From: Kostya Shishkov Date: Wed, 30 Oct 2019 17:33:39 +0000 (+0100) Subject: VP7 decoder X-Git-Url: https://git.nihav.org/?a=commitdiff_plain;ds=sidebyside;h=587a6d789be865f24bd31ef65aabf1b9d5809965;hp=1333465786c9d2746030a1024e5ceb2ea1a77be5;p=nihav.git VP7 decoder --- diff --git a/nihav-duck/Cargo.toml b/nihav-duck/Cargo.toml index bae08cf..4f56963 100644 --- a/nihav-duck/Cargo.toml +++ b/nihav-duck/Cargo.toml @@ -14,7 +14,7 @@ nihav_commonfmt = { path = "../nihav-commonfmt" } [features] default = ["all_decoders"] -all_decoders = ["decoder_truemotion1", "decoder_truemotionrt", "decoder_dk3_adpcm", "decoder_dk4_adpcm", "decoder_truemotion2", "decoder_truemotion2x", "decoder_vp3", "decoder_vp4", "decoder_vp5", "decoder_vp6", "decoder_on2avc"]#, "decoder_vp7"] +all_decoders = ["decoder_truemotion1", "decoder_truemotionrt", "decoder_dk3_adpcm", "decoder_dk4_adpcm", "decoder_truemotion2", "decoder_truemotion2x", "decoder_vp3", "decoder_vp4", "decoder_vp5", "decoder_vp6", "decoder_on2avc", "decoder_vp7"] decoders = [] decoder_truemotion1 = ["decoders"] diff --git a/nihav-duck/src/codecs/mod.rs b/nihav-duck/src/codecs/mod.rs index 656be0a..40e7a5f 100644 --- a/nihav-duck/src/codecs/mod.rs +++ b/nihav-duck/src/codecs/mod.rs @@ -25,6 +25,10 @@ mod vp5; mod vp6; #[cfg(feature="decoder_vp7")] mod vp7; +#[cfg(feature="decoder_vp7")] +mod vp7data; +#[cfg(feature="decoder_vp7")] +mod vp7dsp; #[cfg(any(feature="decoder_dk3_adpcm", feature="decoder_dk4_adpcm"))] mod dkadpcm; diff --git a/nihav-duck/src/codecs/vp7.rs b/nihav-duck/src/codecs/vp7.rs new file mode 100644 index 0000000..ccdb5dd --- /dev/null +++ b/nihav-duck/src/codecs/vp7.rs @@ -0,0 +1,1513 @@ +use nihav_core::codecs::*; +use nihav_core::io::byteio::*; +use nihav_core::data::GenericCache; +use super::vpcommon::*; +use super::vp7data::*; +use super::vp7dsp::*; + +enum VPTreeDef { + Index(u8), + Value(T), +} + +trait VPTreeReader { + fn read_tree(&mut self, tree_def: &[VPTreeDef], tree_prob: &[u8]) -> T; +} + +impl<'a> VPTreeReader for BoolCoder<'a> { + fn read_tree(&mut self, tree_def: &[VPTreeDef], tree_prob: &[u8]) -> T { + let mut idx = 0; + + loop { + let bit = self.read_prob(tree_prob[idx >> 1]); + match tree_def[idx + (bit as usize)] { + VPTreeDef::Value(v) => return v, + VPTreeDef::Index(ix) => { idx = ix as usize; }, + }; + } + } +} + +#[repr(u8)] +#[derive(Clone,Copy,PartialEq,Debug)] +enum PredMode { + DCPred, + HPred, + VPred, + TMPred, + BPred, + + //sub-block prediction modes + LDPred, + RDPred, + VRPred, + VLPred, + HDPred, + HUPred, + + Inter, +} + +impl Default for PredMode { + fn default() -> Self { PredMode::DCPred } +} + +impl PredMode { + fn to_b_mode(self) -> Self { + if self == PredMode::DCPred { + self + } else { + PredMode::TMPred + } + } + fn to_b_index(self) -> usize { + match self { + PredMode::DCPred => 0, + PredMode::TMPred => 1, + PredMode::VPred => 2, + PredMode::HPred => 3, + PredMode::LDPred => 4, + PredMode::RDPred => 5, + PredMode::VRPred => 6, + PredMode::VLPred => 7, + PredMode::HDPred => 8, + PredMode::HUPred => 9, + _ => unreachable!(), + } + } +} + +const PITCH_MODE_NORMAL: u8 = 0; +const PITCH_MODE_FOUR: u8 = 1; +const PITCH_MODE_X2: u8 = 2; +const PITCH_MODE_X4: u8 = 3; + +#[derive(Clone,Copy,Default)] +struct MBFeature { + present_prob: u8, + tree_probs: [u8; 3], + def_val: [u8; 4], +} + +#[derive(Clone,Copy,PartialEq)] +enum DCTToken { + Zero, + One, + Two, + Three, + Four, + Cat1, + Cat2, + Cat3, + Cat4, + Cat5, + Cat6, + EOB, +} + +fn expand_token(bc: &mut BoolCoder, token: DCTToken) -> i16 { + let cat; + match token { + DCTToken::Zero => return 0, + DCTToken::One => return if bc.read_bool() { -1 } else { 1 }, + DCTToken::Two => return if bc.read_bool() { -2 } else { 2 }, + DCTToken::Three => return if bc.read_bool() { -3 } else { 3 }, + DCTToken::Four => return if bc.read_bool() { -4 } else { 4 }, + DCTToken::Cat1 => cat = 0, + DCTToken::Cat2 => cat = 1, + DCTToken::Cat3 => cat = 2, + DCTToken::Cat4 => cat = 3, + DCTToken::Cat5 => cat = 4, + DCTToken::Cat6 => cat = 5, + _ => unreachable!(), + }; + let mut add = 0i16; + let add_probs = &VP56_COEF_ADD_PROBS[cat]; + for prob in add_probs.iter() { + if *prob == 128 { break; } + add = (add << 1) | (bc.read_prob(*prob) as i16); + } + let sign = bc.read_bool(); + let level = VP56_COEF_BASE[cat] + add; + if !sign { + level + } else { + -level + } +} + +struct SBParams<'a> { + coef_probs: &'a [[[[u8; 11]; 3]; 8]; 4], + scan: &'a [usize; 16], + qmat: &'a [i16; 16], +} + +fn decode_subblock<'a>(bc: &mut BoolCoder, coeffs: &mut [i16; 16], ctype: usize, pctx: u8, sbparams: &SBParams) -> u8 { + const COEF_BANDS: [usize; 16] = [ 0, 1, 2, 3, 6, 4, 5, 6, 6, 6, 6, 6, 6, 6, 6, 7 ]; + + let mut has_nz = 0; + let start = if ctype != 0 { 0 } else { 1 }; + *coeffs = [0; 16]; + let mut cval = pctx as usize; + for idx in start..16 { + let probs = &sbparams.coef_probs[ctype][COEF_BANDS[idx]][cval]; + let tok = bc.read_tree(COEF_TREE, probs); + if tok == DCTToken::EOB { break; } + let level = expand_token(bc, tok); + coeffs[sbparams.scan[idx]] = level.wrapping_mul(sbparams.qmat[idx]); + cval = level.abs().min(2) as usize; + has_nz |= cval; + } + if has_nz > 0 { 1 } else { 0 } +} + +#[derive(Clone,Copy,Default)] +struct MBInfo { + mb_type: VPMBType, + ymode: PredMode, + uvmode: PredMode, + loop_str: u8, + upd_gf: bool, +} + +#[derive(Default)] +struct DecoderState { + features: [Option; 4], + + fading: bool, + fade_alpha: u16, + fade_beta: u16, + + lf_simple: bool, + loop_filter_level: u8, + loop_sharpness: u8, + + is_intra: bool, + version: u8, + + kf_ymode_prob: [u8; 4], + kf_uvmode_prob: [u8; 3], + + prob_intra_pred: u8, + prob_last_pred: u8, + + coef_probs: [[[[u8; 11]; 3]; 8]; 4], + mv_probs: [[u8; 17]; 2], + + force_quant: Option, + force_loop_str: Option, + force_gf_update: bool, + force_pitch: Option, + + has_y2: bool, + pdc_pred_val: i16, + pdc_pred_count: usize, + + ipred_ctx_y: IPredContext, + ipred_ctx_u: IPredContext, + ipred_ctx_v: IPredContext, +} + +impl DecoderState { + fn reset(&mut self) { + self.kf_ymode_prob.copy_from_slice(Y_MODE_TREE_PROBS); + self.kf_uvmode_prob.copy_from_slice(UV_MODE_TREE_PROBS); + self.coef_probs.copy_from_slice(&DEFAULT_DCT_PROBS); + self.mv_probs.copy_from_slice(&DEFAULT_MV_PROBS); + } +} + +#[derive(Clone,Copy,Debug,PartialEq)] +enum MVSplitMode { + TopBottom, + LeftRight, + Quarters, + Sixteenths, +} + +#[derive(Clone,Copy,Debug,PartialEq)] +enum SubMVRef { + Left, + Above, + New, + Zero, +} + +fn decode_mv_component(bc: &mut BoolCoder, probs: &[u8; 17]) -> i16 { + const LONG_VECTOR_ORDER: [usize; 7] = [ 0, 1, 2, 7, 6, 5, 4 ]; + + let val = if !bc.read_prob(probs[0]) { + bc.read_tree(SMALL_MV_TREE, &probs[2..9]) + } else { + let raw_probs = &probs[9..]; + let mut raw = 0; + for ord in LONG_VECTOR_ORDER.iter() { + raw |= (bc.read_prob(raw_probs[*ord]) as i16) << *ord; + } + if (raw & 0xF0) != 0 { + raw |= (bc.read_prob(raw_probs[3]) as i16) << 3; + } else { + raw |= 1 << 3; + } + raw + }; + if (val == 0) || !bc.read_prob(probs[1]) { + val + } else { + -val + } +} + +struct PredCache { + y_pred: GenericCache, + u_pred: GenericCache, + v_pred: GenericCache, + y2_pred: GenericCache, + y_pred_left: [u8; 4], + u_pred_left: [u8; 2], + v_pred_left: [u8; 2], + y2_pred_left: u8, +} + +impl PredCache { + fn new() -> Self { + Self { + y_pred: GenericCache::new(1, 1, 0), + u_pred: GenericCache::new(1, 1, 0), + v_pred: GenericCache::new(1, 1, 0), + y2_pred: GenericCache::new(1, 1, 0), + y_pred_left: [0; 4], + u_pred_left: [0; 2], + v_pred_left: [0; 2], + y2_pred_left: 0, + } + } + fn resize(&mut self, mb_w: usize) { + self.y_pred = GenericCache::new(4, mb_w * 4 + 1, 0); + self.u_pred = GenericCache::new(2, mb_w * 2 + 1, 0); + self.v_pred = GenericCache::new(2, mb_w * 2 + 1, 0); + self.y2_pred = GenericCache::new(1, mb_w + 1, 0); + } + fn reset(&mut self) { + self.y_pred.reset(); + self.u_pred.reset(); + self.v_pred.reset(); + self.y2_pred.reset(); + self.y_pred_left = [0; 4]; + self.u_pred_left = [0; 2]; + self.v_pred_left = [0; 2]; + self.y2_pred_left = 0; + } + fn update_row(&mut self) { + self.y_pred.update_row(); + self.u_pred.update_row(); + self.v_pred.update_row(); + self.y2_pred.update_row(); + } +} + +struct VP7Decoder { + info: NACodecInfoRef, + + shuf: VPShuffler, + width: usize, + height: usize, + mb_w: usize, + mb_h: usize, + mb_info: Vec, + mvs: Vec, + mv_stride: usize, + + ymodes: Vec, + ymode_stride: usize, + uvmodes: Vec, + uvmode_stride: usize, + + dstate: DecoderState, + pcache: PredCache, + + coeffs: [[i16; 16]; 25], + scan: [usize; 16], + qmat: [[[i16; 16]; 3]; 5], + + mc_buf: NAVideoBufferRef, + + tmp_scan: [usize; 16], +} + +impl VP7Decoder { + fn new() -> Self { + let vt = alloc_video_buffer(NAVideoInfo::new(128, 128, false, YUV420_FORMAT), 4).unwrap(); + let mut scan = [0; 16]; + scan.copy_from_slice(&DEFAULT_SCAN_ORDER); + let mc_buf = vt.get_vbuf().unwrap(); + Self { + info: NACodecInfoRef::default(), + + shuf: VPShuffler::new(), + width: 0, + height: 0, + mb_w: 0, + mb_h: 0, + mb_info: Vec::new(), + mvs: Vec::new(), + mv_stride: 0, + + ymodes: Vec::new(), + ymode_stride: 0, + uvmodes: Vec::new(), + uvmode_stride: 0, + + dstate: DecoderState::default(), + pcache: PredCache::new(), + + coeffs: [[0; 16]; 25], + scan, + tmp_scan: [0; 16], + qmat: [[[0; 16]; 3]; 5], + + mc_buf, + } + } + fn set_dimensions(&mut self, width: usize, height: usize) { + if (width == self.width) && (height == self.height) { + return; + } + self.width = width; + self.height = height; + self.mb_w = (self.width + 15) >> 4; + self.mb_h = (self.height + 15) >> 4; + self.mb_info.resize(self.mb_w * self.mb_h, MBInfo::default()); + self.mv_stride = self.mb_w * 4; + self.mvs.resize(self.mv_stride * self.mb_h * 4, ZERO_MV); + + self.ymode_stride = self.mb_w * 4; + self.uvmode_stride = self.mb_w; + self.ymodes.resize(self.ymode_stride * self.mb_h * 4, PredMode::default()); + self.uvmodes.resize(self.uvmode_stride * self.mb_h, PredMode::default()); + + self.pcache.resize(self.mb_w); + } + fn read_features(&mut self, bc: &mut BoolCoder) -> DecoderResult<()> { + for (i, feat) in self.dstate.features.iter_mut().enumerate() { + if bc.read_bool() { + let mut feature = MBFeature::default(); + feature.present_prob = bc.read_byte(); + for tp in feature.tree_probs.iter_mut() { + if bc.read_bool() { + *tp = bc.read_byte(); + } else { + *tp = 255; + } + } + if i != 2 { + let fbits = match i { + 0 => 7, + 1 => 6, + _ => if self.dstate.version == 0 { 8 } else { 5 }, + }; + for dval in feature.def_val.iter_mut() { + if bc.read_bool() { + *dval = bc.read_bits(fbits) as u8; + } else { + *dval = 0; + } + } + } + *feat = Some(feature); + } else { + *feat = None; + } + } + Ok(()) + } + fn read_dct_coef_prob_upd(&mut self, bc: &mut BoolCoder) -> DecoderResult<()> { + for i in 0..4 { + for j in 0..8 { + for k in 0..3 { + for l in 0..11 { + if bc.read_prob(DCT_UPDATE_PROBS[i][j][k][l]) { + self.dstate.coef_probs[i][j][k][l] = bc.read_byte(); + } + } + } + } + } + Ok(()) + } + fn read_mv_prob_upd(&mut self, bc: &mut BoolCoder) -> DecoderResult<()> { + for comp in 0..2 { + for i in 0..17 { + if bc.read_prob(MV_UPDATE_PROBS[comp][i]) { + self.dstate.mv_probs[comp][i] = bc.read_probability(); + } + } + } + Ok(()) + } + fn decode_mb_features(&mut self, bc: &mut BoolCoder, _mb_x: usize, _mb_y: usize) -> DecoderResult<()> { + self.dstate.force_quant = None; + self.dstate.force_loop_str = None; + self.dstate.force_gf_update = false; + self.dstate.force_pitch = None; + for (i, feat) in self.dstate.features.iter().enumerate() { + if