||
const size = 8000 * 0.040 // 8bit 40 ms
|
||||
for len(buf) >= size {
|
||||
_ = p.client.WriteAudio(miss.CodecPCMA, buf[:size])
|
||||
p.Send += size
|
||||
_ = p.client.WriteAudio(codecPCMA, buf[:size])
|
||||
buf = buf[size:]
|
||||
}
|
||||
}
|
||||
}
|
||||
case core.CodecOpus:
|
||||
if p.model == "chuangmi.camera.72ac1" {
|
||||
if p.client.SpeakerCodec() == codecOPUS {
|
||||
var buf []byte
|
||||
sender.Handler = func(pkt *rtp.Packet) {
|
||||
if buf == nil {
|
||||
@@ -54,13 +55,15 @@ func (p *Producer) AddTrack(media *core.Media, _ *core.Codec, track *core.Receiv
|
||||
} else {
|
||||
// convert two 20ms to one 40ms
|
||||
buf = opus.JoinFrames(buf, pkt.Payload)
|
||||
_ = p.client.WriteAudio(miss.CodecOPUS, buf)
|
||||
p.Send += len(buf)
|
||||
_ = p.client.WriteAudio(codecOPUS, buf)
|
||||
buf = nil
|
||||
}
|
||||
}
|
||||
} else {
|
||||
sender.Handler = func(pkt *rtp.Packet) {
|
||||
_ = p.client.WriteAudio(miss.CodecOPUS, pkt.Payload)
|
||||
p.Send += len(pkt.Payload)
|
||||
_ = p.client.WriteAudio(codecOPUS, pkt.Payload)
|
||||
}
|
||||
}
|
||||
}
|
||||
+193
-175
@@ -2,96 +2,83 @@ package miss
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"crypto/rand"
|
||||
"encoding/binary"
|
||||
"encoding/hex"
|
||||
"errors"
|
||||
"fmt"
|
||||
"net"
|
||||
"net/url"
|
||||
"time"
|
||||
|
||||
"github.com/AlexxIT/go2rtc/pkg/xiaomi/cs2"
|
||||
"github.com/AlexxIT/go2rtc/pkg/xiaomi/tutk"
|
||||
"golang.org/x/crypto/chacha20"
|
||||
"golang.org/x/crypto/nacl/box"
|
||||
"github.com/AlexxIT/go2rtc/pkg/tutk"
|
||||
"github.com/AlexxIT/go2rtc/pkg/xiaomi/crypto"
|
||||
"github.com/AlexxIT/go2rtc/pkg/xiaomi/miss/cs2"
|
||||
)
|
||||
|
||||
func Dial(rawURL string) (*Client, error) {
|
||||
u, err := url.Parse(rawURL)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
query := u.Query()
|
||||
|
||||
c := &Client{}
|
||||
|
||||
c.key, err = calcSharedKey(query.Get("device_public"), query.Get("client_private"))
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
switch s := query.Get("vendor"); s {
|
||||
case "cs2":
|
||||
c.conn, err = cs2.Dial(u.Host, query.Get("transport"))
|
||||
case "tutk":
|
||||
c.conn, err = tutk.Dial(u.Host, query.Get("uid"))
|
||||
default:
|
||||
return nil, fmt.Errorf("miss: unsupported vendor %s", s)
|
||||
}
|
||||
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
err = c.login(query.Get("client_public"), query.Get("sign"))
|
||||
if err != nil {
|
||||
_ = c.conn.Close()
|
||||
return nil, err
|
||||
}
|
||||
|
||||
return c, nil
|
||||
}
|
||||
|
||||
const (
|
||||
CodecH264 = 4
|
||||
CodecH265 = 5
|
||||
CodecPCM = 1024
|
||||
CodecPCMU = 1026
|
||||
CodecPCMA = 1027
|
||||
CodecOPUS = 1032
|
||||
codecH264 = 4
|
||||
codecH265 = 5
|
||||
codecPCM = 1024
|
||||
codecPCMU = 1026
|
||||
codecPCMA = 1027
|
||||
codecOPUS = 1032
|
||||
)
|
||||
|
||||
type Conn interface {
|
||||
Protocol() string
|
||||
ReadCommand() (cmd uint16, data []byte, err error)
|
||||
WriteCommand(cmd uint16, data []byte) error
|
||||
ReadPacket() ([]byte, error)
|
||||
WritePacket(data []byte) error
|
||||
Version() string
|
||||
ReadCommand() (cmd uint32, data []byte, err error)
|
||||
WriteCommand(cmd uint32, data []byte) error
|
||||
ReadPacket() (hdr, payload []byte, err error)
|
||||
WritePacket(hdr, payload []byte) error
|
||||
RemoteAddr() net.Addr
|
||||
SetDeadline(t time.Time) error
|
||||
Close() error
|
||||
}
|
||||
|
||||
func NewClient(rawURL string) (*Client, error) {
|
||||
u, err := url.Parse(rawURL)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
// 1. Check if we can create shared key.
|
||||
query := u.Query()
|
||||
key, err := crypto.CalcSharedKey(query.Get("device_public"), query.Get("client_private"))
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
model := query.Get("model")
|
||||
|
||||
// 2. Check if this vendor supported.
|
||||
var conn Conn
|
||||
switch s := query.Get("vendor"); s {
|
||||
case "cs2":
|
||||
conn, err = cs2.Dial(u.Host, query.Get("transport"))
|
||||
case "tutk":
|
||||
conn, err = tutk.Dial(u.Host, query.Get("uid"), "Miss", "client")
|
||||
default:
|
||||
err = fmt.Errorf("miss: unsupported vendor %s", s)
|
||||
}
|
||||
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
err = login(conn, query.Get("client_public"), query.Get("sign"))
|
||||
if err != nil {
|
||||
_ = conn.Close()
|
||||
return nil, err
|
||||
}
|
||||
|
||||
return &Client{Conn: conn, key: key, model: model}, nil
|
||||
}
|
||||
|
||||
type Client struct {
|
||||
conn Conn
|
||||
key []byte
|
||||
}
|
||||
|
||||
func (c *Client) Protocol() string {
|
||||
return c.conn.Protocol()
|
||||
}
|
||||
|
||||
func (c *Client) RemoteAddr() net.Addr {
|
||||
return c.conn.RemoteAddr()
|
||||
}
|
||||
|
||||
func (c *Client) SetDeadline(t time.Time) error {
|
||||
return c.conn.SetDeadline(t)
|
||||
}
|
||||
|
||||
func (c *Client) Close() error {
|
||||
return c.conn.Close()
|
||||
Conn
|
||||
key []byte
|
||||
model string
|
||||
}
|
||||
|
||||
const (
|
||||
@@ -117,13 +104,13 @@ const (
|
||||
cmdEncoded = 0x1001
|
||||
)
|
||||
|
||||
func (c *Client) login(clientPublic, sign string) error {
|
||||
func login(conn Conn, clientPublic, sign string) error {
|
||||
s := fmt.Sprintf(`{"public_key":"%s","sign":"%s","uuid":"","support_encrypt":0}`, clientPublic, sign)
|
||||
if err := c.conn.WriteCommand(cmdAuthReq, []byte(s)); err != nil {
|
||||
if err := conn.WriteCommand(cmdAuthReq, []byte(s)); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
_, data, err := c.conn.ReadCommand()
|
||||
_, data, err := conn.ReadCommand()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
@@ -135,129 +122,148 @@ func (c *Client) login(clientPublic, sign string) error {
|
||||
return nil
|
||||
}
|
||||
|
||||
func (c *Client) Version() string {
|
||||
return fmt.Sprintf("%s (%s)", c.Conn.Version(), c.model)
|
||||
}
|
||||
|
||||
func (c *Client) WriteCommand(data []byte) error {
|
||||
data, err := encode(c.key, data)
|
||||
data, err := crypto.Encode(data, c.key)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
return c.conn.WriteCommand(cmdEncoded, data)
|
||||
return c.Conn.WriteCommand(cmdEncoded, data)
|
||||
}
|
||||
|
||||
func (c *Client) VideoStart(channel, quality, audio uint8) error {
|
||||
const (
|
||||
ModelDafang = "isa.camera.df3"
|
||||
ModelLoockV2 = "loock.cateye.v02"
|
||||
ModelC200 = "chuangmi.camera.046c04"
|
||||
ModelC300 = "chuangmi.camera.72ac1"
|
||||
)
|
||||
|
||||
func (c *Client) StartMedia(channel, quality, audio string) error {
|
||||
switch c.model {
|
||||
case ModelDafang:
|
||||
var q, a byte
|
||||
if quality == "sd" {
|
||||
q = 1 // 0 - hd, 1 - sd, default - hd
|
||||
}
|
||||
if audio != "0" {
|
||||
a = 1 // 0 - off, 1 - on, default - on
|
||||
}
|
||||
|
||||
return errors.Join(
|
||||
c.WriteCommand(dafangVideoQuality(q)),
|
||||
c.WriteCommand(dafangVideoStart(1, a)),
|
||||
)
|
||||
}
|
||||
|
||||
// 0 - auto, 1 - sd, 2 - hd, default - hd
|
||||
switch quality {
|
||||
case "", "hd":
|
||||
// Some models have broken codec settings in quality 3.
