--- /dev/null
+use nihav_core::frame::{FrameType, NAVideoBuffer};
+use nihav_core::codecs::MV;
+use nihav_core::codecs::blockdsp::edge_emu;
+use super::rv3040::{RV34DSP, RV34MBInfo};
+
+fn clip8(a: i16) -> u8 {
+ if a < 0 { 0 }
+ else if a > 255 { 255 }
+ else { a as u8 }
+}
+
+macro_rules! el {
+ ($s: ident, $o: expr) => ( $s[$o] as i16 )
+}
+
+macro_rules! filter {
+ (01; $s: ident, $o: expr, $step: expr) => (
+ clip8((( el!($s, $o - 2 * $step)
+ -5 * el!($s, $o - 1 * $step)
+ +52 * el!($s, $o - 0 * $step)
+ +20 * el!($s, $o + 1 * $step)
+ -5 * el!($s, $o + 2 * $step)
+ + el!($s, $o + 3 * $step) + 32) >> 6) as i16)
+ );
+ (02; $s: ident, $o: expr, $step: expr) => (
+ clip8((( el!($s, $o - 2 * $step)
+ -5 * el!($s, $o - 1 * $step)
+ +20 * el!($s, $o - 0 * $step)
+ +20 * el!($s, $o + 1 * $step)
+ -5 * el!($s, $o + 2 * $step)
+ + el!($s, $o + 3 * $step) + 16) >> 5) as i16)
+ );
+ (03; $s: ident, $o: expr, $step: expr) => (
+ clip8((( el!($s, $o - 2 * $step)
+ -5 * el!($s, $o - 1 * $step)
+ +20 * el!($s, $o - 0 * $step)
+ +52 * el!($s, $o + 1 * $step)
+ -5 * el!($s, $o + 2 * $step)
+ + el!($s, $o + 3 * $step) + 32) >> 6) as i16)
+ );
+}
+
+macro_rules! mc_func {
+ (copy; $name: ident, $size: expr) => (
+ fn $name (dst: &mut [u8], mut didx: usize, dstride: usize, src: &[u8], mut sidx: usize, sstride: usize) {
+ for _ in 0..$size {
+ let d = &mut dst[didx..][..$size];
+ let s = &src[sidx..][..$size];
+ for x in 0..$size { d[x] = s[x]; }
+ didx += dstride;
+ sidx += sstride;
+ }
+ }
+ );
+ (mc01; $name: ident, $size: expr, $ver: expr) => (
+ fn $name (dst: &mut [u8], mut didx: usize, dstride: usize, src: &[u8], mut sidx: usize, sstride: usize) {
+ let step = if $ver { sstride } else { 1 };
+ for _ in 0..$size {
+ for x in 0..$size {
+ dst[didx + x] = filter!(01; src, sidx + x, step);
+ }
+ sidx += sstride;
+ didx += dstride;
+ }
+ }
+ );
+ (mc02; $name: ident, $size: expr, $ver: expr) => (
+ fn $name (dst: &mut [u8], mut didx: usize, dstride: usize, src: &[u8], mut sidx: usize, sstride: usize) {
+ let step = if $ver { sstride } else { 1 };
+ for _ in 0..$size {
+ for x in 0..$size {
+ dst[didx + x] = filter!(02; src, sidx + x, step);
+ }
+ sidx += sstride;
+ didx += dstride;
+ }
+ }
+ );
+ (mc03; $name: ident, $size: expr, $ver: expr) => (
+ fn $name (dst: &mut [u8], mut didx: usize, dstride: usize, src: &[u8], mut sidx: usize, sstride: usize) {
+ let step = if $ver { sstride } else { 1 };
+ for _ in 0..$size {
+ for x in 0..$size {
+ dst[didx + x] = filter!(03; src, sidx + x, step);
+ }
+ sidx += sstride;
+ didx += dstride;
+ }
+ }
+ );
+ (cm01; $name: ident, $size: expr, $ofilt: ident) => (
+ fn $name (dst: &mut [u8], didx: usize, dstride: usize, src: &[u8], mut sidx: usize, sstride: usize) {
+ let mut buf: [u8; ($size + 5) * $size] = [0; ($size + 5) * $size];
+ let mut bidx = 0;
+ let bstride = $size;
+ sidx -= sstride * 2;
+ for _ in 0..$size+5 {
+ for x in 0..$size { buf[bidx + x] = filter!(01; src, sidx + x, 1); }
+ bidx += bstride;
+ sidx += sstride;
+ }
+ $ofilt(dst, didx, dstride, &buf, 2*bstride, $size);
+ }
+ );
+ (cm02; $name: ident, $size: expr, $ofilt: ident) => (
+ fn $name (dst: &mut [u8], didx: usize, dstride: usize, src: &[u8], mut sidx: usize, sstride: usize) {
