Update Opus to 1.0.2.

silk/decode_core.c

 /***********************************************************************
 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.
@@ skipping 12 matching lines @@
 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"
+#include "stack_alloc.h"
 
 /**********************************************************/
 /* Core decoder. Performs inverse NSQ operation LTP + LPC */
 /**********************************************************/
 void silk_decode_core(
     silk_decoder_state          *psDec,                         /* I/O  Decoder state                               */
     silk_decoder_control        *psDecCtrl,                     /* I    Decoder control                             */
     opus_int16                  xq[],                           /* O    Decoded speech                              */
     const opus_int              pulses[ MAX_FRAME_LENGTH ]      /* I    Pulse signal                                */
 )
 {
     opus_int   i, k, lag = 0, start_idx, sLTP_buf_idx, NLSF_interpolation_flag, signalType;
     opus_int16 *A_Q12, *B_Q14, *pxq, A_Q12_tmp[ MAX_LPC_ORDER ];
-    opus_int16 sLTP[ MAX_FRAME_LENGTH ];
-    opus_int32 sLTP_Q15[ 2 * MAX_FRAME_LENGTH ];
+    VARDECL( opus_int16, sLTP );
+    VARDECL( opus_int32, sLTP_Q15 );
     opus_int32 LTP_pred_Q13, LPC_pred_Q10, Gain_Q10, inv_gain_Q31, gain_adj_Q16, rand_seed, offset_Q10;
     opus_int32 *pred_lag_ptr, *pexc_Q14, *pres_Q14;
-    opus_int32 res_Q14[ MAX_SUB_FRAME_LENGTH ];
-    opus_int32 sLPC_Q14[ MAX_SUB_FRAME_LENGTH + MAX_LPC_ORDER ];
+    VARDECL( opus_int32, res_Q14 );
+    VARDECL( opus_int32, sLPC_Q14 );
+    SAVE_STACK;
 
     silk_assert( psDec->prev_gain_Q16 != 0 );
 
+    ALLOC( sLTP, psDec->ltp_mem_length, opus_int16 );
+    ALLOC( sLTP_Q15, psDec->ltp_mem_length + psDec->frame_length, opus_int32 );
+    ALLOC( res_Q14, psDec->subfr_length, opus_int32 );
+    ALLOC( sLPC_Q14, psDec->subfr_length + MAX_LPC_ORDER, opus_int32 );
+
     offset_Q10 = silk_Quantization_Offsets_Q10[ psDec->indices.signalType >> 1 ][ psDec->indices.quantOffsetType ];
 
     if( psDec->indices.NLSFInterpCoef_Q2 < 1 << 2 ) {
         NLSF_interpolation_flag = 1;
     } else {
         NLSF_interpolation_flag = 0;
     }
 
     /* Decode excitation */
     rand_seed = psDec->indices.Seed;
@@ skipping 155 matching lines @@
         /* DEBUG_STORE_DATA( dec.pcm, pxq, psDec->subfr_length * sizeof( opus_int16 ) ) */
 
         /* Update LPC filter state */
         silk_memcpy( sLPC_Q14, &sLPC_Q14[ psDec->subfr_length ], MAX_LPC_ORDER * sizeof( opus_int32 ) );
         pexc_Q14 += psDec->subfr_length;
         pxq      += psDec->subfr_length;
     }
 
     /* Save LPC state */
     silk_memcpy( psDec->sLPC_Q14_buf, sLPC_Q14, MAX_LPC_ORDER * sizeof( opus_int32 ) );
+    RESTORE_STACK;
 }