| 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 | const RM_SIPRO_BLOCK_SIZES: [usize; 4] = [ 29, 19, 37, 20 ]; |
| 17 | const RM_SIPRO_SWAPS: [[u8; 2]; 38] = [ |
| 18 | [ 0, 63 ], [ 1, 22 ], [ 2, 44 ], [ 3, 90 ], |
| 19 | [ 5, 81 ], [ 7, 31 ], [ 8, 86 ], [ 9, 58 ], |
| 20 | [ 10, 36 ], [ 12, 68 ], [ 13, 39 ], [ 14, 73 ], |
| 21 | [ 15, 53 ], [ 16, 69 ], [ 17, 57 ], [ 19, 88 ], |
| 22 | [ 20, 34 ], [ 21, 71 ], [ 24, 46 ], [ 25, 94 ], |
| 23 | [ 26, 54 ], [ 28, 75 ], [ 29, 50 ], [ 32, 70 ], |
| 24 | [ 33, 92 ], [ 35, 74 ], [ 38, 85 ], [ 40, 56 ], |
| 25 | [ 42, 87 ], [ 43, 65 ], [ 45, 59 ], [ 48, 79 ], |
| 26 | [ 49, 93 ], [ 51, 89 ], [ 55, 95 ], [ 61, 76 ], |
| 27 | [ 67, 83 ], [ 77, 80 ] |
| 28 | ]; |
| 29 | |
| 30 | struct RMVideoStream { |
| 31 | frame: Vec<u8>, |
| 32 | hdr_size: usize, |
| 33 | frame_size: usize, |
| 34 | frame_pos: usize, |
| 35 | } |
| 36 | |
| 37 | impl RMVideoStream { |
| 38 | fn new() -> Self { |
| 39 | RMVideoStream { |
| 40 | frame: Vec::new(), |
| 41 | hdr_size: 0, |
| 42 | frame_size: 0, |
| 43 | frame_pos: 0, |
| 44 | } |
| 45 | } |
| 46 | fn flush(&mut self) { |
| 47 | self.frame.truncate(0); |
| 48 | self.frame_size = 0; |
| 49 | self.frame_pos = 0; |
| 50 | } |
| 51 | fn start_slice(&mut self, num_slices: usize, frame_size: usize, data: &[u8]) { |
| 52 | self.hdr_size = num_slices * 8 + 1; |
| 53 | self.frame.resize(frame_size + self.hdr_size, 0); |
| 54 | self.frame[0] = (num_slices - 1) as u8; |
| 55 | self.frame_pos = 0; |
| 56 | self.add_slice(1, data); |
| 57 | } |
| 58 | fn add_slice(&mut self, slice_no: usize, data: &[u8]) { |
| 59 | self.write_slice_info(slice_no); |
| 60 | let dslice = &mut self.frame[self.hdr_size + self.frame_pos..][..data.len()]; |
| 61 | dslice.copy_from_slice(data); |
| 62 | self.frame_pos += data.len(); |
| 63 | } |
| 64 | fn write_slice_info(&mut self, slice_no: usize) { |
| 65 | let off = 1 + (slice_no - 1) * 8; |
| 66 | self.frame[off + 0] = 0; |
| 67 | self.frame[off + 1] = 0; |
| 68 | self.frame[off + 2] = 0; |
| 69 | self.frame[off + 3] = 1; |
| 70 | self.frame[off + 4] = (self.frame_pos >> 24) as u8; |
| 71 | self.frame[off + 5] = (self.frame_pos >> 16) as u8; |
| 72 | self.frame[off + 6] = (self.frame_pos >> 8) as u8; |
| 73 | self.frame[off + 7] = (self.frame_pos >> 0) as u8; |
| 74 | } |
| 75 | fn get_frame_data(&mut self) -> Vec<u8> { |
| 76 | let mut v: Vec<u8> = Vec::new(); |
| 77 | mem::swap(&mut v, &mut self.frame); |
| 78 | self.flush(); |
| 79 | v |
| 80 | } |
| 81 | } |
| 82 | |
| 83 | #[derive(Clone,Copy,PartialEq)] |
| 84 | enum Deinterleaver { |
| 85 | None, |
| 86 | RA28_8, |
| 87 | Generic, |
| 88 | Sipro, |
| 89 | VBR, |
| 90 | } |
| 91 | |
| 92 | struct RMAudioStream { |
| 93 | deint: Deinterleaver, |
| 94 | iinfo: Option<InterleaveInfo>, |
| 95 | buf: Vec<u8>, |
| 96 | sub_packet: usize, |
| 97 | } |
| 98 | |
| 99 | const RM_ILEAVE_INT0: u32 = mktag!(b"Int0"); |
| 100 | const RM_ILEAVE_INT4: u32 = mktag!(b"Int4"); |
| 101 | const RM_ILEAVE_GENR: u32 = mktag!(b"genr"); |
| 102 | const RM_ILEAVE_SIPR: u32 = mktag!(b"sipr"); |
| 103 | const RM_ILEAVE_VBRF: u32 = mktag!(b"vbrf"); |
| 104 | const RM_ILEAVE_VBRS: u32 = mktag!(b"vbrs"); |
| 105 | |
| 106 | impl RMAudioStream { |
| 107 | fn new(iinfo: Option<InterleaveInfo>) -> Self { |
| 108 | let deint; |
| 109 | let mut buf: Vec<u8>; |
| 110 | if let Some(info) = iinfo { |
| 111 | deint = match info.id { |
| 112 | RM_ILEAVE_INT0 => Deinterleaver::None, |
| 113 | RM_ILEAVE_INT4 => Deinterleaver::RA28_8, |
| 114 | RM_ILEAVE_GENR => Deinterleaver::Generic, |
| 115 | RM_ILEAVE_SIPR => Deinterleaver::Sipro, |
| 116 | RM_ILEAVE_VBRF => Deinterleaver::VBR, |
| 117 | RM_ILEAVE_VBRS => Deinterleaver::VBR, |
| 118 | _ => {println!("unknown deint {:X}", info.id); Deinterleaver::None }, |
| 119 | }; |
| 120 | match deint { |
| 121 | Deinterleaver::None => { buf = Vec::new(); }, |
| 122 | Deinterleaver::RA28_8 | |
| 123 | Deinterleaver::Generic | |
| 124 | Deinterleaver::Sipro => { |
| 125 | let bsize = (info.frame_size as usize) * (info.factor as usize); |
| 126 | buf = Vec::with_capacity(bsize); |
| 127 | buf.resize(bsize, 0u8); |
| 128 | }, |
| 129 | Deinterleaver::VBR => { |
| 130 | buf = Vec::new(); |
| 131 | }, |
| 132 | }; |
| 133 | } else { |
| 134 | deint = Deinterleaver::None; |
| 135 | buf = Vec::new(); |
| 136 | } |
| 137 | RMAudioStream { deint: deint, iinfo: iinfo, buf: buf, sub_packet: 0 } |
| 138 | } |
| 139 | fn read_apackets(&mut self, queued_packets: &mut Vec<NAPacket>, src: &mut ByteReader, stream: Rc<NAStream>, ts: u32, keyframe: bool, payload_size: usize) -> DemuxerResult<NAPacket> { |
| 140 | let (tb_num, tb_den) = stream.get_timebase(); |
| 141 | let ts = NATimeInfo::new(Some(ts as u64), None, None, tb_num, tb_den); |
| 142 | |
| 143 | if keyframe { |
| 144 | self.sub_packet = 0; |
| 145 | } |
| 146 | match self.deint { |
| 147 | Deinterleaver::None => { return src.read_packet(stream, ts, keyframe, payload_size); }, |
| 148 | Deinterleaver::RA28_8 => { |
| 149 | let iinfo = self.iinfo.unwrap(); |
| 150 | let factor = iinfo.factor as usize; |
| 151 | let halffact = factor >> 1; |
| 152 | let fsize = iinfo.frame_size as usize; |
| 153 | let bsize = iinfo.block_size as usize; |
| 154 | let ppos = self.sub_packet; |
| 155 | for sb in 0..halffact { |
| 156 | let mut dst = &mut self.buf[sb * 2 * fsize + ppos * bsize..][..bsize]; |
| 157 | src.read_buf(&mut dst)?; |
| 158 | } |
| 159 | self.sub_packet += 1; |
| 160 | if self.sub_packet == factor { |
| 161 | self.sub_packet = 0; |
| 162 | return Ok(NAPacket::new(stream, ts, true, self.buf.clone())); |
| 163 | } else { |
| 164 | return Err(DemuxerError::TryAgain); |
| 165 | } |
| 166 | }, |
| 167 | Deinterleaver::Generic => { |
| 168 | let iinfo = self.iinfo.unwrap(); |
| 169 | let factor = iinfo.factor as usize; |
| 170 | let fsize = iinfo.frame_size as usize; |
| 171 | let bsize = iinfo.block_size as usize; |
| 172 | let factor2 = fsize / bsize; |
| 173 | let ppos = self.sub_packet; |
| 174 | |
| 175 | for sb in 0..factor2 { |
| 176 | let sb_pos = factor * sb + ((factor + 1) >> 1) * (ppos & 1) + (ppos >> 1); |
| 177 | let mut dst = &mut self.buf[bsize * sb_pos..][..bsize]; |
| 178 | src.read_buf(&mut dst)?; |
| 179 | } |
| 180 | }, |
| 181 | Deinterleaver::Sipro => { |
| 182 | let iinfo = self.iinfo.unwrap(); |
| 183 | let fsize = iinfo.frame_size as usize; |
| 184 | let ppos = self.sub_packet; |
| 185 | |
| 186 | let mut dst = &mut self.buf[fsize * ppos..][..fsize]; |
| 187 | src.read_buf(&mut dst)?; |
| 188 | }, |
| 189 | Deinterleaver::VBR => { |
| 190 | validate!(payload_size >= 5); |
| 191 | let hdrsizesize = src.read_u16be()?; |
| 192 | let num_entries = (hdrsizesize / 16) as usize; |
| 193 | validate!(payload_size >= num_entries * 3 + 2); |
| 194 | let mut sizes: Vec<usize> = Vec::with_capacity(num_entries); |
| 195 | let mut tot_size = 0; |
| 196 | for _ in 0..num_entries { |
| 197 | let sz = src.read_u16be()? as usize; |
| 198 | tot_size += sz; |
| 199 | sizes.push(sz); |
| 200 | } |
| 201 | validate!(tot_size + num_entries * 2 + 2 == payload_size); |
| 202 | let pkt_ts = NATimeInfo::new(None, None, None, tb_num, tb_den); |
| 203 | let mut first = true; |
| 204 | for size in sizes.iter() { |
| 205 | let cur_ts = if first { ts } else { pkt_ts }; |
| 206 | first = false; |
| 207 | let pkt = src.read_packet(stream.clone(), cur_ts, true, *size)?; |
| 208 | queued_packets.push(pkt); |
| 209 | } |
| 210 | queued_packets.reverse(); |
| 211 | let pkt0 = queued_packets.pop().unwrap(); |
| 212 | return Ok(pkt0); |
| 213 | }, |
| 214 | }; |
| 215 | |
| 216 | let iinfo = self.iinfo.unwrap(); |
| 217 | let factor = iinfo.factor as usize; |
| 218 | let fsize = if iinfo.block_size != 0 { iinfo.block_size } else { iinfo.frame_size } as usize; |
| 219 | |
| 220 | self.sub_packet += 1; |
| 221 | if self.sub_packet < factor { |
| 222 | return Err(DemuxerError::TryAgain); |
| 223 | } |
| 224 | |
| 225 | self.sub_packet = 0; |
| 226 | |
| 227 | if self.deint == Deinterleaver::Sipro { |
