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