SPRAD86A March   2023  – May 2024 AM62A3 , AM62A3-Q1 , AM62A7 , AM62A7-Q1 , AM68A , AM69A

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1 Introduction
  5. 2 Tuning Overview
  6. 3 Hardware Requirement
  7. 4 Software Requirement
    1. 4.1 Processor SDK Linux
    2. 4.2 TI's Reference Imaging Software
    3. 4.3 ISP Tuning Tool
  8. 5 Sensor Software Integration
    1. 5.1 Overview of Image Pipeline Software Architecture
    2. 5.2 Adding Sensor Driver to SDK
    3. 5.3 Updating TIOVX Modules
      1. 5.3.1 Source Code Change
      2. 5.3.2 Rebuild Modules
    4. 5.4 Update GStreamer Plug-in for VISS
      1. 5.4.1 Update VISS Plug-in Property
      2. 5.4.2 Add Exposure Setting for 2A Algorithm
        1. 5.4.2.1 Gain
        2. 5.4.2.2 Exposure Time
        3. 5.4.2.3 Other Parameters
      3. 5.4.3 Rebuild Plug-ins
      4. 5.4.4 Verify New Sensor in GStreamer Plug-in
  9. 6 Tuning Procedure
    1. 6.1 Verify Functional Operation of Camera Capturing
    2. 6.2 Enable Camera Streaming With Initial VPAC Configuration
      1. 6.2.1 Generate Configuration Files
      2. 6.2.2 Generate DCC Binary Files
      3. 6.2.3 Stream Video With the Initial Configuration
    3. 6.3 Adjust Camera Mounting
  10. 7 Perform Basic Tuning
    1. 7.1 Launch the Tuning Tool and Create a Project
    2. 7.2 Tuning Order
    3. 7.3 Black Level Subtraction
    4. 7.4 Hardware 3A (H3A)
    5. 7.5 PCID
    6. 7.6 Auto White Balance (AWB)
      1. 7.6.1 Capture Raw Images for Different Lighting Conditions
      2. 7.6.2 Tuning AWB
    7. 7.7 Color Correction
  11. 8 Perform Fine Tuning
    1. 8.1 Edge Enhancement (EE)
    2. 8.2 Noise Filter 4 (NSF4)
  12. 9 Live Tuning
    1. 9.1 Requirements
    2. 9.2 Supported Features
      1. 9.2.1 RAW Capture
      2. 9.2.2 YUV Capture
      3. 9.2.3 Live DCC Update
      4. 9.2.4 Exposure Control
      5. 9.2.5 White Balance Control
      6. 9.2.6 Sensor Register Read/Write
  13. 10Summary
  14. 11Revision History

6.2.3 Stream Video With the Initial Configuration

Copy the DCC binary files generated in the previous step to the file system on the AM62A SK EVM, in the /opt/imaging/<camera> folder. For example, IMX219 has the following pre-built binary files in the SDK:

root@am62axx-evm:~# ls /opt/imaging/imx219/linear
dcc_2a_10b_1920x1080.bin dcc_viss_10b_1920x1080.bin

Then use the media-ctl command to set the camera format consistent with the properties in the initial configuration file, and run live streaming:

root@am62axx-evm:~# media-ctl -V '"imx219 4-0010":0 [fmt:SRGGB10_1X10/1920x1080 field:none]'

root@am62axx-evm:~# gst-launch-1.0 v4l2src device=/dev/video-imx219-cam0 io-mode=dmabuf-import ! \
video/x-bayer, width=1920, height=1080, framerate=30/1, format=rggb10 ! \
tiovxisp sink_0::device=/dev/v4l-imx219-subdev0 \
sensor-name="SENSOR_SONY_IMX219_RPI" \
dcc-isp-file=/opt/imaging/imx219/dcc_viss_10b.bin \
sink_0::dcc-2a-file=/opt/imaging/imx219/dcc_2a_10b.bin format-msb=9 ! \
video/x-raw, format=NV12, width=1920, height=1080, framerate=30/1 ! \
kmssink driver-name=tidss sync=false

Even though the image quality is not fully tuned when using the initial configuration, this can validate that the GStreamer plug-ins for the ISP are working properly for the new sensor. The output video gives the correct output color (although not yet tuned) and properly exposed video. This can also make it easier to adjust camera mounting in next step.