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authorSean Bartell <wingedtachikoma@gmail.com>2011-06-25 21:32:25 -0400
committerNils Wallménius <nils@rockbox.org>2012-04-25 22:13:20 +0200
commitf40bfc9267b13b54e6379dfe7539447662879d24 (patch)
tree9b20069d5e62809ff434061ad730096836f916f2 /lib/rbcodec/codecs/libcook
parenta0009907de7a0107d49040d8a180f140e2eff299 (diff)
downloadrockbox-f40bfc9267b13b54e6379dfe7539447662879d24.tar.gz
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Add codecs to librbcodec.
Change-Id: Id7f4717d51ed02d67cb9f9cb3c0ada4a81843f97 Reviewed-on: http://gerrit.rockbox.org/137 Reviewed-by: Nils Wallménius <nils@rockbox.org> Tested-by: Nils Wallménius <nils@rockbox.org>
Diffstat (limited to 'lib/rbcodec/codecs/libcook')
-rw-r--r--lib/rbcodec/codecs/libcook/README.rockbox47
-rw-r--r--lib/rbcodec/codecs/libcook/SOURCES2
-rw-r--r--lib/rbcodec/codecs/libcook/cook.c907
-rw-r--r--lib/rbcodec/codecs/libcook/cook.h131
-rw-r--r--lib/rbcodec/codecs/libcook/cook_fixpoint.h278
-rw-r--r--lib/rbcodec/codecs/libcook/cookdata.h493
-rw-r--r--lib/rbcodec/codecs/libcook/cookdata_fixpoint.h164
-rw-r--r--lib/rbcodec/codecs/libcook/libcook.make18
8 files changed, 2040 insertions, 0 deletions
diff --git a/lib/rbcodec/codecs/libcook/README.rockbox b/lib/rbcodec/codecs/libcook/README.rockbox
new file mode 100644
index 0000000000..ae72f2a2f2
--- /dev/null
+++ b/lib/rbcodec/codecs/libcook/README.rockbox
@@ -0,0 +1,47 @@
+Library: libcook
+Imported by : Mohamed Tarek
+
+These files comprise a rm parser and a cook decoder based on the decoder
+from ffmpeg.
+
+LICENSING INFORMATION
+
+ffmpeg is licensed under the Lesser GNU General Public License and the
+file cook.c is Copyright 2003 Sascha Sommer and 2005 Benjamin Larsson.
+
+IMPORT DETAILS
+
+The decoder is based on ffmpeg-svn r18079.
+
+CONVERSION TO FIXED-POINT
+
+A patch from ffmpeg's mailing list was used to convert the decoder to
+use fixed-point arithmetic. The patch was done by Ian Braithwaite, and
+discussed here :
+
+http://thread.gmane.org/gmane.comp.video.ffmpeg.devel/46024
+
+The patch is a bit dated (2007) so the modifications to cook.c had to
+be done manually. The patch was also applied to cookdata.h and was
+used to create cookdata_fixpoint.h, cook_fixpoint.h and
+cook_fixp_mdct.h.
+
+cook_fixp_mdct.h and parts from cookdata_fixpoint.h were dropped and
+rockbox's mdct library is now used in both the test program and the
+real codec.
+
+Note : Only parts of the patch were committed to ffmpeg's repository.
+
+TESTING
+
+The test program should compile in any Unix-like environment using the
+command "make -f Makefile.test".
+
+For ARM targets add -DCPU_ARM to CFLAGS in Makefile.test to make use of
+the asm ARM optimisations in rockbox's mdct library.
+
+For Big-endian targets, change -D"ROCKBOX_LITTLE_ENDIAN=1"
+to -D"ROCKBOX_BIG_ENDIAN=1" in Makefile.test.
+
+Running "./cooktest file.rm" will decode the audio data to a WAV file
+called "output.wav" in the current directory.
diff --git a/lib/rbcodec/codecs/libcook/SOURCES b/lib/rbcodec/codecs/libcook/SOURCES
new file mode 100644
index 0000000000..b656fdd2f7
--- /dev/null
+++ b/lib/rbcodec/codecs/libcook/SOURCES
@@ -0,0 +1,2 @@
+cook.c
+
diff --git a/lib/rbcodec/codecs/libcook/cook.c b/lib/rbcodec/codecs/libcook/cook.c
new file mode 100644
index 0000000000..29a1bab7d6
--- /dev/null
+++ b/lib/rbcodec/codecs/libcook/cook.c
@@ -0,0 +1,907 @@
+/*
+ * COOK compatible decoder
+ * Copyright (c) 2003 Sascha Sommer
+ * Copyright (c) 2005 Benjamin Larsson
+ *
+ * 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 cook.c
+ * Cook compatible decoder. Bastardization of the G.722.1 standard.
+ * This decoder handles RealNetworks, RealAudio G2 data.
+ * Cook is identified by the codec name cook in RM files.
+ *
+ * To use this decoder, a calling application must supply the extradata
+ * bytes provided from the RM container; 8+ bytes for mono streams and
+ * 16+ for stereo streams (maybe more).
+ *
+ * Codec technicalities (all this assume a buffer length of 1024):
+ * Cook works with several different techniques to achieve its compression.
+ * In the timedomain the buffer is divided into 8 pieces and quantized. If
+ * two neighboring pieces have different quantization index a smooth
+ * quantization curve is used to get a smooth overlap between the different
+ * pieces.
+ * To get to the transformdomain Cook uses a modulated lapped transform.
+ * The transform domain has 50 subbands with 20 elements each. This
+ * means only a maximum of 50*20=1000 coefficients are used out of the 1024
+ * available.
+ */
+
+#include <math.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <limits.h>
+#include <string.h>
+#include "codeclib.h"
+
+#include "cook.h"
+#include "cookdata.h"
+
+/* the different Cook versions */
+#define MONO 0x1000001
+#define STEREO 0x1000002
+#define JOINT_STEREO 0x1000003
+#define MC_COOK 0x2000000 //multichannel Cook, not supported
+
+#define SUBBAND_SIZE 20
+#define MAX_SUBPACKETS 5
+//#define COOKDEBUG
+#ifndef COOKDEBUG
+#undef DEBUGF
+#define DEBUGF(...)
+#endif
+
+/**
+ * Random bit stream generator.
+ */
+static inline int cook_random(COOKContext *q)
+{
+ q->random_state =
+ q->random_state * 214013 + 2531011; /* typical RNG numbers */
+
+ return (q->random_state/0x1000000)&1; /*>>31*/
+}
+#include "cook_fixpoint.h"
+
+/* debug functions */
+
+#ifdef COOKDEBUG
+static void dump_int_table(int* table, int size, int delimiter) {
+ int i=0;
+ DEBUGF("\n[%d]: ",i);
+ for (i=0 ; i<size ; i++) {
+ DEBUGF("%d, ", table[i]);
+ if ((i+1)%delimiter == 0) DEBUGF("\n[%d]: ",i+1);
+ }
+}
+
+static void dump_short_table(short* table, int size, int delimiter) {
+ int i=0;
+ DEBUGF("\n[%d]: ",i);
+ for (i=0 ; i<size ; i++) {
+ DEBUGF("%d, ", table[i]);
+ if ((i+1)%delimiter == 0) DEBUGF("\n[%d]: ",i+1);
+ }
+}
+
+#endif
+
+/*************** init functions ***************/
+/* Codebook sizes (11586 * 4 bytes in total) */
+/* Used for envelope_quant_index[]. */
+static VLC_TYPE vlcbuf00[ 520][2] IBSS_ATTR_COOK_LARGE_IRAM;
+static VLC_TYPE vlcbuf01[ 640][2] IBSS_ATTR_COOK_LARGE_IRAM;
+static VLC_TYPE vlcbuf02[ 544][2] IBSS_ATTR_COOK_LARGE_IRAM;
+static VLC_TYPE vlcbuf03[ 528][2] IBSS_ATTR_COOK_VLCBUF;
+static VLC_TYPE vlcbuf04[ 544][2] IBSS_ATTR_COOK_VLCBUF;
+static VLC_TYPE vlcbuf05[ 544][2] IBSS_ATTR_COOK_VLCBUF;
+static VLC_TYPE vlcbuf06[ 640][2] IBSS_ATTR_COOK_VLCBUF;
+static VLC_TYPE vlcbuf07[ 576][2] IBSS_ATTR_COOK_VLCBUF;
+static VLC_TYPE vlcbuf08[ 528][2] IBSS_ATTR_COOK_VLCBUF;
+static VLC_TYPE vlcbuf09[ 544][2] IBSS_ATTR_COOK_VLCBUF;
+static VLC_TYPE vlcbuf10[ 544][2] IBSS_ATTR_COOK_VLCBUF;
+static VLC_TYPE vlcbuf11[ 640][2] IBSS_ATTR_COOK_VLCBUF;
+static VLC_TYPE vlcbuf12[ 544][2] IBSS_ATTR_COOK_LARGE_IRAM;
+/* Used for sqvh[]. */
+static VLC_TYPE vlcbuf13[ 622][2] IBSS_ATTR_COOK_LARGE_IRAM;
+static VLC_TYPE vlcbuf14[ 308][2] IBSS_ATTR_COOK_LARGE_IRAM;
+static VLC_TYPE vlcbuf15[ 280][2] IBSS_ATTR_COOK_LARGE_IRAM;
+static VLC_TYPE vlcbuf16[1456][2] IBSS_ATTR_COOK_LARGE_IRAM;
+static VLC_TYPE vlcbuf17[ 694][2] IBSS_ATTR_COOK_LARGE_IRAM;
+static VLC_TYPE vlcbuf18[ 698][2] IBSS_ATTR_COOK_LARGE_IRAM;
+static VLC_TYPE vlcbuf19[ 104][2] IBSS_ATTR_COOK_LARGE_IRAM;
+/* Used for ccpl. */
+static VLC_TYPE vlcbuf20[ 88][2] IBSS_ATTR_COOK_VLCBUF;
+
+/* Code book sizes (11586 entries in total) */
+static int env_size[13] = {520,640,544, 528,544,544,640,576,528,544,544,640,544};
+static int sqvh_size[7] = {622,308,280,1456,694,698,104};
+static int ccpl_size = 88;
+
+
+static int init_cook_vlc_tables(COOKContext *q) {
+ int i, result = 0;
+
+ /* Set pointers for codebooks. */
+ q->envelope_quant_index[ 0].table = vlcbuf00;
+ q->envelope_quant_index[ 1].table = vlcbuf01;
+ q->envelope_quant_index[ 2].table = vlcbuf02;
+ q->envelope_quant_index[ 3].table = vlcbuf03;
+ q->envelope_quant_index[ 4].table = vlcbuf04;
+ q->envelope_quant_index[ 5].table = vlcbuf05;
+ q->envelope_quant_index[ 6].table = vlcbuf06;
+ q->envelope_quant_index[ 7].table = vlcbuf07;
+ q->envelope_quant_index[ 8].table = vlcbuf08;
+ q->envelope_quant_index[ 9].table = vlcbuf09;
+ q->envelope_quant_index[10].table = vlcbuf10;
+ q->envelope_quant_index[11].table = vlcbuf11;
+ q->envelope_quant_index[12].table = vlcbuf12;
+ q->sqvh[0].table = vlcbuf13;
+ q->sqvh[1].table = vlcbuf14;
+ q->sqvh[2].table = vlcbuf15;
+ q->sqvh[3].table = vlcbuf16;
+ q->sqvh[4].table = vlcbuf17;
+ q->sqvh[5].table = vlcbuf18;
+ q->sqvh[6].table = vlcbuf19;
+ q->ccpl.table = vlcbuf20;
+
+ /* Init envelope VLC (13 books) */
+ for (i=0 ; i<13 ; i++) {
+ q->envelope_quant_index[i].table_allocated = env_size[i];
+ result |= init_vlc (&q->envelope_quant_index[i], 9, 24,
+ envelope_quant_index_huffbits[i], 1, 1,
+ envelope_quant_index_huffcodes[i], 2, 2, INIT_VLC_USE_NEW_STATIC);
+ }
+
+ /* Init subband VLC (7 books) */
+ for (i=0 ; i<7 ; i++) {
+ q->sqvh[i].table_allocated = sqvh_size[i];
+ result |= init_vlc (&q->sqvh[i], vhvlcsize_tab[i], vhsize_tab[i],
+ cvh_huffbits[i], 1, 1,
+ cvh_huffcodes[i], 2, 2, INIT_VLC_USE_NEW_STATIC);
+ }
+
+ /* Init Joint-Stereo VLC (1 book) */
+ if (q->nb_channels==2 && q->joint_stereo==1){
+ q->ccpl.table_allocated = ccpl_size;
+ result |= init_vlc (&q->ccpl, 6, (1<<q->js_vlc_bits)-1,
+ ccpl_huffbits[q->js_vlc_bits-2], 1, 1,
+ ccpl_huffcodes[q->js_vlc_bits-2], 2, 2, INIT_VLC_USE_NEW_STATIC);
+ DEBUGF("Joint-stereo VLC used.\n");
+ }
+
+ DEBUGF("VLC tables initialized. Result = %d\n",result);
+ return result;
+}
+/*************** init functions end ***********/
+
+/**
+ * Cook indata decoding, every 32 bits are XORed with 0x37c511f2.
+ * Why? No idea, some checksum/error detection method maybe.
+ *
+ * Out buffer size: extra bytes are needed to cope with
+ * padding/misalignment.
+ * Subpackets passed to the decoder can contain two, consecutive
+ * half-subpackets, of identical but arbitrary size.
+ * 1234 1234 1234 1234 extraA extraB
+ * Case 1: AAAA BBBB 0 0
+ * Case 2: AAAA ABBB BB-- 3 3
+ * Case 3: AAAA AABB BBBB 2 2
+ * Case 4: AAAA AAAB BBBB BB-- 1 5
+ *
+ * Nice way to waste CPU cycles.
