]> git.nihav.org Git - nihav.git/blob - nihav-realmedia/src/codecs/rv10.rs
vp5: fix chroma MV
[nihav.git] / nihav-realmedia / src / codecs / rv10.rs
1 use nihav_core::io::bitreader::*;
2 use nihav_core::io::codebook::*;
3 use nihav_core::formats;
4 use nihav_core::frame::*;
5 use nihav_core::codecs::*;
6 use nihav_core::codecs::h263::*;
7 use nihav_core::codecs::h263::code::H263BlockDSP;
8 use nihav_core::codecs::h263::decoder::*;
9 use nihav_core::codecs::h263::data::*;
10
11 #[allow(dead_code)]
12 struct Tables {
13 intra_mcbpc_cb: Codebook<u8>,
14 inter_mcbpc_cb: Codebook<u8>,
15 cbpy_cb: Codebook<u8>,
16 rl_cb: Codebook<H263RLSym>,
17 aic_rl_cb: Codebook<H263RLSym>,
18 mv_cb: Codebook<u8>,
19 luma_dc_cb: Codebook<u8>,
20 chroma_dc_cb: Codebook<u8>,
21 }
22
23 struct RealVideo10Decoder {
24 info: NACodecInfoRef,
25 dec: H263BaseDecoder,
26 tables: Tables,
27 w: usize,
28 h: usize,
29 new_ver: bool,
30 bdsp: H263BlockDSP,
31 mvmode: MVMode,
32 }
33
34 struct RealVideo10BR<'a> {
35 br: BitReader<'a>,
36 tables: &'a Tables,
37 num_slices: usize,
38 slice_no: usize,
39 slice_off: Vec<u32>,
40 w: usize,
41 h: usize,
42 mb_w: usize,
43 mb_h: usize,
44 new_ver: bool,
45 dc_coded: [bool; 3],
46 last_dc: [i16; 3],
47 mvmode: MVMode,
48 }
49
50 struct RV10SliceInfo {
51 is_p: bool,
52 qscale: u8,
53 mb_x: usize,
54 mb_y: usize,
55 mb_c: usize,
56 }
57
58 impl RV10SliceInfo {
59 fn new(is_p: bool, qscale: u8, mb_x: usize, mb_y: usize, mb_c: usize) -> Self {
60 RV10SliceInfo { is_p, qscale, mb_x, mb_y, mb_c }
61 }
62 }
63
64 impl<'a> RealVideo10BR<'a> {
65 fn new(src: &'a [u8], tables: &'a Tables, width: usize, height: usize, new_ver: bool, mvmode: MVMode) -> Self {
66 let nslices = (src[0] as usize) + 1;
67 let mut slice_offs = Vec::with_capacity(nslices);
68 {
69 let offs = &src[1..][..nslices * 8];
70 let mut br = BitReader::new(offs, offs.len(), BitReaderMode::BE);
71 for _ in 0..nslices {
72 br.skip(32).unwrap();
73 let off = br.read(32).unwrap();
74 slice_offs.push(off);
75 }
76 }
77 let soff = nslices * 8 + 1;
78 RealVideo10BR {
79 br: BitReader::new(&src[soff..], src.len() - soff, BitReaderMode::BE),
80 tables,
81 num_slices: nslices,
82 slice_no: 0,
83 slice_off: slice_offs,
84 w: width,
85 h: height,
86 mb_w: (width + 15) >> 4,
87 mb_h: (height + 15) >> 4,
88 new_ver,
89 dc_coded: [false; 3],
90 last_dc: [0; 3],
91 mvmode,
92 }
93 }
94
95 #[allow(unused_variables)]
96 fn decode_block(&mut self, sstate: &SliceState, quant: u8, intra: bool, coded: bool, blk: &mut [i16; 64], plane_no: usize) -> DecoderResult<()> {
97 let br = &mut self.br;
98 let mut idx = 0;
99 if intra {
100 let mut dc;
101 if !self.new_ver || !sstate.is_iframe {
102 dc = br.read(8)? as i16;
