diff options
author | Aurelien Jacobs <aurel@gnuage.org> | 2007-05-19 00:06:02 +0000 |
---|---|---|
committer | Aurelien Jacobs <aurel@gnuage.org> | 2007-05-19 00:06:02 +0000 |
commit | 4991c0516d7ae523d72b2eada05dd20a30735dff (patch) | |
tree | ebe4e2a2e1377269ded68bf9c6fb5ad32d0d22e7 | |
parent | 63ab52b7ecdbcaf097862da79efa72e678920725 (diff) | |
download | ffmpeg-4991c0516d7ae523d72b2eada05dd20a30735dff.tar.gz |
move some common mpeg audio tables from mpegaudiodectab.h to mpegaudiodata.c
Originally committed as revision 9060 to svn://svn.ffmpeg.org/ffmpeg/trunk
-rw-r--r-- | libavcodec/Makefile | 6 | ||||
-rw-r--r-- | libavcodec/bitstream_filter.c | 1 | ||||
-rw-r--r-- | libavcodec/mpegaudio.c | 1 | ||||
-rw-r--r-- | libavcodec/mpegaudio.h | 9 | ||||
-rw-r--r-- | libavcodec/mpegaudiodata.c | 225 | ||||
-rw-r--r-- | libavcodec/mpegaudiodata.h | 40 | ||||
-rw-r--r-- | libavcodec/mpegaudiodec.c | 1 | ||||
-rw-r--r-- | libavcodec/mpegaudiodectab.h | 197 |
8 files changed, 271 insertions, 209 deletions
diff --git a/libavcodec/Makefile b/libavcodec/Makefile index 1e473da18f..3ffdcd9d93 100644 --- a/libavcodec/Makefile +++ b/libavcodec/Makefile @@ -19,7 +19,7 @@ OBJS= bitstream.o \ motion_est.o \ imgconvert.o \ mpeg12.o \ - mpegaudiodec.o \ + mpegaudiodec.o mpegaudiodata.o \ simple_idct.o \ ratecontrol.o \ eval.o \ @@ -107,7 +107,7 @@ OBJS-$(CONFIG_MJPEG_DECODER) += mjpegdec.o mjpeg.o jpeglsdec.o jpegls. OBJS-$(CONFIG_MJPEG_ENCODER) += mjpegenc.o mjpeg.o mpegvideo.o OBJS-$(CONFIG_MJPEGB_DECODER) += mjpegdec.o mjpeg.o jpeglsdec.o jpegls.o OBJS-$(CONFIG_MMVIDEO_DECODER) += mmvideo.o -OBJS-$(CONFIG_MP2_ENCODER) += mpegaudio.o +OBJS-$(CONFIG_MP2_ENCODER) += mpegaudio.o mpegaudiodata.o OBJS-$(CONFIG_MPC7_DECODER) += mpc.o OBJS-$(CONFIG_MSMPEG4V1_DECODER) += msmpeg4.o msmpeg4data.o OBJS-$(CONFIG_MSMPEG4V1_ENCODER) += msmpeg4.o msmpeg4data.o @@ -308,7 +308,7 @@ OBJS-$(CONFIG_DUMP_EXTRADATA_BSF) += bitstream_filter.o OBJS-$(CONFIG_REMOVE_EXTRADATA_BSF) += bitstream_filter.o OBJS-$(CONFIG_NOISE_BSF) += bitstream_filter.o OBJS-$(CONFIG_MP3_HEADER_COMPRESS_BSF) += bitstream_filter.o -OBJS-$(CONFIG_MP3_HEADER_DECOMPRESS_BSF) += bitstream_filter.o +OBJS-$(CONFIG_MP3_HEADER_DECOMPRESS_BSF) += bitstream_filter.o mpegaudiodata.o OBJS-$(CONFIG_MJPEGA_DUMP_HEADER_BSF) += mjpegdec.o mjpeg.o jpeglsdec.o jpegls.o OBJS-$(CONFIG_IMX_DUMP_HEADER_BSF) += mpeg12.o diff --git a/libavcodec/bitstream_filter.c b/libavcodec/bitstream_filter.c index 5ff9c72c4e..ea7166e1fd 100644 --- a/libavcodec/bitstream_filter.c +++ b/libavcodec/bitstream_filter.c @@ -20,6 +20,7 @@ #include "avcodec.h" #include "mpegaudio.h" +#include "mpegaudiodata.h" AVBitStreamFilter *first_bitstream_filter= NULL; diff --git a/libavcodec/mpegaudio.c b/libavcodec/mpegaudio.c index c8f25d114e..642c70bb0b 100644 --- a/libavcodec/mpegaudio.c +++ b/libavcodec/mpegaudio.c @@ -59,6 +59,7 @@ typedef struct MpegAudioContext { /* define it to use floats in quantization (I don't like floats !) */ //#define USE_FLOATS +#include "mpegaudiodata.h" #include "mpegaudiotab.h" static int MPA_encode_init(AVCodecContext *avctx) diff --git a/libavcodec/mpegaudio.h b/libavcodec/mpegaudio.h index 3eadf92a81..6dd43fce2e 