move rematrixing band table to ac3dec_data.c

Originally committed as revision 13716 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/ac3dec.c

@@ -39,16 +39,11 @@
 #include "bitstream.h"
 #include "dsputil.h"
 #include "ac3dec.h"
+#include "ac3dec_data.h"
 
 /** Maximum possible frame size when the specification limit is ignored */
 #define AC3_MAX_FRAME_SIZE 21695
 
-/**
- * Table of bin locations for rematrixing bands
- * reference: Section 7.5.2 Rematrixing : Frequency Band Definitions
- */
-static const uint8_t rematrix_band_tab[5] = { 13, 25, 37, 61, 253 };
-
 /** table for grouping exponents */
 static uint8_t exp_ungroup_tab[128][3];
 
@@ -579,8 +574,8 @@ static void do_rematrixing(AC3DecodeContext *s)
 
     for(bnd=0; bnd<s->num_rematrixing_bands; bnd++) {
         if(s->rematrixing_flags[bnd]) {
-            bndend = FFMIN(end, rematrix_band_tab[bnd+1]);
-            for(i=rematrix_band_tab[bnd]; i<bndend; i++) {
+            bndend = FFMIN(end, ff_ac3_rematrix_band_tab[bnd+1]);
+            for(i=ff_ac3_rematrix_band_tab[bnd]; i<bndend; i++) {
                 tmp0 = s->fixed_coeffs[1][i];
                 tmp1 = s->fixed_coeffs[2][i];
                 s->fixed_coeffs[1][i] = tmp0 + tmp1;

libavcodec/ac3dec_data.c

@@ -1109,3 +1109,9 @@ const uint8_t ff_eac3_frm_expstr[32][6] = {
  */
 const uint8_t ff_eac3_default_cpl_band_struct[18] =
 { 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1 };
+
+/**
+ * Table of bin locations for rematrixing bands
+ * reference: Section 7.5.2 Rematrixing : Frequency Band Definitions
+ */
+const uint8_t ff_ac3_rematrix_band_tab[5] = { 13, 25, 37, 61, 253 };

libavcodec/ac3dec_data.h

@@ -34,4 +34,6 @@ extern const int16_t (*ff_eac3_vq_hebap[8])[6];
 extern const uint8_t ff_eac3_frm_expstr[32][6];
 extern const uint8_t ff_eac3_default_cpl_band_struct[18];
 
+extern const uint8_t ff_ac3_rematrix_band_tab[5];
+
 #endif /* FFMPEG_AC3DEC_DATA_H */