--- /dev/null
+use formats::*;
+use frame::*;
+use super::super::*;
+use dsp::fft::FFTMode;
+use dsp::mdct::IMDCT;
+use io::bitreader::*;
+use io::byteio::{ByteReader, MemoryReader};
+use io::codebook::*;
+use io::intcode::*;
+use std::f32::consts;
+use std::mem::swap;
+
+#[derive(Debug,Clone,Copy,PartialEq)]
+enum Mode {
+ Mono,
+ Stereo,
+ JointStereo,
+}
+
+impl Mode {
+ fn get_channels(&self) -> usize {
+ match *self {
+ Mode::Mono => 1,
+ _ => 2,
+ }
+ }
+}
+
+struct CookBookReader {
+ bits: &'static [u8],
+ codes: &'static [u16],
+}
+impl CodebookDescReader<u16> for CookBookReader {
+ fn bits(&mut self, idx: usize) -> u8 { self.bits[idx] }
+ fn code(&mut self, idx: usize) -> u32 { self.codes[idx] as u32 }
+ fn sym (&mut self, idx: usize) -> u16 { idx as u16 }
+ fn len(&mut self) -> usize { self.bits.len() }
+}
+
+struct Codebooks {
+ cpl_cb: [Codebook<u16>; 5],
+ quant_cb: Vec<Codebook<u16>>,
+ vq_cb: [Codebook<u16>; 7],
+}
+
+impl Codebooks {
+ fn new() -> Self {
+ let mut cpl0 = CookBookReader { codes: COOK_CPL_2BITS_CODES, bits: COOK_CPL_2BITS_BITS };
+ let mut cpl1 = CookBookReader { codes: COOK_CPL_3BITS_CODES, bits: COOK_CPL_3BITS_BITS };
+ let mut cpl2 = CookBookReader { codes: COOK_CPL_4BITS_CODES, bits: COOK_CPL_4BITS_BITS };
+ let mut cpl3 = CookBookReader { codes: COOK_CPL_5BITS_CODES, bits: COOK_CPL_5BITS_BITS };
+ let mut cpl4 = CookBookReader { codes: COOK_CPL_6BITS_CODES, bits: COOK_CPL_6BITS_BITS };
+ let cpl_cb = [Codebook::new(&mut cpl0, CodebookMode::MSB).unwrap(),
+ Codebook::new(&mut cpl1, CodebookMode::MSB).unwrap(),
+ Codebook::new(&mut cpl2, CodebookMode::MSB).unwrap(),
+ Codebook::new(&mut cpl3, CodebookMode::MSB).unwrap(),
+ Codebook::new(&mut cpl4, CodebookMode::MSB).unwrap()];
+ let mut quant_cb: Vec<Codebook<u16>> = Vec::with_capacity(COOK_QUANT_CODES.len());
+ for i in 0..COOK_QUANT_CODES.len() {
+ let mut quant = CookBookReader { codes: COOK_QUANT_CODES[i], bits: COOK_QUANT_BITS[i] };
+ quant_cb.push(Codebook::new(&mut quant, CodebookMode::MSB).unwrap());
+ }
+ let mut vq0 = CookBookReader { codes: COOK_VQ0_CODES, bits: COOK_VQ0_BITS };
+ let mut vq1 = CookBookReader { codes: COOK_VQ1_CODES, bits: COOK_VQ1_BITS };
+ let mut vq2 = CookBookReader { codes: COOK_VQ2_CODES, bits: COOK_VQ2_BITS };
+ let mut vq3 = CookBookReader { codes: COOK_VQ3_CODES, bits: COOK_VQ3_BITS };
+ let mut vq4 = CookBookReader { codes: COOK_VQ4_CODES, bits: COOK_VQ4_BITS };
+ let mut vq5 = CookBookReader { codes: COOK_VQ5_CODES, bits: COOK_VQ5_BITS };
+ let mut vq6 = CookBookReader { codes: COOK_VQ6_CODES, bits: COOK_VQ6_BITS };
+ let vq_cb = [Codebook::new(&mut vq0, CodebookMode::MSB).unwrap(),
+ Codebook::new(&mut vq1, CodebookMode::MSB).unwrap(),
+ Codebook::new(&mut vq2, CodebookMode::MSB).unwrap(),
+ Codebook::new(&mut vq3, CodebookMode::MSB).unwrap(),
+ Codebook::new(&mut vq4, CodebookMode::MSB).unwrap(),
+ Codebook::new(&mut vq5, CodebookMode::MSB).unwrap(),
+ Codebook::new(&mut vq6, CodebookMode::MSB).unwrap()];
+ Codebooks {
+ cpl_cb: cpl_cb,
+ quant_cb: quant_cb,
+ vq_cb: vq_cb,
+ }
+ }
+}
+
+struct CookDSP {
+ imdct: IMDCT,
+ window: [f32; 1024],
+ out: [f32; 2048],
+ size: usize,
+ pow_tab: [f32; 128],
+ hpow_tab: [f32; 128],
+ gain_tab: [f32; 23],
+}
+
+impl CookDSP {
+ fn new(samples: usize) -> Self {
+ let fsamples = samples as f32;
