diff options
Diffstat (limited to 'monitor-parse-edid')
| -rwxr-xr-x | monitor-parse-edid | 726 |
1 files changed, 47 insertions, 679 deletions
diff --git a/monitor-parse-edid b/monitor-parse-edid index 389658a..c2c9d7a 100755 --- a/monitor-parse-edid +++ b/monitor-parse-edid @@ -16,605 +16,67 @@ # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. -my @CVT_ratios = qw(5/4 4/3 3/2 16/10 15/9 16/9); -my @known_ratios = @CVT_ratios; - -my @edid_info = group_by2( - a8 => '_header', - a2 => 'manufacturer_name', - - v => 'product_code', - V => 'serial_number', - C => 'week', - C => 'year', - C => 'edid_version', - C => 'edid_revision', - a => 'video_input_definition', - - C => 'max_size_horizontal', # in cm, 0 on projectors - C => 'max_size_vertical', # in cm, 0 on projectors - C => 'gamma', - a => 'feature_support', - a10 => '_color_characteristics', - a3 => 'established_timings', - a16 => 'standard_timings', - a72 => 'monitor_details', - - C => 'extension_flag', - C => 'checksum', -); - -my %subfields = ( - manufacturer_name => [ group_by2( - 1 => '', - 5 => '1', - 5 => '2', - 5 => '3', - ) ], - - video_input_definition => [ group_by2( - 1 => 'digital', - 1 => 'separate_sync', - 1 => 'composite_sync', - 1 => 'sync_on_green', - 2 => '', - 2 => 'voltage_level', - ) ], - - feature_support => [ group_by2( - 1 => 'DPMS_standby', - 1 => 'DPMS_suspend', - 1 => 'DPMS_active_off', - 1 => 'rgb', - - 1 => '', - 1 => 'sRGB_compliance', - 1 => 'has_preferred_timing', - 1 => 'GTF_compliance', - ) ], - - established_timings => [ group_by2( - 1 => '720x400_70', - 1 => '720x400_88', - 1 => '640x480_60', - 1 => '640x480_67', - 1 => '640x480_72', - 1 => '640x480_75', - 1 => '800x600_56', - 1 => '800x600_60', - 1 => '800x600_72', - 1 => '800x600_75', - 1 => '832x624_75', - 1 => '1024x768_87i', - 1 => '1024x768_60', - 1 => '1024x768_70', - 1 => '1024x768_75', - 1 => '1280x1024_75', - ) ], - - detailed_timing => [ group_by2( - 8 => 'horizontal_active', - 8 => 'horizontal_blanking', - 4 => 'horizontal_active_hi', - 4 => 'horizontal_blanking_hi', - 8 => 'vertical_active', - 8 => 'vertical_blanking', - 4 => 'vertical_active_hi', - 4 => 'vertical_blanking_hi', - 8 => 'horizontal_sync_offset', - 8 => 'horizontal_sync_pulse_width', - 4 => 'vertical_sync_offset', - 4 => 'vertical_sync_pulse_width', - 2 => 'horizontal_sync_offset_hi', - 2 => 'horizontal_sync_pulse_width_hi', - 2 => 'vertical_sync_offset_hi', - 2 => 'vertical_sync_pulse_width_hi', - 8 => 'horizontal_image_size', # in mm - 8 => 'vertical_image_size', # in mm - 4 => 'horizontal_image_size_hi', - 4 => 'vertical_image_size_hi', - 8 => 'horizontal_border', - 8 => 'vertical_border', - - 1 => 'interlaced', - 2 => 'stereo', - 2 => 'digital_composite', - 1 => 'horizontal_sync_positive', - 1 => 'vertical_sync_positive', - 1 => '', - ) ], - - standard_timing => [ group_by2( - 8 => 'X', - 2 => 'aspect', - 6 => 'vfreq', - ) ], - monitor_range => [ group_by2( - 8 => 'vertical_min', - 8 => 'vertical_max', - 8 => 'horizontal_min', - 8 => 'horizontal_max', - 8 => 'pixel_clock_max', - ) ], - - manufacturer_specified_range_timing => [ group_by2( - # http://www.spwg.org/salisbury_march_19_2002.pdf - # for the glossary: http://www.vesa.org/Public/PSWG/PSWG15v1.pdf - 8 => 'horizontal_sync_pulse_width_min', # HSPW (Horizontal Sync Pulse