Commit | Line | Data |
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5b24175d | 1 | use nihav_core::codecs::*; |
8e4b2f44 | 2 | use nihav_core::codecs::blockdsp::*; |
5b24175d KS |
3 | |
4 | #[derive(Clone,Copy,Debug,PartialEq)] | |
5 | #[allow(dead_code)] | |
6 | pub enum VPMBType { | |
7 | Intra, | |
8 | InterNoMV, | |
9 | InterMV, | |
10 | InterNearest, | |
11 | InterNear, | |
12 | InterFourMV, | |
13 | GoldenNoMV, | |
14 | GoldenMV, | |
15 | GoldenNearest, | |
16 | GoldenNear, | |
17 | } | |
18 | ||
3584b223 KS |
19 | pub const VP_REF_INTER: u8 = 1; |
20 | pub const VP_REF_GOLDEN: u8 = 2; | |
21 | ||
5b24175d KS |
22 | #[allow(dead_code)] |
23 | impl VPMBType { | |
24 | pub fn is_intra(self) -> bool { self == VPMBType::Intra } | |
25 | pub fn get_ref_id(self) -> u8 { | |
26 | match self { | |
27 | VPMBType::Intra => 0, | |
28 | VPMBType::InterNoMV | | |
29 | VPMBType::InterMV | | |
30 | VPMBType::InterNearest | | |
31 | VPMBType::InterNear | | |
3584b223 KS |
32 | VPMBType::InterFourMV => VP_REF_INTER, |
33 | _ => VP_REF_GOLDEN, | |
5b24175d KS |
34 | } |
35 | } | |
36 | } | |
37 | ||
38 | impl Default for VPMBType { | |
39 | fn default() -> Self { VPMBType::Intra } | |
40 | } | |
41 | ||
42 | #[derive(Default)] | |
43 | pub struct VPShuffler { | |
44 | lastframe: Option<NAVideoBufferRef<u8>>, | |
45 | goldframe: Option<NAVideoBufferRef<u8>>, | |
46 | } | |
47 | ||
48 | impl VPShuffler { | |
49 | pub fn new() -> Self { VPShuffler { lastframe: None, goldframe: None } } | |
50 | pub fn clear(&mut self) { self.lastframe = None; self.goldframe = None; } | |
51 | pub fn add_frame(&mut self, buf: NAVideoBufferRef<u8>) { | |
52 | self.lastframe = Some(buf); | |
53 | } | |
54 | pub fn add_golden_frame(&mut self, buf: NAVideoBufferRef<u8>) { | |
55 | self.goldframe = Some(buf); | |
56 | } | |
57 | pub fn get_last(&mut self) -> Option<NAVideoBufferRef<u8>> { | |
58 | if let Some(ref frm) = self.lastframe { | |
59 | Some(frm.clone()) | |
60 | } else { | |
61 | None | |
62 | } | |
63 | } | |
64 | pub fn get_golden(&mut self) -> Option<NAVideoBufferRef<u8>> { | |
65 | if let Some(ref frm) = self.goldframe { | |
66 | Some(frm.clone()) | |
67 | } else { | |
68 | None | |
69 | } | |
70 | } | |
71 | } | |
72 | ||
3f67638d KS |
73 | pub const VP56_COEF_BASE: [i16; 6] = [ 5, 7, 11, 19, 35, 67 ]; |
74 | pub const VP56_COEF_ADD_PROBS: [[u8; 12]; 6] = [ | |
75 | [ 159, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ], | |
76 | [ 165, 145, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0 ], | |
77 | [ 173, 148, 140, 128, 0, 0, 0, 0, 0, 0, 0, 0 ], | |
78 | [ 176, 155, 140, 135, 128, 0, 0, 0, 0, 0, 0, 0 ], | |
79 | [ 180, 157, 141, 134, 130, 128, 0, 0, 0, 0, 0, 0 ], | |
