shine: Forward port of fixed integer MP3 encoder.
authorJean-Paul Saman <jpsaman@videolan.org>
Fri, 30 Jan 2009 13:28:24 +0000 (14:28 +0100)
committerJean-Paul Saman <jpsaman@videolan.org>
Fri, 30 Jan 2009 20:22:52 +0000 (21:22 +0100)
The fixed integer MP3 encoder shine originates from the RockBox project. It was then adapted for vlc in branch 0.8.6-neuros.

NEWS
configure.ac
modules/codec/Modules.am
modules/codec/shine/Modules.am [new file with mode: 0644]
modules/codec/shine/enc_base.h [new file with mode: 0644]
modules/codec/shine/shine.c [new file with mode: 0644]
modules/codec/shine/shine_mod.c [new file with mode: 0644]

diff --git a/NEWS b/NEWS
index fb073d3..c4ccf52 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -24,6 +24,7 @@ Demuxers:
 
 Encoders:
  * Dirac encoding using libdirac (supported in Ogg and in TS)
+ * Shine mp3 fixed point encoder
 
 Access:
  * RTSP authentication with Darwin Streaming Server
index eba8e6f..3340228 100644 (file)
@@ -2902,6 +2902,16 @@ then
   VLC_ADD_PLUGIN([wma_fixed])
 fi
 
+dnl
+dnl shine fixed point mp3 encoder
+dnl
+AC_ARG_ENABLE(shine,
+  [  --enable-shine          shine mp3 encoding module (default disabled)])
+if test "${enable_shine}" = "yes"
+then
+  VLC_ADD_PLUGIN([shine])
+fi
+
 dnl
 dnl  mad plugin
 dnl
@@ -5917,6 +5927,7 @@ AC_CONFIG_FILES([
   modules/codec/avcodec/Makefile
   modules/codec/cmml/Makefile
   modules/codec/dmo/Makefile
+  modules/codec/shine/Makefile
   modules/codec/subtitles/Makefile
   modules/codec/spudec/Makefile
   modules/codec/wmafixed/Makefile
index 9079d63..1fff3e8 100644 (file)
@@ -1,4 +1,4 @@
-SUBDIRS = cmml dmo avcodec subtitles spudec wmafixed xvmc
+SUBDIRS = cmml dmo avcodec shine subtitles spudec wmafixed xvmc
 SOURCES_a52 = a52.c
 SOURCES_dts = dts.c
 SOURCES_flac = flac.c
diff --git a/modules/codec/shine/Modules.am b/modules/codec/shine/Modules.am
new file mode 100644 (file)
index 0000000..ff8af88
--- /dev/null
@@ -0,0 +1 @@
+SOURCES_shine = shine_mod.c
diff --git a/modules/codec/shine/enc_base.h b/modules/codec/shine/enc_base.h
new file mode 100644 (file)
index 0000000..67cb41e
--- /dev/null
@@ -0,0 +1,301 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Base declarations for working with software encoders
+ *
+ * Copyright (C) 2006 Michael Sevakis
+ *
+ * This program 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.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#ifndef ENC_BASE_H
+#define ENC_BASE_H
+
+/* firmware/export/system.h */
+/* return p incremented by specified number of bytes */
+#define SKIPBYTES(p, count) ((typeof (p))((char *)(p) + (count)))
+
+#define P2_M1(p2)  ((1 << (p2))-1)
+
+/* align up or down to nearest 2^p2 */
+#define ALIGN_DOWN_P2(n, p2) ((n) & ~P2_M1(p2))
+#define ALIGN_UP_P2(n, p2)   ALIGN_DOWN_P2((n) + P2_M1(p2),p2)
+/* end of firmware/export/system.h */
+
+/** encoder config structures **/
+
+/** aiff_enc.codec **/
+struct aiff_enc_config
+{
+#if 0
+    unsigned long sample_depth;
+#endif
+};
+
+/** mp3_enc.codec **/
+#define MP3_BITR_CAP_8      (1 << 0)
+#define MP3_BITR_CAP_16     (1 << 1)
+#define MP3_BITR_CAP_24     (1 << 2)
+#define MP3_BITR_CAP_32     (1 << 3)
+#define MP3_BITR_CAP_40     (1 << 4)
+#define MP3_BITR_CAP_48     (1 << 5)
+#define MP3_BITR_CAP_56     (1 << 6)
+#define MP3_BITR_CAP_64     (1 << 7)
+#define MP3_BITR_CAP_80     (1 << 8)
+#define MP3_BITR_CAP_96     (1 << 9)
+#define MP3_BITR_CAP_112    (1 << 10)
+#define MP3_BITR_CAP_128    (1 << 11)
+#define MP3_BITR_CAP_144    (1 << 12)
+#define MP3_BITR_CAP_160    (1 << 13)
+#define MP3_BITR_CAP_192    (1 << 14)
+#define MP3_BITR_CAP_224    (1 << 15)
+#define MP3_BITR_CAP_256    (1 << 16)
+#define MP3_BITR_CAP_320    (1 << 17)
+#define MP3_ENC_NUM_BITR    18
+
+/* MPEG 1 */
+#define MPEG1_SAMPR_CAPS    (SAMPR_CAP_32 | SAMPR_CAP_48 | SAMPR_CAP_44)
+#define MPEG1_BITR_CAPS     (MP3_BITR_CAP_32  | MP3_BITR_CAP_40  | MP3_BITR_CAP_48  | \
+                             MP3_BITR_CAP_56  | MP3_BITR_CAP_64  | MP3_BITR_CAP_80  | \
+                             MP3_BITR_CAP_96  | MP3_BITR_CAP_112 | MP3_BITR_CAP_128 | \
+                             MP3_BITR_CAP_160 | MP3_BITR_CAP_192 | MP3_BITR_CAP_224 | \
+                             MP3_BITR_CAP_256 | MP3_BITR_CAP_320)
+
+/* MPEG 2 */
+#define MPEG2_SAMPR_CAPS    (SAMPR_CAP_22 | SAMPR_CAP_24 | SAMPR_CAP_16)
+#define MPEG2_BITR_CAPS     (MP3_BITR_CAP_8   | MP3_BITR_CAP_16  | MP3_BITR_CAP_24  | \
+                             MP3_BITR_CAP_32  | MP3_BITR_CAP_40  | MP3_BITR_CAP_48  | \
+                             MP3_BITR_CAP_56  | MP3_BITR_CAP_64  | MP3_BITR_CAP_80  | \
+                             MP3_BITR_CAP_96  | MP3_BITR_CAP_112 | MP3_BITR_CAP_128 | \
+                             MP3_BITR_CAP_144 | MP3_BITR_CAP_160)
+
+#if 0
+/* MPEG 2.5 */
+#define MPEG2_5_SAMPR_CAPS  (SAMPR_CAP_8  | SAMPR_CAP_12 | SAMPR_CAP_11)
+#define MPEG2_5_BITR_CAPS   MPEG2_BITR_CAPS
+#endif
+
+#if 0
+/* HAVE_MPEG* defines mainly apply to the bitrate menu */
+#if (REC_SAMPR_CAPS & MPEG1_SAMPR_CAPS) || defined (HAVE_SPDIF_REC)
+#define HAVE_MPEG1_SAMPR
+#endif
+
+#if (REC_SAMPR_CAPS & MPEG2_SAMPR_CAPS) || defined (HAVE_SPDIF_REC)
+#define HAVE_MPEG2_SAMPR
+#endif
+#endif
+
+#if 0
+#if (REC_SAMPR_CAPS & MPEG2_5_SAMPR_CAPS) || defined (HAVE_SPDIF_REC)
+#define HAVE_MPEG2_5_SAMPR
+#endif
+#endif /* 0 */
+
+#define MP3_ENC_SAMPR_CAPS      (MPEG1_SAMPR_CAPS | MPEG2_SAMPR_CAPS)
+
+/* This number is count of full encoder set */
+#define MP3_ENC_NUM_SAMPR       6
+
+extern const unsigned long mp3_enc_sampr[MP3_ENC_NUM_SAMPR];
+extern const unsigned long mp3_enc_bitr[MP3_ENC_NUM_BITR];
+
+struct mp3_enc_config
+{
+    unsigned long bitrate;
+};
+
+#define MP3_ENC_BITRATE_CFG_DEFAULT     11 /* 128 */
+#define MP3_ENC_BITRATE_CFG_VALUE_LIST  "8,16,24,32,40,48,56,64,80,96," \
+                                        "112,128,144,160,192,224,256,320"
+
+/** wav_enc.codec **/
+#define WAV_ENC_SAMPR_CAPS      SAMPR_CAP_ALL
+
+struct wav_enc_config
+{
+#if 0
+    unsigned long sample_depth;
+#endif
+};
+
+/** wavpack_enc.codec **/
+#define WAVPACK_ENC_SAMPR_CAPS  SAMPR_CAP_ALL
+
+struct wavpack_enc_config
+{
+#if 0
+    unsigned long sample_depth;
+#endif
+};
+
+struct encoder_config
+{
+    union
+    {
+        /* states which *_enc_config member is valid */
+        int rec_format; /* REC_FORMAT_* value */
+        int afmt;       /* AFMT_* value       */
+    };
+
+    union
+    {
+        struct mp3_enc_config     mp3_enc;
+        struct wavpack_enc_config wavpack_enc;
+        struct wav_enc_config     wav_enc;
+    };
+};
+
+/** Encoder chunk macros and definitions **/
+#define CHUNKF_START_FILE 0x0001ul /* This chunk starts a new file         */
+#define CHUNKF_END_FILE   0x0002ul /* This chunk ends the current file     */
+#define CHUNKF_PRERECORD  0x0010ul /* This chunk is prerecord data,
+                                      a new file could start anytime       */
+#define CHUNKF_ABORT      0x0020ul /* Encoder should not finish this
+                                      chunk                                */
+#define CHUNKF_ERROR    (~0ul ^ (~0ul >> 1)) /* An error has occured
+                                      (passed to/from encoder). Use the
+                                      sign bit to check (long)flags < 0.   */
+#define CHUNKF_ALLFLAGS (0x0033ul | CHUNKF_ERROR)
+
+/* Header at the beginning of every encoder chunk */
+#ifdef DEBUG
+#define ENC_CHUNK_MAGIC H_TO_BE32(('P' << 24) | ('T' << 16) | ('Y' << 8) | 'R')
+#endif
+struct enc_chunk_hdr
+{
+#ifdef DEBUG
+    unsigned long id;         /* overflow detection - 'PTYR' - acronym for
+                                 "PTYR Tells You Right" ;)                 */
+#endif
+    unsigned long flags;      /* in/out: flags used by encoder and file
+                                         writing                           */
+    size_t        enc_size;   /* out:    amount of encoder data written to
+                                         chunk                             */
+    unsigned long num_pcm;    /* out:    number of PCM samples eaten during
+                                         processing
+                                         (<= size of allocated buffer)     */
+    unsigned char *enc_data;  /* out:    pointer to enc_size_written bytes
+                                         of encoded audio data in chunk    */
+    /* Encoder defined data follows header. Can be audio data + any other
+       stuff the encoder needs to handle on a per chunk basis */
+};
+
+/* Paranoia: be sure header size is 4-byte aligned */
+#define ENC_CHUNK_HDR_SIZE \
+            ALIGN_UP_P2(sizeof (struct enc_chunk_hdr), 2)
+/* Skip the chunk header and return data */
+#define ENC_CHUNK_SKIP_HDR(t, hdr) \
+            ((typeof (t))((char *)hdr + ENC_CHUNK_HDR_SIZE))
+/* Cast p to struct enc_chunk_hdr * */
+#define ENC_CHUNK_HDR(p) \
+            ((struct enc_chunk_hdr *)(p))
+
+enum enc_events
+{
+    /* File writing events - data points to enc_file_event_data            */
+    ENC_START_FILE = 0,  /* a new file has been opened and no data has yet
+                            been written                                   */
+    ENC_WRITE_CHUNK,     /* write the current chunk to disk                */
+    ENC_END_FILE,        /* current file about to be closed and all valid
+                            data has been written                          */
+    /* Encoder buffer events - data points to enc_buffer_event_data        */
+    ENC_REC_NEW_STREAM,  /* Take steps to finish current stream and start
+                            new                                            */
+};
+
+/**
+ * encoder can write extra data to the file such as headers or more encoded
+ * samples and must update sizes and samples accordingly.
+ */
+struct enc_file_event_data
+{
+    struct enc_chunk_hdr *chunk;   /* Current chunk                        */
+    size_t        new_enc_size;    /* New size of chunk                    */
+    unsigned long new_num_pcm;     /* New number of pcm in chunk           */
+    const char   *filename;        /* filename to open if ENC_START_FILE   */
+    int           rec_file;        /* Current file or < 0 if none          */
+    unsigned long num_pcm_samples; /* Current pcm sample count written to
+                                      file so far.                         */
+};
+
+/**
+ * encoder may add some data to the end of the last and start of the next
+ * but must never yield when called so any encoding done should be absolutely
+ * minimal.
+ */
+struct enc_buffer_event_data
+{
+    unsigned long         flags;       /* in: One or more of:
+                                        *     CHUNKF_PRERECORD
+                                        *     CHUNKF_END_FILE
+                                        *     CHUNKF_START_FILE
+                                        */
+    struct enc_chunk_hdr *pre_chunk;   /* in: pointer to first prerecord
+                                        *     chunk
+                                        */
+    struct enc_chunk_hdr *chunk;       /* in,out: chunk were split occurs -
+                                        *         first chunk of start
+                                        */
+};
+
+/** Callbacks called by encoder codec **/
+
+/* parameters passed to encoder by enc_get_inputs */
+struct enc_inputs
+{
+    unsigned long sample_rate;     /* out - pcm frequency                  */
+    int           num_channels;    /* out - number of audio channels       */
+    struct encoder_config *config; /* out - encoder settings               */
+};
+
+void enc_get_inputs(struct enc_inputs *inputs);
+
+/* parameters pass from encoder to enc_set_parameters */
+struct enc_parameters
+{
+    /* IN parameters */
+    int           afmt;            /* AFMT_* id - sanity checker           */
+    size_t        chunk_size;      /* max chunk size required              */
+    unsigned long enc_sample_rate; /* actual sample rate used by encoder
+                                      (for recorded time calculation)      */
+    size_t        reserve_bytes;   /* number of bytes to reserve immediately
+                                      following chunks                     */
+    void (*events_callback)(enum enc_events event,
+                            void *data); /*  pointer to events callback    */
+    /* OUT parameters */
+    unsigned char *enc_buffer;     /* pointer to enc_buffer                */
+    size_t         buf_chunk_size; /* size of chunks in enc_buffer         */
+    int            num_chunks;     /* number of chunks allotted to encoder */
+    unsigned char *reserve_buffer; /* pointer to reserve_bytes bytes       */
+};
+
+/* set the encoder dimensions - called by encoder codec at initialization
+   and termination */
+void   enc_set_parameters(struct enc_parameters *params);
+/* returns pointer to next write chunk in circular buffer */
+struct enc_chunk_hdr * enc_get_chunk(void);
+/* releases the current chunk into the available chunks */
+void   enc_finish_chunk(void);
+
+#define PCM_MAX_FEED_SIZE       20000 /* max pcm size passed to encoder    */
+
+/* passes a pointer to next chunk of unprocessed wav data */
+unsigned char * enc_get_pcm_data(size_t size);
+/* puts some pcm data back in the queue */
+size_t          enc_unget_pcm_data(size_t size);
+
+#endif /* ENC_BASE_H */
diff --git a/modules/codec/shine/shine.c b/modules/codec/shine/shine.c
new file mode 100644 (file)
index 0000000..8a1fdf6
--- /dev/null
@@ -0,0 +1,2387 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2006 Antonius Hellmann
+ *
+ * This program 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.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+//    Shine is an MP3 encoder
+//    Copyright (C) 1999-2000  Gabriel Bouvigne
+//
+//    This library is free software; you can redistribute it and/or
+//    modify it under the terms of the GNU Library General Public
+//    License as published by the Free Software Foundation; either
+//    version 2 of the License, or (at your option) any later version.
+//
+//    This library 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
+//    Library General Public License for more details.
