Corrected conditional compilations for spl inline functions in ARM.
Review URL: http://webrtc-codereview.appspot.com/140004 git-svn-id: http://webrtc.googlecode.com/svn/trunk@571 4adac7df-926f-26a2-2b94-8c16560cd09d
This commit is contained in:
kma@google.com
parent
6f54c20703
commit
0ada410d37
@ -34,78 +34,97 @@
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#define WEBRTC_SPL_MAX_SEED_USED 0x80000000L
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#define WEBRTC_SPL_MIN(A, B) (A < B ? A : B) // Get min value
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#define WEBRTC_SPL_MAX(A, B) (A > B ? A : B) // Get max value
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#define WEBRTC_SPL_ABS_W16(a)\
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#define WEBRTC_SPL_ABS_W16(a) \
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(((WebRtc_Word16)a >= 0) ? ((WebRtc_Word16)a) : -((WebRtc_Word16)a))
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#define WEBRTC_SPL_ABS_W32(a)\
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#define WEBRTC_SPL_ABS_W32(a) \
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(((WebRtc_Word32)a >= 0) ? ((WebRtc_Word32)a) : -((WebRtc_Word32)a))
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#if (defined WEBRTC_TARGET_PC)||(defined __TARGET_XSCALE)
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#define WEBRTC_SPL_GET_BYTE(a, nr) (((WebRtc_Word8 *)a)[nr])
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#define WEBRTC_SPL_SET_BYTE(d_ptr, val, index) \
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(((WebRtc_Word8 *)d_ptr)[index] = (val))
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#define WEBRTC_SPL_SET_BYTE(d_ptr, val, index) \
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(((WebRtc_Word8 *)d_ptr)[index] = (val))
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#elif defined WEBRTC_BIG_ENDIAN
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#define WEBRTC_SPL_GET_BYTE(a, nr)\
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#define WEBRTC_SPL_GET_BYTE(a, nr) \
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((((WebRtc_Word16 *)a)[nr >> 1]) >> (((nr + 1) & 0x1) * 8) & 0x00ff)
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#define WEBRTC_SPL_SET_BYTE(d_ptr, val, index) \
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((WebRtc_Word16 *)d_ptr)[index >> 1] = \
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((((WebRtc_Word16 *)d_ptr)[index >> 1]) \
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& (0x00ff << (8 * ((index) & 0x1)))) | (val << (8 * ((index + 1) & 0x1)))
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#define WEBRTC_SPL_SET_BYTE(d_ptr, val, index) \
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((WebRtc_Word16 *)d_ptr)[index >> 1] = \
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((((WebRtc_Word16 *)d_ptr)[index >> 1]) \
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& (0x00ff << (8 * ((index) & 0x1)))) | (val << (8 * ((index + 1) & 0x1)))
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#else
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#define WEBRTC_SPL_GET_BYTE(a,nr) \
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((((WebRtc_Word16 *)(a))[(nr) >> 1]) >> (((nr) & 0x1) * 8) & 0x00ff)
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#define WEBRTC_SPL_SET_BYTE(d_ptr, val, index) \
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((WebRtc_Word16 *)(d_ptr))[(index) >> 1] = \
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((((WebRtc_Word16 *)(d_ptr))[(index) >> 1]) \
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& (0x00ff << (8 * (((index) + 1) & 0x1)))) | \
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((val) << (8 * ((index) & 0x1)))
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#define WEBRTC_SPL_GET_BYTE(a,nr) \
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((((WebRtc_Word16 *)(a))[(nr) >> 1]) >> (((nr) & 0x1) * 8) & 0x00ff)
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#define WEBRTC_SPL_SET_BYTE(d_ptr, val, index) \
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((WebRtc_Word16 *)(d_ptr))[(index) >> 1] = \
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((((WebRtc_Word16 *)(d_ptr))[(index) >> 1]) \
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& (0x00ff << (8 * (((index) + 1) & 0x1)))) | \
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((val) << (8 * ((index) & 0x1)))
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#endif
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#define WEBRTC_SPL_UMUL(a, b) \
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((WebRtc_UWord32) ((WebRtc_UWord32)(a) * (WebRtc_UWord32)(b)))
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#define WEBRTC_SPL_UMUL_RSFT16(a, b)\
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#define WEBRTC_SPL_MUL(a, b) \
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((WebRtc_Word32) ((WebRtc_Word32)(a) * (WebRtc_Word32)(b)))
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#define WEBRTC_SPL_UMUL(a, b) \
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((WebRtc_UWord32) ((WebRtc_UWord32)(a) * (WebRtc_UWord32)(b)))
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#define WEBRTC_SPL_UMUL_RSFT16(a, b) \
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((WebRtc_UWord32) ((WebRtc_UWord32)(a) * (WebRtc_UWord32)(b)) >> 16)
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#define WEBRTC_SPL_UMUL_16_16(a, b)\
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#define WEBRTC_SPL_UMUL_16_16(a, b) \
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((WebRtc_UWord32) (WebRtc_UWord16)(a) * (WebRtc_UWord16)(b))
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#define WEBRTC_SPL_UMUL_16_16_RSFT16(a, b)\
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#define WEBRTC_SPL_UMUL_16_16_RSFT16(a, b) \
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(((WebRtc_UWord32) (WebRtc_UWord16)(a) * (WebRtc_UWord16)(b)) >> 16)
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#define WEBRTC_SPL_UMUL_32_16(a, b)\
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#define WEBRTC_SPL_UMUL_32_16(a, b) \
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((WebRtc_UWord32) ((WebRtc_UWord32)(a) * (WebRtc_UWord16)(b)))
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#define WEBRTC_SPL_UMUL_32_16_RSFT16(a, b)\
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#define WEBRTC_SPL_UMUL_32_16_RSFT16(a, b) \
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((WebRtc_UWord32) ((WebRtc_UWord32)(a) * (WebRtc_UWord16)(b)) >> 16)
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#define WEBRTC_SPL_MUL_16_U16(a, b)\
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#define WEBRTC_SPL_MUL_16_U16(a, b) \
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((WebRtc_Word32)(WebRtc_Word16)(a) * (WebRtc_UWord16)(b))
