Initial commit

1 files changed, 753 insertions, 0 deletions

diff --git a/contrib/SDL-3.2.8/src/video/x11/edid-parse.c b/contrib/SDL-3.2.8/src/video/x11/edid-parse.c
new file mode 100644
index 0000000..eca187b
--- /dev/null
+++ b/contrib/SDL-3.2.8/src/video/x11/edid-parse.c
@@ -0,0 +1,753 @@
+/*
+ * Copyright 2007 Red Hat, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * on the rights to use, copy, modify, merge, publish, distribute, sub
+ * license, and/or sell copies of the Software, and to permit persons to whom
+ * the Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/* Author: Soren Sandmann <sandmann@redhat.com> */
+#include "SDL_internal.h"
+
+#include "edid.h"
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+#include <stdio.h>
+
+#define TRUE 1
+#define FALSE 0
+
+static int
+get_bit (int in, int bit)
+{
+    return (in & (1 << bit)) >> bit;
+}
+
+static int
+get_bits (int in, int begin, int end)
+{
+    int mask = (1 << (end - begin + 1)) - 1;
+    
+    return (in >> begin) & mask;
+}
+
+static int
+decode_header (const uchar *edid)
+{
+    if (SDL_memcmp (edid, "\x00\xff\xff\xff\xff\xff\xff\x00", 8) == 0)
+        return TRUE;
+    return FALSE;
+}
+
+static int
+decode_vendor_and_product_identification (const uchar *edid, MonitorInfo *info)
+{
+    int is_model_year;
+    
+    /* Manufacturer Code */
+    info->manufacturer_code[0]  = get_bits (edid[0x08], 2, 6);
+    info->manufacturer_code[1]  = get_bits (edid[0x08], 0, 1) << 3;
+    info->manufacturer_code[1] |= get_bits (edid[0x09], 5, 7);
+    info->manufacturer_code[2]  = get_bits (edid[0x09], 0, 4);
+    info->manufacturer_code[3]  = '\0';
+    
+    info->manufacturer_code[0] += 'A' - 1;
+    info->manufacturer_code[1] += 'A' - 1;
+    info->manufacturer_code[2] += 'A' - 1;
+
+    /* Product Code */
+    info->product_code = edid[0x0b] << 8 | edid[0x0a];
+
+    /* Serial Number */
+    info->serial_number =
+        edid[0x0c] | edid[0x0d] << 8 | edid[0x0e] << 16 | (Uint32)edid[0x0f] << 24;
+
+    /* Week and Year */
+    is_model_year = FALSE;
+    switch (edid[0x10])
+    {
+    case 0x00:
+        info->production_week = -1;
+        break;
+
+    case 0xff:
+        info->production_week = -1;
+        is_model_year = TRUE;
+        break;
+
+    default:
+        info->production_week = edid[0x10];
+        break;
+    }
+
+    if (is_model_year)
+    {
+        info->production_year = -1;
+        info->model_year = 1990 + edid[0x11];
+    }
+    else
+    {
+        info->production_year = 1990 + edid[0x11];
+        info->model_year = -1;
+    }
+
+    return TRUE;
+}
+
+static int
+decode_edid_version (const uchar *edid, MonitorInfo *info)
+{
+    info->major_version = edid[0x12];
+    info->minor_version = edid[0x13];
+
+    return TRUE;
+}
+
+static int
+decode_display_parameters (const uchar *edid, MonitorInfo *info)
+{
+    /* Digital vs Analog */
+    info->is_digital = get_bit (edid[0x14], 7);
+
+    if (info->is_digital)
+    {
+        int bits;
+        
+        static const int bit_depth[8] =
+        {
+            -1, 6, 8, 10, 12, 14, 16, -1
+        };
+
+        static const Interface interfaces[6] =
+        {
+            UNDEFINED, DVI, HDMI_A, HDMI_B, MDDI, DISPLAY_PORT
+        };
+
+        bits = get_bits (edid[0x14], 4, 6);
+        info->ad.digital.bits_per_primary = bit_depth[bits];
+
+        bits = get_bits (edid[0x14], 0, 3);
+        
+        if (bits <= 5)
+            info->ad.digital.interface = interfaces[bits];
+        else
+            info->ad.digital.interface = UNDEFINED;
+    }
+    else
+    {
+        int bits = get_bits (edid[0x14], 5, 6);
+        
+        static const double levels[][3] =
+        {
+            { 0.7,   0.3,    1.0 },
