| 1 | use nihav_core::formats; |
| 2 | use nihav_core::io::bitreader::*; |
| 3 | use nihav_core::io::intcode::*; |
| 4 | use nihav_core::frame::*; |
| 5 | use nihav_core::codecs::*; |
| 6 | use super::rv3040::*; |
| 7 | use super::rv30dsp::*; |
| 8 | |
| 9 | struct RealVideo30BR { |
| 10 | rpr_bits: u8, |
| 11 | width: usize, |
| 12 | height: usize, |
| 13 | widths: Vec<usize>, |
| 14 | heights: Vec<usize>, |
| 15 | } |
| 16 | |
| 17 | impl RealVideo30BR { |
| 18 | fn new() -> Self { |
| 19 | RealVideo30BR { |
| 20 | rpr_bits: 0, |
| 21 | width: 0, |
| 22 | height: 0, |
| 23 | widths: Vec::new(), |
| 24 | heights: Vec::new(), |
| 25 | } |
| 26 | } |
| 27 | } |
| 28 | |
| 29 | impl RV34BitstreamDecoder for RealVideo30BR { |
| 30 | fn decode_slice_header(&mut self, br: &mut BitReader, _old_w: usize, _old_h: usize) -> DecoderResult<RV34SliceHeader> { |
| 31 | if br.read(3)? != 0 { return Err(DecoderError::InvalidData); } |
| 32 | let ft_idx = br.read(2)?; |
| 33 | let ftype = match ft_idx { |
| 34 | 0|1 => FrameType::I, |
| 35 | 2 => FrameType::P, |
| 36 | _ => FrameType::B, |
| 37 | }; |
| 38 | if br.read(1)? != 0 { return Err(DecoderError::InvalidData); } |
| 39 | let q = br.read(5)? as u8; |
| 40 | let deblock = !br.read_bool()?; |
| 41 | let pts = br.read(13)? as u16; |
| 42 | let rpr = br.read(self.rpr_bits)? as usize; |
| 43 | let (w, h) = if rpr != 0 { |
| 44 | validate!(rpr < self.widths.len()); |
| 45 | (self.widths[rpr], self.heights[rpr]) |
| 46 | } else { |
| 47 | (self.width, self.height) |
| 48 | }; |
| 49 | let start = br.read(get_slice_start_offset_bits(w, h))? as usize; |
| 50 | br.skip(1)?; |
| 51 | |
| 52 | Ok(RV34SliceHeader{ ftype: ftype, quant: q, deblock: deblock, pts: pts, width: w, height: h, start: start, end: 0, set_idx: 0 }) |
| 53 | } |
| 54 | fn decode_intra_pred(&mut self, br: &mut BitReader, types: &mut [i8], mut pos: usize, tstride: usize, _has_top: bool) -> DecoderResult<()> { |
| 55 | for _ in 0..4 { |
| 56 | for x in 0..2 { |
| 57 | let code = br.read_code(UintCodeType::Gamma)? as usize; |
| 58 | validate!(code < 81); |
| 59 | for k in 0..2 { |
| 60 | let new = RV30_ITYPE_MAP[code * 2 + k] as usize; |
| 61 | let top = (types[pos + x * 2 + k - tstride] + 1) as usize; |
| 62 | let left = (types[pos + x * 2 + k - 1] + 1) as usize; |
| 63 | types[pos + x * 2 + k] = RV30_ITYPE[top * 90 + left * 9 + new]; |
| 64 | validate!(types[pos + x * 2 + k] != 9); |
| 65 | } |