+ let mut window: [f32; 1024] = [0.0; 1024];
+ let factor = consts::PI / (2.0 * fsamples);
+ let scale = (2.0 / fsamples).sqrt() / 32768.0;
+ for k in 0..samples {
+ window[k] = (factor * ((k as f32) + 0.5)).sin() * scale;
+ }
+ let mut pow_tab: [f32; 128] = [0.0; 128];
+ let mut hpow_tab: [f32; 128] = [0.0; 128];
+ for i in 0..128 {
+ pow_tab[i] = 2.0f32.powf((i as f32) - 64.0);
+ hpow_tab[i] = 2.0f32.powf(((i as f32) - 64.0) * 0.5);
+ }
+ let mut gain_tab: [f32; 23] = [0.0; 23];
+ for i in 0..23 {
+ gain_tab[i] = pow_tab[i + 53].powf(8.0 / fsamples);
+ }
+ let size = samples;
+ CookDSP { imdct: IMDCT::new(FFTMode::SplitRadix, samples*2), window: window, out: [0.0; 2048], size, pow_tab, hpow_tab, gain_tab }
+ }
+}
+
+trait ClipCat {
+ fn clip_cat(&self) -> usize;
+}
+
+impl ClipCat for i32 {
+ fn clip_cat(&self) -> usize { ((*self).max(0) as usize).min(NUM_CATEGORIES - 1) }
+}
+
+const BAND_SIZE: usize = 20;
+const MAX_SAMPLES: usize = MAX_SUBBANDS * BAND_SIZE;
+const MAX_PAIRS: usize = 5;
+const MAX_SUBBANDS: usize = 52;
+const NUM_CATEGORIES: usize = 8;
+
+#[derive(Clone,Copy)]
+struct CookChannelPair {
+ start_ch: usize,
+ mode: Mode,
+ samples: usize,
+ subbands: usize,
+ js_start: usize,
+ js_bits: u8,
+ vector_bits: u8,
+
+ decouple: [u8; BAND_SIZE],
+ category: [u8; MAX_SUBBANDS * 2],
+
+ block: [[f32; MAX_SAMPLES]; 2],
+ delay: [[f32; MAX_SAMPLES]; 2],
+ gains: [[i32; 9]; 2],
+ prev_gains: [[i32; 9]; 2],
+ qindex: [i8; MAX_SUBBANDS * 2],
+}
+
+impl CookChannelPair {
+ fn new() -> Self {
+ CookChannelPair {
+ start_ch: 0,
+ mode: Mode::Mono,
+ samples: 0,
+ subbands: 0,
+ js_start: 0,
+ js_bits: 0,
+ vector_bits: 0,
+
+ decouple: [0; BAND_SIZE],
+ category: [0; MAX_SUBBANDS * 2],
+
+ block: [[0.0; MAX_SAMPLES]; 2],
+ delay: [[0.0; MAX_SAMPLES]; 2],
+ gains: [[0; 9]; 2],
+ prev_gains: [[0; 9]; 2],
+ qindex: [0; MAX_SUBBANDS * 2],
+ }
+ }
+ fn read_hdr_v1(&mut self, br: &mut ByteReader) -> DecoderResult<()> {
+ let ver = br.read_u32be()?;
+ let micro_ver = ver & 0xFF;
+ self.samples = br.read_u16be()? as usize;
+ validate!(self.samples > 0 && ((self.samples & (self.samples - 1)) == 0));
+ self.subbands = br.read_u16be()? as usize;
+ validate!(self.subbands <= MAX_SUBBANDS);
+ match micro_ver {
+ 1 => {
+ self.mode = Mode::Mono;
+ self.js_start = 0;
+ self.js_bits = 0;
+ },
+ 2 => {
+ self.mode = Mode::Stereo;
+ self.js_start = 0;
+ self.js_bits = 0;
+ },
+ 3 => {
+ self.mode = Mode::JointStereo;
+ let _delay = br.read_u32be()?;
+ self.js_start = br.read_u16be()? as usize;
+ self.js_bits = br.read_u16be()? as u8;
+ validate!(self.js_start < MAX_SUBBANDS);
+ validate!((self.js_bits >= 2) && (self.js_bits <= 6));
+ },
+ _ => { return Err(DecoderError::InvalidData);}
+ }
+ Ok(())
+ }
+ fn read_hdr_v2(&mut self, br: &mut ByteReader) -> DecoderResult<u32> {
+ let ver = br.read_u32be()?;
+ validate!((ver >> 24) == 2);
+ self.samples = br.read_u16be()? as usize;
+ self.subbands = br.read_u16be()? as usize;
+ validate!(self.subbands <= MAX_SUBBANDS);
+ let _delay = br.read_u32be()?;
+ self.js_start = br.read_u16be()? as usize;
+ validate!(self.js_start < MAX_SUBBANDS);
+ let js_bits = br.read_u16be()?;
+ let chmap = br.read_u32be()?;
+ if chmap.count_ones() == 1 {
+ self.js_bits = 0;
+ self.mode = Mode::Mono;
+ } else {
+ validate!((js_bits >= 2) && (js_bits <= 6));
+ self.js_bits = js_bits as u8;
