| 1 | use nihav_core::demuxers::*; |
| 2 | use nihav_registry::register::*; |
| 3 | use nihav_core::compr::deflate::*; |
| 4 | |
| 5 | macro_rules! mktag { |
| 6 | ($a:expr, $b:expr, $c:expr, $d:expr) => ({ |
| 7 | (($a as u32) << 24) | (($b as u32) << 16) | (($c as u32) << 8) | ($d as u32) |
| 8 | }); |
| 9 | ($arr:expr) => ({ |
| 10 | (($arr[0] as u32) << 24) | (($arr[1] as u32) << 16) | (($arr[2] as u32) << 8) | ($arr[3] as u32) |
| 11 | }); |
| 12 | } |
| 13 | |
| 14 | trait Skip64 { |
| 15 | fn skip64(&mut self, size: u64) -> ByteIOResult<()>; |
| 16 | } |
| 17 | |
| 18 | impl<'a> Skip64 for ByteReader<'a> { |
| 19 | fn skip64(&mut self, size: u64) -> ByteIOResult<()> { |
| 20 | if (size as usize as u64) != size { |
| 21 | self.seek(SeekFrom::Current(size as i64))?; |
| 22 | } else { |
| 23 | self.read_skip(size as usize)?; |
| 24 | } |
| 25 | Ok(()) |
| 26 | } |
| 27 | } |
| 28 | |
| 29 | fn read_chunk_header(br: &mut ByteReader) -> DemuxerResult<(u32, u64)> { |
| 30 | let size = br.read_u32be()?; |
| 31 | let ctype = br.read_u32be()?; |
| 32 | if size == 0 { |
| 33 | Ok((ctype, br.left() as u64)) |
| 34 | } else if size == 1 { |
| 35 | let size64 = br.read_u64be()?; |
| 36 | validate!(size64 >= 16); |
| 37 | Ok((ctype, size64 - 16)) |
| 38 | } else { |
| 39 | validate!(size >= 8); |
| 40 | Ok((ctype, (size as u64) - 8)) |
| 41 | } |
| 42 | } |
| 43 | |
| 44 | fn read_palette(br: &mut ByteReader, size: u64, pal: &mut [u8; 1024]) -> DemuxerResult<u64> { |
| 45 | let _seed = br.read_u32be()?; |
| 46 | let _flags = br.read_u16be()?; |
| 47 | let palsize = (br.read_u16be()? as usize) + 1; |
| 48 | validate!(palsize <= 256); |
| 49 | validate!((palsize as u64) * 8 + 8 == size); |
| 50 | for i in 0..palsize { |
| 51 | let a = br.read_u16be()?; |
| 52 | let r = br.read_u16be()?; |
| 53 | let g = br.read_u16be()?; |
| 54 | let b = br.read_u16be()?; |
| 55 | pal[i * 4] = (r >> 8) as u8; |
| 56 | pal[i * 4 + 1] = (g >> 8) as u8; |
| 57 | pal[i * 4 + 2] = (b >> 8) as u8; |
| 58 | pal[i * 4 + 3] = (a >> 8) as u8; |
| 59 | } |
| 60 | Ok(size) |
| 61 | } |
| 62 | |
| 63 | struct RootChunkHandler { |
| 64 | ctype: u32, |
| 65 | parse: fn(dmx: &mut MOVDemuxer, strmgr: &mut StreamManager, size: u64) -> DemuxerResult<u64>, |
| 66 | } |
| 67 | |
| 68 | struct TrackChunkHandler { |
| 69 | ctype: u32, |
| 70 | parse: fn(track: &mut Track, br: &mut ByteReader, size: u64) -> DemuxerResult<u64>, |
| 71 | } |
| 72 | |
| 73 | const IGNORED_CHUNKS: &[u32] = &[ |
| 74 | mktag!(b"free"), mktag!(b"skip"), mktag!(b"udta"), mktag!(b"wide") |
| 75 | ]; |
| 76 | |
| 77 | const ROOT_CHUNK_HANDLERS: &[RootChunkHandler] = &[ |
| 78 | RootChunkHandler { ctype: mktag!(b"ftyp"), parse: read_ftyp }, |
| 79 | RootChunkHandler { ctype: mktag!(b"mdat"), parse: read_mdat }, |
| 80 | RootChunkHandler { ctype: mktag!(b"moov"), parse: read_moov }, |
| 81 | RootChunkHandler { ctype: mktag!(b"moof"), parse: read_moof }, |
| 82 | RootChunkHandler { ctype: mktag!(b"sidx"), parse: read_sidx }, |
| 83 | ]; |
| 84 | |
| 85 | fn print_cname(ctype: u32, size: u64, off: u64, depth: u8) { |
| 86 | for _ in 0..depth { print!(" "); } |
| 87 | let tag = [(ctype >> 24) as u8, (ctype >> 16) as u8, (ctype >> 8) as u8, ctype as u8]; |
| 88 | let mut printable = true; |
| 89 | for &ch in tag.iter() { |
| 90 | if ch < 0x20 || ch > 0x7F { |
| 91 | printable = false; |
| 92 | break; |
| 93 | } |
| 94 | } |
| 95 | if printable { |
| 96 | print!(" '{}{}{}{}'", tag[0] as char, tag[1] as char, tag[2] as char, tag[3] as char); |
| 97 | } else { |
| 98 | print!(" {:08X}", ctype); |
| 99 | } |
| 100 | println!(" size {} @ {:X}", size, off); |
| 101 | } |
| 102 | |
| 103 | macro_rules! read_chunk_list { |
| 104 | (root; $name: expr, $fname: ident, $handlers: ident) => { |
| 105 | fn $fname(&mut self, strmgr: &mut StreamManager, size: u64) -> DemuxerResult<()> { |
| 106 | self.depth += 1; |
| 107 | validate!(self.depth < 32); |
| 108 | let list_end = self.src.tell() + size; |
| 109 | while self.src.tell() < list_end { |
| 110 | let ret = read_chunk_header(&mut self.src); |
| 111 | if ret.is_err() { break; } |
| 112 | let (ctype, size) = ret.unwrap(); |
| 113 | if self.print_chunks { |
| 114 | print_cname(ctype, size, self.src.tell(), self.depth as u8); |
| 115 | } |
| 116 | if self.src.tell() + size > list_end { |
| 117 | break; |
| 118 | } |
| 119 | if IGNORED_CHUNKS.contains(&ctype) { |
| 120 | self.src.skip64(size)?; |
| 121 | continue; |
| 122 | } |
| 123 | let handler = $handlers.iter().find(|x| x.ctype == ctype); |
| 124 | let read_size; |
| 125 | if let Some(ref handler) = handler { |
| 126 | read_size = (handler.parse)(self, strmgr, size)?; |
| 127 | } else { |
| 128 | println!("skipping unknown chunk {:08X} size {}", ctype, size); |
| 129 | read_size = 0; |
| 130 | } |
| 131 | validate!(read_size <= size); |
| 132 | self.src.skip64(size - read_size)?; |
| 133 | } |
| 134 | self.depth -= 1; |
| 135 | validate!(self.src.tell() == list_end); |
| 136 | Ok(()) |
| 137 | } |
| 138 | }; |
| 139 | (track; $name: expr, $fname: ident, $handlers: ident) => { |
| 140 | fn $fname(&mut self, br: &mut ByteReader, size: u64) -> DemuxerResult<()> { |
| 141 | self.depth += 1; |
| 142 | validate!(self.depth < 32); |
| 143 | let list_end = br.tell() + size; |
| 144 | while br.tell() < list_end { |
| 145 | let ret = read_chunk_header(br); |
| 146 | if ret.is_err() { break; } |
| 147 | let (ctype, size) = ret.unwrap(); |
| 148 | if self.print_chunks { |
| 149 | print_cname(ctype, size, br.tell(), self.depth + 1); |
| 150 | } |
| 151 | if br.tell() + size > list_end { |
| 152 | break; |
| 153 | } |
| 154 | if IGNORED_CHUNKS.contains(&ctype) { |
| 155 | br.skip64(size)?; |
| 156 | continue; |
| 157 | } |
| 158 | let handler = $handlers.iter().find(|x| x.ctype == ctype); |
| 159 | let read_size; |
| 160 | if let Some(ref handler) = handler { |
| 161 | read_size = (handler.parse)(self, br, size)?; |
| 162 | } else { |
| 163 | read_size = 0; |
| 164 | } |
| 165 | validate!(read_size <= size); |
| 166 | br.skip64(size - read_size)?; |
| 167 | } |
| 168 | self.depth -= 1; |
| 169 | validate!(br.tell() == list_end); |
| 170 | Ok(()) |
| 171 | } |
| 172 | } |
| 173 | } |
| 174 | |
| 175 | fn skip_chunk(_track: &mut Track, br: &mut ByteReader, size: u64) -> DemuxerResult<u64> { |
| 176 | br.skip64(size)?; |
| 177 | Ok(size) |
| 178 | } |
| 179 | |
| 180 | fn read_ftyp(dmx: &mut MOVDemuxer, _strmgr: &mut StreamManager, size: u64) -> DemuxerResult<u64> { |
| 181 | dmx.src.skip64(size)?; |
| 182 | Ok(size) |
| 183 | } |
| 184 | |
| 185 | fn read_mdat(dmx: &mut MOVDemuxer, _strmgr: &mut StreamManager, size: u64) -> DemuxerResult<u64> { |
| 186 | dmx.mdat_pos = dmx.src.tell(); |
| 187 | dmx.mdat_size = size; |
| 188 | dmx.src.skip64(size)?; |
| 189 | Ok(size) |
| 190 | } |
| 191 | |
| 192 | fn read_sidx(_dmx: &mut MOVDemuxer, _strmgr: &mut StreamManager, _size: u64) -> DemuxerResult<u64> { |
| 193 | Ok(0) |
| 194 | } |
| 195 | |
| 196 | fn read_moov(dmx: &mut MOVDemuxer, strmgr: &mut StreamManager, size: u64) -> DemuxerResult<u64> { |
| 197 | dmx.read_moov(strmgr, size)?; |
| 198 | Ok(size) |
| 199 | } |
| 200 | |
| 201 | const MOOV_CHUNK_HANDLERS: &[RootChunkHandler] = &[ |
| 202 | RootChunkHandler { ctype: mktag!(b"mvhd"), parse: read_mvhd }, |
| 203 | RootChunkHandler { ctype: mktag!(b"cmov"), parse: read_cmov }, |
| 204 | RootChunkHandler { ctype: mktag!(b"ctab"), parse: read_ctab }, |
| 205 | RootChunkHandler { ctype: mktag!(b"trak"), parse: read_trak }, |
| 206 | RootChunkHandler { ctype: mktag!(b"meta"), parse: read_meta }, |
| 207 | RootChunkHandler { ctype: mktag!(b"mvex"), parse: read_mvex }, |
| 208 | RootChunkHandler { ctype: mktag!(b"iods"), parse: skip_chunk_mov }, |
| 209 | ]; |
| 210 | |
| 211 | fn read_mvhd(dmx: &mut MOVDemuxer, _strmgr: &mut StreamManager, size: u64) -> DemuxerResult<u64> { |
| 212 | const KNOWN_MVHD_SIZE: u64 = 100; |
| 213 | let br = &mut dmx.src; |
| 214 | validate!(size >= KNOWN_MVHD_SIZE); |
| 215 | let version = br.read_byte()?; |
| 216 | validate!(version == 0); |
| 217 | let _flags = br.read_u24be()?; |
| 218 | let _ctime = br.read_u32be()?; |
| 219 | let _mtime = br.read_u32be()?; |
| 220 | let tscale = br.read_u32be()?; |
| 221 | let duration = br.read_u32be()?; |
| 222 | let _pref_rate = br.read_u32be()?; |
| 223 | let _pref_volume = br.read_u16be()?; |
| 224 | br.read_skip(10)?; |
| 225 | br.read_skip(36)?; // matrix |
| 226 | let _preview_time = br.read_u32be()?; |
| 227 | let _preview_duration = br.read_u32be()?; |
| 228 | let _poster_time = br.read_u32be()?; |
| 229 | let _sel_time = br.read_u32be()?; |
| 230 | let _sel_duration = br.read_u32be()?; |
| 231 | let _cur_time = br.read_u32be()?; |
| 232 | let _next_track_id = br.read_u32be()?; |
| 233 | dmx.duration = duration; |
| 234 | dmx.tb_den = tscale; |
| 235 | |
| 236 | Ok(KNOWN_MVHD_SIZE) |
| 237 | } |
| 238 | |
| 239 | fn read_cmov(dmx: &mut MOVDemuxer, strmgr: &mut StreamManager, size: u64) -> DemuxerResult<u64> { |
| 240 | let br = &mut dmx.src; |
| 241 | validate!(size > 24); |
| 242 | let dcom_size = br.read_u32be()?; |
| 243 | let dcom_tag = br.read_tag()?; |
| 244 | let compr_type = br.read_tag()?; |
| 245 | validate!(&dcom_tag == b"dcom" && dcom_size == 12); |
| 246 | if &compr_type != b"zlib" { |
| 247 | return Err(DemuxerError::NotImplemented); |
| 248 | } |
| 249 | let cmvd_size = u64::from(br.read_u32be()?); |
| 250 | let cmvd_tag = br.read_tag()?; |
| 251 | validate!(&cmvd_tag == b"cmvd" && cmvd_size > 14 && cmvd_size == size - 12); |