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#define WEBRTC_SPL_DIV(a, b) \
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((WebRtc_Word32) ((WebRtc_Word32)(a) / (WebRtc_Word32)(b)))
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#define WEBRTC_SPL_UDIV(a, b) \
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((WebRtc_UWord32) ((WebRtc_UWord32)(a) / (WebRtc_UWord32)(b)))
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#define WEBRTC_SPL_DIV(a, b) \
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((WebRtc_Word32) ((WebRtc_Word32)(a) / (WebRtc_Word32)(b)))
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#define WEBRTC_SPL_UDIV(a, b) \
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((WebRtc_UWord32) ((WebRtc_UWord32)(a) / (WebRtc_UWord32)(b)))
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#define WEBRTC_SPL_MUL_16_32_RSFT11(a, b)\
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((WEBRTC_SPL_MUL_16_16(a, (b) >> 16) << 5) \
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+ (((WEBRTC_SPL_MUL_16_U16(a, (WebRtc_UWord16)(b)) >> 1) + 0x0200) >> 10))
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#define WEBRTC_SPL_MUL_16_32_RSFT14(a, b)\
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((WEBRTC_SPL_MUL_16_16(a, (b) >> 16) << 2) \
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+ (((WEBRTC_SPL_MUL_16_U16(a, (WebRtc_UWord16)(b)) >> 1) + 0x1000) >> 13))
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#define WEBRTC_SPL_MUL_16_32_RSFT15(a, b) \
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((WEBRTC_SPL_MUL_16_16(a, (b) >> 16) << 1) \
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+ (((WEBRTC_SPL_MUL_16_U16(a, (WebRtc_UWord16)(b)) >> 1) + 0x2000) >> 14))
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#ifndef WEBRTC_ARCH_ARM_V7A
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// For ARMv7 platforms, these are inline functions in spl_inl_armv7.h
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#define WEBRTC_SPL_MUL_16_16(a, b) \
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((WebRtc_Word32) (((WebRtc_Word16)(a)) * ((WebRtc_Word16)(b))))
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#define WEBRTC_SPL_MUL_16_32_RSFT16(a, b) \
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(WEBRTC_SPL_MUL_16_16(a, b >> 16) \
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+ ((WEBRTC_SPL_MUL_16_16(a, (b & 0xffff) >> 1) + 0x4000) >> 15))
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#define WEBRTC_SPL_MUL_32_32_RSFT32(a32a, a32b, b32) \
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((WebRtc_Word32)(WEBRTC_SPL_MUL_16_32_RSFT16(a32a, b32) \
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+ (WEBRTC_SPL_MUL_16_32_RSFT16(a32b, b32) >> 16)))
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#define WEBRTC_SPL_MUL_32_32_RSFT32BI(a32, b32) \
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((WebRtc_Word32)(WEBRTC_SPL_MUL_16_32_RSFT16(( \
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(WebRtc_Word16)(a32 >> 16)), b32) + \
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(WEBRTC_SPL_MUL_16_32_RSFT16(( \
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(WebRtc_Word16)((a32 & 0x0000FFFF) >> 1)), b32) >> 15)))
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#endif
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#define WEBRTC_SPL_MUL_16_32_RSFT11(a, b) \
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((WEBRTC_SPL_MUL_16_16(a, (b) >> 16) << 5) \
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+ (((WEBRTC_SPL_MUL_16_U16(a, (WebRtc_UWord16)(b)) >> 1) + 0x0200) >> 10))
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#define WEBRTC_SPL_MUL_16_32_RSFT14(a, b) \
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((WEBRTC_SPL_MUL_16_16(a, (b) >> 16) << 2) \
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+ (((WEBRTC_SPL_MUL_16_U16(a, (WebRtc_UWord16)(b)) >> 1) + 0x1000) >> 13))
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#define WEBRTC_SPL_MUL_16_32_RSFT15(a, b) \
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((WEBRTC_SPL_MUL_16_16(a, (b) >> 16) << 1) \
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+ (((WEBRTC_SPL_MUL_16_U16(a, (WebRtc_UWord16)(b)) >> 1) + 0x2000) >> 14))
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#ifdef ARM_WINM
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#define WEBRTC_SPL_MUL_16_16(a, b) \
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_SmulLo_SW_SL((WebRtc_Word16)(a), (WebRtc_Word16)(b))
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#define WEBRTC_SPL_MUL_16_16(a, b) \
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_SmulLo_SW_SL((WebRtc_Word16)(a), (WebRtc_Word16)(b))
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#endif
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#define WEBRTC_SPL_MUL_16_16_RSFT(a, b, c) \
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(WEBRTC_SPL_MUL_16_16(a, b) >> (c))
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#define WEBRTC_SPL_MUL_16_16_RSFT(a, b, c) \
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(WEBRTC_SPL_MUL_16_16(a, b) >> (c))
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#define WEBRTC_SPL_MUL_16_16_RSFT_WITH_ROUND(a, b, c) \
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((WEBRTC_SPL_MUL_16_16(a, b) + ((WebRtc_Word32) \
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#define WEBRTC_SPL_MUL_16_16_RSFT_WITH_ROUND(a, b, c) \
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((WEBRTC_SPL_MUL_16_16(a, b) + ((WebRtc_Word32) \
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(((WebRtc_Word32)1) << ((c) - 1)))) >> (c))
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#define WEBRTC_SPL_MUL_16_16_RSFT_WITH_FIXROUND(a, b)\
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#define WEBRTC_SPL_MUL_16_16_RSFT_WITH_FIXROUND(a, b) \
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((WEBRTC_SPL_MUL_16_16(a, b) + ((WebRtc_Word32) (1 << 14))) >> 15)
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// C + the 32 most significant bits of A * B
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#define WEBRTC_SPL_SCALEDIFF32(A, B, C) \
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(C + (B >> 16) * A + (((WebRtc_UWord32)(0x0000FFFF & B) * A) >> 16))
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#define WEBRTC_SPL_SCALEDIFF32(A, B, C) \
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(C + (B >> 16) * A + (((WebRtc_UWord32)(0x0000FFFF & B) * A) >> 16))
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#define WEBRTC_SPL_ADD_SAT_W32(a, b) WebRtcSpl_AddSatW32(a, b)
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#define WEBRTC_SPL_SAT(a, b, c) (b > a ? a : b < c ? c : b)
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@ -119,10 +138,10 @@
