3 use nihav_core::codecs::*;
4 use nihav_core::codecs::blockdsp::*;
5 use nihav_core::io::bitreader::*;
6 use nihav_core::io::codebook::*;
7 use nihav_core::io::intcode::*;
8 use super::vpcommon::*;
10 #[derive(Clone,Copy,Debug,PartialEq)]
17 fn map_idx(idx: usize) -> u8 {
22 dc_cb: [Codebook<u8>; 5],
23 ac_i_cb: [Codebook<u8>; 5],
24 ac_p_cb: [Codebook<u8>; 5],
25 mbtype_cb: Codebook<VPMBType>,
28 fn map_mbt(idx: usize) -> VPMBType {
34 let mut dc_cb: [Codebook<u8>; 5];
35 let mut ac_i_cb: [Codebook<u8>; 5];
36 let mut ac_p_cb: [Codebook<u8>; 5];
37 let mut cr = TableCodebookDescReader::new(&VP30_MBTYPE_CODES, &VP30_MBTYPE_BITS, map_mbt);
38 let mbtype_cb = Codebook::new(&mut cr, CodebookMode::MSB).unwrap();
40 dc_cb = mem::uninitialized();
41 ac_i_cb = mem::uninitialized();
42 ac_p_cb = mem::uninitialized();
44 let mut cr = TableCodebookDescReader::new(&VP30_DC_CODES[i], &VP30_DC_BITS[i], map_idx);
45 let cb = Codebook::new(&mut cr, CodebookMode::MSB).unwrap();
46 ptr::write(&mut dc_cb[i], cb);
47 let mut cr = TableCodebookDescReader::new(&VP30_AC_INTRA_CODES[i], &VP30_AC_INTRA_BITS[i], map_idx);
48 let cb = Codebook::new(&mut cr, CodebookMode::MSB).unwrap();
49 ptr::write(&mut ac_i_cb[i], cb);
50 let mut cr = TableCodebookDescReader::new(&VP30_AC_INTER_CODES[i], &VP30_AC_INTER_BITS[i], map_idx);
51 let cb = Codebook::new(&mut cr, CodebookMode::MSB).unwrap();
52 ptr::write(&mut ac_p_cb[i], cb);
55 Self { dc_cb, ac_i_cb, ac_p_cb, mbtype_cb }
60 dc_cb: [Codebook<u8>; 16],
61 ac0_cb: [Codebook<u8>; 16],
62 ac1_cb: [Codebook<u8>; 16],
63 ac2_cb: [Codebook<u8>; 16],
64 ac3_cb: [Codebook<u8>; 16],
69 let mut dc_cb: [Codebook<u8>; 16];
70 let mut ac0_cb: [Codebook<u8>; 16];
71 let mut ac1_cb: [Codebook<u8>; 16];
72 let mut ac2_cb: [Codebook<u8>; 16];
73 let mut ac3_cb: [Codebook<u8>; 16];
75 dc_cb = mem::uninitialized();
76 ac0_cb = mem::uninitialized();
77 ac1_cb = mem::uninitialized();
78 ac2_cb = mem::uninitialized();
79 ac3_cb = mem::uninitialized();
81 let mut cr = TableCodebookDescReader::new(&VP31_DC_CODES[i], &VP31_DC_BITS[i], map_idx);
82 let cb = Codebook::new(&mut cr, CodebookMode::MSB).unwrap();
83 ptr::write(&mut dc_cb[i], cb);
85 let mut cr = TableCodebookDescReader::new(&VP31_AC_CAT0_CODES[i], &VP31_AC_CAT0_BITS[i], map_idx);
86 let cb = Codebook::new(&mut cr, CodebookMode::MSB).unwrap();
87 ptr::write(&mut ac0_cb[i], cb);
88 let mut cr = TableCodebookDescReader::new(&VP31_AC_CAT1_CODES[i], &VP31_AC_CAT1_BITS[i], map_idx);
89 let cb = Codebook::new(&mut cr, CodebookMode::MSB).unwrap();
90 ptr::write(&mut ac1_cb[i], cb);
91 let mut cr = TableCodebookDescReader::new(&VP31_AC_CAT2_CODES[i], &VP31_AC_CAT2_BITS[i], map_idx);
92 let cb = Codebook::new(&mut cr, CodebookMode::MSB).unwrap();
93 ptr::write(&mut ac2_cb[i], cb);
94 let mut cr = TableCodebookDescReader::new(&VP31_AC_CAT3_CODES[i], &VP31_AC_CAT3_BITS[i], map_idx);
95 let cb = Codebook::new(&mut cr, CodebookMode::MSB).unwrap();
96 ptr::write(&mut ac3_cb[i], cb);
99 Self { dc_cb, ac0_cb, ac1_cb, ac2_cb, ac3_cb }
101 fn new_vp4() -> VP31Codes {
102 let mut dc_cb: [Codebook<u8>; 16];
103 let mut ac0_cb: [Codebook<u8>; 16];
104 let mut ac1_cb: [Codebook<u8>; 16];
105 let mut ac2_cb: [Codebook<u8>; 16];
106 let mut ac3_cb: [Codebook<u8>; 16];
108 dc_cb = mem::uninitialized();
109 ac0_cb = mem::uninitialized();
110 ac1_cb = mem::uninitialized();
111 ac2_cb = mem::uninitialized();
112 ac3_cb = mem::uninitialized();
114 let mut cr = TableCodebookDescReader::new(&VP40_DC_CODES[i], &VP40_DC_BITS[i], map_idx);
115 let cb = Codebook::new(&mut cr, CodebookMode::MSB).unwrap();
116 ptr::write(&mut dc_cb[i], cb);
118 let mut cr = TableCodebookDescReader::new(&VP40_AC_CAT0_CODES[i], &VP40_AC_CAT0_BITS[i], map_idx);
119 let cb = Codebook::new(&mut cr, CodebookMode::MSB).unwrap();
120 ptr::write(&mut ac0_cb[i], cb);
121 let mut cr = TableCodebookDescReader::new(&VP40_AC_CAT1_CODES[i], &VP40_AC_CAT1_BITS[i], map_idx);
122 let cb = Codebook::new(&mut cr, CodebookMode::MSB).unwrap();
123 ptr::write(&mut ac1_cb[i], cb);
124 let mut cr = TableCodebookDescReader::new(&VP40_AC_CAT2_CODES[i], &VP40_AC_CAT2_BITS[i], map_idx);
125 let cb = Codebook::new(&mut cr, CodebookMode::MSB).unwrap();
126 ptr::write(&mut ac2_cb[i], cb);
127 let mut cr = TableCodebookDescReader::new(&VP40_AC_CAT3_CODES[i], &VP40_AC_CAT3_BITS[i], map_idx);
128 let cb = Codebook::new(&mut cr, CodebookMode::MSB).unwrap();
129 ptr::write(&mut ac3_cb[i], cb);
132 VP31Codes { dc_cb, ac0_cb, ac1_cb, ac2_cb, ac3_cb }
136 struct VP40AuxCodes {
137 mv_x_cb: [Codebook<i8>; 7],
138 mv_y_cb: [Codebook<i8>; 7],
139 mbpat_cb: [Codebook<u8>; 2],
142 fn map_mv(idx: usize) -> i8 {
148 let mut mv_x_cb: [Codebook<i8>; 7];
149 let mut mv_y_cb: [Codebook<i8>; 7];
151 mv_x_cb = mem::uninitialized();
152 mv_y_cb = mem::uninitialized();
154 let mut cr = TableCodebookDescReader::new(&VP40_MV_X_CODES[i], &VP40_MV_X_BITS[i], map_mv);
155 let cb = Codebook::new(&mut cr, CodebookMode::MSB).unwrap();
156 ptr::write(&mut mv_x_cb[i], cb);
157 let mut cr = TableCodebookDescReader::new(&VP40_MV_Y_CODES[i], &VP40_MV_Y_BITS[i], map_mv);
158 let cb = Codebook::new(&mut cr, CodebookMode::MSB).unwrap();
159 ptr::write(&mut mv_y_cb[i], cb);
162 let mut cr0 = TableCodebookDescReader::new(&VP40_MBPAT_CODES[0], &VP40_MBPAT_BITS[0], map_idx);
163 let mut cr1 = TableCodebookDescReader::new(&VP40_MBPAT_CODES[1], &VP40_MBPAT_BITS[1], map_idx);
164 let mbpat_cb = [Codebook::new(&mut cr0, CodebookMode::MSB).unwrap(),
165 Codebook::new(&mut cr1, CodebookMode::MSB).unwrap()];
166 Self { mv_x_cb, mv_y_cb, mbpat_cb }
189 btype: VPMBType::Intra,
199 type ReadRunFunc = fn (&mut BitReader) -> DecoderResult<usize>;
201 const VP31_LONG_RUN_BASE: [usize; 7] = [ 1, 2, 4, 6, 10, 18, 34 ];
202 const VP31_LONG_RUN_BITS: [u8; 7] = [ 0, 1, 1, 2, 3, 4, 12 ];
203 fn read_long_run(br: &mut BitReader) -> DecoderResult<usize> {
204 let pfx = br.read_code(UintCodeType::LimitedUnary(6, 0))? as usize;
205 if pfx == 0 { return Ok(1); }
206 Ok(VP31_LONG_RUN_BASE[pfx] + (br.read(VP31_LONG_RUN_BITS[pfx])? as usize))
209 const VP31_SHORT_RUN_BASE: [usize; 6] = [ 1, 3, 5, 7, 11, 15 ];
210 const VP31_SHORT_RUN_BITS: [u8; 6] = [ 1, 1, 1, 2, 2, 4 ];
211 fn read_short_run(br: &mut BitReader) -> DecoderResult<usize> {
212 let pfx = br.read_code(UintCodeType::LimitedUnary(5, 0))? as usize;
213 Ok(VP31_SHORT_RUN_BASE[pfx] + (br.read(VP31_SHORT_RUN_BITS[pfx])? as usize))
216 fn read_mb_run(br: &mut BitReader) -> DecoderResult<usize> {
217 let pfx = br.read_code(UintCodeType::LimitedUnary(10, 0))? as usize;
218 if pfx == 10 { unimplemented!(); }
222 let base = (1 << (pfx - 1)) + 1;
223 let bits = (pfx - 1) as u8;
224 let add_bits = br.read(bits)? as usize;
229 struct BitRunDecoder {
232 read_run: ReadRunFunc,
236 fn new(br: &mut BitReader, read_run: ReadRunFunc) -> DecoderResult<Self> {
237 let value = !br.read_bool()?; // it will be flipped before run decoding
238 Ok(Self { value, run: 0, read_run })
240 fn get_val(&mut self, br: &mut BitReader) -> DecoderResult<bool> {
242 self.value = !self.value;
243 self.run = (self.read_run)(br)?;
250 const VP30_NE0_BITS: [u8; 5] = [ 2, 2, 3, 4, 8 ];
251 const VP30_NE0_BASE: [usize; 5] = [ 1, 5, 9, 17, 33 ];
252 fn vp30_read_ne_run0(br: &mut BitReader) -> DecoderResult<usize> {
253 let len = br.read_code(UintCodeType::LimitedUnary(4, 0))? as usize;
254 Ok(VP30_NE0_BASE[len] + (br.read(VP30_NE0_BITS[len])? as usize))
256 fn vp30_read_ne_run1(br: &mut BitReader) -> DecoderResult<usize> {
257 let len = br.read_code(UintCodeType::LimitedUnary(6, 0))? as usize;
259 Ok((br.read(1)? as usize) + 1)
263 Ok((br.read(8)? as usize) + 8)
266 fn vp30_read_coded_run0(br: &mut BitReader) -> DecoderResult<usize> {
267 let len = br.read_code(UintCodeType::LimitedUnary(5, 0))? as usize;
277 10010 - 7 + get_bits(3)
278 101100 - 15 + get_bits(5)
279 1011010 - 47 + get_bits(8)
280 1011011 - 303 + get_bits(16)
282 const VP30_CRUN1_LUT: [u8; 32] = [
283 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11,
284 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11,
285 0x34, 0x34, 0x75, 0x55, 0x44, 0x44, 0x85, 0x65,
286 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22
288 fn vp30_read_coded_run1(br: &mut BitReader) -> DecoderResult<usize> {
289 let idx = br.peek(5) as usize;
290 let sym = (VP30_CRUN1_LUT[idx] >> 4) as usize;
291 let bits = VP30_CRUN1_LUT[idx] & 0xF;
292 br.skip(bits as u32)?;
296 Ok(7 + (br.read(3)? as usize))
298 let len = br.read_code(UintCodeType::Unary012)?;
300 0 => Ok(15 + (br.read(5)? as usize)),
301 1 => Ok(47 + (br.read(8)? as usize)),
302 _ => Ok(303 + (br.read(16)? as usize)),
308 info: NACodecInfoRef,
318 aux_codes: Option<VP40AuxCodes>,
320 mc_buf: NAVideoBufferRef<u8>,
324 mb_partial: Vec<bool>,
335 blk_addr: Vec<usize>,
337 sb_info: Vec<SBState>,
343 fn vp30_read_mv_comp(br: &mut BitReader) -> DecoderResult<i16> {
344 let mode = br.read(2)?;
345 if mode == 0 { return Ok(0); }
346 let sign = br.read_bool()?;
347 let val = match mode - 1 {
349 1 => 2 + (br.read(2)? as i16),
350 _ => br.read(5)? as i16,
359 fn vp30_read_mv(br: &mut BitReader) -> DecoderResult<MV> {
360 let x = vp30_read_mv_comp(br)?;
361 let y = vp30_read_mv_comp(br)?;
365 fn read_mv_comp_packed(br: &mut BitReader) -> DecoderResult<i16> {
366 let code = br.read(3)?;
371 3 => if br.read_bool()? { Ok(-2) } else { Ok(2) },
372 4 => if br.read_bool()? { Ok(-3) } else { Ok(3) },
374 let val = (br.read(2)? as i16) + 4;
382 let val = (br.read(3)? as i16) + 8;
390 let val = (br.read(4)? as i16) + 16;
400 fn read_mv_packed(br: &mut BitReader) -> DecoderResult<MV> {
401 let x = read_mv_comp_packed(br)?;
402 let y = read_mv_comp_packed(br)?;
406 fn read_mv_comp_raw(br: &mut BitReader) -> DecoderResult<i16> {
407 let val = br.read(5)? as i16;
415 fn read_mv_raw(br: &mut BitReader) -> DecoderResult<MV> {
416 let x = read_mv_comp_raw(br)?;
417 let y = read_mv_comp_raw(br)?;
421 fn rescale_qmat(dst_qmat: &mut [i16; 64], base_qmat: &[i16; 64], dc_quant: i16, ac_quant: i16, minval: i16) {
422 for (dst, src) in dst_qmat.iter_mut().zip(base_qmat.iter()) {
423 *dst = (src.wrapping_mul(ac_quant) / 100).max(minval) << 2;
425 dst_qmat[0] = (base_qmat[0] * dc_quant / 100).max(minval * 2) << 2;
428 fn expand_token(blk: &mut Block, br: &mut BitReader, eob_run: &mut usize, token: u8) -> DecoderResult<()> {
431 0 | 1 | 2 => { *eob_run = (token as usize) + 1; },
433 let bits = token - 1;
434 *eob_run = (br.read(bits)? as usize) + (1 << bits);
436 6 => { *eob_run = br.read(12)? as usize; },
439 let bits = if token == 7 { 3 } else { 6 };
440 let run = (br.read(bits)? as usize) + 1;
442 validate!(blk.idx <= 64);
444 // single coefficients
445 9 | 10 | 11 | 12 => {
446 let val = (i16::from(token) - 7) >> 1;
447 if (token & 1) == 1 {
448 blk.coeffs[ZIGZAG[blk.idx]] = val;
450 blk.coeffs[ZIGZAG[blk.idx]] = -val;
454 13 | 14 | 15 | 16 => {
455 let val = i16::from(token) - 10;
456 if !br.read_bool()? {
457 blk.coeffs[ZIGZAG[blk.idx]] = val;
459 blk.coeffs[ZIGZAG[blk.idx]] = -val;
463 17 | 18 | 19 | 20 | 21 | 22 => {
464 let add_bits = if token == 22 { 9 } else { token - 16 };
465 let sign = br.read_bool()?;
466 let val = (br.read(add_bits)? as i16) + VP3_LITERAL_BASE[(token - 17) as usize];
468 blk.coeffs[ZIGZAG[blk.idx]] = val;
470 blk.coeffs[ZIGZAG[blk.idx]] = -val;
474 // zero run plus coefficient
475 23 | 24 | 25 | 26 | 27 => {
476 blk.idx += (token - 22) as usize;
477 validate!(blk.idx < 64);
478 if !br.read_bool()? {
479 blk.coeffs[ZIGZAG[blk.idx]] = 1;
481 blk.coeffs[ZIGZAG[blk.idx]] = -1;
486 let run_bits = token - 26;
492 let sign = br.read_bool()?;
493 blk.idx += br.read(run_bits)? as usize;
494 validate!(blk.idx < 64);
496 blk.coeffs[ZIGZAG[blk.idx]] = 1;
498 blk.coeffs[ZIGZAG[blk.idx]] = -1;
504 validate!(blk.idx < 64);
505 let sign = br.read_bool()?;
506 let val = (br.read(1)? as i16) + 2;
508 blk.coeffs[ZIGZAG[blk.idx]] = val;
510 blk.coeffs[ZIGZAG[blk.idx]] = -val;
515 let sign = br.read_bool()?;
516 let val = (br.read(1)? as i16) + 2;
517 blk.idx += (br.read(1)? as usize) + 2;
518 validate!(blk.idx < 64);
520 blk.coeffs[ZIGZAG[blk.idx]] = val;
522 blk.coeffs[ZIGZAG[blk.idx]] = -val;
530 } else if (token > 8) && (blk.idx > 1) {
536 macro_rules! fill_dc_pred {
537 ($self: expr, $ref_id: expr, $pred: expr, $pp: expr, $bit: expr, $idx: expr) => {
538 if $self.blocks[$idx].coded && $self.blocks[$idx].btype.get_ref_id() == $ref_id {
539 $pred[$bit] = $self.blocks[$idx].coeffs[0] as i32;
545 fn vp31_loop_filter_v(frm: &mut NASimpleVideoFrame<u8>, x: usize, y: usize, plane: usize, loop_str: i16) {
546 let off = frm.offset[plane] + x + y * frm.stride[plane];
547 vp31_loop_filter(frm.data, off, 1, frm.stride[plane], 8, loop_str);
550 fn vp31_loop_filter_h(frm: &mut NASimpleVideoFrame<u8>, x: usize, y: usize, plane: usize, loop_str: i16) {
551 let off = frm.offset[plane] + x + y * frm.stride[plane];
552 vp31_loop_filter(frm.data, off, frm.stride[plane], 1, 8, loop_str);
555 fn vp3_mv_mode(mvx: i16, mvy: i16) -> usize {
556 let mode = ((mvx & 1) + (mvy & 1) * 2) as usize;
557 if (mode == 3) && (mvx ^ mvy < 0) {
565 fn new(version: u8) -> Self {
566 let vt = alloc_video_buffer(NAVideoInfo::new(24, 24, false, YUV420_FORMAT), 4).unwrap();
567 let mc_buf = vt.get_vbuf().unwrap();
569 info: NACodecInfoRef::default(),
577 shuf: VPShuffler::new(),
584 mb_coded: Vec::new(),
585 mb_partial: Vec::new(),
597 blk_addr: Vec::new(),
600 sb_blocks: Vec::new(),
602 mb_blocks: Vec::new(),
605 fn parse_header(&mut self, br: &mut BitReader) -> DecoderResult<()> {
606 self.is_intra = !br.read_bool()?;
608 self.quant = br.read(6)? as usize;
611 validate!(self.version == 3 || self.version == 30);
612 let mb_w = br.read(8)? as usize;
613 let mb_h = br.read(8)? as usize;
614 println!(" VP30 {}x{} ({}x{})", mb_w, mb_h, self.mb_w, self.mb_h);
615 validate!(mb_w == self.mb_w && mb_h == self.mb_h);
616 if self.version == 3 {
618 self.codes = Codes::VP30(VP30Codes::new());
621 let version = br.read(13)?;
622 println!("intra, ver {} (self {})", version, self.version);
623 let coding_type = br.read(1)?;
624 validate!(coding_type == 0);
627 validate!(self.version == 3 || self.version == 31);
628 if self.version == 3 {
630 self.codes = Codes::VP31(VP31Codes::new());
632 } else if version == 3 {
633 validate!(self.version == 4);
634 let mb_h = br.read(8)? as usize;
635 let mb_w = br.read(8)? as usize;
636 //println!(" VP40 {}x{} ({}x{})", mb_w, mb_h, self.mb_w, self.mb_h);
637 validate!(mb_w == self.mb_w && mb_h == self.mb_h);
638 let fact1 = br.read(5)?;
639 let fact2 = br.read(3)?;
640 validate!(fact1 == 1 && fact2 == 1);
641 let fact1 = br.read(5)?;
642 let fact2 = br.read(3)?;
643 validate!(fact1 == 1 && fact2 == 1);
646 return Err(DecoderError::InvalidData);
650 self.loop_str = if self.version != 4 {
651 VP31_LOOP_STRENGTH[self.quant]
653 VP40_LOOP_STRENGTH[self.quant]
655 //println!("decode frame({},{},{})", self.is_intra as u8, self.is_intra as u8, self.quant);
658 fn vp30_unpack_sb_info(&mut self, br: &mut BitReader) -> DecoderResult<()> {
659 let mut has_nonempty = false;
661 let mut bit = !br.read_bool()?;
663 for sb in self.sb_info.iter_mut() {
666 run = if bit { vp30_read_ne_run1(br)? } else { vp30_read_ne_run0(br)? };
668 *sb = if bit { has_nonempty = true; SBState::Partial } else { SBState::Uncoded };
674 for el in self.mb_coded.iter_mut() { *el = false; }
675 let mut bit = !br.read_bool()?;
677 let mut mbiter = self.mb_coded.iter_mut();
678 for (sb, nmb) in self.sb_info.iter_mut().zip(self.sb_mbs.iter()) {
679 let nmbs = *nmb as usize;
680 if *sb == SBState::Partial {
684 run = if bit { vp30_read_coded_run1(br)? } else { vp30_read_coded_run0(br)? };
687 *mbiter.next().unwrap() = bit;
691 mbiter.next().unwrap();
696 let mut bit = !br.read_bool()?;
699 for (coded, nblk) in self.mb_coded.iter().zip(self.mb_blocks.iter()) {
700 let nblks = *nblk as usize;
702 let mut cb = [false; 4];
706 run = if bit { vp30_read_coded_run1(br)? } else { vp30_read_coded_run0(br)? };
712 let addr = self.blk_addr[cur_blk + j] >> 2;
713 self.blocks[addr].coded = cb[j];
722 fn vp30_unpack_mb_info(&mut self, br: &mut BitReader) -> DecoderResult<()> {
724 if let Codes::VP30(ref codes) = self.codes {
725 for (sb, nblk) in self.sb_info.iter_mut().zip(self.sb_blocks.iter()).take(self.y_sbs) {
726 let nblks = *nblk as usize;
727 if *sb == SBState::Uncoded {
729 self.blocks[self.blk_addr[cur_blk] >> 2].btype = VPMBType::InterNoMV;
733 for _ in 0..nblks/4 {
734 let mut coded = *sb == SBState::Coded;
737 if self.blocks[self.blk_addr[cur_blk + blk] >> 2].coded {
743 let mode = if !coded {
746 br.read_cb(&codes.mbtype_cb)?
