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5641dccf KS |
1 | use nihav_core::formats; |
2 | use nihav_core::codecs::*; | |
5641dccf | 3 | use nihav_core::io::byteio::*; |
afe29743 | 4 | use std::io::SeekFrom; |
4d965fde | 5 | use super::indeo3data::*; |
afe29743 | 6 | |
f614c96f KS |
7 | const DEFAULT_PIXEL: u8 = 0x40; |
8 | const STRIP_WIDTH: u8 = 160; | |
9 | const FRMH_TAG: u32 = ((b'F' as u32) << 24) | ((b'R' as u32) << 16) | |
10 | | ((b'M' as u32) << 8) | (b'H' as u32); | |
11 | ||
12 | const FLAG_8BIT: u16 = 1 << 1; | |
13 | const FLAG_KEYFRAME: u16 = 1 << 2; | |
14 | const FLAG_BUFSEL: u16 = 1 << 9; | |
15 | ||
16 | const MAX_DEPTH: u8 = 20; | |
17 | ||
18 | const H_SPLIT: u8 = 0; | |
19 | const V_SPLIT: u8 = 1; | |
20 | const ABS_FILL: u8 = 2; | |
21 | const REL_FILL: u8 = 3; | |
22 | const VQ_NULL: u8 = 2; | |
23 | const VQ_DATA: u8 = 3; | |
24 | ||
25 | type RequantTab = [[u8; 128]; 8]; | |
26 | ||
27 | trait AddDelta { | |
28 | fn add_delta(&mut self, delta: i8) -> DecoderResult<()>; | |
29 | } | |
30 | ||
31 | impl AddDelta for u8 { | |
32 | fn add_delta(&mut self, delta: i8) -> DecoderResult<()> { | |
33 | *self = self.wrapping_add(delta as u8); | |
34 | validate!((*self & 0x80) == 0); | |
35 | Ok(()) | |
36 | } | |
37 | } | |
38 | ||
afe29743 KS |
39 | #[derive(Clone, Copy)] |
40 | struct MV { | |
41 | x: i8, | |
42 | y: i8 | |
43 | } | |
44 | ||
f614c96f KS |
45 | struct Header { |
46 | vq_offset: u8, | |
47 | alt_quant: [u8; 16], | |
48 | mvs: [MV; 256], | |
49 | num_mvs: usize, | |
50 | data_start: [u64; 3], | |
51 | data_end: [u64; 3], | |
52 | is_intra: bool, | |
afe29743 KS |
53 | } |
54 | ||
f614c96f KS |
55 | impl Header { |
56 | fn new() -> Self { | |
57 | Self { | |
58 | vq_offset: 0, | |
59 | alt_quant: [0; 16], | |
60 | mvs: [MV { x: 0, y: 0 }; 256], | |
61 | num_mvs: 0, | |
62 | data_start: [0; 3], | |
63 | data_end: [0; 3], | |
64 | is_intra: false, | |
afe29743 KS |
65 | } |
66 | } | |
67 | } | |
68 | ||
f614c96f KS |
69 | struct DataReader<'a, 'b> { |
70 | br: &'a mut ByteReader<'b>, | |
71 | bpos: u8, | |
72 | bitbuf: u8, | |
afe29743 KS |
73 | } |
74 | ||
f614c96f KS |
75 | impl<'a, 'b> DataReader<'a, 'b> { |
76 | fn new(br: &'a mut ByteReader<'b>) -> Self { | |
77 | Self { | |
78 | br, | |
79 | bpos: 0, | |
80 | bitbuf: 0, | |
81 | } | |
afe29743 | 82 | } |
f614c96f KS |
83 | fn read_2bits(&mut self) -> DecoderResult<u8> { |
84 | if self.bpos == 0 { | |
85 | self.bitbuf = self.br.read_byte()?; | |
86 | self.bpos = 8; | |
87 | } | |
88 | self.bpos -= 2; | |
89 | let bits = (self.bitbuf >> self.bpos) & 3; | |
90 | Ok(bits) | |
afe29743 | 91 | } |
f614c96f KS |
92 | fn read_byte(&mut self) -> DecoderResult<u8> { |
93 | Ok(self.br.read_byte()?) | |
afe29743 KS |
94 | } |
95 | } | |
96 | ||
f614c96f KS |
97 | #[derive(Debug, PartialEq)] |
98 | enum Corrector { | |
99 | Zero, | |
100 | Skip, | |
101 | Quad([i8; 4]), | |
102 | Fill(u8), | |
103 | ZeroBlock, | |
104 | SkipBlock, | |
afe29743 KS |
105 | } |
106 | ||
f614c96f KS |
107 | impl Corrector { |
108 | fn is_whole_block(&self) -> bool { matches!(*self, Corrector::Fill(_) | Corrector::ZeroBlock | Corrector::SkipBlock) } | |
afe29743 KS |
109 | } |
110 | ||
f614c96f KS |
111 | struct QuadDecoder<'a, 'b, 'c> { |
112 | br: &'a mut DataReader<'b, 'c>, | |
113 | cb: [&'static IviDeltaCB; 4], | |
114 | cb_idx: [usize; 4], | |
115 | mode: u8, | |
afe29743 | 116 | |
f614c96f KS |
117 | lines_run: u8, |
118 | block_run: u8, | |
119 | skip_flag: bool, | |
120 | next_lit: bool, | |
121 | fill: Option<u8>, | |
afe29743 KS |
122 | } |
123 | ||
f614c96f KS |
124 | impl<'a, 'b, 'c> QuadDecoder<'a, 'b, 'c> { |
125 | fn new(br: &'a mut DataReader<'b, 'c>, mode: u8, cb_index: [usize; 2]) -> Self { | |
126 | Self { | |
127 | br, mode, | |
128 | lines_run: 0, | |
129 | block_run: 0, | |
130 | skip_flag: false, | |
131 | next_lit: false, | |
132 | fill: None, | |
133 | cb: [IVI3_DELTA_CBS[cb_index[0]], IVI3_DELTA_CBS[cb_index[1]], | |
134 | IVI3_DELTA_CBS[cb_index[0]], IVI3_DELTA_CBS[cb_index[1]]], | |
135 | cb_idx: [cb_index[0], cb_index[1], cb_index[0], cb_index[1]], | |
136 | } | |
afe29743 | 137 | } |
f614c96f KS |
138 | fn get_skip_corr(&self) -> Corrector { |
139 | if !self.skip_flag { | |
140 | Corrector::Zero | |
141 | } else { | |
142 | Corrector::Skip | |
143 | } | |
afe29743 | 144 | } |
f614c96f KS |
145 | fn read(&mut self, line: u8) -> DecoderResult<Corrector> { |
146 | if let Some(fill) = self.fill { | |
147 | self.fill = None; | |
148 | return Ok(Corrector::Fill(fill)); | |
149 | } | |
150 | if self.lines_run > 0 { | |
151 | self.lines_run -= 1; | |
152 | return Ok(self.get_skip_corr()); | |
153 | } | |
154 | if self.block_run > 0 { | |
155 | self.block_run -= 1; | |
156 | let corr = if !self.skip_flag { | |
157 | Corrector::ZeroBlock | |
158 | } else { | |
159 | Corrector::SkipBlock | |
160 | }; | |
161 | return Ok(corr); | |
162 | } | |
163 | let mut b = self.br.read_byte()?; | |
164 | if self.next_lit { | |
165 | self.next_lit = false; | |
166 | if b >= 0xF8 { | |
167 | b = (self.cb[usize::from(line)].data.len() / 2) as u8; | |
168 | } | |
169 | } | |
afe29743 | 170 | |
