Texas Instruments TMS320DM6446 DVEVM v2.0 User Manual

Page 29

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Running the Demos from the Command Line

Running the Demonstration Software

3-9

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).

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
.

3.3.5

About 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.

3.4

Running 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.

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

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