Remove internal liba52 copy.

Nowadays FFmpeg is faster than liba52 and external liba52 is well supported.


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@31147 b3059339-0415-0410-9bf9-f77b7e298cf2

21 files changed, 0 insertions, 9957 deletions

diff --git a/liba52/a52.h b/liba52/a52.h
deleted file mode 100644
index 3547ad1d36..0000000000
--- a/liba52/a52.h
+++ /dev/null
@@ -1,74 +0,0 @@
-/*
- * a52.h
- * Copyright (C) 2000-2002 Michel Lespinasse <walken@zoy.org>
- * Copyright (C) 1999-2000 Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
- *
- * This file is part of a52dec, a free ATSC A-52 stream decoder.
- * See http://liba52.sourceforge.net/ for updates.
- *
- * Modified for use with MPlayer, changes contained in liba52_changes.diff.
- * detailed changelog at http://svn.mplayerhq.hu/mplayer/trunk/
- * $Id$
- *
- * a52dec is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * a52dec 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-
-#ifndef A52_H
-#define A52_H
-
-#include <stdint.h>
-#include "mm_accel.h"
-
-#ifndef LIBA52_DOUBLE
-typedef float sample_t;
-#else
-typedef double sample_t;
-#endif
-
-typedef struct a52_state_s a52_state_t;
-
-#define A52_CHANNEL 0
-#define A52_MONO 1
-#define A52_STEREO 2
-#define A52_3F 3
-#define A52_2F1R 4
-#define A52_3F1R 5
-#define A52_2F2R 6
-#define A52_3F2R 7
-#define A52_CHANNEL1 8
-#define A52_CHANNEL2 9
-#define A52_DOLBY 10
-#define A52_CHANNEL_MASK 15
-
-#define A52_LFE 16
-#define A52_ADJUST_LEVEL 32
-
-a52_state_t * a52_init (uint32_t mm_accel);
-sample_t * a52_samples (a52_state_t * state);
-int a52_syncinfo (uint8_t * buf, int * flags,
-		  int * sample_rate, int * bit_rate);
-int a52_frame (a52_state_t * state, uint8_t * buf, int * flags,
-	       sample_t * level, sample_t bias);
-void a52_dynrng (a52_state_t * state,
-		 sample_t (* call) (sample_t, void *), void * data);
-int a52_block (a52_state_t * state);
-void a52_free (a52_state_t * state);
-
-void* a52_resample_init(uint32_t mm_accel,int flags,int chans);
-extern int (* a52_resample) (float * _f, int16_t * s16);
-
-uint16_t crc16_block(uint8_t *data,uint32_t num_bytes);
-
-#endif /* A52_H */
diff --git a/liba52/a52_internal.h b/liba52/a52_internal.h
deleted file mode 100644
index 1f6d205931..0000000000
--- a/liba52/a52_internal.h
+++ /dev/null
@@ -1,140 +0,0 @@
-/*
- * a52_internal.h
- * Copyright (C) 2000-2002 Michel Lespinasse <walken@zoy.org>
- * Copyright (C) 1999-2000 Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
- *
- * This file is part of a52dec, a free ATSC A-52 stream decoder.
- * See http://liba52.sourceforge.net/ for updates.
- *
- * Modified for use with MPlayer, changes contained in liba52_changes.diff.
