X-Git-Url: https://git.nihav.org/?a=blobdiff_plain;f=src%2Fcodecs%2Freal%2Frv60.rs;fp=src%2Fcodecs%2Freal%2Frv60.rs;h=bc1a1496ca57bc8d8c2ea70cb94491042f085e02;hb=52aad9fed3d4cfb4243fdd54522aa28d40068fad;hp=0000000000000000000000000000000000000000;hpb=26488721a0cdb26c33f4e35f177c40fb81984346;p=nihav.git diff --git a/src/codecs/real/rv60.rs b/src/codecs/real/rv60.rs new file mode 100644 index 0000000..bc1a149 --- /dev/null +++ b/src/codecs/real/rv60.rs @@ -0,0 +1,1490 @@ +use std::rc::Rc; +use std::cell::RefCell; +use formats::YUV420_FORMAT; +use frame::*; +use codecs::{NADecoder, MV, ZERO_MV, DecoderError, DecoderResult, IPBShuffler}; +use io::byteio::{MemoryReader,ByteReader}; +use io::bitreader::{BitReader,BitReaderMode}; +use io::intcode::*; + +use super::rv60codes::*; +use super::rv60dsp::*; + +struct UniqueList { + list: [A; 4], + fill: usize, + max_size: usize, +} + +impl UniqueList { + fn new(max_size: usize) -> Self { + Self { list: [A::default(); 4], fill: 0, max_size } + } + fn add(&mut self, cand: A) { + if self.fill == self.max_size { return; } + let mut unique = true; + for el in self.list.into_iter().take(self.fill) { + if *el == cand { + unique = false; + break; + } + } + if unique { + self.list[self.fill] = cand; + self.fill += 1; + } + } +} + +const RV60_FRAME_TYPES: [FrameType; 4] = [ FrameType::I, FrameType::P, FrameType::B, FrameType::Other ]; +const MAX_IMODE: u8 = 34; + +#[derive(Clone,Copy,Debug)] +struct FrameHeader { + profile: u8, + ftype: FrameType, + qp: u8, + osvquant: u8, + ts: u32, + width: usize, + height: usize, + two_f_refs: bool, + qp_off_type: u8, + deblock: bool, + deblock_chroma: bool, +} + +const RV60_CUSTOM_MSG_LENS: [u32; 4] = [ 2, 4, 16, 32 ]; +impl FrameHeader { + fn read(br: &mut BitReader) -> DecoderResult { + let marker = br.read(2)?; + validate!(marker == 3); + let profile = br.read(2)? as u8; + validate!(profile == 0); + let _someval = br.read(4)?; + let ftypeid = br.read(2)? as usize; + let ftype = RV60_FRAME_TYPES[ftypeid]; + let qp = br.read(6)? as u8; + let marker = br.read(1)?; + validate!(marker == 0); + let toolset = br.read(2)?; + validate!(toolset == 0); + let osvquant = br.read(2)? as u8; + let _some_flag = br.read_bool()?; + let _some_val = br.read(2)?; + let ts = br.read(24)?; + let width = ((br.read(11)? as usize) + 1) * 4; + let height = ((br.read(11)? as usize) + 0) * 4; + validate!(height > 0); + let _some_flag = br.read_bool()?; + let two_f_refs; + if ftype == FrameType::I { +//byte17 = 0 + two_f_refs = false; + } else { + let flag = br.read_bool()?; + if flag { // untested + br.skip(1)?; + br.skip(1)?; + br.skip(1)?; + } +//byte17 = flag? + two_f_refs = br.read_bool()?; + } +// if byte17 { dw40 = 2; dw3C = 2; } else { dw40 = 1; dw3C = 1; } + let _some_val = br.read_code(UintCodeType::Unary012)?; // luma_qp_diff? + let chroma_qp_diff = br.read(1)?; + validate!(chroma_qp_diff == 0); + let qp_off_type = br.read_code(UintCodeType::Unary012)? as u8; + let deblock = br.read_bool()?; + let deblock_chroma = deblock && !br.read_bool()?; + if br.read_bool()? { + let custom_msg_hdr_len = br.read(2)? as usize; + if custom_msg_hdr_len != 0 { + for i in 0..custom_msg_hdr_len { + br.skip(RV60_CUSTOM_MSG_LENS[i] * 8)?; + } + } + } + + Ok(FrameHeader { + profile, ftype, qp, osvquant, ts, width, height, two_f_refs, qp_off_type, + deblock, deblock_chroma, + }) + } + fn parse_slice_sizes(&self, br: &mut BitReader, sizes: &mut Vec) -> DecoderResult<()> { + let nslices = self.get_height_cu(); + let nbits = (br.read(5)? as u8) + 1; + validate!(nbits < 32); + let mut signs: Vec = Vec::with_capacity(nslices); + for _ in 0..nslices { + let sign = br.read_bool()?; + signs.push(sign); + } + validate!(signs[0]); + sizes.truncate(0); + let mut sum = 0; + let first_size = br.read(nbits)? as usize; + validate!(first_size > 0); + sum += first_size; + let mut lastsize = first_size; + sizes.push(first_size); + for i in 1..nslices { + let diff = br.read(nbits)? as isize; + let size; + if signs[i] { + let sum = (lastsize as isize).checked_add(diff); + validate!(sum.is_some()); + size = sum.unwrap() as usize; + } else { + let sum = (lastsize as isize).checked_sub(diff); + validate!(sum.is_some()); + size = sum.unwrap() as usize; + } + sizes.push(size); + sum += size; + lastsize = size; + } + br.align(); +if ((br.left() >> 3) as usize) != sum { +println!(" left {} / {}", br.left() >> 3, sum); +} + validate!((br.left() >> 3) >= (sum as isize)); + Ok(()) + } + fn read_line_qp_offset(&self, br: &mut BitReader) -> DecoderResult { + match self.qp_off_type { + 0 => Ok(0), + 1 => { + let val = br.read_code(UintCodeType::Unary012)?; + if val != 2 { + Ok(val as i8) + } else { + Ok(-1) + } + }, + _ => { + if br.read(1)? == 0 { + Ok(0) + } else { + let val = br.read(2)? as i8; + if (val & 2) == 0 { + Ok(val + 1) + } else { + Ok(-((val & 1) + 1)) + } + } + }, + } + } + fn get_width_cu(&self) -> usize { + (self.width + 63) >> 6 + } + fn get_height_cu(&self) -> usize { + (self.height + 63) >> 6 + } + fn has_top_block(&self, xpos: usize, ypos: usize, dx: usize, dy: usize, size: usize) -> bool { + if (ypos + dy) == 0 { return false; } + let xpos2 = xpos + dx; + if (xpos2 + size) > self.width { return false; } + true + } + fn has_top_right_block(&self, xpos: usize, ypos: usize, dx: usize, dy: usize, size: usize) -> bool { + if (ypos + dy) == 0 { return false; } + let xpos2 = xpos + dx; + if (xpos2 + size * 2) > self.width { return false; } + let cxpos = ((xpos + dx) & 63) >> RV60_BLOCK_LOG2[size]; + let cypos = ((ypos + dy) & 63) >> RV60_BLOCK_LOG2[size]; + ((cypos as u8) & RV60_AVAIL_MASK[cxpos]) == 0 + } + fn has_left_block(&self, xpos: usize, ypos: usize, dx: usize, dy: usize, size: usize) -> bool { + if (xpos + dx) == 0 { return false; } + let ypos2 = ypos + dy; + if (ypos2 + size) > self.height { return false; } + true + } + fn has_left_down_block(&self, xpos: usize, ypos: usize, dx: usize, dy: usize, size: usize) -> bool { + if (xpos + dx) == 0 { return false; } + let ypos2 = ypos + dy; + if (ypos2 + size * 2) > self.height { return false; } + let cxpos = (!