+ *
+ * @param inbuffer pointer to byte array of indata
+ * @param out pointer to byte array of outdata
+ * @param bytes number of bytes
+ */
+#define DECODE_BYTES_PAD1(bytes) (3 - ((bytes)+3) % 4)
+#define DECODE_BYTES_PAD2(bytes) ((bytes) % 4 + DECODE_BYTES_PAD1(2 * (bytes)))
+
+static inline int decode_bytes(const uint8_t* inbuffer, uint8_t* out, int bytes){
+ int i, off;
+ uint32_t c;
+ const uint32_t* buf;
+ uint32_t* obuf = (uint32_t*) out;
+ /* FIXME: 64 bit platforms would be able to do 64 bits at a time.
+ * I'm too lazy though, should be something like
+ * for(i=0 ; i<bitamount/64 ; i++)
+ * (int64_t)out[i] = 0x37c511f237c511f2^be2me_64(int64_t)in[i]);
+ * Buffer alignment needs to be checked. */
+
+ off = (intptr_t)inbuffer & 3;
+ buf = (const uint32_t*) (inbuffer - off);
+ c = be2me_32((0x37c511f2 >> (off*8)) | (0x37c511f2 << (32-(off*8))));
+ bytes += 3 + off;
+ for (i = 0; i < bytes/4; i++)
+ obuf[i] = c ^ buf[i];
+
+ return off;
+}
+
+/**
+ * Fill the gain array for the timedomain quantization.
+ *
+ * @param q pointer to the COOKContext
+ * @param gaininfo[9] array of gain indexes
+ */
+
+static void decode_gain_info(GetBitContext *gb, int *gaininfo)
+{
+ int i, n;
+
+ while (get_bits1(gb)) {}
+ n = get_bits_count(gb) - 1; //amount of elements*2 to update
+
+ i = 0;
+ while (n--) {
+ int index = get_bits(gb, 3);
+ int gain = get_bits1(gb) ? (int)get_bits(gb, 4) - 7 : -1;
+
+ while (i <= index) gaininfo[i++] = gain;
+ }
+ while (i <= 8) gaininfo[i++] = 0;
+}
+
+/**
+ * Create the quant index table needed for the envelope.
+ *
+ * @param q pointer to the COOKContext
+ * @param quant_index_table pointer to the array
+ */
+
+static void decode_envelope(COOKContext *q, int* quant_index_table) {
+ int i,j, vlc_index;
+
+ quant_index_table[0]= get_bits(&q->gb,6) - 6; //This is used later in categorize
+
+ for (i=1 ; i < q->total_subbands ; i++){
+ vlc_index=i;
+ if (i >= q->js_subband_start * 2) {
+ vlc_index-=q->js_subband_start;
+ } else {
+ vlc_index/=2;
+ if(vlc_index < 1) vlc_index = 1;
+ }
+ if (vlc_index>13) vlc_index = 13; //the VLC tables >13 are identical to No. 13
+
+ j = get_vlc2(&q->gb, q->envelope_quant_index[vlc_index-1].table,
+ q->envelope_quant_index[vlc_index-1].bits,2);
+ quant_index_table[i] = quant_index_table[i-1] + j - 12; //differential encoding
+ }
+}
+
+/**
+ * Calculate the category and category_index vector.
+ *
+ * @param q pointer to the COOKContext
+ * @param quant_index_table pointer to the array
+ * @param category pointer to the category array
+ * @param category_index pointer to the category_index array
+ */
+
+static void categorize(COOKContext *q, int* quant_index_table,
+ int* category, int* category_index){
+ int exp_idx, bias, tmpbias1, tmpbias2, bits_left, num_bits, index, v, i, j;
+ int exp_index2[102];
+ int exp_index1[102];
+
+ int tmp_categorize_array[128*2];
+ int tmp_categorize_array1_idx=q->numvector_size;
+ int tmp_categorize_array2_idx=q->numvector_size;
+
+ bits_left = q->bits_per_subpacket - get_bits_count(&q->gb);
+
+ if(bits_left > q->samples_per_channel) {
+ bits_left = q->samples_per_channel +
+ ((bits_left - q->samples_per_channel)*5)/8;
+ //av_log(q->avctx, AV_LOG_ERROR, "bits_left = %d\n",bits_left);
+ }
+
+ memset(&exp_index1,0,102*sizeof(int));
+ memset(&exp_index2,0,102*sizeof(int));
+ memset(&tmp_categorize_array,0,128*2*sizeof(int));
+
+ bias=-32;
+
+ /* Estimate bias. */
+ for (i=32 ; i>0 ; i=i/2){
+ num_bits = 0;
+ index = 0;
+ for (j=q->total_subbands ; j>0 ; j--){
+ exp_idx = av_clip((i - quant_index_table[index] + bias) / 2, 0, 7);
+ index++;
+ num_bits+=expbits_tab[exp_idx];
+ }
+ if(num_bits >= bits_left - 32){
+ bias+=i;
+ }
+ }
+
+ /* Calculate total number of bits. */
+ num_bits=0;
+ for (i=0 ; i<q->total_subbands ; i++) {
+ exp_idx = av_clip((bias - quant_index_table[i]) / 2, 0, 7);
+ num_bits += expbits_tab[exp_idx];
+ exp_index1[i] = exp_idx;
+ exp_index2[i] = exp_idx;
+ }
+ tmpbias1 = tmpbias2 = num_bits;
+
+ for (j = 1 ; j < q->numvector_size ; j++) {
+ if (tmpbias1 + tmpbias2 > 2*bits_left) { /* ---> */
+ int max = -999999;
+ index=-1;
+ for (i=0 ; i<q->total_subbands ; i++){
+ if (exp_index1[i] < 7) {
+ v = (-2*exp_index1[i]) - quant_index_table[i] + bias;
+ if ( v >= max) {
+ max = v;
+ index = i;
+ }
+ }
+ }
+ if(index==-1)break;
+ tmp_categorize_array[tmp_categorize_array1_idx++] = index;
+ tmpbias1 -= expbits_tab[exp_index1[index]] -
+ expbits_tab[exp_index1[index]+1];
+ ++exp_index1[index];
+ } else { /* <--- */
+ int min = 999999;
+ index=-1;
+ for (i=0 ; i<q->total_subbands ; i++){
+ if(exp_index2[i] > 0){
+ v = (-2*exp_index2[i])-quant_index_table[i]+bias;
+ if ( v < min) {
+ min = v;
+ index = i;
+ }
+ }
+ }
+ if(index == -1)break;
+ tmp_categorize_array[--tmp_categorize_array2_idx] = index;
+ tmpbias2 -= expbits_tab[exp_index2[index]] -
+ expbits_tab[exp_index2[index]-1];
+ --exp_index2[index];
+ }
+ }
+ memcpy(category, exp_index2, sizeof(int) * q->total_subbands );
+ memcpy(category_index, tmp_categorize_array+tmp_categorize_array2_idx, sizeof(int) * (q->numvector_size-1) );
+}
+
+
+/**
+ * Expand the category vector.
+ *
+ * @param q pointer to the COOKContext
+ * @param category pointer to the category array
+ * @param category_index pointer to the category_index array
+ */
+
+static inline void expand_category(COOKContext *q, int* category,
+ int* category_index){
+ int i;
+ for(i=0 ; i<q->num_vectors ; i++){
+ ++category[category_index[i]];
+ }
+}
+
+/**
+ * Unpack the subband_coef_index and subband_coef_sign vectors.
+ *
+ * @param q pointer to the COOKContext
+ * @param category pointer to the category array
+ * @param subband_coef_index array of indexes to quant_centroid_tab
+ * @param subband_coef_sign signs of coefficients
+ */
+
+static int unpack_SQVH(COOKContext *q, int category, int* subband_coef_index,
+ int* subband_coef_sign) {
+ int i,j;
+ int vlc, vd ,tmp, result;
+
+ vd = vd_tab[category];
+ result = 0;
+ for(i=0 ; i<vpr_tab[category] ; i++)
+ {
+ vlc = get_vlc2(&q->gb, q->sqvh[category].table, q->sqvh[category].bits, 3);
+ if (q->bits_per_subpacket < get_bits_count(&q->gb))
+ {
+ vlc = 0;
+ result = 1;
+ memset(subband_coef_index, 0, sizeof(int)*vd);
+ memset(subband_coef_sign, 0, sizeof(int)*vd);
+ subband_coef_index+=vd;
+ subband_coef_sign+=vd;
+ }
+ else
+ {
+ for(j=vd-1 ; j>=0 ; j--){
+ tmp = (vlc * invradix_tab[category])/0x100000;
+ subband_coef_index[j] = vlc - tmp * (kmax_tab[category]+1);
+ vlc = tmp;
+ }
+
+ for(j=0 ; j<vd ; j++)
+ {
+ if (*subband_coef_index++) {
+ if(get_bits_count(&q->gb) < q->bits_per_subpacket) {
+ *subband_coef_sign++ = get_bits1(&q->gb);
+ } else {
+ result=1;
+ *subband_coef_sign++=0;
+ }
+ } else {
+ *subband_coef_sign++=0;
+ }
+ }
+ }
+ }
+ return result;
+}
+
+
+/**
+ * Fill the mlt_buffer with mlt coefficients.
+ *
+ * @param q pointer to the COOKContext
+ * @param category pointer to the category array
+ * @param quant_index_table pointer to the array
+ * @param mlt_buffer pointer to mlt coefficients
+ */
+
+static void decode_vectors(COOKContext* q, int* category,
+ int *quant_index_table, REAL_T* mlt_buffer)
+ ICODE_ATTR_COOK_DECODE;
+static void decode_vectors(COOKContext* q, int* category,
+ int *quant_index_table, REAL_T* mlt_buffer){
+ /* A zero in this table means that the subband coefficient is
+ random noise coded. */
+ int subband_coef_index[SUBBAND_SIZE];
+ /* A zero in this table means that the subband coefficient is a
+ positive multiplicator. */
+ int subband_coef_sign[SUBBAND_SIZE];
+ int band, j;
+ int index=0;
+
+ for(band=0 ; band<q->total_subbands ; band++){
+ index = category[band];
+ if(category[band] < 7){
+ if(unpack_SQVH(q, category[band], subband_coef_index, subband_coef_sign)){
+ index=7;
+ for(j=0 ; j<q->total_subbands ; j++) category[band+j]=7;
+ }
+ }
+ if(index>=7) {
+ memset(subband_coef_index, 0, sizeof(subband_coef_index));
+ memset(subband_coef_sign, 0, sizeof(subband_coef_sign));
+ }
+ scalar_dequant_math(q, index, quant_index_table[band],
+ subband_coef_index, subband_coef_sign,
+ &mlt_buffer[band * SUBBAND_SIZE]);
+ }
+
+ if(q->total_subbands*SUBBAND_SIZE >= q->samples_per_channel){
+ return;
+ } /* FIXME: should this be removed, or moved into loop above? */
+}
+
+
+/**
+ * function for decoding mono data
+ *
+ * @param q pointer to the COOKContext
+ * @param mlt_buffer pointer to mlt coefficients
+ */
+
+static void mono_decode(COOKContext *q, REAL_T* mlt_buffer) ICODE_ATTR_COOK_DECODE;
+static void mono_decode(COOKContext *q, REAL_T* mlt_buffer) {
+
+ int category_index[128];
+ int quant_index_table[102];
+ int category[128];
+
+ memset(&category, 0, 128*sizeof(int));
+ memset(&category_index, 0, 128*sizeof(int));
+
+ decode_envelope(q, quant_index_table);
+ q->num_vectors = get_bits(&q->gb,q->log2_numvector_size);
+ categorize(q, quant_index_table, category, category_index);
+ expand_category(q, category, category_index);
+ decode_vectors(q, category, quant_index_table, mlt_buffer);
+}
+
+/**
+ * function for getting the jointstereo coupling information
+ *
+ * @param q pointer to the COOKContext
+ * @param decouple_tab decoupling array
+ *
+ */
+
+static void decouple_info(COOKContext *q, int* decouple_tab){
+ int length, i;
+
+ if(get_bits1(&q->gb)) {
+ if(cplband[q->js_subband_start] > cplband[q->subbands-1]) return;
+
+ length = cplband[q->subbands-1] - cplband[q->js_subband_start] + 1;
+ for (i=0 ; i<length ; i++) {
+ decouple_tab[cplband[q->js_subband_start] + i] = get_vlc2(&q->gb, q->ccpl.table, q->ccpl.bits, 2);
+ }
+ return;
+ }
+
+ if(cplband[q->js_subband_start] > cplband[q->subbands-1]) return;
+
+ length = cplband[q->subbands-1] - cplband[q->js_subband_start] + 1;
+ for (i=0 ; i<length ; i++) {
+ decouple_tab[cplband[q->js_subband_start] + i] = get_bits(&q->gb, q->js_vlc_bits);
+ }
+ return;
+}
+
+/**
+ * function for decoding joint stereo data
+ *
+ * @param q pointer to the COOKContext
+ * @param mlt_buffer1 pointer to left channel mlt coefficients
+ * @param mlt_buffer2 pointer to right channel mlt coefficients
+ */
+
+static void joint_decode(COOKContext *q, REAL_T* mlt_buffer1,
+ REAL_T* mlt_buffer2) {
+ int i;
+ int decouple_tab[SUBBAND_SIZE];
+ REAL_T *decode_buffer = q->decode_buffer_0;
+ int idx;
+
+ memset(decouple_tab, 0, sizeof(decouple_tab));
+ memset(decode_buffer, 0, sizeof(q->decode_buffer_0));
+
+ /* Make sure the buffers are zeroed out. */
+ memset(mlt_buffer1,0, 1024*sizeof(REAL_T));
+ memset(mlt_buffer2,0, 1024*sizeof(REAL_T));
+ decouple_info(q, decouple_tab);
+ mono_decode(q, decode_buffer);
+
+ /* The two channels are stored interleaved in decode_buffer. */
+ REAL_T * mlt_buffer1_end = mlt_buffer1 + (q->js_subband_start*SUBBAND_SIZE);
+ while(mlt_buffer1 < mlt_buffer1_end)
+ {
+ memcpy(mlt_buffer1,decode_buffer,sizeof(REAL_T)*SUBBAND_SIZE);
+ memcpy(mlt_buffer2,decode_buffer+20,sizeof(REAL_T)*SUBBAND_SIZE);
+ mlt_buffer1 += 20;
+ mlt_buffer2 += 20;
+ decode_buffer += 40;
+ }
+
+ /* When we reach js_subband_start (the higher frequencies)
+ the coefficients are stored in a coupling scheme. */
+ idx = (1 << q->js_vlc_bits) - 1;
+ for (i=q->js_subband_start ; i<q->subbands ; i++) {
+ int i1 = decouple_tab[cplband[i]];
+ int i2 = idx - i1 - 1;
+ mlt_buffer1_end = mlt_buffer1 + SUBBAND_SIZE;
+ while(mlt_buffer1 < mlt_buffer1_end)
+ {
+ *mlt_buffer1++ = cplscale_math(*decode_buffer, q->js_vlc_bits, i1);
+ *mlt_buffer2++ = cplscale_math(*decode_buffer++, q->js_vlc_bits, i2);
+ }
+ mlt_buffer1 += (20-SUBBAND_SIZE);
+ mlt_buffer2 += (20-SUBBAND_SIZE);
+ decode_buffer += (20-SUBBAND_SIZE);
+ }
+}
+
+/**
+ * First part of subpacket decoding:
+ * decode raw stream bytes and read gain info.