- * detailed changelog at http://svn.mplayerhq.hu/mplayer/trunk/
- * $Id$
- *
- * a52dec is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * a52dec 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-
-typedef struct {
-    uint8_t bai;		/* fine SNR offset, fast gain */
-    uint8_t deltbae;		/* delta bit allocation exists */
-    int8_t deltba[50];		/* per-band delta bit allocation */
-} ba_t;
-
-typedef struct {
-    uint8_t exp[256];		/* decoded channel exponents */
-    int8_t bap[256];		/* derived channel bit allocation */
-} expbap_t;
-
-struct a52_state_s {
-    uint8_t fscod;		/* sample rate */
-    uint8_t halfrate;		/* halfrate factor */
-    uint8_t acmod;		/* coded channels */
-    uint8_t lfeon;		/* coded lfe channel */
-    sample_t clev;		/* centre channel mix level */
-    sample_t slev;		/* surround channels mix level */
-
-    int output;			/* type of output */
-    sample_t level;		/* output level */
-    sample_t bias;		/* output bias */
-
-    int dynrnge;		/* apply dynamic range */
-    sample_t dynrng;		/* dynamic range */
-    void * dynrngdata;		/* dynamic range callback funtion and data */
-    sample_t (* dynrngcall) (sample_t range, void * dynrngdata);
-
-    uint8_t chincpl;		/* channel coupled */
-    uint8_t phsflginu;		/* phase flags in use (stereo only) */
-    uint8_t cplstrtmant;	/* coupling channel start mantissa */
-    uint8_t cplendmant;		/* coupling channel end mantissa */
-    uint32_t cplbndstrc;	/* coupling band structure */
-    sample_t cplco[5][18];	/* coupling coordinates */
-
-    /* derived information */
-    uint8_t cplstrtbnd;		/* coupling start band (for bit allocation) */
-    uint8_t ncplbnd;		/* number of coupling bands */
-
-    uint8_t rematflg;		/* stereo rematrixing */
-
-    uint8_t endmant[5];		/* channel end mantissa */
-
-    uint16_t bai;		/* bit allocation information */
-
-    uint32_t * buffer_start;
-    uint16_t lfsr_state;	/* dither state */
-    uint32_t bits_left;
-    uint32_t current_word;
-
-    uint8_t csnroffst;		/* coarse SNR offset */
-    ba_t cplba;			/* coupling bit allocation parameters */
-    ba_t ba[5];			/* channel bit allocation parameters */
-    ba_t lfeba;			/* lfe bit allocation parameters */
-
-    uint8_t cplfleak;		/* coupling fast leak init */
-    uint8_t cplsleak;		/* coupling slow leak init */
-
-    expbap_t cpl_expbap;
-    expbap_t fbw_expbap[5];
-    expbap_t lfe_expbap;
-
-    sample_t * samples;
-    int downmixed;
-};
-
-#define LEVEL_PLUS6DB 2.0
-#define LEVEL_PLUS3DB 1.4142135623730951
-#define LEVEL_3DB 0.7071067811865476
-#define LEVEL_45DB 0.5946035575013605
-#define LEVEL_6DB 0.5
-
-#define EXP_REUSE (0)
-#define EXP_D15   (1)
-#define EXP_D25   (2)
-#define EXP_D45   (3)
-
-#define DELTA_BIT_REUSE (0)
-#define DELTA_BIT_NEW (1)
-#define DELTA_BIT_NONE (2)
-#define DELTA_BIT_RESERVED (3)
-
-#if ARCH_X86_64
-# define REG_a "rax"
-# define REG_d "rdx"
-# define REG_S "rsi"
-# define REG_D "rdi"
-# define REG_BP "rbp"
-#else
-# define REG_a "eax"
-# define REG_d "edx"
-# define REG_S "esi"
-# define REG_D "edi"
-# define REG_BP "ebp"
-#endif
-
-void a52_bit_allocate (a52_state_t * state, ba_t * ba, int bndstart,
-		       int start, int end, int fastleak, int slowleak,
-		       expbap_t * expbap);
-
-int a52_downmix_init (int input, int flags, sample_t * level,
-		      sample_t clev, sample_t slev);
-void downmix_accel_init(uint32_t mm_accel);
-int a52_downmix_coeff (sample_t * coeff, int acmod, int output, sample_t level,
-		       sample_t clev, sample_t slev);
-extern void (*a52_downmix) (sample_t * samples, int acmod, int output, sample_t bias,
-		  sample_t clev, sample_t slev);
-extern void (*a52_upmix) (sample_t * samples, int acmod, int output);
-
-void a52_imdct_init (uint32_t mm_accel);
-void a52_imdct_256 (sample_t * data, sample_t * delay, sample_t bias);
-extern void (*a52_imdct_512) (sample_t * data, sample_t * delay, sample_t bias);
-void imdct_do_512 (sample_t * data, sample_t * delay, sample_t bias);
diff --git a/liba52/bit_allocate.c b/liba52/bit_allocate.c
deleted file mode 100644
index 0567b22852..0000000000
--- a/liba52/bit_allocate.c
+++ /dev/null
@@ -1,265 +0,0 @@
-/*
- * bit_allocate.c
- * Copyright (C) 2000-2002 Michel Lespinasse <walken@zoy.org>
- * Copyright (C) 1999-2000 Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
- *
- * This file is part of a52dec, a free ATSC A-52 stream decoder.
