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-rw-r--r--contrib/ffmpeg/libavcodec/liba52/a52.h73
-rw-r--r--contrib/ffmpeg/libavcodec/liba52/a52_internal.h162
-rw-r--r--contrib/ffmpeg/libavcodec/liba52/a52_util.h32
-rw-r--r--contrib/ffmpeg/libavcodec/liba52/bit_allocate.c260
-rw-r--r--contrib/ffmpeg/libavcodec/liba52/bitstream.c91
-rw-r--r--contrib/ffmpeg/libavcodec/liba52/bitstream.h77
-rw-r--r--contrib/ffmpeg/libavcodec/liba52/crc.c73
-rw-r--r--contrib/ffmpeg/libavcodec/liba52/downmix.c679
-rw-r--r--contrib/ffmpeg/libavcodec/liba52/imdct.c411
-rw-r--r--contrib/ffmpeg/libavcodec/liba52/mm_accel.h42
-rw-r--r--contrib/ffmpeg/libavcodec/liba52/parse.c939
-rw-r--r--contrib/ffmpeg/libavcodec/liba52/resample.c63
-rw-r--r--contrib/ffmpeg/libavcodec/liba52/resample_c.c203
-rw-r--r--contrib/ffmpeg/libavcodec/liba52/resample_mmx.c537
-rw-r--r--contrib/ffmpeg/libavcodec/liba52/tables.h246
15 files changed, 3888 insertions, 0 deletions
diff --git a/contrib/ffmpeg/libavcodec/liba52/a52.h b/contrib/ffmpeg/libavcodec/liba52/a52.h
new file mode 100644
index 000000000..f2ea5f836
--- /dev/null
+++ b/contrib/ffmpeg/libavcodec/liba52/a52.h
@@ -0,0 +1,73 @@
+/*
+ * a52.h
+ * Copyright (C) 2000-2003 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef A52_H
+#define A52_H
+
+#include "../avcodec.h"
+
+#undef malloc
+#undef free
+#undef realloc
+
+#if defined(LIBA52_FIXED)
+typedef int32_t sample_t;
+typedef int32_t level_t;
+#elif defined(LIBA52_DOUBLE)
+typedef double sample_t;
+typedef double level_t;
+#else
+typedef float sample_t;
+typedef float level_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,
+ level_t * level, sample_t bias);
+void a52_dynrng (a52_state_t * state,
+ level_t (* call) (level_t, void *), void * data);
+int a52_block (a52_state_t * state);
+void a52_free (a52_state_t * state);
+
+#endif /* A52_H */
diff --git a/contrib/ffmpeg/libavcodec/liba52/a52_internal.h b/contrib/ffmpeg/libavcodec/liba52/a52_internal.h
new file mode 100644
index 000000000..49fd4ef99
--- /dev/null
+++ b/contrib/ffmpeg/libavcodec/liba52/a52_internal.h
@@ -0,0 +1,162 @@
+/*
+ * a52_internal.h
+ * Copyright (C) 2000-2003 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 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 */
+ level_t clev; /* centre channel mix level */
+ level_t slev; /* surround channels mix level */
+
+ int output; /* type of output */
+ level_t level; /* output level */
+ sample_t bias; /* output bias */
+
+ int dynrnge; /* apply dynamic range */
+ level_t dynrng; /* dynamic range */
+ void * dynrngdata; /* dynamic range callback funtion and data */
+ level_t (* dynrngcall) (level_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 */
+ level_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)
+
+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, level_t * level,
+ level_t clev, level_t slev);
+int a52_downmix_coeff (level_t * coeff, int acmod, int output, level_t level,
+ level_t clev, level_t slev);
+void a52_downmix (sample_t * samples, int acmod, int output, sample_t bias,
+ level_t clev, level_t slev);
+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);
+void a52_imdct_512 (sample_t * data, sample_t * delay, sample_t bias);
+//extern 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);
+
+#define ROUND(x) ((int)((x) + ((x) > 0 ? 0.5 : -0.5)))
+
+#ifndef LIBA52_FIXED
+
+typedef sample_t quantizer_t;
+#define SAMPLE(x) (x)
+#define LEVEL(x) (x)
+#define MUL(a,b) ((a) * (b))
+#define MUL_L(a,b) ((a) * (b))
+#define MUL_C(a,b) ((a) * (b))
+#define DIV(a,b) ((a) / (b))
+#define BIAS(x) ((x) + bias)
+
+#else /* LIBA52_FIXED */
+
+typedef int16_t quantizer_t;
+#define SAMPLE(x) (sample_t)((x) * (1 << 30))
+#define LEVEL(x) (level_t)((x) * (1 << 26))
+
+#if 0
+#define MUL(a,b) ((int)(((int64_t)(a) * (b) + (1 << 29)) >> 30))
+#define MUL_L(a,b) ((int)(((int64_t)(a) * (b) + (1 << 25)) >> 26))
+#elif 1
+#define MUL(a,b) \
+({ int32_t _ta=(a), _tb=(b), _tc; \
+ _tc=(_ta & 0xffff)*(_tb >> 16)+(_ta >> 16)*(_tb & 0xffff); (int32_t)(((_tc >> 14))+ (((_ta >> 16)*(_tb >> 16)) << 2 )); })
+#define MUL_L(a,b) \
+({ int32_t _ta=(a), _tb=(b), _tc; \
+ _tc=(_ta & 0xffff)*(_tb >> 16)+(_ta >> 16)*(_tb & 0xffff); (int32_t)((_tc >> 10) + (((_ta >> 16)*(_tb >> 16)) << 6)); })
+#else
+#define MUL(a,b) (((a) >> 15) * ((b) >> 15))
+#define MUL_L(a,b) (((a) >> 13) * ((b) >> 13))
+#endif
+
+#define MUL_C(a,b) MUL_L (a, LEVEL (b))
+#define DIV(a,b) ((((int64_t)LEVEL (a)) << 26) / (b))
+#define BIAS(x) (x)
+
+#endif
diff --git a/contrib/ffmpeg/libavcodec/liba52/a52_util.h b/contrib/ffmpeg/libavcodec/liba52/a52_util.h
new file mode 100644
index 000000000..8ef2cece9
--- /dev/null
+++ b/contrib/ffmpeg/libavcodec/liba52/a52_util.h
@@ -0,0 +1,32 @@
+/*
+ * a52_util.h
+ * Copyright (C) 2000-2003 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef A52_UTIL_H
+#define A52_UTIL_H
+
+uint16_t a52_crc16_block(uint8_t *data,uint32_t num_bytes);
+
+void* a52_resample_init(uint32_t mm_accel,int flags,int chans);
+extern int (* a52_resample) (float * _f, int16_t * s16);
+
+#endif /* A52_H */
diff --git a/contrib/ffmpeg/libavcodec/liba52/bit_allocate.c b/contrib/ffmpeg/libavcodec/liba52/bit_allocate.c
new file mode 100644
index 000000000..415a08d21
--- /dev/null
+++ b/contrib/ffmpeg/libavcodec/liba52/bit_allocate.c
@@ -0,0 +1,260 @@
+/*
+ * bit_allocate.c
+ * Copyright (C) 2000-2003 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+#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[i-20] < end) ? bndtab[i-20] : 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/contrib/ffmpeg/libavcodec/liba52/bitstream.c b/contrib/ffmpeg/libavcodec/liba52/bitstream.c
new file mode 100644
index 000000000..f6b05c5e6
--- /dev/null
+++ b/contrib/ffmpeg/libavcodec/liba52/bitstream.c
@@ -0,0 +1,91 @@
+/*
+ * bitstream.c
+ * Copyright (C) 2000-2003 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+#include "a52.h"
+#include "a52_internal.h"
+#include "bitstream.h"
+
+#define BUFFER_SIZE 4096
+
+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;
+ state->current_word = 0;
+ 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/contrib/ffmpeg/libavcodec/liba52/bitstream.h b/contrib/ffmpeg/libavcodec/liba52/bitstream.h
new file mode 100644
index 000000000..4a64bf3d9
--- /dev/null
+++ b/contrib/ffmpeg/libavcodec/liba52/bitstream.h
@@ -0,0 +1,77 @@
+/*
+ * bitstream.h
+ * Copyright (C) 2000-2003 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/* (stolen from the kernel) */
+#ifdef WORDS_BIGENDIAN
+
+# define swab32(x) (x)
+
+#else
+
+# if 0 && 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)\
+((((uint8_t*)&x)[0] << 24) | (((uint8_t*)&x)[1] << 16) | \
+ (((uint8_t*)&x)[2] << 8) | (((uint8_t*)&x)[3]))
+
+# endif
+#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)
+{
+ 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);
+}
+
+static inline int32_t bitstream_get_2 (a52_state_t * state, uint32_t num_bits)
+{
+ 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);
+}
diff --git a/contrib/ffmpeg/libavcodec/liba52/crc.c b/contrib/ffmpeg/libavcodec/liba52/crc.c
new file mode 100644
index 000000000..1ec4b085f
--- /dev/null
+++ b/contrib/ffmpeg/libavcodec/liba52/crc.c
@@ -0,0 +1,73 @@
+/*
+ * 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 a52_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/contrib/ffmpeg/libavcodec/liba52/downmix.c b/contrib/ffmpeg/libavcodec/liba52/downmix.c
new file mode 100644
index 000000000..7999b7db0
--- /dev/null
+++ b/contrib/ffmpeg/libavcodec/liba52/downmix.c
@@ -0,0 +1,679 @@
+/*
+ * downmix.c
+ * Copyright (C) 2000-2003 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+#include "a52.h"
+#include "a52_internal.h"
+
+#define CONVERT(acmod,output) (((output) << 3) + (acmod))
+
+int a52_downmix_init (int input, int flags, level_t * level,
+ level_t clev, level_t slev)
+{
+ static uint8_t table[11][8] = {
+ {A52_CHANNEL, A52_DOLBY, A52_STEREO, A52_STEREO,
+ A52_STEREO, A52_STEREO, A52_STEREO, A52_STEREO},
+ {A52_MONO, A52_MONO, A52_MONO, A52_MONO,
+ A52_MONO, A52_MONO, A52_MONO, A52_MONO},
+ {A52_CHANNEL, A52_DOLBY, A52_STEREO, A52_STEREO,
+ A52_STEREO, A52_STEREO, A52_STEREO, A52_STEREO},
+ {A52_CHANNEL, A52_DOLBY, A52_STEREO, A52_3F,
+ A52_STEREO, A52_3F, A52_STEREO, A52_3F},
+ {A52_CHANNEL, A52_DOLBY, A52_STEREO, A52_STEREO,
+ A52_2F1R, A52_2F1R, A52_2F1R, A52_2F1R},
+ {A52_CHANNEL, A52_DOLBY, A52_STEREO, A52_STEREO,
+ A52_2F1R, A52_3F1R, A52_2F1R, A52_3F1R},
+ {A52_CHANNEL, A52_DOLBY, A52_STEREO, A52_3F,
+ A52_2F2R, A52_2F2R, A52_2F2R, A52_2F2R},
+ {A52_CHANNEL, A52_DOLBY, A52_STEREO, A52_3F,
+ A52_2F2R, A52_3F2R, A52_2F2R, A52_3F2R},
+ {A52_CHANNEL1, A52_MONO, A52_MONO, A52_MONO,
+ A52_MONO, A52_MONO, A52_MONO, A52_MONO},
+ {A52_CHANNEL2, A52_MONO, A52_MONO, A52_MONO,
+ A52_MONO, A52_MONO, A52_MONO, A52_MONO},
+ {A52_CHANNEL, A52_DOLBY, A52_STEREO, A52_DOLBY,
+ A52_DOLBY, A52_DOLBY, A52_DOLBY, A52_DOLBY}
+ };
+ int output;
+
+ output = flags & A52_CHANNEL_MASK;
+ if (output > A52_DOLBY)
+ return -1;
+
+ output = table[output][input & 7];
+
+ if (output == A52_STEREO &&
+ (input == A52_DOLBY || (input == A52_3F && clev == LEVEL (LEVEL_3DB))))
+ output = A52_DOLBY;
+
+ if (flags & A52_ADJUST_LEVEL) {
+ level_t adjust;
+
+ switch (CONVERT (input & 7, output)) {
+
+ case CONVERT (A52_3F, A52_MONO):
+ adjust = DIV (LEVEL_3DB, LEVEL (1) + clev);
+ break;
+
+ case CONVERT (A52_STEREO, A52_MONO):
+ case CONVERT (A52_2F2R, A52_2F1R):
+ case CONVERT (A52_3F2R, A52_3F1R):
+ level_3db:
+ adjust = LEVEL (LEVEL_3DB);
+ break;
+
+ case CONVERT (A52_3F2R, A52_2F1R):
+ if (clev < LEVEL (LEVEL_PLUS3DB - 1))
+ goto level_3db;
+ /* break thru */
+ case CONVERT (A52_3F, A52_STEREO):
+ case CONVERT (A52_3F1R, A52_2F1R):
+ case CONVERT (A52_3F1R, A52_2F2R):
+ case CONVERT (A52_3F2R, A52_2F2R):
+ adjust = DIV (1, LEVEL (1) + clev);
+ break;
+
+ case CONVERT (A52_2F1R, A52_MONO):
+ adjust = DIV (LEVEL_PLUS3DB, LEVEL (2) + slev);
+ break;
+
+ case CONVERT (A52_2F1R, A52_STEREO):
+ case CONVERT (A52_3F1R, A52_3F):
+ adjust = DIV (1, LEVEL (1) + MUL_C (slev, LEVEL_3DB));
+ break;
+
+ case CONVERT (A52_3F1R, A52_MONO):
+ adjust = DIV (LEVEL_3DB, LEVEL (1) + clev + MUL_C (slev, 0.5));
+ break;
+
+ case CONVERT (A52_3F1R, A52_STEREO):
+ adjust = DIV (1, LEVEL (1) + clev + MUL_C (slev, LEVEL_3DB));
+ break;
+
+ case CONVERT (A52_2F2R, A52_MONO):
+ adjust = DIV (LEVEL_3DB, LEVEL (1) + slev);
+ break;
+
+ case CONVERT (A52_2F2R, A52_STEREO):
+ case CONVERT (A52_3F2R, A52_3F):
+ adjust = DIV (1, LEVEL (1) + slev);
+ break;
+
+ case CONVERT (A52_3F2R, A52_MONO):
+ adjust = DIV (LEVEL_3DB, LEVEL (1) + clev + slev);
+ break;
+
+ case CONVERT (A52_3F2R, A52_STEREO):
+ adjust = DIV (1, LEVEL (1) + clev + slev);
+ break;
+
+ case CONVERT (A52_MONO, A52_DOLBY):
+ adjust = LEVEL (LEVEL_PLUS3DB);
+ break;
+
+ case CONVERT (A52_3F, A52_DOLBY):
+ case CONVERT (A52_2F1R, A52_DOLBY):
+ adjust = LEVEL (1 / (1 + LEVEL_3DB));
+ break;
+
+ case CONVERT (A52_3F1R, A52_DOLBY):
+ case CONVERT (A52_2F2R, A52_DOLBY):
+ adjust = LEVEL (1 / (1 + 2 * LEVEL_3DB));
+ break;
+
+ case CONVERT (A52_3F2R, A52_DOLBY):
+ adjust = LEVEL (1 / (1 + 3 * LEVEL_3DB));
+ break;
+
+ default:
+ return output;
+ }
+
+ *level = MUL_L (*level, adjust);
+ }
+
+ return output;
+}
+
+int a52_downmix_coeff (level_t * coeff, int acmod, int output, level_t level,
+ level_t clev, level_t slev)
+{
+ level_t level_3db;
+
+ level_3db = MUL_C (level, LEVEL_3DB);
+
+ switch (CONVERT (acmod, output & A52_CHANNEL_MASK)) {
+
+ case CONVERT (A52_CHANNEL, A52_CHANNEL):
+ case CONVERT (A52_MONO, A52_MONO):