|
||||
// Some models have low quality in quality 2.
|
||||
// Different models require different default quality settings.
|
||||
switch c.model {
|
||||
case ModelC200, ModelC300:
|
||||
quality = "3"
|
||||
default:
|
||||
quality = "2"
|
||||
}
|
||||
case "sd":
|
||||
quality = "1"
|
||||
case "auto":
|
||||
quality = "0"
|
||||
}
|
||||
|
||||
if audio == "" {
|
||||
audio = "1"
|
||||
}
|
||||
|
||||
data := binary.BigEndian.AppendUint32(nil, cmdVideoStart)
|
||||
if channel == 0 {
|
||||
data = fmt.Appendf(data, `{"videoquality":%d,"enableaudio":%d}`, quality, audio)
|
||||
if channel == "" {
|
||||
data = fmt.Appendf(data, `{"videoquality":%s,"enableaudio":%s}`, quality, audio)
|
||||
} else {
|
||||
data = fmt.Appendf(data, `{"videoquality":-1,"videoquality2":%d,"enableaudio":%d}`, quality, audio)
|
||||
data = fmt.Appendf(data, `{"videoquality":-1,"videoquality2":%s,"enableaudio":%s}`, quality, audio)
|
||||
}
|
||||
return c.WriteCommand(data)
|
||||
}
|
||||
|
||||
func (c *Client) AudioStart() error {
|
||||
func (c *Client) StopMedia() error {
|
||||
data := binary.BigEndian.AppendUint32(nil, cmdVideoStop)
|
||||
return c.WriteCommand(data)
|
||||
}
|
||||
|
||||
func (c *Client) StartAudio() error {
|
||||
data := binary.BigEndian.AppendUint32(nil, cmdAudioStart)
|
||||
return c.WriteCommand(data)
|
||||
}
|
||||
|
||||
func (c *Client) SpeakerStart() error {
|
||||
func (c *Client) StartSpeaker() error {
|
||||
data := binary.BigEndian.AppendUint32(nil, cmdSpeakerStartReq)
|
||||
return c.WriteCommand(data)
|
||||
}
|
||||
|
||||
// SpeakerCodec if the camera model has a non-standard two-way codec.
|
||||
func (c *Client) SpeakerCodec() uint32 {
|
||||
switch c.model {
|
||||
case ModelDafang, "isa.camera.hlc6":
|
||||
return codecPCM
|
||||
case "chuangmi.camera.72ac1":
|
||||
return codecOPUS
|
||||
}
|
||||
return 0
|
||||
}
|
||||
|
||||
const hdrSize = 32
|
||||
|
||||
func (c *Client) ReadPacket() (*Packet, error) {
|
||||
data, err := c.conn.ReadPacket()
|
||||
hdr, payload, err := c.Conn.ReadPacket()
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("miss: read media: %w", err)
|
||||
}
|
||||
return unmarshalPacket(c.key, data)
|
||||
}
|
||||
|
||||
func unmarshalPacket(key, b []byte) (*Packet, error) {
|
||||
n := uint32(len(b))
|
||||
|
||||
if n < 32 {
|
||||
if len(hdr) < hdrSize {
|
||||
return nil, fmt.Errorf("miss: packet header too small")
|
||||
}
|
||||
|
||||
if l := binary.LittleEndian.Uint32(b); l+32 != n {
|
||||
return nil, fmt.Errorf("miss: packet payload has wrong length")
|
||||
}
|
||||
|
||||
payload, err := decode(key, b[32:])
|
||||
payload, err = crypto.Decode(payload, c.key)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
return &Packet{
|
||||
CodecID: binary.LittleEndian.Uint32(b[4:]),
|
||||
Sequence: binary.LittleEndian.Uint32(b[8:]),
|
||||
Flags: binary.LittleEndian.Uint32(b[12:]),
|
||||
Timestamp: binary.LittleEndian.Uint64(b[16:]),
|
||||
Payload: payload,
|
||||
}, nil
|
||||
pkt := &Packet{
|
||||
CodecID: binary.LittleEndian.Uint32(hdr[4:]),
|
||||
Sequence: binary.LittleEndian.Uint32(hdr[8:]),
|
||||
Flags: binary.LittleEndian.Uint32(hdr[12:]),
|
||||
Payload: payload,
|
||||
}
|
||||
|
||||
switch c.model {
|
||||
case ModelDafang, ModelLoockV2:
|
||||
// Dafang has ts in sec
|
||||
// LoockV2 has ts in msec for video, but zero ts for audio
|
||||
pkt.Timestamp = uint64(time.Now().UnixMilli())
|
||||
default:
|
||||
pkt.Timestamp = binary.LittleEndian.Uint64(hdr[16:])
|
||||
}
|
||||
|
||||
return pkt, nil
|
||||
}
|
||||
|
||||
func (c *Client) WriteAudio(codecID uint32, payload []byte) error {
|
||||
payload, err := encode(c.key, payload) // new payload will have new size!
|
||||
payload, err := crypto.Encode(payload, c.key) // new payload will have new size!