| 228 | sipro_restore(&mut self.buf, factor, fsize); |
| 229 | } |
| 230 | |
| 231 | let mut frames_iter = self.buf.chunks(fsize); |
| 232 | let pkt0 = frames_iter.next().unwrap(); |
| 233 | |
| 234 | let pkt_ts = NATimeInfo::new(None, None, None, tb_num, tb_den); |
| 235 | for pkts in frames_iter { |
| 236 | let pkt = NAPacket::new(stream.clone(), pkt_ts, true, pkts.to_vec()); |
| 237 | queued_packets.push(pkt); |
| 238 | } |
| 239 | queued_packets.reverse(); |
| 240 | Ok(NAPacket::new(stream, ts, true, pkt0.to_vec())) |
| 241 | } |
| 242 | } |
| 243 | |
| 244 | fn sipro_restore(buf: &mut [u8], factor: usize, fsize: usize) { |
| 245 | let stride = factor * fsize * 2 / 96; |
| 246 | for i in 0..38 { |
| 247 | let mut sidx = (RM_SIPRO_SWAPS[i][0] as usize) * stride; |
| 248 | let mut didx = (RM_SIPRO_SWAPS[i][1] as usize) * stride; |
| 249 | for _ in 0..stride { |
| 250 | let in0 = buf[sidx >> 1]; |
| 251 | let in1 = buf[didx >> 1]; |
| 252 | let nib0 = (in0 >> ((sidx & 1) * 4)) & 0xF; |
| 253 | let nib1 = (in1 >> ((didx & 1) * 4)) & 0xF; |
| 254 | |
| 255 | buf[didx >> 1] = (nib0 << (4 * (didx & 1))) | (in1 & (0xF << (4 * (!didx & 1)))); |
| 256 | buf[sidx >> 1] = (nib1 << (4 * (sidx & 1))) | (in0 & (0xF << (4 * (!sidx & 1)))); |
| 257 | |
| 258 | sidx += 1; |
| 259 | didx += 1; |
| 260 | } |
| 261 | } |
| 262 | } |
| 263 | |
| 264 | struct SubstreamInfo { |
| 265 | id: u32, |
| 266 | map: Vec<u16>, |
| 267 | str_ids: Vec<u32>, |
| 268 | } |
| 269 | |
| 270 | struct MLTIMapper { |
| 271 | sub_info: Vec<SubstreamInfo>, |
| 272 | sstr_id: u32, |
| 273 | } |
| 274 | |
| 275 | impl MLTIMapper { |
| 276 | fn new() -> Self { |
| 277 | MLTIMapper { |
| 278 | sub_info: Vec::new(), |
| 279 | sstr_id: 0x10000, |
| 280 | } |
| 281 | } |
| 282 | fn add_stream(&mut self, stream_no: u32) { |
| 283 | let ssinfo = SubstreamInfo { id: stream_no, map: Vec::new(), str_ids: Vec::new() }; |
| 284 | self.sub_info.push(ssinfo); |
| 285 | } |
| 286 | fn get_substream_no(&self) -> u32 { |
| 287 | self.sstr_id - 1 |
| 288 | } |
| 289 | fn find_idx(&self, stream_no: u32) -> Option<usize> { |
| 290 | self.sub_info.iter().position(|x| x.id == stream_no) |
| 291 | } |
| 292 | fn add_map_rule(&mut self, map_ss: u16) { |
| 293 | let idx = self.sub_info.len() - 1; |
| 294 | self.sub_info[idx].map.push(map_ss); |
| 295 | } |
| 296 | fn add_substream(&mut self) { |
| 297 | let idx = self.sub_info.len() - 1; |
| 298 | self.sub_info[idx].str_ids.push(self.sstr_id); |
| 299 | self.sstr_id += 1; |
| 300 | } |
| 301 | fn is_mlti_stream(&self, stream_no: u32) -> bool { |
| 302 | self.find_idx(stream_no).is_some() |
| 303 | } |
| 304 | fn find_substream(&self, stream_no: u32, grp: u16) -> Option<u32> { |
| 305 | if let Some(idx) = self.find_idx(stream_no) { |
| 306 | if (grp as usize) < self.sub_info[idx].map.len() { |
| 307 | let sub_id = self.sub_info[idx].map[grp as usize] as usize; |
| 308 | if sub_id < self.sub_info[idx].str_ids.len() { |
| 309 | return Some(self.sub_info[idx].str_ids[sub_id]); |
| 310 | } |
| 311 | } |
| 312 | } |
| 313 | None |
| 314 | } |
| 315 | } |
| 316 | |
| 317 | enum RMStreamType { |
| 318 | Audio(RMAudioStream), |
| 319 | Video(RMVideoStream), |
| 320 | Logical, |
| 321 | Unknown, |
| 322 | } |
| 323 | |
| 324 | struct CommonStreamData { |
| 325 | streams: Vec<RMStreamType>, |
| 326 | str_ids: Vec<u32>, |
| 327 | mlti_mapper: MLTIMapper, |
| 328 | } |
| 329 | |
| 330 | impl CommonStreamData { |
| 331 | fn new() -> Self { |
| 332 | CommonStreamData { |
| 333 | streams: Vec::new(), |
| 334 | str_ids: Vec::new(), |
| 335 | mlti_mapper: MLTIMapper::new(), |
| 336 | } |
| 337 | } |
| 338 | fn get_stream_id(&self, str_no: u32, pkt_grp: u16) -> u32 { |
| 339 | if !self.mlti_mapper.is_mlti_stream(str_no) { |
| 340 | str_no |
| 341 | } else { |
| 342 | self.mlti_mapper.find_substream(str_no, pkt_grp).unwrap() |
| 343 | } |
| 344 | } |
| 345 | fn find_stream(&self, stream_id: u32) -> Option<usize> { |
| 346 | self.str_ids.iter().position(|x| *x == stream_id) |
| 347 | } |
| 348 | } |
| 349 | |
| 350 | struct RealMediaDemuxer<'a> { |
| 351 | src: &'a mut ByteReader<'a>, |
| 352 | data_pos: u64, |
| 353 | next_data: u64, |
| 354 | data_ver: u16, |
| 355 | num_packets: u32, |
| 356 | cur_packet: u32, |
| 357 | |
| 358 | str_data: CommonStreamData, |
| 359 | |
| 360 | queued_pkts: Vec<NAPacket>, |
| 361 | slice_buf: Vec<u8>, |
| 362 | } |
| 363 | |
| 364 | fn find_codec_name(registry: &[(&[u8;4], &'static str)], fcc: u32) -> &'static str { |
| 365 | for &(fourcc, name) in registry { |
| 366 | if mktag!(fourcc) == fcc { return name; } |
| 367 | } |
| 368 | "unknown" |
| 369 | } |
| 370 | |
| 371 | fn read_14or30(src: &mut ByteReader) -> DemuxerResult<(bool, u32)> { |
| 372 | let tmp = src.read_u16be()?; |
| 373 | let flag = (tmp & 0x8000) != 0; |
| 374 | if (tmp & 0x4000) == 0x4000 { |
| 375 | Ok((flag, ((tmp & 0x3FFF) as u32))) |
| 376 | } else { |
| 377 | let val = ((tmp as u32) << 16) | (src.read_u16be()? as u32); |
| 378 | Ok((flag, val & 0x3FFFFFFF)) |
| 379 | } |
| 380 | } |
| 381 | |
| 382 | fn read_video_buf(src: &mut ByteReader, stream: Rc<NAStream>, ts: u32, keyframe: bool, frame_size: usize) -> DemuxerResult<NAPacket> { |
| 383 | let size = (frame_size as usize) + 9; |
| 384 | let mut vec: Vec<u8> = Vec::with_capacity(size); |
| 385 | vec.resize(size, 0); |
| 386 | //v[0] = 0; // 1 slice |
| 387 | vec[4] = 1; |
| 388 | src.read_buf(&mut vec[9..])?; |
| 389 | |
| 390 | let (tb_num, tb_den) = stream.get_timebase(); |
| 391 | let ts = NATimeInfo::new(Some(ts as u64), None, None, tb_num, tb_den); |
| 392 | Ok(NAPacket::new(stream, ts, keyframe, vec)) |
| 393 | } |
| 394 | |
| 395 | fn read_multiple_frame(src: &mut ByteReader, stream: Rc<NAStream>, keyframe: bool, skip_mtype: bool) -> DemuxerResult<NAPacket> { |
| 396 | if !skip_mtype { |
| 397 | let mtype = src.read_byte()?; |
| 398 | validate!(mtype == 0xC0); |
| 399 | } |
| 400 | let (_, frame_size) = read_14or30(src)?; |
| 401 | let (_, timestamp) = read_14or30(src)?; |
| 402 | let _seq_no = src.read_byte()?; |
| 403 | //println!(" multiple frame size {} ts {} seq {}", frame_size, timestamp, seq_no); |
| 404 | |
| 405 | read_video_buf(src, stream, timestamp, keyframe, frame_size as usize) |
| 406 | } |
| 407 | |
| 408 | struct RMDemuxCommon {} |
| 409 | |
| 410 | impl RMDemuxCommon { |
| 411 | fn parse_stream_info(str_data: &mut CommonStreamData, strmgr: &mut StreamManager, stream_no: u32, edata: &Vec<u8>) -> DemuxerResult<bool> { |
| 412 | let mut is_mlti = false; |
| 413 | let mut mr = MemoryReader::new_read(edata.as_slice()); |
| 414 | let mut src = ByteReader::new(&mut mr); |
| 415 | let tag = src.read_u32be()?; |
| 416 | let tag2 = src.peek_u32be()?; |
| 417 | //println!("tag1 {:X} tag2 {:X}", tag, tag2); |
| 418 | if tag == mktag!('.', 'r', 'a', 0xFD) { |
| 419 | Self::parse_audio_stream(strmgr, &mut str_data.streams, stream_no, &mut src, edata.as_slice())?; |
| 420 | } else if ((tag2 == mktag!('V', 'I', 'D', 'O')) || (tag2 == mktag!('I', 'M', 'A', 'G'))) && ((tag as usize) <= edata.len()) { |
| 421 | Self::parse_video_stream(strmgr, &mut str_data.streams, stream_no, &mut src, edata.as_slice(), tag2)?; |
| 422 | } else if tag == mktag!(b"LSD:") { |
| 423 | let extradata = Some(edata.clone()); |
| 424 | |
| 425 | src.read_skip(4)?; //version |
| 426 | let channels = src.read_u16be()?; |
| 427 | let samp_size = src.read_u16be()?; |
| 428 | let sample_rate = src.read_u32be()?; |
| 429 | |
| 430 | println!("LSD sr {}, {} ch", sample_rate, channels); |
| 431 | let soniton = NASoniton::new(samp_size as u8, SONITON_FLAG_SIGNED); |
| 432 | let ahdr = NAAudioInfo::new(sample_rate, channels as u8, soniton, 1); |
| 433 | let nainfo = NACodecInfo::new("ralf", NACodecTypeInfo::Audio(ahdr), extradata); |
| 434 | let res = strmgr.add_stream(NAStream::new(StreamType::Audio, stream_no as u32, nainfo, 1, sample_rate)); |
| 435 | if res.is_none() { return Err(MemoryError); } |
| 436 | let astr = RMAudioStream::new(None); |
