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2f9923e6 KS |
1 | use nihav_core::frame::*; |
2 | use nihav_codec_support::codecs::MV; | |
3 | use nihav_codec_support::codecs::blockdsp::*; | |
4 | ||
5 | #[cfg(not(debug_assertions))] | |
6 | mod release; | |
7 | #[cfg(not(debug_assertions))] | |
8 | use release::*; | |
9 | #[cfg(debug_assertions)] | |
10 | mod debug; | |
11 | #[cfg(debug_assertions)] | |
12 | use debug::*; | |
13 | ||
76431444 KS |
14 | type MCFunc = fn (dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, h: usize); |
15 | ||
2f9923e6 KS |
16 | fn clip_u8(val: i16) -> u8 { val.max(0).min(255) as u8 } |
17 | ||
3c506c7a KS |
18 | trait RegisterSIMD { |
19 | fn register_simd(&mut self); | |
20 | } | |
21 | ||
2f9923e6 KS |
22 | pub struct H264MC { |
23 | avg_buf: NAVideoBufferRef<u8>, | |
76431444 KS |
24 | pub put_block_weighted: [fn (dst: &mut [u8], stride: usize, src: &[u8], h: usize, wparams: [i8; 3]); 4], |
25 | pub put_block_weighted2: [fn (dst: &mut [u8], stride: usize, src0: &[u8], src1: &[u8], h: usize, wparams: [i8; 5]); 4], | |
82f1307e | 26 | pub chroma_interp: [fn (dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, dx: u16, dy: u16, h: usize); 3], |
65997a44 | 27 | avg: [fn (dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, bh: usize); 4], |
306c604f KS |
28 | |
29 | width: usize, | |
30 | height: usize, | |
2f9923e6 KS |
31 | } |
32 | ||
33 | impl H264MC { | |
34 | pub fn new(avg_buf: NAVideoBufferRef<u8>) -> Self { | |
3c506c7a | 35 | let mut obj = Self { |
76431444 KS |
36 | avg_buf, |
37 | put_block_weighted: [put_blk_w_2, put_blk_w_4, put_blk_w_8, put_blk_w_16], | |
38 | put_block_weighted2: [put_blk_w2_2, put_blk_w2_4, put_blk_w2_8, put_blk_w2_16], | |
82f1307e | 39 | chroma_interp: [chroma_interp_2, chroma_interp_4, chroma_interp_8], |
65997a44 | 40 | avg: [avg_2, avg_4, avg_8, avg_16], |
306c604f | 41 | width: 0, height: 0, |
3c506c7a KS |
42 | }; |
43 | obj.register_simd(); | |
44 | obj | |
2f9923e6 | 45 | } |
306c604f KS |
46 | pub fn set_dimensions(&mut self, width: usize, height: usize) { |
47 | self.width = width; | |
48 | self.height = height; | |
49 | } | |
2f9923e6 KS |
50 | pub fn do_mc(&mut self, frm: &mut NASimpleVideoFrame<u8>, refpic: NAVideoBufferRef<u8>, xpos: usize, ypos: usize, w: usize, h: usize, mv: MV) { |
51 | let mut ebuf = [0u8; 22 * 22]; | |
52 | let mvx = mv.x >> 2; | |
53 | let mvy = mv.y >> 2; | |
54 | let mode = ((mv.x & 3) + (mv.y & 3) * 4) as usize; | |
55 | let pre = if mode != 0 { 2isize } else { 0 }; | |
56 | let post = if mode != 0 { 3isize } else { 0 }; | |
306c604f | 57 | let (yw, yh) = (self.width, self.height); |
2f9923e6 KS |
58 | let src = refpic.get_data(); |
59 | let systride = refpic.get_stride(0); | |
60 | let src_x = (xpos as isize) + (mvx as isize); | |
61 | let src_y = (ypos as isize) + (mvy as isize); | |
62 | let (ysrc, ystride) = if (src_x - pre < 0) || (src_x + (w as isize) + post > (yw as isize)) || (src_y - pre < 0) || (src_y + (h as isize) + post > (yh as isize)) { | |
63 | let add = (pre + post) as usize; | |
64 | edge_emu(&refpic, src_x - pre, src_y - pre, w + add, h + add, &mut ebuf, 22, 0, 0); | |
65 | (ebuf.as_slice(), 22) | |
66 | } else { | |
67 | (&src[refpic.get_offset(0) + ((src_x - pre) as usize) + ((src_y - pre) as usize) * systride..], systride) | |
68 | }; | |
76431444 KS |
69 | let wmode = match w { |
70 | 4 => 0, | |
71 | 8 => 1, | |
72 | _ => 2, | |
