for i in 0..8 { idct_col(blk, i); }
}
+struct IDCTAnnexW {}
+
+impl IDCTAnnexW {
+ const CPO8: i32 = 0x539f;
+ const SPO8: i32 = 0x4546;
+ const CPO16: i32 = 0x7d8a;
+ const SPO16: i32 = 0x18f9;
+ const C3PO16: i32 = 0x6a6e;
+ const S3PO16: i32 = 0x471d;
+ const OOR2: i32 = 0x5a82;
+
+ fn rotate(a: i32, b: i32, c: i32, s: i32, cs: i8, ss: i8) -> (i32, i32) {
+ let (t00, t10) = if cs > 0 {
+ ((a * c) >> cs, (b * c) >> cs)
+ } else {
+ ((a * c) << -cs, (b * c) << -cs)
+ };
+ let (t01, t11) = if ss > 0 {
+ ((a * s) >> ss, (b * s) >> ss)
+ } else {
+ ((a * s) << -ss, (b * s) << -ss)
+ };
+ ((t01 - t10 + 0x7FFF) >> 16, (t00 + t11 + 0x7FFF) >> 16)
+ }
+
+ fn bfly(a: i32, b: i32) -> (i32, i32) { (a + b, a - b) }
+
+ fn idct_row(dst: &mut [i32; 64], src: &[i16; 64]) {
+ for (drow, srow) in dst.chunks_mut(8).zip(src.chunks(8)) {
+ let s0 = i32::from(srow[0]) << 4;
+ let s1 = i32::from(srow[1]) << 4;
+ let s2 = i32::from(srow[2]) << 4;
+ let s3 = i32::from(srow[3]) << 4;
+ let s4 = i32::from(srow[4]) << 4;
+ let s5 = i32::from(srow[5]) << 4;
+ let s6 = i32::from(srow[6]) << 4;
+ let s7 = i32::from(srow[7]) << 4;
+
+ let (s2, s6) = Self::rotate(s2, s6, Self::CPO8, Self::SPO8, -2, -1);
+ let (s1, s7) = Self::rotate(s1, s7, Self::CPO16, Self::SPO16, -1, -1);
+ let (s3, s5) = Self::rotate(s3, s5, Self::C3PO16, Self::S3PO16, -1, -1);
+ let (s0, s4) = Self::bfly(s0, s4);
+
+ let (s3, s1) = Self::bfly(s1, s3);
+ let (s5, s7) = Self::bfly(s7, s5);
+ let (s0, s6) = Self::bfly(s0, s6);
+ let (s4, s2) = Self::bfly(s4, s2);
+
+ let (s3, s7) = Self::bfly(s7, s3);
+ let s1 = (s1 * Self::OOR2 * 4).saturating_add(0x7FFF) >> 16;
+ let s5 = (s5 * Self::OOR2 * 4).saturating_add(0x7FFF) >> 16;
+
+ drow[1] = s4 + s3;
+ drow[6] = s4 - s3;
+ drow[2] = s2 + s7;
+ drow[5] = s2 - s7;
+ drow[0] = s0 + s5;
+ drow[7] = s0 - s5;
+ drow[3] = s6 + s1;
+ drow[4] = s6 - s1;
+ }
+ }
+
+ #[allow(clippy::erasing_op)]
+ #[allow(clippy::identity_op)]
+ fn idct_col(dst: &mut [i16; 64], src: &[i32; 64]) {
+ for i in 0..8 {
+ let s0 = src[i + 8 * 0];
+ let s1 = src[i + 8 * 1];
+ let s2 = src[i + 8 * 2];
+ let s3 = src[i + 8 * 3];
+ let s4 = src[i + 8 * 4];
+ let s5 = src[i + 8 * 5];
+ let s6 = src[i + 8 * 6];
+ let s7 = src[i + 8 * 7];
+
+ let (s2, s6) = Self::rotate(s2, s6, Self::CPO8, Self::SPO8, -1, 0);
+ let (s1, s7) = Self::rotate(s1, s7, Self::CPO16, Self::SPO16, 0, 0);
+ let (s3, s5) = Self::rotate(s3, s5, Self::C3PO16, Self::S3PO16, 0, 0);
