path: root/examples/crtc-detection

# -*- python -*-

# This example identifies which monitors you have plugged
# in to the computer, and applied their proper calibration.


# The colour temperature to apply.
temp = 6500

# List all connected outputs.
outputs = list_screens().find_by_connected(True)

# EDID of the primary monitors
edid_0 = '00ffffffffffff0010ac00504d5730372f0c01030e281e962b0cc9a057479b2712484ca44380a959a94f615971594559c28f31590101863d00c05100304040a013006c231100001e000000fd0030aa1e821d000a202020202020000000fc0044454c4c2050313133300a2020000000ff00364432353232424c3730574d0a00ea'

# EDID of the secondary monitor
edid_1 = '00ffffffffffff0010ac005045413035320c01030e281e962b0cc9a057479b2712484ca44380a959a94f615971594559c28f31590101863d00c05100304040a013006c231100001e000000fd0030aa1e821d000a202020202020000000fc0044454c4c2050313133300a2020000000ff003644323532324339353041450a0039'

# Gamma of the monitors
gammas = [(1.16, 1.15, 1.11), (1.10, 1.16, 1.10)]

# Configure each monitor.
for output in outputs:
    # Data that identifies the monitor.
    edid = output.edid
    monitor = (output.name, output.widthmm, output.heightmm, edid is not None)
    
    # Default gamma settings.
    monitor_gamma = (1, 1, 1)
    
    # Get the correct gamma settings for the monitor.
    if   (monitor == ('DVI-0', 364, 291, False)) or (edid == edid_0):  monitor_gamma = gammas[0]
    elif (monitor == ('VGA-0', 364, 291, False)) or (edid == edid_1):  monitor_gamma = gammas[1]
    else:
        print('Warning: unknown monitor at %s at size of %i mm by %i mm' % monitor[:3])
    
    # Perform adjustments.
    start_over()
    temperature(temp, lambda t : divide_by_maximum(cmf_10deg(t)))
    gamma(*monitor_gamma)
    
    # Apply adjustments.
    randr(output.crtc, screen = output.screen)