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be91b1c3 KS |
1 | use io::bitreader::*; |
2 | use io::codebook::*; | |
3 | use formats; | |
4 | use super::super::*; | |
5 | use super::*; | |
2a2aa421 | 6 | use super::code::H263BlockDSP; |
be91b1c3 KS |
7 | use super::decoder::*; |
8 | use super::data::*; | |
9 | ||
10 | #[allow(dead_code)] | |
11 | struct Tables { | |
12 | intra_mcbpc_cb: Codebook<u8>, | |
13 | inter_mcbpc_cb: Codebook<u8>, | |
14 | cbpy_cb: Codebook<u8>, | |
15 | rl_cb: Codebook<H263RLSym>, | |
16 | aic_rl_cb: Codebook<H263RLSym>, | |
17 | mv_cb: Codebook<u8>, | |
18 | luma_dc_cb: Codebook<u8>, | |
19 | chroma_dc_cb: Codebook<u8>, | |
20 | } | |
21 | ||
22 | struct RealVideo10Decoder { | |
23 | info: Rc<NACodecInfo>, | |
24 | dec: H263BaseDecoder, | |
25 | tables: Tables, | |
26 | w: usize, | |
27 | h: usize, | |
28 | new_ver: bool, | |
2a2aa421 | 29 | bdsp: H263BlockDSP, |
be91b1c3 KS |
30 | } |
31 | ||
32 | struct RealVideo10BR<'a> { | |
33 | br: BitReader<'a>, | |
34 | tables: &'a Tables, | |
35 | num_slices: usize, | |
36 | slice_no: usize, | |
37 | slice_off: Vec<u32>, | |
38 | w: usize, | |
39 | h: usize, | |
40 | mb_w: usize, | |
41 | mb_h: usize, | |
be91b1c3 KS |
42 | new_ver: bool, |
43 | dc_coded: [bool; 3], | |
44 | last_dc: [i16; 3], | |
be91b1c3 KS |
45 | } |
46 | ||
47 | struct RV10SliceInfo { | |
48 | is_p: bool, | |
49 | qscale: u8, | |
50 | mb_x: usize, | |
51 | mb_y: usize, | |
52 | mb_c: usize, | |
53 | } | |
54 | ||
55 | impl RV10SliceInfo { | |
56 | fn new(is_p: bool, qscale: u8, mb_x: usize, mb_y: usize, mb_c: usize) -> Self { | |
57 | RV10SliceInfo { is_p: is_p, qscale: qscale, mb_x: mb_x, mb_y: mb_y, mb_c: mb_c } | |
58 | } | |
59 | } | |
60 | ||
61 | impl<'a> RealVideo10BR<'a> { | |
62 | fn new(src: &'a [u8], tables: &'a Tables, width: usize, height: usize, new_ver: bool) -> Self { | |
63 | let nslices = (src[0] as usize) + 1; | |
64 | let mut slice_offs = Vec::with_capacity(nslices); | |
65 | { | |
66 | let offs = &src[1..][..nslices * 8]; | |
67 | let mut br = BitReader::new(offs, offs.len(), BitReaderMode::BE); | |
68 | for _ in 0..nslices { | |
69 | br.skip(32).unwrap(); | |
70 | let off = br.read(32).unwrap(); | |
71 | slice_offs.push(off); | |
72 | } | |
73 | } | |
74 | let soff = nslices * 8 + 1; | |
75 | RealVideo10BR { | |
76 | br: BitReader::new(&src[soff..], src.len() - soff, BitReaderMode::BE), | |
77 | tables: tables, | |
78 | num_slices: nslices, | |
79 | slice_no: 0, | |
80 | slice_off: slice_offs, | |
81 | w: width, | |
82 | h: height, | |
83 | mb_w: (width + 15) >> 4, | |
84 | mb_h: (height + 15) >> 4, | |
be91b1c3 KS |
85 | new_ver: new_ver, |
86 | dc_coded: [false; 3], | |
87 | last_dc: [0; 3], | |
be91b1c3 KS |
88 | } |
89 | } | |
90 | ||
2a2aa421 KS |
91 | #[allow(unused_variables)] |
92 | fn decode_block(&mut self, sstate: &SliceState, quant: u8, intra: bool, coded: bool, blk: &mut [i16; 64], plane_no: usize) -> DecoderResult<()> { | |
9037cf6b | 93 | let br = &mut self.br; |
be91b1c3 KS |
94 | let mut idx = 0; |
95 | if intra { | |
96 | let mut dc; | |
2a2aa421 KS |
97 | //println!("dc prev {} @ {} of {},{} / {}x{}", self.last_dc[plane_no], br.tell() - (self.slice_off[self.slice_no - 1] as usize) * 8, sstate.mb_x, sstate.mb_y, self.mb_w, self.mb_h); |