+ let mut buf: [u8; ($size + 5) * $size] = [0; ($size + 5) * $size];
+ let mut bidx = 0;
+ let bstride = $size;
+ sidx -= sstride * 2;
+ for _ in 0..$size+5 {
+ for x in 0..$size { buf[bidx + x] = filter!(02; src, sidx + x, 1); }
+ bidx += bstride;
+ sidx += sstride;
+ }
+ $ofilt(dst, didx, dstride, &buf, 2*bstride, $size);
+ }
+ );
+ (cm03; $name: ident, $size: expr, $ofilt: ident) => (
+ fn $name (dst: &mut [u8], didx: usize, dstride: usize, src: &[u8], mut sidx: usize, sstride: usize) {
+ let mut buf: [u8; ($size + 5) * $size] = [0; ($size + 5) * $size];
+ let mut bidx = 0;
+ let bstride = $size;
+ sidx -= sstride * 2;
+ for _ in 0..$size+5 {
+ for x in 0..$size { buf[bidx + x] = filter!(03; src, sidx + x, 1); }
+ bidx += bstride;
+ sidx += sstride;
+ }
+ $ofilt(dst, didx, dstride, &buf, 2*bstride, $size);
+ }
+ );
+}
+mc_func!(copy; copy_16, 16);
+mc_func!(copy; copy_8, 8);
+mc_func!(mc01; luma_mc_10_16, 16, false);
+mc_func!(mc01; luma_mc_10_8, 8, false);
+mc_func!(mc02; luma_mc_20_16, 16, false);
+mc_func!(mc02; luma_mc_20_8, 8, false);
+mc_func!(mc03; luma_mc_30_16, 16, false);
+mc_func!(mc03; luma_mc_30_8, 8, false);
+mc_func!(mc01; luma_mc_01_16, 16, true);
+mc_func!(mc01; luma_mc_01_8, 8, true);
+mc_func!(mc02; luma_mc_02_16, 16, true);
+mc_func!(mc02; luma_mc_02_8, 8, true);
+mc_func!(mc03; luma_mc_03_16, 16, true);
+mc_func!(mc03; luma_mc_03_8, 8, true);
+mc_func!(cm01; luma_mc_11_16, 16, luma_mc_01_16);
+mc_func!(cm01; luma_mc_11_8, 8, luma_mc_01_8);
+mc_func!(cm01; luma_mc_12_16, 16, luma_mc_02_16);
+mc_func!(cm01; luma_mc_12_8, 8, luma_mc_02_8);
+mc_func!(cm01; luma_mc_13_16, 16, luma_mc_03_16);
+mc_func!(cm01; luma_mc_13_8, 8, luma_mc_03_8);
+mc_func!(cm02; luma_mc_21_16, 16, luma_mc_01_16);
+mc_func!(cm02; luma_mc_21_8, 8, luma_mc_01_8);
+mc_func!(cm02; luma_mc_22_16, 16, luma_mc_02_16);
+mc_func!(cm02; luma_mc_22_8, 8, luma_mc_02_8);
+mc_func!(cm02; luma_mc_23_16, 16, luma_mc_03_16);
+mc_func!(cm02; luma_mc_23_8, 8, luma_mc_03_8);
+mc_func!(cm03; luma_mc_31_16, 16, luma_mc_01_16);
+mc_func!(cm03; luma_mc_31_8, 8, luma_mc_01_8);
+mc_func!(cm03; luma_mc_32_16, 16, luma_mc_02_16);
+mc_func!(cm03; luma_mc_32_8, 8, luma_mc_02_8);
+mc_func!(cm03; luma_mc_33_16, 16, luma_mc_03_16);
+mc_func!(cm03; luma_mc_33_8, 8, luma_mc_03_8);
+
+const RV40_CHROMA_BIAS: [[u16; 4]; 4] = [
+ [ 0, 4, 8, 4 ],
+ [ 8, 7, 8, 7 ],
+ [ 0, 8, 4, 8 ],
+ [ 8, 7, 8, 7 ]
+];
+
+fn rv40_chroma_mc(dst: &mut [u8], mut didx: usize, dstride: usize, src: &[u8], mut sidx: usize, sstride: usize, size: usize, x: usize, y: usize) {
+ if (x == 0) && (y == 0) {
+ for _ in 0..size {
+ for x in 0..size { dst[didx + x] = src[sidx + x]; }
+ didx += dstride;
+ sidx += sstride;
+ }
+ return;
+ }
+ let bias = RV40_CHROMA_BIAS[y >> 1][x >> 1];
+ if (x > 0) && (y > 0) {
+ let a = ((4 - x) * (4 - y)) as u16;
+ let b = (( x) * (4 - y)) as u16;
+ let c = ((4 - x) * ( y)) as u16;
+ let d = (( x) * ( y)) as u16;
+ for _ in 0..size {
+ for x in 0..size {
+ dst[didx + x] = ((a * (src[sidx + x] as u16)
+ + b * (src[sidx + x + 1] as u16)
+ + c * (src[sidx + x + sstride] as u16)
+ + d * (src[sidx + x + 1 + sstride] as u16) + bias) >> 4) as u8;
+ }
+ didx += dstride;
+ sidx += sstride;
+ }
+ } else {
+ let a = ((4 - x) * (4 - y)) as u16;
+ let e = (( x) * (4 - y) + (4 - x) * ( y)) as u16;
