From afe297430558544830b772a5f3c41b0722304100 Mon Sep 17 00:00:00 2001 From: Kostya Shishkov Date: Sat, 27 May 2017 12:48:51 +0200 Subject: [PATCH] Indeo 3 decoder --- Cargo.toml | 7 +- src/codecs/indeo3.rs | 1501 ++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 1507 insertions(+), 1 deletion(-) create mode 100644 src/codecs/indeo3.rs diff --git a/Cargo.toml b/Cargo.toml index 5056799..033ec23 100644 --- a/Cargo.toml +++ b/Cargo.toml @@ -14,6 +14,11 @@ demuxer_avi = ["demuxers"] demuxer_gdv = ["demuxers"] decoders = [] -all_decoders = ["decoder_indeo2", "decoder_pcm"] +all_decoders = ["all_video_decoders", "all_audio_decoders"] + +all_video_decoders = ["decoder_indeo2", "decoder_indeo3"] decoder_indeo2 = ["decoders"] +decoder_indeo3 = ["decoders"] + +all_audio_decoders = ["decoder_pcm"] decoder_pcm = ["decoders"] diff --git a/src/codecs/indeo3.rs b/src/codecs/indeo3.rs new file mode 100644 index 0000000..d8ffb59 --- /dev/null +++ b/src/codecs/indeo3.rs @@ -0,0 +1,1501 @@ +use formats; +use super::*; +use io::byteio::*; +use std::io::SeekFrom; +use std::mem; + +struct IviDeltaCB { + quad_radix: u8, + data: &'static [i8], +} + +#[derive(Clone, Copy)] +struct MV { + x: i8, + y: i8 +} + +struct Buffers { + width: usize, + height: usize, + buf1: Vec, + buf2: Vec, + fbuf: bool, +} + +const DEFAULT_PIXEL: u8 = 0x40; + +impl Buffers { + fn new() -> Self { Buffers { width: 0, height: 0, buf1: Vec::new(), buf2: Vec::new(), fbuf: true } } + fn reset(&mut self) { + self.width = 0; + self.height = 0; + self.buf1.truncate(0); + self.buf2.truncate(0); + } + fn alloc(&mut self, w: usize, h: usize) { + self.width = w; + self.height = h; + self.buf1.resize(w * h + (w >> 2) * (h >> 2) * 2, DEFAULT_PIXEL); + self.buf2.resize(w * h + (w >> 2) * (h >> 2) * 2, DEFAULT_PIXEL); + } + fn flip(&mut self) { self.fbuf = !self.fbuf; } + fn get_stride(&mut self, planeno: usize) -> usize { + if planeno == 0 { self.width } else { self.width >> 2 } + } + fn get_offset(&mut self, planeno: usize) -> usize { + match planeno { + 1 => self.width * self.height, + 2 => self.width * self.height + (self.width >> 2) * (self.height >> 2), + _ => 0, + } + } + fn fill_framebuf(&mut self, fbuf: &mut NAVideoBuffer) { + for planeno in 0..3 { + let mut soff = self.get_offset(planeno); + let mut doff = fbuf.get_offset(planeno); + let sstride = self.get_stride(planeno); + let dstride = fbuf.get_stride(planeno); + let width = if planeno == 0 { self.width } else { self.width >> 2 }; + let height = if planeno == 0 { self.height } else { self.height >> 2 }; + let src = if self.fbuf { &self.buf1[0..] } else { &self.buf2[0..] }; + let mut dst = fbuf.get_data_mut(); + for _ in 0..height { + for x in 0..width { + dst[doff + x] = src[soff + x] * 2; + } + soff += sstride; + doff += dstride; + } + } + } + fn copy_block(&mut self, doff: usize, soff: usize, stride: usize, w: usize, h: usize) { + let mut sidx = soff; + let mut didx = doff; + if self.fbuf { + for _ in 0..h { + for i in 0..w { self.buf1[didx + i] = self.buf2[sidx + i]; } + sidx += stride; + didx += stride; + } + } else { + for _ in 0..h { + for i in 0..w { self.buf2[didx + i] = self.buf1[sidx + i]; } + sidx += stride; + didx += stride; + } + } + } + fn fill_block(&mut self, doff: usize, stride: usize, w: usize, h: usize, topline: bool) { + let mut didx = doff; + let mut buf: [u8; 8] = [0; 8]; + if topline { + if self.fbuf { + for _ in 0..h { + for i in 0..w { self.buf1[didx + i] = DEFAULT_PIXEL; } + didx += stride; + } + } else { + for _ in 0..h { + for i in 0..w { self.buf2[didx + i] = DEFAULT_PIXEL; } + didx += stride; + } + } + } else { + if self.fbuf { + for i in 0..w { buf[i] = self.buf1[didx - stride + i]; } + for _ in 0..h { + for i in 0..w { self.buf1[didx + i] = buf[i]; } + didx += stride; + } + } else { + for i in 0..w { buf[i] = self.buf2[didx - stride + i]; } + for _ in 0..h { + for i in 0..w { self.buf2[didx + i] = buf[i]; } + didx += stride; + } + } + } + } +} + +#[allow(unused_variables)] +fn apply_delta4x4(bufs: &mut Buffers, off: usize, stride: usize, + deltas: &[u8], topline: bool, first_line: bool) { + let mut dst = if bufs.fbuf { &mut bufs.buf1[off..(off + 4)] } + else { &mut bufs.buf2[off..(off + 4)] }; + for i in 0..4 { dst[i] = dst[i].wrapping_add(deltas[i]) & 0x7F; } +} + +#[allow(unused_variables)] +fn apply_delta4x8(bufs: &mut Buffers, off: usize, stride: usize, + deltas: &[u8], topline: bool, first_line: bool) { + let mut dst = if bufs.fbuf { &mut bufs.buf1[off..(off + 4 + stride)] } + else { &mut bufs.buf2[off..(off + 4 + stride)] }; + for i in 0..4 { dst[i + stride] = dst[i].wrapping_add(deltas[i]) & 0x7F; } + if !topline { + for i in 0..4 { dst[i] = (dst[i + stride] + dst[i]) >> 1; } + } else { + for i in 0..4 { dst[i] = dst[i + stride]; } + } +} + +#[allow(unused_variables)] +fn apply_delta4x8m11(bufs: &mut Buffers, off: usize, stride: usize, + deltas: &[u8], topline: bool, first_line: bool) { + let mut dst = if bufs.fbuf { &mut bufs.buf1[off..(off + 4 + stride)] } + else { &mut bufs.buf2[off..(off + 4 + stride)] }; + for i in 0..4 { dst[i] = dst[i] .wrapping_add(deltas[i]) & 0x7F; } + for i in 0..4 { dst[i + stride] = dst[i + stride].wrapping_add(deltas[i]) & 0x7F; } +} + +#[allow(unused_variables)] +fn apply_delta8x8p(bufs: &mut Buffers, off: usize, stride: usize, + deltas: &[u8], topline: bool, first_line: bool) { + let mut dst = if bufs.fbuf { &mut bufs.buf1[off..(off + 8 + stride)] } + else { &mut bufs.buf2[off..(off + 8 + stride)] }; + for i in 0..8 { dst[i] = dst[i] .wrapping_add(deltas[i >> 1]) & 0x7F; } + for i in 0..8 { dst[i + stride] = dst[i + stride].wrapping_add(deltas[i >> 1]) & 0x7F; } +} + +fn apply_delta8x8i(bufs: &mut Buffers, off: usize, stride: usize, + deltas: &[u8], topline: bool, firstline: bool) { + let mut dst = if bufs.fbuf { &mut bufs.buf1[off..(off + 8 + stride)] } + else { &mut bufs.buf2[off..