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#define WEBRTC_SPL_IS_NEG(a) ((a) & 0x80000000)
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// Shifting with negative numbers allowed
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// Positive means left shift
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#define WEBRTC_SPL_SHIFT_W16(x, c) \
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(((c) >= 0) ? ((x) << (c)) : ((x) >> (-(c))))
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#define WEBRTC_SPL_SHIFT_W32(x, c) \
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(((c) >= 0) ? ((x) << (c)) : ((x) >> (-(c))))
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#define WEBRTC_SPL_SHIFT_W16(x, c) \
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(((c) >= 0) ? ((x) << (c)) : ((x) >> (-(c))))
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#define WEBRTC_SPL_SHIFT_W32(x, c) \
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(((c) >= 0) ? ((x) << (c)) : ((x) >> (-(c))))
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// Shifting with negative numbers not allowed
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// We cannot do casting here due to signed/unsigned problem
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@ -139,21 +158,21 @@
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#define WEBRTC_SPL_VNEW(t, n) (t *) malloc (sizeof (t) * (n))
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#define WEBRTC_SPL_FREE free
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#define WEBRTC_SPL_RAND(a)\
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((WebRtc_Word16)(WEBRTC_SPL_MUL_16_16_RSFT((a), 18816, 7) & 0x00007fff))
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#define WEBRTC_SPL_RAND(a) \
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((WebRtc_Word16)(WEBRTC_SPL_MUL_16_16_RSFT((a), 18816, 7) & 0x00007fff))
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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#define WEBRTC_SPL_MEMCPY_W8(v1, v2, length) \
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memcpy(v1, v2, (length) * sizeof(char))
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#define WEBRTC_SPL_MEMCPY_W16(v1, v2, length) \
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memcpy(v1, v2, (length) * sizeof(WebRtc_Word16))
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#define WEBRTC_SPL_MEMCPY_W8(v1, v2, length) \
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memcpy(v1, v2, (length) * sizeof(char))
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#define WEBRTC_SPL_MEMCPY_W16(v1, v2, length) \
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memcpy(v1, v2, (length) * sizeof(WebRtc_Word16))
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#define WEBRTC_SPL_MEMMOVE_W16(v1, v2, length) \
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memmove(v1, v2, (length) * sizeof(WebRtc_Word16))
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#define WEBRTC_SPL_MEMMOVE_W16(v1, v2, length) \
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memmove(v1, v2, (length) * sizeof(WebRtc_Word16))
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// Trigonometric tables used for quick lookup
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// default declarations
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@ -165,33 +184,8 @@ extern WebRtc_Word16 WebRtcSpl_kHanningTable[];
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// Random table
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extern WebRtc_Word16 WebRtcSpl_kRandNTable[];
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#ifndef WEBRTC_ARM_INLINE_CALLS
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WebRtc_Word16 WebRtcSpl_AddSatW16(WebRtc_Word16 var1, WebRtc_Word16 var2);
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WebRtc_Word16 WebRtcSpl_SubSatW16(WebRtc_Word16 var1, WebRtc_Word16 var2);
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WebRtc_Word32 WebRtcSpl_AddSatW32(WebRtc_Word32 var1, WebRtc_Word32 var2);
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WebRtc_Word32 WebRtcSpl_SubSatW32(WebRtc_Word32 var1, WebRtc_Word32 var2);
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WebRtc_Word16 WebRtcSpl_GetSizeInBits(WebRtc_UWord32 value);
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int WebRtcSpl_NormW32(WebRtc_Word32 value);
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int WebRtcSpl_NormW16(WebRtc_Word16 value);
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int WebRtcSpl_NormU32(WebRtc_UWord32 value);
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#define WEBRTC_SPL_MUL(a, b) \
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((WebRtc_Word32) ((WebRtc_Word32)(a) * (WebRtc_Word32)(b)))
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#define WEBRTC_SPL_MUL_16_16(a, b) \
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((WebRtc_Word32) (((WebRtc_Word16)(a)) * ((WebRtc_Word16)(b))))
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#define WEBRTC_SPL_MUL_16_32_RSFT16(a, b) \
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(WEBRTC_SPL_MUL_16_16(a, b >> 16) \
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+ ((WEBRTC_SPL_MUL_16_16(a, (b & 0xffff) >> 1) + 0x4000) >> 15))
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#define WEBRTC_SPL_MUL_32_32_RSFT32(a32a, a32b, b32) \
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((WebRtc_Word32)(WEBRTC_SPL_MUL_16_32_RSFT16(a32a, b32) \
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+ (WEBRTC_SPL_MUL_16_32_RSFT16(a32b, b32) >> 16)))
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#define WEBRTC_SPL_MUL_32_32_RSFT32BI(a32, b32) \
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((WebRtc_Word32)(WEBRTC_SPL_MUL_16_32_RSFT16(( \
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(WebRtc_Word16)(a32 >> 16)), b32) + \
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(WEBRTC_SPL_MUL_16_32_RSFT16(( \
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(WebRtc_Word16)((a32 & 0x0000FFFF) >> 1)), b32) >> 15)))
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#else
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// inline functions:
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#include "spl_inl.h"
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#endif // WEBRTC_ARM_INLINE_CALLS
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// Get SPL Version
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WebRtc_Word16 WebRtcSpl_get_version(char* version,
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@ -15,275 +15,152 @@
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#ifndef WEBRTC_SPL_SPL_INL_H_
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#define WEBRTC_SPL_SPL_INL_H_
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#ifdef WEBRTC_ARM_INLINE_CALLS
