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h264: update test hashes after the changes
[nihav.git] / nihav-itu / src / codecs / h264 / dsp / debug.rs
1 use nihav_codec_support::codecs::blockdsp::*;
2
3 use super::clip_u8;
4
5 const TMP_BUF_STRIDE: usize = 32;
6
7 fn interp_block1(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize, hor: bool, avg0: bool) {
8
9 let step = if hor { 1 } else { sstride };
10 let mut idx = 0;
11 let avgidx = if avg0 { step * 2 } else { step * 3 };
12
13 for dline in dst.chunks_mut(dstride).take(h) {
14 for (x, pix) in dline.iter_mut().take(w).enumerate() {
15 let t = clip_u8(( i16::from(src[idx + x])
16 - 5 * i16::from(src[idx + x + step])
17 + 20 * i16::from(src[idx + x + step * 2])
18 + 20 * i16::from(src[idx + x + step * 3])
19 - 5 * i16::from(src[idx + x + step * 4])
20 + i16::from(src[idx + x + step * 5])
21 + 16) >> 5);
22 *pix = ((u16::from(t) + u16::from(src[idx + x + avgidx]) + 1) >> 1) as u8;
23 }
24 idx += sstride;
25 }
26 }
27
28 fn interp_block2(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize, hor: bool) {
29 let step = if hor { 1 } else { sstride };
30 let mut idx = 0;
31 for dline in dst.chunks_mut(dstride).take(h) {
32 for (x, pix) in dline.iter_mut().take(w).enumerate() {
33 *pix = clip_u8(( i16::from(src[idx + x])
34 - 5 * i16::from(src[idx + x + step])
35 + 20 * i16::from(src[idx + x + step * 2])
36 + 20 * i16::from(src[idx + x + step * 3])
37 - 5 * i16::from(src[idx + x + step * 4])
38 + i16::from(src[idx + x + step * 5])
39 + 16) >> 5);
40 }
41 idx += sstride;
42 }
43 }
44
45 fn mc_avg_tmp(dst: &mut [u8], dstride: usize, w: usize, h: usize, tmp: &[u8], tmp2: &[u8]) {
46 for (dline, (sline0, sline1)) in dst.chunks_mut(dstride).zip(tmp.chunks(TMP_BUF_STRIDE).zip(tmp2.chunks(TMP_BUF_STRIDE))).take(h) {
47 for (pix, (&a, &b)) in dline.iter_mut().zip(sline0.iter().zip(sline1.iter())).take(w) {
48 *pix = ((u16::from(a) + u16::from(b) + 1) >> 1) as u8;
49 }
50 }
51 }
52
53 fn h264_mc00(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
54 for (dline, sline) in dst.chunks_mut(dstride).zip(src.chunks(sstride)).take(h) {
55 dline[..w].copy_from_slice(&sline[..w]);
56 }
57 }
58
59 fn h264_mc01(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
60 interp_block1(dst, dstride, &src[sstride * 2..], sstride, w, h, true, true);
61 }
62
63 fn h264_mc02(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
64 interp_block2(dst, dstride, &src[sstride * 2..], sstride, w, h, true);
65 }
66
67 fn h264_mc03(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
68 interp_block1(dst, dstride, &src[sstride * 2..], sstride, w, h, true, false);
69 }
70
71 fn h264_mc10(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
72 interp_block1(dst, dstride, &src[2..], sstride, w, h, false, true);
73 }
74
75 fn h264_mc11(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
76 let mut tmp = [0u8; TMP_BUF_STRIDE * 16];
77 let mut tmp2 = [0u8; TMP_BUF_STRIDE * 16];
78 h264_mc02(&mut tmp, TMP_BUF_STRIDE, src, sstride, w, h);
79 h264_mc20(&mut tmp2, TMP_BUF_STRIDE, src, sstride, w, h);
80 mc_avg_tmp(dst, dstride, w, h, &tmp, &tmp2);
81 }
82
83 fn h264_mc12(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
84 let mut tmp = [0u8; TMP_BUF_STRIDE * 16];
85 let mut tmp2 = [0u8; TMP_BUF_STRIDE * 16];
86 h264_mc02(&mut tmp, TMP_BUF_STRIDE, src, sstride, w, h);
87 h264_mc22(&mut tmp2, TMP_BUF_STRIDE, src, sstride, w, h);
88 mc_avg_tmp(dst, dstride, w, h, &tmp, &tmp2);
89 }
90
91 fn h264_mc13(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
92 let mut tmp = [0u8; TMP_BUF_STRIDE * 16];
93 let mut tmp2 = [0u8; TMP_BUF_STRIDE * 16];
94 h264_mc02(&mut tmp, TMP_BUF_STRIDE, src, sstride, w, h);
95 h264_mc20(&mut tmp2, TMP_BUF_STRIDE, &src[1..], sstride, w, h);
96 mc_avg_tmp(dst, dstride, w, h, &tmp, &tmp2);
97 }
98
99 fn h264_mc20(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
100 interp_block2(dst, dstride, &src[2..], sstride, w, h, false);
101 }
102
103 fn h264_mc21(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
104 let mut tmp = [0u8; TMP_BUF_STRIDE * 16];
105 let mut tmp2 = [0u8; TMP_BUF_STRIDE * 16];
106 h264_mc22(&mut tmp, TMP_BUF_STRIDE, src, sstride, w, h);
107 h264_mc20(&mut tmp2, TMP_BUF_STRIDE, src, sstride, w, h);