100644 --- a/libavcodec/mpegaudio.h +++ b/libavcodec/mpegaudio.h @@ -79,15 +79,6 @@ void ff_mpa_synth_filter(MPA_INT *synth_buf_ptr, int *synth_buf_offset, OUT_INT *samples, int incr, int32_t sb_samples[SBLIMIT]); -extern const uint16_t mpa_bitrate_tab[2][3][15]; -extern const uint16_t mpa_freq_tab[3]; -extern const unsigned char *alloc_tables[5]; -extern const double enwindow[512]; -extern const int sblimit_table[5]; -extern const int quant_steps[17]; -extern const int quant_bits[17]; -extern const int32_t mpa_enwindow[257]; - /* fast header check for resync */ static inline int ff_mpa_check_header(uint32_t header){ /* header */ diff --git a/libavcodec/mpegaudiodata.c b/libavcodec/mpegaudiodata.c new file mode 100644 index 0000000000..ec19831eba --- /dev/null +++ b/libavcodec/mpegaudiodata.c @@ -0,0 +1,225 @@ +/* + * MPEG Audio common tables + * copyright (c) 2002 Fabrice Bellard + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file mpegaudiodata.c + * mpeg audio layer common tables. + */ + +#include "mpegaudiodata.h" + + +const uint16_t mpa_bitrate_tab[2][3][15] = { + { {0, 32, 64, 96, 128, 160, 192, 224, 256, 288, 320, 352, 384, 416, 448 }, + {0, 32, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320, 384 }, + {0, 32, 40, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320 } }, + { {0, 32, 48, 56, 64, 80, 96, 112, 128, 144, 160, 176, 192, 224, 256}, + {0, 8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128, 144, 160}, + {0, 8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128, 144, 160} + } +}; + +const uint16_t mpa_freq_tab[3] = { 44100, 48000, 32000 }; + +/*******************************************************/ +/* half mpeg encoding window (full precision) */ +const int32_t mpa_enwindow[257] = { + 0, -1, -1, -1, -1, -1, -1, -2, + -2, -2, -2, -3, -3, -4, -4, -5, + -5, -6, -7, -7, -8, -9, -10, -11, + -13, -14, -16, -17, -19, -21, -24, -26, + -29, -31, -35, -38, -41, -45, -49, -53, + -58, -63, -68, -73, -79, -85, -91, -97, + -104, -111, -117, -125, -132, -139, -147, -154, + -161, -169, -176, -183, -190, -196, -202, -208, + 213, 218, 222, 225, 227, 228, 228, 227, + 224, 221, 215, 208, 200, 189, 177, 163, + 146, 127, 106, 83, 57, 29, -2, -36, + -72, -111, -153, -197, -244, -294, -347, -401, + -459, -519, -581, -645, -711, -779, -848, -919, + -991, -1064, -1137, -1210, -1283, -1356, -1428, -1498, + -1567, -1634, -1698, -1759, -1817, -1870, -1919, -1962, + -2001, -2032, -2057, -2075, -2085, -2087, -2080, -2063, + 2037, 2000, 1952, 1893, 1822, 1739, 1644, 1535, + 1414, 1280, 1131, 970, 794, 605, 402, 185, + -45, -288, -545, -814, -1095, -1388, -1692, -2006, + -2330, -2663, -3004, -3351, -3705, -4063, -4425, -4788, + -5153, -5517, -5879, -6237, -6589, -6935, -7271, -7597, + -7910, -8209, -8491, -8755, -8998, -9219, -9416, -9585, + -9727, -9838, -9916, -9959, -9966, -9935, -9863, -9750, + -9592, -9389, -9139, -8840, -8492, -8092, -7640, -7134, + 6574, 5959, 5288, 4561, 3776, 2935, 2037, 1082, + 70, -998, -2122, -3300, -4533, -5818, -7154, -8540, + -9975,-11455,-12980,-14548,-16155,-17799,-19478,-21189, +-22929,-24694,-26482,-28289,-30112,-31947,-33791,-35640, +-37489,-39336,-41176,-43006,-44821,-46617,-48390,-50137, +-51853,-53534,-55178,-56778,-58333,-59838,-61289,-62684, +-64019,-65290,-66494,-67629,-68692,-69679,-70590,-71420, +-72169,-72835,-73415,-73908,-74313,-74630,-74856,-74992, + 