| 1 | use super::*; |
| 2 | use nihav_core::demuxers::DemuxerError::*; |
| 3 | use std::io::SeekFrom; |
| 4 | use std::mem; |
| 5 | use std::fmt; |
| 6 | |
| 7 | macro_rules! mktag { |
| 8 | ($a:expr, $b:expr, $c:expr, $d:expr) => ({ |
| 9 | (($a as u32) << 24) | (($b as u32) << 16) | (($c as u32) << 8) | ($d as u32) |
| 10 | }); |
| 11 | ($arr:expr) => ({ |
| 12 | (($arr[0] as u32) << 24) | (($arr[1] as u32) << 16) | (($arr[2] as u32) << 8) | ($arr[3] as u32) |
| 13 | }); |
| 14 | } |
| 15 | |
| 16 | trait ReadSize { |
| 17 | fn read_size(&mut self, ver: u16) -> ByteIOResult<u64>; |
| 18 | } |
| 19 | |
| 20 | impl<'a> ReadSize for ByteReader<'a> { |
| 21 | fn read_size(&mut self, ver: u16) -> ByteIOResult<u64> { |
| 22 | match ver { |
| 23 | 0 => Ok(u64::from(self.read_u32be()?)), |
| 24 | 2 => self.read_u64be(), |
| 25 | _ => unreachable!(), |
| 26 | } |
| 27 | } |
| 28 | } |
| 29 | |
| 30 | const RM_SIPRO_BLOCK_SIZES: [usize; 4] = [ 29, 19, 37, 20 ]; |
| 31 | const RM_SIPRO_SWAPS: [[u8; 2]; 38] = [ |
| 32 | [ 0, 63 ], [ 1, 22 ], [ 2, 44 ], [ 3, 90 ], |
| 33 | [ 5, 81 ], [ 7, 31 ], [ 8, 86 ], [ 9, 58 ], |
| 34 | [ 10, 36 ], [ 12, 68 ], [ 13, 39 ], [ 14, 73 ], |
| 35 | [ 15, 53 ], [ 16, 69 ], [ 17, 57 ], [ 19, 88 ], |
| 36 | [ 20, 34 ], [ 21, 71 ], [ 24, 46 ], [ 25, 94 ], |
| 37 | [ 26, 54 ], [ 28, 75 ], [ 29, 50 ], [ 32, 70 ], |
| 38 | [ 33, 92 ], [ 35, 74 ], [ 38, 85 ], [ 40, 56 ], |
| 39 | [ 42, 87 ], [ 43, 65 ], [ 45, 59 ], [ 48, 79 ], |
| 40 | [ 49, 93 ], [ 51, 89 ], [ 55, 95 ], [ 61, 76 ], |
| 41 | [ 67, 83 ], [ 77, 80 ] |
| 42 | ]; |
| 43 | |
| 44 | struct RMVideoStream { |
| 45 | frame: Vec<u8>, |
| 46 | hdr_size: usize, |
| 47 | frame_size: usize, |
| 48 | frame_pos: usize, |
| 49 | } |
| 50 | |
| 51 | impl RMVideoStream { |
| 52 | fn new() -> Self { |
| 53 | RMVideoStream { |
| 54 | frame: Vec::new(), |
| 55 | hdr_size: 0, |
| 56 | frame_size: 0, |
| 57 | frame_pos: 0, |
| 58 | } |
| 59 | } |
| 60 | fn flush(&mut self) { |
| 61 | self.frame.clear(); |
| 62 | self.frame_size = 0; |
| 63 | self.frame_pos = 0; |
| 64 | } |
| 65 | fn start_slice(&mut self, num_slices: usize, frame_size: usize, data: &[u8]) { |
| 66 | self.hdr_size = num_slices * 8 + 1; |
| 67 | self.frame.resize(frame_size + self.hdr_size, 0); |
| 68 | self.frame[0] = (num_slices - 1) as u8; |
| 69 | self.frame_pos = 0; |
| 70 | self.add_slice(1, data).unwrap(); |
| 71 | } |
| 72 | fn add_slice(&mut self, slice_no: usize, data: &[u8]) -> DemuxerResult<()> { |
| 73 | validate!(self.hdr_size + self.frame_pos + data.len() <= self.frame.len()); |
| 74 | self.write_slice_info(slice_no); |
| 75 | let dslice = &mut self.frame[self.hdr_size + self.frame_pos..][..data.len()]; |
| 76 | dslice.copy_from_slice(data); |
| 77 | self.frame_pos += data.len(); |
| 78 | Ok(()) |
| 79 | } |
| 80 | fn write_slice_info(&mut self, slice_no: usize) { |
| 81 | let off = 1 + (slice_no - 1) * 8; |
| 82 | self.frame[off + 0] = 0; |
| 83 | self.frame[off + 1] = 0; |
| 84 | self.frame[off + 2] = 0; |
| 85 | self.frame[off + 3] = 1; |
| 86 | self.frame[off + 4] = (self.frame_pos >> 24) as u8; |
| 87 | self.frame[off + 5] = (self.frame_pos >> 16) as u8; |
| 88 | self.frame[off + 6] = (self.frame_pos >> 8) as u8; |
| 89 | self.frame[off + 7] = (self.frame_pos >> 0) as u8; |
| 90 | } |
| 91 | fn get_frame_data(&mut self) -> Vec<u8> { |
| 92 | let mut v: Vec<u8> = Vec::new(); |
| 93 | mem::swap(&mut v, &mut self.frame); |
| 94 | self.flush(); |
| 95 | v |
| 96 | } |
| 97 | } |
| 98 | |
| 99 | #[derive(Clone,Copy,PartialEq)] |
| 100 | enum Deinterleaver { |
| 101 | None, |
| 102 | RA28_8, |
| 103 | Generic, |
| 104 | Sipro, |
| 105 | VBR, |
| 106 | } |
| 107 | |
| 108 | struct RMAudioStream { |
| 109 | deint: Deinterleaver, |
| 110 | iinfo: Option<InterleaveInfo>, |
| 111 | buf: Vec<u8>, |
| 112 | sub_packet: usize, |
| 113 | } |
| 114 | |
| 115 | const RM_ILEAVE_INT0: u32 = mktag!(b"Int0"); |
| 116 | const RM_ILEAVE_INT4: u32 = mktag!(b"Int4"); |
| 117 | const RM_ILEAVE_GENR: u32 = mktag!(b"genr"); |
| 118 | const RM_ILEAVE_SIPR: u32 = mktag!(b"sipr"); |
| 119 | const RM_ILEAVE_VBRF: u32 = mktag!(b"vbrf"); |
| 120 | const RM_ILEAVE_VBRS: u32 = mktag!(b"vbrs"); |
| 121 | |
| 122 | impl RMAudioStream { |
| 123 | fn new(iinfo: Option<InterleaveInfo>) -> Self { |
| 124 | let deint; |
| 125 | let buf: Vec<u8>; |
| 126 | if let Some(info) = iinfo { |
| 127 | deint = match info.id { |
| 128 | RM_ILEAVE_INT0 => Deinterleaver::None, |
| 129 | RM_ILEAVE_INT4 => Deinterleaver::RA28_8, |
| 130 | RM_ILEAVE_GENR => Deinterleaver::Generic, |
| 131 | RM_ILEAVE_SIPR => Deinterleaver::Sipro, |
| 132 | RM_ILEAVE_VBRF => Deinterleaver::VBR, |
| 133 | RM_ILEAVE_VBRS => Deinterleaver::VBR, |
| 134 | _ => {println!("unknown deint {:X}", info.id); Deinterleaver::None }, |
| 135 | }; |
| 136 | match deint { |
| 137 | Deinterleaver::None => { buf = Vec::new(); }, |
| 138 | Deinterleaver::RA28_8 | |
| 139 | Deinterleaver::Generic | |
| 140 | Deinterleaver::Sipro => { |
| 141 | let bsize = (info.frame_size as usize) * (info.factor as usize); |
| 142 | buf = vec![0; bsize]; |
| 143 | }, |
| 144 | Deinterleaver::VBR => { |
| 145 | buf = Vec::new(); |
| 146 | }, |
| 147 | }; |
| 148 | } else { |
| 149 | deint = Deinterleaver::None; |
| 150 | buf = Vec::new(); |
| 151 | } |
| 152 | RMAudioStream { deint, iinfo, buf, sub_packet: 0 } |
| 153 | } |
| 154 | fn read_apackets(&mut self, queued_packets: &mut Vec<NAPacket>, src: &mut ByteReader, stream: NAStreamRef, ts: u32, keyframe: bool, payload_size: usize) -> DemuxerResult<NAPacket> { |
| 155 | let ts = stream.make_ts(Some(ts as u64), None, None); |
| 156 | |
| 157 | if keyframe { |
| 158 | self.sub_packet = 0; |
| 159 | } |
| 160 | match self.deint { |
| 161 | Deinterleaver::None => { return src.read_packet(stream, ts, keyframe, payload_size); }, |
| 162 | Deinterleaver::RA28_8 => { |
| 163 | let iinfo = self.iinfo.unwrap(); |
| 164 | let factor = iinfo.factor as usize; |
| 165 | let halffact = factor >> 1; |
| 166 | let fsize = iinfo.frame_size as usize; |
| 167 | let bsize = iinfo.block_size as usize; |
| 168 | let ppos = self.sub_packet; |
| 169 | for sb in 0..halffact { |
| 170 | let dst = &mut self.buf[sb * 2 * fsize + ppos * bsize..][..bsize]; |
| 171 | src.read_buf(dst)?; |
| 172 | } |
| 173 | self.sub_packet += 1; |
| 174 | if self.sub_packet == factor { |
| 175 | self.sub_packet = 0; |
| 176 | return Ok(NAPacket::new(stream, ts, true, self.buf.clone())); |
| 177 | } else { |
| 178 | return Err(DemuxerError::TryAgain); |
| 179 | } |
| 180 | }, |
| 181 | Deinterleaver::Generic => { |
| 182 | let iinfo = self.iinfo.unwrap(); |
| 183 | let factor = iinfo.factor as usize; |
| 184 | let fsize = iinfo.frame_size as usize; |
| 185 | let bsize = iinfo.block_size as usize; |
| 186 | let factor2 = fsize / bsize; |
| 187 | let ppos = self.sub_packet; |
| 188 | |
| 189 | for sb in 0..factor2 { |
| 190 | let sb_pos = factor * sb + ((factor + 1) >> 1) * (ppos & 1) + (ppos >> 1); |
| 191 | let dst = &mut self.buf[bsize * sb_pos..][..bsize]; |
| 192 | src.read_buf(dst)?; |
| 193 | } |
| 194 | }, |
| 195 | Deinterleaver::Sipro => { |
| 196 | let iinfo = self.iinfo.unwrap(); |
| 197 | let fsize = iinfo.frame_size as usize; |
| 198 | let ppos = self.sub_packet; |
| 199 | |
| 200 | let dst = &mut self.buf[fsize * ppos..][..fsize]; |
| 201 | src.read_buf(dst)?; |
| 202 | }, |
| 203 | Deinterleaver::VBR => { |
| 204 | validate!(payload_size >= 5); |
| 205 | let hdrsizesize = src.read_u16be()?; |
| 206 | let num_entries = (hdrsizesize / 16) as usize; |
| 207 | validate!(payload_size >= num_entries * 3 + 2); |
| 208 | let mut sizes: Vec<usize> = Vec::with_capacity(num_entries); |
| 209 | let mut tot_size = 0; |
| 210 | for _ in 0..num_entries { |
| 211 | let sz = src.read_u16be()? as usize; |
| 212 | tot_size += sz; |
| 213 | sizes.push(sz); |
| 214 | } |
| 215 | validate!(tot_size + num_entries * 2 + 2 == payload_size); |
| 216 | let pkt_ts = stream.make_ts(None, None, None); |
| 217 | let mut first = true; |
| 218 | for size in sizes.iter() { |
| 219 | let cur_ts = if first { ts } else { pkt_ts }; |
| 220 | first = false; |
| 221 | let pkt = src.read_packet(stream.clone(), cur_ts, true, *size)?; |
| 222 | queued_packets.push(pkt); |
| 223 | } |
| 224 | queued_packets.reverse(); |
| 225 | let pkt0 = queued_packets.pop().unwrap(); |
| 226 | return Ok(pkt0); |
| 227 | }, |
| 228 | }; |
| 229 | |
| 230 | let iinfo = self.iinfo.unwrap(); |
| 231 | let factor = iinfo.factor as usize; |