+            { 0.714, 0.286,  1.0 },
+            { 1.0,   0.4,    1.4 },
+            { 0.7,   0.0,    0.7 },
+        };
+
+        info->ad.analog.video_signal_level = levels[bits][0];
+        info->ad.analog.sync_signal_level = levels[bits][1];
+        info->ad.analog.total_signal_level = levels[bits][2];
+
+        info->ad.analog.blank_to_black = get_bit (edid[0x14], 4);
+
+        info->ad.analog.separate_hv_sync = get_bit (edid[0x14], 3);
+        info->ad.analog.composite_sync_on_h = get_bit (edid[0x14], 2);
+        info->ad.analog.composite_sync_on_green = get_bit (edid[0x14], 1);
+
+        info->ad.analog.serration_on_vsync = get_bit (edid[0x14], 0);
+    }
+
+    /* Screen Size / Aspect Ratio */
+    if (edid[0x15] == 0 && edid[0x16] == 0)
+    {
+        info->width_mm = -1;
+        info->height_mm = -1;
+        info->aspect_ratio = -1.0;
+    }
+    else if (edid[0x16] == 0)
+    {
+        info->width_mm = -1;
+        info->height_mm = -1; 
+        info->aspect_ratio = 100.0 / (edid[0x15] + 99);
+    }
+    else if (edid[0x15] == 0)
+    {
+        info->width_mm = -1;
+        info->height_mm = -1;
+        info->aspect_ratio = 100.0 / (edid[0x16] + 99);
+        info->aspect_ratio = 1/info->aspect_ratio; /* portrait */
+    }
+    else
+    {
+        info->width_mm = 10 * edid[0x15];
+        info->height_mm = 10 * edid[0x16];
+    }
+
+    /* Gamma */
+    if (edid[0x17] == 0xFF)
+        info->gamma = -1.0;
+    else
+        info->gamma = (edid[0x17] + 100.0) / 100.0;
+
+    /* Features */
+    info->standby = get_bit (edid[0x18], 7);
+    info->suspend = get_bit (edid[0x18], 6);
+    info->active_off = get_bit (edid[0x18], 5);
+
+    if (info->is_digital)
+    {
+        info->ad.digital.rgb444 = TRUE;
+        if (get_bit (edid[0x18], 3))
+            info->ad.digital.ycrcb444 = 1;
+        if (get_bit (edid[0x18], 4))
+            info->ad.digital.ycrcb422 = 1;
+    }
+    else
+    {
+        int bits = get_bits (edid[0x18], 3, 4);
+        ColorType color_type[4] =
+        {
+            MONOCHROME, RGB, OTHER_COLOR, UNDEFINED_COLOR
+        };
+
+        info->ad.analog.color_type = color_type[bits];
+    }
+
+    info->srgb_is_standard = get_bit (edid[0x18], 2);
+
+    /* In 1.3 this is called "has preferred timing" */
+    info->preferred_timing_includes_native = get_bit (edid[0x18], 1);
+
+    /* FIXME: In 1.3 this indicates whether the monitor accepts GTF */
+    info->continuous_frequency = get_bit (edid[0x18], 0);
+    return TRUE;
+}
+
+static double
+decode_fraction (int high, int low)
+{
+    double result = 0.0;
+    int i;
+
+    high = (high << 2) | low;
+
+    for (i = 0; i < 10; ++i)
+        result += get_bit (high, i) * SDL_pow (2, i - 10);
+
+    return result;
+}
+
+static int
+decode_color_characteristics (const uchar *edid, MonitorInfo *info)
+{
+    info->red_x = decode_fraction (edid[0x1b], get_bits (edid[0x19], 6, 7));
+    info->red_y = decode_fraction (edid[0x1c], get_bits (edid[0x19], 5, 4));
+    info->green_x = decode_fraction (edid[0x1d], get_bits (edid[0x19], 2, 3));
+    info->green_y = decode_fraction (edid[0x1e], get_bits (edid[0x19], 0, 1));
+    info->blue_x = decode_fraction (edid[0x1f], get_bits (edid[0x1a], 6, 7));
+    info->blue_y = decode_fraction (edid[0x20], get_bits (edid[0x1a], 4, 5));
+    info->white_x = decode_fraction (edid[0x21], get_bits (edid[0x1a], 2, 3));
+    info->white_y = decode_fraction (edid[0x22], get_bits (edid[0x1a], 0, 1));
+
+    return TRUE;
+}
+
+static int
+decode_established_timings (const uchar *edid, MonitorInfo *info)
+{
+    static const Timing established[][8] = 
+    {
+        {
+            { 800, 600, 60 },
+            { 800, 600, 56 },