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
const hdrSize = 32
|
||||
n := uint32(len(payload))
|
||||
|
||||
data := make([]byte, hdrSize+n)
|
||||
binary.LittleEndian.PutUint32(data, n)
|
||||
binary.LittleEndian.PutUint32(data[4:], codecID)
|
||||
binary.LittleEndian.PutUint64(data[16:], uint64(time.Now().UnixMilli())) // not really necessary
|
||||
copy(data[hdrSize:], payload)
|
||||
return c.conn.WritePacket(data)
|
||||
}
|
||||
|
||||
func calcSharedKey(devicePublic, clientPrivate string) ([]byte, error) {
|
||||
var sharedKey, publicKey, privateKey [32]byte
|
||||
if _, err := hex.Decode(publicKey[:], []byte(devicePublic)); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
if _, err := hex.Decode(privateKey[:], []byte(clientPrivate)); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
box.Precompute(&sharedKey, &publicKey, &privateKey)
|
||||
return sharedKey[:], nil
|
||||
}
|
||||
|
||||
func encode(key, src []byte) ([]byte, error) {
|
||||
dst := make([]byte, len(src)+8)
|
||||
|
||||
if _, err := rand.Read(dst[:8]); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
nonce := make([]byte, 12)
|
||||
copy(nonce[4:], dst[:8])
|
||||
|
||||
c, err := chacha20.NewUnauthenticatedCipher(key, nonce)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
c.XORKeyStream(dst[8:], src)
|
||||
|
||||
return dst, nil
|
||||
}
|
||||
|
||||
func decode(key, src []byte) ([]byte, error) {
|
||||
nonce := make([]byte, 12)
|
||||
copy(nonce[4:], src[:8])
|
||||
|
||||
c, err := chacha20.NewUnauthenticatedCipher(key, nonce)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
dst := make([]byte, len(src)-8)
|
||||
c.XORKeyStream(dst, src[8:])
|
||||
|
||||
return dst, nil
|
||||
header := make([]byte, hdrSize)
|
||||
binary.LittleEndian.PutUint32(header, n)
|
||||
binary.LittleEndian.PutUint32(header[4:], codecID)
|
||||
binary.LittleEndian.PutUint64(header[16:], uint64(time.Now().UnixMilli())) // not really necessary
|
||||
return c.Conn.WritePacket(header, payload)
|
||||
}
|
||||
|
||||
type Packet struct {
|
||||
@@ -271,28 +277,40 @@ type Packet struct {
|
||||
Payload []byte
|
||||
}
|
||||
|
||||
func (p *Packet) SampleRate() uint32 {
|
||||
// flag: 1 0011 000 - sample rate 16000
|
||||
// flag: 100 00 01 0000 000 - sample rate 8000
|
||||
v := (p.Flags >> 3) & 0b1111
|
||||
if v != 0 {
|
||||
return 16000
|
||||
}
|
||||
return 8000
|
||||
func dafangRaw(cmd uint32, args ...byte) []byte {
|
||||
payload := tutk.ICAM(cmd, args...)
|
||||
|
||||
data := make([]byte, 4+len(payload)*2)
|
||||
copy(data, "\x7f\xff\xff\xff")
|
||||
hex.Encode(data[4:], payload)
|
||||
return data
|
||||
}
|
||||
|
||||
//func (p *Packet) AudioUnknown1() byte {
|
||||
// return byte((p.Flags >> 7) & 0b11)
|
||||
// DafangVideoQuality 0 - hd, 1 - sd
|
||||
func dafangVideoQuality(quality uint8) []byte {
|
||||
return dafangRaw(0xff07d5, quality)
|
||||
}
|
||||
|
||||
func dafangVideoStart(video, audio uint8) []byte {
|
||||
return dafangRaw(0xff07d8, video, audio)
|
||||
}
|
||||
|
||||
//func dafangLeft() []byte {
|
||||
// return dafangRaw(0xff2404, 2, 0, 5)
|
||||
//}
|
||||
//
|
||||
//func (p *Packet) AudioUnknown2() byte {
|
||||
// return byte((p.Flags >> 9) & 0b11)
|
||||
//func dafangRight() []byte {
|
||||
// return dafangRaw(0xff2404, 1, 0, 5)
|
||||
//}
|
||||
//
|
||||
//func dafangUp() []byte {
|
||||
// return dafangRaw(0xff2404, 0, 2, 5)
|
||||
//}
|
||||
//
|
||||
//func dafangDown() []byte {
|
||||
// return dafangRaw(0xff2404, 0, 1, 5)
|
||||
//}
|
||||
//
|
||||
//func dafangStop() []byte {
|
||||
// return dafangRaw(0xff2404, 0, 0, 5)
|
||||
//}
|
||||
|
||||
func GenerateKey() ([]byte, []byte, error) {
|
||||
public, private, err := box.GenerateKey(rand.Reader)
|
||||
if err != nil {
|
||||
return nil, nil, err
|
||||
}
|
||||
return public[:], private[:], err
|
||||
}
|
||||
|
||||
@@ -180,6 +180,10 @@ func (c *Conn) Protocol() string {
|
||||
return "cs2+udp"
|
||||
}
|
||||
|
||||
func (c *Conn) Version() string {
|
||||
return "CS2"
|
||||
}
|
||||
|
||||
func (c *Conn) RemoteAddr() net.Addr {
|
||||
return c.conn.RemoteAddr()
|
||||
}
|
||||
@@ -199,21 +203,21 @@ func (c *Conn) Error() error {
|
||||
return io.EOF
|
||||
}
|
||||
|
||||
func (c *Conn) ReadCommand() (cmd uint16, data []byte, err error) {
|
||||
func (c *Conn) ReadCommand() (cmd uint32, data []byte, err error) {
|
||||
buf, ok := c.channels[0].Pop()
|
||||
if !ok {
|
||||
return 0, nil, c.Error()
|
||||
}
|
||||
cmd = binary.LittleEndian.Uint16(buf[:2])
|
||||
cmd = binary.LittleEndian.Uint32(buf)
|
||||
data = buf[4:]
|
||||
return
|
||||
}
|
||||
|
||||
func (c *Conn) WriteCommand(cmd uint16, data []byte) error {
|
||||
func (c *Conn) WriteCommand(cmd uint32, data []byte) error {
|
||||
c.cmdMu.Lock()
|
||||
defer c.cmdMu.Unlock()
|
||||
|
||||
req := marshalCmd(0, c.seqCh0, uint32(cmd), data)
|
||||
req := marshalCmd(0, c.seqCh0, cmd, data)
|
||||
c.seqCh0++
|
||||
|
||||
if c.isTCP {
|
||||
@@ -247,18 +251,20 @@ func (c *Conn) WriteCommand(cmd uint16, data []byte) error {
|
||||
}
|
||||
}
|
||||
|
||||
func (c *Conn) ReadPacket() ([]byte, error) {
|
||||
const hdrSize = 32
|
||||
|
||||
func (c *Conn) ReadPacket() (hdr, payload []byte, err error) {
|
||||
data, ok := c.channels[2].Pop()
|
||||
if !ok {
|
||||
return nil, c.Error()
|
||||
return nil, nil, c.Error()
|
||||
}
|
||||
return data, nil
|
||||
return data[:hdrSize], data[hdrSize:], nil
|
||||
}
|
||||
|
||||
func (c *Conn) WritePacket(data []byte) error {
|
||||
func (c *Conn) WritePacket(hdr, payload []byte) error {
|
||||
const offset = 12
|
||||
|
||||
n := uint32(len(data))
|
||||
n := hdrSize + uint32(len(payload))
|
||||
req := make([]byte, n+offset)
|
||||
req[0] = magic
|
||||
req[1] = msgDrw
|
||||