103 if dc == 255 { dc = 128; }
104 } else {
105 if self.dc_coded[plane_no] {
106 let diff;
107 let bits = br.peek(14);
108 let ret = if plane_no == 0 {
109 br.read_cb(&self.tables.luma_dc_cb)
110 } else {
111 br.read_cb(&self.tables.chroma_dc_cb)
112 };
113 if ret.is_err() {
114 println!("Illegal {} code {:X}", if plane_no==0{"luma"}else{"chroma"},bits);
115 }
116 let val = ret.unwrap() as i16;
117
118 if val != 0 {
119 diff = val - 128;
120 } else {
121 let code = br.read(2)?;
122 match code {
123 0x0 => { diff = ((br.read(7)? + 1) as i8) as i16; },
124 0x1 => { diff = (br.read(7)? as i16) - 128; },
125 0x2 => {
126 if plane_no == 0 {
127 if br.read_bool()? {
128 diff = ((br.read(8)? + 1) as i8) as i16;
129 } else {
130 diff = (br.read(8)? as i8) as i16;
131 }
132 } else {
133 br.skip(9)?;
134 diff = 1;
135 }
136 },
137 _ => {
138 if plane_no == 0 {
139 br.skip(4)?;
140 diff = 1;
141 } else {
142 return Err(DecoderError::InvalidData);
143 }
144 },
145 };
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 blk[0] = dc << 3;
155 idx = 1;
156 }
157 if !coded { return Ok(()); }
158
159 let rl_cb = &self.tables.rl_cb; // could be aic too
160 let q_add = if quant == 0 { 0i16 } else { ((quant - 1) | 1) as i16 };
161 let q = (quant * 2) as i16;
162 while idx < 64 {
163 let code = br.read_cb(rl_cb)?;
164 let run;
165 let mut level;
166 let last;
167 if !code.is_escape() {
168 run = code.get_run();
169 level = code.get_level();
170 last = code.is_last();
171 if br.read_bool()? { level = -level; }
172 level = (level * q) + q_add;
173 } else {
174 last = br.read_bool()?;
175 run = br.read(6)? as u8;
176 level = br.read_s(8)? as i16;
177 if level == -128 {
178 let low = br.read(5)? as i16;
179 let top = br.read_s(6)? as i16;
180 level = (top << 5) | low;
181 }
182 level = (level * q) + q_add;
183 if level < -2048 { level = -2048; }
184 if level > 2047 { level = 2047; }
185 }
186 idx += run;
187 validate!(idx < 64);
188 let oidx = ZIGZAG[idx as usize];
189 blk[oidx] = level;
190 idx += 1;
191 if last { break; }
192 }
193 Ok(())
194 }
195 }
196
197 fn decode_mv_component(br: &mut BitReader, mv_cb: &Codebook<u8>) -> DecoderResult<i16> {
198 let code = br.read_cb(mv_cb)? as i16;
199 if code == 0 { return Ok(0) }
200 if !br.read_bool()? {
201 Ok(code)
202 } else {
203 Ok(-code)
204 }
205 }
206
207 fn decode_mv(br: &mut BitReader, mv_cb: &Codebook<u8>) -> DecoderResult<MV> {
208 let xval = decode_mv_component(br, mv_cb)?;
209 let yval = decode_mv_component(br, mv_cb)?;
210 Ok(MV::new(xval, yval))
211 }
212
213 impl<'a> BlockDecoder for RealVideo10BR<'a> {
214
215 #[allow(unused_variables)]
216 fn decode_pichdr(&mut self) -> DecoderResult<PicInfo> {
217 self.slice_no = 0;
