nihav-commonfmt/src/codecs/cinepakenc.rs

   1 use nihav_core::codecs::*;
   2 use nihav_core::io::byteio::*;
   3 use nihav_codec_support::vq::*;
   4
   5 #[derive(Default,Clone,Copy,PartialEq,Debug)]
   6 struct YUVCode {
   7     y:  [u8; 4],
   8     u:  u8,
   9     v:  u8,
  10 }
  11 impl VQElement for YUVCode {
  12     fn dist(&self, rval: Self) -> u32 {
  13         let mut ysum = 0;
  14         for (y0, y1) in self.y.iter().zip(rval.y.iter()) {
  15             let yd = i32::from(*y0) - i32::from(*y1);
  16             ysum += yd * yd;
  17         }
  18         let ud = i32::from(self.u) - i32::from(rval.u);
  19         let vd = i32::from(self.v) - i32::from(rval.v);
  20         (ysum + ud * ud + vd * vd) as u32
  21     }
  22     fn min_cw() -> Self { YUVCode { y: [0; 4], u: 0, v: 0 } }
  23     fn max_cw() -> Self { YUVCode { y: [255; 4], u: 255, v: 255 } }
  24     fn min(&self, rval: Self) -> Self {
  25         let mut ycode = YUVCode::default();
  26         for i in 0..4 {
  27             ycode.y[i] = self.y[i].min(rval.y[i]);
  28         }
  29         ycode.u = self.u.min(rval.u);
  30         ycode.v = self.v.min(rval.v);
  31         ycode
  32     }
  33     fn max(&self, rval: Self) -> Self {
  34         let mut ycode = YUVCode::default();
  35         for i in 0..4 {
  36             ycode.y[i] = self.y[i].max(rval.y[i]);
  37         }
  38         ycode.u = self.u.max(rval.u);
  39         ycode.v = self.v.max(rval.v);
  40         ycode
  41     }
  42     fn num_components() -> usize { 6 }
  43     fn sort_by_component(arr: &mut [Self], component: usize) {
  44         let mut counts = [0; 256];
  45         for entry in arr.iter() {
  46             let idx = match component {
  47                     0 | 1 | 2 | 3 => entry.y[component],
  48                     4 => entry.u,
  49                     _ => entry.v,
  50                 } as usize;
  51             counts[idx] += 1;
  52         }
  53         let mut offs = [0; 256];
  54         for i in 0..255 {
  55             offs[i + 1] = offs[i] + counts[i];
  56         }
  57         let mut dst = vec![YUVCode::default(); arr.len()];
  58         for entry in arr.iter() {
  59             let idx = match component {
  60                     0 | 1 | 2 | 3 => entry.y[component],
  61                     4 => entry.u,
  62                     _ => entry.v,
  63                 } as usize;
  64             dst[offs[idx]] = *entry;
  65             offs[idx] += 1;
  66         }
  67         arr.copy_from_slice(dst.as_slice());
  68     }
  69     fn max_dist_component(min: &Self, max: &Self) -> usize {
  70         let mut comp = 0;
  71         let mut diff = 0;
  72         for i in 0..4 {
  73             let d = u32::from(max.y[i]) - u32::from(min.y[i]);
  74             if d > diff {
  75                 diff = d;
  76                 comp = i;
  77             }
  78         }
  79         let ud = u32::from(max.u) - u32::from(min.u);
  80         if ud > diff {
  81             diff = ud;
  82             comp = 4;
  83         }
  84         let vd = u32::from(max.v) - u32::from(min.v);
  85         if vd > diff {
  86             comp = 5;
  87         }
  88         comp
  89     }
  90 }
  91
  92 #[derive(Default)]
  93 struct YUVCodeSum {
  94     ysum:   [u64; 4],
  95     usum:   u64,
  96     vsum:   u64,
  97     count:  u64,
  98 }
  99
 100 impl VQElementSum<YUVCode> for YUVCodeSum {
 101     fn zero() -> Self { Self::default() }
 102     fn add(&mut self, rval: YUVCode, count: u64) {
 103         for i in 0..4 {
 104             self.ysum[i] += u64::from(rval.y[i]) * count;
 105         }
 106         self.usum += u64::from(rval.u) * count;
 107         self.vsum += u64::from(rval.v) * count;
 108         self.count += count;
 109     }
 110     fn get_centroid(&self) -> YUVCode {
 111         if self.count != 0 {
 112             let mut ycode = YUVCode::default();
 113             for i in 0..4 {
 114                 ycode.y[i] = ((self.ysum[i] + self.count / 2) / self.count) as u8;
 115             }
 116             ycode.u = ((self.usum + self.count / 2) / self.count) as u8;
 117             ycode.v = ((self.vsum + self.count / 2) / self.count) as u8;
 118             ycode
 119         } else {
 120             YUVCode::default()
 121         }
 122     }
 123 }
 124
 125 struct RNG {
 126     seed: u32,
 127 }
 128
 129 impl RNG {
 130     fn new() -> Self { Self { seed: 0x12345678 } }
 131     fn next(&mut self) -> u8 {
 132         let mut x = self.seed;
 133         x ^= x.wrapping_shl(13);
 134         x ^= x >> 17;
 135         self.seed = x;
 136         (self.seed >> 24) as u8
 137     }
 138     fn fill_entry(&mut self, entry: &mut YUVCode) {
 139         for y in entry.y.iter_mut() {
 140             *y = self.next();
 141         }
 142         entry.u = self.next();
 143         entry.v = self.next();
 144     }
 145 }
 146
 147 const GRAY_FORMAT: NAPixelFormaton = NAPixelFormaton {
 148         model: ColorModel::YUV(YUVSubmodel::YUVJ),
 149         components: 1,
 150         comp_info: [Some(NAPixelChromaton{h_ss: 0, v_ss: 0, packed: false, depth: 8, shift: 0, comp_offs: 0, next_elem: 1}), None, None, None, None],
 151         elem_size: 1,
 152         be: true,
 153         alpha: false,
 154         palette: false,
 155     };
 156
 157 struct MaskWriter {
 158     masks:  Vec<u32>,
 159     mask:   u32,
 160     pos:    u8,
 161 }
 162
 163 impl MaskWriter {
 164     fn new() -> Self {
 165         Self {
 166             masks:  Vec::new(),
 167             mask:   0,
 168             pos:    0,
 169         }
 170     }
 171     fn reset(&mut self) {
 172         self.masks.clear();
 173         self.mask = 0;
 174         self.pos = 0;
 175     }
 176     fn put_v1(&mut self) {
 177         self.mask <<= 1;
 178         self.pos += 1;
 179         if self.pos == 32 {
 180             self.flush();
 181         }
 182     }
 183     fn put_v4(&mut self) {
 184         self.mask <<= 1;
 185         self.mask  |= 1;
 186         self.pos += 1;
 187         if self.pos == 32 {
 188             self.flush();
 189         }
 190     }
 191     fn put_inter(&mut self, skip: bool) {
 192         self.mask <<= 1;
 193         self.mask  |= !skip as u32;
 194         self.pos += 1;
 195         if self.pos == 32 {
 196             self.flush();
