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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 | struct RMVideoStream { | |
19 | frame: Vec<u8>, | |
20 | hdr_size: usize, | |
21 | frame_size: usize, | |
22 | frame_pos: usize, | |
23 | } | |
24 | ||
25 | impl RMVideoStream { | |
26 | fn new() -> Self { | |
27 | RMVideoStream { | |
28 | frame: Vec::new(), | |
29 | hdr_size: 0, | |
30 | frame_size: 0, | |
31 | frame_pos: 0, | |
32 | } | |
33 | } | |
34 | fn flush(&mut self) { | |
35 | self.frame.truncate(0); | |
36 | self.frame_size = 0; | |
37 | self.frame_pos = 0; | |
38 | } | |
39 | fn start_slice(&mut self, num_slices: usize, frame_size: usize, data: &[u8]) { | |
40 | self.hdr_size = num_slices * 8 + 1; | |
41 | self.frame.resize(frame_size + self.hdr_size, 0); | |
42 | self.frame[0] = (num_slices - 1) as u8; | |
43 | self.frame_pos = 0; | |
44 | self.add_slice(1, data); | |
45 | } | |
46 | fn add_slice(&mut self, slice_no: usize, data: &[u8]) { | |
47 | self.write_slice_info(slice_no); | |
48 | let mut dslice = &mut self.frame[self.hdr_size + self.frame_pos..][..data.len()]; | |
49 | dslice.copy_from_slice(data); | |
50 | self.frame_pos += data.len(); | |
51 | } | |
52 | fn write_slice_info(&mut self, slice_no: usize) { | |
53 | let off = 1 + (slice_no - 1) * 8; | |
54 | self.frame[off + 0] = 0; | |
55 | self.frame[off + 1] = 0; | |
56 | self.frame[off + 2] = 0; | |
57 | self.frame[off + 3] = 1; | |
58 | self.frame[off + 4] = (self.frame_pos >> 24) as u8; | |
59 | self.frame[off + 5] = (self.frame_pos >> 16) as u8; | |
60 | self.frame[off + 6] = (self.frame_pos >> 8) as u8; | |
61 | self.frame[off + 7] = (self.frame_pos >> 0) as u8; | |
62 | } | |
63 | fn get_frame_data(&mut self) -> Vec<u8> { | |
64 | let mut v: Vec<u8> = Vec::new(); | |
65 | mem::swap(&mut v, &mut self.frame); | |
66 | self.flush(); | |
67 | v | |
68 | } | |
69 | } | |
70 | ||
71 | #[allow(dead_code)] | |
72 | #[derive(Clone,Copy,PartialEq)] | |
73 | enum Deinterleaver { | |
74 | None, | |
75 | Generic, | |
76 | Sipro, | |
77 | VBR, | |
78 | } | |
79 | ||
80 | #[allow(dead_code)] | |
81 | struct RMAudioStream { | |
82 | deint: Deinterleaver, | |
83 | } | |
84 | ||
85 | impl RMAudioStream { | |
86 | fn new(deint: Deinterleaver) -> Self { | |
87 | RMAudioStream { deint: deint } | |
88 | } | |
89 | } | |
90 | ||
91 | enum RMStreamType { | |
92 | Audio(RMAudioStream), | |
93 | Video(RMVideoStream), | |
94 | Logical, | |
95 | Unknown, | |
96 | } | |
97 | ||
98 | struct RealMediaDemuxer<'a> { | |
99 | src: &'a mut ByteReader<'a>, | |
100 | data_pos: u64, | |
101 | num_packets: u32, | |
102 | cur_packet: u32, | |
103 | ||
104 | streams: Vec<RMStreamType>, | |
105 | str_ids: Vec<u16>, | |
106 | ||
107 | queued_pkts: Vec<NAPacket>, | |
108 | slice_buf: Vec<u8>, | |
109 | } | |
110 | ||
111 | fn find_codec_name(registry: &[(&[u8;4], &'static str)], fcc: u32) -> &'static str { | |
112 | for &(fourcc, name) in registry { | |
113 | if mktag!(fourcc) == fcc { return name; } | |
