Commit | Line | Data |
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ce52b3b5 KS |
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 | #[derive(Clone,Copy,PartialEq)] | |
72 | enum Deinterleaver { | |
73 | None, | |
74 | Generic, | |
75 | Sipro, | |
76 | VBR, | |
77 | } | |
78 | ||
79 | struct RMAudioStream { | |
80 | deint: Deinterleaver, | |
81 | } | |
82 | ||
83 | impl RMAudioStream { | |
84 | fn new(deint: Deinterleaver) -> Self { | |
85 | RMAudioStream { deint: deint } | |
86 | } | |
87 | } | |
88 | ||
89 | enum RMStreamType { | |
90 | Audio(RMAudioStream), | |
91 | Video(RMVideoStream), | |
92 | Logical, | |
93 | Unknown, | |
94 | } | |
95 | ||
96 | struct RealMediaDemuxer<'a> { | |
97 | src: &'a mut ByteReader<'a>, | |
98 | data_pos: u64, | |
99 | num_packets: u32, | |
100 | cur_packet: u32, | |
101 | ||
102 | streams: Vec<RMStreamType>, | |
103 | str_ids: Vec<u16>, | |
104 | ||
105 | queued_pkts: Vec<NAPacket>, | |
106 | slice_buf: Vec<u8>, | |
107 | } | |
108 | ||
109 | fn find_codec_name(registry: &[(&[u8;4], &'static str)], fcc: u32) -> &'static str { | |
110 | for &(fourcc, name) in registry { | |
111 | if mktag!(fourcc) == fcc { return name; } | |
112 | } | |
113 | "unknown" | |
114 | } | |
115 | ||
116 | fn read_14or30(src: &mut ByteReader) -> DemuxerResult<(bool, u32)> { | |
117 | let tmp = src.read_u16be()?; | |
118 | let flag = (tmp & 0x8000) != 0; | |
119 | if (tmp & 0x4000) == 0x4000 { | |
120 | Ok((flag, ((tmp & 0x3FFF) as u32))) | |
121 | } else { | |
122 | let val = ((tmp as u32) << 16) | (src.read_u16be()? as u32); | |
123 | Ok((flag, val & 0x3FFFFFFF)) | |
124 | } | |
125 | } | |
126 | ||
127 | fn read_video_buf(src: &mut ByteReader, stream: Rc<NAStream>, ts: u32, keyframe: bool, frame_size: usize) -> DemuxerResult<NAPacket> { | |
128 | let size = (frame_size as usize) + 9; | |
129 | let mut vec: Vec<u8> = Vec::with_capacity(size); | |
130 | vec.resize(size, 0); | |
131 | //v[0] = 0; // 1 slice | |
132 | vec[4] = 1; | |
133 | src.read_buf(&mut vec[9..])?; | |
134 | ||
135 | let (tb_num, tb_den) = stream.get_timebase(); | |
136 | let ts = NATimeInfo::new(Some(ts as u64), None, None, tb_num, tb_den); | |
137 | Ok(NAPacket::new(stream, ts, keyframe, vec)) | |
138 | } | |
139 | ||
140 | fn read_multiple_frame(src: &mut ByteReader, stream: Rc<NAStream>, keyframe: bool, skip_mtype: bool) -> DemuxerResult<NAPacket> { | |
141 | if !skip_mtype { | |
142 | let mtype = src.read_byte()?; | |
143 | validate!(mtype == 0xC0); | |
144 | } | |
145 | let (_, frame_size) = read_14or30(src)?; | |
146 | let (_, timestamp) = read_14or30(src)?; | |
147 | let seq_no = src.read_byte()?; | |
148 | println!(" multiple frame size {} ts {} seq {}", frame_size, timestamp, seq_no); | |
149 | ||
150 | read_video_buf(src, stream, timestamp, keyframe, frame_size as usize) | |
151 | } | |
152 | ||
153 | impl<'a> DemuxCore<'a> for RealMediaDemuxer<'a> { | |
154 | #[allow(unused_variables)] | |
155 | fn open(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<()> { | |
156 | self.read_header(strmgr)?; | |
157 | Ok(()) | |
158 | } | |
159 | ||
160 | #[allow(unused_variables)] | |
