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Member "ffmpeg-3.4.2/libavcodec/aacenctab.c" (31 Dec 2017, 3766 Bytes) of package /linux/misc/ffmpeg-3.4.2.tar.xz:


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    1 /*
    2  * AAC encoder data
    3  * Copyright (c) 2015 Rostislav Pehlivanov ( atomnuker gmail com )
    4  *
    5  * This file is part of FFmpeg.
    6  *
    7  * FFmpeg is free software; you can redistribute it and/or
    8  * modify it under the terms of the GNU Lesser General Public
    9  * License as published by the Free Software Foundation; either
   10  * version 2.1 of the License, or (at your option) any later version.
   11  *
   12  * FFmpeg is distributed in the hope that it will be useful,
   13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
   14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   15  * Lesser General Public License for more details.
   16  *
   17  * You should have received a copy of the GNU Lesser General Public
   18  * License along with FFmpeg; if not, write to the Free Software
   19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
   20  */
   21 
   22 #include "aacenctab.h"
   23 
   24 static const uint8_t swb_size_128_96[] = {
   25     4, 4, 4, 4, 4, 4, 8, 8, 8, 16, 28, 36
   26 };
   27 
   28 static const uint8_t swb_size_128_64[] = {
   29     4, 4, 4, 4, 4, 4, 8, 8, 8, 16, 28, 36
   30 };
   31 
   32 static const uint8_t swb_size_128_48[] = {
   33     4, 4, 4, 4, 4, 8, 8, 8, 12, 12, 12, 16, 16, 16
   34 };
   35 
   36 static const uint8_t swb_size_128_24[] = {
   37     4, 4, 4, 4, 4, 4, 4, 8, 8, 8, 12, 12, 16, 16, 20
   38 };
   39 
   40 static const uint8_t swb_size_128_16[] = {
   41     4, 4, 4, 4, 4, 4, 4, 4, 8, 8, 12, 12, 16, 20, 20
   42 };
   43 
   44 static const uint8_t swb_size_128_8[] = {
   45     4, 4, 4, 4, 4, 4, 4, 8, 8, 8, 8, 12, 16, 20, 20
   46 };
   47 
   48 static const uint8_t swb_size_1024_96[] = {
   49     4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 8, 8, 8, 8, 8,
   50     12, 12, 12, 12, 12, 16, 16, 24, 28, 36, 44,
   51     64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64
   52 };
   53 
   54 static const uint8_t swb_size_1024_64[] = {
   55     4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 8, 8, 8, 8,
   56     12, 12, 12, 16, 16, 16, 20, 24, 24, 28, 36,
   57     40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40
   58 };
   59 
   60 static const uint8_t swb_size_1024_48[] = {
   61     4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 8, 8, 8, 8, 8, 8, 8,
   62     12, 12, 12, 12, 16, 16, 20, 20, 24, 24, 28, 28,
   63     32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32,
   64     96
   65 };
   66 
   67 static const uint8_t swb_size_1024_32[] = {
   68     4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 8, 8, 8, 8, 8, 8, 8,
   69     12, 12, 12, 12, 16, 16, 20, 20, 24, 24, 28, 28,
   70     32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32
   71 };
   72 
   73 static const uint8_t swb_size_1024_24[] = {
   74     4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
   75     12, 12, 12, 12, 16, 16, 16, 20, 20, 24, 24, 28, 28,
   76     32, 36, 36, 40, 44, 48, 52, 52, 64, 64, 64, 64, 64
   77 };
   78 
   79 static const uint8_t swb_size_1024_16[] = {
   80     8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
   81     12, 12, 12, 12, 12, 12, 12, 12, 12, 16, 16, 16, 16, 20, 20, 20, 24, 24, 28, 28,
   82     32, 36, 40, 40, 44, 48, 52, 56, 60, 64, 64, 64
   83 };
   84 
   85 static const uint8_t swb_size_1024_8[] = {
   86     12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
   87     16, 16, 16, 16, 16, 16, 16, 20, 20, 20, 20, 24, 24, 24, 28, 28,
   88     32, 36, 36, 40, 44, 48, 52, 56, 60, 64, 80
   89 };
   90 
   91 const uint8_t *ff_aac_swb_size_128[] = {
   92     swb_size_128_96, swb_size_128_96, swb_size_128_64,
   93     swb_size_128_48, swb_size_128_48, swb_size_128_48,
   94     swb_size_128_24, swb_size_128_24, swb_size_128_16,
   95     swb_size_128_16, swb_size_128_16, swb_size_128_8,
   96     swb_size_128_8
   97 };
   98 
   99 const uint8_t *ff_aac_swb_size_1024[] = {
  100     swb_size_1024_96, swb_size_1024_96, swb_size_1024_64,
  101     swb_size_1024_48, swb_size_1024_48, swb_size_1024_32,
  102     swb_size_1024_24, swb_size_1024_24, swb_size_1024_16,
  103     swb_size_1024_16, swb_size_1024_16, swb_size_1024_8,
  104     swb_size_1024_8
  105 };
  106 
  107 const int ff_aac_swb_size_128_len  = FF_ARRAY_ELEMS(ff_aac_swb_size_128);
  108 const int ff_aac_swb_size_1024_len = FF_ARRAY_ELEMS(ff_aac_swb_size_1024);