src/codecs/h263/intel263.rs

   1 use io::bitreader::*;
   2 use io::codebook::*;
   3 use formats;
   4 use super::super::*;
   5 use super::*;
   6 use super::decoder::*;
   7 use super::data::*;
   8
   9 #[allow(dead_code)]
  10 struct Tables {
  11     intra_mcbpc_cb: Codebook<u8>,
  12     inter_mcbpc_cb: Codebook<u8>,
  13     cbpy_cb:        Codebook<u8>,
  14     rl_cb:          Codebook<H263RLSym>,
  15     aic_rl_cb:      Codebook<H263RLSym>,
  16     mv_cb:          Codebook<u8>,
  17 }
  18
  19 struct Intel263Decoder {
  20     info:    Rc<NACodecInfo>,
  21     dec:     H263BaseDecoder,
  22     tables:  Tables,
  23 }
  24
  25 struct Intel263BR<'a> {
  26     br:     BitReader<'a>,
  27     tables: &'a Tables,
  28     gob_no: usize,
  29     mb_w:   usize,
  30     is_pb:  bool,
  31 }
  32
  33 fn check_marker<'a>(br: &mut BitReader<'a>) -> DecoderResult<()> {
  34     let mark = br.read(1)?;
  35     validate!(mark == 1);
  36     Ok(())
  37 }
  38
  39 impl<'a> Intel263BR<'a> {
  40     fn new(src: &'a [u8], tables: &'a Tables) -> Self {
  41         Intel263BR {
  42             br:     BitReader::new(src, src.len(), BitReaderMode::BE),
  43             tables: tables,
  44             gob_no: 0,
  45             mb_w:   0,
  46             is_pb:  false,
  47         }
  48     }
  49
  50     fn decode_block(&mut self, quant: u8, intra: bool, coded: bool, blk: &mut [i16; 64]) -> DecoderResult<()> {
  51         let mut br = &mut self.br;
  52         let mut idx = 0;
  53         if intra {
  54             let mut dc = br.read(8)?;
  55             if dc == 255 { dc = 128; }
  56             blk[0] = (dc as i16) << 3;
  57             idx = 1;
  58         }
  59         if !coded { return Ok(()); }
  60
  61         let rl_cb = &self.tables.rl_cb; // could be aic too
  62         let q_add = if quant == 0 { 0i16 } else { ((quant - 1) | 1) as i16 };
  63         let q = (quant * 2) as i16;
  64         while idx < 64 {
  65             let code = br.read_cb(rl_cb)?;
  66             let run;
  67             let mut level;
  68             let last;
  69             if !code.is_escape() {
  70                 run   = code.get_run();
  71                 level = code.get_level();
  72                 last  = code.is_last();
  73                 if br.read_bool()? { level = -level; }
  74                 level = (level * q) + q_add;
  75             } else {
  76                 last  = br.read_bool()?;
  77                 run   = br.read(6)? as u8;
  78                 level = br.read_s(8)? as i16;
  79                 if level == -128 {
  80                     let low = br.read(5)? as i16;
  81                     let top = br.read_s(6)? as i16;
  82                     level = (top << 5) | low;
  83                 }
  84                 level = (level * q) + q_add;
  85                 if level < -2048 { level = -2048; }
  86                 if level >  2047 { level =  2047; }
  87             }
  88             idx += run;
  89             validate!(idx < 64);
  90             let oidx = H263_ZIGZAG[idx as usize];
  91             blk[oidx] = level;
  92             idx += 1;
  93             if last { break; }
  94         }
  95         Ok(())
  96     }
  97 }
  98
  99 fn decode_mv_component(br: &mut BitReader, mv_cb: &Codebook<u8>) -> DecoderResult<i16> {
 100     let code = br.read_cb(mv_cb)? as i16;
 101     if code == 0 { return Ok(0) }
 102     if !br.read_bool()? {
 103         Ok(code)
 104     } else {
 105         Ok(-code)
 106     }
 107 }
 108
 109 fn decode_mv(br: &mut BitReader, mv_cb: &Codebook<u8>) -> DecoderResult<MV> {
 110     let xval = decode_mv_component(br, mv_cb)?;
 111     let yval = decode_mv_component(br, mv_cb)?;
 112     Ok(MV::new(xval, yval))
 113 }
 114
 115 fn decode_b_info(br: &mut BitReader, is_pb: bool, is_intra: bool) -> DecoderResult<BBlockInfo> {
 116     if is_pb { // as improved pb
