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 validate!(mb_w == self.mb_w && mb_h == self.mb_h);
615 if self.version == 3 {
617 self.codes = Codes::VP30(VP30Codes::new());
620 let version = br.read(13)?;
621 let coding_type = br.read(1)?;
622 validate!(coding_type == 0);
625 validate!(self.version == 3 || self.version == 31);
626 if self.version == 3 {
628 self.codes = Codes::VP31(VP31Codes::new());
630 } else if version == 3 {
631 validate!(self.version == 4);
632 let mb_h = br.read(8)? as usize;
633 let mb_w = br.read(8)? as usize;
634 validate!(mb_w == self.mb_w && mb_h == self.mb_h);
635 let fact1 = br.read(5)?;
636 let fact2 = br.read(3)?;
637 validate!(fact1 == 1 && fact2 == 1);
638 let fact1 = br.read(5)?;
639 let fact2 = br.read(3)?;
640 validate!(fact1 == 1 && fact2 == 1);
643 return Err(DecoderError::InvalidData);
647 self.loop_str = if self.version != 4 {
648 VP31_LOOP_STRENGTH[self.quant]
650 VP40_LOOP_STRENGTH[self.quant]
654 fn vp30_unpack_sb_info(&mut self, br: &mut BitReader) -> DecoderResult<()> {
655 let mut has_nonempty = false;
657 let mut bit = !br.read_bool()?;
659 for sb in self.sb_info.iter_mut() {
662 run = if bit { vp30_read_ne_run1(br)? } else { vp30_read_ne_run0(br)? };
664 *sb = if bit { has_nonempty = true; SBState::Partial } else { SBState::Uncoded };
670 for el in self.mb_coded.iter_mut() { *el = false; }
671 let mut bit = !br.read_bool()?;
673 let mut mbiter = self.mb_coded.iter_mut();
674 for (sb, nmb) in self.sb_info.iter_mut().zip(self.sb_mbs.iter()) {
675 let nmbs = *nmb as usize;
676 if *sb == SBState::Partial {
680 run = if bit { vp30_read_coded_run1(br)? } else { vp30_read_coded_run0(br)? };
683 *mbiter.next().unwrap() = bit;
687 mbiter.next().unwrap();
692 let mut bit = !br.read_bool()?;
695 for (coded, nblk) in self.mb_coded.iter().zip(self.mb_blocks.iter()) {
696 let nblks = *nblk as usize;
698 let mut cb = [false; 4];
702 run = if bit { vp30_read_coded_run1(br)? } else { vp30_read_coded_run0(br)? };
708 let addr = self.blk_addr[cur_blk + j] >> 2;
709 self.blocks[addr].coded = cb[j];
718 fn vp30_unpack_mb_info(&mut self, br: &mut BitReader) -> DecoderResult<()> {
720 if let Codes::VP30(ref codes) = self.codes {
721 for (sb, nblk) in self.sb_info.iter_mut().zip(self.sb_blocks.iter()).take(self.y_sbs) {
722 let nblks = *nblk as usize;
723 if *sb == SBState::Uncoded {
725 self.blocks[self.blk_addr[cur_blk] >> 2].btype = VPMBType::InterNoMV;
729 for _ in 0..nblks/4 {
730 let mut coded = *sb == SBState::Coded;
733 if self.blocks[self.blk_addr[cur_blk + blk] >> 2].coded {
739 let mode = if !coded {
742 br.read_cb(&codes.mbtype_cb)?
745 self.blocks[self.blk_addr[cur_blk] >> 2].btype = mode;
752 return Err(DecoderError::Bug);
754 // replicate types for chroma
756 let mut off_u = self.y_blocks;
757 let mut off_v = off_u + self.mb_w * self.mb_h;
758 for _blk_y in 0..self.mb_h {
759 for blk_x in 0..self.mb_w {
760 let btype = self.blocks[off_y + blk_x * 2].btype;
761 self.blocks[off_u + blk_x].btype = btype;
762 self.blocks[off_v + blk_x].btype = btype;
764 off_y += self.mb_w * 2 * 2;
770 fn vp30_unpack_mv_info(&mut self, br: &mut BitReader) -> DecoderResult<()> {
771 let mut last_mv = ZERO_MV;
774 for _ in 0..self.y_blocks/4 {
775 let baddr = self.blk_addr[cur_blk] >> 2;
776 if self.blocks[baddr].btype == VPMBType::InterFourMV {
777 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);
779 let blk = &mut self.blocks[saddr + (i & 1) + (i & 2) * self.mb_w];
781 blk.mv = vp30_read_mv(br)?;
787 match self.blocks[baddr].btype {
788 VPMBType::Intra | VPMBType::InterNoMV | VPMBType::GoldenNoMV => {
791 VPMBType::InterMV => {
792 cur_mv = vp30_read_mv(br)?;
795 VPMBType::InterNearest => {
799 cur_mv = vp30_read_mv(br)?;
803 self.blocks[self.blk_addr[cur_blk] >> 2].mv = cur_mv;
810 fn vp30_unpack_coeffs(&mut self, br: &mut BitReader, coef_no: usize, table: usize) -> DecoderResult<()> {
811 if let Codes::VP30(ref codes) = self.codes {
812 for blkaddr in self.blk_addr.iter() {
813 let blk: &mut Block = &mut self.blocks[blkaddr >> 2];
814 if !blk.coded || blk.idx != coef_no { continue; }
815 if self.eob_run > 0 {
820 let cb = if coef_no == 0 {
822 } else if blk.btype.is_intra() {
823 &codes.ac_i_cb[table]
825 &codes.ac_p_cb[table]
827 let token = br.read_cb(cb)?;
828 expand_token(blk, br, &mut self.eob_run, token)?;
832 Err(DecoderError::Bug)
835 fn vp31_unpack_sb_info(&mut self, br: &mut BitReader) -> DecoderResult<()> {
836 let mut has_uncoded = false;
837 let mut has_partial = false;
839 let mut brun = BitRunDecoder::new(br, read_long_run)?;
840 for sb in self.sb_info.iter_mut() {
841 if brun.get_val(br)? {
842 *sb = SBState::Partial;
845 *sb = SBState::Uncoded;
851 let mut brun = BitRunDecoder::new(br, read_long_run)?;
853 for (sb, nblk) in self.sb_info.iter_mut().zip(self.sb_blocks.iter()) {
854 let nblks = *nblk as usize;
855 if *sb != SBState::Partial && brun.get_val(br)? {
856 *sb = SBState::Coded;
858 let blk_idx = self.blk_addr[cur_blk] >> 2;
859 self.blocks[blk_idx].coded = true;
864 let blk_idx = self.blk_addr[cur_blk] >> 2;
865 self.blocks[blk_idx].coded = false;
872 let mut brun = BitRunDecoder::new(br, read_short_run)?;
874 for (sb, nblk) in self.sb_info.iter_mut().zip(self.sb_blocks.iter()) {
875 let nblks = *nblk as usize;
876 if *sb == SBState::Partial {
878 let blk_idx = self.blk_addr[cur_blk] >> 2;
879 self.blocks[blk_idx].coded = brun.get_val(br)?;
889 fn vp31_unpack_mb_info(&mut self, br: &mut BitReader) -> DecoderResult<()> {
890 let mut modes = [VPMBType::InterNoMV; 8];
891 let alphabet = br.read(3)? as usize;
892 let raw_modes = alphabet >= 7;
894 for mode in VP31_DEFAULT_MB_MODES.iter() {
895 modes[br.read(3)? as usize] = *mode;
897 } else if alphabet < 7 {
898 modes.copy_from_slice(&VP31_MB_MODES[alphabet - 1]);
902 for (sb, nblk) in self.sb_info.iter_mut().zip(self.sb_blocks.iter()).take(self.y_sbs) {
903 let nblks = *nblk as usize;
904 if *sb == SBState::Uncoded {
906 self.blocks[self.blk_addr[cur_blk] >> 2].btype = VPMBType::InterNoMV;
910 for _ in 0..nblks/4 {
911 let mut coded = *sb == SBState::Coded;
914 if self.blocks[self.blk_addr[cur_blk + blk] >> 2].coded {
920 let mode = if !coded {
922 } else if !raw_modes {
923 let code = br.read_code(UintCodeType::LimitedUnary(7, 0))?;
926 VP31_DEFAULT_MB_MODES[br.read(3)? as usize]
929 self.blocks[self.blk_addr[cur_blk] >> 2].btype = mode;
935 // replicate types for chroma
937 let mut off_u = self.y_blocks;
938 let mut off_v = off_u + self.mb_w * self.mb_h;
939 for _blk_y in 0..self.mb_h {
940 for blk_x in 0..self.mb_w {
941 let btype = self.blocks[off_y + blk_x * 2].btype;
942 self.blocks[off_u + blk_x].btype = btype;
943 self.blocks[off_v + blk_x].btype = btype;
945 off_y += self.mb_w * 2 * 2;
951 fn vp31_unpack_mv_info(&mut self, br: &mut BitReader) -> DecoderResult<()> {
952 let mut last_mv = ZERO_MV;
953 let mut last2_mv = ZERO_MV;
954 let read_mv = if br.read_bool()? { read_mv_raw } else { read_mv_packed };
957 for _ in 0..self.y_blocks/4 {
958 if self.blocks[self.blk_addr[cur_blk] >> 2].btype == VPMBType::InterFourMV {
959 let a0 = self.blk_addr[cur_blk + 0] >> 2;
960 let a1 = self.blk_addr[cur_blk + 1] >> 2;
961 let a2 = self.blk_addr[cur_blk + 2] >> 2;
962 let a3 = self.blk_addr[cur_blk + 3] >> 2;
963 let first = a0.min(a1).min(a2).min(a3);
964 let last = a0.max(a1).max(a2).max(a3);
965 self.blocks[first + 0].mv = (read_mv)(br)?;
966 self.blocks[first + 1].mv = (read_mv)(br)?;
967 self.blocks[last - 1].mv = (read_mv)(br)?;
968 self.blocks[last + 0].mv = (read_mv)(br)?;
970 last_mv = self.blocks[last].mv;
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);
1892 test_decoding("avi", "vp3", "assets/Duck/01-vp31-0500.avi", Some(16), &dmx_reg, &dec_reg,
1893 ExpectedTestResult::MD5([0x65112f7e, 0x2914f29b, 0x2908ed2f, 0xce5fc8c5]));
1898 let mut dmx_reg = RegisteredDemuxers::new();
1899 generic_register_all_demuxers(&mut dmx_reg);
1900 let mut dec_reg = RegisteredDecoders::new();
1901 duck_register_all_codecs(&mut dec_reg);
1903 let file = "assets/Duck/ot171_vp40.avi";
1904 test_file_decoding("avi", file, Some(16), true, false, None/*Some("vp4")*/, &dmx_reg, &dec_reg);
1909 const HILBERT_ORDER: [[usize; 2]; 16] = [
1910 [ 0, 0 ], [ 1, 0 ], [ 1, 1 ], [ 0, 1 ],
1911 [ 0, 2 ], [ 0, 3 ], [ 1, 3 ], [ 1, 2 ],
1912 [ 2, 2 ], [ 2, 3 ], [ 3, 3 ], [ 3, 2 ],
1913 [ 3, 1 ], [ 2, 1 ], [ 2, 0 ], [ 3, 0 ]
1916 const VP31_LOOP_STRENGTH: [i16; 64] = [
1917 30, 25, 20, 20, 15, 15, 14, 14,
1918 13, 13, 12, 12, 11, 11, 10, 10,
1919 9, 9, 8, 8, 7, 7, 7, 7,
1920 6, 6, 6, 6, 5, 5, 5, 5,
1921 4, 4, 4, 4, 3, 3, 3, 3,
1922 2, 2, 2, 2, 2, 2, 2, 2,
1923 0, 0, 0, 0, 0, 0, 0, 0,
1924 0, 0, 0, 0, 0, 0, 0, 0
1927 const VP31_DEFAULT_MB_MODES: [VPMBType; 8] = [
1928 VPMBType::InterNoMV, VPMBType::Intra, VPMBType::InterMV, VPMBType::InterNearest,
1929 VPMBType::InterNear, VPMBType::GoldenNoMV, VPMBType::GoldenMV, VPMBType::InterFourMV
1932 const VP31_MB_MODES: [[VPMBType; 8]; 6] = [
1934 VPMBType::InterNearest, VPMBType::InterNear, VPMBType::InterMV, VPMBType::InterNoMV,
1935 VPMBType::Intra, VPMBType::GoldenNoMV, VPMBType::GoldenMV, VPMBType::InterFourMV
1937 VPMBType::InterNearest, VPMBType::InterNear, VPMBType::InterNoMV, VPMBType::InterMV,
1938 VPMBType::Intra, VPMBType::GoldenNoMV, VPMBType::GoldenMV, VPMBType::InterFourMV
1940 VPMBType::InterNearest, VPMBType::InterMV, VPMBType::InterNear, VPMBType::InterNoMV,
1941 VPMBType::Intra, VPMBType::GoldenNoMV, VPMBType::GoldenMV, VPMBType::InterFourMV
1943 VPMBType::InterNearest, VPMBType::InterMV, VPMBType::InterNoMV, VPMBType::InterNear,
1944 VPMBType::Intra, VPMBType::GoldenNoMV, VPMBType::GoldenMV, VPMBType::InterFourMV
1946 VPMBType::InterNoMV, VPMBType::InterNearest, VPMBType::InterNear, VPMBType::InterMV,
1947 VPMBType::Intra, VPMBType::GoldenNoMV, VPMBType::GoldenMV, VPMBType::InterFourMV
1949 VPMBType::InterNoMV, VPMBType::GoldenNoMV, VPMBType::InterNearest, VPMBType::InterNear,
1950 VPMBType::InterMV, VPMBType::Intra, VPMBType::GoldenMV, VPMBType::InterFourMV
1954 const VP3_LITERAL_BASE: [i16; 6] = [ 7, 9, 13, 21, 37, 69 ];
1956 const VP31_AC_SCALES: [i16; 64] = [
1957 500, 450, 400, 370, 340, 310, 285, 265,
1958 245, 225, 210, 195, 185, 180, 170, 160,
1959 150, 145, 135, 130, 125, 115, 110, 107,
1960 100, 96, 93, 89, 85, 82, 75, 74,
1961 70, 68, 64, 60, 57, 56, 52, 50,
1962 49, 45, 44, 43, 40, 38, 37, 35,
1963 33, 32, 30, 29, 28, 25, 24, 22,
1964 21, 19, 18, 17, 15, 13, 12, 10
1967 const VP31_DC_SCALES: [i16; 64] = [
1968 220, 200, 190, 180, 170, 170, 160, 160,
1969 150, 150, 140, 140, 130, 130, 120, 120,
1970 110, 110, 100, 100, 90, 90, 90, 80,
1971 80, 80, 70, 70, 70, 60, 60, 60,
1972 60, 50, 50, 50, 50, 40, 40, 40,
1973 40, 40, 30, 30, 30, 30, 30, 30,
1974 30, 20, 20, 20, 20, 20, 20, 20,
1975 20, 10, 10, 10, 10, 10, 10, 10
1978 const VP3_QMAT_Y: &[i16; 64] = &[
1979 16, 11, 10, 16, 24, 40, 51, 61,
1980 12, 12, 14, 19, 26, 58, 60, 55,
1981 14, 13, 16, 24, 40, 57, 69, 56,
1982 14, 17, 22, 29, 51, 87, 80, 62,
1983 18, 22, 37, 58, 68, 109, 103, 77,
1984 24, 35, 55, 64, 81, 104, 113, 92,
1985 49, 64, 78, 87, 103, 121, 120, 101,
1986 72, 92, 95, 98, 112, 100, 103, 99
1989 const VP3_QMAT_C: &[i16; 64] = &[
1990 17, 18, 24, 47, 99, 99, 99, 99,
1991 18, 21, 26, 66, 99, 99, 99, 99,
1992 24, 26, 56, 99, 99, 99, 99, 99,
1993 47, 66, 99, 99, 99, 99, 99, 99,
1994 99, 99, 99, 99, 99, 99, 99, 99,
1995 99, 99, 99, 99, 99, 99, 99, 99,
1996 99, 99, 99, 99, 99, 99, 99, 99,
1997 99, 99, 99, 99, 99, 99, 99, 99
2000 const VP3_QMAT_INTER: &[i16; 64] = &[
2001 16, 16, 16, 20, 24, 28, 32, 40,
2002 16, 16, 20, 24, 28, 32, 40, 48,
2003 16, 20, 24, 28, 32, 40, 48, 64,
2004 20, 24, 28, 32, 40, 48, 64, 64,
2005 24, 28, 32, 40, 48, 64, 64, 64,
2006 28, 32, 40, 48, 64, 64, 64, 96,
2007 32, 40, 48, 64, 64, 64, 96, 128,
2008 40, 48, 64, 64, 64, 96, 128, 128
2011 const VP31_DC_CODES: [[u16; 32]; 16] = [