+
+#define IBSS_ATTR
+
+#ifdef WORDS_BIGENDIAN
+#define ROCKBOX_BIG_ENDIAN
+#else
+#define ROCKBOX_LITTLE_ENDIAN
+#endif
+
+#include <stdbool.h>
+#include <stdlib.h>
+#include <inttypes.h>
+#include <string.h>
+#include <limits.h>
+#include "../wmafixed/bswap.h"
+#include "enc_base.h"
+
+#define ENC_PADDING_FRAMES1        2
+#define ENC_PADDING_FRAMES2        4
+#define ENC_DELAY_SAMP           576
+#define ENC_DELAY_SIZE          (ENC_DELAY_SAMP*4)
+#define SAMP_PER_FRAME1         1152
+#define SAMP_PER_FRAME2          576
+#define PCM_CHUNK_SIZE1         (SAMP_PER_FRAME1*4)
+#define PCM_CHUNK_SIZE2         (SAMP_PER_FRAME2*4)
+#define SAMPL2                576
+#define SBLIMIT                32
+#define HTN                    16
+
+#define putlong(c, s)  if(s+sz <= 32) { cc = (cc << s) | c;      sz+= s; } \
+                       else           { putbits(cc, sz); cc = c; sz = s; }
+
+typedef struct {
+    int   type; /* 0=(MPEG2 - 22.05,24,16kHz) 1=(MPEG1 - 44.1,48,32kHz) */
+    int   mode; /* 0=stereo, 1=jstereo, 2=dual, 3=mono  */
+    int   bitrate;
+    int   padding;
+    int   num_bands;
+    long  bitr_id;
+    int   smpl_id;
+} mpeg_t;
+
+/* Side information */
+typedef struct {
+    uint32_t part2_3_length;
+    int    count1;          /* number of 0-1-quadruples  */
+    uint32_t global_gain;
+    uint32_t table_select[4];
+    uint32_t region_0_1;
+    uint32_t address1;
+    uint32_t address2;
+    uint32_t address3;
+    long     quantStep;
+    long     additStep;
+    uint32_t max_val;
+} side_info_t;
+
+typedef struct {
+    side_info_t       cod_info[2][2];
+    mpeg_t            mpg;
+    long              frac_per_frame;
+    long              byte_per_frame;
+    long              slot_lag;
+    int               sideinfo_len;
+    int               mean_bits;
+    int               ResvSize;
+    int               channels;
+    int               granules;
+    long              samplerate;
+} config_t;
+
+typedef struct {
+    int       bitpos;   /* current bitpos for writing */
+    uint32_t  bbuf[263];
+} BF_Data;
+
+struct huffcodetab {
+  int            len;    /* max. index                  */
+  const uint8_t  *table; /* pointer to array[len][len]  */
+  const uint8_t  *hlen;  /* pointer to array[len][len]  */
+};
+
+struct huffcodebig {
+  int          len;     /* max. index                   */
+  int          linbits; /* number of linbits            */
+  int          linmax;  /* max number stored in linbits */
+};
+
+#define shft4(x)    ((x +     8) >>  4)
+#define shft9(x)    ((x +   256) >>  9)
+#define shft13(x)   ((x +  4096) >> 13)
+#define shft15(x)   ((x + 16384) >> 15)
+#define shft16(x)   ((x + 32768) >> 16)
+#define shft_n(x,n) ((x) >> n)
+#define SQRT        724 /* sqrt(2) * 512 */
+
+static short     mfbuf       [2*(1152+512)]      IBSS_ATTR; /*  3328 Bytes */
+static int       sb_data     [2][2][18][SBLIMIT] IBSS_ATTR; /* 13824 Bytes */
+static int       mdct_freq   [SAMPL2]            IBSS_ATTR; /*  2304 Bytes */
+static char      mdct_sign   [SAMPL2]            IBSS_ATTR; /*   576 Bytes */
+static short     enc_data    [SAMPL2]            IBSS_ATTR; /*  1152 Bytes */
+static uint32_t  scalefac    [23]                IBSS_ATTR; /*    92 Bytes */
+static BF_Data   CodedData                       IBSS_ATTR; /*  1056 Bytes */
+static int       ca          [8]                 IBSS_ATTR; /*    32 Bytes */
+static int       cs          [8]                 IBSS_ATTR; /*    32 Bytes */
+static int       cx          [9]                 IBSS_ATTR; /*    36 Bytes */
+static int       win         [18][4]             IBSS_ATTR; /*   288 Bytes */
+static short     enwindow    [15*27+24]          IBSS_ATTR; /*   862 Bytes */
+static short     int2idx     [4096]              IBSS_ATTR; /*  8192 Bytes */
+static uint8_t   ht_count    [2][2][16]          IBSS_ATTR; /*    64 Bytes */
+static uint32_t  tab01       [ 16]               IBSS_ATTR; /*    64 Bytes */
+static uint32_t  tab23       [  9]               IBSS_ATTR; /*    36 Bytes */
+static uint32_t  tab56       [ 16]               IBSS_ATTR; /*    64 Bytes */
+static uint32_t  tab1315     [256]               IBSS_ATTR; /*  1024 Bytes */
+static uint32_t  tab1624     [256]               IBSS_ATTR; /*  1024 Bytes */
+static uint32_t  tab789      [ 36]               IBSS_ATTR; /*   144 Bytes */
+static uint32_t  tabABC      [ 64]               IBSS_ATTR; /*   256 Bytes */
+static uint8_t   t1HB        [  4]               IBSS_ATTR;
+static uint8_t   t2HB        [  9]               IBSS_ATTR;
+static uint8_t   t3HB        [  9]               IBSS_ATTR;
+static uint8_t   t5HB        [ 16]               IBSS_ATTR;
+static uint8_t   t6HB        [ 16]               IBSS_ATTR;
+static uint8_t   t7HB        [ 36]               IBSS_ATTR;
+static uint8_t   t8HB        [ 36]               IBSS_ATTR;
+static uint8_t   t9HB        [ 36]               IBSS_ATTR;
+static uint8_t   t10HB       [ 64]               IBSS_ATTR;
+static uint8_t   t11HB       [ 64]               IBSS_ATTR;
+static uint8_t   t12HB       [ 64]               IBSS_ATTR;
+static uint8_t   t13HB       [256]               IBSS_ATTR;
+static uint8_t   t15HB       [256]               IBSS_ATTR;
+static uint16_t  t16HB       [256]               IBSS_ATTR;
+static uint16_t  t24HB       [256]               IBSS_ATTR;
+static uint8_t   t1l         [  8]               IBSS_ATTR;
+static uint8_t   t2l         [  9]               IBSS_ATTR;
+static uint8_t   t3l         [  9]               IBSS_ATTR;
+static uint8_t   t5l         [ 16]               IBSS_ATTR;
+static uint8_t   t6l         [ 16]               IBSS_ATTR;
+static uint8_t   t7l         [ 36]               IBSS_ATTR;
+static uint8_t   t8l         [ 36]               IBSS_ATTR;
+static uint8_t   t9l         [ 36]               IBSS_ATTR;
+static uint8_t   t10l        [ 64]               IBSS_ATTR;
+static uint8_t   t11l        [ 64]               IBSS_ATTR;
+static uint8_t   t12l        [ 64]               IBSS_ATTR;
+static uint8_t   t13l        [256]               IBSS_ATTR;
+static uint8_t   t15l        [256]               IBSS_ATTR;
+static uint8_t   t16l        [256]               IBSS_ATTR;
+static uint8_t   t24l        [256]               IBSS_ATTR;
+static struct huffcodetab ht [HTN]               IBSS_ATTR;
+
+static unsigned pcm_chunk_size                   IBSS_ATTR;
+static unsigned samp_per_frame                   IBSS_ATTR;
+
+static config_t          cfg                     IBSS_ATTR;
+//static char             *res_buffer;
+static int32_t           err                     IBSS_ATTR;
+static uint8_t           band_scale_f[22];
+
+static const uint8_t ht_count_const[2][2][16] =
+{ { { 1,  5,  4,  5,  6,  5, 4, 4, 7, 3, 6, 0, 7, 2, 3, 1 },     /* table0 */
+    { 1,  5,  5,  7,  5,  8, 7, 9, 5, 7, 7, 9, 7, 9, 9,10 } },   /* hleng0 */
+  { {15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0 },     /* table1 */
+    { 4,  5,  5,  6,  5,  6, 6, 7, 5, 6, 6, 7, 6, 7, 7, 8 } } }; /* hleng1 */
+
+static const uint8_t  t1HB_const[4]  = {1,1,1,0};
+static const uint8_t  t2HB_const[9]  = {1,2,1,3,1,1,3,2,0};
+static const uint8_t  t3HB_const[9]  = {3,2,1,1,1,1,3,2,0};
+static const uint8_t  t5HB_const[16] = {1,2,6,5,3,1,4,4,7,5,7,1,6,1,1,0};
+static const uint8_t  t6HB_const[16] = {7,3,5,1,6,2,3,2,5,4,4,1,3,3,2,0};
+
+static const uint8_t  t7HB_const[36] =
+{  1, 2,10,19,16,10, 3, 3, 7,10, 5, 3,11, 4,13,17, 8, 4,
+  12,11,18,15,11, 2, 7, 6, 9,14, 3, 1, 6, 4, 5, 3, 2, 0 };
+
+static const uint8_t  t8HB_const[36] =
+{  3, 4, 6,18,12, 5, 5, 1, 2,16, 9, 3, 7, 3, 5,14, 7, 3,
+  19,17,15,13,10, 4,13, 5, 8,11, 5, 1,12, 4, 4, 1, 1, 0 };
+
+static const uint8_t  t9HB_const[36] =
+{  7, 5, 9,14,15, 7, 6, 4, 5, 5, 6, 7, 7, 6, 8, 8, 8, 5,
+  15, 6, 9,10, 5, 1,11, 7, 9, 6, 4, 1,14, 4, 6, 2, 6, 0 };
+
+static const uint8_t t10HB_const[64] =
+{1,2,10,23,35,30,12,17,3,3,8,12,18,21,12,7,11,9,15,21,32,
+ 40,19,6,14,13,22,34,46,23,18,7,20,19,33,47,27,22,9,3,31,22,
+ 41,26,21,20,5,3,14,13,10,11,16,6,5,1,9,8,7,8,4,4,2,0 };
+
+static const uint8_t t11HB_const[64] =
+{3,4,10,24,34,33,21,15,5,3,4,10,32,17,11,10,11,7,13,18,30,
+ 31,20,5,25,11,19,59,27,18,12,5,35,33,31,58,30,16,7,5,28,26,
+ 32,19,17,15,8,14,14,12,9,13,14,9,4,1,11,4,6,6,6,3,2,0 };
+
+static const uint8_t t12HB_const[64] =
+{9,6,16,33,41,39,38,26,7,5,6,9,23,16,26,11,17,7,11,14,21,
+30,10,7,17,10,15,12,18,28,14,5,32,13,22,19,18,16,9,5,40,17,
+31,29,17,13,4,2,27,12,11,15,10,7,4,1,27,12,8,12,6,3,1,0 };
+
+static const uint8_t t13HB_const[256] =
+{1,5,14,21,34,51,46,71,42,52,68,52,67,44,43,19,3,4,12,19,31,26,44,33,31,24,32,
+ 24,31,35,22,14,15,13,23,36,59,49,77,65,29,40,30,40,27,33,42,16,22,20,37,61,56,
+ 79,73,64,43,76,56,37,26,31,25,14,35,16,60,57,97,75,114,91,54,73,55,41,48,53,
+ 23,24,58,27,50,96,76,70,93,84,77,58,79,29,74,49,41,17,47,45,78,74,115,94,90,
+ 79,69,83,71,50,59,38,36,15,72,34,56,95,92,85,91,90,86,73,77,65,51,44,43,42,43,
+ 20,30,44,55,78,72,87,78,61,46,54,37,30,20,16,53,25,41,37,44,59,54,81,66,76,57,
+ 54,37,18,39,11,35,33,31,57,42,82,72,80,47,58,55,21,22,26,38,22,53,25,23,38,70,
+ 60,51,36,55,26,34,23,27,14,9,7,34,32,28,39,49,75,30,52,48,40,52,28,18,17,9,5,
+ 45,21,34,64,56,50,49,45,31,19,12,15,10,7,6,3,48,23,20,39,36,35,53,21,16,23,13,
+ 10,6,1,4,2,16,15,17,27,25,20,29,11,17,12,16,8,1,1,0,1 };
+
+static const uint8_t t15HB_const[256] =
+{7,12,18,53,47,76,124,108,89,123,108,119,107,81,122,63,13,5,16,27,46,36,61,51,
+ 42,70,52,83,65,41,59,36,19,17,15,24,41,34,59,48,40,64,50,78,62,80,56,33,29,28,
+ 25,43,39,63,55,93,76,59,93,72,54,75,50,29,52,22,42,40,67,57,95,79,72,57,89,69,
+ 49,66,46,27,77,37,35,66,58,52,91,74,62,48,79,63,90,62,40,38,125,32,60,56,50,
+ 92,78,65,55,87,71,51,73,51,70,30,109,53,49,94,88,75,66,122,91,73,56,42,64,44,
+ 21,25,90,43,41,77,73,63,56,92,77,66,47,67,48,53,36,20,71,34,67,60,58,49,88,76,
+ 67,106,71,54,38,39,23,15,109,53,51,47,90,82,58,57,48,72,57,41,23,27,62,9,86,
+ 42,40,37,70,64,52,43,70,55,42,25,29,18,11,11,118,68,30,55,50,46,74,65,49,39,
+ 24,16,22,13,14,7,91,44,39,38,34,63,52,45,31,52,28,19,14,8,9,3,123,60,58,53,47,
+ 43,32,22,37,24,17,12,15,10,2,1,71,37,34,30,28,20,17,26,21,16,10,6,8,6,2,0};
+
+static const uint16_t t16HB_const[256] =
+{1,5,14,44,74,63,110,93,172,149,138,242,225,195,376,17,3,4,12,20,35,62,53,47,
+ 83,75,68,119,201,107,207,9,15,13,23,38,67,58,103,90,161,72,127,117,110,209,
+ 206,16,45,21,39,69,64,114,99,87,158,140,252,212,199,387,365,26,75,36,68,65,
+ 115,101,179,164,155,264,246,226,395,382,362,9,66,30,59,56,102,185,173,265,142,
+ 253,232,400,388,378,445,16,111,54,52,100,184,178,160,133,257,244,228,217,385,
+ 366,715,10,98,48,91,88,165,157,148,261,248,407,397,372,380,889,884,8,85,84,81,
+ 159,156,143,260,249,427,401,392,383,727,713,708,7,154,76,73,141,131,256,245,
+ 426,406,394,384,735,359,710,352,11,139,129,67,125,247,233,229,219,393,743,737,
+ 720,885,882,439,4,243,120,118,115,227,223,396,746,742,736,721,712,706,223,436,
+ 6,202,224,222,218,216,389,386,381,364,888,443,707,440,437,1728,4,747,211,210,
+ 208,370,379,734,723,714,1735,883,877,876,3459,865,2,377,369,102,187,726,722,
+ 358,711,709,866,1734,871,3458,870,434,0,12,10,7,11,10,17,11,9,13,12,10,7,5,3,
+ 1,3};
+
+static const uint16_t t24HB_const[256] =
+{15,13,46,80,146,262,248,434,426,669,653,649,621,517,1032,88,14,12,21,38,71,
+ 130,122,216,209,198,327,345,319,297,279,42,47,22,41,74,68,128,120,221,207,194,
+ 182,340,315,295,541,18,81,39,75,70,134,125,116,220,204,190,178,325,311,293,
+ 271,16,147,72,69,135,127,118,112,210,200,188,352,323,306,285,540,14,263,66,
+ 129,126,119,114,214,202,192,180,341,317,301,281,262,12,249,123,121,117,113,
+ 215,206,195,185,347,330,308,291,272,520,10,435,115,111,109,211,203,196,187,
+ 353,332,313,298,283,531,381,17,427,212,208,205,201,193,186,177,169,320,303,
+ 286,268,514,377,16,335,199,197,191,189,181,174,333,321,305,289,275,521,379,
+ 371,11,668,184,183,179,175,344,331,314,304,290,277,530,383,373,366,10,652,346,
+ 171,168,164,318,309,299,287,276,263,513,375,368,362,6,648,322,316,312,307,302,
+ 292,284,269,261,512,376,370,364,359,4,620,300,296,294,288,282,273,266,515,380,
+ 374,369,365,361,357,2,1033,280,278,274,267,264,259,382,378,372,367,363,360,
+ 358,356,0,43,20,19,17,15,13,11,9,7,6,4,7,5,3,1,3};
+
+static const uint32_t tab1315_const[256] =
+{ 0x010003,0x050005,0x070006,0x080008,0x090008,0x0a0009,0x0a000a,0x0b000a,
+  0x0a000a,0x0b000b,0x0c000b,0x0c000c,0x0d000c,0x0d000c,0x0e000d,0x0e000e,
+  0x040005,0x060005,0x080007,0x090008,0x0a0009,0x0a0009,0x0b000a,0x0b000a,
+  0x0b000a,0x0b000b,0x0c000b,0x0c000c,0x0d000c,0x0e000c,0x0e000d,0x0e000d,
+  0x070006,0x080007,0x090007,0x0a0008,0x0b0009,0x0b0009,0x0c000a,0x0c000a,
+  0x0b000a,0x0c000b,0x0c000b,0x0d000c,0x0d000c,0x0e000d,0x0f000d,0x0f000d,
+  0x080007,0x090008,0x0a0008,0x0b0009,0x0b0009,0x0c000a,0x0c000a,0x0c000b,
+  0x0c000b,0x0d000b,0x0d000c,0x0d000c,0x0d000c,0x0e000d,0x0f000d,0x0f000d,
+  0x090008,0x090008,0x0b0009,0x0b0009,0x0c000a,0x0c000a,0x0d000b,0x0d000b,
+  0x0c000b,0x0d000b,0x0d000c,0x0e000c,0x0e000c,0x0f000d,0x0f000d,0x10000d,
+  0x0a0009,0x0a0009,0x0b0009,0x0c000a,0x0c000a,0x0c000a,0x0d000b,0x0d000b,
+  0x0d000b,0x0d000b,0x0e000c,0x0d000c,0x0f000d,0x0f000d,0x10000d,0x10000e,
+  0x0a000a,0x0b0009,0x0c000a,0x0c000a,0x0d000a,0x0d000b,0x0d000b,0x0d000b,
+  0x0d000b,0x0e000c,0x0e000c,0x0e000c,0x0f000d,0x0f000d,0x10000e,0x10000e,
