X-Git-Url: https://git.nihav.org/?a=blobdiff_plain;f=nihav-indeo%2Fsrc%2Fcodecs%2Fivibr.rs;h=e023bdb77e1a3f08edd1acc8845d11afde457bd1;hb=6f2630992fe340ad1a122ec10c649f756e478185;hp=c6609ccaf15c62a97cf76778566ec5b58629e711;hpb=ac818eac7671fa8ddfea5aa4fb86fc0b5ab82d2e;p=nihav.git diff --git a/nihav-indeo/src/codecs/ivibr.rs b/nihav-indeo/src/codecs/ivibr.rs index c6609cc..e023bdb 100644 --- a/nihav-indeo/src/codecs/ivibr.rs +++ b/nihav-indeo/src/codecs/ivibr.rs @@ -258,7 +258,7 @@ fn decode_block8x8(br: &mut BitReader, blk_cb: &IVICodebook, rvmap: &RVMap, tabl } } idx += run; - validate!((idx >= 0) && (idx < 64)); + validate!((0..64).contains(&idx)); let spos = tables.scan[idx as usize]; let q = (u32::from(quant_mat[spos]) * u32::from(quant)) >> 9; @@ -308,7 +308,7 @@ fn decode_block4x4(br: &mut BitReader, blk_cb: &IVICodebook, rvmap: &RVMap, tabl } } idx += run; - validate!((idx >= 0) && (idx < 16)); + validate!((0..16).contains(&idx)); let spos = tables.scan[idx as usize]; let q = (u32::from(quant_mat[spos]) * u32::from(quant)) >> 9; @@ -510,8 +510,8 @@ impl IVIDecoder { fn realloc(&mut self, pic_hdr: &PictureHeader) -> DecoderResult<()> { let planes = if pic_hdr.transparent { 4 } else { 3 }; - //self.bands.truncate(0); - self.tiles.truncate(0); + //self.bands.clear(); + self.tiles.clear(); self.num_tiles = [[0; 4]; 4]; self.tile_start = [[0; 4]; 4]; let mut tstart: usize = 0; @@ -582,7 +582,7 @@ impl IVIDecoder { let mb_h = (tile.h + mb_size - 1) / mb_size; tile.mb_w = mb_w; tile.mb_h = mb_h; - tile.mb.truncate(0); + tile.mb.clear(); tile.mb.resize(mb_w * mb_h, MB::new(0, 0)); } @@ -653,7 +653,7 @@ br.skip(skip_part as u32)?; mb.mtype = MBType::Inter; mb.cbp = 0; if band.inherit_mv { - if let Some(ref tileref) = ref_tile { + if let Some(tileref) = ref_tile { let mx = tileref.mb[mb_idx].mv_x; let my = tileref.mb[mb_idx].mv_y; mb.mv_x = scale_mv(mx, mv_scale); @@ -680,7 +680,7 @@ br.skip(skip_part as u32)?; let stride = frame.plane_stride[band.plane_no]; let mut dstidx = tile.pos_x + tile.pos_y * stride; - let mut dst = &mut frame.plane_buf[band.plane_no]; + let dst = &mut frame.plane_buf[band.plane_no]; let pos_x = tile.pos_x; let pos_y = tile.pos_y; let tile_w = (tile.w + 15) & !15; @@ -728,23 +728,23 @@ br.skip(skip_part as u32)?; if let TxType::Transform8(ref params) = band.ttype { decode_block8x8(br, &band.blk_cb, &band.rvmap, params, is_intra, band.tr.is_2d(), &mut prev_dc, mb.q, &mut blk, tr)?; if is_intra { - put_block(&mut dst, dstidx + boff, stride, &blk, 8); + put_block(dst, dstidx + boff, stride, &blk, 8); } else { - add_block(&mut dst, dstidx + boff, stride, &blk, 8); + add_block(dst, dstidx + boff, stride, &blk, 8); } } if let TxType::Transform4(ref params) = band.ttype { decode_block4x4(br, &band.blk_cb, &band.rvmap, params, is_intra, band.tr.is_2d(), &mut prev_dc, mb.q, &mut blk, tr)?; if is_intra { - put_block(&mut dst, dstidx + boff, stride, &blk, 4); + put_block(dst, dstidx + boff, stride, &blk, 4); } else { - add_block(&mut dst, dstidx + boff, stride, &blk, 4); + add_block(dst, dstidx + boff, stride, &blk, 4); } } } else { if is_intra { (transform_dc)(&mut blk, prev_dc); - put_block(&mut dst, dstidx + boff, stride, &blk, band.blk_size); + put_block(dst, dstidx + boff, stride, &blk, band.blk_size); } } cbp >>= 1; @@ -788,24 +788,24 @@ br.skip(skip_part as u32)?; } if is_intra { if band.blk_size == 8 { - put_block(&mut dst, dstidx + mb_x * band.blk_size, stride, &blk, 8); + put_block(dst, dstidx + mb_x * band.blk_size, stride, &blk, 8); } else { - put_block(&mut dst, dstidx + mb_x * band.blk_size, stride, &blk, 4); + put_block(dst, dstidx + mb_x * band.blk_size, stride, &blk, 4); } } else { if band.blk_size == 8 { - add_block(&mut dst, dstidx + mb_x * band.blk_size, stride, &blk, 8); + add_block(dst, dstidx + mb_x * band.blk_size, stride, &blk, 8); } else { - add_block(&mut dst, dstidx + mb_x * band.blk_size, stride, &blk, 4); + add_block(dst, dstidx + mb_x * band.blk_size, stride, &blk, 4); } } } else { if is_intra { (transform_dc)(&mut blk, prev_dc); if band.blk_size == 8 { - put_block(&mut dst, dstidx + mb_x * band.blk_size, stride, &blk, 8); + put_block(dst, dstidx + mb_x * band.blk_size, stride, &blk, 8); } else { - put_block(&mut dst, dstidx + mb_x * band.blk_size, stride, &blk, 4); + put_block(dst, dstidx + mb_x * band.blk_size, stride, &blk, 4); } } } @@ -931,8 +931,8 @@ br.skip(skip_part as u32)?; let seq = br.peek(21); if seq == 0xBFFF8 { let res2 = self.decode_single_frame(dec, br); - if res2.is_ok() { - self.bref = Some(res2.unwrap()); + if let Ok(res) = res2 { + self.bref = Some(res); } } self.ftype = IVIFrameType::Intra;