| /* 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 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 CELT_H |
| #define CELT_H |
| |
| #include "opus_types.h" |
| #include "opus_defines.h" |
| #include "opus_custom.h" |
| #include "entenc.h" |
| #include "entdec.h" |
| #include "arch.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #define CELTEncoder OpusCustomEncoder |
| #define CELTDecoder OpusCustomDecoder |
| #define CELTMode OpusCustomMode |
| |
| #define _celt_check_mode_ptr_ptr(ptr) ((ptr) + ((ptr) - (const CELTMode**)(ptr))) |
| |
| /* Encoder/decoder Requests */ |
| |
| #define CELT_SET_PREDICTION_REQUEST 10002 |
| /** 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 10004 |
| #define CELT_SET_INPUT_CLIPPING(x) CELT_SET_INPUT_CLIPPING_REQUEST, __opus_check_int(x) |
| |
| #define CELT_GET_AND_CLEAR_ERROR_REQUEST 10007 |
| #define CELT_GET_AND_CLEAR_ERROR(x) CELT_GET_AND_CLEAR_ERROR_REQUEST, __opus_check_int_ptr(x) |
| |
| #define CELT_SET_CHANNELS_REQUEST 10008 |
| #define CELT_SET_CHANNELS(x) CELT_SET_CHANNELS_REQUEST, __opus_check_int(x) |
| |
| |
| /* Internal */ |
| #define CELT_SET_START_BAND_REQUEST 10010 |
| #define CELT_SET_START_BAND(x) CELT_SET_START_BAND_REQUEST, __opus_check_int(x) |
| |
| #define CELT_SET_END_BAND_REQUEST 10012 |
| #define CELT_SET_END_BAND(x) CELT_SET_END_BAND_REQUEST, __opus_check_int(x) |
| |
| #define CELT_GET_MODE_REQUEST 10015 |
| /** Get the CELTMode used by an encoder or decoder */ |
| #define CELT_GET_MODE(x) CELT_GET_MODE_REQUEST, _celt_check_mode_ptr_ptr(x) |
| |
| #define CELT_SET_SIGNALLING_REQUEST 10016 |
| #define CELT_SET_SIGNALLING(x) CELT_SET_SIGNALLING_REQUEST, __opus_check_int(x) |
| |
| |
| |
| /* Encoder stuff */ |
| |
| int celt_encoder_get_size(int channels); |
| |
| int celt_encode_with_ec(OpusCustomEncoder * OPUS_RESTRICT st, const opus_val16 * pcm, int frame_size, unsigned char *compressed, int nbCompressedBytes, ec_enc *enc); |
| |
| int celt_encoder_init(CELTEncoder *st, opus_int32 sampling_rate, int channels); |
| |
| |
| |
| /* Decoder stuff */ |
| |
| int celt_decoder_get_size(int channels); |
| |
| |
| int celt_decoder_init(CELTDecoder *st, opus_int32 sampling_rate, int channels); |
| |
| int celt_decode_with_ec(OpusCustomDecoder * OPUS_RESTRICT st, const unsigned char *data, int len, opus_val16 * OPUS_RESTRICT pcm, int frame_size, ec_dec *dec); |
| |
| #define celt_encoder_ctl opus_custom_encoder_ctl |
| #define celt_decoder_ctl opus_custom_decoder_ctl |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* CELT_H */ |