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57 lines
2.3 KiB
57 lines
2.3 KiB
/* |
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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 libavcodec/nellymoser.h |
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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
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