 197         }
 198     }
 199     fn flush(&mut self) {
 200         self.masks.push(self.mask);
 201         self.mask = 0;
 202         self.pos = 0;
 203     }
 204     fn end(&mut self) {
 205         if self.pos == 0 { return; }
 206         while self.pos < 32 {
 207             self.mask <<= 1;
 208             self.pos += 1;
 209         }
 210         self.flush();
 211     }
 212 }
 213
 214 #[derive(Clone,Copy,PartialEq)]
 215 enum QuantMode {
 216     ELBG,
 217     Hybrid,
 218     MedianCut,
 219 }
 220
 221 impl std::string::ToString for QuantMode {
 222     fn to_string(&self) -> String {
 223         match *self {
 224             QuantMode::ELBG => "elbg".to_string(),
 225             QuantMode::Hybrid => "hybrid".to_string(),
 226             QuantMode::MedianCut => "mediancut".to_string(),
 227         }
 228     }
 229 }
 230
 231 struct CinepakEncoder {
 232     stream:     Option<NAStreamRef>,
 233     lastfrm:    Option<NAVideoBufferRef<u8>>,
 234     pkt:        Option<NAPacket>,
 235     frmcount:   u8,
 236     key_int:    u8,
 237     qmode:      QuantMode,
 238     quality:    u8,
 239     nstrips:    usize,
 240     cur_strip:  usize,
 241     v1_entries: Vec<YUVCode>,
 242     v4_entries: Vec<YUVCode>,
 243     v1_cb:      Vec<[YUVCode; 256]>,
 244     v4_cb:      Vec<[YUVCode; 256]>,
 245     v1_cur_cb:  Vec<[YUVCode; 256]>,
 246     v4_cur_cb:  Vec<[YUVCode; 256]>,
 247     v1_len:     usize,
 248     v4_len:     usize,
 249     v1_idx:     Vec<u8>,
 250     v4_idx:     Vec<u8>,
 251     grayscale:  bool,
 252     rng:        RNG,
 253     masks:      MaskWriter,
 254     skip_dist:  Vec<u32>,
 255 }
 256
 257 fn avg4(a: u8, b: u8, c: u8, d: u8) -> u8 {
 258     ((u16::from(a) + u16::from(b) + u16::from(c) + u16::from(d) + 3) >> 2) as u8
 259 }
 260
 261 fn patch_size(bw: &mut ByteWriter, pos: u64) -> EncoderResult<()> {
 262     let size = bw.tell() - pos;
 263     bw.seek(SeekFrom::Current(-((size + 3) as i64)))?;
 264     bw.write_u24be((size + 4) as u32)?;
 265     bw.seek(SeekFrom::End(0))?;
 266     Ok(())
 267 }
 268
 269 impl CinepakEncoder {
 270     fn new() -> Self {
 271         Self {
 272             stream:     None,
 273             pkt:        None,
 274             lastfrm:    None,
 275             frmcount:   0,
 276             qmode:      QuantMode::MedianCut,
 277             key_int:    25,
 278             quality:    0,
 279             nstrips:    2,
 280             cur_strip:  0,
 281             v1_entries: Vec::new(),
 282             v4_entries: Vec::new(),
 283             v1_cb:      Vec::with_capacity(2),
 284             v4_cb:      Vec::with_capacity(2),
 285             v1_cur_cb:  Vec::with_capacity(2),
 286             v4_cur_cb:  Vec::with_capacity(2),
 287             v1_len:     0,
 288             v4_len:     0,
 289             grayscale:  false,
 290             rng:        RNG::new(),
 291             v1_idx:     Vec::new(),
 292             v4_idx:     Vec::new(),
 293             masks:      MaskWriter::new(),
 294             skip_dist:  Vec::new(),
 295         }
 296     }
 297     fn read_strip(&mut self, in_frm: &NAVideoBuffer<u8>, start: usize, end: usize) {
 298         let ystride  = in_frm.get_stride(0);
 299         let mut yoff = in_frm.get_offset(0) + start * ystride;
 300         let ustride  = in_frm.get_stride(1);
 301         let mut uoff = in_frm.get_offset(1) + start / 2 * ustride;
 302         let vstride  = in_frm.get_stride(2);
 303         let mut voff = in_frm.get_offset(2) + start / 2 * vstride;
 304         let (width, _) = in_frm.get_dimensions(0);
 305         let data = in_frm.get_data();
 306         self.v1_entries.clear();
 307         self.v4_entries.clear();
 308         for _ in (start..end).step_by(4) {
 309             for x in (0..width).step_by(4) {
 310                 let mut yblk = [0; 16];
 311                 let mut ublk = [128; 4];
 312                 let mut vblk = [128; 4];
 313                 for j in 0..4 {
 314                     for i in 0..4 {
 315                         yblk[i + j * 4] = data[yoff + x + i + j * ystride];
 316                     }
 317                 }
 318                 if !self.grayscale {
 319                     for j in 0..2 {
 320                         for i in 0..2 {
 321                             ublk[i + j * 2] = data[uoff + x / 2 + i + j * ustride];
 322                             vblk[i + j * 2] = data[voff + x / 2 + i + j * vstride];
 323                         }
 324                     }
 325                 }
 326                 self.v1_entries.push(YUVCode {
 327                         y: [avg4(yblk[ 0], yblk[ 1], yblk[ 4], yblk[ 5]),
 328                             avg4(yblk[ 2], yblk[ 3], yblk[ 6], yblk[ 7]),
 329                             avg4(yblk[ 8], yblk[ 9], yblk[12], yblk[13]),
 330                             avg4(yblk[10], yblk[11], yblk[14], yblk[15])],
 331                         u: avg4(ublk[0], ublk[1], ublk[2], ublk[3]),
 332                         v: avg4(vblk[0], vblk[1], vblk[2], vblk[3]),
 333                     });
 334                 for i in 0..4 {
 335                     let yidx = (i & 1) * 2 + (i & 2) * 4;
 336                     self.v4_entries.push(YUVCode {
 337                             y: [ yblk[yidx], yblk[yidx + 1], yblk[yidx + 4], yblk[yidx + 5] ],
 338                             u: ublk[i],
 339                             v: vblk[i],
 340                         });
 341                 }
 342             }
 343             yoff += ystride * 4;
 344             uoff += ustride * 2;
 345             voff += vstride * 2;
 346         }
 347     }
 348     fn find_nearest(codebook: &[YUVCode], code: YUVCode) -> (u8, u32) {
 349         let mut min_dist = std::u32::MAX;
 350         let mut idx = 0;
 351         for (i, cw) in codebook.iter().enumerate() {
 352             let dist = cw.dist(code);
 353             if dist < min_dist {
 354                 min_dist = dist;
 355                 idx = i;
 356                 if dist == 0 {
 357                     break;
 358                 }
 359             }
 360         }
 361         (idx as u8, min_dist)
 362     }
 363     fn can_update_cb(new_cb: &[YUVCode; 256], old_cb: &[YUVCode; 256], cb_size: usize) -> bool {
 364         let mut skip_count = 0;
