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a178c22c KS |
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) { | |
37952415 | 172 | self.masks.clear(); |
a178c22c KS |
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 | ||
3c406629 KS |
214 | #[derive(Clone,Copy,PartialEq)] |
215 | enum QuantMode { | |
216 | ELBG, | |
217 | Hybrid, | |
218 | MedianCut, | |
219 | } | |
220 | ||
61cab15b | 221 | impl std::string::ToString for QuantMode { |
3c406629 KS |
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 | ||
a178c22c KS |
231 | struct CinepakEncoder { |
232 | stream: Option<NAStreamRef>, | |
233 | lastfrm: Option<NAVideoBufferRef<u8>>, | |
234 | pkt: Option<NAPacket>, | |
235 | frmcount: u8, | |
3c406629 KS |
236 | key_int: u8, |
237 | qmode: QuantMode, | |
a178c22c KS |
238 | quality: u8, |
239 | nstrips: usize, | |
9a57fda1 | 240 | cur_strip: usize, |
a178c22c KS |
241 | v1_entries: Vec<YUVCode>, |
242 | v4_entries: Vec<YUVCode>, | |
9a57fda1 KS |
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]>, | |
592d2889 KS |
247 | v1_len: usize, |
248 | v4_len: usize, | |
a178c22c KS |
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, | |
36ce88be | 276 | qmode: QuantMode::MedianCut, |
3c406629 | 277 | key_int: 25, |
a178c22c KS |
278 | quality: 0, |
279 | nstrips: 2, | |
9a57fda1 | 280 | cur_strip: 0, |
a178c22c KS |
281 | v1_entries: Vec::new(), |
282 | v4_entries: Vec::new(), | |
9a57fda1 KS |
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), | |
592d2889 KS |
287 | v1_len: 0, |
288 | v4_len: 0, | |
a178c22c KS |
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(); | |
37952415 KS |
306 | self.v1_entries.clear(); |
307 | self.v4_entries.clear(); | |
a178c22c KS |
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 | } | |
592d2889 | 348 | fn find_nearest(codebook: &[YUVCode], code: YUVCode) -> (u8, u32) { |
a178c22c KS |
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 | } | |
9f7faaf3 | 363 | fn can_update_cb(new_cb: &[YUVCode], old_cb: &[YUVCode], cb_size: usize) -> bool { |
a178c22c KS |
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 | } | |
9f7faaf3 KS |
370 | let full_size = cb_size * new_cb.len(); |
371 | let upd_size = cb_size * (new_cb.len() - skip_count) + (new_cb.len() + 31) / 32 * 4; | |
a178c22c KS |
372 | upd_size < full_size |
373 | } | |
9f7faaf3 | 374 | fn write_cb(bw: &mut ByteWriter, mut id: u8, new_cb: &[YUVCode], old_cb: &[YUVCode], grayscale: bool, update: bool, num_elem: usize) -> EncoderResult<()> { |
a178c22c KS |
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 { | |
9f7faaf3 | 385 | for entry in new_cb.iter().take(num_elem) { |
a178c22c KS |
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 { | |
9f7faaf3 KS |
393 | let mut end = num_elem; |
394 | for (i, (ncw, ocw)) in new_cb.iter().zip(old_cb.iter()).enumerate().take(num_elem).rev() { | |
a178c22c KS |
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 { | |
61cab15b | 441 | if !intra || !self.v1_idx.is_empty() { |
a178c22c KS |
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; | |
9a57fda1 | 461 | let cb = &self.v1_cur_cb[self.cur_strip][idx]; |
a178c22c KS |
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; | |
9a57fda1 | 489 | let cb0 = &self.v4_cur_cb[self.cur_strip][idx0]; |
a178c22c | 490 | let idx1 = *v4_iter.next().unwrap() as usize; |