| 232 | let fsize = if iinfo.block_size != 0 { iinfo.block_size } else { iinfo.frame_size } as usize; |
| 233 | |
| 234 | self.sub_packet += 1; |
| 235 | if self.sub_packet < factor { |
| 236 | return Err(DemuxerError::TryAgain); |
| 237 | } |
| 238 | |
| 239 | self.sub_packet = 0; |
| 240 | |
| 241 | if self.deint == Deinterleaver::Sipro { |
| 242 | sipro_restore(&mut self.buf, factor, iinfo.frame_size as usize); |
| 243 | } |
| 244 | |
| 245 | let mut frames_iter = self.buf.chunks(fsize); |
| 246 | let pkt0 = frames_iter.next().unwrap(); |
| 247 | |
| 248 | let pkt_ts = stream.make_ts(None, None, None); |
| 249 | for pkts in frames_iter { |
| 250 | let pkt = NAPacket::new(stream.clone(), pkt_ts, true, pkts.to_vec()); |
| 251 | queued_packets.push(pkt); |
| 252 | } |
| 253 | queued_packets.reverse(); |
| 254 | Ok(NAPacket::new(stream, ts, true, pkt0.to_vec())) |
| 255 | } |
| 256 | } |
| 257 | |
| 258 | fn sipro_restore(buf: &mut [u8], factor: usize, fsize: usize) { |
| 259 | let stride = factor * fsize * 2 / 96; |
| 260 | for i in 0..38 { |
| 261 | let mut sidx = (RM_SIPRO_SWAPS[i][0] as usize) * stride; |
| 262 | let mut didx = (RM_SIPRO_SWAPS[i][1] as usize) * stride; |
| 263 | for _ in 0..stride { |
| 264 | let in0 = buf[sidx >> 1]; |
| 265 | let in1 = buf[didx >> 1]; |
| 266 | let nib0 = (in0 >> ((sidx & 1) * 4)) & 0xF; |
| 267 | let nib1 = (in1 >> ((didx & 1) * 4)) & 0xF; |
| 268 | |
| 269 | buf[didx >> 1] = (nib0 << (4 * (didx & 1))) | (in1 & (0xF << (4 * (!didx & 1)))); |
| 270 | buf[sidx >> 1] = (nib1 << (4 * (sidx & 1))) | (in0 & (0xF << (4 * (!sidx & 1)))); |
| 271 | |
| 272 | sidx += 1; |
| 273 | didx += 1; |
| 274 | } |
| 275 | } |
| 276 | } |
| 277 | |
| 278 | struct SubstreamInfo { |
| 279 | id: u32, |
| 280 | map: Vec<u16>, |
| 281 | str_ids: Vec<u32>, |
| 282 | } |
| 283 | |
| 284 | struct MLTIMapper { |
| 285 | sub_info: Vec<SubstreamInfo>, |
| 286 | sstr_id: u32, |
| 287 | } |
| 288 | |
| 289 | impl MLTIMapper { |
| 290 | fn new() -> Self { |
| 291 | MLTIMapper { |
| 292 | sub_info: Vec::new(), |
| 293 | sstr_id: 0x10000, |
| 294 | } |
| 295 | } |
| 296 | fn add_stream(&mut self, stream_no: u32) { |
| 297 | let ssinfo = SubstreamInfo { id: stream_no, map: Vec::new(), str_ids: Vec::new() }; |
| 298 | self.sub_info.push(ssinfo); |
| 299 | } |
| 300 | fn get_substream_no(&self) -> u32 { |
| 301 | self.sstr_id - 1 |
| 302 | } |
| 303 | fn find_idx(&self, stream_no: u32) -> Option<usize> { |
| 304 | self.sub_info.iter().position(|x| x.id == stream_no) |
| 305 | } |
| 306 | fn add_map_rule(&mut self, map_ss: u16) { |
| 307 | let idx = self.sub_info.len() - 1; |
| 308 | self.sub_info[idx].map.push(map_ss); |
| 309 | } |
| 310 | fn add_substream(&mut self) { |
| 311 | let idx = self.sub_info.len() - 1; |
| 312 | self.sub_info[idx].str_ids.push(self.sstr_id); |
| 313 | self.sstr_id += 1; |
| 314 | } |
| 315 | fn is_mlti_stream(&self, stream_no: u32) -> bool { |
| 316 | self.find_idx(stream_no).is_some() |
| 317 | } |
| 318 | fn find_substream(&self, stream_no: u32, grp: u16) -> Option<u32> { |
| 319 | if let Some(idx) = self.find_idx(stream_no) { |
| 320 | if (grp as usize) < self.sub_info[idx].map.len() { |
| 321 | let sub_id = self.sub_info[idx].map[grp as usize] as usize; |
| 322 | if sub_id < self.sub_info[idx].str_ids.len() { |
| 323 | return Some(self.sub_info[idx].str_ids[sub_id]); |
| 324 | } |
| 325 | } |
| 326 | } |
| 327 | None |
| 328 | } |
| 329 | } |
| 330 | |
| 331 | enum RMStreamType { |
| 332 | Audio(RMAudioStream), |
| 333 | Video(RMVideoStream), |
| 334 | Logical, |
| 335 | Unknown, |
| 336 | } |
| 337 | |
| 338 | struct CommonStreamData { |
| 339 | streams: Vec<RMStreamType>, |
| 340 | str_ids: Vec<u32>, |
| 341 | mlti_mapper: MLTIMapper, |
| 342 | } |
| 343 | |
| 344 | impl CommonStreamData { |
| 345 | fn new() -> Self { |
| 346 | CommonStreamData { |
| 347 | streams: Vec::new(), |
| 348 | str_ids: Vec::new(), |
| 349 | mlti_mapper: MLTIMapper::new(), |
| 350 | } |
| 351 | } |
| 352 | fn get_stream_id(&self, str_no: u32, pkt_grp: u16) -> u32 { |
| 353 | if !self.mlti_mapper.is_mlti_stream(str_no) { |
| 354 | str_no |
| 355 | } else { |
| 356 | self.mlti_mapper.find_substream(str_no, pkt_grp).unwrap() |
| 357 | } |
| 358 | } |
| 359 | fn find_stream(&self, stream_id: u32) -> Option<usize> { |
| 360 | self.str_ids.iter().position(|x| *x == stream_id) |
| 361 | } |
| 362 | } |
| 363 | |
| 364 | struct RealMediaDemuxer<'a> { |
| 365 | src: &'a mut ByteReader<'a>, |
| 366 | data_pos: u64, |
| 367 | data_end: u64, |
| 368 | next_data: u64, |
| 369 | data_ver: u16, |
| 370 | num_packets: u32, |
| 371 | cur_packet: u32, |
| 372 | |
| 373 | str_data: CommonStreamData, |
| 374 | |
| 375 | data_chunks: Vec<(u64, u32, u16)>, |
| 376 | cur_data_chunk: usize, |
| 377 | |
| 378 | queued_pkts: Vec<NAPacket>, |
| 379 | slice_buf: Vec<u8>, |
| 380 | } |
| 381 | |
| 382 | fn find_codec_name(registry: &[(&[u8;4], &'static str)], fcc: u32) -> &'static str { |
| 383 | for &(fourcc, name) in registry { |
| 384 | if mktag!(fourcc) == fcc { return name; } |
| 385 | } |
| 386 | "unknown" |
| 387 | } |
| 388 | |
| 389 | fn read_14or30(src: &mut ByteReader) -> DemuxerResult<(bool, u32)> { |
| 390 | let tmp = src.read_u16be()?; |
| 391 | let flag = (tmp & 0x8000) != 0; |
| 392 | if (tmp & 0x4000) == 0x4000 { |
| 393 | Ok((flag, ((tmp & 0x3FFF) as u32))) |
| 394 | } else { |
| 395 | let val = ((tmp as u32) << 16) | (src.read_u16be()? as u32); |
| 396 | Ok((flag, val & 0x3FFFFFFF)) |
| 397 | } |
| 398 | } |
| 399 | |
| 400 | fn read_video_buf(src: &mut ByteReader, stream: NAStreamRef, ts: u32, keyframe: bool, frame_size: usize) -> DemuxerResult<NAPacket> { |
| 401 | let size = (frame_size as usize) + 9; |
| 402 | let mut vec: Vec<u8> = vec![0; size]; |
| 403 | //v[0] = 0; // 1 slice |
| 404 | vec[4] = 1; |
| 405 | src.read_buf(&mut vec[9..])?; |
| 406 | |
| 407 | let ts = stream.make_ts(Some(ts as u64), None, None); |
| 408 | Ok(NAPacket::new(stream, ts, keyframe, vec)) |
| 409 | } |
| 410 | |
| 411 | fn read_multiple_frame(src: &mut ByteReader, stream: NAStreamRef, keyframe: bool, skip_mtype: bool) -> DemuxerResult<NAPacket> { |
| 412 | if !skip_mtype { |
| 413 | let mtype = src.read_byte()?; |
| 414 | validate!(mtype == 0xC0); |
| 415 | } |
| 416 | let (_, frame_size) = read_14or30(src)?; |
| 417 | let (_, timestamp) = read_14or30(src)?; |
| 418 | let _seq_no = src.read_byte()?; |
| 419 | |
| 420 | read_video_buf(src, stream, timestamp, keyframe, frame_size as usize) |
| 421 | } |
| 422 | |
| 423 | struct RMDemuxCommon {} |
| 424 | |
| 425 | impl RMDemuxCommon { |
| 426 | fn parse_stream_info(str_data: &mut CommonStreamData, strmgr: &mut StreamManager, stream_no: u32, edata: &[u8], duration: u32) -> DemuxerResult<bool> { |
| 427 | let mut is_mlti = false; |
| 428 | let mut mr = MemoryReader::new_read(edata); |
| 429 | let mut src = ByteReader::new(&mut mr); |
| 430 | let tag = src.read_u32be()?; |
| 431 | let tag2 = src.peek_u32be()?; |
| 432 | if tag == mktag!('.', 'r', 'a', 0xFD) { |
| 433 | Self::parse_audio_stream(strmgr, &mut str_data.streams, stream_no, &mut src, edata, duration)?; |
| 434 | } else if ((tag2 == mktag!('V', 'I', 'D', 'O')) || (tag2 == mktag!('I', 'M', 'A', 'G'))) && ((tag as usize) <= edata.len()) { |
| 435 | Self::parse_video_stream(strmgr, &mut str_data.streams, stream_no, &mut src, edata, tag2, duration)?; |
| 436 | } else if tag == mktag!(b"LSD:") { |
| 437 | let extradata = Some(edata.to_owned()); |
| 438 | |
| 439 | src.read_skip(4)?; //version |
| 440 | let channels = src.read_u16be()?; |
| 441 | let samp_size = src.read_u16be()?; |
| 442 | let sample_rate = src.read_u32be()?; |
| 443 | |
| 444 | let soniton = NASoniton::new(samp_size as u8, SONITON_FLAG_SIGNED); |
| 445 | let ahdr = NAAudioInfo::new(sample_rate, channels as u8, soniton, 1); |
| 446 | let nainfo = NACodecInfo::new("ralf", NACodecTypeInfo::Audio(ahdr), extradata); |
| 447 | let res = strmgr.add_stream(NAStream::new(StreamType::Audio, stream_no as u32, nainfo, 1, 1000, u64::from(duration))); |
| 448 | if res.is_none() { return Err(MemoryError); } |
| 449 | let astr = RMAudioStream::new(None); |
| 450 | str_data.streams.push(RMStreamType::Audio(astr)); |
| 451 | } else if tag == mktag!(b"MLTI") { |
| 452 | is_mlti = true; |
| 453 | let num_rules = src.read_u16be()? as usize; |
| 454 | let mut max_sub = 0; |
| 455 | str_data.mlti_mapper.add_stream(stream_no); |
| 456 | for _ in 0..num_rules { |
| 457 | let substr = src.read_u16be()?; |
| 458 | max_sub = max_sub.max(substr); |
| 459 | str_data.mlti_mapper.add_map_rule(substr); |
