nihav-indeo/src/codecs/indeo4.rs

   1 use nihav_core::io::bitreader::*;
   2 use nihav_core::formats;
   3 use nihav_core::frame::*;
   4 use nihav_core::codecs::*;
   5 use nihav_codec_support::codecs::ZIGZAG;
   6 use super::ivi::*;
   7 use super::ivibr::*;
   8
   9 #[inline(always)]
  10 fn mclip8(a: i32) -> u8 {
  11     if (a as u16) > 255 { !(a >> 16) as u8 }
  12     else { a as u8 }
  13 }
  14
  15 struct Indeo4Parser {
  16     mb_cb:          IVICodebook,
  17     blk_cb:         IVICodebook,
  18 }
  19
  20 fn calc_quant(glob_q: u32, qd: i16) -> u8 {
  21     let q = (glob_q as i16) + qd;
  22     if q < 0 {
  23         0
  24     } else if q > 31 {
  25         31
  26     } else {
  27         q as u8
  28     }
  29 }
  30
  31 impl Indeo4Parser {
  32     fn new() -> Self {
  33         Indeo4Parser {
  34             mb_cb:      IVI_CB_ZERO,
  35             blk_cb:     IVI_CB_ZERO,
  36         }
  37     }
  38 }
  39
  40 impl IndeoXParser for Indeo4Parser {
  41 #[allow(unused_variables,unused_assignments)]
  42     fn decode_picture_header(&mut self, br: &mut BitReader) -> DecoderResult<PictureHeader> {
  43         let sync                = br.read(18)?;
  44         validate!(sync == 0x3FFF8);
  45         let ftype_idx           = br.read(3)?;
  46         validate!(ftype_idx < 7);
  47         let ftype               = INDEO4_FRAME_TYPE[ftype_idx as usize];
  48         let transparent         = br.read_bool()?;
  49         br.skip(1)?;
  50         let data_size;
  51         if br.read_bool()? {
  52             data_size = br.read(24)? as usize;
  53         } else {
  54             data_size = 0;
  55         }
  56         if ftype.is_null() {
  57             return Ok(PictureHeader::new_null(ftype));
  58         }
  59         if br.read_bool()? {
  60             br.skip(32)?; // key lock
  61         }
  62         let width;
  63         let height;
  64         let pic_size_idx        = br.read(3)?;
  65         if pic_size_idx < 7 {
  66             width  = INDEO4_PICTURE_SIZE_TAB[pic_size_idx as usize][0];
  67             height = INDEO4_PICTURE_SIZE_TAB[pic_size_idx as usize][1];
  68         } else {
  69             height              = br.read(16)? as usize;
  70             width               = br.read(16)? as usize;
  71             validate!((width  > 0) && ((width  & 3) == 0));
  72             validate!((height > 0) && ((height & 3) == 0));
  73         }
  74
  75         let slice_w;
  76         let slice_h;
  77         if br.read_bool()? {
  78             let idx = br.read(4)? as usize;
  79             slice_h = if idx < 15 { INDEO4_SLICE_SIZE_TAB[idx] } else { height };
  80             let idx = br.read(4)? as usize;
  81             slice_w = if idx < 15 { INDEO4_SLICE_SIZE_TAB[idx] } else { width };
  82         } else {
  83             slice_w = width;
  84             slice_h = height;
  85         }
  86         let subsampling         = br.read(2)?;
  87         validate!(subsampling == 0);
  88         let sc_idx              = br.read(2)?;
  89         match sc_idx {
  90             3 => { },
  91             2 => { validate!(br.read(2*4)? == 0xFF); }
  92             _ => { return Err(DecoderError::InvalidData); }
  93         };
  94         let luma_bands = if sc_idx == 2 { 4 } else { 1 };
  95         let sc_idx              = br.read(2)?;
  96         match sc_idx {
  97             3 => { },
  98             2 => { validate!(br.read(2*4)? == 0xFF); }
  99             _ => { return Err(DecoderError::InvalidData); }
 100         };
 101         let chroma_bands = if sc_idx == 2 { 4 } else { 1 };
 102         let frame_no;
 103         if br.read_bool()? {
 104             frame_no = br.read(20)?;
 105         } else {
 106             frame_no = 0;
 107         }
 108         if br.read_bool()? {
 109             br.skip(8)?; // decTimeEst
 110         }
 111         let desc_coded          = br.read_bool()?;
 112         self.mb_cb              = br.read_ivi_codebook_desc(true,  desc_coded)?;
 113         let desc_coded          = br.read_bool()?;
 114         self.blk_cb             = br.read_ivi_codebook_desc(false, desc_coded)?;
 115         let rvmap               = if br.read_bool()? { br.read(3)? as usize } else { 8 };
 116         let in_imf              = br.read_bool()?;
 117         let in_q                = br.read_bool()?;
 118         let glob_q              = br.read(5)? as u8;
 119         if br.read_bool()? {
 120             br.skip(3)?;
 121         }
 122         let checksum            = if br.read_bool()? { br.read(16)? } else { 0 };
 123         if br.read_bool()? {
 124             br.skip(8)?; // pic hdr extension
 125         }
