+use nihav_core::io::byteio::*;
+use nihav_core::io::bitreader::*;
+use nihav_core::io::codebook::*;
+use nihav_core::io::intcode::*;
+
+macro_rules! idct_mul {
+ (a; $val: expr) => ($val + ($val >> 2));
+ (b; $val: expr) => ($val >> 1);
+ (c; $val: expr) => ($val - ($val >> 2) - ($val >> 4));
+ (d; $val: expr) => ($val + ($val >> 2) - ($val >> 4));
+ (e; $val: expr) => ($val >> 2);
+}
+
+macro_rules! idct {
+ ($src: expr, $sstep: expr, $off: expr, $dst: expr, $dstep: expr, $doff: expr, $bias: expr, $shift: expr) => {
+ let tmp00 = $src[$off + 3 * $sstep] + $src[$off + 5 * $sstep];
+ let tmp01 = $src[$off + 3 * $sstep] - $src[$off + 5 * $sstep];
+ let tmp02 = idct_mul!(a; $src[$off + 2 * $sstep]) + idct_mul!(b; $src[$off + 6 * $sstep]);
+ let tmp03 = idct_mul!(b; $src[$off + 2 * $sstep]) - idct_mul!(a; $src[$off + 6 * $sstep]);
+ let tmp0 = ($src[$off + 0 * $sstep] + $src[$off + 4 * $sstep]) + tmp02;
+ let tmp1 = ($src[$off + 0 * $sstep] + $src[$off + 4 * $sstep]) - tmp02;
+ let tmp2 = $src[$off + 0 * $sstep] - $src[$off + 4 * $sstep];
+ let tmp3 = $src[$off + 1 * $sstep] + tmp00;
+ let tmp4 = $src[$off + 1 * $sstep] - tmp00;
+ let tmp5 = tmp01 + $src[$off + 7 * $sstep];
+ let tmp6 = tmp01 - $src[$off + 7 * $sstep];
+ let tmp7 = tmp4 + idct_mul!(c; tmp6);
+ let tmp8 = idct_mul!(c; tmp4) - tmp6;
+ let tmp9 = idct_mul!(d; tmp3) + idct_mul!(e; tmp5);
+ let tmp10 = idct_mul!(e; tmp3) - idct_mul!(d; tmp5);
+ let tmp11 = tmp2 + tmp03;
+ let tmp12 = tmp2 - tmp03;
+
+ $dst[$doff + 0 * $dstep] = (tmp0 + tmp9 + $bias) >> $shift;
+ $dst[$doff + 1 * $dstep] = (tmp11 + tmp7 + $bias) >> $shift;
+ $dst[$doff + 2 * $dstep] = (tmp12 + tmp8 + $bias) >> $shift;
+ $dst[$doff + 3 * $dstep] = (tmp1 + tmp10 + $bias) >> $shift;
+ $dst[$doff + 4 * $dstep] = (tmp1 - tmp10 + $bias) >> $shift;
+ $dst[$doff + 5 * $dstep] = (tmp12 - tmp8 + $bias) >> $shift;
+ $dst[$doff + 6 * $dstep] = (tmp11 - tmp7 + $bias) >> $shift;
+ $dst[$doff + 7 * $dstep] = (tmp0 - tmp9 + $bias) >> $shift;
+ };
+ (float; $src: expr, $sstep: expr, $off: expr, $dst: expr, $dstep: expr, $doff: expr, $bias: expr, $shift: expr) => {
+ let t00 = $src[$off + $sstep * 2] + $src[$off + $sstep * 6];
+ let t01 = ($src[$off + $sstep * 2] - $src[$off + $sstep * 6]) * 1.4142135 - t00;
+ let t02 = $src[$off + $sstep * 0] + $src[$off + $sstep * 4];
+ let t03 = $src[$off + $sstep * 0] - $src[$off + $sstep * 4];
+ let t04 = $src[$off + $sstep * 3] + $src[$off + $sstep * 5];
+ let t05 = $src[$off + $sstep * 3] - $src[$off + $sstep * 5];
+ let t06 = $src[$off + $sstep * 1] + $src[$off + $sstep * 7];
+ let t07 = $src[$off + $sstep * 1] - $src[$off + $sstep * 7];
+ let t08 = t02 + t00;
+ let t09 = t02 - t00;
+ let t10 = t03 + t01;
+ let t11 = t03 - t01;
+ let t12 = t06 + t04;
+ let t13 = (t06 - t04) * 1.4142135;
+ let t14 = (t07 - t05) * 1.847759;
+ let t15 = t05 * 2.613126 + t14 - t12;
+ let t16 = t13 - t15;
+ let t17 = t07 * 1.0823922 - t14 + t16;
+
+ $dst[$doff + 0 * $dstep] = t08 + t12;
+ $dst[$doff + 1 * $dstep] = t10 + t15;
+ $dst[$doff + 2 * $dstep] = t11 + t16;
+ $dst[$doff + 3 * $dstep] = t09 - t17;
+ $dst[$doff + 4 * $dstep] = t09 + t17;
+ $dst[$doff + 5 * $dstep] = t11 - t16;
+ $dst[$doff + 6 * $dstep] = t10 - t15;
+ $dst[$doff + 7 * $dstep] = t08 - t12;
+ };
+}
+
+fn bink2_idct(coeffs: &mut [i32; 64]) {
+ let mut tmp: [i32; 64] = [0; 64];
+ for i in 0..8 {
+ idct!(coeffs, 1, 8 * i, tmp, 8, i, 0, 0);
+ }
+ for i in 0..8 {
+ idct!(tmp, 1, 8 * i, coeffs, 1, 8 * i, 0, 6);
+ }
+}
+
+fn bink2_idct_old(coeffs: &mut [f32; 64]) {
+ let mut tmp: [f32; 64] = [0.0; 64];
+ for i in 0..8 {
+ idct!(float; coeffs, 8, i, tmp, 8, i, 0, 0);
+ }
+ for i in 0..8 {
+ idct!(float; tmp, 1, 8 * i, coeffs, 1, 8 * i, 0, 6);
+ }
+}
+
+struct Bink2DSP { }
+
+fn clip8(val: i32) -> u8 {
+ val.min(255).max(0) as u8
+}
+
+macro_rules! el {
+ ($src: expr, $off: expr) => (
+ $src[$off] as i32
+ );
+}
+
+macro_rules! luma_filter {
+ ($src: expr, $off: expr, $step: expr) => ({
+ let t0 = el!($src, $off - 0 * $step) + el!($src, $off + 1 * $step);
+ let t1 = el!($src, $off - 1 * $step) + el!($src, $off + 2 * $step);
+ let t2 = el!($src, $off - 2 * $step) + el!($src, $off + 3 * $step);
+ clip8((((t0 * 19) >> 1) - t1 * 2 + (t2 >> 1) + 8) >> 4)
+ });
+}
+
+macro_rules! chroma_interp {
+ ($dst: expr, $dstride: expr, $h: expr, $ty: tt, $src: expr, $sstride: expr, $step: expr, $mode: expr, $shift: expr) => {
+ let mut soff = 0;
+ for out in $dst.chunks_mut($dstride).take($h) {
+ for i in 0..8 {
+ let e0 = el!($src, soff + i);
+ let e1 = el!($src, soff + i + $step);
+ out[i] = match $mode {
+ 0 => e0,
+ 1 => (e0 * 3 + e1 + $shift) >> $shift,
+ 2 => (e0 * 2 + e1 * 2 + $shift) >> $shift,
+ _ => (e0 + e1 * 3 + $shift) >> $shift,
+ } as $ty;
+ }
+ soff += $sstride;
+ }
+ };
+}
+
+impl Bink2DSP {
+ fn calc_dc(src: &[u8], stride: usize) -> i32 {
+ let mut sum = 0;
+ for row in src.chunks(stride).take(8) {
+ for i in 0..8 { sum += row[i] as i32; }
+ }
+ sum >> 3
+ }
+ fn put_mb4(dst: &mut [u8], mut off: usize, stride: usize, blk: &mut [[i32; 64]; 4]) {
+ bink2_idct(&mut blk[0]);
+ bink2_idct(&mut blk[1]);
+ bink2_idct(&mut blk[2]);
+ bink2_idct(&mut blk[3]);
+ {
+ let dout = &mut dst[off..];
+ for (row, (b0, b1)) in dout.chunks_mut(stride).zip(blk[0].chunks(8).zip(blk[1].chunks(8))) {
+ for i in 0..8 { row[i + 0] = clip8(b0[i]); }
+ for i in 0..8 { row[i + 8] = clip8(b1[i]); }
+ }
+ }
+ off += stride * 8;
+ {
+ let dout = &mut dst[off..];
+ for (row, (b2, b3)) in dout.chunks_mut(stride).zip(blk[2].chunks(8).zip(blk[3].chunks(8))) {
+ for i in 0..8 { row[i + 0] = clip8(b2[i]); }
+ for i in 0..8 { row[i + 8] = clip8(b3[i]); }
+ }
+ }
+ }
+ fn add_mb4(dst: &mut [u8], mut off: usize, stride: usize, blk: &mut [[i32; 64]; 4]) {
+ bink2_idct(&mut blk[0]);
+ bink2_idct(&mut blk[1]);
+ bink2_idct(&mut blk[2]);
+ bink2_idct(&mut blk[3]);
+ {
+ let dout = &mut dst[off..];
+ for (row, (b0, b1)) in dout.chunks_mut(stride).zip(blk[0].chunks(8).zip(blk[1].chunks(8))) {
+ for i in 0..8 { row[i + 0] = clip8((row[i + 0] as i32) + b0[i]); }
+ for i in 0..8 { row[i + 8] = clip8((row[i + 8] as i32) + b1[i]); }
+ }
+ }
+ off += stride * 8;
+ {
+ let dout = &mut dst[off..];
+ for (row, (b2, b3)) in dout.chunks_mut(stride).zip(blk[2].chunks(8).zip(blk[3].chunks(8))) {
+ for i in 0..8 { row[i + 0] = clip8((row[i + 0] as i32) + b2[i]); }
+ for i in 0..8 { row[i + 8] = clip8((row[i + 8] as i32) + b3[i]); }
+ }
+ }
+ }
+ fn put_mb4_old(dst: &mut [u8], mut off: usize, stride: usize, blk: &mut [[f32; 64]; 4]) {
+ bink2_idct_old(&mut blk[0]);
+ bink2_idct_old(&mut blk[1]);
+ bink2_idct_old(&mut blk[2]);
+ bink2_idct_old(&mut blk[3]);
+ {
+ let dout = &mut dst[off..];
+ for (row, (b0, b1)) in dout.chunks_mut(stride).zip(blk[0].chunks(8).zip(blk[1].chunks(8))) {
+ for i in 0..8 { row[i + 0] = clip8(b0[i] as i32); }
+ for i in 0..8 { row[i + 8] = clip8(b1[i] as i32); }
+ }
+ }
+ off += stride * 8;
+ {
+ let dout = &mut dst[off..];
+ for (row, (b2, b3)) in dout.chunks_mut(stride).zip(blk[2].chunks(8).zip(blk[3].chunks(8))) {
+ for i in 0..8 { row[i + 0] = clip8(b2[i] as i32); }
+ for i in 0..8 { row[i + 8] = clip8(b3[i] as i32); }
+ }
+ }
+ }
+ fn add_mb4_old(dst: &mut [u8], mut off: usize, stride: usize, blk: &mut [[f32; 64]; 4]) {
+ bink2_idct_old(&mut blk[0]);
+ bink2_idct_old(&mut blk[1]);
+ bink2_idct_old(&mut blk[2]);
+ bink2_idct_old(&mut blk[3]);
+ {
+ let dout = &mut dst[off..];
