--- /dev/null
+use super::ivi::{IVITransformType,TDir,TrFunc,TrFuncDC};
+
+#[inline(always)]
+fn hbutterfly(a: i32, b: i32) -> (i32, i32) {
+ ((a + b) >> 1, (a - b) >> 1)
+}
+#[inline(always)]
+fn butterfly(a: i32, b: i32) -> (i32, i32) {
+ (a + b, a - b)
+}
+#[inline(always)]
+fn ireflect(a: i32, b: i32) -> (i32, i32) {
+ (((b * 2 - a + 2) >> 2) - a, ((b + 2 * a + 2) >> 2) + b)
+}
+
+macro_rules! haar_transform {
+ ($c0:expr, $c1:expr, $c2:expr, $c3:expr) => {{
+ let (t0, t1) = hbutterfly($c0, $c1);
+ let (t2, t3) = hbutterfly(t0, $c2);
+ $c0 = t2;
+ $c1 = t3;
+ let (t4, t5) = hbutterfly(t1, $c3);
+ $c2 = t4;
+ $c3 = t5;
+ }};
+ ($c0:expr, $c1:expr, $c2:expr, $c3:expr, $c4:expr, $c5:expr, $c6:expr, $c7:expr) => {{
+ let (a0, a1) = hbutterfly($c0 << 1, $c1 << 1);
+
+ let (t0, t1) = hbutterfly(a0, $c2);
+ let (t2, t3) = hbutterfly(a1, $c3);
+ let (u0, u1) = hbutterfly(t0, $c4);
+ let (u2, u3) = hbutterfly(t1, $c5);
+ let (u4, u5) = hbutterfly(t2, $c6);
+ let (u6, u7) = hbutterfly(t3, $c7);
+
+ $c0 = u0;
+ $c1 = u1;
+ $c2 = u2;
+ $c3 = u3;
+ $c4 = u4;
+ $c5 = u5;
+ $c6 = u6;
+ $c7 = u7;
+ }};
+}
+macro_rules! slant_transform {
+ ($c0:expr, $c1:expr, $c2:expr, $c3:expr, $output:ident) => {{
+ let (t0, t1) = butterfly($c0, $c2);
+ let (t2, t3) = ireflect ($c3, $c1);
+ let (t4, t5) = butterfly(t0, t3);
+ let (t6, t7) = butterfly(t1, t2);
+ $c0 = $output(t4);
+ $c1 = $output(t6);
+ $c2 = $output(t7);
+ $c3 = $output(t5);
+ }};
+ ($c0:expr, $c1:expr, $c2:expr, $c3:expr, $c4:expr, $c5:expr, $c6:expr, $c7:expr, $output:ident) => {{
+ let t0 = $c3 + (($c1 * 4 - $c3 + 4) >> 3);
+ let t1 = $c1 + ((-$c1 - $c3 * 4 + 4) >> 3);
+
+ let (t2, t3) = butterfly($c0, t1);
+ let (t4, t5) = butterfly($c4, $c5);
+ let (t6, t7) = butterfly($c7, $c6);
+ let (t8, t9) = butterfly(t0, $c2);
+
+ let (u0, u1) = butterfly(t2, t4);
+ let (u2, u3) = ireflect (t7, t8);
+ let (u4, u5) = butterfly(t3, t5);
+ let (u6, u7) = ireflect (t6, t9);
+
+ let (t0, t1) = butterfly(u0, u3);
+ let (t2, t3) = butterfly(u1, u2);
+ let (t4, t5) = butterfly(u4, u7);
+ let (t6, t7) = butterfly(u5, u6);
+
+ $c0 = $output(t0);
+ $c1 = $output(t2);
+ $c2 = $output(t3);
+ $c3 = $output(t1);
+ $c4 = $output(t4);
+ $c5 = $output(t6);
+ $c6 = $output(t7);
+ $c7 = $output(t5);
+ }};
+}
+
+fn haar8x8_2d(blk: &mut[i32; 64]) {
+ for i in 0..4 {
+ let mut c0 = blk[i + 0*8] << 1;
+ let mut c1 = blk[i + 1*8] << 1;
+ let mut c2 = blk[i + 2*8] << 1;
+ let mut c3 = blk[i + 3*8] << 1;