75038, +}; + +/*******************************************************/ +/* layer 2 tables */ + +const int sblimit_table[5] = { 27 , 30 , 8, 12 , 30 }; + +const int quant_steps[17] = { + 3, 5, 7, 9, 15, + 31, 63, 127, 255, 511, + 1023, 2047, 4095, 8191, 16383, + 32767, 65535 +}; + +/* we use a negative value if grouped */ +const int quant_bits[17] = { + -5, -7, 3, -10, 4, + 5, 6, 7, 8, 9, + 10, 11, 12, 13, 14, + 15, 16 +}; + +/* encoding tables which give the quantization index. Note how it is + possible to store them efficiently ! */ +static const unsigned char alloc_table_0[] = { + 4, 0, 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, + 4, 0, 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, + 4, 0, 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, + 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, + 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, + 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, + 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, + 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, + 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, + 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, + 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, + 3, 0, 1, 2, 3, 4, 5, 16, + 3, 0, 1, 2, 3, 4, 5, 16, + 3, 0, 1, 2, 3, 4, 5, 16, + 3, 0, 1, 2, 3, 4, 5, 16, + 3, 0, 1, 2, 3, 4, 5, 16, + 3, 0, 1, 2, 3, 4, 5, 16, + 3, 0, 1, 2, 3, 4, 5, 16, + 3, 0, 1, 2, 3, 4, 5, 16, + 3, 0, 1, 2, 3, 4, 5, 16, + 3, 0, 1, 2, 3, 4, 5, 16, + 3, 0, 1, 2, 3, 4, 5, 16, + 3, 0, 1, 2, 3, 4, 5, 16, + 2, 0, 1, 16, + 2, 0, 1, 16, + 2, 0, 1, 16, + 2, 0, 1, 16, +}; + +static const unsigned char alloc_table_1[] = { + 4, 0, 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, + 4, 0, 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, + 4, 0, 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, + 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, + 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, + 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, + 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, + 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, + 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, + 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, + 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, + 3, 0, 1, 2, 3, 4, 5, 16, + 3, 0, 1, 2, 3, 4, 5, 16, + 3, 0, 1, 2, 3, 4, 5, 16, + 3, 0, 1, 2, 3, 4, 5, 16, + 3, 0, 1, 2, 3, 4, 5, 16, + 3, 0, 1, 2, 3, 4, 5, 16, + 3, 0, 1, 2, 3, 4, 5, 16, + 3, 0, 1, 2, 3, 4, 5, 16, + 3, 0, 1, 2, 3, 4, 5, 16, + 3, 0, 1, 2, 3, 4, 5, 16, + 3, 0, 1, 2, 3, 4, 5, 16, + 3, 0, 1, 2, 3, 4, 5, 16, + 2, 0, 1, 16, + 2, 0, 1, 16, + 2, 0, 1, 16, + 2, 0, 1, 16, + 2, 0, 1, 16, + 2, 0, 1, 16, + 2, 0, 1, 16, +}; + +static const unsigned char alloc_table_2[] = { + 4, 0, 1, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, + 4, 0, 1, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, + 3, 0, 1, 3, 4, 5, 6, 7, + 3, 0, 1, 3, 4, 5, 6, 7, + 3, 0, 1, 3, 4, 5, 