diff options
author | Aurelien Jacobs <aurel@gnuage.org> | 2007-04-25 22:12:51 +0000 |
---|---|---|
committer | Aurelien Jacobs <aurel@gnuage.org> | 2007-04-25 22:12:51 +0000 |
commit | 7adb10bedf19e8117b0486177167d86f186f06f9 (patch) | |
tree | 41fe29a30c8da82aea8b53413e9f0ef0826d9010 /libavcodec | |
parent | ad8b8abce401962932442a93d371d684004bf6b0 (diff) | |
download | ffmpeg-streaming-7adb10bedf19e8117b0486177167d86f186f06f9.zip ffmpeg-streaming-7adb10bedf19e8117b0486177167d86f186f06f9.tar.gz |
move ac3 tables from a .h to a .c
Originally committed as revision 8816 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec')
-rw-r--r-- | libavcodec/Makefile | 4 | ||||
-rw-r--r-- | libavcodec/ac3.c | 14 | ||||
-rw-r--r-- | libavcodec/ac3.h | 13 | ||||
-rw-r--r-- | libavcodec/ac3tab.c | 249 | ||||
-rw-r--r-- | libavcodec/ac3tab.h | 254 |
5 files changed, 284 insertions, 250 deletions
diff --git a/libavcodec/Makefile b/libavcodec/Makefile index 0f7de84..f886d28 100644 --- a/libavcodec/Makefile +++ b/libavcodec/Makefile @@ -47,7 +47,7 @@ OBJS= bitstream.o \ HEADERS = avcodec.h opt.h OBJS-$(CONFIG_AASC_DECODER) += aasc.o -OBJS-$(CONFIG_AC3_ENCODER) += ac3enc.o ac3.o +OBJS-$(CONFIG_AC3_ENCODER) += ac3enc.o ac3tab.o ac3.o OBJS-$(CONFIG_ALAC_DECODER) += alac.o OBJS-$(CONFIG_ASV1_DECODER) += asv1.o OBJS-$(CONFIG_ASV1_ENCODER) += asv1.o @@ -273,7 +273,7 @@ OBJS-$(CONFIG_XVID) += xvidff.o xvid_rc.o OBJS-$(CONFIG_AAC_PARSER) += parser.o -OBJS-$(CONFIG_AC3_PARSER) += parser.o ac3.o +OBJS-$(CONFIG_AC3_PARSER) += parser.o ac3tab.o OBJS-$(CONFIG_CAVSVIDEO_PARSER) += cavs.o parser.o OBJS-$(CONFIG_DVBSUB_PARSER) += dvbsubdec.o OBJS-$(CONFIG_DVDSUB_PARSER) += dvdsubdec.o diff --git a/libavcodec/ac3.c b/libavcodec/ac3.c index eeb60d7..e55f7d8 100644 --- a/libavcodec/ac3.c +++ b/libavcodec/ac3.c @@ -26,9 +26,11 @@ #include "avcodec.h" #include "ac3.h" -#include "ac3tab.h" #include "bitstream.h" +static uint8_t bndtab[51]; +static uint8_t masktab[253]; + static inline int calc_lowcomp1(int a, int b0, int b1, int c) { if ((b0 + 256) == b1) { @@ -70,7 +72,7 @@ void ff_ac3_bit_alloc_calc_psd(int8_t *exp, int start, int end, int16_t *psd, for(i=j;i<end1;i++) { /* logadd */ int adr = FFMIN(FFABS(v - psd[j]) >> 1, 255); - v = FFMAX(v, psd[j]) + latab[adr]; + v = FFMAX(v, psd[j]) + ff_ac3_latab[adr]; j++; } bndpsd[k]=v; @@ -147,7 +149,7 @@ void ff_ac3_bit_alloc_calc_mask(AC3BitAllocParameters *s, int16_t *bndpsd, if (tmp > 0) { excite[bin] += tmp >> 2; } - mask[bin] = FFMAX(hth[bin >> s->halfratecod][s->fscod], excite[bin]); + mask[bin] = FFMAX(ff_ac3_hth[bin >> s->halfratecod][s->fscod], excite[bin]); } /* delta bit allocation */ @@ -185,10 +187,10 @@ void ff_ac3_bit_alloc_calc_bap(int16_t *mask, int16_t *psd, int start, int end, j = masktab[start]; do { v = (FFMAX(mask[j] - snroffset - floor, 0) & 0x1FE0) + floor; - end1 = FFMIN(bndtab[j] + bndsz[j], end); + end1 = FFMIN(bndtab[j] + ff_ac3_bndsz[j], end); for (k = i; k < end1; k++) { address = av_clip((psd[i] - v) >> 5, 0, 63); - bap[i] = baptab[address]; + bap[i] = ff_ac3_baptab[address]; i++; } } while (end > bndtab[j++]); @@ -229,7 +231,7 @@ void ac3_common_init(void) l = 0; for(i=0;i<50;i++) { bndtab[i] = l; - v = bndsz[i]; + v = ff_ac3_bndsz[i]; for(j=0;j<v;j++) masktab[k++]=i; l += v; } diff --git a/libavcodec/ac3.h b/libavcodec/ac3.h index 770103a..3a14a3b 100644 --- a/libavcodec/ac3.h +++ b/libavcodec/ac3.h @@ -24,6 +24,8 @@ * Common code between AC3 encoder and decoder. */ +#include "ac3tab.h" + #define AC3_MAX_CODED_FRAME_SIZE 3840 /* in bytes */ #define AC3_MAX_CHANNELS 6 /* including LFE channel */ @@ -77,17 +79,6 @@ typedef struct { /** @} */ } AC3HeaderInfo; -extern const uint16_t ff_ac3_frame_sizes[38][3]; -extern const uint8_t ff_ac3_channels[8]; -extern const uint16_t ff_ac3_freqs[3]; -extern const uint16_t ff_ac3_bitratetab[19]; -extern const int16_t ff_ac3_window[256]; -extern const uint8_t ff_sdecaytab[4]; -extern const uint8_t ff_fdecaytab[4]; -extern const uint16_t ff_sgaintab[4]; -extern const uint16_t ff_dbkneetab[4]; -extern const int16_t ff_floortab[8]; -extern const uint16_t ff_fgaintab[8]; void ac3_common_init(void); diff --git a/libavcodec/ac3tab.c b/libavcodec/ac3tab.c new file mode 100644 index 0000000..097483d --- /dev/null +++ b/libavcodec/ac3tab.c @@ -0,0 +1,249 @@ +/* + * AC3 tables + * copyright (c) 2001 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 ac3tab.c + * tables taken directly from AC3 spec. + */ + +#include "ac3tab.h" + +/** + * Possible frame sizes. + * from ATSC A/52 Table 5.18 Frame Size Code Table. + */ +const uint16_t ff_ac3_frame_sizes[38][3] = { + { 64, 69, 96 }, + { 64, 70, 96 }, + { 80, 87, 120 }, + { 80, 88, 120 }, + { 96, 104, 144 }, + { 96, 105, 144 }, + { 112, 121, 168 }, + { 112, 122, 168 }, + { 128, 139, 192 }, + { 128, 140, 192 }, + { 160, 174, 240 }, + { 160, 175, 240 }, + { 192, 208, 288 }, + { 192, 209, 288 }, + { 224, 243, 336 }, + { 224, 244, 336 }, + { 256, 278, 384 }, + { 256, 279, 384 }, + { 320, 348, 480 }, + { 320, 349, 480 }, + { 