| Index: opus/celt/bands.h
|
| ===================================================================
|
| --- opus/celt/bands.h (revision 0)
|
| +++ opus/celt/bands.h (revision 0)
|
| @@ -0,0 +1,95 @@
|
| +/* Copyright (c) 2007-2008 CSIRO
|
| + Copyright (c) 2007-2009 Xiph.Org Foundation
|
| + Copyright (c) 2008-2009 Gregory Maxwell
|
| + Written by Jean-Marc Valin and Gregory Maxwell */
|
| +/*
|
| + 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 BANDS_H
|
| +#define BANDS_H
|
| +
|
| +#include "arch.h"
|
| +#include "modes.h"
|
| +#include "entenc.h"
|
| +#include "entdec.h"
|
| +#include "rate.h"
|
| +
|
| +/** Compute the amplitude (sqrt energy) in each of the bands
|
| + * @param m Mode data
|
| + * @param X Spectrum
|
| + * @param bands Square root of the energy for each band (returned)
|
| + */
|
| +void compute_band_energies(const CELTMode *m, const celt_sig *X, celt_ener *bandE, int end, int C, int M);
|
| +
|
| +/*void compute_noise_energies(const CELTMode *m, const celt_sig *X, const opus_val16 *tonality, celt_ener *bandE);*/
|
| +
|
| +/** Normalise each band of X such that the energy in each band is
|
| + equal to 1
|
| + * @param m Mode data
|
| + * @param X Spectrum (returned normalised)
|
| + * @param bands Square root of the energy for each band
|
| + */
|
| +void normalise_bands(const CELTMode *m, const celt_sig * OPUS_RESTRICT freq, celt_norm * OPUS_RESTRICT X, const celt_ener *bandE, int end, int C, int M);
|
| +
|
| +/** Denormalise each band of X to restore full amplitude
|
| + * @param m Mode data
|
| + * @param X Spectrum (returned de-normalised)
|
| + * @param bands Square root of the energy for each band
|
| + */
|
| +void denormalise_bands(const CELTMode *m, const celt_norm * OPUS_RESTRICT X, celt_sig * OPUS_RESTRICT freq, const celt_ener *bandE, int end, int C, int M);
|
| +
|
| +#define SPREAD_NONE (0)
|
| +#define SPREAD_LIGHT (1)
|
| +#define SPREAD_NORMAL (2)
|
| +#define SPREAD_AGGRESSIVE (3)
|
| +
|
| +int spreading_decision(const CELTMode *m, celt_norm *X, int *average,
|
| + int last_decision, int *hf_average, int *tapset_decision, int update_hf,
|
| + int end, int C, int M);
|
| +
|
| +#ifdef MEASURE_NORM_MSE
|
| +void measure_norm_mse(const CELTMode *m, float *X, float *X0, float *bandE, float *bandE0, int M, int N, int C);
|
| +#endif
|
| +
|
| +void haar1(celt_norm *X, int N0, int stride);
|
| +
|
| +/** Quantisation/encoding of the residual spectrum
|
| + * @param m Mode data
|
| + * @param X Residual (normalised)
|
| + * @param total_bits Total number of bits that can be used for the frame (including the ones already spent)
|
| + * @param enc Entropy encoder
|
| + */
|
| +void quant_all_bands(int encode, const CELTMode *m, int start, int end,
|
| + celt_norm * X, celt_norm * Y, unsigned char *collapse_masks, const celt_ener *bandE, int *pulses,
|
| + int time_domain, int fold, int dual_stereo, int intensity, int *tf_res,
|
| + opus_int32 total_bits, opus_int32 balance, ec_ctx *ec, int M, int codedBands, opus_uint32 *seed);
|
| +
|
| +void anti_collapse(const CELTMode *m, celt_norm *X_, unsigned char *collapse_masks, int LM, int C, int size,
|
| + int start, int end, opus_val16 *logE, opus_val16 *prev1logE,
|
| + opus_val16 *prev2logE, int *pulses, opus_uint32 seed);
|
| +
|
| +opus_uint32 celt_lcg_rand(opus_uint32 seed);
|
| +
|
| +#endif /* BANDS_H */
|
|
|
| Property changes on: opus/celt/bands.h
|
| ___________________________________________________________________
|
| Added: svn:eol-style
|
| + LF
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|