+ let (a, b) = Self::bfly(s0, s4);
+ let (s0, s4) = if s4 >= 0 {
+ (a >> 1, b >> 1)
+ } else {
+ ((a + 1) >> 1, (b + 1) >> 1)
+ };
+
+ let (s3, s1) = Self::bfly(s1, s3);
+ let (s5, s7) = Self::bfly(s7, s5);
+ let (s0, s6) = Self::bfly(s0, s6);
+ let (s4, s2) = Self::bfly(s4, s2);
+
+ let (s3, s7) = Self::bfly(s7, s3);
+ let s1 = (s1 * Self::OOR2 * 4).saturating_add(0x7FFF) >> 16;
+ let s5 = (s5 * Self::OOR2 * 4).saturating_add(0x7FFF) >> 16;
+
+ dst[i + 8 * 1] = ((s4 + s3) >> 6) as i16;
+ dst[i + 8 * 6] = ((s4 - s3) >> 6) as i16;
+ dst[i + 8 * 2] = ((s2 + s7) >> 6) as i16;
+ dst[i + 8 * 5] = ((s2 - s7) >> 6) as i16;
+ dst[i + 8 * 0] = ((s0 + s5) >> 6) as i16;
+ dst[i + 8 * 7] = ((s0 - s5) >> 6) as i16;
+ dst[i + 8 * 3] = ((s6 + s1) >> 6) as i16;
+ dst[i + 8 * 4] = ((s6 - s1) >> 6) as i16;
+ }
+ }
+}
+#[allow(dead_code)]
+pub fn h263_annex_w_idct(blk: &mut [i16; 64]) {
+ let mut tmp = [0i32; 64];
+ IDCTAnnexW::idct_row(&mut tmp, blk);
+ IDCTAnnexW::idct_col(blk, &tmp);
+}
+
fn h263_interp00(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, bw: usize, bh: usize)
{
let mut didx = 0;
pub const H263_INTERP_AVG_FUNCS: &[blockdsp::BlkInterpFunc] = &[
h263_interp00_avg, h263_interp01_avg, h263_interp10_avg, h263_interp11_avg ];
+#[derive(Default)]
pub struct H263BlockDSP { }
impl H263BlockDSP {
let diff = ((a - d) + (c - b) * 4) / 8;
if (diff != 0) && (diff > -24) && (diff < 24) {
let d1a = (diff.abs() - 2 * (diff.abs() - (strength as i16)).max(0)).max(0);
- let d1 = if d1a < 0 { 0 } else { d1a };
+ let d1 = if diff < 0 { -d1a } else { d1a };
let hd1 = d1a / 2;
let d2 = ((a - d) / 4).max(-hd1).min(hd1);
let diff = (a - d + (c - b) * 4) / 8;
if (diff != 0) && (diff > -24) && (diff < 24) {
let d1a = (diff.abs() - 2 * (diff.abs() - (strength as i16)).max(0)).max(0);
- let d1 = if d1a < 0 { 0 } else { d1a };
+ let d1 = if diff < 0 { -d1a } else { d1a };
let hd1 = d1a / 2;
let d2 = ((a - d) / 4).max(-hd1).min(hd1);
blockdsp::copy_block(&mut dst, src.clone(), 0, xpos, ypos, mv.x >> 1, mv.y >> 1, 16, 16, 0, 1, mode, H263_INTERP_FUNCS);
blockdsp::copy_block(&mut dst, src.clone(), 1, xpos >> 1, ypos >> 1, mv.x >> 2, mv.y >> 2, 8, 8, 0, 1, cmode, H263_INTERP_FUNCS);
- blockdsp::copy_block(&mut dst, src.clone(), 2, xpos >> 1, ypos >> 1, mv.x >> 2, mv.y >> 2, 8, 8, 0, 1, cmode, H263_INTERP_FUNCS);
+ blockdsp::copy_block(&mut dst, src, 2, xpos >> 1, ypos >> 1, mv.x >> 2, mv.y >> 2, 8, 8, 0, 1, cmode, H263_INTERP_FUNCS);
}