218 let shdr = self.read_slice_header()?;
219 validate!((shdr.mb_x == 0) && (shdr.mb_y == 0));
220
221 let mb_end = shdr.mb_x + shdr.mb_y * self.mb_w + shdr.mb_c;
222
223 let ftype = if !shdr.is_p { Type::I } else { Type::P };
224 let picinfo = PicInfo::new(self.w, self.h, ftype, self.mvmode, false, false, shdr.qscale, 0, None, None);
225 Ok(picinfo)
226 }
227
228 #[allow(unused_variables)]
229 fn decode_slice_header(&mut self, info: &PicInfo) -> DecoderResult<SliceInfo> {
230 let shdr = self.read_slice_header()?;
231 self.slice_no += 1;
232 let mb_end = shdr.mb_x + shdr.mb_y * self.mb_w + shdr.mb_c;
233 let ret = SliceInfo::new(shdr.mb_x, shdr.mb_y, mb_end, shdr.qscale);
234
235 Ok(ret)
236 }
237
238 fn decode_block_header(&mut self, info: &PicInfo, slice: &SliceInfo, _sstate: &SliceState) -> DecoderResult<BlockInfo> {
239 let br = &mut self.br;
240 let mut q = slice.get_quant();
241 match info.get_mode() {
242 Type::I => {
243 let mut cbpc = br.read_cb(&self.tables.intra_mcbpc_cb)?;
244 while cbpc == 8 { cbpc = br.read_cb(&self.tables.intra_mcbpc_cb)?; }
245 let cbpy = br.read_cb(&self.tables.cbpy_cb)?;
246 let cbp = (cbpy << 2) | (cbpc & 3);
247 let dquant = (cbpc & 4) != 0;
248 if dquant {
249 let idx = br.read(2)? as usize;
250 q = ((q as i16) + (H263_DQUANT_TAB[idx] as i16)) as u8;
251 }
252 Ok(BlockInfo::new(Type::I, cbp, q))
253 },
254 Type::P => {
255 if br.read_bool()? {
256 return Ok(BlockInfo::new(Type::Skip, 0, info.get_quant()));
257 }
258 let mut cbpc = br.read_cb(&self.tables.inter_mcbpc_cb)?;
259 while cbpc == 20 { cbpc = br.read_cb(&self.tables.inter_mcbpc_cb)?; }
260 let is_intra = (cbpc & 0x04) != 0;
261 let dquant = (cbpc & 0x08) != 0;
262 let is_4x4 = (cbpc & 0x10) != 0;
263 if is_intra {
264 let cbpy = br.read_cb(&self.tables.cbpy_cb)?;
265 let cbp = (cbpy << 2) | (cbpc & 3);
266 if dquant {
267 let idx = br.read(2)? as usize;
268 q = ((q as i16) + (H263_DQUANT_TAB[idx] as i16)) as u8;
269 }
270 let binfo = BlockInfo::new(Type::I, cbp, q);
271 return Ok(binfo);
272 }
273
274 let mut cbpy = br.read_cb(&self.tables.cbpy_cb)?;
275 // if /* !aiv && */(cbpc & 3) != 3 {
276 cbpy ^= 0xF;
277 // }
278 let cbp = (cbpy << 2) | (cbpc & 3);
279 if dquant {
280 let idx = br.read(2)? as usize;
281 q = ((q as i16) + (H263_DQUANT_TAB[idx] as i16)) as u8;
282 }
283 let mut binfo = BlockInfo::new(Type::P, cbp, q);
284 if !is_4x4 {
285 let mvec: [MV; 1] = [decode_mv(br, &self.tables.mv_cb)?];
286 binfo.set_mv(&mvec);
287 } else {
288 let mvec: [MV; 4] = [
289 decode_mv(br, &self.tables.mv_cb)?,
290 decode_mv(br, &self.tables.mv_cb)?,
291 decode_mv(br, &self.tables.mv_cb)?,
292 decode_mv(br, &self.tables.mv_cb)?
293 ];
294 binfo.set_mv(&mvec);
295 }
296 Ok(binfo)
297 },
