+++ /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