 126         if br.read_bool()? {
 127             println!("bad blocks bits!");
 128         }
 129         br.align();
 130
 131         Ok(PictureHeader::new(ftype, width, height, slice_w, slice_h, transparent, luma_bands, chroma_bands, in_q))
 132     }
 133
 134 #[allow(unused_variables,unused_assignments)]
 135     fn decode_band_header(&mut self, br: &mut BitReader, pic_hdr: &PictureHeader, plane: usize, band: usize) -> DecoderResult<BandHeader> {
 136         let plane_no        = br.read(2)? as usize;
 137         let band_no         = br.read(4)? as usize;
 138         validate!(plane_no == plane);
 139         validate!(band_no  == band);
 140         if br.read_bool()? {
 141             br.align();
 142             return Ok(BandHeader::new_empty(plane_no, band_no));
 143         }
 144         let hdr_size;
 145         if br.read_bool()? {
 146             hdr_size        = br.read(16)? as usize;
 147         } else {
 148             hdr_size = 32;
 149         }
 150         let mv_mode         = br.read(2)?;
 151         validate!(mv_mode < 2);
 152         if br.read_bool()? {
 153             br.skip(16)?; //checksum
 154         }
 155
 156         let scale           = br.read(2)?;
 157         validate!(scale != 3);
 158         let mb_size  = 16 >> scale;
 159         let blk_size =  8 >> (scale >> 1);
 160         let inherit_mv      = br.read_bool()?;
 161         let inherit_qd      = br.read_bool()?;
 162         let quant           = br.read(5)?;
 163
 164         let tr: IVITransformType;
 165         let txtype: TxType;
 166         if !br.read_bool()? || pic_hdr.ftype == IVIFrameType::Intra {
 167             let tr_id       = br.read(5)?;
 168             validate!(tr_id < 18);
 169             let scan_idx    = br.read(4)? as usize;
 170             validate!(scan_idx != 15);
 171             let qmat_idx    = br.read(5)? as usize;
 172
 173             tr = INDEO4_TRANSFORMS[tr_id as usize];
 174             if (scan_idx < 5) || (scan_idx >= 10) {
 175                 validate!(tr.is_8x8());
 176                 validate!(qmat_idx < 15);
 177                 let scan = if scan_idx < 5 { INDEO4_SCANS_8X8[scan_idx] }
 178                            else            { INDEO4_SCANS_8X8[4] };
 179                 let qidx = INDEO4_Q8X8_IDX[qmat_idx];
 180                 let qintra = INDEO4_Q8_INTRA[qidx];
 181                 let qinter = INDEO4_Q8_INTER[qidx];
 182                 txtype = TxType::Transform8(TxParams8x8::new(qintra, qinter, scan));
 183             } else if scan_idx < 10 {
 184                 validate!(!tr.is_8x8());
 185                 validate!((15..22).contains(&qmat_idx));
 186                 let scan = INDEO4_SCANS_4X4[scan_idx - 5];
 187                 let qidx = INDEO4_Q4X4_IDX[qmat_idx - 15];
 188                 let qintra = INDEO4_Q4_INTRA[qidx];
 189                 let qinter = INDEO4_Q4_INTER[qidx];
 190                 txtype = TxType::Transform4(TxParams4x4::new(qintra, qinter, scan));
 191             } else {
 192                 unreachable!();
 193             }
 194         } else {
 195             tr = IVITransformType::None(TSize::T8x8);
 196             txtype = TxType::None;
 197         }
 198
 199         let blk_cb;
 200         if br.read_bool()? {
 201             blk_cb = br.read_ivi_codebook_desc(false, true)?;
 202         } else {
 203             blk_cb = self.blk_cb;
 204         }
 205         let rvmap_idx;
 206         if br.read_bool()? {
 207             rvmap_idx = br.read(3)? as usize;
 208         } else {
 209             rvmap_idx = 8;
 210         }
 211         let num_corr;
 212         let mut corr_map: [u8; CORR_MAP_SIZE] = [0; CORR_MAP_SIZE];
 213         if br.read_bool()? {
 214             num_corr = br.read(8)? as usize;
 215             validate!(num_corr*2 <= CORR_MAP_SIZE);
 216             for i in 0..num_corr*2 {
 217                 corr_map[i] = br.read(8)? as u8;
 218             }
 219         } else {
 220             num_corr = 0;
 221         }
 222
 223         br.align();
 224         Ok(BandHeader::new(plane_no, band_no, mb_size, blk_size, mv_mode == 1, inherit_mv, false, inherit_qd, quant, rvmap_idx, num_corr, corr_map, blk_cb, tr, txtype))
 225     }
 226
 227     fn decode_mb_info(&mut self, br: &mut BitReader, pic_hdr: &PictureHeader, band: &BandHeader, tile: &mut IVITile, ref_tile: Option<&IVITile>, mv_scale: u8) -> DecoderResult<()> {
 228         let mut mv_x = 0;
 229         let mut mv_y = 0;
 230         let mut mb_idx = 0;
 231
 232         for mb_y in 0..tile.mb_h {
 233             for mb_x in 0..tile.mb_w {
 234                 let mut mb = MB::new(tile.pos_x + mb_x * band.mb_size, tile.pos_y + mb_y * band.mb_size);