f614c96f KS |
171 | match b { |
172 | 0..=0xF7 => { | |
173 | let cb = self.cb[usize::from(line)]; | |
afe29743 | 174 | |
f614c96f KS |
175 | let esc_val = (cb.data.len() / 2) as u8; |
176 | let (idx0, idx1) = if b < esc_val { | |
177 | let idx2 = self.br.read_byte()?; | |
178 | validate!(idx2 < esc_val); | |
179 | (b, idx2) | |
180 | } else if self.cb_idx[usize::from(line)] < 16 { | |
181 | ((b - esc_val) % cb.quad_radix, (b - esc_val) / cb.quad_radix) | |
182 | } else { | |
183 | ((b - esc_val) / cb.quad_radix, (b - esc_val) % cb.quad_radix) | |
184 | }; | |
185 | let idx0 = usize::from(idx0); | |
186 | let idx1 = usize::from(idx1); | |
187 | Ok(Corrector::Quad([cb.data[idx1 * 2], cb.data[idx1 * 2 + 1], | |
188 | cb.data[idx0 * 2], cb.data[idx0 * 2 + 1]])) | |
189 | }, | |
190 | 0xF8 => { | |
191 | validate!(line == 0); | |
192 | let fillval = self.br.read_byte()?; | |
193 | if (fillval & 0x80) != 0 { | |
194 | self.fill = Some(fillval & 0x7F); | |
195 | } | |
196 | Ok(Corrector::Fill(fillval & 0x7F)) | |
197 | }, | |
198 | 0xF9 => { | |
199 | validate!(line == 0); | |
200 | self.skip_flag = true; | |
201 | self.block_run = 1; | |
202 | Ok(Corrector::SkipBlock) | |
203 | }, | |
204 | 0xFA => { | |
205 | validate!(self.mode != 3 && self.mode != 10); | |
206 | Ok(Corrector::SkipBlock) | |
207 | }, | |
208 | 0xFB => { | |
209 | let b = self.br.read_byte()?; | |
210 | validate!((b & 0x1F) > 0); | |
211 | validate!(b < 0x40); | |
212 | self.skip_flag = (b & 0x20) != 0; | |
213 | self.block_run = (b & 0x1F) - 1; | |
214 | if line > 0 { | |
215 | self.lines_run = 3 - line; | |
216 | Ok(self.get_skip_corr()) | |
217 | } else { | |
218 | let corr = if !self.skip_flag { | |
219 | Corrector::ZeroBlock | |
220 | } else { | |
221 | Corrector::SkipBlock | |
222 | }; | |
223 | Ok(corr) | |
224 | } | |
225 | }, | |
226 | 0xFC => { | |
227 | self.block_run = 1; | |
228 | self.skip_flag = false; | |
229 | if line > 0 { | |
230 | self.lines_run = 3 - line; | |
231 | Ok(Corrector::Zero) | |
232 | } else { | |
233 | Ok(Corrector::ZeroBlock) | |
234 | } | |
235 | }, | |
236 | 0xFD => { | |
237 | self.lines_run = 3 - line; | |
238 | self.skip_flag = false; | |
239 | Ok(Corrector::Zero) | |
240 | }, | |
241 | 0xFE => { | |
242 | validate!(line < 2); | |
243 | self.lines_run = 2 - line; | |
244 | self.skip_flag = false; | |
245 | Ok(Corrector::Zero) | |
246 | }, | |
247 | 0xFF => { | |
248 | validate!(line == 0); | |
249 | self.lines_run = 1; | |
250 | self.skip_flag = false; | |
251 | self.next_lit = true; | |
252 | Ok(Corrector::Zero) | |
253 | }, | |
254 | } | |
255 | } | |
afe29743 KS |
256 | } |
257 | ||
f614c96f KS |
258 | #[derive(Clone, Copy)] |
259 | struct Indeo3Cell { | |
260 | x: u8, | |
261 | y: u8, | |
262 | width: u8, | |
263 | height: u8, | |
afe29743 | 264 | mv: Option<MV>, |
f614c96f | 265 | depth: u8, |
afe29743 KS |
266 | } |
267 | ||
f614c96f KS |
268 | impl Indeo3Cell { |
269 | fn new(width: usize, height: usize) -> Self { | |
270 | Self { | |
271 | x: 0, | |
272 | y: 0, | |
273 | width: (width / 4) as u8, | |
274 | height: (height / 4) as u8, | |
275 | mv: None, | |
276 | depth: 0, | |
277 | } | |
afe29743 | 278 | } |
f614c96f KS |
279 | |
280 | fn get_x(&self) -> usize { usize::from(self.x) * 4 } | |
281 | fn get_y(&self) -> usize { usize::from(self.y) * 4 } | |
282 | fn get_width(&self) -> usize { usize::from(self.width) * 4 } | |
283 | fn get_height(&self) -> usize { usize::from(self.height) * 4 } | |
284 | fn is_intra(&self) -> bool { self.mv.is_none() } | |
285 | ||
afe29743 | 286 | fn split_h(&self) -> (Self, Self) { |
f614c96f KS |
287 | let h1 = if self.height > 2 { ((self.height + 2) >> 2) << 1 } else { 1 }; |
288 | let h2 = self.height - h1; | |
afe29743 | 289 | let mut cell1 = *self; |
f614c96f KS |
290 | cell1.height = h1; |
291 | cell1.depth += 1; | |
afe29743 | 292 | let mut cell2 = *self; |
f614c96f KS |
293 | cell2.y += h1; |
294 | cell2.height = h2; | |
295 | cell2.depth += 1; | |
afe29743 KS |
296 | (cell1, cell2) |
297 | } | |
f614c96f KS |
298 | fn split_v(&self, stripw: u8) -> (Self, Self) { |
299 | let w1 = if self.width > stripw { | |
300 | if self.width > stripw * 2 { stripw * 2 } else { stripw } | |
afe29743 | 301 | } else { |
f614c96f | 302 | if self.width > 2 { ((self.width + 2) >> 2) << 1 } else { 1 } |
afe29743 | 303 | }; |
f614c96f | 304 | let w2 = self.width - w1; |
afe29743 | 305 | let mut cell1 = *self; |
f614c96f KS |
306 | cell1.width = w1; |
307 | cell1.depth += 1; | |
afe29743 | 308 | let mut cell2 = *self; |
f614c96f KS |
309 | cell2.x += w1; |
310 | cell2.width = w2; | |
311 | cell2.depth += 1; | |
afe29743 KS |
312 | (cell1, cell2) |
313 | } | |
afe29743 KS |
314 | } |
315 | ||
f614c96f KS |
316 | impl std::fmt::Display for Indeo3Cell { |
317 | fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result { | |
318 | let spec = if let Some(mv) = self.mv { | |
319 | format!("mv {},{}", mv.x, mv.y) | |
320 | } else { | |
321 | "intra".to_owned() | |
322 | }; | |
323 | write!(f, "[{}x{} @ {},{} {}]", self.get_width(), self.get_height(), self.get_x(), self.get_y(), spec) | |
324 | } | |
afe29743 KS |
325 | } |
