use std::mem;
use std::ptr;
use nihav_core::codecs::*;
-use nihav_core::codecs::blockdsp::*;
+use nihav_codec_support::codecs::{MV, ZERO_MV, ZIGZAG};
+use nihav_codec_support::codecs::blockdsp::*;
use nihav_core::io::bitreader::*;
use nihav_core::io::codebook::*;
use nihav_core::io::intcode::*;
idx as u8
}
+struct VP30Codes {
+ dc_cb: [Codebook<u8>; 5],
+ ac_i_cb: [Codebook<u8>; 5],
+ ac_p_cb: [Codebook<u8>; 5],
+ mbtype_cb: Codebook<VPMBType>,
+}
+
+fn map_mbt(idx: usize) -> VPMBType {
+ VP30_MBTYPE_SYMS[idx]
+}
+
+impl VP30Codes {
+ fn new() -> Self {
+ let mut dc_cb: [Codebook<u8>; 5];
+ let mut ac_i_cb: [Codebook<u8>; 5];
+ let mut ac_p_cb: [Codebook<u8>; 5];
+ let mut cr = TableCodebookDescReader::new(&VP30_MBTYPE_CODES, &VP30_MBTYPE_BITS, map_mbt);
+ let mbtype_cb = Codebook::new(&mut cr, CodebookMode::MSB).unwrap();
+ unsafe {
+ dc_cb = mem::uninitialized();
+ ac_i_cb = mem::uninitialized();
+ ac_p_cb = mem::uninitialized();
+ for i in 0..5 {
+ let mut cr = TableCodebookDescReader::new(&VP30_DC_CODES[i], &VP30_DC_BITS[i], map_idx);
+ let cb = Codebook::new(&mut cr, CodebookMode::MSB).unwrap();
+ ptr::write(&mut dc_cb[i], cb);
+ let mut cr = TableCodebookDescReader::new(&VP30_AC_INTRA_CODES[i], &VP30_AC_INTRA_BITS[i], map_idx);
+ let cb = Codebook::new(&mut cr, CodebookMode::MSB).unwrap();
+ ptr::write(&mut ac_i_cb[i], cb);
+ let mut cr = TableCodebookDescReader::new(&VP30_AC_INTER_CODES[i], &VP30_AC_INTER_BITS[i], map_idx);
+ let cb = Codebook::new(&mut cr, CodebookMode::MSB).unwrap();
+ ptr::write(&mut ac_p_cb[i], cb);
+ }
+ }
+ Self { dc_cb, ac_i_cb, ac_p_cb, mbtype_cb }
+ }
+}
+
struct VP31Codes {
dc_cb: [Codebook<u8>; 16],
ac0_cb: [Codebook<u8>; 16],
}
Self { dc_cb, ac0_cb, ac1_cb, ac2_cb, ac3_cb }
}
+ fn new_vp4() -> VP31Codes {
+ let mut dc_cb: [Codebook<u8>; 16];
+ let mut ac0_cb: [Codebook<u8>; 16];
+ let mut ac1_cb: [Codebook<u8>; 16];
+ let mut ac2_cb: [Codebook<u8>; 16];
+ let mut ac3_cb: [Codebook<u8>; 16];
+ unsafe {
+ dc_cb = mem::uninitialized();
+ ac0_cb = mem::uninitialized();
+ ac1_cb = mem::uninitialized();
+ ac2_cb = mem::uninitialized();
+ ac3_cb = mem::uninitialized();
+ for i in 0..16 {
+ let mut cr = TableCodebookDescReader::new(&VP40_DC_CODES[i], &VP40_DC_BITS[i], map_idx);
+ let cb = Codebook::new(&mut cr, CodebookMode::MSB).unwrap();
+ ptr::write(&mut dc_cb[i], cb);
+
+ let mut cr = TableCodebookDescReader::new(&VP40_AC_CAT0_CODES[i], &VP40_AC_CAT0_BITS[i], map_idx);
+ let cb = Codebook::new(&mut cr, CodebookMode::MSB).unwrap();
+ ptr::write(&mut ac0_cb[i], cb);
+ let mut cr = TableCodebookDescReader::new(&VP40_AC_CAT1_CODES[i], &VP40_AC_CAT1_BITS[i], map_idx);
+ let cb = Codebook::new(&mut cr, CodebookMode::MSB).unwrap();
+ ptr::write(&mut ac1_cb[i], cb);
+ let mut cr = TableCodebookDescReader::new(&VP40_AC_CAT2_CODES[i], &VP40_AC_CAT2_BITS[i], map_idx);
+ let cb = Codebook::new(&mut cr, CodebookMode::MSB).unwrap();
+ ptr::write(&mut ac2_cb[i], cb);
+ let mut cr = TableCodebookDescReader::new(&VP40_AC_CAT3_CODES[i], &VP40_AC_CAT3_BITS[i], map_idx);
+ let cb = Codebook::new(&mut cr, CodebookMode::MSB).unwrap();
+ ptr::write(&mut ac3_cb[i], cb);
+ }
+ }
+ VP31Codes { dc_cb, ac0_cb, ac1_cb, ac2_cb, ac3_cb }
+ }
+}
+
+struct VP40AuxCodes {
+ mv_x_cb: [Codebook<i8>; 7],
+ mv_y_cb: [Codebook<i8>; 7],
+ mbpat_cb: [Codebook<u8>; 2],
+}
+
+fn map_mv(idx: usize) -> i8 {
+ (idx as i8) - 31
+}
+
+impl VP40AuxCodes {
+ fn new() -> Self {
+ let mut mv_x_cb: [Codebook<i8>; 7];
+ let mut mv_y_cb: [Codebook<i8>; 7];
+ unsafe {
+ mv_x_cb = mem::uninitialized();
+ mv_y_cb = mem::uninitialized();
+ for i in 0..7 {
+ let mut cr = TableCodebookDescReader::new(&VP40_MV_X_CODES[i], &VP40_MV_X_BITS[i], map_mv);
+ let cb = Codebook::new(&mut cr, CodebookMode::MSB).unwrap();
+ ptr::write(&mut mv_x_cb[i], cb);
+ let mut cr = TableCodebookDescReader::new(&VP40_MV_Y_CODES[i], &VP40_MV_Y_BITS[i], map_mv);
+ let cb = Codebook::new(&mut cr, CodebookMode::MSB).unwrap();
+ ptr::write(&mut mv_y_cb[i], cb);
+ }
+ }
+ let mut cr0 = TableCodebookDescReader::new(&VP40_MBPAT_CODES[0], &VP40_MBPAT_BITS[0], map_idx);
+ let mut cr1 = TableCodebookDescReader::new(&VP40_MBPAT_CODES[1], &VP40_MBPAT_BITS[1], map_idx);
+ let mbpat_cb = [Codebook::new(&mut cr0, CodebookMode::MSB).unwrap(),
+ Codebook::new(&mut cr1, CodebookMode::MSB).unwrap()];
+ Self { mv_x_cb, mv_y_cb, mbpat_cb }
+ }
}
+#[allow(clippy::large_enum_variant)]
enum Codes {
None,
-// VP30(VP30Codes),
+ VP30(VP30Codes),
VP31(VP31Codes),
}
Ok(VP31_SHORT_RUN_BASE[pfx] + (br.read(VP31_SHORT_RUN_BITS[pfx])? as usize))
}
+fn read_mb_run(br: &mut BitReader) -> DecoderResult<usize> {
+ let pfx = br.read_code(UintCodeType::LimitedUnary(10, 0))? as usize;
+ if pfx == 10 { unimplemented!(); }
+ if pfx < 2 {
+ Ok(pfx + 1)
+ } else {
+ let base = (1 << (pfx - 1)) + 1;
+ let bits = (pfx - 1) as u8;
+ let add_bits = br.read(bits)? as usize;
+ Ok(base + add_bits)
+ }
+}
+
struct BitRunDecoder {
value: bool,
run: usize,
self.run = (self.read_run)(br)?;
}
self.run -= 1;
- Ok(self.value)
+ Ok(self.value)
+ }
+}
+
+const VP30_NE0_BITS: [u8; 5] = [ 2, 2, 3, 4, 8 ];
+const VP30_NE0_BASE: [usize; 5] = [ 1, 5, 9, 17, 33 ];
+fn vp30_read_ne_run0(br: &mut BitReader) -> DecoderResult<usize> {
+ let len = br.read_code(UintCodeType::LimitedUnary(4, 0))? as usize;
+ Ok(VP30_NE0_BASE[len] + (br.read(VP30_NE0_BITS[len])? as usize))
+}
+fn vp30_read_ne_run1(br: &mut BitReader) -> DecoderResult<usize> {
+ let len = br.read_code(UintCodeType::LimitedUnary(6, 0))? as usize;
+ if len == 0 {
+ Ok((br.read(1)? as usize) + 1)
+ } else if len < 6 {
+ Ok(len + 2)
+ } else {
+ Ok((br.read(8)? as usize) + 8)
+ }
+}
+fn vp30_read_coded_run0(br: &mut BitReader) -> DecoderResult<usize> {
+ let len = br.read_code(UintCodeType::LimitedUnary(5, 0))? as usize;
+ Ok(len + 1)
+}
+/*
+ 0 - 1
+ 11 - 2
+ 1000 - 3
+ 1010 - 4
+ 10011 - 5
+ 10111 - 6
+ 10010 - 7 + get_bits(3)
+ 101100 - 15 + get_bits(5)
+ 1011010 - 47 + get_bits(8)
+ 1011011 - 303 + get_bits(16)
+ */
+const VP30_CRUN1_LUT: [u8; 32] = [
+ 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11,
+ 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11,
+ 0x34, 0x34, 0x75, 0x55, 0x44, 0x44, 0x85, 0x65,
+ 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22
+];
+fn vp30_read_coded_run1(br: &mut BitReader) -> DecoderResult<usize> {
+ let idx = br.peek(5) as usize;
+ let sym = (VP30_CRUN1_LUT[idx] >> 4) as usize;
+ let bits = VP30_CRUN1_LUT[idx] & 0xF;
+ br.skip(u32::from(bits))?;
+ if sym < 7 {
+ Ok(sym)
+ } else if sym == 7 {
+ Ok(7 + (br.read(3)? as usize))
+ } else {
+ let len = br.read_code(UintCodeType::Unary012)?;
+ match len {
+ 0 => Ok(15 + (br.read(5)? as usize)),
+ 1 => Ok(47 + (br.read(8)? as usize)),
+ _ => Ok(303 + (br.read(16)? as usize)),
+ }
}
}
mb_h: usize,
version: u8,
is_intra: bool,
+ update_gf: bool,
quant: usize,
shuf: VPShuffler,
codes: Codes,
+ aux_codes: Option<VP40AuxCodes>,
loop_str: i16,
+ mc_buf: NAVideoBufferRef<u8>,
blocks: Vec<Block>,
+ mb_coded: Vec<bool>,
+ mb_partial: Vec<bool>,
y_blocks: usize,
y_sbs: usize,
qmat_y: [i16; 64],
qmat_c: [i16; 64],
- qmat_inter: [i16; 64],
+ qmat_y_p: [i16; 64],
+ qmat_c_p: [i16; 64],
eob_run: usize,
last_dc: [i16; 3],
blk_addr: Vec<usize>,
+ blk_sub: Vec<u8>,
sb_info: Vec<SBState>,
sb_blocks: Vec<u8>,
+ sb_mbs: Vec<u8>,
+ mb_blocks: Vec<u8>,
+}
+
+fn vp30_read_mv_comp(br: &mut BitReader) -> DecoderResult<i16> {
+ let mode = br.read(2)?;
+ if mode == 0 { return Ok(0); }
+ let sign = br.read_bool()?;
+ let val = match mode - 1 {
+ 0 => 1,
+ 1 => 2 + (br.read(2)? as i16),
+ _ => br.read(5)? as i16,
+ };
+ if !sign {
+ Ok(val)
+ } else {
+ Ok(-val)
+ }
+}
+
+fn vp30_read_mv(br: &mut BitReader) -> DecoderResult<MV> {
+ let x = vp30_read_mv_comp(br)?;
+ let y = vp30_read_mv_comp(br)?;
+ Ok(MV{ x, y })
}
fn read_mv_comp_packed(br: &mut BitReader) -> DecoderResult<i16> {
Ok(MV{ x, y })
}
-fn rescale_qmat(dst_qmat: &mut [i16; 64], base_qmat: &[i16; 64], dc_quant: i16, ac_quant: i16) {
+fn rescale_qmat(dst_qmat: &mut [i16; 64], base_qmat: &[i16; 64], dc_quant: i16, ac_quant: i16, minval: i16) {
for (dst, src) in dst_qmat.iter_mut().zip(base_qmat.iter()) {
- *dst = (src.wrapping_mul(ac_quant) / 100).max(2) << 2;
+ *dst = (src.wrapping_mul(ac_quant) / 100).max(minval) << 2;
}
- dst_qmat[0] = (base_qmat[0] * dc_quant / 100).max(4) << 2;
+ dst_qmat[0] = (base_qmat[0] * dc_quant / 100).max(minval * 2) << 2;
}
-fn expand_token(blk: &mut Block, br: &mut BitReader, eob_run: &mut usize, coef_no: usize, token: u8) -> DecoderResult<()> {
+fn rescale_qmat_vp4(dst_qmat: &mut [i16; 64], base_qmat: &[i16; 64], dc_quant: i16, ac_quant: i16, is_intra: bool) {
+ let (bias, minval) = if is_intra { (3, 4) } else { (6, 8) };
+ for (dst, src) in dst_qmat.iter_mut().zip(base_qmat.iter()) {
+ *dst = ((src - bias).wrapping_mul(ac_quant) / 100 + bias) << 2;
+ }
+ dst_qmat[0] = (base_qmat[0] * dc_quant / 100).max(minval) << 2;
+}
+
+fn expand_token(blk: &mut Block, br: &mut BitReader, eob_run: &mut usize, token: u8) -> DecoderResult<()> {
match token {
// EOBs
0 | 1 | 2 => { *eob_run = (token as usize) + 1; },
if *eob_run > 0 {
blk.idx = 64;
*eob_run -= 1;
- } else if coef_no > 0 {
+ } else if (token > 8) && (blk.idx > 1) {
blk.has_ac = true;
}
Ok(())
}
+
macro_rules! fill_dc_pred {
($self: expr, $ref_id: expr, $pred: expr, $pp: expr, $bit: expr, $idx: expr) => {
if $self.blocks[$idx].coded && $self.blocks[$idx].btype.get_ref_id() == $ref_id {
- $pred[$bit] = $self.blocks[$idx].coeffs[0] as i32;
+ $pred[$bit] = i32::from($self.blocks[$idx].coeffs[0]);
$pp |= 1 << $bit;
}
};
}
-fn vp3_interp00(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, bw: usize, bh: usize)
-{
- let mut didx = 0;
- let mut sidx = 0;
- for _ in 0..bh {
- for x in 0..bw { dst[didx + x] = src[sidx + x]; }
- didx += dstride;
- sidx += sstride;
- }
-}
-
-fn vp3_interp01(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, bw: usize, bh: usize)
-{
- let mut didx = 0;
- let mut sidx = 0;
- for _ in 0..bh {
- for x in 0..bw { dst[didx + x] = (((src[sidx + x] as u16) + (src[sidx + x + 1] as u16)) >> 1) as u8; }
- didx += dstride;
- sidx += sstride;
- }
-}
-
-fn vp3_interp10(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, bw: usize, bh: usize)
-{
- let mut didx = 0;
- let mut sidx = 0;
- for _ in 0..bh {
- for x in 0..bw { dst[didx + x] = (((src[sidx + x] as u16) + (src[sidx + x + sstride] as u16)) >> 1) as u8; }
- didx += dstride;
- sidx += sstride;
- }
-}
-
-fn vp3_interp11(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, bw: usize, bh: usize)
-{
- let mut didx = 0;
- let mut sidx = 0;
- for _ in 0..bh {
- for x in 0..bw {
- dst[didx + x] = (((src[sidx + x] as u16) +
- (src[sidx + x + 1] as u16) +
- (src[sidx + x + sstride] as u16) +
- (src[sidx + x + sstride + 1] as u16)) >> 2) as u8;
- }
- didx += dstride;
- sidx += sstride;
- }
-}
-
-fn vp31_loop_filter(data: &mut [u8], mut off: usize, step: usize, stride: usize, loop_str: i16) {
- for _ in 0..8 {
- let a = data[off - step * 2] as i16;
- let b = data[off - step] as i16;
- let c = data[off] as i16;
- let d = data[off + step] as i16;
- let mut diff = ((a - d) + 3 * (c - b) + 4) >> 3;
- if diff.abs() >= 2 * loop_str {
- diff = 0;
- } else if diff.abs() >= loop_str {
- if diff < 0 {
- diff = -diff - 2 * loop_str;
- } else {
- diff = -diff + 2 * loop_str;
- }
- }
- if diff != 0 {
- data[off - step] = (b + diff).max(0).min(255) as u8;
- data[off] = (c - diff).max(0).min(255) as u8;
- }
-
- off += stride;
- }
-}
-
fn vp31_loop_filter_v(frm: &mut NASimpleVideoFrame<u8>, x: usize, y: usize, plane: usize, loop_str: i16) {
let off = frm.offset[plane] + x + y * frm.stride[plane];
- vp31_loop_filter(frm.data, off, 1, frm.stride[plane], loop_str);
+ vp31_loop_filter(frm.data, off, 1, frm.stride[plane], 8, loop_str);
}
fn vp31_loop_filter_h(frm: &mut NASimpleVideoFrame<u8>, x: usize, y: usize, plane: usize, loop_str: i16) {
let off = frm.offset[plane] + x + y * frm.stride[plane];
- vp31_loop_filter(frm.data, off, frm.stride[plane], 1, loop_str);
+ vp31_loop_filter(frm.data, off, frm.stride[plane], 1, 8, loop_str);
}
-pub const VP3_INTERP_FUNCS: &[blockdsp::BlkInterpFunc] = &[ vp3_interp00, vp3_interp01, vp3_interp10, vp3_interp11 ];
+fn vp3_mv_mode(mvx: i16, mvy: i16) -> usize {
+ let mode = ((mvx & 1) + (mvy & 1) * 2) as usize;
+ if (mode == 3) && (mvx ^ mvy < 0) {
+ 4
+ } else {
+ mode
+ }
+}
impl VP34Decoder {
fn new(version: u8) -> Self {
+ let vt = alloc_video_buffer(NAVideoInfo::new(24, 24, false, YUV420_FORMAT), 4).unwrap();
+ let mc_buf = vt.get_vbuf().unwrap();
Self {
info: NACodecInfoRef::default(),
width: 0,
mb_h: 0,
version,
is_intra: true,
+ update_gf: false,
quant: 0,
shuf: VPShuffler::new(),
codes: Codes::None,
+ aux_codes: None,
loop_str: 0,
+ mc_buf,
blocks: Vec::new(),
+ mb_coded: Vec::new(),
+ mb_partial: Vec::new(),
y_blocks: 0,
y_sbs: 0,
qmat_y: [0; 64],
qmat_c: [0; 64],
- qmat_inter: [0; 64],
+ qmat_y_p: [0; 64],
+ qmat_c_p: [0; 64],
eob_run: 0,
last_dc: [0; 3],
blk_addr: Vec::new(),
+ blk_sub: Vec::new(),
sb_info: Vec::new(),
sb_blocks: Vec::new(),
+ sb_mbs: Vec::new(),
+ mb_blocks: Vec::new(),
}
}
fn parse_header(&mut self, br: &mut BitReader) -> DecoderResult<()> {
self.is_intra = !br.read_bool()?;
br.skip(1)?;
self.quant = br.read(6)? as usize;
- self.loop_str = VP31_LOOP_STRENGTH[self.quant];
-println!("quant = {}", self.quant);
if self.is_intra {
if br.peek(8) != 0 {
- unimplemented!();
- }
- let version = br.read(13)?;
-println!("intra, ver {} (self {})", version, self.version);
- let coding_type = br.read(1)?;
- validate!(coding_type == 0);
- br.skip(2)?;
- if version == 1 {
- validate!(self.version == 3 || self.version == 31);
+ validate!(self.version == 3 || self.version == 30);
+ let mb_w = br.read(8)? as usize;
+ let mb_h = br.read(8)? as usize;
+ validate!(mb_w == self.mb_w && mb_h == self.mb_h);
if self.version == 3 {
- self.version = 31;
- self.codes = Codes::VP31(VP31Codes::new());
+ self.version = 30;
+ self.codes = Codes::VP30(VP30Codes::new());
}
- } else if version == 2 {
- validate!(self.version == 4);
- unimplemented!();
} else {
- return Err(DecoderError::InvalidData);
+ let version = br.read(13)?;
+ let coding_type = br.read(1)?;
+ validate!(coding_type == 0);
+ br.skip(2)?;
+ if version == 1 {
+ validate!(self.version == 3 || self.version == 31);
+ if self.version == 3 {
+ self.version = 31;
+ self.codes = Codes::VP31(VP31Codes::new());
+ }
+ } else if version == 3 {
+ validate!(self.version == 4);
+ let mb_h = br.read(8)? as usize;
+ let mb_w = br.read(8)? as usize;
+ validate!(mb_w == self.mb_w && mb_h == self.mb_h);
+ let fact1 = br.read(5)?;
+ let fact2 = br.read(3)?;
+ validate!(fact1 == 1 && fact2 == 1);
+ let fact1 = br.read(5)?;
+ let fact2 = br.read(3)?;
+ validate!(fact1 == 1 && fact2 == 1);
+ br.skip(2)?;
+ } else {
+ return Err(DecoderError::InvalidData);
+ }
}
}
+ self.loop_str = if self.version != 4 {
+ VP31_LOOP_STRENGTH[self.quant]
+ } else {
+ VP40_LOOP_STRENGTH[self.quant]
+ };
Ok(())
}
+ fn vp30_unpack_sb_info(&mut self, br: &mut BitReader) -> DecoderResult<()> {
+ let mut has_nonempty = false;
+ {
+ let mut bit = !br.read_bool()?;
+ let mut run = 0;
+ for sb in self.sb_info.iter_mut() {
+ if run == 0 {
+ bit = !bit;
+ run = if bit { vp30_read_ne_run1(br)? } else { vp30_read_ne_run0(br)? };
+ }
+ *sb = if bit { has_nonempty = true; SBState::Partial } else { SBState::Uncoded };
+ run -= 1;
+ }
+ validate!(run == 0);
+ }
+ if has_nonempty {
+ for el in self.mb_coded.iter_mut() { *el = false; }
+ let mut bit = !br.read_bool()?;
+ let mut run = 0;
+ let mut mbiter = self.mb_coded.iter_mut();
+ for (sb, nmb) in self.sb_info.iter_mut().zip(self.sb_mbs.iter()) {
+ let nmbs = *nmb as usize;
+ if *sb == SBState::Partial {
+ for _ in 0..nmbs {
+ if run == 0 {
+ bit = !bit;
+ run = if bit { vp30_read_coded_run1(br)? } else { vp30_read_coded_run0(br)? };
+ }
+ run -= 1;
+ *mbiter.next().unwrap() = bit;
+ }
+ } else {
+ for _ in 0..nmbs {
+ mbiter.next().unwrap();
+ }
+ }
+ }
+ validate!(run == 0);
+ let mut bit = !br.read_bool()?;
+ let mut run = 0;
+ let mut cur_blk = 0;
+ for (coded, nblk) in self.mb_coded.iter().zip(self.mb_blocks.iter()) {
+ let nblks = *nblk as usize;
+ if *coded {
+ let mut cb = [false; 4];
+ for j in 0..nblks {
+ if run == 0 {
+ bit = !bit;
+ run = if bit { vp30_read_coded_run1(br)? } else { vp30_read_coded_run0(br)? };
+ }
+ run -= 1;
+ cb[j] = bit;
+ }
+ for j in 0..nblks {
+ let addr = self.blk_addr[cur_blk + j] >> 2;
+ self.blocks[addr].coded = cb[j];
+ }
+ }
+ cur_blk += nblks;
+ }
+ validate!(run == 0);
+ }
+ Ok(())
+ }
+ fn vp30_unpack_mb_info(&mut self, br: &mut BitReader) -> DecoderResult<()> {
+ let mut cur_blk = 0;
+ if let Codes::VP30(ref codes) = self.codes {
+ for (sb, nblk) in self.sb_info.iter_mut().zip(self.sb_blocks.iter()).take(self.y_sbs) {
+ let nblks = *nblk as usize;
+ if *sb == SBState::Uncoded {
+ for _ in 0..nblks {
+ self.blocks[self.blk_addr[cur_blk] >> 2].btype = VPMBType::InterNoMV;
+ cur_blk += 1;
+ }
+ } else {
+ for _ in 0..nblks/4 {
+ let mut coded = *sb == SBState::Coded;
+ if !coded {
+ for blk in 0..4 {
+ if self.blocks[self.blk_addr[cur_blk + blk] >> 2].coded {
+ coded = true;
+ break;
+ }
+ }
+ }
+ let mode = if !coded {
+ VPMBType::InterNoMV
+ } else {
+ br.read_cb(&codes.mbtype_cb)?