114 | } | |
115 | "unknown" | |
116 | } | |
117 | ||
118 | fn read_14or30(src: &mut ByteReader) -> DemuxerResult<(bool, u32)> { | |
119 | let tmp = src.read_u16be()?; | |
120 | let flag = (tmp & 0x8000) != 0; | |
121 | if (tmp & 0x4000) == 0x4000 { | |
122 | Ok((flag, ((tmp & 0x3FFF) as u32))) | |
123 | } else { | |
124 | let val = ((tmp as u32) << 16) | (src.read_u16be()? as u32); | |
125 | Ok((flag, val & 0x3FFFFFFF)) | |
126 | } | |
127 | } | |
128 | ||
129 | fn read_video_buf(src: &mut ByteReader, stream: Rc<NAStream>, ts: u32, keyframe: bool, frame_size: usize) -> DemuxerResult<NAPacket> { | |
130 | let size = (frame_size as usize) + 9; | |
131 | let mut vec: Vec<u8> = Vec::with_capacity(size); | |
132 | vec.resize(size, 0); | |
133 | //v[0] = 0; // 1 slice | |
134 | vec[4] = 1; | |
135 | src.read_buf(&mut vec[9..])?; | |
136 | ||
137 | let (tb_num, tb_den) = stream.get_timebase(); | |
138 | let ts = NATimeInfo::new(Some(ts as u64), None, None, tb_num, tb_den); | |
139 | Ok(NAPacket::new(stream, ts, keyframe, vec)) | |
140 | } | |
141 | ||
142 | fn read_multiple_frame(src: &mut ByteReader, stream: Rc<NAStream>, keyframe: bool, skip_mtype: bool) -> DemuxerResult<NAPacket> { | |
143 | if !skip_mtype { | |
144 | let mtype = src.read_byte()?; | |
145 | validate!(mtype == 0xC0); | |
146 | } | |
147 | let (_, frame_size) = read_14or30(src)?; | |
148 | let (_, timestamp) = read_14or30(src)?; | |
149 | let seq_no = src.read_byte()?; | |
150 | println!(" multiple frame size {} ts {} seq {}", frame_size, timestamp, seq_no); | |
151 | ||
152 | read_video_buf(src, stream, timestamp, keyframe, frame_size as usize) | |
153 | } | |
154 | ||
155 | impl<'a> DemuxCore<'a> for RealMediaDemuxer<'a> { | |
156 | #[allow(unused_variables)] | |
157 | fn open(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<()> { | |
158 | self.read_header(strmgr)?; | |
159 | Ok(()) | |
160 | } | |
161 | ||
162 | #[allow(unused_variables)] | |
163 | fn get_frame(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<NAPacket> { | |
164 | if !self.queued_pkts.is_empty() { | |
165 | let pkt = self.queued_pkts.pop().unwrap(); | |
166 | return Ok(pkt); | |
167 | } | |
168 | loop { | |
169 | if self.cur_packet >= self.num_packets { return Err(DemuxerError::EOF); } | |
170 | ||
171 | let pkt_start = self.src.tell(); | |
172 | let ver = self.src.read_u16le()?; | |
173 | validate!(ver <= 1); | |
174 | let len = self.src.read_u16be()? as usize; | |
175 | let str_no = self.src.read_u16be()?; | |
176 | let ts = self.src.read_u32be()?; | |
177 | let pkt_grp; | |
178 | if ver == 0 { | |
179 | pkt_grp = self.src.read_byte()?; | |
180 | } else { | |
181 | //asm_rule = self.src.read_u16le()?; | |
182 | self.src.read_skip(2)?; | |
183 | pkt_grp = 0; | |
184 | } | |
185 | let flags = self.src.read_byte()?; | |
186 | let hdr_size = self.src.tell() - pkt_start; | |
187 | println!("packet @{:X} size {} for {} ts {} grp {} flags {:X}", pkt_start, len, str_no, ts, pkt_grp, flags); | |
