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Introduction

• This page dedicated to bringing up and validation of CVR functionality in R-Pi Zero.
• CVR supporting 24/7 video recording support.It will store capturing content into local rpi device in TS format.

Build and Flash Procedure

Refer below link to build camera image

Morty:

RDK-C Build Instruction for RPI-0

RDK-C Build Instruction for RPI-3

Dunfell:

RDK-C rdk-next Yocto 3.1 dunfell build for Raspberrypi

CVR Validation Procedure

STEP 1:

Add require SSID and PSK in /etc/wpa_supplicant.conf file in below format

network={

ssid="username"

psk="password"

}

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STEP 2:

Reboot the Target

After Reboot don't do step 1 and 2.

Note : Step 1 & 2 is only applicable for fresh target boot-up with new image.

STEP 3:

WiFi connection is must needed for CVR validation for to move TS content from RPI device into local PC for to play TS content in VLC Player.

Check WiFi connection by using below command.

ifconfig

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STEP 4:

check loaded module by using below command

lsmod

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STEP 5:

check camera device there or not by using below command

ls /dev/video0

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STEP 6:

check mediastreamer binary running status in RPI by using below command

ps -Af | grep mediastreamer

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STEP 7:

Run CVR binary in background by using below command.

cvr_daemongst_kvs &

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STEP 8:

Check .ts file is available or not in /tmp/cvr folder in RPI device.

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STEP 9:

Move .ts file from /tmp/cvr/ folder into local PC with WiFi connection by using below command and Play .ts file in VLC player

scp root@WiFI_IP:/tmp/cvr/TS_FileName .

Example : scp root@192.168.2.70:/tmp/cvr/2020-03031:12:24:27.ts .

Demo - RDK Camera Continuous Video Recording (CVR) Support in RPI - 2020 - M3

Limitations

• Continuous Video Recording ( CVR ) feature can record content locally on R-Pi target.
• Need to support content upload feature to AWS.