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1 | use nihav_core::frame::*; | |
2 | use nihav_core::demuxers::*; | |
3 | ||
4 | const DEFAULT_FCP_DELAY: u64 = 100; | |
5 | const DEFAULT_VBV_DELAY: u64 = 80; | |
6 | ||
7 | #[derive(Clone,Copy,Debug,PartialEq)] | |
8 | enum SIFFType { | |
9 | None, | |
10 | FCP, | |
11 | VBV, | |
12 | Sound, | |
13 | } | |
14 | ||
15 | struct SIFFDemuxer<'a> { | |
16 | src: &'a mut ByteReader<'a>, | |
17 | subtype: SIFFType, | |
18 | size: u32, | |
19 | ablock: usize, | |
20 | nframes: usize, | |
21 | cframe: usize, | |
22 | vpts: u64, | |
23 | abuf: Vec<u8>, | |
24 | apts: u64, | |
25 | ver: u8, | |
26 | } | |
27 | ||
28 | impl<'a> SIFFDemuxer<'a> { | |
29 | fn new(io: &'a mut ByteReader<'a>) -> Self { | |
30 | Self { | |
31 | src: io, | |
32 | subtype: SIFFType::None, | |
33 | size: 0, | |
34 | ablock: 0, | |
35 | nframes: 0, | |
36 | cframe: 0, | |
37 | vpts: 0, | |
38 | abuf: Vec::new(), | |
39 | apts: 0, | |
40 | ver: 0, | |
41 | } | |
42 | } | |
43 | ||
44 | fn parse_fcp_header(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<()> { | |
45 | let tag = self.src.read_tag()?; | |
46 | validate!(&tag == b"FCHD"); | |
47 | let hdr_size = self.src.read_u32be()? as usize; | |
48 | validate!(hdr_size >= 16); | |
49 | let mut flags = vec![0; 2]; | |
50 | self.src.read_buf(&mut flags)?; | |
51 | let width = self.src.read_u16le()? as usize; | |
52 | let height = self.src.read_u16le()? as usize; | |
53 | validate!(width > 0 && height > 0); | |
54 | self.nframes = self.src.read_u16le()? as usize; | |
55 | self.src.read_skip(8)?; | |
56 | self.src.read_skip(hdr_size - 16)?; | |
57 | ||
58 | let vhdr = NAVideoInfo::new(width, height, false, PAL8_FORMAT); | |
59 | let vci = NACodecTypeInfo::Video(vhdr); | |
60 | let vinfo = NACodecInfo::new("beam-fcp", vci, Some(flags)); | |
61 | if strmgr.add_stream(NAStream::new(StreamType::Video, 0, vinfo, 1, 1000, self.nframes as u64 * DEFAULT_FCP_DELAY)).is_none() { | |
62 | return Err(DemuxerError::MemoryError); | |
63 | } | |
64 | ||
65 | self.ablock = 1; | |
66 | let srate = 22050; | |
67 | let ahdr = NAAudioInfo::new(srate, 1, SND_U8_FORMAT, 1); | |
68 | let ainfo = NACodecInfo::new("pcm", NACodecTypeInfo::Audio(ahdr), None); | |
69 | if strmgr.add_stream(NAStream::new(StreamType::Audio, 1, ainfo, 1, srate, 0)).is_none() { | |
70 | return Err(DemuxerError::MemoryError); | |
71 | } | |
72 | ||
73 | self.vpts = 0; | |
74 | self.apts = 0; | |
75 | self.cframe = 0; | |
76 | ||
77 | Ok(()) | |
78 | } | |
79 | fn get_fcp_frame(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<NAPacket> { | |
80 | if self.cframe >= self.nframes { | |
81 | return Err(DemuxerError::EOF); | |
82 | } | |
83 | let size = self.src.read_u16le()? as usize; | |
84 | validate!(size > 8); | |
85 | let stream = strmgr.get_stream(0).unwrap(); | |
86 | let ts = stream.make_ts(Some(self.vpts), None, None); | |
87 | let kframe = self.vpts == 0; | |
88 | self.cframe += 1; | |
89 | let pkt = self.src.read_packet(stream, ts, kframe, size - 2)?; | |
90 | let buf = pkt.get_buffer(); | |
91 | ||
92 | let mut mr = MemoryReader::new_read(buf.as_slice()); | |
93 | let mut br = ByteReader::new(&mut mr); | |
94 | let asize = br.read_u16le()? as usize; | |
95 | let duration = br.read_u16le()? as u64; | |
96 | validate!(asize < buf.len()); | |
97 | if asize > 0 { | |
98 | let nclrs = br.read_u16le()? as usize; | |