| 437 | str_data.streams.push(RMStreamType::Audio(astr)); |
| 438 | } else if tag == mktag!(b"MLTI") { |
| 439 | is_mlti = true; |
| 440 | let num_rules = src.read_u16be()? as usize; |
| 441 | let mut max_sub = 0; |
| 442 | str_data.mlti_mapper.add_stream(stream_no); |
| 443 | for _ in 0..num_rules { |
| 444 | let substr = src.read_u16be()?; |
| 445 | max_sub = max_sub.max(substr); |
| 446 | str_data.mlti_mapper.add_map_rule(substr); |
| 447 | } |
| 448 | let num_substreams = src.read_u16be()? as usize; |
| 449 | validate!(num_substreams > (max_sub as usize)); |
| 450 | for _ in 0..num_substreams { |
| 451 | let hdr_size = src.read_u32be()? as usize; |
| 452 | validate!(hdr_size > 8); |
| 453 | let pos = src.tell() as usize; |
| 454 | src.read_skip(hdr_size)?; |
| 455 | str_data.mlti_mapper.add_substream(); |
| 456 | { |
| 457 | let hdrsrc = &edata[pos..][..hdr_size]; |
| 458 | let mut mr = MemoryReader::new_read(hdrsrc); |
| 459 | let mut hsrc = ByteReader::new(&mut mr); |
| 460 | |
| 461 | let tag = hsrc.read_u32be()?; |
| 462 | let tag2 = hsrc.peek_u32be()?; |
| 463 | let stream_no = str_data.mlti_mapper.get_substream_no(); |
| 464 | //todo check that all substreams are of the same type"); |
| 465 | if tag == mktag!('.', 'r', 'a', 0xFD) { |
| 466 | Self::parse_audio_stream(strmgr, &mut str_data.streams, stream_no, &mut hsrc, hdrsrc)?; |
| 467 | } else if (tag2 == mktag!('V', 'I', 'D', 'O')) && ((tag as usize) <= hdr_size) { |
| 468 | Self::parse_video_stream(strmgr, &mut str_data.streams, stream_no, &mut hsrc, hdrsrc, tag2)?; |
| 469 | } else { |
| 470 | println!("unknown MLTI substream {:08X} / {:08X}", tag, tag2); |
| 471 | return Err(DemuxerError::InvalidData); |
| 472 | } |
| 473 | str_data.str_ids.push(stream_no); |
| 474 | } |
| 475 | } |
| 476 | } else { |
| 477 | str_data.streams.push(RMStreamType::Logical); |
| 478 | } |
| 479 | Ok(is_mlti) |
| 480 | } |
| 481 | fn parse_audio_stream(strmgr: &mut StreamManager, streams: &mut Vec<RMStreamType>, stream_no: u32, src: &mut ByteReader, edata_: &[u8]) -> DemuxerResult<()> { |
| 482 | let ver = src.read_u16be()?; |
| 483 | let ainfo = match ver { |
| 484 | 3 => { |
| 485 | parse_aformat3(src)? |
| 486 | }, |
| 487 | 4 => { |
| 488 | parse_aformat4(src)? |
| 489 | }, |
| 490 | 5 => { |
| 491 | parse_aformat5(src)? |
| 492 | }, |
| 493 | _ => { |
| 494 | println!("unknown version {}", ver); |
| 495 | return Err(DemuxerError::InvalidData); |
| 496 | }, |
| 497 | }; |
| 498 | println!(" got ainfo {:?}", ainfo); |
| 499 | let cname = find_codec_name(RM_AUDIO_CODEC_REGISTER, ainfo.fcc); |
| 500 | let blk_size = if ainfo.fcc != mktag!(b"sipr") { |
| 501 | ainfo.granularity as usize |
| 502 | } else { |
| 503 | validate!(ainfo.flavor <= 3); |
| 504 | RM_SIPRO_BLOCK_SIZES[ainfo.flavor as usize] |
| 505 | }; |
| 506 | let srate = ainfo.sample_rate; |
| 507 | let soniton = NASoniton::new(ainfo.sample_size as u8, SONITON_FLAG_SIGNED); |
| 508 | let ahdr = NAAudioInfo::new(srate, ainfo.channels as u8, soniton, blk_size); |
| 509 | let extradata = if ainfo.edata_size == 0 { |
| 510 | None |
| 511 | } else { |
| 512 | let eslice = &edata_[(src.tell() as usize)..]; |
| 513 | Some(eslice.to_vec()) |
| 514 | }; |
| 515 | let nainfo = NACodecInfo::new(cname, NACodecTypeInfo::Audio(ahdr), extradata); |
| 516 | let res = strmgr.add_stream(NAStream::new(StreamType::Audio, stream_no as u32, nainfo, 1, srate)); |
| 517 | if res.is_none() { return Err(MemoryError); } |
| 518 | |
| 519 | let astr = RMAudioStream::new(ainfo.ileave_info); |
| 520 | streams.push(RMStreamType::Audio(astr)); |
| 521 | Ok(()) |
| 522 | } |
| 523 | #[allow(unused_variables)] |
| 524 | fn parse_video_stream(strmgr: &mut StreamManager, streams: &mut Vec<RMStreamType>, stream_no: u32, src: &mut ByteReader, edata_: &[u8], tag2: u32) -> DemuxerResult<()> { |
| 525 | src.read_skip(4)?; |
| 526 | let fcc = src.read_u32be()?; |
| 527 | let width = src.read_u16be()? as usize; |
| 528 | let height = src.read_u16be()? as usize; |
| 529 | let bpp = src.read_u16be()?; |
| 530 | let pad_w = src.read_u16be()?; |
| 531 | let pad_h = src.read_u16be()?; |
| 532 | let fps; |
| 533 | if tag2 == mktag!('V', 'I', 'D', 'O') { |
| 534 | fps = src.read_u32be()?; |
| 535 | } else { |
| 536 | fps = 0x10000; |
| 537 | } |
| 538 | let extradata: Option<Vec<u8>>; |
| 539 | if src.left() > 0 { |
| 540 | let eslice = &edata_[(src.tell() as usize)..]; |
| 541 | extradata = Some(eslice.to_vec()); |
| 542 | } else { |
| 543 | extradata = None; |
| 544 | } |
| 545 | let cname = find_codec_name(RM_VIDEO_CODEC_REGISTER, fcc); |
| 546 | |
| 547 | let vhdr = NAVideoInfo::new(width, height, false, RGB24_FORMAT); |
| 548 | let vinfo = NACodecInfo::new(cname, NACodecTypeInfo::Video(vhdr), extradata); |
| 549 | let res = strmgr.add_stream(NAStream::new(StreamType::Video, stream_no as u32, vinfo, 0x10000, fps)); |
| 550 | if res.is_none() { return Err(DemuxerError::MemoryError); } |
| 551 | |
| 552 | let vstr = RMVideoStream::new(); |
| 553 | streams.push(RMStreamType::Video(vstr)); |
| 554 | Ok(()) |
| 555 | } |
| 556 | #[allow(unused_variables)] |
| 557 | fn parse_packet_payload(src: &mut ByteReader, rmstream: &mut RMStreamType, stream: Rc<NAStream>, slice_buf: &mut Vec<u8>, queued_pkts: &mut Vec<NAPacket>, keyframe: bool, ts: u32, payload_size: usize) -> DemuxerResult<NAPacket> { |
| 558 | match rmstream { |
| 559 | RMStreamType::Video(ref mut vstr) => { |
| 560 | |
| 561 | let pos = src.tell(); |
| 562 | let b0 = src.read_byte()?; |
| 563 | match b0 >> 6 { |
| 564 | 0 => { // partial frame |
| 565 | let b1 = src.read_byte()?; |
| 566 | let hdr1 = ((b0 as u16) << 8) | (b1 as u16); |
| 567 | let num_pkts = ((hdr1 >> 7) & 0x7F) as usize; |
| 568 | let packet_num = hdr1 & 0x7F; |
| 569 | let (_, frame_size) = read_14or30(src)?; |
| 570 | let (_, off) = read_14or30(src)?; |
| 571 | let seq_no = src.read_byte()?; |
| 572 | //println!(" mode 0 pkt {}/{} off {}/{} seq {}", packet_num, num_pkts, off, frame_size, seq_no); |
| 573 | let hdr_skip = (src.tell() - pos) as usize; |
| 574 | |
| 575 | let slice_size = (payload_size - hdr_skip) as usize; |
| 576 | slice_buf.resize(slice_size, 0); |
| 577 | src.read_buf(slice_buf.as_mut_slice())?; |
| 578 | if packet_num == 1 { |
| 579 | vstr.start_slice(num_pkts, frame_size as usize, slice_buf.as_slice()); |
| 580 | } else { |
| 581 | vstr.add_slice(packet_num as usize, slice_buf.as_slice()); |
| 582 | } |
| 583 | if (packet_num as usize) < num_pkts { |
| 584 | return Err(DemuxerError::TryAgain); |
| 585 | } |
| 586 | //todo: check if full frame is received |
| 587 | let (tb_num, tb_den) = stream.get_timebase(); |
| 588 | let ts = NATimeInfo::new(Some(ts as u64), None, None, tb_num, tb_den); |
| 589 | let pkt = NAPacket::new(stream, ts, keyframe, vstr.get_frame_data()); |
| 590 | Ok(pkt) |
| 591 | }, |
| 592 | 1 => { // whole frame |
| 593 | let seq_no = src.read_byte()?; |
| 594 | //println!(" mode 1 seq {}", seq_no); |
| 595 | read_video_buf(src, stream, ts, keyframe, payload_size - 2) |
| 596 | }, |
| 597 | 2 => { // last partial frame |
| 598 | let b1 = src.read_byte()?; |
| 599 | let hdr1 = ((b0 as u16) << 8) | (b1 as u16); |
| 600 | let num_pkts = ((hdr1 >> 7) & 0x7F) as usize; |
| 601 | let packet_num = hdr1 & 0x7F; |
| 602 | let (_, frame_size) = read_14or30(src)?; |
| 603 | let (_, tail_size) = read_14or30(src)?; |
| 604 | let seq_no = src.read_byte()?; |
| 605 | //println!(" mode 2 pkt {}/{} tail {}/{} seq {}", packet_num, num_pkts, tail_size, frame_size, seq_no); |
| 606 | slice_buf.resize(tail_size as usize, 0); |
| 607 | src.read_buf(slice_buf.as_mut_slice())?; |
| 608 | if packet_num == 1 && frame_size == tail_size { |
| 609 | vstr.start_slice(num_pkts, frame_size as usize, slice_buf.as_slice()); |
| 610 | } else { |
| 611 | vstr.add_slice(packet_num as usize, slice_buf.as_slice()); |
| 612 | } |
| 613 | |
| 614 | while src.tell() < pos + (payload_size as u64) { |
| 615 | let res = read_multiple_frame(src, stream.clone(), false, false); |
| 616 | if res.is_err() { break; } |
