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Fix line endings per .gitattributes
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@@ -1,162 +1,162 @@
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/***********************************************************************
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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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#include "SKP_Silk_main.h"
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/*******************************************/
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/* Encode parameters to create the payload */
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/*******************************************/
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void SKP_Silk_encode_parameters(
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SKP_Silk_encoder_state *psEncC, /* I/O Encoder state */
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SKP_Silk_encoder_control *psEncCtrlC, /* I/O Encoder control */
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SKP_Silk_range_coder_state *psRC, /* I/O Range encoder state */
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const SKP_int8 *q /* I Quantization indices */
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)
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{
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SKP_int i, k, typeOffset;
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const SKP_Silk_NLSF_CB_struct *psNLSF_CB;
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/************************/
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/* Encode sampling rate */
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/************************/
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/* only done for first frame in packet */
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if( psEncC->nFramesInPayloadBuf == 0 ) {
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/* get sampling rate index */
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for( i = 0; i < 3; i++ ) {
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if( SKP_Silk_SamplingRates_table[ i ] == psEncC->fs_kHz ) {
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break;
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}
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}
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SKP_Silk_range_encoder( psRC, i, SKP_Silk_SamplingRates_CDF );
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}
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/*******************************************/
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/* Encode signal type and quantizer offset */
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/*******************************************/
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typeOffset = 2 * psEncCtrlC->sigtype + psEncCtrlC->QuantOffsetType;
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if( psEncC->nFramesInPayloadBuf == 0 ) {
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/* first frame in packet: independent coding */
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SKP_Silk_range_encoder( psRC, typeOffset, SKP_Silk_type_offset_CDF );
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} else {
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/* condidtional coding */
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SKP_Silk_range_encoder( psRC, typeOffset, SKP_Silk_type_offset_joint_CDF[ psEncC->typeOffsetPrev ] );
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}
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psEncC->typeOffsetPrev = typeOffset;
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/****************/
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/* Encode gains */
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/****************/
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/* first subframe */
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if( psEncC->nFramesInPayloadBuf == 0 ) {
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/* first frame in packet: independent coding */
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SKP_Silk_range_encoder( psRC, psEncCtrlC->GainsIndices[ 0 ], SKP_Silk_gain_CDF[ psEncCtrlC->sigtype ] );
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} else {
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/* condidtional coding */
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SKP_Silk_range_encoder( psRC, psEncCtrlC->GainsIndices[ 0 ], SKP_Silk_delta_gain_CDF );
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}
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/* remaining subframes */
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for( i = 1; i < NB_SUBFR; i++ ) {
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SKP_Silk_range_encoder( psRC, psEncCtrlC->GainsIndices[ i ], SKP_Silk_delta_gain_CDF );
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}
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/****************/
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/* Encode NLSFs */
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/****************/
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/* Range encoding of the NLSF path */
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psNLSF_CB = psEncC->psNLSF_CB[ psEncCtrlC->sigtype ];
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SKP_Silk_range_encoder_multi( psRC, psEncCtrlC->NLSFIndices, psNLSF_CB->StartPtr, psNLSF_CB->nStages );
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/* Encode NLSF interpolation factor */
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SKP_assert( psEncC->useInterpolatedNLSFs == 1 || psEncCtrlC->NLSFInterpCoef_Q2 == ( 1 << 2 ) );
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SKP_Silk_range_encoder( psRC, psEncCtrlC->NLSFInterpCoef_Q2, SKP_Silk_NLSF_interpolation_factor_CDF );
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if( psEncCtrlC->sigtype == SIG_TYPE_VOICED ) {
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/*********************/
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/* Encode pitch lags */
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/*********************/
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/* lag index */
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if( psEncC->fs_kHz == 8 ) {
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SKP_Silk_range_encoder( psRC, psEncCtrlC->lagIndex, SKP_Silk_pitch_lag_NB_CDF );
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} else if( psEncC->fs_kHz == 12 ) {
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SKP_Silk_range_encoder( psRC, psEncCtrlC->lagIndex, SKP_Silk_pitch_lag_MB_CDF );
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} else if( psEncC->fs_kHz == 16 ) {