 235                 if !br.read_bool()? {
 236                     if pic_hdr.ftype.is_intra() {
 237                         mb.mtype = MBType::Intra;
 238                     } else if band.inherit_mv {
 239                         if let Some(tileref) = ref_tile {
 240                             mb.mtype = tileref.mb[mb_idx].mtype;
 241                         } else {
 242                             return Err(DecoderError::MissingReference);
 243                         }
 244                     } else {
 245                         if !pic_hdr.ftype.is_bidir() {
 246                             mb.mtype = if br.read_bool()? { MBType::Inter } else { MBType::Intra };
 247                         } else {
 248                             mb.mtype = match br.read(2)? {
 249                                 0 => { MBType::Intra },
 250                                 1 => { MBType::Inter },
 251                                 2 => { MBType::Backward },
 252                                 _ => { MBType::Bidir },
 253                             };
 254                         }
 255                     }
 256                     if band.mb_size == band.blk_size {
 257                         mb.cbp = br.read(1)? as u8;
 258                     } else {
 259                         mb.cbp = br.read(4)? as u8;
 260                     }
 261                     if band.inherit_qd {
 262                         if let Some(tileref) = ref_tile {
 263                             mb.qd = tileref.mb[mb_idx].qd;
 264                             mb.q  = calc_quant(band.quant, mb.qd);
 265                         } else {
 266                             mb.q = band.quant as u8;
 267                         }
 268                     } else if (mb.cbp != 0) || ((band.plane_no == 0) && (band.band_no == 0) && pic_hdr.in_q) {
 269                         mb.qd = br.read_ivi_cb_s(&self.mb_cb)? as i16;
 270                         mb.q = calc_quant(band.quant, mb.qd);
 271                     } else {
 272                         mb.q = band.quant as u8;
 273                     }
 274
 275                     if mb.mtype != MBType::Intra {
 276                         if band.inherit_mv {
 277                             if let Some(tileref) = ref_tile {
 278                                 let mx = tileref.mb[mb_idx].mv_x;
 279                                 let my = tileref.mb[mb_idx].mv_y;
 280                                 if mv_scale == 0 {
 281                                     mb.mv_x = mx;
 282                                     mb.mv_y = my;
 283                                 } else {
 284                                     mb.mv_x = scale_mv(mx, mv_scale);
 285                                     mb.mv_y = scale_mv(my, mv_scale);
 286                                 }
 287                             }
 288                         } else {
 289                             mv_y += br.read_ivi_cb_s(&self.mb_cb)?;
 290                             mv_x += br.read_ivi_cb_s(&self.mb_cb)?;
 291                             mb.mv_x = mv_x;
 292                             mb.mv_y = mv_y;
 293                             if mb.mtype == MBType::Backward {
 294                                 mb.mv_x = -mb.mv_x;
 295                                 mb.mv_y = -mb.mv_y;
 296                             } else if mb.mtype == MBType::Bidir {
 297                                 mv_y += br.read_ivi_cb_s(&self.mb_cb)?;
 298                                 mv_x += br.read_ivi_cb_s(&self.mb_cb)?;
 299                                 mb.mv2_x = -mv_x;
 300                                 mb.mv2_y = -mv_y;
 301                             }
 302                         }
 303                     }
 304                 } else {
 305                     validate!(!pic_hdr.ftype.is_intra());
 306                     mb.mtype = MBType::Inter;
 307                     mb.cbp   = 0;
 308                     mb.qd    = 0;
 309                     if (band.plane_no == 0) && (band.band_no == 0) && pic_hdr.in_q {
 310                         mb.qd = br.read_ivi_cb_s(&self.mb_cb)? as i16;
 311                         mb.q  = calc_quant(band.quant, mb.qd);
 312                     }
 313                     if band.inherit_mv {
 314                         if let Some(tileref) = ref_tile {
 315                             let mx = tileref.mb[mb_idx].mv_x;
 316                             let my = tileref.mb[mb_idx].mv_y;
 317                             if mv_scale == 0 {
 318                                 mb.mv_x = mx;
 319                                 mb.mv_y = my;
 320                             } else {
 321                                 mb.mv_x = scale_mv(mx, mv_scale);
