ODROID N2 Series User Manual

2023/05/01 12:27 1/2 How to change the camera encoder
ODROID Wiki - https://wiki.odroid.com/
'ODROID-N2' on this page refers to the ODROID-N2 series
(N2, N2+, N2L).
The H.265(HEVC) codec is supported only 4Gb RAM model.
If you set HEVC your 2Gb RAM N2 model, It has a plobme for playback.
How to change the camera encoder
The ODROID-C4/N2 support the H.265(HEVC) and H.264(AVC) codec Encoder.
And you can select the codec for video capturing by Camera on the Android.
Also you can customize your own settings to capture Camera's video & audio codecs.
MAIN
Please following the commands on the ODROID-C4/N2 board.
target
$ cd /odm
$ vi default.prop
And change the configuration xml file name of media.settings.xml.
Default Setting
...
media.settings.xml=vendor/etc/media_profiles_V1_0_h264.xml
...
Codec Selection table
Video codec / Audio codec path
H.264(AVC)/ACC /vendor/etc/media_profiles_V1_0_h264.xml
H.265(HEVC)/ACC /vendor/etc/media_profiles_V1_0_hevc.xml
H.264(AVC)/ARMWB /system/etc/media_profiles_V1_0.xml
If you have ODROID-N2/N2+ with 4Gbyte RAM, Edit /odm/env.ini
target
$ cd /odm

ODROID N2 Series Specifications

General

Processor	Amlogic S922X
RAM	2GB or 4GB
Storage	MicroSD card slot
USB Ports	4 x USB 3.0, 1 x USB 2.0
Video Output	HDMI 2.1 (4K@60Hz)
Audio Output	HDMI, 3.5mm audio jack
Network	Gigabit Ethernet
Wireless	Optional via USB dongle or expansion module
GPIO	40-pin header
Power Supply	12V/2A DC
Dimensions	90mm x 90mm
Operating System	Ubuntu, Android
GPU	Mali-G52 MP6 (6 cores)

Summary

How to change the camera encoder

ODROID-N2 Series Identification

Clarifies that 'ODROID-N2' designation includes N2, N2+, and N2L models.

HEVC Codec RAM Requirement

Warns that H.265(HEVC) codec requires 4GB RAM for proper playback, otherwise playback issues occur.

Main Configuration Commands

Guides users to change encoder settings by executing commands like `cd /odm` and editing `default.prop`.

Default Codec Settings

Shows the default configuration line for media.settings.xml, specifying the H.264 profile.

Codec Selection Table

Lists video/audio codecs (H.264, H.265) and their corresponding configuration file paths.

Environment Configuration for 4GB RAM

Instructs users with 4GB RAM ODROID-N2/N2+ models to edit the `/odm/env.ini` file.

Customizing Codec Selection

Explains how to customize codec selection by editing `media_profiles.xml`, noting hardware vs. software encoding.

Supported Codecs and Containers

Lists supported video codecs (H.263, H.264, H.265) and audio codecs, plus default containers (3gp, mp4).