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Hailo Media Library

C/C++ API for building custom video processing pipelines.

Overview​

HML (Hailo Media Library) provides:

  • Video pipeline configuration via JSON
  • Hardware-accelerated processing
  • GStreamer integration
  • Multi-stream support

Configuration Files​

Frontend Config​

Path: /usr/bin/frontend_config_example.json

Settings:

  • Vin/Vout resolution and FPS
  • Dewarp, flip, mirror
  • HDR, low-light denoise

Encoder Config​

Path: /usr/bin/frontend_encoders_sink*.json

Settings:

  • Encoding format (H264/HEVC/MJPEG)
  • Bitrate control (VBR/CVBR)
  • OSD (subtitles, images, masks)

Pipeline Structure​

Input -> ISP -> DSP -> NN -> Post -> Encoder -> Output

Key Components​

ComponentFunction
FrontendInput processing
EncoderVideo compression
SinkOutput handling

Next Steps​