298 _ => { println!("wrong info mode"); Err(DecoderError::InvalidData) },
299 }
300 }
301
302 #[allow(unused_variables)]
303 fn decode_block_intra(&mut self, info: &BlockInfo, sstate: &SliceState, quant: u8, no: usize, coded: bool, blk: &mut [i16; 64]) -> DecoderResult<()> {
304 self.decode_block(sstate, quant, true, coded, blk, if no < 4 { 0 } else { no - 3 })
305 }
306
307 #[allow(unused_variables)]
308 fn decode_block_inter(&mut self, info: &BlockInfo, sstate: &SliceState, quant: u8, no: usize, coded: bool, blk: &mut [i16; 64]) -> DecoderResult<()> {
309 self.decode_block(sstate, quant, false, coded, blk, if no < 4 { 0 } else { no - 3 })
310 }
311
312 fn is_slice_end(&mut self) -> bool { false }
313 }
314
315 impl<'a> RealVideo10BR<'a> {
316 fn read_slice_header(&mut self) -> DecoderResult<RV10SliceInfo> {
317 validate!(self.slice_no < self.num_slices);
318
319 let br = &mut self.br;
320 br.seek(self.slice_off[self.slice_no] * 8)?;
321
322 let marker = br.read(1)?;
323 validate!(marker == 1);
324 let is_p = br.read_bool()?;
325 let pb_frame = br.read_bool()?;
326 validate!(!pb_frame);
327 let qscale = br.read(5)? as u8;
328 validate!(qscale > 0);
329
330 if !is_p && self.new_ver {
331 self.last_dc[0] = br.read(8)? as i16;
332 self.last_dc[1] = br.read(8)? as i16;
333 self.last_dc[2] = br.read(8)? as i16;
334 } else {
335 self.last_dc[0] = 0;
336 self.last_dc[1] = 0;
337 self.last_dc[2] = 0;
338 }
339 self.dc_coded[0] = false;
340 self.dc_coded[1] = false;
341 self.dc_coded[2] = false;
342
343 let mb_x;
344 let mb_y;
345 let mb_count;
346 if (br.peek(12) == 0) || (self.slice_no > 0) {
347 mb_x = br.read(6)? as usize;
348 mb_y = br.read(6)? as usize;
349 mb_count = br.read(12)? as usize;
350 } else {
351 mb_x = 0;
352 mb_y = 0;
353 mb_count = self.mb_w * self.mb_h;
354 }
355 br.skip(3)?;
356 validate!(mb_x + mb_y * self.mb_w + mb_count <= self.mb_w * self.mb_h);
357
358 Ok(RV10SliceInfo::new(is_p, qscale, mb_x, mb_y, mb_count))
359 }
360 }
361
362 impl RealVideo10Decoder {
363 fn new() -> Self {
364 let mut coderead = H263ShortCodeReader::new(H263_INTRA_MCBPC);
365 let intra_mcbpc_cb = Codebook::new(&mut coderead, CodebookMode::MSB).unwrap();
366 let mut coderead = H263ShortCodeReader::new(H263_INTER_MCBPC);
367 let inter_mcbpc_cb = Codebook::new(&mut coderead, CodebookMode::MSB).unwrap();
368 let mut coderead = H263ShortCodeReader::new(H263_CBPY);
369 let cbpy_cb = Codebook::new(&mut coderead, CodebookMode::MSB).unwrap();
370 let mut coderead = H263RLCodeReader::new(H263_RL_CODES);
371 let rl_cb = Codebook::new(&mut coderead, CodebookMode::MSB).unwrap();
372 let mut coderead = H263RLCodeReader::new(H263_RL_CODES_AIC);
373 let aic_rl_cb = Codebook::new(&mut coderead, CodebookMode::MSB).unwrap();