98 | if !self.new_ver || !sstate.is_iframe { | |
be91b1c3 KS |
99 | dc = br.read(8)? as i16; |
100 | if dc == 255 { dc = 128; } | |
101 | } else { | |
102 | if self.dc_coded[plane_no] { | |
103 | let diff; | |
104 | let bits = br.peek(14); | |
105 | let ret = if plane_no == 0 { | |
106 | br.read_cb(&self.tables.luma_dc_cb) | |
107 | } else { | |
108 | br.read_cb(&self.tables.chroma_dc_cb) | |
109 | }; | |
110 | if ret.is_err() { | |
111 | println!("Illegal {} code {:X}", if plane_no==0{"luma"}else{"chroma"},bits); | |
112 | } | |
113 | let val = ret.unwrap() as i16; | |
114 | ||
115 | if val != 0 { | |
116 | diff = val - 128; | |
117 | } else { | |
118 | println!("escape!!!"); | |
119 | let code = br.read(2)?; | |
120 | match code { | |
121 | 0x0 => { diff = ((br.read(7)? + 1) as i8) as i16; }, | |
122 | 0x1 => { diff = (br.read(7)? as i16) - 128; }, | |
123 | 0x2 => { | |
124 | if plane_no == 0 { | |
125 | if br.read_bool()? { | |
126 | diff = ((br.read(8)? + 1) as i8) as i16; | |
127 | } else { | |
128 | diff = (br.read(8)? as i8) as i16; | |
129 | } | |
130 | } else { | |
131 | br.skip(9)?; | |
132 | diff = 1; | |
133 | } | |
134 | }, | |
135 | _ => { | |
136 | if plane_no == 0 { | |
137 | br.skip(4)?; | |
138 | diff = 1; | |
139 | } else { | |
140 | println!("!!! wrong chroma esc"); | |
141 | return Err(DecoderError::InvalidData); | |
142 | } | |
143 | }, | |
144 | }; | |
145 | println!("!!! diff = {} @ {}", diff, br.tell()); | |
146 | } | |
147 | dc = (self.last_dc[plane_no] - diff) & 0xFF; | |
148 | self.last_dc[plane_no] = dc; | |
149 | } else { | |
150 | self.dc_coded[plane_no] = true; | |
151 | dc = self.last_dc[plane_no]; | |
152 | } | |
153 | } | |
154 | //println!("dc new {} @ {}", self.last_dc[plane_no], br.tell()); | |
155 | blk[0] = dc << 3; | |
156 | idx = 1; | |
157 | } | |
158 | if !coded { return Ok(()); } | |
159 | ||
160 | let rl_cb = &self.tables.rl_cb; // could be aic too | |
161 | let q_add = if quant == 0 { 0i16 } else { ((quant - 1) | 1) as i16 }; | |
162 | let q = (quant * 2) as i16; | |
163 | while idx < 64 { | |
164 | let code = br.read_cb(rl_cb)?; | |
165 | let run; | |
166 | let mut level; | |
167 | let last; | |
168 | if !code.is_escape() { | |
169 | run = code.get_run(); | |
170 | level = code.get_level(); | |
171 | last = code.is_last(); | |
172 | if br.read_bool()? { level = -level; } | |
173 | level = (level * q) + q_add; | |
174 | } else { | |
175 | last = br.read_bool()?; | |
176 | run = br.read(6)? as u8; | |
177 | level = br.read_s(8)? as i16; | |
178 | if level == -128 { | |
179 | let low = br.read(5)? as i16; | |
180 | let top = br.read_s(6)? as i16; | |
181 | level = (top << 5) | low; | |
182 | } | |
183 | level = (level * q) + q_add; | |
184 | if level < -2048 { level = -2048; } | |
185 | if level > 2047 { level = 2047; } | |
186 | } | |
187 | idx += run; | |
188 | validate!(idx < 64); | |
189 | let oidx = H263_ZIGZAG[idx as usize]; | |
190 | blk[oidx] = level; | |
191 | idx += 1; | |
192 | if last { break; } | |
193 | } | |
194 | Ok(()) | |
195 | } | |
196 | } | |
197 | ||
198 | fn decode_mv_component(br: &mut BitReader, mv_cb: &Codebook<u8>) -> DecoderResult<i16> { | |
199 | let code = br.read_cb(mv_cb)? as i16; | |
200 | if code == 0 { return Ok(0) } | |
