Adds support HomeKit cameras!

2022-09-01 14:15:35 +03:00
parent 4f92608f33
commit c0c96cfcdb
31 changed files with 3206 additions and 32 deletions
@@ -0,0 +1,103 @@
+package camera
+
+import (
+	cryptorand "crypto/rand"
+	"encoding/binary"
+	"github.com/brutella/hap/rtp"
+)
+
+type Session struct {
+	Offer  *rtp.SetupEndpoints
+	Answer *rtp.SetupEndpointsResponse
+	Config *rtp.StreamConfiguration
+}
+
+func NewSession() *Session {
+	sessionID := RandomBytes(16)
+	s := &Session{
+		Offer: &rtp.SetupEndpoints{
+			SessionId: sessionID,
+			Video: rtp.CryptoSuite{
+				MasterKey:  RandomBytes(16),
+				MasterSalt: RandomBytes(14),
+			},
+			Audio: rtp.CryptoSuite{
+				MasterKey:  RandomBytes(16),
+				MasterSalt: RandomBytes(14),
+			},
+		},
+		Config: &rtp.StreamConfiguration{
+			Command: rtp.SessionControlCommand{
+				Identifier: sessionID,
+				Type:       rtp.SessionControlCommandTypeStart,
+			},
+			Video: rtp.VideoParameters{
+				CodecType: rtp.VideoCodecType_H264,
+				CodecParams: rtp.VideoCodecParameters{
+					Profiles: []rtp.VideoCodecProfile{
+						{Id: rtp.VideoCodecProfileMain},
+					},
+					Levels: []rtp.VideoCodecLevel{
+						{Level: rtp.VideoCodecLevel4},
+					},
+					Packetizations: []rtp.VideoCodecPacketization{
+						{Mode: rtp.VideoCodecPacketizationModeNonInterleaved},
+					},
+				},
+				Attributes: rtp.VideoCodecAttributes{
+					Width: 1920, Height: 1080, Framerate: 30,
+				},
+				RTP: rtp.RTPParams{
+					PayloadType:             99,
+					Ssrc:                    RandomUint32(),
+					Bitrate:                 299,
+					Interval:                0.5,
+					ComfortNoisePayloadType: 98,
+					MTU:                     0,
+				},
+			},
+			Audio: rtp.AudioParameters{
+				CodecType: rtp.AudioCodecType_AAC_ELD,
+				CodecParams: rtp.AudioCodecParameters{
+					Channels:   1,
+					Bitrate:    rtp.AudioCodecBitrateVariable,
+					Samplerate: rtp.AudioCodecSampleRate16Khz,
+					PacketTime: 30,
+				},
+				RTP: rtp.RTPParams{
+					PayloadType: 110,
+					Ssrc:        RandomUint32(),
+					Bitrate:     24,
+					Interval:    5,
+					MTU:         13,
+				},
+				ComfortNoise: false,
+			},
+		},
+	}
+	return s
+}
+
+func (s *Session) SetLocalEndpoint(host string, port uint16) {
+	s.Offer.ControllerAddr = rtp.Addr{
+		IPAddr:       host,
+		VideoRtpPort: port,
+		AudioRtpPort: port,
+	}
+}
+
+func (s *Session) SetVideo() {
+
+}
+
+func RandomBytes(size int) []byte {
+	data := make([]byte, size)
+	_, _ = cryptorand.Read(data)
+	return data
+}
+
+func RandomUint32() uint32 {
+	data := make([]byte, 4)
+	_, _ = cryptorand.Read(data)
+	return binary.BigEndian.Uint32(data)
+}