| 460 | } |
| 461 | let num_substreams = src.read_u16be()? as usize; |
| 462 | validate!(num_substreams > (max_sub as usize)); |
| 463 | for _ in 0..num_substreams { |
| 464 | let hdr_size = src.read_u32be()? as usize; |
| 465 | validate!(hdr_size > 8); |
| 466 | let pos = src.tell() as usize; |
| 467 | src.read_skip(hdr_size)?; |
| 468 | str_data.mlti_mapper.add_substream(); |
| 469 | { |
| 470 | let hdrsrc = &edata[pos..][..hdr_size]; |
| 471 | let mut mr = MemoryReader::new_read(hdrsrc); |
| 472 | let mut hsrc = ByteReader::new(&mut mr); |
| 473 | |
| 474 | let tag = hsrc.read_u32be()?; |
| 475 | let tag2 = hsrc.peek_u32be()?; |
| 476 | let stream_no = str_data.mlti_mapper.get_substream_no(); |
| 477 | //todo check that all substreams are of the same type"); |
| 478 | if tag == mktag!('.', 'r', 'a', 0xFD) { |
| 479 | Self::parse_audio_stream(strmgr, &mut str_data.streams, stream_no, &mut hsrc, hdrsrc, duration)?; |
| 480 | } else if (tag2 == mktag!('V', 'I', 'D', 'O')) && ((tag as usize) <= hdr_size) { |
| 481 | Self::parse_video_stream(strmgr, &mut str_data.streams, stream_no, &mut hsrc, hdrsrc, tag2, duration)?; |
| 482 | } else { |
| 483 | println!("unknown MLTI substream {:08X} / {:08X}", tag, tag2); |
| 484 | return Err(DemuxerError::InvalidData); |
| 485 | } |
| 486 | str_data.str_ids.push(stream_no); |
| 487 | } |
| 488 | } |
| 489 | } else { |
| 490 | str_data.streams.push(RMStreamType::Logical); |
| 491 | } |
| 492 | Ok(is_mlti) |
| 493 | } |
| 494 | fn parse_audio_stream(strmgr: &mut StreamManager, streams: &mut Vec<RMStreamType>, stream_no: u32, src: &mut ByteReader, edata_: &[u8], duration: u32) -> DemuxerResult<()> { |
| 495 | let ver = src.read_u16be()?; |
| 496 | let ainfo = match ver { |
| 497 | 3 => { |
| 498 | parse_aformat3(src)? |
| 499 | }, |
| 500 | 4 => { |
| 501 | parse_aformat4(src)? |
| 502 | }, |
| 503 | 5 => { |
| 504 | parse_aformat5(src)? |
| 505 | }, |
| 506 | _ => { |
| 507 | println!("unknown version {}", ver); |
| 508 | return Err(DemuxerError::InvalidData); |
| 509 | }, |
| 510 | }; |
| 511 | let cname = find_codec_name(RM_AUDIO_CODEC_REGISTER, ainfo.fcc); |
| 512 | let blk_size = if ainfo.fcc != mktag!(b"sipr") { |
| 513 | ainfo.granularity as usize |
| 514 | } else { |
| 515 | validate!(ainfo.flavor <= 3); |
| 516 | RM_SIPRO_BLOCK_SIZES[ainfo.flavor as usize] |
| 517 | }; |
| 518 | let srate = ainfo.sample_rate; |
| 519 | let soniton = NASoniton::new(ainfo.sample_size as u8, SONITON_FLAG_SIGNED); |
| 520 | let ahdr = NAAudioInfo::new(srate, ainfo.channels as u8, soniton, blk_size); |
| 521 | let extradata = if ainfo.edata_size == 0 { |
| 522 | None |
| 523 | } else { |
| 524 | let eslice = &edata_[(src.tell() as usize)..]; |
| 525 | Some(eslice.to_vec()) |
| 526 | }; |
| 527 | let duration = if duration == 0 { ainfo.get_duration(1000) } else { u64::from(duration) }; |
| 528 | let nainfo = NACodecInfo::new(cname, NACodecTypeInfo::Audio(ahdr), extradata); |
| 529 | let res = strmgr.add_stream(NAStream::new(StreamType::Audio, stream_no as u32, nainfo, 1, 1000, duration)); |
| 530 | if res.is_none() { return Err(MemoryError); } |
| 531 | |
| 532 | let astr = RMAudioStream::new(ainfo.ileave_info); |
| 533 | streams.push(RMStreamType::Audio(astr)); |
| 534 | Ok(()) |
| 535 | } |
| 536 | #[allow(unused_variables)] |
| 537 | fn parse_video_stream(strmgr: &mut StreamManager, streams: &mut Vec<RMStreamType>, stream_no: u32, src: &mut ByteReader, edata_: &[u8], tag2: u32, duration: u32) -> DemuxerResult<()> { |
| 538 | src.read_skip(4)?; |
| 539 | let fcc = src.read_u32be()?; |
| 540 | let width = src.read_u16be()? as usize; |
| 541 | let height = src.read_u16be()? as usize; |
| 542 | let bpp = src.read_u16be()?; |
| 543 | let pad_w = src.read_u16be()?; |
| 544 | let pad_h = src.read_u16be()?; |
| 545 | let _fps; |
| 546 | if tag2 == mktag!('V', 'I', 'D', 'O') { |
| 547 | _fps = src.read_u32be()?; |
| 548 | } else { |
| 549 | _fps = 0x10000; |
| 550 | } |
| 551 | let extradata: Option<Vec<u8>>; |
| 552 | if src.left() > 0 { |
| 553 | let eslice = &edata_[(src.tell() as usize)..]; |
| 554 | extradata = Some(eslice.to_vec()); |
| 555 | } else { |
| 556 | extradata = None; |
| 557 | } |
| 558 | let cname = find_codec_name(RM_VIDEO_CODEC_REGISTER, fcc); |
| 559 | |
| 560 | let vhdr = NAVideoInfo::new(width, height, false, RGB24_FORMAT); |
| 561 | let vinfo = NACodecInfo::new(cname, NACodecTypeInfo::Video(vhdr), extradata); |
| 562 | let res = strmgr.add_stream(NAStream::new(StreamType::Video, stream_no as u32, vinfo, 1, 1000, u64::from(duration))); |
| 563 | if res.is_none() { return Err(DemuxerError::MemoryError); } |
| 564 | |
| 565 | let vstr = RMVideoStream::new(); |
| 566 | streams.push(RMStreamType::Video(vstr)); |
| 567 | Ok(()) |
| 568 | } |
| 569 | #[allow(unused_variables)] |
| 570 | fn parse_packet_payload(src: &mut ByteReader, rmstream: &mut RMStreamType, stream: NAStreamRef, slice_buf: &mut Vec<u8>, queued_pkts: &mut Vec<NAPacket>, keyframe: bool, ts: u32, payload_size: usize) -> DemuxerResult<NAPacket> { |
| 571 | match rmstream { |
| 572 | RMStreamType::Video(ref mut vstr) => { |
| 573 | |
| 574 | let pos = src.tell(); |
| 575 | let b0 = src.read_byte()?; |
| 576 | match b0 >> 6 { |
| 577 | 0 => { // partial frame |
| 578 | let b1 = src.read_byte()?; |
| 579 | let hdr1 = ((b0 as u16) << 8) | (b1 as u16); |
| 580 | let num_pkts = ((hdr1 >> 7) & 0x7F) as usize; |
| 581 | let packet_num = hdr1 & 0x7F; |
| 582 | let (_, frame_size) = read_14or30(src)?; |
| 583 | let (_, off) = read_14or30(src)?; |
| 584 | let seq_no = src.read_byte()?; |
| 585 | let hdr_skip = (src.tell() - pos) as usize; |
| 586 | |
| 587 | let slice_size = (payload_size - hdr_skip) as usize; |
| 588 | slice_buf.resize(slice_size, 0); |
| 589 | src.read_buf(slice_buf.as_mut_slice())?; |
| 590 | if packet_num == 1 { |
| 591 | vstr.start_slice(num_pkts, frame_size as usize, slice_buf.as_slice()); |
| 592 | } else { |
| 593 | vstr.add_slice(packet_num as usize, slice_buf.as_slice())?; |
| 594 | } |
| 595 | if (packet_num as usize) < num_pkts { |
| 596 | return Err(DemuxerError::TryAgain); |
| 597 | } |
| 598 | //todo: check if full frame is received |
| 599 | let ts = stream.make_ts(Some(ts as u64), None, None); |
| 600 | let pkt = NAPacket::new(stream, ts, keyframe, vstr.get_frame_data()); |
| 601 | Ok(pkt) |
| 602 | }, |
| 603 | 1 => { // whole frame |
| 604 | let seq_no = src.read_byte()?; |
| 605 | read_video_buf(src, stream, ts, keyframe, payload_size - 2) |
| 606 | }, |
| 607 | 2 => { // last partial frame |
| 608 | let b1 = src.read_byte()?; |
| 609 | let hdr1 = ((b0 as u16) << 8) | (b1 as u16); |
| 610 | let num_pkts = ((hdr1 >> 7) & 0x7F) as usize; |
| 611 | let packet_num = hdr1 & 0x7F; |
| 612 | let (_, frame_size) = read_14or30(src)?; |
| 613 | let (_, tail_size) = read_14or30(src)?; |
| 614 | let seq_no = src.read_byte()?; |
| 615 | slice_buf.resize(tail_size as usize, 0); |
| 616 | src.read_buf(slice_buf.as_mut_slice())?; |
| 617 | if packet_num == 1 && frame_size == tail_size { |
| 618 | vstr.start_slice(num_pkts, frame_size as usize, slice_buf.as_slice()); |
| 619 | } else { |
| 620 | vstr.add_slice(packet_num as usize, slice_buf.as_slice())?; |
| 621 | } |
| 622 | |
| 623 | while src.tell() < pos + (payload_size as u64) { |
| 624 | let res = read_multiple_frame(src, stream.clone(), false, false); |
| 625 | if res.is_err() { break; } |
| 626 | queued_pkts.push(res.unwrap()); |
| 627 | } |
| 628 | queued_pkts.reverse(); |
| 629 | let ts = stream.make_ts(Some(ts as u64), None, None); |
| 630 | let pkt = NAPacket::new(stream, ts, keyframe, vstr.get_frame_data()); |
| 631 | Ok(pkt) |
| 632 | }, |
| 633 | _ => { // multiple frames |
| 634 | let res = read_multiple_frame(src, stream.clone(), keyframe, true); |
| 635 | if res.is_err() { return res; } |
| 636 | while src.tell() < pos + (payload_size as u64) { |
| 637 | let res = read_multiple_frame(src, stream.clone(), false, false); |
| 638 | if res.is_err() { break; } |
| 639 | queued_pkts.push(res.unwrap()); |
| 640 | } |
| 641 | queued_pkts.reverse(); |
| 642 | res |
| 643 | }, |
| 644 | } |
| 645 | }, |
| 646 | RMStreamType::Audio(ref mut astr) => { |
| 647 | astr.read_apackets(queued_pkts, src, stream, ts, keyframe, payload_size) |
| 648 | }, |
| 649 | _ => { |
| 650 | src.read_skip(payload_size)?; |
| 651 | Err(DemuxerError::InvalidData) |
| 652 | }, |
| 653 | } |
| 654 | } |
| 655 | } |
| 656 | |
| 657 | impl<'a> DemuxCore<'a> for RealMediaDemuxer<'a> { |