| 617 | queued_pkts.push(res.unwrap()); |
| 618 | } |
| 619 | queued_pkts.reverse(); |
| 620 | let (tb_num, tb_den) = stream.get_timebase(); |
| 621 | let ts = NATimeInfo::new(Some(ts as u64), None, None, tb_num, tb_den); |
| 622 | let pkt = NAPacket::new(stream, ts, keyframe, vstr.get_frame_data()); |
| 623 | Ok(pkt) |
| 624 | }, |
| 625 | _ => { // multiple frames |
| 626 | //println!(" mode 3"); |
| 627 | let res = read_multiple_frame(src, stream.clone(), keyframe, true); |
| 628 | if res.is_err() { return res; } |
| 629 | while src.tell() < pos + (payload_size as u64) { |
| 630 | let res = read_multiple_frame(src, stream.clone(), false, false); |
| 631 | if res.is_err() { break; } |
| 632 | queued_pkts.push(res.unwrap()); |
| 633 | } |
| 634 | queued_pkts.reverse(); |
| 635 | res |
| 636 | }, |
| 637 | } |
| 638 | }, |
| 639 | RMStreamType::Audio(ref mut astr) => { |
| 640 | astr.read_apackets(queued_pkts, src, stream, ts, keyframe, payload_size) |
| 641 | }, |
| 642 | _ => { |
| 643 | src.read_skip(payload_size)?; |
| 644 | Err(DemuxerError::InvalidData) |
| 645 | }, |
| 646 | } |
| 647 | } |
| 648 | } |
| 649 | |
| 650 | impl<'a> DemuxCore<'a> for RealMediaDemuxer<'a> { |
| 651 | #[allow(unused_variables)] |
| 652 | fn open(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<()> { |
| 653 | self.read_header(strmgr)?; |
| 654 | Ok(()) |
| 655 | } |
| 656 | |
| 657 | #[allow(unused_variables)] |
| 658 | fn get_frame(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<NAPacket> { |
| 659 | if !self.queued_pkts.is_empty() { |
| 660 | let pkt = self.queued_pkts.pop().unwrap(); |
| 661 | return Ok(pkt); |
| 662 | } |
| 663 | loop { |
| 664 | if self.cur_packet >= self.num_packets { |
| 665 | if (self.next_data != 0) && (self.next_data == self.src.tell()) { |
| 666 | let res = read_chunk(self.src); |
| 667 | if let Ok((id, size, ver)) = res { |
| 668 | self.data_pos = self.src.tell(); |
| 669 | self.data_ver = ver; |
| 670 | if self.parse_data_start().is_ok() { |
| 671 | continue; |
| 672 | } |
| 673 | } |
| 674 | } |
| 675 | return Err(DemuxerError::EOF); |
| 676 | } |
| 677 | |
| 678 | let pkt_start = self.src.tell(); |
| 679 | let ver = self.src.read_u16be()?; |
| 680 | validate!(ver <= 1); |
| 681 | let len = self.src.read_u16be()? as usize; |
| 682 | let str_no = self.src.read_u16be()? as u32; |
| 683 | let ts = self.src.read_u32be()?; |
| 684 | let pkt_grp; |
| 685 | let flags; |
| 686 | if ver == 0 { |
| 687 | pkt_grp = self.src.read_byte()? as u16; |
| 688 | flags = self.src.read_byte()?; |
| 689 | } else { |
| 690 | //asm_rule = self.src.read_u16be()?; |
| 691 | //asm_flags = self.src.read_byte()?; |
| 692 | self.src.read_skip(2)?; |
| 693 | pkt_grp = 0; |
| 694 | self.src.read_skip(1)?; |
| 695 | flags = 0; |
| 696 | } |
| 697 | let hdr_size = self.src.tell() - pkt_start; |
| 698 | //println!("packet @{:X} size {} for {} ts {} grp {} flags {:X}", pkt_start, len, str_no, ts, pkt_grp, flags); |
| 699 | self.cur_packet += 1; |
| 700 | |
| 701 | let payload_size = len - (hdr_size as usize); |
| 702 | |
| 703 | let stream_id = self.str_data.get_stream_id(str_no as u32, pkt_grp); |
| 704 | let sr = self.str_data.find_stream(stream_id); |
| 705 | if sr.is_none() { |
| 706 | //println!("stream {} not found", str_no); |
| 707 | self.src.read_skip(payload_size)?; |
| 708 | return Err(DemuxerError::InvalidData); |
| 709 | } |
| 710 | let str_id = sr.unwrap(); |
| 711 | |
| 712 | let streamres = strmgr.get_stream_by_id(stream_id); |
| 713 | if streamres.is_none() { |
| 714 | self.src.read_skip(payload_size)?; |
| 715 | continue; |
| 716 | } |
| 717 | let stream = streamres.unwrap(); |
| 718 | //println!(" stream {}", str_id); |
| 719 | if strmgr.is_ignored_id(stream_id) { |
| 720 | self.src.read_skip(payload_size)?; |
| 721 | continue; |
| 722 | } |
| 723 | //todo skip unwanted packet |
| 724 | let keyframe = (flags & KEYFRAME_FLAG) != 0; |
| 725 | |
| 726 | let ret = RMDemuxCommon::parse_packet_payload(&mut self.src, &mut self.str_data.streams[str_id], stream, &mut self.slice_buf, &mut self.queued_pkts, keyframe, ts, payload_size); |
| 727 | if let Err(DemuxerError::TryAgain) = ret { |
| 728 | continue; |
| 729 | } else { |
| 730 | return ret; |
| 731 | } |
| 732 | } |
| 733 | } |
| 734 | |
| 735 | #[allow(unused_variables)] |
| 736 | fn seek(&mut self, time: u64) -> DemuxerResult<()> { |
| 737 | Err(NotImplemented) |
| 738 | } |
| 739 | } |
| 740 | |
| 741 | fn read_chunk(src: &mut ByteReader) -> DemuxerResult<(u32, u32, u16)> { |
| 742 | let id = src.read_u32be()?; |
| 743 | if id == 0 { return Ok((0, 0, 0)); } |
| 744 | let size = src.read_u32be()?; |
| 745 | if size == 0 { |
| 746 | let ver = src.read_u16be()?; |
| 747 | validate!(ver <= 2); |
| 748 | return Ok((id, 0x0FFFFFFF, ver)); |
| 749 | } |
| 750 | validate!(size >= 10); |
| 751 | let ver = src.read_u16be()?; |
| 752 | validate!(ver <= 2); |
| 753 | Ok((id, size, ver)) |
| 754 | } |
| 755 | |
| 756 | #[derive(Clone,Copy,Debug)] |
| 757 | struct InterleaveInfo { |
| 758 | id: u32, |
| 759 | factor: u16, |
| 760 | block_size: u16, |
| 761 | frame_size: u16, |
| 762 | } |
| 763 | |
| 764 | #[derive(Clone,Copy,Debug)] |
| 765 | struct RealAudioInfo { |
| 766 | fcc: u32, |
| 767 | sample_rate: u32, |
| 768 | sample_size: u16, |
| 769 | flavor: u16, |
| 770 | channels: u16, |
| 771 | channel_mask: u32, |
| 772 | granularity: u32, |
| 773 | bytes_per_minute: u32, |
| 774 | total_bytes: u32, |
| 775 | edata_size: u32, |
| 776 | ileave_info: Option<InterleaveInfo> |
| 777 | } |
| 778 | |
| 779 | fn skip_ra_metadata(src: &mut ByteReader) -> DemuxerResult<()> { |
| 780 | let title_len = src.read_byte()? as usize; |
| 781 | src.read_skip(title_len)?; |
| 782 | let author_len = src.read_byte()? as usize; |
| 783 | src.read_skip(author_len)?; |
| 784 | let copywrong_len = src.read_byte()? as usize; |
| 785 | src.read_skip(copywrong_len)?; |
| 786 | let comment_len = src.read_byte()? as usize; |
| 787 | src.read_skip(comment_len)?; |
| 788 | Ok(()) |
| 789 | } |
| 790 | |
| 791 | #[allow(unused_variables)] |
| 792 | fn parse_aformat3(src: &mut ByteReader) -> DemuxerResult<RealAudioInfo> { |
| 793 | let start = src.tell(); |
| 794 | let header_len = src.read_u16be()?; |
| 795 | validate!(header_len >= 24); |
| 796 | let flavor = src.read_u16be()?; |
| 797 | let granularity = src.read_u32be()?; |
| 798 | let bytes_per_minute = src.read_u32be()?; |
| 799 | let total_bytes = src.read_u32be()?; |
| 800 | |
| 801 | skip_ra_metadata(src)?; |
| 802 | |
| 803 | let _can_copy = src.read_byte()?; |
| 804 | let fcc_len = src.read_byte()?; |
| 805 | validate!(fcc_len == 4); |
| 806 | let fcc = src.read_u32be()?; |
| 807 | |
| 808 | let end = src.tell(); |
| 809 | validate!(end - start <= (header_len as u64) + 2); |
| 810 | |
| 811 | Ok(RealAudioInfo { |
| 812 | fcc: fcc, flavor: flavor, |
| 813 | sample_rate: 8000, sample_size: 16, channels: 1, channel_mask: 0, |
| 814 | granularity: granularity, bytes_per_minute: bytes_per_minute, |
| 815 | total_bytes: total_bytes, edata_size: 0, |
| 816 | ileave_info: None, |
| 817 | }) |
| 818 | } |
| 819 | |
| 820 | #[allow(unused_variables)] |
| 821 | fn parse_aformat4(src: &mut ByteReader) -> DemuxerResult<RealAudioInfo> { |
| 822 | let start = src.tell(); |
| 823 | src.read_skip(2)?; // zeroes |
| 824 | let id = src.read_u32be()?; |
| 825 | validate!(id == mktag!(b".ra4")); |
| 826 | let data_size = src.read_u32be()?; |
| 827 | let _ver4 = src.read_u16be()?; // should be 4 |
| 828 | let header_size = src.read_u32be()?; |
| 829 | let flavor = src.read_u16be()?; |
| 830 | let granularity = src.read_u32be()?; |
| 831 | let total_bytes = src.read_u32be()?; |
| 832 | let bytes_per_minute = src.read_u32be()?; |
| 833 | let _bytes_per_minute2 = src.read_u32be()?; |
| 834 | let ileave_factor = src.read_u16be()?; |
| 835 | let ileave_block_size = src.read_u16be()?; |
| 836 | let _user_data = src.read_u16be()?; |
| 837 | let sample_rate = src.read_u32be()?; |
| 838 | let sample_size = src.read_u32be()?; |