Width) - 8 => 'horizontal_sync_pulse_width_max', - 8 => 'horizontal_back_porch_min', # t_hbp - 8 => 'horizontal_back_porch_max', - 8 => 'vertical_sync_pulse_width_min', # VSPW (Vertical Sync Pulse Width) - 8 => 'vertical_sync_pulse_width_max', - 8 => 'vertical_back_porch_min', # t_vbp (Vertical Back Porch) - 8 => 'vertical_back_porch_max', - 8 => 'horizontal_blanking_min', # t_hp (Horizontal Period) - 8 => 'horizontal_blanking_max', - 8 => 'vertical_blanking_min', # t_vp - 8 => 'vertical_blanking_max', - 8 => 'module_revision', - ) ], - - cea_data_block_collection => [ group_by2( - 3 => 'type', - 5 => 'size', - ) ], - - cea_video_data_block => [ group_by2( - 1 => 'native', - 7 => 'mode', - ) ], -); - -my @cea_video_mode_to_detailed_timing = ('pixel_clock', 'horizontal_active', 'vertical_active', 'aspect', - 'horizontal_blanking', 'horizontal_sync_offset', 'horizontal_sync_pulse_width', - 'vertical_blanking', 'vertical_sync_offset', 'vertical_sync_pulse_width', - 'horizontal_sync_positive', 'vertical_sync_positive', 'interlaced'); - -my @cea_video_modes = ( -# [0] pixel clock, [1] X, [2] Y, [3] aspect, [4] Hblank, [5] Hsync_offset, [6] Hsync_pulse_width, -# [7] Vblank, [8] Vsync_offset, [9] Vsync_pulse_width, [10] Hsync+, [11] Vsync+, [12] interlaced -# 59.94/29.97 and similar modes also have a 60.00/30.00 counterpart by raising the pixel clock - [ 25.175, 640, 480, "4/3", 160, 16, 96, 45, 10, 2, 0, 0, 0 ], # 1: 640x 480@59.94 - [ 27.000, 720, 480, "4/3", 138, 16, 62, 45, 9, 6, 0, 0, 0 ], # 2: 720x 480@59.94 - [ 27.000, 720, 480, "16/9", 138, 16, 62, 45, 9, 6, 0, 0, 0 ], # 3: 720x 480@59.94 - [ 74.250, 1280, 720, "16/9", 370, 110, 40, 30, 5, 5, 1, 1, 0 ], # 4: 1280x 720@60.00 - [ 74.250, 1920, 1080, "16/9", 280, 88, 44, 45, 4, 10, 1, 1, 1 ], # 5: 1920x1080@30.00 - [ 27.000, 1440, 480, "4/3", 276, 38, 124, 45, 8, 6, 0, 0, 1 ], # 6: 1440x 480@29.97 - [ 27.000, 1440, 480, "16/9", 276, 38, 124, 45, 8, 6, 0, 0, 1 ], # 7: 1440x 480@29.97 - [ 27.000, 1440, 240, "4/3", 276, 38, 124, 22, 4, 3, 0, 0, 0 ], # 8: 1440x 240@60.05 - [ 27.000, 1440, 240, "16/9", 276, 38, 124, 22, 4, 3, 0, 0, 0 ], # 9: 1440x 240@60.05 - [ 54.000, 2880, 480, "4/3", 552, 76, 248, 45, 8, 6, 0, 0, 1 ], # 10: 2880x 480@29.97 - [ 54.000, 2880, 480, "16/9", 552, 76, 248, 45, 8, 6, 0, 0, 1 ], # 11: 2880x 480@29.97 - [ 54.000, 2880, 240, "4/3", 552, 76, 248, 22, 4, 3, 0, 0, 0 ], # 12: 2880x 240@60.05 - [ 54.000, 2880, 240, "16/9", 552, 76, 248, 22, 4, 3, 0, 0, 0 ], # 13: 2880x 240@60.05 - [ 54.000, 1440, 480, "4/3", 276, 32, 124, 45, 9, 6, 0, 0, 0 ], # 14: 1440x 480@59.94 - [ 54.000, 1440, 480, "16/9", 276, 32, 124, 45, 9, 6, 0, 0, 0 ], # 15: 1440x 480@59.94 - [ 148.500, 1920, 1080, "16/9", 280, 88, 44, 45, 4, 5, 1, 1, 0 ], # 16: 1920x1080@60.00 - [ 27.000, 720, 576, "4/3", 144, 12, 64, 49, 5, 5, 0, 0, 0 ], # 17: 720x 576@50.00 - [ 27.000, 720, 576, "16/9", 144, 12, 64, 49, 5, 5, 0, 0, 0 ], # 18: 720x 576@50.00 - [ 74.250, 1280, 720, "16/9", 700, 440, 40, 30, 5, 5, 1, 1, 0 ], # 19: 1280x 720@50.00 - [ 74.250, 1920, 1080, "16/9", 720, 528, 44, 45, 4, 10, 1, 1, 1 ], # 20: 1920x1080@25.00 - [ 27.000, 1440, 576, "4/3", 288, 24, 126, 49, 4, 6, 0, 0, 1 ], # 21: 1440x 576@25.00 - [ 27.000, 1440, 576, "16/9", 288, 24, 126, 49, 4, 6, 0, 0, 1 ], # 22: 1440x 576@25.00 - [ 27.000, 1440, 288, "4/3", 288, 