201 | if !br.read_bool()? { | |
202 | Ok(code) | |
203 | } else { | |
204 | Ok(-code) | |
205 | } | |
206 | } | |
207 | ||
208 | fn decode_mv(br: &mut BitReader, mv_cb: &Codebook<u8>) -> DecoderResult<MV> { | |
209 | let xval = decode_mv_component(br, mv_cb)?; | |
210 | let yval = decode_mv_component(br, mv_cb)?; | |
211 | //println!(" MV {},{} @ {}", xval, yval, br.tell()); | |
212 | Ok(MV::new(xval, yval)) | |
213 | } | |
214 | ||
215 | impl<'a> BlockDecoder for RealVideo10BR<'a> { | |
216 | ||
217 | #[allow(unused_variables)] | |
218 | fn decode_pichdr(&mut self) -> DecoderResult<PicInfo> { | |
219 | self.slice_no = 0; | |
220 | println!("decoding picture header size {}", if self.num_slices > 1 { self.slice_off[1] } else { ((self.br.tell() as u32) + (self.br.left() as u32))/8 }); | |
be91b1c3 | 221 | let shdr = self.read_slice_header()?; |
be91b1c3 KS |
222 | validate!((shdr.mb_x == 0) && (shdr.mb_y == 0)); |
223 | ||
2a2aa421 | 224 | let mb_end = shdr.mb_x + shdr.mb_y * self.mb_w + shdr.mb_c; |
be91b1c3 KS |
225 | |
226 | let ftype = if !shdr.is_p { Type::I } else { Type::P }; | |
32007ad9 | 227 | let picinfo = PicInfo::new(self.w, self.h, ftype, MVMode::Old, false, false, shdr.qscale, 0, None, None); |
be91b1c3 KS |
228 | Ok(picinfo) |
229 | } | |
230 | ||
231 | #[allow(unused_variables)] | |
2a2aa421 | 232 | fn decode_slice_header(&mut self, info: &PicInfo) -> DecoderResult<SliceInfo> { |
be91b1c3 KS |
233 | //println!("read slice {} header", self.slice_no); |
234 | let shdr = self.read_slice_header()?; | |
be91b1c3 | 235 | self.slice_no += 1; |
2a2aa421 KS |
236 | let mb_end = shdr.mb_x + shdr.mb_y * self.mb_w + shdr.mb_c; |
237 | let ret = SliceInfo::new(shdr.mb_x, shdr.mb_y, mb_end, shdr.qscale); | |
be91b1c3 KS |
238 | |
239 | Ok(ret) | |
240 | } | |
241 | ||
2a2aa421 | 242 | fn decode_block_header(&mut self, info: &PicInfo, slice: &SliceInfo, sstate: &SliceState) -> DecoderResult<BlockInfo> { |
9037cf6b | 243 | let br = &mut self.br; |
be91b1c3 KS |
244 | let mut q = slice.get_quant(); |
245 | match info.get_mode() { | |
246 | Type::I => { | |
247 | let mut cbpc = br.read_cb(&self.tables.intra_mcbpc_cb)?; | |
248 | while cbpc == 8 { cbpc = br.read_cb(&self.tables.intra_mcbpc_cb)?; } | |
249 | let cbpy = br.read_cb(&self.tables.cbpy_cb)?; | |
250 | let cbp = (cbpy << 2) | (cbpc & 3); | |
251 | let dquant = (cbpc & 4) != 0; | |
252 | if dquant { | |
253 | let idx = br.read(2)? as usize; | |
254 | q = ((q as i16) + (H263_DQUANT_TAB[idx] as i16)) as u8; | |
255 | } | |
be91b1c3 KS |
256 | Ok(BlockInfo::new(Type::I, cbp, q)) |
257 | }, | |
258 | Type::P => { | |
259 | if br.read_bool()? { | |
be91b1c3 KS |
260 | return Ok(BlockInfo::new(Type::Skip, 0, info.get_quant())); |
261 | } | |
262 | let mut cbpc = br.read_cb(&self.tables.inter_mcbpc_cb)?; | |
263 | while cbpc == 20 { cbpc = br.read_cb(&self.tables.inter_mcbpc_cb)?; } | |
264 | let is_intra = (cbpc & 0x04) != 0; | |
265 | let dquant = (cbpc & 0x08) != 0; | |
266 | let is_4x4 = (cbpc & 0x10) != 0; | |
267 | if is_intra { | |
268 | let cbpy = br.read_cb(&self.tables.cbpy_cb)?; | |
269 | let cbp = (cbpy << 2) | (cbpc & 3); | |
270 | if dquant { | |
271 | let idx = br.read(2)? as usize; | |
272 | q = ((q as i16) + (H263_DQUANT_TAB[idx] as i16)) as u8; | |
