]> git.nihav.org Git - nihav.git/blame - nihav-duck/src/codecs/vp5.rs
make audio decoder tests write .wav files only by request
[nihav.git] / nihav-duck / src / codecs / vp5.rs
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3584b223
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1use nihav_core::codecs::*;
2use nihav_core::io::bitreader::*;
3use super::vpcommon::*;
4use super::vp56::*;
5
6struct VP5BR {}
7
8impl VP5BR {
9 fn new() -> Self {
10 Self {}
11 }
12}
13
14impl VP56Parser for VP5BR {
15 fn parse_header(&mut self, bc: &mut BoolCoder) -> DecoderResult<VP56Header> {
16 let mut hdr = VP56Header::default();
17 hdr.is_intra = !bc.read_bool();
18 hdr.is_golden = hdr.is_intra;
19 bc.read_bool();
20 hdr.quant = bc.read_bits(6) as u8;
21 if hdr.is_intra {
22 hdr.version = bc.read_bits(13) as u8;
23 validate!(hdr.version == 5);
24 hdr.profile = bc.read_bits(2) as u8;
25 hdr.interlaced = bc.read_bool();
26 validate!(!hdr.interlaced);
27 hdr.mb_h = bc.read_bits(8) as u8;
28 hdr.mb_w = bc.read_bits(8) as u8;
29 hdr.disp_h = bc.read_bits(8) as u8;
30 hdr.disp_w = bc.read_bits(8) as u8;
31 validate!((hdr.mb_h > 0) && (hdr.mb_w > 0) && (hdr.disp_w > 0) && (hdr.disp_h > 0));
32 validate!((hdr.disp_w <= hdr.mb_w) && (hdr.disp_h <= hdr.mb_h));
33 hdr.scale = bc.read_bits(2) as u8;
34 }
35
36 Ok(hdr)
37 }
38 fn decode_mv(&self, bc: &mut BoolCoder, model: &VP56MVModel) -> i16 {
39 if bc.read_prob(model.nz_prob) {
40 let sign = bc.read_prob(model.sign_prob);
41 let b0 = bc.read_prob(model.raw_probs[0]) as i16;
42 let b1 = bc.read_prob(model.raw_probs[1]) as i16;
43 let top: i16 = vp_tree!(bc, model.tree_probs[0],
44 vp_tree!(bc, model.tree_probs[1],
45 vp_tree!(bc, model.tree_probs[2], 0, 1),
46 vp_tree!(bc, model.tree_probs[3], 2, 3)
47 ),
48 vp_tree!(bc, model.tree_probs[4],
49 vp_tree!(bc, model.tree_probs[5], 4, 5),
50 vp_tree!(bc, model.tree_probs[6], 6, 7)
51 )
52 );
53 let val = (top << 2) | (b1 << 1) | b0;
54 if !sign {
55 val
56 } else {
57 -val
58 }
59 } else {
60 0
61 }
62 }
63 fn reset_models(&self, models: &mut VP56Models) {
64 for mdl in models.mv_models.iter_mut() {
65 mdl.nz_prob = 128;
66 mdl.sign_prob = 128;
67 mdl.raw_probs[0] = 85;
68 mdl.raw_probs[1] = 128;
69 mdl.tree_probs = [128; 7];
70 }
71 }
72 fn decode_mv_models(&self, bc: &mut BoolCoder, models: &mut [VP56MVModel; 2]) -> DecoderResult<()> {
73 const HAS_NZ_PROB: [u8; 2] = [ 243, 235 ];
74 const HAS_SIGN_PROB: [u8; 2] = [ 220, 211 ];
75 const HAS_RAW0_PROB: [u8; 2] = [ 251, 246 ];
76 const HAS_RAW1_PROB: [u8; 2] = [ 253, 249 ];
77 const HAS_TREE_PROB: [[u8; 7]; 2] = [
78 [ 237, 232, 241, 245, 247, 251, 253 ],
79 [ 234, 231, 248, 249, 252, 252, 254 ]
80 ];
81 for comp in 0..2 {
82 if bc.read_prob(HAS_NZ_PROB[comp]) {
83 models[comp].nz_prob = bc.read_probability();
84 }
85 if bc.read_prob(HAS_SIGN_PROB[comp]) {
86 models[comp].sign_prob = bc.read_probability();
87 }
88 if bc.read_prob(HAS_RAW0_PROB[comp]) {
89 models[comp].raw_probs[0] = bc.read_probability();
