Commit | Line | Data |
---|---|---|
dab59886 KS |
1 | use nihav_core::codecs::*; |
2 | use nihav_core::io::byteio::*; | |
dab59886 | 3 | |
adfa9ca4 KS |
4 | type UnpackedPixel = [u16; 4]; |
5 | ||
b55da0ef KS |
6 | fn map_quality(quality: u8) -> (u32, u32) { |
7 | if quality == 0 { | |
8 | (0, 0) | |
9 | } else { | |
10 | let skip_threshold = (10 - (u32::from(quality) / 10).min(10)) * 8; | |
11 | let fill_threshold = (10 - (u32::from(quality) / 10).min(10)) * 16; | |
12 | (skip_threshold, fill_threshold) | |
13 | } | |
14 | } | |
15 | ||
81d5776a | 16 | trait PixelOps { |
adfa9ca4 | 17 | fn unpack(&self) -> UnpackedPixel; |
81d5776a KS |
18 | fn dist<T: PixelOps>(&self, val: T) -> u32 { |
19 | dist_core(self.unpack(), &val.unpack()) | |
dab59886 | 20 | } |
81d5776a KS |
21 | } |
22 | ||
23 | impl PixelOps for u16 { | |
adfa9ca4 | 24 | fn unpack(&self) -> UnpackedPixel { |
81d5776a KS |
25 | let val = *self; |
26 | let r = (val >> 10) & 0x1F; | |
27 | let g = (val >> 5) & 0x1F; | |
28 | let b = val & 0x1F; | |
29 | [r, g, b, rgb2y(r, g, b)] | |
dab59886 | 30 | } |
81d5776a KS |
31 | } |
32 | ||
adfa9ca4 | 33 | fn dist_core(val: UnpackedPixel, other: &UnpackedPixel) -> u32 { |
81d5776a KS |
34 | let sum = val.iter().zip(other.iter()).take(3).fold(0i32, |
35 | |acc, (&a, &b)| { | |
36 | let diff = i32::from(a) - i32::from(b); | |
37 | acc + diff * diff | |
38 | }); | |
39 | sum as u32 | |
40 | } | |
41 | ||
42 | ||
43 | fn rgb2y(r: u16, g: u16, b: u16) -> u16 { | |
44 | (r * 77 + g * 150 + b * 29) >> 8 | |
45 | } | |
46 | ||
adfa9ca4 | 47 | fn pack_rgb555(val: UnpackedPixel) -> u16 { |
81d5776a KS |
48 | (val[0] << 10) | (val[1] << 5) | val[2] |
49 | } | |
50 | ||
51 | #[derive(Default)] | |
52 | struct PixelAverage { | |
adfa9ca4 | 53 | sum: UnpackedPixel, |
81d5776a KS |
54 | count: u16, |
55 | } | |
56 | ||
57 | impl PixelAverage { | |
58 | fn new() -> Self { Self::default() } | |
adfa9ca4 | 59 | fn add(&mut self, val: &UnpackedPixel) { |
81d5776a KS |
60 | for (dst, &src) in self.sum.iter_mut().zip(val.iter()) { |
61 | *dst += src; | |
dab59886 | 62 | } |
81d5776a | 63 | self.count += 1; |
dab59886 | 64 | } |
adfa9ca4 | 65 | fn get_avg(&self) -> UnpackedPixel { |
81d5776a KS |
66 | if self.count > 0 { |
67 | let mut ret = self.sum; | |
68 | for el in ret.iter_mut() { | |
69 | *el /= self.count; | |
70 | } | |
71 | ret | |
dab59886 | 72 | } else { |
81d5776a | 73 | [0; 4] |
dab59886 KS |
74 | } |
75 | } | |
76 | } | |
77 | ||
81d5776a KS |
78 | macro_rules! quant_template { |
79 | ($name:ident, $N:expr) => { | |
adfa9ca4 | 80 | fn $name(pix: &[UnpackedPixel; $N]) -> ([UnpackedPixel; 2], u16, u32) { |
81d5776a KS |
81 | let mut avg = PixelAverage::new(); |
82 | let mut maxv = [0; 4]; | |
83 | let mut minv = [255; 4]; | |
adfa9ca4 KS |
84 | for src in pix.iter() { |
85 | avg.add(src); | |
86 | for ((maxv, minv), &comp) in maxv.iter_mut().zip(minv.iter_mut()).zip(src.iter()) { | |
81d5776a KS |
87 | *maxv = (*maxv).max(comp); |
88 | *minv = (*minv).min(comp); | |
89 | } | |
90 | } | |
91 | let avg = avg.get_avg(); | |
dab59886 | 92 | |
81d5776a KS |
93 | let mut best_axis = 3; |
94 | let mut best_dist = maxv[3] - minv[3]; | |
95 | for (comp_no, (&minval, &maxval)) in minv.iter().zip(maxv.iter()).enumerate().take(3) { | |