+ let step = if y > 0 { sstride } else { 1 };
+ for _ in 0..size {
+ for x in 0..size {
+ dst[didx + x] = ((a * (src[sidx + x] as u16)
+ + e * (src[sidx + x + step] as u16) + bias) >> 4) as u8;
+ }
+ didx += dstride;
+ sidx += sstride;
+ }
+ }
+}
+
+pub struct RV40DSP {
+ luma_mc: [[fn (&mut [u8], usize, usize, &[u8], usize, usize); 16]; 2],
+}
+
+impl RV40DSP {
+ pub fn new() -> Self {
+ RV40DSP {
+ luma_mc: [
+ [ copy_16, luma_mc_10_16, luma_mc_20_16, luma_mc_30_16,
+ luma_mc_01_16, luma_mc_11_16, luma_mc_21_16, luma_mc_31_16,
+ luma_mc_02_16, luma_mc_12_16, luma_mc_22_16, luma_mc_32_16,
+ luma_mc_03_16, luma_mc_13_16, luma_mc_23_16, luma_mc_33_16 ],
+ [ copy_8, luma_mc_10_8, luma_mc_20_8, luma_mc_30_8,
+ luma_mc_01_8, luma_mc_11_8, luma_mc_21_8, luma_mc_31_8,
+ luma_mc_02_8, luma_mc_12_8, luma_mc_22_8, luma_mc_32_8,
+ luma_mc_03_8, luma_mc_13_8, luma_mc_23_8, luma_mc_33_8 ] ],
+ }
+ }
+}
+
+macro_rules! el {
+ ($src: ident, $o: expr) => ($src[$o] as i16);
+}
+
+fn clip_symm(a: i16, lim: i16) -> i16 {
+ if a < -lim {
+ -lim
+ } else if a > lim {
+ lim
+ } else {
+ a
+ }
+}
+
+fn rv40_weak_loop_filter4(pix: &mut [u8], mut off: usize, step: usize, stride: usize,
+ filter_p1: bool, filter_q1: bool, alpha: i16, beta: i16,
+ lim_p0q0: i16, lim_p1: i16, lim_q1: i16) {
+ for _ in 0..4 {
+ let p0 = el!(pix, off - step);
+ let q0 = el!(pix, off);
+
+ let t = q0 - p0;
+ if t == 0 {
+ off += stride;
+ continue;
+ }
+
+ let u = (alpha * t.wrapping_abs()) >> 7;
+ if u > (if filter_p1 && filter_q1 { 2 } else { 3 }) {
+ off += stride;
+ continue;
+ }
+
+ let p2 = el!(pix, off - 3*step);
+ let p1 = el!(pix, off - 2*step);
+ let q1 = el!(pix, off + step);
+ let q2 = el!(pix, off + 2*step);
+
+ let str;
+ if filter_p1 && filter_q1 {
+ str = (t << 2) + (p1 - q1);
+ } else {
+ str = t << 2;
+ }
+
+ let diff = clip_symm((str + 4) >> 3, lim_p0q0);
+ pix[off - step] = clip8(p0 + diff);
+ pix[off ] = clip8(q0 - diff);
+
+ if filter_p1 && ((p1 - p0).wrapping_abs() <= beta) {
+ let p1_diff = ((p1 - p0) + (p1 - p2) - diff) >> 1;
+ pix[off - 2*step] = clip8(p1 - clip_symm(p1_diff, lim_p1));
+ }
+
+ if filter_q1 && ((q1 - q0).wrapping_abs() <= beta) {
+ let q1_diff = ((q1 - q0) + (q1 - q2) + diff) >> 1;
+ pix[off + step] = clip8(q1 - clip_symm(q1_diff, lim_q1));
+ }
+
+ off += stride;
+ }
+}
+
+fn rv40_weak_loop_filter4_h(pix: &mut [u8], off: usize, stride: usize,
+ filter_p1: bool, filter_q1: bool, alpha: i16, beta: i16,
+ lim_p0q0: i16, lim_p1: i16, lim_q1: i16) {
+ rv40_weak_loop_filter4(pix, off, stride, 1, filter_p1, filter_q1, alpha, beta, lim_p0q0, lim_p1, lim_q1);
+}
+fn rv40_weak_loop_filter4_v(pix: &mut [u8], off: usize, stride: usize,
+ filter_p1: bool, filter_q1: bool, alpha: i16, beta: i16,
+ lim_p0q0: i16, lim_p1: i16, lim_q1: i16) {
+ let src = &mut pix[off - 3..][..stride * 3 + 3 + 3];
+ for ch in src.chunks_mut(stride).take(4) {
+ assert!(ch.len() >= 3 + 3);
+ let p0 = el!(ch, 3 - 1);
+ let q0 = el!(ch, 3);
+
+ let t = q0 - p0;
+ if t == 0 {
+ continue;
+ }
+
+ let u = (alpha * t.wrapping_abs()) >> 7;
+ if u > (if filter_p1 && filter_q1 { 2 } else { 3 }) {
+ continue;
+ }
+
+ let p2 = el!(ch, 3 - 3);
+ let p1 = el!(ch, 3 - 2);
+ let q1 = el!(ch, 3 + 1);
+ let q2 = el!(ch, 3 + 2);
+
+ let str;