fn copy_blocks8x8(&self, dst: &mut NAVideoBuffer<u8>, src: NAVideoBufferRef<u8>, xpos: usize, ypos: usize, mvs: &[MV; 4]) {
let mut dst = NASimpleVideoFrame::from_video_buf(dst).unwrap();
blockdsp::copy_block(&mut dst, src.clone(), 0, xpos, ypos, mv.x >> 1, mv.y >> 1, 16, 16, 0, 1, mode, H263_INTERP_AVG_FUNCS);
blockdsp::copy_block(&mut dst, src.clone(), 1, xpos >> 1, ypos >> 1, mv.x >> 2, mv.y >> 2, 8, 8, 0, 1, cmode, H263_INTERP_AVG_FUNCS);
- blockdsp::copy_block(&mut dst, src.clone(), 2, xpos >> 1, ypos >> 1, mv.x >> 2, mv.y >> 2, 8, 8, 0, 1, cmode, H263_INTERP_AVG_FUNCS);
+ blockdsp::copy_block(&mut dst, src, 2, xpos >> 1, ypos >> 1, mv.x >> 2, mv.y >> 2, 8, 8, 0, 1, cmode, H263_INTERP_AVG_FUNCS);
}
fn avg_blocks8x8(&self, dst: &mut NAVideoBuffer<u8>, src: NAVideoBufferRef<u8>, xpos: usize, ypos: usize, mvs: &[MV; 4]) {
let mut dst = NASimpleVideoFrame::from_video_buf(dst).unwrap();
h263_filter_row(buf, mb_y, mb_w, cbpi)
}
}
+
+macro_rules! obmc_filter {
+ ($src: expr, $base_off: expr, $off0: expr, $w0: expr, $off1: expr, $w1: expr, $off2: expr, $w2: expr) => ({
+ let a = $src[$base_off + $off0] as u16;
+ let b = $src[$base_off + $off1] as u16;
+ let c = $src[$base_off + $off2] as u16;
+ ((a * $w0 + b * $w1 + c * $w2 + 4) >> 3) as u8
+ })
+}
+pub fn obmc_filter(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize) {
+ let top_off = 8 + sstride * 0;
+ let left_off = 0 + sstride * 8;
+ let right_off = 16 + sstride * 8;
+ let bottom_off = 8 + sstride * 16;
+ let cur_off = 8 + sstride * 8;
+
+ let mut doff = 0;
+ let mut soff = 0;
+
+ dst[doff + 0] = obmc_filter!(src, soff + 0, left_off, 2, top_off, 2, cur_off, 4);
+ dst[doff + 1] = obmc_filter!(src, soff + 1, left_off, 1, top_off, 2, cur_off, 5);
+ dst[doff + 2] = obmc_filter!(src, soff + 2, left_off, 1, top_off, 2, cur_off, 5);
+ dst[doff + 3] = obmc_filter!(src, soff + 3, left_off, 1, top_off, 2, cur_off, 5);
+ dst[doff + 4] = obmc_filter!(src, soff + 4, right_off, 1, top_off, 2, cur_off, 5);
+ dst[doff + 5] = obmc_filter!(src, soff + 5, right_off, 1, top_off, 2, cur_off, 5);
+ dst[doff + 6] = obmc_filter!(src, soff + 6, right_off, 1, top_off, 2, cur_off, 5);
+ dst[doff + 7] = obmc_filter!(src, soff + 7, right_off, 2, top_off, 2, cur_off, 4);
+ doff += dstride;
+ soff += sstride;
+
+ dst[doff + 0] = obmc_filter!(src, soff + 0, left_off, 2, top_off, 1, cur_off, 5);
+ dst[doff + 1] = obmc_filter!(src, soff + 1, left_off, 2, top_off, 1, cur_off, 5);