(xpos + dx) & 63) >> RV60_BLOCK_LOG2[size]; + let cypos = (!(ypos + dy) & 63) >> RV60_BLOCK_LOG2[size]; + ((cypos as u8) & RV60_AVAIL_MASK[cxpos]) >= 1 + } +} + +const RV60_BLOCK_LOG2: [u8; 65] = [ + 0, + 0, 1, 0, 2, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 4, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6 +]; +const RV60_AVAIL_MASK: [u8; 64] = [ + 0, 1, 0, 3, 0, 1, 0, 7, 0, 1, 0, 3, 0, 1, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 +]; + +#[derive(Clone,Copy,PartialEq,Debug)] +enum CUType { + Intra, + InterMV, + Skip, + InterNoMV, +} + +impl Default for CUType { + fn default() -> Self { CUType::Intra } +} + +const RV60_CU_TYPES: [CUType; 4] = [ CUType::Intra, CUType::InterMV, CUType::Skip, CUType::InterNoMV ]; + +#[derive(Clone,Copy,PartialEq,Debug)] +enum PUType { + Full, + N2Hor, + N2Ver, + Quarters, + N4Hor, + N34Hor, + N4Ver, + N34Ver, +} + +const RV60_PU_TYPES: [PUType; 8] = [ + PUType::Full, PUType::N2Hor, PUType::N2Ver, PUType::Quarters, + PUType::N4Hor, PUType::N34Hor, PUType::N4Ver, PUType::N34Ver, +]; + +impl PUType { + fn get_num_mvs(&self) -> usize { + match *self { + PUType::Full => 1, + PUType::Quarters => 4, + _ => 2, + } + } + fn get_mv_size(&self, part_no: usize, size: usize) -> (usize, usize) { + let mv_size = size >> 2; + match *self { + PUType::Full => (mv_size, mv_size), + PUType::N2Hor => (mv_size, mv_size >> 1), + PUType::N2Ver => (mv_size >> 1, mv_size), + PUType::Quarters => (mv_size >> 1, mv_size >> 1), + PUType::N4Hor => { + if part_no == 0 { + (mv_size, mv_size >> 2) + } else { + (mv_size, 3 * mv_size >> 2) + } + }, + PUType::N34Hor => { + if part_no == 0 { + (mv_size, 3 * mv_size >> 2) + } else { + (mv_size, mv_size >> 2) + } + }, + PUType::N4Ver => { + if part_no == 0 { + ( mv_size >> 2, mv_size) + } else { + (3 * mv_size >> 2, mv_size) + } + }, + PUType::N34Ver => { + if part_no == 0 { + (3 * mv_size >> 2, mv_size) + } else { + ( mv_size >> 2, mv_size) + } + }, + } + } + fn has_hor_split(&self) -> bool { + match *self { + PUType::N2Hor | PUType::N4Hor | PUType::N34Hor | PUType::Quarters => true, + _ => false, + } + } + fn has_ver_split(&self) -> bool { + match *self { + PUType::N2Ver | PUType::N4Ver | PUType::N34Ver | PUType::Quarters => true, + _ => false, + } + } +} + +impl Default for PUType { + fn default() -> Self { PUType::Full } +} + +#[derive(Clone,Copy,Debug)] +enum IntraMode { + Index(u8), + Mode(u8), + DC64, + Plane64, +} + +#[derive(Clone,Copy,PartialEq,Debug)] +enum TransformType { + None, + T4X4, + T8X8, + T16X16, +} + +impl Default for TransformType { + fn default() -> Self { TransformType::None } +} + +#[derive(Clone,Copy,PartialEq,Debug)] +enum MVRef { + None, + Ref0, + Ref1, + BRef, + Ref0AndBRef, + Skip0, + Skip1, + Skip2, + Skip3, +} + +const SKIP_MV_REF: [MVRef; 4] = [ MVRef::Skip0, MVRef::Skip1, MVRef::Skip2, MVRef::Skip3 ]; + +impl MVRef { + fn get_skip_mv_num(&self) -> usize { + match *self { + MVRef::Skip1 => 1, + MVRef::Skip2 => 2, + MVRef::Skip3 => 3, + _ => 0, + } + } + fn is_ref0(&self) -> bool { + match *self { + MVRef::Ref0 | MVRef::Ref0AndBRef => true, + _ => false, + } + } + fn is_fwd(&self) -> bool { + match *self { + MVRef::Ref0 | MVRef::Ref1 | MVRef::Ref0AndBRef => true, + _ => false, + } + } + fn is_bwd(&self) -> bool { + match *self { + MVRef::BRef | MVRef::Ref0AndBRef => true, + _ => false, + } + } +} + +#[derive(Clone,Copy,PartialEq,Debug)] +struct MVInfo { + f_mv: MV, + b_mv: MV, + mvref: MVRef, +} + +impl MVInfo { + fn is_some(&self) -> bool { self.mvref != MVRef::None } + fn matches_fwd(&self, mvref: MVRef) -> bool { + (self.mvref == mvref) || (self.mvref.is_ref0() && mvref.is_ref0()) + } + fn matches_bwd(&self, mvref: MVRef) -> bool { + self.mvref.is_bwd() && mvref.is_bwd() + } + fn is_deblock_cand(&self, other: &MVInfo) -> bool { + if self.mvref != other.mvref { return true; } + let mut mvdiff = 0; + if self.mvref.is_fwd() { + let diff = self.f_mv - other.f_mv; + mvdiff += diff.x.abs() + diff.y.abs(); + } + if self.mvref.is_bwd() { + let diff = self.b_mv - other.b_mv; + mvdiff += diff.x.abs() + diff.y.abs(); + } + mvdiff > 4 + } +} + +impl Default for MVInfo { + fn default() -> Self { Self { f_mv: ZERO_MV, b_mv: ZERO_MV, mvref: MVRef::None } } +} + +#[derive(Clone,Copy,Debug)] +struct CBHeader { + cu_type: CUType, + pu_type: PUType, + ttype: TransformType, + imode: [IntraMode; 4], + mv: [MVInfo; 4], +} + +impl CBHeader { + fn read(br: &mut BitReader, ftype: FrameType, two_f_refs: bool, size: usize) -> DecoderResult { + let cu_type; + let pu_type; + let