 365         for (new, old) in new_cb.iter().zip(old_cb.iter()) {
 366             if new == old {
 367                 skip_count += 1;
 368             }
 369         }
 370         let full_size = cb_size * 256;
 371         let upd_size = cb_size * (256 - skip_count) + 64;
 372         upd_size < full_size
 373     }
 374     fn write_cb(bw: &mut ByteWriter, mut id: u8, new_cb: &[YUVCode; 256], old_cb: &[YUVCode; 256], grayscale: bool, update: bool) -> EncoderResult<()> {
 375         if grayscale {
 376             id |= 4;
 377         }
 378         if update {
 379             id |= 1;
 380         }
 381         bw.write_byte(id)?;
 382         bw.write_u24be(0)?;
 383         let chunk_pos = bw.tell();
 384         if !update {
 385             for entry in new_cb.iter() {
 386                 bw.write_buf(&entry.y)?;
 387                 if !grayscale {
 388                     bw.write_byte(entry.u ^ 0x80)?;
 389                     bw.write_byte(entry.v ^ 0x80)?;
 390                 }
 391             }
 392         } else {
 393             let mut end = 256;
 394             for (i, (ncw, ocw)) in new_cb.iter().rev().zip(old_cb.iter().rev()).enumerate() {
 395                 if ncw == ocw {
 396                     end = i;
 397                 } else {
 398                     break;
 399                 }
 400             }
 401             for i in (0..end).step_by(32) {
 402                 let mut mask = 0;
 403                 for j in 0..32 {
 404                     mask <<= 1;
 405                     if new_cb[i + j] != old_cb[i + j] {
 406                         mask |= 1;
 407                     }
 408                 }
 409                 bw.write_u32be(mask)?;
 410                 for j in 0..32 {
 411                     if new_cb[i + j] == old_cb[i + j] { continue; }
 412                     bw.write_buf(&new_cb[i + j].y)?;
 413                     if !grayscale {
 414                         bw.write_byte(new_cb[i + j].u ^ 0x80)?;
 415                         bw.write_byte(new_cb[i + j].v ^ 0x80)?;
 416                     }
 417                 }
 418             }
 419         }
 420         patch_size(bw, chunk_pos)?;
 421         Ok(())
 422     }
 423     fn render_stripe(&mut self, intra: bool, start: usize, end: usize) {
 424         if let Some(ref mut dst_frm) = self.lastfrm {
 425             let ystride  = dst_frm.get_stride(0);
 426             let mut yoff = dst_frm.get_offset(0) + start * ystride;
 427             let ustride  = dst_frm.get_stride(1);
 428             let mut uoff = dst_frm.get_offset(1) + start / 2 * ustride;
 429             let vstride  = dst_frm.get_stride(2);
 430             let mut voff = dst_frm.get_offset(2) + start / 2 * vstride;
 431             let (width, _) = dst_frm.get_dimensions(0);
 432             let data = dst_frm.get_data_mut().unwrap();
 433             let mut miter = self.masks.masks.iter();
 434             let mut v1_iter = self.v1_idx.iter();
 435             let mut v4_iter = self.v4_idx.iter();
 436             let mut cur_mask = 0;
 437             let mut cur_bit = 0;
 438             for _ in (start..end).step_by(4) {
 439                 for x in (0..width).step_by(4) {
 440                     if cur_bit == 0 {
 441                         if !intra || !self.v1_idx.is_empty() {
 442                             cur_mask = *miter.next().unwrap();
 443                         } else {
 444                             cur_mask = 0xFFFFFFFF;
 445                         }
 446                         cur_bit = 1 << 31;
 447                     }
 448                     if !intra {
 449                         if (cur_mask & cur_bit) == 0 {
 450                             cur_bit >>= 1;
 451                             continue;
 452                         }
 453                         cur_bit >>= 1;
 454                         if cur_bit == 0 {
 455                             cur_mask = *miter.next().unwrap();
 456                             cur_bit = 1 << 31;
 457                         }
 458                     }
 459                     if (cur_mask & cur_bit) == 0 {
 460                         let idx = *v1_iter.next().unwrap() as usize;
 461                         let cb = &self.v1_cur_cb[self.cur_strip][idx];
 462
 463                         let mut coff = yoff + x;
 464                         data[coff]     = cb.y[0]; data[coff + 1] = cb.y[0];
 465                         data[coff + 2] = cb.y[1]; data[coff + 3] = cb.y[1];
 466                         coff += ystride;
 467                         data[coff]     = cb.y[0]; data[coff + 1] = cb.y[0];
 468                         data[coff + 2] = cb.y[1]; data[coff + 3] = cb.y[1];
 469                         coff += ystride;
 470                         data[coff]     = cb.y[2]; data[coff + 1] = cb.y[2];
 471                         data[coff + 2] = cb.y[3]; data[coff + 3] = cb.y[3];
 472                         coff += ystride;
 473                         data[coff]     = cb.y[2]; data[coff + 1] = cb.y[2];
 474                         data[coff + 2] = cb.y[3]; data[coff + 3] = cb.y[3];
 475
 476                         if !self.grayscale {
 477                             let mut coff = uoff + x / 2;
 478                             data[coff] = cb.u; data[coff + 1] = cb.u;
 479                             coff += ustride;
 480                             data[coff] = cb.u; data[coff + 1] = cb.u;
 481
 482                             let mut coff = voff + x / 2;
 483                             data[coff] = cb.v; data[coff + 1] = cb.v;
 484                             coff += vstride;
 485                             data[coff] = cb.v; data[coff + 1] = cb.v;
 486                         }
 487                     } else {
 488                         let idx0 = *v4_iter.next().unwrap() as usize;
 489                         let cb0 = &self.v4_cur_cb[self.cur_strip][idx0];
 490                         let idx1 = *v4_iter.next().unwrap() as usize;
 491                         let cb1 = &self.v4_cur_cb[self.cur_strip][idx1];
 492                         let idx2 = *v4_iter.next().unwrap() as usize;
 493                         let cb2 = &self.v4_cur_cb[self.cur_strip][idx2];
 494                         let idx3 = *v4_iter.next().unwrap() as usize;
 495                         let cb3 = &self.v4_cur_cb[self.cur_strip][idx3];
 496