+ dst[doff + 2] = obmc_filter!(src, soff + 2, left_off, 1, top_off, 2, cur_off, 5);
+ dst[doff + 3] = obmc_filter!(src, soff + 3, left_off, 1, top_off, 2, cur_off, 5);
+ dst[doff + 4] = obmc_filter!(src, soff + 4, right_off, 1, top_off, 2, cur_off, 5);
+ dst[doff + 5] = obmc_filter!(src, soff + 5, right_off, 1, top_off, 2, cur_off, 5);
+ dst[doff + 6] = obmc_filter!(src, soff + 6, right_off, 2, top_off, 1, cur_off, 5);
+ dst[doff + 7] = obmc_filter!(src, soff + 7, right_off, 2, top_off, 1, cur_off, 5);
+ doff += dstride;
+ soff += sstride;
+
+ dst[doff + 0] = obmc_filter!(src, soff + 0, left_off, 2, top_off, 1, cur_off, 5);
+ dst[doff + 1] = obmc_filter!(src, soff + 1, left_off, 2, top_off, 1, cur_off, 5);
+ dst[doff + 2] = obmc_filter!(src, soff + 2, left_off, 1, top_off, 1, cur_off, 6);
+ dst[doff + 3] = obmc_filter!(src, soff + 3, left_off, 1, top_off, 1, cur_off, 6);
+ dst[doff + 4] = obmc_filter!(src, soff + 4, right_off, 1, top_off, 1, cur_off, 6);
+ dst[doff + 5] = obmc_filter!(src, soff + 5, right_off, 1, top_off, 1, cur_off, 6);
+ dst[doff + 6] = obmc_filter!(src, soff + 6, right_off, 2, top_off, 1, cur_off, 5);
+ dst[doff + 7] = obmc_filter!(src, soff + 7, right_off, 2, top_off, 1, cur_off, 5);
+ doff += dstride;
+ soff += sstride;
+
+ dst[doff + 0] = obmc_filter!(src, soff + 0, left_off, 2, top_off, 1, cur_off, 5);
+ dst[doff + 1] = obmc_filter!(src, soff + 1, left_off, 2, top_off, 1, cur_off, 5);
+ dst[doff + 2] = obmc_filter!(src, soff + 2, left_off, 1, top_off, 1, cur_off, 6);
+ dst[doff + 3] = obmc_filter!(src, soff + 3, left_off, 1, top_off, 1, cur_off, 6);
+ dst[doff + 4] = obmc_filter!(src, soff + 4, right_off, 1, top_off, 1, cur_off, 6);
+ dst[doff + 5] = obmc_filter!(src, soff + 5, right_off, 1, top_off, 1, cur_off, 6);
+ dst[doff + 6] = obmc_filter!(src, soff + 6, right_off, 2, top_off, 1, cur_off, 5);
+ dst[doff + 7] = obmc_filter!(src, soff + 7, right_off, 2, top_off, 1, cur_off, 5);
+ doff += dstride;
+ soff += sstride;
+
+ dst[doff + 0] = obmc_filter!(src, soff + 0, left_off, 2, bottom_off, 1, cur_off, 5);
+ dst[doff + 1] = obmc_filter!(src, soff + 1, left_off, 2, bottom_off, 1, cur_off, 5);
+ dst[doff + 2] = obmc_filter!(src, soff + 2, left_off, 1, bottom_off, 1, cur_off, 6);
+ dst[doff + 3] = obmc_filter!(src, soff + 3, left_off, 1, bottom_off, 1, cur_off, 6);
+ dst[doff + 4] = obmc_filter!(src, soff + 4, right_off, 1, bottom_off, 1, cur_off, 6);