(off + 8 + stride)] }; + if !firstline { + for i in 0..8 { dst[i + stride] = dst[i ].wrapping_add(deltas[i >> 1]) & 0x7F; } + } else { + for i in 0..8 { dst[i + stride] = dst[i & !1].wrapping_add(deltas[i >> 1]) & 0x7F; } + } + if !topline { + for i in 0..8 { dst[i] = (dst[i + stride] + dst[i]) >> 1; } + } else { + for i in 0..8 { dst[i] = dst[i + stride]; } + } +} + +fn copy_line_top(bufs: &mut Buffers, off: usize, stride: usize, bw: usize, topline: bool) { + let mut buf: [u8; 8] = [0; 8]; + if !topline { + let src = if bufs.fbuf { &bufs.buf1[(off - stride)..(off - stride + bw)] } + else { &bufs.buf2[(off - stride)..(off - stride + bw)] }; + for i in 0..bw { buf[i] = src[i]; } + } else { + for i in 0..bw { buf[i] = DEFAULT_PIXEL; } + } + let mut dst = if bufs.fbuf { &mut bufs.buf1[off..(off + bw)] } + else { &mut bufs.buf2[off..(off + bw)] }; + for i in 0..bw { dst[i] = buf[i]; } +} + +fn copy_line_top4x4(bufs: &mut Buffers, off: usize, stride: usize, topline: bool) { + copy_line_top(bufs, off, stride, 4, topline); +} + +fn copy_line_top4x8(bufs: &mut Buffers, off: usize, stride: usize, topline: bool) { + copy_line_top(bufs, off, stride, 4, topline); + copy_line_top(bufs, off + stride, stride, 4, false); +} + +fn copy_line_top8x8(bufs: &mut Buffers, off: usize, stride: usize, topline: bool) { + let mut buf: [u8; 8] = [0; 8]; + if !topline { + let src = if bufs.fbuf { &bufs.buf1[(off - stride)..(off - stride + 8)] } + else { &bufs.buf2[(off - stride)..(off - stride + 8)] }; + for i in 0..8 { buf[i] = src[i & !1]; } + } else { + for i in 0..8 { buf[i] = DEFAULT_PIXEL; } + } + let mut dst = if bufs.fbuf { &mut bufs.buf1[off..(off + 8)] } + else { &mut bufs.buf2[off..(off + 8)] }; + for i in 0..8 {dst[i] = buf[i]; } +} + +fn fill_block8x8(bufs: &mut Buffers, doff: usize, stride: usize, h: usize, topline: bool, firstline: bool) { + let mut didx = doff; + let mut buf: [u8; 8] = [0; 8]; + if firstline { + for i in 0..8 { buf[i] = DEFAULT_PIXEL; } + } else if bufs.fbuf { + for i in 0..8 { buf[i] = bufs.buf1[doff - stride + i]; } + } else { + for i in 0..8 { buf[i] = bufs.buf1[doff - stride + i]; } + } + if topline && !firstline { + for i in 0..4 { buf[i * 2 + 1] = buf[i * 2]; } + if bufs.fbuf { + for i in 0..8 { bufs.buf1[doff + i] = (bufs.buf1[doff - stride + i] + buf[i]) >> 1; } + } else { + for i in 0..8 { bufs.buf2[doff + i] = (bufs.buf2[doff - stride + i] + buf[i]) >> 1; } + } + } + + let start = if !topline { 0 } else { 1 }; + if bufs.fbuf { + for _ in start..h { + for i in 0..8 { bufs.buf1[didx + i] = buf[i]; } + didx += stride; + } + } else { + for _ in start..h { + for i in 0..8 { bufs.buf2[didx + i] = buf[i]; } + didx += stride; + } + } +} + +struct Indeo3Decoder { + info: Rc, + bpos: u8, + bbuf: u8, + width: u16, + height: u16, + mvs: Vec, + altquant: [u8; 16], + vq_offset: u8, + bufs: Buffers, +} + +#[derive(Clone,Copy)] +struct IV3Cell { + x: u16, + y: u16, + w: u16, + h: u16, + d: u8, + vqt: bool, + mv: Option, +} + +impl IV3Cell { + fn new(w: u16, h: u16) -> Self { + IV3Cell { x: 0, y: 0, w: w, h: h, d: 20, vqt: false, mv: None } + } + fn split_h(&self) -> (Self, Self) { + let h1 = if self.h > 2 { ((self.h + 2) >> 2) << 1 } else { 1 }; + let h2 = self.h - h1; + let mut cell1 = *self; + cell1.h = h1; + cell1.d -= 1; + let mut cell2 = *self; + cell2.y += h1; + cell2.h = h2; + cell2.d -= 1; + (cell1, cell2) + } + fn split_w(&self, stripw: u16) -> (Self, Self) { + let w1 = if self.w > stripw { + if self.w > stripw * 2 { stripw * 2 } else { stripw } + } else { + if self.w > 2 { ((self.w + 2) >> 2) << 1 } else { 1 } + }; + let w2 = self.w - w1; + let mut cell1 = *self; + cell1.w = w1; + cell1.d -= 1; + let mut cell2 = *self; + cell2.x += w1; + cell2.w = w2; + cell2.d -= 1; + (cell1, cell2) + } + fn no_mv(&self) -> bool { match self.mv { None => true, Some(_) => false } } +} + +struct CellDecParams { + tab: [usize; 2], + bw: u16, + bh: u16, + swap_q: [bool; 2], + hq: bool, + apply_delta: fn (&mut Buffers, usize, usize, &[u8], bool, bool), + copy_line_top: fn (&mut Buffers, usize, usize, bool), +} + +const FRMH_TAG: u32 = ((b'F' as u32) << 24) | ((b'R' as u32) << 16) + | ((b'M' as u32) << 8) | (b'H' as u32); + +const H_SPLIT: u8 = 0; +const V_SPLIT: u8 = 1; +const SKIP_OR_TREE: u8 = 2; + +impl Indeo3Decoder { + fn new() -> Self { + let dummy_info = Rc::new(DUMMY_CODEC_INFO); + Indeo3Decoder { info: dummy_info, bpos: 0, bbuf: 0, width: 0, height: 0, + mvs: Vec::new(), altquant: [0; 16], + vq_offset: 0, bufs: Buffers::new() } + } + + fn br_reset(&mut self) { + self.bpos = 0; + self.bbuf = 0; + } + + fn get_2bits(&mut self, br: &mut ByteReader) -> DecoderResult { + if self.bpos == 0 { + self.bbuf = br.read_byte()?; + self.bpos = 8; + } + self.bpos -= 2; + Ok((self.bbuf >> self.bpos) & 0x3) + } + + fn decode_cell_data(&mut self, br: &mut ByteReader, cell: IV3Cell, + off: usize, stride: usize, params: CellDecParams) -> DecoderResult<()> { + let blk_w = cell.w * 4 / params.bw; + let blk_h = cell.h * 4 / params.bh; + let scale: usize = if params.bh == 4 { 1 } else { 2 }; + + validate!((((cell.w * 4) % params.bw) == 0) && (((cell.h * 4) % params.bh) == 0)); + + let mut run_blocks = 0; + let mut run_skip = false; + + let mut didx: usize = ((cell.x*4) as usize) + ((cell.y * 4) as usize) * stride + off; + let mut sidx: usize; + if cell.no_mv() { + sidx = 0; + } else { + let mv = cell.mv.unwrap(); + let mx = mv.x as i16; + let my = mv.y as i16; + let l = (cell.x as i16) * 4 + mx; + let t = (cell.y as i16) * 4 + my; + let r = ((cell.x + cell.w) as i16) * 4 + mx; + let b = ((cell.y + cell.h) as i16) * 4 + my; + validate!(l >= 0); + validate!(t >= 0); + validate!(r <= (self.width as i16)); + validate!(b <= (self.height as i16)); + sidx = (l as usize) + (t as usize) * stride + off; + } + for y in 0..blk_h { + let mut xoff: usize = 0; + for _ in 0..blk_w { + if run_blocks > 0 { + if !run_skip || !cell.no_mv() { + if !