| 1 | use nihav_core::codecs::*; |
| 2 | use nihav_core::io::byteio::*; |
| 3 | use nihav_codec_support::vq::*; |
| 4 | |
| 5 | #[derive(Default,Clone,Copy,PartialEq)] |
| 6 | struct Pixel16(u16); |
| 7 | |
| 8 | impl Pixel16 { |
| 9 | fn unpack(self) -> (u16, u16, u16) { |
| 10 | ((self.0 >> 10) & 0x1F, (self.0 >> 5) & 0x1F, self.0 & 0x1F) |
| 11 | } |
| 12 | fn pack(r: u16, g: u16, b: u16) -> Self { |
| 13 | Pixel16{ 0: (r << 10) | (g << 5) | b } |
| 14 | } |
| 15 | fn invalid() -> Self { Self(0x8000) } |
| 16 | fn is_invalid(self) -> bool { self == Self::invalid() } |
| 17 | } |
| 18 | impl VQElement for Pixel16 { |
| 19 | fn dist(&self, rval: Self) -> u32 { |
| 20 | let (r0, g0, b0) = self.unpack(); |
| 21 | let (r1, g1, b1) = rval.unpack(); |
| 22 | let rd = i32::from(r0) - i32::from(r1); |
| 23 | let gd = i32::from(g0) - i32::from(g1); |
| 24 | let bd = i32::from(b0) - i32::from(b1); |
| 25 | (rd * rd + gd * gd + bd * bd) as u32 |
| 26 | } |
| 27 | fn min_cw() -> Self { Pixel16(0x0000) } |
| 28 | fn max_cw() -> Self { Pixel16(0x7FFF) } |
| 29 | fn min(&self, rval: Self) -> Self { |
| 30 | let (r0, g0, b0) = self.unpack(); |
| 31 | let (r1, g1, b1) = rval.unpack(); |
| 32 | Self::pack(r0.min(r1), g0.min(g1), b0.min(b1)) |
| 33 | } |
| 34 | fn max(&self, rval: Self) -> Self { |
| 35 | let (r0, g0, b0) = self.unpack(); |
| 36 | let (r1, g1, b1) = rval.unpack(); |
| 37 | Self::pack(r0.max(r1), g0.max(g1), b0.max(b1)) |
| 38 | } |
| 39 | fn num_components() -> usize { 3 } |
| 40 | fn sort_by_component(arr: &mut [Self], component: usize) { |
| 41 | let mut counts = [0; 32]; |
| 42 | for pix in arr.iter() { |
| 43 | let (r, g, b) = pix.unpack(); |
| 44 | let idx = match component { |
| 45 | 0 => r, |
| 46 | 1 => g, |
| 47 | _ => b, |
| 48 | } as usize; |
| 49 | counts[idx] += 1; |
| 50 | } |
| 51 | let mut offs = [0; 32]; |
| 52 | for i in 0..31 { |
| 53 | offs[i + 1] = offs[i] + counts[i]; |
| 54 | } |
| 55 | let mut dst = [Pixel16(0); 16]; |
| 56 | assert!(dst.len() >= arr.len()); |
| 57 | for pix in arr.iter() { |
| 58 | let (r, g, b) = pix.unpack(); |
| 59 | let idx = match component { |
| 60 | 0 => r, |
| 61 | 1 => g, |
| 62 | _ => b, |
| 63 | } as usize; |
| 64 | dst[offs[idx]] = *pix; |
| 65 | offs[idx] += 1; |
| 66 | } |
| 67 | let len = arr.len(); |
| 68 | arr.copy_from_slice(&dst[..len]); |
| 69 | } |
| 70 | fn max_dist_component(min: &Self, max: &Self) -> usize { |
| 71 | let (r0, g0, b0) = max.unpack(); |
| 72 | let (r1, g1, b1) = min.unpack(); |
| 73 | let rd = u32::from(r0) - u32::from(r1); |
| 74 | let gd = u32::from(g0) - u32::from(g1); |
| 75 | let bd = u32::from(b0) - u32::from(b1); |
| 76 | if rd > gd && rd >= bd { |
| 77 | 0 |
| 78 | } else if bd > rd && bd > gd { |
| 79 | 2 |
