Stream from a recording

This example shows a dummy streaming setup that uses the recording included in the package.

import sys
import logging

import pupil_recording_interface as pri

Set recording folder

folder = pri.get_test_recording()

Set up stream configurations

configs = [
    pri.VideoStream.Config(
        device_type="video_file",
        device_uid="world",
        resolution=(1280, 720),
        pipeline=[pri.GazeMapper.Config(), pri.VideoDisplay.Config()],
    ),
    pri.VideoStream.Config(
        device_type="video_file",
        device_uid="eye0",
        resolution=(192, 192),
        pipeline=[
            pri.VideoFileSyncer.Config("world"),
            pri.PupilDetector.Config(),
            pri.VideoDisplay.Config(flip=True),
        ],
    ),
    pri.VideoStream.Config(
        device_type="video_file",
        device_uid="eye1",
        resolution=(192, 192),
        pipeline=[
            pri.VideoFileSyncer.Config("world"),
            pri.PupilDetector.Config(),
            pri.VideoDisplay.Config(),
        ],
    ),
]

Set up logger

logging.basicConfig(
    stream=sys.stdout, level=logging.INFO, format="%(message)s"
)

Run manager

Note

When running the script from the command line, press ‘Ctrl+C’ to stop the manager. When running from a Jupyter notebook, interrupt the kernel (Kernel > Interrupt Kernel or press ‘Esc’ and then twice ‘i’).

with pri.StreamManager(configs, folder=folder, policy="read") as manager:
    while not manager.stopped:
        if manager.all_streams_running:
            status = manager.format_status(
                "fps", format="{:.2f} Hz", max_cols=72, sleep=0.1
            )
            print("\r" + status, end="")

print("\nStopped")