@@ -269,7 +275,8 @@ func (c *Conn) WritePacket(data []byte) error {
|
||||
binary.BigEndian.PutUint16(req[6:], c.seqCh3)
|
||||
c.seqCh3++
|
||||
binary.BigEndian.PutUint32(req[8:], n)
|
||||
copy(req[offset:], data)
|
||||
copy(req[offset:], hdr)
|
||||
copy(req[offset+hdrSize:], hdr)
|
||||
|
||||
_, err := c.conn.Write(req)
|
||||
return err
|
||||
@@ -0,0 +1,204 @@
|
||||
package miss
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"net/url"
|
||||
"time"
|
||||
|
||||
"github.com/AlexxIT/go2rtc/pkg/core"
|
||||
"github.com/AlexxIT/go2rtc/pkg/h264"
|
||||
"github.com/AlexxIT/go2rtc/pkg/h264/annexb"
|
||||
"github.com/AlexxIT/go2rtc/pkg/h265"
|
||||
"github.com/pion/rtp"
|
||||
)
|
||||
|
||||
type Producer struct {
|
||||
core.Connection
|
||||
client *Client
|
||||
}
|
||||
|
||||
func Dial(rawURL string) (core.Producer, error) {
|
||||
client, err := NewClient(rawURL)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
u, _ := url.Parse(rawURL)
|
||||
query := u.Query()
|
||||
|
||||
err = client.StartMedia(query.Get("channel"), query.Get("subtype"), query.Get("audio"))
|
||||
if err != nil {
|
||||
_ = client.Close()
|
||||
return nil, err
|
||||
}
|
||||
|
||||
medias, err := probe(client, query.Get("audio") != "0")
|
||||
if err != nil {
|
||||
_ = client.Close()
|
||||
return nil, err
|
||||
}
|
||||
|
||||
return &Producer{
|
||||
Connection: core.Connection{
|
||||
ID: core.NewID(),
|
||||
FormatName: "xiaomi/miss",
|
||||
Protocol: client.Protocol(),
|
||||
RemoteAddr: client.RemoteAddr().String(),
|
||||
UserAgent: client.Version(),
|
||||
Medias: medias,
|
||||
Transport: client,
|
||||
},
|
||||
client: client,
|
||||
}, nil
|
||||
}
|
||||
|
||||
func probe(client *Client, audio bool) ([]*core.Media, error) {
|
||||
_ = client.SetDeadline(time.Now().Add(15 * time.Second))
|
||||
|
||||
var vcodec, acodec *core.Codec
|
||||
|
||||
for {
|
||||
pkt, err := client.ReadPacket()
|
||||
if err != nil {
|
||||
if vcodec != nil {
|
||||
err = fmt.Errorf("no audio")
|
||||
} else if acodec != nil {
|
||||
err = fmt.Errorf("no video")
|
||||
}
|
||||
return nil, fmt.Errorf("xiaomi: probe: %w", err)
|
||||
}
|
||||
|
||||
switch pkt.CodecID {
|
||||
case codecH264:
|
||||
if vcodec == nil {
|
||||
buf := annexb.EncodeToAVCC(pkt.Payload)
|
||||
if h264.NALUType(buf) == h264.NALUTypeSPS {
|
||||
vcodec = h264.AVCCToCodec(buf)
|
||||
}
|
||||
}
|
||||
case codecH265:
|
||||
if vcodec == nil {
|
||||
buf := annexb.EncodeToAVCC(pkt.Payload)
|
||||
if h265.NALUType(buf) == h265.NALUTypeVPS {
|
||||
vcodec = h265.AVCCToCodec(buf)
|
||||
}
|
||||
}
|
||||
case codecPCMA:
|
||||
if acodec == nil {
|
||||
acodec = &core.Codec{Name: core.CodecPCMA, ClockRate: 8000}
|
||||
}
|
||||
case codecOPUS:
|
||||
if acodec == nil {
|
||||
acodec = &core.Codec{Name: core.CodecOpus, ClockRate: 48000, Channels: 2}
|
||||
}
|
||||
}
|
||||
|
||||
if vcodec != nil && (acodec != nil || !audio) {
|
||||
break
|
||||
}
|
||||
}
|
||||
|
||||
_ = client.SetDeadline(time.Time{})
|
||||
|
||||
medias := []*core.Media{
|
||||
{
|
||||
Kind: core.KindVideo,
|
||||
Direction: core.DirectionRecvonly,
|
||||
Codecs: []*core.Codec{vcodec},
|
||||
},
|
||||
}
|
||||
|
||||
if acodec != nil {
|
||||
medias = append(medias, &core.Media{
|
||||
Kind: core.KindAudio,
|
||||
Direction: core.DirectionRecvonly,
|
||||
Codecs: []*core.Codec{acodec},
|
||||
})
|
||||
|
||||
medias = append(medias, &core.Media{
|
||||
Kind: core.KindAudio,
|
||||
Direction: core.DirectionSendonly,
|
||||
Codecs: []*core.Codec{acodec.Clone()},
|
||||
})
|
||||
}
|
||||
|
||||
return medias, nil
|
||||
}
|
||||
|
||||
const timestamp40ms = 48000 * 0.040
|
||||
|
||||
func (p *Producer) Start() error {
|
||||
var audioTS uint32
|
||||
|
||||
for {
|
||||
_ = p.client.SetDeadline(time.Now().Add(10 * time.Second))
|
||||
pkt, err := p.client.ReadPacket()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
p.Recv += len(pkt.Payload)
|
||||
|
||||
// TODO: rewrite this
|
||||
var name string
|
||||
var pkt2 *core.Packet
|
||||
|
||||
switch pkt.CodecID {
|
||||
case codecH264, codecH265:
|
||||
pkt2 = &core.Packet{
|
||||
Header: rtp.Header{
|
||||
SequenceNumber: uint16(pkt.Sequence),
|
||||
Timestamp: TimeToRTP(pkt.Timestamp, 90000),
|
||||
},
|
||||
Payload: annexb.EncodeToAVCC(pkt.Payload),
|
||||
}
|
||||
if pkt.CodecID == codecH264 {
|
||||
name = core.CodecH264
|
||||
} else {
|
||||
name = core.CodecH265
|
||||
}
|
||||
case codecPCMA:
|
||||
name = core.CodecPCMA
|
||||
pkt2 = &core.Packet{
|
||||
Header: rtp.Header{
|
||||
Version: 2,
|
||||
Marker: true,
|
||||
SequenceNumber: uint16(pkt.Sequence),
|
||||
Timestamp: audioTS,
|
||||
},
|
||||
Payload: pkt.Payload,
|
||||
}
|
||||
audioTS += uint32(len(pkt.Payload))
|
||||
case codecOPUS:
|
||||
name = core.CodecOpus
|
||||
pkt2 = &core.Packet{
|
||||
Header: rtp.Header{
|
||||
Version: 2,
|
||||
Marker: true,
|
||||
SequenceNumber: uint16(pkt.Sequence),
|
||||
Timestamp: audioTS,
|
||||
},
|
||||
Payload: pkt.Payload,
|
||||
}
|
||||
// known cameras sends packets with 40ms long
|
||||
audioTS += timestamp40ms
|
||||
}
|
||||
|
||||
for _, recv := range p.Receivers {
|
||||
if recv.Codec.Name == name {
|
||||
recv.WriteRTP(pkt2)
|
||||
break
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (p *Producer) Stop() error {
|
||||
_ = p.client.StopMedia()
|
||||
return p.Connection.Stop()
|
||||
}
|
||||
|
||||
// TimeToRTP convert time in milliseconds to RTP time
|
||||
func TimeToRTP(timeMS, clockRate uint64) uint32 {
|
||||
return uint32(timeMS * clockRate / 1000)
|
||||
}
|
||||
+9
-216
@@ -1,230 +1,23 @@
|
||||
package xiaomi
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"net/url"
|
||||
"time"
|
||||
"strings"
|
||||
|
||||