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WEBRTC_INLINE WebRtc_Word32 WEBRTC_SPL_MUL(WebRtc_Word32 a, WebRtc_Word32 b)
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{
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WebRtc_Word32 tmp;
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__asm__("mul %0, %1, %2":"=r"(tmp):"r"(a), "r"(b));
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return tmp;
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}
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WEBRTC_INLINE WebRtc_Word32 WEBRTC_SPL_MUL_16_32_RSFT16(WebRtc_Word16 a,
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WebRtc_Word32 b)
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{
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WebRtc_Word32 tmp;
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__asm__("smulwb %0, %1, %2":"=r"(tmp):"r"(b), "r"(a));
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return tmp;
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}
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WEBRTC_INLINE WebRtc_Word32 WEBRTC_SPL_MUL_32_32_RSFT32(WebRtc_Word16 a,
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WebRtc_Word16 b,
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WebRtc_Word32 c)
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{
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WebRtc_Word32 tmp;
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__asm__("pkhbt %0, %1, %2, lsl #16" : "=r"(tmp) : "r"(b), "r"(a));
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__asm__("smmul %0, %1, %2":"=r"(tmp):"r"(tmp), "r"(c));
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return tmp;
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}
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WEBRTC_INLINE WebRtc_Word32 WEBRTC_SPL_MUL_32_32_RSFT32BI(WebRtc_Word32 a,
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WebRtc_Word32 b)
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{
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WebRtc_Word32 tmp;
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__asm__("smmul %0, %1, %2":"=r"(tmp):"r"(a), "r"(b));
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return tmp;
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}
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WEBRTC_INLINE WebRtc_Word32 WEBRTC_SPL_MUL_16_16(WebRtc_Word16 a,
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WebRtc_Word16 b)
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{
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WebRtc_Word32 tmp;
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__asm__("smulbb %0, %1, %2":"=r"(tmp):"r"(a), "r"(b));
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return tmp;
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}
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WEBRTC_INLINE WebRtc_Word16 WebRtcSpl_AddSatW16(WebRtc_Word16 a,
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WebRtc_Word16 b)
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{
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WebRtc_Word32 s_sum;
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__asm__("qadd16 %0, %1, %2":"=r"(s_sum):"r"(a), "r"(b));
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return (WebRtc_Word16) s_sum;
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}
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WEBRTC_INLINE WebRtc_Word32 WebRtcSpl_AddSatW32(WebRtc_Word32 l_var1,
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WebRtc_Word32 l_var2)
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{
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WebRtc_Word32 l_sum;
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__asm__("qadd %0, %1, %2":"=r"(l_sum):"r"(l_var1), "r"(l_var2));
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return l_sum;
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}
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WEBRTC_INLINE WebRtc_Word16 WebRtcSpl_SubSatW16(WebRtc_Word16 var1,
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WebRtc_Word16 var2)
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||||
{
|
||||
WebRtc_Word32 s_sub;
|
||||
|
||||
__asm__("qsub16 %0, %1, %2":"=r"(s_sub):"r"(var1), "r"(var2));
|
||||
|
||||
return (WebRtc_Word16)s_sub;
|
||||
}
|
||||
|
||||
WEBRTC_INLINE WebRtc_Word32 WebRtcSpl_SubSatW32(WebRtc_Word32 l_var1,
|
||||
WebRtc_Word32 l_var2)
|
||||
{
|
||||
WebRtc_Word32 l_sub;
|
||||
|
||||
__asm__("qsub %0, %1, %2":"=r"(l_sub):"r"(l_var1), "r"(l_var2));
|
||||
|
||||
return l_sub;
|
||||
}
|
||||
|
||||
WEBRTC_INLINE WebRtc_Word16 WebRtcSpl_GetSizeInBits(WebRtc_UWord32 n)
|
||||
{
|
||||
WebRtc_Word32 tmp;
|
||||
|
||||
__asm__("clz %0, %1":"=r"(tmp):"r"(n));
|
||||
|
||||
return (WebRtc_Word16)(32 - tmp);
|
||||
}
|
||||
|
||||
WEBRTC_INLINE int WebRtcSpl_NormW32(WebRtc_Word32 a)
|
||||
{
|
||||
WebRtc_Word32 tmp;
|
||||
|
||||
if (a <= 0) a ^= 0xFFFFFFFF;
|
||||
|
||||
__asm__("clz %0, %1":"=r"(tmp):"r"(a));
|
||||
|
||||
return tmp - 1;
|
||||
}
|
||||
|
||||
WEBRTC_INLINE int WebRtcSpl_NormW16(WebRtc_Word16 a)
|
||||
{
|
||||
int zeros;
|
||||
|
||||
if (a <= 0) a ^= 0xFFFF;
|
||||
|
||||
if (!(0xFF80 & a)) zeros = 8; else zeros = 0;
|
||||
if (!(0xF800 & (a << zeros))) zeros += 4;
|
||||
if (!(0xE000 & (a << zeros))) zeros += 2;
|
||||
if (!(0xC000 & (a << zeros))) zeros += 1;
|
||||
|
||||
return zeros;
|
||||
}
|
||||
|
||||
WEBRTC_INLINE int WebRtcSpl_NormU32(WebRtc_UWord32 a)
|
||||
{
|
||||
int tmp;
|
||||
|
||||
if (a == 0) return 0;
|
||||
|
||||
__asm__("clz %0, %1":"=r"(tmp):"r"(a));
|
||||
|
||||
return tmp;
|
||||
}
|
||||
|
||||
#ifdef WEBRTC_ARCH_ARM_V7A
|
||||
#include "spl_inl_armv7.h"
|
||||
#else
|
||||
|
||||
WEBRTC_INLINE WebRtc_Word16 WebRtcSpl_AddSatW16(WebRtc_Word16 a,
|
||||
WebRtc_Word16 b)
|
||||
{
|
||||
WebRtc_Word32 s_sum = (WebRtc_Word32) a + (WebRtc_Word32) b;
|
||||
static __inline WebRtc_Word16 WebRtcSpl_AddSatW16(WebRtc_Word16 a,
|
||||
WebRtc_Word16 b) {
|
||||
WebRtc_Word32 s_sum = (WebRtc_Word32) a + (WebRtc_Word32) b;
|
||||
|
||||
if (s_sum > WEBRTC_SPL_WORD16_MAX)
|
||||
if (s_sum > WEBRTC_SPL_WORD16_MAX)
|
||||
s_sum = WEBRTC_SPL_WORD16_MAX;
|
||||
else if (s_sum < WEBRTC_SPL_WORD16_MIN)
|
||||
else if (s_sum < WEBRTC_SPL_WORD16_MIN)
|
||||
s_sum = WEBRTC_SPL_WORD16_MIN;
|
||||
|
||||
return (WebRtc_Word16)s_sum;
|
||||
return (WebRtc_Word16)s_sum;
|
||||
}
|
||||
|
||||
WEBRTC_INLINE WebRtc_Word32 WebRtcSpl_AddSatW32(WebRtc_Word32 l_var1,
|
||||
WebRtc_Word32 l_var2)
|
||||
{
|
||||
WebRtc_Word32 l_sum;
|
||||
static __inline WebRtc_Word32 WebRtcSpl_AddSatW32(WebRtc_Word32 l_var1,
|
||||
WebRtc_Word32 l_var2) {
|
||||
WebRtc_Word32 l_sum;
|
||||
|
||||
// perform long addition
|
||||
l_sum = l_var1 + l_var2;
|
||||
// perform long addition
|
||||
l_sum = l_var1 + l_var2;