273 | } | |
274 | let binfo = BlockInfo::new(Type::I, cbp, q); | |
be91b1c3 KS |
275 | return Ok(binfo); |
276 | } | |
277 | ||
278 | let mut cbpy = br.read_cb(&self.tables.cbpy_cb)?; | |
279 | // if /* !aiv && */(cbpc & 3) != 3 { | |
280 | cbpy ^= 0xF; | |
281 | // } | |
282 | let cbp = (cbpy << 2) | (cbpc & 3); | |
283 | if dquant { | |
284 | let idx = br.read(2)? as usize; | |
285 | q = ((q as i16) + (H263_DQUANT_TAB[idx] as i16)) as u8; | |
286 | } | |
2a2aa421 | 287 | println!(" MB {}.{} cbp = {:X}", sstate.mb_x, sstate.mb_y, cbp); |
be91b1c3 KS |
288 | let mut binfo = BlockInfo::new(Type::P, cbp, q); |
289 | if !is_4x4 { | |
290 | let mvec: [MV; 1] = [decode_mv(br, &self.tables.mv_cb)?]; | |
291 | binfo.set_mv(&mvec); | |
292 | } else { | |
293 | let mvec: [MV; 4] = [ | |
294 | decode_mv(br, &self.tables.mv_cb)?, | |
295 | decode_mv(br, &self.tables.mv_cb)?, | |
296 | decode_mv(br, &self.tables.mv_cb)?, | |
297 | decode_mv(br, &self.tables.mv_cb)? | |
298 | ]; | |
299 | binfo.set_mv(&mvec); | |
300 | } | |
be91b1c3 KS |
301 | Ok(binfo) |
302 | }, | |
303 | _ => { println!("wrong info mode"); Err(DecoderError::InvalidData) }, | |
304 | } | |
305 | } | |
306 | ||
307 | #[allow(unused_variables)] | |
2a2aa421 KS |
308 | fn decode_block_intra(&mut self, info: &BlockInfo, sstate: &SliceState, quant: u8, no: usize, coded: bool, blk: &mut [i16; 64]) -> DecoderResult<()> { |
309 | self.decode_block(sstate, quant, true, coded, blk, if no < 4 { 0 } else { no - 3 }) | |
be91b1c3 KS |
310 | } |
311 | ||
312 | #[allow(unused_variables)] | |
2a2aa421 KS |
313 | fn decode_block_inter(&mut self, info: &BlockInfo, sstate: &SliceState, quant: u8, no: usize, coded: bool, blk: &mut [i16; 64]) -> DecoderResult<()> { |
314 | self.decode_block(sstate, quant, false, coded, blk, if no < 4 { 0 } else { no - 3 }) | |
be91b1c3 KS |
315 | } |
316 | ||
2a2aa421 | 317 | fn is_slice_end(&mut self) -> bool { false } |
be91b1c3 KS |
318 | } |
319 | ||
320 | impl<'a> RealVideo10BR<'a> { | |
321 | fn read_slice_header(&mut self) -> DecoderResult<RV10SliceInfo> { | |
322 | validate!(self.slice_no < self.num_slices); | |
323 | ||
9037cf6b | 324 | let br = &mut self.br; |
be91b1c3 | 325 | br.seek(self.slice_off[self.slice_no] * 8)?; |
be91b1c3 KS |
326 | |
327 | let marker = br.read(1)?; | |
328 | validate!(marker == 1); | |
329 | let is_p = br.read_bool()?; | |
330 | let pb_frame = br.read_bool()?; | |
331 | validate!(!pb_frame); | |
332 | let qscale = br.read(5)? as u8; | |
333 | validate!(qscale > 0); | |
334 | ||
335 | if !is_p && self.new_ver { | |
336 | self.last_dc[0] = br.read(8)? as i16; | |
337 | self.last_dc[1] = br.read(8)? as i16; | |
338 | self.last_dc[2] = br.read(8)? as i16; | |
339 | } else { | |
340 | self.last_dc[0] = 0; | |
341 | self.last_dc[1] = 0; | |
342 | self.last_dc[2] = 0; | |
343 | } | |
344 | self.dc_coded[0] = false; | |
345 | self.dc_coded[1] = false; | |
346 | self.dc_coded[2] = false; | |
347 | ||
348 | let mb_x; | |
349 | let mb_y; | |
350 | let mb_count; | |
2a2aa421 | 351 | if (br.peek(12) == 0) || (self.slice_no > 0) { |
be91b1c3 KS |
352 | mb_x = br.read(6)? as usize; |
353 | mb_y = br.read(6)? as usize; | |
354 | mb_count = br.read(12)? as usize; | |
355 | } else { | |
2a2aa421 KS |
