From 8689386601a7c40e8efe754e24516fdaa957ad4d Mon Sep 17 00:00:00 2001
From: Hendrik Leppkes <h.leppkes@gmail.com>
Date: Tue, 2 Feb 2016 20:03:11 +0100
Subject: [PATCH] dca: add emms_c after AV_ZERO128 macros

AV_ZERO64/128 can use MMX on x86.
---
 libavcodec/dca_core.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libavcodec/dca_core.c b/libavcodec/dca_core.c
index 94f0f3d..a69be06 100644
--- a/libavcodec/dca_core.c
+++ b/libavcodec/dca_core.c
@@ -927,6 +927,8 @@ static void erase_adpcm_history(DCACoreDecoder *s)
     for (ch = 0; ch < DCA_CHANNELS; ch++)
         for (band = 0; band < DCA_SUBBANDS; band++)
             AV_ZERO128(s->subband_samples[ch][band] - DCA_ADPCM_COEFFS);
+
+    emms_c();
 }

 static int alloc_sample_buffer(DCACoreDecoder *s)
@@ -1434,6 +1436,8 @@ static void erase_x96_adpcm_history(DCACoreDecoder *s)
     for (ch = 0; ch < DCA_CHANNELS; ch++)
         for (band = 0; band < DCA_SUBBANDS_X96; band++)
             AV_ZERO128(s->x96_subband_samples[ch][band] - DCA_ADPCM_COEFFS);
+
+    emms_c();
 }

 static int alloc_x96_sample_buffer(DCACoreDecoder *s)
--
2.6.2.windows.1