diff options
Diffstat (limited to 'src/pcm/Interleave.cxx')
| -rw-r--r-- | src/pcm/Interleave.cxx | 33 |
1 files changed, 28 insertions, 5 deletions
diff --git a/src/pcm/Interleave.cxx b/src/pcm/Interleave.cxx index 14ca53434..8f8f152c5 100644 --- a/src/pcm/Interleave.cxx +++ b/src/pcm/Interleave.cxx @@ -20,7 +20,6 @@ #include "config.h" #include "Interleave.hxx" -#include <stdint.h> #include <string.h> static void @@ -38,12 +37,36 @@ GenericPcmInterleave(uint8_t *gcc_restrict dest, } void +PcmInterleave32(int32_t *gcc_restrict dest, + const ConstBuffer<const int32_t *> src, + size_t n_frames) +{ + for (const auto *s : src) { + auto *d = dest++; + + for (const auto *const s_end = s + n_frames; + s != s_end; ++s, d += src.size) + *d = *s; + } +} + +void PcmInterleave(void *gcc_restrict dest, ConstBuffer<const void *> src, size_t n_frames, size_t sample_size) { - GenericPcmInterleave((uint8_t *)dest, - ConstBuffer<const uint8_t *>((const uint8_t *const*)src.data, - src.size), - n_frames, sample_size); + switch (sample_size) { + case 4: + PcmInterleave32((int32_t *)dest, + ConstBuffer<const int32_t *>((const int32_t *const*)src.data, + src.size), + n_frames); + break; + + default: + GenericPcmInterleave((uint8_t *)dest, + ConstBuffer<const uint8_t *>((const uint8_t *const*)src.data, + src.size), + n_frames, sample_size); + } } |