]>
Commit | Line | Data |
---|---|---|
ce52b3b5 | 1 | use super::*; |
5641dccf | 2 | use nihav_core::demuxers::DemuxerError::*; |
ce52b3b5 KS |
3 | use std::io::SeekFrom; |
4 | use std::mem; | |
418bd0b8 | 5 | use std::fmt; |
ce52b3b5 KS |
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 | ||
02cb1e03 KS |
16 | const RM_SIPRO_BLOCK_SIZES: [usize; 4] = [ 29, 19, 37, 20 ]; |
17 | const RM_SIPRO_SWAPS: [[u8; 2]; 38] = [ | |
18 | [ 0, 63 ], [ 1, 22 ], [ 2, 44 ], [ 3, 90 ], | |
19 | [ 5, 81 ], [ 7, 31 ], [ 8, 86 ], [ 9, 58 ], | |
20 | [ 10, 36 ], [ 12, 68 ], [ 13, 39 ], [ 14, 73 ], | |
21 | [ 15, 53 ], [ 16, 69 ], [ 17, 57 ], [ 19, 88 ], | |
22 | [ 20, 34 ], [ 21, 71 ], [ 24, 46 ], [ 25, 94 ], | |
23 | [ 26, 54 ], [ 28, 75 ], [ 29, 50 ], [ 32, 70 ], | |
24 | [ 33, 92 ], [ 35, 74 ], [ 38, 85 ], [ 40, 56 ], | |
25 | [ 42, 87 ], [ 43, 65 ], [ 45, 59 ], [ 48, 79 ], | |
26 | [ 49, 93 ], [ 51, 89 ], [ 55, 95 ], [ 61, 76 ], | |
27 | [ 67, 83 ], [ 77, 80 ] | |
28 | ]; | |
29 | ||
ce52b3b5 KS |
30 | struct RMVideoStream { |
31 | frame: Vec<u8>, | |
32 | hdr_size: usize, | |
33 | frame_size: usize, | |
34 | frame_pos: usize, | |
35 | } | |
36 | ||
37 | impl RMVideoStream { | |
38 | fn new() -> Self { | |
39 | RMVideoStream { | |
40 | frame: Vec::new(), | |
41 | hdr_size: 0, | |
42 | frame_size: 0, | |
43 | frame_pos: 0, | |
44 | } | |
45 | } | |
46 | fn flush(&mut self) { | |
47 | self.frame.truncate(0); | |
48 | self.frame_size = 0; | |
49 | self.frame_pos = 0; | |
50 | } | |
51 | fn start_slice(&mut self, num_slices: usize, frame_size: usize, data: &[u8]) { | |
52 | self.hdr_size = num_slices * 8 + 1; | |
53 | self.frame.resize(frame_size + self.hdr_size, 0); | |
54 | self.frame[0] = (num_slices - 1) as u8; | |
55 | self.frame_pos = 0; | |
56 | self.add_slice(1, data); | |
57 | } | |
58 | fn add_slice(&mut self, slice_no: usize, data: &[u8]) { | |
59 | self.write_slice_info(slice_no); | |
9037cf6b | 60 | let dslice = &mut self.frame[self.hdr_size + self.frame_pos..][..data.len()]; |
ce52b3b5 KS |
61 | dslice.copy_from_slice(data); |
62 | self.frame_pos += data.len(); | |
63 | } | |
64 | fn write_slice_info(&mut self, slice_no: usize) { | |
65 | let off = 1 + (slice_no - 1) * 8; | |
66 | self.frame[off + 0] = 0; | |
67 | self.frame[off + 1] = 0; | |
68 | self.frame[off + 2] = 0; | |
69 | self.frame[off + 3] = 1; | |
70 | self.frame[off + 4] = (self.frame_pos >> 24) as u8; | |
71 | self.frame[off + 5] = (self.frame_pos >> 16) as u8; | |
72 | self.frame[off + 6] = (self.frame_pos >> 8) as u8; | |
73 | self.frame[off + 7] = (self.frame_pos >> 0) as u8; | |
74 | } | |
75 | fn get_frame_data(&mut self) -> Vec<u8> { | |
76 | let mut v: Vec<u8> = Vec::new(); | |
77 | mem::swap(&mut v, &mut self.frame); | |
78 | self.flush(); | |
79 | v | |
80 | } | |
81 | } | |
82 | ||
83 | #[derive(Clone,Copy,PartialEq)] | |
84 | enum Deinterleaver { | |
85 | None, | |
c19ce782 | 86 | RA28_8, |
ce52b3b5 KS |
87 | Generic, |
88 | Sipro, | |
89 | VBR, | |
90 | } | |
91 | ||
92 | struct RMAudioStream { | |
93 | deint: Deinterleaver, | |
c19ce782 | 94 | iinfo: Option<InterleaveInfo>, |
fe07b469 KS |
95 | buf: Vec<u8>, |
96 | sub_packet: usize, | |
ce52b3b5 KS |
97 | } |
98 | ||
c19ce782 KS |
99 | const RM_ILEAVE_INT0: u32 = mktag!(b"Int0"); |
100 | const RM_ILEAVE_INT4: u32 = mktag!(b"Int4"); | |
101 | const RM_ILEAVE_GENR: u32 = mktag!(b"genr"); | |
102 | const RM_ILEAVE_SIPR: u32 = mktag!(b"sipr"); | |
bb149b3b | 103 | const RM_ILEAVE_VBRF: u32 = mktag!(b"vbrf"); |
c19ce782 KS |
104 | const RM_ILEAVE_VBRS: u32 = mktag!(b"vbrs"); |
105 | ||
ce52b3b5 | 106 | impl RMAudioStream { |
c19ce782 KS |
107 | fn new(iinfo: Option<InterleaveInfo>) -> Self { |
108 | let deint; | |
1f4aa1f4 | 109 | let buf: Vec<u8>; |
c19ce782 KS |
110 | if let Some(info) = iinfo { |
111 | deint = match info.id { | |
112 | RM_ILEAVE_INT0 => Deinterleaver::None, | |
113 | RM_ILEAVE_INT4 => Deinterleaver::RA28_8, | |
114 | RM_ILEAVE_GENR => Deinterleaver::Generic, | |
115 | RM_ILEAVE_SIPR => Deinterleaver::Sipro, | |
bb149b3b | 116 | RM_ILEAVE_VBRF => Deinterleaver::VBR, |
c19ce782 KS |
117 | RM_ILEAVE_VBRS => Deinterleaver::VBR, |
118 | _ => {println!("unknown deint {:X}", info.id); Deinterleaver::None }, | |
119 | }; | |
fe07b469 KS |
120 | match deint { |
121 | Deinterleaver::None => { buf = Vec::new(); }, | |
6669c73b KS |
122 | Deinterleaver::RA28_8 | |
123 | Deinterleaver::Generic | | |
124 | Deinterleaver::Sipro => { | |
fe07b469 | 125 | let bsize = (info.frame_size as usize) * (info.factor as usize); |
e07387c7 | 126 | buf = vec![0; bsize]; |
fe07b469 | 127 | }, |
480d951e KS |
128 | Deinterleaver::VBR => { |
129 | buf = Vec::new(); | |
130 | }, | |
fe07b469 | 131 | }; |
c19ce782 KS |
132 | } else { |
133 | deint = Deinterleaver::None; | |
fe07b469 KS |
134 | buf = Vec::new(); |
135 | } | |
e07387c7 | 136 | RMAudioStream { deint, iinfo, buf, sub_packet: 0 } |
fe07b469 | 137 | } |
70910ac3 | 138 | fn read_apackets(&mut self, queued_packets: &mut Vec<NAPacket>, src: &mut ByteReader, stream: NAStreamRef, ts: u32, keyframe: bool, payload_size: usize) -> DemuxerResult<NAPacket> { |
fe07b469 KS |
139 | let (tb_num, tb_den) = stream.get_timebase(); |
140 | let ts = NATimeInfo::new(Some(ts as u64), None, None, tb_num, tb_den); | |
141 | ||
142 | if keyframe { | |
143 | self.sub_packet = 0; | |
144 | } | |
145 | match self.deint { | |
6669c73b | 146 | Deinterleaver::None => { return src.read_packet(stream, ts, keyframe, payload_size); }, |
fe07b469 KS |
147 | Deinterleaver::RA28_8 => { |
148 | let iinfo = self.iinfo.unwrap(); | |
149 | let factor = iinfo.factor as usize; | |
150 | let halffact = factor >> 1; | |
151 | let fsize = iinfo.frame_size as usize; | |
152 | let bsize = iinfo.block_size as usize; | |
153 | let ppos = self.sub_packet; | |
154 | for sb in 0..halffact { | |
155 | let mut dst = &mut self.buf[sb * 2 * fsize + ppos * bsize..][..bsize]; | |
156 | src.read_buf(&mut dst)?; | |
157 | } | |
158 | self.sub_packet += 1; | |
159 | if self.sub_packet == factor { | |
160 | self.sub_packet = 0; | |
6669c73b | 161 | return Ok(NAPacket::new(stream, ts, true, self.buf.clone())); |
fe07b469 | 162 | } else { |
6669c73b | 163 | return Err(DemuxerError::TryAgain); |
fe07b469 KS |
164 | } |
165 | }, | |
6669c73b KS |
166 | Deinterleaver::Generic => { |
167 | let iinfo = self.iinfo.unwrap(); | |
168 | let factor = iinfo.factor as usize; | |
169 | let fsize = iinfo.frame_size as usize; | |
170 | let bsize = iinfo.block_size as usize; | |
171 | let factor2 = fsize / bsize; | |
172 | let ppos = self.sub_packet; | |
173 | ||
174 | for sb in 0..factor2 { | |
175 | let sb_pos = factor * sb + ((factor + 1) >> 1) * (ppos & 1) + (ppos >> 1); | |
176 | let mut dst = &mut self.buf[bsize * sb_pos..][..bsize]; | |
177 | src.read_buf(&mut dst)?; | |
178 | } | |
179 | }, | |
180 | Deinterleaver::Sipro => { | |
181 | let iinfo = self.iinfo.unwrap(); | |
182 | let fsize = iinfo.frame_size as usize; | |
183 | let ppos = self.sub_packet; | |
184 | ||
185 | let mut dst = &mut self.buf[fsize * ppos..][..fsize]; | |
186 | src.read_buf(&mut dst)?; | |
187 | }, | |
480d951e KS |
188 | Deinterleaver::VBR => { |
189 | validate!(payload_size >= 5); | |
190 | let hdrsizesize = src.read_u16be()?; | |
191 | let num_entries = (hdrsizesize / 16) as usize; | |
192 | validate!(payload_size >= num_entries * 3 + 2); | |
193 | let mut sizes: Vec<usize> = Vec::with_capacity(num_entries); | |
194 | let mut tot_size = 0; | |
195 | for _ in 0..num_entries { | |
196 | let sz = src.read_u16be()? as usize; | |
197 | tot_size += sz; | |
198 | sizes.push(sz); | |
199 | } | |
200 | validate!(tot_size + num_entries * 2 + 2 == payload_size); | |
201 | let pkt_ts = NATimeInfo::new(None, None, None, tb_num, tb_den); | |
202 | let mut first = true; | |
203 | for size in sizes.iter() { | |
204 | let cur_ts = if first { ts } else { pkt_ts }; | |
205 | first = false; | |
206 | let pkt = src.read_packet(stream.clone(), cur_ts, true, *size)?; | |
207 | queued_packets.push(pkt); | |
208 | } | |
209 | queued_packets.reverse(); | |
210 | let pkt0 = queued_packets.pop().unwrap(); | |
211 | return Ok(pkt0); | |
212 | }, | |
6669c73b KS |
213 | }; |
214 | ||
215 | let iinfo = self.iinfo.unwrap(); | |
216 | let factor = iinfo.factor as usize; | |
5dfd175c | 217 | let fsize = if iinfo.block_size != 0 { iinfo.block_size } else { iinfo.frame_size } as usize; |
6669c73b KS |
218 | |
219 | self.sub_packet += 1; | |
220 | if self.sub_packet < factor { | |
221 | return Err(DemuxerError::TryAgain); | |
222 | } | |
223 | ||
224 | self.sub_packet = 0; | |
225 | ||
226 | if self.deint == Deinterleaver::Sipro { | |
76c275c9 | 227 | sipro_restore(&mut self.buf, factor, iinfo.frame_size as usize); |