326 | ||
f614c96f KS |
327 | #[derive(Default)] |
328 | struct Plane { | |
329 | width: usize, | |
330 | height: usize, | |
331 | data: Vec<u8>, | |
332 | stripw: u8, | |
333 | } | |
3bc2f5a4 | 334 | |
f614c96f KS |
335 | impl Plane { |
336 | fn new(stripw: u8) -> Self { | |
337 | Self { | |
338 | stripw: stripw / 4, | |
339 | ..Default::default() | |
340 | } | |
341 | } | |
342 | fn alloc(&mut self, width: usize, height: usize) { | |
343 | self.width = width; | |
344 | self.height = height; | |
345 | self.data.resize(width * (height + 1), 0); | |
346 | for el in self.data[..width].iter_mut() { | |
347 | *el = DEFAULT_PIXEL; | |
348 | } | |
349 | } | |
350 | fn reset(&mut self) { | |
351 | for el in self.data[self.width..].iter_mut() { | |
352 | *el = 0; | |
353 | } | |
354 | } | |
355 | fn output_plane(&self, dst: &mut [u8], stride: usize, is_8bit: bool) { | |
356 | for (dline, sline) in dst.chunks_mut(stride).zip(self.data.chunks(self.width).skip(1)) { | |
357 | if !is_8bit { | |
358 | for (dst, &src) in dline.iter_mut().zip(sline.iter()) { | |
359 | *dst = src << 1; | |
3bc2f5a4 | 360 | } |
f614c96f KS |
361 | } else { |
362 | let size = dline.len(); | |
363 | dline.copy_from_slice(&sline[..size]); | |
3bc2f5a4 KS |
364 | } |
365 | } | |
afe29743 | 366 | } |
f614c96f KS |
367 | fn checksum(&self) -> u16 { |
368 | let mut checksum = [0; 2]; | |
369 | for pair in self.data.chunks(2) { | |
370 | checksum[0] ^= pair[0]; | |
371 | checksum[1] ^= pair[1]; | |
372 | } | |
373 | read_u16le(&checksum).unwrap_or(0) | |
afe29743 | 374 | } |
f614c96f KS |
375 | fn decode_data(&mut self, br: &mut DataReader, ref_plane: &mut Self, header: &Header, requant_tab: &RequantTab) -> DecoderResult<()> { |
376 | let cell = Indeo3Cell::new(self.width, self.height); | |
377 | self.decode_mv_tree(br, ref_plane, cell, header, requant_tab)?; | |
378 | Ok(()) | |
379 | } | |
380 | fn decode_mv_tree(&mut self, br: &mut DataReader, ref_plane: &mut Self, cell: Indeo3Cell, header: &Header, requant_tab: &RequantTab) -> DecoderResult<()> { | |
381 | validate!(cell.depth < MAX_DEPTH); | |
382 | match br.read_2bits()? { | |
383 | H_SPLIT => { | |
384 | let (cell1, cell2) = cell.split_h(); | |
385 | self.decode_mv_tree(br, ref_plane, cell1, header, requant_tab)?; | |
386 | self.decode_mv_tree(br, ref_plane, cell2, header, requant_tab)?; | |
387 | }, | |
388 | V_SPLIT => { | |
389 | let (cell1, cell2) = cell.split_v(self.stripw); | |
390 | self.decode_mv_tree(br, ref_plane, cell1, header, requant_tab)?; | |
391 | self.decode_mv_tree(br, ref_plane, cell2, header, requant_tab)?; | |
392 | }, | |
393 | ABS_FILL => { | |
394 | self.decode_vq_tree(br, ref_plane, cell, header, requant_tab)?; | |
395 | }, | |
396 | REL_FILL => { | |
397 | validate!(!header.is_intra); | |
398 | let mv_idx = usize::from(br.read_byte()?); | |
399 | validate!(mv_idx < header.num_mvs); | |
400 | let mut sec_cell = cell; | |
401 | sec_cell.mv = Some(header.mvs[mv_idx]); | |
402 | self.decode_vq_tree(br, ref_plane, sec_cell, header, requant_tab)?; | |
403 | }, | |
404 | _ => unreachable!(), | |
afe29743 | 405 | } |
f614c96f | 406 | Ok(()) |
afe29743 | 407 | } |
f614c96f KS |
408 | fn decode_vq_tree(&mut self, br: &mut DataReader, ref_plane: &mut Self, cell: Indeo3Cell, header: &Header, requant_tab: &RequantTab) -> DecoderResult<()> { |
409 | validate!(cell.depth < MAX_DEPTH); | |
410 | match br.read_2bits()? { | |
411 | H_SPLIT => { | |
412 | let (cell1, cell2) = cell.split_h(); | |
413 | self.decode_vq_tree(br, ref_plane, cell1, header, requant_tab)?; | |
414 | self.decode_vq_tree(br, ref_plane, cell2, header, requant_tab)?; | |
415 | }, | |
416 | V_SPLIT => { | |
417 | let (cell1, cell2) = cell.split_v(self.stripw); | |
418 | self.decode_vq_tree(br, ref_plane, cell1, header, requant_tab)?; | |
419 | self.decode_vq_tree(br, ref_plane, cell2, header, requant_tab)?; | |
420 | }, | |
421 | VQ_NULL => { | |
422 | let code = br.read_2bits()?; | |
423 | match code { | |
424 | 0 => { | |
425 | self.copy_cell(ref_plane, cell)?; | |
426 | }, | |
427 | 1 => return Err(DecoderError::NotImplemented), // skip cell | |
428 | _ => return Err(DecoderError::InvalidData), | |
429 | }; | |
430 | }, | |
431 | VQ_DATA => { | |
432 | let code = br.read_byte()?; | |
433 | let mode = code >> 4; | |
434 | let vq_index = code & 0xF; | |
435 | let cb_index = if matches!(mode, 1 | 4 | 12) { | |
436 | let aq = header.alt_quant[usize::from(vq_index)]; | |
437 | [aq & 0xF, aq >> 4] | |
438 | } else { | |
439 | [vq_index; 2] | |
440 | }; | |
441 | let cb_index = [usize::from(cb_index[0] + header.vq_offset), usize::from(cb_index[1] + header.vq_offset)]; | |
442 | validate!(cb_index[0] < IVI3_DELTA_CBS.len()); | |
443 | validate!(cb_index[1] < IVI3_DELTA_CBS.len()); | |
444 | if cell.get_y() > 0 && matches!(mode, 0 | 3 | 10) && (8..=15).contains(&cb_index[0]) { | |
445 | let src = if cell.is_intra() { | |
446 | &mut self.data[cell.get_x() + cell.get_y() * self.width..] | |
447 | } else { | |
448 | &mut ref_plane.data[cell.get_x() + (cell.get_y() + 1) * ref_plane.width..] | |
449 | }; | |
450 | let cur_requant_tab = &requant_tab[cb_index[0] - 8]; | |
