Updating Opus to a pre-release of 1.1

silk/fixed/residual_energy_FIX.c

Index: silk/fixed/residual_energy_FIX.c
diff --git a/silk/fixed/residual_energy_FIX.c b/silk/fixed/residual_energy_FIX.c
index f284e51f0fe36b13034772beefdd0b7578fd2557..105ae31807b0b10f7092794fd8983c1e2c4eab4d 100644
--- a/silk/fixed/residual_energy_FIX.c
+++ b/silk/fixed/residual_energy_FIX.c
@@ -8,11 +8,11 @@ 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 
+- 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”
+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
@@ -30,6 +30,7 @@ POSSIBILITY OF SUCH DAMAGE.
 #endif
 
 #include "main_FIX.h"
+#include "stack_alloc.h"
 
 /* Calculates residual energies of input subframes where all subframes have LPC_order   */
 /* of preceding samples                                                                 */
@@ -45,14 +46,18 @@ void silk_residual_energy_FIX(
 )
 {
     opus_int         offset, i, j, rshift, lz1, lz2;
-    opus_int16       *LPC_res_ptr, LPC_res[ ( MAX_FRAME_LENGTH + MAX_NB_SUBFR * MAX_LPC_ORDER ) / 2 ];
+    opus_int16       *LPC_res_ptr;
+    VARDECL( opus_int16, LPC_res );
     const opus_int16 *x_ptr;
     opus_int32       tmp32;
+    SAVE_STACK;
 
     x_ptr  = x;
     offset = LPC_order + subfr_length;
 
     /* Filter input to create the LPC residual for each frame half, and measure subframe energies */
+    ALLOC( LPC_res, ( MAX_NB_SUBFR >> 1 ) * offset, opus_int16 );
+    silk_assert( ( nb_subfr >> 1 ) * ( MAX_NB_SUBFR >> 1 ) == nb_subfr );
     for( i = 0; i < nb_subfr >> 1; i++ ) {
         /* Calculate half frame LPC residual signal including preceding samples */
         silk_LPC_analysis_filter( LPC_res, x_ptr, a_Q12[ i ], ( MAX_NB_SUBFR >> 1 ) * offset, LPC_order );
@@ -88,4 +93,5 @@ void silk_residual_energy_FIX(
         nrgs[ i ] = silk_SMMUL( tmp32, silk_LSHIFT32( nrgs[ i ], lz1 ) ); /* Q( nrgsQ[ i ] + lz1 + 2 * lz2 - 32 - 32 )*/
         nrgsQ[ i ] += lz1 + 2 * lz2 - 32 - 32;
     }
+    RESTORE_STACK;
 }