let Some(feat) = feat { + let present = bc.read_prob(feat.present_prob); + if present { + let ftype_idx = bc.read_tree(FEATURE_TREE, &feat.tree_probs); + let val = feat.def_val[ftype_idx]; + match i { + 0 => self.dstate.force_quant = Some(ftype_idx as u8), + 1 => self.dstate.force_loop_str = Some(val), + 2 => self.dstate.force_gf_update = true, + _ => self.dstate.force_pitch = Some(val), + }; + } + } + } + Ok(()) + } + fn decode_residue(&mut self, bc: &mut BoolCoder, mb_x: usize, mb_idx: usize) { + let qmat_idx = if let Some(idx) = self.dstate.force_quant { (idx as usize) + 1 } else { 0 }; + let mut sbparams = SBParams { + scan: &DEFAULT_SCAN_ORDER, + qmat: &self.qmat[qmat_idx][2], + coef_probs: &self.dstate.coef_probs, + }; + let mut has_ac = [false; 25]; + let ytype; + if self.dstate.has_y2 { + let pred = &self.pcache.y2_pred; + let pidx = pred.xpos + mb_x; + let pctx = self.pcache.y2_pred_left + pred.data[pidx - pred.stride]; + + let has_nz = decode_subblock(bc, &mut self.coeffs[24], 1, pctx, &sbparams); + self.pcache.y2_pred.data[pidx] = has_nz; + self.pcache.y2_pred_left = has_nz; + has_ac[24] = has_nz > 0; + + ytype = 0; + } else { + let pred = &mut self.pcache.y2_pred; + let pidx = pred.xpos + mb_x; + pred.data[pidx] = pred.data[pidx - pred.stride]; + + ytype = 3; + } + sbparams.scan = &self.scan; + sbparams.qmat = &self.qmat[qmat_idx][0]; + for i in 0..16 { + let bx = i & 3; + let by = i >> 2; + let pred = &self.pcache.y_pred; + let pidx = pred.xpos + mb_x * 4 + bx + by * pred.stride; + let pctx = self.pcache.y_pred_left[by] + pred.data[pidx - pred.stride]; + + let has_nz = decode_subblock(bc, &mut self.coeffs[i], ytype, pctx, &sbparams); + self.pcache.y_pred.data[pidx] = has_nz; + self.pcache.y_pred_left[by] = has_nz; + has_ac[i] = has_nz > 0; + } + sbparams.qmat = &self.qmat[qmat_idx][1]; + for i in 16..20 { + let bx = i & 1; + let by = (i >> 1) & 1; + let pred = &self.pcache.u_pred; + let pidx = pred.xpos + mb_x * 2 + bx + by * pred.stride; + let pctx = self.pcache.u_pred_left[by] + pred.data[pidx - pred.stride]; + + let has_nz = decode_subblock(bc, &mut self.coeffs[i], 2, pctx, &sbparams); + self.pcache.u_pred.data[pidx] = has_nz; + self.pcache.u_pred_left[by] = has_nz; + has_ac[i] = has_nz > 0; + } + for i in 20..24 { + let bx = i & 1; + let by = (i >> 1) & 1; + let pred = &self.pcache.v_pred; + let pidx = pred.xpos + mb_x * 2 + bx + by * pred.stride; + let pctx = self.pcache.v_pred_left[by] + pred.data[pidx - pred.stride]; + + let has_nz = decode_subblock(bc, &mut self.coeffs[i], 2, pctx, &sbparams); + self.pcache.v_pred.data[pidx] = has_nz; + self.pcache.v_pred_left[by] = has_nz; + has_ac[i] = has_nz > 0; + } + + if self.dstate.has_y2 { + let y2block = &mut self.coeffs[24]; + if self.mb_info[mb_idx].mb_type != VPMBType::Intra { + let mut dc = y2block[0]; + let pval = self.dstate.pdc_pred_val; + if self.dstate.pdc_pred_count > 3 { + dc += pval; + y2block[0] = dc; + } + if (pval == 0) || (dc == 0) || ((pval ^ dc) < 0) { + self.dstate.pdc_pred_val = dc; + self.dstate.pdc_pred_count = 0; + } else if dc == pval { + self.dstate.pdc_pred_count += 1; + } + } + if has_ac[24] { + idct4x4(y2block); + } else { + idct4x4_dc(y2block); + } + for i in 0..16 { + self.coeffs[i][0] = self.coeffs[24][i]; + } + } + for i in 0..24 { + if has_ac[i] { + idct4x4(&mut self.coeffs[i]); + } else { + idct4x4_dc(&mut self.coeffs[i]); + } + } + } + + fn set_qmat(&mut self, y_dc_q: usize, y_ac_q: usize, y2_dc_q: usize, y2_ac_q: usize, uv_dc_q: usize, uv_ac_q: usize) { + self.qmat[0][0][0] = Y_DC_QUANTS[y_dc_q]; + for i in 1..16 { + self.qmat[0][0][i] = Y_AC_QUANTS[y_ac_q]; + } + self.qmat[0][1][0] = UV_DC_QUANTS[uv_dc_q]; + for i in 1..16 { + self.qmat[0][1][i] = UV_AC_QUANTS[uv_ac_q]; + } + self.qmat[0][2][0] = Y2_DC_QUANTS[y2_dc_q]; + for i in 1..16 { + self.qmat[0][2][i] = Y2_AC_QUANTS[y2_ac_q]; + } + if let Some(ref feat) = self.dstate.features[0] { + for j in 0..4 { + let q = feat.def_val[j] as usize; + self.qmat[j + 1][0][0] = Y_DC_QUANTS[q]; + for i in 1..16 { + self.qmat[j + 1][0][i] = Y_AC_QUANTS[q]; + } + self.qmat[j + 1][1][0] = UV_DC_QUANTS[q]; + for i in 1..16 { + self.qmat[j + 1][1][i] = UV_AC_QUANTS[q]; + } + self.qmat[j + 1][2][0] = Y2_DC_QUANTS[q]; + for i in 1..16 { + self.qmat[j + 1][2][i] = Y2_AC_QUANTS[q]; + } + } + } + } + fn fill_ymode(&mut self, mb_x: usize, mb_y: usize, ymode: PredMode) { + let mut iidx = mb_x * 4 + mb_y * 4 * self.ymode_stride; + for _ in 0..4 { + for x in 0..4 { + self.ymodes[iidx + x] = ymode; + } + iidx += self.ymode_stride; + } + } + fn fill_mv(&mut self, mb_x: usize, mb_y: usize, mv: MV) { + let mut iidx = mb_x * 4 + mb_y * 4 * self.mv_stride; + for _ in 0..4 { + for x in 0..4 { + self.mvs[iidx + x] = mv; + } + iidx += self.mb_w * 4; + } + } + fn find_mv_pred(&self, mb_x: usize, mb_y: usize) -> ([u8; 4], MV, MV, MV) { + const CAND_POS: [(i8, i8, u8, u8); 12] = [ + (-1, 0, 8, 12), ( 0, -1, 8, 3), + (-1, -1, 2, 15), (-1, 1, 2, 12), + (-2, 0, 2, 12), ( 0, -2, 2, 3), + (-1, -2, 1, 15), (-2, -1, 1, 15), + (-2, 1, 1, 12), (-1, 2, 1, 12), + (-2, -2, 1, 15), (-2, 2, 1, 12) + ]; + + let mut nearest_mv = ZERO_MV; + let mut near_mv = ZERO_MV; + + let mut ct: [u8; 4] = [0; 4]; + + let start = if self.dstate.version == 0 { 1 } else { 0 }; + let mvwrap = (self.mb_w as isize) + 1; + for (yoff, xoff, weight, blk_no) in CAND_POS.iter() { + let cx = (mb_x as isize) + (*xoff as isize); + let cy = (mb_y as isize) + (*yoff as isize); + let mvpos = cx + cy * mvwrap; + if (mvpos < start) || ((mvpos % mvwrap) == (mvwrap - 1)) { + ct[0] += weight; + continue; + } + let cx = (mvpos % mvwrap) as usize; + let cy = (mvpos / mvwrap) as usize; + let bx = (*blk_no as usize) & 3; + let by = (*blk_no as usize) >> 2; + let blk_pos = cx * 4 + bx + (cy * 4 + by) * self.mv_stride; + let mv = self.mvs[blk_pos]; + if mv == ZERO_MV { + ct[0] += weight; + continue; + } + let idx; + if (nearest_mv == ZERO_MV) || (nearest_mv == mv) { + nearest_mv = mv; + idx = 1; + } else if near_mv == ZERO_MV { + near_mv = mv; + idx = 2; + } else { + idx = if mv == near_mv { 2 } else { 3 }; + } + ct[idx] += weight; + } + let pred_mv = if ct[1] > ct[2] { + if ct[1] >= ct[0] { nearest_mv } else { ZERO_MV } + } else { + if ct[2] >= ct[0] { near_mv } else { ZERO_MV } + }; + + let mvprobs = [INTER_MODE_PROBS[ct[0] as usize][0], + INTER_MODE_PROBS[ct[1] as usize][1], + INTER_MODE_PROBS[ct[2] as usize][2], + INTER_MODE_PROBS[ct[2] as usize][3]]; + + (mvprobs, nearest_mv, near_mv, pred_mv) + } + fn get_split_mv(&self, bc: &mut BoolCoder, mb_x: usize, mb_y: usize, bx: usize, by: usize, pred_mv: MV) -> MV { + let mode = bc.read_tree(SUB_MV_REF_TREE, &SUB_MV_REF_PROBS); + let mvidx = mb_x * 4 + bx + (mb_y * 4 + by) * self.mv_stride; + match mode { + SubMVRef::Left => { + if (mb_x > 0) || (bx > 0) { + self.mvs[mvidx - 1] + } else { + ZERO_MV + } + }, + SubMVRef::Above => { + if (mb_y > 0) || (by > 0) { + self.mvs[mvidx - self.mv_stride] + } else { + ZERO_MV + } + }, + SubMVRef::Zero => ZERO_MV, + SubMVRef::New => { + let dmy = decode_mv_component(bc, &self.dstate.mv_probs[0]); + let dmx = decode_mv_component(bc, &self.dstate.mv_probs[1]); + pred_mv + MV{ x: dmx, y: dmy } + }, + } + } + fn do_split_mv(&mut self, bc: &mut BoolCoder, mb_x: usize, mb_y: usize, pred_mv: MV) -> DecoderResult<()> { + let split_mode = bc.read_tree(MV_SPLIT_MODE_TREE, &MV_SPLIT_MODE_PROBS); + let mut mvidx = mb_x * 4 + mb_y * 4 * self.mv_stride; + match split_mode { + MVSplitMode::TopBottom => { + let top_mv = self.get_split_mv(bc, mb_x, mb_y, 0, 0, pred_mv); + for _ in 0..2 { + for x in 0..4 { self.mvs[mvidx + x] = top_mv; } + mvidx += self.mv_stride; + } + let bot_mv = self.get_split_mv(bc, mb_x, mb_y, 0, 2, pred_mv); + for _ in 2..4 { + for x in 0..4 { self.mvs[mvidx + x] = bot_mv; } + mvidx += self.mv_stride; + } + }, + MVSplitMode::LeftRight => { + let left_mv = self.get_split_mv(bc, mb_x, mb_y, 0, 0, pred_mv); + self.mvs[mvidx + 1] = left_mv; + let right_mv = self.get_split_mv(bc, mb_x, mb_y, 2, 0, pred_mv); + for _ in 0..4 { + self.mvs[mvidx + 0] = left_mv; + self.mvs[mvidx + 1] = left_mv; + self.mvs[mvidx + 2] = right_mv; + self.mvs[mvidx + 3] = right_mv; + mvidx += self.mv_stride; + } + }, + MVSplitMode::Quarters => { + for y in (0..4).step_by(2) { + for x in (0..4).step_by(2) { + self.mvs[mvidx + x] = self.get_split_mv(bc, mb_x, mb_y, x, y, pred_mv); + self.mvs[mvidx + x + 1] = self.mvs[mvidx + x]; + } + for x in 0..4 { + self.mvs[mvidx + x + self.mv_stride] = self.mvs[mvidx + x]; + } + mvidx += self.mv_stride * 2; + } + }, + MVSplitMode::Sixteenths => { + for y in 0..4 { + for x in 0..4 { + self.mvs[mvidx + x] = self.get_split_mv(bc, mb_x, mb_y, x, y, pred_mv); + } + mvidx += self.mv_stride; + } + }, + }; + Ok(()) + } + + fn add_residue(&self, dframe: &mut NASimpleVideoFrame, mb_x: usize, mb_y: usize, do_luma: bool, pitch_mode: u8) { + if do_luma { + let ydst = &mut dframe.data[dframe.offset[0]..]; + let ystride = dframe.stride[0]; + let mut yoff = mb_x * 16 + mb_y * 16 * ystride; + match pitch_mode { + PITCH_MODE_NORMAL => { + for y in 0..4 { + for x in 0..4 { + add_coeffs4x4(ydst, yoff + x * 4, ystride, &self.coeffs[x + y * 4]); + } + yoff += 4 * ystride; + } + }, + PITCH_MODE_FOUR => { + for y in 0..16 { + add_coeffs16x1(ydst, yoff, &self.coeffs[y]); + yoff += ystride; + } + }, + PITCH_MODE_X2 => { + for y in 0..2 { + for x in 0..4 { + add_coeffs4x4(ydst, yoff + x * 4, ystride * 2, &self.coeffs[x + y * 4]); + } + yoff += 8 * ystride; + } + yoff -= 15 * ystride; + for y in 2..4 { + for x in 0..4 { + add_coeffs4x4(ydst, yoff + x * 4, ystride * 2, &self.coeffs[x + y * 4]); + } + yoff += 8 * ystride; + } + }, + PITCH_MODE_X4 => { + for y in 0..4 { + for x in 0..4 { + add_coeffs4x4(ydst, yoff + x * 4, ystride * 4, &self.coeffs[x + y * 4]); + } + yoff += ystride; + } + }, + _ => unreachable!(), + }; + } + let dst = &mut dframe.data[0..]; + let mut uoff = dframe.offset[1] + mb_x * 8 + mb_y * 8 * dframe.stride[1]; + let ustride = dframe.stride[1]; + let mut voff = dframe.offset[2] + mb_x * 8 + mb_y * 8 * dframe.stride[2]; + let vstride = dframe.stride[2]; + if (pitch_mode == PITCH_MODE_NORMAL) || (pitch_mode == PITCH_MODE_FOUR) { + for y in 0..2 { + for x in 0..2 { + add_coeffs4x4(dst, uoff + x * 4, ustride, &self.coeffs[16 + x + y * 2]); + add_coeffs4x4(dst, voff + x * 4, vstride, &self.coeffs[20 + x + y * 2]); + } + uoff += ustride * 4; + voff += vstride * 4; + } + } else { + for y in 0..2 { + for x in 0..2 { + add_coeffs4x4(dst, uoff + x * 4, ustride * 2, &self.coeffs[16 + x + y * 2]); + add_coeffs4x4(dst, voff + x * 4, vstride * 2, &self.coeffs[20 + x + y * 2]); + } + uoff += ustride; + voff += vstride; + } + } + } + fn recon_intra_mb(&mut self, dframe: &mut NASimpleVideoFrame, mb_x: usize, mb_y: usize) -> DecoderResult<()> { + let pitch = self.dstate.force_pitch.unwrap_or(0); + let pitch_mode = (pitch >> 3) & 3; + + let mb_idx = mb_x + mb_y * self.mb_w; + let has_top = mb_y > 0; + let has_left = mb_x > 0; + let ydst = &mut dframe.data[dframe.offset[0]..]; + let ystride = dframe.stride[0]; + let mut yoff = mb_x * 16 + mb_y * 16 * ystride; + let ipred_ctx_y = &mut self.dstate.ipred_ctx_y; + ipred_ctx_y.has_top = has_top; + ipred_ctx_y.has_left = has_left; + let is_normal = self.mb_info[mb_idx].ymode != PredMode::BPred; + if is_normal { + ipred_ctx_y.fill(ydst, yoff, ystride, 16, 16); + match self.mb_info[mb_idx].ymode { + PredMode::DCPred => IPred16x16::ipred_dc(ydst, yoff, ystride, ipred_ctx_y), + PredMode::HPred => IPred16x16::ipred_h (ydst, yoff, ystride, ipred_ctx_y), + PredMode::VPred => IPred16x16::ipred_v (ydst, yoff, ystride, ipred_ctx_y), + PredMode::TMPred => IPred16x16::ipred_tm(ydst, yoff, ystride, ipred_ctx_y), + _ => unreachable!