451 | for el in src.iter_mut().take(cell.get_width()) { | |
452 | *el = cur_requant_tab[usize::from(*el)]; | |
3bc2f5a4 KS |
453 | } |
454 | } | |
f614c96f KS |
455 | |
456 | let qmode = if mode != 10 || cell.is_intra() { mode } else { 20 }; | |
457 | let mut quad_decoder = QuadDecoder::new(br, qmode, cb_index); | |
458 | if !cell.is_intra() { | |
459 | self.copy_cell(ref_plane, cell)?; | |
3bc2f5a4 | 460 | } |
f614c96f KS |
461 | match qmode { |
462 | 0 | 1 => { | |
463 | self.process_cell_0_1(&mut quad_decoder, cell)?; | |
464 | }, | |
465 | 3 | 4 => { | |
466 | validate!(cell.is_intra()); | |
467 | validate!((cell.get_height() & 7) == 0); | |
468 | self.process_cell_3_4(&mut quad_decoder, cell)?; | |
469 | }, | |
470 | 10 => { | |
471 | validate!((cell.get_width() & 7) == 0); | |
472 | validate!((cell.get_height() & 7) == 0); | |
473 | self.process_cell_10_intra(&mut quad_decoder, cell)?; | |
474 | }, | |
475 | 20 => { | |
476 | validate!((cell.get_width() & 7) == 0); | |
477 | validate!((cell.get_height() & 7) == 0); | |
478 | self.process_cell_10_inter(&mut quad_decoder, cell)?; | |
479 | }, | |
480 | 11 => { | |
481 | validate!(!cell.is_intra()); | |
482 | validate!((cell.get_height() & 7) == 0); | |
483 | self.process_cell_11(&mut quad_decoder, cell)?; | |
484 | }, | |
485 | 2 | 12 => { return Err(DecoderError::NotImplemented)}, | |
486 | _ => return Err(DecoderError::InvalidData), | |
487 | }; | |
488 | if matches!(qmode, 3 | 4 | 10) && cell.get_y() == 0 { | |
489 | let line_pair = &mut self.data[cell.get_x() + (cell.get_y() + 1) * self.width..]; | |
490 | let (line0, line1) = line_pair.split_at_mut(self.width); | |
491 | line0[..cell.get_width()].copy_from_slice(&line1[..cell.get_width()]); | |
492 | } | |
493 | }, | |
494 | _ => unreachable!(), | |
3bc2f5a4 | 495 | } |
f614c96f KS |
496 | Ok(()) |
497 | } | |
498 | fn process_cell_0_1(&mut self, qd: &mut QuadDecoder, cell: Indeo3Cell) -> DecoderResult<()> { | |
499 | let stride = self.width; | |
500 | let mut offset = cell.get_x() + (cell.get_y() + 1) * stride; | |
501 | let cell_w = cell.get_width(); | |
502 | for _y in (0..cell.get_height()).step_by(4) { | |
503 | 'block0: | |
504 | for x in (0..cell_w).step_by(4) { | |
505 | let top = &self.data[offset - stride + x..]; | |
506 | let mut top = [top[0], top[1], top[2], top[3]]; | |
507 | for line in 0..4 { | |
508 | let corr = qd.read(line as u8)?; | |
509 | if !cell.is_intra() && !corr.is_whole_block() { | |
510 | let src = &self.data[offset + line * stride + x..]; | |
511 | top.copy_from_slice(&src[..4]); | |
afe29743 | 512 | } |
f614c96f KS |
513 | match corr { |
514 | Corrector::SkipBlock => continue 'block0, | |
515 | Corrector::Fill(fill) => { | |
516 | for line in self.data[offset + x..].chunks_mut(stride).take(4) { | |
517 | for el in line[..4].iter_mut() { | |
518 | *el = fill; | |
afe29743 KS |
519 | } |
520 | } | |
f614c96f KS |
521 | }, |
522 | Corrector::ZeroBlock if cell.is_intra() => { | |
523 | let (head, cur) = self.data.split_at_mut(offset + x); | |
524 | let prev = &head[head.len() - stride..]; | |
525 | for dline in cur.chunks_mut(stride).take(4) { | |
526 | dline[..4].copy_from_slice(&prev[..4]); | |
afe29743 | 527 | } |
f614c96f KS |
528 | continue 'block0; |
529 | }, | |
530 | Corrector::ZeroBlock => continue 'block0, | |
531 | Corrector::Quad(quad) => { | |
532 | for (el, &corr) in top.iter_mut().zip(quad.iter()) { | |
533 | el.add_delta(corr)?; | |
afe29743 | 534 | } |
f614c96f KS |
535 | }, |
536 | Corrector::Zero => {}, | |
537 | Corrector::Skip if cell.is_intra() => unimplemented!(), | |
538 | Corrector::Skip => {}, | |
539 | }; | |
540 | let wback = match corr { | |
541 | Corrector::Zero if cell.is_intra() => true, | |
542 | Corrector::Quad(_) => true, | |
543 | _ => false, | |
544 | }; | |
545 | if wback { | |
546 | self.data[offset + x + line * stride..][..4].copy_from_slice(&top); | |
547 | } | |
548 | } | |
549 | } | |
550 | offset += self.width * 4; | |
551 | } | |
552 | Ok(()) | |
553 | } | |
554 | fn process_cell_3_4(&mut self, qd: &mut QuadDecoder, cell: Indeo3Cell) -> DecoderResult<()> { | |
555 | let stride = self.width; | |
556 | let mut offset = cell.get_x() + (cell.get_y() + 1) * stride; | |
557 | let cell_w = cell.get_width(); | |
558 | for _y in (0..cell.get_height()).step_by(8) { | |
559 | 'block3: | |
560 | for x in (0..cell_w).step_by(4) { | |
561 | let top = &self.data[offset - stride + x..][..4]; | |
562 | let mut top = [top[0], top[1], top[2], top[3]]; | |
563 | for line in 0..4 { | |
564 | let corr = qd.read(line as u8)?; | |
565 | match corr { | |
566 | Corrector::SkipBlock => continue 'block3, | |
567 | Corrector::Fill(fill) => { | |
568 | for line in self.data[offset + x..].chunks_mut(stride).take(8) { | |
569 | for el in line[..4].iter_mut() { | |
570 | *el = fill; | |
afe29743 KS |
571 | } |
572 | } | |
f614c96f KS |
573 | }, |
574 | Corrector::ZeroBlock => { | |
575 | for dline in self.data[offset + x..].chunks_mut(stride).take(8) { | |
576 | dline[..4].copy_from_slice(&top); | |
afe29743 | 577 | } |
f614c96f KS |
578 | continue 'block3; |
579 | }, | |
580 | Corrector::Quad(quad) => { | |
