mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
49bc642b06
Updates our copy of the libopus reference implementation to match http://tools.ietf.org/html/draft-ietf-codec-opus-12 This uses the v0.9.10/draft-12 tag from the upstream git repo. Summary of changes: - License header updates - Warning fixes - Comment improvements
93 lines
4.1 KiB
C
93 lines
4.1 KiB
C
/***********************************************************************
|
|
Copyright (c) 2006-2011, Skype Limited. All rights reserved.
|
|
Redistribution and use in source and binary forms, with or without
|
|
modification, are permitted provided that the following conditions
|
|
are met:
|
|
- Redistributions of source code must retain the above copyright notice,
|
|
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
|
|
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”
|
|
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
|
|
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
POSSIBILITY OF SUCH DAMAGE.
|
|
***********************************************************************/
|
|
|
|
#ifndef SILK_PE_DEFINES_H
|
|
#define SILK_PE_DEFINES_H
|
|
|
|
#include "SigProc_FIX.h"
|
|
|
|
/********************************************************/
|
|
/* Definitions for pitch estimator */
|
|
/********************************************************/
|
|
|
|
#define PE_MAX_FS_KHZ 16 /* Maximum sampling frequency used */
|
|
|
|
#define PE_MAX_NB_SUBFR 4
|
|
#define PE_SUBFR_LENGTH_MS 5 /* 5 ms */
|
|
|
|
#define PE_LTP_MEM_LENGTH_MS ( 4 * PE_SUBFR_LENGTH_MS )
|
|
|
|
#define PE_MAX_FRAME_LENGTH_MS ( PE_LTP_MEM_LENGTH_MS + PE_MAX_NB_SUBFR * PE_SUBFR_LENGTH_MS )
|
|
#define PE_MAX_FRAME_LENGTH ( PE_MAX_FRAME_LENGTH_MS * PE_MAX_FS_KHZ )
|
|
#define PE_MAX_FRAME_LENGTH_ST_1 ( PE_MAX_FRAME_LENGTH >> 2 )
|
|
#define PE_MAX_FRAME_LENGTH_ST_2 ( PE_MAX_FRAME_LENGTH >> 1 )
|
|
#define PE_MAX_SF_FRAME_LENGTH ( PE_SUB_FRAME * PE_MAX_FS_KHZ )
|
|
|
|
#define PE_MAX_LAG_MS 18 /* 18 ms -> 56 Hz */
|
|
#define PE_MIN_LAG_MS 2 /* 2 ms -> 500 Hz */
|
|
#define PE_MAX_LAG ( PE_MAX_LAG_MS * PE_MAX_FS_KHZ )
|
|
#define PE_MIN_LAG ( PE_MIN_LAG_MS * PE_MAX_FS_KHZ )
|
|
|
|
#define PE_D_SRCH_LENGTH 24
|
|
|
|
#define PE_NB_STAGE3_LAGS 5
|
|
|
|
#define PE_NB_CBKS_STAGE2 3
|
|
#define PE_NB_CBKS_STAGE2_EXT 11
|
|
|
|
#define PE_CB_mn2 1
|
|
#define PE_CB_mx2 2
|
|
|
|
#define PE_NB_CBKS_STAGE3_MAX 34
|
|
#define PE_NB_CBKS_STAGE3_MID 24
|
|
#define PE_NB_CBKS_STAGE3_MIN 16
|
|
|
|
#define PE_NB_CBKS_STAGE3_10MS 12
|
|
#define PE_NB_CBKS_STAGE2_10MS 3
|
|
|
|
#define PE_SHORTLAG_BIAS 0.2f /* for logarithmic weighting */
|
|
#define PE_PREVLAG_BIAS 0.2f /* for logarithmic weighting */
|
|
#define PE_FLATCONTOUR_BIAS 0.05f
|
|
|
|
#define SILK_PE_MIN_COMPLEX 0
|
|
#define SILK_PE_MID_COMPLEX 1
|
|
#define SILK_PE_MAX_COMPLEX 2
|
|
|
|
/* Tables for 20 ms frames */
|
|
extern const opus_int8 silk_CB_lags_stage2[ PE_MAX_NB_SUBFR ][ PE_NB_CBKS_STAGE2_EXT ];
|
|
extern const opus_int8 silk_CB_lags_stage3[ PE_MAX_NB_SUBFR ][ PE_NB_CBKS_STAGE3_MAX ];
|
|
extern const opus_int8 silk_Lag_range_stage3[ SILK_PE_MAX_COMPLEX + 1 ] [ PE_MAX_NB_SUBFR ][ 2 ];
|
|
extern const opus_int8 silk_nb_cbk_searchs_stage3[ SILK_PE_MAX_COMPLEX + 1 ];
|
|
|
|
/* Tables for 10 ms frames */
|
|
extern const opus_int8 silk_CB_lags_stage2_10_ms[ PE_MAX_NB_SUBFR >> 1][ 3 ];
|
|
extern const opus_int8 silk_CB_lags_stage3_10_ms[ PE_MAX_NB_SUBFR >> 1 ][ 12 ];
|
|
extern const opus_int8 silk_Lag_range_stage3_10_ms[ PE_MAX_NB_SUBFR >> 1 ][ 2 ];
|
|
|
|
#endif
|
|
|