mut imode: [IntraMode; 4] = [IntraMode::Index(0); 4]; + let mut mv: [MVInfo; 4] = [MVInfo::default(); 4]; + if ftype == FrameType::I { + cu_type = CUType::Intra; + } else { + cu_type = RV60_CU_TYPES[br.read(2)? as usize]; + } + match cu_type { + CUType::Intra => { + if (size == 8) && br.read_bool()? { + pu_type = PUType::Quarters; + } else { + pu_type = PUType::Full; + } + if pu_type == PUType::Quarters { + for i in 0..4 { + imode[i] = CBHeader::read_intra_mode(br)?; + } + } else if size <= 32 { + imode[0] = CBHeader::read_intra_mode(br)?; + } else { + if !br.read_bool()? { + imode[0] = IntraMode::DC64; + } else { + imode[0] = IntraMode::Plane64; + } + } + }, + CUType::InterMV => { + let bits = if size == 8 { 2 } else { 3 }; + pu_type = RV60_PU_TYPES[br.read(bits)? as usize]; + CBHeader::read_mv_data(br, ftype, two_f_refs, size, pu_type, &mut mv)?; + }, + _ => { + pu_type = PUType::Full; + let skip_mv_no = br.read_code(UintCodeType::LimitedUnary(3, 0))?; + mv[0].mvref = SKIP_MV_REF[skip_mv_no as usize]; + }, + }; + let ttype; + if cu_type == CUType::Skip { + ttype = TransformType::None; + } else if size >= 32 { + ttype = TransformType::T16X16; + } else if size == 16 { + if (cu_type == CUType::Intra) || (pu_type == PUType::Full) { + ttype = TransformType::T16X16; + } else { + ttype = TransformType::T4X4; + } + } else { + if pu_type == PUType::Full { + ttype = TransformType::T8X8; + } else { + ttype = TransformType::T4X4; + } + } + Ok(Self { + cu_type, pu_type, ttype, imode, mv, + }) + } + fn read_intra_mode(br: &mut BitReader) -> DecoderResult { + if br.read_bool()? { + let idx = br.read_code(UintCodeType::Unary012)? as u8; + Ok(IntraMode::Index(idx)) + } else { + let mode = br.read(5)? as u8; + Ok(IntraMode::Mode(mode)) + } + } + fn read_mv_data(br: &mut BitReader, ftype: FrameType, two_f_refs: bool, size: usize, pu_type: PUType, mv: &mut [MVInfo; 4]) -> DecoderResult<()> { + let mv_count = pu_type.get_num_mvs(); + for i in 0..mv_count { + mv[i] = CBHeader::read_mv_info(br, ftype, two_f_refs, size, pu_type)?; + } + Ok(()) + } + fn read_mv_info(br: &mut BitReader, ftype: FrameType, two_f_refs: bool, size: usize, pu_type: PUType) -> DecoderResult { + let mut f_mv = ZERO_MV; + let mut b_mv = ZERO_MV; + let mvref; + if ftype != FrameType::B { + if two_f_refs && br.read_bool()? { + mvref = MVRef::Ref1; + } else { + mvref = MVRef::Ref0; + } + f_mv = CBHeader::read_mv(br)?; + Ok(MVInfo { f_mv, b_mv: ZERO_MV, mvref }) + } else { + if ((size <= 8) && ((size != 8) || (pu_type != PUType::Full))) || br.read_bool()? { + if !br.read_bool()? { + mvref = MVRef::Ref0; + f_mv = CBHeader::read_mv(br)?; + } else { + mvref = MVRef::BRef; + b_mv = CBHeader::read_mv(br)?; + } + } else { + mvref = MVRef::Ref0AndBRef; + f_mv = CBHeader::read_mv(br)?; + b_mv = CBHeader::read_mv(br)?; + } + Ok(MVInfo { f_mv, b_mv, mvref }) + } + } + fn read_mv(br: &mut BitReader) -> DecoderResult { + let x = br.read_code_signed(IntCodeType::Gamma)? as i16; + let y = br.read_code_signed(IntCodeType::Gamma)? as i16; + Ok(MV { x, y }) + } +} + +#[derive(Clone,Copy,Default)] +struct PUInfo { + cu_type: CUType, + ttype: TransformType, +} + +impl PUInfo { + fn is_intra(&self) -> bool { self.cu_type == CUType::Intra } +} + +const RV60_CANDIDATE_INTRA_ANGLES: [u8; 6] = [ 0, 1, 10, 26, 18, 2 ]; + +#[derive(Clone,Copy,Default)] +struct BlockInfo { + mv: MVInfo, + imode: u8, +} + +struct DeblockInfo { + left_str: Vec, + top_str: Vec, + stride: usize, +} + +impl DeblockInfo { + fn new() -> Self { + Self { left_str: Vec::new(), top_str: Vec::new(), stride: 0 } + } + fn reinit(&mut self, w: usize, h: usize) { + self.left_str.clear(); + self.top_str.clear(); + self.stride = w >> 2; + let size = self.stride * (h >> 2); + self.left_str.resize(size, 0); + self.top_str.resize(size, 0); + } + fn set_strength(&mut self, xpos: usize, ypos: usize, size: usize, q: u8, strength: u8) { + let pos = self.get_pos(xpos, ypos); + let dsize = size >> 2; + let dval = (q << 2) | strength; + for x in 0..dsize { + self.top_str[pos + x] = dval; + } + for y in 0..dsize { + self.left_str[pos + y * self.stride] = dval; + } + } + fn get_pos(&self, xpos: usize, ypos: usize) -> usize { + (xpos >> 2) + (ypos >> 2) * self.stride + } + fn get_top_strength(&self, pos: usize) -> u8 { + self.top_str[pos] & 3 + } + fn get_left_strength(&self, pos: usize) -> u8 { + self.left_str[pos] & 3 + } + fn set_top_strength(&mut self, pos: usize, str: u8) { + self.top_str[pos] |= str; + } + fn set_left_strength(&mut self, pos: usize, str: u8) { + self.left_str[pos] |= str; + } +} + +struct RealVideo60Decoder { + info: Rc, + cbs: RV60Codebooks, + ipbs: IPBShuffler, + dsp: RV60DSP, + ipred: IntraPredContext, + + avg_buf: NAVideoBuffer, + + y_coeffs: [i16; 16 * 16], + u_coeffs: [i16; 8 * 8], + v_coeffs: [i16; 8 * 8], + qp: u8, + sel_qp: u8, + + cu_splits: Vec, + coded_blk: [bool; 64], + dblk: DeblockInfo, + + pu_info: Vec, + pu_stride: usize, + pu_pos: usize, + + blk_info: Vec, + blk_stride: usize, + blk_pos: usize, + + xpos: usize, + ypos: usize, +} + +impl RealVideo60Decoder { + fn new() -> Self { + let tmp_vinfo = NAVideoInfo::new(64, 64, false, YUV420_FORMAT); + let mut vt = alloc_video_buffer(tmp_vinfo, 4).unwrap(); + let vb = vt.get_vbuf(); + let avg_buf = vb.unwrap(); + RealVideo60Decoder{ + info: Rc::new(DUMMY_CODEC_INFO), + cbs: RV60Codebooks::init(), + ipbs: IPBShuffler::new(), + ipred: IntraPredContext::new(), + dsp: RV60DSP::new(), + avg_buf: avg_buf, + y_coeffs: [0; 16 * 16], + u_coeffs: [0; 8 * 8], + v_coeffs: [0; 8 * 8], + qp: 0, + sel_qp: 0, + cu_splits: Vec::with_capacity(24), + coded_blk: [false; 64], + dblk: DeblockInfo::new(), + pu_info: Vec::new(), + pu_stride: 0, + pu_pos: 0, + blk_info: Vec::new(), + blk_stride: 0, + blk_pos: 0, + xpos: 0, + ypos: 0, + } + } + fn decode_cu_line(&mut self, buf: &mut NAVideoBuffer, hdr: &FrameHeader, src: &[u8], cu_y: usize) -> DecoderResult<()> { + let mut br = BitReader::new(src, src.len(), BitReaderMode::BE); + let cu_w = hdr.get_width_cu(); + let dqp = hdr.read_line_qp_offset(&mut br)?; + let qps = (hdr.qp as i8) + dqp; + validate!