90 }
91 if bc.read_prob(HAS_RAW1_PROB[comp]) {
92 models[comp].raw_probs[1] = bc.read_probability();
93 }
94 }
95 for comp in 0..2 {
96 for i in 0..7 {
97 if bc.read_prob(HAS_TREE_PROB[comp][i]) {
98 models[comp].tree_probs[i] = bc.read_probability();
99 }
100 }
101 }
102 Ok(())
103 }
104 fn decode_coeff_models(&self, bc: &mut BoolCoder, models: &mut VP56Models, is_intra: bool) -> DecoderResult<()> {
105 const COEF_PROBS: [[u8; 11]; 2] = [
106 [ 146, 197, 181, 207, 232, 243, 238, 251, 244, 250, 249 ],
107 [ 179, 219, 214, 240, 250, 254, 244, 254, 254, 254, 254 ]
108 ];
109
110 let mut def_prob = [128u8; 11];
111 for plane in 0..2 {
112 for i in 0..11 {
113 if bc.read_prob(COEF_PROBS[plane][i]) {
114 def_prob[i] = bc.read_probability();
115 models.coeff_models[plane].dc_value_probs[i] = def_prob[i];
116 } else if is_intra {
117 models.coeff_models[plane].dc_value_probs[i] = def_prob[i];
118 }
119 }
120 }
121 for ctype in 0..3 {
122 for plane in 0..2 {
123 for group in 0..6 {
124 for i in 0..11 {
125 if bc.read_prob(VP5_AC_PROBS[ctype][plane][group][i]) {
126 def_prob[i] = bc.read_probability();
127 models.coeff_models[plane].ac_val_probs[ctype][group][i] = def_prob[i];
128 } else if is_intra {
129 models.coeff_models[plane].ac_val_probs[ctype][group][i] = def_prob[i];
130 }
131 }
132 }
133 }
134 }
135 for plane in 0..2 {
136 let mdl = &mut models.coeff_models[plane];
137 for i in 0..6 {
138 for j in 0..6 {
139 for k in 0..5 {
140 mdl.dc_token_probs[i][j][k] = rescale_prob(mdl.dc_value_probs[k], &VP5_DC_WEIGHTS[k][i][j], 254);
141 }
142 }
143 }
144 for ctype in 0..3 {
145 for group in 0..3 {
146 for i in 0..6 {
147 for j in 0..5 {
148 mdl.ac_type_probs[ctype][group][i][j] = rescale_prob(mdl.ac_val_probs[ctype][group][j], &VP5_AC_WEIGHTS[ctype][group][j][i], 254);
149 }
150 }
151 }
152 }
153 }
154 Ok(())
155 }
156 fn decode_block(&self, bc: &mut BoolCoder, coeffs: &mut [i16; 64], model: &VP56CoeffModel, _vp6model: &VP6Models, fstate: &mut FrameState) -> DecoderResult<()> {
157 const COEF_GROUPS: [u8; 64] = [
158 0, 0, 1, 1, 2, 1, 1, 2,
159 2, 1, 1, 2, 2, 2, 1, 2,
160 2, 2, 2, 2, 1, 1, 2, 2,
161 3, 3, 4, 3, 4, 4, 4, 3,
162 3, 3, 3, 3, 4, 3, 3, 3,
163 4, 4, 4, 4, 4, 3, 3, 4,
164 4, 4, 3, 4, 4, 4, 4, 4,
165 4, 4, 5, 5, 5, 5, 5, 5
166 ];
167
168 let mut ctype = 1;
169 let left_ctx = fstate.coeff_cat[fstate.ctx_idx][0] as usize;
170 let top_ctx = fstate.top_ctx as usize;
171
172 let mut val_probs: &[u8; 11] = &model.dc_value_probs;
173 let mut tok_probs: &[u8] = &model.dc_token_probs[left_ctx][top_ctx];
174 let mut idx = 0;
175 loop {
176 let token = vp_tree!(bc, tok_probs[0],
177 if ctype != 0 { vp_tree!(bc, tok_probs[1], break, 0) } else { 0 },
178 vp_tree!(bc, tok_probs[2],
179 1,
180 vp_tree!(bc, tok_probs[3],
181 vp_tree!(bc, tok_probs[4], 2,
182 vp_tree!(bc, val_probs[5], 3, 4)),
183 TOKEN_LARGE)));
184 let val = expand_token_bc(bc, val_probs, token, 5);
185 ctype = token.min(2) as usize;
186 if token < TOKEN_LARGE {