+ case CONVERT (A52_STEREO, A52_STEREO):
+ case CONVERT (A52_3F, A52_3F):
+ case CONVERT (A52_2F1R, A52_2F1R):
+ case CONVERT (A52_3F1R, A52_3F1R):
+ case CONVERT (A52_2F2R, A52_2F2R):
+ case CONVERT (A52_3F2R, A52_3F2R):
+ case CONVERT (A52_STEREO, A52_DOLBY):
+ coeff[0] = coeff[1] = coeff[2] = coeff[3] = coeff[4] = level;
+ return 0;
+
+ case CONVERT (A52_CHANNEL, A52_MONO):
+ coeff[0] = coeff[1] = MUL_C (level, LEVEL_6DB);
+ return 3;
+
+ case CONVERT (A52_STEREO, A52_MONO):
+ coeff[0] = coeff[1] = level_3db;
+ return 3;
+
+ case CONVERT (A52_3F, A52_MONO):
+ coeff[0] = coeff[2] = level_3db;
+ coeff[1] = MUL_C (MUL_L (level_3db, clev), LEVEL_PLUS6DB);
+ return 7;
+
+ case CONVERT (A52_2F1R, A52_MONO):
+ coeff[0] = coeff[1] = level_3db;
+ coeff[2] = MUL_L (level_3db, slev);
+ return 7;
+
+ case CONVERT (A52_2F2R, A52_MONO):
+ coeff[0] = coeff[1] = level_3db;
+ coeff[2] = coeff[3] = MUL_L (level_3db, slev);
+ return 15;
+
+ case CONVERT (A52_3F1R, A52_MONO):
+ coeff[0] = coeff[2] = level_3db;
+ coeff[1] = MUL_C (MUL_L (level_3db, clev), LEVEL_PLUS6DB);
+ coeff[3] = MUL_L (level_3db, slev);
+ return 15;
+
+ case CONVERT (A52_3F2R, A52_MONO):
+ coeff[0] = coeff[2] = level_3db;
+ coeff[1] = MUL_C (MUL_L (level_3db, clev), LEVEL_PLUS6DB);
+ coeff[3] = coeff[4] = MUL_L (level_3db, slev);
+ return 31;
+
+ case CONVERT (A52_MONO, A52_DOLBY):
+ coeff[0] = level_3db;
+ return 0;
+
+ case CONVERT (A52_3F, A52_DOLBY):
+ coeff[0] = coeff[2] = coeff[3] = coeff[4] = level;
+ coeff[1] = level_3db;
+ return 7;
+
+ case CONVERT (A52_3F, A52_STEREO):
+ case CONVERT (A52_3F1R, A52_2F1R):
+ case CONVERT (A52_3F2R, A52_2F2R):
+ coeff[0] = coeff[2] = coeff[3] = coeff[4] = level;
+ coeff[1] = MUL_L (level, clev);
+ return 7;
+
+ case CONVERT (A52_2F1R, A52_DOLBY):
+ coeff[0] = coeff[1] = level;
+ coeff[2] = level_3db;
+ return 7;
+
+ case CONVERT (A52_2F1R, A52_STEREO):
+ coeff[0] = coeff[1] = level;
+ coeff[2] = MUL_L (level_3db, slev);
+ return 7;
+
+ case CONVERT (A52_3F1R, A52_DOLBY):
+ coeff[0] = coeff[2] = level;
+ coeff[1] = coeff[3] = level_3db;
+ return 15;
+
+ case CONVERT (A52_3F1R, A52_STEREO):
+ coeff[0] = coeff[2] = level;
+ coeff[1] = MUL_L (level, clev);
+ coeff[3] = MUL_L (level_3db, slev);
+ return 15;
+
+ case CONVERT (A52_2F2R, A52_DOLBY):
+ coeff[0] = coeff[1] = level;
+ coeff[2] = coeff[3] = level_3db;
+ return 15;
+
+ case CONVERT (A52_2F2R, A52_STEREO):
+ coeff[0] = coeff[1] = level;
+ coeff[2] = coeff[3] = MUL_L (level, slev);
+ return 15;
+
+ case CONVERT (A52_3F2R, A52_DOLBY):
+ coeff[0] = coeff[2] = level;
+ coeff[1] = coeff[3] = coeff[4] = level_3db;
+ return 31;
+
+ case CONVERT (A52_3F2R, A52_2F1R):
+ coeff[0] = coeff[2] = level;
+ coeff[1] = MUL_L (level, clev);
+ coeff[3] = coeff[4] = level_3db;
+ return 31;
+
+ case CONVERT (A52_3F2R, A52_STEREO):
+ coeff[0] = coeff[2] = level;
+ coeff[1] = MUL_L (level, clev);
+ coeff[3] = coeff[4] = MUL_L (level, slev);
+ return 31;
+
+ case CONVERT (A52_3F1R, A52_3F):
+ coeff[0] = coeff[1] = coeff[2] = level;
+ coeff[3] = MUL_L (level_3db, slev);
+ return 13;
+
+ case CONVERT (A52_3F2R, A52_3F):
+ coeff[0] = coeff[1] = coeff[2] = level;
+ coeff[3] = coeff[4] = MUL_L (level, slev);
+ return 29;
+
+ case CONVERT (A52_2F2R, A52_2F1R):
+ coeff[0] = coeff[1] = level;
+ coeff[2] = coeff[3] = level_3db;
+ return 12;
+
+ case CONVERT (A52_3F2R, A52_3F1R):
+ coeff[0] = coeff[1] = coeff[2] = level;
+ coeff[3] = coeff[4] = level_3db;
+ return 24;
+
+ case CONVERT (A52_2F1R, A52_2F2R):
+ coeff[0] = coeff[1] = level;
+ coeff[2] = level_3db;
+ return 0;
+
+ case CONVERT (A52_3F1R, A52_2F2R):
+ coeff[0] = coeff[2] = level;
+ coeff[1] = MUL_L (level, clev);
+ coeff[3] = level_3db;
+ return 7;
+
+ case CONVERT (A52_3F1R, A52_3F2R):
+ coeff[0] = coeff[1] = coeff[2] = level;
+ coeff[3] = level_3db;
+ return 0;
+
+ case CONVERT (A52_CHANNEL, A52_CHANNEL1):
+ coeff[0] = level;
+ coeff[1] = 0;
+ return 0;
+
+ case CONVERT (A52_CHANNEL, A52_CHANNEL2):
+ coeff[0] = 0;
+ coeff[1] = level;
+ return 0;
+ }
+
+ return -1; /* NOTREACHED */
+}
+
+static void mix2to1 (sample_t * dest, sample_t * src, sample_t bias)
+{
+ int i;
+
+ for (i = 0; i < 256; i++)
+ dest[i] += BIAS (src[i]);
+}
+
+static void mix3to1 (sample_t * samples, sample_t bias)
+{
+ int i;
+
+ for (i = 0; i < 256; i++)
+ samples[i] += BIAS (samples[i + 256] + samples[i + 512]);
+}
+
+static void mix4to1 (sample_t * samples, sample_t bias)
+{
+ int i;
+
+ for (i = 0; i < 256; i++)
+ samples[i] += BIAS (samples[i + 256] + samples[i + 512] +
+ samples[i + 768]);
+}
+
+static void mix5to1 (sample_t * samples, sample_t bias)
+{
+ int i;
+
+ for (i = 0; i < 256; i++)
+ samples[i] += BIAS (samples[i + 256] + samples[i + 512] +
+ samples[i + 768] + samples[i + 1024]);
+}
+
+static void mix3to2 (sample_t * samples, sample_t bias)
+{
+ int i;
+ sample_t common;
+
+ for (i = 0; i < 256; i++) {
+ common = BIAS (samples[i + 256]);
+ samples[i] += common;
+ samples[i + 256] = samples[i + 512] + common;
+ }
+}
+
+static void mix21to2 (sample_t * left, sample_t * right, sample_t bias)
+{
+ int i;
+ sample_t common;
+
+ for (i = 0; i < 256; i++) {
+ common = BIAS (right[i + 256]);
+ left[i] += common;
+ right[i] += common;
+ }
+}
+
+static void mix21toS (sample_t * samples, sample_t bias)
+{
+ int i;
+ sample_t surround;
+
+ for (i = 0; i < 256; i++) {
+ surround = samples[i + 512];
+ samples[i] += BIAS (-surround);
+ samples[i + 256] += BIAS (surround);
+ }
+}
+
+static void mix31to2 (sample_t * samples, sample_t bias)
+{
+ int i;
+ sample_t common;
+
+ for (i = 0; i < 256; i++) {
+ common = BIAS (samples[i + 256] + samples[i + 768]);
+ samples[i] += common;
+ samples[i + 256] = samples[i + 512] + common;
+ }
+}
+
+static void mix31toS (sample_t * samples, sample_t bias)
+{
+ int i;
+ sample_t common, surround;
+
+ for (i = 0; i < 256; i++) {
+ common = BIAS (samples[i + 256]);
+ surround = samples[i + 768];
+ samples[i] += common - surround;
+ samples[i + 256] = samples[i + 512] + common + surround;
+ }
+}
+
+static void mix22toS (sample_t * samples, sample_t bias)
+{
+ int i;
+ sample_t surround;
+
+ for (i = 0; i < 256; i++) {
+ surround = samples[i + 512] + samples[i + 768];
+ samples[i] += BIAS (-surround);
+ samples[i + 256] += BIAS (surround);
+ }
+}
+
+static void mix32to2 (sample_t * samples, sample_t bias)
+{
+ int i;
+ sample_t common;
+
+ for (i = 0; i < 256; i++) {
+ common = BIAS (samples[i + 256]);
+ samples[i] += common + samples[i + 768];
+ samples[i + 256] = common + samples[i + 512] + samples[i + 1024];
+ }
+}
+
+static void mix32toS (sample_t * samples, sample_t bias)
+{
+ int i;
+ sample_t common, surround;
+
+ for (i = 0; i < 256; i++) {
+ common = BIAS (samples[i + 256]);
+ surround = samples[i + 768] + samples[i + 1024];
+ samples[i] += common - surround;
+ samples[i + 256] = samples[i + 512] + common + surround;
+ }
+}
+
+static void move2to1 (sample_t * src, sample_t * dest, sample_t bias)
+{
+ int i;
+
+ for (i = 0; i < 256; i++)
+ dest[i] = BIAS (src[i] + src[i + 256]);
+}
+
+static void zero (sample_t * samples)
+{
+ int i;
+
+ for (i = 0; i < 256; i++)
+ samples[i] = 0;
+}
+
+void a52_downmix (sample_t * samples, int acmod, int output, sample_t bias,
+ level_t clev, level_t slev)
+{
+ switch (CONVERT (acmod, output & A52_CHANNEL_MASK)) {
+
+ case CONVERT (A52_CHANNEL, A52_CHANNEL2):
+ memcpy (samples, samples + 256, 256 * sizeof (sample_t));
+ break;
+
+ case CONVERT (A52_CHANNEL, A52_MONO):
+ case CONVERT (A52_STEREO, A52_MONO):
+ mix_2to1:
+ mix2to1 (samples, samples + 256, bias);
+ break;
+
+ case CONVERT (A52_2F1R, A52_MONO):
+ if (slev == 0)
+ goto mix_2to1;
+ case CONVERT (A52_3F, A52_MONO):
+ mix_3to1:
+ mix3to1 (samples, bias);
+ break;
+
+ case CONVERT (A52_3F1R, A52_MONO):
+ if (slev == 0)
+ goto mix_3to1;
+ case CONVERT (A52_2F2R, A52_MONO):
+ if (slev == 0)
+ goto mix_2to1;
+ mix4to1 (samples, bias);
+ break;
+
+ case CONVERT (A52_3F2R, A52_MONO):
+ if (slev == 0)
+ goto mix_3to1;
+ mix5to1 (samples, bias);
+ break;
+
+ case CONVERT (A52_MONO, A52_DOLBY):
+ memcpy (samples + 256, samples, 256 * sizeof (sample_t));
+ break;
+
+ case CONVERT (A52_3F, A52_STEREO):
+ case CONVERT (A52_3F, A52_DOLBY):
+ mix_3to2:
+ mix3to2 (samples, bias);
+ break;
+
+ case CONVERT (A52_2F1R, A52_STEREO):
+ if (slev == 0)
+ break;
+ mix21to2 (samples, samples + 256, bias);
+ break;
+
+ case CONVERT (A52_2F1R, A52_DOLBY):
+ mix21toS (samples, bias);
+ break;
+
+ case CONVERT (A52_3F1R, A52_STEREO):
+ if (slev == 0)
+ goto mix_3to2;
+ mix31to2 (samples, bias);
+ break;
+
+ case CONVERT (A52_3F1R, A52_DOLBY):
+ mix31toS (samples, bias);
+ break;
+
+ case CONVERT (A52_2F2R, A52_STEREO):
+ if (slev == 0)
+ break;
+ mix2to1 (samples, samples + 512, bias);
+ mix2to1 (samples + 256, samples + 768, bias);
+ break;
+
+ case CONVERT (A52_2F2R, A52_DOLBY):
+ mix22toS (samples, bias);
+ break;
+
+ case CONVERT (A52_3F2R, A52_STEREO):
+ if (slev == 0)
+ goto mix_3to2;
+ mix32to2 (samples, bias);
+ break;
+
+ case CONVERT (A52_3F2R, A52_DOLBY):
+ mix32toS (samples, bias);
+ break;
+
+ case CONVERT (A52_3F1R, A52_3F):
+ if (slev == 0)
+ break;
+ mix21to2 (samples, samples + 512, bias);
+ break;
+
+ case CONVERT (A52_3F2R, A52_3F):
+ if (slev == 0)
+ break;
+ mix2to1 (samples, samples + 768, bias);
+ mix2to1 (samples + 512, samples + 1024, bias);
+ break;
+
+ case CONVERT (A52_3F1R, A52_2F1R):
+ mix3to2 (samples, bias);
+ memcpy (samples + 512, samples + 768, 256 * sizeof (sample_t));
+ break;
+
+ case CONVERT (A52_2F2R, A52_2F1R):
+ mix2to1 (samples + 512, samples + 768, bias);
+ break;
+
+ case CONVERT (A52_3F2R, A52_2F1R):
+ mix3to2 (samples, bias);
+ move2to1 (samples + 768, samples + 512, bias);
+ break;
+
+ case CONVERT (A52_3F2R, A52_3F1R):
+ mix2to1 (samples + 768, samples + 1024, bias);
+ break;
+
+ case CONVERT (A52_2F1R, A52_2F2R):
+ memcpy (samples + 768, samples + 512, 256 * sizeof (sample_t));
+ break;
+
+ case CONVERT (A52_3F1R, A52_2F2R):
+ mix3to2 (samples, bias);
+ memcpy (samples + 512, samples + 768, 256 * sizeof (sample_t));
+ break;
+
+ case CONVERT (A52_3F2R, A52_2F2R):
+ mix3to2 (samples, bias);
+ memcpy (samples + 512, samples + 768, 256 * sizeof (sample_t));
+ memcpy (samples + 768, samples + 1024, 256 * sizeof (sample_t));
+ break;
+
+ case CONVERT (A52_3F1R, A52_3F2R):
+ memcpy (samples + 1024, samples + 768, 256 * sizeof (sample_t));
+ break;
+ }
+}
+
+void a52_upmix (sample_t * samples, int acmod, int output)
+{
+ switch (CONVERT (acmod, output & A52_CHANNEL_MASK)) {
+
+ case CONVERT (A52_CHANNEL, A52_CHANNEL2):
+ memcpy (samples + 256, samples, 256 * sizeof (sample_t));
+ break;
+
+ case CONVERT (A52_3F2R, A52_MONO):
+ zero (samples + 1024);
+ case CONVERT (A52_3F1R, A52_MONO):
+ case CONVERT (A52_2F2R, A52_MONO):
+ zero (samples + 768);
+ case CONVERT (A52_3F, A52_MONO):
+ case CONVERT (A52_2F1R, A52_MONO):
+ zero (samples + 512);
+ case CONVERT (A52_CHANNEL, A52_MONO):
+ case CONVERT (A52_STEREO, A52_MONO):
+ zero (samples + 256);
+ break;
+
+ case CONVERT (A52_3F2R, A52_STEREO):
+ case CONVERT (A52_3F2R, A52_DOLBY):
+ zero (samples + 1024);
+ case CONVERT (A52_3F1R, A52_STEREO):
+ case CONVERT (A52_3F1R, A52_DOLBY):
+ zero (samples + 768);
+ case CONVERT (A52_3F, A52_STEREO):
+ case CONVERT (A52_3F, A52_DOLBY):
+ mix_3to2:
+ memcpy (samples + 512, samples + 256, 256 * sizeof (sample_t));
+ zero (samples + 256);
+ break;
+
+ case CONVERT (A52_2F2R, A52_STEREO):
+ case CONVERT (A52_2F2R, A52_DOLBY):
+ zero (samples + 768);
+ case CONVERT (A52_2F1R, A52_STEREO):
+ case CONVERT (A52_2F1R, A52_DOLBY):
