--- /dev/null
+use nihav_codec_support::codecs::blockdsp::*;
+
+use super::clip_u8;
+
+const TMP_BUF_STRIDE: usize = 32;
+
+fn interp_block1(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize, hor: bool, avg0: bool) {
+
+ let step = if hor { 1 } else { sstride };
+ let mut idx = 0;
+ let avgidx = if avg0 { step * 2 } else { step * 3 };
+
+ for dline in dst.chunks_mut(dstride).take(h) {
+ for (x, pix) in dline.iter_mut().take(w).enumerate() {
+ let t = clip_u8(( i16::from(src[idx + x])
+ - 5 * i16::from(src[idx + x + step])
+ + 20 * i16::from(src[idx + x + step * 2])
+ + 20 * i16::from(src[idx + x + step * 3])
+ - 5 * i16::from(src[idx + x + step * 4])
+ + i16::from(src[idx + x + step * 5])
+ + 16) >> 5);
+ *pix = ((u16::from(t) + u16::from(src[idx + x + avgidx]) + 1) >> 1) as u8;
+ }
+ idx += sstride;
+ }
+}
+
+fn interp_block2(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize, hor: bool) {
+ let step = if hor { 1 } else { sstride };
+ let mut idx = 0;
+ for dline in dst.chunks_mut(dstride).take(h) {
+ for (x, pix) in dline.iter_mut().take(w).enumerate() {
+ *pix = clip_u8(( i16::from(src[idx + x])
+ - 5 * i16::from(src[idx + x + step])
+ + 20 * i16::from(src[idx + x + step * 2])
+ + 20 * i16::from(src[idx + x + step * 3])
+ - 5 * i16::from(src[idx + x + step * 4])
+ + i16::from(src[idx + x + step * 5])
+ + 16) >> 5);
+ }
+ idx += sstride;
+ }
+}
+
+fn mc_avg_tmp(dst: &mut [u8], dstride: usize, w: usize, h: usize, tmp: &[u8], tmp2: &[u8]) {
+ for (dline, (sline0, sline1)) in dst.chunks_mut(dstride).zip(tmp.chunks(TMP_BUF_STRIDE).zip(tmp2.chunks(TMP_BUF_STRIDE))).take(h) {
+ for (pix, (&a, &b)) in dline.iter_mut().zip(sline0.iter().zip(sline1.iter())).take(w) {
+ *pix = ((u16::from(a) + u16::from(b) + 1) >> 1) as u8;
+ }
+ }
+}
+
+fn h264_mc00(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
+ for (dline, sline) in dst.chunks_mut(dstride).zip(src.chunks(sstride)).take(h) {
+ dline[..w].copy_from_slice(&sline[..w]);
+ }
+}
+
+fn h264_mc01(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
+ interp_block1(dst, dstride, &src[sstride * 2..], sstride, w, h, true, true);
+}
+
+fn h264_mc02(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
+ interp_block2(dst, dstride, &src[sstride * 2..], sstride, w, h, true);
+}
+
+fn h264_mc03(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
+ interp_block1(dst, dstride, &src[sstride * 2..], sstride, w, h, true, false);
+}
+
+fn h264_mc10(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
+ interp_block1(dst, dstride, &src[2..], sstride, w, h, false, true);
+}
+
+fn h264_mc11(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
+ let mut tmp = [0u8; TMP_BUF_STRIDE * 16];
+ let mut tmp2 = [0u8; TMP_BUF_STRIDE * 16];
+ h264_mc02(&mut tmp, TMP_BUF_STRIDE, src, sstride, w, h);
+ h264_mc20(&mut tmp2, TMP_BUF_STRIDE, src, sstride, w, h);
+ mc_avg_tmp(dst, dstride, w, h, &tmp, &tmp2);
+}
+
+fn h264_mc12(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
+ let mut tmp = [0u8; TMP_BUF_STRIDE * 16];
+ let mut tmp2 = [0u8; TMP_BUF_STRIDE * 16];
+ h264_mc02(&mut tmp, TMP_BUF_STRIDE, src, sstride, w, h);
+ h264_mc22(&mut tmp2, TMP_BUF_STRIDE, src, sstride, w, h);
+ mc_avg_tmp(dst, dstride, w, h, &tmp, &tmp2);
+}
+