+ };
+ for _ in 0..4 {
+ self.blocks[self.blk_addr[cur_blk] >> 2].btype = mode;
+ cur_blk += 1;
+ }
+ }
+ }
+ }
+ } else {
+ return Err(DecoderError::Bug);
+ }
+ // replicate types for chroma
+ let mut off_y = 0;
+ let mut off_u = self.y_blocks;
+ let mut off_v = off_u + self.mb_w * self.mb_h;
+ for _blk_y in 0..self.mb_h {
+ for blk_x in 0..self.mb_w {
+ let btype = self.blocks[off_y + blk_x * 2].btype;
+ self.blocks[off_u + blk_x].btype = btype;
+ self.blocks[off_v + blk_x].btype = btype;
+ }
+ off_y += self.mb_w * 2 * 2;
+ off_u += self.mb_w;
+ off_v += self.mb_w;
+ }
+ Ok(())
+ }
+ fn vp30_unpack_mv_info(&mut self, br: &mut BitReader) -> DecoderResult<()> {
+ let mut last_mv = ZERO_MV;
+
+ let mut cur_blk = 0;
+ for _ in 0..self.y_blocks/4 {
+ let baddr = self.blk_addr[cur_blk] >> 2;
+ if self.blocks[baddr].btype == VPMBType::InterFourMV {
+ 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);
+ for i in 0..4 {
+ let blk = &mut self.blocks[saddr + (i & 1) + (i & 2) * self.mb_w];
+ if blk.coded {
+ blk.mv = vp30_read_mv(br)?;
+ }
+ cur_blk += 1;
+ }
+ } else {
+ let cur_mv;
+ match self.blocks[baddr].btype {
+ VPMBType::Intra | VPMBType::InterNoMV | VPMBType::GoldenNoMV => {
+ cur_mv = ZERO_MV;
+ },
+ VPMBType::InterMV => {
+ cur_mv = vp30_read_mv(br)?;
+ last_mv = cur_mv;
+ },
+ VPMBType::InterNearest => {
+ cur_mv = last_mv;
+ },
+ _ => { // GoldenMV
+ cur_mv = vp30_read_mv(br)?;
+ },
+ };
+ for _ in 0..4 {
+ self.blocks[self.blk_addr[cur_blk] >> 2].mv = cur_mv;
+ cur_blk += 1;
+ }
+ }
+ }
+ Ok(())
+ }
+ fn vp30_unpack_coeffs(&mut self, br: &mut BitReader, coef_no: usize, table: usize) -> DecoderResult<()> {
+ if let Codes::VP30(ref codes) = self.codes {
+ for blkaddr in self.blk_addr.iter() {
+ let blk: &mut Block = &mut self.blocks[blkaddr >> 2];
+ if !blk.coded || blk.idx != coef_no { continue; }
+ if self.eob_run > 0 {
+ blk.idx = 64;
+ self.eob_run -= 1;
+ continue;
+ }
+ let cb = if coef_no == 0 {
+ &codes.dc_cb[table]
+ } else if blk.btype.is_intra() {
+ &codes.ac_i_cb[table]
+ } else {
+ &codes.ac_p_cb[table]
+ };
+ let token = br.read_cb(cb)?;
+ expand_token(blk, br, &mut self.eob_run, token)?;
+ }
+ Ok(())
+ } else {
+ Err(DecoderError::Bug)
+ }
+ }
fn vp31_unpack_sb_info(&mut self, br: &mut BitReader) -> DecoderResult<()> {
let mut has_uncoded = false;
let mut has_partial = false;
let mut cur_blk = 0;
for _ in 0..self.y_blocks/4 {
if self.blocks[self.blk_addr[cur_blk] >> 2].btype == VPMBType::InterFourMV {
- for _ in 0..4 {
- let blk = &mut self.blocks[self.blk_addr[cur_blk] >> 2];
- if blk.coded {
- blk.mv = (read_mv)(br)?;
- last2_mv = last_mv;
- last_mv = blk.mv;
- }
- cur_blk += 1;
- }
+ let a0 = self.blk_addr[cur_blk + 0] >> 2;
+ let a1 = self.blk_addr[cur_blk + 1] >> 2;
+ let a2 = self.blk_addr[cur_blk + 2] >> 2;
+ let a3 = self.blk_addr[cur_blk + 3] >> 2;
+ let first = a0.min(a1).min(a2).min(a3);
+ let last = a0.max(a1).max(a2).max(a3);
+ self.blocks[first + 0].mv = (read_mv)(br)?;
+ self.blocks[first + 1].mv = (read_mv)(br)?;
+ self.blocks[last - 1].mv = (read_mv)(br)?;
+ self.blocks[last + 0].mv = (read_mv)(br)?;
+ last2_mv = last_mv;
+ last_mv = self.blocks[last].mv;
+ cur_blk += 4;
} else {
let cur_mv;
match self.blocks[self.blk_addr[cur_blk] >> 2].btype {
}
let cb = if (blkaddr & 3) == 0 { cbs[0] } else { cbs[1] };
let token = br.read_cb(cb)?;
- expand_token(blk, br, &mut self.eob_run, coef_no, token)?;
+ expand_token(blk, br, &mut self.eob_run, token)?;
+ }
+ Ok(())
+ } else {
+ Err(DecoderError::Bug)
+ }
+ }
+ fn vp40_unpack_sb_info(&mut self, br: &mut BitReader) -> DecoderResult<()> {
+ let mut has_uncoded = false;
+
+ if let Some(ref aux_codes) = self.aux_codes {
+ for el in self.sb_info.iter_mut() {
+ *el = SBState::Partial;
+ }
+ {
+ let mut mbiter = self.mb_coded.iter_mut();
+ let mut brun = BitRunDecoder::new(br, read_mb_run)?;
+ for nmb in self.sb_mbs.iter() {
+ let nmbs = *nmb as usize;
+ for _ in 0..nmbs {
+ let coded = brun.get_val(br)?;
+ *mbiter.next().unwrap() = coded;
+ has_uncoded |= !coded;
+ }
+ }
+ }
+ if has_uncoded {
+ let mut mbiter = self.mb_coded.iter().zip(self.mb_partial.iter_mut());
+ let mut brun = BitRunDecoder::new(br, read_mb_run)?;
+ for nmb in self.sb_mbs.iter() {
+ let nmbs = *nmb as usize;
+ for _ in 0..nmbs {
+ let (coded, partial) = mbiter.next().unwrap();
+ if *coded {
+ *partial = false;
+ } else {
+ *partial = brun.get_val(br)?;
+ }
+ }
+ }
+
+ let mut bpmode = 0;
+ let mut cur_blk = 0;
+ for ((coded, partial), nblk) in self.mb_coded.iter().zip(self.mb_partial.iter()).zip(self.mb_blocks.iter()) {
+ let nblks = *nblk as usize;
+ if *coded {
+ for _ in 0..nblks {
+ let addr = self.blk_addr[cur_blk] >> 2;
+ self.blocks[addr].coded = true;
+ cur_blk += 1;
+ }
+ } else if !*partial {
+ for _ in 0..nblks {
+ let addr = self.blk_addr[cur_blk] >> 2;
+ self.blocks[addr].coded = false;
+ cur_blk += 1;
+ }
+ } else {
+ let mut pat = br.read_cb(&aux_codes.mbpat_cb[bpmode])? + 1;
+ bpmode = VP40_BP_PREDICTOR[pat as usize] as usize;
+
+ let mut addrs = [0; 4];
+ for i in 0..nblks {
+ addrs[i] = self.blk_addr[cur_blk + i] >> 2;
+ for j in (0..i).rev() {
+ if addrs[j] > addrs[j + 1] {
+ addrs.swap(j, j + 1);
+ }
+ }
+ }
+ for i in 0..nblks {
+ self.blocks[addrs[i]].coded = (pat & 8) != 0;
+ pat <<= 1;
+ cur_blk += 1;
+ }
+ }
+ }
+ }
+ Ok(())
+ } else {
+ Err(DecoderError::Bug)
+ }
+ }
+ fn vp40_unpack_mv_info(&mut self, br: &mut BitReader) -> DecoderResult<()> {
+ let mut last_mv = ZERO_MV;
+ let mut last2_mv = ZERO_MV;
+ let mut last_mv_g = ZERO_MV;
+
+ let mut cur_blk = 0;
+ if let Some(ref codes) = self.aux_codes {
+ for _ in 0..self.y_blocks/4 {
+ if self.blocks[self.blk_addr[cur_blk] >> 2].btype == VPMBType::InterFourMV {
+ let x_cb = &codes.mv_x_cb[VP40_MV_LUT_INDEX[last_mv.x.abs() as usize]];
+ let y_cb = &codes.mv_y_cb[VP40_MV_LUT_INDEX[last_mv.y.abs() as usize]];
+ let x_sign = last_mv.x < 0;
+ let y_sign = last_mv.y < 0;
+ last2_mv = last_mv;
+ 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);
+ for i in 0..4 {
+ let blk = &mut self.blocks[saddr + (i & 1) + (i >> 1) * self.mb_w * 2];
+ blk.mv.x = i16::from(br.read_cb(x_cb)?);
+ if x_sign {
+ blk.mv.x = -blk.mv.x;
+ }
+ blk.mv.y = i16::from(br.read_cb(y_cb)?);
+ if y_sign {
+ blk.mv.y = -blk.mv.y;
+ }
+ last_mv = blk.mv;
+ cur_blk += 1;
+ }
+ } else {
+ let cur_mv;
+ match self.blocks[self.blk_addr[cur_blk] >> 2].btype {
+ VPMBType::Intra | VPMBType::InterNoMV | VPMBType::GoldenNoMV => {
+ cur_mv = ZERO_MV;
+ },
+ VPMBType::InterMV => {
+ let x_cb = &codes.mv_x_cb[VP40_MV_LUT_INDEX[last_mv.x.abs() as usize]];
+ let y_cb = &codes.mv_y_cb[VP40_MV_LUT_INDEX[last_mv.y.abs() as usize]];
+ let x_sign = last_mv.x < 0;
+ let y_sign = last_mv.y < 0;
+ let x = i16::from(br.read_cb(x_cb)?);
+ let y = i16::from(br.read_cb(y_cb)?);
+ cur_mv = MV { x: if !x_sign { x } else { -x }, y: if !y_sign { y } else { -y } };
+ last2_mv = last_mv;
+ last_mv = cur_mv;
+ },
+ VPMBType::InterNearest => {
+ cur_mv = last_mv;
+ },
+ VPMBType::InterNear => {
+ cur_mv = last2_mv;
+ std::mem::swap(&mut last_mv, &mut last2_mv);
+ },
+ _ => { // GoldenMV
+ let x_cb = &codes.mv_x_cb[VP40_MV_LUT_INDEX[last_mv_g.x.abs() as usize]];
+ let y_cb = &codes.mv_y_cb[VP40_MV_LUT_INDEX[last_mv_g.y.abs() as usize]];
+ let x_sign = last_mv_g.x < 0;
+ let y_sign = last_mv_g.y < 0;
+ let x = i16::from(br.read_cb(x_cb)?);
+ let y = i16::from(br.read_cb(y_cb)?);
+ cur_mv = MV { x: if !x_sign { x } else { -x }, y: if !y_sign { y } else { -y } };
+ last_mv_g = cur_mv;
+ },
+ };
+ for _ in 0..4 {
+ self.blocks[self.blk_addr[cur_blk] >> 2].mv = cur_mv;
+ cur_blk += 1;
+ }
+ }
+ }
+ Ok(())
+ } else {
+ Err(DecoderError::Bug)
+ }
+ }
+ 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<()> {
+ const VP40_PRED_MASKS: [usize; 16] = [ // top, bottom, left, right
+ 0b1010, 0b1010, 0b1000, 0b1011,
+ 0b1010, 0b1010, 0b0010, 0b1110,
+ 0b0010, 0b1010, 0b0010, 0b0110,
+ 0b0100, 0b0111, 0b1110, 0b1110
+ ];
+ self.last_dc = [0; 3];
+ if let Codes::VP31(ref codes) = self.codes {
+ let mut coef_eob: [usize; 64] = [0; 64];
+ for (blkaddr, bsub) in self.blk_addr.iter().zip(self.blk_sub.iter()) {
+ let blk: &mut Block = &mut self.blocks[blkaddr >> 2];
+ if !blk.coded { continue; }
+ let mut idx = blkaddr >> 2;
+ let (bx, by) = if (blkaddr & 3) == 0 {
+ (idx % (self.mb_w * 2), idx / (self.mb_w * 2))
+ } else {
+ idx -= self.mb_w * self.mb_h * 4;
+ if idx >= self.mb_w * self.mb_h {
+ idx -= self.mb_w * self.mb_h;
+ }
+ (idx % self.mb_w, idx / self.mb_w)
+ };
+ while blk.idx < 64 {
+ if coef_eob[blk.idx] > 0 {
+ coef_eob[blk.idx] -= 1;
+ blk.idx = 64;
+ continue;
+ }
+ let cbs = if blk.idx == 0 {
+ [&codes.dc_cb[dc_table_y], &codes.dc_cb[dc_table_c]]
+ } else if blk.idx < 6 {
+ [&codes.ac0_cb[ac_table_y], &codes.ac0_cb[ac_table_c]]
+ } else if blk.idx < 15 {
+ [&codes.ac1_cb[ac_table_y], &codes.ac1_cb[ac_table_c]]
+ } else if blk.idx < 28 {
+ [&codes.ac2_cb[ac_table_y], &codes.ac2_cb[ac_table_c]]
+ } else {
+ [&codes.ac3_cb[ac_table_y], &codes.ac3_cb[ac_table_c]]
+ };
+ let cb = if (blkaddr & 3) == 0 { cbs[0] } else { cbs[1] };
+ let token = br.read_cb(cb)?;
+ expand_token(blk, br, &mut coef_eob[blk.idx], token)?;
+ if blk.idx == 64 { break; }
+ }
+ let idx = blkaddr >> 2;
+ let mask = VP40_PRED_MASKS[*bsub as usize];
+ if (blkaddr & 3) == 0 {
+ let pred_dc = self.vp40_predict_dc(bx, by, self.mb_w * 2, self.mb_h * 2, idx, mask, true);
+ let blk: &mut Block = &mut self.blocks[blkaddr >> 2];
+ blk.coeffs[0] += pred_dc;
+ self.last_dc[blk.btype.get_ref_id() as usize] = blk.coeffs[0];
+ } else {
+ let pred_dc = self.vp40_predict_dc(bx, by, self.mb_w, self.mb_h, idx, mask, false);
+ let blk: &mut Block = &mut self.blocks[blkaddr >> 2];
+ blk.coeffs[0] += pred_dc;
+ self.last_dc[blk.btype.get_ref_id() as usize] = blk.coeffs[0];
+ }
}
Ok(())
} else {
- Err(DecoderError::Bug)
+ Err(DecoderError::Bug)
+ }
+ }
+ fn decode_vp30(&mut self, br: &mut BitReader, frm: &mut NASimpleVideoFrame<u8>) -> DecoderResult<()> {
+ for blk in self.blocks.iter_mut() {
+ blk.coeffs = [0; 64];
+ blk.idx = 0;
+ blk.coded = false;
+ blk.has_ac = false;
+ }
+ if self.is_intra {
+ for sb in self.sb_info.iter_mut() { *sb = SBState::Coded; }
+ for blk in self.blocks.iter_mut() {
+ blk.btype = VPMBType::Intra;
+ blk.coded = true;
+ }
+ } else {
+ if self.shuf.get_last().is_none() || self.shuf.get_golden().is_none() {
+ return Err(DecoderError::MissingReference);
+ }
+ self.vp30_unpack_sb_info(br)?;
+ self.vp30_unpack_mb_info(br)?;
+ self.vp30_unpack_mv_info(br)?;
+ }
+ let dc_quant = VP30_DC_SCALES[self.quant] * 10;
+ let ac_quant = VP30_AC_SCALES[self.quant];
+
+ self.update_gf = ac_quant <= 50;
+
+ rescale_qmat(&mut self.qmat_y, VP3_QMAT_Y, dc_quant, ac_quant, 2);
+ rescale_qmat(&mut self.qmat_c, VP3_QMAT_C, dc_quant, ac_quant, 2);
+ rescale_qmat(&mut self.qmat_y_p, VP3_QMAT_INTER, dc_quant, ac_quant, 4);
+ if self.quant == 10 {
+ self.qmat_y[29] = 980;
+ self.qmat_y[58] = 1636;
+ self.qmat_y[59] = 1964;
+ } else if self.quant == 31 {
+ self.qmat_y[58] = 456;
+ } else if self.quant == 44 {
+ self.qmat_y[58] = 224;
+ }
+ self.qmat_c_p.copy_from_slice(&self.qmat_y_p);
+
+ let table = if ac_quant <= 50 {
+ 0
+ } else if ac_quant <= 150 {
+ 1
+ } else if ac_quant <= 300 {
+ 2
+ } else if ac_quant <= 600 {
+ 3
+ } else {
+ 4
+ };
+
+ self.eob_run = 0;
+ self.vp30_unpack_coeffs(br, 0, table)?;
+ let mut last_dc_i = 0;
+ let mut last_dc_p = 0;
+ for blkaddr in self.blk_addr.iter() {
+ let blk: &mut Block = &mut self.blocks[blkaddr >> 2];
+ if !blk.coded { continue; }
+ if blk.btype.is_intra() {
+ blk.coeffs[0] += last_dc_i;
+ last_dc_i = blk.coeffs[0];
+ } else {
+ blk.coeffs[0] += last_dc_p;
+ last_dc_p = blk.coeffs[0];
+ }
+ }
+
+ for coef_no in 1..64 {
+ self.vp30_unpack_coeffs(br, coef_no, table)?;
+ }