+ *
+ * @param q pointer to the COOKContext
+ * @param inbuffer pointer to raw stream data
+ * @param gain_ptr array of current/prev gain pointers
+ */
+
+#define FFSWAP(type,a,b) do{type SWAP_tmp= b; b= a; a= SWAP_tmp;}while(0)
+
+static inline void
+decode_bytes_and_gain(COOKContext *q, const uint8_t *inbuffer,
+ cook_gains *gains_ptr)
+{
+ int offset;
+
+ offset = decode_bytes(inbuffer, q->decoded_bytes_buffer,
+ q->bits_per_subpacket/8);
+ init_get_bits(&q->gb, q->decoded_bytes_buffer + offset,
+ q->bits_per_subpacket);
+ decode_gain_info(&q->gb, gains_ptr->now);
+
+ /* Swap current and previous gains */
+ FFSWAP(int *, gains_ptr->now, gains_ptr->previous);
+}
+
+/**
+ * Final part of subpacket decoding:
+ * Apply modulated lapped transform, gain compensation,
+ * clip and convert to integer.
+ *
+ * @param q pointer to the COOKContext
+ * @param decode_buffer pointer to the mlt coefficients
+ * @param gain_ptr array of current/prev gain pointers
+ * @param previous_buffer pointer to the previous buffer to be used for overlapping
+ * @param out pointer to the output buffer
+ * @param chan 0: left or single channel, 1: right channel
+ */
+
+static void
+mlt_compensate_output(COOKContext *q, REAL_T *decode_buffer,
+ cook_gains *gains, REAL_T *previous_buffer,
+ int32_t *out, int chan)
+{
+ REAL_T *buffer = q->mono_mdct_output;
+ int i;
+ imlt_math(q, decode_buffer);
+
+ /* Overlap with the previous block. */
+ overlap_math(q, gains->previous[0], previous_buffer);
+
+ /* Apply gain profile */
+ for (i = 0; i < 8; i++) {
+ if (gains->now[i] || gains->now[i + 1])
+ interpolate_math(q, &buffer[q->samples_per_channel/8 * i],
+ gains->now[i], gains->now[i + 1]);
+ }
+
+ /* Save away the current to be previous block. */
+ memcpy(previous_buffer, buffer+q->samples_per_channel,
+ sizeof(REAL_T)*q->samples_per_channel);
+
+ /* Copy output to non-interleaved sample buffer */
+ memcpy(out + (chan * q->samples_per_channel), buffer,
+ sizeof(REAL_T)*q->samples_per_channel);
+}
+
+
+/**
+ * Cook subpacket decoding. This function returns one decoded subpacket,
+ * usually 1024 samples per channel.
+ *
+ * @param q pointer to the COOKContext
+ * @param inbuffer pointer to the inbuffer
+ * @param sub_packet_size subpacket size
+ * @param outbuffer pointer to the outbuffer
+ */
+
+
+static int decode_subpacket(COOKContext *q, const uint8_t *inbuffer,
+ int sub_packet_size, int32_t *outbuffer) {
+ /* packet dump */
+// for (i=0 ; i<sub_packet_size ; i++) {
+// DEBUGF("%02x", inbuffer[i]);
+// }
+// DEBUGF("\n");
+
+ decode_bytes_and_gain(q, inbuffer, &q->gains1);
+
+ if (q->joint_stereo) {
+ joint_decode(q, q->decode_buffer_1, q->decode_buffer_2);
+ } else {
+ mono_decode(q, q->decode_buffer_1);
+
+ if (q->nb_channels == 2) {
+ decode_bytes_and_gain(q, inbuffer + sub_packet_size/2, &q->gains2);
+ mono_decode(q, q->decode_buffer_2);
+ }
+ }
+
+ mlt_compensate_output(q, q->decode_buffer_1, &q->gains1,
+ q->mono_previous_buffer1, outbuffer, 0);
+
+ if (q->nb_channels == 2) {
+ if (q->joint_stereo) {
+ mlt_compensate_output(q, q->decode_buffer_2, &q->gains1,
+ q->mono_previous_buffer2, outbuffer, 1);
+ } else {
+ mlt_compensate_output(q, q->decode_buffer_2, &q->gains2,
+ q->mono_previous_buffer2, outbuffer, 1);
+ }
+ }
+ return q->samples_per_frame * sizeof(int32_t);
+}
+
+
+/**
+ * Cook frame decoding
+ *
+ * @param rmctx pointer to the RMContext
+ */
+
+int cook_decode_frame(RMContext *rmctx,COOKContext *q,
+ int32_t *outbuffer, int *data_size,
+ const uint8_t *inbuffer, int buf_size) {
+ //COOKContext *q = avctx->priv_data;
+ //COOKContext *q;
+
+ if (buf_size < rmctx->block_align)
+ return buf_size;
+
+ *data_size = decode_subpacket(q, inbuffer, rmctx->block_align, outbuffer);
+
+ /* Discard the first two frames: no valid audio. */
+ if (rmctx->frame_number < 2) *data_size = 0;
+
+ return rmctx->block_align;
+}
+
+#ifdef COOKDEBUG
+static void dump_cook_context(COOKContext *q)
+{
+ //int i=0;
+#define PRINT(a,b) DEBUGF(" %s = %d\n", a, b);
+ DEBUGF("COOKextradata\n");
+ DEBUGF("cookversion=%x\n",q->cookversion);
+ if (q->cookversion > STEREO) {
+ PRINT("js_subband_start",q->js_subband_start);
+ PRINT("js_vlc_bits",q->js_vlc_bits);
+ }
+ PRINT("nb_channels",q->nb_channels);
+ PRINT("bit_rate",q->bit_rate);
+ PRINT("sample_rate",q->sample_rate);
+ PRINT("samples_per_channel",q->samples_per_channel);
+ PRINT("samples_per_frame",q->samples_per_frame);
+ PRINT("subbands",q->subbands);
+ PRINT("random_state",q->random_state);
+ PRINT("js_subband_start",q->js_subband_start);
+ PRINT("log2_numvector_size",q->log2_numvector_size);
+ PRINT("numvector_size",q->numvector_size);
+ PRINT("total_subbands",q->total_subbands);
+}
+#endif
+
+/**
+ * Cook initialization
+ */
+
+int cook_decode_init(RMContext *rmctx, COOKContext *q)
+{
+#if defined(CPU_COLDFIRE)
+ coldfire_set_macsr(EMAC_FRACTIONAL | EMAC_SATURATE);
+#endif
+ /* cook extradata */
+ q->cookversion = rm_get_uint32be(rmctx->codec_extradata);
+ q->samples_per_frame = rm_get_uint16be(&rmctx->codec_extradata[4]);
+ q->subbands = rm_get_uint16be(&rmctx->codec_extradata[6]);
+ q->extradata_size = rmctx->extradata_size;
+ if (q->extradata_size >= 16){
+ q->js_subband_start = rm_get_uint16be(&rmctx->codec_extradata[12]);
+ q->js_vlc_bits = rm_get_uint16be(&rmctx->codec_extradata[14]);
+ }
+
+ /* Take data from the RMContext (RM container). */
+ q->sample_rate = rmctx->sample_rate;
+ q->nb_channels = rmctx->nb_channels;
+ q->bit_rate = rmctx->bit_rate;
+
+ /* Initialize RNG. */
+ q->random_state = 0;
+
+ /* Initialize extradata related variables. */
+ q->samples_per_channel = q->samples_per_frame >> (q->nb_channels-1);
+ q->bits_per_subpacket = rmctx->block_align * 8;
+
+ /* Initialize default data states. */
+ q->log2_numvector_size = 5;
+ q->total_subbands = q->subbands;
+
+ /* Initialize version-dependent variables */
+ DEBUGF("q->cookversion=%x\n",q->cookversion);
+ q->joint_stereo = 0;
+ switch (q->cookversion) {
+ case MONO:
+ if (q->nb_channels != 1) {
+ DEBUGF("Container channels != 1, report sample!\n");
+ return -1;
+ }
+ DEBUGF("MONO\n");
+ break;
+ case STEREO:
+ if (q->nb_channels != 1) {
+ q->bits_per_subpacket = q->bits_per_subpacket/2;
+ }
+ DEBUGF("STEREO\n");
+ break;
+ case JOINT_STEREO:
+ if (q->nb_channels != 2) {
+ DEBUGF("Container channels != 2, report sample!\n");
+ return -1;
+ }
+ DEBUGF("JOINT_STEREO\n");
+ if (q->extradata_size >= 16){
+ q->total_subbands = q->subbands + q->js_subband_start;
+ q->joint_stereo = 1;
+ }
+ if (q->samples_per_channel > 256) {
+ q->log2_numvector_size = 6;
+ }
+ if (q->samples_per_channel > 512) {
+ q->log2_numvector_size = 7;
+ }
+ break;
+ case MC_COOK:
+ DEBUGF("MC_COOK not supported!\n");
+ return -1;
+ break;
+ default:
+ DEBUGF("Unknown Cook version, report sample!\n");
+ return -1;
+ break;
+ }
+
+ /* Initialize variable relations */
+ q->numvector_size = (1 << q->log2_numvector_size);
+ q->mdct_nbits = av_log2(q->samples_per_channel)+1;
+
+ /* Generate tables */
+ if (init_cook_vlc_tables(q) != 0)
+ return -1;
+
+
+ if(rmctx->block_align >= UINT16_MAX/2)
+ return -1;
+
+ q->gains1.now = q->gain_1;
+ q->gains1.previous = q->gain_2;
+ q->gains2.now = q->gain_3;
+ q->gains2.previous = q->gain_4;
+
+
+ /* Initialize COOK signal arithmetic handling */
+ /*
+ if (1) {
+ q->scalar_dequant = scalar_dequant_math;
+ q->interpolate = interpolate_math;
+ }
+ */
+
+ /* Try to catch some obviously faulty streams, othervise it might be exploitable */
+ if (q->total_subbands > 53) {
+ DEBUGF("total_subbands > 53, report sample!\n");
+ return -1;
+ }
+ if (q->subbands > 50) {
+ DEBUGF("subbands > 50, report sample!\n");
+ return -1;
+ }
+ if ((q->samples_per_channel == 256) || (q->samples_per_channel == 512) || (q->samples_per_channel == 1024)) {
+ } else {
+ DEBUGF("unknown amount of samples_per_channel = %d, report sample!\n",q->samples_per_channel);
+ return -1;
+ }
+ if ((q->js_vlc_bits > 6) || (q->js_vlc_bits < 0)) {
+ DEBUGF("q->js_vlc_bits = %d, only >= 0 and <= 6 allowed!\n",q->js_vlc_bits);
+ return -1;
+ }
+
+
+#ifdef COOKDEBUG
+ dump_cook_context(q);
+#endif
+ return 0;
+}
+
diff --git a/lib/rbcodec/codecs/libcook/cook.h b/lib/rbcodec/codecs/libcook/cook.h
new file mode 100644
index 0000000000..fcb437a0e1
--- /dev/null
+++ b/lib/rbcodec/codecs/libcook/cook.h
@@ -0,0 +1,131 @@
+/*
+ * COOK compatible decoder
+ * Copyright (c) 2003 Sascha Sommer
+ * Copyright (c) 2005 Benjamin Larsson
+ *
+ * This file is taken from 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
+ */
+#ifndef _COOK_H
+#define _COOK_H
+
+#include <inttypes.h>
+#include "ffmpeg_get_bits.h"
+#include "../librm/rm.h"
+#include "cookdata_fixpoint.h"
+
+#include "codeclib.h"
+
+#if (CONFIG_CPU == PP5022) || (CONFIG_CPU == PP5024) || (CONFIG_CPU == MCF5250)
+/* PP5022/24, MCF5250 have large IRAM */
+#define IBSS_ATTR_COOK_LARGE_IRAM IBSS_ATTR
+#define ICODE_ATTR_COOK_LARGE_IRAM ICODE_ATTR
+#define ICONST_ATTR_COOK_LARGE_IRAM ICONST_ATTR
+#define IBSS_ATTR_COOK_VLCBUF
+#define ICODE_ATTR_COOK_DECODE
+
+#elif defined(CPU_S5L870X)
+/* S5L870X have even larger IRAM and it is faster to use ICODE_ATTR. */
+#define IBSS_ATTR_COOK_LARGE_IRAM IBSS_ATTR
+#define ICODE_ATTR_COOK_LARGE_IRAM ICODE_ATTR
+#define ICONST_ATTR_COOK_LARGE_IRAM ICONST_ATTR
+#define IBSS_ATTR_COOK_VLCBUF IBSS_ATTR
+#define ICODE_ATTR_COOK_DECODE ICODE_ATTR
+
+#else
+/* other CPUs IRAM is not large enough */
+#define IBSS_ATTR_COOK_LARGE_IRAM
+#define ICODE_ATTR_COOK_LARGE_IRAM
+#define ICONST_ATTR_COOK_LARGE_IRAM
+#define IBSS_ATTR_COOK_VLCBUF
+#define ICODE_ATTR_COOK_DECODE
+
+#endif
+
+typedef struct {
+ int *now;
+ int *previous;
+} cook_gains;
+
+typedef struct cook {
+ /*
+ * The following 2 functions provide the lowlevel arithmetic on
+ * the internal audio buffers.