+ for (row, (b0, b1)) in dout.chunks_mut(stride).zip(blk[0].chunks(8).zip(blk[1].chunks(8))) {
+ for i in 0..8 { row[i + 0] = clip8((row[i + 0] as i32) + (b0[i] as i32)); }
+ for i in 0..8 { row[i + 8] = clip8((row[i + 8] as i32) + (b1[i] as i32)); }
+ }
+ }
+ off += stride * 8;
+ {
+ let dout = &mut dst[off..];
+ for (row, (b2, b3)) in dout.chunks_mut(stride).zip(blk[2].chunks(8).zip(blk[3].chunks(8))) {
+ for i in 0..8 { row[i + 0] = clip8((row[i + 0] as i32) + (b2[i] as i32)); }
+ for i in 0..8 { row[i + 8] = clip8((row[i + 8] as i32) + (b3[i] as i32)); }
+ }
+ }
+ }
+ fn mc_luma(dst: &mut [u8], stride: usize, ref_pic: &NAVideoBuffer<u8>, xoff: usize, yoff: usize, mv: MV, plane: usize) -> DecoderResult<()> {
+ let sx = (xoff as isize) + ((mv.x >> 1) as isize);
+ let sy = (yoff as isize) + ((mv.y >> 1) as isize);
+ let mode = (mv.x & 1) + (mv.y & 1) * 2;
+ let (d_x, add_x) = if (mv.x & 1) != 0 { (2, 5) } else { (0, 0) };
+ let (d_y, add_y) = if (mv.y & 1) != 0 { (2, 5) } else { (0, 0) };
+
+ let (w, h) = ref_pic.get_dimensions(plane);
+ validate!((sx - d_x >= 0) && (sx - d_x + add_x + 16 <= (w as isize)));
+ validate!((sy - d_y >= 0) && (sy - d_y + add_y + 16 <= (h as isize)));
+ let pstride = ref_pic.get_stride(plane);
+ let mut poff = ref_pic.get_offset(plane) + (sx as usize) + (sy as usize) * pstride;
+ let pdata = ref_pic.get_data();
+ let ppix = pdata.as_slice();
+
+ let dst = &mut dst[xoff + (yoff & 31) * stride..];
+
+ match mode {
+ 0 => {
+ let src = &ppix[poff..];
+ for (out, row) in dst.chunks_mut(stride).take(16).zip(src.chunks(pstride)) {
+ for i in 0..16 { out[i] = row[i]; }
+ }
+ },
+ 1 => {
+ for out in dst.chunks_mut(stride).take(16) {
+ for i in 0..16 {
+ out[i] = luma_filter!(ppix, poff + i, 1);
+ }
+ poff += pstride;
+ }
+ },
+ 2 => {
+ for out in dst.chunks_mut(stride).take(16) {
+ for i in 0..16 {
+ out[i] = luma_filter!(ppix, poff + i, pstride);
+ }
+ poff += pstride;
+ }
+ },
+ 3 => {
+ let mut tmp = [0u8; 21 * 16];
+ for out in tmp.chunks_mut(16) {
+ for i in 0..16 {
+ out[i] = luma_filter!(ppix, poff - 2 * pstride + i, 1);
+ }
+ poff += pstride;
+ }
+ for (row, out) in dst.chunks_mut(stride).take(16).enumerate() {
+ for i in 0..16 {
+ out[i] = luma_filter!(tmp, (row + 2) * 16 + i, 16);
+ }
+ }
+ },
+ _ => unreachable!(),
+ };
+ Ok(())
+ }
+ fn mc_chroma(dst: &mut [u8], stride: usize, ref_pic: &NAVideoBuffer<u8>, xoff: usize, yoff: usize, mv: MV, plane: usize) -> DecoderResult<()> {
+ let sx = (xoff as isize) + ((mv.x >> 2) as isize);
+ let sy = (yoff as isize) + ((mv.y >> 2) as isize);
+ let mx = mv.x & 3;
+ let my = mv.y & 3;
+ let add_x = if mx != 0 { 1 } else { 0 };
+ let add_y = if my != 0 { 1 } else { 0 };
+
+ let (w, h) = ref_pic.get_dimensions(plane);
+ validate!((sx >= 0) && (sx + add_x + 8 <= (w as isize)));
+ validate!((sy >= 0) && (sy + add_y + 8 <= (h as isize)));
+ let pstride = ref_pic.get_stride(plane);
+ let poff = ref_pic.get_offset(plane) + (sx as usize) + (sy as usize) * pstride;
+ let pdata = ref_pic.get_data();
+ let ppix = pdata.as_slice();
+
+ let dst = &mut dst[xoff + (yoff & 15) * stride..];
+ if (mx == 0) && (my == 0) {
+ let inpix = &ppix[poff..];
+ for (out, src) in dst.chunks_mut(stride).take(8).zip(inpix.chunks(pstride)) {
+ for i in 0..8 { out[i] = src[i]; }
+ }
+ } else if my == 0 {
+ chroma_interp!(dst, stride, 8, u8, &ppix[poff..], pstride, 1, mx, 2);
+ } else if mx == 0 {
+ chroma_interp!(dst, stride, 8, u8, &ppix[poff..], pstride, pstride, my, 2);
+ } else {
+ let mut tmp = [0u16; 9 * 8];
+ chroma_interp!(tmp, 8, 9, u16, &ppix[poff..], pstride, 1, mx, 0);
+ chroma_interp!(dst, stride, 8, u8, &tmp, 8, 8, my, 4);
+ }
+ Ok(())
+ }
+}
+
+fn mid_pred<T:PartialOrd>(a: T, b: T, c: T) -> T {
+ if a < b {
+ if b < c {
+ b
+ } else {
+ if a < c { c } else { a }
+ }
+ } else {
+ if b < c {
+ if a < c { a } else { c }
+ } else {
+ b
+ }
+ }
+}
+
+#[derive(Default)]
+struct QuantInfo {
+ quants: Vec<u8>,
+ qstride: usize,
+ qpos: usize,
+ pqpos: usize,
+}
+
+impl QuantInfo {
+ fn resize(&mut self, bw: usize) {
+ self.qstride = bw * 2;
+ self.quants.resize(self.qstride * 2, 0);
+ self.qpos = 0;
+ self.pqpos = self.qstride;
+ }
+ fn update_line(&mut self) {
+ mem::swap(&mut self.qpos, &mut self.pqpos);
+ }
+ fn pred_quant(&self, pos: usize, is_top: bool) -> u8 {
+ let is_left = pos < 2;
+ if is_top {
+ if is_left { 16 } else { self.quants[self.qpos + pos - 2] }
+ } else {
+ if is_left {
+ self.quants[self.pqpos + pos]
+ } else {
+ mid_pred(self.quants[self.pqpos + pos - 2],
+ self.quants[self.pqpos + pos],
+ self.quants[self.qpos + pos - 2])
+ }
+ }
+ }
+ fn set_quant(&mut self, pos: usize, q: u8) {
+ self.quants[self.qpos + pos] = q;
+ }
+}
+
+#[derive(Default)]
+struct YDCInfo {
+ dcs: [i32; 16],
+ dc_buf: [i32; 16],
+ prev_dcs: Vec<i32>,
+ new_dcs: Vec<i32>,
+ stride: usize,
+ prev_off: usize,
+}
+
+impl YDCInfo {
+ fn resize(&mut self, bw: usize) {
+ self.stride = bw * 4 + 4;
+ self.prev_off = 4;
+ self.prev_dcs.resize(self.stride, 0);
+ self.new_dcs.resize(self.stride, 0);
+ }
+ fn update_line(&mut self) {
+ mem::swap(&mut self.prev_dcs, &mut self.new_dcs);
+ }
+ fn set_dcs(&mut self, bx: usize, dc5: i32, dc7: i32, dc13: i32, dc10: i32, dc11: i32, dc14: i32, dc15: i32) {
+ self.dcs[ 5] = dc5;
+ self.dcs[ 7] = dc7;
+ self.dcs[13] = dc13;
+ self.dcs[15] = dc15;
+ let new_dc = &mut self.new_dcs[bx * 4 + 4..];
+ new_dc[0] = dc10;
+ new_dc[1] = dc11;
+ new_dc[2] = dc14;
+ new_dc[3] = dc15;
+ }
+}
+
+#[derive(Default)]
+struct CDCInfo {
+ dcs: [i32; 4],
+ dc_buf: [i32; 4],
+ prev_dcs: Vec<i32>,
+ new_dcs: Vec<i32>,
+ stride: usize,
+ prev_off: usize,
+}
+
+impl CDCInfo {
+ fn resize(&mut self, bw: usize) {
+ self.stride = bw * 2 + 2;
+ self.prev_off = 2;
+ self.prev_dcs.resize(self.stride, 0);
+ self.new_dcs.resize(self.stride, 0);
+ }
+ fn update_line(&mut self) {
+ mem::swap(&mut self.prev_dcs, &mut self.new_dcs);
+ }
+ fn set_dcs(&mut self, bx: usize, dc1: i32, dc2: i32, dc3: i32) {
+ self.dcs[1] = dc1;
+ self.dcs[2] = dc2;
+ self.dcs[3] = dc3;
+ let new_dc = &mut self.new_dcs[bx * 2 + 2..];
+ new_dc[0] = dc2;
+ new_dc[1] = dc3;
+ }
+}
+
+trait DCInfo {
+ fn decode_dcs(&mut self, br: &mut BitReader, q: u8) -> DecoderResult<bool>;
+ fn predict(&mut self, bx: usize, is_top: bool, is_left: bool, min_dc: i32, max_dc: i32);
+ fn predict_inter(&mut self, min_dc: i32, max_dc: i32);
+}
+
+fn dc_pred2(a: i32, b: i32) -> i32 {
+ (a.max(b)).min(a.min(b).max(a * 2 - b))
+}
+fn dc_pred(a: i32, b: i32, c: i32) -> i32 {
+ (a.max(b).max(c)).min((a.min(b).min(c)).max(b - a + c))
+}
+
+impl DCInfo for YDCInfo {
+ fn decode_dcs(&mut self, br: &mut BitReader, q: u8) -> DecoderResult<bool> {
+ decode_dcs(br, &mut self.dc_buf, q)
+ }
+ #[allow(non_snake_case)]
+ fn predict(&mut self, bx: usize, is_top: bool, is_left: bool, min_dc: i32, max_dc: i32) {
+ let a0; let a1; let a2; let a3; let a4; let a5; let a6; let a7;
+ let a8; let a9; let aA; let aB; let aC; let aD; let aE; let aF;
+ let prev_dc = &self.prev_dcs[bx * 4..];
+ let dst = &mut self.dcs;
+ let dcs = &self.dc_buf;
+ if is_left {
+ if is_top { //zigzag in 2x2 blocks
+ let add = 1 << 10;//if has_prev_dc { 1 << 10 } else { 0 };
+ a0 = (dcs[ 0] + add).max(min_dc).min(max_dc);
+ a1 = (dcs[ 1] + a0).max(min_dc).min(max_dc);
+ a2 = (dcs[ 2] + dc_pred2(a0, a1)).max(min_dc).min(max_dc);
+ a3 = (dcs[ 3] + dc_pred(a0, a1, a2)).max(min_dc).min(max_dc);
+
+ a4 = (dcs[ 4] + dc_pred2(a1, a3)).max(min_dc).min(max_dc);
