-use nihav_core::frame::NASimpleVideoFrame;
-use super::types::SliceState;
-use super::dsp::*;
-
-const ALPHA: [i16; 52] = [
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 4, 4, 5, 6, 7, 8, 9, 10, 12, 13, 15, 17, 20, 22, 25, 28,
- 32, 36, 40, 45, 50, 56, 63, 71, 80, 90, 100, 113, 127, 144, 162, 182,
- 203, 226, 255, 255
-];
-const BETA: [i16; 52] = [
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 6, 6, 7, 7, 8, 8,
- 9, 9, 10, 10, 11, 11, 12, 12, 13, 13, 14, 14, 15, 15, 16, 16,
- 17, 17, 18, 18
-];
-
-const TC0: [[u8; 3]; 52] = [
- [ 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, 0, 0], [ 0, 0, 0],
- [ 0, 0, 0], [ 0, 0, 1], [ 0, 0, 1], [ 0, 0, 1],
- [ 0, 0, 1], [ 0, 1, 1], [ 0, 1, 1], [ 1, 1, 1],
- [ 1, 1, 1], [ 1, 1, 1], [ 1, 1, 1], [ 1, 1, 2],
- [ 1, 1, 2], [ 1, 1, 2], [ 1, 1, 2], [ 1, 2, 3],
- [ 1, 2, 3], [ 2, 2, 3], [ 2, 2, 4], [ 2, 3, 4],
- [ 2, 3, 4], [ 3, 3, 5], [ 3, 4, 6], [ 3, 4, 6],
- [ 4, 5, 7], [ 4, 5, 8], [ 4, 6, 9], [ 5, 7, 10],
- [ 6, 8, 11], [ 6, 8, 13], [ 7, 10, 14], [ 8, 11, 16],
- [ 9, 12, 18], [10, 13, 20], [11, 15, 23], [13, 17, 25]
-];
-
-fn get_lf_idx(qp0: u8, qp1: u8, off: i8) -> usize {
- (i16::from((qp0 + qp1 + 1) >> 1) + i16::from(off)).max(0).min(51) as usize
-}
-
-fn filter_mb_row4_y(dst: &mut [u8], off: usize, stride: usize, dmodes: [u8; 4], quants: [u8; 3], alpha_off: i8, beta_off: i8) {
- let q = quants[0];
- let qleft = quants[1];
- let dmode = dmodes[0] & 0xF;
- if dmode != 0 {
- let index_a_y = get_lf_idx(q, qleft, alpha_off);
- let alpha_y = ALPHA[index_a_y];
- let beta_y = BETA[get_lf_idx(q, qleft, beta_off)];
- if dmode == 4 {
- loop_filter_lumaedge_v(dst, off, stride, alpha_y, beta_y);
- } else {
- let tc0 = i16::from(TC0[index_a_y][(dmode - 1) as usize]);
- loop_filter_lumanormal_v(dst, off, stride, alpha_y, beta_y, tc0);
- }
- }
- let index_a_y = get_lf_idx(q, q, alpha_off);
- let alpha_y = ALPHA[index_a_y];
- let beta_y = BETA[get_lf_idx(q, q, beta_off)];
-
- for i in 1..4 {
- let dmode = dmodes[i] & 0xF;
- if dmode != 0 {
- let tc0 = i16::from(TC0[index_a_y][(dmode - 1) as usize]);
- loop_filter_lumanormal_v(dst, off + i * 4, stride, alpha_y, beta_y, tc0);
- }
- }
-
- let qtop = quants[2];
- let index_a_y = get_lf_idx(q, qtop, alpha_off);
- let alpha_y = ALPHA[index_a_y];
- let beta_y = BETA[get_lf_idx(q, qtop, beta_off)];
- for i in 0..4 {
- let dmode = dmodes[i] >> 4;
- if dmode == 4 {
- loop_filter_lumaedge_h(dst, off + i * 4, stride, alpha_y, beta_y);
- } else if dmode != 0 {
- let tc0 = i16::from(TC0[index_a_y][(dmode - 1) as usize]);
- loop_filter_lumanormal_h(dst, off + i * 4, stride, alpha_y, beta_y, tc0);
- }
- }
-}
-
-fn filter_mb_row4_c(dst: &mut [u8], off: usize, stride: usize, dmodes: [u8; 4], quants: [u8; 3], alpha_off: i8, beta_off: i8) {
- let q = quants[0];
- let qleft = quants[1];
-
- let dmode = dmodes[0] & 0xF;
- if dmode != 0 {
- let index_a_c = get_lf_idx(q, qleft, alpha_off);
- let alpha_c = ALPHA[index_a_c];
- let beta_c = BETA[get_lf_idx(q, qleft, beta_off)];
- if dmode == 4 {
- loop_filter_chromaedge_v(dst, off, stride, alpha_c, beta_c);
