diff options
Diffstat (limited to 'silk/NLSF_encode.c')
| -rw-r--r-- | silk/NLSF_encode.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/silk/NLSF_encode.c b/silk/NLSF_encode.c index 52a263d..03a036f 100644 --- a/silk/NLSF_encode.c +++ b/silk/NLSF_encode.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.h" +#include "stack_alloc.h" /***********************/ /* NLSF vector encoder */ @@ -46,10 +47,10 @@ opus_int32 silk_NLSF_encode( /* O Returns { opus_int i, s, ind1, bestIndex, prob_Q8, bits_q7; opus_int32 W_tmp_Q9; - opus_int32 err_Q26[ NLSF_VQ_MAX_VECTORS ]; - opus_int32 RD_Q25[ NLSF_VQ_MAX_SURVIVORS ]; - opus_int tempIndices1[ NLSF_VQ_MAX_SURVIVORS ]; - opus_int8 tempIndices2[ NLSF_VQ_MAX_SURVIVORS * MAX_LPC_ORDER ]; + VARDECL( opus_int32, err_Q26 ); + VARDECL( opus_int32, RD_Q25 ); + VARDECL( opus_int, tempIndices1 ); + VARDECL( opus_int8, tempIndices2 ); opus_int16 res_Q15[ MAX_LPC_ORDER ]; opus_int16 res_Q10[ MAX_LPC_ORDER ]; opus_int16 NLSF_tmp_Q15[ MAX_LPC_ORDER ]; @@ -58,6 +59,7 @@ opus_int32 silk_NLSF_encode( /* O Returns opus_uint8 pred_Q8[ MAX_LPC_ORDER ]; opus_int16 ec_ix[ MAX_LPC_ORDER ]; const opus_uint8 *pCB_element, *iCDF_ptr; + SAVE_STACK; silk_assert( nSurvivors <= NLSF_VQ_MAX_SURVIVORS ); silk_assert( signalType >= 0 && signalType <= 2 ); @@ -67,11 +69,16 @@ opus_int32 silk_NLSF_encode( /* O Returns silk_NLSF_stabilize( pNLSF_Q15, psNLSF_CB->deltaMin_Q15, psNLSF_CB->order ); /* First stage: VQ */ + ALLOC( err_Q26, psNLSF_CB->nVectors, opus_int32 ); silk_NLSF_VQ( err_Q26, pNLSF_Q15, psNLSF_CB->CB1_NLSF_Q8, psNLSF_CB->nVectors, psNLSF_CB->order ); /* Sort the quantization errors */ + ALLOC( tempIndices1, nSurvivors, opus_int ); silk_insertion_sort_increasing( err_Q26, tempIndices1, psNLSF_CB->nVectors, nSurvivors ); + ALLOC( RD_Q25, nSurvivors, opus_int32 ); + ALLOC( tempIndices2, nSurvivors * MAX_LPC_ORDER, opus_int8 ); + /* Loop over survivors */ for( s = 0; s < nSurvivors; s++ ) { ind1 = tempIndices1[ s ]; @@ -124,5 +131,6 @@ opus_int32 silk_NLSF_encode( /* O Returns /* Decode */ silk_NLSF_decode( pNLSF_Q15, NLSFIndices, psNLSF_CB ); + RESTORE_STACK; return RD_Q25[ 0 ]; } |