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1 | use nihav_core::frame::*; | |
2 | use nihav_core::demuxers::*; | |
3 | ||
4 | const AFRAME_HDR_SIZE: usize = 16; | |
5 | ||
6 | #[allow(dead_code)] | |
7 | struct RobotDemuxer<'a> { | |
8 | src: &'a mut ByteReader<'a>, | |
9 | version: u16, | |
10 | vpts: u64, | |
11 | apts: u64, | |
12 | pkt_no: usize, | |
13 | audio: bool, | |
14 | has_audio: bool, | |
15 | initial: Vec<u8>, | |
16 | a_id: Option<usize>, | |
17 | v_id: Option<usize>, | |
18 | nframes: usize, | |
19 | vframe_len: Vec<u32>, | |
20 | pkt_len: Vec<u32>, | |
21 | } | |
22 | ||
23 | impl<'a> DemuxCore<'a> for RobotDemuxer<'a> { | |
24 | #[allow(unused_variables)] | |
25 | fn open(&mut self, strmgr: &mut StreamManager, _seek_index: &mut SeekIndex) -> DemuxerResult<()> { | |
26 | let mut hdr = [0; 60]; | |
27 | self.src.read_buf(&mut hdr)?; | |
28 | validate!(hdr[0] == 0x16 || hdr[0] == 0x3D); | |
29 | validate!(&hdr[2..6] == b"SOL\0"); | |
30 | self.version = read_u16le(&hdr[6..])?; | |
31 | let aframe_size = read_u16le(&hdr[8..])? as usize; | |
32 | validate!(self.version >= 4 && self.version <= 6); | |
33 | ||
34 | self.nframes = read_u16le(&hdr[14..])? as usize; | |
35 | validate!(self.nframes > 0); | |
36 | let pal_size = read_u16le(&hdr[16..])? as usize; | |
37 | let audio_pre_size = read_u16le(&hdr[18..])? as usize; | |
38 | ||
39 | let mut width = read_u16le(&hdr[20..])? as usize; | |
40 | if width == 0 { width = 640; } | |
41 | let mut height = read_u16le(&hdr[22..])? as usize; | |
42 | if height == 0 { height = 480; } | |
43 | let has_pal = hdr[24] != 0; | |
44 | self.has_audio = hdr[25] != 0; | |
45 | let fps = read_u16le(&hdr[28..])?; | |
46 | if !self.has_audio || audio_pre_size == 0 { | |
47 | self.src.read_skip(audio_pre_size)?; | |
48 | } else { | |
49 | let end_pos = self.src.tell() + (audio_pre_size as u64); | |
50 | validate!(audio_pre_size >= 12); | |
51 | validate!(aframe_size > AFRAME_HDR_SIZE); | |
52 | let pre_size = self.src.read_u32le()? as usize; | |
53 | validate!(pre_size <= audio_pre_size - 14); | |
54 | let method = self.src.read_u16le()?; | |
55 | validate!(method == 0); | |
56 | let size1 = self.src.read_u32le()? as usize; | |
57 | let size2 = self.src.read_u32le()? as usize; | |
58 | validate!(size1 + size2 <= pre_size); | |
59 | let to_skip = (aframe_size - AFRAME_HDR_SIZE) / 2; | |
60 | if size1 + size2 > to_skip { | |
61 | self.initial.resize(size1 + size2 + 1 - to_skip, 0); | |
62 | self.initial[0] = 0; | |
63 | self.src.read_buf(&mut self.initial[1..])?; | |
64 | } | |
65 | self.src.seek(SeekFrom::Start(end_pos))?; | |
66 | } | |
67 | let mut pal = vec![0; pal_size + 2]; | |
68 | pal[0] = self.version as u8; | |
69 | pal[1] = has_pal as u8; | |
70 | self.src.read_buf(&mut pal[2..])?; | |
71 | self.vframe_len.clear(); | |
72 | self.vframe_len.reserve(self.nframes); | |
73 | if self.version < 6 { | |
74 | for _ in 0..self.nframes { | |
75 | let size = self.src.read_u16le()?; | |
76 | self.vframe_len.push(u32::from(size)); | |
77 | } | |
78 | } else { | |
79 | for _ in 0..self.nframes { | |
80 | let size = self.src.read_u32le()?; | |
81 | self.vframe_len.push(size); | |
82 | } | |
83 | } | |
84 | ||
85 | self.pkt_len.clear(); | |
86 | self.pkt_len.reserve(self.nframes); | |
87 | if self.version < 6 { | |
88 | for _ in 0..self.nframes { | |
89 | let size = self.src.read_u16le()?; | |
90 | self.pkt_len.push(u32::from(size)); | |
91 | } | |
92 | } else { | |
