Media

[English]

1. Function Overview

To facilitate the verification of the camera peripheral functions, a series of CLI commands have been designed. These mainly include camera on/off, H264 pipeline encoding on/off, and image stream reading tests.

2. Code Path

Path: ap/components/multimedia/cli/media_cli.c

3. CLI Command Introduction

The supported commands are as follows:

  1. media uvc open
    • Function Description

      Used to test whether opening UVC is normal.

    • Command Format

      media uvc open param1 [param2] [param3]

    Param

    value

    param1

    the port id of usb(hub), range: [1, 3]

    param2

    resolution, optional param, reference struct: meida_ppi_t, default 640X480

    param3

    image format, optional param, output image fmt(h264/h265/yuv/enc_yuv/dual), defalt mjpeg
    • Test Case

      Test if UVC on port 1 can output an 864X480 MJPEG image stream normally: media uvc open 1 864X480

  2. media uvc close
    • Function Description

      Used to test the UVC shutdown function on a specific port.

    • Command Format

      media uvc close param1

    Param

    value

    param1

    the port id of usb(hub), range: [1, 3]
    • Test Case

      Close UVC on port 1: media uvc close 1

  3. media dvp open
    • Function Description

      Used to test whether opening DVP is normal.

    • Command Format

      media dvp open [param1] [param2] [param3]

    Param

    value

    param1

    resolution, optional param, reference struct: meida_ppi_t, default 640X480

    param2

    image format, optional param, output image fmt(h264/h265/yuv/enc_yuv/dual), defalt mjpeg
    • Test Case

      Test if DVP can output 864X480 H264 & YUV image streams normally: media dvp open 864X480 h264 enc_yuv

  4. media dvp close
    • Function Description

      Used to test the DVP shutdown function.

    • Command Format

      media uvc close

    • No parameters

    • Test Case

      Close DVP: media dvp close

  5. media pipeline h264_open
    • Function Description

      Used to test the enabling of the pipeline H264 encoding function.

    • Command Format

      media pipeline h264_open

    • No parameters

    • Test Case

      Enable H264 pipeline encoding: media pipeline h264_open

  6. media pipeline h264_close
    • Function Description

      Used to test the disabling of the pipeline H264 encoding function.

    • Command Format

      media pipeline h264_close

    • No parameters

    • Test Case

      Disable H264 pipeline encoding: media pipeline h264_close