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Commit | Line | Data |
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1 | use nihav_core::codecs::*; | |
2 | use nihav_core::io::byteio::*; | |
3 | use nihav_codec_support::codecs::HAMShuffler; | |
4 | use std::str::FromStr; | |
5 | use std::sync::Arc; | |
6 | ||
7 | macro_rules! lz_op { | |
8 | (read; $dst:ident, $dpos:expr, $window:ident, $wpos:expr, $br:expr, $dst_size:expr) => { | |
9 | validate!($dpos < $dst_size); | |
10 | let b = $br.read_byte()?; | |
11 | $dst[$dpos] = b; | |
12 | $dpos += 1; | |
13 | $window[$wpos] = b; | |
14 | $wpos = ($wpos + 1) & 0xFFF; | |
15 | }; | |
16 | (copy; $dst:ident, $dpos:expr, $window:ident, $wpos:expr, $off:expr, $dst_size:expr) => { | |
17 | let b = $window[$off]; | |
18 | validate!($dpos < $dst_size); | |
19 | $dst[$dpos] = b; | |
20 | $dpos += 1; | |
21 | $window[$wpos] = b; | |
22 | $wpos = ($wpos + 1) & 0xFFF; | |
23 | $off = ($off + 1) & 0xFFF; | |
24 | }; | |
25 | } | |
26 | fn lz_unpack(br: &mut ByteReader, dst: &mut [u8]) -> DecoderResult<()> { | |
27 | let mut window: [u8; 0x1000] = [0x20; 0x1000]; | |
28 | ||
29 | let dst_size = br.read_u32le()? as usize; | |
30 | validate!(dst_size <= dst.len()); | |
31 | let mut pos; | |
32 | let esc_len; | |
33 | if br.peek_u32le()? == 0x56781234 { | |
34 | br.read_skip(4)?; | |
35 | pos = 0x111; | |
36 | esc_len = 15; | |
37 | } else { | |
38 | pos = 0xFEE; | |
39 | esc_len = 255; | |
40 | } | |
41 | ||
42 | let mut opos = 0; | |
43 | while br.left() > 0 && opos < dst_size { | |
44 | let op = br.read_byte()?; | |
45 | if (op == 0xFF) && (br.left() > 8) { | |
46 | for _ in 0..8 { | |
47 | lz_op!(read; dst, opos, window, pos, br, dst_size); | |
48 | } | |
49 | } else { | |
50 | for i in 0..8 { | |
51 | if opos == dst_size { break; } | |
52 | let is_literal = ((op >> i) & 1) != 0; | |
53 | if is_literal { | |
54 | lz_op!(read; dst, opos, window, pos, br, dst_size); | |
55 | } else { | |
56 | let b0 = br.read_byte()? as usize; | |
57 | let b1 = br.read_byte()? as usize; | |
58 | let mut off = b0 | ((b1 & 0xF0) << 4); | |
59 | let mut len = b1 & 0xF; | |
60 | if len == esc_len { | |
61 | len = (br.read_byte()? as usize) + esc_len; | |
62 | } | |
63 | for _ in 0..len+3 { | |
64 | lz_op!(copy; dst, opos, window, pos, off, dst_size); | |
65 | } | |
66 | } | |
67 | } | |
68 | } | |
69 | } | |
70 | Ok(()) | |
71 | } | |
72 | ||
73 | fn rle_unpack(br: &mut ByteReader, len: usize, dst: &mut [u8]) -> DecoderResult<()> { | |
74 | let end = br.tell() + (len as u64); | |
75 | let mut dpos = 0; | |
76 | if (len & 1) != 0 { | |
77 | dst[dpos] = br.read_byte()?; | |
78 | dpos += 1; | |
79 | } | |
80 | while dpos < dst.len() && br.tell() < end { | |
81 | let val = br.read_byte()?; | |