| 80 | } else { |
| 81 | 1 |
| 82 | } |
| 83 | } |
| 84 | } |
| 85 | |
| 86 | struct Pixel16Sum { |
| 87 | rsum: u16, |
| 88 | gsum: u16, |
| 89 | bsum: u16, |
| 90 | count: u16, |
| 91 | } |
| 92 | |
| 93 | impl VQElementSum<Pixel16> for Pixel16Sum { |
| 94 | fn zero() -> Self { Pixel16Sum { rsum: 0, gsum: 0, bsum: 0, count: 0 } } |
| 95 | fn add(&mut self, rval: Pixel16, count: u64) { |
| 96 | let (r, g, b) = rval.unpack(); |
| 97 | let count = count as u16; |
| 98 | self.rsum += r * count; |
| 99 | self.gsum += g * count; |
| 100 | self.bsum += b * count; |
| 101 | self.count += count; |
| 102 | } |
| 103 | fn get_centroid(&self) -> Pixel16 { |
| 104 | if self.count != 0 { |
| 105 | let r = (self.rsum + self.count / 2) / self.count; |
| 106 | let g = (self.gsum + self.count / 2) / self.count; |
| 107 | let b = (self.bsum + self.count / 2) / self.count; |
| 108 | Pixel16::pack(r, g, b) |
| 109 | } else { |
| 110 | Pixel16(0x0000) |
| 111 | } |
| 112 | } |
| 113 | } |
| 114 | |
| 115 | #[derive(Default)] |
| 116 | struct BlockState { |
| 117 | fill_dist: u32, |
| 118 | fill_val: Pixel16, |
| 119 | clr2_dist: u32, |
| 120 | clr2_flags: u16, |
| 121 | clr2: [Pixel16; 2], |
| 122 | clr8_dist: u32, |
| 123 | clr8_flags: u16, |
| 124 | clr8: [[Pixel16; 2]; 4], |
| 125 | } |
| 126 | |
| 127 | impl BlockState { |
| 128 | fn calc_clrs(buf: &[Pixel16; 16]) -> Option<(Pixel16, Pixel16)> { |
| 129 | let clr0 = buf[0]; |
| 130 | let mut clr1 = Pixel16::invalid(); |
| 131 | for &pix in buf[1..].iter() { |
| 132 | if pix != clr0 && pix != clr1 { |
| 133 | if clr1.is_invalid() { |
| 134 | clr1 = pix; |
| 135 | } else { |
| 136 | return None; |
| 137 | } |
| 138 | } |
| 139 | } |
| 140 | Some((clr0, clr1)) |
| 141 | } |
| 142 | fn calc_stats(&mut self, buf: &[Pixel16; 16]) { |
| 143 | let mut filled = false; |
| 144 | let mut two_clr = false; |
| 145 | if let Some((clr0, clr1)) = Self::calc_clrs(buf) { |
| 146 | self.clr2[0] = clr0; |
| 147 | self.clr2[1] = if !clr1.is_invalid() { clr1 } else { clr0 }; |
| 148 | if clr0 == clr1 { |
| 149 | self.fill_val = Pixel16 { 0: buf[0].0 & !0x400 }; |
| 150 | filled = true; |
| 151 | } |
| 152 | two_clr = true; |
| 153 | } |
| 154 | self.fill_dist = 0; |
| 155 | if !filled { |
| 156 | let mut avg = Pixel16Sum::zero(); |
| 157 | for pix in buf.iter() { |
| 158 | avg.add(*pix, 1); |
| 159 | } |
| 160 | self.fill_val = Pixel16 { 0: avg.get_centroid().0 & !0x400 }; |
| 161 | for pix in buf.iter() { |
| 162 | self.fill_dist += pix.dist(self.fill_val); |
| 163 | } |
| 164 | } |
| 165 | if self.fill_dist == 0 { |
| 166 | self.clr2_dist = std::u32::MAX; |
| 167 | self.clr8_dist = std::u32::MAX; |
| 168 | return; |
| 169 | } |
| 170 | |
| 171 | self.clr2_flags = 0u16; |