188 | self.cur_packet += 1; | |
189 | ||
190 | let payload_size = len - (hdr_size as usize); | |
191 | ||
192 | let sr = self.str_ids.iter().position(|x| *x == str_no); | |
193 | if sr.is_none() { | |
194 | println!("stream {} not found", str_no); | |
195 | self.src.read_skip(payload_size)?; | |
196 | return Err(DemuxerError::InvalidData); | |
197 | } | |
198 | let str_id = sr.unwrap(); | |
199 | let stream = strmgr.get_stream_by_id(str_no as u32).unwrap(); | |
200 | println!(" stream {}", str_id); | |
201 | if strmgr.is_ignored_id(str_no as u32) { | |
202 | self.src.read_skip(payload_size)?; | |
203 | continue; | |
204 | } | |
205 | //todo skip unwanted packet | |
206 | let keyframe = (flags & KEYFRAME_FLAG) != 0; | |
207 | ||
208 | let result = match self.streams[str_id] { | |
209 | RMStreamType::Video(ref mut vstr) => { | |
210 | ||
211 | let pos = self.src.tell(); | |
212 | let b0 = self.src.read_byte()?; | |
213 | match b0 >> 6 { | |
214 | 0 => { // partial frame | |
215 | let b1 = self.src.read_byte()?; | |
216 | let hdr1 = ((b0 as u16) << 8) | (b1 as u16); | |
217 | let num_pkts = ((hdr1 >> 7) & 0x7F) as usize; | |
218 | let packet_num = hdr1 & 0x7F; | |
219 | let (_, frame_size) = read_14or30(self.src)?; | |
220 | let (_, off) = read_14or30(self.src)?; | |
221 | let seq_no = self.src.read_byte()?; | |
222 | println!(" mode 0 pkt {}/{} off {}/{} seq {}", packet_num, num_pkts, off, frame_size, seq_no); | |
223 | let hdr_skip = (self.src.tell() - pos) as usize; | |
224 | ||
225 | let slice_size = (payload_size - hdr_skip) as usize; | |
226 | self.slice_buf.resize(slice_size, 0); | |
227 | self.src.read_buf(self.slice_buf.as_mut_slice())?; | |
228 | if packet_num == 1 { | |
229 | vstr.start_slice(num_pkts, frame_size as usize, self.slice_buf.as_slice()); | |
230 | } else { | |
231 | vstr.add_slice(packet_num as usize, self.slice_buf.as_slice()); | |
232 | } | |
233 | continue; | |
234 | }, | |
235 | 1 => { // whole frame | |
236 | let seq_no = self.src.read_byte()?; | |
237 | println!(" mode 1 seq {}", seq_no); | |
238 | read_video_buf(self.src, stream, ts, keyframe, payload_size - 1) | |
239 | }, | |
240 | 2 => { // last partial frame | |
241 | let b1 = self.src.read_byte()?; | |
242 | let hdr1 = ((b0 as u16) << 8) | (b1 as u16); | |
243 | let num_pkts = ((hdr1 >> 7) & 0x7F) as usize; | |
244 | let packet_num = hdr1 & 0x7F; | |
245 | let (_, frame_size) = read_14or30(self.src)?; | |
246 | let (_, tail_size) = read_14or30(self.src)?; | |
247 | let seq_no = self.src.read_byte()?; | |
248 | println!(" mode 2 pkt {}/{} tail {}/{} seq {}", packet_num, num_pkts, tail_size, frame_size, seq_no); | |
249 | self.slice_buf.resize(tail_size as usize, 0); | |
250 | self.src.read_buf(self.slice_buf.as_mut_slice())?; | |
251 | vstr.add_slice(packet_num as usize, self.slice_buf.as_slice()); | |
252 | ||
253 | while self.src.tell() < pos + (payload_size as u64) { | |
254 | let res = read_multiple_frame(self.src, stream.clone(), false, false); | |
255 | if res.is_err() { break; } | |