82 | let len = ((val & 0x7F) as usize) * 2; | |
83 | validate!(dpos + len <= dst.len()); | |
84 | if (val & 0x80) != 0 { | |
85 | let dst = &mut dst[dpos..][..len]; | |
86 | br.read_buf(dst)?; | |
87 | } else { | |
88 | let val = br.read_byte()?; | |
89 | for i in 0..len { | |
90 | dst[dpos + i] = val; | |
91 | } | |
92 | } | |
93 | dpos += len; | |
94 | } | |
95 | Ok(()) | |
96 | } | |
97 | ||
98 | fn decode_frame_data(br: &mut ByteReader, dst: &mut [u8], mut dpos: usize, stride: usize, w: usize, h: usize, method: u8) -> DecoderResult<bool> { | |
99 | match method { | |
100 | 1 => { | |
101 | for _ in 0..h { | |
102 | let mut x = 0; | |
103 | while x < w { | |
104 | let val = br.read_byte()?; | |
105 | let len = ((val & 0x7F) as usize) + 1; | |
106 | validate!(x + len <= w); | |
107 | if (val & 0x80) != 0 { | |
108 | let pix = &mut dst[dpos + x..][..len]; | |
109 | br.read_buf(pix)?; | |
110 | } // otherwise skip already existing data | |
111 | x += len; | |
112 | } | |
113 | dpos += stride; | |
114 | } | |
115 | Ok(false) | |
116 | }, | |
117 | 2 => { | |
118 | for _ in 0..h { | |
119 | let pix = &mut dst[dpos..][..w]; | |
120 | br.read_buf(pix)?; | |
121 | dpos += stride; | |
122 | } | |
123 | Ok(true) | |
124 | }, | |
125 | 3 => { | |
126 | for _ in 0..h { | |
127 | let mut x = 0; | |
128 | while x < w { | |
129 | let val = br.read_byte()?; | |
130 | let len = ((val & 0x7F) as usize) + 1; | |
131 | validate!(x + len <= w); | |
132 | if (val & 0x80) != 0 { | |
133 | let pix = &mut dst[dpos + x..][..len]; | |
134 | if br.peek_byte()? == 0xFF { | |
135 | br.read_skip(1)?; | |
136 | rle_unpack(br, len, pix)?; | |
137 | } else { | |
138 | br.read_buf(pix)?; | |
139 | } | |
140 | } // otherwise data is already there | |
141 | x += len; | |
142 | } | |
143 | dpos += stride; | |
144 | } | |
145 | Ok(false) | |
146 | }, | |
147 | _ => Err(DecoderError::InvalidData), | |
148 | } | |
149 | } | |
150 | ||
151 | struct VMDVideoDecoder { | |
152 | info: NACodecInfoRef, | |
153 | pal: [u8; 768], | |
154 | buf: Vec<u8>, | |
155 | width: usize, | |
156 | height: usize, | |
157 | hams: HAMShuffler, | |
158 | } | |
159 | ||
160 | impl VMDVideoDecoder { | |
161 | fn new() -> Self { | |
162 | Self { | |
163 | info: NACodecInfoRef::default(), | |
164 | pal: [0; 768], | |
165 | buf: Vec::new(), | |
166 | width: 0, | |
167 | height: 0, | |
168 | hams: HAMShuffler::default(), | |
169 | } | |
170 | } | |
171 | fn decode_frame(&mut self, br: &mut ByteReader, buf: &mut NAVideoBuffer<u8>) -> DecoderResult<bool> { | |
172 | let paloff = buf.get_offset(1); | |
173 | let stride = buf.get_stride(0); | |
174 | let data = buf.get_data_mut().unwrap(); | |
175 | let dst = data.as_mut_slice(); | |
176 | ||
177 | let frame_x = br.read_u16le()? as usize; | |