9a57fda1 | 491 | let cb1 = &self.v4_cur_cb[self.cur_strip][idx1]; |
a178c22c | 492 | let idx2 = *v4_iter.next().unwrap() as usize; |
9a57fda1 | 493 | let cb2 = &self.v4_cur_cb[self.cur_strip][idx2]; |
a178c22c | 494 | let idx3 = *v4_iter.next().unwrap() as usize; |
9a57fda1 | 495 | let cb3 = &self.v4_cur_cb[self.cur_strip][idx3]; |
a178c22c KS |
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) { | |
37952415 | 533 | self.skip_dist.clear(); |
a178c22c KS |
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 | } | |
3c406629 KS |
604 | fn quant_vectors(&mut self) { |
605 | match self.qmode { | |
606 | QuantMode::ELBG => { | |
9a57fda1 KS |
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]); | |
592d2889 | 609 | |
9a57fda1 | 610 | for entry in self.v1_cb[self.cur_strip].iter_mut().skip(self.v1_len) { |
592d2889 KS |
611 | self.rng.fill_entry(entry); |
612 | } | |
9a57fda1 | 613 | for entry in self.v4_cb[self.cur_strip].iter_mut().skip(self.v4_len) { |
592d2889 KS |
614 | self.rng.fill_entry(entry); |
615 | } | |
616 | ||
9a57fda1 KS |
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]); | |
3c406629 KS |
619 | }, |
620 | QuantMode::Hybrid => { | |
9a57fda1 KS |
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]); | |
3c406629 KS |
627 | }, |
628 | QuantMode::MedianCut => { | |
9a57fda1 KS |
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]); | |
3c406629 KS |
631 | }, |
632 | }; | |
592d2889 | 633 | |
9a57fda1 KS |
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(); } | |
3c406629 | 636 | } |
a178c22c KS |
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 | ||
9a57fda1 KS |
654 | self.cur_strip = 0; |
655 | for entry in self.v1_cb[self.cur_strip].iter_mut() { | |
a178c22c KS |
656 | self.rng.fill_entry(entry); |
657 | } | |
9a57fda1 | 658 | for entry in self.v4_cb[self.cur_strip].iter_mut() { |
a178c22c KS |
659 | self.rng.fill_entry(entry); |
660 | } | |
661 | while start_line < height { | |
662 | self.read_strip(in_frm, start_line, end_line); | |
663 | ||
9a57fda1 KS |
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 | } | |
3c406629 | 668 | self.quant_vectors(); |
a178c22c | 669 | if self.grayscale { |
9a57fda1 | 670 | for cw in self.v1_cur_cb[self.cur_strip].iter_mut() { |
a178c22c KS |
671 | cw.u = 128; |
672 | cw.v = 128; | |
673 | } | |
9a57fda1 | 674 | for cw in self.v4_cur_cb[self.cur_strip].iter_mut() { |
a178c22c KS |
675 | cw.u = 128; |
676 | cw.v = 128; | |
677 | } | |
678 | } | |
679 | ||
37952415 KS |
680 | self.v1_idx.clear(); |
681 | self.v4_idx.clear(); | |
a178c22c KS |
682 | self.masks.reset(); |
683 | ||
684 | for (v1_entry, v4_entries) in self.v1_entries.iter().zip(self.v4_entries.chunks(4)) { | |
9a57fda1 | 685 | let (v1_idx, v1_dist) = Self::find_nearest(&self.v1_cur_cb[self.cur_strip][..self.v1_len], *v1_entry); |
a178c22c KS |
686 | if v1_dist == 0 { |
687 | self.masks.put_v1(); | |
688 | self.v1_idx.push(v1_idx); | |
689 | continue; | |
690 | } | |
9a57fda1 KS |
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]); | |
a178c22c KS |
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 }; | |
9f7faaf3 KS |
711 | (Self::can_update_cb(&self.v1_cur_cb[self.cur_strip][..self.v1_len], &self.v1_cb[self.cur_strip][..self.v1_len], cb_size), |
