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Limited Baseline HDTV 1080p H.264/AVC Decoder
The OL_H264LD core is a hardware implementation of the H.264 baseline video compression algorithm.
The core decodes a bitstream produced by the OLH264e encoder and produces a video stream up to the highest HDTV resolution.
Simple, fully synchronous design with low gate count.
The core decodes a bitstream produced by the OLH264e encoder and produces a video stream up to the highest HDTV resolution.
Simple, fully synchronous design with low gate count.
Features
- Fully compatible with the output of the OL_H264MCE encoder core.
- Up to Profile level 4.1 can be decoded.
- Supports up to the highest HDTV video resolution (1920x1080 @ 30 fps progressive).
- Very low operational frequency : from ~1.5 MHz for QCIF @ 15 fps to ~250 MHz for 1920x1080 @ 30 fps.
- Single core HDTV support in FPGA : 720p (1280x720) at 30 fps in high end FPGAs (Virtex4) . 4 CIF (704x576) at 30 fps in low end FPGAs.
- No CPU required for decoding.
- Very low latency decoding
- Motion vector up to –32.00/+31.75 pixels.
- Support for most of intra4x4 and all intra16x16 modes.
- Multiple slices support for better error resilience.
- Block skipping logic for lower bitrate.
- Deblocking filter for better quality.
- External memory interface tolerant of high latencies and delays, ideal in a SoC system or in a shared bus with a CPU. The memory interface can be clocked at a different frequency from the core for easier integration.
- Supports YUV 4:2:0 video output.
- Min Clock speed = 4 x the raw pixel clock speed.
- Simple, fully synchronous design.
- Available as fully functional and synthesizable VHDL or Verilog soft-core.
Deliverables
- Synthesizable VHDL or Verilog RTL.
- Bit accurate C model.
- Complete HDL testbench.
- Complete data sheet.
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