+fn h264_mc13(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
+ let mut tmp = [0u8; TMP_BUF_STRIDE * 16];
+ let mut tmp2 = [0u8; TMP_BUF_STRIDE * 16];
+ h264_mc02(&mut tmp, TMP_BUF_STRIDE, src, sstride, w, h);
+ h264_mc20(&mut tmp2, TMP_BUF_STRIDE, &src[1..], sstride, w, h);
+ mc_avg_tmp(dst, dstride, w, h, &tmp, &tmp2);
+}
+
+fn h264_mc20(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
+ interp_block2(dst, dstride, &src[2..], sstride, w, h, false);
+}
+
+fn h264_mc21(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
+ let mut tmp = [0u8; TMP_BUF_STRIDE * 16];
+ let mut tmp2 = [0u8; TMP_BUF_STRIDE * 16];
+ h264_mc22(&mut tmp, TMP_BUF_STRIDE, src, sstride, w, h);
+ h264_mc20(&mut tmp2, TMP_BUF_STRIDE, src, sstride, w, h);
+ mc_avg_tmp(dst, dstride, w, h, &tmp, &tmp2);
+}
+
+fn h264_mc22(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
+ let mut tmp = [0i32; TMP_BUF_STRIDE * 16];
+ let mut idx = 0;
+ for dline in tmp.chunks_mut(TMP_BUF_STRIDE).take(h) {
+ for (x, pix) in dline.iter_mut().take(w + 5).enumerate() {
+ *pix = i32::from(src[idx + x])
+ - 5 * i32::from(src[idx + x + sstride])
+ + 20 * i32::from(src[idx + x + sstride * 2])
+ + 20 * i32::from(src[idx + x + sstride * 3])
+ - 5 * i32::from(src[idx + x + sstride * 4])
+ + i32::from(src[idx + x + sstride * 5]);
+ }
+ idx += sstride;
+ }
+ for (dline, sline) in dst.chunks_mut(dstride).zip(tmp.chunks(TMP_BUF_STRIDE)).take(h) {
+ for (x, pix) in dline.iter_mut().take(w).enumerate() {
+ *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);
+ }
+ }
+}
+
+fn h264_mc23(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
+ let mut tmp = [0u8; TMP_BUF_STRIDE * 16];
+ let mut tmp2 = [0u8; TMP_BUF_STRIDE * 16];
+ h264_mc22(&mut tmp, TMP_BUF_STRIDE, src, sstride, w, h);
+ h264_mc20(&mut tmp2, TMP_BUF_STRIDE, &src[1..], sstride, w, h);
+ mc_avg_tmp(dst, dstride, w, h, &tmp, &tmp2);
+}
+
+fn h264_mc30(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
+ interp_block1(dst, dstride, &src[2..], sstride, w, h, false, false);
+}
+
+fn h264_mc31(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
+ let mut tmp = [0u8; TMP_BUF_STRIDE * 16];
+ let mut tmp2 = [0u8; TMP_BUF_STRIDE * 16];
+ h264_mc20(&mut tmp, TMP_BUF_STRIDE, src, sstride, w, h);
+ h264_mc02(&mut tmp2, TMP_BUF_STRIDE, &src[sstride..], sstride, w, h);
+ mc_avg_tmp(dst, dstride, w, h, &tmp, &tmp2);
+}
+
+fn h264_mc32(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
+ let mut tmp = [0u8; TMP_BUF_STRIDE * 16];
+ let mut tmp2 = [0u8; TMP_BUF_STRIDE * 16];
+ h264_mc22(&mut tmp, TMP_BUF_STRIDE, src, sstride, w, h);
+ h264_mc02(&mut tmp2, TMP_BUF_STRIDE, &src[sstride..], sstride, w, h);
+ mc_avg_tmp(dst, dstride, w, h, &tmp, &tmp2);
+}
+
+fn h264_mc33(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
+ let mut tmp = [0u8; TMP_BUF_STRIDE * 16];
+ let mut tmp2 = [0u8; TMP_BUF_STRIDE * 16];
+ h264_mc20(&mut tmp, TMP_BUF_STRIDE, &src[1..], sstride, w, h);
+ h264_mc02(&mut tmp2, TMP_BUF_STRIDE, &src[sstride..], sstride, w, h);
+ mc_avg_tmp(dst, dstride, w, h, &tmp, &tmp2);
+}
+
+
+pub fn chroma_interp(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, dx: u16, dy: u16, w: usize, h: usize) {
+ let a0 = 8 - dx;
+ let a1 = dx;
+ let b0 = 8 - dy;
+ let b1 = dy;