6669c73b KS |
228 | } |
229 | ||
230 | let mut frames_iter = self.buf.chunks(fsize); | |
231 | let pkt0 = frames_iter.next().unwrap(); | |
232 | ||
233 | let pkt_ts = NATimeInfo::new(None, None, None, tb_num, tb_den); | |
234 | for pkts in frames_iter { | |
235 | let pkt = NAPacket::new(stream.clone(), pkt_ts, true, pkts.to_vec()); | |
236 | queued_packets.push(pkt); | |
c19ce782 | 237 | } |
6669c73b KS |
238 | queued_packets.reverse(); |
239 | Ok(NAPacket::new(stream, ts, true, pkt0.to_vec())) | |
ce52b3b5 KS |
240 | } |
241 | } | |
242 | ||
02cb1e03 KS |
243 | fn sipro_restore(buf: &mut [u8], factor: usize, fsize: usize) { |
244 | let stride = factor * fsize * 2 / 96; | |
245 | for i in 0..38 { | |
246 | let mut sidx = (RM_SIPRO_SWAPS[i][0] as usize) * stride; | |
247 | let mut didx = (RM_SIPRO_SWAPS[i][1] as usize) * stride; | |
248 | for _ in 0..stride { | |
249 | let in0 = buf[sidx >> 1]; | |
250 | let in1 = buf[didx >> 1]; | |
251 | let nib0 = (in0 >> ((sidx & 1) * 4)) & 0xF; | |
252 | let nib1 = (in1 >> ((didx & 1) * 4)) & 0xF; | |
253 | ||
254 | buf[didx >> 1] = (nib0 << (4 * (didx & 1))) | (in1 & (0xF << (4 * (!didx & 1)))); | |
255 | buf[sidx >> 1] = (nib1 << (4 * (sidx & 1))) | (in0 & (0xF << (4 * (!sidx & 1)))); | |
256 | ||
257 | sidx += 1; | |
258 | didx += 1; | |
259 | } | |
260 | } | |
261 | } | |
262 | ||
d4df9ee1 KS |
263 | struct SubstreamInfo { |
264 | id: u32, | |
265 | map: Vec<u16>, | |
266 | str_ids: Vec<u32>, | |
267 | } | |
268 | ||
269 | struct MLTIMapper { | |
270 | sub_info: Vec<SubstreamInfo>, | |
418bd0b8 | 271 | sstr_id: u32, |
d4df9ee1 KS |
272 | } |
273 | ||
274 | impl MLTIMapper { | |
275 | fn new() -> Self { | |
276 | MLTIMapper { | |
277 | sub_info: Vec::new(), | |
418bd0b8 | 278 | sstr_id: 0x10000, |
d4df9ee1 KS |
279 | } |
280 | } | |
281 | fn add_stream(&mut self, stream_no: u32) { | |
282 | let ssinfo = SubstreamInfo { id: stream_no, map: Vec::new(), str_ids: Vec::new() }; | |
283 | self.sub_info.push(ssinfo); | |
284 | } | |
418bd0b8 KS |
285 | fn get_substream_no(&self) -> u32 { |
286 | self.sstr_id - 1 | |
287 | } | |
d4df9ee1 KS |
288 | fn find_idx(&self, stream_no: u32) -> Option<usize> { |
289 | self.sub_info.iter().position(|x| x.id == stream_no) | |
290 | } | |
418bd0b8 KS |
291 | fn add_map_rule(&mut self, map_ss: u16) { |
292 | let idx = self.sub_info.len() - 1; | |
d4df9ee1 KS |
293 | self.sub_info[idx].map.push(map_ss); |
294 | } | |
418bd0b8 KS |
295 | fn add_substream(&mut self) { |
296 | let idx = self.sub_info.len() - 1; | |
297 | self.sub_info[idx].str_ids.push(self.sstr_id); | |
298 | self.sstr_id += 1; | |
d4df9ee1 KS |
299 | } |
300 | fn is_mlti_stream(&self, stream_no: u32) -> bool { | |
301 | self.find_idx(stream_no).is_some() | |
302 | } | |
303 | fn find_substream(&self, stream_no: u32, grp: u16) -> Option<u32> { | |
304 | if let Some(idx) = self.find_idx(stream_no) { | |
305 | if (grp as usize) < self.sub_info[idx].map.len() { | |
306 | let sub_id = self.sub_info[idx].map[grp as usize] as usize; | |
307 | if sub_id < self.sub_info[idx].str_ids.len() { | |
308 | return Some(self.sub_info[idx].str_ids[sub_id]); | |
309 | } | |
310 | } | |
311 | } | |
312 | None | |
313 | } | |
314 | } | |
315 | ||
ce52b3b5 KS |
316 | enum RMStreamType { |
317 | Audio(RMAudioStream), | |
318 | Video(RMVideoStream), | |
319 | Logical, | |
320 | Unknown, | |
321 | } | |
322 | ||
418bd0b8 KS |
323 | struct CommonStreamData { |
324 | streams: Vec<RMStreamType>, | |
325 | str_ids: Vec<u32>, | |
326 | mlti_mapper: MLTIMapper, | |
327 | } | |
328 | ||
329 | impl CommonStreamData { | |
330 | fn new() -> Self { | |
331 | CommonStreamData { | |
332 | streams: Vec::new(), | |
333 | str_ids: Vec::new(), | |
334 | mlti_mapper: MLTIMapper::new(), | |
335 | } | |
336 | } | |
337 | fn get_stream_id(&self, str_no: u32, pkt_grp: u16) -> u32 { | |
338 | if !self.mlti_mapper.is_mlti_stream(str_no) { | |
339 | str_no | |
340 | } else { | |
341 | self.mlti_mapper.find_substream(str_no, pkt_grp).unwrap() | |
342 | } | |
343 | } | |
344 | fn find_stream(&self, stream_id: u32) -> Option<usize> { | |
345 | self.str_ids.iter().position(|x| *x == stream_id) | |
346 | } | |
347 | } | |
348 | ||
ce52b3b5 KS |
349 | struct RealMediaDemuxer<'a> { |
350 | src: &'a mut ByteReader<'a>, | |
351 | data_pos: u64, | |
cdcbaa6c | 352 | data_end: u64, |
770bef6f | 353 | next_data: u64, |
db5cc44b | 354 | data_ver: u16, |
ce52b3b5 KS |
355 | num_packets: u32, |
356 | cur_packet: u32, | |
357 | ||
418bd0b8 | 358 | str_data: CommonStreamData, |
ce52b3b5 | 359 | |
cdcbaa6c KS |
360 | data_chunks: Vec<(u64, u32, u16)>, |
361 | cur_data_chunk: usize, | |
362 | ||
ce52b3b5 KS |
363 | queued_pkts: Vec<NAPacket>, |
364 | slice_buf: Vec<u8>, | |
365 | } | |
366 | ||
367 | fn find_codec_name(registry: &[(&[u8;4], &'static str)], fcc: u32) -> &'static str { | |
368 | for &(fourcc, name) in registry { | |
369 | if mktag!(fourcc) == fcc { return name; } | |
370 | } | |
371 | "unknown" | |
372 | } | |
373 | ||
374 | fn read_14or30(src: &mut ByteReader) -> DemuxerResult<(bool, u32)> { | |
375 | let tmp = src.read_u16be()?; | |
376 | let flag = (tmp & 0x8000) != 0; | |
377 | if (tmp & 0x4000) == 0x4000 { | |
378 | Ok((flag, ((tmp & 0x3FFF) as u32))) | |
379 | } else { | |
380 | let val = ((tmp as u32) << 16) | (src.read_u16be()? as u32); | |
381 | Ok((flag, val & 0x3FFFFFFF)) | |
382 | } | |
383 | } | |
384 | ||
70910ac3 | 385 | fn read_video_buf(src: &mut ByteReader, stream: NAStreamRef, ts: u32, keyframe: bool, frame_size: usize) -> DemuxerResult<NAPacket> { |
ce52b3b5 | 386 | let size = (frame_size as usize) + 9; |
e07387c7 | 387 | let mut vec: Vec<u8> = vec![0; size]; |
ce52b3b5 KS |
388 | //v[0] = 0; // 1 slice |
389 | vec[4] = 1; | |
390 | src.read_buf(&mut vec[9..])?; | |
391 | ||
392 | let (tb_num, tb_den) = stream.get_timebase(); | |
393 | let ts = NATimeInfo::new(Some(ts as u64), None, None, tb_num, tb_den); | |
394 | Ok(NAPacket::new(stream, ts, keyframe, vec)) | |
395 | } | |
396 | ||
70910ac3 | 397 | fn read_multiple_frame(src: &mut ByteReader, stream: NAStreamRef, keyframe: bool, skip_mtype: bool) -> DemuxerResult<NAPacket> { |
ce52b3b5 KS |
398 | if !skip_mtype { |
399 | let mtype = src.read_byte()?; | |
400 | validate!(mtype == 0xC0); | |
401 | } | |
402 | let (_, frame_size) = read_14or30(src)?; | |
403 | let (_, timestamp) = read_14or30(src)?; | |
c9aba47e KS |
404 | let _seq_no = src.read_byte()?; |
405 | //println!(" multiple frame size {} ts {} seq {}", frame_size, timestamp, seq_no); | |
ce52b3b5 KS |
406 | |
407 | read_video_buf(src, stream, timestamp, keyframe, frame_size as usize) | |
408 | } | |
409 | ||
418bd0b8 KS |
410 | struct RMDemuxCommon {} |
411 | ||
412 | impl RMDemuxCommon { | |
413 | fn parse_stream_info(str_data: &mut CommonStreamData, strmgr: &mut StreamManager, stream_no: u32, edata: &Vec<u8>) -> DemuxerResult<bool> { | |
414 | let mut is_mlti = false; | |
415 | let mut mr = MemoryReader::new_read(edata.as_slice()); | |
416 | let mut src = ByteReader::new(&mut mr); | |
417 | let tag = src.read_u32be()?; | |
418 | let tag2 = src.peek_u32be()?; | |
419 | //println!("tag1 {:X} tag2 {:X}", tag, tag2); | |
420 | if tag == mktag!('.', 'r', 'a', 0xFD) { | |
421 | Self::parse_audio_stream(strmgr, &mut str_data.streams, stream_no, &mut src, edata.as_slice())?; | |
422 | } else if ((tag2 == mktag!('V', 'I', 'D', 'O')) || (tag2 == mktag!('I', 'M', 'A', 'G'))) && ((tag as usize) <= edata.len()) { | |
423 | Self::parse_video_stream(strmgr, &mut str_data.streams, stream_no, &mut src, edata.as_slice(), tag2)?; | |
424 | } else if tag == mktag!(b"LSD:") { | |
e07387c7 | 425 | let extradata = Some(edata.to_owned()); |
418bd0b8 KS |
426 | |
427 | src.read_skip(4)?; //version | |
428 | let channels = src.read_u16be()?; | |
429 | let samp_size = src.read_u16be()?; | |
430 | let sample_rate = src.read_u32be()?; | |
431 | ||
432 | println!("LSD sr {}, {} ch", sample_rate, channels); | |
433 | let soniton = NASoniton::new(samp_size as u8, SONITON_FLAG_SIGNED); | |
434 | let ahdr = NAAudioInfo::new(sample_rate, channels as u8, soniton, 1); | |
435 | let nainfo = NACodecInfo::new("ralf", NACodecTypeInfo::Audio(ahdr), extradata); | |
59dc9182 | 436 | let res = strmgr.add_stream(NAStream::new(StreamType::Audio, stream_no as u32, nainfo, 1, 1000)); |
418bd0b8 KS |
437 | if res.is_none() { return Err(MemoryError); } |
438 | let astr = RMAudioStream::new(None); | |
439 | str_data.streams.push(RMStreamType::Audio(astr)); | |
440 | } else if tag == mktag!(b"MLTI") { | |
441 | is_mlti = true; | |
442 | let num_rules = src.read_u16be()? as usize; | |
443 | let mut max_sub = 0; | |
444 | str_data.mlti_mapper.add_stream(stream_no); | |
445 | for _ in 0..num_rules { | |