| 66 | } |
| 67 | pos += tstride; |
| 68 | } |
| 69 | Ok(()) |
| 70 | } |
| 71 | fn decode_inter_mb_hdr(&mut self, br: &mut BitReader, ftype: FrameType, _mbtype: MBType) -> DecoderResult<MBInfo> { |
| 72 | let mut code = br.read_code(UintCodeType::Gamma)? as usize; |
| 73 | let mut dq = false; |
| 74 | validate!(code < 11); |
| 75 | if code > 5 { |
| 76 | code -= 6; |
| 77 | dq = true; |
| 78 | } |
| 79 | let idx = if ftype == FrameType::P { 0 } else { 1 }; |
| 80 | Ok(MBInfo { mbtype: RV30_MB_TYPES[idx][code], skip_run: 0, dquant: dq }) |
| 81 | } |
| 82 | fn predict_b_mv(&self, sstate: &SState, mvi: &MVInfo, mbtype: MBType, mvs: &[MV], _mbinfo: &Vec<RV34MBInfo>) -> (MV, MV) { |
| 83 | let mb_x = sstate.mb_x; |
| 84 | let mb_y = sstate.mb_y; |
| 85 | let mv_f; |
| 86 | let mv_b; |
| 87 | match mbtype { |
| 88 | MBType::MBForward | MBType::MBBackward => { |
| 89 | let mv_pred = mvi.pred_mb_mv(mb_x, mb_y, true, sstate.has_top, sstate.has_left, sstate.has_tr, sstate.has_tl); |
| 90 | mv_f = mv_pred + mvs[0]; |
| 91 | mv_b = mv_f; |
| 92 | }, |
| 93 | _ => { |
| 94 | mv_f = ZERO_MV; |
| 95 | mv_b = ZERO_MV; |
| 96 | }, |
| 97 | }; |
| 98 | (mv_f, mv_b) |
| 99 | } |
| 100 | fn quant_dc(&self, _is_intra: bool, q: u8) -> u8 { RV30_QUANT_DC[q as usize] } |
| 101 | } |
| 102 | |
| 103 | struct RealVideo30Decoder { |
| 104 | bd: RealVideo30BR, |
| 105 | info: NACodecInfoRef, |
| 106 | dec: RV34Decoder, |
| 107 | } |
| 108 | |
| 109 | impl RealVideo30Decoder { |
| 110 | fn new() -> Self { |
| 111 | RealVideo30Decoder{ |
| 112 | bd: RealVideo30BR::new(), |
| 113 | info: NACodecInfoRef::default(), |
| 114 | dec: RV34Decoder::new(true, Box::new(RV30DSP::new())), |
| 115 | } |
| 116 | } |
| 117 | } |
| 118 | |
| 119 | impl NADecoder for RealVideo30Decoder { |
| 120 | fn init(&mut self, info: NACodecInfoRef) -> DecoderResult<()> { |
| 121 | if let NACodecTypeInfo::Video(vinfo) = info.get_properties() { |
| 122 | let fmt = formats::YUV420_FORMAT; |
| 123 | let myinfo = NACodecTypeInfo::Video(NAVideoInfo::new(0, 0, false, fmt)); |
| 124 | self.info = NACodecInfo::new_ref(info.get_name(), myinfo, info.get_extradata()).into_ref(); |
| 125 | |
| 126 | let edata = info.get_extradata().unwrap(); |
| 127 | let src: &[u8] = &edata; |
| 128 | |
| 129 | if src.len() < 2 { return Err(DecoderError::InvalidData); } |
| 130 | let num_rpr = (src[1] & 7) as usize; |
| 131 | if src.len() < num_rpr * 2 + 8 { return Err(DecoderError::ShortData); } |