| 172 | if two_clr { |
| 173 | let mut mask = 1; |
| 174 | self.clr2_dist = 0; |
| 175 | for &pix in buf.iter() { |
| 176 | if pix == self.clr2[0] { |
| 177 | self.clr2_flags |= mask; |
| 178 | } else { |
| 179 | } |
| 180 | mask <<= 1; |
| 181 | } |
| 182 | if (self.clr2_flags & 0x8000) != 0 { |
| 183 | self.clr2_flags = !self.clr2_flags; |
| 184 | self.clr2.swap(0, 1); |
| 185 | } |
| 186 | } else if quantise_median_cut::<Pixel16, Pixel16Sum>(buf, &mut self.clr2) == 2 { |
| 187 | let mut mask = 1; |
| 188 | self.clr2_dist = 0; |
| 189 | for pix in buf.iter() { |
| 190 | let dist0 = pix.dist(self.clr2[0]); |
| 191 | let dist1 = pix.dist(self.clr2[1]); |
| 192 | if dist0 < dist1 { |
| 193 | self.clr2_flags |= mask; |
| 194 | self.clr2_dist += dist0; |
| 195 | } else { |
| 196 | self.clr2_dist += dist1; |
| 197 | } |
| 198 | mask <<= 1; |
| 199 | } |
| 200 | if (self.clr2_flags & 0x8000) != 0 { |
| 201 | self.clr2_flags = !self.clr2_flags; |
| 202 | self.clr2.swap(0, 1); |
| 203 | } |
| 204 | } else { |
| 205 | self.clr2_dist = self.fill_dist; |
| 206 | self.clr2 = [self.fill_val; 2]; |
| 207 | } |
| 208 | if self.clr2_dist == 0 { |
| 209 | self.clr8_dist = std::u32::MAX; |
| 210 | return; |
| 211 | } |
| 212 | |
| 213 | self.clr8 = [[Pixel16 { 0: 0}; 2]; 4]; |
| 214 | self.clr8_flags = 0; |
| 215 | self.clr8_dist = 0; |
| 216 | let mut mask = 1; |
| 217 | for i in 0..4 { |
| 218 | let off = (i & 1) * 2 + (i & 2) * 4; |
| 219 | let src2 = [buf[off], buf[off + 1], buf[off + 4], buf[off + 5]]; |
| 220 | let nc = quantise_median_cut::<Pixel16, Pixel16Sum>(&src2, &mut self.clr8[i]); |
| 221 | if nc < 2 { |
| 222 | self.clr8[i][1] = self.clr8[i][0]; |
| 223 | } |
| 224 | for j in 0..4 { |
| 225 | let dist0 = src2[j].dist(self.clr8[i][0]); |
| 226 | let dist1 = src2[j].dist(self.clr8[i][1]); |
| 227 | if dist0 < dist1 { |
| 228 | self.clr8_flags |= mask; |
| 229 | self.clr8_dist += dist0; |
| 230 | } else { |
| 231 | self.clr8_dist += dist1; |
| 232 | } |
| 233 | mask <<= 1; |
| 234 | } |
| 235 | } |
| 236 | if (self.clr8_flags & 0x8000) != 0 { |
| 237 | self.clr8_flags ^= 0xF000; |
| 238 | self.clr8[3].swap(0, 1); |
| 239 | } |
| 240 | } |
| 241 | fn put_fill(&self, dst: &mut [u16], dstride: usize) { |
| 242 | for line in dst.chunks_mut(dstride) { |
| 243 | for i in 0..4 { |
| 244 | line[i] = self.fill_val.0; |
| 245 | } |
| 246 | } |
| 247 | } |
| 248 | fn put_clr2(&self, dst: &mut [u16], dstride: usize) { |
| 249 | for j in 0..4 { |
| 250 | for i in 0..4 { |
| 251 | if (self.clr2_flags & (1 << (i + j * 4))) == 0 { |
| 252 | dst[i + j * dstride] = self.clr2[0].0; |
| 253 | } else { |
| 254 | dst[i + j * dstride] = self.clr2[1].0; |
| 255 | } |
| 256 | } |
| 257 | } |
| 258 | } |