93 | for _ in 0..self.nframes { | |
94 | let size = self.src.read_u32le()?; | |
95 | self.pkt_len.push(size); | |
96 | } | |
97 | } | |
98 | self.src.read_skip(256 * 4)?; // cues | |
99 | self.src.read_skip(256 * 2)?; // smth | |
100 | let pos = (self.src.tell() & 0x7FF) as usize; | |
101 | if pos != 0 { | |
102 | self.src.read_skip(0x800 - pos)?; | |
103 | } | |
104 | ||
105 | let vhdr = NAVideoInfo::new(width, height, false, PAL8_FORMAT); | |
106 | let vci = NACodecTypeInfo::Video(vhdr); | |
107 | let vinfo = NACodecInfo::new("rbt-video", vci, Some(pal)); | |
108 | self.v_id = strmgr.add_stream(NAStream::new(StreamType::Video, 0, vinfo, 1, fps.into(), self.nframes as u64)); | |
109 | if self.has_audio { | |
110 | let ahdr = NAAudioInfo::new(11025, 2, SND_S16_FORMAT, 1); | |
111 | let ainfo = NACodecInfo::new("rbt-audio", NACodecTypeInfo::Audio(ahdr), None); | |
112 | self.a_id = strmgr.add_stream(NAStream::new(StreamType::Audio, 1, ainfo, 1, 22050, 2)); | |
113 | } | |
114 | self.apts = 0; | |
115 | self.vpts = 0; | |
116 | self.pkt_no = 0; | |
117 | self.audio = false; | |
118 | ||
119 | Ok(()) | |
120 | } | |
121 | ||
122 | fn get_frame(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<NAPacket> { | |
123 | if self.has_audio && !self.initial.is_empty() { | |
124 | let mut buf = Vec::new(); | |
125 | std::mem::swap(&mut self.initial, &mut buf); | |
126 | if let Some(a_id) = self.a_id { | |
127 | let stream = strmgr.get_stream(a_id).unwrap(); | |
128 | let ts = stream.make_ts(Some(0), None, None); | |
129 | self.apts += (buf.len() - 1) as u64; | |
130 | return Ok(NAPacket::new(stream, ts, true, buf)); | |
131 | } | |
132 | } | |
133 | loop { | |
134 | if self.pkt_no >= self.nframes { | |
135 | return Err(DemuxerError::EOF); | |
136 | } | |
137 | ||
138 | if !self.audio { | |
139 | let stream = strmgr.get_stream(self.v_id.unwrap_or(0)).unwrap(); | |
140 | let ts = stream.make_ts(Some(self.vpts), None, None); | |
141 | self.vpts += 1; | |
142 | ||
143 | let mut buf = vec![0; self.vframe_len[self.pkt_no] as usize]; | |
144 | self.src.read_buf(&mut buf)?; | |
145 | ||
146 | if self.has_audio { | |
147 | self.audio = true; | |
148 | } else { | |
149 | self.src.read_skip((self.pkt_len[self.pkt_no] - self.vframe_len[self.pkt_no]) as usize)?; | |
150 | self.pkt_no += 1; | |
151 | } | |
152 | ||
153 | return Ok(NAPacket::new(stream, ts, self.vpts == 1, buf)); | |
154 | } else { | |
155 | let asize = (self.pkt_len[self.pkt_no] - self.vframe_len[self.pkt_no]) as usize; | |
156 | validate!(asize >= AFRAME_HDR_SIZE); | |
157 | self.audio = false; | |
158 | self.pkt_no += 1; | |
159 | ||
160 | let _ref_apts = u64::from(self.src.read_u32le()?); | |
161 | let ref_asize = self.src.read_u32le()? as usize; | |
162 | validate!(asize == ref_asize + 8); | |
163 | ||
164 | if let Some(a_id) = self.a_id { | |
165 | let stream = strmgr.get_stream(a_id).unwrap(); | |
166 | let ts = stream.make_ts(Some(self.apts), None, None); | |
167 | self.apts += (ref_asize - 8) as u64; | |
168 | let mut buf = vec![0; ref_asize + 1]; | |
169 | buf[0] = 1; | |
170 | self.src.read_buf(&mut buf[1..])?; | |
171 | return Ok(NAPacket::new(stream, ts, true, buf)); | |
172 | } else { | |
173 | self.src.read_skip(ref_asize)?; | |
174 | } | |
175 | } | |
176 | } | |
177 | } | |
178 | ||
179 | fn seek(&mut self, _time: NATimePoint, _seek_index: &SeekIndex) -> DemuxerResult<()> { | |
180 | Err(DemuxerError::NotPossible) | |
181 | } | |
182 | fn get_duration(&self) -> u64 { 0 } | |