(params.bw == 8 && cell.no_mv()) { + if !cell.no_mv() { + self.bufs.copy_block(didx + xoff, sidx + xoff, stride, + params.bw as usize, params.bh as usize); + } else { + self.bufs.fill_block(didx + xoff, stride, + params.bw as usize, params.bh as usize, + (cell.y == 0) && (y == 0)); + } + } else { + fill_block8x8(&mut self.bufs, + didx + xoff, stride, 8, + (y == 0), (cell.y == 0) && (y == 0)); + } + } + run_blocks -= 1; + } else { + let mut line: usize = 0; + while line < 4 { + let c = br.read_byte()?; + if c < 0xF8 { + let delta_tab = if params.hq { + IVI3_DELTA_CBS[params.tab[line & 1]] + } else { + IVI3_DELTA_CBS[params.tab[1]] + }; + let mut idx1; + let mut idx2; + if (c as usize) < delta_tab.data.len()/2 { + idx1 = br.read_byte()? as usize; + validate!(idx1 < delta_tab.data.len()); + idx2 = c as usize; + } else { + let tmp = (c as usize) - delta_tab.data.len()/2; + idx1 = tmp / (delta_tab.quad_radix as usize); + idx2 = tmp % (delta_tab.quad_radix as usize); + if params.swap_q[line & 1] { + mem::swap(&mut idx1, &mut idx2); + } + } + let deltas: [u8; 4] = [delta_tab.data[idx1 * 2] as u8, + delta_tab.data[idx1 * 2 + 1] as u8, + delta_tab.data[idx2 * 2 + 0] as u8, + delta_tab.data[idx2 * 2 + 1] as u8]; + let topline = (cell.y == 0) && (y == 0) && (line == 0); + let first_line = (y == 0) && (line == 0); + if cell.no_mv() { + (params.copy_line_top)(&mut self.bufs, + didx + xoff + line * scale * stride, + stride, topline); + } else { + self.bufs.copy_block(didx + xoff + line * scale * stride, + sidx + xoff + line * scale * stride, + stride, params.bw as usize, scale); + } + (params.apply_delta)(&mut self.bufs, + didx + xoff + line * scale * stride, + stride, &deltas, topline, first_line); + line += 1; + } else { + let mut tocopy: usize = 0; + let mut do_copy = true; + if c == 0xF8 { return Err(DecoderError::InvalidData); } + if c == 0xF9 { + run_blocks = 1; + run_skip = true; + validate!(line == 0); + tocopy = 4; + do_copy = !cell.no_mv(); + } + if c == 0xFA { + validate!(line == 0); + tocopy = 4; + do_copy = !cell.no_mv(); + } + if c == 0xFB { + let c = br.read_byte()?; + validate!((c < 64) && ((c & 0x1F) != 0)); + run_blocks = (c & 0x1F) - 1; + run_skip = (c & 0x20) != 0; + tocopy = 4 - line; + if params.bw == 4 && cell.no_mv() && run_skip { + do_copy = false; + } + } + if c == 0xFC { + run_skip = false; + run_blocks = 1; + tocopy = 4 - line; + } + if c >= 0xFD { + let nl = 257 - (c as i16) - (line as i16); + validate!(nl > 0); + tocopy = nl as usize; + } + if do_copy { + if !(params.bw == 8 && cell.no_mv()) { + if !cell.no_mv() { + self.bufs.copy_block(didx + xoff + line * scale * stride, + sidx + xoff + line * scale * stride, + stride, params.bw as usize, + tocopy * scale); + } else { + self.bufs.fill_block(didx + xoff + line * scale * stride, + stride, params.bw as usize, + tocopy * scale, + (cell.y == 0) && (y == 0) && (line == 0)); + } + } else { + fill_block8x8(&mut self.bufs, + didx + xoff + line * 2 * stride, + stride, tocopy * 2, + (y == 0) && (line == 0), + (cell.y == 0) && (y == 0) && (line == 0)); + } + } + line += tocopy; + } + } + } + xoff += params.bw as usize; + } + didx += stride * (params.bh as usize); + sidx += stride * (params.bh as usize); + } + Ok(()) + } + + fn copy_cell(&mut self, cell: IV3Cell, off: usize, stride: usize) -> DecoderResult<()> { + if cell.no_mv() { return Err(DecoderError::InvalidData); } + let mv = cell.mv.unwrap(); + let mx = mv.x as i16; + let my = mv.y as i16; + let l = (cell.x as i16) * 4 + mx; + let t = (cell.y as i16) * 4 + my; + let r = ((cell.x + cell.w) as i16) * 4 + mx; + let b = ((cell.y + cell.h) as i16) * 4 + my; + validate!(l >= 0); + validate!(t >= 0); + validate!(r <= (self.width as i16)); + validate!(b <= (self.height as i16)); + let sidx: usize = off + (l as usize) + (t as usize) * stride; + let didx: usize = off + ((cell.x * 4) as usize) + ((cell.y * 4) as usize) * stride; + self.bufs.copy_block(didx, sidx, stride, (cell.w * 4) as usize, (cell.h * 4) as usize); + Ok(()) + } + + fn decode_cell(&mut self, br: &mut ByteReader, cell: IV3Cell, off: usize, + stride: usize, intra: bool) -> DecoderResult<()> { + let code = br.read_byte()?; + let mode = code >> 4; + let vq_idx = code & 0xF; + + let mut idx1: usize = vq_idx as usize; + let mut idx2: usize = vq_idx as usize; + if (mode == 1) || (mode == 4) { + let c = self.altquant[vq_idx as usize]; + idx1 = (c >> 4) as usize; + idx2 = (c & 0xF) as usize; + } + + idx1 += self.vq_offset as usize; + idx2 += self.vq_offset as usize; + validate!((idx1 < 24) && (idx2 < 24)); + + let mut cp = CellDecParams { + tab: [idx2, idx1], + bw: 0, bh: 0, + swap_q: [idx2 >= 16, idx1 >= 16], + hq: false, + apply_delta: apply_delta4x4, + copy_line_top: copy_line_top4x4, + }; + if (mode == 0) || (mode == 1) { + cp.bw = 4; + cp.bh = 4; + cp.hq = true; + } else if (mode == 3) || (mode == 4) { + if !cell.no_mv() { return Err(DecoderError::InvalidData); } + cp.bw = 4; + cp.bh = 8; + cp.hq = true; + cp.apply_delta = apply_delta4x8; + cp.copy_line_top = copy_line_top4x8; + } else if mode == 10 { + if !cell.no_mv() { + validate!(!intra); + cp.apply_delta = apply_delta8x8p; + } else { + cp.apply_delta = apply_delta8x8i; + } + cp.bw = 8; + cp.bh = 8; + cp.copy_line_top = copy_line_top8x8; + } else if mode == 11 { + if cell.no_mv() { return Err(DecoderError::InvalidData); } + validate!(!intra); + cp.bw = 4; + cp.bh = 8; + cp.apply_delta = apply_delta4x8m11; + cp.copy_line_top = copy_line_top4x8; + } else { + return Err(DecoderError::InvalidData); + } + self.decode_cell_data(br, cell, off, stride, cp) + } + + fn parse_tree(&mut self, br: &mut ByteReader, cell: IV3Cell, off: usize, + stride: usize, stripw: u16, intra: bool) -> DecoderResult<()> { + let op = self.get_2bits(br)?; + if op == H_SPLIT { + validate!(cell.h > 1); + validate!(cell.d > 0); + let (cell1, cell2) = cell.split_h(); + self.parse_tree(br, cell1, off, stride, stripw, intra)?; + self.parse_tree(br, cell2, off, stride, stripw, intra)?; + Ok(()) + } else if op == V_SPLIT { + validate!(cell.w > 1); + validate!(cell.d > 0); + let (cell1, cell2) = cell.split_w(stripw); + self.parse_tree(br, cell1, off, stride, stripw, intra)?; + self.parse_tree(br, cell2, off, stride, stripw, intra)?; + Ok(()) + } else if op == SKIP_OR_TREE { + if !cell.vqt { + let mut newcell = cell; + newcell.vqt = true; + newcell.d -= 1; + self.parse_tree(br, newcell, off, stride, stripw, intra) + } else { + validate!