356 | mb_x = 0; |
357 | mb_y = 0; | |
358 | mb_count = self.mb_w * self.mb_h; | |
be91b1c3 KS |
359 | } |
360 | br.skip(3)?; | |
361 | println!("slice q {} mb {},{} {}", qscale, mb_x, mb_y, mb_count); | |
362 | validate!(mb_x + mb_y * self.mb_w + mb_count <= self.mb_w * self.mb_h); | |
363 | ||
364 | Ok(RV10SliceInfo::new(is_p, qscale, mb_x, mb_y, mb_count)) | |
365 | } | |
366 | } | |
367 | ||
be91b1c3 KS |
368 | impl RealVideo10Decoder { |
369 | fn new() -> Self { | |
370 | let mut coderead = H263ShortCodeReader::new(H263_INTRA_MCBPC); | |
371 | let intra_mcbpc_cb = Codebook::new(&mut coderead, CodebookMode::MSB).unwrap(); | |
372 | let mut coderead = H263ShortCodeReader::new(H263_INTER_MCBPC); | |
373 | let inter_mcbpc_cb = Codebook::new(&mut coderead, CodebookMode::MSB).unwrap(); | |
374 | let mut coderead = H263ShortCodeReader::new(H263_CBPY); | |
375 | let cbpy_cb = Codebook::new(&mut coderead, CodebookMode::MSB).unwrap(); | |
376 | let mut coderead = H263RLCodeReader::new(H263_RL_CODES); | |
377 | let rl_cb = Codebook::new(&mut coderead, CodebookMode::MSB).unwrap(); | |
378 | let mut coderead = H263RLCodeReader::new(H263_RL_CODES_AIC); | |
379 | let aic_rl_cb = Codebook::new(&mut coderead, CodebookMode::MSB).unwrap(); | |
380 | let mut coderead = H263ShortCodeReader::new(H263_MV); | |
381 | let mv_cb = Codebook::new(&mut coderead, CodebookMode::MSB).unwrap(); | |
382 | let mut coderead = CodeReader::new(RV10_LUMA_DC_CODES, RV10_LUMA_DC_BITS); | |
383 | let luma_dc_cb = Codebook::new(&mut coderead, CodebookMode::MSB).unwrap(); | |
384 | let mut coderead = CodeReader::new(RV10_CHROMA_DC_CODES, RV10_CHROMA_DC_BITS); | |
385 | let chroma_dc_cb = Codebook::new(&mut coderead, CodebookMode::MSB).unwrap(); | |
386 | ||
387 | let tables = Tables { | |
388 | intra_mcbpc_cb: intra_mcbpc_cb, | |
389 | inter_mcbpc_cb: inter_mcbpc_cb, | |
390 | cbpy_cb: cbpy_cb, | |
391 | rl_cb: rl_cb, | |
392 | aic_rl_cb: aic_rl_cb, | |
393 | mv_cb: mv_cb, | |
394 | luma_dc_cb: luma_dc_cb, | |
395 | chroma_dc_cb: chroma_dc_cb, | |
396 | }; | |
397 | ||
398 | RealVideo10Decoder{ | |
399 | info: Rc::new(DUMMY_CODEC_INFO), | |
42a59352 | 400 | dec: H263BaseDecoder::new(false), |
be91b1c3 KS |
401 | tables: tables, |
402 | w: 0, | |
403 | h: 0, | |
404 | new_ver: false, | |
2a2aa421 | 405 | bdsp: H263BlockDSP::new(), |
be91b1c3 KS |
406 | } |
407 | } | |
408 | } | |
409 | ||
410 | impl NADecoder for RealVideo10Decoder { | |
411 | fn init(&mut self, info: Rc<NACodecInfo>) -> DecoderResult<()> { | |
412 | if let NACodecTypeInfo::Video(vinfo) = info.get_properties() { | |
413 | let w = vinfo.get_width(); | |
414 | let h = vinfo.get_height(); | |
415 | let fmt = formats::YUV420_FORMAT; | |
416 | let myinfo = NACodecTypeInfo::Video(NAVideoInfo::new(w, h, false, fmt)); | |
417 | self.info = Rc::new(NACodecInfo::new_ref(info.get_name(), myinfo, info.get_extradata())); | |
418 | self.w = w; | |
419 | self.h = h; | |
420 | ||
421 | let edata = info.get_extradata().unwrap(); | |
422 | let src: &[u8] = &edata; | |
423 | let ver = ((src[4] as u32) << 12) | ((src[5] as u32) << 4) | ((src[6] as u32) >> 4); | |
424 | let maj_ver = ver >> 16; | |
425 | let mic_ver = ver & 0xFF; | |
426 | println!("ver {:06X} -> {}", ver, mic_ver); | |