+  0x0b000a,0x0b000a,0x0c000a,0x0d000b,0x0d000b,0x0d000b,0x0e000b,0x0e000c,
+  0x0e000c,0x0e000c,0x0f000c,0x0f000c,0x0f000d,0x10000d,0x12000d,0x12000e,
+  0x0a000a,0x0a000a,0x0b000a,0x0c000b,0x0c000b,0x0d000b,0x0d000b,0x0e000c,
+  0x0e000c,0x0e000c,0x0e000c,0x0f000d,0x0f000d,0x10000e,0x11000e,0x11000e,
+  0x0b000a,0x0b000a,0x0c000b,0x0c000b,0x0d000b,0x0d000b,0x0d000c,0x0f000c,
+  0x0e000c,0x0f000d,0x0f000d,0x10000d,0x10000d,0x10000e,0x12000e,0x11000e,
+  0x0b000b,0x0c000b,0x0c000b,0x0d000b,0x0d000c,0x0e000c,0x0e000c,0x0f000c,
+  0x0e000c,0x0f000d,0x10000d,0x0f000d,0x10000d,0x11000e,0x12000f,0x13000e,
+  0x0c000b,0x0c000b,0x0c000b,0x0d000b,0x0e000c,0x0e000c,0x0e000c,0x0e000c,
+  0x0f000d,0x0f000d,0x0f000d,0x10000d,0x11000e,0x11000e,0x11000e,0x12000f,
+  0x0c000c,0x0d000c,0x0d000b,0x0e000c,0x0e000c,0x0f000c,0x0e000d,0x0f000d,
+  0x10000d,0x10000d,0x11000d,0x11000d,0x11000e,0x12000e,0x12000f,0x12000f,
+  0x0d000c,0x0d000c,0x0e000c,0x0f000c,0x0f000c,0x0f000d,0x10000d,0x10000d,
+  0x10000d,0x10000e,0x10000e,0x11000e,0x12000e,0x11000e,0x12000f,0x12000f,
+  0x0e000d,0x0e000d,0x0e000d,0x0f000d,0x0f000d,0x0f000d,0x11000d,0x10000d,
+  0x10000e,0x13000e,0x11000e,0x11000e,0x11000f,0x13000f,0x12000e,0x12000f,
+  0x0d000d,0x0e000d,0x0f000d,0x10000d,0x10000d,0x10000d,0x11000d,0x10000e,
+  0x11000e,0x11000e,0x12000e,0x12000e,0x15000f,0x14000f,0x15000f,0x12000f };
+
+static const uint32_t tab01_const[16] =
+{ 0x10004,0x50005,0x50005,0x70006,0x50005,0x80006,0x70006,0x90007,
+  0x50005,0x70006,0x70006,0x90007,0x70006,0x90007,0x90007,0xa0008 };
+
+static const uint32_t tab23_const[ 9] =
+{ 0x10002,0x40003,0x70007,0x40004,0x50004,0x70007,0x60006,0x70007,0x80008 };
+
+static const uint32_t tab56_const[16] =
+{ 0x10003,0x40004,0x70006,0x80008,0x40004,0x50004,0x80006,0x90007,
+  0x70005,0x80006,0x90007,0xa0008,0x80007,0x80007,0x90008,0xa0009 };
+
+static const uint32_t tab789_const[36] =
+{0x00100803,0x00401004,0x00701c06,0x00902407,0x00902409,0x00a0280a,0x00401004,
+ 0x00601005,0x00801806,0x00902807,0x00902808,0x00a0280a,0x00701c05,0x00701806,
+ 0x00902007,0x00a02808,0x00a02809,0x00b02c0a,0x00802407,0x00902807,0x00a02808,
+ 0x00b02c09,0x00b02c09,0x00b0300a,0x00802408,0x00902408,0x00a02809,0x00b02c09,
+ 0x00b0300a,0x00c0300b,0x00902809,0x00a02809,0x00b02c0a,0x00c02c0a,0x00c0340b,
+ 0x00c0340b};
+
+static const uint32_t tabABC_const[64] =
+{0x00100804,0x00401004,0x00701806,0x00902008,0x00a02409,0x00a0280a,0x00a0240a,
+ 0x00b0280a,0x00401004,0x00601405,0x00801806,0x00902007,0x00a02809,0x00b02809,
+ 0x00a0240a,0x00a0280a,0x00701806,0x00801c06,0x00902007,0x00a02408,0x00b02809,
+ 0x00c02c0a,0x00b02809,0x00b0280a,0x00802007,0x00902007,0x00a02408,0x00b02c08,
+ 0x00c02809,0x00c0300a,0x00b0280a,0x00c02c0a,0x00902408,0x00a02808,0x00b02809,
+ 0x00c02c09,0x00c02c0a,0x00c0300a,0x00c02c0a,0x00c0300b,0x00a02409,0x00b02809,
+ 0x00c02c0a,0x00c0300a,0x00d0300a,0x00d0340b,0x00c0300a,0x00d0340b,0x00902409,
+ 0x00a02409,0x00b02409,0x00c0280a,0x00c02c0a,0x00c0300b,0x00d0300b,0x00d0300c,
+ 0x00a0240a,0x00a0240a,0x00b0280a,0x00c02c0b,0x00c0300b,0x00d0300b,0x00d0300b,
+ 0x00d0300c};
+
+static const uint32_t tab1624_const[256] =
+{0x00010004,0x00050005,0x00070007,0x00090008,0x000a0009,0x000a000a,0x000b000a,
+ 0x000b000b,0x000c000b,0x000c000c,0x000c000c,0x000d000c,0x000d000c,0x000d000c,
+ 0x000e000d,0x000a000a,0x00040005,0x00060006,0x00080007,0x00090008,0x000a0009,
+ 0x000b000a,0x000b000a,0x000b000b,0x000c000b,0x000c000b,0x000c000c,0x000d000c,
+ 0x000e000c,0x000d000c,0x000e000c,0x000a000a,0x00070007,0x00080007,0x00090008,
+ 0x000a0009,0x000b0009,0x000b000a,0x000c000a,0x000c000b,0x000d000b,0x000c000b,
+ 0x000d000b,0x000d000c,0x000d000c,0x000e000c,0x000e000d,0x000b0009,0x00090008,
+ 0x00090008,0x000a0009,0x000b0009,0x000b000a,0x000c000a,0x000c000a,0x000c000b,
+ 0x000d000b,0x000d000b,0x000e000b,0x000e000c,0x000e000c,0x000f000c,0x000f000c,
+ 0x000c0009,0x000a0009,0x000a0009,0x000b0009,0x000b000a,0x000c000a,0x000c000a,
+ 0x000d000a,0x000d000b,0x000d000b,0x000e000b,0x000e000c,0x000e000c,0x000f000c,
+ 0x000f000c,0x000f000d,0x000b0009,0x000a000a,0x000a0009,0x000b000a,0x000b000a,
+ 0x000c000a,0x000d000a,0x000d000b,0x000e000b,0x000d000b,0x000e000b,0x000e000c,
+ 0x000f000c,0x000f000c,0x000f000c,0x0010000c,0x000c0009,0x000b000a,0x000b000a,
+ 0x000b000a,0x000c000a,0x000d000a,0x000d000b,0x000d000b,0x000d000b,0x000e000b,
+ 0x000e000c,0x000e000c,0x000e000c,0x000f000c,0x000f000c,0x0010000d,0x000c0009,
+ 0x000b000b,0x000b000a,0x000c000a,0x000c000a,0x000d000b,0x000d000b,0x000d000b,
+ 0x000e000b,0x000e000c,0x000f000c,0x000f000c,0x000f000c,0x000f000c,0x0011000d,
+ 0x0011000d,0x000c000a,0x000b000b,0x000c000b,0x000c000b,0x000d000b,0x000d000b,
+ 0x000d000b,0x000e000b,0x000e000b,0x000f000b,0x000f000c,0x000f000c,0x000f000c,
+ 0x0010000c,0x0010000d,0x0010000d,0x000c000a,0x000c000b,0x000c000b,0x000c000b,
+ 0x000d000b,0x000d000b,0x000e000b,0x000e000b,0x000f000c,0x000f000c,0x000f000c,
+ 0x000f000c,0x0010000c,0x000f000d,0x0010000d,0x000f000d,0x000d000a,0x000c000c,
+ 0x000d000b,0x000c000b,0x000d000b,0x000e000b,0x000e000c,0x000e000c,0x000e000c,
+ 0x000f000c,0x0010000c,0x0010000c,0x0010000d,0x0011000d,0x0011000d,0x0010000d,
+ 0x000c000a,0x000d000c,0x000d000c,0x000d000b,0x000d000b,0x000e000b,0x000e000c,
+ 0x000f000c,0x0010000c,0x0010000c,0x0010000c,0x0010000c,0x0010000d,0x0010000d,
+ 0x000f000d,0x0010000d,0x000d000a,0x000d000c,0x000e000c,0x000e000c,0x000e000c,
+ 0x000e000c,0x000f000c,0x000f000c,0x000f000c,0x000f000c,0x0011000c,0x0010000d,
+ 0x0010000d,0x0010000d,0x0010000d,0x0012000d,0x000d000a,0x000f000c,0x000e000c,
+ 0x000e000c,0x000e000c,0x000f000c,0x000f000c,0x0010000c,0x0010000c,0x0010000d,
+ 0x0012000d,0x0011000d,0x0011000d,0x0011000d,0x0013000d,0x0011000d,0x000d000a,
+ 0x000e000d,0x000f000c,0x000d000c,0x000e000c,0x0010000c,0x0010000c,0x000f000c,
+ 0x0010000d,0x0010000d,0x0011000d,0x0012000d,0x0011000d,0x0013000d,0x0011000d,
+ 0x0010000d,0x000d000a,0x000a0009,0x000a0009,0x000a0009,0x000b0009,0x000b0009,
+ 0x000c0009,0x000c0009,0x000c0009,0x000d0009,0x000d0009,0x000d0009,0x000d000a,
+ 0x000d000a,0x000d000a,0x000d000a,0x000a0006};
+
+static const uint8_t t1l_const[8]  = {1,3,2,3,1,4,3,5};
+static const uint8_t t2l_const[9]  = {1,3,6,3,3,5,5,5,6};
+static const uint8_t t3l_const[9]  = {2,2,6,3,2,5,5,5,6};
+static const uint8_t t5l_const[16] = {1,3,6,7,3,3,6,7,6,6,7,8,7,6,7,8};
+static const uint8_t t6l_const[16] = {3,3,5,7,3,2,4,5,4,4,5,6,6,5,6,7};
+
+static const uint8_t t7l_const[36] =
+{1,3,6,8,8,9,3,4,6,7,7,8,6,5,7,8,8,9,7,7,8,9,9,9,7,7,8,9,9,10,8,8,9,10,10,10};
+
+static const uint8_t t8l_const[36] =
+{2,3,6,8,8,9,3,2,4,8,8,8,6,4,6,8,8,9,8,8,8,9,9,10,8,7,8,9,10,10,9,8,9,9,11,11};
+
+static const uint8_t t9l_const[36] =
+{3,3,5,6,8,9,3,3,4,5,6,8,4,4,5,6,7,8,6,5,6,7,7,8,7,6,7,7,8,9,8,7,8,8,9,9};
+
+static const uint8_t t10l_const[64] =
+{1,3,6,8,9,9,9,10,3,4,6,7,8,9,8,8,6,6,7,8,9,10,9,9,7,7,8,9,10,10,9,10,8,8,9,10,
+ 10,10,10,10,9,9,10,10,11,11,10,11,8,8,9,10,10,10,11,11,9,8,9,10,10,11,11,11};
+
+static const uint8_t t11l_const[64] =
+{2,3,5,7,8,9,8,9,3,3,4,6,8,8,7,8,5,5,6,7,8,9,8,8,7,6,7,9,8,10,8,9,8,8,8,9,9,10,
+ 9,10,8,8,9,10,10,11,10,11,8,7,7,8,9,10,10,10,8,7,8,9,10,10,10,10};
+
+static const uint8_t t12l_const[64] =
+{4,3,5,7,8,9,9,9,3,3,4,5,7,7,8,8,5,4,5,6,7,8,7,8,6,5,6,6,7,8,8,8,7,6,7,7,8,
+ 8,8,9,8,7,8,8,8,9,8,9,8,7,7,8,8,9,9,10,9,8,8,9,9,9,9,10};
+
+static const uint8_t t13l_const[256] =
+{1,4,6,7,8,9,9,10,9,10,11,11,12,12,13,13,3,4,6,7,8,8,9,9,9,9,10,10,11,12,12,12,
+ 6,6,7,8,9,9,10,10,9,10,10,11,11,12,13,13,7,7,8,9,9,10,10,10,10,11,11,11,11,12,
+ 13,13,8,7,9,9,10,10,11,11,10,11,11,12,12,13,13,14,9,8,9,10,10,10,11,11,11,11,
+ 12,11,13,13,14,14,9,9,10,10,11,11,11,11,11,12,12,12,13,13,14,14,10,9,10,11,11,
+ 11,12,12,12,12,13,13,13,14,16,16,9,8,9,10,10,11,11,12,12,12,12,13,13,14,15,15,
+ 10,9,10,10,11,11,11,13,12,13,13,14,14,14,16,15,10,10,10,11,11,12,12,13,12,13,
+ 14,13,14,15,16,17,11,10,10,11,12,12,12,12,13,13,13,14,15,15,15,16,11,11,11,12,
+ 12,13,12,13,14,14,15,15,15,16,16,16,12,11,12,13,13,13,14,14,14,14,14,15,16,15,
+ 16,16,13,12,12,13,13,13,15,14,14,17,15,15,15,17,16,16,12,12,13,14,14,14,15,14,
+ 15,15,16,16,19,18,19,16};
+
+static const uint8_t t15l_const[256] =
+{3,4,5,7,7,8,9,9,9,10,10,11,11,11,12,13,4,3,5,6,7,7,8,8,8,9,9,10,10,10,11,11,5,
+ 5,5,6,7,7,8,8,8,9,9,10,10,11,11,11,6,6,6,7,7,8,8,9,9,9,10,10,10,11,11,11,7,6,
+ 7,7,8,8,9,9,9,9,10,10,10,11,11,11,8,7,7,8,8,8,9,9,9,9,10,10,11,11,11,12,9,7,8,
+ 8,8,9,9,9,9,10,10,10,11,11,12,12,9,8,8,9,9,9,9,10,10,10,10,10,11,11,11,12,9,8,
+ 8,9,9,9,9,10,10,10,10,11,11,12,12,12,9,8,9,9,9,9,10,10,10,11,11,11,11,12,12,
+ 12,10,9,9,9,10,10,10,10,10,11,11,11,11,12,13,12,10,9,9,9,10,10,10,10,11,11,11,
+ 11,12,12,12,13,11,10,9,10,10,10,11,11,11,11,11,11,12,12,13,13,11,10,10,10,10,
+ 11,11,11,11,12,12,12,12,12,13,13,12,11,11,11,11,11,11,11,12,12,12,12,13,13,12,
+ 13,12,11,11,11,11,11,11,12,12,12,12,12,13,13,13,13};
+
+static const uint8_t t16l_const[256] =
+{1,4,6,8,9,9,10,10,11,11,11,12,12,12,13,9,3,4,6,7,8,9,9,9,10,10,10,11,12,11,12,
+ 8,6,6,7,8,9,9,10,10,11,10,11,11,11,12,12,9,8,7,8,9,9,10,10,10,11,11,12,12,12,
+ 13,13,10,9,8,9,9,10,10,11,11,11,12,12,12,13,13,13,9,9,8,9,9,10,11,11,12,11,12,
+ 12,13,13,13,14,10,10,9,9,10,11,11,11,11,12,12,12,12,13,13,14,10,10,9,10,10,11,
+ 11,11,12,12,13,13,13,13,15,15,10,10,10,10,11,11,11,12,12,13,13,13,13,14,14,14,
+ 10,11,10,10,11,11,12,12,13,13,13,13,14,13,14,13,11,11,11,10,11,12,12,12,12,13,
+ 14,14,14,15,15,14,10,12,11,11,11,12,12,13,14,14,14,14,14,14,13,14,11,12,12,12,
+ 12,12,13,13,13,13,15,14,14,14,14,16,11,14,12,12,12,13,13,14,14,14,16,15,15,15,
+ 17,15,11,13,13,11,12,14,14,13,14,14,15,16,15,17,15,14,11,9,8,8,9,9,10,10,10,
+ 11,11,11,11,11,11,11,8};
+
+static const uint8_t t24l_const[256] =
+{4,4,6,7,8,9,9,10,10,11,11,11,11,11,12,9,4,4,5,6,7,8,8,9,9,9,10,10,10,10,10,8,
+ 6,5,6,7,7,8,8,9,9,9,9,10,10,10,11,7,7,6,7,7,8,8,8,9,9,9,9,10,10,10,10,7,8,7,7,
+ 8,8,8,8,9,9,9,10,10,10,10,11,7,9,7,8,8,8,8,9,9,9,9,10,10,10,10,10,7,9,8,8,8,8,
+ 9,9,9,9,10,10,10,10,10,11,7,10,8,8,8,9,9,9,9,10,10,10,10,10,11,11,8,10,9,9,9,
+ 9,9,9,9,9,10,10,10,10,11,11,8,10,9,9,9,9,9,9,10,10,10,10,10,11,11,11,8,11,9,9,
+ 9,9,10,10,10,10,10,10,11,11,11,11,8,11,10,9,9,9,10,10,10,10,10,10,11,11,11,11,
+ 8,11,10,10,10,10,10,10,10,10,10,11,11,11,11,11,8,11,10,10,10,10,10,10,10,11,
+ 11,11,11,11,11,11,8,12,10,10,10,10,10,10,11,11,11,11,11,11,11,11,8,8,7,7,7,7,
+ 7,7,7,7,7,7,8,8,8,8,4};
+
+static const struct huffcodetab ht_const[HTN] =
+{ { 0, NULL, NULL}, /* Apparently not used */
+  { 2, t1HB,  t1l},
+  { 3, t2HB,  t2l},
+  { 3, t3HB,  t3l},
+  { 0, NULL, NULL}, /* Apparently not used */
+  { 4, t5HB,  t5l},
+  { 4, t6HB,  t6l},
+  { 6, t7HB,  t7l},
+  { 6, t8HB,  t8l},
+  { 6, t9HB,  t9l},
+  { 8, t10HB, t10l},
+  { 8, t11HB, t11l},
+  { 8, t12HB, t12l},
+  {16, t13HB, t13l},
+  { 0, NULL,  NULL}, /* Apparently not used */
+  {16, t15HB, t15l} };
+
+static const struct huffcodebig ht_big[HTN] =
+{ { 16,  1,    1 },
+  { 16,  2,    3 },
+  { 16,  3,    7 },
+  { 16,  4,   15 },
+  { 16,  6,   63 },
+  { 16,  8,  255 },
+  { 16, 10, 1023 },
+  { 16, 13, 8191 },
+  { 16,  4,   15 },
+  { 16,  5,   31 },
+  { 16,  6,   63 },
+  { 16,  7,  127 },
+  { 16,  8,  255 },
+  { 16,  9,  511 },
+  { 16, 11, 2047 },
+  { 16, 13, 8191 } };
+
+static const struct
+{
+  uint32_t region0_cnt;
+  uint32_t region1_cnt;
+} subdv_table[23] =
+{ {0, 0}, /*  0 bands */
+  {0, 0}, /*  1 bands */
+  {0, 0}, /*  2 bands */
+  {0, 0}, /*  3 bands */
+  {0, 0}, /*  4 bands */
+  {0, 1}, /*  5 bands */
+  {1, 1}, /*  6 bands */
+  {1, 1}, /*  7 bands */
+  {1, 2}, /*  8 bands */
+  {2, 2}, /*  9 bands */
+  {2, 3}, /* 10 bands */
+  {2, 3}, /* 11 bands */
+  {3, 4}, /* 12 bands */
+  {3, 4}, /* 13 bands */
+  {3, 4}, /* 14 bands */
+  {4, 5}, /* 15 bands */
+  {4, 5}, /* 16 bands */
+  {4, 6}, /* 17 bands */
+  {5, 6}, /* 18 bands */
+  {5, 6}, /* 19 bands */
+  {5, 7}, /* 20 bands */
+  {6, 7}, /* 21 bands */
+  {6, 7}, /* 22 bands */
+};
+
+static const uint32_t sfBand[6][23] =
+{
+/* Table B.2.b: 22.05 kHz */
+{0,6,12,18,24,30,36,44,54,66,80,96,116,140,168,200,238,284,336,396,464,522,576},
+/* Table B.2.c: 24 kHz */
+{0,6,12,18,24,30,36,44,54,66,80,96,114,136,162,194,232,278,330,394,464,540,576},
+/* Table B.2.a: 16 kHz */
+{0,6,12,18,24,30,36,44,45,66,80,96,116,140,168,200,238,248,336,396,464,522,576},
+/* Table B.8.b: 44.1 kHz */
+{0,4, 8,12,16,20,24,30,36,44,52,62, 74, 90,110,134,162,196,238,288,342,418,576},
+/* Table B.8.c: 48 kHz */
+{0,4, 8,12,16,20,24,30,36,42,50,60, 72, 88,106,128,156,190,230,276,330,384,576},
+/* Table B.8.a: 32 kHz */
+{0,4, 8,12,16,20,24,30,36,44,54,66, 82,102,126,156,194,240,296,364,448,550,576} };
+
+
+static const short int2idx_const[4096] = /*  int2idx[i] = sqrt(i*sqrt(i)); */
+{
+  0,  1,  2,  2,  3,  3,  4,  4,  5,  5,  6,  6,  6,  7,  7,  8,  8,  8,  9,  9,
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+459,459,459,459,459,459,460,460,460,460,460,460,460,460,460,460,460,461,461,461,
+461,461,461,461,461,461,461,462,462,462,462,462,462,462,462,462,462,463,463,463,
+463,463,463,463,463,463,463,463,464,464,464,464,464,464,464,464,464,464,465,465,
+465,465,465,465,465,465,465,465,466,466,466,466,466,466,466,466,466,466,466,467,
+467,467,467,467,467,467,467,467,467,468,468,468,468,468,468,468,468,468,468,469,
