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ffmpeg.wasm-core
Commit 01ca9ac3 authored by Kostya Shishkov's avatar Kostya Shishkov
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DCA decoder 

Originally committed as revision 8141 to svn://svn.ffmpeg.org/ffmpeg/trunk
parent e7ebecbf
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Changelog
View file @ 01ca9ac3
......@@ -72,6 +72,7 @@ version <next>
- BMP encoder
- WMA encoder
- GSM-MS encoder and decoder
- DCA decoder
version 0.4.9-pre1:
......
doc/ffmpeg-doc.texi
View file @ 01ca9ac3
......@@ -1082,6 +1082,7 @@ following image formats are supported:
@item Intel Music Coder @tab @tab X
@item Musepack @tab @tab X
@tab Only SV7 is supported
@item DT$ Coherent Audio @tab @tab X
@end multitable
@code{X} means that encoding (resp. decoding) is supported.
......
libavcodec/Makefile
View file @ 01ca9ac3
......@@ -63,6 +63,7 @@ OBJS-$(CONFIG_CLJR_ENCODER) += cljr.o
OBJS-$(CONFIG_COOK_DECODER) += cook.o
OBJS-$(CONFIG_CSCD_DECODER) += cscd.o
OBJS-$(CONFIG_CYUV_DECODER) += cyuv.o
OBJS-$(CONFIG_DCA_DECODER) += dca.o
OBJS-$(CONFIG_DSICINVIDEO_DECODER) += dsicinav.o
OBJS-$(CONFIG_DSICINAUDIO_DECODER) += dsicinav.o
OBJS-$(CONFIG_DVBSUB_DECODER) += dvbsubdec.o
......
libavcodec/allcodecs.c
View file @ 01ca9ac3
......@@ -64,6 +64,7 @@ void avcodec_register_all(void)
REGISTER_DECODER(CLJR, cljr);
REGISTER_DECODER(CSCD, cscd);
REGISTER_DECODER(CYUV, cyuv);
REGISTER_DECODER(DCA, dca);
REGISTER_DECODER(DSICINVIDEO, dsicinvideo);
REGISTER_ENCDEC (DVVIDEO, dvvideo);
REGISTER_DECODER(EIGHTBPS, eightbps);
......@@ -249,6 +250,7 @@ void avcodec_register_all(void)
REGISTER_PARSER (AAC, aac);
REGISTER_PARSER (AC3, ac3);
REGISTER_PARSER (CAVSVIDEO, cavsvideo);
REGISTER_PARSER (DCA, dca);
REGISTER_PARSER (DVBSUB, dvbsub);
REGISTER_PARSER (DVDSUB, dvdsub);
REGISTER_PARSER (H261, h261);
......
libavcodec/avcodec.h
View file @ 01ca9ac3
......@@ -37,8 +37,8 @@ extern "C" {
#define AV_STRINGIFY(s) AV_TOSTRING(s)
#define AV_TOSTRING(s) #s
#define LIBAVCODEC_VERSION_INT ((51<<16)+(34<<8)+0)
#define LIBAVCODEC_VERSION 51.34.0
#define LIBAVCODEC_VERSION_INT ((51<<16)+(35<<8)+0)
#define LIBAVCODEC_VERSION 51.35.0
#define LIBAVCODEC_BUILD LIBAVCODEC_VERSION_INT
#define LIBAVCODEC_IDENT "Lavc" AV_STRINGIFY(LIBAVCODEC_VERSION)
......@@ -2219,6 +2219,7 @@ extern AVCodec cljr_decoder;
extern AVCodec cook_decoder;
extern AVCodec cscd_decoder;
extern AVCodec cyuv_decoder;
extern AVCodec dca_decoder;
extern AVCodec dsicinaudio_decoder;
extern AVCodec dsicinvideo_decoder;
extern AVCodec dvvideo_decoder;
......@@ -2883,6 +2884,7 @@ void av_parser_close(AVCodecParserContext *s);
extern AVCodecParser aac_parser;
extern AVCodecParser ac3_parser;
extern AVCodecParser cavsvideo_parser;
extern AVCodecParser dca_parser;
extern AVCodecParser dvbsub_parser;
extern AVCodecParser dvdsub_parser;
extern AVCodecParser h261_parser;
......
libavcodec/dca.c 0 → 100644
View file @ 01ca9ac3
/*
* DCA compatible decoder
* Copyright (C) 2004 Gildas Bazin
* Copyright (C) 2004 Benjamin Zores
* Copyright (C) 2006 Benjamin Larsson
* Copyright (C) 2007 Konstantin Shishkov
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file dca.c
*/
#include <math.h>
#include <stddef.h>
#include <stdio.h>
#include "avcodec.h"
#include "dsputil.h"
#include "bitstream.h"
#include "dcadata.h"
#include "dcahuff.h"
#include "parser.h"
/** DCA syncwords, also used for bitstream type detection */
//@{
#define DCA_MARKER_RAW_BE 0x7FFE8001
#define DCA_MARKER_RAW_LE 0xFE7F0180
#define DCA_MARKER_14B_BE 0x1FFFE800
#define DCA_MARKER_14B_LE 0xFF1F00E8
//@}
//#define TRACE
#define DCA_PRIM_CHANNELS_MAX (5)
#define DCA_SUBBANDS (32)
#define DCA_ABITS_MAX (32) /* Should be 28 */
#define DCA_SUBSUBFAMES_MAX (4)
#define DCA_LFE_MAX (3)
enum DCAMode {
DCA_MONO = 0,
DCA_CHANNEL,
DCA_STEREO,
DCA_STEREO_SUMDIFF,
DCA_STEREO_TOTAL,
DCA_3F,
DCA_2F1R,
DCA_3F1R,
DCA_2F2R,
DCA_3F2R,
DCA_4F2R
};
#define DCA_DOLBY 101 /* FIXME */
#define DCA_CHANNEL_BITS 6
#define DCA_CHANNEL_MASK 0x3F
#define DCA_LFE 0x80
#define HEADER_SIZE 14
#define CONVERT_BIAS 384
#define DCA_MAX_FRAME_SIZE 16383
/** Bit allocation */
typedef struct {
int offset; ///< code values offset
int maxbits[8]; ///< max bits in VLC
int wrap; ///< wrap for get_vlc2()
VLC vlc[8]; ///< actual codes
} BitAlloc;
static BitAlloc dca_bitalloc_index; ///< indexes for samples VLC select
static BitAlloc dca_tmode; ///< transition mode VLCs
static BitAlloc dca_scalefactor; ///< scalefactor VLCs
static BitAlloc dca_smpl_bitalloc[11]; ///< samples VLCs
/** Pre-calculated cosine modulation coefs for the QMF */
static float cos_mod[544];
static int av_always_inline get_bitalloc(GetBitContext *gb, BitAlloc *ba, int idx)
{
return get_vlc2(gb, ba->vlc[idx].table, ba->vlc[idx].bits, ba->wrap) + ba->offset;
}
typedef struct {
AVCodecContext *avctx;
/* Frame header */
int frame_type; ///< type of the current frame
int samples_deficit; ///< deficit sample count
int crc_present; ///< crc is present in the bitstream
int sample_blocks; ///< number of PCM sample blocks
int frame_size; ///< primary frame byte size
int amode; ///< audio channels arrangement
int sample_rate; ///< audio sampling rate
int bit_rate; ///< transmission bit rate
int downmix; ///< embedded downmix enabled
int dynrange; ///< embedded dynamic range flag
int timestamp; ///< embedded time stamp flag
int aux_data; ///< auxiliary data flag
int hdcd; ///< source material is mastered in HDCD
int ext_descr; ///< extension audio descriptor flag
int ext_coding; ///< extended coding flag
int aspf; ///< audio sync word insertion flag
int lfe; ///< low frequency effects flag
int predictor_history; ///< predictor history flag
int header_crc; ///< header crc check bytes
int multirate_inter; ///< multirate interpolator switch
int version; ///< encoder software revision
int copy_history; ///< copy history
int source_pcm_res; ///< source pcm resolution
int front_sum; ///< front sum/difference flag
int surround_sum; ///< surround sum/difference flag
int dialog_norm; ///< dialog normalisation parameter
/* Primary audio coding header */
int subframes; ///< number of subframes
int prim_channels; ///< number of primary audio channels
int subband_activity[DCA_PRIM_CHANNELS_MAX]; ///< subband activity count
int vq_start_subband[DCA_PRIM_CHANNELS_MAX]; ///< high frequency vq start subband
int joint_intensity[DCA_PRIM_CHANNELS_MAX]; ///< joint intensity coding index
int transient_huffman[DCA_PRIM_CHANNELS_MAX]; ///< transient mode code book
int scalefactor_huffman[DCA_PRIM_CHANNELS_MAX]; ///< scale factor code book
int bitalloc_huffman[DCA_PRIM_CHANNELS_MAX]; ///< bit allocation quantizer select
int quant_index_huffman[DCA_PRIM_CHANNELS_MAX][DCA_ABITS_MAX]; ///< quantization index codebook select
float scalefactor_adj[DCA_PRIM_CHANNELS_MAX][DCA_ABITS_MAX]; ///< scale factor adjustment
/* Primary audio coding side information */
int subsubframes; ///< number of subsubframes
int partial_samples; ///< partial subsubframe samples count
int prediction_mode[DCA_PRIM_CHANNELS_MAX][DCA_SUBBANDS]; ///< prediction mode (ADPCM used or not)
int prediction_vq[DCA_PRIM_CHANNELS_MAX][DCA_SUBBANDS]; ///< prediction VQ coefs
int bitalloc[DCA_PRIM_CHANNELS_MAX][DCA_SUBBANDS]; ///< bit allocation index
int transition_mode[DCA_PRIM_CHANNELS_MAX][DCA_SUBBANDS]; ///< transition mode (transients)
int scale_factor[DCA_PRIM_CHANNELS_MAX][DCA_SUBBANDS][2]; ///< scale factors (2 if transient)
int joint_huff[DCA_PRIM_CHANNELS_MAX]; ///< joint subband scale factors codebook
int joint_scale_factor[DCA_PRIM_CHANNELS_MAX][DCA_SUBBANDS]; ///< joint subband scale factors
int downmix_coef[DCA_PRIM_CHANNELS_MAX][2]; ///< stereo downmix coefficients
int dynrange_coef; ///< dynamic range coefficient
int high_freq_vq[DCA_PRIM_CHANNELS_MAX][DCA_SUBBANDS]; ///< VQ encoded high frequency subbands
float lfe_data[2 * DCA_SUBSUBFAMES_MAX * DCA_LFE_MAX *
2 /*history */ ]; ///< Low frequency effect data
int lfe_scale_factor;
/* Subband samples history (for ADPCM) */
float subband_samples_hist[DCA_PRIM_CHANNELS_MAX][DCA_SUBBANDS][4];
float subband_fir_hist[DCA_PRIM_CHANNELS_MAX][512];
float subband_fir_noidea[DCA_PRIM_CHANNELS_MAX][64];
int output; ///< type of output
int bias; ///< output bias
DECLARE_ALIGNED_16(float, samples[1536]); /* 6 * 256 = 1536, might only need 5 */
DECLARE_ALIGNED_16(int16_t, tsamples[1536]);
uint8_t dca_buffer[DCA_MAX_FRAME_SIZE];
int dca_buffer_size; ///< how much data is in the dca_buffer
GetBitContext gb;
/* Current position in DCA frame */
int current_subframe;
int current_subsubframe;
int debug_flag; ///< used for suppressing repeated error messages output
DSPContext dsp;
} DCAContext;
static void dca_init_vlcs()
{
static int vlcs_inited = 0;
int i, j;
if (vlcs_inited)
return;
dca_bitalloc_index.offset = 1;
dca_bitalloc_index.wrap = 1;
for (i = 0; i < 5; i++)
init_vlc(&dca_bitalloc_index.vlc[i], bitalloc_12_vlc_bits[i], 12,
bitalloc_12_bits[i], 1, 1,
bitalloc_12_codes[i], 2, 2, 1);
dca_scalefactor.offset = -64;
dca_scalefactor.wrap = 2;
for (i = 0; i < 5; i++)
init_vlc(&dca_scalefactor.vlc[i], SCALES_VLC_BITS, 129,
scales_bits[i], 1, 1,
scales_codes[i], 2, 2, 1);
dca_tmode.offset = 0;
dca_tmode.wrap = 1;
for (i = 0; i < 4; i++)
init_vlc(&dca_tmode.vlc[i], tmode_vlc_bits[i], 4,
tmode_bits[i], 1, 1,
tmode_codes[i], 2, 2, 1);
for(i = 0; i < 10; i++)
for(j = 0; j < 7; j++){
if(!bitalloc_codes[i][j]) break;
dca_smpl_bitalloc[i+1].offset = bitalloc_offsets[i];
dca_smpl_bitalloc[i+1].wrap = 1 + (j > 4);
init_vlc(&dca_smpl_bitalloc[i+1].vlc[j], bitalloc_maxbits[i][j],
bitalloc_sizes[i],
bitalloc_bits[i][j], 1, 1,
bitalloc_codes[i][j], 2, 2, 1);
}
vlcs_inited = 1;
}
static inline void get_array(GetBitContext *gb, int *dst, int len, int bits)
{
while(len--)