446 | let substr = src.read_u16be()?; | |
447 | max_sub = max_sub.max(substr); | |
448 | str_data.mlti_mapper.add_map_rule(substr); | |
449 | } | |
450 | let num_substreams = src.read_u16be()? as usize; | |
451 | validate!(num_substreams > (max_sub as usize)); | |
452 | for _ in 0..num_substreams { | |
453 | let hdr_size = src.read_u32be()? as usize; | |
454 | validate!(hdr_size > 8); | |
455 | let pos = src.tell() as usize; | |
456 | src.read_skip(hdr_size)?; | |
457 | str_data.mlti_mapper.add_substream(); | |
458 | { | |
459 | let hdrsrc = &edata[pos..][..hdr_size]; | |
460 | let mut mr = MemoryReader::new_read(hdrsrc); | |
461 | let mut hsrc = ByteReader::new(&mut mr); | |
462 | ||
463 | let tag = hsrc.read_u32be()?; | |
464 | let tag2 = hsrc.peek_u32be()?; | |
465 | let stream_no = str_data.mlti_mapper.get_substream_no(); | |
466 | //todo check that all substreams are of the same type"); | |
467 | if tag == mktag!('.', 'r', 'a', 0xFD) { | |
468 | Self::parse_audio_stream(strmgr, &mut str_data.streams, stream_no, &mut hsrc, hdrsrc)?; | |
469 | } else if (tag2 == mktag!('V', 'I', 'D', 'O')) && ((tag as usize) <= hdr_size) { | |
470 | Self::parse_video_stream(strmgr, &mut str_data.streams, stream_no, &mut hsrc, hdrsrc, tag2)?; | |
471 | } else { | |
472 | println!("unknown MLTI substream {:08X} / {:08X}", tag, tag2); | |
473 | return Err(DemuxerError::InvalidData); | |
474 | } | |
475 | str_data.str_ids.push(stream_no); | |
476 | } | |
477 | } | |
478 | } else { | |
479 | str_data.streams.push(RMStreamType::Logical); | |
480 | } | |
481 | Ok(is_mlti) | |
482 | } | |
483 | fn parse_audio_stream(strmgr: &mut StreamManager, streams: &mut Vec<RMStreamType>, stream_no: u32, src: &mut ByteReader, edata_: &[u8]) -> DemuxerResult<()> { | |
484 | let ver = src.read_u16be()?; | |
485 | let ainfo = match ver { | |
486 | 3 => { | |
487 | parse_aformat3(src)? | |
488 | }, | |
489 | 4 => { | |
490 | parse_aformat4(src)? | |
491 | }, | |
492 | 5 => { | |
493 | parse_aformat5(src)? | |
494 | }, | |
495 | _ => { | |
496 | println!("unknown version {}", ver); | |
497 | return Err(DemuxerError::InvalidData); | |
498 | }, | |
499 | }; | |
500 | println!(" got ainfo {:?}", ainfo); | |
501 | let cname = find_codec_name(RM_AUDIO_CODEC_REGISTER, ainfo.fcc); | |
502 | let blk_size = if ainfo.fcc != mktag!(b"sipr") { | |
503 | ainfo.granularity as usize | |
504 | } else { | |
505 | validate!(ainfo.flavor <= 3); | |
506 | RM_SIPRO_BLOCK_SIZES[ainfo.flavor as usize] | |
507 | }; | |
508 | let srate = ainfo.sample_rate; | |
509 | let soniton = NASoniton::new(ainfo.sample_size as u8, SONITON_FLAG_SIGNED); | |
510 | let ahdr = NAAudioInfo::new(srate, ainfo.channels as u8, soniton, blk_size); | |
511 | let extradata = if ainfo.edata_size == 0 { | |
512 | None | |
513 | } else { | |
514 | let eslice = &edata_[(src.tell() as usize)..]; | |
515 | Some(eslice.to_vec()) | |
516 | }; | |
517 | let nainfo = NACodecInfo::new(cname, NACodecTypeInfo::Audio(ahdr), extradata); | |
59dc9182 | 518 | let res = strmgr.add_stream(NAStream::new(StreamType::Audio, stream_no as u32, nainfo, 1, 1000)); |
418bd0b8 KS |
519 | if res.is_none() { return Err(MemoryError); } |
520 | ||
521 | let astr = RMAudioStream::new(ainfo.ileave_info); | |
522 | streams.push(RMStreamType::Audio(astr)); | |
523 | Ok(()) | |
524 | } | |
525 | #[allow(unused_variables)] | |
526 | fn parse_video_stream(strmgr: &mut StreamManager, streams: &mut Vec<RMStreamType>, stream_no: u32, src: &mut ByteReader, edata_: &[u8], tag2: u32) -> DemuxerResult<()> { | |
527 | src.read_skip(4)?; | |
528 | let fcc = src.read_u32be()?; | |
529 | let width = src.read_u16be()? as usize; | |
530 | let height = src.read_u16be()? as usize; | |
531 | let bpp = src.read_u16be()?; | |
532 | let pad_w = src.read_u16be()?; | |
533 | let pad_h = src.read_u16be()?; | |
59dc9182 | 534 | let _fps; |
418bd0b8 | 535 | if tag2 == mktag!('V', 'I', 'D', 'O') { |
59dc9182 | 536 | _fps = src.read_u32be()?; |
418bd0b8 | 537 | } else { |
59dc9182 | 538 | _fps = 0x10000; |
418bd0b8 KS |
539 | } |
540 | let extradata: Option<Vec<u8>>; | |
541 | if src.left() > 0 { | |
542 | let eslice = &edata_[(src.tell() as usize)..]; | |
543 | extradata = Some(eslice.to_vec()); | |
544 | } else { | |
545 | extradata = None; | |
546 | } | |
547 | let cname = find_codec_name(RM_VIDEO_CODEC_REGISTER, fcc); | |
548 | ||
549 | let vhdr = NAVideoInfo::new(width, height, false, RGB24_FORMAT); | |
550 | let vinfo = NACodecInfo::new(cname, NACodecTypeInfo::Video(vhdr), extradata); | |
59dc9182 | 551 | let res = strmgr.add_stream(NAStream::new(StreamType::Video, stream_no as u32, vinfo, 1, 1000)); |
418bd0b8 KS |
552 | if res.is_none() { return Err(DemuxerError::MemoryError); } |
553 | ||
554 | let vstr = RMVideoStream::new(); | |
555 | streams.push(RMStreamType::Video(vstr)); | |
556 | Ok(()) | |
557 | } | |
558 | #[allow(unused_variables)] | |
70910ac3 | 559 | 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> { |
418bd0b8 KS |
560 | match rmstream { |
561 | RMStreamType::Video(ref mut vstr) => { | |
562 | ||
563 | let pos = src.tell(); | |
564 | let b0 = src.read_byte()?; | |
565 | match b0 >> 6 { | |
566 | 0 => { // partial frame | |
567 | let b1 = src.read_byte()?; | |
568 | let hdr1 = ((b0 as u16) << 8) | (b1 as u16); | |
569 | let num_pkts = ((hdr1 >> 7) & 0x7F) as usize; | |
570 | let packet_num = hdr1 & 0x7F; | |
571 | let (_, frame_size) = read_14or30(src)?; | |
572 | let (_, off) = read_14or30(src)?; | |
573 | let seq_no = src.read_byte()?; | |
574 | //println!(" mode 0 pkt {}/{} off {}/{} seq {}", packet_num, num_pkts, off, frame_size, seq_no); | |
575 | let hdr_skip = (src.tell() - pos) as usize; | |
576 | ||
577 | let slice_size = (payload_size - hdr_skip) as usize; | |
578 | slice_buf.resize(slice_size, 0); | |
579 | src.read_buf(slice_buf.as_mut_slice())?; | |
580 | if packet_num == 1 { | |
581 | vstr.start_slice(num_pkts, frame_size as usize, slice_buf.as_slice()); | |
582 | } else { | |
583 | vstr.add_slice(packet_num as usize, slice_buf.as_slice()); | |
584 | } | |
585 | if (packet_num as usize) < num_pkts { | |
586 | return Err(DemuxerError::TryAgain); | |
587 | } | |
588 | //todo: check if full frame is received | |
589 | let (tb_num, tb_den) = stream.get_timebase(); | |
590 | let ts = NATimeInfo::new(Some(ts as u64), None, None, tb_num, tb_den); | |
591 | let pkt = NAPacket::new(stream, ts, keyframe, vstr.get_frame_data()); | |
592 | Ok(pkt) | |
593 | }, | |
594 | 1 => { // whole frame | |
595 | let seq_no = src.read_byte()?; | |
596 | //println!(" mode 1 seq {}", seq_no); | |
597 | read_video_buf(src, stream, ts, keyframe, payload_size - 2) | |
598 | }, | |
599 | 2 => { // last partial frame | |
600 | let b1 = src.read_byte()?; | |
601 | let hdr1 = ((b0 as u16) << 8) | (b1 as u16); | |
602 | let num_pkts = ((hdr1 >> 7) & 0x7F) as usize; | |
603 | let packet_num = hdr1 & 0x7F; | |
604 | let (_, frame_size) = read_14or30(src)?; | |
605 | let (_, tail_size) = read_14or30(src)?; | |
606 | let seq_no = src.read_byte()?; | |
607 | //println!(" mode 2 pkt {}/{} tail {}/{} seq {}", packet_num, num_pkts, tail_size, frame_size, seq_no); | |
608 | slice_buf.resize(tail_size as usize, 0); | |
609 | src.read_buf(slice_buf.as_mut_slice())?; | |
610 | if packet_num == 1 && frame_size == tail_size { | |
611 | vstr.start_slice(num_pkts, frame_size as usize, slice_buf.as_slice()); | |
612 | } else { | |
613 | vstr.add_slice(packet_num as usize, slice_buf.as_slice()); | |
614 | } | |
615 | ||
616 | while src.tell() < pos + (payload_size as u64) { | |
617 | let res = read_multiple_frame(src, stream.clone(), false, false); | |
618 | if res.is_err() { break; } | |
619 | queued_pkts.push(res.unwrap()); | |
620 | } | |
621 | queued_pkts.reverse(); | |
622 | let (tb_num, tb_den) = stream.get_timebase(); | |
623 | let ts = NATimeInfo::new(Some(ts as u64), None, None, tb_num, tb_den); | |
624 | let pkt = NAPacket::new(stream, ts, keyframe, vstr.get_frame_data()); | |
625 | Ok(pkt) | |
626 | }, | |
627 | _ => { // multiple frames | |
628 | //println!(" mode 3"); | |
629 | let res = read_multiple_frame(src, stream.clone(), keyframe, true); | |
630 | if res.is_err() { return res; } | |
631 | while src.tell() < pos + (payload_size as u64) { | |
632 | let res = read_multiple_frame(src, stream.clone(), false, false); | |
633 | if res.is_err() { break; } | |
634 | queued_pkts.push(res.unwrap()); | |
635 | } | |
636 | queued_pkts.reverse(); | |
637 | res | |
638 | }, | |
639 | } | |
640 | }, | |
641 | RMStreamType::Audio(ref mut astr) => { | |
642 | astr.read_apackets(queued_pkts, src, stream, ts, keyframe, payload_size) | |
643 | }, | |
644 | _ => { | |
645 | src.read_skip(payload_size)?; | |