+ a5 = (dcs[ 5] + a4).max(min_dc).min(max_dc);
+ a6 = (dcs[ 6] + dc_pred(a1, a3, a4)).max(min_dc).min(max_dc);
+ a7 = (dcs[ 7] + dc_pred(a4, a5, a6)).max(min_dc).min(max_dc);
+
+ a8 = (dcs[ 8] + dc_pred2(a2, a3)).max(min_dc).min(max_dc);
+ a9 = (dcs[ 9] + dc_pred(a2, a3, a8)).max(min_dc).min(max_dc);
+ aA = (dcs[10] + dc_pred2(a8, a9)).max(min_dc).min(max_dc);
+ aB = (dcs[11] + dc_pred(a8, a9, aA)).max(min_dc).min(max_dc);
+
+ aC = (dcs[12] + dc_pred(a3, a6, a9)).max(min_dc).min(max_dc);
+ aD = (dcs[13] + dc_pred(a6, a7, aC)).max(min_dc).min(max_dc);
+ aE = (dcs[14] + dc_pred(a9, aB, aC)).max(min_dc).min(max_dc);
+ aF = (dcs[15] + dc_pred(aC, aD, aE)).max(min_dc).min(max_dc);
+ } else {
+ a0 = (dcs[ 0] + dc_pred2(prev_dc[4], prev_dc[5])).max(min_dc).min(max_dc);
+ a1 = (dcs[ 1] + dc_pred(prev_dc[4], prev_dc[5], a0)).max(min_dc).min(max_dc);
+ a2 = (dcs[ 2] + dc_pred2(a0, a1)).max(min_dc).min(max_dc);
+ a3 = (dcs[ 3] + dc_pred(a0, a1, a2)).max(min_dc).min(max_dc);
+
+ a4 = (dcs[ 4] + dc_pred(prev_dc[5], prev_dc[6], a1)).max(min_dc).min(max_dc);
+ a5 = (dcs[ 5] + dc_pred(prev_dc[6], prev_dc[7], a4)).max(min_dc).min(max_dc);
+ a6 = (dcs[ 6] + dc_pred(a1, a3, a4)).max(min_dc).min(max_dc);
+ a7 = (dcs[ 7] + dc_pred(a4, a5, a6)).max(min_dc).min(max_dc);
+
+ a8 = (dcs[ 8] + dc_pred2(a2, a3)).max(min_dc).min(max_dc);
+ a9 = (dcs[ 9] + dc_pred(a2, a3, a8)).max(min_dc).min(max_dc);
+ aA = (dcs[10] + dc_pred2(a8, a9)).max(min_dc).min(max_dc);
+ aB = (dcs[11] + dc_pred(a8, a9, aA)).max(min_dc).min(max_dc);
+
+ aC = (dcs[12] + dc_pred(a3, a6, a9)).max(min_dc).min(max_dc);
+ aD = (dcs[13] + dc_pred(a6, a7, aC)).max(min_dc).min(max_dc);
+ aE = (dcs[14] + dc_pred(a9, aB, aC)).max(min_dc).min(max_dc);
+ aF = (dcs[15] + dc_pred(aC, aD, aE)).max(min_dc).min(max_dc);
+ }
+ } else {
+ if is_top {
+ a0 = (dcs[ 0] + dc_pred2(dst[5], dst[7])).max(min_dc).min(max_dc);
+ a1 = (dcs[ 1] + a0).max(min_dc).min(max_dc);
+ a2 = (dcs[ 2] + dc_pred(dst[5], dst[7], a0)).max(min_dc).min(max_dc);
+ a3 = (dcs[ 3] + dc_pred(a0, a1, a2)).max(min_dc).min(max_dc);
+
+ a4 = (dcs[ 4] + dc_pred2(a1, a3)).max(min_dc).min(max_dc);
+ a5 = (dcs[ 5] + a4).max(min_dc).min(max_dc);
+ a6 = (dcs[ 6] + dc_pred(a1, a3, a4)).max(min_dc).min(max_dc);
+ a7 = (dcs[ 7] + dc_pred(a4, a5, a6)).max(min_dc).min(max_dc);
+
+ a8 = (dcs[ 8] + dc_pred(dst[7], dst[13], a2)).max(min_dc).min(max_dc);
+ a9 = (dcs[ 9] + dc_pred(a2, a3, a8)).max(min_dc).min(max_dc);
+ aA = (dcs[10] + dc_pred(dst[13], dst[15], a8)).max(min_dc).min(max_dc);
+ aB = (dcs[11] + dc_pred(a8, a9, aA)).max(min_dc).min(max_dc);
+
+ aC = (dcs[12] + dc_pred(a3, a6, a9)).max(min_dc).min(max_dc);
+ aD = (dcs[13] + dc_pred(a6, a7, aC)).max(min_dc).min(max_dc);
+ aE = (dcs[14] + dc_pred(a9, aB, aC)).max(min_dc).min(max_dc);
+ aF = (dcs[15] + dc_pred(aC, aD, aE)).max(min_dc).min(max_dc);
+ } else {
+ a0 = (dcs[ 0] + dc_pred(prev_dc[3], prev_dc[4], dst[5])).max(min_dc).min(max_dc);
+ a1 = (dcs[ 1] + dc_pred(prev_dc[4], prev_dc[5], a0)).max(min_dc).min(max_dc);
+ a2 = (dcs[ 2] + dc_pred(dst[5], dst[7], a0)).max(min_dc).min(max_dc);
+ a3 = (dcs[ 3] + dc_pred(a0, a1, a2)).max(min_dc).min(max_dc);
+
+ a4 = (dcs[ 4] + dc_pred(prev_dc[5], prev_dc[6], a1)).max(min_dc).min(max_dc);
+ a5 = (dcs[ 5] + dc_pred(prev_dc[6], prev_dc[7], a4)).max(min_dc).min(max_dc);
+ a6 = (dcs[ 6] + dc_pred(a1, a3, a4)).max(min_dc).min(max_dc);
+ a7 = (dcs[ 7] + dc_pred(a4, a5, a6)).max(min_dc).min(max_dc);
+
+ a8 = (dcs[ 8] + dc_pred(dst[7], dst[13], a2)).max(min_dc).min(max_dc);
+ a9 = (dcs[ 9] + dc_pred(a2, a3, a8)).max(min_dc).min(max_dc);
+ aA = (dcs[10] + dc_pred(dst[13], dst[15], a8)).max(min_dc).min(max_dc);
+ aB = (dcs[11] + dc_pred(a8, a9, aA)).max(min_dc).min(max_dc);
+
+ aC = (dcs[12] + dc_pred(a3, a6, a9)).max(min_dc).min(max_dc);
+ aD = (dcs[13] + dc_pred(a6, a7, aC)).max(min_dc).min(max_dc);
+ aE = (dcs[14] + dc_pred(a9, aB, aC)).max(min_dc).min(max_dc);
+ aF = (dcs[15] + dc_pred(aC, aD, aE)).max(min_dc).min(max_dc);
+ }
+ }
+ dst[ 0] = a0;
+ dst[ 1] = a1;
+ dst[ 2] = a2;
+ dst[ 3] = a3;
+ dst[ 4] = a4;
+ dst[ 5] = a5;
+ dst[ 6] = a6;
+ dst[ 7] = a7;
+ dst[ 8] = a8;
+ dst[ 9] = a9;
+ dst[10] = aA;
+ dst[11] = aB;
+ dst[12] = aC;
+ dst[13] = aD;
+ dst[14] = aE;
+ dst[15] = aF;
+ let new_dc = &mut self.new_dcs[bx * 4 + 4..];
+ new_dc[0] = aA;
+ new_dc[1] = aB;
+ new_dc[2] = aE;
+ new_dc[3] = aF;
+ }
+ #[allow(non_snake_case)]
+ fn predict_inter(&mut self, min_dc: i32, max_dc: i32) {
+ let a0; let a1; let a2; let a3; let a4; let a5; let a6; let a7;
+ let a8; let a9; let aA; let aB; let aC; let aD; let aE; let aF;
+ let dst = &mut self.dcs;
+ let dcs = &self.dc_buf;
+ a0 = (dcs[ 0] + 0).max(min_dc).min(max_dc);
+ a1 = (dcs[ 1] + a0).max(min_dc).min(max_dc);
+ a2 = (dcs[ 2] + dc_pred2(a0, a1)).max(min_dc).min(max_dc);
+ a3 = (dcs[ 3] + dc_pred(a0, a1, a2)).max(min_dc).min(max_dc);
+
+ a4 = (dcs[ 4] + dc_pred2(a1, a3)).max(min_dc).min(max_dc);
+ a5 = (dcs[ 5] + a4).max(min_dc).min(max_dc);
+ a6 = (dcs[ 6] + dc_pred(a1, a3, a4)).max(min_dc).min(max_dc);
+ a7 = (dcs[ 7] + dc_pred(a4, a5, a6)).max(min_dc).min(max_dc);
+
+ a8 = (dcs[ 8] + dc_pred2(a2, a3)).max(min_dc).min(max_dc);
+ a9 = (dcs[ 9] + dc_pred(a2, a3, a8)).max(min_dc).min(max_dc);
+ aA = (dcs[10] + dc_pred2(a8, a9)).max(min_dc).min(max_dc);
+ aB = (dcs[11] + dc_pred(a8, a9, aA)).max(min_dc).min(max_dc);
+
+ aC = (dcs[12] + dc_pred(a3, a6, a9)).max(min_dc).min(max_dc);
+ aD = (dcs[13] + dc_pred(a6, a7, aC)).max(min_dc).min(max_dc);
+ aE = (dcs[14] + dc_pred(a9, aB, aC)).max(min_dc).min(max_dc);
+ aF = (dcs[15] + dc_pred(aC, aD, aE)).max(min_dc).min(max_dc);
+
+ dst[ 0] = a0;
+ dst[ 1] = a1;
+ dst[ 2] = a2;
+ dst[ 3] = a3;
+ dst[ 4] = a4;
+ dst[ 5] = a5;
+ dst[ 6] = a6;
+ dst[ 7] = a7;
+ dst[ 8] = a8;
+ dst[ 9] = a9;
+ dst[10] = aA;
+ dst[11] = aB;
+ dst[12] = aC;
+ dst[13] = aD;
+ dst[14] = aE;
+ dst[15] = aF;
+ }
+}
+
+impl DCInfo for CDCInfo {
+ fn decode_dcs(&mut self, br: &mut BitReader, q: u8) -> DecoderResult<bool> {
+ decode_dcs(br, &mut self.dc_buf, q)
+ }
+ fn predict(&mut self, bx: usize, is_top: bool, is_left: bool, min_dc: i32, max_dc: i32) {
+ let prev_dc = &self.prev_dcs[bx * 2..];
+ let dst = &mut self.dcs;
+ let dcs = &self.dc_buf;
+
+ let a0; let a1; let a2; let a3;
+ if is_left {
+ if is_top {
+ let add = 1 << 10;//if has_prev_dc { 1 << 10 } else { 0 };
+ a0 = (dcs[ 0] + add).max(min_dc).min(max_dc);
+ a1 = (dcs[ 1] + a0).max(min_dc).min(max_dc);
+ } else {
+ a0 = (dcs[ 0] + dc_pred2(prev_dc[2], prev_dc[3])).max(min_dc).min(max_dc);
+ a1 = (dcs[ 1] + dc_pred(prev_dc[2], prev_dc[3], a0)).max(min_dc).min(max_dc);
+ }
+ a2 = (dcs[ 2] + dc_pred2(a0, a1)).max(min_dc).min(max_dc);
+ a3 = (dcs[ 3] + dc_pred(a0, a1, a2)).max(min_dc).min(max_dc);
+ } else {
+ if is_top {
+ a0 = (dcs[ 0] + dc_pred2(dst[1], dst[3])).max(min_dc).min(max_dc);
+ a1 = (dcs[ 1] + a0).max(min_dc).min(max_dc);
+ } else {
+ a0 = (dcs[ 0] + dc_pred(prev_dc[1], prev_dc[2], dst[1])).max(min_dc).min(max_dc);
+ a1 = (dcs[ 1] + dc_pred(prev_dc[2], prev_dc[3], a0)).max(min_dc).min(max_dc);
+ }
+ a2 = (dcs[ 2] + dc_pred(dst[1], dst[3], a0)).max(min_dc).min(max_dc);
+ a3 = (dcs[ 3] + dc_pred(a0, a1, a2)).max(min_dc).min(max_dc);
+ }
+ dst[0] = a0;
+ dst[1] = a1;
+ dst[2] = a2;
+ dst[3] = a3;
+ let new_dc = &mut self.new_dcs[bx * 2 + 2..];
+ new_dc[0] = a2;
+ new_dc[1] = a3;
+ }
+ fn predict_inter(&mut self, min_dc: i32, max_dc: i32) {
+ let dst = &mut self.dcs;
