x86/dcadec: add ff_lfe_fir0_float_{sse,sse2,avx,fma3}

Up to ~4 times faster on x86_64, ~8 times on x86_32 if compiling using x87 fp math.

Reviewed-by: Ronald S. Bultje <rsbultje@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/libavcodec/dcadsp.c b/libavcodec/dcadsp.c
index 6acfe0b7d9..09faee51fb 100644
--- a/libavcodec/dcadsp.c
+++ b/libavcodec/dcadsp.c
@@ -410,4 +410,7 @@ av_cold void ff_dcadsp_init(DCADSPContext *s)
     s->dmix_scale_inv = dmix_scale_inv_c;
 
     s->assemble_freq_bands = assemble_freq_bands_c;
+
+    if (ARCH_X86)
+        ff_dcadsp_init_x86(s);
 }