oysteikt/mpd
0
0
Fork 0
Code Issues Pull Requests Releases Activity

pcm/Interleave: add stereo optimization

Browse Source
This commit is contained in:
Max Kellermann 2015-06-22 17:27:29 +02:00
parent 16639f9d71
commit b4fc2e38ab
1 changed files with 19 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
src/pcm/Interleave.cxx
View File

@ -36,12 +36,31 @@ GenericPcmInterleave(uint8_t *gcc_restrict dest,
}
}
template<typename T>
static void
PcmInterleaveStereo(T *gcc_restrict dest,
const T *gcc_restrict src1,
const T *gcc_restrict src2,
size_t n_frames)
{
for (size_t i = 0; i != n_frames; ++i) {
*dest++ = *src1++;
*dest++ = *src2++;
}
}
template<typename T>
static void
PcmInterleaveT(T *gcc_restrict dest,
const ConstBuffer<const T *> src,
size_t n_frames)
{
switch (src.size) {
case 2:
PcmInterleaveStereo(dest, src[0], src[1], n_frames);
return;
}
for (const auto *s : src) {
auto *d = dest++;