+469,469,469,469,469,469,469,469,469,469,470,470,470,470,470,470,470,470,470,470,
+471,471,471,471,471,471,471,471,471,471,472,472,472,472,472,472,472,472,472,472,
+472,473,473,473,473,473,473,473,473,473,473,474,474,474,474,474,474,474,474,474,
+474,475,475,475,475,475,475,475,475,475,475,475,476,476,476,476,476,476,476,476,
+476,476,477,477,477,477,477,477,477,477,477,477,477,478,478,478,478,478,478,478,
+478,478,478,479,479,479,479,479,479,479,479,479,479,479,480,480,480,480,480,480,
+480,480,480,480,481,481,481,481,481,481,481,481,481,481,482,482,482,482,482,482,
+482,482,482,482,482,483,483,483,483,483,483,483,483,483,483,484,484,484,484,484,
+484,484,484,484,484,484,485,485,485,485,485,485,485,485,485,485,486,486,486,486,
+486,486,486,486,486,486,486,487,487,487,487,487,487,487,487,487,487,488,488,488,
+488,488,488,488,488,488,488,488,489,489,489,489,489,489,489,489,489,489,490,490,
+490,490,490,490,490,490,490,490,490,491,491,491,491,491,491,491,491,491,491,492,
+492,492,492,492,492,492,492,492,492,492,493,493,493,493,493,493,493,493,493,493,
+494,494,494,494,494,494,494,494,494,494,494,495,495,495,495,495,495,495,495,495,
+495,496,496,496,496,496,496,496,496,496,496,496,497,497,497,497,497,497,497,497,
+497,497,497,498,498,498,498,498,498,498,498,498,498,499,499,499,499,499,499,499,
+499,499,499,499,500,500,500,500,500,500,500,500,500,500,501,501,501,501,501,501,
+501,501,501,501,501,502,502,502,502,502,502,502,502,502,502,503,503,503,503,503,
+503,503,503,503,503,503,504,504,504,504,504,504,504,504,504,504,504,505,505,505,
+505,505,505,505,505,505,505,506,506,506,506,506,506,506,506,506,506,506,507,507,
+507,507,507,507,507,507,507,507,507,508,508,508,508,508,508,508,508,508,508,509,
+509,509,509,509,509,509,509,509,509,509,510,510,510,510,510,510,510,510,510,510,
+510,511,511,511,511,511,511,511,511,511,511,512,512,512,512,512 };
+
+static const int order[32] =
+{ 0, 1, 16, 17, 8, 9, 24, 25, 4, 5, 20, 21, 12, 13, 28, 29,
+  2, 3, 18, 19,10,11, 26, 27, 6, 7, 22, 23, 14, 15, 30, 31 };
+
+static const unsigned long sampr_index[2][3] =
+{ { 22050, 24000, 16000 },      /* MPEG 2 */
+  { 44100, 48000, 32000 } };    /* MPEG 1 */
+
+static const long bitr_index[2][15] =
+{ {0, 8,16,24,32,40,48,56, 64, 80, 96,112,128,144,160},    /* MPEG 2 */
+  {0,32,40,48,56,64,80,96,112,128,160,192,224,256,320} };  /* MPEG 1 */
+
+static const int num_bands[3][15]  =
+{ {0,10,10,10,10,12,14,16, 20, 22, 24, 26, 28, 30, 32},
+  {0,10,10,10,10,10,12,14, 18, 24, 26, 28, 30, 32, 32},
+  {0,10,12,14,18,24,26,28, 30, 32, 32, 32, 32, 32, 32} };
+
+static const int cx_const[9] =
+{ 16135, 10531,  5604, 15396, -2845,-12551, 14189,  8192, 16384 };
+
+static const int ca_const[8] =
+{-16859,-15458,-10269, -5961, -3099, -1342,  -465,  -121 };
+
+static const int cs_const[8] =
+{ 28098, 28893, 31117, 32221, 32621, 32740, 32765, 32768 };
+
+static const short enwindow_const[15*27+24] =
+{ 0,   65,  593,  1766, 22228, 2115, 611, 62,
+  8,  119, 1419, 10564,-11659,-1635,-154, -9,
+ -8, -119,-1419,-10564, 11659, 1635, 154,  9, 464,  100,  91,
+  0,   69,  604,  1635, 23148, 2363, 643, 62,
+  7,  107, 1368, 10449,-12733,-1818,-180,-11,
+ -7, -107,-1368,-10449, 12733, 1818, 180, 11, 420,  200, 164,
+  0,   72,  608,  1465, 23979, 2600, 671, 63,
+  7,   94, 1305, 10265,-13818,-2004,-207,-12,
+ -7,  -94,-1305,-10265, 13818, 2004, 207, 12, 380,  297, 220,
+  0,   76,  606,  1256, 24718, 2825, 693, 63,
+  6,   81, 1232, 10016,-14908,-2192,-236,-14,
+ -6,  -81,-1232,-10016, 14908, 2192, 236, 14, 342,  392, 262,
+  0,   78,  597,  1007, 25359, 3033, 712, 63,
+  6,   68, 1150,  9706,-15995,-2380,-267,-15,
+ -6,  -68,-1150, -9706, 15995, 2380, 267, 15, 307,  483, 289,
+  0,   80,  580,   719, 25901, 3224, 726, 62,
+  6,   54, 1060,  9343,-17072,-2565,-299,-17,
+ -6,  -54,-1060, -9343, 17072, 2565, 299, 17, 274,  569, 304,
+ -1,   82,  555,   391, 26339, 3395, 735, 61,
+  5,   40,  963,  8930,-18131,-2747,-332,-19,
+ -5,  -40, -963, -8930, 18131, 2747, 332, 19, 242,  650, 307,
+ -1,   83,  523,    26, 26672, 3545, 740, 60,
+  5,   27,  861,  8474,-19164,-2923,-366,-21,
+ -5,  -27, -861, -8474, 19164, 2923, 366, 21, 212,  724, 300,
+ -1,   83,  482,  -376, 26900, 3672, 739, 58,
+  4,   14,  756,  7981,-20163,-3092,-401,-24,
+ -4,  -14, -756, -7981, 20163, 3092, 401, 24, 183,  792, 283,
+ -1,   82,  433,  -812, 27022, 3776, 735, 56,
+  4,    1,  648,  7456,-21122,-3250,-435,-26,
+ -4,   -1, -648, -7456, 21122, 3250, 435, 26, 155,  851, 258,
+ -1,   81,  376, -1281, 27038, 3855, 726, 54,
+  3,  -11,  539,  6907,-22032,-3397,-470,-28,
+ -3,   11, -539, -6907, 22032, 3397, 470, 28, 128,  903, 226,
+ -1,   78,  312, -1778, 26951, 3910, 713, 52,
+  3,  -22,  430,  6338,-22887,-3530,-503,-31,
+ -3,   22, -430, -6338, 22887, 3530, 503, 31, 102,  946, 188,
+ -2,   75,  239, -2302, 26761, 3941, 696, 49,
+  3,  -33,  322,  5757,-23678,-3648,-537,-34,
+ -3,   33, -322, -5757, 23678, 3648, 537, 34,  76,  980, 145,
+ -2,   70,  160, -2848, 26472, 3948, 676, 47,
+  3,  -42,  217,  5167,-24399,-3749,-568,-36,
+ -3,   42, -217, -5167, 24399, 3749, 568, 36,  50, 1004,  99,
+ -2,   65,   74, -3412, 26087, 3931, 653, 44,
+  2,  -51,  115,  4577,-25045,-3830,-599,-39,
+ -2,   51, -115, -4577, 25045, 3830, 599, 39,  25, 1019,  50,
+
+ 25610,3891,627,42,-3990,-18,58,-2,
+ 21226,-21226,10604,-10604,1860,-1860,1458,-1458,576,-576,130,-130,60,-60,8,-8
+};
+
+static const int win_const[18][4] = {
+  { -3072, -134, -146, 3352 },
+  { -2747, -362, -471, 3579 },
+  { -2387, -529, -831, 3747 },
+  { -2004, -632,-1214, 3850 },
+  { -1609, -666,-1609, 3884 },
+  { -1214, -632,-2004, 3850 },
+  {  -831, -529,-2387, 3747 },
+  {  -471, -362,-2747, 3579 },
+  {  -146, -134,-3072, 3352 },
+  {   134,-3072,-3352, -146 },
+  {   362,-2747,-3579, -471 },
+  {   529,-2387,-3747, -831 },
+  {   632,-2004,-3850,-1214 },
+  {   666,-1609,-3884,-1609 },
+  {   632,-1214,-3850,-2004 },
+  {   529, -831,-3747,-2387 },
+  {   362, -471,-3579,-2747 },
+  {   134, -146,-3352,-3072 } };
+
+/* forward declarations */
+static int  HuffmanCode( short *ix, char *xr_sign, uint32_t begin, uint32_t end, int table);
+static int  HuffmanCod1( short *ix, char *xr_sign, uint32_t begin, uint32_t end, int table);
+static void putbits(uint32_t val, uint32_t nbit);
+static int  find_best_2( short *ix, uint32_t start, uint32_t end, const uint32_t *table,
+                          uint32_t len, int *bits);
+static int  find_best_3( short *ix, uint32_t start, uint32_t end, const uint32_t *table,
+                         uint32_t len, int *bits);
+static int  count_bit1 ( short *ix, uint32_t start, uint32_t end, int *bits );
+static int  count_bigv ( short *ix, uint32_t start, uint32_t end, int table0, int table1,
+                  int *bits);
+
+/* implementations */
+static void encodeSideInfo( side_info_t si[2][2] )
+{
+  int gr, ch, header;
+  uint32_t  cc=0, sz=0;
+
+  /*
+   * MPEG header layout:
+   * AAAAAAAA AAABBCCD EEEEFFGH IIJJKLMM
+   * A (31-21) = frame sync
+   * B (20-19) = MPEG type
+   * C (18-17) = MPEG layer
+   * D (16)    = protection bit
+   * E (15-12) = bitrate index
+   * F (11-10) = samplerate index
+   * G (9)     = padding bit
+   * H (8)     = private bit
+   * I (7-6)   = channel mode
+   * J (5-4)   = mode extension (jstereo only)
+   * K (3)     = copyright bit
+   * L (2)     = original
+   * M (1-0)   = emphasis
+   */
+
+  header  = (0xfff00000) | /* frame sync (AAAAAAAAA AAA)
+                              mp3 type (upper):  1 (B)  */
+            (0x01 << 17) | /* mp3 layer:        01 (CC) */
+            ( 0x1 << 16) | /* mp3 crc:           1 (D)  */
+            ( 0x1 <<  2);  /* mp3 org:           1 (L)  */
+  header |= cfg.mpg.type    << 19;
+  header |= cfg.mpg.bitr_id << 12;
+  header |= cfg.mpg.smpl_id << 10;
+  header |= cfg.mpg.padding <<  9;
+  header |= cfg.mpg.mode    <<  6;
+  /* no emphasis (bits 0-1) */
+  putbits( header, 32 );
+
+  if(cfg.mpg.type == 1)
+  { /* MPEG1 */
+    if(cfg.channels == 2)  { putlong( 0, 20); }
+    else                   { putlong( 0, 18); }
+
+    for(gr=0; gr<cfg.granules; gr++)
+      for(ch=0; ch<cfg.channels; ch++)
+      {
+        side_info_t *gi = &si[gr][ch];
+
+        putlong((gi->part2_3_length+42),12 ); /* add scale_facs array size */
+        putlong( gi->address3>>1,        9 );
+        putlong( gi->global_gain,        8 );
+        putlong( 9,                      4 ); /* set scale_facs compr type */
+        putlong( gi->table_select[0],    6 );
+        putlong( gi->table_select[1],    5 );
+        putlong( gi->table_select[2],    5 );
+        putlong( gi->region_0_1,         7 );
+        putlong( 1                  ,    2 ); /* set scale_facs to 1bit */
+        putlong( gi->table_select[3],    1 );
+      }
+  }
+  else
+  { /* MPEG2 */
+    if(cfg.channels == 2)  { putlong( 0, 10); }
+    else                   { putlong( 0,  9); }
+
+    for(ch=0; ch<cfg.channels; ch++)
+    {
+      side_info_t *gi = &si[0][ch];
+
+      putlong((gi->part2_3_length+42),12 ); /* add scale_facs array size */
+      putlong( gi->address3>>1,        9 );
+      putlong( gi->global_gain,        8 );
+      putlong( 0xCA,                   9 ); /* set scale_facs compr type */
+      putlong( gi->table_select[0],    6 );
+      putlong( gi->table_select[1],    5 );
+      putlong( gi->table_select[2],    5 );
+      putlong( gi->region_0_1     ,    7 );
+      putlong( 1                  ,    1 ); /* set scale_facs to 1bit */
+      putlong( gi->table_select[3],    1 );
+    }
+  }
+  /* flush remaining bits */
+  putbits(cc, sz);
+}
+
+/* Note the discussion of huffmancodebits() on pages 28 and 29 of the IS,
+   as well as the definitions of the side information on pages 26 and 27. */
+static void Huffmancodebits( short *ix, char *xr_sign, side_info_t *gi )
+{
+  int    region1   = gi->address1;
+  int    region2   = gi->address2;
+  int    bigvals   = gi->address3;
+  int    count1    = bigvals + (gi->count1 << 2);
+  int    stuffBits = 0;
+  int    bits      = 0;
+  int    i, v;
+
+  for(i=v=0; i<32; i+=2)
+    v |= band_scale_f[i>>1] << (30-i);
+  putbits(v, 32); // store scale_facs (part1)
+
+  for(v=0; i<42; i+=2)
+    v |= band_scale_f[i>>1] << (40-i);
+  putbits(v, 10); // store scale_facs (part2)
+
+  if(region1 > 0)
+    bits += HuffmanCode(ix, xr_sign,   0    , region1, gi->table_select[0]);
+
+  if(region2 > region1)
+    bits += HuffmanCode(ix, xr_sign, region1, region2, gi->table_select[1]);
+
+  if(bigvals > region2)
+    bits += HuffmanCode(ix, xr_sign, region2, bigvals, gi->table_select[2]);
+
+  if(count1 > bigvals)
+    bits += HuffmanCod1(ix, xr_sign, bigvals,  count1, gi->table_select[3]);
+
+  if((stuffBits = gi->part2_3_length - bits) > 0)
+  {
+    int stuffWords = stuffBits >> 5;
+    int remainBits = stuffBits & 31;
+
+    if( remainBits )
+      putbits( ~0, remainBits );
+
+    while( stuffWords-- )
+      putbits( ~0, 32 ); /* Huffman code tables leed to padding ones */
+  }
+}
+
+int HuffmanCod1( short *ix, char *xr_sign, uint32_t begin, uint32_t end, int tbl)
+{
+  uint32_t  cc=0, sz=0;
+  uint32_t  i, d, p;
+  int     sumbit=0, s=0, l=0, v, w, x, y;
+  #define sgnv xr_sign[i+0]
+  #define sgnw xr_sign[i+1]
+  #define sgnx xr_sign[i+2]
+  #define sgny xr_sign[i+3]
+
+  for(i=begin; i<end; i+=4)
+  {
+    v = ix[i+0];
+    w = ix[i+1];
+    x = ix[i+2];
+    y = ix[i+3];
+    p = (v << 3) + (w << 2) + (x << 1) + y;
+
+    switch(p)
+    {
+      case  0: l=0; s = 0; break;
+      case  1: l=1; s =                                           sgny; break;
+      case  2: l=1; s =                              sgnx;              break;
+      case  3: l=2; s =                             (sgnx << 1) + sgny; break;
+      case  4: l=1; s =                sgnw;                            break;
+      case  5: l=2; s =               (sgnw << 1)               + sgny; break;
+      case  6: l=2; s =               (sgnw << 1) +  sgnx;              break;
+      case  7: l=3; s =               (sgnw << 2) + (sgnx << 1) + sgny; break;
+      case  8: l=1; s =  sgnv;                                          break;
+      case  9: l=2; s = (sgnv << 1)                             + sgny; break;
+      case 10: l=2; s = (sgnv << 1)               +  sgnx;              break;
+      case 11: l=3; s = (sgnv << 2)               + (sgnx << 1) + sgny; break;
+      case 12: l=2; s = (sgnv << 1) +  sgnw;                            break;
+      case 13: l=3; s = (sgnv << 2) + (sgnw << 1)               + sgny; break;
+      case 14: l=3; s = (sgnv << 2) + (sgnw << 1) +  sgnx;              break;
+      case 15: l=4; s = (sgnv << 3) + (sgnw << 2) + (sgnx << 1) + sgny; break;
+    }
+
+    d = (ht_count[tbl][0][p] << l) + s;
+    l =  ht_count[tbl][1][p];
+    putlong( d, l );
+    sumbit += l;
+  }
+
+  /* flush remaining bits */
+  putbits(cc, sz);
+
+  return sumbit;
+}
+
+/* Implements the pseudocode of page 98 of the IS */
+int HuffmanCode(short *ix, char *xr_sign, uint32_t begin, uint32_t end, int table)
+{
+  uint32_t       cc=0, sz=0, code;
+  uint32_t       i, xl=0, yl=0, idx;
+  int            x, y, bit, sumbit=0;
+  #define sign_x xr_sign[i+0]
+  #define sign_y xr_sign[i+1]
+
+  if(table == 0)
+    return 0;
+
+  if( table > 15 )
+  { /* ESC-table is used */