96 | if maxval - minval > best_dist { | |
97 | best_axis = comp_no; | |
98 | best_dist = maxval - minval; | |
99 | } | |
100 | } | |
101 | if best_dist == 0 { | |
81d5776a | 102 | let mut dist = 0; |
adfa9ca4 | 103 | for el in pix.iter() { |
81d5776a KS |
104 | dist += dist_core(avg, el); |
105 | } | |
adfa9ca4 | 106 | return ([avg; 2], 0, dist); |
81d5776a KS |
107 | } |
108 | ||
109 | let mut avg1 = PixelAverage::new(); | |
110 | let mut avg2 = PixelAverage::new(); | |
111 | let mut mask = 0; | |
112 | let mut mask_bit = 1; | |
adfa9ca4 | 113 | for clr in pix.iter() { |
81d5776a KS |
114 | if clr[best_axis] > avg[best_axis] { |
115 | avg2.add(clr); | |
116 | mask |= mask_bit; | |
117 | } else { | |
118 | avg1.add(clr); | |
119 | } | |
120 | mask_bit <<= 1; | |
121 | } | |
122 | ||
123 | let clr0 = avg1.get_avg(); | |
124 | let clr1 = avg2.get_avg(); | |
125 | let mut dist = 0; | |
adfa9ca4 | 126 | for clr in pix.iter() { |
81d5776a KS |
127 | let dist0 = dist_core(clr0, clr); |
128 | let dist1 = dist_core(clr1, clr); | |
129 | dist += dist0.min(dist1); | |
130 | } | |
adfa9ca4 | 131 | ([clr0, clr1], mask, dist) |
dab59886 KS |
132 | } |
133 | } | |
134 | } | |
135 | ||
81d5776a KS |
136 | quant_template!(quant2_16pix, 16); |
137 | quant_template!(quant2_4pix, 4); | |
138 | ||
dab59886 KS |
139 | #[derive(Default)] |
140 | struct BlockState { | |
141 | fill_dist: u32, | |
adfa9ca4 | 142 | fill_val: UnpackedPixel, |
dab59886 KS |
143 | clr2_dist: u32, |
144 | clr2_flags: u16, | |
adfa9ca4 | 145 | clr2: [UnpackedPixel; 2], |
dab59886 KS |
146 | clr8_dist: u32, |
147 | clr8_flags: u16, | |
adfa9ca4 KS |
148 | clr8: [[UnpackedPixel; 2]; 4], |
149 | pal_mode: bool, | |
dab59886 KS |
150 | } |
151 | ||
152 | impl BlockState { | |
adfa9ca4 KS |
153 | fn set_fill_val(&mut self, val: UnpackedPixel) { |
154 | self.fill_val = val; | |
155 | if !self.pal_mode { | |
156 | self.fill_val[0] &= !1; | |
157 | } | |
158 | } | |
159 | fn calc_clrs(buf: &[UnpackedPixel; 16]) -> (Option<UnpackedPixel>, Option<UnpackedPixel>) { | |
93d1e373 | 160 | let clr0 = buf[0]; |
adfa9ca4 KS |
161 | let mut clr1 = clr0; |
162 | let mut single = true; | |
93d1e373 | 163 | for &pix in buf[1..].iter() { |
adfa9ca4 KS |
164 | if pix != clr0 { |
165 | if single { | |
93d1e373 | 166 | clr1 = pix; |
adfa9ca4 KS |
167 | single = false; |
168 | } else if pix != clr1 { | |
169 | return (None, None); | |
93d1e373 KS |
170 | } |
171 | } | |
172 | } | |
adfa9ca4 KS |
173 | if !single { |
174 | (Some(clr0), Some(clr1)) | |
175 | } else { | |
176 | (Some(clr0), None) | |
177 | } | |
93d1e373 | 178 | } |
adfa9ca4 | 179 | fn calc_stats(&mut self, buf: &[UnpackedPixel; 16]) { |
93d1e373 KS |
180 | let mut filled = false; |
181 | let mut two_clr = false; | |
adfa9ca4 KS |
182 | match Self::calc_clrs(buf) { |
183 | (Some(clr0), Some(clr1)) => { | |
184 | self.clr2[0] = clr0; | |
185 | self.clr2[1] = clr1; | |
186 | two_clr = true; | |
187 | }, | |
188 | (Some(clr0), None) => { | |
189 | self.clr2[0] = clr0; | |
190 | self.clr2[1] = clr0; | |
191 | self.set_fill_val(buf[0]); | |
93d1e373 | 192 | filled = true; |
adfa9ca4 KS |
193 | two_clr = true; |
194 | }, | |
195 | _ => {}, | |
196 | }; | |
93d1e373 KS |