(), + }; + } else { + validate!((pitch_mode == PITCH_MODE_NORMAL) || (pitch_mode == PITCH_MODE_X2)); + let mut iidx = mb_x * 4 + mb_y * 4 * self.ymode_stride; + let mut tr_save = [0x80u8; 16]; + if pitch_mode == PITCH_MODE_X2 { + // reorganise coefficient data for interlaced case + for y in (0..4).step_by(2) { + for x in 0..4 { + let mut tmpblock = [0i16; 16 * 2]; + let eidx = x + y * 4; + let oidx = x + y * 4 + 4; + for i in 0..4 { + for j in 0..4 { + tmpblock[i * 8 + 0 + j] = self.coeffs[eidx][i * 4 + j]; + tmpblock[i * 8 + 4 + j] = self.coeffs[oidx][i * 4 + j]; + } + } + self.coeffs[eidx].copy_from_slice(&tmpblock[0..16]); + self.coeffs[oidx].copy_from_slice(&tmpblock[16..32]); + } + } + } + for y in 0..4 { + for x in 0..4 { + ipred_ctx_y.has_left = has_left || x > 0; + let bmode = self.ymodes[iidx + x]; + let cur_yoff = yoff + x * 4; + let has_tr = has_top && ((x < 3) || ((y == 0) && (mb_y < self.mb_w - 1))); + let has_dl = ipred_ctx_y.has_left && (y < 3); + ipred_ctx_y.fill(ydst, cur_yoff, ystride, + if has_tr { 8 } else { 4 }, + if has_dl { 8 } else { 4 }); + if !has_tr { + for i in 0..4 { + ipred_ctx_y.top[i + 4] = tr_save[x * 4 + i]; + } + } else { + for i in 0..4 { + tr_save[x * 4 + i] = ipred_ctx_y.top[i + 4]; + } + } + match bmode { + PredMode::DCPred => IPred4x4::ipred_dc(ydst, cur_yoff, ystride, ipred_ctx_y), + PredMode::TMPred => IPred4x4::ipred_tm(ydst, cur_yoff, ystride, ipred_ctx_y), + PredMode::HPred => IPred4x4::ipred_he(ydst, cur_yoff, ystride, ipred_ctx_y), + PredMode::VPred => IPred4x4::ipred_ve(ydst, cur_yoff, ystride, ipred_ctx_y), + PredMode::LDPred => IPred4x4::ipred_ld(ydst, cur_yoff, ystride, ipred_ctx_y), + PredMode::RDPred => IPred4x4::ipred_rd(ydst, cur_yoff, ystride, ipred_ctx_y), + PredMode::VRPred => IPred4x4::ipred_vr(ydst, cur_yoff, ystride, ipred_ctx_y), + PredMode::VLPred => IPred4x4::ipred_vl(ydst, cur_yoff, ystride, ipred_ctx_y), + PredMode::HDPred => IPred4x4::ipred_hd(ydst, cur_yoff, ystride, ipred_ctx_y), + PredMode::HUPred => IPred4x4::ipred_hu(ydst, cur_yoff, ystride, ipred_ctx_y), + _ => unreachable!(), + }; + add_coeffs4x4(ydst, cur_yoff, ystride, &self.coeffs[x + y * 4]); + } + ipred_ctx_y.has_top = true; + yoff += 4 * ystride; + iidx += self.ymode_stride; + } + } + let dst = &mut dframe.data[0..]; + let uoff = dframe.offset[1] + mb_x * 8 + mb_y * 8 * dframe.stride[1]; + let ustride = dframe.stride[1]; + let voff = dframe.offset[2] + mb_x * 8 + mb_y * 8 * dframe.stride[2]; + let vstride = dframe.stride[2]; + let ipred_ctx_u = &mut self.dstate.ipred_ctx_u; + let ipred_ctx_v = &mut self.dstate.ipred_ctx_v; + ipred_ctx_u.has_top = has_top; + ipred_ctx_v.has_top = has_top; + ipred_ctx_u.has_left = has_left; + ipred_ctx_v.has_left = has_left; + ipred_ctx_u.fill(dst, uoff, ustride, 8, 8); + ipred_ctx_v.fill(dst, voff, vstride, 8, 8); + match self.mb_info[mb_idx].uvmode { + PredMode::DCPred => { + IPred8x8::ipred_dc(dst, uoff, ustride, ipred_ctx_u); + IPred8x8::ipred_dc(dst, voff, vstride, ipred_ctx_v); + }, + PredMode::HPred => { + IPred8x8::ipred_h(dst, uoff, ustride, ipred_ctx_u); + IPred8x8::ipred_h(dst, voff, vstride, ipred_ctx_v); + }, + PredMode::VPred => { + IPred8x8::ipred_v(dst, uoff, ustride, ipred_ctx_u); + IPred8x8::ipred_v(dst, voff, vstride, ipred_ctx_v); + }, + PredMode::TMPred => { + IPred8x8::ipred_tm(dst, uoff, ustride, ipred_ctx_u); + IPred8x8::ipred_tm(dst, voff, vstride, ipred_ctx_v); + }, + _ => unreachable!(), + }; + self.add_residue(dframe, mb_x, mb_y, is_normal, pitch_mode); + Ok(()) + } + fn recon_inter_mb(&mut self, dframe: &mut NASimpleVideoFrame, mb_x: usize, mb_y: usize, use_last: bool) { + let pitch = self.dstate.force_pitch.unwrap_or(0); + let pitch_dmode = (pitch >> 3) & 3; + let pitch_smode = pitch & 7; + + let refframe = (if use_last { self.shuf.get_last() } else { self.shuf.get_golden() }).unwrap(); + let single_mv = self.mb_info[mb_x + mb_y * self.mb_w].mb_type != VPMBType::InterFourMV; + let mut iidx = mb_x * 4 + mb_y * 4 * self.mv_stride; + let mut mc_buf = self.mc_buf.get_data_mut().unwrap(); + + let dst = &mut dframe.data[0..]; + let ystride = dframe.stride[0]; + let mut yoff = dframe.offset[0] + mb_x * 16 + mb_y * 16 * ystride; + if pitch_smode == 0 { + if single_mv { + mc_block16x16(dst, yoff, ystride, mb_x * 16, mb_y * 16, + self.mvs[iidx].x * 2, self.mvs[iidx].y * 2, refframe.clone(), 0, &mut mc_buf); + } else { + for y in 0..4 { + for x in 0..4 { + mc_block4x4(dst, yoff + x * 4, ystride, mb_x * 16 + x * 4, mb_y * 16 + y * 4, + self.mvs[iidx + x].x * 2, self.mvs[iidx + x].y * 2, refframe.clone(), 0, &mut mc_buf); + } + yoff += 4 * ystride; + iidx += self.mv_stride; + } + } + } else { + if single_mv { + mc_block_special(dst, yoff, ystride, mb_x * 16, mb_y * 16, + self.mvs[iidx].x * 2, self.mvs[iidx].y * 2, + refframe.clone(), 0, &mut mc_buf, 16, pitch_smode); + } else { + for y in 0..4 { + for x in 0..4 { + mc_block_special(dst, yoff + x * 4, ystride, + mb_x * 16 + x * 4, mb_y * 16 + y * 4, + self.mvs[iidx + x].x * 2, self.mvs[iidx + x].y * 2, + refframe.clone(), 0, &mut mc_buf, 4, pitch_smode); + } + yoff += 4 * ystride; + iidx += self.mv_stride; + } + } + } + + let mut iidx = mb_x * 4 + mb_y * 4 * self.mv_stride; + let mut uoff = dframe.offset[1] + mb_x * 8 + mb_y * 8 * dframe.stride[1]; + let ustride = dframe.stride[1]; + let mut voff = dframe.offset[2] + mb_x * 8 + mb_y * 8 * dframe.stride[2]; + let vstride = dframe.stride[2]; + if single_mv { + let chroma_mv = self.mvs[iidx]; + + if pitch_smode == 0 { + mc_block8x8(dst, uoff, ustride, mb_x * 8, mb_y * 8, chroma_mv.x, chroma_mv.y, refframe.clone(), 1, &mut mc_buf); + mc_block8x8(dst, voff, vstride, mb_x * 8, mb_y * 8, chroma_mv.x, chroma_mv.y, refframe.clone(), 2, &mut mc_buf); + } else { + mc_block_special(dst, uoff, ustride, mb_x * 8, mb_y * 8, chroma_mv.x, chroma_mv.y, + refframe.clone(), 1, &mut mc_buf, 8, pitch_smode); + mc_block_special(dst, voff, vstride, mb_x * 8, mb_y * 8, chroma_mv.x, chroma_mv.y, + refframe.clone(), 2, &mut mc_buf, 8, pitch_smode); + } + } else { + for y in 0..2 { + for x in 0..2 { + let mut chroma_mv = self.mvs[iidx] + self.mvs[iidx + 1] + + self.mvs[iidx + self.mv_stride] + + self.mvs[iidx + self.mv_stride + 1]; + chroma_mv.x /= 4; + chroma_mv.y /= 4; + + if pitch_smode == 0 { + mc_block4x4(dst, uoff, ustride, mb_x * 8 + x * 4, mb_y * 8 + y * 4, + chroma_mv.x, chroma_mv.y, refframe.clone(), 1, &mut mc_buf); + mc_block4x4(dst, voff, vstride, mb_x * 8 + x * 4, mb_y * 8 + y * 4, + chroma_mv.x, chroma_mv.y, refframe.clone(), 2, &mut mc_buf); + } else { + mc_block_special(dst, uoff, ustride, mb_x * 8 + x * 4, mb_y * 8 + y * 4, + chroma_mv.x, chroma_mv.y, refframe.clone(), 1, &mut mc_buf, + 4, pitch_smode); + mc_block_special(dst, voff, vstride, mb_x * 8 + x * 4, mb_y * 8 + y * 4, + chroma_mv.x, chroma_mv.y, refframe.clone(), 2, &mut mc_buf, + 4, pitch_smode); + } + } + uoff += ustride * 4; + voff += vstride * 4; + iidx += 2 * self.mv_stride; + } + } + self.add_residue(dframe, mb_x, mb_y, true, pitch_dmode); + } + fn loop_filter_mb(&mut self, dframe: &mut NASimpleVideoFrame, mb_x: usize, mb_y: usize, loop_str: u8) { + const HIGH_EDGE_VAR_THR: [[u8; 64]; 2] = [ + [ + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, + 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3 + ], [ + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 + ]]; + + let edge_thr = (loop_str as i16) + 2; + let luma_thr = loop_str as i16; + let chroma_thr = (loop_str as i16) * 2; + let inner_thr = if self.dstate.loop_sharpness == 0 { + loop_str as i16 + } else { + let bound1 = (9 - self.dstate.loop_sharpness) as i16; + let shift = (self.dstate.loop_sharpness + 3) >> 2; + ((loop_str as i16) >> shift).min(bound1) + }; + let hev_thr = HIGH_EDGE_VAR_THR[if self.dstate.is_intra { 1 } else { 0 }][loop_str as usize] as i16; + + let ystride = dframe.stride[0]; + let ustride = dframe.stride[1]; + let vstride = dframe.stride[2]; + let ypos = dframe.offset[0] + mb_x * 16 + mb_y * 16 * ystride; + let upos = dframe.offset[1] + mb_x * 8 + mb_y * 8 * ustride; + let vpos = dframe.offset[2] + mb_x * 8 + mb_y * 8 * vstride; + + let (loop_edge, loop_inner) = if self.dstate.lf_simple { + (simple_loop_filter as LoopFilterFunc, simple_loop_filter as LoopFilterFunc) + } else { + (normal_loop_filter_edge as LoopFilterFunc, normal_loop_filter_inner as LoopFilterFunc) + }; + + if mb_x > 0 { + loop_edge(dframe.data, ypos, 1, ystride, 16, edge_thr, inner_thr, hev_thr); + loop_edge(dframe.data, upos, 1, ustride, 8, edge_thr, inner_thr, hev_thr); + loop_edge(dframe.data, vpos, 1, vstride, 8, edge_thr, inner_thr, hev_thr); + } + if mb_y > 0 { + loop_edge(dframe.data, ypos, ystride, 1, 16, edge_thr, inner_thr, hev_thr); + loop_edge(dframe.data, upos, ustride, 1, 8, edge_thr, inner_thr, hev_thr); + loop_edge(dframe.data, vpos, vstride, 1, 8, edge_thr, inner_thr, hev_thr); + } + + for y in 1..4 { + loop_inner(dframe.data, ypos + y * 4 * ystride, ystride, 1, 16, luma_thr, inner_thr, hev_thr); + } + loop_inner(dframe.data, upos + 4 * ustride, ustride, 1, 8, chroma_thr, inner_thr, hev_thr); + loop_inner(dframe.data, vpos + 4 * vstride, vstride, 1, 8, chroma_thr, inner_thr, hev_thr); + + for x in 1..4 { + loop_inner(dframe.data, ypos + x * 4, 1, ystride, 16, luma_thr, inner_thr, hev_thr); + } + loop_inner(dframe.data, upos + 4, 1, ustride, 8, chroma_thr, inner_thr, hev_thr); + loop_inner(dframe.data, vpos + 4, 1, vstride, 8, chroma_thr, inner_thr, hev_thr); + } +} + +impl NADecoder for VP7Decoder { + fn init(&mut self, supp: &mut NADecoderSupport, info: NACodecInfoRef) -> DecoderResult<()> { + if let NACodecTypeInfo::Video(vinfo) = info.get_properties() { + let fmt = YUV420_FORMAT; + let myvinfo = NAVideoInfo::new(vinfo.get_width(), vinfo.get_height(), false, fmt); + let myinfo = NACodecTypeInfo::Video(myvinfo.clone()); + self.info = NACodecInfo::new_ref(info.get_name(), myinfo, info.get_extradata()).into_ref(); + + supp.pool_u8.set_dec_bufs(4); + supp.pool_u8.prealloc_video(NAVideoInfo::new(myvinfo.get_width(), myvinfo.get_height(), false, vinfo.get_format()), 4)?; + self.set_dimensions(myvinfo.get_width(), myvinfo.get_height()); + Ok(()) + } else { + Err(DecoderError::InvalidData) + } + } + fn decode(&mut self, supp: &mut NADecoderSupport, pkt: &NAPacket) -> DecoderResult { + let src = pkt.get_buffer(); + + validate!(src.len() > 4); + + let frame_tag = read_u24le(src.as_slice())?; + self.dstate.is_intra = (frame_tag & 1) == 0; + self.dstate.version = ((frame_tag >> 1) & 7) as u8; + let part2_off = (frame_tag >> 4) as usize; + let part1_off = if self.dstate.version == 0 { 4 } else { 3 }; + + validate!(src.len() > part1_off + part2_off); + let mut bc = BoolCoder::new(&src[part1_off..][..part2_off])?; + let mut bc_main = BoolCoder::new(&src[part1_off + part2_off..])?; + if self.dstate.is_intra { + let width = bc.read_bits(12) as usize; + let height = bc.read_bits(12) as usize; + let _scalev = bc.read_bits(2); + let _scaleh = bc.read_bits(2); + validate!