| 658 | fn open(&mut self, strmgr: &mut StreamManager, seek_idx: &mut SeekIndex) -> DemuxerResult<()> { |
| 659 | self.read_header(strmgr, seek_idx)?; |
| 660 | Ok(()) |
| 661 | } |
| 662 | |
| 663 | #[allow(unused_variables)] |
| 664 | fn get_frame(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<NAPacket> { |
| 665 | if !self.queued_pkts.is_empty() { |
| 666 | let pkt = self.queued_pkts.pop().unwrap(); |
| 667 | return Ok(pkt); |
| 668 | } |
| 669 | loop { |
| 670 | if (self.cur_packet >= self.num_packets) || (self.src.tell() >= self.data_end) { |
| 671 | self.cur_data_chunk += 1; |
| 672 | if self.cur_data_chunk < self.data_chunks.len() { |
| 673 | let (pos, _, _) = self.data_chunks[self.cur_data_chunk]; |
| 674 | self.src.seek(SeekFrom::Start(pos))?; |
| 675 | let res = read_chunk(self.src); |
| 676 | if let Ok((id, size, ver)) = res { |
| 677 | self.data_pos = self.src.tell(); |
| 678 | self.data_ver = ver; |
| 679 | self.data_end = self.data_pos + (size as u64); |
| 680 | if self.parse_data_start().is_ok() { |
| 681 | continue; |
| 682 | } |
| 683 | } |
| 684 | } |
| 685 | return Err(DemuxerError::EOF); |
| 686 | } |
| 687 | |
| 688 | let pkt_start = self.src.tell(); |
| 689 | let ver = self.src.read_u16be()?; |
| 690 | validate!(ver <= 1); |
| 691 | let len = self.src.read_u16be()? as usize; |
| 692 | let str_no = self.src.read_u16be()? as u32; |
| 693 | let ts = self.src.read_u32be()?; |
| 694 | let pkt_grp; |
| 695 | let flags; |
| 696 | if ver == 0 { |
| 697 | pkt_grp = self.src.read_byte()? as u16; |
| 698 | flags = self.src.read_byte()?; |
| 699 | } else { |
| 700 | //asm_rule = self.src.read_u16be()?; |
| 701 | //asm_flags = self.src.read_byte()?; |
| 702 | self.src.read_skip(2)?; |
| 703 | pkt_grp = 0; |
| 704 | self.src.read_skip(1)?; |
| 705 | flags = 0; |
| 706 | } |
| 707 | let hdr_size = self.src.tell() - pkt_start; |
| 708 | //println!("packet @{:X} size {} for {} ts {} grp {} flags {:X}", pkt_start, len, str_no, ts, pkt_grp, flags); |
| 709 | self.cur_packet += 1; |
| 710 | |
| 711 | let payload_size = len - (hdr_size as usize); |
| 712 | |
| 713 | let stream_id = self.str_data.get_stream_id(str_no as u32, pkt_grp); |
| 714 | let sr = self.str_data.find_stream(stream_id); |
| 715 | if sr.is_none() { |
| 716 | self.src.read_skip(payload_size)?; |
| 717 | return Err(DemuxerError::InvalidData); |
| 718 | } |
| 719 | let str_id = sr.unwrap(); |
| 720 | |
| 721 | let streamres = strmgr.get_stream_by_id(stream_id); |
| 722 | if streamres.is_none() { |
| 723 | self.src.read_skip(payload_size)?; |
| 724 | continue; |
| 725 | } |
| 726 | let stream = streamres.unwrap(); |
| 727 | if strmgr.is_ignored_id(stream_id) { |
| 728 | self.src.read_skip(payload_size)?; |
| 729 | continue; |
| 730 | } |
| 731 | //todo skip unwanted packet |
| 732 | let keyframe = (flags & KEYFRAME_FLAG) != 0; |
| 733 | |
| 734 | let ret = RMDemuxCommon::parse_packet_payload(self.src, &mut self.str_data.streams[str_id], stream, &mut self.slice_buf, &mut self.queued_pkts, keyframe, ts, payload_size); |
| 735 | if let Err(DemuxerError::TryAgain) = ret { |
| 736 | continue; |
| 737 | } else { |
| 738 | return ret; |
| 739 | } |
| 740 | } |
| 741 | } |
| 742 | |
| 743 | #[allow(unused_variables)] |
| 744 | fn seek(&mut self, time: NATimePoint, seek_idx: &SeekIndex) -> DemuxerResult<()> { |
| 745 | self.queued_pkts.clear(); |
| 746 | let ret = seek_idx.find_pos(time); |
| 747 | if ret.is_none() { |
| 748 | return Err(DemuxerError::SeekError); |
| 749 | } |
| 750 | let ret = ret.unwrap(); |
| 751 | let seek_pos = ret.pos; |
| 752 | for (pos, size, ver) in self.data_chunks.iter() { |
| 753 | if seek_pos < *pos { continue; } |
| 754 | let end = *pos + (*size as u64); |
| 755 | if seek_pos < end { |
| 756 | self.cur_packet = 0; |
| 757 | self.data_pos = seek_pos; |
| 758 | self.data_ver = *ver; |
| 759 | self.data_end = end; |
| 760 | self.src.seek(SeekFrom::Start(seek_pos))?; |
| 761 | return Ok(()); |
| 762 | } |
| 763 | } |
| 764 | Err(DemuxerError::SeekError) |
| 765 | } |
| 766 | |
| 767 | fn get_duration(&self) -> u64 { 0 } |
| 768 | } |
| 769 | |
| 770 | impl<'a> NAOptionHandler for RealMediaDemuxer<'a> { |
| 771 | fn get_supported_options(&self) -> &[NAOptionDefinition] { &[] } |
| 772 | fn set_options(&mut self, _options: &[NAOption]) { } |
| 773 | fn query_option_value(&self, _name: &str) -> Option<NAValue> { None } |
| 774 | } |
| 775 | |
| 776 | fn read_chunk(src: &mut ByteReader) -> DemuxerResult<(u32, u32, u16)> { |
| 777 | let id = src.read_u32be()?; |
| 778 | if id == 0 { return Ok((0, 0, 0)); } |
| 779 | let size = src.read_u32be()?; |
| 780 | if size == 0 { |
| 781 | let ver = src.read_u16be()?; |
| 782 | validate!(ver <= 2); |
| 783 | return Ok((id, 0x0FFFFFFF, ver)); |
| 784 | } |
| 785 | validate!(size >= 10); |
| 786 | let ver = src.read_u16be()?; |
| 787 | validate!(ver <= 2); |
| 788 | Ok((id, size, ver)) |
| 789 | } |
| 790 | |
| 791 | #[derive(Clone,Copy,Debug)] |
| 792 | struct InterleaveInfo { |
| 793 | id: u32, |
| 794 | factor: u16, |
| 795 | block_size: u16, |
| 796 | frame_size: u16, |
| 797 | } |
| 798 | |
| 799 | #[derive(Clone,Copy,Debug)] |
| 800 | #[allow(dead_code)] |
| 801 | struct RealAudioInfo { |
| 802 | fcc: u32, |
| 803 | sample_rate: u32, |
| 804 | sample_size: u16, |
| 805 | flavor: u16, |
| 806 | channels: u16, |
| 807 | channel_mask: u32, |
| 808 | granularity: u32, |
| 809 | bytes_per_minute: u32, |
| 810 | total_bytes: u32, |
| 811 | edata_size: u32, |
| 812 | ileave_info: Option<InterleaveInfo> |
| 813 | } |
| 814 | |
| 815 | impl RealAudioInfo { |
| 816 | fn get_duration(&self, base: u32) -> u64 { |
| 817 | if self.bytes_per_minute != 0 { |
| 818 | u64::from(self.total_bytes) * 60 * u64::from(base) / u64::from(self.bytes_per_minute) |
| 819 | } else { |
| 820 | 0 |
| 821 | } |
| 822 | } |
| 823 | } |
| 824 | |
| 825 | fn skip_ra_metadata(src: &mut ByteReader) -> DemuxerResult<()> { |
| 826 | let title_len = src.read_byte()? as usize; |
| 827 | src.read_skip(title_len)?; |
| 828 | let author_len = src.read_byte()? as usize; |
| 829 | src.read_skip(author_len)?; |
| 830 | let copywrong_len = src.read_byte()? as usize; |
| 831 | src.read_skip(copywrong_len)?; |
| 832 | let comment_len = src.read_byte()? as usize; |
| 833 | src.read_skip(comment_len)?; |
| 834 | Ok(()) |
| 835 | } |
| 836 | |
| 837 | #[allow(unused_variables)] |
| 838 | fn parse_aformat3(src: &mut ByteReader) -> DemuxerResult<RealAudioInfo> { |
| 839 | let start = src.tell(); |
| 840 | let header_len = src.read_u16be()?; |
| 841 | validate!(header_len >= 24); |
| 842 | let flavor = src.read_u16be()?; |
| 843 | let granularity = src.read_u32be()?; |
| 844 | let bytes_per_minute = src.read_u32be()?; |
| 845 | let total_bytes = src.read_u32be()?; |
| 846 | |
| 847 | skip_ra_metadata(src)?; |
| 848 | |
| 849 | // the original RealAudio has no such fields |
| 850 | let fcc = if src.tell() != start + u64::from(header_len) + 2 { |
| 851 | let _can_copy = src.read_byte()?; |
| 852 | let fcc_len = src.read_byte()?; |
| 853 | validate!(fcc_len == 0 || fcc_len == 4); |
| 854 | src.read_u32be()? |
| 855 | } else { |
| 856 | read_u32be(b"lpcJ")? |
| 857 | }; |
| 858 | |
| 859 | let end = src.tell(); |
| 860 | validate!(end - start <= (header_len as u64) + 2); |
| 861 | |
| 862 | Ok(RealAudioInfo { |
| 863 | fcc, flavor, |
| 864 | sample_rate: 8000, sample_size: 16, channels: 1, channel_mask: 0, |
| 865 | granularity, bytes_per_minute, |
| 866 | total_bytes, edata_size: 0, |
| 867 | ileave_info: None, |
| 868 | }) |
| 869 | } |
| 870 | |
| 871 | #[allow(unused_variables)] |
| 872 | fn parse_aformat4(src: &mut ByteReader) -> DemuxerResult<RealAudioInfo> { |
| 873 | let start = src.tell(); |
| 874 | src.read_skip(2)?; // zeroes |
| 875 | let id = src.read_u32be()?; |
| 876 | validate!(id == mktag!(b".ra4")); |
| 877 | let data_size = src.read_u32be()?; |
| 878 | let _ver4 = src.read_u16be()?; // should be 4 |
| 879 | let header_size = src.read_u32be()?; |
| 880 | let flavor = src.read_u16be()?; |
| 881 | let granularity = src.read_u32be()?; |
| 882 | let total_bytes = src.read_u32be()?; |
| 883 | let bytes_per_minute = src.read_u32be()?; |
| 884 | let _bytes_per_minute2 = src.read_u32be()?; |
| 885 | let ileave_factor = src.read_u16be()?; |
| 886 | let ileave_block_size = src.read_u16be()?; |
| 887 | let _user_data = src.read_u16be()?; |
| 888 | let sample_rate = src.read_u32be()?; |
| 889 | let sample_size = src.read_u32be()?; |
| 890 | let channels = src.read_u16be()?; |
| 891 | let interleaver_id_len = src.read_byte()?; |