+ zero (samples + 512);
+ break;
+
+ case CONVERT (A52_3F2R, A52_3F):
+ zero (samples + 1024);
+ case CONVERT (A52_3F1R, A52_3F):
+ case CONVERT (A52_2F2R, A52_2F1R):
+ zero (samples + 768);
+ break;
+
+ case CONVERT (A52_3F2R, A52_3F1R):
+ zero (samples + 1024);
+ break;
+
+ case CONVERT (A52_3F2R, A52_2F1R):
+ zero (samples + 1024);
+ case CONVERT (A52_3F1R, A52_2F1R):
+ mix_31to21:
+ memcpy (samples + 768, samples + 512, 256 * sizeof (sample_t));
+ goto mix_3to2;
+
+ case CONVERT (A52_3F2R, A52_2F2R):
+ memcpy (samples + 1024, samples + 768, 256 * sizeof (sample_t));
+ goto mix_31to21;
+ }
+}
diff --git a/contrib/ffmpeg/libavcodec/liba52/imdct.c b/contrib/ffmpeg/libavcodec/liba52/imdct.c
new file mode 100644
index 000000000..21a2a6565
--- /dev/null
+++ b/contrib/ffmpeg/libavcodec/liba52/imdct.c
@@ -0,0 +1,411 @@
+/*
+ * imdct.c
+ * Copyright (C) 2000-2003 Michel Lespinasse <walken@zoy.org>
+ * Copyright (C) 1999-2000 Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
+ *
+ * The ifft algorithms in this file have been largely inspired by Dan
+ * Bernstein's work, djbfft, available at http://cr.yp.to/djbfft.html
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "a52.h"
+#include "a52_internal.h"
+#include "mm_accel.h"
+
+typedef struct complex_s {
+ sample_t real;
+ sample_t imag;
+} complex_t;
+
+static uint8_t fftorder[] = {
+ 0,128, 64,192, 32,160,224, 96, 16,144, 80,208,240,112, 48,176,
+ 8,136, 72,200, 40,168,232,104,248,120, 56,184, 24,152,216, 88,
+ 4,132, 68,196, 36,164,228,100, 20,148, 84,212,244,116, 52,180,
+ 252,124, 60,188, 28,156,220, 92, 12,140, 76,204,236,108, 44,172,
+ 2,130, 66,194, 34,162,226, 98, 18,146, 82,210,242,114, 50,178,
+ 10,138, 74,202, 42,170,234,106,250,122, 58,186, 26,154,218, 90,
+ 254,126, 62,190, 30,158,222, 94, 14,142, 78,206,238,110, 46,174,
+ 6,134, 70,198, 38,166,230,102,246,118, 54,182, 22,150,214, 86
+};
+
+/* Root values for IFFT */
+static sample_t roots16[3];
+static sample_t roots32[7];
+static sample_t roots64[15];
+static sample_t roots128[31];
+
+/* Twiddle factors for IMDCT */
+static complex_t pre1[128];
+static complex_t post1[64];
+static complex_t pre2[64];
+static complex_t post2[32];
+
+static sample_t a52_imdct_window[256];
+
+static void (* ifft128) (complex_t * buf);
+static void (* ifft64) (complex_t * buf);
+
+static inline void ifft2 (complex_t * buf)
+{
+ sample_t r, i;
+
+ r = buf[0].real;
+ i = buf[0].imag;
+ buf[0].real += buf[1].real;
+ buf[0].imag += buf[1].imag;
+ buf[1].real = r - buf[1].real;
+ buf[1].imag = i - buf[1].imag;
+}
+
+static inline void ifft4 (complex_t * buf)
+{
+ sample_t tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7, tmp8;
+
+ tmp1 = buf[0].real + buf[1].real;
+ tmp2 = buf[3].real + buf[2].real;
+ tmp3 = buf[0].imag + buf[1].imag;
+ tmp4 = buf[2].imag + buf[3].imag;
+ tmp5 = buf[0].real - buf[1].real;
+ tmp6 = buf[0].imag - buf[1].imag;
+ tmp7 = buf[2].imag - buf[3].imag;
+ tmp8 = buf[3].real - buf[2].real;
+
+ buf[0].real = tmp1 + tmp2;
+ buf[0].imag = tmp3 + tmp4;
+ buf[2].real = tmp1 - tmp2;
+ buf[2].imag = tmp3 - tmp4;
+ buf[1].real = tmp5 + tmp7;
+ buf[1].imag = tmp6 + tmp8;
+ buf[3].real = tmp5 - tmp7;
+ buf[3].imag = tmp6 - tmp8;
+}
+
+/* basic radix-2 ifft butterfly */
+
+#define BUTTERFLY_0(t0,t1,W0,W1,d0,d1) do { \
+ t0 = MUL (W1, d1) + MUL (W0, d0); \
+ t1 = MUL (W0, d1) - MUL (W1, d0); \
+} while (0)
+
+/* radix-2 ifft butterfly with bias */
+
+#define BUTTERFLY_B(t0,t1,W0,W1,d0,d1) do { \
+ t0 = BIAS (MUL (d1, W1) + MUL (d0, W0)); \
+ t1 = BIAS (MUL (d1, W0) - MUL (d0, W1)); \
+} while (0)
+
+/* the basic split-radix ifft butterfly */
+
+#define BUTTERFLY(a0,a1,a2,a3,wr,wi) do { \
+ BUTTERFLY_0 (tmp5, tmp6, wr, wi, a2.real, a2.imag); \
+ BUTTERFLY_0 (tmp8, tmp7, wr, wi, a3.imag, a3.real); \
+ tmp1 = tmp5 + tmp7; \
+ tmp2 = tmp6 + tmp8; \
+ tmp3 = tmp6 - tmp8; \
+ tmp4 = tmp7 - tmp5; \
+ a2.real = a0.real - tmp1; \
+ a2.imag = a0.imag - tmp2; \
+ a3.real = a1.real - tmp3; \
+ a3.imag = a1.imag - tmp4; \
+ a0.real += tmp1; \
+ a0.imag += tmp2; \
+ a1.real += tmp3; \
+ a1.imag += tmp4; \
+} while (0)
+
+/* split-radix ifft butterfly, specialized for wr=1 wi=0 */
+
+#define BUTTERFLY_ZERO(a0,a1,a2,a3) do { \
+ tmp1 = a2.real + a3.real; \
+ tmp2 = a2.imag + a3.imag; \
+ tmp3 = a2.imag - a3.imag; \
+ tmp4 = a3.real - a2.real; \
+ a2.real = a0.real - tmp1; \
+ a2.imag = a0.imag - tmp2; \
+ a3.real = a1.real - tmp3; \
+ a3.imag = a1.imag - tmp4; \
+ a0.real += tmp1; \
+ a0.imag += tmp2; \
+ a1.real += tmp3; \
+ a1.imag += tmp4; \
+} while (0)
+
+/* split-radix ifft butterfly, specialized for wr=wi */
+
+#define BUTTERFLY_HALF(a0,a1,a2,a3,w) do { \
+ tmp5 = MUL (a2.real + a2.imag, w); \
+ tmp6 = MUL (a2.imag - a2.real, w); \
+ tmp7 = MUL (a3.real - a3.imag, w); \
+ tmp8 = MUL (a3.imag + a3.real, w); \
+ tmp1 = tmp5 + tmp7; \
+ tmp2 = tmp6 + tmp8; \
+ tmp3 = tmp6 - tmp8; \
+ tmp4 = tmp7 - tmp5; \
+ a2.real = a0.real - tmp1; \
+ a2.imag = a0.imag - tmp2; \
+ a3.real = a1.real - tmp3; \
+ a3.imag = a1.imag - tmp4; \
+ a0.real += tmp1; \
+ a0.imag += tmp2; \
+ a1.real += tmp3; \
+ a1.imag += tmp4; \
+} while (0)
+
+static inline void ifft8 (complex_t * buf)
+{
+ sample_t tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7, tmp8;
+
+ ifft4 (buf);
+ ifft2 (buf + 4);
+ ifft2 (buf + 6);
+ BUTTERFLY_ZERO (buf[0], buf[2], buf[4], buf[6]);
+ BUTTERFLY_HALF (buf[1], buf[3], buf[5], buf[7], roots16[1]);
+}
+
+static void ifft_pass (complex_t * buf, sample_t * weight, int n)
+{
+ complex_t * buf1;
+ complex_t * buf2;
+ complex_t * buf3;
+ sample_t tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7, tmp8;
+ int i;
+
+ buf++;
+ buf1 = buf + n;
+ buf2 = buf + 2 * n;
+ buf3 = buf + 3 * n;
+
+ BUTTERFLY_ZERO (buf[-1], buf1[-1], buf2[-1], buf3[-1]);
+
+ i = n - 1;
+
+ do {
+ BUTTERFLY (buf[0], buf1[0], buf2[0], buf3[0],
+ weight[0], weight[2*i-n]);
+ buf++;
+ buf1++;
+ buf2++;
+ buf3++;
+ weight++;
+ } while (--i);
+}
+
+static void ifft16 (complex_t * buf)
+{
+ ifft8 (buf);
+ ifft4 (buf + 8);
+ ifft4 (buf + 12);
+ ifft_pass (buf, roots16, 4);
+}
+
+static void ifft32 (complex_t * buf)
+{
+ ifft16 (buf);
+ ifft8 (buf + 16);
+ ifft8 (buf + 24);
+ ifft_pass (buf, roots32, 8);
+}
+
+static void ifft64_c (complex_t * buf)
+{
+ ifft32 (buf);
+ ifft16 (buf + 32);
+ ifft16 (buf + 48);
+ ifft_pass (buf, roots64, 16);
+}
+
+static void ifft128_c (complex_t * buf)
+{
+ ifft32 (buf);
+ ifft16 (buf + 32);
+ ifft16 (buf + 48);
+ ifft_pass (buf, roots64, 16);
+
+ ifft32 (buf + 64);
+ ifft32 (buf + 96);
+ ifft_pass (buf, roots128, 32);
+}
+
+void a52_imdct_512 (sample_t * data, sample_t * delay, sample_t bias)
+{
+ int i, k;
+ sample_t t_r, t_i, a_r, a_i, b_r, b_i, w_1, w_2;
+ const sample_t * window = a52_imdct_window;
+ complex_t buf[128];
+
+ for (i = 0; i < 128; i++) {
+ k = fftorder[i];
+ t_r = pre1[i].real;
+ t_i = pre1[i].imag;
+ BUTTERFLY_0 (buf[i].real, buf[i].imag, t_r, t_i, data[k], data[255-k]);
+ }
+
+ ifft128 (buf);
+
+ /* Post IFFT complex multiply plus IFFT complex conjugate*/
+ /* Window and convert to real valued signal */
+ for (i = 0; i < 64; i++) {
+ /* y[n] = z[n] * (xcos1[n] + j * xsin1[n]) ; */
+ t_r = post1[i].real;
+ t_i = post1[i].imag;
+ BUTTERFLY_0 (a_r, a_i, t_i, t_r, buf[i].imag, buf[i].real);
+ BUTTERFLY_0 (b_r, b_i, t_r, t_i, buf[127-i].imag, buf[127-i].real);
+
+ w_1 = window[2*i];
+ w_2 = window[255-2*i];
+ BUTTERFLY_B (data[255-2*i], data[2*i], w_2, w_1, a_r, delay[2*i]);
+ delay[2*i] = a_i;
+
+ w_1 = window[2*i+1];
+ w_2 = window[254-2*i];
+ BUTTERFLY_B (data[2*i+1], data[254-2*i], w_1, w_2, b_r, delay[2*i+1]);
+ delay[2*i+1] = b_i;
+ }
+}
+
+void a52_imdct_256 (sample_t * data, sample_t * delay, sample_t bias)
+{
+ int i, k;
+ sample_t t_r, t_i, a_r, a_i, b_r, b_i, c_r, c_i, d_r, d_i, w_1, w_2;
+ const sample_t * window = a52_imdct_window;
+ complex_t buf1[64], buf2[64];
+
+ /* Pre IFFT complex multiply plus IFFT cmplx conjugate */
+ for (i = 0; i < 64; i++) {
+ k = fftorder[i];
+ t_r = pre2[i].real;
+ t_i = pre2[i].imag;
+ BUTTERFLY_0 (buf1[i].real, buf1[i].imag, t_r, t_i, data[k], data[254-k]);
+ BUTTERFLY_0 (buf2[i].real, buf2[i].imag, t_r, t_i, data[k+1], data[255-k]);
+ }
+
+ ifft64 (buf1);
+ ifft64 (buf2);
+
+ /* Post IFFT complex multiply */
+ /* Window and convert to real valued signal */
+ for (i = 0; i < 32; i++) {
+ /* y1[n] = z1[n] * (xcos2[n] + j * xs in2[n]) ; */
+ t_r = post2[i].real;
+ t_i = post2[i].imag;
+ BUTTERFLY_0 (a_r, a_i, t_i, t_r, buf1[i].imag, buf1[i].real);
+ BUTTERFLY_0 (b_r, b_i, t_r, t_i, buf1[63-i].imag, buf1[63-i].real);
+ BUTTERFLY_0 (c_r, c_i, t_i, t_r, buf2[i].imag, buf2[i].real);
+ BUTTERFLY_0 (d_r, d_i, t_r, t_i, buf2[63-i].imag, buf2[63-i].real);
+
+ w_1 = window[2*i];
+ w_2 = window[255-2*i];
+ BUTTERFLY_B (data[255-2*i], data[2*i], w_2, w_1, a_r, delay[2*i]);
+ delay[2*i] = c_i;
+
+ w_1 = window[128+2*i];
+ w_2 = window[127-2*i];
+ BUTTERFLY_B (data[128+2*i], data[127-2*i], w_1, w_2, a_i, delay[127-2*i]);
+ delay[127-2*i] = c_r;
+
+ w_1 = window[2*i+1];
+ w_2 = window[254-2*i];
+ BUTTERFLY_B (data[254-2*i], data[2*i+1], w_2, w_1, b_i, delay[2*i+1]);
+ delay[2*i+1] = d_r;
+
+ w_1 = window[129+2*i];
+ w_2 = window[126-2*i];
+ BUTTERFLY_B (data[129+2*i], data[126-2*i], w_1, w_2, b_r, delay[126-2*i]);
+ delay[126-2*i] = d_i;
+ }
+}
+
+static double besselI0 (double x)
+{
+ double bessel = 1;
+ int i = 100;
+
+ do
+ bessel = bessel * x / (i * i) + 1;
+ while (--i);
+ return bessel;
+}
+
+void a52_imdct_init (uint32_t mm_accel)
+{
+ int i, k;
+ double sum;
+ double local_imdct_window[256];
+
+ /* compute imdct window - kaiser-bessel derived window, alpha = 5.0 */
+ sum = 0;
+ for (i = 0; i < 256; i++) {
+ sum += besselI0 (i * (256 - i) * (5 * M_PI / 256) * (5 * M_PI / 256));
+ local_imdct_window[i] = sum;
+ }
+ sum++;
+ for (i = 0; i < 256; i++)
+ a52_imdct_window[i] = SAMPLE (sqrt (local_imdct_window[i] / sum));
+
+ for (i = 0; i < 3; i++)
+ roots16[i] = SAMPLE (cos ((M_PI / 8) * (i + 1)));
+
+ for (i = 0; i < 7; i++)
+ roots32[i] = SAMPLE (cos ((M_PI / 16) * (i + 1)));
+
+ for (i = 0; i < 15; i++)
+ roots64[i] = SAMPLE (cos ((M_PI / 32) * (i + 1)));
+
+ for (i = 0; i < 31; i++)
+ roots128[i] = SAMPLE (cos ((M_PI / 64) * (i + 1)));
+
+ for (i = 0; i < 64; i++) {
+ k = fftorder[i] / 2 + 64;
+ pre1[i].real = SAMPLE (cos ((M_PI / 256) * (k - 0.25)));
+ pre1[i].imag = SAMPLE (sin ((M_PI / 256) * (k - 0.25)));
+ }
+
+ for (i = 64; i < 128; i++) {
+ k = fftorder[i] / 2 + 64;
+ pre1[i].real = SAMPLE (-cos ((M_PI / 256) * (k - 0.25)));
+ pre1[i].imag = SAMPLE (-sin ((M_PI / 256) * (k - 0.25)));
+ }
+
+ for (i = 0; i < 64; i++) {
+ post1[i].real = SAMPLE (cos ((M_PI / 256) * (i + 0.5)));
+ post1[i].imag = SAMPLE (sin ((M_PI / 256) * (i + 0.5)));
+ }
+
+ for (i = 0; i < 64; i++) {
+ k = fftorder[i] / 4;
+ pre2[i].real = SAMPLE (cos ((M_PI / 128) * (k - 0.25)));
+ pre2[i].imag = SAMPLE (sin ((M_PI / 128) * (k - 0.25)));
+ }
+
+ for (i = 0; i < 32; i++) {
+ post2[i].real = SAMPLE (cos ((M_PI / 128) * (i + 0.5)));
+ post2[i].imag = SAMPLE (sin ((M_PI / 128) * (i + 0.5)));
+ }
+
+#ifdef LIBA52_DJBFFT
+ if (mm_accel & MM_ACCEL_DJBFFT) {
+ ifft128 = (void (*) (complex_t *)) fftc4_un128;
+ ifft64 = (void (*) (complex_t *)) fftc4_un64;
+ } else
+#endif
+ {
+ ifft128 = ifft128_c;
+ ifft64 = ifft64_c;
+ }
+}
diff --git a/contrib/ffmpeg/libavcodec/liba52/mm_accel.h b/contrib/ffmpeg/libavcodec/liba52/mm_accel.h
new file mode 100644
index 000000000..9a475f5a2
--- /dev/null
+++ b/contrib/ffmpeg/libavcodec/liba52/mm_accel.h
@@ -0,0 +1,42 @@
+/*
+ * mm_accel.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.