2013 0x002D, 0x0026, 0x0166, 0x004E, 0x02CE, 0x059E, 0x027D, 0x0008,
2014 0x04F9, 0x000F, 0x000E, 0x001B, 0x0006, 0x0008, 0x0005, 0x001A,
2015 0x0015, 0x0007, 0x000C, 0x0001, 0x0000, 0x0009, 0x0017, 0x0029,
2016 0x0028, 0x00B2, 0x04F8, 0x059F, 0x009E, 0x013F, 0x0012, 0x0058,
2018 0x0010, 0x0047, 0x01FF, 0x008C, 0x03FC, 0x046A, 0x0469, 0x0022,
2019 0x11A1, 0x000E, 0x000D, 0x0004, 0x0005, 0x0009, 0x0006, 0x001E,
2020 0x0016, 0x0007, 0x000C, 0x0001, 0x0000, 0x000A, 0x0017, 0x007D,
2021 0x007E, 0x011B, 0x08D1, 0x03FD, 0x046B, 0x11A0, 0x007C, 0x00FE,
2023 0x0016, 0x0020, 0x0086, 0x0087, 0x0367, 0x06CC, 0x06CB, 0x006E,
2024 0x366D, 0x000F, 0x000E, 0x0004, 0x0005, 0x000A, 0x0006, 0x001A,
2025 0x0011, 0x0007, 0x000C, 0x0001, 0x0000, 0x0009, 0x0017, 0x006F,
2026 0x006D, 0x0364, 0x0D9A, 0x06CA, 0x1B37, 0x366C, 0x0042, 0x00D8,
2028 0x0000, 0x002D, 0x00F7, 0x0058, 0x0167, 0x02CB, 0x02CA, 0x000E,
2029 0x1661, 0x0003, 0x0002, 0x0008, 0x0009, 0x000D, 0x0002, 0x001F,
2030 0x0017, 0x0001, 0x000C, 0x000E, 0x000A, 0x0006, 0x0078, 0x000F,
2031 0x007A, 0x0164, 0x0599, 0x02CD, 0x0B31, 0x1660, 0x0079, 0x00F6,
2033 0x0003, 0x003C, 0x000F, 0x007A, 0x001D, 0x0020, 0x0072, 0x0006,
2034 0x0399, 0x0004, 0x0005, 0x0005, 0x0006, 0x000E, 0x0004, 0x0000,
2035 0x0019, 0x0002, 0x000D, 0x0007, 0x001F, 0x0030, 0x0011, 0x0031,
2036 0x0005, 0x0021, 0x00E7, 0x0038, 0x01CD, 0x0398, 0x007B, 0x0009,
2038 0x0009, 0x0002, 0x0074, 0x0007, 0x00EC, 0x00D1, 0x01A6, 0x0006,
2039 0x0D21, 0x0005, 0x0006, 0x0008, 0x0007, 0x000F, 0x0004, 0x0000,
2040 0x001C, 0x0002, 0x0005, 0x0003, 0x000C, 0x0035, 0x01A7, 0x001B,
2041 0x0077, 0x01A5, 0x0349, 0x00D0, 0x0691, 0x0D20, 0x0075, 0x00ED,
2043 0x000A, 0x000C, 0x0012, 0x001B, 0x00B7, 0x016C, 0x0099, 0x005A,
2044 0x16D8, 0x0007, 0x0006, 0x0009, 0x0008, 0x0000, 0x0005, 0x0017,
2045 0x000E, 0x0002, 0x0003, 0x000F, 0x001A, 0x004D, 0x2DB3, 0x002C,
2046 0x0011, 0x02DA, 0x05B7, 0x0098, 0x0B6D, 0x2DB2, 0x0010, 0x0027,
2048 0x000D, 0x000F, 0x001D, 0x0008, 0x0051, 0x0056, 0x00AF, 0x002A,
2049 0x148A, 0x0007, 0x0000, 0x0008, 0x0009, 0x000C, 0x0006, 0x0017,
2050 0x000B, 0x0016, 0x0015, 0x0009, 0x0050, 0x00AE, 0x2917, 0x001C,
2051 0x0014, 0x0290, 0x0523, 0x0149, 0x0A44, 0x2916, 0x0053, 0x00A5,
2053 0x0001, 0x001D, 0x00F5, 0x00F4, 0x024D, 0x0499, 0x0498, 0x0001,
2054 0x0021, 0x0006, 0x0005, 0x0006, 0x0005, 0x0002, 0x0007, 0x0025,
2055 0x007B, 0x001C, 0x0020, 0x000D, 0x0048, 0x0092, 0x0127, 0x000E,
2056 0x0004, 0x0011, 0x000C, 0x003C, 0x000F, 0x0000, 0x001F, 0x0013,
2058 0x0005, 0x003C, 0x0040, 0x000D, 0x0031, 0x0061, 0x0060, 0x0002,
2059 0x00F5, 0x0006, 0x0005, 0x0007, 0x0006, 0x0002, 0x0009, 0x0025,
2060 0x0007, 0x0021, 0x0024, 0x0010, 0x0041, 0x00F4, 0x0019, 0x000E,
2061 0x0003, 0x0011, 0x0011, 0x003F, 0x003E, 0x007B, 0x0000, 0x0013,
2063 0x000A, 0x0007, 0x0001, 0x0009, 0x0131, 0x0261, 0x0260, 0x0015,
2064 0x0001, 0x0007, 0x0006, 0x0008, 0x0007, 0x0006, 0x0012, 0x002F,
2065 0x0014, 0x0027, 0x002D, 0x0016, 0x004D, 0x0099, 0x0000, 0x0004,
2066 0x0001, 0x0005, 0x0017, 0x002E, 0x002C, 0x0008, 0x0006, 0x0001,
2068 0x0000, 0x000E, 0x0017, 0x002A, 0x0010, 0x00F9, 0x00F8, 0x001E,
2069 0x003F, 0x0007, 0x0006, 0x0009, 0x0008, 0x0006, 0x000F, 0x0005,
2070 0x0016, 0x0029, 0x002B, 0x0015, 0x0050, 0x0011, 0x007D, 0x0004,
2071 0x0017, 0x0006, 0x0014, 0x002C, 0x002D, 0x000E, 0x0009, 0x0051,
2073 0x0002, 0x0018, 0x002F, 0x000D, 0x0053, 0x0295, 0x0294, 0x00A4,
2074 0x007C, 0x0000, 0x0007, 0x0009, 0x0008, 0x001B, 0x000C, 0x0028,
2075 0x006A, 0x001E, 0x001D, 0x0069, 0x00D7, 0x007D, 0x014B, 0x0019,
2076 0x0016, 0x002E, 0x001C, 0x002B, 0x002A, 0x0068, 0x003F, 0x00D6,
2078 0x0002, 0x001B, 0x000C, 0x0018, 0x0029, 0x007F, 0x02F0, 0x0198,
2079 0x0179, 0x0000, 0x0007, 0x0009, 0x0008, 0x001A, 0x000D, 0x002A,
2080 0x0064, 0x001E, 0x0067, 0x005F, 0x00CD, 0x007E, 0x02F1, 0x0016,
2081 0x000E, 0x002E, 0x0065, 0x002B, 0x0028, 0x003E, 0x00BD, 0x0199,
2083 0x0002, 0x0007, 0x0016, 0x0006, 0x0036, 0x005C, 0x015D, 0x015C,
2084 0x02BF, 0x0000, 0x0007, 0x0009, 0x0008, 0x0018, 0x0034, 0x002A,
2085 0x005E, 0x006A, 0x0064, 0x005D, 0x00CB, 0x00AD, 0x02BE, 0x0014,
2086 0x0033, 0x006E, 0x005F, 0x006F, 0x006B, 0x00CA, 0x00AC, 0x015E,
2088 0x000F, 0x001D, 0x0018, 0x000B, 0x0019, 0x0029, 0x00D6, 0x0551,
2089 0x0AA1, 0x0001, 0x0000, 0x0009, 0x0008, 0x001B, 0x0038, 0x0028,
2090 0x0057, 0x006A, 0x0068, 0x0056, 0x00E5, 0x0155, 0x0AA0, 0x0073,
2091 0x0069, 0x00D7, 0x00AB, 0x00E4, 0x00A9, 0x0151, 0x0150, 0x02A9,
2095 const VP31_DC_BITS: [[u8; 32]; 16] = [
2097 6, 7, 9, 8, 10, 11, 11, 5, 12, 4, 4, 5, 4, 4, 4, 5,
2098 5, 4, 4, 3, 3, 4, 5, 6, 6, 8, 12, 11, 9, 10, 6, 7,
2100 5, 7, 9, 8, 10, 11, 11, 6, 13, 4, 4, 4, 4, 4, 4, 5,
2101 5, 4, 4, 3, 3, 4, 5, 7, 7, 9, 12, 10, 11, 13, 7, 8,
2103 5, 6, 8, 8, 10, 11, 11, 7, 14, 4, 4, 4, 4, 4, 4, 5,
2104 5, 4, 4, 3, 3, 4, 5, 7, 7, 10, 12, 11, 13, 14, 7, 8,
2106 4, 6, 8, 7, 9, 10, 10, 6, 13, 3, 3, 4, 4, 4, 4, 5,
2107 5, 4, 4, 4, 4, 5, 7, 6, 7, 9, 11, 10, 12, 13, 7, 8,
2109 4, 6, 7, 7, 8, 9, 10, 6, 13, 3, 3, 4, 4, 4, 4, 4,
2110 5, 4, 4, 4, 5, 6, 8, 6, 6, 9, 11, 9, 12, 13, 7, 7,
2112 4, 5, 7, 6, 8, 9, 10, 6, 13, 3, 3, 4, 4, 4, 4, 4,
2113 5, 4, 4, 4, 5, 7, 10, 6, 7, 10, 11, 9, 12, 13, 7, 8,
2115 4, 5, 6, 6, 8, 9, 9, 7, 13, 3, 3, 4, 4, 3, 4, 5,
2116 5, 4, 4, 5, 6, 8, 14, 6, 6, 10, 11, 9, 12, 14, 6, 7,
2118 4, 5, 6, 5, 7, 8, 9, 7, 13, 3, 2, 4, 4, 4, 4, 5,
2119 5, 5, 5, 5, 7, 9, 14, 6, 6, 10, 11, 9, 12, 14, 7, 8,
2121 4, 6, 8, 8, 10, 11, 11, 5, 6, 3, 3, 4, 4, 4, 5, 6,
2122 7, 6, 6, 6, 7, 8, 9, 4, 4, 5, 6, 6, 5, 5, 5, 5,
2124 4, 6, 7, 7, 9, 10, 10, 5, 8, 3, 3, 4, 4, 4, 5, 6,
2125 6, 6, 6, 6, 7, 8, 8, 4, 4, 5, 6, 6, 6, 7, 4, 5,
2127 4, 5, 6, 6, 9, 10, 10, 6, 7, 3, 3, 4, 4, 4, 5, 6,
2128 6, 6, 6, 6, 7, 8, 7, 4, 4, 5, 6, 6, 6, 6, 5, 5,
2130 3, 5, 6, 6, 7, 10, 10, 7, 8, 3, 3, 4, 4, 4, 5, 5,
2131 6, 6, 6, 6, 7, 7, 9, 4, 5, 5, 6, 6, 6, 6, 6, 7,
2133 3, 5, 6, 5, 7, 10, 10, 8, 8, 2, 3, 4, 4, 5, 5, 6,
2134 7, 6, 6, 7, 8, 8, 9, 5, 5, 6, 6, 6, 6, 7, 7, 8,
2136 3, 5, 5, 5, 6, 8, 10, 9, 9, 2, 3, 4, 4, 5, 5, 6,
2137 7, 6, 7, 7, 8, 8, 10, 5, 5, 6, 7, 6, 6, 7, 8, 9,
2139 3, 4, 5, 4, 6, 7, 9, 9, 10, 2, 3, 4, 4, 5, 6, 6,
2140 7, 7, 7, 7, 8, 8, 10, 5, 6, 7, 7, 7, 7, 8, 8, 9,
2142 4, 5, 5, 4, 5, 6, 8, 11, 12, 2, 2, 4, 4, 5, 6, 6,
2143 7, 7, 7, 7, 8, 9, 12, 7, 7, 8, 8, 8, 8, 9, 9, 10,
2147 const VP31_AC_CAT0_CODES: [[u16; 32]; 16] = [
2149 0x0008, 0x0025, 0x017A, 0x02F7, 0x0BDB, 0x17B4, 0x2F6B, 0x001D,
2150 0x2F6A, 0x0008, 0x0007, 0x0001, 0x0002, 0x000A, 0x0006, 0x0000,
2151 0x001C, 0x0009, 0x000D, 0x000F, 0x000C, 0x0003, 0x000A, 0x0016,
2152 0x0013, 0x005D, 0x0024, 0x00BC, 0x005C, 0x05EC, 0x000B, 0x005F,
2154 0x000F, 0x0010, 0x004B, 0x00C6, 0x031D, 0x0C71, 0x0C70, 0x0001,
2155 0x0C73, 0x0008, 0x0009, 0x0002, 0x0003, 0x000B, 0x0006, 0x0000,
2156 0x001C, 0x0005, 0x000D, 0x000F, 0x000A, 0x0019, 0x0013, 0x001D,
2157 0x0030, 0x0062, 0x0024, 0x004A, 0x018F, 0x0C72, 0x000E, 0x0011,
2159 0x001B, 0x0003, 0x008D, 0x0040, 0x0239, 0x0471, 0x08E0, 0x0003,
2160 0x11C3, 0x000A, 0x0009, 0x0004, 0x0005, 0x000E, 0x0007, 0x0001,
2161 0x001E, 0x0006, 0x000C, 0x000B, 0x0002, 0x0000, 0x0041, 0x001F,
2162 0x0022, 0x0002, 0x008F, 0x008C, 0x011D, 0x11C2, 0x001A, 0x0021,
2164 0x001F, 0x0003, 0x0003, 0x0043, 0x000B, 0x0015, 0x0051, 0x0003,
2165 0x0050, 0x000D, 0x000C, 0x0004, 0x0006, 0x000E, 0x000A, 0x0001,
2166 0x001E, 0x0005, 0x0009, 0x0007, 0x0011, 0x0002, 0x0004, 0x0002,
2167 0x002D, 0x0020, 0x0042, 0x0001, 0x0000, 0x0029, 0x0017, 0x002C,
2169 0x0003, 0x001F, 0x003A, 0x005D, 0x0173, 0x02E4, 0x172D, 0x0004,
2170 0x172C, 0x000F, 0x000E, 0x0009, 0x0008, 0x000C, 0x000A, 0x0001,
2171 0x0016, 0x0002, 0x0005, 0x001A, 0x002F, 0x0038, 0x05CA, 0x0006,
2172 0x0037, 0x001E, 0x003B, 0x0039, 0x00B8, 0x0B97, 0x0000, 0x0036,
2174 0x0006, 0x0037, 0x005D, 0x000C, 0x00B9, 0x02E3, 0x05C4, 0x0004,
2175 0x1715, 0x0000, 0x000F, 0x0008, 0x0007, 0x000C, 0x0009, 0x001D,
2176 0x0016, 0x001C, 0x001A, 0x000B, 0x005E, 0x0170, 0x1714, 0x000A,
2177 0x000A, 0x0036, 0x005F, 0x001B, 0x001A, 0x0B8B, 0x0002, 0x0007,
2179 0x000C, 0x000B, 0x0079, 0x0022, 0x00F0, 0x0119, 0x0230, 0x001D,
2180 0x08C4, 0x0001, 0x0000, 0x000A, 0x0009, 0x000B, 0x0007, 0x001C,
2181 0x003D, 0x000D, 0x0008, 0x0015, 0x008D, 0x118B, 0x118A, 0x000D,
2182 0x0010, 0x0009, 0x0014, 0x0047, 0x00F1, 0x0463, 0x001F, 0x000C,
2184 0x0000, 0x001A, 0x0033, 0x000C, 0x0046, 0x01E3, 0x03C5, 0x0017,
2185 0x1E21, 0x0002, 0x0001, 0x0009, 0x000A, 0x0007, 0x001B, 0x003D,
2186 0x001B, 0x0022, 0x0079, 0x00F0, 0x1E20, 0x1E23, 0x1E22, 0x000E,
2187 0x0016, 0x0018, 0x0032, 0x001A, 0x0047, 0x0789, 0x001F, 0x0010,
2189 0x001D, 0x0061, 0x004E, 0x009E, 0x027C, 0x09F5, 0x09F4, 0x0003,
2190 0x0060, 0x0000, 0x000F, 0x000B, 0x000A, 0x0009, 0x0005, 0x000D,
2191 0x0031, 0x0008, 0x0038, 0x0012, 0x0026, 0x013F, 0x04FB, 0x000D,
2192 0x0002, 0x000C, 0x0039, 0x001C, 0x000F, 0x001D, 0x0008, 0x0019,
2194 0x0007, 0x0019, 0x00AB, 0x00AA, 0x0119, 0x0461, 0x0460, 0x001B,
2195 0x0047, 0x0001, 0x0000, 0x000C, 0x000B, 0x0009, 0x0005, 0x000D,
2196 0x0035, 0x003D, 0x003C, 0x0018, 0x0022, 0x008D, 0x0231, 0x000E,
2197 0x001F, 0x0009, 0x002B, 0x0010, 0x0034, 0x0054, 0x0008, 0x0014,
2199 0x000C, 0x0005, 0x0008, 0x005B, 0x004D, 0x0131, 0x0261, 0x001A,
2200 0x0012, 0x0000, 0x000F, 0x000A, 0x0009, 0x0006, 0x001B, 0x0006,
2201 0x001C, 0x002C, 0x0015, 0x005A, 0x0027, 0x0099, 0x0260, 0x000E,
2202 0x0004, 0x000F, 0x0007, 0x001D, 0x000B, 0x0014, 0x0008, 0x0017,
2204 0x000F, 0x0013, 0x0075, 0x0024, 0x0095, 0x0251, 0x04A0, 0x0010,
2205 0x00C8, 0x0002, 0x0001, 0x0001, 0x0000, 0x001A, 0x0011, 0x002C,
2206 0x0065, 0x0074, 0x004B, 0x00C9, 0x0129, 0x0943, 0x0942, 0x0003,
2207 0x000A, 0x001C, 0x0018, 0x0033, 0x0017, 0x002D, 0x001B, 0x003B,
2209 0x0003, 0x001A, 0x002D, 0x0038, 0x0028, 0x0395, 0x0E51, 0x0037,
2210 0x00E4, 0x0001, 0x0000, 0x001F, 0x001E, 0x0017, 0x003A, 0x0073,
2211 0x002A, 0x002B, 0x0029, 0x01CB, 0x0729, 0x1CA1, 0x1CA0, 0x0004,
2212 0x000A, 0x0004, 0x0018, 0x0036, 0x000B, 0x002C, 0x0019, 0x003B,
2214 0x0004, 0x0004, 0x003F, 0x0017, 0x0075, 0x01F5, 0x07D1, 0x0017,
2215 0x01F6, 0x0001, 0x0000, 0x001B, 0x001A, 0x000A, 0x0032, 0x0074,
2216 0x00F8, 0x00F9, 0x01F7, 0x03E9, 0x0FA0, 0x1F43, 0x1F42, 0x0003,
2217 0x000A, 0x001E, 0x001C, 0x003B, 0x0018, 0x0016, 0x0016, 0x0033,
2219 0x0004, 0x0007, 0x0018, 0x001E, 0x0036, 0x0031, 0x0177, 0x0077,
2220 0x0176, 0x0001, 0x0000, 0x001A, 0x0019, 0x003A, 0x0019, 0x005C,
2221 0x00BA, 0x0061, 0x00C1, 0x0180, 0x0302, 0x0607, 0x0606, 0x0002,
2222 0x000A, 0x001F, 0x001C, 0x0037, 0x0016, 0x0076, 0x000D, 0x002F,
2224 0x0000, 0x000A, 0x001A, 0x000C, 0x001D, 0x0039, 0x0078, 0x005E,
2225 0x0393, 0x0002, 0x0001, 0x0016, 0x000F, 0x002E, 0x005F, 0x0073,
2226 0x00E5, 0x01C8, 0x0E4A, 0x1C97, 0x1C96, 0x0E49, 0x0E48, 0x0004,
2227 0x0006, 0x001F, 0x001B, 0x001D, 0x0038, 0x0038, 0x003D, 0x0079,
2231 const VP31_AC_CAT0_BITS: [[u8; 32]; 16] = [
2233 5, 7, 9, 10, 12, 13, 14, 5, 14, 4, 4, 4, 4, 4, 4, 4,
2234 5, 4, 4, 4, 4, 4, 5, 5, 6, 7, 7, 8, 7, 11, 5, 7,
2236 5, 6, 8, 8, 10, 12, 12, 4, 12, 4, 4, 4, 4, 4, 4, 4,
2237 5, 4, 4, 4, 4, 5, 6, 5, 6, 7, 7, 8, 9, 12, 5, 6,
2239 5, 6, 8, 7, 10, 11, 12, 4, 13, 4, 4, 4, 4, 4, 4, 4,
2240 5, 4, 4, 4, 4, 5, 7, 5, 6, 6, 8, 8, 9, 13, 5, 6,
2242 5, 6, 7, 7, 9, 10, 12, 4, 12, 4, 4, 4, 4, 4, 4, 4,
2243 5, 4, 4, 4, 5, 6, 8, 4, 6, 6, 7, 7, 7, 11, 5, 6,
2245 4, 6, 7, 7, 9, 10, 13, 4, 13, 4, 4, 4, 4, 4, 4, 4,
2246 5, 4, 4, 5, 6, 7, 11, 4, 6, 6, 7, 7, 8, 12, 4, 6,
2248 4, 6, 7, 6, 8, 10, 11, 4, 13, 3, 4, 4, 4, 4, 4, 5,
2249 5, 5, 5, 5, 7, 9, 13, 4, 5, 6, 7, 7, 7, 12, 4, 5,
2251 4, 5, 7, 6, 8, 9, 10, 5, 12, 3, 3, 4, 4, 4, 4, 5,
2252 6, 5, 5, 6, 8, 13, 13, 4, 5, 5, 6, 7, 8, 11, 5, 5,
2254 3, 5, 6, 5, 7, 9, 10, 5, 13, 3, 3, 4, 4, 4, 5, 6,
2255 6, 6, 7, 8, 13, 13, 13, 4, 5, 5, 6, 6, 7, 11, 5, 5,
2257 5, 7, 8, 9, 11, 13, 13, 4, 7, 3, 4, 4, 4, 4, 4, 5,
2258 6, 5, 6, 6, 7, 10, 12, 4, 4, 5, 6, 6, 5, 6, 4, 5,
2260 4, 6, 8, 8, 10, 12, 12, 5, 8, 3, 3, 4, 4, 4, 4, 5,