| 892 | validate!(interleaver_id_len == 4); |
| 893 | let interleaver_id = src.read_u32be()?; |
| 894 | let fcc_len = src.read_byte()?; |
| 895 | validate!(fcc_len == 4); |
| 896 | let fcc = src.read_u32be()?; |
| 897 | let is_interleaved = src.read_byte()?; |
| 898 | let _can_copy = src.read_byte()?; |
| 899 | let _stream_type = src.read_byte()?; |
| 900 | |
| 901 | skip_ra_metadata(src)?; |
| 902 | |
| 903 | let end = src.tell(); |
| 904 | validate!(end - start <= (header_size as u64) + 10); |
| 905 | |
| 906 | let ileave_info = if is_interleaved != 0 { |
| 907 | Some(InterleaveInfo { |
| 908 | id: interleaver_id, factor: ileave_factor, block_size: granularity as u16, |
| 909 | frame_size: ileave_block_size, |
| 910 | }) |
| 911 | } else { |
| 912 | None |
| 913 | }; |
| 914 | |
| 915 | Ok(RealAudioInfo { |
| 916 | fcc, flavor, |
| 917 | sample_rate, sample_size: sample_size as u16, channels, channel_mask: 0, |
| 918 | granularity, bytes_per_minute, |
| 919 | total_bytes: total_bytes & 0xFFFFFF, edata_size: 0, |
| 920 | ileave_info, |
| 921 | }) |
| 922 | } |
| 923 | |
| 924 | #[allow(unused_variables)] |
| 925 | fn parse_aformat5(src: &mut ByteReader) -> DemuxerResult<RealAudioInfo> { |
| 926 | let start = src.tell(); |
| 927 | src.read_skip(2)?; // zeroes |
| 928 | let id = src.read_u32be()?; |
| 929 | validate!((id == mktag!(b".ra5")) || (id == mktag!(b".ra4"))); |
| 930 | let data_size = src.read_u32be()?; |
| 931 | let _ver5 = src.read_u16be()?; // should be 5 |
| 932 | let header_size = src.read_u32be()?; |
| 933 | let flavor = src.read_u16be()?; |
| 934 | let granularity = src.read_u32be()?; |
| 935 | let total_bytes = src.read_u32be()?; |
| 936 | let bytes_per_minute = src.read_u32be()?; |
| 937 | let _bytes_per_minute2 = src.read_u32be()?; |
| 938 | let ileave_factor = src.read_u16be()?; |
| 939 | let frame_size = src.read_u16be()?; |
| 940 | let ileave_block_size = src.read_u16be()?; |
| 941 | let user_data = src.read_u32be()?; |
| 942 | let _sample_rate1 = src.read_u16be()?; |
| 943 | let sample_rate = src.read_u32be()?; |
| 944 | let sample_size = src.read_u32be()?; |
| 945 | let channels = src.read_u16be()?; |
| 946 | let interleaver_id = src.read_u32be()?; |
| 947 | let fcc = src.read_u32be()?; |
| 948 | let is_interleaved = src.read_byte()?; |
| 949 | let _can_copy = src.read_byte()?; |
| 950 | let _stream_type = src.read_byte()?; |
| 951 | let has_ileave_pattern = src.read_byte()?; |
| 952 | if has_ileave_pattern != 0 { |
| 953 | unimplemented!("ra5 interleave pattern"); |
| 954 | } |
| 955 | let mut edata_size = src.read_u32be()?; |
| 956 | let end = src.tell(); |
| 957 | if id == mktag!(b".ra5") { |
| 958 | validate!(end - start <= (header_size as u64) + 10); |
| 959 | // src.read_skip(((end - start) as usize) - (header_size as usize) - 10)?; |
| 960 | } else { |
| 961 | validate!(end - start <= (header_size as u64) + 15); |
| 962 | } |
| 963 | |
| 964 | let ileave_info = if is_interleaved != 0 { |
| 965 | Some(InterleaveInfo { |
| 966 | id: interleaver_id, factor: ileave_factor, block_size: ileave_block_size, frame_size, |
| 967 | }) |
| 968 | } else { |
| 969 | None |
| 970 | }; |
| 971 | if (fcc == mktag!(b"raac")) || (fcc == mktag!(b"racp")) { |
| 972 | validate!(edata_size > 1); |
| 973 | edata_size -= 1; |
| 974 | src.read_skip(1)?; |
| 975 | } |
| 976 | |
| 977 | Ok(RealAudioInfo { |
| 978 | fcc, flavor, |
| 979 | sample_rate, sample_size: sample_size as u16, channels, channel_mask: 0, |
| 980 | granularity, bytes_per_minute, |
| 981 | total_bytes: total_bytes & 0xFFFFFF, edata_size, |
| 982 | ileave_info, |
| 983 | }) |
| 984 | } |
| 985 | |
| 986 | const RMVB_HDR_SIZE: u32 = 18; |
| 987 | const RMVB_PROP_SIZE: u32 = 50; |
| 988 | const KEYFRAME_FLAG: u8 = 0x02; |
| 989 | |
| 990 | impl<'a> RealMediaDemuxer<'a> { |
| 991 | fn new(io: &'a mut ByteReader<'a>) -> Self { |
| 992 | RealMediaDemuxer { |
| 993 | src: io, |
| 994 | data_pos: 0, |
| 995 | data_end: 0, |
| 996 | next_data: 0, |
| 997 | data_ver: 0, |
| 998 | num_packets: 0, |
| 999 | cur_packet: 0, |
| 1000 | str_data: CommonStreamData::new(), |
| 1001 | data_chunks: Vec::new(), |
| 1002 | cur_data_chunk: 0, |
| 1003 | queued_pkts: Vec::new(), |
| 1004 | slice_buf: Vec::new(), |
| 1005 | } |
| 1006 | } |
| 1007 | #[allow(unused_variables)] |
| 1008 | fn read_header(&mut self, strmgr: &mut StreamManager, seek_idx: &mut SeekIndex) -> DemuxerResult<()> { |
| 1009 | let (id, size, ver) = read_chunk(self.src)?; |
| 1010 | validate!((id == mktag!(b".RMF")) || (id == mktag!(b".RMP"))); |
| 1011 | validate!(size >= RMVB_HDR_SIZE); |
| 1012 | let fver = self.src.read_u32be()?; |
| 1013 | validate!(fver <= 1); |
| 1014 | let num_hdr = self.src.read_u32be()? as usize; |
| 1015 | validate!(num_hdr >= 1); |
| 1016 | if size > RMVB_HDR_SIZE { |
| 1017 | self.src.read_skip((size - RMVB_HDR_SIZE) as usize)?; |
| 1018 | } |
| 1019 | |
| 1020 | let (id, size, ver) = read_chunk(self.src)?; |
| 1021 | let prop_size = if ver == 0 { RMVB_PROP_SIZE } else { RMVB_PROP_SIZE + 4 }; |
| 1022 | validate!(size >= prop_size); |
| 1023 | validate!((ver == 0) || (ver == 2)); |
| 1024 | let maxbr = self.src.read_u32be()?; |
| 1025 | let avgbr = self.src.read_u32be()?; |
| 1026 | let maxps = self.src.read_u32be()?; |
| 1027 | let avgps = self.src.read_u32be()?; |
| 1028 | let num_pkt = self.src.read_u32be()? as usize; |
| 1029 | let duration = self.src.read_u32be()?; |
| 1030 | let preroll = self.src.read_u32be()?; |
| 1031 | let idx_off = self.src.read_size(ver)?; |
| 1032 | let data_off = self.src.read_u32be()?; |
| 1033 | let num_streams = self.src.read_u16be()? as usize; |
| 1034 | let flags = self.src.read_u16be()?; |
| 1035 | if size > prop_size { |
| 1036 | self.src.read_skip((size - prop_size) as usize)?; |
| 1037 | } |
| 1038 | |
| 1039 | for _ in 0..num_hdr { |
| 1040 | if self.src.is_eof() { |
| 1041 | //warn maybe? |
| 1042 | break; |
| 1043 | } |
| 1044 | let res = self.parse_chunk(strmgr, seek_idx); |
| 1045 | match res { |
| 1046 | Ok(last) => { if last { break; } }, |
| 1047 | Err(DemuxerError::IOError) => { break; }, |
| 1048 | Err(etype) => { |
| 1049 | if self.data_chunks.is_empty() { // data is not found, report error |
| 1050 | return Err(etype); |
| 1051 | } |
| 1052 | }, |
| 1053 | }; |
| 1054 | } |
| 1055 | validate!(!self.data_chunks.is_empty()); |
| 1056 | self.cur_data_chunk = 0; |
| 1057 | let (pos, size, ver) = self.data_chunks[self.cur_data_chunk]; |
| 1058 | self.data_pos = pos; |
| 1059 | self.data_ver = ver; |
| 1060 | self.data_end = pos + (size as u64); |
| 1061 | self.src.seek(SeekFrom::Start(self.data_pos + 10))?; |
| 1062 | self.parse_data_start()?; |
| 1063 | Ok(()) |
| 1064 | } |
| 1065 | fn parse_data_start(&mut self) -> DemuxerResult<()> { |
| 1066 | let num_packets = self.src.read_u32be()?; |
| 1067 | if self.data_ver == 2 { |
| 1068 | self.src.read_skip(12)?; // zeroes? |
| 1069 | } |
| 1070 | let next_data_hdr = self.src.read_u32be()?; |
| 1071 | self.num_packets = if num_packets > 0 { num_packets } else { 0xFFFFFF }; |
| 1072 | self.cur_packet = 0; |
| 1073 | self.next_data = next_data_hdr as u64; |
| 1074 | Ok(()) |
| 1075 | } |
| 1076 | fn parse_chunk(&mut self, strmgr: &mut StreamManager, seek_idx: &mut SeekIndex) -> DemuxerResult<bool> { |
| 1077 | let (id, size, ver) = read_chunk(self.src)?; |
| 1078 | let end_pos = self.src.tell() - 10 + (size as u64); |
| 1079 | |
| 1080 | validate!((ver == 0) || (ver == 2)); |
| 1081 | if id == mktag!(b"CONT") { self.parse_content_desc()?; } |
| 1082 | else if id == mktag!(b"MDPR") { self.parse_mdpr(strmgr)?; } |
| 1083 | else if id == mktag!(b"DATA") { |
| 1084 | self.data_chunks.push((self.src.tell() - 10, size, ver)); |
| 1085 | } |
| 1086 | else if id == mktag!(b"INDX") { |
| 1087 | if !seek_idx.skip_index { |
| 1088 | self.parse_index(seek_idx, (size as usize) - 10, ver)?; |
| 1089 | } |
| 1090 | } |
| 1091 | else if id == 0 { return Ok(true); } |
| 1092 | else { println!("unknown chunk type {:08X}", id); } |
| 1093 | |
| 1094 | let cpos = self.src.tell(); |
| 1095 | if cpos < end_pos { |
| 1096 | self.src.read_skip((end_pos - cpos) as usize)?; |
| 1097 | } |
| 1098 | Ok(false) |
| 1099 | } |
| 1100 | #[allow(unused_variables)] |
| 1101 | fn parse_content_desc(&mut self) -> DemuxerResult<()> { |
| 1102 | let title_len = self.src.read_u16be()? as usize; |
| 1103 | self.src.read_skip(title_len)?; |
| 1104 | let author_len = self.src.read_u16be()? as usize; |
| 1105 | self.src.read_skip(author_len)?; |
| 1106 | let copywrong_len = self.src.read_u16be()? as usize; |