 497                         let mut coff = yoff + x;
 498                         data[coff]     = cb0.y[0]; data[coff + 1] = cb0.y[1];
 499                         data[coff + 2] = cb1.y[0]; data[coff + 3] = cb1.y[1];
 500                         coff += ystride;
 501                         data[coff]     = cb0.y[2]; data[coff + 1] = cb0.y[3];
 502                         data[coff + 2] = cb1.y[2]; data[coff + 3] = cb1.y[3];
 503                         coff += ystride;
 504                         data[coff]     = cb2.y[0]; data[coff + 1] = cb2.y[1];
 505                         data[coff + 2] = cb3.y[0]; data[coff + 3] = cb3.y[1];
 506                         coff += ystride;
 507                         data[coff]     = cb2.y[2]; data[coff + 1] = cb2.y[3];
 508                         data[coff + 2] = cb3.y[2]; data[coff + 3] = cb3.y[3];
 509
 510                         if !self.grayscale {
 511                             let mut coff = uoff + x / 2;
 512                             data[coff] = cb0.u; data[coff + 1] = cb1.u;
 513                             coff += ustride;
 514                             data[coff] = cb2.u; data[coff + 1] = cb3.u;
 515
 516                             let mut coff = voff + x / 2;
 517                             data[coff] = cb0.v; data[coff + 1] = cb1.v;
 518                             coff += vstride;
 519                             data[coff] = cb2.v; data[coff + 1] = cb3.v;
 520                         }
 521                     }
 522                     cur_bit >>= 1;
 523                 }
 524                 yoff += ystride * 4;
 525                 uoff += ustride * 2;
 526                 voff += vstride * 2;
 527             }
 528         } else {
 529             unreachable!();
 530         }
 531     }
 532     fn calc_skip_dist(&mut self, in_frm: &NAVideoBuffer<u8>, start: usize, end: usize) {
 533         self.skip_dist.clear();
 534         if let Some(ref ref_frm) = self.lastfrm {
 535             let rystride  = ref_frm.get_stride(0);
 536             let mut ryoff = ref_frm.get_offset(0) + start * rystride;
 537             let rustride  = ref_frm.get_stride(1);
 538             let mut ruoff = ref_frm.get_offset(1) + start / 2 * rustride;
 539             let rvstride  = ref_frm.get_stride(2);
 540             let mut rvoff = ref_frm.get_offset(2) + start / 2 * rvstride;
 541             let (width, _) = ref_frm.get_dimensions(0);
 542             let rdata = ref_frm.get_data();
 543
 544             let iystride  = in_frm.get_stride(0);
 545             let mut iyoff = in_frm.get_offset(0) + start * iystride;
 546             let iustride  = in_frm.get_stride(1);
 547             let mut iuoff = in_frm.get_offset(1) + start / 2 * iustride;
 548             let ivstride  = in_frm.get_stride(2);
 549             let mut ivoff = in_frm.get_offset(2) + start / 2 * ivstride;
 550             let idata = in_frm.get_data();
 551
 552             for _ in (start..end).step_by(4) {
 553                 for x in (0..width).step_by(4) {
 554                     let mut dist = 0;
 555                     let mut roff = ryoff + x;
 556                     let mut ioff = iyoff + x;
 557                     for _ in 0..4 {
 558                         for i in 0..4 {
 559                             let d = i32::from(rdata[roff + i]) - i32::from(idata[ioff + i]);
 560                             dist += d * d;
 561                         }
 562                         roff += rystride;
 563                         ioff += iystride;
 564                     }
 565                     if !self.grayscale {
 566                         let mut roff = ruoff + x / 2;
 567                         let mut ioff = iuoff + x / 2;
 568                         let ud = i32::from(rdata[roff]) - i32::from(idata[ioff]);
 569                         dist += ud * ud;
 570                         let ud = i32::from(rdata[roff + 1]) - i32::from(idata[ioff + 1]);
 571                         dist += ud * ud;
 572                         roff += rustride; ioff += iustride;
 573                         let ud = i32::from(rdata[roff]) - i32::from(idata[ioff]);
 574                         dist += ud * ud;
 575                         let ud = i32::from(rdata[roff + 1]) - i32::from(idata[ioff + 1]);
 576                         dist += ud * ud;
 577
 578                         let mut roff = rvoff + x / 2;
 579                         let mut ioff = ivoff + x / 2;
 580                         let vd = i32::from(rdata[roff]) - i32::from(idata[ioff]);
 581                         dist += vd * vd;
 582                         let vd = i32::from(rdata[roff + 1]) - i32::from(idata[ioff + 1]);
 583                         dist += vd * vd;
 584                         roff += rvstride; ioff += ivstride;
 585                         let vd = i32::from(rdata[roff]) - i32::from(idata[ioff]);
 586                         dist += vd * vd;
 587                         let vd = i32::from(rdata[roff + 1]) - i32::from(idata[ioff + 1]);
 588                         dist += vd * vd;
 589                     }
 590                     self.skip_dist.push(dist as u32);
 591                 }
 592
 593                 iyoff += iystride * 4;
 594                 iuoff += iustride * 2;
 595                 ivoff += ivstride * 2;
 596                 ryoff += rystride * 4;
 597                 ruoff += rustride * 2;
 598                 rvoff += rvstride * 2;
 599             }
 600         } else {
 601             unreachable!();
 602         }
 603     }
 604     fn quant_vectors(&mut self) {
 605         match self.qmode {
 606             QuantMode::ELBG => {
 607                 let mut elbg_v1: ELBG<YUVCode, YUVCodeSum> = ELBG::new(&self.v1_cb[self.cur_strip]);
 608                 let mut elbg_v4: ELBG<YUVCode, YUVCodeSum> = ELBG::new(&self.v4_cb[self.cur_strip]);
 609
 610                 for entry in self.v1_cb[self.cur_strip].iter_mut().skip(self.v1_len) {
 611                     self.rng.fill_entry(entry);
 612                 }
 613                 for entry in self.v4_cb[self.cur_strip].iter_mut().skip(self.v4_len) {
 614                     self.rng.fill_entry(entry);
 615                 }
 616
 617                 self.v1_len = elbg_v1.quantise(&self.v1_entries, &mut self.v1_cur_cb[self.cur_strip]);