(!intra); + let code = self.get_2bits(br)?; + validate!(code < 2); + if code == 1 { return Err(DecoderError::NotImplemented); } + self.copy_cell(cell, off, stride) + } + } else { + if !cell.vqt { + let mut newcell = cell; + newcell.vqt = true; + newcell.d -= 1; + let mv_idx = br.read_byte()? as usize; + validate!(mv_idx < self.mvs.len()); + newcell.mv = Some(self.mvs[mv_idx]); + self.parse_tree(br, newcell, off, stride, stripw, intra) + } else { + self.decode_cell(br, cell, off, stride, intra) + } + } + } + + fn decode_plane_intra(&mut self, br: &mut ByteReader, planeno: usize, + start: u64, end: u64) -> DecoderResult<()> { + let offs = self.bufs.get_offset(planeno); + let stride = self.bufs.get_stride(planeno); + br.seek(SeekFrom::Start(start))?; + + let nvec = br.read_u32le()?; + validate!(nvec == 0); // for intra there should be no mc_vecs + self.mvs.truncate(0); + for _ in 0..nvec { + let x = br.read_byte()? as i8; + let y = br.read_byte()? as i8; + self.mvs.push(MV{ x: x, y: y }); + } + + let shift = if planeno == 0 { 2 } else { 4 }; + let cell = IV3Cell::new((self.bufs.width >> shift) as u16, + (self.bufs.height >> shift) as u16); + self.br_reset(); + self.parse_tree(br, cell, offs, stride, if planeno > 0 { 10 } else { 40 }, true)?; + validate!(br.tell() <= end); + Ok(()) + } + + fn decode_plane_inter(&mut self, br: &mut ByteReader, planeno: usize, + start: u64, end: u64) -> DecoderResult<()> { + let offs = self.bufs.get_offset(planeno); + let stride = self.bufs.get_stride(planeno); + br.seek(SeekFrom::Start(start))?; + + let nvec = br.read_u32le()?; + validate!(nvec <= 256); // for intra there should be no mc_vecs + self.mvs.truncate(0); + for _ in 0..nvec { + let y = br.read_byte()? as i8; + let x = br.read_byte()? as i8; + self.mvs.push(MV{ x: x, y: y }); + } + + let shift = if planeno == 0 { 2 } else { 4 }; + let cell = IV3Cell::new((self.bufs.width >> shift) as u16, + (self.bufs.height >> shift) as u16); + self.br_reset(); + self.parse_tree(br, cell, offs, stride, if planeno > 0 { 10 } else { 40 }, false)?; + validate!(br.tell() <= end); + Ok(()) + } +} + +const FLAG_KEYFRAME: u16 = 1 << 2; +const FLAG_NONREF: u16 = 1 << 8; + +impl NADecoder for Indeo3Decoder { + fn init(&mut self, info: Rc) -> DecoderResult<()> { + if let NACodecTypeInfo::Video(vinfo) = info.get_properties() { + let w = vinfo.get_width(); + let h = vinfo.get_height(); + let fmt = formats::YUV410_FORMAT; + let myinfo = NACodecTypeInfo::Video(NAVideoInfo::new(w, h, false, fmt)); + self.info = Rc::new(NACodecInfo::new_ref(info.get_name(), myinfo, info.get_extradata())); + self.bufs.reset(); + Ok(()) + } else { + Err(DecoderError::InvalidData) + } + } + fn decode(&mut self, pkt: &NAPacket) -> DecoderResult { + let src = pkt.get_buffer(); + let mut mr = MemoryReader::new_read(&src); + let mut br = ByteReader::new(&mut mr); + let frameno = br.read_u32le()?; + let hdr_2 = br.read_u32le()?; + let check = br.read_u32le()?; + let size = br.read_u32le()?; + + let data_start = br.tell(); + + if (frameno ^ hdr_2 ^ size ^ FRMH_TAG) != check { + return Err(DecoderError::InvalidData); + } + if (size as i64) > br.left() { return Err(DecoderError::InvalidData); } + let ver = br.read_u16le()?; + if ver != 32 { return Err(DecoderError::NotImplemented); } + let flags = br.read_u16le()?; + let size2 = br.read_u32le()?; + validate!(((size2 + 7) >> 3) <= size); + let cb = br.read_byte()?; + self.vq_offset = cb; + br.read_skip(3)?; + let height = br.read_u16le()?; + let width = br.read_u16le()?; + validate!((width >= 16) && (width <= 640)); + validate!((height >= 16) && (height <= 640)); + validate!(((width & 3) == 0) && ((height & 3) == 0)); + if (self.bufs.width != (width as usize)) || (self.bufs.height != (height as usize)) { + self.bufs.alloc(width as usize, height as usize); + } + self.width = width; + self.height = height; + + let yoff = br.read_u32le()?; + let uoff = br.read_u32le()?; + let voff = br.read_u32le()?; + if yoff > size { return Err(DecoderError::InvalidData); } + if uoff > size { return Err(DecoderError::InvalidData); } + if voff > size { return Err(DecoderError::InvalidData); } + + br.read_skip(4)?; + br.read_buf(&mut self.altquant)?; + + let mut yend = src.len() as u32;//size; + if (uoff < yend) && (uoff > yoff) { yend = uoff; } + if (voff < yend) && (voff > yoff) { yend = voff; } + let mut uend = size; + if (yoff < uend) && (yoff > uoff) { uend = yoff; } + if (voff < uend) && (voff > uoff) { uend = voff; } + let mut vend = size; + if (yoff < vend) && (yoff > voff) { vend = yoff; } + if (uoff < vend) && (uoff > voff) { vend = uoff; } + + let interframe = (flags & FLAG_KEYFRAME) != 0; + let vinfo = self.info.get_properties().get_video_info().unwrap(); + let bufret = alloc_video_buffer(vinfo, 2); + if let Err(_) = bufret { return Err(DecoderError::InvalidData); } + let mut bufinfo = bufret.unwrap(); + let mut buf = bufinfo.get_vbuf().unwrap(); + let ystart = data_start + (yoff as u64); + let ustart = data_start + (uoff as u64); + let vstart = data_start + (voff as u64); + let yendpos = data_start + (yend as u64); + let uendpos = data_start + (uend as u64); + let vendpos = data_start + (vend as u64); + if interframe { + self.decode_plane_intra(&mut br, 0, ystart, yendpos)?; + self.decode_plane_intra(&mut br, 1, ustart, uendpos)?; + self.decode_plane_intra(&mut br, 2, vstart, vendpos)?; + } else { + self.decode_plane_inter(&mut br, 0, ystart, yendpos)?; + self.decode_plane_inter(&mut br, 1, ustart, uendpos)?; + self.decode_plane_inter(&mut br, 2, vstart, vendpos)?; + } + self.bufs.fill_framebuf(&mut buf); + if (flags & FLAG_NONREF) == 0 { self.bufs.flip(); } + let mut frm = NAFrame::new_from_pkt(pkt, self.info.clone(), bufinfo); + frm.set_keyframe(interframe); + frm.set_frame_type(if interframe { FrameType::I } else { FrameType::P }); + Ok(Rc::new(RefCell::new(frm))) + } +} + +#[cfg(test)] +mod test { + use codecs::*; + use demuxers::*; + use io::byteio::*; + use std::fs::File; + + #[test] + fn test_indeo3() { + let avi_dmx = find_demuxer("avi").unwrap(); + let mut file = File::open("assets/iv32_example.avi").unwrap(); + let mut fr = FileReader::new_read(&mut file); + let mut br = ByteReader::new(&mut fr); + let mut dmx = avi_dmx.new_demuxer(&mut br); + dmx.open().unwrap(); + + let mut decs: Vec>> = Vec::new(); + for i in 0..dmx.get_num_streams() { + let s = dmx.get_stream(i).unwrap(); + let info = s.get_info(); + let decfunc = find_decoder(info.get_name()); + if let Some(df) = decfunc { + let mut dec = (df)(); + dec.init(info).unwrap(); + decs.push(Some(dec)); + } else { + decs.push(None); +panic!