+
+ if self.is_intra {
+ self.output_blocks_intra(frm);
+ } else {
+ self.output_blocks_inter(frm);
+ }
+
+ Ok(())
+ }
+ fn decode_vp31(&mut self, br: &mut BitReader, frm: &mut NASimpleVideoFrame<u8>) -> DecoderResult<()> {
+ for blk in self.blocks.iter_mut() {
+ blk.coeffs = [0; 64];
+ blk.idx = 0;
+ blk.coded = false;
+ blk.has_ac = false;
+ }
+ if self.is_intra {
+ for sb in self.sb_info.iter_mut() { *sb = SBState::Coded; }
+ for blk in self.blocks.iter_mut() {
+ blk.btype = VPMBType::Intra;
+ blk.coded = true;
+ }
+ } else {
+ if self.shuf.get_last().is_none() || self.shuf.get_golden().is_none() {
+ return Err(DecoderError::MissingReference);
+ }
+ self.vp31_unpack_sb_info(br)?;
+ self.vp31_unpack_mb_info(br)?;
+ self.vp31_unpack_mv_info(br)?;
+ }
+ let dc_quant = VP31_DC_SCALES[self.quant];
+ let ac_quant = VP31_AC_SCALES[self.quant];
+ rescale_qmat(&mut self.qmat_y, VP3_QMAT_Y, dc_quant, ac_quant, 2);
+ rescale_qmat(&mut self.qmat_c, VP3_QMAT_C, dc_quant, ac_quant, 2);
+ rescale_qmat(&mut self.qmat_y_p, VP3_QMAT_INTER, dc_quant, ac_quant, 4);
+ rescale_qmat(&mut self.qmat_c_p, VP3_QMAT_INTER, dc_quant, ac_quant, 4);
+
+ self.eob_run = 0;
+ let dc_table_y = br.read(4)? as usize;
+ let dc_table_c = br.read(4)? as usize;
+ self.vp31_unpack_coeffs(br, 0, dc_table_y, dc_table_c)?;
+ self.restore_dcs();
+
+ let ac_table_y = br.read(4)? as usize;
+ let ac_table_c = br.read(4)? as usize;
+ for coef_no in 1..64 {
+ self.vp31_unpack_coeffs(br, coef_no, ac_table_y, ac_table_c)?;
+ }
+
+ if self.is_intra {
+ self.output_blocks_intra(frm);
+ } else {
+ self.output_blocks_inter(frm);
+ }
+ if self.loop_str > 0 {
+ self.vp31_loop_filter(frm);
}
+
+ Ok(())
}
- fn decode_vp31(&mut self, br: &mut BitReader, frm: &mut NASimpleVideoFrame<u8>) -> DecoderResult<()> {
+ fn decode_vp4(&mut self, br: &mut BitReader, frm: &mut NASimpleVideoFrame<u8>) -> DecoderResult<()> {
for blk in self.blocks.iter_mut() {
blk.coeffs = [0; 64];
blk.idx = 0;
if self.shuf.get_last().is_none() || self.shuf.get_golden().is_none() {
return Err(DecoderError::MissingReference);
}
- self.vp31_unpack_sb_info(br)?;
+ self.vp40_unpack_sb_info(br)?;
self.vp31_unpack_mb_info(br)?;
- self.vp31_unpack_mv_info(br)?;
+ self.vp40_unpack_mv_info(br)?;
}
- let dc_quant = VP31_DC_SCALES[self.quant];
- let ac_quant = VP31_AC_SCALES[self.quant];
- rescale_qmat(&mut self.qmat_y, VP3_QMAT_Y, dc_quant, ac_quant);
- rescale_qmat(&mut self.qmat_c, VP3_QMAT_C, dc_quant, ac_quant);
- rescale_qmat(&mut self.qmat_inter, VP3_QMAT_INTER, dc_quant, ac_quant);
+ let dc_y_quant = VP40_DC_Y_SCALES[self.quant];
+ let dc_c_quant = VP40_DC_C_SCALES[self.quant];
+ let ac_quant = VP40_AC_SCALES[self.quant];
+ rescale_qmat_vp4(&mut self.qmat_y, VP40_QMAT, dc_y_quant, ac_quant, true);
+ rescale_qmat_vp4(&mut self.qmat_y_p, VP40_QMAT, dc_c_quant, ac_quant, false);
+ self.qmat_c.copy_from_slice(&self.qmat_y);
+ self.qmat_c_p.copy_from_slice(&self.qmat_y_p);
self.eob_run = 0;
let dc_table_y = br.read(4)? as usize;
let dc_table_c = br.read(4)? as usize;
- self.vp31_unpack_coeffs(br, 0, dc_table_y, dc_table_c)?;
- self.restore_dcs();
-
let ac_table_y = br.read(4)? as usize;
let ac_table_c = br.read(4)? as usize;
- for coef_no in 1..64 {
- self.vp31_unpack_coeffs(br, coef_no, ac_table_y, ac_table_c)?;
- }
+ self.vp40_unpack_coeffs(br, dc_table_y, dc_table_c, ac_table_y, ac_table_c)?;
if self.is_intra {
self.output_blocks_intra(frm);
} else {
self.output_blocks_inter(frm);
}
- if self.loop_str > 0 {
- self.vp31_loop_filter(frm);
- }
Ok(())
}
- fn decode_vp4(&mut self) -> DecoderResult<()> {
-unimplemented!();
- }
- fn predict_dc(&self, bx: usize, by: usize, bw: usize, blk_idx: usize) -> i16 {
+ fn vp31_predict_dc(&self, bx: usize, by: usize, bw: usize, blk_idx: usize) -> i16 {
let mut preds = [0i32; 4];
let mut pp: usize = 0;
let ref_id = self.blocks[blk_idx].btype.get_ref_id();
let mut pred = 0i32;
for i in 0..4 {
if (pp & (1 << i)) != 0 {
- pred += (preds[i] as i32) * (VP31_DC_WEIGHTS[pp][i] as i32);
+ pred += (preds[i] as i32) * i32::from(VP31_DC_WEIGHTS[pp][i]);
}
}
- pred /= VP31_DC_WEIGHTS[pp][4] as i32;
+ pred /= i32::from(VP31_DC_WEIGHTS[pp][4]);
if (pp & 7) == 7 {
if (pred - preds[2]).abs() > 128 { return preds[2] as i16; }
if (pred - preds[0]).abs() > 128 { return preds[0] as i16; }
}
pred as i16
}
+ fn vp40_predict_dc(&self, bx: usize, by: usize, bw: usize, bh: usize, blk_idx: usize, mask: usize, is_luma: bool) -> i16 {
+ let mut preds = [0i32; 4];
+ let mut pp: usize = 0;
+ let ref_id = self.blocks[blk_idx].btype.get_ref_id();
+ if (by > 0) && (((mask >> 3) & 1) == 1) { //top
+ fill_dc_pred!(self, ref_id, preds, pp, 0, blk_idx - bw);
+ }
+ if (by < bh - 1) && (((mask >> 2) & 1) == 1) { //bottom
+ fill_dc_pred!(self, ref_id, preds, pp, 1, blk_idx + bw);
+ }
+ if (bx > 0) && (((mask >> 1) & 1) == 1) { //left
+ fill_dc_pred!(self, ref_id, preds, pp, 2, blk_idx - 1);
+ }
+ if (is_luma && bx == 0 && (by >= 4)) && (((mask >> 1) & 1) == 1) { //left wrap
+ fill_dc_pred!(self, ref_id, preds, pp, 2, blk_idx - 1 - 3 * bw);
+ }
+ if (bx < bw - 1) && (((mask >> 0) & 1) == 1) { //right
+ fill_dc_pred!(self, ref_id, preds, pp, 3, blk_idx + 1);
+ }
+ if pp == 0 { return self.last_dc[ref_id as usize]; }
+ let mut pred = 0i32;
+ let mut npred = 0;
+ for i in 0..4 {
+ if (pp & (1 << i)) != 0 {
+ pred += preds[i] as i32;
+ npred += 1;
+ if npred == 2 {
+ return (pred / 2) as i16;
+ }
+ }
+ }
+ self.last_dc[ref_id as usize]
+ }
fn restore_dcs(&mut self) {
let blk_stride = self.mb_w * 2;
let mut blk_idx = 0;
for by in 0..self.mb_h*2 {
for bx in 0..self.mb_w*2 {
if !self.blocks[blk_idx + bx].coded { continue; }
- let dc = self.predict_dc(bx, by, self.mb_w*2, blk_idx + bx);
+ let dc = self.vp31_predict_dc(bx, by, self.mb_w*2, blk_idx + bx);
self.blocks[blk_idx + bx].coeffs[0] += dc;
self.last_dc[self.blocks[blk_idx + bx].btype.get_ref_id() as usize] = self.blocks[blk_idx + bx].coeffs[0];
}
for by in 0..self.mb_h {
for bx in 0..self.mb_w {
if !self.blocks[blk_idx + bx].coded { continue; }
- let dc = self.predict_dc(bx, by, self.mb_w, blk_idx + bx);
+ let dc = self.vp31_predict_dc(bx, by, self.mb_w, blk_idx + bx);
self.blocks[blk_idx + bx].coeffs[0] += dc;
self.last_dc[self.blocks[blk_idx + bx].btype.get_ref_id() as usize] = self.blocks[blk_idx + bx].coeffs[0];
}
for by in 0..self.mb_h*2 {
for bx in 0..self.mb_w*2 {
let mut blk = biter.next().unwrap();
- let qmat = if blk.btype == VPMBType::Intra { &self.qmat_y } else { &self.qmat_inter };
+ let qmat = &self.qmat_y;
blk.coeffs[0] *= qmat[0];
if blk.has_ac {
unquant(&mut blk.coeffs, qmat);
for by in 0..self.mb_h {
for bx in 0..self.mb_w {
let mut blk = biter.next().unwrap();
- let qmat = if blk.btype == VPMBType::Intra { &self.qmat_c } else { &self.qmat_inter };
+ let qmat = &self.qmat_c;
blk.coeffs[0] *= qmat[0];
if blk.has_ac {
unquant(&mut blk.coeffs, qmat);
}
}
}
+ #[allow(clippy::cyclomatic_complexity)]
fn output_blocks_inter(&mut self, frm: &mut NASimpleVideoFrame<u8>) {
let mut blk_idx = 0;
let bstride = self.mb_w * 2;
if self.blocks[blk_idx + bx].btype != VPMBType::InterFourMV {
continue;
}
- let mv_a = self.blocks[blk_idx + bx].mv;
- let mv_b = self.blocks[blk_idx + bx + 1].mv;
- let mv_c = self.blocks[blk_idx + bx + bstride].mv;
- let mv_d = self.blocks[blk_idx + bx + 1 + bstride].mv;
- let mut mv_sum = mv_a + mv_b + mv_c + mv_d;
+ let mvs = [ self.blocks[blk_idx + bx].mv,
+ self.blocks[blk_idx + bx + 1].mv,
+ self.blocks[blk_idx + bx + bstride].mv,
+ self.blocks[blk_idx + bx + 1 + bstride].mv ];
+ let mut mv_sum = mvs[0] + mvs[1] + mvs[2] + mvs[3];
mv_sum.x = (mv_sum.x + 2) >> 2;
mv_sum.y = (mv_sum.y + 2) >> 2;
let src = self.shuf.get_last().unwrap();
- let mode = ((mv_a.x & 1) + (mv_a.y & 1) * 2) as usize;
- copy_block(frm, src.clone(), 0, bx * 8, by * 8, mv_a.x >> 1, mv_a.y >> 1, 8, 8, 0, 1, mode, VP3_INTERP_FUNCS);
- let mode = ((mv_b.x & 1) + (mv_b.y & 1) * 2) as usize;
- copy_block(frm, src.clone(), 0, bx * 8 + 8, by * 8, mv_b.x >> 1, mv_b.y >> 1, 8, 8, 0, 1, mode, VP3_INTERP_FUNCS);
- let mode = ((mv_c.x & 1) + (mv_c.y & 1) * 2) as usize;
- copy_block(frm, src.clone(), 0, bx * 8, by * 8 + 8, mv_c.x >> 1, mv_c.y >> 1, 8, 8, 0, 1, mode, VP3_INTERP_FUNCS);
- let mode = ((mv_d.x & 1) + (mv_d.y & 1) * 2) as usize;
- copy_block(frm, src.clone(), 0, bx * 8 + 8, by * 8 + 8, mv_d.x >> 1, mv_d.y >> 1, 8, 8, 0, 1, mode, VP3_INTERP_FUNCS);
+ for i in 0..4 {
+ let xoff = (i & 1) * 8;
+ let yoff = (i >> 1) * 8;
+
+ let mode = vp3_mv_mode(mvs[i].x, mvs[i].y);
+ if self.version != 4 {
+ copy_block(frm, src.clone(), 0, bx * 8 + xoff, by * 8 + yoff,
+ mvs[i].x >> 1, mvs[i].y >> 1, 8, 8, 0, 1, mode, VP3_INTERP_FUNCS);
+ } else {
+ vp_copy_block(frm, src.clone(), 0, bx * 8 + xoff, by * 8 + yoff,
+ mvs[i].x >> 1, mvs[i].y >> 1, 0, 1, self.loop_str,
+ mode, VP3_INTERP_FUNCS, self.mc_buf.clone());
+ }
+ }
let mx = (mv_sum.x >> 1) | (mv_sum.x & 1);
let my = (mv_sum.y >> 1) | (mv_sum.y & 1);
- let mode = ((mx & 1) + (my & 1) * 2) as usize;
+ let mode = vp3_mv_mode(mx, my);
copy_block(frm, src.clone(), 1, bx * 4, by * 4, mx >> 1, my >> 1, 8, 8, 0, 1, mode, VP3_INTERP_FUNCS);
copy_block(frm, src.clone(), 2, bx * 4, by * 4, mx >> 1, my >> 1, 8, 8, 0, 1, mode, VP3_INTERP_FUNCS);
}
- blk_idx += bstride;
+ blk_idx += bstride * 2;
}
let mut biter = self.blocks.iter_mut();
} else {
self.shuf.get_golden().unwrap()
};
- let mode = ((blk.mv.x & 1) + (blk.mv.y & 1) * 2) as usize;
- copy_block(frm, src.clone(), 0, bx * 8, by * 8, blk.mv.x >> 1, blk.mv.y >> 1, 16, 16, 0, 1, mode, VP3_INTERP_FUNCS);
+ let mode = vp3_mv_mode(blk.mv.x, blk.mv.y);
+ if self.version != 4 {
+ copy_block(frm, src.clone(), 0, bx * 8, by * 8,
+ blk.mv.x >> 1, blk.mv.y >> 1, 16, 16, 0, 1, mode, VP3_INTERP_FUNCS);
+ } else {
+ vp_copy_block(frm, src.clone(), 0, bx * 8, by * 8,
+ blk.mv.x >> 1, blk.mv.y >> 1, 0, 1, self.loop_str,
+ mode, VP3_INTERP_FUNCS, self.mc_buf.clone());
+ vp_copy_block(frm, src.clone(), 0, bx * 8 + 8, by * 8,
+ blk.mv.x >> 1, blk.mv.y >> 1, 0, 1, self.loop_str,
+ mode, VP3_INTERP_FUNCS, self.mc_buf.clone());
+ vp_copy_block(frm, src.clone(), 0, bx * 8, by * 8 + 8,
+ blk.mv.x >> 1, blk.mv.y >> 1, 0, 1, self.loop_str,
+ mode, VP3_INTERP_FUNCS, self.mc_buf.clone());
+ vp_copy_block(frm, src.clone(), 0, bx * 8 + 8, by * 8 + 8,
+ blk.mv.x >> 1, blk.mv.y >> 1, 0, 1, self.loop_str,
+ mode, VP3_INTERP_FUNCS, self.mc_buf.clone());
+ }
let mx = (blk.mv.x >> 1) | (blk.mv.x & 1);
let my = (blk.mv.y >> 1) | (blk.mv.y & 1);
- let mode = ((mx & 1) + (my & 1) * 2) as usize;
- copy_block(frm, src.clone(), 1, bx * 4, by * 4, mx >> 1, my >> 1, 8, 8, 0, 1, mode, VP3_INTERP_FUNCS);
- copy_block(frm, src.clone(), 2, bx * 4, by * 4, mx >> 1, my >> 1, 8, 8, 0, 1, mode, VP3_INTERP_FUNCS);
+ let mode = vp3_mv_mode(mx, my);
+ if self.version != 4 {
+ copy_block(frm, src.clone(), 1, bx * 4, by * 4,
+ mx >> 1, my >> 1, 8, 8, 0, 1, mode, VP3_INTERP_FUNCS);
+ copy_block(frm, src.clone(), 2, bx * 4, by * 4,
+ mx >> 1, my >> 1, 8, 8, 0, 1, mode, VP3_INTERP_FUNCS);
+ } else {
+ vp_copy_block(frm, src.clone(), 1, bx * 4, by * 4,
+ mx >> 1, my >> 1, 0, 1, self.loop_str,
+ mode, VP3_INTERP_FUNCS, self.mc_buf.clone());
+ vp_copy_block(frm, src.clone(), 2, bx * 4, by * 4,
+ mx >> 1, my >> 1, 0, 1, self.loop_str,
+ mode, VP3_INTERP_FUNCS, self.mc_buf.clone());
+ }
}
- let qmat = if blk.btype.is_intra() { &self.qmat_y } else { &self.qmat_inter };
+ let qmat = if blk.btype.is_intra() { &self.qmat_y } else { &self.qmat_y_p };
blk.coeffs[0] *= qmat[0];
if blk.has_ac {
unquant(&mut blk.coeffs, qmat);
}
- if blk.btype.is_intra() {
- if !blk.coded {
- copy_block(frm, self.shuf.get_last().unwrap(), 0, bx * 8, by * 8, 0, 0, 8, 8, 0, 1, 0, VP3_INTERP_FUNCS);
- } else if blk.has_ac {
+ if !blk.coded {