 618                 self.v4_len = elbg_v4.quantise(&self.v4_entries, &mut self.v4_cur_cb[self.cur_strip]);
 619             },
 620             QuantMode::Hybrid => {
 621                 quantise_median_cut::<YUVCode, YUVCodeSum>(&self.v1_entries, &mut self.v1_cur_cb[self.cur_strip]);
 622                 quantise_median_cut::<YUVCode, YUVCodeSum>(&self.v4_entries, &mut self.v4_cur_cb[self.cur_strip]);
 623                 let mut elbg_v1: ELBG<YUVCode, YUVCodeSum> = ELBG::new(&self.v1_cur_cb[self.cur_strip]);
 624                 let mut elbg_v4: ELBG<YUVCode, YUVCodeSum> = ELBG::new(&self.v4_cur_cb[self.cur_strip]);
 625                 self.v1_len = elbg_v1.quantise(&self.v1_entries, &mut self.v1_cur_cb[self.cur_strip]);
 626                 self.v4_len = elbg_v4.quantise(&self.v4_entries, &mut self.v4_cur_cb[self.cur_strip]);
 627             },
 628             QuantMode::MedianCut => {
 629                 self.v1_len = quantise_median_cut::<YUVCode, YUVCodeSum>(&self.v1_entries, &mut self.v1_cur_cb[self.cur_strip]);
 630                 self.v4_len = quantise_median_cut::<YUVCode, YUVCodeSum>(&self.v4_entries, &mut self.v4_cur_cb[self.cur_strip]);
 631             },
 632         };
 633
 634         for e in self.v1_cur_cb[self.cur_strip].iter_mut().skip(self.v1_len) { *e = YUVCode::default(); }
 635         for e in self.v4_cur_cb[self.cur_strip].iter_mut().skip(self.v4_len) { *e = YUVCode::default(); }
 636     }
 637     fn encode_intra(&mut self, bw: &mut ByteWriter, in_frm: &NAVideoBuffer<u8>) -> EncoderResult<bool> {
 638         let (width, height) = in_frm.get_dimensions(0);
 639         let mut strip_h = (height / self.nstrips + 3) & !3;
 640         if strip_h == 0 {
 641             self.nstrips = 1;
 642             strip_h = height;
 643         }
 644         let mut start_line = 0;
 645         let mut end_line = strip_h;
 646
 647         bw.write_byte(0)?; // intra flag
 648         bw.write_u24be(0)?; // frame size
 649         let frame_data_pos = bw.tell();
 650         bw.write_u16be(width as u16)?;
 651         bw.write_u16be(height as u16)?;
 652         bw.write_u16be(self.nstrips as u16)?;
 653
 654         self.cur_strip = 0;
 655         for entry in self.v1_cb[self.cur_strip].iter_mut() {
 656             self.rng.fill_entry(entry);
 657         }
 658         for entry in self.v4_cb[self.cur_strip].iter_mut() {
 659             self.rng.fill_entry(entry);
 660         }
 661         while start_line < height {
 662             self.read_strip(in_frm, start_line, end_line);
 663
 664             if self.cur_strip > 0 {
 665                 self.v1_cb[self.cur_strip] = self.v1_cb[self.cur_strip - 1];
 666                 self.v4_cb[self.cur_strip] = self.v4_cb[self.cur_strip - 1];
 667             }
 668             self.quant_vectors();
 669             if self.grayscale {
 670                 for cw in self.v1_cur_cb[self.cur_strip].iter_mut() {
 671                     cw.u = 128;
 672                     cw.v = 128;
 673                 }
 674                 for cw in self.v4_cur_cb[self.cur_strip].iter_mut() {
 675                     cw.u = 128;
 676                     cw.v = 128;
 677                 }
 678             }
 679
 680             self.v1_idx.clear();
 681             self.v4_idx.clear();
 682             self.masks.reset();
 683
 684             for (v1_entry, v4_entries) in self.v1_entries.iter().zip(self.v4_entries.chunks(4)) {
 685                 let (v1_idx, v1_dist) = Self::find_nearest(&self.v1_cur_cb[self.cur_strip][..self.v1_len], *v1_entry);
 686                 if v1_dist == 0 {
 687                     self.masks.put_v1();
 688                     self.v1_idx.push(v1_idx);
 689                     continue;
 690                 }
 691                 let (v40_idx, v40_dist) = Self::find_nearest(&self.v4_cur_cb[self.cur_strip][..self.v4_len], v4_entries[0]);
 692                 let (v41_idx, v41_dist) = Self::find_nearest(&self.v4_cur_cb[self.cur_strip][..self.v4_len], v4_entries[1]);
 693                 let (v42_idx, v42_dist) = Self::find_nearest(&self.v4_cur_cb[self.cur_strip][..self.v4_len], v4_entries[2]);
 694                 let (v43_idx, v43_dist) = Self::find_nearest(&self.v4_cur_cb[self.cur_strip][..self.v4_len], v4_entries[3]);
 695                 if v40_dist + v41_dist + v42_dist + v43_dist > v1_dist {
 696                     self.masks.put_v4();
 697                     self.v4_idx.push(v40_idx);
 698                     self.v4_idx.push(v41_idx);
 699                     self.v4_idx.push(v42_idx);
 700                     self.v4_idx.push(v43_idx);
 701                 } else {
 702                     self.masks.put_v1();
 703                     self.v1_idx.push(v1_idx);
 704                 }
 705             }
 706             self.masks.end();
 707
 708             let mut is_intra_strip = start_line == 0;
 709             let (upd_v1, upd_v4) = if !is_intra_strip {
 710                     let cb_size = if self.grayscale { 4 } else { 6 };
 711                     (Self::can_update_cb(&self.v1_cur_cb[self.cur_strip], &self.v1_cb[self.cur_strip], cb_size),
 712                      Self::can_update_cb(&self.v4_cur_cb[self.cur_strip], &self.v4_cb[self.cur_strip], cb_size))
 713                 } else {
 714                     (false, false)
 715                 };
 716             if !is_intra_strip && !upd_v1 && !upd_v4 {
 717                 is_intra_strip = true;
 718             }
 719             bw.write_byte(if is_intra_strip { 0x10 } else { 0x11 })?;
 720             bw.write_u24be(0)?; // strip size
 721             let strip_data_pos = bw.tell();
 722             bw.write_u16be(0)?; // yoff
 723             bw.write_u16be(0)?; // xoff
 724             bw.write_u16be((end_line - start_line) as u16)?;
 725             bw.write_u16be(width as u16)?;
 726
 727             Self::write_cb(bw, 0x20, &self.v4_cur_cb[self.cur_strip], &self.v4_cb[self.cur_strip], self.grayscale, upd_v4)?;
 728             Self::write_cb(bw, 0x22, &self.v1_cur_cb[self.cur_strip], &self.v1_cb[self.cur_strip], self.grayscale, upd_v1)?;
 729
 730             self.render_stripe(true, start_line, end_line);
 731
 732             if self.v4_idx.is_empty() {
 733                 bw.write_byte(0x32)?;
 734                 bw.write_u24be((self.v1_idx.len() + 4) as u32)?;
 735                 bw.write_buf(self.v1_idx.as_slice())?;