2261 6, 6, 6, 6, 7, 9, 11, 4, 5, 5, 6, 6, 6, 7, 4, 5,
2263 4, 5, 6, 7, 9, 11, 12, 5, 7, 3, 4, 4, 4, 4, 5, 5,
2264 6, 6, 6, 7, 8, 10, 12, 4, 4, 5, 5, 6, 5, 6, 4, 5,
2266 4, 5, 7, 6, 8, 10, 11, 5, 8, 3, 3, 4, 4, 5, 5, 6,
2267 7, 7, 7, 8, 9, 12, 12, 3, 4, 5, 5, 6, 5, 6, 5, 6,
2269 3, 5, 6, 6, 7, 10, 12, 6, 8, 3, 3, 5, 5, 5, 6, 7,
2270 7, 7, 7, 9, 11, 13, 13, 3, 4, 4, 5, 6, 5, 6, 5, 6,
2272 3, 4, 6, 5, 7, 9, 11, 6, 9, 3, 3, 5, 5, 5, 6, 7,
2273 8, 8, 9, 10, 12, 13, 13, 3, 4, 5, 5, 6, 5, 6, 5, 6,
2275 3, 4, 5, 5, 6, 7, 9, 7, 9, 3, 3, 5, 5, 6, 6, 7,
2276 8, 8, 9, 10, 11, 12, 12, 3, 4, 5, 5, 6, 5, 7, 5, 6,
2278 3, 4, 5, 4, 5, 6, 7, 7, 11, 3, 3, 5, 5, 6, 7, 8,
2279 9, 10, 13, 14, 14, 13, 13, 3, 4, 5, 5, 6, 6, 7, 6, 7,
2283 const VP31_AC_CAT1_CODES: [[u16; 32]; 16] = [
2285 0x000B, 0x002B, 0x0054, 0x01B7, 0x06D9, 0x0DB1, 0x0DB0, 0x0002,
2286 0x00AB, 0x0009, 0x000A, 0x0007, 0x0008, 0x000F, 0x000C, 0x0003,
2287 0x001D, 0x0004, 0x000B, 0x0006, 0x001A, 0x0003, 0x00AA, 0x0001,
2288 0x0000, 0x0014, 0x006C, 0x00DA, 0x0002, 0x036D, 0x001C, 0x0037,
2290 0x001D, 0x0004, 0x00B6, 0x006A, 0x05B9, 0x16E1, 0x16E0, 0x0007,
2291 0x016F, 0x000C, 0x000D, 0x0009, 0x0008, 0x000F, 0x000A, 0x0003,
2292 0x0017, 0x0002, 0x0004, 0x001C, 0x002C, 0x006B, 0x0B71, 0x0005,
2293 0x0003, 0x001B, 0x005A, 0x0034, 0x0005, 0x02DD, 0x0000, 0x000C,
2295 0x0003, 0x007F, 0x00A1, 0x00A0, 0x020C, 0x0834, 0x106B, 0x0007,
2296 0x0082, 0x000E, 0x000D, 0x000B, 0x000C, 0x0000, 0x0009, 0x0002,
2297 0x0011, 0x001E, 0x0015, 0x003E, 0x0040, 0x041B, 0x106A, 0x0006,
2298 0x000A, 0x0029, 0x007E, 0x0051, 0x0021, 0x0107, 0x0004, 0x000B,
2300 0x0007, 0x001B, 0x00F6, 0x00E9, 0x03A1, 0x0740, 0x0E82, 0x001F,
2301 0x01EF, 0x0001, 0x0002, 0x000B, 0x000C, 0x000D, 0x0008, 0x001C,
2302 0x0003, 0x0012, 0x0002, 0x0075, 0x01D1, 0x1D07, 0x1D06, 0x000A,
2303 0x0013, 0x003B, 0x001A, 0x007A, 0x003C, 0x01EE, 0x0000, 0x000C,
2305 0x000D, 0x003D, 0x0042, 0x0037, 0x00D9, 0x0362, 0x06C6, 0x001F,
2306 0x0086, 0x0001, 0x0002, 0x000C, 0x000B, 0x000A, 0x0001, 0x000F,
2307 0x0025, 0x003C, 0x001A, 0x0087, 0x01B0, 0x0D8F, 0x0D8E, 0x000E,
2308 0x0013, 0x000C, 0x0024, 0x0020, 0x0011, 0x006D, 0x0000, 0x000E,
2310 0x0000, 0x0012, 0x0076, 0x0077, 0x014D, 0x0533, 0x14C9, 0x0013,
2311 0x00A5, 0x0002, 0x0003, 0x000B, 0x000C, 0x0008, 0x001A, 0x002B,
2312 0x0075, 0x0074, 0x00A7, 0x0298, 0x14C8, 0x14CB, 0x14CA, 0x000F,
2313 0x001C, 0x0007, 0x002A, 0x0028, 0x001B, 0x00A4, 0x0002, 0x0006,
2315 0x0002, 0x001A, 0x002B, 0x003A, 0x00ED, 0x0283, 0x0A0A, 0x0004,
2316 0x00A1, 0x0004, 0x0003, 0x000B, 0x000C, 0x001F, 0x0006, 0x0077,
2317 0x00A3, 0x00A2, 0x0140, 0x1417, 0x1416, 0x0A09, 0x0A08, 0x0000,
2318 0x001E, 0x0007, 0x002A, 0x0029, 0x001C, 0x00EC, 0x001B, 0x0005,
2320 0x0002, 0x0002, 0x0018, 0x001D, 0x0035, 0x00E4, 0x01CF, 0x001D,
2321 0x0072, 0x0004, 0x0005, 0x0006, 0x0007, 0x0006, 0x0073, 0x0038,
2322 0x01CE, 0x039B, 0x0398, 0x0733, 0x0732, 0x0735, 0x0734, 0x0000,
2323 0x001F, 0x001B, 0x0034, 0x000F, 0x001E, 0x00E5, 0x0019, 0x0038,
2325 0x0016, 0x0050, 0x0172, 0x02E7, 0x1732, 0x2E67, 0x2E66, 0x0006,
2326 0x0051, 0x0001, 0x0000, 0x000D, 0x000C, 0x0009, 0x001C, 0x0009,
2327 0x001C, 0x001D, 0x005D, 0x00B8, 0x05CD, 0x1731, 0x1730, 0x000F,
2328 0x0005, 0x000F, 0x0008, 0x0029, 0x001D, 0x002F, 0x0008, 0x0015,
2330 0x0009, 0x0021, 0x0040, 0x00AD, 0x02B0, 0x1589, 0x1588, 0x001C,
2331 0x005F, 0x0000, 0x000F, 0x000D, 0x000C, 0x0006, 0x0011, 0x002A,
2332 0x0057, 0x005E, 0x0041, 0x0159, 0x0563, 0x158B, 0x158A, 0x0001,
2333 0x0005, 0x0014, 0x003B, 0x002E, 0x0004, 0x003A, 0x0007, 0x0016,
2335 0x000E, 0x0007, 0x0046, 0x0045, 0x0064, 0x032A, 0x0657, 0x0018,
2336 0x000D, 0x0000, 0x000F, 0x000A, 0x000B, 0x001A, 0x0036, 0x0047,
2337 0x0044, 0x0018, 0x0033, 0x00CB, 0x0656, 0x0329, 0x0328, 0x0002,
2338 0x0006, 0x0019, 0x000E, 0x0037, 0x0009, 0x000F, 0x0002, 0x0010,
2340 0x0003, 0x0018, 0x0023, 0x0077, 0x0194, 0x1956, 0x32AF, 0x003A,
2341 0x0076, 0x0002, 0x0001, 0x001F, 0x001E, 0x0014, 0x0022, 0x0064,
2342 0x0197, 0x0196, 0x032B, 0x0654, 0x32AE, 0x1955, 0x1954, 0x0000,
2343 0x0009, 0x001C, 0x0015, 0x0010, 0x000D, 0x0017, 0x0016, 0x0033,
2345 0x0005, 0x0006, 0x003E, 0x0010, 0x0048, 0x093F, 0x24FA, 0x0032,
2346 0x0067, 0x0002, 0x0001, 0x001B, 0x001E, 0x0034, 0x0066, 0x0092,
2347 0x0126, 0x024E, 0x049E, 0x49F7, 0x49F6, 0x24F9, 0x24F8, 0x0000,
2348 0x0007, 0x0018, 0x0011, 0x003F, 0x000E, 0x0013, 0x0035, 0x0025,
2350 0x0005, 0x0008, 0x0012, 0x001C, 0x001C, 0x00EA, 0x1D75, 0x001E,
2351 0x0066, 0x0001, 0x0002, 0x001B, 0x001A, 0x001F, 0x003B, 0x0074,
2352 0x01D6, 0x03AF, 0x1D74, 0x1D77, 0x1D76, 0x0EB9, 0x0EB8, 0x000F,
2353 0x0006, 0x0013, 0x003B, 0x003A, 0x0000, 0x0018, 0x0032, 0x0067,
2355 0x0004, 0x000A, 0x001B, 0x000C, 0x000D, 0x00E6, 0x0684, 0x0072,
2356 0x00E7, 0x0002, 0x0001, 0x0017, 0x0016, 0x0018, 0x00D1, 0x01A0,
2357 0x0686, 0x0D0F, 0x0D0A, 0x1A17, 0x1A16, 0x1A1D, 0x1A1C, 0x000F,
2358 0x001D, 0x000E, 0x0035, 0x0038, 0x0000, 0x000F, 0x0019, 0x0069,
2360 0x0003, 0x000C, 0x001B, 0x0000, 0x0003, 0x002E, 0x0051, 0x00BC,
2361 0x0053, 0x0004, 0x0002, 0x0016, 0x0015, 0x0015, 0x0050, 0x00A4,
2362 0x0294, 0x052B, 0x052A, 0x052D, 0x052C, 0x052F, 0x052E, 0x000E,
2363 0x001A, 0x0004, 0x0028, 0x0029, 0x000F, 0x000B, 0x005F, 0x00BD,
2367 const VP31_AC_CAT1_BITS: [[u8; 32]; 16] = [
2369 5, 7, 8, 9, 11, 12, 12, 4, 9, 4, 4, 4, 4, 4, 4, 4,
2370 5, 4, 4, 4, 5, 6, 9, 4, 5, 6, 7, 8, 6, 10, 5, 6,
2372 5, 6, 8, 8, 11, 13, 13, 4, 9, 4, 4, 4, 4, 4, 4, 4,
2373 5, 4, 4, 5, 6, 8, 12, 4, 5, 6, 7, 7, 6, 10, 4, 5,
2375 4, 7, 8, 8, 10, 12, 13, 4, 8, 4, 4, 4, 4, 3, 4, 4,
2376 5, 5, 5, 6, 7, 11, 13, 4, 5, 6, 7, 7, 6, 9, 4, 5,
2378 4, 6, 8, 8, 10, 11, 12, 5, 9, 3, 3, 4, 4, 4, 4, 5,
2379 5, 5, 5, 7, 9, 13, 13, 4, 5, 6, 6, 7, 6, 9, 4, 5,
2381 4, 6, 7, 7, 9, 11, 12, 5, 8, 3, 3, 4, 4, 4, 4, 5,
2382 6, 6, 6, 8, 10, 13, 13, 4, 5, 5, 6, 6, 5, 8, 4, 5,
2384 3, 5, 7, 7, 9, 11, 13, 5, 8, 3, 3, 4, 4, 4, 5, 6,
2385 7, 7, 8, 10, 13, 13, 13, 4, 5, 5, 6, 6, 5, 8, 4, 5,
2387 3, 5, 6, 6, 8, 10, 12, 5, 8, 3, 3, 4, 4, 5, 5, 7,
2388 8, 8, 9, 13, 13, 12, 12, 3, 5, 5, 6, 6, 5, 8, 5, 5,
2390 3, 4, 5, 5, 6, 8, 11, 7, 9, 3, 3, 4, 4, 5, 7, 8,
2391 11, 12, 12, 13, 13, 13, 13, 3, 5, 5, 6, 6, 5, 8, 5, 6,
2393 5, 7, 9, 10, 13, 14, 14, 4, 7, 3, 3, 4, 4, 4, 5, 5,
2394 6, 6, 7, 8, 11, 13, 13, 4, 4, 5, 5, 6, 5, 6, 4, 5,
2396 4, 6, 7, 8, 10, 13, 13, 5, 7, 3, 4, 4, 4, 4, 5, 6,
2397 7, 7, 7, 9, 11, 13, 13, 3, 4, 5, 6, 6, 4, 6, 4, 5,
2399 4, 5, 7, 7, 9, 12, 13, 5, 6, 3, 4, 4, 4, 5, 6, 7,
2400 7, 7, 8, 10, 13, 12, 12, 3, 4, 5, 5, 6, 4, 5, 4, 5,
2402 3, 5, 6, 7, 9, 13, 14, 6, 7, 3, 3, 5, 5, 5, 6, 7,
2403 9, 9, 10, 11, 14, 13, 13, 3, 4, 5, 5, 5, 4, 5, 5, 6,
2405 3, 4, 6, 5, 7, 12, 14, 6, 7, 3, 3, 5, 5, 6, 7, 8,
2406 9, 10, 11, 15, 15, 14, 14, 3, 4, 5, 5, 6, 4, 5, 6, 6,
2408 3, 4, 5, 5, 6, 9, 14, 6, 7, 3, 3, 5, 5, 6, 7, 8,
2409 10, 11, 14, 14, 14, 13, 13, 4, 4, 5, 6, 6, 3, 5, 6, 7,
2411 3, 4, 5, 4, 5, 8, 11, 7, 8, 3, 3, 5, 5, 6, 8, 9,
2412 11, 12, 12, 13, 13, 13, 13, 4, 5, 5, 6, 6, 3, 5, 6, 7,
2414 3, 4, 5, 3, 4, 6, 9, 8, 9, 3, 3, 5, 5, 7, 9, 10,
2415 12, 13, 13, 13, 13, 13, 13, 4, 5, 5, 6, 6, 4, 6, 7, 8,
2419 const VP31_AC_CAT2_CODES: [[u16; 32]; 16] = [
2421 0x0003, 0x0009, 0x00D0, 0x01A3, 0x0344, 0x0D14, 0x1A2B, 0x0004,
2422 0x0015, 0x0000, 0x000F, 0x000B, 0x000C, 0x000E, 0x0009, 0x001B,
2423 0x000A, 0x0014, 0x000D, 0x002A, 0x0014, 0x068B, 0x1A2A, 0x0008,
2424 0x000B, 0x002B, 0x000B, 0x0069, 0x0035, 0x0008, 0x0007, 0x000C,
2426 0x000A, 0x003C, 0x0032, 0x0030, 0x00C5, 0x0621, 0x0620, 0x001F,
2427 0x0033, 0x0001, 0x0000, 0x000E, 0x000D, 0x000C, 0x0004, 0x000D,
2428 0x0026, 0x0027, 0x0014, 0x0063, 0x0189, 0x0623, 0x0622, 0x000B,
2429 0x0012, 0x003D, 0x0022, 0x0015, 0x000B, 0x0023, 0x0007, 0x0010,
2431 0x000F, 0x000C, 0x0043, 0x0010, 0x0044, 0x0114, 0x0455, 0x0018,
2432 0x0023, 0x0001, 0x0000, 0x000E, 0x000D, 0x0009, 0x0019, 0x0009,
2433 0x0017, 0x0016, 0x0042, 0x008B, 0x0454, 0x0457, 0x0456, 0x000B,
2434 0x0015, 0x000A, 0x0029, 0x0020, 0x000D, 0x0028, 0x0007, 0x0011,
2436 0x0001, 0x001A, 0x0029, 0x002A, 0x00A0, 0x0285, 0x1425, 0x0002,
2437 0x0000, 0x0002, 0x0003, 0x000C, 0x000B, 0x0008, 0x0012, 0x0001,
2438 0x0051, 0x0001, 0x0143, 0x0508, 0x1424, 0x1427, 0x1426, 0x000F,
2439 0x001C, 0x0003, 0x0037, 0x002B, 0x0013, 0x0036, 0x001D, 0x0001,
2441 0x0004, 0x001F, 0x003D, 0x0006, 0x0016, 0x0053, 0x014A, 0x0034,
2442 0x002A, 0x0002, 0x0003, 0x000B, 0x000C, 0x001C, 0x0037, 0x0017,
2443 0x002B, 0x0028, 0x00A4, 0x052D, 0x052C, 0x052F, 0x052E, 0x0000,
2444 0x001D, 0x0007, 0x0004, 0x0035, 0x0014, 0x0036, 0x0015, 0x003C,
2446 0x0004, 0x000A, 0x0007, 0x001D, 0x0009, 0x01F3, 0x07C7, 0x0008,
2447 0x01F0, 0x0003, 0x0002, 0x000D, 0x000C, 0x0017, 0x007D, 0x01F2,
2448 0x07C6, 0x07C5, 0x1F12, 0x3E27, 0x3E26, 0x1F11, 0x1F10, 0x0000,
2449 0x001E, 0x0006, 0x0039, 0x0038, 0x003F, 0x002C, 0x0005, 0x002D,
2451 0x0002, 0x0007, 0x0018, 0x0003, 0x0005, 0x0035, 0x004F, 0x0012,
2452 0x04E5, 0x0005, 0x0004, 0x000D, 0x000E, 0x0033, 0x0026, 0x009D,
2453 0x04E4, 0x04E7, 0x04E6, 0x04E1, 0x04E0, 0x04E3, 0x04E2, 0x0000,
2454 0x001F, 0x000C, 0x003D, 0x003C, 0x0032, 0x0034, 0x001B, 0x0008,
2456 0x0000, 0x0004, 0x001C, 0x000F, 0x0002, 0x0007, 0x0075, 0x00E8,
2457 0x1D2A, 0x0005, 0x0004, 0x000D, 0x000C, 0x0077, 0x0E96, 0x3A57,
2458 0x3A56, 0x3A5D, 0x3A5C, 0x3A5F, 0x3A5E, 0x1D29, 0x1D28, 0x0003,
2459 0x0006, 0x000A, 0x002C, 0x0017, 0x0076, 0x01D3, 0x03A4, 0x002D,
2461 0x000A, 0x0024, 0x00BF, 0x0085, 0x0211, 0x0842, 0x1087, 0x0018,
2462 0x0020, 0x0001, 0x0002, 0x000E, 0x000D, 0x0007, 0x0013, 0x0025,
2463 0x005E, 0x0043, 0x00BE, 0x0109, 0x1086, 0x0841, 0x0840, 0x000F,
2464 0x0001, 0x0011, 0x0000, 0x002E, 0x0019, 0x0001, 0x0006, 0x0016,
2466 0x0002, 0x000F, 0x006F, 0x0061, 0x0374, 0x1BA8, 0x3753, 0x0012,
2467 0x0036, 0x0000, 0x0001, 0x000A, 0x000B, 0x001A, 0x0031, 0x0060,
2468 0x00DC, 0x01BB, 0x06EB, 0x1BAB, 0x3752, 0x3755, 0x3754, 0x000E,
2469 0x0006, 0x0013, 0x000E, 0x003E, 0x0008, 0x001E, 0x0019, 0x003F,
2471 0x0003, 0x001C, 0x0025, 0x0024, 0x01DA, 0x1DBD, 0x3B7C, 0x003C,
2472 0x003D, 0x0000, 0x0001, 0x000B, 0x000A, 0x000B, 0x0077, 0x00EC,
2473 0x03B6, 0x076E, 0x1DBF, 0x76FB, 0x76FA, 0x3B79, 0x3B78, 0x000D,
2474 0x001F, 0x0013, 0x000A, 0x0008, 0x000C, 0x0008, 0x0009, 0x003A,
2476 0x0005, 0x0003, 0x0004, 0x0010, 0x008F, 0x0475, 0x11D1, 0x0079,
2477 0x0027, 0x0002, 0x0003, 0x0001, 0x0000, 0x0026, 0x0046, 0x011C,
2478 0x0477, 0x08ED, 0x11D0, 0x11D3, 0x11D2, 0x11D9, 0x11D8, 0x000D,
2479 0x001F, 0x0012, 0x0005, 0x003D, 0x000C, 0x000E, 0x0022, 0x0078,
2481 0x0005, 0x000C, 0x001B, 0x0000, 0x0006, 0x03E2, 0x3E3D, 0x000F,
2482 0x0034, 0x0003, 0x0002, 0x001E, 0x001D, 0x007D, 0x01F0, 0x07C6,
2483 0x3E3C, 0x3E3F, 0x3E3E, 0x3E39, 0x3E38, 0x3E3B, 0x3E3A, 0x0008,
2484 0x001C, 0x0002, 0x003F, 0x0035, 0x0009, 0x0001, 0x000E, 0x00F9,
2486 0x0004, 0x000B, 0x0001, 0x000A, 0x001E, 0x00E0, 0x0E1E, 0x0071,
2487 0x0039, 0x0007, 0x0006, 0x000D, 0x000C, 0x0020, 0x01C2, 0x1C3F,
2488 0x1C3E, 0x0E19, 0x0E18, 0x0E1B, 0x0E1A, 0x0E1D, 0x0E1C, 0x0000,
2489 0x0009, 0x001D, 0x001F, 0x0011, 0x0005, 0x0001, 0x0043, 0x0042,
2491 0x0004, 0x000D, 0x0007, 0x0002, 0x0014, 0x016C, 0x16D1, 0x02DF,
2492 0x016E, 0x0000, 0x0007, 0x002C, 0x002B, 0x02DE, 0x16D0, 0x16D3,
2493 0x16D2, 0x2DB5, 0x2DB4, 0x2DB7, 0x2DB6, 0x16D9, 0x16D8, 0x000C,
2494 0x002A, 0x005A, 0x001B, 0x001A, 0x0017, 0x000C, 0x05B7, 0x05B5,
2496 0x0002, 0x000F, 0x001C, 0x000C, 0x003B, 0x01AC, 0x1AD8, 0x35B3,
2497 0x35B2, 0x0001, 0x0000, 0x0069, 0x0068, 0x35BD, 0x35BC, 0x35BF,
2498 0x35BE, 0x35B9, 0x35B8, 0x35BB, 0x35BA, 0x35B5, 0x35B4, 0x01A9,
2499 0x01A8, 0x035A, 0x00D7, 0x00D5, 0x003A, 0x001B, 0x35B7, 0x35B6,
2503 const VP31_AC_CAT2_BITS: [[u8; 32]; 16] = [
2505 4, 6, 8, 9, 10, 12, 13, 4, 7, 3, 4, 4, 4, 4, 4, 5,
2506 5, 5, 5, 6, 7, 11, 13, 4, 5, 6, 6, 7, 6, 6, 4, 5,
2508 4, 6, 7, 7, 9, 12, 12, 5, 7, 3, 3, 4, 4, 4, 4, 5,
2509 6, 6, 6, 8, 10, 12, 12, 4, 5, 6, 6, 6, 5, 6, 4, 5,
2511 4, 5, 7, 6, 8, 10, 12, 5, 7, 3, 3, 4, 4, 4, 5, 5,
