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Diffstat (limited to '')
| -rw-r--r-- | src/pcm_utils.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/pcm_utils.h b/src/pcm_utils.h index 001423b37..4ad896570 100644 --- a/src/pcm_utils.h +++ b/src/pcm_utils.h @@ -63,4 +63,32 @@ pcm_range_64(int64_t sample, unsigned bits) return sample; } +G_GNUC_CONST +static inline int16_t +pcm_clamp_16(int x) +{ + static const int32_t MIN_VALUE = G_MININT16; + static const int32_t MAX_VALUE = G_MAXINT16; + + if (G_UNLIKELY(x < MIN_VALUE)) + return MIN_VALUE; + if (G_UNLIKELY(x > MAX_VALUE)) + return MAX_VALUE; + return x; +} + +G_GNUC_CONST +static inline int32_t +pcm_clamp_24(int x) +{ + static const int32_t MIN_VALUE = -(1 << 23); + static const int32_t MAX_VALUE = (1 << 23) - 1; + + if (G_UNLIKELY(x < MIN_VALUE)) + return MIN_VALUE; + if (G_UNLIKELY(x > MAX_VALUE)) + return MAX_VALUE; + return x; +} + #endif |