24, 126, 24, 2, 3, 0, 0, 0 ], # 23: 1440x 288@50.08 - [ 27.000, 1440, 288, "16/9", 288, 24, 126, 24, 2, 3, 0, 0, 0 ], # 24: 1440x 288@50.08 - [ 54.000, 2880, 576, "4/3", 576, 48, 252, 49, 4, 6, 0, 0, 1 ], # 25: 2880x 576@25.00 - [ 54.000, 2880, 576, "16/9", 576, 48, 252, 49, 4, 6, 0, 0, 1 ], # 26: 2880x 576@25.00 - [ 54.000, 2880, 288, "4/3", 576, 48, 252, 24, 2, 3, 0, 0, 0 ], # 27: 2880x 288@50.08 - [ 54.000, 2880, 288, "16/9", 576, 48, 252, 24, 2, 3, 0, 0, 0 ], # 28: 2880x 288@50.08 - [ 54.000, 1440, 576, "4/3", 288, 24, 128, 49, 5, 5, 0, 0, 0 ], # 29: 1440x 576@50.00 - [ 54.000, 1440, 576, "16/9", 288, 24, 128, 49, 5, 5, 0, 0, 0 ], # 30: 1440x 576@50.00 - [ 148.500, 1920, 1080, "16/9", 720, 528, 44, 45, 4, 5, 1, 1, 0 ], # 31: 1920x1080@50.00 - [ 74.250, 1920, 1080, "16/9", 830, 638, 44, 45, 4, 5, 1, 1, 0 ], # 32: 1920x1080@24.00 - [ 74.250, 1920, 1080, "16/9", 720, 528, 44, 45, 4, 5, 1, 1, 0 ], # 33: 1920x1080@25.00 - [ 74.250, 1920, 1080, "16/9", 280, 88, 44, 45, 4, 5, 1, 1, 0 ], # 34: 1920x1080@30.00 - [ 108.000, 2880, 480, "4/3", 552, 64, 248, 45, 9, 6, 0, 0, 0 ], # 35: 2880x 480@59.94 - [ 108.000, 2880, 480, "16/9", 552, 64, 248, 45, 9, 6, 0, 0, 0 ], # 36: 2880x 480@59.94 - [ 108.000, 2880, 576, "4/3", 576, 48, 256, 49, 5, 5, 0, 0, 0 ], # 37: 2880x 576@50.00 - [ 108.000, 2880, 576, "16/9", 576, 48, 256, 49, 5, 5, 0, 0, 0 ], # 38: 2880x 576@50.00 - [ 72.000, 1920, 1080, "16/9", 384, 32, 168, 170, 46, 10, 1, 0, 1 ], # 39: 1920x1080@25.00 - [ 148.500, 1920, 1080, "16/9", 720, 528, 44, 45, 4, 10, 1, 1, 1 ], # 40: 1920x1080@50.00 - [ 148.500, 1280, 720, "16/9", 700, 440, 40, 30, 5, 5, 1, 1, 0 ], # 41: 1280x 720@100.00 - [ 54.000, 720, 576, "4/3", 144, 12, 64, 49, 5, 5, 0, 0, 0 ], # 42: 720x 576@100.00 - [ 54.000, 720, 576, "16/9", 144, 12, 64, 49, 5, 5, 0, 0, 0 ], # 43: 720x 576@100.00 - [ 54.000, 1440, 576, "4/3", 288, 24, 126, 49, 4, 6, 0, 0, 0 ], # 44: 1440x 576@50.00 - [ 54.000, 1440, 576, "16/9", 288, 24, 126, 49, 4, 6, 0, 0, 0 ], # 45: 1440x 576@50.00 - [ 148.500, 1920, 1080, "16/9", 280, 88, 44, 45, 4, 10, 1, 1, 1 ], # 46: 1920x1080@60.00 - [ 148.500, 1280, 720, "16/9", 370, 110, 40, 30, 5, 5, 1, 1, 0 ], # 47: 1280x 720@120.00 - [ 54.000, 720, 480, "4/3", 138, 16, 62, 45, 9, 6, 0, 0, 0 ], # 48: 720x 480@119.88 - [ 54.000, 720, 480, "16/9", 138, 16, 62, 45, 9, 6, 0, 0, 0 ], # 49: 720x 480@119.88 - [ 54.000, 1440, 480, "4/3", 276, 38, 124, 45, 8, 6, 0, 0, 1 ], # 50: 1440x 480@59.94 - [ 54.000, 1440, 480, "16/9", 276, 38, 124, 45, 8, 6, 0, 0, 1 ], # 51: 1440x 480@59.94 - [ 108.000, 720, 576, "4/3", 144, 12, 64, 49, 5, 5, 0, 0, 0 ], # 52: 720x 576@200.00 - [ 108.000, 720, 576, "16/9", 144, 12, 64, 49, 5, 5, 0, 0, 0 ], # 53: 720x 576@200.00 - [ 108.000, 1440, 576, "4/3", 288, 24, 126, 49, 4, 6, 0, 0, 1 ], # 54: 1440x 576@100.00 - [ 108.000, 1440, 576, "16/9", 288, 24, 126, 49, 4, 6, 0, 0, 1 ], # 55: 1440x 576@100.00 - [ 108.000, 720, 480, "4/3", 138, 16, 62, 45, 9, 6, 0, 0, 0 ], # 56: 720x 480@239.76 - [ 108.000, 720, 480, "16/9", 138, 16, 62, 45, 9, 6, 0, 0, 0 ], # 57: 720x 480@239.76 - [ 108.000, 1440, 480, "4/3", 276, 38, 124, 45, 8, 6, 0, 0, 1 ], # 58: 1440x 480@119.88 - [ 108.000, 1440, 480, "16/9", 276, 38, 124, 45, 8, 6, 0, 0, 1 ], # 59: 1440x 480@119.88 - [ 59.400, 1280, 720, "16/9", 2020, 1760, 40, 30, 5, 5, 1, 1, 0 ], # 60: 1280x 720@24.00 - [ 74.250, 1280, 720, "16/9", 2680, 2420, 40, 30, 5, 5, 1, 1, 0 ], # 61: 1280x 720@25.00 - [ 74.250, 1280, 720, "16/9", 2020, 1760, 40, 30, 5, 5, 1, 1, 0 ], # 62: 1280x 720@30.00 - [ 297.000, 1920, 1080, "16/9", 280, 88, 44, 45, 4, 5, 1, 1, 0 ], # 63: 1920x1080@120.00 - [ 297.000, 1920, 1080, "16/9", 720, 528, 44, 45, 4, 10, 1, 1, 0 ], # 64: 1920x1080@100.00 -); - -sub within_limit { - my ($value, $type, $limit) = @_; - $type eq 'min' ? $value >= $limit : $value <= $limit; -} - -sub get_many_bits { - my ($s, $field_name) = @_; - my @bits = split('', unpack('B*', $s)); - my %h; - foreach (@{$subfields{$field_name}}) { - my ($size, $field) = @$_; - my @l = ('0' x (8 - $size), splice(@bits, 0, $size)); - $h{$field} = unpack("C", pack('B*', join('', @l))) if $field && $field !~ /^_/; - } - \%h; -} - -sub check_parsed_edid { - my ($edid) = @_; - - $edid->{edid_version} >= 1 && $edid->{edid_version} <= 2 or return 'bad edid_version'; - $edid->{edid_revision} != 0xff or return 'bad edid_revision'; - - if ($edid->{monitor_range}) { - $edid->{monitor_range}{horizontal_min} && - $edid->{monitor_range}{horizontal_min} <= $edid->{monitor_range}{horizontal_max} - or return 'bad HorizSync'; - $edid->{monitor_range}{vertical_min} && - $edid->{monitor_range}{vertical_min} <= $edid->{monitor_range}{vertical_max} - or return 'bad VertRefresh'; - } - - ''; -} +use Getopt::Long; +use Parse::EDID; -sub build_detailed_timing { - my ($pixel_clock, $vv) = @_; +GetOptions( + 'v' => \ (my $verbose), + 'perl' => \ (my $raw_perl), + 'MonitorsDB' => \ (my $MonitorsDB), +) or usage(); - my $h = get_many_bits($vv, 'detailed_timing'); - $h->{pixel_clock} = $pixel_clock / 100; # to have it in MHz - my %detailed_timing_field_size = map { $_->[1], $_->[0] } @{$subfields{detailed_timing}}; - foreach my $field (keys %detailed_timing_field_size) { - $field =~ s/_hi$// or next; - my $hi = delete($h->{$field . '_hi'}); - $h->{$field} += $hi << $detailed_timing_field_size{$field}; - } - $h; +my ($file, $F); +if (@ARGV == 0) { + $F = *STDIN; +} elsif (@ARGV == 1) { + open($F, $file = $ARGV[0]) or usage(); +} else { + usage(); } -sub add_standard_timing_modes { - my ($edid, $v) = @_; +my $input = join('', <$F>); - my @aspect2ratio = ( - $edid->{edid_version} > 1 || $edid->{edid_revision} > 2 ? '16/10' : '1/1', - '4/3', '5/4', '16/9', - ); - $v = [ map { - my $h = get_many_bits($_, 'standard_timing'); - $h->{X} = ($h->{X} + 31) * 8; - if ($_ ne "\x20\x20" && $h->{X} > 256) { # cf VALID_TIMING in Xorg edid.h - $h->{vfreq} += 60; - if ($h->{ratio} = $aspect2ratio[$h->{aspect}]) { - delete $h->{aspect}; - $h->{Y} = $h->{X} / eval($h->{ratio}); - } - $h; - } else { () } - } unpack('a2' x (length($v) / 2), $v) ]; - $v; +my @raw_edids; +my $length = length($input); +if ($length % 128 == 0 && $length >= 128 && $length <= 128 * 254) { + @raw_edids = $input; +} else { + @raw_edids = find_edid_in_string($input) or error("bad edid"); } -sub parse_edid { - my ($raw_edid, $verbose) = @_; - - my %edid; - my ($main_edid, @eedid_blocks) = unpack("a128" x (length($raw_edid) / 128), $raw_edid); - my @vals = unpack(join('', map { $_->[0] } @edid_info), $main_edid); - my $i; - foreach (@edid_info) { - my ($field, $v) = ($_->[1], $vals[$i++]); - - if ($field eq 'year') { - $v += 1990; - } elsif ($field eq 'manufacturer_name') { - my $h = get_many_bits($v, 'manufacturer_name'); - $v = join('', map { chr(ord('A') + $h->{$_} - 1) } 1 .. 