((qps >= 0) && (qps < 32)); + let qp = qps as u8; + self.qp = qp; + self.sel_qp = match hdr.osvquant { + 0 => qp, + 1 => { + if qp <= 25 { + qp + 5 + } else { + qp + } + }, + _ => { + if qp <= 18 { + qp + 10 + } else if qp <= 25 { + qp + 5 + } else { + qp + } + }, + }; + + for cu_x in 0..cu_w { + self.cu_splits.clear(); + self.coded_blk = [false; 64]; + self.decode_cb_tree(buf, hdr, &mut br, cu_x << 6, cu_y << 6, 6)?; + if hdr.deblock { + self.cu_splits.reverse(); + self.deblock_cb_tree(buf, hdr, cu_x << 6, cu_y << 6, 6); + } + } +if br.left() >= 8 { +println!(" left {} bits", br.left()); +} + Ok(()) + } + fn decode_cb_tree(&mut self, buf: &mut NAVideoBuffer, hdr: &FrameHeader, br: &mut BitReader, xpos: usize, ypos: usize, log_size: u8) -> DecoderResult<()> { + if (xpos >= hdr.width) || (ypos >= hdr.height) { return Ok(()); } + + let size = 1 << log_size; + let split = (xpos + size > hdr.width) || (ypos + size > hdr.height) || (size > 8 && br.read_bool()?); + self.cu_splits.push(split); + if split { + let hsize = size >> 1; + self.decode_cb_tree(buf, hdr, br, xpos, ypos, log_size - 1)?; + self.decode_cb_tree(buf, hdr, br, xpos + hsize, ypos, log_size - 1)?; + self.decode_cb_tree(buf, hdr, br, xpos, ypos + hsize, log_size - 1)?; + self.decode_cb_tree(buf, hdr, br, xpos + hsize, ypos + hsize, log_size - 1)?; + } else { + let cbh = CBHeader::read(br, hdr.ftype, hdr.two_f_refs, size)?; + self.pu_pos = (xpos >> 3) + (ypos >> 3) * self.pu_stride; + self.blk_pos = (xpos >> 2) + (ypos >> 2) * self.blk_stride; + self.xpos = xpos; + self.ypos = ypos; + self.reconstruct_info(hdr, &cbh, size)?; + + let split_i4x4 = (cbh.cu_type == CUType::Intra) && (size == 8) && (cbh.pu_type == PUType::Quarters); + match cbh.cu_type { + CUType::Intra => { + let itype = self.blk_info[self.blk_pos].imode; + if !split_i4x4 { + let dstride = buf.get_stride(0); + let off = xpos + ypos * dstride; + let mut data = buf.get_data_mut(); + let mut dst = &mut data; + self.populate_ipred(hdr, dst, 0, dstride, 0, 0, size, true); + self.ipred.pred_angle(dst, off, dstride, size, itype as usize, true); + } + for comp in 1..3 { + let dstride = buf.get_stride(comp); + let soff = buf.get_offset(comp); + let off = soff + (xpos >> 1) + (ypos >> 1) * dstride; + let mut data = buf.get_data_mut(); + let mut dst = &mut data; + self.populate_ipred(hdr, dst, soff, dstride, 0, 0, size >> 1, false); + self.ipred.pred_angle(&mut dst, off, dstride, size >> 1, itype as usize, false); + } + }, + _ => { + let mut mv_x = xpos >> 2; + let mut mv_y = ypos >> 2; + let mut mv_pos = mv_x + mv_y * self.blk_stride; + for part_no in 0..cbh.pu_type.get_num_mvs() { + let (mv_w, mv_h) = cbh.pu_type.get_mv_size(part_no, size); + let mv = self.blk_info[mv_pos].mv; + let bw = mv_w << 2; + let bh = mv_h << 2; + let bx = mv_x << 2; + let by = mv_y << 2; + match mv.mvref { + MVRef::Ref0 => { + if hdr.ftype != FrameType::B { + if let Some(ref prevbuf) = self.ipbs.get_lastref() { + self.dsp.do_mc(buf, prevbuf, bx, by, bw, bh, mv.f_mv, false); + } + } else { + if let Some(ref prevbuf) = self.ipbs.get_b_fwdref() { + self.dsp.do_mc(buf, prevbuf, bx, by, bw, bh, mv.f_mv, false); + } + } + }, + MVRef::Ref1 => { + if let Some(ref prevbuf) = self.ipbs.get_nextref() { + self.dsp.do_mc(buf, prevbuf, bx, by, bw, bh, mv.f_mv, false); + } + }, + MVRef::BRef => { + validate!(hdr.ftype == FrameType::B); + if let Some(ref prevbuf) = self.ipbs.get_b_bwdref() { + self.dsp.do_mc(buf, prevbuf, bx, by, bw, bh, mv.b_mv, false); + } + }, + MVRef::Ref0AndBRef => { + validate!(hdr.ftype == FrameType::B); + if let (Some(ref prevbuf), Some(ref nextbuf)) = (self.ipbs.get_b_fwdref(), self.ipbs.get_b_bwdref()) { + self.dsp.do_mc(buf, prevbuf, bx, by, bw, bh, mv.f_mv, false); + self.dsp.do_mc(&mut self.avg_buf, nextbuf, bx, by, bw, bh, mv.b_mv, true); + self.dsp.do_avg(buf, &self.avg_buf, bx, by, bw, bh); + } + }, + _ => unreachable!