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1 | use nihav_core::codecs::*; | |
2 | use nihav_core::io::byteio::*; | |
3 | ||
4 | fn map_quality(quality: u8) -> (u32, u32) { | |
5 | if quality == 0 { | |
6 | (0, 0) | |
7 | } else { | |
8 | let skip_threshold = (10 - (u32::from(quality) / 10).min(10)) * 8; | |
9 | let fill_threshold = (10 - (u32::from(quality) / 10).min(10)) * 16; | |
10 | (skip_threshold, fill_threshold) | |
11 | } | |
12 | } | |
13 | ||
14 | const INVALID_CLR: u16 = 0x8000; | |
15 | ||
16 | trait InvalidPixel { | |
17 | fn is_invalid(self) -> bool; | |
18 | } | |
19 | impl InvalidPixel for u16 { | |
20 | fn is_invalid(self) -> bool { self == INVALID_CLR } | |
21 | } | |
22 | ||
23 | trait PixelOps { | |
24 | fn unpack(&self) -> [u16; 4]; | |
25 | fn dist<T: PixelOps>(&self, val: T) -> u32 { | |
26 | dist_core(self.unpack(), &val.unpack()) | |
27 | } | |
28 | } | |
29 | ||
30 | impl PixelOps for u16 { | |
31 | fn unpack(&self) -> [u16; 4] { | |
32 | let val = *self; | |
33 | let r = (val >> 10) & 0x1F; | |
34 | let g = (val >> 5) & 0x1F; | |
35 | let b = val & 0x1F; | |
36 | [r, g, b, rgb2y(r, g, b)] | |
37 | } | |
38 | } | |
39 | ||
40 | fn dist_core(val: [u16; 4], other: &[u16; 4]) -> u32 { | |
41 | let sum = val.iter().zip(other.iter()).take(3).fold(0i32, | |
42 | |acc, (&a, &b)| { | |
43 | let diff = i32::from(a) - i32::from(b); | |
44 | acc + diff * diff | |
45 | }); | |
46 | sum as u32 | |
47 | } | |
48 | ||
49 | ||
50 | fn rgb2y(r: u16, g: u16, b: u16) -> u16 { | |
51 | (r * 77 + g * 150 + b * 29) >> 8 | |
52 | } | |
53 | ||
54 | fn pack_rgb555(val: [u16; 4]) -> u16 { | |
55 | (val[0] << 10) | (val[1] << 5) | val[2] | |
56 | } | |
57 | ||
58 | #[derive(Default)] | |
59 | struct PixelAverage { | |
60 | sum: [u16; 4], | |
61 | count: u16, | |
62 | } | |
63 | ||
64 | impl PixelAverage { | |
65 | fn new() -> Self { Self::default() } | |
66 | fn add(&mut self, val: &[u16; 4]) { | |
67 | for (dst, &src) in self.sum.iter_mut().zip(val.iter()) { | |
68 | *dst += src; | |
69 | } | |
70 | self.count += 1; | |
71 | } | |
72 | fn get_avg(&self) -> [u16; 4] { | |
73 | if self.count > 0 { | |
74 | let mut ret = self.sum; | |
75 | for el in ret.iter_mut() { | |
76 | *el /= self.count; | |
77 | } | |
78 | ret | |
79 | } else { | |
80 | [0; 4] | |
81 | } | |
82 | } | |
83 | } | |
84 | ||
85 | macro_rules! quant_template { | |
86 | ($name:ident, $N:expr) => { | |
87 | fn $name(pix: &[u16; $N]) -> ([u16; 2], u16, u32) { | |
88 | let mut tmp = [[0; 4]; $N]; | |
89 | let mut avg = PixelAverage::new(); | |
90 | let mut maxv = [0; 4]; | |
91 | let mut minv = [255; 4]; | |
92 | for (dst, &src) in tmp.iter_mut().zip(pix.iter()) { | |
93 | *dst = src.unpack(); | |
94 | avg.add(dst); | |