99 | if nclrs > 0 { | |
100 | br.read_skip(nclrs * 3 + 2)?; | |
101 | } | |
102 | self.abuf.resize(asize, 0); | |
103 | br.read_buf(&mut self.abuf)?; | |
104 | } | |
105 | ||
106 | if duration > 0 { | |
107 | self.vpts += duration; | |
108 | } else { | |
109 | self.vpts += DEFAULT_FCP_DELAY; | |
110 | } | |
111 | ||
112 | Ok(pkt) | |
113 | } | |
114 | ||
115 | fn parse_vbv_header(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<()> { | |
116 | let tag = self.src.read_tag()?; | |
117 | validate!(&tag == b"VBHD"); | |
118 | let hdr_size = self.src.read_u32be()? as usize; | |
119 | validate!(hdr_size >= 32); | |
120 | let version = self.src.read_u16le()?; | |
121 | validate!(version == 1 || version == 2); | |
122 | self.ver = version as u8; | |
123 | let width = self.src.read_u16le()? as usize; | |
124 | let height = self.src.read_u16le()? as usize; | |
125 | validate!(width > 0 && height > 0); | |
126 | self.src.read_skip(4)?; | |
127 | self.nframes = self.src.read_u16le()? as usize; | |
128 | let flags = self.src.read_u16le()?; | |
129 | let bits = flags as u8; | |
130 | let channels = if (flags & 0x100) != 0 { 2 } else { 1 }; | |
131 | validate!(bits == 0 || bits >= 8); | |
132 | let srate = self.src.read_u16le()? as u32; | |
133 | self.ablock = (bits as usize) * (channels as usize) / 8; | |
134 | self.src.read_skip(16)?; | |
135 | self.src.read_skip(hdr_size - 32)?; | |
136 | ||
137 | let mut vhdr = NAVideoInfo::new(width, height, false, if version == 1 { PAL8_FORMAT } else { RGB565_FORMAT }); | |
138 | vhdr.bits = version as u8 * 8; | |
139 | let vci = NACodecTypeInfo::Video(vhdr); | |
140 | let vinfo = NACodecInfo::new("beam-video", vci, None); | |
141 | if strmgr.add_stream(NAStream::new(StreamType::Video, 0, vinfo, 1, 1000, self.nframes as u64 * DEFAULT_VBV_DELAY)).is_none() { | |
142 | return Err(DemuxerError::MemoryError); | |
143 | } | |
144 | ||
145 | if srate > 0 && bits > 0 { | |
146 | let ahdr = NAAudioInfo::new(srate, channels, if bits == 8 { SND_U8_FORMAT } else { SND_S16_FORMAT }, self.ablock); | |
147 | let ainfo = NACodecInfo::new("pcm", NACodecTypeInfo::Audio(ahdr), None); | |
148 | if strmgr.add_stream(NAStream::new(StreamType::Audio, 1, ainfo, 1, srate, 0)).is_none() { | |
149 | return Err(DemuxerError::MemoryError); | |
150 | } | |
151 | } | |
152 | ||
153 | self.vpts = 0; | |
154 | self.apts = 0; | |
155 | self.cframe = 0; | |
156 | ||
157 | Ok(()) | |
158 | } | |
159 | fn get_vbv_frame(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<NAPacket> { | |
160 | if self.cframe >= self.nframes { | |
161 | return Err(DemuxerError::EOF); | |
162 | } | |
163 | let size = self.src.read_u32le()? as usize; | |
164 | validate!(size > 6); | |
165 | let stream = strmgr.get_stream(0).unwrap(); | |
166 | let ts = stream.make_ts(Some(self.vpts), None, None); | |
167 | let kframe = self.vpts == 0; | |
168 | self.cframe += 1; | |
169 | let pkt = self.src.read_packet(stream, ts, kframe, size - 4)?; | |
170 | let buf = pkt.get_buffer(); | |
171 | ||
172 | let mut mr = MemoryReader::new_read(buf.as_slice()); | |
173 | let mut br = ByteReader::new(&mut mr); | |
174 | let flags = br.read_u16le()?; | |
175 | if (flags & 0x01) != 0 { | |
176 | br.read_skip(4)?; | |
177 | } | |
178 | if (flags & 0x04) != 0 { | |
179 | let asize = br.read_u32le()? as usize; | |
180 | validate!((asize > 4) && asize < (buf.len() - (br.tell() as usize))); | |