646 | Err(DemuxerError::InvalidData) | |
647 | }, | |
648 | } | |
649 | } | |
650 | } | |
651 | ||
ce52b3b5 | 652 | impl<'a> DemuxCore<'a> for RealMediaDemuxer<'a> { |
cdcbaa6c KS |
653 | fn open(&mut self, strmgr: &mut StreamManager, seek_idx: &mut SeekIndex) -> DemuxerResult<()> { |
654 | self.read_header(strmgr, seek_idx)?; | |
ce52b3b5 KS |
655 | Ok(()) |
656 | } | |
657 | ||
658 | #[allow(unused_variables)] | |
659 | fn get_frame(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<NAPacket> { | |
660 | if !self.queued_pkts.is_empty() { | |
661 | let pkt = self.queued_pkts.pop().unwrap(); | |
662 | return Ok(pkt); | |
663 | } | |
664 | loop { | |
cdcbaa6c KS |
665 | if (self.cur_packet >= self.num_packets) || (self.src.tell() >= self.data_end) { |
666 | self.cur_data_chunk += 1; | |
667 | if self.cur_data_chunk < self.data_chunks.len() { | |
668 | let (pos, _, _) = self.data_chunks[self.cur_data_chunk]; | |
669 | self.src.seek(SeekFrom::Start(pos))?; | |
770bef6f KS |
670 | let res = read_chunk(self.src); |
671 | if let Ok((id, size, ver)) = res { | |
672 | self.data_pos = self.src.tell(); | |
673 | self.data_ver = ver; | |
cdcbaa6c | 674 | self.data_end = self.data_pos + (size as u64); |
770bef6f KS |
675 | if self.parse_data_start().is_ok() { |
676 | continue; | |
677 | } | |
678 | } | |
679 | } | |
680 | return Err(DemuxerError::EOF); | |
681 | } | |
ce52b3b5 KS |
682 | |
683 | let pkt_start = self.src.tell(); | |
7348405b | 684 | let ver = self.src.read_u16be()?; |
ce52b3b5 KS |
685 | validate!(ver <= 1); |
686 | let len = self.src.read_u16be()? as usize; | |
d4df9ee1 | 687 | let str_no = self.src.read_u16be()? as u32; |
ce52b3b5 | 688 | let ts = self.src.read_u32be()?; |
d4df9ee1 | 689 | let pkt_grp; |
770bef6f | 690 | let flags; |
ce52b3b5 | 691 | if ver == 0 { |
d4df9ee1 | 692 | pkt_grp = self.src.read_byte()? as u16; |
770bef6f | 693 | flags = self.src.read_byte()?; |
ce52b3b5 | 694 | } else { |
7348405b | 695 | //asm_rule = self.src.read_u16be()?; |
d4df9ee1 | 696 | //asm_flags = self.src.read_byte()?; |
ce52b3b5 | 697 | self.src.read_skip(2)?; |
d4df9ee1 | 698 | pkt_grp = 0; |
770bef6f KS |
699 | self.src.read_skip(1)?; |
700 | flags = 0; | |
ce52b3b5 | 701 | } |
ce52b3b5 | 702 | let hdr_size = self.src.tell() - pkt_start; |
d4df9ee1 | 703 | //println!("packet @{:X} size {} for {} ts {} grp {} flags {:X}", pkt_start, len, str_no, ts, pkt_grp, flags); |
ce52b3b5 KS |
704 | self.cur_packet += 1; |
705 | ||
706 | let payload_size = len - (hdr_size as usize); | |
707 | ||
418bd0b8 KS |
708 | let stream_id = self.str_data.get_stream_id(str_no as u32, pkt_grp); |
709 | let sr = self.str_data.find_stream(stream_id); | |
ce52b3b5 | 710 | if sr.is_none() { |
c9aba47e | 711 | //println!("stream {} not found", str_no); |
ce52b3b5 KS |
712 | self.src.read_skip(payload_size)?; |
713 | return Err(DemuxerError::InvalidData); | |
714 | } | |
715 | let str_id = sr.unwrap(); | |
d4df9ee1 KS |
716 | |
717 | let streamres = strmgr.get_stream_by_id(stream_id); | |
c9aba47e KS |
718 | if streamres.is_none() { |
719 | self.src.read_skip(payload_size)?; | |
720 | continue; | |
721 | } | |
722 | let stream = streamres.unwrap(); | |
723 | //println!(" stream {}", str_id); | |
d4df9ee1 | 724 | if strmgr.is_ignored_id(stream_id) { |
ce52b3b5 KS |
725 | self.src.read_skip(payload_size)?; |
726 | continue; | |
727 | } | |
728 | //todo skip unwanted packet | |
729 | let keyframe = (flags & KEYFRAME_FLAG) != 0; | |
730 | ||
418bd0b8 KS |
731 | let ret = RMDemuxCommon::parse_packet_payload(&mut self.src, &mut self.str_data.streams[str_id], stream, &mut self.slice_buf, &mut self.queued_pkts, keyframe, ts, payload_size); |
732 | if let Err(DemuxerError::TryAgain) = ret { | |
733 | continue; | |
734 | } else { | |
735 | return ret; | |
736 | } | |
ce52b3b5 KS |
737 | } |
738 | } | |
739 | ||
740 | #[allow(unused_variables)] | |
33b5a8f0 | 741 | fn seek(&mut self, time: u64, seek_idx: &SeekIndex) -> DemuxerResult<()> { |
cdcbaa6c KS |
742 | self.queued_pkts.clear(); |
743 | let ret = seek_idx.find_pos(time); | |
744 | if ret.is_none() { | |
745 | return Err(DemuxerError::SeekError); | |
746 | } | |
747 | let ret = ret.unwrap(); | |
748 | let seek_pos = ret.pos; | |
749 | for (pos, size, ver) in self.data_chunks.iter() { | |
750 | if seek_pos < *pos { continue; } | |
751 | let end = *pos + (*size as u64); | |
752 | if seek_pos < end { | |
753 | self.cur_packet = 0; | |
754 | self.data_pos = seek_pos; | |
755 | self.data_ver = *ver; | |
756 | self.data_end = end; | |
757 | self.src.seek(SeekFrom::Start(seek_pos))?; | |
758 | return Ok(()); | |
759 | } | |
760 | } | |
761 | Err(DemuxerError::SeekError) | |
ce52b3b5 KS |
762 | } |
763 | } | |
764 | ||
765 | fn read_chunk(src: &mut ByteReader) -> DemuxerResult<(u32, u32, u16)> { | |
766 | let id = src.read_u32be()?; | |
6132225f | 767 | if id == 0 { return Ok((0, 0, 0)); } |
ce52b3b5 | 768 | let size = src.read_u32be()?; |
9f45e528 KS |
769 | if size == 0 { |
770 | let ver = src.read_u16be()?; | |
db5cc44b | 771 | validate!(ver <= 2); |
9f45e528 KS |
772 | return Ok((id, 0x0FFFFFFF, ver)); |
773 | } | |
ce52b3b5 KS |
774 | validate!(size >= 10); |
775 | let ver = src.read_u16be()?; | |
db5cc44b | 776 | validate!(ver <= 2); |
ce52b3b5 KS |
777 | Ok((id, size, ver)) |
778 | } | |
779 | ||
c19ce782 KS |
780 | #[derive(Clone,Copy,Debug)] |
781 | struct InterleaveInfo { | |
782 | id: u32, | |
783 | factor: u16, | |
784 | block_size: u16, | |
785 | frame_size: u16, | |
786 | } | |
787 | ||
788 | #[derive(Clone,Copy,Debug)] | |
789 | struct RealAudioInfo { | |
790 | fcc: u32, | |
791 | sample_rate: u32, | |
792 | sample_size: u16, | |
02cb1e03 | 793 | flavor: u16, |
c19ce782 KS |
794 | channels: u16, |
795 | channel_mask: u32, | |
796 | granularity: u32, | |
797 | bytes_per_minute: u32, | |
798 | total_bytes: u32, | |
799 | edata_size: u32, | |
800 | ileave_info: Option<InterleaveInfo> | |
801 | } | |
802 | ||
803 | fn skip_ra_metadata(src: &mut ByteReader) -> DemuxerResult<()> { | |
804 | let title_len = src.read_byte()? as usize; | |
805 | src.read_skip(title_len)?; | |
806 | let author_len = src.read_byte()? as usize; | |
807 | src.read_skip(author_len)?; | |
808 | let copywrong_len = src.read_byte()? as usize; | |
809 | src.read_skip(copywrong_len)?; | |
810 | let comment_len = src.read_byte()? as usize; | |
811 | src.read_skip(comment_len)?; | |
812 | Ok(()) | |
813 | } | |
814 | ||
815 | #[allow(unused_variables)] | |
816 | fn parse_aformat3(src: &mut ByteReader) -> DemuxerResult<RealAudioInfo> { | |
817 | let start = src.tell(); | |
818 | let header_len = src.read_u16be()?; | |
819 | validate!(header_len >= 24); | |
820 | let flavor = src.read_u16be()?; | |
821 | let granularity = src.read_u32be()?; | |
822 | let bytes_per_minute = src.read_u32be()?; | |
823 | let total_bytes = src.read_u32be()?; | |
824 | ||
825 | skip_ra_metadata(src)?; | |
826 | ||
827 | let _can_copy = src.read_byte()?; | |
828 | let fcc_len = src.read_byte()?; | |
829 | validate!(fcc_len == 4); | |
830 | let fcc = src.read_u32be()?; | |
831 | ||
832 | let end = src.tell(); | |
833 | validate!(end - start <= (header_len as u64) + 2); | |
834 | ||
835 | Ok(RealAudioInfo { | |
e07387c7 | 836 | fcc, flavor, |
02cb1e03 | 837 | sample_rate: 8000, sample_size: 16, channels: 1, channel_mask: 0, |
e07387c7 KS |
838 | granularity, bytes_per_minute, |
839 | total_bytes, edata_size: 0, | |
c19ce782 KS |
840 | ileave_info: None, |
841 | }) | |
842 | } | |
843 | ||
844 | #[allow(unused_variables)] | |
845 | fn parse_aformat4(src: &mut ByteReader) -> DemuxerResult<RealAudioInfo> { | |
846 | let start = src.tell(); | |
847 | src.read_skip(2)?; // zeroes | |
848 | let id = src.read_u32be()?; | |
849 | validate!(id == mktag!(b".ra4")); | |
850 | let data_size = src.read_u32be()?; | |
851 | let _ver4 = src.read_u16be()?; // should be 4 | |
852 | let header_size = src.read_u32be()?; | |
02cb1e03 | 853 | let flavor = src.read_u16be()?; |
c19ce782 KS |
854 | let granularity = src.read_u32be()?; |
855 | let total_bytes = src.read_u32be()?; | |
856 | let bytes_per_minute = src.read_u32be()?; | |
857 | let _bytes_per_minute2 = src.read_u32be()?; | |
858 | let ileave_factor = src.read_u16be()?; | |
859 | let ileave_block_size = src.read_u16be()?; | |
860 | let _user_data = src.read_u16be()?; | |
861 | let sample_rate = src.read_u32be()?; | |
862 | let sample_size = src.read_u32be()?; | |
863 | let channels = src.read_u16be()?; | |
864 | let interleaver_id_len = src.read_byte()?; | |
865 | validate!(interleaver_id_len == 4); | |
866 | let interleaver_id = src.read_u32be()?; | |
867 | let fcc_len = src.read_byte()?; | |
868 | validate!(fcc_len == 4); | |
