Updating Opus to a pre-release of 1.1

silk/resampler_private_IIR_FIR.c

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 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
 #include "SigProc_FIX.h"
 #include "resampler_private.h"
+#include "stack_alloc.h"
 
 static inline opus_int16 *silk_resampler_private_IIR_FIR_INTERPOL(
     opus_int16  *out,
     opus_int16  *buf,
     opus_int32  max_index_Q16,
     opus_int32  index_increment_Q16
 )
 {
     opus_int32 index_Q16, res_Q15;
     opus_int16 *buf_ptr;
@@ skipping 20 matching lines @@
 void silk_resampler_private_IIR_FIR(
     void                            *SS,            /* I/O  Resampler state             */
     opus_int16                      out[],          /* O    Output signal               */
     const opus_int16                in[],           /* I    Input signal                */
     opus_int32                      inLen           /* I    Number of input samples     */
 )
 {
     silk_resampler_state_struct *S = (silk_resampler_state_struct *)SS;
     opus_int32 nSamplesIn;
     opus_int32 max_index_Q16, index_increment_Q16;
-    opus_int16 buf[ RESAMPLER_MAX_BATCH_SIZE_IN + RESAMPLER_ORDER_FIR_12 ];
+    VARDECL( opus_int16, buf );
+    SAVE_STACK;
+
+    ALLOC( buf, 2 * S->batchSize + RESAMPLER_ORDER_FIR_12, opus_int16 );
 
     /* Copy buffered samples to start of buffer */
-    silk_memcpy( buf, S->sFIR, RESAMPLER_ORDER_FIR_12 * sizeof( opus_int32 ) );
+    silk_memcpy( buf, S->sFIR.i16, RESAMPLER_ORDER_FIR_12 * sizeof( opus_int16 ) );
 
     /* Iterate over blocks of frameSizeIn input samples */
     index_increment_Q16 = S->invRatio_Q16;
     while( 1 ) {
         nSamplesIn = silk_min( inLen, S->batchSize );
 
         /* Upsample 2x */
         silk_resampler_private_up2_HQ( S->sIIR, &buf[ RESAMPLER_ORDER_FIR_12 ], in, nSamplesIn );
 
         max_index_Q16 = silk_LSHIFT32( nSamplesIn, 16 + 1 );         /* + 1 because 2x upsampling */
         out = silk_resampler_private_IIR_FIR_INTERPOL( out, buf, max_index_Q16, index_increment_Q16 );
         in += nSamplesIn;
         inLen -= nSamplesIn;
 
         if( inLen > 0 ) {
             /* More iterations to do; copy last part of filtered signal to beginning of buffer */
-            silk_memcpy( buf, &buf[ nSamplesIn << 1 ], RESAMPLER_ORDER_FIR_12 * sizeof( opus_int32 ) );
+            silk_memcpy( buf, &buf[ nSamplesIn << 1 ], RESAMPLER_ORDER_FIR_12 * sizeof( opus_int16 ) );
         } else {
             break;
         }
     }
 
     /* Copy last part of filtered signal to the state for the next call */
-    silk_memcpy( S->sFIR, &buf[ nSamplesIn << 1 ], RESAMPLER_ORDER_FIR_12 * sizeof( opus_int32 ) );
+    silk_memcpy( S->sFIR.i16, &buf[ nSamplesIn << 1 ], RESAMPLER_ORDER_FIR_12 * sizeof( opus_int16 ) );
+    RESTORE_STACK;
 }
-