95 | for ((maxv, minv), &comp) in maxv.iter_mut().zip(minv.iter_mut()).zip(dst.iter()) { | |
96 | *maxv = (*maxv).max(comp); | |
97 | *minv = (*minv).min(comp); | |
98 | } | |
99 | } | |
100 | let avg = avg.get_avg(); | |
101 | ||
102 | let mut best_axis = 3; | |
103 | let mut best_dist = maxv[3] - minv[3]; | |
104 | for (comp_no, (&minval, &maxval)) in minv.iter().zip(maxv.iter()).enumerate().take(3) { | |
105 | if maxval - minval > best_dist { | |
106 | best_axis = comp_no; | |
107 | best_dist = maxval - minval; | |
108 | } | |
109 | } | |
110 | if best_dist == 0 { | |
111 | let avg_pix = pack_rgb555(avg); | |
112 | let mut dist = 0; | |
113 | for el in tmp.iter() { | |
114 | dist += dist_core(avg, el); | |
115 | } | |
116 | return ([avg_pix; 2], 0, dist); | |
117 | } | |
118 | ||
119 | let mut avg1 = PixelAverage::new(); | |
120 | let mut avg2 = PixelAverage::new(); | |
121 | let mut mask = 0; | |
122 | let mut mask_bit = 1; | |
123 | for clr in tmp.iter() { | |
124 | if clr[best_axis] > avg[best_axis] { | |
125 | avg2.add(clr); | |
126 | mask |= mask_bit; | |
127 | } else { | |
128 | avg1.add(clr); | |
129 | } | |
130 | mask_bit <<= 1; | |
131 | } | |
132 | ||
133 | let clr0 = avg1.get_avg(); | |
134 | let clr1 = avg2.get_avg(); | |
135 | let mut dist = 0; | |
136 | for clr in tmp.iter() { | |
137 | let dist0 = dist_core(clr0, clr); | |
138 | let dist1 = dist_core(clr1, clr); | |
139 | dist += dist0.min(dist1); | |
140 | } | |
141 | ([pack_rgb555(clr0), pack_rgb555(clr1)], mask, dist) | |
142 | } | |
143 | } | |
144 | } | |
145 | ||
146 | quant_template!(quant2_16pix, 16); | |
147 | quant_template!(quant2_4pix, 4); | |
148 | ||
149 | #[derive(Default)] | |
150 | struct BlockState { | |
151 | fill_dist: u32, | |
152 | fill_val: u16, | |
153 | clr2_dist: u32, | |
154 | clr2_flags: u16, | |
155 | clr2: [u16; 2], | |
156 | clr8_dist: u32, | |
157 | clr8_flags: u16, | |
158 | clr8: [[u16; 2]; 4], | |
159 | } | |
160 | ||
161 | impl BlockState { | |
162 | fn calc_clrs(buf: &[u16; 16]) -> Option<(u16, u16)> { | |
163 | let clr0 = buf[0]; | |
164 | let mut clr1 = INVALID_CLR; | |
165 | for &pix in buf[1..].iter() { | |
166 | if pix != clr0 && pix != clr1 { | |
167 | if clr1.is_invalid() { | |
168 | clr1 = pix; | |
169 | } else { | |
170 | return None; | |
171 | } | |
172 | } | |
173 | } | |
174 | Some((clr0, clr1)) | |
175 | } | |
176 | fn calc_stats(&mut self, buf: &[u16; 16]) { | |
177 | let mut filled = false; | |
178 | let mut two_clr = false; | |
179 | if let Some((clr0, clr1)) = Self::calc_clrs(buf) { | |
180 | self.clr2[0] = clr0; | |
181 | self.clr2[1] = if !clr1.is_invalid() { clr1 } else { clr0 }; | |
182 | if clr0 == clr1 { | |
183 | self.fill_val = buf[0] & !0x400; | |
184 | filled = true; | |
185 | } | |
186 | two_clr = true; | |
187 | } | |
