--- /dev/null
+use nihav_core::codecs::*;
+
+#[derive(Clone,Copy,Debug,PartialEq)]
+#[allow(dead_code)]
+pub enum VPMBType {
+ Intra,
+ InterNoMV,
+ InterMV,
+ InterNearest,
+ InterNear,
+ InterFourMV,
+ GoldenNoMV,
+ GoldenMV,
+ GoldenNearest,
+ GoldenNear,
+}
+
+#[allow(dead_code)]
+impl VPMBType {
+ pub fn is_intra(self) -> bool { self == VPMBType::Intra }
+ pub fn get_ref_id(self) -> u8 {
+ match self {
+ VPMBType::Intra => 0,
+ VPMBType::InterNoMV |
+ VPMBType::InterMV |
+ VPMBType::InterNearest |
+ VPMBType::InterNear |
+ VPMBType::InterFourMV => 1,
+ _ => 2,
+ }
+ }
+}
+
+impl Default for VPMBType {
+ fn default() -> Self { VPMBType::Intra }
+}
+
+#[derive(Default)]
+pub struct VPShuffler {
+ lastframe: Option<NAVideoBufferRef<u8>>,
+ goldframe: Option<NAVideoBufferRef<u8>>,
+}
+
+impl VPShuffler {
+ pub fn new() -> Self { VPShuffler { lastframe: None, goldframe: None } }
+ pub fn clear(&mut self) { self.lastframe = None; self.goldframe = None; }
+ pub fn add_frame(&mut self, buf: NAVideoBufferRef<u8>) {
+ self.lastframe = Some(buf);
+ }
+ pub fn add_golden_frame(&mut self, buf: NAVideoBufferRef<u8>) {
+ self.goldframe = Some(buf);
+ }
+ pub fn get_last(&mut self) -> Option<NAVideoBufferRef<u8>> {
+ if let Some(ref frm) = self.lastframe {
+ Some(frm.clone())
+ } else {
+ None
+ }
+ }
+ pub fn get_golden(&mut self) -> Option<NAVideoBufferRef<u8>> {
+ if let Some(ref frm) = self.goldframe {
+ Some(frm.clone())
+ } else {
+ None
+ }
+ }
+}
+
+const C1S7: i32 = 64277;
+const C2S6: i32 = 60547;
+const C3S5: i32 = 54491;
+const C4S4: i32 = 46341;
+const C5S3: i32 = 36410;
+const C6S2: i32 = 25080;
+const C7S1: i32 = 12785;
+
+fn mul16(a: i32, b: i32) -> i32 {
+ (a * b) >> 16
+}
+
+macro_rules! idct_step {
+ ($s0:expr, $s1:expr, $s2:expr, $s3:expr, $s4:expr, $s5:expr, $s6:expr, $s7:expr,
+ $d0:expr, $d1:expr, $d2:expr, $d3:expr, $d4:expr, $d5:expr, $d6:expr, $d7:expr,
+ $bias:expr, $shift:expr, $otype:ty) => {
+ let t_a = mul16(C1S7, i32::from($s1)) + mul16(C7S1, i32::from($s7));
+ let t_b = mul16(C7S1, i32::from($s1)) - mul16(C1S7, i32::from($s7));
+ let t_c = mul16(C3S5, i32::from($s3)) + mul16(C5S3, i32::from($s5));
+ let t_d = mul16(C3S5, i32::from($s5)) - mul16(C5S3, i32::from($s3));
+ let t_a1 = mul16(C4S4, t_a - t_c);
+ let t_b1 = mul16(C4S4, t_b - t_d);
+ let t_c = t_a + t_c;
+ let t_d = t_b + t_d;
+ let t_e = mul16(C4S4, i32::from($s0 + $s4)) + $bias;
+ let t_f = mul16(C4S4, i32::from($s0 - $s4)) + $bias;
+ let t_g = mul16(C2S6, i32::from($s2)) + mul16(C6S2, i32::from($s6));
+ let t_h = mul16(C6S2, i32::from($s2)) - mul16(C2S6, i32::from($s6));
+ let t_e1 = t_e - t_g;
+ let t_g = t_e + t_g;
+ let t_a = t_f + t_a1;
+ let t_f = t_f - t_a1;
+ let t_b = t_b1 - t_h;
+ let t_h = t_b1 + t_h;
+
+ $d0 = ((t_g + t_c) >> $shift) as $otype;