*dst++ = get_bits(gb, bits);
}
static int dca_parse_frame_header(DCAContext * s)
{
int i, j;
static const float adj_table[4] = { 1.0, 1.1250, 1.2500, 1.4375 };
static const int bitlen[11] = { 0, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3 };
static const int thr[11] = { 0, 1, 3, 3, 3, 3, 7, 7, 7, 7, 7 };
s->bias = CONVERT_BIAS;
init_get_bits(&s->gb, s->dca_buffer, s->dca_buffer_size * 8);
/* Sync code */
get_bits(&s->gb, 32);
/* Frame header */
s->frame_type = get_bits(&s->gb, 1);
s->samples_deficit = get_bits(&s->gb, 5) + 1;
s->crc_present = get_bits(&s->gb, 1);
s->sample_blocks = get_bits(&s->gb, 7) + 1;
s->frame_size = get_bits(&s->gb, 14) + 1;
if (s->frame_size < 95)
return -1;
s->amode = get_bits(&s->gb, 6);
s->sample_rate = dca_sample_rates[get_bits(&s->gb, 4)];
if (!s->sample_rate)
return -1;
s->bit_rate = dca_bit_rates[get_bits(&s->gb, 5)];
if (!s->bit_rate)
return -1;
s->downmix = get_bits(&s->gb, 1);
s->dynrange = get_bits(&s->gb, 1);
s->timestamp = get_bits(&s->gb, 1);
s->aux_data = get_bits(&s->gb, 1);
s->hdcd = get_bits(&s->gb, 1);
s->ext_descr = get_bits(&s->gb, 3);
s->ext_coding = get_bits(&s->gb, 1);
s->aspf = get_bits(&s->gb, 1);
s->lfe = get_bits(&s->gb, 2);
s->predictor_history = get_bits(&s->gb, 1);
/* TODO: check CRC */
if (s->crc_present)
s->header_crc = get_bits(&s->gb, 16);
s->multirate_inter = get_bits(&s->gb, 1);
s->version = get_bits(&s->gb, 4);
s->copy_history = get_bits(&s->gb, 2);
s->source_pcm_res = get_bits(&s->gb, 3);
s->front_sum = get_bits(&s->gb, 1);
s->surround_sum = get_bits(&s->gb, 1);
s->dialog_norm = get_bits(&s->gb, 4);
/* FIXME: channels mixing levels */
s->output = DCA_STEREO;
#ifdef TRACE
av_log(s->avctx, AV_LOG_DEBUG, "frame type: %i\n", s->frame_type);
av_log(s->avctx, AV_LOG_DEBUG, "samples deficit: %i\n", s->samples_deficit);
av_log(s->avctx, AV_LOG_DEBUG, "crc present: %i\n", s->crc_present);
av_log(s->avctx, AV_LOG_DEBUG, "sample blocks: %i (%i samples)\n",
s->sample_blocks, s->sample_blocks * 32);
av_log(s->avctx, AV_LOG_DEBUG, "frame size: %i bytes\n", s->frame_size);
av_log(s->avctx, AV_LOG_DEBUG, "amode: %i (%i channels)\n",
s->amode, dca_channels[s->amode]);
av_log(s->avctx, AV_LOG_DEBUG, "sample rate: %i (%i Hz)\n",
s->sample_rate, dca_sample_rates[s->sample_rate]);
av_log(s->avctx, AV_LOG_DEBUG, "bit rate: %i (%i bits/s)\n",
s->bit_rate, dca_bit_rates[s->bit_rate]);
av_log(s->avctx, AV_LOG_DEBUG, "downmix: %i\n", s->downmix);
av_log(s->avctx, AV_LOG_DEBUG, "dynrange: %i\n", s->dynrange);
av_log(s->avctx, AV_LOG_DEBUG, "timestamp: %i\n", s->timestamp);
av_log(s->avctx, AV_LOG_DEBUG, "aux_data: %i\n", s->aux_data);
av_log(s->avctx, AV_LOG_DEBUG, "hdcd: %i\n", s->hdcd);
av_log(s->avctx, AV_LOG_DEBUG, "ext descr: %i\n", s->ext_descr);
av_log(s->avctx, AV_LOG_DEBUG, "ext coding: %i\n", s->ext_coding);
av_log(s->avctx, AV_LOG_DEBUG, "aspf: %i\n", s->aspf);
av_log(s->avctx, AV_LOG_DEBUG, "lfe: %i\n", s->lfe);
av_log(s->avctx, AV_LOG_DEBUG, "predictor history: %i\n",
s->predictor_history);
av_log(s->avctx, AV_LOG_DEBUG, "header crc: %i\n", s->header_crc);
av_log(s->avctx, AV_LOG_DEBUG, "multirate inter: %i\n",
s->multirate_inter);
av_log(s->avctx, AV_LOG_DEBUG, "version number: %i\n", s->version);
av_log(s->avctx, AV_LOG_DEBUG, "copy history: %i\n", s->copy_history);
av_log(s->avctx, AV_LOG_DEBUG,
"source pcm resolution: %i (%i bits/sample)\n",
s->source_pcm_res, dca_bits_per_sample[s->source_pcm_res]);
av_log(s->avctx, AV_LOG_DEBUG, "front sum: %i\n", s->front_sum);
av_log(s->avctx, AV_LOG_DEBUG, "surround sum: %i\n", s->surround_sum);
av_log(s->avctx, AV_LOG_DEBUG, "dialog norm: %i\n", s->dialog_norm);
av_log(s->avctx, AV_LOG_DEBUG, "\n");
#endif
/* Primary audio coding header */
s->subframes = get_bits(&s->gb, 4) + 1;
s->prim_channels = get_bits(&s->gb, 3) + 1;
for (i = 0; i < s->prim_channels; i++) {
s->subband_activity[i] = get_bits(&s->gb, 5) + 2;
if (s->subband_activity[i] > DCA_SUBBANDS)
s->subband_activity[i] = DCA_SUBBANDS;
}
for (i = 0; i < s->prim_channels; i++) {
s->vq_start_subband[i] = get_bits(&s->gb, 5) + 1;
if (s->vq_start_subband[i] > DCA_SUBBANDS)
s->vq_start_subband[i] = DCA_SUBBANDS;
}
get_array(&s->gb, s->joint_intensity, s->prim_channels, 3);
get_array(&s->gb, s->transient_huffman, s->prim_channels, 2);
get_array(&s->gb, s->scalefactor_huffman, s->prim_channels, 3);
get_array(&s->gb, s->bitalloc_huffman, s->prim_channels, 3);
/* Get codebooks quantization indexes */
memset(s->quant_index_huffman, 0, sizeof(s->quant_index_huffman));
for (j = 1; j < 11; j++)
for (i = 0; i < s->prim_channels; i++)
s->quant_index_huffman[i][j] = get_bits(&s->gb, bitlen[j]);
/* Get scale factor adjustment */
for (j = 0; j < 11; j++)
for (i = 0; i < s->prim_channels; i++)
s->scalefactor_adj[i][j] = 1;
for (j = 1; j < 11; j++)
for (i = 0; i < s->prim_channels; i++)
if (s->quant_index_huffman[i][j] < thr[j])
s->scalefactor_adj[i][j] = adj_table[get_bits(&s->gb, 2)];
if (s->crc_present) {
/* Audio header CRC check */
get_bits(&s->gb, 16);
}
s->current_subframe = 0;
s->current_subsubframe = 0;
#ifdef TRACE
av_log(s->avctx, AV_LOG_DEBUG, "subframes: %i\n", s->subframes);
av_log(s->avctx, AV_LOG_DEBUG, "prim channels: %i\n", s->prim_channels);
for(i = 0; i < s->prim_channels; i++){
av_log(s->avctx, AV_LOG_DEBUG, "subband activity: %i\n", s->subband_activity[i]);
av_log(s->avctx, AV_LOG_DEBUG, "vq start subband: %i\n", s->vq_start_subband[i]);
av_log(s->avctx, AV_LOG_DEBUG, "joint intensity: %i\n", s->joint_intensity[i]);
av_log(s->avctx, AV_LOG_DEBUG, "transient mode codebook: %i\n", s->transient_huffman[i]);
av_log(s->avctx, AV_LOG_DEBUG, "scale factor codebook: %i\n", s->scalefactor_huffman[i]);
av_log(s->avctx, AV_LOG_DEBUG, "bit allocation quantizer: %i\n", s->bitalloc_huffman[i]);
av_log(s->avctx, AV_LOG_DEBUG, "quant index huff:");
for (j = 0; j < 11; j++)
av_log(s->avctx, AV_LOG_DEBUG, " %i",
s->quant_index_huffman[i][j]);
av_log(s->avctx, AV_LOG_DEBUG, "\n");
av_log(s->avctx, AV_LOG_DEBUG, "scalefac adj:");
for (j = 0; j < 11; j++)
av_log(s->avctx, AV_LOG_DEBUG, " %1.3f", s->scalefactor_adj[i][j]);
av_log(s->avctx, AV_LOG_DEBUG, "\n");
}
#endif
return 0;
}
static inline int get_scale(GetBitContext *gb, int level, int index, int value)
{
if (level < 5) {
/* huffman encoded */
value += get_bitalloc(gb, &dca_scalefactor, index);
} else if(level < 8)
value = get_bits(gb, level + 1);
return value;
}
static int dca_subframe_header(DCAContext * s)
{
/* Primary audio coding side information */
int j, k;
s->subsubframes = get_bits(&s->gb, 2) + 1;
s->partial_samples = get_bits(&s->gb, 3);
for (j = 0; j < s->prim_channels; j++) {
for (k = 0; k < s->subband_activity[j]; k++)
s->prediction_mode[j][k] = get_bits(&s->gb, 1);
}
/* Get prediction codebook */
for (j = 0; j < s->prim_channels; j++) {
for (k = 0; k < s->subband_activity[j]; k++) {
if (s->prediction_mode[j][k] > 0) {
/* (Prediction coefficient VQ address) */
s->prediction_vq[j][k] = get_bits(&s->gb, 12);
}
}
}
/* Bit allocation index */
for (j = 0; j < s->prim_channels; j++) {
for (k = 0; k < s->vq_start_subband[j]; k++) {
if (s->bitalloc_huffman[j] == 6)
s->bitalloc[j][k] = get_bits(&s->gb, 5);
else if (s->bitalloc_huffman[j] == 5)
s->bitalloc[j][k] = get_bits(&s->gb, 4);
else {
s->bitalloc[j][k] =
get_bitalloc(&s->gb, &dca_bitalloc_index, j);
}
if (s->bitalloc[j][k] > 26) {
// av_log(s->avctx,AV_LOG_DEBUG,"bitalloc index [%i][%i] too big (%i)\n",
// j, k, s->bitalloc[j][k]);
return -1;
}
}
}
/* Transition mode */
for (j = 0; j < s->prim_channels; j++) {
for (k = 0; k < s->subband_activity[j]; k++) {
s->transition_mode[j][k] = 0;
if (s->subsubframes > 1 &&
k < s->vq_start_subband[j] && s->bitalloc[j][k] > 0) {
s->transition_mode[j][k] =
get_bitalloc(&s->gb, &dca_tmode, s->transient_huffman[j]);
}
}
}
for (j = 0; j < s->prim_channels; j++) {
uint32_t *scale_table;
int scale_sum;
memset(s->scale_factor[j], 0, s->subband_activity[j] * sizeof(s->scale_factor[0][0][0]) * 2);
if (s->scalefactor_huffman[j] == 6)
scale_table = (uint32_t *) scale_factor_quant7;
else
scale_table = (uint32_t *) scale_factor_quant6;
/* When huffman coded, only the difference is encoded */
scale_sum = 0;
for (k = 0; k < s->subband_activity[j]; k++) {
if (k >= s->vq_start_subband[j] || s->bitalloc[j][k] > 0) {
scale_sum = get_scale(&s->gb, s->scalefactor_huffman[j], j, scale_sum);
s->scale_factor[j][k][0] = scale_table[scale_sum];
}
if (k < s->vq_start_subband[j] && s->transition_mode[j][k]) {
/* Get second scale factor */
scale_sum = get_scale(&s->gb, s->scalefactor_huffman[j], j, scale_sum);
s->scale_factor[j][k][1] = scale_table[scale_sum];
}
}
}
/* Joint subband scale factor codebook select */
for (j = 0; j < s->prim_channels; j++) {
/* Transmitted only if joint subband coding enabled */
if (s->joint_intensity[j] > 0)
s->joint_huff[j] = get_bits(&s->gb, 3);
}
/* Scale factors for joint subband coding */
for (j = 0; j < s->prim_channels; j++) {
int source_channel;
/* Transmitted only if joint subband coding enabled */
if (s->joint_intensity[j] > 0) {
int scale = 0;
source_channel = s->joint_intensity[j] - 1;
/* When huffman coded, only the difference is encoded
* (is this valid as well for joint scales ???) */
for (k = s->subband_activity[j]; k < s->subband_activity[source_channel]; k++) {
scale = get_scale(&s->gb, s->joint_huff[j], j, 0);
scale += 64; /* bias */
s->joint_scale_factor[j][k] = scale; /*joint_scale_table[scale]; */
}
if (!s->debug_flag & 0x02) {
av_log(s->avctx, AV_LOG_DEBUG,
"Joint stereo coding not supported\n");
s->debug_flag |= 0x02;
}
}
}
/* Stereo downmix coefficients */
if (s->prim_channels > 2 && s->downmix) {
for (j = 0; j < s->prim_channels; j++) {
s->downmix_coef[j][0] = get_bits(&s->gb, 7);
s->downmix_coef[j][1] = get_bits(&s->gb, 7);
}
}
/* Dynamic range coefficient */
