1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/media/libopus/silk/pitch_est_tables.c Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,99 @@
1.4 +/***********************************************************************
1.5 +Copyright (c) 2006-2011, Skype Limited. All rights reserved.
1.6 +Redistribution and use in source and binary forms, with or without
1.7 +modification, are permitted provided that the following conditions
1.8 +are met:
1.9 +- Redistributions of source code must retain the above copyright notice,
1.10 +this list of conditions and the following disclaimer.
1.11 +- Redistributions in binary form must reproduce the above copyright
1.12 +notice, this list of conditions and the following disclaimer in the
1.13 +documentation and/or other materials provided with the distribution.
1.14 +- Neither the name of Internet Society, IETF or IETF Trust, nor the
1.15 +names of specific contributors, may be used to endorse or promote
1.16 +products derived from this software without specific prior written
1.17 +permission.
1.18 +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
1.19 +AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
1.20 +IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
1.21 +ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
1.22 +LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
1.23 +CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
1.24 +SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
1.25 +INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
1.26 +CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
1.27 +ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
1.28 +POSSIBILITY OF SUCH DAMAGE.
1.29 +***********************************************************************/
1.30 +
1.31 +#ifdef HAVE_CONFIG_H
1.32 +#include "config.h"
1.33 +#endif
1.34 +
1.35 +#include "typedef.h"
1.36 +#include "pitch_est_defines.h"
1.37 +
1.38 +const opus_int8 silk_CB_lags_stage2_10_ms[ PE_MAX_NB_SUBFR >> 1][ PE_NB_CBKS_STAGE2_10MS ] =
1.39 +{
1.40 + {0, 1, 0},
1.41 + {0, 0, 1}
1.42 +};
1.43 +
1.44 +const opus_int8 silk_CB_lags_stage3_10_ms[ PE_MAX_NB_SUBFR >> 1 ][ PE_NB_CBKS_STAGE3_10MS ] =
1.45 +{
1.46 + { 0, 0, 1,-1, 1,-1, 2,-2, 2,-2, 3,-3},
1.47 + { 0, 1, 0, 1,-1, 2,-1, 2,-2, 3,-2, 3}
1.48 +};
1.49 +
1.50 +const opus_int8 silk_Lag_range_stage3_10_ms[ PE_MAX_NB_SUBFR >> 1 ][ 2 ] =
1.51 +{
1.52 + {-3, 7},
1.53 + {-2, 7}
1.54 +};
1.55 +
1.56 +const opus_int8 silk_CB_lags_stage2[ PE_MAX_NB_SUBFR ][ PE_NB_CBKS_STAGE2_EXT ] =
1.57 +{
1.58 + {0, 2,-1,-1,-1, 0, 0, 1, 1, 0, 1},
1.59 + {0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0},
1.60 + {0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0},
1.61 + {0,-1, 2, 1, 0, 1, 1, 0, 0,-1,-1}
1.62 +};
1.63 +
1.64 +const opus_int8 silk_CB_lags_stage3[ PE_MAX_NB_SUBFR ][ PE_NB_CBKS_STAGE3_MAX ] =
1.65 +{
1.66 + {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},
1.67 + {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},
1.68 + {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},
1.69 + {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}
1.70 +};
1.71 +
1.72 +const opus_int8 silk_Lag_range_stage3[ SILK_PE_MAX_COMPLEX + 1 ] [ PE_MAX_NB_SUBFR ][ 2 ] =
1.73 +{
1.74 + /* Lags to search for low number of stage3 cbks */
1.75 + {
1.76 + {-5,8},
1.77 + {-1,6},
1.78 + {-1,6},
1.79 + {-4,10}
1.80 + },
1.81 + /* Lags to search for middle number of stage3 cbks */
1.82 + {
1.83 + {-6,10},
1.84 + {-2,6},
1.85 + {-1,6},
1.86 + {-5,10}
1.87 + },
1.88 + /* Lags to search for max number of stage3 cbks */
1.89 + {
1.90 + {-9,12},
1.91 + {-3,7},
1.92 + {-2,7},
1.93 + {-7,13}
1.94 + }
1.95 +};
1.96 +
1.97 +const opus_int8 silk_nb_cbk_searchs_stage3[ SILK_PE_MAX_COMPLEX + 1 ] =
1.98 +{
1.99 + PE_NB_CBKS_STAGE3_MIN,
1.100 + PE_NB_CBKS_STAGE3_MID,
1.101 + PE_NB_CBKS_STAGE3_MAX
1.102 +};