80 | [ 254, 254, 243, 230, 196, 177, 153, 140, 133, 130, 129, 128 ], | |
81 | ]; | |
82 | ||
3584b223 KS |
83 | #[allow(dead_code)] |
84 | pub struct BoolCoder<'a> { | |
85 | pub src: &'a [u8], | |
86 | pos: usize, | |
87 | value: u32, | |
88 | range: u32, | |
89 | bits: i32, | |
90 | } | |
91 | ||
92 | #[allow(dead_code)] | |
93 | impl<'a> BoolCoder<'a> { | |
94 | pub fn new(src: &'a [u8]) -> DecoderResult<Self> { | |
95 | if src.len() < 3 { return Err(DecoderError::ShortData); } | |
96 | let value = ((src[0] as u32) << 24) | ((src[1] as u32) << 16) | ((src[2] as u32) << 8) | (src[3] as u32); | |
97 | Ok(Self { src, pos: 4, value, range: 255, bits: 8 }) | |
98 | } | |
99 | pub fn read_bool(&mut self) -> bool { | |
100 | self.read_prob(128) | |
101 | } | |
102 | pub fn read_prob(&mut self, prob: u8) -> bool { | |
103 | self.renorm(); | |
104 | let split = 1 + (((self.range - 1) * (prob as u32)) >> 8); | |
105 | let bit; | |
106 | if self.value < (split << 24) { | |
107 | self.range = split; | |
108 | bit = false; | |
109 | } else { | |
110 | self.range -= split; | |
111 | self.value -= split << 24; | |
112 | bit = true; | |
113 | } | |
114 | bit | |
115 | } | |
116 | pub fn read_bits(&mut self, bits: u8) -> u32 { | |
117 | let mut val = 0u32; | |
118 | for _ in 0..bits { | |
119 | val = (val << 1) | (self.read_prob(128) as u32); | |
120 | } | |
121 | val | |
122 | } | |
123 | pub fn read_probability(&mut self) -> u8 { | |
124 | let val = self.read_bits(7) as u8; | |
125 | if val == 0 { | |
126 | 1 | |
127 | } else { | |
128 | val << 1 | |
129 | } | |
130 | } | |
131 | fn renorm(&mut self) { | |
132 | let shift = self.range.leading_zeros() & 7; | |
133 | self.range <<= shift; | |
134 | self.value <<= shift; | |
135 | self.bits -= shift as i32; | |
136 | if (self.bits <= 0) && (self.pos < self.src.len()) { | |
137 | self.value |= (self.src[self.pos] as u32) << (-self.bits as u8); | |
138 | self.pos += 1; | |
139 | self.bits += 8; | |
140 | } | |
141 | /* while self.range < 0x80 { | |
142 | self.range <<= 1; | |
143 | self.value <<= 1; | |
144 | self.bits -= 1; | |
145 | if (self.bits <= 0) && (self.pos < self.src.len()) { | |
146 | self.value |= self.src[self.pos] as u32; | |
147 | self.pos += 1; | |
148 | self.bits = 8; | |
149 | } | |
150 | }*/ | |
151 | } | |
152 | pub fn skip_bytes(&mut self, nbytes: usize) { | |
153 | for _ in 0..nbytes { | |
154 | self.value <<= 8; | |
155 | if self.pos < self.src.len() { | |
156 | self.value |= self.src[self.pos] as u32; | |
157 | self.pos += 1; | |
158 | } | |
159 | } | |
160 | } | |
161 | } | |
162 | ||
163 | #[allow(dead_code)] | |
164 | pub fn rescale_prob(prob: u8, weights: &[i16; 2], maxval: i32) -> u8 { | |