6, 7, + 3, 0, 1, 3, 4, 5, 6, 7, + 3, 0, 1, 3, 4, 5, 6, 7, + 3, 0, 1, 3, 4, 5, 6, 7, +}; + +static const unsigned char alloc_table_3[] = { + 4, 0, 1, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, + 4, 0, 1, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, + 3, 0, 1, 3, 4, 5, 6, 7, + 3, 0, 1, 3, 4, 5, 6, 7, + 3, 0, 1, 3, 4, 5, 6, 7, + 3, 0, 1, 3, 4, 5, 6, 7, + 3, 0, 1, 3, 4, 5, 6, 7, + 3, 0, 1, 3, 4, 5, 6, 7, + 3, 0, 1, 3, 4, 5, 6, 7, + 3, 0, 1, 3, 4, 5, 6, 7, + 3, 0, 1, 3, 4, 5, 6, 7, + 3, 0, 1, 3, 4, 5, 6, 7, +}; + +static const unsigned char alloc_table_4[] = { + 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, + 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, + 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, + 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, + 3, 0, 1, 3, 4, 5, 6, 7, + 3, 0, 1, 3, 4, 5, 6, 7, + 3, 0, 1, 3, 4, 5, 6, 7, + 3, 0, 1, 3, 4, 5, 6, 7, + 3, 0, 1, 3, 4, 5, 6, 7, + 3, 0, 1, 3, 4, 5, 6, 7, + 3, 0, 1, 3, 4, 5, 6, 7, + 2, 0, 1, 3, + 2, 0, 1, 3, + 2, 0, 1, 3, + 2, 0, 1, 3, + 2, 0, 1, 3, + 2, 0, 1, 3, + 2, 0, 1, 3, + 2, 0, 1, 3, + 2, 0, 1, 3, + 2, 0, 1, 3, + 2, 0, 1, 3, + 2, 0, 1, 3, + 2, 0, 1, 3, + 2, 0, 1, 3, + 2, 0, 1, 3, + 2, 0, 1, 3, + 2, 0, 1, 3, + 2, 0, 1, 3, + 2, 0, 1, 3, +}; + +const unsigned char *alloc_tables[5] = +{ alloc_table_0, alloc_table_1, alloc_table_2, alloc_table_3, alloc_table_4, }; diff --git a/libavcodec/mpegaudiodata.h b/libavcodec/mpegaudiodata.h new file mode 100644 index 0000000000..a1365107c8 --- /dev/null +++ b/libavcodec/mpegaudiodata.h @@ -0,0 +1,40 @@ +/* + * MPEG Audio common tables + * copyright (c) 2002 Fabrice Bellard + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file mpegaudiodata.h + * mpeg audio layer common tables. + */ + +#ifndef MPEGAUDIODATA_H +#define MPEGAUDIODATA_H + +#include "common.h" + +extern const uint16_t mpa_bitrate_tab[2][3][15]; +extern const uint16_t mpa_freq_tab[3]; +extern const int32_t mpa_enwindow[257]; +extern const int sblimit_table[5]; +extern const int quant_steps[17]; +extern const int quant_bits[17]; +extern const unsigned char *alloc_tables[5]; + +#endif /* MPEGAUDIODATA_H */ diff --git a/libavcodec/mpegaudiodec.c b/libavcodec/mpegaudiodec.c index 4460b9e86f..a5097eb2e1 100644 --- a/libavcodec/mpegaudiodec.c +++ b/libavcodec/mpegaudiodec.c @@ -132,6 +132,7 @@ typedef struct HuffTable { const uint16_t *codes; } HuffTable; +#include "mpegaudiodata.h" #include "mpegaudiodectab.h" static void compute_antialias_integer(MPADecodeContext *s, GranuleDef *g); diff --git a/libavcodec/mpegaudiodectab.h b/libavcodec/mpegaudiodectab.h index fdd1096fc7..de0ad50ace 100644 --- a/libavcodec/mpegaudiodectab.h +++ b/libavcodec/mpegaudiodectab.h @@ -24,203 +24,6 @@ * mpeg audio layer decoder tables. */ -const uint16_t mpa_bitrate_tab[2][3][15] = { - { {0, 32, 64, 96, 128, 160, 192, 224, 256, 288, 320, 352, 384, 416, 448 }, - {0, 32, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320, 384 }, - {0, 32, 40, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320 } }, - { {0, 32, 48, 56, 64, 80, 96, 112, 128, 144, 160, 176, 192, 224, 256}, - {0, 8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128, 144, 