+ if filter_p1 && filter_q1 {
+ str = (t << 2) + (p1 - q1);
+ } else {
+ str = t << 2;
+ }
+
+ let diff = clip_symm((str + 4) >> 3, lim_p0q0);
+ ch[3 - 1] = clip8(p0 + diff);
+ ch[3 ] = clip8(q0 - diff);
+
+ if filter_p1 && ((p1 - p0).wrapping_abs() <= beta) {
+ let p1_diff = ((p1 - p0) + (p1 - p2) - diff) >> 1;
+ ch[3 - 2] = clip8(p1 - clip_symm(p1_diff, lim_p1));
+ }
+
+ if filter_q1 && ((q1 - q0).wrapping_abs() <= beta) {
+ let q1_diff = ((q1 - q0) + (q1 - q2) + diff) >> 1;
+ ch[3 + 1] = clip8(q1 - clip_symm(q1_diff, lim_q1));
+ }
+ }
+}
+
+
+const RV40_DITHER_L: [i16; 16] = [
+ 0x40, 0x50, 0x20, 0x60, 0x30, 0x50, 0x40, 0x30,
+ 0x50, 0x40, 0x50, 0x30, 0x60, 0x20, 0x50, 0x40
+];
+const RV40_DITHER_R: [i16; 16] = [
+ 0x40, 0x30, 0x60, 0x20, 0x50, 0x30, 0x30, 0x40,
+ 0x40, 0x40, 0x50, 0x30, 0x20, 0x60, 0x30, 0x40
+];
+
+fn sfilter(a: i16, b: i16, c: i16, d: i16, e: i16, dither: i16, clip: bool, lims: i16) -> i16 {
+ let val = (25 * (a + e) + 26 * (b + c + d) + dither) >> 7;
+ if clip {
+ if val < c - lims {
+ c - lims
+ } else if val > c + lims {
+ c + lims
+ } else {
+ c
+ }
+ } else {
+ val
+ }
+}
+
+fn rv40_strong_loop_filter4(pix: &mut [u8], mut off: usize, step: usize, stride: usize,
+ alpha: i16, lims: i16, dmode: usize, chroma: bool) {
+ for i in 0..4 {
+ let p0 = el!(pix, off - step);
+ let q0 = el!(pix, off);
+
+ let t = q0 - p0;
+ if t == 0 {
+ off += stride;
+ continue;
+ }
+
+ let fmode = (alpha * t.wrapping_abs()) >> 7;
+ if fmode > 1 {
+ off += stride;
+ continue;
+ }
+
+ let p3 = el!(pix, off - 4*step);
+ let p2 = el!(pix, off - 3*step);
+ let p1 = el!(pix, off - 2*step);
+ let q1 = el!(pix, off + step);
+ let q2 = el!(pix, off + 2*step);
+ let q3 = el!(pix, off + 3*step);
+
+ let np0 = sfilter(p2, p1, p0, q0, q1, RV40_DITHER_L[dmode + i], fmode != 0, lims);
+ let nq0 = sfilter( p1, p0, q0, q1, q0, RV40_DITHER_R[dmode + i], fmode != 0, lims);
+
+ let np1 = sfilter(p3, p2, p1, np0, q0, RV40_DITHER_L[dmode + i], fmode != 0, lims);
+ let nq1 = sfilter( p0, nq0, q1, q2, q3, RV40_DITHER_R[dmode + i], fmode != 0, lims);
+
+ pix[off - 2*step] = np1 as u8;
+ pix[off - step] = np0 as u8;
+ pix[off] = nq0 as u8;
+ pix[off + step] = nq1 as u8;
+
+ if !chroma {
+ let np2 = sfilter(np0, np1, p2, p3, np1, 64, false, 0);
+ let nq2 = sfilter(nq0, nq1, q2, q3, q2, 64, false, 0);
+ pix[off - 3*step] = np2 as u8;
+ pix[off + 2*step] = nq2 as u8;
+ }
+
+ off += stride;
+ }
+}
+
+fn rv40_loop_strength(pix: &[u8], off: usize, step: usize, stride: usize,
+ beta: i16, beta2: i16, edge: bool) -> (bool, bool, bool) {
+ let mut sum_p1p0 = 0;
+ let mut sum_q1q0 = 0;
+
+ let mut off1 = off;
+ for _ in 0..4 {
+ sum_p1p0 += el!(pix, off1 - 2 * step) - el!(pix, off1 - step);
+ sum_q1q0 += el!(pix, off1 + step) - el!(pix, off1);
+ off1 += stride;
+ }
+
+ let filter_p1 = sum_p1p0.wrapping_abs() < beta * 4;
+ let filter_q1 = sum_q1q0.wrapping_abs() < beta * 4;
+
+ if (!filter_p1 || !filter_q1) || !edge {
+ return (false, filter_p1, filter_q1);
+ }
+
+ let mut sum_p1p2 = 0;
+ let mut sum_q1q2 = 0;
+
+ let mut off1 = off;
+ for _ in 0..4 {
+ sum_p1p2 += el!(pix, off1 - 2 * step) - el!(pix, off1 - 3 * step);
+ sum_q1q2 += el!(pix, off1 + step) - el!(pix, off1 + 2 * step);
+ off1 += stride;
+ }
+