+            { 640, 480, 75 },
+            { 640, 480, 72 },
+            { 640, 480, 67 },
+            { 640, 480, 60 },
+            { 720, 400, 88 },
+            { 720, 400, 70 }
+        },
+        {
+            { 1280, 1024, 75 },
+            { 1024, 768, 75 },
+            { 1024, 768, 70 },
+            { 1024, 768, 60 },
+            { 1024, 768, 87 },
+            { 832, 624, 75 },
+            { 800, 600, 75 },
+            { 800, 600, 72 }
+        },
+        {
+            { 0, 0, 0 },
+            { 0, 0, 0 },
+            { 0, 0, 0 },
+            { 0, 0, 0 },
+            { 0, 0, 0 },
+            { 0, 0, 0 },
+            { 0, 0, 0 },
+            { 1152, 870, 75 }
+        },
+    };
+
+    int i, j, idx;
+
+    idx = 0;
+    for (i = 0; i < 3; ++i)
+    {
+        for (j = 0; j < 8; ++j)
+        {
+            int byte = edid[0x23 + i];
+
+            if (get_bit (byte, j) && established[i][j].frequency != 0)
+                info->established[idx++] = established[i][j];
+        }
+    }
+    return TRUE;
+}
+
+static int
+decode_standard_timings (const uchar *edid, MonitorInfo *info)
+{
+    int i;
+    
+    for (i = 0; i < 8; i++)
+    {
+        int first = edid[0x26 + 2 * i];
+        int second = edid[0x27 + 2 * i];
+
+        if (first != 0x01 && second != 0x01)
+        {
+            int w = 8 * (first + 31);
+            int h = 0;
+
+            switch (get_bits (second, 6, 7))
+            {
+            case 0x00: h = (w / 16) * 10; break;
+            case 0x01: h = (w / 4) * 3; break;
+            case 0x02: h = (w / 5) * 4; break;
+            case 0x03: h = (w / 16) * 9; break;
+            }
+
+            info->standard[i].width = w;
+            info->standard[i].height = h;
+            info->standard[i].frequency = get_bits (second, 0, 5) + 60;
+        }
+    }
+    
+    return TRUE;
+}
+
+static void
+decode_lf_string (const uchar *s, int n_chars, char *result)
+{
+    int i;
+    for (i = 0; i < n_chars; ++i)
+    {
+        if (s[i] == 0x0a)
+        {
+            *result++ = '\0';
+            break;
+        }
+        else if (s[i] == 0x00)
+        {
+            /* Convert embedded 0's to spaces */
+            *result++ = ' ';
+        }
+        else
+        {
+            *result++ = s[i];
+        }
+    }
+}
+
+static void
+decode_display_descriptor (const uchar *desc,
+                           MonitorInfo *info)
+{
+    switch (desc[0x03])
+    {
+    case 0xFC:
+        decode_lf_string (desc + 5, 13, info->dsc_product_name);
+        break;
+    case 0xFF:
+        decode_lf_string (desc + 5, 13, info->dsc_serial_number);
+        break;
+    case 0xFE:
+        decode_lf_string (desc + 5, 13, info->dsc_string);
+        break;
+    case 0xFD:
+        /* Range Limits */
+        break;
+    case 0xFB:
+        /* Color Point */
+        break;
+    case 0xFA:
+        /* Timing Identifications */
+        break;
+    case 0xF9:
+        /* Color Management */
+        break;
+    case 0xF8:
+        /* Timing Codes */
+        break;
+    case 0xF7:
+        /* Established Timings */
+        break;
+    case 0x10:
+        break;
+    }
+}
+
+static void
+decode_detailed_timing (const uchar *timing,
+                        DetailedTiming *detailed)
+{
+    int bits;
+    StereoType stereo[] =
+    {
+        NO_STEREO, NO_STEREO, FIELD_RIGHT, FIELD_LEFT,
+        TWO_WAY_RIGHT_ON_EVEN, TWO_WAY_LEFT_ON_EVEN,
+        FOUR_WAY_INTERLEAVED, SIDE_BY_SIDE
+    };
+    
+    detailed->pixel_clock = (timing[0x00] | timing[0x01] << 8) * 10000;
+    detailed->h_addr = timing[0x02] | ((timing[0x04] & 0xf0) << 4);
+    detailed->h_blank = timing[0x03] | ((timing[0x04] & 0x0f) << 8);