| 252 | let comp_size = (cmvd_size - 12) as usize; |
| 253 | let uncomp_size = br.read_u32be()? as usize; |
| 254 | validate!(uncomp_size > 8); |
| 255 | let mut sbuf = vec![0; comp_size]; |
| 256 | let mut dbuf = vec![0; uncomp_size]; |
| 257 | br.read_buf(sbuf.as_mut_slice())?; |
| 258 | let ret = Inflate::uncompress(sbuf.as_slice(), dbuf.as_mut_slice()); |
| 259 | if ret.is_err() { |
| 260 | return Err(DemuxerError::InvalidData); |
| 261 | } |
| 262 | let len = ret.unwrap(); |
| 263 | validate!(len == uncomp_size); |
| 264 | let mut mr = MemoryReader::new_read(dbuf.as_slice()); |
| 265 | let mut br = ByteReader::new(&mut mr); |
| 266 | let (ctype, csize) = read_chunk_header(&mut br)?; |
| 267 | validate!(ctype == mktag!(b"moov")); |
| 268 | let mut ddmx = MOVDemuxer::new(&mut br); |
| 269 | ddmx.print_chunks = dmx.print_chunks; |
| 270 | ddmx.read_moov(strmgr, csize)?; |
| 271 | std::mem::swap(&mut dmx.tracks, &mut ddmx.tracks); |
| 272 | dmx.duration = ddmx.duration; |
| 273 | dmx.tb_den = ddmx.tb_den; |
| 274 | std::mem::swap(&mut dmx.pal, &mut ddmx.pal); |
| 275 | |
| 276 | Ok(size) |
| 277 | } |
| 278 | |
| 279 | fn read_ctab(dmx: &mut MOVDemuxer, _strmgr: &mut StreamManager, size: u64) -> DemuxerResult<u64> { |
| 280 | let mut pal = [0; 1024]; |
| 281 | let size = read_palette(&mut dmx.src, size, &mut pal)?; |
| 282 | dmx.pal = Some(Arc::new(pal)); |
| 283 | Ok(size) |
| 284 | } |
| 285 | |
| 286 | fn read_meta(dmx: &mut MOVDemuxer, _strmgr: &mut StreamManager, size: u64) -> DemuxerResult<u64> { |
| 287 | dmx.src.skip64(size)?; |
| 288 | Ok(size) |
| 289 | } |
| 290 | |
| 291 | fn read_mvex(_dmx: &mut MOVDemuxer, _strmgr: &mut StreamManager, _size: u64) -> DemuxerResult<u64> { |
| 292 | Ok(0) |
| 293 | } |
| 294 | |
| 295 | fn skip_chunk_mov(_dmx: &mut MOVDemuxer, _strmgr: &mut StreamManager, _size: u64) -> DemuxerResult<u64> { |
| 296 | Ok(0) |
| 297 | } |
| 298 | |
| 299 | fn read_trak(dmx: &mut MOVDemuxer, strmgr: &mut StreamManager, size: u64) -> DemuxerResult<u64> { |
| 300 | let mut track = Track::new(dmx.cur_track as u32, dmx.tb_den); |
| 301 | track.print_chunks = dmx.print_chunks; |
| 302 | track.read_trak(&mut dmx.src, size)?; |
| 303 | validate!(track.tkhd_found && track.stsd_found); |
| 304 | validate!(strmgr.get_stream_by_id(track.track_id).is_none()); |
| 305 | dmx.cur_track += 1; |
| 306 | dmx.tracks.push(track); |
| 307 | Ok(size) |
| 308 | } |
| 309 | |
| 310 | fn read_moof(dmx: &mut MOVDemuxer, strmgr: &mut StreamManager, size: u64) -> DemuxerResult<u64> { |
| 311 | dmx.moof_off = dmx.src.tell() - 8; |
| 312 | dmx.read_moof(strmgr, size)?; |
| 313 | Ok(size) |
| 314 | } |
| 315 | |
| 316 | const MOOF_CHUNK_HANDLERS: &[RootChunkHandler] = &[ |
| 317 | RootChunkHandler { ctype: mktag!(b"mfhd"), parse: read_mfhd }, |
| 318 | RootChunkHandler { ctype: mktag!(b"traf"), parse: read_traf }, |
| 319 | RootChunkHandler { ctype: mktag!(b"meta"), parse: read_meta }, |
| 320 | ]; |
| 321 | |
| 322 | fn read_mfhd(dmx: &mut MOVDemuxer, _strmgr: &mut StreamManager, size: u64) -> DemuxerResult<u64> { |
| 323 | const KNOWN_MFHD_SIZE: u64 = 8; |
| 324 | validate!(size >= KNOWN_MFHD_SIZE); |
| 325 | let version = dmx.src.read_byte()?; |
| 326 | validate!(version == 0); |
| 327 | let flags = dmx.src.read_u24be()?; |
| 328 | validate!(flags == 0); |
| 329 | let _seq_no = dmx.src.read_u32be()?; |
| 330 | |
| 331 | Ok(KNOWN_MFHD_SIZE) |
| 332 | } |
| 333 | |
| 334 | fn read_traf(dmx: &mut MOVDemuxer, _strmgr: &mut StreamManager, size: u64) -> DemuxerResult<u64> { |
| 335 | let mut buf = [0u8; 16]; |
| 336 | dmx.src.peek_buf(&mut buf)?; |
| 337 | validate!(&buf[4..8] == b"tfhd"); |
| 338 | let track_id = read_u32be(&buf[12..16])?; |
| 339 | let mut track = None; |
| 340 | for trk in dmx.tracks.iter_mut() { |
| 341 | if trk.track_id == track_id { |
| 342 | track = Some(trk); |
| 343 | break; |
| 344 | } |
| 345 | } |
| 346 | if let Some(track) = track { |
| 347 | track.moof_off = dmx.moof_off; |
| 348 | track.read_traf(&mut dmx.src, size)?; |
| 349 | Ok(size) |
| 350 | } else { |
| 351 | Ok(0) |
| 352 | } |
| 353 | } |
| 354 | |
| 355 | const TRAK_CHUNK_HANDLERS: &[TrackChunkHandler] = &[ |
| 356 | TrackChunkHandler { ctype: mktag!(b"clip"), parse: skip_chunk }, |
| 357 | TrackChunkHandler { ctype: mktag!(b"matt"), parse: skip_chunk }, |
| 358 | TrackChunkHandler { ctype: mktag!(b"edts"), parse: skip_chunk }, |
| 359 | TrackChunkHandler { ctype: mktag!(b"tref"), parse: skip_chunk }, |
| 360 | TrackChunkHandler { ctype: mktag!(b"load"), parse: skip_chunk }, |
| 361 | TrackChunkHandler { ctype: mktag!(b"imap"), parse: skip_chunk }, |
| 362 | TrackChunkHandler { ctype: mktag!(b"tkhd"), parse: read_tkhd }, |
| 363 | TrackChunkHandler { ctype: mktag!(b"mdia"), parse: read_mdia }, |
| 364 | ]; |
| 365 | |
| 366 | fn read_tkhd(track: &mut Track, br: &mut ByteReader, size: u64) -> DemuxerResult<u64> { |
| 367 | const KNOWN_TKHD_SIZE: u64 = 84; |
| 368 | validate!(size >= KNOWN_TKHD_SIZE); |
| 369 | let version = br.read_byte()?; |
| 370 | validate!(version == 0); |
| 371 | let _flags = br.read_u24be()?; |
| 372 | let _ctime = br.read_u32be()?; |
| 373 | let _mtime = br.read_u32be()?; |
| 374 | let track_id = br.read_u32be()?; |
| 375 | br.read_skip(4)?; |
| 376 | let duration = br.read_u32be()?; |
| 377 | br.read_skip(8)?; |
| 378 | let _layer = br.read_u16be()?; |
| 379 | let _alt_group = br.read_u16be()?; |
| 380 | let _volume = br.read_u16be()?; |
| 381 | br.read_skip(2)?; |
| 382 | br.read_skip(36)?; // matrix |
| 383 | let width = br.read_u32be()? as usize; |
| 384 | let height = br.read_u32be()? as usize; |
| 385 | track.width = width >> 16; |
| 386 | track.height = height >> 16; |
| 387 | track.track_id = track_id; |
| 388 | track.duration = duration; |
| 389 | |
| 390 | track.tkhd_found = true; |
| 391 | Ok(KNOWN_TKHD_SIZE) |
| 392 | } |
| 393 | |
| 394 | fn read_mdia(track: &mut Track, br: &mut ByteReader, size: u64) -> DemuxerResult<u64> { |
| 395 | track.stream_type = StreamType::None; |
| 396 | track.read_mdia(br, size)?; |
| 397 | Ok(size) |
| 398 | } |
| 399 | |
| 400 | const MDIA_CHUNK_HANDLERS: &[TrackChunkHandler] = &[ |
| 401 | TrackChunkHandler { ctype: mktag!(b"mdhd"), parse: read_mdhd }, |
| 402 | TrackChunkHandler { ctype: mktag!(b"hdlr"), parse: read_hdlr }, |
| 403 | TrackChunkHandler { ctype: mktag!(b"minf"), parse: read_minf }, |
| 404 | ]; |
| 405 | |
| 406 | fn read_mdhd(track: &mut Track, br: &mut ByteReader, size: u64) -> DemuxerResult<u64> { |
| 407 | const KNOWN_MDHD_SIZE: u64 = 24; |
| 408 | validate!(size >= KNOWN_MDHD_SIZE); |
| 409 | let version = br.read_byte()?; |
| 410 | validate!(version == 0); |
| 411 | let flags = br.read_u24be()?; |
| 412 | validate!(flags == 0); |
| 413 | let _ctime = br.read_u32be()?; |
| 414 | let _mtime = br.read_u32be()?; |
| 415 | track.tb_den = br.read_u32be()?; |
| 416 | validate!(track.tb_den != 0); |
| 417 | track.duration = br.read_u32be()?; |
| 418 | let _language = br.read_u16be()?; |
| 419 | let _quality = br.read_u16be()?; |
| 420 | |
| 421 | Ok(KNOWN_MDHD_SIZE) |
| 422 | } |
| 423 | |
| 424 | fn read_hdlr(track: &mut Track, br: &mut ByteReader, size: u64) -> DemuxerResult<u64> { |
| 425 | const KNOWN_HDLR_SIZE: u64 = 24; |
| 426 | validate!(size >= KNOWN_HDLR_SIZE); |
| 427 | let version = br.read_byte()?; |
| 428 | validate!(version == 0); |
| 429 | let flags = br.read_u24be()?; |
| 430 | validate!(flags == 0); |
| 431 | let comp_type = br.read_u32be()?; |
| 432 | let comp_subtype = br.read_u32be()?; |
| 433 | let _comp_manufacturer = br.read_u32be()?; |
| 434 | let _comp_flags = br.read_u32be()?; |
| 435 | let _comp_flags_mask = br.read_u32be()?; |
| 436 | |
| 437 | if comp_type == mktag!(b"mhlr") || comp_type == 0 { |
| 438 | if comp_subtype == mktag!(b"vide") { |
| 439 | track.stream_type = StreamType::Video; |
| 440 | } else if comp_subtype == mktag!(b"soun") { |
| 441 | track.stream_type = StreamType::Audio; |
| 442 | } else { |
| 443 | track.stream_type = StreamType::Data; |
| 444 | } |
| 445 | } else if comp_type == mktag!(b"dhlr") { |
| 446 | track.stream_type = StreamType::Data; |
| 447 | } else { |
| 448 | println!("Unknown stream type"); |
| 449 | track.stream_type = StreamType::Data; |
| 450 | } |
| 451 | |
| 452 | Ok(KNOWN_HDLR_SIZE) |
| 453 | } |
| 454 | |
| 455 | fn read_minf(track: &mut Track, br: &mut ByteReader, size: u64) -> DemuxerResult<u64> { |
| 456 | track.read_minf(br, size)?; |
| 457 | Ok(size) |
| 458 | } |
| 459 | |
| 460 | const MINF_CHUNK_HANDLERS: &[TrackChunkHandler] = &[ |
| 461 | TrackChunkHandler { ctype: mktag!(b"hdlr"), parse: skip_chunk }, |
| 462 | TrackChunkHandler { ctype: mktag!(b"dinf"), parse: skip_chunk }, |
| 463 | TrackChunkHandler { ctype: mktag!(b"vmhd"), parse: read_vmhd }, |
| 464 | TrackChunkHandler { ctype: mktag!(b"smhd"), parse: read_smhd }, |
| 465 | TrackChunkHandler { ctype: mktag!(b"gmhd"), parse: read_gmhd }, |
| 466 | TrackChunkHandler { ctype: mktag!(b"gmin"), parse: read_gmin }, |
| 467 | TrackChunkHandler { ctype: mktag!(b"stbl"), parse: read_stbl }, |
| 468 | ]; |
| 469 | |
| 470 | fn read_vmhd(track: &mut Track, br: &mut ByteReader, size: u64) -> DemuxerResult<u64> { |
| 471 | const KNOWN_VMHD_SIZE: u64 = 12; |
| 472 | validate!(track.stream_type == StreamType::Video); |
| 473 | validate!(size >= KNOWN_VMHD_SIZE); |
| 474 | let version = br.read_byte()?; |
| 475 | validate!(version == 0); |
| 476 | let _flags = br.read_u24be()?; |
| 477 | br.read_skip(2)?; // graphics mode |
| 478 | br.read_skip(6)?; // opcolor |