581 | for (el, &corr) in top.iter_mut().zip(quad.iter()) { | |
582 | el.add_delta(corr)?; | |
afe29743 | 583 | } |
f614c96f KS |
584 | }, |
585 | Corrector::Zero => {}, | |
586 | Corrector::Skip => unimplemented!(), | |
587 | }; | |
588 | ||
589 | if corr != Corrector::Skip { | |
590 | let dst = &mut self.data[offset + x + (line * 2 + 1) * stride..][..4]; | |
591 | dst.copy_from_slice(&top); | |
592 | } | |
593 | } | |
594 | ||
595 | let mut top_off = offset + x - stride; | |
596 | for _line in 0..4 { | |
597 | for pos in 0..4 { | |
598 | self.data[top_off + stride + pos] = (self.data[top_off + pos] + self.data[top_off + stride * 2 + pos]) >> 1; | |
599 | } | |
600 | top_off += stride * 2; | |
601 | } | |
602 | } | |
603 | offset += self.width * 8; | |
604 | } | |
605 | Ok(()) | |
606 | } | |
607 | fn process_cell_10_intra(&mut self, qd: &mut QuadDecoder, cell: Indeo3Cell) -> DecoderResult<()> { | |
608 | let stride = self.width; | |
609 | let mut offset = cell.get_x() + (cell.get_y() + 1) * stride; | |
610 | let cell_w = cell.get_width(); | |
611 | for _y in (0..cell.get_height()).step_by(8) { | |
612 | 'block10i: | |
613 | for x in (0..cell_w).step_by(8) { | |
614 | let top = &self.data[offset - stride + x..][..8]; | |
615 | let mut top = [top[0], top[2], top[4], top[6]]; | |
616 | for line in 0..4 { | |
617 | let corr = qd.read(line as u8)?; | |
618 | match corr { | |
619 | Corrector::SkipBlock => continue 'block10i, | |
620 | Corrector::Fill(fill) => { | |
621 | for line in self.data[offset + x..].chunks_mut(stride).take(8) { | |
622 | for el in line[..8].iter_mut() { | |
623 | *el = fill; | |
afe29743 KS |
624 | } |
625 | } | |
f614c96f KS |
626 | }, |
627 | Corrector::ZeroBlock => { | |
628 | let line_pair = &mut self.data[offset - stride + x..]; | |
629 | let (top_line, dst_line) = line_pair.split_at_mut(stride); | |
630 | for (i, (dst, &top_s)) in dst_line.iter_mut() | |
631 | .zip(top_line.iter()).take(8).enumerate() { | |
632 | *dst = (top_s + top[i >> 1]) >> 1; | |
633 | } | |
634 | for dline in self.data[offset + x..].chunks_mut(stride).take(8).skip(1) { | |
635 | for (dst, &src) in dline.chunks_mut(2).zip(top.iter()) { | |
636 | dst[0] = src; | |
637 | dst[1] = src; | |
638 | } | |
639 | } | |
640 | continue 'block10i; | |
641 | }, | |
642 | Corrector::Quad(quad) => { | |
643 | for (el, &corr) in top.iter_mut().zip(quad.iter()) { | |
644 | el.add_delta(corr)?; | |
645 | } | |
646 | }, | |
647 | Corrector::Zero => {}, | |
648 | Corrector::Skip => unimplemented!(), | |
649 | }; | |
650 | ||
651 | if corr != Corrector::Skip { | |
652 | for (dst, &prev) in self.data[offset + x + (line * 2 + 1) * stride..].chunks_mut(2).zip(top.iter()).take(4) { | |
653 | dst[0] = prev; | |
654 | dst[1] = prev; | |
afe29743 KS |
655 | } |
656 | } | |
657 | } | |
f614c96f KS |
658 | |
659 | let mut top_off = offset + x - stride; | |
660 | for _line in 0..4 { | |
661 | for pos in 0..8 { | |
662 | self.data[top_off + stride + pos] = (self.data[top_off + pos] + self.data[top_off + stride * 2 + pos]) >> 1; | |
663 | } | |
664 | top_off += stride * 2; | |
665 | } | |
afe29743 | 666 | } |
f614c96f | 667 | offset += self.width * 8; |
afe29743 KS |
668 | } |
669 | Ok(()) | |
670 | } | |
f614c96f KS |
671 | fn process_cell_10_inter(&mut self, qd: &mut QuadDecoder, cell: Indeo3Cell) -> DecoderResult<()> { |
672 | let stride = self.width; | |
673 | let mut offset = cell.get_x() + (cell.get_y() + 1) * stride; | |
674 | let cell_w = cell.get_width(); | |
675 | for _y in (0..cell.get_height()).step_by(8) { | |
676 | 'block10p: | |
677 | for x in (0..cell_w).step_by(8) { | |
678 | for line in 0..4 { | |
679 | let corr = qd.read(line as u8)?; | |
680 | match corr { | |
681 | Corrector::SkipBlock | Corrector::ZeroBlock => continue 'block10p, | |
682 | Corrector::Fill(fill) => { | |
683 | for line in self.data[offset + x..].chunks_mut(stride).take(8) { | |
684 | for el in line[..8].iter_mut() { | |
685 | *el = fill; | |
686 | } | |
687 | } | |
688 | }, | |
689 | Corrector::Quad(quad) => { | |
690 | let strip = &mut self.data[offset + x + line * 2 * stride..]; | |
691 | for (xoff, &corr) in quad.iter().enumerate() { | |
692 | strip[xoff * 2].add_delta(corr)?; | |
693 | strip[xoff * 2 + 1].add_delta(corr)?; | |
694 | strip[xoff * 2 + stride].add_delta(corr)?; | |
695 | strip[xoff * 2 + stride + 1].add_delta(corr)?; | |
696 | } | |
697 | }, | |
698 | _ => {}, | |
699 | }; | |
700 | } | |
701 | } | |
702 | offset += self.width * 8; | |
703 | } | |
afe29743 KS |
704 | Ok(()) |
705 | } | |
f614c96f KS |
706 | fn process_cell_11(&mut self, qd: &mut QuadDecoder, cell: Indeo3Cell) -> DecoderResult<()> { |
707 | let stride = self.width; | |
708 | let mut offset = cell.get_x() + (cell.get_y() + 1) * stride; | |
709 | let cell_w = cell.get_width(); | |
710 | for _y in (0..cell.get_height()).step_by(8) { | |
711 | 'block10p: | |
712 | for x in (0..cell_w).step_by(4) { | |
713 | for line in 0..4 { | |
714 | let corr = qd.read(line as u8)?; | |
715 | match corr { | |
716 | Corrector::SkipBlock | Corrector::ZeroBlock => continue 'block10p, | |
717 | Corrector::Fill(fill) => { | |