188 | self.fill_dist = 0; | |
189 | if !filled { | |
190 | let mut avg = PixelAverage::new(); | |
191 | for &pix in buf.iter() { | |
192 | avg.add(&pix.unpack()); | |
193 | } | |
194 | self.fill_val = pack_rgb555(avg.get_avg()) & !0x400; | |
195 | for pix in buf.iter() { | |
196 | self.fill_dist += pix.dist(self.fill_val); | |
197 | } | |
198 | } | |
199 | if self.fill_dist == 0 { | |
200 | self.clr2_dist = std::u32::MAX; | |
201 | self.clr8_dist = std::u32::MAX; | |
202 | return; | |
203 | } | |
204 | ||
205 | self.clr2_flags = 0u16; | |
206 | if two_clr { | |
207 | let mut mask = 1; | |
208 | self.clr2_dist = 0; | |
209 | for &pix in buf.iter() { | |
210 | if pix == self.clr2[0] { | |
211 | self.clr2_flags |= mask; | |
212 | } else { | |
213 | } | |
214 | mask <<= 1; | |
215 | } | |
216 | if (self.clr2_flags & 0x8000) != 0 { | |
217 | self.clr2_flags = !self.clr2_flags; | |
218 | self.clr2.swap(0, 1); | |
219 | } | |
220 | } else { | |
221 | let (clrs, mask, dist) = quant2_16pix(&buf); | |
222 | self.clr2 = clrs; | |
223 | self.clr2_flags = mask; | |
224 | self.clr2_dist = dist; | |
225 | if (self.clr2_flags & 0x8000) != 0 { | |
226 | self.clr2_flags = !self.clr2_flags; | |
227 | self.clr2.swap(0, 1); | |
228 | } | |
229 | } | |
230 | if self.clr2_dist == 0 { | |
231 | self.clr8_dist = std::u32::MAX; | |
232 | return; | |
233 | } | |
234 | ||
235 | self.clr8 = [[0; 2]; 4]; | |
236 | self.clr8_flags = 0; | |
237 | self.clr8_dist = 0; | |
238 | for i in 0..4 { | |
239 | let off = (i & 1) * 2 + (i & 2) * 4; | |
240 | let src2 = [buf[off], buf[off + 1], buf[off + 4], buf[off + 5]]; | |
241 | let (clrs, mask, dist) = quant2_4pix(&src2); | |
242 | self.clr8[i] = clrs; | |
243 | self.clr8_flags |= mask << (i * 4); | |
244 | self.clr8_dist += dist; | |
245 | } | |
246 | if (self.clr8_flags & 0x8000) != 0 { | |
247 | self.clr8_flags ^= 0xF000; | |
248 | self.clr8[3].swap(0, 1); | |
249 | } | |
250 | } | |
251 | fn put_fill(&self, dst: &mut [u16], dstride: usize) { | |
252 | for line in dst.chunks_mut(dstride) { | |
253 | for i in 0..4 { | |
254 | line[i] = self.fill_val; | |
255 | } | |
256 | } | |
257 | } | |
258 | fn put_clr2(&self, dst: &mut [u16], dstride: usize) { | |
259 | for j in 0..4 { | |
260 | for i in 0..4 { | |
261 | if (self.clr2_flags & (1 << (i + j * 4))) == 0 { | |
262 | dst[i + j * dstride] = self.clr2[0]; | |
263 | } else { | |
264 | dst[i + j * dstride] = self.clr2[1]; | |
265 | } | |
266 | } | |
267 | } | |
268 | } | |
269 | fn put_clr8(&self, dst: &mut [u16], dstride: usize) { | |
270 | for i in 0..4 { | |
271 | let off = (i & 1) * 2 + (i & 2) * dstride; | |
272 | let cur_flg = (self.clr8_flags >> (i * 4)) & 0xF; | |
273 | dst[off] = self.clr8[i][( !cur_flg & 1) as usize]; | |
274 | dst[off + 1] = self.clr8[i][((!cur_flg >> 1) & 1) as usize]; | |
