Videophone Development Platform User s Guide

Transcription

1 Videophone Development Platform User s Guide Version 1.37 Wintech Digital Systems Technology Corporation

2 Preface Read This First About This Manual The VDP is a videophone development platform for videophone applications that integrates full duplex audio and videophone functions and offers an embedded software framework, along with a hardware demonstration and application development platform. This user s guide provides information for installation, configuration and demonstration of the VDP. How to Use This Manual Chapter 1: Chapter 2: Chapter 3-6 : Chapter 7: Appendix A & B: Appendix C : Overview of the VDP Installation of the VDP Demonstrations are described separately Upgrading VDP software Netmeeting and Gatekeeper (GK) installation and configuration Manual upgrading of VDP Related Documentation VDP Quick Start VDP User s Guide VDP Programmer s Guide VDP Technical Reference FCC Warning This equipment is intended for use in a laboratory test environment only. It generates, uses, and can radiate radio frequency energy and has not been tested for compliance with the I

3 limits of computing devices pursuant to subpart J of part 15 of FCC rules, which are designed to provide reasonable protection against radio frequency interference. Operation of this equipment in other environments may cause interference with radio communications, in which case the user at his own expense will be required to take whatever measures may be required to correct this interference. Revision Information II

4 Tables 1: Revision Information Date Revision Description 12/20/04 V1.0 Creation 03/02/05 V1.1 Figure 2,8,19,20,22,23,25,26 added on. Table 1 added on. 05/08/05 V1.2 Appendix C were modified. 11/18/05 V1.33 Section 2.2 were modified Section 2.3 added on Section were modified Section were modified Section were modified Section were modified Section were modified Section were modified Section 7.1 were modified 04/29/06 V1.36 Section were modified Section added on Section 2.3 were modified Section added on III

5 Contents READ THIS FIRST...I HOW TO USE THIS MANUAL... I RELATED DOCUMENTATION... I FCC WARNING... I REVISION INFORMATION...II CONTENTS... 1 FIGURES... 5 TABLES INTRODUCTION SPECIFICATION Hardware Software SOFTWARE ARCHITECTURE INSTALLATIONS AND CONFIGURATION GENERAL INSTALLATION Installation Requirements Installation Steps GENERAL CONFIGURATION Keypad definition Configuration Main Menu IP address Set up GK Mode Voice codec Video Codec Video Quality FTP Server Exit Configuration Main Menu

6 2.3 CHECKING CONFIGURATION INFORMATION MAKING A CALL WEB CONFIGURATION Index page IP setup page GK mode page Codec & Quality page FTP Server page Information page DEMONSTRATION 1:VDP TALKING TO NETMEETING ( NON-GK MODE) OVERVIEW REQUIREMENT PC requirements VDP Requirements INSTALLATION AND CONNECTION Installation of the VDP Connection with Netmeeting CONFIGURATION VDP Configuration Netmeeting Configuration DEMONSTRATION EXECUTION DEMONSTRATION 2:VDP TALKING WITH NETMEETING ( GK MODE) OVERVIEW REQUIREMENTS PC running GK requirements PC Running Netmeeting Requirements VDP Requirements INSTALLATION AND CONNECTION Installation of VDP Connection with Netmeeting CONFIGURATION

7 4.4.1 VDP Configuration Netmeeting Configuration Gatekeeper Configuration DEMONSTRATION EXECUTION DEMONSTRATION 3:VDPS TALKING TO EACH OTHER (NON-GK MODE) OVERVIEW REQUIREMENTS INSTALLATION AND CONNECTION Installation of VDP Connection CONFIGURATION VDP Configuration DEMONSTRATION EXECUTION DEMONSTRATION 4:VDPS TALKING TO EACH OTHER IN (GK MODE) OVERVIEW REQUIREMENTS PC Running GK Requirements VDP Requirements INSTALLATION AND CONNECTION Installation of VDP CONFIGURATION VDP Configuration Gatekeeper configuration DEMONSTRATION EXECUTION UPGRADE SOFTWARE AUTOMATICALLY UPGRADE MODE MANUAL UPDATE MODE APPENDIX A: MICROSOFT NETMEETING CONFIGURATION APPENDIX B: GATEKEEPER (GK ) INSTALLATION AND 3

