From 0aaaa62d1198651b432c069d14813d6926d742f8 Mon Sep 17 00:00:00 2001 From: Mattias Andrée Date: Mon, 14 Apr 2014 00:41:07 +0200 Subject: demo EDID parsing MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Mattias Andrée --- examples/crtc-detection | 26 +++++++++++++++++++++++--- 1 file changed, 23 insertions(+), 3 deletions(-) (limited to 'examples/crtc-detection') diff --git a/examples/crtc-detection b/examples/crtc-detection index 91e8d0e..520a933 100644 --- a/examples/crtc-detection +++ b/examples/crtc-detection @@ -41,19 +41,24 @@ temp = 6500 outputs = list_screens('drm' if ttymode else 'randr').find_by_connected(True) # EDID of the primary monitors -edid_0 = '00ffffffffffff0010ac00504d5730372f0c01030e281e962b0cc9a057479b2712484ca44380a959a94f615971594559c28f31590101863d00c05100304040a013006c231100001e000000fd0030aa1e821d000a202020202020000000fc0044454c4c2050313133300a2020000000ff00364432353232424c3730574d0a00ea' +edid_0 = '00ffffffffffff0010ac00504d5730372f0c01030e281e962b0cc9a057479b2712484ca44380a959a94f615971594559c28f31590101863d00c05100304040a013006c231100001e000000fd0030aa1e821d000a202020202020000000fc0044454c4c2050313133300a2020000000ff00364432353232424c3730574d0a00eaXXXXX' # EDID of the secondary monitor -edid_1 = '00ffffffffffff0010ac005045413035320c01030e281e962b0cc9a057479b2712484ca44380a959a94f615971594559c28f31590101863d00c05100304040a013006c231100001e000000fd0030aa1e821d000a202020202020000000fc0044454c4c2050313133300a2020000000ff003644323532324339353041450a0039' +edid_1 = '00ffffffffffff0010ac005045413035320c01030e281e962b0cc9a057479b2712484ca44380a959a94f615971594559c28f31590101863d00c05100304040a013006c231100001e000000fd0030aa1e821d000a202020202020000000fc0044454c4c2050313133300a2020000000ff003644323532324339353041450a0039XXXXX' # Gamma of the monitors gammas = [(1.16, 1.15, 1.11), (1.10, 1.16, 1.10)] +# Beginning of possible warning messages. +warn_size = 'Warning: unknown monitor at %s and size of %i mm by %i mm' +warn_nosize = 'Warning: unknown monitor at %s and unknown size' + # 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) + known_size = (output.widthmm is not None) and (output.heightmm is not None) # Default gamma settings. monitor_gamma = (1, 1, 1) @@ -63,8 +68,23 @@ for output in outputs: elif (monitor == ('VGA-0', 364, 291, False)) or (edid == edid_1): monitor_gamma = gammas[1] # using RandR elif (monitor == ('DVII-0', 400, 300, False)) or (edid == edid_0): monitor_gamma = gammas[0] # using DRM elif (monitor == ('VGA-0', 400, 300, False)) or (edid == edid_1): monitor_gamma = gammas[1] # using DRM + elif edid is not None: + # Base gamma corrections on the EDID. + try: + edid_parsed = EDID(edid) + monitor_gamma = (edid_parsed.gamma_correction,) + msg = '%s using automatic gamma correction, estimated gamma was %.2f' + msg %= (warn_size, edid_parsed.gamma) + print(msg % (monitor[0], edid_parsed.widthmm, edid_parsed.heightmm)) + except: + if not known_size: + print('%s and with unsupported EDID' % warn_nosize % monitor[0]) + else: + print('%s with unsupported EDID' % warn_size % monitor[:3]) + elif not known_size: + print('%s and without an EDID' % warn_nosize % monitor[0]) else: - print('Warning: unknown monitor at %s at size of %i mm by %i mm' % monitor[:3]) + print('%s without an EDID' % warn_size % monitor[:3]) # Perform adjustments. start_over() -- cgit v1.2.3-70-g09d2