275 | dst[off + dstride] = self.clr8[i][((!cur_flg >> 2) & 1) as usize]; | |
276 | dst[off + 1 + dstride] = self.clr8[i][((!cur_flg >> 3) & 1) as usize]; | |
277 | } | |
278 | } | |
279 | fn write_fill(&self, bw: &mut ByteWriter) -> EncoderResult<()> { | |
280 | bw.write_u16le(self.fill_val | 0x8000)?; | |
281 | Ok(()) | |
282 | } | |
283 | fn write_clr2(&self, bw: &mut ByteWriter) -> EncoderResult<()> { | |
284 | bw.write_u16le(self.clr2_flags)?; | |
285 | bw.write_u16le(self.clr2[0])?; | |
286 | bw.write_u16le(self.clr2[1])?; | |
287 | Ok(()) | |
288 | } | |
289 | fn write_clr8(&self, bw: &mut ByteWriter) -> EncoderResult<()> { | |
290 | bw.write_u16le(self.clr8_flags)?; | |
291 | bw.write_u16le(self.clr8[0][0] | 0x8000)?; | |
292 | bw.write_u16le(self.clr8[0][1])?; | |
293 | bw.write_u16le(self.clr8[1][0])?; | |
294 | bw.write_u16le(self.clr8[1][1])?; | |
295 | bw.write_u16le(self.clr8[2][0])?; | |
296 | bw.write_u16le(self.clr8[2][1])?; | |
297 | bw.write_u16le(self.clr8[3][0])?; | |
298 | bw.write_u16le(self.clr8[3][1])?; | |
299 | Ok(()) | |
300 | } | |
301 | } | |
302 | ||
303 | struct MSVideo1Encoder { | |
304 | stream: Option<NAStreamRef>, | |
305 | pkt: Option<NAPacket>, | |
306 | pool: NAVideoBufferPool<u16>, | |
307 | lastfrm: Option<NAVideoBufferRef<u16>>, | |
308 | quality: u8, | |
309 | frmcount: u8, | |
310 | key_int: u8, | |
311 | } | |
312 | ||
313 | impl MSVideo1Encoder { | |
314 | fn new() -> Self { | |
315 | Self { | |
316 | stream: None, | |
317 | pkt: None, | |
318 | pool: NAVideoBufferPool::new(2), | |
319 | lastfrm: None, | |
320 | quality: 0, | |
321 | frmcount: 0, | |
322 | key_int: 25, | |
323 | } | |
324 | } | |
325 | fn get_block(src: &[u16], sstride: usize, buf: &mut [u16; 16]) { | |
326 | for (line, dst) in src.chunks(sstride).zip(buf.chunks_mut(4)) { | |
327 | dst.copy_from_slice(&line[..4]); | |
328 | } | |
329 | } | |
330 | fn put_block(dst: &mut [u16], dstride: usize, buf: &[u16; 16]) { | |
331 | for (line, dst) in buf.chunks(4).zip(dst.chunks_mut(dstride)) { | |
332 | dst[..4].copy_from_slice(&line); | |
333 | } | |
334 | } | |
335 | fn write_skips(bw: &mut ByteWriter, skips: usize) -> EncoderResult<()> { | |
336 | bw.write_u16le((skips as u16) | 0x8400)?; | |
337 | Ok(()) | |
338 | } | |
339 | fn encode_inter(bw: &mut ByteWriter, cur_frm: &mut NAVideoBuffer<u16>, in_frm: &NAVideoBuffer<u16>, prev_frm: &NAVideoBuffer<u16>, quality: u8) -> EncoderResult<bool> { | |
340 | let (skip_threshold, fill_threshold) = map_quality(quality); | |
341 | let mut is_intra = true; | |
342 | let src = in_frm.get_data(); | |
343 | let sstride = in_frm.get_stride(0); | |
344 | let soff = in_frm.get_offset(0); | |
345 | let (w, h) = in_frm.get_dimensions(0); | |