187 fstate.coeff_cat[fstate.ctx_idx][idx] = token.min(3);
188 } else {
189 fstate.coeff_cat[fstate.ctx_idx][idx] = 4;
190 }
191 coeffs[ZIGZAG[idx]] = val;
192 if idx > 0 {
193 coeffs[ZIGZAG[idx]] *= fstate.ac_quant;
194 }
195
196 idx += 1;
197 if idx >= 64 {
198 break;
199 }
200 let group = COEF_GROUPS[idx] as usize;
201 val_probs = &model.ac_val_probs[ctype][group];
202 tok_probs = if group > 2 { val_probs
203 } else {
204 let ctx = fstate.coeff_cat[fstate.ctx_idx][idx] as usize;
205 &model.ac_type_probs[ctype][group][ctx]
206 };
207 }
208 let end = fstate.last_idx[fstate.ctx_idx].min(24);
209 fstate.last_idx[fstate.ctx_idx] = idx;
210 for i in idx..end {
211 fstate.coeff_cat[fstate.ctx_idx][i] = 5;
212 }
213 fstate.top_ctx = fstate.coeff_cat[fstate.ctx_idx][0];
214
215 Ok(())
216 }
217 fn decode_block_huff(&self, _br: &mut BitReader, _coeffs: &mut [i16; 64], _vp6model: &VP6Models, _model: &VP6HuffModels, _fstate: &mut FrameState) -> DecoderResult<()> {
218 unreachable!();
219 }
220 fn mc_block(&self, dst: &mut NASimpleVideoFrame<u8>, mc_buf: NAVideoBufferRef<u8>, src: NAVideoBufferRef<u8>, plane: usize, x: usize, y: usize, mv: MV, loop_str: i16) {
221 let (sx, sy, mx, my) = if (plane != 1) && (plane != 2) {
222 (mv.x / 2, mv.y / 2, mv.x & 1, mv.y & 1)
223 } else {
224 (mv.x / 4, mv.y / 4, (mv.x >> 1) & 1, (mv.y >> 1) & 1)
225 };
226 let mode = (mx as usize) + (my as usize) * 2;
227 vp_copy_block(dst, src, plane, x, y, sx, sy, 0, 1, loop_str,
228 mode, VP3_INTERP_FUNCS, mc_buf);
229 }
230}
231
232struct VP5Decoder {
233 dec: VP56Decoder,
234 info: NACodecInfoRef,
235 br: VP5BR,
236}
237
238impl VP5Decoder {
239 fn new() -> Self {
240 Self {
241 dec: VP56Decoder::new(5, false, true),
242 info: NACodecInfoRef::default(),
243 br: VP5BR::new(),
244 }
245 }
246}
247
248impl NADecoder for VP5Decoder {
249 fn init(&mut self, supp: &mut NADecoderSupport, info: NACodecInfoRef) -> DecoderResult<()> {
250 if let NACodecTypeInfo::Video(vinfo) = info.get_properties() {
251 let myvinfo = NAVideoInfo::new(vinfo.get_width(), vinfo.get_height(), false, YUV420_FORMAT);
252 let myinfo = NACodecTypeInfo::Video(myvinfo.clone());
253 self.info = NACodecInfo::new_ref(info.get_name(), myinfo, info.get_extradata()).into_ref();
254 self.dec.init(supp, myvinfo)?;
255 Ok(())
256 } else {
257 Err(DecoderError::InvalidData)
258 }
259 }
260 fn decode(&mut self, supp: &mut NADecoderSupport, pkt: &NAPacket) -> DecoderResult<NAFrameRef> {
261 let src = pkt.get_buffer();
262
263 let (bufinfo, ftype) = self.dec.decode_frame(supp, src.as_slice(), &mut self.br)?;
264
265 let mut frm = NAFrame::new_from_pkt(pkt, self.info.clone(), bufinfo);
266 frm.set_keyframe(ftype == FrameType::I);
267 frm.set_frame_type(ftype);
268 Ok(frm.into_ref())
269 }
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270 fn flush(&mut self) {
271 self.dec.flush();
272 }
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273}
274
275pub fn get_decoder() -> Box<NADecoder> {
276 Box::new(VP5Decoder::new())
277}
278