((width > 0) && (height > 0)); + self.set_dimensions(width, height); + + self.dstate.reset(); + } + + self.read_features(&mut bc)?; + + let y_ac_q = bc.read_bits(7) as usize; + let y_dc_q = if bc.read_bool() { bc.read_bits(7) as usize } else { y_ac_q }; + let y2_dc_q = if bc.read_bool() { bc.read_bits(7) as usize } else { y_ac_q }; + let y2_ac_q = if bc.read_bool() { bc.read_bits(7) as usize } else { y_ac_q }; + let uv_dc_q = if bc.read_bool() { bc.read_bits(7) as usize } else { y_ac_q }; + let uv_ac_q = if bc.read_bool() { bc.read_bits(7) as usize } else { y_ac_q }; + self.set_qmat(y_dc_q, y_ac_q, y2_dc_q, y2_ac_q, uv_dc_q, uv_ac_q); + + let update_gf = if self.dstate.is_intra { true } else { bc.read_bool() }; + + let mut has_fading_feature = true; + let mut keep_probs = true; + if self.dstate.version != 0 { + keep_probs = bc.read_bool(); + if self.dstate.is_intra { + has_fading_feature = true; + } else { + has_fading_feature = bc.read_bool(); + } + } + + if has_fading_feature { + self.dstate.fading = bc.read_bool(); + if self.dstate.fading { + self.dstate.fade_alpha = bc.read_sbits(8) as u16; + self.dstate.fade_beta = bc.read_sbits(8) as u16; + if let Some(pframe) = self.shuf.get_last() { + let mut fframe = supp.pool_u8.get_free().unwrap(); + let mut dframe = NASimpleVideoFrame::from_video_buf(&mut fframe).unwrap(); + fade_frame(pframe, &mut dframe, self.dstate.fade_alpha, self.dstate.fade_beta); + self.shuf.add_frame(fframe); + } + } + } else { + self.dstate.fading = false; + } + + if self.dstate.version == 0 { + self.dstate.lf_simple = bc.read_bool(); + } + + if bc.read_bool() { + for i in 1..16 { + self.scan[i] = DEFAULT_SCAN_ORDER[bc.read_bits(4) as usize]; + } + } + + if self.dstate.version != 0 { + self.dstate.lf_simple = bc.read_bool(); + } else { + self.dstate.lf_simple = false; + } + + self.dstate.loop_filter_level = bc.read_bits(6) as u8; + self.dstate.loop_sharpness = bc.read_bits(3) as u8; + + self.read_dct_coef_prob_upd(&mut bc)?; + + if !self.dstate.is_intra { + self.dstate.prob_intra_pred = bc.read_byte(); + self.dstate.prob_last_pred = bc.read_byte(); + if bc.read_bool() { + for i in 0..4 { + self.dstate.kf_ymode_prob[i] = bc.read_byte(); + } + } + if bc.read_bool() { + for i in 0..3 { + self.dstate.kf_uvmode_prob[i] = bc.read_byte(); + } + } + self.read_mv_prob_upd(&mut bc)?; + } + if !keep_probs { + self.tmp_scan.copy_from_slice(&self.scan); + } + + let vinfo = NAVideoInfo::new(self.width, self.height, false, YUV420_FORMAT); + let ret = supp.pool_u8.get_free(); + if ret.is_none() { + return Err(DecoderError::AllocError); + } + let mut buf = ret.unwrap(); + if buf.get_info() != vinfo { + self.shuf.clear(); + supp.pool_u8.reset(); + supp.pool_u8.prealloc_video(vinfo, 4)?; + let ret = supp.pool_u8.get_free(); + if ret.is_none() { + return Err(DecoderError::AllocError); + } + buf = ret.unwrap(); + } + let mut dframe = NASimpleVideoFrame::from_video_buf(&mut buf).unwrap(); + + let mut mb_idx = 0; + self.pcache.reset(); + self.dstate.pdc_pred_val = 0; + self.dstate.pdc_pred_count = 0; + let mut use_last = true; + for mb_y in 0..self.mb_h { + for mb_x in 0..self.mb_w { + self.decode_mb_features(&mut bc, mb_x, mb_y)?; + self.dstate.has_y2 = true; + if self.dstate.is_intra { + let ymode = bc.read_tree(KF_Y_MODE_TREE, KF_Y_MODE_TREE_PROBS); + if ymode == PredMode::BPred { + self.dstate.has_y2 = false; + let mut iidx = mb_x * 4 + mb_y * 4 * self.ymode_stride; + for y in 0..4 { + for x in 0..4 { + let top_mode = if (y > 0) || (mb_y > 0) { + self.ymodes[iidx + x - self.ymode_stride] + } else { + PredMode::DCPred + }; + let left_mode = if (x > 0) || (mb_x > 0) { + self.ymodes[iidx + x - 1] + } else { + PredMode::DCPred + }; + let top_idx = top_mode.to_b_index(); + let left_idx = left_mode.to_b_index(); + let bmode = bc.read_tree(B_MODE_TREE, &KF_B_MODE_TREE_PROBS[top_idx][left_idx]); + self.ymodes[iidx + x] = bmode; + } + iidx += self.ymode_stride; + } + } else { + self.fill_ymode(mb_x, mb_y, ymode.to_b_mode()); + } + let uvmode = bc.read_tree(UV_MODE_TREE, KF_UV_MODE_TREE_PROBS); + self.mb_info[mb_idx].mb_type = VPMBType::Intra; + self.mb_info[mb_idx].ymode = ymode; + self.mb_info[mb_idx].uvmode = uvmode; + } else if !bc.read_prob(self.dstate.prob_intra_pred) { + let ymode = bc.read_tree(Y_MODE_TREE, &self.dstate.kf_ymode_prob); + if ymode == PredMode::BPred { + self.dstate.has_y2 = false; + let mut iidx = mb_x * 4 + mb_y * 4 * self.ymode_stride; + for _y in 0..4 { + for x in 0..4 { + let bmode = bc.read_tree(B_MODE_TREE, B_MODE_TREE_PROBS); + self.ymodes[iidx + x] = bmode; + } + iidx += self.ymode_stride; + } + } else { + self.fill_ymode(mb_x, mb_y, PredMode::Inter); + } + let uvmode = bc.read_tree(UV_MODE_TREE, &self.dstate.kf_uvmode_prob); + self.mb_info[mb_idx].mb_type = VPMBType::Intra; + self.mb_info[mb_idx].ymode = ymode; + self.mb_info[mb_idx].uvmode = uvmode; + self.fill_mv(mb_x, mb_y, ZERO_MV); + } else { + use_last = !bc.read_prob(self.dstate.prob_last_pred); + + let (mvprobs, nearest_mv, near_mv, pred_mv) = self.find_mv_pred(mb_x, mb_y); + let mbtype = bc.read_tree(MV_REF_TREE, &mvprobs); + + match mbtype { + VPMBType::InterNearest => { + self.fill_mv(mb_x, mb_y, nearest_mv); + }, + VPMBType::InterNear => { + self.fill_mv(mb_x, mb_y, near_mv); + }, + VPMBType::InterNoMV => { + self.fill_mv(mb_x, mb_y, ZERO_MV); + }, + VPMBType::InterMV => { + let dmy = decode_mv_component(&mut bc, &self.dstate.mv_probs[0]); + let dmx = decode_mv_component(&mut bc, &self.dstate.mv_probs[1]); + let new_mv = pred_mv + MV{ x: dmx, y: dmy }; + self.fill_mv(mb_x, mb_y, new_mv); + }, + VPMBType::InterFourMV => { + self.do_split_mv(&mut bc, mb_x, mb_y, pred_mv)?; + }, + _ => unreachable!(), + }; + + self.fill_ymode(mb_x, mb_y, PredMode::Inter); + self.mb_info[mb_idx].mb_type = mbtype; + self.mb_info[mb_idx].ymode = PredMode::Inter; + self.mb_info[mb_idx].uvmode = PredMode::Inter; + } + self.decode_residue(&mut bc_main, mb_x, mb_idx); + match self.mb_info[mb_idx].mb_type { + VPMBType::Intra => { + self.recon_intra_mb(&mut dframe, mb_x, mb_y)?; + }, + _ => { + self.recon_inter_mb(&mut dframe, mb_x, mb_y, use_last); + }, + } + if let Some(loop_str) = self.dstate.force_loop_str { + self.mb_info[mb_idx].loop_str = loop_str; + } else { + self.mb_info[mb_idx].loop_str = self.dstate.loop_filter_level; + } + self.mb_info[mb_idx].upd_gf = self.dstate.force_gf_update; + mb_idx += 1; + } + self.pcache.update_row(); + } + let mut mb_idx = 0; + for mb_y in 0..self.mb_h { + for mb_x in 0..self.mb_w { + let loop_str = self.mb_info[mb_idx].loop_str; + self.loop_filter_mb(&mut dframe, mb_x, mb_y, loop_str); + mb_idx += 1; + } + } + if !update_gf && self.dstate.features[2].is_some() { + let gf = self.shuf.get_golden().unwrap(); + let mut new_gf = supp.pool_u8.get_copy(&gf).unwrap(); + let dframe = NASimpleVideoFrame::from_video_buf(&mut new_gf).unwrap(); + let mut mb_idx = 0; + let mut mc_buf = self.mc_buf.get_data_mut().unwrap(); + for mb_y in 0..self.mb_h { + for mb_x in 0..self.mb_w { + if self.mb_info[mb_idx].upd_gf { + mc_block16x16(dframe.data, dframe.offset[0] + mb_x * 16 + mb_y * 16 * dframe.stride[0], dframe.stride[0], mb_x * 16, mb_y * 16, 0, 0, buf.clone(), 0, &mut mc_buf); + mc_block8x8(dframe.data, dframe.offset[1] + mb_x * 8 + mb_y * 8 * dframe.stride[1], dframe.stride[1], mb_x * 8, mb_y * 8, 0, 0, buf.clone(), 1, &mut mc_buf); + mc_block8x8(dframe.data, dframe.offset[2] + mb_x * 8 + mb_y * 8 * dframe.stride[2], dframe.stride[2], mb_x * 8, mb_y * 8, 0, 0, buf.clone(), 2, &mut mc_buf); + } + mb_idx += 1; + } + } + self.shuf.add_golden_frame(new_gf); + } + + if !keep_probs { + self.scan.copy_from_slice(&self.tmp_scan); + } + if update_gf { + self.shuf.add_golden_frame(buf.clone()); + } + self.shuf.add_frame(buf.clone()); + + let mut frm = NAFrame::new_from_pkt(pkt, self.info.clone(), NABufferType::Video(buf)); + frm.set_keyframe(self.dstate.is_intra); + frm.set_frame_type(if self.dstate.is_intra { FrameType::I } else { FrameType::P }); + Ok(frm.into_ref()) + } +} + +pub fn get_decoder() -> Box { + Box::new(VP7Decoder::new()) +} + +#[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; + + #[test] + fn test_vp7() { + 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/potter-40.vp7"; + //let file = "assets/Duck/potter-500.vp7"; + //let file = "assets/Duck/starsky-700.vp7"; + //let file = "assets/Duck/taking-700.vp7"; + //let file = "assets/Duck/troy-700.vp7"; + let file = "assets/Duck/interlaced_blit_pitch.avi"; + //let file = "assets/Duck/vp7.avi"; + test_file_decoding("avi", file, Some(12), true, false, None/*Some("vp7")*/, &dmx_reg, &dec_reg); + } +} + +/*const DEFAULT_ZIGZAG: [usize; 16] = [ + 0, 1, 5, 6, + 2, 4, 7, 12, + 3, 8, 11, 13, + 9, 10, 14, 15 +];*/ +const DEFAULT_SCAN_ORDER: [usize; 16] = [ + 0, 1, 4, 8, + 5, 2, 3, 6, + 9, 12, 13, 10, + 7, 11, 14, 15 +]; + +const Y_MODE_TREE: &[VPTreeDef] = &[ + VPTreeDef::Value(PredMode::DCPred), VPTreeDef::Index(2), + VPTreeDef::Index(4), VPTreeDef::Index(6), + VPTreeDef::Value(PredMode::VPred), VPTreeDef::Value(PredMode::HPred), + VPTreeDef::Value(PredMode::TMPred), VPTreeDef::Value(PredMode::BPred), +]; +const KF_Y_MODE_TREE: &[VPTreeDef] = &[ + VPTreeDef::Value(PredMode::BPred), VPTreeDef::Index(2), + VPTreeDef::Index(4), VPTreeDef::Index(6), + VPTreeDef::Value(PredMode::DCPred), VPTreeDef::Value(PredMode::VPred), + VPTreeDef::Value(PredMode::HPred), VPTreeDef::Value(PredMode::TMPred), +]; +const UV_MODE_TREE: &[VPTreeDef] = &[ + VPTreeDef::Value(PredMode::DCPred), VPTreeDef::Index(2), + VPTreeDef::Value(PredMode::VPred), VPTreeDef::Index(4), + VPTreeDef::Value(PredMode::HPred), VPTreeDef::Value(PredMode::TMPred) +]; +const B_MODE_TREE: &[VPTreeDef] = &[ + VPTreeDef::Value(PredMode::DCPred), VPTreeDef::Index(2), + VPTreeDef::Value(PredMode::TMPred), VPTreeDef::Index(4), + VPTreeDef::Value(PredMode::VPred), VPTreeDef::Index(6), + VPTreeDef::Index(8), VPTreeDef::Index(12), + VPTreeDef::Value(PredMode::HPred), VPTreeDef::Index(10), + VPTreeDef::Value(PredMode::RDPred), VPTreeDef::Value(PredMode::VRPred), + VPTreeDef::Value(PredMode::LDPred), VPTreeDef::Index(14), + VPTreeDef::Value(PredMode::VLPred), VPTreeDef::Index(16), + VPTreeDef::Value(PredMode::HDPred), VPTreeDef::Value(PredMode::HUPred) +]; + +const FEATURE_TREE: &[VPTreeDef] = &[ + VPTreeDef::Index(2), VPTreeDef::Index(4), + VPTreeDef::Value(0), VPTreeDef::Value(1), + VPTreeDef::Value(2), VPTreeDef::Value(3) +]; + +const COEF_TREE: &[VPTreeDef] = &[ + VPTreeDef::Value(DCTToken::EOB), VPTreeDef::Index(2), + VPTreeDef::Value(DCTToken::Zero), VPTreeDef::Index(4), + VPTreeDef::Value(DCTToken::One), VPTreeDef::Index(6), + VPTreeDef::Index(8), VPTreeDef::Index(12), + VPTreeDef::Value(DCTToken::Two), VPTreeDef::Index(10), + VPTreeDef::Value(DCTToken::Three), VPTreeDef::Value(DCTToken::Four), + VPTreeDef::Index(14), VPTreeDef::Index(16), + VPTreeDef::Value(DCTToken::Cat1), VPTreeDef::Value(DCTToken::Cat2), + VPTreeDef::Index(18), VPTreeDef::Index(20), + VPTreeDef::Value(DCTToken::Cat3), VPTreeDef::Value(DCTToken::Cat4), + VPTreeDef::Value(DCTToken::Cat5), VPTreeDef::Value(DCTToken::Cat6) +]; + +const MV_REF_TREE: &[VPTreeDef] = &[ + VPTreeDef::Value(VPMBType::InterNoMV), VPTreeDef::Index(2), + VPTreeDef::Value(VPMBType::InterNearest), VPTreeDef::Index(4), + VPTreeDef::Value(VPMBType::InterNear), VPTreeDef::Index(6), + VPTreeDef::Value(VPMBType::InterMV), VPTreeDef::Value(VPMBType::InterFourMV) +]; +const SMALL_MV_TREE: &[VPTreeDef] = &[ + VPTreeDef::Index(2), VPTreeDef::Index(8), + VPTreeDef::Index(4), VPTreeDef::Index(6), + VPTreeDef::Value(0), VPTreeDef::Value(1), + VPTreeDef::Value(2), VPTreeDef::Value(3), + VPTreeDef::Index(10), VPTreeDef::Index(12), + VPTreeDef::Value(4), VPTreeDef::Value(5), + VPTreeDef::Value(6), VPTreeDef::Value(7) +]; +const MV_SPLIT_MODE_TREE: &[VPTreeDef] = &[ + VPTreeDef::Value(MVSplitMode::Sixteenths), VPTreeDef::Index(2), + VPTreeDef::Value(MVSplitMode::Quarters), VPTreeDef::Index(4), + VPTreeDef::Value(MVSplitMode::TopBottom), VPTreeDef::Value(MVSplitMode::LeftRight) +]; +const