73 | }; | |
74 | (H264_LUMA_INTERP[wmode][mode])(&mut frm.data[frm.offset[0] + xpos + ypos * frm.stride[0]..], frm.stride[0], ysrc, ystride, h); | |
2f9923e6 | 75 | |
306c604f | 76 | let (cw, ch) = (self.width >> 1, self.height >> 1); |
2f9923e6 KS |
77 | let mvx = mv.x >> 3; |
78 | let mvy = mv.y >> 3; | |
79 | let dx = (mv.x & 7) as u16; | |
80 | let dy = (mv.y & 7) as u16; | |
81 | let src_x = ((xpos >> 1) as isize) + (mvx as isize); | |
82 | let src_y = ((ypos >> 1) as isize) + (mvy as isize); | |
83 | let suoff = refpic.get_offset(1); | |
84 | let svoff = refpic.get_offset(2); | |
85 | let sustride = refpic.get_stride(1); | |
86 | let svstride = refpic.get_stride(2); | |
87 | let cbw = w / 2; | |
88 | let cbh = h / 2; | |
89 | let (csrc, cstride) = if (src_x < 0) || (src_x + (cbw as isize) + 1 > (cw as isize)) || (src_y < 0) || (src_y + (cbh as isize) + 1 > (ch as isize)) { | |
90 | edge_emu(&refpic, src_x, src_y, cbw+1, cbh+1, &mut ebuf, 18, 1, 4); | |
91 | edge_emu(&refpic, src_x, src_y, cbw+1, cbh+1, &mut ebuf[9..], 18, 2, 4); | |
92 | ([&ebuf, &ebuf[9..]], [18, 18]) | |
93 | } else { | |
94 | ([&src[suoff + (src_x as usize) + (src_y as usize) * sustride..], | |
95 | &src[svoff + (src_x as usize) + (src_y as usize) * svstride..]], | |
96 | [sustride, svstride]) | |
97 | }; | |
98 | for chroma in 1..3 { | |
99 | let off = frm.offset[chroma] + xpos / 2 + (ypos / 2) * frm.stride[chroma]; | |
82f1307e | 100 | (self.chroma_interp[wmode])(&mut frm.data[off..], frm.stride[chroma], csrc[chroma - 1], cstride[chroma - 1], dx, dy, cbh); |
2f9923e6 KS |
101 | } |
102 | } | |
103 | ||
104 | pub fn mc_blocks(&mut self, ydst: &mut [u8], udst: &mut [u8], vdst: &mut [u8], refpic: NAVideoBufferRef<u8>, xpos: usize, ypos: usize, w: usize, h: usize, mv: MV) { | |
105 | let mode = ((mv.x & 3) + (mv.y & 3) * 4) as usize; | |
106 | ||
107 | let pre = if mode != 0 { 2 } else { 0 }; | |
108 | let post = if mode != 0 { 3 } else { 0 }; | |
306c604f | 109 | let (width, height) = (self.width, self.height); |
2f9923e6 KS |
110 | let sx = (xpos as isize) + ((mv.x >> 2) as isize); |
111 | let sy = (ypos as isize) + ((mv.y >> 2) as isize); | |
112 | ||
113 | const EBUF_STRIDE: usize = 32; | |
114 | let mut ebuf = [0u8; EBUF_STRIDE * (16 + 2 + 3)]; | |
115 | ||
76431444 KS |
116 | let wmode = match w { |
117 | 4 => 0, | |
118 | 8 => 1, | |
119 | _ => 2, | |
120 | }; | |
2f9923e6 KS |
121 | if (sx - pre < 0) || (sx + (w as isize) + post > (width as isize)) || |
122 | (sy - pre < 0) || (sy + (h as isize) + post > (height as isize)) { | |
123 | let edge = (pre + post) as usize; | |
124 | edge_emu(&refpic, sx - pre, sy - pre, w + edge, h + edge, | |
125 | &mut ebuf, EBUF_STRIDE, 0, 0); | |
76431444 | 126 | (H264_LUMA_INTERP[wmode][mode])(ydst, 16, &ebuf, EBUF_STRIDE, h); |
2f9923e6 KS |
127 | } else { |
128 | let sstride = refpic.get_stride(0); | |
129 | let soff = refpic.get_offset(0); | |
130 | let sdta = refpic.get_data(); | |
131 | let sbuf: &[u8] = sdta.as_slice(); | |
132 | let saddr = soff + ((sx - pre) as usize) + ((sy - pre) as usize) * sstride; | |
76431444 | 133 | (H264_LUMA_INTERP[wmode][mode])(ydst, 16, &sbuf[saddr..], sstride, h); |
2f9923e6 KS |
134 | } |
135 | ||
306c604f | 136 | let (cw, ch) = (self.width >> 1, self.height >> 1); |
2f9923e6 KS |
137 | let mvx = mv.x >> 3; |
138 | let mvy = mv.y >> 3; | |
139 | let dx = (mv.x & 7) as u16; | |
140 | let dy = (mv.y & 7) as u16; | |