+ haar_transform!(c0, c1, c2, c3,
+ blk[i + 4*8], blk[i + 5*8], blk[i + 6*8], blk[i + 7*8]);
+ blk[i + 0*8] = c0;
+ blk[i + 1*8] = c1;
+ blk[i + 2*8] = c2;
+ blk[i + 3*8] = c3;
+ }
+ for i in 4..8 {
+ haar_transform!(blk[i + 0*8], blk[i + 1*8], blk[i + 2*8], blk[i + 3*8],
+ blk[i + 4*8], blk[i + 5*8], blk[i + 6*8], blk[i + 7*8]);
+ }
+ for i in 0..8 {
+ let row = &mut blk[i*8..(i+1)*8];
+ haar_transform!(row[0], row[1], row[2], row[3], row[4], row[5], row[6], row[7]);
+ }
+}
+fn haar8x8_row(blk: &mut[i32; 64]) {
+ for i in 0..8 {
+ let row = &mut blk[i*8..(i+1)*8];
+ haar_transform!(row[0], row[1], row[2], row[3], row[4], row[5], row[6], row[7]);
+ }
+}
+fn haar8x8_col(blk: &mut[i32; 64]) {
+ for i in 0..8 {
+ haar_transform!(blk[i + 0*8], blk[i + 1*8], blk[i + 2*8], blk[i + 3*8],
+ blk[i + 4*8], blk[i + 5*8], blk[i + 6*8], blk[i + 7*8]);
+ }
+}
+fn haar8x8_dc(blk: &mut[i32; 64], in0: i32) {
+ let dc = in0 >> 3;
+ for i in 0..64 { blk[i] = dc; }
+}
+
+fn haar4x4_2d(blk: &mut[i32; 64]) {
+ for i in 0..2 {
+ let mut c0 = blk[i + 0*4] << 1;
+ let mut c1 = blk[i + 1*4] << 1;
+ haar_transform!(c0, c1, blk[i + 2*4], blk[i + 3*4]);
+ blk[i + 0*4] = c0;
+ blk[i + 1*4] = c1;
+ }
+ for i in 2..4 {
+ haar_transform!(blk[i + 0*4], blk[i + 1*4], blk[i + 2*4], blk[i + 3*4]);
+ }
+ for i in 0..4 {
+ let row = &mut blk[i*4..(i+1)*4];
+ haar_transform!(row[0], row[1], row[2], row[3]);
+ }
+}
+fn haar4x4_row(blk: &mut[i32; 64]) {
+ for i in 0..4 {
+ let row = &mut blk[i*4..(i+1)*4];
+ haar_transform!(row[0], row[1], row[2], row[3]);
+ }
+}
+fn haar4x4_col(blk: &mut[i32; 64]) {
+ for i in 0..4 {
+ haar_transform!(blk[i + 0*4], blk[i + 1*4], blk[i + 2*4], blk[i + 3*4]);
+ }
+}
+fn haar4x4_dc(blk: &mut[i32; 64], in0: i32) {
+ let dc = in0 >> 3;
+ for i in 0..16 { blk[i] = dc; }
+}
+
+fn slant8x8_2d(blk: &mut[i32; 64]) {
+ let pass1 = |x: i32| x;
+ let pass2 = |x: i32| (x + 1) >> 1;
+
+ for i in 0..8 {
+ let mut s0 = 0;
+ for j in 0..8 { s0 |= blk[i + j*8]; }
+ if s0 == 0 { continue; }
+
+ slant_transform!(blk[i + 0*8], blk[i + 1*8], blk[i + 2*8], blk[i + 3*8],
+ blk[i + 4*8], blk[i + 5*8], blk[i + 6*8], blk[i + 7*8], pass1);
+ }
+ for i in 0..8 {
+ let row = &mut blk[i*8..(i+1)*8];
+ slant_transform!(row[0], row[1], row[2], row[3], row[4], row[5], row[6], row[7], pass2);
+ }
+}
+fn slant8x8_2d_dc(blk: &mut[i32; 64], in0: i32) {
+ let dc = (in0 + 1) >> 1;
+ for i in 0..64 { blk[i] = dc; }
+}