+
+ let src1 = &src[sstride..];
+ if a0 == 8 && b0 == 8 {
+ for (drow, line) in dst.chunks_mut(dstride).zip(src.chunks(sstride)).take(h) {
+ drow[..w].copy_from_slice(&line[..w]);
+ }
+ } else if a0 == 8 {
+ for (drow, (line0, line1)) in dst.chunks_mut(dstride).zip(src.chunks(sstride).zip(src1.chunks(sstride))).take(h) {
+ for (pix, (&a, &b)) in drow.iter_mut().take(w).zip(line0.iter().zip(line1.iter())) {
+ *pix = ((u16::from(a) * b0 + u16::from(b) * b1 + 4) >> 3) as u8;
+ }
+ }
+ } else if b0 == 8 {
+ for (drow, line) in dst.chunks_mut(dstride).zip(src.chunks(sstride)).take(h) {
+ let mut a = line[0];
+ for (pix, &b) in drow.iter_mut().take(w).zip(line.iter().skip(1)) {
+ *pix = ((u16::from(a) * a0 + u16::from(b) * a1 + 4) >> 3) as u8;
+ a = b;
+ }
+ }
+ } else {
+ for (drow, (line0, line1)) in dst.chunks_mut(dstride).zip(src.chunks(sstride).zip(src1.chunks(sstride))).take(h) {
+ let mut a = line0[0];
+ let mut c = line1[0];
+ for (pix, (&b, &d)) in drow.iter_mut().take(w).zip(line0[1..].iter().zip(line1[1..].iter())) {
+ *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;
+ a = b;
+ c = d;
+ }
+ }
+ }
+}
+
+pub const H264_LUMA_INTERP: &[BlkInterpFunc] = &[
+ h264_mc00, h264_mc01, h264_mc02, h264_mc03,
+ h264_mc10, h264_mc11, h264_mc12, h264_mc13,
+ h264_mc20, h264_mc21, h264_mc22, h264_mc23,
+ h264_mc30, h264_mc31, h264_mc32, h264_mc33
+];
use nihav_codec_support::codecs::blockdsp::*;
use nihav_codec_support::codecs::MV;
+#[cfg(not(debug_assertions))]
+mod release;
+#[cfg(not(debug_assertions))]
+use release::*;
+#[cfg(debug_assertions)]
+mod debug;
+#[cfg(debug_assertions)]
+use debug::*;
+
pub const CHROMA_QUANTS: [u8; 52] = [
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 29, 30,
fn clip_u8(val: i16) -> u8 { val.max(0).min(255) as u8 }
-const TMP_BUF_STRIDE: usize = 32;
-
-fn interp_block1(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize, hor: bool, avg0: bool) {
- let step = if hor { 1 } else { sstride };
- let mut idx = 0;
- let avgidx = if avg0 { step * 2 } else { step * 3 };
- for dline in dst.chunks_mut(dstride).take(h) {
- for (x, pix) in dline.iter_mut().take(w).enumerate() {
- let t = clip_u8(( i16::from(src[idx + x])
- - 5 * i16::from(src[idx + x + step])
- + 20 * i16::from(src[idx + x + step * 2])
- + 20 * i16::from(src[idx + x + step * 3])
- - 5 * i16::from(src[idx + x + step * 4])
- + i16::from(src[idx + x + step * 5])
- + 16) >> 5);
- *pix = ((u16::from(t) + u16::from(src[idx + x + avgidx]) + 1) >> 1) as u8;
- }
- idx += sstride;
- }
-}
-
-fn interp_block2(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize, hor: bool) {
- let step = if hor { 1 } else { sstride };
- let mut idx = 0;
- for dline in dst.chunks_mut(dstride).take(h) {
- for (x, pix) in dline.iter_mut().take(w).enumerate() {
- *pix = clip_u8(( i16::from(src[idx + x])
- - 5 * i16::from(src[idx + x + step])
- + 20 * i16::from(src[idx + x + step * 2])
- + 20 * i16::from(src[idx + x + step * 3])
- - 5 * i16::from(src[idx + x + step * 4])
- + i16::from(src[idx + x + step * 5])
- + 16) >> 5);
- }
- idx += sstride;
- }
-}
-
-fn mc_avg_tmp(dst: &mut [u8], dstride: usize, w: usize, h: usize, tmp: &[u8], tmp2: &[u8]) {