718 | for line in self.data[offset + x..].chunks_mut(stride).take(8) { | |
719 | for el in line[..4].iter_mut() { | |
720 | *el = fill; | |
721 | } | |
722 | } | |
723 | }, | |
724 | Corrector::Quad(quad) => { | |
725 | let strip = &mut self.data[offset + x + line * 2 * stride..]; | |
726 | for (xoff, &corr) in quad.iter().enumerate() { | |
727 | strip[xoff].add_delta(corr)?; | |
728 | strip[xoff + stride].add_delta(corr)?; | |
729 | } | |
730 | }, | |
731 | _ => {}, | |
732 | }; | |
733 | } | |
afe29743 | 734 | } |
f614c96f | 735 | offset += self.width * 8; |
afe29743 | 736 | } |
f614c96f | 737 | Ok(()) |
afe29743 | 738 | } |
f614c96f KS |
739 | fn copy_cell(&mut self, ref_plane: &Self, cell: Indeo3Cell) -> DecoderResult<()> { |
740 | if let Some(mv) = cell.mv { | |
741 | let xpos = (cell.get_x() as isize) + isize::from(mv.x); | |
742 | validate!(xpos >= 0); | |
743 | let xpos = xpos as usize; | |
744 | validate!(xpos + cell.get_width() <= self.width); | |
745 | let ypos = (cell.get_y() as isize) + isize::from(mv.y); | |
746 | validate!(ypos >= 0); | |
747 | let ypos = ypos as usize; | |
748 | validate!(ypos + cell.get_height() <= self.height); | |
749 | let src = &ref_plane.data[xpos + (ypos + 1) * ref_plane.width..]; | |
750 | let dst = &mut self.data[cell.get_x() + (cell.get_y() + 1) * self.width..]; | |
afe29743 | 751 | |
f614c96f KS |
752 | let width = cell.get_width(); |
753 | let height = cell.get_height(); | |
754 | for (dline, sline) in dst.chunks_mut(ref_plane.width).zip(src.chunks(self.width)).take(height) { | |
755 | dline[..width].copy_from_slice(&sline[..width]); | |
afe29743 | 756 | } |
f614c96f | 757 | Ok(()) |
afe29743 | 758 | } else { |
f614c96f | 759 | Err(DecoderError::InvalidData) |
afe29743 KS |
760 | } |
761 | } | |
f614c96f | 762 | } |
afe29743 | 763 | |
f614c96f KS |
764 | struct IV3Frame { |
765 | plane: [Plane; 3], | |
766 | } | |
afe29743 | 767 | |
f614c96f KS |
768 | impl IV3Frame { |
769 | fn new() -> Self { | |
770 | Self { | |
771 | plane: [ | |
772 | Plane::new(STRIP_WIDTH), | |
773 | Plane::new(STRIP_WIDTH >> 2), | |
774 | Plane::new(STRIP_WIDTH >> 2), | |
775 | ], | |
afe29743 | 776 | } |
f614c96f KS |
777 | } |
778 | fn alloc(&mut self, width: usize, height: usize) { | |
779 | self.plane[0].alloc( width, height); | |
780 | let chroma_w = ((width + 15) & !15) >> 2; | |
781 | let chroma_h = ((height + 15) & !15) >> 2; | |
782 | self.plane[1].alloc(chroma_w, chroma_h); | |
783 | self.plane[2].alloc(chroma_w, chroma_h); | |
784 | } | |
785 | fn reset(&mut self) { | |
786 | for plane in self.plane.iter_mut() { | |
787 | plane.reset() | |
788 | } | |
789 | } | |
790 | fn decode_planes(&mut self, ref_frame: &mut IV3Frame, br: &mut ByteReader, header: &mut Header, requant_tab: &RequantTab) -> DecoderResult<()> { | |
791 | let data_start = header.data_start; | |
792 | let data_end = header.data_end; | |
793 | for ((cur_plane, ref_plane), (&start, &end)) in self.plane.iter_mut() | |
794 | .zip(ref_frame.plane.iter_mut()) | |
795 | .zip(data_start.iter().zip(data_end.iter())) { | |
796 | br.seek(SeekFrom::Start(start))?; | |
797 | let num_mvs = br.read_u32le()? as usize; | |
798 | if header.is_intra { | |
799 | validate!(num_mvs == 0); | |
0ddb146d | 800 | } else { |
f614c96f KS |
801 | validate!(num_mvs <= header.mvs.len()); |
802 | } | |
803 | header.num_mvs = num_mvs; | |
804 | for mv in header.mvs.iter_mut().take(num_mvs) { | |
805 | mv.y = br.read_byte()? as i8; | |
806 | mv.x = br.read_byte()? as i8; | |
807 | } | |
808 | let mut reader = DataReader::new(br); | |
809 | cur_plane.decode_data(&mut reader, ref_plane, header, requant_tab)?; | |
810 | validate!(br.tell() <= end); | |
811 | } | |
afe29743 KS |
812 | Ok(()) |
813 | } | |
f614c96f KS |
814 | fn output_frame(&self, dst: &mut NAVideoBuffer<u8>, is_8bit: bool) { |
815 | let dfrm = NASimpleVideoFrame::from_video_buf(dst).unwrap(); | |
816 | for (plane_no, plane) in self.plane.iter().enumerate() { | |
817 | plane.output_plane(&mut dfrm.data[dfrm.offset[plane_no]..], dfrm.stride[plane_no], is_8bit); | |
818 | } | |
819 | } | |
820 | fn checksum(&self, is_8bit: bool) -> u16 { | |
821 | let mut checksum = 0; | |
822 | for plane in self.plane.iter() { | |
823 | checksum ^= plane.checksum(); | |
824 | } | |
825 | if !is_8bit { | |
826 | checksum <<= 1; | |
827 | } | |
828 | checksum | |
829 | } | |
830 | } | |
831 | ||
832 | struct Indeo3Decoder { | |
833 | info: NACodecInfoRef, | |
834 | width: u16, | |
835 | height: u16, | |
836 | header: Header, | |
837 | frame0: IV3Frame, | |
838 | frame1: IV3Frame, | |
839 | requant_tab: RequantTab, | |
840 | do_crc: bool, | |
841 | ign_size: bool, | |
842 | } | |
afe29743 | 843 | |
f614c96f KS |
844 | impl Indeo3Decoder { |
845 | fn new() -> Self { | |
846 | const REQUANT_OFF: [i32; 8] = [ 0, 1, 0, 4, 4, 1, 0, 1 ]; | |
afe29743 | 847 | |
f614c96f KS |
848 | let dummy_info = NACodecInfo::new_dummy(); |
849 | ||
850 | let mut requant_tab = [[0u8; 128]; 8]; | |
851 | for i in 0..8 { | |
852 | let step = (i as i32) + 2; | |
853 | let start = if (i == 3) || (i == 4) { -3 } else { step / 2 }; | |
854 | let mut last = 0; | |