141 | let src_x = ((xpos >> 1) as isize) + (mvx as isize); | |
142 | let src_y = ((ypos >> 1) as isize) + (mvy as isize); | |
143 | let suoff = refpic.get_offset(1); | |
144 | let svoff = refpic.get_offset(2); | |
145 | let sustride = refpic.get_stride(1); | |
146 | let svstride = refpic.get_stride(2); | |
147 | let src = refpic.get_data(); | |
148 | let cbw = w / 2; | |
149 | let cbh = h / 2; | |
150 | let (csrc, cstride) = if (src_x < 0) || (src_x + (cbw as isize) + 1 > (cw as isize)) || (src_y < 0) || (src_y + (cbh as isize) + 1 > (ch as isize)) { | |
151 | edge_emu(&refpic, src_x, src_y, cbw+1, cbh+1, &mut ebuf, 18, 1, 4); | |
152 | edge_emu(&refpic, src_x, src_y, cbw+1, cbh+1, &mut ebuf[9..], 18, 2, 4); | |
153 | ([&ebuf, &ebuf[9..]], [18, 18]) | |
154 | } else { | |
155 | ([&src[suoff + (src_x as usize) + (src_y as usize) * sustride..], | |
156 | &src[svoff + (src_x as usize) + (src_y as usize) * svstride..]], | |
157 | [sustride, svstride]) | |
158 | }; | |
82f1307e KS |
159 | (self.chroma_interp[wmode])(udst, 16, csrc[0], cstride[0], dx, dy, cbh); |
160 | (self.chroma_interp[wmode])(vdst, 16, csrc[1], cstride[1], dx, dy, cbh); | |
2f9923e6 KS |
161 | } |
162 | ||
2f9923e6 KS |
163 | pub fn do_mc_avg(&mut self, frm: &mut NASimpleVideoFrame<u8>, refpic: NAVideoBufferRef<u8>, xpos: usize, ypos: usize, w: usize, h: usize, mv: MV) { |
164 | let mut abuf = self.avg_buf.clone(); | |
165 | let mut afrm = NASimpleVideoFrame::from_video_buf(&mut abuf).unwrap(); | |
166 | let amv = MV { x: mv.x + (xpos as i16) * 4, y: mv.y + (ypos as i16) * 4 }; | |
167 | self.do_mc(&mut afrm, refpic, 0, 0, w, h, amv); | |
65997a44 KS |
168 | let wsize = match w { |
169 | 2 => 0, | |
170 | 4 => 1, | |
171 | 8 => 2, | |
172 | _ => 3, | |
173 | }; | |
174 | let src = self.avg_buf.get_data(); | |
2f9923e6 KS |
175 | for comp in 0..3 { |
176 | let shift = if comp == 0 { 0 } else { 1 }; | |
65997a44 KS |
177 | let sstride = self.avg_buf.get_stride(comp); |
178 | let soff = self.avg_buf.get_offset(comp); | |
179 | (self.avg[wsize - shift])(&mut frm.data[frm.offset[comp] + (xpos >> shift) + (ypos >> shift) * frm.stride[comp]..], frm.stride[comp], &src[soff..], sstride, h >> shift); | |
2f9923e6 KS |
180 | } |
181 | } | |
182 | ||
2f9923e6 KS |
183 | pub fn gray_block(&mut self, frm: &mut NASimpleVideoFrame<u8>, x: usize, y: usize, w: usize, h: usize) { |
184 | let yoff = frm.offset[0] + x + y * frm.stride[0]; | |
185 | let coff = [frm.offset[1] + x / 2 + y / 2 * frm.stride[1], | |
186 | frm.offset[2] + x / 2 + y / 2 * frm.stride[2]]; | |
187 | for row in frm.data[yoff..].chunks_mut(frm.stride[0]).take(h) { | |
188 | for el in row[..w].iter_mut() { | |
189 | *el = 128; | |
190 | } | |
191 | } | |
192 | for chroma in 0..2 { | |
193 | for row in frm.data[coff[chroma]..].chunks_mut(frm.stride[chroma + 1]).take(h / 2) { | |
194 | for el in row[..w / 2].iter_mut() { | |
195 | *el = 128; | |
196 | } | |
197 | } | |
198 | } | |
199 | } | |
200 | } | |
76431444 | 201 | |
65997a44 KS |
202 | fn avg(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, bw: usize, bh: usize) { |
203 | for (dline, sline) in dst.chunks_mut(dstride).zip(src.chunks(sstride)).take(bh) { | |
204 | for (dst, src) in dline.iter_mut().zip(sline.iter()).take(bw) { | |
205 | *dst = ((u16::from(*dst) + u16::from(*src) + 1) >> 1) as u8; | |
206 | } | |
207 | } | |
208 | } | |
209 | ||
210 | fn avg_2(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, bh: usize) { | |