181 | self.abuf.resize(asize - 4, 0); | |
182 | br.read_buf(&mut self.abuf)?; | |
183 | } | |
184 | if (flags & 0x08) != 0 { | |
185 | let vsize = br.read_u32le()? as usize; | |
186 | validate!(vsize > 4); | |
187 | br.read_skip(vsize - 4)?; | |
188 | } | |
189 | if (flags & 0x10) != 0 { | |
190 | let psize = br.read_u32le()? as usize; | |
191 | validate!(psize > 4); | |
192 | br.read_skip(psize - 4)?; | |
193 | } | |
194 | let delay = if (flags & 0x20) != 0 { | |
195 | br.read_u16le()? as u64 | |
196 | } else { 0 }; | |
197 | self.vpts += if delay > 0 { delay } else { DEFAULT_VBV_DELAY }; | |
198 | ||
199 | Ok(pkt) | |
200 | } | |
201 | ||
202 | fn parse_snd_header(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<()> { | |
203 | let tag = self.src.read_tag()?; | |
204 | validate!(&tag == b"SHDR"); | |
205 | let hdr_size = self.src.read_u32be()? as usize; | |
206 | validate!(hdr_size >= 8); | |
207 | let duration = self.src.read_u32le()? as u64; | |
208 | let srate = self.src.read_u16le()? as u32; | |
209 | let flags = self.src.read_u16le()?; | |
210 | let bits = flags as u8; | |
211 | validate!(bits >= 8); | |
212 | let channels = if (flags & 0x100) != 0 { 2 } else { 1 }; | |
213 | self.ablock = (bits as usize) * (channels as usize); | |
214 | self.src.read_skip(hdr_size - 8)?; | |
215 | ||
216 | let fmt = match bits { | |
217 | 8 => SND_U8_FORMAT, | |
218 | 16 => SND_S16_FORMAT, | |
219 | 12 => NASoniton::new(12, SONITON_FLAG_PACKED | SONITON_FLAG_SIGNED), | |
220 | _ => return Err(DemuxerError::NotImplemented), | |
221 | }; | |
222 | let ahdr = NAAudioInfo::new(srate, channels, fmt, self.ablock); | |
223 | let ainfo = NACodecInfo::new("pcm", NACodecTypeInfo::Audio(ahdr), None); | |
224 | if strmgr.add_stream(NAStream::new(StreamType::Audio, 0, ainfo, 1, srate, duration)).is_none() { | |
225 | return Err(DemuxerError::MemoryError); | |
226 | } | |
227 | ||
228 | Ok(()) | |
229 | } | |
230 | fn get_snd_frame(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<NAPacket> { | |
231 | if self.size == 0 { | |
232 | return Err(DemuxerError::EOF); | |
233 | } | |
234 | let cur_size = self.size.min(1024 * (self.ablock as u32)); | |
235 | ||
236 | let stream = strmgr.get_stream(0).unwrap(); | |
237 | let ts = stream.make_ts(None, None, None); | |
238 | let pkt = self.src.read_packet(stream, ts, true, cur_size as usize)?; | |
239 | self.size -= cur_size; | |
240 | ||
241 | Ok(pkt) | |
242 | } | |
243 | } | |
244 | ||
245 | impl<'a> DemuxCore<'a> for SIFFDemuxer<'a> { | |
246 | fn open(&mut self, strmgr: &mut StreamManager, _seek_index: &mut SeekIndex) -> DemuxerResult<()> { | |
247 | let magic = self.src.read_tag()?; | |
248 | validate!(&magic == b"SIFF"); | |
249 | self.size = self.src.read_u32be()?; | |
250 | let tag = self.src.read_tag()?; | |
251 | self.subtype = match &tag { | |
252 | b"FCPK" => SIFFType::FCP, | |
253 | b"VBV1" => SIFFType::VBV, | |
254 | b"SOUN" => SIFFType::Sound, | |
255 | _ => return Err(DemuxerError::NotImplemented), | |
256 | }; | |
257 | ||
258 | match self.subtype { | |
259 | SIFFType::FCP => self.parse_fcp_header(strmgr)?, | |
260 | SIFFType::VBV => self.parse_vbv_header(strmgr)?, | |
261 | SIFFType::Sound => self.parse_snd_header(strmgr)?, | |
262 | _ => unreachable!(), | |
263 | }; | |
264 | ||
265 | let tag = self.src.read_tag()?; | |
266 | validate!(&tag == b"BODY"); | |