+fn slant8x8_row(blk: &mut[i32; 64]) {
+ let pass = |x: i32| (x + 1) >> 1;
+
+ for i in 0..8 {
+ let row = &mut blk[i*8..(i+1)*8];
+ slant_transform!(row[0], row[1], row[2], row[3], row[4], row[5], row[6], row[7], pass);
+ }
+}
+fn slant8x8_row_dc(blk: &mut[i32; 64], in0: i32) {
+ let dc = (in0 + 1) >> 1;
+
+ for i in 0..8 { blk[i] = dc; }
+ for i in 8..64 { blk[i] = 0; }
+}
+fn slant8x8_col(blk: &mut[i32; 64]) {
+ let pass = |x: i32| (x + 1) >> 1;
+
+ for i in 0..8 {
+ slant_transform!(blk[i + 0*8], blk[i + 1*8], blk[i + 2*8], blk[i + 3*8],
+ blk[i + 4*8], blk[i + 5*8], blk[i + 6*8], blk[i + 7*8], pass);
+ }
+}
+fn slant8x8_col_dc(blk: &mut[i32; 64], in0: i32) {
+ let dc = (in0 + 1) >> 1;
+
+ for i in 0..8 {
+ blk[i * 8] = dc;
+ for j in 1..8 { blk[i * 8 + j] = 0; }
+ }
+}
+
+fn slant4x4_2d(blk: &mut[i32; 64]) {
+ let pass1 = |x: i32| x;
+ let pass2 = |x: i32| (x + 1) >> 1;
+
+ for i in 0..4 {
+ slant_transform!(blk[i + 0*4], blk[i + 1*4], blk[i + 2*4], blk[i + 3*4], pass1);
+ }
+ for i in 0..4 {
+ let row = &mut blk[i*4..(i+1)*4];
+ slant_transform!(row[0], row[1], row[2], row[3], pass2);
+ }
+}
+fn slant4x4_2d_dc(blk: &mut[i32; 64], in0: i32) {
+ let dc = (in0 + 1) >> 1;
+ for i in 0..16 { blk[i] = dc; }
+}
+fn slant4x4_row(blk: &mut[i32; 64]) {
+ let pass = |x: i32| (x + 1) >> 1;
+
+ for i in 0..4 {
+ let row = &mut blk[i*4..(i+1)*4];
+ slant_transform!(row[0], row[1], row[2], row[3], pass);
+ }
+}
+fn slant4x4_row_dc(blk: &mut[i32; 64], in0: i32) {
+ let dc = (in0 + 1) >> 1;
+
+ for i in 0..4 { blk[i] = dc; }
+ for i in 4..16 { blk[i] = 0; }
+}
+fn slant4x4_col(blk: &mut[i32; 64]) {
+ let pass = |x: i32| (x + 1) >> 1;
+
+ for i in 0..4 {
+ slant_transform!(blk[i + 0*4], blk[i + 1*4], blk[i + 2*4], blk[i + 3*4], pass);
+ }
+}
+fn slant4x4_col_dc(blk: &mut[i32; 64], in0: i32) {
+ let dc = (in0 + 1) >> 1;
+
+ for i in 0..4 {
+ blk[i * 4] = dc;
+ for j in 1..4 { blk[i * 4 + j] = 0; }
+ }
+}
+
+#[allow(unused_variables)]
+fn none8x8(blk: &mut[i32; 64]) {
+}
+fn none8x8_dc(blk: &mut[i32; 64], dc: i32) {
+ for i in 1..8 { blk[i] = dc; }
+ for i in 8..64 { blk[i] = 0; }
+}
+#[allow(unused_variables)]
+fn none4x4(blk: &mut[i32; 64]) {
+}
+fn none4x4_dc(blk: &mut[i32; 64], dc: i32) {
+ for i in 1..4 { blk[i] = dc; }
+ for i in 4..16 { blk[i] = 0; }
+}
+
+pub fn ivi_get_transform8x8_funcs(ttype: IVITransformType) -> (TrFunc, TrFuncDC) {
+ match ttype {
+ IVITransformType::Haar(_, ref dir) => {
+ match *dir {