8 CONFIGURATION: OPENH323 GATEKEEPER-THE GNU GATEKEEPER APPENDIX C: MANUALLY UPGRADE OF VDP SOFTWARE

9 Figures Figure 1 Software Architecture...11 Figure 2 Signal Cable Connections Figure 3 Power Connections Figure 4 VDP units connected to a computer running Netmeeting Figure 5 VDP units connected to computer with Netmeeting and GK running Figure 6 Connecting VDP Units to Each Other Figure 7 Connect VDP units with each other and GK running on a Computer Figure 8 VDP s upgrade switch Figure 9 Net-meeting configuration Figure 10 General configuration Figure 11 Audio configuration Figure 12 Voice codec configuration Figure 13 Video configuration Figure 14 Advanced Calling configuration Figure 15 GK directory Figure 16 Interface of GK Figure 17 FlashBurn Tool Figure 18 Burn VDP Step Figure 19 Burn VDP Step Figure 20 Burn VDP Step Figure 21 Burn Bootloader Step Figure 22 Burn Bootloader Step Figure 23 Burn Bootloader Step Figure 24 Burn FTP Step Figure 25 Burn FTP Step Figure 26 Burn FTP Step

10 Tables Tables 1: Revision Information Ⅱ 6

11 1 Introduction The VDP is a videophone development platform for video-phone applications that integrates full duplex audio and video phone functions and offers an embedded software framework, along with a demonstration and development platform. The VDP includes two VDP units and a 10/100Mbps fast Ethernet mini switch. Each VDP unit contains of a DM643 development board, a keyboard, an LCD screen, and a camera. The software is a modularized package of audio and video processing components. VoIP call control protocols and network protocols are integrated with TI s Reference Framework 5 (RF5) and run on a single processor, TMS320DM643. Video processing is designed to support industry-leading video technologies with an H.264 and H.263 based solution that is capable of full motion video up-to 30fps at CIF resolution. Voice processing supports narrow band coders, which are voice G.711 and G The user development APIs are designed to support customized designs of the user interface. The IP videophone commonly works on two modes: Non-GK mode: No gatekeeper (GK) is used GK mode: A gatekeeper (GK) is used The included demonstrations discussed below illustrate how the VDP works on the H.323 stack in both modes. It also shows how to set up a connection and create media channels between the terminals, how to use the H.263/H.264 algorithm to compress/decompress videos, how to use the G.711/G algorithm to compress/decompress voice and how to transmit a media stream using RTP/UDP/IP over the Ethernet. Demonstrations 1 and 2 illustrate how the VDP communicates with Microsoft Netmeeting (soft video phone) based on H.323 protocol, H.263 CIF format for video and G723.1 or G.711 for voice. Demonstration 3 and 4 illustrate how the VDP communicates with each others based on H.323 protocol, H.264 CIF format for video, and G723.1 or G.711 for voice. There are two connections to the camera and video display in each demo. The VDP board has its own camera and screen to capture and display video. The VDP also supports the connection of an external camera and a display unit (e.g., TV). 7

12 VDP Package Contents Main board Camera/screen panel Handset AC adapter 10/100M switch Technical Reference Menu CD Device drivers / board support packages for the VDP Complete application software for the video phone function integrating the DSP/media processing, call control and signaling software, network processing software and user interface quick start, hardware, software and interface documents Features The VDP includes the following features: Integration with industry leading voice, video compression technologies Open software architecture and APIs allow ease of feature enhancements Ready to use application software with fully integrated hardware and software solution enables quick time-to-market Voice/video processing, signaling, network and system control functions are all performed on a single DM643 processor Based on H.323 and compatible with other H.323 voice and video telephony solutions Development platform based on DM643 processor Development platform with built-in 5" TFT color screen and CCD camera with audio and video connections to interface or to an external TV, camera and handset IP connectivity with Ethernet Future, integration with other network/signaling stack 8

13 1.1 Specification Hardware Processor TI TMS320DM643 DSP operating at 600 MHz Memory o o 4 MB Flash 32 MB SDRAM Audio/Video Interfaces o o o MIC-In and Line-Out Video_in (CVBS) ports Video_out (CVBS) port Communication Interfaces o o 10/100 Base T Ethernet port Dual UART with RS-232 drivers System Interfaces o o o o o Keypad input 5 LEDs JTAG port 12V (3A) power input Expansion connectors for future use Software Video Codec 9

14 o o H.263 CIF up to 30 fps H.264 CIF up to 30 fps Voice Codec o Narrow band: G.711u, G.723.1A o Future intergraded with G.711a and G.729 Echo canceller G.167 Silence suppression: Voice activity detection (VAD) / comfort noise generation (CNG) Telephony functions: DTMF tone generator, call progress tones generator Jitter buffer and media synchronization: Enhanced video and audio quality with various network conditions to maintain lip synchronization Integrated framework: o o Built on top of DSP/BIOS TI Reference Framework 5 (RF5) Network/signaling features o o o Media control : RTP / RTCP Network control: TCP/UDP/IP (TI NDK v1.71) Call control: H.323v.4 (RAS, Q.931, H.245) 1.2 Software Architecture 10