| 259 | fn put_clr8(&self, dst: &mut [u16], dstride: usize) { |
| 260 | for i in 0..4 { |
| 261 | let off = (i & 1) * 2 + (i & 2) * dstride; |
| 262 | let cur_flg = (self.clr8_flags >> (i * 4)) & 0xF; |
| 263 | dst[off] = self.clr8[i][( !cur_flg & 1) as usize].0; |
| 264 | dst[off + 1] = self.clr8[i][((!cur_flg >> 1) & 1) as usize].0; |
| 265 | dst[off + dstride] = self.clr8[i][((!cur_flg >> 2) & 1) as usize].0; |
| 266 | dst[off + 1 + dstride] = self.clr8[i][((!cur_flg >> 3) & 1) as usize].0; |
| 267 | } |
| 268 | } |
| 269 | fn write_fill(&self, bw: &mut ByteWriter) -> EncoderResult<()> { |
| 270 | bw.write_u16le(self.fill_val.0 | 0x8000)?; |
| 271 | Ok(()) |
| 272 | } |
| 273 | fn write_clr2(&self, bw: &mut ByteWriter) -> EncoderResult<()> { |
| 274 | bw.write_u16le(self.clr2_flags)?; |
| 275 | bw.write_u16le(self.clr2[0].0)?; |
| 276 | bw.write_u16le(self.clr2[1].0)?; |
| 277 | Ok(()) |
| 278 | } |
| 279 | fn write_clr8(&self, bw: &mut ByteWriter) -> EncoderResult<()> { |
| 280 | bw.write_u16le(self.clr8_flags)?; |
| 281 | bw.write_u16le(self.clr8[0][0].0 | 0x8000)?; |
| 282 | bw.write_u16le(self.clr8[0][1].0)?; |
| 283 | bw.write_u16le(self.clr8[1][0].0)?; |
| 284 | bw.write_u16le(self.clr8[1][1].0)?; |
| 285 | bw.write_u16le(self.clr8[2][0].0)?; |
| 286 | bw.write_u16le(self.clr8[2][1].0)?; |
| 287 | bw.write_u16le(self.clr8[3][0].0)?; |
| 288 | bw.write_u16le(self.clr8[3][1].0)?; |
| 289 | Ok(()) |
| 290 | } |
| 291 | } |
| 292 | |
| 293 | struct MSVideo1Encoder { |
| 294 | stream: Option<NAStreamRef>, |
| 295 | pkt: Option<NAPacket>, |
| 296 | pool: NAVideoBufferPool<u16>, |
| 297 | lastfrm: Option<NAVideoBufferRef<u16>>, |
| 298 | quality: u8, |
| 299 | frmcount: u8, |
| 300 | key_int: u8, |
| 301 | } |
| 302 | |
| 303 | impl MSVideo1Encoder { |
| 304 | fn new() -> Self { |
| 305 | Self { |
| 306 | stream: None, |
| 307 | pkt: None, |
| 308 | pool: NAVideoBufferPool::new(2), |
| 309 | lastfrm: None, |
| 310 | quality: 0, |
| 311 | frmcount: 0, |
| 312 | key_int: 25, |
| 313 | } |
| 314 | } |
| 315 | fn get_block(src: &[u16], sstride: usize, buf: &mut [Pixel16; 16]) { |
| 316 | for (line, dst) in src.chunks(sstride).zip(buf.chunks_mut(4)) { |
| 317 | for i in 0..4 { |
| 318 | dst[i] = Pixel16 { 0: line[i] }; |
| 319 | } |
| 320 | } |
| 321 | } |
| 322 | fn write_skips(bw: &mut ByteWriter, skips: usize) -> EncoderResult<()> { |
| 323 | bw.write_u16le((skips as u16) | 0x8400)?; |
| 324 | Ok(()) |
| 325 | } |
| 326 | fn encode_inter(bw: &mut ByteWriter, cur_frm: &mut NAVideoBuffer<u16>, in_frm: &NAVideoBuffer<u16>, prev_frm: &NAVideoBuffer<u16>, _quality: u8) -> EncoderResult<bool> { |
| 327 | let mut is_intra = true; |
| 328 | let src = in_frm.get_data(); |
| 329 | let sstride = in_frm.get_stride(0); |
