x264: reformat input.patch with #ifdef phoenix

JIRA: PP-213

x264/patches/input.patch

@@ -1,10 +1,10 @@
-
---- x264_org/input/input.c	2024-09-05 11:57:22.943594154 +0200
-+++ x264/input/input.c	2024-09-05 11:57:41.344630765 +0200
-@@ -227,6 +227,15 @@
+--- x264_org/input/input.c	2024-09-06 10:29:54.784756723 +0200
++++ x264/input/input.c	2024-09-06 11:05:56.206158357 +0200
+@@ -227,7 +227,19 @@
      }
  #else
      size_t padded_size = size + MMAP_PADDING;
++#ifdef phoenix
 +    /**
 +     * PHOENIX-RTOS PATCH
 +     * 
@@ -13,35 +13,33 @@
 +     * 
 +     * https://github.com/phoenix-rtos/phoenix-rtos-project/issues/1155
 +     */
-+    padded_size = (1 + padded_size / SIZE_PAGE) * SIZE_PAGE;
++    if( (base = mmap( NULL, ((padded_size + (SIZE_PAGE - 1)) & ~(SIZE_PAGE - 1)), PROT_READ, MAP_PRIVATE, h->fd, offset )) != MAP_FAILED )
++#else
      if( (base = mmap( NULL, padded_size, PROT_READ, MAP_PRIVATE, h->fd, offset )) != MAP_FAILED )
++#endif
      {
          /* Ask the OS to readahead pages. This improves performance whereas
-@@ -241,9 +250,19 @@
-         /* Remap the file mapping of any padding that crosses a page boundary past the end of
+          * forcing page faults by manually accessing every page does not.
+@@ -242,7 +254,22 @@
           * the file into a copy of the last valid page to prevent reads from invalid memory. */
          size_t aligned_size = (padded_size - 1) & ~h->align_mask;
--        if( offset + aligned_size >= h->file_size )
--            mmap( base + aligned_size, padded_size - aligned_size, PROT_READ, MAP_PRIVATE|MAP_FIXED, h->fd, (offset + size - 1) & ~h->align_mask );
--
-+        /**
-+         * PHOENIX-RTOS PATCH
-+         * 
-+         * Phoenix implementation of mmap() fails if `size` is not aligned to page size
-+         * It is important to remove this patch when this issue is resolved.
-+         * 
-+         * https://github.com/phoenix-rtos/phoenix-rtos-project/issues/1155
-+         */
-+        if( offset + aligned_size >= h->file_size ) {
-+            size_t paddedMinusAligned_aligned = (padded_size - aligned_size);
-+            paddedMinusAligned_aligned = (1 + paddedMinusAligned_aligned / SIZE_PAGE) * SIZE_PAGE;
-+            mmap( base + aligned_size, paddedMinusAligned_aligned, PROT_READ, MAP_PRIVATE|MAP_FIXED, h->fd, (offset + size - 1) & ~h->align_mask );
+         if( offset + aligned_size >= h->file_size )
++#ifdef phoenix
++        {
++            /**
++            * PHOENIX-RTOS PATCH
++            * 
++            * Phoenix implementation of mmap() fails if `size` is not aligned to page size
++            * It is important to remove this patch when this issue is resolved.
++            * 
++            * https://github.com/phoenix-rtos/phoenix-rtos-project/issues/1155
++            */
++            size_t phoenix_paddedMinusAligned = padded_size - aligned_size;
++            mmap( base + aligned_size, ((phoenix_paddedMinusAligned + (SIZE_PAGE - 1)) & ~(SIZE_PAGE - 1)), PROT_READ, MAP_PRIVATE|MAP_FIXED, h->fd, (offset + size - 1) & ~h->align_mask );
 +        }
++#else
+             mmap( base + aligned_size, padded_size - aligned_size, PROT_READ, MAP_PRIVATE|MAP_FIXED, h->fd, (offset + size - 1) & ~h->align_mask );
++#endif
+
          return base + align;
      }
- #endif
-@@ -272,3 +291,4 @@
-     CloseHandle( h->map_handle );
- #endif
- }
-+