- } else {
- let tc0 = i16::from(TC0[index_a_c][(dmode - 1) as usize]);
- loop_filter_chromanormal_v(dst, off, stride, alpha_c, beta_c, tc0);
- }
- }
- let dmode = dmodes[2] & 0xF;
- if dmode != 0 {
- let index_a_c = get_lf_idx(q, q, alpha_off);
- let alpha_c = ALPHA[index_a_c];
- let beta_c = BETA[get_lf_idx(q, q, beta_off)];
- let tc0 = i16::from(TC0[index_a_c][(dmode - 1) as usize]);
- loop_filter_chromanormal_v(dst, off + 4, stride, alpha_c, beta_c, tc0);
- }
-
- let qtop = quants[2];
- let index_a_c = get_lf_idx(q, qtop, alpha_off);
- let alpha_c = ALPHA[index_a_c];
- let beta_c = BETA[get_lf_idx(q, qtop, beta_off)];
- for i in 0..2 {
- let dmode = dmodes[i * 2] >> 4;
- if dmode == 4 {
- loop_filter_chromaedge_h(dst, off + i * 4, stride, alpha_c, beta_c);
- } else if dmode != 0 {
- let tc0 = i16::from(TC0[index_a_c][(dmode - 1) as usize]);
- loop_filter_chromanormal_h(dst, off + i * 4, stride, alpha_c, beta_c, tc0);
- }
- }
-}
-
-pub fn loop_filter_row(frm: &mut NASimpleVideoFrame<u8>, sstate: &SliceState, alpha_off: i8, beta_off: i8) {
- let mut db_idx = sstate.deblock.xpos - sstate.deblock.stride;
- let mut yoff = frm.offset[0] + sstate.mb_y * 16 * frm.stride[0];
- let mut uoff = frm.offset[1] + sstate.mb_y * 8 * frm.stride[1];
- let mut voff = frm.offset[2] + sstate.mb_y * 8 * frm.stride[2];
- let mut tlq = [0; 3];
- let mut lq = [0; 3];
- let mut mb_idx = sstate.mb.xpos;
- for _mb_x in 0..sstate.mb_w {
- let mut tqy = sstate.mb.data[mb_idx - sstate.mb.stride].qp_y;
- let tqu = sstate.mb.data[mb_idx - sstate.mb.stride].qp_u;
- let tqv = sstate.mb.data[mb_idx - sstate.mb.stride].qp_v;
- if sstate.mb_y > 0 {
- let dmodes = [sstate.deblock.data[db_idx],
- sstate.deblock.data[db_idx + 1],
- sstate.deblock.data[db_idx + 2],
- sstate.deblock.data[db_idx + 3]];
-
- filter_mb_row4_y(frm.data, yoff - frm.stride[0] * 4, frm.stride[0], dmodes, [tqy, tlq[0], tqy], alpha_off, beta_off);
- filter_mb_row4_c(frm.data, uoff - frm.stride[1] * 4, frm.stride[1], dmodes, [tqu, tlq[1], tqu], alpha_off, beta_off);
- filter_mb_row4_c(frm.data, voff - frm.stride[2] * 4, frm.stride[2], dmodes, [tqv, tlq[2], tqv], alpha_off, beta_off);
-
- tlq = [tqy, tqu, tqv];
- }
-
- let qy = sstate.mb.data[mb_idx].qp_y;
- let qu = sstate.mb.data[mb_idx].qp_u;
- let qv = sstate.mb.data[mb_idx].qp_v;
-
- for y in 0..3 {
- db_idx += sstate.deblock.stride;
- let dmodes = [sstate.deblock.data[db_idx],
- sstate.deblock.data[db_idx + 1],
- sstate.deblock.data[db_idx + 2],
- sstate.deblock.data[db_idx + 3]];
-
- filter_mb_row4_y(frm.data, yoff + frm.stride[0] * 4 * y, frm.stride[0], dmodes, [qy, lq[0], tqy], alpha_off, beta_off);
- if y == 0 {
- filter_mb_row4_c(frm.data, uoff + frm.stride[1] * 2 * y, frm.stride[1], dmodes, [qu, lq[1], tqu], alpha_off, beta_off);
- filter_mb_row4_c(frm.data, voff + frm.stride[2] * 2 * y, frm.stride[2], dmodes, [qv, lq[2], tqv], alpha_off, beta_off);
- }
- tqy = qy;
- }
- db_idx -= sstate.deblock.stride * 3;
- lq = [qy, qu, qv];
-
- mb_idx += 1;
- db_idx += 4;
- yoff += 16;
- uoff += 8;
- voff += 8;
- }
-}
