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Commit | Line | Data |
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1 | use std::io::SeekFrom; | |
2 | use nihav_core::codecs::*; | |
3 | use nihav_core::demuxers::*; | |
4 | use nihav_core::muxers::*; | |
5 | use nihav_registry::detect; | |
6 | use nihav_core::io::byteio::ByteReader; | |
7 | use nihav_allstuff::*; | |
8 | use crate::null::*; | |
9 | ||
10 | pub struct FullRegister { | |
11 | pub dmx_reg: RegisteredDemuxers, | |
12 | pub rdmx_reg: RegisteredRawDemuxers, | |
13 | pub pkt_reg: RegisteredPacketisers, | |
14 | pub dec_reg: RegisteredDecoders, | |
15 | pub enc_reg: RegisteredEncoders, | |
16 | pub mux_reg: RegisteredMuxers, | |
17 | } | |
18 | ||
19 | impl FullRegister { | |
20 | pub fn new() -> Self { | |
21 | let mut dmx_reg = RegisteredDemuxers::new(); | |
22 | nihav_register_all_demuxers(&mut dmx_reg); | |
23 | let mut rdmx_reg = RegisteredRawDemuxers::new(); | |
24 | nihav_register_all_raw_demuxers(&mut rdmx_reg); | |
25 | let mut dec_reg = RegisteredDecoders::new(); | |
26 | nihav_register_all_decoders(&mut dec_reg); | |
27 | let mut pkt_reg = RegisteredPacketisers::new(); | |
28 | nihav_register_all_packetisers(&mut pkt_reg); | |
29 | let mut enc_reg = RegisteredEncoders::new(); | |
30 | nihav_register_all_encoders(&mut enc_reg); | |
31 | enc_reg.add_encoder(NULL_ENCODER); | |
32 | let mut mux_reg = RegisteredMuxers::new(); | |
33 | nihav_register_all_muxers(&mut mux_reg); | |
34 | mux_reg.add_muxer(NULL_MUXER); | |
35 | Self { dmx_reg, rdmx_reg, pkt_reg, dec_reg, enc_reg, mux_reg } | |
36 | } | |
37 | } | |
38 | ||
39 | pub struct RawStreamCtx<'a> { | |
40 | stream: NAStreamRef, | |
41 | sm: StreamManager, | |
42 | packetiser: Box<dyn NAPacketiser + Send>, | |
43 | br: &'a mut ByteReader<'a>, | |
44 | pts: u64, | |
45 | } | |
46 | ||
47 | impl<'a> RawStreamCtx<'a> { | |
48 | fn new(stream: NAStreamRef, packetiser: Box<dyn NAPacketiser + Send>, br: &'a mut ByteReader<'a>) -> Self { | |
49 | let mut sm = StreamManager::new(); | |
50 | sm.add_stream_ref(stream.clone()); | |
51 | Self { stream, sm, packetiser, br, pts: 0 } | |
52 | } | |
53 | } | |
54 | ||
55 | pub enum DemuxerObject<'a> { | |
56 | None, | |
57 | Normal(Demuxer<'a>), | |
58 | Raw(RawDemuxer<'a>, Vec<Option<Box<dyn NAPacketiser + Send>>>, bool), | |
59 | RawStream(RawStreamCtx<'a>), | |
60 | } | |
61 | ||
62 | impl<'a> DemuxerObject<'a> { | |
63 | pub fn create(br: &'a mut ByteReader<'a>, reg: &FullRegister, name: &str, ifmt: &Option<String>, is_raw: bool) -> DemuxerObject<'a> { | |
64 | if !is_raw { | |
65 | let dmx_name = if let Some(ref dname) = ifmt { | |
66 | dname.as_str() | |
67 | } else if let Some((dname, score)) = detect::detect_format(name, br) { | |
68 | println!("detected {} with score {:?}", dname, score); | |
69 | dname | |
70 | } else { | |
71 | "" | |
72 | }; | |
73 | if dmx_name != "" { | |
74 | println!("trying demuxer {} on {}", dmx_name, name); | |
75 | if let Some(dmx_fact) = reg.dmx_reg.find_demuxer(dmx_name) { | |
76 | br.seek(SeekFrom::Start(0)).unwrap(); | |
77 | let dmx = create_demuxer(dmx_fact, br).unwrap(); | |
78 | return DemuxerObject::Normal(dmx); | |
79 | } | |
80 | } | |
81 | if ifmt.is_some() { | |
82 | return DemuxerObject::None; | |
83 | } | |