15 User Development API Call Control and Management Voice codec Video codec H.323 G.711,G H.263, H.264 (RAS, Q.931, H.245) RTP/RTCP Echo Canceller TCP/UDP/IP Call progress Tone & DTMF Jitter Buffer & Media Synchronization. DSP/BIOS Ethernet Keypad RS232 Camera LCD/Video Audio driver driver driver driver driver driver Figure 1 Software Architecture 2 Installations and Configuration 2.1 General Installation Installation Requirements TMDSVDP64X-2 VDP main board TMDSVDP64X-2 VDP camera/screen panel Handset 12V DC power adapter with power cord Ethernet switch with power adapter The cables: Video-In cable (camera/screen panel to main board) 11

16 Video-Out cable (main board to camera/screen panel) 10/100 BASE-T category-5 Ethernet cable Auxiliary power cord (main board to camera/screen panel) Installation Steps Step 1 Connect signal cables, except power, as illustrated in Figure 2. Step 2 Plug the power cable into the VDP units, as illustrated in Figure 3. Step 3 Connect the switch s power adapter into an electrical power outlet. Step 4 Connect the 12V DC power adapter cord into an electrical power outlet When the VDP units are properly connected and powered up, the four green activity LEDs on the main board will flash to indicate initialization. In a few seconds, the results of initialization will be displayed on the screen; then the video loop-back will be on. Figure 2 Signal Cable Connections Camera/Screen Panel Ø To Ethernet Switch From Camera Ethernet Video JTAG port in 2 Videophone Development Platform SV-2000A Reset Boot mode Top of Main Board F1 F2 F3 Hook F1 F2 F3 Hook Esc Menu Back space S-Video out *. 0 Enter Videophone Development Platform Video out Line Line Mic out in in Hand set Video in 1 UART Auxiliary power from mainboard refer to Figure 3 Handset 12

17 Figure 3 Power Connections The rear of mainboard JTAG Power outlet 12V DC from AC adaptor Auxiliary power to camera/screen panel 2.2 General Configuration The VDP is configured through the keyboard. You can configure the IP address (DHCP/static IP/PPPoE), GK mode (enable/disable/autoscan /GK-IP/phone number/username/password), voice codec (G723/G711u/G711a/G729), video codec (H263/H264), video-quality (Bit-rate/size/formats), and FTP server (FTP/IP or URL/route/username/password). When pressing the Menu button, the configuration s main menu will be displayed on screen in a multiple-choice format. According to the menu prompt, press the up( ) or down ( ) button to move the cursor to the item you want to re-configure. Press Enter to confirm your choice. You can then go into the next menu for more detailed choices. Press Esc to exit the current menu. Press Backspace to move the cursor back to the previous space and erase the input there Keypad definition 0~9 Digit button, Cursor moving *. Functions as a dot in IP address input # N/A; to be defined in the future Enter Esc Exit from current menu Menu Enter the configuration main menu Backspace Move the cursor back to the previous space and erase the letter 13

18 Hook F1 F2 F3 input there Hook off / Hook on depending on the current status Check Configuration Information NA; to be defined in the future Start/stop PPPoE Start/stop picture in picture Configuration Main Menu Press the Menu button to enter the VDP system configuration. The main menu will pop up on screen as shown below. VDP Configuration IP Setup GK mode Voice Codec Video Codec Video Quality Options FTP Server IP address Set up In the main menu, press the or button to move the cursor to IP setup. Press Enter to go to the IP address setup. The menu is shown below. 14

19 IP address Static IP DHCP PPPoE Static IP Press the or button to move the cursor to Static IP. Press Enter to go to the Static IP setup. The menu is shown below. Static IP IP Subnet Mark Gateway DNS Server Press the or button to move the cursor to the item you want to re-configure. Dial each group of IP digits, each ending with the *button, to input. For example, if you want to input IP: , you should dial 192*168*136*18, and then press Enter to confirm your input. Press Backspace to modify your input and Esc to cancel and keep the original setting DHCP Press the or button to move the cursor to DHCP and then press Enter. The 15

20 VDP will automatically get IP address. In this case, the DHCP server should run on another computer that is connected with VDP PPPoE Press the or button to move the cursor to PPPoE and then press Enter. Then if you press the F2 key, the VDP will automatically get PPPoE address GK Mode Press the or button to move the cursor to GK Mode and then press Enter to go to GK Mode set-up. The menu is shown below. GK Mode: Enable Enable/Disable AutoScan GK IP Phone number Username Password Enable/Disable Press the or button to move the cursor on Enable/Disable and then press Enter. The status of GK Mode can alternately be changed AutoScan Enable/Disable Press the or button to move the cursor on AutoScan s Enable/Disable and then press Enter. The status of autoscan GK Mode can alternately be changed GK IP Press the or button to move the cursor to GK IP, Dial each group of IP digits, each ending with the*button, to input the IP address. For example, if you want to input IP: , you should dial 192*168*136*18, and press Enter to confirm your input. Press the Backspace button to modify your input and press the 16