- for (dline, (sline0, sline1)) in dst.chunks_mut(dstride).zip(tmp.chunks(TMP_BUF_STRIDE).zip(tmp2.chunks(TMP_BUF_STRIDE))).take(h) {
- for (pix, (&a, &b)) in dline.iter_mut().zip(sline0.iter().zip(sline1.iter())).take(w) {
- *pix = ((u16::from(a) + u16::from(b) + 1) >> 1) as u8;
- }
- }
-}
-
-fn h264_mc00(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
- for (dline, sline) in dst.chunks_mut(dstride).zip(src.chunks(sstride)).take(h) {
- dline[..w].copy_from_slice(&sline[..w]);
- }
-}
-
-fn h264_mc01(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
- interp_block1(dst, dstride, &src[sstride * 2..], sstride, w, h, true, true);
-}
-
-fn h264_mc02(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
- interp_block2(dst, dstride, &src[sstride * 2..], sstride, w, h, true);
-}
-
-fn h264_mc03(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
- interp_block1(dst, dstride, &src[sstride * 2..], sstride, w, h, true, false);
-}
-
-fn h264_mc10(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
- interp_block1(dst, dstride, &src[2..], sstride, w, h, false, true);
-}
-
-fn h264_mc11(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
- let mut tmp = [0u8; TMP_BUF_STRIDE * 16];
- let mut tmp2 = [0u8; TMP_BUF_STRIDE * 16];
- h264_mc02(&mut tmp, TMP_BUF_STRIDE, src, sstride, w, h);
- h264_mc20(&mut tmp2, TMP_BUF_STRIDE, src, sstride, w, h);
- mc_avg_tmp(dst, dstride, w, h, &tmp, &tmp2);
-}
-
-fn h264_mc12(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
- let mut tmp = [0u8; TMP_BUF_STRIDE * 16];
- let mut tmp2 = [0u8; TMP_BUF_STRIDE * 16];
- h264_mc02(&mut tmp, TMP_BUF_STRIDE, src, sstride, w, h);
- h264_mc22(&mut tmp2, TMP_BUF_STRIDE, src, sstride, w, h);
- mc_avg_tmp(dst, dstride, w, h, &tmp, &tmp2);
-}
-
-fn h264_mc13(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
- let mut tmp = [0u8; TMP_BUF_STRIDE * 16];
- let mut tmp2 = [0u8; TMP_BUF_STRIDE * 16];
- h264_mc02(&mut tmp, TMP_BUF_STRIDE, src, sstride, w, h);
- h264_mc20(&mut tmp2, TMP_BUF_STRIDE, &src[1..], sstride, w, h);
- mc_avg_tmp(dst, dstride, w, h, &tmp, &tmp2);
-}
-
-fn h264_mc20(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
- interp_block2(dst, dstride, &src[2..], sstride, w, h, false);
-}
-
-fn h264_mc21(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
- let mut tmp = [0u8; TMP_BUF_STRIDE * 16];
- let mut tmp2 = [0u8; TMP_BUF_STRIDE * 16];
- h264_mc22(&mut tmp, TMP_BUF_STRIDE, src, sstride, w, h);
- h264_mc20(&mut tmp2, TMP_BUF_STRIDE, src, sstride, w, h);
- mc_avg_tmp(dst, dstride, w, h, &tmp, &tmp2);
-}
-
-fn h264_mc22(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
- let mut tmp = [0i32; TMP_BUF_STRIDE * 16];
- let mut idx = 0;
- for dline in tmp.chunks_mut(TMP_BUF_STRIDE).take(h) {
- for (x, pix) in dline.iter_mut().take(w + 5).enumerate() {
- *pix = i32::from(src[idx + x])
- - 5 * i32::from(src[idx + x + sstride])
- + 20 * i32::from(src[idx + x + sstride * 2])
- + 20 * i32::from(src[idx + x + sstride * 3])
- - 5 * i32::from(src[idx + x + sstride * 4])
- + i32::from(src[idx + x + sstride * 5]);
- }
- idx += sstride;
- }
- for (dline, sline) in dst.chunks_mut(dstride).zip(tmp.chunks(TMP_BUF_STRIDE)).take(h) {
- for (x, pix) in dline.iter_mut().take(w).enumerate() {
- *pix = clip8(((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);
