PhysicalDisplay: rename module to Monitor

2026-11-06 13:14:21 +01:00 · 2023-08-09 16:31:24 +08:00
parent d8e221517b
commit 7965107347
19 changed files with 90 additions and 96 deletions
@@ -0,0 +1,61 @@
+#include "monitor.h"
+
+#include "common/io/io.h"
+#include "util/edidHelper.h"
+#include "util/stringUtils.h"
+
+#include <dirent.h>
+
+const char* ffDetectMonitor(FFlist* results)
+{
+    const char* drmDirPath = "/sys/class/drm/";
+
+    DIR* dirp = opendir(drmDirPath);
+    if(dirp == NULL)
+        return "opendir(drmDirPath) == NULL";
+
+    FF_STRBUF_AUTO_DESTROY drmDir = ffStrbufCreateA(64);
+    ffStrbufAppendS(&drmDir, drmDirPath);
+
+    uint32_t drmDirLength = drmDir.length;
+
+    struct dirent* entry;
+    while((entry = readdir(dirp)) != NULL)
+    {
+        if(ffStrEquals(entry->d_name, ".") || ffStrEquals(entry->d_name, ".."))
+            continue;
+
+        ffStrbufAppendS(&drmDir, entry->d_name);
+        ffStrbufAppendS(&drmDir, "/edid");
+
+        uint8_t edidData[128];
+        if(ffReadFileData(drmDir.chars, sizeof(edidData), edidData) != sizeof(edidData))
+        {
+            ffStrbufSubstrBefore(&drmDir, drmDirLength);
+            continue;
+        }
+
+        uint32_t width, height;
+        ffEdidGetPhysicalResolution(edidData, &width, &height);
+        if (width != 0 && height != 0)
+        {
+            const char* plainName = entry->d_name;
+            if (ffStrStartsWith(plainName, "card"))
+            {
+                const char* tmp = strchr(plainName + strlen("card"), '-');
+                if (tmp) plainName = tmp + 1;
+            }
+
+            FFMonitorResult* display = (FFMonitorResult*) ffListAdd(results);
+            display->width = width;
+            display->height = height;
+            ffStrbufInitS(&display->name, plainName);
+            ffEdidGetPhysicalSize(edidData, &display->physicalWidth, &display->physicalHeight);
+        }
+
+        ffStrbufSubstrBefore(&drmDir, drmDirLength);
+    }
+
+    closedir(dirp);
+    return NULL;
+}