avcodec/jpeg2000dwt: Move K/X constants to header

this makes them accessible by the rest of the jpeg2000 code
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/jpeg2000dwt.c

@@ -37,8 +37,6 @@
 #define F_LFTG_BETA   0.052980118572961f
 #define F_LFTG_GAMMA  0.882911075530934f
 #define F_LFTG_DELTA  0.443506852043971f
-#define F_LFTG_K      1.230174104914001f
-#define F_LFTG_X      0.812893066115961f
 
 /* Lifting parameters in integer format.
  * Computed as param = (float param) * (1 << 16) */

libavcodec/jpeg2000dwt.h

@@ -30,6 +30,8 @@
 #include <stdint.h>
 
 #define FF_DWT_MAX_DECLVLS 32 ///< max number of decomposition levels
+#define F_LFTG_K      1.230174104914001f
+#define F_LFTG_X      0.812893066115961f
 
 enum DWTType {
     FF_DWT97,