| 479 | Ok(KNOWN_VMHD_SIZE) |
| 480 | } |
| 481 | |
| 482 | fn read_smhd(track: &mut Track, br: &mut ByteReader, size: u64) -> DemuxerResult<u64> { |
| 483 | const KNOWN_SMHD_SIZE: u64 = 8; |
| 484 | validate!(track.stream_type == StreamType::Audio); |
| 485 | validate!(size >= KNOWN_SMHD_SIZE); |
| 486 | let version = br.read_byte()?; |
| 487 | validate!(version == 0); |
| 488 | let _flags = br.read_u24be()?; |
| 489 | br.read_skip(2)?; // balance |
| 490 | br.read_skip(2)?; |
| 491 | Ok(KNOWN_SMHD_SIZE) |
| 492 | } |
| 493 | |
| 494 | fn read_gmhd(track: &mut Track, _br: &mut ByteReader, _size: u64) -> DemuxerResult<u64> { |
| 495 | validate!(track.stream_type == StreamType::Data); |
| 496 | Ok(0) |
| 497 | } |
| 498 | |
| 499 | fn read_gmin(track: &mut Track, br: &mut ByteReader, size: u64) -> DemuxerResult<u64> { |
| 500 | validate!(track.stream_type == StreamType::Data); |
| 501 | const KNOWN_GMIN_SIZE: u64 = 16; |
| 502 | validate!(size >= KNOWN_GMIN_SIZE); |
| 503 | let version = br.read_byte()?; |
| 504 | validate!(version == 0); |
| 505 | let _flags = br.read_u24be()?; |
| 506 | br.read_skip(2)?; // graphics mode |
| 507 | br.read_skip(6)?; // opcolor |
| 508 | br.read_skip(2)?; // balance |
| 509 | br.read_skip(2)?; |
| 510 | Ok(KNOWN_GMIN_SIZE) |
| 511 | } |
| 512 | |
| 513 | fn read_stbl(track: &mut Track, br: &mut ByteReader, size: u64) -> DemuxerResult<u64> { |
| 514 | track.read_stbl(br, size)?; |
| 515 | Ok(size) |
| 516 | } |
| 517 | |
| 518 | const STBL_CHUNK_HANDLERS: &[TrackChunkHandler] = &[ |
| 519 | TrackChunkHandler { ctype: mktag!(b"stsd"), parse: read_stsd }, |
| 520 | TrackChunkHandler { ctype: mktag!(b"stts"), parse: read_stts }, |
| 521 | TrackChunkHandler { ctype: mktag!(b"stss"), parse: read_stss }, |
| 522 | TrackChunkHandler { ctype: mktag!(b"stsc"), parse: read_stsc }, |
| 523 | TrackChunkHandler { ctype: mktag!(b"stsz"), parse: read_stsz }, |
| 524 | TrackChunkHandler { ctype: mktag!(b"stco"), parse: read_stco }, |
| 525 | TrackChunkHandler { ctype: mktag!(b"stsh"), parse: skip_chunk }, |
| 526 | TrackChunkHandler { ctype: mktag!(b"ctts"), parse: read_ctts }, |
| 527 | ]; |
| 528 | |
| 529 | fn parse_audio_edata(br: &mut ByteReader, start_pos: u64, size: u64) -> DemuxerResult<Option<Vec<u8>>> { |
| 530 | let read_part = br.tell() - start_pos; |
| 531 | if read_part + 8 < size { |
| 532 | let mut buf = [0; 8]; |
| 533 | br.peek_buf(&mut buf)?; |
| 534 | if &buf[4..8] != b"wave" { |
| 535 | let mut buf = vec![0; (size - read_part) as usize]; |
| 536 | br.read_buf(&mut buf)?; |
| 537 | return Ok(Some(buf)); |
| 538 | } |
| 539 | |
| 540 | let csize = br.read_u32be()? as u64; |
| 541 | let ctag = br.read_u32be()?; |
| 542 | validate!(read_part + csize <= size); |
| 543 | validate!(ctag == mktag!(b"wave")); |
| 544 | if csize == 8 { |
| 545 | return Ok(None); |
| 546 | } |
| 547 | let mut buf = [0; 8]; |
| 548 | br.peek_buf(&mut buf)?; |
| 549 | if &buf[4..8] == b"frma" { |
| 550 | br.read_skip(12)?; |
| 551 | if csize > 20 { |
| 552 | let mut buf = vec![0; (csize - 20) as usize]; |
| 553 | br.read_buf(&mut buf)?; |
| 554 | Ok(Some(buf)) |
| 555 | } else { |
| 556 | Ok(None) |
| 557 | } |
| 558 | } else if csize > 8 { |
| 559 | let mut buf = vec![0; (csize as usize) - 8]; |
| 560 | br.read_buf(&mut buf)?; |
| 561 | Ok(Some(buf)) |
| 562 | } else { |
| 563 | Ok(None) |
| 564 | } |
| 565 | } else { |
| 566 | Ok(None) |
| 567 | } |
| 568 | } |
| 569 | |
| 570 | fn read_stsd(track: &mut Track, br: &mut ByteReader, size: u64) -> DemuxerResult<u64> { |
| 571 | const KNOWN_STSD_SIZE: u64 = 24; |
| 572 | validate!(size >= KNOWN_STSD_SIZE); |
| 573 | let start_pos = br.tell(); |
| 574 | let version = br.read_byte()?; |
| 575 | validate!(version == 0); |
| 576 | let _flags = br.read_u24be()?; |
| 577 | let entries = br.read_u32be()?; |
| 578 | validate!(entries > 0); |
| 579 | let esize = u64::from(br.read_u32be()?); |
| 580 | validate!(esize + 8 <= size); |
| 581 | let mut fcc = [0u8; 4]; |
| 582 | br.read_buf(&mut fcc)?; |
| 583 | br.read_skip(6)?; |
| 584 | let _data_ref = br.read_u16be()?; |
| 585 | |
| 586 | track.fcc = fcc; |
| 587 | |
| 588 | let codec_info; |
| 589 | match track.stream_type { |
| 590 | StreamType::Video => { |
| 591 | let _ver = br.read_u16be()?; |
| 592 | let _revision = br.read_u16le()?; |
| 593 | let _vendor = br.read_u32be()?; |
| 594 | let _temp_quality = br.read_u32be()?; |
| 595 | let _spat_quality = br.read_u32be()?; |
| 596 | let width = br.read_u16be()? as usize; |
| 597 | let height = br.read_u16be()? as usize; |
| 598 | let _hor_res = br.read_u32be()?; |
| 599 | let _vert_res = br.read_u32be()?; |
| 600 | let data_size = br.read_u32be()?; |
| 601 | validate!(data_size == 0); |
| 602 | let _frame_count = br.read_u16be()? as usize; |
| 603 | let _cname_len = br.read_byte()? as usize; |
| 604 | br.read_skip(31)?; // actual compressor name |
| 605 | let depth = br.read_u16be()?; |
| 606 | let ctable_id = br.read_u16be()?; |
| 607 | let grayscale = depth > 0x20 || depth == 1; |
| 608 | let depth = if grayscale { depth & 0x1F } else { depth }; |
| 609 | validate!(depth <= 8 || (ctable_id == 0xFFFF)); |
| 610 | if ctable_id == 0 { |
| 611 | let max_pal_size = start_pos + size - br.tell(); |
| 612 | let mut pal = [0; 1024]; |
| 613 | read_palette(br, max_pal_size, &mut pal)?; |
| 614 | track.pal = Some(Arc::new(pal)); |
| 615 | } else if (depth <= 8) && !grayscale { |
| 616 | match depth & 0x1F { |
| 617 | 2 => { |
| 618 | let mut pal = [0; 1024]; |
| 619 | (&mut pal[..4 * 4]).copy_from_slice(&MOV_DEFAULT_PAL_2BIT); |
| 620 | track.pal = Some(Arc::new(pal)); |
| 621 | }, |
| 622 | 4 => { |
| 623 | let mut pal = [0; 1024]; |
| 624 | (&mut pal[..16 * 4]).copy_from_slice(&MOV_DEFAULT_PAL_4BIT); |
| 625 | track.pal = Some(Arc::new(pal)); |
| 626 | }, |
| 627 | 8 => { |
| 628 | track.pal = Some(Arc::new(MOV_DEFAULT_PAL_8BIT)); |
| 629 | }, |
| 630 | _ => {}, |
| 631 | }; |
| 632 | } else if grayscale && ctable_id != 0xFFFF { |
| 633 | let mut pal = [0; 1024]; |
| 634 | let cdepth = depth & 0x1F; |
| 635 | let size = 1 << cdepth; |
| 636 | for i in 0..size { |
| 637 | let mut clr = ((size - 1 - i) as u8) << (8 - cdepth); |
| 638 | let mut off = 8 - cdepth; |
| 639 | while off >= cdepth { |
| 640 | clr |= clr >> (8 - off); |
| 641 | off -= cdepth; |
| 642 | } |
| 643 | if off > 0 { |
| 644 | clr |= clr >> (8 - off); |
| 645 | } |
| 646 | pal[i * 4] = clr; |
| 647 | pal[i * 4 + 1] = clr; |
| 648 | pal[i * 4 + 2] = clr; |
| 649 | } |
| 650 | track.pal = Some(Arc::new(pal)); |
| 651 | } |
| 652 | // todo other atoms, put as extradata |
| 653 | let cname = if let Some(name) = find_codec_from_mov_video_fourcc(&fcc) { |
| 654 | name |
| 655 | } else if let Some(name) = find_codec_from_avi_fourcc(&fcc) { |
| 656 | name |
| 657 | } else { |
| 658 | "unknown" |
| 659 | }; |
| 660 | let format = if depth > 8 { RGB24_FORMAT } else { PAL8_FORMAT }; |
| 661 | let mut vhdr = NAVideoInfo::new(width, height, false, format); |
| 662 | vhdr.bits = depth as u8; |
| 663 | //skip various common atoms |
| 664 | while br.tell() - start_pos + 4 < size { |
| 665 | let mut buf = [0u8; 8]; |
| 666 | br.peek_buf(&mut buf)?; |
| 667 | let tsize = read_u32be(&buf).unwrap() as usize; |
| 668 | let tag = &buf[4..8]; |
| 669 | validate!(tsize >= 8); |
| 670 | match tag { |
| 671 | b"pasp" | b"clap" => { |
| 672 | br.read_skip(tsize)?; |
| 673 | }, |
| 674 | _ => break, |
| 675 | }; |
| 676 | } |
| 677 | let edata = if br.tell() - start_pos + 4 < size { |
| 678 | let edata_size = br.read_u32be()? as usize; |
| 679 | validate!(edata_size >= 4); |
| 680 | let mut buf = vec![0; edata_size - 4]; |
| 681 | br.read_buf(buf.as_mut_slice())?; |
| 682 | Some(buf) |
| 683 | } else { |
| 684 | None |
| 685 | }; |
| 686 | codec_info = NACodecInfo::new(cname, NACodecTypeInfo::Video(vhdr), edata); |
| 687 | }, |
| 688 | StreamType::Audio => { |
| 689 | let sver = br.read_u16be()?; |
| 690 | let _revision = br.read_u16le()?; |
| 691 | let _vendor = br.read_u32be()?; |
| 692 | let nchannels = br.read_u16be()?; |
| 693 | validate!(nchannels <= 64); |
| 694 | let sample_size = br.read_u16be()?; |
| 695 | validate!(sample_size <= 128); |
| 696 | let _compr_id = br.read_u16be()?; |
| 697 | let packet_size = br.read_u16be()? as usize; |
| 698 | validate!(packet_size == 0); |
| 699 | let sample_rate = br.read_u32be()?; |
| 700 | validate!(sample_rate > (1 << 16)); |
| 701 | let cname = if let Some(name) = find_codec_from_mov_audio_fourcc(&fcc) { |
| 702 | name |
| 703 | } else if let (true, Some(name)) = ((fcc[0] == b'm' && fcc[1] == b's'), find_codec_from_wav_twocc(u16::from(fcc[2]) * 256 + u16::from(fcc[3]))) { |
| 704 | name |
| 705 | } else { |
| 706 | "unknown" |
| 707 | }; |
| 708 | let mut soniton = NASoniton::new(sample_size as u8, SONITON_FLAG_SIGNED | SONITON_FLAG_BE); |
| 709 | if &fcc == b"raw " && sample_size == 8 { |
| 710 | soniton.signed = false; |
| 711 | } |
| 712 | let block_align = 1; |
| 713 | if sver == 1 { |
| 714 | let samples_per_packet = br.read_u32be()?; |
| 715 | let _bytes_per_packet = br.read_u32be()?; |
| 716 | let bytes_per_frame = br.read_u32be()?; |
| 717 | let _bytes_per_sample = br.read_u32be()?; |
| 718 | track.bsize = bytes_per_frame as usize; |
| 719 | track.frame_samples = samples_per_packet as usize; |
| 720 | track.tb_num = samples_per_packet; |
| 721 | } else { |
| 722 | track.bsize = (sample_size / 8) as usize; |
| 723 | } |
| 724 | track.tb_den = sample_rate >> 16; |
| 725 | track.raw_audio = match &fcc { |