160}, - {0, 8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128, 144, 160} - } -}; - -const uint16_t mpa_freq_tab[3] = { 44100, 48000, 32000 }; - -/*******************************************************/ -/* half mpeg encoding window (full precision) */ -const int32_t mpa_enwindow[257] = { - 0, -1, -1, -1, -1, -1, -1, -2, - -2, -2, -2, -3, -3, -4, -4, -5, - -5, -6, -7, -7, -8, -9, -10, -11, - -13, -14, -16, -17, -19, -21, -24, -26, - -29, -31, -35, -38, -41, -45, -49, -53, - -58, -63, -68, -73, -79, -85, -91, -97, - -104, -111, -117, -125, -132, -139, -147, -154, - -161, -169, -176, -183, -190, -196, -202, -208, - 213, 218, 222, 225, 227, 228, 228, 227, - 224, 221, 215, 208, 200, 189, 177, 163, - 146, 127, 106, 83, 57, 29, -2, -36, - -72, -111, -153, -197, -244, -294, -347, -401, - -459, -519, -581, -645, -711, -779, -848, -919, - -991, -1064, -1137, -1210, -1283, -1356, -1428, -1498, - -1567, -1634, -1698, -1759, -1817, -1870, -1919, -1962, - -2001, -2032, -2057, -2075, -2085, -2087, -2080, -2063, - 2037, 2000, 1952, 1893, 1822, 1739, 1644, 1535, - 1414, 1280, 1131, 970, 794, 605, 402, 185, - -45, -288, -545, -814, -1095, -1388, -1692, -2006, - -2330, -2663, -3004, -3351, -3705, -4063, -4425, -4788, - -5153, -5517, -5879, -6237, -6589, -6935, -7271, -7597, - -7910, -8209, -8491, -8755, -8998, -9219, -9416, -9585, - -9727, -9838, -9916, -9959, -9966, -9935, -9863, -9750, - -9592, -9389, -9139, -8840, -8492, -8092, -7640, -7134, - 6574, 5959, 5288, 4561, 3776, 2935, 2037, 1082, - 70, -998, -2122, -3300, -4533, -5818, -7154, -8540, - -9975,-11455,-12980,-14548,-16155,-17799,-19478,-21189, --22929,-24694,-26482,-28289,-30112,-31947,-33791,-35640, --37489,-39336,-41176,-43006,-44821,-46617,-48390,-50137, --51853,-53534,-55178,-56778,-58333,-59838,-61289,-62684, --64019,-65290,-66494,-67629,-68692,-69679,-70590,-71420, --72169,-72835,-73415,-73908,-74313,-74630,-74856,-74992, - 75038, -}; - -/*******************************************************/ -/* layer 2 tables */ - -const int sblimit_table[5] = { 27 , 30 , 8, 12 , 30 }; - -const int quant_steps[17] = { - 3, 5, 7, 9, 15, - 31, 63, 127, 255, 511, - 1023, 2047, 4095, 8191, 16383, - 32767, 65535 -}; - -/* we use a negative value if grouped */ -const int quant_bits[17] = { - -5, -7, 3, -10, 4, - 5, 6, 7, 8, 9, - 10, 11, 12, 13, 14, - 15, 16 -}; - -/* encoding tables which give the quantization index. Note how it is - possible to store them efficiently ! */ -static const unsigned char alloc_table_0[] = { - 4, 0, 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, - 4, 0, 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, - 4, 0, 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, - 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, - 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, - 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, - 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, - 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, - 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, - 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, - 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, - 3, 0, 1, 2, 3, 4, 5, 16, - 3, 0, 1, 2, 3, 4, 