diff options
author | Lennart Poettering <lennart@poettering.net> | 2007-10-02 20:26:08 +0000 |
---|---|---|
committer | Lennart Poettering <lennart@poettering.net> | 2007-10-02 20:26:08 +0000 |
commit | 18301dfca56ba8545549e80f84423d83a46c6b64 (patch) | |
tree | 28854229666a3054a2985cd040d504e860e0623b /src/byteswap.c | |
parent | 0ec595d89d9e1c10cd3f8a3d8dd3a1235c6f5fda (diff) |
a lot of minor cleanups
git-svn-id: file:///home/lennart/svn/public/libsydney/trunk@36 9ba3c220-e4d3-45a2-8aa3-73fcc9aff6ce
Diffstat (limited to 'src/byteswap.c')
-rw-r--r-- | src/byteswap.c | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/src/byteswap.c b/src/byteswap.c deleted file mode 100644 index 8ae0b7a..0000000 --- a/src/byteswap.c +++ /dev/null @@ -1,57 +0,0 @@ -#include <inttypes.h> - -#include "macro.h" -#include "byteswap.h" - -static void byteswap16(void *_dst, size_t dstr, const void *_src, size_t sstr, size_t bytes) { - uint16_t *dst = _dst; - const uint16_t *src = _src; - unsigned n = bytes / sizeof(uint16_t); - - for (; n > 0; n--) { - *dst = (*src >> 8) | (*src << 8); - src += sstr / sizeof(uint16_t); - dst += dstr / sizeof(uint16_t); - } -} - -static void byteswap24(void *_dst, size_t dstr, const void *_src, size_t sstr, size_t bytes) { - uint8_t *dst = _dst; - const uint8_t *src = _src; - unsigned n = bytes / (sizeof(uint8_t)*3); - - for (; n > 0; n--) { - dst[0] = src[2]; - dst[2] = src[0]; - - src += sstr / (sizeof(uint8_t)*3); - dst += dstr / (sizeof(uint8_t)*3); - } -} - -static void byteswap32(void *_dst, size_t dstr, const void *_src, size_t sstr, size_t bytes) { - uint32_t *dst = _dst; - const uint32_t *src = _src; - unsigned n = bytes / sizeof(uint32_t); - - for (; n > 0; n--) { - *dst = (*src << 24) | ((*src & 0xFF00) << 8) | ((*src >> 8) & 0xFF00) | (*src >> 24); - src += sstr / sizeof(uint32_t); - dst += dstr / sizeof(uint32_t); - } -} - -sa_byteswap_func_t sa_get_byteswap_func(sa_pcm_format_t f) { - - static const sa_byteswap_func_t funcs[_SA_PCM_FORMAT_MAX] = { - [SA_PCM_FORMAT_S16_RE] = byteswap16, - [SA_PCM_FORMAT_S24_RE] = byteswap24, - [SA_PCM_FORMAT_S32_RE] = byteswap32, - [SA_PCM_FORMAT_FLOAT32_BE] = byteswap32, - }; - - sa_assert(f < _SA_PCM_FORMAT_MAX); - - return funcs[f]; -} - |