21 Esc button to Cancel and keep the original setting Phone number Press the or button to move cursor to Phone number, Dial your phone number. Press Enter to confirm your input Username Press the or button to move cursor to Username, Dial your Gate keeper s username. Press Enter to confirm your input Password Press the or button to move cursor to Phone number, Dial your Gate keeper s password. Press Enter to confirm your input Voice codec In the main menu, press the or button to move the cursor to Voice codec and then press Enter to go to Voice codec set-up. The menu is shown below. Voice codec: G723 G711U G711A G729 Press the or button to move the cursor to the item you want to use. Press Enter to confirm your choice. Note. G.711a and G.729 are not available at the moment, but they can be activated in the future. 17

22 2.2.6 Video Codec In the main menu, press the or button to move the cursor to Video codec and then press Enter to go to Video codec setup. The menu is shown below. Video codec H.263 H.264 Press the or button to move the cursor to the item you want to use, and press Enter to confirm your choice Video Quality In the main menu, press the or button to move the cursor to Video Quality and then press Enter to go to Video Quality setup. The menu is shown below. Video Quality Bit Rate Size Formats Press the or button to move the cursor to the item you want to re-configure, and then press Enter to confirm your choice. 18

23 future. Note. Size and formats are not available now, but they can be activated in the Bit Rate In the main menu, press the or button to move the cursor to Bit Rate and then press Enter to go to Bit Rate setup. The menu is shown below. Bit Rate (Kb/s) Press the or button to move the cursor to the item you want to re-configure, and then press Enter to confirm your choice. 768Kb/s and 1024Kb/s are not available at the moment Image Size Image Size will provide three options to choose from: CIF/QCIF/4CIF. feature is not yet available. The default is CIF. This Formats PAL. Formats, will provide two options to choose from: PAL/NTCS. The default is Options In the main menu, press the or button to move the cursor to Enable/Disable and then press Enter to change the auto answer mode. The menu is shown below. 19

24 Options Auto answer: Disable Enable/Disable FTP Server In the main menu, press the or button to move the cursor to FTP Server and then press Enter to go to FTP Server setup. The menu is shown below. FTP Server Server Route Username Password Press the or button to move the cursor to the item you want to re-configure. Dial each group of FTP Server s IP digits, each followed by the*button, to input. For example, if you want to input Server : , you should dial 202*10*36*18, and then press Enter to confirm your input. Press Backspace to modify your input and press Esc to cancel your input and keep the original setting. 20

25 Exit Configuration Main Menu When you complete the configuration, press the Esc button until you exit the configuration main menu. 2.3 Checking Configuration Information Press F1 to check the configuration (all the configuration parameters are displayed on screen). Press F1 again to exit. 2.4 Making a Call You can make a call either by dialing the actual phone number directly or by dialing the IP address; using GK enable mode and GK disable mode, respectively. In GK enable mode, you must dial the real phone number and then press Enter to confirm. In GK disable mode, if the IP address is valid, press dial each section of digits, followed by the * button, then press Enter to confirm. For example, if you want to input IP: , it should be dialed as 192*168* 136*18. Then press Enter to start the call. 2.3 Web Configuration The VDP is configured through the web server. You can configure the IP address (DHCP/static IP/PPPoE), GK mode (enable/disable/autoscan /GK-IP/phone number/username/password), voice codec (G723/G711u/G711a/G729), video codec (H263/H264), video-quality (Bit-rate/size/formats), Options(Auto answer), and FTP server (FTP/IP or URL/route/username/password). 21

26 2.3.1 Index page IP setup page Selest the item which you want to re-config. 22

27 You canre- config the ip setup parameters by this page GK mode page You can re-config the GK mode parameters by this page. 23

28 2.3.4 Codec & Quality page You can re-config the audio and video parameters by this page Options 24

29 You can re-config the options parameters by this page FTP Server page You can re-config the FTP Server parameters by this page. 25

30 2.3.7 Information page You can review the most system parameters in this page. 3 Demonstration 1:VDP Talking to Netmeeting ( Non-GK Mode) 3.1 Overview This demonstration performs visible talking between the VDP and Netmeeting via the Ethernet. The caller sets up a connection to a callee (VDP or Netmeeting) using H.225, and then the caller and the callee exchange capabilities and define Master /slave, and open logic channels to transmit a media stream (both video and voice) using H.245. When the logic channels are open, the video and voice streams carried by RTP transmits to the other side. The following steps in section 3.5 produce video and voice stream: acquisition, capture, compression, and packets for the VDP. At the same time, the terminal receives 26