 736             } else {
 737                 bw.write_byte(0x30)?;
 738                 bw.write_u24be(0)?;
 739                 let chunk_pos = bw.tell();
 740                 let mut v1_pos = 0;
 741                 let mut v4_pos = 0;
 742                 for _ in 0..32 {
 743                     self.v1_idx.push(0);
 744                     self.v4_idx.push(0);
 745                     self.v4_idx.push(0);
 746                     self.v4_idx.push(0);
 747                     self.v4_idx.push(0);
 748                 }
 749                 for mask in self.masks.masks.iter() {
 750                     bw.write_u32be(*mask)?;
 751                     for j in (0..32).rev() {
 752                         if (mask & (1 << j)) == 0 {
 753                             bw.write_byte(self.v1_idx[v1_pos])?;
 754                             v1_pos += 1;
 755                         } else {
 756                             bw.write_byte(self.v4_idx[v4_pos])?;
 757                             bw.write_byte(self.v4_idx[v4_pos + 1])?;
 758                             bw.write_byte(self.v4_idx[v4_pos + 2])?;
 759                             bw.write_byte(self.v4_idx[v4_pos + 3])?;
 760                             v4_pos += 4;
 761                         }
 762                     }
 763                 }
 764                 patch_size(bw, chunk_pos)?;
 765             }
 766
 767             patch_size(bw, strip_data_pos)?;
 768
 769             self.v1_cb[self.cur_strip].copy_from_slice(&self.v1_cur_cb[self.cur_strip]);
 770             self.v4_cb[self.cur_strip].copy_from_slice(&self.v4_cur_cb[self.cur_strip]);
 771             start_line = end_line;
 772             end_line = (end_line + strip_h).min(height);
 773
 774             self.cur_strip += 1;
 775         }
 776         patch_size(bw, frame_data_pos)?;
 777         Ok(true)
 778     }
 779     fn encode_inter(&mut self, bw: &mut ByteWriter, in_frm: &NAVideoBuffer<u8>) -> EncoderResult<bool> {
 780         let (width, height) = in_frm.get_dimensions(0);
 781         let mut strip_h = (height / self.nstrips + 3) & !3;
 782         if strip_h == 0 {
 783             self.nstrips = 1;
 784             strip_h = height;
 785         }
 786         let mut start_line = 0;
 787         let mut end_line = strip_h;
 788
 789         bw.write_byte(1)?; // intra flag
 790         bw.write_u24be(0)?; // frame size
 791         let frame_data_pos = bw.tell();
 792         bw.write_u16be(width as u16)?;
 793         bw.write_u16be(height as u16)?;
 794         bw.write_u16be(self.nstrips as u16)?;
 795
 796         self.cur_strip = 0;
 797         while start_line < height {
 798             self.read_strip(in_frm, start_line, end_line);
 799             self.calc_skip_dist(in_frm, start_line, end_line);
 800
 801             self.quant_vectors();
 802             if self.grayscale {
 803                 for cw in self.v1_cur_cb[self.cur_strip].iter_mut() {
 804                     cw.u = 128;
 805                     cw.v = 128;
 806                 }
 807                 for cw in self.v4_cur_cb[self.cur_strip].iter_mut() {
 808                     cw.u = 128;
 809                     cw.v = 128;
 810                 }
 811             }
 812
 813             self.v1_idx.clear();
 814             self.v4_idx.clear();
 815             self.masks.reset();
 816
 817             let mut skip_iter = self.skip_dist.iter();
 818             for (v1_entry, v4_entries) in self.v1_entries.iter().zip(self.v4_entries.chunks(4)) {
 819                 let skip_dist = *skip_iter.next().unwrap();
 820                 if skip_dist == 0 {
 821                     self.masks.put_inter(true);
 822                     continue;
 823                 }
 824                 let (v1_idx, v1_dist) = Self::find_nearest(&self.v1_cur_cb[self.cur_strip][..self.v1_len], *v1_entry);
 825                 if skip_dist < v1_dist {
 826                     self.masks.put_inter(true);
 827                     continue;
 828                 } else {
 829                     self.masks.put_inter(false);
 830                 }
 831                 if v1_dist == 0 {
 832                     self.masks.put_v1();
 833                     self.v1_idx.push(v1_idx);
 834                     continue;
 835                 }
 836                 let (v40_idx, v40_dist) = Self::find_nearest(&self.v4_cur_cb[self.cur_strip][..self.v4_len], v4_entries[0]);
 837                 let (v41_idx, v41_dist) = Self::find_nearest(&self.v4_cur_cb[self.cur_strip][..self.v4_len], v4_entries[1]);
 838                 let (v42_idx, v42_dist) = Self::find_nearest(&self.v4_cur_cb[self.cur_strip][..self.v4_len], v4_entries[2]);
 839                 let (v43_idx, v43_dist) = Self::find_nearest(&self.v4_cur_cb[self.cur_strip][..self.v4_len], v4_entries[3]);
 840                 if v40_dist + v41_dist + v42_dist + v43_dist > v1_dist {
 841                     self.masks.put_v4();
 842                     self.v4_idx.push(v40_idx);
 843                     self.v4_idx.push(v41_idx);
 844                     self.v4_idx.push(v42_idx);
 845                     self.v4_idx.push(v43_idx);
 846                 } else {
 847                     self.masks.put_v1();
 848                     self.v1_idx.push(v1_idx);
 849                 }
 850             }
 851             self.masks.end();
 852
 853             let (upd_v1, upd_v4) = {
 854                     let cb_size = if self.grayscale { 4 } else { 6 };
 855                     (Self::can_update_cb(&self.v1_cur_cb[self.cur_strip], &self.v1_cb[self.cur_strip], cb_size),
 856                      Self::can_update_cb(&self.v4_cur_cb[self.cur_strip], &self.v4_cb[self.cur_strip], cb_size))
 857                 };
 858             bw.write_byte(0x11)?;
 859             bw.write_u24be(0)?; // strip size
 860             let strip_data_pos = bw.tell();
 861             bw.write_u16be(0)?; // yoff
 862             bw.write_u16be(0)?; // xoff
 863             bw.write_u16be((end_line - start_line) as u16)?;
 864             bw.write_u16be(width as u16)?;
 865
 866             Self::write_cb(bw, 0x20, &self.v4_cur_cb[self.cur_strip], &self.v4_cb[self.cur_strip], self.grayscale, upd_v4)?;
 867             Self::write_cb(bw, 0x22, &self.v1_cur_cb[self.cur_strip], &self.v1_cb[self.cur_strip], self.grayscale, upd_v1)?;
 868
 869             self.render_stripe(false, start_line, end_line);