384, 417, 576 }, + { 384, 418, 576 }, + { 448, 487, 672 }, + { 448, 488, 672 }, + { 512, 557, 768 }, + { 512, 558, 768 }, + { 640, 696, 960 }, + { 640, 697, 960 }, + { 768, 835, 1152 }, + { 768, 836, 1152 }, + { 896, 975, 1344 }, + { 896, 976, 1344 }, + { 1024, 1114, 1536 }, + { 1024, 1115, 1536 }, + { 1152, 1253, 1728 }, + { 1152, 1254, 1728 }, + { 1280, 1393, 1920 }, + { 1280, 1394, 1920 }, +}; + +/** + * Maps audio coding mode (acmod) to number of full-bandwidth channels. + * from ATSC A/52 Table 5.8 Audio Coding Mode + */ +const uint8_t ff_ac3_channels[8] = { + 2, 1, 2, 3, 3, 4, 4, 5 +}; + +/* possible frequencies */ +const uint16_t ff_ac3_freqs[3] = { 48000, 44100, 32000 }; + +/* possible bitrates */ +const uint16_t ff_ac3_bitratetab[19] = { + 32, 40, 48, 56, 64, 80, 96, 112, 128, + 160, 192, 224, 256, 320, 384, 448, 512, 576, 640 +}; + +/* AC3 MDCT window */ + +/* MDCT window */ +const int16_t ff_ac3_window[256] = { + 4, 7, 12, 16, 21, 28, 34, 42, + 51, 61, 72, 84, 97, 111, 127, 145, + 164, 184, 207, 231, 257, 285, 315, 347, + 382, 419, 458, 500, 544, 591, 641, 694, + 750, 810, 872, 937, 1007, 1079, 1155, 1235, + 1318, 1406, 1497, 1593, 1692, 1796, 1903, 2016, + 2132, 2253, 2379, 2509, 2644, 2783, 2927, 3076, + 3230, 3389, 3552, 3721, 3894, 4072, 4255, 4444, + 4637, 4835, 5038, 5246, 5459, 5677, 5899, 6127, + 6359, 6596, 6837, 7083, 7334, 7589, 7848, 8112, + 8380, 8652, 8927, 9207, 9491, 9778,10069,10363, +10660,10960,11264,11570,11879,12190,12504,12820, +13138,13458,13780,14103,14427,14753,15079,15407, +15735,16063,16392,16720,17049,17377,17705,18032, +18358,18683,19007,19330,19651,19970,20287,20602, +20914,21225,21532,21837,22139,22438,22733,23025, +23314,23599,23880,24157,24430,24699,24964,25225, +25481,25732,25979,26221,26459,26691,26919,27142, +27359,27572,27780,27983,28180,28373,28560,28742, +28919,29091,29258,29420,29577,29729,29876,30018, +30155,30288,30415,30538,30657,30771,30880,30985, +31086,31182,31274,31363,31447,31528,31605,31678, +31747,31814,31877,31936,31993,32046,32097,32145, +32190,32232,32272,32310,32345,32378,32409,32438, +32465,32490,32513,32535,32556,32574,32592,32608, +32623,32636,32649,32661,32671,32681,32690,32698, +32705,32712,32718,32724,32729,32733,32737,32741, +32744,32747,32750,32752,32754,32756,32757,32759, +32760,32761,32762,32763,32764,32764,32765,32765, +32766,32766,32766,32766,32767,32767,32767,32767, +32767,32767,32767,32767,32767,32767,32767,32767, +32767,32767,32767,32767,32767,32767,32767,32767, +}; + +const uint8_t