| 330 | let soff = in_frm.get_offset(0); |
| 331 | let (w, h) = in_frm.get_dimensions(0); |
| 332 | let rsrc = prev_frm.get_data(); |
| 333 | let rstride = prev_frm.get_stride(0); |
| 334 | let roff = prev_frm.get_offset(0); |
| 335 | let dstride = cur_frm.get_stride(0); |
| 336 | let doff = cur_frm.get_offset(0); |
| 337 | let dst = cur_frm.get_data_mut().unwrap(); |
| 338 | let mut skip_run = 0; |
| 339 | 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)) { |
| 340 | for x in (0..w).step_by(4) { |
| 341 | let mut buf = [Pixel16::min_cw(); 16]; |
| 342 | let mut refbuf = [Pixel16::min_cw(); 16]; |
| 343 | Self::get_block(&sstrip[x..], sstride, &mut buf); |
| 344 | Self::get_block(&rstrip[x..], rstride, &mut refbuf); |
| 345 | |
| 346 | let mut skip_dist = 0; |
| 347 | for (pix, rpix) in buf.iter().zip(refbuf.iter()) { |
| 348 | skip_dist += pix.dist(*rpix); |
| 349 | } |
| 350 | if skip_dist == 0 { |
| 351 | skip_run += 1; |
| 352 | is_intra = false; |
| 353 | if skip_run == 1023 { |
| 354 | Self::write_skips(bw, skip_run)?; |
| 355 | skip_run = 0; |
| 356 | } |
| 357 | continue; |
| 358 | } |
| 359 | |
| 360 | let mut bstate = BlockState::default(); |
| 361 | bstate.calc_stats(&buf); |
| 362 | |
| 363 | let dst = &mut dstrip[x..]; |
| 364 | if skip_dist <= bstate.fill_dist { |
| 365 | skip_run += 1; |
| 366 | is_intra = false; |
| 367 | if skip_run == 1023 { |
| 368 | Self::write_skips(bw, skip_run)?; |
| 369 | skip_run = 0; |
| 370 | } |
| 371 | } else if bstate.fill_dist <= bstate.clr2_dist { |
| 372 | bstate.put_fill(dst, dstride); |
| 373 | if skip_run != 0 { |
| 374 | Self::write_skips(bw, skip_run)?; |
| 375 | skip_run = 0; |
| 376 | } |
| 377 | bstate.write_fill(bw)?; |
| 378 | } else if bstate.clr8_dist < bstate.clr2_dist { |
| 379 | bstate.put_clr8(dst, dstride); |
| 380 | if skip_run != 0 { |
| 381 | Self::write_skips(bw, skip_run)?; |
| 382 | skip_run = 0; |
| 383 | } |
| 384 | bstate.write_clr8(bw)?; |
| 385 | } else { |
| 386 | bstate.put_clr2(dst, dstride); |
| 387 | if skip_run != 0 { |
| 388 | Self::write_skips(bw, skip_run)?; |
| 389 | skip_run = 0; |
| 390 | } |
| 391 | bstate.write_clr2(bw)?; |
| 392 | } |
| 393 | } |
| 394 | } |
| 395 | if skip_run != 0 { |
| 396 | Self::write_skips(bw, skip_run)?; |
| 397 | } |
| 398 | if is_intra { |
| 399 | bw.write_u16le(0)?; |
| 400 | } //xxx: something for inter? |
| 401 | Ok(is_intra) |
| 402 | } |
| 403 | fn encode_intra(bw: &mut ByteWriter, cur_frm: &mut NAVideoBuffer<u16>, in_frm: &NAVideoBuffer<u16>, _quality: u8) -> EncoderResult<bool> { |
| 404 | let src = in_frm.get_data(); |
| 405 | let sstride = in_frm.get_stride(0); |
| 406 | let soff = in_frm.get_offset(0); |
| 407 | let (w, h) = in_frm.get_dimensions(0); |
