+void ff_get_pixels_neon(int16_t *block, const uint8_t *pixels,
+ ptrdiff_t stride);
+void ff_get_pixels_unaligned_neon(int16_t *block, const uint8_t *pixels,
+ ptrdiff_t stride);
+void ff_diff_pixels_neon(int16_t *block, const uint8_t *s1,
+ const uint8_t *s2, ptrdiff_t stride);
+void ff_diff_pixels_unaligned_neon(int16_t *block, const uint8_t *s1,
+ const uint8_t *s2, ptrdiff_t stride);
+