DVTS Digital Video Transport System Akimichi@sfc.wide.ad.jp
DVTS Consumer DV Camera IEEE1394 Cable Internet Consumer DV Deck IEEE1394 Cable DV Internet PC Internet DV PC
DVTS Consumer DV Camera IEEE1394 Cable Internet Consumer DV Deck IEEE1394 Cable DV Internet PC Internet DV PC
DVTS Consumer DV Camera IEEE1394 Cable Internet Consumer DV Deck IEEE1394 Cable DV Internet PC Internet DV PC
DVTS IEEE1394 DV UDP PC IEEE1394 DV DV IP/UDP/RTP IEEE1394
DVTS IP/UDP/RTP IEEE1394/DV PC IEEE1394 DV IP/UDP/RTP DV IEEE1394
DVTS DV IEEE1394 DV
PC FreeBSD MacosX Linux NetBSD Windows2000 WindowsXP IEEE1394 DV 15 A/V
DVTS 1998 1998 1999 2001 6 2001 7 2001 8 2001 10 2002 1 2002 1 ikob SC98 DVTS RTP autoconf MacosX Linux NetBSD send DV/RTP RFC Windows
DVTS IEEE1394 DV FreeBSD IEEE1394 driver ikob
DV Digital Video
DV IEEE1394 FireWire ilink CBR(Constant Bit Rate) IEEE1394 492 80
DV DCT Quantization VLC
Mode 48k mode 44.1k mode 32k mode 32k-2ch mode Sampling frequency 48kHz 44.1kHz 32kHz Quantization Channel 16bits linear 1 12bits nonlinear 2
720 pixels 480 lines 27 macro blocks Super block
Data in one video frame DIF sequence 0 DIF sequence 0 DIF sequence 0 DIF sequence (N-1) Header section Subcode section VAUX section Audio & Video section DIF block 0 DIF block 1 DIF block 2 DIF block 148 DIF block 149 ID Data 0 1 2 3 Byte position number 79 N = 10 for 525-60 system N = 12 for 625-60 system
H0 SC0 SC1 VA0 VA1 VA2 0 1 2 3 4 5 A0 V0 V1 V2 V3 V4 A1 V15 V16 V17 V18 V19 A2 V30 V31 V32 V33 V34 A3 V45 V46 V47 V48 V49 A4 V60 V61 V62 V63 V64 A5 V75 V76 V77 V78 V79 A6 V90 V91 V92 V93 V94 A7 V105 V106 V107 V108 V109 A8 V120 V121 V122 V123 V124 V13 6 7 8 9 10 11 20 11 22 23 24 25 26 27 38 39 40 41 42 43 54 55 56 57 58 59 70 71 72 73 74 75 86 87 88 89 90 91 102 103 104 105 106 107 118 119 120 121 122 123 134 135 136 137 138 139 DIF block V28 V43 V58 V73 V88 V103 V118 V133 V14 V29 36 37 V44 52 53 V59 68 69 V74 84 85 V89 100 101 V104 116 117 V119 132 133 V134 148 149 H0 : DIF block in header section SC0 to SC1 : DIF block in subcode section VA0 to VA2 : DIF blocks in VAUX section A0 to A8 : DIF blocks in audio section V0 to V134 : DIF blocks in video section
DVTS
RTP/DV RTP DV DIF block DIF block 80 RTP DV DIF block IEEE1394 6 DV DIF block DVTS DV/RTP DV DIF block 17
RTP : A Transport Protocol For Real-Time Applications IETF RFC1889 UDP 12 RTP
RTP/DV IP header UDP Header RTP Header 80 byte DIF block 80 byte DIF block 80 byte DIF block : :
DVTS DVTS 30Mbps Mbps
DVTS 1 / 2 1 / 3 DV DV DV
Mbps) 10Mbps Full Rate Audio : 2.64 MBps Full Rate Video : 27.58Mbps 5Mbps
Frame With With Rate IPv4 (Mbps) IPv6 (Mbps) 1/1 30.47 31.70 1/2 15.72 16.83 1/3 11.48 11.84 1/10 4.74 4.87 1/20 3.26 3.39
1/10 10base-T OK 1/30 30Mbps
DV
10base-T DVTS ALTQ
TIPS Switch HUB RTCP Ping PC APM Auto-nego Ifconfig vr0 media 100base-tx mediaopt full-duplex
dvsend L desthost RTCP dvrecv -L
FAQ IEEE1394 OHCI Linux NetBSD Windows CardBus IEEE1394 4pin 6pin
DVTS
X11 Viewer
Win2000 Windows Default DV MSDV Windows2000 WindowsXP DV DirectX8.1 WindowsXP Windows2000 VC++ UNIX DVTS Interoperability
Win2000 Win2000 NotePC IEEE1394 Cardbus 127.0.0.1 DV/RTP PC
DirectShow Windows DirectShow Filter IEEE1394 DV Dvrtpout.dll DV/RTP DV Dvrtpin.dll DVTS
FreeBSD5.0 WindowsXP IP IEEE1394 IEEE1394 sender dvsend WWW
http://www.sfc.wide.ad.jp/dvts/ MacosX Windows2000 WindowsXP Vector http://www.vector.co.jp/