869 | let fcc = src.read_u32be()?; | |
870 | let is_interleaved = src.read_byte()?; | |
871 | let _can_copy = src.read_byte()?; | |
872 | let _stream_type = src.read_byte()?; | |
873 | ||
874 | skip_ra_metadata(src)?; | |
875 | ||
876 | let end = src.tell(); | |
877 | validate!(end - start <= (header_size as u64) + 10); | |
878 | ||
879 | let ileave_info = if is_interleaved != 0 { | |
880 | Some(InterleaveInfo { | |
fe07b469 KS |
881 | id: interleaver_id, factor: ileave_factor, block_size: granularity as u16, |
882 | frame_size: ileave_block_size, | |
c19ce782 KS |
883 | }) |
884 | } else { | |
885 | None | |
886 | }; | |
887 | ||
888 | Ok(RealAudioInfo { | |
e07387c7 KS |
889 | fcc, flavor, |
890 | sample_rate, sample_size: sample_size as u16, channels, channel_mask: 0, | |
891 | granularity, bytes_per_minute, | |
c19ce782 | 892 | total_bytes: total_bytes & 0xFFFFFF, edata_size: 0, |
e07387c7 | 893 | ileave_info, |
c19ce782 KS |
894 | }) |
895 | } | |
896 | ||
897 | #[allow(unused_variables)] | |
898 | fn parse_aformat5(src: &mut ByteReader) -> DemuxerResult<RealAudioInfo> { | |
899 | let start = src.tell(); | |
900 | src.read_skip(2)?; // zeroes | |
901 | let id = src.read_u32be()?; | |
db5cc44b | 902 | validate!((id == mktag!(b".ra5")) || (id == mktag!(b".ra4"))); |
c19ce782 KS |
903 | let data_size = src.read_u32be()?; |
904 | let _ver5 = src.read_u16be()?; // should be 5 | |
905 | let header_size = src.read_u32be()?; | |
02cb1e03 | 906 | let flavor = src.read_u16be()?; |
c19ce782 KS |
907 | let granularity = src.read_u32be()?; |
908 | let total_bytes = src.read_u32be()?; | |
909 | let bytes_per_minute = src.read_u32be()?; | |
910 | let _bytes_per_minute2 = src.read_u32be()?; | |
911 | let ileave_factor = src.read_u16be()?; | |
c19ce782 | 912 | let frame_size = src.read_u16be()?; |
6669c73b | 913 | let ileave_block_size = src.read_u16be()?; |
c19ce782 KS |
914 | let user_data = src.read_u32be()?; |
915 | let _sample_rate1 = src.read_u16be()?; | |
916 | let sample_rate = src.read_u32be()?; | |
917 | let sample_size = src.read_u32be()?; | |
918 | let channels = src.read_u16be()?; | |
919 | let interleaver_id = src.read_u32be()?; | |
920 | let fcc = src.read_u32be()?; | |
921 | let is_interleaved = src.read_byte()?; | |
922 | let _can_copy = src.read_byte()?; | |
923 | let _stream_type = src.read_byte()?; | |
924 | let has_ileave_pattern = src.read_byte()?; | |
925 | if has_ileave_pattern != 0 { | |
926 | unimplemented!("ra5 interleave pattern"); | |
927 | } | |
843c8c87 | 928 | let mut edata_size = src.read_u32be()?; |
c19ce782 | 929 | let end = src.tell(); |
db5cc44b KS |
930 | if id == mktag!(b".ra5") { |
931 | validate!(end - start <= (header_size as u64) + 10); | |
bb149b3b | 932 | // src.read_skip(((end - start) as usize) - (header_size as usize) - 10)?; |
db5cc44b KS |
933 | } else { |
934 | validate!(end - start <= (header_size as u64) + 15); | |
935 | } | |
c19ce782 KS |
936 | |
937 | let ileave_info = if is_interleaved != 0 { | |
938 | Some(InterleaveInfo { | |
e07387c7 | 939 | id: interleaver_id, factor: ileave_factor, block_size: ileave_block_size, frame_size, |
c19ce782 KS |
940 | }) |
941 | } else { | |
942 | None | |
943 | }; | |
843c8c87 KS |
944 | if (fcc == mktag!(b"raac")) || (fcc == mktag!(b"racp")) { |
945 | validate!(edata_size > 1); | |
946 | edata_size -= 1; | |
947 | src.read_skip(1)?; | |
948 | } | |
c19ce782 KS |
949 | |
950 | Ok(RealAudioInfo { | |
e07387c7 KS |
951 | fcc, flavor, |
952 | sample_rate, sample_size: sample_size as u16, channels, channel_mask: 0, | |
953 | granularity, bytes_per_minute, | |
954 | total_bytes: total_bytes & 0xFFFFFF, edata_size, | |
955 | ileave_info, | |
c19ce782 KS |
956 | }) |
957 | } | |
958 | ||
ce52b3b5 KS |
959 | const RMVB_HDR_SIZE: u32 = 18; |
960 | const RMVB_PROP_SIZE: u32 = 50; | |
961 | const KEYFRAME_FLAG: u8 = 0x02; | |
962 | ||
963 | impl<'a> RealMediaDemuxer<'a> { | |
964 | fn new(io: &'a mut ByteReader<'a>) -> Self { | |
965 | RealMediaDemuxer { | |
966 | src: io, | |
967 | data_pos: 0, | |
cdcbaa6c | 968 | data_end: 0, |
770bef6f | 969 | next_data: 0, |
db5cc44b | 970 | data_ver: 0, |
ce52b3b5 KS |
971 | num_packets: 0, |
972 | cur_packet: 0, | |
418bd0b8 | 973 | str_data: CommonStreamData::new(), |
cdcbaa6c KS |
974 | data_chunks: Vec::new(), |
975 | cur_data_chunk: 0, | |
ce52b3b5 KS |
976 | queued_pkts: Vec::new(), |
977 | slice_buf: Vec::new(), | |
978 | } | |
979 | } | |
980 | #[allow(unused_variables)] | |
cdcbaa6c | 981 | fn read_header(&mut self, strmgr: &mut StreamManager, seek_idx: &mut SeekIndex) -> DemuxerResult<()> { |
ce52b3b5 | 982 | let (id, size, ver) = read_chunk(self.src)?; |
db5cc44b | 983 | validate!((id == mktag!(b".RMF")) || (id == mktag!(b".RMP"))); |
ce52b3b5 KS |
984 | validate!(size >= RMVB_HDR_SIZE); |
985 | let fver = self.src.read_u32be()?; | |
986 | validate!(fver <= 1); | |
987 | let num_hdr = self.src.read_u32be()? as usize; | |
988 | validate!(num_hdr >= 1); | |
989 | if size > RMVB_HDR_SIZE { | |
990 | self.src.read_skip((size - RMVB_HDR_SIZE) as usize)?; | |
991 | } | |
992 | ||
993 | let (id, size, ver) = read_chunk(self.src)?; | |
db5cc44b KS |
994 | let prop_size = if ver == 0 { RMVB_PROP_SIZE } else { RMVB_PROP_SIZE + 4 }; |
995 | validate!(size >= prop_size); | |
996 | validate!((ver == 0) || (ver == 2)); | |
ce52b3b5 KS |
997 | let maxbr = self.src.read_u32be()?; |
998 | let avgbr = self.src.read_u32be()?; | |
999 | let maxps = self.src.read_u32be()?; | |
1000 | let avgps = self.src.read_u32be()?; | |
1001 | let num_pkt = self.src.read_u32be()? as usize; | |
1002 | let duration = self.src.read_u32be()?; | |
1003 | let preroll = self.src.read_u32be()?; | |
db5cc44b KS |
1004 | if ver == 2 { |
1005 | self.src.read_skip(4)?; | |
1006 | } | |
ce52b3b5 KS |
1007 | let idx_off = self.src.read_u32be()?; |
1008 | let data_off = self.src.read_u32be()?; | |
1009 | let num_streams = self.src.read_u16be()? as usize; | |
1010 | let flags = self.src.read_u16be()?; | |
db5cc44b KS |
1011 | if size > prop_size { |
1012 | self.src.read_skip((size - prop_size) as usize)?; | |
ce52b3b5 KS |
1013 | } |
1014 | ||
1015 | for _ in 0..num_hdr { | |
c9aba47e KS |
1016 | if self.src.is_eof() { |
1017 | //warn maybe? | |
1018 | break; | |
1019 | } | |
cdcbaa6c | 1020 | let res = self.parse_chunk(strmgr, seek_idx); |
c9aba47e KS |
1021 | match res { |
1022 | Ok(last) => { if last { break; } }, | |
1023 | Err(DemuxerError::IOError) => { break; }, | |
b7b96b4c | 1024 | Err(etype) => { |
cdcbaa6c | 1025 | if self.data_chunks.len() == 0 { // data is not found, report error |
b7b96b4c KS |
1026 | return Err(etype); |
1027 | } | |
1028 | }, | |
c9aba47e | 1029 | }; |
ce52b3b5 | 1030 | } |
c9aba47e | 1031 | //println!("now @ {:X} / {}", self.src.tell(), self.data_pos); |
cdcbaa6c KS |
1032 | validate!(self.data_chunks.len() > 0); |
1033 | self.cur_data_chunk = 0; | |
1034 | let (pos, size, ver) = self.data_chunks[self.cur_data_chunk]; | |
1035 | self.data_pos = pos; | |
1036 | self.data_ver = ver; | |
1037 | self.data_end = pos + (size as u64); | |
1038 | self.src.seek(SeekFrom::Start(self.data_pos + 10))?; | |
770bef6f KS |
1039 | self.parse_data_start()?; |
1040 | Ok(()) | |
1041 | } | |
1042 | fn parse_data_start(&mut self) -> DemuxerResult<()> { | |
ce52b3b5 | 1043 | let num_packets = self.src.read_u32be()?; |
db5cc44b KS |
1044 | if self.data_ver == 2 { |
1045 | self.src.read_skip(12)?; // zeroes? | |
1046 | } | |
ce52b3b5 | 1047 | let next_data_hdr = self.src.read_u32be()?; |
9f45e528 | 1048 | self.num_packets = if num_packets > 0 { num_packets } else { 0xFFFFFF }; |
ce52b3b5 | 1049 | self.cur_packet = 0; |
770bef6f | 1050 | self.next_data = next_data_hdr as u64; |
ce52b3b5 KS |
1051 | Ok(()) |
1052 | } | |
cdcbaa6c | 1053 | fn parse_chunk(&mut self, strmgr: &mut StreamManager, seek_idx: &mut SeekIndex) -> DemuxerResult<bool> { |
ce52b3b5 KS |
1054 | let (id, size, ver) = read_chunk(self.src)?; |
1055 | let end_pos = self.src.tell() - 10 + (size as u64); | |
1056 | ||
db5cc44b | 1057 | validate!((ver == 0) || (ver == 2)); |
ce52b3b5 KS |
1058 | if id == mktag!(b"CONT") { self.parse_content_desc()?; } |
1059 | else if id == mktag!(b"MDPR") { self.parse_mdpr(strmgr)?; } | |
cdcbaa6c KS |
1060 | else if id == mktag!(b"DATA") { |
1061 | self.data_chunks.push((self.src.tell() - 10, size, ver)); | |
1062 | } | |
9da33f04 KS |
1063 | else if id == mktag!(b"INDX") { |
1064 | if !seek_idx.skip_index { | |
1065 | self.parse_index(seek_idx, (size as usize) - 10, ver)?; | |
1066 | } | |
1067 | } | |
6132225f | 1068 | else if id == 0 { return Ok(true); } |
ce52b3b5 KS |
1069 | else { println!("unknown chunk type {:08X}", id); } |
1070 | ||
1071 | let cpos = self.src.tell(); | |
