Homatics Box R 4K Plus

I’m using a Dune Homatics Box R 4K Plus (S905X4) and have been running CoreELEC-Amlogic-ng.arm-21.2-Omega_nightly_20250805 from USB. Everything worked flawlessly when my box was on Android TV 12 .

However, after updating the internal Android to ATV 14 (v14.8.2463), CoreELEC still boots fine, but Dolby Vision (DV) and HEVC TrueHD movies are throwing this error:

when i click on play, it just shows loaders and spins continuously.

  • I’m using the correct DTB (sc2_s905x4_sei_smb_280.dtb) and also tried sc2_s905x4_4g_1gbit.dtb

Would appreciate any help or workarounds (including stable Android 12 firmware links if needed).

Does ATV Version Running On Dune Have Any Affect on Coreelec ? or its independent

Thanks in advance!

Full Log

2025-08-05 19:48:09.150 T:7145     info <general>: CDVDVideoCodecFFmpeg::Open() Using codec: HEVC (High Efficiency Video Coding)
2025-08-05 19:48:09.767 T:3975     info <general>: VideoPlayer::OpenFile: /var/media/MyUSB/Ready.Player.One.2018.Multi.UHD.2160p.Bluray.x265.HDR.Atmos.7.1-DTOne/Ready.Player.One.2018.Multi.UHD.2160p.Bluray.x265.H
DR.Atmos.7.1-DTOne.mkv
2025-08-05 19:48:09.768 T:7207     info <general>: Creating InputStream
2025-08-05 19:48:09.791 T:7207     info <general>: Creating Demuxer
2025-08-05 19:48:09.862 T:7207     info <general>: Opening stream: 0 source: 256
2025-08-05 19:48:09.862 T:7207     info <general>: Creating video codec with codec id: 173
2025-08-05 19:48:09.862 T:7207     info <general>: CBitstreamConverter::Open bitstream to annexb init
2025-08-05 19:48:09.864 T:7207     info <general>: DVDVideoCodecAmlogic: Opened Amlogic Codec
2025-08-05 19:48:09.864 T:7207     info <general>: Creating video thread
2025-08-05 19:48:09.864 T:7209     info <general>: running thread: video_thread
2025-08-05 19:48:09.865 T:7207     info <general>: Opening stream: 1 source: 256
2025-08-05 19:48:09.865 T:7207     info <general>: Finding audio codec for: 86060
2025-08-05 19:48:09.865 T:7207     info <general>: CDVDAudioCodecFFmpeg::Open() Successful opened audio decoder truehd
2025-08-05 19:48:09.865 T:7207     info <general>: OpenStream: Allowing max Out-Of-Sync Value of 50 ms
2025-08-05 19:48:09.865 T:7207     info <general>: Creating audio thread
2025-08-05 19:48:09.866 T:7210     info <general>: running thread: CVideoPlayerAudio::Process()
2025-08-05 19:48:09.866 T:7207     info <general>: Opening stream: 6 source: 256
2025-08-05 19:48:09.868 T:7209     info <general>: CDVDVideoCodecAmlogic::AddData: Open decoder: fps:24000/1001
2025-08-05 19:48:09.868 T:7209     info <general>: CAMLCodec::OpenDecoder Amlogic device does support DV, DV is enabled by user, display does support DV, DV system is disabled
2025-08-05 19:48:09.876 T:7210     info <general>: Creating audio stream (codec id: 86060, channels: 8, sample rate: 48000, no pass-through)
2025-08-05 19:48:09.877 T:4008     info <general>: CActiveAESink::OpenSink - initialize sink
2025-08-05 19:48:09.877 T:4008     info <general>: CAESinkALSA::Initialize - Configure simple control for "AUGESOUND"
2025-08-05 19:48:09.878 T:4008     info <general>: CAESinkALSA - Use card "hw:0" and set codec format "2 CH PCM"
2025-08-05 19:48:09.882 T:4008     info <general>: CAESinkALSA - Set Spdif to HDMITX to "Spdif_b"
2025-08-05 19:48:09.882 T:4008     info <general>: CAESinkALSA - Set codec for "Audio spdif_b format"
2025-08-05 19:48:09.882 T:4008     info <general>: CAESinkALSA - Set codec for "Audio spdif format"
2025-08-05 19:48:09.882 T:4008     info <general>: CAESinkALSA::Initialize - Attempting to open device "hdmi:CARD=AMLAUGESOUND,DEV=0"
2025-08-05 19:48:09.893 T:4008     info <general>: CAESinkALSA::Initialize - Opened device "hdmi:CARD=AMLAUGESOUND,DEV=0,AES0=0x04,AES1=0x82,AES2=0x00,AES3=0x02"
2025-08-05 19:48:09.893 T:4008     info <general>: CAESinkALSA::InitializeHW - Your hardware does not support AE_FMT_FLOAT, trying other formats
2025-08-05 19:48:09.893 T:4008     info <general>: CAESinkALSA::InitializeHW - Using data format AE_FMT_S16NE
2025-08-05 19:48:17.607 T:7209    error <general>: CAMLCodec::GetPicture: time elapsed since last frame: 7739ms (11:Resource temporarily unavailable)
2025-08-05 19:48:23.247 T:7209    error <general>: CAMLCodec::GetPicture: time elapsed since last frame: 5088ms (11:Resource temporarily unavailable)
2025-08-05 19:48:28.263 T:7209    error <general>: CAMLCodec::GetPicture: time elapsed since last frame: 5012ms (11:Resource temporarily unavailable)
2025-08-05 19:48:33.283 T:7209    error <general>: CAMLCodec::GetPicture: time elapsed since last frame: 5017ms (11:Resource temporarily unavailable)
2025-08-05 19:48:38.515 T:7209    error <general>: CAMLCodec::GetPicture: time elapsed since last frame: 5227ms (11:Resource temporarily unavailable)