165 | ((((prob as i32) * (weights[0] as i32) + 128) >> 8) + (weights[1] as i32)).min(maxval).max(1) as u8 | |
166 | } | |
167 | ||
168 | #[macro_export] | |
169 | macro_rules! vp_tree { | |
170 | ($bc: expr, $prob: expr, $node1: expr, $node2: expr) => { | |
171 | if !$bc.read_prob($prob) { | |
172 | $node1 | |
173 | } else { | |
174 | $node2 | |
175 | } | |
176 | }; | |
177 | ($leaf: expr) => { $leaf } | |
178 | } | |
179 | ||
5b24175d KS |
180 | const C1S7: i32 = 64277; |
181 | const C2S6: i32 = 60547; | |
182 | const C3S5: i32 = 54491; | |
183 | const C4S4: i32 = 46341; | |
184 | const C5S3: i32 = 36410; | |
185 | const C6S2: i32 = 25080; | |
186 | const C7S1: i32 = 12785; | |
187 | ||
188 | fn mul16(a: i32, b: i32) -> i32 { | |
189 | (a * b) >> 16 | |
190 | } | |
191 | ||
192 | macro_rules! idct_step { | |
193 | ($s0:expr, $s1:expr, $s2:expr, $s3:expr, $s4:expr, $s5:expr, $s6:expr, $s7:expr, | |
194 | $d0:expr, $d1:expr, $d2:expr, $d3:expr, $d4:expr, $d5:expr, $d6:expr, $d7:expr, | |
195 | $bias:expr, $shift:expr, $otype:ty) => { | |
196 | let t_a = mul16(C1S7, i32::from($s1)) + mul16(C7S1, i32::from($s7)); | |
197 | let t_b = mul16(C7S1, i32::from($s1)) - mul16(C1S7, i32::from($s7)); | |
198 | let t_c = mul16(C3S5, i32::from($s3)) + mul16(C5S3, i32::from($s5)); | |
199 | let t_d = mul16(C3S5, i32::from($s5)) - mul16(C5S3, i32::from($s3)); | |
200 | let t_a1 = mul16(C4S4, t_a - t_c); | |
201 | let t_b1 = mul16(C4S4, t_b - t_d); | |
202 | let t_c = t_a + t_c; | |
203 | let t_d = t_b + t_d; | |
204 | let t_e = mul16(C4S4, i32::from($s0 + $s4)) + $bias; | |
205 | let t_f = mul16(C4S4, i32::from($s0 - $s4)) + $bias; | |
206 | let t_g = mul16(C2S6, i32::from($s2)) + mul16(C6S2, i32::from($s6)); | |
207 | let t_h = mul16(C6S2, i32::from($s2)) - mul16(C2S6, i32::from($s6)); | |
208 | let t_e1 = t_e - t_g; | |
209 | let t_g = t_e + t_g; | |
210 | let t_a = t_f + t_a1; | |
211 | let t_f = t_f - t_a1; | |
212 | let t_b = t_b1 - t_h; | |
213 | let t_h = t_b1 + t_h; | |
214 | ||
215 | $d0 = ((t_g + t_c) >> $shift) as $otype; | |
216 | $d7 = ((t_g - t_c) >> $shift) as $otype; | |
217 | $d1 = ((t_a + t_h) >> $shift) as $otype; | |
218 | $d2 = ((t_a - t_h) >> $shift) as $otype; | |
219 | $d3 = ((t_e1 + t_d) >> $shift) as $otype; | |
220 | $d4 = ((t_e1 - t_d) >> $shift) as $otype; | |
221 | $d5 = ((t_f + t_b) >> $shift) as $otype; | |
222 | $d6 = ((t_f - t_b) >> $shift) as $otype; | |
223 | } | |
224 | } | |
225 | ||
226 | pub fn vp_idct(coeffs: &mut [i16; 64]) { | |
227 | let mut tmp = [0i32; 64]; | |
228 | for (src, dst) in coeffs.chunks(8).zip(tmp.chunks_mut(8)) { | |
229 | idct_step!(src[0], src[1], src[2], src[3], src[4], src[5], src[6], src[7], | |
230 | dst[0], dst[1], dst[2], dst[3], dst[4], dst[5], dst[6], dst[7], 0, 0, i32); | |