| 726 | b"NONE" | b"raw " | b"twos" | b"sowt" | |
| 727 | b"in24" | b"in32" | b"fl32" | b"fl64" | |
| 728 | b"ima4" | b"ms\x00\x02" | b"ms\x00\x21" | |
| 729 | b"alaw" | b"ulaw" | |
| 730 | b"MAC3" | b"MAC6" => true, |
| 731 | _ => false, |
| 732 | }; |
| 733 | let ahdr = NAAudioInfo::new(sample_rate >> 16, nchannels as u8, soniton, block_align); |
| 734 | let edata = parse_audio_edata(br, start_pos, size)?; |
| 735 | codec_info = NACodecInfo::new(cname, NACodecTypeInfo::Audio(ahdr), edata); |
| 736 | track.channels = nchannels as usize; |
| 737 | track.bits = sample_size as usize; |
| 738 | }, |
| 739 | StreamType::None => { |
| 740 | return Err(DemuxerError::InvalidData); |
| 741 | }, |
| 742 | _ => { |
| 743 | //todo put it all into extradata |
| 744 | let edata = None; |
| 745 | codec_info = NACodecInfo::new("unknown", NACodecTypeInfo::None, edata); |
| 746 | }, |
| 747 | }; |
| 748 | let read_size = br.tell() - start_pos; |
| 749 | validate!(read_size <= size); |
| 750 | track.stream = Some(NAStream::new(track.stream_type, track.track_no, codec_info, track.tb_num, track.tb_den, u64::from(track.duration))); |
| 751 | track.stsd_found = true; |
| 752 | Ok(read_size) |
| 753 | } |
| 754 | |
| 755 | fn read_stts(track: &mut Track, br: &mut ByteReader, size: u64) -> DemuxerResult<u64> { |
| 756 | validate!(size >= 8); |
| 757 | let start_pos = br.tell(); |
| 758 | let version = br.read_byte()?; |
| 759 | validate!(version == 0); |
| 760 | let _flags = br.read_u24be()?; |
| 761 | let entries = br.read_u32be()? as usize; |
| 762 | validate!(entries as u64 <= (size - 8) / 8); |
| 763 | if entries == 0 { |
| 764 | } else if entries == 1 { |
| 765 | let _count = br.read_u32be()?; |
| 766 | let tb_num = br.read_u32be()?; |
| 767 | validate!(tb_num != 0); |
| 768 | track.rescale(tb_num); |
| 769 | } else { |
| 770 | track.time_to_sample.truncate(0); |
| 771 | track.time_to_sample.reserve(entries); |
| 772 | for _ in 0..entries { |
| 773 | let count = br.read_u32be()?; |
| 774 | let mult = br.read_u32be()?; |
| 775 | track.time_to_sample.push((count, mult)); |
| 776 | } |
| 777 | } |
| 778 | let read_size = br.tell() - start_pos; |
| 779 | validate!(read_size <= size); |
| 780 | Ok(read_size) |
| 781 | } |
| 782 | |
| 783 | fn read_stss(track: &mut Track, br: &mut ByteReader, size: u64) -> DemuxerResult<u64> { |
| 784 | let version = br.read_byte()?; |
| 785 | validate!(version == 0); |
| 786 | let _flags = br.read_u24be()?; |
| 787 | let entries = br.read_u32be()? as usize; |
| 788 | validate!(entries < ((std::u32::MAX >> 2) - 8) as usize); |
| 789 | validate!((entries * 4 + 8) as u64 == size); |
| 790 | track.keyframes = Vec::with_capacity(entries); |
| 791 | let mut last_sample_no = 0; |
| 792 | for _ in 0..entries { |
| 793 | let sample_no = br.read_u32be()?; |
| 794 | validate!(sample_no > last_sample_no); |
| 795 | track.keyframes.push(sample_no); |
| 796 | last_sample_no = sample_no; |
| 797 | } |
| 798 | Ok(size) |
| 799 | } |
| 800 | |
| 801 | fn read_stsc(track: &mut Track, br: &mut ByteReader, size: u64) -> DemuxerResult<u64> { |
| 802 | let version = br.read_byte()?; |
| 803 | validate!(version == 0); |
| 804 | let _flags = br.read_u24be()?; |
| 805 | let entries = br.read_u32be()? as usize; |
| 806 | validate!(entries < ((std::u32::MAX / 12) - 8) as usize); |
| 807 | validate!((entries * 12 + 8) as u64 == size); |
| 808 | track.sample_map = Vec::with_capacity(entries); |
| 809 | let mut last_sample_no = 0; |
| 810 | for _i in 0..entries { |
| 811 | let sample_no = br.read_u32be()?; |
| 812 | validate!(sample_no > last_sample_no); |
| 813 | let nsamples = br.read_u32be()?; |
| 814 | let _sample_desc = br.read_u32be()?; |
| 815 | track.sample_map.push((sample_no, nsamples)); |
| 816 | last_sample_no = sample_no; |
| 817 | } |
| 818 | Ok(size) |
| 819 | } |
| 820 | |
| 821 | fn read_stsz(track: &mut Track, br: &mut ByteReader, size: u64) -> DemuxerResult<u64> { |
| 822 | let version = br.read_byte()?; |
| 823 | validate!(version == 0); |
| 824 | let _flags = br.read_u24be()?; |
| 825 | let sample_size = br.read_u32be()?; |
| 826 | if sample_size != 0 { |
| 827 | track.sample_size = sample_size; |
| 828 | if track.sample_size != 1 || track.bsize == 0 { |
| 829 | track.bsize = sample_size as usize; |
| 830 | } |
| 831 | Ok(8) |
| 832 | } else { |
| 833 | let entries = br.read_u32be()? as usize; |
| 834 | validate!((entries * 4 + 12) as u64 == size); |
| 835 | track.chunk_sizes = Vec::with_capacity(entries); |
| 836 | for _ in 0..entries { |
| 837 | let sample_size = br.read_u32be()?; |
| 838 | track.chunk_sizes.push(sample_size); |
| 839 | } |
| 840 | Ok(size) |
| 841 | } |
| 842 | } |
| 843 | |
| 844 | fn read_stco(track: &mut Track, br: &mut ByteReader, size: u64) -> DemuxerResult<u64> { |
| 845 | let version = br.read_byte()?; |
| 846 | validate!(version == 0); |
| 847 | let _flags = br.read_u24be()?; |
| 848 | let entries = br.read_u32be()? as usize; |
| 849 | validate!((entries * 4 + 8) as u64 == size); |
| 850 | track.chunk_offsets = Vec::with_capacity(entries); |
| 851 | for _i in 0..entries { |
| 852 | let sample_offset = br.read_u32be()?; |
| 853 | track.chunk_offsets.push(u64::from(sample_offset)); |
| 854 | } |
| 855 | Ok(size) |
| 856 | } |
| 857 | |
| 858 | fn read_ctts(track: &mut Track, br: &mut ByteReader, size: u64) -> DemuxerResult<u64> { |
| 859 | validate!(size >= 8); |
| 860 | let version = br.read_byte()?; |
| 861 | let _flags = br.read_u24be()?; |
| 862 | if version > 1 { |
| 863 | return Err(DemuxerError::NotImplemented); |
| 864 | } |
| 865 | let entries = br.read_u32be()? as usize; |
| 866 | track.ctts_version = version; |
| 867 | track.ctts_map.resize(entries); |
| 868 | match version { |
| 869 | 0 | 1 => { |
| 870 | validate!(size == (entries as u64) * 8 + 8); |
| 871 | for _ in 0..entries { |
| 872 | let samp_count = br.read_u32be()?; |
| 873 | let samp_offset = br.read_u32be()?; |
| 874 | track.ctts_map.add(samp_count, samp_offset / track.tb_div); |
| 875 | } |
| 876 | }, |
| 877 | _ => unreachable!(), |
| 878 | }; |
| 879 | track.ctts_map.reset(); |
| 880 | |
| 881 | Ok(size) |
| 882 | } |
| 883 | |
| 884 | const TRAF_CHUNK_HANDLERS: &[TrackChunkHandler] = &[ |
| 885 | TrackChunkHandler { ctype: mktag!(b"tfhd"), parse: read_tfhd }, |
| 886 | TrackChunkHandler { ctype: mktag!(b"trun"), parse: read_trun }, |
| 887 | TrackChunkHandler { ctype: mktag!(b"sbgp"), parse: skip_chunk }, |
| 888 | TrackChunkHandler { ctype: mktag!(b"sgpd"), parse: skip_chunk }, |
| 889 | TrackChunkHandler { ctype: mktag!(b"subs"), parse: skip_chunk }, |
| 890 | TrackChunkHandler { ctype: mktag!(b"saiz"), parse: skip_chunk }, |
| 891 | TrackChunkHandler { ctype: mktag!(b"saio"), parse: skip_chunk }, |
| 892 | TrackChunkHandler { ctype: mktag!(b"tfdt"), parse: skip_chunk }, |
| 893 | TrackChunkHandler { ctype: mktag!(b"meta"), parse: skip_chunk }, |
| 894 | ]; |
| 895 | |
| 896 | fn read_tfhd(track: &mut Track, br: &mut ByteReader, size: u64) -> DemuxerResult<u64> { |
| 897 | validate!(size >= 8); |
| 898 | let start = br.tell(); |
| 899 | let _version = br.read_byte()?; |
| 900 | let flags = br.read_u24be()?; |
| 901 | let _track_id = br.read_u32be()?; |
| 902 | if (flags & 0x000001) != 0 { |
| 903 | let base_offset = br.read_u64be()?; |
| 904 | track.moof_off = base_offset; |
| 905 | } |
| 906 | if (flags & 0x000002) != 0 { |
| 907 | let _sample_description_index = br.read_u32be()?; |
| 908 | } |
| 909 | if (flags & 0x000008) != 0 { |
| 910 | let default_sample_duration = br.read_u32be()?; |
| 911 | if track.tb_div == 1 { |
| 912 | track.rescale(default_sample_duration); |
| 913 | } |
| 914 | } |
| 915 | if (flags & 0x000010) != 0 { |
| 916 | let _default_sample_size = br.read_u32be()?; |
| 917 | } |
| 918 | if (flags & 0x000020) != 0 { |
| 919 | let _default_sample_flags = br.read_u32be()?; |
| 920 | } |
| 921 | if (flags & 0x010000) != 0 { |
| 922 | } |
| 923 | /*if (flags & 0x020000) != 0 { // base offset is moof start |
| 924 | }*/ |
| 925 | Ok(br.tell() - start) |
| 926 | } |
| 927 | |
| 928 | fn read_trun(track: &mut Track, br: &mut ByteReader, size: u64) -> DemuxerResult<u64> { |
| 929 | validate!(size >= 8); |
| 930 | let version = br.read_byte()?; |
| 931 | let flags = br.read_u24be()?; |
| 932 | let data_off_present = (flags & 0x000001) != 0; |
| 933 | let first_sample_flags = (flags & 0x000004) != 0; |
| 934 | let sample_duration_present = (flags & 0x000100) != 0; |
| 935 | let sample_size_present = (flags & 0x000200) != 0; |
| 936 | let sample_flags_present = (flags & 0x000400) != 0; |
| 937 | let sample_ct_off_present = (flags & 0x000800) != 0; |
| 938 | |
| 939 | let sample_count = br.read_u32be()? as usize; |
| 940 | |
| 941 | let mut hdr_size = 8; |
| 942 | let mut arr_size = 0; |
| 943 | if data_off_present { |
| 944 | hdr_size += 4; |
| 945 | } |
| 946 | if first_sample_flags { |
| 947 | hdr_size += 4; |
| 948 | } |
| 949 | if sample_duration_present { |
| 950 | arr_size += 4; |
| 951 | } |
| 952 | if sample_size_present { |
| 953 | arr_size += 4; |
| 954 | } |
| 955 | if sample_flags_present { |
| 956 | arr_size += 4; |
| 957 | } |
| 958 | if sample_ct_off_present { |
| 959 | arr_size += 4; |
| 960 | } |
| 961 | validate!(size == hdr_size + arr_size * (sample_count as u64)); |
| 962 | |
| 963 | let mut data_off = if data_off_present { |
| 964 | let off = br.read_u32be()? as i32; |
| 965 | let new_off = (track.moof_off as i64) + i64::from(off); |
| 966 | validate!(new_off > 0); |
| 967 | new_off as u64 |
| 968 | } else { |
| 969 | track.moof_off |
