The PCIe x8 Two-Channel 4K Capture Card from Magewell supports a resolution up to 4096 x 2160. It features two HDMI inputs and two HDMI loop-through outputs with embedded audio. It also features a PCIe Gen2 x8 host interface, a mounting hole, an LED status indicator, and a rotary switch. It has Windows and Linux SDK and includes Capture Express software.
Supported OS
Windows:
- Windows 7/8/8.1/10/Server 2008/Server 2008 R2/Server 2012/Server 2016 (x86 and x64)
Linux (support x86, x64, and ARM architecture):
- Ubuntu 12.04/14.04/16.04/17.04/17.10/18.04 (x86 and x64)
- CentOS 6.5/7 (x86 and x64)
- Fedora 25/26/27 (x86 and x64)
- Red hat 6.5 and above (x86 and x64)
- Other Linux OS with kernel version 2.6.35 and above
Mac:
- OS X 10.9/10.10/10.11
- macOS 10.12 and above
Recommended OS (Tested)
Windows:
- Windows 7 Ultimate/8.1 Enterprise/10 Enterprise/Server 2008 R2 DataCenter/Server 2012 R2 DataCenter/Server 2016 R2 DataCenter (x86 and x64)
Linux:
- Ubuntu 12.04/14.04/16.04 (x86 and x64)
- Ubuntu 17.04/17.10/18.04 (x64)
- CentOS 6.5/7.2 (x86 and x64)
- Fedora 25/26 (x64)
- Red hat 6.5 (x86 and x64)
Mac:
- OS X 10.9.5/10.10/10.11.2/10.11.3/10.11.4
- macOS 10.12/10.13.2/10.13.3/10.14.3
Supported APIs
- Windows:
- DirectShow
- DirectKS
- Wave API/DirectSound/WASAPI
- Linux:
- V4L2
- ALSA
Supported Software
- VLC
- VirtualDub
- OBS
- XSplit
- vMix
- VidBlaster
- Wirecast
- Microsoft Media Encoder
- Adobe Flash Media Encoder
- Any other DirectShow/V4L2 encoding/streaming software
HDMI Specific Features
- 594 MHz HDMI receiver
- Adaptive HDMI equalizer
- Support for customized EDID
- Support for extraction of AVI/Audio/SPD/MS/VS/ACP/ISRC1/ISRC2/Gamut/HDR/VBI InfoFrames
- Full colorimetry support
- Support for 8/10/12-bit color depths
- Support for RGB 4:4:4, YCbCr 4:4:4, and YCbCr 4:2:2 color sampling
- Support for up to 8-channel IEC60958/IEC61937 audio streams via SDK
- Support for extraction of audio formation information and channel status data
- Support for extraction of video timing information
- Support for extraction of 3D format information
- Support for extraction of Sony/Canon DSLR timecode
- Support for Side-by-Side Half, Top-and-Bottom, and Frame Packing 3D mode
- Support for HDR10
Video Capture Formats
- Support for capture image resolutions up to 4096 x 2160
- Support for capture frame rates up to 144 fps (Actual capture frame rate can be limited by PCIe bandwidth and image resolution)
- Support for 4:2:0 8-bit capture formats: NV12, I420, YV12
- Support for 4:2:2 8-bit capture formats: YUY2, YUYV, UYVY
- Support for 4:4:4 8-bit capture formats: V308, IYU2, V408, BGR24, BGR32
- Support for 4:4:4 10-bit capture formats: V410, Y410
- More capture formats are supported via Magewell Capture SDK for DirectKS
Video Processing Features
- Two video processing pipelines with 720MP processing bandwidth for each one
- Full 10-bit video processing
- Video cropping
- Video scaling
- Video deinterlacing
- Weave
- Blend top and bottom field
- Top field only
- Bottom field only
- Video aspect ratio conversion
- Auto or manual selection of input aspect ratio
- Auto or manual selection of capture aspect ratio
- Three aspect ratio conversion modes: Ignore (anamorphic), Cropping, or Padding (letterbox or pillarbox)
- Video color format conversion
- Auto or manual selection of input color format and quantization range
- Auto or manual selection of capture color format, quantization range, and saturation range
- Support for RGB, YCbCr 601, YCbCr 709, and YCbCr 2020 color formats
- Support for Limited or Full quantization range
- Support for Limited, Full, and 'Extended Gamut' saturation range
- Video frame rate conversion
- Video OSD composition
- Support for PNG OSD image (up to 4096 x 2160)
- Support for dynamic loading of RGBA OSD image via SDK
Multiple Cards per System
- Support for multiple cards plugged into one system
- Onboard rotary switch to set card number, with 16 positions from 0 to F
- System hardware device tree will display "01: Pro Capture Dual HDMI 4K+ LT" when rotary switch is set to 1, and so on
- The video and audio device names displayed in your software will include the card number (set by the rotary switch)
Multiple Capture Streams
- Unlimited capture streams for any one input channel
- Independent cropping, aspect ratio, color format, resolution, frame rate, deinterlacing, and color adjustment settings for each stream
Ultra Low Latency Support
- Latency of 64 video lines
- Partial notification mode in SDK
Timestamp and A/V Synchronization
- Hardware-based 100 ns high-resolution clock
- Audio frames (192 audio samples) and video frames are stamped with hardware clock
- Hardware clock can be synchronized across cards (via SDK)
Video Capture SG-DMA
- ~1600 MB/s per channel DMA bandwidth in PCIe 2.x system
- ~800 MB/s per channel DMA bandwidth in PCIe 1.x system
- Support for autodetection of Intel tiled GPU surface
- Support for DirectGMA for AMD video adapter chipsets
- Support for GPUDirect for NVIDIA video adapter chipsets
SDK
- Magewell Capture SDK for DirectShow for easy integration (Windows)
- Magewell Capture SDK for DirectKS for maximum flexibility and performance (Windows)
Windows Driver Tweaks
- All options can be controlled by three levels of registry key: global , product, and device
- Video, Audio, and Crossbar filter names can be customized via registry keys
Firmware Upgrade
- Multiple cards in one system can be upgraded simultaneously
- Cards can be upgraded without a system power shutdown (In most cases, even a reboot is not needed)
- Safe upgrade: If power-off or system breakdown occur when the firmware is being upgraded, it will automatically restore to the initial version
LED Indicator
Status LEDs indicate the working state of each channel:
- Pulsing slowly: Idle
- On: Input signal locked
- Off: Input signal unlocked
- Double blinks: Memory failed or FPGA configuration failed