- * See http://liba52.sourceforge.net/ for updates.
- *
- * a52dec is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * a52dec 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-
-#include "config.h"
-
-#include <inttypes.h>
-
-#include "a52.h"
-#include "a52_internal.h"
-
-static int hthtab[3][50] = {
-    {0x730, 0x730, 0x7c0, 0x800, 0x820, 0x840, 0x850, 0x850, 0x860, 0x860,
-     0x860, 0x860, 0x860, 0x870, 0x870, 0x870, 0x880, 0x880, 0x890, 0x890,
-     0x8a0, 0x8a0, 0x8b0, 0x8b0, 0x8c0, 0x8c0, 0x8d0, 0x8e0, 0x8f0, 0x900,
-     0x910, 0x910, 0x910, 0x910, 0x900, 0x8f0, 0x8c0, 0x870, 0x820, 0x7e0,
-     0x7a0, 0x770, 0x760, 0x7a0, 0x7c0, 0x7c0, 0x6e0, 0x400, 0x3c0, 0x3c0},
-    {0x710, 0x710, 0x7a0, 0x7f0, 0x820, 0x830, 0x840, 0x850, 0x850, 0x860,
-     0x860, 0x860, 0x860, 0x860, 0x870, 0x870, 0x870, 0x880, 0x880, 0x880,
-     0x890, 0x890, 0x8a0, 0x8a0, 0x8b0, 0x8b0, 0x8c0, 0x8c0, 0x8e0, 0x8f0,
-     0x900, 0x910, 0x910, 0x910, 0x910, 0x900, 0x8e0, 0x8b0, 0x870, 0x820,
-     0x7e0, 0x7b0, 0x760, 0x770, 0x7a0, 0x7c0, 0x780, 0x5d0, 0x3c0, 0x3c0},
-    {0x680, 0x680, 0x750, 0x7b0, 0x7e0, 0x810, 0x820, 0x830, 0x840, 0x850,
-     0x850, 0x850, 0x860, 0x860, 0x860, 0x860, 0x860, 0x860, 0x860, 0x860,
-     0x870, 0x870, 0x870, 0x870, 0x880, 0x880, 0x880, 0x890, 0x8a0, 0x8b0,
-     0x8c0, 0x8d0, 0x8e0, 0x8f0, 0x900, 0x910, 0x910, 0x910, 0x900, 0x8f0,
-     0x8d0, 0x8b0, 0x840, 0x7f0, 0x790, 0x760, 0x7a0, 0x7c0, 0x7b0, 0x720}
-};
-
-static int8_t baptab[305] = {
-    16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
-    16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
-    16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
-    16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
-    16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
-    16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,	/* 93 padding elems */
-
-    16, 16, 16, 16, 16, 16, 16, 16, 16, 14, 14, 14, 14, 14, 14, 14,
-    14, 12, 12, 12, 12, 11, 11, 11, 11, 10, 10, 10, 10,  9,  9,  9,
-     9,  8,  8,  8,  8,  7,  7,  7,  7,  6,  6,  6,  6,  5,  5,  5,
-     5,  4,  4, -3, -3,  3,  3,  3, -2, -2, -1, -1, -1, -1, -1,  0,
-
-     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-     0,  0,  0,  0					/* 148 padding elems */
-};
-
-static int bndtab[30] = {21, 22,  23,  24,  25,  26,  27,  28,  31,  34,
-			 37, 40,  43,  46,  49,  55,  61,  67,  73,  79,
-			 85, 97, 109, 121, 133, 157, 181, 205, 229, 253};
-
-static int8_t latab[256] = {
-    -64, -63, -62, -61, -60, -59, -58, -57, -56, -55, -54, -53,
-    -52, -52, -51, -50, -49, -48, -47, -47, -46, -45, -44, -44,
-    -43, -42, -41, -41, -40, -39, -38, -38, -37, -36, -36, -35,