| 839 | let channels = src.read_u16be()?; |
| 840 | let interleaver_id_len = src.read_byte()?; |
| 841 | validate!(interleaver_id_len == 4); |
| 842 | let interleaver_id = src.read_u32be()?; |
| 843 | let fcc_len = src.read_byte()?; |
| 844 | validate!(fcc_len == 4); |
| 845 | let fcc = src.read_u32be()?; |
| 846 | let is_interleaved = src.read_byte()?; |
| 847 | let _can_copy = src.read_byte()?; |
| 848 | let _stream_type = src.read_byte()?; |
| 849 | |
| 850 | skip_ra_metadata(src)?; |
| 851 | |
| 852 | let end = src.tell(); |
| 853 | validate!(end - start <= (header_size as u64) + 10); |
| 854 | |
| 855 | let ileave_info = if is_interleaved != 0 { |
| 856 | Some(InterleaveInfo { |
| 857 | id: interleaver_id, factor: ileave_factor, block_size: granularity as u16, |
| 858 | frame_size: ileave_block_size, |
| 859 | }) |
| 860 | } else { |
| 861 | None |
| 862 | }; |
| 863 | |
| 864 | Ok(RealAudioInfo { |
| 865 | fcc: fcc, flavor: flavor, |
| 866 | sample_rate: sample_rate, sample_size: sample_size as u16, channels: channels, channel_mask: 0, |
| 867 | granularity: granularity, bytes_per_minute: bytes_per_minute, |
| 868 | total_bytes: total_bytes & 0xFFFFFF, edata_size: 0, |
| 869 | ileave_info: ileave_info, |
| 870 | }) |
| 871 | } |
| 872 | |
| 873 | #[allow(unused_variables)] |
| 874 | fn parse_aformat5(src: &mut ByteReader) -> DemuxerResult<RealAudioInfo> { |
| 875 | let start = src.tell(); |
| 876 | src.read_skip(2)?; // zeroes |
| 877 | let id = src.read_u32be()?; |
| 878 | validate!((id == mktag!(b".ra5")) || (id == mktag!(b".ra4"))); |
| 879 | let data_size = src.read_u32be()?; |
| 880 | let _ver5 = src.read_u16be()?; // should be 5 |
| 881 | let header_size = src.read_u32be()?; |
| 882 | let flavor = src.read_u16be()?; |
| 883 | let granularity = src.read_u32be()?; |
| 884 | let total_bytes = src.read_u32be()?; |
| 885 | let bytes_per_minute = src.read_u32be()?; |
| 886 | let _bytes_per_minute2 = src.read_u32be()?; |
| 887 | let ileave_factor = src.read_u16be()?; |
| 888 | let frame_size = src.read_u16be()?; |
| 889 | let ileave_block_size = src.read_u16be()?; |
| 890 | let user_data = src.read_u32be()?; |
| 891 | let _sample_rate1 = src.read_u16be()?; |
| 892 | let sample_rate = src.read_u32be()?; |
| 893 | let sample_size = src.read_u32be()?; |
| 894 | let channels = src.read_u16be()?; |
| 895 | let interleaver_id = src.read_u32be()?; |
| 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 | let has_ileave_pattern = src.read_byte()?; |
| 901 | if has_ileave_pattern != 0 { |
| 902 | unimplemented!("ra5 interleave pattern"); |
| 903 | } |
| 904 | let mut edata_size = src.read_u32be()?; |
| 905 | let end = src.tell(); |
| 906 | if id == mktag!(b".ra5") { |
| 907 | validate!(end - start <= (header_size as u64) + 10); |
| 908 | // src.read_skip(((end - start) as usize) - (header_size as usize) - 10)?; |
| 909 | } else { |
| 910 | validate!(end - start <= (header_size as u64) + 15); |
| 911 | } |
| 912 | |
| 913 | let ileave_info = if is_interleaved != 0 { |
| 914 | Some(InterleaveInfo { |
| 915 | id: interleaver_id, factor: ileave_factor, block_size: ileave_block_size, frame_size: frame_size, |
| 916 | }) |
| 917 | } else { |
| 918 | None |
| 919 | }; |
| 920 | if (fcc == mktag!(b"raac")) || (fcc == mktag!(b"racp")) { |
| 921 | validate!(edata_size > 1); |
| 922 | edata_size -= 1; |
| 923 | src.read_skip(1)?; |
| 924 | } |
| 925 | |
| 926 | Ok(RealAudioInfo { |
| 927 | fcc: fcc, flavor: flavor, |
| 928 | sample_rate: sample_rate, sample_size: sample_size as u16, channels: channels, channel_mask: 0, |
| 929 | granularity: granularity, bytes_per_minute: bytes_per_minute, |
| 930 | total_bytes: total_bytes & 0xFFFFFF, edata_size: edata_size, |
| 931 | ileave_info: ileave_info, |
| 932 | }) |
| 933 | } |
| 934 | |
| 935 | const RMVB_HDR_SIZE: u32 = 18; |
| 936 | const RMVB_PROP_SIZE: u32 = 50; |
| 937 | const KEYFRAME_FLAG: u8 = 0x02; |
| 938 | |
| 939 | impl<'a> RealMediaDemuxer<'a> { |
| 940 | fn new(io: &'a mut ByteReader<'a>) -> Self { |
| 941 | RealMediaDemuxer { |
| 942 | src: io, |
| 943 | data_pos: 0, |
| 944 | next_data: 0, |
| 945 | data_ver: 0, |
| 946 | num_packets: 0, |
| 947 | cur_packet: 0, |
| 948 | str_data: CommonStreamData::new(), |
| 949 | queued_pkts: Vec::new(), |
| 950 | slice_buf: Vec::new(), |
| 951 | } |
| 952 | } |
| 953 | #[allow(unused_variables)] |
| 954 | fn read_header(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<()> { |
| 955 | let (id, size, ver) = read_chunk(self.src)?; |
| 956 | validate!((id == mktag!(b".RMF")) || (id == mktag!(b".RMP"))); |
| 957 | validate!(size >= RMVB_HDR_SIZE); |
| 958 | let fver = self.src.read_u32be()?; |
| 959 | validate!(fver <= 1); |
| 960 | let num_hdr = self.src.read_u32be()? as usize; |
| 961 | validate!(num_hdr >= 1); |
| 962 | if size > RMVB_HDR_SIZE { |
| 963 | self.src.read_skip((size - RMVB_HDR_SIZE) as usize)?; |
| 964 | } |
| 965 | |
| 966 | let (id, size, ver) = read_chunk(self.src)?; |
| 967 | let prop_size = if ver == 0 { RMVB_PROP_SIZE } else { RMVB_PROP_SIZE + 4 }; |
| 968 | validate!(size >= prop_size); |
| 969 | validate!((ver == 0) || (ver == 2)); |
| 970 | let maxbr = self.src.read_u32be()?; |
| 971 | let avgbr = self.src.read_u32be()?; |
| 972 | let maxps = self.src.read_u32be()?; |
| 973 | let avgps = self.src.read_u32be()?; |
| 974 | let num_pkt = self.src.read_u32be()? as usize; |
| 975 | let duration = self.src.read_u32be()?; |
| 976 | let preroll = self.src.read_u32be()?; |
| 977 | if ver == 2 { |
| 978 | self.src.read_skip(4)?; |
| 979 | } |
| 980 | let idx_off = self.src.read_u32be()?; |
| 981 | let data_off = self.src.read_u32be()?; |
| 982 | let num_streams = self.src.read_u16be()? as usize; |
| 983 | let flags = self.src.read_u16be()?; |
| 984 | if size > prop_size { |
| 985 | self.src.read_skip((size - prop_size) as usize)?; |
| 986 | } |
| 987 | |
| 988 | for _ in 0..num_hdr { |
| 989 | if self.src.is_eof() { |
| 990 | //warn maybe? |
| 991 | break; |
| 992 | } |
| 993 | let res = self.parse_chunk(strmgr); |
| 994 | match res { |
| 995 | Ok(last) => { if last { break; } }, |
| 996 | Err(DemuxerError::IOError) => { break; }, |
| 997 | Err(etype) => { |
| 998 | if self.data_pos == 0 { // data is not found, report error |
| 999 | return Err(etype); |
| 1000 | } |
| 1001 | }, |
| 1002 | }; |
| 1003 | } |
| 1004 | //println!("now @ {:X} / {}", self.src.tell(), self.data_pos); |
| 1005 | validate!(self.data_pos > 0); |
| 1006 | self.src.seek(SeekFrom::Start(self.data_pos))?; |
| 1007 | self.parse_data_start()?; |
| 1008 | Ok(()) |
| 1009 | } |
| 1010 | fn parse_data_start(&mut self) -> DemuxerResult<()> { |
| 1011 | let num_packets = self.src.read_u32be()?; |
| 1012 | if self.data_ver == 2 { |
| 1013 | self.src.read_skip(12)?; // zeroes? |
| 1014 | } |
| 1015 | let next_data_hdr = self.src.read_u32be()?; |
| 1016 | self.num_packets = if num_packets > 0 { num_packets } else { 0xFFFFFF }; |
| 1017 | self.cur_packet = 0; |
| 1018 | self.next_data = next_data_hdr as u64; |
| 1019 | Ok(()) |
| 1020 | } |
| 1021 | fn parse_chunk(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<bool> { |
| 1022 | let (id, size, ver) = read_chunk(self.src)?; |
| 1023 | let end_pos = self.src.tell() - 10 + (size as u64); |
| 1024 | |
| 1025 | validate!((ver == 0) || (ver == 2)); |
| 1026 | if id == mktag!(b"CONT") { self.parse_content_desc()?; } |
| 1027 | else if id == mktag!(b"MDPR") { self.parse_mdpr(strmgr)?; } |
| 1028 | else if id == mktag!(b"DATA") { if self.data_pos == 0 { self.data_ver = ver; self.data_pos = self.src.tell(); } } |
| 1029 | else if id == mktag!(b"INDX") { /* do nothing for now */ } |
| 1030 | else if id == 0 { return Ok(true); } |
| 1031 | else { println!("unknown chunk type {:08X}", id); } |
| 1032 | |
| 1033 | let cpos = self.src.tell(); |
| 1034 | if cpos < end_pos { |
| 1035 | self.src.read_skip((end_pos - cpos) as usize)?; |
| 1036 | } |
| 1037 | Ok(false) |
| 1038 | } |
| 1039 | #[allow(unused_variables)] |
| 1040 | fn parse_content_desc(&mut self) -> DemuxerResult<()> { |