427 | validate!(maj_ver == 1); | |
428 | self.new_ver = mic_ver > 1; | |
429 | { | |
430 | let mut br = BitReader::new(src, src.len(), BitReaderMode::BE); | |
431 | println!("edata:"); | |
432 | println!("{:08X}", br.read(32).unwrap()); | |
433 | println!("{:08X}", br.read(32).unwrap()); | |
434 | } | |
435 | Ok(()) | |
436 | } else { | |
437 | println!("???"); | |
438 | Err(DecoderError::InvalidData) | |
439 | } | |
440 | } | |
441 | fn decode(&mut self, pkt: &NAPacket) -> DecoderResult<NAFrameRef> { | |
442 | let src = pkt.get_buffer(); | |
443 | ||
444 | println!(" decode frame size {}, {} slices", src.len(), src[0]+1); | |
445 | let mut ibr = RealVideo10BR::new(&src, &self.tables, self.w, self.h, self.new_ver); | |
446 | ||
2a2aa421 | 447 | let bufinfo = self.dec.parse_frame(&mut ibr, &self.bdsp)?; |
be91b1c3 KS |
448 | |
449 | let mut frm = NAFrame::new_from_pkt(pkt, self.info.clone(), bufinfo); | |
450 | frm.set_keyframe(self.dec.is_intra()); | |
451 | frm.set_frame_type(if self.dec.is_intra() { FrameType::I } else { FrameType::P }); | |
452 | Ok(Rc::new(RefCell::new(frm))) | |
453 | } | |
454 | } | |
455 | ||
456 | ||
457 | pub fn get_decoder() -> Box<NADecoder> { | |
458 | Box::new(RealVideo10Decoder::new()) | |
459 | } | |
460 | ||
461 | #[cfg(test)] | |
462 | mod test { | |
463 | use test::dec_video::test_file_decoding; | |
464 | #[test] | |
465 | fn test_rv10() { | |
42a59352 | 466 | test_file_decoding("realmedia", "assets/RV/rv10_dnet_640x352_realvideo_encoder_4.0.rm", Some(1000), true, false, None/*Some("rv10")*/); |
be91b1c3 KS |
467 | } |
468 | } | |
469 | ||
470 | pub struct CodeReader { codes: &'static [u16], bits: &'static [u8] } | |
471 | ||
472 | impl CodeReader { | |
473 | pub fn new(codes: &'static [u16], bits: &'static [u8]) -> Self { | |
474 | CodeReader { codes: codes, bits: bits } | |
475 | } | |
476 | } | |
477 | ||
478 | impl CodebookDescReader<u8> for CodeReader { | |
479 | fn bits(&mut self, idx: usize) -> u8 { self.bits[idx] } | |
480 | fn code(&mut self, idx: usize) -> u32 { self.codes[idx] as u32 } | |
481 | fn sym (&mut self, idx: usize) -> u8 { idx as u8 } | |
482 | fn len(&mut self) -> usize { self.bits.len() } | |
483 | } | |
484 | ||
485 | const RV10_LUMA_DC_CODES: &[u16] = &[ | |
486 | 0x001f, 0x0f00, 0x0f01, 0x0f02, 0x0f03, 0x0f04, 0x0f05, 0x0f06, | |
487 | 0x0f07, 0x0f08, 0x0f09, 0x0f0a, 0x0f0b, 0x0f0c, 0x0f0d, 0x0f0e, | |
488 | 0x0f0f, 0x0f10, 0x0f11, 0x0f12, 0x0f13, 0x0f14, 0x0f15, 0x0f16, | |
489 | 0x0f17, 0x0f18, 0x0f19, 0x0f1a, 0x0f1b, 0x0f1c, 0x0f1d, 0x0f1e, | |
490 | 0x0f1f, 0x0f20, 0x0f21, 0x0f22, 0x0f23, 0x0f24, 0x0f25, 0x0f26, | |
491 | 0x0f27, 0x0f28, 0x0f29, 0x0f2a, 0x0f2b, 0x0f2c, 0x0f2d, 0x0f2e, | |
492 | 0x0f2f, 0x0f30, 0x0f31, 0x0f32, 0x0f33, 0x0f34, 0x0f35, 0x0f36, | |
493 | 0x0f37, 0x0f38, 0x0f39, 0x0f3a, 0x0f3b, 0x0f3c, 0x0f3d, 0x0f3e, | |
494 | 0x0f3f, 0x0380, 0x0381, 0x0382, 0x0383, 0x0384, 0x0385, 0x0386, | |
495 | 0x0387, 0x0388, 0x0389, 0x038a, 0x038b, 0x038c, 0x038d, 0x038e, | |
496 | 0x038f, 0x0390, 0x0391, 0x0392, 0x0393, 0x0394, 0x0395, 0x0396, | |
497 | 0x0397, 0x0398, 0x0399, 0x039a, 0x039b, 0x039c, 0x039d, 0x039e, | |
498 | 0x039f, 0x00c0, 0x00c1, 0x00c2, 0x00c3, 0x00c4, 0x00c5, 0x00c6, | |
499 | 0x00c7, 0x00c8, 0x00c9, 0x00ca, 0x00cb, 0x00cc, 0x00cd, 0x00ce, | |