+ self.mode = Mode::JointStereo;
+ }
+ Ok(chmap)
+ }
+ fn bitalloc(&mut self, num_vectors: usize, bits: usize) {
+ let avail_bits = (if bits > self.samples { self.samples + ((bits - self.samples) * 5) / 8 } else { bits }) as i32;
+ let total_subbands = self.subbands + self.js_start;
+
+ let mut bias: i32 = -32;
+ for i in 0..6 {
+ let mut sum = 0;
+ for j in 0..total_subbands {
+ let idx = ((32 >> i) + bias - (self.qindex[j] as i32)) / 2;
+ sum += COOK_EXP_BITS[idx.clip_cat()];
+ }
+ if sum >= (avail_bits - 32) {
+ bias += 32 >> i;
+ }
+ }
+
+ let mut exp_index1: [usize; MAX_SUBBANDS * 2] = [0; MAX_SUBBANDS * 2];
+ let mut exp_index2: [usize; MAX_SUBBANDS * 2] = [0; MAX_SUBBANDS * 2];
+ let mut sum = 0;
+ for i in 0..total_subbands {
+ let idx = ((bias - (self.qindex[i] as i32)) / 2).clip_cat();
+ sum += COOK_EXP_BITS[idx];
+ exp_index1[i] = idx;
+ exp_index2[i] = idx;
+ }
+
+ let mut tbias1 = sum;
+ let mut tbias2 = sum;
+ let mut tcat: [usize; 128*2] = [0; 128*2];
+ let mut tcat_idx1 = 128;
+ let mut tcat_idx2 = 128;
+ for _ in 1..(1 << self.vector_bits) {
+ if tbias1 + tbias2 > avail_bits * 2 {
+ let mut max = -999999;
+ let mut idx = total_subbands + 1;
+ for j in 0..total_subbands {
+ if exp_index1[j] >= (NUM_CATEGORIES - 1) { continue; }
+ let t = -2 * (exp_index1[j] as i32) - (self.qindex[j] as i32) + bias;
+ if t >= max {
+ max = t;
+ idx = j;
+ }
+ }
+ if idx >= total_subbands { break; }
+ tcat[tcat_idx1] = idx;
+ tcat_idx1 += 1;
+ tbias1 -= COOK_EXP_BITS[exp_index1[idx]] - COOK_EXP_BITS[exp_index1[idx] + 1];
+ exp_index1[idx] += 1;
+ } else {
+ let mut min = 999999;
+ let mut idx = total_subbands + 1;
+ for j in 0..total_subbands {
+ if exp_index2[j] == 0 { continue; }
+ let t = -2 * (exp_index2[j] as i32) - (self.qindex[j] as i32) + bias;
+ if t < min {
+ min = t;
+ idx = j;
+ }
+ }
+ if idx >= total_subbands { break; }
+ tcat_idx2 -= 1;
+ tcat[tcat_idx2] = idx;
+ tbias2 -= COOK_EXP_BITS[exp_index2[idx]] - COOK_EXP_BITS[exp_index2[idx] - 1];
+ exp_index2[idx] -= 1;
+ }
+ }
+ for i in 0..total_subbands {
+ self.category[i] = exp_index2[i] as u8;
+ }
+
+ for _ in 0..num_vectors {
+ let idx = tcat[tcat_idx2];
+ tcat_idx2 += 1;
+ self.category[idx] = (self.category[idx] + 1).min((NUM_CATEGORIES - 1) as u8) as u8;
+ }
+ }
+ fn decode_channel_data(&mut self, dsp: &mut CookDSP, rnd: &mut RND, codebooks: &Codebooks, src: &[u8], buf: &mut [u8], channel: usize) -> DecoderResult<()> {
+ // decrypt
+ for (i, b) in src.iter().enumerate() {
+ buf[i] = b ^ COOK_XOR_KEY[i & 3];
+ }
+ let mut br = BitReader::new(buf, src.len(), BitReaderMode::BE);
+
+ let num_gains = br.read_code(UintCodeType::UnaryOnes)? as usize;
+ validate!(num_gains <= 8);
+
+ swap(&mut self.gains[channel], &mut self.prev_gains[channel]);
+ self.block[channel] = [0.0; MAX_SAMPLES];
+
+ // gains
+ let mut ipos = 0;
+ for _ in 0..num_gains {
+ let idx = br.read(3)? as usize;
+ let val;
+ if br.read_bool()? {
+ val = (br.read(4)? as i32) - 7;
+ } else {
+ val = -1;
+ }
+ validate!(idx >= ipos);
+ while ipos <= idx {
+ self.prev_gains[channel][ipos] = val;
+ ipos += 1;
+ }
+ }
+ while ipos <= 8 {
+ self.prev_gains[channel][ipos] = 0;
+ ipos += 1;
+ }
+
+ // coupling information
+ if self.mode == Mode::JointStereo {
+ let cstart = COOK_CPL_BAND[self.js_start] as usize;