+ */
+ void (* scalar_dequant)(struct cook *q, int index, int quant_index,
+ int* subband_coef_index, int* subband_coef_sign,
+ REAL_T* mlt_p);
+
+ void (* interpolate) (struct cook *q, REAL_T* buffer,
+ int gain_index, int gain_index_next);
+
+ GetBitContext gb;
+ int frame_number;
+ int block_align;
+ int extradata_size;
+ /* stream data */
+ int nb_channels;
+ int joint_stereo;
+ int bit_rate;
+ int sample_rate;
+ int samples_per_channel;
+ int samples_per_frame;
+ int subbands;
+ int log2_numvector_size;
+ int numvector_size; //1 << log2_numvector_size;
+ int js_subband_start;
+ int total_subbands;
+ int num_vectors;
+ int bits_per_subpacket;
+ int cookversion;
+ int mdct_nbits; /* is this the same as one of above? */
+ /* states */
+ int random_state;
+
+ /* gain buffers */
+ cook_gains gains1;
+ cook_gains gains2;
+ int gain_1[9];
+ int gain_2[9];
+ int gain_3[9];
+ int gain_4[9];
+
+ /* VLC data */
+ int js_vlc_bits;
+ VLC envelope_quant_index[13];
+ VLC sqvh[7]; //scalar quantization
+ VLC ccpl; //channel coupling
+
+ /* generatable tables and related variables */
+ int gain_size_factor;
+
+ /* data buffers */
+
+ uint8_t decoded_bytes_buffer[1024] MEM_ALIGN_ATTR;
+ REAL_T mono_mdct_output[2048] MEM_ALIGN_ATTR;
+ REAL_T mono_previous_buffer1[1024] MEM_ALIGN_ATTR;
+ REAL_T mono_previous_buffer2[1024] MEM_ALIGN_ATTR;
+ REAL_T decode_buffer_1[1024] MEM_ALIGN_ATTR;
+ REAL_T decode_buffer_2[1024] MEM_ALIGN_ATTR;
+ /* static allocation for joint decode */
+ REAL_T decode_buffer_0[1060] MEM_ALIGN_ATTR;
+} COOKContext;
+
+int cook_decode_init(RMContext *rmctx, COOKContext *q);
+int cook_decode_frame(RMContext *rmctx,COOKContext *q,
+ int32_t *outbuffer, int *data_size,
+ const uint8_t *inbuffer, int buf_size);
+#endif /*_COOK_H */
diff --git a/lib/rbcodec/codecs/libcook/cook_fixpoint.h b/lib/rbcodec/codecs/libcook/cook_fixpoint.h
new file mode 100644
index 0000000000..5c4a5d1a5a
--- /dev/null
+++ b/lib/rbcodec/codecs/libcook/cook_fixpoint.h
@@ -0,0 +1,278 @@
+/*
+ * COOK compatible decoder, fixed point implementation.
+ * Copyright (c) 2007 Ian Braithwaite
+ *
+ * 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 cook_fixpoint.h
+ *
+ * Cook AKA RealAudio G2 fixed point functions.
+ *
+ * Fixed point values are represented as 32 bit signed integers,
+ * which can be added and subtracted directly in C (without checks for
+ * overflow/saturation.
+ * Two multiplication routines are provided:
+ * 1) Multiplication by powers of two (2^-31 .. 2^31), implemented
+ * with C's bit shift operations.
+ * 2) Multiplication by 16 bit fractions (0 <= x < 1), implemented
+ * in C using two 32 bit integer multiplications.
+ */
+
+#ifdef ROCKBOX
+/* get definitions of MULT31, MULT31_SHIFT16, vect_add, from codelib */
+#include "codeclib_misc.h"
+#include "codeclib.h"
+#endif
+
+/* cplscales was moved from cookdata_fixpoint.h since only *
+ * cook_fixpoint.h should see/use it. */
+static const FIXPU* cplscales[5] = {
+ cplscale2, cplscale3, cplscale4, cplscale5, cplscale6
+};
+
+/**
+ * Fixed point multiply by power of two.
+ *
+ * @param x fix point value
+ * @param i integer power-of-two, -31..+31
+ */
+static inline FIXP fixp_pow2(FIXP x, int i)
+{
+ if (i < 0)
+ return (x >> -i);
+ else
+ return x << i; /* no check for overflow */
+}
+
+/**
+ * Fixed point multiply by fraction.
+ *
+ * @param a fix point value
+ * @param b fix point fraction, 0 <= b < 1
+ */
+#ifdef ROCKBOX
+#define fixp_mult_su(x,y) (MULT31_SHIFT16(x,y))
+#else
+static inline FIXP fixp_mult_su(FIXP a, FIXPU b)
+{
+ int32_t hb = (a >> 16) * b;
+ uint32_t lb = (a & 0xffff) * b;
+
+ return hb + (lb >> 16) + ((lb & 0x8000) >> 15);
+}
+#endif
+
+/* Faster version of the above using 32x32=64 bit multiply */
+#ifdef ROCKBOX
+#define fixmul31(x,y) (MULT31(x,y))
+#else
+static inline int32_t fixmul31(int32_t x, int32_t y)
+{
+ int64_t temp;
+
+ temp = x;
+ temp *= y;
+
+ temp >>= 31; //16+31-16 = 31 bits
+
+ return (int32_t)temp;
+}
+#endif
+
+/**
+ * Clips a signed integer value into the amin-amax range.
+ * @param a value to clip
+ * @param amin minimum value of the clip range
+ * @param amax maximum value of the clip range
+ * @return clipped value
+ */
+static inline int av_clip(int a, int amin, int amax)
+{
+ if (a < amin) return amin;
+ else if (a > amax) return amax;
+ else return a;
+}
+
+/**
+ * The real requantization of the mltcoefs
+ *
+ * @param q pointer to the COOKContext
+ * @param index index
+ * @param quant_index quantisation index for this band
+ * @param subband_coef_index array of indexes to quant_centroid_tab
+ * @param subband_coef_sign use random noise instead of predetermined value
+ * @param mlt_ptr pointer to the mlt coefficients
+ */
+
+static void scalar_dequant_math(COOKContext *q, int index,
+ int quant_index, int* subband_coef_index,
+ int* subband_coef_sign, REAL_T *mlt_p)
+ ICODE_ATTR_COOK_DECODE;
+static void scalar_dequant_math(COOKContext *q, int index,
+ int quant_index, int* subband_coef_index,
+ int* subband_coef_sign, REAL_T *mlt_p)
+{
+ /* Num. half bits to right shift */
+ const int s = 33 - quant_index + av_log2(q->samples_per_channel);
+ const FIXP *table = quant_tables[s & 1][index];
+ FIXP f;
+ int i;
+
+
+ if(s >= 64)
+ memset(mlt_p, 0, sizeof(REAL_T)*SUBBAND_SIZE);
+ else
+ {
+ for(i=0 ; i<SUBBAND_SIZE ; i++) {
+ f = (table[subband_coef_index[i]]) >> (s >> 1);
+ /* noise coding if subband_coef_index[i] == 0 */
+ if (((subband_coef_index[i] == 0) && cook_random(q)) ||
+ ((subband_coef_index[i] != 0) && subband_coef_sign[i]))
+ f = -f;
+
+ *mlt_p++ = f;
+ }
+ }
+}
+
+/**
+ * The modulated lapped transform, this takes transform coefficients
+ * and transforms them into timedomain samples.
+ * A window step is also included.
+ *
+ * @param q pointer to the COOKContext
+ * @param inbuffer pointer to the mltcoefficients
+ * @param outbuffer pointer to the timedomain buffer
+ * @param mlt_tmp pointer to temporary storage space
+ */
+#include "../lib/mdct_lookup.h"
+
+void imlt_math(COOKContext *q, FIXP *in) ICODE_ATTR;
+void imlt_math(COOKContext *q, FIXP *in)
+{
+ const int n = q->samples_per_channel;
+ const int step = 2 << (10 - av_log2(n));
+ REAL_T *mdct_out = q->mono_mdct_output;
+ REAL_T tmp;
+ int i = 0, j = 0;
+
+ ff_imdct_calc(q->mdct_nbits, q->mono_mdct_output, in);
+
+ do {
+ tmp = mdct_out[i];
+ mdct_out[i ] = fixmul31(-mdct_out[n+i], (sincos_lookup0[j ]));
+ mdct_out[n+i] = fixmul31(tmp , (sincos_lookup0[j+1]));
+
+ j += step;
+ } while (++i < n/2);
+
+ do {
+ j -= step;
+
+ tmp = mdct_out[i];
+ mdct_out[i ] = fixmul31(-mdct_out[n+i], (sincos_lookup0[j+1]));
+ mdct_out[n+i] = fixmul31(tmp , (sincos_lookup0[j ]));
+ } while (++i < n);
+}
+
+/**
+ * Perform buffer overlapping.
+ *
+ * @param q pointer to the COOKContext
+ * @param gain gain correction to apply first to output buffer
+ * @param buffer data to overlap
+ */
+void overlap_math(COOKContext *q, int gain, FIXP buffer[]) ICODE_ATTR;
+void overlap_math(COOKContext *q, int gain, FIXP buffer[])
+{
+ int i;
+#ifdef ROCKBOX
+ if(LIKELY(gain == 0))
+ {
+ vect_add(q->mono_mdct_output, buffer, q->samples_per_channel);
+
+ } else if (gain > 0){
+ for(i=0 ; i<q->samples_per_channel ; i++) {
+ q->mono_mdct_output[i] = (q->mono_mdct_output[i]<< gain) + buffer[i]; }
+
+ } else {
+ for(i=0 ; i<q->samples_per_channel ; i++) {
+ q->mono_mdct_output[i] = (q->mono_mdct_output[i]>>-gain) + buffer[i];
+ }
+ }
+#else
+ for(i=0 ; i<q->samples_per_channel ; i++) {
+ q->mono_mdct_output[i] =
+ fixp_pow2(q->mono_mdct_output[i], gain) + buffer[i];
+ }
+#endif
+}
+
+
+/**
+ * the actual requantization of the timedomain samples
+ *
+ * @param q pointer to the COOKContext
+ * @param buffer pointer to the timedomain buffer
+ * @param gain_index index for the block multiplier
+ * @param gain_index_next index for the next block multiplier
+ */
+static inline void
+interpolate_math(COOKContext *q, register FIXP* buffer,
+ int gain_index, int gain_index_next)
+{
+ int i;
+ int gain_size_factor = q->samples_per_channel / 8;
+
+ if(gain_index == gain_index_next){ //static gain
+ for(i = 0; i < gain_size_factor; i++) {
+ buffer[i] = fixp_pow2(buffer[i], gain_index);
+ }
+ } else { //smooth gain
+ int step = (gain_index_next - gain_index)
+ << (7 - av_log2(gain_size_factor));
+ int x = 0;
+ register FIXP* bufferend = buffer+gain_size_factor;
+ while(buffer < bufferend )
+ {
+ *buffer = fixp_pow2(
+ fixp_mult_su(*buffer, pow128_tab[x]),
+ gain_index+1);
+ buffer++;
+
+ x += step;
+ gain_index += ( (x + 128) >> 7 ) - 1;
+ x = ( (x + 128) & 127 );
+ }
+ }
+}
+
+
+/**
+ * Decoupling calculation for joint stereo coefficients.