178 | let frame_y = br.read_u16le()? as usize; | |
179 | let frame_l = br.read_u16le()? as usize; | |
180 | let frame_d = br.read_u16le()? as usize; | |
181 | br.read_skip(1)?; | |
182 | let flags = br.read_byte()?; | |
183 | let has_pal = (flags & 0x02) != 0; | |
184 | if (frame_x == 0xFFFF) && (frame_y == 0xFFFF) && (frame_l == 0xFFFF) && (frame_d == 0xFFFF) { | |
185 | return Ok(false); | |
186 | } | |
187 | validate!(frame_l >= frame_x && frame_d >= frame_y); | |
188 | validate!(frame_l < self.width && frame_d < self.height); | |
189 | ||
190 | if has_pal { | |
191 | br.read_skip(2)?; | |
192 | for e in self.pal.iter_mut() { | |
193 | let val = br.read_byte()?; | |
194 | *e = (val << 2) | (val >> 4); | |
195 | } | |
196 | } | |
197 | ||
198 | let dpal = &mut dst[paloff..][..768]; | |
199 | dpal.copy_from_slice(&self.pal[0..]); | |
200 | ||
201 | if br.left() == 0 { return Ok(false); } | |
202 | ||
203 | let w = frame_l + 1 - frame_x; | |
204 | let h = frame_d + 1 - frame_y; | |
205 | let dpos = frame_x + frame_y * stride; | |
206 | ||
207 | let method = br.read_byte()?; | |
208 | let is_intra; | |
209 | if (method & 0x80) != 0 { | |
210 | validate!(!self.buf.is_empty()); | |
211 | lz_unpack(br, &mut self.buf)?; | |
212 | let mut mr = MemoryReader::new_read(&self.buf); | |
213 | let mut buf_br = ByteReader::new(&mut mr); | |
214 | is_intra = decode_frame_data(&mut buf_br, dst, dpos, stride, w, h, method & 0x7F)?; | |
215 | } else { | |
216 | is_intra = decode_frame_data(br, dst, dpos, stride, w, h, method & 0x7F)?; | |
217 | } | |
218 | Ok(is_intra && frame_x == 0 && frame_y == 0 && w == self.width && h == self.height) | |
219 | } | |
220 | } | |
221 | ||
222 | impl NADecoder for VMDVideoDecoder { | |
223 | fn init(&mut self, _supp: &mut NADecoderSupport, info: NACodecInfoRef) -> DecoderResult<()> { | |
224 | if let NACodecTypeInfo::Video(vinfo) = info.get_properties() { | |
225 | self.width = vinfo.get_width(); | |
226 | self.height = vinfo.get_height(); | |
227 | let myinfo = NACodecTypeInfo::Video(NAVideoInfo::new(self.width, self.height, false, PAL8_FORMAT)); | |
228 | self.info = NACodecInfo::new_ref(info.get_name(), myinfo, info.get_extradata()).into_ref(); | |
229 | validate!(info.get_extradata().is_some()); | |
230 | ||
231 | if let Some(ref edata) = info.get_extradata() { | |
232 | validate!(edata.len() == 0x330); | |
233 | let unp_size = read_u32le(&edata[800..])? as usize; | |
234 | validate!(unp_size < self.width * self.height * 3 + 64); // just for sanity | |
235 | self.buf.resize(unp_size, 0); | |
236 | for i in 0..768 { | |
237 | let el = edata[28 + i]; | |
238 | self.pal[i] = (el << 2) | (el >> 4); | |
239 | } | |
240 | } | |
241 | ||
242 | Ok(()) | |
243 | } else { | |
244 | Err(DecoderError::InvalidData) | |
245 | } | |
246 | } | |