855 | for j in 0..128 { | |
856 | requant_tab[i][j] = (((j as i32) + start) / step * step + REQUANT_OFF[i]) as u8; | |
857 | if requant_tab[i][j] < 128 { | |
858 | last = requant_tab[i][j]; | |
859 | } else { | |
860 | requant_tab[i][j] = last; | |
861 | } | |
862 | } | |
afe29743 | 863 | } |
f614c96f KS |
864 | requant_tab[1][7] = 10; |
865 | requant_tab[1][119] = 118; | |
866 | requant_tab[1][120] = 118; | |
867 | requant_tab[4][8] = 10; | |
afe29743 | 868 | |
f614c96f KS |
869 | Indeo3Decoder { |
870 | info: dummy_info, | |
871 | width: 0, | |
872 | height: 0, | |
873 | header: Header::new(), | |
874 | frame0: IV3Frame::new(), | |
875 | frame1: IV3Frame::new(), | |
876 | do_crc: false, | |
877 | ign_size: false, | |
878 | requant_tab | |
879 | } | |
afe29743 KS |
880 | } |
881 | } | |
882 | ||
afe29743 | 883 | impl NADecoder for Indeo3Decoder { |
01613464 | 884 | fn init(&mut self, _supp: &mut NADecoderSupport, info: NACodecInfoRef) -> DecoderResult<()> { |
afe29743 KS |
885 | if let NACodecTypeInfo::Video(vinfo) = info.get_properties() { |
886 | let w = vinfo.get_width(); | |
887 | let h = vinfo.get_height(); | |
888 | let fmt = formats::YUV410_FORMAT; | |
889 | let myinfo = NACodecTypeInfo::Video(NAVideoInfo::new(w, h, false, fmt)); | |
2422d969 | 890 | self.info = NACodecInfo::new_ref(info.get_name(), myinfo, info.get_extradata()).into_ref(); |
f614c96f KS |
891 | self.frame0.reset(); |
892 | self.frame1.reset(); | |
893 | self.width = w as u16; | |
894 | self.height = h as u16; | |
895 | self.frame0.alloc(w, h); | |
896 | self.frame1.alloc(w, h); | |
afe29743 KS |
897 | Ok(()) |
898 | } else { | |
899 | Err(DecoderError::InvalidData) | |
900 | } | |
901 | } | |
01613464 | 902 | fn decode(&mut self, _supp: &mut NADecoderSupport, pkt: &NAPacket) -> DecoderResult<NAFrameRef> { |
afe29743 KS |
903 | let src = pkt.get_buffer(); |
904 | let mut mr = MemoryReader::new_read(&src); | |
905 | let mut br = ByteReader::new(&mut mr); | |
f614c96f KS |
906 | |
907 | // read OS header | |
908 | let frameno = br.read_u32le()?; | |
909 | let hdr_2 = br.read_u32le()?; | |
910 | let check = br.read_u32le()?; | |
911 | let size = br.read_u32le()?; | |
afe29743 KS |
912 | |
913 | let data_start = br.tell(); | |
914 | ||
915 | if (frameno ^ hdr_2 ^ size ^ FRMH_TAG) != check { | |
916 | return Err(DecoderError::InvalidData); | |
917 | } | |
f614c96f KS |
918 | if i64::from(size) > br.left() { |
919 | return Err(DecoderError::InvalidData); | |
920 | } | |
921 | ||
922 | let ver = br.read_u16le()?; | |
afe29743 | 923 | if ver != 32 { return Err(DecoderError::NotImplemented); } |
f614c96f KS |
924 | let flags = br.read_u16le()?; |
925 | let size2 = br.read_u32le()?; | |
c5e335bf KS |
926 | if size2 == 0x80 { |
927 | let mut frm = NAFrame::new_from_pkt(pkt, self.info.clone(), NABufferType::None); | |
928 | frm.set_keyframe(false); | |
929 | frm.set_frame_type(FrameType::Skip); | |
930 | return Ok(frm.into_ref()); | |
931 | } | |
afe29743 | 932 | validate!(((size2 + 7) >> 3) <= size); |
f614c96f KS |
933 | self.header.vq_offset = br.read_byte()?; |
934 | br.read_skip(1)?; | |
935 | let checksum = br.read_u16le()?; | |
936 | let height = br.read_u16le()?; | |
937 | let width = br.read_u16le()?; | |
afe29743 | 938 | validate!((width >= 16) && (width <= 640)); |
f614c96f | 939 | validate!((height >= 16) && (height <= 480)); |
afe29743 | 940 | validate!(((width & 3) == 0) && ((height & 3) == 0)); |
f614c96f KS |
941 | if !self.ign_size && (width != self.width || height != self.height) { |
942 | self.width = width; | |
943 | self.height = height; | |
944 | self.frame0.alloc(width as usize, height as usize); | |
945 | self.frame1.alloc(width as usize, height as usize); | |
946 | let newinfo = NAVideoInfo::new(width as usize, height as usize, false, formats::YUV410_FORMAT); | |
947 | self.info = NACodecInfo::new_ref(self.info.get_name(), NACodecTypeInfo::Video(newinfo), self.info.get_extradata()).into_ref(); | |
afe29743 | 948 | } |
afe29743 | 949 | |
f614c96f KS |
950 | let yoff = br.read_u32le()?; |
951 | let voff = br.read_u32le()?; | |
952 | let uoff = br.read_u32le()?; | |
953 | validate!(yoff <= size && uoff <= size && voff <= size); | |
afe29743 | 954 | |
f614c96f KS |
955 | br.read_skip(4)?; |
956 | br.read_buf(&mut self.header.alt_quant)?; | |
afe29743 KS |
957 | |
958 | let mut yend = src.len() as u32;//size; | |
959 | if (uoff < yend) && (uoff > yoff) { yend = uoff; } | |
960 | if (voff < yend) && (voff > yoff) { yend = voff; } | |
961 | let mut uend = size; | |
962 | if (yoff < uend) && (yoff > uoff) { uend = yoff; } | |
963 | if (voff < uend) && (voff > uoff) { uend = voff; } | |
964 | let mut vend = size; | |
965 | if (yoff < vend) && (yoff > voff) { vend = yoff; } | |
966 | if (uoff < vend) && (uoff > voff) { vend = uoff; } | |
967 | ||
f614c96f KS |
968 | let intra_frame = (flags & FLAG_KEYFRAME) != 0; |
969 | ||
970 | let bufinfo = alloc_video_buffer(self.info.get_properties().get_video_info().unwrap(), 4)?; | |
afe29743 | 971 | let mut buf = bufinfo.get_vbuf().unwrap(); |
f614c96f | 972 | |
f2af8eca KS |
973 | let ystart = data_start + u64::from(yoff); |