84 | if dmx_name != "" { | |
85 | println!("trying raw demuxer {} on {}", dmx_name, name); | |
86 | if let Some(rdmx_fact) = reg.rdmx_reg.find_demuxer(dmx_name) { | |
87 | br.seek(SeekFrom::Start(0)).unwrap(); | |
88 | let dmx = create_raw_demuxer(rdmx_fact, br).unwrap(); | |
89 | let mut pkts = Vec::new(); | |
90 | for stream in dmx.get_streams() { | |
91 | if let Some(pcreate) = reg.pkt_reg.find_packetiser(stream.get_info().get_name()) { | |
92 | let packetiser = (pcreate)(); | |
93 | pkts.push(Some(packetiser)); | |
94 | } else { | |
95 | pkts.push(None); | |
96 | } | |
97 | } | |
98 | return DemuxerObject::Raw(dmx, pkts, false); | |
99 | } | |
100 | } | |
101 | for rdmx in reg.rdmx_reg.iter() { | |
102 | if rdmx.check_format(br) { | |
103 | println!("detected {} as {}", name, rdmx.get_name()); | |
104 | br.seek(SeekFrom::Start(0)).unwrap(); | |
105 | let dmx = create_raw_demuxer(*rdmx, br).unwrap(); | |
106 | let mut pkts = Vec::new(); | |
107 | for stream in dmx.get_streams() { | |
108 | if let Some(pcreate) = reg.pkt_reg.find_packetiser(stream.get_info().get_name()) { | |
109 | let packetiser = (pcreate)(); | |
110 | pkts.push(Some(packetiser)); | |
111 | } else { | |
112 | pkts.push(None); | |
113 | } | |
114 | } | |
115 | return DemuxerObject::Raw(dmx, pkts, false); | |
116 | } | |
117 | } | |
118 | } | |
119 | br.seek(SeekFrom::Start(0)).unwrap(); | |
120 | let mut buf = vec![0; 1048576]; | |
121 | let size = br.peek_buf(&mut buf).unwrap(); | |
122 | let mut pname = ""; | |
123 | ||
124 | for pinfo in reg.pkt_reg.iter() { | |
125 | let mut packetiser = (pinfo.get_packetiser)(); | |
126 | packetiser.add_data(&buf[..size]); | |
127 | if packetiser.parse_stream(0).is_ok() { | |
128 | pname = pinfo.name; | |
129 | break; | |
130 | } | |
131 | } | |
132 | if pname != "" { | |
133 | println!("found raw stream of type {} for {}", pname, name); | |
134 | let pcreate = reg.pkt_reg.find_packetiser(pname).unwrap(); | |
135 | let mut packetiser = (pcreate)(); | |
136 | packetiser.add_data(&buf[..size]); | |
137 | let stream = packetiser.parse_stream(0).unwrap(); | |
138 | packetiser.reset(); | |
139 | DemuxerObject::RawStream(RawStreamCtx::new(stream, packetiser, br)) | |
140 | } else { | |
141 | DemuxerObject::None | |
142 | } | |
143 | } | |
144 | pub fn is_none(&self) -> bool { | |
145 | match *self { | |
146 | DemuxerObject::None => true, | |
147 | _ => false, | |
148 | } | |
149 | } | |
150 | pub fn get_duration(&self) -> u64 { | |
151 | match *self { | |
152 | DemuxerObject::Normal(ref dmx) => dmx.get_duration(), | |
153 | DemuxerObject::Raw(ref dmx, _, _) => dmx.get_duration(), | |
154 | DemuxerObject::RawStream(ref ctx) => { | |
155 | NATimeInfo::ts_to_time(ctx.stream.duration, 1000, ctx.stream.tb_num, ctx.stream.tb_den) | |
156 | }, | |
157 | _ => 0, | |
158 | } | |
159 | } | |
160 | pub fn get_num_streams(&self) -> usize { | |
161 | match *self { | |
162 | DemuxerObject::None => 0, | |
163 | DemuxerObject::Normal(ref dmx) => dmx.get_num_streams(), | |
164 | DemuxerObject::Raw(ref dmx, _, _) => dmx.get_num_streams(), | |
165 | DemuxerObject::RawStream(_) => 1, | |
166 | } | |
167 | } | |
168 | pub fn get_stream(&self, idx: usize) -> Option<NAStreamRef> { | |
169 | match *self { | |
170 | DemuxerObject::Normal(ref dmx) => dmx.get_stream(idx), | |