+ let cend = COOK_CPL_BAND[self.subbands - 1] as usize;
+ if br.read_bool()? {
+ let cb = &codebooks.cpl_cb[(self.js_bits - 2) as usize];
+ for i in cstart..cend+1 {
+ self.decouple[i] = br.read_cb(cb)? as u8;
+ }
+ } else {
+ for i in cstart..cend+1 {
+ self.decouple[i] = br.read(self.js_bits)? as u8;
+ }
+ }
+ }
+
+ // envelope
+ let tot_subbands = self.subbands + self.js_start;
+ self.qindex[0] = (br.read(6)? as i8) - 6;
+ for i in 1..tot_subbands {
+ let mut pos = i;
+ if pos >= self.js_start * 2 {
+ pos -= self.js_start;
+ } else {
+ pos >>= 1;
+ }
+ let ipos = ((pos as i8) - 1).max(0).min(12);
+ let cb = &codebooks.quant_cb[ipos as usize];
+ self.qindex[i] = (br.read_cb(cb)? as i8) + self.qindex[i - 1] - 12;
+ validate!((self.qindex[i] >= -63) && (self.qindex[i] <= 63));
+ }
+ let num_vectors = br.read(self.vector_bits)? as usize;
+ self.bitalloc(num_vectors, br.left() as usize);
+
+ // coefficients
+ self.block[channel] = [0.0; MAX_SAMPLES];
+ let mut off = 0;
+ for sb in 0..tot_subbands {
+ let mut coef_index: [u8; BAND_SIZE] = [0; BAND_SIZE];
+ let mut coef_sign: [bool; BAND_SIZE] = [false; BAND_SIZE];
+ let cat = self.category[sb] as usize;
+ if (cat < NUM_CATEGORIES - 1) && br.left() > 0 {
+ unpack_band(&mut br, codebooks, &mut coef_index, &mut coef_sign, cat)?;
+ }
+ for i in 0..BAND_SIZE {
+ let val;
+ if coef_index[i] == 0 {
+ let v = COOK_DITHER_TAB[cat];
+ val = if !rnd.get_sign() { v } else { -v };
+ } else {
+ let v = COOK_QUANT_CENTROID[cat][coef_index[i] as usize];
+ val = if !coef_sign[i] { v } else { -v };
+ }
+ self.block[channel][off + i] = val * dsp.hpow_tab[(self.qindex[sb] + 64) as usize];
+ }
+ off += BAND_SIZE;
+ }
+
+ Ok(())
+ }
+ fn decode(&mut self, dsp: &mut CookDSP, rnd: &mut RND, codebooks: &Codebooks, src: &[u8], buf: &mut [u8], abuf: &mut NABufferType) -> DecoderResult<()> {
+ if self.mode == Mode::Stereo {
+ let mut schunk = src.chunks(src.len() / 2);
+ self.decode_channel_data(dsp, rnd, codebooks, schunk.next().unwrap(), buf, 0)?;
+ self.decode_channel_data(dsp, rnd, codebooks, schunk.next().unwrap(), buf, 1)?;
+ } else {
+ self.decode_channel_data(dsp, rnd, codebooks, src, buf, 0)?;
+ }
+ // uncouple joint stereo channels
+ if self.mode == Mode::JointStereo {
+ for i in 0..self.js_start {
+ for j in 0..BAND_SIZE {
+ self.block[1][i * BAND_SIZE + j] = self.block[0][(i * 2 + 1) * BAND_SIZE + j];
+ self.block[0][i * BAND_SIZE + j] = self.block[0][(i * 2) * BAND_SIZE + j];
+ }
+ }
+ let scale_idx = (self.js_bits as usize) - 2;
+ let scale_off = (1 << self.js_bits) as usize;
+ for i in self.js_start..self.subbands {
+ let idx = self.decouple[COOK_CPL_BAND[i] as usize] as usize;
+ let doff = i * BAND_SIZE;
+ let soff = (i + self.js_start) * BAND_SIZE;
+ let m1 = COOK_CPL_SCALES[scale_idx][ 1 + idx];
+ let m2 = COOK_CPL_SCALES[scale_idx][scale_off - 1 - idx];
+ for j in 0..BAND_SIZE {
+ self.block[0][doff + j] = self.block[0][soff + j] * m1;
+ self.block[1][doff + j] = self.block[0][soff + j] * m2;
+ }
+ }
+ for i in (self.subbands * BAND_SIZE)..MAX_SAMPLES {
+ self.block[0][i] = 0.0;
+ self.block[1][i] = 0.0;
+ }
+ self.gains[1] = self.gains[0];
+ self.prev_gains[1] = self.prev_gains[0];
+ }
+ for ch in 0..self.mode.get_channels() {
+ let off = abuf.get_offset(ch + self.start_ch);
+ let mut adata = abuf.get_abuf_f32().unwrap();
+ let mut output = adata.get_data_mut();
