nihav-realmedia/src/codecs/rv20.rs

   1 use std::rc::Rc;
   2 use std::cell::RefCell;
   3 use nihav_core::io::bitreader::*;
   4 use nihav_core::io::codebook::*;
   5 use nihav_core::formats;
   6 use nihav_core::frame::*;
   7 use nihav_core::codecs::*;
   8 use nihav_core::codecs::h263::*;
   9 use nihav_core::codecs::h263::code::H263BlockDSP;
  10 use nihav_core::codecs::h263::decoder::*;
  11 use nihav_core::codecs::h263::data::*;
  12
  13
  14 #[allow(dead_code)]
  15 struct Tables {
  16     intra_mcbpc_cb: Codebook<u8>,
  17     inter_mcbpc_cb: Codebook<u8>,
  18     mbtype_b_cb:    Codebook<u8>,
  19     cbpy_cb:        Codebook<u8>,
  20     cbpc_b_cb:      Codebook<u8>,
  21     rl_cb:          Codebook<H263RLSym>,
  22     aic_rl_cb:      Codebook<H263RLSym>,
  23     mv_cb:          Codebook<u8>,
  24 }
  25
  26 #[derive(Clone,Copy)]
  27 struct RPRInfo {
  28     present:    bool,
  29     bits:       u8,
  30     widths:     [usize; 8],
  31     heights:    [usize; 8],
  32 }
  33
  34 struct RealVideo20Decoder {
  35     info:       Rc<NACodecInfo>,
  36     dec:        H263BaseDecoder,
  37     tables:     Tables,
  38     w:          usize,
  39     h:          usize,
  40     minor_ver:  u8,
  41     rpr:        RPRInfo,
  42     bdsp:       H263BlockDSP,
  43 }
  44
  45 struct RealVideo20BR<'a> {
  46     br:         BitReader<'a>,
  47     tables:     &'a Tables,
  48     num_slices: usize,
  49     slice_no:   usize,
  50     slice_off:  Vec<u32>,
  51     w:          usize,
  52     h:          usize,
  53     mb_w:       usize,
  54     mb_h:       usize,
  55     mb_pos_bits: u8,
  56     minor_ver:  u8,
  57     rpr:        RPRInfo,
  58 }
  59
  60 struct RV20SliceInfo {
  61     ftype:  Type,
  62     seq:    u32,
  63     qscale: u8,
  64     mb_x:   usize,
  65     mb_y:   usize,
  66     mb_pos: usize,
  67     w:      usize,
  68     h:      usize,
  69 }
  70
  71 impl RV20SliceInfo {
  72     fn new(ftype: Type, seq: u32, qscale: u8, mb_x: usize, mb_y: usize, mb_pos: usize, w: usize, h: usize) -> Self {
  73         RV20SliceInfo { ftype: ftype, seq: seq, qscale: qscale, mb_x: mb_x, mb_y: mb_y, mb_pos: mb_pos, w: w, h: h }
  74     }
  75 }
  76
  77 impl<'a> RealVideo20BR<'a> {
  78     fn new(src: &'a [u8], tables: &'a Tables, width: usize, height: usize, minor_ver: u8, rpr: RPRInfo) -> Self {
  79         let nslices = (src[0] as usize) + 1;
  80         let mut slice_offs = Vec::with_capacity(nslices);
  81         {
  82             let offs = &src[1..][..nslices * 8];
  83             let mut br = BitReader::new(offs, offs.len(), BitReaderMode::BE);
  84             for _ in 0..nslices {
  85                 br.skip(32).unwrap();
  86                 let off = br.read(32).unwrap();
  87                 slice_offs.push(off);
  88             }
  89         }
  90         let soff = nslices * 8 + 1;
  91         let mb_w = (width  + 15) >> 4;
  92         let mb_h = (height + 15) >> 4;
  93         let max_pos = mb_w * mb_h - 1;
  94         let mut mbpb = 0;
  95         for i in 0..H263_MBB.len() {
  96             if max_pos <= H263_MBB[i].blocks {
  97                 mbpb = H263_MBB[i].bits;
  98                 break;
  99             }
 100         }
 101         RealVideo20BR {
 102             br:         BitReader::new(&src[soff..], src.len() - soff, BitReaderMode::BE),
 103             tables:     tables,
 104             num_slices: nslices,
 105             slice_no:   0,
 106             slice_off:  slice_offs,
 107             w:          width,
 108             h:          height,
 109             mb_w:       mb_w,
 110             mb_h:       mb_h,
 111             mb_pos_bits: mbpb,
 112             minor_ver:  minor_ver,
 113             rpr:        rpr,
 114         }
 115     }
 116
 117 #[allow(unused_variables)]
 118     fn decode_block(&mut self, sstate: &SliceState, quant: u8, intra: bool, coded: bool, blk: &mut [i16; 64], plane_no: usize, acpred: ACPredMode) -> DecoderResult<()> {
 119         let br = &mut self.br;
