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Specification Features

Patrik Jakobsson edited this page 2015-08-31 23:10:01 +02:00

Table of Contents

• Specification / Features
• S2Lm specifications
• SoC
• Image processing
• Video processing
• Sensor and Video I/O
• Front End Sensor Processing

Specification / Features

The camera seems to be based on Ambarellas S2 series of IP cameras. Likely a nerfed version of the S2Lm. The power usage is said to be less than 500mW (is it possible to measure this from OSX somehow?).

S2Lm specifications

SoC

• ARM Cortex A9
• Ambarella image and video DSP
• DDR3/DDR3L up to 528MHz (128-256MB @ 450MHz on MacBook Air 6,2)
• 16-bit memory data bus
• NAND flash (SLC with ECC)
• Boot from SPI-NOR, SPI-EEPROM, NAND flash, USB or eMMC

Image processing

• 3D motion compensated noise reduction (MCTF)
• Adjustable AE/AWB/AF
• Wide angle lens distortion compensation
• High quality polyphase scalers
• Digital PTZ and Virtual Cameras
• OSD engine; overlays, privacy mask
• Crop, mirror, flip, 90°/270° rotation
• DC-iris and P-iris
• Defect pixel correction
• Chroma lens distortion correction
• Gamma compensation and color enhancement
• Backlight compensation

Video processing

• H.264 codec BP/MP/HP Level 5.1 and MJPEG
• 5 MPixels maximum resolution
• 3M@30 fps encoding performance
• Up to 4 simultaneous stream encodes
• Smart-AVC low bitrate/high quality encoding
• On-the-fly change of multiple encoding parameters
• Flexible GOP configuration with I, P and B frames
• Temporal Scalable Video Codec with 4 Layers (SVCT)
• Dynamic region of interest
• Multiple CBR and VBR rate control modes

Sensor and Video I/O

• RGB Bayer sensor port: 8-lane SLVS/MIPI/HiSPI
• 16-bit parallel
• BT.601/656/1120 video in and BT.656/1120 out
• 16-bit RGB out
• PAL/NTSC composite SD video out

Front End Sensor Processing

• 5 MPixels maximum resolution
• 240 MHz maximum pixel rate
• Lens shading, fixed pattern noise correction
• Multi-exposure HDR (line-interleaved sensors)
• WDR local exposure