"github.com/AlexxIT/go2rtc/pkg/core"
|
||||
"github.com/AlexxIT/go2rtc/pkg/h264"
|
||||
"github.com/AlexxIT/go2rtc/pkg/h264/annexb"
|
||||
"github.com/AlexxIT/go2rtc/pkg/h265"
|
||||
"github.com/AlexxIT/go2rtc/pkg/xiaomi/legacy"
|
||||
"github.com/AlexxIT/go2rtc/pkg/xiaomi/miss"
|
||||
"github.com/pion/rtp"
|
||||
)
|
||||
|
||||
type Producer struct {
|
||||
core.Connection
|
||||
client *miss.Client
|
||||
model string
|
||||
}
|
||||
|
||||
func Dial(rawURL string) (core.Producer, error) {
|
||||
client, err := miss.Dial(rawURL)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
// Format: xiaomi/miss
|
||||
if strings.Contains(rawURL, "vendor") {
|
||||
return miss.Dial(rawURL)
|
||||
}
|
||||
|
||||
u, _ := url.Parse(rawURL)
|
||||
query := u.Query()
|
||||
|
||||
// 0 - main, 1 - second
|
||||
channel := core.ParseByte(query.Get("channel"))
|
||||
|
||||
// 0 - auto, 1 - worst, 3 or 5 - best
|
||||
var quality byte
|
||||
switch s := query.Get("subtype"); s {
|
||||
case "", "hd":
|
||||
quality = 3
|
||||
case "sd":
|
||||
quality = 1
|
||||
case "auto":
|
||||
quality = 0
|
||||
default:
|
||||
quality = core.ParseByte(s)
|
||||
}
|
||||
|
||||
// 0 - disabled, 1 - enabled, 2 - enabled (another API)
|
||||
var audio byte
|
||||
switch s := query.Get("audio"); s {
|
||||
case "", "1":
|
||||
audio = 1
|
||||
default:
|
||||
audio = core.ParseByte(s)
|
||||
}
|
||||
|
||||
medias, err := probe(client, channel, quality, audio)
|
||||
if err != nil {
|
||||
_ = client.Close()
|
||||
return nil, err
|
||||
}
|
||||
|
||||
return &Producer{
|
||||
Connection: core.Connection{
|
||||
ID: core.NewID(),
|
||||
FormatName: "xiaomi",
|
||||
Protocol: client.Protocol(),
|
||||
RemoteAddr: client.RemoteAddr().String(),
|
||||
Source: rawURL,
|
||||
Medias: medias,
|
||||
Transport: client,
|
||||
},
|
||||
client: client,
|
||||
model: query.Get("model"),
|
||||
}, nil
|
||||
// Format: xiaomi/legacy
|
||||
return legacy.Dial(rawURL)
|
||||
}
|
||||
|
||||
func probe(client *miss.Client, channel, quality, audio uint8) ([]*core.Media, error) {
|
||||
_ = client.SetDeadline(time.Now().Add(core.ProbeTimeout))
|
||||
|
||||
if err := client.VideoStart(channel, quality, audio&1); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
if audio > 1 {
|
||||
_ = client.AudioStart()
|
||||
}
|
||||
|
||||
var vcodec, acodec *core.Codec
|
||||
|
||||
for {
|
||||
pkt, err := client.ReadPacket()
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("xiaomi: probe: %w", err)
|
||||
}
|
||||
|
||||
switch pkt.CodecID {
|
||||
case miss.CodecH264:
|
||||
if vcodec == nil {
|
||||
buf := annexb.EncodeToAVCC(pkt.Payload)
|
||||
if h264.NALUType(buf) == h264.NALUTypeSPS {
|
||||
vcodec = h264.AVCCToCodec(buf)
|
||||
}
|
||||
}
|
||||
case miss.CodecH265:
|
||||
if vcodec == nil {
|
||||
buf := annexb.EncodeToAVCC(pkt.Payload)
|
||||
if h265.NALUType(buf) == h265.NALUTypeVPS {
|
||||
vcodec = h265.AVCCToCodec(buf)
|
||||
}
|
||||
}
|
||||
case miss.CodecPCMA:
|
||||
if acodec == nil {
|
||||
acodec = &core.Codec{Name: core.CodecPCMA, ClockRate: pkt.SampleRate()}
|
||||
}
|
||||
case miss.CodecOPUS:
|
||||
if acodec == nil {
|
||||
acodec = &core.Codec{Name: core.CodecOpus, ClockRate: 48000, Channels: 2}
|
||||
}
|
||||
}
|
||||
|
||||
if vcodec != nil && (acodec != nil || audio == 0) {
|
||||
break
|
||||
}
|
||||
}
|
||||
|
||||
_ = client.SetDeadline(time.Time{})
|
||||
|
||||
medias := []*core.Media{
|
||||
{
|
||||
Kind: core.KindVideo,
|
||||
Direction: core.DirectionRecvonly,
|
||||
Codecs: []*core.Codec{vcodec},
|
||||
},
|
||||
}
|
||||
|
||||
if acodec != nil {
|
||||
medias = append(medias, &core.Media{
|
||||
Kind: core.KindAudio,
|
||||
Direction: core.DirectionRecvonly,
|
||||
Codecs: []*core.Codec{acodec},
|
||||
})
|
||||
|
||||
switch client.Protocol() {
|
||||
case "cs2+udp", "cs2+tcp":
|
||||
medias = append(medias, &core.Media{
|
||||
Kind: core.KindAudio,
|
||||
Direction: core.DirectionSendonly,
|
||||
Codecs: []*core.Codec{acodec.Clone()},
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
return medias, nil
|
||||
}
|
||||
|
||||
const timestamp40ms = 48000 * 0.040
|
||||
|
||||
func (p *Producer) Start() error {
|
||||
var audioTS uint32
|
||||
|
||||
for {
|
||||
_ = p.client.SetDeadline(time.Now().Add(core.ConnDeadline))
|
||||
pkt, err := p.client.ReadPacket()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
// TODO: rewrite this
|
||||
var name string
|
||||
var pkt2 *core.Packet
|
||||
|
||||
switch pkt.CodecID {
|
||||
case miss.CodecH264:
|
||||
name = core.CodecH264
|
||||
pkt2 = &core.Packet{
|
||||
Header: rtp.Header{
|
||||
SequenceNumber: uint16(pkt.Sequence),
|
||||
Timestamp: TimeToRTP(pkt.Timestamp, 90000),
|
||||
},
|
||||
Payload: annexb.EncodeToAVCC(pkt.Payload),
|
||||
}
|
||||
case miss.CodecH265:
|
||||
name = core.CodecH265
|
||||
pkt2 = &core.Packet{
|
||||
Header: rtp.Header{
|
||||
SequenceNumber: uint16(pkt.Sequence),
|
||||
Timestamp: TimeToRTP(pkt.Timestamp, 90000),
|
||||
},
|
||||
Payload: annexb.EncodeToAVCC(pkt.Payload),
|
||||
}
|
||||
case miss.CodecPCMA:
|
||||
name = core.CodecPCMA
|
||||
pkt2 = &core.Packet{
|
||||
Header: rtp.Header{
|
||||
Version: 2,
|
||||
Marker: true,
|
||||
SequenceNumber: uint16(pkt.Sequence),
|
||||
Timestamp: audioTS,
|
||||
},
|
||||
Payload: pkt.Payload,
|
||||
}
|
||||
audioTS += uint32(len(pkt.Payload))
|
||||
case miss.CodecOPUS:
|
||||
name = core.CodecOpus
|
||||
pkt2 = &core.Packet{
|
||||
Header: rtp.Header{
|
||||
Version: 2,
|
||||
Marker: true,
|
||||
SequenceNumber: uint16(pkt.Sequence),
|
||||
Timestamp: audioTS,
|
||||
},
|
||||
Payload: pkt.Payload,
|
||||
}
|
||||
// known cameras sends packets with 40ms long
|
||||
audioTS += timestamp40ms
|
||||
}
|
||||
|
||||
for _, recv := range p.Receivers {