31 a streams sent by Netmeeting via RTP. Then through repacking and decompression, the video and voice analog is displayed. Since Netmeeting only supports video compression of H.263/H.261, and voice compression of G.711/ G.723.1, accordingly, this demonstration adheres to those guidelines. The video resolution is in CIF format (CIF: pixels in NTSC, pixels in PAL). In non-gk mode, the caller must dial the callee s IP address directly. 3.2 Requirement PC requirements Microsoft Windows (2000, XP) Code Composer Studio V2.21(or higher) Microsoft Netmeeting installed on your computer Graphical card Audio card Camera Microphone/speaker VDP Requirements TMDSVDP64X-2 VDP main board TMDSVDP64X-2 VDP camera/screen panel Handset 12V DC power adapter with power cord Ethernet switch with power adapter The cables: Video-In cable (camera/screen panel to main board) Video-Out cable (main board to camera/screen panel) 10/100 BASE-T category-5 Ethernet cable Auxiliary power cord (main board to camera/screen panel) 3.3 Installation and Connection Installation of the VDP Install VDP units as instructed in Section

32 3.3.2 Connection with Netmeeting VDP units are connected to a computer that has Netmeeting running, via the Ethernet switch as shown in Figure 4. VDP Main Board Video out J11 Ethernet switch Netmeeting Camera/ Screen panel Video In J6 J8 handset Ethernet Figure 4 VDP units connected to a computer running Netmeeting 3.4 Configuration VDP Configuration Configure VDP as instructed in section 2.2. Note: Video Codec may be set as H.263 or H.264 Voice Codec may be set as G.711U3 or G.723 GK Mode should be set in disable mode Netmeeting Configuration See Appendix A: Netmeeting Configuration Note: Voice Codec may be not in consonance with the VDP GK Mode should be set in disable mode 28

33 3.5 Demonstration Execution 1. Connect all the signal cables and power cords, as shown in Figure Turn on the computer, Netmeeting should be running. 3. Connect the switch s power adapter into an electrical power outlet. 4. Connect the plug end of 12V DC power adapter cord into an electrical power outlet. When the VDP units are properly connected and powered up, the four green activity LEDs on the main board should flash to indicate initialization. In a few seconds, the initialization results will be displayed on the screen. Then the video loop back will be on. 5. Press the Menu button to configure VDP as instructed in section 2.4.1Configure Netmeeting as instructed in section Call either from VDP or Netmeeting by dialing the callee s IP number. If using the VDP as a caller, press the Hook button and dial Netmeeting s IP number to call. From the Netmeeting panel, press the Hang Up button when you hear the ring. Then pick up the phone receiver, to be able to view and speak with each other. 7. Finish the call any time by pressing Hook at the VDP screen or by clicking Hang Down at Netmeeting panel. 4 Demonstration 2:VDP Talking with Netmeeting ( GK Mode) 4.1 Overview This demonstration performs visible talking between VDP and Netmeeting via Gatekeeper (GK) over the Ethernet. First, the VDP and Netmeeting are both registered on GK. To begin, the caller sets up a connection to a callee (VDP or Netmeeting) using H.225. Then they both exchange capabilities, define Master /slave and open logic channels to transmit media stream (both video and voice) using H.245. When the logic channels are open, video and voice streams carried by RTP will be transmitted to the other end. At the VDP terminal, the following steps in section 4.5 produce video and voice stream: acquisition, capture, compression and packet. At the same time, the terminal receives 29

34 the stream sent by Netmeeting via RTP, then through repacking and decompression, the video and voice analog is displayed Since Netmeeting only supports video compression of H. 263/H.261, voice compression of G.711/ G.723.1, this demonstration will adhere to those guidelines. The video resolution is CIF format (CIF: pixels in NTSC, pixels in PAL) In GK enable mode, the caller must dial the callee s phone number. 30

35 4.2 Requirements PC running GK requirements Microsoft Windows(2000, XP) Open H.323 v PC Running Netmeeting Requirements Microsoft Windows (2000, XP) Code Composer Studio V2. 21(or higher) Microsoft Netmeeting installed on your computer Graphical card Audio card Camera Microphone/speaker VDP Requirements TMDSVDP64X-2 VDP main board TMDSVDP64X-2 VDP camera/screen panel Handset 12V DC power adapter with power cord Ethernet switch with power adapter The cables: Video-In cable (camera/screen panel to main board) Video-Out cable (main board to camera/screen panel) 10/100 BASE-T category-5 Ethernet cable Auxiliary power cord (main board to camera/screen panel) 4.3 Installation and Connection Installation of VDP Install VDP units as instructed in Section Connection with Netmeeting Connect VDP units with via the Ethernet switch as shown in Figure 5. Netmeeting and GK should be running. 31