5, 16, - 3, 0, 1, 2, 3, 4, 5, 16, - 3, 0, 1, 2, 3, 4, 5, 16, - 3, 0, 1, 2, 3, 4, 5, 16, - 3, 0, 1, 2, 3, 4, 5, 16, - 3, 0, 1, 2, 3, 4, 5, 16, - 3, 0, 1, 2, 3, 4, 5, 16, - 3, 0, 1, 2, 3, 4, 5, 16, - 3, 0, 1, 2, 3, 4, 5, 16, - 3, 0, 1, 2, 3, 4, 5, 16, - 3, 0, 1, 2, 3, 4, 5, 16, - 2, 0, 1, 16, - 2, 0, 1, 16, - 2, 0, 1, 16, - 2, 0, 1, 16, -}; - -static const unsigned char alloc_table_1[] = { - 4, 0, 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, - 4, 0, 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, - 4, 0, 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, - 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, - 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, - 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, - 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, - 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, - 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, - 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, - 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, - 3, 0, 1, 2, 3, 4, 5, 16, - 3, 0, 1, 2, 3, 4, 5, 16, - 3, 0, 1, 2, 3, 4, 5, 16, - 3, 0, 1, 2, 3, 4, 5, 16, - 3, 0, 1, 2, 3, 4, 5, 16, - 3, 0, 1, 2, 3, 4, 5, 16, - 3, 0, 1, 2, 3, 4, 5, 16, - 3, 0, 1, 2, 3, 4, 5, 16, - 3, 0, 1, 2, 3, 4, 5, 16, - 3, 0, 1, 2, 3, 4, 5, 16, - 3, 0, 1, 2, 3, 4, 5, 16, - 3, 0, 1, 2, 3, 4, 5, 16, - 2, 0, 1, 16, - 2, 0, 1, 16, - 2, 0, 1, 16, - 2, 0, 1, 16, - 2, 0, 1, 16, - 2, 0, 1, 16, - 2, 0, 1, 16, -}; - -static const unsigned char alloc_table_2[] = { - 4, 0, 1, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, - 4, 0, 1, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, - 3, 0, 1, 3, 4, 5, 6, 7, - 3, 0, 1, 3, 4, 5, 6, 7, - 3, 0, 1, 3, 4, 5, 6, 7, - 3, 0, 1, 3, 4, 5, 6, 7, - 3, 0, 1, 3, 4, 5, 6, 7, - 3, 0, 1, 3, 4, 5, 6, 7, -}; - -static const unsigned char alloc_table_3[] = { - 4, 0, 1, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, - 4, 0, 1, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, - 3, 0, 1, 3, 4, 5, 6, 7, - 3, 0, 1, 3, 4, 5, 6, 7, - 3, 0, 1, 3, 4, 5, 6, 7, - 3, 0, 1, 3, 4, 5, 6, 7, - 3, 0, 1, 3, 4, 5, 6, 7, - 3, 0, 1, 3, 4, 5, 6, 7, - 3, 0, 1, 3, 4, 5, 6, 7, - 3, 0, 1, 3, 4, 5, 6, 7, - 3, 0, 1, 3, 4, 5, 6, 7, - 3, 0, 1, 3, 4, 5, 6, 7, -}; - -static const unsigned char alloc_table_4[] = { - 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, - 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, - 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, - 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, - 3, 0, 1, 3, 4, 5, 6, 7, - 3, 0, 1, 3, 4, 5, 6, 7, - 3, 0, 1, 3, 4, 5, 6, 7, - 3, 0, 1, 3, 4, 5, 6, 7, - 3, 0, 1, 3, 4, 5, 6, 7, - 3, 0, 1, 3, 4, 5, 6, 7, - 3, 0, 1, 3, 4, 5, 6, 7, - 2, 0, 1, 3, - 2, 0, 1, 3, - 2, 0, 1, 3, - 2, 0, 1, 3, - 2, 0, 1, 3, - 2, 0, 1, 3, - 2, 0, 1, 3, - 2, 0, 1, 3, - 2, 0, 1, 3, - 2, 0, 1, 3, - 2, 0, 1, 3, - 2, 0, 1, 3, - 2, 0, 1, 3, - 2, 0, 1, 3, - 2, 0, 1, 3, - 2, 0, 1, 3, - 2, 0, 1, 3, - 2, 0, 1, 3, - 2, 0, 1, 3, -}; - -const unsigned char *alloc_tables[5] = -{ alloc_table_0, alloc_table_1, alloc_table_2, alloc_table_3, alloc_table_4, }; - /*******************************************************/ /* layer 3 tables */ |