Details | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4349 | Serge | 1 | /* |
| 2 | * Common code between Nellymoser encoder and decoder |
||
| 3 | * Copyright (c) 2007 a840bda5870ba11f19698ff6eb9581dfb0f95fa5, |
||
| 4 | * 539459aeb7d425140b62a3ec7dbf6dc8e408a306, and |
||
| 5 | * 520e17cd55896441042b14df2566a6eb610ed444 |
||
| 6 | * Copyright (c) 2007 Loic Minier |
||
| 7 | * Benjamin Larsson |
||
| 8 | * |
||
| 9 | * Permission is hereby granted, free of charge, to any person obtaining a |
||
| 10 | * copy of this software and associated documentation files (the "Software"), |
||
| 11 | * to deal in the Software without restriction, including without limitation |
||
| 12 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
||
| 13 | * and/or sell copies of the Software, and to permit persons to whom the |
||
| 14 | * Software is furnished to do so, subject to the following conditions: |
||
| 15 | * |
||
| 16 | * The above copyright notice and this permission notice shall be included in |
||
| 17 | * all copies or substantial portions of the Software. |
||
| 18 | * |
||
| 19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
||
| 20 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
||
| 21 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
||
| 22 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
||
| 23 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
||
| 24 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
||
| 25 | * DEALINGS IN THE SOFTWARE. |
||
| 26 | */ |
||
| 27 | |||
| 28 | /** |
||
| 29 | * @file |
||
| 30 | * The 3 alphanumeric copyright notices are md5summed they are from the original |
||
| 31 | * implementors. The original code is available from http://code.google.com/p/nelly2pcm/ |
||
| 32 | */ |
||
| 33 | |||
| 34 | #ifndef AVCODEC_NELLYMOSER_H |
||
| 35 | #define AVCODEC_NELLYMOSER_H |
||
| 36 | |||
| 37 | #include "avcodec.h" |
||
| 38 | |||
| 39 | #define NELLY_BANDS 23 |
||
| 40 | #define NELLY_BLOCK_LEN 64 |
||
| 41 | #define NELLY_HEADER_BITS 116 |
||
| 42 | #define NELLY_DETAIL_BITS 198 |
||
| 43 | #define NELLY_BUF_LEN 128 |
||
| 44 | #define NELLY_FILL_LEN 124 |
||
| 45 | #define NELLY_BIT_CAP 6 |
||
| 46 | #define NELLY_BASE_OFF 4228 |
||
| 47 | #define NELLY_BASE_SHIFT 19 |
||
| 48 | #define NELLY_SAMPLES (2 * NELLY_BUF_LEN) |
||
| 49 | |||
| 50 | extern const float ff_nelly_dequantization_table[127]; |
||
| 51 | extern const uint8_t ff_nelly_band_sizes_table[NELLY_BANDS]; |
||
| 52 | extern const uint16_t ff_nelly_init_table[64]; |
||
| 53 | extern const int16_t ff_nelly_delta_table[32]; |
||
| 54 | |||
| 55 | void ff_nelly_get_sample_bits(const float *buf, int *bits); |
||
| 56 | |||
| 57 | #endif /* AVCODEC_NELLYMOSER_H */ |