Texas Instruments TMS320DM6446 DVEVM v2.0 manual Running the Demos from the Command Line

Page 29

Running the Demos from the Command Line

The supported video algorithms are MPEG4 (.mpeg4 file extension),

H.264 (.264 file extension) and MPEG2 (.m2v file extension).

The supported audio algorithm is AAC (.aac file extension). The supported speech algorithm is G.711 (.g711 file extension).

Table 3–3 IR Remote Buttons for Decode Demo

IR Remote Button

Mode

Action Performed

 

 

 

Up/Down

--

-- no action --

Left/Right

Setup

Select a different file combination

Play or OK

Setup

Begin decode demo

Record

--

-- no action --

Info/Select

Setup

Show / hide block diagram for demo

Info/Select

Run

Toggle information display

Left/Right

Run

Change information transparency level

Pause

Run

Pause demo (press Play to resume)

Stop

Setup / Run

Return to previous screen

 

 

 

The application runs on the ARM using Linux. The video and audio signals are passed to decoders on the DSP by the Codec Engine. Shared memory is used when passing data.

To use this demo from the command line, see Section 3.4, Running the

Demos from the Command Line.

3.3.5About the Third Party Menu

The Third-Party Menu can be used to add additional demos. See Section

A.2, Putting Demo Applications in the Third-Party Menu.

3.4Running the Demos from the Command Line

You can run the demo applications from the Linux shell in a terminal window connected to the EVM board’s serial port. These are the same demos described in Section 3.2, Starting the Standalone Demos.

1)See Section 2.2, Connecting to a Console Window for instructions regarding communicating with Linux running on the EVM.

2)Login to the target as root. No password is required.

Running the Demonstration Software

3-9

Image 29
Contents TMS320DM6446 Dvevm Getting Started Guide Important Notice Evaluation BOARD/KIT Important Notice FCC Warning About This Guide PrefaceNotational Conventions Contents Contents Dvevm Overview Welcome What’s in this Kit? What’s on the Board? EVM Hardware Block DiagramWhat’s Next? Page EVM Hardware Setup Setting Up the Hardware EVM Hardware Setup Setting Up the Hardware Setting Up the Hardware Connecting to a Console Window Running the Demonstration Software Starting the Standalone Demos Default Boot ConfigurationStarting the Standalone Demos Running the Standalone Demos Shutting Down the Demos IR Remote Buttons for Encode + Decode Demo About the Encode + Decode DemoIR Remote Buttons for Encode Demo About the Encode DemoAbout the Decode Demo About the Third Party Menu Running the Demos from the Command LineTarget $ cd /opt/dvsdk/dm6446 Running the Network Demo Page Dvevm Software Setup Software Overview Command Prompts in This Guide Dmai Software ComponentsInstalling the Software Preparing to InstallInstalling the Target Linux Software Installing the Dvsdk Software Installing the A/V Demo Files Exporting a Shared File System for Target Access Installing the SoC AnalyzerVerify that the server firewall is turned off EVM # setenv nfshost ip address of nfs host Testing the Shared File SystemConfiguring the Boot Setup for PAL Video Users Writing a Simple Program and Running it on the EVM Setting Up the Build/Development EnvironmentBuilding a New Linux Kernel Enable Linux Trace Toolkit Support as built-in Rebuilding the Dvevm Software for the Target EVM # setenv serverip tftp server ip address Booting the New Linux KernelUsing the Digital Video Test Bench Dvtb Testing the Build EnvironmentRelease Notes User Guide Running The SoC Analyzer Documentation for Dvsdk Components Documentation for DSP-Side DevelopmentXDAIS-DM Digital Additional Procedures Changing the Video Input/Output Methods Using S-Video InputOUT Using S-Video OutputPr Pb Using Component Video OutputPutting 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 the EVM’s Hard Drive File System Alternate Boot MethodsBooting via Tftp Using the EVM’s Hard Drive File System Booting via Tftp Using NFS File System Booting from Flash Using NFS File SystemRebuilding DSP/BIOS Link Restoring and Updating the EVM Hard Disk Drive System SetupConfigure EVM for NFS Root Mount Restoring From Target EVM HDD Partition Restore the EVM Hard Disk DriveRestoring From Host Linux Workstation File System Go to the /restore directory Index Index--2 Index--3 Index--4 Page Spectrum Digital, Inc 508168-0001C