+ *
+ * @param x mono coefficient
+ * @param table number of decoupling table
+ * @param i table index
+ */
+static inline FIXP cplscale_math(FIXP x, int table, int i)
+{
+ return fixp_mult_su(x, cplscales[table-2][i]);
+}
diff --git a/lib/rbcodec/codecs/libcook/cookdata.h b/lib/rbcodec/codecs/libcook/cookdata.h
new file mode 100644
index 0000000000..a73b96c5f5
--- /dev/null
+++ b/lib/rbcodec/codecs/libcook/cookdata.h
@@ -0,0 +1,493 @@
+/*
+ * COOK compatible decoder data
+ * Copyright (c) 2003 Sascha Sommer
+ * Copyright (c) 2005 Benjamin Larsson
+ *
+ * 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 cookdata.h
+ * Cook AKA RealAudio G2 compatible decoderdata
+ */
+
+/* various data tables */
+
+static const int expbits_tab[8] = {
+ 52,47,43,37,29,22,16,0,
+};
+
+static const int invradix_tab[7] = {
+ 74899, 104858, 149797, 209716, 262144, 349526, 524288,
+};
+
+static const int kmax_tab[7] = {
+ 13, 9, 6, 4, 3, 2, 1,
+};
+
+static const int vd_tab[7] = {
+ 2, 2, 2, 4, 4, 5, 5,
+};
+
+static const int vpr_tab[7] = {
+ 10, 10, 10, 5, 5, 4, 4,
+};
+
+
+
+/* VLC data */
+
+static const int vhsize_tab[7] = {
+ 191, 97, 48, 607, 246, 230, 32,
+};
+
+static const int vhvlcsize_tab[7] = {
+ 8, 7, 7, 10, 9, 9, 6,
+};
+
+static const uint8_t envelope_quant_index_huffbits[13][24] = {
+ { 4, 6, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 4, 5, 7, 8, 9, 11, 11, 12, 12, 12, 12 },
+ { 10, 8, 6, 5, 5, 4, 3, 3, 3, 3, 3, 3, 4, 5, 7, 9, 11, 12, 13, 15, 15, 15, 16, 16 },
+ { 12, 10, 8, 6, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 4, 4, 5, 5, 7, 9, 11, 13, 14, 14 },
+ { 13, 10, 9, 9, 7, 7, 5, 5, 4, 3, 3, 3, 3, 3, 4, 4, 4, 5, 7, 9, 11, 13, 13, 13 },
+ { 12, 13, 10, 8, 6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 3, 4, 5, 5, 6, 7, 9, 11, 14, 14 },
+ { 12, 11, 9, 8, 8, 7, 5, 4, 4, 3, 3, 3, 3, 3, 4, 4, 5, 5, 7, 8, 10, 13, 14, 14 },
+ { 15, 16, 15, 12, 10, 8, 6, 5, 4, 3, 3, 3, 2, 3, 4, 5, 5, 7, 9, 11, 13, 16, 16, 16 },
+ { 14, 14, 11, 10, 9, 7, 7, 5, 5, 4, 3, 3, 2, 3, 3, 4, 5, 7, 9, 9, 12, 14, 15, 15 },
+ { 9, 9, 9, 8, 7, 6, 5, 4, 3, 3, 3, 3, 3, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 13 },
+ { 14, 12, 10, 8, 6, 6, 5, 4, 3, 3, 3, 3, 3, 3, 4, 5, 6, 8, 8, 9, 11, 14, 14, 14 },
+ { 13, 10, 9, 8, 6, 6, 5, 4, 4, 4, 3, 3, 2, 3, 4, 5, 6, 8, 9, 9, 11, 12, 14, 14 },
+ { 16, 13, 12, 11, 9, 6, 5, 5, 4, 4, 4, 3, 2, 3, 3, 4, 5, 7, 8, 10, 14, 16, 16, 16 },
+ { 13, 14, 14, 14, 10, 8, 7, 7, 5, 4, 3, 3, 2, 3, 3, 4, 5, 5, 7, 9, 11, 14, 14, 14 },
+};
+
+static const uint16_t envelope_quant_index_huffcodes[13][24] = {
+ {0x0006, 0x003e, 0x001c, 0x001d, 0x0007, 0x0008, 0x0009, 0x000a, 0x000b, 0x000c, 0x0000, 0x0001,
+ 0x0002, 0x000d, 0x001e, 0x007e, 0x00fe, 0x01fe, 0x07fc, 0x07fd, 0x0ffc, 0x0ffd, 0x0ffe, 0x0fff},
+ {0x03fe, 0x00fe, 0x003e, 0x001c, 0x001d, 0x000c, 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005,
+ 0x000d, 0x001e, 0x007e, 0x01fe, 0x07fe, 0x0ffe, 0x1ffe, 0x7ffc, 0x7ffd, 0x7ffe, 0xfffe, 0xffff},
+ {0x0ffe, 0x03fe, 0x00fe, 0x003e, 0x001c, 0x0006, 0x0007, 0x0008, 0x0009, 0x000a, 0x000b, 0x0000,
+ 0x0001, 0x0002, 0x000c, 0x000d, 0x001d, 0x001e, 0x007e, 0x01fe, 0x07fe, 0x1ffe, 0x3ffe, 0x3fff},
+ {0x1ffc, 0x03fe, 0x01fc, 0x01fd, 0x007c, 0x007d, 0x001c, 0x001d, 0x000a, 0x0000, 0x0001, 0x0002,
+ 0x0003, 0x0004, 0x000b, 0x000c, 0x000d, 0x001e, 0x007e, 0x01fe, 0x07fe, 0x1ffd, 0x1ffe, 0x1fff},
+ {0x0ffe, 0x1ffe, 0x03fe, 0x00fe, 0x003c, 0x003d, 0x001a, 0x001b, 0x000a, 0x000b, 0x0000, 0x0001,
+ 0x0002, 0x0003, 0x0004, 0x000c, 0x001c, 0x001d, 0x003e, 0x007e, 0x01fe, 0x07fe, 0x3ffe, 0x3fff},
+ {0x0ffe, 0x07fe, 0x01fe, 0x00fc, 0x00fd, 0x007c, 0x001c, 0x000a, 0x000b, 0x0000, 0x0001, 0x0002,
+ 0x0003, 0x0004, 0x000c, 0x000d, 0x001d, 0x001e, 0x007d, 0x00fe, 0x03fe, 0x1ffe, 0x3ffe, 0x3fff},
+ {0x7ffc, 0xfffc, 0x7ffd, 0x0ffe, 0x03fe, 0x00fe, 0x003e, 0x001c, 0x000c, 0x0002, 0x0003, 0x0004,
+ 0x0000, 0x0005, 0x000d, 0x001d, 0x001e, 0x007e, 0x01fe, 0x07fe, 0x1ffe, 0xfffd, 0xfffe, 0xffff},
+ {0x3ffc, 0x3ffd, 0x07fe, 0x03fe, 0x01fc, 0x007c, 0x007d, 0x001c, 0x001d, 0x000c, 0x0002, 0x0003,
+ 0x0000, 0x0004, 0x0005, 0x000d, 0x001e, 0x007e, 0x01fd, 0x01fe, 0x0ffe, 0x3ffe, 0x7ffe, 0x7fff},
+ {0x01fc, 0x01fd, 0x01fe, 0x00fc, 0x007c, 0x003c, 0x001c, 0x000c, 0x0000, 0x0001, 0x0002, 0x0003,
+ 0x0004, 0x0005, 0x000d, 0x001d, 0x003d, 0x007d, 0x00fd, 0x03fe, 0x07fe, 0x0ffe, 0x1ffe, 0x1fff},
+ {0x3ffc, 0x0ffe, 0x03fe, 0x00fc, 0x003c, 0x003d, 0x001c, 0x000c, 0x0000, 0x0001, 0x0002, 0x0003,
+ 0x0004, 0x0005, 0x000d, 0x001d, 0x003e, 0x00fd, 0x00fe, 0x01fe, 0x07fe, 0x3ffd, 0x3ffe, 0x3fff},
+ {0x1ffe, 0x03fe, 0x01fc, 0x00fc, 0x003c, 0x003d, 0x001c, 0x000a, 0x000b, 0x000c, 0x0002, 0x0003,
+ 0x0000, 0x0004, 0x000d, 0x001d, 0x003e, 0x00fd, 0x01fd, 0x01fe, 0x07fe, 0x0ffe, 0x3ffe, 0x3fff},
+ {0xfffc, 0x1ffe, 0x0ffe, 0x07fe, 0x01fe, 0x003e, 0x001c, 0x001d, 0x000a, 0x000b, 0x000c, 0x0002,
+ 0x0000, 0x0003, 0x0004, 0x000d, 0x001e, 0x007e, 0x00fe, 0x03fe, 0x3ffe, 0xfffd, 0xfffe, 0xffff},
+ {0x1ffc, 0x3ffa, 0x3ffb, 0x3ffc, 0x03fe, 0x00fe, 0x007c, 0x007d, 0x001c, 0x000c, 0x0002, 0x0003,
+ 0x0000, 0x0004, 0x0005, 0x000d, 0x001d, 0x001e, 0x007e, 0x01fe, 0x07fe, 0x3ffd, 0x3ffe, 0x3fff},
+};
+
+
+static const uint8_t cvh_huffbits0[191] = {
+ 1, 4, 6, 6, 7, 7, 8, 8, 8, 9, 9, 10,
+ 11, 11, 4, 5, 6, 7, 7, 8, 8, 9, 9, 9,
+ 9, 10, 11, 11, 5, 6, 7, 8, 8, 9, 9, 9,
+ 9, 10, 10, 10, 11, 12, 6, 7, 8, 9, 9, 9,
+ 9, 10, 10, 10, 10, 11, 12, 13, 7, 7, 8, 9,
+ 9, 9, 10, 10, 10, 10, 11, 11, 12, 13, 8, 8,
+ 9, 9, 9, 10, 10, 10, 10, 11, 11, 12, 13, 14,
+ 8, 8, 9, 9, 10, 10, 11, 11, 11, 12, 12, 13,
+ 13, 15, 8, 8, 9, 9, 10, 10, 11, 11, 11, 12,
+ 12, 13, 14, 15, 9, 9, 9, 10, 10, 10, 11, 11,
+ 12, 13, 12, 14, 15, 16, 9, 9, 10, 10, 10, 10,
+ 11, 12, 12, 14, 14, 16, 16, 0, 9, 9, 10, 10,
+ 11, 11, 12, 13, 13, 14, 14, 15, 0, 0, 10, 10,
+ 10, 11, 11, 12, 12, 13, 15, 15, 16, 0, 0, 0,
+ 11, 11, 11, 12, 13, 13, 13, 15, 16, 16, 0, 0,
+ 0, 0, 11, 11, 12, 13, 13, 14, 15, 16, 16,
+};
+
+static const uint16_t cvh_huffcodes0[191] = {
+ 0x0000,0x0008,0x002c,0x002d,0x0062,0x0063,0x00d4,0x00d5,0x00d6,0x01c6,0x01c7,0x03ca,
+ 0x07d6,0x07d7,0x0009,0x0014,0x002e,0x0064,0x0065,0x00d7,0x00d8,0x01c8,0x01c9,0x01ca,
+ 0x01cb,0x03cb,0x07d8,0x07d9,0x0015,0x002f,0x0066,0x00d9,0x00da,0x01cc,0x01cd,0x01ce,
+ 0x01cf,0x03cc,0x03cd,0x03ce,0x07da,0x0fe4,0x0030,0x0067,0x00db,0x01d0,0x01d1,0x01d2,
+ 0x01d3,0x03cf,0x03d0,0x03d1,0x03d2,0x07db,0x0fe5,0x1fea,0x0068,0x0069,0x00dc,0x01d4,
+ 0x01d5,0x01d6,0x03d3,0x03d4,0x03d5,0x03d6,0x07dc,0x07dd,0x0fe6,0x1feb,0x00dd,0x00de,
+ 0x01d7,0x01d8,0x01d9,0x03d7,0x03d8,0x03d9,0x03da,0x07de,0x07df,0x0fe7,0x1fec,0x3ff2,
+ 0x00df,0x00e0,0x01da,0x01db,0x03db,0x03dc,0x07e0,0x07e1,0x07e2,0x0fe8,0x0fe9,0x1fed,
+ 0x1fee,0x7ff4,0x00e1,0x00e2,0x01dc,0x01dd,0x03dd,0x03de,0x07e3,0x07e4,0x07e5,0x0fea,
+ 0x0feb,0x1fef,0x3ff3,0x7ff5,0x01de,0x01df,0x01e0,0x03df,0x03e0,0x03e1,0x07e6,0x07e7,
+ 0x0fec,0x1ff0,0x0fed,0x3ff4,0x7ff6,0xfff8,0x01e1,0x01e2,0x03e2,0x03e3,0x03e4,0x03e5,
+ 0x07e8,0x0fee,0x0fef,0x3ff5,0x3ff6,0xfff9,0xfffa,0xfffa,0x01e3,0x01e4,0x03e6,0x03e7,
+ 0x07e9,0x07ea,0x0ff0,0x1ff1,0x1ff2,0x3ff7,0x3ff8,0x7ff7,0x7ff7,0xfffa,0x03e8,0x03e9,
+ 0x03ea,0x07eb,0x07ec,0x0ff1,0x0ff2,0x1ff3,0x7ff8,0x7ff9,0xfffb,0x3ff8,0x7ff7,0x7ff7,
+ 0x07ed,0x07ee,0x07ef,0x0ff3,0x1ff4,0x1ff5,0x1ff6,0x7ffa,0xfffc,0xfffd,0xfffb,0xfffb,
+ 0x3ff8,0x7ff7,0x07f0,0x07f1,0x0ff4,0x1ff7,0x1ff8,0x3ff9,0x7ffb,0xfffe,0xffff,
+};
+
+
+static const uint8_t cvh_huffbits1[97] = {
+ 1, 4, 5, 6, 7, 8, 8, 9, 10, 10, 4, 5,
+ 6, 7, 7, 8, 8, 9, 9, 11, 5, 5, 6, 7,
+ 8, 8, 9, 9, 10, 11, 6, 6, 7, 8, 8, 9,
+ 9, 10, 11, 12, 7, 7, 8, 8, 9, 9, 10, 11,
+ 11, 13, 8, 8, 8, 9, 9, 10, 10, 11, 12, 14,
+ 8, 8, 8, 9, 10, 11, 11, 12, 13, 15, 9, 9,