 117         let pb_mv_add = if is_intra { 1 } else { 0 };
 118         if br.read_bool()?{
 119             if br.read_bool()? {
 120                 let pb_mv_count = 1 - (br.read(1)? as usize);
 121                 let cbpb = br.read(6)? as u8;
 122                 Ok(BBlockInfo::new(true, cbpb, pb_mv_count + pb_mv_add, pb_mv_count == 1))
 123             } else {
 124                 Ok(BBlockInfo::new(true, 0, 1 + pb_mv_add, true))
 125             }
 126         } else {
 127             Ok(BBlockInfo::new(true, 0, pb_mv_add, false))
 128         }
 129     } else {
 130         Ok(BBlockInfo::new(false, 0, 0, false))
 131     }
 132 }
 133
 134 impl<'a> BlockDecoder for Intel263BR<'a> {
 135
 136 #[allow(unused_variables)]
 137     fn decode_pichdr(&mut self) -> DecoderResult<PicInfo> {
 138         let mut br = &mut self.br;
 139         let syncw = br.read(22)?;
 140         validate!(syncw == 0x000020);
 141         let tr = br.read(8)? as u8;
 142         check_marker(br)?;
 143         let id = br.read(1)?;
 144         validate!(id == 0);
 145         br.read(1)?; // split screen indicator
 146         br.read(1)?; // document camera indicator
 147         br.read(1)?; // freeze picture release
 148         let mut sfmt = br.read(3)?;
 149         validate!((sfmt != 0b000) && (sfmt != 0b110));
 150         let is_intra = !br.read_bool()?;
 151         let umv = br.read_bool()?;
 152         br.read(1)?; // syntax arithmetic coding
 153         let apm = br.read_bool()?;
 154         self.is_pb = br.read_bool()?;
 155         let deblock;
 156         if sfmt == 0b111 {
 157             sfmt = br.read(3)?;
 158             validate!((sfmt != 0b000) && (sfmt != 0b111));
 159             br.read(2)?; // unknown flags
 160             deblock = br.read_bool()?;
 161             br.read(1)?; // unknown flag
 162             let pbplus = br.read_bool()?;
 163             br.read(5)?; // unknown flags
 164             let marker = br.read(5)?;
 165             validate!(marker == 1);
 166         } else {
 167             deblock = false;
 168         }
 169         let w; let h;
 170         if sfmt == 0b110 {
 171             let par = br.read(4)?;
 172             w = ((br.read(9)? + 1) * 4) as usize;
 173             check_marker(br)?;
 174             h = ((br.read(9)? + 1) * 4) as usize;
 175             if par == 0b1111 {
 176                 let pixw = br.read(8)?;
 177                 let pixh = br.read(8)?;
 178                 validate!((pixw != 0) && (pixh != 0));
 179             }
 180         } else {
 181             let (w_, h_) = H263_SIZES[sfmt as usize];
 182             w = w_;
 183             h = h_;
 184         }
 185         let quant = br.read(5)?;
 186         let cpm = br.read_bool()?;
 187         validate!(!cpm);
 188
 189         let pbinfo;
 190         if self.is_pb {
 191             let trb = br.read(3)?;
 192             let dbquant = br.read(2)?;
 193             pbinfo = Some(PBInfo::new(trb as u8, dbquant as u8));
 194         } else {
 195             pbinfo = None;
 196         }
 197         while br.read_bool()? { // skip PEI
 198             br.read(8)?;
 199         }
 200 //println!("frame {}x{} intra: {} q {} pb {} apm {} umv {} @{}", w, h, is_intra, quant, self.is_pb, apm, umv, br.tell());
 201         self.gob_no = 0;
 202         self.mb_w = (w + 15) >> 4;
 203
 204         let ftype = if is_intra { Type::I } else { Type::P };
 205         let picinfo = PicInfo::new(w, h, ftype, quant as u8, apm, umv, tr, pbinfo, deblock);
 206         Ok(picinfo)
 207     }
 208
 209     #[allow(unused_variables)]
 210     fn decode_slice_header(&mut self, info: &PicInfo) -> DecoderResult<Slice> {
 211         let mut br = &mut self.br;
 212         let gbsc = br.read(17)?;
 213         validate!(gbsc == 1);
 214         let gn = br.read(5)?;
 215         let gfid = br.read(2)?;
 216         let gquant = br.read(5)?;
