move ac3 tables from a .h to a .c

Originally committed as revision 8816 to svn://svn.ffmpeg.org/ffmpeg/trunk

5 files changed, 284 insertions, 250 deletions

diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 0f7de84bab..f886d28d95 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 eeb60d78f8..e55f7d86a2 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 770103a45a..3a14a3b383 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 0000000000..097483db11
--- /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 b549c5ba9f..5709edb50e 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 */