| 1041 | let title_len = self.src.read_u16be()? as usize; |
| 1042 | self.src.read_skip(title_len)?; |
| 1043 | let author_len = self.src.read_u16be()? as usize; |
| 1044 | self.src.read_skip(author_len)?; |
| 1045 | let copywrong_len = self.src.read_u16be()? as usize; |
| 1046 | self.src.read_skip(copywrong_len)?; |
| 1047 | let comment_len = self.src.read_u16be()? as usize; |
| 1048 | self.src.read_skip(comment_len)?; |
| 1049 | Ok(()) |
| 1050 | } |
| 1051 | #[allow(unused_variables)] |
| 1052 | fn parse_mdpr(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<()> { |
| 1053 | let stream_no = self.src.read_u16be()? as u32; |
| 1054 | //todo check stream_no for duplicates |
| 1055 | let maxbr = self.src.read_u32be()?; |
| 1056 | let avgbr = self.src.read_u32be()?; |
| 1057 | let maxps = self.src.read_u32be()?; |
| 1058 | let avgps = self.src.read_u32be()?; |
| 1059 | let start = self.src.read_u32be()?; |
| 1060 | let preroll = self.src.read_u32be()?; |
| 1061 | let duration = self.src.read_u32be()?; |
| 1062 | let sname_size = self.src.read_byte()? as usize; |
| 1063 | let sname = read_string_size(self.src, sname_size)?; |
| 1064 | //println!("str #{} sname = {} pkts {}/{} start {} preroll {}", stream_no, sname, maxps, avgps, start, preroll); |
| 1065 | let mime_size = self.src.read_byte()? as usize; |
| 1066 | let mime = read_string_size(self.src, mime_size)?; |
| 1067 | //println!("mime = {}", mime); |
| 1068 | let edata_size = self.src.read_u32be()? as usize; |
| 1069 | let edata: Option<Vec<u8>> = if edata_size == 0 { None } else { |
| 1070 | let mut edvec: Vec<u8> = Vec::with_capacity(edata_size); |
| 1071 | edvec.resize(edata_size, 0); |
| 1072 | self.src.read_buf(&mut edvec)?; |
| 1073 | Some(edvec) |
| 1074 | }; |
| 1075 | let mut is_mlti = false; |
| 1076 | if edata_size > 8 { |
| 1077 | if let Some(edata_) = edata { |
| 1078 | is_mlti = RMDemuxCommon::parse_stream_info(&mut self.str_data, strmgr, stream_no, &edata_)?; |
| 1079 | } |
| 1080 | } else { |
| 1081 | self.str_data.streams.push(RMStreamType::Unknown); |
| 1082 | } |
| 1083 | if !is_mlti { |
| 1084 | self.str_data.str_ids.push(stream_no); |
| 1085 | } |
| 1086 | |
| 1087 | Ok(()) |
| 1088 | } |
| 1089 | } |
| 1090 | |
| 1091 | fn read_string_size(src: &mut ByteReader, size: usize) -> DemuxerResult<String> { |
| 1092 | let mut vec: Vec<u8> = Vec::new(); |
| 1093 | for _ in 0..size { |
| 1094 | let c = src.read_byte()?; |
| 1095 | vec.push(c); |
| 1096 | } |
| 1097 | let str = String::from_utf8(vec); |
| 1098 | if str.is_ok() { |
| 1099 | Ok(str.unwrap()) |
| 1100 | } else { |
| 1101 | Ok(String::new()) |
| 1102 | } |
| 1103 | } |
| 1104 | |
| 1105 | struct RealAudioDemuxer<'a> { |
| 1106 | src: &'a mut ByteReader<'a>, |
| 1107 | stream: Option<RMAudioStream>, |
| 1108 | data_start: u64, |
| 1109 | data_end: u64, |
| 1110 | blk_size: usize, |
| 1111 | queued_pkts: Vec<NAPacket>, |
| 1112 | } |
| 1113 | |
| 1114 | impl<'a> DemuxCore<'a> for RealAudioDemuxer<'a> { |
| 1115 | #[allow(unused_variables)] |
| 1116 | fn open(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<()> { |
| 1117 | let magic = self.src.read_u32be()?; |
| 1118 | validate!(magic == mktag!(b".ra\xFD")); |
| 1119 | let ver = self.src.read_u16be()?; |
| 1120 | let ainfo = match ver { |
| 1121 | 3 => { |
| 1122 | parse_aformat3(&mut self.src)? |
| 1123 | }, |
| 1124 | 4 => { |
| 1125 | parse_aformat4(&mut self.src)? |
| 1126 | }, |
| 1127 | 5 => { |
| 1128 | parse_aformat5(&mut self.src)? |
| 1129 | }, |
| 1130 | _ => { |
| 1131 | println!("unknown version {}", ver); |
| 1132 | return Err(DemuxerError::InvalidData); |
| 1133 | }, |
| 1134 | }; |
| 1135 | println!(" got ainfo {:?}", ainfo); |
| 1136 | let cname = find_codec_name(RM_AUDIO_CODEC_REGISTER, ainfo.fcc); |
| 1137 | let blk_size = if ainfo.fcc != mktag!(b"sipr") { |
| 1138 | ainfo.granularity as usize |
| 1139 | } else { |
| 1140 | validate!(ainfo.flavor <= 3); |
| 1141 | RM_SIPRO_BLOCK_SIZES[ainfo.flavor as usize] |
| 1142 | }; |
| 1143 | let srate = ainfo.sample_rate; |
| 1144 | let soniton = NASoniton::new(ainfo.sample_size as u8, SONITON_FLAG_SIGNED); |
| 1145 | let ahdr = NAAudioInfo::new(srate, ainfo.channels as u8, soniton, blk_size); |
| 1146 | let extradata = if ainfo.edata_size == 0 { |
| 1147 | None |
| 1148 | } else { |
| 1149 | let mut dta: Vec<u8> = Vec::with_capacity(ainfo.edata_size as usize); |
| 1150 | dta.resize(ainfo.edata_size as usize, 0); |
| 1151 | self.src.read_buf(dta.as_mut_slice())?; |
| 1152 | Some(dta) |
| 1153 | }; |
| 1154 | let nainfo = NACodecInfo::new(cname, NACodecTypeInfo::Audio(ahdr), extradata); |
| 1155 | let res = strmgr.add_stream(NAStream::new(StreamType::Audio, 0, nainfo, 1, srate)); |
| 1156 | if res.is_none() { return Err(MemoryError); } |
| 1157 | |
| 1158 | let astr = RMAudioStream::new(ainfo.ileave_info); |
| 1159 | self.data_start = self.src.tell(); |
| 1160 | self.data_end = if ainfo.total_bytes > 0 { self.src.tell() + (ainfo.total_bytes as u64) } else { 0 }; |
| 1161 | self.blk_size = blk_size; |
| 1162 | self.stream = Some(astr); |
| 1163 | |
| 1164 | Ok(()) |
| 1165 | } |
| 1166 | |
| 1167 | fn get_frame(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<NAPacket> { |
| 1168 | if !self.queued_pkts.is_empty() { |
| 1169 | let pkt = self.queued_pkts.pop().unwrap(); |
| 1170 | return Ok(pkt); |
| 1171 | } |
| 1172 | if (self.data_end != 0) && (self.src.tell() >= self.data_end) { |
| 1173 | return Err(DemuxerError::EOF); |
| 1174 | } |
| 1175 | let streamres = strmgr.get_stream_by_id(0); |
| 1176 | let stream = streamres.unwrap(); |
| 1177 | if let Some(ref mut astr) = self.stream { |
| 1178 | loop { |
| 1179 | let ret = astr.read_apackets(&mut self.queued_pkts, &mut self.src, stream.clone(), 0, false, self.blk_size); |
| 1180 | if let Err(DemuxerError::TryAgain) = ret { |
| 1181 | continue; |
| 1182 | } |
| 1183 | return ret; |
| 1184 | } |
| 1185 | } |
| 1186 | Err(DemuxerError::NoSuchInput) |
| 1187 | } |
| 1188 | |
| 1189 | #[allow(unused_variables)] |
| 1190 | fn seek(&mut self, time: u64) -> DemuxerResult<()> { |
| 1191 | Err(NotImplemented) |
| 1192 | } |
| 1193 | } |
| 1194 | |
| 1195 | impl<'a> RealAudioDemuxer<'a> { |
| 1196 | fn new(io: &'a mut ByteReader<'a>) -> Self { |
| 1197 | RealAudioDemuxer { |
| 1198 | src: io, |
| 1199 | data_start: 0, |
| 1200 | data_end: 0, |
| 1201 | blk_size: 0, |
| 1202 | stream: None, |
| 1203 | queued_pkts: Vec::new(), |
| 1204 | } |
| 1205 | } |
| 1206 | } |
| 1207 | |
| 1208 | enum IVRRecord { |
| 1209 | Invalid(u8), |
| 1210 | StreamProperties(usize), |
| 1211 | Packet { ts: u32, str: u32, flags: u32, len: usize, checksum: u32 }, |
| 1212 | IntValue(Vec<u8>, u32), |
| 1213 | BinaryData(Vec<u8>, Vec<u8>), |
| 1214 | StringData(Vec<u8>, Vec<u8>), |
| 1215 | HeaderEnd, |
| 1216 | DataStart, |
| 1217 | DataEnd, |
| 1218 | } |
| 1219 | |
| 1220 | impl IVRRecord { |
| 1221 | fn read_string(src: &mut ByteReader) -> DemuxerResult<Vec<u8>> { |
| 1222 | let len = src.read_u32be()? as usize; |
| 1223 | let mut val = Vec::with_capacity(len); |
| 1224 | val.resize(len, 0); |
| 1225 | src.read_buf(val.as_mut_slice())?; |
| 1226 | Ok(val) |
| 1227 | } |
| 1228 | |
| 1229 | fn read(src: &mut ByteReader) -> DemuxerResult<Self> { |
| 1230 | let code = src.read_byte()?; |
| 1231 | match code { |
| 1232 | 1 => { |
| 1233 | let val = src.read_u32be()? as usize; |
| 1234 | Ok(IVRRecord::StreamProperties(val)) |
| 1235 | }, |
| 1236 | 2 => { |
| 1237 | let ts = src.read_u32be()?; |
| 1238 | let str = src.read_u16be()? as u32; |
| 1239 | let flags = src.read_u32be()?; |
| 1240 | let len = src.read_u32be()? as usize; |
| 1241 | let chk = src.read_u32be()?; |
| 1242 | validate!((len > 0) && (len < (1 << 24))); |
| 1243 | Ok(IVRRecord::Packet { ts, str, flags, len, checksum: chk }) |
| 1244 | }, |
| 1245 | 3 => { |
| 1246 | let name = Self::read_string(src)?; |
| 1247 | let len = src.read_u32be()?; |
| 1248 | validate!(len == 4); |
| 1249 | let val = src.read_u32be()?; |
| 1250 | Ok(IVRRecord::IntValue(name, val)) |