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef MM_ACCEL_H
+#define MM_ACCEL_H
+
+/* generic accelerations */
+#define MM_ACCEL_DJBFFT 0x00000001
+
+/* x86 accelerations */
+#define MM_ACCEL_X86_MMX 0x80000000
+#define MM_ACCEL_X86_3DNOW 0x40000000
+#define MM_ACCEL_X86_MMXEXT 0x20000000
+#define MM_ACCEL_X86_SSE 0x10000000
+#define MM_ACCEL_X86_3DNOWEXT 0x08000000
+
+/* PPC accelerations */
+#define MM_ACCEL_PPC_ALTIVEC 0x00010000
+
+uint32_t mm_accel (void);
+
+#endif /* MM_ACCEL_H */
diff --git a/contrib/ffmpeg/libavcodec/liba52/parse.c b/contrib/ffmpeg/libavcodec/liba52/parse.c
new file mode 100644
index 000000000..5a0701564
--- /dev/null
+++ b/contrib/ffmpeg/libavcodec/liba52/parse.c
@@ -0,0 +1,939 @@
+/*
+ * parse.c
+ * Copyright (C) 2000-2003 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+#include "a52.h"
+#include "a52_internal.h"
+#include "bitstream.h"
+#include "tables.h"
+
+#if defined(HAVE_MEMALIGN) && !defined(__cplusplus)
+/* some systems have memalign() but no declaration for it */
+void * memalign (size_t align, size_t size);
+#else
+/* assume malloc alignment is sufficient */
+#define memalign(align,size) malloc (size)
+#endif
+
+typedef struct {
+ quantizer_t q1[2];
+ quantizer_t q2[2];
+ quantizer_t q4;
+ int q1_ptr;
+ int q2_ptr;
+ int q4_ptr;
+} quantizer_set_t;
+
+static uint8_t halfrate[12] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3};
+
+a52_state_t * a52_init (uint32_t mm_accel)
+{
+ a52_state_t * state;
+ int i;
+
+ state = (a52_state_t *) malloc (sizeof (a52_state_t));
+ if (state == NULL)
+ return NULL;
+
+ state->samples = (sample_t *) memalign (16, 256 * 12 * sizeof (sample_t));
+ if (state->samples == NULL) {
+ free (state);
+ return NULL;
+ }
+
+ for (i = 0; i < 256 * 12; i++)
+ state->samples[i] = 0;
+
+ state->downmixed = 1;
+
+ state->lfsr_state = 1;
+
+ a52_imdct_init (mm_accel);
+
+ return state;
+}
+
+sample_t * a52_samples (a52_state_t * state)
+{
+ return state->samples;
+}
+
+int a52_syncinfo (uint8_t * buf, int * flags,
+ int * sample_rate, int * bit_rate)
+{
+ static int rate[] = { 32, 40, 48, 56, 64, 80, 96, 112,
+ 128, 160, 192, 224, 256, 320, 384, 448,
+ 512, 576, 640};
+ static uint8_t lfeon[8] = {0x10, 0x10, 0x04, 0x04, 0x04, 0x01, 0x04, 0x01};
+ int frmsizecod;
+ int bitrate;
+ int half;
+ int acmod;
+
+ if ((buf[0] != 0x0b) || (buf[1] != 0x77)) /* syncword */
+ return 0;
+
+ if (buf[5] >= 0x60) /* bsid >= 12 */
+ return 0;
+ half = halfrate[buf[5] >> 3];
+
+ /* acmod, dsurmod and lfeon */
+ acmod = buf[6] >> 5;
+ *flags = ((((buf[6] & 0xf8) == 0x50) ? A52_DOLBY : acmod) |
+ ((buf[6] & lfeon[acmod]) ? A52_LFE : 0));
+
+ frmsizecod = buf[4] & 63;
+ if (frmsizecod >= 38)
+ return 0;
+ bitrate = rate [frmsizecod >> 1];
+ *bit_rate = (bitrate * 1000) >> half;
+
+ switch (buf[4] & 0xc0) {
+ case 0:
+ *sample_rate = 48000 >> half;
+ return 4 * bitrate;
+ case 0x40:
+ *sample_rate = 44100 >> half;
+ return 2 * (320 * bitrate / 147 + (frmsizecod & 1));
+ case 0x80:
+ *sample_rate = 32000 >> half;
+ return 6 * bitrate;
+ default:
+ return 0;
+ }
+}
+
+int a52_frame (a52_state_t * state, uint8_t * buf, int * flags,
+ level_t * level, sample_t bias)
+{
+ static level_t clev[4] = { LEVEL (LEVEL_3DB), LEVEL (LEVEL_45DB),
+ LEVEL (LEVEL_6DB), LEVEL (LEVEL_45DB) };
+ static level_t slev[4] = { LEVEL (LEVEL_3DB), LEVEL (LEVEL_6DB),
+ 0, LEVEL (LEVEL_6DB) };
+ int chaninfo;
+ int acmod;
+
+ state->fscod = buf[4] >> 6;
+ state->halfrate = halfrate[buf[5] >> 3];
+ state->acmod = acmod = buf[6] >> 5;
+
+ a52_bitstream_set_ptr (state, buf + 6);
+ bitstream_get (state, 3); /* skip acmod we already parsed */
+
+ if ((acmod == 2) && (bitstream_get (state, 2) == 2)) /* dsurmod */
+ acmod = A52_DOLBY;
+
+ state->clev = state->slev = 0;
+
+ if ((acmod & 1) && (acmod != 1))
+ state->clev = clev[bitstream_get (state, 2)]; /* cmixlev */
+
+ if (acmod & 4)
+ state->slev = slev[bitstream_get (state, 2)]; /* surmixlev */
+
+ state->lfeon = bitstream_get (state, 1);
+
+ state->output = a52_downmix_init (acmod, *flags, level,
+ state->clev, state->slev);
+ if (state->output < 0)
+ return 1;
+ if (state->lfeon && (*flags & A52_LFE))
+ state->output |= A52_LFE;
+ *flags = state->output;
+ /* the 2* compensates for differences in imdct */
+ state->dynrng = state->level = MUL_C (*level, 2);
+ state->bias = bias;
+ state->dynrnge = 1;
+ state->dynrngcall = NULL;
+ state->cplba.deltbae = DELTA_BIT_NONE;
+ state->ba[0].deltbae = state->ba[1].deltbae = state->ba[2].deltbae =
+ state->ba[3].deltbae = state->ba[4].deltbae = DELTA_BIT_NONE;
+
+ chaninfo = !acmod;
+ do {
+ bitstream_get (state, 5); /* dialnorm */
+ if (bitstream_get (state, 1)) /* compre */
+ bitstream_get (state, 8); /* compr */
+ if (bitstream_get (state, 1)) /* langcode */
+ bitstream_get (state, 8); /* langcod */
+ if (bitstream_get (state, 1)) /* audprodie */
+ bitstream_get (state, 7); /* mixlevel + roomtyp */
+ } while (chaninfo--);
+
+ bitstream_get (state, 2); /* copyrightb + origbs */
+
+ if (bitstream_get (state, 1)) /* timecod1e */
+ bitstream_get (state, 14); /* timecod1 */
+ if (bitstream_get (state, 1)) /* timecod2e */
+ bitstream_get (state, 14); /* timecod2 */
+
+ if (bitstream_get (state, 1)) { /* addbsie */
+ int addbsil;
+
+ addbsil = bitstream_get (state, 6);
+ do {
+ bitstream_get (state, 8); /* addbsi */
+ } while (addbsil--);
+ }
+
+ return 0;
+}
+
+void a52_dynrng (a52_state_t * state,
+ level_t (* call) (level_t, void *), void * data)
+{
+ state->dynrnge = 0;
+ if (call) {
+ state->dynrnge = 1;
+ state->dynrngcall = call;
+ state->dynrngdata = data;
+ }
+}
+
+static int parse_exponents (a52_state_t * state, int expstr, int ngrps,
+ uint8_t exponent, uint8_t * dest)
+{
+ int exps;
+
+ while (ngrps--) {
+ exps = bitstream_get (state, 7);
+
+ exponent += exp_1[exps];
+ if (exponent > 24)
+ return 1;
+
+ switch (expstr) {
+ case EXP_D45:
+ *(dest++) = exponent;
+ *(dest++) = exponent;
+ case EXP_D25:
+ *(dest++) = exponent;
+ case EXP_D15:
+ *(dest++) = exponent;
+ }
+
+ exponent += exp_2[exps];
+ if (exponent > 24)
+ return 1;
+
+ switch (expstr) {
+ case EXP_D45:
+ *(dest++) = exponent;
+ *(dest++) = exponent;
+ case EXP_D25:
+ *(dest++) = exponent;
+ case EXP_D15:
+ *(dest++) = exponent;
+ }
+
+ exponent += exp_3[exps];
+ if (exponent > 24)
+ return 1;
+
+ switch (expstr) {
+ case EXP_D45:
+ *(dest++) = exponent;
+ *(dest++) = exponent;
+ case EXP_D25:
+ *(dest++) = exponent;
+ case EXP_D15:
+ *(dest++) = exponent;
+ }
+ }
+
+ return 0;
+}
+
+static int parse_deltba (a52_state_t * state, int8_t * deltba)
+{
+ int deltnseg, deltlen, delta, j;
+
+ memset (deltba, 0, 50);
+
+ deltnseg = bitstream_get (state, 3);
+ j = 0;
+ do {
+ j += bitstream_get (state, 5);
+ deltlen = bitstream_get (state, 4);
+ delta = bitstream_get (state, 3);
+ delta -= (delta >= 4) ? 3 : 4;
+ if (!deltlen)
+ continue;
+ if (j + deltlen >= 50)
+ return 1;
+ while (deltlen--)
+ deltba[j++] = delta;
+ } while (deltnseg--);
+
+ return 0;
+}
+
+static inline int zero_snr_offsets (int nfchans, a52_state_t * state)
+{
+ int i;
+
+ if ((state->csnroffst) ||
+ (state->chincpl && state->cplba.bai >> 3) || /* cplinu, fsnroffst */
+ (state->lfeon && state->lfeba.bai >> 3)) /* fsnroffst */
+ return 0;
+ for (i = 0; i < nfchans; i++)
+ if (state->ba[i].bai >> 3) /* fsnroffst */
+ return 0;
+ return 1;
+}
+
+static inline int16_t dither_gen (a52_state_t * state)
+{
+ int16_t nstate;
+
+ nstate = dither_lut[state->lfsr_state >> 8] ^ (state->lfsr_state << 8);
+
+ state->lfsr_state = (uint16_t) nstate;
+
+ return (3 * nstate) >> 2;
+}
+
+#ifndef LIBA52_FIXED
+#define COEFF(c,t,l,s,e) (c) = (t) * (s)[e]
+#else
+#define COEFF(c,_t,_l,s,e) do { \
+ quantizer_t t = (_t); \
+ level_t l = (_l); \
+ int shift = e - 5; \
+ sample_t tmp = t * (l >> 16) + ((t * (l & 0xffff)) >> 16); \
+ if (shift >= 0) \
+ (c) = tmp >> shift; \
+ else \
+ (c) = tmp << -shift; \
+} while (0)
+#endif
+
+static void coeff_get (a52_state_t * state, sample_t * coeff,
+ expbap_t * expbap, quantizer_set_t * quant,
+ level_t level, int dither, int end)
+{
+ int i;
+ uint8_t * exp;
+ int8_t * bap;
+
+#ifndef LIBA52_FIXED
+ sample_t factor[25];
+
+ for (i = 0; i <= 24; i++)
+ factor[i] = scale_factor[i] * level;
+#endif
+
+ exp = expbap->exp;
+ bap = expbap->bap;
+
+ for (i = 0; i < end; i++) {
+ int bapi;
+
+ bapi = bap[i];
+ switch (bapi) {
+ case 0:
+ if (dither) {
+ COEFF (coeff[i], dither_gen (state), level, factor, exp[i]);
+ continue;
+ } else {
+ coeff[i] = 0;
+ continue;
+ }
+
+ case -1:
+ if (quant->q1_ptr >= 0) {
+ COEFF (coeff[i], quant->q1[quant->q1_ptr--], level,
+ factor, exp[i]);
+ continue;
+ } else {
+ int code;
+
+ code = bitstream_get (state, 5);
+
+ quant->q1_ptr = 1;
+ quant->q1[0] = q_1_2[code];
+ quant->q1[1] = q_1_1[code];
+ COEFF (coeff[i], q_1_0[code], level, factor, exp[i]);
+ continue;
+ }
+
+ case -2:
+ if (quant->q2_ptr >= 0) {
+ COEFF (coeff[i], quant->q2[quant->q2_ptr--], level,
+ factor, exp[i]);
+ continue;
+ } else {
+ int code;
+
+ code = bitstream_get (state, 7);
+
+ quant->q2_ptr = 1;
+ quant->q2[0] = q_2_2[code];
+ quant->q2[1] = q_2_1[code];
+ COEFF (coeff[i], q_2_0[code], level, factor, exp[i]);
+ continue;
+ }
+
+ case 3:
+ COEFF (coeff[i], q_3[bitstream_get (state, 3)], level,
+ factor, exp[i]);
+ continue;
+
+ case -3:
+ if (quant->q4_ptr == 0) {
+ quant->q4_ptr = -1;
+ COEFF (coeff[i], quant->q4, level, factor, exp[i]);
+ continue;
+ } else {
+ int code;
+
+ code = bitstream_get (state, 7);
+
+ quant->q4_ptr = 0;
+ quant->q4 = q_4_1[code];
+ COEFF (coeff[i], q_4_0[code], level, factor, exp[i]);
+ continue;
+ }
+
+ case 4:
+ COEFF (coeff[i], q_5[bitstream_get (state, 4)], level,
+ factor, exp[i]);
+ continue;
+
+ default:
+ COEFF (coeff[i], bitstream_get_2 (state, bapi) << (16 - bapi),
+ level, factor, exp[i]);
+ }
+ }
+}
+
+static void coeff_get_coupling (a52_state_t * state, int nfchans,
+ level_t * coeff, sample_t (* samples)[256],
+ quantizer_set_t * quant, uint8_t dithflag[5])
+{
+ int cplbndstrc, bnd, i, i_end, ch;
+ uint8_t * exp;
+ int8_t * bap;
+ level_t cplco[5];
+
+ exp = state->cpl_expbap.exp;
+ bap = state->cpl_expbap.bap;
+ bnd = 0;
+ cplbndstrc = state->cplbndstrc;
+ i = state->cplstrtmant;
+ while (i < state->cplendmant) {
+ i_end = i + 12;
+ while (cplbndstrc & 1) {
+ cplbndstrc >>= 1;
+ i_end += 12;
+ }
+ cplbndstrc >>= 1;
+ for (ch = 0; ch < nfchans; ch++)
+ cplco[ch] = MUL_L (state->cplco[ch][bnd], coeff[ch]);
+ bnd++;
+
+ while (i < i_end) {
+ quantizer_t cplcoeff;
+ int bapi;
+
+ bapi = bap[i];
+ switch (bapi) {
+ case 0:
+ for (ch = 0; ch < nfchans; ch++)
+ if ((state->chincpl >> ch) & 1) {
+ if (dithflag[ch])
+#ifndef LIBA52_FIXED
+ samples[ch][i] = (scale_factor[exp[i]] *
+ cplco[ch] * dither_gen (state));
+#else
+ COEFF (samples[ch][i], dither_gen (state),
+ cplco[ch], scale_factor, exp[i]);
+#endif
+ else
+ samples[ch][i] = 0;
+ }
+ i++;
+ continue;
+
+ case -1:
+ if (quant->q1_ptr >= 0) {
+ cplcoeff = quant->q1[quant->q1_ptr--];
+ break;
+ } else {
+ int code;
+
+ code = bitstream_get (state, 5);
+
+ quant->q1_ptr = 1;
+ quant->q1[0] = q_1_2[code];
+ quant->q1[1] = q_1_1[code];
+ cplcoeff = q_1_0[code];
+ break;
+ }
+
+ case -2:
+ if (quant->q2_ptr >= 0) {
+ cplcoeff = quant->q2[quant->q2_ptr--];
+ break;
+ } else {
+ int code;
+
+ code = bitstream_get (state, 7);
+
+ quant->q2_ptr = 1;
+ quant->q2[0] = q_2_2[code];
+ quant->q2[1] = q_2_1[code];
+ cplcoeff = q_2_0[code];