+ let dst = &mut output[off..];
+
+ dsp.imdct.imdct(&self.block[ch], &mut dsp.out);
+
+ let prev_gain = dsp.pow_tab[(self.prev_gains[ch][0] + 64) as usize];
+ let mut cur_gain = 0.0;
+ let mut cur_gain2 = 0.0;
+ let mut gain_idx = 0;
+ let eighthmask = (self.samples >> 3) - 1;
+ for (i, out) in dst.iter_mut().take(self.samples).enumerate() {
+ *out = dsp.out[i + self.samples] * prev_gain * dsp.window[i]
+ - self.delay[ch][i] * dsp.window[self.samples - i - 1];
+ if (i & eighthmask) == 0 {
+ if (self.gains[ch][gain_idx] == 0) && (self.gains[ch][gain_idx + 1] == 0) {
+ cur_gain = 1.0;
+ cur_gain2 = 1.0;
+ } else {
+ cur_gain = dsp.pow_tab[(self.gains[ch][gain_idx] + 64) as usize];
+ cur_gain2 = dsp.gain_tab[(self.gains[ch][gain_idx + 1] - self.gains[ch][gain_idx] + 11) as usize];
+ }
+ gain_idx += 1;
+ }
+ *out *= cur_gain;
+ cur_gain *= cur_gain2;
+ }
+ for i in 0..self.samples { self.delay[ch][i] = dsp.out[i]; }
+ }
+ Ok(())
+ }
+}
+
+const COOK_VQ_GROUP_SIZE: [usize; 7] = [ 2, 2, 2, 4, 4, 5, 5 ];
+const COOK_NUM_VQ_GROUPS: [usize; 7] = [ 10, 10, 10, 5, 5, 4, 4 ];
+const COOK_VQ_INV_RADIX: [u32; 7] = [ 74899, 104858, 149797, 209716, 262144, 349526, 524288 ];
+const COOK_VQ_MULT: [u32; 7] = [ 13, 9, 6, 4, 3, 2, 1 ];
+fn unpack_band(br: &mut BitReader, codebooks: &Codebooks, coef_index: &mut [u8; BAND_SIZE], coef_sign: &mut [bool; BAND_SIZE], cat: usize) -> DecoderResult<()> {
+ let cb = &codebooks.vq_cb[cat];
+ let group_size = COOK_VQ_GROUP_SIZE[cat];
+ let mult = COOK_VQ_MULT[cat] + 1;
+ for i in 0..COOK_NUM_VQ_GROUPS[cat] {
+ let ret = br.read_cb(cb);
+ let mut val;
+ if let Ok(v) = ret {
+ val = v as u32;
+ } else {
+ let left = br.left() as u32;
+ br.skip(left)?;
+ break;
+ }
+ let mut nnz = 0;
+ for j in (0..group_size).rev() {
+ let t = (val * COOK_VQ_INV_RADIX[cat]) >> 20;
+ coef_index[i * group_size + j] = (val - t * mult) as u8;
+ if coef_index[i * group_size + j] != 0 {
+ nnz += 1;
+ }
+ val = t;
+ }
+ if (br.left() as usize) < nnz {
+ let left = br.left() as u32;
+ br.skip(left)?;
+ break;
+ }
+ for j in 0..group_size {
+ if coef_index[i * group_size + j] != 0 {
+ coef_sign[i * group_size + j] = br.read_bool()?;
+ } else {
+ coef_sign[i * group_size + j] = false;
+ }
+ }
+ }
+ Ok(())
+}
+
+struct RND {
+ state: u32,
+}
+
+impl RND {
+ fn new() -> Self {
+ Self { state: 0xC0DECC00 }
+ }
+ fn get_sign(&mut self) -> bool {
+ self.state = (self.state & 0xFFFF).wrapping_mul(36969).wrapping_add(self.state >> 16);
+ (self.state & 0x10000) != 0
+ }
+}
+
+struct CookDecoder {
+ info: Rc<NACodecInfo>,
+ chmap: NAChannelMap,
+ src: [u8; 65536],
+ num_pairs: usize,
+ pairs: [CookChannelPair; MAX_PAIRS],
+ channels: usize,
+ samples: usize,
+ codebooks: Codebooks,
+ rnd: RND,
+ dsp: CookDSP,
+}
+
+impl CookDecoder {
+ fn new() -> Self {
+ CookDecoder {
+ info: NACodecInfo::new_dummy(),
+ chmap: NAChannelMap::new(),
+ src: [0; 65536],
+ num_pairs: 0,
+ channels: 0,
+ samples: 0,
+ pairs: [CookChannelPair::new(); MAX_PAIRS],
+ codebooks: Codebooks::new(),
+ rnd: RND::new(),
+ dsp: CookDSP::new(1024),
+ }
+ }
+}
+
+impl NADecoder for CookDecoder {
+ fn init(&mut self, info: Rc<NACodecInfo>) -> DecoderResult<()> {
+ if let NACodecTypeInfo::Audio(ainfo) = info.get_properties() {
+ let edata = info.get_extradata().unwrap();
+ validate!(edata.len() >= 4);
+