+ let strong = (sum_p1p2.wrapping_abs() < beta2) && (sum_q1q2.wrapping_abs() < beta2);
+
+ (strong, filter_p1, filter_q1)
+}
+
+fn rv40_loop_strength_h(pix: &[u8], off: usize, stride: usize,
+ beta: i16, beta2: i16, edge: bool) -> (bool, bool, bool) {
+ rv40_loop_strength(pix, off, stride, 1, beta, beta2, edge)
+}
+
+fn rv40_loop_strength_v(pix: &[u8], off: usize, stride: usize,
+ beta: i16, beta2: i16, edge: bool) -> (bool, bool, bool) {
+ let src = &pix[off - 3..][..stride * 3 + 3 + 3];
+ let mut sum_p1p0 = 0;
+ let mut sum_q1q0 = 0;
+
+ for ch in src.chunks(stride).take(4) {
+ assert!(ch.len() >= 3 + 3);
+ sum_p1p0 += el!(ch, 3 - 2) - el!(ch, 3 - 1);
+ sum_q1q0 += el!(ch, 3 + 1) - el!(ch, 3);
+ }
+
+ let filter_p1 = sum_p1p0.wrapping_abs() < beta * 4;
+ let filter_q1 = sum_q1q0.wrapping_abs() < beta * 4;
+
+ if (!filter_p1 || !filter_q1) || !edge {
+ return (false, filter_p1, filter_q1);
+ }
+
+ let mut sum_p1p2 = 0;
+ let mut sum_q1q2 = 0;
+
+ for ch in src.chunks(stride).take(4) {
+ assert!(ch.len() >= 3 + 3);
+ sum_p1p2 += el!(ch, 3 - 2) - el!(ch, 3 - 3);
+ sum_q1q2 += el!(ch, 3 + 1) - el!(ch, 3 + 2);
+ }
+
+ let strong = (sum_p1p2.wrapping_abs() < beta2) && (sum_q1q2.wrapping_abs() < beta2);
+
+ (strong, filter_p1, filter_q1)
+}
+
+fn rv40_loop_filter4_h(pix: &mut [u8], off: usize, stride: usize,
+ dmode: usize, lim_p1: i16, lim_q1: i16, alpha: i16, beta: i16, beta2: i16,
+ chroma: bool, edge: bool) {
+ let (strong, filter_p1, filter_q1) = rv40_loop_strength_h(pix, off, stride, beta, beta2, edge);
+ let lims = (filter_p1 as i16) + (filter_q1 as i16) + ((lim_p1 + lim_q1) >> 1) + 1;
+
+ if strong {
+ rv40_strong_loop_filter4(pix, off, stride, 1, alpha, lims, dmode, chroma);
+ } else if filter_p1 && filter_q1 {
+ rv40_weak_loop_filter4_h(pix, off, stride, true, true, alpha, beta,
+ lims, lim_p1, lim_q1);
+ } else if filter_p1 || filter_q1 {
+ rv40_weak_loop_filter4_h(pix, off, stride, filter_p1, filter_q1, alpha, beta,
+ lims >> 1, lim_p1 >> 1, lim_q1 >> 1);
+ }
+}
+
+fn rv40_loop_filter4_v(pix: &mut [u8], off: usize, stride: usize,
+ dmode: usize, lim_p1: i16, lim_q1: i16, alpha: i16, beta: i16, beta2: i16,
+ chroma: bool, edge: bool) {
+ let (strong, filter_p1, filter_q1) = rv40_loop_strength_v(pix, off, stride, beta, beta2, edge);
+ let lims = (filter_p1 as i16) + (filter_q1 as i16) + ((lim_p1 + lim_q1) >> 1) + 1;
+
+ if strong {
+ rv40_strong_loop_filter4(pix, off, 1, stride, alpha, lims, dmode, chroma);
+ } else if filter_p1 && filter_q1 {
+ rv40_weak_loop_filter4_v(pix, off, stride, true, true, alpha, beta,
+ lims, lim_p1, lim_q1);
+ } else if filter_p1 || filter_q1 {
+ rv40_weak_loop_filter4_v(pix, off, stride, filter_p1, filter_q1, alpha, beta,
+ lims >> 1, lim_p1 >> 1, lim_q1 >> 1);
+ }
+}
+
+const RV40_ALPHA_TAB: [i16; 32] = [
+ 128, 128, 128, 128, 128, 128, 128, 128,
+ 128, 128, 122, 96, 75, 59, 47, 37,
+ 29, 23, 18, 15, 13, 11, 10, 9,
+ 8, 7, 6, 5, 4, 3, 2, 1
+];
+
+const RV40_BETA_TAB: [i16; 32] = [
+ 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 3, 4, 4, 4, 6, 6,
+ 6, 7, 8, 8, 9, 9, 10, 10, 11, 11, 12, 13, 14, 15, 16, 17
+];
+
+const RV40_FILTER_CLIP_TBL: [[i16; 32]; 3] = [
+ [
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+ ], [
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 4, 5, 5