749 self.blocks[self.blk_addr[cur_blk] >> 2].btype = mode;
756 return Err(DecoderError::Bug);
758 // replicate types for chroma
760 let mut off_u = self.y_blocks;
761 let mut off_v = off_u + self.mb_w * self.mb_h;
762 for _blk_y in 0..self.mb_h {
763 for blk_x in 0..self.mb_w {
764 let btype = self.blocks[off_y + blk_x * 2].btype;
765 self.blocks[off_u + blk_x].btype = btype;
766 self.blocks[off_v + blk_x].btype = btype;
768 off_y += self.mb_w * 2 * 2;
774 fn vp30_unpack_mv_info(&mut self, br: &mut BitReader) -> DecoderResult<()> {
775 let mut last_mv = ZERO_MV;
778 for _ in 0..self.y_blocks/4 {
779 let baddr = self.blk_addr[cur_blk] >> 2;
780 if self.blocks[baddr].btype == VPMBType::InterFourMV {
781 let saddr = baddr.min(self.blk_addr[cur_blk + 1] >> 2).min(self.blk_addr[cur_blk + 2] >> 2).min(self.blk_addr[cur_blk + 3] >> 2);
783 let blk = &mut self.blocks[saddr + (i & 1) + (i & 2) * self.mb_w];
785 blk.mv = vp30_read_mv(br)?;
791 match self.blocks[baddr].btype {
792 VPMBType::Intra | VPMBType::InterNoMV | VPMBType::GoldenNoMV => {
795 VPMBType::InterMV => {
796 cur_mv = vp30_read_mv(br)?;
799 VPMBType::InterNearest => {
803 cur_mv = vp30_read_mv(br)?;
807 self.blocks[self.blk_addr[cur_blk] >> 2].mv = cur_mv;
814 fn vp30_unpack_coeffs(&mut self, br: &mut BitReader, coef_no: usize, table: usize) -> DecoderResult<()> {
815 if let Codes::VP30(ref codes) = self.codes {
816 for blkaddr in self.blk_addr.iter() {
817 let blk: &mut Block = &mut self.blocks[blkaddr >> 2];
818 if !blk.coded || blk.idx != coef_no { continue; }
819 if self.eob_run > 0 {
824 let cb = if coef_no == 0 {
826 } else if blk.btype.is_intra() {
827 &codes.ac_i_cb[table]
829 &codes.ac_p_cb[table]
831 let token = br.read_cb(cb)?;
832 expand_token(blk, br, &mut self.eob_run, token)?;
836 Err(DecoderError::Bug)
839 fn vp31_unpack_sb_info(&mut self, br: &mut BitReader) -> DecoderResult<()> {
840 let mut has_uncoded = false;
841 let mut has_partial = false;
843 let mut brun = BitRunDecoder::new(br, read_long_run)?;
844 for sb in self.sb_info.iter_mut() {
845 if brun.get_val(br)? {
846 *sb = SBState::Partial;
849 *sb = SBState::Uncoded;
855 let mut brun = BitRunDecoder::new(br, read_long_run)?;
857 for (sb, nblk) in self.sb_info.iter_mut().zip(self.sb_blocks.iter()) {
858 let nblks = *nblk as usize;
859 if *sb != SBState::Partial && brun.get_val(br)? {
860 *sb = SBState::Coded;
862 let blk_idx = self.blk_addr[cur_blk] >> 2;
863 self.blocks[blk_idx].coded = true;
868 let blk_idx = self.blk_addr[cur_blk] >> 2;
869 self.blocks[blk_idx].coded = false;
876 let mut brun = BitRunDecoder::new(br, read_short_run)?;
878 for (sb, nblk) in self.sb_info.iter_mut().zip(self.sb_blocks.iter()) {
879 let nblks = *nblk as usize;
880 if *sb == SBState::Partial {
882 let blk_idx = self.blk_addr[cur_blk] >> 2;
883 self.blocks[blk_idx].coded = brun.get_val(br)?;
893 fn vp31_unpack_mb_info(&mut self, br: &mut BitReader) -> DecoderResult<()> {
894 let mut modes = [VPMBType::InterNoMV; 8];
895 let alphabet = br.read(3)? as usize;
896 let raw_modes = alphabet >= 7;
898 for mode in VP31_DEFAULT_MB_MODES.iter() {
899 modes[br.read(3)? as usize] = *mode;
901 } else if alphabet < 7 {
902 modes.copy_from_slice(&VP31_MB_MODES[alphabet - 1]);
906 for (sb, nblk) in self.sb_info.iter_mut().zip(self.sb_blocks.iter()).take(self.y_sbs) {
907 let nblks = *nblk as usize;
908 if *sb == SBState::Uncoded {
910 self.blocks[self.blk_addr[cur_blk] >> 2].btype = VPMBType::InterNoMV;
914 for _ in 0..nblks/4 {
915 let mut coded = *sb == SBState::Coded;
918 if self.blocks[self.blk_addr[cur_blk + blk] >> 2].coded {
924 let mode = if !coded {
926 } else if !raw_modes {
927 let code = br.read_code(UintCodeType::LimitedUnary(7, 0))?;
930 VP31_DEFAULT_MB_MODES[br.read(3)? as usize]
933 self.blocks[self.blk_addr[cur_blk] >> 2].btype = mode;
939 // replicate types for chroma
941 let mut off_u = self.y_blocks;
942 let mut off_v = off_u + self.mb_w * self.mb_h;
943 for _blk_y in 0..self.mb_h {
944 for blk_x in 0..self.mb_w {
945 let btype = self.blocks[off_y + blk_x * 2].btype;
946 self.blocks[off_u + blk_x].btype = btype;
947 self.blocks[off_v + blk_x].btype = btype;
949 off_y += self.mb_w * 2 * 2;
955 fn vp31_unpack_mv_info(&mut self, br: &mut BitReader) -> DecoderResult<()> {
956 let mut last_mv = ZERO_MV;
957 let mut last2_mv = ZERO_MV;
958 let read_mv = if br.read_bool()? { read_mv_raw } else { read_mv_packed };
961 for _ in 0..self.y_blocks/4 {
962 if self.blocks[self.blk_addr[cur_blk] >> 2].btype == VPMBType::InterFourMV {
964 let blk = &mut self.blocks[self.blk_addr[cur_blk] >> 2];
966 blk.mv = (read_mv)(br)?;
974 match self.blocks[self.blk_addr[cur_blk] >> 2].btype {
975 VPMBType::Intra | VPMBType::InterNoMV | VPMBType::GoldenNoMV => {
978 VPMBType::InterMV => {
979 cur_mv = (read_mv)(br)?;
983 VPMBType::InterNearest => {
986 VPMBType::InterNear => {
988 std::mem::swap(&mut last_mv, &mut last2_mv);
991 cur_mv = (read_mv)(br)?;
995 self.blocks[self.blk_addr[cur_blk] >> 2].mv = cur_mv;
1002 fn vp31_unpack_coeffs(&mut self, br: &mut BitReader, coef_no: usize, table_y: usize, table_c: usize) -> DecoderResult<()> {
1003 if let Codes::VP31(ref codes) = self.codes {
1004 let cbs = if coef_no == 0 {
1005 [&codes.dc_cb[table_y], &codes.dc_cb[table_c]]
1006 } else if coef_no < 6 {
1007 [&codes.ac0_cb[table_y], &codes.ac0_cb[table_c]]
1008 } else if coef_no < 15 {
1009 [&codes.ac1_cb[table_y], &codes.ac1_cb[table_c]]
1010 } else if coef_no < 28 {
1011 [&codes.ac2_cb[table_y], &codes.ac2_cb[table_c]]
1013 [&codes.ac3_cb[table_y], &codes.ac3_cb[table_c]]
1015 for blkaddr in self.blk_addr.iter() {
1016 let blk: &mut Block = &mut self.blocks[blkaddr >> 2];
1017 if !blk.coded || blk.idx != coef_no { continue; }
1018 if self.eob_run > 0 {
1023 let cb = if (blkaddr & 3) == 0 { cbs[0] } else { cbs[1] };
1024 let token = br.read_cb(cb)?;
1025 expand_token(blk, br, &mut self.eob_run, token)?;
1029 Err(DecoderError::Bug)
1032 fn vp40_unpack_sb_info(&mut self, br: &mut BitReader) -> DecoderResult<()> {
1033 let mut has_uncoded = false;
1035 if let Some(ref aux_codes) = self.aux_codes {
1036 for el in self.sb_info.iter_mut() {
1037 *el = SBState::Partial;
1040 let mut mbiter = self.mb_coded.iter_mut();
1041 let mut brun = BitRunDecoder::new(br, read_mb_run)?;
1042 for nmb in self.sb_mbs.iter() {
1043 let nmbs = *nmb as usize;
1045 let coded = brun.get_val(br)?;
1046 *mbiter.next().unwrap() = coded;
1047 has_uncoded |= !coded;
1052 let mut mbiter = self.mb_coded.iter().zip(self.mb_partial.iter_mut());
1053 let mut brun = BitRunDecoder::new(br, read_mb_run)?;
1054 for nmb in self.sb_mbs.iter() {
1055 let nmbs = *nmb as usize;
1057 let (coded, partial) = mbiter.next().unwrap();
1061 *partial = brun.get_val(br)?;
1067 let mut cur_blk = 0;
1068 for ((coded, partial), nblk) in self.mb_coded.iter().zip(self.mb_partial.iter()).zip(self.mb_blocks.iter()) {
1069 let nblks = *nblk as usize;
1072 let addr = self.blk_addr[cur_blk] >> 2;
1073 self.blocks[addr].coded = true;
1076 } else if !*partial {
1078 let addr = self.blk_addr[cur_blk] >> 2;
1079 self.blocks[addr].coded = false;
1083 let mut pat = br.read_cb(&aux_codes.mbpat_cb[bpmode])? + 1;
1084 bpmode = VP40_BP_PREDICTOR[pat as usize] as usize;
1086 let mut addrs = [0; 4];
1088 addrs[i] = self.blk_addr[cur_blk + i] >> 2;
1089 for j in (0..i).rev() {
1090 if addrs[j] > addrs[j + 1] {
1091 addrs.swap(j, j + 1);
1096 self.blocks[addrs[i]].coded = (pat & 8) != 0;
1105 Err(DecoderError::Bug)
1108 fn vp40_unpack_mv_info(&mut self, br: &mut BitReader) -> DecoderResult<()> {
1109 let mut last_mv = ZERO_MV;
1110 let mut last2_mv = ZERO_MV;
1111 let mut last_mv_g = ZERO_MV;
1113 let mut cur_blk = 0;
1114 if let Some(ref codes) = self.aux_codes {
1115 for _ in 0..self.y_blocks/4 {
1116 if self.blocks[self.blk_addr[cur_blk] >> 2].btype == VPMBType::InterFourMV {
1117 let x_cb = &codes.mv_x_cb[VP40_MV_LUT_INDEX[last_mv.x.abs() as usize]];
1118 let y_cb = &codes.mv_y_cb[VP40_MV_LUT_INDEX[last_mv.y.abs() as usize]];
1119 let x_sign = last_mv.x < 0;
1120 let y_sign = last_mv.y < 0;
1122 let saddr = (self.blk_addr[cur_blk] >> 2).min(self.blk_addr[cur_blk + 1] >> 2).min(self.blk_addr[cur_blk + 2] >> 2).min(self.blk_addr[cur_blk + 3] >> 2);
1124 let blk = &mut self.blocks[saddr + (i & 1) + (i >> 1) * self.mb_w];
1125 blk.mv.x = br.read_cb(x_cb)? as i16;
1127 blk.mv.x = -blk.mv.x;
1129 blk.mv.y = br.read_cb(y_cb)? as i16;
1131 blk.mv.y = -blk.mv.y;
1138 match self.blocks[self.blk_addr[cur_blk] >> 2].btype {
1139 VPMBType::Intra | VPMBType::InterNoMV | VPMBType::GoldenNoMV => {
1142 VPMBType::InterMV => {
1143 let x_cb = &codes.mv_x_cb[VP40_MV_LUT_INDEX[last_mv.x.abs() as usize]];
1144 let y_cb = &codes.mv_y_cb[VP40_MV_LUT_INDEX[last_mv.y.abs() as usize]];
1145 let x_sign = last_mv.x < 0;
1146 let y_sign = last_mv.y < 0;
1147 let x = br.read_cb(x_cb)? as i16;
1148 let y = br.read_cb(y_cb)? as i16;
1149 cur_mv = MV { x: if !x_sign { x } else { -x }, y: if !y_sign { y } else { -y } };
1153 VPMBType::InterNearest => {
1156 VPMBType::InterNear => {
1158 std::mem::swap(&mut last_mv, &mut last2_mv);
1161 let x_cb = &codes.mv_x_cb[VP40_MV_LUT_INDEX[last_mv_g.x.abs() as usize]];
1162 let y_cb = &codes.mv_y_cb[VP40_MV_LUT_INDEX[last_mv_g.y.abs() as usize]];
1163 let x_sign = last_mv_g.x < 0;
1164 let y_sign = last_mv_g.y < 0;
1165 let x = br.read_cb(x_cb)? as i16;
1166 let y = br.read_cb(y_cb)? as i16;
1167 cur_mv = MV { x: if !x_sign { x } else { -x }, y: if !y_sign { y } else { -y } };
1172 self.blocks[self.blk_addr[cur_blk] >> 2].mv = cur_mv;
1179 Err(DecoderError::Bug)
1182 fn vp40_unpack_coeffs(&mut self, br: &mut BitReader, dc_table_y: usize, dc_table_c: usize, ac_table_y: usize, ac_table_c: usize) -> DecoderResult<()> {
1183 const VP40_PRED_MASKS: [usize; 16] = [ // top, bottom, left, right
1184 0b1010, 0b1010, 0b1000, 0b1011,
1185 0b1010, 0b1010, 0b0010, 0b1111,
1186 0b0010, 0b1010, 0b0010, 0b0110,
1187 0b0100, 0b0111, 0b1110, 0b1110
1189 self.last_dc = [0; 3];
1190 if let Codes::VP31(ref codes) = self.codes {
1191 let mut coef_eob: [usize; 64] = [0; 64];
1192 for (blkaddr, bsub) in self.blk_addr.iter().zip(self.blk_sub.iter()) {
1193 let blk: &mut Block = &mut self.blocks[blkaddr >> 2];
1194 if !blk.coded { continue; }
1195 let mut idx = blkaddr >> 2;
1196 let (bx, by) = if (blkaddr & 3) == 0 {
1197 (idx % (self.mb_w * 2), idx / (self.mb_w * 2))
1199 idx -= self.mb_w * self.mb_h * 4;
1200 if idx >= self.mb_w * self.mb_h {
1201 idx -= self.mb_w * self.mb_h;
1203 (idx % self.mb_w, idx / self.mb_w)
1205 while blk.idx < 64 {
1206 if coef_eob[blk.idx] > 0 {
1207 coef_eob[blk.idx] -= 1;
1211 let cbs = if blk.idx == 0 {
1212 [&codes.dc_cb[dc_table_y], &codes.dc_cb[dc_table_c]]
1213 } else if blk.idx < 6 {
1214 [&codes.ac0_cb[ac_table_y], &codes.ac0_cb[ac_table_c]]
1215 } else if blk.idx < 15 {
1216 [&codes.ac1_cb[ac_table_y], &codes.ac1_cb[ac_table_c]]
1217 } else if blk.idx < 28 {
1218 [&codes.ac2_cb[ac_table_y], &codes.ac2_cb[ac_table_c]]
1220 [&codes.ac3_cb[ac_table_y], &codes.ac3_cb[ac_table_c]]
1222 let cb = if (blkaddr & 3) == 0 { cbs[0] } else { cbs[1] };
1223 let token = br.read_cb(cb)?;
1224 expand_token(blk, br, &mut coef_eob[blk.idx], token)?;
1225 if blk.idx == 64 { break; }
1227 let idx = blkaddr >> 2;
1228 let mask = VP40_PRED_MASKS[*bsub as usize];
1229 if (blkaddr & 3) == 0 {
1230 let pred_dc = self.vp40_predict_dc(bx, by, self.mb_w * 2, self.mb_h * 2, idx, mask, true);
1231 let blk: &mut Block = &mut self.blocks[blkaddr >> 2];
1232 blk.coeffs[0] += pred_dc;
1233 self.last_dc[blk.btype.get_ref_id() as usize] = blk.coeffs[0];
1235 let pred_dc = self.vp40_predict_dc(bx, by, self.mb_w, self.mb_h, idx, mask, false);
1236 let blk: &mut Block = &mut self.blocks[blkaddr >> 2];
1237 blk.coeffs[0] += pred_dc;
1238 self.last_dc[blk.btype.get_ref_id() as usize] = blk.coeffs[0];
1243 Err(DecoderError::Bug)
1246 fn decode_vp30(&mut self, br: &mut BitReader, frm: &mut NASimpleVideoFrame<u8>) -> DecoderResult<()> {
1247 for blk in self.blocks.iter_mut() {
1248 blk.coeffs = [0; 64];
1254 for sb in self.sb_info.iter_mut() { *sb = SBState::Coded; }
1255 for blk in self.blocks.iter_mut() {
1256 blk.btype = VPMBType::Intra;
1260 if self.shuf.get_last().is_none() || self.shuf.get_golden().is_none() {
1261 return Err(DecoderError::MissingReference);
1263 self.vp30_unpack_sb_info(br)?;
1264 self.vp30_unpack_mb_info(br)?;
1265 self.vp30_unpack_mv_info(br)?;
1267 let dc_quant = VP30_DC_SCALES[self.quant] * 10;
1268 let ac_quant = VP30_AC_SCALES[self.quant];
1269 rescale_qmat(&mut self.qmat_y, VP3_QMAT_Y, dc_quant, ac_quant, 2);
1270 rescale_qmat(&mut self.qmat_c, VP3_QMAT_C, dc_quant, ac_quant, 2);
1271 rescale_qmat(&mut self.qmat_y_p, VP3_QMAT_INTER, dc_quant, ac_quant, 4);
1272 if self.quant == 10 {
1273 self.qmat_y[29] = 980;
1274 self.qmat_y[58] = 1636;
1275 self.qmat_y[59] = 1964;
1276 } else if self.quant == 31 {
1277 self.qmat_y[58] = 456;
1278 } else if self.quant == 44 {
1279 self.qmat_y[58] = 224;
1281 self.qmat_c_p.copy_from_slice(&self.qmat_y_p);
1283 let table = if ac_quant <= 50 {
1285 } else if ac_quant <= 150 {
1287 } else if ac_quant <= 300 {
1289 } else if ac_quant <= 600 {
1296 self.vp30_unpack_coeffs(br, 0, table)?;
1297 let mut last_dc_i = 0;
1298 let mut last_dc_p = 0;
1299 for blkaddr in self.blk_addr.iter() {
1300 let blk: &mut Block = &mut self.blocks[blkaddr >> 2];
1301 if !blk.coded { continue; }
1302 if blk.btype.is_intra() {
1303 blk.coeffs[0] += last_dc_i;
1304 last_dc_i = blk.coeffs[0];
1306 blk.coeffs[0] += last_dc_p;
1307 last_dc_p = blk.coeffs[0];
1311 for coef_no in 1..64 {
1312 self.vp30_unpack_coeffs(br, coef_no, table)?;
1316 self.output_blocks_intra(frm);
1318 self.output_blocks_inter(frm);
1323 fn decode_vp31(&mut self, br: &mut BitReader, frm: &mut NASimpleVideoFrame<u8>) -> DecoderResult<()> {
1324 for blk in self.blocks.iter_mut() {
1325 blk.coeffs = [0; 64];
1331 for sb in self.sb_info.iter_mut() { *sb = SBState::Coded; }
1332 for blk in self.blocks.iter_mut() {
1333 blk.btype = VPMBType::Intra;
1337 if self.shuf.get_last().is_none() || self.shuf.get_golden().is_none() {
1338 return Err(DecoderError::MissingReference);
1340 self.vp31_unpack_sb_info(br)?;
1341 self.vp31_unpack_mb_info(br)?;
1342 self.vp31_unpack_mv_info(br)?;
1344 let dc_quant = VP31_DC_SCALES[self.quant];
1345 let ac_quant = VP31_AC_SCALES[self.quant];
1346 rescale_qmat(&mut self.qmat_y, VP3_QMAT_Y, dc_quant, ac_quant, 2);
1347 rescale_qmat(&mut self.qmat_c, VP3_QMAT_C, dc_quant, ac_quant, 2);
1348 rescale_qmat(&mut self.qmat_y_p, VP3_QMAT_INTER, dc_quant, ac_quant, 4);
1349 rescale_qmat(&mut self.qmat_c_p, VP3_QMAT_INTER, dc_quant, ac_quant, 4);
1352 let dc_table_y = br.read(4)? as usize;
1353 let dc_table_c = br.read(4)? as usize;
1354 self.vp31_unpack_coeffs(br, 0, dc_table_y, dc_table_c)?;
1357 let ac_table_y = br.read(4)? as usize;
1358 let ac_table_c = br.read(4)? as usize;
1359 for coef_no in 1..64 {
1360 self.vp31_unpack_coeffs(br, coef_no, ac_table_y, ac_table_c)?;
1364 self.output_blocks_intra(frm);
1366 self.output_blocks_inter(frm);
1368 if self.loop_str > 0 {
1369 self.vp31_loop_filter(frm);
1374 fn decode_vp4(&mut self, br: &mut BitReader, frm: &mut NASimpleVideoFrame<u8>) -> DecoderResult<()> {
1375 for blk in self.blocks.iter_mut() {
1376 blk.coeffs = [0; 64];
1382 for sb in self.sb_info.iter_mut() { *sb = SBState::Coded; }
1383 for blk in self.blocks.iter_mut() {
1384 blk.btype = VPMBType::Intra;
1388 if self.shuf.get_last().is_none() || self.shuf.get_golden().is_none() {
1389 return Err(DecoderError::MissingReference);
1391 self.vp40_unpack_sb_info(br)?;
1392 self.vp31_unpack_mb_info(br)?;
1393 self.vp40_unpack_mv_info(br)?;
1395 let dc_y_quant = VP40_DC_Y_SCALES[self.quant];
1396 let dc_c_quant = VP40_DC_C_SCALES[self.quant];
1397 let ac_quant = VP40_AC_SCALES[self.quant];
1398 rescale_qmat(&mut self.qmat_y, VP40_QMAT, dc_y_quant, ac_quant, 2);
1399 rescale_qmat(&mut self.qmat_c, VP40_QMAT, dc_c_quant, ac_quant, 2);
1400 self.qmat_y_p.copy_from_slice(&self.qmat_y);
1401 self.qmat_c_p.copy_from_slice(&self.qmat_c);
1404 let dc_table_y = br.read(4)? as usize;
1405 let dc_table_c = br.read(4)? as usize;
1406 let ac_table_y = br.read(4)? as usize;
1407 let ac_table_c = br.read(4)? as usize;
1408 self.vp40_unpack_coeffs(br, dc_table_y, dc_table_c, ac_table_y, ac_table_c)?;
1411 self.output_blocks_intra(frm);
1413 self.output_blocks_inter(frm);
1418 fn vp31_predict_dc(&self, bx: usize, by: usize, bw: usize, blk_idx: usize) -> i16 {
1419 let mut preds = [0i32; 4];
1420 let mut pp: usize = 0;
1421 let ref_id = self.blocks[blk_idx].btype.get_ref_id();
1422 let is_right = bx == bw - 1;
1424 fill_dc_pred!(self, ref_id, preds, pp, 0, blk_idx - 1);
1426 fill_dc_pred!(self, ref_id, preds, pp, 1, blk_idx - 1 - bw);
1430 fill_dc_pred!(self, ref_id, preds, pp, 2, blk_idx - bw);
1432 fill_dc_pred!(self, ref_id, preds, pp, 3, blk_idx + 1 - bw);