| 970 | }; |
| 971 | if first_sample_flags { |
| 972 | let _flags = br.read_u32be()?; |
| 973 | } |
| 974 | |
| 975 | if sample_size_present { |
| 976 | track.chunk_sizes.reserve(sample_count); |
| 977 | track.chunk_offsets.reserve(sample_count); |
| 978 | } |
| 979 | |
| 980 | if sample_ct_off_present { |
| 981 | if track.ctts_version != version { |
| 982 | track.ctts_version = version; |
| 983 | } |
| 984 | track.ctts_map.reserve(sample_count); |
| 985 | } |
| 986 | |
| 987 | for _ in 0..sample_count { |
| 988 | if sample_duration_present { |
| 989 | let _duration = br.read_u32be()?; |
| 990 | } |
| 991 | if sample_size_present { |
| 992 | let ssize = br.read_u32be()?; |
| 993 | track.chunk_sizes.push(ssize); |
| 994 | track.chunk_offsets.push(data_off); |
| 995 | data_off += u64::from(ssize); |
| 996 | } |
| 997 | if sample_flags_present { |
| 998 | let _flags = br.read_u32be()?; |
| 999 | } |
| 1000 | if sample_ct_off_present { |
| 1001 | let samp_offset = br.read_u32be()?; |
| 1002 | if version == 0 { |
| 1003 | track.ctts_map.add(1, samp_offset / track.tb_div); |
| 1004 | } else { |
| 1005 | track.ctts_map.add(1, ((samp_offset as i32) / (track.tb_div as i32)) as u32); |
| 1006 | } |
| 1007 | } |
| 1008 | } |
| 1009 | |
| 1010 | Ok(size) |
| 1011 | } |
| 1012 | |
| 1013 | struct MOVDemuxer<'a> { |
| 1014 | src: &'a mut ByteReader<'a>, |
| 1015 | depth: usize, |
| 1016 | mdat_pos: u64, |
| 1017 | mdat_size: u64, |
| 1018 | tracks: Vec<Track>, |
| 1019 | cur_track: usize, |
| 1020 | tb_den: u32, |
| 1021 | duration: u32, |
| 1022 | pal: Option<Arc<[u8; 1024]>>, |
| 1023 | |
| 1024 | moof_off: u64, |
| 1025 | |
| 1026 | print_chunks: bool, |
| 1027 | } |
| 1028 | |
| 1029 | struct Track { |
| 1030 | track_id: u32, |
| 1031 | track_str_id: usize, |
| 1032 | track_no: u32, |
| 1033 | tb_num: u32, |
| 1034 | tb_den: u32, |
| 1035 | tb_div: u32, |
| 1036 | raw_audio: bool, |
| 1037 | raw_apos: u64, |
| 1038 | duration: u32, |
| 1039 | depth: u8, |
| 1040 | tkhd_found: bool, |
| 1041 | stsd_found: bool, |
| 1042 | stream_type: StreamType, |
| 1043 | width: usize, |
| 1044 | height: usize, |
| 1045 | channels: usize, |
| 1046 | bits: usize, |
| 1047 | bsize: usize, |
| 1048 | fcc: [u8; 4], |
| 1049 | keyframes: Vec<u32>, |
| 1050 | chunk_sizes: Vec<u32>, |
| 1051 | chunk_offsets: Vec<u64>, |
| 1052 | time_to_sample: Vec<(u32, u32)>, |
| 1053 | sample_map: Vec<(u32, u32)>, |
| 1054 | sample_size: u32, |
| 1055 | frame_samples: usize, |
| 1056 | ctts_map: RLESearcher<u32>, |
| 1057 | ctts_version: u8, |
| 1058 | stream: Option<NAStream>, |
| 1059 | cur_chunk: usize, |
| 1060 | cur_sample: usize, |
| 1061 | cur_ts: Option<u64>, |
| 1062 | samples_left: usize, |
| 1063 | last_offset: u64, |
| 1064 | pal: Option<Arc<[u8; 1024]>>, |
| 1065 | timesearch: TimeSearcher, |
| 1066 | |
| 1067 | moof_off: u64, |
| 1068 | |
| 1069 | print_chunks: bool, |
| 1070 | } |
| 1071 | |
| 1072 | #[derive(Default)] |
| 1073 | struct TimeSearcher { |
| 1074 | idx: usize, |
| 1075 | base: u64, |
| 1076 | sbase: u32, |
| 1077 | cur_len: u32, |
| 1078 | cur_mul: u32, |
| 1079 | } |
| 1080 | |
| 1081 | impl TimeSearcher { |
| 1082 | fn new() -> Self { Self::default() } |
| 1083 | fn reset(&mut self) { |
| 1084 | *self = Self::default(); |
| 1085 | } |
| 1086 | fn map_time(&mut self, sample: u32, tts: &[(u32, u32)]) -> u64 { |
| 1087 | if tts.is_empty() { |
| 1088 | u64::from(sample) |
| 1089 | } else if sample >= self.sbase { |
| 1090 | let mut sample = sample - self.sbase; |
| 1091 | if self.idx == 0 { |
| 1092 | let (cur_len, cur_mul) = tts[0]; |
| 1093 | self.cur_len = cur_len; |
| 1094 | self.cur_mul = cur_mul; |
| 1095 | self.idx += 1; |
| 1096 | } |
| 1097 | while self.idx < tts.len() && sample > self.cur_len { |
| 1098 | sample -= self.cur_len; |
| 1099 | self.sbase += self.cur_len; |
| 1100 | self.base += u64::from(self.cur_len) * u64::from(self.cur_mul); |
| 1101 | self.cur_len = tts[self.idx].0; |
| 1102 | self.cur_mul = tts[self.idx].1; |
| 1103 | self.idx += 1; |
| 1104 | } |
| 1105 | self.base + u64::from(sample) * u64::from(self.cur_mul) |
| 1106 | } else { |
| 1107 | self.reset(); |
| 1108 | self.map_time(sample, tts) |
| 1109 | } |
| 1110 | } |
| 1111 | } |
| 1112 | |
| 1113 | #[derive(Default)] |
| 1114 | struct RLESearcher<T> { |
| 1115 | array: Vec<(u32, T)>, |
| 1116 | idx: usize, |
| 1117 | start: u64, |
| 1118 | next: u64, |
| 1119 | } |
| 1120 | |
| 1121 | impl<T:Default+Copy> RLESearcher<T> { |
| 1122 | fn new() -> Self { Self::default() } |
| 1123 | fn resize(&mut self, size: usize) { |
| 1124 | self.array.truncate(0); |
| 1125 | self.array.reserve(size); |
| 1126 | } |
| 1127 | fn reserve(&mut self, size: usize) { |
| 1128 | self.array.reserve(size); |
| 1129 | } |
| 1130 | fn add(&mut self, len: u32, val: T) { |
| 1131 | self.array.push((len, val)); |
| 1132 | } |
| 1133 | fn reset(&mut self) { |
| 1134 | self.start = 0; |
| 1135 | if !self.array.is_empty() { |
| 1136 | self.idx = 0; |
| 1137 | self.next = u64::from(self.array[0].0); |
| 1138 | } else { |
| 1139 | self.idx = self.array.len(); |
| 1140 | self.next = 0; |
| 1141 | } |
| 1142 | } |
| 1143 | fn map(&mut self, sample: u64) -> Option<T> { |
| 1144 | if sample < self.start { |
| 1145 | self.reset(); |
| 1146 | } |
| 1147 | if self.idx < self.array.len() { |
| 1148 | if sample < self.next { |
| 1149 | Some(self.array[self.idx].1) |
| 1150 | } else { |
| 1151 | while (self.idx < self.array.len()) && (sample >= self.next) { |
| 1152 | self.start = self.next; |
| 1153 | self.idx += 1; |
| 1154 | if self.idx < self.array.len() { |
| 1155 | self.next += u64::from(self.array[self.idx].0); |
| 1156 | } |
| 1157 | } |
| 1158 | if self.idx < self.array.len() { |
| 1159 | Some(self.array[self.idx].1) |
| 1160 | } else { |
| 1161 | None |
| 1162 | } |
| 1163 | } |
| 1164 | } else { |
| 1165 | None |
| 1166 | } |
| 1167 | } |
| 1168 | } |
| 1169 | |
| 1170 | impl Track { |
| 1171 | fn new(track_no: u32, tb_den: u32) -> Self { |
| 1172 | Self { |
| 1173 | tkhd_found: false, |
| 1174 | stsd_found: false, |
| 1175 | track_id: 0, |
| 1176 | track_str_id: 0, |
| 1177 | track_no, |
| 1178 | tb_num: 1, |
| 1179 | tb_den, |
| 1180 | tb_div: 1, |
| 1181 | raw_audio: false, |
| 1182 | raw_apos: 0, |
| 1183 | duration: 0, |
| 1184 | stream_type: StreamType::None, |
| 1185 | width: 0, |
| 1186 | height: 0, |
| 1187 | channels: 0, |
| 1188 | bits: 0, |
| 1189 | bsize: 0, |
| 1190 | fcc: [0; 4], |
| 1191 | keyframes: Vec::new(), |
| 1192 | chunk_sizes: Vec::new(), |
| 1193 | chunk_offsets: Vec::new(), |
| 1194 | time_to_sample: Vec::new(), |
| 1195 | sample_map: Vec::new(), |
| 1196 | sample_size: 0, |
| 1197 | frame_samples: 0, |
| 1198 | ctts_map: RLESearcher::new(), |
| 1199 | ctts_version: 0, |
| 1200 | stream: None, |
| 1201 | depth: 0, |
| 1202 | cur_chunk: 0, |
| 1203 | cur_sample: 0, |
| 1204 | cur_ts: None, |
| 1205 | samples_left: 0, |
| 1206 | last_offset: 0, |
| 1207 | pal: None, |
| 1208 | timesearch: TimeSearcher::new(), |
| 1209 | |
| 1210 | moof_off: 0, |
| 1211 | |
| 1212 | print_chunks: false, |
| 1213 | } |
| 1214 | } |
| 1215 | read_chunk_list!(track; "trak", read_trak, TRAK_CHUNK_HANDLERS); |
| 1216 | read_chunk_list!(track; "mdia", read_mdia, MDIA_CHUNK_HANDLERS); |
| 1217 | read_chunk_list!(track; "minf", read_minf, MINF_CHUNK_HANDLERS); |
| 1218 | read_chunk_list!(track; "stbl", read_stbl, STBL_CHUNK_HANDLERS); |
| 1219 | read_chunk_list!(track; "traf", read_traf, TRAF_CHUNK_HANDLERS); |
| 1220 | fn rescale(&mut self, tb_num: u32) { |
| 1221 | self.tb_div = tb_num; |
| 1222 | if let Some(ref mut stream) = self.stream { |
| 1223 | let tb_den = stream.tb_den; |
| 1224 | let (tb_num, tb_den) = reduce_timebase(tb_num * stream.tb_num, tb_den); |
| 1225 | stream.duration /= u64::from(self.tb_div); |
| 1226 | stream.tb_num = tb_num; |
| 1227 | stream.tb_den = tb_den; |
| 1228 | self.tb_num = tb_num; |
| 1229 | self.tb_den = tb_den; |
| 1230 | self.duration /= self.tb_div; |
| 1231 | } |
| 1232 | } |
| 1233 | fn fill_seek_index(&self, seek_index: &mut SeekIndex) { |
| 1234 | if !self.keyframes.is_empty() { |
| 1235 | seek_index.mode = SeekIndexMode::Present; |
| 1236 | } |
| 1237 | let mut tsearch = TimeSearcher::new(); |
| 1238 | for kf_time in self.keyframes.iter() { |
| 1239 | let pts = tsearch.map_time(*kf_time - 1, &self.time_to_sample); |
| 1240 | let time = NATimeInfo::ts_to_time(pts, 1000, self.tb_num, self.tb_den); |
| 1241 | seek_index.add_entry(self.track_no as u32, SeekEntry { time, pts: u64::from(*kf_time - 1), pos: 0 }); |
| 1242 | } |
| 1243 | } |
| 1244 | fn calculate_chunk_size(&self, nsamp: usize) -> usize { |
| 1245 | if nsamp == 0 { |
| 1246 | self.bsize |
| 1247 | } else { |
| 1248 | match &self.fcc { |
| 1249 | b"NONE" | b"raw " | b"twos" | b"sowt" => { |
| 1250 | (nsamp * self.bits * self.channels + 7) >> 3 |
| 1251 | }, |
| 1252 | b"ima4" => { |
| 1253 | let nblocks = (nsamp + 63) >> 6; |
| 1254 | nblocks * 34 * self.channels |
| 1255 | }, |
| 1256 | b"MAC3" => { |
| 1257 | (nsamp + 5) / 6 * 2 * self.channels |
| 1258 | }, |
| 1259 | b"MAC6" => { |
| 1260 | (nsamp + 5) / 6 * self.channels |
| 1261 | }, |
| 1262 | b"in24" => nsamp * 3 * self.channels, |
| 1263 | b"in32" | b"fl32" => nsamp * 4 * self.channels, |
| 1264 | b"fl64" => nsamp * 8 * self.channels, |
| 1265 | b"ulaw" | b"alaw" => nsamp, |
| 1266 | b"ms\x00\x02" => { //MS ADPCM |
| 1267 | ((nsamp - 1) / 2 + 7) * self.channels |
| 1268 | }, |
| 1269 | b"ms\x00\x21" => { //IMA ADPCM |
| 1270 | (nsamp / 2 + 4) * self.channels |
