rv6: rework deblocking as suggested by Peter Ross
[nihav.git] / nihav-realmedia / src / codecs / rv60.rs
index ecc400a7c821128a599e864d90aa0ca3994cf8b8..2dadc258b5f9a0369a37b5cafbb1b910e2282b2e 100644 (file)
@@ -41,6 +41,7 @@ const RV60_FRAME_TYPES: [FrameType; 4] = [ FrameType::I, FrameType::P, FrameType
 const MAX_IMODE: u8 = 34;
 
 #[derive(Clone,Copy,Debug)]
+#[allow(dead_code)]
 struct FrameHeader {
     profile:            u8,
     ftype:              FrameType,
@@ -48,7 +49,9 @@ struct FrameHeader {
     osvquant:           u8,
     ts:                 u32,
     width:              usize,
+    awidth:             usize,
     height:             usize,
+    aheight:            usize,
     two_f_refs:         bool,
     qp_off_type:        u8,
     deblock:            bool,
@@ -77,6 +80,8 @@ impl FrameHeader {
         let width                                       = ((br.read(11)? as usize) + 1) * 4;
         let height                                      = ((br.read(11)? as usize) + 0) * 4;
         validate!(height > 0);
+        let awidth  = (width  + 15) & !15;
+        let aheight = (height + 15) & !15;
         let _some_flag                                  = br.read_bool()?;
         let two_f_refs;
         if ftype == FrameType::I {
@@ -109,8 +114,8 @@ impl FrameHeader {
         }
 
         Ok(FrameHeader {
-                profile, ftype, qp, osvquant, ts, width, height, two_f_refs, qp_off_type,
-                deblock, deblock_chroma,
+                profile, ftype, qp, osvquant, ts, width, height, awidth, aheight,
+                two_f_refs, qp_off_type, deblock, deblock_chroma,
             })
     }
     fn parse_slice_sizes(&self, br: &mut BitReader, sizes: &mut Vec<usize>) -> DecoderResult<()> {
@@ -123,7 +128,7 @@ impl FrameHeader {
             signs.push(sign);
         }
         validate!(signs[0]);
-        sizes.truncate(0);
+        sizes.clear();
         let mut sum = 0;
         let first_size                                  = br.read(nbits)? as usize;
         validate!(first_size > 0);
@@ -187,13 +192,13 @@ println!(" left {} / {}", br.left() >> 3, sum);
     fn has_top_block(&self, xpos: usize, ypos: usize, dx: usize, dy: usize, size: usize) -> bool {
         if (ypos + dy) == 0 { return false; }
         let xpos2 = xpos + dx;
-        if (xpos2 + size) > self.width { return false; }
+        if (xpos2 + size) > self.awidth { return false; }
         true
     }
     fn has_top_right_block(&self, xpos: usize, ypos: usize, dx: usize, dy: usize, size: usize) -> bool {
         if (ypos + dy) == 0 { return false; }
         let xpos2 = xpos + dx;
-        if (xpos2 + size * 2) > self.width { return false; }
+        if (xpos2 + size * 2) > self.awidth { return false; }
         let cxpos = ((xpos + dx) & 63) >> RV60_BLOCK_LOG2[size];
         let cypos = ((ypos + dy) & 63) >> RV60_BLOCK_LOG2[size];
         ((cypos as u8) & RV60_AVAIL_MASK[cxpos]) == 0
@@ -201,13 +206,13 @@ println!(" left {} / {}", br.left() >> 3, sum);
     fn has_left_block(&self, xpos: usize, ypos: usize, dx: usize, dy: usize, size: usize) -> bool {
         if (xpos + dx) == 0 { return false; }
         let ypos2 = ypos + dy;
-        if (ypos2 + size) > self.height { return false; }
+        if (ypos2 + size) > self.aheight { return false; }
         true
     }
     fn has_left_down_block(&self, xpos: usize, ypos: usize, dx: usize, dy: usize, size: usize) -> bool {
         if (xpos + dx) == 0 { return false; }
         let ypos2 = ypos + dy;
-        if (ypos2 + size * 2) > self.height { return false; }
+        if (ypos2 + size * 2) > self.aheight { return false; }
         let cxpos = (!(xpos + dx) & 63) >> RV60_BLOCK_LOG2[size];
         let cypos = (!(ypos + dy) & 63) >> RV60_BLOCK_LOG2[size];
         ((cypos as u8) & RV60_AVAIL_MASK[cxpos]) >= 1
@@ -305,16 +310,10 @@ impl PUType {
         }
     }
     fn has_hor_split(self) -> bool {
-        match self {
-            PUType::N2Hor | PUType::N4Hor | PUType::N34Hor | PUType::Quarters => true,
-            _ => false,
-        }
+        matches!(self, PUType::N2Hor | PUType::N4Hor | PUType::N34Hor | PUType::Quarters)