-pub fn loop_filter_last(frm: &mut NASimpleVideoFrame<u8>, sstate: &SliceState, alpha_off: i8, beta_off: i8) {
- let mut db_idx = sstate.deblock.xpos + 3 * sstate.deblock.stride;
- let mut yoff = frm.offset[0] + (sstate.mb_y * 16 + 12) * frm.stride[0];
- let mut uoff = frm.offset[1] + (sstate.mb_y * 8 + 4) * frm.stride[1];
- let mut voff = frm.offset[2] + (sstate.mb_y * 8 + 4) * frm.stride[2];
-
- let mut lq = [0; 3];
- let mut mb_idx = sstate.mb.xpos;
- if sstate.mb_y != 0 && sstate.mb_x == 0 {
- db_idx -= 4 * sstate.deblock.stride;
- mb_idx -= sstate.mb.stride;
- yoff -= 16 * frm.stride[0];
- uoff -= 8 * frm.stride[1];
- voff -= 8 * frm.stride[2];
- }
- for _mb_x in 0..sstate.mb_w {
- let qy = sstate.mb.data[mb_idx].qp_y;
- let qu = sstate.mb.data[mb_idx].qp_u;
- let qv = sstate.mb.data[mb_idx].qp_v;
-
- let dmodes = [sstate.deblock.data[db_idx],
- sstate.deblock.data[db_idx + 1],
- sstate.deblock.data[db_idx + 2],
- sstate.deblock.data[db_idx + 3]];
-
- filter_mb_row4_y(frm.data, yoff, frm.stride[0], dmodes, [qy, lq[0], qy], alpha_off, beta_off);
- filter_mb_row4_c(frm.data, uoff, frm.stride[1], dmodes, [qu, lq[1], qu], alpha_off, beta_off);
- filter_mb_row4_c(frm.data, voff, frm.stride[2], dmodes, [qv, lq[2], qv], alpha_off, beta_off);
-
- lq = [qy, qu, qv];
- mb_idx += 1;
- db_idx += 4;
- yoff += 16;
- uoff += 8;
- voff += 8;
- }
-}
-
+use nihav_core::frame::NASimpleVideoFrame;
+use super::types::SliceState;
+use super::dsp::*;
+
+const ALPHA: [i16; 52] = [
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 4, 4, 5, 6, 7, 8, 9, 10, 12, 13, 15, 17, 20, 22, 25, 28,
+ 32, 36, 40, 45, 50, 56, 63, 71, 80, 90, 100, 113, 127, 144, 162, 182,
+ 203, 226, 255, 255
+];
+const BETA: [i16; 52] = [
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 6, 6, 7, 7, 8, 8,
+ 9, 9, 10, 10, 11, 11, 12, 12, 13, 13, 14, 14, 15, 15, 16, 16,
+ 17, 17, 18, 18
+];
+
+const TC0: [[u8; 3]; 52] = [
+ [ 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, 0, 0], [ 0, 0, 0],
+ [ 0, 0, 0], [ 0, 0, 1], [ 0, 0, 1], [ 0, 0, 1],
+ [ 0, 0, 1], [ 0, 1, 1], [ 0, 1, 1], [ 1, 1, 1],
+ [ 1, 1, 1], [ 1, 1, 1], [ 1, 1, 1], [ 1, 1, 2],
+ [ 1, 1, 2], [ 1, 1, 2], [ 1, 1, 2], [ 1, 2, 3],
+ [ 1, 2, 3], [ 2, 2, 3], [ 2, 2, 4], [ 2, 3, 4],
+ [ 2, 3, 4], [ 3, 3, 5], [ 3, 4, 6], [ 3, 4, 6],
+ [ 4, 5, 7], [ 4, 5, 8], [ 4, 6, 9], [ 5, 7, 10],
+ [ 6, 8, 11], [ 6, 8, 13], [ 7, 10, 14], [ 8, 11, 16],
+ [ 9, 12, 18], [10, 13, 20], [11, 15, 23], [13, 17, 25]
+];
+
+fn get_lf_idx(qp0: u8, qp1: u8, off: i8) -> usize {
+ (i16::from((qp0 + qp1 + 1) >> 1) + i16::from(off)).max(0).min(51) as usize
+}
+
+macro_rules! filter_edge_func {
+ ($funcname: ident, $edgefilter: ident, $normfilter: ident) => {
+ fn $funcname(dst: &mut [u8], off: usize, stride: usize, dmode: u8, quants: [u8; 2], alpha_off: i8, beta_off: i8) {
+ let q = quants[0];
+ let qleft = quants[1];
+ if dmode != 0 {
+ let index_a = get_lf_idx(q, qleft, alpha_off);
+ let alpha = ALPHA[index_a];
+ let beta = BETA[get_lf_idx(q, qleft, beta_off)];
+ if dmode == 4 {
+ $edgefilter(dst, off, stride, alpha, beta);
+ } else {
+ let tc0 = i16::from(TC0[index_a][(dmode - 1) as usize]);