712 | Self::can_update_cb(&self.v4_cur_cb[self.cur_strip][..self.v4_len], &self.v4_cb[self.cur_strip][..self.v4_len], cb_size)) | |
a178c22c KS |
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 | ||
9f7faaf3 KS |
727 | Self::write_cb(bw, 0x20, &self.v4_cur_cb[self.cur_strip], &self.v4_cb[self.cur_strip], self.grayscale, upd_v4, self.v4_len)?; |
728 | Self::write_cb(bw, 0x22, &self.v1_cur_cb[self.cur_strip], &self.v1_cb[self.cur_strip], self.grayscale, upd_v1, self.v1_len)?; | |
a178c22c KS |
729 | |
730 | self.render_stripe(true, start_line, end_line); | |
731 | ||
61cab15b | 732 | if self.v4_idx.is_empty() { |
a178c22c | 733 | bw.write_byte(0x32)?; |
1047e983 KS |
734 | bw.write_u24be((self.v1_idx.len() + 4) as u32)?; |
735 | bw.write_buf(self.v1_idx.as_slice())?; | |
a178c22c KS |
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 | ||
9a57fda1 KS |
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]); | |
a178c22c KS |
771 | start_line = end_line; |
772 | end_line = (end_line + strip_h).min(height); | |
9a57fda1 KS |
773 | |
774 | self.cur_strip += 1; | |
a178c22c KS |
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 | ||
9a57fda1 | 796 | self.cur_strip = 0; |
a178c22c KS |
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 | ||
3c406629 | 801 | self.quant_vectors(); |
a178c22c | 802 | if self.grayscale { |
9a57fda1 | 803 | for cw in self.v1_cur_cb[self.cur_strip].iter_mut() { |
a178c22c KS |
804 | cw.u = 128; |
805 | cw.v = 128; | |
806 | } | |
9a57fda1 | 807 | for cw in self.v4_cur_cb[self.cur_strip].iter_mut() { |
a178c22c KS |
808 | cw.u = 128; |
809 | cw.v = 128; | |
810 | } | |
811 | } | |
812 | ||
37952415 KS |
813 | self.v1_idx.clear(); |
814 | self.v4_idx.clear(); | |
a178c22c KS |
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 | } | |
9a57fda1 | 824 | let (v1_idx, v1_dist) = Self::find_nearest(&self.v1_cur_cb[self.cur_strip][..self.v1_len], *v1_entry); |
a178c22c KS |
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 | } | |
9a57fda1 KS |
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]); | |
a178c22c KS |
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 }; | |
9f7faaf3 KS |
855 | (Self::can_update_cb(&self.v1_cur_cb[self.cur_strip][..self.v1_len], &self.v1_cb[self.cur_strip][..self.v1_len], cb_size), |
856 | Self::can_update_cb(&self.v4_cur_cb[self.cur_strip][..self.v4_len], &self.v4_cb[self.cur_strip][..self.v4_len], cb_size)) | |
a178c22c KS |
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 | ||
9f7faaf3 KS |
866 | Self::write_cb(bw, 0x20, &self.v4_cur_cb[self.cur_strip], &self.v4_cb[self.cur_strip], self.grayscale, upd_v4, self.v4_len)?; |
867 | Self::write_cb(bw, 0x22, &self.v1_cur_cb[self.cur_strip], &self.v1_cb[self.cur_strip], self.grayscale, upd_v1, self.v1_len)?; | |
a178c22c KS |
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)?; | |
10dedf0d | 886 | if *mask == 0 && skip { continue; } |
a178c22c KS |
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 | ||
9a57fda1 KS |
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]); | |
a178c22c KS |
914 | start_line = end_line; |
915 | end_line = (end_line + strip_h).min(height); | |
9a57fda1 KS |
916 | |
917 | self.cur_strip += 1; | |
a178c22c KS |
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 => { | |
6f263099 KS |
928 | Ok(EncodeParameters { |
929 | format: NACodecTypeInfo::Video(NAVideoInfo::new(0, 0, true, YUV420_FORMAT)), | |