374 let mut coderead = H263ShortCodeReader::new(H263_MV);
375 let mv_cb = Codebook::new(&mut coderead, CodebookMode::MSB).unwrap();
376 let mut coderead = CodeReader::new(RV10_LUMA_DC_CODES, RV10_LUMA_DC_BITS);
377 let luma_dc_cb = Codebook::new(&mut coderead, CodebookMode::MSB).unwrap();
378 let mut coderead = CodeReader::new(RV10_CHROMA_DC_CODES, RV10_CHROMA_DC_BITS);
379 let chroma_dc_cb = Codebook::new(&mut coderead, CodebookMode::MSB).unwrap();
380
381 let tables = Tables {
382 intra_mcbpc_cb,
383 inter_mcbpc_cb,
384 cbpy_cb,
385 rl_cb,
386 aic_rl_cb,
387 mv_cb,
388 luma_dc_cb,
389 chroma_dc_cb,
390 };
391
392 RealVideo10Decoder{
393 info: NACodecInfoRef::default(),
394 dec: H263BaseDecoder::new_with_opts(false, false, false),
395 tables,
396 w: 0,
397 h: 0,
398 new_ver: false,
399 bdsp: H263BlockDSP::new(),
400 mvmode: MVMode::Long,
401 }
402 }
403 }
404
405 impl NADecoder for RealVideo10Decoder {
406 fn init(&mut self, _supp: &mut NADecoderSupport, info: NACodecInfoRef) -> DecoderResult<()> {
407 if let NACodecTypeInfo::Video(vinfo) = info.get_properties() {
408 let w = vinfo.get_width();
409 let h = vinfo.get_height();
410 let fmt = formats::YUV420_FORMAT;
411 let myinfo = NACodecTypeInfo::Video(NAVideoInfo::new(w, h, false, fmt));
412 self.info = NACodecInfo::new_ref(info.get_name(), myinfo, info.get_extradata()).into_ref();
413 self.w = w;
414 self.h = h;
415
416 let edata = info.get_extradata().unwrap();
417 let src: &[u8] = &edata;
418 let ver = ((src[4] as u32) << 12) | ((src[5] as u32) << 4) | ((src[6] as u32) >> 4);
419 let maj_ver = ver >> 16;
420 let mic_ver = ver & 0xFF;
421 println!("ver {:06X} -> {}", ver, mic_ver);
422 validate!(maj_ver == 1);
423 self.new_ver = mic_ver > 1;
424 if (src[3] & 1) != 0 {
425 self.mvmode = MVMode::UMV;
426 }
427 {
428 let mut br = BitReader::new(src, src.len(), BitReaderMode::BE);
429 println!("edata:");
430 println!("{:08X}", br.read(32).unwrap());
431 println!("{:08X}", br.read(32).unwrap());
432 }
433 Ok(())
434 } else {
435 println!("???");
436 Err(DecoderError::InvalidData)
437 }
438 }
439 fn decode(&mut self, _supp: &mut NADecoderSupport, pkt: &NAPacket) -> DecoderResult<NAFrameRef> {
440 let src = pkt.get_buffer();
441
442 //println!(" decode frame size {}, {} slices", src.len(), src[0]+1);
443 let mut ibr = RealVideo10BR::new(&src, &self.tables, self.w, self.h, self.new_ver, self.mvmode);
444
445 let bufinfo = self.dec.parse_frame(&mut ibr, &self.bdsp)?;
446
447 let mut frm = NAFrame::new_from_pkt(pkt, self.info.clone(), bufinfo);
448 frm.set_keyframe(self.dec.is_intra());
449 frm.set_frame_type(if self.dec.is_intra() { FrameType::I } else { FrameType::P });
450 Ok(frm.into_ref())
451 }