| 132 | self.bd.rpr_bits = ((num_rpr >> 1) + 1) as u8; |
| 133 | if self.bd.rpr_bits > 3 { self.bd.rpr_bits = 3; } |
| 134 | for i in 0..num_rpr+1 { |
| 135 | self.bd.widths.push ((src[6 + i * 2] as usize) << 2); |
| 136 | self.bd.heights.push((src[7 + i * 2] as usize) << 2); |
| 137 | } |
| 138 | |
| 139 | self.bd.width = vinfo.get_width(); |
| 140 | self.bd.height = vinfo.get_height(); |
| 141 | Ok(()) |
| 142 | } else { |
| 143 | println!("???"); |
| 144 | Err(DecoderError::InvalidData) |
| 145 | } |
| 146 | } |
| 147 | fn decode(&mut self, pkt: &NAPacket) -> DecoderResult<NAFrameRef> { |
| 148 | let src = pkt.get_buffer(); |
| 149 | |
| 150 | let (bufinfo, ftype, pts) = self.dec.parse_frame(src.as_slice(), &mut self.bd)?; |
| 151 | |
| 152 | let mut frm = NAFrame::new_from_pkt(pkt, self.info.clone(), bufinfo); |
| 153 | frm.set_keyframe(ftype == FrameType::I); |
| 154 | frm.set_pts(Some(pts)); |
| 155 | frm.set_frame_type(ftype);//if ftype == FrameType::B { FrameType::Skip } else { ftype } ); |
| 156 | Ok(Rc::new(RefCell::new(frm))) |
| 157 | } |
| 158 | } |
| 159 | |
| 160 | pub fn get_decoder() -> Box<NADecoder> { |
| 161 | Box::new(RealVideo30Decoder::new()) |
| 162 | } |
| 163 | |
| 164 | #[cfg(test)] |
| 165 | mod test { |
| 166 | use nihav_core::codecs::RegisteredDecoders; |
| 167 | use nihav_core::demuxers::RegisteredDemuxers; |
| 168 | use nihav_core::test::dec_video::*; |
| 169 | use crate::codecs::realmedia_register_all_codecs; |
| 170 | use crate::demuxers::realmedia_register_all_demuxers; |
| 171 | #[test] |
| 172 | fn test_rv30() { |
| 173 | let mut dmx_reg = RegisteredDemuxers::new(); |
| 174 | realmedia_register_all_demuxers(&mut dmx_reg); |
| 175 | let mut dec_reg = RegisteredDecoders::new(); |
| 176 | realmedia_register_all_codecs(&mut dec_reg); |
| 177 | |
| 178 | // test_file_decoding("realmedia", "assets/RV/rv30_chroma_drift.rm", Some(1000), true, false, /*None*/Some("rv30")); |
| 179 | test_file_decoding("realmedia", "assets/RV/rv30_weighted_mc.rm", Some(400), true, false, None/*Some("rv30")*/, &dmx_reg, &dec_reg); |
| 180 | // test_file_decoding("realmedia", "assets/RV/simpsons-clip.rm", Some(1337)/*Some(6666)*/, true, false, /*None*/Some("rv30")); |
| 181 | //panic!("end"); |
| 182 | } |
| 183 | } |
| 184 | |
| 185 | const RV30_QUANT_DC: [u8; 32] = [ |
| 186 | 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, |