 217 //println!("GOB gn {:X} id {} q {}", gn, gfid, gquant);
 218         let ret = Slice::new(0, self.gob_no, gquant as u8);
 219         self.gob_no += 1;
 220         Ok(ret)
 221     }
 222
 223     fn decode_block_header(&mut self, info: &PicInfo, slice: &Slice) -> DecoderResult<BlockInfo> {
 224         let mut br = &mut self.br;
 225         let mut q = slice.get_quant();
 226         match info.get_mode() {
 227             Type::I => {
 228                     let mut cbpc = br.read_cb(&self.tables.intra_mcbpc_cb)?;
 229                     while cbpc == 8 { cbpc = br.read_cb(&self.tables.intra_mcbpc_cb)?; }
 230                     let cbpy = br.read_cb(&self.tables.cbpy_cb)?;
 231                     let cbp = (cbpy << 2) | (cbpc & 3);
 232                     let dquant = (cbpc & 4) != 0;
 233                     if dquant {
 234                         let idx = br.read(2)? as usize;
 235                         q = ((q as i16) + (H263_DQUANT_TAB[idx] as i16)) as u8;
 236                     }
 237                     Ok(BlockInfo::new(Type::I, cbp, q))
 238                 },
 239             Type::P => {
 240                     if br.read_bool()? { return Ok(BlockInfo::new(Type::Skip, 0, info.get_quant())); }
 241                     let mut cbpc = br.read_cb(&self.tables.inter_mcbpc_cb)?;
 242                     while cbpc == 20 { cbpc = br.read_cb(&self.tables.inter_mcbpc_cb)?; }
 243                     let is_intra = (cbpc & 0x04) != 0;
 244                     let dquant   = (cbpc & 0x08) != 0;
 245                     let is_4x4   = (cbpc & 0x10) != 0;
 246                     if is_intra {
 247                         let mut mvec: Vec<MV> = Vec::new();
 248                         let bbinfo = decode_b_info(br, self.is_pb, true)?;
 249                         let cbpy = br.read_cb(&self.tables.cbpy_cb)?;
 250                         let cbp = (cbpy << 2) | (cbpc & 3);
 251                         if dquant {
 252                             let idx = br.read(2)? as usize;
 253                             q = ((q as i16) + (H263_DQUANT_TAB[idx] as i16)) as u8;
 254                         }
 255                         let mut binfo = BlockInfo::new(Type::I, cbp, q);
 256                         binfo.set_bpart(bbinfo);
 257                         if self.is_pb {
 258                             for _ in 0..bbinfo.get_num_mv() {
 259                                 mvec.push(decode_mv(br, &self.tables.mv_cb)?);
 260                             }
 261                             binfo.set_b_mv(mvec.as_slice());
 262                         }
 263                         return Ok(binfo);
 264                     }
 265
 266                     let bbinfo = decode_b_info(br, self.is_pb, false)?;
 267                     let mut cbpy = br.read_cb(&self.tables.cbpy_cb)?;
 268 //                    if /* !aiv && */(cbpc & 3) != 3 {
 269                         cbpy ^= 0xF;
 270 //                    }
 271                     let cbp = (cbpy << 2) | (cbpc & 3);
 272                     if dquant {
 273                         let idx = br.read(2)? as usize;
 274                         q = ((q as i16) + (H263_DQUANT_TAB[idx] as i16)) as u8;
 275                     }
 276                     let mut binfo = BlockInfo::new(Type::P, cbp, q);
 277                     binfo.set_bpart(bbinfo);
 278                     if !is_4x4 {
 279                         let mvec: [MV; 1] = [decode_mv(br, &self.tables.mv_cb)?];
 280                         binfo.set_mv(&mvec);
 281                     } else {
 282                         let mvec: [MV; 4] = [
 283                                 decode_mv(br, &self.tables.mv_cb)?,
 284                                 decode_mv(br, &self.tables.mv_cb)?,
 285                                 decode_mv(br, &self.tables.mv_cb)?,
 286                                 decode_mv(br, &self.tables.mv_cb)?