| 408 | let dstride = cur_frm.get_stride(0); |
| 409 | let doff = cur_frm.get_offset(0); |
| 410 | let dst = cur_frm.get_data_mut().unwrap(); |
| 411 | for (sstrip, dstrip) in (&src[soff..]).chunks(sstride * 4).take(h / 4).zip((&mut dst[doff..]).chunks_mut(dstride * 4)) { |
| 412 | for x in (0..w).step_by(4) { |
| 413 | let mut buf = [Pixel16::min_cw(); 16]; |
| 414 | Self::get_block(&sstrip[x..], sstride, &mut buf); |
| 415 | let mut bstate = BlockState::default(); |
| 416 | bstate.calc_stats(&buf); |
| 417 | |
| 418 | let dst = &mut dstrip[x..]; |
| 419 | if bstate.fill_dist <= bstate.clr2_dist { |
| 420 | bstate.put_fill(dst, dstride); |
| 421 | bstate.write_fill(bw)?; |
| 422 | } else if bstate.clr8_dist < bstate.clr2_dist { |
| 423 | bstate.put_clr8(dst, dstride); |
| 424 | bstate.write_clr8(bw)?; |
| 425 | } else { |
| 426 | bstate.put_clr2(dst, dstride); |
| 427 | bstate.write_clr2(bw)?; |
| 428 | } |
| 429 | } |
| 430 | } |
| 431 | bw.write_u16le(0)?; |
| 432 | Ok(true) |
| 433 | } |
| 434 | } |
| 435 | |
| 436 | const RGB555_FORMAT: NAPixelFormaton = NAPixelFormaton { |
| 437 | model: ColorModel::RGB(RGBSubmodel::RGB), components: 3, |
| 438 | comp_info: [ |
| 439 | Some(NAPixelChromaton{ h_ss: 0, v_ss: 0, packed: true, depth: 5, shift: 10, comp_offs: 0, next_elem: 2 }), |
| 440 | Some(NAPixelChromaton{ h_ss: 0, v_ss: 0, packed: true, depth: 5, shift: 5, comp_offs: 0, next_elem: 2 }), |
| 441 | Some(NAPixelChromaton{ h_ss: 0, v_ss: 0, packed: true, depth: 5, shift: 0, comp_offs: 0, next_elem: 2 }), |
| 442 | None, None], |
| 443 | elem_size: 2, be: false, alpha: false, palette: false }; |
| 444 | |
| 445 | impl NAEncoder for MSVideo1Encoder { |
| 446 | fn negotiate_format(&self, encinfo: &EncodeParameters) -> EncoderResult<EncodeParameters> { |
| 447 | match encinfo.format { |
| 448 | NACodecTypeInfo::None => { |
| 449 | let mut ofmt = EncodeParameters::default(); |
| 450 | ofmt.format = NACodecTypeInfo::Video(NAVideoInfo::new(0, 0, true, RGB555_FORMAT)); |
| 451 | Ok(ofmt) |
| 452 | }, |
| 453 | NACodecTypeInfo::Audio(_) => Err(EncoderError::FormatError), |
| 454 | NACodecTypeInfo::Video(vinfo) => { |
| 455 | let outinfo = NAVideoInfo::new((vinfo.width + 3) & !3, (vinfo.height + 3) & !3, true, RGB555_FORMAT); |
| 456 | let mut ofmt = *encinfo; |
| 457 | ofmt.format = NACodecTypeInfo::Video(outinfo); |
| 458 | Ok(ofmt) |
| 459 | } |
| 460 | } |
| 461 | } |
| 462 | fn init(&mut self, stream_id: u32, encinfo: EncodeParameters) -> EncoderResult<NAStreamRef> { |
| 463 | match encinfo.format { |
| 464 | NACodecTypeInfo::None => Err(EncoderError::FormatError), |
| 465 | NACodecTypeInfo::Audio(_) => Err(EncoderError::FormatError), |
| 466 | NACodecTypeInfo::Video(vinfo) => { |
