Commit | Line | Data |
---|---|---|
55d3e99f KS |
1 | use std::io::SeekFrom; |
2 | use nihav_core::codecs::*; | |
3 | use nihav_core::demuxers::*; | |
4 | use nihav_registry::detect; | |
5 | use nihav_core::io::byteio::ByteReader; | |
6 | use nihav_allstuff::*; | |
7 | ||
8 | pub struct FullRegister { | |
9 | pub dmx_reg: RegisteredDemuxers, | |
10 | pub rdmx_reg: RegisteredRawDemuxers, | |
11 | pub pkt_reg: RegisteredPacketisers, | |
12 | pub dec_reg: RegisteredDecoders, | |
13 | } | |
14 | ||
15 | impl FullRegister { | |
16 | pub fn new() -> Self { | |
17 | let mut dmx_reg = RegisteredDemuxers::new(); | |
18 | nihav_register_all_demuxers(&mut dmx_reg); | |
19 | let mut rdmx_reg = RegisteredRawDemuxers::new(); | |
20 | nihav_register_all_raw_demuxers(&mut rdmx_reg); | |
21 | let mut dec_reg = RegisteredDecoders::new(); | |
22 | nihav_register_all_decoders(&mut dec_reg); | |
23 | let mut pkt_reg = RegisteredPacketisers::new(); | |
24 | nihav_register_all_packetisers(&mut pkt_reg); | |
25 | Self { dmx_reg, rdmx_reg, pkt_reg, dec_reg } | |
26 | } | |
27 | } | |
28 | ||
29 | pub enum DemuxerObject<'a> { | |
30 | None, | |
31 | Normal(Demuxer<'a>), | |
32 | Raw(RawDemuxer<'a>, Vec<Option<Box<dyn NAPacketiser + Send>>>, bool), | |
33 | RawStream(Box<dyn NAPacketiser + Send>, NAStreamRef, &'a mut ByteReader<'a>), | |
34 | } | |
35 | ||
36 | impl<'a> DemuxerObject<'a> { | |
37 | pub fn create(br: &'a mut ByteReader<'a>, reg: &FullRegister, name: &str, is_raw: bool) -> DemuxerObject<'a> { | |
38 | if !is_raw { | |
39 | let res = detect::detect_format(name, br); | |
40 | let (dmx_name, _) = res.unwrap_or(("", detect::DetectionScore::No)); | |
41 | if dmx_name != "" { | |
42 | println!("trying demuxer {} on {}", dmx_name, name); | |
43 | if let Some(dmx_fact) = reg.dmx_reg.find_demuxer(dmx_name) { | |
44 | br.seek(SeekFrom::Start(0)).unwrap(); | |
45 | let dmx = create_demuxer(dmx_fact, br).unwrap(); | |
46 | return DemuxerObject::Normal(dmx); | |
47 | } | |
48 | } | |
49 | if dmx_name != "" { | |
50 | println!("trying raw demuxer {} on {}", dmx_name, name); | |
51 | if let Some(rdmx_fact) = reg.rdmx_reg.find_demuxer(dmx_name) { | |
52 | br.seek(SeekFrom::Start(0)).unwrap(); | |
53 | let dmx = create_raw_demuxer(rdmx_fact, br).unwrap(); | |
54 | let mut pkts = Vec::new(); | |
55 | for stream in dmx.get_streams() { | |
56 | if let Some(pcreate) = reg.pkt_reg.find_packetiser(stream.get_info().get_name()) { | |
57 | let packetiser = (pcreate)(); | |
58 | pkts.push(Some(packetiser)); | |
59 | } else { | |
60 | pkts.push(None); | |
61 | } | |
62 | } | |
63 | return DemuxerObject::Raw(dmx, pkts, false); | |
64 | } | |
65 | } | |
66 | for rdmx in reg.rdmx_reg.iter() { | |
67 | if rdmx.check_format(br) { | |
68 | println!("detected {} as {}", name, rdmx.get_name()); | |
69 | br.seek(SeekFrom::Start(0)).unwrap(); | |
70 | let dmx = create_raw_demuxer(*rdmx, br).unwrap(); | |
71 | let mut pkts = Vec::new(); | |
72 | for stream in dmx.get_streams() { | |
73 | if let Some(pcreate) = reg.pkt_reg.find_packetiser(stream.get_info().get_name()) { | |
74 | let packetiser = (pcreate)(); | |
75 | pkts.push(Some(packetiser)); | |
76 | } else { | |
77 | pkts.push(None); | |