256 | self.queued_pkts.push(res.unwrap()); | |
257 | } | |
258 | self.queued_pkts.reverse(); | |
259 | let (tb_num, tb_den) = stream.get_timebase(); | |
260 | let ts = NATimeInfo::new(Some(ts as u64), None, None, tb_num, tb_den); | |
261 | let pkt = NAPacket::new(stream, ts, keyframe, vstr.get_frame_data()); | |
262 | Ok(pkt) | |
263 | }, | |
264 | _ => { // multiple frames | |
265 | println!(" mode 3"); | |
266 | let res = read_multiple_frame(self.src, stream.clone(), keyframe, true); | |
267 | if res.is_err() { return res; } | |
268 | while self.src.tell() < pos + (payload_size as u64) { | |
269 | let res = read_multiple_frame(self.src, stream.clone(), false, false); | |
270 | if res.is_err() { break; } | |
271 | self.queued_pkts.push(res.unwrap()); | |
272 | } | |
273 | self.queued_pkts.reverse(); | |
274 | res | |
275 | }, | |
276 | } | |
277 | }, | |
278 | RMStreamType::Audio(ref mut astr) => { | |
279 | let (tb_num, tb_den) = stream.get_timebase(); | |
280 | let ts = NATimeInfo::new(Some(ts as u64), None, None, tb_num, tb_den); | |
281 | self.src.read_packet(stream, ts, keyframe, payload_size) | |
282 | }, | |
283 | _ => { | |
284 | // self.src.read_skip(payload_size)?; | |
285 | Err(DemuxerError::InvalidData) | |
286 | }, | |
287 | }; | |
288 | return result; | |
289 | } | |
290 | } | |
291 | ||
292 | #[allow(unused_variables)] | |
293 | fn seek(&mut self, time: u64) -> DemuxerResult<()> { | |
294 | Err(NotImplemented) | |
295 | } | |
296 | } | |
297 | ||
298 | fn read_chunk(src: &mut ByteReader) -> DemuxerResult<(u32, u32, u16)> { | |
299 | let id = src.read_u32be()?; | |
300 | let size = src.read_u32be()?; | |
301 | validate!(size >= 10); | |
302 | let ver = src.read_u16be()?; | |
303 | validate!(ver <= 1); | |
304 | Ok((id, size, ver)) | |
305 | } | |
306 | ||
307 | const RMVB_HDR_SIZE: u32 = 18; | |
308 | const RMVB_PROP_SIZE: u32 = 50; | |
309 | const KEYFRAME_FLAG: u8 = 0x02; | |
310 | ||
311 | impl<'a> RealMediaDemuxer<'a> { | |
312 | fn new(io: &'a mut ByteReader<'a>) -> Self { | |
313 | RealMediaDemuxer { | |
314 | src: io, | |
315 | data_pos: 0, | |
316 | num_packets: 0, | |
317 | cur_packet: 0, | |
318 | streams: Vec::new(), | |
319 | str_ids: Vec::new(), | |
320 | queued_pkts: Vec::new(), | |
321 | slice_buf: Vec::new(), | |
322 | } | |
323 | } | |
324 | #[allow(unused_variables)] | |
325 | fn read_header(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<()> { | |
326 | let (id, size, ver) = read_chunk(self.src)?; | |
327 | validate!(id == mktag!(b".RMF")); | |
328 | validate!(size >= RMVB_HDR_SIZE); | |
329 | let fver = self.src.read_u32be()?; | |
330 | validate!(fver <= 1); | |
331 | let num_hdr = self.src.read_u32be()? as usize; | |
332 | validate!(num_hdr >= 1); | |
333 | if size > RMVB_HDR_SIZE { | |
334 | self.src.read_skip((size - RMVB_HDR_SIZE) as usize)?; | |
335 | } | |
336 | ||
337 | let (id, size, ver) = read_chunk(self.src)?; | |
338 | validate!(size >= RMVB_PROP_SIZE); | |
339 | validate!(ver == 0); | |