1435 if pp == 0 { return self.last_dc[ref_id as usize]; }
1436 let mut pred = 0i32;
1438 if (pp & (1 << i)) != 0 {
1439 pred += (preds[i] as i32) * (VP31_DC_WEIGHTS[pp][i] as i32);
1442 pred /= VP31_DC_WEIGHTS[pp][4] as i32;
1444 if (pred - preds[2]).abs() > 128 { return preds[2] as i16; }
1445 if (pred - preds[0]).abs() > 128 { return preds[0] as i16; }
1446 if (pred - preds[1]).abs() > 128 { return preds[1] as i16; }
1450 fn vp40_predict_dc(&self, bx: usize, by: usize, bw: usize, bh: usize, blk_idx: usize, mask: usize, is_luma: bool) -> i16 {
1451 let mut preds = [0i32; 4];
1452 let mut pp: usize = 0;
1453 let ref_id = self.blocks[blk_idx].btype.get_ref_id();
1454 if (by > 0) && (((mask >> 3) & 1) == 1) { //top
1455 fill_dc_pred!(self, ref_id, preds, pp, 0, blk_idx - bw);
1457 if (by < bh - 1) && (((mask >> 2) & 1) == 1) { //bottom
1458 fill_dc_pred!(self, ref_id, preds, pp, 1, blk_idx + bw);
1460 if (bx > 0) && (((mask >> 1) & 1) == 1) { //left
1461 fill_dc_pred!(self, ref_id, preds, pp, 2, blk_idx - 1);
1463 if (is_luma && bx == 0 && (by >= 4)) && (((mask >> 1) & 1) == 1) { //left wrap
1464 fill_dc_pred!(self, ref_id, preds, pp, 2, blk_idx - 1 - 3 * bw);
1466 if (bx < bw - 1) && (((mask >> 0) & 1) == 1) { //right
1467 fill_dc_pred!(self, ref_id, preds, pp, 3, blk_idx + 1);
1469 if pp == 0 { return self.last_dc[ref_id as usize]; }
1470 let mut pred = 0i32;
1473 if (pp & (1 << i)) != 0 {
1474 pred += preds[i] as i32;
1477 return (pred / 2) as i16;
1481 self.last_dc[ref_id as usize]
1483 fn restore_dcs(&mut self) {
1484 let blk_stride = self.mb_w * 2;
1485 let mut blk_idx = 0;
1486 self.last_dc = [0; 3];
1487 for by in 0..self.mb_h*2 {
1488 for bx in 0..self.mb_w*2 {
1489 if !self.blocks[blk_idx + bx].coded { continue; }
1490 let dc = self.vp31_predict_dc(bx, by, self.mb_w*2, blk_idx + bx);
1491 self.blocks[blk_idx + bx].coeffs[0] += dc;
1492 self.last_dc[self.blocks[blk_idx + bx].btype.get_ref_id() as usize] = self.blocks[blk_idx + bx].coeffs[0];
1494 blk_idx += blk_stride;
1496 let blk_stride = self.mb_w;
1497 for _plane in 1..3 {
1498 self.last_dc = [0; 3];
1499 for by in 0..self.mb_h {
1500 for bx in 0..self.mb_w {
1501 if !self.blocks[blk_idx + bx].coded { continue; }
1502 let dc = self.vp31_predict_dc(bx, by, self.mb_w, blk_idx + bx);
1503 self.blocks[blk_idx + bx].coeffs[0] += dc;
1504 self.last_dc[self.blocks[blk_idx + bx].btype.get_ref_id() as usize] = self.blocks[blk_idx + bx].coeffs[0];
1506 blk_idx += blk_stride;
1510 fn output_blocks_intra(&mut self, frm: &mut NASimpleVideoFrame<u8>) {
1511 let mut biter = self.blocks.iter_mut();
1512 for by in 0..self.mb_h*2 {
1513 for bx in 0..self.mb_w*2 {
1514 let mut blk = biter.next().unwrap();
1515 let qmat = &self.qmat_y;
1516 blk.coeffs[0] *= qmat[0];
1518 unquant(&mut blk.coeffs, qmat);
1519 vp_put_block(&mut blk.coeffs, bx, by, 0, frm);
1521 vp_put_block_dc(&mut blk.coeffs, bx, by, 0, frm);
1526 for by in 0..self.mb_h {
1527 for bx in 0..self.mb_w {
1528 let mut blk = biter.next().unwrap();
1529 let qmat = &self.qmat_c;
1530 blk.coeffs[0] *= qmat[0];
1532 unquant(&mut blk.coeffs, qmat);
1533 vp_put_block(&mut blk.coeffs, bx, by, plane, frm);
1535 vp_put_block_dc(&mut blk.coeffs, bx, by, plane, frm);
1541 fn output_blocks_inter(&mut self, frm: &mut NASimpleVideoFrame<u8>) {
1542 let mut blk_idx = 0;
1543 let bstride = self.mb_w * 2;
1544 for by in (0..self.mb_h*2).step_by(2) {
1545 for bx in (0..self.mb_w*2).step_by(2) {
1546 if self.blocks[blk_idx + bx].btype != VPMBType::InterFourMV {
1549 let mvs = [ self.blocks[blk_idx + bx].mv,
1550 self.blocks[blk_idx + bx + 1].mv,
1551 self.blocks[blk_idx + bx + bstride].mv,
1552 self.blocks[blk_idx + bx + 1 + bstride].mv ];
1553 let mut mv_sum = mvs[0] + mvs[1] + mvs[2] + mvs[3];
1554 mv_sum.x = (mv_sum.x + 2) >> 2;
1555 mv_sum.y = (mv_sum.y + 2) >> 2;
1557 let src = self.shuf.get_last().unwrap();
1559 let xoff = (i & 1) * 8;
1560 let yoff = (i >> 1) * 8;
1562 let mode = vp3_mv_mode(mvs[i].x, mvs[i].y);
1563 if self.version != 4 {
1564 copy_block(frm, src.clone(), 0, bx * 8 + xoff, by * 8 + yoff,
1565 mvs[i].x >> 1, mvs[i].y >> 1, 8, 8, 0, 1, mode, VP3_INTERP_FUNCS);
1567 vp_copy_block(frm, src.clone(), 0, bx * 8 + xoff, by * 8 + yoff,
1568 mvs[i].x >> 1, mvs[i].y >> 1, 0, 1, self.loop_str,
1569 mode, VP3_INTERP_FUNCS, self.mc_buf.clone());
1573 let mx = (mv_sum.x >> 1) | (mv_sum.x & 1);
1574 let my = (mv_sum.y >> 1) | (mv_sum.y & 1);
1575 let mode = vp3_mv_mode(mx, my);
1576 copy_block(frm, src.clone(), 1, bx * 4, by * 4, mx >> 1, my >> 1, 8, 8, 0, 1, mode, VP3_INTERP_FUNCS);
1577 copy_block(frm, src.clone(), 2, bx * 4, by * 4, mx >> 1, my >> 1, 8, 8, 0, 1, mode, VP3_INTERP_FUNCS);
1579 blk_idx += bstride * 2;
1582 let mut biter = self.blocks.iter_mut();
1583 for by in 0..self.mb_h*2 {
1584 for bx in 0..self.mb_w*2 {
1585 let mut blk = biter.next().unwrap();
1586 // do MC for whole macroblock
1587 if !blk.btype.is_intra() && (((bx | by) & 1) == 0) && (blk.btype != VPMBType::InterFourMV) {
1588 let src = if blk.btype.get_ref_id() == 1 {
1589 self.shuf.get_last().unwrap()
1591 self.shuf.get_golden().unwrap()
1593 let mode = vp3_mv_mode(blk.mv.x, blk.mv.y);
1594 if self.version != 4 {
1595 copy_block(frm, src.clone(), 0, bx * 8, by * 8,
1596 blk.mv.x >> 1, blk.mv.y >> 1, 16, 16, 0, 1, mode, VP3_INTERP_FUNCS);
1598 vp_copy_block(frm, src.clone(), 0, bx * 8, by * 8,
1599 blk.mv.x >> 1, blk.mv.y >> 1, 0, 1, self.loop_str,
1600 mode, VP3_INTERP_FUNCS, self.mc_buf.clone());
1601 vp_copy_block(frm, src.clone(), 0, bx * 8 + 8, by * 8,
1602 blk.mv.x >> 1, blk.mv.y >> 1, 0, 1, self.loop_str,
1603 mode, VP3_INTERP_FUNCS, self.mc_buf.clone());
1604 vp_copy_block(frm, src.clone(), 0, bx * 8, by * 8 + 8,
1605 blk.mv.x >> 1, blk.mv.y >> 1, 0, 1, self.loop_str,
1606 mode, VP3_INTERP_FUNCS, self.mc_buf.clone());
1607 vp_copy_block(frm, src.clone(), 0, bx * 8 + 8, by * 8 + 8,
1608 blk.mv.x >> 1, blk.mv.y >> 1, 0, 1, self.loop_str,
1609 mode, VP3_INTERP_FUNCS, self.mc_buf.clone());
1611 let mx = (blk.mv.x >> 1) | (blk.mv.x & 1);
1612 let my = (blk.mv.y >> 1) | (blk.mv.y & 1);
1613 let mode = vp3_mv_mode(mx, my);
1614 if self.version != 4 {
1615 copy_block(frm, src.clone(), 1, bx * 4, by * 4,
1616 mx >> 1, my >> 1, 8, 8, 0, 1, mode, VP3_INTERP_FUNCS);
1617 copy_block(frm, src.clone(), 2, bx * 4, by * 4,
1618 mx >> 1, my >> 1, 8, 8, 0, 1, mode, VP3_INTERP_FUNCS);
1620 vp_copy_block(frm, src.clone(), 1, bx * 4, by * 4,
1621 mx >> 1, my >> 1, 0, 1, self.loop_str,
1622 mode, VP3_INTERP_FUNCS, self.mc_buf.clone());
1623 vp_copy_block(frm, src.clone(), 2, bx * 4, by * 4,
1624 mx >> 1, my >> 1, 0, 1, self.loop_str,
1625 mode, VP3_INTERP_FUNCS, self.mc_buf.clone());
1628 let qmat = if blk.btype.is_intra() { &self.qmat_y } else { &self.qmat_y_p };
1629 blk.coeffs[0] *= qmat[0];
1631 unquant(&mut blk.coeffs, qmat);
1634 copy_block(frm, self.shuf.get_last().unwrap(), 0, bx * 8, by * 8, 0, 0, 8, 8, 0, 1, 0, VP3_INTERP_FUNCS);
1635 } else if blk.btype.is_intra() {
1637 vp_put_block(&mut blk.coeffs, bx, by, 0, frm);
1639 vp_put_block_dc(&mut blk.coeffs, bx, by, 0, frm);
1643 vp_add_block(&mut blk.coeffs, bx, by, 0, frm);
1645 vp_add_block_dc(&mut blk.coeffs, bx, by, 0, frm);
1651 for by in 0..self.mb_h {
1652 for bx in 0..self.mb_w {
1653 let mut blk = biter.next().unwrap();
1654 let qmat = if blk.btype.is_intra() { &self.qmat_c } else { &self.qmat_c_p };
1655 blk.coeffs[0] *= qmat[0];
1657 unquant(&mut blk.coeffs, qmat);
1660 copy_block(frm, self.shuf.get_last().unwrap(), plane, bx * 8, by * 8, 0, 0, 8, 8, 0, 1, 0, VP3_INTERP_FUNCS);
1661 } else if blk.btype.is_intra() {
1663 vp_put_block(&mut blk.coeffs, bx, by, plane, frm);
1665 vp_put_block_dc(&mut blk.coeffs, bx, by, plane, frm);
1669 vp_add_block(&mut blk.coeffs, bx, by, plane, frm);
1671 vp_add_block_dc(&mut blk.coeffs, bx, by, plane, frm);
1678 fn vp31_loop_filter(&mut self, frm: &mut NASimpleVideoFrame<u8>) {
1679 let mut blk_idx = 0;
1680 let blk_w = self.mb_w * 2;
1681 for by in 0..self.mb_h*2 {
1682 for bx in 0..blk_w {
1683 let blk = &self.blocks[blk_idx + bx];
1684 if (bx > 0) && blk.coded {
1685 vp31_loop_filter_v(frm, bx * 8, by * 8, 0, self.loop_str);
1687 if (by > 0) && blk.coded {
1688 vp31_loop_filter_h(frm, bx * 8, by * 8, 0, self.loop_str);
1690 if (bx < blk_w - 1) && !self.blocks[blk_idx + bx + 1].coded {
1691 vp31_loop_filter_v(frm, bx * 8 + 8, by * 8, 0, self.loop_str);
1693 if (by < self.mb_h * 2 - 1) && !self.blocks[blk_idx + bx + blk_w].coded {
1694 vp31_loop_filter_h(frm, bx * 8, by * 8 + 8, 0, self.loop_str);
1699 let blk_w = self.mb_w;
1701 for by in 0..self.mb_h {
1702 for bx in 0..self.mb_w {
1703 let blk = &self.blocks[blk_idx + bx];
1704 if (bx > 0) && blk.coded {
1705 vp31_loop_filter_v(frm, bx * 8, by * 8, plane, self.loop_str);
1707 if (by > 0) && blk.coded {
1708 vp31_loop_filter_h(frm, bx * 8, by * 8, plane, self.loop_str);
1710 if (bx < blk_w - 1) && !self.blocks[blk_idx + bx + 1].coded {
1711 vp31_loop_filter_v(frm, bx * 8 + 8, by * 8, plane, self.loop_str);
1713 if (by < self.mb_h - 1) && !self.blocks[blk_idx + bx + blk_w].coded {
1714 vp31_loop_filter_h(frm, bx * 8, by * 8 + 8, plane, self.loop_str);
1721 fn generate_block_addr(&mut self) {
1722 let sb_w_y = (self.width + 31) >> 5;
1723 let sb_h_y = (self.height + 31) >> 5;
1724 let sb_w_c = ((self.width >> 1) + 31) >> 5;
1725 let sb_h_c = ((self.height >> 1) + 31) >> 5;
1726 self.y_sbs = sb_w_y * sb_h_y;
1727 let tot_sb = sb_w_y * sb_h_y + 2 * sb_w_c * sb_h_c;
1728 let tot_mb = self.mb_w * self.mb_h * 2 + ((self.mb_w + 1) & !1) * ((self.mb_h + 1) & !1) * 2;
1729 let bw = self.width >> 3;
1730 let bh = self.height >> 3;
1731 let tot_blk = bw * bh * 3 / 2;
1732 self.sb_info.resize(tot_sb, SBState::Uncoded);
1733 self.sb_blocks = Vec::with_capacity(tot_sb);
1734 self.mb_blocks = Vec::with_capacity(tot_mb);
1735 self.sb_mbs = Vec::with_capacity(tot_sb);
1736 self.blk_addr = Vec::with_capacity(tot_blk);
1737 self.blk_sub = Vec::with_capacity(tot_blk);
1738 self.y_blocks = bw * bh;
1739 let mut base_idx = 0;
1741 let w = if plane > 0 { self.width >> 1 } else { self.width };
1742 let h = if plane > 0 { self.height >> 1 } else { self.height };
1743 let sb_w = (w + 31) >> 5;
1744 let sb_h = (h + 31) >> 5;
1751 let bx = x * 4 + HILBERT_ORDER[mb_no * 4][0];
1752 let by = y * 4 + HILBERT_ORDER[mb_no * 4][1];
1753 if (bx >= blk_w) || (by >= blk_h) { continue; }
1754 let mut nblocks = 0;
1755 for blk_no in 0..4 {
1756 let bx = x * 4 + HILBERT_ORDER[mb_no * 4 + blk_no][0];
1757 let by = y * 4 + HILBERT_ORDER[mb_no * 4 + blk_no][1];
1758 if (bx >= blk_w) || (by >= blk_h) { continue; }
1761 self.mb_blocks.push(nblocks);
1764 self.sb_mbs.push(nmbs);
1766 let mut nblocks = 0;
1767 for blk_no in 0..16 {
1768 let bx = x * 4 + HILBERT_ORDER[blk_no][0];
1769 let by = y * 4 + HILBERT_ORDER[blk_no][1];
1770 if (bx >= blk_w) || (by >= blk_h) { continue; }
1771 let idx = base_idx + bx + by * blk_w;
1772 self.blk_addr.push(idx * 4 + plane);
1773 self.blk_sub.push(blk_no as u8);
1776 self.sb_blocks.push(nblocks);
1779 base_idx += blk_w * blk_h;
1781 self.blocks.resize(tot_blk, Block::new());
1782 self.mb_coded.resize(tot_mb, false);
1783 self.mb_partial.resize(tot_mb, false);
1787 impl NADecoder for VP34Decoder {
1788 fn init(&mut self, supp: &mut NADecoderSupport, info: NACodecInfoRef) -> DecoderResult<()> {
1789 if let NACodecTypeInfo::Video(vinfo) = info.get_properties() {
1790 let fmt = YUV420_FORMAT;
1791 self.width = vinfo.get_width();
1792 self.height = vinfo.get_height();
1793 validate!(((self.width | self.height) & 15) == 0);
1794 self.mb_w = self.width >> 4;
1795 self.mb_h = self.height >> 4;
1796 let myinfo = NACodecTypeInfo::Video(NAVideoInfo::new(vinfo.get_width(), vinfo.get_height(), true, fmt));
1797 self.info = NACodecInfo::new_ref(info.get_name(), myinfo, info.get_extradata()).into_ref();
1798 supp.pool_u8.set_dec_bufs(3);
1799 supp.pool_u8.prealloc_video(NAVideoInfo::new(vinfo.get_width(), vinfo.get_height(), true, fmt), 4)?;
1801 self.generate_block_addr();
1802 if self.version == 4 {
1803 self.codes = Codes::VP31(VP31Codes::new_vp4());
1804 self.aux_codes = Some(VP40AuxCodes::new());
1808 Err(DecoderError::InvalidData)
1811 fn decode(&mut self, supp: &mut NADecoderSupport, pkt: &NAPacket) -> DecoderResult<NAFrameRef> {
1812 let src = pkt.get_buffer();
1813 validate!(src.len() > 0);
1814 let mut br = BitReader::new(&src, src.len(), BitReaderMode::BE);
1816 self.parse_header(&mut br)?;
1820 if !self.shuf.has_refs() {
1821 return Err(DecoderError::MissingReference);
1825 let ret = supp.pool_u8.get_free();
1827 return Err(DecoderError::AllocError);
1829 let mut buf = ret.unwrap();
1830 let mut dframe = NASimpleVideoFrame::from_video_buf(&mut buf).unwrap();
1831 match self.version {
1832 30 => self.decode_vp30(&mut br, &mut dframe)?,
1833 31 => self.decode_vp31(&mut br, &mut dframe)?,
1834 4 => self.decode_vp4(&mut br, &mut dframe)?,
1835 _ => return Err(DecoderError::Bug),
1839 self.shuf.add_golden_frame(buf.clone());
1841 self.shuf.add_frame(buf.clone());
1843 let mut frm = NAFrame::new_from_pkt(pkt, self.info.clone(), NABufferType::Video(buf));
1844 frm.set_keyframe(self.is_intra);
1845 frm.set_frame_type(if self.is_intra { FrameType::I } else { FrameType::P });
1848 fn flush(&mut self) {
1853 pub fn get_decoder_vp3() -> Box<NADecoder + Send> {
1854 Box::new(VP34Decoder::new(3))
1857 pub fn get_decoder_vp4() -> Box<NADecoder + Send> {
1858 Box::new(VP34Decoder::new(4))
1863 use nihav_core::codecs::RegisteredDecoders;
1864 use nihav_core::demuxers::RegisteredDemuxers;
1865 use nihav_core::test::dec_video::*;
1866 use crate::codecs::duck_register_all_codecs;
1867 use nihav_commonfmt::demuxers::generic_register_all_demuxers;
1871 let mut dmx_reg = RegisteredDemuxers::new();
1872 generic_register_all_demuxers(&mut dmx_reg);
1873 let mut dec_reg = RegisteredDecoders::new();
1874 duck_register_all_codecs(&mut dec_reg);
1876 let file = "assets/Duck/vp30-logo.avi";
1877 test_file_decoding("avi", file, Some(23), true, false, None/*Some("vp30")*/, &dmx_reg, &dec_reg);
1882 let mut dmx_reg = RegisteredDemuxers::new();
1883 generic_register_all_demuxers(&mut dmx_reg);
1884 let mut dec_reg = RegisteredDecoders::new();
1885 duck_register_all_codecs(&mut dec_reg);
1887 let file = "assets/Duck/vp31.avi";
1888 // let file = "assets/Duck/vp31_crash.avi";
1889 // let file = "assets/Duck/01-vp31-0500.avi";
1890 test_file_decoding("avi", file, Some(3), true, false, None/*Some("vp31")*/, &dmx_reg, &dec_reg);
1896 let mut dmx_reg = RegisteredDemuxers::new();
1897 generic_register_all_demuxers(&mut dmx_reg);
1898 let mut dec_reg = RegisteredDecoders::new();
1899 duck_register_all_codecs(&mut dec_reg);
1901 let file = "assets/Duck/ot171_vp40.avi";
1902 test_file_decoding("avi", file, Some(16), true, false, None/*Some("vp4")*/, &dmx_reg, &dec_reg);
1907 const HILBERT_ORDER: [[usize; 2]; 16] = [
1908 [ 0, 0 ], [ 1, 0 ], [ 1, 1 ], [ 0, 1 ],
1909 [ 0, 2 ], [ 0, 3 ], [ 1, 3 ], [ 1, 2 ],
1910 [ 2, 2 ], [ 2, 3 ], [ 3, 3 ], [ 3, 2 ],
1911 [ 3, 1 ], [ 2, 1 ], [ 2, 0 ], [ 3, 0 ]
1914 const VP31_LOOP_STRENGTH: [i16; 64] = [
1915 30, 25, 20, 20, 15, 15, 14, 14,
1916 13, 13, 12, 12, 11, 11, 10, 10,
1917 9, 9, 8, 8, 7, 7, 7, 7,
1918 6, 6, 6, 6, 5, 5, 5, 5,
1919 4, 4, 4, 4, 3, 3, 3, 3,
1920 2, 2, 2, 2, 2, 2, 2, 2,
1921 0, 0, 0, 0, 0, 0, 0, 0,
1922 0, 0, 0, 0, 0, 0, 0, 0
1925 const VP31_DEFAULT_MB_MODES: [VPMBType; 8] = [
1926 VPMBType::InterNoMV, VPMBType::Intra, VPMBType::InterMV, VPMBType::InterNearest,
1927 VPMBType::InterNear, VPMBType::GoldenNoMV, VPMBType::GoldenMV, VPMBType::InterFourMV
1930 const VP31_MB_MODES: [[VPMBType; 8]; 6] = [
1932 VPMBType::InterNearest, VPMBType::InterNear, VPMBType::InterMV, VPMBType::InterNoMV,
1933 VPMBType::Intra, VPMBType::GoldenNoMV, VPMBType::GoldenMV, VPMBType::InterFourMV
1935 VPMBType::InterNearest, VPMBType::InterNear, VPMBType::InterNoMV, VPMBType::InterMV,
1936 VPMBType::Intra, VPMBType::GoldenNoMV, VPMBType::GoldenMV, VPMBType::InterFourMV
1938 VPMBType::InterNearest, VPMBType::InterMV, VPMBType::InterNear, VPMBType::InterNoMV,
1939 VPMBType::Intra, VPMBType::GoldenNoMV, VPMBType::GoldenMV, VPMBType::InterFourMV
1941 VPMBType::InterNearest, VPMBType::InterMV, VPMBType::InterNoMV, VPMBType::InterNear,
1942 VPMBType::Intra, VPMBType::GoldenNoMV, VPMBType::GoldenMV, VPMBType::InterFourMV
1944 VPMBType::InterNoMV, VPMBType::InterNearest, VPMBType::InterNear, VPMBType::InterMV,
1945 VPMBType::Intra, VPMBType::GoldenNoMV, VPMBType::GoldenMV, VPMBType::InterFourMV
1947 VPMBType::InterNoMV, VPMBType::GoldenNoMV, VPMBType::InterNearest, VPMBType::InterNear,
1948 VPMBType::InterMV, VPMBType::Intra, VPMBType::GoldenMV, VPMBType::InterFourMV
1952 const VP3_LITERAL_BASE: [i16; 6] = [ 7, 9, 13, 21, 37, 69 ];
1954 const VP31_AC_SCALES: [i16; 64] = [
1955 500, 450, 400, 370, 340, 310, 285, 265,
1956 245, 225, 210, 195, 185, 180, 170, 160,