SUB_MV_REF_TREE: &[VPTreeDef] = &[ + VPTreeDef::Value(SubMVRef::Left), VPTreeDef::Index(2), + VPTreeDef::Value(SubMVRef::Above), VPTreeDef::Index(4), + VPTreeDef::Value(SubMVRef::Zero), VPTreeDef::Value(SubMVRef::New) +]; diff --git a/nihav-duck/src/codecs/vp7data.rs b/nihav-duck/src/codecs/vp7data.rs new file mode 100644 index 0000000..8e60b3b --- /dev/null +++ b/nihav-duck/src/codecs/vp7data.rs @@ -0,0 +1,504 @@ +pub const KF_Y_MODE_TREE_PROBS: &[u8; 4] = &[ 145, 156, 163, 128 ]; +pub const KF_UV_MODE_TREE_PROBS: &[u8; 3] = &[ 142, 114, 183 ]; +pub const Y_MODE_TREE_PROBS: &[u8; 4] = &[ 112, 86, 140, 37 ]; +pub const UV_MODE_TREE_PROBS: &[u8; 3] = &[ 162, 101, 204 ]; + +pub const MV_UPDATE_PROBS: [[u8; 17]; 2] = [ + [ 237, 246, 253, 253, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 250, 250, 252 ], + [ 231, 243, 245, 253, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 251, 251, 254 ] +]; +pub const DEFAULT_MV_PROBS: [[u8; 17]; 2] = [ + [ 162, 128, 225, 146, 172, 147, 214, 39, 156, 247, 210, 135, 68, 138, 220, 239, 246 ], + [ 164, 128, 204, 170, 119, 235, 140, 230, 228, 244, 184, 201, 44, 173, 221, 239, 253 ] +]; +pub const MV_SPLIT_MODE_PROBS: [u8; 3] = [ 110, 111, 150 ]; +pub const SUB_MV_REF_PROBS: [u8; 3] = [ 180, 162, 25 ]; + +pub const INTER_MODE_PROBS: [[u8; 4]; 31] = [ + [ 3, 3, 1, 246 ], + [ 7, 89, 66, 239 ], + [ 10, 90, 78, 238 ], + [ 14, 118, 95, 241 ], + [ 14, 123, 106, 238 ], + [ 20, 140, 109, 240 ], + [ 13, 155, 103, 238 ], + [ 21, 158, 99, 240 ], + [ 27, 82, 108, 232 ], + [ 19, 99, 123, 217 ], + [ 45, 139, 148, 236 ], + [ 50, 117, 144, 235 ], + [ 57, 128, 164, 238 ], + [ 69, 139, 171, 239 ], + [ 74, 154, 179, 238 ], + [ 112, 165, 186, 242 ], + [ 98, 143, 185, 245 ], + [ 105, 153, 190, 250 ], + [ 124, 167, 192, 245 ], + [ 131, 186, 203, 246 ], + [ 59, 184, 222, 224 ], + [ 148, 215, 214, 213 ], + [ 137, 211, 210, 219 ], + [ 190, 227, 128, 228 ], + [ 183, 228, 128, 228 ], + [ 194, 234, 128, 228 ], + [ 202, 236, 128, 228 ], + [ 205, 240, 128, 228 ], + [ 205, 244, 128, 228 ], + [ 225, 246, 128, 228 ], + [ 233, 251, 128, 228 ] +]; + +pub const B_MODE_TREE_PROBS: &[u8; 9] = &[ 120, 90, 79, 133, 87, 85, 80, 111, 151 ]; +pub const KF_B_MODE_TREE_PROBS: [[[u8; 9]; 10]; 10] = [ + [ + [ 231, 120, 48, 89, 115, 113, 120, 152, 112 ], + [ 152, 179, 64, 126, 170, 118, 46, 70, 95 ], + [ 175, 69, 143, 80, 85, 82, 72, 155, 103 ], + [ 56, 58, 10, 171, 218, 189, 17, 13, 152 ], + [ 144, 71, 10, 38, 171, 213, 144, 34, 26 ], + [ 114, 26, 17, 163, 44, 195, 21, 10, 173 ], + [ 121, 24, 80, 195, 26, 62, 44, 64, 85 ], + [ 170, 46, 55, 19, 136, 160, 33, 206, 71 ], + [ 63, 20, 8, 114, 114, 208, 12, 9, 226 ], + [ 81, 40, 11, 96, 182, 84, 29, 16, 36 ], + ], [ + [ 134, 183, 89, 137, 98, 101, 106, 165, 148 ], + [ 72, 187, 100, 130, 157, 111, 32, 75, 80 ], + [ 66, 102, 167, 99, 74, 62, 40, 234, 128 ], + [ 41, 53, 9, 178, 241, 141, 26, 8, 107 ], + [ 104, 79, 12, 27, 217, 255, 87, 17, 7 ], + [ 74, 43, 26, 146, 73, 166, 49, 23, 157 ], + [ 65, 38, 105, 160, 51, 52, 31, 115, 128 ], + [ 87, 68, 71, 44, 114, 51, 15, 186, 23 ], + [ 47, 41, 14, 110, 182, 183, 21, 17, 194 ], + [ 66, 45, 25, 102, 197, 189, 23, 18, 22 ], + ], [ + [ 88, 88, 147, 150, 42, 46, 45, 196, 205 ], + [ 43, 97, 183, 117, 85, 38, 35, 179, 61 ], + [ 39, 53, 200, 87, 26, 21, 43, 232, 171 ], + [ 56, 34, 51, 104, 114, 102, 29, 93, 77 ], + [ 107, 54, 32, 26, 51, 1, 81, 43, 31 ], + [ 39, 28, 85, 171, 58, 165, 90, 98, 64 ], + [ 34, 22, 116, 206, 23, 34, 43, 166, 73 ], + [ 68, 25, 106, 22, 64, 171, 36, 225, 114 ], + [ 34, 19, 21, 102, 132, 188, 16, 76, 124 ], + [ 62, 18, 78, 95, 85, 57, 50, 48, 51 ], + ], [ + [ 193, 101, 35, 159, 215, 111, 89, 46, 111 ], + [ 60, 148, 31, 172, 219, 228, 21, 18, 111 ], + [ 112, 113, 77, 85, 179, 255, 38, 120, 114 ], + [ 40, 42, 1, 196, 245, 209, 10, 25, 109 ], + [ 100, 80, 8, 43, 154, 1, 51, 26, 71 ], + [ 88, 43, 29, 140, 166, 213, 37, 43, 154 ], + [ 61, 63, 30, 155, 67, 45, 68, 1, 209 ], + [ 142, 78, 78, 16, 255, 128, 34, 197, 171 ], + [ 41, 40, 5, 102, 211, 183, 4, 1, 221 ], + [ 51, 50, 17, 168, 209, 192, 23, 25, 82 ], + ], [ + [ 125, 98, 42, 88, 104, 85, 117, 175, 82 ], + [ 95, 84, 53, 89, 128, 100, 113, 101, 45 ], + [ 75, 79, 123, 47, 51, 128, 81, 171, 1 ], + [ 57, 17, 5, 71, 102, 57, 53, 41, 49 ], + [ 115, 21, 2, 10, 102, 255, 166, 23, 6 ], + [ 38, 33, 13, 121, 57, 73, 26, 1, 85 ], + [ 41, 10, 67, 138, 77, 110, 90, 47, 114 ], + [ 101, 29, 16, 10, 85, 128, 101, 196, 26 ], + [ 57, 18, 10, 102, 102, 213, 34, 20, 43 ], + [ 117, 20, 15, 36, 163, 128, 68, 1, 26 ], + ], [ + [ 138, 31, 36, 171, 27, 166, 38, 44, 229 ], + [ 67, 87, 58, 169, 82, 115, 26, 59, 179 ], + [ 63, 59, 90, 180, 59, 166, 93, 73, 154 ], + [ 40, 40, 21, 116, 143, 209, 34, 39, 175 ], + [ 57, 46, 22, 24, 128, 1, 54, 17, 37 ], + [ 47, 15, 16, 183, 34, 223, 49, 45, 183 ], + [ 46, 17, 33, 183, 6, 98, 15, 32, 183 ], + [ 65, 32, 73, 115, 28, 128, 23, 128, 205 ], + [ 40, 3, 9, 115, 51, 192, 18, 6, 223 ], + [ 87, 37, 9, 115, 59, 77, 64, 21, 47 ], + ], [ + [ 104, 55, 44, 218, 9, 54, 53, 130, 226 ], + [ 64, 90, 70, 205, 40, 41, 23, 26, 57 ], + [ 54, 57, 112, 184, 5, 41, 38, 166, 213 ], + [ 30, 34, 26, 133, 152, 116, 10, 32, 134 ], + [ 75, 32, 12, 51, 192, 255, 160, 43, 51 ], + [ 39, 19, 53, 221, 26, 114, 32, 73, 255 ], + [ 31, 9, 65, 234, 2, 15, 1, 118, 73 ], + [ 88, 31, 35, 67, 102, 85, 55, 186, 85 ], + [ 56, 21, 23, 111, 59, 205, 45, 37, 192 ], + [ 55, 38, 70, 124, 73, 102, 1, 34, 98 ], + ], [ + [ 102, 61, 71, 37, 34, 53, 31, 243, 192 ], + [ 69, 60, 71, 38, 73, 119, 28, 222, 37 ], + [ 68, 45, 128, 34, 1, 47, 11, 245, 171 ], + [ 62, 17, 19, 70, 146, 85, 55, 62, 70 ], + [ 75, 15, 9, 9, 64, 255, 184, 119, 16 ], + [ 37, 43, 37, 154, 100, 163, 85, 160, 1 ], + [ 63, 9, 92, 136, 28, 64, 32, 201, 85 ], + [ 86, 6, 28, 5, 64, 255, 25, 248, 1 ], + [ 56, 8, 17, 132, 137, 255, 55, 116, 128 ], + [ 58, 15, 20, 82, 135, 57, 26, 121, 40 ], + ], [ + [ 164, 50, 31, 137, 154, 133, 25, 35, 218 ], + [ 51, 103, 44, 131, 131, 123, 31, 6, 158 ], + [ 86, 40, 64, 135, 148, 224, 45, 183, 128 ], + [ 22, 26, 17, 131, 240, 154, 14, 1, 209 ], + [ 83, 12, 13, 54, 192, 255, 68, 47, 28 ], + [ 45, 16, 21, 91, 64, 222, 7, 1, 197 ], + [ 56, 21, 39, 155, 60, 138, 23, 102, 213 ], + [ 85, 26, 85, 85, 128, 128, 32, 146, 171 ], + [ 18, 11, 7, 63, 144, 171, 4, 4, 246 ], + [ 35, 27, 10, 146, 174, 171, 12, 26, 128 ], + ], [ + [ 190, 80, 35, 99, 180, 80, 126, 54, 45 ], + [ 85, 126, 47, 87, 176, 51, 41, 20, 32 ], + [ 101, 75, 128, 139, 118, 146, 116, 128, 85 ], + [ 56, 41, 15, 176, 236, 85, 37, 9, 62 ], + [ 146, 36, 19, 30, 171, 255, 97, 27, 20 ], + [ 71, 30, 17, 119, 118, 255, 17, 18, 138 ], + [ 101, 38, 60, 138, 55, 70, 43, 26, 142 ], + [ 138, 45, 61, 62, 219, 1, 81, 188, 64 ], + [ 32, 41, 20, 117, 151, 142, 20, 21, 163 ], + [ 112, 19, 12, 61, 195, 128, 48, 4, 24 ], + ] +]; + +pub const DCT_UPDATE_PROBS: [[[[u8; 11]; 3]; 8]; 4] = [ + [ + [ + [ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ] + ], [ + [ 176, 246, 255, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 223, 241, 252, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 249, 253, 253, 255, 255, 255, 255, 255, 255, 255, 255 ] + ], [ + [ 255, 244, 252, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 234, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 253, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ] + ], [ + [ 255, 246, 254, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 239, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 254, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255 ] + ], [ + [ 255, 248, 254, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 251, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ] + ], [ + [ 255, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 251, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 254, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255 ] + ], [ + [ 255, 254, 253, 255, 254, 255, 255, 255, 255, 255, 255 ], + [ 250, 255, 254, 255, 254, 255, 255, 255, 255, 255, 255 ], + [ 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ] + ], [ + [ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ] + ], + ], [ + [ + [ 217, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 225, 252, 241, 253, 255, 255, 254, 255, 255, 255, 255 ], + [ 234, 250, 241, 250, 253, 255, 253, 254, 255, 255, 255 ], + ], [ + [ 255, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 223, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 238, 253, 254, 254, 255, 255, 255, 255, 255, 255, 255 ], + ], [ + [ 255, 248, 254, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 249, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ], + ], [ + [ 255, 253, 255, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 247, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ], + ], [ + [ 255, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 252, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ] + ], [ + [ 255, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 253, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ] + ], [ + [ 255, 254, 253, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 250, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ] + ], [ + [ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ] + ] + ], [ + [ + [ 186, 251, 250, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 234, 251, 244, 254, 255, 255, 255, 255, 255, 255, 255 ], + [ 251, 251, 243, 253, 254, 255, 254, 255, 255, 255, 255 ] + ], [ + [ 255, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 236, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 251, 253, 253, 254, 254, 255, 255, 255, 255, 255, 255 ] + ], [ + [ 255, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 254, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ] + ], [ + [ 255, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 254, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ] + ], [ + [ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ] + ], [ + [ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ] + ], [ + [ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ] + ], [ + [ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ] + ] + ], [ + [ + [ 248, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 250, 254, 252, 254, 255, 255, 255, 255, 255, 255, 255 ], + [ 248, 254, 249, 253, 255, 255, 255, 255, 255, 255, 255 ] + ], [ + [ 255, 253, 253, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 246, 253, 253, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 252, 254, 251, 254, 254, 255, 255, 255, 255, 255, 255 ] + ], [ + [ 255, 254, 252, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 248, 254, 253, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 253, 255, 254, 254, 255, 255, 255, 255, 255, 255, 255 ] + ], [ + [ 255, 251, 254, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 245, 251, 254, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 253, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 ] + ], [ + [ 255, 251, 253, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 252, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 255, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 ] + ], [ + [ 255, 252, 255, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 249, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 255, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255 ] + ], [ + [ 255, 255, 253, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 250, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ] + ], [ + [ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ], + [ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ] + ] + ] +]; +pub const DEFAULT_DCT_PROBS: [[[[u8; 11]; 3]; 8]; 4] = [ + [ + [ + [ 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 ], + [ 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 ], + [ 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 ], + ], [ + [ 253, 136, 254, 255, 228, 219, 128, 128, 128, 128, 128 ], + [ 189, 129, 242, 255, 227, 213, 255, 219, 128, 128, 128 ], + [ 106, 126, 227, 252, 214, 209, 255, 255, 128, 128, 128 ], + ], [ + [ 1, 98, 248, 255, 236, 226, 255, 255, 128, 128, 128 ], + [ 181, 133, 238, 254, 221, 234, 255, 154, 128, 128, 128 ], + [ 78, 134, 202, 247, 198, 180, 255, 219, 128, 128, 128 ], + ], [ + [ 1, 185, 249, 255, 243, 255, 128, 128, 128, 128, 128 ], + [ 184, 150, 247, 255, 236, 224, 128, 128, 128, 128, 128 ], + [ 77, 110, 216, 255, 236, 230, 128, 128, 128, 128, 128 ], + ], [ + [ 1, 101, 251, 255, 241, 255, 128, 128, 128, 128, 128 ], + [ 170, 139, 241, 252, 236, 209, 255, 255, 128, 128, 128 ], + [ 37, 116, 196, 243, 228, 255, 255, 255, 128, 128, 128 ], + ], [ + [ 1, 204, 254, 255, 245, 255, 128, 128, 128, 128, 128 ], + [ 207, 160, 250, 255, 238, 128, 128, 128, 128, 128, 128 ], + [ 102, 103, 231, 255, 211, 171, 128, 128, 128, 128, 128 ], + ], [ + [ 1, 152, 252, 255, 240, 255, 128, 128, 128, 128, 128 ], + [ 177, 135, 243, 255, 234, 225, 128, 128, 128, 128, 128 ], + [ 80, 129, 211, 255, 194, 224, 128, 128, 128, 128, 128 ], + ], [ + [ 1, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 ], + [ 246, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 ], + [ 255, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 ], + ] + ], [ + [ + [ 198, 35, 237, 223, 193, 187, 162, 160, 145, 155, 62 ], + [ 131, 45, 198, 221, 172, 176, 220, 157, 252, 221, 1 ], + [ 68, 47, 146, 208, 149, 167, 221, 162, 255, 223, 128 ], + ], [ + [ 1, 149, 241, 255, 221, 224, 255, 255, 128, 128, 128 ], + [ 184, 141, 234, 253, 222, 220, 255, 199, 128, 128, 128 ], + [ 81, 99, 181, 242, 176, 190, 249, 202, 255, 255, 128 ], + ], [ + [ 1, 129, 232, 253, 214, 197, 242, 196, 255, 255, 128 ], + [ 99, 121, 210, 250, 201, 198, 255, 202, 128, 128, 128 ], + [ 23, 91, 163, 242, 170, 187, 247, 210, 255, 255, 128 ], + ], [ + [ 1, 200, 246, 255, 234, 255, 128, 128, 128, 128, 128 ], + [ 109, 178, 241, 255, 231, 245, 255, 255, 128, 128, 128 ], + [ 44, 130, 201, 253, 205, 192, 255, 255, 128, 128, 128 ], + ], [ + [ 1, 132, 239, 251, 219, 209, 255, 165, 128, 128, 128 ], + [ 94, 136, 225, 251, 218, 190, 255, 255, 128, 128, 128 ], + [ 22, 100, 174, 245, 186, 161, 255, 199, 128, 128, 128 ], + ], [ + [ 1, 182, 249, 255, 232, 235, 128, 128, 128, 128, 128 ], + [ 124, 143, 241, 255, 227, 234, 128, 128, 128, 128, 128 ], + [ 35, 77, 181, 251, 193, 211, 255, 205, 128, 128, 128 ], + ], [ + [ 1, 157, 247, 255, 236, 231, 255, 255, 128, 128, 128 ], + [ 121, 141, 235, 255, 225, 227, 255, 255, 128, 128, 128 ], + [ 45, 99, 188, 251, 195, 217, 255, 224, 128, 128, 128 ], + ], [ + [ 1, 1, 251, 255, 213, 255, 128, 128, 128, 128, 128 ], + [ 203, 1, 248, 255, 255, 128, 128, 128, 128, 128, 128 ], + [ 137, 1, 177, 255, 224, 255, 128, 128, 128, 128, 128 ], + ] + ], [ + [ + [ 253, 9, 248, 251, 207, 208, 255, 192, 128, 128, 128 ], + [ 175, 13, 224, 243, 193, 185, 249, 198, 255, 255, 128 ], + [ 73, 17, 171, 221, 161, 179, 236, 167, 255, 234, 128 ], + ], [ + [ 1, 95, 247, 253, 212, 183, 255, 255, 128, 128, 128 ], + [ 239, 90, 244, 250, 211, 209, 255, 255, 128, 128, 128 ], + [ 155, 77, 195, 248, 188, 195, 255, 255, 128, 128, 128 ], + ], [ + [ 1, 24, 239, 251, 218, 219, 255, 205, 128, 128, 128 ], + [ 201, 51, 219, 255, 196, 186, 128, 128, 128, 128, 128 ], + [ 69, 46, 190, 239, 201, 218, 255, 228, 128, 128, 128 ], + ], [ + [ 1, 191, 251, 255, 255, 128, 128, 128, 128, 128, 128 ], + [ 223, 165, 249, 255, 213, 255, 128, 128, 128, 128, 128 ], + [ 141, 124, 248, 255, 255, 128, 128, 128, 128, 128, 128 ], + ], [ + [ 1, 16, 248, 255, 255, 128, 128, 128, 128, 128, 128 ], + [ 190, 36, 230, 255, 236, 255, 128, 128, 128, 128, 128 ], + [ 149, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 ], + ], [ + [ 1, 226, 255, 128, 128, 128, 128, 128, 128, 128, 128 ], + [ 247, 192, 255, 128, 128, 128, 128, 128, 128, 128, 128 ], + [ 240, 128, 255, 128, 128, 128, 128, 128, 128, 128, 128 ], + ], [ + [ 1, 134, 252, 255, 255, 128, 128, 128, 128, 128, 128 ], + [ 213, 62, 250, 255, 255, 128, 128, 128, 128, 128, 128 ], + [ 55, 93, 255, 128, 128, 128, 128, 128, 128, 128, 128 ], + ], [ + [ 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 ], + [ 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 ], + [ 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 ], + ] + ], [ + [ + [ 202, 24, 213, 235, 186, 191, 220, 160, 240, 175, 255 ], + [ 126, 38, 182, 232, 169, 184, 228, 174, 255, 187, 128 ], + [ 61, 46, 138, 219, 151, 178, 240, 170, 255, 216, 128 ], + ], [ + [ 1, 112, 230, 250, 199, 191, 247, 159, 255, 255, 128 ], + [ 166, 109, 228, 252, 211, 215, 255, 174, 128, 128, 128 ], + [ 39, 77, 162, 232, 172, 180, 245, 178, 255, 255, 128 ], + ], [ + [ 1, 52, 220, 246, 198, 199, 249, 220, 255, 255, 128 ], + [ 124, 74, 191, 243, 183, 193, 250, 221, 255, 255, 128 ], + [ 24, 71, 130, 219, 154, 170, 243, 182, 255, 255, 128 ], + ], [ + [ 1, 182, 225, 249, 219, 240, 255, 224, 128, 128, 128 ], + [ 149, 150, 226, 252, 216, 205, 255, 171, 128, 128, 128 ], + [ 28, 108, 170, 242, 183, 194, 254, 223, 255, 255, 128 ], + ], [ + [ 1, 81, 230, 252, 204, 203, 255, 192, 128, 128, 128 ], + [ 123, 102, 209, 247, 188, 196, 255, 233, 128, 128, 128 ], + [ 20, 95, 153, 243, 164, 173, 255, 203, 128, 128, 128 ], + ], [ + [ 1, 222, 248, 255, 216, 213, 128, 128, 128, 128, 128 ], + [ 168, 175, 246, 252, 235, 205, 255, 255, 128, 128, 128 ], + [ 47, 116, 215, 255, 211, 212, 255, 255, 128, 128, 128 ], + ], [ + [ 1, 121, 236, 253, 212, 214, 255, 255, 128, 128, 128 ], + [ 141, 84, 213, 252, 201, 202, 255, 219, 128, 128, 128 ], + [ 42, 80, 160, 240, 162, 185, 255, 205, 128, 128, 128 ], + ], [ + [ 1, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 ], + [ 244, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 ], + [ 238, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 ], + ] + ] +]; + +pub const Y_DC_QUANTS: [i16; 128] = [ + 4, 4, 5, 6, 6, 7, 8, 8, 9, 10, 11, 12, 13, 14, 15, 16, + 17, 18, 19, 20, 21, 22, 23, 23, 24, 25, 26, 27, 28, 29, 30, 31, + 32, 33, 33, 34, 35, 36, 36, 37, 38, 39, 39, 40, 41, 41, 42, 43, + 43, 44, 45, 45, 46, 47, 48, 48, 49, 50, 51, 52, 53, 53, 54, 56, + 57, 58, 59, 60, 62, 63, 65, 66, 68, 70, 72, 74, 76, 79, 81, 84, + 87, 90, 93, 96, 100, 104, 108, 112, 116, 121, 126, 131, 136, 142, 148, 154, + 160, 167, 174, 182, 189, 198, 206, 215, 224, 234, 244, 254, 265, 277, 288, 301, + 313, 327, 340, 355, 370, 385, 401, 417, 434, 452, 470, 489, 509, 529, 550, 572 +]; +pub const Y_AC_QUANTS: [i16; 128] = [ + 4, 4, 5, 5, 6, 6, 7, 8, 9, 10, 11, 12, 13, 15, 16, 17, + 19, 20, 22, 23, 25, 26, 28, 29, 31, 32, 34, 35, 37, 38, 40, 41, + 42, 44, 45, 46, 48, 49, 50, 51, 53, 54, 55, 56, 57, 58, 59, 61, + 62, 63, 64, 65, 67, 68, 69, 70, 72, 73, 75, 76, 78, 80, 82, 84, + 86, 88, 91, 93, 96, 99, 102, 105, 109, 112, 116, 121, 125, 130, 135, 140, + 146, 152, 158, 165, 172, 180, 188, 196, 205, 214, 224, 234, 245, 256, 268, 281, + 294, 308, 322, 337, 353, 369, 386, 404, 423, 443, 463, 484, 506, 529, 553, 578, + 604, 631, 659, 688, 718, 749, 781, 814, 849, 885, 922, 960, 1000, 1041, 1083, 1127 +]; +pub const Y2_DC_QUANTS: [i16; 128] = [ + 7, 9, 11, 13, 15, 17, 19, 21, 23, 26, 28, 30, 33, 35, 37, 39, + 42, 44, 46, 48, 51, 53, 55, 57, 59, 61, 63, 65, 67, 69, 70, 72, + 74, 75, 77, 78, 80, 81, 83, 84, 85, 87, 88, 89, 90, 92, 93, 94, + 95, 96, 97, 99, 100, 101, 102, 104, 105, 106, 108, 109, 111, 113, 114, 116, + 118, 120, 123, 125, 128, 131, 134, 137, 140, 144, 148, 152, 156, 161, 166, 171, + 176, 182, 188, 195, 202, 209, 217, 225, 234, 243, 253, 263, 274, 285, 297, 309, + 322, 336, 350, 365, 381, 397, 414, 432, 450, 470, 490, 511, 533, 556, 579, 604, + 630, 656, 684, 713, 742, 773, 805, 838, 873, 908, 945, 983, 1022, 1063, 1105, 1148 +]; +pub const Y2_AC_QUANTS: [i16; 128] = [ + 7, 9, 11, 13, 16, 18, 21, 24, 26, 29, 32, 35, 38, 41, 43, 46, + 49, 52, 55, 58, 61, 64, 66, 69, 72, 74, 77, 79, 82, 84, 86, 88, + 91, 93, 95, 97, 98, 100, 102, 104, 105, 107, 109, 110, 112, 113, 115, 116, + 117, 119, 120, 122, 123, 125, 127, 128, 130, 132, 134, 136, 138, 141, 143, 146, + 149, 152, 155, 158, 162, 166, 171, 175, 180, 185, 191, 197, 204, 210, 218, 226, + 234, 243, 252, 262, 273, 284, 295, 308, 321, 335, 350, 365, 381, 398, 416, 435, + 455, 476, 497, 520, 544, 569, 595, 622, 650, 680, 711, 743, 776, 811, 848, 885, + 925, 965, 1008, 1052, 1097, 1144, 1193, 1244, 1297, 1351, 1407, 1466, 1526, 1588, 1652, 1719 +]; +pub const UV_DC_QUANTS: [i16; 128] = [ + 4, 4, 5, 6, 6, 7, 8, 8, 9, 10, 11, 12, 13, 14, 15, 16, + 17, 18, 19, 20, 21, 22, 23, 23, 24, 25, 26, 27, 28, 29, 30, 31, + 32, 33, 33, 34, 35, 36, 36, 37, 38, 39, 39, 40, 41, 41, 42, 43, + 43, 44, 45, 45, 46, 47, 48, 48, 49, 50, 51, 52, 53, 53, 54, 56, + 57, 58, 59, 60, 62, 63, 65, 66, 68, 70, 72, 74, 76, 79, 81, 84, + 87, 90, 93, 96, 100, 104, 108, 112, 116, 121, 126, 131, 132, 132, 132, 132, + 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, + 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132 +]; +pub const UV_AC_QUANTS: [i16; 128] = [ + 4, 4, 5, 5, 6, 6, 7, 8, 9, 10, 11, 12, 13, 15, 16, 17, + 19, 20, 22, 23, 25, 26, 28, 29, 31, 32, 34, 35, 37, 38, 40, 41, + 42, 44, 45, 46, 48, 49, 50, 51, 53, 54, 55, 56, 57, 58, 59, 61, + 62, 63, 64, 65, 67, 68, 69, 70, 72, 73, 75, 76, 78, 80, 82, 84, + 86, 88, 91, 93, 96, 99, 102, 105, 109, 112, 116, 121, 125, 130, 135, 140, + 146, 152, 158, 165, 172, 180, 188, 196, 205, 214, 224, 234, 245, 256, 268, 281, + 294, 308, 322, 337, 353, 369, 386, 404, 423, 443, 463, 484, 506, 529, 553, 578, + 604, 631, 659, 688, 718, 749, 781, 814, 849, 885, 922, 960, 1000, 1041, 1083, 1127 +]; diff --git a/nihav-duck/src/codecs/vp7dsp.rs b/nihav-duck/src/codecs/vp7dsp.rs new file mode 100644 index 0000000..7341d66 --- /dev/null +++ b/nihav-duck/src/codecs/vp7dsp.rs @@ -0,0 +1,705 @@ +use nihav_core::frame::*; +use nihav_core::codecs::blockdsp::edge_emu; + +fn clip_u8(val: i16) -> u8 { + val.max(0).min(255) as u8 +} + +pub struct IPredContext { + pub left: [u8; 16], + pub has_left: bool, + pub top: [u8; 16], + pub has_top: bool, + pub tl: u8, +} + +impl IPredContext { + pub fn fill(&mut self, src: &[u8], off: usize, stride: usize, tsize: usize, lsize: usize) { + if self.has_top { + for i in 0..tsize { + self.top[i] = src[off - stride + i]; + } + for i in tsize..16 { + self.top[i] = 0x80; + } + } else { + self.top = [0x80; 16]; + } + if self.has_left { + for i in 0..lsize { + self.left[i] = src[off - 1 + i * stride]; + } + for i in lsize..16 { + self.left[i] = 0x80; + } + } else { + self.left = [0x80; 16]; + } + if self.has_top && self.has_left { + self.tl = src[off - stride - 1]; + } else { + self.tl = 0x80; + } + } +} + +impl Default for IPredContext { + fn default() -> Self { + Self { + left: [0x80; 16], + top: [0x80; 16], + tl: 0x80, + has_left: false, + has_top: false, + } + } +} + +const DCT_COEFFS: [i32; 16] = [ + 23170, 23170, 23170, 23170, + 30274, 12540, -12540, -30274, + 23170, -23170, -23170, 23170, + 12540, -30274, 30274, -12540 +]; + +pub fn idct4x4(coeffs: &mut [i16; 16]) { + let mut tmp = [0i16; 16]; + for (src, dst) in coeffs.chunks(4).zip(tmp.chunks_mut(4)) { + let s0 = src[0] as i32; + let s1 = src[1] as i32; + let s2 = src[2] as i32; + let s3 = src[3] as i32; + + let t0 = (s0 + s2).wrapping_mul(23170); + let