930 | ..Default::default() | |
931 | }) | |
a178c22c | 932 | }, |
61cab15b | 933 | NACodecTypeInfo::Audio(_) => Err(EncoderError::FormatError), |
a178c22c KS |
934 | NACodecTypeInfo::Video(vinfo) => { |
935 | let pix_fmt = if vinfo.format == GRAY_FORMAT { GRAY_FORMAT } else { YUV420_FORMAT }; | |
4abaf99e | 936 | let outinfo = NAVideoInfo::new((vinfo.width + 3) & !3, (vinfo.height + 3) & !3, false, pix_fmt); |
d722ffe9 | 937 | let mut ofmt = *encinfo; |
a178c22c KS |
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); | |
61cab15b | 959 | let info = NACodecInfo::new("cinepak", NACodecTypeInfo::Video(out_info), None); |
a480a0de | 960 | let mut stream = NAStream::new(StreamType::Video, stream_id, info, encinfo.tb_num, encinfo.tb_den, 0); |
2ff56201 KS |
961 | stream.set_num(stream_id as usize); |
962 | let stream = stream.into_ref(); | |
a178c22c KS |
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()); | |
c8db9313 | 976 | |
a178c22c KS |
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() { | |
9a57fda1 KS |
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 | ||
a178c22c KS |
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; | |
3c406629 | 1007 | if self.frmcount == self.key_int { |
a178c22c KS |
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 | ||
3c406629 KS |
1026 | const ENCODER_OPTS: &[NAOptionDefinition] = &[ |
1027 | NAOptionDefinition { | |
ee0ca773 | 1028 | name: KEYFRAME_OPTION, description: KEYFRAME_OPTION_DESC, |
3c406629 KS |
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 | ||
a178c22c | 1038 | impl NAOptionHandler for CinepakEncoder { |
3c406629 KS |
1039 | fn get_supported_options(&self) -> &[NAOptionDefinition] { ENCODER_OPTS } |
1040 | fn set_options(&mut self, options: &[NAOption]) { | |
1041 | for option in options.iter() { | |
3c406629 KS |
1042 | for opt_def in ENCODER_OPTS.iter() { |
1043 | if opt_def.check(option).is_ok() { | |
1044 | match option.name { | |
ee0ca773 | 1045 | KEYFRAME_OPTION => { |
3c406629 KS |
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" => { | |
405cec9e KS |
1056 | if let NAValue::String(ref strval) = option.value { |
1057 | match strval.as_str() { | |
3c406629 KS |
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 { | |
8211e0aa | 1073 | KEYFRAME_OPTION => Some(NAValue::Int(i64::from(self.key_int))), |
3c406629 KS |
1074 | "nstrips" => Some(NAValue::Int(self.nstrips as i64)), |
1075 | "quant_mode" => Some(NAValue::String(self.qmode.to_string())), | |
1076 | _ => None, | |
1077 | } | |
1078 | } | |
a178c22c KS |
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(); | |
78fb6560 | 1098 | generic_register_all_decoders(&mut dec_reg); |
a178c22c KS |
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 | ||
886cde48 | 1104 | // sample: https://samples.mplayerhq.hu/V-codecs/UCOD/TalkingHead_352x288.avi |
a178c22c KS |
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, | |
6bc499a0 | 1123 | bits: 12, |
a178c22c KS |
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 | }; | |
b09ecc09 KS |
1133 | //test_encoding_to_file(&dec_config, &enc_config, enc_params, &[]); |
1134 | test_encoding_md5(&dec_config, &enc_config, enc_params, &[], | |
9f7faaf3 | 1135 | &[0x1d4690c8, 0x3b15b4b3, 0xc2df3c7b, 0x1a25b159]); |
a178c22c KS |
1136 | } |
1137 | } |