231 | } | |
232 | let src = &tmp; | |
233 | let dst = coeffs; | |
234 | for i in 0..8 { | |
235 | idct_step!(src[0 * 8 + i], src[1 * 8 + i], src[2 * 8 + i], src[3 * 8 + i], | |
236 | src[4 * 8 + i], src[5 * 8 + i], src[6 * 8 + i], src[7 * 8 + i], | |
237 | dst[0 * 8 + i], dst[1 * 8 + i], dst[2 * 8 + i], dst[3 * 8 + i], | |
238 | dst[4 * 8 + i], dst[5 * 8 + i], dst[6 * 8 + i], dst[7 * 8 + i], 8, 4, i16); | |
239 | } | |
240 | } | |
241 | ||
242 | pub fn vp_idct_dc(coeffs: &mut [i16; 64]) { | |
243 | let dc = ((mul16(C4S4, mul16(C4S4, i32::from(coeffs[0]))) + 8) >> 4) as i16; | |
244 | for i in 0..64 { | |
245 | coeffs[i] = dc; | |
246 | } | |
247 | } | |
248 | ||
249 | pub fn unquant(coeffs: &mut [i16; 64], qmat: &[i16; 64]) { | |
250 | for i in 1..64 { | |
251 | coeffs[i] = coeffs[i].wrapping_mul(qmat[i]); | |
252 | } | |
253 | } | |
254 | ||
255 | pub fn vp_put_block(coeffs: &mut [i16; 64], bx: usize, by: usize, plane: usize, frm: &mut NASimpleVideoFrame<u8>) { | |
256 | vp_idct(coeffs); | |
257 | let mut off = frm.offset[plane] + bx * 8 + by * 8 * frm.stride[plane]; | |
258 | for y in 0..8 { | |
259 | for x in 0..8 { | |
260 | frm.data[off + x] = (coeffs[x + y * 8] + 128).min(255).max(0) as u8; | |
261 | } | |
262 | off += frm.stride[plane]; | |
263 | } | |
264 | } | |
265 | ||
3584b223 KS |
266 | pub fn vp_put_block_ilace(coeffs: &mut [i16; 64], bx: usize, by: usize, plane: usize, frm: &mut NASimpleVideoFrame<u8>) { |
267 | vp_idct(coeffs); | |
268 | let mut off = frm.offset[plane] + bx * 8 + ((by & !1) * 8 + (by & 1)) * frm.stride[plane]; | |
269 | for y in 0..8 { | |
270 | for x in 0..8 { | |
271 | frm.data[off + x] = (coeffs[x + y * 8] + 128).min(255).max(0) as u8; | |
272 | } | |
273 | off += frm.stride[plane] * 2; | |
274 | } | |
275 | } | |
276 | ||
5b24175d KS |
277 | pub fn vp_put_block_dc(coeffs: &mut [i16; 64], bx: usize, by: usize, plane: usize, frm: &mut NASimpleVideoFrame<u8>) { |
278 | vp_idct_dc(coeffs); | |
279 | let dc = (coeffs[0] + 128).min(255).max(0) as u8; | |
280 | let mut off = frm.offset[plane] + bx * 8 + by * 8 * frm.stride[plane]; | |
281 | for _ in 0..8 { | |
282 | for x in 0..8 { | |
283 | frm.data[off + x] = dc; | |
284 | } | |
285 | off += frm.stride[plane]; | |
286 | } | |
287 | } | |
288 | ||
289 | pub fn vp_add_block(coeffs: &mut [i16; 64], bx: usize, by: usize, plane: usize, frm: &mut NASimpleVideoFrame<u8>) { | |
290 | vp_idct(coeffs); | |
291 | let mut off = frm.offset[plane] + bx * 8 + by * 8 * frm.stride[plane]; | |
292 | for y in 0..8 { | |
293 | for x in 0..8 { | |
294 | frm.data[off + x] = (coeffs[x + y * 8] + (frm.data[off + x] as i16)).min(255).max(0) as u8; | |
295 | } | |
296 | off += frm.stride[plane]; | |