2512 6, 6, 7, 9, 12, 12, 12, 4, 5, 5, 6, 6, 5, 6, 4, 5,
2514 3, 5, 6, 6, 8, 10, 13, 5, 7, 3, 3, 4, 4, 4, 5, 6,
2515 7, 7, 9, 11, 13, 13, 13, 4, 5, 5, 6, 6, 5, 6, 5, 5,
2517 3, 5, 6, 5, 7, 9, 11, 6, 8, 3, 3, 4, 4, 5, 6, 7,
2518 8, 8, 10, 13, 13, 13, 13, 3, 5, 5, 5, 6, 5, 6, 5, 6,
2520 3, 4, 5, 5, 6, 9, 11, 6, 9, 3, 3, 4, 4, 5, 7, 9,
2521 11, 11, 13, 14, 14, 13, 13, 3, 5, 5, 6, 6, 6, 6, 5, 6,
2523 3, 4, 5, 4, 5, 7, 9, 7, 13, 3, 3, 4, 4, 6, 8, 10,
2524 13, 13, 13, 13, 13, 13, 13, 3, 5, 5, 6, 6, 6, 7, 6, 6,
2526 3, 4, 5, 4, 4, 5, 7, 8, 13, 3, 3, 4, 4, 7, 12, 14,
2527 14, 14, 14, 14, 14, 13, 13, 3, 5, 5, 7, 6, 7, 9, 10, 7,
2529 4, 6, 8, 8, 10, 12, 13, 5, 6, 3, 3, 4, 4, 4, 5, 6,
2530 7, 7, 8, 9, 13, 12, 12, 4, 4, 5, 5, 6, 5, 5, 4, 5,
2532 3, 5, 7, 7, 10, 13, 14, 5, 6, 3, 3, 4, 4, 5, 6, 7,
2533 8, 9, 11, 13, 14, 14, 14, 4, 4, 5, 5, 6, 4, 5, 5, 6,
2535 3, 5, 6, 6, 9, 13, 14, 6, 6, 3, 3, 4, 4, 5, 7, 8,
2536 10, 11, 13, 15, 15, 14, 14, 4, 5, 5, 5, 5, 4, 4, 5, 6,
2538 3, 4, 5, 5, 8, 11, 13, 7, 6, 3, 3, 4, 4, 6, 7, 9,
2539 11, 12, 13, 13, 13, 13, 13, 4, 5, 5, 5, 6, 4, 4, 6, 7,
2541 3, 4, 5, 4, 6, 10, 14, 7, 6, 3, 3, 5, 5, 7, 9, 11,
2542 14, 14, 14, 14, 14, 14, 14, 4, 5, 5, 6, 6, 4, 3, 7, 8,
2544 3, 4, 4, 4, 6, 9, 13, 8, 7, 3, 3, 5, 5, 7, 10, 14,
2545 14, 13, 13, 13, 13, 13, 13, 4, 5, 6, 6, 6, 4, 3, 8, 8,
2547 3, 4, 4, 3, 5, 9, 13, 10, 9, 2, 3, 6, 6, 10, 13, 13,
2548 13, 14, 14, 14, 14, 13, 13, 5, 6, 7, 6, 6, 5, 4, 11, 11,
2550 2, 4, 5, 4, 6, 9, 13, 14, 14, 2, 2, 7, 7, 14, 14, 14,
2551 14, 14, 14, 14, 14, 14, 14, 9, 9, 10, 8, 8, 6, 5, 14, 14,
2555 const VP31_AC_CAT3_CODES: [[u16; 32]; 16] = [
2557 0x0000, 0x0010, 0x0072, 0x0071, 0x0154, 0x0AAB, 0x0AA8, 0x0014,
2558 0x0070, 0x0002, 0x0003, 0x000C, 0x000B, 0x0003, 0x0011, 0x0073,
2559 0x0054, 0x00AB, 0x02AB, 0x1553, 0x1552, 0x1555, 0x1554, 0x000D,
2560 0x001E, 0x0012, 0x003E, 0x002B, 0x0002, 0x003F, 0x001D, 0x0013,
2562 0x0003, 0x001F, 0x0029, 0x003D, 0x000C, 0x0069, 0x0345, 0x0002,
2563 0x0028, 0x0002, 0x0001, 0x000E, 0x000C, 0x0015, 0x0007, 0x001B,
2564 0x006B, 0x006A, 0x0344, 0x0347, 0x0346, 0x01A1, 0x01A0, 0x000B,
2565 0x001A, 0x0012, 0x0000, 0x003C, 0x0008, 0x001B, 0x0013, 0x0001,
2567 0x0004, 0x0004, 0x003F, 0x0014, 0x0056, 0x015C, 0x15D5, 0x003C,
2568 0x002A, 0x0000, 0x0001, 0x000E, 0x000D, 0x000C, 0x00AF, 0x02BB,
2569 0x15D4, 0x15D7, 0x15D6, 0x15D1, 0x15D0, 0x15D3, 0x15D2, 0x000B,
2570 0x0019, 0x000D, 0x003E, 0x0031, 0x0007, 0x0005, 0x003D, 0x0030,
2572 0x0005, 0x0008, 0x001A, 0x0000, 0x0036, 0x0011, 0x0106, 0x000A,
2573 0x006E, 0x0002, 0x0003, 0x0003, 0x0002, 0x006F, 0x0021, 0x020F,
2574 0x020E, 0x0101, 0x0100, 0x0103, 0x0102, 0x0105, 0x0104, 0x000C,
2575 0x001E, 0x0003, 0x003E, 0x003F, 0x0009, 0x000E, 0x000B, 0x0009,
2577 0x0002, 0x000E, 0x001E, 0x000C, 0x001F, 0x006E, 0x00AD, 0x00AF,
2578 0x0014, 0x0004, 0x0003, 0x001A, 0x0017, 0x002A, 0x0576, 0x0AEF,
2579 0x0AEE, 0x0571, 0x0570, 0x0573, 0x0572, 0x0575, 0x0574, 0x0003,
2580 0x0016, 0x0004, 0x0036, 0x000B, 0x000A, 0x0000, 0x006F, 0x00AC,
2582 0x0004, 0x0005, 0x0003, 0x0001, 0x0004, 0x002F, 0x0526, 0x1495,
2583 0x00A6, 0x0007, 0x0006, 0x002D, 0x002C, 0x1494, 0x1497, 0x1496,
2584 0x1491, 0x1490, 0x1493, 0x1492, 0x293D, 0x293C, 0x293F, 0x0000,
2585 0x0028, 0x00A5, 0x0148, 0x00A7, 0x002E, 0x0015, 0x0A4E, 0x293E,
2587 0x0004, 0x0005, 0x0003, 0x0001, 0x0004, 0x002F, 0x0526, 0x1495,
2588 0x00A6, 0x0007, 0x0006, 0x002D, 0x002C, 0x1494, 0x1497, 0x1496,
2589 0x1491, 0x1490, 0x1493, 0x1492, 0x293D, 0x293C, 0x293F, 0x0000,
2590 0x0028, 0x00A5, 0x0148, 0x00A7, 0x002E, 0x0015, 0x0A4E, 0x293E,
2592 0x0004, 0x0005, 0x0003, 0x0001, 0x0004, 0x002F, 0x0526, 0x1495,
2593 0x00A6, 0x0007, 0x0006, 0x002D, 0x002C, 0x1494, 0x1497, 0x1496,
2594 0x1491, 0x1490, 0x1493, 0x1492, 0x293D, 0x293C, 0x293F, 0x0000,
2595 0x0028, 0x00A5, 0x0148, 0x00A7, 0x002E, 0x0015, 0x0A4E, 0x293E,
2597 0x0003, 0x0011, 0x0020, 0x0074, 0x010D, 0x0863, 0x0860, 0x000A,
2598 0x0075, 0x0001, 0x0000, 0x000B, 0x000A, 0x0018, 0x0038, 0x0042,
2599 0x010F, 0x010E, 0x0219, 0x10C3, 0x10C2, 0x10C5, 0x10C4, 0x000F,
2600 0x0004, 0x0019, 0x000B, 0x0039, 0x0009, 0x001B, 0x001A, 0x003B,
2602 0x0005, 0x0001, 0x003E, 0x0001, 0x00E2, 0x1C6F, 0x38D9, 0x0039,
2603 0x001F, 0x0002, 0x0001, 0x0009, 0x0008, 0x0000, 0x0070, 0x01C7,
2604 0x038C, 0x071A, 0x38D8, 0x38DB, 0x38DA, 0x38DD, 0x38DC, 0x000D,
2605 0x001D, 0x000E, 0x003F, 0x003C, 0x000C, 0x0006, 0x003D, 0x001E,
2607 0x0006, 0x000B, 0x0011, 0x001E, 0x0074, 0x03AA, 0x1D5C, 0x0001,
2608 0x0021, 0x0001, 0x0002, 0x0007, 0x0006, 0x003E, 0x00EB, 0x01D4,
2609 0x0EAF, 0x3ABB, 0x3ABA, 0x1D59, 0x1D58, 0x1D5B, 0x1D5A, 0x000A,
2610 0x001C, 0x0001, 0x003F, 0x003B, 0x0001, 0x0009, 0x0020, 0x0000,
2612 0x0004, 0x000A, 0x0017, 0x0004, 0x0016, 0x016A, 0x16B1, 0x0017,
2613 0x005B, 0x0006, 0x0007, 0x0001, 0x0000, 0x000A, 0x02D7, 0x0B5A,
2614 0x16B0, 0x16B3, 0x16B2, 0x2D6D, 0x2D6C, 0x2D6F, 0x2D6E, 0x0006,
2615 0x000A, 0x0004, 0x002C, 0x0017, 0x0003, 0x0007, 0x0016, 0x00B4,
2617 0x0005, 0x000D, 0x0005, 0x0009, 0x0033, 0x0193, 0x192C, 0x0061,
2618 0x0031, 0x0000, 0x0007, 0x0010, 0x0011, 0x00C8, 0x192F, 0x325B,
2619 0x325A, 0x1929, 0x1928, 0x192B, 0x192A, 0x325D, 0x325C, 0x0018,
2620 0x001A, 0x001B, 0x0065, 0x0019, 0x0004, 0x0007, 0x0060, 0x0324,
2622 0x0006, 0x0000, 0x0002, 0x000F, 0x0039, 0x01D9, 0x1D82, 0x0761,
2623 0x03BE, 0x0001, 0x0002, 0x000F, 0x000E, 0x0762, 0x3B07, 0x3B06,
2624 0x3B1D, 0x3B1C, 0x3B1F, 0x3B1E, 0x3B19, 0x3B18, 0x3B1B, 0x0038,
2625 0x01DE, 0x00ED, 0x03BF, 0x00EE, 0x003A, 0x0006, 0x0EC0, 0x3B1A,
2627 0x0000, 0x0002, 0x000F, 0x0006, 0x001C, 0x01D0, 0x0E8C, 0x1D1B,
2628 0x1D1A, 0x0003, 0x0002, 0x00EA, 0x00E9, 0x0E89, 0x0E88, 0x0E8B,
2629 0x0E8A, 0x1D65, 0x1D64, 0x1D67, 0x1D66, 0x1D61, 0x1D60, 0x03AD,
2630 0x1D63, 0x1D62, 0x1D1D, 0x1D1C, 0x003B, 0x01D7, 0x1D1F, 0x1D1E,
2632 0x0002, 0x000F, 0x001C, 0x000C, 0x003B, 0x01AC, 0x1AD8, 0x35B3,
2633 0x35B2, 0x0001, 0x0000, 0x0069, 0x0068, 0x35BD, 0x35BC, 0x35BF,
2634 0x35BE, 0x35B9, 0x35B8, 0x35BB, 0x35BA, 0x35B5, 0x35B4, 0x01A9,
2635 0x01A8, 0x035A, 0x00D7, 0x00D5, 0x003A, 0x001B, 0x35B7, 0x35B6,
2639 const VP31_AC_CAT3_BITS: [[u8; 32]; 16] = [
2641 3, 5, 7, 7, 9, 12, 12, 5, 7, 3, 3, 4, 4, 4, 5, 7,
2642 7, 8, 10, 13, 13, 13, 13, 4, 5, 5, 6, 6, 4, 6, 5, 5,
2644 3, 5, 6, 6, 7, 10, 13, 5, 6, 3, 3, 4, 4, 5, 6, 8,
2645 10, 10, 13, 13, 13, 12, 12, 4, 5, 5, 5, 6, 4, 5, 5, 5,
2647 3, 4, 6, 5, 7, 9, 13, 6, 6, 3, 3, 4, 4, 5, 8, 10,
2648 13, 13, 13, 13, 13, 13, 13, 4, 5, 5, 6, 6, 4, 4, 6, 6,
2650 3, 4, 5, 4, 6, 8, 12, 7, 7, 3, 3, 4, 4, 7, 9, 13,
2651 13, 12, 12, 12, 12, 12, 12, 4, 5, 5, 6, 6, 4, 4, 7, 7,
2653 3, 4, 5, 4, 5, 7, 10, 10, 7, 3, 3, 5, 5, 8, 13, 14,
2654 14, 13, 13, 13, 13, 13, 13, 4, 5, 5, 6, 6, 4, 3, 7, 10,
2656 3, 4, 3, 3, 4, 6, 11, 13, 8, 3, 3, 6, 6, 13, 13, 13,
2657 13, 13, 13, 13, 14, 14, 14, 3, 6, 8, 9, 8, 6, 5, 12, 14,
2659 3, 4, 3, 3, 4, 6, 11, 13, 8, 3, 3, 6, 6, 13, 13, 13,
2660 13, 13, 13, 13, 14, 14, 14, 3, 6, 8, 9, 8, 6, 5, 12, 14,
2662 3, 4, 3, 3, 4, 6, 11, 13, 8, 3, 3, 6, 6, 13, 13, 13,
2663 13, 13, 13, 13, 14, 14, 14, 3, 6, 8, 9, 8, 6, 5, 12, 14,
2665 3, 5, 6, 7, 9, 12, 12, 5, 7, 3, 3, 4, 4, 5, 6, 7,
2666 9, 9, 10, 13, 13, 13, 13, 4, 4, 5, 5, 6, 4, 5, 5, 6,
2668 3, 4, 6, 5, 8, 13, 14, 6, 6, 3, 3, 4, 4, 5, 7, 9,
2669 10, 11, 14, 14, 14, 14, 14, 4, 5, 5, 6, 6, 4, 4, 6, 6,
2671 3, 4, 5, 5, 7, 10, 13, 6, 6, 3, 3, 4, 4, 6, 8, 9,
2672 12, 14, 14, 13, 13, 13, 13, 4, 5, 5, 6, 6, 4, 4, 6, 6,
2674 3, 4, 5, 4, 6, 9, 13, 7, 7, 3, 3, 4, 4, 6, 10, 12,
2675 13, 13, 13, 14, 14, 14, 14, 4, 5, 5, 6, 6, 4, 4, 7, 8,
2677 3, 4, 4, 4, 6, 9, 13, 8, 7, 2, 3, 5, 5, 8, 13, 14,
2678 14, 13, 13, 13, 13, 14, 14, 5, 6, 6, 7, 6, 4, 4, 8, 10,
2680 3, 3, 4, 4, 6, 9, 13, 11, 10, 2, 2, 6, 6, 11, 14, 14,
2681 14, 14, 14, 14, 14, 14, 14, 6, 9, 8, 10, 8, 6, 5, 12, 14,
2683 2, 3, 5, 4, 6, 10, 13, 14, 14, 2, 2, 9, 9, 13, 13, 13,
2684 13, 14, 14, 14, 14, 14, 14, 11, 14, 14, 14, 14, 7, 10, 14, 14,
2686 2, 4, 5, 4, 6, 9, 13, 14, 14, 2, 2, 7, 7, 14, 14, 14,
2687 14, 14, 14, 14, 14, 14, 14, 9, 9, 10, 8, 8, 6, 5, 14, 14,
2691 const VP31_DC_WEIGHTS: [[i16; 5]; 16] = [
2700 [ 29, -26, 29, 0, 32 ],
2703 [ 75, 0, 0, 53, 128 ],
2705 [ 75, 0, 0, 53, 128 ],
2708 [ 75, 0, 0, 53, 128 ],
2709 [ 0, 3, 10, 3, 16 ],
2710 [ 29, -26, 29, 0, 32 ],
2713 const VP30_DC_SCALES: [i16; 64] = [
2714 24, 20, 20, 20, 20, 20, 20, 20,
2715 19, 19, 19, 19, 18, 18, 18, 18,
2716 17, 17, 17, 17, 16, 16, 15, 15,
2717 14, 14, 13, 13, 12, 12, 11, 11,
2718 10, 10, 9, 9, 8, 8, 7, 7,
2719 6, 6, 6, 6, 5, 5, 5, 5,
2720 4, 4, 4, 4, 3, 3, 3, 3,
2721 2, 2, 2, 2, 1, 1, 1, 1
2724 const VP30_AC_SCALES: [i16; 64] = [
2725 3000, 2500, 2000, 1500, 1200, 1000, 900, 800,
2726 750, 700, 650, 630, 600, 550, 500, 450,
2727 410, 380, 350, 320, 290, 260, 240, 220,
2728 200, 180, 165, 150, 140, 130, 120, 115,
2729 110, 100, 95, 90, 85, 80, 75, 70,
2730 67, 65, 63, 61, 57, 55, 53, 50,
2731 49, 46, 44, 42, 39, 36, 33, 30,
2732 27, 24, 21, 19, 17, 15, 12, 10
2735 const VP30_DC_CODES: [[u16; 32]; 5] = [
2737 0x0005, 0x002D, 0x0004, 0x0009, 0x0088, 0x0225, 0x0224, 0x0005,
2738 0x0011, 0x0007, 0x0006, 0x0009, 0x000A, 0x0007, 0x0017, 0x000C,
2739 0x002C, 0x0005, 0x0008, 0x0003, 0x0012, 0x0010, 0x0113, 0x0003,
2740 0x0010, 0x0000, 0x0013, 0x001A, 0x0023, 0x0045, 0x0001, 0x001B
2742 0x000B, 0x0012, 0x0029, 0x0010, 0x000D, 0x00A2, 0x0020, 0x0009,
2743 0x0050, 0x0007, 0x0006, 0x0006, 0x0005, 0x0002, 0x0008, 0x0027,
2744 0x0005, 0x0022, 0x0023, 0x0057, 0x00A3, 0x0011, 0x0021, 0x0007,
2745 0x0000, 0x0009, 0x002A, 0x0003, 0x0007, 0x0026, 0x000C, 0x0056
2747 0x000D, 0x0018, 0x0009, 0x0017, 0x0033, 0x0056, 0x00F7, 0x00F1,
2748 0x007A, 0x0000, 0x0007, 0x0009, 0x0008, 0x0005, 0x000D, 0x002D,
2749 0x0010, 0x001D, 0x001C, 0x0057, 0x00CB, 0x00F6, 0x00F0, 0x0014,
2750 0x000C, 0x002C, 0x0011, 0x001F, 0x002A, 0x0064, 0x00CA, 0x0079
2752 0x000F, 0x001A, 0x0013, 0x001B, 0x003B, 0x0072, 0x01D3, 0x0707,
2753 0x0E0D, 0x0001, 0x0000, 0x000C, 0x000B, 0x0008, 0x0012, 0x002A,
2754 0x0073, 0x0028, 0x0075, 0x0056, 0x0052, 0x01C0, 0x0E0C, 0x0071,
2755 0x0057, 0x00E1, 0x00A6, 0x00E8, 0x00A7, 0x03A5, 0x03A4, 0x0382
2757 0x000F, 0x001B, 0x0014, 0x001D, 0x0010, 0x0073, 0x00E2, 0x023C,
2758 0x11C9, 0x0001, 0x0000, 0x000C, 0x000B, 0x0009, 0x0015, 0x0035,
2759 0x0072, 0x0034, 0x0022, 0x0070, 0x0046, 0x011D, 0x11C8, 0x01C7,
2760 0x01C6, 0x0238, 0x047E, 0x023E, 0x0473, 0x08E5, 0x023D, 0x047F
2763 const VP30_DC_BITS: [[u8; 32]; 5] = [
2765 4, 6, 6, 6, 8, 10, 10, 6, 7, 3, 3, 4, 4, 4, 5, 5,
2766 6, 5, 5, 5, 6, 7, 9, 4, 5, 5, 6, 6, 6, 7, 5, 6
2768 4, 5, 6, 5, 6, 8, 9, 7, 7, 3, 3, 4, 4, 4, 5, 6,
2769 6, 6, 6, 7, 8, 8, 9, 4, 4, 5, 6, 5, 5, 6, 6, 7
2771 4, 5, 5, 5, 6, 7, 9, 9, 8, 2, 3, 4, 4, 4, 5, 6,
2772 6, 6, 6, 7, 8, 9, 9, 5, 5, 6, 6, 6, 6, 7, 8, 8
2774 4, 5, 5, 5, 6, 7, 9, 11, 12, 2, 2, 4, 4, 4, 5, 6,
2775 7, 6, 7, 7, 7, 9, 12, 7, 7, 8, 8, 8, 8, 10, 10, 10
2777 4, 5, 5, 5, 5, 7, 8, 10, 13, 2, 2, 4, 4, 4, 5, 6,
2778 7, 6, 6, 7, 7, 9, 13, 9, 9, 10, 11, 10, 11, 12, 10, 11
2781 const VP30_AC_INTRA_CODES: [[u16; 32]; 5] = [
2783 0x0008, 0x0033, 0x0008, 0x004B, 0x0089, 0x0221, 0x0220, 0x001F,
2784 0x0045, 0x0000, 0x000E, 0x000B, 0x000A, 0x000D, 0x0006, 0x001E,
2785 0x000A, 0x0018, 0x0013, 0x0005, 0x0009, 0x0046, 0x0111, 0x0007,
2786 0x000B, 0x0032, 0x0010, 0x004A, 0x0024, 0x0047, 0x0003, 0x0009
2788 0x000E, 0x000E, 0x007B, 0x001E, 0x007E, 0x03EF, 0x07DD, 0x0018,
2789 0x00FA, 0x0002, 0x0000, 0x000A, 0x0008, 0x000B, 0x0003, 0x0012,
2790 0x0033, 0x000C, 0x003C, 0x001A, 0x007F, 0x01F6, 0x07DC, 0x000D,
2791 0x0013, 0x0004, 0x001B, 0x007A, 0x0032, 0x007C, 0x001F, 0x0005
2793 0x0000, 0x0018, 0x0034, 0x000C, 0x006A, 0x01F9, 0x07EA, 0x0016,
2794 0x0FD7, 0x0002, 0x0001, 0x000A, 0x0009, 0x0007, 0x001B, 0x003E,
2795 0x0020, 0x0021, 0x006B, 0x01FB, 0x03F4, 0x1FAD, 0x1FAC, 0x000E,
2796 0x0019, 0x0011, 0x002F, 0x007F, 0x002E, 0x01F8, 0x001E, 0x000D
2798 0x000E, 0x0016, 0x002E, 0x0003, 0x006E, 0x008B, 0x0113, 0x0018,