-    -35, -34, -33, -33, -32, -32, -31, -30, -30, -29, -29, -28,
-    -28, -27, -27, -26, -26, -25, -25, -24, -24, -23, -23, -22,
-    -22, -21, -21, -21, -20, -20, -19, -19, -19, -18, -18, -18,
-    -17, -17, -17, -16, -16, -16, -15, -15, -15, -14, -14, -14,
-    -13, -13, -13, -13, -12, -12, -12, -12, -11, -11, -11, -11,
-    -10, -10, -10, -10, -10,  -9,  -9,  -9,  -9,  -9,  -8,  -8,
-     -8,  -8,  -8,  -8,  -7,  -7,  -7,  -7,  -7,  -7,  -6,  -6,
-     -6,  -6,  -6,  -6,  -6,  -6,  -5,  -5,  -5,  -5,  -5,  -5,
-     -5,  -5,  -4,  -4,  -4,  -4,  -4,  -4,  -4,  -4,  -4,  -4,
-     -4,  -3,  -3,  -3,  -3,  -3,  -3,  -3,  -3,  -3,  -3,  -3,
-     -3,  -3,  -3,  -2,  -2,  -2,  -2,  -2,  -2,  -2,  -2,  -2,
-     -2,  -2,  -2,  -2,  -2,  -2,  -2,  -2,  -2,  -2,  -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,  -1,  -1,  -1,  -1,   0,   0,   0,   0,   0,   0,
-      0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
-      0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
-      0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
-      0,   0,   0,   0
-};
-
-#define UPDATE_LEAK() 		\
-do {				\
-    fastleak += fdecay;		\
-    if (fastleak > psd + fgain)	\
-	fastleak = psd + fgain;	\
-    slowleak += sdecay;		\
-    if (slowleak > psd + sgain)	\
-	slowleak = psd + sgain;	\
-} while (0)
-
-#define COMPUTE_MASK()				\
-do {						\
-    if (psd > dbknee)				\
-	mask -= (psd - dbknee) >> 2;		\
-    if (mask > hth [i >> halfrate])		\
-	mask = hth [i >> halfrate];		\
-    mask -= snroffset + 128 * deltba[i];	\
-    mask = (mask > 0) ? 0 : ((-mask) >> 5);	\
-    mask -= floor;				\
-} while (0)
-
-void a52_bit_allocate (a52_state_t * state, ba_t * ba, int bndstart,
-		       int start, int end, int fastleak, int slowleak,
-		       expbap_t * expbap)
-{
-    static int slowgain[4] = {0x540, 0x4d8, 0x478, 0x410};
-    static int dbpbtab[4]  = {0xc00, 0x500, 0x300, 0x100};
-    static int floortab[8] = {0x910, 0x950, 0x990, 0x9d0,
-			      0xa10, 0xa90, 0xb10, 0x1400};
-
-    int i, j;
-    uint8_t * exp;
-    int8_t * bap;
-    int fdecay, fgain, sdecay, sgain, dbknee, floor, snroffset;
-    int psd, mask;
-    int8_t * deltba;
-    int * hth;
-    int halfrate;
-
-    halfrate = state->halfrate;
-    fdecay = (63 + 20 * ((state->bai >> 7) & 3)) >> halfrate;	/* fdcycod */
-    fgain = 128 + 128 * (ba->bai & 7);				/* fgaincod */
-    sdecay = (15 + 2 * (state->bai >> 9)) >> halfrate;		/* sdcycod */
-    sgain = slowgain[(state->bai >> 5) & 3];			/* sgaincod */
-    dbknee = dbpbtab[(state->bai >> 3) & 3];			/* dbpbcod */
-    hth = hthtab[state->fscod];
-    /*
-     * if there is no delta bit allocation, make deltba point to an area
-     * known to contain zeroes. baptab+156 here.
