[Opus] Update to v1.2.1

third_party/opus/src/celt/x86/vq_sse.h

Index: third_party/opus/src/celt/x86/vq_sse.h
diff --git a/third_party/opus/src/celt/celt_lpc.h b/third_party/opus/src/celt/x86/vq_sse.h
similarity index 58%
copy from third_party/opus/src/celt/celt_lpc.h
copy to third_party/opus/src/celt/x86/vq_sse.h
index 323459eb1a83156664784742ddca78e1c44e6dc0..b4efe8f249f893ed160040ec825b2a7647e192bb 100644
--- a/third_party/opus/src/celt/celt_lpc.h
+++ b/third_party/opus/src/celt/x86/vq_sse.h
@@ -1,5 +1,4 @@
-/* Copyright (c) 2009-2010 Xiph.Org Foundation
-   Written by Jean-Marc Valin */
+/* Copyright (c) 2016  Jean-Marc Valin */
 /*
    Redistribution and use in source and binary forms, with or without
    modification, are permitted provided that the following conditions
@@ -25,43 +24,27 @@
    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
-#ifndef PLC_H
-#define PLC_H
+#ifndef VQ_SSE_H
+#define VQ_SSE_H
 
-#include "arch.h"
-#include "cpu_support.h"
+#if defined(OPUS_X86_MAY_HAVE_SSE2) && !defined(FIXED_POINT)
+#define OVERRIDE_OP_PVQ_SEARCH
 
-#if defined(OPUS_X86_MAY_HAVE_SSE4_1)
-#include "x86/celt_lpc_sse.h"
-#endif
-
-#define LPC_ORDER 24
+opus_val16 op_pvq_search_sse2(celt_norm *_X, int *iy, int K, int N, int arch);
 
-void _celt_lpc(opus_val16 *_lpc, const opus_val32 *ac, int p);
+#if defined(OPUS_X86_PRESUME_SSE2)
+#define op_pvq_search(x, iy, K, N, arch) \
+    (op_pvq_search_sse2(x, iy, K, N, arch))
 
-void celt_fir_c(
-         const opus_val16 *x,
-         const opus_val16 *num,
-         opus_val16 *y,
-         int N,
-         int ord,
-         opus_val16 *mem,
-         int arch);
+#else
 
-#if !defined(OVERRIDE_CELT_FIR)
-#define celt_fir(x, num, y, N, ord, mem, arch) \
-    (celt_fir_c(x, num, y, N, ord, mem, arch))
-#endif
+extern opus_val16 (*const OP_PVQ_SEARCH_IMPL[OPUS_ARCHMASK + 1])(
+      celt_norm *_X, int *iy, int K, int N, int arch);
 
-void celt_iir(const opus_val32 *x,
-         const opus_val16 *den,
-         opus_val32 *y,
-         int N,
-         int ord,
-         opus_val16 *mem,
-         int arch);
+#  define op_pvq_search(X, iy, K, N, arch) \
+    ((*OP_PVQ_SEARCH_IMPL[(arch) & OPUS_ARCHMASK])(X, iy, K, N, arch))
 
-int _celt_autocorr(const opus_val16 *x, opus_val32 *ac,
-         const opus_val16 *window, int overlap, int lag, int n, int arch);
+#endif
+#endif
 
-#endif /* PLC_H */
+#endif