|
||||
|
||||
// check for under or overflow
|
||||
if (WEBRTC_SPL_IS_NEG (l_var1))
|
||||
{
|
||||
if (WEBRTC_SPL_IS_NEG (l_var2) && !WEBRTC_SPL_IS_NEG (l_sum))
|
||||
{
|
||||
l_sum = (WebRtc_Word32)0x80000000;
|
||||
}
|
||||
// check for under or overflow
|
||||
if (WEBRTC_SPL_IS_NEG(l_var1)) {
|
||||
if (WEBRTC_SPL_IS_NEG(l_var2) && !WEBRTC_SPL_IS_NEG(l_sum)) {
|
||||
l_sum = (WebRtc_Word32)0x80000000;
|
||||
}
|
||||
else
|
||||
{
|
||||
if (!WEBRTC_SPL_IS_NEG (l_var2) && WEBRTC_SPL_IS_NEG (l_sum))
|
||||
{
|
||||
l_sum = (WebRtc_Word32)0x7FFFFFFF;
|
||||
}
|
||||
} else {
|
||||
if (!WEBRTC_SPL_IS_NEG(l_var2) && WEBRTC_SPL_IS_NEG(l_sum)) {
|
||||
l_sum = (WebRtc_Word32)0x7FFFFFFF;
|
||||
}
|
||||
}
|
||||
|
||||
return l_sum;
|
||||
return l_sum;
|
||||
}
|
||||
|
||||
WEBRTC_INLINE WebRtc_Word16 WebRtcSpl_SubSatW16( WebRtc_Word16 var1,
|
||||
WebRtc_Word16 var2)
|
||||
{
|
||||
WebRtc_Word32 l_diff;
|
||||
WebRtc_Word16 s_diff;
|
||||
static __inline WebRtc_Word16 WebRtcSpl_SubSatW16(WebRtc_Word16 var1,
|
||||
WebRtc_Word16 var2) {
|
||||
WebRtc_Word32 l_diff;
|
||||
WebRtc_Word16 s_diff;
|
||||
|
||||
// perform subtraction
|
||||
l_diff = (WebRtc_Word32)var1 - (WebRtc_Word32)var2;
|
||||
// perform subtraction
|
||||
l_diff = (WebRtc_Word32)var1 - (WebRtc_Word32)var2;
|
||||
|
||||
// default setting
|
||||
s_diff = (WebRtc_Word16) l_diff;
|
||||
// default setting
|
||||
s_diff = (WebRtc_Word16) l_diff;
|
||||
|
||||
// check for overflow
|
||||
if (l_diff > (WebRtc_Word32)32767)
|
||||
s_diff = (WebRtc_Word16)32767;
|
||||
// check for overflow
|
||||
if (l_diff > (WebRtc_Word32)32767)
|
||||
s_diff = (WebRtc_Word16)32767;
|
||||
|
||||
// check for underflow
|
||||
if (l_diff < (WebRtc_Word32)-32768)
|
||||
s_diff = (WebRtc_Word16)-32768;
|
||||
// check for underflow
|
||||
if (l_diff < (WebRtc_Word32)-32768)
|
||||
s_diff = (WebRtc_Word16)-32768;
|
||||
|
||||
return s_diff;
|
||||
return s_diff;
|
||||
}
|
||||
|
||||
WEBRTC_INLINE WebRtc_Word32 WebRtcSpl_SubSatW32(WebRtc_Word32 l_var1,
|
||||
WebRtc_Word32 l_var2)
|
||||
{
|
||||
WebRtc_Word32 l_diff;
|
||||
static __inline WebRtc_Word32 WebRtcSpl_SubSatW32(WebRtc_Word32 l_var1,
|
||||
WebRtc_Word32 l_var2) {
|
||||
WebRtc_Word32 l_diff;
|
||||
|
||||
// perform subtraction
|
||||
l_diff = l_var1 - l_var2;
|
||||
// perform subtraction
|
||||
l_diff = l_var1 - l_var2;
|
||||
|
||||
// check for underflow
|
||||
if ((l_var1 < 0) && (l_var2 > 0) && (l_diff > 0))
|
||||
// check for underflow
|
||||
if ((l_var1 < 0) && (l_var2 > 0) && (l_diff > 0))
|
||||
l_diff = (WebRtc_Word32)0x80000000;
|
||||
// check for overflow
|
||||
if ((l_var1 > 0) && (l_var2 < 0) && (l_diff < 0))
|
||||
// check for overflow
|
||||
if ((l_var1 > 0) && (l_var2 < 0) && (l_diff < 0))
|
||||
l_diff = (WebRtc_Word32)0x7FFFFFFF;
|
||||
|
||||
return l_diff;
|
||||
return l_diff;
|
||||
}
|
||||
|
||||
WEBRTC_INLINE WebRtc_Word16 WebRtcSpl_GetSizeInBits(WebRtc_UWord32 n)
|
||||
{
|
||||
static __inline WebRtc_Word16 WebRtcSpl_GetSizeInBits(WebRtc_UWord32 n) {
|
||||
int bits;
|
||||
|
||||
int bits;
|
||||
if (0xFFFF0000 & n) {
|
||||
bits = 16;
|
||||
} else {
|
||||
bits = 0;
|
||||
}
|
||||
if (0x0000FF00 & (n >> bits)) bits += 8;
|
||||
if (0x000000F0 & (n >> bits)) bits += 4;
|
||||
if (0x0000000C & (n >> bits)) bits += 2;
|
||||
if (0x00000002 & (n >> bits)) bits += 1;
|
||||
if (0x00000001 & (n >> bits)) bits += 1;
|
||||
|
||||
if ((0xFFFF0000 & n)) bits = 16; else bits = 0;
|
||||
if ((0x0000FF00 & (n >> bits))) bits += 8;
|
||||
if ((0x000000F0 & (n >> bits))) bits += 4;
|
||||
if ((0x0000000C & (n >> bits))) bits += 2;
|
||||
if ((0x00000002 & (n >> bits))) bits += 1;
|
||||
if ((0x00000001 & (n >> bits))) bits += 1;
|
||||
|
||||
return bits;
|
||||
return bits;
|
||||
}
|
||||
|
||||
WEBRTC_INLINE int WebRtcSpl_NormW32(WebRtc_Word32 a)
|
||||
{
|
||||
int zeros;
|
||||
static __inline int WebRtcSpl_NormW32(WebRtc_Word32 a) {
|
||||
int zeros;
|
||||
|
||||
if (a <= 0) a ^= 0xFFFFFFFF;
|
||||
if (a <= 0) a ^= 0xFFFFFFFF;
|
||||
|
||||
if (!(0xFFFF8000 & a)) zeros = 16; else zeros = 0;
|
||||
if (!(0xFF800000 & (a << zeros))) zeros += 8;
|
||||
if (!(0xF8000000 & (a << zeros))) zeros += 4;
|
||||
if (!(0xE0000000 & (a << zeros))) zeros += 2;
|
||||
if (!(0xC0000000 & (a << zeros))) zeros += 1;
|
||||
if (!(0xFFFF8000 & a)) {
|
||||
zeros = 16;
|
||||
} else {
|
||||
zeros = 0;
|
||||
}
|
||||
if (!(0xFF800000 & (a << zeros))) zeros += 8;
|
||||
if (!(0xF8000000 & (a << zeros))) zeros += 4;
|
||||
if (!(0xE0000000 & (a << zeros))) zeros += 2;
|
||||
if (!(0xC0000000 & (a << zeros))) zeros += 1;
|
||||
|
||||
return zeros;
|
||||
return zeros;
|
||||
}
|
||||
|
||||
WEBRTC_INLINE int WebRtcSpl_NormW16(WebRtc_Word16 a)
|
||||
{
|
||||
int zeros;
|
||||
static __inline int WebRtcSpl_NormU32(WebRtc_UWord32 a) {
|
||||
int zeros;
|
||||
|
||||
if (a <= 0) a ^= 0xFFFF;
|
||||
if (a == 0) return 0;
|
||||
|
||||
if (!(0xFF80 & a)) zeros = 8; else zeros = 0;
|
||||
if (!(0xF800 & (a << zeros))) zeros += 4;
|
||||
if (!(0xE000 & (a << zeros))) zeros += 2;
|
||||
if (!(0xC000 & (a << zeros))) zeros += 1;
|
||||
if (!(0xFFFF0000 & a)) {
|
||||
zeros = 16;
|
||||
} else {
|
||||
zeros = 0;
|
||||
}
|
||||
if (!(0xFF000000 & (a << zeros))) zeros += 8;
|
||||
if (!(0xF0000000 & (a << zeros))) zeros += 4;
|
||||
if (!(0xC0000000 & (a << zeros))) zeros += 2;
|
||||
if (!(0x80000000 & (a << zeros))) zeros += 1;
|
||||
|
||||
return zeros;
|
||||
return zeros;
|
||||
}
|
||||
|
||||
WEBRTC_INLINE int WebRtcSpl_NormU32(WebRtc_UWord32 a)
|
||||
{
|
||||
int zeros;
|
||||
static __inline int WebRtcSpl_NormW16(WebRtc_Word16 a) {
|
||||
int zeros;
|
||||
|
||||
if (a == 0) return 0;
|
||||
if (a <= 0) a ^= 0xFFFF;
|
||||
|
||||
if (!(0xFFFF0000 & a)) zeros = 16; else zeros = 0;
|
||||
if (!(0xFF000000 & (a << zeros))) zeros += 8;
|
||||
if (!(0xF0000000 & (a << zeros))) zeros += 4;
|
||||
if (!(0xC0000000 & (a << zeros))) zeros += 2;
|
||||
if (!(0x80000000 & (a << zeros))) zeros += 1;
|
||||
if (!(0xFF80 & a)) {
|
||||
zeros = 8;
|
||||
} else {
|
||||
zeros = 0;
|
||||
}
|
||||
if (!(0xF800 & (a << zeros))) zeros += 4;
|
||||
if (!(0xE000 & (a << zeros))) zeros += 2;
|
||||
if (!(0xC000 & (a << zeros))) zeros += 1;
|
||||
|
||||
return zeros;
|
||||
return zeros;
|
||||
}
|
||||
|
||||
#endif // WEBRTC_ARM_INLINE_CALLS
|
||||
#endif // WEBRTC_SPL_SPL_INL_H_
|
||||
#endif // WEBRTC_ARCH_ARM_V7A
|
||||
|
||||
#endif // WEBRTC_SPL_SPL_INL_H_
|
||||
|
||||
@ -0,0 +1,122 @@
|
||||
/*
|
||||
* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
|
||||
*
|
||||
* Use of this source code is governed by a BSD-style license
|
||||
* that can be found in the LICENSE file in the root of the source
|
||||
* tree. An additional intellectual property rights grant can be found
|
||||
* in the file PATENTS. All contributing project authors may
|
||||
* be found in the AUTHORS file in the root of the source tree.
