* #30460: added opus dep
diff --git a/jni/libopus/silk/NLSF_VQ.c b/jni/libopus/silk/NLSF_VQ.c
new file mode 100644
index 0000000..352dda2
--- /dev/null
+++ b/jni/libopus/silk/NLSF_VQ.c
@@ -0,0 +1,68 @@
+/***********************************************************************
+Copyright (c) 2006-2011, Skype Limited. All rights reserved.
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+- Redistributions of source code must retain the above copyright notice,
+this list of conditions and the following disclaimer.
+- Redistributions in binary form must reproduce the above copyright
+notice, this list of conditions and the following disclaimer in the
+documentation and/or other materials provided with the distribution.
+- Neither the name of Internet Society, IETF or IETF Trust, nor the
+names of specific contributors, may be used to endorse or promote
+products derived from this software without specific prior written
+permission.
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS “AS IS”
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+***********************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "main.h"
+
+/* Compute quantization errors for an LPC_order element input vector for a VQ codebook */
+void silk_NLSF_VQ(
+ opus_int32 err_Q26[], /* O Quantization errors [K] */
+ const opus_int16 in_Q15[], /* I Input vectors to be quantized [LPC_order] */
+ const opus_uint8 pCB_Q8[], /* I Codebook vectors [K*LPC_order] */
+ const opus_int K, /* I Number of codebook vectors */
+ const opus_int LPC_order /* I Number of LPCs */
+)
+{
+ opus_int i, m;
+ opus_int32 diff_Q15, sum_error_Q30, sum_error_Q26;
+
+ silk_assert( LPC_order <= 16 );
+ silk_assert( ( LPC_order & 1 ) == 0 );
+
+ /* Loop over codebook */
+ for( i = 0; i < K; i++ ) {
+ sum_error_Q26 = 0;
+ for( m = 0; m < LPC_order; m += 2 ) {
+ /* Compute weighted squared quantization error for index m */
+ diff_Q15 = silk_SUB_LSHIFT32( in_Q15[ m ], (opus_int32)*pCB_Q8++, 7 ); /* range: [ -32767 : 32767 ]*/
+ sum_error_Q30 = silk_SMULBB( diff_Q15, diff_Q15 );
+
+ /* Compute weighted squared quantization error for index m + 1 */
+ diff_Q15 = silk_SUB_LSHIFT32( in_Q15[m + 1], (opus_int32)*pCB_Q8++, 7 ); /* range: [ -32767 : 32767 ]*/
+ sum_error_Q30 = silk_SMLABB( sum_error_Q30, diff_Q15, diff_Q15 );
+
+ sum_error_Q26 = silk_ADD_RSHIFT32( sum_error_Q26, sum_error_Q30, 4 );
+
+ silk_assert( sum_error_Q26 >= 0 );
+ silk_assert( sum_error_Q30 >= 0 );
+ }
+ err_Q26[ i ] = sum_error_Q26;
+ }
+}