 287                             ];
 288                         binfo.set_mv(&mvec);
 289                     }
 290                     if self.is_pb {
 291                         let mut mvec: Vec<MV> = Vec::with_capacity(bbinfo.get_num_mv());
 292                         for _ in 0..bbinfo.get_num_mv() {
 293                             let mv = decode_mv(br, &self.tables.mv_cb)?;
 294                             mvec.push(mv);
 295                         }
 296                         binfo.set_b_mv(mvec.as_slice());
 297                     }
 298                     Ok(binfo)
 299                 },
 300             _ => { Err(DecoderError::InvalidData) },
 301         }
 302     }
 303
 304     #[allow(unused_variables)]
 305     fn decode_block_intra(&mut self, info: &BlockInfo, quant: u8, no: usize, coded: bool, blk: &mut [i16; 64]) -> DecoderResult<()> {
 306         self.decode_block(quant, true, coded, blk)
 307     }
 308
 309     #[allow(unused_variables)]
 310     fn decode_block_inter(&mut self, info: &BlockInfo, quant: u8, no: usize, coded: bool, blk: &mut [i16; 64]) -> DecoderResult<()> {
 311         self.decode_block(quant, false, coded, blk)
 312     }
 313
 314     fn is_slice_end(&mut self) -> bool { self.br.peek(16) == 0 }
 315
 316     fn filter_row(&mut self, buf: &mut NAVideoBuffer<u8>, mb_y: usize, mb_w: usize, cbpi: &CBPInfo) {
 317         let stride  = buf.get_stride(0);
 318         let mut off = buf.get_offset(0) + mb_y * 16 * stride;
 319         for mb_x in 0..mb_w {
 320             let coff = off;
 321             let coded0 = cbpi.is_coded(mb_x, 0);
 322             let coded1 = cbpi.is_coded(mb_x, 1);
 323             let q = cbpi.get_q(mb_w + mb_x);
 324             if mb_y != 0 {
 325                 if coded0 && cbpi.is_coded_top(mb_x, 0) { deblock_hor(buf, 0, q, coff); }
 326                 if coded1 && cbpi.is_coded_top(mb_x, 1) { deblock_hor(buf, 0, q, coff + 8); }
 327             }
 328             let coff = off + 8 * stride;
 329             if cbpi.is_coded(mb_x, 2) && coded0 { deblock_hor(buf, 0, q, coff); }
 330             if cbpi.is_coded(mb_x, 3) && coded1 { deblock_hor(buf, 0, q, coff + 8); }
 331             off += 16;
 332         }
 333         let mut leftt = false;
 334         let mut leftc = false;
 335         let mut off = buf.get_offset(0) + mb_y * 16 * stride;
 336         for mb_x in 0..mb_w {
 337             let ctop0 = cbpi.is_coded_top(mb_x, 0);
 338             let ctop1 = cbpi.is_coded_top(mb_x, 0);
 339             let ccur0 = cbpi.is_coded(mb_x, 0);
 340             let ccur1 = cbpi.is_coded(mb_x, 1);
 341             let q = cbpi.get_q(mb_w + mb_x);
 342             if mb_y != 0 {
 343                 let coff = off - 8 * stride;
 344                 let qtop = cbpi.get_q(mb_x);
 345                 if leftt && ctop0 { deblock_ver(buf, 0, qtop, coff); }
 346                 if ctop0 && ctop1 { deblock_ver(buf, 0, qtop, coff + 8); }
 347             }
 348             if leftc && ccur0 { deblock_ver(buf, 0, q, off); }
 349             if ccur0 && ccur1 { deblock_ver(buf, 0, q, off + 8); }
 350             leftt = ctop1;
 351             leftc = ccur1;
 352             off += 16;
 353         }
 354         let strideu  = buf.get_stride(1);
 355         let stridev  = buf.get_stride(2);
 356         let offu = buf.get_offset(1) + mb_y * 8 * strideu;
 357         let offv = buf.get_offset(2) + mb_y * 8 * stridev;
 358         if mb_y != 0 {
 359             for mb_x in 0..mb_w {
 360                 let ctu = cbpi.is_coded_top(mb_x, 4);
 361                 let ccu = cbpi.is_coded(mb_x, 4);
 362                 let ctv = cbpi.is_coded_top(mb_x, 5);
 363                 let ccv = cbpi.is_coded(mb_x, 5);