     }
     fn has_ver_split(self) -> bool {
-        match self {
-            PUType::N2Ver | PUType::N4Ver | PUType::N34Ver | PUType::Quarters => true,
-            _ => false,
-        }
+        matches!(self, PUType::N2Ver | PUType::N4Ver | PUType::N34Ver | PUType::Quarters)
     }
 }
 
@@ -367,22 +366,13 @@ impl MVRef {
         }
     }
     fn is_ref0(self) -> bool {
-        match self {
-            MVRef::Ref0 | MVRef::Ref0AndBRef => true,
-            _ => false,
-        }
+        matches!(self, MVRef::Ref0 | MVRef::Ref0AndBRef)
     }
     fn is_fwd(self) -> bool {
-        match self {
-            MVRef::Ref0 | MVRef::Ref1 | MVRef::Ref0AndBRef => true,
-            _ => false,
-        }
+        matches!(self, MVRef::Ref0 | MVRef::Ref1 | MVRef::Ref0AndBRef)
     }
     fn is_bwd(self) -> bool {
-        match self {
-            MVRef::BRef | MVRef::Ref0AndBRef => true,
-            _ => false,
-        }
+        matches!(self, MVRef::BRef | MVRef::Ref0AndBRef)
     }
 }
 
@@ -550,6 +540,7 @@ impl CBHeader {
 struct PUInfo {
     cu_type:    CUType,
     ttype:      TransformType,
+    pu_type:    PUType,
 }
 
 impl PUInfo {
@@ -588,9 +579,11 @@ impl DeblockInfo {
         let dval = (q << 2) | strength;
         for x in 0..dsize {
             self.top_str[pos + x] = dval;
+            self.top_str[pos + (dsize - 1) * self.stride + x] = dval;
         }
         for y in 0..dsize {
             self.left_str[pos + y * self.stride] = dval;
+            self.left_str[pos + y * self.stride + dsize - 1] = dval;
         }
     }
     fn get_pos(&self, xpos: usize, ypos: usize) -> usize {
@@ -691,7 +684,7 @@ impl RealVideo60Decoder {
         let cu_w = hdr.get_width_cu();
         let dqp = hdr.read_line_qp_offset(&mut br)?;
         let qps = (hdr.qp as i8) + dqp;
-        validate!((qps >= 0) && (qps < 32));
+        validate!((0..32).contains(&qps));
         let qp = qps as u8;
         self.qp = qp;
         self.sel_qp = match hdr.osvquant {
@@ -728,12 +721,12 @@ println!(" left {} bits", br.left());
 }
         Ok(())
     }
-    #[allow(clippy::cyclomatic_complexity)]
+    #[allow(clippy::cognitive_complexity)]
     fn decode_cb_tree(&mut self, buf: &mut NASimpleVideoFrame<u8>, hdr: &FrameHeader, br: &mut BitReader, xpos: usize, ypos: usize, log_size: u8) -> DecoderResult<()> {
-        if (xpos >= hdr.width) || (ypos >= hdr.height) { return Ok(()); }
+        if (xpos >= hdr.awidth) || (ypos >= hdr.aheight) { return Ok(()); }
 
         let size = 1 << log_size;
-        let split = (xpos + size > hdr.width) || (ypos + size > hdr.height) || (size > 8 && br.read_bool()?);
+        let split = (xpos + size > hdr.awidth) || (ypos + size > hdr.aheight) || (size > 8 && br.read_bool()?);
         self.cu_splits.push(split);
         if split {
             let hsize = size >> 1;
@@ -764,9 +757,9 @@ println!(" left {} bits", br.left());
                             let dstride = buf.stride[comp];
                             let soff = buf.offset[comp];
                             let off = soff + (xpos >> 1) + (ypos >> 1) * dstride;
-                            let mut dst = &mut buf.data;
+                            let dst = &mut buf.data;
                             self.populate_ipred(hdr, dst, soff, dstride, 0, 0, size >> 1, false);
-                            self.ipred.pred_angle(&mut dst, off, dstride, size >> 1, itype as usize, false);
+                            self.ipred.pred_angle(dst, off, dstride, size >> 1, itype as usize, false);
                         }
                     },
                 _ => {
@@ -853,10 +846,6 @@ println!(" left {} bits", br.left());
                                 cbp16 = 0;
                             }
                             if cbp16 != 0 {
-                                self.coded_blk[cb_pos + 0] = true;
-                                self.coded_blk[cb_pos + 1] = true;
-                                self.coded_blk[cb_pos + 8] = true;
-                                self.coded_blk[cb_pos + 9] = true;
                                 rv6_decode_cu_4x4in16x16(br, &self.cbs, is_intra, self.qp, self.sel_qp, &mut self.y_coeffs, &mut self.u_coeffs, &mut self.v_coeffs, cbp16)?;
