116 lines
5 KiB
C++
116 lines
5 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_STRUCTS_FIX_H
|
|
#define SILK_STRUCTS_FIX_H
|
|
|
|
#include "typedef.h"
|
|
#include "main.h"
|
|
#include "structs.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C"
|
|
{
|
|
#endif
|
|
|
|
/********************************/
|
|
/* Noise shaping analysis state */
|
|
/********************************/
|
|
typedef struct {
|
|
opus_int8 LastGainIndex;
|
|
opus_int32 HarmBoost_smth_Q16;
|
|
opus_int32 HarmShapeGain_smth_Q16;
|
|
opus_int32 Tilt_smth_Q16;
|
|
} silk_shape_state_FIX;
|
|
|
|
/********************************/
|
|
/* Encoder state FIX */
|
|
/********************************/
|
|
typedef struct {
|
|
silk_encoder_state sCmn; /* Common struct, shared with floating-point code */
|
|
silk_shape_state_FIX sShape; /* Shape state */
|
|
|
|
/* Buffer for find pitch and noise shape analysis */
|
|
silk_DWORD_ALIGN opus_int16 x_buf[ 2 * MAX_FRAME_LENGTH + LA_SHAPE_MAX ];/* Buffer for find pitch and noise shape analysis */
|
|
opus_int LTPCorr_Q15; /* Normalized correlation from pitch lag estimator */
|
|
opus_int32 resNrgSmth;
|
|
} silk_encoder_state_FIX;
|
|
|
|
/************************/
|
|
/* Encoder control FIX */
|
|
/************************/
|
|
typedef struct {
|
|
/* Prediction and coding parameters */
|
|
opus_int32 Gains_Q16[ MAX_NB_SUBFR ];
|
|
silk_DWORD_ALIGN opus_int16 PredCoef_Q12[ 2 ][ MAX_LPC_ORDER ];
|
|
opus_int16 LTPCoef_Q14[ LTP_ORDER * MAX_NB_SUBFR ];
|
|
opus_int LTP_scale_Q14;
|
|
opus_int pitchL[ MAX_NB_SUBFR ];
|
|
|
|
/* Noise shaping parameters */
|
|
/* Testing */
|
|
silk_DWORD_ALIGN opus_int16 AR_Q13[ MAX_NB_SUBFR * MAX_SHAPE_LPC_ORDER ];
|
|
opus_int32 LF_shp_Q14[ MAX_NB_SUBFR ]; /* Packs two int16 coefficients per int32 value */
|
|
opus_int Tilt_Q14[ MAX_NB_SUBFR ];
|
|
opus_int HarmShapeGain_Q14[ MAX_NB_SUBFR ];
|
|
opus_int Lambda_Q10;
|
|
opus_int input_quality_Q14;
|
|
opus_int coding_quality_Q14;
|
|
|
|
/* measures */
|
|
opus_int32 predGain_Q16;
|
|
opus_int LTPredCodGain_Q7;
|
|
opus_int32 ResNrg[ MAX_NB_SUBFR ]; /* Residual energy per subframe */
|
|
opus_int ResNrgQ[ MAX_NB_SUBFR ]; /* Q domain for the residual energy > 0 */
|
|
|
|
/* Parameters for CBR mode */
|
|
opus_int32 GainsUnq_Q16[ MAX_NB_SUBFR ];
|
|
opus_int8 lastGainIndexPrev;
|
|
} silk_encoder_control_FIX;
|
|
|
|
/************************/
|
|
/* Encoder Super Struct */
|
|
/************************/
|
|
typedef struct {
|
|
silk_encoder_state_FIX state_Fxx[ ENCODER_NUM_CHANNELS ];
|
|
stereo_enc_state sStereo;
|
|
opus_int32 nBitsUsedLBRR;
|
|
opus_int32 nBitsExceeded;
|
|
opus_int nChannelsAPI;
|
|
opus_int nChannelsInternal;
|
|
opus_int nPrevChannelsInternal;
|
|
opus_int timeSinceSwitchAllowed_ms;
|
|
opus_int allowBandwidthSwitch;
|
|
opus_int prev_decode_only_middle;
|
|
} silk_encoder;
|
|
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif
|