| 1107 | self.src.read_skip(copywrong_len)?; |
| 1108 | let comment_len = self.src.read_u16be()? as usize; |
| 1109 | self.src.read_skip(comment_len)?; |
| 1110 | Ok(()) |
| 1111 | } |
| 1112 | #[allow(unused_variables)] |
| 1113 | fn parse_mdpr(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<()> { |
| 1114 | let stream_no = self.src.read_u16be()? as u32; |
| 1115 | //todo check stream_no for duplicates |
| 1116 | let maxbr = self.src.read_u32be()?; |
| 1117 | let avgbr = self.src.read_u32be()?; |
| 1118 | let maxps = self.src.read_u32be()?; |
| 1119 | let avgps = self.src.read_u32be()?; |
| 1120 | let start = self.src.read_u32be()?; |
| 1121 | let preroll = self.src.read_u32be()?; |
| 1122 | let duration = self.src.read_u32be()?; |
| 1123 | let sname_size = self.src.read_byte()? as usize; |
| 1124 | let sname = read_string_size(self.src, sname_size)?; |
| 1125 | let mime_size = self.src.read_byte()? as usize; |
| 1126 | let mime = read_string_size(self.src, mime_size)?; |
| 1127 | let edata_size = self.src.read_u32be()? as usize; |
| 1128 | let edata: Option<Vec<u8>> = if edata_size == 0 { None } else { |
| 1129 | let mut edvec: Vec<u8> = vec![0; edata_size]; |
| 1130 | self.src.read_buf(&mut edvec)?; |
| 1131 | Some(edvec) |
| 1132 | }; |
| 1133 | let mut is_mlti = false; |
| 1134 | if edata_size > 8 { |
| 1135 | if let Some(edata_) = edata { |
| 1136 | is_mlti = RMDemuxCommon::parse_stream_info(&mut self.str_data, strmgr, stream_no, &edata_, duration)?; |
| 1137 | } |
| 1138 | } else { |
| 1139 | self.str_data.streams.push(RMStreamType::Unknown); |
| 1140 | } |
| 1141 | if !is_mlti { |
| 1142 | self.str_data.str_ids.push(stream_no); |
| 1143 | } |
| 1144 | |
| 1145 | Ok(()) |
| 1146 | } |
| 1147 | fn parse_index(&mut self, seek_idx: &mut SeekIndex, chunk_size: usize, ver: u16) -> DemuxerResult<()> { |
| 1148 | if ver != 0 && ver != 2 { return Ok(()); } |
| 1149 | let num_entries = self.src.read_u32be()? as usize; |
| 1150 | let str_id = self.src.read_u16be()? as u32; |
| 1151 | let _next_idx = self.src.read_size(ver)?; |
| 1152 | if ver == 0 { |
| 1153 | validate!(chunk_size == num_entries * 14 + 10); |
| 1154 | } else { |
| 1155 | validate!(chunk_size == num_entries * 18 + 14); |
| 1156 | } |
| 1157 | if num_entries == 0 { return Ok(()); } |
| 1158 | |
| 1159 | seek_idx.add_stream(str_id); |
| 1160 | let idx = seek_idx.get_stream_index(str_id).unwrap(); |
| 1161 | for _ in 0..num_entries { |
| 1162 | let iver = self.src.read_u16be()?; |
| 1163 | validate!(iver == ver); |
| 1164 | let ts = self.src.read_u32be()? as u64; |
| 1165 | let pos = self.src.read_size(ver)?; |
| 1166 | let _pkt_no = self.src.read_u32be()?; |
| 1167 | idx.add_entry(SeekEntry { time: ts, pts: 0, pos }); |
| 1168 | } |
| 1169 | idx.filled = true; |
| 1170 | seek_idx.mode = SeekIndexMode::Present; |
| 1171 | Ok(()) |
| 1172 | } |
| 1173 | } |
| 1174 | |
| 1175 | fn read_string_size(src: &mut ByteReader, size: usize) -> DemuxerResult<String> { |
| 1176 | let mut vec: Vec<u8> = Vec::new(); |
| 1177 | for _ in 0..size { |
| 1178 | let c = src.read_byte()?; |
| 1179 | vec.push(c); |
| 1180 | } |
| 1181 | if let Ok(res) = String::from_utf8(vec) { |
| 1182 | Ok(res) |
| 1183 | } else { |
| 1184 | Ok(String::new()) |
| 1185 | } |
| 1186 | } |
| 1187 | |
| 1188 | struct RealAudioDemuxer<'a> { |
| 1189 | src: &'a mut ByteReader<'a>, |
| 1190 | stream: Option<RMAudioStream>, |
| 1191 | data_start: u64, |
| 1192 | data_end: u64, |
| 1193 | blk_size: usize, |
| 1194 | queued_pkts: Vec<NAPacket>, |
| 1195 | } |
| 1196 | |
| 1197 | impl<'a> DemuxCore<'a> for RealAudioDemuxer<'a> { |
| 1198 | #[allow(unused_variables)] |
| 1199 | fn open(&mut self, strmgr: &mut StreamManager, _seek_idx: &mut SeekIndex) -> DemuxerResult<()> { |
| 1200 | let magic = self.src.read_u32be()?; |
| 1201 | validate!(magic == mktag!(b".ra\xFD")); |
| 1202 | let ver = self.src.read_u16be()?; |
| 1203 | let ainfo = match ver { |
| 1204 | 3 => { |
| 1205 | parse_aformat3(self.src)? |
| 1206 | }, |
| 1207 | 4 => { |
| 1208 | parse_aformat4(self.src)? |
| 1209 | }, |
| 1210 | 5 => { |
| 1211 | parse_aformat5(self.src)? |
| 1212 | }, |
| 1213 | _ => { |
| 1214 | println!("unknown version {}", ver); |
| 1215 | return Err(DemuxerError::InvalidData); |
| 1216 | }, |
| 1217 | }; |
| 1218 | let cname = find_codec_name(RM_AUDIO_CODEC_REGISTER, ainfo.fcc); |
| 1219 | let blk_size = if ainfo.fcc != mktag!(b"sipr") { |
| 1220 | ainfo.granularity as usize |
| 1221 | } else { |
| 1222 | validate!(ainfo.flavor <= 3); |
| 1223 | RM_SIPRO_BLOCK_SIZES[ainfo.flavor as usize] |
| 1224 | }; |
| 1225 | let srate = ainfo.sample_rate; |
| 1226 | let soniton = NASoniton::new(ainfo.sample_size as u8, SONITON_FLAG_SIGNED); |
| 1227 | let ahdr = NAAudioInfo::new(srate, ainfo.channels as u8, soniton, blk_size); |
| 1228 | let extradata = if ainfo.edata_size == 0 { |
| 1229 | None |
| 1230 | } else { |
| 1231 | let mut dta: Vec<u8> = vec![0; ainfo.edata_size as usize]; |
| 1232 | self.src.read_buf(dta.as_mut_slice())?; |
| 1233 | Some(dta) |
| 1234 | }; |
| 1235 | let nainfo = NACodecInfo::new(cname, NACodecTypeInfo::Audio(ahdr), extradata); |
| 1236 | let res = strmgr.add_stream(NAStream::new(StreamType::Audio, 0, nainfo, 1, srate, ainfo.get_duration(ainfo.sample_rate))); |
| 1237 | if res.is_none() { return Err(MemoryError); } |
| 1238 | |
| 1239 | let astr = RMAudioStream::new(ainfo.ileave_info); |
| 1240 | self.data_start = self.src.tell(); |
| 1241 | self.data_end = if ainfo.total_bytes > 0 { self.src.tell() + (ainfo.total_bytes as u64) } else { 0 }; |
| 1242 | self.blk_size = blk_size; |
| 1243 | self.stream = Some(astr); |
| 1244 | |
| 1245 | Ok(()) |
| 1246 | } |
| 1247 | |
| 1248 | fn get_frame(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<NAPacket> { |
| 1249 | if !self.queued_pkts.is_empty() { |
| 1250 | let pkt = self.queued_pkts.pop().unwrap(); |
| 1251 | return Ok(pkt); |
| 1252 | } |
| 1253 | if (self.data_end != 0) && (self.src.tell() >= self.data_end) { |
| 1254 | return Err(DemuxerError::EOF); |
| 1255 | } |
| 1256 | let streamres = strmgr.get_stream_by_id(0); |
| 1257 | let stream = streamres.unwrap(); |
| 1258 | if let Some(ref mut astr) = self.stream { |
| 1259 | loop { |
| 1260 | let ret = astr.read_apackets(&mut self.queued_pkts, self.src, stream.clone(), 0, false, self.blk_size); |
| 1261 | if let Err(DemuxerError::TryAgain) = ret { |
| 1262 | continue; |
| 1263 | } |
| 1264 | return ret; |
| 1265 | } |
| 1266 | } |
| 1267 | Err(DemuxerError::NoSuchInput) |
| 1268 | } |
| 1269 | |
| 1270 | #[allow(unused_variables)] |
| 1271 | fn seek(&mut self, time: NATimePoint, seek_idx: &SeekIndex) -> DemuxerResult<()> { |
| 1272 | Err(NotImplemented) |
| 1273 | } |
| 1274 | |
| 1275 | fn get_duration(&self) -> u64 { 0 } |
| 1276 | } |
| 1277 | |
| 1278 | impl<'a> NAOptionHandler for RealAudioDemuxer<'a> { |
| 1279 | fn get_supported_options(&self) -> &[NAOptionDefinition] { &[] } |
| 1280 | fn set_options(&mut self, _options: &[NAOption]) { } |
| 1281 | fn query_option_value(&self, _name: &str) -> Option<NAValue> { None } |
| 1282 | } |
| 1283 | |
| 1284 | impl<'a> RealAudioDemuxer<'a> { |
| 1285 | fn new(io: &'a mut ByteReader<'a>) -> Self { |
| 1286 | RealAudioDemuxer { |
| 1287 | src: io, |
| 1288 | data_start: 0, |
| 1289 | data_end: 0, |
| 1290 | blk_size: 0, |
| 1291 | stream: None, |
| 1292 | queued_pkts: Vec::new(), |
| 1293 | } |
| 1294 | } |
| 1295 | } |
| 1296 | |
| 1297 | enum IVRRecord { |
| 1298 | Invalid(u8), |
| 1299 | StreamProperties(usize), |
| 1300 | Packet { ts: u32, strm: u32, flags: u32, len: usize, checksum: u32 }, |
| 1301 | IntValue(Vec<u8>, u32), |
| 1302 | BinaryData(Vec<u8>, Vec<u8>), |
| 1303 | StringData(Vec<u8>, Vec<u8>), |
| 1304 | HeaderEnd, |
| 1305 | DataStart, |
| 1306 | DataEnd, |
| 1307 | } |
| 1308 | |
| 1309 | impl IVRRecord { |
| 1310 | fn read_string(src: &mut ByteReader) -> DemuxerResult<Vec<u8>> { |
| 1311 | let len = src.read_u32be()? as usize; |
| 1312 | let mut val = vec![0; len]; |
| 1313 | src.read_buf(val.as_mut_slice())?; |
| 1314 | Ok(val) |
| 1315 | } |
| 1316 | |
| 1317 | fn read(src: &mut ByteReader) -> DemuxerResult<Self> { |
| 1318 | let code = src.read_byte()?; |
| 1319 | match code { |
| 1320 | 1 => { |
| 1321 | let val = src.read_u32be()? as usize; |
| 1322 | Ok(IVRRecord::StreamProperties(val)) |
| 1323 | }, |
| 1324 | 2 => { |
| 1325 | let ts = src.read_u32be()?; |
| 1326 | let strm = src.read_u16be()? as u32; |
| 1327 | let flags = src.read_u32be()?; |