171 | DemuxerObject::Raw(ref dmx, _, _) => dmx.get_stream(idx), | |
172 | DemuxerObject::RawStream(ref ctx) if idx == 0 => Some(ctx.stream.clone()), | |
173 | _ => None, | |
174 | } | |
175 | } | |
176 | pub fn get_streams(&self) -> StreamIter { | |
177 | match *self { | |
178 | DemuxerObject::Normal(ref dmx) => dmx.get_streams(), | |
179 | DemuxerObject::Raw(ref dmx, _, _) => dmx.get_streams(), | |
180 | DemuxerObject::RawStream(ref ctx) => ctx.sm.iter(), | |
181 | _ => unreachable!(), | |
182 | } | |
183 | } | |
184 | pub fn get_stream_manager(&self) -> &StreamManager { | |
185 | match *self { | |
186 | DemuxerObject::Normal(ref dmx) => dmx.get_stream_manager(), | |
187 | DemuxerObject::Raw(ref dmx, _, _) => dmx.get_stream_manager(), | |
188 | DemuxerObject::RawStream(ref ctx) => &ctx.sm, | |
189 | _ => unreachable!(), | |
190 | } | |
191 | } | |
192 | pub fn get_frame(&mut self) -> DemuxerResult<NAPacket> { | |
193 | match *self { | |
194 | DemuxerObject::Normal(ref mut dmx) => dmx.get_frame(), | |
195 | DemuxerObject::Raw(ref mut dmx, ref mut packetisers, ref mut eof) => { | |
196 | loop { | |
197 | let mut has_some = false; | |
198 | for (stream, p) in dmx.get_streams().zip(packetisers.iter_mut()) { | |
199 | if let Some(ref mut pkts) = p { | |
200 | match pkts.get_packet(stream.clone()) { | |
201 | Ok(Some(pkt)) => return Ok(pkt), | |
202 | Ok(None) | Err(DecoderError::ShortData) => { | |
203 | if *eof { | |
204 | *p = None; | |
205 | } | |
206 | }, | |
207 | Err(err) => { | |
208 | println!("packetisation error {:?}", err); | |
209 | return Err(DemuxerError::InvalidData); | |
210 | } | |
211 | }; | |
212 | has_some |= p.is_some(); | |
213 | } | |
214 | } | |
215 | if !has_some { | |
216 | return Err(DemuxerError::EOF); | |
217 | } | |
218 | if let Ok(data) = dmx.get_data() { | |
219 | let id = data.get_stream().get_id(); | |
220 | for (i, stream) in dmx.get_streams().enumerate() { | |
221 | if stream.get_id() == id { | |
222 | if let Some(ref mut pkts) = packetisers[i] { | |
223 | pkts.add_data(&data.get_buffer()); | |
224 | } | |
225 | break; | |
226 | } | |
227 | } | |
228 | } else { | |
229 | *eof = true; | |
230 | } | |
231 | } | |
232 | }, | |
233 | DemuxerObject::RawStream(ref mut ctx) => { | |
234 | let mut buf = [0; 65536]; | |
235 | loop { | |
236 | match ctx.packetiser.get_packet(ctx.stream.clone()) { | |
237 | Ok(Some(mut packet)) => { | |
238 | if packet.get_pts().is_none() && packet.get_duration().is_some() { | |
239 | packet.ts.pts = Some(ctx.pts); | |
240 | } | |
241 | ctx.pts += packet.get_duration().unwrap_or(0); | |
242 | return Ok(packet); | |
243 | }, | |
244 | Ok(None) => {}, | |
245 | Err(DecoderError::ShortData) => {}, | |
246 | _ => return Err(DemuxerError::InvalidData), | |
247 | }; | |
248 | match ctx.br.read_buf_some(&mut buf) { | |
249 | Ok(size) => { | |
250 | ctx.packetiser.add_data(&buf[..size]); | |
251 | }, | |
252 | Err(_) => { | |
253 | match ctx.packetiser.get_packet(ctx.stream.clone()) { | |
254 | Ok(Some(mut packet)) => { | |
255 | if packet.get_pts().is_none() && packet.get_duration().is_some() { | |
256 | packet.ts.pts = Some(ctx.pts); | |
257 | } | |
258 | ctx.pts += packet.get_duration().unwrap_or(0); | |
259 | return Ok(packet); | |
260 | }, | |