+ break;
+ }
+
+ case 3:
+ cplcoeff = q_3[bitstream_get (state, 3)];
+ break;
+
+ case -3:
+ if (quant->q4_ptr == 0) {
+ quant->q4_ptr = -1;
+ cplcoeff = quant->q4;
+ break;
+ } else {
+ int code;
+
+ code = bitstream_get (state, 7);
+
+ quant->q4_ptr = 0;
+ quant->q4 = q_4_1[code];
+ cplcoeff = q_4_0[code];
+ break;
+ }
+
+ case 4:
+ cplcoeff = q_5[bitstream_get (state, 4)];
+ break;
+
+ default:
+ cplcoeff = bitstream_get_2 (state, bapi) << (16 - bapi);
+ }
+#ifndef LIBA52_FIXED
+ cplcoeff *= scale_factor[exp[i]];
+#endif
+ for (ch = 0; ch < nfchans; ch++)
+ if ((state->chincpl >> ch) & 1)
+#ifndef LIBA52_FIXED
+ samples[ch][i] = cplcoeff * cplco[ch];
+#else
+ COEFF (samples[ch][i], cplcoeff, cplco[ch],
+ scale_factor, exp[i]);
+#endif
+ i++;
+ }
+ }
+}
+
+int a52_block (a52_state_t * state)
+{
+ static const uint8_t nfchans_tbl[] = {2, 1, 2, 3, 3, 4, 4, 5, 1, 1, 2};
+ static int rematrix_band[4] = {25, 37, 61, 253};
+ int i, nfchans, chaninfo;
+ uint8_t cplexpstr, chexpstr[5], lfeexpstr, do_bit_alloc, done_cpl;
+ uint8_t blksw[5], dithflag[5];
+ level_t coeff[5];
+ int chanbias;
+ quantizer_set_t quant;
+ sample_t * samples;
+
+ nfchans = nfchans_tbl[state->acmod];
+
+ for (i = 0; i < nfchans; i++)
+ blksw[i] = bitstream_get (state, 1);
+
+ for (i = 0; i < nfchans; i++)
+ dithflag[i] = bitstream_get (state, 1);
+
+ chaninfo = !state->acmod;
+ do {
+ if (bitstream_get (state, 1)) { /* dynrnge */
+ int dynrng;
+
+ dynrng = bitstream_get_2 (state, 8);
+ if (state->dynrnge) {
+ level_t range;
+
+#if !defined(LIBA52_FIXED)
+ range = ((((dynrng & 0x1f) | 0x20) << 13) *
+ scale_factor[3 - (dynrng >> 5)]);
+#else
+ range = ((dynrng & 0x1f) | 0x20) << (21 + (dynrng >> 5));
+#endif
+ if (state->dynrngcall)
+ range = state->dynrngcall (range, state->dynrngdata);
+ state->dynrng = MUL_L (state->level, range);
+ }
+ }
+ } while (chaninfo--);
+
+ if (bitstream_get (state, 1)) { /* cplstre */
+ state->chincpl = 0;
+ if (bitstream_get (state, 1)) { /* cplinu */
+ static uint8_t bndtab[16] = {31, 35, 37, 39, 41, 42, 43, 44,
+ 45, 45, 46, 46, 47, 47, 48, 48};
+ int cplbegf;
+ int cplendf;
+ int ncplsubnd;
+
+ for (i = 0; i < nfchans; i++)
+ state->chincpl |= bitstream_get (state, 1) << i;
+ switch (state->acmod) {
+ case 0: case 1:
+ return 1;
+ case 2:
+ state->phsflginu = bitstream_get (state, 1);
+ }
+ cplbegf = bitstream_get (state, 4);
+ cplendf = bitstream_get (state, 4);
+
+ if (cplendf + 3 - cplbegf < 0)
+ return 1;
+ state->ncplbnd = ncplsubnd = cplendf + 3 - cplbegf;
+ state->cplstrtbnd = bndtab[cplbegf];
+ state->cplstrtmant = cplbegf * 12 + 37;
+ state->cplendmant = cplendf * 12 + 73;
+
+ state->cplbndstrc = 0;
+ for (i = 0; i < ncplsubnd - 1; i++)
+ if (bitstream_get (state, 1)) {
+ state->cplbndstrc |= 1 << i;
+ state->ncplbnd--;
+ }
+ }
+ }
+
+ if (state->chincpl) { /* cplinu */
+ int j, cplcoe;
+
+ cplcoe = 0;
+ for (i = 0; i < nfchans; i++)
+ if ((state->chincpl) >> i & 1)
+ if (bitstream_get (state, 1)) { /* cplcoe */
+ int mstrcplco, cplcoexp, cplcomant;
+
+ cplcoe = 1;
+ mstrcplco = 3 * bitstream_get (state, 2);
+ for (j = 0; j < state->ncplbnd; j++) {
+ cplcoexp = bitstream_get (state, 4);
+ cplcomant = bitstream_get (state, 4);
+ if (cplcoexp == 15)
+ cplcomant <<= 14;
+ else
+ cplcomant = (cplcomant | 0x10) << 13;
+#ifndef LIBA52_FIXED
+ state->cplco[i][j] =
+ cplcomant * scale_factor[cplcoexp + mstrcplco];
+#else
+ state->cplco[i][j] = (cplcomant << 11) >> (cplcoexp + mstrcplco);
+#endif
+
+ }
+ }
+ if ((state->acmod == 2) && state->phsflginu && cplcoe)
+ for (j = 0; j < state->ncplbnd; j++)
+ if (bitstream_get (state, 1)) /* phsflg */
+ state->cplco[1][j] = -state->cplco[1][j];
+ }
+
+ if ((state->acmod == 2) && (bitstream_get (state, 1))) { /* rematstr */
+ int end;
+
+ state->rematflg = 0;
+ end = (state->chincpl) ? state->cplstrtmant : 253; /* cplinu */
+ i = 0;
+ do
+ state->rematflg |= bitstream_get (state, 1) << i;
+ while (rematrix_band[i++] < end);
+ }
+
+ cplexpstr = EXP_REUSE;
+ lfeexpstr = EXP_REUSE;
+ if (state->chincpl) /* cplinu */
+ cplexpstr = bitstream_get (state, 2);
+ for (i = 0; i < nfchans; i++)
+ chexpstr[i] = bitstream_get (state, 2);
+ if (state->lfeon)
+ lfeexpstr = bitstream_get (state, 1);
+
+ for (i = 0; i < nfchans; i++)
+ if (chexpstr[i] != EXP_REUSE) {
+ if ((state->chincpl >> i) & 1)
+ state->endmant[i] = state->cplstrtmant;
+ else {
+ int chbwcod;
+
+ chbwcod = bitstream_get (state, 6);
+ if (chbwcod > 60)
+ return 1;
+ state->endmant[i] = chbwcod * 3 + 73;
+ }
+ }
+
+ do_bit_alloc = 0;
+
+ if (cplexpstr != EXP_REUSE) {
+ int cplabsexp, ncplgrps;
+
+ do_bit_alloc = 64;
+ ncplgrps = ((state->cplendmant - state->cplstrtmant) /
+ (3 << (cplexpstr - 1)));
+ cplabsexp = bitstream_get (state, 4) << 1;
+ if (parse_exponents (state, cplexpstr, ncplgrps, cplabsexp,
+ state->cpl_expbap.exp + state->cplstrtmant))
+ return 1;
+ }
+ for (i = 0; i < nfchans; i++)
+ if (chexpstr[i] != EXP_REUSE) {
+ int grp_size, nchgrps;
+
+ do_bit_alloc |= 1 << i;
+ grp_size = 3 << (chexpstr[i] - 1);
+ nchgrps = (state->endmant[i] + grp_size - 4) / grp_size;
+ state->fbw_expbap[i].exp[0] = bitstream_get (state, 4);
+ if (parse_exponents (state, chexpstr[i], nchgrps,
+ state->fbw_expbap[i].exp[0],
+ state->fbw_expbap[i].exp + 1))
+ return 1;
+ bitstream_get (state, 2); /* gainrng */
+ }
+ if (lfeexpstr != EXP_REUSE) {
+ do_bit_alloc |= 32;
+ state->lfe_expbap.exp[0] = bitstream_get (state, 4);
+ if (parse_exponents (state, lfeexpstr, 2, state->lfe_expbap.exp[0],
+ state->lfe_expbap.exp + 1))
+ return 1;
+ }
+
+ if (bitstream_get (state, 1)) { /* baie */
+ do_bit_alloc = 127;
+ state->bai = bitstream_get (state, 11);
+ }
+ if (bitstream_get (state, 1)) { /* snroffste */
+ do_bit_alloc = 127;
+ state->csnroffst = bitstream_get (state, 6);
+ if (state->chincpl) /* cplinu */
+ state->cplba.bai = bitstream_get (state, 7);
+ for (i = 0; i < nfchans; i++)
+ state->ba[i].bai = bitstream_get (state, 7);
+ if (state->lfeon)
+ state->lfeba.bai = bitstream_get (state, 7);
+ }
+ if ((state->chincpl) && (bitstream_get (state, 1))) { /* cplleake */
+ do_bit_alloc |= 64;
+ state->cplfleak = 9 - bitstream_get (state, 3);
+ state->cplsleak = 9 - bitstream_get (state, 3);
+ }
+
+ if (bitstream_get (state, 1)) { /* deltbaie */
+ do_bit_alloc = 127;
+ if (state->chincpl) /* cplinu */
+ state->cplba.deltbae = bitstream_get (state, 2);
+ for (i = 0; i < nfchans; i++)
+ state->ba[i].deltbae = bitstream_get (state, 2);
+ if (state->chincpl && /* cplinu */
+ (state->cplba.deltbae == DELTA_BIT_NEW) &&
+ parse_deltba (state, state->cplba.deltba))
+ return 1;
+ for (i = 0; i < nfchans; i++)
+ if ((state->ba[i].deltbae == DELTA_BIT_NEW) &&
+ parse_deltba (state, state->ba[i].deltba))
+ return 1;
+ }
+
+ if (do_bit_alloc) {
+ if (zero_snr_offsets (nfchans, state)) {
+ memset (state->cpl_expbap.bap, 0, sizeof (state->cpl_expbap.bap));
+ for (i = 0; i < nfchans; i++)
+ memset (state->fbw_expbap[i].bap, 0,
+ sizeof (state->fbw_expbap[i].bap));
+ memset (state->lfe_expbap.bap, 0, sizeof (state->lfe_expbap.bap));
+ } else {
+ if (state->chincpl && (do_bit_alloc & 64)) /* cplinu */
+ a52_bit_allocate (state, &state->cplba, state->cplstrtbnd,
+ state->cplstrtmant, state->cplendmant,
+ state->cplfleak << 8, state->cplsleak << 8,
+ &state->cpl_expbap);
+ for (i = 0; i < nfchans; i++)
+ if (do_bit_alloc & (1 << i))
+ a52_bit_allocate (state, state->ba + i, 0, 0,
+ state->endmant[i], 0, 0,
+ state->fbw_expbap +i);
+ if (state->lfeon && (do_bit_alloc & 32)) {
+ state->lfeba.deltbae = DELTA_BIT_NONE;
+ a52_bit_allocate (state, &state->lfeba, 0, 0, 7, 0, 0,
+ &state->lfe_expbap);
+ }
+ }
+ }
+
+ if (bitstream_get (state, 1)) { /* skiple */
+ i = bitstream_get (state, 9); /* skipl */
+ while (i--)
+ bitstream_get (state, 8);
+ }
+
+ samples = state->samples;
+ if (state->output & A52_LFE)
+ samples += 256; /* shift for LFE channel */
+
+ chanbias = a52_downmix_coeff (coeff, state->acmod, state->output,
+ state->dynrng, state->clev, state->slev);
+
+ quant.q1_ptr = quant.q2_ptr = quant.q4_ptr = -1;
+ done_cpl = 0;
+
+ for (i = 0; i < nfchans; i++) {
+ int j;
+
+ coeff_get (state, samples + 256 * i, state->fbw_expbap +i, &quant,
+ coeff[i], dithflag[i], state->endmant[i]);
+
+ if ((state->chincpl >> i) & 1) {
+ if (!done_cpl) {
+ done_cpl = 1;
+ coeff_get_coupling (state, nfchans, coeff,
+ (sample_t (*)[256])samples, &quant,
+ dithflag);
+ }
+ j = state->cplendmant;
+ } else
+ j = state->endmant[i];
+ do
+ (samples + 256 * i)[j] = 0;
+ while (++j < 256);
+ }
+
+ if (state->acmod == 2) {
+ int j, end, band, rematflg;
+
+ end = ((state->endmant[0] < state->endmant[1]) ?
+ state->endmant[0] : state->endmant[1]);
+
+ i = 0;
+ j = 13;
+ rematflg = state->rematflg;
+ do {
+ if (! (rematflg & 1)) {
+ rematflg >>= 1;
+ j = rematrix_band[i++];
+ continue;
+ }
+ rematflg >>= 1;
+ band = rematrix_band[i++];
+ if (band > end)
+ band = end;
+ do {
+ sample_t tmp0, tmp1;
+
+ tmp0 = samples[j];
+ tmp1 = (samples+256)[j];
+ samples[j] = tmp0 + tmp1;
+ (samples+256)[j] = tmp0 - tmp1;
+ } while (++j < band);
+ } while (j < end);
+ }
+
+ if (state->lfeon) {
+ if (state->output & A52_LFE) {
+ coeff_get (state, samples - 256, &state->lfe_expbap, &quant,
+ state->dynrng, 0, 7);
+ for (i = 7; i < 256; i++)
+ (samples-256)[i] = 0;
+ a52_imdct_512 (samples - 256, samples + 1536 - 256, state->bias);
+ } else {
+ /* just skip the LFE coefficients */
+ coeff_get (state, samples + 1280, &state->lfe_expbap, &quant,
+ 0, 0, 7);
+ }
+ }
+
+ i = 0;
+ if (nfchans_tbl[state->output & A52_CHANNEL_MASK] < nfchans)
+ for (i = 1; i < nfchans; i++)
+ if (blksw[i] != blksw[0])
+ break;
+
+ if (i < nfchans) {
+ if (state->downmixed) {
+ state->downmixed = 0;
+ a52_upmix (samples + 1536, state->acmod, state->output);
+ }
+
+ for (i = 0; i < nfchans; i++) {
+ sample_t bias;
+
+ bias = 0;
+ if (!(chanbias & (1 << i)))
+ bias = state->bias;
+
+ if (coeff[i]) {
+ if (blksw[i])
+ a52_imdct_256 (samples + 256 * i, samples + 1536 + 256 * i,
+ bias);
+ else
+ a52_imdct_512 (samples + 256 * i, samples + 1536 + 256 * i,
+ bias);
+ } else {
+ int j;
+
+ for (j = 0; j < 256; j++)
+ (samples + 256 * i)[j] = bias;
+ }
+ }
+
+ a52_downmix (samples, state->acmod, state->output, state->bias,
+ state->clev, state->slev);
+ } else {
+ nfchans = nfchans_tbl[state->output & A52_CHANNEL_MASK];
+
+ a52_downmix (samples, state->acmod, state->output, 0,
+ state->clev, state->slev);
+
+ if (!state->downmixed) {
+ state->downmixed = 1;
+ a52_downmix (samples + 1536, state->acmod, state->output, 0,
+ state->clev, state->slev);
+ }
+
+ if (blksw[0])
+ for (i = 0; i < nfchans; i++)
+ a52_imdct_256 (samples + 256 * i, samples + 1536 + 256 * i,
+ state->bias);
+ else
+ for (i = 0; i < nfchans; i++)
+ a52_imdct_512 (samples + 256 * i, samples + 1536 + 256 * i,
+ state->bias);
+ }
+
+ return 0;
+}
+
+void a52_free (a52_state_t * state)
+{
+ free (state->samples);
+ free (state);
+}
diff --git a/contrib/ffmpeg/libavcodec/liba52/resample.c b/contrib/ffmpeg/libavcodec/liba52/resample.c
new file mode 100644
index 000000000..3f06aba1f
--- /dev/null
+++ b/contrib/ffmpeg/libavcodec/liba52/resample.c
@@ -0,0 +1,63 @@
+/*
+ * copyright (C) 2001 Arpad Gereoffy
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+// a52_resample_init should find the requested converter (from type flags ->
+// given number of channels) and set up some function pointers...
+
+// a52_resample() should do the conversion.