| 467 | if vinfo.format != RGB555_FORMAT { |
| 468 | return Err(EncoderError::FormatError); |
| 469 | } |
| 470 | if ((vinfo.width | vinfo.height) & 3) != 0 { |
| 471 | return Err(EncoderError::FormatError); |
| 472 | } |
| 473 | |
| 474 | let out_info = NAVideoInfo::new(vinfo.width, vinfo.height, true, RGB555_FORMAT); |
| 475 | let info = NACodecInfo::new("msvideo1", NACodecTypeInfo::Video(out_info), None); |
| 476 | let mut stream = NAStream::new(StreamType::Video, stream_id, info, encinfo.tb_num, encinfo.tb_den, 0); |
| 477 | stream.set_num(stream_id as usize); |
| 478 | let stream = stream.into_ref(); |
| 479 | if self.pool.prealloc_video(out_info, 2).is_err() { |
| 480 | return Err(EncoderError::AllocError); |
| 481 | } |
| 482 | |
| 483 | self.stream = Some(stream.clone()); |
| 484 | self.quality = encinfo.quality; |
| 485 | |
| 486 | Ok(stream) |
| 487 | }, |
| 488 | } |
| 489 | } |
| 490 | fn encode(&mut self, frm: &NAFrame) -> EncoderResult<()> { |
| 491 | let buf = frm.get_buffer(); |
| 492 | if let Some(ref vbuf) = buf.get_vbuf16() { |
| 493 | let mut cur_frm = self.pool.get_free().unwrap(); |
| 494 | let mut dbuf = Vec::with_capacity(4); |
| 495 | let mut gw = GrowableMemoryWriter::new_write(&mut dbuf); |
| 496 | let mut bw = ByteWriter::new(&mut gw); |
| 497 | if self.frmcount == 0 { |
| 498 | self.lastfrm = None; |
| 499 | } |
| 500 | let is_intra = if let Some(ref prev_buf) = self.lastfrm { |
| 501 | Self::encode_inter(&mut bw, &mut cur_frm, vbuf, prev_buf, self.quality)? |
| 502 | } else { |
| 503 | Self::encode_intra(&mut bw, &mut cur_frm, vbuf, self.quality)? |
| 504 | }; |
| 505 | self.lastfrm = Some(cur_frm); |
| 506 | self.pkt = Some(NAPacket::new(self.stream.clone().unwrap(), frm.ts, is_intra, dbuf)); |
| 507 | self.frmcount += 1; |
| 508 | if self.frmcount == self.key_int { |
| 509 | self.frmcount = 0; |
| 510 | } |
| 511 | Ok(()) |
| 512 | } else { |
| 513 | Err(EncoderError::InvalidParameters) |
| 514 | } |
| 515 | } |
| 516 | fn get_packet(&mut self) -> EncoderResult<Option<NAPacket>> { |
| 517 | let mut npkt = None; |
| 518 | std::mem::swap(&mut self.pkt, &mut npkt); |
| 519 | Ok(npkt) |
| 520 | } |
| 521 | fn flush(&mut self) -> EncoderResult<()> { |
| 522 | self.frmcount = 0; |
| 523 | Ok(()) |
| 524 | } |
| 525 | } |
| 526 | |
| 527 | const ENCODER_OPTS: &[NAOptionDefinition] = &[ |
| 528 | NAOptionDefinition { |
| 529 | name: KEYFRAME_OPTION, description: KEYFRAME_OPTION_DESC, |
| 530 | opt_type: NAOptionDefinitionType::Int(Some(0), Some(128)) }, |
| 531 | ]; |
| 532 | |
| 533 | impl NAOptionHandler for MSVideo1Encoder { |
| 534 | fn get_supported_options(&self) -> &[NAOptionDefinition] { ENCODER_OPTS } |
| 535 | fn set_options(&mut self, options: &[NAOption]) { |