261 | Ok(None) | Err(DecoderError::ShortData) => return Err(DemuxerError::EOF), | |
262 | _ => return Err(DemuxerError::InvalidData), | |
263 | }; | |
264 | }, | |
265 | }; | |
266 | } | |
267 | }, | |
268 | _ => unreachable!(), | |
269 | } | |
270 | } | |
271 | pub fn seek(&mut self, seek_time: NATimePoint) -> DemuxerResult<()> { | |
272 | match *self { | |
273 | DemuxerObject::Normal(ref mut dmx) => dmx.seek(seek_time), | |
274 | DemuxerObject::Raw(ref mut dmx, _, _) => dmx.seek(seek_time), | |
275 | _ => Err(DemuxerError::NotImplemented), | |
276 | } | |
277 | } | |
278 | } | |
279 | ||
280 | impl<'a> NAOptionHandler for DemuxerObject<'a> { | |
281 | fn get_supported_options(&self) -> &[NAOptionDefinition] { | |
282 | match *self { | |
283 | DemuxerObject::Normal(ref dmx) => dmx.get_supported_options(), | |
284 | DemuxerObject::Raw(ref dmx, _, _) => dmx.get_supported_options(), | |
285 | _ => &[], | |
286 | } | |
287 | } | |
288 | fn set_options(&mut self, options: &[NAOption]) { | |
289 | match *self { | |
290 | DemuxerObject::Normal(ref mut dmx) => dmx.set_options(options), | |
291 | DemuxerObject::Raw(ref mut dmx, _, _) => dmx.set_options(options), | |
292 | _ => {}, | |
293 | } | |
294 | } | |
295 | fn query_option_value(&self, name: &str) -> Option<NAValue> { | |
296 | match *self { | |
297 | DemuxerObject::Normal(ref dmx) => dmx.query_option_value(name), | |
298 | DemuxerObject::Raw(ref dmx, _, _) => dmx.query_option_value(name), | |
299 | _ => None, | |
300 | } | |
301 | } | |
302 | } | |
303 | ||
304 | pub fn detect_tags(br: &mut ByteReader) -> (bool, u64, Option<u64>) { | |
305 | let mut is_raw = false; | |
306 | let mut start = 0; | |
307 | let mut end = None; | |
308 | ||
309 | // check for ID3v{2-4} | |
310 | let mut buf = [0; 5]; | |
311 | br.peek_buf(&mut buf).unwrap(); | |
312 | if &buf[0..3] == b"ID3" && buf[3] > 0 && buf[3] < 5 && buf[4] == 0 { //ID3 tag found, must be a raw stream | |
313 | br.read_skip(6).unwrap(); | |
314 | let mut size = 0; | |
315 | for _ in 0..4 { | |
316 | let b = br.read_byte().unwrap(); | |
317 | if (b & 0x80) != 0 { | |
318 | println!("Invalid ID3 size"); | |
319 | break; | |
320 | } | |
321 | size = (size << 7) | u64::from(b); | |
322 | } | |
323 | start = size + 10; | |
324 | is_raw = true; | |
325 | } | |
326 | // check for ID3v1 | |
327 | br.seek(SeekFrom::End(-128)).unwrap(); | |
328 | let off = br.tell(); | |
329 | br.peek_buf(&mut buf[..3]).unwrap(); | |
330 | if &buf[0..3] == b"TAG" { | |
331 | end = Some(off); | |
332 | } | |
333 | // check for APETAG | |
334 | let mut buf = [0; 8]; | |
335 | if let Some(off) = end { | |
336 | br.seek(SeekFrom::Start(off - 32)).unwrap(); | |
337 | } else { | |
338 | br.seek(SeekFrom::End(-32)).unwrap(); | |
339 | } | |
340 | let off = br.tell(); | |
341 | br.read_buf(&mut buf).unwrap(); | |
342 | if &buf == b"APETAGEX" { | |
343 | let ver = br.read_u32le().unwrap(); | |
344 | let size = u64::from(br.read_u32le().unwrap()); | |
345 | let _items = br.read_u32le().unwrap(); | |
346 | let flags = br.read_u32le().unwrap(); | |
347 | if ver == 1000 || (flags & 0x80000000) == 0 { | |
348 | end = Some(off - size + 32); | |
349 | } else { | |
350 | end = Some(off - size); | |
351 | } | |
352 | } | |
353 | ||
354 | (is_raw, start, end) | |
355 | } |