161 | fn get_frame(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<NAPacket> { | |
162 | if !self.queued_pkts.is_empty() { | |
163 | let pkt = self.queued_pkts.pop().unwrap(); | |
164 | return Ok(pkt); | |
165 | } | |
166 | loop { | |
167 | if self.cur_packet >= self.num_packets { return Err(DemuxerError::EOF); } | |
168 | ||
169 | let pkt_start = self.src.tell(); | |
170 | let ver = self.src.read_u16le()?; | |
171 | validate!(ver <= 1); | |
172 | let len = self.src.read_u16be()? as usize; | |
173 | let str_no = self.src.read_u16be()?; | |
174 | let ts = self.src.read_u32be()?; | |
175 | let pkt_grp; | |
176 | if ver == 0 { | |
177 | pkt_grp = self.src.read_byte()?; | |
178 | } else { | |
179 | //asm_rule = self.src.read_u16le()?; | |
180 | self.src.read_skip(2)?; | |
181 | pkt_grp = 0; | |
182 | } | |
183 | let flags = self.src.read_byte()?; | |
184 | let hdr_size = self.src.tell() - pkt_start; | |
185 | println!("packet @{:X} size {} for {} ts {} grp {} flags {:X}", pkt_start, len, str_no, ts, pkt_grp, flags); | |
186 | self.cur_packet += 1; | |
187 | ||
188 | let payload_size = len - (hdr_size as usize); | |
189 | ||
190 | let sr = self.str_ids.iter().position(|x| *x == str_no); | |
191 | if sr.is_none() { | |
192 | println!("stream {} not found", str_no); | |
193 | self.src.read_skip(payload_size)?; | |
194 | return Err(DemuxerError::InvalidData); | |
195 | } | |
196 | let str_id = sr.unwrap(); | |
197 | let stream = strmgr.get_stream_by_id(str_no as u32).unwrap(); | |
198 | println!(" stream {}", str_id); | |
199 | if strmgr.is_ignored_id(str_no as u32) { | |
200 | self.src.read_skip(payload_size)?; | |
201 | continue; | |
202 | } | |
203 | //todo skip unwanted packet | |
204 | let keyframe = (flags & KEYFRAME_FLAG) != 0; | |
205 | ||
206 | let result = match self.streams[str_id] { | |
207 | RMStreamType::Video(ref mut vstr) => { | |
208 | ||
209 | let pos = self.src.tell(); | |
210 | let b0 = self.src.read_byte()?; | |
211 | match b0 >> 6 { | |
212 | 0 => { // partial frame | |
213 | let b1 = self.src.read_byte()?; | |
214 | let hdr1 = ((b0 as u16) << 8) | (b1 as u16); | |
215 | let num_pkts = ((hdr1 >> 7) & 0x7F) as usize; | |
216 | let packet_num = hdr1 & 0x7F; | |
217 | let (_, frame_size) = read_14or30(self.src)?; | |
218 | let (_, off) = read_14or30(self.src)?; | |
219 | let seq_no = self.src.read_byte()?; | |
220 | println!(" mode 0 pkt {}/{} off {}/{} seq {}", packet_num, num_pkts, off, frame_size, seq_no); | |
221 | let hdr_skip = (self.src.tell() - pos) as usize; | |
222 | ||
223 | let slice_size = (payload_size - hdr_skip) as usize; | |
224 | self.slice_buf.resize(slice_size, 0); | |
225 | self.src.read_buf(self.slice_buf.as_mut_slice())?; | |
226 | if packet_num == 1 { | |
227 | vstr.start_slice(num_pkts, frame_size as usize, self.slice_buf.as_slice()); | |
228 | } else { | |
229 | vstr.add_slice(packet_num as usize, self.slice_buf.as_slice()); | |
230 | } | |
231 | continue; | |
232 | }, | |
233 | 1 => { // whole frame | |
234 | let seq_no = self.src.read_byte()?; | |
235 | println!(" mode 1 seq {}", seq_no); | |
236 | read_video_buf(self.src, stream, ts, keyframe, payload_size - 1) | |
237 | }, | |