+
+#include "a52.h"
+#include "mm_accel.h"
+#include "config.h"
+#include "../../libpostproc/mangle.h"
+
+int (* a52_resample) (float * _f, int16_t * s16)=NULL;
+
+#include "resample_c.c"
+
+#ifdef ARCH_X86_32
+#include "resample_mmx.c"
+#endif
+
+void* a52_resample_init(uint32_t mm_accel,int flags,int chans){
+void* tmp;
+
+#ifdef ARCH_X86_32
+ if(mm_accel&MM_ACCEL_X86_MMX){
+ tmp=a52_resample_MMX(flags,chans);
+ if(tmp){
+ if(a52_resample==NULL) av_log(NULL, AV_LOG_INFO, "Using MMX optimized resampler\n");
+ a52_resample=tmp;
+ return tmp;
+ }
+ }
+#endif
+
+ tmp=a52_resample_C(flags,chans);
+ if(tmp){
+ if(a52_resample==NULL) av_log(NULL, AV_LOG_INFO, "No accelerated resampler found\n");
+ a52_resample=tmp;
+ return tmp;
+ }
+
+ av_log(NULL, AV_LOG_ERROR, "Unimplemented resampler for mode 0x%X -> %d channels conversion - Contact MPlayer developers!\n", flags, chans);
+ return NULL;
+}
diff --git a/contrib/ffmpeg/libavcodec/liba52/resample_c.c b/contrib/ffmpeg/libavcodec/liba52/resample_c.c
new file mode 100644
index 000000000..905146a7d
--- /dev/null
+++ b/contrib/ffmpeg/libavcodec/liba52/resample_c.c
@@ -0,0 +1,203 @@
+/*
+ * this code is based on a52dec/libao/audio_out_oss.c
+ * copyright (C) 2001 Arpad Gereoffy
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+static inline int16_t convert (int32_t i)
+{
+ if (i > 0x43c07fff)
+ return 32767;
+ else if (i < 0x43bf8000)
+ return -32768;
+ else
+ return i - 0x43c00000;
+}
+
+static int a52_resample_MONO_to_5_C(float * _f, int16_t * s16){
+ int i;
+ int32_t * f = (int32_t *) _f;
+ for (i = 0; i < 256; i++) {
+ s16[5*i] = s16[5*i+1] = s16[5*i+2] = s16[5*i+3] = 0;
+ s16[5*i+4] = convert (f[i]);
+ }
+ return 5*256;
+}
+
+static int a52_resample_MONO_to_1_C(float * _f, int16_t * s16){
+ int i;
+ int32_t * f = (int32_t *) _f;
+ for (i = 0; i < 256; i++) {
+ s16[i] = convert (f[i]);
+ }
+ return 1*256;
+}
+
+static int a52_resample_STEREO_to_2_C(float * _f, int16_t * s16){
+ int i;
+ int32_t * f = (int32_t *) _f;
+ for (i = 0; i < 256; i++) {
+ s16[2*i] = convert (f[i]);
+ s16[2*i+1] = convert (f[i+256]);
+ }
+ return 2*256;
+}
+
+static int a52_resample_3F_to_5_C(float * _f, int16_t * s16){
+ int i;
+ int32_t * f = (int32_t *) _f;
+ for (i = 0; i < 256; i++) {
+ s16[5*i] = convert (f[i]);
+ s16[5*i+1] = convert (f[i+512]);
+ s16[5*i+2] = s16[5*i+3] = 0;
+ s16[5*i+4] = convert (f[i+256]);
+ }
+ return 5*256;
+}
+
+static int a52_resample_2F_2R_to_4_C(float * _f, int16_t * s16){
+ int i;
+ int32_t * f = (int32_t *) _f;
+ for (i = 0; i < 256; i++) {
+ s16[4*i] = convert (f[i]);
+ s16[4*i+1] = convert (f[i+256]);
+ s16[4*i+2] = convert (f[i+512]);
+ s16[4*i+3] = convert (f[i+768]);
+ }
+ return 4*256;
+}
+
+static int a52_resample_3F_2R_to_5_C(float * _f, int16_t * s16){
+ int i;
+ int32_t * f = (int32_t *) _f;
+ for (i = 0; i < 256; i++) {
+ s16[5*i] = convert (f[i]);
+ s16[5*i+1] = convert (f[i+512]);
+ s16[5*i+2] = convert (f[i+768]);
+ s16[5*i+3] = convert (f[i+1024]);
+ s16[5*i+4] = convert (f[i+256]);
+ }
+ return 5*256;
+}
+
+static int a52_resample_MONO_LFE_to_6_C(float * _f, int16_t * s16){
+ int i;
+ int32_t * f = (int32_t *) _f;
+ for (i = 0; i < 256; i++) {
+ s16[6*i] = s16[6*i+1] = s16[6*i+2] = s16[6*i+3] = 0;
+ s16[6*i+4] = convert (f[i+256]);
+ s16[6*i+5] = convert (f[i]);
+ }
+ return 6*256;
+}
+
+static int a52_resample_STEREO_LFE_to_6_C(float * _f, int16_t * s16){
+ int i;
+ int32_t * f = (int32_t *) _f;
+ for (i = 0; i < 256; i++) {
+ s16[6*i] = convert (f[i+256]);
+ s16[6*i+1] = convert (f[i+512]);
+ s16[6*i+2] = s16[6*i+3] = s16[6*i+4] = 0;
+ s16[6*i+5] = convert (f[i]);
+ }
+ return 6*256;
+}
+
+static int a52_resample_3F_LFE_to_6_C(float * _f, int16_t * s16){
+ int i;
+ int32_t * f = (int32_t *) _f;
+ for (i = 0; i < 256; i++) {
+ s16[6*i] = convert (f[i+256]);
+ s16[6*i+1] = convert (f[i+768]);
+ s16[6*i+2] = s16[6*i+3] = 0;
+ s16[6*i+4] = convert (f[i+512]);
+ s16[6*i+5] = convert (f[i]);
+ }
+ return 6*256;
+}
+
+static int a52_resample_2F_2R_LFE_to_6_C(float * _f, int16_t * s16){
+ int i;
+ int32_t * f = (int32_t *) _f;
+ for (i = 0; i < 256; i++) {
+ s16[6*i] = convert (f[i+256]);
+ s16[6*i+1] = convert (f[i+512]);
+ s16[6*i+2] = convert (f[i+768]);
+ s16[6*i+3] = convert (f[i+1024]);
+ s16[6*i+4] = 0;
+ s16[6*i+5] = convert (f[i]);
+ }
+ return 6*256;
+}
+
+static int a52_resample_3F_2R_LFE_to_6_C(float * _f, int16_t * s16){
+ int i;
+ int32_t * f = (int32_t *) _f;
+ for (i = 0; i < 256; i++) {
+ s16[6*i] = convert (f[i+256]);
+ s16[6*i+1] = convert (f[i+768]);
+ s16[6*i+2] = convert (f[i+1024]);
+ s16[6*i+3] = convert (f[i+1280]);
+ s16[6*i+4] = convert (f[i+512]);
+ s16[6*i+5] = convert (f[i]);
+ }
+ return 6*256;
+}
+
+
+static void* a52_resample_C(int flags, int ch){
+ switch (flags) {
+ case A52_MONO:
+ if(ch==5) return a52_resample_MONO_to_5_C;
+ if(ch==1) return a52_resample_MONO_to_1_C;
+ break;
+ case A52_CHANNEL:
+ case A52_STEREO:
+ case A52_DOLBY:
+ if(ch==2) return a52_resample_STEREO_to_2_C;
+ break;
+ case A52_3F:
+ if(ch==5) return a52_resample_3F_to_5_C;
+ break;
+ case A52_2F2R:
+ if(ch==4) return a52_resample_2F_2R_to_4_C;
+ break;
+ case A52_3F2R:
+ if(ch==5) return a52_resample_3F_2R_to_5_C;
+ break;
+ case A52_MONO | A52_LFE:
+ if(ch==6) return a52_resample_MONO_LFE_to_6_C;
+ break;
+ case A52_CHANNEL | A52_LFE:
+ case A52_STEREO | A52_LFE:
+ case A52_DOLBY | A52_LFE:
+ if(ch==6) return a52_resample_STEREO_LFE_to_6_C;
+ break;
+ case A52_3F | A52_LFE:
+ if(ch==6) return a52_resample_3F_LFE_to_6_C;
+ break;
+ case A52_2F2R | A52_LFE:
+ if(ch==6) return a52_resample_2F_2R_LFE_to_6_C;
+ break;
+ case A52_3F2R | A52_LFE:
+ if(ch==6) return a52_resample_3F_2R_LFE_to_6_C;
+ break;
+ }
+ return NULL;
+}
diff --git a/contrib/ffmpeg/libavcodec/liba52/resample_mmx.c b/contrib/ffmpeg/libavcodec/liba52/resample_mmx.c
new file mode 100644
index 000000000..173c804d9
--- /dev/null
+++ b/contrib/ffmpeg/libavcodec/liba52/resample_mmx.c
@@ -0,0 +1,537 @@
+/*
+ * resample_mmx.c
+ * Copyright (C) 2003 Michael Niedermayer <michaelni@gmx.at>
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/* optimization TODO / NOTES
+ movntq is slightly faster (0.5% with the current test.c benchmark)
+ (but thats just test.c so that needs to be testd in reallity)
+ and it would mean (C / MMX2 / MMX / 3DNOW) versions
+*/
+
+static uint64_t __attribute__((aligned(8))) attribute_used magicF2W= 0x43c0000043c00000LL;
+static uint64_t __attribute__((aligned(8))) attribute_used wm1010= 0xFFFF0000FFFF0000LL;
+static uint64_t __attribute__((aligned(8))) attribute_used wm0101= 0x0000FFFF0000FFFFLL;
+static uint64_t __attribute__((aligned(8))) attribute_used wm1100= 0xFFFFFFFF00000000LL;
+
+static int a52_resample_MONO_to_5_MMX(float * _f, int16_t * s16){
+ int32_t * f = (int32_t *) _f;
+ asm volatile(
+ "movl $-512, %%esi \n\t"
+ "movq "MANGLE(magicF2W)", %%mm7 \n\t"
+ "movq "MANGLE(wm1100)", %%mm3 \n\t"
+ "movq "MANGLE(wm0101)", %%mm4 \n\t"
+ "movq "MANGLE(wm1010)", %%mm5 \n\t"
+ "pxor %%mm6, %%mm6 \n\t"
+ "1: \n\t"
+ "movq (%1, %%esi, 2), %%mm0 \n\t"
+ "movq 8(%1, %%esi, 2), %%mm1 \n\t"
+ "leal (%%esi, %%esi, 4), %%edi \n\t"
+ "psubd %%mm7, %%mm0 \n\t"
+ "psubd %%mm7, %%mm1 \n\t"
+ "packssdw %%mm1, %%mm0 \n\t"
+ "movq %%mm0, %%mm1 \n\t"
+ "pand %%mm4, %%mm0 \n\t"
+ "pand %%mm5, %%mm1 \n\t"
+ "movq %%mm6, (%0, %%edi) \n\t" // 0 0 0 0
+ "movd %%mm0, 8(%0, %%edi) \n\t" // A 0
+ "pand %%mm3, %%mm0 \n\t"
+ "movd %%mm6, 12(%0, %%edi) \n\t" // 0 0
+ "movd %%mm1, 16(%0, %%edi) \n\t" // 0 B
+ "pand %%mm3, %%mm1 \n\t"
+ "movd %%mm6, 20(%0, %%edi) \n\t" // 0 0
+ "movq %%mm0, 24(%0, %%edi) \n\t" // 0 0 C 0
+ "movq %%mm1, 32(%0, %%edi) \n\t" // 0 0 0 B
+ "addl $8, %%esi \n\t"
+ " jnz 1b \n\t"
+ "emms \n\t"
+ :: "r" (s16+1280), "r" (f+256)
+ :"%esi", "%edi", "memory"
+ );
+ return 5*256;
+}
+
+static int a52_resample_STEREO_to_2_MMX(float * _f, int16_t * s16){
+ int32_t * f = (int32_t *) _f;
+/* benchmark scores are 0.3% better with SSE but we would need to set bias=0 and premultiply it
+#ifdef HAVE_SSE
+ asm volatile(
+ "movl $-1024, %%esi \n\t"
+ "1: \n\t"
+ "cvtps2pi (%1, %%esi), %%mm0 \n\t"
+ "cvtps2pi 1024(%1, %%esi), %%mm2\n\t"
+ "movq %%mm0, %%mm1 \n\t"
+ "punpcklwd %%mm2, %%mm0 \n\t"
+ "punpckhwd %%mm2, %%mm1 \n\t"
+ "movq %%mm0, (%0, %%esi) \n\t"
+ "movq %%mm1, 8(%0, %%esi) \n\t"
+ "addl $16, %%esi \n\t"
+ " jnz 1b \n\t"
+ "emms \n\t"
+ :: "r" (s16+512), "r" (f+256)
+ :"%esi", "memory"
+ );*/
+ asm volatile(
+ "movl $-1024, %%esi \n\t"
+ "movq "MANGLE(magicF2W)", %%mm7 \n\t"
+ "1: \n\t"
+ "movq (%1, %%esi), %%mm0 \n\t"
+ "movq 8(%1, %%esi), %%mm1 \n\t"
+ "movq 1024(%1, %%esi), %%mm2 \n\t"
+ "movq 1032(%1, %%esi), %%mm3 \n\t"
+ "psubd %%mm7, %%mm0 \n\t"
+ "psubd %%mm7, %%mm1 \n\t"
+ "psubd %%mm7, %%mm2 \n\t"
+ "psubd %%mm7, %%mm3 \n\t"
+ "packssdw %%mm1, %%mm0 \n\t"
+ "packssdw %%mm3, %%mm2 \n\t"
+ "movq %%mm0, %%mm1 \n\t"
+ "punpcklwd %%mm2, %%mm0 \n\t"
+ "punpckhwd %%mm2, %%mm1 \n\t"
+ "movq %%mm0, (%0, %%esi) \n\t"
+ "movq %%mm1, 8(%0, %%esi) \n\t"
+ "addl $16, %%esi \n\t"
+ " jnz 1b \n\t"
+ "emms \n\t"
+ :: "r" (s16+512), "r" (f+256)
+ :"%esi", "memory"
+ );
+ return 2*256;
+}
+
+static int a52_resample_3F_to_5_MMX(float * _f, int16_t * s16){
+ int32_t * f = (int32_t *) _f;
+ asm volatile(
+ "movl $-1024, %%esi \n\t"
+ "movq "MANGLE(magicF2W)", %%mm7 \n\t"
+ "pxor %%mm6, %%mm6 \n\t"
+ "movq %%mm7, %%mm5 \n\t"
+ "punpckldq %%mm6, %%mm5 \n\t"
+ "1: \n\t"
+ "movd (%1, %%esi), %%mm0 \n\t"
+ "punpckldq 2048(%1, %%esi), %%mm0\n\t"
+ "movd 1024(%1, %%esi), %%mm1 \n\t"
+ "punpckldq 4(%1, %%esi), %%mm1 \n\t"
+ "movd 2052(%1, %%esi), %%mm2 \n\t"
+ "movq %%mm7, %%mm3 \n\t"
+ "punpckldq 1028(%1, %%esi), %%mm3\n\t"
+ "movd 8(%1, %%esi), %%mm4 \n\t"
+ "punpckldq 2056(%1, %%esi), %%mm4\n\t"
+ "leal (%%esi, %%esi, 4), %%edi \n\t"
+ "sarl $1, %%edi \n\t"
+ "psubd %%mm7, %%mm0 \n\t"
+ "psubd %%mm7, %%mm1 \n\t"
+ "psubd %%mm5, %%mm2 \n\t"
+ "psubd %%mm7, %%mm3 \n\t"
+ "psubd %%mm7, %%mm4 \n\t"
+ "packssdw %%mm6, %%mm0 \n\t"
+ "packssdw %%mm2, %%mm1 \n\t"
+ "packssdw %%mm4, %%mm3 \n\t"