-     */
-    deltba = (ba->deltbae == DELTA_BIT_NONE) ? baptab + 156 : ba->deltba;
-    floor = floortab[state->bai & 7];				/* floorcod */
-    snroffset = 960 - 64 * state->csnroffst - 4 * (ba->bai >> 3) + floor;
-    floor >>= 5;
-
-    exp = expbap->exp;
-    bap = expbap->bap;
-
-    i = bndstart;
-    j = start;
-    if (start == 0) {	/* not the coupling channel */
-	int lowcomp;
-
-	lowcomp = 0;
-	j = end - 1;
-	do {
-	    if (i < j) {
-		if (exp[i+1] == exp[i] - 2)
-		    lowcomp = 384;
-		else if (lowcomp && (exp[i+1] > exp[i]))
-		    lowcomp -= 64;
-	    }
-	    psd = 128 * exp[i];
-	    mask = psd + fgain + lowcomp;
-	    COMPUTE_MASK ();
-	    bap[i] = (baptab+156)[mask + 4 * exp[i]];
-	    i++;
-	} while ((i < 3) || ((i < 7) && (exp[i] > exp[i-1])));
-	fastleak = psd + fgain;
-	slowleak = psd + sgain;
-
-	while (i < 7) {
-	    if (i < j) {
-		if (exp[i+1] == exp[i] - 2)
-		    lowcomp = 384;
-		else if (lowcomp && (exp[i+1] > exp[i]))
-		    lowcomp -= 64;
-	    }
-	    psd = 128 * exp[i];
-	    UPDATE_LEAK ();
-	    mask = ((fastleak + lowcomp < slowleak) ?
-		    fastleak + lowcomp : slowleak);
-	    COMPUTE_MASK ();
-	    bap[i] = (baptab+156)[mask + 4 * exp[i]];
-	    i++;
-	}
-
-	if (end == 7)	/* lfe channel */
-	    return;
-
-	do {
-	    if (exp[i+1] == exp[i] - 2)
-		lowcomp = 320;
-	    else if (lowcomp && (exp[i+1] > exp[i]))
-		lowcomp -= 64;
-	    psd = 128 * exp[i];
-	    UPDATE_LEAK ();
-	    mask = ((fastleak + lowcomp < slowleak) ?
-		    fastleak + lowcomp : slowleak);
-	    COMPUTE_MASK ();
-	    bap[i] = (baptab+156)[mask + 4 * exp[i]];
-	    i++;
-	} while (i < 20);
-
-	while (lowcomp > 128) {		/* two iterations maximum */
-	    lowcomp -= 128;
-	    psd = 128 * exp[i];
-	    UPDATE_LEAK ();
-	    mask = ((fastleak + lowcomp < slowleak) ?
-		    fastleak + lowcomp : slowleak);
-	    COMPUTE_MASK ();
-	    bap[i] = (baptab+156)[mask + 4 * exp[i]];
-	    i++;
-	}
-	j = i;
-    }
-
-    do {
-	int startband, endband;
-
-	startband = j;
-	endband = ((bndtab-20)[i] < end) ? (bndtab-20)[i] : end;
-	psd = 128 * exp[j++];
-	while (j < endband) {
-	    int next, delta;
-
-	    next = 128 * exp[j++];
-	    delta = next - psd;
-	    switch (delta >> 9) {
-	    case -6: case -5: case -4: case -3: case -2:
-		psd = next;
-		break;
-	    case -1:
-		psd = next + latab[(-delta) >> 1];
-		break;
-	    case 0:
-		psd += latab[delta >> 1];
-		break;
-	    }
-	}
-	/* minpsd = -289 */
-	UPDATE_LEAK ();
-	mask = (fastleak < slowleak) ? fastleak : slowleak;
-	COMPUTE_MASK ();
-	i++;
-	j = startband;
-	do {
-	    /* max(mask+4*exp)=147=-(minpsd+fgain-deltba-snroffset)>>5+4*exp */
-	    /* min(mask+4*exp)=-156=-(sgain-deltba-snroffset)>>5 */
-	    bap[j] = (baptab+156)[mask + 4 * exp[j]];
-	} while (++j < endband);
-    } while (j < end);
-}
diff --git a/liba52/bitstream.c b/liba52/bitstream.c
deleted file mode 100644
index 7307527194..0000000000
--- a/liba52/bitstream.c
+++ /dev/null
@@ -1,106 +0,0 @@
-/*
- * bitstream.c
- * Copyright (C) 2000-2002 Michel Lespinasse <walken@zoy.org>
- * Copyright (C) 1999-2000 Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
- *
- * This file is part of a52dec, a free ATSC A-52 stream decoder.
