diff options
author | Lennart Poettering <lennart@poettering.net> | 2004-07-02 18:47:03 +0000 |
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committer | Lennart Poettering <lennart@poettering.net> | 2004-07-02 18:47:03 +0000 |
commit | 13b35a2489e7e1d6341effe6e25b8cb8a0a94a02 (patch) | |
tree | d058c8021b02ec17583c3a95dd8a18e27c0e1a4c /src/endianmacros.h | |
parent | 961fb4466a9396a11f1a9a6e7d4193409b8949d6 (diff) |
add resampler
git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@44 fefdeb5f-60dc-0310-8127-8f9354f1896f
Diffstat (limited to 'src/endianmacros.h')
-rw-r--r-- | src/endianmacros.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/src/endianmacros.h b/src/endianmacros.h new file mode 100644 index 00000000..2394b3e8 --- /dev/null +++ b/src/endianmacros.h @@ -0,0 +1,41 @@ +#ifndef fooendianmacroshfoo +#define fooendianmacroshfoo + +#include <inttypes.h> + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#define INT16_SWAP(x) ((int16_t)(((int16_t) x >> 8) | ((int16_t) x << 8))) +#define UINT16_SWAP(x) ((uint16_t)(((uint16_t) x >> 8) | ((uint16_t) x << 8))) +#define INT32_SWAP(x) ((int32_t)(((int32_t) x >> 24) | ((int32_t) x << 24) | (((int32_t) x & 0xFF00) << 16) | (((int32_t) x) >> 16) & 0xFF00)) +#define UINT32_SWAP(x) ((uint32_t)(((uint32_t) x >> 24) | ((uint32_t) x << 24) | (((uint32_t) x & 0xFF00) << 16) | (((uint32_t) x) >> 16) & 0xFF00)) + +#ifdef WORDS_BIGENDIAN + #define INT16_FROM_LE(x) INT16_SWAP(x) + #define INT16_FROM_BE(x) ((int16_t)(x)) + #define INT16_TO_LE(x) INT16_SWAP(x) + #define INT16_TO_BE(x) ((int16_t)(x)) + + #define UINT16_FROM_LE(x) UINT16_SWAP(x) + #define UINT16_FROM_BE(x) ((uint16_t)(x)) + #define INT32_FROM_LE(x) INT32_SWAP(x) + #define INT32_FROM_BE(x) ((int32_t)(x)) + #define UINT32_FROM_LE(x) UINT32_SWAP(x) + #define UINT32_FROM_BE(x) ((uint32_t)(x)) +#else + #define INT16_FROM_LE(x) ((int16_t)(x)) + #define INT16_FROM_BE(x) INT16_SWAP(x) + #define INT16_TO_LE(x) ((int16_t)(x)) + #define INT16_TO_BE(x) INT16_SWAP(x) + + #define UINT16_FROM_LE(x) ((uint16_t)(x)) + #define UINT16_FROM_BE(x) UINT16_SWAP(x) + #define INT32_FROM_LE(x) ((int32_t)(x)) + #define INT32_FROM_BE(x) INT32_SWAP(x) + #define UINT32_FROM_LE(x) ((uint32_t)(x)) + #define UINT32_FROM_BE(x) UINT32_SWAP(x) +#endif + +#endif |