| 1251 | }, |
| 1252 | 4 => { |
| 1253 | let name = Self::read_string(src)?; |
| 1254 | let len = src.read_u32be()? as usize; |
| 1255 | let mut val = Vec::with_capacity(len); |
| 1256 | val.resize(len, 0); |
| 1257 | src.read_buf(val.as_mut_slice())?; |
| 1258 | Ok(IVRRecord::BinaryData(name, val)) |
| 1259 | }, |
| 1260 | 5 => { |
| 1261 | let name = Self::read_string(src)?; |
| 1262 | let val = Self::read_string(src)?; |
| 1263 | Ok(IVRRecord::StringData(name, val)) |
| 1264 | }, |
| 1265 | 6 => Ok(IVRRecord::HeaderEnd), |
| 1266 | 7 => { |
| 1267 | src.read_skip(8)?; // always zero? |
| 1268 | Ok(IVRRecord::DataEnd) |
| 1269 | }, |
| 1270 | 8 => { |
| 1271 | src.read_skip(8)?; // always zero? |
| 1272 | Ok(IVRRecord::DataStart) |
| 1273 | }, |
| 1274 | _ => Ok(IVRRecord::Invalid(code)), |
| 1275 | } |
| 1276 | } |
| 1277 | fn is_data_start(&self) -> bool { |
| 1278 | match *self { |
| 1279 | IVRRecord::DataStart => true, |
| 1280 | _ => false, |
| 1281 | } |
| 1282 | } |
| 1283 | } |
| 1284 | |
| 1285 | impl fmt::Display for IVRRecord { |
| 1286 | fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { |
| 1287 | match *self { |
| 1288 | IVRRecord::Invalid(typ) => write!(f, "Invalid({:02X})", typ), |
| 1289 | IVRRecord::StreamProperties(num) => |
| 1290 | write!(f, "({} stream properties)", num), |
| 1291 | IVRRecord::Packet { ts, str, flags, len, checksum } => |
| 1292 | write!(f, "paket({}, {}, {:X}, {}, {})", ts, str, flags, len, checksum), |
| 1293 | IVRRecord::IntValue(ref name, val) => |
| 1294 | write!(f, "({} = {})", String::from_utf8_lossy(name), val), |
| 1295 | IVRRecord::BinaryData(ref name, ref val) => |
| 1296 | write!(f, "({} = {} bytes)", String::from_utf8_lossy(name), val.len()), |
| 1297 | IVRRecord::StringData(ref name, ref val) => |
| 1298 | write!(f, "({} = {})", String::from_utf8_lossy(name), String::from_utf8_lossy(val)), |
| 1299 | IVRRecord::HeaderEnd => write!(f, "header end"), |
| 1300 | IVRRecord::DataEnd => write!(f, "data end"), |
| 1301 | IVRRecord::DataStart => write!(f, "data start"), |
| 1302 | } |
| 1303 | } |
| 1304 | } |
| 1305 | |
| 1306 | struct RecordDemuxer { |
| 1307 | start_pos: u64, |
| 1308 | cur_pos: u64, |
| 1309 | start_str: u32, |
| 1310 | remap_ids: Vec<u32>, |
| 1311 | } |
| 1312 | |
| 1313 | impl RecordDemuxer { |
| 1314 | fn new(pos: u64, start_str: u32) -> Self { |
| 1315 | RecordDemuxer { |
| 1316 | start_pos: pos, |
| 1317 | cur_pos: pos, |
| 1318 | start_str: start_str, |
| 1319 | remap_ids: Vec::new(), |
| 1320 | } |
| 1321 | } |
| 1322 | fn parse_header(&mut self, src: &mut ByteReader, strmgr: &mut StreamManager, str_data: &mut CommonStreamData) -> DemuxerResult<()> { |
| 1323 | src.seek(SeekFrom::Start(self.cur_pos))?; |
| 1324 | let magic = src.read_u32be()?; |
| 1325 | validate!(magic == mktag!(b".REC")); |
| 1326 | let _smth = src.read_byte()?; |
| 1327 | let num_entries = src.read_u32be()? as usize; |
| 1328 | for _ in 0..num_entries { |
| 1329 | let _rec = IVRRecord::read(src)?; |
| 1330 | //println!(" header rec {}", _rec); |
| 1331 | } |
| 1332 | let mut has_seek_table = false; |
| 1333 | let mut cur_str_no = 0; |
| 1334 | loop { |
| 1335 | let rec = IVRRecord::read(src)?; |
| 1336 | match rec { |
| 1337 | IVRRecord::HeaderEnd => { break; }, |
| 1338 | IVRRecord::StreamProperties(num) => { |
| 1339 | let stream_no = cur_str_no + self.start_str; |
| 1340 | cur_str_no += 1; |
| 1341 | let mut parsed = false; |
| 1342 | let mut real_stream_no = 0; |
| 1343 | for _ in 0..num { |
| 1344 | let rec = IVRRecord::read(src)?; |
| 1345 | //println!(" strm property {}", rec); |
| 1346 | match rec { |
| 1347 | IVRRecord::IntValue(ref name, val) => { |
| 1348 | if name == b"StreamNumber\0" { |
| 1349 | real_stream_no = val; |
| 1350 | } |
| 1351 | }, |
| 1352 | IVRRecord::BinaryData(ref name, ref val) => { |
| 1353 | if name == b"OpaqueData\0" { |
| 1354 | validate!(!parsed); |
| 1355 | let is_mlti = RMDemuxCommon::parse_stream_info(str_data, strmgr, stream_no, val)?; |
| 1356 | if !is_mlti { |
| 1357 | str_data.str_ids.push(stream_no); |
| 1358 | } |
| 1359 | parsed = true; |
| 1360 | } |
| 1361 | }, |
| 1362 | IVRRecord::StringData(ref name, ref val) => { |
| 1363 | if (name == b"SeekType\0") && (val != b"None\0") { |
| 1364 | has_seek_table = true; |
| 1365 | } |
| 1366 | }, |
| 1367 | _ => { return Err(DemuxerError::InvalidData); } |
| 1368 | }; |
| 1369 | } |
| 1370 | if !parsed { |
| 1371 | str_data.streams.push(RMStreamType::Unknown); |
| 1372 | str_data.str_ids.push(stream_no); |
| 1373 | } |
| 1374 | self.remap_ids.push(real_stream_no); |
| 1375 | }, |
| 1376 | _ => {println!(" unexpected {}", rec); return Err(DemuxerError::InvalidData); } |
| 1377 | }; |
| 1378 | } |
| 1379 | println!(" now @ {:X}", src.tell()); |
| 1380 | let off0 = src.read_u32be()? as u64; |
| 1381 | let _off1 = src.read_u32be()?; |
| 1382 | let _off2 = src.read_u32be()?; |
| 1383 | validate!(off0 + self.start_pos == src.tell()); |
| 1384 | println!(" has seek tab: {}", has_seek_table); |
| 1385 | if has_seek_table { |
| 1386 | src.read_skip(4)?; |
| 1387 | let data_off = src.read_u32be()? as u64; |
| 1388 | println!(" new off {:X}", data_off); |
| 1389 | let pos = src.tell(); |
| 1390 | validate!(data_off + self.start_pos > pos); |
| 1391 | src.read_skip((data_off + self.start_pos - pos) as usize)?; |
| 1392 | let rec = IVRRecord::read(src)?; |
| 1393 | validate!(rec.is_data_start()); |
| 1394 | } else { |
| 1395 | let ntype = src.peek_byte()?; |
| 1396 | validate!((ntype == 2) || (ntype == 7)); // packet or data end, no start |
| 1397 | } |
| 1398 | |
| 1399 | self.cur_pos = src.tell(); |
| 1400 | |
| 1401 | Ok(()) |
| 1402 | } |
| 1403 | 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> { |
| 1404 | src.seek(SeekFrom::Start(self.cur_pos))?; |
| 1405 | loop { |
| 1406 | let rec = IVRRecord::read(src)?; |
| 1407 | match rec { |
| 1408 | IVRRecord::Packet { ts, str, flags, len, checksum: _ } => { |
| 1409 | let payload_size = len; |
| 1410 | let sr = self.remap_ids.iter().position(|x| *x == str); |
| 1411 | validate!(sr.is_some()); |
| 1412 | let str_no = self.start_str + (sr.unwrap() as u32); |
| 1413 | let pkt_grp = ((flags >> 8) & 0xFF) as u16; |
| 1414 | let stream_id = str_data.get_stream_id(str_no as u32, pkt_grp); |
| 1415 | let sr = str_data.find_stream(stream_id); |
| 1416 | if sr.is_none() { |
| 1417 | src.read_skip(payload_size)?; |
| 1418 | return Err(DemuxerError::InvalidData); |
| 1419 | } |
| 1420 | let str_id = sr.unwrap(); |
| 1421 | |
| 1422 | let streamres = strmgr.get_stream_by_id(stream_id); |
| 1423 | if streamres.is_none() { |
| 1424 | src.read_skip(payload_size)?; |
| 1425 | continue; |
| 1426 | } |
| 1427 | let stream = streamres.unwrap(); |
| 1428 | if strmgr.is_ignored_id(stream_id) { |
| 1429 | src.read_skip(payload_size)?; |
| 1430 | continue; |
| 1431 | } |
| 1432 | let keyframe = false; |
| 1433 | let ret = RMDemuxCommon::parse_packet_payload(src, &mut str_data.streams[str_id], stream, slice_buf, queued_pkts, keyframe, ts, payload_size); |
| 1434 | if let Err(DemuxerError::TryAgain) = ret { |
| 1435 | continue; |
| 1436 | } else { |
| 1437 | self.cur_pos = src.tell(); |
| 1438 | return ret; |
| 1439 | } |
| 1440 | }, |
| 1441 | IVRRecord::DataEnd => return Err(DemuxerError::EOF), |
| 1442 | _ => return Err(DemuxerError::InvalidData), |
| 1443 | } |
| 1444 | } |
| 1445 | } |
| 1446 | } |
| 1447 | |
| 1448 | struct RealIVRDemuxer<'a> { |
| 1449 | src: &'a mut ByteReader<'a>, |
| 1450 | recs: Vec<RecordDemuxer>, |
| 1451 | cur_rec: usize, |
| 1452 | queued_pkts: Vec<NAPacket>, |
| 1453 | slice_buf: Vec<u8>, |
| 1454 | str_data: CommonStreamData, |
| 1455 | } |
| 1456 | |
| 1457 | impl<'a> DemuxCore<'a> for RealIVRDemuxer<'a> { |
| 1458 | #[allow(unused_variables)] |
| 1459 | fn open(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<()> { |
| 1460 | let magic = self.src.peek_u32be()?; |
| 1461 | if magic == mktag!(b".REC") { |
| 1462 | let mut rec = RecordDemuxer::new(0, 0); |