 322                                 mb.mv_y = scale_mv(my, mv_scale);
 323                             }
 324                         }
 325                     }
 326                 }
 327                 tile.mb[mb_idx] = mb;
 328                 mb_idx += 1;
 329             }
 330         }
 331         br.align();
 332         Ok(())
 333     }
 334
 335     fn recombine_plane(&mut self, src: &[i16], sstride: usize, dst: &mut [u8], dstride: usize, w: usize, h: usize) {
 336 /*        let mut idx0 = 0;
 337         let mut idx1 = w / 2;
 338         let mut idx2 = (h / 2) * sstride;
 339         let mut idx3 = idx2 + idx1;
 340         let mut oidx0 = 0;
 341         let mut oidx1 = dstride;
 342
 343         for _ in 0..(h/2) {
 344             for x in 0..(w/2) {
 345                 let p0 = src[idx0 + x];
 346                 let p1 = src[idx1 + x];
 347                 let p2 = src[idx2 + x];
 348                 let p3 = src[idx3 + x];
 349                 let s0 = p0 + p2;
 350                 let d0 = p0 - p2;
 351                 let s1 = p1 + p3;
 352                 let d1 = p1 - p3;
 353                 dst[oidx0 + x * 2 + 0] = clip8(((s0 + s1 + 2) >> 2) + 128);
 354                 dst[oidx0 + x * 2 + 1] = clip8(((d0 + d1 + 2) >> 2) + 128);
 355                 dst[oidx1 + x * 2 + 0] = clip8(((s0 - s1 + 2) >> 2) + 128);
 356                 dst[oidx1 + x * 2 + 1] = clip8(((d0 - d1 + 2) >> 2) + 128);
 357             }
 358             idx0 += sstride;
 359             idx1 += sstride;
 360             idx2 += sstride;
 361             idx3 += sstride;
 362             oidx0 += dstride * 2;
 363             oidx1 += dstride * 2;
 364         }*/
 365         unsafe {
 366             let hw = (w / 2) as isize;
 367             let hh = (h / 2) as isize;
 368             let mut band0 = src.as_ptr();
 369             let mut band1 = band0.offset(hw);
 370             let mut band2 = band0.add((h / 2) * sstride);
 371             let mut band3 = band2.offset(hw);
 372             let mut dst0 = dst.as_mut_ptr();
 373             let mut dst1 = dst0.add(dstride);
 374             for _ in 0..hh {
 375                 let mut b0_ptr = band0;
 376                 let mut b1_ptr = band1;
 377                 let mut b2_ptr = band2;
 378                 let mut b3_ptr = band3;
 379                 let mut d0_ptr = dst0;
 380                 let mut d1_ptr = dst1;
 381                 for _ in 0..hw {
 382                     let p0 = i32::from(*b0_ptr);
 383                     let p1 = i32::from(*b1_ptr);
 384                     let p2 = i32::from(*b2_ptr);
 385                     let p3 = i32::from(*b3_ptr);
 386                     let s0 = p0.wrapping_add(p2);
 387                     let s1 = p1.wrapping_add(p3);
 388                     let d0 = p0.wrapping_sub(p2);
 389                     let d1 = p1.wrapping_sub(p3);
 390                     let o0 = s0.wrapping_add(s1).wrapping_add(2);
 391                     let o1 = d0.wrapping_add(d1).wrapping_add(2);
 392                     let o2 = s0.wrapping_sub(s1).wrapping_add(2);
 393                     let o3 = d0.wrapping_sub(d1).wrapping_add(2);
 394                     *d0_ptr.offset(0) = mclip8((o0 >> 2).wrapping_add(128));
 395                     *d0_ptr.offset(1) = mclip8((o1 >> 2).wrapping_add(128));
 396                     *d1_ptr.offset(0) = mclip8((o2 >> 2).wrapping_add(128));
 397                     *d1_ptr.offset(1) = mclip8((o3 >> 2).wrapping_add(128));
 398                     b0_ptr = b0_ptr.offset(1);
 399                     b1_ptr = b1_ptr.offset(1);
 400                     b2_ptr = b2_ptr.offset(1);
 401                     b3_ptr = b3_ptr.offset(1);
 402                     d0_ptr = d0_ptr.offset(2);
 403                     d1_ptr = d1_ptr.offset(2);
 404                 }
 405                 band0 = band0.add(sstride);
 406                 band1 = band1.add(sstride);
 407                 band2 = band2.add(sstride);
 408                 band3 = band3.add(sstride);
 409                 dst0 = dst0.add(dstride * 2);
 410                 dst1 = dst1.add(dstride * 2);
 411             }
 412         }
 413     }
 414 }
 415
 416 struct Indeo4Decoder {
 417     info:   NACodecInfoRef,
 418     dec:    IVIDecoder,
 419 }
 420
 421 impl Indeo4Decoder {
 422     fn new() -> Self {
 423         Indeo4Decoder {
 424             info:   NACodecInfo::new_dummy(),
 425             dec:    IVIDecoder::new(false),
 426         }
 427     }
 428 }
 429
 430 impl NADecoder for Indeo4Decoder {
 431     fn init(&mut self, _supp: &mut NADecoderSupport, info: NACodecInfoRef) -> DecoderResult<()> {
 432         if let NACodecTypeInfo::Video(vinfo) = info.get_properties() {