+ 9, 10, 11, 12, 12, 14, 14, 0, 9, 9, 9, 10,
+ 11, 12, 14, 16, 0, 0, 10, 10, 11, 12, 13, 14,
+ 16,
+};
+
+
+static const uint16_t cvh_huffcodes1[97] = {
+ 0x0000,0x0008,0x0014,0x0030,0x006a,0x00e2,0x00e3,0x01e4,0x03ec,0x03ed,0x0009,0x0015,
+ 0x0031,0x006b,0x006c,0x00e4,0x00e5,0x01e5,0x01e6,0x07f0,0x0016,0x0017,0x0032,0x006d,
+ 0x00e6,0x00e7,0x01e7,0x01e8,0x03ee,0x07f1,0x0033,0x0034,0x006e,0x00e8,0x00e9,0x01e9,
+ 0x01ea,0x03ef,0x07f2,0x0ff6,0x006f,0x0070,0x00ea,0x00eb,0x01eb,0x01ec,0x03f0,0x07f3,
+ 0x07f4,0x1ffa,0x00ec,0x00ed,0x00ee,0x01ed,0x01ee,0x03f1,0x03f2,0x07f5,0x0ff7,0x3ffa,
+ 0x00ef,0x00f0,0x00f1,0x01ef,0x03f3,0x07f6,0x07f7,0x0ff8,0x1ffb,0x7ffe,0x01f0,0x01f1,
+ 0x01f2,0x03f4,0x07f8,0x0ff9,0x0ffa,0x3ffb,0x3ffc,0x0000,0x01f3,0x01f4,0x01f5,0x03f5,
+ 0x07f9,0x0ffb,0x3ffd,0xfffe,0x0000,0x0000,0x03f6,0x03f7,0x07fa,0x0ffc,0x1ffc,0x3ffe,
+ 0xffff,
+};
+
+static const uint8_t cvh_huffbits2[48] = {
+ 1, 4, 5, 7, 8, 9, 10, 3, 4, 5, 7, 8,
+ 9, 10, 5, 5, 6, 7, 8, 10, 10, 7, 6, 7,
+ 8, 9, 10, 12, 8, 8, 8, 9, 10, 12, 14, 8,
+ 9, 9, 10, 11, 15, 16, 9, 10, 11, 12, 13, 16,
+};
+
+static const uint16_t cvh_huffcodes2[48] = {
+ 0x0000,0x000a,0x0018,0x0074,0x00f2,0x01f4,0x03f6,0x0004,0x000b,0x0019,0x0075,0x00f3,
+ 0x01f5,0x03f7,0x001a,0x001b,0x0038,0x0076,0x00f4,0x03f8,0x03f9,0x0077,0x0039,0x0078,
+ 0x00f5,0x01f6,0x03fa,0x0ffc,0x00f6,0x00f7,0x00f8,0x01f7,0x03fb,0x0ffd,0x3ffe,0x00f9,
+ 0x01f8,0x01f9,0x03fc,0x07fc,0x7ffe,0xfffe,0x01fa,0x03fd,0x07fd,0x0ffe,0x1ffe,0xffff,
+};
+
+static const uint8_t cvh_huffbits3[607] = {
+ 2, 4, 6, 8, 10, 5, 5, 6, 8, 10, 7, 8,
+ 8, 10, 12, 9, 9, 10, 12, 15, 10, 11, 13, 16,
+ 16, 5, 6, 8, 10, 11, 5, 6, 8, 10, 12, 7,
+ 7, 8, 10, 13, 9, 9, 10, 12, 15, 12, 11, 13,
+ 16, 16, 7, 9, 10, 12, 15, 7, 8, 10, 12, 13,
+ 9, 9, 11, 13, 16, 11, 11, 12, 14, 16, 12, 12,
+ 14, 16, 0, 9, 11, 12, 16, 16, 9, 10, 13, 15,
+ 16, 10, 11, 12, 16, 16, 13, 13, 16, 16, 16, 16,
+ 16, 15, 16, 0, 11, 13, 16, 16, 15, 11, 13, 15,
+ 16, 16, 13, 13, 16, 16, 0, 14, 16, 16, 16, 0,
+ 16, 16, 0, 0, 0, 4, 6, 8, 10, 13, 6, 6,
+ 8, 10, 13, 9, 8, 10, 12, 16, 10, 10, 11, 15,
+ 16, 13, 12, 14, 16, 16, 5, 6, 8, 11, 13, 6,
+ 6, 8, 10, 13, 8, 8, 9, 11, 14, 10, 10, 12,
+ 12, 16, 13, 12, 13, 15, 16, 7, 8, 9, 12, 16,
+ 7, 8, 10, 12, 14, 9, 9, 10, 13, 16, 11, 10,
+ 12, 15, 16, 13, 13, 16, 16, 0, 9, 11, 13, 16,
+ 16, 9, 10, 12, 15, 16, 10, 11, 13, 16, 16, 13,
+ 12, 16, 16, 16, 16, 16, 16, 16, 0, 11, 13, 16,
+ 16, 16, 11, 13, 16, 16, 16, 12, 13, 15, 16, 0,
+ 16, 16, 16, 16, 0, 16, 16, 0, 0, 0, 6, 8,
+ 11, 13, 16, 8, 8, 10, 12, 16, 11, 10, 11, 13,
+ 16, 12, 13, 13, 15, 16, 16, 16, 14, 16, 0, 6,
+ 8, 10, 13, 16, 8, 8, 10, 12, 16, 10, 10, 11,
+ 13, 16, 13, 12, 13, 16, 16, 14, 14, 14, 16, 0,
+ 8, 9, 11, 13, 16, 8, 9, 11, 16, 14, 10, 10,
+ 12, 15, 16, 12, 12, 13, 16, 16, 15, 16, 16, 16,
+ 0, 10, 12, 15, 16, 16, 10, 12, 12, 14, 16, 12,
+ 12, 13, 16, 16, 14, 15, 16, 16, 0, 16, 16, 16,
+ 0, 0, 12, 15, 15, 16, 0, 13, 13, 16, 16, 0,
+ 14, 16, 16, 16, 0, 16, 16, 16, 0, 0, 0, 0,
+ 0, 0, 0, 8, 10, 13, 15, 16, 10, 11, 13, 16,
+ 16, 13, 13, 14, 16, 16, 16, 16, 16, 16, 16, 16,
+ 16, 16, 16, 0, 8, 10, 11, 15, 16, 9, 10, 12,
+ 16, 16, 12, 12, 15, 16, 16, 16, 14, 16, 16, 16,
+ 16, 16, 16, 16, 0, 9, 11, 14, 16, 16, 10, 11,
+ 13, 16, 16, 14, 13, 14, 16, 16, 16, 15, 15, 16,
+ 0, 16, 16, 16, 0, 0, 11, 13, 16, 16, 16, 11,
+ 13, 15, 16, 16, 13, 16, 16, 16, 0, 16, 16, 16,
+ 16, 0, 16, 16, 0, 0, 0, 15, 16, 16, 16, 0,
+ 14, 16, 16, 16, 0, 16, 16, 16, 0, 0, 16, 16,
+ 0, 0, 0, 0, 0, 0, 0, 0, 9, 13, 16, 16,
+ 16, 11, 13, 16, 16, 16, 14, 15, 16, 16, 0, 15,
+ 16, 16, 16, 0, 16, 16, 0, 0, 0, 9, 13, 15,
+ 15, 16, 12, 13, 14, 16, 16, 16, 15, 16, 16, 0,
+ 16, 16, 16, 16, 0, 16, 16, 0, 0, 0, 11, 13,
+ 15, 16, 0, 12, 14, 16, 16, 0, 16, 16, 16, 16,
+ 0, 16, 16, 16, 0, 0, 0, 0, 0, 0, 0, 16,
+ 16, 16, 16, 0, 16, 16, 16, 16, 0, 16, 16, 16,
+ 0, 0, 16, 16, 0, 0, 0, 0, 0, 0, 0, 0,
+ 16, 16, 0, 0, 0, 16, 16,
+};
+
+
+static const uint16_t cvh_huffcodes3[607] = {
+ 0x0000,0x0004,0x0022,0x00c6,0x03b0,0x000c,0x000d,0x0023,0x00c7,0x03b1,0x005c,0x00c8,
+ 0x00c9,0x03b2,0x0fa4,0x01c2,0x01c3,0x03b3,0x0fa5,0x7f72,0x03b4,0x07b2,0x1f9a,0xff24,
+ 0xff25,0x000e,0x0024,0x00ca,0x03b5,0x07b3,0x000f,0x0025,0x00cb,0x03b6,0x0fa6,0x005d,
+ 0x005e,0x00cc,0x03b7,0x1f9b,0x01c4,0x01c5,0x03b8,0x0fa7,0x7f73,0x0fa8,0x07b4,0x1f9c,
+ 0xff26,0xff27,0x005f,0x01c6,0x03b9,0x0fa9,0x7f74,0x0060,0x00cd,0x03ba,0x0faa,0x1f9d,
+ 0x01c7,0x01c8,0x07b5,0x1f9e,0xff28,0x07b6,0x07b7,0x0fab,0x3fa2,0xff29,0x0fac,0x0fad,
+ 0x3fa3,0xff2a,0x3fa2,0x01c9,0x07b8,0x0fae,0xff2b,0xff2c,0x01ca,0x03bb,0x1f9f,0x7f75,
+ 0xff2d,0x03bc,0x07b9,0x0faf,0xff2e,0xff2f,0x1fa0,0x1fa1,0xff30,0xff31,0xff32,0xff33,
+ 0xff34,0x7f76,0xff35,0xff31,0x07ba,0x1fa2,0xff36,0xff37,0x7f77,0x07bb,0x1fa3,0x7f78,
+ 0xff38,0xff39,0x1fa4,0x1fa5,0xff3a,0xff3b,0xff2e,0x3fa4,0xff3c,0xff3d,0xff3e,0xff31,
+ 0xff3f,0xff40,0xff30,0xff31,0xff31,0x0005,0x0026,0x00ce,0x03bd,0x1fa6,0x0027,0x0028,
+ 0x00cf,0x03be,0x1fa7,0x01cb,0x00d0,0x03bf,0x0fb0,0xff41,0x03c0,0x03c1,0x07bc,0x7f79,
+ 0xff42,0x1fa8,0x0fb1,0x3fa5,0xff43,0xff44,0x0010,0x0029,0x00d1,0x07bd,0x1fa9,0x002a,
+ 0x002b,0x00d2,0x03c2,0x1faa,0x00d3,0x00d4,0x01cc,0x07be,0x3fa6,0x03c3,0x03c4,0x0fb2,
+ 0x0fb3,0xff45,0x1fab,0x0fb4,0x1fac,0x7f7a,0xff46,0x0061,0x00d5,0x01cd,0x0fb5,0xff47,
+ 0x0062,0x00d6,0x03c5,0x0fb6,0x3fa7,0x01ce,0x01cf,0x03c6,0x1fad,0xff48,0x07bf,0x03c7,
+ 0x0fb7,0x7f7b,0xff49,0x1fae,0x1faf,0xff4a,0xff4b,0x7f7b,0x01d0,0x07c0,0x1fb0,0xff4c,
+ 0xff4d,0x01d1,0x03c8,0x0fb8,0x7f7c,0xff4e,0x03c9,0x07c1,0x1fb1,0xff4f,0xff50,0x1fb2,
+ 0x0fb9,0xff51,0xff52,0xff53,0xff54,0xff55,0xff56,0xff57,0xff52,0x07c2,0x1fb3,0xff58,
+ 0xff59,0xff5a,0x07c3,0x1fb4,0xff5b,0xff5c,0xff5d,0x0fba,0x1fb5,0x7f7d,0xff5e,0xff4f,
+ 0xff5f,0xff60,0xff61,0xff62,0xff52,0xff63,0xff64,0xff51,0xff52,0xff52,0x002c,0x00d7,
+ 0x07c4,0x1fb6,0xff65,0x00d8,0x00d9,0x03ca,0x0fbb,0xff66,0x07c5,0x03cb,0x07c6,0x1fb7,
+ 0xff67,0x0fbc,0x1fb8,0x1fb9,0x7f7e,0xff68,0xff69,0xff6a,0x3fa8,0xff6b,0x7f7e,0x002d,
+ 0x00da,0x03cc,0x1fba,0xff6c,0x00db,0x00dc,0x03cd,0x0fbd,0xff6d,0x03ce,0x03cf,0x07c7,
+ 0x1fbb,0xff6e,0x1fbc,0x0fbe,0x1fbd,0xff6f,0xff70,0x3fa9,0x3faa,0x3fab,0xff71,0xff6f,
+ 0x00dd,0x01d2,0x07c8,0x1fbe,0xff72,0x00de,0x01d3,0x07c9,0xff73,0x3fac,0x03d0,0x03d1,
+ 0x0fbf,0x7f7f,0xff74,0x0fc0,0x0fc1,0x1fbf,0xff75,0xff76,0x7f80,0xff77,0xff78,0xff79,
+ 0xff75,0x03d2,0x0fc2,0x7f81,0xff7a,0xff7b,0x03d3,0x0fc3,0x0fc4,0x3fad,0xff7c,0x0fc5,
+ 0x0fc6,0x1fc0,0xff7d,0xff7e,0x3fae,0x7f82,0xff7f,0xff80,0xff80,0xff81,0xff82,0xff83,
+ 0xff80,0xff80,0x0fc7,0x7f83,0x7f84,0xff84,0xff7a,0x1fc1,0x1fc2,0xff85,0xff86,0x3fad,
+ 0x3faf,0xff87,0xff88,0xff89,0xff7d,0xff8a,0xff8b,0xff8c,0xff80,0xff80,0x3fae,0x7f82,
+ 0xff7f,0xff80,0xff80,0x00df,0x03d4,0x1fc3,0x7f85,0xff8d,0x03d5,0x07ca,0x1fc4,0xff8e,
+ 0xff8f,0x1fc5,0x1fc6,0x3fb0,0xff90,0xff91,0xff92,0xff93,0xff94,0xff95,0xff96,0xff97,
+ 0xff98,0xff99,0xff9a,0xff95,0x00e0,0x03d6,0x07cb,0x7f86,0xff9b,0x01d4,0x03d7,0x0fc8,
+ 0xff9c,0xff9d,0x0fc9,0x0fca,0x7f87,0xff9e,0xff9f,0xffa0,0x3fb1,0xffa1,0xffa2,0xffa3,
+ 0xffa4,0xffa5,0xffa6,0xffa7,0xffa2,0x01d5,0x07cc,0x3fb2,0xffa8,0xffa9,0x03d8,0x07cd,
+ 0x1fc7,0xffaa,0xffab,0x3fb3,0x1fc8,0x3fb4,0xffac,0xffad,0xffae,0x7f88,0x7f89,0xffaf,
+ 0xffaf,0xffb0,0xffb1,0xffb2,0xffaf,0xffaf,0x07ce,0x1fc9,0xffb3,0xffb4,0xffb5,0x07cf,
+ 0x1fca,0x7f8a,0xffb6,0xffb7,0x1fcb,0xffb8,0xffb9,0xffba,0xffba,0xffbb,0xffbc,0xffbd,
+ 0xffbe,0xffbe,0xffbf,0xffc0,0xffbd,0xffbe,0xffbe,0x7f8b,0xffc1,0xffc2,0xffc3,0xffb4,
+ 0x3fb5,0xffc4,0xffc5,0xffc6,0xffb6,0xffc7,0xffc8,0xffc9,0xffba,0xffba,0xffca,0xffcb,
+ 0xffbd,0xffbe,0xffbe,0xffbb,0xffbc,0xffbd,0xffbe,0xffbe,0x01d6,0x1fcc,0xffcc,0xffcd,
+ 0xffce,0x07d0,0x1fcd,0xffcf,0xffd0,0xffd1,0x3fb6,0x7f8c,0xffd2,0xffd3,0xff90,0x7f8d,