346 | let rsrc = prev_frm.get_data(); | |
347 | let rstride = prev_frm.get_stride(0); | |
348 | let roff = prev_frm.get_offset(0); | |
349 | let dstride = cur_frm.get_stride(0); | |
350 | let doff = cur_frm.get_offset(0); | |
351 | let dst = cur_frm.get_data_mut().unwrap(); | |
352 | let mut skip_run = 0; | |
353 | 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)) { | |
354 | for x in (0..w).step_by(4) { | |
355 | let mut buf = [0; 16]; | |
356 | let mut refbuf = [0; 16]; | |
357 | Self::get_block(&sstrip[x..], sstride, &mut buf); | |
358 | Self::get_block(&rstrip[x..], rstride, &mut refbuf); | |
359 | ||
360 | let mut skip_dist = 0; | |
361 | for (pix, rpix) in buf.iter().zip(refbuf.iter()) { | |
362 | skip_dist += pix.dist(*rpix); | |
363 | } | |
364 | if skip_dist <= skip_threshold { | |
365 | skip_run += 1; | |
366 | is_intra = false; | |
367 | if skip_threshold > 0 { | |
368 | Self::put_block(&mut dstrip[x..], dstride, &refbuf); | |
369 | } | |
370 | if skip_run == 1023 { | |
371 | Self::write_skips(bw, skip_run)?; | |
372 | skip_run = 0; | |
373 | } | |
374 | continue; | |
375 | } | |
376 | ||
377 | let mut bstate = BlockState::default(); | |
378 | bstate.calc_stats(&buf); | |
379 | ||
380 | let dst = &mut dstrip[x..]; | |
381 | if skip_dist <= bstate.fill_dist { | |
382 | skip_run += 1; | |
383 | is_intra = false; | |
384 | Self::put_block(dst, dstride, &refbuf); | |
385 | if skip_run == 1023 { | |
386 | Self::write_skips(bw, skip_run)?; | |
387 | skip_run = 0; | |
388 | } | |
389 | } else if bstate.fill_dist <= fill_threshold || | |
390 | bstate.fill_dist <= bstate.clr2_dist { | |
391 | bstate.put_fill(dst, dstride); | |
392 | if skip_run != 0 { | |
393 | Self::write_skips(bw, skip_run)?; | |
394 | skip_run = 0; | |
395 | } | |
396 | bstate.write_fill(bw)?; | |
397 | } else if bstate.clr8_dist < bstate.clr2_dist { | |
398 | bstate.put_clr8(dst, dstride); | |
399 | if skip_run != 0 { | |
400 | Self::write_skips(bw, skip_run)?; | |
401 | skip_run = 0; | |
402 | } | |
403 | bstate.write_clr8(bw)?; | |
404 | } else { | |
405 | bstate.put_clr2(dst, dstride); | |
406 | if skip_run != 0 { | |
407 | Self::write_skips(bw, skip_run)?; | |
408 | skip_run = 0; | |
409 | } | |
410 | bstate.write_clr2(bw)?; | |
411 | } | |
412 | } | |
413 | } | |
414 | if skip_run != 0 { | |
415 | Self::write_skips(bw, skip_run)?; | |
416 | } | |
417 | if is_intra { | |
418 | bw.write_u16le(0)?; | |
419 | } //xxx: something for inter? | |
420 | Ok(is_intra) | |
421 | } | |
422 | fn encode_intra(bw: &mut ByteWriter, cur_frm: &mut NAVideoBuffer<u16>, in_frm: &NAVideoBuffer<u16>, quality: u8) -> EncoderResult<bool> { | |
423 | let (_, fill_threshold) = map_quality(quality); | |
424 | let src = in_frm.get_data(); | |
425 | let sstride = in_frm.get_stride(0); | |