2799 0x0221, 0x0001, 0x0002, 0x000A, 0x0009, 0x0007, 0x001A, 0x0002,
2800 0x001B, 0x0023, 0x006F, 0x008A, 0x0111, 0x0441, 0x0440, 0x000F,
2801 0x0019, 0x0010, 0x0036, 0x001A, 0x002F, 0x0112, 0x0000, 0x000C
2803 0x000E, 0x000F, 0x001B, 0x0033, 0x005A, 0x00B6, 0x0008, 0x001A,
2804 0x004D, 0x0001, 0x0002, 0x000A, 0x0009, 0x0008, 0x001B, 0x0003,
2805 0x002C, 0x002E, 0x0005, 0x00B7, 0x0027, 0x0099, 0x0098, 0x000F,
2806 0x0018, 0x000E, 0x002F, 0x001A, 0x0032, 0x0012, 0x0000, 0x000C
2809 const VP30_AC_INTRA_BITS: [[u8; 32]; 5] = [
2811 4, 6, 6, 7, 9, 11, 11, 5, 8, 3, 4, 4, 4, 4, 4, 5,
2812 5, 5, 5, 5, 6, 8, 10, 4, 5, 6, 6, 7, 6, 8, 4, 5
2814 4, 5, 7, 6, 8, 11, 12, 5, 9, 3, 3, 4, 4, 4, 4, 5,
2815 6, 5, 6, 6, 8, 10, 12, 4, 5, 5, 6, 7, 6, 8, 5, 5
2817 3, 5, 6, 5, 7, 9, 11, 5, 12, 3, 3, 4, 4, 4, 5, 6,
2818 6, 6, 7, 9, 10, 13, 13, 4, 5, 5, 6, 7, 6, 9, 5, 5
2820 4, 5, 6, 5, 7, 8, 9, 5, 10, 3, 3, 4, 4, 4, 5, 5,
2821 6, 6, 7, 8, 9, 11, 11, 4, 5, 5, 6, 6, 6, 9, 4, 5
2823 4, 5, 6, 6, 7, 8, 7, 5, 10, 3, 3, 4, 4, 4, 5, 5,
2824 6, 6, 6, 8, 9, 11, 11, 4, 5, 5, 6, 6, 6, 8, 4, 5
2827 const VP30_AC_INTER_CODES: [[u16; 32]; 5] = [
2829 0x000D, 0x0038, 0x0061, 0x0060, 0x0393, 0x1C95, 0x1C94, 0x0014,
2830 0x0073, 0x0001, 0x0000, 0x000B, 0x0009, 0x001D, 0x000E, 0x0022,
2831 0x0046, 0x0047, 0x00E5, 0x01C8, 0x0724, 0x1C97, 0x1C96, 0x000F,
2832 0x0006, 0x0019, 0x000F, 0x0031, 0x0004, 0x0010, 0x0005, 0x0015
2834 0x0004, 0x001B, 0x0030, 0x0034, 0x00D5, 0x06B3, 0x3595, 0x0031,
2835 0x001A, 0x0002, 0x0001, 0x001F, 0x001E, 0x000C, 0x001B, 0x00D7,
2836 0x00D4, 0x01AD, 0x0358, 0x0D64, 0x3594, 0x3597, 0x3596, 0x0000,
2837 0x000A, 0x001D, 0x0017, 0x0039, 0x0007, 0x0019, 0x0016, 0x0038
2839 0x0005, 0x0009, 0x001A, 0x001E, 0x001F, 0x00E2, 0x038E, 0x0070,
2840 0x003B, 0x0001, 0x0000, 0x0019, 0x0018, 0x001E, 0x003A, 0x01C6,
2841 0x071E, 0x0E3E, 0x1C7E, 0x71FD, 0x71FC, 0x71FF, 0x71FE, 0x0002,
2842 0x0008, 0x001D, 0x001B, 0x0039, 0x001F, 0x000D, 0x000C, 0x001C
2844 0x0003, 0x000B, 0x001C, 0x000D, 0x0004, 0x000A, 0x0076, 0x00E8,
2845 0x01DC, 0x0001, 0x0000, 0x0033, 0x0032, 0x00E9, 0x03BB, 0x0774,
2846 0x1DD5, 0x3BAD, 0x3BAC, 0x3BAF, 0x3BAE, 0x3BA9, 0x3BA8, 0x0004,
2847 0x000A, 0x001F, 0x001E, 0x0030, 0x000B, 0x0075, 0x0031, 0x00EF
2849 0x0009, 0x001E, 0x000F, 0x000E, 0x000C, 0x0008, 0x0001, 0x00E3,
2850 0x00E2, 0x0002, 0x0000, 0x003A, 0x0039, 0x0070, 0x01DC, 0x0776,
2851 0x0775, 0x0EEF, 0x0EE8, 0x1DD3, 0x1DD2, 0x1DDD, 0x1DDC, 0x0005,
2852 0x001F, 0x001B, 0x0006, 0x006A, 0x0034, 0x0076, 0x006B, 0x00EF
2855 const VP30_AC_INTER_BITS: [[u8; 32]; 5] = [
2857 4, 6, 7, 7, 10, 13, 13, 5, 7, 3, 3, 4, 4, 5, 5, 6,
2858 7, 7, 8, 9, 11, 13, 13, 4, 4, 5, 5, 6, 4, 5, 4, 5
2860 3, 5, 6, 6, 8, 11, 14, 6, 6, 3, 3, 5, 5, 5, 6, 8,
2861 8, 9, 10, 12, 14, 14, 14, 3, 4, 5, 5, 6, 4, 5, 5, 6
2863 3, 4, 5, 5, 6, 8, 10, 7, 7, 3, 3, 5, 5, 6, 7, 9,
2864 11, 12, 13, 15, 15, 15, 15, 3, 4, 5, 5, 6, 5, 5, 5, 6
2866 3, 4, 5, 4, 4, 5, 7, 8, 9, 3, 3, 6, 6, 8, 10, 11,
2867 13, 14, 14, 14, 14, 14, 14, 3, 4, 5, 5, 6, 5, 7, 6, 8
2869 4, 5, 5, 4, 4, 4, 3, 9, 9, 3, 3, 7, 7, 8, 10, 12,
2870 12, 13, 13, 14, 14, 14, 14, 3, 5, 5, 4, 7, 6, 8, 7, 9
2873 const VP30_MBTYPE_CODES: [u8; 7] = [ 0x00, 0x08, 0x0A, 0x03, 0x0B, 0x13, 0x12 ];
2874 const VP30_MBTYPE_BITS: [u8; 7] = [ 1, 4, 4, 2, 4, 5, 5 ];
2875 const VP30_MBTYPE_SYMS: [VPMBType; 7] = [
2876 VPMBType::InterNoMV, VPMBType::Intra, VPMBType::InterMV, VPMBType::InterNearest,
2877 VPMBType::GoldenNoMV, VPMBType::GoldenMV, VPMBType::InterFourMV
2880 const VP40_DC_CODES: [[u32; 32]; 16] = [
2882 0x000C, 0x0070, 0x01CA, 0x01CB, 0x0391, 0x1C9B, 0x3935, 0x0071,
2883 0x3934, 0x000B, 0x000F, 0x0019, 0x0002, 0x0009, 0x0003, 0x001D,
2884 0x0018, 0x0007, 0x000D, 0x0002, 0x0000, 0x000A, 0x0008, 0x001A,
2885 0x0073, 0x006F, 0x0E4C, 0x0727, 0x0392, 0x0390, 0x0036, 0x006E
2887 0x0011, 0x007A, 0x0083, 0x0040, 0x0105, 0x0413, 0x0410, 0x007B,
2888 0x0822, 0x000E, 0x0002, 0x0002, 0x0006, 0x000A, 0x0007, 0x001F,
2889 0x0017, 0x0009, 0x000D, 0x0000, 0x000C, 0x0003, 0x003C, 0x002C,
2890 0x0021, 0x0169, 0x0412, 0x02D0, 0x02D1, 0x0823, 0x005B, 0x00B5
2892 0x0017, 0x0010, 0x00B6, 0x0022, 0x016A, 0x02D0, 0x0B48, 0x0077,
2893 0x1692, 0x0000, 0x0003, 0x0003, 0x0009, 0x000C, 0x0005, 0x0002,
2894 0x001C, 0x0008, 0x000D, 0x000F, 0x000A, 0x0009, 0x0023, 0x003A,
2895 0x002C, 0x016B, 0x05A5, 0x02D3, 0x02D1, 0x1693, 0x0076, 0x00B7
2897 0x001E, 0x0013, 0x00FB, 0x007C, 0x0046, 0x07D6, 0x0FA9, 0x0012,
2898 0x1F50, 0x0001, 0x0004, 0x0005, 0x000A, 0x000E, 0x0007, 0x0000,
2899 0x0017, 0x0006, 0x000D, 0x000C, 0x0001, 0x002C, 0x008F, 0x003F,
2900 0x002D, 0x01F4, 0x07D5, 0x008E, 0x07D7, 0x1F51, 0x0010, 0x0022
2902 0x0001, 0x002B, 0x0012, 0x0055, 0x0027, 0x03B0, 0x0762, 0x0077,
2903 0x0261, 0x0002, 0x0006, 0x0007, 0x000B, 0x000F, 0x0008, 0x0000,
2904 0x001C, 0x0003, 0x0009, 0x0006, 0x0014, 0x0054, 0x0131, 0x0005,
2905 0x003A, 0x01D9, 0x0099, 0x004D, 0x0763, 0x0260, 0x0008, 0x00ED
2907 0x0004, 0x0033, 0x0060, 0x0065, 0x00C2, 0x030D, 0x0619, 0x0064,
2908 0x1862, 0x0004, 0x0007, 0x000A, 0x000B, 0x000D, 0x0006, 0x0000,
2909 0x000F, 0x0003, 0x0005, 0x0002, 0x0002, 0x0077, 0x0C30, 0x0003,
2910 0x0031, 0x0187, 0x01D9, 0x00ED, 0x01D8, 0x1863, 0x001C, 0x003A
2912 0x0008, 0x000A, 0x006A, 0x0016, 0x001E, 0x034E, 0x069F, 0x0068,
2913 0x0D28, 0x0005, 0x0007, 0x0007, 0x000C, 0x0000, 0x0006, 0x001B,
2914 0x0012, 0x0002, 0x0004, 0x0013, 0x000E, 0x034B, 0x1A53, 0x0006,
2915 0x0017, 0x01A6, 0x069E, 0x01A4, 0x0695, 0x1A52, 0x006B, 0x001F
2917 0x000E, 0x000F, 0x0017, 0x0025, 0x009F, 0x0138, 0x024B, 0x0093,
2918 0x092A, 0x0005, 0x0000, 0x0008, 0x000D, 0x000F, 0x0006, 0x0004,
2919 0x000E, 0x0019, 0x0018, 0x000A, 0x009E, 0x0494, 0x1256, 0x0026,
2920 0x0016, 0x0124, 0x04E5, 0x0273, 0x04E4, 0x1257, 0x0048, 0x009D
2922 0x0004, 0x002C, 0x0050, 0x001E, 0x0071, 0x00E1, 0x00E0, 0x001D,
2923 0x0006, 0x0007, 0x0006, 0x0007, 0x0005, 0x0006, 0x0015, 0x0000,
2924 0x0029, 0x0002, 0x0006, 0x0001, 0x0023, 0x001F, 0x0039, 0x0009,
2925 0x0002, 0x0010, 0x0007, 0x002D, 0x002F, 0x002E, 0x0022, 0x0051
2927 0x0008, 0x002F, 0x0051, 0x0050, 0x02ED, 0x05D9, 0x05D8, 0x00BA,
2928 0x005C, 0x0007, 0x0006, 0x0009, 0x0006, 0x0007, 0x0016, 0x0005,
2929 0x002B, 0x0006, 0x000A, 0x0001, 0x000F, 0x001D, 0x0177, 0x0004,
2930 0x0001, 0x0004, 0x0001, 0x002A, 0x000B, 0x0029, 0x0000, 0x001C
2932 0x000A, 0x003C, 0x0074, 0x004E, 0x026D, 0x04D9, 0x04D8, 0x009A,
2933 0x004C, 0x0000, 0x0006, 0x0008, 0x0007, 0x0006, 0x0016, 0x0008,
2934 0x002E, 0x000A, 0x000B, 0x003D, 0x0024, 0x00EB, 0x0137, 0x001F,
2935 0x001C, 0x003B, 0x0012, 0x0025, 0x002F, 0x0013, 0x004F, 0x00EA
2937 0x000A, 0x000A, 0x0003, 0x0016, 0x0009, 0x0021, 0x0020, 0x00B3,
2938 0x0058, 0x0007, 0x0006, 0x0007, 0x0006, 0x0004, 0x0013, 0x0002,
2939 0x0025, 0x0000, 0x0003, 0x002D, 0x005D, 0x00B2, 0x0011, 0x0008,
2940 0x0002, 0x0006, 0x0017, 0x002F, 0x0007, 0x0024, 0x005C, 0x0005
2942 0x000B, 0x0013, 0x001F, 0x0031, 0x0021, 0x0295, 0x0528, 0x00A4,
2943 0x003C, 0x0000, 0x0007, 0x0006, 0x0005, 0x001B, 0x0012, 0x0032,
2944 0x001D, 0x002B, 0x0030, 0x001C, 0x003D, 0x014B, 0x0529, 0x0008,
2945 0x001A, 0x0033, 0x0011, 0x002A, 0x0009, 0x0028, 0x0053, 0x0020
2947 0x000E, 0x0015, 0x0029, 0x003F, 0x004D, 0x02F1, 0x05E0, 0x0092,
2948 0x0048, 0x0000, 0x0006, 0x0006, 0x0005, 0x0004, 0x000F, 0x002E,
2949 0x001D, 0x0028, 0x0027, 0x005F, 0x00BD, 0x0179, 0x05E1, 0x0008,
2950 0x001E, 0x002D, 0x001C, 0x002C, 0x003E, 0x0025, 0x004C, 0x0093
2952 0x000C, 0x0017, 0x0035, 0x0013, 0x0021, 0x00AD, 0x06F1, 0x01BD,
2953 0x00D9, 0x0000, 0x0007, 0x0007, 0x0006, 0x0004, 0x0011, 0x002A,
2954 0x006E, 0x0025, 0x0024, 0x0057, 0x00D8, 0x0379, 0x06F0, 0x0005,
2955 0x0016, 0x0029, 0x006D, 0x0028, 0x0034, 0x0020, 0x00DF, 0x00AC
2957 0x0000, 0x001A, 0x0006, 0x0019, 0x0030, 0x005A, 0x018A, 0x02DD,
2958 0x018B, 0x0001, 0x0007, 0x000A, 0x0009, 0x0002, 0x0010, 0x002E,
2959 0x006E, 0x002C, 0x000E, 0x005E, 0x00C4, 0x05B9, 0x05B8, 0x0011,
2960 0x0036, 0x005F, 0x001E, 0x0063, 0x006F, 0x001F, 0x00B6, 0x016F
2963 const VP40_DC_BITS: [[u8; 32]; 16] = [
2965 5, 7, 9, 9, 10, 13, 14, 7, 14, 4, 4, 5, 4, 4, 4, 5,
2966 5, 4, 4, 3, 3, 4, 4, 6, 7, 8, 12, 11, 10, 10, 7, 8
2968 5, 7, 8, 7, 9, 11, 11, 7, 12, 4, 3, 4, 4, 4, 4, 5,
2969 5, 4, 4, 3, 4, 4, 6, 6, 6, 9, 11, 10, 10, 12, 7, 8
2971 5, 6, 8, 7, 9, 10, 12, 7, 13, 3, 3, 4, 4, 4, 4, 4,
2972 5, 4, 4, 4, 4, 5, 7, 6, 6, 9, 11, 10, 10, 13, 7, 8
2974 5, 6, 8, 7, 8, 11, 12, 6, 13, 3, 3, 4, 4, 4, 4, 4,
2975 5, 4, 4, 4, 4, 6, 9, 6, 6, 9, 11, 9, 11, 13, 6, 7
2977 4, 6, 7, 7, 8, 10, 11, 7, 12, 3, 3, 4, 4, 4, 4, 4,
2978 5, 4, 4, 4, 5, 7, 11, 5, 6, 9, 10, 9, 11, 12, 6, 8
2980 4, 6, 7, 7, 8, 10, 11, 7, 13, 3, 3, 4, 4, 4, 4, 4,
2981 5, 4, 4, 4, 5, 8, 12, 5, 6, 9, 10, 9, 10, 13, 6, 7
2983 4, 5, 7, 6, 7, 10, 11, 7, 12, 3, 3, 4, 4, 3, 4, 5,
2984 5, 4, 4, 5, 6, 10, 13, 5, 6, 9, 11, 9, 11, 13, 7, 7
2986 4, 5, 6, 6, 8, 9, 10, 8, 12, 3, 2, 4, 4, 4, 4, 4,
2987 5, 5, 5, 5, 8, 11, 13, 6, 6, 9, 11, 10, 11, 13, 7, 8
2989 4, 6, 7, 7, 9, 10, 10, 7, 6, 3, 3, 4, 4, 4, 5, 5,
2990 6, 5, 5, 5, 6, 7, 8, 4, 4, 5, 6, 6, 6, 6, 6, 7
2992 4, 6, 7, 7, 10, 11, 11, 8, 7, 3, 3, 4, 4, 4, 5, 5,
2993 6, 5, 5, 5, 6, 7, 9, 4, 4, 5, 6, 6, 5, 6, 6, 7
2995 4, 6, 7, 7, 10, 11, 11, 8, 7, 2, 3, 4, 4, 4, 5, 5,
2996 6, 5, 5, 6, 6, 8, 9, 5, 5, 6, 6, 6, 6, 6, 7, 8
2998 4, 5, 6, 6, 8, 10, 10, 8, 7, 3, 3, 4, 4, 4, 5, 5,
2999 6, 5, 5, 6, 7, 8, 9, 4, 4, 5, 6, 6, 5, 6, 7, 7
3001 4, 5, 6, 6, 7, 10, 11, 8, 7, 2, 3, 4, 4, 5, 5, 6,
3002 6, 6, 6, 6, 7, 9, 11, 4, 5, 6, 6, 6, 5, 6, 7, 7
3004 4, 5, 6, 6, 7, 10, 11, 8, 7, 2, 3, 4, 4, 4, 5, 6,
3005 6, 6, 6, 7, 8, 9, 11, 4, 5, 6, 6, 6, 6, 6, 7, 8
3007 4, 5, 6, 5, 6, 8, 11, 9, 8, 2, 3, 4, 4, 4, 5, 6,
3008 7, 6, 6, 7, 8, 10, 11, 4, 5, 6, 7, 6, 6, 6, 8, 8
3010 3, 5, 5, 5, 6, 7, 9, 10, 9, 2, 3, 4, 4, 4, 5, 6,
3011 7, 6, 6, 7, 8, 11, 11, 5, 6, 7, 7, 7, 7, 7, 8, 9
3014 const VP40_AC_CAT0_CODES: [[u32; 32]; 16] = [
3016 0x0006, 0x001E, 0x01CC, 0x01CE, 0x0734, 0x1CD5, 0x1CD4, 0x0018,
3017 0x0E6B, 0x0000, 0x000F, 0x0006, 0x0007, 0x000D, 0x0008, 0x0002,
3018 0x0019, 0x0005, 0x000B, 0x000A, 0x001D, 0x0027, 0x01CF, 0x0004,
3019 0x0038, 0x000E, 0x004C, 0x001F, 0x004D, 0x039B, 0x0012, 0x0072
3021 0x0009, 0x004B, 0x0090, 0x0091, 0x0745, 0x1D11, 0x1D10, 0x0019,
3022 0x0E89, 0x0000, 0x000F, 0x0008, 0x0007, 0x000D, 0x000B, 0x0002,
3023 0x001C, 0x0003, 0x000A, 0x0005, 0x0018, 0x0010, 0x01D0, 0x0006,
3024 0x003B, 0x0011, 0x004A, 0x0049, 0x00E9, 0x03A3, 0x0013, 0x0075
3026 0x0019, 0x0074, 0x001D, 0x00EA, 0x0073, 0x01CA, 0x0396, 0x001C,
3027 0x00E4, 0x0002, 0x0001, 0x0007, 0x0008, 0x000D, 0x0009, 0x001F,
3028 0x0018, 0x0000, 0x0006, 0x001E, 0x003B, 0x00EB, 0x0397, 0x000A,
3029 0x0002, 0x002C, 0x005B, 0x005A, 0x000F, 0x0038, 0x0017, 0x0006
3031 0x001E, 0x006F, 0x00AE, 0x00AF, 0x0187, 0x061B, 0x0C35, 0x001A,
3032 0x030C, 0x0002, 0x0001, 0x0007, 0x0008, 0x000E, 0x0009, 0x001F,
3033 0x0014, 0x0000, 0x0001, 0x0019, 0x002A, 0x0060, 0x0C34, 0x000B,
3034 0x000D, 0x0036, 0x006E, 0x0056, 0x0031, 0x00C2, 0x0018, 0x0019
3036 0x0001, 0x002C, 0x0005, 0x0015, 0x0008, 0x0097, 0x012D, 0x0017,
3037 0x004A, 0x0003, 0x0002, 0x0009, 0x000A, 0x000E, 0x0008, 0x001F,
3038 0x0007, 0x001E, 0x001B, 0x0004, 0x005A, 0x0024, 0x012C, 0x000C,
3039 0x0006, 0x0000, 0x0003, 0x005B, 0x0014, 0x0013, 0x001A, 0x000B
3041 0x0004, 0x0000, 0x0017, 0x0063, 0x018B, 0x0310, 0x0C44, 0x0019,
3042 0x0623, 0x0004, 0x0003, 0x000A, 0x000B, 0x000D, 0x0003, 0x001C,
3043 0x0003, 0x000A, 0x0004, 0x0003, 0x018A, 0x188B, 0x188A, 0x000F,
3044 0x000B, 0x0002, 0x000A, 0x0002, 0x0016, 0x0189, 0x001D, 0x0030
3046 0x000D, 0x0003, 0x0077, 0x000D, 0x0082, 0x020D, 0x0830, 0x0019,
3047 0x0419, 0x0003, 0x0002, 0x000A, 0x0009, 0x000B, 0x0002, 0x0011,
3048 0x0039, 0x0002, 0x0021, 0x0040, 0x1063, 0x20C5, 0x20C4, 0x000F,
3049 0x0018, 0x0007, 0x0038, 0x000C, 0x0076, 0x0107, 0x0000, 0x003A
3051 0x000F, 0x001C, 0x0036, 0x0008, 0x0061, 0x0091, 0x0243, 0x0009,
3052 0x0120, 0x0005, 0x0003, 0x0008, 0x0005, 0x0001, 0x0013, 0x0031,