 433             let w = vinfo.get_width();
 434             let h = vinfo.get_height();
 435             let f = vinfo.is_flipped();
 436             let fmt = formats::YUV410_FORMAT;
 437             let myinfo = NACodecTypeInfo::Video(NAVideoInfo::new(w, h, f, fmt));
 438             self.info = NACodecInfo::new_ref(info.get_name(), myinfo, info.get_extradata()).into_ref();
 439             Ok(())
 440         } else {
 441             Err(DecoderError::InvalidData)
 442         }
 443     }
 444     fn decode(&mut self, _supp: &mut NADecoderSupport, pkt: &NAPacket) -> DecoderResult<NAFrameRef> {
 445         let src = pkt.get_buffer();
 446         let mut br = BitReader::new(src.as_slice(), BitReaderMode::LE);
 447
 448         let mut ip = Indeo4Parser::new();
 449         let bufinfo = self.dec.decode_frame(&mut ip, &mut br)?;
 450         let mut frm = NAFrame::new_from_pkt(pkt, self.info.clone(), bufinfo);
 451         frm.set_keyframe(self.dec.is_intra());
 452         frm.set_frame_type(self.dec.get_frame_type());
 453         Ok(frm.into_ref())
 454     }
 455     fn flush(&mut self) {
 456         self.dec.flush();
 457     }
 458 }
 459
 460 impl NAOptionHandler for Indeo4Decoder {
 461     fn get_supported_options(&self) -> &[NAOptionDefinition] { &[] }
 462     fn set_options(&mut self, _options: &[NAOption]) { }
 463     fn query_option_value(&self, _name: &str) -> Option<NAValue> { None }
 464 }
 465
 466 const INDEO4_PICTURE_SIZE_TAB: [[usize; 2]; 7] = [
 467     [640, 480], [320, 240], [160, 120], [704, 480], [352, 240], [352, 288], [176, 144]
 468 ];
 469
 470 const INDEO4_SLICE_SIZE_TAB: [usize; 15] = [
 471     32, 64, 96, 128, 160, 192, 224, 256, 288, 320, 352, 384, 416, 448, 480
 472 ];
 473
 474 const INDEO4_FRAME_TYPE: [IVIFrameType; 7] = [
 475     IVIFrameType::Intra, IVIFrameType::Intra1, IVIFrameType::Inter, IVIFrameType::Bidir,
 476     IVIFrameType::InterDroppable, IVIFrameType::NULL, IVIFrameType::NULL2
 477 ];
 478
 479 const INDEO4_TRANSFORMS: [IVITransformType; 18] = [
 480     IVITransformType::Haar(TSize::T8x8, TDir::TwoD),
 481     IVITransformType::Haar(TSize::T8x8, TDir::Row),
 482     IVITransformType::Haar(TSize::T8x8, TDir::Col),
 483     IVITransformType::None(TSize::T8x8),
 484     IVITransformType::Slant(TSize::T8x8, TDir::TwoD),
 485     IVITransformType::Slant(TSize::T8x8, TDir::Row),
 486     IVITransformType::Slant(TSize::T8x8, TDir::Col),
 487     IVITransformType::DCT(TSize::T8x8, TDir::TwoD),
 488     IVITransformType::DCT(TSize::T8x8, TDir::Row),
 489     IVITransformType::DCT(TSize::T8x8, TDir::Col),
 490     IVITransformType::Haar(TSize::T4x4, TDir::TwoD),
 491     IVITransformType::Slant(TSize::T4x4, TDir::TwoD),
 492     IVITransformType::None(TSize::T4x4),
 493     IVITransformType::Haar(TSize::T4x4, TDir::Row),
 494     IVITransformType::Haar(TSize::T4x4, TDir::Col),
 495     IVITransformType::Slant(TSize::T4x4, TDir::Row),
 496     IVITransformType::Slant(TSize::T4x4, TDir::Col),
 497     IVITransformType::DCT(TSize::T4x4, TDir::TwoD),
 498 ];
 499
 500 const INDEO4_SCAN_8X8_ALT: [usize; 64] = [
 501      0,  8,  1,  9, 16, 24,  2,  3,
 502     17, 25, 10, 11, 32, 40, 48, 56,
 503      4,  5,  6,  7, 33, 41, 49, 57,
 504     18, 19, 26, 27, 12, 13, 14, 15,
 505     34, 35, 43, 42, 50, 51, 59, 58,
 506     20, 21, 22, 23, 31, 30, 29, 28,
 507     36, 37, 38, 39, 47, 46, 45, 44,
 508     52, 53, 54, 55, 63, 62, 61, 60
 509 ];
 510 const INDEO4_SCAN_4X4_ALT: [usize; 16] = [ 0, 1, 4, 5, 8, 12, 2, 3, 9, 13, 6, 7, 10, 11, 14, 15 ];
 511 const INDEO4_SCAN_4X4_VER: [usize; 16] = [ 0, 4, 8, 12, 1, 5, 9, 13, 2, 6, 10, 14, 3, 7, 11, 15 ];
 512 const INDEO4_SCAN_4X4_HOR: [usize; 16] = [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 ];
 513
 514 const INDEO4_SCANS_8X8: [&[usize; 64]; 5] = [
 515     &ZIGZAG, &INDEO4_SCAN_8X8_ALT, &IVI_SCAN_8X8_HOR, &IVI_SCAN_8X8_VER, &ZIGZAG
 516 ];
 517 const INDEO4_SCANS_4X4: [&[usize; 16]; 5] = [
 518     &IVI_SCAN_4X4, &INDEO4_SCAN_4X4_ALT, &INDEO4_SCAN_4X4_VER, &INDEO4_SCAN_4X4_HOR, &IVI_SCAN_4X4
 519 ];
 520
 521 const INDEO4_Q8X8_IDX: [usize; 15] = [ 0, 1, 0, 2, 1, 3, 0, 4, 1, 5, 0, 1, 6, 7, 8 ];
 522 const INDEO4_Q4X4_IDX: [usize; 7] = [ 0, 1, 2, 2, 3, 3, 4 ];
 523
 524 const INDEO4_QUANT8X8_INTRA: [[u16; 64]; 9] = [
 525   [
 526       43,  342,  385,  470,  555,  555,  598,  726,
 527      342,  342,  470,  513,  555,  598,  726,  769,
 528      385,  470,  555,  555,  598,  726,  726,  811,
 529      470,  470,  555,  555,  598,  726,  769,  854,
 530      470,  555,  555,  598,  683,  726,  854, 1025,
 531      555,  555,  598,  683,  726,  854, 1025, 1153,
 532      555,  555,  598,  726,  811,  982, 1195, 1451,