+ "movq %%mm0, (%0, %%edi) \n\t"
+ "movq %%mm1, 8(%0, %%edi) \n\t"
+ "movq %%mm3, 16(%0, %%edi) \n\t"
+
+ "movd 1032(%1, %%esi), %%mm1 \n\t"
+ "punpckldq 12(%1, %%esi), %%mm1\n\t"
+ "movd 2060(%1, %%esi), %%mm2 \n\t"
+ "movq %%mm7, %%mm3 \n\t"
+ "punpckldq 1036(%1, %%esi), %%mm3\n\t"
+ "pxor %%mm0, %%mm0 \n\t"
+ "psubd %%mm7, %%mm1 \n\t"
+ "psubd %%mm5, %%mm2 \n\t"
+ "psubd %%mm7, %%mm3 \n\t"
+ "packssdw %%mm1, %%mm0 \n\t"
+ "packssdw %%mm3, %%mm2 \n\t"
+ "movq %%mm0, 24(%0, %%edi) \n\t"
+ "movq %%mm2, 32(%0, %%edi) \n\t"
+
+ "addl $16, %%esi \n\t"
+ " jnz 1b \n\t"
+ "emms \n\t"
+ :: "r" (s16+1280), "r" (f+256)
+ :"%esi", "%edi", "memory"
+ );
+ return 5*256;
+}
+
+static int a52_resample_2F_2R_to_4_MMX(float * _f, int16_t * s16){
+ int32_t * f = (int32_t *) _f;
+ asm volatile(
+ "movl $-1024, %%esi \n\t"
+ "movq "MANGLE(magicF2W)", %%mm7 \n\t"
+ "1: \n\t"
+ "movq (%1, %%esi), %%mm0 \n\t"
+ "movq 8(%1, %%esi), %%mm1 \n\t"
+ "movq 1024(%1, %%esi), %%mm2 \n\t"
+ "movq 1032(%1, %%esi), %%mm3 \n\t"
+ "psubd %%mm7, %%mm0 \n\t"
+ "psubd %%mm7, %%mm1 \n\t"
+ "psubd %%mm7, %%mm2 \n\t"
+ "psubd %%mm7, %%mm3 \n\t"
+ "packssdw %%mm1, %%mm0 \n\t"
+ "packssdw %%mm3, %%mm2 \n\t"
+ "movq 2048(%1, %%esi), %%mm3 \n\t"
+ "movq 2056(%1, %%esi), %%mm4 \n\t"
+ "movq 3072(%1, %%esi), %%mm5 \n\t"
+ "movq 3080(%1, %%esi), %%mm6 \n\t"
+ "psubd %%mm7, %%mm3 \n\t"
+ "psubd %%mm7, %%mm4 \n\t"
+ "psubd %%mm7, %%mm5 \n\t"
+ "psubd %%mm7, %%mm6 \n\t"
+ "packssdw %%mm4, %%mm3 \n\t"
+ "packssdw %%mm6, %%mm5 \n\t"
+ "movq %%mm0, %%mm1 \n\t"
+ "movq %%mm3, %%mm4 \n\t"
+ "punpcklwd %%mm2, %%mm0 \n\t"
+ "punpckhwd %%mm2, %%mm1 \n\t"
+ "punpcklwd %%mm5, %%mm3 \n\t"
+ "punpckhwd %%mm5, %%mm4 \n\t"
+ "movq %%mm0, %%mm2 \n\t"
+ "movq %%mm1, %%mm5 \n\t"
+ "punpckldq %%mm3, %%mm0 \n\t"
+ "punpckhdq %%mm3, %%mm2 \n\t"
+ "punpckldq %%mm4, %%mm1 \n\t"
+ "punpckhdq %%mm4, %%mm5 \n\t"
+ "movq %%mm0, (%0, %%esi,2) \n\t"
+ "movq %%mm2, 8(%0, %%esi,2) \n\t"
+ "movq %%mm1, 16(%0, %%esi,2) \n\t"
+ "movq %%mm5, 24(%0, %%esi,2) \n\t"
+ "addl $16, %%esi \n\t"
+ " jnz 1b \n\t"
+ "emms \n\t"
+ :: "r" (s16+1024), "r" (f+256)
+ :"%esi", "memory"
+ );
+ return 4*256;
+}
+
+static int a52_resample_3F_2R_to_5_MMX(float * _f, int16_t * s16){
+ int32_t * f = (int32_t *) _f;
+ asm volatile(
+ "movl $-1024, %%esi \n\t"
+ "movq "MANGLE(magicF2W)", %%mm7 \n\t"
+ "1: \n\t"
+ "movd (%1, %%esi), %%mm0 \n\t"
+ "punpckldq 2048(%1, %%esi), %%mm0\n\t"
+ "movd 3072(%1, %%esi), %%mm1 \n\t"
+ "punpckldq 4096(%1, %%esi), %%mm1\n\t"
+ "movd 1024(%1, %%esi), %%mm2 \n\t"
+ "punpckldq 4(%1, %%esi), %%mm2 \n\t"
+ "movd 2052(%1, %%esi), %%mm3 \n\t"
+ "punpckldq 3076(%1, %%esi), %%mm3\n\t"
+ "movd 4100(%1, %%esi), %%mm4 \n\t"
+ "punpckldq 1028(%1, %%esi), %%mm4\n\t"
+ "movd 8(%1, %%esi), %%mm5 \n\t"
+ "punpckldq 2056(%1, %%esi), %%mm5\n\t"
+ "leal (%%esi, %%esi, 4), %%edi \n\t"
+ "sarl $1, %%edi \n\t"
+ "psubd %%mm7, %%mm0 \n\t"
+ "psubd %%mm7, %%mm1 \n\t"
+ "psubd %%mm7, %%mm2 \n\t"
+ "psubd %%mm7, %%mm3 \n\t"
+ "psubd %%mm7, %%mm4 \n\t"
+ "psubd %%mm7, %%mm5 \n\t"
+ "packssdw %%mm1, %%mm0 \n\t"
+ "packssdw %%mm3, %%mm2 \n\t"
+ "packssdw %%mm5, %%mm4 \n\t"
+ "movq %%mm0, (%0, %%edi) \n\t"
+ "movq %%mm2, 8(%0, %%edi) \n\t"
+ "movq %%mm4, 16(%0, %%edi) \n\t"
+
+ "movd 3080(%1, %%esi), %%mm0 \n\t"
+ "punpckldq 4104(%1, %%esi), %%mm0\n\t"
+ "movd 1032(%1, %%esi), %%mm1 \n\t"
+ "punpckldq 12(%1, %%esi), %%mm1\n\t"
+ "movd 2060(%1, %%esi), %%mm2 \n\t"
+ "punpckldq 3084(%1, %%esi), %%mm2\n\t"
+ "movd 4108(%1, %%esi), %%mm3 \n\t"
+ "punpckldq 1036(%1, %%esi), %%mm3\n\t"
+ "psubd %%mm7, %%mm0 \n\t"
+ "psubd %%mm7, %%mm1 \n\t"
+ "psubd %%mm7, %%mm2 \n\t"
+ "psubd %%mm7, %%mm3 \n\t"
+ "packssdw %%mm1, %%mm0 \n\t"
+ "packssdw %%mm3, %%mm2 \n\t"
+ "movq %%mm0, 24(%0, %%edi) \n\t"
+ "movq %%mm2, 32(%0, %%edi) \n\t"
+
+ "addl $16, %%esi \n\t"
+ " jnz 1b \n\t"
+ "emms \n\t"
+ :: "r" (s16+1280), "r" (f+256)
+ :"%esi", "%edi", "memory"
+ );
+ return 5*256;
+}
+
+static int a52_resample_MONO_LFE_to_6_MMX(float * _f, int16_t * s16){
+ int32_t * f = (int32_t *) _f;
+ asm volatile(
+ "movl $-1024, %%esi \n\t"
+ "movq "MANGLE(magicF2W)", %%mm7 \n\t"
+ "pxor %%mm6, %%mm6 \n\t"
+ "1: \n\t"
+ "movq 1024(%1, %%esi), %%mm0 \n\t"
+ "movq 1032(%1, %%esi), %%mm1 \n\t"
+ "movq (%1, %%esi), %%mm2 \n\t"
+ "movq 8(%1, %%esi), %%mm3 \n\t"
+ "psubd %%mm7, %%mm0 \n\t"
+ "psubd %%mm7, %%mm1 \n\t"
+ "psubd %%mm7, %%mm2 \n\t"
+ "psubd %%mm7, %%mm3 \n\t"
+ "packssdw %%mm1, %%mm0 \n\t"
+ "packssdw %%mm3, %%mm2 \n\t"
+ "movq %%mm0, %%mm1 \n\t"
+ "punpcklwd %%mm2, %%mm0 \n\t"
+ "punpckhwd %%mm2, %%mm1 \n\t"
+ "leal (%%esi, %%esi, 2), %%edi \n\t"
+ "movq %%mm6, (%0, %%edi) \n\t"
+ "movd %%mm0, 8(%0, %%edi) \n\t"
+ "punpckhdq %%mm0, %%mm0 \n\t"
+ "movq %%mm6, 12(%0, %%edi) \n\t"
+ "movd %%mm0, 20(%0, %%edi) \n\t"
+ "movq %%mm6, 24(%0, %%edi) \n\t"
+ "movd %%mm1, 32(%0, %%edi) \n\t"
+ "punpckhdq %%mm1, %%mm1 \n\t"
+ "movq %%mm6, 36(%0, %%edi) \n\t"
+ "movd %%mm1, 44(%0, %%edi) \n\t"
+ "addl $16, %%esi \n\t"
+ " jnz 1b \n\t"
+ "emms \n\t"
+ :: "r" (s16+1536), "r" (f+256)
+ :"%esi", "%edi", "memory"
+ );
+ return 6*256;
+}
+
+static int a52_resample_STEREO_LFE_to_6_MMX(float * _f, int16_t * s16){
+ int32_t * f = (int32_t *) _f;
+ asm volatile(
+ "movl $-1024, %%esi \n\t"
+ "movq "MANGLE(magicF2W)", %%mm7 \n\t"
+ "pxor %%mm6, %%mm6 \n\t"
+ "1: \n\t"
+ "movq 1024(%1, %%esi), %%mm0 \n\t"
+ "movq 2048(%1, %%esi), %%mm1 \n\t"
+ "movq (%1, %%esi), %%mm5 \n\t"
+ "psubd %%mm7, %%mm0 \n\t"
+ "psubd %%mm7, %%mm1 \n\t"
+ "psubd %%mm7, %%mm5 \n\t"
+ "leal (%%esi, %%esi, 2), %%edi \n\t"
+
+ "pxor %%mm4, %%mm4 \n\t"
+ "packssdw %%mm5, %%mm0 \n\t" // FfAa
+ "packssdw %%mm4, %%mm1 \n\t" // 00Bb
+ "punpckhwd %%mm0, %%mm4 \n\t" // F0f0
+ "punpcklwd %%mm1, %%mm0 \n\t" // BAba
+ "movq %%mm0, %%mm1 \n\t" // BAba
+ "punpckldq %%mm4, %%mm3 \n\t" // f0XX
+ "punpckldq %%mm6, %%mm0 \n\t" // 00ba
+ "punpckhdq %%mm1, %%mm3 \n\t" // BAf0
+
+ "movq %%mm0, (%0, %%edi) \n\t" // 00ba
+ "punpckhdq %%mm4, %%mm0 \n\t" // F000
+ "movq %%mm3, 8(%0, %%edi) \n\t" // BAf0
+ "movq %%mm0, 16(%0, %%edi) \n\t" // F000
+ "addl $8, %%esi \n\t"
+ " jnz 1b \n\t"
+ "emms \n\t"
+ :: "r" (s16+1536), "r" (f+256)
+ :"%esi", "%edi", "memory"
+ );
+ return 6*256;
+}
+
+static int a52_resample_3F_LFE_to_6_MMX(float * _f, int16_t * s16){
+ int32_t * f = (int32_t *) _f;
+ asm volatile(
+ "movl $-1024, %%esi \n\t"
+ "movq "MANGLE(magicF2W)", %%mm7 \n\t"
+ "pxor %%mm6, %%mm6 \n\t"
+ "1: \n\t"
+ "movq 1024(%1, %%esi), %%mm0 \n\t"
+ "movq 3072(%1, %%esi), %%mm1 \n\t"
+ "movq 2048(%1, %%esi), %%mm4 \n\t"
+ "movq (%1, %%esi), %%mm5 \n\t"
+ "psubd %%mm7, %%mm0 \n\t"
+ "psubd %%mm7, %%mm1 \n\t"
+ "psubd %%mm7, %%mm4 \n\t"
+ "psubd %%mm7, %%mm5 \n\t"
+ "leal (%%esi, %%esi, 2), %%edi \n\t"
+
+ "packssdw %%mm4, %%mm0 \n\t" // EeAa
+ "packssdw %%mm5, %%mm1 \n\t" // FfBb
+ "movq %%mm0, %%mm2 \n\t" // EeAa
+ "punpcklwd %%mm1, %%mm0 \n\t" // BAba
+ "punpckhwd %%mm1, %%mm2 \n\t" // FEfe
+ "movq %%mm0, %%mm1 \n\t" // BAba
+ "punpckldq %%mm6, %%mm0 \n\t" // 00ba
+ "punpckhdq %%mm1, %%mm1 \n\t" // BABA
+
+ "movq %%mm0, (%0, %%edi) \n\t"
+ "punpckhdq %%mm2, %%mm0 \n\t" // FE00
+ "punpckldq %%mm1, %%mm2 \n\t" // BAfe
+ "movq %%mm2, 8(%0, %%edi) \n\t"
+ "movq %%mm0, 16(%0, %%edi) \n\t"
+ "addl $8, %%esi \n\t"
+ " jnz 1b \n\t"
+ "emms \n\t"
+ :: "r" (s16+1536), "r" (f+256)
+ :"%esi", "%edi", "memory"
+ );
+ return 6*256;
+}
+
+static int a52_resample_2F_2R_LFE_to_6_MMX(float * _f, int16_t * s16){
+ int32_t * f = (int32_t *) _f;
+ asm volatile(
+ "movl $-1024, %%esi \n\t"
+ "movq "MANGLE(magicF2W)", %%mm7 \n\t"
+// "pxor %%mm6, %%mm6 \n\t"
+ "1: \n\t"
+ "movq 1024(%1, %%esi), %%mm0 \n\t"
+ "movq 2048(%1, %%esi), %%mm1 \n\t"
+ "movq 3072(%1, %%esi), %%mm2 \n\t"
+ "movq 4096(%1, %%esi), %%mm3 \n\t"
+ "movq (%1, %%esi), %%mm5 \n\t"
+ "psubd %%mm7, %%mm0 \n\t"
+ "psubd %%mm7, %%mm1 \n\t"
+ "psubd %%mm7, %%mm2 \n\t"
+ "psubd %%mm7, %%mm3 \n\t"
+ "psubd %%mm7, %%mm5 \n\t"
+ "leal (%%esi, %%esi, 2), %%edi \n\t"
+
+ "packssdw %%mm2, %%mm0 \n\t" // CcAa
+ "packssdw %%mm3, %%mm1 \n\t" // DdBb
+ "packssdw %%mm5, %%mm5 \n\t" // FfFf
+ "movq %%mm0, %%mm2 \n\t" // CcAa
+ "punpcklwd %%mm1, %%mm0 \n\t" // BAba
+ "punpckhwd %%mm1, %%mm2 \n\t" // DCdc
+ "pxor %%mm4, %%mm4 \n\t" // 0000
+ "punpcklwd %%mm5, %%mm4 \n\t" // F0f0
+ "movq %%mm0, %%mm1 \n\t" // BAba
+ "movq %%mm4, %%mm3 \n\t" // F0f0
+ "punpckldq %%mm2, %%mm0 \n\t" // dcba
+ "punpckhdq %%mm1, %%mm1 \n\t" // BABA
+ "punpckldq %%mm1, %%mm4 \n\t" // BAf0
+ "punpckhdq %%mm3, %%mm2 \n\t" // F0DC
+
+ "movq %%mm0, (%0, %%edi) \n\t"
+ "movq %%mm4, 8(%0, %%edi) \n\t"
+ "movq %%mm2, 16(%0, %%edi) \n\t"
+ "addl $8, %%esi \n\t"
+ " jnz 1b \n\t"
+ "emms \n\t"
+ :: "r" (s16+1536), "r" (f+256)
+ :"%esi", "%edi", "memory"
+ );
+ return 6*256;
+}
+
+static int a52_resample_3F_2R_LFE_to_6_MMX(float * _f, int16_t * s16){
+ int32_t * f = (int32_t *) _f;
+ asm volatile(
+ "movl $-1024, %%esi \n\t"
+ "movq "MANGLE(magicF2W)", %%mm7 \n\t"
+// "pxor %%mm6, %%mm6 \n\t"
+ "1: \n\t"
+ "movq 1024(%1, %%esi), %%mm0 \n\t"
+ "movq 3072(%1, %%esi), %%mm1 \n\t"
+ "movq 4096(%1, %%esi), %%mm2 \n\t"
+ "movq 5120(%1, %%esi), %%mm3 \n\t"
+ "movq 2048(%1, %%esi), %%mm4 \n\t"
+ "movq (%1, %%esi), %%mm5 \n\t"
+ "psubd %%mm7, %%mm0 \n\t"
+ "psubd %%mm7, %%mm1 \n\t"
+ "psubd %%mm7, %%mm2 \n\t"
+ "psubd %%mm7, %%mm3 \n\t"
+ "psubd %%mm7, %%mm4 \n\t"
+ "psubd %%mm7, %%mm5 \n\t"
+ "leal (%%esi, %%esi, 2), %%edi \n\t"
+
+ "packssdw %%mm2, %%mm0 \n\t" // CcAa
+ "packssdw %%mm3, %%mm1 \n\t" // DdBb
+ "packssdw %%mm4, %%mm4 \n\t" // EeEe
+ "packssdw %%mm5, %%mm5 \n\t" // FfFf
+ "movq %%mm0, %%mm2 \n\t" // CcAa
+ "punpcklwd %%mm1, %%mm0 \n\t" // BAba
+ "punpckhwd %%mm1, %%mm2 \n\t" // DCdc
+ "punpcklwd %%mm5, %%mm4 \n\t" // FEfe
+ "movq %%mm0, %%mm1 \n\t" // BAba
+ "movq %%mm4, %%mm3 \n\t" // FEfe
+ "punpckldq %%mm2, %%mm0 \n\t" // dcba
+ "punpckhdq %%mm1, %%mm1 \n\t" // BABA
+ "punpckldq %%mm1, %%mm4 \n\t" // BAfe
+ "punpckhdq %%mm3, %%mm2 \n\t" // FEDC
+
+ "movq %%mm0, (%0, %%edi) \n\t"
+ "movq %%mm4, 8(%0, %%edi) \n\t"
+ "movq %%mm2, 16(%0, %%edi) \n\t"