247 | fn decode(&mut self, _supp: &mut NADecoderSupport, pkt: &NAPacket) -> DecoderResult<NAFrameRef> { | |
248 | let src = pkt.get_buffer(); | |
249 | validate!(src.len() >= 10); | |
250 | ||
251 | let mut mr = MemoryReader::new_read(&src); | |
252 | let mut br = ByteReader::new(&mut mr); | |
253 | ||
254 | let mut buf; | |
255 | let bufret = self.hams.clone_ref(); | |
256 | if let Some(bbuf) = bufret { | |
257 | buf = bbuf; | |
258 | } else { | |
259 | let bufinfo = alloc_video_buffer(self.info.get_properties().get_video_info().unwrap(), 4)?; | |
260 | buf = bufinfo.get_vbuf().unwrap(); | |
261 | self.hams.add_frame(buf); | |
262 | buf = self.hams.get_output_frame().unwrap(); | |
263 | } | |
264 | ||
265 | let is_intra = self.decode_frame(&mut br, &mut buf)?; | |
266 | ||
267 | let mut frm = NAFrame::new_from_pkt(pkt, self.info.clone(), NABufferType::Video(buf)); | |
268 | frm.set_keyframe(is_intra); | |
269 | frm.set_frame_type(if is_intra { FrameType::I } else { FrameType::P }); | |
270 | Ok(frm.into_ref()) | |
271 | } | |
272 | fn flush(&mut self) { | |
273 | self.hams.clear(); | |
274 | } | |
275 | } | |
276 | ||
277 | ||
278 | pub fn get_decoder_video() -> Box<dyn NADecoder + Send> { | |
279 | Box::new(VMDVideoDecoder::new()) | |
280 | } | |
281 | ||
282 | #[derive(Clone,Copy,PartialEq)] | |
283 | enum VMDAudioMode { | |
284 | U8, | |
285 | DPCM, | |
286 | StereoDPCM, | |
287 | } | |
288 | ||
289 | struct VMDAudioDecoder { | |
290 | ainfo: NAAudioInfo, | |
291 | info: Arc<NACodecInfo>, | |
292 | chmap: NAChannelMap, | |
293 | blk_align: usize, | |
294 | blk_size: usize, | |
295 | mode: VMDAudioMode, | |
296 | pred: [i32; 2], | |
297 | last_byte: Option<u8>, | |
298 | is_odd: bool, | |
299 | ch: usize, | |
300 | } | |
301 | ||
302 | const SOL_AUD_STEPS16: [i16; 128] = [ | |
303 | 0x00, 0x08, 0x10, 0x20, 0x30, 0x40, 0x50, 0x60, | |
304 | 0x70, 0x80, 0x90, 0xA0, 0xB0, 0xC0, 0xD0, 0xE0, | |
305 | 0xF0, 0x100, 0x110, 0x120, 0x130, 0x140, 0x150, 0x160, | |
306 | 0x170, 0x180, 0x190, 0x1A0, 0x1B0, 0x1C0, 0x1D0, 0x1E0, | |
307 | 0x1F0, 0x200, 0x208, 0x210, 0x218, 0x220, 0x228, 0x230, | |
308 | 0x238, 0x240, 0x248, 0x250, 0x258, 0x260, 0x268, 0x270, | |
309 | 0x278, 0x280, 0x288, 0x290, 0x298, 0x2A0, 0x2A8, 0x2B0, | |
310 | 0x2B8, 0x2C0, 0x2C8, 0x2D0, 0x2D8, 0x2E0, 0x2E8, 0x2F0, | |
311 | 0x2F8, 0x300, 0x308, 0x310, 0x318, 0x320, 0x328, 0x330, | |
312 | 0x338, 0x340, 0x348, 0x350, 0x358, 0x360, 0x368, 0x370, | |
313 | 0x378, 0x380, 0x388, 0x390, 0x398, 0x3A0, 0x3A8, 0x3B0, | |
314 | 0x3B8, 0x3C0, 0x3C8, 0x3D0, 0x3D8, 0x3E0, 0x3E8, 0x3F0, | |
315 | 0x3F8, 0x400, 0x440, 0x480, 0x4C0, 0x500, 0x540, 0x580, | |
316 | 0x5C0, 0x600, 0x640, 0x680, 0x6C0, 0x700, 0x740, 0x780, | |
317 | 0x7C0, 0x800, 0x900, 0xA00, 0xB00, 0xC00, 0xD00, 0xE00, | |