+ copy_block(frm, self.shuf.get_last().unwrap(), 0, bx * 8, by * 8, 0, 0, 8, 8, 0, 1, 0, VP3_INTERP_FUNCS);
+ } else if blk.btype.is_intra() {
+ if blk.has_ac {
vp_put_block(&mut blk.coeffs, bx, by, 0, frm);
} else {
vp_put_block_dc(&mut blk.coeffs, bx, by, 0, frm);
}
- } else if blk.coded {
+ } else {
if blk.has_ac {
vp_add_block(&mut blk.coeffs, bx, by, 0, frm);
} else {
for by in 0..self.mb_h {
for bx in 0..self.mb_w {
let mut blk = biter.next().unwrap();
- let qmat = if blk.btype.is_intra() { &self.qmat_c } else { &self.qmat_inter };
+ let qmat = if blk.btype.is_intra() { &self.qmat_c } else { &self.qmat_c_p };
blk.coeffs[0] *= qmat[0];
if blk.has_ac {
unquant(&mut blk.coeffs, qmat);
}
- if blk.btype.is_intra() {
- if !blk.coded {
- copy_block(frm, self.shuf.get_last().unwrap(), plane, bx * 8, by * 8, 0, 0, 8, 8, 0, 1, 0, VP3_INTERP_FUNCS);
- } else if blk.has_ac {
+ if !blk.coded {
+ copy_block(frm, self.shuf.get_last().unwrap(), plane, bx * 8, by * 8, 0, 0, 8, 8, 0, 1, 0, VP3_INTERP_FUNCS);
+ } else if blk.btype.is_intra() {
+ if blk.has_ac {
vp_put_block(&mut blk.coeffs, bx, by, plane, frm);
} else {
vp_put_block_dc(&mut blk.coeffs, bx, by, plane, frm);
}
- } else if blk.coded {
+ } else {
if blk.has_ac {
vp_add_block(&mut blk.coeffs, bx, by, plane, frm);
} else {
}
blk_idx += blk_w;
}
-/* for plane in 1..3 {
+ let blk_w = self.mb_w;
+ for plane in 1..3 {
for by in 0..self.mb_h {
for bx in 0..self.mb_w {
+ let blk = &self.blocks[blk_idx + bx];
+ if (bx > 0) && blk.coded {
+ vp31_loop_filter_v(frm, bx * 8, by * 8, plane, self.loop_str);
+ }
+ if (by > 0) && blk.coded {
+ vp31_loop_filter_h(frm, bx * 8, by * 8, plane, self.loop_str);
+ }
+ if (bx < blk_w - 1) && !self.blocks[blk_idx + bx + 1].coded {
+ vp31_loop_filter_v(frm, bx * 8 + 8, by * 8, plane, self.loop_str);
+ }
+ if (by < self.mb_h - 1) && !self.blocks[blk_idx + bx + blk_w].coded {
+ vp31_loop_filter_h(frm, bx * 8, by * 8 + 8, plane, self.loop_str);
+ }
}
+ blk_idx += blk_w;
}
- }*/
+ }
}
fn generate_block_addr(&mut self) {
let sb_w_y = (self.width + 31) >> 5;
let sb_h_c = ((self.height >> 1) + 31) >> 5;
self.y_sbs = sb_w_y * sb_h_y;
let tot_sb = sb_w_y * sb_h_y + 2 * sb_w_c * sb_h_c;
+ let tot_mb = self.mb_w * self.mb_h * 2 + ((self.mb_w + 1) & !1) * ((self.mb_h + 1) & !1) * 2;
let bw = self.width >> 3;
let bh = self.height >> 3;
let tot_blk = bw * bh * 3 / 2;
self.sb_info.resize(tot_sb, SBState::Uncoded);
self.sb_blocks = Vec::with_capacity(tot_sb);
+ self.mb_blocks = Vec::with_capacity(tot_mb);
+ self.sb_mbs = Vec::with_capacity(tot_sb);
self.blk_addr = Vec::with_capacity(tot_blk);
+ self.blk_sub = Vec::with_capacity(tot_blk);
self.y_blocks = bw * bh;
let mut base_idx = 0;
for plane in 0..3 {
let blk_h = h >> 3;
for y in 0..sb_h {
for x in 0..sb_w {
+ let mut nmbs = 0;
+ for mb_no in 0..4 {
+ let bx = x * 4 + HILBERT_ORDER[mb_no * 4][0];
+ let by = y * 4 + HILBERT_ORDER[mb_no * 4][1];
+ if (bx >= blk_w) || (by >= blk_h) { continue; }
+ let mut nblocks = 0;
+ for blk_no in 0..4 {
+ let bx = x * 4 + HILBERT_ORDER[mb_no * 4 + blk_no][0];
+ let by = y * 4 + HILBERT_ORDER[mb_no * 4 + blk_no][1];
+ if (bx >= blk_w) || (by >= blk_h) { continue; }
+ nblocks += 1;
+ }
+ self.mb_blocks.push(nblocks);
+ nmbs += 1;
+ }
+ self.sb_mbs.push(nmbs);
+
let mut nblocks = 0;
for blk_no in 0..16 {
let bx = x * 4 + HILBERT_ORDER[blk_no][0];
if (bx >= blk_w) || (by >= blk_h) { continue; }
let idx = base_idx + bx + by * blk_w;
self.blk_addr.push(idx * 4 + plane);
+ self.blk_sub.push(blk_no as u8);
nblocks += 1;
}
self.sb_blocks.push(nblocks);
base_idx += blk_w * blk_h;
}
self.blocks.resize(tot_blk, Block::new());
+ self.mb_coded.resize(tot_mb, false);
+ self.mb_partial.resize(tot_mb, false);
}
}
let myinfo = NACodecTypeInfo::Video(NAVideoInfo::new(vinfo.get_width(), vinfo.get_height(), true, fmt));
self.info = NACodecInfo::new_ref(info.get_name(), myinfo, info.get_extradata()).into_ref();
supp.pool_u8.set_dec_bufs(3);
- supp.pool_u8.prealloc_video(NAVideoInfo::new(vinfo.get_width(), vinfo.get_height(), false, fmt), 4)?;
+ supp.pool_u8.prealloc_video(NAVideoInfo::new(vinfo.get_width(), vinfo.get_height(), true, fmt), 4)?;
- if self.version == 3 {
- self.generate_block_addr();
+ self.generate_block_addr();
+ if self.version == 4 {
+ self.codes = Codes::VP31(VP31Codes::new_vp4());
+ self.aux_codes = Some(VP40AuxCodes::new());
}
Ok(())
} else {
fn decode(&mut self, supp: &mut NADecoderSupport, pkt: &NAPacket) -> DecoderResult<NAFrameRef> {
let src = pkt.get_buffer();
validate!(src.len() > 0);
- let mut br = BitReader::new(&src, src.len(), BitReaderMode::BE);
+ let mut br = BitReader::new(&src, BitReaderMode::BE);
self.parse_header(&mut br)?;
if self.is_intra {
self.shuf.clear();
+ } else {
+ if !self.shuf.has_refs() {
+ return Err(DecoderError::MissingReference);
+ }
}
let ret = supp.pool_u8.get_free();
let mut buf = ret.unwrap();
let mut dframe = NASimpleVideoFrame::from_video_buf(&mut buf).unwrap();
match self.version {
+ 30 => self.decode_vp30(&mut br, &mut dframe)?,
31 => self.decode_vp31(&mut br, &mut dframe)?,
- 4 => self.decode_vp4()?,
+ 4 => self.decode_vp4(&mut br, &mut dframe)?,
_ => return Err(DecoderError::Bug),
}
- if self.is_intra {
+ if self.is_intra || self.update_gf {
self.shuf.add_golden_frame(buf.clone());
}
self.shuf.add_frame(buf.clone());
frm.set_frame_type(if self.is_intra { FrameType::I } else { FrameType::P });
Ok(frm.into_ref())
}
+ fn flush(&mut self) {
+ self.shuf.clear();
+ }
+}
+
+impl NAOptionHandler for VP34Decoder {
+ fn get_supported_options(&self) -> &[NAOptionDefinition] { &[] }
+ fn set_options(&mut self, _options: &[NAOption]) { }
+ fn query_option_value(&self, _name: &str) -> Option<NAValue> { None }
}
-pub fn get_decoder_vp3() -> Box<NADecoder> {
+pub fn get_decoder_vp3() -> Box<NADecoder + Send> {
Box::new(VP34Decoder::new(3))
}
-/*pub fn get_decoder_vp4() -> Box<NADecoder> {
+pub fn get_decoder_vp4() -> Box<NADecoder + Send> {
Box::new(VP34Decoder::new(4))
-}*/
+}
#[cfg(test)]
mod test {
use nihav_core::codecs::RegisteredDecoders;
use nihav_core::demuxers::RegisteredDemuxers;
- use nihav_core::test::dec_video::*;
- use crate::codecs::duck_register_all_codecs;
- use nihav_commonfmt::demuxers::generic_register_all_demuxers;
+ use nihav_codec_support::test::dec_video::*;
+ use crate::duck_register_all_decoders;
+ use nihav_commonfmt::generic_register_all_demuxers;
#[test]
- fn test_vp3() {
+ fn test_vp30() {
let mut dmx_reg = RegisteredDemuxers::new();
generic_register_all_demuxers(&mut dmx_reg);
let mut dec_reg = RegisteredDecoders::new();
- duck_register_all_codecs(&mut dec_reg);
+ duck_register_all_decoders(&mut dec_reg);
-// let file = "assets/Duck/vp30-logo.avi";
- let file = "assets/Duck/vp31.avi";
+ test_decoding("avi", "vp3", "assets/Duck/vp30-logo.avi", Some(23), &dmx_reg, &dec_reg,
+ ExpectedTestResult::MD5([0x51aba7df, 0x6e42534d, 0xef6c5b13, 0x26c38d1f]));
+ }
+
+ #[test]
+ fn test_vp31() {
+ let mut dmx_reg = RegisteredDemuxers::new();
+ generic_register_all_demuxers(&mut dmx_reg);
+ let mut dec_reg = RegisteredDecoders::new();
+ duck_register_all_decoders(&mut dec_reg);
+
+// let file = "assets/Duck/vp31.avi";
// let file = "assets/Duck/vp31_crash.avi";
// let file = "assets/Duck/01-vp31-0500.avi";
- test_file_decoding("avi", file, Some(3), true, false, Some("vp3"), &dmx_reg, &dec_reg);
+// test_file_decoding("avi", file, Some(3), true, false, None/*Some("vp31")*/, &dmx_reg, &dec_reg);
//panic!("end");
+ test_decoding("avi", "vp3", "assets/Duck/01-vp31-0500.avi", Some(16), &dmx_reg, &dec_reg,
+ ExpectedTestResult::MD5([0x65112f7e, 0x2914f29b, 0x2908ed2f, 0xce5fc8c5]));
}
#[test]
let mut dmx_reg = RegisteredDemuxers::new();
generic_register_all_demuxers(&mut dmx_reg);
let mut dec_reg = RegisteredDecoders::new();
- duck_register_all_codecs(&mut dec_reg);
+ duck_register_all_decoders(&mut dec_reg);
- let file = "assets/Duck/ot171_vp40.avi";
- test_file_decoding("avi", file, Some(16), true, false, Some("vp4"), &dmx_reg, &dec_reg);
+ test_decoding("avi", "vp3", "assets/Duck/ot171_vp40.avi", Some(86), &dmx_reg, &dec_reg,
+ ExpectedTestResult::MD5([0xd41d8cd9, 0x8f00b204, 0xe9800998, 0xecf8427e]));
}
}
40, 48, 64, 64, 64, 96, 128, 128
];
-const ZIGZAG: [usize; 64] = [
- 0, 1, 8, 16, 9, 2, 3, 10,
- 17, 24, 32, 25, 18, 11, 4, 5,
- 12, 19, 26, 33, 40, 48, 41, 34,
- 27, 20, 13, 6, 7, 14, 21, 28,
- 35, 42, 49, 56, 57, 50, 43, 36,
- 29, 22, 15, 23, 30, 37, 44, 51,
- 58, 59, 52, 45, 38, 31, 39, 46,
- 53, 60, 61, 54, 47, 55, 62, 63
-];
-
const VP31_DC_CODES: [[u16; 32]; 16] = [
[
0x002D, 0x0026, 0x0166, 0x004E, 0x02CE, 0x059E, 0x027D, 0x0008,
[ 0, 3, 10, 3, 16 ],
[ 29, -26, 29, 0, 32 ],
];
+
+const VP30_DC_SCALES: [i16; 64] = [
+ 24, 20, 20, 20, 20, 20, 20, 20,
+ 19, 19, 19, 19, 18, 18, 18, 18,
+ 17, 17, 17, 17, 16, 16, 15, 15,
+ 14, 14, 13, 13, 12, 12, 11, 11,
+ 10, 10, 9, 9, 8, 8, 7, 7,
+ 6, 6, 6, 6, 5, 5, 5, 5,
+ 4, 4, 4, 4, 3, 3, 3, 3,
+ 2, 2, 2, 2, 1, 1, 1, 1
+];
+
+const VP30_AC_SCALES: [i16; 64] = [
+ 3000, 2500, 2000, 1500, 1200, 1000, 900, 800,
+ 750, 700, 650, 630, 600, 550, 500, 450,
+ 410, 380, 350, 320, 290, 260, 240, 220,
+ 200, 180, 165, 150, 140, 130, 120, 115,
+ 110, 100, 95, 90, 85, 80, 75, 70,
+ 67, 65, 63, 61, 57, 55, 53, 50,
+ 49, 46, 44, 42, 39, 36, 33, 30,
+ 27, 24, 21, 19, 17, 15, 12, 10
+];
+
+const VP30_DC_CODES: [[u16; 32]; 5] = [
+ [
+ 0x0005, 0x002D, 0x0004, 0x0009, 0x0088, 0x0225, 0x0224, 0x0005,
+ 0x0011, 0x0007, 0x0006, 0x0009, 0x000A, 0x0007, 0x0017, 0x000C,
+ 0x002C, 0x0005, 0x0008, 0x0003, 0x0012, 0x0010, 0x0113, 0x0003,
+ 0x0010, 0x0000, 0x0013, 0x001A, 0x0023, 0x0045, 0x0001, 0x001B
+ ], [
+ 0x000B, 0x0012, 0x0029, 0x0010, 0x000D, 0x00A2, 0x0020, 0x0009,
+ 0x0050, 0x0007, 0x0006, 0x0006, 0x0005, 0x0002, 0x0008, 0x0027,
+ 0x0005, 0x0022, 0x0023, 0x0057, 0x00A3, 0x0011, 0x0021, 0x0007,
+ 0x0000, 0x0009, 0x002A, 0x0003, 0x0007, 0x0026, 0x000C, 0x0056
+ ], [
+ 0x000D, 0x0018, 0x0009, 0x0017, 0x0033, 0x0056, 0x00F7, 0x00F1,
+ 0x007A, 0x0000, 0x0007, 0x0009, 0x0008, 0x0005, 0x000D, 0x002D,
+ 0x0010, 0x001D, 0x001C, 0x0057, 0x00CB, 0x00F6, 0x00F0, 0x0014,
+ 0x000C, 0x002C, 0x0011, 0x001F, 0x002A, 0x0064, 0x00CA, 0x0079
+ ], [
+ 0x000F, 0x001A, 0x0013, 0x001B, 0x003B, 0x0072, 0x01D3, 0x0707,
+ 0x0E0D, 0x0001, 0x0000, 0x000C, 0x000B, 0x0008, 0x0012, 0x002A,
+ 0x0073, 0x0028, 0x0075, 0x0056, 0x0052, 0x01C0, 0x0E0C, 0x0071,
+ 0x0057, 0x00E1, 0x00A6, 0x00E8, 0x00A7, 0x03A5, 0x03A4, 0x0382
+ ], [
+ 0x000F, 0x001B, 0x0014, 0x001D, 0x0010, 0x0073, 0x00E2, 0x023C,
+ 0x11C9, 0x0001, 0x0000, 0x000C, 0x000B, 0x0009, 0x0015, 0x0035,
+ 0x0072, 0x0034, 0x0022, 0x0070, 0x0046, 0x011D, 0x11C8, 0x01C7,
+ 0x01C6, 0x0238, 0x047E, 0x023E, 0x0473, 0x08E5, 0x023D, 0x047F
+ ]
+];
+const VP30_DC_BITS: [[u8; 32]; 5] = [
+ [
+ 4, 6, 6, 6, 8, 10, 10, 6, 7, 3, 3, 4, 4, 4, 5, 5,
+ 6, 5, 5, 5, 6, 7, 9, 4, 5, 5, 6, 6, 6, 7, 5, 6
+ ], [
+ 4, 5, 6, 5, 6, 8, 9, 7, 7, 3, 3, 4, 4, 4, 5, 6,
+ 6, 6, 6, 7, 8, 8, 9, 4, 4, 5, 6, 5, 5, 6, 6, 7
+ ], [
+ 4, 5, 5, 5, 6, 7, 9, 9, 8, 2, 3, 4, 4, 4, 5, 6,
+ 6, 6, 6, 7, 8, 9, 9, 5, 5, 6, 6, 6, 6, 7, 8, 8
+ ], [
+ 4, 5, 5, 5, 6, 7, 9, 11, 12, 2, 2, 4, 4, 4, 5, 6,
+ 7, 6, 7, 7, 7, 9, 12, 7, 7, 8, 8, 8, 8, 10, 10, 10
+ ], [
+ 4, 5, 5, 5, 5, 7, 8, 10, 13, 2, 2, 4, 4, 4, 5, 6,
+ 7, 6, 6, 7, 7, 9, 13, 9, 9, 10, 11, 10, 11, 12, 10, 11
+ ]
+];
+const VP30_AC_INTRA_CODES: [[u16; 32]; 5] = [
+ [
+ 0x0008, 0x0033, 0x0008, 0x004B, 0x0089, 0x0221, 0x0220, 0x001F,
+ 0x0045, 0x0000, 0x000E, 0x000B, 0x000A, 0x000D, 0x0006, 0x001E,
+ 0x000A, 0x0018, 0x0013, 0x0005, 0x0009, 0x0046, 0x0111, 0x0007,
+ 0x000B, 0x0032, 0x0010, 0x004A, 0x0024, 0x0047, 0x0003, 0x0009
+ ], [
+ 0x000E, 0x000E, 0x007B, 0x001E, 0x007E, 0x03EF, 0x07DD, 0x0018,
+ 0x00FA, 0x0002, 0x0000, 0x000A, 0x0008, 0x000B, 0x0003, 0x0012,
+ 0x0033, 0x000C, 0x003C, 0x001A, 0x007F, 0x01F6, 0x07DC, 0x000D,
