papr

import logging

from collections import Counter
from enum import Enum
from time import perf_counter, gmtime, strftime

from pyglui import ui

from plugin import Plugin

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Third-Party Camera Requirements for Pupil Capture

Third-party cameras - Pupil Capture supports third-party USB cameras that fulfill the following criteria:

1. UVC compatible (Chapters below refer to this document)
2. Support Video Interface Class Code 0x0E CC_VIDEO (see A.1)
3. Support Video Subclass Code 0x02 SC_VIDEOSTREAMING (see A.2)
4. Support for the UVC_VS_FRAME_MJPEG (0x07) video streaming interface descriptor subtype (A.6)
5. Support UVC_FRAME_FORMAT_COMPRESSED frame format

Access Pupil cameras via libuvc These are the steps that pyuvc uses to access Pupil cameras:

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# Part 1: Load file and visualize/transform single reference locations
# Requires https://pypi.org/project/msgpack/

import sys
import msgpack

# Adjust the following variables to your recording
world_video_resolution = (1280, 720)
path_to_reference_locations = "/Volumes/32TB/users/ppr/recordings/2019_09_04/000/offline_data/reference_locations.msgpack"

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fixations_on_surface_magazine_concord_caption_1487539793.5600355.csv
Maximum difference:
norm_pos_x    4.635625e-12
norm_pos_y    3.622880e-12
x_scaled      4.932872e-10
y_scaled      3.086825e-09
dtype: float64

fixations_on_surface_magazine_concord_image_1487539724.7831304.csv
Maximum difference:

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import logging
from pathlib import Path

import cv2
from datetime import datetime

from pupil_recording import PupilRecording
from plugin import Plugin

logger = logging.getLogger(__name__)

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import msgpack

ref_file_path = "reference_locations.msgpack"

with open(ref_file_path, "rb") as fh:
    ref_locs = msgpack.unpack(fh, raw=False)

print("Reference location data format:", ref_locs["version"])

# Reference locations

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NOTE: Out-dated gist. Use this one instead.

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{
    // Use IntelliSense to learn about possible attributes.
    // Hover to view descriptions of existing attributes.
    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
    "version": "0.2.0",
    "configurations": [
        {
            "name": "Pupil Capture",
            "type": "python",
            "request": "launch",

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import cv2

from pyglui import ui
from pyglui.cygl.utils import draw_polyline, RGBA
from OpenGL.GL import GL_POLYGON

from circle_detector import CircleTracker
from plugin import Plugin

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import logging
import time

from pyglui import ui

from plugin import Plugin
from background_helper import IPC_Logging_Task_Proxy

logger = logging.getLogger(__name__)