197 | self.fill_dist = 0; |
198 | if !filled { | |
81d5776a | 199 | let mut avg = PixelAverage::new(); |
adfa9ca4 KS |
200 | for pix in buf.iter() { |
201 | avg.add(pix); | |
dab59886 | 202 | } |
adfa9ca4 | 203 | self.set_fill_val(avg.get_avg()); |
93d1e373 | 204 | for pix in buf.iter() { |
adfa9ca4 | 205 | self.fill_dist += dist_core(self.fill_val, pix); |
93d1e373 | 206 | } |
dab59886 KS |
207 | } |
208 | if self.fill_dist == 0 { | |
209 | self.clr2_dist = std::u32::MAX; | |
210 | self.clr8_dist = std::u32::MAX; | |
211 | return; | |
212 | } | |
213 | ||
214 | self.clr2_flags = 0u16; | |
93d1e373 KS |
215 | if two_clr { |
216 | let mut mask = 1; | |
217 | self.clr2_dist = 0; | |
218 | for &pix in buf.iter() { | |
219 | if pix == self.clr2[0] { | |
220 | self.clr2_flags |= mask; | |
221 | } else { | |
222 | } | |
223 | mask <<= 1; | |
224 | } | |
225 | if (self.clr2_flags & 0x8000) != 0 { | |
226 | self.clr2_flags = !self.clr2_flags; | |
227 | self.clr2.swap(0, 1); | |
228 | } | |
81d5776a KS |
229 | } else { |
230 | let (clrs, mask, dist) = quant2_16pix(&buf); | |
231 | self.clr2 = clrs; | |
232 | self.clr2_flags = mask; | |
233 | self.clr2_dist = dist; | |
dab59886 KS |
234 | if (self.clr2_flags & 0x8000) != 0 { |
235 | self.clr2_flags = !self.clr2_flags; | |
236 | self.clr2.swap(0, 1); | |
237 | } | |
dab59886 KS |
238 | } |
239 | if self.clr2_dist == 0 { | |
240 | self.clr8_dist = std::u32::MAX; | |
241 | return; | |
242 | } | |
243 | ||
adfa9ca4 | 244 | self.clr8 = [[UnpackedPixel::default(); 2]; 4]; |
dab59886 KS |
245 | self.clr8_flags = 0; |
246 | self.clr8_dist = 0; | |
dab59886 KS |
247 | for i in 0..4 { |
248 | let off = (i & 1) * 2 + (i & 2) * 4; | |
249 | let src2 = [buf[off], buf[off + 1], buf[off + 4], buf[off + 5]]; | |
81d5776a KS |
250 | let (clrs, mask, dist) = quant2_4pix(&src2); |
251 | self.clr8[i] = clrs; | |
b4c5fc31 KS |
252 | let lo_bits = (mask & 0x3) ^ 0x3; |
253 | let hi_bits = ((mask & 0xC) ^ 0xC) << 2; | |
254 | self.clr8_flags |= (hi_bits | lo_bits) << ((i & 1) * 2 + (i & 2) * 4); | |
81d5776a | 255 | self.clr8_dist += dist; |
dab59886 | 256 | } |
dab59886 | 257 | } |
adfa9ca4 KS |
258 | } |
259 | ||
260 | struct BlockPainter15 {} | |
261 | impl BlockPainter15 { | |
262 | fn new() -> Self { Self{} } | |
263 | fn put_fill(&self, bstate: &BlockState, dst: &mut [u16], dstride: usize) -> u16 { | |
264 | let fill_val = pack_rgb555(bstate.fill_val); | |
dab59886 KS |
265 | for line in dst.chunks_mut(dstride) { |
266 | for i in 0..4 { | |
adfa9ca4 | 267 | line[i] = fill_val; |
dab59886 KS |
268 | } |
269 | } | |
adfa9ca4 | 270 | fill_val |
dab59886 | 271 | } |
adfa9ca4 KS |
272 | fn put_clr2(&self, bstate: &BlockState, dst: &mut [u16], dstride: usize) -> [u16; 2] { |
273 | let clr2 = [pack_rgb555(bstate.clr2[0]), pack_rgb555(bstate.clr2[1])]; | |
dab59886 KS |
274 | for j in 0..4 { |
275 | for i in 0..4 { | |
adfa9ca4 KS |
276 | if (bstate.clr2_flags & (1 << (i + j * 4))) == 0 { |
277 | dst[i + j * dstride] = clr2[0]; | |
dab59886 | 278 | } else { |
adfa9ca4 | 279 | dst[i + j * dstride] = clr2[1]; |
dab59886 KS |
280 | } |
281 | } | |
282 | } | |
adfa9ca4 | 283 | clr2 |
dab59886 | 284 | } |
adfa9ca4 KS |
285 | fn put_clr8(&self, bstate: &BlockState, dst: &mut [u16], dstride: usize) -> [[u16; 4]; 4] { |