279#[cfg(test)]
280mod test {
281 use nihav_core::codecs::RegisteredDecoders;
282 use nihav_core::demuxers::RegisteredDemuxers;
283 use nihav_core::test::dec_video::*;
284 use crate::codecs::duck_register_all_codecs;
285 use nihav_commonfmt::demuxers::generic_register_all_demuxers;
286
287 #[test]
288 fn test_vp5() {
289 let mut dmx_reg = RegisteredDemuxers::new();
290 generic_register_all_demuxers(&mut dmx_reg);
291 let mut dec_reg = RegisteredDecoders::new();
292 duck_register_all_codecs(&mut dec_reg);
293
294 let file = "assets/Duck/Cell-140.vp5";
295 //let file = "assets/Duck/Chocolat-500.vp5";
296 test_file_decoding("avi", file, Some(13), true, false, None/*Some("vp5")*/, &dmx_reg, &dec_reg);
297//panic!("end");
298 }
299}
300
301const VP5_AC_PROBS: [[[[u8; 11]; 6]; 2]; 3] = [
302 [
303 [
304 [ 227, 246, 230, 247, 244, 254, 254, 254, 254, 254, 254 ],
305 [ 202, 254, 209, 231, 231, 249, 249, 253, 254, 254, 254 ],
306 [ 206, 254, 225, 242, 241, 251, 253, 254, 254, 254, 254 ],
307 [ 235, 254, 241, 253, 252, 254, 254, 254, 254, 254, 254 ],
308 [ 234, 254, 248, 254, 254, 254, 254, 254, 254, 254, 254 ],
309 [ 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254 ]
310 ], [
311 [ 240, 254, 248, 254, 254, 254, 254, 254, 254, 254, 254 ],
312 [ 238, 254, 240, 253, 254, 254, 254, 254, 254, 254, 254 ],
313 [ 244, 254, 251, 254, 254, 254, 254, 254, 254, 254, 254 ],
314 [ 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254 ],
315 [ 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254 ],
316 [ 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254 ]
317 ]
318 ], [
319 [
320 [ 206, 203, 227, 239, 247, 254, 253, 254, 254, 254, 254 ],
321 [ 207, 199, 220, 236, 243, 252, 252, 254, 254, 254, 254 ],
322 [ 212, 219, 230, 243, 244, 253, 252, 254, 254, 254, 254 ],
323 [ 236, 237, 247, 252, 253, 254, 254, 254, 254, 254, 254 ],
324 [ 240, 240, 248, 254, 254, 254, 254, 254, 254, 254, 254 ],
325 [ 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254 ]
326 ], [
327 [ 230, 233, 249, 254, 254, 254, 254, 254, 254, 254, 254 ],
328 [ 238, 238, 250, 254, 254, 254, 254, 254, 254, 254, 254 ],
329 [ 248, 251, 254, 254, 254, 254, 254, 254, 254, 254, 254 ],
330 [ 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254 ],
331 [ 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254 ],
332 [ 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254 ]
333 ]
334 ], [
335 [
336 [ 225, 239, 227, 231, 244, 253, 243, 254, 254, 253, 254 ],
337 [ 232, 234, 224, 228, 242, 249, 242, 252, 251, 251, 254 ],
338 [ 235, 249, 238, 240, 251, 254, 249, 254, 253, 253, 254 ],
339 [ 249, 253, 251, 250, 254, 254, 254, 254, 254, 254, 254 ],
340 [ 251, 250, 249, 254, 254, 254, 254, 254, 254, 254, 254 ],
341 [ 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254 ]
342 ], [
343 [ 243, 244, 250, 250, 254, 254, 254, 254, 254, 254, 254 ],
344 [ 249, 248, 250, 253, 254, 254, 254, 254, 254, 254, 254 ],
345 [ 253, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254 ],