108 mc_avg_tmp(dst, dstride, w, h, &tmp, &tmp2);
109 }
110
111 fn h264_mc22(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
112 let mut tmp = [0i32; TMP_BUF_STRIDE * 16];
113 let mut idx = 0;
114 for dline in tmp.chunks_mut(TMP_BUF_STRIDE).take(h) {
115 for (x, pix) in dline.iter_mut().take(w + 5).enumerate() {
116 *pix = i32::from(src[idx + x])
117 - 5 * i32::from(src[idx + x + sstride])
118 + 20 * i32::from(src[idx + x + sstride * 2])
119 + 20 * i32::from(src[idx + x + sstride * 3])
120 - 5 * i32::from(src[idx + x + sstride * 4])
121 + i32::from(src[idx + x + sstride * 5]);
122 }
123 idx += sstride;
124 }
125 for (dline, sline) in dst.chunks_mut(dstride).zip(tmp.chunks(TMP_BUF_STRIDE)).take(h) {
126 for (x, pix) in dline.iter_mut().take(w).enumerate() {
127 *pix = clip_u8(((sline[x] - 5 * sline[x + 1] + 20 * sline[x + 2] + 20 * sline[x + 3] - 5 * sline[x + 4] + sline[x + 5] + 512) >> 10) as i16);
128 }
129 }
130 }
131
132 fn h264_mc23(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
133 let mut tmp = [0u8; TMP_BUF_STRIDE * 16];
134 let mut tmp2 = [0u8; TMP_BUF_STRIDE * 16];
135 h264_mc22(&mut tmp, TMP_BUF_STRIDE, src, sstride, w, h);
136 h264_mc20(&mut tmp2, TMP_BUF_STRIDE, &src[1..], sstride, w, h);
137 mc_avg_tmp(dst, dstride, w, h, &tmp, &tmp2);
138 }
139
140 fn h264_mc30(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
141 interp_block1(dst, dstride, &src[2..], sstride, w, h, false, false);
142 }
143
144 fn h264_mc31(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
145 let mut tmp = [0u8; TMP_BUF_STRIDE * 16];
146 let mut tmp2 = [0u8; TMP_BUF_STRIDE * 16];
147 h264_mc20(&mut tmp, TMP_BUF_STRIDE, src, sstride, w, h);
148 h264_mc02(&mut tmp2, TMP_BUF_STRIDE, &src[sstride..], sstride, w, h);
149 mc_avg_tmp(dst, dstride, w, h, &tmp, &tmp2);
150 }
151
152 fn h264_mc32(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
153 let mut tmp = [0u8; TMP_BUF_STRIDE * 16];
154 let mut tmp2 = [0u8; TMP_BUF_STRIDE * 16];
155 h264_mc22(&mut tmp, TMP_BUF_STRIDE, src, sstride, w, h);
156 h264_mc02(&mut tmp2, TMP_BUF_STRIDE, &src[sstride..], sstride, w, h);
157 mc_avg_tmp(dst, dstride, w, h, &tmp, &tmp2);
158 }
159
160 fn h264_mc33(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
161 let mut tmp = [0u8; TMP_BUF_STRIDE * 16];
162 let mut tmp2 = [0u8; TMP_BUF_STRIDE * 16];
163 h264_mc20(&mut tmp, TMP_BUF_STRIDE, &src[1..], sstride, w, h);
164 h264_mc02(&mut tmp2, TMP_BUF_STRIDE, &src[sstride..], sstride, w, h);
165 mc_avg_tmp(dst, dstride, w, h, &tmp, &tmp2);
166 }
167
168
169 pub fn chroma_interp(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, dx: u16, dy: u16, w: usize, h: usize) {
170 let a0 = 8 - dx;
171 let a1 = dx;
172 let b0 = 8 - dy;
173 let b1 = dy;
174
175 let src1 = &src[sstride..];
176 if a0 == 8 && b0 == 8 {
177 for (drow, line) in dst.chunks_mut(dstride).zip(src.chunks(sstride)).take(h) {
178 drow[..w].copy_from_slice(&line[..w]);
179 }
180 } else if a0 == 8 {
181 for (drow, (line0, line1)) in dst.chunks_mut(dstride).zip(src.chunks(sstride).zip(src1.chunks(sstride))).take(h) {
182 for (pix, (&a, &b)) in drow.iter_mut().take(w).zip(line0.iter().zip(line1.iter())) {
183 *pix = ((u16::from(a) * b0 + u16::from(b) * b1 + 4) >> 3) as u8;
184 }
185 }
186 } else if b0 == 8 {
187 for (drow, line) in dst.chunks_mut(dstride).zip(src.chunks(sstride)).take(h) {
188 let mut a = line[0];
189 for (pix, &b) in drow.iter_mut().take(w).zip(line.iter().skip(1)) {
190 *pix = ((u16::from(a) * a0 + u16::from(b) * a1 + 4) >> 3) as u8;
191 a = b;
192 }
193 }
194 } else {
195 for (drow, (line0, line1)) in dst.chunks_mut(dstride).zip(src.chunks(sstride).zip(src1.chunks(sstride))).take(h) {
196 let mut a = line0[0];
197 let mut c = line1[0];
198 for (pix, (&b, &d)) in drow.iter_mut().take(w).zip(line0[1..].iter().zip(line1[1..].iter())) {
199 *pix = ((u16::from(a) * a0 * b0 + u16::from(b) * a1 * b0 + u16::from(c) * a0 * b1 + u16::from(d) * a1 * b1 + 0x20) >> 6) as u8;
200 a = b;
201 c = d;
202 }
203 }
204 }
205 }
206
207 pub const H264_LUMA_INTERP: &[BlkInterpFunc] = &[
208 h264_mc00, h264_mc01, h264_mc02, h264_mc03,
209 h264_mc10, h264_mc11, h264_mc12, h264_mc13,
210 h264_mc20, h264_mc21, h264_mc22, h264_mc23,
211 h264_mc30, h264_mc31, h264_mc32, h264_mc33
212 ];