340 | let maxbr = self.src.read_u32be()?; | |
341 | let avgbr = self.src.read_u32be()?; | |
342 | let maxps = self.src.read_u32be()?; | |
343 | let avgps = self.src.read_u32be()?; | |
344 | let num_pkt = self.src.read_u32be()? as usize; | |
345 | let duration = self.src.read_u32be()?; | |
346 | let preroll = self.src.read_u32be()?; | |
347 | let idx_off = self.src.read_u32be()?; | |
348 | let data_off = self.src.read_u32be()?; | |
349 | let num_streams = self.src.read_u16be()? as usize; | |
350 | let flags = self.src.read_u16be()?; | |
351 | if size > RMVB_PROP_SIZE { | |
352 | self.src.read_skip((size - RMVB_PROP_SIZE) as usize)?; | |
353 | } | |
354 | ||
355 | for _ in 0..num_hdr { | |
356 | self.parse_chunk(strmgr)?; | |
357 | } | |
358 | println!("now @ {:X} / {}", self.src.tell(), self.data_pos); | |
359 | validate!(self.data_pos > 0); | |
360 | self.src.seek(SeekFrom::Start(self.data_pos))?; | |
361 | let num_packets = self.src.read_u32be()?; | |
362 | let next_data_hdr = self.src.read_u32be()?; | |
363 | self.num_packets = num_packets; | |
364 | self.cur_packet = 0; | |
365 | Ok(()) | |
366 | } | |
367 | fn parse_chunk(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<()> { | |
368 | let (id, size, ver) = read_chunk(self.src)?; | |
369 | let end_pos = self.src.tell() - 10 + (size as u64); | |
370 | ||
371 | validate!(ver == 0); | |
372 | if id == mktag!(b"CONT") { self.parse_content_desc()?; } | |
373 | else if id == mktag!(b"MDPR") { self.parse_mdpr(strmgr)?; } | |
374 | else if id == mktag!(b"DATA") { if self.data_pos == 0 { self.data_pos = self.src.tell(); } } | |
375 | else if id == mktag!(b"INDX") { /* do nothing for now */ } | |
376 | else { println!("unknown chunk type {:08X}", id); } | |
377 | ||
378 | let cpos = self.src.tell(); | |
379 | if cpos < end_pos { | |
380 | self.src.read_skip((end_pos - cpos) as usize)?; | |
381 | } | |
382 | Ok(()) | |
383 | } | |
384 | #[allow(unused_variables)] | |
385 | fn parse_content_desc(&mut self) -> DemuxerResult<()> { | |
386 | let title_len = self.src.read_u16be()? as usize; | |
387 | self.src.read_skip(title_len)?; | |
388 | let author_len = self.src.read_u16be()? as usize; | |
389 | self.src.read_skip(author_len)?; | |
390 | let copywrong_len = self.src.read_u16be()? as usize; | |
391 | self.src.read_skip(copywrong_len)?; | |
392 | let comment_len = self.src.read_u16be()? as usize; | |
393 | self.src.read_skip(comment_len)?; | |
394 | Ok(()) | |
395 | } | |
396 | #[allow(unused_variables)] | |
397 | fn parse_mdpr(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<()> { | |
398 | let stream_no = self.src.read_u16be()?; | |
399 | //todo check stream_no for duplicates | |
400 | let maxbr = self.src.read_u32be()?; | |
401 | let avgbr = self.src.read_u32be()?; | |
402 | let maxps = self.src.read_u32be()?; | |
403 | let avgps = self.src.read_u32be()?; | |
404 | let start = self.src.read_u32be()?; | |
405 | let preroll = self.src.read_u32be()?; | |
406 | let duration = self.src.read_u32be()?; | |