+ 0x0013, 0x0004, 0x001B, 0x007A, 0x0032, 0x007C, 0x001F, 0x0005
+ ], [
+ 0x0000, 0x0018, 0x0034, 0x000C, 0x006A, 0x01F9, 0x07EA, 0x0016,
+ 0x0FD7, 0x0002, 0x0001, 0x000A, 0x0009, 0x0007, 0x001B, 0x003E,
+ 0x0020, 0x0021, 0x006B, 0x01FB, 0x03F4, 0x1FAD, 0x1FAC, 0x000E,
+ 0x0019, 0x0011, 0x002F, 0x007F, 0x002E, 0x01F8, 0x001E, 0x000D
+ ], [
+ 0x000E, 0x0016, 0x002E, 0x0003, 0x006E, 0x008B, 0x0113, 0x0018,
+ 0x0221, 0x0001, 0x0002, 0x000A, 0x0009, 0x0007, 0x001A, 0x0002,
+ 0x001B, 0x0023, 0x006F, 0x008A, 0x0111, 0x0441, 0x0440, 0x000F,
+ 0x0019, 0x0010, 0x0036, 0x001A, 0x002F, 0x0112, 0x0000, 0x000C
+ ], [
+ 0x000E, 0x000F, 0x001B, 0x0033, 0x005A, 0x00B6, 0x0008, 0x001A,
+ 0x004D, 0x0001, 0x0002, 0x000A, 0x0009, 0x0008, 0x001B, 0x0003,
+ 0x002C, 0x002E, 0x0005, 0x00B7, 0x0027, 0x0099, 0x0098, 0x000F,
+ 0x0018, 0x000E, 0x002F, 0x001A, 0x0032, 0x0012, 0x0000, 0x000C
+ ]
+];
+const VP30_AC_INTRA_BITS: [[u8; 32]; 5] = [
+ [
+ 4, 6, 6, 7, 9, 11, 11, 5, 8, 3, 4, 4, 4, 4, 4, 5,
+ 5, 5, 5, 5, 6, 8, 10, 4, 5, 6, 6, 7, 6, 8, 4, 5
+ ], [
+ 4, 5, 7, 6, 8, 11, 12, 5, 9, 3, 3, 4, 4, 4, 4, 5,
+ 6, 5, 6, 6, 8, 10, 12, 4, 5, 5, 6, 7, 6, 8, 5, 5
+ ], [
+ 3, 5, 6, 5, 7, 9, 11, 5, 12, 3, 3, 4, 4, 4, 5, 6,
+ 6, 6, 7, 9, 10, 13, 13, 4, 5, 5, 6, 7, 6, 9, 5, 5
+ ], [
+ 4, 5, 6, 5, 7, 8, 9, 5, 10, 3, 3, 4, 4, 4, 5, 5,
+ 6, 6, 7, 8, 9, 11, 11, 4, 5, 5, 6, 6, 6, 9, 4, 5
+ ], [
+ 4, 5, 6, 6, 7, 8, 7, 5, 10, 3, 3, 4, 4, 4, 5, 5,
+ 6, 6, 6, 8, 9, 11, 11, 4, 5, 5, 6, 6, 6, 8, 4, 5
+ ]
+];
+const VP30_AC_INTER_CODES: [[u16; 32]; 5] = [
+ [
+ 0x000D, 0x0038, 0x0061, 0x0060, 0x0393, 0x1C95, 0x1C94, 0x0014,
+ 0x0073, 0x0001, 0x0000, 0x000B, 0x0009, 0x001D, 0x000E, 0x0022,
+ 0x0046, 0x0047, 0x00E5, 0x01C8, 0x0724, 0x1C97, 0x1C96, 0x000F,
+ 0x0006, 0x0019, 0x000F, 0x0031, 0x0004, 0x0010, 0x0005, 0x0015
+ ], [
+ 0x0004, 0x001B, 0x0030, 0x0034, 0x00D5, 0x06B3, 0x3595, 0x0031,
+ 0x001A, 0x0002, 0x0001, 0x001F, 0x001E, 0x000C, 0x001B, 0x00D7,
+ 0x00D4, 0x01AD, 0x0358, 0x0D64, 0x3594, 0x3597, 0x3596, 0x0000,
+ 0x000A, 0x001D, 0x0017, 0x0039, 0x0007, 0x0019, 0x0016, 0x0038
+ ], [
+ 0x0005, 0x0009, 0x001A, 0x001E, 0x001F, 0x00E2, 0x038E, 0x0070,
+ 0x003B, 0x0001, 0x0000, 0x0019, 0x0018, 0x001E, 0x003A, 0x01C6,
+ 0x071E, 0x0E3E, 0x1C7E, 0x71FD, 0x71FC, 0x71FF, 0x71FE, 0x0002,
+ 0x0008, 0x001D, 0x001B, 0x0039, 0x001F, 0x000D, 0x000C, 0x001C
+ ], [
+ 0x0003, 0x000B, 0x001C, 0x000D, 0x0004, 0x000A, 0x0076, 0x00E8,
+ 0x01DC, 0x0001, 0x0000, 0x0033, 0x0032, 0x00E9, 0x03BB, 0x0774,
+ 0x1DD5, 0x3BAD, 0x3BAC, 0x3BAF, 0x3BAE, 0x3BA9, 0x3BA8, 0x0004,
+ 0x000A, 0x001F, 0x001E, 0x0030, 0x000B, 0x0075, 0x0031, 0x00EF
+ ], [
+ 0x0009, 0x001E, 0x000F, 0x000E, 0x000C, 0x0008, 0x0001, 0x00E3,
+ 0x00E2, 0x0002, 0x0000, 0x003A, 0x0039, 0x0070, 0x01DC, 0x0776,
+ 0x0775, 0x0EEF, 0x0EE8, 0x1DD3, 0x1DD2, 0x1DDD, 0x1DDC, 0x0005,
+ 0x001F, 0x001B, 0x0006, 0x006A, 0x0034, 0x0076, 0x006B, 0x00EF
+ ]
+];
+const VP30_AC_INTER_BITS: [[u8; 32]; 5] = [
+ [
+ 4, 6, 7, 7, 10, 13, 13, 5, 7, 3, 3, 4, 4, 5, 5, 6,
+ 7, 7, 8, 9, 11, 13, 13, 4, 4, 5, 5, 6, 4, 5, 4, 5
+ ], [
+ 3, 5, 6, 6, 8, 11, 14, 6, 6, 3, 3, 5, 5, 5, 6, 8,
+ 8, 9, 10, 12, 14, 14, 14, 3, 4, 5, 5, 6, 4, 5, 5, 6
+ ], [
+ 3, 4, 5, 5, 6, 8, 10, 7, 7, 3, 3, 5, 5, 6, 7, 9,
+ 11, 12, 13, 15, 15, 15, 15, 3, 4, 5, 5, 6, 5, 5, 5, 6
+ ], [
+ 3, 4, 5, 4, 4, 5, 7, 8, 9, 3, 3, 6, 6, 8, 10, 11,
+ 13, 14, 14, 14, 14, 14, 14, 3, 4, 5, 5, 6, 5, 7, 6, 8
+ ], [
+ 4, 5, 5, 4, 4, 4, 3, 9, 9, 3, 3, 7, 7, 8, 10, 12,
+ 12, 13, 13, 14, 14, 14, 14, 3, 5, 5, 4, 7, 6, 8, 7, 9
+ ]
+];
+const VP30_MBTYPE_CODES: [u8; 7] = [ 0x00, 0x08, 0x0A, 0x03, 0x0B, 0x13, 0x12 ];
+const VP30_MBTYPE_BITS: [u8; 7] = [ 1, 4, 4, 2, 4, 5, 5 ];
+const VP30_MBTYPE_SYMS: [VPMBType; 7] = [
+ VPMBType::InterNoMV, VPMBType::Intra, VPMBType::InterMV, VPMBType::InterNearest,
+ VPMBType::GoldenNoMV, VPMBType::GoldenMV, VPMBType::InterFourMV
+];
+
+const VP40_DC_CODES: [[u32; 32]; 16] = [
+ [
+ 0x000C, 0x0070, 0x01CA, 0x01CB, 0x0391, 0x1C9B, 0x3935, 0x0071,
+ 0x3934, 0x000B, 0x000F, 0x0019, 0x0002, 0x0009, 0x0003, 0x001D,
+ 0x0018, 0x0007, 0x000D, 0x0002, 0x0000, 0x000A, 0x0008, 0x001A,
+ 0x0073, 0x006F, 0x0E4C, 0x0727, 0x0392, 0x0390, 0x0036, 0x006E
+ ], [
+ 0x0011, 0x007A, 0x0083, 0x0040, 0x0105, 0x0413, 0x0410, 0x007B,
+ 0x0822, 0x000E, 0x0002, 0x0002, 0x0006, 0x000A, 0x0007, 0x001F,
+ 0x0017, 0x0009, 0x000D, 0x0000, 0x000C, 0x0003, 0x003C, 0x002C,
+ 0x0021, 0x0169, 0x0412, 0x02D0, 0x02D1, 0x0823, 0x005B, 0x00B5
+ ], [
+ 0x0017, 0x0010, 0x00B6, 0x0022, 0x016A, 0x02D0, 0x0B48, 0x0077,
+ 0x1692, 0x0000, 0x0003, 0x0003, 0x0009, 0x000C, 0x0005, 0x0002,
+ 0x001C, 0x0008, 0x000D, 0x000F, 0x000A, 0x0009, 0x0023, 0x003A,
+ 0x002C, 0x016B, 0x05A5, 0x02D3, 0x02D1, 0x1693, 0x0076, 0x00B7
+ ], [
+ 0x001E, 0x0013, 0x00FB, 0x007C, 0x0046, 0x07D6, 0x0FA9, 0x0012,
+ 0x1F50, 0x0001, 0x0004, 0x0005, 0x000A, 0x000E, 0x0007, 0x0000,
+ 0x0017, 0x0006, 0x000D, 0x000C, 0x0001, 0x002C, 0x008F, 0x003F,
+ 0x002D, 0x01F4, 0x07D5, 0x008E, 0x07D7, 0x1F51, 0x0010, 0x0022
+ ], [
+ 0x0001, 0x002B, 0x0012, 0x0055, 0x0027, 0x03B0, 0x0762, 0x0077,
+ 0x0261, 0x0002, 0x0006, 0x0007, 0x000B, 0x000F, 0x0008, 0x0000,
+ 0x001C, 0x0003, 0x0009, 0x0006, 0x0014, 0x0054, 0x0131, 0x0005,
+ 0x003A, 0x01D9, 0x0099, 0x004D, 0x0763, 0x0260, 0x0008, 0x00ED
+ ], [
+ 0x0004, 0x0033, 0x0060, 0x0065, 0x00C2, 0x030D, 0x0619, 0x0064,
+ 0x1862, 0x0004, 0x0007, 0x000A, 0x000B, 0x000D, 0x0006, 0x0000,
+ 0x000F, 0x0003, 0x0005, 0x0002, 0x0002, 0x0077, 0x0C30, 0x0003,
+ 0x0031, 0x0187, 0x01D9, 0x00ED, 0x01D8, 0x1863, 0x001C, 0x003A
+ ], [
+ 0x0008, 0x000A, 0x006A, 0x0016, 0x001E, 0x034E, 0x069F, 0x0068,
+ 0x0D28, 0x0005, 0x0007, 0x0007, 0x000C, 0x0000, 0x0006, 0x001B,
+ 0x0012, 0x0002, 0x0004, 0x0013, 0x000E, 0x034B, 0x1A53, 0x0006,
+ 0x0017, 0x01A6, 0x069E, 0x01A4, 0x0695, 0x1A52, 0x006B, 0x001F
+ ], [
+ 0x000E, 0x000F, 0x0017, 0x0025, 0x009F, 0x0138, 0x024B, 0x0093,
+ 0x092A, 0x0005, 0x0000, 0x0008, 0x000D, 0x000F, 0x0006, 0x0004,
+ 0x000E, 0x0019, 0x0018, 0x000A, 0x009E, 0x0494, 0x1256, 0x0026,
+ 0x0016, 0x0124, 0x04E5, 0x0273, 0x04E4, 0x1257, 0x0048, 0x009D
+ ], [
+ 0x0004, 0x002C, 0x0050, 0x001E, 0x0071, 0x00E1, 0x00E0, 0x001D,
+ 0x0006, 0x0007, 0x0006, 0x0007, 0x0005, 0x0006, 0x0015, 0x0000,
+ 0x0029, 0x0002, 0x0006, 0x0001, 0x0023, 0x001F, 0x0039, 0x0009,
+ 0x0002, 0x0010, 0x0007, 0x002D, 0x002F, 0x002E, 0x0022, 0x0051
+ ], [
+ 0x0008, 0x002F, 0x0051, 0x0050, 0x02ED, 0x05D9, 0x05D8, 0x00BA,
+ 0x005C, 0x0007, 0x0006, 0x0009, 0x0006, 0x0007, 0x0016, 0x0005,
+ 0x002B, 0x0006, 0x000A, 0x0001, 0x000F, 0x001D, 0x0177, 0x0004,
+ 0x0001, 0x0004, 0x0001, 0x002A, 0x000B, 0x0029, 0x0000, 0x001C
+ ], [
+ 0x000A, 0x003C, 0x0074, 0x004E, 0x026D, 0x04D9, 0x04D8, 0x009A,
+ 0x004C, 0x0000, 0x0006, 0x0008, 0x0007, 0x0006, 0x0016, 0x0008,
+ 0x002E, 0x000A, 0x000B, 0x003D, 0x0024, 0x00EB, 0x0137, 0x001F,
+ 0x001C, 0x003B, 0x0012, 0x0025, 0x002F, 0x0013, 0x004F, 0x00EA
+ ], [
+ 0x000A, 0x000A, 0x0003, 0x0016, 0x0009, 0x0021, 0x0020, 0x00B3,
+ 0x0058, 0x0007, 0x0006, 0x0007, 0x0006, 0x0004, 0x0013, 0x0002,
+ 0x0025, 0x0000, 0x0003, 0x002D, 0x005D, 0x00B2, 0x0011, 0x0008,
+ 0x0002, 0x0006, 0x0017, 0x002F, 0x0007, 0x0024, 0x005C, 0x0005
+ ], [
+ 0x000B, 0x0013, 0x001F, 0x0031, 0x0021, 0x0295, 0x0528, 0x00A4,
+ 0x003C, 0x0000, 0x0007, 0x0006, 0x0005, 0x001B, 0x0012, 0x0032,
+ 0x001D, 0x002B, 0x0030, 0x001C, 0x003D, 0x014B, 0x0529, 0x0008,
+ 0x001A, 0x0033, 0x0011, 0x002A, 0x0009, 0x0028, 0x0053, 0x0020
+ ], [
+ 0x000E, 0x0015, 0x0029, 0x003F, 0x004D, 0x02F1, 0x05E0, 0x0092,
+ 0x0048, 0x0000, 0x0006, 0x0006, 0x0005, 0x0004, 0x000F, 0x002E,
+ 0x001D, 0x0028, 0x0027, 0x005F, 0x00BD, 0x0179, 0x05E1, 0x0008,
+ 0x001E, 0x002D, 0x001C, 0x002C, 0x003E, 0x0025, 0x004C, 0x0093
+ ], [
+ 0x000C, 0x0017, 0x0035, 0x0013, 0x0021, 0x00AD, 0x06F1, 0x01BD,
+ 0x00D9, 0x0000, 0x0007, 0x0007, 0x0006, 0x0004, 0x0011, 0x002A,
+ 0x006E, 0x0025, 0x0024, 0x0057, 0x00D8, 0x0379, 0x06F0, 0x0005,
+ 0x0016, 0x0029, 0x006D, 0x0028, 0x0034, 0x0020, 0x00DF, 0x00AC
+ ], [
+ 0x0000, 0x001A, 0x0006, 0x0019, 0x0030, 0x005A, 0x018A, 0x02DD,
+ 0x018B, 0x0001, 0x0007, 0x000A, 0x0009, 0x0002, 0x0010, 0x002E,
+ 0x006E, 0x002C, 0x000E, 0x005E, 0x00C4, 0x05B9, 0x05B8, 0x0011,
+ 0x0036, 0x005F, 0x001E, 0x0063, 0x006F, 0x001F, 0x00B6, 0x016F
+ ]
+];
+const VP40_DC_BITS: [[u8; 32]; 16] = [
+ [
+ 5, 7, 9, 9, 10, 13, 14, 7, 14, 4, 4, 5, 4, 4, 4, 5,
+ 5, 4, 4, 3, 3, 4, 4, 6, 7, 8, 12, 11, 10, 10, 7, 8
+ ], [
+ 5, 7, 8, 7, 9, 11, 11, 7, 12, 4, 3, 4, 4, 4, 4, 5,
+ 5, 4, 4, 3, 4, 4, 6, 6, 6, 9, 11, 10, 10, 12, 7, 8
+ ], [
+ 5, 6, 8, 7, 9, 10, 12, 7, 13, 3, 3, 4, 4, 4, 4, 4,
+ 5, 4, 4, 4, 4, 5, 7, 6, 6, 9, 11, 10, 10, 13, 7, 8
+ ], [
+ 5, 6, 8, 7, 8, 11, 12, 6, 13, 3, 3, 4, 4, 4, 4, 4,
+ 5, 4, 4, 4, 4, 6, 9, 6, 6, 9, 11, 9, 11, 13, 6, 7
+ ], [
+ 4, 6, 7, 7, 8, 10, 11, 7, 12, 3, 3, 4, 4, 4, 4, 4,
+ 5, 4, 4, 4, 5, 7, 11, 5, 6, 9, 10, 9, 11, 12, 6, 8
+ ], [
+ 4, 6, 7, 7, 8, 10, 11, 7, 13, 3, 3, 4, 4, 4, 4, 4,
+ 5, 4, 4, 4, 5, 8, 12, 5, 6, 9, 10, 9, 10, 13, 6, 7
+ ], [
+ 4, 5, 7, 6, 7, 10, 11, 7, 12, 3, 3, 4, 4, 3, 4, 5,
+ 5, 4, 4, 5, 6, 10, 13, 5, 6, 9, 11, 9, 11, 13, 7, 7
+ ], [
+ 4, 5, 6, 6, 8, 9, 10, 8, 12, 3, 2, 4, 4, 4, 4, 4,
+ 5, 5, 5, 5, 8, 11, 13, 6, 6, 9, 11, 10, 11, 13, 7, 8
+ ], [
+ 4, 6, 7, 7, 9, 10, 10, 7, 6, 3, 3, 4, 4, 4, 5, 5,
+ 6, 5, 5, 5, 6, 7, 8, 4, 4, 5, 6, 6, 6, 6, 6, 7
+ ], [
+ 4, 6, 7, 7, 10, 11, 11, 8, 7, 3, 3, 4, 4, 4, 5, 5,
+ 6, 5, 5, 5, 6, 7, 9, 4, 4, 5, 6, 6, 5, 6, 6, 7
+ ], [
+ 4, 6, 7, 7, 10, 11, 11, 8, 7, 2, 3, 4, 4, 4, 5, 5,
+ 6, 5, 5, 6, 6, 8, 9, 5, 5, 6, 6, 6, 6, 6, 7, 8
+ ], [
+ 4, 5, 6, 6, 8, 10, 10, 8, 7, 3, 3, 4, 4, 4, 5, 5,
+ 6, 5, 5, 6, 7, 8, 9, 4, 4, 5, 6, 6, 5, 6, 7, 7
+ ], [
+ 4, 5, 6, 6, 7, 10, 11, 8, 7, 2, 3, 4, 4, 5, 5, 6,
+ 6, 6, 6, 6, 7, 9, 11, 4, 5, 6, 6, 6, 5, 6, 7, 7
+ ], [
+ 4, 5, 6, 6, 7, 10, 11, 8, 7, 2, 3, 4, 4, 4, 5, 6,
+ 6, 6, 6, 7, 8, 9, 11, 4, 5, 6, 6, 6, 6, 6, 7, 8
+ ], [
+ 4, 5, 6, 5, 6, 8, 11, 9, 8, 2, 3, 4, 4, 4, 5, 6,
+ 7, 6, 6, 7, 8, 10, 11, 4, 5, 6, 7, 6, 6, 6, 8, 8
+ ], [
+ 3, 5, 5, 5, 6, 7, 9, 10, 9, 2, 3, 4, 4, 4, 5, 6,
+ 7, 6, 6, 7, 8, 11, 11, 5, 6, 7, 7, 7, 7, 7, 8, 9
+ ]
+];
+const VP40_AC_CAT0_CODES: [[u32; 32]; 16] = [
+ [
+ 0x0006, 0x001E, 0x01CC, 0x01CE, 0x0734, 0x1CD5, 0x1CD4, 0x0018,
+ 0x0E6B, 0x0000, 0x000F, 0x0006, 0x0007, 0x000D, 0x0008, 0x0002,
+ 0x0019, 0x0005, 0x000B, 0x000A, 0x001D, 0x0027, 0x01CF, 0x0004,
+ 0x0038, 0x000E, 0x004C, 0x001F, 0x004D, 0x039B, 0x0012, 0x0072
+ ], [
+ 0x0009, 0x004B, 0x0090, 0x0091, 0x0745, 0x1D11, 0x1D10, 0x0019,
+ 0x0E89, 0x0000, 0x000F, 0x0008, 0x0007, 0x000D, 0x000B, 0x0002,
+ 0x001C, 0x0003, 0x000A, 0x0005, 0x0018, 0x0010, 0x01D0, 0x0006,
+ 0x003B, 0x0011, 0x004A, 0x0049, 0x00E9, 0x03A3, 0x0013, 0x0075
+ ], [
+ 0x0019, 0x0074, 0x001D, 0x00EA, 0x0073, 0x01CA, 0x0396, 0x001C,
+ 0x00E4, 0x0002, 0x0001, 0x0007, 0x0008, 0x000D, 0x0009, 0x001F,
+ 0x0018, 0x0000, 0x0006, 0x001E, 0x003B, 0x00EB, 0x0397, 0x000A,
+ 0x0002, 0x002C, 0x005B, 0x005A, 0x000F, 0x0038, 0x0017, 0x0006
+ ], [
+ 0x001E, 0x006F, 0x00AE, 0x00AF, 0x0187, 0x061B, 0x0C35, 0x001A,
+ 0x030C, 0x0002, 0x0001, 0x0007, 0x0008, 0x000E, 0x0009, 0x001F,
+ 0x0014, 0x0000, 0x0001, 0x0019, 0x002A, 0x0060, 0x0C34, 0x000B,
+ 0x000D, 0x0036, 0x006E, 0x0056, 0x0031, 0x00C2, 0x0018, 0x0019
+ ], [
+ 0x0001, 0x002C, 0x0005, 0x0015, 0x0008, 0x0097, 0x012D, 0x0017,
+ 0x004A, 0x0003, 0x0002, 0x0009, 0x000A, 0x000E, 0x0008, 0x001F,
+ 0x0007, 0x001E, 0x001B, 0x0004, 0x005A, 0x0024, 0x012C, 0x000C,
+ 0x0006, 0x0000, 0x0003, 0x005B, 0x0014, 0x0013, 0x001A, 0x000B
+ ], [
+ 0x0004, 0x0000, 0x0017, 0x0063, 0x018B, 0x0310, 0x0C44, 0x0019,
+ 0x0623, 0x0004, 0x0003, 0x000A, 0x000B, 0x000D, 0x0003, 0x001C,
+ 0x0003, 0x000A, 0x0004, 0x0003, 0x018A, 0x188B, 0x188A, 0x000F,
+ 0x000B, 0x0002, 0x000A, 0x0002, 0x0016, 0x0189, 0x001D, 0x0030
+ ], [