| 1463 | rec.parse_header(&mut self.src, strmgr, &mut self.str_data)?; |
| 1464 | self.recs.push(rec); |
| 1465 | } else if magic == mktag!(b".R1M") { |
| 1466 | println!("R1M kind"); |
| 1467 | self.src.read_skip(4)?; // magic |
| 1468 | self.src.read_skip(3)?; // always 0, 1, 1 ? |
| 1469 | let _name = IVRRecord::read_string(&mut self.src)?; |
| 1470 | self.src.read_skip(1)?; // always 0? |
| 1471 | let len1 = self.src.read_u32be()? as u64; |
| 1472 | let off1 = self.src.read_u64be()?; |
| 1473 | let cpos = self.src.tell(); |
| 1474 | validate!(off1 == len1 + cpos - 8); |
| 1475 | self.src.read_skip((off1 - cpos) as usize)?; |
| 1476 | loop { |
| 1477 | let typ = self.src.read_byte()?; |
| 1478 | println!(" at {:X} type {:02X}", self.src.tell(), typ); |
| 1479 | match typ { |
| 1480 | 1 => { |
| 1481 | let len = self.src.read_u32be()?; |
| 1482 | self.src.read_skip(len as usize)?; |
| 1483 | }, |
| 1484 | 2 => { |
| 1485 | let len = self.src.read_u32be()? as u64; |
| 1486 | let pos = self.src.tell(); |
| 1487 | if len > 0x20 { |
| 1488 | let num_streams = self.str_data.streams.len() as u32; |
| 1489 | let mut rec = RecordDemuxer::new(pos + 12, num_streams); |
| 1490 | rec.parse_header(&mut self.src, strmgr, &mut self.str_data)?; |
| 1491 | self.recs.push(rec); |
| 1492 | } |
| 1493 | self.src.seek(SeekFrom::Start(pos + len))?; |
| 1494 | }, |
| 1495 | b'R' => { |
| 1496 | let mut buf: [u8; 2] = [0; 2]; |
| 1497 | self.src.peek_buf(&mut buf)?; |
| 1498 | if (buf[0] == b'J') && (buf[1] == b'M') { // RJMx markers at the end of file |
| 1499 | break; |
| 1500 | } else { |
| 1501 | return Err(DemuxerError::InvalidData); |
| 1502 | } |
| 1503 | }, |
| 1504 | _ => { return Err(DemuxerError::InvalidData); }, |
| 1505 | }; |
| 1506 | } |
| 1507 | } else { |
| 1508 | return Err(DemuxerError::InvalidData); |
| 1509 | } |
| 1510 | |
| 1511 | Ok(()) |
| 1512 | } |
| 1513 | |
| 1514 | fn get_frame(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<NAPacket> { |
| 1515 | if !self.queued_pkts.is_empty() { |
| 1516 | let pkt = self.queued_pkts.pop().unwrap(); |
| 1517 | return Ok(pkt); |
| 1518 | } |
| 1519 | loop { |
| 1520 | if self.cur_rec >= self.recs.len() { return Err(DemuxerError::EOF); } |
| 1521 | let res = self.recs[self.cur_rec].get_packet(&mut self.src, &mut self.str_data, strmgr, &mut self.queued_pkts, &mut self.slice_buf); |
| 1522 | if let Err(DemuxerError::EOF) = res { |
| 1523 | self.cur_rec += 1; |
| 1524 | } else { |
| 1525 | return res; |
| 1526 | } |
| 1527 | } |
| 1528 | } |
| 1529 | |
| 1530 | #[allow(unused_variables)] |
| 1531 | fn seek(&mut self, time: u64) -> DemuxerResult<()> { |
| 1532 | Err(NotImplemented) |
| 1533 | } |
| 1534 | } |
| 1535 | |
| 1536 | impl<'a> RealIVRDemuxer<'a> { |
| 1537 | fn new(io: &'a mut ByteReader<'a>) -> Self { |
| 1538 | RealIVRDemuxer { |
| 1539 | src: io, |
| 1540 | recs: Vec::new(), |
| 1541 | cur_rec: 0, |
| 1542 | queued_pkts: Vec::new(), |
| 1543 | slice_buf: Vec::new(), |
| 1544 | str_data: CommonStreamData::new(), |
| 1545 | } |
| 1546 | } |
| 1547 | } |
| 1548 | |
| 1549 | static RM_VIDEO_CODEC_REGISTER: &'static [(&[u8;4], &str)] = &[ |
| 1550 | (b"RV10", "realvideo1"), |
| 1551 | (b"RV20", "realvideo2"), |
| 1552 | (b"RVTR", "realvideo2"), |
| 1553 | (b"RV30", "realvideo3"), |
| 1554 | (b"RV40", "realvideo4"), |
| 1555 | (b"RV60", "realvideo6"), |
| 1556 | (b"CLV1", "clearvideo_rm"), |
| 1557 | ]; |
| 1558 | |
| 1559 | static RM_AUDIO_CODEC_REGISTER: &'static [(&[u8;4], &str)] = &[ |
| 1560 | (b"lpcJ", "ra14.4"), |
| 1561 | (b"28_8", "ra28.8"), |
| 1562 | (b"cook", "cook"), |
| 1563 | (b"dnet", "ac3"), |
| 1564 | (b"sipr", "sipro"), |
| 1565 | (b"atrc", "atrac3"), |
| 1566 | (b"LSD:", "ralf"), |
| 1567 | (b"raac", "aac"), |
| 1568 | (b"racp", "aac"), |
| 1569 | ]; |
| 1570 | |
| 1571 | pub struct RealMediaDemuxerCreator { } |
| 1572 | |
| 1573 | impl DemuxerCreator for RealMediaDemuxerCreator { |
| 1574 | fn new_demuxer<'a>(&self, br: &'a mut ByteReader<'a>) -> Box<DemuxCore<'a> + 'a> { |
| 1575 | Box::new(RealMediaDemuxer::new(br)) |
| 1576 | } |
| 1577 | fn get_name(&self) -> &'static str { "realmedia" } |
| 1578 | } |
| 1579 | |
| 1580 | pub struct RealAudioDemuxerCreator { } |
| 1581 | |
| 1582 | impl DemuxerCreator for RealAudioDemuxerCreator { |
| 1583 | fn new_demuxer<'a>(&self, br: &'a mut ByteReader<'a>) -> Box<DemuxCore<'a> + 'a> { |
| 1584 | Box::new(RealAudioDemuxer::new(br)) |
| 1585 | } |
| 1586 | fn get_name(&self) -> &'static str { "realaudio" } |
| 1587 | } |
| 1588 | |
| 1589 | pub struct RealIVRDemuxerCreator { } |
| 1590 | |
| 1591 | impl DemuxerCreator for RealIVRDemuxerCreator { |
| 1592 | fn new_demuxer<'a>(&self, br: &'a mut ByteReader<'a>) -> Box<DemuxCore<'a> + 'a> { |
| 1593 | Box::new(RealIVRDemuxer::new(br)) |
| 1594 | } |
| 1595 | fn get_name(&self) -> &'static str { "real_ivr" } |
| 1596 | } |
| 1597 | |
| 1598 | #[cfg(test)] |
| 1599 | mod test { |
| 1600 | use super::*; |
| 1601 | use std::fs::File; |
| 1602 | |
| 1603 | #[test] |
| 1604 | fn test_rm_demux() { |
| 1605 | let mut file = |
| 1606 | File::open("assets/RV/rv10_dnet_640x352_realvideo_encoder_4.0.rm").unwrap(); |
| 1607 | // File::open("assets/RV/rv20_cook_640x352_realproducer_plus_8.51.rm").unwrap(); |
| 1608 | // File::open("assets/RV/rv20_svt_atrc_640x352_realproducer_plus_8.51.rm").unwrap(); |
| 1609 | // File::open("assets/RV/rv30_atrc_384x208_realproducer_plus_8.51.rm").unwrap(); |
| 1610 | // File::open("assets/RV/rv30_chroma_drift.rm").unwrap(); |
| 1611 | // File::open("assets/RV/rv30_weighted_mc.rm").unwrap(); |
| 1612 | // File::open("assets/RV/rv40_weighted_mc.rmvb").unwrap(); |
| 1613 | // File::open("assets/RV/rv40_weighted_mc_2.rmvb").unwrap(); |
| 1614 | // File::open("assets/RV/clv1_sipr_384x208_realvideo_encoder_4.0.rm").unwrap(); |
| 1615 | // File::open("assets/RV/luckynight.rmvb").unwrap(); |
| 1616 | // File::open("assets/RV/rv40_ralf.rmvb").unwrap(); |
| 1617 | let mut fr = FileReader::new_read(&mut file); |
| 1618 | let mut br = ByteReader::new(&mut fr); |
| 1619 | let mut dmx = RealMediaDemuxer::new(&mut br); |
| 1620 | let mut sm = StreamManager::new(); |
| 1621 | dmx.open(&mut sm).unwrap(); |
| 1622 | |
| 1623 | loop { |
| 1624 | let pktres = dmx.get_frame(&mut sm); |
| 1625 | if let Err(e) = pktres { |
| 1626 | if e == DemuxerError::EOF { break; } |
| 1627 | panic!("error"); |
| 1628 | } |
| 1629 | let pkt = pktres.unwrap(); |
| 1630 | println!("Got {}", pkt); |
| 1631 | } |
| 1632 | //panic!("the end"); |
| 1633 | } |
| 1634 | #[test] |
| 1635 | fn test_ra_demux() { |
| 1636 | let mut file = |
| 1637 | // File::open("assets/RV/welcome288.ra").unwrap(); |
| 1638 | File::open("assets/RV/diemusik.ra").unwrap(); |
| 1639 | let mut fr = FileReader::new_read(&mut file); |
| 1640 | let mut br = ByteReader::new(&mut fr); |
| 1641 | let mut dmx = RealAudioDemuxer::new(&mut br); |
| 1642 | let mut sm = StreamManager::new(); |
| 1643 | dmx.open(&mut sm).unwrap(); |
| 1644 | |
| 1645 | loop { |
| 1646 | let pktres = dmx.get_frame(&mut sm); |
| 1647 | if let Err(e) = pktres { |
| 1648 | if e == DemuxerError::EOF { break; } |
| 1649 | panic!("error"); |
| 1650 | } |
| 1651 | let pkt = pktres.unwrap(); |
| 1652 | println!("Got {}", pkt); |
| 1653 | } |
| 1654 | } |
| 1655 | #[test] |
| 1656 | fn test_ivr_demux() { |
| 1657 | let mut file = |
| 1658 | File::open("assets/RV/Opener_rm_hi.ivr").unwrap(); |
| 1659 | // File::open("assets/RV/SherwinWilliamsCommercial.ivr").unwrap(); |
| 1660 | let mut fr = FileReader::new_read(&mut file); |
| 1661 | let mut br = ByteReader::new(&mut fr); |
| 1662 | let mut dmx = RealIVRDemuxer::new(&mut br); |
| 1663 | let mut sm = StreamManager::new(); |
| 1664 | dmx.open(&mut sm).unwrap(); |
| 1665 | |
| 1666 | loop { |
| 1667 | let pktres = dmx.get_frame(&mut sm); |
| 1668 | if let Err(e) = pktres { |
| 1669 | if e == DemuxerError::EOF { break; } |
| 1670 | panic!("error"); |
| 1671 | } |
| 1672 | let pkt = pktres.unwrap(); |
| 1673 | println!("Got {}", pkt); |
| 1674 | } |
| 1675 | } |
| 1676 | } |