407 | let sname_size = self.src.read_byte()? as usize; | |
408 | let sname = read_string_size(self.src, sname_size)?; | |
409 | println!("str #{} sname = {} pkts {}/{} start {} preroll {}", stream_no, sname, maxps, avgps, start, preroll); | |
410 | let mime_size = self.src.read_byte()? as usize; | |
411 | let mime = read_string_size(self.src, mime_size)?; | |
412 | println!("mime = {}", mime); | |
413 | let edata_size = self.src.read_u32be()? as usize; | |
414 | let edata: Option<Vec<u8>> = if edata_size == 0 { None } else { | |
415 | let mut edvec: Vec<u8> = Vec::with_capacity(edata_size); | |
416 | edvec.resize(edata_size, 0); | |
417 | self.src.read_buf(&mut edvec)?; | |
418 | Some(edvec) | |
419 | }; | |
420 | self.str_ids.push(stream_no); | |
421 | if edata_size > 8 { | |
422 | if let Some(edata_) = edata { | |
423 | let mut mr = MemoryReader::new_read(edata_.as_slice()); | |
424 | let mut src = ByteReader::new(&mut mr); | |
425 | ||
426 | let tag = src.read_u32be()?; | |
427 | let tag2 = src.peek_u32be()?; | |
428 | println!("tag1 {:X} tag2 {:X}", tag, tag2); | |
429 | if tag == mktag!('.', 'r', 'a', 0xFD) { | |
430 | //todo audio | |
431 | let cname = "unknown";//find_codec_name(RM_AUDIO_CODEC_REGISTER, fcc); | |
432 | let soniton = NASoniton::new(16, SONITON_FLAG_SIGNED); | |
433 | let ahdr = NAAudioInfo::new(44100, 2, soniton, 1/*block_align as usize*/); | |
434 | let extradata = None; | |
435 | let ainfo = NACodecInfo::new(cname, NACodecTypeInfo::Audio(ahdr), extradata); | |
436 | let res = strmgr.add_stream(NAStream::new(StreamType::Audio, stream_no as u32, ainfo, 1, 44100)); | |
437 | if res.is_none() { return Err(MemoryError); } | |
438 | ||
439 | let astr = RMAudioStream::new(Deinterleaver::None); | |
440 | self.streams.push(RMStreamType::Audio(astr)); | |
441 | } else if ((tag2 == mktag!('V', 'I', 'D', 'O')) || (tag2 == mktag!('I', 'M', 'A', 'G'))) && ((tag as usize) <= edata_size) { | |
442 | src.read_skip(4)?; | |
443 | let fcc = src.read_u32be()?; | |
444 | let width = src.read_u16be()? as usize; | |
445 | let height = src.read_u16be()? as usize; | |
446 | let bpp = src.read_u16be()?; | |
447 | let pad_w = src.read_u16be()?; | |
448 | let pad_h = src.read_u16be()?; | |
449 | let fps; | |
450 | if tag2 == mktag!('V', 'I', 'D', 'O') { | |
451 | fps = src.read_u32be()?; | |
452 | } else { | |
453 | fps = 0x10000; | |
454 | } | |
455 | let extradata: Option<Vec<u8>>; | |
456 | if src.left() > 0 { | |
457 | let eslice = &edata_[(src.tell() as usize)..]; | |
458 | extradata = Some(eslice.to_vec()); | |
459 | } else { | |
460 | extradata = None; | |
461 | } | |
462 | let cname = find_codec_name(RM_VIDEO_CODEC_REGISTER, fcc); | |
463 | ||
464 | let vhdr = NAVideoInfo::new(width, height, false, RGB24_FORMAT); | |
465 | let vinfo = NACodecInfo::new(cname, NACodecTypeInfo::Video(vhdr), extradata); | |
466 | let res = strmgr.add_stream(NAStream::new(StreamType::Video, stream_no as u32, vinfo, 0x10000, fps)); | |