318 | 0xF00, 0x1000, 0x1400, 0x1800, 0x1C00, 0x2000, 0x3000, 0x4000 | |
319 | ]; | |
320 | ||
321 | impl VMDAudioDecoder { | |
322 | fn new() -> Self { | |
323 | Self { | |
324 | ainfo: NAAudioInfo::new(0, 1, SND_S16P_FORMAT, 0), | |
325 | info: NACodecInfo::new_dummy(), | |
326 | chmap: NAChannelMap::new(), | |
327 | blk_align: 0, | |
328 | blk_size: 0, | |
329 | mode: VMDAudioMode::U8, | |
330 | pred: [0; 2], | |
331 | last_byte: None, | |
332 | is_odd: false, | |
333 | ch: 0, | |
334 | } | |
335 | } | |
336 | fn decode_16bit(&self, dst: &mut [i16], off1: usize, br: &mut ByteReader, nblocks: usize, mut mask: u32) -> DecoderResult<()> { | |
337 | let channels = self.chmap.num_channels(); | |
338 | let mut off = [0, off1]; | |
339 | for _ in 0..nblocks { | |
340 | if (mask & 1) != 0 { | |
341 | for ch in 0..channels { | |
342 | for i in 0..self.blk_align { | |
343 | dst[off[ch] + i] = 0; | |
344 | } | |
345 | off[ch] += self.blk_align; | |
346 | } | |
347 | } else { | |
348 | let mut pred: [i32; 2] = [0; 2]; | |
349 | for ch in 0..channels { | |
350 | pred[ch] = i32::from(br.read_u16le()?); | |
351 | dst[off[ch]] = pred[ch] as i16; | |
352 | off[ch] += 1; | |
353 | } | |
354 | let mut ch = 0; | |
355 | let flip_ch = if channels == 2 { 1 } else { 0 }; | |
356 | for _ in channels..self.blk_align*channels { | |
357 | pred[ch] = Self::pred16(pred[ch], br.read_byte()?); | |
358 | //pred[ch] = pred[ch].max(-32768).min(32767); | |
359 | dst[off[ch]] = pred[ch] as i16; | |
360 | off[ch] += 1; | |
361 | ch ^= flip_ch; | |
362 | } | |
363 | } | |
364 | mask >>= 1; | |
365 | } | |
366 | validate!(br.left() == 0); | |
367 | Ok(()) | |
368 | } | |
369 | fn pred16(pred: i32, val: u8) -> i32 { | |
370 | if (val & 0x80) != 0 { | |
371 | pred - i32::from(SOL_AUD_STEPS16[(val & 0x7F) as usize]) | |
372 | } else { | |
373 | pred + i32::from(SOL_AUD_STEPS16[(val & 0x7F) as usize]) | |
374 | } | |
375 | } | |
376 | fn cvt_u8(val: u8) -> u8 { | |
377 | if val < 128 { | |
378 | 127 - val | |
379 | } else { | |
380 | val | |
381 | } | |
382 | } | |
383 | } | |
384 | ||
385 | impl NADecoder for VMDAudioDecoder { | |
386 | fn init(&mut self, _supp: &mut NADecoderSupport, info: NACodecInfoRef) -> DecoderResult<()> { | |
387 | if let NACodecTypeInfo::Audio(ainfo) = info.get_properties() { | |
388 | let fmt; | |
389 | let channels = ainfo.get_channels() as usize; | |
390 | let edata = info.get_extradata(); | |
391 | let flags = if let Some(ref buf) = edata { | |
392 | validate!(buf.len() >= 2); | |
393 | (buf[0] as u16) | ((buf[1] as u16) << 8) | |
394 | } else { | |
395 | 0 | |
396 | }; | |
397 | validate!((channels == 1) ^ ((flags & 0x8200) != 0)); | |
398 | if ainfo.get_format().get_bits() == 8 { | |
399 | self.blk_size = ainfo.get_block_len(); | |