 120         let mut idx = 0;
 121         if !sstate.is_iframe && intra {
 122             let mut dc = br.read(8)? as i16;
 123             if dc == 255 { dc = 128; }
 124             blk[0] = dc << 3;
 125             idx = 1;
 126         }
 127         if !coded { return Ok(()); }
 128         let scan = match acpred {
 129                     ACPredMode::Hor => H263_SCAN_V,
 130                     ACPredMode::Ver => H263_SCAN_H,
 131                     _               => H263_ZIGZAG,
 132                 };
 133
 134         let rl_cb = if sstate.is_iframe { &self.tables.aic_rl_cb } else { &self.tables.rl_cb };
 135         let q_add = if quant == 0 || sstate.is_iframe { 0i16 } else { ((quant - 1) | 1) as i16 };
 136         let q = if plane_no == 0 { (quant * 2) as i16 } else { H263_CHROMA_QUANT[quant as usize] as i16 };
 137         while idx < 64 {
 138             let code = br.read_cb(rl_cb)?;
 139             let run;
 140             let mut level;
 141             let last;
 142             if !code.is_escape() {
 143                 run   = code.get_run();
 144                 level = code.get_level();
 145                 last  = code.is_last();
 146                 if br.read_bool()? { level = -level; }
 147                 level = (level * q) + q_add;
 148             } else {
 149                 last  = br.read_bool()?;
 150                 run   = br.read(6)? as u8;
 151                 level = br.read_s(8)? as i16;
 152                 if level == -128 {
 153                     let low = br.read(5)? as i16;
 154                     let top = br.read_s(6)? as i16;
 155                     level = (top << 5) | low;
 156                 }
 157                 level = (level * q) + q_add;
 158                 if level < -2048 { level = -2048; }
 159                 if level >  2047 { level =  2047; }
 160             }
 161             idx += run;
 162             validate!(idx < 64);
 163             let oidx = scan[idx as usize];
 164             blk[oidx] = level;
 165             idx += 1;
 166             if last { break; }
 167         }
 168         Ok(())
 169     }
 170 }
 171
 172 fn decode_mv_component(br: &mut BitReader, mv_cb: &Codebook<u8>) -> DecoderResult<i16> {
 173     let code = br.read_cb(mv_cb)? as i16;
 174     if code == 0 { return Ok(0) }
 175     if !br.read_bool()? {
 176         Ok(code)
 177     } else {
 178         Ok(-code)
 179     }
 180 }
 181
 182 fn decode_mv(br: &mut BitReader, mv_cb: &Codebook<u8>) -> DecoderResult<MV> {
 183     let xval = decode_mv_component(br, mv_cb)?;
 184     let yval = decode_mv_component(br, mv_cb)?;
 185     Ok(MV::new(xval, yval))
 186 }
 187
 188 fn read_dquant(br: &mut BitReader, q: u8) -> DecoderResult<u8> {
 189     if br.read_bool()? {
 190         Ok(H263_MODIFIED_QUANT[br.read(1)? as usize][q as usize])
 191     } else {
 192         Ok(br.read(5)? as u8)
 193     }
 194 }
 195
 196 impl<'a> BlockDecoder for RealVideo20BR<'a> {
 197
 198 #[allow(unused_variables)]
 199     fn decode_pichdr(&mut self) -> DecoderResult<PicInfo> {
 200         self.slice_no = 0;
 201         let shdr = self.read_slice_header()?;
 202 //        self.slice_no += 1;
 203         validate!((shdr.mb_x == 0) && (shdr.mb_y == 0));
 204 /*        let mb_count;
 205         if self.slice_no < self.num_slices {
 206             let pos = self.br.tell();
 207             let shdr2 = self.read_slice_header()?;
 208             self.br.seek(pos as u32)?;
 209             mb_count = shdr2.mb_pos - shdr.mb_pos;
 210         } else {
 211             mb_count = self.mb_w * self.mb_h;
 212         }*/
 213
 214         let plusinfo = Some(PlusInfo::new(shdr.ftype == Type::I, false, false, false));
 215         let picinfo = PicInfo::new(shdr.w, shdr.h, shdr.ftype, MVMode::Long, false, false, shdr.qscale, shdr.seq as u16, None, plusinfo);
 216         Ok(picinfo)
 217     }
 218
 219     #[allow(unused_variables)]
 220     fn decode_slice_header(&mut self, info: &PicInfo) -> DecoderResult<SliceInfo> {
 221         let shdr = self.read_slice_header()?;