467 | if res.is_none() { return Err(DemuxerError::MemoryError); } | |
468 | ||
469 | let vstr = RMVideoStream::new(); | |
470 | self.streams.push(RMStreamType::Video(vstr)); | |
471 | } else { | |
472 | self.streams.push(RMStreamType::Logical); | |
473 | } | |
474 | } | |
475 | } else { | |
476 | self.streams.push(RMStreamType::Unknown); | |
477 | } | |
478 | ||
479 | Ok(()) | |
480 | } | |
481 | /*#[allow(unused_variables)] | |
482 | fn read_pkt_header(&mut self) -> DemuxerResult<()> { | |
483 | let ver = self.src.read_u16be()?; | |
484 | validate!(ver <= 1); | |
485 | let str_no = self.src.read_u16be()?; | |
486 | let timestamp = self.src.read_u32be()?; | |
487 | if ver == 0 { | |
488 | let pkt_group = self.src.read_byte()?; | |
489 | let pkt_flags = self.src.read_byte()?; | |
490 | } else { | |
491 | let asm_rule = self.src.read_u16be()?; | |
492 | let asm_flags = self.src.read_byte()?; | |
493 | } | |
494 | Ok(()) | |
495 | }*/ | |
496 | } | |
497 | ||
498 | fn read_string(src: &mut ByteReader) -> DemuxerResult<String> { | |
499 | let mut vec: Vec<u8> = Vec::new(); | |
500 | loop { | |
501 | let c = src.read_byte()?; | |
502 | if c == 0 { break; } | |
503 | vec.push(c); | |
504 | } | |
505 | let str = String::from_utf8(vec); | |
506 | if str.is_ok() { | |
507 | Ok(str.unwrap()) | |
508 | } else { | |
509 | Ok(String::new()) | |
510 | } | |
511 | } | |
512 | ||
513 | fn read_string_size(src: &mut ByteReader, size: usize) -> DemuxerResult<String> { | |
514 | let mut vec: Vec<u8> = Vec::new(); | |
515 | for _ in 0..size { | |
516 | let c = src.read_byte()?; | |
517 | vec.push(c); | |
518 | } | |
519 | let str = String::from_utf8(vec); | |
520 | if str.is_ok() { | |
521 | Ok(str.unwrap()) | |
522 | } else { | |
523 | Ok(String::new()) | |
524 | } | |
525 | } | |
526 | ||
527 | #[allow(dead_code)] | |
528 | #[allow(unused_variables)] | |
529 | fn parse_rm_stream(io: &mut ByteReader) -> DemuxerResult<NAStream> { | |
530 | let mimetype = read_string(io)?; | |
531 | let strname = read_string(io)?; | |
532 | let strnum = io.read_u32le()?; | |
533 | let maxbr = io.read_u32le()?; | |
534 | let avgbr = io.read_u32le()?; | |
535 | let maxsize = io.read_u32le()?; | |
536 | let avgsize = io.read_u32le()?; | |
537 | let duration = io.read_u32le()?; | |
538 | let preroll = io.read_u32le()?; | |
539 | let start = io.read_u32le()?; | |
540 | let edatalen = io.read_u32le()? as usize; | |
541 | let mut edata: Vec<u8> = Vec::with_capacity(edatalen); | |
542 | edata.resize(edatalen, 0); | |
543 | io.read_buf(&mut edata)?; | |
544 | let numprops = io.read_u32le()? as usize; | |
545 | //read properties | |
546 | unimplemented!(); | |
547 | } | |
548 | ||
549 | #[allow(dead_code)] | |
550 | #[allow(unused_variables)] | |
551 | fn read_ra_vbr_stream(io: &mut ByteReader) -> DemuxerResult<NAPacket> { | |
552 | let hdrsizesize = io.read_u16le()?; | |
553 | let num_entries = (hdrsizesize / 16) as usize; | |
554 | let mut sizes: Vec<usize> = Vec::with_capacity(num_entries); | |