| 1271 | }, |
| 1272 | _ => self.bsize, |
| 1273 | } |
| 1274 | } |
| 1275 | } |
| 1276 | fn get_next_chunk(&mut self) -> Option<(NATimeInfo, u64, usize)> { |
| 1277 | let pts_val = self.timesearch.map_time(self.cur_sample as u32, &self.time_to_sample); |
| 1278 | let dts = if let Some(dts_corr) = self.ctts_map.map(self.cur_sample as u64) { |
| 1279 | let dts = match self.ctts_version { |
| 1280 | 0 => pts_val.wrapping_add(u64::from(dts_corr)), |
| 1281 | 1 => pts_val.wrapping_add(i64::from(dts_corr as i32) as u64), |
| 1282 | _ => unimplemented!(), |
| 1283 | }; |
| 1284 | if (dts as i64) < 0 { |
| 1285 | None |
| 1286 | } else { |
| 1287 | Some(dts) |
| 1288 | } |
| 1289 | } else { |
| 1290 | None |
| 1291 | }; |
| 1292 | let mut pts = NATimeInfo::new(Some(pts_val), dts, None, self.tb_num, self.tb_den); |
| 1293 | if self.chunk_offsets.len() == self.chunk_sizes.len() { // simple one-to-one mapping |
| 1294 | if self.cur_sample >= self.chunk_sizes.len() { |
| 1295 | return None; |
| 1296 | } |
| 1297 | let offset = self.chunk_offsets[self.cur_sample]; |
| 1298 | let size = self.chunk_sizes[self.cur_sample] as usize; |
| 1299 | self.cur_sample += 1; |
| 1300 | Some((pts, offset, size)) |
| 1301 | } else { |
| 1302 | if self.samples_left == 0 { |
| 1303 | if self.cur_chunk >= self.chunk_offsets.len() { |
| 1304 | return None; |
| 1305 | } |
| 1306 | for (idx, samples) in self.sample_map.iter() { |
| 1307 | if *idx as usize <= self.cur_chunk + 1 { |
| 1308 | self.samples_left = *samples as usize; |
| 1309 | } else { |
| 1310 | break; |
| 1311 | } |
| 1312 | } |
| 1313 | self.last_offset = self.chunk_offsets[self.cur_chunk]; |
| 1314 | self.cur_chunk += 1; |
| 1315 | } |
| 1316 | let offset = self.last_offset; |
| 1317 | let size = self.get_size(self.cur_sample); |
| 1318 | self.last_offset += size as u64; |
| 1319 | if self.stream_type == StreamType::Video { |
| 1320 | self.samples_left -= 1; |
| 1321 | } else if self.frame_samples != 0 && self.bsize != 0 { |
| 1322 | let nblocks = size / self.bsize; |
| 1323 | if self.raw_audio { |
| 1324 | pts.pts = Some(self.raw_apos); |
| 1325 | pts.duration = Some(nblocks as u64); |
| 1326 | self.raw_apos += nblocks as u64; |
| 1327 | } |
| 1328 | if nblocks > 0 { |
| 1329 | let consumed = (nblocks * self.frame_samples).min(self.samples_left); |
| 1330 | self.samples_left -= consumed; |
| 1331 | } else { |
| 1332 | self.samples_left = 0; |
| 1333 | } |
| 1334 | } else if !self.raw_audio { |
| 1335 | self.samples_left -= 1; |
| 1336 | } else { |
| 1337 | const BLOCK_SAMPLES: usize = 1024 * 6; // should be multiple of 64 and 6 to fit both IMA ADPCM and MACE 6:1 blocks |
| 1338 | let max_size = self.calculate_chunk_size(BLOCK_SAMPLES); |
| 1339 | let cur_size = self.calculate_chunk_size(self.samples_left); |
| 1340 | let add_off = (size - cur_size) as u64; |
| 1341 | let dsize = cur_size.min(max_size); |
| 1342 | if self.samples_left >= BLOCK_SAMPLES { |
| 1343 | self.cur_sample += BLOCK_SAMPLES; |
| 1344 | self.samples_left -= BLOCK_SAMPLES; |
| 1345 | self.last_offset -= size as u64; |
| 1346 | } else { |
| 1347 | self.cur_sample += self.samples_left; |
| 1348 | self.samples_left = 0; |
| 1349 | } |
| 1350 | return Some((pts, offset + add_off, dsize)); |
| 1351 | } |
| 1352 | self.cur_sample += 1; |
| 1353 | Some((pts, offset, size)) |
| 1354 | } |
| 1355 | } |
| 1356 | fn get_size(&self, sample_no: usize) -> usize { |
| 1357 | if !self.chunk_sizes.is_empty() { |
| 1358 | self.chunk_sizes[sample_no] as usize |
| 1359 | } else if !self.sample_map.is_empty() { |
| 1360 | let mut nsamp = 0; |
| 1361 | for (idx, samples) in self.sample_map.iter() { |
| 1362 | if *idx as usize <= self.cur_chunk { |
| 1363 | nsamp = *samples; |
| 1364 | } else { |
| 1365 | break; |
| 1366 | } |
| 1367 | } |
| 1368 | self.calculate_chunk_size(nsamp as usize) |
| 1369 | } else { |
| 1370 | self.bsize |
| 1371 | } |
| 1372 | } |
| 1373 | #[allow(clippy::collapsible_if)] |
| 1374 | fn seek(&mut self, pts: u64, tpoint: NATimePoint) -> DemuxerResult<()> { |
| 1375 | self.cur_sample = pts as usize; |
| 1376 | self.samples_left = 0; |
| 1377 | self.cur_ts = None; |
| 1378 | if self.stream_type == StreamType::Audio { |
| 1379 | if let NATimePoint::Milliseconds(ms) = tpoint { |
| 1380 | let exp_pts = NATimeInfo::time_to_ts(ms, 1000, self.tb_num, self.tb_den); |
| 1381 | if self.raw_audio { |
| 1382 | if self.frame_samples != 0 { |
| 1383 | self.raw_apos = exp_pts / (self.frame_samples as u64); |
| 1384 | let mut apos = 0; |
| 1385 | self.cur_sample = 0; |
| 1386 | self.cur_chunk = 0; |
| 1387 | let mut cmap = self.sample_map.iter(); |
| 1388 | let mut cur_samps = 0; |
| 1389 | let (mut next_idx, mut next_samples) = cmap.next().unwrap(); |
| 1390 | loop { |
| 1391 | if self.cur_chunk + 1 == next_idx as usize { |
| 1392 | self.samples_left = cur_samps; |
| 1393 | cur_samps = next_samples as usize; |
| 1394 | if let Some((new_idx, new_samples)) = cmap.next() { |
| 1395 | next_idx = *new_idx; |
| 1396 | next_samples = *new_samples; |
| 1397 | } |
| 1398 | } |
| 1399 | self.raw_apos = apos; |
| 1400 | apos += (cur_samps / self.frame_samples) as u64; |
| 1401 | if apos > exp_pts { |
| 1402 | if cur_samps == self.frame_samples || apos > exp_pts + 1 { |
| 1403 | if self.cur_chunk >= self.chunk_offsets.len() { |
| 1404 | return Err(DemuxerError::SeekError); |
| 1405 | } |
| 1406 | self.last_offset = self.chunk_offsets[self.cur_chunk]; |
| 1407 | break; |
| 1408 | } |
| 1409 | } |
| 1410 | self.cur_chunk += 1; |
| 1411 | } |
| 1412 | self.samples_left = cur_samps; |
| 1413 | self.cur_chunk += 1; |
| 1414 | } else { |
| 1415 | self.raw_apos = exp_pts; |
| 1416 | self.cur_sample = exp_pts as usize; |
| 1417 | let mut csamp = 0; |
| 1418 | self.cur_chunk = 0; |
| 1419 | let mut cmap = self.sample_map.iter(); |
| 1420 | let mut cur_samps = 0; |
| 1421 | let (mut next_idx, mut next_samples) = cmap.next().unwrap(); |
| 1422 | loop { |
| 1423 | if self.cur_chunk + 1 == next_idx as usize { |
| 1424 | self.samples_left = cur_samps; |
| 1425 | cur_samps = next_samples as usize; |
| 1426 | if let Some((new_idx, new_samples)) = cmap.next() { |
| 1427 | next_idx = *new_idx; |
| 1428 | next_samples = *new_samples; |
| 1429 | } |
| 1430 | } |
| 1431 | csamp += cur_samps; |
| 1432 | if csamp > self.cur_sample { |
| 1433 | if self.cur_chunk >= self.chunk_offsets.len() { |
| 1434 | return Err(DemuxerError::SeekError); |
| 1435 | } |
| 1436 | self.last_offset = self.chunk_offsets[self.cur_chunk]; |
| 1437 | break; |
| 1438 | } |
| 1439 | self.cur_chunk += 1; |
| 1440 | } |
| 1441 | self.samples_left = csamp - self.cur_sample; |
| 1442 | self.cur_chunk += 1; |
| 1443 | } |
| 1444 | } else if self.chunk_offsets.len() == self.chunk_sizes.len() { |
| 1445 | self.cur_chunk = self.cur_sample; |
| 1446 | } else { |
| 1447 | let mut csamp = 0; |
| 1448 | self.cur_chunk = 0; |
| 1449 | let mut cmap = self.sample_map.iter(); |
| 1450 | let mut cur_samps = 0; |
| 1451 | let (mut next_idx, mut next_samples) = cmap.next().unwrap(); |
| 1452 | loop { |
| 1453 | if self.cur_chunk + 1 == next_idx as usize { |
| 1454 | self.samples_left = cur_samps; |
| 1455 | cur_samps = next_samples as usize; |
| 1456 | if let Some((new_idx, new_samples)) = cmap.next() { |
| 1457 | next_idx = *new_idx; |
| 1458 | next_samples = *new_samples; |
| 1459 | } |
| 1460 | } |
| 1461 | csamp += cur_samps; |
| 1462 | if csamp > self.cur_sample { |
| 1463 | if self.cur_chunk >= self.chunk_offsets.len() { |
| 1464 | return Err(DemuxerError::SeekError); |
| 1465 | } |
| 1466 | self.last_offset = self.chunk_offsets[self.cur_chunk]; |
| 1467 | break; |
| 1468 | } |
| 1469 | self.cur_chunk += 1; |
| 1470 | } |
| 1471 | self.cur_sample = csamp - cur_samps; |
| 1472 | self.samples_left = cur_samps; |
| 1473 | self.last_offset = self.chunk_offsets[self.cur_chunk]; |
| 1474 | self.cur_chunk += 1; |
| 1475 | } |
| 1476 | } else { |
| 1477 | self.cur_chunk = self.cur_sample; |
| 1478 | } |
| 1479 | } else if self.chunk_offsets.len() != self.chunk_sizes.len() && !self.sample_map.is_empty() { |
| 1480 | let mut csamp = 0; |
| 1481 | self.cur_chunk = 0; |
| 1482 | let mut cmap = self.sample_map.iter(); |
| 1483 | let mut cur_samps = 0; |
| 1484 | let (mut next_idx, mut next_samples) = cmap.next().unwrap(); |
| 1485 | loop { |
| 1486 | if self.cur_chunk + 1 == next_idx as usize { |
| 1487 | self.samples_left = cur_samps; |
| 1488 | cur_samps = next_samples as usize; |
| 1489 | if let Some((new_idx, new_samples)) = cmap.next() { |
| 1490 | next_idx = *new_idx; |
| 1491 | next_samples = *new_samples; |
| 1492 | } |
| 1493 | } |
| 1494 | csamp += cur_samps; |
| 1495 | if csamp >= self.cur_sample { |
| 1496 | if self.cur_chunk >= self.chunk_offsets.len() { |
| 1497 | return Err(DemuxerError::SeekError); |
| 1498 | } |
| 1499 | self.last_offset = self.chunk_offsets[self.cur_chunk]; |
| 1500 | break; |
| 1501 | } |
| 1502 | self.cur_chunk += 1; |
| 1503 | } |
| 1504 | csamp -= cur_samps; |
| 1505 | for sample_no in csamp..self.cur_sample { |
| 1506 | self.last_offset += self.get_size(sample_no) as u64; |
| 1507 | } |
| 1508 | self.samples_left = csamp + cur_samps - self.cur_sample; |
| 1509 | self.cur_chunk += 1; |
| 1510 | } |
| 1511 | Ok(()) |
| 1512 | } |
| 1513 | } |
| 1514 | |
| 1515 | fn process_packet(src: &mut ByteReader, strmgr: &StreamManager, track: &mut Track, pts: NATimeInfo, offset: u64, size: usize, first: bool) -> DemuxerResult<NAPacket> { |
| 1516 | if let Some(cpts) = pts.get_pts() { |