286 | let mut clr8 = [[0; 4]; 4]; | |
287 | for (dst, src) in clr8.iter_mut().zip(bstate.clr8.iter()) { | |
288 | for (dst, &src) in dst.iter_mut().zip(src.iter()) { | |
289 | *dst = pack_rgb555(src); | |
290 | } | |
291 | } | |
b4c5fc31 KS |
292 | let mut clr8_flags = bstate.clr8_flags; |
293 | for (j, line) in dst.chunks_mut(dstride).take(4).enumerate() { | |
294 | for (i, el) in line.iter_mut().take(4).enumerate() { | |
295 | let blk_no = (i >> 1) + (j & 2); | |
296 | *el = clr8[blk_no][(!clr8_flags & 1) as usize]; | |
297 | clr8_flags >>= 1; | |
298 | } | |
dab59886 | 299 | } |
adfa9ca4 | 300 | clr8 |
dab59886 | 301 | } |
adfa9ca4 KS |
302 | } |
303 | ||
304 | struct BlockWriter15 {} | |
305 | impl BlockWriter15 { | |
306 | fn write_fill(bw: &mut ByteWriter, fill_val: u16) -> EncoderResult<()> { | |
307 | bw.write_u16le(fill_val | 0x8000)?; | |
dab59886 KS |
308 | Ok(()) |
309 | } | |
adfa9ca4 KS |
310 | fn write_clr2(bw: &mut ByteWriter, clr2_flags: u16, clr2: [u16; 2]) -> EncoderResult<()> { |
311 | bw.write_u16le(clr2_flags)?; | |
312 | bw.write_u16le(clr2[0])?; | |
313 | bw.write_u16le(clr2[1])?; | |
dab59886 KS |
314 | Ok(()) |
315 | } | |
b4c5fc31 KS |
316 | fn write_clr8(bw: &mut ByteWriter, mut clr8_flags: u16, mut clr8: [[u16; 4]; 4]) -> EncoderResult<()> { |
317 | if (clr8_flags & 0x8000) != 0 { | |
318 | clr8_flags ^= 0xFF00; | |
319 | clr8[2].swap(0, 1); | |
320 | clr8[3].swap(0, 1); | |
321 | } | |
adfa9ca4 KS |
322 | bw.write_u16le(clr8_flags)?; |
323 | bw.write_u16le(clr8[0][0] | 0x8000)?; | |
324 | bw.write_u16le(clr8[0][1])?; | |
325 | bw.write_u16le(clr8[1][0])?; | |
326 | bw.write_u16le(clr8[1][1])?; | |
327 | bw.write_u16le(clr8[2][0])?; | |
328 | bw.write_u16le(clr8[2][1])?; | |
329 | bw.write_u16le(clr8[3][0])?; | |
330 | bw.write_u16le(clr8[3][1])?; | |
dab59886 KS |
331 | Ok(()) |
332 | } | |
333 | } | |
334 | ||
335 | struct MSVideo1Encoder { | |
336 | stream: Option<NAStreamRef>, | |
337 | pkt: Option<NAPacket>, | |
338 | pool: NAVideoBufferPool<u16>, | |
339 | lastfrm: Option<NAVideoBufferRef<u16>>, | |
340 | quality: u8, | |
341 | frmcount: u8, | |
c9c7f648 | 342 | key_int: u8, |
dab59886 KS |
343 | } |
344 | ||
345 | impl MSVideo1Encoder { | |
346 | fn new() -> Self { | |
347 | Self { | |
348 | stream: None, | |
349 | pkt: None, | |
350 | pool: NAVideoBufferPool::new(2), | |
351 | lastfrm: None, | |
352 | quality: 0, | |
353 | frmcount: 0, | |
c9c7f648 | 354 | key_int: 25, |
dab59886 KS |
355 | } |
356 | } | |
adfa9ca4 | 357 | fn get_block(src: &[u16], sstride: usize, buf: &mut [UnpackedPixel; 16]) { |
dab59886 | 358 | for (line, dst) in src.chunks(sstride).zip(buf.chunks_mut(4)) { |
adfa9ca4 KS |
359 | for (dst, src) in dst.iter_mut().zip(line.iter()) { |
360 | *dst = src.unpack(); | |
361 | } | |
b55da0ef KS |
362 | } |
363 | } | |
dab59886 KS |
364 | fn write_skips(bw: &mut ByteWriter, skips: usize) -> EncoderResult<()> { |
365 | bw.write_u16le((skips as u16) | 0x8400)?; | |
366 | Ok(()) | |
367 | } | |
b55da0ef KS |
368 | fn encode_inter(bw: &mut ByteWriter, cur_frm: &mut NAVideoBuffer<u16>, in_frm: &NAVideoBuffer<u16>, prev_frm: &NAVideoBuffer<u16>, quality: u8) -> EncoderResult<bool> { |
