shithub: opus

ref: e335065a1ba72c474b2bf9324e789d5e1dc1e884
dir: /libcelt/celt.h/

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/* Copyright (c) 2007-2008 CSIRO
   Copyright (c) 2007-2009 Xiph.Org Foundation
   Copyright (c) 2008 Gregory Maxwell
   Written by Jean-Marc Valin and Gregory Maxwell */
/**
  @file celt.h
  @brief Contains all the functions for encoding and decoding audio
 */

/*
   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.

   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 FOUNDATION 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 CELT_H
#define CELT_H

#include "opus_types.h"
#include "opus_defines.h"
#include "opus_custom.h"

#ifdef __cplusplus
extern "C" {
#endif

#define _celt_check_mode_ptr_ptr(ptr) ((ptr) + ((ptr) - (const CELTMode**)(ptr)))

/* Encoder/decoder Requests */

#define CELT_SET_PREDICTION_REQUEST    3002
/** Controls the use of interframe prediction.
    0=Independent frames
    1=Short term interframe prediction allowed
    2=Long term prediction allowed
 */
#define CELT_SET_PREDICTION(x) CELT_SET_PREDICTION_REQUEST, __opus_check_int(x)

#define CELT_SET_INPUT_CLIPPING_REQUEST    3004
#define CELT_SET_INPUT_CLIPPING(x) CELT_SET_INPUT_CLIPPING_REQUEST, __opus_check_int(x)

#define CELT_GET_AND_CLEAR_ERROR_REQUEST   3005
#define CELT_GET_AND_CLEAR_ERROR(x) CELT_GET_AND_CLEAR_ERROR_REQUEST, __opus_check_int_ptr(x)

#define CELT_SET_CHANNELS_REQUEST    3008
#define CELT_SET_CHANNELS(x) CELT_SET_CHANNELS_REQUEST, __opus_check_int(x)


/* Internal */
#define CELT_SET_START_BAND_REQUEST    10000
#define CELT_SET_START_BAND(x) CELT_SET_START_BAND_REQUEST, __opus_check_int(x)

#define CELT_SET_END_BAND_REQUEST    10001
#define CELT_SET_END_BAND(x) CELT_SET_END_BAND_REQUEST, __opus_check_int(x)



/** \defgroup codec Encoding and decoding */
/*  @{ */

/* Mode calls */


/* Encoder stuff */

int celt_encoder_get_size(int channels);


int celt_encoder_init(CELTEncoder *st, int sampling_rate, int channels);



/* Decoder stuff */

int celt_decoder_get_size(int channels);


int celt_decoder_init(CELTDecoder *st, int sampling_rate, int channels);


/*  @} */

#define celt_encoder_ctl opus_custom_encoder_ctl
#define celt_decoder_ctl opus_custom_decoder_ctl

#ifdef __cplusplus
}
#endif

#endif /*CELT_H */