-use nihav_core::frame::*;
-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::*;
+mod mc;
+pub use mc::H264MC;
pub const CHROMA_QUANTS: [u8; 52] = [
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
}
}
-pub fn avg(dst: &mut [u8], dstride: usize,
- src: &[u8], sstride: usize, bw: usize, bh: usize) {
- for (dline, sline) in dst.chunks_mut(dstride).zip(src.chunks(sstride)).take(bh) {
- for (dst, src) in dline.iter_mut().zip(sline.iter()).take(bw) {
- *dst = ((u16::from(*dst) + u16::from(*src) + 1) >> 1) as u8;
- }
- }
-}
-
fn clip8(val: i16) -> u8 { val.max(0).min(255) as u8 }
fn ipred_dc128(buf: &mut [u8], stride: usize, bsize: usize) {
ipred_16x16_left_dc, ipred_16x16_top_dc, ipred_16x16_dc128
];
-fn clip_u8(val: i16) -> u8 { val.max(0).min(255) as u8 }
-
-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);
-
- let (cw, ch) = refpic.get_dimensions(1);
- let mvx = mv.x >> 3;
- let mvy = mv.y >> 3;
- let dx = (mv.x & 7) as u16;
- let dy = (mv.y & 7) as u16;
- let mut ebuf = [0u8; 18 * 9];
- let src_x = ((xpos >> 1) as isize) + (mvx as isize);
- let src_y = ((ypos >> 1) as isize) + (mvy as isize);
- let suoff = refpic.get_offset(1);
- let svoff = refpic.get_offset(2);
- let sustride = refpic.get_stride(1);
- let svstride = refpic.get_stride(2);
- let src = refpic.get_data();
- let cbw = w / 2;
- let cbh = h / 2;
- let (csrc, cstride) = if (src_x < 0) || (src_x + (cbw as isize) + 1 > (cw as isize)) || (src_y < 0) || (src_y + (cbh as isize) + 1 > (ch as isize)) {
- edge_emu(&refpic, src_x, src_y, cbw+1, cbh+1, &mut ebuf, 18, 1, 4);
- edge_emu(&refpic, src_x, src_y, cbw+1, cbh+1, &mut ebuf[9..], 18, 2, 4);
- ([&ebuf, &ebuf[9..]], [18, 18])
- } else {
- ([&src[suoff + (src_x as usize) + (src_y as usize) * sustride..],
- &src[svoff + (src_x as usize) + (src_y as usize) * svstride..]],
- [sustride, svstride])
- };
- for chroma in 1..3 {
- let off = frm.offset[chroma] + xpos / 2 + (ypos / 2) * frm.stride[chroma];
- chroma_interp(&mut frm.data[off..], frm.stride[chroma], csrc[chroma - 1], cstride[chroma - 1], dx, dy, cbw, cbh);
- }
-}
-
-pub fn mc_blocks(ydst: &mut [u8], udst: &mut [u8], vdst: &mut [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;
-
- let pre = if mode != 0 { 2 } else { 0 };
- let post = if mode != 0 { 3 } else { 0 };
- let (width, height) = refpic.get_dimensions(0);
- let sx = (xpos as isize) + ((mv.x >> 2) as isize);
- let sy = (ypos as isize) + ((mv.y >> 2) as isize);
-
- const EBUF_STRIDE: usize = 32;
- let mut ebuf = [0u8; EBUF_STRIDE * (16 + 2 + 3)];
-
- if (sx - pre < 0) || (sx + (w as isize) + post > (width as isize)) ||
- (sy - pre < 0) || (sy + (h as isize) + post > (height as isize)) {
- let edge = (pre + post) as usize;
- edge_emu(&refpic, sx - pre, sy - pre, w + edge, h + edge,
- &mut ebuf, EBUF_STRIDE, 0, 0);
- (H264_LUMA_INTERP[mode])(ydst, 16, &ebuf, EBUF_STRIDE, w, h);
- } else {
- let sstride = refpic.get_stride(0);
- let soff = refpic.get_offset(0);
- let sdta = refpic.get_data();
- let sbuf: &[u8] = sdta.as_slice();
- let saddr = soff + ((sx - pre) as usize) + ((sy - pre) as usize) * sstride;
- (H264_LUMA_INTERP[mode])(ydst, 16, &sbuf[saddr..], sstride, w, h);
- }
-
- let (cw, ch) = refpic.get_dimensions(1);
- let mvx = mv.x >> 3;
- let mvy = mv.y >> 3;
- let dx = (mv.x & 7) as u16;
- let dy = (mv.y & 7) as u16;
- let src_x = ((xpos >> 1) as isize) + (mvx as isize);
- let src_y = ((ypos >> 1) as isize) + (mvy as isize);
- let suoff = refpic.get_offset(1);
- let svoff = refpic.get_offset(2);
- let sustride = refpic.get_stride(1);
- let svstride = refpic.get_stride(2);
- let src = refpic.get_data();
- let cbw = w / 2;
- let cbh = h / 2;