369 | let (skip_threshold, fill_threshold) = map_quality(quality); | |
dab59886 KS |
370 | let mut is_intra = true; |
371 | let src = in_frm.get_data(); | |
372 | let sstride = in_frm.get_stride(0); | |
373 | let soff = in_frm.get_offset(0); | |
374 | let (w, h) = in_frm.get_dimensions(0); | |
375 | let rsrc = prev_frm.get_data(); | |
376 | let rstride = prev_frm.get_stride(0); | |
377 | let roff = prev_frm.get_offset(0); | |
378 | let dstride = cur_frm.get_stride(0); | |
379 | let doff = cur_frm.get_offset(0); | |
380 | let dst = cur_frm.get_data_mut().unwrap(); | |
381 | let mut skip_run = 0; | |
adfa9ca4 | 382 | let bpainter = BlockPainter15::new(); |
dab59886 KS |
383 | for ((sstrip, rstrip), dstrip) in (&src[soff..]).chunks(sstride * 4).take(h / 4).zip((&rsrc[roff..]).chunks(rstride * 4)).zip((&mut dst[doff..]).chunks_mut(dstride * 4)) { |
384 | for x in (0..w).step_by(4) { | |
adfa9ca4 KS |
385 | let mut buf = [UnpackedPixel::default(); 16]; |
386 | let mut refbuf = [UnpackedPixel::default(); 16]; | |
dab59886 KS |
387 | Self::get_block(&sstrip[x..], sstride, &mut buf); |
388 | Self::get_block(&rstrip[x..], rstride, &mut refbuf); | |
389 | ||
390 | let mut skip_dist = 0; | |
391 | for (pix, rpix) in buf.iter().zip(refbuf.iter()) { | |
adfa9ca4 | 392 | skip_dist += dist_core(*rpix, pix); |
dab59886 | 393 | } |
b55da0ef | 394 | if skip_dist <= skip_threshold { |
dab59886 KS |
395 | skip_run += 1; |
396 | is_intra = false; | |
3c470781 KS |
397 | for (dst, src) in dstrip[x..].chunks_mut(dstride).zip(rstrip[x..].chunks(rstride)).take(4) { |
398 | dst[..4].copy_from_slice(&src[..4]); | |
b55da0ef | 399 | } |
dab59886 KS |
400 | if skip_run == 1023 { |
401 | Self::write_skips(bw, skip_run)?; | |
402 | skip_run = 0; | |
403 | } | |
404 | continue; | |
405 | } | |
406 | ||
407 | let mut bstate = BlockState::default(); | |
408 | bstate.calc_stats(&buf); | |
409 | ||
410 | let dst = &mut dstrip[x..]; | |
3c470781 | 411 | if skip_dist <= bstate.fill_dist && skip_dist * 2 <= bstate.clr2_dist { |
dab59886 KS |
412 | skip_run += 1; |
413 | is_intra = false; | |
adfa9ca4 KS |
414 | for (dst, src) in dst.chunks_mut(dstride).zip(rstrip[x..].chunks(rstride)).take(4) { |
415 | dst[..4].copy_from_slice(&src[..4]); | |
416 | } | |
dab59886 KS |
417 | if skip_run == 1023 { |
418 | Self::write_skips(bw, skip_run)?; | |
419 | skip_run = 0; | |
420 | } | |
b55da0ef KS |
421 | } else if bstate.fill_dist <= fill_threshold || |
422 | bstate.fill_dist <= bstate.clr2_dist { | |
adfa9ca4 | 423 | let fill_val = bpainter.put_fill(&bstate, dst, dstride); |
dab59886 KS |
424 | if skip_run != 0 { |
425 | Self::write_skips(bw, skip_run)?; | |
426 | skip_run = 0; | |
427 | } | |
adfa9ca4 | 428 | BlockWriter15::write_fill(bw, fill_val)?; |
dab59886 | 429 | } else if bstate.clr8_dist < bstate.clr2_dist { |
adfa9ca4 | 430 | let clr8 = bpainter.put_clr8(&bstate, dst, dstride); |
dab59886 KS |
431 | if skip_run != 0 { |
432 | Self::write_skips(bw, skip_run)?; | |
433 | skip_run = 0; | |
434 | } | |
b4c5fc31 | 435 | BlockWriter15::write_clr8(bw, bstate.clr8_flags, clr8)?; |
dab59886 | 436 | } else { |
adfa9ca4 | 437 | let clr2 = bpainter.put_clr2(&bstate, dst, dstride); |
dab59886 KS |
438 | if skip_run != 0 { |
439 | Self::write_skips(bw, skip_run)?; | |