+    uint32_t linbits  = ht_big[table-16].linbits;
+    uint16_t *hffcode = table < 24 ? t16HB : t24HB;
+    uint8_t  *hlen    = table < 24 ? t16l  : t24l;
+
+    for(i=begin; i<end; i+=2)
+    {
+      x = ix[ i ];
+      y = ix[i+1];
+
+      if(x > 14) { xl = x - 15;  x = 15; }
+      if(y > 14) { yl = y - 15;  y = 15; }
+
+      idx  = x * 16 + y;
+      code = hffcode[idx];
+      bit  = hlen   [idx];
+
+      if(x)
+      {
+        if(x > 14)
+        {
+          code = (code << linbits) | xl;
+          bit += linbits;
+        }
+
+        code = (code << 1) | sign_x;
+        bit += 1;
+      }
+
+      if(y)
+      {
+        if(y > 14)
+        {
+          if(bit + linbits + 1 > 32)
+          {
+            putlong( code, bit );
+            sumbit += bit;
+            code = bit = 0;
+          }
+
+          code = (code << linbits) | yl;
+          bit += linbits;
+        }
+
+        code = (code << 1) | sign_y;
+        bit += 1;
+      }
+
+      putlong( code, bit );
+      sumbit += bit;
+    }
+  }
+  else
+  { /* No ESC-words */
+    const struct huffcodetab *h = &ht[table];
+
+    for(i=begin; i<end; i+=2)
+    {
+      x = ix[i];
+      y = ix[i+1];
+
+      idx  = x * h->len + y;
+      code = h->table[idx];
+      bit  = h->hlen [idx];
+
+      if(x)
+      {
+        code = (code << 1) | sign_x;
+        bit += 1;
+      }
+
+      if(y)
+      {
+        code = (code << 1) | sign_y;
+        bit += 1;
+      }
+
+      putlong( code, bit );
+      sumbit += bit;
+    }
+  }
+
+  /* flush remaining bits */
+  putbits(cc, sz);
+
+  return sumbit;
+}
+
+void putbits(uint32_t val, uint32_t nbit)
+{
+  int new_bitpos = CodedData.bitpos + nbit;
+  int ptrpos     = CodedData.bitpos >> 5;
+
+  val = val & (0xffffffff >> (32 - nbit));
+
+  /* data fit in one uint32_t */
+  if(((new_bitpos - 1) >> 5) == ptrpos)
+    CodedData.bbuf[ptrpos] |= val << ((32 - new_bitpos) & 31);
+  else
+  {
+    CodedData.bbuf[ptrpos  ] |= val >> ((new_bitpos - 32) & 31);
+    CodedData.bbuf[ptrpos+1] |= val << ((32 - new_bitpos) & 31);
+  }
+
+  CodedData.bitpos = new_bitpos;
+}
+
+/***************************************************************************/
+/*  Choose the Huffman table that will encode ix[begin..end] with          */
+/*  the fewest bits.                                                       */
+/*  Note: This code contains knowledge about the sizes and characteristic  */
+/*  of the Huffman tables as defined in the IS (Table B.7), and will not   */
+/*  work with any arbitrary tables.                                        */
+/***************************************************************************/
+static int choose_table( short *ix, uint32_t begin, uint32_t end, int *bits )
+{
+  uint32_t i;
+  int    max, table0, table1;
+
+  for(i=begin,max=0; i<end; i++)
+    if(ix[i] > max)
+      max = ix[i];
+
+  if(max < 16)
+  {
+    /* tables without linbits */
+    /* indx: 0  1  2  3  4  5  6  7  8  9 10 11 12  13 14  15 */
+    /*  len: 0, 2, 3, 3, 0, 4, 4, 6, 6, 6, 8, 8, 8, 16, 0, 16 */
+    switch(max)
+    {
+      case 0:  return  0;
+      case 1:  return       count_bit1(ix, begin, end, bits);
+      case 2:  return  2 + find_best_2(ix, begin, end, tab23, 3, bits);
+      case 3:  return  5 + find_best_2(ix, begin, end, tab56, 4, bits);
+      case 4:
+      case 5:  return  7 + find_best_3(ix, begin, end, tab789, 6, bits);
+      case 6:
+      case 7:  return 10 + find_best_3(ix, begin, end, tabABC, 8, bits);
+      default: return 13 + find_best_2(ix, begin, end, tab1315, 16, bits) * 2;
+    }
+  }
+  else
+  {
+    /* tables with linbits */
+    max -= 15;
+
+    for(table0=0; table0<8; table0++)
+      if(ht_big[table0].linmax >= max)
+        break;
+
+    for(table1=8; table1<16; table1++)
+      if(ht_big[table1].linmax >= max)
+        break;
+
+    return 16 + count_bigv(ix, begin, end, table0, table1, bits);
+  }
+}
+
+int find_best_2(short *ix, uint32_t start, uint32_t end, const uint32_t *table,
+                uint32_t len, int *bits)
+{
+  uint32_t i, sum = 0;
+
+  for(i=start; i<end; i+=2)
+    sum += table[ix[i] * len + ix[i+1]];
+
+  if((sum & 0xffff) <= (sum >> 16))
+  {
+    *bits = (sum & 0xffff);
+    return 1;
+  }
+  else
+  {
+    *bits = sum >> 16;
+    return 0;
+  }
+}
+
+int find_best_3(short *ix, uint32_t start, uint32_t end, const uint32_t *table,
+                uint32_t len, int *bits)
+{
+  uint32_t i, j, sum  = 0;
+  int          sum1 = 0;
+  int          sum2 = 0;
+  int          sum3 = 0;
+
+  /* avoid overflow in packed additions: 78*13 < 1024 */
+  for(i=start; i<end; )
+  {
+    j = i + 2*78 > end ? end : i + 2*78;
+
+    for(sum=0; i<j; i+=2)
+      sum += table[ix[i] * len + ix[i+1]];
+
+    sum1 += (sum >> 20);
+    sum2 += (sum >> 10) & 0x3ff;
+    sum3 += (sum >>  0) & 0x3ff;
+  }
+
+  i = 0;
+  if(sum1 > sum2) { sum1 = sum2;  i = 1; }
+  if(sum1 > sum3) { sum1 = sum3;  i = 2; }
+
+  *bits = sum1;
+
+  return i;
+}
+
+/*************************************************************************/
+/* Function: Count the number of bits necessary to code the subregion.   */
+/*************************************************************************/
+int count_bit1(short *ix, uint32_t start, uint32_t end, int *bits )
+{
+  uint32_t i, sum = 0;
+
+  for(i=start; i<end; i+=2)
+    sum += t1l[4 + ix[i] * 2 + ix[i+1]];
+
+  *bits = sum;
+
+  return 1; /* this is table1 */
+}
+
+int count_bigv(short *ix, uint32_t start, uint32_t end, int table0,
+               int table1, int *bits )
+{
+  uint32_t  i, sum0, sum1, sum=0, bigv=0, x, y;
+
+  /* ESC-table is used */
+  for(i=start; i<end; i+=2)
+  {
+    x = ix[i];
+    y = ix[i+1];
+
+    if(x > 14) { x = 15; bigv++; }
+    if(y > 14) { y = 15; bigv++; }
+
+    sum += tab1624[x * 16 + y];
+  }
+
+  sum0 = (sum  >>  16)  + bigv * ht_big[table0].linbits;
+  sum1 = (sum & 0xffff) + bigv * ht_big[table1].linbits;
+
+  if(sum0 <= sum1)
+  {
+    *bits = sum0;
+    return table0;
+  }
+  else
+  {
+    *bits = sum1;
+    return table1;
+  }
+}
+
+/*************************************************************************/
+/* Function: Calculation of rzero, count1, address3                      */
+/* (Partitions ix into big values, quadruples and zeros).                */
+/*************************************************************************/
+static int calc_runlen( short *ix, side_info_t *si )
+{
+  int  p, i, sum = 0;
+
+  for(i=SAMPL2; i-=2; )
+    if(*(uint32_t*)&ix[i-2]) /* !!!! short *ix; !!!!! */
+      break;
+
+  si->count1 = 0;
+
+  for( ; i>3; i-=4)
+  {
+    int v = ix[i-1];
+    int w = ix[i-2];
+    int x = ix[i-3];
+    int y = ix[i-4];
+
+    if((v | w | x | y) <= 1)
+    {
+      p = (y<<3) + (x<<2) + (w<<1) + (v);
+
+      sum += tab01[p];
+
+      si->count1++;
+    }
+    else break;
+  }
+
+  si->address3 = i;
+
+  if((sum >> 16) < (sum & 0xffff))
+  {
+    si->table_select[3] = 0;
+    return sum >> 16;
+  }
+  else
+  {
+    si->table_select[3] = 1;
+    return sum & 0xffff;
+  }
+}
+
+
+/*************************************************************************/
+/*   Function: Quantization of the vector xr ( -> ix)                    */
+/*************************************************************************/
+static int quantize_int(int *xr, short *ix, side_info_t *si)
+{
+  unsigned int i, idx, s, frac_pow[] = { 0x10000, 0xd745, 0xb505, 0x9838 };
+
+  s = frac_pow[si->quantStep & 3] >> si->quantStep / 4;
+
+  /* check for possible 'out of range' values */
+  if(((si->max_val + 256) >> 8) * s >= (65536 << 8))
+    return 0;
+
+  if(((si->max_val + 256) >> 8) * s < (4096 << 8))
+  { /* all values fit the table size */
+    for(i=SAMPL2; i--; )
+      ix[i] = int2idx[(xr[i] * s + 0x8000) >> 16];
+  }
+  else
+  { /* check each index wether it fits the table */
+    for(i=SAMPL2; i--; )
+    {
+      idx = (xr[i] * s + 0x08000) >> 16;
+
+      if(idx > 4095)  ix[i] = int2idx[(idx + 8) >> 4] << 3;
+      else            ix[i] = int2idx[idx];
+    }
+  }
+
+  return 1;
+}
+
+/*************************************************************************/
+/* subdivides the bigvalue region which will use separate Huffman tables */
+/*************************************************************************/
+static void subdivide(side_info_t *si)
+{
+  int scfb, count0, count1;
+
+  if( !si->address3 )
+  { /* no bigvalue region */
+    si->region_0_1 = 0;
+    si->address1   = 0;
+    si->address2   = 0;
+  }
+  else
+  {
+    /* Calculate scale factor band index */
+    for(scfb=0; scalefac[scfb] < si->address3; )
+      scfb++;
+
+    count0 = subdv_table[scfb].region0_cnt;
+    count1 = subdv_table[scfb].region1_cnt;
+
+    si->region_0_1 = (count0 << 3) | count1;
+    si->address1   = scalefac[count0 + 1];
+    si->address2   = scalefac[count0 + 1 + count1 + 1];
+  }
+}
+
+/*******************************************************************/
+/* Count the number of bits necessary to code the bigvalues region */
+/*******************************************************************/
+static int bigv_bitcount(short *ix, side_info_t *gi)
+{
+  int b1=0, b2=0, b3=0;
+
+  /* Select huffman code tables for bigvalues regions */
+  gi->table_select[0] = 0;
+  gi->table_select[1] = 0;
+  gi->table_select[2] = 0;
+
+  if( gi->address1 > 0 )            /* region0 */
+    gi->table_select[0] = choose_table(ix, 0           , gi->address1, &b1);
+
+  if( gi->address2 > gi->address1 ) /* region1 */
+    gi->table_select[1] = choose_table(ix, gi->address1, gi->address2, &b2);
+
+  if( gi->address3 > gi->address2 ) /* region2 */
+    gi->table_select[2] = choose_table(ix, gi->address2, gi->address3, &b3);
+
+  return b1+b2+b3;
+}
+
+static int quantize_and_count_bits(int *xr, short *ix, side_info_t *si)
+{
+  int bits = 10000;
+
+  if(quantize_int(xr, ix, si))
+  {
+    bits = calc_runlen(ix, si);      /* rzero,count1,address3  */
+    subdivide(si);                   /* bigvalues sfb division */
+    bits += bigv_bitcount(ix,si);    /* bit count */
+  }
+
+  return bits;
+}
+
+/************************************************************************/
+/* The code selects the best quantStep for a particular set of scalefacs*/
+/************************************************************************/
+static int inner_loop(int *xr, int max_bits, side_info_t *si)
+{
+  int bits;
+
+  while((bits=quantize_and_count_bits(xr, enc_data, si)) < max_bits-64)
+  {
+    if(si->quantStep == 0)
+      break;
+
+    if(si->quantStep <= 2)
+      si->quantStep  = 0;
+    else
+      si->quantStep -= 2;
+  }
+
+  while(bits > max_bits)
+  {
+    si->quantStep++;
+    bits = quantize_and_count_bits(xr, enc_data, si);
+  }
+
+  return bits;
+}
+
+static void iteration_loop(int *xr, side_info_t *si, int gr_cnt)
+{
+  int remain, tar_bits, max_bits = cfg.mean_bits;
+
+  /* distribute reserved bits to remaining granules */
+  tar_bits = max_bits + (cfg.ResvSize / gr_cnt & ~7);
+  if(tar_bits > max_bits + max_bits/2)
+    tar_bits = max_bits + max_bits/2;
+
+  si->part2_3_length = inner_loop(xr, tar_bits, si);
+  si->global_gain    = si->quantStep + 142 - si->additStep;
+
+  /* unused bits of the reservoir can be used for remaining granules */
+  cfg.ResvSize += max_bits - si->part2_3_length;
+
+  /* end: distribute the reserved bits to one or two granules */
+  if(gr_cnt == 1)
+  {
+    si->part2_3_length += cfg.ResvSize;
+    /* mp3 format allows max 12bits for granule length */
+    if(si->part2_3_length > 4092)
+    {
+      remain = (si->part2_3_length - 4092 + 31) >> 5;
+      si->part2_3_length    -= remain << 5;
+      si[-1].part2_3_length += remain << 5;
+
+      while(remain--)
+        putbits(~0, 32);
+    }
+  }
+}
+
+/* returns sum_j=0^31 a[j]*cos(PI*j*(k+1/2)/32), 0<=k<32 */
+static void window_subband1(short *wk, int sb0[SBLIMIT], int sb1[SBLIMIT])
+{
+  int   k, i, u, v;
+  short *wp, *x1, *x2;
+
+#ifdef CPU_COLDFIRE
+  int s0, s1, t0, t1;
+
+  for(k=0; k<18; k++, wk+=64, sb0+=SBLIMIT, sb1+=SBLIMIT)
+  {
+    wp = enwindow;
+    x1 = wk;
+    x2 = x1 - 124;
+
+    for(i=-15; i<0; i++)
+    {
+      asm volatile(
+      "move.l (-224*4,%[x2]), %%d4\n"   /* d4 = x2[-224] */
+      "movem.l (%[wp]), %%d0-%%d3\n"    /* load 8 values */
+      "mac.w %%d0u, %%d4u,                       %%acc0\n"
+      "mac.w %%d0u, %%d4l, (-160*4,%[x2]), %%d4, %%acc1\n"
+      "mac.w %%d0l, %%d4u,                       %%acc0\n"
+      "mac.w %%d0l, %%d4l, ( -96*4,%[x2]), %%d4, %%acc1\n"
+      "mac.w %%d1u, %%d4u,                       %%acc0\n"
+      "mac.w %%d1u, %%d4l, ( -32*4,%[x2]), %%d4, %%acc1\n"
+      "mac.w %%d1l, %%d4u,                       %%acc0\n"
+      "mac.w %%d1l, %%d4l, (  32*4,%[x2]), %%d4, %%acc1\n"
+      "mac.w %%d2u, %%d4u,                       %%acc0\n"
+      "mac.w %%d2u, %%d4l, (  96*4,%[x2]), %%d4, %%acc1\n"
+      "mac.w %%d2l, %%d4u,                       %%acc0\n"
+      "mac.w %%d2l, %%d4l, ( 160*4,%[x2]), %%d4, %%acc1\n"
+      "mac.w %%d3u, %%d4u,                       %%acc0\n"
+      "mac.w %%d3u, %%d4l, ( 224*4,%[x2]), %%d4, %%acc1\n"
+      "mac.w %%d3l, %%d4u,                       %%acc0\n"
+      "mac.w %%d3l, %%d4l, (-256*4,%[x1]), %%d4, %%acc1\n"
+      "movem.l (16,%[wp]), %%d0-%%d3\n" /* load 8 values */