+ ], [
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1,
+ 1, 2, 2, 2, 2, 3, 3, 3, 4, 4, 5, 5, 5, 7, 8, 9
+ ]
+];
+
+macro_rules! test_bit {
+ ($pat: expr, $x: expr) => ( (($pat >> $x) & 1) != 0 )
+}
+
+fn check_pos(x: usize, y: usize, size: usize, w: usize, h: usize, dx: i16, dy: i16, e0: isize, e1: isize, e2: isize, e3: isize) -> bool {
+ let xn = (x as isize) + (dx as isize);
+ let yn = (y as isize) + (dy as isize);
+
+ (xn - e0 >= 0) && (xn + (size as isize) + e1 <= (w as isize)) && (yn - e2 >= 0) && (yn + (size as isize) + e3 <= (h as isize))
+}
+
+const RV40_EDGE1: [isize; 4] = [ 0, 2, 2, 2 ];
+const RV40_EDGE2: [isize; 4] = [ 0, 3, 3, 3 ];
+
+impl RV34DSP for RV40DSP {
+ fn loop_filter(&self, frame: &mut NAVideoBuffer<u8>, _ftype: FrameType, mbinfo: &[RV34MBInfo], mb_w: usize, row: usize) {
+ // todo proper B-frame filtering?
+ let mut offs: [usize; 3] = [0; 3];
+ let mut stride: [usize; 3] = [0; 3];
+ let (w, h) = frame.get_dimensions(0);
+ let small_frame = w * h <= 176*144;
+
+ for comp in 0..3 {
+ stride[comp] = frame.get_stride(comp);
+ let start = if comp == 0 { row * 16 } else { row * 8 };
+ offs[comp] = frame.get_offset(comp) + start * stride[comp];
+ }
+
+ let mut data = frame.get_data_mut();
+ let dst: &mut [u8] = data.as_mut_slice();
+
+ let mut mb_pos: usize = row * mb_w;
+ let mut left_q: usize = 0;
+ for mb_x in 0..mb_w {
+ let q = mbinfo[mb_pos].q as usize;
+ let alpha = RV40_ALPHA_TAB[q];
+ let beta = RV40_BETA_TAB[q];
+ let beta_y = if small_frame { beta * 4 } else { beta * 3 };
+ let beta_c = beta * 3;
+
+ let cur_dbk = mbinfo[mb_pos].deblock;
+ let cur_cbp = mbinfo[mb_pos].cbp_c;
+
+ let is_strong = mbinfo[mb_pos].mbtype.is_intra_or_16();
+ let top_is_strong = is_strong || (row > 0 && mbinfo[mb_pos - mb_w].mbtype.is_intra_or_16());
+ let left_is_strong = is_strong || (mb_x > 0 && mbinfo[mb_pos - 1].mbtype.is_intra_or_16());
+
+ for y in 0..4 {
+ let yoff = offs[0] + mb_x * 16 + y * 4 * stride[0];
+ for x in 0..4 {
+ let bpos = x + y * 4;
+ let filter_hor_down = (y != 3) && !is_strong;
+ let filter_ver = (x > 0) || (mb_x > 0);
+ let filter_hor_up = (row > 0) && (x == 0) && top_is_strong;
+ let ver_strong = (x == 0) && (mb_x > 0) && left_is_strong;
+
+ let cur_strength: usize;
+ if is_strong {
+ cur_strength = 2;
+ } else if test_bit!(cur_dbk, bpos) {
+ cur_strength = 1;
+ } else {
+ cur_strength = 0;
+ }
+
+ let left_strength: usize;
+ if x > 0 {
+ if is_strong {
+ left_strength = 2;
+ } else if test_bit!(cur_dbk, bpos - 1) {
+ left_strength = 1;
+ } else {
+ left_strength = 0;
+ }
+ } else if mb_x > 0 {
+ if left_is_strong {
+ left_strength = 2;
+ } else if test_bit!(mbinfo[mb_pos - 1].deblock, bpos + 3) {
+ left_strength = 1;
+ } else {
+ left_strength = 0;
+ }
+ } else {
+ left_strength = 0;
+ }
+
+ let bot_strength: usize;
+ if y < 3 {
+ if is_strong {
+ bot_strength = 2;
+ } else if test_bit!(cur_dbk, bpos + 4) {
+ bot_strength = 1;
+ } else {
+ bot_strength = 0;
+ }
+ } else {
+ bot_strength = 0;
+ }
+
+ let top_strength: usize;
+ if y > 0 {
+ if is_strong {
+ top_strength = 2;
+ } else if test_bit!(cur_dbk, bpos - 4) {
+ top_strength = 1;
+ } else {
+ top_strength = 0;
+ }
+ } else if row > 0 {
+ if top_is_strong {
+ top_strength = 2;