                                 for y in 0..4 {
                                     for x in 0..4 {
@@ -865,8 +854,9 @@ println!(" left {} bits", br.left());
                                             self.dsp.transform4x4(&mut self.y_coeffs[i * 16..][..16]);
                                             let dstride = buf.stride[0];
                                             let off = xpos + x * 4 + (ypos + y * 4) * dstride;
-                                            let mut dst = &mut buf.data;
-                                            self.dsp.add_block(&mut dst, off, dstride, &self.y_coeffs[i*16..][..16], 4);
+                                            let dst = &mut buf.data;
+                                            self.dsp.add_block(dst, off, dstride, &self.y_coeffs[i*16..][..16], 4);
+                                            self.coded_blk[cb_pos + (y / 2) * 8 + (x / 2)] = true;
                                         }
                                     }
                                 }
@@ -879,15 +869,17 @@ println!(" left {} bits", br.left());
                                             self.dsp.transform4x4(&mut self.u_coeffs[i * 16..][..16]);
                                             let dstride = buf.stride[1];
                                             let off = buf.offset[1] + xoff + yoff * dstride;
-                                            let mut dst = &mut buf.data;
-                                            self.dsp.add_block(&mut dst, off, dstride, &self.u_coeffs[i * 16..][..16], 4);
+                                            let dst = &mut buf.data;
+                                            self.dsp.add_block(dst, off, dstride, &self.u_coeffs[i * 16..][..16], 4);
+                                            self.coded_blk[cb_pos + y * 8 + x] = true;
                                         }
                                         if ((cbp16 >> (20 + i)) & 1) != 0 {
                                             self.dsp.transform4x4(&mut self.v_coeffs[i * 16..][..16]);
                                             let dstride = buf.stride[2];
                                             let off = buf.offset[2] + xoff + yoff * dstride;
-                                            let mut dst = &mut buf.data;
-                                            self.dsp.add_block(&mut dst, off, dstride, &self.v_coeffs[i * 16..][..16], 4);
+                                            let dst = &mut buf.data;
+                                            self.dsp.add_block(dst, off, dstride, &self.v_coeffs[i * 16..][..16], 4);
+                                            self.coded_blk[cb_pos + y * 8 + x] = true;
                                         }
                                     }
                                 }
@@ -904,10 +896,10 @@ println!(" left {} bits", br.left());
                                 if split_i4x4 {
                                     let dstride = buf.stride[0];
                                     let off = xpos + xoff + (ypos + yoff) * dstride;
-                                    let mut dst = &mut buf.data;
+                                    let dst = &mut buf.data;
                                     self.populate_ipred(hdr, dst, 0, dstride, xoff, yoff, 4, true);
                                     let itype = self.blk_info[self.blk_pos + (i & 1) + (i >> 1) * self.blk_stride].imode;
-                                    self.ipred.pred_angle(&mut dst, off, dstride, 4, itype as usize, false);
+                                    self.ipred.pred_angle(dst, off, dstride, 4, itype as usize, false);
                                 }
                                 if ((cbp8 >> i) & 1) != 0 {
                                     let blk = &mut self.y_coeffs[i * 16..][..16];
@@ -915,8 +907,7 @@ println!(" left {} bits", br.left());
                                     let dstride = buf.stride[0];
                                     let soff = buf.offset[0];
                                     let off = soff + xpos + xoff + (ypos + yoff) * dstride;