3053 0x0076, 0x0060, 0x0093, 0x0909, 0x0908, 0x090B, 0x090A, 0x0001,
3054 0x001A, 0x0019, 0x003A, 0x0025, 0x0077, 0x0092, 0x0000, 0x0037
3056 0x001F, 0x0079, 0x00F1, 0x00F0, 0x011B, 0x0469, 0x0468, 0x003B,
3057 0x0022, 0x0005, 0x0004, 0x0007, 0x0005, 0x0006, 0x001C, 0x0001,
3058 0x0035, 0x003D, 0x003A, 0x0010, 0x0047, 0x008C, 0x0235, 0x0001,
3059 0x0001, 0x0019, 0x0000, 0x0030, 0x0009, 0x0031, 0x001B, 0x0034
3061 0x0003, 0x001B, 0x00F3, 0x00FD, 0x03C9, 0x0F20, 0x1E42, 0x003D,
3062 0x00FC, 0x0006, 0x0004, 0x0002, 0x0000, 0x0001, 0x0017, 0x003E,
3063 0x001A, 0x0039, 0x002B, 0x0078, 0x01E5, 0x0791, 0x1E43, 0x0002,
3064 0x0007, 0x001D, 0x000C, 0x0038, 0x0014, 0x007F, 0x0016, 0x002A
3066 0x0007, 0x0039, 0x0051, 0x0078, 0x03CB, 0x0F29, 0x1E51, 0x003D,
3067 0x00F3, 0x0006, 0x0004, 0x0002, 0x0000, 0x0001, 0x0017, 0x003E,
3068 0x007F, 0x002B, 0x007E, 0x0050, 0x01E4, 0x0795, 0x1E50, 0x0002,
3069 0x0006, 0x001D, 0x0006, 0x0038, 0x0007, 0x0029, 0x0016, 0x002A
3071 0x0008, 0x003B, 0x001D, 0x0072, 0x01CC, 0x0734, 0x1CD5, 0x003A,
3072 0x001C, 0x0006, 0x0005, 0x0002, 0x0001, 0x0000, 0x0012, 0x003E,
3073 0x007F, 0x001E, 0x007E, 0x00E7, 0x039B, 0x0E6B, 0x1CD4, 0x0002,
3074 0x0006, 0x001E, 0x000E, 0x0038, 0x0006, 0x000F, 0x0013, 0x001F
3076 0x000D, 0x003F, 0x0073, 0x000C, 0x00E4, 0x072B, 0x0E54, 0x003A,
3077 0x001A, 0x0005, 0x0004, 0x0002, 0x0001, 0x0000, 0x0007, 0x0038,
3078 0x0076, 0x0077, 0x001B, 0x01CB, 0x0394, 0x1CAB, 0x1CAA, 0x0002,
3079 0x0006, 0x001E, 0x000E, 0x003E, 0x0019, 0x001F, 0x0018, 0x001E
3081 0x000E, 0x0007, 0x000C, 0x001C, 0x00BD, 0x02F3, 0x0BC9, 0x001F,
3082 0x00BF, 0x0006, 0x0004, 0x0002, 0x0001, 0x001E, 0x0001, 0x000D,
3083 0x003A, 0x003B, 0x00BE, 0x0178, 0x05E5, 0x1791, 0x1790, 0x0002,
3084 0x0006, 0x001F, 0x0016, 0x0000, 0x0015, 0x002E, 0x0014, 0x001E
3086 0x0000, 0x001B, 0x0031, 0x003A, 0x0060, 0x006F, 0x01B9, 0x000E,
3087 0x001A, 0x0005, 0x0003, 0x0002, 0x001F, 0x001A, 0x0039, 0x000C,
3088 0x00C3, 0x00C2, 0x0036, 0x00DD, 0x0370, 0x06E3, 0x06E2, 0x0002,
3089 0x0008, 0x001E, 0x0019, 0x003B, 0x0012, 0x000F, 0x0013, 0x0038
3091 0x0002, 0x0000, 0x0003, 0x001C, 0x0032, 0x001C, 0x0199, 0x0004,
3092 0x00CD, 0x0004, 0x0003, 0x001B, 0x001A, 0x003D, 0x0067, 0x003B,
3093 0x0198, 0x0075, 0x00E9, 0x03A1, 0x03A0, 0x03A3, 0x03A2, 0x0005,
3094 0x0002, 0x001F, 0x001D, 0x003C, 0x0018, 0x000F, 0x0006, 0x0005
3097 const VP40_AC_CAT0_BITS: [[u8; 32]; 16] = [
3099 5, 7, 9, 9, 11, 13, 13, 5, 12, 3, 4, 4, 4, 4, 4, 4,
3100 5, 4, 4, 4, 5, 6, 9, 4, 6, 6, 7, 7, 7, 10, 5, 7
3102 5, 7, 8, 8, 11, 13, 13, 5, 12, 3, 4, 4, 4, 4, 4, 4,
3103 5, 4, 4, 4, 5, 6, 9, 4, 6, 6, 7, 7, 8, 10, 5, 7
3105 5, 7, 8, 8, 10, 12, 13, 5, 11, 3, 3, 4, 4, 4, 4, 5,
3106 5, 4, 4, 5, 6, 8, 13, 4, 5, 6, 7, 7, 7, 9, 5, 6
3108 5, 7, 8, 8, 10, 12, 13, 5, 11, 3, 3, 4, 4, 4, 4, 5,
3109 5, 4, 4, 5, 6, 8, 13, 4, 5, 6, 7, 7, 7, 9, 5, 6
3111 4, 6, 7, 7, 8, 12, 13, 5, 11, 3, 3, 4, 4, 4, 4, 5,
3112 5, 5, 5, 5, 7, 10, 13, 4, 5, 5, 6, 7, 7, 9, 5, 6
3114 4, 5, 7, 7, 9, 10, 12, 5, 11, 3, 3, 4, 4, 4, 4, 5,
3115 5, 5, 5, 6, 9, 13, 13, 4, 5, 5, 6, 6, 7, 9, 5, 6
3117 4, 5, 7, 6, 8, 10, 12, 5, 11, 3, 3, 4, 4, 4, 4, 5,
3118 6, 5, 6, 7, 13, 14, 14, 4, 5, 5, 6, 6, 7, 9, 4, 6
3120 4, 5, 6, 5, 7, 8, 10, 5, 9, 3, 3, 4, 4, 4, 5, 6,
3121 7, 7, 8, 12, 12, 12, 12, 3, 5, 5, 6, 6, 7, 8, 4, 6
3123 5, 7, 8, 8, 10, 12, 12, 6, 7, 3, 3, 4, 4, 4, 5, 5,
3124 6, 6, 6, 6, 8, 9, 11, 3, 4, 5, 5, 6, 5, 6, 5, 6
3126 4, 6, 8, 8, 10, 12, 13, 6, 8, 3, 3, 4, 4, 4, 5, 6,
3127 6, 6, 6, 7, 9, 11, 13, 3, 4, 5, 5, 6, 5, 7, 5, 6
3129 4, 6, 7, 7, 10, 12, 13, 6, 8, 3, 3, 4, 4, 4, 5, 6,
3130 7, 6, 7, 7, 9, 11, 13, 3, 4, 5, 5, 6, 5, 6, 5, 6
3132 4, 6, 7, 7, 9, 11, 13, 6, 7, 3, 3, 4, 4, 4, 5, 6,
3133 7, 6, 7, 8, 10, 12, 13, 3, 4, 5, 5, 6, 5, 6, 5, 6
3135 4, 6, 7, 6, 8, 11, 12, 6, 7, 3, 3, 4, 4, 4, 5, 6,
3136 7, 7, 7, 9, 10, 13, 13, 3, 4, 5, 5, 6, 5, 6, 5, 6
3138 4, 5, 6, 6, 8, 10, 12, 6, 8, 3, 3, 4, 4, 5, 5, 6,
3139 7, 7, 8, 9, 11, 13, 13, 3, 4, 5, 5, 5, 5, 6, 5, 6
3141 3, 5, 6, 6, 7, 9, 11, 6, 7, 3, 3, 4, 5, 5, 6, 6,
3142 8, 8, 8, 10, 12, 13, 13, 3, 4, 5, 5, 6, 5, 6, 5, 6
3144 3, 4, 5, 5, 6, 7, 9, 6, 8, 3, 3, 5, 5, 6, 7, 8,
3145 9, 9, 10, 12, 12, 12, 12, 3, 4, 5, 5, 6, 5, 6, 5, 6
3148 const VP40_AC_CAT1_CODES: [[u32; 32]; 16] = [
3150 0x0004, 0x00F5, 0x0182, 0x060F, 0x1839, 0x1838, 0x183B, 0x0013,
3151 0x00C0, 0x0003, 0x0002, 0x000B, 0x000A, 0x000E, 0x0008, 0x0001,
3152 0x0012, 0x001F, 0x0000, 0x0006, 0x007B, 0x0306, 0x183A, 0x000D,
3153 0x0007, 0x0031, 0x000A, 0x0061, 0x003C, 0x00F4, 0x0019, 0x000B
3155 0x000A, 0x001A, 0x01D8, 0x03B3, 0x0ECA, 0x1D96, 0x3B2F, 0x0014,
3156 0x0036, 0x0004, 0x0003, 0x000C, 0x000B, 0x0000, 0x0004, 0x001C,
3157 0x0005, 0x0015, 0x0007, 0x0017, 0x0037, 0x0764, 0x3B2E, 0x000F,
3158 0x001A, 0x003A, 0x000C, 0x0077, 0x0004, 0x00ED, 0x001B, 0x0016
3160 0x001A, 0x002D, 0x0058, 0x01F4, 0x07D4, 0x1F55, 0x1F54, 0x0014,
3161 0x0059, 0x0004, 0x0003, 0x000B, 0x000C, 0x000E, 0x0004, 0x0015,
3162 0x0005, 0x0007, 0x0004, 0x007C, 0x03EB, 0x1F57, 0x1F56, 0x0000,
3163 0x001B, 0x003F, 0x000D, 0x000C, 0x000A, 0x00FB, 0x001E, 0x0017
3165 0x0000, 0x0075, 0x004A, 0x0097, 0x025B, 0x0969, 0x0968, 0x000B,
3166 0x00E8, 0x0005, 0x0004, 0x0007, 0x000C, 0x000D, 0x0001, 0x000A,
3167 0x0039, 0x003B, 0x0018, 0x00E9, 0x012C, 0x096B, 0x096A, 0x0001,
3168 0x001F, 0x0008, 0x0019, 0x0013, 0x000D, 0x0024, 0x001E, 0x0038
3170 0x0004, 0x0014, 0x006E, 0x0057, 0x0159, 0x0562, 0x0AC7, 0x000B,
3171 0x006F, 0x0006, 0x0005, 0x0008, 0x0009, 0x0007, 0x001E, 0x0002,
3172 0x0007, 0x0006, 0x002A, 0x00AD, 0x0AC6, 0x0561, 0x0560, 0x0001,
3173 0x001F, 0x000C, 0x0039, 0x001A, 0x0000, 0x0036, 0x001D, 0x0038
3175 0x0007, 0x001B, 0x000E, 0x000D, 0x03E1, 0x1F06, 0x3E0F, 0x0002,
3176 0x00F9, 0x0005, 0x0006, 0x0008, 0x0009, 0x0004, 0x000C, 0x001A,
3177 0x000F, 0x000C, 0x01F1, 0x07C0, 0x3E0E, 0x1F05, 0x1F04, 0x0001,
3178 0x0000, 0x001C, 0x003F, 0x003D, 0x0005, 0x007D, 0x001D, 0x003C
3180 0x000F, 0x000A, 0x0071, 0x0006, 0x01C2, 0x0702, 0x1C0E, 0x0002,
3181 0x000E, 0x0005, 0x0004, 0x0006, 0x0007, 0x001D, 0x0017, 0x000F,
3182 0x01C3, 0x01C1, 0x0380, 0x381F, 0x381E, 0x1C0D, 0x1C0C, 0x0001,
3183 0x0004, 0x0018, 0x0001, 0x0000, 0x000D, 0x0016, 0x0019, 0x0039
3185 0x0002, 0x001E, 0x003B, 0x000D, 0x0061, 0x01FA, 0x1FB5, 0x0031,
3186 0x00FC, 0x0004, 0x0005, 0x0001, 0x0007, 0x003A, 0x0060, 0x03F7,
3187 0x07EC, 0x1FB7, 0x3F6C, 0x7EDB, 0x7EDA, 0x3F69, 0x3F68, 0x0001,
3188 0x0000, 0x0019, 0x003E, 0x0039, 0x000D, 0x0038, 0x000C, 0x007F
3190 0x001E, 0x0070, 0x0127, 0x0126, 0x0492, 0x124D, 0x124C, 0x0001,
3191 0x007F, 0x0006, 0x0005, 0x0005, 0x0004, 0x0001, 0x0007, 0x0025,
3192 0x0071, 0x007E, 0x0048, 0x0125, 0x0248, 0x124F, 0x124E, 0x0003,
3193 0x0008, 0x001D, 0x0006, 0x003E, 0x0002, 0x0000, 0x0013, 0x0039
3195 0x0001, 0x0001, 0x00E7, 0x0091, 0x0240, 0x120D, 0x120C, 0x003C,
3196 0x0000, 0x0006, 0x0005, 0x0005, 0x0004, 0x001F, 0x0004, 0x0025,
3197 0x0072, 0x0049, 0x00E6, 0x0121, 0x0482, 0x120F, 0x120E, 0x0003,
3198 0x0008, 0x001D, 0x0005, 0x003D, 0x0003, 0x0001, 0x0013, 0x0038
3200 0x0004, 0x000F, 0x00F4, 0x005B, 0x02D3, 0x0B4A, 0x1697, 0x003C,
3201 0x000E, 0x0006, 0x0005, 0x0002, 0x0001, 0x001D, 0x0000, 0x007B,
3202 0x002C, 0x00F5, 0x00B5, 0x0168, 0x1696, 0x0B49, 0x0B48, 0x0003,
3203 0x0009, 0x001F, 0x000A, 0x0001, 0x0008, 0x0006, 0x001C, 0x0017
3205 0x0008, 0x0039, 0x001A, 0x0003, 0x00DB, 0x06D6, 0x0DAF, 0x003C,
3206 0x000C, 0x0006, 0x0005, 0x0002, 0x0001, 0x001D, 0x003D, 0x0000,
3207 0x0002, 0x0037, 0x006C, 0x01B4, 0x0DAE, 0x06D5, 0x06D4, 0x0002,
3208 0x0007, 0x001F, 0x0007, 0x0001, 0x0009, 0x000D, 0x000C, 0x0038
3210 0x000F, 0x0004, 0x002F, 0x002E, 0x0054, 0x0555, 0x0554, 0x0016,
3211 0x000E, 0x0006, 0x0005, 0x0001, 0x0000, 0x0009, 0x000B, 0x0014,
3212 0x0057, 0x0056, 0x00AB, 0x0557, 0x0556, 0x02A9, 0x02A8, 0x0003,
3213 0x0008, 0x0013, 0x000A, 0x0008, 0x000E, 0x0012, 0x0006, 0x000F
3215 0x0001, 0x000E, 0x0006, 0x0004, 0x00DA, 0x0DBE, 0x1B7E, 0x0007,
3216 0x001A, 0x0005, 0x0004, 0x001C, 0x001B, 0x003A, 0x0037, 0x006C,
3217 0x01B6, 0x036E, 0x0DBD, 0x36FF, 0x36FE, 0x1B79, 0x1B78, 0x0002,
3218 0x000C, 0x0000, 0x000F, 0x000C, 0x000F, 0x001A, 0x003B, 0x0005
3220 0x0005, 0x001E, 0x003A, 0x003E, 0x00FC, 0x0FD7, 0x3F55, 0x0077,
3221 0x0030, 0x0003, 0x0004, 0x001A, 0x0019, 0x007F, 0x01FB, 0x03F4,
3222 0x0FD6, 0x1FA9, 0x3F54, 0x3F57, 0x3F56, 0x3F51, 0x3F50, 0x0001,
3223 0x0004, 0x001C, 0x000B, 0x000A, 0x0000, 0x001B, 0x0031, 0x0076
3225 0x0005, 0x000C, 0x001B, 0x0008, 0x0038, 0x0015, 0x00A3, 0x00E6,
3226 0x0004, 0x0001, 0x0002, 0x0012, 0x0003, 0x000B, 0x0029, 0x00A0,
3227 0x0142, 0x0287, 0x0286, 0x0289, 0x0288, 0x028B, 0x028A, 0x000F,
3228 0x001D, 0x0013, 0x0001, 0x0000, 0x0003, 0x001A, 0x0072, 0x00E7
3231 const VP40_AC_CAT1_BITS: [[u8; 32]; 16] = [
3233 5, 8, 9, 11, 13, 13, 13, 5, 8, 3, 3, 4, 4, 4, 4, 4,
3234 5, 5, 4, 5, 7, 10, 13, 4, 5, 6, 6, 7, 6, 8, 5, 6
3236 5, 7, 9, 10, 12, 13, 14, 5, 8, 3, 3, 4, 4, 3, 4, 5,
3237 5, 5, 5, 6, 8, 11, 14, 4, 5, 6, 6, 7, 5, 8, 5, 6
3239 5, 7, 8, 9, 11, 13, 13, 5, 8, 3, 3, 4, 4, 4, 4, 5,
3240 5, 5, 5, 7, 10, 13, 13, 3, 5, 6, 6, 6, 5, 8, 5, 6
3242 4, 7, 8, 9, 11, 13, 13, 5, 8, 3, 3, 4, 4, 4, 4, 5,
3243 6, 6, 6, 8, 10, 13, 13, 3, 5, 5, 6, 6, 5, 7, 5, 6
3245 4, 6, 8, 8, 10, 12, 13, 5, 8, 3, 3, 4, 4, 4, 5, 5,
3246 6, 6, 7, 9, 13, 12, 12, 3, 5, 5, 6, 6, 4, 7, 5, 6
3248 4, 6, 7, 7, 10, 13, 14, 5, 8, 3, 3, 4, 4, 4, 5, 6,
3249 7, 7, 9, 11, 14, 13, 13, 3, 4, 5, 6, 6, 4, 7, 5, 6
3251 4, 5, 7, 6, 9, 11, 13, 5, 7, 3, 3, 4, 4, 5, 6, 7,
3252 9, 9, 10, 14, 14, 13, 13, 3, 4, 5, 5, 5, 4, 6, 5, 6
3254 3, 5, 6, 5, 7, 9, 13, 6, 8, 3, 3, 4, 4, 6, 7, 10,
3255 11, 13, 14, 15, 15, 14, 14, 3, 4, 5, 6, 6, 4, 6, 5, 7
3257 5, 7, 9, 9, 11, 13, 13, 5, 7, 3, 3, 4, 4, 4, 5, 6,
3258 7, 7, 7, 9, 10, 13, 13, 3, 4, 5, 5, 6, 4, 5, 5, 6
3260 4, 6, 8, 8, 10, 13, 13, 6, 6, 3, 3, 4, 4, 5, 5, 6,
3261 7, 7, 8, 9, 11, 13, 13, 3, 4, 5, 5, 6, 4, 5, 5, 6
3263 4, 6, 8, 8, 11, 13, 14, 6, 6, 3, 3, 4, 4, 5, 5, 7,
3264 7, 8, 9, 10, 14, 13, 13, 3, 4, 5, 5, 5, 4, 5, 5, 6
3266 4, 6, 7, 7, 10, 13, 14, 6, 6, 3, 3, 4, 4, 5, 6, 6,
3267 7, 8, 9, 11, 14, 13, 13, 3, 4, 5, 5, 5, 4, 5, 5, 6
3269 4, 5, 7, 7, 9, 13, 13, 6, 6, 3, 3, 4, 4, 5, 6, 7,
3270 9, 9, 10, 13, 13, 12, 12, 3, 4, 5, 5, 5, 4, 5, 5, 6
3272 3, 5, 6, 6, 9, 13, 14, 6, 6, 3, 3, 5, 5, 6, 7, 8,
3273 10, 11, 13, 15, 15, 14, 14, 3, 4, 4, 5, 5, 4, 5, 6, 6
3275 3, 5, 6, 6, 8, 12, 14, 7, 6, 3, 3, 5, 5, 7, 9, 10,
3276 12, 13, 14, 14, 14, 14, 14, 3, 4, 5, 5, 5, 3, 5, 6, 7
3278 3, 4, 5, 4, 6, 8, 11, 8, 6, 3, 3, 5, 5, 7, 9, 11,
3279 12, 13, 13, 13, 13, 13, 13, 4, 5, 5, 5, 5, 3, 5, 7, 8
3282 const VP40_AC_CAT2_CODES: [[u32; 32]; 16] = [
3284 0x0009, 0x0015, 0x0028, 0x0052, 0x029A, 0x0537, 0x0536, 0x000A,
3285 0x0054, 0x0004, 0x0003, 0x000C, 0x000B, 0x000D, 0x0003, 0x0014,
3286 0x003A, 0x0004, 0x0038, 0x0055, 0x00A7, 0x0299, 0x0298, 0x0000,
3287 0x001E, 0x0008, 0x002B, 0x000B, 0x000B, 0x003B, 0x001F, 0x0039
3289 0x001D, 0x002F, 0x0002, 0x0007, 0x0019, 0x0035, 0x0034, 0x0009,
3290 0x002E, 0x0006, 0x0005, 0x0009, 0x0008, 0x0007, 0x001F, 0x0008,
3291 0x0018, 0x0019, 0x0001, 0x0000, 0x0018, 0x0037, 0x0036, 0x0001,
3292 0x0001, 0x000A, 0x0039, 0x0016, 0x000D, 0x0001, 0x001E, 0x0038
3294 0x0001, 0x0071, 0x00E0, 0x01C3, 0x0708, 0x1C26, 0x384F, 0x0001,
3295 0x0031, 0x0006, 0x0005, 0x0009, 0x0008, 0x0005, 0x000F, 0x0039,
3296 0x0077, 0x0076, 0x0030, 0x0385, 0x384E, 0x1C25, 0x1C24, 0x0001,
3297 0x0004, 0x000D, 0x0000, 0x0019, 0x001F, 0x000E, 0x001E, 0x003A
3299 0x0006, 0x000C, 0x00D6, 0x007B, 0x01E8, 0x07A4, 0x0F4B, 0x0036,
3300 0x006A, 0x0007, 0x0005, 0x0008, 0x0009, 0x0001, 0x0007, 0x000D,
3301 0x003C, 0x00D7, 0x00F5, 0x07A7, 0x0F4A, 0x0F4D, 0x0F4C, 0x0002,
3302 0x0002, 0x000E, 0x0037, 0x0034, 0x0000, 0x0019, 0x0018, 0x001F
3304 0x000A, 0x0027, 0x00BF, 0x00BE, 0x0224, 0x225D, 0x225C, 0x0026,
3305 0x005E, 0x0007, 0x0006, 0x0006, 0x0007, 0x0016, 0x002E, 0x0045,
3306 0x0088, 0x0113, 0x044A, 0x225F, 0x225E, 0x112D, 0x112C, 0x0002,