426 | let soff = in_frm.get_offset(0); | |
427 | let (w, h) = in_frm.get_dimensions(0); | |
428 | let dstride = cur_frm.get_stride(0); | |
429 | let doff = cur_frm.get_offset(0); | |
430 | let dst = cur_frm.get_data_mut().unwrap(); | |
431 | for (sstrip, dstrip) in (&src[soff..]).chunks(sstride * 4).take(h / 4).zip((&mut dst[doff..]).chunks_mut(dstride * 4)) { | |
432 | for x in (0..w).step_by(4) { | |
433 | let mut buf = [0; 16]; | |
434 | Self::get_block(&sstrip[x..], sstride, &mut buf); | |
435 | let mut bstate = BlockState::default(); | |
436 | bstate.calc_stats(&buf); | |
437 | ||
438 | let dst = &mut dstrip[x..]; | |
439 | if bstate.fill_dist <= fill_threshold || | |
440 | bstate.fill_dist <= bstate.clr2_dist { | |
441 | bstate.put_fill(dst, dstride); | |
442 | bstate.write_fill(bw)?; | |
443 | } else if bstate.clr8_dist < bstate.clr2_dist { | |
444 | bstate.put_clr8(dst, dstride); | |
445 | bstate.write_clr8(bw)?; | |
446 | } else { | |
447 | bstate.put_clr2(dst, dstride); | |
448 | bstate.write_clr2(bw)?; | |
449 | } | |
450 | } | |
451 | } | |
452 | bw.write_u16le(0)?; | |
453 | Ok(true) | |
454 | } | |
455 | } | |
456 | ||
457 | const RGB555_FORMAT: NAPixelFormaton = NAPixelFormaton { | |
458 | model: ColorModel::RGB(RGBSubmodel::RGB), components: 3, | |
459 | comp_info: [ | |
460 | Some(NAPixelChromaton{ h_ss: 0, v_ss: 0, packed: true, depth: 5, shift: 10, comp_offs: 0, next_elem: 2 }), | |
461 | Some(NAPixelChromaton{ h_ss: 0, v_ss: 0, packed: true, depth: 5, shift: 5, comp_offs: 0, next_elem: 2 }), | |
462 | Some(NAPixelChromaton{ h_ss: 0, v_ss: 0, packed: true, depth: 5, shift: 0, comp_offs: 0, next_elem: 2 }), | |
463 | None, None], | |
464 | elem_size: 2, be: false, alpha: false, palette: false }; | |
465 | ||
466 | impl NAEncoder for MSVideo1Encoder { | |
467 | fn negotiate_format(&self, encinfo: &EncodeParameters) -> EncoderResult<EncodeParameters> { | |
468 | match encinfo.format { | |
469 | NACodecTypeInfo::None => { | |
470 | Ok(EncodeParameters { | |
471 | format: NACodecTypeInfo::Video(NAVideoInfo::new(0, 0, true, RGB555_FORMAT)), | |
472 | ..Default::default() }) | |
473 | }, | |
474 | NACodecTypeInfo::Audio(_) => Err(EncoderError::FormatError), | |
475 | NACodecTypeInfo::Video(vinfo) => { | |
476 | let outinfo = NAVideoInfo::new((vinfo.width + 3) & !3, (vinfo.height + 3) & !3, true, RGB555_FORMAT); | |
477 | let mut ofmt = *encinfo; | |
478 | ofmt.format = NACodecTypeInfo::Video(outinfo); | |
479 | Ok(ofmt) | |
480 | } | |
481 | } | |
482 | } | |
483 | fn init(&mut self, stream_id: u32, encinfo: EncodeParameters) -> EncoderResult<NAStreamRef> { | |
484 | match encinfo.format { | |
485 | NACodecTypeInfo::None => Err(EncoderError::FormatError), | |
486 | NACodecTypeInfo::Audio(_) => Err(EncoderError::FormatError), | |