-                                    let mut dst = &mut buf.data;
-                                    self.dsp.add_block(&mut dst, off, dstride, blk, 4);
+                                    self.dsp.add_block(buf.data, off, dstride, blk, 4);
                                 }
                             }
                             if ((cbp8 >> 4) & 1) != 0 {
@@ -924,16 +915,14 @@ println!(" left {} bits", br.left());
                                 let dstride = buf.stride[1];
                                 let soff = buf.offset[1];
                                 let off = soff + (xpos >> 1) + (ypos >> 1) * dstride;
-                                let mut dst = &mut buf.data;
-                                self.dsp.add_block(&mut dst, off, dstride, &self.u_coeffs, 4);
+                                self.dsp.add_block(buf.data, off, dstride, &self.u_coeffs, 4);
                             }
                             if ((cbp8 >> 5) & 1) != 0 {
                                 self.dsp.transform4x4(&mut self.v_coeffs);
                                 let dstride = buf.stride[2];
                                 let soff = buf.offset[2];
                                 let off = soff + (xpos >> 1) + (ypos >> 1) * dstride;
-                                let mut dst = &mut buf.data;
-                                self.dsp.add_block(&mut dst, off, dstride, &self.v_coeffs, 4);
+                                self.dsp.add_block(buf.data, off, dstride, &self.v_coeffs, 4);
                             }
                         }
                     },
@@ -947,24 +936,21 @@ println!(" left {} bits", br.left());
                                 self.dsp.transform8x8(&mut self.y_coeffs);
                                 let dstride = buf.stride[0];
                                 let off = xpos + ypos * dstride;
-                                let mut dst = &mut buf.data;
-                                self.dsp.add_block(&mut dst, off, dstride, &self.y_coeffs, 8);
+                                self.dsp.add_block(buf.data, off, dstride, &self.y_coeffs, 8);
                             }
                             if ((cbp8 >> 4) & 1) != 0 {
                                 self.dsp.transform4x4(&mut self.u_coeffs);
                                 let dstride = buf.stride[1];
                                 let soff = buf.offset[1];
                                 let off = soff + (xpos >> 1) + (ypos >> 1) * dstride;
-                                let mut dst = &mut buf.data;
-                                self.dsp.add_block(&mut dst, off, dstride, &self.u_coeffs, 4);
+                                self.dsp.add_block(buf.data, off, dstride, &self.u_coeffs, 4);
                             }
                             if ((cbp8 >> 5) & 1) != 0 {
                                 self.dsp.transform4x4(&mut self.v_coeffs);
                                 let dstride = buf.stride[2];
                                 let soff = buf.offset[2];
                                 let off = soff + (xpos >> 1) + (ypos >> 1) * dstride;
-                                let mut dst = &mut buf.data;
-                                self.dsp.add_block(&mut dst, off, dstride, &self.v_coeffs, 4);
+                                self.dsp.add_block(buf.data, off, dstride, &self.v_coeffs, 4);
                             }
                         }
                     },
@@ -989,24 +975,21 @@ println!(" left {} bits", br.left());
                                         self.dsp.transform16x16(&mut self.y_coeffs);
                                         let dstride = buf.stride[0];
                                         let off = xpos + x * 16 + (ypos + y * 16) * dstride;
-                                        let mut dst = &mut buf.data;
-                                        self.dsp.add_block(&mut dst, off, dstride, &self.y_coeffs, 16);
+                                        self.dsp.add_block(buf.data, off, dstride, &self.y_coeffs, 16);
                                     }
                                     if ((super_cbp >> 16) & 0xF) != 0 {
