198913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project/* Copyright (C) 2002-2006 Jean-Marc Valin */ 298913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project/** 398913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project @file nb_celp.h 498913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project @brief Narrowband CELP encoder/decoder 598913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project*/ 698913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project/* 798913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project Redistribution and use in source and binary forms, with or without 898913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project modification, are permitted provided that the following conditions 998913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project are met: 1098913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project 1198913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project - Redistributions of source code must retain the above copyright 1298913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project notice, this list of conditions and the following disclaimer. 1398913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project 1498913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project - Redistributions in binary form must reproduce the above copyright 1598913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project notice, this list of conditions and the following disclaimer in the 1698913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project documentation and/or other materials provided with the distribution. 1798913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project 1898913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project - Neither the name of the Xiph.org Foundation nor the names of its 1998913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project contributors may be used to endorse or promote products derived from 2098913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project this software without specific prior written permission. 2198913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project 2298913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 2398913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 2498913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 2598913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR 2698913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 2798913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 2898913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 2998913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 3098913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 3198913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 3298913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 3398913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project 3498913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project*/ 3598913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project 3698913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project#ifndef NB_CELP_H 3798913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project#define NB_CELP_H 3898913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project 3998913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project#include "modes.h" 4098913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project#include <speex/speex_bits.h> 4198913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project#include <speex/speex_callbacks.h> 4298913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project#include "vbr.h" 4398913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project#include "filters.h" 4498913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project 4598913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project#ifdef VORBIS_PSYCHO 4698913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project#include "vorbis_psy.h" 4798913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project#endif 4898913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project 4998913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project/**Structure representing the full state of the narrowband encoder*/ 5098913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Projecttypedef struct EncState { 5198913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project const SpeexMode *mode; /**< Mode corresponding to the state */ 5298913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project int first; /**< Is this the first frame? */ 5398913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project int frameSize; /**< Size of frames */ 5498913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project int subframeSize; /**< Size of sub-frames */ 5598913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project int nbSubframes; /**< Number of sub-frames */ 5698913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project int windowSize; /**< Analysis (LPC) window length */ 5798913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project int lpcSize; /**< LPC order */ 5898913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project int min_pitch; /**< Minimum pitch value allowed */ 5998913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project int max_pitch; /**< Maximum pitch value allowed */ 6098913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project 6198913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project spx_word32_t cumul_gain; /**< Product of previously used pitch gains (Q10) */ 6298913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project int bounded_pitch; /**< Next frame should not rely on previous frames for pitch */ 6398913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project int ol_pitch; /**< Open-loop pitch */ 6498913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project int ol_voiced; /**< Open-loop voiced/non-voiced decision */ 6598913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project int *pitch; 6698913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project 6798913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project#ifdef VORBIS_PSYCHO 6898913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project VorbisPsy *psy; 6998913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project float *psy_window; 7098913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project float *curve; 7198913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project float *old_curve; 7298913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project#endif 7398913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project 7498913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project spx_word16_t gamma1; /**< Perceptual filter: A(z/gamma1) */ 7598913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project spx_word16_t gamma2; /**< Perceptual filter: A(z/gamma2) */ 7698913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project spx_word16_t lpc_floor; /**< Noise floor multiplier for A[0] in LPC analysis*/ 7798913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project char *stack; /**< Pseudo-stack allocation for temporary memory */ 7898913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project spx_word16_t *winBuf; /**< Input buffer (original signal) */ 7998913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project spx_word16_t *excBuf; /**< Excitation buffer */ 8098913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project spx_word16_t *exc; /**< Start of excitation frame */ 8198913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project spx_word16_t *swBuf; /**< Weighted signal buffer */ 8298913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project spx_word16_t *sw; /**< Start of weighted signal frame */ 8398913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project const spx_word16_t *window; /**< Temporary (Hanning) window */ 8498913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project const spx_word16_t *lagWindow; /**< Window applied to auto-correlation */ 8598913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project spx_lsp_t *old_lsp; /**< LSPs for previous frame */ 8698913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project spx_lsp_t *old_qlsp; /**< Quantized LSPs for previous frame */ 8798913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project spx_mem_t *mem_sp; /**< Filter memory for signal synthesis */ 8898913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project spx_mem_t *mem_sw; /**< Filter memory for perceptually-weighted signal */ 8998913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project spx_mem_t *mem_sw_whole; /**< Filter memory for perceptually-weighted signal (whole frame)*/ 9098913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project spx_mem_t *mem_exc; /**< Filter memory for excitation (whole frame) */ 9198913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project spx_mem_t *mem_exc2; /**< Filter memory for excitation (whole frame) */ 9298913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project spx_mem_t mem_hp[2]; /**< High-pass filter memory */ 9398913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project spx_word32_t *pi_gain; /**< Gain of LPC filter at theta=pi (fe/2) */ 9498913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project spx_word16_t *innov_rms_save; /**< If non-NULL, innovation RMS is copied here */ 9598913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project 9698913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project#ifndef DISABLE_VBR 9798913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project VBRState *vbr; /**< State of the VBR data */ 9898913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project float vbr_quality; /**< Quality setting for VBR encoding */ 9998913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project float relative_quality; /**< Relative quality that will be needed by VBR */ 10098913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project spx_int32_t vbr_enabled; /**< 1 for enabling VBR, 0 otherwise */ 10198913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project spx_int32_t vbr_max; /**< Max bit-rate allowed in VBR mode */ 10298913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project int vad_enabled; /**< 1 for enabling VAD, 0 otherwise */ 10398913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project