76 lines
3.8 KiB
C
76 lines
3.8 KiB
C
/***********************************************************************
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Copyright (c) 2006-2011, Skype Limited. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, (subject to the limitations in the disclaimer below)
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are permitted provided that the following conditions are met:
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- Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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- Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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- Neither the name of Skype Limited, nor the names of specific
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contributors, may be used to endorse or promote products derived from
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this software without specific prior written permission.
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NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED
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BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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CONTRIBUTORS ''AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
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BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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***********************************************************************/
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#ifndef SIGPROC_COMMON_PITCH_EST_DEFINES_H
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#define SIGPROC_COMMON_PITCH_EST_DEFINES_H
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#include "SKP_Silk_SigProc_FIX.h"
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/************************************************************/
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/* Definitions For Fix pitch estimator */
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/************************************************************/
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#define PITCH_EST_MAX_FS_KHZ 24 /* Maximum sampling frequency used */
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#define PITCH_EST_FRAME_LENGTH_MS 40 /* 40 ms */
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#define PITCH_EST_MAX_FRAME_LENGTH (PITCH_EST_FRAME_LENGTH_MS * PITCH_EST_MAX_FS_KHZ)
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#define PITCH_EST_MAX_FRAME_LENGTH_ST_1 (PITCH_EST_MAX_FRAME_LENGTH >> 2)
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#define PITCH_EST_MAX_FRAME_LENGTH_ST_2 (PITCH_EST_MAX_FRAME_LENGTH >> 1)
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#define PITCH_EST_MAX_SF_FRAME_LENGTH (PITCH_EST_SUB_FRAME * PITCH_EST_MAX_FS_KHZ)
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#define PITCH_EST_MAX_LAG_MS 18 /* 18 ms -> 56 Hz */
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#define PITCH_EST_MIN_LAG_MS 2 /* 2 ms -> 500 Hz */
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#define PITCH_EST_MAX_LAG (PITCH_EST_MAX_LAG_MS * PITCH_EST_MAX_FS_KHZ)
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#define PITCH_EST_MIN_LAG (PITCH_EST_MIN_LAG_MS * PITCH_EST_MAX_FS_KHZ)
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#define PITCH_EST_NB_SUBFR 4
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#define PITCH_EST_D_SRCH_LENGTH 24
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#define PITCH_EST_MAX_DECIMATE_STATE_LENGTH 7
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#define PITCH_EST_NB_STAGE3_LAGS 5
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#define PITCH_EST_NB_CBKS_STAGE2 3
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#define PITCH_EST_NB_CBKS_STAGE2_EXT 11
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#define PITCH_EST_CB_mn2 1
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#define PITCH_EST_CB_mx2 2
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#define PITCH_EST_NB_CBKS_STAGE3_MAX 34
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#define PITCH_EST_NB_CBKS_STAGE3_MID 24
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#define PITCH_EST_NB_CBKS_STAGE3_MIN 16
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extern const SKP_int16 SKP_Silk_CB_lags_stage2[PITCH_EST_NB_SUBFR][PITCH_EST_NB_CBKS_STAGE2_EXT];
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extern const SKP_int16 SKP_Silk_CB_lags_stage3[PITCH_EST_NB_SUBFR][PITCH_EST_NB_CBKS_STAGE3_MAX];
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extern const SKP_int16 SKP_Silk_Lag_range_stage3[ SKP_Silk_PITCH_EST_MAX_COMPLEX + 1 ] [ PITCH_EST_NB_SUBFR ][ 2 ];
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extern const SKP_int16 SKP_Silk_cbk_sizes_stage3[ SKP_Silk_PITCH_EST_MAX_COMPLEX + 1 ];
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extern const SKP_int16 SKP_Silk_cbk_offsets_stage3[ SKP_Silk_PITCH_EST_MAX_COMPLEX + 1 ];
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#endif
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