183 | } | |
184 | impl<'a> NAOptionHandler for RobotDemuxer<'a> { | |
185 | fn get_supported_options(&self) -> &[NAOptionDefinition] { &[] } | |
186 | fn set_options(&mut self, _options: &[NAOption]) { } | |
187 | fn query_option_value(&self, _name: &str) -> Option<NAValue> { None } | |
188 | } | |
189 | impl<'a> RobotDemuxer<'a> { | |
190 | fn new(io: &'a mut ByteReader<'a>) -> Self { | |
191 | RobotDemuxer { | |
192 | src: io, | |
193 | vpts: 0, | |
194 | apts: 0, | |
195 | a_id: None, | |
196 | v_id: None, | |
197 | nframes: 0, | |
198 | pkt_no: 0, | |
199 | audio: false, | |
200 | has_audio: false, | |
201 | initial: Vec::new(), | |
202 | version: 0, | |
203 | vframe_len: Vec::new(), | |
204 | pkt_len: Vec::new(), | |
205 | } | |
206 | } | |
207 | } | |
208 | ||
209 | pub struct RobotDemuxerCreator { } | |
210 | ||
211 | impl DemuxerCreator for RobotDemuxerCreator { | |
212 | fn new_demuxer<'a>(&self, br: &'a mut ByteReader<'a>) -> Box<dyn DemuxCore<'a> + 'a> { | |
213 | Box::new(RobotDemuxer::new(br)) | |
214 | } | |
215 | fn get_name(&self) -> &'static str { "sierra-rbt" } | |
216 | } | |
217 | ||
218 | #[cfg(test)] | |
219 | mod test { | |
220 | use super::*; | |
221 | use std::fs::File; | |
222 | ||
223 | #[test] | |
224 | fn test_rbt_v4() { | |
225 | // sample from SWAT demo | |
226 | let mut file = File::open("assets/Game/sierra/12.rbt").unwrap(); | |
227 | let mut fr = FileReader::new_read(&mut file); | |
228 | let mut br = ByteReader::new(&mut fr); | |
229 | let mut dmx = RobotDemuxer::new(&mut br); | |
230 | let mut sm = StreamManager::new(); | |
231 | let mut si = SeekIndex::new(); | |
232 | dmx.open(&mut sm, &mut si).unwrap(); | |
233 | loop { | |
234 | let pktres = dmx.get_frame(&mut sm); | |
235 | if let Err(e) = pktres { | |
236 | if (e as i32) == (DemuxerError::EOF as i32) { break; } | |
237 | panic!("error"); | |
238 | } | |
239 | let pkt = pktres.unwrap(); | |
240 | println!("Got {}", pkt); | |
241 | } | |
242 | } | |
243 | #[test] | |
244 | fn test_rbt_v5() { | |
245 | // sample from Space Quest 6 | |
246 | let mut file = File::open("assets/Game/sierra/410.rbt").unwrap(); | |
247 | let mut fr = FileReader::new_read(&mut file); | |
248 | let mut br = ByteReader::new(&mut fr); | |
249 | let mut dmx = RobotDemuxer::new(&mut br); | |
250 | let mut sm = StreamManager::new(); | |
251 | let mut si = SeekIndex::new(); | |
252 | dmx.open(&mut sm, &mut si).unwrap(); | |
253 | loop { | |
254 | let pktres = dmx.get_frame(&mut sm); | |
255 | if let Err(e) = pktres { | |
256 | if (e as i32) == (DemuxerError::EOF as i32) { break; } | |
257 | panic!("error"); | |
258 | } | |
259 | let pkt = pktres.unwrap(); | |
260 | println!("Got {}", pkt); | |
261 | } | |
262 | } | |
263 | #[test] | |
264 | fn test_rbt_v6() { | |
265 | // sample from Rama | |
266 | let mut file = File::open("assets/Game/sierra/7531.RBT").unwrap(); | |
267 | let mut fr = FileReader::new_read(&mut file); | |
268 | let mut br = ByteReader::new(&mut fr); | |
269 | let mut dmx = RobotDemuxer::new(&mut br); | |
270 | let mut sm = StreamManager::new(); | |
271 | let mut si = SeekIndex::new(); | |
272 | dmx.open(&mut sm, &mut si).unwrap(); | |
273 | loop { | |
274 | let pktres = dmx.get_frame(&mut sm); | |
275 | if let Err(e) = pktres { | |
276 | if (e as i32) == (DemuxerError::EOF as i32) { break; } | |
277 | panic!("error"); | |
278 | } | |
279 | let pkt = pktres.unwrap(); | |
280 | println!("Got {}", pkt); | |
281 | } | |
282 | } | |
283 | } |