 533      555,  598,  726,  811,  982, 1195, 1451, 1793
 534   ], [
 535       86, 1195, 2390, 2390, 4865, 4865, 4865, 4865,
 536     1195, 1195, 2390, 2390, 4865, 4865, 4865, 4865,
 537     2390, 2390, 4865, 4865, 6827, 6827, 6827, 6827,
 538     2390, 2390, 4865, 4865, 6827, 6827, 6827, 6827,
 539     4865, 4865, 6827, 6827, 6827, 6827, 6827, 6827,
 540     4865, 4865, 6827, 6827, 6827, 6827, 6827, 6827,
 541     4865, 4865, 6827, 6827, 6827, 6827, 6827, 6827,
 542     4865, 4865, 6827, 6827, 6827, 6827, 6827, 6827
 543   ], [
 544      235, 1067, 1195, 1323, 1451, 1579, 1707, 1835,
 545      235, 1067, 1195, 1323, 1451, 1579, 1707, 1835,
 546      235, 1067, 1195, 1323, 1451, 1579, 1707, 1835,
 547      235, 1067, 1195, 1323, 1451, 1579, 1707, 1835,
 548      235, 1067, 1195, 1323, 1451, 1579, 1707, 1835,
 549      235, 1067, 1195, 1323, 1451, 1579, 1707, 1835,
 550      235, 1067, 1195, 1323, 1451, 1579, 1707, 1835,
 551      235, 1067, 1195, 1323, 1451, 1579, 1707, 1835
 552   ], [
 553     1707, 1707, 3414, 3414, 3414, 3414, 3414, 3414,
 554     1707, 1707, 3414, 3414, 3414, 3414, 3414, 3414,
 555     1707, 1707, 3414, 3414, 3414, 3414, 3414, 3414,
 556     1707, 1707, 3414, 3414, 3414, 3414, 3414, 3414,
 557     1707, 1707, 3414, 3414, 3414, 3414, 3414, 3414,
 558     1707, 1707, 3414, 3414, 3414, 3414, 3414, 3414,
 559     1707, 1707, 3414, 3414, 3414, 3414, 3414, 3414,
 560     1707, 1707, 3414, 3414, 3414, 3414, 3414, 3414
 561   ], [
 562      897,  897,  897,  897,  897,  897,  897,  897,
 563     1067, 1067, 1067, 1067, 1067, 1067, 1067, 1067,
 564     1238, 1238, 1238, 1238, 1238, 1238, 1238, 1238,
 565     1409, 1409, 1409, 1409, 1409, 1409, 1409, 1409,
 566     1579, 1579, 1579, 1579, 1579, 1579, 1579, 1579,
 567     1750, 1750, 1750, 1750, 1750, 1750, 1750, 1750,
 568     1921, 1921, 1921, 1921, 1921, 1921, 1921, 1921,
 569     2091, 2091, 2091, 2091, 2091, 2091, 2091, 2091
 570   ], [
 571     1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707,
 572     1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707,
 573     3414, 3414, 3414, 3414, 3414, 3414, 3414, 3414,
 574     3414, 3414, 3414, 3414, 3414, 3414, 3414, 3414,
 575     3414, 3414, 3414, 3414, 3414, 3414, 3414, 3414,
 576     3414, 3414, 3414, 3414, 3414, 3414, 3414, 3414,
 577     3414, 3414, 3414, 3414, 3414, 3414, 3414, 3414,
 578     3414, 3414, 3414, 3414, 3414, 3414, 3414, 3414
 579   ], [
 580     2390, 2390, 2390, 2390, 2390, 2390, 2390, 2390,
 581     2390, 2390, 2390, 2390, 2390, 2390, 2390, 2390,
 582     2390, 2390, 2390, 2390, 2390, 2390, 2390, 2390,
 583     2390, 2390, 2390, 2390, 2390, 2390, 2390, 2390,
 584     2390, 2390, 2390, 2390, 2390, 2390, 2390, 2390,
 585     2390, 2390, 2390, 2390, 2390, 2390, 2390, 2390,
 586     2390, 2390, 2390, 2390, 2390, 2390, 2390, 2390,
 587     2390, 2390, 2390, 2390, 2390, 2390, 2390, 2390
 588   ], [
 589       22,  171,  214,  257,  257,  299,  299,  342,
 590      171,  171,  257,  257,  299,  299,  342,  385,
 591      214,  257,  257,  299,  299,  342,  342,  385,
 592      257,  257,  257,  299,  299,  342,  385,  427,
 593      257,  257,  299,  299,  342,  385,  427,  513,
 594      257,  299,  299,  342,  385,  427,  513,  598,
 595      299,  299,  299,  385,  385,  470,  598,  726,
 596      299,  299,  385,  385,  470,  598,  726,  897
 597   ], [
 598       86,  598, 1195, 1195, 2390, 2390, 2390, 2390,
 599      598,  598, 1195, 1195, 2390, 2390, 2390, 2390,
 600     1195, 1195, 2390, 2390, 3414, 3414, 3414, 3414,
 601     1195, 1195, 2390, 2390, 3414, 3414, 3414, 3414,
 602     2390, 2390, 3414, 3414, 3414, 3414, 3414, 3414,
 603     2390, 2390, 3414, 3414, 3414, 3414, 3414, 3414,
 604     2390, 2390, 3414, 3414, 3414, 3414, 3414, 3414,
 605     2390, 2390, 3414, 3414, 3414, 3414, 3414, 3414
 606   ]
 607 ];
 608 const INDEO4_QUANT8X8_INTER: [[u16; 64]; 9] = [
 609   [
 610      427,  427,  470,  427,  427,  427,  470,  470,
 611      427,  427,  470,  427,  427,  427,  470,  470,
 612      470,  470,  470,  470,  470,  470,  470,  470,
 613      427,  427,  470,  470,  427,  427,  470,  470,
 614      427,  427,  470,  427,  427,  427,  470,  470,
 615      427,  427,  470,  427,  427,  427,  470,  470,
 616      470,  470,  470,  470,  470,  470,  470,  470,
 617      470,  470,  470,  470,  470,  470,  470,  470
 618   ], [
 619     1707, 1707, 2433, 2433, 3414, 3414, 3414, 3414,
 620     1707, 1707, 2433, 2433, 3414, 3414, 3414, 3414,
 621     2433, 2433, 3414, 3414, 4822, 4822, 4822, 4822,
 622     2433, 2433, 3414, 3414, 4822, 4822, 4822, 4822,
 623     3414, 3414, 4822, 4822, 3414, 3414, 3414, 3414,
 624     3414, 3414, 4822, 4822, 3414, 3414, 3414, 3414,