+ 0x000D, 0x0003, 0x0077, 0x000D, 0x0082, 0x020D, 0x0830, 0x0019,
+ 0x0419, 0x0003, 0x0002, 0x000A, 0x0009, 0x000B, 0x0002, 0x0011,
+ 0x0039, 0x0002, 0x0021, 0x0040, 0x1063, 0x20C5, 0x20C4, 0x000F,
+ 0x0018, 0x0007, 0x0038, 0x000C, 0x0076, 0x0107, 0x0000, 0x003A
+ ], [
+ 0x000F, 0x001C, 0x0036, 0x0008, 0x0061, 0x0091, 0x0243, 0x0009,
+ 0x0120, 0x0005, 0x0003, 0x0008, 0x0005, 0x0001, 0x0013, 0x0031,
+ 0x0076, 0x0060, 0x0093, 0x0909, 0x0908, 0x090B, 0x090A, 0x0001,
+ 0x001A, 0x0019, 0x003A, 0x0025, 0x0077, 0x0092, 0x0000, 0x0037
+ ], [
+ 0x001F, 0x0079, 0x00F1, 0x00F0, 0x011B, 0x0469, 0x0468, 0x003B,
+ 0x0022, 0x0005, 0x0004, 0x0007, 0x0005, 0x0006, 0x001C, 0x0001,
+ 0x0035, 0x003D, 0x003A, 0x0010, 0x0047, 0x008C, 0x0235, 0x0001,
+ 0x0001, 0x0019, 0x0000, 0x0030, 0x0009, 0x0031, 0x001B, 0x0034
+ ], [
+ 0x0003, 0x001B, 0x00F3, 0x00FD, 0x03C9, 0x0F20, 0x1E42, 0x003D,
+ 0x00FC, 0x0006, 0x0004, 0x0002, 0x0000, 0x0001, 0x0017, 0x003E,
+ 0x001A, 0x0039, 0x002B, 0x0078, 0x01E5, 0x0791, 0x1E43, 0x0002,
+ 0x0007, 0x001D, 0x000C, 0x0038, 0x0014, 0x007F, 0x0016, 0x002A
+ ], [
+ 0x0007, 0x0039, 0x0051, 0x0078, 0x03CB, 0x0F29, 0x1E51, 0x003D,
+ 0x00F3, 0x0006, 0x0004, 0x0002, 0x0000, 0x0001, 0x0017, 0x003E,
+ 0x007F, 0x002B, 0x007E, 0x0050, 0x01E4, 0x0795, 0x1E50, 0x0002,
+ 0x0006, 0x001D, 0x0006, 0x0038, 0x0007, 0x0029, 0x0016, 0x002A
+ ], [
+ 0x0008, 0x003B, 0x001D, 0x0072, 0x01CC, 0x0734, 0x1CD5, 0x003A,
+ 0x001C, 0x0006, 0x0005, 0x0002, 0x0001, 0x0000, 0x0012, 0x003E,
+ 0x007F, 0x001E, 0x007E, 0x00E7, 0x039B, 0x0E6B, 0x1CD4, 0x0002,
+ 0x0006, 0x001E, 0x000E, 0x0038, 0x0006, 0x000F, 0x0013, 0x001F
+ ], [
+ 0x000D, 0x003F, 0x0073, 0x000C, 0x00E4, 0x072B, 0x0E54, 0x003A,
+ 0x001A, 0x0005, 0x0004, 0x0002, 0x0001, 0x0000, 0x0007, 0x0038,
+ 0x0076, 0x0077, 0x001B, 0x01CB, 0x0394, 0x1CAB, 0x1CAA, 0x0002,
+ 0x0006, 0x001E, 0x000E, 0x003E, 0x0019, 0x001F, 0x0018, 0x001E
+ ], [
+ 0x000E, 0x0007, 0x000C, 0x001C, 0x00BD, 0x02F3, 0x0BC9, 0x001F,
+ 0x00BF, 0x0006, 0x0004, 0x0002, 0x0001, 0x001E, 0x0001, 0x000D,
+ 0x003A, 0x003B, 0x00BE, 0x0178, 0x05E5, 0x1791, 0x1790, 0x0002,
+ 0x0006, 0x001F, 0x0016, 0x0000, 0x0015, 0x002E, 0x0014, 0x001E
+ ], [
+ 0x0000, 0x001B, 0x0031, 0x003A, 0x0060, 0x006F, 0x01B9, 0x000E,
+ 0x001A, 0x0005, 0x0003, 0x0002, 0x001F, 0x001A, 0x0039, 0x000C,
+ 0x00C3, 0x00C2, 0x0036, 0x00DD, 0x0370, 0x06E3, 0x06E2, 0x0002,
+ 0x0008, 0x001E, 0x0019, 0x003B, 0x0012, 0x000F, 0x0013, 0x0038
+ ], [
+ 0x0002, 0x0000, 0x0003, 0x001C, 0x0032, 0x001C, 0x0199, 0x0004,
+ 0x00CD, 0x0004, 0x0003, 0x001B, 0x001A, 0x003D, 0x0067, 0x003B,
+ 0x0198, 0x0075, 0x00E9, 0x03A1, 0x03A0, 0x03A3, 0x03A2, 0x0005,
+ 0x0002, 0x001F, 0x001D, 0x003C, 0x0018, 0x000F, 0x0006, 0x0005
+ ]
+];
+const VP40_AC_CAT0_BITS: [[u8; 32]; 16] = [
+ [
+ 5, 7, 9, 9, 11, 13, 13, 5, 12, 3, 4, 4, 4, 4, 4, 4,
+ 5, 4, 4, 4, 5, 6, 9, 4, 6, 6, 7, 7, 7, 10, 5, 7
+ ], [
+ 5, 7, 8, 8, 11, 13, 13, 5, 12, 3, 4, 4, 4, 4, 4, 4,
+ 5, 4, 4, 4, 5, 6, 9, 4, 6, 6, 7, 7, 8, 10, 5, 7
+ ], [
+ 5, 7, 8, 8, 10, 12, 13, 5, 11, 3, 3, 4, 4, 4, 4, 5,
+ 5, 4, 4, 5, 6, 8, 13, 4, 5, 6, 7, 7, 7, 9, 5, 6
+ ], [
+ 5, 7, 8, 8, 10, 12, 13, 5, 11, 3, 3, 4, 4, 4, 4, 5,
+ 5, 4, 4, 5, 6, 8, 13, 4, 5, 6, 7, 7, 7, 9, 5, 6
+ ], [
+ 4, 6, 7, 7, 8, 12, 13, 5, 11, 3, 3, 4, 4, 4, 4, 5,
+ 5, 5, 5, 5, 7, 10, 13, 4, 5, 5, 6, 7, 7, 9, 5, 6
+ ], [
+ 4, 5, 7, 7, 9, 10, 12, 5, 11, 3, 3, 4, 4, 4, 4, 5,
+ 5, 5, 5, 6, 9, 13, 13, 4, 5, 5, 6, 6, 7, 9, 5, 6
+ ], [
+ 4, 5, 7, 6, 8, 10, 12, 5, 11, 3, 3, 4, 4, 4, 4, 5,
+ 6, 5, 6, 7, 13, 14, 14, 4, 5, 5, 6, 6, 7, 9, 4, 6
+ ], [
+ 4, 5, 6, 5, 7, 8, 10, 5, 9, 3, 3, 4, 4, 4, 5, 6,
+ 7, 7, 8, 12, 12, 12, 12, 3, 5, 5, 6, 6, 7, 8, 4, 6
+ ], [
+ 5, 7, 8, 8, 10, 12, 12, 6, 7, 3, 3, 4, 4, 4, 5, 5,
+ 6, 6, 6, 6, 8, 9, 11, 3, 4, 5, 5, 6, 5, 6, 5, 6
+ ], [
+ 4, 6, 8, 8, 10, 12, 13, 6, 8, 3, 3, 4, 4, 4, 5, 6,
+ 6, 6, 6, 7, 9, 11, 13, 3, 4, 5, 5, 6, 5, 7, 5, 6
+ ], [
+ 4, 6, 7, 7, 10, 12, 13, 6, 8, 3, 3, 4, 4, 4, 5, 6,
+ 7, 6, 7, 7, 9, 11, 13, 3, 4, 5, 5, 6, 5, 6, 5, 6
+ ], [
+ 4, 6, 7, 7, 9, 11, 13, 6, 7, 3, 3, 4, 4, 4, 5, 6,
+ 7, 6, 7, 8, 10, 12, 13, 3, 4, 5, 5, 6, 5, 6, 5, 6
+ ], [
+ 4, 6, 7, 6, 8, 11, 12, 6, 7, 3, 3, 4, 4, 4, 5, 6,
+ 7, 7, 7, 9, 10, 13, 13, 3, 4, 5, 5, 6, 5, 6, 5, 6
+ ], [
+ 4, 5, 6, 6, 8, 10, 12, 6, 8, 3, 3, 4, 4, 5, 5, 6,
+ 7, 7, 8, 9, 11, 13, 13, 3, 4, 5, 5, 5, 5, 6, 5, 6
+ ], [
+ 3, 5, 6, 6, 7, 9, 11, 6, 7, 3, 3, 4, 5, 5, 6, 6,
+ 8, 8, 8, 10, 12, 13, 13, 3, 4, 5, 5, 6, 5, 6, 5, 6
+ ], [
+ 3, 4, 5, 5, 6, 7, 9, 6, 8, 3, 3, 5, 5, 6, 7, 8,
+ 9, 9, 10, 12, 12, 12, 12, 3, 4, 5, 5, 6, 5, 6, 5, 6
+ ]
+];
+const VP40_AC_CAT1_CODES: [[u32; 32]; 16] = [
+ [
+ 0x0004, 0x00F5, 0x0182, 0x060F, 0x1839, 0x1838, 0x183B, 0x0013,
+ 0x00C0, 0x0003, 0x0002, 0x000B, 0x000A, 0x000E, 0x0008, 0x0001,
+ 0x0012, 0x001F, 0x0000, 0x0006, 0x007B, 0x0306, 0x183A, 0x000D,
+ 0x0007, 0x0031, 0x000A, 0x0061, 0x003C, 0x00F4, 0x0019, 0x000B
+ ], [
+ 0x000A, 0x001A, 0x01D8, 0x03B3, 0x0ECA, 0x1D96, 0x3B2F, 0x0014,
+ 0x0036, 0x0004, 0x0003, 0x000C, 0x000B, 0x0000, 0x0004, 0x001C,
+ 0x0005, 0x0015, 0x0007, 0x0017, 0x0037, 0x0764, 0x3B2E, 0x000F,
+ 0x001A, 0x003A, 0x000C, 0x0077, 0x0004, 0x00ED, 0x001B, 0x0016
+ ], [
+ 0x001A, 0x002D, 0x0058, 0x01F4, 0x07D4, 0x1F55, 0x1F54, 0x0014,
+ 0x0059, 0x0004, 0x0003, 0x000B, 0x000C, 0x000E, 0x0004, 0x0015,
+ 0x0005, 0x0007, 0x0004, 0x007C, 0x03EB, 0x1F57, 0x1F56, 0x0000,
+ 0x001B, 0x003F, 0x000D, 0x000C, 0x000A, 0x00FB, 0x001E, 0x0017
+ ], [
+ 0x0000, 0x0075, 0x004A, 0x0097, 0x025B, 0x0969, 0x0968, 0x000B,
+ 0x00E8, 0x0005, 0x0004, 0x0007, 0x000C, 0x000D, 0x0001, 0x000A,
+ 0x0039, 0x003B, 0x0018, 0x00E9, 0x012C, 0x096B, 0x096A, 0x0001,
+ 0x001F, 0x0008, 0x0019, 0x0013, 0x000D, 0x0024, 0x001E, 0x0038
+ ], [
+ 0x0004, 0x0014, 0x006E, 0x0057, 0x0159, 0x0562, 0x0AC7, 0x000B,
+ 0x006F, 0x0006, 0x0005, 0x0008, 0x0009, 0x0007, 0x001E, 0x0002,
+ 0x0007, 0x0006, 0x002A, 0x00AD, 0x0AC6, 0x0561, 0x0560, 0x0001,
+ 0x001F, 0x000C, 0x0039, 0x001A, 0x0000, 0x0036, 0x001D, 0x0038
+ ], [
+ 0x0007, 0x001B, 0x000E, 0x000D, 0x03E1, 0x1F06, 0x3E0F, 0x0002,
+ 0x00F9, 0x0005, 0x0006, 0x0008, 0x0009, 0x0004, 0x000C, 0x001A,
+ 0x000F, 0x000C, 0x01F1, 0x07C0, 0x3E0E, 0x1F05, 0x1F04, 0x0001,
+ 0x0000, 0x001C, 0x003F, 0x003D, 0x0005, 0x007D, 0x001D, 0x003C
+ ], [
+ 0x000F, 0x000A, 0x0071, 0x0006, 0x01C2, 0x0702, 0x1C0E, 0x0002,
+ 0x000E, 0x0005, 0x0004, 0x0006, 0x0007, 0x001D, 0x0017, 0x000F,
+ 0x01C3, 0x01C1, 0x0380, 0x381F, 0x381E, 0x1C0D, 0x1C0C, 0x0001,
+ 0x0004, 0x0018, 0x0001, 0x0000, 0x000D, 0x0016, 0x0019, 0x0039
+ ], [
+ 0x0002, 0x001E, 0x003B, 0x000D, 0x0061, 0x01FA, 0x1FB5, 0x0031,
+ 0x00FC, 0x0004, 0x0005, 0x0001, 0x0007, 0x003A, 0x0060, 0x03F7,
+ 0x07EC, 0x1FB7, 0x3F6C, 0x7EDB, 0x7EDA, 0x3F69, 0x3F68, 0x0001,
+ 0x0000, 0x0019, 0x003E, 0x0039, 0x000D, 0x0038, 0x000C, 0x007F
+ ], [
+ 0x001E, 0x0070, 0x0127, 0x0126, 0x0492, 0x124D, 0x124C, 0x0001,
+ 0x007F, 0x0006, 0x0005, 0x0005, 0x0004, 0x0001, 0x0007, 0x0025,
+ 0x0071, 0x007E, 0x0048, 0x0125, 0x0248, 0x124F, 0x124E, 0x0003,
+ 0x0008, 0x001D, 0x0006, 0x003E, 0x0002, 0x0000, 0x0013, 0x0039
+ ], [
+ 0x0001, 0x0001, 0x00E7, 0x0091, 0x0240, 0x120D, 0x120C, 0x003C,
+ 0x0000, 0x0006, 0x0005, 0x0005, 0x0004, 0x001F, 0x0004, 0x0025,
+ 0x0072, 0x0049, 0x00E6, 0x0121, 0x0482, 0x120F, 0x120E, 0x0003,
+ 0x0008, 0x001D, 0x0005, 0x003D, 0x0003, 0x0001, 0x0013, 0x0038
+ ], [
+ 0x0004, 0x000F, 0x00F4, 0x005B, 0x02D3, 0x0B4A, 0x1697, 0x003C,
+ 0x000E, 0x0006, 0x0005, 0x0002, 0x0001, 0x001D, 0x0000, 0x007B,
+ 0x002C, 0x00F5, 0x00B5, 0x0168, 0x1696, 0x0B49, 0x0B48, 0x0003,
+ 0x0009, 0x001F, 0x000A, 0x0001, 0x0008, 0x0006, 0x001C, 0x0017
+ ], [
+ 0x0008, 0x0039, 0x001A, 0x0003, 0x00DB, 0x06D6, 0x0DAF, 0x003C,
+ 0x000C, 0x0006, 0x0005, 0x0002, 0x0001, 0x001D, 0x003D, 0x0000,
+ 0x0002, 0x0037, 0x006C, 0x01B4, 0x0DAE, 0x06D5, 0x06D4, 0x0002,
+ 0x0007, 0x001F, 0x0007, 0x0001, 0x0009, 0x000D, 0x000C, 0x0038
+ ], [
+ 0x000F, 0x0004, 0x002F, 0x002E, 0x0054, 0x0555, 0x0554, 0x0016,
+ 0x000E, 0x0006, 0x0005, 0x0001, 0x0000, 0x0009, 0x000B, 0x0014,
+ 0x0057, 0x0056, 0x00AB, 0x0557, 0x0556, 0x02A9, 0x02A8, 0x0003,
+ 0x0008, 0x0013, 0x000A, 0x0008, 0x000E, 0x0012, 0x0006, 0x000F
+ ], [
+ 0x0001, 0x000E, 0x0006, 0x0004, 0x00DA, 0x0DBE, 0x1B7E, 0x0007,
+ 0x001A, 0x0005, 0x0004, 0x001C, 0x001B, 0x003A, 0x0037, 0x006C,
+ 0x01B6, 0x036E, 0x0DBD, 0x36FF, 0x36FE, 0x1B79, 0x1B78, 0x0002,
+ 0x000C, 0x0000, 0x000F, 0x000C, 0x000F, 0x001A, 0x003B, 0x0005
+ ], [
+ 0x0005, 0x001E, 0x003A, 0x003E, 0x00FC, 0x0FD7, 0x3F55, 0x0077,
+ 0x0030, 0x0003, 0x0004, 0x001A, 0x0019, 0x007F, 0x01FB, 0x03F4,
+ 0x0FD6, 0x1FA9, 0x3F54, 0x3F57, 0x3F56, 0x3F51, 0x3F50, 0x0001,
+ 0x0004, 0x001C, 0x000B, 0x000A, 0x0000, 0x001B, 0x0031, 0x0076
+ ], [
+ 0x0005, 0x000C, 0x001B, 0x0008, 0x0038, 0x0015, 0x00A3, 0x00E6,
+ 0x0004, 0x0001, 0x0002, 0x0012, 0x0003, 0x000B, 0x0029, 0x00A0,
+ 0x0142, 0x0287, 0x0286, 0x0289, 0x0288, 0x028B, 0x028A, 0x000F,
+ 0x001D, 0x0013, 0x0001, 0x0000, 0x0003, 0x001A, 0x0072, 0x00E7
+ ]
+];
+const VP40_AC_CAT1_BITS: [[u8; 32]; 16] = [
+ [
+ 5, 8, 9, 11, 13, 13, 13, 5, 8, 3, 3, 4, 4, 4, 4, 4,
+ 5, 5, 4, 5, 7, 10, 13, 4, 5, 6, 6, 7, 6, 8, 5, 6
+ ], [
+ 5, 7, 9, 10, 12, 13, 14, 5, 8, 3, 3, 4, 4, 3, 4, 5,
+ 5, 5, 5, 6, 8, 11, 14, 4, 5, 6, 6, 7, 5, 8, 5, 6
+ ], [
+ 5, 7, 8, 9, 11, 13, 13, 5, 8, 3, 3, 4, 4, 4, 4, 5,
+ 5, 5, 5, 7, 10, 13, 13, 3, 5, 6, 6, 6, 5, 8, 5, 6
+ ], [
+ 4, 7, 8, 9, 11, 13, 13, 5, 8, 3, 3, 4, 4, 4, 4, 5,
+ 6, 6, 6, 8, 10, 13, 13, 3, 5, 5, 6, 6, 5, 7, 5, 6
+ ], [
+ 4, 6, 8, 8, 10, 12, 13, 5, 8, 3, 3, 4, 4, 4, 5, 5,
+ 6, 6, 7, 9, 13, 12, 12, 3, 5, 5, 6, 6, 4, 7, 5, 6
+ ], [
+ 4, 6, 7, 7, 10, 13, 14, 5, 8, 3, 3, 4, 4, 4, 5, 6,
+ 7, 7, 9, 11, 14, 13, 13, 3, 4, 5, 6, 6, 4, 7, 5, 6
+ ], [
+ 4, 5, 7, 6, 9, 11, 13, 5, 7, 3, 3, 4, 4, 5, 6, 7,
+ 9, 9, 10, 14, 14, 13, 13, 3, 4, 5, 5, 5, 4, 6, 5, 6
+ ], [
+ 3, 5, 6, 5, 7, 9, 13, 6, 8, 3, 3, 4, 4, 6, 7, 10,
+ 11, 13, 14, 15, 15, 14, 14, 3, 4, 5, 6, 6, 4, 6, 5, 7
+ ], [
+ 5, 7, 9, 9, 11, 13, 13, 5, 7, 3, 3, 4, 4, 4, 5, 6,
+ 7, 7, 7, 9, 10, 13, 13, 3, 4, 5, 5, 6, 4, 5, 5, 6
+ ], [
+ 4, 6, 8, 8, 10, 13, 13, 6, 6, 3, 3, 4, 4, 5, 5, 6,
+ 7, 7, 8, 9, 11, 13, 13, 3, 4, 5, 5, 6, 4, 5, 5, 6
+ ], [
+ 4, 6, 8, 8, 11, 13, 14, 6, 6, 3, 3, 4, 4, 5, 5, 7,
+ 7, 8, 9, 10, 14, 13, 13, 3, 4, 5, 5, 5, 4, 5, 5, 6
+ ], [
+ 4, 6, 7, 7, 10, 13, 14, 6, 6, 3, 3, 4, 4, 5, 6, 6,
+ 7, 8, 9, 11, 14, 13, 13, 3, 4, 5, 5, 5, 4, 5, 5, 6
+ ], [
+ 4, 5, 7, 7, 9, 13, 13, 6, 6, 3, 3, 4, 4, 5, 6, 7,
+ 9, 9, 10, 13, 13, 12, 12, 3, 4, 5, 5, 5, 4, 5, 5, 6
+ ], [
+ 3, 5, 6, 6, 9, 13, 14, 6, 6, 3, 3, 5, 5, 6, 7, 8,
+ 10, 11, 13, 15, 15, 14, 14, 3, 4, 4, 5, 5, 4, 5, 6, 6
+ ], [
+ 3, 5, 6, 6, 8, 12, 14, 7, 6, 3, 3, 5, 5, 7, 9, 10,
+ 12, 13, 14, 14, 14, 14, 14, 3, 4, 5, 5, 5, 3, 5, 6, 7
+ ], [
+ 3, 4, 5, 4, 6, 8, 11, 8, 6, 3, 3, 5, 5, 7, 9, 11,
+ 12, 13, 13, 13, 13, 13, 13, 4, 5, 5, 5, 5, 3, 5, 7, 8
+ ]
+];
+const VP40_AC_CAT2_CODES: [[u32; 32]; 16] = [
+ [
+ 0x0009, 0x0015, 0x0028, 0x0052, 0x029A, 0x0537, 0x0536, 0x000A,
+ 0x0054, 0x0004, 0x0003, 0x000C, 0x000B, 0x000D, 0x0003, 0x0014,
+ 0x003A, 0x0004, 0x0038, 0x0055, 0x00A7, 0x0299, 0x0298, 0x0000,
+ 0x001E, 0x0008, 0x002B, 0x000B, 0x000B, 0x003B, 0x001F, 0x0039
+ ], [
+ 0x001D, 0x002F, 0x0002, 0x0007, 0x0019, 0x0035, 0x0034, 0x0009,
+ 0x002E, 0x0006, 0x0005, 0x0009, 0x0008, 0x0007, 0x001F, 0x0008,
+ 0x0018, 0x0019, 0x0001, 0x0000, 0x0018, 0x0037, 0x0036, 0x0001,
+ 0x0001, 0x000A, 0x0039, 0x0016, 0x000D, 0x0001, 0x001E, 0x0038
+ ], [
+ 0x0001, 0x0071, 0x00E0, 0x01C3, 0x0708, 0x1C26, 0x384F, 0x0001,
+ 0x0031, 0x0006, 0x0005, 0x0009, 0x0008, 0x0005, 0x000F, 0x0039,
+ 0x0077, 0x0076, 0x0030, 0x0385, 0x384E, 0x1C25, 0x1C24, 0x0001,
+ 0x0004, 0x000D, 0x0000, 0x0019, 0x001F, 0x000E, 0x001E, 0x003A
+ ], [
+ 0x0006, 0x000C, 0x00D6, 0x007B, 0x01E8, 0x07A4, 0x0F4B, 0x0036,
+ 0x006A, 0x0007, 0x0005, 0x0008, 0x0009, 0x0001, 0x0007, 0x000D,
