SDMC DV8919 Amlogic S905X4 Android TV 10 TV Box Supports AV1 Decoding

We’ve previously covered several TV box & set-top box SoCs with support for the royalty-free AV1 video codec including Broadcom BCM7218X SoC, and Amlogic S805X2, S905X4, and S908X processors.

But so far, apart from an AV1 demo on the RTD1311/RTD1319 development board (Pymparticle EVB?), and new about Technicolor Jade STB, I had not really seen AV1-capable TV boxes so far. SDMC DV8919 appears to be the first Amlogic S905X4 TV box on the market and one of the first running the recently released Android 10 on Android TV OS.Amlogic S905X4 TV Box

SDMC DV8919 specifications:

  • SoC – Amlogic S905X4 quad-core Arm Cortex-A55 processor @ up to 2.0 GHz with Arm Mali-G31MP2 supporting OpenGL ES3.2, Vulkan 1.1 and OpenCL 2.0
  • System Memory – 2GB DDR memory (options: 1GB or 4GB)
  • Storage – 8GB eMMC flash (options: 16GB, 32GB, 64GB), MicroSD card slot
  • Video
    • Output – HDMI 2.1 up to 4K @ 60+Hz with CEC & HDCP2.2, AV output with composite video
    • Input – HMDI input (TBC)
  • Audio – Analog stereo audio via AV output, digital audio via HDMI, and optical S/PDIF
  • Video Playback
    • Codecs
      • AV1 up to 4K @ 120 fps
      • H.265 HEVC MP-10 up to 4K @ 75fps
      • VP9 up to 4K @ 75fps
      • AVS2-P2 up to 4K @ 75fps
      • H.264 AVC up to 4K @ 30fps
      • MPEG1/2/4 ASP, WMV/VC-1, RealVideo8/9/10,
    • HDR – HDR 10, HLG, PRIME HDR, TCH PRIME, options HDR10+, optional Dolby Vision
    • DRM – Google Widevine & Microsoft PlayReady; options: Verimatrix, Irdeto MSR2.2, Nagra TKL
  • Connectivity – 10/100M Ethernet (optional Gigabit Ethernet), Wi-Fi 5 802.11 a/b/g/n/ac MiMO, Bluetooth 4.2
  • USB – 1x USB 3.0 port, 1x USB 2.0 port
  • Misc – Power button; Power, IR & Network LEDs; IR receiver
  • Power Supply – 5V/2A via DC jack
  • Dimensions – 120 x 120 x 28mm

Android 10 TV BoxThe HDMI input can be seen in the photo, but it is not listed in the specifications published by the company, so this would have to be confirmed.

DV8919 4K OTT TV Box runs on Android TV 10  OS (aka Android 10 on Android TV) and is pre-certified for both Android TV and Netflix. It won’t be for end-users however as hinted by the DRM options in the specs, and instead, the TV box was designed for telecom, broadcasting and Pay TV operators.

This also means the UI does not have to use the stock launcher, and a so-called Android TV operator-tier launcher can be integrated into the firmware instead. The company also mentions their XMediaTV platform for customizations targetting operators.

Recommended accessories for DV8919 TV bo include a Bluetooth voice remote control, user manual, a power adapter,  and an HDMI cable. Visit the product page for further details, and/or to contact sales.

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Diego
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Diego

Just remembering the time when a good cpu was all we needed to play videos. Nowadays with every new codec one needs new hw…

toggleton
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toggleton

You can Play/Decode Av1 videos with Dav1d 1080p(30fps-8bit) on most Hardware(arm64,x86). But we are looking here on a device that will use~10watt and will support 4K Decoding of a lot codecs in Hardware

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I think @Diego was referring to decoding in hardware, but phrased it as requiring new hardware

Diego
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Diego

I thought back to the time when cpus were fast enough to decode whatever current (at the time) codec like mpg2, divx etc. Nowadays if im having a tv box it does h264 next generation of silicone h265 third iteration now includes av1…

Of course you can do all in sw too, but at a certain premium.

Willy
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Willy

It’s not exactly how it works. The reality is that the amount of generic CPU power needed to decode such high-end streams is huge and would require a big expensive CPU with a big cooling block like in any PC. Instead, most vendors focus on low-power generic CPUs to run average tasks and make them able to access such high-end streams via optional hardware accelerators. From a price and power consumption perspective, it’s really nice. From a device durability perspective it’s indeed a disaster. But let’s be honest, how often do these video standards change ? If they don’t change more often than you replace your device it’s no big deal. But it’s true that compared to the analog era where you would keep your video recorder for 20 years and remain able to view your records for even longer, it’s different.

The main concern I’m having with such devices is that the IP they have to include to support hardware acceleration is specific to each encoding algorithm, and that comes with a cost. As such it’s very likely that after a few years, new devices will be unable to decode older streams. This tells a lot about the durability of the data themselves :-/