3307 0x0002, 0x0012, 0x0003, 0x0002, 0x0003, 0x0000, 0x0010, 0x0023
3309 0x000F, 0x0006, 0x0075, 0x0074, 0x000A, 0x00BF, 0x00B9, 0x0022,
3310 0x0003, 0x0005, 0x0006, 0x0001, 0x0002, 0x0007, 0x0000, 0x0004,
3311 0x0016, 0x005E, 0x00B8, 0x00BB, 0x00BA, 0x017D, 0x017C, 0x0002,
3312 0x0006, 0x001C, 0x0010, 0x003B, 0x0009, 0x0007, 0x0001, 0x0023
3314 0x0001, 0x001C, 0x0036, 0x003B, 0x00EA, 0x075B, 0x1D65, 0x0019,
3315 0x0074, 0x0004, 0x0005, 0x0000, 0x0001, 0x0037, 0x01D7, 0x075A,
3316 0x1D64, 0x1D67, 0x1D66, 0x1D61, 0x1D60, 0x1D63, 0x1D62, 0x0002,
3317 0x001F, 0x001A, 0x000D, 0x003D, 0x000C, 0x0007, 0x003C, 0x0018
3319 0x0002, 0x0001, 0x0014, 0x0000, 0x002F, 0x00BB, 0x02E4, 0x007D,
3320 0x00BA, 0x0003, 0x0004, 0x0016, 0x001A, 0x00B8, 0x172E, 0x2E5F,
3321 0x2E5E, 0x1729, 0x1728, 0x172B, 0x172A, 0x172D, 0x172C, 0x0001,
3322 0x001E, 0x0015, 0x001B, 0x003F, 0x000C, 0x000E, 0x007C, 0x0173
3324 0x0003, 0x007B, 0x0058, 0x01EA, 0x1EB1, 0x1EB0, 0x1EB3, 0x0013,
3325 0x0012, 0x0005, 0x0006, 0x0002, 0x0001, 0x0013, 0x003C, 0x002D,
3326 0x00F4, 0x0059, 0x03D7, 0x0F5B, 0x1EB2, 0x1EB5, 0x1EB4, 0x0003,
3327 0x000E, 0x001F, 0x0012, 0x0008, 0x0008, 0x0000, 0x000A, 0x0017
3329 0x0008, 0x003C, 0x00F5, 0x00F4, 0x1EF7, 0x3DE9, 0x3DE8, 0x001C,
3330 0x000D, 0x0005, 0x0006, 0x0001, 0x0000, 0x0007, 0x000C, 0x00F6,
3331 0x01EE, 0x03DF, 0x07BC, 0x3DEB, 0x3DEA, 0x3DED, 0x3DEC, 0x0002,
3332 0x0009, 0x001F, 0x000F, 0x0005, 0x000E, 0x0006, 0x0004, 0x001D
3334 0x0009, 0x0039, 0x0019, 0x0018, 0x0706, 0x383D, 0x383C, 0x000D,
3335 0x000F, 0x0005, 0x0006, 0x0000, 0x001D, 0x0003, 0x0071, 0x00E1,
3336 0x01C0, 0x0382, 0x1C1D, 0x383F, 0x383E, 0x3839, 0x3838, 0x0002,
3337 0x0008, 0x0002, 0x000D, 0x000C, 0x000F, 0x0007, 0x0002, 0x000E
3339 0x0000, 0x0006, 0x0035, 0x0034, 0x0777, 0x1DD4, 0x3BAB, 0x000E,
3340 0x000F, 0x0005, 0x0004, 0x001C, 0x0019, 0x003A, 0x00EF, 0x01DC,
3341 0x0776, 0x0774, 0x3BAA, 0x3BAD, 0x3BAC, 0x3BAF, 0x3BAE, 0x0002,
3342 0x0007, 0x0002, 0x0018, 0x000C, 0x000F, 0x000D, 0x001B, 0x0076
3344 0x0002, 0x0011, 0x0006, 0x004F, 0x0130, 0x1319, 0x1318, 0x004E,
3345 0x0007, 0x0006, 0x0005, 0x0010, 0x000D, 0x0005, 0x0099, 0x0262,
3346 0x098E, 0x131B, 0x131A, 0x263D, 0x263C, 0x263F, 0x263E, 0x0001,
3347 0x0007, 0x0000, 0x0012, 0x000C, 0x000E, 0x000F, 0x0004, 0x004D
3349 0x0003, 0x0000, 0x0002, 0x0037, 0x01B7, 0x0DB5, 0x36DD, 0x006C,
3350 0x0016, 0x0005, 0x0004, 0x0003, 0x000A, 0x002E, 0x036C, 0x0DB4,
3351 0x36DC, 0x36DF, 0x36DE, 0x36D9, 0x36D8, 0x36DB, 0x36DA, 0x000E,
3352 0x0004, 0x001A, 0x0019, 0x0018, 0x000F, 0x0001, 0x002F, 0x00DA
3354 0x0006, 0x0006, 0x000F, 0x0000, 0x0075, 0x03B8, 0x1DCA, 0x0074,
3355 0x0076, 0x0004, 0x0005, 0x0003, 0x0002, 0x01DE, 0x0EE6, 0x3B97,
3356 0x3B96, 0x3B9D, 0x3B9C, 0x3B9F, 0x3B9E, 0x1DC9, 0x1DC8, 0x0005,
3357 0x001C, 0x0009, 0x000E, 0x0008, 0x000F, 0x0001, 0x01DF, 0x01DD
3359 0x0004, 0x000B, 0x001D, 0x000C, 0x0014, 0x00E0, 0x3875, 0x0386,
3360 0x01C2, 0x0000, 0x0001, 0x0071, 0x0072, 0x1C3F, 0x3874, 0x3877,
3361 0x3876, 0x3871, 0x3870, 0x3873, 0x3872, 0x3879, 0x3878, 0x003C,
3362 0x0073, 0x002A, 0x003D, 0x002B, 0x001F, 0x000D, 0x1C3E, 0x1C3D
3365 const VP40_AC_CAT2_BITS: [[u8; 32]; 16] = [
3367 5, 7, 8, 9, 12, 13, 13, 5, 7, 3, 3, 4, 4, 4, 4, 5,
3368 6, 5, 6, 7, 10, 12, 12, 3, 5, 5, 6, 6, 5, 6, 5, 6
3370 5, 7, 8, 9, 11, 12, 12, 5, 7, 3, 3, 4, 4, 4, 5, 5,
3371 6, 6, 6, 7, 11, 12, 12, 3, 4, 5, 6, 6, 5, 5, 5, 6
3373 4, 7, 8, 9, 11, 13, 14, 5, 7, 3, 3, 4, 4, 4, 5, 6,
3374 7, 7, 7, 10, 14, 13, 13, 3, 4, 5, 5, 6, 5, 5, 5, 6
3376 4, 6, 8, 8, 10, 12, 13, 6, 7, 3, 3, 4, 4, 4, 5, 6,
3377 7, 8, 9, 12, 13, 13, 13, 3, 4, 5, 6, 6, 4, 5, 5, 6
3379 4, 6, 8, 8, 10, 14, 14, 6, 7, 3, 3, 4, 4, 5, 6, 7,
3380 8, 9, 11, 14, 14, 13, 13, 3, 4, 5, 5, 5, 4, 4, 5, 6
3382 4, 5, 7, 7, 9, 13, 13, 6, 7, 3, 3, 4, 4, 5, 6, 8,
3383 10, 12, 13, 13, 13, 14, 14, 3, 4, 5, 5, 6, 4, 4, 5, 6
3385 3, 5, 6, 6, 8, 11, 13, 6, 7, 3, 3, 4, 4, 6, 9, 11,
3386 13, 13, 13, 13, 13, 13, 13, 3, 5, 5, 5, 6, 4, 4, 6, 6
3388 3, 4, 5, 4, 6, 8, 10, 7, 8, 3, 3, 5, 5, 8, 13, 14,
3389 14, 13, 13, 13, 13, 13, 13, 3, 5, 5, 5, 6, 4, 4, 7, 9
3391 4, 7, 8, 9, 13, 13, 13, 6, 6, 3, 3, 4, 4, 5, 6, 7,
3392 8, 8, 10, 12, 13, 13, 13, 3, 4, 5, 5, 5, 4, 4, 5, 6
3394 4, 6, 8, 8, 13, 14, 14, 6, 6, 3, 3, 4, 4, 5, 6, 8,
3395 9, 10, 11, 14, 14, 14, 14, 3, 4, 5, 5, 5, 4, 4, 5, 6
3397 4, 6, 7, 7, 11, 14, 14, 6, 6, 3, 3, 4, 5, 5, 7, 8,
3398 9, 10, 13, 14, 14, 14, 14, 3, 4, 4, 5, 5, 4, 4, 5, 6
3400 3, 5, 7, 7, 11, 13, 14, 6, 6, 3, 3, 5, 5, 6, 8, 9,
3401 11, 11, 14, 14, 14, 14, 14, 3, 4, 4, 5, 5, 4, 4, 6, 7
3403 3, 5, 6, 7, 9, 13, 13, 7, 6, 3, 3, 5, 5, 6, 8, 10,
3404 12, 13, 13, 14, 14, 14, 14, 3, 4, 4, 5, 5, 4, 4, 6, 7
3406 3, 4, 5, 6, 9, 12, 14, 7, 6, 3, 3, 5, 5, 7, 10, 12,
3407 14, 14, 14, 14, 14, 14, 14, 4, 4, 5, 5, 5, 4, 3, 7, 8
3409 3, 4, 5, 4, 7, 10, 13, 7, 7, 3, 3, 5, 5, 9, 12, 14,
3410 14, 14, 14, 14, 14, 13, 13, 4, 5, 5, 5, 5, 4, 3, 9, 9
3412 3, 4, 5, 4, 5, 8, 14, 10, 9, 2, 2, 7, 7, 13, 14, 14,
3413 14, 14, 14, 14, 14, 14, 14, 6, 7, 6, 6, 6, 5, 4, 13, 13
3416 const VP40_AC_CAT3_CODES: [[u32; 32]; 16] = [
3418 0x0007, 0x000F, 0x00BB, 0x00BA, 0x05CF, 0x173A, 0x2E77, 0x0029,
3419 0x0172, 0x0007, 0x0006, 0x0009, 0x0008, 0x0001, 0x0005, 0x000D,
3420 0x001D, 0x001C, 0x00B8, 0x02E6, 0x2E76, 0x1739, 0x1738, 0x0002,
3421 0x0006, 0x0016, 0x0004, 0x0028, 0x0015, 0x000C, 0x0000, 0x002F
3423 0x000B, 0x0002, 0x0054, 0x002F, 0x02AC, 0x156B, 0x1568, 0x0016,
3424 0x0154, 0x0007, 0x0006, 0x0004, 0x0003, 0x0013, 0x0028, 0x002E,
3425 0x0157, 0x0155, 0x055B, 0x2AD3, 0x2AD2, 0x2AD5, 0x2AD4, 0x0003,
3426 0x0008, 0x0000, 0x000A, 0x0003, 0x0002, 0x002B, 0x0012, 0x0029
3428 0x000F, 0x0007, 0x0001, 0x0000, 0x01C4, 0x0703, 0x0E02, 0x0011,
3429 0x00E1, 0x0005, 0x0006, 0x0002, 0x0001, 0x0009, 0x0010, 0x00E3,
3430 0x01C5, 0x01C1, 0x0702, 0x1C07, 0x1C06, 0x0E01, 0x0E00, 0x0004,
3431 0x0007, 0x001D, 0x000D, 0x0001, 0x0005, 0x0006, 0x000C, 0x0039
3433 0x0001, 0x001C, 0x0011, 0x0013, 0x0042, 0x0207, 0x0815, 0x0075,
3434 0x0041, 0x0005, 0x0006, 0x0000, 0x001F, 0x003B, 0x0074, 0x0043,
3435 0x0080, 0x0206, 0x0814, 0x0817, 0x0816, 0x0409, 0x0408, 0x0003,
3436 0x0009, 0x001E, 0x0011, 0x0003, 0x0005, 0x0010, 0x0002, 0x0012
3438 0x0001, 0x001F, 0x0027, 0x0001, 0x004B, 0x0123, 0x0915, 0x0000,
3439 0x0049, 0x0005, 0x0006, 0x001D, 0x001C, 0x0013, 0x004A, 0x0090,
3440 0x0914, 0x0917, 0x0916, 0x0911, 0x0910, 0x0913, 0x0912, 0x0003,
3441 0x0005, 0x0001, 0x0012, 0x0008, 0x0008, 0x001E, 0x0026, 0x0001
3443 0x0003, 0x0001, 0x003F, 0x000B, 0x004E, 0x0132, 0x099A, 0x004F,
3444 0x0098, 0x0006, 0x0005, 0x001D, 0x001C, 0x007C, 0x0267, 0x1331,
3445 0x1330, 0x1333, 0x1332, 0x266D, 0x266C, 0x266F, 0x266E, 0x0001,
3446 0x0004, 0x001E, 0x0012, 0x000A, 0x0008, 0x0000, 0x007D, 0x004D
3448 0x0002, 0x0007, 0x0015, 0x0003, 0x0004, 0x00A7, 0x0536, 0x0028,
3449 0x029A, 0x0006, 0x0004, 0x001C, 0x0017, 0x00A4, 0x29BE, 0x537F,
3450 0x537E, 0x29B9, 0x29B8, 0x29BB, 0x29BA, 0x29BD, 0x29BC, 0x000F,
3451 0x0000, 0x0005, 0x0016, 0x001D, 0x0006, 0x0001, 0x00A5, 0x014C
3453 0x0004, 0x0007, 0x001A, 0x000C, 0x0006, 0x0029, 0x01BD, 0x1BE3,
3454 0x1BE0, 0x0000, 0x0007, 0x006E, 0x01BC, 0x37C3, 0x37C2, 0x37CD,
3455 0x37CC, 0x37CF, 0x37CE, 0x37C9, 0x37C8, 0x37CB, 0x37CA, 0x0015,
3456 0x01BF, 0x037D, 0x0036, 0x0002, 0x000B, 0x0028, 0x37C5, 0x37C4
3458 0x0001, 0x0009, 0x0003, 0x0002, 0x011F, 0x08E9, 0x08E8, 0x002D,
3459 0x0022, 0x0006, 0x0007, 0x0010, 0x0011, 0x0017, 0x002C, 0x0046,
3460 0x011E, 0x011C, 0x0477, 0x08EB, 0x08EA, 0x08ED, 0x08EC, 0x0003,
3461 0x000B, 0x0001, 0x0014, 0x000A, 0x0009, 0x0015, 0x0000, 0x0010
3463 0x0001, 0x001D, 0x0022, 0x0013, 0x011E, 0x08FC, 0x23F5, 0x0023,
3464 0x0022, 0x0005, 0x0006, 0x0010, 0x000B, 0x0010, 0x008E, 0x023E,
3465 0x08FF, 0x11FD, 0x23F4, 0x23F7, 0x23F6, 0x23F9, 0x23F8, 0x0003,
3466 0x0009, 0x0000, 0x001C, 0x000A, 0x000F, 0x0001, 0x0012, 0x0046
3468 0x0003, 0x001F, 0x003C, 0x003D, 0x0086, 0x0877, 0x10E8, 0x0041,
3469 0x0040, 0x0005, 0x0006, 0x0007, 0x0006, 0x0004, 0x010F, 0x021C,
3470 0x0875, 0x21D3, 0x21D2, 0x21D9, 0x21D8, 0x21DB, 0x21DA, 0x0002,
3471 0x0009, 0x0000, 0x0011, 0x0003, 0x000E, 0x0002, 0x0005, 0x0042
3473 0x0004, 0x0001, 0x003D, 0x0009, 0x00F3, 0x0793, 0x1E45, 0x0000,
3474 0x0002, 0x0005, 0x0006, 0x0008, 0x0001, 0x0003, 0x01E5, 0x0792,
3475 0x1E44, 0x1E47, 0x1E46, 0x1E41, 0x1E40, 0x1E43, 0x1E42, 0x0001,
3476 0x0006, 0x001F, 0x000F, 0x000E, 0x000E, 0x0005, 0x0078, 0x0001
3478 0x0004, 0x0005, 0x000E, 0x0017, 0x003E, 0x00F0, 0x0F1E, 0x007A,
3479 0x007F, 0x0006, 0x0007, 0x0005, 0x0004, 0x007B, 0x01E2, 0x1E3F,
3480 0x1E3E, 0x0F19, 0x0F18, 0x0F1B, 0x0F1A, 0x0F1D, 0x0F1C, 0x0000,
3481 0x0003, 0x0016, 0x0009, 0x0008, 0x000A, 0x0006, 0x007E, 0x0079
3483 0x0005, 0x000C, 0x001A, 0x0004, 0x001A, 0x00DE, 0x0DF4, 0x00DD,
3484 0x006D, 0x0000, 0x0007, 0x0025, 0x0024, 0x00DC, 0x0DF7, 0x1BEB,
3485 0x1BEA, 0x0DF1, 0x0DF0, 0x0DF3, 0x0DF2, 0x1BED, 0x1BEC, 0x0008,
3486 0x0013, 0x000C, 0x0037, 0x0036, 0x0005, 0x0007, 0x006C, 0x01BF
3488 0x0005, 0x000D, 0x001F, 0x000C, 0x003B, 0x0040, 0x041A, 0x0104,
3489 0x0107, 0x0001, 0x0000, 0x0024, 0x0021, 0x020B, 0x106E, 0x20DF,
3490 0x20DE, 0x1055, 0x1054, 0x1057, 0x1056, 0x106D, 0x106C, 0x0011,
3491 0x003A, 0x0025, 0x0038, 0x0039, 0x0013, 0x001E, 0x020C, 0x0414
3493 0x0000, 0x0007, 0x000D, 0x0005, 0x0009, 0x0022, 0x0CD1, 0x0CD0,
3494 0x0CD3, 0x0003, 0x0002, 0x008D, 0x00CC, 0x066B, 0x0CD2, 0x19B5,
3495 0x19B4, 0x19B7, 0x19B6, 0x19B1, 0x19B0, 0x19B3, 0x19B2, 0x0047,
3496 0x008C, 0x0337, 0x0067, 0x0018, 0x0010, 0x0032, 0x0CD5, 0x0CD4
3499 const VP40_AC_CAT3_BITS: [[u8; 32]; 16] = [
3501 4, 6, 8, 8, 11, 13, 14, 6, 9, 3, 3, 4, 4, 4, 5, 6,
3502 7, 7, 8, 10, 14, 13, 13, 3, 4, 5, 5, 6, 5, 6, 4, 6
3504 4, 5, 7, 7, 10, 13, 13, 6, 9, 3, 3, 4, 4, 5, 6, 7,
3505 9, 9, 11, 14, 14, 14, 14, 3, 4, 4, 5, 5, 4, 6, 5, 6
3507 4, 5, 6, 6, 9, 11, 12, 6, 8, 3, 3, 4, 4, 5, 6, 8,
3508 9, 9, 11, 13, 13, 12, 12, 3, 4, 5, 5, 5, 4, 5, 5, 6
3510 3, 5, 6, 6, 8, 11, 13, 7, 8, 3, 3, 4, 5, 6, 7, 8,
3511 9, 11, 13, 13, 13, 12, 12, 3, 4, 5, 5, 5, 4, 5, 5, 6
3513 3, 5, 6, 5, 8, 10, 13, 6, 8, 3, 3, 5, 5, 6, 8, 9,
3514 13, 13, 13, 13, 13, 13, 13, 3, 4, 4, 5, 5, 4, 5, 6, 6
3516 3, 4, 6, 5, 7, 9, 12, 7, 8, 3, 3, 5, 5, 7, 10, 13,
3517 13, 13, 13, 14, 14, 14, 14, 3, 4, 5, 5, 5, 4, 4, 7, 7
3519 3, 4, 5, 4, 5, 8, 11, 6, 10, 3, 3, 5, 5, 8, 14, 15,
3520 15, 14, 14, 14, 14, 14, 14, 4, 4, 5, 5, 5, 4, 4, 8, 9
3522 3, 4, 5, 4, 4, 6, 9, 13, 13, 2, 3, 7, 9, 14, 14, 14,
3523 14, 14, 14, 14, 14, 14, 14, 5, 9, 10, 6, 3, 4, 6, 14, 14
3525 3, 5, 6, 6, 10, 13, 13, 7, 7, 3, 3, 5, 5, 6, 7, 8,
3526 10, 10, 12, 13, 13, 13, 13, 3, 4, 4, 5, 5, 4, 5, 5, 6
3528 3, 5, 6, 6, 9, 12, 14, 7, 7, 3, 3, 5, 5, 6, 8, 10,
3529 12, 13, 14, 14, 14, 14, 14, 3, 4, 4, 5, 5, 4, 4, 6, 7
3531 3, 5, 6, 6, 8, 12, 13, 7, 7, 3, 3, 5, 5, 6, 9, 10,
3532 12, 14, 14, 14, 14, 14, 14, 3, 4, 4, 5, 5, 4, 4, 6, 7
3534 3, 4, 6, 5, 8, 11, 13, 7, 7, 3, 3, 5, 5, 7, 9, 11,
3535 13, 13, 13, 13, 13, 13, 13, 3, 4, 5, 5, 5, 4, 4, 7, 7
3537 3, 4, 5, 5, 7, 9, 13, 8, 8, 3, 3, 5, 5, 8, 10, 14,
3538 14, 13, 13, 13, 13, 13, 13, 3, 4, 5, 5, 5, 4, 4, 8, 8
3540 3, 4, 5, 4, 6, 9, 13, 9, 8, 2, 3, 6, 6, 9, 13, 14,
3541 14, 13, 13, 13, 13, 14, 14, 4, 5, 5, 6, 6, 4, 4, 8, 10
3543 3, 4, 5, 4, 6, 7, 11, 9, 9, 2, 2, 6, 6, 10, 13, 14,
3544 14, 13, 13, 13, 13, 13, 13, 5, 6, 6, 6, 6, 5, 5, 10, 11
3546 2, 4, 5, 4, 5, 7, 13, 13, 13, 2, 2, 9, 9, 12, 13, 14,
3547 14, 14, 14, 14, 14, 14, 14, 8, 9, 11, 8, 6, 6, 7, 13, 13
3551 const VP40_QMAT: &[i16; 64] = &[
3552 16, 17, 18, 20, 22, 24, 26, 28,
3553 17, 18, 20, 22, 24, 26, 28, 32,
3554 18, 20, 22, 24, 26, 28, 32, 36,
3555 20, 22, 24, 26, 28, 32, 36, 40,
3556 22, 24, 26, 28, 32, 36, 40, 44,
3557 24, 26, 28, 32, 36, 40, 44, 48,
3558 26, 28, 32, 36, 40, 44, 48, 52,
3559 28, 32, 36, 40, 44, 48, 52, 56
3561 const VP40_DC_Y_SCALES: [i16; 64] = [
3562 180, 180, 180, 180, 180, 180, 175, 170,
3563 165, 160, 157, 155, 152, 150, 147, 145,
3564 142, 140, 137, 135, 132, 130, 127, 125,