36 VDP Main Board Video out J11 Ethernet switch Netmeeting Camera/ Screen panel Video In J6 J8 handset Ethernet GK Figure 5 VDP units connected to computer with Netmeeting and GK running 4.4 Configuration VDP Configuration Configure VDP as instructed in section 2.2. Note: Video Codec may be set as H.263 or H.264 Voice Codec may be set as G.711U3 or G.723 GK Mode should be set on enable; set GK IP and phone number Netmeeting Configuration See Appendix A: Netmeeting configuration Note: Voice Codec may be not in consonance with VDP Set GK Mode to enable Gatekeeper Configuration See Appendix B: Gatekeeper (GK ) installation and configuration. 4.5 Demonstration Execution 1. Connect all the signal cables and power cords as shown in Figure Turn on the computer Netmeeting should be running. 3. Run GK software. Refer to Appendix B: Gatekeeper (GK) installation and 32

37 configuration. 4. Connect switch s power adapter into an electrical power outlet. 5. Connect the plug end of 12V DC power adapter cord into an electrical power outlet. When the VDP units are properly connected and powered up, the four green activity LEDs on the main board should flash to indicate initialization. In a few seconds, the initialization results will be displayed on the screen. Then the video loop back will be on. Check the VDP register information. 6. Press the Menu button for VDP configuration as instructed in section Configure Netmeeting as instructed in section Call from VDP or Netmeeting by dialing the callee s IP number. If the VDP is designated as the caller, press the Hook button and dial Netmeeting s IP number to call. In the Netmeeting dialog box, press Hang Up button when you hear the ring. Then pick up the phone receiver to simultaneously talk with and view each other. 8. Finish the call any time by pressing Hook on the VDP terminal or by clicking Hang Down in the Netmeeting dialog box. 5 Demonstration 3:VDPs Talking to Each Other (Non-GK Mode) 5.1 Overview This demonstration performs visible talking between VDPs over the Ethernet. The caller starts by setting up a connection to a callee using H.225. They will then exchange capabilities, and define master /slave and open logic channels to transmit media stream (both video and voice) using H.245. When the logic channels are open, video and voice stream carried by RTP will transmit to the other end. At both VDP terminals, the following steps in section 5.5 produce a video and voice stream: acquisition, capture, compression and packet. Simultaneously the terminal sends and receives a stream via RTP. Then, through repacking and decompression, the video and voice analog is displayed VDP supports video compression of H. 263/H.264, voice compression of G.711/ G723.1, therefore this demonstration performs adheres to those guidelines. The video resolution is CIF format (CIF: pixels in NTSC,

38 pixels in PAL). In non-gk mode, the caller calling the callee only needs to dial the callee s IP address directly. 5.2 Requirements TMDSVDP64X-2 VDP main board TMDSVDP64X-2 VDP camera/screen panel Handset 12V DC power adapter with power cord Ethernet switch with power adapter The cables: Video-In cable (camera/screen panel to main board) Video-Out cable (main board to camera/screen panel) 10/100 BASE-T category-5 Ethernet cable Auxiliary power cord (main board to camera/screen panel) 5.3 Installation and Connection Installation of VDP Install VDP units as instructed in Section Connection Connect VDP units with each other via the Ethernet switch as shown in Figure 6. 34

39 VDP Main Board VDP Main Board Video out J11 switch J11 Video out Camera/ Screen panel Video In Ethernet J6 J8 handset Ethernet J6 J8 handset Video In Camera/ Screen panel Figure 6 Connecting VDP Units to Each Other 5.4 Configuration VDP Configuration Configure the VDP as instructed in section 2.2. Note: Voice Codec may be not in consonance with each other GK Mode should be set on disable 5.5 Demonstration Execution 1. Connect all the signal cables and power cords as shown in Figure Connect the switch s power adapter into an electrical power outlet 3. Connect the plug end of 12V DC power adapter cord into an electrical power outlet. When the VDP units are properly connected and powered up, the four green activity LEDs on the main board should flash to indicate initialization. In a few seconds, the initialization results will be displayed on the screen for a few seconds. Then the video loop back will be on. 4. Press the Menu button for VDP configuration as instructed in section Call VDP or Netmeeting by dialing the callee s IP number. The caller presses the Hook button to dial the callee s IP number to make the phone call. The callee presses the Hook button to answer the ring and both are able to see and talk to each other. 35

