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ac76521150
This is the IETF Opus audio codec reference implementation. The source was copied into the tree using the included update.sh script, from a checkout of the v0.9.9 git tag, which corresponds to the source code published in https://tools.ietf.org/id/draft-ietf-codec-opus-11.txt
70 lines
3.1 KiB
C
70 lines
3.1 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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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "tables.h"
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const opus_uint8 silk_pitch_lag_iCDF[ 2 * ( PITCH_EST_MAX_LAG_MS - PITCH_EST_MIN_LAG_MS ) ] = {
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253, 250, 244, 233, 212, 182, 150, 131,
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120, 110, 98, 85, 72, 60, 49, 40,
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32, 25, 19, 15, 13, 11, 9, 8,
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7, 6, 5, 4, 3, 2, 1, 0
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};
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const opus_uint8 silk_pitch_delta_iCDF[21] = {
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210, 208, 206, 203, 199, 193, 183, 168,
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142, 104, 74, 52, 37, 27, 20, 14,
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10, 6, 4, 2, 0
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};
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const opus_uint8 silk_pitch_contour_iCDF[34] = {
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223, 201, 183, 167, 152, 138, 124, 111,
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98, 88, 79, 70, 62, 56, 50, 44,
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39, 35, 31, 27, 24, 21, 18, 16,
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14, 12, 10, 8, 6, 4, 3, 2,
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1, 0
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};
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const opus_uint8 silk_pitch_contour_NB_iCDF[11] = {
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188, 176, 155, 138, 119, 97, 67, 43,
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26, 10, 0
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};
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const opus_uint8 silk_pitch_contour_10_ms_iCDF[12] = {
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165, 119, 80, 61, 47, 35, 27, 20,
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14, 9, 4, 0
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};
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const opus_uint8 silk_pitch_contour_10_ms_NB_iCDF[3] = {
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113, 63, 0
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};
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