1957 150, 145, 135, 130, 125, 115, 110, 107,
1958 100, 96, 93, 89, 85, 82, 75, 74,
1959 70, 68, 64, 60, 57, 56, 52, 50,
1960 49, 45, 44, 43, 40, 38, 37, 35,
1961 33, 32, 30, 29, 28, 25, 24, 22,
1962 21, 19, 18, 17, 15, 13, 12, 10
1965 const VP31_DC_SCALES: [i16; 64] = [
1966 220, 200, 190, 180, 170, 170, 160, 160,
1967 150, 150, 140, 140, 130, 130, 120, 120,
1968 110, 110, 100, 100, 90, 90, 90, 80,
1969 80, 80, 70, 70, 70, 60, 60, 60,
1970 60, 50, 50, 50, 50, 40, 40, 40,
1971 40, 40, 30, 30, 30, 30, 30, 30,
1972 30, 20, 20, 20, 20, 20, 20, 20,
1973 20, 10, 10, 10, 10, 10, 10, 10
1976 const VP3_QMAT_Y: &[i16; 64] = &[
1977 16, 11, 10, 16, 24, 40, 51, 61,
1978 12, 12, 14, 19, 26, 58, 60, 55,
1979 14, 13, 16, 24, 40, 57, 69, 56,
1980 14, 17, 22, 29, 51, 87, 80, 62,
1981 18, 22, 37, 58, 68, 109, 103, 77,
1982 24, 35, 55, 64, 81, 104, 113, 92,
1983 49, 64, 78, 87, 103, 121, 120, 101,
1984 72, 92, 95, 98, 112, 100, 103, 99
1987 const VP3_QMAT_C: &[i16; 64] = &[
1988 17, 18, 24, 47, 99, 99, 99, 99,
1989 18, 21, 26, 66, 99, 99, 99, 99,
1990 24, 26, 56, 99, 99, 99, 99, 99,
1991 47, 66, 99, 99, 99, 99, 99, 99,
1992 99, 99, 99, 99, 99, 99, 99, 99,
1993 99, 99, 99, 99, 99, 99, 99, 99,
1994 99, 99, 99, 99, 99, 99, 99, 99,
1995 99, 99, 99, 99, 99, 99, 99, 99
1998 const VP3_QMAT_INTER: &[i16; 64] = &[
1999 16, 16, 16, 20, 24, 28, 32, 40,
2000 16, 16, 20, 24, 28, 32, 40, 48,
2001 16, 20, 24, 28, 32, 40, 48, 64,
2002 20, 24, 28, 32, 40, 48, 64, 64,
2003 24, 28, 32, 40, 48, 64, 64, 64,
2004 28, 32, 40, 48, 64, 64, 64, 96,
2005 32, 40, 48, 64, 64, 64, 96, 128,
2006 40, 48, 64, 64, 64, 96, 128, 128
2009 const VP31_DC_CODES: [[u16; 32]; 16] = [
2011 0x002D, 0x0026, 0x0166, 0x004E, 0x02CE, 0x059E, 0x027D, 0x0008,
2012 0x04F9, 0x000F, 0x000E, 0x001B, 0x0006, 0x0008, 0x0005, 0x001A,
2013 0x0015, 0x0007, 0x000C, 0x0001, 0x0000, 0x0009, 0x0017, 0x0029,
2014 0x0028, 0x00B2, 0x04F8, 0x059F, 0x009E, 0x013F, 0x0012, 0x0058,
2016 0x0010, 0x0047, 0x01FF, 0x008C, 0x03FC, 0x046A, 0x0469, 0x0022,
2017 0x11A1, 0x000E, 0x000D, 0x0004, 0x0005, 0x0009, 0x0006, 0x001E,
2018 0x0016, 0x0007, 0x000C, 0x0001, 0x0000, 0x000A, 0x0017, 0x007D,
2019 0x007E, 0x011B, 0x08D1, 0x03FD, 0x046B, 0x11A0, 0x007C, 0x00FE,
2021 0x0016, 0x0020, 0x0086, 0x0087, 0x0367, 0x06CC, 0x06CB, 0x006E,
2022 0x366D, 0x000F, 0x000E, 0x0004, 0x0005, 0x000A, 0x0006, 0x001A,
2023 0x0011, 0x0007, 0x000C, 0x0001, 0x0000, 0x0009, 0x0017, 0x006F,
2024 0x006D, 0x0364, 0x0D9A, 0x06CA, 0x1B37, 0x366C, 0x0042, 0x00D8,
2026 0x0000, 0x002D, 0x00F7, 0x0058, 0x0167, 0x02CB, 0x02CA, 0x000E,
2027 0x1661, 0x0003, 0x0002, 0x0008, 0x0009, 0x000D, 0x0002, 0x001F,
2028 0x0017, 0x0001, 0x000C, 0x000E, 0x000A, 0x0006, 0x0078, 0x000F,
2029 0x007A, 0x0164, 0x0599, 0x02CD, 0x0B31, 0x1660, 0x0079, 0x00F6,
2031 0x0003, 0x003C, 0x000F, 0x007A, 0x001D, 0x0020, 0x0072, 0x0006,
2032 0x0399, 0x0004, 0x0005, 0x0005, 0x0006, 0x000E, 0x0004, 0x0000,
2033 0x0019, 0x0002, 0x000D, 0x0007, 0x001F, 0x0030, 0x0011, 0x0031,
2034 0x0005, 0x0021, 0x00E7, 0x0038, 0x01CD, 0x0398, 0x007B, 0x0009,
2036 0x0009, 0x0002, 0x0074, 0x0007, 0x00EC, 0x00D1, 0x01A6, 0x0006,
2037 0x0D21, 0x0005, 0x0006, 0x0008, 0x0007, 0x000F, 0x0004, 0x0000,
2038 0x001C, 0x0002, 0x0005, 0x0003, 0x000C, 0x0035, 0x01A7, 0x001B,
2039 0x0077, 0x01A5, 0x0349, 0x00D0, 0x0691, 0x0D20, 0x0075, 0x00ED,
2041 0x000A, 0x000C, 0x0012, 0x001B, 0x00B7, 0x016C, 0x0099, 0x005A,
2042 0x16D8, 0x0007, 0x0006, 0x0009, 0x0008, 0x0000, 0x0005, 0x0017,
2043 0x000E, 0x0002, 0x0003, 0x000F, 0x001A, 0x004D, 0x2DB3, 0x002C,
2044 0x0011, 0x02DA, 0x05B7, 0x0098, 0x0B6D, 0x2DB2, 0x0010, 0x0027,
2046 0x000D, 0x000F, 0x001D, 0x0008, 0x0051, 0x0056, 0x00AF, 0x002A,
2047 0x148A, 0x0007, 0x0000, 0x0008, 0x0009, 0x000C, 0x0006, 0x0017,
2048 0x000B, 0x0016, 0x0015, 0x0009, 0x0050, 0x00AE, 0x2917, 0x001C,
2049 0x0014, 0x0290, 0x0523, 0x0149, 0x0A44, 0x2916, 0x0053, 0x00A5,
2051 0x0001, 0x001D, 0x00F5, 0x00F4, 0x024D, 0x0499, 0x0498, 0x0001,
2052 0x0021, 0x0006, 0x0005, 0x0006, 0x0005, 0x0002, 0x0007, 0x0025,
2053 0x007B, 0x001C, 0x0020, 0x000D, 0x0048, 0x0092, 0x0127, 0x000E,
2054 0x0004, 0x0011, 0x000C, 0x003C, 0x000F, 0x0000, 0x001F, 0x0013,
2056 0x0005, 0x003C, 0x0040, 0x000D, 0x0031, 0x0061, 0x0060, 0x0002,
2057 0x00F5, 0x0006, 0x0005, 0x0007, 0x0006, 0x0002, 0x0009, 0x0025,
2058 0x0007, 0x0021, 0x0024, 0x0010, 0x0041, 0x00F4, 0x0019, 0x000E,
2059 0x0003, 0x0011, 0x0011, 0x003F, 0x003E, 0x007B, 0x0000, 0x0013,
2061 0x000A, 0x0007, 0x0001, 0x0009, 0x0131, 0x0261, 0x0260, 0x0015,
2062 0x0001, 0x0007, 0x0006, 0x0008, 0x0007, 0x0006, 0x0012, 0x002F,
2063 0x0014, 0x0027, 0x002D, 0x0016, 0x004D, 0x0099, 0x0000, 0x0004,
2064 0x0001, 0x0005, 0x0017, 0x002E, 0x002C, 0x0008, 0x0006, 0x0001,
2066 0x0000, 0x000E, 0x0017, 0x002A, 0x0010, 0x00F9, 0x00F8, 0x001E,
2067 0x003F, 0x0007, 0x0006, 0x0009, 0x0008, 0x0006, 0x000F, 0x0005,
2068 0x0016, 0x0029, 0x002B, 0x0015, 0x0050, 0x0011, 0x007D, 0x0004,
2069 0x0017, 0x0006, 0x0014, 0x002C, 0x002D, 0x000E, 0x0009, 0x0051,
2071 0x0002, 0x0018, 0x002F, 0x000D, 0x0053, 0x0295, 0x0294, 0x00A4,
2072 0x007C, 0x0000, 0x0007, 0x0009, 0x0008, 0x001B, 0x000C, 0x0028,
2073 0x006A, 0x001E, 0x001D, 0x0069, 0x00D7, 0x007D, 0x014B, 0x0019,
2074 0x0016, 0x002E, 0x001C, 0x002B, 0x002A, 0x0068, 0x003F, 0x00D6,
2076 0x0002, 0x001B, 0x000C, 0x0018, 0x0029, 0x007F, 0x02F0, 0x0198,
2077 0x0179, 0x0000, 0x0007, 0x0009, 0x0008, 0x001A, 0x000D, 0x002A,
2078 0x0064, 0x001E, 0x0067, 0x005F, 0x00CD, 0x007E, 0x02F1, 0x0016,
2079 0x000E, 0x002E, 0x0065, 0x002B, 0x0028, 0x003E, 0x00BD, 0x0199,
2081 0x0002, 0x0007, 0x0016, 0x0006, 0x0036, 0x005C, 0x015D, 0x015C,
2082 0x02BF, 0x0000, 0x0007, 0x0009, 0x0008, 0x0018, 0x0034, 0x002A,
2083 0x005E, 0x006A, 0x0064, 0x005D, 0x00CB, 0x00AD, 0x02BE, 0x0014,
2084 0x0033, 0x006E, 0x005F, 0x006F, 0x006B, 0x00CA, 0x00AC, 0x015E,
2086 0x000F, 0x001D, 0x0018, 0x000B, 0x0019, 0x0029, 0x00D6, 0x0551,
2087 0x0AA1, 0x0001, 0x0000, 0x0009, 0x0008, 0x001B, 0x0038, 0x0028,
2088 0x0057, 0x006A, 0x0068, 0x0056, 0x00E5, 0x0155, 0x0AA0, 0x0073,
2089 0x0069, 0x00D7, 0x00AB, 0x00E4, 0x00A9, 0x0151, 0x0150, 0x02A9,
2093 const VP31_DC_BITS: [[u8; 32]; 16] = [
2095 6, 7, 9, 8, 10, 11, 11, 5, 12, 4, 4, 5, 4, 4, 4, 5,
2096 5, 4, 4, 3, 3, 4, 5, 6, 6, 8, 12, 11, 9, 10, 6, 7,
2098 5, 7, 9, 8, 10, 11, 11, 6, 13, 4, 4, 4, 4, 4, 4, 5,
2099 5, 4, 4, 3, 3, 4, 5, 7, 7, 9, 12, 10, 11, 13, 7, 8,
2101 5, 6, 8, 8, 10, 11, 11, 7, 14, 4, 4, 4, 4, 4, 4, 5,
2102 5, 4, 4, 3, 3, 4, 5, 7, 7, 10, 12, 11, 13, 14, 7, 8,
2104 4, 6, 8, 7, 9, 10, 10, 6, 13, 3, 3, 4, 4, 4, 4, 5,
2105 5, 4, 4, 4, 4, 5, 7, 6, 7, 9, 11, 10, 12, 13, 7, 8,
2107 4, 6, 7, 7, 8, 9, 10, 6, 13, 3, 3, 4, 4, 4, 4, 4,
2108 5, 4, 4, 4, 5, 6, 8, 6, 6, 9, 11, 9, 12, 13, 7, 7,
2110 4, 5, 7, 6, 8, 9, 10, 6, 13, 3, 3, 4, 4, 4, 4, 4,
2111 5, 4, 4, 4, 5, 7, 10, 6, 7, 10, 11, 9, 12, 13, 7, 8,
2113 4, 5, 6, 6, 8, 9, 9, 7, 13, 3, 3, 4, 4, 3, 4, 5,
2114 5, 4, 4, 5, 6, 8, 14, 6, 6, 10, 11, 9, 12, 14, 6, 7,
2116 4, 5, 6, 5, 7, 8, 9, 7, 13, 3, 2, 4, 4, 4, 4, 5,
2117 5, 5, 5, 5, 7, 9, 14, 6, 6, 10, 11, 9, 12, 14, 7, 8,
2119 4, 6, 8, 8, 10, 11, 11, 5, 6, 3, 3, 4, 4, 4, 5, 6,
2120 7, 6, 6, 6, 7, 8, 9, 4, 4, 5, 6, 6, 5, 5, 5, 5,
2122 4, 6, 7, 7, 9, 10, 10, 5, 8, 3, 3, 4, 4, 4, 5, 6,
2123 6, 6, 6, 6, 7, 8, 8, 4, 4, 5, 6, 6, 6, 7, 4, 5,
2125 4, 5, 6, 6, 9, 10, 10, 6, 7, 3, 3, 4, 4, 4, 5, 6,
2126 6, 6, 6, 6, 7, 8, 7, 4, 4, 5, 6, 6, 6, 6, 5, 5,
2128 3, 5, 6, 6, 7, 10, 10, 7, 8, 3, 3, 4, 4, 4, 5, 5,
2129 6, 6, 6, 6, 7, 7, 9, 4, 5, 5, 6, 6, 6, 6, 6, 7,
2131 3, 5, 6, 5, 7, 10, 10, 8, 8, 2, 3, 4, 4, 5, 5, 6,
2132 7, 6, 6, 7, 8, 8, 9, 5, 5, 6, 6, 6, 6, 7, 7, 8,
2134 3, 5, 5, 5, 6, 8, 10, 9, 9, 2, 3, 4, 4, 5, 5, 6,
2135 7, 6, 7, 7, 8, 8, 10, 5, 5, 6, 7, 6, 6, 7, 8, 9,
2137 3, 4, 5, 4, 6, 7, 9, 9, 10, 2, 3, 4, 4, 5, 6, 6,
2138 7, 7, 7, 7, 8, 8, 10, 5, 6, 7, 7, 7, 7, 8, 8, 9,
2140 4, 5, 5, 4, 5, 6, 8, 11, 12, 2, 2, 4, 4, 5, 6, 6,
2141 7, 7, 7, 7, 8, 9, 12, 7, 7, 8, 8, 8, 8, 9, 9, 10,
2145 const VP31_AC_CAT0_CODES: [[u16; 32]; 16] = [
2147 0x0008, 0x0025, 0x017A, 0x02F7, 0x0BDB, 0x17B4, 0x2F6B, 0x001D,
2148 0x2F6A, 0x0008, 0x0007, 0x0001, 0x0002, 0x000A, 0x0006, 0x0000,
2149 0x001C, 0x0009, 0x000D, 0x000F, 0x000C, 0x0003, 0x000A, 0x0016,
2150 0x0013, 0x005D, 0x0024, 0x00BC, 0x005C, 0x05EC, 0x000B, 0x005F,
2152 0x000F, 0x0010, 0x004B, 0x00C6, 0x031D, 0x0C71, 0x0C70, 0x0001,
2153 0x0C73, 0x0008, 0x0009, 0x0002, 0x0003, 0x000B, 0x0006, 0x0000,
2154 0x001C, 0x0005, 0x000D, 0x000F, 0x000A, 0x0019, 0x0013, 0x001D,
2155 0x0030, 0x0062, 0x0024, 0x004A, 0x018F, 0x0C72, 0x000E, 0x0011,
2157 0x001B, 0x0003, 0x008D, 0x0040, 0x0239, 0x0471, 0x08E0, 0x0003,
2158 0x11C3, 0x000A, 0x0009, 0x0004, 0x0005, 0x000E, 0x0007, 0x0001,
2159 0x001E, 0x0006, 0x000C, 0x000B, 0x0002, 0x0000, 0x0041, 0x001F,
2160 0x0022, 0x0002, 0x008F, 0x008C, 0x011D, 0x11C2, 0x001A, 0x0021,
2162 0x001F, 0x0003, 0x0003, 0x0043, 0x000B, 0x0015, 0x0051, 0x0003,
2163 0x0050, 0x000D, 0x000C, 0x0004, 0x0006, 0x000E, 0x000A, 0x0001,
2164 0x001E, 0x0005, 0x0009, 0x0007, 0x0011, 0x0002, 0x0004, 0x0002,
2165 0x002D, 0x0020, 0x0042, 0x0001, 0x0000, 0x0029, 0x0017, 0x002C,
2167 0x0003, 0x001F, 0x003A, 0x005D, 0x0173, 0x02E4, 0x172D, 0x0004,
2168 0x172C, 0x000F, 0x000E, 0x0009, 0x0008, 0x000C, 0x000A, 0x0001,
2169 0x0016, 0x0002, 0x0005, 0x001A, 0x002F, 0x0038, 0x05CA, 0x0006,
2170 0x0037, 0x001E, 0x003B, 0x0039, 0x00B8, 0x0B97, 0x0000, 0x0036,
2172 0x0006, 0x0037, 0x005D, 0x000C, 0x00B9, 0x02E3, 0x05C4, 0x0004,
2173 0x1715, 0x0000, 0x000F, 0x0008, 0x0007, 0x000C, 0x0009, 0x001D,
2174 0x0016, 0x001C, 0x001A, 0x000B, 0x005E, 0x0170, 0x1714, 0x000A,
2175 0x000A, 0x0036, 0x005F, 0x001B, 0x001A, 0x0B8B, 0x0002, 0x0007,
2177 0x000C, 0x000B, 0x0079, 0x0022, 0x00F0, 0x0119, 0x0230, 0x001D,
2178 0x08C4, 0x0001, 0x0000, 0x000A, 0x0009, 0x000B, 0x0007, 0x001C,
2179 0x003D, 0x000D, 0x0008, 0x0015, 0x008D, 0x118B, 0x118A, 0x000D,
2180 0x0010, 0x0009, 0x0014, 0x0047, 0x00F1, 0x0463, 0x001F, 0x000C,
2182 0x0000, 0x001A, 0x0033, 0x000C, 0x0046, 0x01E3, 0x03C5, 0x0017,
2183 0x1E21, 0x0002, 0x0001, 0x0009, 0x000A, 0x0007, 0x001B, 0x003D,
2184 0x001B, 0x0022, 0x0079, 0x00F0, 0x1E20, 0x1E23, 0x1E22, 0x000E,
2185 0x0016, 0x0018, 0x0032, 0x001A, 0x0047, 0x0789, 0x001F, 0x0010,
2187 0x001D, 0x0061, 0x004E, 0x009E, 0x027C, 0x09F5, 0x09F4, 0x0003,
2188 0x0060, 0x0000, 0x000F, 0x000B, 0x000A, 0x0009, 0x0005, 0x000D,
2189 0x0031, 0x0008, 0x0038, 0x0012, 0x0026, 0x013F, 0x04FB, 0x000D,
2190 0x0002, 0x000C, 0x0039, 0x001C, 0x000F, 0x001D, 0x0008, 0x0019,
2192 0x0007, 0x0019, 0x00AB, 0x00AA, 0x0119, 0x0461, 0x0460, 0x001B,
2193 0x0047, 0x0001, 0x0000, 0x000C, 0x000B, 0x0009, 0x0005, 0x000D,
2194 0x0035, 0x003D, 0x003C, 0x0018, 0x0022, 0x008D, 0x0231, 0x000E,
2195 0x001F, 0x0009, 0x002B, 0x0010, 0x0034, 0x0054, 0x0008, 0x0014,
2197 0x000C, 0x0005, 0x0008, 0x005B, 0x004D, 0x0131, 0x0261, 0x001A,
2198 0x0012, 0x0000, 0x000F, 0x000A, 0x0009, 0x0006, 0x001B, 0x0006,
2199 0x001C, 0x002C, 0x0015, 0x005A, 0x0027, 0x0099, 0x0260, 0x000E,
2200 0x0004, 0x000F, 0x0007, 0x001D, 0x000B, 0x0014, 0x0008, 0x0017,
2202 0x000F, 0x0013, 0x0075, 0x0024, 0x0095, 0x0251, 0x04A0, 0x0010,
2203 0x00C8, 0x0002, 0x0001, 0x0001, 0x0000, 0x001A, 0x0011, 0x002C,
2204 0x0065, 0x0074, 0x004B, 0x00C9, 0x0129, 0x0943, 0x0942, 0x0003,
2205 0x000A, 0x001C, 0x0018, 0x0033, 0x0017, 0x002D, 0x001B, 0x003B,
2207 0x0003, 0x001A, 0x002D, 0x0038, 0x0028, 0x0395, 0x0E51, 0x0037,
2208 0x00E4, 0x0001, 0x0000, 0x001F, 0x001E, 0x0017, 0x003A, 0x0073,
2209 0x002A, 0x002B, 0x0029, 0x01CB, 0x0729, 0x1CA1, 0x1CA0, 0x0004,
2210 0x000A, 0x0004, 0x0018, 0x0036, 0x000B, 0x002C, 0x0019, 0x003B,
2212 0x0004, 0x0004, 0x003F, 0x0017, 0x0075, 0x01F5, 0x07D1, 0x0017,
2213 0x01F6, 0x0001, 0x0000, 0x001B, 0x001A, 0x000A, 0x0032, 0x0074,
2214 0x00F8, 0x00F9, 0x01F7, 0x03E9, 0x0FA0, 0x1F43, 0x1F42, 0x0003,
2215 0x000A, 0x001E, 0x001C, 0x003B, 0x0018, 0x0016, 0x0016, 0x0033,
2217 0x0004, 0x0007, 0x0018, 0x001E, 0x0036, 0x0031, 0x0177, 0x0077,
2218 0x0176, 0x0001, 0x0000, 0x001A, 0x0019, 0x003A, 0x0019, 0x005C,
2219 0x00BA, 0x0061, 0x00C1, 0x0180, 0x0302, 0x0607, 0x0606, 0x0002,
2220 0x000A, 0x001F, 0x001C, 0x0037, 0x0016, 0x0076, 0x000D, 0x002F,
2222 0x0000, 0x000A, 0x001A, 0x000C, 0x001D, 0x0039, 0x0078, 0x005E,
2223 0x0393, 0x0002, 0x0001, 0x0016, 0x000F, 0x002E, 0x005F, 0x0073,
2224 0x00E5, 0x01C8, 0x0E4A, 0x1C97, 0x1C96, 0x0E49, 0x0E48, 0x0004,
2225 0x0006, 0x001F, 0x001B, 0x001D, 0x0038, 0x0038, 0x003D, 0x0079,
2229 const VP31_AC_CAT0_BITS: [[u8; 32]; 16] = [
2231 5, 7, 9, 10, 12, 13, 14, 5, 14, 4, 4, 4, 4, 4, 4, 4,
2232 5, 4, 4, 4, 4, 4, 5, 5, 6, 7, 7, 8, 7, 11, 5, 7,
2234 5, 6, 8, 8, 10, 12, 12, 4, 12, 4, 4, 4, 4, 4, 4, 4,
2235 5, 4, 4, 4, 4, 5, 6, 5, 6, 7, 7, 8, 9, 12, 5, 6,
2237 5, 6, 8, 7, 10, 11, 12, 4, 13, 4, 4, 4, 4, 4, 4, 4,
2238 5, 4, 4, 4, 4, 5, 7, 5, 6, 6, 8, 8, 9, 13, 5, 6,
2240 5, 6, 7, 7, 9, 10, 12, 4, 12, 4, 4, 4, 4, 4, 4, 4,
2241 5, 4, 4, 4, 5, 6, 8, 4, 6, 6, 7, 7, 7, 11, 5, 6,
2243 4, 6, 7, 7, 9, 10, 13, 4, 13, 4, 4, 4, 4, 4, 4, 4,
2244 5, 4, 4, 5, 6, 7, 11, 4, 6, 6, 7, 7, 8, 12, 4, 6,
2246 4, 6, 7, 6, 8, 10, 11, 4, 13, 3, 4, 4, 4, 4, 4, 5,
2247 5, 5, 5, 5, 7, 9, 13, 4, 5, 6, 7, 7, 7, 12, 4, 5,
2249 4, 5, 7, 6, 8, 9, 10, 5, 12, 3, 3, 4, 4, 4, 4, 5,
2250 6, 5, 5, 6, 8, 13, 13, 4, 5, 5, 6, 7, 8, 11, 5, 5,
2252 3, 5, 6, 5, 7, 9, 10, 5, 13, 3, 3, 4, 4, 4, 5, 6,
2253 6, 6, 7, 8, 13, 13, 13, 4, 5, 5, 6, 6, 7, 11, 5, 5,
2255 5, 7, 8, 9, 11, 13, 13, 4, 7, 3, 4, 4, 4, 4, 4, 5,
2256 6, 5, 6, 6, 7, 10, 12, 4, 4, 5, 6, 6, 5, 6, 4, 5,
2258 4, 6, 8, 8, 10, 12, 12, 5, 8, 3, 3, 4, 4, 4, 4, 5,
2259 6, 6, 6, 6, 7, 9, 11, 4, 5, 5, 6, 6, 6, 7, 4, 5,
2261 4, 5, 6, 7, 9, 11, 12, 5, 7, 3, 4, 4, 4, 4, 5, 5,
2262 6, 6, 6, 7, 8, 10, 12, 4, 4, 5, 5, 6, 5, 6, 4, 5,
2264 4, 5, 7, 6, 8, 10, 11, 5, 8, 3, 3, 4, 4, 5, 5, 6,
2265 7, 7, 7, 8, 9, 12, 12, 3, 4, 5, 5, 6, 5, 6, 5, 6,
2267 3, 5, 6, 6, 7, 10, 12, 6, 8, 3, 3, 5, 5, 5, 6, 7,
2268 7, 7, 7, 9, 11, 13, 13, 3, 4, 4, 5, 6, 5, 6, 5, 6,
2270 3, 4, 6, 5, 7, 9, 11, 6, 9, 3, 3, 5, 5, 5, 6, 7,
2271 8, 8, 9, 10, 12, 13, 13, 3, 4, 5, 5, 6, 5, 6, 5, 6,
2273 3, 4, 5, 5, 6, 7, 9, 7, 9, 3, 3, 5, 5, 6, 6, 7,
2274 8, 8, 9, 10, 11, 12, 12, 3, 4, 5, 5, 6, 5, 7, 5, 6,
2276 3, 4, 5, 4, 5, 6, 7, 7, 11, 3, 3, 5, 5, 6, 7, 8,
2277 9, 10, 13, 14, 14, 13, 13, 3, 4, 5, 5, 6, 6, 7, 6, 7,
2281 const VP31_AC_CAT1_CODES: [[u16; 32]; 16] = [
2283 0x000B, 0x002B, 0x0054, 0x01B7, 0x06D9, 0x0DB1, 0x0DB0, 0x0002,
2284 0x00AB, 0x0009, 0x000A, 0x0007, 0x0008, 0x000F, 0x000C, 0x0003,
2285 0x001D, 0x0004, 0x000B, 0x0006, 0x001A, 0x0003, 0x00AA, 0x0001,
2286 0x0000, 0x0014, 0x006C, 0x00DA, 0x0002, 0x036D, 0x001C, 0x0037,
2288 0x001D, 0x0004, 0x00B6, 0x006A, 0x05B9, 0x16E1, 0x16E0, 0x0007,
2289 0x016F, 0x000C, 0x000D, 0x0009, 0x0008, 0x000F, 0x000A, 0x0003,
2290 0x0017, 0x0002, 0x0004, 0x001C, 0x002C, 0x006B, 0x0B71, 0x0005,
2291 0x0003, 0x001B, 0x005A, 0x0034, 0x0005, 0x02DD, 0x0000, 0x000C,
2293 0x0003, 0x007F, 0x00A1, 0x00A0, 0x020C, 0x0834, 0x106B, 0x0007,
2294 0x0082, 0x000E, 0x000D, 0x000B, 0x000C, 0x0000, 0x0009, 0x0002,
2295 0x0011, 0x001E, 0x0015, 0x003E, 0x0040, 0x041B, 0x106A, 0x0006,
2296 0x000A, 0x0029, 0x007E, 0x0051, 0x0021, 0x0107, 0x0004, 0x000B,
2298 0x0007, 0x001B, 0x00F6, 0x00E9, 0x03A1, 0x0740, 0x0E82, 0x001F,
2299 0x01EF, 0x0001, 0x0002, 0x000B, 0x000C, 0x000D, 0x0008, 0x001C,
2300 0x0003, 0x0012, 0x0002, 0x0075, 0x01D1, 0x1D07, 0x1D06, 0x000A,
2301 0x0013, 0x003B, 0x001A, 0x007A, 0x003C, 0x01EE, 0x0000, 0x000C,
2303 0x000D, 0x003D, 0x0042, 0x0037, 0x00D9, 0x0362, 0x06C6, 0x001F,
2304 0x0086, 0x0001, 0x0002, 0x000C, 0x000B, 0x000A, 0x0001, 0x000F,
2305 0x0025, 0x003C, 0x001A, 0x0087, 0x01B0, 0x0D8F, 0x0D8E, 0x000E,
2306 0x0013, 0x000C, 0x0024, 0x0020, 0x0011, 0x006D, 0x0000, 0x000E,
2308 0x0000, 0x0012, 0x0076, 0x0077, 0x014D, 0x0533, 0x14C9, 0x0013,
2309 0x00A5, 0x0002, 0x0003, 0x000B, 0x000C, 0x0008, 0x001A, 0x002B,
2310 0x0075, 0x0074, 0x00A7, 0x0298, 0x14C8, 0x14CB, 0x14CA, 0x000F,
2311 0x001C, 0x0007, 0x002A, 0x0028, 0x001B, 0x00A4, 0x0002, 0x0006,
2313 0x0002, 0x001A, 0x002B, 0x003A, 0x00ED, 0x0283, 0x0A0A, 0x0004,
2314 0x00A1, 0x0004, 0x0003, 0x000B, 0x000C, 0x001F, 0x0006, 0x0077,
2315 0x00A3, 0x00A2, 0x0140, 0x1417, 0x1416, 0x0A09, 0x0A08, 0x0000,
2316 0x001E, 0x0007, 0x002A, 0x0029, 0x001C, 0x00EC, 0x001B, 0x0005,
2318 0x0002, 0x0002, 0x0018, 0x001D, 0x0035, 0x00E4, 0x01CF, 0x001D,
2319 0x0072, 0x0004, 0x0005, 0x0006, 0x0007, 0x0006, 0x0073, 0x0038,
2320 0x01CE, 0x039B, 0x0398, 0x0733, 0x0732, 0x0735, 0x0734, 0x0000,
2321 0x001F, 0x001B, 0x0034, 0x000F, 0x001E, 0x00E5, 0x0019, 0x0038,
2323 0x0016, 0x0050, 0x0172, 0x02E7, 0x1732, 0x2E67, 0x2E66, 0x0006,
2324 0x0051, 0x0001, 0x0000, 0x000D, 0x000C, 0x0009, 0x001C, 0x0009,
2325 0x001C, 0x001D, 0x005D, 0x00B8, 0x05CD, 0x1731, 0x1730, 0x000F,
2326 0x0005, 0x000F, 0x0008, 0x0029, 0x001D, 0x002F, 0x0008, 0x0015,
2328 0x0009, 0x0021, 0x0040, 0x00AD, 0x02B0, 0x1589, 0x1588, 0x001C,
2329 0x005F, 0x0000, 0x000F, 0x000D, 0x000C, 0x0006, 0x0011, 0x002A,