t1 = (s0 - s2).wrapping_mul(23170); + let t2 = s1.wrapping_mul(30274) + s3.wrapping_mul(12540); + let t3 = s1.wrapping_mul(12540) - s3.wrapping_mul(30274); + + dst[0] = ((t0 + t2) >> 14) as i16; + dst[1] = ((t1 + t3) >> 14) as i16; + dst[2] = ((t1 - t3) >> 14) as i16; + dst[3] = ((t0 - t2) >> 14) as i16; + } + for i in 0..4 { + let s0 = tmp[i + 4 * 0] as i32; + let s1 = tmp[i + 4 * 1] as i32; + let s2 = tmp[i + 4 * 2] as i32; + let s3 = tmp[i + 4 * 3] as i32; + + let t0 = (s0 + s2).wrapping_mul(23170) + 0x20000; + let t1 = (s0 - s2).wrapping_mul(23170) + 0x20000; + let t2 = s1.wrapping_mul(30274) + s3.wrapping_mul(12540); + let t3 = s1.wrapping_mul(12540) - s3.wrapping_mul(30274); + + coeffs[i + 0 * 4] = ((t0 + t2) >> 18) as i16; + coeffs[i + 1 * 4] = ((t1 + t3) >> 18) as i16; + coeffs[i + 2 * 4] = ((t1 - t3) >> 18) as i16; + coeffs[i + 3 * 4] = ((t0 - t2) >> 18) as i16; + } +} + +pub fn idct4x4_dc(coeffs: &mut [i16; 16]) { + let dc = (((((coeffs[0] as i32) * DCT_COEFFS[0]) >> 14) * DCT_COEFFS[0] + 0x20000) >> 18) as i16; + for el in coeffs.iter_mut() { + *el = dc; + } +} + +pub fn add_coeffs4x4(dst: &mut [u8], off: usize, stride: usize, coeffs: &[i16; 16]) { + let dst = &mut dst[off..]; + for (out, src) in dst.chunks_mut(stride).zip(coeffs.chunks(4)) { + for (oel, iel) in out.iter_mut().take(4).zip(src.iter()) { + *oel = clip_u8((*oel as i16) + *iel); + } + } +} +pub fn add_coeffs16x1(dst: &mut [u8], off: usize, coeffs: &[i16; 16]) { + let dst = &mut dst[off..]; + for (oel, iel) in dst.iter_mut().take(16).zip(coeffs.iter()) { + *oel = clip_u8((*oel as i16) + *iel); + } +} + +pub trait IntraPred { + const SIZE: usize; + fn ipred_dc(dst: &mut [u8], mut off: usize, stride: usize, ipred: &IPredContext) { + let dc; + if !ipred.has_left && !ipred.has_top { + dc = 0x80; + } else { + let mut dcsum = 0; + let mut dcshift = match Self::SIZE { + 16 => 3, + _ => 2, + }; + if ipred.has_left { + for el in ipred.left.iter().take(Self::SIZE) { + dcsum += *el as u16; + } + dcshift += 1; + } + if ipred.has_top { + for el in ipred.top.iter().take(Self::SIZE) { + dcsum += *el as u16; + } + dcshift += 1; + } + dc = ((dcsum + (1 << (dcshift - 1))) >> dcshift) as u8; + } + for _ in 0..Self::SIZE { + let out = &mut dst[off..][..Self::SIZE]; + for el in out.iter_mut() { + *el = dc; + } + off += stride; + } + } + fn ipred_v(dst: &mut [u8], mut off: usize, stride: usize, ipred: &IPredContext) { + for _ in 0..Self::SIZE { + let out = &mut dst[off..][..Self::SIZE]; + out.copy_from_slice(&ipred.top[0..Self::SIZE]); + off += stride; + } + } + fn ipred_h(dst: &mut [u8], mut off: usize, stride: usize, ipred: &IPredContext) { + for leftel in ipred.left.iter().take(Self::SIZE) { + let out = &mut dst[off..][..Self::SIZE]; + for el in out.iter_mut() { + *el = *leftel; + } + off += stride; + } + } + fn ipred_tm(dst: &mut [u8], mut off: usize, stride: usize, ipred: &IPredContext) { + let tl = ipred.tl as i16; + for m in 0..Self::SIZE { + for n in 0..Self::SIZE { + dst[off + n] = clip_u8((ipred.left[m] as i16) + (ipred.top[n] as i16) - tl); + } + off += stride; + } + } +} + +pub struct IPred16x16 {} +impl IntraPred for IPred16x16 { const SIZE: usize = 16; } + +pub struct IPred8x8 {} +impl IntraPred for IPred8x8 { const SIZE: usize = 8; } + +macro_rules! load_pred4 { + (topleft; $ipred: expr) => {{ + let tl = $ipred.tl as u16; + let a0 = $ipred.top[0] as u16; + let l0 = $ipred.left[0] as u16; + ((l0 + tl * 2 + a0 + 2) >> 2) as u8 + }}; + (top; $ipred: expr) => {{ + let tl = $ipred.tl as u16; + let a0 = $ipred.top[0] as u16; + let a1 = $ipred.top[1] as u16; + let a2 = $ipred.top[2] as u16; + let a3 = $ipred.top[3] as u16; + let a4 = $ipred.top[4] as u16; + let p0 = ((tl + a0 * 2 + a1 + 2) >> 2) as u8; + let p1 = ((a0 + a1 * 2 + a2 + 2) >> 2) as u8; + let p2 = ((a1 + a2 * 2 + a3 + 2) >> 2) as u8; + let p3 = ((a2 + a3 * 2 + a4 + 2) >> 2) as u8; + (p0, p1, p2, p3) + }}; + (top8; $ipred: expr) => {{ + let t3 = $ipred.top[3] as u16; + let t4 = $ipred.top[4] as u16; + let t5 = $ipred.top[5] as u16; + let t6 = $ipred.top[6] as u16; + let t7 = $ipred.top[7] as u16; + let p4 = ((t3 + t4 * 2 + t5 + 2) >> 2) as u8; + let p5 = ((t4 + t5 * 2 + t6 + 2) >> 2) as u8; + let p6 = ((t5 + t6 * 2 + t7 + 2) >> 2) as u8; + let p7 = ((t6 + t7 * 2 + t7 + 2) >> 2) as u8; + (p4, p5, p6, p7) + }}; + (topavg; $ipred: expr) => {{ + let tl = $ipred.tl as u16; + let a0 = $ipred.top[0] as u16; + let a1 = $ipred.top[1] as u16; + let a2 = $ipred.top[2] as u16; + let a3 = $ipred.top[3] as u16; + let p0 = ((tl + a0 + 1) >> 1) as u8; + let p1 = ((a0 + a1 + 1) >> 1) as u8; + let p2 = ((a1 + a2 + 1) >> 1) as u8; + let p3 = ((a2 + a3 + 1) >> 1) as u8; + (p0, p1, p2, p3) + }}; + (left; $ipred: expr) => {{ + let tl = $ipred.tl as u16; + let l0 = $ipred.left[0] as u16; + let l1 = $ipred.left[1] as u16; + let l2 = $ipred.left[2] as u16; + let l3 = $ipred.left[3] as u16; + let l4 = $ipred.left[4] as u16; + let p0 = ((tl + l0 * 2 + l1 + 2) >> 2) as u8; + let p1 = ((l0 + l1 * 2 + l2 + 2) >> 2) as u8; + let p2 = ((l1 + l2 * 2 + l3 + 2) >> 2) as u8; + let p3 = ((l2 + l3 * 2 + l4 + 2) >> 2) as u8; + (p0, p1, p2, p3) + }}; + (left8; $ipred: expr) => {{ + let l3 = $ipred.left[3] as u16; + let l4 = $ipred.left[4] as u16; + let l5 = $ipred.left[5] as u16; + let l6 = $ipred.left[6] as u16; + let l7 = $ipred.left[7] as u16; + let p4 = ((l3 + l4 * 2 + l5 + 2) >> 2) as u8; + let p5 = ((l4 + l5 * 2 + l6 + 2) >> 2) as u8; + let p6 = ((l5 + l6 * 2 + l7 + 2) >> 2) as u8; + let p7 = ((l6 + l7 * 2 + l7 + 2) >> 2) as u8; + (p4, p5, p6, p7) + }}; + (leftavg; $ipred: expr) => {{ + let tl = $ipred.tl as u16; + let l0 = $ipred.left[0] as u16; + let l1 = $ipred.left[1] as u16; + let l2 = $ipred.left[2] as u16; + let l3 = $ipred.left[3] as u16; + let p0 = ((tl + l0 + 1) >> 1) as u8; + let p1 = ((l0 + l1 + 1) >> 1) as u8; + let p2 = ((l1 + l2 + 1) >> 1) as u8; + let p3 = ((l2 + l3 + 1) >> 1) as u8; + (p0, p1, p2, p3) + }}; +} + +pub struct IPred4x4 {} +impl IPred4x4 { + pub fn ipred_dc(dst: &mut [u8], mut off: usize, stride: usize, ipred: &IPredContext) { + let dc; + let mut dcsum = 0; + for el in ipred.left.iter().take(4) { + dcsum += *el as u16; + } + for el in ipred.top.iter().take(4) { + dcsum += *el as u16; + } + dc = ((dcsum + (1 << 2)) >> 3) as u8; + for _ in 0..4 { + let out = &mut dst[off..][..4]; + for el in out.iter_mut() { + *el = dc; + } + off += stride; + } + } + pub fn ipred_tm(dst: &mut [u8], mut off: usize, stride: usize, ipred: &IPredContext) { + let tl = ipred.tl as i16; + for m in 0..4 { + for n in 0..4 { + dst[off + n] = clip_u8((ipred.left[m] as i16) + (ipred.top[n] as i16) - tl); + } + off += stride; + } + } + pub fn ipred_ve(dst: &mut [u8], mut off: usize, stride: usize, ipred: &IPredContext) { + let (v0, v1, v2, v3) = load_pred4!(top; ipred); + let vert_pred = [v0, v1, v2, v3]; + for _ in 0..4 { + let out = &mut dst[off..][..4]; + out.copy_from_slice(&vert_pred); + off += stride; + } + } + pub fn ipred_he(dst: &mut [u8], mut off: usize, stride: usize, ipred: &IPredContext) { + let (p0, p1, p2, _) = load_pred4!(left; ipred); + let p3 = (((ipred.left[2] as u16) + (ipred.left[3] as u16) * 3 + 2) >> 2) as u8; + let hor_pred = [p0, p1, p2, p3]; + for m in 0..4 { + for n in 0..4 { + dst[off + n] = hor_pred[m]; + } + off += stride; + } + } + pub fn ipred_ld(dst: &mut [u8], mut off: usize, stride: usize, ipred: &IPredContext) { + let (_, p0, p1, p2) = load_pred4!(top; ipred); + let (p3, p4, p5, p6) = load_pred4!(top8; ipred); + + dst[off + 0] = p0; dst[off + 1] = p1; dst[off + 2] = p2; dst[off + 3] = p3; + off += stride; + dst[off + 0] = p1; dst[off + 1] = p2; dst[off + 2] = p3; dst[off + 3] = p4; + off += stride; + dst[off + 0] = p2; dst[off + 1] = p3; dst[off + 2] = p4; dst[off + 3] = p5; + off += stride; + dst[off + 0] = p3; dst[off + 1] = p4; dst[off + 2] = p5; dst[off + 3] = p6; + } + pub fn ipred_rd(dst: &mut [u8], mut off: usize, stride: usize, ipred: &IPredContext) { + let tl = load_pred4!(topleft; ipred); + let (l0, l1, l2, _) = load_pred4!(left; ipred); + let (t0, t1, t2, _) = load_pred4!(top; ipred); + + dst[off + 0] = tl; dst[off + 1] = t0; dst[off + 2] = t1; dst[off + 3] = t2; + off += stride; + dst[off + 0] = l0; dst[off + 1] = tl; dst[off + 2] = t0; dst[off + 3] = t1; + off += stride; + dst[off + 0] = l1; dst[off + 1] = l0; dst[off + 2] = tl; dst[off + 3] = t0; + off += stride; + dst[off + 0] = l2; dst[off + 1] = l1; dst[off + 2] = l0; dst[off + 3] = tl; + } + pub fn ipred_vr(dst: &mut [u8], mut off: usize, stride: usize, ipred: &IPredContext) { + let tl = load_pred4!(topleft; ipred); + let (l0, l1, _, _) = load_pred4!(left; ipred); + let (t0, t1, t2, _) = load_pred4!(top; ipred); + let (m0, m1, m2, m3) = load_pred4!(topavg; ipred); + + dst[off + 0] = m0; dst[off + 1] = m1; dst[off + 2] = m2; dst[off + 3] = m3; + off += stride; + dst[off + 0] = tl; dst[off + 1] = t0; dst[off + 2] = t1; dst[off + 3] = t2; + off += stride; + dst[off + 0] = l0; dst[off + 1] = m0; dst[off + 2] = m1; dst[off + 3] = m2; + off += stride; + dst[off + 0] = l1; dst[off + 1] = tl; dst[off + 2] = t0; dst[off + 3] = t1; + } + pub fn ipred_vl(dst: &mut [u8], mut off: usize, stride: usize, ipred: &IPredContext) { + let (_, t1, t2, t3) = load_pred4!(top; ipred); + let (t4, t5, t6, _) = load_pred4!(top8; ipred); + let (_, m1, m2, m3) = load_pred4!(topavg; ipred); + let m4 = (((ipred.top[3] as u16) + (ipred.top[4] as u16) + 1) >> 1) as u8; + + dst[off + 0] = m1; dst[off + 1] = m2; dst[off + 2] = m3; dst[off + 3] = m4; + off += stride; + dst[off + 0] = t1; dst[off + 1] = t2; dst[off + 2] = t3; dst[off + 3] = t4; + off += stride; + dst[off + 0] = m2; dst[off + 1] = m3; dst[off + 2] = m4; dst[off + 3] = t5; + off += stride; + dst[off + 0] = t2; dst[off + 1] = t3; dst[off + 2] = t4; dst[off + 3] = t6; + } + pub fn ipred_hd(dst: &mut [u8], mut off: usize, stride: usize, ipred: &IPredContext) { + let tl = load_pred4!(topleft; ipred); + let (l0, l1, l2, _) = load_pred4!(left; ipred); + let (m0, m1, m2, m3) = load_pred4!(leftavg; ipred); + let (t0, t1, _, _) = load_pred4!(top; ipred); + + dst[off + 0] = m0; dst[off + 1] = tl; dst[off + 2] = t0; dst[off + 3] = t1; + off += stride; + dst[off + 0] = m1; dst[off + 1] = l0; dst[off + 2] = m0; dst[off + 3] = tl; + off += stride; + dst[off + 0] = m2; dst[off + 1] = l1; dst[off + 2] = m1; dst[off + 3] = l0; + off += stride; + dst[off + 0] = m3; dst[off + 1] = l2; dst[off + 2] = m2; dst[off + 3] = l1; + } + pub fn ipred_hu(dst: &mut [u8], mut off: usize, stride: usize, ipred: &IPredContext) { + let (_, m1, m2, m3) = load_pred4!(leftavg; ipred); + let (_, l1, l2, _) = load_pred4!