| 187 | 16, 17, 18, 19, 20, 21, 22, 22, 22, 23, 23, 23, 24, 24, 25, 25 |
| 188 | ]; |
| 189 | |
| 190 | const RV30_MB_TYPES: [[MBType; 6]; 2] = [ |
| 191 | [ MBType::MBSkip, MBType::MBP16x16, MBType::MBP8x8, MBType::Invalid, MBType::MBIntra, MBType::MBIntra16 ], |
| 192 | [ MBType::MBSkip, MBType::MBDirect, MBType::MBForward, MBType::MBBackward, MBType::MBIntra, MBType::MBIntra16 ], |
| 193 | ]; |
| 194 | |
| 195 | const RV30_ITYPE_MAP: [i8; 9*9*2] = [ |
| 196 | 0, 0, 0, 1, 1, 0, 1, 1, 0, 2, 2, 0, 0, 3, 3, 0, 1, 2, |
| 197 | 2, 1, 0, 4, 4, 0, 3, 1, 1, 3, 0, 5, 5, 0, 2, 2, 1, 4, |
| 198 | 4, 1, 0, 6, 3, 2, 1, 5, 2, 3, 5, 1, 6, 0, 0, 7, 4, 2, |
| 199 | 2, 4, 3, 3, 6, 1, 1, 6, 7, 0, 0, 8, 5, 2, 4, 3, 2, 5, |
| 200 | 3, 4, 1, 7, 4, 4, 7, 1, 8, 0, 6, 2, 3, 5, 5, 3, 2, 6, |
| 201 | 1, 8, 2, 7, 7, 2, 8, 1, 5, 4, 4, 5, 3, 6, 6, 3, 8, 2, |
| 202 | 4, 6, 5, 5, 6, 4, 2, 8, 7, 3, 3, 7, 6, 5, 5, 6, 7, 4, |
| 203 | 4, 7, 8, 3, 3, 8, 7, 5, 8, 4, 5, 7, 4, 8, 6, 6, 7, 6, |
| 204 | 5, 8, 8, 5, 6, 7, 8, 6, 7, 7, 6, 8, 8, 7, 7, 8, 8, 8, |
| 205 | ]; |
| 206 | |
| 207 | const RV30_ITYPE: [i8; 10*10*9] = [ |
| 208 | 0, 9, 9, 9, 9, 9, 9, 9, 9, |
| 209 | 0, 2, 9, 9, 9, 9, 9, 9, 9, |
| 210 | 9, 9, 9, 9, 9, 9, 9, 9, 9, |
| 211 | 2, 0, 9, 9, 9, 9, 9, 9, 9, |
| 212 | 9, 9, 9, 9, 9, 9, 9, 9, 9, |
| 213 | 9, 9, 9, 9, 9, 9, 9, 9, 9, |
| 214 | 9, 9, 9, 9, 9, 9, 9, 9, 9, |
| 215 | 9, 9, 9, 9, 9, 9, 9, 9, 9, |
| 216 | 9, 9, 9, 9, 9, 9, 9, 9, 9, |
| 217 | 9, 9, 9, 9, 9, 9, 9, 9, 9, |
| 218 | |
| 219 | 0, 1, 9, 9, 9, 9, 9, 9, 9, |
| 220 | 0, 2, 1, 6, 4, 8, 5, 7, 3, |
| 221 | 1, 0, 2, 6, 5, 4, 3, 8, 7, |
| 222 | 2, 8, 0, 1, 7, 4, 3, 6, 5, |
| 223 | 2, 0, 1, 3, 8, 5, 4, 7, 6, |
| 224 | 2, 0, 1, 4, 6, 7, 8, 3, 5, |
| 225 | 0, 1, 5, 2, 6, 3, 8, 4, 7, |
| 226 | 0, 1, 6, 2, 4, 7, 5, 8, 3, |
| 227 | 2, 7, 0, 1, 4, 8, 6, 3, 5, |
| 228 | 2, 8, 0, 1, 7, 3, 4, 5, 6, |
| 229 | |
| 230 | 1, 0, 9, 9, 9, 9, 9, 9, 9, |
| 231 | 1, 2, 5, 6, 3, 0, 4, 8, 7, |
| 232 | 1, 6, 2, 5, 3, 0, 4, 8, 7, |
| 233 | 2, 1, 7, 6, 8, 3, 5, 0, 4, |
| 234 | 1, 2, 5, 3, 6, 8, 4, 7, 0, |
| 235 | 1, 6, 2, 0, 4, 5, 8, 7, 3, |
| 236 | 1, 5, 2, 6, 3, 8, 4, 0, 7, |
| 237 | 1, 6, 0, 2, 4, 5, 7, 3, 8, |
| 238 | 2, 1, 7, 6, 0, 8, 5, 4, 3, |
| 239 | 1, 2, 7, 8, 3, 4, 5, 6, 0, |
| 240 | |
| 241 | 9, 9, 9, 9, 9, 9, 9, 9, 9, |
| 242 | 0, 2, 1, 8, 7, 6, 5, 4, 3, |
| 243 | 1, 2, 0, 6, 5, 7, 4, 8, 3, |
| 244 | 2, 8, 7, 1, 0, 6, 4, 3, 5, |
| 245 | 2, 0, 8, 1, 3, 7, 5, 4, 6, |
| 246 | 2, 0, 4, 1, 7, 8, 6, 3, 5, |