452 fn flush(&mut self) {
453 self.dec.flush();
454 }
455 }
456
457
458 pub fn get_decoder() -> Box<dyn NADecoder + Send> {
459 Box::new(RealVideo10Decoder::new())
460 }
461
462 #[cfg(test)]
463 mod test {
464 use nihav_core::codecs::RegisteredDecoders;
465 use nihav_core::demuxers::RegisteredDemuxers;
466 use nihav_core::test::dec_video::*;
467 use crate::codecs::realmedia_register_all_codecs;
468 use crate::demuxers::realmedia_register_all_demuxers;
469 #[test]
470 fn test_rv10() {
471 let mut dmx_reg = RegisteredDemuxers::new();
472 realmedia_register_all_demuxers(&mut dmx_reg);
473 let mut dec_reg = RegisteredDecoders::new();
474 realmedia_register_all_codecs(&mut dec_reg);
475
476 test_file_decoding("realmedia", "assets/RV/rv10_dnet_640x352_realvideo_encoder_4.0.rm", Some(1000), true, false, None/*Some("rv10")*/, &dmx_reg, &dec_reg);
477 }
478 }
479
480 pub struct CodeReader { codes: &'static [u16], bits: &'static [u8] }
481
482 impl CodeReader {
483 pub fn new(codes: &'static [u16], bits: &'static [u8]) -> Self {
484 CodeReader { codes, bits }
485 }
486 }
487
488 impl CodebookDescReader<u8> for CodeReader {
489 fn bits(&mut self, idx: usize) -> u8 { self.bits[idx] }
490 fn code(&mut self, idx: usize) -> u32 { self.codes[idx] as u32 }
491 fn sym (&mut self, idx: usize) -> u8 { idx as u8 }
492 fn len(&mut self) -> usize { self.bits.len() }
493 }
494
495 const RV10_LUMA_DC_CODES: &[u16] = &[
496 0x001f, 0x0f00, 0x0f01, 0x0f02, 0x0f03, 0x0f04, 0x0f05, 0x0f06,
497 0x0f07, 0x0f08, 0x0f09, 0x0f0a, 0x0f0b, 0x0f0c, 0x0f0d, 0x0f0e,
498 0x0f0f, 0x0f10, 0x0f11, 0x0f12, 0x0f13, 0x0f14, 0x0f15, 0x0f16,
499 0x0f17, 0x0f18, 0x0f19, 0x0f1a, 0x0f1b, 0x0f1c, 0x0f1d, 0x0f1e,
500 0x0f1f, 0x0f20, 0x0f21, 0x0f22, 0x0f23, 0x0f24, 0x0f25, 0x0f26,
501 0x0f27, 0x0f28, 0x0f29, 0x0f2a, 0x0f2b, 0x0f2c, 0x0f2d, 0x0f2e,
502 0x0f2f, 0x0f30, 0x0f31, 0x0f32, 0x0f33, 0x0f34, 0x0f35, 0x0f36,
503 0x0f37, 0x0f38, 0x0f39, 0x0f3a, 0x0f3b, 0x0f3c, 0x0f3d, 0x0f3e,
504 0x0f3f, 0x0380, 0x0381, 0x0382, 0x0383, 0x0384, 0x0385, 0x0386,
505 0x0387, 0x0388, 0x0389, 0x038a, 0x038b, 0x038c, 0x038d, 0x038e,
506 0x038f, 0x0390, 0x0391, 0x0392, 0x0393, 0x0394, 0x0395, 0x0396,
507 0x0397, 0x0398, 0x0399, 0x039a, 0x039b, 0x039c, 0x039d, 0x039e,
508 0x039f, 0x00c0, 0x00c1, 0x00c2, 0x00c3, 0x00c4, 0x00c5, 0x00c6,
509 0x00c7, 0x00c8, 0x00c9, 0x00ca, 0x00cb, 0x00cc, 0x00cd, 0x00ce,
510 0x00cf, 0x0050, 0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056,
511 0x0057, 0x0020, 0x0021, 0x0022, 0x0023, 0x000c, 0x000d, 0x0004,
512 0x0000, 0x0005, 0x000e, 0x000f, 0x0024, 0x0025, 0x0026, 0x0027,
513 0x0058, 0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f,
514 0x00d0, 0x00d1, 0x00d2, 0x00d3, 0x00d4, 0x00d5, 0x00d6, 0x00d7,