|
||||
if recv.Codec.Name == name {
|
||||
recv.WriteRTP(pkt2)
|
||||
break
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// TimeToRTP convert time in milliseconds to RTP time
|
||||
func TimeToRTP(timeMS, clockRate uint64) uint32 {
|
||||
return uint32(timeMS * clockRate / 1000)
|
||||
func IsLegacy(model string) bool {
|
||||
return legacy.Supported(model)
|
||||
}
|
||||
|
||||
@@ -1,461 +0,0 @@
|
||||
package tutk
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"crypto/rand"
|
||||
"encoding/binary"
|
||||
"fmt"
|
||||
"io"
|
||||
"net"
|
||||
"sync"
|
||||
"sync/atomic"
|
||||
"time"
|
||||
)
|
||||
|
||||
func Dial(host, uid string) (*Conn, error) {
|
||||
conn, err := net.ListenUDP("udp", nil)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
c := &Conn{
|
||||
conn: conn,
|
||||
addr: &net.UDPAddr{IP: net.ParseIP(host), Port: 32761},
|
||||
sid: genSID(),
|
||||
}
|
||||
|
||||
if err = c.handshake([]byte(uid)); err != nil {
|
||||
_ = c.Close()
|
||||
return nil, err
|
||||
}
|
||||
|
||||
c.rawCmd = make(chan []byte, 10)
|
||||
c.rawPkt = make(chan []byte, 100)
|
||||
|
||||
go c.worker()
|
||||
|
||||
return c, nil
|
||||
}
|
||||
|
||||
type Conn struct {
|
||||
conn *net.UDPConn
|
||||
addr *net.UDPAddr
|
||||
sid []byte
|
||||
|
||||
err error
|
||||
seqCh0 uint16
|
||||
seqCmd uint16
|
||||
rawCmd chan []byte
|
||||
rawPkt chan []byte
|
||||
|
||||
cmdMu sync.Mutex
|
||||
cmdAck func()
|
||||
}
|
||||
|
||||
func (c *Conn) handshake(uid []byte) (err error) {
|
||||
_ = c.SetDeadline(time.Now().Add(5 * time.Second))
|
||||
|
||||
if _, err = c.WriteAndWait(
|
||||
c.msgLanSearch(uid, 1), // 01062100
|
||||
func(_, res []byte) bool {
|
||||
return bytes.Index(res, uid) == 16 // 02061200
|
||||
},
|
||||
); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
if err = c.Write(c.msgLanSearch(uid, 2)); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
if _, err = c.WriteAndWait(
|
||||
c.msgAvClientStartReq(), // 07042100 + 00000b00
|
||||
func(req, res []byte) bool {
|
||||
mid := req[48:52]
|
||||
return bytes.Index(res, mid) == 48 // 08041200 + 00140800
|
||||
},
|
||||
); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
_ = c.SetDeadline(time.Time{})
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (c *Conn) worker() {
|
||||
defer func() {
|
||||
close(c.rawCmd)
|
||||
close(c.rawPkt)
|
||||
}()
|
||||
|
||||
buf := make([]byte, 1200)
|
||||
var waitSeq uint16
|
||||
var waitSize uint32
|
||||
var waitData []byte
|
||||
|
||||
for {
|
||||
n, addr, err := c.conn.ReadFromUDP(buf)
|
||||
if err != nil {
|
||||
c.err = fmt.Errorf("%s: %w", "tutk", err)
|
||||
return
|
||||
}
|
||||
|
||||
if string(addr.IP) != string(c.addr.IP) || n < 16 {
|
||||
continue // skip messages from another IP
|
||||
}
|
||||
|
||||
b := ReverseTransCodePartial(buf[:n])
|
||||
//log.Printf("<- %x", b)
|
||||
|
||||
if b[0] != 0x04 || b[1] != 0x02 {
|
||||
continue
|
||||
}
|
||||
|
||||
if len(b) == 24 {
|
||||
_ = c.Write(msgAckPing(b))
|
||||
continue
|
||||
}
|
||||
|
||||
switch b[14] {
|
||||
case 0:
|
||||
switch string(b[28:30]) {
|
||||
case "\x00\x12":
|
||||
_ = c.Write(c.msgAckCh0Req0012(b))
|
||||
continue
|
||||
|
||||
case "\x00\x70":
|
||||
_ = c.Write(c.msgAckCh0Req0070(b))
|
||||
select {
|
||||
case c.rawCmd <- b[52:]:
|
||||
default:
|
||||
}
|
||||
continue
|
||||
|
||||
case "\x00\x71":
|
||||
if c.cmdAck != nil {
|
||||
c.cmdAck()
|
||||
}
|
||||
continue
|
||||
|
||||
case "\x01\x03":
|
||||
seq := binary.LittleEndian.Uint16(b[40:])
|
||||
if seq != waitSeq {
|
||||
waitSeq = 0 // data loss
|
||||
continue
|
||||
}
|
||||
if seq == 0 {
|
||||
waitSize = binary.LittleEndian.Uint32(b[36:]) + 32
|
||||
}
|
||||
|
||||
waitData = append(waitData, b[52:]...)
|
||||
if n := uint32(len(waitData)); n < waitSize {
|
||||
waitSeq++
|
||||
continue
|
||||
} else if n > waitSize {
|
||||
waitSeq = 0 // data loss
|
||||
continue
|
||||
}
|
||||
|
||||
// create a buffer for the header and collected data
|
||||
packetData := make([]byte, waitSize)
|
||||
// there's a header at the end - let's move it to the beginning
|
||||
copy(packetData, waitData[waitSize-32:])
|
||||
copy(packetData[32:], waitData)
|
||||
|
||||
select {
|
||||
case c.rawPkt <- packetData:
|
||||
default:
|
||||
c.err = fmt.Errorf("%s: media queue is full", "tutk")
|
||||
return
|
||||
}
|
||||
|
||||
waitSeq = 0
|
||||
waitData = waitData[:0]
|
||||
continue
|
||||
|
||||
case "\x01\x04":
|
||||
waitSize2 := binary.LittleEndian.Uint32(b[36:])
|
||||
waitData2 := b[52:]
|
||||
|
||||
if uint32(len(waitData2)) != waitSize2 {
|
||||
continue // shouldn't happened for audio
|
||||
}
|
||||
|
||||
packetData := make([]byte, waitSize2)
|
||||
copy(packetData, waitData2)
|
||||
|
||||
select {
|
||||
case c.rawPkt <- packetData:
|
||||
default:
|
||||
c.err = fmt.Errorf("%s: media queue is full", "tutk")
|
||||
return
|
||||
}
|
||||
continue
|
||||
}
|
||||
case 1:
|
||||
switch string(b[28:30]) {
|
||||
case "\x00\x00":
|
||||
_ = c.Write(msgAckCh1Req0000(b))
|
||||
continue
|
||||
case "\x00\x07":
|
||||
_ = c.Write(msgAckCh1Req0007(b))
|
||||
continue
|
||||
}
|
||||
case 5:
|
||||
if len(b) == 48 {
|
||||
_ = c.Write(msgAckCh5(b))
|
||||
continue
|
||||
}
|
||||
}
|
||||
|
||||
fmt.Printf("%s: unknown msg: %x\n", "tutk", buf[:n])
|
||||
}
|
||||
}
|
||||
|
||||
func (c *Conn) Write(req []byte) error {
|
||||
//log.Printf("-> %x", req)
|
||||
_, err := c.conn.WriteToUDP(TransCodePartial(req), c.addr)
|
||||
return err
|
||||
}
|
||||
|
||||
func (c *Conn) WriteAndWait(req []byte, ok func(req, res []byte) bool) ([]byte, error) {
|
||||
var t *time.Timer
|
||||
t = time.AfterFunc(1, func() {
|
||||
if err := c.Write(req); err == nil && t != nil {
|