78 | } | |
79 | } | |
80 | return DemuxerObject::Raw(dmx, pkts, false); | |
81 | } | |
82 | } | |
83 | } | |
84 | br.seek(SeekFrom::Start(0)).unwrap(); | |
85 | let mut buf = vec![0; 1048576]; | |
86 | let size = br.peek_buf(&mut buf).unwrap(); | |
87 | let mut pname = ""; | |
88 | ||
89 | for pinfo in reg.pkt_reg.iter() { | |
90 | let mut packetiser = (pinfo.get_packetiser)(); | |
91 | packetiser.add_data(&buf[..size]); | |
92 | if packetiser.parse_stream(0).is_ok() { | |
93 | pname = pinfo.name; | |
94 | break; | |
95 | } | |
96 | } | |
97 | if pname != "" { | |
98 | println!("found raw stream of type {} for {}", pname, name); | |
99 | let pcreate = reg.pkt_reg.find_packetiser(pname).unwrap(); | |
100 | let mut packetiser = (pcreate)(); | |
101 | packetiser.add_data(&buf[..size]); | |
102 | let stream = packetiser.parse_stream(0).unwrap(); | |
103 | packetiser.reset(); | |
104 | DemuxerObject::RawStream(packetiser, stream, br) | |
105 | } else { | |
106 | DemuxerObject::None | |
107 | } | |
108 | } | |
109 | pub fn is_none(&self) -> bool { | |
110 | match *self { | |
111 | DemuxerObject::None => true, | |
112 | _ => false, | |
113 | } | |
114 | } | |
115 | pub fn get_duration(&self) -> u64 { | |
116 | match *self { | |
117 | DemuxerObject::Normal(ref dmx) => dmx.get_duration(), | |
118 | DemuxerObject::Raw(ref dmx, _, _) => dmx.get_duration(), | |
119 | _ => 0, | |
120 | } | |
121 | } | |
122 | pub fn get_num_streams(&self) -> usize { | |
123 | match *self { | |
124 | DemuxerObject::None => 0, | |
125 | DemuxerObject::Normal(ref dmx) => dmx.get_num_streams(), | |
126 | DemuxerObject::Raw(ref dmx, _, _) => dmx.get_num_streams(), | |
127 | DemuxerObject::RawStream(_, _, _) => 1, | |
128 | } | |
129 | } | |
130 | pub fn get_stream(&self, idx: usize) -> Option<NAStreamRef> { | |
131 | match *self { | |
132 | DemuxerObject::Normal(ref dmx) => dmx.get_stream(idx), | |
133 | DemuxerObject::Raw(ref dmx, _, _) => dmx.get_stream(idx), | |
134 | DemuxerObject::RawStream(_, ref stream, _) if idx == 0 => Some(stream.clone()), | |
135 | _ => None, | |
136 | } | |
137 | } | |
138 | pub fn get_frame(&mut self) -> DemuxerResult<NAPacket> { | |
139 | match *self { | |
140 | DemuxerObject::Normal(ref mut dmx) => dmx.get_frame(), | |
141 | DemuxerObject::Raw(ref mut dmx, ref mut packetisers, ref mut eof) => { | |
142 | loop { | |
143 | let mut has_some = false; | |
144 | for (stream, p) in dmx.get_streams().zip(packetisers.iter_mut()) { | |
145 | if let Some(ref mut pkts) = p { | |
146 | match pkts.get_packet(stream.clone()) { | |
147 | Ok(Some(pkt)) => return Ok(pkt), | |
148 | Ok(None) | Err(DecoderError::ShortData) => { | |
149 | if *eof { | |
150 | *p = None; | |
151 | } | |
152 | }, | |
153 | Err(err) => { | |
154 | println!("packetisation error {:?}", err); | |
155 | return Err(DemuxerError::InvalidData); | |
156 | } | |
157 | }; | |
158 | has_some |= p.is_some(); | |
159 | } | |
160 | } | |
161 | if !has_some { | |
162 | return Err(DemuxerError::EOF); | |
163 | } | |
164 | if let Ok(data) = dmx.get_data() { | |
165 | let id = data.get_stream().get_id(); | |
166 | for (i, stream) in dmx.get_streams().enumerate() { | |
167 | if stream.get_id() == id { | |