515 0x00d8, 0x00d9, 0x00da, 0x00db, 0x00dc, 0x00dd, 0x00de, 0x00df,
516 0x03a0, 0x03a1, 0x03a2, 0x03a3, 0x03a4, 0x03a5, 0x03a6, 0x03a7,
517 0x03a8, 0x03a9, 0x03aa, 0x03ab, 0x03ac, 0x03ad, 0x03ae, 0x03af,
518 0x03b0, 0x03b1, 0x03b2, 0x03b3, 0x03b4, 0x03b5, 0x03b6, 0x03b7,
519 0x03b8, 0x03b9, 0x03ba, 0x03bb, 0x03bc, 0x03bd, 0x03be, 0x03bf,
520 0x0f40, 0x0f41, 0x0f42, 0x0f43, 0x0f44, 0x0f45, 0x0f46, 0x0f47,
521 0x0f48, 0x0f49, 0x0f4a, 0x0f4b, 0x0f4c, 0x0f4d, 0x0f4e, 0x0f4f,
522 0x0f50, 0x0f51, 0x0f52, 0x0f53, 0x0f54, 0x0f55, 0x0f56, 0x0f57,
523 0x0f58, 0x0f59, 0x0f5a, 0x0f5b, 0x0f5c, 0x0f5d, 0x0f5e, 0x0f5f,
524 0x0f60, 0x0f61, 0x0f62, 0x0f63, 0x0f64, 0x0f65, 0x0f66, 0x0f67,
525 0x0f68, 0x0f69, 0x0f6a, 0x0f6b, 0x0f6c, 0x0f6d, 0x0f6e, 0x0f6f,
526 0x0f70, 0x0f71, 0x0f72, 0x0f73, 0x0f74, 0x0f75, 0x0f76, 0x0f77,
527 0x0f78, 0x0f79, 0x0f7a, 0x0f7b, 0x0f7c, 0x0f7d, 0x0f7e, 0x0f7f,
528 ];
529
530 const RV10_LUMA_DC_BITS: &[u8] = &[
531 5, 12, 12, 12, 12, 12, 12, 12,
532 12, 12, 12, 12, 12, 12, 12, 12,
533 12, 12, 12, 12, 12, 12, 12, 12,
534 12, 12, 12, 12, 12, 12, 12, 12,
535 12, 12, 12, 12, 12, 12, 12, 12,
536 12, 12, 12, 12, 12, 12, 12, 12,
537 12, 12, 12, 12, 12, 12, 12, 12,
538 12, 12, 12, 12, 12, 12, 12, 12,
539 12, 10, 10, 10, 10, 10, 10, 10,
540 10, 10, 10, 10, 10, 10, 10, 10,
541 10, 10, 10, 10, 10, 10, 10, 10,
542 10, 10, 10, 10, 10, 10, 10, 10,
543 10, 8, 8, 8, 8, 8, 8, 8,
544 8, 8, 8, 8, 8, 8, 8, 8,
545 8, 7, 7, 7, 7, 7, 7, 7,
546 7, 6, 6, 6, 6, 5, 5, 4,
547 2, 4, 5, 5, 6, 6, 6, 6,
548 7, 7, 7, 7, 7, 7, 7, 7,
549 8, 8, 8, 8, 8, 8, 8, 8,
550 8, 8, 8, 8, 8, 8, 8, 8,
551 10, 10, 10, 10, 10, 10, 10, 10,
552 10, 10, 10, 10, 10, 10, 10, 10,
553 10, 10, 10, 10, 10, 10, 10, 10,
554 10, 10, 10, 10, 10, 10, 10, 10,
555 12, 12, 12, 12, 12, 12, 12, 12,
556 12, 12, 12, 12, 12, 12, 12, 12,
557 12, 12, 12, 12, 12, 12, 12, 12,
558 12, 12, 12, 12, 12, 12, 12, 12,
559 12, 12, 12, 12, 12, 12, 12, 12,
560 12, 12, 12, 12, 12, 12, 12, 12,
561 12, 12, 12, 12, 12, 12, 12, 12,
562 12, 12, 12, 12, 12, 12, 12, 12,
563 ];
564
565 const RV10_CHROMA_DC_CODES: &[u16] = &[
566 0x003f, 0x3f00, 0x3f01, 0x3f02, 0x3f03, 0x3f04, 0x3f05, 0x3f06,
567 0x3f07, 0x3f08, 0x3f09, 0x3f0a, 0x3f0b, 0x3f0c, 0x3f0d, 0x3f0e,
568 0x3f0f, 0x3f10, 0x3f11, 0x3f12, 0x3f13, 0x3f14, 0x3f15, 0x3f16,
569 0x3f17, 0x3f18, 0x3f19, 0x3f1a, 0x3f1b, 0x3f1c, 0x3f1d, 0x3f1e,
570 0x3f1f, 0x3f20, 0x3f21, 0x3f22, 0x3f23, 0x3f24, 0x3f25, 0x3f26,
571 0x3f27, 0x3f28, 0x3f29, 0x3f2a, 0x3f2b, 0x3f2c, 0x3f2d, 0x3f2e,
572 0x3f2f, 0x3f30, 0x3f31, 0x3f32, 0x3f33, 0x3f34, 0x3f35, 0x3f36,
573 0x3f37, 0x3f38, 0x3f39, 0x3f3a, 0x3f3b, 0x3f3c, 0x3f3d, 0x3f3e,
574 0x3f3f, 0x0f80, 0x0f81, 0x0f82, 0x0f83, 0x0f84, 0x0f85, 0x0f86,
