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