3); - $v = "" if $v eq "@@@"; - } elsif ($field eq 'video_input_definition') { - $v = get_many_bits($v, 'video_input_definition'); - } elsif ($field eq 'feature_support') { - $v = get_many_bits($v, 'feature_support'); - } elsif ($field eq 'established_timings') { - my $h = get_many_bits($v, 'established_timings'); - $v = [ - sort { $a->{X} <=> $b->{X} || $a->{vfreq} <=> $b->{vfreq} } - map { /(\d+)x(\d+)_(\d+)(i?)/ ? { X => $1, Y => $2, vfreq => $3, $4 ? (interlace => 1) : () } : () } - grep { $h->{$_} } keys %$h ]; - } elsif ($field eq 'standard_timings') { - $v = add_standard_timing_modes(\%edid, $v); - } elsif ($field eq 'monitor_details') { - while ($v) { - (my $pixel_clock, my $vv, $v) = unpack("v a16 a*", $v); - - if ($pixel_clock) { - # detailed timing - my $h = build_detailed_timing($pixel_clock, $vv); - push @{$edid{detailed_timings}}, $h - if $h->{horizontal_active} > 1 && $h->{vertical_active} > 1; - } else { - (my $flag, $vv) = unpack("n x a*", $vv); - - if ($flag == 0xfd) { - # range - $edid{monitor_range} = get_many_bits($vv, 'monitor_range'); - if ($edid{monitor_range}{pixel_clock_max} == 0xff) { - delete $edid{monitor_range}{pixel_clock_max}; - } else { - $edid{monitor_range}{pixel_clock_max} *= 10; #- to have it in MHz - } - } elsif ($flag == 0xf) { - my $range = get_many_bits($vv, 'manufacturer_specified_range_timing'); - - my $e = $edid{detailed_timings}[0]; - my $valid = 1; - foreach my $m ('min', 'max') { - my %total; - foreach my $dir ('horizontal', 'vertical') { - $range->{$dir . '_sync_pulse_width_' . $m} *= 2; - $range->{$dir . '_back_porch_' . $m} *= 2; - $range->{$dir . '_blanking_' . $m} *= 2; - if ($e && $e->{$dir . '_active'} - && within_limit($e->{$dir . '_blanking'}, $m, $range->{$dir . '_blanking_' . $m}) - && within_limit($e->{$dir . '_sync_pulse_width'}, $m, $range->{$dir . '_sync_pulse_width_' . $m}) - && within_limit($e->{$dir . '_blanking'} - $e->{$dir . '_sync_offset'} - $e->{$dir . '_sync_pulse_width'}, - $m, $range->{$dir . '_back_porch_' . $m})) { - $total{$dir} = $e->{$dir . '_active'} + $range->{$dir . '_blanking_' . $m}; - } - } - if ($total{horizontal} && $total{vertical}) { - my $hfreq = $e->{pixel_clock} * 1000 / $total{horizontal}; - my $vfreq = $hfreq * 1000 / $total{vertical}; - $range->{'horizontal_' . ($m eq 'min' ? 'max' : 'min')} = round($hfreq); - $range->{'vertical_' . ($m eq 'min' ? 'max' : 'min')} = round($vfreq); - } else { - $valid = 0; - } - } - $edid{$valid ? 'monitor_range' : 'manufacturer_specified_range_timing'} = $range; - - } elsif ($flag == 0xfa) { - push @{$edid{standard_timings}}, add_standard_timing_modes(\%edid, unpack('a12', $vv)); - } elsif ($flag == 0xfc) { - my $prev = $edid{monitor_name}; - $edid{monitor_name} = ($prev ? "$prev " : '') . unpack('A13', $vv); - } elsif ($flag == 0xfe) { - push @{$edid{monitor_text}}, unpack('A13', $vv); - } elsif ($flag == 0xff) { - push @{$edid{serial_number2}}, unpack('A13', $vv); - } else { - $verbose && $vv ne "\0" x 13 && $vv ne " " x 13 and - warn "parse_edid: unknown flag $flag\n"; - } - } - } - } - - $edid{$field} = $v if $field && $field !