int dtx_enabled; /**< 1 for enabling DTX, 0 otherwise */ 10498913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project int dtx_count; /**< Number of consecutive DTX frames */ 10598913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project spx_int32_t abr_enabled; /**< ABR setting (in bps), 0 if off */ 10698913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project float abr_drift; 10798913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project float abr_drift2; 10898913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project float abr_count; 10998913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project#endif /* #ifndef DISABLE_VBR */ 11098913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project 11198913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project int complexity; /**< Complexity setting (0-10 from least complex to most complex) */ 11298913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project spx_int32_t sampling_rate; 11398913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project int plc_tuning; 11498913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project int encode_submode; 11598913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project const SpeexSubmode * const *submodes; /**< Sub-mode data */ 11698913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project int submodeID; /**< Activated sub-mode */ 11798913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project int submodeSelect; /**< Mode chosen by the user (may differ from submodeID if VAD is on) */ 11898913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project int isWideband; /**< Is this used as part of the embedded wideband codec */ 11998913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project int highpass_enabled; /**< Is the input filter enabled */ 12098913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project} EncState; 12198913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project 12298913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project/**Structure representing the full state of the narrowband decoder*/ 12398913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Projecttypedef struct DecState { 12498913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project const SpeexMode *mode; /**< Mode corresponding to the state */ 12598913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project int first; /**< Is this the first frame? */ 12698913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project int count_lost; /**< Was the last frame lost? */ 12798913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project int frameSize; /**< Size of frames */ 12898913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project int subframeSize; /**< Size of sub-frames */ 12998913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project int nbSubframes; /**< Number of sub-frames */ 13098913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project int lpcSize; /**< LPC order */ 13198913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project int min_pitch; /**< Minimum pitch value allowed */ 13298913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project int max_pitch; /**< Maximum pitch value allowed */ 13398913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project spx_int32_t sampling_rate; 13498913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project 13598913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project spx_word16_t last_ol_gain; /**< Open-loop gain for previous frame */ 13698913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project 13798913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project char *stack; /**< Pseudo-stack allocation for temporary memory */ 13898913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project spx_word16_t *excBuf; /**< Excitation buffer */ 13998913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project spx_word16_t *exc; /**< Start of excitation frame */ 14098913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project spx_lsp_t *old_qlsp; /**< Quantized LSPs for previous frame */ 14198913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project spx_coef_t *interp_qlpc; /**< Interpolated quantized LPCs */ 14298913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project spx_mem_t *mem_sp; /**< Filter memory for synthesis signal */ 14398913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project spx_mem_t mem_hp[2]; /**< High-pass filter memory */ 14498913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project spx_word32_t *pi_gain; /**< Gain of LPC filter at theta=pi (fe/2) */ 14598913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project spx_word16_t *innov_save; /** If non-NULL, innovation is copied here */ 14698913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project 14798913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project spx_word16_t level; 14898913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project spx_word16_t max_level; 14998913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project spx_word16_t min_level; 15098913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project 15198913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project /* This is used in packet loss concealment */ 15298913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project int last_pitch; /**< Pitch of last correctly decoded frame */ 15398913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project spx_word16_t last_pitch_gain; /**< Pitch gain of last correctly decoded frame */ 15498913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project spx_word16_t pitch_gain_buf[3]; /**< Pitch gain of last decoded frames */ 15598913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project int pitch_gain_buf_idx; /**< Tail of the buffer */ 15698913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project spx_int32_t seed; /** Seed used for random number generation */ 15798913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project 15898913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project int encode_submode; 15998913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project const SpeexSubmode * const *submodes; /**< Sub-mode data */ 16098913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project int submodeID; /**< Activated sub-mode */ 16198913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project int lpc_enh_enabled; /**< 1 when LPC enhancer is on, 0 otherwise */ 16298913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project SpeexCallback speex_callbacks[SPEEX_MAX_CALLBACKS]; 16398913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project 16498913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project SpeexCallback user_callback; 16598913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project 16698913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project /*Vocoder data*/ 16798913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project spx_word16_t voc_m1; 16898913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project spx_word32_t voc_m2; 16998913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project spx_word16_t voc_mean; 17098913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project int voc_offset; 17198913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project 17298913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project int dtx_enabled; 17398913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project int isWideband; /**< Is this used as part of the embedded wideband codec */ 17498913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project int highpass_enabled; /**< Is the input filter enabled */ 17598913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project} DecState; 17698913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project 17798913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project/** Initializes encoder state*/ 17898913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Projectvoid *nb_encoder_init(const SpeexMode *m); 17998913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project 18098913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project/** De-allocates encoder state resources*/ 18198913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Projectvoid nb_encoder_destroy(void *state); 18298913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project 18398913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project/** Encodes one frame*/ 18498913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Projectint nb_encode(void *state, void *in, SpeexBits *bits); 18598913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project 18698913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project 18798913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project/** Initializes decoder state*/ 18898913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Projectvoid *nb_decoder_init(const SpeexMode *m); 18998913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project 19098913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project/** De-allocates decoder state resources*/ 19198913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Projectvoid nb_decoder_destroy(void *state); 19298913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project 19398913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project/** Decodes one frame*/ 19498913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Projectint nb_decode(void *state, SpeexBits *bits, void *out); 19598913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project 19698913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project/** ioctl-like function for controlling a narrowband encoder */ 19798913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Projectint nb_encoder_ctl(void *state, int request, void *ptr); 19898913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project 19998913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project/** ioctl-like function for controlling a narrowband decoder */ 20098913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Projectint nb_decoder_ctl(void *state, int request, void *ptr); 20198913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project 20298913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project 20398913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project#endif 204