if (s->dynrange)
s->dynrange_coef = get_bits(&s->gb, 8);
/* Side information CRC check word */
if (s->crc_present) {
get_bits(&s->gb, 16);
}
/*
* Primary audio data arrays
*/
/* VQ encoded high frequency subbands */
for (j = 0; j < s->prim_channels; j++)
for (k = s->vq_start_subband[j]; k < s->subband_activity[j]; k++)
/* 1 vector -> 32 samples */
s->high_freq_vq[j][k] = get_bits(&s->gb, 10);
/* Low frequency effect data */
if (s->lfe) {
/* LFE samples */
int lfe_samples = 2 * s->lfe * s->subsubframes;
float lfe_scale;
for (j = lfe_samples; j < lfe_samples * 2; j++) {
/* Signed 8 bits int */
s->lfe_data[j] = get_sbits(&s->gb, 8);
}
/* Scale factor index */
s->lfe_scale_factor = scale_factor_quant7[get_bits(&s->gb, 8)];
/* Quantization step size * scale factor */
lfe_scale = 0.035 * s->lfe_scale_factor;
for (j = lfe_samples; j < lfe_samples * 2; j++)
s->lfe_data[j] *= lfe_scale;
}
#ifdef TRACE
av_log(s->avctx, AV_LOG_DEBUG, "subsubframes: %i\n", s->subsubframes);
av_log(s->avctx, AV_LOG_DEBUG, "partial samples: %i\n",
s->partial_samples);
for (j = 0; j < s->prim_channels; j++) {
av_log(s->avctx, AV_LOG_DEBUG, "prediction mode:");
for (k = 0; k < s->subband_activity[j]; k++)
av_log(s->avctx, AV_LOG_DEBUG, " %i", s->prediction_mode[j][k]);
av_log(s->avctx, AV_LOG_DEBUG, "\n");
}
for (j = 0; j < s->prim_channels; j++) {
for (k = 0; k < s->subband_activity[j]; k++)
av_log(s->avctx, AV_LOG_DEBUG,
"prediction coefs: %f, %f, %f, %f\n",
(float) adpcm_vb[s->prediction_vq[j][k]][0] / 8192,
(float) adpcm_vb[s->prediction_vq[j][k]][1] / 8192,
(float) adpcm_vb[s->prediction_vq[j][k]][2] / 8192,
(float) adpcm_vb[s->prediction_vq[j][k]][3] / 8192);
}
for (j = 0; j < s->prim_channels; j++) {
av_log(s->avctx, AV_LOG_DEBUG, "bitalloc index: ");
for (k = 0; k < s->vq_start_subband[j]; k++)
av_log(s->avctx, AV_LOG_DEBUG, "%2.2i ", s->bitalloc[j][k]);
av_log(s->avctx, AV_LOG_DEBUG, "\n");
}
for (j = 0; j < s->prim_channels; j++) {
av_log(s->avctx, AV_LOG_DEBUG, "Transition mode:");
for (k = 0; k < s->subband_activity[j]; k++)
av_log(s->avctx, AV_LOG_DEBUG, " %i", s->transition_mode[j][k]);
av_log(s->avctx, AV_LOG_DEBUG, "\n");
}
for (j = 0; j < s->prim_channels; j++) {
av_log(s->avctx, AV_LOG_DEBUG, "Scale factor:");
for (k = 0; k < s->subband_activity[j]; k++) {
if (k >= s->vq_start_subband[j] || s->bitalloc[j][k] > 0)
av_log(s->avctx, AV_LOG_DEBUG, " %i", s->scale_factor[j][k][0]);
if (k < s->vq_start_subband[j] && s->transition_mode[j][k])
av_log(s->avctx, AV_LOG_DEBUG, " %i(t)", s->scale_factor[j][k][1]);
}
av_log(s->avctx, AV_LOG_DEBUG, "\n");
}
for (j = 0; j < s->prim_channels; j++) {
if (s->joint_intensity[j] > 0) {
av_log(s->avctx, AV_LOG_DEBUG, "Joint scale factor index:\n");
for (k = s->subband_activity[j]; k < s->subband_activity[source_channel]; k++)
av_log(s->avctx, AV_LOG_DEBUG, " %i", s->joint_scale_factor[j][k]);
av_log(s->avctx, AV_LOG_DEBUG, "\n");
}
}
if (s->prim_channels > 2 && s->downmix) {
av_log(s->avctx, AV_LOG_DEBUG, "Downmix coeffs:\n");
for (j = 0; j < s->prim_channels; j++) {
av_log(s->avctx, AV_LOG_DEBUG, "Channel 0,%d = %f\n", j, dca_downmix_coeffs[s->downmix_coef[j][0]]);
av_log(s->avctx, AV_LOG_DEBUG, "Channel 1,%d = %f\n", j, dca_downmix_coeffs[s->downmix_coef[j][1]]);
}
av_log(s->avctx, AV_LOG_DEBUG, "\n");
}
for (j = 0; j < s->prim_channels; j++)
for (k = s->vq_start_subband[j]; k < s->subband_activity[j]; k++)
av_log(s->avctx, AV_LOG_DEBUG, "VQ index: %i\n", s->high_freq_vq[j][k]);
if(s->lfe){
av_log(s->avctx, AV_LOG_DEBUG, "LFE samples:\n");
for (j = lfe_samples; j < lfe_samples * 2; j++)
av_log(s->avctx, AV_LOG_DEBUG, " %f", s->lfe_data[j]);
av_log(s->avctx, AV_LOG_DEBUG, "\n");
}
#endif
return 0;
}
static void qmf_32_subbands(DCAContext * s, int chans,
float samples_in[32][8], float *samples_out,
float scale, float bias)
{
float *prCoeff;
int i, j, k;
float praXin[33], *raXin = &praXin[1];
float *subband_fir_hist = s->subband_fir_hist[chans];
float *subband_fir_hist2 = s->subband_fir_noidea[chans];
int chindex = 0, subindex;
praXin[0] = 0.0;
/* Select filter */
if (!s->multirate_inter) /* Non-perfect reconstruction */
prCoeff = (float *) fir_32bands_nonperfect;
else /* Perfect reconstruction */
prCoeff = (float *) fir_32bands_perfect;
/* Reconstructed channel sample index */
for (subindex = 0; subindex < 8; subindex++) {
float t1, t2, sum[16], diff[16];
/* Load in one sample from each subband and clear inactive subbands */
for (i = 0; i < s->subband_activity[chans]; i++)
raXin[i] = samples_in[i][subindex];
for (; i < 32; i++)
raXin[i] = 0.0;
/* Multiply by cosine modulation coefficients and
* create temporary arrays SUM and DIFF */
for (j = 0, k = 0; k < 16; k++) {
t1 = 0.0;
t2 = 0.0;
for (i = 0; i < 16; i++, j++){
t1 += (raXin[2 * i] + raXin[2 * i + 1]) * cos_mod[j];
t2 += (raXin[2 * i] + raXin[2 * i - 1]) * cos_mod[j + 256];
}
sum[k] = t1 + t2;
diff[k] = t1 - t2;
}
j = 512;
/* Store history */
for (k = 0; k < 16; k++)
subband_fir_hist[k] = cos_mod[j++] * sum[k];
for (k = 0; k < 16; k++)
subband_fir_hist[32-k-1] = cos_mod[j++] * diff[k];
/* Multiply by filter coefficients */
for (k = 31, i = 0; i < 32; i++, k--)
for (j = 0; j < 512; j += 64){
subband_fir_hist2[i] += prCoeff[i+j] * ( subband_fir_hist[i+j] - subband_fir_hist[j+k]);
subband_fir_hist2[i+32] += prCoeff[i+j+32]*(-subband_fir_hist[i+j] - subband_fir_hist[j+k]);
}
/* Create 32 PCM output samples */
for (i = 0; i < 32; i++)
samples_out[chindex++] = subband_fir_hist2[i] * scale + bias;
/* Update working arrays */
memmove(&subband_fir_hist[32], &subband_fir_hist[0], (512 - 32) * sizeof(float));
memmove(&subband_fir_hist2[0], &subband_fir_hist2[32], 32 * sizeof(float));
memset(&subband_fir_hist2[32], 0, 32 * sizeof(float));
}
}
static void lfe_interpolation_fir(int decimation_select,
int num_deci_sample, float *samples_in,
float *samples_out, float scale,
float bias)
{
/* samples_in: An array holding decimated samples.
* Samples in current subframe starts from samples_in[0],
* while samples_in[-1], samples_in[-2], ..., stores samples
* from last subframe as history.
*
* samples_out: An array holding interpolated samples
*/
int decifactor, k, j;
const float *prCoeff;
int interp_index = 0; /* Index to the interpolated samples */
int deciindex;
/* Select decimation filter */
if (decimation_select == 1) {
decifactor = 128;
prCoeff = lfe_fir_128;
} else {
decifactor = 64;
prCoeff = lfe_fir_64;
}
/* Interpolation */
for (deciindex = 0; deciindex < num_deci_sample; deciindex++) {
/* One decimated sample generates decifactor interpolated ones */
for (k = 0; k < decifactor; k++) {
float rTmp = 0.0;
//FIXME the coeffs are symetric, fix that
for (j = 0; j < 512 / decifactor; j++)
rTmp += samples_in[deciindex - j] * prCoeff[k + j * decifactor];
samples_out[interp_index++] = rTmp / scale + bias;
}
}
}
/* downmixing routines */
#define MIX_REAR1(samples, si1) \
samples[i] += samples[si1]; \
samples[i+256] += samples[si1];
#define MIX_REAR2(samples, si1, si2) \
samples[i] += samples[si1]; \
samples[i+256] += samples[si2];
#define MIX_FRONT3(samples) \
t = samples[i]; \
samples[i] += samples[i+256]; \
samples[i+256] = samples[i+512] + t;
#define DOWNMIX_TO_STEREO(op1, op2) \
for(i = 0; i < 256; i++){ \
op1 \
op2 \
}
static void dca_downmix(float *samples, int srcfmt)
{
int i;
float t;
switch (srcfmt) {
case DCA_MONO:
case DCA_CHANNEL:
case DCA_STEREO_TOTAL:
case DCA_STEREO_SUMDIFF:
case DCA_4F2R:
av_log(NULL, 0, "Not implemented!\n");
break;
case DCA_STEREO:
break;
case DCA_3F:
DOWNMIX_TO_STEREO(MIX_FRONT3(samples),);
break;
case DCA_2F1R:
DOWNMIX_TO_STEREO(MIX_REAR1(samples, i + 512),);
break;
case DCA_3F1R:
DOWNMIX_TO_STEREO(MIX_FRONT3(samples),
MIX_REAR1(samples, i + 768));
break;
case DCA_2F2R:
DOWNMIX_TO_STEREO(MIX_REAR2(samples, i + 512, i + 768),);
break;
case DCA_3F2R:
DOWNMIX_TO_STEREO(MIX_FRONT3(samples),
MIX_REAR2(samples, i + 768, i + 1024));
break;
}
}
/* Very compact version of the block code decoder that does not use table
* look-up but is slightly slower */
static int decode_blockcode(int code, int levels, int *values)
{
int i;
int offset = (levels - 1) >> 1;
for (i = 0; i < 4; i++) {
values[i] = (code % levels) - offset;
code /= levels;
}
if (code == 0)
return 0;
else {
av_log(NULL, AV_LOG_ERROR, "ERROR: block code look-up failed\n");
return -1;
}
}
static const uint8_t abits_sizes[7] = { 7, 10, 12, 13, 15, 17, 19 };
static const uint8_t abits_levels[7] = { 3, 5, 7, 9, 13, 17, 25 };
static int dca_subsubframe(DCAContext * s)
{
int k, l;
int subsubframe = s->current_subsubframe;
float *quant_step_table;
/* FIXME */
float subband_samples[DCA_PRIM_CHANNELS_MAX][DCA_SUBBANDS][8];
/*
* Audio data
*/
/* Select quantization step size table */
if (s->bit_rate == 0x1f)
quant_step_table = (float *) lossless_quant_d;
else
quant_step_table = (float *) lossy_quant_d;
for (k = 0; k < s->prim_channels; k++) {
for (l = 0; l < s->vq_start_subband[k]; l++) {
int m;
/* Select the mid-tread linear quantizer */
int abits = s->bitalloc[k][l];
float quant_step_size = quant_step_table[abits];
float rscale;
/*
* Determine quantization index code book and its type
*/
/* Select quantization index code book */
int sel = s->quant_index_huffman[k][abits];
/*
* Extract bits from the bit stream
*/
if(!abits){
memset(subband_samples[k][l], 0, 8 * sizeof(subband_samples[0][0][0]));
}else if(abits >= 11 || !dca_smpl_bitalloc[abits].vlc[sel].table){
if(abits <= 7){
/* Block code */
int block_code1, block_code2, size, levels;
int block[8];
size = abits_sizes[abits-1];
levels = abits_levels[abits-1];
block_code1 = get_bits(&s->gb, size);
/* FIXME Should test return value */
decode_blockcode(block_code1, levels, block);
block_code2 = get_bits(&s->gb, size);
decode_blockcode(block_code2, levels, &block[4]);
for (m = 0; m < 8; m++)