 870
 871             bw.write_byte(0x31)?;
 872             bw.write_u24be(0)?;
 873             let chunk_pos = bw.tell();
 874             let mut v1_pos = 0;
 875             let mut v4_pos = 0;
 876             for _ in 0..32 {
 877                 self.v1_idx.push(0);
 878                 self.v4_idx.push(0);
 879                 self.v4_idx.push(0);
 880                 self.v4_idx.push(0);
 881                 self.v4_idx.push(0);
 882             }
 883             let mut skip = true;
 884             for mask in self.masks.masks.iter() {
 885                 bw.write_u32be(*mask)?;
 886                 if *mask == 0 { continue; }
 887                 let mut bit = 1 << 31;
 888                 while bit > 0 {
 889                     if skip {
 890                         skip = (mask & bit) == 0;
 891                         bit >>= 1;
 892                     } else {
 893                         if (mask & bit) == 0 {
 894                             bw.write_byte(self.v1_idx[v1_pos])?;
 895                             v1_pos += 1;
 896                         } else {
 897                             bw.write_byte(self.v4_idx[v4_pos])?;
 898                             bw.write_byte(self.v4_idx[v4_pos + 1])?;
 899                             bw.write_byte(self.v4_idx[v4_pos + 2])?;
 900                             bw.write_byte(self.v4_idx[v4_pos + 3])?;
 901                             v4_pos += 4;
 902                         }
 903                         bit >>= 1;
 904                         skip = true;
 905                     }
 906                 }
 907             }
 908             patch_size(bw, chunk_pos)?;
 909
 910             patch_size(bw, strip_data_pos)?;
 911
 912             self.v1_cb[self.cur_strip].copy_from_slice(&self.v1_cur_cb[self.cur_strip]);
 913             self.v4_cb[self.cur_strip].copy_from_slice(&self.v4_cur_cb[self.cur_strip]);
 914             start_line = end_line;
 915             end_line = (end_line + strip_h).min(height);
 916
 917             self.cur_strip += 1;
 918         }
 919         patch_size(bw, frame_data_pos)?;
 920         Ok(true)
 921     }
 922 }
 923
 924 impl NAEncoder for CinepakEncoder {
 925     fn negotiate_format(&self, encinfo: &EncodeParameters) -> EncoderResult<EncodeParameters> {
 926         match encinfo.format {
 927             NACodecTypeInfo::None => {
 928                 Ok(EncodeParameters {
 929                         format: NACodecTypeInfo::Video(NAVideoInfo::new(0, 0, true, YUV420_FORMAT)),
 930                         ..Default::default()
 931                     })
 932             },
 933             NACodecTypeInfo::Audio(_) => Err(EncoderError::FormatError),
 934             NACodecTypeInfo::Video(vinfo) => {
 935                 let pix_fmt = if vinfo.format == GRAY_FORMAT { GRAY_FORMAT } else { YUV420_FORMAT };
 936                 let outinfo = NAVideoInfo::new((vinfo.width + 3) & !3, (vinfo.height + 3) & !3, false, pix_fmt);
 937                 let mut ofmt = *encinfo;
 938                 ofmt.format = NACodecTypeInfo::Video(outinfo);
 939                 Ok(ofmt)
 940             }
 941         }
 942     }
 943     fn init(&mut self, stream_id: u32, encinfo: EncodeParameters) -> EncoderResult<NAStreamRef> {
 944         match encinfo.format {
 945             NACodecTypeInfo::None => Err(EncoderError::FormatError),
 946             NACodecTypeInfo::Audio(_) => Err(EncoderError::FormatError),
 947             NACodecTypeInfo::Video(vinfo) => {
 948                 if vinfo.format != YUV420_FORMAT && vinfo.format != GRAY_FORMAT {
 949                     return Err(EncoderError::FormatError);
 950                 }
 951                 if ((vinfo.width | vinfo.height) & 3) != 0 {
 952                     return Err(EncoderError::FormatError);
 953                 }
 954                 if (vinfo.width | vinfo.height) >= (1 << 16) {
 955                     return Err(EncoderError::FormatError);
 956                 }
 957
 958                 let out_info = NAVideoInfo::new(vinfo.width, vinfo.height, false, vinfo.format);
 959                 let info = NACodecInfo::new("cinepak", NACodecTypeInfo::Video(out_info), None);
 960                 let mut stream = NAStream::new(StreamType::Video, stream_id, info, encinfo.tb_num, encinfo.tb_den, 0);
 961                 stream.set_num(stream_id as usize);
 962                 let stream = stream.into_ref();
 963
 964                 self.stream = Some(stream.clone());
 965                 self.quality = encinfo.quality;
 966                 self.grayscale = vinfo.format != YUV420_FORMAT;
 967                 let num_blocks = vinfo.width / 2 * vinfo.height / 2;
 968                 self.v1_entries = Vec::with_capacity(num_blocks);
 969                 self.v4_entries = Vec::with_capacity(num_blocks * 4);
 970                 self.v1_idx = Vec::with_capacity(num_blocks);
 971                 self.v4_idx = Vec::with_capacity(num_blocks * 4);
 972                 self.skip_dist = Vec::with_capacity(vinfo.width / 4 * vinfo.height / 4);
 973
 974                 let buf = alloc_video_buffer(out_info, 2)?;
 975                 self.lastfrm = Some(buf.get_vbuf().unwrap());
 976
 977                 Ok(stream)
 978             },
 979         }
 980     }
 981     fn encode(&mut self, frm: &NAFrame) -> EncoderResult<()> {
 982         let buf = frm.get_buffer();
 983         if let Some(ref vbuf) = buf.get_vbuf() {
 984             let cur_strips = self.v1_cb.len();
 985             if cur_strips != self.nstrips {
 986                 self.frmcount = 0;
 987             }
 988             if cur_strips < self.nstrips {
 989                 for _ in cur_strips..self.nstrips {
 990                     self.v1_cb.push([YUVCode::default(); 256]);
 991                     self.v4_cb.push([YUVCode::default(); 256]);
 992                     self.v1_cur_cb.push([YUVCode::default(); 256]);
 993                     self.v4_cur_cb.push([YUVCode::default(); 256]);
 994                 }
 995             }
 996
 997             let mut dbuf = Vec::with_capacity(4);
 998             let mut gw   = GrowableMemoryWriter::new_write(&mut dbuf);
 999             let mut bw   = ByteWriter::new(&mut gw);
1000             let is_intra = if self.frmcount == 0 {
1001                     self.encode_intra(&mut bw, vbuf)?