+ let mut mr = MemoryReader::new_read(&edata);
+ let mut br = ByteReader::new(&mut mr);
+ let ver = br.peek_u32be()?;
+
+ let maj_ver = ver >> 24;
+ let mut chmap: u32 = 0;
+ match maj_ver {
+ 1 => {
+ self.num_pairs = 1;
+ self.pairs[0].read_hdr_v1(&mut br)?;
+ self.channels = self.pairs[0].mode.get_channels();
+ if ainfo.get_channels() == 1 { // forced mono
+ self.channels = 1;
+ chmap = 0x4;
+ } else {
+ chmap = 0x3;
+ }
+ },
+ 2 => {
+ self.num_pairs = (edata.len() - (br.tell() as usize)) / 20;
+ validate!(self.num_pairs <= MAX_PAIRS);
+ let mut start_ch = 0;
+ for i in 0..self.num_pairs {
+ let pair_chmap = self.pairs[i].read_hdr_v2(&mut br)?;
+ self.pairs[i].start_ch = start_ch;
+ validate!((chmap & pair_chmap) == 0);
+ start_ch += self.pairs[i].mode.get_channels();
+ }
+ self.channels = start_ch;
+ },
+ _ => { return Err(DecoderError::InvalidData); }
+ };
+
+ self.samples = self.pairs[0].samples / self.pairs[0].mode.get_channels();
+ validate!((self.samples >= 16) && (self.samples <= 1024));
+ if self.samples != self.dsp.size {
+ self.dsp = CookDSP::new(self.samples);
+ }
+ self.chmap = NAChannelMap::from_ms_mapping(chmap);
+
+ for i in 1..self.num_pairs {
+ validate!((self.pairs[i].samples / self.pairs[i].mode.get_channels()) == self.samples);
+ }
+
+ let vector_bits = match self.samples {
+ 16 | 32 | 64 | 128 | 256 => 5,
+ 512 => 6,
+ 1024 => 7,
+ _ => unreachable!(),
+ };
+ for pair in self.pairs.iter_mut() {
+ match pair.mode {
+ Mode::Mono => {
+ pair.vector_bits = 5;
+ },
+ Mode::Stereo => {
+ pair.vector_bits = 5;
+ pair.samples >>= 1;
+ },
+ Mode::JointStereo => {
+ pair.vector_bits = vector_bits;
+ pair.samples >>= 1;
+ },
+ };
+ }
+
+ let ainfo = NAAudioInfo::new(ainfo.get_sample_rate(), self.channels as u8,
+ SND_F32P_FORMAT, self.samples);
+ self.info = info.replace_info(NACodecTypeInfo::Audio(ainfo));
+
+ Ok(())
+ } else {
+ Err(DecoderError::InvalidData)
+ }
+ }
+ fn decode(&mut self, pkt: &NAPacket) -> DecoderResult<NAFrameRef> {
+ let info = pkt.get_stream().get_info();
+ validate!(info.get_properties().is_audio());
+ let pktbuf = pkt.get_buffer();
+ validate!(pktbuf.len() > self.num_pairs * 2);
+
+ let mut seg_size: [usize; MAX_PAIRS] = [0; MAX_PAIRS];
+ let mut seg_start: [usize; MAX_PAIRS+1] = [0; MAX_PAIRS+1];
+
+ let ainfo = self.info.get_properties().get_audio_info().unwrap();
+
+ seg_size[0] = pktbuf.len() - (self.num_pairs - 1);
+ for i in 1..self.num_pairs {
+ seg_size[i] = (pktbuf[pktbuf.len() - self.num_pairs + i] as usize) * 2;
+ validate!(seg_size[i] != 0);
+ let ret = seg_size[0].checked_sub(seg_size[i]);
+ if let Some(val) = ret {
+ seg_size[0] = val;
+ } else {
+ return Err(DecoderError::InvalidData);
+ }
+ }
+ validate!(seg_size[0] != 0);
+ seg_start[0] = 0;
+ for i in 0..self.num_pairs {
+ seg_start[i + 1] = seg_start[i] + seg_size[i];
+ }
+
+ let mut abuf = alloc_audio_buffer(ainfo, self.samples, self.chmap.clone())?;
+
+ for pair in 0..self.num_pairs {
+ self.pairs[pair].decode(&mut self.dsp, &mut self.rnd, &self.codebooks, &pktbuf[seg_start[pair]..seg_start[pair + 1]], &mut self.src, &mut abuf)?;
+ }
+
+ let mut frm = NAFrame::new_from_pkt(pkt, self.info.replace_info(NACodecTypeInfo::Audio(ainfo)), abuf);
+ frm.set_keyframe(true);
+ Ok(Rc::new(RefCell::new(frm)))
+ }
+}
+
+pub fn get_decoder() -> Box<NADecoder> {
+ Box::new(CookDecoder::new())