- let (csrc, cstride) = if (src_x < 0) || (src_x + (cbw as isize) + 1 > (cw as isize)) || (src_y < 0) || (src_y + (cbh as isize) + 1 > (ch as isize)) {
- edge_emu(&refpic, src_x, src_y, cbw+1, cbh+1, &mut ebuf, 18, 1, 4);
- edge_emu(&refpic, src_x, src_y, cbw+1, cbh+1, &mut ebuf[9..], 18, 2, 4);
- ([&ebuf, &ebuf[9..]], [18, 18])
- } else {
- ([&src[suoff + (src_x as usize) + (src_y as usize) * sustride..],
- &src[svoff + (src_x as usize) + (src_y as usize) * svstride..]],
- [sustride, svstride])
- };
- chroma_interp(udst, 16, csrc[0], cstride[0], dx, dy, cbw, cbh);
- chroma_interp(vdst, 16, csrc[1], cstride[1], dx, dy, cbw, cbh);
-}
-
-pub fn gray_block(frm: &mut NASimpleVideoFrame<u8>, x: usize, y: usize, w: usize, h: usize) {
- let yoff = frm.offset[0] + x + y * frm.stride[0];
- let coff = [frm.offset[1] + x / 2 + y / 2 * frm.stride[1],
- frm.offset[2] + x / 2 + y / 2 * frm.stride[2]];
- if w == 16 && h == 16 {
- IPRED_FUNCS16X16[IPRED8_DC128](&mut frm.data[yoff..], frm.stride[0], &[], &[]);
- for chroma in 1..2 {
- IPRED_FUNCS8X8_CHROMA[IPRED8_DC128](&mut frm.data[coff[chroma - 1]..], frm.stride[chroma], &[], &[]);
- }
- } else if w == 8 && h == 8 {
- IPRED_FUNCS8X8_CHROMA[IPRED8_DC128](&mut frm.data[yoff..], frm.stride[0], &[], &[]);
- for chroma in 1..2 {
- IPRED_FUNCS4X4[IPRED4_DC128](&mut frm.data[coff[chroma - 1]..], frm.stride[chroma], &[128; 4], &[128; 4], &[128; 4]);
- }
- } else {
- for row in frm.data[yoff..].chunks_mut(frm.stride[0]).take(h) {
- for el in row[..w].iter_mut() {
- *el = 128;
- }
- }
- for chroma in 0..2 {
- for row in frm.data[coff[chroma]..].chunks_mut(frm.stride[chroma + 1]).take(h / 2) {
- for el in row[..w / 2].iter_mut() {
- *el = 128;
- }
- }
- }
- }
-}
-
-pub fn do_mc_avg(frm: &mut NASimpleVideoFrame<u8>, refpic: NAVideoBufferRef<u8>, xpos: usize, ypos: usize, w: usize, h: usize, mv: MV, avg_buf: &mut NAVideoBufferRef<u8>) {
- let mut afrm = NASimpleVideoFrame::from_video_buf(avg_buf).unwrap();
- let amv = MV { x: mv.x + (xpos as i16) * 4, y: mv.y + (ypos as i16) * 4 };
- do_mc(&mut afrm, refpic, 0, 0, w, h, amv);
- for comp in 0..3 {
- let shift = if comp == 0 { 0 } else { 1 };
- avg(&mut frm.data[frm.offset[comp] + (xpos >> shift) + (ypos >> shift) * frm.stride[comp]..], frm.stride[comp], &afrm.data[afrm.offset[comp]..], afrm.stride[comp], w >> shift, h >> shift);
- }
-}
-
-pub fn put_block_weighted(dst: &mut [u8], stride: usize, src: &[u8], w: usize, h: usize, wparams: [i8; 3]) {
- let weight = i16::from(wparams[0]);
- let offset = i16::from(wparams[1]);
- let wshift = wparams[2] as u8;
- let bias = (1 << wshift) >> 1;
-
- for (drow, srow) in dst.chunks_mut(stride).zip(src.chunks(16)).take(h) {
- for (dst, &src) in drow[..w].iter_mut().zip(srow.iter()) {
- *dst = clip8(((i16::from(src) * weight + bias) >> wshift) + offset);
- }
- }
-}
-
-pub fn put_block_weighted2(dst: &mut [u8], stride: usize, src0: &[u8], src1: &[u8], w: usize, h: usize, wparams: [i8; 5]) {
- let weight0 = i16::from(wparams[0]);
- let offset0 = i16::from(wparams[1]);
- let weight1 = i16::from(wparams[2]);
- let offset1 = i16::from(wparams[3]);
- let wshift = (wparams[4] as u8) + 1;
- let offset = (offset0 + offset1 + 1) >> 1;
- let bias = (1 << wshift) >> 1;
-
- for (drow, (srow0, srow1)) in dst.chunks_mut(stride).zip(src0.chunks(16).zip(src1.chunks(16))).take(h) {
- for (dst, (&src0, &src1)) in drow[..w].iter_mut().zip(srow0.iter().zip(srow1.iter())) {
- *dst = clip8(((i16::from(src0) * weight0 + i16::from(src1) * weight1 + bias) >> wshift) + offset);
- }
- }
-}
-
macro_rules! loop_filter {
(lumaedge; $buf: expr, $off: expr, $step: expr, $alpha: expr, $beta: expr) => {
let p2 = i16::from($buf[$off - $step * 3]);
projects / nihav.git / blobdiff