(), + }; + if cbh.pu_type == PUType::Quarters { + if part_no != 1 { + mv_pos += mv_w; + mv_x += mv_w; + } else { + mv_pos += mv_h * self.blk_stride - mv_w; + mv_x -= mv_w; + mv_y += mv_h; + } + } else if cbh.pu_type.has_hor_split() { + mv_pos += mv_h * self.blk_stride; + mv_y += mv_h; + } else if cbh.pu_type.has_ver_split() { + mv_pos += mv_w; + mv_x += mv_w; + } + } + }, + }; + if cbh.ttype != TransformType::None { + self.y_coeffs = [0; 16 * 16]; + self.u_coeffs = [0; 8 * 8]; + self.v_coeffs = [0; 8 * 8]; + } + let is_intra = cbh.cu_type == CUType::Intra; + let cb_pos = ((xpos & 63) >> 3) + ((ypos & 63) >> 3) * 8; + match cbh.ttype { + TransformType::T4X4 => { + let subset = if is_intra { 0 } else { 2 }; + if size == 16 { + let cbp16; + if br.read_bool()? { + cbp16 = rv6_decode_cbp16(br, &self.cbs, subset, self.sel_qp)?; + } else { + cbp16 = 0; + } + if cbp16 != 0 { + self.coded_blk[cb_pos + 0] = true; + self.coded_blk[cb_pos + 1] = true; + self.coded_blk[cb_pos + 8] = true; + self.coded_blk[cb_pos + 9] = true; + rv6_decode_cu_4x4in16x16(br, &self.cbs, is_intra, self.qp, self.sel_qp, &mut self.y_coeffs, &mut self.u_coeffs, &mut self.v_coeffs, cbp16)?; + for y in 0..4 { + for x in 0..4 { + let i = x + y * 4; + if ((cbp16 >> i) & 1) != 0 { + self.dsp.transform4x4(&mut self.y_coeffs[i * 16..][..16]); + let dstride = buf.get_stride(0); + let off = xpos + x * 4 + (ypos + y * 4) * dstride; + let mut data = buf.get_data_mut(); + let mut dst = &mut data; + self.dsp.add_block(&mut dst, off, dstride, &self.y_coeffs[i*16..][..16], 4); + } + } + } + for y in 0..2 { + for x in 0..2 { + let i = x + y * 2; + let xoff = (xpos >> 1) + x * 4; + let yoff = (ypos >> 1) + y * 4; + if ((cbp16 >> (16 + i)) & 1) != 0 { + self.dsp.transform4x4(&mut self.u_coeffs[i * 16..][..16]); + let dstride = buf.get_stride(1); + let off = buf.get_offset(1) + xoff + yoff * dstride; + let mut data = buf.get_data_mut(); + let mut dst = &mut data; + self.dsp.add_block(&mut dst, off, dstride, &self.u_coeffs[i * 16..][..16], 4); + } + if ((cbp16 >> (20 + i)) & 1) != 0 { + self.dsp.transform4x4(&mut self.v_coeffs[i * 16..][..16]); + let dstride = buf.get_stride(2); + let off = buf.get_offset(2) + xoff + yoff * dstride; + let mut data = buf.get_data_mut(); + let mut dst = &mut data; + self.dsp.add_block(&mut dst, off, dstride, &self.v_coeffs[i * 16..][..16], 4); + } + } + } + } + } else { + let cbp8 = rv6_decode_cbp8(br, &self.cbs, subset, self.sel_qp)?; + if cbp8 != 0 { + self.coded_blk[cb_pos] = true; + rv6_decode_cu_8x8(br, &self.cbs, is_intra, self.qp, self.sel_qp, &mut self.y_coeffs, &mut self.u_coeffs, &mut self.v_coeffs, cbp8, true)?; + } + for i in 0..4 { + let xoff = (i & 1) * 4; + let yoff = (i & 2) * 2; + if split_i4x4 { + let dstride = buf.get_stride(0); + let off = xpos + xoff + (ypos + yoff) * dstride; + let mut data = buf.get_data_mut(); + let mut dst = &mut data; + self.populate_ipred(hdr, dst, 0, dstride, xoff, yoff, 4, true); + let itype = self.blk_info[self.blk_pos + (i & 1) + (i >> 1) * self.blk_stride].imode; + self.ipred.pred_angle(&mut dst, off, dstride, 4, itype as usize, false); + } + if ((cbp8 >> i) & 1) != 0 { + let blk = &mut self.y_coeffs[i * 16..][..16]; + self.dsp.transform4x4(blk); + let dstride = buf.get_stride(0); + let soff = buf.get_offset(0); + let off = soff + xpos + xoff + (ypos + yoff) * dstride; + let mut data = buf.get_data_mut(); + let mut dst = &mut data; + self.dsp.add_block(&mut dst, off, dstride, blk, 4); + } + } + if ((cbp8 >> 4) & 1) != 0 { + self.dsp.transform4x4(&mut self.u_coeffs); + let dstride = buf.get_stride(1); + let soff = buf.get_offset(1); + let off = soff + (xpos >> 1) + (ypos >> 1) * dstride; + let mut data = buf.get_data_mut(); + let mut dst = &mut data; + self.dsp.add_block(&mut dst, off, dstride, &self.u_coeffs, 4); + } + if ((cbp8 >> 5) & 1) != 0 { + self.dsp.transform4x4(&mut self.v_coeffs); + let dstride = buf.get_stride(2); + let soff = buf.get_offset(2); + let off = soff + (xpos >> 1) + (ypos >> 1) * dstride; + let mut data = buf.get_data_mut(); + let mut dst = &mut data; + self.dsp.add_block(&mut dst, off, dstride, &self.v_coeffs, 4); + } + } + }, + TransformType::T8X8 => { + let subset = if is_intra { 1 } else { 3 }; + let cbp8 = rv6_decode_cbp8(br, &self.cbs, subset, self.sel_qp)?; + if cbp8 != 0 { + self.coded_blk[cb_pos] = true; + rv6_decode_cu_8x8(br, &self.cbs, is_intra, self.qp, self.sel_qp, &mut self.y_coeffs, &mut self.u_coeffs, &mut self.v_coeffs, cbp8, false)?; + if (cbp8 & 0xF) != 0 { + self.dsp.transform8x8(&mut self.y_coeffs); + let dstride = buf.get_stride(0); + let off = xpos + ypos * dstride; + let mut data = buf.get_data_mut(); + let mut dst = &mut data; + self.dsp.add_block(&mut dst, off, dstride, &self.y_coeffs, 8); + } + if ((cbp8 >> 4) & 1) != 0 { + self.dsp.transform4x4(&mut self.u_coeffs); + let dstride = buf.get_stride(1); + let soff = buf.get_offset(1); + let off = soff + (xpos >> 1) + (ypos >> 1) * dstride; + let mut data = buf.get_data_mut(); + let mut dst = &mut data; + self.dsp.add_block(&mut dst, off, dstride, &self.u_coeffs, 4); + } + if ((cbp8 >> 5) & 1) != 0 { + self.dsp.transform4x4(&mut self.v_coeffs); + let dstride = buf.get_stride(2); + let soff = buf.get_offset(2); + let off = soff + (xpos >> 1) + (ypos >> 1) * dstride; + let mut data = buf.get_data_mut(); + let mut dst = &mut data; + self.dsp.add_block(&mut dst, off, dstride, &self.v_coeffs, 4); + } + } + }, + TransformType::T16X16 => { + let subset = if is_intra { 1 } else { 3 }; + let num_clusters = size >> 4; + let cl_cbp = br.read((num_clusters * num_clusters) as u8)?; + for y in 0..num_clusters { + for x in 0..num_clusters { + if ((cl_cbp >> (x + y * num_clusters)) & 1) == 0 { continue; } + self.coded_blk[cb_pos + x * 2 + y * 2 * 8 + 0] = true; + self.coded_blk[cb_pos + x * 2 + y * 2 * 8 + 1] = true; + self.coded_blk[cb_pos + x * 2 + y * 2 * 8 + 8] = true; + self.coded_blk[cb_pos + x * 2 + y * 2 * 8 + 