- * See http://liba52.sourceforge.net/ for updates.
- *
- * Modified for use with MPlayer, changes contained in liba52_changes.diff.
- * detailed changelog at http://svn.mplayerhq.hu/mplayer/trunk/
- * $Id$
- *
- * a52dec is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * a52dec 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-
-#include "config.h"
-
-#include <inttypes.h>
-
-#include "a52.h"
-#include "a52_internal.h"
-#include "bitstream.h"
-
-#define BUFFER_SIZE 4096
-
-#ifdef ALT_BITSTREAM_READER
-int indx=0;
-#endif
-
-void a52_bitstream_set_ptr (a52_state_t * state, uint8_t * buf)
-{
-    int align;
-
-    align = (long)buf & 3;
-    state->buffer_start = (uint32_t *) (buf - align);
-    state->bits_left = 0;
-#ifdef ALT_BITSTREAM_READER
-    indx=0;
-#endif
-    bitstream_get (state, align * 8);
-}
-
-static inline void bitstream_fill_current (a52_state_t * state)
-{
-    uint32_t tmp;
-
-    tmp = *(state->buffer_start++);
-    state->current_word = swab32 (tmp);
-}
-
-/*
- * The fast paths for _get is in the
- * bitstream.h header file so it can be inlined.
- *
- * The "bottom half" of this routine is suffixed _bh
- *
- * -ah
- */
-
-uint32_t a52_bitstream_get_bh (a52_state_t * state, uint32_t num_bits)
-{
-    uint32_t result;
-
-    num_bits -= state->bits_left;
-    result = ((state->current_word << (32 - state->bits_left)) >>
-	      (32 - state->bits_left));
-
-    bitstream_fill_current (state);
-
-    if (num_bits != 0)
-	result = (result << num_bits) | (state->current_word >> (32 - num_bits));
-
-    state->bits_left = 32 - num_bits;
-
-    return result;
-}
-
-int32_t a52_bitstream_get_bh_2 (a52_state_t * state, uint32_t num_bits)
-{
-    int32_t result;
-
-    num_bits -= state->bits_left;
-    result = ((((int32_t)state->current_word) << (32 - state->bits_left)) >>
-	      (32 - state->bits_left));
-
-    bitstream_fill_current(state);
-
-    if (num_bits != 0)
-	result = (result << num_bits) | (state->current_word >> (32 - num_bits));
-
-    state->bits_left = 32 - num_bits;
-
-    return result;
-}
diff --git a/liba52/bitstream.h b/liba52/bitstream.h
deleted file mode 100644
index 76f5556ea9..0000000000
--- a/liba52/bitstream.h
+++ /dev/null
@@ -1,152 +0,0 @@
-/*
- * bitstream.h
- * Copyright (C) 2000-2002 Michel Lespinasse <walken@zoy.org>
- * Copyright (C) 1999-2000 Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
- *
- * This file is part of a52dec, a free ATSC A-52 stream decoder.
- * See http://liba52.sourceforge.net/ for updates.
- *
- * Modified for use with MPlayer, changes contained in liba52_changes.diff.
- * detailed changelog at http://svn.mplayerhq.hu/mplayer/trunk/
- * $Id$
- *
- * a52dec is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * a52dec 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-
-/* code from ffmpeg/libavcodec */
-#if defined(__sparc__) || defined(hpux)
-/*
- * the alt bitstream reader performs unaligned memory accesses; that doesn't work
- * on sparc/hpux.  For now, disable ALT_BITSTREAM_READER.
