yading@10: /*
yading@10:  * Common code between Nellymoser encoder and decoder
yading@10:  * Copyright (c) 2007 a840bda5870ba11f19698ff6eb9581dfb0f95fa5,
yading@10:  *                    539459aeb7d425140b62a3ec7dbf6dc8e408a306, and
yading@10:  *                    520e17cd55896441042b14df2566a6eb610ed444
yading@10:  * Copyright (c) 2007 Loic Minier <lool at dooz.org>
yading@10:  *                    Benjamin Larsson
yading@10:  *
yading@10:  * Permission is hereby granted, free of charge, to any person obtaining a
yading@10:  * copy of this software and associated documentation files (the "Software"),
yading@10:  * to deal in the Software without restriction, including without limitation
yading@10:  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
yading@10:  * and/or sell copies of the Software, and to permit persons to whom the
yading@10:  * Software is furnished to do so, subject to the following conditions:
yading@10:  *
yading@10:  * The above copyright notice and this permission notice shall be included in
yading@10:  * all copies or substantial portions of the Software.
yading@10:  *
yading@10:  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
yading@10:  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
yading@10:  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
yading@10:  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
yading@10:  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
yading@10:  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
yading@10:  * DEALINGS IN THE SOFTWARE.
yading@10:  */
yading@10: 
yading@10: /**
yading@10:  * @file
yading@10:  * The 3 alphanumeric copyright notices are md5summed they are from the original
yading@10:  * implementors. The original code is available from http://code.google.com/p/nelly2pcm/
yading@10:  */
yading@10: 
yading@10: #ifndef AVCODEC_NELLYMOSER_H
yading@10: #define AVCODEC_NELLYMOSER_H
yading@10: 
yading@10: #include "avcodec.h"
yading@10: 
yading@10: #define NELLY_BANDS       23
yading@10: #define NELLY_BLOCK_LEN   64
yading@10: #define NELLY_HEADER_BITS 116
yading@10: #define NELLY_DETAIL_BITS 198
yading@10: #define NELLY_BUF_LEN     128
yading@10: #define NELLY_FILL_LEN    124
yading@10: #define NELLY_BIT_CAP     6
yading@10: #define NELLY_BASE_OFF    4228
yading@10: #define NELLY_BASE_SHIFT  19
yading@10: #define NELLY_SAMPLES     (2 * NELLY_BUF_LEN)
yading@10: 
yading@10: extern const float    ff_nelly_dequantization_table[127];
yading@10: extern const uint8_t  ff_nelly_band_sizes_table[NELLY_BANDS];
yading@10: extern const uint16_t ff_nelly_init_table[64];
yading@10: extern const int16_t  ff_nelly_delta_table[32];
yading@10: 
yading@10: void ff_nelly_get_sample_bits(const float *buf, int *bits);
yading@10: 
yading@10: #endif /* AVCODEC_NELLYMOSER_H */