~ /^_/; - } - - foreach (@eedid_blocks) { - my ($tag, $v) = unpack("C a*", $_); - - if ($tag == 0x02) { # CEA EDID - my $dtd_offset; - ($dtd_offset, $v) = unpack("x C x a*", $v); - - next if $dtd_offset < 4; - $dtd_offset -= 4; - - while ($dtd_offset > 0) { - my $h = get_many_bits($v, 'cea_data_block_collection'); - $dtd_offset -= $h->{size} + 1; - - my $vv; - ($vv, $v) = unpack("x a$h->{size} a*", $v); - if ($h->{type} == 0x02) { # Video Data Block - my @vmodes = unpack("a" x $h->{size}, $vv); - foreach my $vmode (@vmodes) { - $h = get_many_bits($vmode, 'cea_video_data_block'); - my $cea_mode = $cea_video_modes[$h->{mode} - 1]; - if (!$cea_mode) { - warn "parse_edid: unhandled CEA mode $h->{mode}\n" if $verbose; - next; - } - my %det_mode = (source => 'cea_vdb'); - @det_mode{@cea_video_mode_to_detailed_timing} = @$cea_mode; - push @{$edid{detailed_timings}}, \%det_mode; - } - } - } - - while (length($v) >= 18) { - (my $pixel_clock, my $vv, $v) = unpack("v a16 a*", $v); - last if !$pixel_clock; - my $h = build_detailed_timing($pixel_clock, $vv); - push @{$edid{detailed_timings}}, $h - if $h->{horizontal_active} > 1 && $h->{vertical_active} > 1; - } - } else { - $verbose && warn "parse_edid: unknown tag $tag\n"; - } - } - - $edid{max_size_precision} = 'cm'; - $edid{EISA_ID} = $edid{manufacturer_name} . sprintf('%04x', $edid{product_code}) if $edid{product_code} && $edid{manufacturer_name}; - - if ($edid{monitor_range}) { - $edid{HorizSync} = $edid{monitor_range}{horizontal_min} . '-' . $edid{monitor_range}{horizontal_max}; - $edid{VertRefresh} = $edid{monitor_range}{vertical_min} . '-' . $edid{monitor_range}{vertical_max}; - } - - if ($edid{max_size_vertical}) { - $edid{ratio} = $edid{max_size_horizontal} / $edid{max_size_vertical}; - $edid{ratio_name} = ratio_name($edid{max_size_horizontal}, $edid{max_size_vertical}, 'cm'); - $edid{ratio_precision} = 'cm'; - } - - if ($edid{feature_support}{has_preferred_timing} && $edid{detailed_timings}[0]) { - $edid{detailed_timings}[0]{preferred} = 1; - } - - foreach my $h (@{$edid{detailed_timings}}) { - - # EDID standard is ambiguous on how interlaced modes should be - # specified; workaround clearly broken modes: - if ($h->{interlaced}) { - foreach ("720x480", "1440x480", "2880x480", "720x576", "1440x576", "2880x576", "1920x1080") { - if ($_ eq $h->{horizontal_active} . 'x' . $h->{vertical_active} * 2) { - $h->{vertical_active} *= 2; - $h->{vertical_blanking} *= 2; - $h->{vertical_sync_offset} *= 2; - $h->{vertical_sync_pulse_width} *= 2; - $h->{vertical_blanking} |= 1; - } - } - } - - # if the mm size given in the detailed_timing is not far from the cm size - # put it as a more precise cm size - my %in_cm = map { $_ => $h->{$_ . '_image_size'} / 10 } ('horizontal', 'vertical'); - my ($error) = sort { $b <=> $a } map { abs($edid{'max_size_' . $_} - $in_cm{$_}) } keys %in_cm; - if ($error <= 0.5) { - $edid{'max_size_' . $_} = $in_cm{$_} foreach keys %in_cm; - $edid{max_size_precision} = 'mm'; - } - if ($error < 1 && $in_cm{vertical}) { - # using it for the ratio - $edid{ratio} = $in_cm{horizontal} / $in_cm{vertical}; - $edid{ratio_name} = ratio_name($in_cm{horizontal}, $in_cm{vertical}, 'mm'); - $edid{ratio_precision} = 'mm'; - } - - $h->{bad_ratio} = 1 if abs($edid{ratio} - $h->{horizontal_active} / $h->{vertical_active}) > ($edid{ratio_precision} eq 'mm' ? 