440 | skip_run = 0; | |
441 | } | |
adfa9ca4 | 442 | BlockWriter15::write_clr2(bw, bstate.clr2_flags, clr2)?; |
dab59886 KS |
443 | } |
444 | } | |
445 | } | |
446 | if skip_run != 0 { | |
447 | Self::write_skips(bw, skip_run)?; | |
448 | } | |
449 | if is_intra { | |
450 | bw.write_u16le(0)?; | |
451 | } //xxx: something for inter? | |
452 | Ok(is_intra) | |
453 | } | |
b55da0ef KS |
454 | fn encode_intra(bw: &mut ByteWriter, cur_frm: &mut NAVideoBuffer<u16>, in_frm: &NAVideoBuffer<u16>, quality: u8) -> EncoderResult<bool> { |
455 | let (_, fill_threshold) = map_quality(quality); | |
dab59886 KS |
456 | let src = in_frm.get_data(); |
457 | let sstride = in_frm.get_stride(0); | |
458 | let soff = in_frm.get_offset(0); | |
459 | let (w, h) = in_frm.get_dimensions(0); | |
460 | let dstride = cur_frm.get_stride(0); | |
461 | let doff = cur_frm.get_offset(0); | |
462 | let dst = cur_frm.get_data_mut().unwrap(); | |
adfa9ca4 | 463 | let bpainter = BlockPainter15::new(); |
dab59886 KS |
464 | for (sstrip, dstrip) in (&src[soff..]).chunks(sstride * 4).take(h / 4).zip((&mut dst[doff..]).chunks_mut(dstride * 4)) { |
465 | for x in (0..w).step_by(4) { | |
adfa9ca4 | 466 | let mut buf = [UnpackedPixel::default(); 16]; |
dab59886 KS |
467 | Self::get_block(&sstrip[x..], sstride, &mut buf); |
468 | let mut bstate = BlockState::default(); | |
469 | bstate.calc_stats(&buf); | |
470 | ||
471 | let dst = &mut dstrip[x..]; | |
b55da0ef KS |
472 | if bstate.fill_dist <= fill_threshold || |
473 | bstate.fill_dist <= bstate.clr2_dist { | |
adfa9ca4 KS |
474 | let fill_val = bpainter.put_fill(&bstate, dst, dstride); |
475 | BlockWriter15::write_fill(bw, fill_val)?; | |
dab59886 | 476 | } else if bstate.clr8_dist < bstate.clr2_dist { |
adfa9ca4 | 477 | let clr8 = bpainter.put_clr8(&bstate, dst, dstride); |
b4c5fc31 | 478 | BlockWriter15::write_clr8(bw, bstate.clr8_flags, clr8)?; |
dab59886 | 479 | } else { |
adfa9ca4 KS |
480 | let clr2 = bpainter.put_clr2(&bstate, dst, dstride); |
481 | BlockWriter15::write_clr2(bw, bstate.clr2_flags, clr2)?; | |
dab59886 KS |
482 | } |
483 | } | |
484 | } | |
485 | bw.write_u16le(0)?; | |
486 | Ok(true) | |
487 | } | |
488 | } | |
489 | ||
490 | const RGB555_FORMAT: NAPixelFormaton = NAPixelFormaton { | |
491 | model: ColorModel::RGB(RGBSubmodel::RGB), components: 3, | |
492 | comp_info: [ | |
493 | Some(NAPixelChromaton{ h_ss: 0, v_ss: 0, packed: true, depth: 5, shift: 10, comp_offs: 0, next_elem: 2 }), | |
494 | Some(NAPixelChromaton{ h_ss: 0, v_ss: 0, packed: true, depth: 5, shift: 5, comp_offs: 0, next_elem: 2 }), | |
495 | Some(NAPixelChromaton{ h_ss: 0, v_ss: 0, packed: true, depth: 5, shift: 0, comp_offs: 0, next_elem: 2 }), | |
496 | None, None], | |
497 | elem_size: 2, be: false, alpha: false, palette: false }; | |
498 | ||
499 | impl NAEncoder for MSVideo1Encoder { | |
500 | fn negotiate_format(&self, encinfo: &EncodeParameters) -> EncoderResult<EncodeParameters> { | |
501 | match encinfo.format { | |
502 | NACodecTypeInfo::None => { | |
6f263099 KS |
503 | Ok(EncodeParameters { |
504 | format: NACodecTypeInfo::Video(NAVideoInfo::new(0, 0, true, RGB555_FORMAT)), | |
505 | ..Default::default() }) | |
dab59886 | 506 | }, |
