let hh = (h / 2) as isize;
let mut band0 = src.as_ptr();
let mut band1 = band0.offset(hw);
- let mut band2 = band0.offset(((h / 2) * sstride) as isize);
+ let mut band2 = band0.add((h / 2) * sstride);
let mut band3 = band2.offset(hw);
let mut dst0 = dst.as_mut_ptr();
- let mut dst1 = dst0.offset(dstride as isize);
+ let mut dst1 = dst0.add(dstride);
for _ in 0..hh {
let mut b0_ptr = band0;
let mut b1_ptr = band1;
let mut d0_ptr = dst0;
let mut d1_ptr = dst1;
for _ in 0..hw {
- let p0 = *b0_ptr as i32;
- let p1 = *b1_ptr as i32;
- let p2 = *b2_ptr as i32;
- let p3 = *b3_ptr as i32;
+ let p0 = i32::from(*b0_ptr);
+ let p1 = i32::from(*b1_ptr);
+ let p2 = i32::from(*b2_ptr);
+ let p3 = i32::from(*b3_ptr);
let s0 = p0.wrapping_add(p2);
let s1 = p1.wrapping_add(p3);
let d0 = p0.wrapping_sub(p2);
d0_ptr = d0_ptr.offset(2);
d1_ptr = d1_ptr.offset(2);
}
- band0 = band0.offset(sstride as isize);
- band1 = band1.offset(sstride as isize);
- band2 = band2.offset(sstride as isize);
- band3 = band3.offset(sstride as isize);
- dst0 = dst0.offset((dstride * 2) as isize);
- dst1 = dst1.offset((dstride * 2) as isize);
+ band0 = band0.add(sstride);
+ band1 = band1.add(sstride);
+ band2 = band2.add(sstride);
+ band3 = band3.add(sstride);
+ dst0 = dst0.add(dstride * 2);
+ dst1 = dst1.add(dstride * 2);
}
}
}
&INDEO4_QUANT4X4_INTER[3], &INDEO4_QUANT4X4_INTER[4]
];
-pub fn get_decoder() -> Box<NADecoder> {
+pub fn get_decoder() -> Box<dyn NADecoder> {
Box::new(Indeo4Decoder::new())
}