dcadsp: split lfe_dir cases

The x86 runs short on registers because numerous elements are not static.
In addition, splitting them allows more optimized code, at least for x86.

Arm asm changes by Janne Grunau.

Signed-off-by: Janne Grunau <janne-libav@jannau.net>

1 files changed, 5 insertions, 5 deletions

diff --git a/libavcodec/dcadec.c b/libavcodec/dcadec.c
index 6ffb040aaa..723ed191dc 100644
--- a/libavcodec/dcadec.c
+++ b/libavcodec/dcadec.c
@@ -957,23 +957,23 @@ static void lfe_interpolation_fir(DCAContext *s, int decimation_select,
      * samples_out: An array holding interpolated samples
      */
 
-    int decifactor;
+    int idx;
     const float *prCoeff;
     int deciindex;
 
     /* Select decimation filter */
     if (decimation_select == 1) {
-        decifactor = 64;
+        idx = 1;
         prCoeff = lfe_fir_128;
     } else {
-        decifactor = 32;
+        idx = 0;
         prCoeff = lfe_fir_64;
     }
     /* Interpolation */
     for (deciindex = 0; deciindex < num_deci_sample; deciindex++) {
-        s->dcadsp.lfe_fir(samples_out, samples_in, prCoeff, decifactor, scale);
+        s->dcadsp.lfe_fir[idx](samples_out, samples_in, prCoeff, scale);
         samples_in++;
-        samples_out += 2 * decifactor;
+        samples_out += 2 * 32 * (1 + idx);
     }
 }