40 6. Finish the call any time by pressing Hook at either of the VDPs. 6 Demonstration 4:VDPs Talking to Each Other in (GK Mode) 6.1 Overview This demonstration shows how two parties can view and talk with each other through their VDPs via Gatekeeper (GK) over the Ethernet. First, both VDPs register on GK. The caller sets up the connection to a callee using H.225. Then, they exchange capabilities, and define Master/slave and open logic channels to transmit media stream (both video and voice) using H.245. When the logic channels are open, the video and voice stream carried by RTP will transmit to the other end. At both VDP terminals, the following steps produce video and voice stream: acquisition, capture, compression and packet. At the same time, the terminal receives the stream sent by another person via RTP. Through repacking and decompression, the video and voice analog is displayed. Since VDP supports video compression of H. 263/H.264, and voice compression of G.711/ G.723.1, this demonstration will adhere to those guidelines. The video resolution is CIF format (CIF: pixels in NTSC, pixels in PAL). In GK mode, the caller must dial the callee s phone number. 6.2 Requirements PC Running GK Requirements Microsoft Windows(2000, XP) Open H.323 v VDP Requirements TMDSVDP64X-2 VDP main board TMDSVDP64X-2 VDP camera/screen panel Handset 12V DC power adapter with power cord Ethernet switch with power adapter The cables: 36

41 Video-In cable (camera/screen panel to main board) Video-Out cable (main board to camera/screen panel) 10/100 BASE-T category-5 Ethernet cable Auxiliary power cord (main board to camera/screen panel) 6.3 Installation and Connection Installation of VDP Install VDP units as instructed in Section VDP Main Board VDP Main Board Video out J11 switch J11 Video out Camera/ Screen panel Video In J6 Ethernet J8 handset GK Ethernet J6 J8 handset Video In Camera/ Screen panel Figure 7 Connect VDP units with each other and GK running on a Computer 6.4 Configuration VDP Configuration Configure VDP as instructed in section 2.2. Note: Voice Codec may be not in consonance with each other GK Mode should be set on enable; set GK IP and phone number Gatekeeper configuration See Appendix B: Gatekeeper (GK ) installation and configuration. 37

42 6.5 Demonstration execution 1. Connect all the signal cables and power cords as shown in Figure4. 2. Turn on the computer and run GK software. (refer to Appendix B: Gatekeeper (GK ) installation and configuration). 3. Connect the switch s power adapter into an electrical power outlet. 4. Connect the plug end of 12V DC power adapter cord into an electrical power outlet. When the VDP units are properly connected and powered up, the four green activity LEDs on the main board should flash to indicate initialization. In a few seconds, the initialization results will be displayed on the screen for a few seconds. The video loop back will be on. Check the register information about VDP on the computer that runs GK software 5. Press the menu button for VDP configuration as instructed in section Call either VDP or Netmeeting by dialing the callee s IP number. Press the Hook button to dial the callee s IP number. The callee will press the Hook button and pick up the phone receiver so both can talk and see each other. 7. Finish the call any time by pressing Hook at either of the VDPs. 7 Upgrade Software 7.1 Automatically Upgrade Mode The VDP has the ability to upgrade new software versions automatically. It downloads the new software version from the FTP Server via FTP, and then burn the code into Flash. If the switch under the keypad on the right side of the VDP main board is on, the VDP will automatically get into the Upgrade Software mode. The procedure is as follows: 1. Login to FTP server where the IP Address and password are configured. 2. VDP check the version number. If the version is higher (newer version), start FTP to download; otherwise exit the upgrade page. 3. After download is completed, the burning will begin. Automatic Update Step Step1 Turn on the upgrade switch. 38

43 Step2 Set up FTP Server IP and Password. In the main menu, press the or button to move the cursor on FTP Server and then press Enter button to go to FTP Server setup. The menu is shown below. FTP Server Server Route Username Password Press the or button to move the cursor on the item you want to re-configure, press digit and * button to input. For example, if you want to input IP : , you should dial 203*86*76*171, and then press Enter button to confirm your input. Press Backspace button to modify your input and press Esc to cancel your input and keep the original setting. Step2 Step3 Restart the device. After restart, the following information will be displayed on the screen: Connect FTP Srv FTP download **% Burn Flash **% Complete Turn off the update switch. Now your VDP has the new version to run. 39