1002                 } else {
1003                     self.encode_inter(&mut bw, vbuf)?
1004                 };
1005             self.pkt = Some(NAPacket::new(self.stream.clone().unwrap(), frm.ts, is_intra, dbuf));
1006             self.frmcount += 1;
1007             if self.frmcount == self.key_int {
1008                 self.frmcount = 0;
1009             }
1010             Ok(())
1011         } else {
1012             Err(EncoderError::InvalidParameters)
1013         }
1014     }
1015     fn get_packet(&mut self) -> EncoderResult<Option<NAPacket>> {
1016         let mut npkt = None;
1017         std::mem::swap(&mut self.pkt, &mut npkt);
1018         Ok(npkt)
1019     }
1020     fn flush(&mut self) -> EncoderResult<()> {
1021         self.frmcount = 0;
1022         Ok(())
1023     }
1024 }
1025
1026 const ENCODER_OPTS: &[NAOptionDefinition] = &[
1027     NAOptionDefinition {
1028         name: KEYFRAME_OPTION, description: KEYFRAME_OPTION_DESC,
1029         opt_type: NAOptionDefinitionType::Int(Some(0), Some(128)) },
1030     NAOptionDefinition {
1031         name: "nstrips", description: "Number of strips per frame (0 - automatic)",
1032         opt_type: NAOptionDefinitionType::Int(Some(0), Some(16)) },
1033     NAOptionDefinition {
1034         name: "quant_mode", description: "Quantisation mode",
1035         opt_type: NAOptionDefinitionType::String(Some(&["elbg", "hybrid", "mediancut"])) },
1036 ];
1037
1038 impl NAOptionHandler for CinepakEncoder {
1039     fn get_supported_options(&self) -> &[NAOptionDefinition] { ENCODER_OPTS }
1040     fn set_options(&mut self, options: &[NAOption]) {
1041         for option in options.iter() {
1042             for opt_def in ENCODER_OPTS.iter() {
1043                 if opt_def.check(option).is_ok() {
1044                     match option.name {
1045                         KEYFRAME_OPTION => {
1046                             if let NAValue::Int(intval) = option.value {
1047                                 self.key_int = intval as u8;
1048                             }
1049                         },
1050                         "nstrips" => {
1051                             if let NAValue::Int(intval) = option.value {
1052                                 self.nstrips = intval as usize;
1053                             }
1054                         },
1055                         "quant_mode" => {
1056                             if let NAValue::String(ref str) = option.value {
1057                                 match str.as_str() {
1058                                     "elbg"      => self.qmode = QuantMode::ELBG,
1059                                     "hybrid"    => self.qmode = QuantMode::Hybrid,
1060                                     "mediancut" => self.qmode = QuantMode::MedianCut,
1061                                     _ => {},
1062                                 };
1063                             }
1064                         },
1065                         _ => {},
1066                     };
1067                 }
1068             }
1069         }
1070     }
1071     fn query_option_value(&self, name: &str) -> Option<NAValue> {
1072         match name {
1073             KEYFRAME_OPTION => Some(NAValue::Int(i64::from(self.key_int))),
1074             "nstrips" => Some(NAValue::Int(self.nstrips as i64)),
1075             "quant_mode" => Some(NAValue::String(self.qmode.to_string())),
1076             _ => None,
1077         }
1078     }
1079 }
1080
1081 pub fn get_encoder() -> Box<dyn NAEncoder + Send> {
1082     Box::new(CinepakEncoder::new())
1083 }
1084
1085 #[cfg(test)]
1086 mod test {
1087     use nihav_core::codecs::*;
1088     use nihav_core::demuxers::*;
1089     use nihav_core::muxers::*;
1090     use crate::*;
1091     use nihav_codec_support::test::enc_video::*;
1092
1093     #[test]
1094     fn test_cinepak_encoder() {
1095         let mut dmx_reg = RegisteredDemuxers::new();
1096         generic_register_all_demuxers(&mut dmx_reg);
1097         let mut dec_reg = RegisteredDecoders::new();
1098         generic_register_all_decoders(&mut dec_reg);
1099         let mut mux_reg = RegisteredMuxers::new();
1100         generic_register_all_muxers(&mut mux_reg);
1101         let mut enc_reg = RegisteredEncoders::new();
1102         generic_register_all_encoders(&mut enc_reg);
1103
1104         // sample: https://samples.mplayerhq.hu/V-codecs/UCOD/TalkingHead_352x288.avi
1105         let dec_config = DecoderTestParams {
1106                 demuxer:        "avi",
1107                 in_name:        "assets/Misc/TalkingHead_352x288.avi",
1108                 stream_type:    StreamType::Video,
1109                 limit:          Some(2),
1110                 dmx_reg, dec_reg,
1111             };
1112         let enc_config = EncoderTestParams {
1113                 muxer:          "avi",
1114                 enc_name:       "cinepak",
1115                 out_name:       "cinepak.avi",
1116                 mux_reg, enc_reg,
1117             };
1118         let dst_vinfo = NAVideoInfo {
1119                 width:   0,
1120                 height:  0,
1121                 format:  YUV420_FORMAT,
1122                 flipped: true,
1123                 bits:    12,
1124             };
1125         let enc_params = EncodeParameters {
1126                 format:  NACodecTypeInfo::Video(dst_vinfo),
1127                 quality: 0,
1128                 bitrate: 0,
1129                 tb_num:  0,
1130                 tb_den:  0,
1131                 flags:   0,
1132             };
1133         //test_encoding_to_file(&dec_config, &enc_config, enc_params, &[]);
1134         test_encoding_md5(&dec_config, &enc_config, enc_params, &[],
1135                           &[0xd73cb3c7, 0x30d59f90, 0x1d6e0e28, 0x5b72cc0c]);
1136     }
1137 }