4efceb69 | 507 | NACodecTypeInfo::Audio(_) => Err(EncoderError::FormatError), |
dab59886 KS |
508 | NACodecTypeInfo::Video(vinfo) => { |
509 | let outinfo = NAVideoInfo::new((vinfo.width + 3) & !3, (vinfo.height + 3) & !3, true, RGB555_FORMAT); | |
d722ffe9 | 510 | let mut ofmt = *encinfo; |
dab59886 KS |
511 | ofmt.format = NACodecTypeInfo::Video(outinfo); |
512 | Ok(ofmt) | |
513 | } | |
514 | } | |
515 | } | |
516 | fn init(&mut self, stream_id: u32, encinfo: EncodeParameters) -> EncoderResult<NAStreamRef> { | |
517 | match encinfo.format { | |
518 | NACodecTypeInfo::None => Err(EncoderError::FormatError), | |
519 | NACodecTypeInfo::Audio(_) => Err(EncoderError::FormatError), | |
520 | NACodecTypeInfo::Video(vinfo) => { | |
521 | if vinfo.format != RGB555_FORMAT { | |
522 | return Err(EncoderError::FormatError); | |
523 | } | |
524 | if ((vinfo.width | vinfo.height) & 3) != 0 { | |
525 | return Err(EncoderError::FormatError); | |
526 | } | |
527 | ||
528 | let out_info = NAVideoInfo::new(vinfo.width, vinfo.height, true, RGB555_FORMAT); | |
4efceb69 | 529 | let info = NACodecInfo::new("msvideo1", NACodecTypeInfo::Video(out_info), None); |
a480a0de | 530 | let mut stream = NAStream::new(StreamType::Video, stream_id, info, encinfo.tb_num, encinfo.tb_den, 0); |
2ff56201 KS |
531 | stream.set_num(stream_id as usize); |
532 | let stream = stream.into_ref(); | |
4efceb69 | 533 | if self.pool.prealloc_video(out_info, 2).is_err() { |
dab59886 KS |
534 | return Err(EncoderError::AllocError); |
535 | } | |
536 | ||
537 | self.stream = Some(stream.clone()); | |
538 | self.quality = encinfo.quality; | |
c8db9313 | 539 | |
dab59886 KS |
540 | Ok(stream) |
541 | }, | |
542 | } | |
543 | } | |
544 | fn encode(&mut self, frm: &NAFrame) -> EncoderResult<()> { | |
545 | let buf = frm.get_buffer(); | |
546 | if let Some(ref vbuf) = buf.get_vbuf16() { | |
547 | let mut cur_frm = self.pool.get_free().unwrap(); | |
548 | let mut dbuf = Vec::with_capacity(4); | |
549 | let mut gw = GrowableMemoryWriter::new_write(&mut dbuf); | |
550 | let mut bw = ByteWriter::new(&mut gw); | |
551 | if self.frmcount == 0 { | |
552 | self.lastfrm = None; | |
553 | } | |
554 | let is_intra = if let Some(ref prev_buf) = self.lastfrm { | |
555 | Self::encode_inter(&mut bw, &mut cur_frm, vbuf, prev_buf, self.quality)? | |
556 | } else { | |
557 | Self::encode_intra(&mut bw, &mut cur_frm, vbuf, self.quality)? | |
558 | }; | |
559 | self.lastfrm = Some(cur_frm); | |
560 | self.pkt = Some(NAPacket::new(self.stream.clone().unwrap(), frm.ts, is_intra, dbuf)); | |
561 | self.frmcount += 1; | |
c9c7f648 | 562 | if self.frmcount == self.key_int { |
dab59886 KS |
563 | self.frmcount = 0; |
564 | } | |
565 | Ok(()) | |
566 | } else { | |
567 | Err(EncoderError::InvalidParameters) | |
568 | } | |
569 | } | |
570 | fn get_packet(&mut self) -> EncoderResult<Option<NAPacket>> { | |
571 | let mut npkt = None; | |
572 | std::mem::swap(&mut self.pkt, &mut npkt); | |
573 | Ok(npkt) | |
574 | } | |
575 | fn flush(&mut self) -> EncoderResult<()> { | |
576 | self.frmcount = 0; | |
577 | Ok(()) | |
578 | } | |
579 | } | |
580 | ||
c9c7f648 KS |
581 | const ENCODER_OPTS: &[NAOptionDefinition] = &[ |
582 | NAOptionDefinition { | |
583 | name: KEYFRAME_OPTION, description: KEYFRAME_OPTION_DESC, | |