+ } else if test_bit!(mbinfo[mb_pos - mb_w].deblock, bpos + 12) {
+ top_strength = 1;
+ } else {
+ top_strength = 0;
+ }
+ } else {
+ top_strength = 0;
+ }
+
+ let l_q = if x > 0 { q } else { left_q };
+ let top_q = if row > 0 { mbinfo[mb_pos - mb_w].q as usize } else { 0 };
+
+ let lim_cur = RV40_FILTER_CLIP_TBL [cur_strength][q];
+ let lim_top = RV40_FILTER_CLIP_TBL [top_strength][top_q];
+ let lim_left = RV40_FILTER_CLIP_TBL[left_strength][l_q];
+ let lim_bottom = RV40_FILTER_CLIP_TBL [bot_strength][q];
+
+ let dmode = if y > 0 { x + y * 4 } else { x * 4 };
+
+ if filter_hor_down {
+ rv40_loop_filter4_h(dst, yoff + 4 * stride[0] + x * 4, stride[0],
+ dmode, lim_cur, lim_bottom, alpha, beta, beta_y, false, false);
+ }
+ if filter_ver && !ver_strong {
+ rv40_loop_filter4_v(dst, yoff + x * 4, stride[0],
+ dmode, lim_left, lim_cur, alpha, beta, beta_y, false, false);
+ }
+ if filter_hor_up {
+ rv40_loop_filter4_h(dst, yoff + x * 4, stride[0],
+ dmode, lim_top, lim_cur, alpha, beta, beta_y, false, true);
+ }
+ if filter_ver && ver_strong {
+ rv40_loop_filter4_v(dst, yoff + x * 4, stride[0],
+ dmode, lim_left, lim_cur, alpha, beta, beta_y, false, true);
+ }
+ }
+ }
+
+ for comp in 1..3 {
+ for y in 0..2 {
+ let coff = offs[comp] + mb_x * 8 + y * 4 * stride[comp];
+ for x in 0..2 {
+ let bpos = x + y * 2 + (comp - 1) * 4;
+
+ let filter_hor_down = (y != 1) && !is_strong;
+ let filter_ver = (x > 0) || (mb_x > 0);
+ let filter_hor_up = (row > 0) && (x == 0) && top_is_strong;
+ let ver_strong = (x == 0) && (mb_x > 0) && left_is_strong;
+
+ let cur_strength: usize;
+ if is_strong {
+ cur_strength = 2;
+ } else if test_bit!(cur_cbp, bpos) {
+ cur_strength = 1;
+ } else {
+ cur_strength = 0;
+ }
+
+ let left_strength: usize;
+ if x > 0 {
+ if is_strong {
+ left_strength = 2;
+ } else if test_bit!(cur_cbp, bpos - 1) {
+ left_strength = 1;
+ } else {
+ left_strength = 0;
+ }
+ } else if mb_x > 0 {
+ if left_is_strong {
+ left_strength = 2;
+ } else if test_bit!(mbinfo[mb_pos - 1].cbp_c, bpos + 1) {
+ left_strength = 1;
+ } else {
+ left_strength = 0;
+ }
+ } else {
+ left_strength = 0;
+ }
+
+ let bot_strength: usize;
+ if y == 0 {
+ if is_strong {
+ bot_strength = 2;
+ } else if test_bit!(cur_cbp, bpos + 2) {
+ bot_strength = 1;
+ } else {
+ bot_strength = 0;
+ }
+ } else {
+ bot_strength = 0;
+ }
+
+ let top_strength: usize;
+ if y > 0 {
+ if is_strong {
+ top_strength = 2;
+ } else if test_bit!(cur_cbp, bpos - 2) {
+ top_strength = 1;
+ } else {
+ top_strength = 0;
+ }
+ } else if row > 0 {
+ if top_is_strong {
+ top_strength = 2;
+ } else if test_bit!(mbinfo[mb_pos - mb_w].cbp_c, bpos + 2) {
+ top_strength = 1;
+ } else {
+ top_strength = 0;
+ }
+ } else {
+ top_strength = 0;
+ }
+
+ let l_q = if x > 0 { q } else { left_q };
+ let top_q = if row > 0 { mbinfo[mb_pos - mb_w].q as usize } else { 0 };
+
+ let lim_cur = RV40_FILTER_CLIP_TBL [cur_strength][q];
+ let lim_top = RV40_FILTER_CLIP_TBL [top_strength][top_q];
+ let lim_left = RV40_FILTER_CLIP_TBL[left_strength][l_q];
+ let lim_bottom = RV40_FILTER_CLIP_TBL [bot_strength][q];
+
+ if filter_hor_down {
+ rv40_loop_filter4_h(dst, coff + 4 * stride[comp] + x * 4, stride[comp],
+ x * 8, lim_cur, lim_bottom, alpha, beta, beta_c, true, false);
+ }
+ if filter_ver && !ver_strong {