ff_ac3_latab[260]= { +0x0040,0x003f,0x003e,0x003d,0x003c,0x003b,0x003a,0x0039,0x0038,0x0037, +0x0036,0x0035,0x0034,0x0034,0x0033,0x0032,0x0031,0x0030,0x002f,0x002f, +0x002e,0x002d,0x002c,0x002c,0x002b,0x002a,0x0029,0x0029,0x0028,0x0027, +0x0026,0x0026,0x0025,0x0024,0x0024,0x0023,0x0023,0x0022,0x0021,0x0021, +0x0020,0x0020,0x001f,0x001e,0x001e,0x001d,0x001d,0x001c,0x001c,0x001b, +0x001b,0x001a,0x001a,0x0019,0x0019,0x0018,0x0018,0x0017,0x0017,0x0016, +0x0016,0x0015,0x0015,0x0015,0x0014,0x0014,0x0013,0x0013,0x0013,0x0012, +0x0012,0x0012,0x0011,0x0011,0x0011,0x0010,0x0010,0x0010,0x000f,0x000f, +0x000f,0x000e,0x000e,0x000e,0x000d,0x000d,0x000d,0x000d,0x000c,0x000c, +0x000c,0x000c,0x000b,0x000b,0x000b,0x000b,0x000a,0x000a,0x000a,0x000a, +0x000a,0x0009,0x0009,0x0009,0x0009,0x0009,0x0008,0x0008,0x0008,0x0008, +0x0008,0x0008,0x0007,0x0007,0x0007,0x0007,0x0007,0x0007,0x0006,0x0006, +0x0006,0x0006,0x0006,0x0006,0x0006,0x0006,0x0005,0x0005,0x0005,0x0005, +0x0005,0x0005,0x0005,0x0005,0x0004,0x0004,0x0004,0x0004,0x0004,0x0004, +0x0004,0x0004,0x0004,0x0004,0x0004,0x0003,0x0003,0x0003,0x0003,0x0003, +0x0003,0x0003,0x0003,0x0003,0x0003,0x0003,0x0003,0x0003,0x0003,0x0002, +0x0002,0x0002,0x0002,0x0002,0x0002,0x0002,0x0002,0x0002,0x0002,0x0002, +0x0002,0x0002,0x0002,0x0002,0x0002,0x0002,0x0002,0x0002,0x0001,0x0001, +0x0001,0x0001,0x0001,0x0001,0x0001,0x0001,0x0001,0x0001,0x0001,0x0001, +0x0001,0x0001,0x0001,0x0001,0x0001,0x0001,0x0001,0x0001,0x0001,0x0001, +0x0001,0x0001,0x0001,0x0001,0x0001,0x0001,0x0001,0x0001,0x0001,0x0001, +0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000, +0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000, +0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000, +0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000, +0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000, +}; + +const uint16_t ff_ac3_hth[50][3]= { +{ 0x04d0,0x04f0,0x0580 }, +{ 0x04d0,0x04f0,0x0580 }, +{ 0x0440,0x0460,0x04b0 }, +{ 0x0400,0x0410,0x0450 }, +{ 0x03e0,0x03e0,0x0420 }, +{ 0x03c0,0x03d0,0x03f0 }, +{ 0x03b0,0x03c0,0x03e0 }, +{ 0x03b0,0x03b0,0x03d0 }, +{ 0x03a0,0x03b0,0x03c0 }, +{ 0x03a0,0x03a0,0x03b0 }, +{ 0x03a0,0x03a0,0x03b0 }, +{ 0x03a0,0x03a0,0x03b0 }, +{ 0x03a0,0x03a0,0x03a0 }, +{ 0x0390,0x03a0,0x03a0 }, +{ 0x0390,0x0390,0x03a0 }, +{ 0x0390,0x0390,0x03a0 }, +{ 0x0380,0x0390,0x03a0 }, +{ 0x0380,0x0380,0x03a0 }, +{ 0x0370,0x0380,0x03a0 }, +{ 0x0370,0x0380,0x03a0 }, +{ 0x0360,0x0370,0x0390 }, +{ 0x0360,0x0370,0x0390 }, +{ 0x0350,0x0360,0x0390 }, +{ 0x0350,0x0360,0x0390 }, +{ 0x0340,0x0350,0x0380 }, +{ 0x0340,0x0350,0x0380 }, +{ 0x0330,0x0340,0x0380 }, +{ 0x0320,0x0340,0x0370 }, +{ 0x0310,0x0320,0x0360 }, +{ 0x0300,0x0310,0x0350 }, +{ 0x02f0,0x0300,0x0340 }, +{ 0x02f0,0x02f0,0x0330 }, +{ 0x02f0,0x02f0,0x0320 }, +{ 0x02f0,0x02f0,0x0310 }, +{ 0x0300,0x02f0,0x0300 }, +{ 0x0310,0x0300,0x02f0 }, +{ 0x0340,0x0320,0x02f0 }, +{ 0x0390,0x0350,0x02f0 }, +{ 0x03e0,0x0390,0x0300 }, +{ 0x0420,0x03e0,0x0310 }, +{ 0x0460,0x0420,0x0330 }, +{ 0x0490,0x0450,0x0350 }, +{ 0x04a0,0x04a0,0x03c0 }, +{ 0x0460,0x0490,0x0410 }, +{ 0x0440,0x0460,0x0470 }, +{ 0x0440,0x0440,0x04a0 }, +{ 0x0520,0x0480,0x0460 }, +{ 0x0800,0x0630,0x0440 }, +{ 0x0840,0x0840,0x0450 }, +{ 0x0840,0x0840,0x04e0 }, +}; + +const uint8_t ff_ac3_baptab[64]= { + 0, 1, 1, 1, 1, 1, 2, 2, 3, 3, + 3, 4, 4, 5, 5, 6, 6, 6, 6, 7, + 7, 7, 7, 8, 8, 8, 8, 9, 9, 9, + 9, 10, 10, 10, 10, 11, 11, 11, 11, 12, + 12, 12, 12, 13, 13, 13, 13, 14, 14, 14, + 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, + 15, 15, 15, 15, +}; + +const uint8_t ff_sdecaytab[4]={ + 0x0f, 0x11, 0x13, 0x15, +}; + +const uint8_t ff_fdecaytab[4]={ + 0x3f, 0x53, 0x67, 0x7b, +}; + +const uint16_t ff_sgaintab[4]= { + 0x540, 0x4d8, 0x478, 0x410, +}; + +const uint16_t ff_dbkneetab[4]= { + 0x000, 0x700, 0x900, 0xb00, +}; + +const int16_t ff_floortab[8]= { + 0x2f0, 0x2b0, 0x270, 0x230, 0x1f0, 0x170, 0x0f0, 0xf800, +}; + +const uint16_t ff_fgaintab[8]= { + 0x080, 0x100, 0x180, 0x200, 0x280, 0x300, 0x380, 0x400, +}; + +const uint8_t ff_ac3_bndsz[50]={ + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 3, 3, 3, 3, + 3, 6, 6, 6, 6, 6, 6, 12, 12, 12, 12, 24, 24, 24, 24, 24 +}; diff --git a/libavcodec/ac3tab.h b/libavcodec/ac3tab.h index b549c5b..5709edb 100644 --- a/libavcodec/ac3tab.h +++ b/libavcodec/ac3tab.h @@ -1,6 +1,6 @@ /* * AC3 tables - * copyright (c) 2001 Fabrice Bellard + * Copyright (c) 2000, 2001, 2002 Fabrice Bellard. * * This file is part of FFmpeg. * @@ -19,233 +19,25 @@ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ -/** - * @file ac3tab.h - * tables taken directly from AC3 spec. - */ - -/** - * Possible frame sizes. - * from ATSC A/52 Table 5.18 Frame Size Code Table. - */ -const uint16_t ff_ac3_frame_sizes[38][3] = { - { 64, 69, 96 }, - { 64, 70, 96 }, - { 80, 87, 120 }, - { 80, 88, 120 }, - { 96, 104, 144 }, - { 96, 105, 144 }, - { 112, 121, 168 }, - { 112, 122, 168 }, - { 128, 139, 192 }, - { 128, 140, 192 }, - { 160, 174, 240 }, - { 160, 175, 240 }, - { 192, 208, 288 }, - { 192, 209, 288 }, - { 224, 243, 336 }, - { 224, 244, 336 }, - { 256, 278, 384 }, - { 256, 279, 384 }, - { 320, 348, 480 }, - { 320, 349, 480 }, - { 384, 417, 576 }, - { 384, 418, 576 }, - { 448, 487, 672 }, - { 448, 488, 672 }, - { 512, 557, 768 }, - { 512, 558, 768 }, - { 640, 696, 960 }, - { 640, 697, 960 }, - { 768, 835, 1152 }, - { 768, 836, 1152 }, - { 896, 975, 1344 }, - { 896, 976, 1344 }, - { 1024, 1114, 1536 }, - { 1024, 1115, 1536 }, - { 1152, 1253, 1728 }, - { 1152, 1254, 1728 }, - { 1280, 1393, 1920 }, - { 1280, 1394, 1920 }, -}; - -/** - * Maps audio coding mode (acmod) to number of full-bandwidth channels. - * from ATSC A/52 Table 5.8 Audio Coding Mode - */ -const uint8_t ff_ac3_channels[8] = { - 2, 1, 2, 3, 3, 4, 4, 5 -}; - -/* possible frequencies */ -const uint16_t ff_ac3_freqs[3] = { 48000, 44100, 32000 }; - -/* possible bitrates */ -const uint16_t ff_ac3_bitratetab[19] = { - 32, 40, 48, 56, 64, 80, 96, 112, 128, - 160, 192, 224, 256, 320, 384, 448, 512, 576, 640 -}; - -/* AC3 MDCT window */ - -/* MDCT window */ -const int16_t ff_ac3_window[256] = { - 4, 7, 12, 16, 21, 28, 34, 42, - 51, 61, 72, 84, 97, 111, 127, 145, - 164, 184, 207, 231, 257, 285, 315, 347, - 382, 419, 458, 500, 544, 591, 641, 694, - 750, 810, 872, 937, 1007, 1079, 1155, 1235, - 1318, 1406, 1497, 1593, 1692, 1796, 1903, 2016, - 2132, 2253, 2379, 2509, 2644, 2783, 2927, 3076, - 3230, 3389, 3552, 3721, 3894, 4072, 4255, 4444, - 4637, 4835, 5038, 5246, 5459, 5677, 5899, 6127, - 6359, 6596, 6837, 7083, 7334, 7589, 7848, 8112, - 8380, 8652, 8927, 9207, 9491, 9778,10069,10363, -10660,10960,11264,11570,11879,12190,12504,12820, -13138,13458,13780,14103,14427,14753,15079,15407, -15735,16063,16392,16720,17049,17377,17705,18032, -18358,18683,19007,19330,19651,19970,20287,20602, -20914,21225,21532,21837,22139,22438,22733,23025, -23314,23599,23880,24157,24430,24699,24964,25225, -25481,25732,25979,26221,26459,26691,26919,27142, -27359,27572,27780,27983,28180,28373,28560,28742, -28919,29091,29258,29420,29577,29729,29876,30018, -30155,30288,30415,30538,30657,30771,30880,30985, -31086,31182,31274,31363,31447,31528,31605,31678, -31747,31814,31877,31936,31993,32046,32097,32145, -32190,32232,32272,32310,32345,32378,32409,32438, -32465,32490,32513,32535,32556,32574,32592,32608, -32623,32636,32649,32661,32671,32681,32690,32698, -32705,32712,32718,32724,32729,32733,32737,32741, -32744,32747,32750,32752,32754,32756,32757,32759, -32760,32761,32762,32763,32764,32764,32765,32765, -32766,32766,32766,32766,32767,32767,32767,32767, -32767,32767,32767,32767,32767,32767,32767,32767, -32767,32767,32767,32767,32767,32767,32767,32767, -}; - -static