subband_samples[k][l][m] = block[m];
}else{
/* no coding */
for (m = 0; m < 8; m++)
subband_samples[k][l][m] = get_sbits(&s->gb, abits - 3);
}
}else{
/* Huffman coded */
for (m = 0; m < 8; m++)
subband_samples[k][l][m] = get_bitalloc(&s->gb, &dca_smpl_bitalloc[abits], sel);
}
/* Deal with transients */
if (s->transition_mode[k][l] &&
subsubframe >= s->transition_mode[k][l])
rscale = quant_step_size * s->scale_factor[k][l][1];
else
rscale = quant_step_size * s->scale_factor[k][l][0];
rscale *= s->scalefactor_adj[k][sel];
for (m = 0; m < 8; m++)
subband_samples[k][l][m] *= rscale;
/*
* Inverse ADPCM if in prediction mode
*/
if (s->prediction_mode[k][l]) {
int n;
for (m = 0; m < 8; m++) {
for (n = 1; n <= 4; n++)
if (m >= n)
subband_samples[k][l][m] +=
(adpcm_vb[s->prediction_vq[k][l]][n - 1] *
subband_samples[k][l][m - n] / 8192);
else if (s->predictor_history)
subband_samples[k][l][m] +=
(adpcm_vb[s->prediction_vq[k][l]][n - 1] *
s->subband_samples_hist[k][l][m - n +
4] / 8192);
}
}
}
/*
* Decode VQ encoded high frequencies
*/
for (l = s->vq_start_subband[k]; l < s->subband_activity[k]; l++) {
/* 1 vector -> 32 samples but we only need the 8 samples
* for this subsubframe. */
int m;
if (!s->debug_flag & 0x01) {
av_log(s->avctx, AV_LOG_DEBUG, "Stream with high frequencies VQ coding\n");
s->debug_flag |= 0x01;
}
for (m = 0; m < 8; m++) {
subband_samples[k][l][m] =
high_freq_vq[s->high_freq_vq[k][l]][subsubframe * 8 +
m]
* (float) s->scale_factor[k][l][0] / 16.0;
}
}
}
/* Check for DSYNC after subsubframe */
if (s->aspf || subsubframe == s->subsubframes - 1) {
if (0xFFFF == get_bits(&s->gb, 16)) { /* 0xFFFF */
#ifdef TRACE
av_log(s->avctx, AV_LOG_DEBUG, "Got subframe DSYNC\n");
#endif
} else {
av_log(s->avctx, AV_LOG_ERROR, "Didn't get subframe DSYNC\n");
}
}
/* Backup predictor history for adpcm */
for (k = 0; k < s->prim_channels; k++)
for (l = 0; l < s->vq_start_subband[k]; l++)
memcpy(s->subband_samples_hist[k][l], &subband_samples[k][l][4],
4 * sizeof(subband_samples[0][0][0]));
/* 32 subbands QMF */
for (k = 0; k < s->prim_channels; k++) {
/* static float pcm_to_double[8] =
{32768.0, 32768.0, 524288.0, 524288.0, 0, 8388608.0, 8388608.0};*/
qmf_32_subbands(s, k, subband_samples[k], &s->samples[256 * k],
2.0 / 3 /*pcm_to_double[s->source_pcm_res] */ ,
0 /*s->bias */ );
}
/* Down mixing */
if (s->prim_channels > dca_channels[s->output & DCA_CHANNEL_MASK]) {
dca_downmix(s->samples, s->amode);
}
/* Generate LFE samples for this subsubframe FIXME!!! */
if (s->output & DCA_LFE) {
int lfe_samples = 2 * s->lfe * s->subsubframes;
int i_channels = dca_channels[s->output & DCA_CHANNEL_MASK];
lfe_interpolation_fir(s->lfe, 2 * s->lfe,
s->lfe_data + lfe_samples +
2 * s->lfe * subsubframe,
&s->samples[256 * i_channels],
8388608.0, s->bias);
/* Outputs 20bits pcm samples */
}
return 0;
}
static int dca_subframe_footer(DCAContext * s)
{
int aux_data_count = 0, i;
int lfe_samples;
/*
* Unpack optional information
*/
if (s->timestamp)
get_bits(&s->gb, 32);
if (s->aux_data)
aux_data_count = get_bits(&s->gb, 6);
for (i = 0; i < aux_data_count; i++)
get_bits(&s->gb, 8);
if (s->crc_present && (s->downmix || s->dynrange))
get_bits(&s->gb, 16);
lfe_samples = 2 * s->lfe * s->subsubframes;
for (i = 0; i < lfe_samples; i++) {
s->lfe_data[i] = s->lfe_data[i + lfe_samples];
}
return 0;
}
/**
* Decode a dca frame block
*
* @param s pointer to the DCAContext
*/
static int dca_decode_block(DCAContext * s)
{
/* Sanity check */
if (s->current_subframe >= s->subframes) {
av_log(s->avctx, AV_LOG_DEBUG, "check failed: %i>%i",
s->current_subframe, s->subframes);
return -1;
}
if (!s->current_subsubframe) {
#ifdef TRACE
av_log(s->avctx, AV_LOG_DEBUG, "DSYNC dca_subframe_header\n");
#endif
/* Read subframe header */
if (dca_subframe_header(s))
return -1;
}
/* Read subsubframe */
#ifdef TRACE
av_log(s->avctx, AV_LOG_DEBUG, "DSYNC dca_subsubframe\n");
#endif
if (dca_subsubframe(s))
return -1;
/* Update state */
s->current_subsubframe++;
if (s->current_subsubframe >= s->subsubframes) {
s->current_subsubframe = 0;
s->current_subframe++;
}
if (s->current_subframe >= s->subframes) {
#ifdef TRACE
av_log(s->avctx, AV_LOG_DEBUG, "DSYNC dca_subframe_footer\n");
#endif
/* Read subframe footer */
if (dca_subframe_footer(s))
return -1;
}
return 0;
}
/**
* Convert bitstream to one representation based on sync marker
*/
static int dca_convert_bitstream(uint8_t * src, int src_size, uint8_t * dst,
int max_size)
{
uint32_t mrk;
int i, tmp;
uint16_t *ssrc = (uint16_t *) src, *sdst = (uint16_t *) dst;
PutBitContext pb;
mrk = AV_RB32(src);
switch (mrk) {
case DCA_MARKER_RAW_BE:
memcpy(dst, src, FFMIN(src_size, max_size));
return FFMIN(src_size, max_size);
case DCA_MARKER_RAW_LE:
for (i = 0; i < (FFMIN(src_size, max_size) + 1) >> 1; i++)
*sdst++ = bswap_16(*ssrc++);
return FFMIN(src_size, max_size);
case DCA_MARKER_14B_BE:
case DCA_MARKER_14B_LE:
init_put_bits(&pb, dst, max_size);
for (i = 0; i < (src_size + 1) >> 1; i++, src += 2) {
tmp = ((mrk == DCA_MARKER_14B_BE) ? AV_RB16(src) : AV_RL16(src)) & 0x3FFF;
put_bits(&pb, 14, tmp);
}
flush_put_bits(&pb);
return (put_bits_count(&pb) + 7) >> 3;
default:
return -1;
}
}
/**
* Main frame decoding function
* FIXME add arguments
*/
static int dca_decode_frame(AVCodecContext * avctx,
void *data, int *data_size,
uint8_t * buf, int buf_size)
{
int i, j, k;
int16_t *samples = data;
DCAContext *s = avctx->priv_data;
int channels;
s->dca_buffer_size = dca_convert_bitstream(buf, buf_size, s->dca_buffer, DCA_MAX_FRAME_SIZE);
if (s->dca_buffer_size == -1) {
av_log(avctx, AV_LOG_ERROR, "Not a DCA frame\n");
return -1;
}
init_get_bits(&s->gb, s->dca_buffer, s->dca_buffer_size * 8);
if (dca_parse_frame_header(s) < 0) {
//seems like the frame is corrupt, try with the next one
return buf_size;
}
//set AVCodec values with parsed data
avctx->sample_rate = s->sample_rate;
avctx->channels = 2; //FIXME
avctx->bit_rate = s->bit_rate;
channels = dca_channels[s->output];
if(*data_size < (s->sample_blocks / 8) * 256 * sizeof(int16_t) * channels)
return -1;
*data_size = 0;
for (i = 0; i < (s->sample_blocks / 8); i++) {
dca_decode_block(s);
s->dsp.float_to_int16(s->tsamples, s->samples, 256 * channels);
/* interleave samples */
for (j = 0; j < 256; j++) {
for (k = 0; k < channels; k++)
samples[k] = s->tsamples[j + k * 256];
samples += channels;
}
*data_size += 256 * sizeof(int16_t) * channels;
}
return buf_size;
}
/**
* Build the cosine modulation tables for the QMF
*
* @param s pointer to the DCAContext
*/
static void pre_calc_cosmod(DCAContext * s)
{
int i, j, k;
static int cosmod_inited = 0;
if(cosmod_inited) return;
for (j = 0, k = 0; k < 16; k++)
for (i = 0; i < 16; i++)
cos_mod[j++] = cos((2 * i + 1) * (2 * k + 1) * M_PI / 64);
for (k = 0; k < 16; k++)
for (i = 0; i < 16; i++)
cos_mod[j++] = cos((i) * (2 * k + 1) * M_PI / 32);
for (k = 0; k < 16; k++)
cos_mod[j++] = 0.25 / (2 * cos((2 * k + 1) * M_PI / 128));
for (k = 0; k < 16; k++)
cos_mod[j++] = -0.25 / (2.0 * sin((2 * k + 1) * M_PI / 128));
cosmod_inited = 1;
}
/**
* DCA initialization
*
* @param avctx pointer to the AVCodecContext
*/
static int dca_decode_init(AVCodecContext * avctx)
{
DCAContext *s = avctx->priv_data;
s->avctx = avctx;
dca_init_vlcs();
pre_calc_cosmod(s);
dsputil_init(&s->dsp, avctx);
return 0;
}
AVCodec dca_decoder = {
.name = "dca",
.type = CODEC_TYPE_AUDIO,
.id = CODEC_ID_DTS,
.priv_data_size = sizeof(DCAContext),
.init = dca_decode_init,
.decode = dca_decode_frame,
};
#ifdef CONFIG_DCA_PARSER
typedef struct DCAParseContext {
ParseContext pc;
uint32_t lastmarker;
} DCAParseContext;
#define IS_MARKER(state, i, buf, buf_size) \
((state == DCA_MARKER_14B_LE && (i < buf_size-2) && (buf[i+1] & 0xF0) == 0xF0 && buf[i+2] == 0x07) \
|| (state == DCA_MARKER_14B_BE && (i < buf_size-2) && buf[i+1] == 0x07 && (buf[i+2] & 0xF0) == 0xF0) \
|| state == DCA_MARKER_RAW_LE || state == DCA_MARKER_RAW_BE)
/**
* finds the end of the current frame in the bitstream.
* @return the position of the first byte of the next frame, or -1
*/
static int dca_find_frame_end(DCAParseContext * pc1, const uint8_t * buf,
int buf_size)
{
int start_found, i;
uint32_t state;
ParseContext *pc = &pc1->pc;
start_found = pc->frame_start_found;
state = pc->state;
i = 0;
if (!start_found) {
for (i = 0; i < buf_size; i++) {
state = (state << 8) | buf[i];
if (IS_MARKER(state, i, buf, buf_size)) {
if (pc1->lastmarker && state == pc1->lastmarker) {
start_found = 1;
break;
} else if (!pc1->lastmarker) {
start_found = 1;
pc1->lastmarker = state;
break;
}
}
}
}
if (start_found) {
for (; i < buf_size; i++) {
state = (state << 8) | buf[i];
if (state == pc1->lastmarker && IS_MARKER(state, i, buf, buf_size)) {
pc->frame_start_found = 0;
pc->state = -1;
return i - 3;
}
}
}
pc->frame_start_found = start_found;
pc->state = state;
return END_NOT_FOUND;
}
static int dca_parse_init(AVCodecParserContext * s)
{
DCAParseContext *pc1 = s->priv_data;
pc1->lastmarker = 0;
return 0;
}
static int dca_parse(AVCodecParserContext * s,
AVCodecContext * avctx,
uint8_t ** poutbuf, int *poutbuf_size,
const uint8_t * buf, int buf_size)
{
DCAParseContext *pc1 = s->priv_data;
ParseContext *pc = &pc1->pc;
int next;
if (s->flags & PARSER_FLAG_COMPLETE_FRAMES) {
next = buf_size;
} else {
next = dca_find_frame_end(pc1, buf, buf_size);
if (ff_combine_frame(pc, next, (uint8_t **) & buf, &buf_size) < 0) {
*poutbuf = NULL;
*poutbuf_size = 0;
return buf_size;
}
}
*poutbuf = (uint8_t *) buf;
*poutbuf_size = buf_size;
return next;
}
AVCodecParser dca_parser = {
{CODEC_ID_DTS},
sizeof(DCAParseContext),
dca_parse_init,
dca_parse,
ff_parse_close,
};
#endif /* CONFIG_DCA_PARSER */
libavcodec/dcadata.h 0 → 100644
View file @ 01ca9ac3
This source diff could not be displayed because it is too large. You can view the blob instead.