||||
t.Reset(time.Second)
|
||||
}
|
||||
})
|
||||
defer t.Stop()
|
||||
|
||||
buf := make([]byte, 1200)
|
||||
|
||||
for {
|
||||
n, addr, err := c.conn.ReadFromUDP(buf)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
if string(addr.IP) != string(c.addr.IP) || n < 16 {
|
||||
continue // skip messages from another IP
|
||||
}
|
||||
|
||||
res := ReverseTransCodePartial(buf[:n])
|
||||
//log.Printf("<- %x", b)
|
||||
if ok(req, res) {
|
||||
c.addr.Port = addr.Port
|
||||
return res, nil
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (c *Conn) Protocol() string {
|
||||
return "tutk+udp"
|
||||
}
|
||||
|
||||
func (c *Conn) RemoteAddr() net.Addr {
|
||||
return c.addr
|
||||
}
|
||||
|
||||
func (c *Conn) SetDeadline(t time.Time) error {
|
||||
return c.conn.SetDeadline(t)
|
||||
}
|
||||
|
||||
func (c *Conn) Close() error {
|
||||
return c.conn.Close()
|
||||
}
|
||||
|
||||
func (c *Conn) Error() error {
|
||||
if c.err != nil {
|
||||
return c.err
|
||||
}
|
||||
return io.EOF
|
||||
}
|
||||
|
||||
func (c *Conn) ReadCommand() (cmd uint16, data []byte, err error) {
|
||||
buf, ok := <-c.rawCmd
|
||||
if !ok {
|
||||
return 0, nil, c.Error()
|
||||
}
|
||||
cmd = binary.LittleEndian.Uint16(buf[:2])
|
||||
data = buf[4:]
|
||||
return
|
||||
}
|
||||
|
||||
// WriteCommand will send a command every second five times
|
||||
func (c *Conn) WriteCommand(cmd uint16, data []byte) error {
|
||||
c.cmdMu.Lock()
|
||||
defer c.cmdMu.Unlock()
|
||||
|
||||
var repeat atomic.Int32
|
||||
repeat.Store(5)
|
||||
|
||||
timeout := time.NewTicker(time.Second)
|
||||
defer timeout.Stop()
|
||||
|
||||
c.cmdAck = func() {
|
||||
repeat.Store(0)
|
||||
timeout.Reset(1)
|
||||
}
|
||||
|
||||
req := c.msgAvSendIOCtrl(cmd, data)
|
||||
|
||||
for {
|
||||
if err := c.Write(req); err != nil {
|
||||
return err
|
||||
}
|
||||
<-timeout.C
|
||||
r := repeat.Add(-1)
|
||||
if r < 0 {
|
||||
return nil
|
||||
}
|
||||
if r == 0 {
|
||||
return fmt.Errorf("%s: can't send command %d", "tutk", cmd)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (c *Conn) ReadPacket() ([]byte, error) {
|
||||
buf, ok := <-c.rawPkt
|
||||
if !ok {
|
||||
return nil, c.Error()
|
||||
}
|
||||
return buf, nil
|
||||
}
|
||||
|
||||
func (c *Conn) WritePacket(data []byte) error {
|
||||
panic("not implemented")
|
||||
}
|
||||
|
||||
func genSID() []byte {
|
||||
b := make([]byte, 16)
|
||||
_, _ = rand.Read(b[8:])
|
||||
copy(b, b[8:10])
|
||||
b[4] = 0x0c
|
||||
return b
|
||||
}
|
||||
|
||||
func (c *Conn) msgLanSearch(uid []byte, i byte) []byte {
|
||||
const size = 68 // or 52 or 68 or 88
|
||||
b := make([]byte, size)
|
||||
copy(b, "\x04\x02\x0f\x02")
|
||||
b[4] = size - 16
|
||||
copy(b[8:], "\x01\x06\x21\x00")
|
||||
copy(b[16:], uid)
|
||||
copy(b[52:], "\x00\x03\x01\x02") // or 07000303 or 01010204
|
||||
copy(b[56:], c.sid[8:])
|
||||
b[64] = i
|
||||
return b
|
||||
}
|
||||
|
||||
func (c *Conn) msg(size uint16) []byte {
|
||||
b := make([]byte, size)
|
||||
copy(b, "\x04\x02\x19\x0a")
|
||||
binary.LittleEndian.PutUint16(b[4:], size-16)
|
||||
binary.LittleEndian.PutUint16(b[6:], c.seqCh0)
|
||||
c.seqCh0++ // start from 0
|
||||
copy(b[8:], "\x07\x04\x21\x00")
|
||||
return b
|
||||
}
|
||||
|
||||
func (c *Conn) msgAvClientStartReq() []byte {
|
||||
const size = 586 // or 586 or 598
|
||||
b := c.msg(size)
|
||||
copy(b[12:], c.sid)
|
||||
copy(b[28:], "\x00\x00\x08\x00") // or 00000400 or 00000b00
|
||||
binary.LittleEndian.PutUint16(b[44:], size-52)
|
||||
binary.LittleEndian.PutUint32(b[48:], uint32(time.Now().UnixMilli()))
|
||||
copy(b[size-16:], "\x04\x00\x00\x00\xfb\x07\x1f\x00")
|
||||
return b
|
||||
}
|
||||
|
||||
func (c *Conn) msgAvSendIOCtrl(cmd uint16, msg []byte) []byte {
|
||||
size := 52 + 4 + uint16(len(msg))
|
||||
b := c.msg(size)
|
||||
copy(b[12:], c.sid)
|
||||
copy(b[28:], "\x00\x70\x08\x00") // or 00700400 or 00700b00
|
||||
c.seqCmd++ // start from 1
|
||||
binary.LittleEndian.PutUint16(b[32:], c.seqCmd)
|
||||
binary.LittleEndian.PutUint16(b[44:], size-52)
|
||||
//_, _ = rand.Read(b[48:52]) // mid
|
||||
binary.LittleEndian.PutUint32(b[48:], uint32(time.Now().UnixMilli()))
|
||||
binary.LittleEndian.PutUint16(b[52:], cmd)
|
||||
copy(b[56:], msg)
|
||||
return b
|
||||
}
|
||||
|
||||
const version = 0x19
|
||||
|
||||
func msgAckPing(req []byte) []byte {
|
||||
// <- [24] 0402120a 08000000 28041200 000000005b0d4202070aa8c0
|
||||
// -> [24] 04021a0a 08000000 27042100 000000005b0d4202070aa8c0
|
||||
req[2] = version
|
||||
req[8] = 0x27
|
||||
req[10] = 0x21
|
||||
return req
|
||||
}
|
||||
|
||||
func msgAck(req []byte, size byte) []byte {
|
||||
// xxxx??xx ??00xxxx 07xx21xx ...
|
||||
req[2] = version
|
||||
req[4] = size - 16
|
||||
req[5] = 0x00
|
||||
req[8] = 0x07
|
||||
req[10] = 0x21
|
||||
return req[:size]
|
||||
}
|
||||
|
||||
func (c *Conn) msgAckCh0Req0012(req []byte) []byte {
|
||||
// <- [64] 0402120a 30000000 08041200 e6e8 0000 0c000000e6e839da66b0dc14 00120800000000000000000000000000 0c00 000000000000 020000000100000001000000
|
||||
// -> [72] 0402190a 38000300 07042100 e6e8 0000 0c000000e6e839da66b0dc14 00130b00000000000000000000000000 1400 000000000000 0200000001000000010000000000000000000000
|
||||
const size = 72
|
||||
req = append(req, 0, 0, 0, 0, 0, 0, 0, 0)
|
||||
binary.LittleEndian.PutUint16(req[6:], c.seqCh0) // channel sequence
|
||||
c.seqCh0++
|
||||
req[28] = 0x00 // command
|
||||
req[29] = 0x13
|
||||
req[44] = size - 52 // data size
|
||||
req[45] = 0x00
|
||||
return msgAck(req, size)
|
||||
}
|
||||
|
||||
func (c *Conn) msgAckCh0Req0070(req []byte) []byte {
|
||||
// <- [104] 0402120a 58000300 08041200 e6e8 0000 0c000000e6e839da66b0dc14 00700800010000000000000000000000 3400 00007625a02f ...