238 | 2 => { // last partial frame | |
239 | let b1 = self.src.read_byte()?; | |
240 | let hdr1 = ((b0 as u16) << 8) | (b1 as u16); | |
241 | let num_pkts = ((hdr1 >> 7) & 0x7F) as usize; | |
242 | let packet_num = hdr1 & 0x7F; | |
243 | let (_, frame_size) = read_14or30(self.src)?; | |
244 | let (_, tail_size) = read_14or30(self.src)?; | |
245 | let seq_no = self.src.read_byte()?; | |
246 | println!(" mode 2 pkt {}/{} tail {}/{} seq {}", packet_num, num_pkts, tail_size, frame_size, seq_no); | |
247 | self.slice_buf.resize(tail_size as usize, 0); | |
248 | self.src.read_buf(self.slice_buf.as_mut_slice())?; | |
249 | vstr.add_slice(packet_num as usize, self.slice_buf.as_slice()); | |
250 | ||
251 | while self.src.tell() < pos + (payload_size as u64) { | |
252 | let res = read_multiple_frame(self.src, stream.clone(), false, false); | |
253 | if res.is_err() { break; } | |
254 | self.queued_pkts.push(res.unwrap()); | |
255 | } | |
256 | self.queued_pkts.reverse(); | |
257 | let (tb_num, tb_den) = stream.get_timebase(); | |
258 | let ts = NATimeInfo::new(Some(ts as u64), None, None, tb_num, tb_den); | |
259 | let pkt = NAPacket::new(stream, ts, keyframe, vstr.get_frame_data()); | |
260 | Ok(pkt) | |
261 | }, | |
262 | _ => { // multiple frames | |
263 | println!(" mode 3"); | |
264 | let res = read_multiple_frame(self.src, stream.clone(), keyframe, true); | |
265 | if res.is_err() { return res; } | |
266 | while self.src.tell() < pos + (payload_size as u64) { | |
267 | let res = read_multiple_frame(self.src, stream.clone(), false, false); | |
268 | if res.is_err() { break; } | |
269 | self.queued_pkts.push(res.unwrap()); | |
270 | } | |
271 | self.queued_pkts.reverse(); | |
272 | res | |
273 | }, | |
274 | } | |
275 | }, | |
276 | RMStreamType::Audio(ref mut astr) => { | |
277 | let (tb_num, tb_den) = stream.get_timebase(); | |
278 | let ts = NATimeInfo::new(Some(ts as u64), None, None, tb_num, tb_den); | |
279 | self.src.read_packet(stream, ts, keyframe, payload_size) | |
280 | }, | |
281 | _ => { | |
282 | // self.src.read_skip(payload_size)?; | |
283 | Err(DemuxerError::InvalidData) | |
284 | }, | |
285 | }; | |
286 | return result; | |
287 | } | |
288 | } | |
289 | ||
290 | #[allow(unused_variables)] | |
291 | fn seek(&mut self, time: u64) -> DemuxerResult<()> { | |
292 | Err(NotImplemented) | |
293 | } | |
294 | } | |
295 | ||
296 | fn read_chunk(src: &mut ByteReader) -> DemuxerResult<(u32, u32, u16)> { | |
297 | let id = src.read_u32be()?; | |
298 | let size = src.read_u32be()?; | |
299 | validate!(size >= 10); | |
300 | let ver = src.read_u16be()?; | |
301 | validate!(ver <= 1); | |
302 | Ok((id, size, ver)) | |
303 | } | |
304 | ||
305 | const RMVB_HDR_SIZE: u32 = 18; | |
306 | const RMVB_PROP_SIZE: u32 = 50; | |
307 | const KEYFRAME_FLAG: u8 = 0x02; | |
308 | ||
309 | impl<'a> RealMediaDemuxer<'a> { | |
310 | fn new(io: &'a mut ByteReader<'a>) -> Self { | |
311 | RealMediaDemuxer { | |
312 | src: io, | |
313 | data_pos: 0, | |
314 | num_packets: 0, | |
315 | cur_packet: 0, | |
316 | streams: Vec::new(), | |
317 | str_ids: Vec::new(), | |
318 | queued_pkts: Vec::new(), | |
319 | slice_buf: Vec::new(), | |
