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Diffstat (limited to 'src/opus-1.1/celt/celt.h')
| -rw-r--r-- | src/opus-1.1/celt/celt.h | 218 |
1 files changed, 0 insertions, 218 deletions
diff --git a/src/opus-1.1/celt/celt.h b/src/opus-1.1/celt/celt.h deleted file mode 100644 index 5deea1f0..00000000 --- a/src/opus-1.1/celt/celt.h +++ /dev/null @@ -1,218 +0,0 @@ -/* 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 - -typedef struct { - int valid; - float tonality; - float tonality_slope; - float noisiness; - float activity; - float music_prob; - int bandwidth; -}AnalysisInfo; - -#define __celt_check_mode_ptr_ptr(ptr) ((ptr) + ((ptr) - (const CELTMode**)(ptr))) - -#define __celt_check_analysis_ptr(ptr) ((ptr) + ((ptr) - (const AnalysisInfo*)(ptr))) - -/* Encoder/decoder Requests */ - -/* Expose this option again when variable framesize actually works */ -#define OPUS_FRAMESIZE_VARIABLE 5010 /**< Optimize the frame size dynamically */ - - -#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) - -#define CELT_SET_TONALITY_REQUEST 10018 -#define CELT_SET_TONALITY(x) CELT_SET_TONALITY_REQUEST, __opus_check_int(x) -#define CELT_SET_TONALITY_SLOPE_REQUEST 10020 -#define CELT_SET_TONALITY_SLOPE(x) CELT_SET_TONALITY_SLOPE_REQUEST, __opus_check_int(x) - -#define CELT_SET_ANALYSIS_REQUEST 10022 -#define CELT_SET_ANALYSIS(x) CELT_SET_ANALYSIS_REQUEST, __celt_check_analysis_ptr(x) - -#define OPUS_SET_LFE_REQUEST 10024 -#define OPUS_SET_LFE(x) OPUS_SET_LFE_REQUEST, __opus_check_int(x) - -#define OPUS_SET_ENERGY_MASK_REQUEST 10026 -#define OPUS_SET_ENERGY_MASK(x) OPUS_SET_ENERGY_MASK_REQUEST, __opus_check_val16_ptr(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, - int arch); - - - -/* 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 CUSTOM_MODES -#define OPUS_CUSTOM_NOSTATIC -#else -#define OPUS_CUSTOM_NOSTATIC static OPUS_INLINE -#endif - -static const unsigned char trim_icdf[11] = {126, 124, 119, 109, 87, 41, 19, 9, 4, 2, 0}; -/* Probs: NONE: 21.875%, LIGHT: 6.25%, NORMAL: 65.625%, AGGRESSIVE: 6.25% */ -static const unsigned char spread_icdf[4] = {25, 23, 2, 0}; - -static const unsigned char tapset_icdf[3]={2,1,0}; - -#ifdef CUSTOM_MODES -static const unsigned char toOpusTable[20] = { - 0xE0, 0xE8, 0xF0, 0xF8, - 0xC0, 0xC8, 0xD0, 0xD8, - 0xA0, 0xA8, 0xB0, 0xB8, - 0x00, 0x00, 0x00, 0x00, - 0x80, 0x88, 0x90, 0x98, -}; - -static const unsigned char fromOpusTable[16] = { - 0x80, 0x88, 0x90, 0x98, - 0x40, 0x48, 0x50, 0x58, - 0x20, 0x28, 0x30, 0x38, - 0x00, 0x08, 0x10, 0x18 -}; - -static OPUS_INLINE int toOpus(unsigned char c) -{ - int ret=0; - if (c<0xA0) - ret = toOpusTable[c>>3]; - if (ret == 0) - return -1; - else - return ret|(c&0x7); -} - -static OPUS_INLINE int fromOpus(unsigned char c) -{ - if (c<0x80) - return -1; - else - return fromOpusTable[(c>>3)-16] | (c&0x7); -} -#endif /* CUSTOM_MODES */ - -#define COMBFILTER_MAXPERIOD 1024 -#define COMBFILTER_MINPERIOD 15 - -extern const signed char tf_select_table[4][8]; - -int resampling_factor(opus_int32 rate); - -void celt_preemphasis(const opus_val16 * OPUS_RESTRICT pcmp, celt_sig * OPUS_RESTRICT inp, - int N, int CC, int upsample, const opus_val16 *coef, celt_sig *mem, int clip); - -void comb_filter(opus_val32 *y, opus_val32 *x, int T0, int T1, int N, - opus_val16 g0, opus_val16 g1, int tapset0, int tapset1, - const opus_val16 *window, int overlap); - -void init_caps(const CELTMode *m,int *cap,int LM,int C); - -#ifdef RESYNTH -void deemphasis(celt_sig *in[], opus_val16 *pcm, int N, int C, int downsample, const opus_val16 *coef, celt_sig *mem, celt_sig * OPUS_RESTRICT scratch); - -void compute_inv_mdcts(const CELTMode *mode, int shortBlocks, celt_sig *X, - celt_sig * OPUS_RESTRICT out_mem[], int C, int LM); -#endif - -#ifdef __cplusplus -} -#endif - -#endif /* CELT_H */ |