575 0x0f87, 0x0f88, 0x0f89, 0x0f8a, 0x0f8b, 0x0f8c, 0x0f8d, 0x0f8e,
576 0x0f8f, 0x0f90, 0x0f91, 0x0f92, 0x0f93, 0x0f94, 0x0f95, 0x0f96,
577 0x0f97, 0x0f98, 0x0f99, 0x0f9a, 0x0f9b, 0x0f9c, 0x0f9d, 0x0f9e,
578 0x0f9f, 0x03c0, 0x03c1, 0x03c2, 0x03c3, 0x03c4, 0x03c5, 0x03c6,
579 0x03c7, 0x03c8, 0x03c9, 0x03ca, 0x03cb, 0x03cc, 0x03cd, 0x03ce,
580 0x03cf, 0x00e0, 0x00e1, 0x00e2, 0x00e3, 0x00e4, 0x00e5, 0x00e6,
581 0x00e7, 0x0030, 0x0031, 0x0032, 0x0033, 0x0008, 0x0009, 0x0002,
582 0x0000, 0x0003, 0x000a, 0x000b, 0x0034, 0x0035, 0x0036, 0x0037,
583 0x00e8, 0x00e9, 0x00ea, 0x00eb, 0x00ec, 0x00ed, 0x00ee, 0x00ef,
584 0x03d0, 0x03d1, 0x03d2, 0x03d3, 0x03d4, 0x03d5, 0x03d6, 0x03d7,
585 0x03d8, 0x03d9, 0x03da, 0x03db, 0x03dc, 0x03dd, 0x03de, 0x03df,
586 0x0fa0, 0x0fa1, 0x0fa2, 0x0fa3, 0x0fa4, 0x0fa5, 0x0fa6, 0x0fa7,
587 0x0fa8, 0x0fa9, 0x0faa, 0x0fab, 0x0fac, 0x0fad, 0x0fae, 0x0faf,
588 0x0fb0, 0x0fb1, 0x0fb2, 0x0fb3, 0x0fb4, 0x0fb5, 0x0fb6, 0x0fb7,
589 0x0fb8, 0x0fb9, 0x0fba, 0x0fbb, 0x0fbc, 0x0fbd, 0x0fbe, 0x0fbf,
590 0x3f40, 0x3f41, 0x3f42, 0x3f43, 0x3f44, 0x3f45, 0x3f46, 0x3f47,
591 0x3f48, 0x3f49, 0x3f4a, 0x3f4b, 0x3f4c, 0x3f4d, 0x3f4e, 0x3f4f,
592 0x3f50, 0x3f51, 0x3f52, 0x3f53, 0x3f54, 0x3f55, 0x3f56, 0x3f57,
593 0x3f58, 0x3f59, 0x3f5a, 0x3f5b, 0x3f5c, 0x3f5d, 0x3f5e, 0x3f5f,
594 0x3f60, 0x3f61, 0x3f62, 0x3f63, 0x3f64, 0x3f65, 0x3f66, 0x3f67,
595 0x3f68, 0x3f69, 0x3f6a, 0x3f6b, 0x3f6c, 0x3f6d, 0x3f6e, 0x3f6f,
596 0x3f70, 0x3f71, 0x3f72, 0x3f73, 0x3f74, 0x3f75, 0x3f76, 0x3f77,
597 0x3f78, 0x3f79, 0x3f7a, 0x3f7b, 0x3f7c, 0x3f7d, 0x3f7e, 0x3f7f,
598 ];
599
600 const RV10_CHROMA_DC_BITS: &[u8] = &[
601 7, 14, 14, 14, 14, 14, 14, 14,
602 14, 14, 14, 14, 14, 14, 14, 14,
603 14, 14, 14, 14, 14, 14, 14, 14,
604 14, 14, 14, 14, 14, 14, 14, 14,
605 14, 14, 14, 14, 14, 14, 14, 14,
606 14, 14, 14, 14, 14, 14, 14, 14,
607 14, 14, 14, 14, 14, 14, 14, 14,
608 14, 14, 14, 14, 14, 14, 14, 14,
609 14, 12, 12, 12, 12, 12, 12, 12,
610 12, 12, 12, 12, 12, 12, 12, 12,
611 12, 12, 12, 12, 12, 12, 12, 12,
612 12, 12, 12, 12, 12, 12, 12, 12,
613 12, 10, 10, 10, 10, 10, 10, 10,
614 10, 10, 10, 10, 10, 10, 10, 10,
615 10, 8, 8, 8, 8, 8, 8, 8,
616 8, 6, 6, 6, 6, 4, 4, 3,
617 2, 3, 4, 4, 6, 6, 6, 6,
618 8, 8, 8, 8, 8, 8, 8, 8,
619 10, 10, 10, 10, 10, 10, 10, 10,
620 10, 10, 10, 10, 10, 10, 10, 10,
621 12, 12, 12, 12, 12, 12, 12, 12,
622 12, 12, 12, 12, 12, 12, 12, 12,
623 12, 12, 12, 12, 12, 12, 12, 12,
624 12, 12, 12, 12, 12, 12, 12, 12,
625 14, 14, 14, 14, 14, 14, 14, 14,
626 14, 14, 14, 14, 14, 14, 14, 14,
627 14, 14, 14, 14, 14, 14, 14, 14,
628 14, 14, 14, 14, 14, 14, 14, 14,
629 14, 14, 14, 14, 14, 14, 14, 14,
630 14, 14, 14, 14, 14, 14, 14, 14,
631 14, 14, 14, 14, 14, 14, 14, 14,
632 14, 14, 14, 14, 14, 14, 14, 14,
633 ];