|
||||
*/
|
||||
|
||||
|
||||
// This header file includes the inline functions for ARM processors in
|
||||
// the fix point signal processing library.
|
||||
|
||||
#ifndef WEBRTC_SPL_SPL_INL_ARMV7_H_
|
||||
#define WEBRTC_SPL_SPL_INL_ARMV7_H_
|
||||
|
||||
static __inline WebRtc_Word32 WEBRTC_SPL_MUL_16_32_RSFT16(WebRtc_Word16 a,
|
||||
WebRtc_Word32 b) {
|
||||
WebRtc_Word32 tmp;
|
||||
__asm__("smulwb %0, %1, %2":"=r"(tmp):"r"(b), "r"(a));
|
||||
return tmp;
|
||||
}
|
||||
|
||||
static __inline WebRtc_Word32 WEBRTC_SPL_MUL_32_32_RSFT32(WebRtc_Word16 a,
|
||||
WebRtc_Word16 b,
|
||||
WebRtc_Word32 c) {
|
||||
WebRtc_Word32 tmp;
|
||||
__asm__("pkhbt %0, %1, %2, lsl #16" : "=r"(tmp) : "r"(b), "r"(a));
|
||||
__asm__("smmul %0, %1, %2":"=r"(tmp):"r"(tmp), "r"(c));
|
||||
return tmp;
|
||||
}
|
||||
|
||||
static __inline WebRtc_Word32 WEBRTC_SPL_MUL_32_32_RSFT32BI(WebRtc_Word32 a,
|
||||
WebRtc_Word32 b) {
|
||||
WebRtc_Word32 tmp;
|
||||
__asm__("smmul %0, %1, %2":"=r"(tmp):"r"(a), "r"(b));
|
||||
return tmp;
|
||||
}
|
||||
|
||||
static __inline WebRtc_Word32 WEBRTC_SPL_MUL_16_16(WebRtc_Word16 a,
|
||||
WebRtc_Word16 b) {
|
||||
WebRtc_Word32 tmp;
|
||||
__asm__("smulbb %0, %1, %2":"=r"(tmp):"r"(a), "r"(b));
|
||||
return tmp;
|
||||
}
|
||||
|
||||
static __inline WebRtc_Word16 WebRtcSpl_AddSatW16(WebRtc_Word16 a,
|
||||
WebRtc_Word16 b) {
|
||||
WebRtc_Word32 s_sum;
|
||||
|
||||
__asm__("qadd16 %0, %1, %2":"=r"(s_sum):"r"(a), "r"(b));
|
||||
|
||||
return (WebRtc_Word16) s_sum;
|
||||
}
|
||||
|
||||
static __inline WebRtc_Word32 WebRtcSpl_AddSatW32(WebRtc_Word32 l_var1,
|
||||
WebRtc_Word32 l_var2) {
|
||||
WebRtc_Word32 l_sum;
|
||||
|
||||
__asm__("qadd %0, %1, %2":"=r"(l_sum):"r"(l_var1), "r"(l_var2));
|
||||
|
||||
return l_sum;
|
||||
}
|
||||
|
||||
static __inline WebRtc_Word16 WebRtcSpl_SubSatW16(WebRtc_Word16 var1,
|
||||
WebRtc_Word16 var2) {
|
||||
WebRtc_Word32 s_sub;
|
||||
|
||||
__asm__("qsub16 %0, %1, %2":"=r"(s_sub):"r"(var1), "r"(var2));
|
||||
|
||||
return (WebRtc_Word16)s_sub;
|
||||
}
|
||||
|
||||
static __inline WebRtc_Word32 WebRtcSpl_SubSatW32(WebRtc_Word32 l_var1,
|
||||
WebRtc_Word32 l_var2) {
|
||||
WebRtc_Word32 l_sub;
|
||||
|
||||
__asm__("qsub %0, %1, %2":"=r"(l_sub):"r"(l_var1), "r"(l_var2));
|
||||
|
||||
return l_sub;
|
||||
}
|
||||
|
||||
static __inline WebRtc_Word16 WebRtcSpl_GetSizeInBits(WebRtc_UWord32 n) {
|
||||
WebRtc_Word32 tmp;
|
||||
|
||||
__asm__("clz %0, %1":"=r"(tmp):"r"(n));
|
||||
|
||||
return (WebRtc_Word16)(32 - tmp);
|
||||
}
|
||||
|
||||
static __inline int WebRtcSpl_NormW32(WebRtc_Word32 a) {
|
||||
WebRtc_Word32 tmp;
|
||||
|
||||
if (a <= 0) a ^= 0xFFFFFFFF;
|
||||
|
||||
__asm__("clz %0, %1":"=r"(tmp):"r"(a));
|
||||
|
||||
return tmp - 1;
|
||||
}
|
||||
|
||||
static __inline int WebRtcSpl_NormU32(WebRtc_UWord32 a) {
|
||||
int tmp;
|
||||
|
||||
if (a == 0) return 0;
|
||||
|
||||
__asm__("clz %0, %1":"=r"(tmp):"r"(a));
|
||||
|
||||
return tmp;
|
||||
}
|
||||
|
||||
static __inline int WebRtcSpl_NormW16(WebRtc_Word16 a) {
|
||||
WebRtc_Word32 tmp;
|
||||
|
||||
if (a <= 0) a ^= 0xFFFFFFFF;
|
||||
|
||||
__asm__("clz %0, %1":"=r"(tmp):"r"(a));
|
||||
|
||||
return tmp - 17;