584 | opt_type: NAOptionDefinitionType::Int(Some(0), Some(128)) }, | |
585 | ]; | |
586 | ||
20766f15 | 587 | impl NAOptionHandler for MSVideo1Encoder { |
c9c7f648 KS |
588 | fn get_supported_options(&self) -> &[NAOptionDefinition] { ENCODER_OPTS } |
589 | fn set_options(&mut self, options: &[NAOption]) { | |
590 | for option in options.iter() { | |
591 | for opt_def in ENCODER_OPTS.iter() { | |
592 | if opt_def.check(option).is_ok() { | |
593 | match option.name { | |
594 | KEYFRAME_OPTION => { | |
595 | if let NAValue::Int(intval) = option.value { | |
596 | self.key_int = intval as u8; | |
597 | } | |
598 | }, | |
599 | _ => {}, | |
600 | }; | |
601 | } | |
602 | } | |
603 | } | |
604 | } | |
605 | fn query_option_value(&self, name: &str) -> Option<NAValue> { | |
606 | match name { | |
607 | KEYFRAME_OPTION => Some(NAValue::Int(i64::from(self.key_int))), | |
608 | _ => None, | |
609 | } | |
610 | } | |
20766f15 KS |
611 | } |
612 | ||
dab59886 KS |
613 | pub fn get_encoder() -> Box<dyn NAEncoder + Send> { |
614 | Box::new(MSVideo1Encoder::new()) | |
615 | } | |
616 | ||
617 | #[cfg(test)] | |
618 | mod test { | |
619 | use nihav_core::codecs::*; | |
620 | use nihav_core::demuxers::*; | |
621 | use nihav_core::muxers::*; | |
622 | use crate::*; | |
623 | use nihav_commonfmt::*; | |
624 | use nihav_codec_support::test::enc_video::*; | |
625 | use super::RGB555_FORMAT; | |
626 | ||
627 | #[test] | |
628 | fn test_ms_video1_encoder() { | |
629 | let mut dmx_reg = RegisteredDemuxers::new(); | |
630 | generic_register_all_demuxers(&mut dmx_reg); | |
631 | let mut dec_reg = RegisteredDecoders::new(); | |
78fb6560 KS |
632 | generic_register_all_decoders(&mut dec_reg); |
633 | ms_register_all_decoders(&mut dec_reg); | |
dab59886 KS |
634 | let mut mux_reg = RegisteredMuxers::new(); |
635 | generic_register_all_muxers(&mut mux_reg); | |
636 | let mut enc_reg = RegisteredEncoders::new(); | |
637 | ms_register_all_encoders(&mut enc_reg); | |
638 | ||
886cde48 | 639 | // sample: https://samples.mplayerhq.hu/V-codecs/UCOD/TalkingHead_352x288.avi |
dab59886 KS |
640 | let dec_config = DecoderTestParams { |
641 | demuxer: "avi", | |
642 | in_name: "assets/Misc/TalkingHead_352x288.avi", | |
643 | stream_type: StreamType::Video, | |
c75dce78 | 644 | limit: Some(3), |
dab59886 KS |
645 | dmx_reg, dec_reg, |
646 | }; | |
647 | let enc_config = EncoderTestParams { | |
648 | muxer: "avi", | |
649 | enc_name: "msvideo1", | |
650 | out_name: "msvideo1.avi", | |
651 | mux_reg, enc_reg, | |
652 | }; | |
653 | let dst_vinfo = NAVideoInfo { | |
654 | width: 0, | |
655 | height: 0, | |
656 | format: RGB555_FORMAT, | |
657 | flipped: true, | |
30940e74 | 658 | bits: 16, |
dab59886 KS |
659 | }; |
660 | let enc_params = EncodeParameters { | |
661 | format: NACodecTypeInfo::Video(dst_vinfo), | |
b55da0ef | 662 | quality: 80, |
dab59886 KS |
663 | bitrate: 0, |
664 | tb_num: 0, | |
665 | tb_den: 0, | |
666 | flags: 0, | |
667 | }; | |
b09ecc09 KS |
668 | //test_encoding_to_file(&dec_config, &enc_config, enc_params, &[]); |
669 | test_encoding_md5(&dec_config, &enc_config, enc_params, &[], | |
3c470781 | 670 | &[0xe570a206, 0xc223063f, 0x44a0b70e, 0xa71fed1f]); |
dab59886 KS |
671 | } |
672 | } |