2330 0x0057, 0x005E, 0x0041, 0x0159, 0x0563, 0x158B, 0x158A, 0x0001,
2331 0x0005, 0x0014, 0x003B, 0x002E, 0x0004, 0x003A, 0x0007, 0x0016,
2333 0x000E, 0x0007, 0x0046, 0x0045, 0x0064, 0x032A, 0x0657, 0x0018,
2334 0x000D, 0x0000, 0x000F, 0x000A, 0x000B, 0x001A, 0x0036, 0x0047,
2335 0x0044, 0x0018, 0x0033, 0x00CB, 0x0656, 0x0329, 0x0328, 0x0002,
2336 0x0006, 0x0019, 0x000E, 0x0037, 0x0009, 0x000F, 0x0002, 0x0010,
2338 0x0003, 0x0018, 0x0023, 0x0077, 0x0194, 0x1956, 0x32AF, 0x003A,
2339 0x0076, 0x0002, 0x0001, 0x001F, 0x001E, 0x0014, 0x0022, 0x0064,
2340 0x0197, 0x0196, 0x032B, 0x0654, 0x32AE, 0x1955, 0x1954, 0x0000,
2341 0x0009, 0x001C, 0x0015, 0x0010, 0x000D, 0x0017, 0x0016, 0x0033,
2343 0x0005, 0x0006, 0x003E, 0x0010, 0x0048, 0x093F, 0x24FA, 0x0032,
2344 0x0067, 0x0002, 0x0001, 0x001B, 0x001E, 0x0034, 0x0066, 0x0092,
2345 0x0126, 0x024E, 0x049E, 0x49F7, 0x49F6, 0x24F9, 0x24F8, 0x0000,
2346 0x0007, 0x0018, 0x0011, 0x003F, 0x000E, 0x0013, 0x0035, 0x0025,
2348 0x0005, 0x0008, 0x0012, 0x001C, 0x001C, 0x00EA, 0x1D75, 0x001E,
2349 0x0066, 0x0001, 0x0002, 0x001B, 0x001A, 0x001F, 0x003B, 0x0074,
2350 0x01D6, 0x03AF, 0x1D74, 0x1D77, 0x1D76, 0x0EB9, 0x0EB8, 0x000F,
2351 0x0006, 0x0013, 0x003B, 0x003A, 0x0000, 0x0018, 0x0032, 0x0067,
2353 0x0004, 0x000A, 0x001B, 0x000C, 0x000D, 0x00E6, 0x0684, 0x0072,
2354 0x00E7, 0x0002, 0x0001, 0x0017, 0x0016, 0x0018, 0x00D1, 0x01A0,
2355 0x0686, 0x0D0F, 0x0D0A, 0x1A17, 0x1A16, 0x1A1D, 0x1A1C, 0x000F,
2356 0x001D, 0x000E, 0x0035, 0x0038, 0x0000, 0x000F, 0x0019, 0x0069,
2358 0x0003, 0x000C, 0x001B, 0x0000, 0x0003, 0x002E, 0x0051, 0x00BC,
2359 0x0053, 0x0004, 0x0002, 0x0016, 0x0015, 0x0015, 0x0050, 0x00A4,
2360 0x0294, 0x052B, 0x052A, 0x052D, 0x052C, 0x052F, 0x052E, 0x000E,
2361 0x001A, 0x0004, 0x0028, 0x0029, 0x000F, 0x000B, 0x005F, 0x00BD,
2365 const VP31_AC_CAT1_BITS: [[u8; 32]; 16] = [
2367 5, 7, 8, 9, 11, 12, 12, 4, 9, 4, 4, 4, 4, 4, 4, 4,
2368 5, 4, 4, 4, 5, 6, 9, 4, 5, 6, 7, 8, 6, 10, 5, 6,
2370 5, 6, 8, 8, 11, 13, 13, 4, 9, 4, 4, 4, 4, 4, 4, 4,
2371 5, 4, 4, 5, 6, 8, 12, 4, 5, 6, 7, 7, 6, 10, 4, 5,
2373 4, 7, 8, 8, 10, 12, 13, 4, 8, 4, 4, 4, 4, 3, 4, 4,
2374 5, 5, 5, 6, 7, 11, 13, 4, 5, 6, 7, 7, 6, 9, 4, 5,
2376 4, 6, 8, 8, 10, 11, 12, 5, 9, 3, 3, 4, 4, 4, 4, 5,
2377 5, 5, 5, 7, 9, 13, 13, 4, 5, 6, 6, 7, 6, 9, 4, 5,
2379 4, 6, 7, 7, 9, 11, 12, 5, 8, 3, 3, 4, 4, 4, 4, 5,
2380 6, 6, 6, 8, 10, 13, 13, 4, 5, 5, 6, 6, 5, 8, 4, 5,
2382 3, 5, 7, 7, 9, 11, 13, 5, 8, 3, 3, 4, 4, 4, 5, 6,
2383 7, 7, 8, 10, 13, 13, 13, 4, 5, 5, 6, 6, 5, 8, 4, 5,
2385 3, 5, 6, 6, 8, 10, 12, 5, 8, 3, 3, 4, 4, 5, 5, 7,
2386 8, 8, 9, 13, 13, 12, 12, 3, 5, 5, 6, 6, 5, 8, 5, 5,
2388 3, 4, 5, 5, 6, 8, 11, 7, 9, 3, 3, 4, 4, 5, 7, 8,
2389 11, 12, 12, 13, 13, 13, 13, 3, 5, 5, 6, 6, 5, 8, 5, 6,
2391 5, 7, 9, 10, 13, 14, 14, 4, 7, 3, 3, 4, 4, 4, 5, 5,
2392 6, 6, 7, 8, 11, 13, 13, 4, 4, 5, 5, 6, 5, 6, 4, 5,
2394 4, 6, 7, 8, 10, 13, 13, 5, 7, 3, 4, 4, 4, 4, 5, 6,
2395 7, 7, 7, 9, 11, 13, 13, 3, 4, 5, 6, 6, 4, 6, 4, 5,
2397 4, 5, 7, 7, 9, 12, 13, 5, 6, 3, 4, 4, 4, 5, 6, 7,
2398 7, 7, 8, 10, 13, 12, 12, 3, 4, 5, 5, 6, 4, 5, 4, 5,
2400 3, 5, 6, 7, 9, 13, 14, 6, 7, 3, 3, 5, 5, 5, 6, 7,
2401 9, 9, 10, 11, 14, 13, 13, 3, 4, 5, 5, 5, 4, 5, 5, 6,
2403 3, 4, 6, 5, 7, 12, 14, 6, 7, 3, 3, 5, 5, 6, 7, 8,
2404 9, 10, 11, 15, 15, 14, 14, 3, 4, 5, 5, 6, 4, 5, 6, 6,
2406 3, 4, 5, 5, 6, 9, 14, 6, 7, 3, 3, 5, 5, 6, 7, 8,
2407 10, 11, 14, 14, 14, 13, 13, 4, 4, 5, 6, 6, 3, 5, 6, 7,
2409 3, 4, 5, 4, 5, 8, 11, 7, 8, 3, 3, 5, 5, 6, 8, 9,
2410 11, 12, 12, 13, 13, 13, 13, 4, 5, 5, 6, 6, 3, 5, 6, 7,
2412 3, 4, 5, 3, 4, 6, 9, 8, 9, 3, 3, 5, 5, 7, 9, 10,
2413 12, 13, 13, 13, 13, 13, 13, 4, 5, 5, 6, 6, 4, 6, 7, 8,
2417 const VP31_AC_CAT2_CODES: [[u16; 32]; 16] = [
2419 0x0003, 0x0009, 0x00D0, 0x01A3, 0x0344, 0x0D14, 0x1A2B, 0x0004,
2420 0x0015, 0x0000, 0x000F, 0x000B, 0x000C, 0x000E, 0x0009, 0x001B,
2421 0x000A, 0x0014, 0x000D, 0x002A, 0x0014, 0x068B, 0x1A2A, 0x0008,
2422 0x000B, 0x002B, 0x000B, 0x0069, 0x0035, 0x0008, 0x0007, 0x000C,
2424 0x000A, 0x003C, 0x0032, 0x0030, 0x00C5, 0x0621, 0x0620, 0x001F,
2425 0x0033, 0x0001, 0x0000, 0x000E, 0x000D, 0x000C, 0x0004, 0x000D,
2426 0x0026, 0x0027, 0x0014, 0x0063, 0x0189, 0x0623, 0x0622, 0x000B,
2427 0x0012, 0x003D, 0x0022, 0x0015, 0x000B, 0x0023, 0x0007, 0x0010,
2429 0x000F, 0x000C, 0x0043, 0x0010, 0x0044, 0x0114, 0x0455, 0x0018,
2430 0x0023, 0x0001, 0x0000, 0x000E, 0x000D, 0x0009, 0x0019, 0x0009,
2431 0x0017, 0x0016, 0x0042, 0x008B, 0x0454, 0x0457, 0x0456, 0x000B,
2432 0x0015, 0x000A, 0x0029, 0x0020, 0x000D, 0x0028, 0x0007, 0x0011,
2434 0x0001, 0x001A, 0x0029, 0x002A, 0x00A0, 0x0285, 0x1425, 0x0002,
2435 0x0000, 0x0002, 0x0003, 0x000C, 0x000B, 0x0008, 0x0012, 0x0001,
2436 0x0051, 0x0001, 0x0143, 0x0508, 0x1424, 0x1427, 0x1426, 0x000F,
2437 0x001C, 0x0003, 0x0037, 0x002B, 0x0013, 0x0036, 0x001D, 0x0001,
2439 0x0004, 0x001F, 0x003D, 0x0006, 0x0016, 0x0053, 0x014A, 0x0034,
2440 0x002A, 0x0002, 0x0003, 0x000B, 0x000C, 0x001C, 0x0037, 0x0017,
2441 0x002B, 0x0028, 0x00A4, 0x052D, 0x052C, 0x052F, 0x052E, 0x0000,
2442 0x001D, 0x0007, 0x0004, 0x0035, 0x0014, 0x0036, 0x0015, 0x003C,
2444 0x0004, 0x000A, 0x0007, 0x001D, 0x0009, 0x01F3, 0x07C7, 0x0008,
2445 0x01F0, 0x0003, 0x0002, 0x000D, 0x000C, 0x0017, 0x007D, 0x01F2,
2446 0x07C6, 0x07C5, 0x1F12, 0x3E27, 0x3E26, 0x1F11, 0x1F10, 0x0000,
2447 0x001E, 0x0006, 0x0039, 0x0038, 0x003F, 0x002C, 0x0005, 0x002D,
2449 0x0002, 0x0007, 0x0018, 0x0003, 0x0005, 0x0035, 0x004F, 0x0012,
2450 0x04E5, 0x0005, 0x0004, 0x000D, 0x000E, 0x0033, 0x0026, 0x009D,
2451 0x04E4, 0x04E7, 0x04E6, 0x04E1, 0x04E0, 0x04E3, 0x04E2, 0x0000,
2452 0x001F, 0x000C, 0x003D, 0x003C, 0x0032, 0x0034, 0x001B, 0x0008,
2454 0x0000, 0x0004, 0x001C, 0x000F, 0x0002, 0x0007, 0x0075, 0x00E8,
2455 0x1D2A, 0x0005, 0x0004, 0x000D, 0x000C, 0x0077, 0x0E96, 0x3A57,
2456 0x3A56, 0x3A5D, 0x3A5C, 0x3A5F, 0x3A5E, 0x1D29, 0x1D28, 0x0003,
2457 0x0006, 0x000A, 0x002C, 0x0017, 0x0076, 0x01D3, 0x03A4, 0x002D,
2459 0x000A, 0x0024, 0x00BF, 0x0085, 0x0211, 0x0842, 0x1087, 0x0018,
2460 0x0020, 0x0001, 0x0002, 0x000E, 0x000D, 0x0007, 0x0013, 0x0025,
2461 0x005E, 0x0043, 0x00BE, 0x0109, 0x1086, 0x0841, 0x0840, 0x000F,
2462 0x0001, 0x0011, 0x0000, 0x002E, 0x0019, 0x0001, 0x0006, 0x0016,
2464 0x0002, 0x000F, 0x006F, 0x0061, 0x0374, 0x1BA8, 0x3753, 0x0012,
2465 0x0036, 0x0000, 0x0001, 0x000A, 0x000B, 0x001A, 0x0031, 0x0060,
2466 0x00DC, 0x01BB, 0x06EB, 0x1BAB, 0x3752, 0x3755, 0x3754, 0x000E,
2467 0x0006, 0x0013, 0x000E, 0x003E, 0x0008, 0x001E, 0x0019, 0x003F,
2469 0x0003, 0x001C, 0x0025, 0x0024, 0x01DA, 0x1DBD, 0x3B7C, 0x003C,
2470 0x003D, 0x0000, 0x0001, 0x000B, 0x000A, 0x000B, 0x0077, 0x00EC,
2471 0x03B6, 0x076E, 0x1DBF, 0x76FB, 0x76FA, 0x3B79, 0x3B78, 0x000D,
2472 0x001F, 0x0013, 0x000A, 0x0008, 0x000C, 0x0008, 0x0009, 0x003A,
2474 0x0005, 0x0003, 0x0004, 0x0010, 0x008F, 0x0475, 0x11D1, 0x0079,
2475 0x0027, 0x0002, 0x0003, 0x0001, 0x0000, 0x0026, 0x0046, 0x011C,
2476 0x0477, 0x08ED, 0x11D0, 0x11D3, 0x11D2, 0x11D9, 0x11D8, 0x000D,
2477 0x001F, 0x0012, 0x0005, 0x003D, 0x000C, 0x000E, 0x0022, 0x0078,
2479 0x0005, 0x000C, 0x001B, 0x0000, 0x0006, 0x03E2, 0x3E3D, 0x000F,
2480 0x0034, 0x0003, 0x0002, 0x001E, 0x001D, 0x007D, 0x01F0, 0x07C6,
2481 0x3E3C, 0x3E3F, 0x3E3E, 0x3E39, 0x3E38, 0x3E3B, 0x3E3A, 0x0008,
2482 0x001C, 0x0002, 0x003F, 0x0035, 0x0009, 0x0001, 0x000E, 0x00F9,
2484 0x0004, 0x000B, 0x0001, 0x000A, 0x001E, 0x00E0, 0x0E1E, 0x0071,
2485 0x0039, 0x0007, 0x0006, 0x000D, 0x000C, 0x0020, 0x01C2, 0x1C3F,
2486 0x1C3E, 0x0E19, 0x0E18, 0x0E1B, 0x0E1A, 0x0E1D, 0x0E1C, 0x0000,
2487 0x0009, 0x001D, 0x001F, 0x0011, 0x0005, 0x0001, 0x0043, 0x0042,
2489 0x0004, 0x000D, 0x0007, 0x0002, 0x0014, 0x016C, 0x16D1, 0x02DF,
2490 0x016E, 0x0000, 0x0007, 0x002C, 0x002B, 0x02DE, 0x16D0, 0x16D3,
2491 0x16D2, 0x2DB5, 0x2DB4, 0x2DB7, 0x2DB6, 0x16D9, 0x16D8, 0x000C,
2492 0x002A, 0x005A, 0x001B, 0x001A, 0x0017, 0x000C, 0x05B7, 0x05B5,
2494 0x0002, 0x000F, 0x001C, 0x000C, 0x003B, 0x01AC, 0x1AD8, 0x35B3,
2495 0x35B2, 0x0001, 0x0000, 0x0069, 0x0068, 0x35BD, 0x35BC, 0x35BF,
2496 0x35BE, 0x35B9, 0x35B8, 0x35BB, 0x35BA, 0x35B5, 0x35B4, 0x01A9,
2497 0x01A8, 0x035A, 0x00D7, 0x00D5, 0x003A, 0x001B, 0x35B7, 0x35B6,
2501 const VP31_AC_CAT2_BITS: [[u8; 32]; 16] = [
2503 4, 6, 8, 9, 10, 12, 13, 4, 7, 3, 4, 4, 4, 4, 4, 5,
2504 5, 5, 5, 6, 7, 11, 13, 4, 5, 6, 6, 7, 6, 6, 4, 5,
2506 4, 6, 7, 7, 9, 12, 12, 5, 7, 3, 3, 4, 4, 4, 4, 5,
2507 6, 6, 6, 8, 10, 12, 12, 4, 5, 6, 6, 6, 5, 6, 4, 5,
2509 4, 5, 7, 6, 8, 10, 12, 5, 7, 3, 3, 4, 4, 4, 5, 5,
2510 6, 6, 7, 9, 12, 12, 12, 4, 5, 5, 6, 6, 5, 6, 4, 5,
2512 3, 5, 6, 6, 8, 10, 13, 5, 7, 3, 3, 4, 4, 4, 5, 6,
2513 7, 7, 9, 11, 13, 13, 13, 4, 5, 5, 6, 6, 5, 6, 5, 5,
2515 3, 5, 6, 5, 7, 9, 11, 6, 8, 3, 3, 4, 4, 5, 6, 7,
2516 8, 8, 10, 13, 13, 13, 13, 3, 5, 5, 5, 6, 5, 6, 5, 6,
2518 3, 4, 5, 5, 6, 9, 11, 6, 9, 3, 3, 4, 4, 5, 7, 9,
2519 11, 11, 13, 14, 14, 13, 13, 3, 5, 5, 6, 6, 6, 6, 5, 6,
2521 3, 4, 5, 4, 5, 7, 9, 7, 13, 3, 3, 4, 4, 6, 8, 10,
2522 13, 13, 13, 13, 13, 13, 13, 3, 5, 5, 6, 6, 6, 7, 6, 6,
2524 3, 4, 5, 4, 4, 5, 7, 8, 13, 3, 3, 4, 4, 7, 12, 14,
2525 14, 14, 14, 14, 14, 13, 13, 3, 5, 5, 7, 6, 7, 9, 10, 7,
2527 4, 6, 8, 8, 10, 12, 13, 5, 6, 3, 3, 4, 4, 4, 5, 6,
2528 7, 7, 8, 9, 13, 12, 12, 4, 4, 5, 5, 6, 5, 5, 4, 5,
2530 3, 5, 7, 7, 10, 13, 14, 5, 6, 3, 3, 4, 4, 5, 6, 7,
2531 8, 9, 11, 13, 14, 14, 14, 4, 4, 5, 5, 6, 4, 5, 5, 6,
2533 3, 5, 6, 6, 9, 13, 14, 6, 6, 3, 3, 4, 4, 5, 7, 8,
2534 10, 11, 13, 15, 15, 14, 14, 4, 5, 5, 5, 5, 4, 4, 5, 6,
2536 3, 4, 5, 5, 8, 11, 13, 7, 6, 3, 3, 4, 4, 6, 7, 9,
2537 11, 12, 13, 13, 13, 13, 13, 4, 5, 5, 5, 6, 4, 4, 6, 7,
2539 3, 4, 5, 4, 6, 10, 14, 7, 6, 3, 3, 5, 5, 7, 9, 11,
2540 14, 14, 14, 14, 14, 14, 14, 4, 5, 5, 6, 6, 4, 3, 7, 8,
2542 3, 4, 4, 4, 6, 9, 13, 8, 7, 3, 3, 5, 5, 7, 10, 14,
2543 14, 13, 13, 13, 13, 13, 13, 4, 5, 6, 6, 6, 4, 3, 8, 8,
2545 3, 4, 4, 3, 5, 9, 13, 10, 9, 2, 3, 6, 6, 10, 13, 13,
2546 13, 14, 14, 14, 14, 13, 13, 5, 6, 7, 6, 6, 5, 4, 11, 11,
2548 2, 4, 5, 4, 6, 9, 13, 14, 14, 2, 2, 7, 7, 14, 14, 14,
2549 14, 14, 14, 14, 14, 14, 14, 9, 9, 10, 8, 8, 6, 5, 14, 14,
2553 const VP31_AC_CAT3_CODES: [[u16; 32]; 16] = [
2555 0x0000, 0x0010, 0x0072, 0x0071, 0x0154, 0x0AAB, 0x0AA8, 0x0014,
2556 0x0070, 0x0002, 0x0003, 0x000C, 0x000B, 0x0003, 0x0011, 0x0073,
2557 0x0054, 0x00AB, 0x02AB, 0x1553, 0x1552, 0x1555, 0x1554, 0x000D,
2558 0x001E, 0x0012, 0x003E, 0x002B, 0x0002, 0x003F, 0x001D, 0x0013,
2560 0x0003, 0x001F, 0x0029, 0x003D, 0x000C, 0x0069, 0x0345, 0x0002,
2561 0x0028, 0x0002, 0x0001, 0x000E, 0x000C, 0x0015, 0x0007, 0x001B,
2562 0x006B, 0x006A, 0x0344, 0x0347, 0x0346, 0x01A1, 0x01A0, 0x000B,
2563 0x001A, 0x0012, 0x0000, 0x003C, 0x0008, 0x001B, 0x0013, 0x0001,
2565 0x0004, 0x0004, 0x003F, 0x0014, 0x0056, 0x015C, 0x15D5, 0x003C,
2566 0x002A, 0x0000, 0x0001, 0x000E, 0x000D, 0x000C, 0x00AF, 0x02BB,
2567 0x15D4, 0x15D7, 0x15D6, 0x15D1, 0x15D0, 0x15D3, 0x15D2, 0x000B,
2568 0x0019, 0x000D, 0x003E, 0x0031, 0x0007, 0x0005, 0x003D, 0x0030,
2570 0x0005, 0x0008, 0x001A, 0x0000, 0x0036, 0x0011, 0x0106, 0x000A,
2571 0x006E, 0x0002, 0x0003, 0x0003, 0x0002, 0x006F, 0x0021, 0x020F,
2572 0x020E, 0x0101, 0x0100, 0x0103, 0x0102, 0x0105, 0x0104, 0x000C,
2573 0x001E, 0x0003, 0x003E, 0x003F, 0x0009, 0x000E, 0x000B, 0x0009,
2575 0x0002, 0x000E, 0x001E, 0x000C, 0x001F, 0x006E, 0x00AD, 0x00AF,
2576 0x0014, 0x0004, 0x0003, 0x001A, 0x0017, 0x002A, 0x0576, 0x0AEF,
2577 0x0AEE, 0x0571, 0x0570, 0x0573, 0x0572, 0x0575, 0x0574, 0x0003,
2578 0x0016, 0x0004, 0x0036, 0x000B, 0x000A, 0x0000, 0x006F, 0x00AC,
2580 0x0004, 0x0005, 0x0003, 0x0001, 0x0004, 0x002F, 0x0526, 0x1495,
2581 0x00A6, 0x0007, 0x0006, 0x002D, 0x002C, 0x1494, 0x1497, 0x1496,
2582 0x1491, 0x1490, 0x1493, 0x1492, 0x293D, 0x293C, 0x293F, 0x0000,
2583 0x0028, 0x00A5, 0x0148, 0x00A7, 0x002E, 0x0015, 0x0A4E, 0x293E,
2585 0x0004, 0x0005, 0x0003, 0x0001, 0x0004, 0x002F, 0x0526, 0x1495,
2586 0x00A6, 0x0007, 0x0006, 0x002D, 0x002C, 0x1494, 0x1497, 0x1496,
2587 0x1491, 0x1490, 0x1493, 0x1492, 0x293D, 0x293C, 0x293F, 0x0000,
2588 0x0028, 0x00A5, 0x0148, 0x00A7, 0x002E, 0x0015, 0x0A4E, 0x293E,
2590 0x0004, 0x0005, 0x0003, 0x0001, 0x0004, 0x002F, 0x0526, 0x1495,
2591 0x00A6, 0x0007, 0x0006, 0x002D, 0x002C, 0x1494, 0x1497, 0x1496,
2592 0x1491, 0x1490, 0x1493, 0x1492, 0x293D, 0x293C, 0x293F, 0x0000,
2593 0x0028, 0x00A5, 0x0148, 0x00A7, 0x002E, 0x0015, 0x0A4E, 0x293E,
2595 0x0003, 0x0011, 0x0020, 0x0074, 0x010D, 0x0863, 0x0860, 0x000A,
2596 0x0075, 0x0001, 0x0000, 0x000B, 0x000A, 0x0018, 0x0038, 0x0042,
2597 0x010F, 0x010E, 0x0219, 0x10C3, 0x10C2, 0x10C5, 0x10C4, 0x000F,
2598 0x0004, 0x0019, 0x000B, 0x0039, 0x0009, 0x001B, 0x001A, 0x003B,
2600 0x0005, 0x0001, 0x003E, 0x0001, 0x00E2, 0x1C6F, 0x38D9, 0x0039,
2601 0x001F, 0x0002, 0x0001, 0x0009, 0x0008, 0x0000, 0x0070, 0x01C7,
2602 0x038C, 0x071A, 0x38D8, 0x38DB, 0x38DA, 0x38DD, 0x38DC, 0x000D,
2603 0x001D, 0x000E, 0x003F, 0x003C, 0x000C, 0x0006, 0x003D, 0x001E,
2605 0x0006, 0x000B, 0x0011, 0x001E, 0x0074, 0x03AA, 0x1D5C, 0x0001,
2606 0x0021, 0x0001, 0x0002, 0x0007, 0x0006, 0x003E, 0x00EB, 0x01D4,
2607 0x0EAF, 0x3ABB, 0x3ABA, 0x1D59, 0x1D58, 0x1D5B, 0x1D5A, 0x000A,
2608 0x001C, 0x0001, 0x003F, 0x003B, 0x0001, 0x0009, 0x0020, 0x0000,
2610 0x0004, 0x000A, 0x0017, 0x0004, 0x0016, 0x016A, 0x16B1, 0x0017,
2611 0x005B, 0x0006, 0x0007, 0x0001, 0x0000, 0x000A, 0x02D7, 0x0B5A,
2612 0x16B0, 0x16B3, 0x16B2, 0x2D6D, 0x2D6C, 0x2D6F, 0x2D6E, 0x0006,
2613 0x000A, 0x0004, 0x002C, 0x0017, 0x0003, 0x0007, 0x0016, 0x00B4,
2615 0x0005, 0x000D, 0x0005, 0x0009, 0x0033, 0x0193, 0x192C, 0x0061,
2616 0x0031, 0x0000, 0x0007, 0x0010, 0x0011, 0x00C8, 0x192F, 0x325B,
2617 0x325A, 0x1929, 0x1928, 0x192B, 0x192A, 0x325D, 0x325C, 0x0018,
2618 0x001A, 0x001B, 0x0065, 0x0019, 0x0004, 0x0007, 0x0060, 0x0324,
2620 0x0006, 0x0000, 0x0002, 0x000F, 0x0039, 0x01D9, 0x1D82, 0x0761,
2621 0x03BE, 0x0001, 0x0002, 0x000F, 0x000E, 0x0762, 0x3B07, 0x3B06,
2622 0x3B1D, 0x3B1C, 0x3B1F, 0x3B1E, 0x3B19, 0x3B18, 0x3B1B, 0x0038,
2623 0x01DE, 0x00ED, 0x03BF, 0x00EE, 0x003A, 0x0006, 0x0EC0, 0x3B1A,
2625 0x0000, 0x0002, 0x000F, 0x0006, 0x001C, 0x01D0, 0x0E8C, 0x1D1B,
2626 0x1D1A, 0x0003, 0x0002, 0x00EA, 0x00E9, 0x0E89, 0x0E88, 0x0E8B,
2627 0x0E8A, 0x1D65, 0x1D64, 0x1D67, 0x1D66, 0x1D61, 0x1D60, 0x03AD,
2628 0x1D63, 0x1D62, 0x1D1D, 0x1D1C, 0x003B, 0x01D7, 0x1D1F, 0x1D1E,
2630 0x0002, 0x000F, 0x001C, 0x000C, 0x003B, 0x01AC, 0x1AD8, 0x35B3,
2631 0x35B2, 0x0001, 0x0000, 0x0069, 0x0068, 0x35BD, 0x35BC, 0x35BF,
2632 0x35BE, 0x35B9, 0x35B8, 0x35BB, 0x35BA, 0x35B5, 0x35B4, 0x01A9,
2633 0x01A8, 0x035A, 0x00D7, 0x00D5, 0x003A, 0x001B, 0x35B7, 0x35B6,
2637 const VP31_AC_CAT3_BITS: [[u8; 32]; 16] = [
2639 3, 5, 7, 7, 9, 12, 12, 5, 7, 3, 3, 4, 4, 4, 5, 7,
2640 7, 8, 10, 13, 13, 13, 13, 4, 5, 5, 6, 6, 4, 6, 5, 5,
2642 3, 5, 6, 6, 7, 10, 13, 5, 6, 3, 3, 4, 4, 5, 6, 8,
2643 10, 10, 13, 13, 13, 12, 12, 4, 5, 5, 5, 6, 4, 5, 5, 5,
2645 3, 4, 6, 5, 7, 9, 13, 6, 6, 3, 3, 4, 4, 5, 8, 10,
2646 13, 13, 13, 13, 13, 13, 13, 4, 5, 5, 6, 6, 4, 4, 6, 6,
2648 3, 4, 5, 4, 6, 8, 12, 7, 7, 3, 3, 4, 4, 7, 9, 13,
2649 13, 12, 12, 12, 12, 12, 12, 4, 5, 5, 6, 6, 4, 4, 7, 7,
2651 3, 4, 5, 4, 5, 7, 10, 10, 7, 3, 3, 5, 5, 8, 13, 14,
2652 14, 13, 13, 13, 13, 13, 13, 4, 5, 5, 6, 6, 4, 3, 7, 10,
2654 3, 4, 3, 3, 4, 6, 11, 13, 8, 3, 3, 6, 6, 13, 13, 13,
2655 13, 13, 13, 13, 14, 14, 14, 3, 6, 8, 9, 8, 6, 5, 12, 14,
2657 3, 4, 3, 3, 4, 6, 11, 13, 8, 3, 3, 6, 6, 13, 13, 13,
2658 13, 13, 13, 13, 14, 14, 14, 3, 6, 8, 9, 8, 6, 5, 12, 14,
2660 3, 4, 3, 3, 4, 6, 11, 13, 8, 3, 3, 6, 6, 13, 13, 13,
2661 13, 13, 13, 13, 14, 14, 14, 3, 6, 8, 9, 8, 6, 5, 12, 14,
2663 3, 5, 6, 7, 9, 12, 12, 5, 7, 3, 3, 4, 4, 5, 6, 7,
2664 9, 9, 10, 13, 13, 13, 13, 4, 4, 5, 5, 6, 4, 5, 5, 6,
2666 3, 4, 6, 5, 8, 13, 14, 6, 6, 3, 3, 4, 4, 5, 7, 9,
2667 10, 11, 14, 14, 14, 14, 14, 4, 5, 5, 6, 6, 4, 4, 6, 6,
2669 3, 4, 5, 5, 7, 10, 13, 6, 6, 3, 3, 4, 4, 6, 8, 9,
2670 12, 14, 14, 13, 13, 13, 13, 4, 5, 5, 6, 6, 4, 4, 6, 6,
2672 3, 4, 5, 4, 6, 9, 13, 7, 7, 3, 3, 4, 4, 6, 10, 12,
2673 13, 13, 13, 14, 14, 14, 14, 4, 5, 5, 6, 6, 4, 4, 7, 8,
2675 3, 4, 4, 4, 6, 9, 13, 8, 7, 2, 3, 5, 5, 8, 13, 14,
2676 14, 13, 13, 13, 13, 14, 14, 5, 6, 6, 7, 6, 4, 4, 8, 10,
2678 3, 3, 4, 4, 6, 9, 13, 11, 10, 2, 2, 6, 6, 11, 14, 14,
2679 14, 14, 14, 14, 14, 14, 14, 6, 9, 8, 10, 8, 6, 5, 12, 14,
2681 2, 3, 5, 4, 6, 10, 13, 14, 14, 2, 2, 9, 9, 13, 13, 13,
2682 13, 14, 14, 14, 14, 14, 14, 11, 14, 14, 14, 14, 7, 10, 14, 14,
2684 2, 4, 5, 4, 6, 9, 13, 14, 14, 2, 2, 7, 7, 14, 14, 14,
2685 14, 14, 14, 14, 14, 14, 14, 9, 9, 10, 8, 8, 6, 5, 14, 14,
2689 const VP31_DC_WEIGHTS: [[i16; 5]; 16] = [
2698 [ 29, -26, 29, 0, 32 ],
2701 [ 75, 0, 0, 53, 128 ],
2703 [ 75, 0, 0, 53, 128 ],
2706 [ 75, 0, 0, 53, 128 ],
2707 [ 0, 3, 10, 3, 16 ],
2708 [ 29, -26, 29, 0, 32 ],
2711 const VP30_DC_SCALES: [i16; 64] = [
2712 24, 20, 20, 20, 20, 20, 20, 20,
2713 19, 19, 19, 19, 18, 18, 18, 18,
2714 17, 17, 17, 17, 16, 16, 15, 15,
2715 14, 14, 13, 13, 12, 12, 11, 11,
2716 10, 10, 9, 9, 8, 8, 7, 7,
2717 6, 6, 6, 6, 5, 5, 5, 5,
2718 4, 4, 4, 4, 3, 3, 3, 3,
2719 2, 2, 2, 2, 1, 1, 1, 1