320 | } | |
321 | } | |
322 | #[allow(unused_variables)] | |
323 | fn read_header(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<()> { | |
324 | let (id, size, ver) = read_chunk(self.src)?; | |
325 | validate!(id == mktag!(b".RMF")); | |
326 | validate!(size >= RMVB_HDR_SIZE); | |
327 | let fver = self.src.read_u32be()?; | |
328 | validate!(fver <= 1); | |
329 | let num_hdr = self.src.read_u32be()? as usize; | |
330 | validate!(num_hdr >= 1); | |
331 | if size > RMVB_HDR_SIZE { | |
332 | self.src.read_skip((size - RMVB_HDR_SIZE) as usize)?; | |
333 | } | |
334 | ||
335 | let (id, size, ver) = read_chunk(self.src)?; | |
336 | validate!(size >= RMVB_PROP_SIZE); | |
337 | validate!(ver == 0); | |
338 | let maxbr = self.src.read_u32be()?; | |
339 | let avgbr = self.src.read_u32be()?; | |
340 | let maxps = self.src.read_u32be()?; | |
341 | let avgps = self.src.read_u32be()?; | |
342 | let num_pkt = self.src.read_u32be()? as usize; | |
343 | let duration = self.src.read_u32be()?; | |
344 | let preroll = self.src.read_u32be()?; | |
345 | let idx_off = self.src.read_u32be()?; | |
346 | let data_off = self.src.read_u32be()?; | |
347 | let num_streams = self.src.read_u16be()? as usize; | |
348 | let flags = self.src.read_u16be()?; | |
349 | if size > RMVB_PROP_SIZE { | |
350 | self.src.read_skip((size - RMVB_PROP_SIZE) as usize)?; | |
351 | } | |
352 | ||
353 | for _ in 0..num_hdr { | |
354 | self.parse_chunk(strmgr)?; | |
355 | } | |
356 | println!("now @ {:X} / {}", self.src.tell(), self.data_pos); | |
357 | validate!(self.data_pos > 0); | |
358 | self.src.seek(SeekFrom::Start(self.data_pos))?; | |
359 | let num_packets = self.src.read_u32be()?; | |
360 | let next_data_hdr = self.src.read_u32be()?; | |
361 | self.num_packets = num_packets; | |
362 | self.cur_packet = 0; | |
363 | Ok(()) | |
364 | } | |
365 | fn parse_chunk(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<()> { | |
366 | let (id, size, ver) = read_chunk(self.src)?; | |
367 | let end_pos = self.src.tell() - 10 + (size as u64); | |
368 | ||
369 | validate!(ver == 0); | |
370 | if id == mktag!(b"CONT") { self.parse_content_desc()?; } | |
371 | else if id == mktag!(b"MDPR") { self.parse_mdpr(strmgr)?; } | |
372 | else if id == mktag!(b"DATA") { if self.data_pos == 0 { self.data_pos = self.src.tell(); } } | |
373 | else if id == mktag!(b"INDX") { /* do nothing for now */ } | |
374 | else { println!("unknown chunk type {:08X}", id); } | |
375 | ||
376 | let cpos = self.src.tell(); | |
377 | if cpos < end_pos { | |
378 | self.src.read_skip((end_pos - cpos) as usize)?; | |
379 | } | |
380 | Ok(()) | |
381 | } | |
382 | #[allow(unused_variables)] | |
383 | fn parse_content_desc(&mut self) -> DemuxerResult<()> { | |
384 | let title_len = self.src.read_u16be()? as usize; | |
385 | self.src.read_skip(title_len)?; | |
386 | let author_len = self.src.read_u16be()? as usize; | |
387 | self.src.read_skip(author_len)?; | |
388 | let copywrong_len = self.src.read_u16be()? as usize; | |
389 | self.src.read_skip(copywrong_len)?; | |
390 | let comment_len = self.src.read_u16be()? as usize; | |
391 | self.src.read_skip(comment_len)?; | |
392 | Ok(()) | |
393 | } | |