+      "mac.w %%d0u, %%d4u,                       %%acc0\n"
+      "mac.w %%d0u, %%d4l, (-192*4,%[x1]), %%d4, %%acc1\n"
+      "mac.w %%d0l, %%d4u,                       %%acc0\n"
+      "mac.w %%d0l, %%d4l, (-128*4,%[x1]), %%d4, %%acc1\n"
+      "mac.w %%d1u, %%d4u,                       %%acc0\n"
+      "mac.w %%d1u, %%d4l, ( -64*4,%[x1]), %%d4, %%acc1\n"
+      "mac.w %%d1l, %%d4u,                       %%acc0\n"
+      "mac.w %%d1l, %%d4l, (   0*4,%[x1]), %%d4, %%acc1\n"
+      "mac.w %%d2u, %%d4u,                       %%acc0\n"
+      "mac.w %%d2u, %%d4l, (  64*4,%[x1]), %%d4, %%acc1\n"
+      "mac.w %%d2l, %%d4u,                       %%acc0\n"
+      "mac.w %%d2l, %%d4l, ( 128*4,%[x1]), %%d4, %%acc1\n"
+      "mac.w %%d3u, %%d4u,                       %%acc0\n"
+      "mac.w %%d3u, %%d4l, ( 192*4,%[x1]), %%d4, %%acc1\n"
+      "mac.w %%d3l, %%d4u,                       %%acc0\n"
+      "mac.w %%d3l, %%d4l, ( 224*4,%[x1]), %%d4, %%acc1\n"
+      "movclr.l %%acc0, %%d0\n"
+      "move.l %%d0, %[s0]\n"
+      "movclr.l %%acc1, %%d0\n"
+      "move.l %%d0, %[s1]\n"
+
+      "movem.l (%[wp]), %%d0-%%d3\n"    /* load 8 values */
+      "mac.w %%d0u, %%d4u,                       %%acc0\n"
+      "mac.w %%d0u, %%d4l, ( 160*4,%[x1]), %%d4, %%acc1\n"
+      "mac.w %%d0l, %%d4u,                       %%acc0\n"
+      "mac.w %%d0l, %%d4l, (  96*4,%[x1]), %%d4, %%acc1\n"
+      "mac.w %%d1u, %%d4u,                       %%acc0\n"
+      "mac.w %%d1u, %%d4l, (  32*4,%[x1]), %%d4, %%acc1\n"
+      "mac.w %%d1l, %%d4u,                       %%acc0\n"
+      "mac.w %%d1l, %%d4l, ( -32*4,%[x1]), %%d4, %%acc1\n"
+      "mac.w %%d2u, %%d4u,                       %%acc0\n"
+      "mac.w %%d2u, %%d4l, ( -96*4,%[x1]), %%d4, %%acc1\n"
+      "mac.w %%d2l, %%d4u,                       %%acc0\n"
+      "mac.w %%d2l, %%d4l, (-160*4,%[x1]), %%d4, %%acc1\n"
+      "mac.w %%d3u, %%d4u,                       %%acc0\n"
+      "mac.w %%d3u, %%d4l, (-224*4,%[x1]), %%d4, %%acc1\n"
+      "mac.w %%d3l, %%d4u,                       %%acc0\n"
+      "mac.w %%d3l, %%d4l, ( 256*4,%[x2]), %%d4, %%acc1\n"
+      "movem.l (32,%[wp]), %%d0-%%d3\n"  /* load 8 values */
+      "mac.w %%d0u, %%d4u,                       %%acc0\n"
+      "mac.w %%d0u, %%d4l, ( 192*4,%[x2]), %%d4, %%acc1\n"
+      "mac.w %%d0l, %%d4u,                       %%acc0\n"
+      "mac.w %%d0l, %%d4l, ( 128*4,%[x2]), %%d4, %%acc1\n"
+      "mac.w %%d1u, %%d4u,                       %%acc0\n"
+      "mac.w %%d1u, %%d4l, (  64*4,%[x2]), %%d4, %%acc1\n"
+      "mac.w %%d1l, %%d4u,                       %%acc0\n"
+      "mac.w %%d1l, %%d4l, (   0*4,%[x2]), %%d4, %%acc1\n"
+      "mac.w %%d2u, %%d4u,                       %%acc0\n"
+      "mac.w %%d2u, %%d4l, ( -64*4,%[x2]), %%d4, %%acc1\n"
+      "mac.w %%d2l, %%d4u,                       %%acc0\n"
+      "mac.w %%d2l, %%d4l, (-128*4,%[x2]), %%d4, %%acc1\n"
+      "mac.w %%d3u, %%d4u,                       %%acc0\n"
+      "mac.w %%d3u, %%d4l, (-192*4,%[x2]), %%d4, %%acc1\n"
+      "mac.w %%d3l, %%d4u,                       %%acc0\n"
+      "mac.w %%d3l, %%d4l,                       %%acc1\n"
+      "movclr.l %%acc0, %%d0\n"
+      "move.l %%d0, %[t0]\n"
+      "movclr.l %%acc1, %%d0\n"
+      "move.l %%d0, %[t1]\n"
+
+      : [x1] "+a" (x1), [x2] "+a" (x2), [s0] "+m" (s0), [t0] "+m" (t0),
+                                        [s1] "+m" (s1), [t1] "+m" (t1)
+      : [wp] "a" (wp) : "d0", "d1", "d2", "d3", "d4");
+
+      sb0[30+i*2] =  shft4(t0)          + shft13(s0) * wp[24];
+      sb0[31+i*2] = shft13(t0) * wp[25] - shft13(s0) * wp[26];
+      sb1[30+i*2] =  shft4(t1)          + shft13(s1) * wp[24];
+      sb1[31+i*2] = shft13(t1) * wp[25] - shft13(s1) * wp[26];
+      wp += 27;
+      x1 -=  2;
+      x2 +=  2;
+    }
+
+    asm volatile(
+    "move.l ( -32*4,%[x1]), %%d4\n"   /* d4 = x1[-32] */
+    "movem.l (%[wp]), %%d0-%%d3\n" /* load 8 values */
+
+    "mac.w %%d0u, %%d4u,                       %%acc0\n"
+    "mac.w %%d0u, %%d4l, ( -96*4,%[x1]), %%d4, %%acc1\n"
+    "mac.w %%d0l, %%d4u,                       %%acc0\n"
+    "mac.w %%d0l, %%d4l, (-160*4,%[x1]), %%d4, %%acc1\n"
+    "mac.w %%d1u, %%d4u,                       %%acc0\n"
+    "mac.w %%d1u, %%d4l, (-224*4,%[x1]), %%d4, %%acc1\n"
+    "mac.w %%d1l, %%d4u,                       %%acc0\n"
+    "mac.w %%d1l, %%d4l, (  32*4,%[x1]), %%d4, %%acc1\n"
+    "mac.w %%d2u, %%d4u,                       %%acc0\n"
+    "mac.w %%d2u, %%d4l, (  96*4,%[x1]), %%d4, %%acc1\n"
+    "mac.w %%d2l, %%d4u,                       %%acc0\n"
+    "mac.w %%d2l, %%d4l, ( 160*4,%[x1]), %%d4, %%acc1\n"
+    "mac.w %%d3u, %%d4u,                       %%acc0\n"
+    "mac.w %%d3u, %%d4l, ( 224*4,%[x1]), %%d4, %%acc1\n"
+    "mac.w %%d3l, %%d4u,                       %%acc0\n"
+    "mac.w %%d3l, %%d4l, ( -16*4,%[x1]), %%d4, %%acc1\n"
+    "movclr.l %%acc0, %%d0\n"
+    "move.l %%d0, %[s0]\n"
+    "movclr.l %%acc1, %%d0\n"
+    "move.l %%d0, %[s1]\n"
+
+    "movem.l (16,%[wp]), %%d0-%%d3\n" /* load 8 values */
+    "mac.w %%d0u, %%d4u,                       %%acc0\n"
+    "mac.w %%d0u, %%d4l, ( -48*4,%[x1]), %%d4, %%acc1\n"
+    "mac.w %%d1u, %%d4u,                       %%acc0\n"
+    "mac.w %%d1u, %%d4l, (  16*4,%[x1]), %%d4, %%acc1\n"
+    "mac.w %%d1l, %%d4u,                       %%acc0\n"
+    "mac.w %%d1l, %%d4l, ( -80*4,%[x1]), %%d4, %%acc1\n"
+    "mac.w %%d2u, %%d4u,                       %%acc0\n"
+    "mac.w %%d2u, %%d4l, (  48*4,%[x1]), %%d4, %%acc1\n"
+    "mac.w %%d2u, %%d4u,                       %%acc0\n"
+    "mac.w %%d2u, %%d4l, (-112*4,%[x1]), %%d4, %%acc1\n"
+    "mac.w %%d3u, %%d4u,                       %%acc0\n"
+    "mac.w %%d3u, %%d4l, (  80*4,%[x1]), %%d4, %%acc1\n"
+    "mac.w %%d3l, %%d4u,                       %%acc0\n"
+    "mac.w %%d3l, %%d4l, (-144*4,%[x1]), %%d4, %%acc1\n"
+    "movem.l (32,%[wp]), %%d0-%%d3\n" /* load 8 values */
+    "mac.w %%d0u, %%d4u,                       %%acc0\n"
+    "mac.w %%d0u, %%d4l, ( 112*4,%[x1]), %%d4, %%acc1\n"
+    "mac.w %%d0u, %%d4u,                       %%acc0\n"
+    "mac.w %%d0u, %%d4l, (-176*4,%[x1]), %%d4, %%acc1\n"
+    "mac.w %%d1u, %%d4u,                       %%acc0\n"
+    "mac.w %%d1u, %%d4l, ( 144*4,%[x1]), %%d4, %%acc1\n"
+    "mac.w %%d1l, %%d4u,                       %%acc0\n"
+    "mac.w %%d1l, %%d4l, (-208*4,%[x1]), %%d4, %%acc1\n"
+    "mac.w %%d2u, %%d4u,                       %%acc0\n"
+    "mac.w %%d2u, %%d4l, ( 176*4,%[x1]), %%d4, %%acc1\n"
+    "mac.w %%d2u, %%d4u,                       %%acc0\n"
+    "mac.w %%d2u, %%d4l, (-240*4,%[x1]), %%d4, %%acc1\n"
+    "mac.w %%d3u, %%d4u,                       %%acc0\n"
+    "mac.w %%d3u, %%d4l, ( 208*4,%[x1]), %%d4, %%acc1\n"
+    "mac.w %%d3l, %%d4u,                       %%acc0\n"
+    "mac.w %%d3l, %%d4l,                       %%acc1\n"
+    "movclr.l %%acc0, %%d0\n"
+    "move.l %%d0, %[t0]\n"
+    "movclr.l %%acc1, %%d0\n"
+    "move.l %%d0, %[t1]\n"
+
+    : [x1] "+a" (x1), [s0] "+m" (s0), [t0] "+m" (t0),
+                      [s1] "+m" (s1), [t1] "+m" (t1)
+    : [wp] "a" (wp) : "d0", "d1", "d2", "d3", "d4");
+
+    u  = shft4(s0 - t0);
+    v  = shft4(s0 + t0);
+    t0 = sb0[14];
+    s0 = sb0[15] - t0;
+
+    sb0[31] = v + t0;   /* A0 */
+    sb0[30] = u + s0;   /* A1 */
+    sb0[15] = u - s0;   /* A2 */
+    sb0[14] = v - t0;   /* A3 */
+
+    u  = shft4(s1 - t1);
+    v  = shft4(s1 + t1);
+    t1 = sb1[14];
+    s1 = sb1[15] - t1;
+
+    sb1[31] = v + t1;   /* A0 */
+    sb1[30] = u + s1;   /* A1 */
+    sb1[15] = u - s1;   /* A2 */
+    sb1[14] = v - t1;   /* A3 */
+  }
+#else
+  int ch, s, t, *a;
+
+  for(ch=0; ch<cfg.channels; ch++)
+  {
+    a = ch ? sb1 : sb0;
+    for(k=0; k<18; k++, wk+=64, a+=SBLIMIT)
+    {
+      wp = enwindow;
+      x1 = wk;
+      x2 = x1 - 124;
+
+      /* x1[-572] .... x1[448] = 1022 */
+      /* 18*4*16*32 */
+      for(i=-15; i<0; i++)
+      {
+        s  = (int)x2[-224*2] * wp[ 0];  t  = (int)x1[ 224*2] * wp[ 0];
+        s += (int)x2[-160*2] * wp[ 1];  t += (int)x1[ 160*2] * wp[ 1];
+        s += (int)x2[- 96*2] * wp[ 2];  t += (int)x1[  96*2] * wp[ 2];
+        s += (int)x2[- 32*2] * wp[ 3];  t += (int)x1[  32*2] * wp[ 3];
+        s += (int)x2[  32*2] * wp[ 4];  t += (int)x1[- 32*2] * wp[ 4];
+        s += (int)x2[  96*2] * wp[ 5];  t += (int)x1[- 96*2] * wp[ 5];
+        s += (int)x2[ 160*2] * wp[ 6];  t += (int)x1[-160*2] * wp[ 6];
+        s += (int)x2[ 224*2] * wp[ 7];  t += (int)x1[-224*2] * wp[ 7];
+        s += (int)x1[-256*2] * wp[ 8];  t += (int)x2[ 256*2] * wp[16];
+        s += (int)x1[-192*2] * wp[ 9];  t += (int)x2[ 192*2] * wp[17];
+        s += (int)x1[-128*2] * wp[10];  t += (int)x2[ 128*2] * wp[18];
+        s += (int)x1[- 64*2] * wp[11];  t += (int)x2[  64*2] * wp[19];
+        s += (int)x1[   0*2] * wp[12];  t += (int)x2[   0*2] * wp[20];
+        s += (int)x1[  64*2] * wp[13];  t += (int)x2[- 64*2] * wp[21];
+        s += (int)x1[ 128*2] * wp[14];  t += (int)x2[-128*2] * wp[22];
+        s += (int)x1[ 192*2] * wp[15];  t += (int)x2[-192*2] * wp[23];
+
+        a[30+i*2] =  shft4(t)          + shft13(s) * wp[24];
+        a[31+i*2] = shft13(t) * wp[25] - shft13(s) * wp[26];
+        wp += 27;
+        x1 -=  2;
+        x2 +=  2;
+      }
+
+      t  =  (int)x1[- 16*2]            * wp[ 8];  s  = (int)x1[ -32*2] * wp[0];
+      t += ((int)x1[- 48*2]-x1[ 16*2]) * wp[10];  s += (int)x1[ -96*2] * wp[1];
+      t += ((int)x1[- 80*2]+x1[ 48*2]) * wp[12];  s += (int)x1[-160*2] * wp[2];
+      t += ((int)x1[-112*2]-x1[ 80*2]) * wp[14];  s += (int)x1[-224*2] * wp[3];
+      t += ((int)x1[-144*2]+x1[112*2]) * wp[16];  s += (int)x1[  32*2] * wp[4];
+      t += ((int)x1[-176*2]-x1[144*2]) * wp[18];  s += (int)x1[  96*2] * wp[5];
+      t += ((int)x1[-208*2]+x1[176*2]) * wp[20];  s += (int)x1[ 160*2] * wp[6];
+      t += ((int)x1[-240*2]-x1[208*2]) * wp[22];  s += (int)x1[ 224*2] * wp[7];
+
+      u = shft4(s - t);
+      v = shft4(s + t);
+      t = a[14];
+      s = a[15] - t;
+
+      a[31] = v + t;   /* A0 */
+      a[30] = u + s;   /* A1 */
+      a[15] = u - s;   /* A2 */
+      a[14] = v - t;   /* A3 */
+    }
+    wk -= 18 * 64 - 1; /* rewind wk (to next channel start) */
+  }
+#endif
+}
+
+static void window_subband2(short *x1, int a[SBLIMIT])
+{
+  int   xr;
+  short *wp = enwindow;
+  short *x2 = x1 - 124;
+
+  wp += 27 * 15;
+  x1 -=  2 * 15;
+  x2 +=  2 * 15;
+
+  xr = a[28] - a[0];  a[0] += a[28];  a[28] = shft9(xr) * wp[-2*27+25];
+  xr = a[29] - a[1];  a[1] += a[29];  a[29] = shft9(xr) * wp[-2*27+25];
+  xr = a[26] - a[2];  a[2] += a[26];  a[26] = shft9(xr) * wp[-4*27+25];
+  xr = a[27] - a[3];  a[3] += a[27];  a[27] = shft9(xr) * wp[-4*27+25];
+  xr = a[24] - a[4];  a[4] += a[24];  a[24] = shft9(xr) * wp[-6*27+25];
+  xr = a[25] - a[5];  a[5] += a[25];  a[25] = shft9(xr) * wp[-6*27+25];
+  xr = a[22] - a[6];  a[6] += a[22];  a[22] = shft9(xr) * SQRT        ;
+  xr = a[23] - a[7];  a[7] += a[23];  a[23] = shft9(xr) * SQRT  - a[7];
+  a[ 7] -= a[ 6];
+  a[22] -= a[ 7];
+  a[23] -= a[22];
+
+  xr = a[ 6];  a[ 6] = a[31] - xr;  a[31] = a[31] + xr;
+  xr = a[ 7];  a[ 7] = a[30] - xr;  a[30] = a[30] + xr;
+  xr = a[22];  a[22] = a[15] - xr;  a[15] = a[15] + xr;
+  xr = a[23];  a[23] = a[14] - xr;  a[14] = a[14] + xr;
+
+  xr = a[20] - a[ 8];  a[ 8] += a[20];  a[20] = shft9(xr) * wp[-10*27+25];
+  xr = a[21] - a[ 9];  a[ 9] += a[21];  a[21] = shft9(xr) * wp[-10*27+25];
+  xr = a[18] - a[10];  a[10] += a[18];  a[18] = shft9(xr) * wp[-12*27+25];
+  xr = a[19] - a[11];  a[11] += a[19];  a[19] = shft9(xr) * wp[-12*27+25];
+  xr = a[16] - a[12];  a[12] += a[16];  a[16] = shft9(xr) * wp[-14*27+25];
+  xr = a[17] - a[13];  a[13] += a[17];  a[17] = shft9(xr) * wp[-14*27+25];
+  xr =-a[20] + a[24];  a[20] += a[24];  a[24] = shft9(xr) * wp[-12*27+25];
+  xr =-a[21] + a[25];  a[21] += a[25];  a[25] = shft9(xr) * wp[-12*27+25];
+  xr = a[ 4] - a[ 8];  a[ 4] += a[ 8];  a[ 8] = shft9(xr) * wp[-12*27+25];
+  xr = a[ 5] - a[ 9];  a[ 5] += a[ 9];  a[ 9] = shft9(xr) * wp[-12*27+25];
+  xr = a[ 0] - a[12];  a[ 0] += a[12];  a[12] = shft9(xr) * wp[ -4*27+25];
+  xr = a[ 1] - a[13];  a[ 1] += a[13];  a[13] = shft9(xr) * wp[ -4*27+25];
+  xr = a[16] - a[28];  a[16] += a[28];  a[28] = shft9(xr) * wp[ -4*27+25];
+  xr =-a[17] + a[29];  a[17] += a[29];  a[29] = shft9(xr) * wp[ -4*27+25];
+
+  xr = SQRT * shft9(a[ 2] - a[10]);  a[ 2] += a[10];  a[10] = xr;
+  xr = SQRT * shft9(a[ 3] - a[11]);  a[ 3] += a[11];  a[11] = xr;
+  xr = SQRT * shft9(a[26] - a[18]);  a[18] += a[26];  a[26] = xr - a[18];
+  xr = SQRT * shft9(a[27] - a[19]);  a[19] += a[27];  a[27] = xr - a[19];
+
+  xr = a[ 2];  a[19] -= a[ 3];  a[ 3] -= xr;  a[ 2] = a[31] - xr;  a[31] += xr;
+  xr = a[ 3];  a[11] -= a[19];  a[18] -= xr;  a[ 3] = a[30] - xr;  a[30] += xr;
+  xr = a[18];  a[27] -= a[11];  a[19] -= xr;  a[18] = a[15] - xr;  a[15] += xr;
+
+  xr = a[19];  a[10] -= xr;  a[19] = a[14] - xr;  a[14] += xr;
+  xr = a[10];  a[11] -= xr;  a[10] = a[23] - xr;  a[23] += xr;
+  xr = a[11];  a[26] -= xr;  a[11] = a[22] - xr;  a[22] += xr;
+  xr = a[26];  a[27] -= xr;  a[26] = a[ 7] - xr;  a[ 7] += xr;
+
+  xr = a[27];  a[27] = a[6] - xr;  a[6] += xr;
+
+  xr = SQRT * shft9(a[ 0] - a[ 4]);  a[ 0] += a[ 4];  a[ 4] = xr;
+  xr = SQRT * shft9(a[ 1] - a[ 5]);  a[ 1] += a[ 5];  a[ 5] = xr;
+  xr = SQRT * shft9(a[16] - a[20]);  a[16] += a[20];  a[20] = xr;