44 S-Video out Video out Ethernet port Video in 2 Line Line Mic out in in Hand set JTAG Video in 1 UART Reset Boot mode Camera/Screen Panel Ø To Ethernet Switch From Camera Videophone Development Platform SV-2000A Top of Main Board F1 F2 F3 Hook F1 F2 F3 Hook Esc Menu Back space *. 0 Enter Videophone Development Platform Auxiliary power from mainboard refer to Figure 3 upgrade switch Handset Figure 8 VDP s upgrade switch 7.2 Manual Update Mode See Appendix C: Manual Upgrade of VDP software 40

45 Appendix A: Microsoft Netmeeting Configuration 1. Run Net-meeting on your computer, and click Tools to configure. Figure 9 Net-meeting configuration 2. Click on Options for configuration details. Voice codec, Video quality and gatekeeper can be configured in this window. 41

46 3. Click Audio for voice configuration Figure 10 General configuration Figure 11 Audio configuration 42

47 4. Click Advanced Compression Settings to choose voice codec Figure 12 Voice codec configuration 5. Click Video for video quality Configuration Figure 13 Video configuration 43

48 6. Click Advance Calling under general tab to choose whether to place calls in a gatekeeper mode. If you choose Use a gatekeeper to place calls, IP address and phone numbers have to be set. Figure 14 Advanced Calling configuration Appendix B: Gatekeeper (GK ) Installation and Configuration: OpenH323 Gatekeeper-the GNU Gatekeeper Extract the zip file attached in the CD to the directory you like. For example: Figure 15 GK directory Double click gkrun.bat in \openh323gk\bin and the GK will begin working on your computer. The window pop-up is shown below. If the H.323 terminal is registered on GK, the information, e.g. the terminal's IP address or phone numbers, will be displayed. 44

49 If your computer is running on Windows, you can download a Windows Executable file vision (1.8M zip file) from Extract the downloaded zip file to the directory you like and create a config file for it. There are several config examples in \openh323gk\etc. For primary configuration, copy the compelet.ini file in \openh323gk\etc to \openh323gk\bin, and rename it as gatekeeper.ini. Double-click gnugk.exe in \openh323gk\bin and the GK will begin working on your computer. The window pop-up is shown below. Figure 16 Interface of GK For advanced configuration, please see reference in \openh323gk\docs\manual-4.html 45

50 Appendix C: Manually Upgrade of VDP Software Burn a DSP Application 1. Set up Code Composer Studio to communicate with your hardware. Note: In order to invoke the Code Composer Studio easily, check to see if the dip-switch Boot Mode is set up as shown below. This sets the board to the no boot mode. When you finish burning the flash, restore the initial configuration. Switch 1 2 State Off Off Create a new.cdd file only when you first burn the.hex file to the flash memory. The next time you need to burn the same.hex file, you can simply open the previously saved.cdd file to complete the task. Boot Mode 46

51 2. Select Tools FlashBurn to invoke the FlashBurn utility's graphic interface. Figure 17 FlashBurn Tool 3. Select File New to create a new configuration document. The FlashBurn Configuration dialog appears. 47

52 Figure 18 Burn VDP Step 1 48

53 4. Enter the desired information into the dialog box as shown here. Figure 19 Burn VDP Step 2 5. Select File Save to save the.cdd file. 6. Select Program Download FBTC. When you create a new configuration document, you must download the FBTC. The file FBTC643.out is in vdp\vdp_userflashburn\flashburn. 49

54 Figure 20 Burn VDP Step 3 7. Select Program Erase Flash to erase your Flash memory. 8. Select Program Program Flash to burn your program into Flash memory. 9. Select File Close to exit. Burn Bootloader 1. Select File New to create a new configuration document. The FlashBurn Configuration dialog appears. 50

55 Figure 21 Burn Bootloader Step 1 2. Enter the desired information into the dialog as shown here. 51

56 Figure 22 Burn Bootloader Step 2 3. Select File Save to save the.cdd file. 4. Select Program Download FBTC. When you create a new configuration document, you must download the FBTC. The file FBTC643.out is in vdp\vdp_userflashburn\flashburn. 52

57 Figure 23 Burn Bootloader Step 3 5. Select Program Program Flash to burn your program into Flash memory. 6. Select File Close to exit. Burn software for online upgrade 1. Select File New to create a new configuration document. The FlashBurn Configuration dialog appears. 53

58 Figure 24 Burn FTP Step 1 2. Enter the desired information into the dialog as shown here. 54

59 Figure 25 Burn FTP Step 2 3. Select File Save to save the.cdd file. 4. Select Program Download FBTC. When you create a new configuration document, you must download the FBTC. The file FBTC643.out is in vdp\vdp_userflashburn\flashburn. 55

60 Figure 26 Burn FTP Step 3 5. Select Program Program Flash to burn your program into Flash memory. 6. Select File Close to exit. 56