("decoder {} not found", info.get_name()); + } + } + + loop { + let pktres = dmx.get_frame(); + if let Err(e) = pktres { + if e == DemuxerError::EOF { break; } + } + let pkt = pktres.unwrap(); + let streamno = pkt.get_stream().get_id() as usize; + if let Some(ref mut dec) = decs[streamno] { + let frm = dec.decode(&pkt).unwrap(); + if pkt.get_stream().get_info().is_video() { + write_pgmyuv("iv3", streamno, pkt.get_pts().unwrap(), frm); + } else { + write_sound("iv3", streamno, frm, pkt.get_pts().unwrap() == 0); + } + } + if pkt.get_pts().unwrap() > 10 { break; } + } + } +} +pub fn get_decoder() -> Box { + Box::new(Indeo3Decoder::new()) +} + +const DT_1_1: IviDeltaCB = IviDeltaCB{ quad_radix: 7, data: &[ + 0, 0, 2, 2, -2, -2, -1, 3, + 1, -3, 3, -1, -3, 1, 4, 4, + -4, -4, 1, 5, -1, -5, 5, 1, + -5, -1, -4, 4, 4, -4, -2, 6, + 2, -6, 6, -2, -6, 2, 4, 9, + -4, -9, 9, 4, -9, -4, 9, 9, + -9, -9, 1, 10, -1, -10, 10, 1, + -10, -1, -5, 8, 5, -8, 8, -5, + -8, 5, 9, 15, -9, -15, 15, 9, + -15, -9, -3, 12, 3, -12, 12, -3, + -12, 3, 4, 16, -4, -16, 16, 4, + -16, -4, 16, 16, -16, -16, 0, 18, + 0, -18, 18, 0, -18, 0, -12, 12, + 12, -12, -9, 16, 9, -16, 16, -9, + -16, 9, 11, 27, -11, -27, 27, 11, + -27, -11, 19, 28, -19, -28, 28, 19, + -28, -19, -6, 22, 6, -22, 22, -6, + -22, 6, 4, 29, -4, -29, 29, 4, + -29, -4, 30, 30, -30, -30, -2, 33, + 2, -33, 33, -2, -33, 2, -18, 23, + 18, -23, 23, -18, -23, 18, -15, 30, + 15, -30, 30, -15, -30, 15, 22, 46, + -22, -46, 46, 22, -46, -22, 13, 47, + -13, -47, 47, 13, -47, -13, 35, 49, + -35, -49, 49, 35, -49, -35, -11, 41, + 11, -41, 41, -11, -41, 11, 4, 51, + -4, -51, 51, 4, -51, -4, 54, 54, + -54, -54, -34, 34, 34, -34, -29, 42, + 29, -42, 42, -29, -42, 29, -6, 60, + 6, -60, 60, -6, -60, 6, 27, 76, + -27, -76, 76, 27, -76, -27, 43, 77, + -43, -77, 77, 43, -77, -43, -24, 55, + 24, -55, 55, -24, -55, 24, 14, 79, + -14, -79, 79, 14, -79, -14, 63, 83, + -63, -83, 83, 63, -83, -63, -20, 74, + 20, -74, 74, -20, -74, 20, 2, 88, + -2, -88, 88, 2, -88, -2, 93, 93, + -93, -93, -52, 61, 52, -61, 61, -52, + -61, 52, 52, 120, -52, -120, 120, 52, + -120, -52, -45, 75, 45, -75, 75, -45, + -75, 45, 75, 125, -75, -125, 125, 75, + -125, -75, 33, 122, -33, -122, 122, 33, + -122, -33, -13, 103, 13, -103, 103, -13, + -103, 13, -40, 96, 40, -96, 96, -40, + -96, 40, -34, 127, 34, -127, 127, -34, + -127, 34, -89, 89, 89, -89, -78, 105, + 78, -105, 105, -78, -105, 78, 12, 12, + -12, -12, 23, 23, -23, -23, 42, 42, + -42, -42, 73, 73, -73, -73, +]}; + +const DT_1_2: IviDeltaCB = IviDeltaCB{ quad_radix: 9, data: &[ + 0, 0, 3, 3, -3, -3, -1, 4, + 1, -4, 4, -1, -4, 1, 7, 7, + -7, -7, 2, 8, -2, -8, 8, 2, + -8, -2, -2, 9, 2, -9, 9, -2, + -9, 2, -6, 6, 6, -6, 6, 13, + -6, -13, 13, 6, -13, -6, 13, 13, + -13, -13, 1, 14, -1, -14, 14, 1, + -14, -1, -8, 12, 8, -12, 12, -8, + -12, 8, 14, 23, -14, -23, 23, 14, + -23, -14, -5, 18, 5, -18, 18, -5, + -18, 5, 6, 24, -6, -24, 24, 6, + -24, -6, 24, 24, -24, -24, -1, 27, + 1, -27, 27, -1, -27, 1, -17, 17, + 17, -17, -13, 23, 13, -23, 23, -13, + -23, 13, 16, 40, -16, -40, 40, 16, + -40, -16, 28, 41, -28, -41, 41, 28, + -41, -28, -9, 33, 9, -33, 33, -9, + -33, 9, 6, 43, -6, -43, 43, 6, + -43, -6, 46, 46, -46, -46, -4, 50, + 4, -50, 50, -4, -50, 4, -27, 34, + 27, -34, 34, -27, -34, 27, -22, 45, + 22, -45, 45, -22, -45, 22, 34, 69, + -34, -69, 69, 34, -69, -34, 19, 70, + -19, -70, 70, 19, -70, -19, 53, 73, + -53, -73, 73, 53, -73, -53, -17, 62, + 17, -62, 62, -17, -62, 17, 5, 77, + -5, -77, 77, 5, -77, -5, 82, 82, + -82, -82, -51, 51, 51, -51, -43, 64, + 43, -64, 64, -43, -64, 43, -10, 90, + 10, -90, 90, -10, -90, 10, 41, 114, + -41, -114, 114, 41, -114, -41, 64, 116, + -64, -116, 116, 64, -116, -64, -37, 82, + 37, -82, 82, -37, -82, 37, 22, 119, + -22, -119, 119, 22, -119, -22, 95, 124, + -95, -124, 124, 95, -124, -95, -30, 111, + 30, -111, 111, -30, -111, 30, -78, 92, + 78, -92, 92, -78, -92, 78, -68, 113, + 68, -113, 113, -68, -113, 68, 18, 18, + -18, -18, 34, 34, -34, -34, 63, 63, + -63, -63, 109, 109, -109, -109, +]}; + +const DT_1_3: IviDeltaCB = IviDeltaCB{ quad_radix: 10, data: &[ + 0, 0, 4, 4, -4, -4, -1, 5, + 1, -5, 5, -1, -5, 1, 3, 10, + -3, -10, 10, 3, -10, -3, 9, 9, + -9, -9, -7, 7, 7, -7, -3, 12, + 3, -12, 12, -3, -12, 3, 8, 17, + -8, -17, 17, 8, -17, -8, 17, 17, + -17, -17, 1, 19, -1, -19, 19, 1, + -19, -1, -11, 16, 11, -16, 16, -11, + -16, 11, -6, 23, 6, -23, 23, -6, + -23, 6, 18, 31, -18, -31, 31, 18, + -31, -18, 8, 32, -8, -32, 32, 8, + -32, -8, 33, 33, -33, -33, -1, 36, + 1, -36, 36, -1, -36, 1, -23, 23, + 23, -23, -17, 31, 17, -31, 31, -17, + -31, 17, 21, 54, -21, -54, 54, 21, + -54, -21, 37, 55, -37, -55, 55, 37, + -55, -37, -12, 44, 12, -44, 44, -12, + -44, 12, 8, 57, -8, -57, 57, 8, + -57, -8, 61, 61, -61, -61, -5, 66, + 5, -66, 66, -5, -66, 5, -36, 45, + 36, -45, 45, -36, -45, 36, -29, 60, + 29, -60, 60, -29, -60, 29, 45, 92, + -45, -92, 92, 45, -92, -45, 25, 93, + -25, -93, 93, 25, -93, -25, 71, 97, + -71, -97, 97, 71, -97, -71, -22, 83, + 22, -83, 83, -22, -83, 22, 7, 102, + -7, -102, 102, 7, -102, -7, 109, 109, + -109, -109, -68, 68, 68, -68, -57, 85, + 57, -85, 85, -57, -85, 57, -13, 120, + 13, -120, 120, -13, -120, 13, -49, 110, + 49, -110, 110, -49, -110, 49, -104, 123, + 104, -123, 123, -104, -123, 104, 24, 24, + -24, -24, 46, 46, -46, -46, 84, 84, + -84, -84, +]}; + +const DT_1_4: IviDeltaCB = IviDeltaCB{ quad_radix: 11, data: &[ + 0, 0, 5, 5, -5, -5, -2, 7, + 2, -7, 7, -2, -7, 2, 11, 