1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/media/libopus/silk/fixed/structs_FIX.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,133 @@
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 +#ifndef SILK_STRUCTS_FIX_H
1.32 +#define SILK_STRUCTS_FIX_H
1.33 +
1.34 +#include "typedef.h"
1.35 +#include "main.h"
1.36 +#include "structs.h"
1.37 +
1.38 +#ifdef __cplusplus
1.39 +extern "C"
1.40 +{
1.41 +#endif
1.42 +
1.43 +/********************************/
1.44 +/* Noise shaping analysis state */
1.45 +/********************************/
1.46 +typedef struct {
1.47 + opus_int8 LastGainIndex;
1.48 + opus_int32 HarmBoost_smth_Q16;
1.49 + opus_int32 HarmShapeGain_smth_Q16;
1.50 + opus_int32 Tilt_smth_Q16;
1.51 +} silk_shape_state_FIX;
1.52 +
1.53 +/********************************/
1.54 +/* Prefilter state */
1.55 +/********************************/
1.56 +typedef struct {
1.57 + opus_int16 sLTP_shp[ LTP_BUF_LENGTH ];
1.58 + opus_int32 sAR_shp[ MAX_SHAPE_LPC_ORDER + 1 ];
1.59 + opus_int sLTP_shp_buf_idx;
1.60 + opus_int32 sLF_AR_shp_Q12;
1.61 + opus_int32 sLF_MA_shp_Q12;
1.62 + opus_int32 sHarmHP_Q2;
1.63 + opus_int32 rand_seed;
1.64 + opus_int lagPrev;
1.65 +} silk_prefilter_state_FIX;
1.66 +
1.67 +/********************************/
1.68 +/* Encoder state FIX */
1.69 +/********************************/
1.70 +typedef struct {
1.71 + silk_encoder_state sCmn; /* Common struct, shared with floating-point code */
1.72 + silk_shape_state_FIX sShape; /* Shape state */
1.73 + silk_prefilter_state_FIX sPrefilt; /* Prefilter State */
1.74 +
1.75 + /* Buffer for find pitch and noise shape analysis */
1.76 + silk_DWORD_ALIGN opus_int16 x_buf[ 2 * MAX_FRAME_LENGTH + LA_SHAPE_MAX ];/* Buffer for find pitch and noise shape analysis */
1.77 + opus_int LTPCorr_Q15; /* Normalized correlation from pitch lag estimator */
1.78 +} silk_encoder_state_FIX;
1.79 +
1.80 +/************************/
1.81 +/* Encoder control FIX */
1.82 +/************************/
1.83 +typedef struct {
1.84 + /* Prediction and coding parameters */
1.85 + opus_int32 Gains_Q16[ MAX_NB_SUBFR ];
1.86 + silk_DWORD_ALIGN opus_int16 PredCoef_Q12[ 2 ][ MAX_LPC_ORDER ];
1.87 + opus_int16 LTPCoef_Q14[ LTP_ORDER * MAX_NB_SUBFR ];
1.88 + opus_int LTP_scale_Q14;
1.89 + opus_int pitchL[ MAX_NB_SUBFR ];
1.90 +
1.91 + /* Noise shaping parameters */
1.92 + /* Testing */
1.93 + silk_DWORD_ALIGN opus_int16 AR1_Q13[ MAX_NB_SUBFR * MAX_SHAPE_LPC_ORDER ];
1.94 + silk_DWORD_ALIGN opus_int16 AR2_Q13[ MAX_NB_SUBFR * MAX_SHAPE_LPC_ORDER ];
1.95 + opus_int32 LF_shp_Q14[ MAX_NB_SUBFR ]; /* Packs two int16 coefficients per int32 value */
1.96 + opus_int GainsPre_Q14[ MAX_NB_SUBFR ];
1.97 + opus_int HarmBoost_Q14[ MAX_NB_SUBFR ];
1.98 + opus_int Tilt_Q14[ MAX_NB_SUBFR ];
1.99 + opus_int HarmShapeGain_Q14[ MAX_NB_SUBFR ];
1.100 + opus_int Lambda_Q10;
1.101 + opus_int input_quality_Q14;
1.102 + opus_int coding_quality_Q14;
1.103 +
1.104 + /* measures */
1.105 + opus_int sparseness_Q8;
1.106 + opus_int32 predGain_Q16;
1.107 + opus_int LTPredCodGain_Q7;
1.108 + opus_int32 ResNrg[ MAX_NB_SUBFR ]; /* Residual energy per subframe */
1.109 + opus_int ResNrgQ[ MAX_NB_SUBFR ]; /* Q domain for the residual energy > 0 */
1.110 +
1.111 + /* Parameters for CBR mode */
1.112 + opus_int32 GainsUnq_Q16[ MAX_NB_SUBFR ];
1.113 + opus_int8 lastGainIndexPrev;
1.114 +} silk_encoder_control_FIX;
1.115 +
1.116 +/************************/
1.117 +/* Encoder Super Struct */
1.118 +/************************/
1.119 +typedef struct {
1.120 + silk_encoder_state_FIX state_Fxx[ ENCODER_NUM_CHANNELS ];
1.121 + stereo_enc_state sStereo;
1.122 + opus_int32 nBitsExceeded;
1.123 + opus_int nChannelsAPI;
1.124 + opus_int nChannelsInternal;
1.125 + opus_int nPrevChannelsInternal;
1.126 + opus_int timeSinceSwitchAllowed_ms;
1.127 + opus_int allowBandwidthSwitch;
1.128 + opus_int prev_decode_only_middle;
1.129 +} silk_encoder;
1.130 +
1.131 +
1.132 +#ifdef __cplusplus
1.133 +}
1.134 +#endif
1.135 +
1.136 +#endif