- }
- }
-}
-
-fn h264_mc23(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
- let mut tmp = [0u8; TMP_BUF_STRIDE * 16];
- let mut tmp2 = [0u8; TMP_BUF_STRIDE * 16];
- h264_mc22(&mut tmp, TMP_BUF_STRIDE, src, sstride, w, h);
- h264_mc20(&mut tmp2, TMP_BUF_STRIDE, &src[1..], sstride, w, h);
- mc_avg_tmp(dst, dstride, w, h, &tmp, &tmp2);
-}
-
-fn h264_mc30(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
- interp_block1(dst, dstride, &src[2..], sstride, w, h, false, false);
-}
-
-fn h264_mc31(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
- let mut tmp = [0u8; TMP_BUF_STRIDE * 16];
- let mut tmp2 = [0u8; TMP_BUF_STRIDE * 16];
- h264_mc20(&mut tmp, TMP_BUF_STRIDE, src, sstride, w, h);
- h264_mc02(&mut tmp2, TMP_BUF_STRIDE, &src[sstride..], sstride, w, h);
- mc_avg_tmp(dst, dstride, w, h, &tmp, &tmp2);
-}
-
-fn h264_mc32(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
- let mut tmp = [0u8; TMP_BUF_STRIDE * 16];
- let mut tmp2 = [0u8; TMP_BUF_STRIDE * 16];
- h264_mc22(&mut tmp, TMP_BUF_STRIDE, src, sstride, w, h);
- h264_mc02(&mut tmp2, TMP_BUF_STRIDE, &src[sstride..], sstride, w, h);
- mc_avg_tmp(dst, dstride, w, h, &tmp, &tmp2);
-}
-
-fn h264_mc33(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
- let mut tmp = [0u8; TMP_BUF_STRIDE * 16];
- let mut tmp2 = [0u8; TMP_BUF_STRIDE * 16];
- h264_mc20(&mut tmp, TMP_BUF_STRIDE, &src[1..], sstride, w, h);
- h264_mc02(&mut tmp2, TMP_BUF_STRIDE, &src[sstride..], sstride, w, h);
- mc_avg_tmp(dst, dstride, w, h, &tmp, &tmp2);
-}
-
-
-fn chroma_interp(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, dx: u16, dy: u16, w: usize, h: usize) {
- let a0 = 8 - dx;
- let a1 = dx;
- let b0 = 8 - dy;
- let b1 = dy;
-
- let src1 = &src[sstride..];
- if a0 == 8 && b0 == 8 {
- for (drow, line) in dst.chunks_mut(dstride).zip(src.chunks(sstride)).take(h) {
- drow[..w].copy_from_slice(&line[..w]);
- }
- } else if a0 == 8 {
- for (drow, (line0, line1)) in dst.chunks_mut(dstride).zip(src.chunks(sstride).zip(src1.chunks(sstride))).take(h) {
- for (pix, (&a, &b)) in drow.iter_mut().take(w).zip(line0.iter().zip(line1.iter())) {
- *pix = ((u16::from(a) * b0 + u16::from(b) * b1 + 4) >> 3) as u8;
- }
- }
- } else if b0 == 8 {
- for (drow, line) in dst.chunks_mut(dstride).zip(src.chunks(sstride)).take(h) {
- let mut a = line[0];
- for (pix, &b) in drow.iter_mut().take(w).zip(line.iter().skip(1)) {
- *pix = ((u16::from(a) * a0 + u16::from(b) * a1 + 4) >> 3) as u8;
- a = b;
- }
- }
- } else {
- for (drow, (line0, line1)) in dst.chunks_mut(dstride).zip(src.chunks(sstride).zip(src1.chunks(sstride))).take(h) {
- let mut a = line0[0];
- let mut c = line1[0];
- for (pix, (&b, &d)) in drow.iter_mut().take(w).zip(line0[1..].iter().zip(line1[1..].iter())) {
- *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;
- a = b;
- c = d;
- }
- }
- }
-}
-
-const H264_LUMA_INTERP: &[BlkInterpFunc] = &[
- h264_mc00, h264_mc01, h264_mc02, h264_mc03,
- h264_mc10, h264_mc11, h264_mc12, h264_mc13,
- h264_mc20, h264_mc21, h264_mc22, h264_mc23,
- h264_mc30, h264_mc31, h264_mc32, h264_mc33
-];
-
pub fn do_mc(frm: &mut NASimpleVideoFrame<u8>, refpic: NAVideoBufferRef<u8>, xpos: usize, ypos: usize, w: usize, h: usize, mv: MV) {