| 1328 | let len = src.read_u32be()? as usize; |
| 1329 | let chk = src.read_u32be()?; |
| 1330 | validate!((len > 0) && (len < (1 << 24))); |
| 1331 | Ok(IVRRecord::Packet { ts, strm, flags, len, checksum: chk }) |
| 1332 | }, |
| 1333 | 3 => { |
| 1334 | let name = Self::read_string(src)?; |
| 1335 | let len = src.read_u32be()?; |
| 1336 | validate!(len == 4); |
| 1337 | let val = src.read_u32be()?; |
| 1338 | Ok(IVRRecord::IntValue(name, val)) |
| 1339 | }, |
| 1340 | 4 => { |
| 1341 | let name = Self::read_string(src)?; |
| 1342 | let len = src.read_u32be()? as usize; |
| 1343 | let mut val = vec![0; len]; |
| 1344 | src.read_buf(val.as_mut_slice())?; |
| 1345 | Ok(IVRRecord::BinaryData(name, val)) |
| 1346 | }, |
| 1347 | 5 => { |
| 1348 | let name = Self::read_string(src)?; |
| 1349 | let val = Self::read_string(src)?; |
| 1350 | Ok(IVRRecord::StringData(name, val)) |
| 1351 | }, |
| 1352 | 6 => Ok(IVRRecord::HeaderEnd), |
| 1353 | 7 => { |
| 1354 | src.read_skip(8)?; // always zero? |
| 1355 | Ok(IVRRecord::DataEnd) |
| 1356 | }, |
| 1357 | 8 => { |
| 1358 | src.read_skip(8)?; // always zero? |
| 1359 | Ok(IVRRecord::DataStart) |
| 1360 | }, |
| 1361 | _ => Ok(IVRRecord::Invalid(code)), |
| 1362 | } |
| 1363 | } |
| 1364 | fn is_data_start(&self) -> bool { |
| 1365 | matches!(*self, IVRRecord::DataStart) |
| 1366 | } |
| 1367 | } |
| 1368 | |
| 1369 | impl fmt::Display for IVRRecord { |
| 1370 | fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { |
| 1371 | match *self { |
| 1372 | IVRRecord::Invalid(typ) => write!(f, "Invalid({:02X})", typ), |
| 1373 | IVRRecord::StreamProperties(num) => |
| 1374 | write!(f, "({} stream properties)", num), |
| 1375 | IVRRecord::Packet { ts, strm, flags, len, checksum } => |
| 1376 | write!(f, "paket({}, {}, {:X}, {}, {})", ts, strm, flags, len, checksum), |
| 1377 | IVRRecord::IntValue(ref name, val) => |
| 1378 | write!(f, "({} = {})", String::from_utf8_lossy(name), val), |
| 1379 | IVRRecord::BinaryData(ref name, ref val) => |
| 1380 | write!(f, "({} = {} bytes)", String::from_utf8_lossy(name), val.len()), |
| 1381 | IVRRecord::StringData(ref name, ref val) => |
| 1382 | write!(f, "({} = {})", String::from_utf8_lossy(name), String::from_utf8_lossy(val)), |
| 1383 | IVRRecord::HeaderEnd => write!(f, "header end"), |
| 1384 | IVRRecord::DataEnd => write!(f, "data end"), |
| 1385 | IVRRecord::DataStart => write!(f, "data start"), |
| 1386 | } |
| 1387 | } |
| 1388 | } |
| 1389 | |
| 1390 | struct RecordDemuxer { |
| 1391 | start_pos: u64, |
| 1392 | cur_pos: u64, |
| 1393 | start_str: u32, |
| 1394 | remap_ids: Vec<u32>, |
| 1395 | } |
| 1396 | |
| 1397 | impl RecordDemuxer { |
| 1398 | fn new(pos: u64, start_str: u32) -> Self { |
| 1399 | RecordDemuxer { |
| 1400 | start_pos: pos, |
| 1401 | cur_pos: pos, |
| 1402 | start_str, |
| 1403 | remap_ids: Vec::new(), |
| 1404 | } |
| 1405 | } |
| 1406 | fn parse_header(&mut self, src: &mut ByteReader, strmgr: &mut StreamManager, str_data: &mut CommonStreamData) -> DemuxerResult<()> { |
| 1407 | src.seek(SeekFrom::Start(self.cur_pos))?; |
| 1408 | let magic = src.read_u32be()?; |
| 1409 | validate!(magic == mktag!(b".REC")); |
| 1410 | let _smth = src.read_byte()?; |
| 1411 | let num_entries = src.read_u32be()? as usize; |
| 1412 | for _ in 0..num_entries { |
| 1413 | let _rec = IVRRecord::read(src)?; |
| 1414 | } |
| 1415 | let mut has_seek_table = false; |
| 1416 | let mut cur_str_no = 0; |
| 1417 | loop { |
| 1418 | let rec = IVRRecord::read(src)?; |
| 1419 | match rec { |
| 1420 | IVRRecord::HeaderEnd => { break; }, |
| 1421 | IVRRecord::StreamProperties(num) => { |
| 1422 | let stream_no = cur_str_no + self.start_str; |
| 1423 | cur_str_no += 1; |
| 1424 | let mut parsed = false; |
| 1425 | let mut real_stream_no = 0; |
| 1426 | let mut duration = 0; |
| 1427 | for _ in 0..num { |
| 1428 | let rec = IVRRecord::read(src)?; |
| 1429 | match rec { |
| 1430 | IVRRecord::IntValue(ref name, val) => { |
| 1431 | if name == b"StreamNumber\0" { |
| 1432 | real_stream_no = val; |
| 1433 | } |
| 1434 | if name == b"Duration\0" { |
| 1435 | duration = val; |
| 1436 | } |
| 1437 | }, |
| 1438 | IVRRecord::BinaryData(ref name, ref val) => { |
| 1439 | if name == b"OpaqueData\0" { |
| 1440 | validate!(!parsed); |
| 1441 | let is_mlti = RMDemuxCommon::parse_stream_info(str_data, strmgr, stream_no, val, duration)?; |
| 1442 | if !is_mlti { |
| 1443 | str_data.str_ids.push(stream_no); |
| 1444 | } |
| 1445 | parsed = true; |
| 1446 | } |
| 1447 | }, |
| 1448 | IVRRecord::StringData(ref name, ref val) => { |
| 1449 | if (name == b"SeekType\0") && (val != b"None\0") { |
| 1450 | has_seek_table = true; |
| 1451 | } |
| 1452 | }, |
| 1453 | _ => { return Err(DemuxerError::InvalidData); } |
| 1454 | }; |
| 1455 | } |
| 1456 | if !parsed { |
| 1457 | str_data.streams.push(RMStreamType::Unknown); |
| 1458 | str_data.str_ids.push(stream_no); |
| 1459 | } |
| 1460 | self.remap_ids.push(real_stream_no); |
| 1461 | }, |
| 1462 | _ => {println!(" unexpected {}", rec); return Err(DemuxerError::InvalidData); } |
| 1463 | }; |
| 1464 | } |
| 1465 | let off0 = src.read_u32be()? as u64; |
| 1466 | let _off1 = src.read_u32be()?; |
| 1467 | let _off2 = src.read_u32be()?; |
| 1468 | validate!(off0 + self.start_pos == src.tell()); |
| 1469 | if has_seek_table { |
| 1470 | src.read_skip(4)?; |
| 1471 | let data_off = src.read_u32be()? as u64; |
| 1472 | let pos = src.tell(); |
| 1473 | validate!(data_off + self.start_pos > pos); |
| 1474 | src.read_skip((data_off + self.start_pos - pos) as usize)?; |
| 1475 | let rec = IVRRecord::read(src)?; |
| 1476 | validate!(rec.is_data_start()); |
| 1477 | } else { |
| 1478 | let ntype = src.peek_byte()?; |
| 1479 | validate!((ntype == 2) || (ntype == 7)); // packet or data end, no start |
| 1480 | } |
| 1481 | |
| 1482 | self.cur_pos = src.tell(); |
| 1483 | |
| 1484 | Ok(()) |
| 1485 | } |
| 1486 | fn get_packet(&mut self, src: &mut ByteReader, str_data: &mut CommonStreamData, strmgr: &StreamManager, queued_pkts: &mut Vec<NAPacket>, slice_buf: &mut Vec<u8>) -> DemuxerResult<NAPacket> { |
| 1487 | src.seek(SeekFrom::Start(self.cur_pos))?; |
| 1488 | loop { |
| 1489 | let rec = IVRRecord::read(src)?; |
| 1490 | match rec { |
| 1491 | IVRRecord::Packet { ts, strm, flags, len, .. } => { |
| 1492 | let payload_size = len; |
| 1493 | let sr = self.remap_ids.iter().position(|x| *x == strm); |
| 1494 | validate!(sr.is_some()); |
| 1495 | let str_no = self.start_str + (sr.unwrap() as u32); |
| 1496 | let pkt_grp = ((flags >> 8) & 0xFF) as u16; |
| 1497 | let stream_id = str_data.get_stream_id(str_no as u32, pkt_grp); |
| 1498 | let sr = str_data.find_stream(stream_id); |
| 1499 | if sr.is_none() { |
| 1500 | src.read_skip(payload_size)?; |
| 1501 | return Err(DemuxerError::InvalidData); |
| 1502 | } |
| 1503 | let str_id = sr.unwrap(); |
| 1504 | |
| 1505 | let streamres = strmgr.get_stream_by_id(stream_id); |
| 1506 | if streamres.is_none() { |
| 1507 | src.read_skip(payload_size)?; |
| 1508 | continue; |
| 1509 | } |
| 1510 | let stream = streamres.unwrap(); |
| 1511 | if strmgr.is_ignored_id(stream_id) { |
| 1512 | src.read_skip(payload_size)?; |
| 1513 | continue; |
| 1514 | } |
| 1515 | let keyframe = false; |
| 1516 | let ret = RMDemuxCommon::parse_packet_payload(src, &mut str_data.streams[str_id], stream, slice_buf, queued_pkts, keyframe, ts, payload_size); |
| 1517 | if let Err(DemuxerError::TryAgain) = ret { |
| 1518 | continue; |
| 1519 | } else { |
| 1520 | self.cur_pos = src.tell(); |
| 1521 | return ret; |
| 1522 | } |
| 1523 | }, |
| 1524 | IVRRecord::DataEnd => return Err(DemuxerError::EOF), |
| 1525 | _ => return Err(DemuxerError::InvalidData), |
| 1526 | } |
| 1527 | } |
| 1528 | } |
| 1529 | } |
| 1530 | |
| 1531 | struct RealIVRDemuxer<'a> { |
| 1532 | src: &'a mut ByteReader<'a>, |
| 1533 | recs: Vec<RecordDemuxer>, |
| 1534 | cur_rec: usize, |
| 1535 | queued_pkts: Vec<NAPacket>, |
| 1536 | slice_buf: Vec<u8>, |
| 1537 | str_data: CommonStreamData, |
| 1538 | } |
| 1539 | |
| 1540 | impl<'a> DemuxCore<'a> for RealIVRDemuxer<'a> { |
| 1541 | #[allow(unused_variables)] |
| 1542 | fn open(&mut self, strmgr: &mut StreamManager, seek_idx: &mut SeekIndex) -> DemuxerResult<()> { |
| 1543 | let magic = self.src.peek_u32be()?; |
| 1544 | if magic == mktag!(b".REC") { |
| 1545 | let mut rec = RecordDemuxer::new(0, 0); |
| 1546 | rec.parse_header(self.src, strmgr, &mut self.str_data)?; |
| 1547 | self.recs.push(rec); |
| 1548 | } else if magic == mktag!(b".R1M") { |
