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VideoPipe/nodes/ba
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2026-06-03 12:43:14 +08:00
2026-06-03 12:43:14 +08:00
2026-06-03 12:43:14 +08:00
2026-06-03 12:43:14 +08:00
2026-06-03 12:43:14 +08:00
2026-06-03 12:43:14 +08:00
2026-06-03 12:43:14 +08:00

tips for BA node

  • behaviour analysisshort as BA works dependently on tracking, all BA nodes Must attached after track node in pipeline.
  • all types of BA nodes support multi-channel, single instance of BA node supports multi channels as input.
  • all BA nodes can be divided into 2 categories, one is instantaneous(like crossline) and another one is continuous(like stop, jam). vp_ba_type contains pair member for continuous BA such as STOP and UNSTOP, which means target enter BA status and leave BA status.
  • there is no flag of BA inside vp_frame_target type, all nodes in pipeline need maintain it by themself if they want to know BA status for some task(like counter for crossline).