Texas Instruments TMS320DM357 DVEVM v2.05 manual Using the Digital Video Test Bench Dvtb

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Using the Digital Video Test Bench (DVTB)

4.9Using the Digital Video Test Bench (DVTB)

The Digital Video Test Bench (DVTB) is a Linux utility that was developed to execute end-to-end data flows using the DVSDK for any platform. DVTB uses the Codec Engine VISA APIs and Linux driver peripheral APIs to encode and decode video, image, audio and speech streams.

Using DVTB, you can configure codecs and/or peripherals before starting a data flow. This enables you to try different use case scenarios and evaluate the system.

The DVSDK installation places DVTB in the /home/<useracct>/dvsdk_#_#/dvtb_#_#_# directory, where #_#_# is the DVTB version number.

To install DVTB to the target file system, perform the following steps on the host machine where the DVSDK has been installed:

1)Make sure the Rules.make file defines PLATFORM correctly as described in Section 4.6.

2)Perform the following commands:

host $ cd /home/<useracct>/dvsdk_#_#/dvtb_#_#_#

host $ make clean CONFIGPKG=dm357

host $ make CONFIGPKG=dm357

3)Copy the binaries "dvtb-d" and "dvtb-r" to /opt/dvsdk/dm357 on the device’s target filesystem and run it there. It must be in the same directory as the DSP executables.

For further details on the DVTB, see the following documents:

Release Notes.

/home/<useracct>/dvsdk_#_#/dvtb_#_#_#/docs/dvtb_release_notes.pdf

User Guide..

/home/<useracct>/dvsdk_#_#/dvtb_#_#_#/docs/dvtb_user_guide.pdf

DVEVM Software Setup

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Contents TMS320DM357 Dvevm Getting Started Guide Important Notice Evaluation BOARD/KIT Important Notice FCC Warning About This Guide PrefaceTrademarks Contents Contents Dvevm Overview What’s in this Kit? DM357 What’s on the Board?What’s Next? EVM Hardware Setup Setting Up the Hardware Audio In P3 Audio Out P5 Composite Video Out J8 Uart P6 Connecting to a Console Window Running the Demonstration Software Starting the Standalone Demos Default Boot ConfigurationStarting the Standalone Demos Starting the Standalone Demos Running the Standalone Demos Shutting Down the Demos About the Encode Demo About the Encode + Decode DemoIR Remote Buttons for Encode Demo IR Remote Buttons for Decode Demo About the Decode DemoRunning the Demos from the Command Line Running the Network Demo Page Dvevm Software Setup Software Overview Command Prompts in This Guide Software Components ApplicationPreparing to Install Installing the Target Linux Software Installing the SoftwareInstalling the Dvsdk Software Exporting a Shared File System for Target Access Installing the A/V Demo FilesSwitch user to root on the host Linux workstation EVM # setenv nfshost ip address of nfs host Testing the Shared File SystemInstalling the Software Writing a Simple Program and Running it on the EVM Setting Up the Build/Development EnvironmentBuilding a New Linux Kernel Compile the kernel using the following commandRebuilding the Dvevm Software for the Target Building with DSPLink EVM # setenv serverip tftp server ip address Booting the New Linux KernelUsing the Digital Video Test Bench Dvtb Page Additional Procedures Ntsc Changing the Video Input/Output MethodsPutting Demo Applications in the Third-Party Menu File filename.tar.gz You should see the following output Setting Up a Tftp ServerBooting from Flash Using Board’s Nand Flash File System Alternate Boot MethodsBooting from Flash Using NFS File System Booting via Tftp Using Board’s Nand Flash File SystemBooting via Tftp Using NFS File System Updating U-Boot Using U-Boot Updating/Restoring the BootloadersTo assign a dynamic address, use the following Updating/Restoring the Bootloaders Updating the Kernel Restoring the Nand FlashRestoring the Nand Flash Using NFS Restoring the Nand Flash Using RAM Disk and a 2 GB SD Card EVM # tar xf /mnt/mmc/dm357flashimage####.tar EVM # cd Page NFS IndexIndex--2 Index--3 Spectrum Digital, Inc 511458-0001B