394 | #[allow(unused_variables)] | |
395 | fn parse_mdpr(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<()> { | |
396 | let stream_no = self.src.read_u16be()?; | |
397 | //todo check stream_no for duplicates | |
398 | let maxbr = self.src.read_u32be()?; | |
399 | let avgbr = self.src.read_u32be()?; | |
400 | let maxps = self.src.read_u32be()?; | |
401 | let avgps = self.src.read_u32be()?; | |
402 | let start = self.src.read_u32be()?; | |
403 | let preroll = self.src.read_u32be()?; | |
404 | let duration = self.src.read_u32be()?; | |
405 | let sname_size = self.src.read_byte()? as usize; | |
406 | let sname = read_string_size(self.src, sname_size)?; | |
407 | println!("str #{} sname = {} pkts {}/{} start {} preroll {}", stream_no, sname, maxps, avgps, start, preroll); | |
408 | let mime_size = self.src.read_byte()? as usize; | |
409 | let mime = read_string_size(self.src, mime_size)?; | |
410 | println!("mime = {}", mime); | |
411 | let edata_size = self.src.read_u32be()? as usize; | |
412 | let edata: Option<Vec<u8>> = if edata_size == 0 { None } else { | |
413 | let mut edvec: Vec<u8> = Vec::with_capacity(edata_size); | |
414 | edvec.resize(edata_size, 0); | |
415 | self.src.read_buf(&mut edvec)?; | |
416 | Some(edvec) | |
417 | }; | |
418 | self.str_ids.push(stream_no); | |
419 | if edata_size > 8 { | |
420 | if let Some(edata_) = edata { | |
421 | let mut mr = MemoryReader::new_read(edata_.as_slice()); | |
422 | let mut src = ByteReader::new(&mut mr); | |
423 | ||
424 | let tag = src.read_u32be()?; | |
425 | let tag2 = src.peek_u32be()?; | |
426 | println!("tag1 {:X} tag2 {:X}", tag, tag2); | |
427 | if tag == mktag!('.', 'r', 'a', 0xFD) { | |
428 | //todo audio | |
429 | let cname = "unknown";//find_codec_name(RM_AUDIO_CODEC_REGISTER, fcc); | |
430 | let soniton = NASoniton::new(16, SONITON_FLAG_SIGNED); | |
431 | let ahdr = NAAudioInfo::new(44100, 2, soniton, 1/*block_align as usize*/); | |
432 | let extradata = None; | |
433 | let ainfo = NACodecInfo::new(cname, NACodecTypeInfo::Audio(ahdr), extradata); | |
434 | let res = strmgr.add_stream(NAStream::new(StreamType::Audio, stream_no as u32, ainfo, 1, 44100)); | |
435 | if res.is_none() { return Err(MemoryError); } | |
436 | ||
437 | let astr = RMAudioStream::new(Deinterleaver::None); | |
438 | self.streams.push(RMStreamType::Audio(astr)); | |
439 | } else if ((tag2 == mktag!('V', 'I', 'D', 'O')) || (tag2 == mktag!('I', 'M', 'A', 'G'))) && ((tag as usize) <= edata_size) { | |
440 | src.read_skip(4)?; | |
441 | let fcc = src.read_u32be()?; | |
442 | let width = src.read_u16be()? as usize; | |
443 | let height = src.read_u16be()? as usize; | |
444 | let bpp = src.read_u16be()?; | |
445 | let pad_w = src.read_u16be()?; | |
446 | let pad_h = src.read_u16be()?; | |
447 | let fps; | |
448 | if tag2 == mktag!('V', 'I', 'D', 'O') { | |
449 | fps = src.read_u32be()?; | |
450 | } else { | |
451 | fps = 0x10000; | |
452 | } | |
453 | let extradata: Option<Vec<u8>>; | |
454 | if src.left() > 0 { | |
455 | let eslice = &edata_[(src.tell() as usize)..]; | |
456 | extradata = Some(eslice.to_vec()); | |
457 | } else { | |
458 | extradata = None; | |
459 | } | |