500 | 0x00cf, 0x0050, 0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, | |
501 | 0x0057, 0x0020, 0x0021, 0x0022, 0x0023, 0x000c, 0x000d, 0x0004, | |
502 | 0x0000, 0x0005, 0x000e, 0x000f, 0x0024, 0x0025, 0x0026, 0x0027, | |
503 | 0x0058, 0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f, | |
504 | 0x00d0, 0x00d1, 0x00d2, 0x00d3, 0x00d4, 0x00d5, 0x00d6, 0x00d7, | |
505 | 0x00d8, 0x00d9, 0x00da, 0x00db, 0x00dc, 0x00dd, 0x00de, 0x00df, | |
506 | 0x03a0, 0x03a1, 0x03a2, 0x03a3, 0x03a4, 0x03a5, 0x03a6, 0x03a7, | |
507 | 0x03a8, 0x03a9, 0x03aa, 0x03ab, 0x03ac, 0x03ad, 0x03ae, 0x03af, | |
508 | 0x03b0, 0x03b1, 0x03b2, 0x03b3, 0x03b4, 0x03b5, 0x03b6, 0x03b7, | |
509 | 0x03b8, 0x03b9, 0x03ba, 0x03bb, 0x03bc, 0x03bd, 0x03be, 0x03bf, | |
510 | 0x0f40, 0x0f41, 0x0f42, 0x0f43, 0x0f44, 0x0f45, 0x0f46, 0x0f47, | |
511 | 0x0f48, 0x0f49, 0x0f4a, 0x0f4b, 0x0f4c, 0x0f4d, 0x0f4e, 0x0f4f, | |
512 | 0x0f50, 0x0f51, 0x0f52, 0x0f53, 0x0f54, 0x0f55, 0x0f56, 0x0f57, | |
513 | 0x0f58, 0x0f59, 0x0f5a, 0x0f5b, 0x0f5c, 0x0f5d, 0x0f5e, 0x0f5f, | |
514 | 0x0f60, 0x0f61, 0x0f62, 0x0f63, 0x0f64, 0x0f65, 0x0f66, 0x0f67, | |
515 | 0x0f68, 0x0f69, 0x0f6a, 0x0f6b, 0x0f6c, 0x0f6d, 0x0f6e, 0x0f6f, | |
516 | 0x0f70, 0x0f71, 0x0f72, 0x0f73, 0x0f74, 0x0f75, 0x0f76, 0x0f77, | |
517 | 0x0f78, 0x0f79, 0x0f7a, 0x0f7b, 0x0f7c, 0x0f7d, 0x0f7e, 0x0f7f, | |
518 | ]; | |
519 | ||
520 | const RV10_LUMA_DC_BITS: &[u8] = &[ | |
521 | 5, 12, 12, 12, 12, 12, 12, 12, | |
522 | 12, 12, 12, 12, 12, 12, 12, 12, | |
523 | 12, 12, 12, 12, 12, 12, 12, 12, | |
524 | 12, 12, 12, 12, 12, 12, 12, 12, | |
525 | 12, 12, 12, 12, 12, 12, 12, 12, | |
526 | 12, 12, 12, 12, 12, 12, 12, 12, | |
527 | 12, 12, 12, 12, 12, 12, 12, 12, | |
528 | 12, 12, 12, 12, 12, 12, 12, 12, | |
529 | 12, 10, 10, 10, 10, 10, 10, 10, | |
530 | 10, 10, 10, 10, 10, 10, 10, 10, | |
531 | 10, 10, 10, 10, 10, 10, 10, 10, | |
532 | 10, 10, 10, 10, 10, 10, 10, 10, | |
533 | 10, 8, 8, 8, 8, 8, 8, 8, | |
534 | 8, 8, 8, 8, 8, 8, 8, 8, | |
535 | 8, 7, 7, 7, 7, 7, 7, 7, | |
536 | 7, 6, 6, 6, 6, 5, 5, 4, | |
537 | 2, 4, 5, 5, 6, 6, 6, 6, | |
538 | 7, 7, 7, 7, 7, 7, 7, 7, | |
539 | 8, 8, 8, 8, 8, 8, 8, 8, | |
540 | 8, 8, 8, 8, 8, 8, 8, 8, | |
541 | 10, 10, 10, 10, 10, 10, 10, 10, | |
542 | 10, 10, 10, 10, 10, 10, 10, 10, | |
543 | 10, 10, 10, 10, 10, 10, 10, 10, | |
544 | 10, 10, 10, 10, 10, 10, 10, 10, | |
545 | 12, 12, 12, 12, 12, 12, 12, 12, | |
546 | 12, 12, 12, 12, 12, 12, 12, 12, | |
547 | 12, 12, 12, 12, 12, 12, 12, 12, | |
548 | 12, 12, 12, 12, 12, 12, 12, 12, | |
549 | 12, 12, 12, 12, 12, 12, 12, 12, | |
550 | 12, 12, 12, 12, 12, 12, 12, 12, | |
551 | 12, 12, 12, 12, 12, 12, 12, 12, | |
552 | 12, 12, 12, 12, 12, 12, 12, 12, | |
553 | ]; | |
554 | ||
555 | const RV10_CHROMA_DC_CODES: &[u16] = &[ | |
556 | 0x003f, 0x3f00, 0x3f01, 0x3f02, 0x3f03, 0x3f04, 0x3f05, 0x3f06, | |
557 | 0x3f07, 0x3f08, 0x3f09, 0x3f0a, 0x3f0b, 0x3f0c, 0x3f0d, 0x3f0e, | |
558 | 0x3f0f, 0x3f10, 0x3f11, 0x3f12, 0x3f13, 0x3f14, 0x3f15, 0x3f16, | |
559 | 0x3f17, 0x3f18, 0x3f19, 0x3f1a, 0x3f1b, 0x3f1c, 0x3f1d, 0x3f1e, | |
560 | 0x3f1f, 0x3f20, 0x3f21, 0x3f22, 0x3f23, 0x3f24, 0x3f25, 0x3f26, | |
561 | 0x3f27, 0x3f28, 0x3f29, 0x3f2a, 0x3f2b, 0x3f2c, 0x3f2d, 0x3f2e, | |
562 | 0x3f2f, 0x3f30, 0x3f31, 0x3f32, 0x3f33, 0x3f34, 0x3f35, 0x3f36, | |