+ 0x003C, 0x00D7, 0x00F5, 0x07A7, 0x0F4A, 0x0F4D, 0x0F4C, 0x0002,
+ 0x0002, 0x000E, 0x0037, 0x0034, 0x0000, 0x0019, 0x0018, 0x001F
+ ], [
+ 0x000A, 0x0027, 0x00BF, 0x00BE, 0x0224, 0x225D, 0x225C, 0x0026,
+ 0x005E, 0x0007, 0x0006, 0x0006, 0x0007, 0x0016, 0x002E, 0x0045,
+ 0x0088, 0x0113, 0x044A, 0x225F, 0x225E, 0x112D, 0x112C, 0x0002,
+ 0x0002, 0x0012, 0x0003, 0x0002, 0x0003, 0x0000, 0x0010, 0x0023
+ ], [
+ 0x000F, 0x0006, 0x0075, 0x0074, 0x000A, 0x00BF, 0x00B9, 0x0022,
+ 0x0003, 0x0005, 0x0006, 0x0001, 0x0002, 0x0007, 0x0000, 0x0004,
+ 0x0016, 0x005E, 0x00B8, 0x00BB, 0x00BA, 0x017D, 0x017C, 0x0002,
+ 0x0006, 0x001C, 0x0010, 0x003B, 0x0009, 0x0007, 0x0001, 0x0023
+ ], [
+ 0x0001, 0x001C, 0x0036, 0x003B, 0x00EA, 0x075B, 0x1D65, 0x0019,
+ 0x0074, 0x0004, 0x0005, 0x0000, 0x0001, 0x0037, 0x01D7, 0x075A,
+ 0x1D64, 0x1D67, 0x1D66, 0x1D61, 0x1D60, 0x1D63, 0x1D62, 0x0002,
+ 0x001F, 0x001A, 0x000D, 0x003D, 0x000C, 0x0007, 0x003C, 0x0018
+ ], [
+ 0x0002, 0x0001, 0x0014, 0x0000, 0x002F, 0x00BB, 0x02E4, 0x007D,
+ 0x00BA, 0x0003, 0x0004, 0x0016, 0x001A, 0x00B8, 0x172E, 0x2E5F,
+ 0x2E5E, 0x1729, 0x1728, 0x172B, 0x172A, 0x172D, 0x172C, 0x0001,
+ 0x001E, 0x0015, 0x001B, 0x003F, 0x000C, 0x000E, 0x007C, 0x0173
+ ], [
+ 0x0003, 0x007B, 0x0058, 0x01EA, 0x1EB1, 0x1EB0, 0x1EB3, 0x0013,
+ 0x0012, 0x0005, 0x0006, 0x0002, 0x0001, 0x0013, 0x003C, 0x002D,
+ 0x00F4, 0x0059, 0x03D7, 0x0F5B, 0x1EB2, 0x1EB5, 0x1EB4, 0x0003,
+ 0x000E, 0x001F, 0x0012, 0x0008, 0x0008, 0x0000, 0x000A, 0x0017
+ ], [
+ 0x0008, 0x003C, 0x00F5, 0x00F4, 0x1EF7, 0x3DE9, 0x3DE8, 0x001C,
+ 0x000D, 0x0005, 0x0006, 0x0001, 0x0000, 0x0007, 0x000C, 0x00F6,
+ 0x01EE, 0x03DF, 0x07BC, 0x3DEB, 0x3DEA, 0x3DED, 0x3DEC, 0x0002,
+ 0x0009, 0x001F, 0x000F, 0x0005, 0x000E, 0x0006, 0x0004, 0x001D
+ ], [
+ 0x0009, 0x0039, 0x0019, 0x0018, 0x0706, 0x383D, 0x383C, 0x000D,
+ 0x000F, 0x0005, 0x0006, 0x0000, 0x001D, 0x0003, 0x0071, 0x00E1,
+ 0x01C0, 0x0382, 0x1C1D, 0x383F, 0x383E, 0x3839, 0x3838, 0x0002,
+ 0x0008, 0x0002, 0x000D, 0x000C, 0x000F, 0x0007, 0x0002, 0x000E
+ ], [
+ 0x0000, 0x0006, 0x0035, 0x0034, 0x0777, 0x1DD4, 0x3BAB, 0x000E,
+ 0x000F, 0x0005, 0x0004, 0x001C, 0x0019, 0x003A, 0x00EF, 0x01DC,
+ 0x0776, 0x0774, 0x3BAA, 0x3BAD, 0x3BAC, 0x3BAF, 0x3BAE, 0x0002,
+ 0x0007, 0x0002, 0x0018, 0x000C, 0x000F, 0x000D, 0x001B, 0x0076
+ ], [
+ 0x0002, 0x0011, 0x0006, 0x004F, 0x0130, 0x1319, 0x1318, 0x004E,
+ 0x0007, 0x0006, 0x0005, 0x0010, 0x000D, 0x0005, 0x0099, 0x0262,
+ 0x098E, 0x131B, 0x131A, 0x263D, 0x263C, 0x263F, 0x263E, 0x0001,
+ 0x0007, 0x0000, 0x0012, 0x000C, 0x000E, 0x000F, 0x0004, 0x004D
+ ], [
+ 0x0003, 0x0000, 0x0002, 0x0037, 0x01B7, 0x0DB5, 0x36DD, 0x006C,
+ 0x0016, 0x0005, 0x0004, 0x0003, 0x000A, 0x002E, 0x036C, 0x0DB4,
+ 0x36DC, 0x36DF, 0x36DE, 0x36D9, 0x36D8, 0x36DB, 0x36DA, 0x000E,
+ 0x0004, 0x001A, 0x0019, 0x0018, 0x000F, 0x0001, 0x002F, 0x00DA
+ ], [
+ 0x0006, 0x0006, 0x000F, 0x0000, 0x0075, 0x03B8, 0x1DCA, 0x0074,
+ 0x0076, 0x0004, 0x0005, 0x0003, 0x0002, 0x01DE, 0x0EE6, 0x3B97,
+ 0x3B96, 0x3B9D, 0x3B9C, 0x3B9F, 0x3B9E, 0x1DC9, 0x1DC8, 0x0005,
+ 0x001C, 0x0009, 0x000E, 0x0008, 0x000F, 0x0001, 0x01DF, 0x01DD
+ ], [
+ 0x0004, 0x000B, 0x001D, 0x000C, 0x0014, 0x00E0, 0x3875, 0x0386,
+ 0x01C2, 0x0000, 0x0001, 0x0071, 0x0072, 0x1C3F, 0x3874, 0x3877,
+ 0x3876, 0x3871, 0x3870, 0x3873, 0x3872, 0x3879, 0x3878, 0x003C,
+ 0x0073, 0x002A, 0x003D, 0x002B, 0x001F, 0x000D, 0x1C3E, 0x1C3D
+ ]
+];
+const VP40_AC_CAT2_BITS: [[u8; 32]; 16] = [
+ [
+ 5, 7, 8, 9, 12, 13, 13, 5, 7, 3, 3, 4, 4, 4, 4, 5,
+ 6, 5, 6, 7, 10, 12, 12, 3, 5, 5, 6, 6, 5, 6, 5, 6
+ ], [
+ 5, 7, 8, 9, 11, 12, 12, 5, 7, 3, 3, 4, 4, 4, 5, 5,
+ 6, 6, 6, 7, 11, 12, 12, 3, 4, 5, 6, 6, 5, 5, 5, 6
+ ], [
+ 4, 7, 8, 9, 11, 13, 14, 5, 7, 3, 3, 4, 4, 4, 5, 6,
+ 7, 7, 7, 10, 14, 13, 13, 3, 4, 5, 5, 6, 5, 5, 5, 6
+ ], [
+ 4, 6, 8, 8, 10, 12, 13, 6, 7, 3, 3, 4, 4, 4, 5, 6,
+ 7, 8, 9, 12, 13, 13, 13, 3, 4, 5, 6, 6, 4, 5, 5, 6
+ ], [
+ 4, 6, 8, 8, 10, 14, 14, 6, 7, 3, 3, 4, 4, 5, 6, 7,
+ 8, 9, 11, 14, 14, 13, 13, 3, 4, 5, 5, 5, 4, 4, 5, 6
+ ], [
+ 4, 5, 7, 7, 9, 13, 13, 6, 7, 3, 3, 4, 4, 5, 6, 8,
+ 10, 12, 13, 13, 13, 14, 14, 3, 4, 5, 5, 6, 4, 4, 5, 6
+ ], [
+ 3, 5, 6, 6, 8, 11, 13, 6, 7, 3, 3, 4, 4, 6, 9, 11,
+ 13, 13, 13, 13, 13, 13, 13, 3, 5, 5, 5, 6, 4, 4, 6, 6
+ ], [
+ 3, 4, 5, 4, 6, 8, 10, 7, 8, 3, 3, 5, 5, 8, 13, 14,
+ 14, 13, 13, 13, 13, 13, 13, 3, 5, 5, 5, 6, 4, 4, 7, 9
+ ], [
+ 4, 7, 8, 9, 13, 13, 13, 6, 6, 3, 3, 4, 4, 5, 6, 7,
+ 8, 8, 10, 12, 13, 13, 13, 3, 4, 5, 5, 5, 4, 4, 5, 6
+ ], [
+ 4, 6, 8, 8, 13, 14, 14, 6, 6, 3, 3, 4, 4, 5, 6, 8,
+ 9, 10, 11, 14, 14, 14, 14, 3, 4, 5, 5, 5, 4, 4, 5, 6
+ ], [
+ 4, 6, 7, 7, 11, 14, 14, 6, 6, 3, 3, 4, 5, 5, 7, 8,
+ 9, 10, 13, 14, 14, 14, 14, 3, 4, 4, 5, 5, 4, 4, 5, 6
+ ], [
+ 3, 5, 7, 7, 11, 13, 14, 6, 6, 3, 3, 5, 5, 6, 8, 9,
+ 11, 11, 14, 14, 14, 14, 14, 3, 4, 4, 5, 5, 4, 4, 6, 7
+ ], [
+ 3, 5, 6, 7, 9, 13, 13, 7, 6, 3, 3, 5, 5, 6, 8, 10,
+ 12, 13, 13, 14, 14, 14, 14, 3, 4, 4, 5, 5, 4, 4, 6, 7
+ ], [
+ 3, 4, 5, 6, 9, 12, 14, 7, 6, 3, 3, 5, 5, 7, 10, 12,
+ 14, 14, 14, 14, 14, 14, 14, 4, 4, 5, 5, 5, 4, 3, 7, 8
+ ], [
+ 3, 4, 5, 4, 7, 10, 13, 7, 7, 3, 3, 5, 5, 9, 12, 14,
+ 14, 14, 14, 14, 14, 13, 13, 4, 5, 5, 5, 5, 4, 3, 9, 9
+ ], [
+ 3, 4, 5, 4, 5, 8, 14, 10, 9, 2, 2, 7, 7, 13, 14, 14,
+ 14, 14, 14, 14, 14, 14, 14, 6, 7, 6, 6, 6, 5, 4, 13, 13
+ ]
+];
+const VP40_AC_CAT3_CODES: [[u32; 32]; 16] = [
+ [
+ 0x0007, 0x000F, 0x00BB, 0x00BA, 0x05CF, 0x173A, 0x2E77, 0x0029,
+ 0x0172, 0x0007, 0x0006, 0x0009, 0x0008, 0x0001, 0x0005, 0x000D,
+ 0x001D, 0x001C, 0x00B8, 0x02E6, 0x2E76, 0x1739, 0x1738, 0x0002,
+ 0x0006, 0x0016, 0x0004, 0x0028, 0x0015, 0x000C, 0x0000, 0x002F
+ ], [
+ 0x000B, 0x0002, 0x0054, 0x002F, 0x02AC, 0x156B, 0x1568, 0x0016,
+ 0x0154, 0x0007, 0x0006, 0x0004, 0x0003, 0x0013, 0x0028, 0x002E,
+ 0x0157, 0x0155, 0x055B, 0x2AD3, 0x2AD2, 0x2AD5, 0x2AD4, 0x0003,
+ 0x0008, 0x0000, 0x000A, 0x0003, 0x0002, 0x002B, 0x0012, 0x0029
+ ], [
+ 0x000F, 0x0007, 0x0001, 0x0000, 0x01C4, 0x0703, 0x0E02, 0x0011,
+ 0x00E1, 0x0005, 0x0006, 0x0002, 0x0001, 0x0009, 0x0010, 0x00E3,
+ 0x01C5, 0x01C1, 0x0702, 0x1C07, 0x1C06, 0x0E01, 0x0E00, 0x0004,
+ 0x0007, 0x001D, 0x000D, 0x0001, 0x0005, 0x0006, 0x000C, 0x0039
+ ], [
+ 0x0001, 0x001C, 0x0011, 0x0013, 0x0042, 0x0207, 0x0815, 0x0075,
+ 0x0041, 0x0005, 0x0006, 0x0000, 0x001F, 0x003B, 0x0074, 0x0043,
+ 0x0080, 0x0206, 0x0814, 0x0817, 0x0816, 0x0409, 0x0408, 0x0003,
+ 0x0009, 0x001E, 0x0011, 0x0003, 0x0005, 0x0010, 0x0002, 0x0012
+ ], [
+ 0x0001, 0x001F, 0x0027, 0x0001, 0x004B, 0x0123, 0x0915, 0x0000,
+ 0x0049, 0x0005, 0x0006, 0x001D, 0x001C, 0x0013, 0x004A, 0x0090,
+ 0x0914, 0x0917, 0x0916, 0x0911, 0x0910, 0x0913, 0x0912, 0x0003,
+ 0x0005, 0x0001, 0x0012, 0x0008, 0x0008, 0x001E, 0x0026, 0x0001
+ ], [
+ 0x0003, 0x0001, 0x003F, 0x000B, 0x004E, 0x0132, 0x099A, 0x004F,
+ 0x0098, 0x0006, 0x0005, 0x001D, 0x001C, 0x007C, 0x0267, 0x1331,
+ 0x1330, 0x1333, 0x1332, 0x266D, 0x266C, 0x266F, 0x266E, 0x0001,
+ 0x0004, 0x001E, 0x0012, 0x000A, 0x0008, 0x0000, 0x007D, 0x004D
+ ], [
+ 0x0002, 0x0007, 0x0015, 0x0003, 0x0004, 0x00A7, 0x0536, 0x0028,
+ 0x029A, 0x0006, 0x0004, 0x001C, 0x0017, 0x00A4, 0x29BE, 0x537F,
+ 0x537E, 0x29B9, 0x29B8, 0x29BB, 0x29BA, 0x29BD, 0x29BC, 0x000F,
+ 0x0000, 0x0005, 0x0016, 0x001D, 0x0006, 0x0001, 0x00A5, 0x014C
+ ], [
+ 0x0004, 0x0007, 0x001A, 0x000C, 0x0006, 0x0029, 0x01BD, 0x1BE3,
+ 0x1BE0, 0x0000, 0x0007, 0x006E, 0x01BC, 0x37C3, 0x37C2, 0x37CD,
+ 0x37CC, 0x37CF, 0x37CE, 0x37C9, 0x37C8, 0x37CB, 0x37CA, 0x0015,
+ 0x01BF, 0x037D, 0x0036, 0x0002, 0x000B, 0x0028, 0x37C5, 0x37C4
+ ], [
+ 0x0001, 0x0009, 0x0003, 0x0002, 0x011F, 0x08E9, 0x08E8, 0x002D,
+ 0x0022, 0x0006, 0x0007, 0x0010, 0x0011, 0x0017, 0x002C, 0x0046,
+ 0x011E, 0x011C, 0x0477, 0x08EB, 0x08EA, 0x08ED, 0x08EC, 0x0003,
+ 0x000B, 0x0001, 0x0014, 0x000A, 0x0009, 0x0015, 0x0000, 0x0010
+ ], [
+ 0x0001, 0x001D, 0x0022, 0x0013, 0x011E, 0x08FC, 0x23F5, 0x0023,
+ 0x0022, 0x0005, 0x0006, 0x0010, 0x000B, 0x0010, 0x008E, 0x023E,
+ 0x08FF, 0x11FD, 0x23F4, 0x23F7, 0x23F6, 0x23F9, 0x23F8, 0x0003,
+ 0x0009, 0x0000, 0x001C, 0x000A, 0x000F, 0x0001, 0x0012, 0x0046
+ ], [
+ 0x0003, 0x001F, 0x003C, 0x003D, 0x0086, 0x0877, 0x10E8, 0x0041,
+ 0x0040, 0x0005, 0x0006, 0x0007, 0x0006, 0x0004, 0x010F, 0x021C,
+ 0x0875, 0x21D3, 0x21D2, 0x21D9, 0x21D8, 0x21DB, 0x21DA, 0x0002,
+ 0x0009, 0x0000, 0x0011, 0x0003, 0x000E, 0x0002, 0x0005, 0x0042
+ ], [
+ 0x0004, 0x0001, 0x003D, 0x0009, 0x00F3, 0x0793, 0x1E45, 0x0000,
+ 0x0002, 0x0005, 0x0006, 0x0008, 0x0001, 0x0003, 0x01E5, 0x0792,
+ 0x1E44, 0x1E47, 0x1E46, 0x1E41, 0x1E40, 0x1E43, 0x1E42, 0x0001,
+ 0x0006, 0x001F, 0x000F, 0x000E, 0x000E, 0x0005, 0x0078, 0x0001
+ ], [
+ 0x0004, 0x0005, 0x000E, 0x0017, 0x003E, 0x00F0, 0x0F1E, 0x007A,
+ 0x007F, 0x0006, 0x0007, 0x0005, 0x0004, 0x007B, 0x01E2, 0x1E3F,
+ 0x1E3E, 0x0F19, 0x0F18, 0x0F1B, 0x0F1A, 0x0F1D, 0x0F1C, 0x0000,
+ 0x0003, 0x0016, 0x0009, 0x0008, 0x000A, 0x0006, 0x007E, 0x0079
+ ], [
+ 0x0005, 0x000C, 0x001A, 0x0004, 0x001A, 0x00DE, 0x0DF4, 0x00DD,
+ 0x006D, 0x0000, 0x0007, 0x0025, 0x0024, 0x00DC, 0x0DF7, 0x1BEB,
+ 0x1BEA, 0x0DF1, 0x0DF0, 0x0DF3, 0x0DF2, 0x1BED, 0x1BEC, 0x0008,
+ 0x0013, 0x000C, 0x0037, 0x0036, 0x0005, 0x0007, 0x006C, 0x01BF
+ ], [
+ 0x0005, 0x000D, 0x001F, 0x000C, 0x003B, 0x0040, 0x041A, 0x0104,
+ 0x0107, 0x0001, 0x0000, 0x0024, 0x0021, 0x020B, 0x106E, 0x20DF,
+ 0x20DE, 0x1055, 0x1054, 0x1057, 0x1056, 0x106D, 0x106C, 0x0011,
+ 0x003A, 0x0025, 0x0038, 0x0039, 0x0013, 0x001E, 0x020C, 0x0414
+ ], [
+ 0x0000, 0x0007, 0x000D, 0x0005, 0x0009, 0x0022, 0x0CD1, 0x0CD0,
+ 0x0CD3, 0x0003, 0x0002, 0x008D, 0x00CC, 0x066B, 0x0CD2, 0x19B5,
+ 0x19B4, 0x19B7, 0x19B6, 0x19B1, 0x19B0, 0x19B3, 0x19B2, 0x0047,
+ 0x008C, 0x0337, 0x0067, 0x0018, 0x0010, 0x0032, 0x0CD5, 0x0CD4
+ ]
+];
+const VP40_AC_CAT3_BITS: [[u8; 32]; 16] = [
+ [
+ 4, 6, 8, 8, 11, 13, 14, 6, 9, 3, 3, 4, 4, 4, 5, 6,
+ 7, 7, 8, 10, 14, 13, 13, 3, 4, 5, 5, 6, 5, 6, 4, 6
+ ], [
+ 4, 5, 7, 7, 10, 13, 13, 6, 9, 3, 3, 4, 4, 5, 6, 7,
+ 9, 9, 11, 14, 14, 14, 14, 3, 4, 4, 5, 5, 4, 6, 5, 6
+ ], [
+ 4, 5, 6, 6, 9, 11, 12, 6, 8, 3, 3, 4, 4, 5, 6, 8,
+ 9, 9, 11, 13, 13, 12, 12, 3, 4, 5, 5, 5, 4, 5, 5, 6
+ ], [
+ 3, 5, 6, 6, 8, 11, 13, 7, 8, 3, 3, 4, 5, 6, 7, 8,
+ 9, 11, 13, 13, 13, 12, 12, 3, 4, 5, 5, 5, 4, 5, 5, 6
+ ], [
+ 3, 5, 6, 5, 8, 10, 13, 6, 8, 3, 3, 5, 5, 6, 8, 9,
+ 13, 13, 13, 13, 13, 13, 13, 3, 4, 4, 5, 5, 4, 5, 6, 6
+ ], [
+ 3, 4, 6, 5, 7, 9, 12, 7, 8, 3, 3, 5, 5, 7, 10, 13,
+ 13, 13, 13, 14, 14, 14, 14, 3, 4, 5, 5, 5, 4, 4, 7, 7
+ ], [
+ 3, 4, 5, 4, 5, 8, 11, 6, 10, 3, 3, 5, 5, 8, 14, 15,
+ 15, 14, 14, 14, 14, 14, 14, 4, 4, 5, 5, 5, 4, 4, 8, 9
+ ], [
+ 3, 4, 5, 4, 4, 6, 9, 13, 13, 2, 3, 7, 9, 14, 14, 14,
+ 14, 14, 14, 14, 14, 14, 14, 5, 9, 10, 6, 3, 4, 6, 14, 14
+ ], [
+ 3, 5, 6, 6, 10, 13, 13, 7, 7, 3, 3, 5, 5, 6, 7, 8,
+ 10, 10, 12, 13, 13, 13, 13, 3, 4, 4, 5, 5, 4, 5, 5, 6
+ ], [
+ 3, 5, 6, 6, 9, 12, 14, 7, 7, 3, 3, 5, 5, 6, 8, 10,
+ 12, 13, 14, 14, 14, 14, 14, 3, 4, 4, 5, 5, 4, 4, 6, 7
+ ], [
+ 3, 5, 6, 6, 8, 12, 13, 7, 7, 3, 3, 5, 5, 6, 9, 10,
+ 12, 14, 14, 14, 14, 14, 14, 3, 4, 4, 5, 5, 4, 4, 6, 7
+ ], [
+ 3, 4, 6, 5, 8, 11, 13, 7, 7, 3, 3, 5, 5, 7, 9, 11,
+ 13, 13, 13, 13, 13, 13, 13, 3, 4, 5, 5, 5, 4, 4, 7, 7
+ ], [
+ 3, 4, 5, 5, 7, 9, 13, 8, 8, 3, 3, 5, 5, 8, 10, 14,
+ 14, 13, 13, 13, 13, 13, 13, 3, 4, 5, 5, 5, 4, 4, 8, 8
+ ], [
+ 3, 4, 5, 4, 6, 9, 13, 9, 8, 2, 3, 6, 6, 9, 13, 14,
+ 14, 13, 13, 13, 13, 14, 14, 4, 5, 5, 6, 6, 4, 4, 8, 10
+ ], [
+ 3, 4, 5, 4, 6, 7, 11, 9, 9, 2, 2, 6, 6, 10, 13, 14,
+ 14, 13, 13, 13, 13, 13, 13, 5, 6, 6, 6, 6, 5, 5, 10, 11
+ ], [
+ 2, 4, 5, 4, 5, 7, 13, 13, 13, 2, 2, 9, 9, 12, 13, 14,
+ 14, 14, 14, 14, 14, 14, 14, 8, 9, 11, 8, 6, 6, 7, 13, 13
+ ]
+];
+
+const VP40_QMAT: &[i16; 64] = &[
+ 16, 17, 18, 20, 22, 24, 26, 28,
+ 17, 18, 20, 22, 24, 26, 28, 32,
+ 18, 20, 22, 24, 26, 28, 32, 36,
+ 20, 22, 24, 26, 28, 32, 36, 40,
+ 22, 24, 26, 28, 32, 36, 40, 44,