11, + -11, -11, 3, 13, -3, -13, 13, 3, + -13, -3, -9, 9, 9, -9, -4, 15, + 4, -15, 15, -4, -15, 4, 11, 22, + -11, -22, 22, 11, -22, -11, 21, 21, + -21, -21, 2, 24, -2, -24, 24, 2, + -24, -2, -14, 20, 14, -20, 20, -14, + -20, 14, 23, 38, -23, -38, 38, 23, + -38, -23, -8, 29, 8, -29, 29, -8, + -29, 8, 11, 39, -11, -39, 39, 11, + -39, -11, 41, 41, -41, -41, -1, 45, + 1, -45, 45, -1, -45, 1, -29, 29, + 29, -29, -22, 39, 22, -39, 39, -22, + -39, 22, 27, 67, -27, -67, 67, 27, + -67, -27, 47, 69, -47, -69, 69, 47, + -69, -47, -15, 56, 15, -56, 56, -15, + -56, 15, 11, 71, -11, -71, 71, 11, + -71, -11, 76, 76, -76, -76, -6, 83, + 6, -83, 83, -6, -83, 6, -45, 57, + 45, -57, 57, -45, -57, 45, -36, 75, + 36, -75, 75, -36, -75, 36, 56, 115, + -56, -115, 115, 56, -115, -56, 31, 117, + -31, -117, 117, 31, -117, -31, 88, 122, + -88, -122, 122, 88, -122, -88, -28, 104, + 28, -104, 104, -28, -104, 28, -85, 85, + 85, -85, -72, 106, 72, -106, 106, -72, + -106, 72, 30, 30, -30, -30, 58, 58, + -58, -58, 105, 105, -105, -105, +]}; + +const DT_1_5: IviDeltaCB = IviDeltaCB{ quad_radix: 12, data: &[ + 0, 0, 6, 6, -6, -6, -2, 8, + 2, -8, 8, -2, -8, 2, 13, 13, + -13, -13, 4, 15, -4, -15, 15, 4, + -15, -4, -11, 11, 11, -11, -5, 18, + 5, -18, 18, -5, -18, 5, 13, 26, + -13, -26, 26, 13, -26, -13, 26, 26, + -26, -26, 2, 29, -2, -29, 29, 2, + -29, -2, -16, 24, 16, -24, 24, -16, + -24, 16, 28, 46, -28, -46, 46, 28, + -46, -28, -9, 35, 9, -35, 35, -9, + -35, 9, 13, 47, -13, -47, 47, 13, + -47, -13, 49, 49, -49, -49, -1, 54, + 1, -54, 54, -1, -54, 1, -35, 35, + 35, -35, -26, 47, 26, -47, 47, -26, + -47, 26, 32, 81, -32, -81, 81, 32, + -81, -32, 56, 83, -56, -83, 83, 56, + -83, -56, -18, 67, 18, -67, 67, -18, + -67, 18, 13, 86, -13, -86, 86, 13, + -86, -13, 91, 91, -91, -91, -7, 99, + 7, -99, 99, -7, -99, 7, -54, 68, + 54, -68, 68, -54, -68, 54, -44, 90, + 44, -90, 90, -44, -90, 44, -33, 124, + 33, -124, 124, -33, -124, 33, -103, 103, + 103, -103, -86, 127, 86, -127, 127, -86, + -127, 86, 37, 37, -37, -37, 69, 69, + -69, -69, +]}; + +const DT_1_6: IviDeltaCB = IviDeltaCB{ quad_radix: 12, data: &[ + 0, 0, 7, 7, -7, -7, -3, 10, + 3, -10, 10, -3, -10, 3, 16, 16, + -16, -16, 5, 18, -5, -18, 18, 5, + -18, -5, -13, 13, 13, -13, -6, 21, + 6, -21, 21, -6, -21, 6, 15, 30, + -15, -30, 30, 15, -30, -15, 30, 30, + -30, -30, 2, 34, -2, -34, 34, 2, + -34, -2, -19, 28, 19, -28, 28, -19, + -28, 19, 32, 54, -32, -54, 54, 32, + -54, -32, -11, 41, 11, -41, 41, -11, + -41, 11, 15, 55, -15, -55, 55, 15, + -55, -15, 57, 57, -57, -57, -1, 63, + 1, -63, 63, -1, -63, 1, -40, 40, + 40, -40, -30, 55, 30, -55, 55, -30, + -55, 30, 37, 94, -37, -94, 94, 37, + -94, -37, 65, 96, -65, -96, 96, 65, + -96, -65, -21, 78, 21, -78, 78, -21, + -78, 21, 15, 100, -15, -100, 100, 15, + -100, -15, 106, 106, -106, -106, -8, 116, + 8, -116, 116, -8, -116, 8, -63, 79, + 63, -79, 79, -63, -79, 63, -51, 105, + 51, -105, 105, -51, -105, 51, -120, 120, + 120, -120, 43, 43, -43, -43, 80, 80, + -80, -80, +]}; + +const DT_1_7: IviDeltaCB = IviDeltaCB{ quad_radix: 12, data: &[ + 0, 0, 8, 8, -8, -8, -3, 11, + 3, -11, 11, -3, -11, 3, 18, 18, + -18, -18, 5, 20, -5, -20, 20, 5, + -20, -5, -15, 15, 15, -15, -7, 24, + 7, -24, 24, -7, -24, 7, 17, 35, + -17, -35, 35, 17, -35, -17, 34, 34, + -34, -34, 3, 38, -3, -38, 38, 3, + -38, -3, -22, 32, 22, -32, 32, -22, + -32, 22, 37, 61, -37, -61, 61, 37, + -61, -37, -13, 47, 13, -47, 47, -13, + -47, 13, 17, 63, -17, -63, 63, 17, + -63, -17, 65, 65, -65, -65, -1, 72, + 1, -72, 72, -1, -72, 1, -46, 46, + 46, -46, -35, 63, 35, -63, 63, -35, + -63, 35, 43, 107, -43, -107, 107, 43, + -107, -43, 75, 110, -75, -110, 110, 75, + -110, -75, -24, 89, 24, -89, 89, -24, + -89, 24, 17, 114, -17, -114, 114, 17, + -114, -17, 121, 121, -121, -121, -72, 91, + 72, -91, 91, -72, -91, 72, -58, 120, + 58, -120, 120, -58, -120, 58, 49, 49, + -49, -49, 92, 92, -92, -92, +]}; + +const DT_1_8: IviDeltaCB = IviDeltaCB{ quad_radix: 13, data: &[ + 0, 0, 9, 9, -9, -9, -3, 12, + 3, -12, 12, -3, -12, 3, 20, 20, + -20, -20, 6, 23, -6, -23, 23, 6, + -23, -6, -17, 17, 17, -17, -7, 27, + 7, -27, 27, -7, -27, 7, 19, 39, + -19, -39, 39, 19, -39, -19, 39, 39, + -39, -39, 3, 43, -3, -43, 43, 3, + -43, -3, -24, 36, 24, -36, 36, -24, + -36, 24, 42, 69, -42, -69, 69, 42, + -69, -42, -14, 53, 14, -53, 53, -14, + -53, 14, 19, 71, -19, -71, 71, 19, + -71, -19, 73, 73, -73, -73, -2, 80, + 2, -80, 80, -2, -80, 2, -52, 52, + 52, -52, -39, 70, 39, -70, 70, -39, + -70, 39, 48, 121, -48, -121, 121, 48, + -121, -48, 84, 124, -84, -124, 124, 84, + -124, -84, -27, 100, 27, -100, 100, -27, + -100, 27, -81, 102, 81, -102, 102, -81, + -102, 81, 55, 55, -55, -55, 104, 104, + -104, -104, +]}; + +const DT_2_1: IviDeltaCB = IviDeltaCB{ quad_radix: 7, data: &[ + 0, 0, 2, 2, -2, -2, 0, 2, + 0, -2, 2, 0, -2, 0, 4, 4, + -4, -4, 0, 4, 0, -4, 4, 0, + -4, 0, -4, 4, 4, -4, -2, 6, + 2, -6, 6, -2, -6, 2, 4, 8, + -4, -8, 8, 4, -8, -4, 8, 8, + -8, -8, 0, 10, 0, -10, 10, 0, + -10, 0, -4, 8, 4, -8, 8, -4, + -8, 4, 8, 14, -8, -14, 14, 8, + -14, -8, -2, 12, 2, -12, 12, -2, + -12, 2, 4, 16, -4, -16, 16, 4, + -16, -4, 16, 16, -16, -16, 0, 18, + 0, -18, 18, 0, -18, 0, -12, 12, + 12, -12, -8, 16, 8, -16, 16, -8, + -16, 8, 10, 26, -10, -26, 26, 10, + -26, -10, 18, 28, -18, -28, 28, 18, + -28, -18, -6, 22, 6, -22, 22, -6, + -22, 6, 4, 28, -4, -28, 28, 4, + -28, -4, 30, 30, -30, -30, -2, 32, + 2, -32, 32, -2, -32, 2, -18, 22, + 18, -22, 22, -18, -22, 18, -14, 30, + 14, -30, 30, -14, -30, 14, 22, 46, + -22, -46, 46, 22, -46, -22, 12, 46, + -12, -46, 46, 12, -46, -12, 34, 48, + -34, -48, 48, 34, -48, -34, -10, 40, + 10, -40, 40, -10, -40, 10, 4, 50, + -4, -50, 50, 4, -50, -4, 54, 54, + -54, -54, -34, 34, 34, -34, -28, 42, + 28, -42, 42, -28, -42, 28, -6, 60, + 6, -60, 60, -6, -60, 6, 26, 76, + -26, -76, 76, 26, -76, -26, 42, 76, + -42, -76, 76, 42, -76, -42, -24, 54, + 24, -54, 54, -24, -54, 24, 14, 78, + -14, -78, 78, 14, -78, -14, 62, 82, + -62, -82, 82, 62, -82, -62, -20, 74, + 20, -74, 74, -20, -74, 20, 2, 88, + -2, -88, 88, 2, -88, -2, 92, 92, + -92, -92, -52, 60, 52, -60, 