(left; ipred); + let l3 = (((ipred.left[2] as u16) + (ipred.left[3] as u16) * 3 + 2) >> 2) as u8; + let p3 = ipred.left[3]; + + dst[off + 0] = m1; dst[off + 1] = l1; dst[off + 2] = m2; dst[off + 3] = l2; + off += stride; + dst[off + 0] = m2; dst[off + 1] = l2; dst[off + 2] = m3; dst[off + 3] = l3; + off += stride; + dst[off + 0] = m3; dst[off + 1] = l3; dst[off + 2] = p3; dst[off + 3] = p3; + off += stride; + dst[off + 0] = p3; dst[off + 1] = p3; dst[off + 2] = p3; dst[off + 3] = p3; + } +} + +fn delta(p1: i16, p0: i16, q0: i16, q1: i16) -> i16 { + (p1 - q1) + 3 * (q0 - p0) +} + +pub type LoopFilterFunc = fn(buf: &mut [u8], off: usize, step: usize, stride: usize, len: usize, thr: i16, thr_inner: i16, thr_hev: i16); + +pub fn simple_loop_filter(buf: &mut [u8], mut off: usize, step: usize, stride: usize, len: usize, thr: i16, _thr_inner: i16, _thr_hev: i16) { + for _ in 0..len { + let p1 = buf[off - step * 2] as i16; + let p0 = buf[off - step * 1] as i16; + let q0 = buf[off + step * 0] as i16; + let q1 = buf[off + step * 1] as i16; + let dpq = p0 - q0; + if dpq.abs() < thr { + let diff = delta(p1, p0, q0, q1); + let diffq0 = (diff.min(127) + 4) >> 3; + let diffp0 = diffq0 - if (diff & 7) == 4 { 1 } else { 0 }; + buf[off - step * 1] = clip_u8(p0 + diffp0); + buf[off + step * 0] = clip_u8(q0 - diffq0); + } + off += stride; + } +} + +fn normal_loop_filter(buf: &mut [u8], mut off: usize, step: usize, stride: usize, len: usize, thr: i16, thr_inner: i16, thr_hev: i16, edge: bool) { + for _ in 0..len { + let p0 = buf[off - step * 1] as i16; + let q0 = buf[off + step * 0] as i16; + let dpq = p0 - q0; + if dpq.abs() <= thr { + let p3 = buf[off - step * 4] as i16; + let p2 = buf[off - step * 3] as i16; + let p1 = buf[off - step * 2] as i16; + let q1 = buf[off + step * 1] as i16; + let q2 = buf[off + step * 2] as i16; + let q3 = buf[off + step * 3] as i16; + let dp2 = p3 - p2; + let dp1 = p2 - p1; + let dp0 = p1 - p0; + let dq0 = q1 - q0; + let dq1 = q2 - q1; + let dq2 = q3 - q2; + if (dp0.abs() <= thr_inner) && (dp1.abs() <= thr_inner) && + (dp2.abs() <= thr_inner) && (dq0.abs() <= thr_inner) && + (dq1.abs() <= thr_inner) && (dq2.abs() <= thr_inner) { + let high_edge_variation = (dp0.abs() > thr_hev) || (dq0.abs() > thr_hev); + if high_edge_variation { + let diff = delta(p1, p0, q0, q1); + let diffq0 = (diff.min(127) + 4) >> 3; + let diffp0 = diffq0 - if (diff & 7) == 4 { 1 } else { 0 }; + buf[off - step * 1] = clip_u8(p0 + diffp0); + buf[off + step * 0] = clip_u8(q0 - diffq0); + } else if edge { + let d = delta(p1, p0, q0, q1); + let diff0 = (d * 27 + 63) >> 7; + buf[off - step * 1] = clip_u8(p0 + diff0); + buf[off + step * 0] = clip_u8(q0 - diff0); + let diff1 = (d * 18 + 63) >> 7; + buf[off - step * 2] = clip_u8(p1 + diff1); + buf[off + step * 1] = clip_u8(q1 - diff1); + let diff2 = (d * 9 + 63) >> 7; + buf[off - step * 3] = clip_u8(p2 + diff2); + buf[off + step * 2] = clip_u8(q2 - diff2); + } else { + let diff = 3 * (q0 - p0); + let diffq0 = (diff.min(127) + 4) >> 3; + let diffp0 = diffq0 - if (diff & 7) == 4 { 1 } else { 0 }; + buf[off - step * 1] = clip_u8(p0 + diffp0); + buf[off + step * 0] = clip_u8(q0 - diffq0); + let diff2 = (diffq0 + 1) >> 1; + buf[off - step * 2] = clip_u8(p1 + diff2); + buf[off + step * 1] = clip_u8(q1 - diff2); + } + } + } + off += stride; + } +} + +pub fn normal_loop_filter_inner(buf: &mut [u8], off: usize, step: usize, stride: usize, len: usize, thr: i16, thr_inner: i16, thr_hev: i16) { + normal_loop_filter(buf, off, step, stride, len, thr, thr_inner, thr_hev, false); +} + +pub fn normal_loop_filter_edge(buf: &mut [u8], off: usize, step: usize, stride: usize, len: usize, thr: i16, thr_inner: i16, thr_hev: i16) { + normal_loop_filter(buf, off, step, stride, len, thr, thr_inner, thr_hev, true); +} + +const VP7_BICUBIC_FILTERS: [[i16; 6]; 8] = [ + [ 0, 0, 128, 0, 0, 0 ], + [ 0, -6, 123, 12, -1, 0 ], + [ 2, -11, 108, 36, -8, 1 ], + [ 0, -9, 93, 50, -6, 0 ], + [ 3, -16, 77, 77, -16, 3 ], + [ 0, -6, 50, 93, -9, 0 ], + [ 1, -8, 36, 108, -11, 2 ], + [ 0, -1, 12, 123, -6, 0 ] +]; + +macro_rules! interpolate { + ($src: expr, $off: expr, $step: expr, $mode: expr) => {{ + let s0 = $src[$off + 0 * $step] as i32; + let s1 = $src[$off + 1 * $step] as i32; + let s2 = $src[$off + 2 * $step] as i32; + let s3 = $src[$off + 3 * $step] as i32; + let s4 = $src[$off + 4 * $step] as i32; + let s5 = $src[$off + 5 * $step] as i32; + let filt = &VP7_BICUBIC_FILTERS[$mode]; + let src = [s0, s1, s2, s3, s4, s5]; + let mut val = 64; + for (s, c) in src.iter().zip(filt.iter()) { + val += s * (*c as i32); + } + clip_u8((val >> 7) as i16) + }} +} + +const EDGE_PRE: usize = 2; +const EDGE_POST: usize = 4; +const TMP_STRIDE: usize = 16; + +fn mc_block_common(dst: &mut [u8], mut doff: usize, dstride: usize, src: &[u8], sstride: usize, size: usize, mx: usize, my: usize) { + if (mx == 0) && (my == 0) { + let dst = &mut dst[doff..]; + let src = &src[EDGE_PRE + EDGE_PRE * sstride..]; + for (out, src) in dst.chunks_mut(dstride).take(size).zip(src.chunks(sstride)) { + (&mut out[0..size]).copy_from_slice(&src[0..size]); + } + } else if my == 0 { + let src = &src[EDGE_PRE * sstride..]; + for src in src.chunks(sstride).take(size) { + for x in 0..size { + dst[doff + x] = interpolate!(src, x, 1, mx); + } + doff += dstride; + } + } else if mx == 0 { + let src = &src[EDGE_PRE..]; + for y in 0..size { + for x in 0..size { + dst[doff + x] = interpolate!(src, x + y * sstride, sstride, my); + } + doff += dstride; + } + } else { + let mut tmp = [0u8; TMP_STRIDE * (16 + EDGE_PRE + EDGE_POST)]; + for (y, dst) in tmp.chunks_mut(TMP_STRIDE).take(size + EDGE_PRE + EDGE_POST).enumerate() { + for x in 0..size { + dst[x] = interpolate!(src, x + y * sstride, 1, mx); + } + } + for y in 0..size { + for x in 0..size { + dst[doff + x] = interpolate!(tmp, x + y * TMP_STRIDE, TMP_STRIDE, my); + } + doff += dstride; + } + } +} +fn mc_block(dst: &mut [u8], doff: usize, dstride: usize, xpos: usize, ypos: usize, + mvx: i16, mvy: i16, reffrm: NAVideoBufferRef, plane: usize, + mc_buf: &mut [u8], size: usize) { + if (mvx == 0) && (mvy == 0) { + let dst = &mut dst[doff..]; + let sstride = reffrm.get_stride(plane); + let srcoff = reffrm.get_offset(plane) + xpos + ypos * sstride; + let src = &reffrm.get_data(); + let src = &src[srcoff..]; + for (out, src) in dst.chunks_mut(dstride).take(size).zip(src.chunks(sstride)) { + (&mut out[0..size]).copy_from_slice(&src[0..size]); + } + return; + } + let (w, h) = reffrm.get_dimensions(plane); + let wa = if plane == 0 { ((w + 15) & !15) } else { ((w + 7) & !7) } as isize; + let ha = if plane == 0 { ((h + 15) & !15) } else { ((h + 7) & !7) } as isize; + let bsize = (size as isize) + (EDGE_PRE as isize) + (EDGE_POST as isize); + let ref_x = (xpos as isize) + ((mvx >> 3) as isize) - (EDGE_PRE as isize); + let ref_y = (ypos as isize) + ((mvy >> 3) as isize) - (EDGE_PRE as isize); + + let (src, sstride) = if (ref_x < 0) || (ref_x + bsize > wa) || (ref_y < 0) || (ref_y + bsize > ha) { + edge_emu(&reffrm, ref_x, ref_y, bsize as usize, bsize as usize, mc_buf, 32, plane); + (mc_buf as &[u8], 32) + } else { + let off = reffrm.get_offset(plane); + let stride = reffrm.get_stride(plane); + let data = reffrm.get_data(); + (&data[off + (ref_x as usize) + (ref_y as usize) * stride..], stride) + }; + let mx = (mvx & 7) as usize; + let my = (mvy & 7) as usize; + mc_block_common(dst, doff, dstride, src, sstride, size, mx, my); +} +pub fn mc_block16x16(dst: &mut [u8], doff: usize, dstride: usize, xpos: usize, ypos: usize, + mvx: i16, mvy: i16, src: NAVideoBufferRef, plane: usize, mc_buf: &mut [u8]) { + mc_block(dst, doff, dstride, xpos, ypos, mvx, mvy, src, plane, mc_buf, 16); +} +pub fn mc_block8x8(dst: &mut [u8], doff: usize, dstride: usize, xpos: usize, ypos: usize, + mvx: i16, mvy: i16, src: NAVideoBufferRef, plane: usize, mc_buf: &mut [u8]) { + mc_block(dst, doff, dstride, xpos, ypos, mvx, mvy, src, plane, mc_buf, 8); +} +pub fn mc_block4x4(dst: &mut [u8], doff: usize, dstride: usize, xpos: usize, ypos: usize, + mvx: i16, mvy: i16, src: NAVideoBufferRef, plane: usize, mc_buf: &mut [u8]) { + mc_block(dst, doff, dstride, xpos, ypos, mvx, mvy, src, plane, mc_buf, 4); +} +pub fn mc_block_special(dst: &mut [u8], doff: usize, dstride: usize, xpos: usize, ypos: usize, + mvx: i16, mvy: i16, reffrm: NAVideoBufferRef, plane: usize, + mc_buf: &mut [u8], size: usize, pitch_mode: u8) { + const Y_MUL: [isize; 8] = [ 1, 0, 2, 4, 1, 1, 2, 2 ]; + const Y_OFF: [isize; 8] = [ 0, 4, 0, 0, 1, -1, 1, -1 ]; + const ILACE_CHROMA: [bool; 8] = [ false, false, true, true, false, false, true, true ]; // mode&2 != 0 + + let pitch_mode = (pitch_mode & 7) as usize; + let (xstep, ymul) = if plane == 0 { + (Y_OFF[pitch_mode], Y_MUL[pitch_mode]) + } else { + (0, if ILACE_CHROMA[pitch_mode] { 2 } else { 1 }) + }; + + let (w, h) = reffrm.get_dimensions(plane); + let wa = if plane == 0 { ((w + 15) & !15) } else { ((w + 7) & !7) } as isize; + let ha = if plane == 0 { ((h + 15) & !15) } else { ((h + 7) & !7) } as isize; + let start_x = (xpos as isize) - (EDGE_PRE as isize) * xstep; + let end_x = (xpos as isize) + ((size + EDGE_POST) as isize) * xstep; + let start_y = (ypos as isize) - (EDGE_PRE as isize) * ymul; + let end_y = (ypos as isize) + ((size + EDGE_POST) as isize) * ymul; + let off = reffrm.get_offset(plane); + let stride = reffrm.get_stride(plane); + let (src, sstride) = if (start_x >= 0) && (end_x <= wa) && (start_y >= 0) && (end_y <= ha) { + let data = reffrm.get_data(); + (&data[off + (start_x as usize) + (start_y as usize) * stride..], + ((stride as isize) + xstep) as usize) + } else { + let add = (size + EDGE_PRE + EDGE_POST) * (xstep.abs() as usize); + let bw = size + EDGE_PRE + EDGE_POST + add; + let bh = (end_y - start_y) as usize; + let bo = if xstep >= 0 { 0 } else { add }; + edge_emu(&reffrm, start_x + (bo as isize), start_y, bw, bh, mc_buf, 128, plane); + (&mc_buf[bo..], (128 + xstep) as usize) + }; + let mx = (mvx & 7) as usize; + let my = (mvy & 7) as usize; + match ymul { + 0 => unimplemented!(), + 1 => mc_block_common(dst, doff, dstride, src, sstride, size, mx, my), + 2 => { + let hsize = size / 2; + for y in 0..2 { + for x in 0..2 { + mc_block_common(dst, doff + x * hsize + y * hsize * dstride, dstride, + &src[x * hsize + y * sstride..], sstride * 2, hsize, mx, my); + } + } + }, + 4 => { + let qsize = size / 4; + for y in 0..4 { + for x in 0..4 { + mc_block_common(dst, doff + x * qsize + y * qsize * dstride, dstride, + &src[x * qsize + y * sstride..], sstride * 4, qsize, mx, my); + } + } + }, + _ => unreachable!(), + }; +} + +pub fn fade_frame(srcfrm: NAVideoBufferRef, dstfrm: &mut NASimpleVideoFrame, alpha: u16, beta: u16) { + let mut fade_lut = [0u8; 256]; + for (i, el) in fade_lut.iter_mut().enumerate() { + let y = i as u16; + *el = (y + ((y * beta) >> 8) + alpha).max(0).min(255) as u8; + } + + let (w, h) = srcfrm.get_dimensions(0); + let (wa, ha) = ((w + 15) & !15, (h + 15) & !15); + let soff = srcfrm.get_offset(0); + let sstride = srcfrm.get_stride(0); + let sdata = srcfrm.get_data(); + let src = &sdata[soff..]; + let dstride = dstfrm.stride[0]; + let dst = &mut dstfrm.data[dstfrm.offset[0]..]; + for (src, dst) in src.chunks(sstride).zip(dst.chunks_mut(dstride)).take(ha) { + for (s, d) in src.iter().zip(dst.iter_mut()).take(wa) { + *d = fade_lut[*s as usize]; + } + } + + for plane in 1..3 { + let (w, h) = srcfrm.get_dimensions(plane); + let (wa, ha) = ((w + 7) & !7, (h + 7) & !7); + let soff = srcfrm.get_offset(plane); + let sstride = srcfrm.get_stride(plane); + let sdata = srcfrm.get_data(); + let src = &sdata[soff..]; + let dstride = dstfrm.stride[plane]; + let dst = &mut dstfrm.data[dstfrm.offset[plane]..]; + for (src, dst) in src.chunks(sstride).zip(dst.chunks_mut(dstride)).take(ha) { + (&mut dst[0..wa]).copy_from_slice(&src[0..wa]); + } + } +} diff --git a/nihav-duck/src/codecs/vpcommon.rs b/nihav-duck/src/codecs/vpcommon.rs index 3caf569..562a9a2 100644 --- a/nihav-duck/src/codecs/vpcommon.rs +++ b/nihav-duck/src/codecs/vpcommon.rs @@ -120,6 +120,20 @@ impl<'a> BoolCoder<'a> { } val } + pub fn read_byte(&mut self) -> u8 { + let mut val = 0u8; + for _ in 0..8 { + val = (val << 1) | (self.read_prob(128) as u8); + } + val + } + pub fn read_sbits(&mut self, bits: u8) -> i32 { + let mut val = if self.read_prob(128) { -1i32 } else { 0i32 }; + for _ in 1..bits { + val = (val << 1) | (self.read_prob(128) as i32); + } + val + } pub fn read_probability(&mut self) -> u8 { let val = self.read_bits(7) as u8; if val == 0 {