+ 24, 26, 28, 32, 36, 40, 44, 48,
+ 26, 28, 32, 36, 40, 44, 48, 52,
+ 28, 32, 36, 40, 44, 48, 52, 56
+];
+const VP40_DC_Y_SCALES: [i16; 64] = [
+ 180, 180, 180, 180, 180, 180, 175, 170,
+ 165, 160, 157, 155, 152, 150, 147, 145,
+ 142, 140, 137, 135, 132, 130, 127, 125,
+ 122, 120, 117, 115, 112, 110, 107, 105,
+ 102, 100, 97, 95, 92, 90, 87, 85,
+ 82, 80, 77, 75, 72, 70, 67, 65,
+ 62, 60, 57, 55, 52, 50, 47, 45,
+ 42, 40, 37, 35, 32, 30, 27, 25
+];
+const VP40_DC_C_SCALES: [i16; 64] = [
+ 150, 150, 150, 150, 150, 150, 150, 150,
+ 150, 150, 150, 150, 150, 150, 147, 145,
+ 142, 140, 137, 135, 132, 130, 127, 125,
+ 122, 120, 117, 115, 112, 110, 107, 105,
+ 102, 100, 97, 95, 92, 90, 87, 85,
+ 82, 80, 77, 75, 72, 70, 67, 65,
+ 62, 60, 57, 55, 52, 50, 47, 45,
+ 42, 40, 37, 35, 32, 30, 27, 25
+];
+const VP40_AC_SCALES: [i16; 64] = [
+ 500, 475, 450, 430, 410, 390, 370, 350,
+ 330, 315, 300, 285, 270, 260, 250, 240,
+ 230, 220, 210, 200, 190, 185, 180, 170,
+ 160, 150, 143, 135, 128, 120, 113, 106,
+ 100, 94, 90, 85, 80, 75, 70, 66,
+ 62, 57, 52, 49, 45, 41, 38, 35,
+ 33, 30, 27, 24, 22, 20, 18, 16,
+ 14, 12, 10, 9, 7, 6, 4, 1
+];
+
+const VP40_MBPAT_CODES: [[u8; 14]; 2] = [
+ [ 0b000, 0b1111, 0b1001, 0b010, 0b1101, 0b01110, 0b1011, 0b001, 0b01111, 0b1000, 0b0110, 0b1110, 0b1100, 0b1010 ],
+ [ 0b0111, 0b1010, 0b1001, 0b1100, 0b1000, 0b01101, 0b000, 0b1110, 0b01100, 0b1101, 0b001, 0b1011, 0b1111, 0b010 ]
+];
+const VP40_MBPAT_BITS: [[u8; 14]; 2] = [
+ [ 3, 4, 4, 3, 4, 5, 4, 3, 5, 4, 4, 4, 4, 4 ],
+ [ 4, 4, 4, 4, 4, 5, 3, 4, 5, 4, 3, 4, 4, 3 ]
+];
+const VP40_BP_PREDICTOR: [u8; 15] = [ 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 1 ];
+const VP40_MV_X_CODES: [[u32; 63]; 7] = [
+ [
+ 0x06A, 0x11A, 0x18E, 0x237, 0x04A, 0x236, 0x07A, 0x0D6,
+ 0x07E, 0x1FD, 0x08C, 0x0D7, 0x087, 0x183, 0x03C, 0x061,
+ 0x047, 0x069, 0x040, 0x048, 0x049, 0x086, 0x013, 0x0D2,
+ 0x01C, 0x042, 0x025, 0x01B, 0x013, 0x005, 0x000, 0x007,
+ 0x005, 0x01B, 0x019, 0x019, 0x008, 0x045, 0x01D, 0x0C6,
+ 0x068, 0x090, 0x041, 0x04B, 0x031, 0x18F, 0x062, 0x03E,
+ 0x044, 0x068, 0x030, 0x182, 0x0C0, 0x1A7, 0x091, 0x092,
+ 0x07B, 0x0FF, 0x1A6, 0x1FC, 0x06A, 0x093, 0x06B
+ ], [
+ 0x039, 0x259, 0x01B, 0x1D1, 0x137, 0x1D0, 0x01A, 0x1B5,
+ 0x01D, 0x4BC, 0x06C, 0x038, 0x071, 0x02D, 0x07D, 0x075,
+ 0x019, 0x0E9, 0x037, 0x015, 0x01E, 0x0DB, 0x04C, 0x070,
+ 0x00D, 0x00C, 0x027, 0x004, 0x002, 0x000, 0x005, 0x007,
+ 0x006, 0x002, 0x008, 0x024, 0x00C, 0x03B, 0x01E, 0x09A,
+ 0x00E, 0x069, 0x04A, 0x12D, 0x035, 0x0F9, 0x018, 0x07F,
+ 0x00F, 0x0F8, 0x07E, 0x25F, 0x068, 0x02C, 0x014, 0x258,
+ 0x136, 0x4BD, 0x12E, 0x1B4, 0x017, 0x039, 0x01F
+ ], [
+ 0x029, 0x3CB, 0x1F5, 0x263, 0x1F4, 0x3DA, 0x050, 0x260,
+ 0x1EC, 0x3D3, 0x109, 0x3D2, 0x051, 0x792, 0x0F3, 0x09A,
+ 0x0F7, 0x132, 0x0C1, 0x1E8, 0x02A, 0x085, 0x061, 0x1F7,
+ 0x078, 0x0C7, 0x023, 0x07C, 0x012, 0x00B, 0x00E, 0x00D,
+ 0x000, 0x005, 0x003, 0x004, 0x019, 0x020, 0x03F, 0x043,
+ 0x062, 0x09F, 0x04E, 0x181, 0x02B, 0x137, 0x0F5, 0x089,
+ 0x0C6, 0x262, 0x088, 0x3C8, 0x1F6, 0x3CA, 0x09E, 0x261,
+ 0x136, 0x108, 0x133, 0x793, 0x180, 0x3DB, 0x045
+ ], [
+ 0x001, 0x1C7, 0x067, 0x0B5, 0x066, 0x139, 0x099, 0x0B4,
+ 0x0C3, 0x130, 0x000, 0x131, 0x09E, 0x0B7, 0x02C, 0x001,
+ 0x028, 0x138, 0x04B, 0x031, 0x060, 0x091, 0x003, 0x09D,
+ 0x017, 0x04D, 0x031, 0x070, 0x007, 0x03A, 0x007, 0x002,
+ 0x00B, 0x001, 0x00F, 0x008, 0x00D, 0x004, 0x00A, 0x00D,
+ 0x019, 0x002, 0x03B, 0x04A, 0x015, 0x0C2, 0x018, 0x032,
+ 0x072, 0x1C6, 0x029, 0x1C5, 0x049, 0x121, 0x01B, 0x030,
+ 0x01A, 0x1C4, 0x09F, 0x0B6, 0x019, 0x120, 0x073
+ ], [
+ 0x023, 0x1C8, 0x043, 0x110, 0x00C, 0x153, 0x022, 0x111,
+ 0x00F, 0x042, 0x023, 0x1C9, 0x02A, 0x01B, 0x073, 0x045,
+ 0x06E, 0x089, 0x06C, 0x01A, 0x06F, 0x0B6, 0x00B, 0x0E5,
+ 0x025, 0x020, 0x029, 0x04D, 0x002, 0x014, 0x01A, 0x017,
+ 0x01E, 0x027, 0x018, 0x028, 0x01F, 0x000, 0x006, 0x010,
+ 0x007, 0x00B, 0x003, 0x004, 0x01D, 0x02C, 0x019, 0x02B,
+ 0x009, 0x055, 0x038, 0x00E, 0x024, 0x0A8, 0x00A, 0x099,
+ 0x05A, 0x098, 0x06D, 0x152, 0x02B, 0x0B7, 0x001
+ ], [
+ 0x03D, 0x0B1, 0x0DD, 0x1F6, 0x0C5, 0x188, 0x037, 0x03F,
+ 0x01E, 0x189, 0x00F, 0x03E, 0x06A, 0x1F7, 0x061, 0x079,
+ 0x018, 0x0B0, 0x00E, 0x0B3, 0x00C, 0x0DF, 0x006, 0x0DC,
+ 0x019, 0x0DE, 0x027, 0x00E, 0x01A, 0x063, 0x00F, 0x00E,
+ 0x014, 0x07C, 0x036, 0x06B, 0x03F, 0x060, 0x008, 0x074,
+ 0x009, 0x078, 0x012, 0x00D, 0x015, 0x02D, 0x002, 0x01C,
+ 0x005, 0x03B, 0x000, 0x034, 0x019, 0x026, 0x010, 0x075,
+ 0x002, 0x036, 0x023, 0x0B2, 0x022, 0x0FA, 0x017
+ ], [
+ 0x015, 0x0DD, 0x03E, 0x16E, 0x04C, 0x012, 0x05D, 0x0B6,
+ 0x06F, 0x1F1, 0x069, 0x1F0, 0x01D, 0x16F, 0x002, 0x06B,
+ 0x00C, 0x0DC, 0x068, 0x09B, 0x07D, 0x09A, 0x00D, 0x013,
+ 0x008, 0x0F9, 0x02C, 0x012, 0x033, 0x04F, 0x00D, 0x005,
+ 0x012, 0x03F, 0x032, 0x013, 0x03B, 0x005, 0x02F, 0x05A,
+ 0x03F, 0x01C, 0x03A, 0x008, 0x036, 0x05C, 0x010, 0x000,
+ 0x00C, 0x04E, 0x003, 0x06A, 0x00E, 0x003, 0x014, 0x01E,
+ 0x01C, 0x00F, 0x018, 0x023, 0x01E, 0x022, 0x002
+ ]
+];
+const VP40_MV_X_BITS: [[u8; 63]; 7] = [
+ [
+ 7, 9, 9, 10, 8, 10, 8, 9, 8, 10, 8, 9, 8, 9, 7, 7,
+ 7, 8, 7, 8, 7, 8, 6, 8, 6, 7, 6, 6, 5, 4, 2, 3,
+ 3, 5, 5, 6, 5, 7, 6, 8, 7, 8, 7, 8, 7, 9, 7, 7,
+ 7, 8, 7, 9, 8, 9, 8, 9, 8, 9, 9, 10, 8, 9, 7
+ ], [
+ 7, 10, 8, 10, 9, 10, 8, 10, 8, 11, 8, 9, 8, 9, 8, 8,
+ 7, 9, 7, 8, 7, 9, 7, 8, 6, 7, 6, 6, 4, 4, 3, 3,
+ 3, 3, 4, 6, 5, 7, 6, 8, 6, 8, 7, 9, 7, 9, 7, 8,
+ 7, 9, 8, 10, 8, 9, 8, 10, 9, 11, 9, 10, 8, 9, 7
+ ], [
+ 7, 10, 9, 10, 9, 10, 8, 10, 9, 10, 9, 10, 8, 11, 8, 8,
+ 8, 9, 8, 9, 7, 8, 7, 9, 7, 8, 6, 7, 5, 5, 4, 4,
+ 2, 3, 3, 4, 5, 6, 6, 7, 7, 8, 7, 9, 7, 9, 8, 8,
+ 8, 10, 8, 10, 9, 10, 8, 10, 9, 9, 9, 11, 9, 10, 7
+ ], [
+ 6, 9, 8, 9, 8, 9, 8, 9, 8, 9, 7, 9, 8, 9, 7, 7,
+ 7, 9, 7, 8, 7, 8, 6, 8, 6, 7, 6, 7, 5, 6, 4, 4,
+ 4, 4, 4, 4, 4, 4, 4, 5, 5, 6, 6, 7, 6, 8, 6, 7,
+ 7, 9, 7, 9, 7, 9, 7, 8, 7, 9, 8, 9, 7, 9, 7
+ ], [
+ 6, 9, 8, 9, 7, 9, 7, 9, 7, 8, 7, 9, 7, 8, 7, 7,
+ 7, 8, 7, 8, 7, 8, 6, 8, 6, 7, 6, 7, 5, 6, 5, 5,
+ 5, 6, 5, 6, 5, 5, 4, 5, 4, 5, 4, 5, 5, 6, 5, 6,
+ 5, 7, 6, 7, 6, 8, 6, 8, 7, 8, 7, 9, 7, 8, 5
+ ], [
+ 6, 8, 8, 9, 8, 9, 7, 8, 7, 9, 7, 8, 7, 9, 7, 7,
+ 6, 8, 6, 8, 6, 8, 6, 8, 6, 8, 6, 7, 6, 7, 5, 5,
+ 5, 7, 6, 7, 6, 7, 5, 7, 5, 7, 5, 6, 5, 6, 4, 5,
+ 4, 6, 4, 6, 5, 6, 5, 7, 5, 7, 6, 8, 6, 8, 5
+ ], [
+ 5, 8, 7, 9, 7, 8, 7, 8, 7, 9, 7, 9, 7, 9, 6, 7,
+ 6, 8, 7, 8, 7, 8, 6, 8, 6, 8, 6, 7, 6, 7, 5, 5,
+ 5, 7, 6, 7, 6, 6, 6, 7, 6, 7, 6, 7, 6, 7, 5, 5,
+ 5, 7, 5, 7, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 3
+ ]
+];
+const VP40_MV_Y_CODES: [[u32; 63]; 7] = [
+ [
+ 0x052, 0x14C, 0x1FA, 0x124, 0x082, 0x29E, 0x08E, 0x24B,
+ 0x09C, 0x3F7, 0x086, 0x114, 0x083, 0x3A5, 0x0FA, 0x04F,
+ 0x0FB, 0x13B, 0x0FC, 0x172, 0x044, 0x173, 0x051, 0x087,
+ 0x05F, 0x0BA, 0x026, 0x05E, 0x016, 0x015, 0x006, 0x001,
+ 0x000, 0x01C, 0x01E, 0x075, 0x03B, 0x0FF, 0x025, 0x0BB,
+ 0x07C, 0x08B, 0x048, 0x171, 0x042, 0x14E, 0x046, 0x0FE,
+ 0x040, 0x13A, 0x093, 0x115, 0x08F, 0x3F6, 0x170, 0x29F,
+ 0x1D1, 0x24A, 0x1D3, 0x3A4, 0x1D0, 0x14D, 0x050
+ ], [
+ 0x0DE, 0x223, 0x136, 0x7C5, 0x12F, 0x4A1, 0x3D7, 0x7AC,
+ 0x133, 0x7C4, 0x1B8, 0x222, 0x096, 0x251, 0x095, 0x1F0,
+ 0x0DA, 0x110, 0x09A, 0x360, 0x0DD, 0x12E, 0x048, 0x092,
+ 0x078, 0x098, 0x027, 0x045, 0x01A, 0x010, 0x005, 0x000,
+ 0x001, 0x00E, 0x00C, 0x023, 0x03F, 0x0F4, 0x07D, 0x089,
+ 0x07B, 0x1BE, 0x0F9, 0x3E3, 0x0F3, 0x127, 0x0DB, 0x1EA,
+ 0x0D9, 0x6E7, 0x1BF, 0x4A0, 0x1B1, 0x6E6, 0x137, 0x7AD,
+ 0x126, 0x6C2, 0x132, 0x6C3, 0x129, 0x372, 0x0F2
+ ], [
+ 0x016, 0x09C, 0x13C, 0x09E, 0x12B, 0x0BA, 0x181, 0x317,
+ 0x084, 0x04E, 0x026, 0x316, 0x180, 0x05C, 0x0C1, 0x02F,
+ 0x010, 0x045, 0x012, 0x189, 0x024, 0x13D, 0x066, 0x023,
+ 0x067, 0x0C6, 0x024, 0x04B, 0x011, 0x032, 0x00D, 0x000,
+ 0x007, 0x005, 0x003, 0x003, 0x005, 0x020, 0x008, 0x025,
+ 0x026, 0x04F, 0x061, 0x02B, 0x04E, 0x18A, 0x043, 0x09F,
+ 0x014, 0x254, 0x094, 0x310, 0x085, 0x311, 0x02A, 0x0BB,
+ 0x18F, 0x255, 0x09D, 0x09F, 0x18E, 0x044, 0x026
+ ], [
+ 0x061, 0x12A, 0x00D, 0x3BD, 0x089, 0x109, 0x18E, 0x210,
+ 0x1D3, 0x211, 0x088, 0x019, 0x085, 0x018, 0x0E8, 0x0CE,
+ 0x040, 0x119, 0x045, 0x1D2, 0x04B, 0x1DD, 0x062, 0x094,
+ 0x075, 0x00C, 0x027, 0x00D, 0x002, 0x026, 0x006, 0x01E,
+ 0x00D, 0x01F, 0x001, 0x00A, 0x002, 0x007, 0x00B, 0x000,
+ 0x01C, 0x076, 0x032, 0x007, 0x024, 0x0C0, 0x007, 0x041,
+ 0x002, 0x18F, 0x047, 0x1DC, 0x043, 0x12B, 0x0CF, 0x118,
+ 0x0C6, 0x3BC, 0x08D, 0x3BF, 0x0C1, 0x3BE, 0x066
+ ], [
+ 0x007, 0x14D, 0x0A0, 0x09E, 0x0CF, 0x39C, 0x0A1, 0x39D,
+ 0x0AB, 0x1C5, 0x026, 0x14C, 0x025, 0x19C, 0x03F, 0x0E1,
+ 0x066, 0x1CF, 0x03E, 0x1C4, 0x072, 0x04E, 0x006, 0x0AA,
+ 0x01C, 0x0E6, 0x032, 0x051, 0x03B, 0x005, 0x01F, 0x018,
+ 0x002, 0x03A, 0x000, 0x036, 0x005, 0x008, 0x008, 0x016,
+ 0x009, 0x00D, 0x003, 0x02F, 0x01E, 0x02E, 0x01A, 0x02B,
+ 0x00C, 0x024, 0x01E, 0x0E0, 0x004, 0x0A7, 0x054, 0x1C7,
+ 0x052, 0x19D, 0x03A, 0x09F, 0x03B, 0x1C6, 0x037
+ ], [
+ 0x02A, 0x039, 0x025, 0x115, 0x024, 0x1FA, 0x02F, 0x114,
+ 0x075, 0x038, 0x0FC, 0x036, 0x01E, 0x1FB, 0x07F, 0x068,
+ 0x016, 0x037, 0x01F, 0x05C, 0x013, 0x08B, 0x001, 0x0FB,
+ 0x021, 0x044, 0x02B, 0x06B, 0x03B, 0x00C, 0x01C, 0x019,
+ 0x001, 0x020, 0x016, 0x07C, 0x00C, 0x074, 0x00A, 0x01C,
+ 0x012, 0x069, 0x00F, 0x06A, 0x014, 0x011, 0x01E, 0x017,
+ 0x002, 0x031, 0x01B, 0x030, 0x00D, 0x000, 0x001, 0x01D,
+ 0x023, 0x01A, 0x01D, 0x05D, 0x010, 0x0FA, 0x013
+ ], [
+ 0x012, 0x026, 0x041, 0x022, 0x01A, 0x0A9, 0x04C, 0x1B2,
+ 0x05C, 0x0A8, 0x058, 0x1B3, 0x040, 0x079, 0x00C, 0x055,
+ 0x01F, 0x0D8, 0x076, 0x023, 0x05F, 0x078, 0x00B, 0x01B,
+ 0x02D, 0x010, 0x037, 0x06D, 0x032, 0x00A, 0x01A, 0x01E,
+ 0x01F, 0x02B, 0x00D, 0x077, 0x031, 0x05D, 0x038, 0x027,
+ 0x00C, 0x0E9, 0x033, 0x05E, 0x030, 0x04D, 0x00A, 0x021,
+ 0x007, 0x03D, 0x039, 0x0E8, 0x00B, 0x059, 0x014, 0x027,
+ 0x011, 0x075, 0x00E, 0x009, 0x008, 0x012, 0x000
+ ]
+];
+const VP40_MV_Y_BITS: [[u8; 63]; 7] = [
+ [
+ 7, 9, 9, 9, 8, 10, 8, 10, 8, 10, 8, 9, 8, 10, 8, 7,
+ 8, 9, 8, 9, 7, 9, 7, 8, 7, 8, 6, 7, 5, 5, 3, 2,
+ 2, 5, 5, 7, 6, 8, 6, 8, 7, 8, 7, 9, 7, 9, 7, 8,
+ 7, 9, 8, 9, 8, 10, 9, 10, 9, 10, 9, 10, 9, 9, 7
+ ], [
+ 8, 10, 9, 11, 9, 11, 10, 11, 9, 11, 9, 10, 8, 10, 8, 9,
+ 8, 9, 8, 10, 8, 9, 7, 8, 7, 8, 6, 7, 5, 5, 3, 2,
+ 2, 4, 4, 6, 6, 8, 7, 8, 7, 9, 8, 10, 8, 9, 8, 9,
+ 8, 11, 9, 11, 9, 11, 9, 11, 9, 11, 9, 11, 9, 10, 8
+ ], [
+ 7, 9, 9, 10, 9, 10, 9, 10, 8, 9, 8, 10, 9, 9, 8, 8,
+ 7, 9, 7, 9, 7, 9, 7, 8, 7, 8, 6, 7, 5, 6, 4, 3,
+ 3, 3, 3, 4, 4, 6, 5, 7, 6, 8, 7, 8, 7, 9, 7, 8,
+ 7, 10, 8, 10, 8, 10, 8, 10, 9, 10, 9, 10, 9, 9, 7
+ ], [
+ 7, 9, 8, 10, 8, 9, 9, 10, 9, 10, 8, 9, 8, 9, 8, 8,
+ 7, 9, 7, 9, 7, 9, 7, 8, 7, 7, 6, 7, 5, 6, 4, 5,
+ 4, 5, 3, 4, 3, 4, 4, 5, 5, 7, 6, 7, 6, 8, 6, 7,
+ 6, 9, 7, 9, 7, 9, 8, 9, 8, 10, 8, 10, 8, 10, 7
+ ], [
+ 6, 9, 8, 9, 8, 10, 8, 10, 8, 9, 7, 9, 7, 9, 7, 8,
+ 7, 9, 7, 9, 7, 8, 6, 8, 6, 8, 6, 7, 6, 6, 5, 5,
+ 4, 6, 4, 6, 4, 5, 4, 5, 4, 5, 4, 6, 5, 6, 5, 6,
+ 5, 7, 6, 8, 6, 8, 7, 9, 7, 9, 7, 9, 7, 9, 6
+ ], [
+ 6, 8, 7, 9, 7, 9, 7, 9, 7, 8, 8, 8, 7, 9, 7, 7,
+ 6, 8, 7, 8, 6, 8, 6, 8, 6, 7, 6, 7, 6, 6, 5, 5,
+ 4, 6, 5, 7, 5, 7, 5, 6, 5, 7, 5, 7, 5, 6, 5, 5,
+ 4, 6, 5, 6, 5, 6, 5, 7, 6, 7, 6, 8, 6, 8, 5
+ ], [
+ 5, 7, 7, 8, 7, 8, 7, 9, 7, 8, 7, 9, 7, 8, 6, 7,
+ 6, 8, 7, 8, 7, 8, 6, 7, 6, 7, 6, 7, 6, 6, 5, 5,
+ 5, 6, 5, 7, 6, 7, 6, 7, 5, 8, 6, 7, 6, 7, 5, 6,
+ 5, 7, 6, 8, 5, 7, 5, 6, 5, 7, 5, 6, 5, 6, 3
+ ]
+];
+
+const VP40_LOOP_STRENGTH: [i16; 64] = [
+ 30, 25, 20, 20, 15, 15, 14, 14,
+ 13, 13, 12, 12, 11, 11, 10, 10,
+ 9, 9, 8, 8, 7, 7, 7, 7,
+ 6, 6, 6, 6, 5, 5, 5, 5,
+ 4, 4, 4, 4, 3, 3, 3, 3,
+ 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2,
+ 1, 1, 1, 1, 1, 1, 1, 1
+];
+const VP40_MV_LUT_INDEX: [usize; 32] = [
+ 0, 1, 2, 2, 3, 3, 3, 3,
+ 4, 4, 4, 4, 4, 4, 4, 4,
+ 5, 5, 5, 5, 5, 5, 5, 5,
+ 6, 6, 6, 6, 6, 6, 6, 6
+];
projects / nihav.git / blobdiff