cocoaui, pltbrowser: fix int overflow bug resulting in negative values in total playback time calculation (fixes #3270)

Author: Oleksiy-Yakovenko

plugins/cocoaui/DesignMode/Widgets/PlaylistBrowser/PlaylistBrowserViewController.m

@@ -270,10 +270,10 @@ - (NSView *)tableView:(NSTableView *)tableView viewForTableColumn:(NSTableColumn
     }
     else if ([tableColumn.identifier isEqualToString:@"Duration"]) {
         float pl_totaltime = deadbeef->plt_get_totaltime (plt);
-        int daystotal = (int)pl_totaltime / (3600*24);
-        int hourtotal = ((int)pl_totaltime / 3600) % 24;
-        int mintotal = ((int)pl_totaltime/60) % 60;
-        int sectotal = ((int)pl_totaltime) % 60;
+        int daystotal = (int)(int64_t)pl_totaltime / (3600 * 24);
+        int hourtotal = (int)((int64_t)pl_totaltime / 3600) % 24;
+        int mintotal = (int)((int64_t)pl_totaltime / 60) % 60;
+        int sectotal = (int)((int64_t)pl_totaltime) % 60;
 
         char totaltime_str[512] = "";
         if (daystotal == 0) {

plugins/cocoaui/MainWindowController.m

@@ -205,10 +205,10 @@ - (void)updateSonginfo {
     char sbtext_new[512] = "-";
 
     float pl_totaltime = roundf(deadbeef->pl_get_totaltime ());
-    int daystotal = (int)pl_totaltime / (3600*24);
-    int hourtotal = ((int)pl_totaltime / 3600) % 24;
-    int mintotal = ((int)pl_totaltime/60) % 60;
-    int sectotal = ((int)pl_totaltime) % 60;
+    int daystotal = (int)(int64_t)pl_totaltime / (3600 * 24);
+    int hourtotal = (int)((int64_t)pl_totaltime / 3600) % 24;
+    int mintotal = (int)((int64_t)pl_totaltime / 60) % 60;
+    int sectotal = (int)((int64_t)pl_totaltime) % 60;
 
     char totaltime_str[512] = "";
     if (daystotal == 0) {

plugins/pltbrowser/pltbrowser.c

@@ -203,10 +203,10 @@ fill_pltbrowser_rows (gpointer user_data)
         snprintf (num_items_str, sizeof (num_items_str), "%d", num_items);
 
         float pl_totaltime = deadbeef->plt_get_totaltime (plt);
-        int daystotal = (int)pl_totaltime / (3600*24);
-        int hourtotal = ((int)pl_totaltime / 3600) % 24;
-        int mintotal = ((int)pl_totaltime/60) % 60;
-        int sectotal = ((int)pl_totaltime) % 60;
+        int daystotal = (int)(int64_t)pl_totaltime / (3600 * 24);
+        int hourtotal = (int)((int64_t)pl_totaltime / 3600) % 24;
+        int mintotal = (int)((int64_t)pl_totaltime / 60) % 60;
+        int sectotal = (int)((int64_t)pl_totaltime) % 60;
 
         char totaltime_str[512] = "";
         if (daystotal == 0) {