1072 | if cpos < end_pos { | |
1073 | self.src.read_skip((end_pos - cpos) as usize)?; | |
1074 | } | |
6132225f | 1075 | Ok(false) |
ce52b3b5 KS |
1076 | } |
1077 | #[allow(unused_variables)] | |
1078 | fn parse_content_desc(&mut self) -> DemuxerResult<()> { | |
1079 | let title_len = self.src.read_u16be()? as usize; | |
1080 | self.src.read_skip(title_len)?; | |
1081 | let author_len = self.src.read_u16be()? as usize; | |
1082 | self.src.read_skip(author_len)?; | |
1083 | let copywrong_len = self.src.read_u16be()? as usize; | |
1084 | self.src.read_skip(copywrong_len)?; | |
1085 | let comment_len = self.src.read_u16be()? as usize; | |
1086 | self.src.read_skip(comment_len)?; | |
1087 | Ok(()) | |
1088 | } | |
1089 | #[allow(unused_variables)] | |
1090 | fn parse_mdpr(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<()> { | |
d4df9ee1 | 1091 | let stream_no = self.src.read_u16be()? as u32; |
ce52b3b5 KS |
1092 | //todo check stream_no for duplicates |
1093 | let maxbr = self.src.read_u32be()?; | |
1094 | let avgbr = self.src.read_u32be()?; | |
1095 | let maxps = self.src.read_u32be()?; | |
1096 | let avgps = self.src.read_u32be()?; | |
1097 | let start = self.src.read_u32be()?; | |
1098 | let preroll = self.src.read_u32be()?; | |
1099 | let duration = self.src.read_u32be()?; | |
1100 | let sname_size = self.src.read_byte()? as usize; | |
1101 | let sname = read_string_size(self.src, sname_size)?; | |
c9aba47e | 1102 | //println!("str #{} sname = {} pkts {}/{} start {} preroll {}", stream_no, sname, maxps, avgps, start, preroll); |
ce52b3b5 KS |
1103 | let mime_size = self.src.read_byte()? as usize; |
1104 | let mime = read_string_size(self.src, mime_size)?; | |
c9aba47e | 1105 | //println!("mime = {}", mime); |
ce52b3b5 KS |
1106 | let edata_size = self.src.read_u32be()? as usize; |
1107 | let edata: Option<Vec<u8>> = if edata_size == 0 { None } else { | |
e07387c7 | 1108 | let mut edvec: Vec<u8> = vec![0; edata_size]; |
ce52b3b5 KS |
1109 | self.src.read_buf(&mut edvec)?; |
1110 | Some(edvec) | |
1111 | }; | |
d4df9ee1 | 1112 | let mut is_mlti = false; |
ce52b3b5 KS |
1113 | if edata_size > 8 { |
1114 | if let Some(edata_) = edata { | |
418bd0b8 | 1115 | is_mlti = RMDemuxCommon::parse_stream_info(&mut self.str_data, strmgr, stream_no, &edata_)?; |
ce52b3b5 KS |
1116 | } |
1117 | } else { | |
418bd0b8 | 1118 | self.str_data.streams.push(RMStreamType::Unknown); |
ce52b3b5 | 1119 | } |
d4df9ee1 | 1120 | if !is_mlti { |
418bd0b8 | 1121 | self.str_data.str_ids.push(stream_no); |
d4df9ee1 | 1122 | } |
d4df9ee1 | 1123 | |
ce52b3b5 KS |
1124 | Ok(()) |
1125 | } | |
cdcbaa6c KS |
1126 | fn parse_index(&mut self, seek_idx: &mut SeekIndex, chunk_size: usize, ver: u16) -> DemuxerResult<()> { |
1127 | if ver != 0 { return Ok(()); } | |
1128 | let num_entries = self.src.read_u32be()? as usize; | |
1129 | let str_id = self.src.read_u16be()? as u32; | |
1130 | let _next_idx = self.src.read_u32be()?; | |
1131 | validate!(chunk_size == num_entries * 14 + 10); | |
1132 | if num_entries == 0 { return Ok(()); } | |
1133 | ||
1134 | seek_idx.add_stream(str_id); | |
1135 | let idx = seek_idx.get_stream_index(str_id).unwrap(); | |
1136 | for _ in 0..num_entries { | |
1137 | let ver = self.src.read_u16be()? as u32; | |
1138 | validate!(ver == 0); | |
1139 | let ts = self.src.read_u32be()? as u64; | |
1140 | let pos = self.src.read_u32be()? as u64; | |
1141 | let _pkt_no = self.src.read_u32be()?; | |
1142 | idx.add_entry(SeekEntry { time: ts, pts: 0, pos }); | |
1143 | } | |
1144 | idx.filled = true; | |
1145 | seek_idx.mode = SeekIndexMode::Present; | |
1146 | Ok(()) | |
1147 | } | |
ce52b3b5 KS |
1148 | } |
1149 | ||
1150 | fn read_string_size(src: &mut ByteReader, size: usize) -> DemuxerResult<String> { | |
1151 | let mut vec: Vec<u8> = Vec::new(); | |
1152 | for _ in 0..size { | |
1153 | let c = src.read_byte()?; | |
1154 | vec.push(c); | |
1155 | } | |
1156 | let str = String::from_utf8(vec); | |
1157 | if str.is_ok() { | |
1158 | Ok(str.unwrap()) | |
1159 | } else { | |
1160 | Ok(String::new()) | |
1161 | } | |
1162 | } | |
1163 | ||
d1304e6e KS |
1164 | struct RealAudioDemuxer<'a> { |
1165 | src: &'a mut ByteReader<'a>, | |
1166 | stream: Option<RMAudioStream>, | |
1167 | data_start: u64, | |
1168 | data_end: u64, | |
1169 | blk_size: usize, | |
1170 | queued_pkts: Vec<NAPacket>, | |
1171 | } | |
1172 | ||
1173 | impl<'a> DemuxCore<'a> for RealAudioDemuxer<'a> { | |
1174 | #[allow(unused_variables)] | |
33b5a8f0 | 1175 | fn open(&mut self, strmgr: &mut StreamManager, _seek_idx: &mut SeekIndex) -> DemuxerResult<()> { |
d1304e6e KS |
1176 | let magic = self.src.read_u32be()?; |
1177 | validate!(magic == mktag!(b".ra\xFD")); | |
1178 | let ver = self.src.read_u16be()?; | |
1179 | let ainfo = match ver { | |
1180 | 3 => { | |
1181 | parse_aformat3(&mut self.src)? | |
1182 | }, | |
1183 | 4 => { | |
1184 | parse_aformat4(&mut self.src)? | |
1185 | }, | |
1186 | 5 => { | |
1187 | parse_aformat5(&mut self.src)? | |
1188 | }, | |
1189 | _ => { | |
1190 | println!("unknown version {}", ver); | |
1191 | return Err(DemuxerError::InvalidData); | |
1192 | }, | |
1193 | }; | |
1194 | println!(" got ainfo {:?}", ainfo); | |
1195 | let cname = find_codec_name(RM_AUDIO_CODEC_REGISTER, ainfo.fcc); | |
1196 | let blk_size = if ainfo.fcc != mktag!(b"sipr") { | |
1197 | ainfo.granularity as usize | |
1198 | } else { | |
1199 | validate!(ainfo.flavor <= 3); | |
1200 | RM_SIPRO_BLOCK_SIZES[ainfo.flavor as usize] | |
1201 | }; | |
1202 | let srate = ainfo.sample_rate; | |
1203 | let soniton = NASoniton::new(ainfo.sample_size as u8, SONITON_FLAG_SIGNED); | |
1204 | let ahdr = NAAudioInfo::new(srate, ainfo.channels as u8, soniton, blk_size); | |
1205 | let extradata = if ainfo.edata_size == 0 { | |
1206 | None | |
1207 | } else { | |
e07387c7 | 1208 | let mut dta: Vec<u8> = vec![0; ainfo.edata_size as usize]; |
d1304e6e KS |
1209 | self.src.read_buf(dta.as_mut_slice())?; |
1210 | Some(dta) | |
1211 | }; | |
1212 | let nainfo = NACodecInfo::new(cname, NACodecTypeInfo::Audio(ahdr), extradata); | |
1213 | let res = strmgr.add_stream(NAStream::new(StreamType::Audio, 0, nainfo, 1, srate)); | |
1214 | if res.is_none() { return Err(MemoryError); } | |
1215 | ||
1216 | let astr = RMAudioStream::new(ainfo.ileave_info); | |
1217 | self.data_start = self.src.tell(); | |
1218 | self.data_end = if ainfo.total_bytes > 0 { self.src.tell() + (ainfo.total_bytes as u64) } else { 0 }; | |
1219 | self.blk_size = blk_size; | |
1220 | self.stream = Some(astr); | |
1221 | ||
1222 | Ok(()) | |
1223 | } | |
1224 | ||
1225 | fn get_frame(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<NAPacket> { | |
1226 | if !self.queued_pkts.is_empty() { | |
1227 | let pkt = self.queued_pkts.pop().unwrap(); | |
1228 | return Ok(pkt); | |
1229 | } | |
1230 | if (self.data_end != 0) && (self.src.tell() >= self.data_end) { | |
1231 | return Err(DemuxerError::EOF); | |
1232 | } | |
1233 | let streamres = strmgr.get_stream_by_id(0); | |
1234 | let stream = streamres.unwrap(); | |
1235 | if let Some(ref mut astr) = self.stream { | |
1236 | loop { | |
1237 | let ret = astr.read_apackets(&mut self.queued_pkts, &mut self.src, stream.clone(), 0, false, self.blk_size); | |
1238 | if let Err(DemuxerError::TryAgain) = ret { | |
1239 | continue; | |
1240 | } | |
1241 | return ret; | |
1242 | } | |
1243 | } | |
1244 | Err(DemuxerError::NoSuchInput) | |
1245 | } | |
1246 | ||
1247 | #[allow(unused_variables)] | |
33b5a8f0 | 1248 | fn seek(&mut self, time: u64, seek_idx: &SeekIndex) -> DemuxerResult<()> { |
d1304e6e KS |
1249 | Err(NotImplemented) |
1250 | } | |
1251 | } | |
1252 | ||
1253 | impl<'a> RealAudioDemuxer<'a> { | |
1254 | fn new(io: &'a mut ByteReader<'a>) -> Self { | |
1255 | RealAudioDemuxer { | |
1256 | src: io, | |
1257 | data_start: 0, | |
1258 | data_end: 0, | |
1259 | blk_size: 0, | |
1260 | stream: None, | |
1261 | queued_pkts: Vec::new(), | |
1262 | } | |
1263 | } | |
1264 | } | |
1265 | ||
418bd0b8 KS |
1266 | enum IVRRecord { |
1267 | Invalid(u8), | |
1268 | StreamProperties(usize), | |
1269 | Packet { ts: u32, str: u32, flags: u32, len: usize, checksum: u32 }, | |
1270 | IntValue(Vec<u8>, u32), | |
1271 | BinaryData(Vec<u8>, Vec<u8>), | |
1272 | StringData(Vec<u8>, Vec<u8>), | |
1273 | HeaderEnd, | |
1274 | DataStart, | |
1275 | DataEnd, | |
1276 | } | |
1277 | ||
1278 | impl IVRRecord { | |
1279 | fn read_string(src: &mut ByteReader) -> DemuxerResult<Vec<u8>> { | |
1280 | let len = src.read_u32be()? as usize; | |
e07387c7 | 1281 | let mut val = vec![0; len]; |
418bd0b8 KS |
1282 | src.read_buf(val.as_mut_slice())?; |
1283 | Ok(val) | |
1284 | } | |
1285 | ||
1286 | fn read(src: &mut ByteReader) -> DemuxerResult<Self> { | |