+}
+
+#[cfg(test)]
+mod test {
+ use test::dec_video::*;
+ #[test]
+ fn test_cook() {
+// let file = "assets/RV/rv30_weighted_mc.rm";
+ let file = "assets/RV/multichannel.rma";
+ test_decode_audio("realmedia", file, Some(2000), "cook");
+ }
+}
+
+const COOK_XOR_KEY: [u8; 4] = [ 0x37, 0xC5, 0x11, 0xF2 ];
+
+const COOK_CPL_2BITS_BITS: &[u8; 3] = &[ 2, 1, 2 ];
+const COOK_CPL_2BITS_CODES: &[u16; 3] = &[ 0x02, 0x00, 0x03 ];
+const COOK_CPL_3BITS_BITS: &[u8; 7] = &[ 6, 5, 2, 1, 3, 4, 6 ];
+const COOK_CPL_3BITS_CODES: &[u16; 7] = &[ 0x3e, 0x1e, 0x02, 0x00, 0x06, 0x0e, 0x3f ];
+const COOK_CPL_4BITS_BITS: &[u8; 15] = &[ 8, 8, 7, 6, 5, 4, 3, 1, 3, 4, 5, 6, 7, 8, 8 ];
+const COOK_CPL_4BITS_CODES: &[u16; 15] = &[
+ 0xfc, 0xfd, 0x7c, 0x3c, 0x1c, 0x0c, 0x04, 0x00,
+ 0x05, 0x0d, 0x1d, 0x3d, 0x7d, 0xfe, 0xff
+];
+const COOK_CPL_5BITS_BITS: &[u8; 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
+];
+const COOK_CPL_5BITS_CODES: &[u16; 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
+];
+const COOK_CPL_6BITS_BITS: &[u8; 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
+];
+const COOK_CPL_6BITS_CODES: &[u16; 63] = &[
+ 0xFFFE, 0x7FFE, 0x3FFC, 0x1FFC, 0x0FFC, 0x07F6, 0x07F7, 0x07F8,
+ 0x07F9, 0x03F2, 0x03F3, 0x03F4, 0x03F5, 0x01F0, 0x01F1, 0x01F2,
+ 0x01F3, 0x01F4, 0x00F0, 0x00F1, 0x00F2, 0x00F3, 0x0070, 0x0071,
+ 0x0072, 0x0073, 0x0034, 0x0035, 0x0016, 0x0017, 0x0004, 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
+];
+
+const COOK_QUANT_BITS: [&[u8; 24]; 13] = [
+ &[ 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 ],
+];
+const COOK_QUANT_CODES: [&[u16; 24]; 13] = [
+ &[ 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 ],
+];
+
+const COOK_VQ0_BITS: &[u8; 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
+];
+const COOK_VQ0_CODES: &[u16; 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
+];
+const COOK_VQ1_BITS: &[u8; 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
+];
+const COOK_VQ1_CODES: &[u16; 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
+];
+const COOK_VQ2_BITS: &[u8; 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
+];
+const COOK_VQ2_CODES: &[u16; 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
+];
+const COOK_VQ3_BITS: &[u8; 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
+];
+const COOK_VQ3_CODES: &[u16; 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
+];
+const COOK_VQ4_BITS: &[u8; 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
+];
+const COOK_VQ4_CODES: &[u16; 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
+];
+const COOK_VQ5_BITS: &[u8; 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
+];
+const COOK_VQ5_CODES: &[u16; 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
+];
+const COOK_VQ6_BITS: &[u8; 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
+];
+const COOK_VQ6_CODES: &[u16; 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
+];
+
+const COOK_CPL_SCALE2: &[f32; 5] = &[
+ 1.0, 0.953020632266998, 0.70710676908493, 0.302905440330505, 0.0
+];
+const COOK_CPL_SCALE3: &[f32; 9] = &[
+ 1.0, 0.981279790401459, 0.936997592449188, 0.875934481620789, 0.70710676908493,
+ 0.482430040836334, 0.349335819482803, 0.192587479948997, 0.0
+];
+const COOK_CPL_SCALE4: &[f32; 17] = &[
+ 1.0, 0.991486728191376, 0.973249018192291, 0.953020632266998, 0.930133521556854,