| 247 | 2, 0, 1, 5, 8, 4, 6, 7, 3, |
| 248 | 2, 0, 6, 1, 4, 7, 8, 5, 3, |
| 249 | 2, 7, 8, 1, 0, 5, 4, 6, 3, |
| 250 | 2, 8, 7, 1, 0, 4, 3, 6, 5, |
| 251 | |
| 252 | 9, 9, 9, 9, 9, 9, 9, 9, 9, |
| 253 | 0, 2, 1, 3, 5, 8, 6, 4, 7, |
| 254 | 1, 0, 2, 5, 3, 6, 4, 8, 7, |
| 255 | 2, 8, 1, 0, 3, 5, 7, 6, 4, |
| 256 | 3, 2, 5, 8, 1, 4, 6, 7, 0, |
| 257 | 4, 2, 0, 6, 1, 5, 8, 3, 7, |
| 258 | 5, 3, 1, 2, 8, 6, 4, 0, 7, |
| 259 | 1, 6, 0, 2, 4, 5, 8, 3, 7, |
| 260 | 2, 7, 0, 1, 5, 4, 8, 6, 3, |
| 261 | 2, 8, 3, 5, 1, 0, 7, 6, 4, |
| 262 | |
| 263 | 9, 9, 9, 9, 9, 9, 9, 9, 9, |
| 264 | 2, 0, 6, 1, 4, 7, 5, 8, 3, |
| 265 | 1, 6, 2, 0, 4, 5, 3, 7, 8, |
| 266 | 2, 8, 7, 6, 4, 0, 1, 5, 3, |
| 267 | 4, 2, 1, 0, 6, 8, 3, 5, 7, |
| 268 | 4, 2, 6, 0, 1, 5, 7, 8, 3, |
| 269 | 1, 2, 5, 0, 6, 3, 4, 7, 8, |
| 270 | 6, 4, 0, 1, 2, 7, 5, 3, 8, |
| 271 | 2, 7, 4, 6, 0, 1, 8, 5, 3, |
| 272 | 2, 8, 7, 4, 6, 1, 3, 5, 0, |
| 273 | |
| 274 | 9, 9, 9, 9, 9, 9, 9, 9, 9, |
| 275 | 5, 1, 2, 3, 6, 8, 0, 4, 7, |
| 276 | 1, 5, 6, 3, 2, 0, 4, 8, 7, |
| 277 | 2, 1, 5, 3, 6, 8, 7, 4, 0, |
| 278 | 5, 3, 1, 2, 6, 8, 4, 7, 0, |
| 279 | 1, 6, 2, 4, 5, 8, 0, 3, 7, |
| 280 | 5, 1, 3, 6, 2, 0, 8, 4, 7, |
| 281 | 1, 6, 5, 2, 0, 4, 3, 7, 8, |
| 282 | 2, 7, 1, 6, 5, 0, 8, 3, 4, |
| 283 | 2, 5, 1, 3, 6, 8, 4, 0, 7, |
| 284 | |
| 285 | 9, 9, 9, 9, 9, 9, 9, 9, 9, |
| 286 | 1, 6, 2, 0, 5, 4, 3, 7, 8, |
| 287 | 1, 6, 5, 4, 2, 3, 0, 7, 8, |
| 288 | 2, 1, 6, 7, 4, 8, 5, 3, 0, |
| 289 | 2, 1, 6, 5, 8, 4, 3, 0, 7, |
| 290 | 6, 4, 1, 2, 0, 5, 7, 8, 3, |
| 291 | 1, 6, 5, 2, 3, 0, 4, 8, 7, |
| 292 | 6, 1, 4, 0, 2, 7, 5, 3, 8, |
| 293 | 2, 7, 4, 6, 1, 5, 0, 8, 3, |
| 294 | 2, 1, 6, 8, 4, 7, 3, 5, 0, |
| 295 | |
| 296 | 9, 9, 9, 9, 9, 9, 9, 9, 9, |
| 297 | 2, 0, 4, 7, 6, 1, 8, 5, 3, |
| 298 | 6, 1, 2, 0, 4, 7, 5, 8, 3, |
| 299 | 2, 7, 8, 0, 1, 6, 4, 3, 5, |
| 300 | 2, 4, 0, 8, 3, 1, 7, 6, 5, |
| 301 | 4, 2, 7, 0, 6, 1, 8, 5, 3, |
| 302 | 2, 1, 0, 8, 5, 6, 7, 4, 3, |
| 303 | 2, 6, 4, 1, 7, 0, 5, 8, 3, |
| 304 | 2, 7, 4, 0, 8, 6, 1, 5, 3, |
| 305 | 2, 8, 7, 4, 1, 0, 3, 6, 5, |
| 306 | |
| 307 | 9, 9, 9, 9, 9, 9, 9, 9, 9, |
| 308 | 2, 0, 8, 1, 3, 4, 6, 5, 7, |
| 309 | 1, 2, 0, 6, 8, 5, 7, 3, 4, |
| 310 | 2, 8, 7, 1, 0, 3, 6, 5, 4, |
| 311 | 8, 3, 2, 5, 1, 0, 4, 7, 6, |
| 312 | 2, 0, 4, 8, 5, 1, 7, 6, 3, |
| 313 | 2, 1, 0, 8, 5, 3, 6, 4, 7, |
| 314 | 2, 1, 6, 0, 8, 4, 5, 7, 3, |
| 315 | 2, 7, 8, 4, 0, 6, 1, 5, 3, |
| 316 | 2, 8, 3, 0, 7, 4, 1, 6, 5, |
| 317 | ]; |