297 | } | |
298 | } | |
299 | ||
3584b223 KS |
300 | pub fn vp_add_block_ilace(coeffs: &mut [i16; 64], bx: usize, by: usize, plane: usize, frm: &mut NASimpleVideoFrame<u8>) { |
301 | vp_idct(coeffs); | |
302 | let mut off = frm.offset[plane] + bx * 8 + ((by & !1) * 8 + (by & 1)) * frm.stride[plane]; | |
303 | for y in 0..8 { | |
304 | for x in 0..8 { | |
305 | frm.data[off + x] = (coeffs[x + y * 8] + (frm.data[off + x] as i16)).min(255).max(0) as u8; | |
306 | } | |
307 | off += frm.stride[plane] * 2; | |
308 | } | |
309 | } | |
310 | ||
5b24175d KS |
311 | pub fn vp_add_block_dc(coeffs: &mut [i16; 64], bx: usize, by: usize, plane: usize, frm: &mut NASimpleVideoFrame<u8>) { |
312 | vp_idct_dc(coeffs); | |
313 | let dc = coeffs[0]; | |
314 | let mut off = frm.offset[plane] + bx * 8 + by * 8 * frm.stride[plane]; | |
315 | for _ in 0..8 { | |
316 | for x in 0..8 { | |
317 | frm.data[off + x] = (dc + (frm.data[off + x] as i16)).min(255).max(0) as u8; | |
318 | } | |
319 | off += frm.stride[plane]; | |
320 | } | |
321 | } | |
8d8ddfe1 KS |
322 | |
323 | pub fn vp31_loop_filter(data: &mut [u8], mut off: usize, step: usize, stride: usize, | |
324 | len: usize, loop_str: i16) { | |
325 | for _ in 0..len { | |
326 | let a = data[off - step * 2] as i16; | |
327 | let b = data[off - step] as i16; | |
328 | let c = data[off] as i16; | |
329 | let d = data[off + step] as i16; | |
330 | let mut diff = ((a - d) + 3 * (c - b) + 4) >> 3; | |
331 | if diff.abs() >= 2 * loop_str { | |
332 | diff = 0; | |
333 | } else if diff.abs() >= loop_str { | |
334 | if diff < 0 { | |
335 | diff = -diff - 2 * loop_str; | |
336 | } else { | |
337 | diff = -diff + 2 * loop_str; | |
338 | } | |
339 | } | |
340 | if diff != 0 { | |
341 | data[off - step] = (b + diff).max(0).min(255) as u8; | |
342 | data[off] = (c - diff).max(0).min(255) as u8; | |
343 | } | |
344 | ||
345 | off += stride; | |
346 | } | |
347 | } | |
348 | ||
8e4b2f44 KS |
349 | pub fn vp_copy_block(dst: &mut NASimpleVideoFrame<u8>, src: NAVideoBufferRef<u8>, comp: usize, |
350 | dx: usize, dy: usize, mv_x: i16, mv_y: i16, | |
351 | preborder: usize, postborder: usize, loop_str: i16, | |
352 | mode: usize, interp: &[BlkInterpFunc], mut mc_buf: NAVideoBufferRef<u8>) | |
353 | { | |
354 | let sx = (dx as isize) + (mv_x as isize); | |
355 | let sy = (dy as isize) + (mv_y as isize); | |
356 | if ((sx | sy) & 7) == 0 { | |
357 | copy_block(dst, src, comp, dx, dy, mv_x, mv_y, 8, 8, preborder, postborder, mode, interp); | |
358 | return; | |
359 | } | |
360 | let pre = preborder.max(2); | |
361 | let post = postborder.max(1); | |
362 | let bsize = 8 + pre + post; | |
363 | let src_x = sx - (pre as isize); | |
364 | let src_y = sy - (pre as isize); | |