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SKP_Silk_range_encoder( psRC, psEncCtrlC->lagIndex, SKP_Silk_pitch_lag_WB_CDF );
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} else {
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SKP_Silk_range_encoder( psRC, psEncCtrlC->lagIndex, SKP_Silk_pitch_lag_SWB_CDF );
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}
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/* countour index */
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if( psEncC->fs_kHz == 8 ) {
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/* Less codevectors used in 8 khz mode */
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SKP_Silk_range_encoder( psRC, psEncCtrlC->contourIndex, SKP_Silk_pitch_contour_NB_CDF );
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} else {
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/* Joint for 12, 16, 24 khz */
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SKP_Silk_range_encoder( psRC, psEncCtrlC->contourIndex, SKP_Silk_pitch_contour_CDF );
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}
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/********************/
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/* Encode LTP gains */
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/********************/
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/* PERIndex value */
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SKP_Silk_range_encoder( psRC, psEncCtrlC->PERIndex, SKP_Silk_LTP_per_index_CDF );
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/* Codebook Indices */
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for( k = 0; k < NB_SUBFR; k++ ) {
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SKP_Silk_range_encoder( psRC, psEncCtrlC->LTPIndex[ k ], SKP_Silk_LTP_gain_CDF_ptrs[ psEncCtrlC->PERIndex ] );
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}
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/**********************/
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/* Encode LTP scaling */
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/**********************/
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SKP_Silk_range_encoder( psRC, psEncCtrlC->LTP_scaleIndex, SKP_Silk_LTPscale_CDF );
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}
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/***************/
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/* Encode seed */
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/***************/
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SKP_Silk_range_encoder( psRC, psEncCtrlC->Seed, SKP_Silk_Seed_CDF );
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/*********************************************/
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/* Encode quantization indices of excitation */
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/*********************************************/
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SKP_Silk_encode_pulses( psRC, psEncCtrlC->sigtype, psEncCtrlC->QuantOffsetType, q, psEncC->frame_length );
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/*********************************************/
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/* Encode VAD flag */
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/*********************************************/
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SKP_Silk_range_encoder( psRC, psEncC->vadFlag, SKP_Silk_vadflag_CDF );
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}
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/***********************************************************************
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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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#include "SKP_Silk_main.h"
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/*******************************************/
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/* Encode parameters to create the payload */
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/*******************************************/
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void SKP_Silk_encode_parameters(
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SKP_Silk_encoder_state *psEncC, /* I/O Encoder state */
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SKP_Silk_encoder_control *psEncCtrlC, /* I/O Encoder control */
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SKP_Silk_range_coder_state *psRC, /* I/O Range encoder state */
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const SKP_int8 *q /* I Quantization indices */
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)
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{
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SKP_int i, k, typeOffset;
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const SKP_Silk_NLSF_CB_struct *psNLSF_CB;
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/************************/
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/* Encode sampling rate */
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/************************/
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/* only done for first frame in packet */
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if( psEncC->nFramesInPayloadBuf == 0 ) {
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/* get sampling rate index */
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for( i = 0; i < 3; i++ ) {
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if( SKP_Silk_SamplingRates_table[ i ] == psEncC->fs_kHz ) {
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break;
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}
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}
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SKP_Silk_range_encoder( psRC, i, SKP_Silk_SamplingRates_CDF );
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}
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/*******************************************/
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/* Encode signal type and quantizer offset */
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/*******************************************/
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typeOffset = 2 * psEncCtrlC->sigtype + psEncCtrlC->QuantOffsetType;
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if( psEncC->nFramesInPayloadBuf == 0 ) {
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/* first frame in packet: independent coding */
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SKP_Silk_range_encoder( psRC, typeOffset, SKP_Silk_type_offset_CDF );
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} else {
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/* condidtional coding */
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SKP_Silk_range_encoder( psRC, typeOffset, SKP_Silk_type_offset_joint_CDF[ psEncC->typeOffsetPrev ] );
