[mythtv-users] Can't read edid all of the sudden

[Mike Perkins]

Kirk Bocek wrote:
> 
> 
> On 3/12/2010 4:04 PM, Paul Kendall wrote:
>> Yes, cut that raw EDID and extension and paste it into a hex editor
>> to get a raw edid file which you would put in /etc/X11/edid.bin.
> 
> I'm late to this thread but I assume you are talking about cutting the 
> EDID data out of a verbose X log. Here's a little perl program I wrote 
> to do just that. Replace the hex strings after the __DATA__ line and run 
> the script. "outfile.bin" will contain the binary EDID data.
> 
> #!/usr/bin/perl
> #
> # hex2bin.pl
> # convert hex strings to binary file
> #
> use strict;
> 
> open OUT, ">outfile.bin";
> binmode OUT, ':raw';
> 
> my $cnt = 0;
> while (<DATA>) {
>         my @line = split ' ';
>         my $dat;
>         foreach $dat (@line) {
>                 print "Octet $dat\n";
>                 print OUT chr(hex $dat) if $dat;
>                 $cnt++ if $dat;
>         }
> }
> close OUT;
> print "Output $cnt octets.\n";
> 
> #EDID block for Westinghouse SK-32H590D
> __DATA__
> 00 ff ff ff ff ff ff 00  5c 85 70 50 bb 00 00 00
> 0b 11 01 03 80 47 28 8c  2a 19 91 a7 55 46 98 24
> 10 48 49 a1 08 00 81 c0  01 01 01 01 01 01 01 01
> 01 01 01 01 01 01 9d 1c  56 92 50 00 28 30 30 20
> 35 00 c5 8f 21 00 00 1a  20 1c 50 a0 50 00 16 30
> 30 20 25 00 c5 8f 21 00  00 1a 00 00 00 fd 00 31
> 4c 0f 31 08 00 0a 20 20  20 20 20 20 00 00 00 fc
> 00 53 4b 2d 33 32 48 35  39 30 44 0a 20 20 01 54
> 02 03 17 71 44 84 05 03  02 23 09 07 07 83 01 00
> 00 65 03 0c 00 10 00 01  1d 00 72 51 d0 1e 20 6e
> 28 55 00 c5 8f 21 00 00  1e 01 1d 80 18 71 1c 16
> 20 58 2c 25 00 c5 8f 21  00 00 9e 8c 0a d0 8a 20
> e0 2d 10 10 3e 96 00 c5  8f 21 00 00 18 8c 0a d0
> 8a 20 e0 2d 10 10 3e 96  00 14 8f 21 00 00 18 00
> 00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
> 00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 32
> 
OK, I'll bite. How does one edit this file to provide the information which one 
wants the driver to see? And don't tell me 'use a hex editor', what I mean is 
what's the format of the file?

-- 

Mike Perkins