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fmt-ops: add support for s24 with endian conversion

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This commit is contained in:
Wim Taymans 2020-01-27 15:46:25 +01:00
parent c047bab910
commit f4387e0568
3 changed files with 43 additions and 0 deletions
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25
spa/plugins/audioconvert/fmt-ops.h
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@ -63,6 +63,16 @@ static inline int32_t read_s24(const void *src)
#endif
}
static inline int32_t read_s24s(const void *src)
{
const int8_t *s = src;
#if __BYTE_ORDER == __LITTLE_ENDIAN
return (((int32_t)s[0] << 16) | ((uint32_t)(uint8_t)s[1] << 8) | (uint32_t)(uint8_t)s[2]);
#else
return (((int32_t)s[2] << 16) | ((uint32_t)(uint8_t)s[1] << 8) | (uint32_t)(uint8_t)s[0]);
#endif
}
static inline void write_s24(void *dst, int32_t val)
{
uint8_t *d = dst;
@ -77,6 +87,20 @@ static inline void write_s24(void *dst, int32_t val)
#endif
}
static inline void write_s24s(void *dst, int32_t val)
{
uint8_t *d = dst;
#if __BYTE_ORDER == __LITTLE_ENDIAN
d[0] = (uint8_t) (val >> 16);
d[1] = (uint8_t) (val >> 8);
d[2] = (uint8_t) (val);
#else
d[0] = (uint8_t) (val);
d[1] = (uint8_t) (val >> 8);
d[2] = (uint8_t) (val >> 16);
#endif
}
#define MAX_NS 64
struct convert {
@ -127,6 +151,7 @@ DEFINE_FUNCTION(s32d_to_f32, c);
DEFINE_FUNCTION(s24d_to_f32d, c);
DEFINE_FUNCTION(s24_to_f32, c);
DEFINE_FUNCTION(s24_to_f32d, c);
DEFINE_FUNCTION(s24s_to_f32d, c);
DEFINE_FUNCTION(s24d_to_f32, c);
DEFINE_FUNCTION(s24_32d_to_f32d, c);
DEFINE_FUNCTION(s24_32_to_f32, c);