487 | NACodecTypeInfo::Video(vinfo) => { | |
488 | if vinfo.format != RGB555_FORMAT { | |
489 | return Err(EncoderError::FormatError); | |
490 | } | |
491 | if ((vinfo.width | vinfo.height) & 3) != 0 { | |
492 | return Err(EncoderError::FormatError); | |
493 | } | |
494 | ||
495 | let out_info = NAVideoInfo::new(vinfo.width, vinfo.height, true, RGB555_FORMAT); | |
496 | let info = NACodecInfo::new("msvideo1", NACodecTypeInfo::Video(out_info), None); | |
497 | let mut stream = NAStream::new(StreamType::Video, stream_id, info, encinfo.tb_num, encinfo.tb_den, 0); | |
498 | stream.set_num(stream_id as usize); | |
499 | let stream = stream.into_ref(); | |
500 | if self.pool.prealloc_video(out_info, 2).is_err() { | |
501 | return Err(EncoderError::AllocError); | |
502 | } | |
503 | ||
504 | self.stream = Some(stream.clone()); | |
505 | self.quality = encinfo.quality; | |
506 | ||
507 | Ok(stream) | |
508 | }, | |
509 | } | |
510 | } | |
511 | fn encode(&mut self, frm: &NAFrame) -> EncoderResult<()> { | |
512 | let buf = frm.get_buffer(); | |
513 | if let Some(ref vbuf) = buf.get_vbuf16() { | |
514 | let mut cur_frm = self.pool.get_free().unwrap(); | |
515 | let mut dbuf = Vec::with_capacity(4); | |
516 | let mut gw = GrowableMemoryWriter::new_write(&mut dbuf); | |
517 | let mut bw = ByteWriter::new(&mut gw); | |
518 | if self.frmcount == 0 { | |
519 | self.lastfrm = None; | |
520 | } | |
521 | let is_intra = if let Some(ref prev_buf) = self.lastfrm { | |
522 | Self::encode_inter(&mut bw, &mut cur_frm, vbuf, prev_buf, self.quality)? | |
523 | } else { | |
524 | Self::encode_intra(&mut bw, &mut cur_frm, vbuf, self.quality)? | |
525 | }; | |
526 | self.lastfrm = Some(cur_frm); | |
527 | self.pkt = Some(NAPacket::new(self.stream.clone().unwrap(), frm.ts, is_intra, dbuf)); | |
528 | self.frmcount += 1; | |
529 | if self.frmcount == self.key_int { | |
530 | self.frmcount = 0; | |
531 | } | |
532 | Ok(()) | |
533 | } else { | |
534 | Err(EncoderError::InvalidParameters) | |
535 | } | |
536 | } | |
537 | fn get_packet(&mut self) -> EncoderResult<Option<NAPacket>> { | |
538 | let mut npkt = None; | |
539 | std::mem::swap(&mut self.pkt, &mut npkt); | |
540 | Ok(npkt) | |
541 | } | |
542 | fn flush(&mut self) -> EncoderResult<()> { | |
543 | self.frmcount = 0; | |
544 | Ok(()) | |
545 | } | |
546 | } | |
547 | ||
548 | const ENCODER_OPTS: &[NAOptionDefinition] = &[ | |
549 | NAOptionDefinition { | |
550 | name: KEYFRAME_OPTION, description: KEYFRAME_OPTION_DESC, | |
551 | opt_type: NAOptionDefinitionType::Int(Some(0), Some(128)) }, | |
552 | ]; | |
553 | ||
554 | impl NAOptionHandler for MSVideo1Encoder { | |
555 | fn get_supported_options(&self) -> &[NAOptionDefinition] { ENCODER_OPTS } | |
556 | fn set_options(&mut self, options: &[NAOption]) { | |