168 | if let Some(ref mut pkts) = packetisers[i] { | |
169 | pkts.add_data(&data.get_buffer()); | |
170 | } | |
171 | break; | |
172 | } | |
173 | } | |
174 | } else { | |
175 | *eof = true; | |
176 | } | |
177 | } | |
178 | }, | |
179 | DemuxerObject::RawStream(ref mut pkt, ref stream, ref mut br) => { | |
180 | let mut buf = [0; 1048576]; | |
181 | loop { | |
182 | match pkt.get_packet(stream.clone()) { | |
183 | Ok(Some(packet)) => return Ok(packet), | |
184 | Ok(None) => {}, | |
185 | Err(DecoderError::ShortData) => {}, | |
186 | _ => return Err(DemuxerError::InvalidData), | |
187 | }; | |
188 | match br.read_buf_some(&mut buf) { | |
189 | Ok(size) => { | |
190 | pkt.add_data(&buf[..size]); | |
191 | }, | |
192 | Err(_) => { | |
193 | match pkt.get_packet(stream.clone()) { | |
194 | Ok(Some(packet)) => return Ok(packet), | |
195 | Ok(None) | Err(DecoderError::ShortData) => return Err(DemuxerError::EOF), | |
196 | _ => return Err(DemuxerError::InvalidData), | |
197 | }; | |
198 | }, | |
199 | }; | |
200 | } | |
201 | }, | |
202 | _ => unreachable!(), | |
203 | } | |
204 | } | |
205 | pub fn seek(&mut self, seek_time: NATimePoint) -> DemuxerResult<()> { | |
206 | match *self { | |
207 | DemuxerObject::Normal(ref mut dmx) => dmx.seek(seek_time), | |
208 | DemuxerObject::Raw(ref mut dmx, _, _) => dmx.seek(seek_time), | |
209 | _ => Err(DemuxerError::NotImplemented), | |
210 | } | |
211 | } | |
212 | } | |
213 | ||
214 | pub fn detect_tags(br: &mut ByteReader) -> (bool, u64, Option<u64>) { | |
215 | let mut is_raw = false; | |
216 | let mut start = 0; | |
217 | let mut end = None; | |
218 | ||
219 | // check for ID3v{2-4} | |
220 | let mut buf = [0; 5]; | |
221 | br.peek_buf(&mut buf).unwrap(); | |
222 | if &buf[0..3] == b"ID3" && buf[3] > 0 && buf[3] < 5 && buf[4] == 0 { //ID3 tag found, must be a raw stream | |
223 | br.read_skip(6).unwrap(); | |
224 | let mut size = 0; | |
225 | for _ in 0..4 { | |
226 | let b = br.read_byte().unwrap(); | |
227 | if (b & 0x80) != 0 { | |
228 | println!("Invalid ID3 size"); | |
229 | break; | |
230 | } | |
231 | size = (size << 7) | u64::from(b); | |
232 | } | |
233 | start = size + 10; | |
234 | is_raw = true; | |
235 | } | |
236 | // check for ID3v1 | |
237 | br.seek(SeekFrom::End(-128)).unwrap(); | |
238 | let off = br.tell(); | |
239 | br.peek_buf(&mut buf[..3]).unwrap(); | |
240 | if &buf[0..3] == b"TAG" { | |
241 | end = Some(off); | |
242 | } | |
243 | // check for APETAG | |
244 | let mut buf = [0; 8]; | |
245 | if let Some(off) = end { | |
246 | br.seek(SeekFrom::Start(off - 32)).unwrap(); | |
247 | } else { | |
248 | br.seek(SeekFrom::End(-32)).unwrap(); | |
249 | } | |
250 | let off = br.tell(); | |
251 | br.read_buf(&mut buf).unwrap(); | |
252 | if &buf == b"APETAGEX" { | |
253 | let ver = br.read_u32le().unwrap(); | |
254 | let size = u64::from(br.read_u32le().unwrap()); | |
255 | let _items = br.read_u32le().unwrap(); | |
256 | let flags = br.read_u32le().unwrap(); | |
257 | if ver == 1000 || (flags & 0x80000000) == 0 { | |
258 | end = Some(off - size + 32); | |
259 | } else { | |
260 | end = Some(off - size); | |
261 | } | |
262 | } | |
263 | ||
264 | (is_raw, start, end) | |
265 | } |