+ let dcs = &self.dc_buf;
+
+ let a0; let a1; let a2; let a3;
+
+ a0 = (dcs[ 0] + 0).max(min_dc).min(max_dc);
+ a1 = (dcs[ 1] + a0).max(min_dc).min(max_dc);
+ a2 = (dcs[ 2] + dc_pred2(a0, a1)).max(min_dc).min(max_dc);
+ a3 = (dcs[ 3] + dc_pred(a0, a1, a2)).max(min_dc).min(max_dc);
+
+ dst[0] = a0;
+ dst[1] = a1;
+ dst[2] = a2;
+ dst[3] = a3;
+ }
+}
+
+fn decode_dcs(br: &mut BitReader, dcs: &mut [i32], q: u8) -> DecoderResult<bool> {
+ if !br.read_bool()? {
+ for dc in dcs.iter_mut() {
+ *dc = 0;
+ }
+ Ok(false)
+ } else {
+ let quant = BINK2_QUANT_DC[q.max(8) as usize];
+ for dc in dcs.iter_mut() {
+ *dc = br.read_bink2_code_zero()?;
+ if *dc != 0 {
+ *dc = (*dc * quant + 0x1FF) >> 10;
+ if br.read_bool()? {
+ *dc = -*dc;
+ }
+ }
+ }
+ Ok(true)
+ }
+}
+#[derive(Default)]
+struct MVInfo {
+ mvs: Vec<MV>,
+ stride: usize,
+ mv_off: usize,
+ prev_off: usize,
+}
+
+impl MVInfo {
+ fn resize(&mut self, bw: usize) {
+ self.stride = bw * 4;
+ self.mv_off = 0;
+ self.prev_off = self.stride;
+ self.mvs.resize(self.stride * 2, ZERO_MV);
+ }
+ fn update_line(&mut self) {
+ mem::swap(&mut self.mv_off, &mut self.prev_off);
+ }
+ fn decode_mv_new(&mut self, br: &mut BitReader, mv_cb: &Codebook<i8>, bx: usize, is_top: bool, is_left: bool) -> DecoderResult<()> {
+ let num_mv = if br.read_bool()? { 1 } else { 4 };
+ let mv = &mut self.mvs;
+ let mv_pos = self.mv_off + bx * 4;
+ let ref_pos = self.prev_off + bx * 4;
+
+ for comp in 0..2 {
+ for i in 0..num_mv {
+ let val;
+ let raw_val = br.read_cb(mv_cb)?;
+ if raw_val != BINK2_MV_ESC {
+ val = raw_val as i16;
+ } else {
+ let len = br.read_code(UintCodeType::LimitedUnary(12, 1))? as u8;
+ let nlen = len + 4;
+ let uval = (br.read(nlen)? as i32) + (1 << nlen) - 1;
+ if (uval & 1) != 0 {
+ val = (-(uval >> 1) - 1) as i16;
+ } else {
+ val = (uval >> 1) as i16;
+ }
+ }
+ if comp == 0 {
+ mv[mv_pos + i].x = val;
+ } else {
+ mv[mv_pos + i].y = val;
+ }
+ }
+ }
+
+ if num_mv > 1 {
+ if is_top {
+ if !is_left {
+ let mv0 = mv[mv_pos + 0] + MV::pred(mv[mv_pos - 4], mv[mv_pos - 3], mv[mv_pos - 1]);
+ mv[mv_pos + 0] = mv0;
+ let mv2 = mv[mv_pos + 2] + MV::pred(mv[mv_pos - 3], mv[mv_pos - 1], mv[mv_pos + 0]);
+ mv[mv_pos + 2] = mv2;
+ let mv1 = mv[mv_pos + 1] + MV::pred(mv[mv_pos - 3], mv[mv_pos + 0], mv[mv_pos + 2]);
+ mv[mv_pos + 1] = mv1;
+ let mv3 = mv[mv_pos + 3] + MV::pred(mv[mv_pos + 0], mv[mv_pos + 1], mv[mv_pos + 2]);
+ mv[mv_pos + 3] = mv3;
+ } else {
+ let mv1 = mv[mv_pos + 1] + mv[mv_pos + 0];
+ mv[mv_pos + 1] = mv1;
+ let mv2 = mv[mv_pos + 2] + mv[mv_pos + 0];
+ mv[mv_pos + 2] = mv2;
+ let mv3 = mv[mv_pos + 3] + MV::pred(mv[mv_pos + 0], mv[mv_pos + 1], mv[mv_pos + 2]);
+ mv[mv_pos + 3] = mv3;
+ }
+ } else {
+ if is_left {
+ let mv0 = mv[mv_pos + 0] + MV::pred(mv[ref_pos + 0], mv[ref_pos + 2], mv[ref_pos + 3]);
+ mv[mv_pos + 0] = mv0;
+ let mv1 = mv[mv_pos + 1] + MV::pred(mv[ref_pos + 2], mv[ref_pos + 3], mv[mv_pos + 0]);
+ mv[mv_pos + 1] = mv1;
+ let mv2 = mv[mv_pos + 2] + MV::pred(mv[ref_pos + 2], mv[mv_pos + 0], mv[mv_pos + 1]);
+ mv[mv_pos + 2] = mv2;
+ let mv3 = mv[mv_pos + 3] + MV::pred(mv[mv_pos + 0], mv[mv_pos + 1], mv[mv_pos + 2]);
+ mv[mv_pos + 3] = mv3;
+ } else {
+ let mv0 = mv[mv_pos + 0] + MV::pred(mv[ref_pos + 2], mv[ref_pos - 1], mv[mv_pos - 3]);
+ mv[mv_pos + 0] = mv0;
+ let mv1 = mv[mv_pos + 1] + MV::pred(mv[ref_pos + 2], mv[ref_pos + 3], mv[mv_pos + 0]);
+ mv[mv_pos + 1] = mv1;
+ let mv2 = mv[mv_pos + 2] + MV::pred(mv[mv_pos - 3], mv[mv_pos - 1], mv[mv_pos + 0]);
+ mv[mv_pos + 2] = mv2;
+ let mv3 = mv[mv_pos + 3] + MV::pred(mv[mv_pos + 0], mv[mv_pos + 1], mv[mv_pos + 2]);
+ mv[mv_pos + 3] = mv3;
+ }
+ }
+ } else {
+ let mut mv_pred = mv[mv_pos + 0];
+ if is_top {
+ if !is_left {
+ mv_pred += MV::pred(mv[mv_pos - 4], mv[mv_pos - 3], mv[mv_pos - 1]);
+ }
+ } else {
+ if !is_left {
+ mv_pred += MV::pred(mv[ref_pos - 1], mv[ref_pos + 2], mv[mv_pos - 3]);
+ } else {
+ mv_pred += MV::pred(mv[ref_pos + 0], mv[ref_pos + 2], mv[ref_pos + 3]);
+ }
+ }
+ mv[mv_pos + 0] = mv_pred;
+ mv[mv_pos + 1] = mv_pred;
+ mv[mv_pos + 2] = mv_pred;
+ mv[mv_pos + 3] = mv_pred;
+ }
+ Ok(())
+ }
+ fn decode_mv_old(&mut self, br: &mut BitReader, bx: usize, is_top: bool, is_left: bool) -> DecoderResult<()> {
+ let mv = &mut self.mvs;
+ let mv_pos = self.mv_off + bx * 4;
+ let ref_pos = self.prev_off + bx * 4;
+
+ let mut basex = 0;
+ let mut basey = 0;
+ for comp in 0..2 {
+ let mut bits = br.read(3)? as u8;
+ if bits == 7 {
+ bits += br.read(2)? as u8;
+ }
+ let mut mv_c: [i16; 4] = [0; 4];
+ if bits > 0 {
+ for i in 0..4 {
+ mv_c[i] = br.read(bits)? as i16;
+ }
+ for i in 0..4 {
+ if (mv_c[i] != 0) && br.read_bool()? {
+ mv_c[i] = -mv_c[i];
+ }
+ }
+ }
+ if is_top && is_left {
+ let mut val = br.read(5)? as i16;
+ if (val != 0) && br.read_bool()? {
+ val = -val;
+ }
+ if comp == 0 {
+ basex = val;
+ } else {
+ basey = val;
+ }
+ }
+ if comp == 0 {
+ for i in 0..4 {
+ mv[mv_pos + i].x = mv_c[i];
+ }
+ } else {
+ for i in 0..4 {
+ mv[mv_pos + i].y = mv_c[i];
+ }
+ }
+ }
+ if !is_top {
+ if is_left {
+ let mv0 = mv[mv_pos + 0] + MV::pred(mv[ref_pos + 0], mv[ref_pos + 2], mv[ref_pos + 3]);
+ mv[mv_pos + 0] = mv0;
+ let mv1 = mv[mv_pos + 1] + MV::pred(mv[ref_pos + 2], mv[ref_pos + 3], mv[mv_pos + 0]);
+ mv[mv_pos + 1] = mv1;
+ let mv2 = mv[mv_pos + 2] + MV::pred(mv[ref_pos + 2], mv[mv_pos + 0], mv[mv_pos + 1]);
+ mv[mv_pos + 2] = mv2;
+ let mv3 = mv[mv_pos + 3] + MV::pred(mv[mv_pos + 0], mv[mv_pos + 1], mv[mv_pos + 2]);
+ mv[mv_pos + 3] = mv3;
+ } else {
+ let mv0 = mv[mv_pos + 0] + MV::pred(mv[ref_pos - 1], mv[ref_pos + 2], mv[mv_pos - 3]);
+ mv[mv_pos + 0] = mv0;
+ let mv1 = mv[mv_pos + 1] + MV::pred(mv[ref_pos + 2], mv[ref_pos + 3], mv[mv_pos + 0]);
+ mv[mv_pos + 1] = mv1;
+ let mv2 = mv[mv_pos + 2] + MV::pred(mv[ref_pos + 2], mv[mv_pos + 0], mv[mv_pos + 1]);
+ mv[mv_pos + 2] = mv2;
+ let mv3 = mv[mv_pos + 3] + MV::pred(mv[mv_pos + 0], mv[mv_pos + 1], mv[mv_pos + 2]);
+ mv[mv_pos + 3] = mv3;
+ }
+ } else {
+ if is_left {
+ let base_mv = MV { x: basex * 16, y: basey * 16 };
+ mv[mv_pos + 0] += base_mv;
+ mv[mv_pos + 1] += base_mv;
+ mv[mv_pos + 2] += base_mv;
+ mv[mv_pos + 3] += base_mv;
+ } else {
+ let mv0 = mv[mv_pos + 0] + MV::pred(mv[mv_pos - 4], mv[mv_pos - 3], mv[mv_pos - 1]);
+ mv[mv_pos + 0] = mv0;
+ let mv2 = mv[mv_pos + 2] + MV::pred(mv[mv_pos - 3], mv[mv_pos - 1], mv[mv_pos + 0]);
+ mv[mv_pos + 2] = mv2;
+ let mv1 = mv[mv_pos + 1] + MV::pred(mv[mv_pos - 3], mv[mv_pos + 0], mv[mv_pos + 2]);
+ mv[mv_pos + 1] = mv1;
+ let mv3 = mv[mv_pos + 3] + MV::pred(mv[mv_pos + 0], mv[mv_pos + 1], mv[mv_pos + 2]);
+ mv[mv_pos + 3] = mv3;
+ }
+ }
+ Ok(())
+ }
+
+ fn predict_mvs(&mut self, bx: usize, is_top: bool, is_left: bool, is_new: bool) {
+ let mv = &mut self.mvs;
+ let mv_pos = self.mv_off + bx * 4;
+ let ref_pos = self.prev_off + bx * 4;
+
+ if is_top {
+ if is_left {
+ for i in 0..4 {
+ mv[mv_pos + i] = ZERO_MV;
+ }
+ } else {
+ mv[mv_pos + 0] = MV::pred(mv[mv_pos - 4], mv[mv_pos - 3], mv[mv_pos - 1]);
+ mv[mv_pos + 2] = MV::pred(mv[mv_pos - 3], mv[mv_pos - 1], mv[mv_pos + 0]);
+ mv[mv_pos + 1] = MV::pred(mv[mv_pos - 1], mv[mv_pos + 0], mv[mv_pos + 2]);
+ mv[mv_pos + 3] = MV::pred(mv[mv_pos + 0], mv[mv_pos + 1], mv[mv_pos + 2]);
+ }
+ } else {
+ if is_left {
+ mv[mv_pos + 0] = MV::pred(mv[ref_pos + 0], mv[ref_pos + 2], mv[ref_pos + 3]);
+ mv[mv_pos + 1] = MV::pred(mv[mv_pos + 0], mv[ref_pos + 2], mv[ref_pos + 3]);