| 536 | for option in options.iter() { |
| 537 | for opt_def in ENCODER_OPTS.iter() { |
| 538 | if opt_def.check(option).is_ok() { |
| 539 | match option.name { |
| 540 | KEYFRAME_OPTION => { |
| 541 | if let NAValue::Int(intval) = option.value { |
| 542 | self.key_int = intval as u8; |
| 543 | } |
| 544 | }, |
| 545 | _ => {}, |
| 546 | }; |
| 547 | } |
| 548 | } |
| 549 | } |
| 550 | } |
| 551 | fn query_option_value(&self, name: &str) -> Option<NAValue> { |
| 552 | match name { |
| 553 | KEYFRAME_OPTION => Some(NAValue::Int(i64::from(self.key_int))), |
| 554 | _ => None, |
| 555 | } |
| 556 | } |
| 557 | } |
| 558 | |
| 559 | pub fn get_encoder() -> Box<dyn NAEncoder + Send> { |
| 560 | Box::new(MSVideo1Encoder::new()) |
| 561 | } |
| 562 | |
| 563 | #[cfg(test)] |
| 564 | mod test { |
| 565 | use nihav_core::codecs::*; |
| 566 | use nihav_core::demuxers::*; |
| 567 | use nihav_core::muxers::*; |
| 568 | use crate::*; |
| 569 | use nihav_commonfmt::*; |
| 570 | use nihav_codec_support::test::enc_video::*; |
| 571 | use super::RGB555_FORMAT; |
| 572 | |
| 573 | #[test] |
| 574 | fn test_ms_video1_encoder() { |
| 575 | let mut dmx_reg = RegisteredDemuxers::new(); |
| 576 | generic_register_all_demuxers(&mut dmx_reg); |
| 577 | let mut dec_reg = RegisteredDecoders::new(); |
| 578 | generic_register_all_decoders(&mut dec_reg); |
| 579 | ms_register_all_decoders(&mut dec_reg); |
| 580 | let mut mux_reg = RegisteredMuxers::new(); |
| 581 | generic_register_all_muxers(&mut mux_reg); |
| 582 | let mut enc_reg = RegisteredEncoders::new(); |
| 583 | ms_register_all_encoders(&mut enc_reg); |
| 584 | |
| 585 | // sample: https://samples.mplayerhq.hu/V-codecs/UCOD/TalkingHead_352x288.avi |
| 586 | let dec_config = DecoderTestParams { |
| 587 | demuxer: "avi", |
| 588 | in_name: "assets/Misc/TalkingHead_352x288.avi", |
| 589 | stream_type: StreamType::Video, |
| 590 | limit: Some(3), |
| 591 | dmx_reg, dec_reg, |
| 592 | }; |
| 593 | let enc_config = EncoderTestParams { |
| 594 | muxer: "avi", |
| 595 | enc_name: "msvideo1", |
| 596 | out_name: "msvideo1.avi", |
| 597 | mux_reg, enc_reg, |
| 598 | }; |
| 599 | let dst_vinfo = NAVideoInfo { |
| 600 | width: 0, |
| 601 | height: 0, |
| 602 | format: RGB555_FORMAT, |
| 603 | flipped: true, |
| 604 | bits: 16, |
| 605 | }; |
| 606 | let enc_params = EncodeParameters { |
| 607 | format: NACodecTypeInfo::Video(dst_vinfo), |
| 608 | quality: 0, |
| 609 | bitrate: 0, |
| 610 | tb_num: 0, |
| 611 | tb_den: 0, |
| 612 | flags: 0, |
| 613 | }; |
| 614 | //test_encoding_to_file(&dec_config, &enc_config, enc_params, &[]); |
| 615 | test_encoding_md5(&dec_config, &enc_config, enc_params, &[], |
| 616 | &[0x6921e67e, 0x4f2ada95, 0x009ffc62, 0xd4bfab6a]); |
| 617 | } |
| 618 | } |