+ dst[doff + 5] = obmc_filter!(src, soff + 5, right_off, 1, bottom_off, 1, cur_off, 6);
+ dst[doff + 6] = obmc_filter!(src, soff + 6, right_off, 2, bottom_off, 1, cur_off, 5);
+ dst[doff + 7] = obmc_filter!(src, soff + 7, right_off, 2, bottom_off, 1, cur_off, 5);
+ doff += dstride;
+ soff += sstride;
+
+ dst[doff + 0] = obmc_filter!(src, soff + 0, left_off, 2, bottom_off, 1, cur_off, 5);
+ dst[doff + 1] = obmc_filter!(src, soff + 1, left_off, 2, bottom_off, 1, cur_off, 5);
+ dst[doff + 2] = obmc_filter!(src, soff + 2, left_off, 1, bottom_off, 1, cur_off, 6);
+ dst[doff + 3] = obmc_filter!(src, soff + 3, left_off, 1, bottom_off, 1, cur_off, 6);
+ dst[doff + 4] = obmc_filter!(src, soff + 4, right_off, 1, bottom_off, 1, cur_off, 6);
+ dst[doff + 5] = obmc_filter!(src, soff + 5, right_off, 1, bottom_off, 1, cur_off, 6);
+ dst[doff + 6] = obmc_filter!(src, soff + 6, right_off, 2, bottom_off, 1, cur_off, 5);
+ dst[doff + 7] = obmc_filter!(src, soff + 7, right_off, 2, bottom_off, 1, cur_off, 5);
+ doff += dstride;
+ soff += sstride;
+
+ dst[doff + 0] = obmc_filter!(src, soff + 0, left_off, 2, bottom_off, 1, cur_off, 5);
+ dst[doff + 1] = obmc_filter!(src, soff + 1, left_off, 2, bottom_off, 1, cur_off, 5);
+ dst[doff + 2] = obmc_filter!(src, soff + 2, left_off, 1, bottom_off, 2, cur_off, 5);
+ dst[doff + 3] = obmc_filter!(src, soff + 3, left_off, 1, bottom_off, 2, cur_off, 5);
+ dst[doff + 4] = obmc_filter!(src, soff + 4, right_off, 1, bottom_off, 2, cur_off, 5);
+ dst[doff + 5] = obmc_filter!(src, soff + 5, right_off, 1, bottom_off, 2, cur_off, 5);
+ dst[doff + 6] = obmc_filter!(src, soff + 6, right_off, 2, bottom_off, 1, cur_off, 5);
+ dst[doff + 7] = obmc_filter!(src, soff + 7, right_off, 2, bottom_off, 1, cur_off, 5);
+ doff += dstride;
+ soff += sstride;
+
+ dst[doff + 0] = obmc_filter!(src, soff + 0, left_off, 2, bottom_off, 2, cur_off, 4);
+ dst[doff + 1] = obmc_filter!(src, soff + 1, left_off, 1, bottom_off, 2, cur_off, 5);
+ dst[doff + 2] = obmc_filter!(src, soff + 2, left_off, 1, bottom_off, 2, cur_off, 5);
+ dst[doff + 3] = obmc_filter!(src, soff + 3, left_off, 1, bottom_off, 2, cur_off, 5);
+ dst[doff + 4] = obmc_filter!(src, soff + 4, right_off, 1, bottom_off, 2, cur_off, 5);
+ dst[doff + 5] = obmc_filter!(src, soff + 5, right_off, 1, bottom_off, 2, cur_off, 5);
+ dst[doff + 6] = obmc_filter!(src, soff + 6, right_off, 1, bottom_off, 2, cur_off, 5);
+ dst[doff + 7] = obmc_filter!(src, soff + 7, right_off, 2, bottom_off, 2, cur_off, 4);
+}