3565 122, 120, 117, 115, 112, 110, 107, 105,
3566 102, 100, 97, 95, 92, 90, 87, 85,
3567 82, 80, 77, 75, 72, 70, 67, 65,
3568 62, 60, 57, 55, 52, 50, 47, 45,
3569 42, 40, 37, 35, 32, 30, 27, 25
3571 const VP40_DC_C_SCALES: [i16; 64] = [
3572 150, 150, 150, 150, 150, 150, 150, 150,
3573 150, 150, 150, 150, 150, 150, 147, 145,
3574 142, 140, 137, 135, 132, 130, 127, 125,
3575 122, 120, 117, 115, 112, 110, 107, 105,
3576 102, 100, 97, 95, 92, 90, 87, 85,
3577 82, 80, 77, 75, 72, 70, 67, 65,
3578 62, 60, 57, 55, 52, 50, 47, 45,
3579 42, 40, 37, 35, 32, 30, 27, 25
3581 const VP40_AC_SCALES: [i16; 64] = [
3582 500, 475, 450, 430, 410, 390, 370, 350,
3583 330, 315, 300, 285, 270, 260, 250, 240,
3584 230, 220, 210, 200, 190, 185, 180, 170,
3585 160, 150, 143, 135, 128, 120, 113, 106,
3586 100, 94, 90, 85, 80, 75, 70, 66,
3587 62, 57, 52, 49, 45, 41, 38, 35,
3588 33, 30, 27, 24, 22, 20, 18, 16,
3589 14, 12, 10, 9, 7, 6, 4, 1
3592 const VP40_MBPAT_CODES: [[u8; 14]; 2] = [
3593 [ 0b000, 0b1111, 0b1001, 0b010, 0b1101, 0b01110, 0b1011, 0b001, 0b01111, 0b1000, 0b0110, 0b1110, 0b1100, 0b1010 ],
3594 [ 0b0111, 0b1010, 0b1001, 0b1100, 0b1000, 0b01101, 0b000, 0b1110, 0b01100, 0b1101, 0b001, 0b1011, 0b1111, 0b010 ]
3596 const VP40_MBPAT_BITS: [[u8; 14]; 2] = [
3597 [ 3, 4, 4, 3, 4, 5, 4, 3, 5, 4, 4, 4, 4, 4 ],
3598 [ 4, 4, 4, 4, 4, 5, 3, 4, 5, 4, 3, 4, 4, 3 ]
3600 const VP40_BP_PREDICTOR: [u8; 15] = [ 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 1 ];
3601 const VP40_MV_X_CODES: [[u32; 63]; 7] = [
3603 0x06A, 0x11A, 0x18E, 0x237, 0x04A, 0x236, 0x07A, 0x0D6,
3604 0x07E, 0x1FD, 0x08C, 0x0D7, 0x087, 0x183, 0x03C, 0x061,
3605 0x047, 0x069, 0x040, 0x048, 0x049, 0x086, 0x013, 0x0D2,
3606 0x01C, 0x042, 0x025, 0x01B, 0x013, 0x005, 0x000, 0x007,
3607 0x005, 0x01B, 0x019, 0x019, 0x008, 0x045, 0x01D, 0x0C6,
3608 0x068, 0x090, 0x041, 0x04B, 0x031, 0x18F, 0x062, 0x03E,
3609 0x044, 0x068, 0x030, 0x182, 0x0C0, 0x1A7, 0x091, 0x092,
3610 0x07B, 0x0FF, 0x1A6, 0x1FC, 0x06A, 0x093, 0x06B
3612 0x039, 0x259, 0x01B, 0x1D1, 0x137, 0x1D0, 0x01A, 0x1B5,
3613 0x01D, 0x4BC, 0x06C, 0x038, 0x071, 0x02D, 0x07D, 0x075,
3614 0x019, 0x0E9, 0x037, 0x015, 0x01E, 0x0DB, 0x04C, 0x070,
3615 0x00D, 0x00C, 0x027, 0x004, 0x002, 0x000, 0x005, 0x007,
3616 0x006, 0x002, 0x008, 0x024, 0x00C, 0x03B, 0x01E, 0x09A,
3617 0x00E, 0x069, 0x04A, 0x12D, 0x035, 0x0F9, 0x018, 0x07F,
3618 0x00F, 0x0F8, 0x07E, 0x25F, 0x068, 0x02C, 0x014, 0x258,
3619 0x136, 0x4BD, 0x12E, 0x1B4, 0x017, 0x039, 0x01F
3621 0x029, 0x3CB, 0x1F5, 0x263, 0x1F4, 0x3DA, 0x050, 0x260,
3622 0x1EC, 0x3D3, 0x109, 0x3D2, 0x051, 0x792, 0x0F3, 0x09A,
3623 0x0F7, 0x132, 0x0C1, 0x1E8, 0x02A, 0x085, 0x061, 0x1F7,
3624 0x078, 0x0C7, 0x023, 0x07C, 0x012, 0x00B, 0x00E, 0x00D,
3625 0x000, 0x005, 0x003, 0x004, 0x019, 0x020, 0x03F, 0x043,
3626 0x062, 0x09F, 0x04E, 0x181, 0x02B, 0x137, 0x0F5, 0x089,
3627 0x0C6, 0x262, 0x088, 0x3C8, 0x1F6, 0x3CA, 0x09E, 0x261,
3628 0x136, 0x108, 0x133, 0x793, 0x180, 0x3DB, 0x045
3630 0x001, 0x1C7, 0x067, 0x0B5, 0x066, 0x139, 0x099, 0x0B4,
3631 0x0C3, 0x130, 0x000, 0x131, 0x09E, 0x0B7, 0x02C, 0x001,
3632 0x028, 0x138, 0x04B, 0x031, 0x060, 0x091, 0x003, 0x09D,
3633 0x017, 0x04D, 0x031, 0x070, 0x007, 0x03A, 0x007, 0x002,
3634 0x00B, 0x001, 0x00F, 0x008, 0x00D, 0x004, 0x00A, 0x00D,
3635 0x019, 0x002, 0x03B, 0x04A, 0x015, 0x0C2, 0x018, 0x032,
3636 0x072, 0x1C6, 0x029, 0x1C5, 0x049, 0x121, 0x01B, 0x030,
3637 0x01A, 0x1C4, 0x09F, 0x0B6, 0x019, 0x120, 0x073
3639 0x023, 0x1C8, 0x043, 0x110, 0x00C, 0x153, 0x022, 0x111,
3640 0x00F, 0x042, 0x023, 0x1C9, 0x02A, 0x01B, 0x073, 0x045,
3641 0x06E, 0x089, 0x06C, 0x01A, 0x06F, 0x0B6, 0x00B, 0x0E5,
3642 0x025, 0x020, 0x029, 0x04D, 0x002, 0x014, 0x01A, 0x017,
3643 0x01E, 0x027, 0x018, 0x028, 0x01F, 0x000, 0x006, 0x010,
3644 0x007, 0x00B, 0x003, 0x004, 0x01D, 0x02C, 0x019, 0x02B,
3645 0x009, 0x055, 0x038, 0x00E, 0x024, 0x0A8, 0x00A, 0x099,
3646 0x05A, 0x098, 0x06D, 0x152, 0x02B, 0x0B7, 0x001
3648 0x03D, 0x0B1, 0x0DD, 0x1F6, 0x0C5, 0x188, 0x037, 0x03F,
3649 0x01E, 0x189, 0x00F, 0x03E, 0x06A, 0x1F7, 0x061, 0x079,
3650 0x018, 0x0B0, 0x00E, 0x0B3, 0x00C, 0x0DF, 0x006, 0x0DC,
3651 0x019, 0x0DE, 0x027, 0x00E, 0x01A, 0x063, 0x00F, 0x00E,
3652 0x014, 0x07C, 0x036, 0x06B, 0x03F, 0x060, 0x008, 0x074,
3653 0x009, 0x078, 0x012, 0x00D, 0x015, 0x02D, 0x002, 0x01C,
3654 0x005, 0x03B, 0x000, 0x034, 0x019, 0x026, 0x010, 0x075,
3655 0x002, 0x036, 0x023, 0x0B2, 0x022, 0x0FA, 0x017
3657 0x015, 0x0DD, 0x03E, 0x16E, 0x04C, 0x012, 0x05D, 0x0B6,
3658 0x06F, 0x1F1, 0x069, 0x1F0, 0x01D, 0x16F, 0x002, 0x06B,
3659 0x00C, 0x0DC, 0x068, 0x09B, 0x07D, 0x09A, 0x00D, 0x013,
3660 0x008, 0x0F9, 0x02C, 0x012, 0x033, 0x04F, 0x00D, 0x005,
3661 0x012, 0x03F, 0x032, 0x013, 0x03B, 0x005, 0x02F, 0x05A,
3662 0x03F, 0x01C, 0x03A, 0x008, 0x036, 0x05C, 0x010, 0x000,
3663 0x00C, 0x04E, 0x003, 0x06A, 0x00E, 0x003, 0x014, 0x01E,
3664 0x01C, 0x00F, 0x018, 0x023, 0x01E, 0x022, 0x002
3667 const VP40_MV_X_BITS: [[u8; 63]; 7] = [
3669 7, 9, 9, 10, 8, 10, 8, 9, 8, 10, 8, 9, 8, 9, 7, 7,
3670 7, 8, 7, 8, 7, 8, 6, 8, 6, 7, 6, 6, 5, 4, 2, 3,
3671 3, 5, 5, 6, 5, 7, 6, 8, 7, 8, 7, 8, 7, 9, 7, 7,
3672 7, 8, 7, 9, 8, 9, 8, 9, 8, 9, 9, 10, 8, 9, 7
3674 7, 10, 8, 10, 9, 10, 8, 10, 8, 11, 8, 9, 8, 9, 8, 8,
3675 7, 9, 7, 8, 7, 9, 7, 8, 6, 7, 6, 6, 4, 4, 3, 3,
3676 3, 3, 4, 6, 5, 7, 6, 8, 6, 8, 7, 9, 7, 9, 7, 8,
3677 7, 9, 8, 10, 8, 9, 8, 10, 9, 11, 9, 10, 8, 9, 7
3679 7, 10, 9, 10, 9, 10, 8, 10, 9, 10, 9, 10, 8, 11, 8, 8,
3680 8, 9, 8, 9, 7, 8, 7, 9, 7, 8, 6, 7, 5, 5, 4, 4,
3681 2, 3, 3, 4, 5, 6, 6, 7, 7, 8, 7, 9, 7, 9, 8, 8,
3682 8, 10, 8, 10, 9, 10, 8, 10, 9, 9, 9, 11, 9, 10, 7
3684 6, 9, 8, 9, 8, 9, 8, 9, 8, 9, 7, 9, 8, 9, 7, 7,
3685 7, 9, 7, 8, 7, 8, 6, 8, 6, 7, 6, 7, 5, 6, 4, 4,
3686 4, 4, 4, 4, 4, 4, 4, 5, 5, 6, 6, 7, 6, 8, 6, 7,
3687 7, 9, 7, 9, 7, 9, 7, 8, 7, 9, 8, 9, 7, 9, 7
3689 6, 9, 8, 9, 7, 9, 7, 9, 7, 8, 7, 9, 7, 8, 7, 7,
3690 7, 8, 7, 8, 7, 8, 6, 8, 6, 7, 6, 7, 5, 6, 5, 5,
3691 5, 6, 5, 6, 5, 5, 4, 5, 4, 5, 4, 5, 5, 6, 5, 6,
3692 5, 7, 6, 7, 6, 8, 6, 8, 7, 8, 7, 9, 7, 8, 5
3694 6, 8, 8, 9, 8, 9, 7, 8, 7, 9, 7, 8, 7, 9, 7, 7,
3695 6, 8, 6, 8, 6, 8, 6, 8, 6, 8, 6, 7, 6, 7, 5, 5,
3696 5, 7, 6, 7, 6, 7, 5, 7, 5, 7, 5, 6, 5, 6, 4, 5,
3697 4, 6, 4, 6, 5, 6, 5, 7, 5, 7, 6, 8, 6, 8, 5
3699 5, 8, 7, 9, 7, 8, 7, 8, 7, 9, 7, 9, 7, 9, 6, 7,
3700 6, 8, 7, 8, 7, 8, 6, 8, 6, 8, 6, 7, 6, 7, 5, 5,
3701 5, 7, 6, 7, 6, 6, 6, 7, 6, 7, 6, 7, 6, 7, 5, 5,
3702 5, 7, 5, 7, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 3
3705 const VP40_MV_Y_CODES: [[u32; 63]; 7] = [
3707 0x052, 0x14C, 0x1FA, 0x124, 0x082, 0x29E, 0x08E, 0x24B,
3708 0x09C, 0x3F7, 0x086, 0x114, 0x083, 0x3A5, 0x0FA, 0x04F,
3709 0x0FB, 0x13B, 0x0FC, 0x172, 0x044, 0x173, 0x051, 0x087,
3710 0x05F, 0x0BA, 0x026, 0x05E, 0x016, 0x015, 0x006, 0x001,
3711 0x000, 0x01C, 0x01E, 0x075, 0x03B, 0x0FF, 0x025, 0x0BB,
3712 0x07C, 0x08B, 0x048, 0x171, 0x042, 0x14E, 0x046, 0x0FE,
3713 0x040, 0x13A, 0x093, 0x115, 0x08F, 0x3F6, 0x170, 0x29F,
3714 0x1D1, 0x24A, 0x1D3, 0x3A4, 0x1D0, 0x14D, 0x050
3716 0x0DE, 0x223, 0x136, 0x7C5, 0x12F, 0x4A1, 0x3D7, 0x7AC,
3717 0x133, 0x7C4, 0x1B8, 0x222, 0x096, 0x251, 0x095, 0x1F0,
3718 0x0DA, 0x110, 0x09A, 0x360, 0x0DD, 0x12E, 0x048, 0x092,
3719 0x078, 0x098, 0x027, 0x045, 0x01A, 0x010, 0x005, 0x000,
3720 0x001, 0x00E, 0x00C, 0x023, 0x03F, 0x0F4, 0x07D, 0x089,
3721 0x07B, 0x1BE, 0x0F9, 0x3E3, 0x0F3, 0x127, 0x0DB, 0x1EA,
3722 0x0D9, 0x6E7, 0x1BF, 0x4A0, 0x1B1, 0x6E6, 0x137, 0x7AD,
3723 0x126, 0x6C2, 0x132, 0x6C3, 0x129, 0x372, 0x0F2
3725 0x016, 0x09C, 0x13C, 0x09E, 0x12B, 0x0BA, 0x181, 0x317,
3726 0x084, 0x04E, 0x026, 0x316, 0x180, 0x05C, 0x0C1, 0x02F,
3727 0x010, 0x045, 0x012, 0x189, 0x024, 0x13D, 0x066, 0x023,
3728 0x067, 0x0C6, 0x024, 0x04B, 0x011, 0x032, 0x00D, 0x000,
3729 0x007, 0x005, 0x003, 0x003, 0x005, 0x020, 0x008, 0x025,
3730 0x026, 0x04F, 0x061, 0x02B, 0x04E, 0x18A, 0x043, 0x09F,
3731 0x014, 0x254, 0x094, 0x310, 0x085, 0x311, 0x02A, 0x0BB,
3732 0x18F, 0x255, 0x09D, 0x09F, 0x18E, 0x044, 0x026
3734 0x061, 0x12A, 0x00D, 0x3BD, 0x089, 0x109, 0x18E, 0x210,
3735 0x1D3, 0x211, 0x088, 0x019, 0x085, 0x018, 0x0E8, 0x0CE,
3736 0x040, 0x119, 0x045, 0x1D2, 0x04B, 0x1DD, 0x062, 0x094,
3737 0x075, 0x00C, 0x027, 0x00D, 0x002, 0x026, 0x006, 0x01E,
3738 0x00D, 0x01F, 0x001, 0x00A, 0x002, 0x007, 0x00B, 0x000,
3739 0x01C, 0x076, 0x032, 0x007, 0x024, 0x0C0, 0x007, 0x041,
3740 0x002, 0x18F, 0x047, 0x1DC, 0x043, 0x12B, 0x0CF, 0x118,
3741 0x0C6, 0x3BC, 0x08D, 0x3BF, 0x0C1, 0x3BE, 0x066
3743 0x007, 0x14D, 0x0A0, 0x09E, 0x0CF, 0x39C, 0x0A1, 0x39D,
3744 0x0AB, 0x1C5, 0x026, 0x14C, 0x025, 0x19C, 0x03F, 0x0E1,
3745 0x066, 0x1CF, 0x03E, 0x1C4, 0x072, 0x04E, 0x006, 0x0AA,
3746 0x01C, 0x0E6, 0x032, 0x051, 0x03B, 0x005, 0x01F, 0x018,
3747 0x002, 0x03A, 0x000, 0x036, 0x005, 0x008, 0x008, 0x016,
3748 0x009, 0x00D, 0x003, 0x02F, 0x01E, 0x02E, 0x01A, 0x02B,
3749 0x00C, 0x024, 0x01E, 0x0E0, 0x004, 0x0A7, 0x054, 0x1C7,
3750 0x052, 0x19D, 0x03A, 0x09F, 0x03B, 0x1C6, 0x037
3752 0x02A, 0x039, 0x025, 0x115, 0x024, 0x1FA, 0x02F, 0x114,
3753 0x075, 0x038, 0x0FC, 0x036, 0x01E, 0x1FB, 0x07F, 0x068,
3754 0x016, 0x037, 0x01F, 0x05C, 0x013, 0x08B, 0x001, 0x0FB,
3755 0x021, 0x044, 0x02B, 0x06B, 0x03B, 0x00C, 0x01C, 0x019,
3756 0x001, 0x020, 0x016, 0x07C, 0x00C, 0x074, 0x00A, 0x01C,
3757 0x012, 0x069, 0x00F, 0x06A, 0x014, 0x011, 0x01E, 0x017,
3758 0x002, 0x031, 0x01B, 0x030, 0x00D, 0x000, 0x001, 0x01D,
3759 0x023, 0x01A, 0x01D, 0x05D, 0x010, 0x0FA, 0x013
3761 0x012, 0x026, 0x041, 0x022, 0x01A, 0x0A9, 0x04C, 0x1B2,
3762 0x05C, 0x0A8, 0x058, 0x1B3, 0x040, 0x079, 0x00C, 0x055,
3763 0x01F, 0x0D8, 0x076, 0x023, 0x05F, 0x078, 0x00B, 0x01B,
3764 0x02D, 0x010, 0x037, 0x06D, 0x032, 0x00A, 0x01A, 0x01E,
3765 0x01F, 0x02B, 0x00D, 0x077, 0x031, 0x05D, 0x038, 0x027,
3766 0x00C, 0x0E9, 0x033, 0x05E, 0x030, 0x04D, 0x00A, 0x021,
3767 0x007, 0x03D, 0x039, 0x0E8, 0x00B, 0x059, 0x014, 0x027,
3768 0x011, 0x075, 0x00E, 0x009, 0x008, 0x012, 0x000
3771 const VP40_MV_Y_BITS: [[u8; 63]; 7] = [
3773 7, 9, 9, 9, 8, 10, 8, 10, 8, 10, 8, 9, 8, 10, 8, 7,
3774 8, 9, 8, 9, 7, 9, 7, 8, 7, 8, 6, 7, 5, 5, 3, 2,
3775 2, 5, 5, 7, 6, 8, 6, 8, 7, 8, 7, 9, 7, 9, 7, 8,
3776 7, 9, 8, 9, 8, 10, 9, 10, 9, 10, 9, 10, 9, 9, 7
3778 8, 10, 9, 11, 9, 11, 10, 11, 9, 11, 9, 10, 8, 10, 8, 9,
3779 8, 9, 8, 10, 8, 9, 7, 8, 7, 8, 6, 7, 5, 5, 3, 2,
3780 2, 4, 4, 6, 6, 8, 7, 8, 7, 9, 8, 10, 8, 9, 8, 9,
3781 8, 11, 9, 11, 9, 11, 9, 11, 9, 11, 9, 11, 9, 10, 8
3783 7, 9, 9, 10, 9, 10, 9, 10, 8, 9, 8, 10, 9, 9, 8, 8,
3784 7, 9, 7, 9, 7, 9, 7, 8, 7, 8, 6, 7, 5, 6, 4, 3,
3785 3, 3, 3, 4, 4, 6, 5, 7, 6, 8, 7, 8, 7, 9, 7, 8,
3786 7, 10, 8, 10, 8, 10, 8, 10, 9, 10, 9, 10, 9, 9, 7
3788 7, 9, 8, 10, 8, 9, 9, 10, 9, 10, 8, 9, 8, 9, 8, 8,
3789 7, 9, 7, 9, 7, 9, 7, 8, 7, 7, 6, 7, 5, 6, 4, 5,
3790 4, 5, 3, 4, 3, 4, 4, 5, 5, 7, 6, 7, 6, 8, 6, 7,
3791 6, 9, 7, 9, 7, 9, 8, 9, 8, 10, 8, 10, 8, 10, 7
3793 6, 9, 8, 9, 8, 10, 8, 10, 8, 9, 7, 9, 7, 9, 7, 8,
3794 7, 9, 7, 9, 7, 8, 6, 8, 6, 8, 6, 7, 6, 6, 5, 5,
3795 4, 6, 4, 6, 4, 5, 4, 5, 4, 5, 4, 6, 5, 6, 5, 6,
3796 5, 7, 6, 8, 6, 8, 7, 9, 7, 9, 7, 9, 7, 9, 6
3798 6, 8, 7, 9, 7, 9, 7, 9, 7, 8, 8, 8, 7, 9, 7, 7,
3799 6, 8, 7, 8, 6, 8, 6, 8, 6, 7, 6, 7, 6, 6, 5, 5,
3800 4, 6, 5, 7, 5, 7, 5, 6, 5, 7, 5, 7, 5, 6, 5, 5,
3801 4, 6, 5, 6, 5, 6, 5, 7, 6, 7, 6, 8, 6, 8, 5
3803 5, 7, 7, 8, 7, 8, 7, 9, 7, 8, 7, 9, 7, 8, 6, 7,
3804 6, 8, 7, 8, 7, 8, 6, 7, 6, 7, 6, 7, 6, 6, 5, 5,
3805 5, 6, 5, 7, 6, 7, 6, 7, 5, 8, 6, 7, 6, 7, 5, 6,
3806 5, 7, 6, 8, 5, 7, 5, 6, 5, 7, 5, 6, 5, 6, 3
3810 const VP40_LOOP_STRENGTH: [i16; 64] = [
3811 30, 25, 20, 20, 15, 15, 14, 14,
3812 13, 13, 12, 12, 11, 11, 10, 10,
3813 9, 9, 8, 8, 7, 7, 7, 7,
3814 6, 6, 6, 6, 5, 5, 5, 5,
3815 4, 4, 4, 4, 3, 3, 3, 3,
3816 2, 2, 2, 2, 2, 2, 2, 2,
3817 2, 2, 2, 2, 2, 2, 2, 2,
3818 1, 1, 1, 1, 1, 1, 1, 1
3820 const VP40_MV_LUT_INDEX: [usize; 32] = [
3821 0, 1, 2, 2, 3, 3, 3, 3,
3822 4, 4, 4, 4, 4, 4, 4, 4,
3823 5, 5, 5, 5, 5, 5, 5, 5,
3824 6, 6, 6, 6, 6, 6, 6, 6