 625     3414, 3414, 4822, 4822, 3414, 3414, 3414, 3414,
 626     3414, 3414, 4822, 4822, 3414, 3414, 3414, 3414
 627   ], [
 628     1195, 1195, 1281, 1238, 1195, 1195, 1281, 1281,
 629     1195, 1195, 1281, 1238, 1195, 1195, 1281, 1281,
 630     1195, 1195, 1281, 1238, 1195, 1195, 1281, 1281,
 631     1195, 1195, 1281, 1238, 1195, 1195, 1281, 1281,
 632     1195, 1195, 1281, 1238, 1195, 1195, 1281, 1281,
 633     1195, 1195, 1281, 1238, 1195, 1195, 1281, 1281,
 634     1195, 1195, 1281, 1238, 1195, 1195, 1281, 1281,
 635     1195, 1195, 1281, 1238, 1195, 1195, 1281, 1281
 636   ], [
 637     2433, 2433, 3414, 3414, 2433, 2433, 2433, 2433,
 638     2433, 2433, 3414, 3414, 2433, 2433, 2433, 2433,
 639     2433, 2433, 3414, 3414, 2433, 2433, 2433, 2433,
 640     2433, 2433, 3414, 3414, 2433, 2433, 2433, 2433,
 641     2433, 2433, 3414, 3414, 2433, 2433, 2433, 2433,
 642     2433, 2433, 3414, 3414, 2433, 2433, 2433, 2433,
 643     2433, 2433, 3414, 3414, 2433, 2433, 2433, 2433,
 644     2433, 2433, 3414, 3414, 2433, 2433, 2433, 2433
 645   ], [
 646     1195, 1195, 1195, 1195, 1195, 1195, 1195, 1195,
 647     1195, 1195, 1195, 1195, 1195, 1195, 1195, 1195,
 648     1281, 1281, 1281, 1281, 1281, 1281, 1281, 1281,
 649     1238, 1238, 1238, 1238, 1238, 1238, 1238, 1238,
 650     1195, 1195, 1195, 1195, 1195, 1195, 1195, 1195,
 651     1195, 1195, 1195, 1195, 1195, 1195, 1195, 1195,
 652     1281, 1281, 1281, 1281, 1281, 1281, 1281, 1281,
 653     1281, 1281, 1281, 1281, 1281, 1281, 1281, 1281
 654   ], [
 655     2433, 2433, 2433, 2433, 2433, 2433, 2433, 2433,
 656     2433, 2433, 2433, 2433, 2433, 2433, 2433, 2433,
 657     3414, 3414, 3414, 3414, 3414, 3414, 3414, 3414,
 658     3414, 3414, 3414, 3414, 3414, 3414, 3414, 3414,
 659     2433, 2433, 2433, 2433, 2433, 2433, 2433, 2433,
 660     2433, 2433, 2433, 2433, 2433, 2433, 2433, 2433,
 661     2433, 2433, 2433, 2433, 2433, 2433, 2433, 2433,
 662     2433, 2433, 2433, 2433, 2433, 2433, 2433, 2433
 663   ], [
 664     1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707,
 665     1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707,
 666     1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707,
 667     1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707,
 668     1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707,
 669     1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707,
 670     1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707,
 671     1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707
 672   ], [
 673       86,  171,  171,  214,  214,  214,  214,  257,
 674      171,  171,  214,  214,  214,  214,  257,  257,
 675      171,  214,  214,  214,  214,  257,  257,  257,
 676      214,  214,  214,  214,  257,  257,  257,  299,
 677      214,  214,  214,  257,  257,  257,  299,  299,
 678      214,  214,  257,  257,  257,  299,  299,  299,
 679      214,  257,  257,  257,  299,  299,  299,  342,
 680      257,  257,  257,  299,  299,  299,  342,  342
 681   ], [
 682      854,  854, 1195, 1195, 1707, 1707, 1707, 1707,
 683      854,  854, 1195, 1195, 1707, 1707, 1707, 1707,
 684     1195, 1195, 1707, 1707, 2390, 2390, 2390, 2390,
 685     1195, 1195, 1707, 1707, 2390, 2390, 2390, 2390,
 686     1707, 1707, 2390, 2390, 1707, 1707, 1707, 1707,
 687     1707, 1707, 2390, 2390, 1707, 1707, 1707, 1707,
 688     1707, 1707, 2390, 2390, 1707, 1707, 1707, 1707,
 689     1707, 1707, 2390, 2390, 1707, 1707, 1707, 1707
 690   ]
 691 ];
 692 const INDEO4_QUANT4X4_INTRA: [[u16; 16]; 5] = [
 693   [
 694       22,  214,  257,  299,
 695      214,  257,  299,  342,
 696      257,  299,  342,  427,
 697      299,  342,  427,  513
 698   ], [
 699      129, 1025, 1451, 1451,
 700     1025, 1025, 1451, 1451,
 701     1451, 1451, 2049, 2049,
 702     1451, 1451, 2049, 2049
 703   ], [
 704       43,  171,  171,  171,
 705       43,  171,  171,  171,
 706       43,  171,  171,  171,
 707       43,  171,  171,  171
 708   ], [
 709       43,   43,   43,   43,
 710      171,  171,  171,  171,
 711      171,  171,  171,  171,
 712      171,  171,  171,  171
 713   ], [
 714       43,   43,   43,   43,
 715       43,   43,   43,   43,
 716       43,   43,   43,   43,
 717       43,   43,   43,   43
 718   ]
 719 ];
 720 const INDEO4_QUANT4X4_INTER: [[u16; 16]; 5] = [
 721   [
 722      107,  214,  257,  299,
 723      214,  257,  299,  299,
 724      257,  299,  299,  342,
 725      299,  299,  342,  342
 726   ], [
 727      513, 1025, 1238, 1238,
 728     1025, 1025, 1238, 1238,
 729     1238, 1238, 1451, 1451,
 730     1238, 1238, 1451, 1451
 731   ], [
 732       43,  171,  171,  171,
 733       43,  171,  171,  171,
 734       43,  171,  171,  171,
 735       43,  171,  171,  171
