+/**
+ * Common scan patterns (defined in ivi_common.c)
+ */
+extern const uint8_t ff_ivi_vertical_scan_8x8[64];
+extern const uint8_t ff_ivi_horizontal_scan_8x8[64];
+extern const uint8_t ff_ivi_direct_scan_4x4[16];
+
+
+/**
+ * Declare inverse transform function types
+ */
+typedef void (InvTransformPtr)(const int32_t *in, int16_t *out, uint32_t pitch, const uint8_t *flags);
+typedef void (DCTransformPtr) (const int32_t *in, int16_t *out, uint32_t pitch, int blk_size);
+
+