 222         self.slice_no += 1;
 223         let mb_count;
 224         if self.slice_no < self.num_slices {
 225             let pos = self.br.tell();
 226             let shdr2 = self.read_slice_header()?;
 227             mb_count = shdr2.mb_pos - shdr.mb_pos;
 228             self.br.seek(pos as u32)?;
 229         } else {
 230             mb_count = self.mb_w * self.mb_h - shdr.mb_pos;
 231         }
 232         let ret = SliceInfo::new(shdr.mb_x, shdr.mb_y, shdr.mb_pos + mb_count, shdr.qscale);
 233
 234         Ok(ret)
 235     }
 236
 237     fn decode_block_header(&mut self, info: &PicInfo, _slice: &SliceInfo, sstate: &SliceState) -> DecoderResult<BlockInfo> {
 238         let br = &mut self.br;
 239         let mut q = sstate.quant;
 240         match info.get_mode() {
 241             Type::I => {
 242                     let mut cbpc = br.read_cb(&self.tables.intra_mcbpc_cb)?;
 243                     while cbpc == 8 { cbpc = br.read_cb(&self.tables.intra_mcbpc_cb)?; }
 244                     let mut acpred = ACPredMode::None;
 245                     if let Some(ref pi) = info.plusinfo {
 246                         if pi.aic {
 247                             let acpp = br.read_bool()?;
 248                             acpred = ACPredMode::DC;
 249                             if acpp {
 250                                 acpred = if br.read_bool()? { ACPredMode::Hor } else { ACPredMode::Ver };
 251                             }
 252                         }
 253                     }
 254                     let cbpy = br.read_cb(&self.tables.cbpy_cb)?;
 255                     let cbp = (cbpy << 2) | (cbpc & 3);
 256                     let dquant = (cbpc & 4) != 0;
 257                     if dquant {
 258                         q = read_dquant(br, q)?;
 259                     }
 260                     let mut binfo = BlockInfo::new(Type::I, cbp, q);
 261                     binfo.set_acpred(acpred);
 262                     Ok(binfo)
 263                 },
 264             Type::P => {
 265                     if br.read_bool()? {
 266                         return Ok(BlockInfo::new(Type::Skip, 0, info.get_quant()));
 267                     }
 268                     let mut cbpc = br.read_cb(&self.tables.inter_mcbpc_cb)?;
 269                     while cbpc == 20 { cbpc = br.read_cb(&self.tables.inter_mcbpc_cb)?; }
 270                     let is_intra = (cbpc & 0x04) != 0;
 271                     let dquant   = (cbpc & 0x08) != 0;
 272                     let is_4x4   = (cbpc & 0x10) != 0;
 273                     if is_intra {
 274                         let cbpy = br.read_cb(&self.tables.cbpy_cb)?;
 275                         let cbp = (cbpy << 2) | (cbpc & 3);
 276                         if dquant {
 277                             q = read_dquant(br, q)?;
 278                         }
 279                         let binfo = BlockInfo::new(Type::I, cbp, q);
 280                         return Ok(binfo);
 281                     }
 282
 283                     let mut cbpy = br.read_cb(&self.tables.cbpy_cb)?;
 284 //                    if /* !aiv && */(cbpc & 3) != 3 {
 285                         cbpy ^= 0xF;
 286 //                    }
 287                     let cbp = (cbpy << 2) | (cbpc & 3);
 288                     if dquant {
 289                         q = read_dquant(br, q)?;
 290                     }
 291                     let mut binfo = BlockInfo::new(Type::P, cbp, q);
 292                     if !is_4x4 {
 293                         let mvec: [MV; 1] = [decode_mv(br, &self.tables.mv_cb)?];
 294                         binfo.set_mv(&mvec);
 295                     } else {
 296                         let mvec: [MV; 4] = [
 297                                 decode_mv(br, &self.tables.mv_cb)?,
 298                                 decode_mv(br, &self.tables.mv_cb)?,
 299                                 decode_mv(br, &self.tables.mv_cb)?,
 300                                 decode_mv(br, &self.tables.mv_cb)?
