Chris@69: /***********************************************************************
Chris@69: Copyright (c) 2006-2011, Skype Limited. All rights reserved.
Chris@69: Redistribution and use in source and binary forms, with or without
Chris@69: modification, are permitted provided that the following conditions
Chris@69: are met:
Chris@69: - Redistributions of source code must retain the above copyright notice,
Chris@69: this list of conditions and the following disclaimer.
Chris@69: - Redistributions in binary form must reproduce the above copyright
Chris@69: notice, this list of conditions and the following disclaimer in the
Chris@69: documentation and/or other materials provided with the distribution.
Chris@69: - Neither the name of Internet Society, IETF or IETF Trust, nor the
Chris@69: names of specific contributors, may be used to endorse or promote
Chris@69: products derived from this software without specific prior written
Chris@69: permission.
Chris@69: THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
Chris@69: AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
Chris@69: IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
Chris@69: ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
Chris@69: LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
Chris@69: CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
Chris@69: SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
Chris@69: INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
Chris@69: CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
Chris@69: ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
Chris@69: POSSIBILITY OF SUCH DAMAGE.
Chris@69: ***********************************************************************/
Chris@69: 
Chris@69: #ifdef HAVE_CONFIG_H
Chris@69: #include "config.h"
Chris@69: #endif
Chris@69: 
Chris@69: #include "typedef.h"
Chris@69: #include "pitch_est_defines.h"
Chris@69: 
Chris@69: const opus_int8 silk_CB_lags_stage2_10_ms[ PE_MAX_NB_SUBFR >> 1][ PE_NB_CBKS_STAGE2_10MS ] =
Chris@69: {
Chris@69:     {0, 1, 0},
Chris@69:     {0, 0, 1}
Chris@69: };
Chris@69: 
Chris@69: const opus_int8 silk_CB_lags_stage3_10_ms[ PE_MAX_NB_SUBFR >> 1 ][ PE_NB_CBKS_STAGE3_10MS ] =
Chris@69: {
Chris@69:     { 0, 0, 1,-1, 1,-1, 2,-2, 2,-2, 3,-3},
Chris@69:     { 0, 1, 0, 1,-1, 2,-1, 2,-2, 3,-2, 3}
Chris@69: };
Chris@69: 
Chris@69: const opus_int8 silk_Lag_range_stage3_10_ms[ PE_MAX_NB_SUBFR >> 1 ][ 2 ] =
Chris@69: {
Chris@69:     {-3, 7},
Chris@69:     {-2, 7}
Chris@69: };
Chris@69: 
Chris@69: const opus_int8 silk_CB_lags_stage2[ PE_MAX_NB_SUBFR ][ PE_NB_CBKS_STAGE2_EXT ] =
Chris@69: {
Chris@69:     {0, 2,-1,-1,-1, 0, 0, 1, 1, 0, 1},
Chris@69:     {0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0},
Chris@69:     {0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0},
Chris@69:     {0,-1, 2, 1, 0, 1, 1, 0, 0,-1,-1}
Chris@69: };
Chris@69: 
Chris@69: const opus_int8 silk_CB_lags_stage3[ PE_MAX_NB_SUBFR ][ PE_NB_CBKS_STAGE3_MAX ] =
Chris@69: {
Chris@69:     {0, 0, 1,-1, 0, 1,-1, 0,-1, 1,-2, 2,-2,-2, 2,-3, 2, 3,-3,-4, 3,-4, 4, 4,-5, 5,-6,-5, 6,-7, 6, 5, 8,-9},
Chris@69:     {0, 0, 1, 0, 0, 0, 0, 0, 0, 0,-1, 1, 0, 0, 1,-1, 0, 1,-1,-1, 1,-1, 2, 1,-1, 2,-2,-2, 2,-2, 2, 2, 3,-3},
Chris@69:     {0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 1,-1, 1, 0, 0, 2, 1,-1, 2,-1,-1, 2,-1, 2, 2,-1, 3,-2,-2,-2, 3},
Chris@69:     {0, 1, 0, 0, 1, 0, 1,-1, 2,-1, 2,-1, 2, 3,-2, 3,-2,-2, 4, 4,-3, 5,-3,-4, 6,-4, 6, 5,-5, 8,-6,-5,-7, 9}
Chris@69: };
Chris@69: 
Chris@69: const opus_int8 silk_Lag_range_stage3[ SILK_PE_MAX_COMPLEX + 1 ] [ PE_MAX_NB_SUBFR ][ 2 ] =
Chris@69: {
Chris@69:     /* Lags to search for low number of stage3 cbks */
Chris@69:     {
Chris@69:         {-5,8},
Chris@69:         {-1,6},
Chris@69:         {-1,6},
Chris@69:         {-4,10}
Chris@69:     },
Chris@69:     /* Lags to search for middle number of stage3 cbks */
Chris@69:     {
Chris@69:         {-6,10},
Chris@69:         {-2,6},
Chris@69:         {-1,6},
Chris@69:         {-5,10}
Chris@69:     },
Chris@69:     /* Lags to search for max number of stage3 cbks */
Chris@69:     {
Chris@69:         {-9,12},
Chris@69:         {-3,7},
Chris@69:         {-2,7},
Chris@69:         {-7,13}
Chris@69:     }
Chris@69: };
Chris@69: 
Chris@69: const opus_int8 silk_nb_cbk_searchs_stage3[ SILK_PE_MAX_COMPLEX + 1 ] =
Chris@69: {
Chris@69:     PE_NB_CBKS_STAGE3_MIN,
Chris@69:     PE_NB_CBKS_STAGE3_MID,
Chris@69:     PE_NB_CBKS_STAGE3_MAX
Chris@69: };