365 | { | |
366 | let mut tmp_buf = NASimpleVideoFrame::from_video_buf(&mut mc_buf).unwrap(); | |
367 | copy_block(&mut tmp_buf, src, comp, 0, 0, src_x as i16, src_y as i16, | |
368 | bsize, bsize, 0, 0, 0, interp); | |
369 | if (sy & 7) != 0 { | |
370 | let foff = (8 - (sy & 7)) as usize; | |
371 | let off = (pre + foff) * tmp_buf.stride[comp]; | |
372 | vp31_loop_filter(tmp_buf.data, off, tmp_buf.stride[comp], 1, bsize, loop_str); | |
373 | } | |
374 | if (sx & 7) != 0 { | |
375 | let foff = (8 - (sx & 7)) as usize; | |
376 | let off = pre + foff; | |
377 | vp31_loop_filter(tmp_buf.data, off, 1, tmp_buf.stride[comp], bsize, loop_str); | |
378 | } | |
379 | } | |
380 | let dxoff = (pre as i16) - (dx as i16); | |
381 | let dyoff = (pre as i16) - (dy as i16); | |
382 | copy_block(dst, mc_buf, comp, dx, dy, dxoff, dyoff, 8, 8, preborder, postborder, 0/* mode*/, interp); | |
383 | } | |
3584b223 KS |
384 | |
385 | fn vp3_interp00(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, bw: usize, bh: usize) | |
386 | { | |
387 | let mut didx = 0; | |
388 | let mut sidx = 0; | |
389 | for _ in 0..bh { | |
390 | for x in 0..bw { dst[didx + x] = src[sidx + x]; } | |
391 | didx += dstride; | |
392 | sidx += sstride; | |
393 | } | |
394 | } | |
395 | ||
396 | fn vp3_interp01(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, bw: usize, bh: usize) | |
397 | { | |
398 | let mut didx = 0; | |
399 | let mut sidx = 0; | |
400 | for _ in 0..bh { | |
401 | for x in 0..bw { dst[didx + x] = (((src[sidx + x] as u16) + (src[sidx + x + 1] as u16)) >> 1) as u8; } | |
402 | didx += dstride; | |
403 | sidx += sstride; | |
404 | } | |
405 | } | |
406 | ||
407 | fn vp3_interp10(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, bw: usize, bh: usize) | |
408 | { | |
409 | let mut didx = 0; | |
410 | let mut sidx = 0; | |
411 | for _ in 0..bh { | |
412 | for x in 0..bw { dst[didx + x] = (((src[sidx + x] as u16) + (src[sidx + x + sstride] as u16)) >> 1) as u8; } | |
413 | didx += dstride; | |
414 | sidx += sstride; | |
415 | } | |
416 | } | |
417 | ||
418 | fn vp3_interp11(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, bw: usize, bh: usize) | |
419 | { | |
420 | let mut didx = 0; | |
421 | let mut sidx = 0; | |
422 | for _ in 0..bh { | |
423 | for x in 0..bw { | |
424 | dst[didx + x] = (((src[sidx + x] as u16) + | |
425 | (src[sidx + x + 1] as u16) + | |
426 | (src[sidx + x + sstride] as u16) + | |
427 | (src[sidx + x + sstride + 1] as u16)) >> 2) as u8; | |
428 | } | |
429 | didx += dstride; | |
430 | sidx += sstride; | |
431 | } | |
432 | } | |
433 | ||
434 | pub const VP3_INTERP_FUNCS: &[blockdsp::BlkInterpFunc] = &[ vp3_interp00, vp3_interp01, vp3_interp10, vp3_interp11 ]; | |
435 |