 301                             ];
 302                         binfo.set_mv(&mvec);
 303                     }
 304                     Ok(binfo)
 305                 },
 306             Type::B => { // B
 307                     let mut mbtype = br.read_cb(&self.tables.mbtype_b_cb)? as usize;
 308                     while mbtype == 14 { mbtype = br.read_cb(&self.tables.mbtype_b_cb)? as usize; }
 309
 310                     let is_coded  = (H263_MBTYPE_B_CAPS[mbtype] & H263_MBB_CAP_CODED) != 0;
 311                     let is_intra  = (H263_MBTYPE_B_CAPS[mbtype] & H263_MBB_CAP_INTRA) != 0;
 312                     let dquant    = (H263_MBTYPE_B_CAPS[mbtype] & H263_MBB_CAP_DQUANT) != 0;
 313                     let is_fwd    = (H263_MBTYPE_B_CAPS[mbtype] & H263_MBB_CAP_FORWARD) != 0;
 314                     let is_bwd    = (H263_MBTYPE_B_CAPS[mbtype] & H263_MBB_CAP_BACKWARD) != 0;
 315
 316                     let cbp = if is_coded {
 317                             let cbpc = br.read_cb(&self.tables.cbpc_b_cb)?;
 318                             let mut cbpy = br.read_cb(&self.tables.cbpy_cb)?;
 319                             if !is_intra { cbpy ^= 0xF; }
 320                             (cbpy << 2) | (cbpc & 3)
 321                         } else { 0 };
 322
 323                     if dquant {
 324                         q = read_dquant(br, q)?;
 325                     }
 326
 327                     if is_intra {
 328                         let binfo = BlockInfo::new(Type::I, cbp, q);
 329                         return Ok(binfo);
 330                     }
 331
 332                     let mut binfo = BlockInfo::new(Type::B, cbp, q);
 333                     if is_fwd {
 334                         let mvec: [MV; 1] = [decode_mv(br, &self.tables.mv_cb)?];
 335                         binfo.set_mv(&mvec);
 336                     }
 337                     if is_bwd {
 338                         let mvec: [MV; 1] = [decode_mv(br, &self.tables.mv_cb)?];
 339                         binfo.set_b_mv(&mvec);
 340                     }
 341                     Ok(binfo)
 342                 },
 343             _ => { unreachable!(); },
 344         }
 345     }
 346
 347     fn decode_block_intra(&mut self, info: &BlockInfo, sstate: &SliceState, quant: u8, no: usize, coded: bool, blk: &mut [i16; 64]) -> DecoderResult<()> {
 348         self.decode_block(sstate, quant, true, coded, blk, if no < 4 { 0 } else { no - 3 }, info.get_acpred())
 349     }
 350
 351     #[allow(unused_variables)]
 352     fn decode_block_inter(&mut self, info: &BlockInfo, sstate: &SliceState, quant: u8, no: usize, coded: bool, blk: &mut [i16; 64]) -> DecoderResult<()> {
 353         self.decode_block(sstate, quant, false, coded, blk, if no < 4 { 0 } else { no - 3 }, ACPredMode::None)
 354     }
 355
 356     fn is_slice_end(&mut self) -> bool { false }
 357 }
 358
 359 impl<'a> RealVideo20BR<'a> {
 360 #[allow(unused_variables)]
 361     fn read_slice_header(&mut self) -> DecoderResult<RV20SliceInfo> {
 362         validate!(self.slice_no < self.num_slices);
 363
 364         let br = &mut self.br;
 365         br.seek(self.slice_off[self.slice_no] * 8)?;
 366
 367         let frm_type    = br.read(2)?;
 368         let ftype = match frm_type {
 369                 0 | 1 => { Type::I },
 370                 2     => { Type::P },
 371                 _     => { Type::B },
 372             };
 373
 374         let marker      = br.read(1)?;
 375         validate!(marker == 0);
 376         let qscale      = br.read(5)? as u8;
 377         validate!(qscale > 0);
