Rename dec2() function

Originally committed as revision 13607 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/ra144.c

@@ -297,7 +297,7 @@ static int eval_refl(const int16_t *coefs, int *refl)
     return retval;
 }
 
-static int dec2(RA144Context *ractx, int16_t *decsp, int block_num,
+static int interp(RA144Context *ractx, int16_t *decsp, int block_num,
                 int copynew, int energy)
 {
     int work[10];
@@ -355,10 +355,10 @@ static int ra144_decode_frame(AVCodecContext * avctx,
 
     energy = decodeval[get_bits(&gb, 5) << 1]; // Useless table entries?
 
-    refl_rms[0] = dec2(ractx, block_coefs[0], 0, 0, ractx->old_energy);
-    refl_rms[1] = dec2(ractx, block_coefs[1], 1, energy > ractx->old_energy,
+    refl_rms[0] = interp(ractx, block_coefs[0], 0, 0, ractx->old_energy);
+    refl_rms[1] = interp(ractx, block_coefs[1], 1, energy > ractx->old_energy,
                     t_sqrt(energy*ractx->old_energy) >> 12);
-    refl_rms[2] = dec2(ractx, block_coefs[2], 2, 1, energy);
+    refl_rms[2] = interp(ractx, block_coefs[2], 2, 1, energy);
     refl_rms[3] = rms(ractx->lpc_refl, energy);
 
     int_to_int16(block_coefs[3], ractx->lpc_coef);