+ 0.903453230857849, 0.870746195316315, 0.826180458068848, 0.70710676908493,
+ 0.563405573368073, 0.491732746362686, 0.428686618804932, 0.367221474647522,
+ 0.302905440330505, 0.229752898216248, 0.130207896232605, 0.0
+];
+const COOK_CPL_SCALE5: &[f32; 33] = &[
+ 1.0, 0.995926380157471, 0.987517595291138, 0.978726446628571, 0.969505727291107,
+ 0.95979779958725, 0.949531257152557, 0.938616216182709, 0.926936149597168,
+ 0.914336204528809, 0.900602877140045, 0.885426938533783, 0.868331849575043,
+ 0.84851086139679, 0.824381768703461, 0.791833400726318, 0.70710676908493,
+ 0.610737144947052, 0.566034197807312, 0.529177963733673, 0.495983630418777,
+ 0.464778542518616, 0.434642940759659, 0.404955863952637, 0.375219136476517,
+ 0.344963222742081, 0.313672333955765, 0.280692428350449, 0.245068684220314,
+ 0.205169528722763, 0.157508864998817, 0.0901700109243393, 0.0
+];
+const COOK_CPL_SCALE6: &[f32; 65] = &[
+ 1.0, 0.998005926609039, 0.993956744670868, 0.989822506904602, 0.985598564147949,
+ 0.981279790401459, 0.976860702037811, 0.972335040569305, 0.967696130275726,
+ 0.962936460971832, 0.958047747612000, 0.953020632266998, 0.947844684123993,
+ 0.942508161067963, 0.936997592449188, 0.931297719478607, 0.925390899181366,
+ 0.919256627559662, 0.912870943546295, 0.906205296516418, 0.899225592613220,
+ 0.891890347003937, 0.884148240089417, 0.875934481620789, 0.867165684700012,
+ 0.857730865478516, 0.847477376461029, 0.836184680461884, 0.823513329029083,
+ 0.808890223503113, 0.791194140911102, 0.767520070075989, 0.707106769084930,
+ 0.641024887561798, 0.611565053462982, 0.587959706783295, 0.567296981811523,
+ 0.548448026180267, 0.530831515789032, 0.514098942279816, 0.498019754886627,
+ 0.482430040836334, 0.467206478118896, 0.452251672744751, 0.437485188245773,
+ 0.422837972640991, 0.408248275518417, 0.393658757209778, 0.379014074802399,
+ 0.364258885383606, 0.349335819482803, 0.334183186292648, 0.318732559680939,
+ 0.302905440330505, 0.286608695983887, 0.269728302955627, 0.252119421958923,
+ 0.233590632677078, 0.213876649737358, 0.192587479948997, 0.169101938605309,
+ 0.142307326197624, 0.109772264957428, 0.0631198287010193, 0.0
+];
+const COOK_CPL_SCALES: [&[f32]; 5] = [
+ COOK_CPL_SCALE2, COOK_CPL_SCALE3, COOK_CPL_SCALE4, COOK_CPL_SCALE5, COOK_CPL_SCALE6
+];
+
+const COOK_CPL_BAND: [u8; MAX_SUBBANDS - 1] = [
+ 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
+];
+
+const COOK_DITHER_TAB: [f32; 9] = [ 0.0, 0.0, 0.0, 0.0, 0.0, 0.176777, 0.25, 0.707107, 1.0 ];
+
+const COOK_QUANT_CENTROID: [[f32; 14]; 7] = [
+ [ 0.000, 0.392, 0.761, 1.120, 1.477, 1.832, 2.183, 2.541, 2.893, 3.245, 3.598, 3.942, 4.288, 4.724 ],
+ [ 0.000, 0.544, 1.060, 1.563, 2.068, 2.571, 3.072, 3.562, 4.070, 4.620, 0.000, 0.000, 0.000, 0.000 ],
+ [ 0.000, 0.746, 1.464, 2.180, 2.882, 3.584, 4.316, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000 ],
+ [ 0.000, 1.006, 2.000, 2.993, 3.985, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000 ],
+ [ 0.000, 1.321, 2.703, 3.983, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000 ],
+ [ 0.000, 1.657, 3.491, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000 ],
+ [ 0.000, 1.964, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000 ]
+];
+
+const COOK_EXP_BITS: [i32; NUM_CATEGORIES] = [ 52, 47, 43, 37, 29, 22, 16, 0 ];
projects / nihav.git / commitdiff