libavcodec/dcahuff.h 0 → 100644
View file @ 01ca9ac3
/*
* DCA compatible decoder - huffman tables
* Copyright (C) 2004 Gildas Bazin
* Copyright (C) 2007 Konstantin Shishkov
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#define TMODE_COUNT 4
static const uint8_t tmode_vlc_bits[TMODE_COUNT] = { 3, 3, 3, 2 };
static const uint16_t tmode_codes[TMODE_COUNT][4] = {
{ 0x0000, 0x0002, 0x0006, 0x0007 },
{ 0x0002, 0x0006, 0x0007, 0x0000 },
{ 0x0006, 0x0007, 0x0000, 0x0002 },
{ 0x0000, 0x0001, 0x0002, 0x0003 }
};
static const uint8_t tmode_bits[TMODE_COUNT][4] = {
{ 1, 2, 3, 3 },
{ 2, 3, 3, 1 },
{ 3, 3, 1, 2 },
{ 2, 2, 2, 2 }
};
#define BITALLOC_12_COUNT 5
#define BITALLOC_12_VLC_BITS 9
static const uint8_t bitalloc_12_vlc_bits[BITALLOC_12_COUNT] = {
9, 7, 7, 9, 9
};
static const uint16_t bitalloc_12_codes[BITALLOC_12_COUNT][12] = {
{
0x0000, 0x0002, 0x0006, 0x000E, 0x001E, 0x003E, 0x00FF, 0x00FE,
0x01FB, 0x01FA, 0x01F9, 0x01F8,
},
{
0x0001, 0x0000, 0x0002, 0x000F, 0x000C, 0x001D, 0x0039, 0x0038,
0x0037, 0x0036, 0x0035, 0x0034,
},
{
0x0000, 0x0007, 0x0005, 0x0004, 0x0002, 0x000D, 0x000C, 0x0006,
0x000F, 0x001D, 0x0039, 0x0038,
},
{
0x0003, 0x0002, 0x0000, 0x0002, 0x0006, 0x000E, 0x001E, 0x003E,
0x007E, 0x00FE, 0x01FF, 0x01FE,
},
{
0x0001, 0x0000, 0x0002, 0x0006, 0x000E, 0x003F, 0x003D, 0x007C,
0x0079, 0x0078, 0x00FB, 0x00FA,
}
};
static const uint8_t bitalloc_12_bits[BITALLOC_12_COUNT][12] = {
{ 1, 2, 3, 4, 5, 6, 8, 8, 9, 9, 9, 9 },
{ 1, 2, 3, 5, 5, 6, 7, 7, 7, 7, 7, 7 },
{ 2, 3, 3, 3, 3, 4, 4, 4, 5, 6, 7, 7 },
{ 2, 2, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10 },
{ 1, 2, 3, 4, 5, 7, 7, 8, 8, 8, 9, 9 }
};
#define SCALES_COUNT 5
#define SCALES_VLC_BITS 9
static const uint16_t scales_codes[SCALES_COUNT][129] = {
{
0x3AB0, 0x3AB2, 0x3AB4, 0x3AB6, 0x3AB8, 0x3ABA, 0x3ABC, 0x3ABE,
0x3AC0, 0x3AC2, 0x3AC4, 0x3AC6, 0x3AC8, 0x3ACA, 0x3ACC, 0x3ACE,
0x3AD0, 0x3AD2, 0x3AD4, 0x3AD6, 0x3AD8, 0x3ADA, 0x3ADC, 0x3ADE,
0x3AE0, 0x3AE2, 0x3AE4, 0x3AE6, 0x3AE8, 0x3AEA, 0x3AEC, 0x3AEE,
0x3AF0, 0x3AF2, 0x3AF4, 0x3AF6, 0x3AF8, 0x3AFA, 0x3AFC, 0x3AFE,
0x0540, 0x0542, 0x0544, 0x0546, 0x0548, 0x054A, 0x054C, 0x054E,
0x0558, 0x055E, 0x02AD, 0x0154, 0x0754, 0x03A8, 0x0056, 0x0028,
0x00E8, 0x004A, 0x000B, 0x003B, 0x0013, 0x0003, 0x000F, 0x0005,
0x0001, 0x0006, 0x0000, 0x0008, 0x001C, 0x0004, 0x0024, 0x004B,
0x00E9, 0x0029, 0x0057, 0x03A9, 0x0755, 0x0155, 0x02AE, 0x055F,
0x0559, 0x054F, 0x054D, 0x054B, 0x0549, 0x0547, 0x0545, 0x0543,
0x0541, 0x3AFF, 0x3AFD, 0x3AFB, 0x3AF9, 0x3AF7, 0x3AF5, 0x3AF3,
0x3AF1, 0x3AEF, 0x3AED, 0x3AEB, 0x3AE9, 0x3AE7, 0x3AE5, 0x3AE3,
0x3AE1, 0x3ADF, 0x3ADD, 0x3ADB, 0x3AD9, 0x3AD7, 0x3AD5, 0x3AD3,
0x3AD1, 0x3ACF, 0x3ACD, 0x3ACB, 0x3AC9, 0x3AC7, 0x3AC5, 0x3AC3,
0x3AC1, 0x3ABF, 0x3ABD, 0x3ABB, 0x3AB9, 0x3AB7, 0x3AB5, 0x3AB3,
0x3AB1,
},
{
0x0F60, 0x0F62, 0x0F64, 0x0F66, 0x0F68, 0x0F6A, 0x0F6C, 0x0F6E,
0x0F70, 0x0F72, 0x0F74, 0x0F76, 0x0F78, 0x0F7A, 0x0F7C, 0x0F7E,
0x0F80, 0x0F82, 0x0F84, 0x0F86, 0x0F88, 0x0F8A, 0x0F8C, 0x0F8E,
0x0F90, 0x0F92, 0x0F94, 0x0F96, 0x0F98, 0x0F9A, 0x0F9C, 0x0F9E,
0x0FA0, 0x0FA2, 0x0FA4, 0x0FA6, 0x0FA8, 0x0FAA, 0x0FAC, 0x0FAE,
0x0FB0, 0x0FB2, 0x0FB4, 0x0FB6, 0x0FB8, 0x0FBA, 0x0FBC, 0x0FBE,
0x07A0, 0x07A2, 0x03D2, 0x01EA, 0x00FC, 0x007F, 0x001C, 0x000C,
0x0004, 0x0034, 0x0010, 0x001B, 0x0009, 0x000B, 0x000E, 0x0001,
0x0003, 0x0002, 0x000F, 0x000C, 0x000A, 0x0000, 0x0011, 0x0035,
0x0005, 0x000D, 0x001D, 0x003C, 0x00FD, 0x01EB, 0x03D3, 0x07A3,
0x07A1, 0x0FBF, 0x0FBD, 0x0FBB, 0x0FB9, 0x0FB7, 0x0FB5, 0x0FB3,
0x0FB1, 0x0FAF, 0x0FAD, 0x0FAB, 0x0FA9, 0x0FA7, 0x0FA5, 0x0FA3,
0x0FA1, 0x0F9F, 0x0F9D, 0x0F9B, 0x0F99, 0x0F97, 0x0F95, 0x0F93,
0x0F91, 0x0F8F, 0x0F8D, 0x0F8B, 0x0F89, 0x0F87, 0x0F85, 0x0F83,
0x0F81, 0x0F7F, 0x0F7D, 0x0F7B, 0x0F79, 0x0F77, 0x0F75, 0x0F73,
0x0F71, 0x0F6F, 0x0F6D, 0x0F6B, 0x0F69, 0x0F67, 0x0F65, 0x0F63,
0x0F61,
},
{
0x51D0, 0x51D2, 0x51D4, 0x51D6, 0x51D8, 0x51DA, 0x51DC, 0x51DE,
0x51E0, 0x51E2, 0x51E4, 0x51E6, 0x51E8, 0x51EA, 0x51EC, 0x51EE,
0x51F0, 0x51F2, 0x51F4, 0x51F6, 0x51F8, 0x51FA, 0x51FC, 0x51FE,
0x70C0, 0x70C2, 0x70C4, 0x70C6, 0x70C8, 0x70CA, 0x70CC, 0x70CE,
0x70EC, 0x10EA, 0x3868, 0x3877, 0x0876, 0x1C35, 0x0434, 0x0A34,
0x0E1B, 0x021B, 0x051B, 0x070F, 0x010F, 0x0380, 0x0080, 0x0140,
0x01C1, 0x0041, 0x00A1, 0x00E2, 0x0022, 0x0052, 0x0072, 0x0012,
0x002A, 0x003A, 0x000A, 0x0016, 0x001E, 0x0006, 0x000C, 0x0000,
0x0004, 0x0001, 0x000D, 0x0007, 0x001F, 0x0017, 0x000B, 0x003B,
0x002B, 0x0013, 0x0073, 0x0053, 0x0023, 0x00E3, 0x00A2, 0x0042,
0x01C2, 0x0141, 0x0081, 0x0381, 0x028C, 0x010C, 0x051C, 0x021C,
0x0E1C, 0x0A35, 0x0435, 0x1C3A, 0x0877, 0x0874, 0x3869, 0x10EB,
0x70ED, 0x70CF, 0x70CD, 0x70CB, 0x70C9, 0x70C7, 0x70C5, 0x70C3,
0x70C1, 0x51FF, 0x51FD, 0x51FB, 0x51F9, 0x51F7, 0x51F5, 0x51F3,
0x51F1, 0x51EF, 0x51ED, 0x51EB, 0x51E9, 0x51E7, 0x51E5, 0x51E3,
0x51E1, 0x51DF, 0x51DD, 0x51DB, 0x51D9, 0x51D7, 0x51D5, 0x51D3,
0x51D1,
},
{
0x6F64, 0x6F66, 0x6F68, 0x6F6A, 0x6F6C, 0x6F6E, 0x6F70, 0x6F72,
0x6F74, 0x6F76, 0x6F78, 0x6F7A, 0x6F7C, 0x6F7E, 0x6F80, 0x6F82,
0x6F84, 0x6F86, 0x6F88, 0x6F8A, 0x6F8C, 0x6F8E, 0x6F90, 0x6F92,
0x6F94, 0x6F96, 0x6F98, 0x6F9A, 0x6F9C, 0x6F9E, 0x6FA0, 0x6FA2,
0x6FA4, 0x6FA6, 0x6FA8, 0x6FAA, 0x6FAC, 0x6FAE, 0x6FB0, 0x6FB2,
0x6FB4, 0x6FB6, 0x17B4, 0x37DC, 0x0BDB, 0x1BEF, 0x05EE, 0x0DF8,
0x02F8, 0x06FD, 0x017D, 0x037F, 0x00BF, 0x0040, 0x00C0, 0x0021,
0x0061, 0x0011, 0x0031, 0x0009, 0x0019, 0x0006, 0x000E, 0x0004,
0x0000, 0x0005, 0x000F, 0x0007, 0x001A, 0x000A, 0x0036, 0x0016,
0x006E, 0x002E, 0x00C1, 0x0041, 0x01BC, 0x00BC, 0x037A, 0x017A,
0x02F9, 0x0DF9, 0x05EF, 0x05EC, 0x1BD8, 0x37DD, 0x17B5, 0x6FB7,
0x6FB5, 0x6FB3, 0x6FB1, 0x6FAF, 0x6FAD, 0x6FAB, 0x6FA9, 0x6FA7,
0x6FA5, 0x6FA3, 0x6FA1, 0x6F9F, 0x6F9D, 0x6F9B, 0x6F99, 0x6F97,
0x6F95, 0x6F93, 0x6F91, 0x6F8F, 0x6F8D, 0x6F8B, 0x6F89, 0x6F87,
0x6F85, 0x6F83, 0x6F81, 0x6F7F, 0x6F7D, 0x6F7B, 0x6F79, 0x6F77,
0x6F75, 0x6F73, 0x6F71, 0x6F6F, 0x6F6D, 0x6F6B, 0x6F69, 0x6F67,
0x6F65,
},
{
0xDF54, 0xDF56, 0xDFC8, 0xDFCA, 0xDFCC, 0xDFCE, 0xDFD0, 0xDFD2,
0xDFD4, 0xDFD6, 0xDFD8, 0xDFDA, 0xDFDC, 0xDFDE, 0xDFE0, 0xDFE2,
0x0FE8, 0x2FEA, 0x6FA8, 0x6FF6, 0x07F5, 0x07F7, 0x37D2, 0x37F9,
0x03F8, 0x0BF8, 0x0BFB, 0x1BEB, 0x01FA, 0x05FA, 0x09FA, 0x0DFA,
0x0DFF, 0x00FF, 0x02FF, 0x06FB, 0x007C, 0x017C, 0x027C, 0x027F,
0x003C, 0x00BC, 0x013C, 0x01BC, 0x001C, 0x005C, 0x009C, 0x00DC,
0x000C, 0x002C, 0x004C, 0x006C, 0x0004, 0x0014, 0x0024, 0x0034,
0x0000, 0x0008, 0x0010, 0x0018, 0x001E, 0x0002, 0x0006, 0x000A,
0x000E, 0x000B, 0x0007, 0x0003, 0x001F, 0x0019, 0x0011, 0x0009,
0x0001, 0x0035, 0x0025, 0x0015, 0x0005, 0x006D, 0x004D, 0x002D,
0x000D, 0x00DD, 0x009D, 0x005D, 0x001D, 0x01BD, 0x013D, 0x00BD,
0x003D, 0x037C, 0x027D, 0x017D, 0x007D, 0x06FC, 0x04FC, 0x02FC,
0x00FC, 0x0DFB, 0x09FB, 0x05FB, 0x01FB, 0x1BF8, 0x1BE8, 0x0BF9,
0x03F9, 0x37FA, 0x37D3, 0x17F4, 0x07F6, 0x6FF7, 0x6FA9, 0x2FEB,
0x0FE9, 0xDFE3, 0xDFE1, 0xDFDF, 0xDFDD, 0xDFDB, 0xDFD9, 0xDFD7,
0xDFD5, 0xDFD3, 0xDFD1, 0xDFCF, 0xDFCD, 0xDFCB, 0xDFC9, 0xDF57,
0xDF55,
}
};
static const uint8_t scales_bits[SCALES_COUNT][129] = {
{
14, 14, 14, 14, 14, 14, 14, 14,
14, 14, 14, 14, 14, 14, 14, 14,
14, 14, 14, 14, 14, 14, 14, 14,
14, 14, 14, 14, 14, 14, 14, 14,
14, 14, 14, 14, 14, 14, 14, 14,
13, 13, 13, 13, 13, 13, 13, 13,
13, 13, 12, 11, 11, 10, 9, 8,
8, 7, 6, 6, 5, 4, 4, 3,
2, 3, 3, 4, 5, 5, 6, 7,
8, 8, 9, 10, 11, 11, 12, 13,
13, 13, 13, 13, 13, 13, 13, 13,
13, 14, 14, 14, 14, 14, 14, 14,
14, 14, 14, 14, 14, 14, 14, 14,
14, 14, 14, 14, 14, 14, 14, 14,
14, 14, 14, 14, 14, 14, 14, 14,
14, 14, 14, 14, 14, 14, 14, 14,
14,
},
{
15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15,
14, 14, 13, 12, 11, 10, 8, 7,
6, 6, 5, 5, 4, 4, 4, 3,
3, 3, 4, 4, 4, 4, 5, 6,
6, 7, 8, 9, 11, 12, 13, 14,
14, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15,
15,
},
{
15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15,
15, 14, 14, 14, 13, 13, 12, 12,
12, 11, 11, 11, 10, 10, 9, 9,
9, 8, 8, 8, 7, 7, 7, 6,
6, 6, 5, 5, 5, 4, 4, 3,
3, 3, 4, 4, 5, 5, 5, 6,
6, 6, 7, 7, 7, 8, 8, 8,
9, 9, 9, 10, 10, 10, 11, 11,
12, 12, 12, 13, 13, 13, 14, 14,
15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15,
15,
},
{
15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 14, 14, 13, 13, 12, 12,
11, 11, 10, 10, 9, 8, 8, 7,
7, 6, 6, 5, 5, 4, 4, 3,
2, 3, 4, 4, 5, 5, 6, 6,
7, 7, 8, 8, 9, 9, 10, 10,
11, 12, 12, 12, 13, 14, 14, 15,
15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15,
15,
},
{
16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16,
15, 15, 15, 15, 14, 14, 14, 14,
13, 13, 13, 13, 12, 12, 12, 12,
12, 11, 11, 11, 10, 10, 10, 10,
9, 9, 9, 9, 8, 8, 8, 8,
7, 7, 7, 7, 6, 6, 6, 6,
5, 5, 5, 5, 5, 4, 4, 4,
4, 4, 4, 4, 5, 5, 5, 5,
5, 6, 6, 6, 6, 7, 7, 7,
7, 8, 8, 8, 8, 9, 9, 9,
9, 10, 10, 10, 10, 11, 11, 11,
11, 12, 12, 12, 12, 13, 13, 13,
13, 14, 14, 14, 14, 15, 15, 15,
15, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16,
16,
}
};
static const uint16_t bitalloc_3_codes[3] =
{
0x0003, 0x0000, 0x0002,
};
static const uint8_t bitalloc_3_bits[3] =
{
2, 1, 2,
};
static const uint16_t bitalloc_5_codes_a[5] =
{
0x000F, 0x0006, 0x0000, 0x0002, 0x000E,
};
static const uint16_t bitalloc_5_codes_b[5] =
{
0x0007, 0x0001, 0x0002, 0x0000, 0x0006,
};
static const uint16_t bitalloc_5_codes_c[5] =
{
0x0007, 0x0005, 0x0000, 0x0004, 0x0006,
};
static const uint8_t bitalloc_5_bits_a[5] =
{
4, 3, 1, 2, 4,
};
static const uint8_t bitalloc_5_bits_b[5] =
{
3, 2, 2, 2, 3,
};
static const uint8_t bitalloc_5_bits_c[5] =
{
3, 3, 1, 3, 3,
};
static const uint16_t bitalloc_7_codes_a[7] =
{
0x001E, 0x000E, 0x0005, 0x0000, 0x0006, 0x0004, 0x001F,
};
static const uint16_t bitalloc_7_codes_b[7] =
{
0x0014, 0x000B, 0x0000, 0x0003, 0x0001, 0x0004, 0x0015,
};
static const uint16_t bitalloc_7_codes_c[7] =
{
0x0000, 0x0002, 0x0001, 0x0003, 0x0002, 0x0003, 0x0001,
};