60, -52, + -60, 52, 52, 118, -52, -118, 118, 52, + -118, -52, -44, 74, 44, -74, 74, -44, + -74, 44, 74, 118, -74, -118, 118, 74, + -118, -74, 32, 118, -32, -118, 118, 32, + -118, -32, -12, 102, 12, -102, 102, -12, + -102, 12, -40, 96, 40, -96, 96, -40, + -96, 40, -34, 118, 34, -118, 118, -34, + -118, 34, -88, 88, 88, -88, -78, 104, + 78, -104, 104, -78, -104, 78, 12, 12, + -12, -12, 22, 22, -22, -22, 42, 42, + -42, -42, 72, 72, -72, -72, +]}; + +const DT_2_2: IviDeltaCB = IviDeltaCB{ quad_radix: 9, data: &[ + 0, 0, 3, 3, -3, -3, 0, 3, + 0, -3, 3, 0, -3, 0, 6, 6, + -6, -6, 3, 9, -3, -9, 9, 3, + -9, -3, -3, 9, 3, -9, 9, -3, + -9, 3, -6, 6, 6, -6, 6, 12, + -6, -12, 12, 6, -12, -6, 12, 12, + -12, -12, 0, 15, 0, -15, 15, 0, + -15, 0, -9, 12, 9, -12, 12, -9, + -12, 9, 15, 24, -15, -24, 24, 15, + -24, -15, -6, 18, 6, -18, 18, -6, + -18, 6, 6, 24, -6, -24, 24, 6, + -24, -6, 24, 24, -24, -24, 0, 27, + 0, -27, 27, 0, -27, 0, -18, 18, + 18, -18, -12, 24, 12, -24, 24, -12, + -24, 12, 15, 39, -15, -39, 39, 15, + -39, -15, 27, 42, -27, -42, 42, 27, + -42, -27, -9, 33, 9, -33, 33, -9, + -33, 9, 6, 42, -6, -42, 42, 6, + -42, -6, 45, 45, -45, -45, -3, 51, + 3, -51, 51, -3, -51, 3, -27, 33, + 27, -33, 33, -27, -33, 27, -21, 45, + 21, -45, 45, -21, -45, 21, 33, 69, + -33, -69, 69, 33, -69, -33, 18, 69, + -18, -69, 69, 18, -69, -18, 54, 72, + -54, -72, 72, 54, -72, -54, -18, 63, + 18, -63, 63, -18, -63, 18, 6, 78, + -6, -78, 78, 6, -78, -6, 81, 81, + -81, -81, -51, 51, 51, -51, -42, 63, + 42, -63, 63, -42, -63, 42, -9, 90, + 9, -90, 90, -9, -90, 9, 42, 114, + -42, -114, 114, 42, -114, -42, 63, 117, + -63, -117, 117, 63, -117, -63, -36, 81, + 36, -81, 81, -36, -81, 36, 21, 120, + -21, -120, 120, 21, -120, -21, 96, 123, + -96, -123, 123, 96, -123, -96, -30, 111, + 30, -111, 111, -30, -111, 30, -78, 93, + 78, -93, 93, -78, -93, 78, -69, 114, + 69, -114, 114, -69, -114, 69, 18, 18, + -18, -18, 33, 33, -33, -33, 63, 63, + -63, -63, 108, 108, -108, -108, +]}; + +const DT_2_3: IviDeltaCB = IviDeltaCB{ quad_radix: 10, data: &[ + 0, 0, 4, 4, -4, -4, 0, 4, + 0, -4, 4, 0, -4, 0, 4, 8, + -4, -8, 8, 4, -8, -4, 8, 8, + -8, -8, -8, 8, 8, -8, -4, 12, + 4, -12, 12, -4, -12, 4, 8, 16, + -8, -16, 16, 8, -16, -8, 16, 16, + -16, -16, 0, 20, 0, -20, 20, 0, + -20, 0, -12, 16, 12, -16, 16, -12, + -16, 12, -4, 24, 4, -24, 24, -4, + -24, 4, 16, 32, -16, -32, 32, 16, + -32, -16, 8, 32, -8, -32, 32, 8, + -32, -8, 32, 32, -32, -32, 0, 36, + 0, -36, 36, 0, -36, 0, -24, 24, + 24, -24, -16, 32, 16, -32, 32, -16, + -32, 16, 20, 52, -20, -52, 52, 20, + -52, -20, 36, 56, -36, -56, 56, 36, + -56, -36, -12, 44, 12, -44, 44, -12, + -44, 12, 8, 56, -8, -56, 56, 8, + -56, -8, 60, 60, -60, -60, -4, 64, + 4, -64, 64, -4, -64, 4, -36, 44, + 36, -44, 44, -36, -44, 36, -28, 60, + 28, -60, 60, -28, -60, 28, 44, 92, + -44, -92, 92, 44, -92, -44, 24, 92, + -24, -92, 92, 24, -92, -24, 72, 96, + -72, -96, 96, 72, -96, -72, -20, 84, + 20, -84, 84, -20, -84, 20, 8, 100, + -8, -100, 100, 8, -100, -8, 108, 108, + -108, -108, -68, 68, 68, -68, -56, 84, + 56, -84, 84, -56, -84, 56, -12, 120, + 12, -120, 120, -12, -120, 12, -48, 108, + 48, -108, 108, -48, -108, 48, -104, 124, + 104, -124, 124, -104, -124, 104, 24, 24, + -24, -24, 44, 44, -44, -44, 84, 84, + -84, -84, +]}; + +const DT_2_4: IviDeltaCB = IviDeltaCB{ quad_radix: 11, data: &[ + 0, 0, 5, 5, -5, -5, 0, 5, + 0, -5, 5, 0, -5, 0, 10, 10, + -10, -10, 5, 15, -5, -15, 15, 5, + -15, -5, -10, 10, 10, -10, -5, 15, + 5, -15, 15, -5, -15, 5, 10, 20, + -10, -20, 20, 10, -20, -10, 20, 20, + -20, -20, 0, 25, 0, -25, 25, 0, + -25, 0, -15, 20, 15, -20, 20, -15, + -20, 15, 25, 40, -25, -40, 40, 25, + -40, -25, -10, 30, 10, -30, 30, -10, + -30, 10, 10, 40, -10, -40, 40, 10, + -40, -10, 40, 40, -40, -40, 0, 45, + 0, -45, 45, 0, -45, 0, -30, 30, + 30, -30, -20, 40, 20, -40, 40, -20, + -40, 20, 25, 65, -25, -65, 65, 25, + -65, -25, 45, 70, -45, -70, 70, 45, + -70, -45, -15, 55, 15, -55, 55, -15, + -55, 15, 10, 70, -10, -70, 70, 10, + -70, -10, 75, 75, -75, -75, -5, 85, + 5, -85, 85, -5, -85, 5, -45, 55, + 45, -55, 55, -45, -55, 45, -35, 75, + 35, -75, 75, -35, -75, 35, 55, 115, + -55, -115, 115, 55, -115, -55, 30, 115, + -30, -115, 115, 30, -115, -30, 90, 120, + -90, -120, 120, 90, -120, -90, -30, 105, + 30, -105, 105, -30, -105, 30, -85, 85, + 85, -85, -70, 105, 70, -105, 105, -70, + -105, 70, 30, 30, -30, -30, 60, 60, + -60, -60, 105, 105, -105, -105, +]}; + +const DT_2_5: IviDeltaCB = IviDeltaCB{ quad_radix: 12, data: &[ + 0, 0, 6, 6, -6, -6, 0, 6, + 0, -6, 6, 0, -6, 0, 12, 12, + -12, -12, 6, 12, -6, -12, 12, 6, + -12, -6, -12, 12, 12, -12, -6, 18, + 6, -18, 18, -6, -18, 6, 12, 24, + -12, -24, 24, 12, -24, -12, 24, 24, + -24, -24, 0, 30, 0, -30, 30, 0, + -30, 0, -18, 24, 18, -24, 24, -18, + -24, 18, 30, 48, -30, -48, 48, 30, + -48, -30, -6, 36, 6, -36, 36, -6, + -36, 6, 12, 48, -12, -48, 48, 12, + -48, -12, 48, 48, -48, -48, 0, 54, + 0, -54, 54, 0, -54, 0, -36, 36, + 36, -36, -24, 48, 24, -48, 48, -24, + -48, 24, 30, 78, -30, -78, 78, 30, + -78, -30, 54, 84, -54, -84, 84, 54, + -84, -54, -18, 66, 18, -66, 66, -18, + -66, 18, 12, 84, -12, -84, 84, 12, + -84, -12, 90, 90, -90, -90, -6, 96, + 6, -96, 96, -6, -96, 6, -54, 66, + 54, -66, 66, -54, -66, 54, -42, 90, + 42, -90, 90, -42, -90, 42, -30, 126, + 30, -126, 126, -30, -126, 30, -102, 102, + 102, -102, -84, 126, 84, -126, 126, -84, + -126, 84, 36, 36, -36, -36, 66, 66, + -66, -66, +]}; + +const DT_2_6: IviDeltaCB = IviDeltaCB{ quad_radix: 12, data: &[ + 0, 0, 7, 7, -7, -7, 0, 7, + 0, -7, 7, 0, -7, 0, 14, 14, + -14, -14, 7, 21, -7, -21, 21, 7, + -21, -7, -14, 14, 14, -14, -7, 21, + 7, -21, 21, -7, -21, 7, 14, 28, + -14, -28, 28, 14, -28, -14, 28, 28, + -28, -28, 0, 35, 0, -35, 35, 0, + -35, 0, -21, 28, 21, -28, 28, -21, + -28, 21, 35, 56, -35, -56, 56, 35, + -56, -35, -14, 42, 14, -42, 42, -14, + -42, 14, 14, 56, -14, -56, 56, 14, + -56, -14, 56, 56, -56, -56, 0, 63, + 0, -63, 63, 0, -63, 0, -42, 42, + 42, -42, -28, 56, 28, -56, 56, -28, + -56, 28, 35, 91, -35, -91, 91, 35, + -91, -35, 63, 98, -63, -98, 98, 63, + -98, -63, -21, 