+ mv[mv_pos + 2] = MV::pred(mv[ref_pos + 2], mv[mv_pos + 1], mv[mv_pos + 0]);
+ mv[mv_pos + 3] = MV::pred(mv[mv_pos + 0], mv[mv_pos + 1], mv[mv_pos + 2]);
+ } else {
+ mv[mv_pos + 0] = MV::pred(mv[mv_pos - 3], mv[ref_pos - 1], mv[ref_pos + 2]);
+ mv[mv_pos + 1] = MV::pred(mv[mv_pos + 0], mv[ref_pos + 2], mv[ref_pos + 3]);
+ if is_new {
+ mv[mv_pos + 2] = MV::pred(mv[mv_pos - 3], mv[mv_pos - 1], mv[mv_pos + 0]);
+ } else {
+ mv[mv_pos + 2] = MV::pred(mv[ref_pos + 2], mv[mv_pos + 1], mv[mv_pos + 0]);
+ }
+ mv[mv_pos + 3] = MV::pred(mv[mv_pos + 0], mv[mv_pos + 1], mv[mv_pos + 2]);
+ }
+ }
+ }
+
+ fn get_mv(&self, bx: usize, blk: usize) -> MV { self.mvs[self.mv_off + bx * 4 + blk] }
+ fn zero(&mut self, bx: usize) {
+ let pos = self.mv_off + bx * 4;
+ self.mvs[pos + 0] = ZERO_MV;
+ self.mvs[pos + 1] = ZERO_MV;
+ self.mvs[pos + 2] = ZERO_MV;
+ self.mvs[pos + 3] = ZERO_MV;
+ }
+}
+
+struct Bink2Codes {
+ ac_cb1: Codebook<u8>,
+ ac_cb2: Codebook<u8>,
+ mv_cb: Codebook<i8>,
+ val_cb1: Codebook<u8>,
+ val_cb2: Codebook<u8>,
+ skip_cb1: Codebook<u8>,
+ skip_cb2: Codebook<u8>,
+ quant_cb: Codebook<u8>,
+}
+
+fn map_ac(idx: usize) -> u8 { idx as u8 }
+fn map_mv(idx: usize) -> i8 { BINK2_MV_SYMS[idx] }
+
+impl Default for Bink2Codes {
+ fn default() -> Self {
+ let mut cbr = TableCodebookDescReader::new(BINK2_AC_CODES1, BINK2_AC_BITS1, map_ac);
+ let ac_cb1 = Codebook::new(&mut cbr, CodebookMode::LSB).unwrap();
+ let mut cbr = TableCodebookDescReader::new(BINK2_AC_CODES2, BINK2_AC_BITS2, map_ac);
+ let ac_cb2 = Codebook::new(&mut cbr, CodebookMode::LSB).unwrap();
+ let mut cbr = TableCodebookDescReader::new(BINK2_MV_CODES, BINK2_MV_BITS, map_mv);
+ let mv_cb = Codebook::new(&mut cbr, CodebookMode::LSB).unwrap();
+ let mut cbr = TableCodebookDescReader::new(BINK2_AC_VAL_CODES1, BINK2_AC_VAL_BITS1, map_ac);
+ let val_cb1 = Codebook::new(&mut cbr, CodebookMode::LSB).unwrap();
+ let mut cbr = TableCodebookDescReader::new(BINK2_AC_VAL_CODES2, BINK2_AC_VAL_BITS2, map_ac);
+ let val_cb2 = Codebook::new(&mut cbr, CodebookMode::LSB).unwrap();
+ let mut cbr = TableCodebookDescReader::new(BINK2_AC_SKIP_CODES1, BINK2_AC_SKIP_BITS1, map_ac);
+ let skip_cb1 = Codebook::new(&mut cbr, CodebookMode::LSB).unwrap();
+ let mut cbr = TableCodebookDescReader::new(BINK2_AC_SKIP_CODES2, BINK2_AC_SKIP_BITS2, map_ac);
+ let skip_cb2 = Codebook::new(&mut cbr, CodebookMode::LSB).unwrap();
+ let mut cbr = TableCodebookDescReader::new(BINK2_QUANT_CODES, BINK2_QUANT_BITS, map_ac);
+ let quant_cb = Codebook::new(&mut cbr, CodebookMode::LSB).unwrap();
+ Self { ac_cb1, ac_cb2, mv_cb, val_cb1, val_cb2, skip_cb1, skip_cb2, quant_cb }
+ }
+}
+
+#[derive(Default)]
+struct Bink2Decoder {
+ info: Rc<NACodecInfo>,
+ ips: IPShuffler,
+
+ version: u32,
+ key_frame: bool,
+ cur_w: usize,
+ cur_h: usize,
+ qinfo: QuantInfo,
+ y_dcs: YDCInfo,
+ u_dcs: CDCInfo,
+ v_dcs: CDCInfo,
+ mvs: MVInfo,
+
+ codes: Bink2Codes,
+}
+
+impl Bink2Decoder {
+ fn new() -> Self {
+ Self::default()
+ }
+
+ fn decode_frame_new(&mut self, br: &mut BitReader, buf: &mut NAVideoBuffer<u8>, is_intra: bool) -> DecoderResult<()> {
+ let (stride_y, stride_u, stride_v) = (buf.get_stride(0), buf.get_stride(1), buf.get_stride(2));
+ let (mut off_y, mut off_u, mut off_v) = (buf.get_offset(0), buf.get_offset(1), buf.get_offset(2));
+ let (ooff_y, ooff_u, ooff_v) = (off_y, off_u, off_v);
+ let (width, height) = buf.get_dimensions(0);
+ let mut data = buf.get_data_mut();
+ let dst = data.as_mut_slice();
+ let bw = (width + 31) >> 5;
+ let bh = (height + 31) >> 6;
+ self.cur_w = (width + 7) & !7;
+ self.cur_h = ((height + 7) & !7) >> 1;
+
+ let frame_flags = br.read(32)?;
+ let offset2 = br.read(32)?;
+ if (frame_flags & 0x80000) != 0 {
+println!("fill {:X}", frame_flags);
+unimplemented!();
+ }
+ for slice_no in 0..2 {
+ if slice_no == 1 {
+ br.seek(offset2 * 8)?;
+ off_y = ooff_y + stride_y * bh * 32;
+ off_u = ooff_u + stride_u * bh * 16;
+ off_v = ooff_v + stride_v * bh * 16;
+ }
+ let mut row_flags: Vec<u8> = Vec::with_capacity(height >> 3);
+ let mut col_flags: Vec<u8> = Vec::with_capacity(width >> 3);
+ if (frame_flags & 0x1000) != 0 {
+ if (frame_flags & 0x8000) != 0 {
+ decode_flags(br, &mut row_flags, 1, (height >> 3) - 1)?;
+ }
+ if (frame_flags & 0x4000) != 0 {
+ decode_flags(br, &mut col_flags, 1, (width >> 3) - 1)?;
+ }
+ }
+ row_flags.resize(height >> 3, 0);
+ col_flags.resize(width >> 3, 0);
+ //store frame_flags * 8 & 0x7F8
+
+ let mut row_state = frame_flags & 0x2E000;
+ if is_intra {
+ row_state |= 0x10000;
+ }
+ self.qinfo.resize(bw);
+ self.y_dcs.resize(bw);
+ self.u_dcs.resize(bw);
+ self.v_dcs.resize(bw);
+ self.mvs.resize(bw);
+ for by in 0..bh {
+ let mut cbp_y = 0;
+ let mut cbp_u = 0;
+ let mut cbp_v = 0;
+ let mut cbp_y_p = 0;
+ let mut cbp_u_p = 0;
+ let mut cbp_v_p = 0;
+ let mut q_y = 8;
+ let mut q_u = 8;
+ let mut q_v = 8;
+ let mut q_y_p = 8;
+ let mut q_u_p = 8;
+ let mut q_v_p = 8;
+ let rflags = (row_flags[by >> 1] >> (if (by & 1) != 0 { 4 } else { 0 })) as u32;
+ row_state = (row_state & 0x3FFFFFF) | ((row_state >> 4) & 0xC000000) | (rflags << 28);
+ if by == 0 {
+ row_state |= 0x80;
+// } else {
+// row_state |= 0x8;
+ }
+ if by + 2 >= bh {
+ row_state |= 0x100;
+ }
+
+ let mut btype_lru: [u8; 4] = [ 2, 3, 1, 0 ];
+ let mut edge_state = 0;
+ let is_top = by == 0;
+ for bx in 0..bw {
+ let mut blk_state = row_state | (edge_state & 0x3FC0000);
+ if bx == 0 {
+ blk_state |= 0x20;
+ }
+ if bx + 2 < bw {
+ blk_state |= 0x40;
+ }
+ if (bx & 1) != 0 {
+ blk_state |= 0x200;
+ }
+ let clflags = (col_flags[bx >> 1] >> (if (bx & 1) != 0 { 4 } else { 0 })) as u32;
+ let edge_state_c = ((blk_state >> 4) & 0x3C0000) | (blk_state & 0xFC03FFFF) | ((clflags & 0xF) << 22);
+ let edge_state_y = (frame_flags & 0x40000) | (blk_state & 0x3FFFF);
+ edge_state = edge_state_c;
+
+ //let is_top = (edge_state & 0x88) != 0;
+ let is_left = bx == 0; //(edge_state & 0x20) != 0;
+
+ let btype;
+ if is_intra {
+ btype = 0;
+ } else {
+ if (blk_state & 0x2000) != 0 {
+ let val = br.read_code(UintCodeType::LimitedUnary(3, 1))?;
+ match val {
+ 0 => {
+ btype = btype_lru[0];
+ },
+ 1 => {
+ btype = btype_lru[1];
+ btype_lru[1] = btype_lru[0];
+ btype_lru[0] = btype;
+ },
+ 2 => {
+ btype = btype_lru[3];
+ btype_lru[3] = btype_lru[2];
+ btype_lru[2] = btype;
+ },
+ 3 => {
+ btype = btype_lru[2];
+ btype_lru[2] = btype_lru[1];
+ btype_lru[1] = btype;
+ },
+ _ => unreachable!(),
+ };
+ } else {
+ btype = br.read(2)? as u8;
+ }
+ }
+ if !is_intra {
+ let q = self.qinfo.pred_quant(bx * 2, is_top);
+ self.qinfo.set_quant(bx * 2, q);
+ let q = self.qinfo.pred_quant(bx * 2 + 1, is_top);
+ self.qinfo.set_quant(bx * 2 + 1, q);
+ }
+ match btype {
+ 0 => { // intra
+ if (frame_flags & 0x2000) != 0 {
+ let mut yblk: [[[i32; 64]; 4]; 4] = [[[0; 64]; 4]; 4];
+ let mut ublk: [[i32; 64]; 4] = [[0; 64]; 4];
+ let mut vblk: [[i32; 64]; 4] = [[0; 64]; 4];
+ let q = get_new_quant(br, self.qinfo.pred_quant(bx * 2, is_top))?;
+ self.qinfo.set_quant(bx * 2, q);
+ cbp_y = decode_luma_intra(br, &self.codes, cbp_y, q, &mut yblk, edge_state_y, &mut self.y_dcs, bx)?;
+ cbp_v = decode_chroma_intra(br, &self.codes, cbp_v, q, &mut vblk, edge_state_c, &mut self.v_dcs, bx)?;
+ cbp_u = decode_chroma_intra(br, &self.codes, cbp_u, q, &mut ublk, edge_state_c, &mut self.u_dcs, bx)?;
+//if smth decode one more y
+//if smth else decode one more y
+ Bink2DSP::put_mb4(dst, off_y + bx * 32 + 0 + 0 * stride_y, stride_y, &mut yblk[0]);
