ac3enc: NEON optimised ac3_max_msb_abs_int16 and ac3_exponent_min
diff --git a/libavcodec/ac3dsp.c b/libavcodec/ac3dsp.c
index db97229..42b44f7 100644
--- a/libavcodec/ac3dsp.c
+++ b/libavcodec/ac3dsp.c
@@ -109,6 +109,8 @@
     c->ac3_rshift_int32 = ac3_rshift_int32_c;
     c->float_to_fixed24 = float_to_fixed24_c;
 
+    if (ARCH_ARM)
+        ff_ac3dsp_init_arm(c, bit_exact);
     if (HAVE_MMX)
         ff_ac3dsp_init_x86(c, bit_exact);
 }