let mode = ((mv.x & 3) + (mv.y & 3) * 4) as usize;
copy_block(frm, refpic.clone(), 0, xpos, ypos, mv.x >> 2, mv.y >> 2, w, h, 2, 3, mode, H264_LUMA_INTERP);
--- /dev/null
+use nihav_codec_support::codecs::blockdsp::*;
+
+use super::clip_u8;
+
+const TMP_BUF_STRIDE: usize = 32;
+
+fn interp_block1(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize, hor: bool, avg0: bool) {
+ unsafe {
+ let step = if hor { 1 } else { sstride };
+ let avgidx = if avg0 { step * 2 } else { step * 3 };
+ let mut src = src.as_ptr();
+ let mut dst = dst.as_mut_ptr();
+ for _ in 0..h {
+ for _ in 0..w {
+ let t = clip_u8(( i16::from(*src)
+ - 5 * i16::from(*src.add(step))
+ + 20 * i16::from(*src.add(step * 2))
+ + 20 * i16::from(*src.add(step * 3))
+ - 5 * i16::from(*src.add(step * 4))
+ + i16::from(*src.add(step * 5))
+ + 16) >> 5);
+ *dst = ((u16::from(t) + u16::from(*src.add(avgidx)) + 1) >> 1) as u8;
+ src = src.add(1);
+ dst = dst.add(1);
+ }
+ dst = dst.sub(w).add(dstride);
+ src = src.sub(w).add(sstride);
+ }
+ }
+}
+
+fn interp_block2(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize, hor: bool) {
+ unsafe {
+ let step = if hor { 1 } else { sstride };
+ let mut pix = dst.as_mut_ptr();
+ let mut src = src.as_ptr();
+ for _ in 0..h {
+ for x in 0..w {
+ *pix.add(x) = clip_u8(( i16::from(*src)
+ - 5 * i16::from(*src.add(step))
+ + 20 * i16::from(*src.add(step * 2))
+ + 20 * i16::from(*src.add(step * 3))
+ - 5 * i16::from(*src.add(step * 4))
+ + i16::from(*src.add(step * 5))
+ + 16) >> 5);
+ src = src.add(1);
+ }
+ pix = pix.add(dstride);
+ src = src.sub(w);
+ src = src.add(sstride);
+ }
+ }
+}
+
+fn mc_avg_tmp(dst: &mut [u8], dstride: usize, w: usize, h: usize, tmp: &[u8], tmp2: &[u8]) {
+ unsafe {
+ let mut src1 = tmp.as_ptr();
+ let mut src2 = tmp2.as_ptr();
+ let mut dst = dst.as_mut_ptr();
+ for _ in 0..h {
+ for x in 0..w {
+ let a = *src1.add(x);
+ let b = *src2.add(x);
+ *dst.add(x) = ((u16::from(a) + u16::from(b) + 1) >> 1) as u8;
+ }
+ dst = dst.add(dstride);
+ src1 = src1.add(TMP_BUF_STRIDE);
+ src2 = src2.add(TMP_BUF_STRIDE);
+ }
+ }
+}
+
+fn h264_mc00(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
+ unsafe {
+ let mut src = src.as_ptr();
+ let mut dst = dst.as_mut_ptr();
+ for _ in 0..h {
+ std::ptr::copy_nonoverlapping(src, dst, w);
+ src = src.add(sstride);
+ dst = dst.add(dstride);
+ }
+ }
+}
+
+fn h264_mc01(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
+ interp_block1(dst, dstride, &src[sstride * 2..], sstride, w, h, true, true);
+}
+
+fn h264_mc02(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
+ interp_block2(dst, dstride, &src[sstride * 2..], sstride, w, h, true);
+}
+
+fn h264_mc03(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
+ interp_block1(dst, dstride, &src[sstride * 2..], sstride, w, h, true, false);
+}
+
+fn h264_mc10(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
+ interp_block1(dst, dstride, &src[2..], sstride, w, h, false, true);
+}
+
+fn h264_mc11(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
+ let mut tmp : [u8; TMP_BUF_STRIDE * 16] = unsafe { std::mem::MaybeUninit::uninit().assume_init() };
+ let mut tmp2: [u8; TMP_BUF_STRIDE * 16] = unsafe { std::mem::MaybeUninit::uninit().assume_init() };
+ h264_mc02(&mut tmp, TMP_BUF_STRIDE, src, sstride, w, h);