211 | avg(dst, dstride, src, sstride, 2, bh); | |
212 | } | |
213 | fn avg_4(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, bh: usize) { | |
214 | avg(dst, dstride, src, sstride, 4, bh); | |
215 | } | |
216 | fn avg_8(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, bh: usize) { | |
217 | avg(dst, dstride, src, sstride, 8, bh); | |
218 | } | |
219 | fn avg_16(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, bh: usize) { | |
220 | avg(dst, dstride, src, sstride, 16, bh); | |
221 | } | |
222 | ||
76431444 KS |
223 | fn put_block_weighted(dst: &mut [u8], stride: usize, src: &[u8], w: usize, h: usize, wparams: [i8; 3]) { |
224 | let weight = i16::from(wparams[0]); | |
225 | let offset = i16::from(wparams[1]); | |
226 | let wshift = wparams[2] as u8; | |
227 | let bias = (1 << wshift) >> 1; | |
228 | ||
229 | for (drow, srow) in dst.chunks_mut(stride).zip(src.chunks(16)).take(h) { | |
230 | for (dst, &src) in drow[..w].iter_mut().zip(srow.iter()) { | |
231 | *dst = clip_u8(((i16::from(src) * weight + bias) >> wshift) + offset); | |
232 | } | |
233 | } | |
234 | } | |
235 | ||
236 | fn put_blk_w_2(dst: &mut [u8], stride: usize, src: &[u8], h: usize, wparams: [i8; 3]) { | |
237 | put_block_weighted(dst, stride, src, 2, h, wparams); | |
238 | } | |
239 | fn put_blk_w_4(dst: &mut [u8], stride: usize, src: &[u8], h: usize, wparams: [i8; 3]) { | |
240 | put_block_weighted(dst, stride, src, 4, h, wparams); | |
241 | } | |
242 | fn put_blk_w_8(dst: &mut [u8], stride: usize, src: &[u8], h: usize, wparams: [i8; 3]) { | |
243 | put_block_weighted(dst, stride, src, 8, h, wparams); | |
244 | } | |
245 | fn put_blk_w_16(dst: &mut [u8], stride: usize, src: &[u8], h: usize, wparams: [i8; 3]) { | |
246 | put_block_weighted(dst, stride, src, 16, h, wparams); | |
247 | } | |
248 | ||
249 | fn put_block_weighted2(dst: &mut [u8], stride: usize, src0: &[u8], src1: &[u8], w: usize, h: usize, wparams: [i8; 5]) { | |
250 | let weight0 = i16::from(wparams[0]); | |
251 | let offset0 = i16::from(wparams[1]); | |
252 | let weight1 = i16::from(wparams[2]); | |
253 | let offset1 = i16::from(wparams[3]); | |
254 | let wshift = (wparams[4] as u8) + 1; | |
255 | let offset = (offset0 + offset1 + 1) >> 1; | |
256 | let bias = (1 << wshift) >> 1; | |
257 | ||
258 | for (drow, (srow0, srow1)) in dst.chunks_mut(stride).zip(src0.chunks(16).zip(src1.chunks(16))).take(h) { | |
259 | for (dst, (&src0, &src1)) in drow[..w].iter_mut().zip(srow0.iter().zip(srow1.iter())) { | |
260 | *dst = clip_u8(((i16::from(src0) * weight0 + i16::from(src1) * weight1 + bias) >> wshift) + offset); | |
261 | } | |
262 | } | |
263 | } | |
264 | ||
265 | fn put_blk_w2_2(dst: &mut [u8], stride: usize, src0: &[u8], src1: &[u8], h: usize, wparams: [i8; 5]) { | |
266 | put_block_weighted2(dst, stride, src0, src1, 2, h, wparams); | |
267 | } | |
268 | fn put_blk_w2_4(dst: &mut [u8], stride: usize, src0: &[u8], src1: &[u8], h: usize, wparams: [i8; 5]) { | |
269 | put_block_weighted2(dst, stride, src0, src1, 4, h, wparams); | |
270 | } | |
271 | fn put_blk_w2_8(dst: &mut [u8], stride: usize, src0: &[u8], src1: &[u8], h: usize, wparams: [i8; 5]) { | |
272 | put_block_weighted2(dst, stride, src0, src1, 8, h, wparams); | |
273 | } | |
274 | fn put_blk_w2_16(dst: &mut [u8], stride: usize, src0: &[u8], src1: &[u8], h: usize, wparams: [i8; 5]) { | |
275 | put_block_weighted2(dst, stride, src0, src1, 16, h, wparams); | |
276 | } |