+ "addl $8, %%esi \n\t"
+ " jnz 1b \n\t"
+ "emms \n\t"
+ :: "r" (s16+1536), "r" (f+256)
+ :"%esi", "%edi", "memory"
+ );
+ return 6*256;
+}
+
+
+static void* a52_resample_MMX(int flags, int ch){
+ switch (flags) {
+ case A52_MONO:
+ if(ch==5) return a52_resample_MONO_to_5_MMX;
+ break;
+ case A52_CHANNEL:
+ case A52_STEREO:
+ case A52_DOLBY:
+ if(ch==2) return a52_resample_STEREO_to_2_MMX;
+ break;
+ case A52_3F:
+ if(ch==5) return a52_resample_3F_to_5_MMX;
+ break;
+ case A52_2F2R:
+ if(ch==4) return a52_resample_2F_2R_to_4_MMX;
+ break;
+ case A52_3F2R:
+ if(ch==5) return a52_resample_3F_2R_to_5_MMX;
+ break;
+ case A52_MONO | A52_LFE:
+ if(ch==6) return a52_resample_MONO_LFE_to_6_MMX;
+ break;
+ case A52_CHANNEL | A52_LFE:
+ case A52_STEREO | A52_LFE:
+ case A52_DOLBY | A52_LFE:
+ if(ch==6) return a52_resample_STEREO_LFE_to_6_MMX;
+ break;
+ case A52_3F | A52_LFE:
+ if(ch==6) return a52_resample_3F_LFE_to_6_MMX;
+ break;
+ case A52_2F2R | A52_LFE:
+ if(ch==6) return a52_resample_2F_2R_LFE_to_6_MMX;
+ break;
+ case A52_3F2R | A52_LFE:
+ if(ch==6) return a52_resample_3F_2R_LFE_to_6_MMX;
+ break;
+ }
+ return NULL;
+}
+
+
diff --git a/contrib/ffmpeg/libavcodec/liba52/tables.h b/contrib/ffmpeg/libavcodec/liba52/tables.h
new file mode 100644
index 000000000..7f921c9d0
--- /dev/null
+++ b/contrib/ffmpeg/libavcodec/liba52/tables.h
@@ -0,0 +1,246 @@
+/*
+ * tables.h
+ * Copyright (C) 2000-2003 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+static const int8_t exp_1[128] = {
+ -2,-2,-2,-2,-2,-2,-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,
+ 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,
+ 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,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 25,25,25
+};
+static const int8_t exp_2[128] = {
+ -2,-2,-2,-2,-2,-1,-1,-1,-1,-1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2,
+ -2,-2,-2,-2,-2,-1,-1,-1,-1,-1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2,
+ -2,-2,-2,-2,-2,-1,-1,-1,-1,-1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2,
+ -2,-2,-2,-2,-2,-1,-1,-1,-1,-1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2,
+ -2,-2,-2,-2,-2,-1,-1,-1,-1,-1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2,
+ 25,25,25
+};
+static const int8_t exp_3[128] = {
+ -2,-1, 0, 1, 2,-2,-1, 0, 1, 2,-2,-1, 0, 1, 2,-2,-1, 0, 1, 2,-2,-1, 0, 1, 2,
+ -2,-1, 0, 1, 2,-2,-1, 0, 1, 2,-2,-1, 0, 1, 2,-2,-1, 0, 1, 2,-2,-1, 0, 1, 2,
+ -2,-1, 0, 1, 2,-2,-1, 0, 1, 2,-2,-1, 0, 1, 2,-2,-1, 0, 1, 2,-2,-1, 0, 1, 2,
+ -2,-1, 0, 1, 2,-2,-1, 0, 1, 2,-2,-1, 0, 1, 2,-2,-1, 0, 1, 2,-2,-1, 0, 1, 2,
+ -2,-1, 0, 1, 2,-2,-1, 0, 1, 2,-2,-1, 0, 1, 2,-2,-1, 0, 1, 2,-2,-1, 0, 1, 2,
+ 25,25,25
+};
+
+#define Q(x) ROUND (32768.0 * x)
+
+#define Q0 Q (-2/3)
+#define Q1 Q (0)
+#define Q2 Q (2/3)
+
+static const quantizer_t q_1_0[32] = {
+ Q0, Q0, Q0, Q0, Q0, Q0, Q0, Q0, Q0,
+ Q1, Q1, Q1, Q1, Q1, Q1, Q1, Q1, Q1,
+ Q2, Q2, Q2, Q2, Q2, Q2, Q2, Q2, Q2,
+ 0, 0, 0, 0, 0
+};
+
+static const quantizer_t q_1_1[32] = {
+ Q0, Q0, Q0, Q1, Q1, Q1, Q2, Q2, Q2,
+ Q0, Q0, Q0, Q1, Q1, Q1, Q2, Q2, Q2,
+ Q0, Q0, Q0, Q1, Q1, Q1, Q2, Q2, Q2,
+ 0, 0, 0, 0, 0
+};
+
+static const quantizer_t q_1_2[32] = {
+ Q0, Q1, Q2, Q0, Q1, Q2, Q0, Q1, Q2,
+ Q0, Q1, Q2, Q0, Q1, Q2, Q0, Q1, Q2,
+ Q0, Q1, Q2, Q0, Q1, Q2, Q0, Q1, Q2,
+ 0, 0, 0, 0, 0
+};
+
+#undef Q0
+#undef Q1
+#undef Q2
+
+#define Q0 Q (-4/5)
+#define Q1 Q (-2/5)
+#define Q2 Q (0)
+#define Q3 Q (2/5)
+#define Q4 Q (4/5)
+
+static const quantizer_t q_2_0[128] = {
+ Q0,Q0,Q0,Q0,Q0,Q0,Q0,Q0,Q0,Q0,Q0,Q0,Q0,Q0,Q0,Q0,Q0,Q0,Q0,Q0,Q0,Q0,Q0,Q0,Q0,
+ Q1,Q1,Q1,Q1,Q1,Q1,Q1,Q1,Q1,Q1,Q1,Q1,Q1,Q1,Q1,Q1,Q1,Q1,Q1,Q1,Q1,Q1,Q1,Q1,Q1,
+ Q2,Q2,Q2,Q2,Q2,Q2,Q2,Q2,Q2,Q2,Q2,Q2,Q2,Q2,Q2,Q2,Q2,Q2,Q2,Q2,Q2,Q2,Q2,Q2,Q2,
+ Q3,Q3,Q3,Q3,Q3,Q3,Q3,Q3,Q3,Q3,Q3,Q3,Q3,Q3,Q3,Q3,Q3,Q3,Q3,Q3,Q3,Q3,Q3,Q3,Q3,
+ Q4,Q4,Q4,Q4,Q4,Q4,Q4,Q4,Q4,Q4,Q4,Q4,Q4,Q4,Q4,Q4,Q4,Q4,Q4,Q4,Q4,Q4,Q4,Q4,Q4,
+ 0,0,0
+};
+
+static const quantizer_t q_2_1[128] = {
+ Q0,Q0,Q0,Q0,Q0,Q1,Q1,Q1,Q1,Q1,Q2,Q2,Q2,Q2,Q2,Q3,Q3,Q3,Q3,Q3,Q4,Q4,Q4,Q4,Q4,
+ Q0,Q0,Q0,Q0,Q0,Q1,Q1,Q1,Q1,Q1,Q2,Q2,Q2,Q2,Q2,Q3,Q3,Q3,Q3,Q3,Q4,Q4,Q4,Q4,Q4,
+ Q0,Q0,Q0,Q0,Q0,Q1,Q1,Q1,Q1,Q1,Q2,Q2,Q2,Q2,Q2,Q3,Q3,Q3,Q3,Q3,Q4,Q4,Q4,Q4,Q4,
+ Q0,Q0,Q0,Q0,Q0,Q1,Q1,Q1,Q1,Q1,Q2,Q2,Q2,Q2,Q2,Q3,Q3,Q3,Q3,Q3,Q4,Q4,Q4,Q4,Q4,
+ Q0,Q0,Q0,Q0,Q0,Q1,Q1,Q1,Q1,Q1,Q2,Q2,Q2,Q2,Q2,Q3,Q3,Q3,Q3,Q3,Q4,Q4,Q4,Q4,Q4,
+ 0,0,0
+};
+
+static const quantizer_t q_2_2[128] = {
+ Q0,Q1,Q2,Q3,Q4,Q0,Q1,Q2,Q3,Q4,Q0,Q1,Q2,Q3,Q4,Q0,Q1,Q2,Q3,Q4,Q0,Q1,Q2,Q3,Q4,
+ Q0,Q1,Q2,Q3,Q4,Q0,Q1,Q2,Q3,Q4,Q0,Q1,Q2,Q3,Q4,Q0,Q1,Q2,Q3,Q4,Q0,Q1,Q2,Q3,Q4,
+ Q0,Q1,Q2,Q3,Q4,Q0,Q1,Q2,Q3,Q4,Q0,Q1,Q2,Q3,Q4,Q0,Q1,Q2,Q3,Q4,Q0,Q1,Q2,Q3,Q4,
+ Q0,Q1,Q2,Q3,Q4,Q0,Q1,Q2,Q3,Q4,Q0,Q1,Q2,Q3,Q4,Q0,Q1,Q2,Q3,Q4,Q0,Q1,Q2,Q3,Q4,
+ Q0,Q1,Q2,Q3,Q4,Q0,Q1,Q2,Q3,Q4,Q0,Q1,Q2,Q3,Q4,Q0,Q1,Q2,Q3,Q4,Q0,Q1,Q2,Q3,Q4,
+ 0,0,0
+};
+
+#undef Q0
+#undef Q1
+#undef Q2
+#undef Q3
+#undef Q4
+
+static const quantizer_t q_3[8] = {
+ Q (-6/7), Q (-4/7), Q (-2/7), Q (0), Q (2/7), Q (4/7), Q (6/7), 0
+};
+
+#define Q0 Q (-10/11)
+#define Q1 Q (-8/11)
+#define Q2 Q (-6/11)
+#define Q3 Q (-4/11)
+#define Q4 Q (-2/11)
+#define Q5 Q (0)
+#define Q6 Q (2/11)
+#define Q7 Q (4/11)
+#define Q8 Q (6/11)
+#define Q9 Q (8/11)
+#define QA Q (10/11)
+
+static const quantizer_t q_4_0[128] = {
+ Q0, Q0, Q0, Q0, Q0, Q0, Q0, Q0, Q0, Q0, Q0,
+ Q1, Q1, Q1, Q1, Q1, Q1, Q1, Q1, Q1, Q1, Q1,
+ Q2, Q2, Q2, Q2, Q2, Q2, Q2, Q2, Q2, Q2, Q2,
+ Q3, Q3, Q3, Q3, Q3, Q3, Q3, Q3, Q3, Q3, Q3,
+ Q4, Q4, Q4, Q4, Q4, Q4, Q4, Q4, Q4, Q4, Q4,
+ Q5, Q5, Q5, Q5, Q5, Q5, Q5, Q5, Q5, Q5, Q5,
+ Q6, Q6, Q6, Q6, Q6, Q6, Q6, Q6, Q6, Q6, Q6,
+ Q7, Q7, Q7, Q7, Q7, Q7, Q7, Q7, Q7, Q7, Q7,
+ Q8, Q8, Q8, Q8, Q8, Q8, Q8, Q8, Q8, Q8, Q8,
+ Q9, Q9, Q9, Q9, Q9, Q9, Q9, Q9, Q9, Q9, Q9,
+ QA, QA, QA, QA, QA, QA, QA, QA, QA, QA, QA,
+ 0, 0, 0, 0, 0, 0, 0
+};
+
+static const quantizer_t q_4_1[128] = {
+ Q0, Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9, QA,
+ Q0, Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9, QA,
+ Q0, Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9, QA,
+ Q0, Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9, QA,
+ Q0, Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9, QA,
+ Q0, Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9, QA,
+ Q0, Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9, QA,
+ Q0, Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9, QA,
+ Q0, Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9, QA,
+ Q0, Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9, QA,
+ Q0, Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9, QA,
+ 0, 0, 0, 0, 0, 0, 0
+};
+
+#undef Q0
+#undef Q1
+#undef Q2
+#undef Q3
+#undef Q4
+#undef Q5
+#undef Q6
+#undef Q7
+#undef Q8
+#undef Q9
+#undef QA
+
+static const quantizer_t q_5[16] = {
+ Q (-14/15), Q (-12/15), Q (-10/15), Q (-8/15), Q (-6/15),
+ Q (-4/15), Q (-2/15), Q (0), Q (2/15), Q (4/15),
+ Q (6/15), Q (8/15), Q (10/15), Q (12/15), Q (14/15), 0
+};
+
+#ifndef LIBA52_FIXED
+static const sample_t scale_factor[25] = {
+ 0.000030517578125,
+ 0.0000152587890625,
+ 0.00000762939453125,
+ 0.000003814697265625,
+ 0.0000019073486328125,
+ 0.00000095367431640625,
+ 0.000000476837158203125,
+ 0.0000002384185791015625,
+ 0.00000011920928955078125,
+ 0.000000059604644775390625,
+ 0.0000000298023223876953125,
+ 0.00000001490116119384765625,
+ 0.000000007450580596923828125,
+ 0.0000000037252902984619140625,
+ 0.00000000186264514923095703125,
+ 0.000000000931322574615478515625,
+ 0.0000000004656612873077392578125,
+ 0.00000000023283064365386962890625,
+ 0.000000000116415321826934814453125,
+ 0.0000000000582076609134674072265625,
+ 0.00000000002910383045673370361328125,
+ 0.000000000014551915228366851806640625,
+ 0.0000000000072759576141834259033203125,
+ 0.00000000000363797880709171295166015625,
+ 0.000000000001818989403545856475830078125
+};
+#endif
+
+static const uint16_t dither_lut[256] = {
+ 0x0000, 0xa011, 0xe033, 0x4022, 0x6077, 0xc066, 0x8044, 0x2055,
+ 0xc0ee, 0x60ff, 0x20dd, 0x80cc, 0xa099, 0x0088, 0x40aa, 0xe0bb,
+ 0x21cd, 0x81dc, 0xc1fe, 0x61ef, 0x41ba, 0xe1ab, 0xa189, 0x0198,
+ 0xe123, 0x4132, 0x0110, 0xa101, 0x8154, 0x2145, 0x6167, 0xc176,
+ 0x439a, 0xe38b, 0xa3a9, 0x03b8, 0x23ed, 0x83fc, 0xc3de, 0x63cf,
+ 0x8374, 0x2365, 0x6347, 0xc356, 0xe303, 0x4312, 0x0330, 0xa321,
+ 0x6257, 0xc246, 0x8264, 0x2275, 0x0220, 0xa231, 0xe213, 0x4202,
+ 0xa2b9, 0x02a8, 0x428a, 0xe29b, 0xc2ce, 0x62df, 0x22fd, 0x82ec,
+ 0x8734, 0x2725, 0x6707, 0xc716, 0xe743, 0x4752, 0x0770, 0xa761,
+ 0x47da, 0xe7cb, 0xa7e9, 0x07f8, 0x27ad, 0x87bc, 0xc79e, 0x678f,
+ 0xa6f9, 0x06e8, 0x46ca, 0xe6db, 0xc68e, 0x669f, 0x26bd, 0x86ac,
+ 0x6617, 0xc606, 0x8624, 0x2635, 0x0660, 0xa671, 0xe653, 0x4642,
+ 0xc4ae, 0x64bf, 0x249d, 0x848c, 0xa4d9, 0x04c8, 0x44ea, 0xe4fb,
+ 0x0440, 0xa451, 0xe473, 0x4462, 0x6437, 0xc426, 0x8404, 0x2415,
+ 0xe563, 0x4572, 0x0550, 0xa541, 0x8514, 0x2505, 0x6527, 0xc536,
+ 0x258d, 0x859c, 0xc5be, 0x65af, 0x45fa, 0xe5eb, 0xa5c9, 0x05d8,
+ 0xae79, 0x0e68, 0x4e4a, 0xee5b, 0xce0e, 0x6e1f, 0x2e3d, 0x8e2c,
+ 0x6e97, 0xce86, 0x8ea4, 0x2eb5, 0x0ee0, 0xaef1, 0xeed3, 0x4ec2,
+ 0x8fb4, 0x2fa5, 0x6f87, 0xcf96, 0xefc3, 0x4fd2, 0x0ff0, 0xafe1,
+ 0x4f5a, 0xef4b, 0xaf69, 0x0f78, 0x2f2d, 0x8f3c, 0xcf1e, 0x6f0f,
+ 0xede3, 0x4df2, 0x0dd0, 0xadc1, 0x8d94, 0x2d85, 0x6da7, 0xcdb6,
+ 0x2d0d, 0x8d1c, 0xcd3e, 0x6d2f, 0x4d7a, 0xed6b, 0xad49, 0x0d58,
+ 0xcc2e, 0x6c3f, 0x2c1d, 0x8c0c, 0xac59, 0x0c48, 0x4c6a, 0xec7b,
+ 0x0cc0, 0xacd1, 0xecf3, 0x4ce2, 0x6cb7, 0xcca6, 0x8c84, 0x2c95,
+ 0x294d, 0x895c, 0xc97e, 0x696f, 0x493a, 0xe92b, 0xa909, 0x0918,
+ 0xe9a3, 0x49b2, 0x0990, 0xa981, 0x89d4, 0x29c5, 0x69e7, 0xc9f6,
+ 0x0880, 0xa891, 0xe8b3, 0x48a2, 0x68f7, 0xc8e6, 0x88c4, 0x28d5,
+ 0xc86e, 0x687f, 0x285d, 0x884c, 0xa819, 0x0808, 0x482a, 0xe83b,
+ 0x6ad7, 0xcac6, 0x8ae4, 0x2af5, 0x0aa0, 0xaab1, 0xea93, 0x4a82,
+ 0xaa39, 0x0a28, 0x4a0a, 0xea1b, 0xca4e, 0x6a5f, 0x2a7d, 0x8a6c,
+ 0x4b1a, 0xeb0b, 0xab29, 0x0b38, 0x2b6d, 0x8b7c, 0xcb5e, 0x6b4f,
+ 0x8bf4, 0x2be5, 0x6bc7, 0xcbd6, 0xeb83, 0x4b92, 0x0bb0, 0xaba1
+};
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-26 11:10:16 +0000