346 [ 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254 ],
347 [ 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254 ],
348 [ 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254 ]
349 ]
350 ]
351];
352
353const VP5_DC_WEIGHTS: [[[[i16; 2]; 6]; 6]; 5] = [
354 [
355 [ [154, 61], [141, 54], [ 90, 45], [ 54, 34], [ 54, 13], [128, 109] ],
356 [ [136, 54], [148, 45], [ 92, 41], [ 54, 33], [ 51, 15], [ 87, 113] ],
357 [ [ 87, 44], [ 97, 40], [ 67, 36], [ 46, 29], [ 41, 15], [ 64, 80] ],
358 [ [ 59, 33], [ 61, 31], [ 51, 28], [ 44, 22], [ 33, 12], [ 49, 63] ],
359 [ [ 69, 12], [ 59, 16], [ 46, 14], [ 31, 13], [ 26, 6], [ 92, 26] ],
360 [ [128, 108], [ 77, 119], [ 54, 84], [ 26, 71], [ 87, 19], [ 95, 155] ]
361 ], [
362 [ [154, 4], [182, 0], [159, -8], [128, -5], [143, -5], [187, 55] ],
363 [ [182, 0], [228, -3], [187, -7], [174, -9], [189, -11], [169, 79] ],
364 [ [161, -9], [192, -8], [187, -9], [169, -10], [136, -9], [184, 40] ],
365 [ [164, -11], [179, -10], [174, -10], [161, -10], [115, -7], [197, 20] ],
366 [ [195, -11], [195, -11], [146, -10], [110, -6], [ 95, -4], [195, 39] ],
367 [ [182, 55], [172, 77], [177, 37], [169, 29], [172, 52], [ 92, 162] ]
368 ], [
369 [ [174, 80], [164, 80], [ 95, 80], [ 46, 66], [ 56, 24], [ 36, 193] ],
370 [ [164, 80], [166, 77], [105, 76], [ 49, 68], [ 46, 31], [ 49, 186] ],
371 [ [ 97, 78], [110, 74], [ 72, 72], [ 44, 60], [ 33, 30], [ 69, 131] ],
372 [ [ 61, 61], [ 69, 63], [ 51, 57], [ 31, 48], [ 26, 27], [ 64, 89] ],
373 [ [ 67, 23], [ 51, 32], [ 36, 33], [ 26, 28], [ 20, 12], [ 44, 68] ],
374 [ [ 26, 197], [ 41, 189], [ 61, 129], [ 28, 103], [ 49, 52], [-12, 245] ]
375 ], [
376 [ [102, 141], [ 79, 166], [ 72, 162], [ 97, 125], [179, 4], [307, 0] ],
377 [ [ 72, 168], [ 69, 175], [ 84, 160], [105, 127], [148, 34], [310, 0] ],
378 [ [ 84, 151], [ 82, 161], [ 87, 153], [ 87, 135], [115, 51], [317, 0] ],
379 [ [ 97, 125], [102, 131], [105, 125], [ 87, 122], [ 84, 64], [ 54, 184] ],
380 [ [166, 18], [146, 43], [125, 51], [ 90, 64], [ 95, 7], [ 38, 154] ],
381 [ [294, 0], [ 13, 225], [ 10, 225], [ 67, 168], [ 0, 167], [161, 94] ]
382 ], [
383 [ [172, 76], [172, 75], [136, 80], [ 64, 98], [ 74, 67], [315, 0] ],
384 [ [169, 76], [207, 56], [164, 66], [ 97, 80], [ 67, 72], [328, 0] ],
385 [ [136, 80], [187, 53], [154, 62], [ 72, 85], [ -2, 105], [305, 0] ],
386 [ [ 74, 91], [128, 64], [113, 64], [ 61, 77], [ 41, 75], [259, 0] ],
387 [ [ 46, 84], [ 51, 81], [ 28, 89], [ 31, 78], [ 23, 77], [202, 0] ],
388 [ [323, 0], [323, 0], [300, 0], [236, 0], [195, 0], [328, 0] ]
389 ]
390];
391
392const VP5_AC_WEIGHTS: [[[[[i16; 2]; 6]; 5]; 3]; 3] = [
393 [
394 [
395 [ [276, 0], [238, 0], [195, 0], [156, 0], [113, 0], [274, 0] ],
396 [ [ 0, 1], [ 0, 1], [ 0, 1], [ 0, 1], [ 0, 1], [ 0, 1] ],
397 [ [192, 59], [182, 50], [141, 48], [110, 40], [ 92, 19], [125,128] ],
398 [ [169, 87], [169, 83], [184, 62], [220, 16], [184, 0], [264, 0] ],
399 [ [212, 40], [212, 36], [169, 49], [174, 27], [ 8,120], [182, 71] ]
400 ], [