1287 | let code = src.read_byte()?; | |
1288 | match code { | |
1289 | 1 => { | |
1290 | let val = src.read_u32be()? as usize; | |
1291 | Ok(IVRRecord::StreamProperties(val)) | |
1292 | }, | |
1293 | 2 => { | |
1294 | let ts = src.read_u32be()?; | |
1295 | let str = src.read_u16be()? as u32; | |
1296 | let flags = src.read_u32be()?; | |
1297 | let len = src.read_u32be()? as usize; | |
1298 | let chk = src.read_u32be()?; | |
6dc93d35 | 1299 | validate!((len > 0) && (len < (1 << 24))); |
418bd0b8 KS |
1300 | Ok(IVRRecord::Packet { ts, str, flags, len, checksum: chk }) |
1301 | }, | |
1302 | 3 => { | |
1303 | let name = Self::read_string(src)?; | |
1304 | let len = src.read_u32be()?; | |
1305 | validate!(len == 4); | |
1306 | let val = src.read_u32be()?; | |
1307 | Ok(IVRRecord::IntValue(name, val)) | |
1308 | }, | |
1309 | 4 => { | |
1310 | let name = Self::read_string(src)?; | |
1311 | let len = src.read_u32be()? as usize; | |
e07387c7 | 1312 | let mut val = vec![0; len]; |
418bd0b8 KS |
1313 | src.read_buf(val.as_mut_slice())?; |
1314 | Ok(IVRRecord::BinaryData(name, val)) | |
1315 | }, | |
1316 | 5 => { | |
1317 | let name = Self::read_string(src)?; | |
1318 | let val = Self::read_string(src)?; | |
1319 | Ok(IVRRecord::StringData(name, val)) | |
1320 | }, | |
1321 | 6 => Ok(IVRRecord::HeaderEnd), | |
1322 | 7 => { | |
1323 | src.read_skip(8)?; // always zero? | |
1324 | Ok(IVRRecord::DataEnd) | |
1325 | }, | |
1326 | 8 => { | |
1327 | src.read_skip(8)?; // always zero? | |
1328 | Ok(IVRRecord::DataStart) | |
1329 | }, | |
1330 | _ => Ok(IVRRecord::Invalid(code)), | |
1331 | } | |
1332 | } | |
1333 | fn is_data_start(&self) -> bool { | |
1334 | match *self { | |
1335 | IVRRecord::DataStart => true, | |
1336 | _ => false, | |
1337 | } | |
1338 | } | |
1339 | } | |
1340 | ||
1341 | impl fmt::Display for IVRRecord { | |
1342 | fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { | |
1343 | match *self { | |
1344 | IVRRecord::Invalid(typ) => write!(f, "Invalid({:02X})", typ), | |
1345 | IVRRecord::StreamProperties(num) => | |
1346 | write!(f, "({} stream properties)", num), | |
1347 | IVRRecord::Packet { ts, str, flags, len, checksum } => | |
1348 | write!(f, "paket({}, {}, {:X}, {}, {})", ts, str, flags, len, checksum), | |
1349 | IVRRecord::IntValue(ref name, val) => | |
1350 | write!(f, "({} = {})", String::from_utf8_lossy(name), val), | |
1351 | IVRRecord::BinaryData(ref name, ref val) => | |
1352 | write!(f, "({} = {} bytes)", String::from_utf8_lossy(name), val.len()), | |
1353 | IVRRecord::StringData(ref name, ref val) => | |
1354 | write!(f, "({} = {})", String::from_utf8_lossy(name), String::from_utf8_lossy(val)), | |
1355 | IVRRecord::HeaderEnd => write!(f, "header end"), | |
1356 | IVRRecord::DataEnd => write!(f, "data end"), | |
1357 | IVRRecord::DataStart => write!(f, "data start"), | |
1358 | } | |
1359 | } | |
1360 | } | |
1361 | ||
1362 | struct RecordDemuxer { | |
1363 | start_pos: u64, | |
1364 | cur_pos: u64, | |
1365 | start_str: u32, | |
1366 | remap_ids: Vec<u32>, | |
1367 | } | |
1368 | ||
1369 | impl RecordDemuxer { | |
1370 | fn new(pos: u64, start_str: u32) -> Self { | |
1371 | RecordDemuxer { | |
1372 | start_pos: pos, | |
1373 | cur_pos: pos, | |
e07387c7 | 1374 | start_str, |
418bd0b8 KS |
1375 | remap_ids: Vec::new(), |
1376 | } | |
1377 | } | |
1378 | fn parse_header(&mut self, src: &mut ByteReader, strmgr: &mut StreamManager, str_data: &mut CommonStreamData) -> DemuxerResult<()> { | |
1379 | src.seek(SeekFrom::Start(self.cur_pos))?; | |
1380 | let magic = src.read_u32be()?; | |
1381 | validate!(magic == mktag!(b".REC")); | |
1382 | let _smth = src.read_byte()?; | |
1383 | let num_entries = src.read_u32be()? as usize; | |
1384 | for _ in 0..num_entries { | |
1385 | let _rec = IVRRecord::read(src)?; | |
1386 | //println!(" header rec {}", _rec); | |
1387 | } | |
1388 | let mut has_seek_table = false; | |
1389 | let mut cur_str_no = 0; | |
1390 | loop { | |
1391 | let rec = IVRRecord::read(src)?; | |
1392 | match rec { | |
1393 | IVRRecord::HeaderEnd => { break; }, | |
1394 | IVRRecord::StreamProperties(num) => { | |
1395 | let stream_no = cur_str_no + self.start_str; | |
1396 | cur_str_no += 1; | |
1397 | let mut parsed = false; | |
1398 | let mut real_stream_no = 0; | |
1399 | for _ in 0..num { | |
1400 | let rec = IVRRecord::read(src)?; | |
1401 | //println!(" strm property {}", rec); | |
1402 | match rec { | |
1403 | IVRRecord::IntValue(ref name, val) => { | |
1404 | if name == b"StreamNumber\0" { | |
1405 | real_stream_no = val; | |
1406 | } | |
1407 | }, | |
1408 | IVRRecord::BinaryData(ref name, ref val) => { | |
1409 | if name == b"OpaqueData\0" { | |
1410 | validate!(!parsed); | |
1411 | let is_mlti = RMDemuxCommon::parse_stream_info(str_data, strmgr, stream_no, val)?; | |
1412 | if !is_mlti { | |
1413 | str_data.str_ids.push(stream_no); | |
1414 | } | |
1415 | parsed = true; | |
1416 | } | |
1417 | }, | |
1418 | IVRRecord::StringData(ref name, ref val) => { | |
1419 | if (name == b"SeekType\0") && (val != b"None\0") { | |
1420 | has_seek_table = true; | |
1421 | } | |
1422 | }, | |
1423 | _ => { return Err(DemuxerError::InvalidData); } | |
1424 | }; | |
1425 | } | |
1426 | if !parsed { | |
1427 | str_data.streams.push(RMStreamType::Unknown); | |
1428 | str_data.str_ids.push(stream_no); | |
1429 | } | |
1430 | self.remap_ids.push(real_stream_no); | |
1431 | }, | |
1432 | _ => {println!(" unexpected {}", rec); return Err(DemuxerError::InvalidData); } | |
1433 | }; | |
1434 | } | |
1435 | println!(" now @ {:X}", src.tell()); | |
1436 | let off0 = src.read_u32be()? as u64; | |
1437 | let _off1 = src.read_u32be()?; | |
1438 | let _off2 = src.read_u32be()?; | |
1439 | validate!(off0 + self.start_pos == src.tell()); | |
1440 | println!(" has seek tab: {}", has_seek_table); | |
1441 | if has_seek_table { | |
1442 | src.read_skip(4)?; | |
1443 | let data_off = src.read_u32be()? as u64; | |
1444 | println!(" new off {:X}", data_off); | |
1445 | let pos = src.tell(); | |
1446 | validate!(data_off + self.start_pos > pos); | |
1447 | src.read_skip((data_off + self.start_pos - pos) as usize)?; | |
1448 | let rec = IVRRecord::read(src)?; | |
1449 | validate!(rec.is_data_start()); | |
1450 | } else { | |
1451 | let ntype = src.peek_byte()?; | |
1452 | validate!((ntype == 2) || (ntype == 7)); // packet or data end, no start | |
1453 | } | |
1454 | ||
1455 | self.cur_pos = src.tell(); | |
1456 | ||
1457 | Ok(()) | |
1458 | } | |
1459 | 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> { | |
1460 | src.seek(SeekFrom::Start(self.cur_pos))?; | |
1461 | loop { | |
1462 | let rec = IVRRecord::read(src)?; | |
1463 | match rec { | |
e07387c7 | 1464 | IVRRecord::Packet { ts, str, flags, len, .. } => { |
418bd0b8 KS |
1465 | let payload_size = len; |
1466 | let sr = self.remap_ids.iter().position(|x| *x == str); | |
1467 | validate!(sr.is_some()); | |
1468 | let str_no = self.start_str + (sr.unwrap() as u32); | |
6dc93d35 KS |
1469 | let pkt_grp = ((flags >> 8) & 0xFF) as u16; |
1470 | let stream_id = str_data.get_stream_id(str_no as u32, pkt_grp); | |
418bd0b8 KS |
1471 | let sr = str_data.find_stream(stream_id); |
1472 | if sr.is_none() { | |
1473 | src.read_skip(payload_size)?; | |
1474 | return Err(DemuxerError::InvalidData); | |
1475 | } | |
1476 | let str_id = sr.unwrap(); | |
1477 | ||
1478 | let streamres = strmgr.get_stream_by_id(stream_id); | |
1479 | if streamres.is_none() { | |
1480 | src.read_skip(payload_size)?; | |
1481 | continue; | |
1482 | } | |
1483 | let stream = streamres.unwrap(); | |
1484 | if strmgr.is_ignored_id(stream_id) { | |
1485 | src.read_skip(payload_size)?; | |
1486 | continue; | |
1487 | } | |
1488 | let keyframe = false; | |
1489 | let ret = RMDemuxCommon::parse_packet_payload(src, &mut str_data.streams[str_id], stream, slice_buf, queued_pkts, keyframe, ts, payload_size); | |
1490 | if let Err(DemuxerError::TryAgain) = ret { | |
1491 | continue; | |
1492 | } else { | |
1493 | self.cur_pos = src.tell(); | |
1494 | return ret; | |
1495 | } | |
1496 | }, | |
1497 | IVRRecord::DataEnd => return Err(DemuxerError::EOF), | |
1498 | _ => return Err(DemuxerError::InvalidData), | |
1499 | } | |
1500 | } | |
1501 | } | |
1502 | } | |
1503 | ||
1504 | struct RealIVRDemuxer<'a> { | |
1505 | src: &'a mut ByteReader<'a>, | |
1506 | recs: Vec<RecordDemuxer>, | |
1507 | cur_rec: usize, | |
1508 | queued_pkts: Vec<NAPacket>, | |
1509 | slice_buf: Vec<u8>, | |
1510 | str_data: CommonStreamData, | |
1511 | } | |
1512 | ||
1513 | impl<'a> DemuxCore<'a> for RealIVRDemuxer<'a> { | |
1514 | #[allow(unused_variables)] | |
33b5a8f0 | 1515 | fn open(&mut self, strmgr: &mut StreamManager, seek_idx: &mut SeekIndex) -> DemuxerResult<()> { |