+ TDir::TwoD => { (haar8x8_2d, haar8x8_dc) },
+ TDir::Row => { (haar8x8_row, haar8x8_dc) },
+ TDir::Col => { (haar8x8_col, haar8x8_dc) },
+ } },
+ IVITransformType::Slant(_, ref dir) => {
+ match *dir {
+ TDir::TwoD => { (slant8x8_2d, slant8x8_2d_dc) },
+ TDir::Row => { (slant8x8_row, slant8x8_row_dc) },
+ TDir::Col => { (slant8x8_col, slant8x8_col_dc) },
+ } },
+ IVITransformType::DCT(_, _) => { unimplemented!() },
+ IVITransformType::None(_) => { (none8x8, none8x8_dc) }
+ }
+}
+pub fn ivi_get_transform4x4_funcs(ttype: IVITransformType) -> (TrFunc, TrFuncDC) {
+ match ttype {
+ IVITransformType::Haar(_, ref dir) => {
+ match *dir {
+ TDir::TwoD => { (haar4x4_2d, haar4x4_dc) },
+ TDir::Row => { (haar4x4_row, haar4x4_dc) },
+ TDir::Col => { (haar4x4_col, haar4x4_dc) },
+ } },
+ IVITransformType::Slant(_, ref dir) => {
+ match *dir {
+ TDir::TwoD => { (slant4x4_2d, slant4x4_2d_dc) },
+ TDir::Row => { (slant4x4_row, slant4x4_row_dc) },
+ TDir::Col => { (slant4x4_col, slant4x4_col_dc) },
+ } },
+ IVITransformType::DCT(_, _) => { unimplemented!() },
+ IVITransformType::None(_) => { (none4x4, none4x4_dc) }
+ }
+}
+
+pub fn ivi_mc_put(dst: &mut [i16], dstride: usize, src: &[i16], sstride: usize, mode: u8, w: usize, h: usize) {
+ let mut sidx = 0;
+ let mut didx = 0;
+ if src.len() < w + h * sstride { return; }
+ match mode {
+ 0 => {
+ for _ in 0..h {
+ let dest = &mut dst[didx..didx+w];
+ dest.copy_from_slice(&src[sidx..sidx+w]);
+ sidx += sstride;
+ didx += dstride;
+ }
+ },
+ 1 => {
+ /*for _ in 0..h {
+ for x in 0..w {
+ let val = (src[sidx + x] + src[sidx + x + 1]) >> 1;
+ dst[didx + x] = val;
+ }
+ sidx += sstride;
+ didx += dstride;
+ }*/
+ unsafe {
+ let mut sptr = src.as_ptr();
+ let mut dptr = dst.as_mut_ptr();
+ for _ in 0..h {
+ let mut last = *sptr;
+ for x in 0..w {
+ let nv = *sptr.offset((x + 1) as isize);
+ *dptr.offset(x as isize) = nv.wrapping_add(last) >> 1;
+ last = nv;
+ }
+ sptr = sptr.offset(sstride as isize);
+ dptr = dptr.offset(dstride as isize);
+ }
+ }
+ },
+ 2 => {
+ /*for _ in 0..h {
+ for x in 0..w {
+ let val = (src[sidx + x] + src[sidx + x + sstride]) >> 1;
+ dst[didx + x] = val;
+ }
+ sidx += sstride;
+ didx += dstride;
+ }*/
+ unsafe {
+ let mut sptr0 = src.as_ptr();
+ let mut sptr1 = sptr0.offset(sstride as isize);
+ let mut dptr = dst.as_mut_ptr();
+ for _ in 0..h {
+ for x in 0..w {
+ let a = *sptr0.offset(x as isize);
+ let b = *sptr1.offset(x as isize);