2722 const VP30_AC_SCALES: [i16; 64] = [
2723 3000, 2500, 2000, 1500, 1200, 1000, 900, 800,
2724 750, 700, 650, 630, 600, 550, 500, 450,
2725 410, 380, 350, 320, 290, 260, 240, 220,
2726 200, 180, 165, 150, 140, 130, 120, 115,
2727 110, 100, 95, 90, 85, 80, 75, 70,
2728 67, 65, 63, 61, 57, 55, 53, 50,
2729 49, 46, 44, 42, 39, 36, 33, 30,
2730 27, 24, 21, 19, 17, 15, 12, 10
2733 const VP30_DC_CODES: [[u16; 32]; 5] = [
2735 0x0005, 0x002D, 0x0004, 0x0009, 0x0088, 0x0225, 0x0224, 0x0005,
2736 0x0011, 0x0007, 0x0006, 0x0009, 0x000A, 0x0007, 0x0017, 0x000C,
2737 0x002C, 0x0005, 0x0008, 0x0003, 0x0012, 0x0010, 0x0113, 0x0003,
2738 0x0010, 0x0000, 0x0013, 0x001A, 0x0023, 0x0045, 0x0001, 0x001B
2740 0x000B, 0x0012, 0x0029, 0x0010, 0x000D, 0x00A2, 0x0020, 0x0009,
2741 0x0050, 0x0007, 0x0006, 0x0006, 0x0005, 0x0002, 0x0008, 0x0027,
2742 0x0005, 0x0022, 0x0023, 0x0057, 0x00A3, 0x0011, 0x0021, 0x0007,
2743 0x0000, 0x0009, 0x002A, 0x0003, 0x0007, 0x0026, 0x000C, 0x0056
2745 0x000D, 0x0018, 0x0009, 0x0017, 0x0033, 0x0056, 0x00F7, 0x00F1,
2746 0x007A, 0x0000, 0x0007, 0x0009, 0x0008, 0x0005, 0x000D, 0x002D,
2747 0x0010, 0x001D, 0x001C, 0x0057, 0x00CB, 0x00F6, 0x00F0, 0x0014,
2748 0x000C, 0x002C, 0x0011, 0x001F, 0x002A, 0x0064, 0x00CA, 0x0079
2750 0x000F, 0x001A, 0x0013, 0x001B, 0x003B, 0x0072, 0x01D3, 0x0707,
2751 0x0E0D, 0x0001, 0x0000, 0x000C, 0x000B, 0x0008, 0x0012, 0x002A,
2752 0x0073, 0x0028, 0x0075, 0x0056, 0x0052, 0x01C0, 0x0E0C, 0x0071,
2753 0x0057, 0x00E1, 0x00A6, 0x00E8, 0x00A7, 0x03A5, 0x03A4, 0x0382
2755 0x000F, 0x001B, 0x0014, 0x001D, 0x0010, 0x0073, 0x00E2, 0x023C,
2756 0x11C9, 0x0001, 0x0000, 0x000C, 0x000B, 0x0009, 0x0015, 0x0035,
2757 0x0072, 0x0034, 0x0022, 0x0070, 0x0046, 0x011D, 0x11C8, 0x01C7,
2758 0x01C6, 0x0238, 0x047E, 0x023E, 0x0473, 0x08E5, 0x023D, 0x047F
2761 const VP30_DC_BITS: [[u8; 32]; 5] = [
2763 4, 6, 6, 6, 8, 10, 10, 6, 7, 3, 3, 4, 4, 4, 5, 5,
2764 6, 5, 5, 5, 6, 7, 9, 4, 5, 5, 6, 6, 6, 7, 5, 6
2766 4, 5, 6, 5, 6, 8, 9, 7, 7, 3, 3, 4, 4, 4, 5, 6,
2767 6, 6, 6, 7, 8, 8, 9, 4, 4, 5, 6, 5, 5, 6, 6, 7
2769 4, 5, 5, 5, 6, 7, 9, 9, 8, 2, 3, 4, 4, 4, 5, 6,
2770 6, 6, 6, 7, 8, 9, 9, 5, 5, 6, 6, 6, 6, 7, 8, 8
2772 4, 5, 5, 5, 6, 7, 9, 11, 12, 2, 2, 4, 4, 4, 5, 6,
2773 7, 6, 7, 7, 7, 9, 12, 7, 7, 8, 8, 8, 8, 10, 10, 10
2775 4, 5, 5, 5, 5, 7, 8, 10, 13, 2, 2, 4, 4, 4, 5, 6,
2776 7, 6, 6, 7, 7, 9, 13, 9, 9, 10, 11, 10, 11, 12, 10, 11
2779 const VP30_AC_INTRA_CODES: [[u16; 32]; 5] = [
2781 0x0008, 0x0033, 0x0008, 0x004B, 0x0089, 0x0221, 0x0220, 0x001F,
2782 0x0045, 0x0000, 0x000E, 0x000B, 0x000A, 0x000D, 0x0006, 0x001E,
2783 0x000A, 0x0018, 0x0013, 0x0005, 0x0009, 0x0046, 0x0111, 0x0007,
2784 0x000B, 0x0032, 0x0010, 0x004A, 0x0024, 0x0047, 0x0003, 0x0009
2786 0x000E, 0x000E, 0x007B, 0x001E, 0x007E, 0x03EF, 0x07DD, 0x0018,
2787 0x00FA, 0x0002, 0x0000, 0x000A, 0x0008, 0x000B, 0x0003, 0x0012,
2788 0x0033, 0x000C, 0x003C, 0x001A, 0x007F, 0x01F6, 0x07DC, 0x000D,
2789 0x0013, 0x0004, 0x001B, 0x007A, 0x0032, 0x007C, 0x001F, 0x0005
2791 0x0000, 0x0018, 0x0034, 0x000C, 0x006A, 0x01F9, 0x07EA, 0x0016,
2792 0x0FD7, 0x0002, 0x0001, 0x000A, 0x0009, 0x0007, 0x001B, 0x003E,
2793 0x0020, 0x0021, 0x006B, 0x01FB, 0x03F4, 0x1FAD, 0x1FAC, 0x000E,
2794 0x0019, 0x0011, 0x002F, 0x007F, 0x002E, 0x01F8, 0x001E, 0x000D
2796 0x000E, 0x0016, 0x002E, 0x0003, 0x006E, 0x008B, 0x0113, 0x0018,
2797 0x0221, 0x0001, 0x0002, 0x000A, 0x0009, 0x0007, 0x001A, 0x0002,
2798 0x001B, 0x0023, 0x006F, 0x008A, 0x0111, 0x0441, 0x0440, 0x000F,
2799 0x0019, 0x0010, 0x0036, 0x001A, 0x002F, 0x0112, 0x0000, 0x000C
2801 0x000E, 0x000F, 0x001B, 0x0033, 0x005A, 0x00B6, 0x0008, 0x001A,
2802 0x004D, 0x0001, 0x0002, 0x000A, 0x0009, 0x0008, 0x001B, 0x0003,
2803 0x002C, 0x002E, 0x0005, 0x00B7, 0x0027, 0x0099, 0x0098, 0x000F,
2804 0x0018, 0x000E, 0x002F, 0x001A, 0x0032, 0x0012, 0x0000, 0x000C
2807 const VP30_AC_INTRA_BITS: [[u8; 32]; 5] = [
2809 4, 6, 6, 7, 9, 11, 11, 5, 8, 3, 4, 4, 4, 4, 4, 5,
2810 5, 5, 5, 5, 6, 8, 10, 4, 5, 6, 6, 7, 6, 8, 4, 5
2812 4, 5, 7, 6, 8, 11, 12, 5, 9, 3, 3, 4, 4, 4, 4, 5,
2813 6, 5, 6, 6, 8, 10, 12, 4, 5, 5, 6, 7, 6, 8, 5, 5
2815 3, 5, 6, 5, 7, 9, 11, 5, 12, 3, 3, 4, 4, 4, 5, 6,
2816 6, 6, 7, 9, 10, 13, 13, 4, 5, 5, 6, 7, 6, 9, 5, 5
2818 4, 5, 6, 5, 7, 8, 9, 5, 10, 3, 3, 4, 4, 4, 5, 5,
2819 6, 6, 7, 8, 9, 11, 11, 4, 5, 5, 6, 6, 6, 9, 4, 5
2821 4, 5, 6, 6, 7, 8, 7, 5, 10, 3, 3, 4, 4, 4, 5, 5,
2822 6, 6, 6, 8, 9, 11, 11, 4, 5, 5, 6, 6, 6, 8, 4, 5
2825 const VP30_AC_INTER_CODES: [[u16; 32]; 5] = [
2827 0x000D, 0x0038, 0x0061, 0x0060, 0x0393, 0x1C95, 0x1C94, 0x0014,
2828 0x0073, 0x0001, 0x0000, 0x000B, 0x0009, 0x001D, 0x000E, 0x0022,
2829 0x0046, 0x0047, 0x00E5, 0x01C8, 0x0724, 0x1C97, 0x1C96, 0x000F,
2830 0x0006, 0x0019, 0x000F, 0x0031, 0x0004, 0x0010, 0x0005, 0x0015
2832 0x0004, 0x001B, 0x0030, 0x0034, 0x00D5, 0x06B3, 0x3595, 0x0031,
2833 0x001A, 0x0002, 0x0001, 0x001F, 0x001E, 0x000C, 0x001B, 0x00D7,
2834 0x00D4, 0x01AD, 0x0358, 0x0D64, 0x3594, 0x3597, 0x3596, 0x0000,
2835 0x000A, 0x001D, 0x0017, 0x0039, 0x0007, 0x0019, 0x0016, 0x0038
2837 0x0005, 0x0009, 0x001A, 0x001E, 0x001F, 0x00E2, 0x038E, 0x0070,
2838 0x003B, 0x0001, 0x0000, 0x0019, 0x0018, 0x001E, 0x003A, 0x01C6,
2839 0x071E, 0x0E3E, 0x1C7E, 0x71FD, 0x71FC, 0x71FF, 0x71FE, 0x0002,
2840 0x0008, 0x001D, 0x001B, 0x0039, 0x001F, 0x000D, 0x000C, 0x001C
2842 0x0003, 0x000B, 0x001C, 0x000D, 0x0004, 0x000A, 0x0076, 0x00E8,
2843 0x01DC, 0x0001, 0x0000, 0x0033, 0x0032, 0x00E9, 0x03BB, 0x0774,
2844 0x1DD5, 0x3BAD, 0x3BAC, 0x3BAF, 0x3BAE, 0x3BA9, 0x3BA8, 0x0004,
2845 0x000A, 0x001F, 0x001E, 0x0030, 0x000B, 0x0075, 0x0031, 0x00EF
2847 0x0009, 0x001E, 0x000F, 0x000E, 0x000C, 0x0008, 0x0001, 0x00E3,
2848 0x00E2, 0x0002, 0x0000, 0x003A, 0x0039, 0x0070, 0x01DC, 0x0776,
2849 0x0775, 0x0EEF, 0x0EE8, 0x1DD3, 0x1DD2, 0x1DDD, 0x1DDC, 0x0005,
2850 0x001F, 0x001B, 0x0006, 0x006A, 0x0034, 0x0076, 0x006B, 0x00EF
2853 const VP30_AC_INTER_BITS: [[u8; 32]; 5] = [
2855 4, 6, 7, 7, 10, 13, 13, 5, 7, 3, 3, 4, 4, 5, 5, 6,
2856 7, 7, 8, 9, 11, 13, 13, 4, 4, 5, 5, 6, 4, 5, 4, 5
2858 3, 5, 6, 6, 8, 11, 14, 6, 6, 3, 3, 5, 5, 5, 6, 8,
2859 8, 9, 10, 12, 14, 14, 14, 3, 4, 5, 5, 6, 4, 5, 5, 6
2861 3, 4, 5, 5, 6, 8, 10, 7, 7, 3, 3, 5, 5, 6, 7, 9,
2862 11, 12, 13, 15, 15, 15, 15, 3, 4, 5, 5, 6, 5, 5, 5, 6
2864 3, 4, 5, 4, 4, 5, 7, 8, 9, 3, 3, 6, 6, 8, 10, 11,
2865 13, 14, 14, 14, 14, 14, 14, 3, 4, 5, 5, 6, 5, 7, 6, 8
2867 4, 5, 5, 4, 4, 4, 3, 9, 9, 3, 3, 7, 7, 8, 10, 12,
2868 12, 13, 13, 14, 14, 14, 14, 3, 5, 5, 4, 7, 6, 8, 7, 9
2871 const VP30_MBTYPE_CODES: [u8; 7] = [ 0x00, 0x08, 0x0A, 0x03, 0x0B, 0x13, 0x12 ];
2872 const VP30_MBTYPE_BITS: [u8; 7] = [ 1, 4, 4, 2, 4, 5, 5 ];
2873 const VP30_MBTYPE_SYMS: [VPMBType; 7] = [
2874 VPMBType::InterNoMV, VPMBType::Intra, VPMBType::InterMV, VPMBType::InterNearest,
2875 VPMBType::GoldenNoMV, VPMBType::GoldenMV, VPMBType::InterFourMV
2878 const VP40_DC_CODES: [[u32; 32]; 16] = [
2880 0x000C, 0x0070, 0x01CA, 0x01CB, 0x0391, 0x1C9B, 0x3935, 0x0071,
2881 0x3934, 0x000B, 0x000F, 0x0019, 0x0002, 0x0009, 0x0003, 0x001D,
2882 0x0018, 0x0007, 0x000D, 0x0002, 0x0000, 0x000A, 0x0008, 0x001A,
2883 0x0073, 0x006F, 0x0E4C, 0x0727, 0x0392, 0x0390, 0x0036, 0x006E
2885 0x0011, 0x007A, 0x0083, 0x0040, 0x0105, 0x0413, 0x0410, 0x007B,
2886 0x0822, 0x000E, 0x0002, 0x0002, 0x0006, 0x000A, 0x0007, 0x001F,
2887 0x0017, 0x0009, 0x000D, 0x0000, 0x000C, 0x0003, 0x003C, 0x002C,
2888 0x0021, 0x0169, 0x0412, 0x02D0, 0x02D1, 0x0823, 0x005B, 0x00B5
2890 0x0017, 0x0010, 0x00B6, 0x0022, 0x016A, 0x02D0, 0x0B48, 0x0077,
2891 0x1692, 0x0000, 0x0003, 0x0003, 0x0009, 0x000C, 0x0005, 0x0002,
2892 0x001C, 0x0008, 0x000D, 0x000F, 0x000A, 0x0009, 0x0023, 0x003A,
2893 0x002C, 0x016B, 0x05A5, 0x02D3, 0x02D1, 0x1693, 0x0076, 0x00B7
2895 0x001E, 0x0013, 0x00FB, 0x007C, 0x0046, 0x07D6, 0x0FA9, 0x0012,
2896 0x1F50, 0x0001, 0x0004, 0x0005, 0x000A, 0x000E, 0x0007, 0x0000,
2897 0x0017, 0x0006, 0x000D, 0x000C, 0x0001, 0x002C, 0x008F, 0x003F,
2898 0x002D, 0x01F4, 0x07D5, 0x008E, 0x07D7, 0x1F51, 0x0010, 0x0022
2900 0x0001, 0x002B, 0x0012, 0x0055, 0x0027, 0x03B0, 0x0762, 0x0077,
2901 0x0261, 0x0002, 0x0006, 0x0007, 0x000B, 0x000F, 0x0008, 0x0000,
2902 0x001C, 0x0003, 0x0009, 0x0006, 0x0014, 0x0054, 0x0131, 0x0005,
2903 0x003A, 0x01D9, 0x0099, 0x004D, 0x0763, 0x0260, 0x0008, 0x00ED
2905 0x0004, 0x0033, 0x0060, 0x0065, 0x00C2, 0x030D, 0x0619, 0x0064,
2906 0x1862, 0x0004, 0x0007, 0x000A, 0x000B, 0x000D, 0x0006, 0x0000,
2907 0x000F, 0x0003, 0x0005, 0x0002, 0x0002, 0x0077, 0x0C30, 0x0003,
2908 0x0031, 0x0187, 0x01D9, 0x00ED, 0x01D8, 0x1863, 0x001C, 0x003A
2910 0x0008, 0x000A, 0x006A, 0x0016, 0x001E, 0x034E, 0x069F, 0x0068,
2911 0x0D28, 0x0005, 0x0007, 0x0007, 0x000C, 0x0000, 0x0006, 0x001B,
2912 0x0012, 0x0002, 0x0004, 0x0013, 0x000E, 0x034B, 0x1A53, 0x0006,
2913 0x0017, 0x01A6, 0x069E, 0x01A4, 0x0695, 0x1A52, 0x006B, 0x001F
2915 0x000E, 0x000F, 0x0017, 0x0025, 0x009F, 0x0138, 0x024B, 0x0093,
2916 0x092A, 0x0005, 0x0000, 0x0008, 0x000D, 0x000F, 0x0006, 0x0004,
2917 0x000E, 0x0019, 0x0018, 0x000A, 0x009E, 0x0494, 0x1256, 0x0026,
2918 0x0016, 0x0124, 0x04E5, 0x0273, 0x04E4, 0x1257, 0x0048, 0x009D
2920 0x0004, 0x002C, 0x0050, 0x001E, 0x0071, 0x00E1, 0x00E0, 0x001D,
2921 0x0006, 0x0007, 0x0006, 0x0007, 0x0005, 0x0006, 0x0015, 0x0000,
2922 0x0029, 0x0002, 0x0006, 0x0001, 0x0023, 0x001F, 0x0039, 0x0009,
2923 0x0002, 0x0010, 0x0007, 0x002D, 0x002F, 0x002E, 0x0022, 0x0051
2925 0x0008, 0x002F, 0x0051, 0x0050, 0x02ED, 0x05D9, 0x05D8, 0x00BA,
2926 0x005C, 0x0007, 0x0006, 0x0009, 0x0006, 0x0007, 0x0016, 0x0005,
2927 0x002B, 0x0006, 0x000A, 0x0001, 0x000F, 0x001D, 0x0177, 0x0004,
2928 0x0001, 0x0004, 0x0001, 0x002A, 0x000B, 0x0029, 0x0000, 0x001C
2930 0x000A, 0x003C, 0x0074, 0x004E, 0x026D, 0x04D9, 0x04D8, 0x009A,
2931 0x004C, 0x0000, 0x0006, 0x0008, 0x0007, 0x0006, 0x0016, 0x0008,
2932 0x002E, 0x000A, 0x000B, 0x003D, 0x0024, 0x00EB, 0x0137, 0x001F,
2933 0x001C, 0x003B, 0x0012, 0x0025, 0x002F, 0x0013, 0x004F, 0x00EA
2935 0x000A, 0x000A, 0x0003, 0x0016, 0x0009, 0x0021, 0x0020, 0x00B3,
2936 0x0058, 0x0007, 0x0006, 0x0007, 0x0006, 0x0004, 0x0013, 0x0002,
2937 0x0025, 0x0000, 0x0003, 0x002D, 0x005D, 0x00B2, 0x0011, 0x0008,
2938 0x0002, 0x0006, 0x0017, 0x002F, 0x0007, 0x0024, 0x005C, 0x0005
2940 0x000B, 0x0013, 0x001F, 0x0031, 0x0021, 0x0295, 0x0528, 0x00A4,
2941 0x003C, 0x0000, 0x0007, 0x0006, 0x0005, 0x001B, 0x0012, 0x0032,
2942 0x001D, 0x002B, 0x0030, 0x001C, 0x003D, 0x014B, 0x0529, 0x0008,
2943 0x001A, 0x0033, 0x0011, 0x002A, 0x0009, 0x0028, 0x0053, 0x0020
2945 0x000E, 0x0015, 0x0029, 0x003F, 0x004D, 0x02F1, 0x05E0, 0x0092,
2946 0x0048, 0x0000, 0x0006, 0x0006, 0x0005, 0x0004, 0x000F, 0x002E,
2947 0x001D, 0x0028, 0x0027, 0x005F, 0x00BD, 0x0179, 0x05E1, 0x0008,
2948 0x001E, 0x002D, 0x001C, 0x002C, 0x003E, 0x0025, 0x004C, 0x0093
2950 0x000C, 0x0017, 0x0035, 0x0013, 0x0021, 0x00AD, 0x06F1, 0x01BD,
2951 0x00D9, 0x0000, 0x0007, 0x0007, 0x0006, 0x0004, 0x0011, 0x002A,
2952 0x006E, 0x0025, 0x0024, 0x0057, 0x00D8, 0x0379, 0x06F0, 0x0005,
2953 0x0016, 0x0029, 0x006D, 0x0028, 0x0034, 0x0020, 0x00DF, 0x00AC
2955 0x0000, 0x001A, 0x0006, 0x0019, 0x0030, 0x005A, 0x018A, 0x02DD,
2956 0x018B, 0x0001, 0x0007, 0x000A, 0x0009, 0x0002, 0x0010, 0x002E,
2957 0x006E, 0x002C, 0x000E, 0x005E, 0x00C4, 0x05B9, 0x05B8, 0x0011,
2958 0x0036, 0x005F, 0x001E, 0x0063, 0x006F, 0x001F, 0x00B6, 0x016F
2961 const VP40_DC_BITS: [[u8; 32]; 16] = [
2963 5, 7, 9, 9, 10, 13, 14, 7, 14, 4, 4, 5, 4, 4, 4, 5,
2964 5, 4, 4, 3, 3, 4, 4, 6, 7, 8, 12, 11, 10, 10, 7, 8
2966 5, 7, 8, 7, 9, 11, 11, 7, 12, 4, 3, 4, 4, 4, 4, 5,
2967 5, 4, 4, 3, 4, 4, 6, 6, 6, 9, 11, 10, 10, 12, 7, 8
2969 5, 6, 8, 7, 9, 10, 12, 7, 13, 3, 3, 4, 4, 4, 4, 4,
2970 5, 4, 4, 4, 4, 5, 7, 6, 6, 9, 11, 10, 10, 13, 7, 8
2972 5, 6, 8, 7, 8, 11, 12, 6, 13, 3, 3, 4, 4, 4, 4, 4,
2973 5, 4, 4, 4, 4, 6, 9, 6, 6, 9, 11, 9, 11, 13, 6, 7
2975 4, 6, 7, 7, 8, 10, 11, 7, 12, 3, 3, 4, 4, 4, 4, 4,
2976 5, 4, 4, 4, 5, 7, 11, 5, 6, 9, 10, 9, 11, 12, 6, 8
2978 4, 6, 7, 7, 8, 10, 11, 7, 13, 3, 3, 4, 4, 4, 4, 4,
2979 5, 4, 4, 4, 5, 8, 12, 5, 6, 9, 10, 9, 10, 13, 6, 7
2981 4, 5, 7, 6, 7, 10, 11, 7, 12, 3, 3, 4, 4, 3, 4, 5,
2982 5, 4, 4, 5, 6, 10, 13, 5, 6, 9, 11, 9, 11, 13, 7, 7
2984 4, 5, 6, 6, 8, 9, 10, 8, 12, 3, 2, 4, 4, 4, 4, 4,
2985 5, 5, 5, 5, 8, 11, 13, 6, 6, 9, 11, 10, 11, 13, 7, 8
2987 4, 6, 7, 7, 9, 10, 10, 7, 6, 3, 3, 4, 4, 4, 5, 5,
2988 6, 5, 5, 5, 6, 7, 8, 4, 4, 5, 6, 6, 6, 6, 6, 7
2990 4, 6, 7, 7, 10, 11, 11, 8, 7, 3, 3, 4, 4, 4, 5, 5,
2991 6, 5, 5, 5, 6, 7, 9, 4, 4, 5, 6, 6, 5, 6, 6, 7
2993 4, 6, 7, 7, 10, 11, 11, 8, 7, 2, 3, 4, 4, 4, 5, 5,
2994 6, 5, 5, 6, 6, 8, 9, 5, 5, 6, 6, 6, 6, 6, 7, 8
2996 4, 5, 6, 6, 8, 10, 10, 8, 7, 3, 3, 4, 4, 4, 5, 5,
2997 6, 5, 5, 6, 7, 8, 9, 4, 4, 5, 6, 6, 5, 6, 7, 7
2999 4, 5, 6, 6, 7, 10, 11, 8, 7, 2, 3, 4, 4, 5, 5, 6,
3000 6, 6, 6, 6, 7, 9, 11, 4, 5, 6, 6, 6, 5, 6, 7, 7
3002 4, 5, 6, 6, 7, 10, 11, 8, 7, 2, 3, 4, 4, 4, 5, 6,
3003 6, 6, 6, 7, 8, 9, 11, 4, 5, 6, 6, 6, 6, 6, 7, 8
3005 4, 5, 6, 5, 6, 8, 11, 9, 8, 2, 3, 4, 4, 4, 5, 6,
3006 7, 6, 6, 7, 8, 10, 11, 4, 5, 6, 7, 6, 6, 6, 8, 8
3008 3, 5, 5, 5, 6, 7, 9, 10, 9, 2, 3, 4, 4, 4, 5, 6,
3009 7, 6, 6, 7, 8, 11, 11, 5, 6, 7, 7, 7, 7, 7, 8, 9
3012 const VP40_AC_CAT0_CODES: [[u32; 32]; 16] = [
3014 0x0006, 0x001E, 0x01CC, 0x01CE, 0x0734, 0x1CD5, 0x1CD4, 0x0018,
3015 0x0E6B, 0x0000, 0x000F, 0x0006, 0x0007, 0x000D, 0x0008, 0x0002,
3016 0x0019, 0x0005, 0x000B, 0x000A, 0x001D, 0x0027, 0x01CF, 0x0004,
3017 0x0038, 0x000E, 0x004C, 0x001F, 0x004D, 0x039B, 0x0012, 0x0072
3019 0x0009, 0x004B, 0x0090, 0x0091, 0x0745, 0x1D11, 0x1D10, 0x0019,
3020 0x0E89, 0x0000, 0x000F, 0x0008, 0x0007, 0x000D, 0x000B, 0x0002,
3021 0x001C, 0x0003, 0x000A, 0x0005, 0x0018, 0x0010, 0x01D0, 0x0006,
3022 0x003B, 0x0011, 0x004A, 0x0049, 0x00E9, 0x03A3, 0x0013, 0x0075
3024 0x0019, 0x0074, 0x001D, 0x00EA, 0x0073, 0x01CA, 0x0396, 0x001C,
3025 0x00E4, 0x0002, 0x0001, 0x0007, 0x0008, 0x000D, 0x0009, 0x001F,
3026 0x0018, 0x0000, 0x0006, 0x001E, 0x003B, 0x00EB, 0x0397, 0x000A,
3027 0x0002, 0x002C, 0x005B, 0x005A, 0x000F, 0x0038, 0x0017, 0x0006
3029 0x001E, 0x006F, 0x00AE, 0x00AF, 0x0187, 0x061B, 0x0C35, 0x001A,
3030 0x030C, 0x0002, 0x0001, 0x0007, 0x0008, 0x000E, 0x0009, 0x001F,
3031 0x0014, 0x0000, 0x0001, 0x0019, 0x002A, 0x0060, 0x0C34, 0x000B,
3032 0x000D, 0x0036, 0x006E, 0x0056, 0x0031, 0x00C2, 0x0018, 0x0019
3034 0x0001, 0x002C, 0x0005, 0x0015, 0x0008, 0x0097, 0x012D, 0x0017,
3035 0x004A, 0x0003, 0x0002, 0x0009, 0x000A, 0x000E, 0x0008, 0x001F,
3036 0x0007, 0x001E, 0x001B, 0x0004, 0x005A, 0x0024, 0x012C, 0x000C,
3037 0x0006, 0x0000, 0x0003, 0x005B, 0x0014, 0x0013, 0x001A, 0x000B
3039 0x0004, 0x0000, 0x0017, 0x0063, 0x018B, 0x0310, 0x0C44, 0x0019,
3040 0x0623, 0x0004, 0x0003, 0x000A, 0x000B, 0x000D, 0x0003, 0x001C,
3041 0x0003, 0x000A, 0x0004, 0x0003, 0x018A, 0x188B, 0x188A, 0x000F,
3042 0x000B, 0x0002, 0x000A, 0x0002, 0x0016, 0x0189, 0x001D, 0x0030
3044 0x000D, 0x0003, 0x0077, 0x000D, 0x0082, 0x020D, 0x0830, 0x0019,
3045 0x0419, 0x0003, 0x0002, 0x000A, 0x0009, 0x000B, 0x0002, 0x0011,
3046 0x0039, 0x0002, 0x0021, 0x0040, 0x1063, 0x20C5, 0x20C4, 0x000F,
3047 0x0018, 0x0007, 0x0038, 0x000C, 0x0076, 0x0107, 0x0000, 0x003A
3049 0x000F, 0x001C, 0x0036, 0x0008, 0x0061, 0x0091, 0x0243, 0x0009,
3050 0x0120, 0x0005, 0x0003, 0x0008, 0x0005, 0x0001, 0x0013, 0x0031,
3051 0x0076, 0x0060, 0x0093, 0x0909, 0x0908, 0x090B, 0x090A, 0x0001,
3052 0x001A, 0x0019, 0x003A, 0x0025, 0x0077, 0x0092, 0x0000, 0x0037
3054 0x001F, 0x0079, 0x00F1, 0x00F0, 0x011B, 0x0469, 0x0468, 0x003B,
3055 0x0022, 0x0005, 0x0004, 0x0007, 0x0005, 0x0006, 0x001C, 0x0001,
3056 0x0035, 0x003D, 0x003A, 0x0010, 0x0047, 0x008C, 0x0235, 0x0001,
3057 0x0001, 0x0019, 0x0000, 0x0030, 0x0009, 0x0031, 0x001B, 0x0034
3059 0x0003, 0x001B, 0x00F3, 0x00FD, 0x03C9, 0x0F20, 0x1E42, 0x003D,
3060 0x00FC, 0x0006, 0x0004, 0x0002, 0x0000, 0x0001, 0x0017, 0x003E,
3061 0x001A, 0x0039, 0x002B, 0x0078, 0x01E5, 0x0791, 0x1E43, 0x0002,
3062 0x0007, 0x001D, 0x000C, 0x0038, 0x0014, 0x007F, 0x0016, 0x002A
3064 0x0007, 0x0039, 0x0051, 0x0078, 0x03CB, 0x0F29, 0x1E51, 0x003D,
3065 0x00F3, 0x0006, 0x0004, 0x0002, 0x0000, 0x0001, 0x0017, 0x003E,
3066 0x007F, 0x002B, 0x007E, 0x0050, 0x01E4, 0x0795, 0x1E50, 0x0002,
3067 0x0006, 0x001D, 0x0006, 0x0038, 0x0007, 0x0029, 0x0016, 0x002A
3069 0x0008, 0x003B, 0x001D, 0x0072, 0x01CC, 0x0734, 0x1CD5, 0x003A,
3070 0x001C, 0x0006, 0x0005, 0x0002, 0x0001, 0x0000, 0x0012, 0x003E,
3071 0x007F, 0x001E, 0x007E, 0x00E7, 0x039B, 0x0E6B, 0x1CD4, 0x0002,
3072 0x0006, 0x001E, 0x000E, 0x0038, 0x0006, 0x000F, 0x0013, 0x001F
3074 0x000D, 0x003F, 0x0073, 0x000C, 0x00E4, 0x072B, 0x0E54, 0x003A,
3075 0x001A, 0x0005, 0x0004, 0x0002, 0x0001, 0x0000, 0x0007, 0x0038,
3076 0x0076, 0x0077, 0x001B, 0x01CB, 0x0394, 0x1CAB, 0x1CAA, 0x0002,
3077 0x0006, 0x001E, 0x000E, 0x003E, 0x0019, 0x001F, 0x0018, 0x001E
3079 0x000E, 0x0007, 0x000C, 0x001C, 0x00BD, 0x02F3, 0x0BC9, 0x001F,
3080 0x00BF, 0x0006, 0x0004, 0x0002, 0x0001, 0x001E, 0x0001, 0x000D,
3081 0x003A, 0x003B, 0x00BE, 0x0178, 0x05E5, 0x1791, 0x1790, 0x0002,