9] = true; + let super_cbp = rv6_decode_cbp16(br, &self.cbs, subset, self.sel_qp)?; + if super_cbp != 0 { + self.y_coeffs = [0; 16 * 16]; + self.u_coeffs = [0; 8 * 8]; + self.v_coeffs = [0; 8 * 8]; + rv6_decode_cu_16x16(br, &self.cbs, is_intra, self.qp, self.sel_qp, &mut self.y_coeffs, &mut self.u_coeffs, &mut self.v_coeffs, super_cbp)?; + if (super_cbp & 0xFFFF) != 0 { + self.dsp.transform16x16(&mut self.y_coeffs); + let dstride = buf.get_stride(0); + let off = xpos + x * 16 + (ypos + y * 16) * dstride; + let mut data = buf.get_data_mut(); + let mut dst = &mut data; + self.dsp.add_block(&mut dst, off, dstride, &self.y_coeffs, 16); + } + if ((super_cbp >> 16) & 0xF) != 0 { + self.dsp.transform8x8(&mut self.u_coeffs); + let dstride = buf.get_stride(1); + let soff = buf.get_offset(1); + let off = soff + (xpos >> 1) + x * 8 + ((ypos >> 1) + y * 8) * dstride; + let mut data = buf.get_data_mut(); + let mut dst = &mut data; + self.dsp.add_block(&mut dst, off, dstride, &self.u_coeffs, 8); + } + if ((super_cbp >> 20) & 0xF) != 0 { + self.dsp.transform8x8(&mut self.v_coeffs); + let dstride = buf.get_stride(2); + let soff = buf.get_offset(2); + let off = soff + (xpos >> 1) + x * 8 + ((ypos >> 1) + y * 8) * dstride; + let mut data = buf.get_data_mut(); + let mut dst = &mut data; + self.dsp.add_block(&mut dst, off, dstride, &self.v_coeffs, 8); + } + } + } + } + }, + _ => {}, + }; + } + Ok(()) + } + fn reconstruct_info(&mut self, hdr: &FrameHeader, cbh: &CBHeader, size: usize) -> DecoderResult<()>{ + let mut pui = PUInfo::default(); + let pu_size = size >> 3; + pui.cu_type = cbh.cu_type; + pui.ttype = cbh.ttype; + if (cbh.cu_type == CUType::Intra) && (cbh.pu_type == PUType::Quarters) { // very special case + self.pu_info[self.pu_pos] = pui; + for y in 0..2 { + for x in 0..2 { + let imode = self.reconstruct_intra(hdr, cbh, 4, x + y * 2); + validate!(imode <= MAX_IMODE); + self.blk_info[self.blk_pos + x + y * self.blk_stride].imode = imode; + self.blk_info[self.blk_pos + x + y * self.blk_stride].mv = MVInfo::default(); + } + } + return Ok(()); + } + match cbh.cu_type { + CUType::Intra => { + self.pu_info[self.pu_pos] = pui; + let imode = self.reconstruct_intra(hdr, cbh, size, 0); + validate!(imode <= MAX_IMODE); + for y in 0..(size >> 2) { + for x in 0..(size >> 2) { + self.blk_info[self.blk_pos + x + y * self.blk_stride].imode = imode; + } + } + }, + CUType::InterMV => { + let mut mv_x = self.xpos >> 2; + let mut mv_y = self.ypos >> 2; + let mut mv_pos = self.blk_pos; + let pu_type = cbh.pu_type; + for part_no in 0..pu_type.get_num_mvs() { + let (mv_w, mv_h) = pu_type.get_mv_size(part_no, size); + let mv = self.predict_mv(hdr, mv_x, mv_y, mv_w, &cbh.mv[part_no]); + for y in 0..mv_h { + for x in 0..mv_w { + self.blk_info[mv_pos + x + y * self.blk_stride].mv = mv; + } + } + if pu_type == PUType::Quarters { + if part_no != 1 { + mv_pos += mv_w; + mv_x += mv_w; + } else { + mv_pos += mv_h * self.blk_stride - mv_w; + mv_x -= mv_w; + mv_y += mv_h; + } + } else if pu_type.has_hor_split() { + mv_pos += mv_h * self.blk_stride; + mv_y += mv_h; + } else if pu_type.has_ver_split() { + mv_pos += mv_w; + mv_x += mv_w; + } + } + }, + _ => { + let skip_idx = cbh.mv[0].mvref.get_skip_mv_num(); + let mut skip_cand: UniqueList = UniqueList::new(4); + self.fill_skip_cand(hdr, &mut skip_cand, size); + let mv = skip_cand.list[skip_idx]; + + let mv_size = size >> 2; + for y in 0..mv_size { + for x in 0..mv_size { + self.blk_info[self.blk_pos + x + y * self.blk_stride].mv = mv; + } + } + }, + }; + for y in 0..pu_size { + for x in 0..pu_size { + self.pu_info[self.pu_pos + x + y * self.pu_stride] = pui; + } + } + Ok(()) + } + fn reconstruct_intra(&self, hdr: &FrameHeader, cbh: &CBHeader, size: usize, sub: usize) -> u8 { + match cbh.imode[0] { + IntraMode::DC64 => { return 1; }, + IntraMode::Plane64 => { return 0; }, + _ => {}, + }; + // form list of predictors + let blk_pos = self.blk_pos + (sub & 1) + (sub >> 1) * self.blk_stride; + let mut ipm_cand: UniqueList = UniqueList::new(3); + if hdr.has_top_block(self.xpos, self.ypos, (sub & 1) * 4, 0, size) { + let pu = &self.pu_info[self.pu_pos - self.pu_stride]; + if pu.is_intra() { + ipm_cand.add(self.blk_info[self.blk_pos + (sub & 1) - self.blk_stride].imode); + } + } + if hdr.has_left_block(self.xpos, self.ypos, 0, (sub & 2) * 2, size) { + let pu = &self.pu_info[self.pu_pos - 1]; + if pu.is_intra() { + ipm_cand.add(self.blk_info[blk_pos - 1 - (sub & 1)].imode); + } + } + let tl_x = if (sub & 2) == 0 { self.xpos + (sub & 1) * 4 } else { self.xpos }; + let tl_y = self.ypos + (sub & 2) * 4; + if (tl_x > 0) && (tl_y > 0) { + let pu = match sub { + 0 => &self.pu_info[self.pu_pos - self.pu_stride - 1], + 1 => &self.pu_info[self.pu_pos - self.pu_stride], + 2 => &self.pu_info[self.pu_pos - 1], + _ => &self.pu_info[self.pu_pos - 1], + }; + if pu.is_intra() { + if sub != 3 { + ipm_cand.add(self.blk_info[blk_pos - self.blk_stride - 1].imode); + } else { + ipm_cand.add(self.blk_info[blk_pos - self.blk_stride - 2].imode); + } + } + } + for el in RV60_CANDIDATE_INTRA_ANGLES.into_iter() { + ipm_cand.add(*el); + } + // actually decode prediction mode + match cbh.imode[sub] { + IntraMode::Index(idx) => { + ipm_cand.list[idx as usize] + }, + IntraMode::Mode(mode) => { + let mut imode = mode; + let mut ipm_cs: [u8; 3] = [ipm_cand.list[0], ipm_cand.list[1], ipm_cand.list[2]]; + ipm_cs.sort(); + for ic in ipm_cs.into_iter() { + if imode >= *ic { + imode += 1; + } + } + imode + }, + _ => unreachable!