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],
enum Codes {
None,
-// VP30(VP30Codes),
+ VP30(VP30Codes),
VP31(VP31Codes),
}
}
}
+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(bits as u32)?;
+ 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)),
+ }
+ }
+}
+
struct VP34Decoder {
info: NACodecInfoRef,
width: usize,
loop_str: i16,
blocks: Vec<Block>,
+ mb_coded: Vec<bool>,
y_blocks: usize,
y_sbs: usize,
qmat_y: [i16; 64],
blk_addr: Vec<usize>,
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(())
}
+
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 {
loop_str: 0,
blocks: Vec::new(),
+ mb_coded: Vec::new(),
y_blocks: 0,
y_sbs: 0,
blk_addr: 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<()> {
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)?;
+ validate!(self.version == 3 || self.version == 30);
+ let mb_w = br.read(8)? as usize;
+ let mb_h = br.read(8)? as usize;
+println!(" VP30 {}x{} ({}x{})", mb_w, mb_h, self.mb_w, self.mb_h);
+ validate!(mb_w == self.mb_w && mb_h == self.mb_h);
+ if self.version == 3 {
+ self.version = 30;
+ self.codes = Codes::VP30(VP30Codes::new());
+ }
+ } else {
+ let version = br.read(13)?;
println!("intra, ver {} (self {})", version, self.version);
- let coding_type = br.read(1)?;
- validate!(coding_type == 0);
+ 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());
+ 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 == 2 {
+ validate!(self.version == 4);
+ unimplemented!();
+ } else {
+ return Err(DecoderError::InvalidData);
+ }
+ }
+ }
+//println!("decode frame({},{},{})", self.is_intra as u8, self.is_intra as u8, 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 if version == 2 {
- validate!(self.version == 4);
- unimplemented!();
} else {
- return Err(DecoderError::InvalidData);
+ 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, coef_no, 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;
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];
+ 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_inter, 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;
+ }
+
+ 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];
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.y_blocks = bw * bh;
let mut base_idx = 0;
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];
base_idx += blk_w * blk_h;
}
self.blocks.resize(tot_blk, Block::new());
+ self.mb_coded.resize(tot_mb, false);
}
}
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()?,
_ => return Err(DecoderError::Bug),
use nihav_commonfmt::demuxers::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);
+
+ let file = "assets/Duck/vp30-logo.avi";
+ test_file_decoding("avi", file, Some(23), true, false, Some("vp30"), &dmx_reg, &dec_reg);
+ }
+
+ #[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_codecs(&mut dec_reg);
-// let file = "assets/Duck/vp30-logo.avi";
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, Some("vp31"), &dmx_reg, &dec_reg);
//panic!("end");
}
[ 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
+];