3082 0x0006, 0x001F, 0x0016, 0x0000, 0x0015, 0x002E, 0x0014, 0x001E
3084 0x0000, 0x001B, 0x0031, 0x003A, 0x0060, 0x006F, 0x01B9, 0x000E,
3085 0x001A, 0x0005, 0x0003, 0x0002, 0x001F, 0x001A, 0x0039, 0x000C,
3086 0x00C3, 0x00C2, 0x0036, 0x00DD, 0x0370, 0x06E3, 0x06E2, 0x0002,
3087 0x0008, 0x001E, 0x0019, 0x003B, 0x0012, 0x000F, 0x0013, 0x0038
3089 0x0002, 0x0000, 0x0003, 0x001C, 0x0032, 0x001C, 0x0199, 0x0004,
3090 0x00CD, 0x0004, 0x0003, 0x001B, 0x001A, 0x003D, 0x0067, 0x003B,
3091 0x0198, 0x0075, 0x00E9, 0x03A1, 0x03A0, 0x03A3, 0x03A2, 0x0005,
3092 0x0002, 0x001F, 0x001D, 0x003C, 0x0018, 0x000F, 0x0006, 0x0005
3095 const VP40_AC_CAT0_BITS: [[u8; 32]; 16] = [
3097 5, 7, 9, 9, 11, 13, 13, 5, 12, 3, 4, 4, 4, 4, 4, 4,
3098 5, 4, 4, 4, 5, 6, 9, 4, 6, 6, 7, 7, 7, 10, 5, 7
3100 5, 7, 8, 8, 11, 13, 13, 5, 12, 3, 4, 4, 4, 4, 4, 4,
3101 5, 4, 4, 4, 5, 6, 9, 4, 6, 6, 7, 7, 8, 10, 5, 7
3103 5, 7, 8, 8, 10, 12, 13, 5, 11, 3, 3, 4, 4, 4, 4, 5,
3104 5, 4, 4, 5, 6, 8, 13, 4, 5, 6, 7, 7, 7, 9, 5, 6
3106 5, 7, 8, 8, 10, 12, 13, 5, 11, 3, 3, 4, 4, 4, 4, 5,
3107 5, 4, 4, 5, 6, 8, 13, 4, 5, 6, 7, 7, 7, 9, 5, 6
3109 4, 6, 7, 7, 8, 12, 13, 5, 11, 3, 3, 4, 4, 4, 4, 5,
3110 5, 5, 5, 5, 7, 10, 13, 4, 5, 5, 6, 7, 7, 9, 5, 6
3112 4, 5, 7, 7, 9, 10, 12, 5, 11, 3, 3, 4, 4, 4, 4, 5,
3113 5, 5, 5, 6, 9, 13, 13, 4, 5, 5, 6, 6, 7, 9, 5, 6
3115 4, 5, 7, 6, 8, 10, 12, 5, 11, 3, 3, 4, 4, 4, 4, 5,
3116 6, 5, 6, 7, 13, 14, 14, 4, 5, 5, 6, 6, 7, 9, 4, 6
3118 4, 5, 6, 5, 7, 8, 10, 5, 9, 3, 3, 4, 4, 4, 5, 6,
3119 7, 7, 8, 12, 12, 12, 12, 3, 5, 5, 6, 6, 7, 8, 4, 6
3121 5, 7, 8, 8, 10, 12, 12, 6, 7, 3, 3, 4, 4, 4, 5, 5,
3122 6, 6, 6, 6, 8, 9, 11, 3, 4, 5, 5, 6, 5, 6, 5, 6
3124 4, 6, 8, 8, 10, 12, 13, 6, 8, 3, 3, 4, 4, 4, 5, 6,
3125 6, 6, 6, 7, 9, 11, 13, 3, 4, 5, 5, 6, 5, 7, 5, 6
3127 4, 6, 7, 7, 10, 12, 13, 6, 8, 3, 3, 4, 4, 4, 5, 6,
3128 7, 6, 7, 7, 9, 11, 13, 3, 4, 5, 5, 6, 5, 6, 5, 6
3130 4, 6, 7, 7, 9, 11, 13, 6, 7, 3, 3, 4, 4, 4, 5, 6,
3131 7, 6, 7, 8, 10, 12, 13, 3, 4, 5, 5, 6, 5, 6, 5, 6
3133 4, 6, 7, 6, 8, 11, 12, 6, 7, 3, 3, 4, 4, 4, 5, 6,
3134 7, 7, 7, 9, 10, 13, 13, 3, 4, 5, 5, 6, 5, 6, 5, 6
3136 4, 5, 6, 6, 8, 10, 12, 6, 8, 3, 3, 4, 4, 5, 5, 6,
3137 7, 7, 8, 9, 11, 13, 13, 3, 4, 5, 5, 5, 5, 6, 5, 6
3139 3, 5, 6, 6, 7, 9, 11, 6, 7, 3, 3, 4, 5, 5, 6, 6,
3140 8, 8, 8, 10, 12, 13, 13, 3, 4, 5, 5, 6, 5, 6, 5, 6
3142 3, 4, 5, 5, 6, 7, 9, 6, 8, 3, 3, 5, 5, 6, 7, 8,
3143 9, 9, 10, 12, 12, 12, 12, 3, 4, 5, 5, 6, 5, 6, 5, 6
3146 const VP40_AC_CAT1_CODES: [[u32; 32]; 16] = [
3148 0x0004, 0x00F5, 0x0182, 0x060F, 0x1839, 0x1838, 0x183B, 0x0013,
3149 0x00C0, 0x0003, 0x0002, 0x000B, 0x000A, 0x000E, 0x0008, 0x0001,
3150 0x0012, 0x001F, 0x0000, 0x0006, 0x007B, 0x0306, 0x183A, 0x000D,
3151 0x0007, 0x0031, 0x000A, 0x0061, 0x003C, 0x00F4, 0x0019, 0x000B
3153 0x000A, 0x001A, 0x01D8, 0x03B3, 0x0ECA, 0x1D96, 0x3B2F, 0x0014,
3154 0x0036, 0x0004, 0x0003, 0x000C, 0x000B, 0x0000, 0x0004, 0x001C,
3155 0x0005, 0x0015, 0x0007, 0x0017, 0x0037, 0x0764, 0x3B2E, 0x000F,
3156 0x001A, 0x003A, 0x000C, 0x0077, 0x0004, 0x00ED, 0x001B, 0x0016
3158 0x001A, 0x002D, 0x0058, 0x01F4, 0x07D4, 0x1F55, 0x1F54, 0x0014,
3159 0x0059, 0x0004, 0x0003, 0x000B, 0x000C, 0x000E, 0x0004, 0x0015,
3160 0x0005, 0x0007, 0x0004, 0x007C, 0x03EB, 0x1F57, 0x1F56, 0x0000,
3161 0x001B, 0x003F, 0x000D, 0x000C, 0x000A, 0x00FB, 0x001E, 0x0017
3163 0x0000, 0x0075, 0x004A, 0x0097, 0x025B, 0x0969, 0x0968, 0x000B,
3164 0x00E8, 0x0005, 0x0004, 0x0007, 0x000C, 0x000D, 0x0001, 0x000A,
3165 0x0039, 0x003B, 0x0018, 0x00E9, 0x012C, 0x096B, 0x096A, 0x0001,
3166 0x001F, 0x0008, 0x0019, 0x0013, 0x000D, 0x0024, 0x001E, 0x0038
3168 0x0004, 0x0014, 0x006E, 0x0057, 0x0159, 0x0562, 0x0AC7, 0x000B,
3169 0x006F, 0x0006, 0x0005, 0x0008, 0x0009, 0x0007, 0x001E, 0x0002,
3170 0x0007, 0x0006, 0x002A, 0x00AD, 0x0AC6, 0x0561, 0x0560, 0x0001,
3171 0x001F, 0x000C, 0x0039, 0x001A, 0x0000, 0x0036, 0x001D, 0x0038
3173 0x0007, 0x001B, 0x000E, 0x000D, 0x03E1, 0x1F06, 0x3E0F, 0x0002,
3174 0x00F9, 0x0005, 0x0006, 0x0008, 0x0009, 0x0004, 0x000C, 0x001A,
3175 0x000F, 0x000C, 0x01F1, 0x07C0, 0x3E0E, 0x1F05, 0x1F04, 0x0001,
3176 0x0000, 0x001C, 0x003F, 0x003D, 0x0005, 0x007D, 0x001D, 0x003C
3178 0x000F, 0x000A, 0x0071, 0x0006, 0x01C2, 0x0702, 0x1C0E, 0x0002,
3179 0x000E, 0x0005, 0x0004, 0x0006, 0x0007, 0x001D, 0x0017, 0x000F,
3180 0x01C3, 0x01C1, 0x0380, 0x381F, 0x381E, 0x1C0D, 0x1C0C, 0x0001,
3181 0x0004, 0x0018, 0x0001, 0x0000, 0x000D, 0x0016, 0x0019, 0x0039
3183 0x0002, 0x001E, 0x003B, 0x000D, 0x0061, 0x01FA, 0x1FB5, 0x0031,
3184 0x00FC, 0x0004, 0x0005, 0x0001, 0x0007, 0x003A, 0x0060, 0x03F7,
3185 0x07EC, 0x1FB7, 0x3F6C, 0x7EDB, 0x7EDA, 0x3F69, 0x3F68, 0x0001,
3186 0x0000, 0x0019, 0x003E, 0x0039, 0x000D, 0x0038, 0x000C, 0x007F
3188 0x001E, 0x0070, 0x0127, 0x0126, 0x0492, 0x124D, 0x124C, 0x0001,
3189 0x007F, 0x0006, 0x0005, 0x0005, 0x0004, 0x0001, 0x0007, 0x0025,
3190 0x0071, 0x007E, 0x0048, 0x0125, 0x0248, 0x124F, 0x124E, 0x0003,
3191 0x0008, 0x001D, 0x0006, 0x003E, 0x0002, 0x0000, 0x0013, 0x0039
3193 0x0001, 0x0001, 0x00E7, 0x0091, 0x0240, 0x120D, 0x120C, 0x003C,
3194 0x0000, 0x0006, 0x0005, 0x0005, 0x0004, 0x001F, 0x0004, 0x0025,
3195 0x0072, 0x0049, 0x00E6, 0x0121, 0x0482, 0x120F, 0x120E, 0x0003,
3196 0x0008, 0x001D, 0x0005, 0x003D, 0x0003, 0x0001, 0x0013, 0x0038
3198 0x0004, 0x000F, 0x00F4, 0x005B, 0x02D3, 0x0B4A, 0x1697, 0x003C,
3199 0x000E, 0x0006, 0x0005, 0x0002, 0x0001, 0x001D, 0x0000, 0x007B,
3200 0x002C, 0x00F5, 0x00B5, 0x0168, 0x1696, 0x0B49, 0x0B48, 0x0003,
3201 0x0009, 0x001F, 0x000A, 0x0001, 0x0008, 0x0006, 0x001C, 0x0017
3203 0x0008, 0x0039, 0x001A, 0x0003, 0x00DB, 0x06D6, 0x0DAF, 0x003C,
3204 0x000C, 0x0006, 0x0005, 0x0002, 0x0001, 0x001D, 0x003D, 0x0000,
3205 0x0002, 0x0037, 0x006C, 0x01B4, 0x0DAE, 0x06D5, 0x06D4, 0x0002,
3206 0x0007, 0x001F, 0x0007, 0x0001, 0x0009, 0x000D, 0x000C, 0x0038
3208 0x000F, 0x0004, 0x002F, 0x002E, 0x0054, 0x0555, 0x0554, 0x0016,
3209 0x000E, 0x0006, 0x0005, 0x0001, 0x0000, 0x0009, 0x000B, 0x0014,
3210 0x0057, 0x0056, 0x00AB, 0x0557, 0x0556, 0x02A9, 0x02A8, 0x0003,
3211 0x0008, 0x0013, 0x000A, 0x0008, 0x000E, 0x0012, 0x0006, 0x000F
3213 0x0001, 0x000E, 0x0006, 0x0004, 0x00DA, 0x0DBE, 0x1B7E, 0x0007,
3214 0x001A, 0x0005, 0x0004, 0x001C, 0x001B, 0x003A, 0x0037, 0x006C,
3215 0x01B6, 0x036E, 0x0DBD, 0x36FF, 0x36FE, 0x1B79, 0x1B78, 0x0002,
3216 0x000C, 0x0000, 0x000F, 0x000C, 0x000F, 0x001A, 0x003B, 0x0005
3218 0x0005, 0x001E, 0x003A, 0x003E, 0x00FC, 0x0FD7, 0x3F55, 0x0077,
3219 0x0030, 0x0003, 0x0004, 0x001A, 0x0019, 0x007F, 0x01FB, 0x03F4,
3220 0x0FD6, 0x1FA9, 0x3F54, 0x3F57, 0x3F56, 0x3F51, 0x3F50, 0x0001,
3221 0x0004, 0x001C, 0x000B, 0x000A, 0x0000, 0x001B, 0x0031, 0x0076
3223 0x0005, 0x000C, 0x001B, 0x0008, 0x0038, 0x0015, 0x00A3, 0x00E6,
3224 0x0004, 0x0001, 0x0002, 0x0012, 0x0003, 0x000B, 0x0029, 0x00A0,
3225 0x0142, 0x0287, 0x0286, 0x0289, 0x0288, 0x028B, 0x028A, 0x000F,
3226 0x001D, 0x0013, 0x0001, 0x0000, 0x0003, 0x001A, 0x0072, 0x00E7
3229 const VP40_AC_CAT1_BITS: [[u8; 32]; 16] = [
3231 5, 8, 9, 11, 13, 13, 13, 5, 8, 3, 3, 4, 4, 4, 4, 4,
3232 5, 5, 4, 5, 7, 10, 13, 4, 5, 6, 6, 7, 6, 8, 5, 6
3234 5, 7, 9, 10, 12, 13, 14, 5, 8, 3, 3, 4, 4, 3, 4, 5,
3235 5, 5, 5, 6, 8, 11, 14, 4, 5, 6, 6, 7, 5, 8, 5, 6
3237 5, 7, 8, 9, 11, 13, 13, 5, 8, 3, 3, 4, 4, 4, 4, 5,
3238 5, 5, 5, 7, 10, 13, 13, 3, 5, 6, 6, 6, 5, 8, 5, 6
3240 4, 7, 8, 9, 11, 13, 13, 5, 8, 3, 3, 4, 4, 4, 4, 5,
3241 6, 6, 6, 8, 10, 13, 13, 3, 5, 5, 6, 6, 5, 7, 5, 6
3243 4, 6, 8, 8, 10, 12, 13, 5, 8, 3, 3, 4, 4, 4, 5, 5,
3244 6, 6, 7, 9, 13, 12, 12, 3, 5, 5, 6, 6, 4, 7, 5, 6
3246 4, 6, 7, 7, 10, 13, 14, 5, 8, 3, 3, 4, 4, 4, 5, 6,
3247 7, 7, 9, 11, 14, 13, 13, 3, 4, 5, 6, 6, 4, 7, 5, 6
3249 4, 5, 7, 6, 9, 11, 13, 5, 7, 3, 3, 4, 4, 5, 6, 7,
3250 9, 9, 10, 14, 14, 13, 13, 3, 4, 5, 5, 5, 4, 6, 5, 6
3252 3, 5, 6, 5, 7, 9, 13, 6, 8, 3, 3, 4, 4, 6, 7, 10,
3253 11, 13, 14, 15, 15, 14, 14, 3, 4, 5, 6, 6, 4, 6, 5, 7
3255 5, 7, 9, 9, 11, 13, 13, 5, 7, 3, 3, 4, 4, 4, 5, 6,
3256 7, 7, 7, 9, 10, 13, 13, 3, 4, 5, 5, 6, 4, 5, 5, 6
3258 4, 6, 8, 8, 10, 13, 13, 6, 6, 3, 3, 4, 4, 5, 5, 6,
3259 7, 7, 8, 9, 11, 13, 13, 3, 4, 5, 5, 6, 4, 5, 5, 6
3261 4, 6, 8, 8, 11, 13, 14, 6, 6, 3, 3, 4, 4, 5, 5, 7,
3262 7, 8, 9, 10, 14, 13, 13, 3, 4, 5, 5, 5, 4, 5, 5, 6
3264 4, 6, 7, 7, 10, 13, 14, 6, 6, 3, 3, 4, 4, 5, 6, 6,
3265 7, 8, 9, 11, 14, 13, 13, 3, 4, 5, 5, 5, 4, 5, 5, 6
3267 4, 5, 7, 7, 9, 13, 13, 6, 6, 3, 3, 4, 4, 5, 6, 7,
3268 9, 9, 10, 13, 13, 12, 12, 3, 4, 5, 5, 5, 4, 5, 5, 6
3270 3, 5, 6, 6, 9, 13, 14, 6, 6, 3, 3, 5, 5, 6, 7, 8,
3271 10, 11, 13, 15, 15, 14, 14, 3, 4, 4, 5, 5, 4, 5, 6, 6
3273 3, 5, 6, 6, 8, 12, 14, 7, 6, 3, 3, 5, 5, 7, 9, 10,
3274 12, 13, 14, 14, 14, 14, 14, 3, 4, 5, 5, 5, 3, 5, 6, 7
3276 3, 4, 5, 4, 6, 8, 11, 8, 6, 3, 3, 5, 5, 7, 9, 11,
3277 12, 13, 13, 13, 13, 13, 13, 4, 5, 5, 5, 5, 3, 5, 7, 8
3280 const VP40_AC_CAT2_CODES: [[u32; 32]; 16] = [
3282 0x0009, 0x0015, 0x0028, 0x0052, 0x029A, 0x0537, 0x0536, 0x000A,
3283 0x0054, 0x0004, 0x0003, 0x000C, 0x000B, 0x000D, 0x0003, 0x0014,
3284 0x003A, 0x0004, 0x0038, 0x0055, 0x00A7, 0x0299, 0x0298, 0x0000,
3285 0x001E, 0x0008, 0x002B, 0x000B, 0x000B, 0x003B, 0x001F, 0x0039
3287 0x001D, 0x002F, 0x0002, 0x0007, 0x0019, 0x0035, 0x0034, 0x0009,
3288 0x002E, 0x0006, 0x0005, 0x0009, 0x0008, 0x0007, 0x001F, 0x0008,
3289 0x0018, 0x0019, 0x0001, 0x0000, 0x0018, 0x0037, 0x0036, 0x0001,
3290 0x0001, 0x000A, 0x0039, 0x0016, 0x000D, 0x0001, 0x001E, 0x0038
3292 0x0001, 0x0071, 0x00E0, 0x01C3, 0x0708, 0x1C26, 0x384F, 0x0001,
3293 0x0031, 0x0006, 0x0005, 0x0009, 0x0008, 0x0005, 0x000F, 0x0039,
3294 0x0077, 0x0076, 0x0030, 0x0385, 0x384E, 0x1C25, 0x1C24, 0x0001,
3295 0x0004, 0x000D, 0x0000, 0x0019, 0x001F, 0x000E, 0x001E, 0x003A
3297 0x0006, 0x000C, 0x00D6, 0x007B, 0x01E8, 0x07A4, 0x0F4B, 0x0036,
3298 0x006A, 0x0007, 0x0005, 0x0008, 0x0009, 0x0001, 0x0007, 0x000D,
3299 0x003C, 0x00D7, 0x00F5, 0x07A7, 0x0F4A, 0x0F4D, 0x0F4C, 0x0002,
3300 0x0002, 0x000E, 0x0037, 0x0034, 0x0000, 0x0019, 0x0018, 0x001F
3302 0x000A, 0x0027, 0x00BF, 0x00BE, 0x0224, 0x225D, 0x225C, 0x0026,
3303 0x005E, 0x0007, 0x0006, 0x0006, 0x0007, 0x0016, 0x002E, 0x0045,
3304 0x0088, 0x0113, 0x044A, 0x225F, 0x225E, 0x112D, 0x112C, 0x0002,
3305 0x0002, 0x0012, 0x0003, 0x0002, 0x0003, 0x0000, 0x0010, 0x0023
3307 0x000F, 0x0006, 0x0075, 0x0074, 0x000A, 0x00BF, 0x00B9, 0x0022,
3308 0x0003, 0x0005, 0x0006, 0x0001, 0x0002, 0x0007, 0x0000, 0x0004,
3309 0x0016, 0x005E, 0x00B8, 0x00BB, 0x00BA, 0x017D, 0x017C, 0x0002,
3310 0x0006, 0x001C, 0x0010, 0x003B, 0x0009, 0x0007, 0x0001, 0x0023
3312 0x0001, 0x001C, 0x0036, 0x003B, 0x00EA, 0x075B, 0x1D65, 0x0019,
3313 0x0074, 0x0004, 0x0005, 0x0000, 0x0001, 0x0037, 0x01D7, 0x075A,
3314 0x1D64, 0x1D67, 0x1D66, 0x1D61, 0x1D60, 0x1D63, 0x1D62, 0x0002,
3315 0x001F, 0x001A, 0x000D, 0x003D, 0x000C, 0x0007, 0x003C, 0x0018
3317 0x0002, 0x0001, 0x0014, 0x0000, 0x002F, 0x00BB, 0x02E4, 0x007D,
3318 0x00BA, 0x0003, 0x0004, 0x0016, 0x001A, 0x00B8, 0x172E, 0x2E5F,
3319 0x2E5E, 0x1729, 0x1728, 0x172B, 0x172A, 0x172D, 0x172C, 0x0001,
3320 0x001E, 0x0015, 0x001B, 0x003F, 0x000C, 0x000E, 0x007C, 0x0173
3322 0x0003, 0x007B, 0x0058, 0x01EA, 0x1EB1, 0x1EB0, 0x1EB3, 0x0013,
3323 0x0012, 0x0005, 0x0006, 0x0002, 0x0001, 0x0013, 0x003C, 0x002D,
3324 0x00F4, 0x0059, 0x03D7, 0x0F5B, 0x1EB2, 0x1EB5, 0x1EB4, 0x0003,
3325 0x000E, 0x001F, 0x0012, 0x0008, 0x0008, 0x0000, 0x000A, 0x0017
3327 0x0008, 0x003C, 0x00F5, 0x00F4, 0x1EF7, 0x3DE9, 0x3DE8, 0x001C,
3328 0x000D, 0x0005, 0x0006, 0x0001, 0x0000, 0x0007, 0x000C, 0x00F6,
3329 0x01EE, 0x03DF, 0x07BC, 0x3DEB, 0x3DEA, 0x3DED, 0x3DEC, 0x0002,
3330 0x0009, 0x001F, 0x000F, 0x0005, 0x000E, 0x0006, 0x0004, 0x001D
3332 0x0009, 0x0039, 0x0019, 0x0018, 0x0706, 0x383D, 0x383C, 0x000D,
3333 0x000F, 0x0005, 0x0006, 0x0000, 0x001D, 0x0003, 0x0071, 0x00E1,
3334 0x01C0, 0x0382, 0x1C1D, 0x383F, 0x383E, 0x3839, 0x3838, 0x0002,
3335 0x0008, 0x0002, 0x000D, 0x000C, 0x000F, 0x0007, 0x0002, 0x000E
3337 0x0000, 0x0006, 0x0035, 0x0034, 0x0777, 0x1DD4, 0x3BAB, 0x000E,
3338 0x000F, 0x0005, 0x0004, 0x001C, 0x0019, 0x003A, 0x00EF, 0x01DC,
3339 0x0776, 0x0774, 0x3BAA, 0x3BAD, 0x3BAC, 0x3BAF, 0x3BAE, 0x0002,
3340 0x0007, 0x0002, 0x0018, 0x000C, 0x000F, 0x000D, 0x001B, 0x0076
3342 0x0002, 0x0011, 0x0006, 0x004F, 0x0130, 0x1319, 0x1318, 0x004E,
3343 0x0007, 0x0006, 0x0005, 0x0010, 0x000D, 0x0005, 0x0099, 0x0262,
3344 0x098E, 0x131B, 0x131A, 0x263D, 0x263C, 0x263F, 0x263E, 0x0001,
3345 0x0007, 0x0000, 0x0012, 0x000C, 0x000E, 0x000F, 0x0004, 0x004D
3347 0x0003, 0x0000, 0x0002, 0x0037, 0x01B7, 0x0DB5, 0x36DD, 0x006C,
3348 0x0016, 0x0005, 0x0004, 0x0003, 0x000A, 0x002E, 0x036C, 0x0DB4,
3349 0x36DC, 0x36DF, 0x36DE, 0x36D9, 0x36D8, 0x36DB, 0x36DA, 0x000E,
3350 0x0004, 0x001A, 0x0019, 0x0018, 0x000F, 0x0001, 0x002F, 0x00DA
3352 0x0006, 0x0006, 0x000F, 0x0000, 0x0075, 0x03B8, 0x1DCA, 0x0074,
3353 0x0076, 0x0004, 0x0005, 0x0003, 0x0002, 0x01DE, 0x0EE6, 0x3B97,
3354 0x3B96, 0x3B9D, 0x3B9C, 0x3B9F, 0x3B9E, 0x1DC9, 0x1DC8, 0x0005,
3355 0x001C, 0x0009, 0x000E, 0x0008, 0x000F, 0x0001, 0x01DF, 0x01DD
3357 0x0004, 0x000B, 0x001D, 0x000C, 0x0014, 0x00E0, 0x3875, 0x0386,
3358 0x01C2, 0x0000, 0x0001, 0x0071, 0x0072, 0x1C3F, 0x3874, 0x3877,
3359 0x3876, 0x3871, 0x3870, 0x3873, 0x3872, 0x3879, 0x3878, 0x003C,
3360 0x0073, 0x002A, 0x003D, 0x002B, 0x001F, 0x000D, 0x1C3E, 0x1C3D
3363 const VP40_AC_CAT2_BITS: [[u8; 32]; 16] = [
3365 5, 7, 8, 9, 12, 13, 13, 5, 7, 3, 3, 4, 4, 4, 4, 5,
3366 6, 5, 6, 7, 10, 12, 12, 3, 5, 5, 6, 6, 5, 6, 5, 6
3368 5, 7, 8, 9, 11, 12, 12, 5, 7, 3, 3, 4, 4, 4, 5, 5,
3369 6, 6, 6, 7, 11, 12, 12, 3, 4, 5, 6, 6, 5, 5, 5, 6
3371 4, 7, 8, 9, 11, 13, 14, 5, 7, 3, 3, 4, 4, 4, 5, 6,
3372 7, 7, 7, 10, 14, 13, 13, 3, 4, 5, 5, 6, 5, 5, 5, 6
3374 4, 6, 8, 8, 10, 12, 13, 6, 7, 3, 3, 4, 4, 4, 5, 6,
3375 7, 8, 9, 12, 13, 13, 13, 3, 4, 5, 6, 6, 4, 5, 5, 6
3377 4, 6, 8, 8, 10, 14, 14, 6, 7, 3, 3, 4, 4, 5, 6, 7,
3378 8, 9, 11, 14, 14, 13, 13, 3, 4, 5, 5, 5, 4, 4, 5, 6
3380 4, 5, 7, 7, 9, 13, 13, 6, 7, 3, 3, 4, 4, 5, 6, 8,
3381 10, 12, 13, 13, 13, 14, 14, 3, 4, 5, 5, 6, 4, 4, 5, 6
3383 3, 5, 6, 6, 8, 11, 13, 6, 7, 3, 3, 4, 4, 6, 9, 11,
3384 13, 13, 13, 13, 13, 13, 13, 3, 5, 5, 5, 6, 4, 4, 6, 6
3386 3, 4, 5, 4, 6, 8, 10, 7, 8, 3, 3, 5, 5, 8, 13, 14,
3387 14, 13, 13, 13, 13, 13, 13, 3, 5, 5, 5, 6, 4, 4, 7, 9
3389 4, 7, 8, 9, 13, 13, 13, 6, 6, 3, 3, 4, 4, 5, 6, 7,
3390 8, 8, 10, 12, 13, 13, 13, 3, 4, 5, 5, 5, 4, 4, 5, 6
3392 4, 6, 8, 8, 13, 14, 14, 6, 6, 3, 3, 4, 4, 5, 6, 8,
3393 9, 10, 11, 14, 14, 14, 14, 3, 4, 5, 5, 5, 4, 4, 5, 6
3395 4, 6, 7, 7, 11, 14, 14, 6, 6, 3, 3, 4, 5, 5, 7, 8,
3396 9, 10, 13, 14, 14, 14, 14, 3, 4, 4, 5, 5, 4, 4, 5, 6
3398 3, 5, 7, 7, 11, 13, 14, 6, 6, 3, 3, 5, 5, 6, 8, 9,
3399 11, 11, 14, 14, 14, 14, 14, 3, 4, 4, 5, 5, 4, 4, 6, 7
3401 3, 5, 6, 7, 9, 13, 13, 7, 6, 3, 3, 5, 5, 6, 8, 10,
3402 12, 13, 13, 14, 14, 14, 14, 3, 4, 4, 5, 5, 4, 4, 6, 7
3404 3, 4, 5, 6, 9, 12, 14, 7, 6, 3, 3, 5, 5, 7, 10, 12,
3405 14, 14, 14, 14, 14, 14, 14, 4, 4, 5, 5, 5, 4, 3, 7, 8
3407 3, 4, 5, 4, 7, 10, 13, 7, 7, 3, 3, 5, 5, 9, 12, 14,
3408 14, 14, 14, 14, 14, 13, 13, 4, 5, 5, 5, 5, 4, 3, 9, 9
3410 3, 4, 5, 4, 5, 8, 14, 10, 9, 2, 2, 7, 7, 13, 14, 14,
3411 14, 14, 14, 14, 14, 14, 14, 6, 7, 6, 6, 6, 5, 4, 13, 13
3414 const VP40_AC_CAT3_CODES: [[u32; 32]; 16] = [
3416 0x0007, 0x000F, 0x00BB, 0x00BA, 0x05CF, 0x173A, 0x2E77, 0x0029,
3417 0x0172, 0x0007, 0x0006, 0x0009, 0x0008, 0x0001, 0x0005, 0x000D,
3418 0x001D, 0x001C, 0x00B8, 0x02E6, 0x2E76, 0x1739, 0x1738, 0x0002,
3419 0x0006, 0x0016, 0x0004, 0x0028, 0x0015, 0x000C, 0x0000, 0x002F
3421 0x000B, 0x0002, 0x0054, 0x002F, 0x02AC, 0x156B, 0x1568, 0x0016,
3422 0x0154, 0x0007, 0x0006, 0x0004, 0x0003, 0x0013, 0x0028, 0x002E,
3423 0x0157, 0x0155, 0x055B, 0x2AD3, 0x2AD2, 0x2AD5, 0x2AD4, 0x0003,
3424 0x0008, 0x0000, 0x000A, 0x0003, 0x0002, 0x002B, 0x0012, 0x0029
3426 0x000F, 0x0007, 0x0001, 0x0000, 0x01C4, 0x0703, 0x0E02, 0x0011,
3427 0x00E1, 0x0005, 0x0006, 0x0002, 0x0001, 0x0009, 0x0010, 0x00E3,
3428 0x01C5, 0x01C1, 0x0702, 0x1C07, 0x1C06, 0x0E01, 0x0E00, 0x0004,
3429 0x0007, 0x001D, 0x000D, 0x0001, 0x0005, 0x0006, 0x000C, 0x0039
3431 0x0001, 0x001C, 0x0011, 0x0013, 0x0042, 0x0207, 0x0815, 0x0075,
3432 0x0041, 0x0005, 0x0006, 0x0000, 0x001F, 0x003B, 0x0074, 0x0043,
3433 0x0080, 0x0206, 0x0814, 0x0817, 0x0816, 0x0409, 0x0408, 0x0003,
3434 0x0009, 0x001E, 0x0011, 0x0003, 0x0005, 0x0010, 0x0002, 0x0012
3436 0x0001, 0x001F, 0x0027, 0x0001, 0x004B, 0x0123, 0x0915, 0x0000,
3437 0x0049, 0x0005, 0x0006, 0x001D, 0x001C, 0x0013, 0x004A, 0x0090,
3438 0x0914, 0x0917, 0x0916, 0x0911, 0x0910, 0x0913, 0x0912, 0x0003,
3439 0x0005, 0x0001, 0x0012, 0x0008, 0x0008, 0x001E, 0x0026, 0x0001
3441 0x0003, 0x0001, 0x003F, 0x000B, 0x004E, 0x0132, 0x099A, 0x004F,
3442 0x0098, 0x0006, 0x0005, 0x001D, 0x001C, 0x007C, 0x0267, 0x1331,
3443 0x1330, 0x1333, 0x1332, 0x266D, 0x266C, 0x266F, 0x266E, 0x0001,
3444 0x0004, 0x001E, 0x0012, 0x000A, 0x0008, 0x0000, 0x007D, 0x004D
3446 0x0002, 0x0007, 0x0015, 0x0003, 0x0004, 0x00A7, 0x0536, 0x0028,
3447 0x029A, 0x0006, 0x0004, 0x001C, 0x0017, 0x00A4, 0x29BE, 0x537F,