460 | let cname = find_codec_name(RM_VIDEO_CODEC_REGISTER, fcc); | |
461 | ||
462 | let vhdr = NAVideoInfo::new(width, height, false, RGB24_FORMAT); | |
463 | let vinfo = NACodecInfo::new(cname, NACodecTypeInfo::Video(vhdr), extradata); | |
464 | let res = strmgr.add_stream(NAStream::new(StreamType::Video, stream_no as u32, vinfo, 0x10000, fps)); | |
465 | if res.is_none() { return Err(DemuxerError::MemoryError); } | |
466 | ||
467 | let vstr = RMVideoStream::new(); | |
468 | self.streams.push(RMStreamType::Video(vstr)); | |
469 | } else { | |
470 | self.streams.push(RMStreamType::Logical); | |
471 | } | |
472 | } | |
473 | } else { | |
474 | self.streams.push(RMStreamType::Unknown); | |
475 | } | |
476 | ||
477 | Ok(()) | |
478 | } | |
479 | /*#[allow(unused_variables)] | |
480 | fn read_pkt_header(&mut self) -> DemuxerResult<()> { | |
481 | let ver = self.src.read_u16be()?; | |
482 | validate!(ver <= 1); | |
483 | let str_no = self.src.read_u16be()?; | |
484 | let timestamp = self.src.read_u32be()?; | |
485 | if ver == 0 { | |
486 | let pkt_group = self.src.read_byte()?; | |
487 | let pkt_flags = self.src.read_byte()?; | |
488 | } else { | |
489 | let asm_rule = self.src.read_u16be()?; | |
490 | let asm_flags = self.src.read_byte()?; | |
491 | } | |
492 | Ok(()) | |
493 | }*/ | |
494 | } | |
495 | ||
496 | fn read_string(src: &mut ByteReader) -> DemuxerResult<String> { | |
497 | let mut vec: Vec<u8> = Vec::new(); | |
498 | loop { | |
499 | let c = src.read_byte()?; | |
500 | if c == 0 { break; } | |
501 | vec.push(c); | |
502 | } | |
503 | let str = String::from_utf8(vec); | |
504 | if str.is_ok() { | |
505 | Ok(str.unwrap()) | |
506 | } else { | |
507 | Ok(String::new()) | |
508 | } | |
509 | } | |
510 | ||
511 | fn read_string_size(src: &mut ByteReader, size: usize) -> DemuxerResult<String> { | |
512 | let mut vec: Vec<u8> = Vec::new(); | |
513 | for _ in 0..size { | |
514 | let c = src.read_byte()?; | |
515 | vec.push(c); | |
516 | } | |
517 | let str = String::from_utf8(vec); | |
518 | if str.is_ok() { | |
519 | Ok(str.unwrap()) | |
520 | } else { | |
521 | Ok(String::new()) | |
522 | } | |
523 | } | |
524 | ||
525 | #[allow(dead_code)] | |
526 | #[allow(unused_variables)] | |
527 | fn parse_rm_stream(io: &mut ByteReader) -> DemuxerResult<NAStream> { | |
528 | let mimetype = read_string(io)?; | |
529 | let strname = read_string(io)?; | |
530 | let strnum = io.read_u32le()?; | |
531 | let maxbr = io.read_u32le()?; | |
532 | let avgbr = io.read_u32le()?; | |
533 | let maxsize = io.read_u32le()?; | |
534 | let avgsize = io.read_u32le()?; | |
535 | let duration = io.read_u32le()?; | |
536 | let preroll = io.read_u32le()?; | |
537 | let start = io.read_u32le()?; | |
538 | let edatalen = io.read_u32le()? as usize; | |
539 | let mut edata: Vec<u8> = Vec::with_capacity(edatalen); | |
540 | edata.resize(edatalen, 0); | |
541 | io.read_buf(&mut edata)?; | |
542 | let numprops = io.read_u32le()? as usize; | |
543 | //read properties | |
544 | unimplemented!(); | |
545 | } | |
546 | ||
547 | #[allow(dead_code)] | |
548 | #[allow(unused_variables)] | |
549 | fn read_ra_vbr_stream(io: &mut ByteReader) -> DemuxerResult<NAPacket> { | |