 364                 let q = cbpi.get_q(mb_w + mb_x);
 365                 if ctu && ccu { deblock_hor(buf, 1, q, offu + mb_x * 8); }
 366                 if ctv && ccv { deblock_hor(buf, 2, q, offv + mb_x * 8); }
 367             }
 368             let mut leftu = false;
 369             let mut leftv = false;
 370             let offu = buf.get_offset(1) + (mb_y - 1) * 8 * strideu;
 371             let offv = buf.get_offset(2) + (mb_y - 1) * 8 * stridev;
 372             for mb_x in 0..mb_w {
 373                 let ctu = cbpi.is_coded_top(mb_x, 4);
 374                 let ctv = cbpi.is_coded_top(mb_x, 5);
 375                 let qt = cbpi.get_q(mb_x);
 376                 if leftu && ctu { deblock_ver(buf, 1, qt, offu + mb_x * 8); }
 377                 if leftv && ctv { deblock_ver(buf, 2, qt, offv + mb_x * 8); }
 378                 leftu = ctu;
 379                 leftv = ctv;
 380             }
 381         }
 382     }
 383 }
 384
 385 fn deblock_hor(buf: &mut NAVideoBuffer<u8>, comp: usize, q: u8, off: usize) {
 386     let stride = buf.get_stride(comp);
 387     let mut dptr = buf.get_data_mut();
 388     let mut buf = dptr.as_mut_slice();
 389     for x in 0..8 {
 390         let a = buf[off - 2 * stride + x] as i16;
 391         let b = buf[off - 1 * stride + x] as i16;
 392         let c = buf[off + 0 * stride + x] as i16;
 393         let d = buf[off + 1 * stride + x] as i16;
 394         let diff = ((a - d) * 3 + (c - b) * 8) >> 4;
 395         if (diff != 0) && (diff >= -32) && (diff < 32) {
 396             let d0 = diff.abs() * 2 - (q as i16);
 397             let d1 = if d0 < 0 { 0 } else { d0 };
 398             let d2 = diff.abs() - d1;
 399             let d3 = if d2 < 0 { 0 } else { d2 };
 400
 401             let delta = if diff < 0 { -d3 } else { d3 };
 402
 403             let b1 = b + delta;
 404             if      b1 < 0   { buf[off - 1 * stride + x] = 0; }
 405             else if b1 > 255 { buf[off - 1 * stride + x] = 0xFF; }
 406             else             { buf[off - 1 * stride + x] = b1 as u8; }
 407             let c1 = c - delta;
 408             if      c1 < 0   { buf[off + x] = 0; }
 409             else if c1 > 255 { buf[off + x] = 0xFF; }
 410             else             { buf[off + x] = c1 as u8; }
 411         }
 412     }
 413 }
 414
 415 fn deblock_ver(buf: &mut NAVideoBuffer<u8>, comp: usize, q: u8, off: usize) {
 416     let stride = buf.get_stride(comp);
 417     let mut dptr = buf.get_data_mut();
 418     let mut buf = dptr.as_mut_slice();
 419     for y in 0..8 {
 420         let a = buf[off - 2 + y * stride] as i16;
 421         let b = buf[off - 1 + y * stride] as i16;
 422         let c = buf[off + 0 + y * stride] as i16;
 423         let d = buf[off + 1 + y * stride] as i16;
 424         let diff = ((a - d) * 3 + (c - b) * 8) >> 4;
 425         if (diff != 0) && (diff >= -32) && (diff < 32) {
 426             let d0 = diff.abs() * 2 - (q as i16);
 427             let d1 = if d0 < 0 { 0 } else { d0 };
 428             let d2 = diff.abs() - d1;
 429             let d3 = if d2 < 0 { 0 } else { d2 };
 430
 431             let delta = if diff < 0 { -d3 } else { d3 };
 432
 433             let b1 = b + delta;
 434             if      b1 < 0   { buf[off - 1 + y * stride] = 0; }
 435             else if b1 > 255 { buf[off - 1 + y * stride] = 0xFF; }
 436             else             { buf[off - 1 + y * stride] = b1 as u8; }
 437             let c1 = c - delta;
 438             if      c1 < 0   { buf[off + y * stride] = 0; }
 439             else if c1 > 255 { buf[off + y * stride] = 0xFF; }
 440             else             { buf[off + y * stride] = c1 as u8; }
 441         }
 442     }
 443 }
 444
 445 impl Intel263Decoder {
 446     fn new() -> Self {