uint8_t masktab[253]; - -static const uint8_t latab[260]= { -0x0040,0x003f,0x003e,0x003d,0x003c,0x003b,0x003a,0x0039,0x0038,0x0037, -0x0036,0x0035,0x0034,0x0034,0x0033,0x0032,0x0031,0x0030,0x002f,0x002f, -0x002e,0x002d,0x002c,0x002c,0x002b,0x002a,0x0029,0x0029,0x0028,0x0027, -0x0026,0x0026,0x0025,0x0024,0x0024,0x0023,0x0023,0x0022,0x0021,0x0021, -0x0020,0x0020,0x001f,0x001e,0x001e,0x001d,0x001d,0x001c,0x001c,0x001b, -0x001b,0x001a,0x001a,0x0019,0x0019,0x0018,0x0018,0x0017,0x0017,0x0016, -0x0016,0x0015,0x0015,0x0015,0x0014,0x0014,0x0013,0x0013,0x0013,0x0012, -0x0012,0x0012,0x0011,0x0011,0x0011,0x0010,0x0010,0x0010,0x000f,0x000f, -0x000f,0x000e,0x000e,0x000e,0x000d,0x000d,0x000d,0x000d,0x000c,0x000c, -0x000c,0x000c,0x000b,0x000b,0x000b,0x000b,0x000a,0x000a,0x000a,0x000a, -0x000a,0x0009,0x0009,0x0009,0x0009,0x0009,0x0008,0x0008,0x0008,0x0008, -0x0008,0x0008,0x0007,0x0007,0x0007,0x0007,0x0007,0x0007,0x0006,0x0006, -0x0006,0x0006,0x0006,0x0006,0x0006,0x0006,0x0005,0x0005,0x0005,0x0005, -0x0005,0x0005,0x0005,0x0005,0x0004,0x0004,0x0004,0x0004,0x0004,0x0004, -0x0004,0x0004,0x0004,0x0004,0x0004,0x0003,0x0003,0x0003,0x0003,0x0003, -0x0003,0x0003,0x0003,0x0003,0x0003,0x0003,0x0003,0x0003,0x0003,0x0002, -0x0002,0x0002,0x0002,0x0002,0x0002,0x0002,0x0002,0x0002,0x0002,0x0002, -0x0002,0x0002,0x0002,0x0002,0x0002,0x0002,0x0002,0x0002,0x0001,0x0001, -0x0001,0x0001,0x0001,0x0001,0x0001,0x0001,0x0001,0x0001,0x0001,0x0001, -0x0001,0x0001,0x0001,0x0001,0x0001,0x0001,0x0001,0x0001,0x0001,0x0001, -0x0001,0x0001,0x0001,0x0001,0x0001,0x0001,0x0001,0x0001,0x0001,0x0001, -0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000, -0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000, -0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000, -0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000, -0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000, -}; - -static const uint16_t hth[50][3]= { -{ 0x04d0,0x04f0,0x0580 }, -{ 0x04d0,0x04f0,0x0580 }, -{ 0x0440,0x0460,0x04b0 }, -{ 0x0400,0x0410,0x0450 }, -{ 0x03e0,0x03e0,0x0420 }, -{ 0x03c0,0x03d0,0x03f0 }, -{ 0x03b0,0x03c0,0x03e0 }, -{ 0x03b0,0x03b0,0x03d0 }, -{ 0x03a0,0x03b0,0x03c0 }, -{ 0x03a0,0x03a0,0x03b0 }, -{ 0x03a0,0x03a0,0x03b0 }, -{ 0x03a0,0x03a0,0x03b0 }, -{ 0x03a0,0x03a0,0x03a0 }, -{ 0x0390,0x03a0,0x03a0 }, -{ 0x0390,0x0390,0x03a0 }, -{ 0x0390,0x0390,0x03a0 }, -{ 0x0380,0x0390,0x03a0 }, -{ 0x0380,0x0380,0x03a0 }, -{ 0x0370,0x0380,0x03a0 }, -{ 0x0370,0x0380,0x03a0 }, -{ 0x0360,0x0370,0x0390 }, -{ 0x0360,0x0370,0x0390 }, -{ 0x0350,0x0360,0x0390 }, -{ 0x0350,0x0360,0x0390 }, -{ 0x0340,0x0350,0x0380 }, -{ 0x0340,0x0350,0x0380 }, -{ 0x0330,0x0340,0x0380 }, -{ 0x0320,0x0340,0x0370 }, -{ 0x0310,0x0320,0x0360 }, -{ 0x0300,0x0310,0x0350 }, -{ 0x02f0,0x0300,0x0340 }, -{ 0x02f0,0x02f0,0x0330 }, -{ 0x02f0,0x02f0,0x0320 }, -{ 0x02f0,0x02f0,0x0310 }, -{ 0x0300,0x02f0,0x0300 }, -{ 0x0310,0x0300,0x02f0 }, -{ 0x0340,0x0320,0x02f0 }, -{ 0x0390,0x0350,0x02f0 }, -{ 0x03e0,0x0390,0x0300 }, -{ 0x0420,0x03e0,0x0310 }, -{ 0x0460,0x0420,0x0330 }, -{ 0x0490,0x0450,0x0350 }, -{ 0x04a0,0x04a0,0x03c0 }, -{ 0x0460,0x0490,0x0410 }, -{ 0x0440,0x0460,0x0470 }, -{ 0x0440,0x0440,0x04a0 }, -{ 0x0520,0x0480,0x0460 }, -{ 0x0800,0x0630,0x0440 }, -{ 0x0840,0x0840,0x0450 }, -{ 0x0840,0x0840,0x04e0 }, -}; - -static const uint8_t baptab[64]= { - 0, 1, 1, 1, 1, 1, 2, 2, 3, 3, - 3, 4, 4, 5, 5, 6, 6, 6, 6, 7, - 7, 7, 7, 8, 8, 8, 8, 9, 9, 9, - 9, 10, 10, 10, 10, 11, 11, 11, 11, 12, - 12, 12, 12, 13, 13, 13, 13, 14, 14, 14, - 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, - 15, 15, 15, 15, -}; - -const uint8_t ff_sdecaytab[4]={ - 0x0f, 0x11, 0x13, 0x15, -}; - -const uint8_t ff_fdecaytab[4]={ - 0x3f, 0x53, 0x67, 0x7b, -}; - -const uint16_t ff_sgaintab[4]= { - 0x540, 0x4d8, 0x478, 0x410, -}; - -const uint16_t ff_dbkneetab[4]= { - 0x000, 0x700, 0x900, 0xb00, -}; - -const int16_t ff_floortab[8]= { - 0x2f0, 0x2b0, 0x270, 0x230, 0x1f0, 0x170, 0x0f0, 0xf800, -}; - -const uint16_t ff_fgaintab[8]= { - 0x080, 0x100, 0x180, 0x200, 0x280, 0x300, 0x380, 0x400, -}; - -static const uint8_t bndsz[50]={ - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 3, 3, 3, 3, - 3, 6, 6, 6, 6, 6, 6, 12, 12, 12, 12, 24, 24, 24, 24, 24 -}; - -static uint8_t bndtab[51]; +#ifndef AC3TAB_H +#define AC3TAB_H + +#include "common.h" + +extern const uint16_t ff_ac3_frame_sizes[38][3]; +extern const uint8_t ff_ac3_channels[8]; +extern const uint16_t ff_ac3_freqs[3]; +extern const uint16_t ff_ac3_bitratetab[19]; +extern const int16_t ff_ac3_window[256]; +extern const uint8_t ff_ac3_latab[260]; +extern const uint16_t ff_ac3_hth[50][3]; +extern const uint8_t ff_ac3_baptab[64]; +extern const uint8_t ff_sdecaytab[4]; +extern const uint8_t ff_fdecaytab[4]; +extern const uint16_t ff_sgaintab[4]; +extern const uint16_t ff_dbkneetab[4]; +extern const int16_t ff_floortab[8]; +extern const uint16_t ff_fgaintab[8]; +extern const uint8_t ff_ac3_bndsz[50]; + +#endif /* AC3TAB_H */ |