550 | let hdrsizesize = io.read_u16le()?; | |
551 | let num_entries = (hdrsizesize / 16) as usize; | |
552 | let mut sizes: Vec<usize> = Vec::with_capacity(num_entries); | |
553 | for _ in 0..num_entries { | |
554 | let sz = io.read_u16le()? as usize; | |
555 | sizes.push(sz); | |
556 | } | |
557 | for i in 0..num_entries { | |
558 | //read packet of sizes[i] | |
559 | } | |
560 | unimplemented!(); | |
561 | } | |
562 | ||
563 | //todo interleavers | |
564 | ||
565 | //todo opaque data | |
566 | ||
567 | ||
568 | static RM_VIDEO_CODEC_REGISTER: &'static [(&[u8;4], &str)] = &[ | |
569 | (b"RV10", "realvideo1"), | |
570 | (b"RV20", "realvideo2"), | |
571 | (b"RVTR", "realvideo2"), | |
572 | (b"RV30", "realvideo3"), | |
573 | (b"RV40", "realvideo4"), | |
574 | (b"CLV1", "clearvideo"), | |
575 | ]; | |
576 | ||
577 | static RM_AUDIO_CODEC_REGISTER: &'static [(&[u8;4], &str)] = &[ | |
578 | (b"lpcJ", "ra14.4"), | |
579 | (b"28_8", "ra28.8"), | |
580 | (b"cook", "cook"), | |
581 | (b"dnet", "ac3"), | |
582 | (b"sipr", "sipro"), | |
583 | (b"atrc", "atrac3"), | |
584 | (b"LSD:", "ralf"), | |
585 | (b"raac", "aac"), | |
586 | (b"racp", "aac"), | |
587 | ]; | |
588 | ||
589 | pub struct RealMediaDemuxerCreator { } | |
590 | ||
591 | impl DemuxerCreator for RealMediaDemuxerCreator { | |
592 | fn new_demuxer<'a>(&self, br: &'a mut ByteReader<'a>) -> Box<DemuxCore<'a> + 'a> { | |
593 | Box::new(RealMediaDemuxer::new(br)) | |
594 | } | |
595 | fn get_name(&self) -> &'static str { "realmedia" } | |
596 | } | |
597 | ||
598 | #[cfg(test)] | |
599 | mod test { | |
600 | use super::*; | |
601 | use std::fs::File; | |
602 | ||
603 | #[test] | |
604 | fn test_rm_demux() { | |
605 | let mut file = | |
606 | File::open("assets/RV/rv10_dnet_640x352_realvideo_encoder_4.0.rm").unwrap(); | |
607 | // File::open("assets/RV/rv20_cook_640x352_realproducer_plus_8.51.rm").unwrap(); | |
608 | // File::open("assets/RV/rv20_svt_atrc_640x352_realproducer_plus_8.51.rm").unwrap(); | |
609 | // File::open("assets/RV/rv30_atrc_384x208_realproducer_plus_8.51.rm").unwrap(); | |
610 | // File::open("assets/RV/rv30_chroma_drift.rm").unwrap(); | |
611 | // File::open("assets/RV/rv30_weighted_mc.rm").unwrap(); | |
612 | // File::open("assets/RV/rv40_weighted_mc.rmvb").unwrap(); | |
613 | // File::open("assets/RV/rv40_weighted_mc_2.rmvb").unwrap(); | |
614 | // File::open("assets/RV/clv1_sipr_384x208_realvideo_encoder_4.0.rm").unwrap(); | |
615 | // File::open("assets/RV/luckynight.rmvb").unwrap(); | |
616 | // File::open("assets/RV/rv40_ralf.rmvb").unwrap(); | |
617 | let mut fr = FileReader::new_read(&mut file); | |
618 | let mut br = ByteReader::new(&mut fr); | |
619 | let mut dmx = RealMediaDemuxer::new(&mut br); | |
620 | let mut sm = StreamManager::new(); | |
621 | dmx.open(&mut sm).unwrap(); | |
622 | ||
623 | loop { | |
624 | let pktres = dmx.get_frame(&mut sm); | |
625 | if let Err(e) = pktres { | |
626 | if e == DemuxerError::EOF { break; } | |
627 | panic!("error"); | |
628 | } | |
629 | let pkt = pktres.unwrap(); | |
630 | println!("Got {}", pkt); | |
631 | } | |
632 | panic!("the end"); | |
633 | } | |
634 | } |