+ $d7 = ((t_g - t_c) >> $shift) as $otype;
+ $d1 = ((t_a + t_h) >> $shift) as $otype;
+ $d2 = ((t_a - t_h) >> $shift) as $otype;
+ $d3 = ((t_e1 + t_d) >> $shift) as $otype;
+ $d4 = ((t_e1 - t_d) >> $shift) as $otype;
+ $d5 = ((t_f + t_b) >> $shift) as $otype;
+ $d6 = ((t_f - t_b) >> $shift) as $otype;
+ }
+}
+
+pub fn vp_idct(coeffs: &mut [i16; 64]) {
+ let mut tmp = [0i32; 64];
+ for (src, dst) in coeffs.chunks(8).zip(tmp.chunks_mut(8)) {
+ idct_step!(src[0], src[1], src[2], src[3], src[4], src[5], src[6], src[7],
+ dst[0], dst[1], dst[2], dst[3], dst[4], dst[5], dst[6], dst[7], 0, 0, i32);
+ }
+ let src = &tmp;
+ let dst = coeffs;
+ for i in 0..8 {
+ idct_step!(src[0 * 8 + i], src[1 * 8 + i], src[2 * 8 + i], src[3 * 8 + i],
+ src[4 * 8 + i], src[5 * 8 + i], src[6 * 8 + i], src[7 * 8 + i],
+ dst[0 * 8 + i], dst[1 * 8 + i], dst[2 * 8 + i], dst[3 * 8 + i],
+ dst[4 * 8 + i], dst[5 * 8 + i], dst[6 * 8 + i], dst[7 * 8 + i], 8, 4, i16);
+ }
+}
+
+pub fn vp_idct_dc(coeffs: &mut [i16; 64]) {
+ let dc = ((mul16(C4S4, mul16(C4S4, i32::from(coeffs[0]))) + 8) >> 4) as i16;
+ for i in 0..64 {
+ coeffs[i] = dc;
+ }
+}
+
+pub fn unquant(coeffs: &mut [i16; 64], qmat: &[i16; 64]) {
+ for i in 1..64 {
+ coeffs[i] = coeffs[i].wrapping_mul(qmat[i]);
+ }
+}
+
+pub fn vp_put_block(coeffs: &mut [i16; 64], bx: usize, by: usize, plane: usize, frm: &mut NASimpleVideoFrame<u8>) {
+ vp_idct(coeffs);
+ let mut off = frm.offset[plane] + bx * 8 + by * 8 * frm.stride[plane];
+ for y in 0..8 {
+ for x in 0..8 {
+ frm.data[off + x] = (coeffs[x + y * 8] + 128).min(255).max(0) as u8;
+ }
+ off += frm.stride[plane];
+ }
+}
+
+pub fn vp_put_block_dc(coeffs: &mut [i16; 64], bx: usize, by: usize, plane: usize, frm: &mut NASimpleVideoFrame<u8>) {
+ vp_idct_dc(coeffs);
+ let dc = (coeffs[0] + 128).min(255).max(0) as u8;
+ let mut off = frm.offset[plane] + bx * 8 + by * 8 * frm.stride[plane];
+ for _ in 0..8 {
+ for x in 0..8 {
+ frm.data[off + x] = dc;
+ }
+ off += frm.stride[plane];
+ }
+}
+
+pub fn vp_add_block(coeffs: &mut [i16; 64], bx: usize, by: usize, plane: usize, frm: &mut NASimpleVideoFrame<u8>) {
+ vp_idct(coeffs);
+ let mut off = frm.offset[plane] + bx * 8 + by * 8 * frm.stride[plane];
+ for y in 0..8 {
+ for x in 0..8 {
+ frm.data[off + x] = (coeffs[x + y * 8] + (frm.data[off + x] as i16)).min(255).max(0) as u8;
+ }
+ off += frm.stride[plane];
+ }
+}
+
+pub fn vp_add_block_dc(coeffs: &mut [i16; 64], bx: usize, by: usize, plane: usize, frm: &mut NASimpleVideoFrame<u8>) {
+ vp_idct_dc(coeffs);
+ let dc = coeffs[0];
+ let mut off = frm.offset[plane] + bx * 8 + by * 8 * frm.stride[plane];
+ for _ in 0..8 {
+ for x in 0..8 {
+ frm.data[off + x] = (dc + (frm.data[off + x] as i16)).min(255).max(0) as u8;
+ }
+ off += frm.stride[plane];
+ }
+}
projects / nihav.git / blobdiff