|
||||
// -> [ 52] 0402190a 24000400 07042100 e6e8 0000 0c000000e6e839da66b0dc14 00710800010000000000000000000000 0000 00007625a02f
|
||||
binary.LittleEndian.PutUint16(req[6:], c.seqCh0) // channel sequence
|
||||
c.seqCh0++
|
||||
req[28] = 0x00 // command
|
||||
req[29] = 0x71
|
||||
req[44] = 0x00 // data size
|
||||
req[45] = 0x00
|
||||
return msgAck(req, 52)
|
||||
}
|
||||
|
||||
func msgAckCh1Req0000(req []byte) []byte {
|
||||
// <- [590] 0402120a 3e020100 08041200 e6e8 0100 0c000000e6e839da66b0dc14 00000800000000000000000000000000 1a02 0000d9c0001b ...
|
||||
// -> [ 84] 0402190a 44000000 07042100 e6e8 0100 0c000000e6e839da66b0dc14 00140b00000000000000000000000000 2000 0000d9c0001b ...
|
||||
const size = 84
|
||||
req[28] = 0x00 // command
|
||||
req[29] = 0x14
|
||||
req[44] = size - 52 // data size
|
||||
req[45] = 0x00
|
||||
copy(req[52:], req[len(req)-32:]) // size
|
||||
return msgAck(req, size)
|
||||
}
|
||||
|
||||
func msgAckCh1Req0007(req []byte) []byte {
|
||||
// <- [64] 0402120a 30000300 08041200 e6e8 0100 0c000000e6e839da66b0dc14 00070800000000000000000000000000 0c00 000001000000 000000006f1ea02f00000000
|
||||
// -> [56] 0402190a 28000200 07042100 e6e8 0100 0c000000e6e839da66b0dc14 010a0b00000000000000000000000000 0000 000001000000 00000000
|
||||
req[28] = 0x01 // command
|
||||
req[29] = 0x0a
|
||||
req[44] = 0x00 // data size
|
||||
req[45] = 0x00
|
||||
return msgAck(req, 56)
|
||||
}
|
||||
|
||||
func msgAckCh5(req []byte) []byte {
|
||||
// <- [48] 0402120a 20000200 08041200 e6e8 0500 0c000000e6e839da66b0dc14 5a97c2f1010500000000000000000000 00a0 0000
|
||||
// -> [48] 0402190a 20000200 07042100 e6e8 0500 0c000000e6e839da66b0dc14 5a97c2f1410500000000000000000000 00a0 0000
|
||||
req[32] = 0x41
|
||||
return msgAck(req, 48)
|
||||
}
|
||||
@@ -1,138 +0,0 @@
|
||||
package tutk
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"encoding/binary"
|
||||
"math/bits"
|
||||
)
|
||||
|
||||
// I'd like to say hello to Charlie. Your name is forever etched into the history of streaming software.
|
||||
const charlie = "Charlie is the designer of P2P!!"
|
||||
|
||||
func ReverseTransCodePartial(src []byte) []byte {
|
||||
n := len(src)
|
||||
tmp := make([]byte, n)
|
||||
dst := bytes.Clone(src)
|
||||
|
||||
src16 := src
|
||||
tmp16 := tmp
|
||||
dst16 := dst
|
||||
|
||||
for ; n >= 16; n -= 16 {
|
||||
for i := 0; i != 16; i += 4 {
|
||||
x := binary.LittleEndian.Uint32(src16[i:])
|
||||
binary.LittleEndian.PutUint32(tmp16[i:], bits.RotateLeft32(x, i+3))
|
||||
}
|
||||
|
||||
swap(tmp16, dst16, 16)
|
||||
|
||||
for i := 0; i != 16; i++ {
|
||||
tmp16[i] = dst16[i] ^ charlie[i]
|
||||
}
|
||||
|
||||
for i := 0; i != 16; i += 4 {
|
||||
x := binary.LittleEndian.Uint32(tmp16[i:])
|
||||
binary.LittleEndian.PutUint32(dst16[i:], bits.RotateLeft32(x, i+1))
|
||||
}
|
||||
|
||||
tmp16 = tmp16[16:]
|
||||
dst16 = dst16[16:]
|
||||
src16 = src16[16:]
|
||||
}
|
||||
|
||||
swap(src16, tmp16, n)
|
||||
|
||||
for i := 0; i < n; i++ {
|
||||
dst16[i] = tmp16[i] ^ charlie[i]
|
||||
}
|
||||
|
||||
return dst
|
||||
}
|
||||
|
||||
func TransCodePartial(src []byte) []byte {
|
||||
n := len(src)
|
||||
tmp := make([]byte, n)
|
||||
dst := bytes.Clone(src)
|
||||
|
||||
src16 := src
|
||||
tmp16 := tmp
|
||||
dst16 := dst
|
||||
|
||||
for ; n >= 16; n -= 16 {
|
||||
for i := 0; i != 16; i += 4 {
|
||||
x := binary.LittleEndian.Uint32(src16[i:])
|
||||
binary.LittleEndian.PutUint32(tmp16[i:], bits.RotateLeft32(x, -i-1))
|
||||
}
|
||||
|
||||
for i := 0; i != 16; i++ {
|
||||
dst16[i] = tmp16[i] ^ charlie[i]
|
||||
}
|
||||
|
||||
swap(dst16, tmp16, 16)
|
||||
|
||||
for i := 0; i != 16; i += 4 {
|
||||
x := binary.LittleEndian.Uint32(tmp16[i:])
|
||||
binary.LittleEndian.PutUint32(dst16[i:], bits.RotateLeft32(x, -i-3))
|
||||
}
|
||||
|
||||
tmp16 = tmp16[16:]
|
||||
dst16 = dst16[16:]
|
||||
src16 = src16[16:]
|
||||
}
|
||||
|
||||
for i := 0; i < n; i++ {
|
||||
tmp16[i] = src16[i] ^ charlie[i]
|
||||
}
|
||||
|
||||
swap(tmp16, dst16, n)
|
||||
|
||||
return dst
|
||||
}
|
||||
|
||||
func swap(src, dst []byte, n int) {
|
||||
switch n {
|
||||
case 2:
|
||||
_, _ = src[1], dst[1]
|
||||
dst[0] = src[1]
|
||||
dst[1] = src[0]
|
||||
return
|
||||
case 4:
|
||||
_, _ = src[3], dst[3]
|
||||
dst[0] = src[2]
|
||||
dst[1] = src[3]
|
||||
dst[2] = src[0]
|
||||
dst[3] = src[1]
|
||||
return
|
||||
case 8:
|
||||
_, _ = src[7], dst[7]
|
||||
dst[0] = src[7]
|
||||
dst[1] = src[4]
|
||||
dst[2] = src[3]
|
||||
dst[3] = src[2]
|
||||
dst[4] = src[1]
|
||||
dst[5] = src[6]
|
||||
dst[6] = src[5]
|
||||
dst[7] = src[0]
|
||||
return
|
||||
case 16:
|
||||
_, _ = src[15], dst[15]
|
||||
dst[0] = src[11]
|
||||
dst[1] = src[9]
|
||||
dst[2] = src[8]
|
||||
dst[3] = src[15]
|
||||
dst[4] = src[13]
|
||||
dst[5] = src[10]
|
||||
dst[6] = src[12]
|
||||
dst[7] = src[14]
|
||||
dst[8] = src[2]
|
||||
dst[9] = src[1]
|
||||
dst[10] = src[5]
|
||||
dst[11] = src[0]
|
||||
dst[12] = src[6]
|
||||
dst[13] = src[4]
|
||||
dst[14] = src[7]
|
||||
dst[15] = src[3]
|
||||
return
|
||||
}
|
||||
copy(dst, src[:n])
|
||||
}
|
||||
Reference in New Issue
Block a user