Media (Windows): detect with external DLL

For backup only

src/detection/media/media.c

@@ -20,6 +20,10 @@ const FFMediaResult* ffDetectMedia(void)
 
         if(result.song.length == 0 && result.error.length == 0)
             ffStrbufAppendS(&result.error, "No media found");
+        ffStrbufTrimRightSpace(&result.song);
+        ffStrbufTrimRightSpace(&result.artist);
+        ffStrbufTrimRightSpace(&result.album);
+        ffStrbufTrimRightSpace(&result.player);
     }
 
     return &result;

src/detection/media/media_windows.c

@@ -0,0 +1,52 @@
+#include "fastfetch.h"
+#include "common/library.h"
+#include "util/windows/unicode.h"
+#include "media.h"
+
+#define FF_MEDIA_WIN_RESULT_BUFLEN 256
+
+typedef struct FFMediaWinResult
+{
+    wchar_t playerId[FF_MEDIA_WIN_RESULT_BUFLEN];
+    wchar_t song[FF_MEDIA_WIN_RESULT_BUFLEN];
+    wchar_t artist[FF_MEDIA_WIN_RESULT_BUFLEN];
+    wchar_t album[FF_MEDIA_WIN_RESULT_BUFLEN];
+    char status[FF_MEDIA_WIN_RESULT_BUFLEN];
+    char error[FF_MEDIA_WIN_RESULT_BUFLEN];
+} FFMediaWinResult;
+
+bool ffMediaWinDetectMedia(FFMediaWinResult* result);
+
+static const char* getMedia(FFMediaResult* media)
+{
+    FF_LIBRARY_LOAD(libffdll, NULL, "dlopen fastfetch-dll" FF_LIBRARY_EXTENSION " failed", "fastfetch-dll" FF_LIBRARY_EXTENSION, 0)
+    FF_LIBRARY_LOAD_SYMBOL_MESSAGE(libffdll, ffMediaWinDetectMedia)
+    libffdll = NULL; // Don't close libffdll or it may crash
+
+    FFMediaWinResult result = {};
+
+    if (!ffffMediaWinDetectMedia(&result))
+    {
+        ffStrbufAppendS(&media->error, result.error);
+        ffStrbufAppendS(&media->error, " (DLL error)");
+        return NULL;
+    }
+
+    ffStrbufSetWS(&media->playerId, result.playerId);
+    ffStrbufSet(&media->player, &media->playerId);
+    if (ffStrbufEndsWithIgnCaseS(&media->player, ".exe"))
+        ffStrbufSubstrBefore(&media->player, media->player.length - 4);
+    else
+        ffStrbufSubstrAfterFirstC(&media->player, '!'); // UWP ID
+    ffStrbufSetWS(&media->song, result.song);
+    ffStrbufSetWS(&media->artist, result.artist);
+    ffStrbufSetWS(&media->album, result.album);
+    ffStrbufSetS(&media->status, result.status);
+    return NULL;
+}
+
+void ffDetectMediaImpl(FFMediaResult* media)
+{
+    const char* error = getMedia(media);
+    ffStrbufAppendS(&media->error, error);
+}