 447         let mut coderead = H263ShortCodeReader::new(H263_INTRA_MCBPC);
 448         let intra_mcbpc_cb = Codebook::new(&mut coderead, CodebookMode::MSB).unwrap();
 449         let mut coderead = H263ShortCodeReader::new(H263_INTER_MCBPC);
 450         let inter_mcbpc_cb = Codebook::new(&mut coderead, CodebookMode::MSB).unwrap();
 451         let mut coderead = H263ShortCodeReader::new(H263_CBPY);
 452         let cbpy_cb = Codebook::new(&mut coderead, CodebookMode::MSB).unwrap();
 453         let mut coderead = H263RLCodeReader::new(H263_RL_CODES);
 454         let rl_cb = Codebook::new(&mut coderead, CodebookMode::MSB).unwrap();
 455         let mut coderead = H263RLCodeReader::new(H263_RL_CODES_AIC);
 456         let aic_rl_cb = Codebook::new(&mut coderead, CodebookMode::MSB).unwrap();
 457         let mut coderead = H263ShortCodeReader::new(H263_MV);
 458         let mv_cb = Codebook::new(&mut coderead, CodebookMode::MSB).unwrap();
 459         let tables = Tables {
 460             intra_mcbpc_cb: intra_mcbpc_cb,
 461             inter_mcbpc_cb: inter_mcbpc_cb,
 462             cbpy_cb:        cbpy_cb,
 463             rl_cb:          rl_cb,
 464             aic_rl_cb:      aic_rl_cb,
 465             mv_cb:          mv_cb,
 466         };
 467
 468         Intel263Decoder{
 469             info:           Rc::new(DUMMY_CODEC_INFO),
 470             dec:            H263BaseDecoder::new(),
 471             tables:         tables,
 472         }
 473     }
 474 }
 475
 476 impl NADecoder for Intel263Decoder {
 477     fn init(&mut self, info: Rc<NACodecInfo>) -> DecoderResult<()> {
 478         if let NACodecTypeInfo::Video(vinfo) = info.get_properties() {
 479             let w = vinfo.get_width();
 480             let h = vinfo.get_height();
 481             let fmt = formats::YUV420_FORMAT;
 482             let myinfo = NACodecTypeInfo::Video(NAVideoInfo::new(w, h, false, fmt));
 483             self.info = Rc::new(NACodecInfo::new_ref(info.get_name(), myinfo, info.get_extradata()));
 484             Ok(())
 485         } else {
 486             Err(DecoderError::InvalidData)
 487         }
 488     }
 489     fn decode(&mut self, pkt: &NAPacket) -> DecoderResult<NAFrameRef> {
 490         let src = pkt.get_buffer();
 491
 492         if src.len() == 8 {
 493             let bret = self.dec.get_bframe();
 494             let buftype;
 495             let is_skip;
 496             if let Ok(btype) = bret {
 497                 buftype = btype;
 498                 is_skip = false;
 499             } else {
 500                 buftype = NABufferType::None;
 501                 is_skip = true;
 502             }
 503             let mut frm = NAFrame::new_from_pkt(pkt, self.info.clone(), buftype);
 504             frm.set_keyframe(false);
 505             frm.set_frame_type(if is_skip { FrameType::Skip } else { FrameType::B });
 506             return Ok(Rc::new(RefCell::new(frm)));
 507         }
 508         let mut ibr = Intel263BR::new(&src, &self.tables);
 509
 510         let bufinfo = self.dec.parse_frame(&mut ibr)?;
 511
 512         let mut frm = NAFrame::new_from_pkt(pkt, self.info.clone(), bufinfo);
 513         frm.set_keyframe(self.dec.is_intra());
 514         frm.set_frame_type(if self.dec.is_intra() { FrameType::I } else { FrameType::P });
 515         Ok(Rc::new(RefCell::new(frm)))
 516     }
 517 }
 518
 519
 520 pub fn get_decoder() -> Box<NADecoder> {
 521     Box::new(Intel263Decoder::new())
 522 }
 523
 524 #[cfg(test)]
 525 mod test {
 526     use test::dec_video::test_file_decoding;
 527     #[test]
 528     fn test_intel263() {
 529          test_file_decoding("avi", "assets/neal73_saber.avi", Some(16), true, false, None);
 530     }
 531 }