0.02 : 0.2); - - if ($edid{max_size_vertical}) { - $h->{vertical_dpi} = $h->{vertical_active} / $edid{max_size_vertical} * 2.54; - } - if ($edid{max_size_horizontal}) { - $h->{horizontal_dpi} = $h->{horizontal_active} / $edid{max_size_horizontal} * 2.54; - } - my $dpi_string = ''; - if ($h->{vertical_dpi} && $h->{horizontal_dpi}) { - $dpi_string = - abs($h->{vertical_dpi} / $h->{horizontal_dpi} - 1) < 0.05 ? - sprintf("%d dpi", $h->{horizontal_dpi}) : - sprintf("%dx%d dpi", $h->{horizontal_dpi}, $h->{vertical_dpi}); - } - - my $horizontal_total = $h->{horizontal_active} + $h->{horizontal_blanking}; - my $vertical_total = $h->{vertical_active} + $h->{vertical_blanking}; - - $h->{ModeLine_comment} = sprintf qq(# Monitor %s%s modeline (%.1f Hz vsync, %.1f kHz hsync, %sratio %s%s)), - $h->{preferred} ? "preferred" : "supported", - $h->{source} eq 'cea_vdb' ? " CEA" : '', - $h->{pixel_clock} / $horizontal_total / $vertical_total * 1000 * 1000 * ($h->{interlaced} ? 2 : 1), - $h->{pixel_clock} / $horizontal_total * 1000, - $h->{interlaced} ? "interlaced, " : '', - nearest_ratio($h->{horizontal_active} / $h->{vertical_active}, 0.01) || sprintf("%.2f", $h->{horizontal_active} / $h->{vertical_active}), - $dpi_string ? ", $dpi_string" : ''; - - $h->{ModeLine} = sprintf qq("%dx%d" $h->{pixel_clock} %d %d %d %d %d %d %d %d %shsync %svsync%s), - $h->{horizontal_active}, $h->{vertical_active}, - - $h->{horizontal_active}, - $h->{horizontal_active} + $h->{horizontal_sync_offset}, - $h->{horizontal_active} + $h->{horizontal_sync_offset} + $h->{horizontal_sync_pulse_width}, - $horizontal_total, - - $h->{vertical_active}, - $h->{vertical_active} + $h->{vertical_sync_offset}, - $h->{vertical_active} + $h->{vertical_sync_offset} + $h->{vertical_sync_pulse_width}, - $vertical_total, - - $h->{horizontal_sync_positive} ? '+' : '-', - $h->{vertical_sync_positive} ? '+' : '-', - $h->{interlaced} ? ' Interlace' : ''; +foreach my $raw_edid (@raw_edids) { + my $edid = parse_edid($raw_edid, $verbose); + if (my $err = check_parsed_edid($edid)) { + die "$err\n"; } + $edid->{file} = $file if $file; - $edid{diagonal_size} = sqrt(sqr($edid{max_size_horizontal}) + - sqr($edid{max_size_vertical})) / 2.54; - - \%edid; -} - -sub nearest_ratio { - my ($ratio, $max_error) = @_; - my @sorted = - sort { $a->[1] <=> $b->[1] } - map { - my $error = abs($ratio - eval($_)); - $error > $max_error ? () : [ $_, $error ]; - } @known_ratios; - $sorted[0][0]; -} - -sub ratio_name { - my ($horizontal, $vertical, $precision) = @_; - - if ($precision eq 'mm') { - nearest_ratio($horizontal / $vertical, 0.1); + if ($raw_perl) { + use Data::Dumper; + $Data::Dumper::Sortkeys = 1; + my $s = Dumper($edid); + $s =~ s/.*? = {/+{/; # remove variable name we don't want + $s =~ s/};$/}/m; + print $s; + } elsif ($MonitorsDB) { + my $s = to_MonitorsDB($edid); + print "$s\n" if $s; } else { - my $error = 0.5; - my $ratio1 = nearest_ratio(($horizontal + $error) / ($vertical - $error), 0.2); - my $ratio2 = nearest_ratio(($horizontal - $error) / ($vertical + $error), 0.2); - $ratio1 && $ratio2 or return; - if ($ratio1 eq $ratio2) { - $ratio1; - } else { - my $ratio = nearest_ratio($horizontal / $vertical, 0.2); - join(' or ', $ratio, $ratio eq $ratio1 ? $ratio2 : $ratio1); - } + print_edid($edid, $verbose); } } -sub to_MonitorsDB { - my ($edid) = @_; - - if (!