+ *dptr.offset(x as isize) = a.wrapping_add(b) >> 1;
+ }
+ sptr0 = sptr0.offset(sstride as isize);
+ sptr1 = sptr1.offset(sstride as isize);
+ dptr = dptr.offset(sstride as isize);
+ }
+ }
+ },
+ 3 => {
+ /*for _ in 0..h {
+ for x in 0..w {
+ let val = (src[sidx + x + 0] + src[sidx + x + sstride + 0] +
+ src[sidx + x + 1] + src[sidx + x + sstride + 1]) >> 2;
+ dst[didx + x] = val;
+ }
+ sidx += sstride;
+ didx += dstride;
+ }*/
+ unsafe {
+ let mut sptr0 = src.as_ptr();
+ let mut sptr1 = sptr0.offset(sstride as isize);
+ let mut dptr = dst.as_mut_ptr();
+ let mut la = *sptr0;
+ let mut lb = *sptr1;
+ for _ in 0..h {
+ for x in 0..w {
+ let a = *sptr0.offset((x + 1) as isize);
+ let b = *sptr1.offset((x + 1) as isize);
+ let aas = a.wrapping_add(la);
+ let bbs = b.wrapping_add(lb);
+ *dptr.offset(x as isize) = aas.wrapping_add(bbs) >> 2;
+ la = a;
+ lb = b;
+ }
+ sptr0 = sptr0.offset(sstride as isize);
+ sptr1 = sptr1.offset(sstride as isize);
+ dptr = dptr.offset(dstride as isize);
+ }
+ }
+ },
+ _ => {},
+ }
+}
+fn ivi_mc_add(dst: &mut [i16], dstride: usize, src: &[i16], sstride: usize, mode: u8, w: usize, h: usize) {
+ let mut sidx = 0;
+ let mut didx = 0;
+ match mode {
+ 0 => {
+ for _ in 0..h {
+ for x in 0..w {
+ dst[didx + x] += src[sidx + x];
+ }
+ sidx += sstride;
+ didx += dstride;
+ }
+ },
+ 1 => {
+ for _ in 0..h {
+ for x in 0..w {
+ let val = (src[sidx + x] + src[sidx + x + 1]) >> 1;
+ dst[didx + x] += val;
+ }
+ sidx += sstride;
+ didx += dstride;
+ }
+ },
+ 2 => {
+ for _ in 0..h {
+ for x in 0..w {
+ let val = (src[sidx + x] + src[sidx + x + sstride]) >> 1;
+ dst[didx + x] += val;
+ }
+ sidx += sstride;
+ didx += dstride;
+ }
+ },
+ 3 => {
+ for _ in 0..h {
+ for x in 0..w {
+ let val = (src[sidx + x + 0] + src[sidx + x + sstride + 0] +
+ src[sidx + x + 1] + src[sidx + x + sstride + 1]) >> 2;
+ dst[didx + x] += val;
+ }
+ sidx += sstride;
+ didx += dstride;
+ }
+ },
+ _ => {},
+ }
+}
+pub fn ivi_mc_avg(dst: &mut [i16], dstride: usize,
+ src1: &[i16], sstride1: usize, mode1: u8,
+ src2: &[i16], sstride2: usize, mode2: u8,
+ w: usize, h: usize) {
+ let mut tidx = 0;
+ let tstride = 8;
+ let mut didx = 0;
+ let mut tmp: [i16; 64] = [0; 64];
+ ivi_mc_add(&mut tmp, tstride, src1, sstride1, mode1, w, h);
+ ivi_mc_add(&mut tmp, tstride, src2, sstride2, mode2, w, h);
+ for _ in 0..h {
+ for x in 0..w { dst[didx + x] = tmp[tidx + x] >> 1; }
+ tidx += tstride;
+ didx += dstride;
+ }
+}
projects / nihav.git / blobdiff