- */
-#undef	ALT_BITSTREAM_READER
-#else
-// alternative (faster) bitstram reader (reades upto 3 bytes over the end of the input)
-#define ALT_BITSTREAM_READER
-
-/* used to avoid misaligned exceptions on some archs (alpha, ...) */
-#if ARCH_X86 || HAVE_ARMV6
-#    define unaligned32(a) (*(uint32_t*)(a))
-#else
-#    ifdef __GNUC__
-static inline uint32_t unaligned32(const void *v) {
-    struct Unaligned {
-	uint32_t i;
-    } __attribute__((packed));
-
-    return ((const struct Unaligned *) v)->i;
-}
-#    elif defined(__DECC)
-static inline uint32_t unaligned32(const void *v) {
-    return *(const __unaligned uint32_t *) v;
-}
-#    else
-static inline uint32_t unaligned32(const void *v) {
-    return *(const uint32_t *) v;
-}
-#    endif
-#endif //!ARCH_X86
-
-#endif
-
-/* (stolen from the kernel) */
-#if HAVE_BIGENDIAN
-
-#	define swab32(x) (x)
-
-#else
-
-#	if defined (__i386__)
-
-#	define swab32(x) __i386_swab32(x)
-	static inline const uint32_t __i386_swab32(uint32_t x)
-	{
-		__asm__("bswap %0" : "=r" (x) : "0" (x));
-		return x;
-	}
-
-#	else
-
-#	define swab32(x) __generic_swab32(x)
-	static inline const uint32_t __generic_swab32(uint32_t x)
-	{
-		return ((((uint8_t*)&x)[0] << 24) | (((uint8_t*)&x)[1] << 16) |
-		 (((uint8_t*)&x)[2] << 8)  | (((uint8_t*)&x)[3]));
-	}
-#	endif
-#endif
-
-#ifdef ALT_BITSTREAM_READER
-extern int indx;
-#endif
-
-void a52_bitstream_set_ptr (a52_state_t * state, uint8_t * buf);
-uint32_t a52_bitstream_get_bh (a52_state_t * state, uint32_t num_bits);
-int32_t a52_bitstream_get_bh_2 (a52_state_t * state, uint32_t num_bits);
-
-static inline uint32_t bitstream_get (a52_state_t * state, uint32_t num_bits)
-{
-#ifdef ALT_BITSTREAM_READER
-    uint32_t result= swab32( unaligned32(((uint8_t *)state->buffer_start)+(indx>>3)) );
-
-    result<<= (indx&0x07);
-    result>>= 32 - num_bits;
-    indx+= num_bits;
-
-    return result;
-#else
-    uint32_t result;
-
-    if (num_bits < state->bits_left) {
-	result = (state->current_word << (32 - state->bits_left)) >> (32 - num_bits);
-	state->bits_left -= num_bits;
-	return result;
-    }
-
-    return a52_bitstream_get_bh (state, num_bits);
-#endif
-}
-
-static inline void bitstream_skip(a52_state_t * state, int num_bits)
-{
-#ifdef ALT_BITSTREAM_READER
-	indx+= num_bits;
-#else
-	bitstream_get(state, num_bits);
-#endif
-}
-
-static inline int32_t bitstream_get_2 (a52_state_t * state, uint32_t num_bits)
-{
-#ifdef ALT_BITSTREAM_READER
-    int32_t result= swab32( unaligned32(((uint8_t *)state->buffer_start)+(indx>>3)) );
-
-    result<<= (indx&0x07);
-    result>>= 32 - num_bits;
-    indx+= num_bits;
-
-    return result;
-#else
-    int32_t result;
-
-    if (num_bits < state->bits_left) {
-	result = (((int32_t)state->current_word) << (32 - state->bits_left)) >> (32 - num_bits);
-	state->bits_left -= num_bits;
-	return result;
-    }
-
-    return a52_bitstream_get_bh_2 (state, num_bits);
-#endif
-}
diff --git a/liba52/crc.c b/liba52/crc.c
deleted file mode 100644
index aa0a19c005..0000000000
--- a/liba52/crc.c
+++ /dev/null
@@ -1,73 +0,0 @@
-/*
- *    crc.c
- *
- *	Copyright (C) Aaron Holtzman - May 1999
- *
- *  This file is part of ac3dec, a free Dolby AC-3 stream decoder.
- *
- *  ac3dec is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2, or (at your option)
- *  any later version.