+    detailed->v_addr = timing[0x05] | ((timing[0x07] & 0xf0) << 4);
+    detailed->v_blank = timing[0x06] | ((timing[0x07] & 0x0f) << 8);
+    detailed->h_front_porch = timing[0x08] | get_bits (timing[0x0b], 6, 7) << 8;
+    detailed->h_sync = timing[0x09] | get_bits (timing[0x0b], 4, 5) << 8;
+    detailed->v_front_porch =
+        get_bits (timing[0x0a], 4, 7) | get_bits (timing[0x0b], 2, 3) << 4;
+    detailed->v_sync =
+        get_bits (timing[0x0a], 0, 3) | get_bits (timing[0x0b], 0, 1) << 4;
+    detailed->width_mm =  timing[0x0c] | get_bits (timing[0x0e], 4, 7) << 8;
+    detailed->height_mm = timing[0x0d] | get_bits (timing[0x0e], 0, 3) << 8;
+    detailed->right_border = timing[0x0f];
+    detailed->top_border = timing[0x10];
+
+    detailed->interlaced = get_bit (timing[0x11], 7);
+
+    /* Stereo */
+    bits = get_bits (timing[0x11], 5, 6) << 1 | get_bit (timing[0x11], 0);
+    detailed->stereo = stereo[bits];
+
+    /* Sync */
+    bits = timing[0x11];
+
+    detailed->digital_sync = get_bit (bits, 4);
+    if (detailed->digital_sync)
+    {
+        detailed->ad.digital.composite = !get_bit (bits, 3);
+
+        if (detailed->ad.digital.composite)
+        {
+            detailed->ad.digital.serrations = get_bit (bits, 2);
+            detailed->ad.digital.negative_vsync = FALSE;
+        }
+        else
+        {
+            detailed->ad.digital.serrations = FALSE;
+            detailed->ad.digital.negative_vsync = !get_bit (bits, 2);
+        }
+
+        detailed->ad.digital.negative_hsync = !get_bit (bits, 0);
+    }
+    else
+    {
+        detailed->ad.analog.bipolar = get_bit (bits, 3);
+        detailed->ad.analog.serrations = get_bit (bits, 2);
+        detailed->ad.analog.sync_on_green = !get_bit (bits, 1);
+    }
+}
+
+static int
+decode_descriptors (const uchar *edid, MonitorInfo *info)
+{
+    int i;
+    int timing_idx;
+    
+    timing_idx = 0;
+    
+    for (i = 0; i < 4; ++i)
+    {
+        int index = 0x36 + i * 18;
+
+        if (edid[index + 0] == 0x00 && edid[index + 1] == 0x00)
+        {
+            decode_display_descriptor (edid + index, info);
+        }
+        else
+        {
+            decode_detailed_timing (
+                edid + index, &(info->detailed_timings[timing_idx++]));
+        }
+    }
+
+    info->n_detailed_timings = timing_idx;
+
+    return TRUE;
+}
+
+static void
+decode_check_sum (const uchar *edid,
+                  MonitorInfo *info)
+{
+    int i;
+    uchar check = 0;
+
+    for (i = 0; i < 128; ++i)
+        check += edid[i];
+
+    info->checksum = check;
+}
+
+MonitorInfo *
+decode_edid (const uchar *edid)
+{
+    MonitorInfo *info = SDL_calloc (1, sizeof (MonitorInfo));
+
+    decode_check_sum (edid, info);
+    
+    if (!decode_header (edid) ||
+        !decode_vendor_and_product_identification (edid, info) ||
+        !decode_edid_version (edid, info) ||
+        !decode_display_parameters (edid, info) ||
+        !decode_color_characteristics (edid, info) ||
+        !decode_established_timings (edid, info) ||
+        !decode_standard_timings (edid, info) ||
+        !decode_descriptors (edid, info)) {
+        SDL_free(info);
+        return NULL;
+    }
+    
+    return info;
+}
+
+static const char *
+yesno (int v)
+{
+    return v? "yes" : "no";
+}
+
+void
+dump_monitor_info (MonitorInfo *info)
+{
+    int i;
+    
+    printf ("Checksum: %d (%s)\n",
+            info->checksum, info->checksum? "incorrect" : "correct");
+    printf ("Manufacturer Code: %s\n", info->manufacturer_code);
+    printf ("Product Code: 0x%x\n", info->product_code);
+    printf ("Serial Number: %u\n", info->serial_number);
+    
+    if (info->production_week != -1)
+        printf ("Production Week: %d\n", info->production_week);