418bd0b8 KS |
1516 | let magic = self.src.peek_u32be()?; |
1517 | if magic == mktag!(b".REC") { | |
1518 | let mut rec = RecordDemuxer::new(0, 0); | |
1519 | rec.parse_header(&mut self.src, strmgr, &mut self.str_data)?; | |
1520 | self.recs.push(rec); | |
1521 | } else if magic == mktag!(b".R1M") { | |
1522 | println!("R1M kind"); | |
1523 | self.src.read_skip(4)?; // magic | |
1524 | self.src.read_skip(3)?; // always 0, 1, 1 ? | |
1525 | let _name = IVRRecord::read_string(&mut self.src)?; | |
1526 | self.src.read_skip(1)?; // always 0? | |
1527 | let len1 = self.src.read_u32be()? as u64; | |
1528 | let off1 = self.src.read_u64be()?; | |
1529 | let cpos = self.src.tell(); | |
1530 | validate!(off1 == len1 + cpos - 8); | |
1531 | self.src.read_skip((off1 - cpos) as usize)?; | |
1532 | loop { | |
1533 | let typ = self.src.read_byte()?; | |
1534 | println!(" at {:X} type {:02X}", self.src.tell(), typ); | |
1535 | match typ { | |
1536 | 1 => { | |
1537 | let len = self.src.read_u32be()?; | |
1538 | self.src.read_skip(len as usize)?; | |
1539 | }, | |
1540 | 2 => { | |
1541 | let len = self.src.read_u32be()? as u64; | |
1542 | let pos = self.src.tell(); | |
6dc93d35 KS |
1543 | if len > 0x20 { |
1544 | let num_streams = self.str_data.streams.len() as u32; | |
1545 | let mut rec = RecordDemuxer::new(pos + 12, num_streams); | |
1546 | rec.parse_header(&mut self.src, strmgr, &mut self.str_data)?; | |
1547 | self.recs.push(rec); | |
1548 | } | |
418bd0b8 KS |
1549 | self.src.seek(SeekFrom::Start(pos + len))?; |
1550 | }, | |
1551 | b'R' => { | |
1552 | let mut buf: [u8; 2] = [0; 2]; | |
1553 | self.src.peek_buf(&mut buf)?; | |
1554 | if (buf[0] == b'J') && (buf[1] == b'M') { // RJMx markers at the end of file | |
1555 | break; | |
1556 | } else { | |
1557 | return Err(DemuxerError::InvalidData); | |
1558 | } | |
1559 | }, | |
1560 | _ => { return Err(DemuxerError::InvalidData); }, | |
1561 | }; | |
1562 | } | |
1563 | } else { | |
1564 | return Err(DemuxerError::InvalidData); | |
1565 | } | |
1566 | ||
1567 | Ok(()) | |
1568 | } | |
1569 | ||
1570 | fn get_frame(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<NAPacket> { | |
1571 | if !self.queued_pkts.is_empty() { | |
1572 | let pkt = self.queued_pkts.pop().unwrap(); | |
1573 | return Ok(pkt); | |
1574 | } | |
1575 | loop { | |
1576 | if self.cur_rec >= self.recs.len() { return Err(DemuxerError::EOF); } | |
1577 | let res = self.recs[self.cur_rec].get_packet(&mut self.src, &mut self.str_data, strmgr, &mut self.queued_pkts, &mut self.slice_buf); | |
1578 | if let Err(DemuxerError::EOF) = res { | |
1579 | self.cur_rec += 1; | |
1580 | } else { | |
1581 | return res; | |
1582 | } | |
1583 | } | |
1584 | } | |
1585 | ||
1586 | #[allow(unused_variables)] | |
33b5a8f0 | 1587 | fn seek(&mut self, time: u64, seek_idx: &SeekIndex) -> DemuxerResult<()> { |
418bd0b8 KS |
1588 | Err(NotImplemented) |
1589 | } | |
1590 | } | |
1591 | ||
1592 | impl<'a> RealIVRDemuxer<'a> { | |
1593 | fn new(io: &'a mut ByteReader<'a>) -> Self { | |
1594 | RealIVRDemuxer { | |
1595 | src: io, | |
1596 | recs: Vec::new(), | |
1597 | cur_rec: 0, | |
1598 | queued_pkts: Vec::new(), | |
1599 | slice_buf: Vec::new(), | |
1600 | str_data: CommonStreamData::new(), | |
1601 | } | |
1602 | } | |
1603 | } | |
1604 | ||
ce52b3b5 KS |
1605 | static RM_VIDEO_CODEC_REGISTER: &'static [(&[u8;4], &str)] = &[ |
1606 | (b"RV10", "realvideo1"), | |
1607 | (b"RV20", "realvideo2"), | |
1608 | (b"RVTR", "realvideo2"), | |
1609 | (b"RV30", "realvideo3"), | |
1610 | (b"RV40", "realvideo4"), | |
db5cc44b | 1611 | (b"RV60", "realvideo6"), |
750b299c | 1612 | (b"CLV1", "clearvideo_rm"), |
ce52b3b5 KS |
1613 | ]; |
1614 | ||
1615 | static RM_AUDIO_CODEC_REGISTER: &'static [(&[u8;4], &str)] = &[ | |
1616 | (b"lpcJ", "ra14.4"), | |
1617 | (b"28_8", "ra28.8"), | |
1618 | (b"cook", "cook"), | |
1619 | (b"dnet", "ac3"), | |
1620 | (b"sipr", "sipro"), | |
1621 | (b"atrc", "atrac3"), | |
1622 | (b"LSD:", "ralf"), | |
1623 | (b"raac", "aac"), | |
1624 | (b"racp", "aac"), | |
1625 | ]; | |
1626 | ||
1627 | pub struct RealMediaDemuxerCreator { } | |
1628 | ||
1629 | impl DemuxerCreator for RealMediaDemuxerCreator { | |
6011e201 | 1630 | fn new_demuxer<'a>(&self, br: &'a mut ByteReader<'a>) -> Box<dyn DemuxCore<'a> + 'a> { |
ce52b3b5 KS |
1631 | Box::new(RealMediaDemuxer::new(br)) |
1632 | } | |
1633 | fn get_name(&self) -> &'static str { "realmedia" } | |
1634 | } | |
1635 | ||
d1304e6e KS |
1636 | pub struct RealAudioDemuxerCreator { } |
1637 | ||
1638 | impl DemuxerCreator for RealAudioDemuxerCreator { | |
6011e201 | 1639 | fn new_demuxer<'a>(&self, br: &'a mut ByteReader<'a>) -> Box<dyn DemuxCore<'a> + 'a> { |
d1304e6e KS |
1640 | Box::new(RealAudioDemuxer::new(br)) |
1641 | } | |
1642 | fn get_name(&self) -> &'static str { "realaudio" } | |
1643 | } | |
1644 | ||
418bd0b8 | 1645 | pub struct RealIVRDemuxerCreator { } |
d1304e6e KS |
1646 | |
1647 | impl DemuxerCreator for RealIVRDemuxerCreator { | |
6011e201 | 1648 | fn new_demuxer<'a>(&self, br: &'a mut ByteReader<'a>) -> Box<dyn DemuxCore<'a> + 'a> { |
d1304e6e KS |
1649 | Box::new(RealIVRDemuxer::new(br)) |
1650 | } | |
1651 | fn get_name(&self) -> &'static str { "real_ivr" } | |
418bd0b8 | 1652 | } |
d1304e6e | 1653 | |
ce52b3b5 KS |
1654 | #[cfg(test)] |
1655 | mod test { | |
1656 | use super::*; | |
1657 | use std::fs::File; | |
1658 | ||
1659 | #[test] | |
1660 | fn test_rm_demux() { | |
1661 | let mut file = | |
1662 | File::open("assets/RV/rv10_dnet_640x352_realvideo_encoder_4.0.rm").unwrap(); | |
1663 | // File::open("assets/RV/rv20_cook_640x352_realproducer_plus_8.51.rm").unwrap(); | |
1664 | // File::open("assets/RV/rv20_svt_atrc_640x352_realproducer_plus_8.51.rm").unwrap(); | |
1665 | // File::open("assets/RV/rv30_atrc_384x208_realproducer_plus_8.51.rm").unwrap(); | |
1666 | // File::open("assets/RV/rv30_chroma_drift.rm").unwrap(); | |
1667 | // File::open("assets/RV/rv30_weighted_mc.rm").unwrap(); | |
1668 | // File::open("assets/RV/rv40_weighted_mc.rmvb").unwrap(); | |
1669 | // File::open("assets/RV/rv40_weighted_mc_2.rmvb").unwrap(); | |
1670 | // File::open("assets/RV/clv1_sipr_384x208_realvideo_encoder_4.0.rm").unwrap(); | |
1671 | // File::open("assets/RV/luckynight.rmvb").unwrap(); | |
1672 | // File::open("assets/RV/rv40_ralf.rmvb").unwrap(); | |
1673 | let mut fr = FileReader::new_read(&mut file); | |
1674 | let mut br = ByteReader::new(&mut fr); | |
1675 | let mut dmx = RealMediaDemuxer::new(&mut br); | |
1676 | let mut sm = StreamManager::new(); | |
caf0f37e KS |
1677 | let mut si = SeekIndex::new(); |
1678 | dmx.open(&mut sm, &mut si).unwrap(); | |
ce52b3b5 KS |
1679 | |
1680 | loop { | |
1681 | let pktres = dmx.get_frame(&mut sm); | |
1682 | if let Err(e) = pktres { | |
1683 | if e == DemuxerError::EOF { break; } | |
1684 | panic!("error"); | |
1685 | } | |
1686 | let pkt = pktres.unwrap(); | |
1687 | println!("Got {}", pkt); | |
1688 | } | |
41f11b2b | 1689 | //panic!("the end"); |
ce52b3b5 | 1690 | } |
d1304e6e KS |
1691 | #[test] |
1692 | fn test_ra_demux() { | |
1693 | let mut file = | |
1694 | // File::open("assets/RV/welcome288.ra").unwrap(); | |
1695 | File::open("assets/RV/diemusik.ra").unwrap(); | |
1696 | let mut fr = FileReader::new_read(&mut file); | |
1697 | let mut br = ByteReader::new(&mut fr); | |
1698 | let mut dmx = RealAudioDemuxer::new(&mut br); | |
1699 | let mut sm = StreamManager::new(); | |
caf0f37e KS |
1700 | let mut si = SeekIndex::new(); |
1701 | dmx.open(&mut sm, &mut si).unwrap(); | |
d1304e6e | 1702 | |
418bd0b8 KS |
1703 | loop { |
1704 | let pktres = dmx.get_frame(&mut sm); | |
1705 | if let Err(e) = pktres { | |
1706 | if e == DemuxerError::EOF { break; } | |
1707 | panic!("error"); | |
1708 | } | |
1709 | let pkt = pktres.unwrap(); | |
1710 | println!("Got {}", pkt); | |
1711 | } | |
1712 | } | |
1713 | #[test] | |
1714 | fn test_ivr_demux() { | |
1715 | let mut file = | |
1716 | File::open("assets/RV/Opener_rm_hi.ivr").unwrap(); | |
1717 | // File::open("assets/RV/SherwinWilliamsCommercial.ivr").unwrap(); | |
1718 | let mut fr = FileReader::new_read(&mut file); | |
1719 | let mut br = ByteReader::new(&mut fr); | |
1720 | let mut dmx = RealIVRDemuxer::new(&mut br); | |
1721 | let mut sm = StreamManager::new(); | |
caf0f37e KS |
1722 | let mut si = SeekIndex::new(); |
1723 | dmx.open(&mut sm, &mut si).unwrap(); | |
418bd0b8 | 1724 | |
d1304e6e KS |
1725 | loop { |
1726 | let pktres = dmx.get_frame(&mut sm); | |
1727 | if let Err(e) = pktres { | |
1728 | if e == DemuxerError::EOF { break; } | |
1729 | panic!("error"); | |
1730 | } | |
1731 | let pkt = pktres.unwrap(); | |
1732 | println!("Got {}", pkt); | |
1733 | } | |
1734 | } | |
ce52b3b5 | 1735 | } |