557 | for option in options.iter() { | |
558 | for opt_def in ENCODER_OPTS.iter() { | |
559 | if opt_def.check(option).is_ok() { | |
560 | match option.name { | |
561 | KEYFRAME_OPTION => { | |
562 | if let NAValue::Int(intval) = option.value { | |
563 | self.key_int = intval as u8; | |
564 | } | |
565 | }, | |
566 | _ => {}, | |
567 | }; | |
568 | } | |
569 | } | |
570 | } | |
571 | } | |
572 | fn query_option_value(&self, name: &str) -> Option<NAValue> { | |
573 | match name { | |
574 | KEYFRAME_OPTION => Some(NAValue::Int(i64::from(self.key_int))), | |
575 | _ => None, | |
576 | } | |
577 | } | |
578 | } | |
579 | ||
580 | pub fn get_encoder() -> Box<dyn NAEncoder + Send> { | |
581 | Box::new(MSVideo1Encoder::new()) | |
582 | } | |
583 | ||
584 | #[cfg(test)] | |
585 | mod test { | |
586 | use nihav_core::codecs::*; | |
587 | use nihav_core::demuxers::*; | |
588 | use nihav_core::muxers::*; | |
589 | use crate::*; | |
590 | use nihav_commonfmt::*; | |
591 | use nihav_codec_support::test::enc_video::*; | |
592 | use super::RGB555_FORMAT; | |
593 | ||
594 | #[test] | |
595 | fn test_ms_video1_encoder() { | |
596 | let mut dmx_reg = RegisteredDemuxers::new(); | |
597 | generic_register_all_demuxers(&mut dmx_reg); | |
598 | let mut dec_reg = RegisteredDecoders::new(); | |
599 | generic_register_all_decoders(&mut dec_reg); | |
600 | ms_register_all_decoders(&mut dec_reg); | |
601 | let mut mux_reg = RegisteredMuxers::new(); | |
602 | generic_register_all_muxers(&mut mux_reg); | |
603 | let mut enc_reg = RegisteredEncoders::new(); | |
604 | ms_register_all_encoders(&mut enc_reg); | |
605 | ||
606 | // sample: https://samples.mplayerhq.hu/V-codecs/UCOD/TalkingHead_352x288.avi | |
607 | let dec_config = DecoderTestParams { | |
608 | demuxer: "avi", | |
609 | in_name: "assets/Misc/TalkingHead_352x288.avi", | |
610 | stream_type: StreamType::Video, | |
611 | limit: Some(3), | |
612 | dmx_reg, dec_reg, | |
613 | }; | |
614 | let enc_config = EncoderTestParams { | |
615 | muxer: "avi", | |
616 | enc_name: "msvideo1", | |
617 | out_name: "msvideo1.avi", | |
618 | mux_reg, enc_reg, | |
619 | }; | |
620 | let dst_vinfo = NAVideoInfo { | |
621 | width: 0, | |
622 | height: 0, | |
623 | format: RGB555_FORMAT, | |
624 | flipped: true, | |
625 | bits: 16, | |
626 | }; | |
627 | let enc_params = EncodeParameters { | |
628 | format: NACodecTypeInfo::Video(dst_vinfo), | |
629 | quality: 80, | |
630 | bitrate: 0, | |
631 | tb_num: 0, | |
632 | tb_den: 0, | |
633 | flags: 0, | |
634 | }; | |
635 | //test_encoding_to_file(&dec_config, &enc_config, enc_params, &[]); | |
636 | test_encoding_md5(&dec_config, &enc_config, enc_params, &[], | |
637 | &[0x35d95583, 0xb7431be7, 0xad490677, 0x968a1d84]); | |
638 | } | |
639 | } |