|
||||
}
|
||||
|
||||
#endif // WEBRTC_SPL_SPL_INL_ARMV7_H_
|
||||
@ -17,8 +17,6 @@ LOCAL_MODULE_CLASS := STATIC_LIBRARIES
|
||||
LOCAL_MODULE := libwebrtc_spl
|
||||
LOCAL_MODULE_TAGS := optional
|
||||
LOCAL_SRC_FILES := \
|
||||
add_sat_w16.c \
|
||||
add_sat_w32.c \
|
||||
auto_corr_to_refl_coef.c \
|
||||
auto_correlation.c \
|
||||
complex_fft.c \
|
||||
@ -36,15 +34,11 @@ LOCAL_SRC_FILES := \
|
||||
filter_ma_fast_q12.c \
|
||||
get_hanning_window.c \
|
||||
get_scaling_square.c \
|
||||
get_size_in_bits.c \
|
||||
hanning_table.c \
|
||||
ilbc_specific_functions.c \
|
||||
levinson_durbin.c \
|
||||
lpc_to_refl_coef.c \
|
||||
min_max_operations.c \
|
||||
norm_u32.c \
|
||||
norm_w16.c \
|
||||
norm_w32.c \
|
||||
randn_table.c \
|
||||
randomization_functions.c \
|
||||
refl_coef_to_lpc.c \
|
||||
@ -60,8 +54,6 @@ LOCAL_SRC_FILES := \
|
||||
spl_version.c \
|
||||
splitting_filter.c \
|
||||
sqrt_of_one_minus_x_squared.c \
|
||||
sub_sat_w16.c \
|
||||
sub_sat_w32.c \
|
||||
vector_scaling_operations.c
|
||||
|
||||
# Flags passed to both C and C++ files.
|
||||
|
||||
@ -1,30 +0,0 @@
|
||||
/*
|
||||
* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
|
||||
*
|
||||
* Use of this source code is governed by a BSD-style license
|
||||
* that can be found in the LICENSE file in the root of the source
|
||||
* tree. An additional intellectual property rights grant can be found
|
||||
* in the file PATENTS. All contributing project authors may
|
||||
* be found in the AUTHORS file in the root of the source tree.
|
||||
*/
|
||||
|
||||
|
||||
/*
|
||||
* This file contains the function WebRtcSpl_AddSatW16().
|
||||
* The description header can be found in signal_processing_library.h
|
||||
*
|
||||
*/
|
||||
|
||||
#include "signal_processing_library.h"
|
||||
|
||||
WebRtc_Word16 WebRtcSpl_AddSatW16(WebRtc_Word16 var1, WebRtc_Word16 var2)
|
||||
{
|
||||
WebRtc_Word32 s_sum = (WebRtc_Word32)var1 + (WebRtc_Word32)var2;
|
||||
|
||||
if (s_sum > WEBRTC_SPL_WORD16_MAX)
|
||||
s_sum = WEBRTC_SPL_WORD16_MAX;
|
||||
else if (s_sum < WEBRTC_SPL_WORD16_MIN)
|
||||
s_sum = WEBRTC_SPL_WORD16_MIN;
|
||||
|
||||
return (WebRtc_Word16)s_sum;
|
||||
}
|
||||
@ -1,43 +0,0 @@
|
||||
/*
|
||||
* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
|
||||
*
|
||||
* Use of this source code is governed by a BSD-style license
|
||||
* that can be found in the LICENSE file in the root of the source
|
||||
* tree. An additional intellectual property rights grant can be found
|
||||
* in the file PATENTS. All contributing project authors may
|
||||
* be found in the AUTHORS file in the root of the source tree.
|
||||
*/
|
||||
|
||||
|
||||
/*
|
||||
* This file contains the function WebRtcSpl_AddSatW32().
|
||||
* The description header can be found in signal_processing_library.h
|
||||
*
|
||||
*/
|
||||
|
||||
#include "signal_processing_library.h"
|
||||
|
||||
WebRtc_Word32 WebRtcSpl_AddSatW32(WebRtc_Word32 var1, WebRtc_Word32 var2)
|
||||
{
|
||||
WebRtc_Word32 l_sum;
|
||||
|
||||
// perform long addition
|
||||
l_sum = var1 + var2;
|
||||
|
||||
// check for under or overflow
|
||||
if (WEBRTC_SPL_IS_NEG(var1))
|
||||
{
|
||||
if (WEBRTC_SPL_IS_NEG(var2) && !WEBRTC_SPL_IS_NEG(l_sum))
|
||||
{
|
||||
l_sum = (WebRtc_Word32)0x80000000;
|
||||
}
|
||||
} else
|
||||
{
|
||||
if (!WEBRTC_SPL_IS_NEG(var2) && WEBRTC_SPL_IS_NEG(l_sum))
|
||||
{
|
||||
l_sum = (WebRtc_Word32)0x7FFFFFFF;
|
||||
}
|
||||
}
|
||||
|
||||
return l_sum;
|
||||
}
|
||||
@ -1,40 +0,0 @@
|
||||
/*
|
||||
* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
|
||||
*
|
||||
* Use of this source code is governed by a BSD-style license
|
||||
* that can be found in the LICENSE file in the root of the source
|
||||
* tree. An additional intellectual property rights grant can be found
|
||||
* in the file PATENTS. All contributing project authors may
|
||||
* be found in the AUTHORS file in the root of the source tree.
|
||||
*/
|
||||
|
||||
|
||||
/*
|
||||
* This file contains the function WebRtcSpl_GetSizeInBits().
|
||||
* The description header can be found in signal_processing_library.h
|
||||
*
|
||||
*/
|
||||
|
||||
#include "signal_processing_library.h"
|
||||
|
||||
WebRtc_Word16 WebRtcSpl_GetSizeInBits(WebRtc_UWord32 value)
|
||||
{
|
||||
|
||||
int bits = 0;
|
||||
|
||||
// Fast binary search to find the number of bits used
|
||||
if ((0xFFFF0000 & value))
|
||||
bits = 16;
|
||||
if ((0x0000FF00 & (value >> bits)))
|
||||
bits += 8;
|
||||
if ((0x000000F0 & (value >> bits)))
|
||||
bits += 4;
|
||||
if ((0x0000000C & (value >> bits)))
|
||||
bits += 2;
|
||||
if ((0x00000002 & (value >> bits)))
|
||||
bits += 1;
|
||||
if ((0x00000001 & (value >> bits)))
|
||||
bits += 1;
|
||||
|
||||
return bits;
|
||||
}
|
||||
@ -1,39 +0,0 @@
|
||||
/*
|
||||
* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
|
||||
*
|
||||
* Use of this source code is governed by a BSD-style license
|
||||
* that can be found in the LICENSE file in the root of the source
|
||||
* tree. An additional intellectual property rights grant can be found
|
||||
* in the file PATENTS. All contributing project authors may
|
||||
* be found in the AUTHORS file in the root of the source tree.
|
||||
*/
|
||||
|
||||
|
||||
/*
|
||||
* This file contains the function WebRtcSpl_NormU32().