+ Bink2DSP::put_mb4(dst, off_y + bx * 32 + 16 + 0 * stride_y, stride_y, &mut yblk[1]);
+ Bink2DSP::put_mb4(dst, off_y + bx * 32 + 0 + 16 * stride_y, stride_y, &mut yblk[2]);
+ Bink2DSP::put_mb4(dst, off_y + bx * 32 + 16 + 16 * stride_y, stride_y, &mut yblk[3]);
+ Bink2DSP::put_mb4(dst, off_u + bx * 16, stride_u, &mut ublk);
+ Bink2DSP::put_mb4(dst, off_v + bx * 16, stride_v, &mut vblk);
+ } else {
+ let mut yblk: [[[f32; 64]; 4]; 4] = [[[0.0; 64]; 4]; 4];
+ let mut ublk: [[f32; 64]; 4] = [[0.0; 64]; 4];
+ let mut vblk: [[f32; 64]; 4] = [[0.0; 64]; 4];
+ cbp_y = decode_luma_intra_old(br, &self.codes, cbp_y, &mut yblk, edge_state_y, &mut self.y_dcs, bx, &mut q_y)?;
+ cbp_v = decode_chroma_intra_old(br, &self.codes, cbp_v, &mut vblk, edge_state_c, &mut self.v_dcs, bx, &mut q_v)?;
+ cbp_u = decode_chroma_intra_old(br, &self.codes, cbp_u, &mut ublk, edge_state_c, &mut self.u_dcs, bx, &mut q_u)?;
+ Bink2DSP::put_mb4_old(dst, off_y + bx * 32 + 0 + 0 * stride_y, stride_y, &mut yblk[0]);
+ Bink2DSP::put_mb4_old(dst, off_y + bx * 32 + 16 + 0 * stride_y, stride_y, &mut yblk[1]);
+ Bink2DSP::put_mb4_old(dst, off_y + bx * 32 + 0 + 16 * stride_y, stride_y, &mut yblk[2]);
+ Bink2DSP::put_mb4_old(dst, off_y + bx * 32 + 16 + 16 * stride_y, stride_y, &mut yblk[3]);
+ Bink2DSP::put_mb4_old(dst, off_u + bx * 16, stride_u, &mut ublk);
+ Bink2DSP::put_mb4_old(dst, off_v + bx * 16, stride_v, &mut vblk);
+ }
+ if !is_intra {
+ self.mvs.predict_mvs(bx, is_top, is_left, (frame_flags & 0x2000) != 0);
+ }
+ },
+ 1 => { // skip
+ if let Some(ref ref_pic) = self.ips.get_ref() {
+ for blk_no in 0..4 {
+ let xoff = bx * 32 + (blk_no & 1) * 16;
+ let yoff = slice_no * bh * 32 + by * 32 + (blk_no & 2) * 8;
+ Bink2DSP::mc_luma(&mut dst[off_y..], stride_y, ref_pic, xoff, yoff, ZERO_MV, 0)?;
+ Bink2DSP::mc_chroma(&mut dst[off_u..], stride_u, ref_pic, xoff >> 1, yoff >> 1, ZERO_MV, 1)?;
+ Bink2DSP::mc_chroma(&mut dst[off_v..], stride_v, ref_pic, xoff >> 1, yoff >> 1, ZERO_MV, 2)?;
+ }
+ } else {
+ return Err(DecoderError::MissingReference);
+ }
+ self.mvs.zero(bx);
+ },
+ 2 => { // motion
+ if (frame_flags & 0x2000) != 0 {
+ self.mvs.decode_mv_new(br, &self.codes.mv_cb, bx, is_top, is_left)?;
+ } else {
+ self.mvs.decode_mv_old(br, bx, is_top, is_left)?;
+ }
+ if let Some(ref ref_pic) = self.ips.get_ref() {
+ for blk_no in 0..4 {
+ let xoff = bx * 32 + (blk_no & 1) * 16;
+ let yoff = slice_no * bh * 32 + by * 32 + (blk_no & 2) * 8;
+ let mv = self.mvs.get_mv(bx, blk_no);
+ Bink2DSP::mc_luma(&mut dst[off_y..], stride_y, ref_pic, xoff, yoff, mv, 0)?;
+ Bink2DSP::mc_chroma(&mut dst[off_u..], stride_u, ref_pic, xoff >> 1, yoff >> 1, mv, 1)?;
+ Bink2DSP::mc_chroma(&mut dst[off_v..], stride_v, ref_pic, xoff >> 1, yoff >> 1, mv, 2)?;
+ }
+ } else {
+ return Err(DecoderError::MissingReference);
+ }
+ },
+ 3 => { // inter
+ if (frame_flags & 0x2000) != 0 {
+ self.mvs.decode_mv_new(br, &self.codes.mv_cb, bx, is_top, is_left)?;
+ } else {
+ self.mvs.decode_mv_old(br, bx, is_top, is_left)?;
+ }
+ if let Some(ref ref_pic) = self.ips.get_ref() {
+ for blk_no in 0..4 {
+ let xoff = bx * 32 + (blk_no & 1) * 16;
+ let yoff = slice_no * bh * 32 + by * 32 + (blk_no & 2) * 8;
+ let mv = self.mvs.get_mv(bx, blk_no);
+ Bink2DSP::mc_luma(&mut dst[off_y..], stride_y, ref_pic, xoff, yoff, mv, 0)?;
+ Bink2DSP::mc_chroma(&mut dst[off_u..], stride_u, ref_pic, xoff >> 1, yoff >> 1, mv, 1)?;
+ Bink2DSP::mc_chroma(&mut dst[off_v..], stride_v, ref_pic, xoff >> 1, yoff >> 1, mv, 2)?;
+ }
+ } else {
+ return Err(DecoderError::MissingReference);
+ }
+ if (frame_flags & 0x2000) != 0 {
+ let mut yblk: [[[i32; 64]; 4]; 4] = [[[0; 64]; 4]; 4];
+ let mut ublk: [[i32; 64]; 4] = [[0; 64]; 4];
+ let mut vblk: [[i32; 64]; 4] = [[0; 64]; 4];
+ let q = get_new_quant(br, self.qinfo.pred_quant(bx * 2 + 1, is_top))?;
+ self.qinfo.set_quant(bx * 2 + 1, q);
+ cbp_y_p = decode_luma_inter(br, &self.codes, cbp_y_p, q, &mut yblk, edge_state_y, &mut self.y_dcs)?;
+ if br.read_bool()? {
+ cbp_v_p = decode_chroma_inter(br, &self.codes, cbp_v_p, q, &mut vblk, edge_state_y, &mut self.v_dcs)?;
+ cbp_u_p = decode_chroma_inter(br, &self.codes, cbp_u_p, q, &mut ublk, edge_state_y, &mut self.u_dcs)?;
+ } else {
+ cbp_v_p = 0;
+ cbp_u_p = 0;
+ }
+ Bink2DSP::add_mb4(dst, off_y + bx * 32 + 0 + 0 * stride_y, stride_y, &mut yblk[0]);
+ Bink2DSP::add_mb4(dst, off_y + bx * 32 + 16 + 0 * stride_y, stride_y, &mut yblk[1]);
+ Bink2DSP::add_mb4(dst, off_y + bx * 32 + 0 + 16 * stride_y, stride_y, &mut yblk[2]);
+ Bink2DSP::add_mb4(dst, off_y + bx * 32 + 16 + 16 * stride_y, stride_y, &mut yblk[3]);
+ Bink2DSP::add_mb4(dst, off_u + bx * 16, stride_u, &mut ublk);
+ Bink2DSP::add_mb4(dst, off_v + bx * 16, stride_v, &mut vblk);
+ } else {
+ let mut yblk: [[[f32; 64]; 4]; 4] = [[[0.0; 64]; 4]; 4];
+ let mut ublk: [[f32; 64]; 4] = [[0.0; 64]; 4];
+ let mut vblk: [[f32; 64]; 4] = [[0.0; 64]; 4];
+ cbp_y_p = decode_luma_inter_old(br, &self.codes, cbp_y_p, &mut yblk, edge_state_y, &mut self.y_dcs, &mut q_y_p)?;
+ cbp_v_p = decode_chroma_inter_old(br, &self.codes, cbp_v_p, &mut vblk, edge_state_y, &mut self.v_dcs, &mut q_v_p)?;
+ cbp_u_p = decode_chroma_inter_old(br, &self.codes, cbp_u_p, &mut ublk, edge_state_y, &mut self.u_dcs, &mut q_u_p)?;
+ Bink2DSP::add_mb4_old(dst, off_y + bx * 32 + 0 + 0 * stride_y, stride_y, &mut yblk[0]);
+ Bink2DSP::add_mb4_old(dst, off_y + bx * 32 + 16 + 0 * stride_y, stride_y, &mut yblk[1]);
+ Bink2DSP::add_mb4_old(dst, off_y + bx * 32 + 0 + 16 * stride_y, stride_y, &mut yblk[2]);
+ Bink2DSP::add_mb4_old(dst, off_y + bx * 32 + 16 + 16 * stride_y, stride_y, &mut yblk[3]);
+ Bink2DSP::add_mb4_old(dst, off_u + bx * 16, stride_u, &mut ublk);
+ Bink2DSP::add_mb4_old(dst, off_v + bx * 16, stride_v, &mut vblk);
+ }
+ },
+ _ => unreachable!(),
+ };
+ if btype != 0 {
+ let src = &dst[off_y + bx * 32..];
+ let dc5 = Bink2DSP::calc_dc(&src[24..], stride_y);
+ let dc7 = Bink2DSP::calc_dc(&src[24 + stride_y * 8..], stride_y);
+ let dc13 = Bink2DSP::calc_dc(&src[24 + stride_y * 16..], stride_y);
+ let dc10 = Bink2DSP::calc_dc(&src[ 0 + stride_y * 24..], stride_y);
+ let dc11 = Bink2DSP::calc_dc(&src[ 8 + stride_y * 24..], stride_y);
+ let dc14 = Bink2DSP::calc_dc(&src[16 + stride_y * 24..], stride_y);
+ let dc15 = Bink2DSP::calc_dc(&src[24 + stride_y * 24..], stride_y);
+ self.y_dcs.set_dcs(bx, dc5, dc7, dc13, dc10, dc11, dc14, dc15);
+ let src = &dst[off_u + bx * 16..];
+ let dc1 = Bink2DSP::calc_dc(&src[8..], stride_u);
+ let dc2 = Bink2DSP::calc_dc(&src[0 + stride_u * 8..], stride_u);
+ let dc3 = Bink2DSP::calc_dc(&src[8 + stride_u * 8..], stride_u);
+ self.u_dcs.set_dcs(bx, dc1, dc2, dc3);
+ let src = &dst[off_v + bx * 16..];
+ let dc1 = Bink2DSP::calc_dc(&src[8..], stride_v);
+ let dc2 = Bink2DSP::calc_dc(&src[0 + stride_v * 8..], stride_v);
+ let dc3 = Bink2DSP::calc_dc(&src[8 + stride_v * 8..], stride_v);
+ self.v_dcs.set_dcs(bx, dc1, dc2, dc3);
+ }
+ }
+ self.qinfo.update_line();
+ self.y_dcs.update_line();
+ self.u_dcs.update_line();
+ self.v_dcs.update_line();
+ self.mvs.update_line();
+ off_y += stride_y * 32;
+ off_u += stride_u * 16;
+ off_v += stride_v * 16;
+ row_state = (row_state & !0x190) | ((row_state & 4) << 2);
+ }
+ }
+ Ok(())
+ }
+}
+
+fn decode_flags(_br: &mut BitReader, _dst: &mut Vec<u8>, _start: usize, _nbits: usize) -> DecoderResult<u32> {
+unimplemented!();
+/* if !br.read_bool()? { // read bits into byte array?