+ h264_mc20(&mut tmp2, TMP_BUF_STRIDE, src, sstride, w, h);
+ mc_avg_tmp(dst, dstride, w, h, &tmp, &tmp2);
+}
+
+fn h264_mc12(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
+ let mut tmp : [u8; TMP_BUF_STRIDE * 16] = unsafe { std::mem::MaybeUninit::uninit().assume_init() };
+ let mut tmp2: [u8; TMP_BUF_STRIDE * 16] = unsafe { std::mem::MaybeUninit::uninit().assume_init() };
+ h264_mc02(&mut tmp, TMP_BUF_STRIDE, src, sstride, w, h);
+ h264_mc22(&mut tmp2, TMP_BUF_STRIDE, src, sstride, w, h);
+ mc_avg_tmp(dst, dstride, w, h, &tmp, &tmp2);
+}
+
+fn h264_mc13(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
+ let mut tmp : [u8; TMP_BUF_STRIDE * 16] = unsafe { std::mem::MaybeUninit::uninit().assume_init() };
+ let mut tmp2: [u8; TMP_BUF_STRIDE * 16] = unsafe { std::mem::MaybeUninit::uninit().assume_init() };
+ h264_mc02(&mut tmp, TMP_BUF_STRIDE, src, sstride, w, h);
+ h264_mc20(&mut tmp2, TMP_BUF_STRIDE, &src[1..], sstride, w, h);
+ mc_avg_tmp(dst, dstride, w, h, &tmp, &tmp2);
+}
+
+fn h264_mc20(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
+ interp_block2(dst, dstride, &src[2..], sstride, w, h, false);
+}
+
+fn h264_mc21(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
+ let mut tmp : [u8; TMP_BUF_STRIDE * 16] = unsafe { std::mem::MaybeUninit::uninit().assume_init() };
+ let mut tmp2: [u8; TMP_BUF_STRIDE * 16] = unsafe { std::mem::MaybeUninit::uninit().assume_init() };
+ h264_mc22(&mut tmp, TMP_BUF_STRIDE, src, sstride, w, h);
+ h264_mc20(&mut tmp2, TMP_BUF_STRIDE, src, sstride, w, h);
+ mc_avg_tmp(dst, dstride, w, h, &tmp, &tmp2);
+}
+
+fn h264_mc22(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
+ let mut tmp: [i32; TMP_BUF_STRIDE * 16] = unsafe { std::mem::MaybeUninit::uninit().assume_init() };
+ unsafe {
+ let mut src = src.as_ptr();
+ let mut dst = tmp.as_mut_ptr();
+ for _ in 0..h {
+ for _ in 0..w+5 {
+ *dst = i32::from(*src)
+ - 5 * i32::from(*src.add(sstride))
+ + 20 * i32::from(*src.add(sstride * 2))
+ + 20 * i32::from(*src.add(sstride * 3))
+ - 5 * i32::from(*src.add(sstride * 4))
+ + i32::from(*src.add(sstride * 5));
+ dst = dst.add(1);
+ src = src.add(1);
+ }
+ src = src.sub(w+5).add(sstride);
+ dst = dst.sub(w+5).add(TMP_BUF_STRIDE);
+ }
+ }
+ unsafe {
+ let mut dst = dst.as_mut_ptr();
+ let mut src = tmp.as_ptr();
+ for _ in 0..h {
+ for _ in 0..w {
+ *dst = clip_u8(((*src - 5 * *src.add(1) + 20 * *src.add(2) + 20 * *src.add(3) - 5 * *src.add(4) + *src.add(5) + 512) >> 10) as i16);
+ dst = dst.add(1);
+ src = src.add(1);
+ }
+ dst = dst.sub(w).add(dstride);
+ src = src.sub(w).add(TMP_BUF_STRIDE);
+ }
+ }
+}
+
+fn h264_mc23(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
+ let mut tmp : [u8; TMP_BUF_STRIDE * 16] = unsafe { std::mem::MaybeUninit::uninit().assume_init() };
+ let mut tmp2: [u8; TMP_BUF_STRIDE * 16] = unsafe { std::mem::MaybeUninit::uninit().assume_init() };
+ h264_mc22(&mut tmp, TMP_BUF_STRIDE, src, sstride, w, h);
+ h264_mc20(&mut tmp2, TMP_BUF_STRIDE, &src[1..], sstride, w, h);
+ mc_avg_tmp(dst, dstride, w, h, &tmp, &tmp2);
+}
+
+fn h264_mc30(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
+ interp_block1(dst, dstride, &src[2..], sstride, w, h, false, false);
+}
+