static const uint8_t bitalloc_7_bits_a[7] =
{
5, 4, 3, 1, 3, 3, 5,
};
static const uint8_t bitalloc_7_bits_b[7] =
{
5, 4, 2, 2, 2, 3, 5,
};
static const uint8_t bitalloc_7_bits_c[7] =
{
4, 4, 2, 2, 2, 4, 4,
};
static const uint16_t bitalloc_9_codes_a[9] =
{
0x0030, 0x0019, 0x0009, 0x0005, 0x0000, 0x0007, 0x000D, 0x0008,
0x0031,
};
static const uint16_t bitalloc_9_codes_b[9] =
{
0x0018, 0x001A, 0x0002, 0x0007, 0x0002, 0x0000, 0x0003, 0x001B,
0x0019,
};
static const uint16_t bitalloc_9_codes_c[9] =
{
0x001C, 0x000F, 0x0002, 0x0007, 0x0002, 0x0000, 0x0006, 0x0006,
0x001D,
};
static const uint8_t bitalloc_9_bits_a[9] =
{
6, 5, 4, 3, 1, 3, 4, 4, 6,
};
static const uint8_t bitalloc_9_bits_b[9] =
{
5, 5, 3, 3, 2, 2, 3, 5, 5,
};
static const uint8_t bitalloc_9_bits_c[9] =
{
6, 5, 3, 3, 2, 2, 3, 4, 6,
};
static const uint16_t bitalloc_13_codes_a[13] =
{
0x0070, 0x002E, 0x0039, 0x001D, 0x000C, 0x000F, 0x0000, 0x0004,
0x000D, 0x000A, 0x0016, 0x002F, 0x0071,
};
static const uint16_t bitalloc_13_codes_b[13] =
{
0x0038, 0x0010, 0x001D, 0x0007, 0x000F, 0x0005, 0x0000, 0x0006,
0x0002, 0x0009, 0x0006, 0x0011, 0x0039,
};
static const uint16_t bitalloc_13_codes_c[13] =
{
0x0004, 0x001A, 0x0003, 0x000E, 0x0000, 0x0003, 0x0005, 0x0004,
0x0002, 0x000F, 0x000C, 0x001B, 0x0005,
};
static const uint8_t bitalloc_13_bits_a[13] =
{
7, 6, 6, 5, 4, 4, 1, 3, 4, 4, 5, 6, 7,
};
static const uint8_t bitalloc_13_bits_b[13] =
{
6, 5, 5, 4, 4, 3, 2, 3, 3, 4, 4, 5, 6,
};
static const uint8_t bitalloc_13_bits_c[13] =
{
5, 5, 4, 4, 3, 3, 3, 3, 3, 4, 4, 5, 5,
};
static const uint16_t bitalloc_17_codes_a[17] =
{
0x0154, 0x00AB, 0x002B, 0x000B, 0x0003, 0x000A, 0x0001, 0x0006,
0x0001, 0x0007, 0x0004, 0x000B, 0x0000, 0x0004, 0x0014, 0x0054,
0x0155,
};
static const uint16_t bitalloc_17_codes_b[17] =
{
0x007C, 0x003F, 0x0019, 0x000D, 0x001C, 0x0008, 0x000F, 0x0005,
0x0000, 0x0006, 0x0002, 0x0009, 0x001D, 0x000E, 0x001E, 0x0018,
0x007D,
};
static const uint16_t bitalloc_17_codes_c[17] =
{
0x002C, 0x0017, 0x0005, 0x001C, 0x0003, 0x000A, 0x000F, 0x0003,
0x0006, 0x0004, 0x0000, 0x000B, 0x0004, 0x001D, 0x000A, 0x0004,
0x002D,
};
static const uint16_t bitalloc_17_codes_d[17] =
{
0x0100, 0x0102, 0x0082, 0x0042, 0x0022, 0x0012, 0x000A, 0x0006,
0x0000, 0x0007, 0x000B, 0x0013, 0x0023, 0x0043, 0x0083, 0x0103,
0x0101,
};
static const uint16_t bitalloc_17_codes_e[17] =
{
0x00E8, 0x00F6, 0x0075, 0x0034, 0x003B, 0x001B, 0x001F, 0x0004,
0x0000, 0x0005, 0x000C, 0x001C, 0x003C, 0x0035, 0x007A, 0x00F7,
0x00E9,
};
static const uint16_t bitalloc_17_codes_f[17] =
{
0x0004, 0x0003, 0x001E, 0x0001, 0x0001, 0x000E, 0x0001, 0x0004,
0x0006, 0x0005, 0x0002, 0x000F, 0x0006, 0x000E, 0x001F, 0x0000,
0x0005,
};
static const uint16_t bitalloc_17_codes_g[17] =
{
0x0060, 0x007E, 0x0031, 0x0019, 0x000D, 0x0004, 0x0000, 0x0006,
0x0002, 0x0007, 0x0001, 0x0005, 0x000E, 0x001E, 0x003E, 0x007F,
0x0061,
};
static const uint8_t bitalloc_17_bits_a[17] =
{
12, 11, 9, 7, 5, 4, 3, 3, 2, 3, 3, 4, 4, 6, 8, 10,
12,
};
static const uint8_t bitalloc_17_bits_b[17] =
{
8, 7, 6, 5, 5, 4, 4, 3, 2, 3, 3, 4, 5, 5, 6, 6,
8,
};
static const uint8_t bitalloc_17_bits_c[17] =
{
7, 6, 5, 5, 4, 4, 4, 3, 3, 3, 3, 4, 4, 5, 5, 5,
7,
};
static const uint8_t bitalloc_17_bits_d[17] =
{
9, 9, 8, 7, 6, 5, 4, 3, 1, 3, 4, 5, 6, 7, 8, 9,
9,
};
static const uint8_t bitalloc_17_bits_e[17] =
{
8, 8, 7, 6, 6, 5, 5, 3, 1, 3, 4, 5, 6, 6, 7, 8,
8,
};
static const uint8_t bitalloc_17_bits_f[17] =
{
8, 7, 6, 5, 4, 4, 3, 3, 3, 3, 3, 4, 4, 5, 6, 6,
8,
};
static const uint8_t bitalloc_17_bits_g[17] =
{
8, 8, 7, 6, 5, 4, 3, 3, 2, 3, 3, 4, 5, 6, 7, 8,
8,
};
static const uint16_t bitalloc_25_codes_a[25] =
{
0x2854, 0x142B, 0x050B, 0x0143, 0x00A2, 0x0052, 0x002E, 0x0015,
0x0004, 0x000E, 0x0000, 0x0003, 0x0006, 0x0004, 0x0001, 0x000F,
0x0005, 0x0016, 0x002F, 0x0053, 0x00A3, 0x00A0, 0x0284, 0x0A14,
0x2855,
};
static const uint16_t bitalloc_25_codes_b[25] =
{
0x001C, 0x000F, 0x0005, 0x0000, 0x0030, 0x0036, 0x000E, 0x0019,
0x0001, 0x0008, 0x000E, 0x0001, 0x0005, 0x0002, 0x000F, 0x0009,
0x0006, 0x001A, 0x000F, 0x0037, 0x0031, 0x0001, 0x0006, 0x0004,
0x001D,
};
static const uint16_t bitalloc_25_codes_c[25] =
{
0x004C, 0x0027, 0x006D, 0x0028, 0x0037, 0x000E, 0x0015, 0x0000,
0x0005, 0x0008, 0x000B, 0x000E, 0x0001, 0x000F, 0x000C, 0x0009,
0x0006, 0x0001, 0x001A, 0x000F, 0x0008, 0x0029, 0x0012, 0x006C,
0x004D,
};
static const uint16_t bitalloc_25_codes_d[25] =
{
0x0780, 0x0782, 0x03C2, 0x01E2, 0x00FE, 0x0079, 0x003D, 0x001C,
0x000C, 0x0004, 0x0000, 0x0006, 0x0002, 0x0007, 0x0001, 0x0005,
0x000D, 0x001D, 0x003E, 0x007E, 0x00FF, 0x01E3, 0x03C3, 0x0783,
0x0781,
};
static const uint16_t bitalloc_25_codes_e[25] =
{
0x003C, 0x0092, 0x0018, 0x001F, 0x004E, 0x000D, 0x0025, 0x0004,
0x0010, 0x0000, 0x000A, 0x0002, 0x0003, 0x0003, 0x000B, 0x0001,
0x0011, 0x0005, 0x0026, 0x000E, 0x004F, 0x0048, 0x0019, 0x0093,
0x003D,
};
static const uint16_t bitalloc_25_codes_f[25] =
{
0x0324, 0x0193, 0x00CE, 0x0065, 0x0024, 0x000C, 0x0013, 0x0004,
0x0007, 0x000A, 0x000D, 0x000F, 0x0001, 0x0000, 0x000E, 0x000B,
0x0008, 0x0005, 0x0018, 0x000D, 0x0025, 0x0066, 0x00CF, 0x00C8,
0x0325,
};
static const uint16_t bitalloc_25_codes_g[25] =
{
0x03A8, 0x03AE, 0x01D5, 0x0094, 0x0014, 0x004B, 0x000B, 0x003B,
0x0013, 0x0003, 0x000F, 0x0005, 0x0001, 0x0006, 0x0000, 0x0008,
0x001C, 0x0004, 0x0024, 0x0074, 0x0015, 0x0095, 0x01D6, 0x03AF,
0x03A9,
};
static const uint8_t bitalloc_25_bits_a[25] =
{
14, 13, 11, 9, 8, 7, 6, 5, 4, 4, 3, 3, 3, 3, 3, 4,
4, 5, 6, 7, 8, 8, 10, 12, 14,
};
static const uint8_t bitalloc_25_bits_b[25] =
{
9, 8, 7, 6, 6, 6, 5, 5, 4, 4, 4, 3, 3, 3, 4, 4,
4, 5, 5, 6, 6, 6, 7, 7, 9,
};
static const uint8_t bitalloc_25_bits_c[25] =
{
8, 7, 7, 6, 6, 5, 5, 4, 4, 4, 4, 4, 3, 4, 4, 4,
4, 4, 5, 5, 5, 6, 6, 7, 8,
};
static const uint8_t bitalloc_25_bits_d[25] =
{
12, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 3, 2, 3, 3, 4,
5, 6, 7, 8, 9, 10, 11, 12, 12,
};
static const uint8_t bitalloc_25_bits_e[25] =
{
8, 8, 7, 7, 7, 6, 6, 5, 5, 4, 4, 3, 2, 3, 4, 4,
5, 5, 6, 6, 7, 7, 7, 8, 8,
};
static const uint8_t bitalloc_25_bits_f[25] =
{
10, 9, 8, 7, 6, 5, 5, 4, 4, 4, 4, 4, 3, 3, 4, 4,
4, 4, 5, 5, 6, 7, 8, 8, 10,
};
static const uint8_t bitalloc_25_bits_g[25] =
{
10, 10, 9, 8, 7, 7, 6, 6, 5, 4, 4, 3, 2, 3, 3, 4,
5, 5, 6, 7, 7, 8, 9, 10, 10,
};
static const uint16_t bitalloc_33_codes_a[33] =
{
0x1580, 0x1582, 0x0AC2, 0x0562, 0x02B2, 0x015E, 0x00AD, 0x0054,
0x001C, 0x003C, 0x000F, 0x001F, 0x0008, 0x000B, 0x000D, 0x0000,
0x0002, 0x0001, 0x000E, 0x000C, 0x0009, 0x0006, 0x0014, 0x003D,
0x001D, 0x0055, 0x00AE, 0x015F, 0x02B3, 0x0563, 0x0AC3, 0x1583,
0x1581,
};
static const uint16_t bitalloc_33_codes_b[33] =
{
0x030C, 0x0187, 0x006D, 0x0028, 0x0037, 0x0066, 0x0015, 0x0031,
0x0000, 0x000B, 0x0012, 0x001A, 0x0001, 0x0007, 0x000A, 0x000E,
0x0001, 0x000F, 0x000B, 0x0008, 0x0004, 0x001B, 0x0013, 0x000C,
0x0001, 0x0032, 0x001A, 0x0067, 0x0060, 0x0029, 0x00C2, 0x006C,
0x030D,
};
static const uint16_t bitalloc_33_codes_c[33] =
{
0x00CC, 0x0067, 0x0005, 0x0070, 0x0003, 0x001A, 0x0039, 0x003F,
0x000A, 0x0012, 0x0018, 0x001D, 0x0001, 0x0003, 0x0007, 0x000A,
0x000D, 0x000B, 0x0008, 0x0004, 0x0002, 0x001E, 0x0019, 0x0013,
0x000B, 0x0000, 0x003E, 0x001B, 0x0018, 0x0071, 0x0032, 0x0004,
0x00CD,
};
static const uint16_t bitalloc_33_codes_d[33] =
{
0x3AF8, 0x3AFA, 0x1D7E, 0x0EBC, 0x075C, 0x03AC, 0x01D4, 0x0094,
0x0014, 0x004B, 0x000B, 0x003B, 0x0013, 0x0003, 0x000F, 0x0005,
0x0001, 0x0006, 0x0000, 0x0008, 0x001C, 0x0004, 0x0024, 0x0074,
0x0015, 0x0095, 0x01D5, 0x03AD, 0x075D, 0x0EBD, 0x1D7F, 0x3AFB,
0x3AF9,
};
static const uint16_t bitalloc_33_codes_e[33] =
{
0x01C8, 0x01E6, 0x0064, 0x00E2, 0x00E5, 0x0030, 0x0033, 0x0073,
0x007A, 0x001A, 0x003A, 0x0002, 0x001A, 0x001F, 0x0007, 0x0001,
0x0002, 0x0002, 0x000C, 0x0000, 0x001B, 0x0003, 0x003B, 0x001B,
0x007B, 0x0078, 0x0070, 0x0031, 0x00F2, 0x00E3, 0x0065, 0x01E7,
0x01C9,
};
static const uint16_t bitalloc_33_codes_f[33] =
{
0x0724, 0x0393, 0x01CE, 0x00E5, 0x002C, 0x0008, 0x0017, 0x003E,
0x0005, 0x0014, 0x001D, 0x0000, 0x0003, 0x0006, 0x0008, 0x000B,
0x000D, 0x000C, 0x0009, 0x0007, 0x0004, 0x0001, 0x001E, 0x0015,
0x000A, 0x003F, 0x0038, 0x0009, 0x002D, 0x00E6, 0x01CF, 0x01C8,
0x0725,
};
static const uint16_t bitalloc_33_codes_g[33] =
{
0x0284, 0x0042, 0x0140, 0x0143, 0x003E, 0x00BE, 0x0011, 0x0051,
0x0009, 0x0029, 0x0005, 0x0015, 0x0000, 0x0008, 0x000E, 0x0002,
0x0006, 0x0003, 0x000F, 0x0009, 0x0001, 0x0016, 0x0006, 0x002E,
0x000E, 0x005E, 0x001E, 0x00BF, 0x003F, 0x0020, 0x0141, 0x0043,
0x0285,
};
static const uint8_t bitalloc_33_bits_a[33] =
{
13, 13, 12, 11, 10, 9, 8, 7, 6, 6, 5, 5, 4, 4, 4, 3,
3, 3, 4, 4, 4, 4, 5, 6, 6, 7, 8, 9, 10, 11, 12, 13,
13,
};
static const uint8_t bitalloc_33_bits_b[33] =
{
10, 9, 8, 7, 7, 7, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4,
3, 4, 4, 4, 4, 5, 5, 5, 5, 6, 6, 7, 7, 7, 8, 8,
10,
};
static const uint8_t bitalloc_33_bits_c[33] =
{
9, 8, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4,
4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 6, 6, 6, 7, 7, 7,
9,
};
static const uint8_t bitalloc_33_bits_d[33] =
{
14, 14, 13, 12, 11, 10, 9, 8, 7, 7, 6, 6, 5, 4, 4, 3,
2, 3, 3, 4, 5, 5, 6, 7, 7, 8, 9, 10, 11, 12, 13, 14,
14,
};
static const uint8_t bitalloc_33_bits_e[33] =
{
9, 9, 8, 8, 8, 7, 7, 7, 7, 6, 6, 5, 5, 5, 4, 3,
2, 3, 4, 4, 5, 5, 6, 6, 7, 7, 7, 7, 8, 8, 8, 9,
9,
};
static const uint8_t bitalloc_33_bits_f[33] =
{
11, 10, 9, 8, 7, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4,
4, 4, 4, 4, 4, 4, 5, 5, 5, 6, 6, 6, 7, 8, 9, 9,
11,
};
static const uint8_t bitalloc_33_bits_g[33] =
{
10, 9, 9, 9, 8, 8, 7, 7, 6, 6, 5, 5, 4, 4, 4, 3,
3, 3, 4, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 8, 9, 9,
10,
};
static const uint16_t bitalloc_65_codes_a[65] =
{
0x9E5C, 0x9E5E, 0x4F2C, 0x2794, 0x13C4, 0x1E44, 0x09E3, 0x0F23,