(), + } + } + fn populate_ipred(&mut self, hdr: &FrameHeader, src: &[u8], soff: usize, stride: usize, xoff: usize, yoff: usize, size: usize, is_luma: bool) { + let src_off = if is_luma { + soff + self.xpos + xoff + (self.ypos + yoff) * stride + } else { + soff + (self.xpos >> 1) + (self.ypos >> 1) * stride + }; + self.ipred = IntraPredContext::new(); + if (self.ypos + yoff) > 0 { + self.ipred.has_t = true; + for x in 0..size { + self.ipred.t[x + 1] = src[src_off - stride + x]; + } + if (is_luma && hdr.has_top_right_block(self.xpos, self.ypos, xoff, yoff, size)) || + (!is_luma && hdr.has_top_right_block(self.xpos, self.ypos, 0, 0, size << 1)) { + self.ipred.has_tr = true; + for x in size..size*2 { + self.ipred.t[x + 1] = src[src_off - stride + x]; + } + } else { + for i in 0..size { + self.ipred.t[size + i + 1] = self.ipred.t[size]; + } + } + if (self.xpos + xoff) > 0 { + self.ipred.t[0] = src[src_off - stride - 1]; + } + } + if (self.xpos + xoff) > 0 { + self.ipred.has_l = true; + for y in 0..size { + self.ipred.l[y + 1] = src[src_off - 1 + y * stride]; + } + if (is_luma && hdr.has_left_down_block(self.xpos, self.ypos, xoff, yoff, size)) || + (!is_luma && hdr.has_left_down_block(self.xpos, self.ypos, 0, 0, size << 1)) { + self.ipred.has_ld = true; + for y in size..size*2 { + self.ipred.l[y + 1] = src[src_off - 1 + y * stride]; + } + } else { + for i in 0..size { + self.ipred.l[size + i + 1] = self.ipred.l[size]; + } + } + if (self.ypos + yoff) > 0 { + self.ipred.l[0] = src[src_off - stride - 1]; + } + } + } + fn predict_mv(&self, hdr: &FrameHeader, mv_x: usize, mv_y: usize, mv_w: usize, mvi: &MVInfo) -> MVInfo { + let mv_pos = mv_x + mv_y * self.blk_stride; + let f_mv: MV; + let b_mv: MV; + if mvi.mvref.is_fwd() { + let mut mv_cand: [MV; 3] = [ZERO_MV; 3]; + let mut mv_cand_size: usize = 0; + if mv_x > 0 { + let ref_mv = &self.blk_info[mv_pos - 1].mv; + if ref_mv.matches_fwd(mvi.mvref) { + mv_cand[mv_cand_size] = ref_mv.f_mv; + mv_cand_size += 1; + } + } + if mv_y > 0 { + let ref_mv = &self.blk_info[mv_pos - self.blk_stride].mv; + if ref_mv.matches_fwd(mvi.mvref) { + mv_cand[mv_cand_size] = ref_mv.f_mv; + mv_cand_size += 1; + } + } + if hdr.has_top_block(mv_x << 2, mv_y << 2, mv_w << 2, 0, 4) { + let ref_mv = &self.blk_info[mv_pos - self.blk_stride + mv_w].mv; + if ref_mv.matches_fwd(mvi.mvref) { + mv_cand[mv_cand_size] = ref_mv.f_mv; + mv_cand_size += 1; + } + } + f_mv = match mv_cand_size { + 1 | 2 => { + let x = mv_cand[0].x + mv_cand[1].x + mv_cand[2].x; + let y = mv_cand[0].y + mv_cand[1].y + mv_cand[2].y; + if mv_cand_size == 1 { + MV { x, y } + } else { + MV { x: x >> 1, y: y >> 1 } + } + }, + 3 => MV::pred(mv_cand[0], mv_cand[1], mv_cand[2]), + _ => ZERO_MV, + }; + } else { + f_mv = ZERO_MV; + } + if mvi.mvref.is_bwd() { + let mut mv_cand: [MV; 3] = [ZERO_MV; 3]; + let mut mv_cand_size: usize = 0; + if mv_x > 0 { + let ref_mv = &self.blk_info[mv_pos - 1].mv; + if ref_mv.matches_bwd(mvi.mvref) { + mv_cand[mv_cand_size] = ref_mv.b_mv; + mv_cand_size += 1; + } + } + if mv_y > 0 { + let ref_mv = &self.blk_info[mv_pos - self.blk_stride].mv; + if ref_mv.matches_bwd(mvi.mvref) { + mv_cand[mv_cand_size] = ref_mv.b_mv; + mv_cand_size += 1; + } + } + if hdr.has_top_block(mv_x << 2, mv_y << 2, mv_w << 2, 0, 4) { + let ref_mv = &self.blk_info[mv_pos - self.blk_stride + mv_w].mv; + if ref_mv.matches_bwd(mvi.mvref) { + mv_cand[mv_cand_size] = ref_mv.b_mv; + mv_cand_size += 1; + } + } + b_mv = match mv_cand_size { + 1 | 2 => { + let x = mv_cand[0].x + mv_cand[1].x + mv_cand[2].x; + let y = mv_cand[0].y + mv_cand[1].y + mv_cand[2].y; + if mv_cand_size == 1 { + MV { x, y } + } else { + MV { x: x >> 1, y: y >> 1 } + } + }, + 3 => MV::pred(mv_cand[0], mv_cand[1], mv_cand[2]), + _ => ZERO_MV, + }; + } else { + b_mv = ZERO_MV; + } + + MVInfo { f_mv: mvi.f_mv + f_mv, b_mv: mvi.b_mv + b_mv, mvref: mvi.mvref } + } + fn fill_skip_cand(&mut self, hdr: &FrameHeader, skip_cand: &mut UniqueList, size: usize) { + let mv_size = size >> 2; + + if self.xpos > 0 { + let mv = &self.blk_info[self.blk_pos - 1].mv; + if mv.is_some() { + skip_cand.add(*mv); + } + } + if self.ypos > 0 { + let mv = &self.blk_info[self.blk_pos - self.blk_stride].mv; + if mv.is_some() { + skip_cand.add(*mv); + } + } + if hdr.has_top_right_block(self.xpos, self.ypos, 0, 0, size) { + let mv = &self.blk_info[self.blk_pos - self.blk_stride + mv_size].mv; + if mv.is_some() { + skip_cand.add(*mv); + } + } + if hdr.has_left_down_block(self.xpos, self.ypos, 0, 0, size) { + let mv = &self.blk_info[self.blk_pos + self.blk_stride * mv_size - 1].mv; + if mv.is_some() { + skip_cand.add(*mv); + } + } + if hdr.has_left_block(self.xpos, self.ypos, 0, 0, size) { + let mv = &self.blk_info[self.blk_pos + self.blk_stride * (mv_size - 1) - 1].mv; + if mv.is_some() { + skip_cand.add(*mv); + } + } + if hdr.has_top_block(self.xpos, self.ypos, 0, 0, size) { + let mv = &self.blk_info[self.blk_pos - self.blk_stride + mv_size - 1].mv; + if mv.is_some() { + skip_cand.add(*mv); + } + } + if (self.xpos > 0) && (self.ypos > 0) { + let mv = &self.blk_info[self.blk_pos - self.blk_stride - 1].mv; + if