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