+    else
+        printf ("Production Week: unspecified\n");
+    
+    if (info->production_year != -1)
+        printf ("Production Year: %d\n", info->production_year);
+    else
+        printf ("Production Year: unspecified\n");
+    
+    if (info->model_year != -1)
+        printf ("Model Year: %d\n", info->model_year);
+    else
+        printf ("Model Year: unspecified\n");
+    
+    printf ("EDID revision: %d.%d\n", info->major_version, info->minor_version);
+    
+    printf ("Display is %s\n", info->is_digital? "digital" : "analog");
+    if (info->is_digital)
+    {
+        const char *interface;
+        if (info->ad.digital.bits_per_primary != -1)
+            printf ("Bits Per Primary: %d\n", info->ad.digital.bits_per_primary);
+        else
+            printf ("Bits Per Primary: undefined\n");
+        
+        switch (info->ad.digital.interface)
+        {
+        case DVI: interface = "DVI"; break;
+        case HDMI_A: interface = "HDMI-a"; break;
+        case HDMI_B: interface = "HDMI-b"; break;
+        case MDDI: interface = "MDDI"; break;
+        case DISPLAY_PORT: interface = "DisplayPort"; break;
+        case UNDEFINED: interface = "undefined"; break;
+        default: interface = "unknown"; break;
+        }
+        printf ("Interface: %s\n", interface);
+        
+        printf ("RGB 4:4:4: %s\n", yesno (info->ad.digital.rgb444));
+        printf ("YCrCb 4:4:4: %s\n", yesno (info->ad.digital.ycrcb444));
+        printf ("YCrCb 4:2:2: %s\n", yesno (info->ad.digital.ycrcb422));
+    }
+    else
+    {
+       const char *s;
+        printf ("Video Signal Level: %f\n", info->ad.analog.video_signal_level);
+        printf ("Sync Signal Level: %f\n", info->ad.analog.sync_signal_level);
+        printf ("Total Signal Level: %f\n", info->ad.analog.total_signal_level);
+        
+        printf ("Blank to Black: %s\n",
+                yesno (info->ad.analog.blank_to_black));
+        printf ("Separate HV Sync: %s\n",
+                yesno (info->ad.analog.separate_hv_sync));
+        printf ("Composite Sync on H: %s\n",
+                yesno (info->ad.analog.composite_sync_on_h));
+        printf ("Serration on VSync: %s\n",
+                yesno (info->ad.analog.serration_on_vsync));
+        
+        switch (info->ad.analog.color_type)
+        {
+        case UNDEFINED_COLOR: s = "undefined"; break;
+        case MONOCHROME: s = "monochrome"; break;
+        case RGB: s = "rgb"; break;
+        case OTHER_COLOR: s = "other color"; break;
+        default: s = "unknown"; break;
+        }
+        
+        printf ("Color: %s\n", s);
+    }
+    
+    if (info->width_mm == -1)
+        printf ("Width: undefined\n");
+    else
+        printf ("Width: %d mm\n", info->width_mm);
+    
+    if (info->height_mm == -1)
+        printf ("Height: undefined\n");
+    else
+        printf ("Height: %d mm\n", info->height_mm);
+    
+    if (info->aspect_ratio > 0)
+        printf ("Aspect Ratio: %f\n", info->aspect_ratio);
+    else
+        printf ("Aspect Ratio: undefined\n");
+    
+    if (info->gamma >= 0)
+        printf ("Gamma: %f\n", info->gamma);
+    else
+        printf ("Gamma: undefined\n");
+    
+    printf ("Standby: %s\n", yesno (info->standby));
+    printf ("Suspend: %s\n", yesno (info->suspend));
+    printf ("Active Off: %s\n", yesno (info->active_off));
+    
+    printf ("SRGB is Standard: %s\n", yesno (info->srgb_is_standard));
+    printf ("Preferred Timing Includes Native: %s\n",
+            yesno (info->preferred_timing_includes_native));
+    printf ("Continuous Frequency: %s\n", yesno (info->continuous_frequency));
+    
+    printf ("Red X: %f\n", info->red_x);