 378         if self.minor_ver >= 2 {
 379             br.skip(1)?; // loop filter
 380         }
 381         let seq = if self.minor_ver <= 1 {
 382                 br.read(8)?  << 8
 383             } else {
 384                 br.read(13)? << 3
 385             };
 386         let w;
 387         let h;
 388         if self.rpr.present {
 389             let rpr = br.read(self.rpr.bits)? as usize;
 390             if rpr == 0 {
 391                 w = self.w;
 392                 h = self.h;
 393             } else {
 394                 w = self.rpr.widths[rpr - 1];
 395                 h = self.rpr.heights[rpr - 1];
 396                 validate!((w != 0) && (h != 0));
 397             }
 398         } else {
 399             w = self.w;
 400             h = self.h;
 401         }
 402
 403         let mb_pos = br.read(self.mb_pos_bits)? as usize;
 404         let mb_x = mb_pos % self.mb_w;
 405         let mb_y = mb_pos / self.mb_w;
 406
 407         br.skip(1)?; // no rounding
 408
 409         if (self.minor_ver <= 1) && (frm_type == 3) {
 410             br.skip(5)?;
 411         }
 412
 413         Ok(RV20SliceInfo::new(ftype, seq, qscale, mb_x, mb_y, mb_pos, w, h))
 414     }
 415 }
 416
 417 impl RealVideo20Decoder {
 418     fn new() -> Self {
 419         let mut coderead = H263ShortCodeReader::new(H263_INTRA_MCBPC);
 420         let intra_mcbpc_cb = Codebook::new(&mut coderead, CodebookMode::MSB).unwrap();
 421         let mut coderead = H263ShortCodeReader::new(H263_INTER_MCBPC);
 422         let inter_mcbpc_cb = Codebook::new(&mut coderead, CodebookMode::MSB).unwrap();
 423         let mut coderead = H263ShortCodeReader::new(H263_MBTYPE_B);
 424         let mbtype_b_cb = Codebook::new(&mut coderead, CodebookMode::MSB).unwrap();
 425         let mut coderead = H263ShortCodeReader::new(H263_CBPY);
 426         let cbpy_cb = Codebook::new(&mut coderead, CodebookMode::MSB).unwrap();
 427         let mut coderead = H263ShortCodeReader::new(H263_CBPC_B);
 428         let cbpc_b_cb = Codebook::new(&mut coderead, CodebookMode::MSB).unwrap();
 429         let mut coderead = H263RLCodeReader::new(H263_RL_CODES);
 430         let rl_cb = Codebook::new(&mut coderead, CodebookMode::MSB).unwrap();
 431         let mut coderead = H263RLCodeReader::new(H263_RL_CODES_AIC);
 432         let aic_rl_cb = Codebook::new(&mut coderead, CodebookMode::MSB).unwrap();
 433         let mut coderead = H263ShortCodeReader::new(H263_MV);
 434         let mv_cb = Codebook::new(&mut coderead, CodebookMode::MSB).unwrap();
 435
 436         let tables = Tables {
 437             intra_mcbpc_cb: intra_mcbpc_cb,
 438             inter_mcbpc_cb: inter_mcbpc_cb,
 439             mbtype_b_cb:    mbtype_b_cb,
 440             cbpy_cb:        cbpy_cb,
 441             cbpc_b_cb:      cbpc_b_cb,
 442             rl_cb:          rl_cb,
 443             aic_rl_cb:      aic_rl_cb,
 444             mv_cb:          mv_cb,
 445         };
 446
 447         RealVideo20Decoder{
 448             info:           Rc::new(DUMMY_CODEC_INFO),
 449             dec:            H263BaseDecoder::new_b_frames(false),
 450             tables:         tables,
 451             w:              0,
 452             h:              0,
 453             minor_ver:      0,
 454             rpr:            RPRInfo { present: false, bits: 0, widths: [0; 8], heights: [0; 8] },
 455             bdsp:           H263BlockDSP::new(),
 456         }
 457     }
 458 }
 459
 460 impl NADecoder for RealVideo20Decoder {
 461 #[allow(unused_variables)]