77, 21, -77, 77, -21, + -77, 21, 14, 98, -14, -98, 98, 14, + -98, -14, 105, 105, -105, -105, -7, 119, + 7, -119, 119, -7, -119, 7, -63, 77, + 63, -77, 77, -63, -77, 63, -49, 105, + 49, -105, 105, -49, -105, 49, -119, 119, + 119, -119, 42, 42, -42, -42, 77, 77, + -77, -77, +]}; + +const DT_2_7: IviDeltaCB = IviDeltaCB{ quad_radix: 12, data: &[ + 0, 0, 8, 8, -8, -8, 0, 8, + 0, -8, 8, 0, -8, 0, 16, 16, + -16, -16, 8, 16, -8, -16, 16, 8, + -16, -8, -16, 16, 16, -16, -8, 24, + 8, -24, 24, -8, -24, 8, 16, 32, + -16, -32, 32, 16, -32, -16, 32, 32, + -32, -32, 0, 40, 0, -40, 40, 0, + -40, 0, -24, 32, 24, -32, 32, -24, + -32, 24, 40, 64, -40, -64, 64, 40, + -64, -40, -16, 48, 16, -48, 48, -16, + -48, 16, 16, 64, -16, -64, 64, 16, + -64, -16, 64, 64, -64, -64, 0, 72, + 0, -72, 72, 0, -72, 0, -48, 48, + 48, -48, -32, 64, 32, -64, 64, -32, + -64, 32, 40, 104, -40, -104, 104, 40, + -104, -40, 72, 112, -72, -112, 112, 72, + -112, -72, -24, 88, 24, -88, 88, -24, + -88, 24, 16, 112, -16, -112, 112, 16, + -112, -16, 120, 120, -120, -120, -72, 88, + 72, -88, 88, -72, -88, 72, -56, 120, + 56, -120, 120, -56, -120, 56, 48, 48, + -48, -48, 88, 88, -88, -88, +]}; + +const DT_2_8: IviDeltaCB = IviDeltaCB{ quad_radix: 13, data: &[ + 0, 0, 9, 9, -9, -9, 0, 9, + 0, -9, 9, 0, -9, 0, 18, 18, + -18, -18, 9, 27, -9, -27, 27, 9, + -27, -9, -18, 18, 18, -18, -9, 27, + 9, -27, 27, -9, -27, 9, 18, 36, + -18, -36, 36, 18, -36, -18, 36, 36, + -36, -36, 0, 45, 0, -45, 45, 0, + -45, 0, -27, 36, 27, -36, 36, -27, + -36, 27, 45, 72, -45, -72, 72, 45, + -72, -45, -18, 54, 18, -54, 54, -18, + -54, 18, 18, 72, -18, -72, 72, 18, + -72, -18, 72, 72, -72, -72, 0, 81, + 0, -81, 81, 0, -81, 0, -54, 54, + 54, -54, -36, 72, 36, -72, 72, -36, + -72, 36, 45, 117, -45, -117, 117, 45, + -117, -45, 81, 126, -81, -126, 126, 81, + -126, -81, -27, 99, 27, -99, 99, -27, + -99, 27, -81, 99, 81, -99, 99, -81, + -99, 81, 54, 54, -54, -54, 108, 108, + -108, -108, +]}; + +const DT_3_1: IviDeltaCB = IviDeltaCB{ quad_radix: 11, data: &[ + 0, 0, 2, 2, -2, -2, 0, 3, + 0, -3, 3, 0, -3, 0, 6, 6, + -6, -6, 0, 7, 0, -7, 7, 0, + -7, 0, -5, 5, 5, -5, 5, -5, + -5, 5, 6, 11, -6, -11, 11, 6, + -11, -6, 0, 8, 0, -8, 8, 0, + -8, 0, 11, 11, -11, -11, 0, 12, + 0, -12, 12, 0, -12, 0, 12, 17, + -12, -17, 17, 12, -17, -12, 17, 17, + -17, -17, 6, 18, -6, -18, 18, 6, + -18, -6, -8, 11, 8, -11, 11, -8, + -11, 8, 0, 15, 0, -15, 15, 0, + -15, 0, 0, 20, 0, -20, 20, 0, + -20, 0, 18, 25, -18, -25, 25, 18, + -25, -18, 11, 25, -11, -25, 25, 11, + -25, -11, 25, 25, -25, -25, -14, 14, + 14, -14, 14, -14, -14, 14, 0, 26, + 0, -26, 26, 0, -26, 0, -11, 18, + 11, -18, 18, -11, -18, 11, -7, 22, + 7, -22, 22, -7, -22, 7, 26, 34, + -26, -34, 34, 26, -34, -26, 18, 34, + -18, -34, 34, 18, -34, -18, 34, 34, + -34, -34, 11, 35, -11, -35, 35, 11, + -35, -11, 0, 29, 0, -29, 29, 0, + -29, 0, -19, 22, 19, -22, 22, -19, + -22, 19, -15, 26, 15, -26, 26, -15, + -26, 15, 0, 37, 0, -37, 37, 0, + -37, 0, 27, 44, -27, -44, 44, 27, + -44, -27, 36, 44, -36, -44, 44, 36, + -44, -36, 18, 44, -18, -44, 44, 18, + -44, -18, -10, 33, 10, -33, 33, -10, + -33, 10, 45, 45, -45, -45, 0, 0, +]}; + +const DT_3_2: IviDeltaCB = IviDeltaCB{ quad_radix: 13, data: &[ + 0, 0, 0, 2, 0, -2, 2, 0, + -2, 0, 2, 2, -2, -2, 6, 6, + -6, -6, 0, 6, 0, -6, 6, 0, + -6, 0, -4, 4, 4, -4, 10, -6, + -10, 6, 0, -12, 0, 12, -6, -12, + 6, -12, -6, 12, 6, 12, -14, 0, + 14, 0, 12, 12, -12, -12, 0, -18, + 0, 18, 14, -12, -14, 12, -18, -6, + 18, -6, -18, 6, 18, 6, -10, -18, + 10, -18, -10, 18, 10, 18, -22, 0, + 22, 0, 0, -24, 0, 24, -22, -12, + 22, -12, -22, 12, 22, 12, -8, -24, + 8, -24, -8, 24, 8, 24, -26, -6, + 26, -6, -26, 6, 26, 6, -28, 0, + 28, 0, 20, 20, -20, -20, -14, -26, + 14, 26, -30, -12, 30, 12, -10, -32, + 10, 32, -18, -32, 18, 32, -26, -26, + 26, 26, -34, -20, 34, 20, -38, -12, + 38, 12, -32, -32, 32, 32, 32, 32, + -22, -40, -34, -34, 34, 34, +]}; + +const DT_3_3: IviDeltaCB = IviDeltaCB{ quad_radix: 13, data: &[ + 0, 0, 0, 2, 0, -2, 2, 0, + -2, 0, 4, 4, -4, -4, 10, 10, + -10, -10, 0, 10, 0, -10, 10, 0, + -10, 0, -6, 6, 6, -6, 14, -8, + -14, 8, -18, 0, 18, 0, 10, -16, + -10, 16, 0, -24, 0, 24, -24, -8, + 24, -8, -24, 8, 24, 8, 18, 18, + -18, -18, 20, -16, -20, 16, -14, -26, + 14, -26, -14, 26, 14, 26, -30, 0, + 30, 0, 0, -34, 0, 34, -34, -8, + 34, -8, -34, 8, 34, 8, -30, -18, + 30, -18, -30, 18, 30, 18, -10, -34, + 10, -34, -10, 34, 10, 34, -20, -34, + 20, 34, -40, 0, 40, 0, 30, 30, + -30, -30, -40, -18, 40, 18, 0, -44, + 0, 44, -16, -44, 16, 44, -36, -36, + -36, -36, 36, 36, -26, -44, 26, 44, + -46, -26, 46, 26, -52, -18, 52, 18, + -20, -54, -44, -44, 44, 44, -32, -54, + -46, -46, -46, -46, 46, 46, +]}; + +const DT_3_4: IviDeltaCB = IviDeltaCB{ quad_radix: 13, data: &[ + 0, 0, 0, 4, 0, -4, 4, 0, + -4, 0, 4, 4, -4, -4, 12, 12, + -12, -12, 0, 12, 0, -12, 12, 0, + -12, 0, -8, 8, 8, -8, 8, -16, + -8, 16, 0, -24, 0, 24, -24, -8, + 24, -8, -24, 8, 24, 8, 20, -16, + -20, 16, -28, 0, 28, 0, -16, -24, + 16, -24, -16, 24, 16, 24, 0, -32, + 0, 32, -28, -16, 28, -16, -28, 16, + 28, 16, -8, -32, 8, -32, -32, -8, + 32, -8, -32, 8, 32, 8, -8, 32, + 8, 32, 24, 24, -24, -24, 24, -24, + -24, 24, -20, -32, 20, 32, -40, 0, + 40, 0, -40, -16, 40, 16, 0, -44, + 0, -44, -44, 0, 44, 0, 0, 44, + 0, 44, -32, -32, 32, 32, -16, -44, + 16, 44, -24, -44, -44, -24, 44, 24, + 24, 44, -48, -16, 48, 16, -36, -36, + -36, -36, 36, 36, 36, 36, -20, -52, + 40, 40, -40, -40, -32, -52, +]}; + +const DT_3_5: IviDeltaCB = IviDeltaCB{ quad_radix: 13, data: &[ + 0, 0, 2, 2, -2, -2, 6, 6, + -6, -6, 12, 12, -12, -12, 20, 20, + -20, -20, 32, 32, -32, -32, 46, 46, + -46, -46, 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, 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, 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, +]}; + +const IVI3_DELTA_CBS: [&IviDeltaCB; 24] = [ + &DT_1_1, &DT_1_2, &DT_1_3, &DT_1_4, &DT_1_5, &DT_1_6, &DT_1_7, &DT_1_8, + &DT_2_1, &DT_2_2, &DT_2_3, &DT_2_4, &DT_2_5, &DT_2_6, &DT_2_7, &DT_2_8, + &DT_3_1, &DT_3_2, &DT_3_3, &DT_3_4, &DT_3_5, &DT_3_5, &DT_3_5, &DT_3_5 +]; -- 2.30.2