mv.is_some() { + skip_cand.add(*mv); + } + } + for i in skip_cand.fill..4 { + skip_cand.list[i] = MVInfo { f_mv: ZERO_MV, b_mv: ZERO_MV, mvref: MVRef::Ref0 }; + } + } + fn deblock_cb_tree(&mut self, buf: &mut NAVideoBuffer, hdr: &FrameHeader, xpos: usize, ypos: usize, log_size: u8) { + if (xpos >= hdr.width) || (ypos >= hdr.height) { return; } + let split = (log_size > 3) && self.cu_splits.pop().unwrap(); + if split { + let hsize = 1 << (log_size - 1); + self.deblock_cb_tree(buf, hdr, xpos, ypos, log_size - 1); + self.deblock_cb_tree(buf, hdr, xpos + hsize, ypos, log_size - 1); + self.deblock_cb_tree(buf, hdr, xpos, ypos + hsize, log_size - 1); + self.deblock_cb_tree(buf, hdr, xpos + hsize, ypos + hsize, log_size - 1); + } else { + let pu_pos = (xpos >> 3) + (ypos >> 3) * self.pu_stride; + let cu_type = self.pu_info[pu_pos].cu_type; + let tsize = if self.pu_info[pu_pos].ttype == TransformType::T16X16 { 4 } else { 3 }; + let ntiles = 1 << (log_size - tsize); + let dparams = RV60DeblockParams { + deblock_chroma: hdr.deblock_chroma, + width: hdr.width, + height: hdr.height, + dblkstride: self.dblk.stride, + }; + for ty in 0..ntiles { + for tx in 0..ntiles { + let x = xpos + (tx << tsize); + let y = ypos + (ty << tsize); + let cb_pos = ((x & 63) >> 3) + ((y & 63) >> 3) * 8; + if cu_type == CUType::Intra { + self.dblk.set_strength(x, y, 1 << tsize, self.qp, 2); + } else if (cu_type != CUType::Skip) && self.coded_blk[cb_pos] { + self.dblk.set_strength(x, y, 1 << tsize, self.qp, 1); + } else { + self.dblk.set_strength(x, y, 1 << tsize, self.qp, 0); + self.derive_deblock_strength(x, y, 1 << (tsize - 2)); + } + self.dsp.do_deblock(&dparams, buf, x, y, 1 << tsize, + self.dblk.top_str.as_slice(), + self.dblk.left_str.as_slice(), + self.dblk.get_pos(x, y)); + } + } + } + } + fn derive_deblock_strength(&mut self, xpos: usize, ypos: usize, size4: usize) { + let blk_pos = (xpos >> 2) + (ypos >> 2) * self.blk_stride; + let mut dblk_pos = self.dblk.get_pos(xpos, ypos); + if ypos > 0 { + let top_blk_pos = blk_pos - self.blk_stride; + for i in 0..size4 { + if self.dblk.get_top_strength(dblk_pos + i) == 0 { + if self.blk_info[blk_pos + i].mv.is_deblock_cand(&self.blk_info[top_blk_pos + i].mv) { + self.dblk.set_top_strength(dblk_pos + i, 1); + } + } + } + } + if xpos > 0 { + for i in 0..size4 { + if self.dblk.get_left_strength(dblk_pos) == 0 { + if self.blk_info[blk_pos + i].mv.is_deblock_cand(&self.blk_info[blk_pos + i - 1].mv) { + self.dblk.set_left_strength(dblk_pos, 1); + } + } + dblk_pos += self.dblk.stride; + } + } + } +} + +impl NADecoder for RealVideo60Decoder { + fn init(&mut self, info: Rc) -> DecoderResult<()> { + if let NACodecTypeInfo::Video(_vinfo) = info.get_properties() { + let fmt = YUV420_FORMAT; + let myinfo = NACodecTypeInfo::Video(NAVideoInfo::new(0, 0, false, fmt)); + self.info = Rc::new(NACodecInfo::new_ref(info.get_name(), myinfo, info.get_extradata())); + + let edata = info.get_extradata().unwrap(); + let src: &[u8] = &edata; + + if src.len() < 8 { return Err(DecoderError::InvalidData); } + let mut mr = MemoryReader::new_read(src); + let mut br = ByteReader::new(&mut mr); + let _flags = br.read_u32be()?; + let version = br.read_u32be()?; + let _unk = br.read_u16be()?; + validate!((version >> 28) == 4); + // then width and height again as 16be + + //self.bd.width = vinfo.get_width(); + //self.bd.height = vinfo.get_height(); + //self.frmmgr.clear(); + Ok(()) + } else { +println!("???"); + Err(DecoderError::InvalidData) + } + } + fn decode(&mut self, pkt: &NAPacket) -> DecoderResult { + let src = pkt.get_buffer(); + + validate!(src.len() > 9); + let hsize = (src[0] as usize) * 8 + 9; + let mut br = BitReader::new(&src[hsize..], src.len() - hsize, BitReaderMode::BE); + let hdr = FrameHeader::read(&mut br)?; + let mut slices: Vec = Vec::new(); + hdr.parse_slice_sizes(&mut br, &mut slices)?; + + let tmp_vinfo = NAVideoInfo::new(hdr.width, hdr.height, false, YUV420_FORMAT); + let res = alloc_video_buffer(tmp_vinfo, 6); + if !res.is_ok() { return Err(DecoderError::InvalidData); } + let mut bufinfo = res.unwrap(); + let mut buf = bufinfo.get_vbuf().unwrap(); + + let cu_w = hdr.get_width_cu(); + let cu_h = hdr.get_height_cu(); + self.pu_stride = cu_w << 3; + self.pu_info.resize(self.pu_stride * (cu_h << 3), PUInfo::default()); + self.blk_stride = cu_w << 4; + self.blk_info.truncate(0); + self.blk_info.resize(self.blk_stride * (cu_h << 4), BlockInfo::default()); + if hdr.deblock { + self.dblk.reinit(hdr.width, hdr.height); + } + let mut off = hsize + ((br.tell() >> 3) as usize); + for (cu_y, size) in slices.into_iter().enumerate() { + self.decode_cu_line(&mut buf, &hdr, &src[off..][..size], cu_y)?; + off += size; + } + if (hdr.ftype == FrameType::I) || (hdr.ftype == FrameType::P) { + self.ipbs.add_frame(buf); + } + + let mut frm = NAFrame::new_from_pkt(pkt, self.info.clone(), bufinfo); + frm.set_keyframe(hdr.ftype == FrameType::I); + frm.set_pts(Some(hdr.ts as u64)); + frm.set_frame_type(hdr.ftype); + Ok(Rc::new(RefCell::new(frm))) + } +} + +pub fn get_decoder() -> Box { + Box::new(RealVideo60Decoder::new()) +} + +#[cfg(test)] +mod test { + use test::dec_video::test_file_decoding; + #[test] + fn test_rv60() { + test_file_decoding("realmedia", "assets/RV/RV60.rmhd", Some(4000), true, false, /*None*/Some("rv60")); +panic!("end"); + } +}