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58 lines
2.3 KiB
C
58 lines
2.3 KiB
C
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/*
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* Common code between Nellymoser encoder and decoder
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* Copyright (c) 2007 a840bda5870ba11f19698ff6eb9581dfb0f95fa5,
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* 539459aeb7d425140b62a3ec7dbf6dc8e408a306, and
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* 520e17cd55896441042b14df2566a6eb610ed444
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* Copyright (c) 2007 Loic Minier <lool at dooz.org>
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* Benjamin Larsson
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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/**
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* @file
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* The 3 alphanumeric copyright notices are md5summed they are from the original
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* implementors. The original code is available from http://code.google.com/p/nelly2pcm/
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*/
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#ifndef AVCODEC_NELLYMOSER_H
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#define AVCODEC_NELLYMOSER_H
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#include "avcodec.h"
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#define NELLY_BANDS 23
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#define NELLY_BLOCK_LEN 64
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#define NELLY_HEADER_BITS 116
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#define NELLY_DETAIL_BITS 198
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#define NELLY_BUF_LEN 128
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#define NELLY_FILL_LEN 124
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#define NELLY_BIT_CAP 6
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#define NELLY_BASE_OFF 4228
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#define NELLY_BASE_SHIFT 19
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#define NELLY_SAMPLES (2 * NELLY_BUF_LEN)
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extern const float ff_nelly_dequantization_table[127];
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extern const uint8_t ff_nelly_band_sizes_table[NELLY_BANDS];
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extern const uint16_t ff_nelly_init_table[64];
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extern const int16_t ff_nelly_delta_table[32];
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void ff_nelly_get_sample_bits(const float *buf, int *bits);
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#endif /* AVCODEC_NELLYMOSER_H */
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