+ 0xffd4,0xffd5,0xffd6,0xff95,0xffd7,0xffd8,0xff94,0xff95,0xff95,0x01d7,0x1fce,0x7f8e,
+ 0x7f8f,0xffd9,0x0fcb,0x1fcf,0x3fb7,0xffda,0xffdb,0xffdc,0x7f90,0xffdd,0xffde,0xff9e,
+ 0xffdf,0xffe0,0xffe1,0xffe2,0xffa2,0xffe3,0xffe4,0xffa1,0xffa2,0xffa2,0x07d1,0x1fd0,
+ 0x7f91,0xffe5,0xffa8,0x0fcc,0x3fb8,0xffe6,0xffe7,0xffaa,0xffe8,0xffe9,0xffea,0xffeb,
+ 0xffac,0xffec,0xffed,0xffee,0xffaf,0xffaf,0xffae,0x7f88,0x7f89,0xffaf,0xffaf,0xffef,
+ 0xfff0,0xfff1,0xfff2,0xffb4,0xfff3,0xfff4,0xfff5,0xfff6,0xffb6,0xfff7,0xfff8,0xfff9,
+ 0xffba,0xffba,0xfffa,0xfffb,0xffbd,0xffbe,0xffbe,0xffbb,0xffbc,0xffbd,0xffbe,0xffbe,
+ 0xfffc,0xfffd,0xffb3,0xffb4,0xffb4,0xfffe,0xffff,
+};
+
+static const uint8_t cvh_huffbits4[246] = {
+ 2, 4, 7, 10, 4, 5, 7, 10, 7, 8, 10, 14,
+ 11, 11, 15, 15, 4, 5, 9, 12, 5, 5, 8, 12,
+ 8, 7, 10, 15, 11, 11, 15, 15, 7, 9, 12, 15,
+ 8, 8, 12, 15, 10, 10, 13, 15, 14, 14, 15, 0,
+ 11, 13, 15, 15, 11, 13, 15, 15, 14, 15, 15, 0,
+ 15, 15, 0, 0, 4, 5, 9, 13, 5, 6, 9, 13,
+ 9, 9, 11, 15, 14, 13, 15, 15, 4, 6, 9, 12,
+ 5, 6, 9, 13, 9, 8, 11, 15, 13, 12, 15, 15,
+ 7, 9, 12, 15, 7, 8, 11, 15, 10, 10, 14, 15,
+ 14, 15, 15, 0, 10, 12, 15, 15, 11, 13, 15, 15,
+ 15, 15, 15, 0, 15, 15, 0, 0, 6, 9, 13, 14,
+ 8, 9, 12, 15, 12, 12, 15, 15, 15, 15, 15, 0,
+ 7, 9, 13, 15, 8, 9, 12, 15, 11, 12, 15, 15,
+ 15, 15, 15, 0, 9, 11, 15, 15, 9, 11, 15, 15,
+ 14, 14, 15, 0, 15, 15, 0, 0, 14, 15, 15, 0,
+ 14, 15, 15, 0, 15, 15, 0, 0, 0, 0, 0, 0,
+ 9, 12, 15, 15, 12, 13, 15, 15, 15, 15, 15, 0,
+ 15, 15, 0, 0, 10, 12, 15, 15, 12, 14, 15, 15,
+ 15, 15, 15, 0, 15, 15, 0, 0, 14, 15, 15, 0,
+ 15, 15, 15, 0, 15, 15, 0, 0, 0, 0, 0, 0,
+ 15, 15, 0, 0, 15, 15,
+};
+
+
+static const uint16_t cvh_huffcodes4[246] = {
+ 0x0000,0x0004,0x006c,0x03e6,0x0005,0x0012,0x006d,0x03e7,0x006e,0x00e8,0x03e8,0x3fc4,
+ 0x07e0,0x07e1,0x7fa4,0x7fa5,0x0006,0x0013,0x01e2,0x0fda,0x0014,0x0015,0x00e9,0x0fdb,
+ 0x00ea,0x006f,0x03e9,0x7fa6,0x07e2,0x07e3,0x7fa7,0x7fa8,0x0070,0x01e3,0x0fdc,0x7fa9,
+ 0x00eb,0x00ec,0x0fdd,0x7faa,0x03ea,0x03eb,0x1fd6,0x7fab,0x3fc5,0x3fc6,0x7fac,0x1fd6,
+ 0x07e4,0x1fd7,0x7fad,0x7fae,0x07e5,0x1fd8,0x7faf,0x7fb0,0x3fc7,0x7fb1,0x7fb2,0x1fd6,
+ 0x7fb3,0x7fb4,0x1fd6,0x1fd6,0x0007,0x0016,0x01e4,0x1fd9,0x0017,0x0032,0x01e5,0x1fda,
+ 0x01e6,0x01e7,0x07e6,0x7fb5,0x3fc8,0x1fdb,0x7fb6,0x7fb7,0x0008,0x0033,0x01e8,0x0fde,
+ 0x0018,0x0034,0x01e9,0x1fdc,0x01ea,0x00ed,0x07e7,0x7fb8,0x1fdd,0x0fdf,0x7fb9,0x7fba,
+ 0x0071,0x01eb,0x0fe0,0x7fbb,0x0072,0x00ee,0x07e8,0x7fbc,0x03ec,0x03ed,0x3fc9,0x7fbd,
+ 0x3fca,0x7fbe,0x7fbf,0x3fc9,0x03ee,0x0fe1,0x7fc0,0x7fc1,0x07e9,0x1fde,0x7fc2,0x7fc3,
+ 0x7fc4,0x7fc5,0x7fc6,0x3fc9,0x7fc7,0x7fc8,0x3fc9,0x3fc9,0x0035,0x01ec,0x1fdf,0x3fcb,
+ 0x00ef,0x01ed,0x0fe2,0x7fc9,0x0fe3,0x0fe4,0x7fca,0x7fcb,0x7fcc,0x7fcd,0x7fce,0x7fca,
+ 0x0073,0x01ee,0x1fe0,0x7fcf,0x00f0,0x01ef,0x0fe5,0x7fd0,0x07ea,0x0fe6,0x7fd1,0x7fd2,
+ 0x7fd3,0x7fd4,0x7fd5,0x7fd1,0x01f0,0x07eb,0x7fd6,0x7fd7,0x01f1,0x07ec,0x7fd8,0x7fd9,
+ 0x3fcc,0x3fcd,0x7fda,0x7fda,0x7fdb,0x7fdc,0x7fda,0x7fda,0x3fce,0x7fdd,0x7fde,0x7fd6,
+ 0x3fcf,0x7fdf,0x7fe0,0x7fd8,0x7fe1,0x7fe2,0x7fda,0x7fda,0x3fcc,0x3fcd,0x7fda,0x7fda,
+ 0x01f2,0x0fe7,0x7fe3,0x7fe4,0x0fe8,0x1fe1,0x7fe5,0x7fe6,0x7fe7,0x7fe8,0x7fe9,0x7fca,
+ 0x7fea,0x7feb,0x7fca,0x7fca,0x03ef,0x0fe9,0x7fec,0x7fed,0x0fea,0x3fd0,0x7fee,0x7fef,
+ 0x7ff0,0x7ff1,0x7ff2,0x7fd1,0x7ff3,0x7ff4,0x7fd1,0x7fd1,0x3fd1,0x7ff5,0x7ff6,0x7fd6,
+ 0x7ff7,0x7ff8,0x7ff9,0x7fd8,0x7ffa,0x7ffb,0x7fda,0x7fda,0x3fcc,0x3fcd,0x7fda,0x7fda,
+ 0x7ffc,0x7ffd,0x7fd6,0x7fd6,0x7ffe,0x7fff,
+};
+
+
+static const uint8_t cvh_huffbits5[230] = {
+ 2, 4, 8, 4, 5, 9, 9, 10, 14, 4, 6, 11,
+ 5, 6, 12, 10, 11, 15, 9, 11, 15, 10, 13, 15,
+ 14, 15, 0, 4, 6, 12, 6, 7, 12, 12, 12, 15,
+ 5, 7, 13, 6, 7, 13, 12, 13, 15, 10, 12, 15,
+ 11, 13, 15, 15, 15, 0, 8, 13, 15, 11, 12, 15,
+ 15, 15, 0, 10, 13, 15, 12, 15, 15, 15, 15, 0,
+ 15, 15, 0, 15, 15, 0, 0, 0, 0, 4, 5, 11,
+ 5, 7, 12, 11, 12, 15, 6, 7, 13, 7, 8, 14,
+ 12, 14, 15, 11, 13, 15, 12, 13, 15, 15, 15, 0,
+ 5, 6, 13, 7, 8, 15, 12, 14, 15, 6, 8, 14,
+ 7, 8, 15, 14, 15, 15, 12, 12, 15, 12, 13, 15,
+ 15, 15, 0, 9, 13, 15, 12, 13, 15, 15, 15, 0,
+ 11, 13, 15, 13, 13, 15, 15, 15, 0, 14, 15, 0,
+ 15, 15, 0, 0, 0, 0, 8, 10, 15, 11, 12, 15,
+ 15, 15, 0, 10, 12, 15, 12, 13, 15, 15, 15, 0,
+ 14, 15, 0, 15, 15, 0, 0, 0, 0, 8, 12, 15,
+ 12, 13, 15, 15, 15, 0, 11, 13, 15, 13, 15, 15,
+ 15, 15, 0, 15, 15, 0, 15, 15, 0, 0, 0, 0,
+ 14, 15, 0, 15, 15, 0, 0, 0, 0, 15, 15, 0,
+ 15, 15,
+};
+
+
+
+static const uint16_t cvh_huffcodes5[230] = {
+ 0x0000,0x0004,0x00f0,0x0005,0x0012,0x01f0,0x01f1,0x03e8,0x3fce,0x0006,0x0030,0x07de,
+ 0x0013,0x0031,0x0fd2,0x03e9,0x07df,0x7fb0,0x01f2,0x07e0,0x7fb1,0x03ea,0x1fd2,0x7fb2,
+ 0x3fcf,0x7fb3,0x0031,0x0007,0x0032,0x0fd3,0x0033,0x0070,0x0fd4,0x0fd5,0x0fd6,0x7fb4,
+ 0x0014,0x0071,0x1fd3,0x0034,0x0072,0x1fd4,0x0fd7,0x1fd5,0x7fb5,0x03eb,0x0fd8,0x7fb6,
+ 0x07e1,0x1fd6,0x7fb7,0x7fb8,0x7fb9,0x0072,0x00f1,0x1fd7,0x7fba,0x07e2,0x0fd9,0x7fbb,
+ 0x7fbc,0x7fbd,0x0070,0x03ec,0x1fd8,0x7fbe,0x0fda,0x7fbf,0x7fc0,0x7fc1,0x7fc2,0x0072,
+ 0x7fc3,0x7fc4,0x0071,0x7fc5,0x7fc6,0x0072,0x0034,0x0072,0x0072,0x0008,0x0015,0x07e3,
+ 0x0016,0x0073,0x0fdb,0x07e4,0x0fdc,0x7fc7,0x0035,0x0074,0x1fd9,0x0075,0x00f2,0x3fd0,
+ 0x0fdd,0x3fd1,0x7fc8,0x07e5,0x1fda,0x7fc9,0x0fde,0x1fdb,0x7fca,0x7fcb,0x7fcc,0x00f2,
+ 0x0017,0x0036,0x1fdc,0x0076,0x00f3,0x7fcd,0x0fdf,0x3fd2,0x7fce,0x0037,0x00f4,0x3fd3,
+ 0x0077,0x00f5,0x7fcf,0x3fd4,0x7fd0,0x7fd1,0x0fe0,0x0fe1,0x7fd2,0x0fe2,0x1fdd,0x7fd3,
+ 0x7fd4,0x7fd5,0x00f5,0x01f3,0x1fde,0x7fd6,0x0fe3,0x1fdf,0x7fd7,0x7fd8,0x7fd9,0x00f3,
+ 0x07e6,0x1fe0,0x7fda,0x1fe1,0x1fe2,0x7fdb,0x7fdc,0x7fdd,0x00f5,0x3fd5,0x7fde,0x00f4,
+ 0x7fdf,0x7fe0,0x00f5,0x0077,0x00f5,0x00f5,0x00f6,0x03ed,0x7fe1,0x07e7,0x0fe4,0x7fe2,
+ 0x7fe3,0x7fe4,0x0073,0x03ee,0x0fe5,0x7fe5,0x0fe6,0x1fe3,0x7fe6,0x7fe7,0x7fe8,0x00f2,
+ 0x3fd6,0x7fe9,0x0074,0x7fea,0x7feb,0x00f2,0x0075,0x00f2,0x00f2,0x00f7,0x0fe7,0x7fec,
+ 0x0fe8,0x1fe4,0x7fed,0x7fee,0x7fef,0x00f3,0x07e8,0x1fe5,0x7ff0,0x1fe6,0x7ff1,0x7ff2,
+ 0x7ff3,0x7ff4,0x00f5,0x7ff5,0x7ff6,0x00f4,0x7ff7,0x7ff8,0x00f5,0x0077,0x00f5,0x00f5,
+ 0x3fd7,0x7ff9,0x0036,0x7ffa,0x7ffb,0x00f3,0x0076,0x00f3,0x00f3,0x7ffc,0x7ffd,0x0000,
+ 0x7ffe,0x7fff,
+};
+
+
+static const uint8_t cvh_huffbits6[32] = {
+ 1, 4, 4, 6, 4, 6, 6, 8, 4, 6, 6, 8,
+ 6, 9, 8, 10, 4, 6, 7, 8, 6, 9, 8, 11,
+ 6, 9, 8, 10, 8, 10, 9, 11,
+};
+
+static const uint16_t cvh_huffcodes6[32] = {
+ 0x0000,0x0008,0x0009,0x0034,0x000a,0x0035,0x0036,0x00f6,0x000b,0x0037,0x0038,0x00f7,
+ 0x0039,0x01fa,0x00f8,0x03fc,0x000c,0x003a,0x007a,0x00f9,0x003b,0x01fb,0x00fa,0x07fe,
+ 0x003c,0x01fc,0x00fb,0x03fd,0x00fc,0x03fe,0x01fd,0x07ff,
+};
+
+static const uint16_t* cvh_huffcodes[7] = {
+ cvh_huffcodes0, cvh_huffcodes1, cvh_huffcodes2, cvh_huffcodes3,
+ cvh_huffcodes4, cvh_huffcodes5, cvh_huffcodes6,
+};
+
+static const uint8_t* cvh_huffbits[7] = {
+ cvh_huffbits0, cvh_huffbits1, cvh_huffbits2, cvh_huffbits3,
+ cvh_huffbits4, cvh_huffbits5, cvh_huffbits6,
+};
+
+
+static const uint16_t ccpl_huffcodes2[3] = {
+ 0x02,0x00,0x03,
+};
+
+static const uint16_t ccpl_huffcodes3[7] = {
+ 0x3e,0x1e,0x02,0x00,0x06,0x0e,0x3f,
+};
+
+static const uint16_t ccpl_huffcodes4[15] = {
+ 0xfc,0xfd,0x7c,0x3c,0x1c,0x0c,0x04,0x00,0x05,0x0d,0x1d,0x3d,
+ 0x7d,0xfe,0xff,
+};
+
+static const uint16_t ccpl_huffcodes5[31] = {
+ 0x03f8,0x03f9,0x03fa,0x03fb,0x01f8,0x01f9,0x00f8,0x00f9,0x0078,0x0079,0x0038,0x0039,
+ 0x0018,0x0019,0x0004,0x0000,0x0005,0x001a,0x001b,0x003a,0x003b,0x007a,0x007b,0x00fa,
+ 0x00fb,0x01fa,0x01fb,0x03fc,0x03fd,0x03fe,0x03ff,
+};
+
+static const uint16_t ccpl_huffcodes6[63] = {
+ 0x0004,0x0005,0x0005,0x0006,0x0006,0x0007,0x0007,0x0007,0x0007,0x0008,0x0008,0x0008,
