ref: 341a8849959125c8ba5e72f493a9967971d2ebc6
dir: /src/opus.h/
/* Copyright (c) 2010 Xiph.Org Foundation
Written by Jean-Marc Valin */
/*
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 the Xiph.org Foundation nor the names of its
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 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 OPUS_H
#define OPUS_H
#ifdef __cplusplus
extern "C" {
#endif
#if defined(__GNUC__) && defined(CELT_BUILD)
#define EXPORT __attribute__ ((visibility ("default")))
#elif defined(WIN32)
#define EXPORT __declspec(dllexport)
#else
#define EXPORT
#endif
#define __check_int(x) (((void)((x) == (int)0)), (int)(x))
#define __check_int_ptr(ptr) ((ptr) + ((ptr) - (int*)(ptr)))
#define MODE_SILK_ONLY 1000
#define MODE_HYBRID 1001
#define MODE_CELT_ONLY 1002
#define BANDWIDTH_NARROWBAND 1100
#define BANDWIDTH_MEDIUMBAND 1101
#define BANDWIDTH_WIDEBAND 1102
#define BANDWIDTH_SUPERWIDEBAND 1103
#define BANDWIDTH_FULLBAND 1104
#define OPUS_SET_MODE_REQUEST 0
#define OPUS_SET_MODE(x) OPUS_SET_MODE_REQUEST, __check_int(x)
#define OPUS_GET_MODE_REQUEST 1
#define OPUS_GET_MODE(x) OPUS_GET_MODE_REQUEST, __check_int_ptr(x)
#define OPUS_SET_BANDWIDTH_REQUEST 2
#define OPUS_SET_BANDWIDTH(x) OPUS_SET_BANDWIDTH_REQUEST, __check_int(x)
#define OPUS_GET_BANDWIDTH_REQUEST 3
#define OPUS_GET_BANDWIDTH(x) OPUS_GET_BANDWIDTH_REQUEST, __check_int_ptr(x)
#define OPUS_SET_VBR_RATE_REQUEST 4
#define OPUS_SET_VBR_RATE(x) OPUS_SET_VBR_RATE_REQUEST, __check_int(x)
#define OPUS_GET_VBR_RATE_REQUEST 5
#define OPUS_GET_VBR_RATE(x) OPUS_GET_VBR_RATE_REQUEST, __check_int_ptr(x)
typedef struct OpusEncoder OpusEncoder;
typedef struct OpusDecoder OpusDecoder;
OpusEncoder *opus_encoder_create(int Fs, int channels);
int opus_encode(OpusEncoder *st, const short *pcm, int frame_size,
unsigned char *data, int bytes_per_packet);
void opus_encoder_destroy(OpusEncoder *st);
void opus_encoder_ctl(OpusEncoder *st, int request, ...);
OpusDecoder *opus_decoder_create(int Fs, int channels);
int opus_decode(OpusDecoder *st, const unsigned char *data, int len,
short *pcm, int frame_size);
void opus_decoder_ctl(OpusDecoder *st, int request, ...);
void opus_decoder_destroy(OpusDecoder *st);
#ifdef __cplusplus
}
#endif
#endif /* OPUS_H */