 462     fn init(&mut self, info: Rc<NACodecInfo>) -> DecoderResult<()> {
 463         if let NACodecTypeInfo::Video(vinfo) = info.get_properties() {
 464             let w = vinfo.get_width();
 465             let h = vinfo.get_height();
 466             let fmt = formats::YUV420_FORMAT;
 467             let myinfo = NACodecTypeInfo::Video(NAVideoInfo::new(w, h, false, fmt));
 468             self.info = Rc::new(NACodecInfo::new_ref(info.get_name(), myinfo, info.get_extradata()));
 469             self.w = w;
 470             self.h = h;
 471
 472             let edata = info.get_extradata().unwrap();
 473             let src: &[u8] = &edata;
 474             let ver = ((src[4] as u32) << 12) | ((src[5] as u32) << 4) | ((src[6] as u32) >> 4);
 475             let maj_ver = ver >> 16;
 476             let min_ver = (ver >> 8) & 0xFF;
 477             let mic_ver = ver & 0xFF;
 478             validate!(maj_ver == 2);
 479             self.minor_ver = min_ver as u8;
 480             let rprb = src[1] & 7;
 481             if rprb == 0 {
 482                 self.rpr.present = false;
 483             } else {
 484                 self.rpr.present = true;
 485                 self.rpr.bits    = ((rprb >> 1) + 1) as u8;
 486                 for i in 4..(src.len()/2) {
 487                     self.rpr.widths [i - 4] = (src[i * 2]     as usize) * 4;
 488                     self.rpr.heights[i - 4] = (src[i * 2 + 1] as usize) * 4;
 489                 }
 490             }
 491             Ok(())
 492         } else {
 493             Err(DecoderError::InvalidData)
 494         }
 495     }
 496     fn decode(&mut self, pkt: &NAPacket) -> DecoderResult<NAFrameRef> {
 497         let src = pkt.get_buffer();
 498
 499         let mut ibr = RealVideo20BR::new(&src, &self.tables, self.w, self.h, self.minor_ver, self.rpr);
 500
 501         let bufinfo = self.dec.parse_frame(&mut ibr, &self.bdsp)?;
 502
 503         let mut frm = NAFrame::new_from_pkt(pkt, self.info.clone(), bufinfo);
 504         frm.set_keyframe(self.dec.is_intra());
 505         frm.set_frame_type(self.dec.get_frame_type());
 506         Ok(Rc::new(RefCell::new(frm)))
 507     }
 508 }
 509
 510 struct MBB { blocks: usize, bits: u8 }
 511 const H263_MBB: &[MBB; 7] = &[
 512     MBB{ blocks:    47, bits:  6 },
 513     MBB{ blocks:    98, bits:  7 },
 514     MBB{ blocks:   395, bits:  9 },
 515     MBB{ blocks:  1583, bits: 11 },
 516     MBB{ blocks:  6335, bits: 13 },
 517     MBB{ blocks:  9215, bits: 14 },
 518     MBB{ blocks: 65536, bits: 14 },
 519 ];
 520
 521 pub fn get_decoder() -> Box<NADecoder> {
 522     Box::new(RealVideo20Decoder::new())
 523 }
 524
 525 #[cfg(test)]
 526 mod test {
 527     use nihav_core::codecs::RegisteredDecoders;
 528     use nihav_core::demuxers::RegisteredDemuxers;
 529     use nihav_core::test::dec_video::*;
 530     use crate::codecs::realmedia_register_all_codecs;
 531     use crate::demuxers::realmedia_register_all_demuxers;
 532     #[test]
 533     fn test_rv20() {
 534         let mut dmx_reg = RegisteredDemuxers::new();
 535         realmedia_register_all_demuxers(&mut dmx_reg);
 536         let mut dec_reg = RegisteredDecoders::new();
 537         realmedia_register_all_codecs(&mut dec_reg);
 538
 539         test_file_decoding("realmedia", "assets/RV/rv20_svt_atrc_640x352_realproducer_plus_8.51.rm", /*None*/Some(3000), true, false, None/*Some("rv20")*/, &dmx_reg, &dec_reg);
 540 //        test_file_decoding("realmedia", "assets/RV/rv20_cook_640x352_realproducer_plus_8.51.rm", /*None*/Some(1000), true, false, Some("rv20"));
 541     }
 542 }