400 | self.blk_align = ainfo.get_block_len() / channels; | |
401 | if (flags & 0x8000) == 0 { | |
402 | fmt = SND_U8_FORMAT; | |
403 | self.mode = VMDAudioMode::U8; | |
404 | } else { | |
405 | fmt = SND_S16_FORMAT; | |
406 | self.mode = VMDAudioMode::StereoDPCM; | |
407 | self.is_odd = (channels == 2) && ((self.blk_size & 1) != 0); | |
408 | } | |
409 | } else { | |
410 | fmt = SND_S16P_FORMAT; | |
411 | self.blk_size = (ainfo.get_block_len() + 1) * channels; | |
412 | self.blk_align = ainfo.get_block_len(); | |
413 | self.mode = VMDAudioMode::DPCM; | |
414 | }; | |
415 | self.ainfo = NAAudioInfo::new(ainfo.get_sample_rate(), ainfo.get_channels(), fmt, ainfo.get_block_len()); | |
416 | self.info = info.replace_info(NACodecTypeInfo::Audio(self.ainfo.clone())); | |
417 | self.chmap = NAChannelMap::from_str(if channels == 1 { "C" } else { "L,R" }).unwrap(); | |
418 | Ok(()) | |
419 | } else { | |
420 | Err(DecoderError::InvalidData) | |
421 | } | |
422 | } | |
423 | fn decode(&mut self, _supp: &mut NADecoderSupport, pkt: &NAPacket) -> DecoderResult<NAFrameRef> { | |
424 | let info = pkt.get_stream().get_info(); | |
425 | if let NACodecTypeInfo::Audio(_) = info.get_properties() { | |
426 | let pktbuf = pkt.get_buffer(); | |
427 | validate!(pktbuf.len() >= 6); | |
428 | let mut mr = MemoryReader::new_read(&pktbuf); | |
429 | let mut br = ByteReader::new(&mut mr); | |
430 | let blk_type = br.read_byte()?; | |
431 | br.read_skip(9)?; | |
432 | let mask; | |
433 | let nblocks; | |
434 | if blk_type == 2 { // initial | |
435 | mask = br.read_u32le()?; | |
436 | nblocks = (mask.count_ones() as usize) + (pktbuf.len() - 14) / self.blk_size; | |
437 | } else if blk_type == 3 { // silence | |
438 | mask = 1; | |
439 | nblocks = 1; | |
440 | } else { | |
441 | mask = 0; | |
442 | nblocks = 1; | |
443 | } | |
444 | let mut samples = nblocks * self.blk_align; | |
445 | if self.mode == VMDAudioMode::StereoDPCM && self.is_odd { | |
446 | samples += (nblocks + if self.last_byte.is_some() { 1 } else { 0 }) / 2; | |
447 | } | |
448 | let abuf = alloc_audio_buffer(self.ainfo, samples, self.chmap.clone())?; | |
449 | match self.mode { | |
450 | VMDAudioMode::DPCM => { | |
451 | let mut adata = abuf.get_abuf_i16().unwrap(); | |
452 | let off1 = adata.get_offset(1); | |
453 | let mut dst = adata.get_data_mut().unwrap(); | |
454 | self.decode_16bit(&mut dst, off1, &mut br, nblocks, mask)?; | |
455 | }, | |
456 | VMDAudioMode::U8 => { | |
457 | let mut adata = abuf.get_abuf_u8().unwrap(); | |
458 | let dst = adata.get_data_mut().unwrap(); | |
459 | let mut doff = 0; | |
460 | let mut mask = mask; | |
461 | let channels = self.chmap.num_channels(); | |
462 | for _ in 0..nblocks { | |
463 | if (mask & 1) != 0 { | |
464 | for i in 0..self.blk_align * channels { | |
