Why Android kernel ?
- An Android kernel is a mainstream Linux kernel, with additional drivers for the specific device, and other additional functionality, such as enhanced power management and faster graphics support.
- Many features in the Android kernel are later added to upstream Linux after the open-source community has accepted.
- When compared to Linux kernel, the Android common kernel has 355 changes, 32266 insertions, and 1546 deletions (as of February 2018).
- Android kernel is more popular and has more footprints compared to linux kernel which leads to more support world-wide
- SOC vendor supporting android kernel doesn’t need to work to provide linux kernel support to bring in RDKV stack.
Repo Setup:
- repo init -u https://code.rdkcentral.com/r/manifests -b dunfell -m rdkv-nosrc.xml
- repo sync -j `nproc` --no-clone-bundle --no-tags
Build Instructions:
- MACHINE=raspberrypi4-64-rdk-android-mc source meta-cmf-raspberrypi/setup-environment
- bitbake lib32-rdk-generic-mediaclient-wpe-image
Validated functionalities
| Status: ✓ - Working x - Not Working O - Partially Working | ||||
| SL No. | Tested Contents | Apps and Features | Results | Remarks |
| 1 | Basic Tests | ssh connection | ✓ | Connection is successful |
| 2 | Default UI | ✓ | UI is coming up consistently. | |
| 3 | Time | ✓ | ||
| 4 | Featured Content | YouTube | ✓ | YouTube is launching, Playback is happening. |
| Xumo | ✓ | |||
| 5 | Lightning Apps | CNN Vimeo | ✓ | 1.AV playback is fine 2.Forward is working fine. 3.Next content playback is working fine. |
| 6 | Featured Video on Demand | Fantasy-Island | ✓ | Playback is working fine |
| 7 | Playback | gst-launch | x | AV playback is not working through gst-launch Tested URL: > gst-launch-1.0 playbin uri=aamp://bitdash-a.akamaihd.net/content/MI201109210084_1/m3u8s/f08e80da-bf1d-4e3d-8899-f0f6155f6efa.m3u8 video-sink=westerossink > gst-launch-1.0 playbin uri=aamp://bitdash-a.akamaihd.net/content/sintel/hls/playlist.m3u8 video-sink=westerossink |
| 8 | aamp-cli | x | AV playback is not working for all streams except bipbop Tested URL: > http://devimages.apple.com/iphone/samples/bipbop/bipbopall.m3u8 → WORKING > http://bitdash-a.akamaihd.net/content/MI201109210084_1/m3u8s/f08e80da-bf1d-4e3d-8899-f0f6155f6efa.m3u8 > http://bitdash-a.akamaihd.net/content/sintel/hls/playlist.m3u8 | |
| 9 | Settings | BT | X | BT connection is not working. It shows pairing failed |
| 10 | Wi-Fi | ✓ | Wifi Connected :
| |
| 11 | Plugins | HTMLApp | ✓ | |
| 12 | LightningApp | ✓ | ||
| 13 | Search And DiscoveryApp | ✓ | ||
| 14 | Webkitbrowser | ✓ | ||
| 15 | Cobalt | ✓ | ||
References:
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