0x04F3, 0x0792, 0x027E, 0x03CE, 0x013D, 0x01E5, 0x009C, 0x00CC,
0x0040, 0x0058, 0x0067, 0x001E, 0x0021, 0x002D, 0x003D, 0x0007,
0x0011, 0x0014, 0x0017, 0x001A, 0x001C, 0x001F, 0x0001, 0x0004,
0x0006, 0x0005, 0x0002, 0x0000, 0x001D, 0x001B, 0x0018, 0x0015,
0x0012, 0x000E, 0x0006, 0x0032, 0x0026, 0x001F, 0x0078, 0x0059,
0x0041, 0x00CD, 0x009D, 0x01E6, 0x013E, 0x03CF, 0x027F, 0x0793,
0x0790, 0x04F0, 0x09E4, 0x1E45, 0x13C5, 0x2795, 0x4F2D, 0x9E5F,
0x9E5D,
};
static const uint16_t bitalloc_65_codes_b[65] =
{
0x0A8C, 0x0547, 0x01B5, 0x0008, 0x00DB, 0x0152, 0x0005, 0x000B,
0x008E, 0x00AE, 0x00E4, 0x0003, 0x0037, 0x0039, 0x0055, 0x006C,
0x0073, 0x0003, 0x0015, 0x001D, 0x0028, 0x0030, 0x0037, 0x003E,
0x0006, 0x000B, 0x000F, 0x0012, 0x0016, 0x0019, 0x001D, 0x0001,
0x0004, 0x0002, 0x001E, 0x001A, 0x0017, 0x0013, 0x0010, 0x000C,
0x0007, 0x003F, 0x0038, 0x0031, 0x0029, 0x0022, 0x001A, 0x0014,
0x0000, 0x006D, 0x0056, 0x0046, 0x0038, 0x0004, 0x00E5, 0x00AF,
0x008F, 0x006C, 0x000A, 0x0153, 0x0150, 0x0009, 0x02A2, 0x01B4,
0x0A8D,
};
static const uint16_t bitalloc_65_codes_c[65] =
{
0x045C, 0x022F, 0x03F5, 0x01BC, 0x01FB, 0x0059, 0x00D0, 0x00DF,
0x000A, 0x002D, 0x002F, 0x0052, 0x0069, 0x0078, 0x007F, 0x000A,
0x0010, 0x001C, 0x0023, 0x002A, 0x0035, 0x003A, 0x003D, 0x0000,
0x0003, 0x0006, 0x0009, 0x000C, 0x000F, 0x0012, 0x0016, 0x0018,
0x001C, 0x0019, 0x0017, 0x0013, 0x0010, 0x000D, 0x000A, 0x0007,
0x0004, 0x0001, 0x003E, 0x003B, 0x0036, 0x002B, 0x0028, 0x001D,
0x0011, 0x000B, 0x0004, 0x0079, 0x006E, 0x0053, 0x0044, 0x002E,
0x000B, 0x00FC, 0x00D1, 0x008A, 0x0058, 0x01BD, 0x0116, 0x03F4,
0x045D,
};
static const uint16_t bitalloc_65_codes_d[65] =
{
0x70B0, 0x70B2, 0x70B4, 0x2852, 0x385B, 0x142E, 0x1C2E, 0x0A15,
0x0E14, 0x0214, 0x0704, 0x0104, 0x010B, 0x0383, 0x0083, 0x0143,
0x01C3, 0x0043, 0x00A2, 0x00E2, 0x0022, 0x0052, 0x0072, 0x0012,
0x002A, 0x003A, 0x000A, 0x0016, 0x001E, 0x0006, 0x000C, 0x0000,
0x0004, 0x0001, 0x000D, 0x0007, 0x001F, 0x0017, 0x000B, 0x003B,
0x002B, 0x0013, 0x0073, 0x0053, 0x0023, 0x00E3, 0x00A3, 0x00A0,
0x0040, 0x01C0, 0x0084, 0x0384, 0x0284, 0x0105, 0x0705, 0x0215,
0x0E15, 0x0A16, 0x1C2F, 0x142F, 0x1428, 0x2853, 0x70B5, 0x70B3,
0x70B1,
};
static const uint16_t bitalloc_65_codes_e[65] =
{
0x032C, 0x0332, 0x0378, 0x037E, 0x008C, 0x014A, 0x0188, 0x0197,
0x019E, 0x01BD, 0x0044, 0x0047, 0x00AA, 0x00C5, 0x00CD, 0x00DC,
0x001C, 0x002C, 0x0053, 0x0063, 0x0068, 0x0008, 0x000F, 0x0017,
0x002B, 0x0035, 0x0005, 0x0009, 0x0016, 0x001C, 0x0006, 0x000F,
0x0004, 0x0000, 0x0007, 0x001D, 0x0017, 0x000A, 0x0006, 0x0036,
0x0030, 0x0028, 0x0010, 0x0009, 0x0069, 0x0064, 0x0054, 0x002D,
0x001D, 0x00DD, 0x00CE, 0x00CA, 0x00AB, 0x00A4, 0x0045, 0x01BE,
0x019F, 0x0198, 0x0189, 0x014B, 0x008D, 0x037F, 0x0379, 0x0333,
0x032D,
};
static const uint16_t bitalloc_65_codes_f[65] =
{
0x0FE0, 0x0FE2, 0x0FE8, 0x0FEA, 0x0FEC, 0x0FEE, 0x0FF0, 0x0FF2,
0x0FF4, 0x2FF2, 0x07F2, 0x07FB, 0x03F6, 0x0BFA, 0x0BFD, 0x01FF,
0x05FF, 0x02FC, 0x007C, 0x017C, 0x003C, 0x00BC, 0x001C, 0x005C,
0x000C, 0x002C, 0x0004, 0x0014, 0x0000, 0x0008, 0x000E, 0x0002,
0x0006, 0x0003, 0x000F, 0x0009, 0x0001, 0x0015, 0x0005, 0x002D,
0x000D, 0x005D, 0x001D, 0x00BD, 0x003D, 0x017D, 0x007D, 0x02FD,
0x00FC, 0x05FC, 0x01FA, 0x0BFB, 0x03F7, 0x17F8, 0x07F3, 0x2FF3,
0x0FF5, 0x0FF3, 0x0FF1, 0x0FEF, 0x0FED, 0x0FEB, 0x0FE9, 0x0FE3,
0x0FE1,
};
static const uint16_t bitalloc_65_codes_g[65] =
{
0x010C, 0x038A, 0x0608, 0x0786, 0x0084, 0x0087, 0x0302, 0x0305,
0x0040, 0x00E0, 0x00E3, 0x0183, 0x001E, 0x005E, 0x009E, 0x00DE,
0x00F1, 0x0011, 0x0039, 0x0061, 0x0079, 0x0009, 0x001D, 0x0031,
0x003D, 0x0005, 0x000F, 0x0019, 0x001F, 0x0003, 0x0006, 0x000A,
0x000E, 0x000B, 0x0008, 0x0004, 0x0000, 0x001A, 0x0012, 0x000A,
0x0002, 0x0036, 0x0026, 0x0016, 0x0006, 0x006E, 0x004E, 0x002E,
0x000E, 0x00DF, 0x009F, 0x005F, 0x001F, 0x01E0, 0x0180, 0x00E1,
0x0041, 0x03C2, 0x0303, 0x01C4, 0x0085, 0x0787, 0x0609, 0x038B,
0x010D,
};
static const uint8_t bitalloc_65_bits_a[65] =
{
16, 16, 15, 14, 13, 13, 12, 12, 11, 11, 10, 10, 9, 9, 8, 8,
7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4,
4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 7, 7,
7, 8, 8, 9, 9, 10, 10, 11, 11, 11, 12, 13, 13, 14, 15, 16,
16,
};
static const uint8_t bitalloc_65_bits_b[65] =
{
12, 11, 10, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7,
7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4,
4, 4, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6,
6, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 9, 9, 9, 10, 10,
12,
};
static const uint8_t bitalloc_65_bits_c[65] =
{
11, 10, 10, 9, 9, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 6,
6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5,
5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6,
6, 6, 6, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 9, 9, 10,
11,
};
static const uint8_t bitalloc_65_bits_d[65] =
{
15, 15, 15, 14, 14, 13, 13, 12, 12, 11, 11, 10, 10, 10, 9, 9,
9, 8, 8, 8, 7, 7, 7, 6, 6, 6, 5, 5, 5, 4, 4, 3,
3, 3, 4, 4, 5, 5, 5, 6, 6, 6, 7, 7, 7, 8, 8, 8,
8, 9, 9, 10, 10, 10, 11, 11, 12, 12, 13, 13, 13, 14, 15, 15,
15,
};
static const uint8_t bitalloc_65_bits_e[65] =
{
10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8,
7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4,
3, 3, 4, 5, 5, 5, 5, 6, 6, 6, 6, 6, 7, 7, 7, 7,
7, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 10, 10, 10,
10,
};
static const uint8_t bitalloc_65_bits_f[65] =
{
14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 12, 12, 12, 11,
11, 10, 9, 9, 8, 8, 7, 7, 6, 6, 5, 5, 4, 4, 4, 3,
3, 3, 4, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9, 10,
10, 11, 11, 12, 12, 13, 13, 14, 14, 14, 14, 14, 14, 14, 14, 14,
14,
};
static const uint8_t bitalloc_65_bits_g[65] =
{
11, 11, 11, 11, 10, 10, 10, 10, 9, 9, 9, 9, 8, 8, 8, 8,
8, 7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4,
4, 4, 4, 4, 4, 5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7,
7, 8, 8, 8, 8, 9, 9, 9, 9, 10, 10, 10, 10, 11, 11, 11,
11,
};
static const uint16_t bitalloc_129_codes_a[129] =
{
0x0660, 0x0666, 0x06EC, 0x0722, 0x0760, 0x076E, 0x004C, 0x004E,
0x00F4, 0x010A, 0x0148, 0x0156, 0x01D4, 0x01F2, 0x0331, 0x0370,
0x0377, 0x0396, 0x03B1, 0x0024, 0x0064, 0x007B, 0x008A, 0x00A5,
0x00D4, 0x00EB, 0x00FA, 0x019A, 0x01B9, 0x01C9, 0x01D9, 0x0010,
0x0030, 0x0033, 0x0043, 0x0053, 0x006B, 0x007A, 0x00CA, 0x00D2,
0x00DE, 0x00E6, 0x00F6, 0x000E, 0x001F, 0x0023, 0x002B, 0x003B,
0x003F, 0x0067, 0x0070, 0x0077, 0x0005, 0x000D, 0x0012, 0x001B,
0x002C, 0x0035, 0x003A, 0x0004, 0x000B, 0x0017, 0x001F, 0x0009,
0x0008, 0x000A, 0x0000, 0x0018, 0x000C, 0x0005, 0x003C, 0x0036,
0x002D, 0x001C, 0x0013, 0x000E, 0x0006, 0x007A, 0x0071, 0x0068,
0x0064, 0x003C, 0x0034, 0x0028, 0x0020, 0x000F, 0x00F7, 0x00E7,
0x00DF, 0x00D3, 0x00CB, 0x007B, 0x0074, 0x0054, 0x0044, 0x003C,
0x0031, 0x0011, 0x01DA, 0x01CA, 0x01BA, 0x019B, 0x00FB, 0x00F8,
0x00D5, 0x00AA, 0x008B, 0x0084, 0x0065, 0x0025, 0x03B6, 0x0397,
0x0390, 0x0371, 0x0332, 0x01F3, 0x01D5, 0x0157, 0x0149, 0x010B,
0x00F5, 0x004F, 0x004D, 0x076F, 0x0761, 0x0723, 0x06ED, 0x0667,
0x0661,
};
static const uint16_t bitalloc_129_codes_b[129] =
{
0x29DC, 0x14EF, 0x0455, 0x0E9C, 0x022B, 0x0489, 0x0740, 0x074F,
0x0172, 0x0245, 0x0247, 0x030A, 0x03A1, 0x001C, 0x008B, 0x00D6,
0x010C, 0x0148, 0x014F, 0x0186, 0x01D1, 0x0008, 0x000F, 0x0046,
0x005D, 0x0078, 0x0087, 0x0096, 0x00A5, 0x00BC, 0x00D8, 0x00DE,
0x00F6, 0x0005, 0x0014, 0x0024, 0x002F, 0x003A, 0x003D, 0x0049,
0x0050, 0x0058, 0x005F, 0x0066, 0x006D, 0x0075, 0x007C, 0x0004,
0x000B, 0x0013, 0x0018, 0x001B, 0x001F, 0x0022, 0x0026, 0x002A,
0x002D, 0x0031, 0x0034, 0x0038, 0x003B, 0x003F, 0x0003, 0x0006,
0x000A, 0x0007, 0x0004, 0x0000, 0x003C, 0x0039, 0x0035, 0x0032,
0x002E, 0x002B, 0x0027, 0x0023, 0x0020, 0x001C, 0x0019, 0x0016,
0x0010, 0x0005, 0x007D, 0x007A, 0x006E, 0x0067, 0x0060, 0x0059,
0x0051, 0x004A, 0x0042, 0x003B, 0x0034, 0x0025, 0x0015, 0x0006,
0x00F7, 0x00DF, 0x00D9, 0x00BD, 0x00A6, 0x0097, 0x0090, 0x0079,
0x006A, 0x0047, 0x0044, 0x0009, 0x01D2, 0x0187, 0x0184, 0x0149,
0x010D, 0x00D7, 0x00B8, 0x001D, 0x03A6, 0x030B, 0x029C, 0x0246,
0x0173, 0x0114, 0x0741, 0x053A, 0x0488, 0x0E9D, 0x0A76, 0x0454,
0x29DD,
};
static const uint16_t bitalloc_129_codes_c[129] =
{
0x0E5C, 0x072F, 0x001D, 0x0724, 0x000F, 0x010D, 0x0324, 0x0393,
0x03E9, 0x0080, 0x0087, 0x00FA, 0x0164, 0x0193, 0x01DE, 0x01F5,
0x0010, 0x002A, 0x0041, 0x0064, 0x0073, 0x008E, 0x00A4, 0x00B3,
0x00D6, 0x00E5, 0x00F4, 0x00FB, 0x0002, 0x0009, 0x0013, 0x001E,
0x0026, 0x002C, 0x0033, 0x003F, 0x0041, 0x004C, 0x0053, 0x005E,
0x0065, 0x0070, 0x0073, 0x0078, 0x007B, 0x007E, 0x0002, 0x0005,
0x0007, 0x000B, 0x000D, 0x0011, 0x0014, 0x0017, 0x001A, 0x001D,
0x0021, 0x0024, 0x0027, 0x002A, 0x002D, 0x0030, 0x0033, 0x0036,
0x003A, 0x0037, 0x0034, 0x0031, 0x002E, 0x002B, 0x0028, 0x0025,
0x0022, 0x001E, 0x001B, 0x0018, 0x0015, 0x0012, 0x000E, 0x000C,
0x0008, 0x0006, 0x0003, 0x007F, 0x007C, 0x0079, 0x0076, 0x0071,
0x006A, 0x005F, 0x0058, 0x004D, 0x0046, 0x0040, 0x0038, 0x002D,
0x0027, 0x001F, 0x0014, 0x0012, 0x0003, 0x0000, 0x00F5, 0x00EE,
0x00D7, 0x00C8, 0x00A5, 0x008F, 0x007C, 0x0065, 0x0042, 0x002B,
0x0011, 0x0002, 0x01DF, 0x01C8, 0x0165, 0x00FB, 0x00E4, 0x0081,
0x0006, 0x03E8, 0x0325, 0x01CA, 0x010C, 0x0725, 0x0396, 0x001C,
0x0E5D,
};
static const uint16_t bitalloc_129_codes_d[129] =
{
0xA598, 0xA59A, 0xA59C, 0xA59E, 0xC598, 0xE586, 0x3ACC, 0x52CA,
0x62CD, 0x0D48, 0x1D67, 0x2978, 0x3167, 0x3966, 0x06A5, 0x0EBC,
0x14BD, 0x1CB1, 0x0350, 0x0353, 0x075F, 0x0A5F, 0x0C5E, 0x0E5E,
0x01AE, 0x03AD, 0x052D, 0x062D, 0x072D, 0x00D5, 0x01D4, 0x0294,
0x0314, 0x0394, 0x0014, 0x0094, 0x0114, 0x0174, 0x01B4, 0x01F4,
0x000B, 0x004B, 0x008B, 0x00BB, 0x00DB, 0x00FB, 0x001B, 0x003B,
0x0053, 0x0063, 0x0073, 0x0003, 0x0013, 0x0023, 0x002F, 0x0037,