555 | for _ in 0..num_entries { | |
556 | let sz = io.read_u16le()? as usize; | |
557 | sizes.push(sz); | |
558 | } | |
559 | for i in 0..num_entries { | |
560 | //read packet of sizes[i] | |
561 | } | |
562 | unimplemented!(); | |
563 | } | |
564 | ||
565 | //todo interleavers | |
566 | ||
567 | //todo opaque data | |
568 | ||
569 | ||
570 | static RM_VIDEO_CODEC_REGISTER: &'static [(&[u8;4], &str)] = &[ | |
571 | (b"RV10", "realvideo1"), | |
572 | (b"RV20", "realvideo2"), | |
573 | (b"RVTR", "realvideo2"), | |
574 | (b"RV30", "realvideo3"), | |
575 | (b"RV40", "realvideo4"), | |
576 | (b"CLV1", "clearvideo"), | |
577 | ]; | |
578 | ||
579 | #[allow(dead_code)] | |
580 | static RM_AUDIO_CODEC_REGISTER: &'static [(&[u8;4], &str)] = &[ | |
581 | (b"lpcJ", "ra14.4"), | |
582 | (b"28_8", "ra28.8"), | |
583 | (b"cook", "cook"), | |
584 | (b"dnet", "ac3"), | |
585 | (b"sipr", "sipro"), | |
586 | (b"atrc", "atrac3"), | |
587 | (b"LSD:", "ralf"), | |
588 | (b"raac", "aac"), | |
589 | (b"racp", "aac"), | |
590 | ]; | |
591 | ||
592 | pub struct RealMediaDemuxerCreator { } | |
593 | ||
594 | impl DemuxerCreator for RealMediaDemuxerCreator { | |
595 | fn new_demuxer<'a>(&self, br: &'a mut ByteReader<'a>) -> Box<DemuxCore<'a> + 'a> { | |
596 | Box::new(RealMediaDemuxer::new(br)) | |
597 | } | |
598 | fn get_name(&self) -> &'static str { "realmedia" } | |
599 | } | |
600 | ||
601 | #[cfg(test)] | |
602 | mod test { | |
603 | use super::*; | |
604 | use std::fs::File; | |
605 | ||
606 | #[test] | |
607 | fn test_rm_demux() { | |
608 | let mut file = | |
609 | File::open("assets/RV/rv10_dnet_640x352_realvideo_encoder_4.0.rm").unwrap(); | |
610 | // File::open("assets/RV/rv20_cook_640x352_realproducer_plus_8.51.rm").unwrap(); | |
611 | // File::open("assets/RV/rv20_svt_atrc_640x352_realproducer_plus_8.51.rm").unwrap(); | |
612 | // File::open("assets/RV/rv30_atrc_384x208_realproducer_plus_8.51.rm").unwrap(); | |
613 | // File::open("assets/RV/rv30_chroma_drift.rm").unwrap(); | |
614 | // File::open("assets/RV/rv30_weighted_mc.rm").unwrap(); | |
615 | // File::open("assets/RV/rv40_weighted_mc.rmvb").unwrap(); | |
616 | // File::open("assets/RV/rv40_weighted_mc_2.rmvb").unwrap(); | |
617 | // File::open("assets/RV/clv1_sipr_384x208_realvideo_encoder_4.0.rm").unwrap(); | |
618 | // File::open("assets/RV/luckynight.rmvb").unwrap(); | |
619 | // File::open("assets/RV/rv40_ralf.rmvb").unwrap(); | |
620 | let mut fr = FileReader::new_read(&mut file); | |
621 | let mut br = ByteReader::new(&mut fr); | |
622 | let mut dmx = RealMediaDemuxer::new(&mut br); | |
623 | let mut sm = StreamManager::new(); | |
624 | dmx.open(&mut sm).unwrap(); | |
625 | ||
626 | loop { | |
627 | let pktres = dmx.get_frame(&mut sm); | |
628 | if let Err(e) = pktres { | |
629 | if e == DemuxerError::EOF { break; } | |
630 | panic!("error"); | |
631 | } | |
632 | let pkt = pktres.unwrap(); | |
633 | println!("Got {}", pkt); | |
634 | } | |
635 | //panic!("the end"); | |
636 | } | |
637 | } |