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audioconvert: tweak conversion constants

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Tweak the conversion constants a bit so that they handle the
extreme ranges a bit better.
Align the C and vector instructions.
Reactivate the unit test asserts when a conversion fails.
This commit is contained in:
Wim Taymans 2022-07-05 12:20:02 +02:00
parent e3951cc1f1
commit 22317da685
4 changed files with 237 additions and 227 deletions
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28
spa/plugins/audioconvert/fmt-ops.h
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@ -47,7 +47,6 @@
#define S8_MIN -127
#define S8_MAX 127
#define S8_MAX_F 127.0f
#define S8_SCALE 127.0f
#define S8_TO_F32(v) (((int8_t)(v)) * (1.0f / S8_SCALE))
#define F32_TO_S8(v) (int8_t)SPA_CLAMP((v) * S8_SCALE, S8_MIN, S8_MAX)
@ -57,17 +56,16 @@
#define U16_MAX 65535u
#define U16_SCALE 32767.5f
#define U16_OFFS 32768.f
#define U16_TO_F32(v) ((((uint16_t)(v)) * (1.0f / U16_OFFS)) - 1.0)
#define U16S_TO_F32(v) (((uint16_t)bswap_16((uint16_t)(v)) * (1.0f / U16_OFFS)) - 1.0)
#define U16_TO_F32(v) ((((uint16_t)(v)) * (1.0f / U16_OFFS)) - 1.0f)
#define U16S_TO_F32(v) (((uint16_t)bswap_16((uint16_t)(v)) * (1.0f / U16_OFFS)) - 1.0f)
#define F32_TO_U16(v) (uint16_t)SPA_CLAMP((v) * U16_SCALE + U16_OFFS, U16_MIN, U16_MAX)
#define F32_TO_U16_D(v,d) (uint16_t)SPA_CLAMP((v) * U16_SCALE + U16_OFFS + (d), U16_MIN, U16_MAX)
#define F32_TO_U16S(v) bswap_16(F32_TO_U16(v))
#define F32_TO_U16S_D(v,d) bswap_16(F32_TO_U16_D(v,d))
#define S16_MIN -32767
#define S16_MIN -32768
#define S16_MAX 32767
#define S16_MAX_F 32767.0f
#define S16_SCALE 32767.0f
#define S16_SCALE 32768.0f
#define S16_TO_F32(v) (((int16_t)(v)) * (1.0f / S16_SCALE))
#define S16S_TO_F32(v) (((int16_t)bswap_16(v)) * (1.0f / S16_SCALE))
#define F32_TO_S16(v) (int16_t)SPA_CLAMP((v) * S16_SCALE, S16_MIN, S16_MAX)
@ -79,14 +77,13 @@
#define U24_MAX 16777215u
#define U24_SCALE 8388607.5f
#define U24_OFFS 8388608.f
#define U24_TO_F32(v) ((u24_to_u32(v) * (1.0f / U24_OFFS)) - 1.0)
#define U24_TO_F32(v) ((u24_to_u32(v) * (1.0f / U24_OFFS)) - 1.0f)
#define F32_TO_U24(v) u32_to_u24(SPA_CLAMP((v) * U24_SCALE + U24_OFFS, U24_MIN, U24_MAX))
#define F32_TO_U24_D(v,d) u32_to_u24(SPA_CLAMP((v) * U24_SCALE + U24_OFFS + (d), U24_MIN, U24_MAX))
#define S24_MIN -8388607
#define S24_MIN -8388608
#define S24_MAX 8388607
#define S24_MAX_F 8388607.0f
#define S24_SCALE 8388607.0f
#define S24_SCALE 8388608.0f
#define S24_TO_F32(v) (s24_to_s32(v) * (1.0f / S24_SCALE))
#define S24S_TO_F32(v) (s24_to_s32(bswap_s24(v)) * (1.0f / S24_SCALE))
#define F32_TO_S24(v) s32_to_s24(SPA_CLAMP((v) * S24_SCALE, S24_MIN, S24_MAX))
@ -94,16 +91,15 @@
#define F32_TO_S24_D(v,d) s32_to_s24(SPA_CLAMP((v) * S24_SCALE + (d), S24_MIN, S24_MAX))
#define U32_MIN 0u
#define U32_MAX 4294967040u
#define U32_SCALE 2147483520.f
#define U32_OFFS 2147483520.f
#define U32_TO_F32(v) ((((uint32_t)(v)) * (1.0f / U32_OFFS)) - 1.0)
#define U32_MAX 4294967295
#define U32_SCALE 2147483647.5f
#define U32_OFFS 2147483648.f
#define U32_TO_F32(v) ((((uint32_t)(v)) * (1.0f / U32_OFFS)) - 1.0f)
#define F32_TO_U32(v) (uint32_t)SPA_CLAMP((v) * U32_SCALE + U32_OFFS, U32_MIN, U32_MAX)
#define F32_TO_U32_D(v,d) (uint32_t)SPA_CLAMP((v) * U32_SCALE + U32_OFFS + (d), U32_MIN, U32_MAX)
#define S32_MIN -2147483520
#define S32_MIN -2147483648
#define S32_MAX 2147483520
#define S32_MAX_F 2147483520.f
#define S32_SCALE 2147483648.f
#define S32_TO_F32(v) (((int32_t)(v)) * (1.0f / S32_SCALE))
#define S32S_TO_F32(v) (((int32_t)bswap_32(v)) * (1.0f / S32_SCALE))