| 1517 | let ts = NATimeInfo::ts_to_time(cpts, 1000, pts.tb_num, pts.tb_den); |
| 1518 | track.cur_ts = Some(ts); |
| 1519 | } else { |
| 1520 | track.cur_ts = None; |
| 1521 | } |
| 1522 | let str = strmgr.get_stream(track.track_str_id); |
| 1523 | if str.is_none() { return Err(DemuxerError::InvalidData); } |
| 1524 | let stream = str.unwrap(); |
| 1525 | src.seek(SeekFrom::Start(offset))?; |
| 1526 | let mut pkt = src.read_packet(stream, pts, false, size)?; |
| 1527 | if let Some(ref pal) = track.pal { |
| 1528 | let side_data = NASideData::Palette(first, pal.clone()); |
| 1529 | pkt.add_side_data(side_data); |
| 1530 | } |
| 1531 | Ok(pkt) |
| 1532 | } |
| 1533 | |
| 1534 | impl<'a> DemuxCore<'a> for MOVDemuxer<'a> { |
| 1535 | fn open(&mut self, strmgr: &mut StreamManager, seek_index: &mut SeekIndex) -> DemuxerResult<()> { |
| 1536 | self.read_root(strmgr)?; |
| 1537 | validate!(self.mdat_pos > 0); |
| 1538 | validate!(!self.tracks.is_empty()); |
| 1539 | for track in self.tracks.iter_mut() { |
| 1540 | let mut str = None; |
| 1541 | std::mem::swap(&mut track.stream, &mut str); |
| 1542 | if let Some(stream) = str { |
| 1543 | let str_id = strmgr.add_stream(stream).unwrap(); |
| 1544 | track.track_str_id = str_id; |
| 1545 | } |
| 1546 | } |
| 1547 | for track in self.tracks.iter() { |
| 1548 | track.fill_seek_index(seek_index); |
| 1549 | } |
| 1550 | self.src.seek(SeekFrom::Start(self.mdat_pos))?; |
| 1551 | self.cur_track = 0; |
| 1552 | Ok(()) |
| 1553 | } |
| 1554 | |
| 1555 | fn get_frame(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<NAPacket> { |
| 1556 | if self.tracks.is_empty() { |
| 1557 | return Err(DemuxerError::EOF); |
| 1558 | } |
| 1559 | let mut has_all_time = true; |
| 1560 | let mut min_ts = std::u64::MAX; |
| 1561 | for trk in self.tracks.iter() { |
| 1562 | if let Some(ts) = trk.cur_ts { |
| 1563 | min_ts = min_ts.min(ts); |
| 1564 | } else { |
| 1565 | has_all_time = false; |
| 1566 | break; |
| 1567 | } |
| 1568 | } |
| 1569 | if has_all_time { |
| 1570 | for (trk_no, track) in self.tracks.iter_mut().enumerate() { |
| 1571 | if let Some(ts) = track.cur_ts { |
| 1572 | if ts == min_ts { |
| 1573 | let first = track.cur_sample == 0; |
| 1574 | if let Some((pts, offset, size)) = track.get_next_chunk() { |
| 1575 | self.cur_track = trk_no + 1; |
| 1576 | return process_packet(&mut self.src, strmgr, track, pts, offset, size, first); |
| 1577 | } |
| 1578 | } |
| 1579 | } |
| 1580 | } |
| 1581 | } |
| 1582 | |
| 1583 | for _ in 0..self.tracks.len() { |
| 1584 | if self.cur_track >= self.tracks.len() { |
| 1585 | self.cur_track = 0; |
| 1586 | } |
| 1587 | let track = &mut self.tracks[self.cur_track]; |
| 1588 | self.cur_track += 1; |
| 1589 | let first = track.cur_sample == 0; |
| 1590 | if let Some((pts, offset, size)) = track.get_next_chunk() { |
| 1591 | return process_packet(&mut self.src, strmgr, track, pts, offset, size, first); |
| 1592 | } |
| 1593 | } |
| 1594 | Err(DemuxerError::EOF) |
| 1595 | } |
| 1596 | |
| 1597 | fn seek(&mut self, time: NATimePoint, seek_index: &SeekIndex) -> DemuxerResult<()> { |
| 1598 | let ret = seek_index.find_pos(time); |
| 1599 | if ret.is_none() { |
| 1600 | if let NATimePoint::Milliseconds(_) = time { |
| 1601 | let mut aonly = true; |
| 1602 | for track in self.tracks.iter() { |
| 1603 | if track.stream_type != StreamType::Audio || !track.raw_audio { |
| 1604 | aonly = false; |
| 1605 | break; |
| 1606 | } |
| 1607 | } |
| 1608 | if aonly { |
| 1609 | for track in self.tracks.iter_mut() { |
| 1610 | track.seek(0, time)?; |
| 1611 | } |
| 1612 | return Ok(()); |
| 1613 | } |
| 1614 | } |
| 1615 | return Err(DemuxerError::SeekError); |
| 1616 | } |
| 1617 | let seek_info = ret.unwrap(); |
| 1618 | let tbn = self.tracks[seek_info.str_id as usize].tb_num; |
| 1619 | let tbd = self.tracks[seek_info.str_id as usize].tb_den; |
| 1620 | for track in self.tracks.iter_mut() { |
| 1621 | let cur_pts = if track.track_id == seek_info.str_id { |
| 1622 | seek_info.pts |
| 1623 | } else { |
| 1624 | seek_info.pts * u64::from(tbn) * u64::from(track.tb_den) / (u64::from(tbd) * u64::from(track.tb_num)) |
| 1625 | }; |
| 1626 | track.seek(cur_pts, time)?; |
| 1627 | } |
| 1628 | Ok(()) |
| 1629 | } |
| 1630 | fn get_duration(&self) -> u64 { |
| 1631 | if self.tb_den != 0 { |
| 1632 | u64::from(self.duration) * 1000 / u64::from(self.tb_den) |
| 1633 | } else { |
| 1634 | 0 |
| 1635 | } |
| 1636 | } |
| 1637 | } |
| 1638 | |
| 1639 | const PRINT_CHUNKS: &str = "print_chunks"; |
| 1640 | |
| 1641 | const DEMUXER_OPTIONS: &[NAOptionDefinition] = &[ |
| 1642 | NAOptionDefinition { |
| 1643 | name: PRINT_CHUNKS, |
| 1644 | description: "Print parsed file structure", |
| 1645 | opt_type: NAOptionDefinitionType::Bool }, |
| 1646 | ]; |
| 1647 | |
| 1648 | impl<'a> NAOptionHandler for MOVDemuxer<'a> { |
| 1649 | fn get_supported_options(&self) -> &[NAOptionDefinition] { DEMUXER_OPTIONS } |
| 1650 | #[allow(clippy::single_match)] |
| 1651 | fn set_options(&mut self, options: &[NAOption]) { |
| 1652 | for option in options.iter() { |
| 1653 | for opt_def in DEMUXER_OPTIONS.iter() { |
| 1654 | if opt_def.check(option).is_ok() { |
| 1655 | match (option.name, &option.value) { |
| 1656 | (PRINT_CHUNKS, NAValue::Bool(val)) => { |
| 1657 | self.print_chunks = *val; |
| 1658 | }, |
| 1659 | _ => {}, |
| 1660 | } |
| 1661 | } |
| 1662 | } |
| 1663 | } |
| 1664 | } |
| 1665 | fn query_option_value(&self, name: &str) -> Option<NAValue> { |
| 1666 | match name { |
| 1667 | PRINT_CHUNKS => Some(NAValue::Bool(self.print_chunks)), |
| 1668 | _ => None, |
| 1669 | } |
| 1670 | } |
| 1671 | } |
| 1672 | |
| 1673 | impl<'a> MOVDemuxer<'a> { |
| 1674 | fn new(io: &'a mut ByteReader<'a>) -> Self { |
| 1675 | MOVDemuxer { |
| 1676 | src: io, |
| 1677 | depth: 0, |
| 1678 | mdat_pos: 0, |
| 1679 | mdat_size: 0, |
| 1680 | tracks: Vec::with_capacity(2), |
| 1681 | cur_track: 0, |
| 1682 | tb_den: 0, |
| 1683 | duration: 0, |
| 1684 | pal: None, |
| 1685 | |
| 1686 | moof_off: 0, |
| 1687 | |
| 1688 | print_chunks: false, |
| 1689 | } |
| 1690 | } |
| 1691 | fn read_root(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<()> { |
| 1692 | self.depth = 0; |
| 1693 | while self.src.left() != 0 { |
| 1694 | let ret = read_chunk_header(&mut self.src); |
| 1695 | if ret.is_err() { break; } |
| 1696 | let (ctype, size) = ret.unwrap(); |
| 1697 | if self.print_chunks { |
| 1698 | print_cname(ctype, size, self.src.tell(), 0); |
| 1699 | } |
| 1700 | if IGNORED_CHUNKS.contains(&ctype) { |
| 1701 | self.src.skip64(size)?; |
| 1702 | continue; |
| 1703 | } |
| 1704 | let handler = ROOT_CHUNK_HANDLERS.iter().find(|x| x.ctype == ctype); |
| 1705 | let read_size; |
| 1706 | if let Some(ref handler) = handler { |
| 1707 | read_size = (handler.parse)(self, strmgr, size)?; |
| 1708 | } else { |
| 1709 | println!("skipping unknown chunk {:08X} size {}", ctype, size); |
| 1710 | read_size = 0; |
| 1711 | } |
| 1712 | validate!(read_size <= size); |
| 1713 | self.src.skip64(size - read_size)?; |
| 1714 | } |
| 1715 | //todo check if all needed chunks are found |
| 1716 | Ok(()) |
| 1717 | } |
| 1718 | read_chunk_list!(root; "moov", read_moov, MOOV_CHUNK_HANDLERS); |
| 1719 | read_chunk_list!(root; "moof", read_moof, MOOF_CHUNK_HANDLERS); |
| 1720 | } |
| 1721 | |
| 1722 | pub struct MOVDemuxerCreator { } |
| 1723 | |
| 1724 | impl DemuxerCreator for MOVDemuxerCreator { |
| 1725 | fn new_demuxer<'a>(&self, br: &'a mut ByteReader<'a>) -> Box<dyn DemuxCore<'a> + 'a> { |
| 1726 | Box::new(MOVDemuxer::new(br)) |
| 1727 | } |
| 1728 | fn get_name(&self) -> &'static str { "mov" } |
| 1729 | } |
| 1730 | |
| 1731 | const MOV_DEFAULT_PAL_2BIT: [u8; 4 * 4] = [ |
| 1732 | 0x93, 0x65, 0x5E, 0x00, |
| 1733 | 0xFF, 0xFF, 0xFF, 0x00, |
| 1734 | 0xDF, 0xD0, 0xAB, 0x00, |
| 1735 | 0x00, 0x00, 0x00, 0x00 |
| 1736 | ]; |
| 1737 | const MOV_DEFAULT_PAL_4BIT: [u8; 16 * 4] = [ |
| 1738 | 0xFF, 0xFB, 0xFF, 0x00, |
| 1739 | 0xEF, 0xD9, 0xBB, 0x00, |
| 1740 | 0xE8, 0xC9, 0xB1, 0x00, |
| 1741 | 0x93, 0x65, 0x5E, 0x00, |
| 1742 | 0xFC, 0xDE, 0xE8, 0x00, |
| 1743 | 0x9D, 0x88, 0x91, 0x00, |
| 1744 | 0xFF, 0xFF, 0xFF, 0x00, |
| 1745 | 0xFF, 0xFF, 0xFF, 0x00, |
| 1746 | 0xFF, 0xFF, 0xFF, 0x00, |
| 1747 | 0x47, 0x48, 0x37, 0x00, |
| 1748 | 0x7A, 0x5E, 0x55, 0x00, |
| 1749 | 0xDF, 0xD0, 0xAB, 0x00, |
| 1750 | 0xFF, 0xFB, 0xF9, 0x00, |
| 1751 | 0xE8, 0xCA, 0xC5, 0x00, |
| 1752 | 0x8A, 0x7C, 0x77, 0x00, |
| 1753 | 0x00, 0x00, 0x00, 0x00 |
| 1754 | ]; |
| 1755 | const MOV_DEFAULT_PAL_8BIT: [u8; 256 * 4] = [ |
| 1756 | 0xFF, 0xFF, 0xFF, 0x00, |
| 1757 | 0xFF, 0xFF, 0xCC, 0x00, |
| 1758 | 0xFF, 0xFF, 0x99, 0x00, |
| 1759 | 0xFF, 0xFF, 0x66, 0x00, |
| 1760 | 0xFF, 0xFF, 0x33, 0x00, |
| 1761 | 0xFF, 0xFF, 0x00, 0x00, |
| 1762 | 0xFF, 0xCC, 0xFF, 0x00, |
| 1763 | 0xFF, 0xCC, 0xCC, 0x00, |
| 1764 | 0xFF, 0xCC, 0x99, 0x00, |
| 1765 | 0xFF, 0xCC, 0x66, 0x00, |
| 1766 | 0xFF, 0xCC, 0x33, 0x00, |
| 1767 | 0xFF, 0xCC, 0x00, 0x00, |
| 1768 | 0xFF, 0x99, 0xFF, 0x00, |
| 1769 | 0xFF, 0x99, 0xCC, 0x00, |
| 1770 | 0xFF, 0x99, 0x99, 0x00, |
| 1771 | 0xFF, 0x99, 0x66, 0x00, |
| 1772 | 0xFF, 0x99, 0x33, 0x00, |
| 1773 | 0xFF, 0x99, 0x00, 0x00, |
| 1774 | 0xFF, 0x66, 0xFF, 0x00, |
| 1775 | 0xFF, 0x66, 0xCC, 0x00, |
| 1776 | 0xFF, 0x66, 0x99, 0x00, |
| 1777 | 0xFF, 0x66, 0x66, 0x00, |
| 1778 | 0xFF, 0x66, 0x33, 0x00, |
| 1779 | 0xFF, 0x66, 0x00, 0x00, |
| 1780 | 0xFF, 0x33, 0xFF, 0x00, |
| 1781 | 0xFF, 0x33, 0xCC, 0x00, |
| 1782 | 0xFF, 0x33, 0x99, 0x00, |
| 1783 | 0xFF, 0x33, 0x66, 0x00, |
| 1784 | 0xFF, 0x33, 0x33, 0x00, |
