70 lines
3.3 KiB
C
Executable file
70 lines
3.3 KiB
C
Executable file
/* (C) 2007 Jean-Marc Valin, CSIRO
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*/
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/*
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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- Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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- Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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- Neither the name of the Xiph.org Foundation nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
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CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef cc6_QUANT_BANDS
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#define cc6_QUANT_BANDS
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#include "cc6_arch.h"
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#include "cc6_modes.h"
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#include "cc6_entenc.h"
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#include "cc6_entdec.h"
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#include "cc6_mathops.h"
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static __inline cc6_celt_word16_t cc6_amp2Log(cc6_celt_word32_t amp)
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{
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return cc6_celt_log2(cc6_MAX32(cc6_QCONST32(.001f,14),cc6_SHL32(amp,2)));
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}
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static __inline cc6_celt_word32_t cc6_log2Amp(cc6_celt_word16_t lg)
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{
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return cc6_PSHR32(cc6_celt_exp2(cc6_SHL16(lg,3)),4);
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}
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int *cc6_quant_prob_alloc(const cc6_CELTMode *m);
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void cc6_quant_prob_free(int *freq);
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void cc6_compute_fine_allocation(const cc6_CELTMode *m, int *bits, int budget);
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int cc6_intra_decision(cc6_celt_word16_t *eBands, cc6_celt_word16_t *oldEBands, int len);
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unsigned cc6_quant_coarse_energy(const cc6_CELTMode *m, cc6_celt_word16_t *eBands, cc6_celt_word16_t *oldEBands, int budget, int intra, int *prob, cc6_celt_word16_t *error, cc6_ec_enc *enc);
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void cc6_quant_fine_energy(const cc6_CELTMode *m, cc6_celt_ener_t *eBands, cc6_celt_word16_t *oldEBands, cc6_celt_word16_t *error, int *fine_quant, cc6_ec_enc *enc);
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void cc6_quant_energy_finalise(const cc6_CELTMode *m, cc6_celt_ener_t *eBands, cc6_celt_word16_t *oldEBands, cc6_celt_word16_t *error, int *fine_quant, int *fine_priority, int bits_left, cc6_ec_enc *enc);
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void cc6_unquant_coarse_energy(const cc6_CELTMode *m, cc6_celt_ener_t *eBands, cc6_celt_word16_t *oldEBands, int budget, int intra, int *prob, cc6_ec_dec *dec);
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void cc6_unquant_fine_energy(const cc6_CELTMode *m, cc6_celt_ener_t *eBands, cc6_celt_word16_t *oldEBands, int *fine_quant, cc6_ec_dec *dec);
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void cc6_unquant_energy_finalise(const cc6_CELTMode *m, cc6_celt_ener_t *eBands, cc6_celt_word16_t *oldEBands, int *fine_quant, int *fine_priority, int bits_left, cc6_ec_dec *dec);
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#endif /* cc6_QUANT_BANDS */
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