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					44 lines
				
				1.9 KiB
			
		
		
			
		
	
	
					44 lines
				
				1.9 KiB
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											2 years ago
										 
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								from collections import namedtuple
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								from cereal.visionipc import VisionStreamType
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								from common.realtime import DT_MDL, DT_DMON
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								from common.transformations.camera import tici_f_frame_size, tici_d_frame_size, tici_e_frame_size, eon_f_frame_size, eon_d_frame_size
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								VideoStreamMeta = namedtuple("VideoStreamMeta", ["camera_state", "encode_index", "stream", "dt", "frame_sizes"])
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								ROAD_CAMERA_FRAME_SIZES = {"tici": tici_f_frame_size, "tizi": tici_f_frame_size, "eon": eon_f_frame_size}
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								WIDE_ROAD_CAMERA_FRAME_SIZES = {"tici": tici_e_frame_size, "tizi": tici_e_frame_size}
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								DRIVER_FRAME_SIZES = {"tici": tici_d_frame_size, "tizi": tici_d_frame_size, "eon": eon_d_frame_size}
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								VIPC_STREAM_METADATA = [
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								  # metadata: (state_msg_type, encode_msg_type, stream_type, dt, frame_sizes)
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								  ("roadCameraState", "roadEncodeIdx", VisionStreamType.VISION_STREAM_ROAD, DT_MDL, ROAD_CAMERA_FRAME_SIZES),
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								  ("wideRoadCameraState", "wideRoadEncodeIdx", VisionStreamType.VISION_STREAM_WIDE_ROAD, DT_MDL, WIDE_ROAD_CAMERA_FRAME_SIZES),
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								  ("driverCameraState", "driverEncodeIdx", VisionStreamType.VISION_STREAM_DRIVER, DT_DMON, DRIVER_FRAME_SIZES),
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								]
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								def meta_from_camera_state(state):
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								  meta = next((VideoStreamMeta(*meta) for meta in VIPC_STREAM_METADATA if meta[0] == state), None)
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								  return meta
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								def meta_from_encode_index(encode_index):
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								  meta = next((VideoStreamMeta(*meta) for meta in VIPC_STREAM_METADATA if meta[1] == encode_index), None)
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								  return meta
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								def meta_from_stream_type(stream_type):
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								  meta = next((VideoStreamMeta(*meta) for meta in VIPC_STREAM_METADATA if meta[2] == stream_type), None)
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								  return meta
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								def available_streams(lr=None):
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								  if lr is None:
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								    return [VideoStreamMeta(*meta) for meta in VIPC_STREAM_METADATA]
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								  result = []
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								  for meta in VIPC_STREAM_METADATA:
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								    has_cam_state = next((True for m in lr if m.which() == meta[0]), False)
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								    if has_cam_state:
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								      result.append(VideoStreamMeta(*meta))
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								  return result
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