+ if nbits == 0 { return Ok(()); }
+ if nbits < 9 {
+ shift = in_shift;
+ pfx = 0;
+ } else {
+ shift = in_shift;
+ loop {
+ pfx |= br.read(8)? << shift;
+ dst.push((pfx & 0xFF) as u8);
+ pfx >>= 8;
+ shift -= 8;
+ }
+ }
+ let val = br.read(cur_nbits)?;
+ dst.push(pfx | (val << shift))
+ } else {
+ let mut cur_bits = nbits;
+ let mut mode = 0;
+ let mut lastbit = 0;
+ while cur_bits > 0 {
+ if !br.read_bool()? {
+ lastbit = if mode == 3 { lastbit ^ 1 } else { br.read(1)? };
+ let val1 = lastval | (lastbit << shift);
+ let val2 = br.read(if cur_bits > 4 { 4 } else { cur_bits });
+ let val = lastval | (lastbit << shift) | (val2 << (shift + 1));
+ mode = 2;
+ if oshift >= 8 {
+ dst.push((val & 0xFF) as u8);
+ oshift -= 8;
+ val >>= 8;
+ }
+ lastval = val;
+ } else {
+ let bread;
+ if cur_bits < 4 {
+ bread = 2;
+ } else if cur_bits < 16 {
+ bread = 4;
+ } else {
+ bread = 4 | 1;
+ }
+ lastbit = if mode == 3 { lastbit ^ 1 } else { br.read(1)? };
+ run = (if mode == 3 { bread + 1 } else { bread + 2 }).min(cur_bits);
+ if run == cur_bits {
+ output lastbit x run
+ } else {
+ let add_run = br.read(bread)? as usize;
+ run += add_run;
+ output lastbit x run
+ mode = if add_run == (1 << bread) - 1 { 3 } else { 1 };
+ }
+ }
+ }
+ }
+ Ok(())*/
+}
+
+fn get_new_quant(br: &mut BitReader, prev_q: u8) -> DecoderResult<u8> {
+ let mut code = br.read_code(UintCodeType::LimitedUnary(4, 1))? as u8;
+ if code == 0 {
+ Ok(prev_q)
+ } else {
+ if code == 3 {
+ code += br.read(1)? as u8;
+ } else if code == 4 {
+ code = (br.read(5)? as u8) + 5;
+ }
+ let ret;
+ if !br.read_bool()? {
+ ret = prev_q.checked_add(code);
+ } else {
+ ret = prev_q.checked_sub(code);
+ }
+ validate!(ret.is_some());
+ let val = ret.unwrap();
+ validate!(val < (BINK2_QUANT_DC.len() as u8));
+ Ok(val)
+ }
+}
+
+fn decode_luma_intra(br: &mut BitReader, codes: &Bink2Codes, prev_cbp: u32, q: u8, dst: &mut [[[i32; 64]; 4]; 4], edge_state: u32, dcinfo: &mut YDCInfo, bx: usize) -> DecoderResult<u32> {
+ let cbp = decode_cbp_luma(br, prev_cbp, edge_state)?;
+ let _coded = dcinfo.decode_dcs(br, q)?;
+ dcinfo.predict(bx, (edge_state & 0x88) != 0, (edge_state & 0x20) != 0, 0, 0x7FF);
+ let dcs = &dcinfo.dcs;
+ for i in 0..4 {
+ decode_acs_4blocks(br, codes, &mut dst[i], BINK2_QUANT_INTRA_LUMA, q, cbp >> (i * 4))?;
+ for j in 0..4 { dst[i][j][0] = dcs[i * 4 + j] * 8 + 32; }
+ }
+ Ok(cbp)
+}
+
+fn decode_chroma_intra(br: &mut BitReader, codes: &Bink2Codes, prev_cbp: u32, q: u8, dst: &mut [[i32; 64]; 4], edge_state: u32, dcinfo: &mut CDCInfo, bx: usize) -> DecoderResult<u32> {
+ let cbp = decode_cbp_chroma(br, prev_cbp)?;
+ let _coded = dcinfo.decode_dcs(br, q)?;
+ dcinfo.predict(bx, (edge_state & 0x88) != 0, (edge_state & 0x20) != 0, 0, 0x7FF);
+ decode_acs_4blocks(br, codes, dst, BINK2_QUANT_INTRA_CHROMA, q, cbp)?;
+ let dcs = &dcinfo.dcs;
+ for i in 0..4 { dst[i][0] = dcs[i] * 8 + 32; }
+ Ok(cbp)
+}
+
+fn decode_luma_inter(br: &mut BitReader, codes: &Bink2Codes, prev_cbp: u32, q: u8, dst: &mut [[[i32; 64]; 4]; 4], edge_state: u32, dcinfo: &mut YDCInfo) -> DecoderResult<u32> {
+ let cbp = decode_cbp_luma(br, prev_cbp, edge_state)?;
+ let (min_dc, max_dc) = if (edge_state & 0x40000) != 0 { (-0x7FF, 0x7FF) } else { (-0x3FF, 0x3FF) };
+ let _coded = dcinfo.decode_dcs(br, q)?;
+ dcinfo.predict_inter(min_dc, max_dc);
+ let dcs = &dcinfo.dcs;
+ for i in 0..4 {
+ decode_acs_4blocks(br, codes, &mut dst[i], BINK2_QUANT_INTER, q, cbp >> (i * 4))?;
+ for j in 0..4 { dst[i][j][0] = dcs[i * 4 + j]; }
+ }
+ Ok(cbp)
+}
+
+fn decode_chroma_inter(br: &mut BitReader, codes: &Bink2Codes, prev_cbp: u32, q: u8, dst: &mut [[i32; 64]; 4], edge_state: u32, dcinfo: &mut CDCInfo) -> DecoderResult<u32> {
+ let cbp = decode_cbp_chroma(br, prev_cbp)?;
+ let (min_dc, max_dc) = if (edge_state & 0x40000) != 0 { (-0x7FF, 0x7FF) } else { (-0x3FF, 0x3FF) };
+ let _coded = dcinfo.decode_dcs(br, q)?;
+ dcinfo.predict_inter(min_dc, max_dc);
+ let dcs = &dcinfo.dcs;
+ decode_acs_4blocks(br, codes, dst, BINK2_QUANT_INTER, q, cbp)?;
+ for i in 0..4 { dst[i][0] = dcs[i]; }
+ Ok(cbp)
+}
+
+fn decode_cbp_luma(br: &mut BitReader, prev_cbp: u32, edge_state: u32) -> DecoderResult<u32> {
+ let cnt = (prev_cbp as u16).count_ones() as usize;
+ let (min_count, mask) = if cnt < 8 { (cnt, 0x0000) } else { (16 - cnt, 0xFFFF) };
+
+ let mut cbp;
+ if br.read_bool()? {
+ cbp = 0;
+ } else if min_count >= 4 {
+ cbp = br.read(16)?;
+ } else {
+ cbp = 0;
+ for i in 0..4 {
+ if !br.read_bool()? {
+ let cbp4 = br.read(4)?;
+ cbp |= cbp4 << (i * 4);
+ }
+ }
+ }
+ cbp ^= mask;
+ if ((edge_state & 0x40000) == 0) || (cbp != 0) {
+ if br.read_bool()? {
+ cbp |= cbp << 16;
+ }
+ }
+ Ok(cbp)
+}
+fn decode_cbp_chroma(br: &mut BitReader, last_cbp: u32) -> DecoderResult<u32> {
+ if br.read_bool()? {
+ Ok((last_cbp & 0xF0000) | BINK2_CHROMA_CBPS[(last_cbp & 0xF) as usize])
+ } else {
+ let ncbp = br.read(4)?;
+ if br.read_bool()? {
+ Ok(ncbp | (ncbp << 16))
+ } else {
+ Ok(ncbp)
+ }
+ }
+}
+
+trait ReadBink2Code {
+ fn read_bink2_code_zero(&mut self) -> DecoderResult<i32>;
+ fn read_bink2_code_nz(&mut self) -> DecoderResult<i32>;
+}
+
+impl<'a> ReadBink2Code for BitReader<'a> {
+ fn read_bink2_code_zero(&mut self) -> DecoderResult<i32> {
+ let pfx = self.read_code(UintCodeType::LimitedUnary(12, 0))? as i32;
+ if pfx > 0 {
+ let val: i32;
+ if pfx >= 4 {
+ let add_bits = self.read((pfx as u8) - 3)? as i32;
+ val = (1 << (pfx - 3)) + add_bits + 2;
+ } else {
+ val = pfx;
+ }
+ Ok(val)
+ } else {
+ Ok(0)
+ }
+ }
+ fn read_bink2_code_nz(&mut self) -> DecoderResult<i32> {
+ let pfx = self.read_code(UintCodeType::LimitedUnary(12, 0))? + 1;
+ let val: i32;
+ if pfx >= 4 {
+ let add_bits = self.read((pfx as u8) - 3)? as i32;
+ val = (1 << (pfx - 3)) + add_bits + 2;
+ } else {
+ val = pfx as i32;
+ }
+ if self.read_bool()? {
+ Ok(-val)
+ } else {
+ Ok(val)
+ }
+ }
+}
+
+fn decode_acs_4blocks(br: &mut BitReader, codes: &Bink2Codes, dst: &mut [[i32; 64]; 4], quant_mat: &[[i32; 64]; 4], q: u8, cbp: u32) -> DecoderResult<()> {
+ let cb = if (cbp >> 16) != 0 { &codes.ac_cb1 } else { &codes.ac_cb2 };
+ let qmat = &quant_mat[(q & 3) as usize];
+ let shift = q >> 2;
+ for blk_no in 0..4 {
+ if ((cbp >> blk_no) & 1) == 0 { continue; }
+ let mut esc_len = 0;
+ let mut idx = 1;
+ while idx < 64 {
+ if esc_len >= 1 {
+ esc_len -= 1;
+ } else {
+ let sym = br.read_cb(cb)?;
+ let skip;
+ if sym == 11 {
+ skip = br.read(6)? as usize;
+ } else {
+ skip = BINK2_AC_RUNS[sym as usize];
+ }
+ idx += skip;
+ if idx > 63 { break; }
+ esc_len = if sym == 13 { 6 } else { 0 };
+ }
+ let level = br.read_bink2_code_nz()?;
+ let pos = BINK2_ZIGZAG[idx];
+ dst[blk_no][pos] = (((level * qmat[pos]) << shift) + 0x40) >> 7;
+ idx += 1;
+ }
+// set blk info to (dc & 0x1FFF) | (intra ? 0x8000 : 0) | (((ncoded == 0) + (ncoded < 4) + (ncoded < 8)) << 13)
+ }
+ Ok(())
+}
+
+fn decode_luma_intra_old(br: &mut BitReader, codes: &Bink2Codes, prev_cbp: u32, dst: &mut [[[f32; 64]; 4]; 4], edge_state: u32, dcinfo: &mut YDCInfo, bx: usize, old_q: &mut u8) -> DecoderResult<u32> {
+ let cbp = decode_cbp_luma_old(br, prev_cbp)?;
+ let q = decode_quant_old(br, &codes.quant_cb, *old_q)?;
+ *old_q = q;
+ let is_top = (edge_state & 0x88) != 0;
+ let is_left = (edge_state & 0x20) != 0;
+ decode_dcs_old(br, &mut dcinfo.dc_buf, q, is_top && is_left)?;
+ dcinfo.predict(bx, is_top, is_left, 0, 0x7FF);
+ let dcs = &dcinfo.dcs;
+ for i in 0..4 {
+ decode_acs_4blocks_old(br, codes, &mut dst[i], BINK2_QMAT_INTRA_LUMA_OLD, q, cbp >> (i * 4), BINK2_LUMA_SCAN_OLD)?;
+ for j in 0..4 { dst[i][j][0] = (dcs[i * 4 + j] as f32) * 0.125; }
+ }
+ Ok(cbp)
+}
+
+fn decode_chroma_intra_old(br: &mut BitReader, codes: &Bink2Codes, prev_cbp: u32, dst: &mut [[f32; 64]; 4], edge_state: u32, dcinfo: &mut CDCInfo, bx: usize, old_q: &mut u8) -> DecoderResult<u32> {