974 | let ustart = data_start + u64::from(uoff); | |
975 | let vstart = data_start + u64::from(voff); | |
976 | let yendpos = data_start + u64::from(yend); | |
977 | let uendpos = data_start + u64::from(uend); | |
978 | let vendpos = data_start + u64::from(vend); | |
f614c96f KS |
979 | |
980 | self.header.data_start = [ystart, ustart, vstart]; | |
981 | self.header.data_end = [yendpos, uendpos, vendpos]; | |
982 | self.header.is_intra = intra_frame; | |
983 | ||
984 | let (cur_frame, ref_frame) = if (flags & FLAG_BUFSEL) != 0 { | |
985 | (&mut self.frame0, &mut self.frame1) | |
986 | } else { | |
987 | (&mut self.frame1, &mut self.frame0) | |
988 | }; | |
989 | cur_frame.decode_planes(ref_frame, &mut br, &mut self.header, &self.requant_tab)?; | |
990 | cur_frame.output_frame(&mut buf, (flags & FLAG_8BIT) != 0); | |
991 | if self.do_crc && checksum != 0 { | |
992 | let out_checksum = cur_frame.checksum((flags & FLAG_8BIT) != 0); | |
993 | if checksum != out_checksum && checksum.rotate_left(8) != out_checksum { | |
994 | println!("checksum {:04X} / {:04X}", checksum, out_checksum); | |
995 | return Err(DecoderError::ChecksumError); | |
996 | } | |
afe29743 | 997 | } |
f614c96f | 998 | |
afe29743 | 999 | let mut frm = NAFrame::new_from_pkt(pkt, self.info.clone(), bufinfo); |
f614c96f KS |
1000 | frm.set_keyframe(intra_frame); |
1001 | frm.set_frame_type(if intra_frame { FrameType::I } else { FrameType::P }); | |
171860fc | 1002 | Ok(frm.into_ref()) |
afe29743 | 1003 | } |
f614c96f | 1004 | |
f9be4e75 | 1005 | fn flush(&mut self) { |
f614c96f KS |
1006 | self.frame0.reset(); |
1007 | self.frame1.reset(); | |
f9be4e75 | 1008 | } |
afe29743 KS |
1009 | } |
1010 | ||
f614c96f KS |
1011 | const DO_CRC_OPTION: &str = "checksum"; |
1012 | const IGNORE_SIZE_OPTION: &str = "ignore_size_change"; | |
1013 | ||
1014 | const DECODER_OPTS: &[NAOptionDefinition] = &[ | |
1015 | NAOptionDefinition { | |
1016 | name: DO_CRC_OPTION, description: "Verify frame checksum", | |
1017 | opt_type: NAOptionDefinitionType::Bool }, | |
1018 | NAOptionDefinition { | |
1019 | name: IGNORE_SIZE_OPTION, description: "Ignore dimensions provided in the frame header", | |
1020 | opt_type: NAOptionDefinitionType::Bool }, | |
1021 | ]; | |
1022 | ||
7d57ae2f | 1023 | impl NAOptionHandler for Indeo3Decoder { |
f614c96f KS |
1024 | fn get_supported_options(&self) -> &[NAOptionDefinition] { DECODER_OPTS } |
1025 | fn set_options(&mut self, options: &[NAOption]) { | |
1026 | for option in options.iter() { | |
1027 | for opt_def in DECODER_OPTS.iter() { | |
1028 | if opt_def.check(option).is_ok() { | |
1029 | match option.name { | |
1030 | DO_CRC_OPTION => { | |
1031 | if let NAValue::Bool(val) = option.value { | |
1032 | self.do_crc = val; | |
1033 | } | |
1034 | }, | |
1035 | IGNORE_SIZE_OPTION => { | |
1036 | if let NAValue::Bool(val) = option.value { | |
1037 | self.ign_size = val; | |
1038 | } | |
1039 | }, | |
1040 | _ => {}, | |
1041 | }; | |
1042 | } | |
1043 | } | |
1044 | } | |
1045 | } | |
1046 | fn query_option_value(&self, name: &str) -> Option<NAValue> { | |
1047 | match name { | |
1048 | DO_CRC_OPTION => Some(NAValue::Bool(self.do_crc)), | |
1049 | IGNORE_SIZE_OPTION => Some(NAValue::Bool(self.ign_size)), | |
1050 | _ => None, | |
1051 | } | |
1052 | } | |
7d57ae2f KS |
1053 | } |
1054 | ||
08a1fab7 | 1055 | pub fn get_decoder() -> Box<dyn NADecoder + Send> { |
379fd781 KS |
1056 | Box::new(Indeo3Decoder::new()) |
1057 | } | |
1058 | ||
afe29743 KS |
1059 | #[cfg(test)] |
1060 | mod test { | |
3167c45c KS |
1061 | use nihav_core::codecs::RegisteredDecoders; |
1062 | use nihav_core::demuxers::RegisteredDemuxers; | |
ce742854 | 1063 | use nihav_codec_support::test::dec_video::*; |
78fb6560 | 1064 | use crate::indeo_register_all_decoders; |
e64739f8 | 1065 | use nihav_commonfmt::generic_register_all_demuxers; |
afe29743 | 1066 | #[test] |
f614c96f | 1067 | fn test_indeo3_decoder() { |
3167c45c KS |
1068 | let mut dmx_reg = RegisteredDemuxers::new(); |
1069 | generic_register_all_demuxers(&mut dmx_reg); | |
1070 | let mut dec_reg = RegisteredDecoders::new(); | |
78fb6560 | 1071 | indeo_register_all_decoders(&mut dec_reg); |
3167c45c | 1072 | |
886cde48 | 1073 | // sample: https://samples.mplayerhq.hu/V-codecs/IV32/iv32_example.avi |
2890938d KS |
1074 | test_decoding("avi", "indeo3", "assets/Indeo/iv32_example.avi", Some(10), |
1075 | &dmx_reg, &dec_reg, ExpectedTestResult::MD5Frames(vec![ | |
f614c96f KS |
1076 | [0xd710b489, 0xbeee8f99, 0xfbe34549, 0xaf5805af], |
1077 | [0x2b56ad73, 0x1faea777, 0xed480d09, 0x801e5185], | |
1078 | [0x06baa992, 0x74eef5fa, 0xf9d39fb2, 0xfac872ae], | |
1079 | [0xadceb016, 0x1fbd67f9, 0xba3e6621, 0xd822a026], | |
1080 | [0x052244b7, 0x1e3bd7bb, 0xd5ad10cf, 0x9177dc3e], | |
1081 | [0x84cca4bc, 0x19ac192f, 0xb9281be7, 0x7ad6193e], | |
1082 | [0xcab74cf9, 0xd7c77c2a, 0x848cbfc9, 0x604a2718], | |
1083 | [0xe6d65b3b, 0x3f3ea0e1, 0x383cad01, 0x0788f3ac], | |
1084 | [0xb25d9b0c, 0xc784bf67, 0x6e86991d, 0x7c2d9a14], | |
1085 | [0x8c70aeae, 0xf95369a1, 0x31d60201, 0xe7e4acdb], | |
1086 | [0x5c63f1bb, 0x32ce48a4, 0x226d112e, 0x440a5bba]])); | |
afe29743 KS |
1087 | } |
1088 | } |