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}
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psEncC->typeOffsetPrev = typeOffset;
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/****************/
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/* Encode gains */
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/****************/
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/* first subframe */
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if( psEncC->nFramesInPayloadBuf == 0 ) {
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/* first frame in packet: independent coding */
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SKP_Silk_range_encoder( psRC, psEncCtrlC->GainsIndices[ 0 ], SKP_Silk_gain_CDF[ psEncCtrlC->sigtype ] );
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} else {
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/* condidtional coding */
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SKP_Silk_range_encoder( psRC, psEncCtrlC->GainsIndices[ 0 ], SKP_Silk_delta_gain_CDF );
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}
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/* remaining subframes */
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for( i = 1; i < NB_SUBFR; i++ ) {
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SKP_Silk_range_encoder( psRC, psEncCtrlC->GainsIndices[ i ], SKP_Silk_delta_gain_CDF );
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}
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/****************/
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/* Encode NLSFs */
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/****************/
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/* Range encoding of the NLSF path */
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psNLSF_CB = psEncC->psNLSF_CB[ psEncCtrlC->sigtype ];
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SKP_Silk_range_encoder_multi( psRC, psEncCtrlC->NLSFIndices, psNLSF_CB->StartPtr, psNLSF_CB->nStages );
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/* Encode NLSF interpolation factor */
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SKP_assert( psEncC->useInterpolatedNLSFs == 1 || psEncCtrlC->NLSFInterpCoef_Q2 == ( 1 << 2 ) );
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SKP_Silk_range_encoder( psRC, psEncCtrlC->NLSFInterpCoef_Q2, SKP_Silk_NLSF_interpolation_factor_CDF );
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if( psEncCtrlC->sigtype == SIG_TYPE_VOICED ) {
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/*********************/
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/* Encode pitch lags */
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/*********************/
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/* lag index */
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if( psEncC->fs_kHz == 8 ) {
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SKP_Silk_range_encoder( psRC, psEncCtrlC->lagIndex, SKP_Silk_pitch_lag_NB_CDF );
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} else if( psEncC->fs_kHz == 12 ) {
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SKP_Silk_range_encoder( psRC, psEncCtrlC->lagIndex, SKP_Silk_pitch_lag_MB_CDF );
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} else if( psEncC->fs_kHz == 16 ) {
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SKP_Silk_range_encoder( psRC, psEncCtrlC->lagIndex, SKP_Silk_pitch_lag_WB_CDF );
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} else {
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SKP_Silk_range_encoder( psRC, psEncCtrlC->lagIndex, SKP_Silk_pitch_lag_SWB_CDF );
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}
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/* countour index */
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if( psEncC->fs_kHz == 8 ) {
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/* Less codevectors used in 8 khz mode */
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SKP_Silk_range_encoder( psRC, psEncCtrlC->contourIndex, SKP_Silk_pitch_contour_NB_CDF );
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} else {
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/* Joint for 12, 16, 24 khz */
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SKP_Silk_range_encoder( psRC, psEncCtrlC->contourIndex, SKP_Silk_pitch_contour_CDF );
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}
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/********************/
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/* Encode LTP gains */
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/********************/
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/* PERIndex value */
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SKP_Silk_range_encoder( psRC, psEncCtrlC->PERIndex, SKP_Silk_LTP_per_index_CDF );
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/* Codebook Indices */
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for( k = 0; k < NB_SUBFR; k++ ) {
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SKP_Silk_range_encoder( psRC, psEncCtrlC->LTPIndex[ k ], SKP_Silk_LTP_gain_CDF_ptrs[ psEncCtrlC->PERIndex ] );
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}
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/**********************/
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/* Encode LTP scaling */
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/**********************/
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SKP_Silk_range_encoder( psRC, psEncCtrlC->LTP_scaleIndex, SKP_Silk_LTPscale_CDF );
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}
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/***************/
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/* Encode seed */
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/***************/
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SKP_Silk_range_encoder( psRC, psEncCtrlC->Seed, SKP_Silk_Seed_CDF );
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/*********************************************/
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/* Encode quantization indices of excitation */
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/*********************************************/
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SKP_Silk_encode_pulses( psRC, psEncCtrlC->sigtype, psEncCtrlC->QuantOffsetType, q, psEncC->frame_length );
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/*********************************************/
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/* Encode VAD flag */
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/*********************************************/
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SKP_Silk_range_encoder( psRC, psEncC->vadFlag, SKP_Silk_vadflag_CDF );
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}
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