claunia/cuetools.net
1
0
Fork 0
mirror of https://github.com/claunia/cuetools.net.git synced 2025-12-16 18:14:25 +00:00
Code Issues Packages Projects Releases Wiki Activity

optimizations

Browse Source
This commit is contained in:
chudov
2009-12-24 16:13:00 +00:00
parent ebaa2d79a0
commit 65ef219a4e
1 changed files with 7 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
CUETools.AccurateRip/AccurateRip.cs
View File

@@ -141,13 +141,16 @@ All the other CRC's in this offset range are calculated by consequently adding s
fixed (uint* CRCs = &_offsetedCRC[iTrack, 0])
{
uint baseSum = 0, stepSum = 0;
currentOffset += (uint)_arOffsetRange + 1;
for (uint si = 0; si < count; si++)
int* s = samples, fin = samples + 2 * count;
uint mult = 0;
while (s < fin)
{
uint sampleValue = (uint)((samples[2 * si] & 0xffff) + (samples[2 * si + 1] << 16));
uint sampleValue = (uint)((*(s++) & 0xffff) + (*(s++) << 16));
stepSum += sampleValue;
baseSum += sampleValue * (uint)(currentOffset + si);
baseSum += sampleValue * (mult++);
}
currentOffset += (uint)_arOffsetRange + 1;
baseSum += stepSum * (uint)currentOffset;
for (int i = 2 * _arOffsetRange; i >= 0; i--)
{
CRCs[i] += baseSum;