401 [ [259, 10], [197, 19], [143, 22], [123, 16], [110, 8], [133, 88] ],
402 [ [ 0, 1], [256, 0], [ 0, 1], [ 0, 1], [ 0, 1], [ 0, 1] ],
403 [ [207, 46], [187, 50], [ 97, 83], [ 23,100], [ 41, 56], [ 56,188] ],
404 [ [166, 90], [146,108], [161, 88], [136, 95], [174, 0], [266, 0] ],
405 [ [264, 7], [243, 18], [184, 43], [-14,154], [ 20,112], [ 20,199] ]
406 ], [
407 [ [230, 26], [197, 22], [159, 20], [146, 12], [136, 4], [ 54,162] ],
408 [ [ 0, 1], [ 0, 1], [ 0, 1], [ 0, 1], [ 0, 1], [ 0, 1] ],
409 [ [192, 59], [156, 72], [ 84,101], [ 49,101], [ 79, 47], [ 79,167] ],
410 [ [138,115], [136,116], [166, 80], [238, 0], [195, 0], [261, 0] ],
411 [ [225, 33], [205, 42], [159, 61], [ 79, 96], [ 92, 66], [ 28,195] ]
412 ]
413 ], [
414 [
415 [ [200, 37], [197, 18], [159, 13], [143, 7], [102, 5], [123,126] ],
416 [ [197, 3], [220, -9], [210,-12], [187, -6], [151, -2], [174, 80] ],
417 [ [200, 53], [187, 47], [159, 40], [118, 38], [100, 18], [141,111] ],
418 [ [179, 78], [166, 86], [197, 50], [207, 27], [187, 0], [115,139] ],
419 [ [218, 34], [220, 29], [174, 46], [128, 61], [ 54, 89], [187, 65] ]
420 ], [
421 [ [238, 14], [197, 18], [125, 26], [ 90, 25], [ 82, 13], [161, 86] ],
422 [ [189, 1], [205, -2], [156, -4], [143, -4], [146, -4], [172, 72] ],
423 [ [230, 31], [192, 45], [102, 76], [ 38, 85], [ 56, 41], [ 64,173] ],
424 [ [166, 91], [141,111], [128,116], [118,109], [177, 0], [ 23,222] ],
425 [ [253, 14], [236, 21], [174, 49], [ 33,118], [ 44, 93], [ 23,187] ]
426 ], [
427 [ [218, 28], [179, 28], [118, 35], [ 95, 30], [ 72, 24], [128,108] ],
428 [ [187, 1], [174, -1], [125, -1], [110, -1], [108, -1], [202, 52] ],
429 [ [197, 53], [146, 75], [ 46,118], [ 33,103], [ 64, 50], [118,126] ],
430 [ [138,114], [128,122], [161, 86], [243, -6], [195, 0], [ 38,210] ],
431 [ [215, 39], [179, 58], [ 97,101], [ 95, 85], [ 87, 70], [ 69,152] ]
432 ]
433 ], [
434 [
435 [ [236, 24], [205, 18], [172, 12], [154, 6], [125, 1], [169, 75] ],
436 [ [187, 4], [230, -2], [228, -4], [236, -4], [241, -2], [192, 66] ],
437 [ [200, 46], [187, 42], [159, 34], [136, 25], [105, 10], [179, 62] ],
438 [ [207, 55], [192, 63], [192, 54], [195, 36], [177, 1], [143, 98] ],
439 [ [225, 27], [207, 34], [200, 30], [131, 57], [ 97, 60], [197, 45] ]
440 ], [
441 [ [271, 8], [218, 13], [133, 19], [ 90, 19], [ 72, 7], [182, 51] ],
442 [ [179, 1], [225, -1], [154, -2], [110, -1], [ 92, 0], [195, 41] ],
443 [ [241, 26], [189, 40], [ 82, 64], [ 33, 60], [ 67, 17], [120, 94] ],
444 [ [192, 68], [151, 94], [146, 90], [143, 72], [161, 0], [113,128] ],
445 [ [256, 12], [218, 29], [166, 48], [ 44, 99], [ 31, 87], [148, 78] ]
446 ], [
447 [ [238, 20], [184, 22], [113, 27], [ 90, 22], [ 74, 9], [192, 37] ],
448 [ [184, 0], [215, -1], [141, -1], [ 97, 0], [ 49, 0], [264, 13] ],
449 [ [182, 51], [138, 61], [ 95, 63], [ 54, 59], [ 64, 25], [200, 45] ],
450 [ [179, 75], [156, 87], [174, 65], [177, 44], [174, 0], [164, 85] ],
451 [ [195, 45], [148, 65], [105, 79], [ 95, 72], [ 87, 60], [169, 63] ]
452 ]
453 ]
454];