                                         self.dsp.transform8x8(&mut self.u_coeffs);
                                         let dstride = buf.stride[1];
                                         let soff = buf.offset[1];
                                         let off = soff + (xpos >> 1) + x * 8 + ((ypos >> 1) + y * 8) * dstride;
-                                        let mut dst = &mut buf.data;
-                                        self.dsp.add_block(&mut dst, off, dstride, &self.u_coeffs, 8);
+                                        self.dsp.add_block(buf.data, off, dstride, &self.u_coeffs, 8);
                                     }
                                     if ((super_cbp >> 20) & 0xF) != 0 {
                                         self.dsp.transform8x8(&mut self.v_coeffs);
                                         let dstride = buf.stride[2];
                                         let soff = buf.offset[2];
                                         let off = soff + (xpos >> 1) + x * 8 + ((ypos >> 1) + y * 8) * dstride;
-                                        let mut dst = &mut buf.data;
-                                        self.dsp.add_block(&mut dst, off, dstride, &self.v_coeffs, 8);
+                                        self.dsp.add_block(buf.data, off, dstride, &self.v_coeffs, 8);
                                     }
                                 }
                             }
@@ -1022,6 +1005,7 @@ println!(" left {} bits", br.left());
         let pu_size = size >> 3;
         pui.cu_type = cbh.cu_type;
         pui.ttype   = cbh.ttype;
+        pui.pu_type = cbh.pu_type;
         if (cbh.cu_type == CUType::Intra) && (cbh.pu_type == PUType::Quarters) { // very special case
             self.pu_info[self.pu_pos] = pui;
             for y in 0..2 {
@@ -1341,9 +1325,17 @@ println!(" left {} bits", br.left());
             skip_cand.list[i] = MVInfo { f_mv: ZERO_MV, b_mv: ZERO_MV, mvref: MVRef::Ref0 };
         }
     }
+    fn calc_tile_size(&self, pu_pos: usize, cu_type: CUType, log_size: u8) -> u8 {
+        match log_size {
+            3 => 3,
+            4 if (cu_type != CUType::Intra) && (self.pu_info[pu_pos].pu_type != PUType::Full) => 3,
+            4 | 5 | 6 => 4,
+            _ => unreachable!(),
+        }
+    }
     fn deblock_cb_tree(&mut self, buf: &mut NASimpleVideoFrame<u8>, hdr: &FrameHeader, xpos: usize, ypos: usize, log_size: u8) {
-        if (xpos >= hdr.width) || (ypos >= hdr.height) { return; }
-        let split = (log_size > 3) && self.cu_splits.pop().unwrap();
+        if (xpos >= hdr.awidth) || (ypos >= hdr.aheight) { return; }
+        let split = self.cu_splits.pop().unwrap();
         if split {
             let hsize = 1 << (log_size - 1);
             self.deblock_cb_tree(buf, hdr, xpos,         ypos,         log_size - 1);
@@ -1353,12 +1345,12 @@ println!(" left {} bits", br.left());
         } else {
             let pu_pos = (xpos >> 3) + (ypos >> 3) * self.pu_stride;
             let cu_type = self.pu_info[pu_pos].cu_type;
-            let tsize = if self.pu_info[pu_pos].ttype == TransformType::T16X16 { 4 } else { 3 };
+            let tsize = self.calc_tile_size(pu_pos, cu_type, log_size);
             let ntiles = 1 << (log_size - tsize);
             let dparams = RV60DeblockParams {
                             deblock_chroma: hdr.deblock_chroma,
-                            width:          hdr.width,
-                            height:         hdr.height,
+                            width:          hdr.awidth,
+                            height:         hdr.aheight,
                             dblkstride:     self.dblk.stride,
                         };
             for ty in 0..ntiles {
@@ -1388,7 +1380,7 @@ println!(" left {} bits", br.left());
         if ypos > 0 {
             let top_blk_pos = blk_pos - self.blk_stride;
             for i in 0..size4 {
-                if self.dblk.get_top_strength(dblk_pos + i) == 0 {
+                if self.dblk.get_top_strength(dblk_pos - self.dblk.stride + i) == 0 {
                     if self.blk_info[blk_pos + i].mv.is_deblock_cand(&self.blk_info[top_blk_pos + i].mv) {