| 1785 | 0xFF, 0x33, 0x00, 0x00, |
| 1786 | 0xFF, 0x00, 0xFF, 0x00, |
| 1787 | 0xFF, 0x00, 0xCC, 0x00, |
| 1788 | 0xFF, 0x00, 0x99, 0x00, |
| 1789 | 0xFF, 0x00, 0x66, 0x00, |
| 1790 | 0xFF, 0x00, 0x33, 0x00, |
| 1791 | 0xFF, 0x00, 0x00, 0x00, |
| 1792 | 0xCC, 0xFF, 0xFF, 0x00, |
| 1793 | 0xCC, 0xFF, 0xCC, 0x00, |
| 1794 | 0xCC, 0xFF, 0x99, 0x00, |
| 1795 | 0xCC, 0xFF, 0x66, 0x00, |
| 1796 | 0xCC, 0xFF, 0x33, 0x00, |
| 1797 | 0xCC, 0xFF, 0x00, 0x00, |
| 1798 | 0xCC, 0xCC, 0xFF, 0x00, |
| 1799 | 0xCC, 0xCC, 0xCC, 0x00, |
| 1800 | 0xCC, 0xCC, 0x99, 0x00, |
| 1801 | 0xCC, 0xCC, 0x66, 0x00, |
| 1802 | 0xCC, 0xCC, 0x33, 0x00, |
| 1803 | 0xCC, 0xCC, 0x00, 0x00, |
| 1804 | 0xCC, 0x99, 0xFF, 0x00, |
| 1805 | 0xCC, 0x99, 0xCC, 0x00, |
| 1806 | 0xCC, 0x99, 0x99, 0x00, |
| 1807 | 0xCC, 0x99, 0x66, 0x00, |
| 1808 | 0xCC, 0x99, 0x33, 0x00, |
| 1809 | 0xCC, 0x99, 0x00, 0x00, |
| 1810 | 0xCC, 0x66, 0xFF, 0x00, |
| 1811 | 0xCC, 0x66, 0xCC, 0x00, |
| 1812 | 0xCC, 0x66, 0x99, 0x00, |
| 1813 | 0xCC, 0x66, 0x66, 0x00, |
| 1814 | 0xCC, 0x66, 0x33, 0x00, |
| 1815 | 0xCC, 0x66, 0x00, 0x00, |
| 1816 | 0xCC, 0x33, 0xFF, 0x00, |
| 1817 | 0xCC, 0x33, 0xCC, 0x00, |
| 1818 | 0xCC, 0x33, 0x99, 0x00, |
| 1819 | 0xCC, 0x33, 0x66, 0x00, |
| 1820 | 0xCC, 0x33, 0x33, 0x00, |
| 1821 | 0xCC, 0x33, 0x00, 0x00, |
| 1822 | 0xCC, 0x00, 0xFF, 0x00, |
| 1823 | 0xCC, 0x00, 0xCC, 0x00, |
| 1824 | 0xCC, 0x00, 0x99, 0x00, |
| 1825 | 0xCC, 0x00, 0x66, 0x00, |
| 1826 | 0xCC, 0x00, 0x33, 0x00, |
| 1827 | 0xCC, 0x00, 0x00, 0x00, |
| 1828 | 0x99, 0xFF, 0xFF, 0x00, |
| 1829 | 0x99, 0xFF, 0xCC, 0x00, |
| 1830 | 0x99, 0xFF, 0x99, 0x00, |
| 1831 | 0x99, 0xFF, 0x66, 0x00, |
| 1832 | 0x99, 0xFF, 0x33, 0x00, |
| 1833 | 0x99, 0xFF, 0x00, 0x00, |
| 1834 | 0x99, 0xCC, 0xFF, 0x00, |
| 1835 | 0x99, 0xCC, 0xCC, 0x00, |
| 1836 | 0x99, 0xCC, 0x99, 0x00, |
| 1837 | 0x99, 0xCC, 0x66, 0x00, |
| 1838 | 0x99, 0xCC, 0x33, 0x00, |
| 1839 | 0x99, 0xCC, 0x00, 0x00, |
| 1840 | 0x99, 0x99, 0xFF, 0x00, |
| 1841 | 0x99, 0x99, 0xCC, 0x00, |
| 1842 | 0x99, 0x99, 0x99, 0x00, |
| 1843 | 0x99, 0x99, 0x66, 0x00, |
| 1844 | 0x99, 0x99, 0x33, 0x00, |
| 1845 | 0x99, 0x99, 0x00, 0x00, |
| 1846 | 0x99, 0x66, 0xFF, 0x00, |
| 1847 | 0x99, 0x66, 0xCC, 0x00, |
| 1848 | 0x99, 0x66, 0x99, 0x00, |
| 1849 | 0x99, 0x66, 0x66, 0x00, |
| 1850 | 0x99, 0x66, 0x33, 0x00, |
| 1851 | 0x99, 0x66, 0x00, 0x00, |
| 1852 | 0x99, 0x33, 0xFF, 0x00, |
| 1853 | 0x99, 0x33, 0xCC, 0x00, |
| 1854 | 0x99, 0x33, 0x99, 0x00, |
| 1855 | 0x99, 0x33, 0x66, 0x00, |
| 1856 | 0x99, 0x33, 0x33, 0x00, |
| 1857 | 0x99, 0x33, 0x00, 0x00, |
| 1858 | 0x99, 0x00, 0xFF, 0x00, |
| 1859 | 0x99, 0x00, 0xCC, 0x00, |
| 1860 | 0x99, 0x00, 0x99, 0x00, |
| 1861 | 0x99, 0x00, 0x66, 0x00, |
| 1862 | 0x99, 0x00, 0x33, 0x00, |
| 1863 | 0x99, 0x00, 0x00, 0x00, |
| 1864 | 0x66, 0xFF, 0xFF, 0x00, |
| 1865 | 0x66, 0xFF, 0xCC, 0x00, |
| 1866 | 0x66, 0xFF, 0x99, 0x00, |
| 1867 | 0x66, 0xFF, 0x66, 0x00, |
| 1868 | 0x66, 0xFF, 0x33, 0x00, |
| 1869 | 0x66, 0xFF, 0x00, 0x00, |
| 1870 | 0x66, 0xCC, 0xFF, 0x00, |
| 1871 | 0x66, 0xCC, 0xCC, 0x00, |
| 1872 | 0x66, 0xCC, 0x99, 0x00, |
| 1873 | 0x66, 0xCC, 0x66, 0x00, |
| 1874 | 0x66, 0xCC, 0x33, 0x00, |
| 1875 | 0x66, 0xCC, 0x00, 0x00, |
| 1876 | 0x66, 0x99, 0xFF, 0x00, |
| 1877 | 0x66, 0x99, 0xCC, 0x00, |
| 1878 | 0x66, 0x99, 0x99, 0x00, |
| 1879 | 0x66, 0x99, 0x66, 0x00, |
| 1880 | 0x66, 0x99, 0x33, 0x00, |
| 1881 | 0x66, 0x99, 0x00, 0x00, |
| 1882 | 0x66, 0x66, 0xFF, 0x00, |
| 1883 | 0x66, 0x66, 0xCC, 0x00, |
| 1884 | 0x66, 0x66, 0x99, 0x00, |
| 1885 | 0x66, 0x66, 0x66, 0x00, |
| 1886 | 0x66, 0x66, 0x33, 0x00, |
| 1887 | 0x66, 0x66, 0x00, 0x00, |
| 1888 | 0x66, 0x33, 0xFF, 0x00, |
| 1889 | 0x66, 0x33, 0xCC, 0x00, |
| 1890 | 0x66, 0x33, 0x99, 0x00, |
| 1891 | 0x66, 0x33, 0x66, 0x00, |
| 1892 | 0x66, 0x33, 0x33, 0x00, |
| 1893 | 0x66, 0x33, 0x00, 0x00, |
| 1894 | 0x66, 0x00, 0xFF, 0x00, |
| 1895 | 0x66, 0x00, 0xCC, 0x00, |
| 1896 | 0x66, 0x00, 0x99, 0x00, |
| 1897 | 0x66, 0x00, 0x66, 0x00, |
| 1898 | 0x66, 0x00, 0x33, 0x00, |
| 1899 | 0x66, 0x00, 0x00, 0x00, |
| 1900 | 0x33, 0xFF, 0xFF, 0x00, |
| 1901 | 0x33, 0xFF, 0xCC, 0x00, |
| 1902 | 0x33, 0xFF, 0x99, 0x00, |
| 1903 | 0x33, 0xFF, 0x66, 0x00, |
| 1904 | 0x33, 0xFF, 0x33, 0x00, |
| 1905 | 0x33, 0xFF, 0x00, 0x00, |
| 1906 | 0x33, 0xCC, 0xFF, 0x00, |
| 1907 | 0x33, 0xCC, 0xCC, 0x00, |
| 1908 | 0x33, 0xCC, 0x99, 0x00, |
| 1909 | 0x33, 0xCC, 0x66, 0x00, |
| 1910 | 0x33, 0xCC, 0x33, 0x00, |
| 1911 | 0x33, 0xCC, 0x00, 0x00, |
| 1912 | 0x33, 0x99, 0xFF, 0x00, |
| 1913 | 0x33, 0x99, 0xCC, 0x00, |
| 1914 | 0x33, 0x99, 0x99, 0x00, |
| 1915 | 0x33, 0x99, 0x66, 0x00, |
| 1916 | 0x33, 0x99, 0x33, 0x00, |
| 1917 | 0x33, 0x99, 0x00, 0x00, |
| 1918 | 0x33, 0x66, 0xFF, 0x00, |
| 1919 | 0x33, 0x66, 0xCC, 0x00, |
| 1920 | 0x33, 0x66, 0x99, 0x00, |
| 1921 | 0x33, 0x66, 0x66, 0x00, |
| 1922 | 0x33, 0x66, 0x33, 0x00, |
| 1923 | 0x33, 0x66, 0x00, 0x00, |
| 1924 | 0x33, 0x33, 0xFF, 0x00, |
| 1925 | 0x33, 0x33, 0xCC, 0x00, |
| 1926 | 0x33, 0x33, 0x99, 0x00, |
| 1927 | 0x33, 0x33, 0x66, 0x00, |
| 1928 | 0x33, 0x33, 0x33, 0x00, |
| 1929 | 0x33, 0x33, 0x00, 0x00, |
| 1930 | 0x33, 0x00, 0xFF, 0x00, |
| 1931 | 0x33, 0x00, 0xCC, 0x00, |
| 1932 | 0x33, 0x00, 0x99, 0x00, |
| 1933 | 0x33, 0x00, 0x66, 0x00, |
| 1934 | 0x33, 0x00, 0x33, 0x00, |
| 1935 | 0x33, 0x00, 0x00, 0x00, |
| 1936 | 0x00, 0xFF, 0xFF, 0x00, |
| 1937 | 0x00, 0xFF, 0xCC, 0x00, |
| 1938 | 0x00, 0xFF, 0x99, 0x00, |
| 1939 | 0x00, 0xFF, 0x66, 0x00, |
| 1940 | 0x00, 0xFF, 0x33, 0x00, |
| 1941 | 0x00, 0xFF, 0x00, 0x00, |
| 1942 | 0x00, 0xCC, 0xFF, 0x00, |
| 1943 | 0x00, 0xCC, 0xCC, 0x00, |
| 1944 | 0x00, 0xCC, 0x99, 0x00, |
| 1945 | 0x00, 0xCC, 0x66, 0x00, |
| 1946 | 0x00, 0xCC, 0x33, 0x00, |
| 1947 | 0x00, 0xCC, 0x00, 0x00, |
| 1948 | 0x00, 0x99, 0xFF, 0x00, |
| 1949 | 0x00, 0x99, 0xCC, 0x00, |
| 1950 | 0x00, 0x99, 0x99, 0x00, |
| 1951 | 0x00, 0x99, 0x66, 0x00, |
| 1952 | 0x00, 0x99, 0x33, 0x00, |
| 1953 | 0x00, 0x99, 0x00, 0x00, |
| 1954 | 0x00, 0x66, 0xFF, 0x00, |
| 1955 | 0x00, 0x66, 0xCC, 0x00, |
| 1956 | 0x00, 0x66, 0x99, 0x00, |
| 1957 | 0x00, 0x66, 0x66, 0x00, |
| 1958 | 0x00, 0x66, 0x33, 0x00, |
| 1959 | 0x00, 0x66, 0x00, 0x00, |
| 1960 | 0x00, 0x33, 0xFF, 0x00, |
| 1961 | 0x00, 0x33, 0xCC, 0x00, |
| 1962 | 0x00, 0x33, 0x99, 0x00, |
| 1963 | 0x00, 0x33, 0x66, 0x00, |
| 1964 | 0x00, 0x33, 0x33, 0x00, |
| 1965 | 0x00, 0x33, 0x00, 0x00, |
| 1966 | 0x00, 0x00, 0xFF, 0x00, |
| 1967 | 0x00, 0x00, 0xCC, 0x00, |
| 1968 | 0x00, 0x00, 0x99, 0x00, |
| 1969 | 0x00, 0x00, 0x66, 0x00, |
| 1970 | 0x00, 0x00, 0x33, 0x00, |
| 1971 | 0xEE, 0x00, 0x00, 0x00, |
| 1972 | 0xDD, 0x00, 0x00, 0x00, |
| 1973 | 0xBB, 0x00, 0x00, 0x00, |
| 1974 | 0xAA, 0x00, 0x00, 0x00, |
| 1975 | 0x88, 0x00, 0x00, 0x00, |
| 1976 | 0x77, 0x00, 0x00, 0x00, |
| 1977 | 0x55, 0x00, 0x00, 0x00, |
| 1978 | 0x44, 0x00, 0x00, 0x00, |
| 1979 | 0x22, 0x00, 0x00, 0x00, |
| 1980 | 0x11, 0x00, 0x00, 0x00, |
| 1981 | 0x00, 0xEE, 0x00, 0x00, |
| 1982 | 0x00, 0xDD, 0x00, 0x00, |
| 1983 | 0x00, 0xBB, 0x00, 0x00, |
| 1984 | 0x00, 0xAA, 0x00, 0x00, |
| 1985 | 0x00, 0x88, 0x00, 0x00, |
| 1986 | 0x00, 0x77, 0x00, 0x00, |
| 1987 | 0x00, 0x55, 0x00, 0x00, |
| 1988 | 0x00, 0x44, 0x00, 0x00, |
| 1989 | 0x00, 0x22, 0x00, 0x00, |
| 1990 | 0x00, 0x11, 0x00, 0x00, |
| 1991 | 0x00, 0x00, 0xEE, 0x00, |
| 1992 | 0x00, 0x00, 0xDD, 0x00, |
| 1993 | 0x00, 0x00, 0xBB, 0x00, |
| 1994 | 0x00, 0x00, 0xAA, 0x00, |
| 1995 | 0x00, 0x00, 0x88, 0x00, |
| 1996 | 0x00, 0x00, 0x77, 0x00, |
| 1997 | 0x00, 0x00, 0x55, 0x00, |
| 1998 | 0x00, 0x00, 0x44, 0x00, |
| 1999 | 0x00, 0x00, 0x22, 0x00, |
| 2000 | 0x00, 0x00, 0x11, 0x00, |
| 2001 | 0xEE, 0xEE, 0xEE, 0x00, |
| 2002 | 0xDD, 0xDD, 0xDD, 0x00, |
| 2003 | 0xBB, 0xBB, 0xBB, 0x00, |
| 2004 | 0xAA, 0xAA, 0xAA, 0x00, |
| 2005 | 0x88, 0x88, 0x88, 0x00, |
| 2006 | 0x77, 0x77, 0x77, 0x00, |
| 2007 | 0x55, 0x55, 0x55, 0x00, |
| 2008 | 0x44, 0x44, 0x44, 0x00, |
| 2009 | 0x22, 0x22, 0x22, 0x00, |
| 2010 | 0x11, 0x11, 0x11, 0x00, |
| 2011 | 0x00, 0x00, 0x00, 0x00 |
| 2012 | ]; |
| 2013 | |
| 2014 | #[cfg(test)] |
| 2015 | mod test { |
| 2016 | use super::*; |
| 2017 | use std::fs::File; |
| 2018 | |
| 2019 | #[test] |
| 2020 | fn test_mov_demux() { |
| 2021 | let mut file = File::open("assets/Indeo/cubes.mov").unwrap(); |
| 2022 | let mut fr = FileReader::new_read(&mut file); |
| 2023 | let mut br = ByteReader::new(&mut fr); |
| 2024 | let mut dmx = MOVDemuxer::new(&mut br); |
| 2025 | let mut sm = StreamManager::new(); |
| 2026 | let mut si = SeekIndex::new(); |
| 2027 | dmx.open(&mut sm, &mut si).unwrap(); |
| 2028 | |
| 2029 | loop { |
| 2030 | let pktres = dmx.get_frame(&mut sm); |
| 2031 | if let Err(e) = pktres { |
| 2032 | if e == DemuxerError::EOF { break; } |
| 2033 | panic!("error"); |
| 2034 | } |
| 2035 | let pkt = pktres.unwrap(); |
| 2036 | println!("Got {}", pkt); |
| 2037 | } |
| 2038 | } |
| 2039 | |
| 2040 | #[test] |
| 2041 | fn test_dash_demux() { |
| 2042 | let mut file = File::open("assets/ITU/dash.m4a").unwrap(); |
| 2043 | let mut fr = FileReader::new_read(&mut file); |
| 2044 | let mut br = ByteReader::new(&mut fr); |
| 2045 | let mut dmx = MOVDemuxer::new(&mut br); |
| 2046 | let mut sm = StreamManager::new(); |
| 2047 | let mut si = SeekIndex::new(); |
| 2048 | dmx.open(&mut sm, &mut si).unwrap(); |
| 2049 | |
| 2050 | loop { |
| 2051 | let pktres = dmx.get_frame(&mut sm); |
| 2052 | if let Err(e) = pktres { |
| 2053 | if e == DemuxerError::EOF { break; } |
| 2054 | panic!("error"); |
| 2055 | } |
| 2056 | let pkt = pktres.unwrap(); |
| 2057 | println!("Got {}", pkt); |
| 2058 | } |
| 2059 | } |
| 2060 | } |