media/libopus/celt/modes.h@6474c204b198 (annotated)
media/libopus/celt/modes.h
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* Copyright (c) 2007-2008 CSIRO |
| michael@0 | 2 | Copyright (c) 2007-2009 Xiph.Org Foundation |
| michael@0 | 3 | Copyright (c) 2008 Gregory Maxwell |
| michael@0 | 4 | Written by Jean-Marc Valin and Gregory Maxwell */ |
| michael@0 | 5 | /* |
| michael@0 | 6 | Redistribution and use in source and binary forms, with or without |
| michael@0 | 7 | modification, are permitted provided that the following conditions |
| michael@0 | 8 | are met: |
| michael@0 | 9 | |
| michael@0 | 10 | - Redistributions of source code must retain the above copyright |
| michael@0 | 11 | notice, this list of conditions and the following disclaimer. |
| michael@0 | 12 | |
| michael@0 | 13 | - Redistributions in binary form must reproduce the above copyright |
| michael@0 | 14 | notice, this list of conditions and the following disclaimer in the |
| michael@0 | 15 | documentation and/or other materials provided with the distribution. |
| michael@0 | 16 | |
| michael@0 | 17 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| michael@0 | 18 | ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| michael@0 | 19 | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| michael@0 | 20 | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER |
| michael@0 | 21 | OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| michael@0 | 22 | EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| michael@0 | 23 | PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| michael@0 | 24 | PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| michael@0 | 25 | LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| michael@0 | 26 | NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| michael@0 | 27 | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| michael@0 | 28 | */ |
| michael@0 | 29 | |
| michael@0 | 30 | #ifndef MODES_H |
| michael@0 | 31 | #define MODES_H |
| michael@0 | 32 | |
| michael@0 | 33 | #include "opus_types.h" |
| michael@0 | 34 | #include "celt.h" |
| michael@0 | 35 | #include "arch.h" |
| michael@0 | 36 | #include "mdct.h" |
| michael@0 | 37 | #include "entenc.h" |
| michael@0 | 38 | #include "entdec.h" |
| michael@0 | 39 | |
| michael@0 | 40 | #define MAX_PERIOD 1024 |
| michael@0 | 41 | |
| michael@0 | 42 | #ifndef OVERLAP |
| michael@0 | 43 | #define OVERLAP(mode) ((mode)->overlap) |
| michael@0 | 44 | #endif |
| michael@0 | 45 | |
| michael@0 | 46 | #ifndef FRAMESIZE |
| michael@0 | 47 | #define FRAMESIZE(mode) ((mode)->mdctSize) |
| michael@0 | 48 | #endif |
| michael@0 | 49 | |
| michael@0 | 50 | typedef struct { |
| michael@0 | 51 | int size; |
| michael@0 | 52 | const opus_int16 *index; |
| michael@0 | 53 | const unsigned char *bits; |
| michael@0 | 54 | const unsigned char *caps; |
| michael@0 | 55 | } PulseCache; |
| michael@0 | 56 | |
| michael@0 | 57 | /** Mode definition (opaque) |
| michael@0 | 58 | @brief Mode definition |
| michael@0 | 59 | */ |
| michael@0 | 60 | struct OpusCustomMode { |
| michael@0 | 61 | opus_int32 Fs; |
| michael@0 | 62 | int overlap; |
| michael@0 | 63 | |
| michael@0 | 64 | int nbEBands; |
| michael@0 | 65 | int effEBands; |
| michael@0 | 66 | opus_val16 preemph[4]; |
| michael@0 | 67 | const opus_int16 *eBands; /**< Definition for each "pseudo-critical band" */ |
| michael@0 | 68 | |
| michael@0 | 69 | int maxLM; |
| michael@0 | 70 | int nbShortMdcts; |
| michael@0 | 71 | int shortMdctSize; |
| michael@0 | 72 | |
| michael@0 | 73 | int nbAllocVectors; /**< Number of lines in the matrix below */ |
| michael@0 | 74 | const unsigned char *allocVectors; /**< Number of bits in each band for several rates */ |
| michael@0 | 75 | const opus_int16 *logN; |
| michael@0 | 76 | |
| michael@0 | 77 | const opus_val16 *window; |
| michael@0 | 78 | mdct_lookup mdct; |
| michael@0 | 79 | PulseCache cache; |
| michael@0 | 80 | }; |
| michael@0 | 81 | |
| michael@0 | 82 | |
| michael@0 | 83 | #endif |
