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| Digital Video Scaler | 参考报价 | 无资料 | 250 MHz | 无资料 |  |
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| The IP Core is a studio quality video scaler capable of generating interpolated output images from 16 x 16 up to 216 x 216 pixels in resolution. The architecture permits seamless scaling (either up or down) depending on the chosen scale factor. Internally, the scaler uses a 24-bit accumulator and a bank of polyphase FIR filters with 16 phases or interpolation points. All filter coefficients are programmable, allowing the user to define a wide range of filter characteristics. Pixels flow in and out of the video scaler in accordance with the valid-ready pipeline protocol. Pixels are transferred into the scaler on a rising clock-edge when pixin_val is high and pixin_rdy is high. As such, the pipeline protocol allows both input and output interfaces to be stalled independently. The scaler is partitioned into a horizontal scaling module in series with a vertical scaling module . Application Support for the latest generation video formats with resolutions of 4K and above Video scaling for flat panel displays, portable devices, video consoles, video format converters, set-top boxes, digital TV etc. Conversion of all standard and custom video resolutions such as HD720P to HD1080P, XGA to VGA etc. | 概述 | |||||
| H.264 Encoder IP Core | 参考报价 | 无资料 | 150 MHz | 无资料 | |
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| This H.264 Encoder IP core has been developed to be the highest throughput standards compliant hardware H.264 video compressor. The IP offers two encoder variants to meet the different targets of features. The IP include 2 mode. H264E-I: H.264 encoder compliant with CAVLC 4:4:4 Intra Profile (all frames are keyframes) The IP core is smaller but yields less compression. It does not require external memory. H264E-P: H.264 encoder compliant with High 4:4:4 Predictive Profile: The IP core is larger but offers a significantly better compression. Both share the same outstanding processing speed of more than 5.2 pixels encoded per cycle. The data interfaces in the H.264 Encoder IP Core use the AXI industry standard. The Master I/O data interfaces use an AXI3 bus, forward compatible with AXI4 interconnects. | 概述 | |||||
| Color-space Converter | 参考报价 | 无资料 | 400 MHz | 无资料 | |
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| This IP is a fully pipelined color-space converter that converts pixels between the RGB and YCbCr color spaces. In total, the IP Core package contains two distinct modules – one module that converts from 24-bit RGB to 30-bit 4:4:4 YCbCr and the other that performs the reciprocal operation from 4:4:4 YCbCr to RGB. Application Digital video and image processing | 概述 | |||||
| ITU-R BT.656 video decoder | 参考报价 | 无资料 | 300 Hz | 无资料 | |
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| DEC_BT656 is a digital video decoder with integrated colour-space converter. It's function is to extract the valid pixels from a BT.656 video stream and convert them to 24-bit RGB for subsequent processing. Pixels are extracted from the BT.656 input stream and converted to RGB888 format. Application BT.656 input video capture and processing PAL & NTSC SDTV interlaced format conversion | 概述 | |||||
| ITU-R BT.656 video encoder | 参考报价 | 无资料 | 200 MHz | 无资料 | |
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| ITU-R_BT is a digital video encoder with integrated colour-space converter. The encoder accepts 24-bit RGB pixels from sequential odd and even fields. These pixels are then mapped to the YCbCr colour-space and formatted correctly into a BT output stream. The output of the encoder generates an industry standard ITU-R BT.656 format video stream together with a video_val signal that is asserted with the first valid byte of the output stream. Applications BT.656 output video generation PAL & NTSC SDTV video format conversion | 概述 | |||||
| Video Frame Buffer | 参考报价 | 无资料 | 300 MHz | 无资料 | |
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| VID_FB is a high-speed multi-format video frame buffer that asynchronously samples an input video stream and buffers it in an external memory. Output pixels are read out of the buffer and synchronised to the system clock domain. The VID_FB will automatically adapt to different input and output frame rates. If the input frame rate is too high, then the VID_FB will cleanly drop or 'skip' an input frame. Likewise, if the output frame rate is higher than the input frame rate, then frames will be repeated 3 . The result is a system that seamlessly adapts to the different frame rates at the input and output of the VID_FB. Applications Buffering video frames in external memory Real-time digital video applications Genlocking of multiple video sources | 概述 | |||||
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