+ $normfilter(dst, off, stride, alpha, beta, tc0);
+ }
+ }
+ }
+ }
+}
+
+filter_edge_func!(filter_edge_y_v, loop_filter_lumaedge_v, loop_filter_lumanormal_v);
+filter_edge_func!(filter_edge_y_h, loop_filter_lumaedge_h, loop_filter_lumanormal_h);
+filter_edge_func!(filter_edge_c_v, loop_filter_chromaedge_v, loop_filter_chromanormal_v);
+filter_edge_func!(filter_edge_c_h, loop_filter_chromaedge_h, loop_filter_chromanormal_h);
+
+pub fn loop_filter_mb(frm: &mut NASimpleVideoFrame<u8>, sstate: &SliceState, alpha_off: i8, beta_off: i8) {
+ let yoff = frm.offset[0] + sstate.mb_x * 16 + sstate.mb_y * 16 * frm.stride[0];
+ let uoff = frm.offset[1] + sstate.mb_x * 8 + sstate.mb_y * 8 * frm.stride[1];
+ let voff = frm.offset[2] + sstate.mb_x * 8 + sstate.mb_y * 8 * frm.stride[2];
+ let mb_idx = sstate.mb.xpos + sstate.mb_x;
+
+ let lqy = sstate.mb.data[mb_idx - 1].qp_y;
+ let lqu = sstate.mb.data[mb_idx - 1].qp_u;
+ let lqv = sstate.mb.data[mb_idx - 1].qp_v;
+ let qy = sstate.mb.data[mb_idx].qp_y;
+ let qu = sstate.mb.data[mb_idx].qp_u;
+ let qv = sstate.mb.data[mb_idx].qp_v;
+
+ for (y, dmodes) in sstate.deblock.chunks(4).enumerate() {
+ filter_edge_y_v(frm.data, yoff + y * 4 * frm.stride[0], frm.stride[0], dmodes[0] & 0xF, [qy, lqy], alpha_off, beta_off);
+ for x in 1..4 {
+ filter_edge_y_v(frm.data, yoff + x * 4 + y * 4 * frm.stride[0], frm.stride[0], dmodes[x] & 0xF, [qy, qy], alpha_off, beta_off);
+ }
+ filter_edge_c_v(frm.data, uoff + y * 2 * frm.stride[1], frm.stride[1], dmodes[0] & 0xF, [qu, lqu], alpha_off, beta_off);
+ filter_edge_c_v(frm.data, uoff + y * 2 * frm.stride[1] + 4, frm.stride[1], dmodes[2] & 0xF, [qu, qu], alpha_off, beta_off);
+ filter_edge_c_v(frm.data, voff + y * 2 * frm.stride[2], frm.stride[2], dmodes[0] & 0xF, [qv, lqv], alpha_off, beta_off);
+ filter_edge_c_v(frm.data, voff + y * 2 * frm.stride[2] + 4, frm.stride[2], dmodes[2] & 0xF, [qv, qv], alpha_off, beta_off);
+ }
+
+ let tqy = sstate.mb.data[mb_idx - sstate.mb.stride].qp_y;
+ let tqu = sstate.mb.data[mb_idx - sstate.mb.stride].qp_u;
+ let tqv = sstate.mb.data[mb_idx - sstate.mb.stride].qp_v;
+
+ let dmodes = &sstate.deblock;
+ for x in 0..4 {
+ filter_edge_y_h(frm.data, yoff + x * 4, frm.stride[0], dmodes[x] >> 4, [qy, tqy], alpha_off, beta_off);
+ }
+ for x in 0..4 {
+ filter_edge_c_h(frm.data, uoff + x * 2, frm.stride[1], dmodes[x] >> 4, [qu, tqu], alpha_off, beta_off);
+ filter_edge_c_h(frm.data, voff + x * 2, frm.stride[2], dmodes[x] >> 4, [qv, tqv], alpha_off, beta_off);
+ }
+
+ for (y, dmodes) in sstate.deblock.chunks(4).enumerate().skip(1) {
+ for x in 0..4 {
+ filter_edge_y_h(frm.data, yoff + x * 4 + y * 4 * frm.stride[0], frm.stride[0], dmodes[x] >> 4, [qy, qy], alpha_off, beta_off);
+ }
+ }
+
+ let dmodes = &sstate.deblock[4 * 2..];
+ for x in 0..4 {
+ filter_edge_c_h(frm.data, uoff + x * 2 + frm.stride[1] * 4, frm.stride[1], dmodes[x] >> 4, [qu, qu], alpha_off, beta_off);
+ filter_edge_c_h(frm.data, voff + x * 2 + frm.stride[2] * 4, frm.stride[2], dmodes[x] >> 4, [qv, qv], alpha_off, beta_off);
+ }
+}
projects / nihav.git / blobdiff