+ rv40_loop_filter4_v(dst, coff + x * 4, stride[comp],
+ y * 8, lim_left, lim_cur, alpha, beta, beta_c, true, false);
+ }
+ if filter_hor_up {
+ rv40_loop_filter4_h(dst, coff + x * 4, stride[comp],
+ x * 8, lim_top, lim_cur, alpha, beta, beta_c, true, true);
+ }
+ if filter_ver && ver_strong {
+ rv40_loop_filter4_v(dst, coff + x * 4, stride[comp],
+ y * 8, lim_left, lim_cur, alpha, beta, beta_c, true, true);
+ }
+ }
+ }
+ }
+
+ left_q = q;
+
+ mb_pos += 1;
+ }
+ }
+ fn do_luma_mc(&self, frame: &mut NAVideoBuffer<u8>, prev_frame: &NAVideoBuffer<u8>, x: usize, y: usize, mv: MV, use16: bool, avg: bool) {
+ let size: usize = if use16 { 16 } else { 8 };
+ let dstride = frame.get_stride(0);
+ let doffset = frame.get_offset(0) + (if !avg { x + y * dstride } else { 0 });
+ let mut data = frame.get_data_mut();
+ let dst: &mut [u8] = data.as_mut_slice();
+
+ let (w_, h_) = prev_frame.get_dimensions(0);
+ let w = (w_ + 15) & !15;
+ let h = (h_ + 15) & !15;
+
+ let dx = mv.x >> 2;
+ let cx = (mv.x & 3) as usize;
+ let dy = mv.y >> 2;
+ let cy = (mv.y & 3) as usize;
+ let mode = cx + cy * 4;
+
+ if check_pos(x, y, size, w, h, dx, dy, RV40_EDGE1[cx], RV40_EDGE2[cx], RV40_EDGE1[cy], RV40_EDGE2[cy]) {
+ let sstride = prev_frame.get_stride(0);
+ let mut soffset = prev_frame.get_offset(0) + x + y * sstride;
+ let data = prev_frame.get_data();
+ let src: &[u8] = data.as_slice();
+ soffset = ((soffset as isize) + (dx as isize) + (dy as isize) * (sstride as isize)) as usize;
+ self.luma_mc[if use16 { 0 } else { 1 }][mode](dst, doffset, dstride, src, soffset, sstride);
+ } else {
+ let mut ebuf: [u8; 32*22] = [0; 32*22];
+ edge_emu(prev_frame, (x as isize) + (dx as isize) - 2, (y as isize) + (dy as isize) - 2, 16+5, 16+5, &mut ebuf, 32, 0);
+ self.luma_mc[if use16 { 0 } else { 1 }][mode](dst, doffset, dstride, &ebuf, 32*2 + 2, 32);
+ }
+ }
+ fn do_chroma_mc(&self, frame: &mut NAVideoBuffer<u8>, prev_frame: &NAVideoBuffer<u8>, x: usize, y: usize, comp: usize, mv: MV, use8: bool, avg: bool) {
+ let size: usize = if use8 { 8 } else { 4 };
+ let dstride = frame.get_stride(comp);
+ let doffset = frame.get_offset(comp) + (if !avg { x + y * dstride } else { 0 });
+ let mut data = frame.get_data_mut();
+ let dst: &mut [u8] = data.as_mut_slice();
+
+ let (w_, h_) = prev_frame.get_dimensions(comp);
+ let w = (w_ + 7) & !7;
+ let h = (h_ + 7) & !7;
+
+ let mvx = mv.x / 2;
+ let mvy = mv.y / 2;
+ let dx = mvx >> 2;
+ let mut cx = (mvx & 3) as usize;
+ let dy = mvy >> 2;
+ let mut cy = (mvy & 3) as usize;
+
+ if (cx == 3) && (cy == 3) {
+ cx = 2;
+ cy = 2;
+ }
+
+ if check_pos(x, y, size, w, h, dx, dy, 0, 1, 0, 1) {
+ let sstride = prev_frame.get_stride(comp);
+ let mut soffset = prev_frame.get_offset(comp) + x + y * sstride;
+ let data = prev_frame.get_data();
+ let src: &[u8] = data.as_slice();
+ soffset = ((soffset as isize) + (dx as isize) + (dy as isize) * (sstride as isize)) as usize;
+ rv40_chroma_mc(dst, doffset, dstride, src, soffset, sstride, size, cx, cy);
+ } else {
+ let mut ebuf: [u8; 16*10] = [0; 16*10];
+ edge_emu(prev_frame, (x as isize) + (dx as isize), (y as isize) + (dy as isize), 8+1, 8+1, &mut ebuf, 16, comp);
+ rv40_chroma_mc(dst, doffset, dstride, &ebuf, 0, 16, size, cx, cy);
+ }
+ }
+}
projects / nihav.git / blobdiff