+ let cbp = decode_cbp_chroma_old(br, prev_cbp)?;
+ let q = decode_quant_old(br, &codes.quant_cb, *old_q)?;
+ *old_q = q;
+ let is_top = (edge_state & 0x88) != 0;
+ let is_left = (edge_state & 0x20) != 0;
+ decode_dcs_old(br, &mut dcinfo.dc_buf, q, is_top && is_left)?;
+ dcinfo.predict(bx, is_top, is_left, 0, 0x7FF);
+ decode_acs_4blocks_old(br, codes, dst, BINK2_QMAT_CHROMA_OLD, q, cbp, BINK2_CHROMA_SCAN_OLD)?;
+ let dcs = &dcinfo.dcs;
+ for i in 0..4 { dst[i][0] = (dcs[i] as f32) * 0.125; }
+ Ok(cbp)
+}
+
+
+fn decode_luma_inter_old(br: &mut BitReader, codes: &Bink2Codes, prev_cbp: u32, dst: &mut [[[f32; 64]; 4]; 4], _edge_state: u32, dcinfo: &mut YDCInfo, old_q: &mut u8) -> DecoderResult<u32> {
+ let cbp = decode_cbp_luma_old(br, prev_cbp)?;
+ let q = decode_quant_old(br, &codes.quant_cb, *old_q)?;
+ *old_q = q;
+ decode_dcs_old(br, &mut dcinfo.dc_buf, q, false)?;
+ dcinfo.predict_inter(-1023, 1023);
+ let dcs = &dcinfo.dcs;
+ for i in 0..4 {
+ decode_acs_4blocks_old(br, codes, &mut dst[i], BINK2_QMAT_INTER_LUMA_OLD, q, cbp >> (i * 4), BINK2_LUMA_SCAN_OLD)?;
+ for j in 0..4 { dst[i][j][0] = (dcs[i * 4 + j] as f32) * 0.125; }
+ }
+ Ok(cbp)
+}
+
+fn decode_chroma_inter_old(br: &mut BitReader, codes: &Bink2Codes, prev_cbp: u32, dst: &mut [[f32; 64]; 4], _edge_state: u32, dcinfo: &mut CDCInfo, old_q: &mut u8) -> DecoderResult<u32> {
+ let cbp = decode_cbp_chroma_old(br, prev_cbp)?;
+ let q = decode_quant_old(br, &codes.quant_cb, *old_q)?;
+ *old_q = q;
+ decode_dcs_old(br, &mut dcinfo.dc_buf, q, false)?;
+ dcinfo.predict_inter(-1023, 1023);
+ let dcs = &dcinfo.dcs;
+ decode_acs_4blocks_old(br, codes, dst, BINK2_QMAT_CHROMA_OLD, q, cbp, BINK2_CHROMA_SCAN_OLD)?;
+ for i in 0..4 { dst[i][0] = (dcs[i] as f32) * 0.125; }
+ Ok(cbp)
+}
+
+fn decode_quant_old(br: &mut BitReader, quant_cb: &Codebook<u8>, prev_quant: u8) -> DecoderResult<u8> {
+ let diff = br.read_cb(quant_cb)?;
+ if diff == 0 {
+ Ok(prev_quant)
+ } else {
+ let res;
+ if br.read_bool()? {
+ res = prev_quant.checked_sub(diff);
+ } else {
+ res = prev_quant.checked_add(diff);
+ }
+ validate!(res.is_some());
+ let q = res.unwrap();
+ validate!(q < 16);
+ Ok(q)
+ }
+}
+
+fn decode_cbp_luma_old(br: &mut BitReader, prev_cbp: u32) -> DecoderResult<u32> {
+ let low;
+ if br.read_bool()? {
+ if br.read_bool()? {
+ return Ok(prev_cbp);
+ }
+ low = prev_cbp & 0xFFFF;
+ } else {
+ let mut nib1 = (prev_cbp >> 4) & 0xF;
+ if !br.read_bool()? {
+ nib1 = br.read(4)?;
+ }
+ let mut new_cbp = nib1;
+ if !br.read_bool()? {
+ nib1 = br.read(4)?;
+ }
+ new_cbp = new_cbp | (nib1 << 4);
+ if !br.read_bool()? {
+ nib1 = br.read(4)?;
+ }
+ new_cbp = new_cbp | (nib1 << 8);
+ if !br.read_bool()? {
+ nib1 = br.read(4)?;
+ }
+ low = new_cbp | (nib1 << 12);
+ }
+ let mut nib_hi = (prev_cbp >> 20) & 0xF;
+ let mut high = 0;
+ for i in 0..4 {
+ let nib = (low >> (4 * i)) & 0xF;
+ if nib.count_ones() == 0 {
+ nib_hi = 0;
+ } else if (nib.count_ones() == 1) || !br.read_bool()? {
+ nib_hi = 0;
+ for bit in 0..4 {
+ if (((nib >> bit) & 1) != 0) && br.read_bool()? {
+ nib_hi |= 1 << bit;
+ }
+ }
+ }
+ nib_hi &= nib;
+ high = (high >> 4) | (nib_hi << 28);
+ }
+ Ok(low | high)
+}
+
+fn decode_cbp_chroma_old(br: &mut BitReader, prev_cbp: u32) -> DecoderResult<u32> {
+ let low;
+ if !br.read_bool()? {
+ low = br.read(4)?;
+ } else {
+ if br.read_bool()? {
+ return Ok(prev_cbp);
+ }
+ low = prev_cbp & 0xF;
+ }
+ let mut high;
+ if low.count_ones() == 0 {
+ return Ok(low);
+ }
+ if low.count_ones() != 1 {
+ high = (prev_cbp >> 16) & low;
+ if br.read_bool()? {
+ return Ok((high << 16) | low);
+ }
+ }
+ high = 0;
+ for bit in 0..4 {
+ if (((low >> bit) & 1) != 0) && br.read_bool()? {
+ high |= 1 << bit;
+ }
+ }
+ Ok((high << 16) | low)
+}
+
+fn decode_dcs_old(br: &mut BitReader, dcs: &mut [i32], q: u8, read_bias: bool) -> DecoderResult<()> {
+ let mut bits = br.read(3)? as u8;
+ if bits == 7 {
+ bits += br.read(2)? as u8;
+ }
+ let scale = BINK2_OLD_DC_QUANTS[q as usize];
+ if bits == 0 {
+ for el in dcs.iter_mut() { *el = 0; }
+ } else {
+ for dcb in dcs.chunks_mut(4) {
+ for dc in dcb.iter_mut() {
+ *dc = br.read(bits)? as i32;
+ }
+ for dc in dcb.iter_mut() {
+ if *dc == 0 { continue; }
+ *dc *= scale;
+ if br.read_bool()? {
+ *dc = -*dc;
+ }
+ }
+ }
+ }
+ if read_bias {
+ let add_bits = BINK2_DC_EXTRA_BITS[q as usize] + bits;
+ if add_bits < 10 {
+ let pfx = br.read(10 - add_bits)? as i32;
+ let base_dc;
+ if pfx > 0 {
+ if br.read_bool()? {
+ base_dc = -(pfx << bits);
+ } else {
+ base_dc = pfx << bits;
+ }
+ } else {
+ base_dc = 0;
+ }
+ dcs[0] += base_dc * scale;
+ }
+ }
+ Ok(())
+}
+
+fn decode_acs_4blocks_old(br: &mut BitReader, codes: &Bink2Codes, dst: &mut [[f32; 64]; 4], quant_mat: &[f32; 64], q: u8, cbp: u32, scan: &[usize; 64]) -> DecoderResult<()> {
+ let quant = BINK2_OLD_QUANTS[q as usize];
+ for blk_no in 0..4 {
+ if ((cbp >> blk_no) & 1) == 0 { continue; }
+ let val_cb = if ((cbp >> (16 + blk_no)) & 1) != 0 { &codes.val_cb2 } else { &codes.val_cb1 };
+ let skip_cb = if ((cbp >> (16 + blk_no)) & 1) != 0 { &codes.skip_cb2 } else { &codes.skip_cb1 };
+ let mut esc_len = 0;
+ let mut idx = 1;
+ while idx < 64 {
+ let val = br.read_cb(val_cb)?;
+ if val != 0 {
+ let mut level;
+ if val >= 4 {
+ let add_bits = br.read(val - 3)? as i32;
+ level = (1 << (val - 3)) + add_bits + 2;
+ } else {
+ level = val as i32;
+ }
+ if br.read_bool()? {
+ level = -level;
+ }
+ let pos = scan[idx];
+ dst[blk_no][pos] = (level as f32) * quant_mat[idx] * quant;
+ }
+ idx += 1;
+ if idx >= 64 { break; }
+ if esc_len >= 1 {
+ esc_len -= 1;
+ } else {
+ let sym = br.read_cb(skip_cb)?;
+ let skip;
+ if sym == 11 {
+ skip = br.read(6)? as usize;
+ } else {
+ skip = BINK2_AC_RUNS[sym as usize];
+ }
+ idx += skip;
+ if idx > 63 { break; }
+ esc_len = if sym == 13 { 6 } else { 0 };
+ }
+ }
+ }
+ Ok(())
+}
+
+impl NADecoder for Bink2Decoder {
+ fn init(&mut self, info: Rc<NACodecInfo>) -> DecoderResult<()> {
+ if let NACodecTypeInfo::Video(vinfo) = info.get_properties() {
+ let w = vinfo.get_width();
+ let h = vinfo.get_height();
+
+ let edata = info.get_extradata().unwrap();
+ validate!(edata.len() >= 8);
+
+ let mut mr = MemoryReader::new_read(&edata);
+ let mut br = ByteReader::new(&mut mr);
+ let magic = br.read_u32be()?;
+ let _flags = br.read_u32le()?;
+
+ self.version = magic;
+
+ let fmt;
+ fmt = NAPixelFormaton::new(ColorModel::YUV(YUVSubmodel::YUVJ),
+ Some(NAPixelChromaton::new(0, 0, false, 8, 0, 0, 1)),
+ Some(NAPixelChromaton::new(1, 1, false, 8, 0, 1, 1)),
+ Some(NAPixelChromaton::new(1, 1, false, 8, 0, 2, 1)),
+ None, None,
+ 0, 3);
+ let myinfo = NACodecTypeInfo::Video(NAVideoInfo::new(w, h, false, fmt));
+ self.info = Rc::new(NACodecInfo::new_ref(info.get_name(), myinfo, info.get_extradata()));
+
+ Ok(())
+ } else {
+ Err(DecoderError::InvalidData)
+ }
+ }
+ fn decode(&mut self, pkt: &NAPacket) -> DecoderResult<NAFrameRef> {
+ let src = pkt.get_buffer();
+
+ let mut br = BitReader::new(&src, src.len(), BitReaderMode::LE);
+
+ let mut buf;
+ self.key_frame = pkt.is_keyframe();
+
+ let bufret = alloc_video_buffer(self.info.get_properties().get_video_info().unwrap(), 4);
+ if let Err(_) = bufret { return Err(DecoderError::InvalidData); }
+ let bufinfo = bufret.unwrap();
+ buf = bufinfo.get_vbuf().unwrap();
+
+ self.decode_frame_new(&mut br, &mut buf, pkt.is_keyframe())?;
+ let bufinfo = NABufferType::Video(buf);
+ self.ips.add_frame(bufinfo.get_vbuf().unwrap());
+
+ let mut frm = NAFrame::new_from_pkt(pkt, self.info.clone(), bufinfo);
+ frm.set_frame_type(if self.key_frame { FrameType::I } else { FrameType::P });
+ Ok(Rc::new(RefCell::new(frm)))
+ }
+}