+fn h264_mc31(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
+ let mut tmp : [u8; TMP_BUF_STRIDE * 16] = unsafe { std::mem::MaybeUninit::uninit().assume_init() };
+ let mut tmp2: [u8; TMP_BUF_STRIDE * 16] = unsafe { std::mem::MaybeUninit::uninit().assume_init() };
+ h264_mc20(&mut tmp, TMP_BUF_STRIDE, src, sstride, w, h);
+ h264_mc02(&mut tmp2, TMP_BUF_STRIDE, &src[sstride..], sstride, w, h);
+ mc_avg_tmp(dst, dstride, w, h, &tmp, &tmp2);
+}
+
+fn h264_mc32(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
+ let mut tmp : [u8; TMP_BUF_STRIDE * 16] = unsafe { std::mem::MaybeUninit::uninit().assume_init() };
+ let mut tmp2: [u8; TMP_BUF_STRIDE * 16] = unsafe { std::mem::MaybeUninit::uninit().assume_init() };
+ h264_mc22(&mut tmp, TMP_BUF_STRIDE, src, sstride, w, h);
+ h264_mc02(&mut tmp2, TMP_BUF_STRIDE, &src[sstride..], sstride, w, h);
+ mc_avg_tmp(dst, dstride, w, h, &tmp, &tmp2);
+}
+
+fn h264_mc33(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) {
+ let mut tmp : [u8; TMP_BUF_STRIDE * 16] = unsafe { std::mem::MaybeUninit::uninit().assume_init() };
+ let mut tmp2: [u8; TMP_BUF_STRIDE * 16] = unsafe { std::mem::MaybeUninit::uninit().assume_init() };
+ h264_mc20(&mut tmp, TMP_BUF_STRIDE, &src[1..], sstride, w, h);
+ h264_mc02(&mut tmp2, TMP_BUF_STRIDE, &src[sstride..], sstride, w, h);
+ mc_avg_tmp(dst, dstride, w, h, &tmp, &tmp2);
+}
+
+
+pub fn chroma_interp(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, dx: u16, dy: u16, w: usize, h: usize) {
+ let a0 = 8 - dx;
+ let a1 = dx;
+ let b0 = 8 - dy;
+ let b1 = dy;
+
+ if a0 == 8 && b0 == 8 {
+ unsafe {
+ let mut src = src.as_ptr();
+ let mut dst = dst.as_mut_ptr();
+ for _ in 0..h {
+ std::ptr::copy_nonoverlapping(src, dst, w);
+ src = src.add(sstride);
+ dst = dst.add(dstride);
+ }
+ }
+ } else if a0 == 8 {
+ unsafe {
+ let mut src0 = src.as_ptr();
+ let mut src1 = src0.add(sstride);
+ let mut dst = dst.as_mut_ptr();
+ for _ in 0..h {
+ for x in 0..w {
+ let a = *src0.add(x);
+ let b = *src1.add(x);
+ *dst.add(x) = ((u16::from(a) * b0 + u16::from(b) * b1 + 4) >> 3) as u8;
+ }
+ src0 = src0.add(sstride);
+ src1 = src1.add(sstride);
+ dst = dst.add(dstride);
+ }
+ }
+ } else if b0 == 8 {
+ unsafe {
+ let mut src = src.as_ptr();
+ let mut dst = dst.as_mut_ptr();
+ for _ in 0..h {
+ let mut a = *src;
+ for x in 0..w {
+ let b = *src.add(x + 1);
+ *dst.add(x) = ((u16::from(a) * a0 + u16::from(b) * a1 + 4) >> 3) as u8;
+ a = b;
+ }
+ src = src.add(sstride);
+ dst = dst.add(dstride);
+ }
+ }
+ } else {
+ unsafe {
+ let mut src0 = src.as_ptr();
+ let mut src1 = src0.add(sstride);
+ let mut dst = dst.as_mut_ptr();
+ for _ in 0..h {
+ let mut a = *src0;
+ let mut c = *src1;
+ for x in 0..w {
+ let b = *src0.add(x + 1);
+ let d = *src1.add(x + 1);
+ *dst.add(x) = ((u16::from(a) * a0 * b0 + u16::from(b) * a1 * b0 + u16::from(c) * a0 * b1 + u16::from(d) * a1 * b1 + 0x20) >> 6) as u8;
+ a = b;
+ c = d;
+ }
+ src0 = src0.add(sstride);
+ src1 = src1.add(sstride);
+ dst = dst.add(dstride);
+ }
+ }
+ }
+}
+
+pub const H264_LUMA_INTERP: &[BlkInterpFunc] = &[
+ h264_mc00, h264_mc01, h264_mc02, h264_mc03,
+ h264_mc10, h264_mc11, h264_mc12, h264_mc13,
+ h264_mc20, h264_mc21, h264_mc22, h264_mc23,
+ h264_mc30, h264_mc31, h264_mc32, h264_mc33
+];