+    printf ("Red Y: %f\n", info->red_y);
+    printf ("Green X: %f\n", info->green_x);
+    printf ("Green Y: %f\n", info->green_y);
+    printf ("Blue X: %f\n", info->blue_x);
+    printf ("Blue Y: %f\n", info->blue_y);
+    printf ("White X: %f\n", info->white_x);
+    printf ("White Y: %f\n", info->white_y);
+    
+    printf ("Established Timings:\n");
+    
+    for (i = 0; i < 24; ++i)
+    {
+        Timing *timing = &(info->established[i]);
+        
+        if (timing->frequency == 0)
+            break;
+        
+        printf ("  %d x %d @ %d Hz\n",
+                timing->width, timing->height, timing->frequency);
+        
+    }
+    
+    printf ("Standard Timings:\n");
+    for (i = 0; i < 8; ++i)
+    {
+        Timing *timing = &(info->standard[i]);
+        
+        if (timing->frequency == 0)
+            break;
+        
+        printf ("  %d x %d @ %d Hz\n",
+                timing->width, timing->height, timing->frequency);
+    }
+    
+    for (i = 0; i < info->n_detailed_timings; ++i)
+    {
+        DetailedTiming *timing = &(info->detailed_timings[i]);
+        const char *s;
+        
+        printf ("Timing%s: \n",
+                (i == 0 && info->preferred_timing_includes_native)?
+                " (Preferred)" : "");
+        printf ("  Pixel Clock: %d\n", timing->pixel_clock);
+        printf ("  H Addressable: %d\n", timing->h_addr);
+        printf ("  H Blank: %d\n", timing->h_blank);
+        printf ("  H Front Porch: %d\n", timing->h_front_porch);
+        printf ("  H Sync: %d\n", timing->h_sync);
+        printf ("  V Addressable: %d\n", timing->v_addr);
+        printf ("  V Blank: %d\n", timing->v_blank);
+        printf ("  V Front Porch: %d\n", timing->v_front_porch);
+        printf ("  V Sync: %d\n", timing->v_sync);
+        printf ("  Width: %d mm\n", timing->width_mm);
+        printf ("  Height: %d mm\n", timing->height_mm);
+        printf ("  Right Border: %d\n", timing->right_border);
+        printf ("  Top Border: %d\n", timing->top_border);
+        switch (timing->stereo)
+        {
+        default:
+        case NO_STEREO:   s = "No Stereo"; break;
+        case FIELD_RIGHT: s = "Field Sequential, Right on Sync"; break;
+        case FIELD_LEFT:  s = "Field Sequential, Left on Sync"; break;
+        case TWO_WAY_RIGHT_ON_EVEN: s = "Two-way, Right on Even"; break;
+        case TWO_WAY_LEFT_ON_EVEN:  s = "Two-way, Left on Even"; break;
+        case FOUR_WAY_INTERLEAVED:  s = "Four-way Interleaved"; break;
+        case SIDE_BY_SIDE:          s = "Side-by-Side"; break;
+        }
+        printf ("  Stereo: %s\n", s);
+        
+        if (timing->digital_sync)
+        {
+            printf ("  Digital Sync:\n");
+            printf ("    composite: %s\n", yesno (timing->ad.digital.composite));
+            printf ("    serrations: %s\n", yesno (timing->ad.digital.serrations));
+            printf ("    negative vsync: %s\n",
+                    yesno (timing->ad.digital.negative_vsync));
+            printf ("    negative hsync: %s\n",
+                    yesno (timing->ad.digital.negative_hsync));
+        }
+        else
+        {
+            printf ("  Analog Sync:\n");
+            printf ("    bipolar: %s\n", yesno (timing->ad.analog.bipolar));
+            printf ("    serrations: %s\n", yesno (timing->ad.analog.serrations));
+            printf ("    sync on green: %s\n", yesno (
+                        timing->ad.analog.sync_on_green));
+        }
+    }
+    
+    printf ("Detailed Product information:\n");
+    printf ("  Product Name: %s\n", info->dsc_product_name);
+    printf ("  Serial Number: %s\n", info->dsc_serial_number);
+    printf ("  Unspecified String: %s\n", info->dsc_string);
+}
+