Backport patches -

- Attempt to skip cheevos when path is of media type
- Don't do CRC32 encoding for media types

tasks/task_content.c

@@ -328,6 +328,11 @@ static bool load_content_into_memory(
       return false;
 
    if (i == 0)
+   {
+      enum rarch_content_type type = path_is_media_type(path);
+
+      /* If we have a media type, ignore CRC32 calculation. */
+      if (type == RARCH_CONTENT_NONE)
       {
          /* First content file is significant, attempt to do patching,
           * CRC checking, etc. */
@@ -348,6 +353,9 @@ static bool load_content_into_memory(
 
          RARCH_LOG("CRC32: 0x%x .\n", (unsigned)content_rom_crc);
       }
+      else
+         content_rom_crc = 0;
+   }
 
    *buf = ret_buf;
 
@@ -582,9 +590,12 @@ static bool content_file_load(
 #ifdef HAVE_CHEEVOS
    if (!special)
    {
+      const char *content_path     = content->elems[0].data;
+      enum rarch_content_type type = path_is_media_type(content_path);
+
       cheevos_set_cheats();
 
-      if (!string_is_empty(content->elems[0].data))
+      if (type == RARCH_CONTENT_NONE && !string_is_empty(content_path))
          cheevos_load(info);
    }
 #endif