                         self.dblk.set_top_strength(dblk_pos + i, 1);
                     }
@@ -1397,8 +1389,8 @@ println!(" left {} bits", br.left());
         }
         if xpos > 0 {
             for i in 0..size4 {
-                if self.dblk.get_left_strength(dblk_pos) == 0 {
-                    if self.blk_info[blk_pos + i].mv.is_deblock_cand(&self.blk_info[blk_pos + i - 1].mv) {
+                if self.dblk.get_left_strength(dblk_pos - 1) == 0 {
+                    if self.blk_info[blk_pos + i * self.blk_stride].mv.is_deblock_cand(&self.blk_info[blk_pos + i * self.blk_stride - 1].mv) {
                         self.dblk.set_left_strength(dblk_pos, 1);
                     }
                 }
@@ -1506,10 +1498,10 @@ println!("???");
         self.pu_stride = cu_w << 3;
         self.pu_info.resize(self.pu_stride * (cu_h << 3), PUInfo::default());
         self.blk_stride = cu_w << 4;
-        self.blk_info.truncate(0);
+        self.blk_info.clear();
         self.blk_info.resize(self.blk_stride * (cu_h << 4), BlockInfo::default());
         if hdr.deblock {
-            self.dblk.reinit(hdr.width, hdr.height);
+            self.dblk.reinit(hdr.awidth, hdr.aheight);
         }
         let mut off = hsize + ((br.tell() >> 3) as usize);
         let mut dframe = NASimpleVideoFrame::from_video_buf(&mut buf).unwrap();
@@ -1589,29 +1581,30 @@ mod test {
     use nihav_core::codecs::RegisteredDecoders;
     use nihav_core::demuxers::RegisteredDemuxers;
     use nihav_codec_support::test::dec_video::*;
-    use crate::realmedia_register_all_codecs;
+    use crate::realmedia_register_all_decoders;
     use crate::realmedia_register_all_demuxers;
     #[test]
     fn test_rv60() {
         let mut dmx_reg = RegisteredDemuxers::new();
         realmedia_register_all_demuxers(&mut dmx_reg);
         let mut dec_reg = RegisteredDecoders::new();
-        realmedia_register_all_codecs(&mut dec_reg);
+        realmedia_register_all_decoders(&mut dec_reg);
 
+        // sample from a private collection
         test_decoding("realmedia", "realvideo6", "assets/RV/RV60.rmhd", Some(1000), &dmx_reg, &dec_reg,
                       ExpectedTestResult::MD5Frames(vec![
                             [0x2b1f1807, 0x09edef33, 0x0e6c78c1, 0x3b3c8179],
-                            [0xea406850, 0x400802b8, 0xac106fb6, 0xe1e2e766],
+                            [0xc7d45c3b, 0x6a82ff3a, 0xaf49a7ea, 0x7cf9a533],
                             [0x2b1f1807, 0x09edef33, 0x0e6c78c1, 0x3b3c8179],
-                            [0xb04e2626, 0x976e16f5, 0xc41a7a78, 0x2d8765da],
-                            [0xf4f30d97, 0x7f2876eb, 0x265ffad4, 0x3542a7c4],
-                            [0xa5082524, 0x38a86952, 0x35bf1fee, 0xfc830d3f],
-                            [0x75eab1a2, 0x62e2222f, 0xe96a20d9, 0x652140b4],
-                            [0x7590fa49, 0x78c83490, 0x239eeff9, 0x64282ac7],
-                            [0x70b19e9f, 0x66c1f866, 0xb8d7142a, 0xf3e424b2],
-                            [0xc2934123, 0x3bf72fc4, 0x12d8d123, 0x1f39525b],
-                            [0x13344919, 0xecd01190, 0x2f69079b, 0xbf4d7026],
-                            [0xcefb3284, 0xa9b36d4d, 0xf1aa6752, 0xaae17d44],
-                            [0x57f01275, 0xf8e883ea, 0x4865752e, 0xc760a777]]));
+                            [0xec3cf068, 0xe989c7f5, 0x0bd41758, 0x81199c9e],
+                            [0x24134118, 0xeece4c59, 0x3f319c04, 0xd04951fd],
+                            [0x5a2e4e52, 0xa11ad66f, 0x304f2a84, 0xe43aaa90],
+                            [0x06d8bb44, 0x00b83933, 0xacce3d6f, 0x7159cd5e],
+                            [0xe5dfb853, 0x93f2fe74, 0x932d8c1a, 0x2579208e],
+                            [0xcfc5cae6, 0xa878bbd5, 0x5f0302c5, 0x9c0623ae],
+                            [0x5103a4ad, 0xec5ebe4e, 0x445037ca, 0x3797abe1],
+                            [0x66c9b636, 0xaec1afb7, 0x978fa6eb, 0x964649f5],
+                            [0xf1d17b76, 0xe8351888, 0x59d4acf1, 0x22387b9e],
+                            [0x8fff649f, 0xf1fe573b, 0xfce60560, 0x47c8c8b1]]));
     }
 }