$edid->{monitor_range}) { - print STDERR "No monitor range data in EDID.\n"; - return; - } - if (!$edid->{EISA_ID}) { - print STDERR "No monitor EISA_ID in EDID.\n"; - return; - } - - my $detailed_timings = $edid->{detailed_timings} || []; - my @preferred_resolutions = map { - join('x', $_->{horizontal_active}, $_->{vertical_active}); - } grep { !$_->{bad_ratio} } @$detailed_timings; - - (my $monitor_name = $edid->{monitor_name}) =~ s/;/,/g; - my ($raw_vendor, $raw_model) = $edid->{EISA_ID} =~ /(...)(.*)/; - my ($VendorName, $only_Model) = - $monitor_name =~ /(\S+)\s(.*)/ ? - ($1, $2) : - ($raw_vendor, $monitor_name || $raw_model); +sub usage() { + die <<'EOF'; +usage: monitor-parse-edid [-v] [--perl] [<edid file>] +You can also do "xrandr --prop | monitor-parse-edid" +EOF +} - join('; ', - $VendorName, "$VendorName $only_Model", $edid->{EISA_ID}, - sprintf("%u-%u", $edid->{monitor_range}{horizontal_min}, $edid->{monitor_range}{horizontal_max}), - sprintf("%u-%u", $edid->{monitor_range}{vertical_min}, $edid->{monitor_range}{vertical_max}), - @$detailed_timings == 1 ? @preferred_resolutions : (), - ); +sub error { + my ($msg) = @_; + print STDERR ($file ? "$file: " : ''), $msg, "\n"; + exit 1; } sub print_edid { @@ -659,97 +121,3 @@ sub print_edid { print "\tModeLine ", $h->{ModeLine}, "\n"; } } - -sub edid_from_lines { - my (@l) = @_; - my $edid_str = join('', map { /\s+([0-9a-f]{32})$/ && $1 } @l); - if (length($edid_str) % (2 * 128) != 0 || length($edid_str) == 0) { - return (); - } - pack("C*", map { hex($_) } $edid_str =~ /(..)/g); -} - -sub find_edid_in_string { - my ($input) = @_; - - my @edids; - while ($input =~ /(?:EDID_DATA|: EDID \(in hex\)):\n((.*\n){8})/g) { - push @edids, edid_from_lines(split '\n', $1); - } - if (!@edids) { - @edids = edid_from_lines(split '\n', $input); - } - @edids; -} - -sub usage() { - die <<'EOF'; -usage: monitor-parse-edid [-v] [--perl] [<edid file>] -You can also do "xrandr --prop | monitor-parse-edid" -EOF -} - -use Getopt::Long; -GetOptions( - 'v' => \ (my $verbose), - 'perl' => \ (my $raw_perl), - 'MonitorsDB' => \ (my $MonitorsDB), -) or usage(); - -my ($file, $F); -if (@ARGV == 0) { - $F = *STDIN; -} elsif (@ARGV == 1) { - open($F, $file = $ARGV[0]) or usage(); -} else { - usage(); -} - -my $input = join('', <$F>); - -sub error { - my ($msg) = @_; - print STDERR ($file ? "$file: " : ''), $msg, "\n"; - exit 1; -} - -my @raw_edids; -my $length = length($input); -if ($length % 128 == 0 && $length >= 128 && $length <= 128 * 254) { - @raw_edids = $input; -} else { - @raw_edids = find_edid_in_string($input) or error("bad edid"); -} - -foreach my $raw_edid (@raw_edids) { - my $edid = parse_edid($raw_edid, $verbose); - if (my $err = check_parsed_edid($edid)) { - die "$err\n"; - } - $edid->{file} = $file if $file; - - if ($raw_perl) { - use Data::Dumper; - $Data::Dumper::Sortkeys = 1; - my $s = Dumper($edid); - $s =~ s/.*? = {/+{/; # remove variable name we don't want - $s =~ s/};$/}/m; - print $s; - } elsif ($MonitorsDB) { - my $s = to_MonitorsDB($edid); - print "$s\n" if $s; - } else { - print_edid($edid, $verbose); - } -} - - -sub sqr { $_[0] * $_[0] } -sub round { int($_[0] + 0.5) } -sub group_by2 { - my @l; - for (my $i = 0; $i < @_; $i += 2) { - push @l, [ $_[$i], $_[$i+1] ]; - } - @l; -} |