Cannot find Renderer Subgraph

[Abhinav0002]

_live.pbtxt
WARNING: All log messages before absl::InitializeLog() is called are written to STDERR
I0000 00:00:1705417055.522904 30032 demo_run_graph_main.cc:50] Get calculator graph config contents: # MediaPipe graph that performs hands tracking on desktop with TensorFlow

Lite on CPU.

Used in the example in

mediapipe/examples/desktop/hand_tracking:hand_tracking_cpu.

CPU image. (ImageFrame)

input_stream: "input_video"

CPU image. (ImageFrame)

output_stream: "output_video"

Generates side packet cotaining max number of hands to detect/track.

node {
calculator: "ConstantSidePacketCalculator"
output_side_packet: "PACKET:num_hands"
node_options: {
[type.googleapis.com/mediapipe.ConstantSidePacketCalculatorOptions]: {
packet { int_value: 2 }
}
}
}

Detects/tracks hand landmarks.

node {
calculator: "HandLandmarkTrackingCpu"
input_stream: "IMAGE:input_video"
input_side_packet: "NUM_HANDS:num_hands"
output_stream: "LANDMARKS:landmarks"
output_stream: "HANDEDNESS:handedness"
output_stream: "PALM_DETECTIONS:multi_palm_detections"
output_stream: "HAND_ROIS_FROM_LANDMARKS:multi_hand_rects"
output_stream: "HAND_ROIS_FROM_PALM_DETECTIONS:multi_palm_rects"
}

Subgraph that renders annotations and overlays them on top of the input

images (see hand_renderer_cpu.pbtxt).

node {
calculator: "HandRendererSubgraph"
input_stream: "IMAGE:input_video"
input_stream: "DETECTIONS:multi_palm_detections"
input_stream: "LANDMARKS:landmarks"
input_stream: "HANDEDNESS:handedness"
input_stream: "NORM_RECTS:0:multi_palm_rects"
input_stream: "NORM_RECTS:1:multi_hand_rects"
output_stream: "IMAGE:output_video"
}

Add New Node

node {
calculator: "MyPassThroughCalculator"
input_stream: "LANDMARKS:hand_landmarks"
input_stream: "NORM_RECT:hand_rect"
input_stream: "DETECTIONS:palm_detections"
output_stream: "LANDMARKS:hand_landmarks_out"
output_stream: "NORM_RECT:hand_rect_out"
output_stream: "DETECTIONS:palm_detections_out"
}

Modify input_stream names of next node

Subgraph that renders annotations and overlays them on top of the input

images (see renderer_cpu.pbtxt).

node {
calculator: "RendererSubgraph"
input_stream: "IMAGE:input_video"
input_stream: "LANDMARKS:hand_landmarks_out"
input_stream: "NORM_RECT:hand_rect_out"
input_stream: "DETECTIONS:palm_detections_out"
output_stream: "IMAGE:output_video"
}

I0000 00:00:1705417055.523425 30032 demo_run_graph_main.cc:56] Initialize the calculator graph.
E0000 00:00:1705417055.525294 30032 demo_run_graph_main.cc:156] Failed to run the graph: ValidatedGraphConfig Initialization failed.
No registered object with name: RendererSubgraph; Unable to find Calculator "RendererSubgraph"