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