[Opus] Update to v1.2.1

third_party/opus/src/celt/vq.h

 /* Copyright (c) 2007-2008 CSIRO
    Copyright (c) 2007-2009 Xiph.Org Foundation
    Written by Jean-Marc Valin */
 /**
    @file vq.h
    @brief Vector quantisation of the residual
  */
 /*
    Redistribution and use in source and binary forms, with or without
    modification, are permitted provided that the following conditions
@@ skipping 19 matching lines @@
    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
 #ifndef VQ_H
 #define VQ_H
 
 #include "entenc.h"
 #include "entdec.h"
 #include "modes.h"
 
+#if (defined(OPUS_X86_MAY_HAVE_SSE2) && !defined(FIXED_POINT))
+#include "x86/vq_sse.h"
+#endif
+
 #if defined(MIPSr1_ASM)
 #include "mips/vq_mipsr1.h"
 #endif
 
+void exp_rotation(celt_norm *X, int len, int dir, int stride, int K, int spread);
+
+opus_val16 op_pvq_search_c(celt_norm *X, int *iy, int K, int N, int arch);
+
+#if !defined(OVERRIDE_OP_PVQ_SEARCH)
+#define op_pvq_search(x, iy, K, N, arch) \
+    (op_pvq_search_c(x, iy, K, N, arch))
+#endif
 
 /** Algebraic pulse-vector quantiser. The signal x is replaced by the sum of
   * the pitch and a combination of pulses such that its norm is still equal
   * to 1. This is the function that will typically require the most CPU.
  * @param X Residual signal to quantise/encode (returns quantised version)
  * @param N Number of samples to encode
  * @param K Number of pulses to use
  * @param enc Entropy encoder state
  * @ret A mask indicating which blocks in the band received pulses
 */
-unsigned alg_quant(celt_norm *X, int N, int K, int spread, int B,
-      ec_enc *enc
-#ifdef RESYNTH
-      , opus_val16 gain
-#endif
-      );
+unsigned alg_quant(celt_norm *X, int N, int K, int spread, int B, ec_enc *enc,
+      opus_val16 gain, int resynth, int arch);
 
 /** Algebraic pulse decoder
  * @param X Decoded normalised spectrum (returned)
  * @param N Number of samples to decode
  * @param K Number of pulses to use
  * @param dec Entropy decoder state
  * @ret A mask indicating which blocks in the band received pulses
  */
 unsigned alg_unquant(celt_norm *X, int N, int K, int spread, int B,
       ec_dec *dec, opus_val16 gain);
 
 void renormalise_vector(celt_norm *X, int N, opus_val16 gain, int arch);
 
 int stereo_itheta(const celt_norm *X, const celt_norm *Y, int stereo, int N, int arch);
 
 #endif /* VQ_H */