+ 0x0008,0x0009,0x0009,0x0009,0x0009,0x000a,0x000a,0x000a,0x000a,0x000a,0x000b,0x000b,
+ 0x000b,0x000b,0x000c,0x000d,0x000e,0x000e,0x0010,0x0000,0x000a,0x0018,0x0019,0x0036,
+ 0x0037,0x0074,0x0075,0x0076,0x0077,0x00f4,0x00f5,0x00f6,0x00f7,0x01f5,0x01f6,0x01f7,
+ 0x01f8,0x03f6,0x03f7,0x03f8,0x03f9,0x03fa,0x07fa,0x07fb,0x07fc,0x07fd,0x0ffd,0x1ffd,
+ 0x3ffd,0x3ffe,0xffff,
+};
+
+static const uint8_t ccpl_huffbits2[3] = {
+ 2,1,2,
+};
+
+static const uint8_t ccpl_huffbits3[7] = {
+ 6,5,2,1,3,4,6,
+};
+
+static const uint8_t ccpl_huffbits4[15] = {
+ 8,8,7,6,5,4,3,1,3,4,5,6,7,8,8,
+};
+
+static const uint8_t ccpl_huffbits5[31] = {
+ 10,10,10,10,9,9,8,8,7,7,6,6,
+ 5,5,3,1,3,5,5,6,6,7,7,8,
+ 8,9,9,10,10,10,10,
+};
+
+static const uint8_t ccpl_huffbits6[63] = {
+ 16,15,14,13,12,11,11,11,11,10,10,10,
+ 10,9,9,9,9,9,8,8,8,8,7,7,
+ 7,7,6,6,5,5,3,1,4,5,5,6,
+ 6,7,7,7,7,8,8,8,8,9,9,9,
+ 9,10,10,10,10,10,11,11,11,11,12,13,
+ 14,14,16,
+};
+
+static const uint16_t* ccpl_huffcodes[5] = {
+ ccpl_huffcodes2,ccpl_huffcodes3,
+ ccpl_huffcodes4,ccpl_huffcodes5,ccpl_huffcodes6
+};
+
+static const uint8_t* ccpl_huffbits[5] = {
+ ccpl_huffbits2,ccpl_huffbits3,
+ ccpl_huffbits4,ccpl_huffbits5,ccpl_huffbits6
+};
+
+
+//Coupling tables
+
+static const int cplband[51] = {
+ 0,1,2,3,4,5,6,7,8,9,
+ 10,11,11,12,12,13,13,14,14,14,
+ 15,15,15,15,16,16,16,16,16,17,
+ 17,17,17,17,17,18,18,18,18,18,
+ 18,18,19,19,19,19,19,19,19,19,
+ 19,
+};
diff --git a/lib/rbcodec/codecs/libcook/cookdata_fixpoint.h b/lib/rbcodec/codecs/libcook/cookdata_fixpoint.h
new file mode 100644
index 0000000000..b58666031d
--- /dev/null
+++ b/lib/rbcodec/codecs/libcook/cookdata_fixpoint.h
@@ -0,0 +1,164 @@
+/*
+ * COOK compatible decoder fixed point data types and constants
+ * Copyright (c) 2007 Ian Braithwaite
+ *
+ * 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 cookdata_fixpoint.h
+ * Cook AKA RealAudio G2 compatible decoder
+ * fixed point data types and constants
+ */
+
+#include <inttypes.h>
+typedef int32_t FIXP; /* Fixed point variable type */
+typedef uint16_t FIXPU; /* Fixed point fraction 0<=x<1 */
+
+typedef FIXP REAL_T;
+
+
+/* No additional variables in COOKContext
+ * for fixed point routines
+ */
+typedef struct {
+} realvars_t;
+
+static const FIXPU pow128_tab[128] = {
+ /* x_i = 2^(15+i/128) */
+ 0x8000, 0x80b2, 0x8165, 0x8219, 0x82ce, 0x8383, 0x843a, 0x84f2, 0x85ab,
+ 0x8665, 0x871f, 0x87db, 0x8898, 0x8956, 0x8a15, 0x8ad5, 0x8b96, 0x8c58,
+ 0x8d1b, 0x8ddf, 0x8ea4, 0x8f6b, 0x9032, 0x90fa, 0x91c4, 0x928e, 0x935a,
+ 0x9427, 0x94f5, 0x95c4, 0x9694, 0x9765, 0x9838, 0x990c, 0x99e0, 0x9ab6,
+ 0x9b8d, 0x9c65, 0x9d3f, 0x9e19, 0x9ef5, 0x9fd2, 0xa0b0, 0xa190, 0xa270,
+ 0xa352, 0xa435, 0xa519, 0xa5ff, 0xa6e6, 0xa7ce, 0xa8b7, 0xa9a1, 0xaa8d,
+ 0xab7a, 0xac69, 0xad58, 0xae49, 0xaf3b, 0xb02f, 0xb124, 0xb21a, 0xb312,
+ 0xb40b, 0xb505, 0xb601, 0xb6fe, 0xb7fc, 0xb8fc, 0xb9fd, 0xbaff, 0xbc03,
+ 0xbd09, 0xbe0f, 0xbf18, 0xc021, 0xc12c, 0xc239, 0xc347, 0xc456, 0xc567,
+ 0xc67a, 0xc78d, 0xc8a3, 0xc9ba, 0xcad2, 0xcbec, 0xcd08, 0xce25, 0xcf43,
+ 0xd063, 0xd185, 0xd2a8, 0xd3cd, 0xd4f3, 0xd61b, 0xd745, 0xd870, 0xd99d,
+ 0xdacc, 0xdbfc, 0xdd2e, 0xde61, 0xdf96, 0xe0cd, 0xe205, 0xe340, 0xe47b,
+ 0xe5b9, 0xe6f8, 0xe839, 0xe97c, 0xeac1, 0xec07, 0xed4f, 0xee99, 0xefe5,
+ 0xf132, 0xf281, 0xf3d3, 0xf525, 0xf67a, 0xf7d1, 0xf929, 0xfa84, 0xfbe0,
+ 0xfd3e, 0xfe9e
+};
+
+
+
+/* dither_table and quant_centroid_table.
+ * Index 1: [0] - scaled by 2^13, [1] - scaled by 2^13 / sqrt(2)
+ * Index 2: [0..7] - category
+ * Index 3: [0] - dither_table, [1..13] - quant_centroid_table
+ */
+static const FIXP quant_tables[2][8][14] ICONST_ATTR = {{{
+ 0x00000000, 0x0645a1cb, 0x0c2d0e56, 0x11eb851f, 0x17a1cac1, 0x1d4fdf3b,
+ 0x22ed9168, 0x28a7ef9e, 0x2e49ba5e, 0x33eb851f, 0x39916873, 0x3f126e98,
+ 0x449ba5e3, 0x4b958106
+},{
+ 0x00000000, 0x08b43958, 0x10f5c28f, 0x19020c4a, 0x2116872b, 0x2922d0e5,
+ 0x3126e979, 0x38fdf3b6, 0x411eb852, 0x49eb851f, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000
+},{
+ 0x00000000, 0x0bef9db2, 0x176c8b44, 0x22e147ae, 0x2e1cac08, 0x39581062,
+ 0x450e5604, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000
+},{
+ 0x00000000, 0x10189375, 0x20000000, 0x2fe353f8, 0x3fc28f5c, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000
+},{
+ 0x00000000, 0x1522d0e5, 0x2b3f7cee, 0x3fba5e35, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000
+},{
+ 0x02d413cd, 0x1a83126f, 0x37db22d1, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000
+},{
+ 0x04000000, 0x1f6c8b44, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000
+},{
+ 0x0b504f33, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000
+}},{{
+ 0x00000000, 0x046f5a70, 0x089c1768, 0x0cabddd3, 0x10b5d955, 0x14ba09ed,
+ 0x18b2a4b4, 0x1cbf85aa, 0x20bb05e5, 0x24b68620, 0x28b4ebcf, 0x2c994066,
+ 0x30835fe6, 0x35722a5e
+},{
+ 0x00000000, 0x062797a1, 0x0bfe1683, 0x11aeee7a, 0x1765915b, 0x1d166952,
+ 0x22c17660, 0x284ca76c, 0x2e0bfaaa, 0x3444f306, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000
+},{
+ 0x00000000, 0x0870a594, 0x1090326a, 0x18a9f456, 0x209b29e3, 0x288c5f70,
+ 0x30d478a5, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000
+},{
+ 0x00000000, 0x0b61afee, 0x16a09e66, 0x21dca76a, 0x2d15caf9, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000
+},{
+ 0x00000000, 0x0ef20652, 0x1e94b968, 0x2d100010, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000
+},{
+ 0x02000000, 0x12bf2f44, 0x277f041b, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000
+},{
+ 0x02d413cd, 0x16385a03, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000
+},{
+ 0x08000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000
+}}};
+
+static const FIXPU cplscale2[3] = {
+ /* 2^16 C_ij */
+ 0xf3f9, 0xb505, 0x4d8b
+};
+static const FIXPU cplscale3[7] = {
+ /* 2^16 C_ij */
+ 0xfb35, 0xefdf, 0xe03d, 0xb505, 0x7b81, 0x596e, 0x314d
+};
+static const FIXPU cplscale4[15] = {
+ /* 2^16 C_ij */
+ 0xfdd2, 0xf927, 0xf3f9, 0xee1d, 0xe749, 0xdee9, 0xd381, 0xb505, 0x903b,
+ 0x7de2, 0x6dbe, 0x5e02, 0x4d8b, 0x3ad1, 0x2155
+};
+static const FIXPU cplscale5[31] = {
+ /* 2^16 C_ij */
+ 0xfef5, 0xfcce, 0xfa8e, 0xf832, 0xf5b5, 0xf314, 0xf049, 0xed4c, 0xea12,
+ 0xe68e, 0xe2ab, 0xde4b, 0xd938, 0xd30b, 0xcab6, 0xb505, 0x9c59, 0x90e8,
+ 0x8778, 0x7ef9, 0x76fc, 0x6f45, 0x67ab, 0x600e, 0x5850, 0x504d, 0x47db,
+ 0x3ebd, 0x3486, 0x2853, 0x1715
+};
+static const FIXPU cplscale6[63] = {
+ /* 2^16 C_ij */
+ 0xff7d, 0xfe74, 0xfd65, 0xfc50, 0xfb35, 0xfa14, 0xf8eb, 0xf7bb, 0xf683,
+ 0xf543, 0xf3f9, 0xf2a6, 0xf148, 0xefdf, 0xee6a, 0xece6, 0xeb54, 0xe9b2,
+ 0xe7fd, 0xe634, 0xe453, 0xe258, 0xe03d, 0xddff, 0xdb94, 0xd8f4, 0xd610,
+ 0xd2d2, 0xcf13, 0xca8c, 0xc47c, 0xb505, 0xa41a, 0x9c90, 0x9685, 0x913a,
+ 0x8c67, 0x87e5, 0x839c, 0x7f7e, 0x7b81, 0x779b, 0x73c7, 0x6fff, 0x6c3f,
+ 0x6883, 0x64c7, 0x6107, 0x5d40, 0x596e, 0x558d, 0x5198, 0x4d8b, 0x495f,
+ 0x450d, 0x408b, 0x3bcd, 0x36c1, 0x314d, 0x2b4a, 0x246e, 0x1c1a, 0x1029
+};
+
diff --git a/lib/rbcodec/codecs/libcook/libcook.make b/lib/rbcodec/codecs/libcook/libcook.make
new file mode 100644
index 0000000000..c7bdca90c5
--- /dev/null
+++ b/lib/rbcodec/codecs/libcook/libcook.make
@@ -0,0 +1,18 @@
+# __________ __ ___.
+# Open \______ \ ____ ____ | | _\_ |__ _______ ___
+# Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+# Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+# Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+# \/ \/ \/ \/ \/
+# $Id:$
+#
+
+# libcook
+COOKLIB := $(CODECDIR)/libcook.a
+COOKLIB_SRC := $(call preprocess, $(RBCODECLIB_DIR)/codecs/libcook/SOURCES)
+COOKLIB_OBJ := $(call c2obj, $(COOKLIB_SRC))
+OTHER_SRC += $(COOKLIB_SRC)
+
+$(COOKLIB): $(COOKLIB_OBJ)
+ $(SILENT)$(shell rm -f $@)
+ $(call PRINTS,AR $(@F))$(AR) rcs $@ $^ >/dev/null