Display: print preferred resolution & refresh rate in custom format

Fix #1406

Author: CarterLi

src/modules/display/display.c

@@ -6,7 +6,7 @@
 
 #include <math.h>
 
-#define FF_DISPLAY_NUM_FORMAT_ARGS 21
+#define FF_DISPLAY_NUM_FORMAT_ARGS 24
 
 static int sortByNameAsc(FFDisplayResult* a, FFDisplayResult* b)
 {
@@ -164,6 +164,17 @@ void ffPrintDisplay(FFDisplayOptions* options)
             else
                 refreshRate[0] = 0;
 
+            char preferredRefreshRate[16];
+            if(result->preferredRefreshRate > 0)
+            {
+                if(options->preciseRefreshRate)
+                    snprintf(preferredRefreshRate, ARRAY_SIZE(preferredRefreshRate), "%g", ((int) (result->preferredRefreshRate * 1000 + 0.5)) / 1000.0);
+                else
+                    snprintf(preferredRefreshRate, ARRAY_SIZE(preferredRefreshRate), "%i", (uint32_t) (result->preferredRefreshRate + 0.5));
+            }
+            else
+                preferredRefreshRate[0] = 0;
+
             char buf[32];
             if (result->serial)
             {
@@ -197,6 +208,9 @@ void ffPrintDisplay(FFDisplayOptions* options)
                 FF_FORMAT_ARG(result->platformApi, "platform-api"),
                 FF_FORMAT_ARG(hdrCompatible, "hdr-compatible"),
                 FF_FORMAT_ARG(scaleFactor, "scale-factor"),
+                FF_FORMAT_ARG(result->preferredWidth, "preferred-width"),
+                FF_FORMAT_ARG(result->preferredHeight, "preferred-height"),
+                FF_FORMAT_ARG(preferredRefreshRate, "preferred-refresh-rate"),
             }));
         }
     }
@@ -424,9 +438,9 @@ void ffGenerateDisplayJsonResult(FF_MAYBE_UNUSED FFDisplayOptions* options, yyjs
 void ffPrintDisplayHelpFormat(void)
 {
     FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_DISPLAY_MODULE_NAME, "{1}x{2} @ {3}Hz (as {4}x{5}) [{7}]", FF_DISPLAY_NUM_FORMAT_ARGS, ((const char* []) {
-        "Screen width (in pixels) - width",
-        "Screen height (in pixels) - height",
-        "Screen refresh rate (in Hz) - refresh-rate",
+        "Screen configured width (in pixels) - width",
+        "Screen configured height (in pixels) - height",
+        "Screen configured refresh rate (in Hz) - refresh-rate",
         "Screen scaled width (in pixels) - scaled-width",
         "Screen scaled height (in pixels) - scaled-height",
         "Screen name - name",
@@ -445,6 +459,9 @@ void ffPrintDisplayHelpFormat(void)
         "The platform API used when detecting the display - platform-api",
         "True if the display is HDR compatible - hdr-compatible",
         "HiDPI scale factor - scale-factor",
+        "Screen preferred width (in pixels) - preferred-width",
+        "Screen preferred height (in pixels) - preferred-height",
+        "Screen preferred refresh rate (in Hz) - preferred-refresh-rate",
     }));
 }