36 lines
1.7 KiB
C
36 lines
1.7 KiB
C
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/*
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* Siren Encoder/Decoder library
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*
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* @author: Youness Alaoui <kakaroto@kakaroto.homelinux.net>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef _SIREN7_HUFFMAN_H_
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#define _SIREN7_HUFFMAN_H_
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#include "decoder.h"
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extern int compute_region_powers(int number_of_regions, float *coefs, int *drp_num_bits, int *drp_code_bits, int *absolute_region_power_index, int esf_adjustment);
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extern int quantize_mlt(int number_of_regions, int rate_control_possibilities, int number_of_available_bits, float *coefs, int *absolute_region_power_index, int *power_categories, int *category_balance, int *region_mlt_bit_counts, int *region_mlt_bits);
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extern int decode_envelope(int number_of_regions, float *decoder_standard_deviation, int *absolute_region_power_index, int esf_adjustment);
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extern int decode_vector(SirenDecoder decoder, int number_of_regions, int number_of_available_bits, float *decoder_standard_deviation, int *power_categories, float *coefs, int scale_factor);
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extern void set_bitstream(int *stream);
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extern int next_bit();
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#endif /* _SIREN7_HUFFMAN_H_ */
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