563 | 0x3f37, 0x3f38, 0x3f39, 0x3f3a, 0x3f3b, 0x3f3c, 0x3f3d, 0x3f3e, | |
564 | 0x3f3f, 0x0f80, 0x0f81, 0x0f82, 0x0f83, 0x0f84, 0x0f85, 0x0f86, | |
565 | 0x0f87, 0x0f88, 0x0f89, 0x0f8a, 0x0f8b, 0x0f8c, 0x0f8d, 0x0f8e, | |
566 | 0x0f8f, 0x0f90, 0x0f91, 0x0f92, 0x0f93, 0x0f94, 0x0f95, 0x0f96, | |
567 | 0x0f97, 0x0f98, 0x0f99, 0x0f9a, 0x0f9b, 0x0f9c, 0x0f9d, 0x0f9e, | |
568 | 0x0f9f, 0x03c0, 0x03c1, 0x03c2, 0x03c3, 0x03c4, 0x03c5, 0x03c6, | |
569 | 0x03c7, 0x03c8, 0x03c9, 0x03ca, 0x03cb, 0x03cc, 0x03cd, 0x03ce, | |
570 | 0x03cf, 0x00e0, 0x00e1, 0x00e2, 0x00e3, 0x00e4, 0x00e5, 0x00e6, | |
571 | 0x00e7, 0x0030, 0x0031, 0x0032, 0x0033, 0x0008, 0x0009, 0x0002, | |
572 | 0x0000, 0x0003, 0x000a, 0x000b, 0x0034, 0x0035, 0x0036, 0x0037, | |
573 | 0x00e8, 0x00e9, 0x00ea, 0x00eb, 0x00ec, 0x00ed, 0x00ee, 0x00ef, | |
574 | 0x03d0, 0x03d1, 0x03d2, 0x03d3, 0x03d4, 0x03d5, 0x03d6, 0x03d7, | |
575 | 0x03d8, 0x03d9, 0x03da, 0x03db, 0x03dc, 0x03dd, 0x03de, 0x03df, | |
576 | 0x0fa0, 0x0fa1, 0x0fa2, 0x0fa3, 0x0fa4, 0x0fa5, 0x0fa6, 0x0fa7, | |
577 | 0x0fa8, 0x0fa9, 0x0faa, 0x0fab, 0x0fac, 0x0fad, 0x0fae, 0x0faf, | |
578 | 0x0fb0, 0x0fb1, 0x0fb2, 0x0fb3, 0x0fb4, 0x0fb5, 0x0fb6, 0x0fb7, | |
579 | 0x0fb8, 0x0fb9, 0x0fba, 0x0fbb, 0x0fbc, 0x0fbd, 0x0fbe, 0x0fbf, | |
580 | 0x3f40, 0x3f41, 0x3f42, 0x3f43, 0x3f44, 0x3f45, 0x3f46, 0x3f47, | |
581 | 0x3f48, 0x3f49, 0x3f4a, 0x3f4b, 0x3f4c, 0x3f4d, 0x3f4e, 0x3f4f, | |
582 | 0x3f50, 0x3f51, 0x3f52, 0x3f53, 0x3f54, 0x3f55, 0x3f56, 0x3f57, | |
583 | 0x3f58, 0x3f59, 0x3f5a, 0x3f5b, 0x3f5c, 0x3f5d, 0x3f5e, 0x3f5f, | |
584 | 0x3f60, 0x3f61, 0x3f62, 0x3f63, 0x3f64, 0x3f65, 0x3f66, 0x3f67, | |
585 | 0x3f68, 0x3f69, 0x3f6a, 0x3f6b, 0x3f6c, 0x3f6d, 0x3f6e, 0x3f6f, | |
586 | 0x3f70, 0x3f71, 0x3f72, 0x3f73, 0x3f74, 0x3f75, 0x3f76, 0x3f77, | |
587 | 0x3f78, 0x3f79, 0x3f7a, 0x3f7b, 0x3f7c, 0x3f7d, 0x3f7e, 0x3f7f, | |
588 | ]; | |
589 | ||
590 | const RV10_CHROMA_DC_BITS: &[u8] = &[ | |
591 | 7, 14, 14, 14, 14, 14, 14, 14, | |
592 | 14, 14, 14, 14, 14, 14, 14, 14, | |
593 | 14, 14, 14, 14, 14, 14, 14, 14, | |
594 | 14, 14, 14, 14, 14, 14, 14, 14, | |
595 | 14, 14, 14, 14, 14, 14, 14, 14, | |
596 | 14, 14, 14, 14, 14, 14, 14, 14, | |
597 | 14, 14, 14, 14, 14, 14, 14, 14, | |
598 | 14, 14, 14, 14, 14, 14, 14, 14, | |
599 | 14, 12, 12, 12, 12, 12, 12, 12, | |
600 | 12, 12, 12, 12, 12, 12, 12, 12, | |
601 | 12, 12, 12, 12, 12, 12, 12, 12, | |
602 | 12, 12, 12, 12, 12, 12, 12, 12, | |
603 | 12, 10, 10, 10, 10, 10, 10, 10, | |
604 | 10, 10, 10, 10, 10, 10, 10, 10, | |
605 | 10, 8, 8, 8, 8, 8, 8, 8, | |
606 | 8, 6, 6, 6, 6, 4, 4, 3, | |
607 | 2, 3, 4, 4, 6, 6, 6, 6, | |
608 | 8, 8, 8, 8, 8, 8, 8, 8, | |
609 | 10, 10, 10, 10, 10, 10, 10, 10, | |
610 | 10, 10, 10, 10, 10, 10, 10, 10, | |
611 | 12, 12, 12, 12, 12, 12, 12, 12, | |
612 | 12, 12, 12, 12, 12, 12, 12, 12, | |
613 | 12, 12, 12, 12, 12, 12, 12, 12, | |
614 | 12, 12, 12, 12, 12, 12, 12, 12, | |
615 | 14, 14, 14, 14, 14, 14, 14, 14, | |
616 | 14, 14, 14, 14, 14, 14, 14, 14, | |
617 | 14, 14, 14, 14, 14, 14, 14, 14, | |
618 | 14, 14, 14, 14, 14, 14, 14, 14, | |
619 | 14, 14, 14, 14, 14, 14, 14, 14, | |
620 | 14, 14, 14, 14, 14, 14, 14, 14, | |
621 | 14, 14, 14, 14, 14, 14, 14, 14, | |
622 | 14, 14, 14, 14, 14, 14, 14, 14, | |
623 | ]; |