3448 0x537E, 0x29B9, 0x29B8, 0x29BB, 0x29BA, 0x29BD, 0x29BC, 0x000F,
3449 0x0000, 0x0005, 0x0016, 0x001D, 0x0006, 0x0001, 0x00A5, 0x014C
3451 0x0004, 0x0007, 0x001A, 0x000C, 0x0006, 0x0029, 0x01BD, 0x1BE3,
3452 0x1BE0, 0x0000, 0x0007, 0x006E, 0x01BC, 0x37C3, 0x37C2, 0x37CD,
3453 0x37CC, 0x37CF, 0x37CE, 0x37C9, 0x37C8, 0x37CB, 0x37CA, 0x0015,
3454 0x01BF, 0x037D, 0x0036, 0x0002, 0x000B, 0x0028, 0x37C5, 0x37C4
3456 0x0001, 0x0009, 0x0003, 0x0002, 0x011F, 0x08E9, 0x08E8, 0x002D,
3457 0x0022, 0x0006, 0x0007, 0x0010, 0x0011, 0x0017, 0x002C, 0x0046,
3458 0x011E, 0x011C, 0x0477, 0x08EB, 0x08EA, 0x08ED, 0x08EC, 0x0003,
3459 0x000B, 0x0001, 0x0014, 0x000A, 0x0009, 0x0015, 0x0000, 0x0010
3461 0x0001, 0x001D, 0x0022, 0x0013, 0x011E, 0x08FC, 0x23F5, 0x0023,
3462 0x0022, 0x0005, 0x0006, 0x0010, 0x000B, 0x0010, 0x008E, 0x023E,
3463 0x08FF, 0x11FD, 0x23F4, 0x23F7, 0x23F6, 0x23F9, 0x23F8, 0x0003,
3464 0x0009, 0x0000, 0x001C, 0x000A, 0x000F, 0x0001, 0x0012, 0x0046
3466 0x0003, 0x001F, 0x003C, 0x003D, 0x0086, 0x0877, 0x10E8, 0x0041,
3467 0x0040, 0x0005, 0x0006, 0x0007, 0x0006, 0x0004, 0x010F, 0x021C,
3468 0x0875, 0x21D3, 0x21D2, 0x21D9, 0x21D8, 0x21DB, 0x21DA, 0x0002,
3469 0x0009, 0x0000, 0x0011, 0x0003, 0x000E, 0x0002, 0x0005, 0x0042
3471 0x0004, 0x0001, 0x003D, 0x0009, 0x00F3, 0x0793, 0x1E45, 0x0000,
3472 0x0002, 0x0005, 0x0006, 0x0008, 0x0001, 0x0003, 0x01E5, 0x0792,
3473 0x1E44, 0x1E47, 0x1E46, 0x1E41, 0x1E40, 0x1E43, 0x1E42, 0x0001,
3474 0x0006, 0x001F, 0x000F, 0x000E, 0x000E, 0x0005, 0x0078, 0x0001
3476 0x0004, 0x0005, 0x000E, 0x0017, 0x003E, 0x00F0, 0x0F1E, 0x007A,
3477 0x007F, 0x0006, 0x0007, 0x0005, 0x0004, 0x007B, 0x01E2, 0x1E3F,
3478 0x1E3E, 0x0F19, 0x0F18, 0x0F1B, 0x0F1A, 0x0F1D, 0x0F1C, 0x0000,
3479 0x0003, 0x0016, 0x0009, 0x0008, 0x000A, 0x0006, 0x007E, 0x0079
3481 0x0005, 0x000C, 0x001A, 0x0004, 0x001A, 0x00DE, 0x0DF4, 0x00DD,
3482 0x006D, 0x0000, 0x0007, 0x0025, 0x0024, 0x00DC, 0x0DF7, 0x1BEB,
3483 0x1BEA, 0x0DF1, 0x0DF0, 0x0DF3, 0x0DF2, 0x1BED, 0x1BEC, 0x0008,
3484 0x0013, 0x000C, 0x0037, 0x0036, 0x0005, 0x0007, 0x006C, 0x01BF
3486 0x0005, 0x000D, 0x001F, 0x000C, 0x003B, 0x0040, 0x041A, 0x0104,
3487 0x0107, 0x0001, 0x0000, 0x0024, 0x0021, 0x020B, 0x106E, 0x20DF,
3488 0x20DE, 0x1055, 0x1054, 0x1057, 0x1056, 0x106D, 0x106C, 0x0011,
3489 0x003A, 0x0025, 0x0038, 0x0039, 0x0013, 0x001E, 0x020C, 0x0414
3491 0x0000, 0x0007, 0x000D, 0x0005, 0x0009, 0x0022, 0x0CD1, 0x0CD0,
3492 0x0CD3, 0x0003, 0x0002, 0x008D, 0x00CC, 0x066B, 0x0CD2, 0x19B5,
3493 0x19B4, 0x19B7, 0x19B6, 0x19B1, 0x19B0, 0x19B3, 0x19B2, 0x0047,
3494 0x008C, 0x0337, 0x0067, 0x0018, 0x0010, 0x0032, 0x0CD5, 0x0CD4
3497 const VP40_AC_CAT3_BITS: [[u8; 32]; 16] = [
3499 4, 6, 8, 8, 11, 13, 14, 6, 9, 3, 3, 4, 4, 4, 5, 6,
3500 7, 7, 8, 10, 14, 13, 13, 3, 4, 5, 5, 6, 5, 6, 4, 6
3502 4, 5, 7, 7, 10, 13, 13, 6, 9, 3, 3, 4, 4, 5, 6, 7,
3503 9, 9, 11, 14, 14, 14, 14, 3, 4, 4, 5, 5, 4, 6, 5, 6
3505 4, 5, 6, 6, 9, 11, 12, 6, 8, 3, 3, 4, 4, 5, 6, 8,
3506 9, 9, 11, 13, 13, 12, 12, 3, 4, 5, 5, 5, 4, 5, 5, 6
3508 3, 5, 6, 6, 8, 11, 13, 7, 8, 3, 3, 4, 5, 6, 7, 8,
3509 9, 11, 13, 13, 13, 12, 12, 3, 4, 5, 5, 5, 4, 5, 5, 6
3511 3, 5, 6, 5, 8, 10, 13, 6, 8, 3, 3, 5, 5, 6, 8, 9,
3512 13, 13, 13, 13, 13, 13, 13, 3, 4, 4, 5, 5, 4, 5, 6, 6
3514 3, 4, 6, 5, 7, 9, 12, 7, 8, 3, 3, 5, 5, 7, 10, 13,
3515 13, 13, 13, 14, 14, 14, 14, 3, 4, 5, 5, 5, 4, 4, 7, 7
3517 3, 4, 5, 4, 5, 8, 11, 6, 10, 3, 3, 5, 5, 8, 14, 15,
3518 15, 14, 14, 14, 14, 14, 14, 4, 4, 5, 5, 5, 4, 4, 8, 9
3520 3, 4, 5, 4, 4, 6, 9, 13, 13, 2, 3, 7, 9, 14, 14, 14,
3521 14, 14, 14, 14, 14, 14, 14, 5, 9, 10, 6, 3, 4, 6, 14, 14
3523 3, 5, 6, 6, 10, 13, 13, 7, 7, 3, 3, 5, 5, 6, 7, 8,
3524 10, 10, 12, 13, 13, 13, 13, 3, 4, 4, 5, 5, 4, 5, 5, 6
3526 3, 5, 6, 6, 9, 12, 14, 7, 7, 3, 3, 5, 5, 6, 8, 10,
3527 12, 13, 14, 14, 14, 14, 14, 3, 4, 4, 5, 5, 4, 4, 6, 7
3529 3, 5, 6, 6, 8, 12, 13, 7, 7, 3, 3, 5, 5, 6, 9, 10,
3530 12, 14, 14, 14, 14, 14, 14, 3, 4, 4, 5, 5, 4, 4, 6, 7
3532 3, 4, 6, 5, 8, 11, 13, 7, 7, 3, 3, 5, 5, 7, 9, 11,
3533 13, 13, 13, 13, 13, 13, 13, 3, 4, 5, 5, 5, 4, 4, 7, 7
3535 3, 4, 5, 5, 7, 9, 13, 8, 8, 3, 3, 5, 5, 8, 10, 14,
3536 14, 13, 13, 13, 13, 13, 13, 3, 4, 5, 5, 5, 4, 4, 8, 8
3538 3, 4, 5, 4, 6, 9, 13, 9, 8, 2, 3, 6, 6, 9, 13, 14,
3539 14, 13, 13, 13, 13, 14, 14, 4, 5, 5, 6, 6, 4, 4, 8, 10
3541 3, 4, 5, 4, 6, 7, 11, 9, 9, 2, 2, 6, 6, 10, 13, 14,
3542 14, 13, 13, 13, 13, 13, 13, 5, 6, 6, 6, 6, 5, 5, 10, 11
3544 2, 4, 5, 4, 5, 7, 13, 13, 13, 2, 2, 9, 9, 12, 13, 14,
3545 14, 14, 14, 14, 14, 14, 14, 8, 9, 11, 8, 6, 6, 7, 13, 13
3549 const VP40_QMAT: &[i16; 64] = &[
3550 16, 17, 18, 20, 22, 24, 26, 28,
3551 17, 18, 20, 22, 24, 26, 28, 32,
3552 18, 20, 22, 24, 26, 28, 32, 36,
3553 20, 22, 24, 26, 28, 32, 36, 40,
3554 22, 24, 26, 28, 32, 36, 40, 44,
3555 24, 26, 28, 32, 36, 40, 44, 48,
3556 26, 28, 32, 36, 40, 44, 48, 52,
3557 28, 32, 36, 40, 44, 48, 52, 56
3559 const VP40_DC_Y_SCALES: [i16; 64] = [
3560 180, 180, 180, 180, 180, 180, 175, 170,
3561 165, 160, 157, 155, 152, 150, 147, 145,
3562 142, 140, 137, 135, 132, 130, 127, 125,
3563 122, 120, 117, 115, 112, 110, 107, 105,
3564 102, 100, 97, 95, 92, 90, 87, 85,
3565 82, 80, 77, 75, 72, 70, 67, 65,
3566 62, 60, 57, 55, 52, 50, 47, 45,
3567 42, 40, 37, 35, 32, 30, 27, 25
3569 const VP40_DC_C_SCALES: [i16; 64] = [
3570 150, 150, 150, 150, 150, 150, 150, 150,
3571 150, 150, 150, 150, 150, 150, 147, 145,
3572 142, 140, 137, 135, 132, 130, 127, 125,
3573 122, 120, 117, 115, 112, 110, 107, 105,
3574 102, 100, 97, 95, 92, 90, 87, 85,
3575 82, 80, 77, 75, 72, 70, 67, 65,
3576 62, 60, 57, 55, 52, 50, 47, 45,
3577 42, 40, 37, 35, 32, 30, 27, 25
3579 const VP40_AC_SCALES: [i16; 64] = [
3580 500, 475, 450, 430, 410, 390, 370, 350,
3581 330, 315, 300, 285, 270, 260, 250, 240,
3582 230, 220, 210, 200, 190, 185, 180, 170,
3583 160, 150, 143, 135, 128, 120, 113, 106,
3584 100, 94, 90, 85, 80, 75, 70, 66,
3585 62, 57, 52, 49, 45, 41, 38, 35,
3586 33, 30, 27, 24, 22, 20, 18, 16,
3587 14, 12, 10, 9, 7, 6, 4, 1
3590 const VP40_MBPAT_CODES: [[u8; 14]; 2] = [
3591 [ 0b000, 0b1111, 0b1001, 0b010, 0b1101, 0b01110, 0b1011, 0b001, 0b01111, 0b1000, 0b0110, 0b1110, 0b1100, 0b1010 ],
3592 [ 0b0111, 0b1010, 0b1001, 0b1100, 0b1000, 0b01101, 0b000, 0b1110, 0b01100, 0b1101, 0b001, 0b1011, 0b1111, 0b010 ]
3594 const VP40_MBPAT_BITS: [[u8; 14]; 2] = [
3595 [ 3, 4, 4, 3, 4, 5, 4, 3, 5, 4, 4, 4, 4, 4 ],
3596 [ 4, 4, 4, 4, 4, 5, 3, 4, 5, 4, 3, 4, 4, 3 ]
3598 const VP40_BP_PREDICTOR: [u8; 15] = [ 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 1 ];
3599 const VP40_MV_X_CODES: [[u32; 63]; 7] = [
3601 0x06A, 0x11A, 0x18E, 0x237, 0x04A, 0x236, 0x07A, 0x0D6,
3602 0x07E, 0x1FD, 0x08C, 0x0D7, 0x087, 0x183, 0x03C, 0x061,
3603 0x047, 0x069, 0x040, 0x048, 0x049, 0x086, 0x013, 0x0D2,
3604 0x01C, 0x042, 0x025, 0x01B, 0x013, 0x005, 0x000, 0x007,
3605 0x005, 0x01B, 0x019, 0x019, 0x008, 0x045, 0x01D, 0x0C6,
3606 0x068, 0x090, 0x041, 0x04B, 0x031, 0x18F, 0x062, 0x03E,
3607 0x044, 0x068, 0x030, 0x182, 0x0C0, 0x1A7, 0x091, 0x092,
3608 0x07B, 0x0FF, 0x1A6, 0x1FC, 0x06A, 0x093, 0x06B
3610 0x039, 0x259, 0x01B, 0x1D1, 0x137, 0x1D0, 0x01A, 0x1B5,
3611 0x01D, 0x4BC, 0x06C, 0x038, 0x071, 0x02D, 0x07D, 0x075,
3612 0x019, 0x0E9, 0x037, 0x015, 0x01E, 0x0DB, 0x04C, 0x070,
3613 0x00D, 0x00C, 0x027, 0x004, 0x002, 0x000, 0x005, 0x007,
3614 0x006, 0x002, 0x008, 0x024, 0x00C, 0x03B, 0x01E, 0x09A,
3615 0x00E, 0x069, 0x04A, 0x12D, 0x035, 0x0F9, 0x018, 0x07F,
3616 0x00F, 0x0F8, 0x07E, 0x25F, 0x068, 0x02C, 0x014, 0x258,
3617 0x136, 0x4BD, 0x12E, 0x1B4, 0x017, 0x039, 0x01F
3619 0x029, 0x3CB, 0x1F5, 0x263, 0x1F4, 0x3DA, 0x050, 0x260,
3620 0x1EC, 0x3D3, 0x109, 0x3D2, 0x051, 0x792, 0x0F3, 0x09A,
3621 0x0F7, 0x132, 0x0C1, 0x1E8, 0x02A, 0x085, 0x061, 0x1F7,
3622 0x078, 0x0C7, 0x023, 0x07C, 0x012, 0x00B, 0x00E, 0x00D,
3623 0x000, 0x005, 0x003, 0x004, 0x019, 0x020, 0x03F, 0x043,
3624 0x062, 0x09F, 0x04E, 0x181, 0x02B, 0x137, 0x0F5, 0x089,
3625 0x0C6, 0x262, 0x088, 0x3C8, 0x1F6, 0x3CA, 0x09E, 0x261,
3626 0x136, 0x108, 0x133, 0x793, 0x180, 0x3DB, 0x045
3628 0x001, 0x1C7, 0x067, 0x0B5, 0x066, 0x139, 0x099, 0x0B4,
3629 0x0C3, 0x130, 0x000, 0x131, 0x09E, 0x0B7, 0x02C, 0x001,
3630 0x028, 0x138, 0x04B, 0x031, 0x060, 0x091, 0x003, 0x09D,
3631 0x017, 0x04D, 0x031, 0x070, 0x007, 0x03A, 0x007, 0x002,
3632 0x00B, 0x001, 0x00F, 0x008, 0x00D, 0x004, 0x00A, 0x00D,
3633 0x019, 0x002, 0x03B, 0x04A, 0x015, 0x0C2, 0x018, 0x032,
3634 0x072, 0x1C6, 0x029, 0x1C5, 0x049, 0x121, 0x01B, 0x030,
3635 0x01A, 0x1C4, 0x09F, 0x0B6, 0x019, 0x120, 0x073
3637 0x023, 0x1C8, 0x043, 0x110, 0x00C, 0x153, 0x022, 0x111,
3638 0x00F, 0x042, 0x023, 0x1C9, 0x02A, 0x01B, 0x073, 0x045,
3639 0x06E, 0x089, 0x06C, 0x01A, 0x06F, 0x0B6, 0x00B, 0x0E5,
3640 0x025, 0x020, 0x029, 0x04D, 0x002, 0x014, 0x01A, 0x017,
3641 0x01E, 0x027, 0x018, 0x028, 0x01F, 0x000, 0x006, 0x010,
3642 0x007, 0x00B, 0x003, 0x004, 0x01D, 0x02C, 0x019, 0x02B,
3643 0x009, 0x055, 0x038, 0x00E, 0x024, 0x0A8, 0x00A, 0x099,
3644 0x05A, 0x098, 0x06D, 0x152, 0x02B, 0x0B7, 0x001
3646 0x03D, 0x0B1, 0x0DD, 0x1F6, 0x0C5, 0x188, 0x037, 0x03F,
3647 0x01E, 0x189, 0x00F, 0x03E, 0x06A, 0x1F7, 0x061, 0x079,
3648 0x018, 0x0B0, 0x00E, 0x0B3, 0x00C, 0x0DF, 0x006, 0x0DC,
3649 0x019, 0x0DE, 0x027, 0x00E, 0x01A, 0x063, 0x00F, 0x00E,
3650 0x014, 0x07C, 0x036, 0x06B, 0x03F, 0x060, 0x008, 0x074,
3651 0x009, 0x078, 0x012, 0x00D, 0x015, 0x02D, 0x002, 0x01C,
3652 0x005, 0x03B, 0x000, 0x034, 0x019, 0x026, 0x010, 0x075,
3653 0x002, 0x036, 0x023, 0x0B2, 0x022, 0x0FA, 0x017
3655 0x015, 0x0DD, 0x03E, 0x16E, 0x04C, 0x012, 0x05D, 0x0B6,
3656 0x06F, 0x1F1, 0x069, 0x1F0, 0x01D, 0x16F, 0x002, 0x06B,
3657 0x00C, 0x0DC, 0x068, 0x09B, 0x07D, 0x09A, 0x00D, 0x013,
3658 0x008, 0x0F9, 0x02C, 0x012, 0x033, 0x04F, 0x00D, 0x005,
3659 0x012, 0x03F, 0x032, 0x013, 0x03B, 0x005, 0x02F, 0x05A,
3660 0x03F, 0x01C, 0x03A, 0x008, 0x036, 0x05C, 0x010, 0x000,
3661 0x00C, 0x04E, 0x003, 0x06A, 0x00E, 0x003, 0x014, 0x01E,
3662 0x01C, 0x00F, 0x018, 0x023, 0x01E, 0x022, 0x002
3665 const VP40_MV_X_BITS: [[u8; 63]; 7] = [
3667 7, 9, 9, 10, 8, 10, 8, 9, 8, 10, 8, 9, 8, 9, 7, 7,
3668 7, 8, 7, 8, 7, 8, 6, 8, 6, 7, 6, 6, 5, 4, 2, 3,
3669 3, 5, 5, 6, 5, 7, 6, 8, 7, 8, 7, 8, 7, 9, 7, 7,
3670 7, 8, 7, 9, 8, 9, 8, 9, 8, 9, 9, 10, 8, 9, 7
3672 7, 10, 8, 10, 9, 10, 8, 10, 8, 11, 8, 9, 8, 9, 8, 8,
3673 7, 9, 7, 8, 7, 9, 7, 8, 6, 7, 6, 6, 4, 4, 3, 3,
3674 3, 3, 4, 6, 5, 7, 6, 8, 6, 8, 7, 9, 7, 9, 7, 8,
3675 7, 9, 8, 10, 8, 9, 8, 10, 9, 11, 9, 10, 8, 9, 7
3677 7, 10, 9, 10, 9, 10, 8, 10, 9, 10, 9, 10, 8, 11, 8, 8,
3678 8, 9, 8, 9, 7, 8, 7, 9, 7, 8, 6, 7, 5, 5, 4, 4,
3679 2, 3, 3, 4, 5, 6, 6, 7, 7, 8, 7, 9, 7, 9, 8, 8,
3680 8, 10, 8, 10, 9, 10, 8, 10, 9, 9, 9, 11, 9, 10, 7
3682 6, 9, 8, 9, 8, 9, 8, 9, 8, 9, 7, 9, 8, 9, 7, 7,
3683 7, 9, 7, 8, 7, 8, 6, 8, 6, 7, 6, 7, 5, 6, 4, 4,
3684 4, 4, 4, 4, 4, 4, 4, 5, 5, 6, 6, 7, 6, 8, 6, 7,
3685 7, 9, 7, 9, 7, 9, 7, 8, 7, 9, 8, 9, 7, 9, 7
3687 6, 9, 8, 9, 7, 9, 7, 9, 7, 8, 7, 9, 7, 8, 7, 7,
3688 7, 8, 7, 8, 7, 8, 6, 8, 6, 7, 6, 7, 5, 6, 5, 5,
3689 5, 6, 5, 6, 5, 5, 4, 5, 4, 5, 4, 5, 5, 6, 5, 6,
3690 5, 7, 6, 7, 6, 8, 6, 8, 7, 8, 7, 9, 7, 8, 5
3692 6, 8, 8, 9, 8, 9, 7, 8, 7, 9, 7, 8, 7, 9, 7, 7,
3693 6, 8, 6, 8, 6, 8, 6, 8, 6, 8, 6, 7, 6, 7, 5, 5,
3694 5, 7, 6, 7, 6, 7, 5, 7, 5, 7, 5, 6, 5, 6, 4, 5,
3695 4, 6, 4, 6, 5, 6, 5, 7, 5, 7, 6, 8, 6, 8, 5
3697 5, 8, 7, 9, 7, 8, 7, 8, 7, 9, 7, 9, 7, 9, 6, 7,
3698 6, 8, 7, 8, 7, 8, 6, 8, 6, 8, 6, 7, 6, 7, 5, 5,
3699 5, 7, 6, 7, 6, 6, 6, 7, 6, 7, 6, 7, 6, 7, 5, 5,
3700 5, 7, 5, 7, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 3
3703 const VP40_MV_Y_CODES: [[u32; 63]; 7] = [
3705 0x052, 0x14C, 0x1FA, 0x124, 0x082, 0x29E, 0x08E, 0x24B,
3706 0x09C, 0x3F7, 0x086, 0x114, 0x083, 0x3A5, 0x0FA, 0x04F,
3707 0x0FB, 0x13B, 0x0FC, 0x172, 0x044, 0x173, 0x051, 0x087,
3708 0x05F, 0x0BA, 0x026, 0x05E, 0x016, 0x015, 0x006, 0x001,
3709 0x000, 0x01C, 0x01E, 0x075, 0x03B, 0x0FF, 0x025, 0x0BB,
3710 0x07C, 0x08B, 0x048, 0x171, 0x042, 0x14E, 0x046, 0x0FE,
3711 0x040, 0x13A, 0x093, 0x115, 0x08F, 0x3F6, 0x170, 0x29F,
3712 0x1D1, 0x24A, 0x1D3, 0x3A4, 0x1D0, 0x14D, 0x050
3714 0x0DE, 0x223, 0x136, 0x7C5, 0x12F, 0x4A1, 0x3D7, 0x7AC,
3715 0x133, 0x7C4, 0x1B8, 0x222, 0x096, 0x251, 0x095, 0x1F0,
3716 0x0DA, 0x110, 0x09A, 0x360, 0x0DD, 0x12E, 0x048, 0x092,
3717 0x078, 0x098, 0x027, 0x045, 0x01A, 0x010, 0x005, 0x000,
3718 0x001, 0x00E, 0x00C, 0x023, 0x03F, 0x0F4, 0x07D, 0x089,
3719 0x07B, 0x1BE, 0x0F9, 0x3E3, 0x0F3, 0x127, 0x0DB, 0x1EA,
3720 0x0D9, 0x6E7, 0x1BF, 0x4A0, 0x1B1, 0x6E6, 0x137, 0x7AD,
3721 0x126, 0x6C2, 0x132, 0x6C3, 0x129, 0x372, 0x0F2
3723 0x016, 0x09C, 0x13C, 0x09E, 0x12B, 0x0BA, 0x181, 0x317,
3724 0x084, 0x04E, 0x026, 0x316, 0x180, 0x05C, 0x0C1, 0x02F,
3725 0x010, 0x045, 0x012, 0x189, 0x024, 0x13D, 0x066, 0x023,
3726 0x067, 0x0C6, 0x024, 0x04B, 0x011, 0x032, 0x00D, 0x000,
3727 0x007, 0x005, 0x003, 0x003, 0x005, 0x020, 0x008, 0x025,
3728 0x026, 0x04F, 0x061, 0x02B, 0x04E, 0x18A, 0x043, 0x09F,
3729 0x014, 0x254, 0x094, 0x310, 0x085, 0x311, 0x02A, 0x0BB,
3730 0x18F, 0x255, 0x09D, 0x09F, 0x18E, 0x044, 0x026
3732 0x061, 0x12A, 0x00D, 0x3BD, 0x089, 0x109, 0x18E, 0x210,
3733 0x1D3, 0x211, 0x088, 0x019, 0x085, 0x018, 0x0E8, 0x0CE,
3734 0x040, 0x119, 0x045, 0x1D2, 0x04B, 0x1DD, 0x062, 0x094,
3735 0x075, 0x00C, 0x027, 0x00D, 0x002, 0x026, 0x006, 0x01E,
3736 0x00D, 0x01F, 0x001, 0x00A, 0x002, 0x007, 0x00B, 0x000,
3737 0x01C, 0x076, 0x032, 0x007, 0x024, 0x0C0, 0x007, 0x041,
3738 0x002, 0x18F, 0x047, 0x1DC, 0x043, 0x12B, 0x0CF, 0x118,
3739 0x0C6, 0x3BC, 0x08D, 0x3BF, 0x0C1, 0x3BE, 0x066
3741 0x007, 0x14D, 0x0A0, 0x09E, 0x0CF, 0x39C, 0x0A1, 0x39D,
3742 0x0AB, 0x1C5, 0x026, 0x14C, 0x025, 0x19C, 0x03F, 0x0E1,
3743 0x066, 0x1CF, 0x03E, 0x1C4, 0x072, 0x04E, 0x006, 0x0AA,
3744 0x01C, 0x0E6, 0x032, 0x051, 0x03B, 0x005, 0x01F, 0x018,
3745 0x002, 0x03A, 0x000, 0x036, 0x005, 0x008, 0x008, 0x016,
3746 0x009, 0x00D, 0x003, 0x02F, 0x01E, 0x02E, 0x01A, 0x02B,
3747 0x00C, 0x024, 0x01E, 0x0E0, 0x004, 0x0A7, 0x054, 0x1C7,
3748 0x052, 0x19D, 0x03A, 0x09F, 0x03B, 0x1C6, 0x037
3750 0x02A, 0x039, 0x025, 0x115, 0x024, 0x1FA, 0x02F, 0x114,
3751 0x075, 0x038, 0x0FC, 0x036, 0x01E, 0x1FB, 0x07F, 0x068,
3752 0x016, 0x037, 0x01F, 0x05C, 0x013, 0x08B, 0x001, 0x0FB,
3753 0x021, 0x044, 0x02B, 0x06B, 0x03B, 0x00C, 0x01C, 0x019,
3754 0x001, 0x020, 0x016, 0x07C, 0x00C, 0x074, 0x00A, 0x01C,
3755 0x012, 0x069, 0x00F, 0x06A, 0x014, 0x011, 0x01E, 0x017,
3756 0x002, 0x031, 0x01B, 0x030, 0x00D, 0x000, 0x001, 0x01D,
3757 0x023, 0x01A, 0x01D, 0x05D, 0x010, 0x0FA, 0x013
3759 0x012, 0x026, 0x041, 0x022, 0x01A, 0x0A9, 0x04C, 0x1B2,
3760 0x05C, 0x0A8, 0x058, 0x1B3, 0x040, 0x079, 0x00C, 0x055,
3761 0x01F, 0x0D8, 0x076, 0x023, 0x05F, 0x078, 0x00B, 0x01B,
3762 0x02D, 0x010, 0x037, 0x06D, 0x032, 0x00A, 0x01A, 0x01E,
3763 0x01F, 0x02B, 0x00D, 0x077, 0x031, 0x05D, 0x038, 0x027,
3764 0x00C, 0x0E9, 0x033, 0x05E, 0x030, 0x04D, 0x00A, 0x021,
3765 0x007, 0x03D, 0x039, 0x0E8, 0x00B, 0x059, 0x014, 0x027,
3766 0x011, 0x075, 0x00E, 0x009, 0x008, 0x012, 0x000
3769 const VP40_MV_Y_BITS: [[u8; 63]; 7] = [
3771 7, 9, 9, 9, 8, 10, 8, 10, 8, 10, 8, 9, 8, 10, 8, 7,
3772 8, 9, 8, 9, 7, 9, 7, 8, 7, 8, 6, 7, 5, 5, 3, 2,
3773 2, 5, 5, 7, 6, 8, 6, 8, 7, 8, 7, 9, 7, 9, 7, 8,
3774 7, 9, 8, 9, 8, 10, 9, 10, 9, 10, 9, 10, 9, 9, 7
3776 8, 10, 9, 11, 9, 11, 10, 11, 9, 11, 9, 10, 8, 10, 8, 9,
3777 8, 9, 8, 10, 8, 9, 7, 8, 7, 8, 6, 7, 5, 5, 3, 2,
3778 2, 4, 4, 6, 6, 8, 7, 8, 7, 9, 8, 10, 8, 9, 8, 9,
3779 8, 11, 9, 11, 9, 11, 9, 11, 9, 11, 9, 11, 9, 10, 8
3781 7, 9, 9, 10, 9, 10, 9, 10, 8, 9, 8, 10, 9, 9, 8, 8,
3782 7, 9, 7, 9, 7, 9, 7, 8, 7, 8, 6, 7, 5, 6, 4, 3,
3783 3, 3, 3, 4, 4, 6, 5, 7, 6, 8, 7, 8, 7, 9, 7, 8,
3784 7, 10, 8, 10, 8, 10, 8, 10, 9, 10, 9, 10, 9, 9, 7
3786 7, 9, 8, 10, 8, 9, 9, 10, 9, 10, 8, 9, 8, 9, 8, 8,
3787 7, 9, 7, 9, 7, 9, 7, 8, 7, 7, 6, 7, 5, 6, 4, 5,
3788 4, 5, 3, 4, 3, 4, 4, 5, 5, 7, 6, 7, 6, 8, 6, 7,
3789 6, 9, 7, 9, 7, 9, 8, 9, 8, 10, 8, 10, 8, 10, 7
3791 6, 9, 8, 9, 8, 10, 8, 10, 8, 9, 7, 9, 7, 9, 7, 8,
3792 7, 9, 7, 9, 7, 8, 6, 8, 6, 8, 6, 7, 6, 6, 5, 5,
3793 4, 6, 4, 6, 4, 5, 4, 5, 4, 5, 4, 6, 5, 6, 5, 6,
3794 5, 7, 6, 8, 6, 8, 7, 9, 7, 9, 7, 9, 7, 9, 6
3796 6, 8, 7, 9, 7, 9, 7, 9, 7, 8, 8, 8, 7, 9, 7, 7,
3797 6, 8, 7, 8, 6, 8, 6, 8, 6, 7, 6, 7, 6, 6, 5, 5,
3798 4, 6, 5, 7, 5, 7, 5, 6, 5, 7, 5, 7, 5, 6, 5, 5,
3799 4, 6, 5, 6, 5, 6, 5, 7, 6, 7, 6, 8, 6, 8, 5
3801 5, 7, 7, 8, 7, 8, 7, 9, 7, 8, 7, 9, 7, 8, 6, 7,
3802 6, 8, 7, 8, 7, 8, 6, 7, 6, 7, 6, 7, 6, 6, 5, 5,
3803 5, 6, 5, 7, 6, 7, 6, 7, 5, 8, 6, 7, 6, 7, 5, 6,
3804 5, 7, 6, 8, 5, 7, 5, 6, 5, 7, 5, 6, 5, 6, 3
3808 const VP40_LOOP_STRENGTH: [i16; 64] = [
3809 30, 25, 20, 20, 15, 15, 14, 14,
3810 13, 13, 12, 12, 11, 11, 10, 10,
3811 9, 9, 8, 8, 7, 7, 7, 7,
3812 6, 6, 6, 6, 5, 5, 5, 5,
3813 4, 4, 4, 4, 3, 3, 3, 3,
3814 2, 2, 2, 2, 2, 2, 2, 2,
3815 2, 2, 2, 2, 2, 2, 2, 2,
3816 1, 1, 1, 1, 1, 1, 1, 1
3818 const VP40_MV_LUT_INDEX: [usize; 32] = [
3819 0, 1, 2, 2, 3, 3, 3, 3,
3820 4, 4, 4, 4, 4, 4, 4, 4,
3821 5, 5, 5, 5, 5, 5, 5, 5,
3822 6, 6, 6, 6, 6, 6, 6, 6