465 | dst[doff + i] = 128; | |
466 | } | |
467 | } else if channels == 1 { | |
468 | for i in 0..self.blk_size { | |
469 | dst[doff + i] = br.read_byte()?; | |
470 | } | |
471 | } else { | |
472 | for i in 0..self.blk_size { | |
473 | let val = Self::cvt_u8(br.read_byte()?); | |
474 | dst[doff + i] = val; | |
475 | } | |
476 | } | |
477 | doff += self.blk_align * channels; | |
478 | mask >>= 1; | |
479 | } | |
480 | }, | |
481 | VMDAudioMode::StereoDPCM => { | |
482 | let mut adata = abuf.get_abuf_i16().unwrap(); | |
483 | let dst = adata.get_data_mut().unwrap(); | |
484 | let mut doff = 0; | |
485 | let mut mask = mask; | |
486 | let mut ch = self.ch; | |
487 | for _ in 0..nblocks { | |
488 | let put_sample = self.last_byte.is_some(); | |
489 | if let (true, Some(val)) = (self.is_odd, self.last_byte) { | |
490 | self.pred[ch] = Self::pred16(self.pred[ch], val); | |
491 | dst[doff] = self.pred[ch] as i16; | |
492 | doff += 1; | |
493 | ch ^= 1; | |
494 | self.last_byte = None; | |
495 | } | |
496 | if (mask & 1) != 0 { | |
497 | for i in 0..self.blk_align { | |
498 | dst[doff + i * 2 + 0] = self.pred[ch] as i16; | |
499 | dst[doff + i * 2 + 1] = self.pred[ch ^ 1] as i16; | |
500 | } | |
501 | if self.is_odd { | |
502 | if put_sample { | |
503 | dst[doff + self.blk_align * 2] = self.pred[ch] as i16; | |
504 | doff += 1; | |
505 | ch ^= 1; | |
506 | } else { | |
507 | self.last_byte = Some(0); | |
508 | } | |
509 | } | |
510 | } else { | |
511 | for i in 0..self.blk_align { | |
512 | self.pred[ch] = Self::pred16(self.pred[ch], br.read_byte()?); | |
513 | dst[doff + i * 2] = self.pred[ch] as i16; | |
514 | self.pred[ch ^ 1] = Self::pred16(self.pred[ch ^ 1], br.read_byte()?); | |
515 | dst[doff + i * 2 + 1] = self.pred[ch ^ 1] as i16; | |
516 | } | |
517 | if self.is_odd { | |
518 | let val = br.read_byte()?; | |
519 | if put_sample { | |
520 | self.pred[ch] = Self::pred16(self.pred[ch], val); | |
521 | dst[doff + self.blk_align * 2] = self.pred[ch] as i16; | |
522 | doff += 1; | |
523 | ch ^= 1; | |
524 | } else { | |
525 | self.last_byte = Some(val); | |
526 | } | |
527 | } | |
528 | } | |
529 | doff += self.blk_align * 2; | |
530 | mask >>= 1; | |
531 | } | |
532 | self.ch = ch; | |
533 | }, | |
534 | }; | |
535 | ||
536 | let mut frm = NAFrame::new_from_pkt(pkt, self.info.clone(), abuf); | |
537 | frm.set_duration(Some(samples as u64)); | |
538 | frm.set_keyframe(true); | |
539 | Ok(frm.into_ref()) | |
540 | } else { | |
541 | Err(DecoderError::InvalidData) | |
542 | } | |
543 | } | |
544 | fn flush(&mut self) { | |
545 | } | |
546 | } | |
547 | ||
548 | pub fn get_decoder_audio() -> Box<dyn NADecoder + Send> { | |
549 | Box::new(VMDAudioDecoder::new()) | |
550 | } | |
551 | ||
552 | #[cfg(test)] | |
553 | mod test { | |