 736   ], [
 737       43,   43,   43,   43,
 738      171,  171,  171,  171,
 739      171,  171,  171,  171,
 740      171,  171,  171,  171
 741   ], [
 742       43,   43,   43,   43,
 743       43,   43,   43,   43,
 744       43,   43,   43,   43,
 745       43,   43,   43,   43
 746   ]
 747 ];
 748 const INDEO4_Q8_INTRA: [&[u16; 64]; 9] = [
 749     &INDEO4_QUANT8X8_INTRA[0], &INDEO4_QUANT8X8_INTRA[1], &INDEO4_QUANT8X8_INTRA[2],
 750     &INDEO4_QUANT8X8_INTRA[3], &INDEO4_QUANT8X8_INTRA[4], &INDEO4_QUANT8X8_INTRA[5],
 751     &INDEO4_QUANT8X8_INTRA[6], &INDEO4_QUANT8X8_INTRA[7], &INDEO4_QUANT8X8_INTRA[8],
 752 ];
 753 const INDEO4_Q8_INTER: [&[u16; 64]; 9] = [
 754     &INDEO4_QUANT8X8_INTER[0], &INDEO4_QUANT8X8_INTER[1], &INDEO4_QUANT8X8_INTER[2],
 755     &INDEO4_QUANT8X8_INTER[3], &INDEO4_QUANT8X8_INTER[4], &INDEO4_QUANT8X8_INTER[5],
 756     &INDEO4_QUANT8X8_INTER[6], &INDEO4_QUANT8X8_INTER[7], &INDEO4_QUANT8X8_INTER[8],
 757 ];
 758 const INDEO4_Q4_INTRA: [&[u16; 16]; 5] = [
 759     &INDEO4_QUANT4X4_INTRA[0], &INDEO4_QUANT4X4_INTRA[1], &INDEO4_QUANT4X4_INTRA[2],
 760     &INDEO4_QUANT4X4_INTRA[3], &INDEO4_QUANT4X4_INTRA[4]
 761 ];
 762 const INDEO4_Q4_INTER: [&[u16; 16]; 5] = [
 763     &INDEO4_QUANT4X4_INTER[0], &INDEO4_QUANT4X4_INTER[1], &INDEO4_QUANT4X4_INTER[2],
 764     &INDEO4_QUANT4X4_INTER[3], &INDEO4_QUANT4X4_INTER[4]
 765 ];
 766
 767 pub fn get_decoder() -> Box<dyn NADecoder + Send> {
 768     Box::new(Indeo4Decoder::new())
 769 }
 770
 771 #[cfg(test)]
 772 mod test {
 773     use nihav_core::codecs::RegisteredDecoders;
 774     use nihav_core::demuxers::RegisteredDemuxers;
 775     use nihav_codec_support::test::dec_video::*;
 776     use crate::indeo_register_all_decoders;
 777     use nihav_commonfmt::generic_register_all_demuxers;
 778     #[test]
 779     fn test_indeo4() {
 780         let mut dmx_reg = RegisteredDemuxers::new();
 781         generic_register_all_demuxers(&mut dmx_reg);
 782         let mut dec_reg = RegisteredDecoders::new();
 783         indeo_register_all_decoders(&mut dec_reg);
 784
 785         // sample: https://samples.mplayerhq.hu/V-codecs/IV41/indeo4-avi/volcano.avi
 786         test_decoding("avi", "indeo4", "assets/Indeo/IV4/volcano.avi", Some(16),
 787                       &dmx_reg, &dec_reg, ExpectedTestResult::MD5Frames(vec![
 788                             [0x194f626b, 0x023fdfd0, 0x9809665a, 0xd68f6f47],
 789                             [0x194f626b, 0x023fdfd0, 0x9809665a, 0xd68f6f47],
 790                             [0x194f626b, 0x023fdfd0, 0x9809665a, 0xd68f6f47],
 791                             [0x194f626b, 0x023fdfd0, 0x9809665a, 0xd68f6f47],
 792                             [0x46c6719d, 0xe6415ac0, 0x3e4d9799, 0xd2f5747d],
 793                             [0xe0278b0f, 0x3e4763d5, 0x88033344, 0xc9c2e6de],
 794                             [0xd962be7f, 0xafc1ac64, 0x0647cdcc, 0xd06465c6],
 795                             [0xedef0e19, 0xec75eed2, 0x955a2ae2, 0xd6145b4c],
 796                             [0x89ec8d4b, 0x3d446d74, 0xbd3d681d, 0x2d219dca],
 797                             [0x89e81643, 0x77fb2f1b, 0x2aa0782f, 0xb1b9b7ef],
 798                             [0xea283aec, 0x94d7cdf9, 0x961bbb69, 0x2b38162a],
 799                             [0x1d1b315c, 0x6613c5fa, 0xeff36485, 0x5025fbf2],
 800                             [0x4145c6a8, 0xd8d513b1, 0x34a5d353, 0x07750cd5],
 801                             [0xace12feb, 0x468754f3, 0xa72327f5, 0x1a6f6350],
 802                             [0x4b04dc0e, 0x684533a7, 0x6a4e4b16, 0x0b8a5e68],
 803                             [0xa3eb64fc, 0x5e02a31b, 0x6b484eae, 0xbb6e6c49],
 804                             [0x7d4ef46e, 0x6761c447, 0x02e002f5, 0x02d0231c]]));
 805         // a sample from Civilization II
 806         test_decoding("avi", "indeo4", "assets/Indeo/IV4/HRLDVIK.AVI", Some(8),
 807                       &dmx_reg, &dec_reg, ExpectedTestResult::MD5Frames(vec![
 808                             [0x239b8b87, 0x6dbec08c, 0x82bae1f0, 0x868e00c2],
 809                             [0xe2298beb, 0x4e08866d, 0x00cb6201, 0x6b0a6df3],
 810                             [0x9d7f4cf0, 0xed33df12, 0x2677be16, 0xce7e99b0],
 811                             [0x0c8d7489, 0x2b3ac56e, 0x36d75559, 0x70550903],
 812                             [0xc32b4b78, 0x2fc81737, 0xe4d7722b, 0xbcbbb35e],
 813                             [0x20bfd5e8, 0x6cfad540, 0xfc6c6b6c, 0xa4f39a7d],
 814                             [0xc327428d, 0x4e817b56, 0x4376eba2, 0xebafd04a],
 815                             [0x6a53a6ec, 0x7477a471, 0xd55bc98e, 0x7498de0f],
 816                             [0x398eba3a, 0x3cf3cce1, 0x90211dfe, 0x82c906f0]]));
 817     }
 818 }