267 | let body_size = self.src.read_u32be()?; | |
268 | validate!(self.src.tell() + u64::from(body_size) <= u64::from(self.size) + 8); | |
269 | self.size = body_size; | |
270 | ||
271 | Ok(()) | |
272 | } | |
273 | ||
274 | fn get_frame(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<NAPacket> { | |
275 | if !self.abuf.is_empty() { | |
276 | let mut buf = Vec::new(); | |
277 | std::mem::swap(&mut buf, &mut self.abuf); | |
278 | ||
279 | if let Some(stream) = strmgr.get_stream(1) { | |
280 | let ts = stream.make_ts(Some(self.apts), None, None); | |
281 | self.apts += (buf.len() / self.ablock) as u64; | |
282 | return Ok(NAPacket::new(stream, ts, true, buf)); | |
283 | } | |
284 | } | |
285 | match self.subtype { | |
286 | SIFFType::FCP => self.get_fcp_frame(strmgr), | |
287 | SIFFType::VBV => self.get_vbv_frame(strmgr), | |
288 | SIFFType::Sound => self.get_snd_frame(strmgr), | |
289 | _ => unreachable!(), | |
290 | } | |
291 | } | |
292 | ||
293 | fn seek(&mut self, _time: NATimePoint, _seek_index: &SeekIndex) -> DemuxerResult<()> { | |
294 | Err(DemuxerError::NotPossible) | |
295 | } | |
296 | fn get_duration(&self) -> u64 { 0 } | |
297 | } | |
298 | ||
299 | impl<'a> NAOptionHandler for SIFFDemuxer<'a> { | |
300 | fn get_supported_options(&self) -> &[NAOptionDefinition] { &[] } | |
301 | fn set_options(&mut self, _options: &[NAOption]) { } | |
302 | fn query_option_value(&self, _name: &str) -> Option<NAValue> { None } | |
303 | } | |
304 | ||
305 | pub struct SIFFDemuxerCreator { } | |
306 | ||
307 | impl DemuxerCreator for SIFFDemuxerCreator { | |
308 | fn new_demuxer<'a>(&self, br: &'a mut ByteReader<'a>) -> Box<dyn DemuxCore<'a> + 'a> { | |
309 | Box::new(SIFFDemuxer::new(br)) | |
310 | } | |
311 | fn get_name(&self) -> &'static str { "siff" } | |
312 | } | |
313 | ||
314 | #[cfg(test)] | |
315 | mod test { | |
316 | use super::*; | |
317 | use std::fs::File; | |
318 | ||
319 | fn test_siff_demux(name: &str) { | |
320 | let mut file = File::open(name).unwrap(); | |
321 | let mut fr = FileReader::new_read(&mut file); | |
322 | let mut br = ByteReader::new(&mut fr); | |
323 | let mut dmx = SIFFDemuxer::new(&mut br); | |
324 | let mut sm = StreamManager::new(); | |
325 | let mut si = SeekIndex::new(); | |
326 | dmx.open(&mut sm, &mut si).unwrap(); | |
327 | loop { | |
328 | let pktres = dmx.get_frame(&mut sm); | |
329 | if let Err(e) = pktres { | |
330 | if (e as i32) == (DemuxerError::EOF as i32) { break; } | |
331 | panic!("error"); | |
332 | } | |
333 | let pkt = pktres.unwrap(); | |
334 | println!("Got {}", pkt); | |
335 | } | |
336 | } | |
337 | ||
338 | #[test] | |
339 | fn test_siff_demux_fcp() { | |
340 | // sample from The Dame was Loaded game | |
341 | test_siff_demux("assets/Game/siff/BEAM.FCP"); | |
342 | } | |
343 | #[test] | |
344 | fn test_siff_demux_anim_8bit() { | |
345 | // sample from Lost Vikings 2 game | |
346 | test_siff_demux("assets/Game/siff/BEAM.VB"); | |
347 | } | |
348 | #[test] | |
349 | fn test_siff_demux_anim_16bit() { | |
350 | // sample from Alien Earth game | |
351 | test_siff_demux("assets/Game/siff/beamlogo.vbc"); | |
352 | } | |
353 | #[test] | |
354 | fn test_siff_demux_snd() { | |
355 | // sample from The Dame was Loaded game | |
356 | test_siff_demux("assets/Game/siff/01AFIRST.SON"); | |
357 | // sample from Lost Vikings 2 game | |
358 | test_siff_demux("assets/Game/siff/01THEME.SON"); | |
359 | } | |
360 | } |