| 1549 | self.src.read_skip(4)?; // magic |
| 1550 | self.src.read_skip(3)?; // always 0, 1, 1 ? |
| 1551 | let _name = IVRRecord::read_string(self.src)?; |
| 1552 | self.src.read_skip(1)?; // always 0? |
| 1553 | let len1 = self.src.read_u32be()? as u64; |
| 1554 | let off1 = self.src.read_u64be()?; |
| 1555 | let cpos = self.src.tell(); |
| 1556 | validate!(off1 == len1 + cpos - 8); |
| 1557 | self.src.read_skip((off1 - cpos) as usize)?; |
| 1558 | loop { |
| 1559 | let typ = self.src.read_byte()?; |
| 1560 | match typ { |
| 1561 | 1 => { |
| 1562 | let len = self.src.read_u32be()?; |
| 1563 | self.src.read_skip(len as usize)?; |
| 1564 | }, |
| 1565 | 2 => { |
| 1566 | let len = self.src.read_u32be()? as u64; |
| 1567 | let pos = self.src.tell(); |
| 1568 | if len > 0x20 { |
| 1569 | let num_streams = self.str_data.streams.len() as u32; |
| 1570 | let mut rec = RecordDemuxer::new(pos + 12, num_streams); |
| 1571 | rec.parse_header(self.src, strmgr, &mut self.str_data)?; |
| 1572 | self.recs.push(rec); |
| 1573 | } |
| 1574 | self.src.seek(SeekFrom::Start(pos + len))?; |
| 1575 | }, |
| 1576 | b'R' => { |
| 1577 | let mut buf: [u8; 2] = [0; 2]; |
| 1578 | self.src.peek_buf(&mut buf)?; |
| 1579 | if (buf[0] == b'J') && (buf[1] == b'M') { // RJMx markers at the end of file |
| 1580 | break; |
| 1581 | } else { |
| 1582 | return Err(DemuxerError::InvalidData); |
| 1583 | } |
| 1584 | }, |
| 1585 | _ => { return Err(DemuxerError::InvalidData); }, |
| 1586 | }; |
| 1587 | } |
| 1588 | } else { |
| 1589 | return Err(DemuxerError::InvalidData); |
| 1590 | } |
| 1591 | |
| 1592 | Ok(()) |
| 1593 | } |
| 1594 | |
| 1595 | fn get_frame(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<NAPacket> { |
| 1596 | if !self.queued_pkts.is_empty() { |
| 1597 | let pkt = self.queued_pkts.pop().unwrap(); |
| 1598 | return Ok(pkt); |
| 1599 | } |
| 1600 | loop { |
| 1601 | if self.cur_rec >= self.recs.len() { return Err(DemuxerError::EOF); } |
| 1602 | let res = self.recs[self.cur_rec].get_packet(self.src, &mut self.str_data, strmgr, &mut self.queued_pkts, &mut self.slice_buf); |
| 1603 | if let Err(DemuxerError::EOF) = res { |
| 1604 | self.cur_rec += 1; |
| 1605 | } else { |
| 1606 | return res; |
| 1607 | } |
| 1608 | } |
| 1609 | } |
| 1610 | |
| 1611 | #[allow(unused_variables)] |
| 1612 | fn seek(&mut self, time: NATimePoint, seek_idx: &SeekIndex) -> DemuxerResult<()> { |
| 1613 | Err(NotImplemented) |
| 1614 | } |
| 1615 | |
| 1616 | fn get_duration(&self) -> u64 { 0 } |
| 1617 | } |
| 1618 | |
| 1619 | impl<'a> NAOptionHandler for RealIVRDemuxer<'a> { |
| 1620 | fn get_supported_options(&self) -> &[NAOptionDefinition] { &[] } |
| 1621 | fn set_options(&mut self, _options: &[NAOption]) { } |
| 1622 | fn query_option_value(&self, _name: &str) -> Option<NAValue> { None } |
| 1623 | } |
| 1624 | |
| 1625 | impl<'a> RealIVRDemuxer<'a> { |
| 1626 | fn new(io: &'a mut ByteReader<'a>) -> Self { |
| 1627 | RealIVRDemuxer { |
| 1628 | src: io, |
| 1629 | recs: Vec::new(), |
| 1630 | cur_rec: 0, |
| 1631 | queued_pkts: Vec::new(), |
| 1632 | slice_buf: Vec::new(), |
| 1633 | str_data: CommonStreamData::new(), |
| 1634 | } |
| 1635 | } |
| 1636 | } |
| 1637 | |
| 1638 | static RM_VIDEO_CODEC_REGISTER: &[(&[u8;4], &str)] = &[ |
| 1639 | (b"RV10", "realvideo1"), |
| 1640 | (b"RV20", "realvideo2"), |
| 1641 | (b"RVTR", "realvideo2"), |
| 1642 | (b"RV30", "realvideo3"), |
| 1643 | (b"RV40", "realvideo4"), |
| 1644 | (b"RV60", "realvideo6"), |
| 1645 | (b"CLV1", "clearvideo_rm"), |
| 1646 | ]; |
| 1647 | |
| 1648 | static RM_AUDIO_CODEC_REGISTER: &[(&[u8;4], &str)] = &[ |
| 1649 | (b"lpcJ", "ra14.4"), |
| 1650 | (b"28_8", "ra28.8"), |
| 1651 | (b"cook", "cook"), |
| 1652 | (b"dnet", "ac3"), |
| 1653 | (b"sipr", "sipro"), |
| 1654 | (b"atrc", "atrac3"), |
| 1655 | (b"LSD:", "ralf"), |
| 1656 | (b"raac", "aac"), |
| 1657 | (b"racp", "aac"), |
| 1658 | ]; |
| 1659 | |
| 1660 | pub struct RealMediaDemuxerCreator { } |
| 1661 | |
| 1662 | impl DemuxerCreator for RealMediaDemuxerCreator { |
| 1663 | fn new_demuxer<'a>(&self, br: &'a mut ByteReader<'a>) -> Box<dyn DemuxCore<'a> + 'a> { |
| 1664 | Box::new(RealMediaDemuxer::new(br)) |
| 1665 | } |
| 1666 | fn get_name(&self) -> &'static str { "realmedia" } |
| 1667 | } |
| 1668 | |
| 1669 | pub struct RealAudioDemuxerCreator { } |
| 1670 | |
| 1671 | impl DemuxerCreator for RealAudioDemuxerCreator { |
| 1672 | fn new_demuxer<'a>(&self, br: &'a mut ByteReader<'a>) -> Box<dyn DemuxCore<'a> + 'a> { |
| 1673 | Box::new(RealAudioDemuxer::new(br)) |
| 1674 | } |
| 1675 | fn get_name(&self) -> &'static str { "realaudio" } |
| 1676 | } |
| 1677 | |
| 1678 | pub struct RealIVRDemuxerCreator { } |
| 1679 | |
| 1680 | impl DemuxerCreator for RealIVRDemuxerCreator { |
| 1681 | fn new_demuxer<'a>(&self, br: &'a mut ByteReader<'a>) -> Box<dyn DemuxCore<'a> + 'a> { |
| 1682 | Box::new(RealIVRDemuxer::new(br)) |
| 1683 | } |
| 1684 | fn get_name(&self) -> &'static str { "real_ivr" } |
| 1685 | } |
| 1686 | |
| 1687 | #[cfg(test)] |
| 1688 | mod test { |
| 1689 | use super::*; |
| 1690 | use std::fs::File; |
| 1691 | |
| 1692 | #[test] |
| 1693 | fn test_rm_demux() { |
| 1694 | // sample from a private collection |
| 1695 | let mut file = |
| 1696 | File::open("assets/RV/rv10_dnet_640x352_realvideo_encoder_4.0.rm").unwrap(); |
| 1697 | // File::open("assets/RV/rv20_cook_640x352_realproducer_plus_8.51.rm").unwrap(); |
| 1698 | // File::open("assets/RV/rv20_svt_atrc_640x352_realproducer_plus_8.51.rm").unwrap(); |
| 1699 | // File::open("assets/RV/rv30_atrc_384x208_realproducer_plus_8.51.rm").unwrap(); |
| 1700 | // File::open("assets/RV/rv30_chroma_drift.rm").unwrap(); |
| 1701 | // File::open("assets/RV/rv30_weighted_mc.rm").unwrap(); |
| 1702 | // File::open("assets/RV/rv40_weighted_mc.rmvb").unwrap(); |
| 1703 | // File::open("assets/RV/rv40_weighted_mc_2.rmvb").unwrap(); |
| 1704 | // File::open("assets/RV/clv1_sipr_384x208_realvideo_encoder_4.0.rm").unwrap(); |
| 1705 | // File::open("assets/RV/luckynight.rmvb").unwrap(); |
| 1706 | // File::open("assets/RV/rv40_ralf.rmvb").unwrap(); |
| 1707 | let mut fr = FileReader::new_read(&mut file); |
| 1708 | let mut br = ByteReader::new(&mut fr); |
| 1709 | let mut dmx = RealMediaDemuxer::new(&mut br); |
| 1710 | let mut sm = StreamManager::new(); |
| 1711 | let mut si = SeekIndex::new(); |
| 1712 | dmx.open(&mut sm, &mut si).unwrap(); |
| 1713 | |
| 1714 | loop { |
| 1715 | let pktres = dmx.get_frame(&mut sm); |
| 1716 | if let Err(e) = pktres { |
| 1717 | if e == DemuxerError::EOF { break; } |
| 1718 | panic!("error"); |
| 1719 | } |
| 1720 | let pkt = pktres.unwrap(); |
| 1721 | println!("Got {}", pkt); |
| 1722 | } |
| 1723 | //panic!("the end"); |
| 1724 | } |
| 1725 | #[test] |
| 1726 | fn test_ra_demux() { |
| 1727 | // sample: https://samples.mplayerhq.hu/real//RA/ra_with_comment_field/diemusik.ra |
| 1728 | let mut file = |
| 1729 | // File::open("assets/RV/welcome288.ra").unwrap(); |
| 1730 | File::open("assets/RV/diemusik.ra").unwrap(); |
| 1731 | let mut fr = FileReader::new_read(&mut file); |
| 1732 | let mut br = ByteReader::new(&mut fr); |
| 1733 | let mut dmx = RealAudioDemuxer::new(&mut br); |
| 1734 | let mut sm = StreamManager::new(); |
| 1735 | let mut si = SeekIndex::new(); |
| 1736 | dmx.open(&mut sm, &mut si).unwrap(); |
| 1737 | |
| 1738 | loop { |
| 1739 | let pktres = dmx.get_frame(&mut sm); |
| 1740 | if let Err(e) = pktres { |
| 1741 | if e == DemuxerError::EOF { break; } |
| 1742 | panic!("error"); |
| 1743 | } |
| 1744 | let pkt = pktres.unwrap(); |
| 1745 | println!("Got {}", pkt); |
| 1746 | } |
| 1747 | } |
| 1748 | #[test] |
| 1749 | fn test_ivr_demux() { |
| 1750 | // sample: https://samples.mplayerhq.hu/real/ivr/Opener_rm_hi.ivr |
| 1751 | let mut file = |
| 1752 | File::open("assets/RV/Opener_rm_hi.ivr").unwrap(); |
| 1753 | // File::open("assets/RV/SherwinWilliamsCommercial.ivr").unwrap(); |
| 1754 | let mut fr = FileReader::new_read(&mut file); |
| 1755 | let mut br = ByteReader::new(&mut fr); |
| 1756 | let mut dmx = RealIVRDemuxer::new(&mut br); |
| 1757 | let mut sm = StreamManager::new(); |
| 1758 | let mut si = SeekIndex::new(); |
| 1759 | dmx.open(&mut sm, &mut si).unwrap(); |
| 1760 | |
| 1761 | loop { |
| 1762 | let pktres = dmx.get_frame(&mut sm); |
| 1763 | if let Err(e) = pktres { |
| 1764 | if e == DemuxerError::EOF { break; } |
| 1765 | panic!("error"); |
| 1766 | } |
| 1767 | let pkt = pktres.unwrap(); |
| 1768 | println!("Got {}", pkt); |
| 1769 | } |
| 1770 | } |
| 1771 | } |