554 | use nihav_core::codecs::RegisteredDecoders; | |
555 | use nihav_core::demuxers::RegisteredDemuxers; | |
556 | use nihav_codec_support::test::dec_video::*; | |
557 | use crate::game_register_all_codecs; | |
558 | use crate::game_register_all_demuxers; | |
559 | #[test] | |
560 | fn test_vmd_video() { | |
561 | let mut dmx_reg = RegisteredDemuxers::new(); | |
562 | game_register_all_demuxers(&mut dmx_reg); | |
563 | let mut dec_reg = RegisteredDecoders::new(); | |
564 | game_register_all_codecs(&mut dec_reg); | |
565 | ||
566 | test_decoding("vmd", "vmd-video", "assets/Game/2832.VMD", Some(10), &dmx_reg, &dec_reg, | |
567 | ExpectedTestResult::MD5Frames(vec![ | |
568 | [0xd29e0214, 0xf38ad154, 0xccbd381f, 0x3de1109c], | |
569 | [0x904074eb, 0x202b1d6f, 0xe3f68538, 0xf0db641c], | |
570 | [0x9c8b1b6c, 0xe205b8dc, 0xbfb07406, 0x993ace41], | |
571 | [0x71ce4220, 0x8747fd05, 0x854dd86d, 0x2664cde5], | |
572 | [0x3bc65fa4, 0xebb95292, 0xe0a0fea6, 0x0acfdea1], | |
573 | [0x33982045, 0x8d11b69b, 0xac254a75, 0x63896a21], | |
574 | [0xa667db33, 0x90e122d3, 0x2243da15, 0xcc4bffd2], | |
575 | [0x518621c1, 0xb91412bc, 0x12312869, 0x141ef647], | |
576 | [0x3069977e, 0x68fd3fa0, 0x2bfdb00d, 0x1e694684], | |
577 | [0x246c12aa, 0x15137fb0, 0xa4b0fc3e, 0x626a2676], | |
578 | [0x72cce7e3, 0x98506d04, 0xd4d8bbaf, 0x3cc5e32d]])); | |
579 | } | |
580 | #[test] | |
581 | fn test_vmd_audio_u8() { | |
582 | let mut dmx_reg = RegisteredDemuxers::new(); | |
583 | game_register_all_demuxers(&mut dmx_reg); | |
584 | let mut dec_reg = RegisteredDecoders::new(); | |
585 | game_register_all_codecs(&mut dec_reg); | |
586 | ||
587 | test_decoding("vmd", "vmd-audio", "assets/Game/1491.VMD", None, &dmx_reg, &dec_reg, | |
588 | ExpectedTestResult::MD5([0x75037601, 0xbc7b3976, 0x6e1c948b, 0xf05a3d6c])); | |
589 | } | |
590 | #[test] | |
591 | fn test_vmd_audio_s16_old() { | |
592 | let mut dmx_reg = RegisteredDemuxers::new(); | |
593 | game_register_all_demuxers(&mut dmx_reg); | |
594 | let mut dec_reg = RegisteredDecoders::new(); | |
595 | game_register_all_codecs(&mut dec_reg); | |
596 | ||
597 | test_decoding("vmd", "vmd-audio", "assets/Game/2832.VMD", None, &dmx_reg, &dec_reg, | |
598 | ExpectedTestResult::MD5([0x32dcdf0e, 0xee058684, 0x43ed5bf1, 0x2ff18b5a])); | |
599 | } | |
600 | #[test] | |
601 | fn test_vmd_audio_s16_new() { | |
602 | let mut dmx_reg = RegisteredDemuxers::new(); | |
603 | game_register_all_demuxers(&mut dmx_reg); | |
604 | let mut dec_reg = RegisteredDecoders::new(); | |
605 | game_register_all_codecs(&mut dec_reg); | |
606 | ||
607 | test_decoding("vmd", "vmd-audio", "assets/Game/1000.VMD", None, &dmx_reg, &dec_reg, | |
608 | ExpectedTestResult::MD5([0xc36215d3, 0x96530a80, 0x89f1fa8e, 0x49da302b])); | |
609 | } | |
610 | } |