+  xr = SQRT * shft9(a[17] - a[21]);  a[17] += a[21];  a[21] = xr;
+  xr =-SQRT * shft9(a[ 8] - a[12]);  a[ 8] += a[12];  a[12] = xr - a[ 8];
+  xr =-SQRT * shft9(a[ 9] - a[13]);  a[ 9] += a[13];  a[13] = xr - a[ 9];
+  xr =-SQRT * shft9(a[25] - a[29]);  a[25] += a[29];  a[29] = xr - a[25];
+  xr =-SQRT * shft9(a[24] + a[28]);  a[24] -= a[28];  a[28] = xr - a[24];
+
+  xr = a[24] - a[16]; a[24] = xr;
+  xr = a[20] - xr;    a[20] = xr;
+  xr = a[28] - xr;    a[28] = xr;
+
+  xr = a[25] - a[17]; a[25] = xr;
+  xr = a[21] - xr;    a[21] = xr;
+  xr = a[29] - xr;    a[29] = xr;
+
+  xr = a[17] - a[1];  a[17] = xr;
+  xr = a[ 9] - xr;    a[ 9] = xr;
+  xr = a[25] - xr;    a[25] = xr;
+  xr = a[ 5] - xr;    a[ 5] = xr;
+  xr = a[21] - xr;    a[21] = xr;
+  xr = a[13] - xr;    a[13] = xr;
+  xr = a[29] - xr;    a[29] = xr;
+
+  xr = a[ 1] - a[0];  a[ 1] = xr;
+  xr = a[16] - xr;    a[16] = xr;
+  xr = a[17] - xr;    a[17] = xr;
+  xr = a[ 8] - xr;    a[ 8] = xr;
+  xr = a[ 9] - xr;    a[ 9] = xr;
+  xr = a[24] - xr;    a[24] = xr;
+  xr = a[25] - xr;    a[25] = xr;
+  xr = a[ 4] - xr;    a[ 4] = xr;
+  xr = a[ 5] - xr;    a[ 5] = xr;
+  xr = a[20] - xr;    a[20] = xr;
+  xr = a[21] - xr;    a[21] = xr;
+  xr = a[12] - xr;    a[12] = xr;
+  xr = a[13] - xr;    a[13] = xr;
+  xr = a[28] - xr;    a[28] = xr;
+  xr = a[29] - xr;    a[29] = xr;
+
+  xr = a[ 0];  a[ 0] += a[31];  a[31] -= xr;
+  xr = a[ 1];  a[ 1] += a[30];  a[30] -= xr;
+  xr = a[16];  a[16] += a[15];  a[15] -= xr;
+  xr = a[17];  a[17] += a[14];  a[14] -= xr;
+  xr = a[ 8];  a[ 8] += a[23];  a[23] -= xr;
+  xr = a[ 9];  a[ 9] += a[22];  a[22] -= xr;
+  xr = a[24];  a[24] += a[ 7];  a[ 7] -= xr;
+  xr = a[25];  a[25] += a[ 6];  a[ 6] -= xr;
+  xr = a[ 4];  a[ 4] += a[27];  a[27] -= xr;
+  xr = a[ 5];  a[ 5] += a[26];  a[26] -= xr;
+  xr = a[20];  a[20] += a[11];  a[11] -= xr;
+  xr = a[21];  a[21] += a[10];  a[10] -= xr;
+  xr = a[12];  a[12] += a[19];  a[19] -= xr;
+  xr = a[13];  a[13] += a[18];  a[18] -= xr;
+  xr = a[28];  a[28] += a[ 3];  a[ 3] -= xr;
+  xr = a[29];  a[29] += a[ 2];  a[ 2] -= xr;
+}
+
+static void mdct_long(int *out, int *in)
+{
+  int ct,st;
+  int tc1, tc2, tc3, tc4, ts5, ts6, ts7, ts8;
+  int ts1, ts2, ts3, ts4, tc5, tc6, tc7, tc8;
+
+  /* 1,2, 5,6, 9,10, 13,14, 17 */
+  tc1 = in[17] - in[ 9];
+  tc3 = in[15] - in[11];
+  tc4 = in[14] - in[12];
+  ts5 = in[ 0] + in[ 8];
+  ts6 = in[ 1] + in[ 7];
+  ts7 = in[ 2] + in[ 6];
+  ts8 = in[ 3] + in[ 5];
+
+  out[17] = (ts5 + ts7 - ts8) * cx[8] - (ts6 - in[4]) * cx[8];
+  st      = (ts5 + ts7 - ts8) * cx[7] + (ts6 - in[4]) * cx[8];
+  ct      = (tc1 - tc3 - tc4) * cx[6];
+  out[5]  = ct + st;
+  out[6]  = ct - st;
+
+  tc2     = (in[16] - in[10]) * cx[6];
+  ts6     =  ts6 * cx[7] + in[4] * cx[8];
+
+  ct      =  tc1 * cx[0] + tc2 + tc3 * cx[1] + tc4 * cx[2];
+  st      = -ts5 * cx[4] + ts6 - ts7 * cx[5] + ts8 * cx[3];
+  out[1]  = ct + st;
+  out[2]  = ct - st;
+
+  ct      =  tc1 * cx[1] - tc2 - tc3 * cx[2] + tc4 * cx[0];
+  st      = -ts5 * cx[5] + ts6 - ts7 * cx[3] + ts8 * cx[4];
+  out[ 9] = ct + st;
+  out[10] = ct - st;
+
+  ct      = tc1 * cx[2] - tc2 + tc3 * cx[0] - tc4 * cx[1];
+  st      = ts5 * cx[3] - ts6 + ts7 * cx[4] - ts8 * cx[5];
+  out[13] = ct + st;
+  out[14] = ct - st;
+
+  ts1 = in[ 8] - in[ 0];
+  ts3 = in[ 6] - in[ 2];
+  ts4 = in[ 5] - in[ 3];
+  tc5 = in[17] + in[ 9];
+  tc6 = in[16] + in[10];
+  tc7 = in[15] + in[11];
+  tc8 = in[14] + in[12];
+
+  out[0]  = (tc5 + tc7 + tc8) * cx[8] + (tc6 + in[13]) * cx[8];
+  ct      = (tc5 + tc7 + tc8) * cx[7] - (tc6 + in[13]) * cx[8];
+  st      = (ts1 - ts3 + ts4) * cx[6];
+  out[11] = ct + st;
+  out[12] = ct - st;
+
+  ts2     = (in[7] - in[1]) * cx[6];
+  tc6     = in[13] * cx[8] - tc6 * cx[7];
+
+  ct      = tc5 * cx[3] - tc6 + tc7 * cx[4] + tc8 * cx[5];
+  st      = ts1 * cx[2] + ts2 + ts3 * cx[0] + ts4 * cx[1];
+  out[3]  = ct + st;
+  out[4]  = ct - st;
+
+  ct      =-tc5 * cx[5] + tc6 - tc7 * cx[3] - tc8 * cx[4];
+  st      = ts1 * cx[1] + ts2 - ts3 * cx[2] - ts4 * cx[0];
+  out[7]  = ct + st;
+  out[8]  = ct - st;
+
+  ct      =-tc5 * cx[4] + tc6 - tc7 * cx[5] - tc8 * cx[3];
+  st      = ts1 * cx[0] - ts2 + ts3 * cx[1] - ts4 * cx[2];
+  out[15] = ct + st;
+  out[16] = ct - st;
+}
+
+static int find_bitrate_index(int type, int bitrate /*, bool stereo */)
+{
+    int i;
+
+    for(i=0;i<14;i++)
+        if(bitrate == bitr_index[type][i])
+            break;
+    return i;
+}
+
+static int find_samplerate_index(unsigned long freq, int *mp3_type)
+{
+    int mpeg = freq >= (32000+24000)/2 ? 1 : 0;
+
+    unsigned long dmin = ULONG_MAX;
+    int idmin = -1, i;
+
+    for (i = 0; i < 3; i++)
+    {
+        unsigned long diff;
+
+        if (sampr_index[mpeg][i] == freq)
+        {
+            idmin = i;
+            break;
+        }
+
+        if ((long)sampr_index[mpeg][i] < (long)freq)
+            diff = freq - sampr_index[mpeg][i];
+        else
+            diff = sampr_index[mpeg][i] - freq;
+
+        if (diff < dmin)
+        {
+            dmin = diff;
+            idmin = i;
+        }
+    }
+
+    *mp3_type = mpeg;
+    return idmin;
+}
+
+static bool init_mp3_encoder_engine(int sample_rate, int num_channels, int bitrate)
+{
+    const bool stereo = num_channels > 1;
+    uint32_t avg_byte_per_frame;
+
+    cfg.channels      = stereo ? 2 : 1;
+    cfg.mpg.mode      = stereo ? 0 : 3; /* 0=stereo, 3=mono */
+    cfg.mpg.smpl_id   = find_samplerate_index(sample_rate, &cfg.mpg.type);
+    cfg.samplerate    = sampr_index[cfg.mpg.type][cfg.mpg.smpl_id];
+    cfg.mpg.bitr_id   = find_bitrate_index(cfg.mpg.type, bitrate /*, stereo */);
+    cfg.mpg.bitrate   = bitr_index[cfg.mpg.type][cfg.mpg.bitr_id];
+    cfg.mpg.num_bands = num_bands[stereo ? cfg.mpg.type : 2][cfg.mpg.bitr_id];
+
+    if (cfg.mpg.type == 1)
+    {
+        cfg.granules = 2;
+        pcm_chunk_size = PCM_CHUNK_SIZE1;
+        samp_per_frame = SAMP_PER_FRAME1;
+    }
+    else
+    {
+        cfg.granules = 1;
+        pcm_chunk_size = PCM_CHUNK_SIZE2;
+        samp_per_frame = SAMP_PER_FRAME2;
+    }
+
+    memcpy(scalefac, sfBand[cfg.mpg.smpl_id + 3*cfg.mpg.type], sizeof(scalefac));
+    memset(mfbuf     , 0              , sizeof(mfbuf     ));
+    memset(mdct_freq , 0              , sizeof(mdct_freq ));
+    memset(enc_data  , 0              , sizeof(enc_data  ));
+    memset(sb_data   , 0              , sizeof(sb_data   ));
+    memset(&CodedData, 0              , sizeof(CodedData ));
+    memcpy(ca        , ca_const       , sizeof(ca        ));
+    memcpy(cs        , cs_const       , sizeof(cs        ));
+    memcpy(cx        , cx_const       , sizeof(cx        ));
+    memcpy(win       , win_const      , sizeof(win       ));
+    memcpy(enwindow  , enwindow_const , sizeof(enwindow  ));
+    memcpy(int2idx   , int2idx_const  , sizeof(int2idx   ));
+    memcpy(ht_count  , ht_count_const , sizeof(ht_count  ));
+    memcpy( tab01    , tab01_const    , sizeof(tab01     ));
+    memcpy( tab23    , tab23_const    , sizeof(tab23     ));
+    memcpy( tab56    , tab56_const    , sizeof(tab56     ));
+    memcpy( tab1315  , tab1315_const  , sizeof(tab1315   ));
+    memcpy( tab1624  , tab1624_const  , sizeof(tab1624   ));
+    memcpy( tab789   , tab789_const   , sizeof(tab789    ));
+    memcpy( tabABC   , tabABC_const   , sizeof(tabABC    ));
+    memcpy( t1HB     , t1HB_const     , sizeof(t1HB      ));
+    memcpy( t2HB     , t2HB_const     , sizeof(t2HB      ));
+    memcpy( t3HB     , t3HB_const     , sizeof(t3HB      ));
+    memcpy( t5HB     , t5HB_const     , sizeof(t5HB      ));
+    memcpy( t6HB     , t6HB_const     , sizeof(t6HB      ));
+    memcpy( t7HB     , t7HB_const     , sizeof(t7HB      ));
+    memcpy( t8HB     , t8HB_const     , sizeof(t8HB      ));
+    memcpy( t9HB     , t9HB_const     , sizeof(t9HB      ));
+    memcpy(t10HB     , t10HB_const    , sizeof(t10HB     ));
+    memcpy(t11HB     , t11HB_const    , sizeof(t11HB     ));
+    memcpy(t12HB     , t12HB_const    , sizeof(t12HB     ));
+    memcpy(t13HB     , t13HB_const    , sizeof(t13HB     ));
+    memcpy(t15HB     , t15HB_const    , sizeof(t15HB     ));
+    memcpy(t16HB     , t16HB_const    , sizeof(t16HB     ));
+    memcpy(t24HB     , t24HB_const    , sizeof(t24HB     ));
+    memcpy( t1l      , t1l_const      , sizeof(t1l       ));
+    memcpy( t2l      , t2l_const      , sizeof(t2l       ));
+    memcpy( t3l      , t3l_const      , sizeof(t3l       ));
+    memcpy( t5l      , t5l_const      , sizeof(t5l       ));
+    memcpy( t6l      , t6l_const      , sizeof(t6l       ));
+    memcpy( t7l      , t7l_const      , sizeof(t7l       ));
+    memcpy( t8l      , t8l_const      , sizeof(t8l       ));
+    memcpy( t9l      , t9l_const      , sizeof(t9l       ));
+    memcpy(t10l      , t10l_const     , sizeof(t10l      ));
+    memcpy(t11l      , t11l_const     , sizeof(t11l      ));
+    memcpy(t12l      , t12l_const     , sizeof(t12l      ));
+    memcpy(t13l      , t13l_const     , sizeof(t13l      ));
+    memcpy(t15l      , t15l_const     , sizeof(t15l      ));
+    memcpy(t16l      , t16l_const     , sizeof(t16l      ));
+    memcpy(t24l      , t24l_const     , sizeof(t24l      ));
+    memcpy(ht        , ht_const       , sizeof(ht        ));
+
+    ht[ 0].table =  NULL;  ht[ 0].hlen = NULL; /* Apparently not used */
+    ht[ 1].table =  t1HB;  ht[ 1].hlen =  t1l;
+    ht[ 2].table =  t2HB;  ht[ 2].hlen =  t2l;
+    ht[ 3].table =  t3HB;  ht[ 3].hlen =  t3l;
+    ht[ 4].table =  NULL;  ht[ 4].hlen = NULL; /* Apparently not used */
+    ht[ 5].table =  t5HB;  ht[ 5].hlen =  t5l;
+    ht[ 6].table =  t6HB;  ht[ 6].hlen =  t6l;
+    ht[ 7].table =  t7HB;  ht[ 7].hlen =  t7l;
+    ht[ 8].table =  t8HB;  ht[ 8].hlen =  t8l;
+    ht[ 9].table =  t9HB;  ht[ 9].hlen =  t9l;
+    ht[10].table = t10HB;  ht[10].hlen = t10l;
+    ht[11].table = t11HB;  ht[11].hlen = t11l;
+    ht[12].table = t12HB;  ht[12].hlen = t12l;
+    ht[13].table = t13HB;  ht[13].hlen = t13l;
+    ht[14].table =  NULL;  ht[14].hlen = NULL; /* Apparently not used */
+    ht[15].table = t15HB;  ht[15].hlen = t15l;
+
+    /* Figure average number of 'bytes' per frame */
+    avg_byte_per_frame = SAMPL2 * 16000 * cfg.mpg.bitrate / (2 - cfg.mpg.type);
+    avg_byte_per_frame = avg_byte_per_frame / cfg.samplerate;
+    cfg.byte_per_frame = avg_byte_per_frame / 64;
+    cfg.frac_per_frame = avg_byte_per_frame & 63;
+    cfg.slot_lag       = 0;
+    cfg.sideinfo_len   = 32 + (cfg.mpg.type ? (cfg.channels == 1 ? 136 : 256)
+                                            : (cfg.channels == 1 ?  72 : 136));
+
+    return true;
+}
+
+static inline void to_mono(uint32_t **samp)
+{
+    int32_t lr = **samp;
+    int32_t m  = (int16_t)lr + (lr >> 16) + err;
+    err = m & 1;
+    m >>= 1;
+    *(*samp)++ = (m << 16) | (uint16_t)m;
+} /* to_mono */
+
+static void to_mono_mm(void)
+{
+    /* |llllllllllllllll|rrrrrrrrrrrrrrrr| =>
+     * |mmmmmmmmmmmmmmmm|mmmmmmmmmmmmmmmm|
+     */
+    uint32_t *samp = (uint32_t *)&mfbuf[2*512];
+    uint32_t *samp_end = samp + samp_per_frame;
+
+    do
+    {
+        to_mono(&samp);
+        to_mono(&samp);
+        to_mono(&samp);
+        to_mono(&samp);
+        to_mono(&samp);
+        to_mono(&samp);
+        to_mono(&samp);
+        to_mono(&samp);
+    }
+    while (samp < samp_end);
+} /* to_mono_mm */
+
+#ifdef ROCKBOX_LITTLE_ENDIAN
+
+/* Swaps a frame to big endian */
+static inline void byte_swap_frame32(uint32_t *dst, uint32_t *src,
+                                     size_t size)
+{
+    assert(dst); assert(src);
+    uint32_t *src_end = SKIPBYTES(src, size);
+
+    do
+    {
+#define swap32 bswap_32
+        *dst++ = swap32(*src); src++;
+        *dst++ = swap32(*src); src++;
+        *dst++ = swap32(*src); src++;
+        *dst++ = swap32(*src); src++;
+        *dst++ = swap32(*src); src++;
+        *dst++ = swap32(*src); src++;
+        *dst++ = swap32(*src); src++;
+        *dst++ = swap32(*src); src++;
+    }
+    while(src < src_end);
+} /* byte_swap_frame32 */
+#endif /* ROCKBOX_LITTLE_ENDIAN */
+
+static void set_scale_facs(int *mdct_freq)
+{
+  unsigned int i, is, ie, k, s;
+  int max_freq_val, avrg_freq_val;
+
+  /* calc average of first 256 frequency values */
+  for(avrg_freq_val=i=0; i<256; i++)
+    avrg_freq_val += mdct_freq[i];
+  avrg_freq_val >>= 8;
+
+  /* if max of current band is smaller than average, increase precision */
+  /* last band keeps untouched (not scaled) */
+  for(is=k=0; is<scalefac[21]; k++)
+  {
+    max_freq_val = 0;
+
+    for(i=is, ie=scalefac[k+1]; i<ie; i++)
+      if(max_freq_val < mdct_freq[i])
+        max_freq_val = mdct_freq[i];
+
+    for(s=0; s<3; s++)
+      if((max_freq_val<<s) > avrg_freq_val)
+        break;
+
+    band_scale_f[k] = (unsigned char)s;
+
+    for(i=is; s && i<ie; i++)
+      mdct_freq[i] <<= s;
+
+    is = ie;
+  }
+}
+
+static void encode_frame(char *buffer, struct enc_chunk_hdr *chunk)
+{
+   int      gr, gr_cnt;
+   uint32_t max;
+    /* encode one mp3 frame in this loop */
+    CodedData.bitpos = 0;
+    memset(CodedData.bbuf, 0, sizeof(CodedData.bbuf));
+
+    if((cfg.slot_lag += cfg.frac_per_frame) >= 64)
+    {   /* Padding for this frame */
+        cfg.slot_lag   -= 64;
+        cfg.mpg.padding = 1;