0x003F, 0x0007, 0x000F, 0x0015, 0x0019, 0x001D, 0x0001, 0x0005,
0x0009, 0x0006, 0x0002, 0x001E, 0x001A, 0x0016, 0x0010, 0x0008,
0x0000, 0x0038, 0x0030, 0x0028, 0x001C, 0x000C, 0x007C, 0x006C,
0x005C, 0x0044, 0x0024, 0x0004, 0x00E4, 0x00C4, 0x00A4, 0x0074,
0x0034, 0x01F5, 0x01B5, 0x0175, 0x0115, 0x0095, 0x0015, 0x0395,
0x0315, 0x0295, 0x01D5, 0x00D6, 0x072E, 0x062E, 0x052E, 0x03AE,
0x01AF, 0x0E5F, 0x0C5F, 0x0C58, 0x0A58, 0x0758, 0x0351, 0x1CB2,
0x18B2, 0x0EBD, 0x0EB2, 0x3967, 0x3960, 0x2979, 0x2964, 0x0D49,
0x72C2, 0x52CB, 0x3ACD, 0xE587, 0xC599, 0xA59F, 0xA59D, 0xA59B,
0xA599,
};
static const uint16_t bitalloc_129_codes_e[129] =
{
0xA13C, 0xC720, 0xA13F, 0xA13E, 0xA13D, 0xE722, 0x5090, 0x6393,
0x7392, 0x2849, 0x31CE, 0x39CE, 0x1425, 0x18E5, 0x1CE5, 0x0844,
0x0A1C, 0x0C7C, 0x036C, 0x0423, 0x050F, 0x063F, 0x01B7, 0x0216,
0x0285, 0x031D, 0x039D, 0x0109, 0x0140, 0x0180, 0x01C8, 0x01CF,
0x007A, 0x008A, 0x00A2, 0x00C1, 0x00E5, 0x0014, 0x0037, 0x0043,
0x004E, 0x0056, 0x0061, 0x006C, 0x007C, 0x000B, 0x001C, 0x001F,
0x0023, 0x0025, 0x0029, 0x002C, 0x002E, 0x0032, 0x0034, 0x0037,
0x003A, 0x003C, 0x003F, 0x0001, 0x0003, 0x0006, 0x0008, 0x000A,
0x000C, 0x000B, 0x0009, 0x0007, 0x0004, 0x0002, 0x0000, 0x003D,
0x003B, 0x0038, 0x0035, 0x0033, 0x002F, 0x002D, 0x002A, 0x0026,
0x0024, 0x0020, 0x001D, 0x001A, 0x007D, 0x006D, 0x0062, 0x0057,
0x004F, 0x0044, 0x003C, 0x0015, 0x00E6, 0x00C6, 0x00A3, 0x008B,
0x007B, 0x006C, 0x01C9, 0x0181, 0x0141, 0x010A, 0x00DA, 0x031E,
0x0286, 0x0217, 0x0210, 0x0738, 0x0638, 0x0508, 0x036D, 0x0C7D,
0x0A1D, 0x0845, 0x1CE6, 0x18E6, 0x1426, 0x39CF, 0x31CF, 0x284E,
0x7393, 0x7390, 0x5091, 0xE723, 0xC724, 0xC725, 0xC722, 0xC723,
0xC721,
};
static const uint16_t bitalloc_129_codes_f[129] =
{
0x762C, 0x3B17, 0x1555, 0x0608, 0x0AAB, 0x0FF2, 0x0305, 0x0307,
0x0763, 0x0046, 0x010C, 0x01BC, 0x02AB, 0x03B6, 0x03FD, 0x0080,
0x0087, 0x00DF, 0x0156, 0x01D9, 0x01F8, 0x01FF, 0x002A, 0x0041,
0x0061, 0x0094, 0x00D4, 0x00EA, 0x00F2, 0x00FD, 0x0009, 0x000B,
0x001A, 0x0026, 0x0031, 0x0040, 0x004B, 0x006B, 0x0073, 0x0077,
0x007A, 0x007C, 0x0000, 0x0002, 0x0006, 0x0008, 0x000B, 0x000E,
0x0011, 0x0014, 0x0016, 0x0019, 0x001C, 0x001E, 0x0021, 0x0023,
0x0026, 0x0028, 0x002B, 0x002D, 0x002F, 0x0031, 0x0033, 0x0036,
0x0038, 0x0037, 0x0034, 0x0032, 0x0030, 0x002E, 0x002C, 0x0029,
0x0027, 0x0024, 0x0022, 0x001F, 0x001D, 0x001A, 0x0017, 0x0015,
0x0012, 0x000F, 0x000C, 0x0009, 0x0007, 0x0003, 0x0001, 0x007D,
0x007B, 0x0078, 0x0074, 0x0072, 0x0054, 0x0041, 0x0036, 0x0027,
0x001B, 0x0014, 0x000A, 0x00FE, 0x00F3, 0x00EB, 0x00D5, 0x0095,
0x006E, 0x0042, 0x002B, 0x0010, 0x01F9, 0x01DA, 0x0157, 0x0154,
0x00C0, 0x0081, 0x0022, 0x03B7, 0x03B0, 0x01BD, 0x010D, 0x0047,
0x07F8, 0x0554, 0x0306, 0x0FF3, 0x0EC4, 0x0609, 0x1D8A, 0x1554,
0x762D,
};
static const uint16_t bitalloc_129_codes_g[129] =
{
0x1E20, 0x1E5E, 0x031C, 0x051A, 0x0718, 0x0916, 0x0B14, 0x0D12,
0x0F11, 0x0090, 0x018F, 0x028E, 0x038D, 0x048C, 0x058B, 0x068A,
0x0789, 0x0049, 0x00C8, 0x0148, 0x01C7, 0x0247, 0x02C6, 0x0346,
0x03C5, 0x0025, 0x0065, 0x00A5, 0x00E4, 0x0124, 0x0164, 0x01A4,
0x01E3, 0x0013, 0x0033, 0x0053, 0x0073, 0x0093, 0x00B3, 0x00D3,
0x00F3, 0x000A, 0x001A, 0x002A, 0x003A, 0x004A, 0x005A, 0x006A,
0x007A, 0x0006, 0x000E, 0x0016, 0x001E, 0x0026, 0x002E, 0x0036,
0x003E, 0x0004, 0x0008, 0x000C, 0x0010, 0x0014, 0x0018, 0x001C,
0x0000, 0x001D, 0x0019, 0x0015, 0x0011, 0x000D, 0x0009, 0x0005,
0x003F, 0x0037, 0x002F, 0x0027, 0x001F, 0x0017, 0x000F, 0x0007,
0x007B, 0x006B, 0x005B, 0x004B, 0x003B, 0x002B, 0x001B, 0x000B,
0x0008, 0x00F0, 0x00D0, 0x00B0, 0x0090, 0x0070, 0x0050, 0x0030,
0x01E4, 0x01A5, 0x0165, 0x0125, 0x00E5, 0x00E2, 0x00A2, 0x0062,
0x03CA, 0x0347, 0x02C7, 0x02C4, 0x0244, 0x0149, 0x00C9, 0x00C6,
0x0796, 0x068B, 0x0688, 0x048D, 0x048A, 0x028F, 0x028C, 0x0091,
0x0F2E, 0x0D13, 0x0B15, 0x0917, 0x0719, 0x051B, 0x031D, 0x1E5F,
0x1E21,
};
static const uint8_t bitalloc_129_bits_a[129] =
{
11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8,
8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7,
7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4,
4, 4, 4, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7,
7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11,
11,
};
static const uint8_t bitalloc_129_bits_b[129] =
{
14, 13, 12, 12, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 9,
9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6,
6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5,
5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9,
9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 11, 11, 11, 12, 12, 12,
14,
};
static const uint8_t bitalloc_129_bits_c[129] =
{
13, 12, 11, 11, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9,
8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7,
7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6,
6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
8, 8, 9, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 11, 11, 11,
13,
};
static const uint8_t bitalloc_129_bits_d[129] =
{
16, 16, 16, 16, 16, 16, 15, 15, 15, 14, 14, 14, 14, 14, 13, 13,
13, 13, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 10,
10, 10, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7,
7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4,
4, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 7, 7,
7, 7, 7, 7, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 10,
10, 10, 10, 10, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 13,
13, 13, 13, 14, 14, 14, 14, 14, 15, 15, 15, 16, 16, 16, 16, 16,
16,
};
static const uint8_t bitalloc_129_bits_e[129] =
{
16, 16, 16, 16, 16, 16, 15, 15, 15, 14, 14, 14, 13, 13, 13, 12,
12, 12, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9,
8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6,
6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5,
5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6,
6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8,
8, 8, 9, 9, 9, 9, 9, 10, 10, 10, 10, 11, 11, 11, 11, 12,
12, 12, 13, 13, 13, 14, 14, 14, 15, 15, 15, 16, 16, 16, 16, 16,
16,
};
static const uint8_t bitalloc_129_bits_f[129] =
{
15, 14, 13, 12, 12, 12, 11, 11, 11, 10, 10, 10, 10, 10, 10, 9,
9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7,
7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6,
6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7,
7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9,
9, 9, 9, 10, 10, 10, 10, 10, 11, 11, 11, 12, 12, 12, 13, 13,
15,
};
static const uint8_t bitalloc_129_bits_g[129] =
{
13, 13, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11,
11, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9,
9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7,
7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5,
4, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6,
7, 7, 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8,
9, 9, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10,
11, 11, 11, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12, 13,
13,
};
static const uint8_t bitalloc_sizes[10] = { 3, 5, 7, 9, 13, 17, 25, 33, 65, 129 };
static const uint8_t bitalloc_offsets[10] =
{ -1, -2, -3, -4, -6, -8, -12, -16, -32, -64 };
static const uint8_t bitalloc_maxbits[10][7] = {
{ 2 },
{ 4, 3, 3 },
{ 5, 5, 4 },
{ 6, 5, 6 },
{ 7, 6, 5 },
{ 9, 8, 7, 9, 8, 8, 8 },
{ 9, 9, 8, 9, 8, 9, 9 },
{ 9, 9, 9, 9, 9, 9, 9 },
{ 9, 9, 9, 9, 9, 9, 9 },
{ 9, 9, 9, 9, 9, 9, 9 }
};
static const uint16_t* bitalloc_codes[10][8] = {
{ bitalloc_3_codes, NULL },
{ bitalloc_5_codes_a, bitalloc_5_codes_b, bitalloc_5_codes_c, NULL },
{ bitalloc_7_codes_a, bitalloc_7_codes_b, bitalloc_7_codes_c, NULL },
{ bitalloc_9_codes_a, bitalloc_9_codes_b, bitalloc_9_codes_c, NULL },
{ bitalloc_13_codes_a, bitalloc_13_codes_b, bitalloc_13_codes_c, NULL },
{ bitalloc_17_codes_a, bitalloc_17_codes_b, bitalloc_17_codes_c, bitalloc_17_codes_d,
bitalloc_17_codes_e, bitalloc_17_codes_f, bitalloc_17_codes_g, NULL },
{ bitalloc_25_codes_a, bitalloc_25_codes_b, bitalloc_25_codes_c, bitalloc_25_codes_d,
bitalloc_25_codes_e, bitalloc_25_codes_f, bitalloc_25_codes_g, NULL },
{ bitalloc_33_codes_a, bitalloc_33_codes_b, bitalloc_33_codes_c, bitalloc_33_codes_d,
bitalloc_33_codes_e, bitalloc_33_codes_f, bitalloc_33_codes_g, NULL },
{ bitalloc_65_codes_a, bitalloc_65_codes_b, bitalloc_65_codes_c, bitalloc_65_codes_d,
bitalloc_65_codes_e, bitalloc_65_codes_f, bitalloc_65_codes_g, NULL },
{ bitalloc_129_codes_a, bitalloc_129_codes_b, bitalloc_129_codes_c, bitalloc_129_codes_d,
bitalloc_129_codes_e, bitalloc_129_codes_f, bitalloc_129_codes_g, NULL }
};
static const uint8_t* bitalloc_bits[10][8] = {
{ bitalloc_3_bits, NULL },
{ bitalloc_5_bits_a, bitalloc_5_bits_b, bitalloc_5_bits_c, NULL },
{ bitalloc_7_bits_a, bitalloc_7_bits_b, bitalloc_7_bits_c, NULL },
{ bitalloc_9_bits_a, bitalloc_9_bits_b, bitalloc_9_bits_c, NULL },
{ bitalloc_13_bits_a, bitalloc_13_bits_b, bitalloc_13_bits_c, NULL },
{ bitalloc_17_bits_a, bitalloc_17_bits_b, bitalloc_17_bits_c, bitalloc_17_bits_d,
bitalloc_17_bits_e, bitalloc_17_bits_f, bitalloc_17_bits_g, NULL },
{ bitalloc_25_bits_a, bitalloc_25_bits_b, bitalloc_25_bits_c, bitalloc_25_bits_d,
bitalloc_25_bits_e, bitalloc_25_bits_f, bitalloc_25_bits_g, NULL },
{ bitalloc_33_bits_a, bitalloc_33_bits_b, bitalloc_33_bits_c, bitalloc_33_bits_d,
bitalloc_33_bits_e, bitalloc_33_bits_f, bitalloc_33_bits_g, NULL },
{ bitalloc_65_bits_a, bitalloc_65_bits_b, bitalloc_65_bits_c, bitalloc_65_bits_d,
bitalloc_65_bits_e, bitalloc_65_bits_f, bitalloc_65_bits_g, NULL },
{ bitalloc_129_bits_a, bitalloc_129_bits_b, bitalloc_129_bits_c, bitalloc_129_bits_d,
bitalloc_129_bits_e, bitalloc_129_bits_f, bitalloc_129_bits_g, NULL }
};
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