- *
- *  ac3dec 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 General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with GNU Make; see the file COPYING.  If not, write to
- *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <inttypes.h>
-
-static const uint16_t crc_lut[256] =
-{
-	0x0000,0x8005,0x800f,0x000a,0x801b,0x001e,0x0014,0x8011,
-	0x8033,0x0036,0x003c,0x8039,0x0028,0x802d,0x8027,0x0022,
-	0x8063,0x0066,0x006c,0x8069,0x0078,0x807d,0x8077,0x0072,
-	0x0050,0x8055,0x805f,0x005a,0x804b,0x004e,0x0044,0x8041,
-	0x80c3,0x00c6,0x00cc,0x80c9,0x00d8,0x80dd,0x80d7,0x00d2,
-	0x00f0,0x80f5,0x80ff,0x00fa,0x80eb,0x00ee,0x00e4,0x80e1,
-	0x00a0,0x80a5,0x80af,0x00aa,0x80bb,0x00be,0x00b4,0x80b1,
-	0x8093,0x0096,0x009c,0x8099,0x0088,0x808d,0x8087,0x0082,
-	0x8183,0x0186,0x018c,0x8189,0x0198,0x819d,0x8197,0x0192,
-	0x01b0,0x81b5,0x81bf,0x01ba,0x81ab,0x01ae,0x01a4,0x81a1,
-	0x01e0,0x81e5,0x81ef,0x01ea,0x81fb,0x01fe,0x01f4,0x81f1,
-	0x81d3,0x01d6,0x01dc,0x81d9,0x01c8,0x81cd,0x81c7,0x01c2,
-	0x0140,0x8145,0x814f,0x014a,0x815b,0x015e,0x0154,0x8151,
-	0x8173,0x0176,0x017c,0x8179,0x0168,0x816d,0x8167,0x0162,
-	0x8123,0x0126,0x012c,0x8129,0x0138,0x813d,0x8137,0x0132,
-	0x0110,0x8115,0x811f,0x011a,0x810b,0x010e,0x0104,0x8101,
-	0x8303,0x0306,0x030c,0x8309,0x0318,0x831d,0x8317,0x0312,
-	0x0330,0x8335,0x833f,0x033a,0x832b,0x032e,0x0324,0x8321,
-	0x0360,0x8365,0x836f,0x036a,0x837b,0x037e,0x0374,0x8371,
-	0x8353,0x0356,0x035c,0x8359,0x0348,0x834d,0x8347,0x0342,
-	0x03c0,0x83c5,0x83cf,0x03ca,0x83db,0x03de,0x03d4,0x83d1,
-	0x83f3,0x03f6,0x03fc,0x83f9,0x03e8,0x83ed,0x83e7,0x03e2,
-	0x83a3,0x03a6,0x03ac,0x83a9,0x03b8,0x83bd,0x83b7,0x03b2,
-	0x0390,0x8395,0x839f,0x039a,0x838b,0x038e,0x0384,0x8381,
-	0x0280,0x8285,0x828f,0x028a,0x829b,0x029e,0x0294,0x8291,
-	0x82b3,0x02b6,0x02bc,0x82b9,0x02a8,0x82ad,0x82a7,0x02a2,
-	0x82e3,0x02e6,0x02ec,0x82e9,0x02f8,0x82fd,0x82f7,0x02f2,
-	0x02d0,0x82d5,0x82df,0x02da,0x82cb,0x02ce,0x02c4,0x82c1,
-	0x8243,0x0246,0x024c,0x8249,0x0258,0x825d,0x8257,0x0252,
-	0x0270,0x8275,0x827f,0x027a,0x826b,0x026e,0x0264,0x8261,
-	0x0220,0x8225,0x822f,0x022a,0x823b,0x023e,0x0234,0x8231,
-	0x8213,0x0216,0x021c,0x8219,0x0208,0x820d,0x8207,0x0202
-};
-
-uint16_t crc16_block(uint8_t *data,uint32_t num_bytes)
-{
-	uint32_t i;
-	uint16_t state=0;
-
-	for(i=0;i<num_bytes;i++)
-		state = crc_lut[data[i] ^ (state>>8)] ^ (state<<8);
-
-	return state;
-}
diff --git a/liba52/downmix.c b/liba52/downmix.c
deleted file mode 100644
index 212c87d921..0000000000
--- a/liba52/downmix.c
+++ /dev/null
@@ -1,1788 +0,0 @@
-/*
- * downmix.c
- * Copyright (C) 2000-2002 Michel Lespinasse <walken@zoy.org>
- * Copyright (C) 1999-2000 Aa