+    }
+    else
+        cfg.mpg.padding = 0;
+
+    cfg.mean_bits = (8 * cfg.byte_per_frame + 8 * cfg.mpg.padding
+                       - cfg.sideinfo_len) / cfg.granules / cfg.channels
+                       - 42; // reserved for scale_facs
+
+    /* shift out old samples */
+    memcpy(mfbuf, mfbuf + 2*cfg.granules*576, 4*512);
+
+    if (chunk->flags & CHUNKF_START_FILE)
+    {
+        /* prefix silent samples for encoder delay */
+        memset(mfbuf + 2*512, 0, ENC_DELAY_SIZE);
+        /* read new samples to iram for further processing */
+        memcpy(mfbuf + 2*512 + ENC_DELAY_SIZE/2,
+               buffer, pcm_chunk_size - ENC_DELAY_SIZE);
+        chunk->num_pcm = samp_per_frame - ENC_DELAY_SAMP;
+    }
+    else
+    {
+        /* read new samples to iram for further processing */
+        memcpy(mfbuf + 2*512, buffer, pcm_chunk_size);
+        chunk->num_pcm = samp_per_frame;
+    }
+
+    if (cfg.channels == 1)
+        to_mono_mm();
+
+    cfg.ResvSize = 0;
+    gr_cnt = cfg.granules * cfg.channels;
+    CodedData.bitpos = cfg.sideinfo_len; /* leave space for mp3 header */
+
+    for(gr=0; gr<cfg.granules; gr++)
+    {
+        short *wk = mfbuf + 2*286 + gr*1152;
+        int ch;
+
+        /* 16bit packed wav data can be windowed efficiently on coldfire */
+        window_subband1(wk, sb_data[0][1-gr][0], sb_data[1][1-gr][0]);
+
+        for(ch=0; ch<cfg.channels; ch++)
+        {
+            int   ii, k, shift;
+
+            wk = mfbuf + 2*286 + gr*1152 + ch;
+
+            /* 36864=4*18*16*32 */
+            for(k=0; k<18; k++, wk+=64)
+            {
+                window_subband2(wk, sb_data[ch][1-gr][k]);
+                /* Compensate for inversion in the analysis filter */
+                if(k & 1)
+                {
+                    int band;
+                    for(band=1; band<32; band+=2)
+                        sb_data[ch][1-gr][k][band] *= -1;
+                }
+            }
+
+            /* Perform imdct of 18 previous + 18 current subband samples */
+            /* for integer precision do this loop again (if neccessary)  */
+            shift = 14 - (cfg.cod_info[gr][ch].additStep >> 2);
+            for(k=1,ii=0; ii<3 && k; ii++)
+            {
+                int *mdct = mdct_freq;
+                int band;
+
+                cfg.cod_info[gr][ch].additStep = 4 * (14 - shift);
+
+                for(band=0; band<cfg.mpg.num_bands; band++, mdct+=18)
+                {
+                    int *band0 = sb_data[ch][  gr][0] + order[band];
+                    int *band1 = sb_data[ch][1-gr][0] + order[band];
+                    int work[18];
+
+                    /* 9216=4*32*9*8 */
+                    for(k=-9; k<0; k++)
+                    {
+                        int a = shft_n(band1[(k+9)*32], shift);
+                        int b = shft_n(band1[(8-k)*32], shift);
+                        int c = shft_n(band0[(k+9)*32], shift);
+                        int d = shft_n(band0[(8-k)*32], shift);
+
+                        work[k+ 9] = shft16(a * win[k+ 9][0] +
+                                            b * win[k+ 9][1] +
+                                            c * win[k+ 9][2] +
+                                            d * win[k+ 9][3]);
+
+                        work[k+18] = shft16(c * win[k+18][0] +
+                                            d * win[k+18][1] +
+                                            a * win[k+18][2] +
+                                            b * win[k+18][3]);
+                    }
+
+                    /* 7200=4*18*100 */
+                    mdct_long(mdct, work);
+
+                    /* Perform aliasing reduction butterfly */
+                    if(band != 0)
+                    {
+                        for(k=7; k>=0; --k)
+                        {
+                            int bu, bd;
+                            bu = shft15(mdct[k]) * ca[k] +
+                                 shft15(mdct[-1-k]) * cs[k];
+                            bd = shft15(mdct[k]) * cs[k] -
+                                 shft15(mdct[-1-k]) * ca[k];
+                            mdct[-1-k] = bu;
+                            mdct[ k  ] = bd;
+                        }
+                    }
+                }
+
+                max = 0;
+                for(k=0; k<576; k++)
+                {
+                    if(mdct_freq[k] < 0)
+                    {
+                        mdct_sign[k] = 1; /* negative */
+                        mdct_freq[k] = shft13(-mdct_freq[k]);
+                    }
+                    else
+                    {
+                        mdct_sign[k] = 0; /* positive */
+                        mdct_freq[k] = shft13(mdct_freq[k]);
+                    }
+
+                    if(max < (uint32_t)mdct_freq[k])
+                        max = (uint32_t)mdct_freq[k];
+                }
+                cfg.cod_info[gr][ch].max_val = max;
+
+                /* calc new shift for higher integer precision */
+                for(k=0; max<(uint32_t)(0x7800>>k); k++) shift--;
+                for( ; (max>>k)>=(uint32_t)0x10000; k++) shift++;
+                if(shift < 0)  shift = 0;
+            }
+
+            cfg.cod_info[gr][ch].quantStep +=
+                                cfg.cod_info[gr][ch].additStep;
+
+            set_scale_facs(mdct_freq);
+
+            /* bit and noise allocation */
+            iteration_loop(mdct_freq, &cfg.cod_info[gr][ch],
+                           gr_cnt--);
+
+            /* write the frame to the bitstream */
+            Huffmancodebits(enc_data, mdct_sign,
+                            &cfg.cod_info[gr][ch]);
+
+            cfg.cod_info[gr][ch].quantStep -=
+                                cfg.cod_info[gr][ch].additStep;
+
+            if(cfg.granules == 1)
+            {
+                memcpy(sb_data[ch][0], sb_data[ch][1],
+                       sizeof(sb_data[ch][0]));
+            }
+        }
+    }
+    chunk->enc_size = cfg.byte_per_frame + cfg.mpg.padding;
+
+    /* finish this chunk by adding sideinfo header data */
+    CodedData.bitpos = 0;
+    encodeSideInfo( cfg.cod_info );
+
+#ifdef ROCKBOX_BIG_ENDIAN
+    /* copy chunk to enc_buffer */
+    memcpy(chunk->enc_data, CodedData.bbuf, chunk->enc_size);
+#else
+    /* swap frame to big endian */
+    byte_swap_frame32((uint32_t *)chunk->enc_data, CodedData.bbuf, chunk->enc_size);
+#endif
+} /* encode_frame */
diff --git a/modules/codec/shine/shine_mod.c b/modules/codec/shine/shine_mod.c
new file mode 100644 (file)
index 0000000..95923e9
--- /dev/null
@@ -0,0 +1,221 @@
+/*****************************************************************************
+ * shine_mod.c: MP3 encoder using Shine, a fixed point implementation
+ *****************************************************************************
+ * Copyright (C) 2008-2009 M2X
+ *
+ * Authors: Rafaël Carré <rcarre@m2x.nl>
+ *
+ * This program 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.
+ *
+ * This program 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.
+ *****************************************************************************/
+
+/*****************************************************************************
+ * Preamble
+ *****************************************************************************/
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <vlc_common.h>
+#include <vlc_plugin.h>
+#include <vlc_codec.h>
+#include <vlc_aout.h>
+#include <vlc_block.h>
+#include <vlc_block_helper.h>
+#include <vlc_bits.h>
+
+#include <assert.h>
+#include <inttypes.h>
+
+/* shine.c uses a lot of static variables, so we include the C file to keep
+ * the scope.
+ * Note that it makes this decoder non reentrant, this is why we set
+ * b_reentrant to VLC_FALSE in the module initialisation */
+#include "shine.c"
+
+struct encoder_sys_t
+{
+    block_fifo_t *p_fifo;
+
+    unsigned int i_buffer;
+    uint8_t *p_buffer;
+};
+
+/*****************************************************************************
+ * Local prototypes
+ *****************************************************************************/
+static int  OpenEncoder   ( vlc_object_t * );
+static void CloseEncoder  ( vlc_object_t * );
+
+static block_t *EncodeFrame  ( encoder_t *, aout_buffer_t * );
+
+vlc_module_begin();
+    set_category( CAT_INPUT );
+    set_subcategory( SUBCAT_INPUT_ACODEC );
+    set_description( _("MP3 fixed point audio encoder") );
+    set_capability( "encoder", 101 );
+    set_callbacks( OpenEncoder, CloseEncoder );
+vlc_module_end();
+
+static int OpenEncoder( vlc_object_t *p_this )
+{
+    encoder_t *p_enc = (encoder_t*)p_this;
+    encoder_sys_t *p_sys;
+
+    /* FIXME: what about layers 1 and 2 ? shine is an 'MP3' encoder */
+    if( p_enc->fmt_out.i_codec != VLC_FOURCC('m','p','3',' ') ||
+        p_enc->fmt_out.audio.i_channels > 2 )
+        return VLC_EGENERIC;
+
+    /* Shine is strict on its input */
+    if( p_enc->fmt_in.audio.i_channels != 2 )
+    {
+        msg_Err( p_enc, "Only stereo input is accepted, rejecting %d channels",
+            p_enc->fmt_in.audio.i_channels );
+        return VLC_EGENERIC;
+    }
+
+    p_sys = p_enc->p_sys = malloc( sizeof( encoder_sys_t ) );
+    if( !p_sys )
+        return VLC_ENOMEM;
+    memset( p_sys, 0, sizeof( encoder_sys_t ) );
+
+    if( !( p_sys->p_fifo = block_FifoNew() ) )
+    {
+        free( p_sys );
+        return VLC_ENOMEM;
+    }
+
+    init_mp3_encoder_engine( p_enc->fmt_out.audio.i_rate,
+        p_enc->fmt_out.audio.i_channels, p_enc->fmt_out.i_bitrate / 1000 );
+
+    p_enc->pf_encode_audio = EncodeFrame;
+
+    return VLC_SUCCESS;
+}
+
+/* We split/pack PCM blocks to a fixed size: pcm_chunk_size bytes */
+static block_t *GetPCM( encoder_t *p_enc, aout_buffer_t *p_block )
+{
+    encoder_sys_t *p_sys = p_enc->p_sys;
+    block_t *p_pcm_block;
+
+    if( !p_block ) goto buffered; /* just return a block if we can */
+
+    /* Put the PCM samples sent by VLC in the Fifo */
+    while( p_sys->i_buffer + p_block->i_nb_bytes >= pcm_chunk_size )
+    {
+        unsigned int i_buffer = 0;
+        p_pcm_block = block_New( p_enc, pcm_chunk_size );
+        if( !p_pcm_block ) break;
+
+        if( p_sys->i_buffer )
+        {
+            vlc_memcpy( p_pcm_block->p_buffer, p_sys->p_buffer,
+                p_sys->i_buffer );
+
+            i_buffer = p_sys->i_buffer;
+            p_sys->i_buffer = 0;
+            free( p_sys->p_buffer );
+        }
+
+        vlc_memcpy( p_pcm_block->p_buffer + i_buffer,
+            p_block->p_buffer , pcm_chunk_size - i_buffer );
+        p_block->p_buffer += pcm_chunk_size - i_buffer;
+
+        p_block->i_nb_bytes -= pcm_chunk_size - i_buffer;
+
+        block_FifoPut( p_sys->p_fifo, p_pcm_block );
+    }
+
+    /* We hadn't enough data to make a block, put it in standby */
+    if( p_block->i_nb_bytes )
+    {
+        p_sys->p_buffer = p_sys->i_buffer ?
+            realloc( p_sys->p_buffer, p_block->i_nb_bytes + p_sys->i_buffer ) :
+            malloc( p_block->i_nb_bytes );
+
+        if( !p_sys->p_buffer )
+        {
+            p_sys->i_buffer = 0;
+            return NULL;
+        }
+
+        vlc_memcpy( p_sys->p_buffer + p_sys->i_buffer,
+            p_block->p_buffer, p_block->i_nb_bytes );
+
+        p_sys->i_buffer += p_block->i_nb_bytes;
+        p_block->i_nb_bytes = 0;
+    }
+
+buffered:
+    /* and finally get a block back */
+    return block_FifoCount( p_sys->p_fifo ) > 0 ? block_FifoGet( p_sys->p_fifo ) : NULL;
+}
+
+static block_t *EncodeFrame( encoder_t *p_enc, aout_buffer_t *p_block )
+{
+    block_t *p_pcm_block;
+    block_t *p_chain = NULL;
+    unsigned int i_samples = p_block->i_nb_bytes / 4 /* s16l stereo */;
+    mtime_t start_date = p_block->start_date;
+    start_date -= i_samples * 1000000 / p_enc->fmt_out.audio.i_rate;
+
+    do {
+        if( !( p_pcm_block = GetPCM( p_enc, p_block ) ) )
+            break;
+
+        p_block = NULL; /* we don't need it anymore */
+
+        uint32_t enc_buffer[16384]; /* storage for 65536 Bytes XXX: too much */
+        struct enc_chunk_hdr *chunk = (void*) enc_buffer;
+        chunk->enc_data = ENC_CHUNK_SKIP_HDR(chunk->enc_data, chunk);
+
+        encode_frame( (char*)p_pcm_block->p_buffer, chunk );
+        block_Release( p_pcm_block );
+
+        block_t *p_mp3_block = block_New( p_enc, chunk->enc_size );
+        if( !p_mp3_block )
+            break;
+
+        vlc_memcpy( p_mp3_block->p_buffer, chunk->enc_data,
+            chunk->enc_size );
+
+        /* date management */
+        p_mp3_block->i_length = SAMP_PER_FRAME1 * 1000000 /
+            p_enc->fmt_out.audio.i_rate;
+
+        start_date += p_mp3_block->i_length;
+        p_mp3_block->i_dts = p_mp3_block->i_pts = start_date;
+
+        p_mp3_block->i_samples = SAMP_PER_FRAME1;
+
+        block_ChainAppend( &p_chain, p_mp3_block );
+    } while( p_pcm_block );
+
+    return p_chain;
+}
+
+static void CloseEncoder( vlc_object_t *p_this )
+{
+    encoder_sys_t *p_sys = ((encoder_t*)p_this)->p_sys;
+
+    /* TODO: we should send the last PCM block padded with 0
+     * But we don't know if other blocks will come before it's too late */
+    if( p_sys->i_buffer )
+        free( p_sys->p_buffer );
+
+    block_FifoRelease( p_sys->p_fifo );
+    free( p_sys );
+}