summaryrefslogtreecommitdiff
path: root/lib/rbcodec/codecs/libopus/silk/resampler_private_IIR_FIR.c
diff options
context:
space:
mode:
Diffstat (limited to 'lib/rbcodec/codecs/libopus/silk/resampler_private_IIR_FIR.c')
-rw-r--r--lib/rbcodec/codecs/libopus/silk/resampler_private_IIR_FIR.c18
1 files changed, 11 insertions, 7 deletions
diff --git a/lib/rbcodec/codecs/libopus/silk/resampler_private_IIR_FIR.c b/lib/rbcodec/codecs/libopus/silk/resampler_private_IIR_FIR.c
index 105be35f16..04246257e7 100644
--- a/lib/rbcodec/codecs/libopus/silk/resampler_private_IIR_FIR.c
+++ b/lib/rbcodec/codecs/libopus/silk/resampler_private_IIR_FIR.c
@@ -12,7 +12,7 @@ documentation and/or other materials provided with the distribution.
12names of specific contributors, may be used to endorse or promote 12names of specific contributors, may be used to endorse or promote
13products derived from this software without specific prior written 13products derived from this software without specific prior written
14permission. 14permission.
15THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS AS IS 15THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 18ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
@@ -26,11 +26,12 @@ POSSIBILITY OF SUCH DAMAGE.
26***********************************************************************/ 26***********************************************************************/
27 27
28#ifdef HAVE_CONFIG_H 28#ifdef HAVE_CONFIG_H
29#include "opus_config.h" 29#include "config.h"
30#endif 30#endif
31 31
32#include "SigProc_FIX.h" 32#include "SigProc_FIX.h"
33#include "resampler_private.h" 33#include "resampler_private.h"
34#include "stack_alloc.h"
34 35
35static inline opus_int16 *silk_resampler_private_IIR_FIR_INTERPOL( 36static inline opus_int16 *silk_resampler_private_IIR_FIR_INTERPOL(
36 opus_int16 *out, 37 opus_int16 *out,
@@ -71,10 +72,13 @@ void silk_resampler_private_IIR_FIR(
71 silk_resampler_state_struct *S = (silk_resampler_state_struct *)SS; 72 silk_resampler_state_struct *S = (silk_resampler_state_struct *)SS;
72 opus_int32 nSamplesIn; 73 opus_int32 nSamplesIn;
73 opus_int32 max_index_Q16, index_increment_Q16; 74 opus_int32 max_index_Q16, index_increment_Q16;
74 opus_int16 buf[ RESAMPLER_MAX_BATCH_SIZE_IN + RESAMPLER_ORDER_FIR_12 ]; 75 VARDECL( opus_int16, buf );
76 SAVE_STACK;
77
78 ALLOC( buf, 2 * S->batchSize + RESAMPLER_ORDER_FIR_12, opus_int16 );
75 79
76 /* Copy buffered samples to start of buffer */ 80 /* Copy buffered samples to start of buffer */
77 silk_memcpy( buf, S->sFIR, RESAMPLER_ORDER_FIR_12 * sizeof( opus_int32 ) ); 81 silk_memcpy( buf, S->sFIR.i16, RESAMPLER_ORDER_FIR_12 * sizeof( opus_int16 ) );
78 82
79 /* Iterate over blocks of frameSizeIn input samples */ 83 /* Iterate over blocks of frameSizeIn input samples */
80 index_increment_Q16 = S->invRatio_Q16; 84 index_increment_Q16 = S->invRatio_Q16;
@@ -91,13 +95,13 @@ void silk_resampler_private_IIR_FIR(
91 95
92 if( inLen > 0 ) { 96 if( inLen > 0 ) {
93 /* More iterations to do; copy last part of filtered signal to beginning of buffer */ 97 /* More iterations to do; copy last part of filtered signal to beginning of buffer */
94 silk_memcpy( buf, &buf[ nSamplesIn << 1 ], RESAMPLER_ORDER_FIR_12 * sizeof( opus_int32 ) ); 98 silk_memcpy( buf, &buf[ nSamplesIn << 1 ], RESAMPLER_ORDER_FIR_12 * sizeof( opus_int16 ) );
95 } else { 99 } else {
96 break; 100 break;
97 } 101 }
98 } 102 }
99 103
100 /* Copy last part of filtered signal to the state for the next call */ 104 /* Copy last part of filtered signal to the state for the next call */
101 silk_memcpy( S->sFIR, &buf[ nSamplesIn << 1 ], RESAMPLER_ORDER_FIR_12 * sizeof( opus_int32 ) ); 105 silk_memcpy( S->sFIR.i16, &buf[ nSamplesIn << 1 ], RESAMPLER_ORDER_FIR_12 * sizeof( opus_int16 ) );
106 RESTORE_STACK;
102} 107}
103