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author | Kostya Shishkov <kostya.shishkov@gmail.com> | 2019-11-27 15:04:14 +0100 |
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committer | Kostya Shishkov <kostya.shishkov@gmail.com> | 2019-11-27 15:04:14 +0100 |
commit | ff8cb3aa6ed9cafb4378401406d0081fbba079bf (patch) | |
tree | 1c5f87abf0c9617d4d5d8bf3dd6d5e58559725b6 /nihav-core/src | |
parent | 79ec1d51391cccce3c8ca2d4ea7e640cc78f0ee6 (diff) | |
download | nihav-ff8cb3aa6ed9cafb4378401406d0081fbba079bf.tar.gz |
core/soundcvt: use wrapping mul in sample width extension
Diffstat (limited to 'nihav-core/src')
-rw-r--r-- | nihav-core/src/soundcvt/mod.rs | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/nihav-core/src/soundcvt/mod.rs b/nihav-core/src/soundcvt/mod.rs index b9030f3..9db0b79 100644 --- a/nihav-core/src/soundcvt/mod.rs +++ b/nihav-core/src/soundcvt/mod.rs @@ -98,10 +98,10 @@ impl FromFmt<u8> for u8 { fn cvt_from(val: u8) -> u8 { val } } impl FromFmt<u8> for i16 { - fn cvt_from(val: u8) -> i16 { ((val as i16) - 128) * 0x101 } + fn cvt_from(val: u8) -> i16 { ((val as i16) - 128).wrapping_mul(0x101) } } impl FromFmt<u8> for i32 { - fn cvt_from(val: u8) -> i32 { ((val as i32) - 128) * 0x01010101 } + fn cvt_from(val: u8) -> i32 { ((val as i32) - 128).wrapping_mul(0x01010101) } } impl FromFmt<u8> for f32 { fn cvt_from(val: u8) -> f32 { ((val as f32) - 128.0) / 128.0 } @@ -114,7 +114,7 @@ impl FromFmt<i16> for i16 { fn cvt_from(val: i16) -> i16 { val } } impl FromFmt<i16> for i32 { - fn cvt_from(val: i16) -> i32 { (val as i32) * 0x10001 } + fn cvt_from(val: i16) -> i32 { (val as i32).wrapping_mul(0x10001) } } impl FromFmt<i16> for f32 { fn cvt_from(val: i16) -> f32 { (val as f32) / 32768.0 } @@ -182,7 +182,6 @@ fn read_packed<T:Copy>(src: &NAAudioBuffer<u8>, idx: usize, dst: &mut Vec<T>, fm for el in dst.iter_mut() { let src = &data[offset..]; *el = if !fmt.float { -println!("fmt = {} bytes, be: {}", fmt.bits, fmt.be); match (bytes, fmt.be) { (1, _) => src[0].cvt_into(), (2, true) => (read_u16be(src).unwrap() as i16).cvt_into(), |