|
||||
* The description header can be found in signal_processing_library.h
|
||||
*
|
||||
*/
|
||||
|
||||
#include "signal_processing_library.h"
|
||||
|
||||
int WebRtcSpl_NormU32(WebRtc_UWord32 value)
|
||||
{
|
||||
int zeros = 0;
|
||||
|
||||
if (value == 0)
|
||||
return 0;
|
||||
|
||||
if (!(0xFFFF0000 & value))
|
||||
zeros = 16;
|
||||
if (!(0xFF000000 & (value << zeros)))
|
||||
zeros += 8;
|
||||
if (!(0xF0000000 & (value << zeros)))
|
||||
zeros += 4;
|
||||
if (!(0xC0000000 & (value << zeros)))
|
||||
zeros += 2;
|
||||
if (!(0x80000000 & (value << zeros)))
|
||||
zeros += 1;
|
||||
|
||||
return zeros;
|
||||
}
|
||||
@ -1,37 +0,0 @@
|
||||
/*
|
||||
* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
|
||||
*
|
||||
* Use of this source code is governed by a BSD-style license
|
||||
* that can be found in the LICENSE file in the root of the source
|
||||
* tree. An additional intellectual property rights grant can be found
|
||||
* in the file PATENTS. All contributing project authors may
|
||||
* be found in the AUTHORS file in the root of the source tree.
|
||||
*/
|
||||
|
||||
|
||||
/*
|
||||
* This file contains the function WebRtcSpl_NormW16().
|
||||
* The description header can be found in signal_processing_library.h
|
||||
*
|
||||
*/
|
||||
|
||||
#include "signal_processing_library.h"
|
||||
|
||||
int WebRtcSpl_NormW16(WebRtc_Word16 value)
|
||||
{
|
||||
int zeros = 0;
|
||||
|
||||
if (value <= 0)
|
||||
value ^= 0xFFFF;
|
||||
|
||||
if ( !(0xFF80 & value))
|
||||
zeros = 8;
|
||||
if ( !(0xF800 & (value << zeros)))
|
||||
zeros += 4;
|
||||
if ( !(0xE000 & (value << zeros)))
|
||||
zeros += 2;
|
||||
if ( !(0xC000 & (value << zeros)))
|
||||
zeros += 1;
|
||||
|
||||
return zeros;
|
||||
}
|
||||
@ -1,41 +0,0 @@
|
||||
/*
|
||||
* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
|
||||
*
|
||||
* Use of this source code is governed by a BSD-style license
|
||||
* that can be found in the LICENSE file in the root of the source
|
||||
* tree. An additional intellectual property rights grant can be found
|
||||
* in the file PATENTS. All contributing project authors may
|
||||
* be found in the AUTHORS file in the root of the source tree.
|
||||
*/
|
||||
|
||||
|
||||
/*
|
||||
* This file contains the function WebRtcSpl_NormW32().
|
||||
* The description header can be found in signal_processing_library.h
|
||||
*
|
||||
*/
|
||||
|
||||
#include "signal_processing_library.h"
|
||||
|
||||
int WebRtcSpl_NormW32(WebRtc_Word32 value)
|
||||
{
|
||||
int zeros = 0;
|
||||
|
||||
if (value <= 0)
|
||||
value ^= 0xFFFFFFFF;
|
||||
|
||||
// Fast binary search to determine the number of left shifts required to 32-bit normalize
|
||||
// the value
|
||||
if (!(0xFFFF8000 & value))
|
||||
zeros = 16;
|
||||
if (!(0xFF800000 & (value << zeros)))
|
||||
zeros += 8;
|
||||
if (!(0xF8000000 & (value << zeros)))
|
||||
zeros += 4;
|
||||
if (!(0xE0000000 & (value << zeros)))
|
||||
zeros += 2;
|
||||
if (!(0xC0000000 & (value << zeros)))
|
||||
zeros += 1;
|
||||
|
||||
return zeros;
|
||||
}
|
||||
@ -25,8 +25,6 @@
|
||||
'sources': [
|
||||
'../interface/signal_processing_library.h',
|
||||
'../interface/spl_inl.h',
|
||||
'add_sat_w16.c',
|
||||
'add_sat_w32.c',
|
||||
'auto_corr_to_refl_coef.c',
|
||||
'auto_correlation.c',
|
||||
'complex_fft.c',
|
||||
@ -44,15 +42,11 @@
|
||||
'filter_ma_fast_q12.c',
|
||||
'get_hanning_window.c',
|
||||
'get_scaling_square.c',
|
||||
'get_size_in_bits.c',
|
||||
'hanning_table.c',
|
||||
'ilbc_specific_functions.c',
|
||||
'levinson_durbin.c',
|
||||
'lpc_to_refl_coef.c',
|
||||
'min_max_operations.c',
|
||||
'norm_u32.c',
|
||||
'norm_w16.c',
|
||||
'norm_w32.c',
|
||||
'randn_table.c',
|
||||
'randomization_functions.c',
|
||||
'refl_coef_to_lpc.c',
|
||||
@ -69,8 +63,6 @@
|
||||
'spl_version.c',
|
||||
'splitting_filter.c',
|
||||
'sqrt_of_one_minus_x_squared.c',
|
||||
'sub_sat_w16.c',
|
||||
'sub_sat_w32.c',
|
||||
'vector_scaling_operations.c',
|
||||
],
|
||||
},
|
||||
|
||||
@ -1,44 +0,0 @@
|
||||
/*
|
||||
* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
|
||||
*
|
||||
* Use of this source code is governed by a BSD-style license
|
||||
* that can be found in the LICENSE file in the root of the source
|
||||
* tree. An additional intellectual property rights grant can be found
|
||||
* in the file PATENTS. All contributing project authors may
|
||||
* be found in the AUTHORS file in the root of the source tree.
|
||||
*/
|
||||
|
||||
|
||||
/*
|
||||
* This file contains the function WebRtcSpl_SubSatW16().
|
||||
* The description header can be found in signal_processing_library.h
|
||||
*
|
||||
*/
|
||||
|
||||
#include "signal_processing_library.h"
|
||||
|
||||
#ifndef XSCALE_OPT
|
||||
WebRtc_Word16 WebRtcSpl_SubSatW16(WebRtc_Word16 var1, WebRtc_Word16 var2)
|
||||
{
|
||||
WebRtc_Word32 l_diff;
|
||||
WebRtc_Word16 s_diff;
|
||||
|
||||
// perform subtraction
|
||||
l_diff = (WebRtc_Word32)var1 - (WebRtc_Word32)var2;
|
||||
|
||||
// default setting
|
||||
s_diff = (WebRtc_Word16)l_diff;
|
||||
|
||||
// check for overflow
|
||||
if (l_diff > (WebRtc_Word32)32767)
|
||||
s_diff = (WebRtc_Word16)32767;
|
||||
|
||||
// check for underflow
|
||||
if (l_diff < (WebRtc_Word32)-32768)
|
||||
s_diff = (WebRtc_Word16)-32768;
|
||||
|
||||
return s_diff;
|
||||
}
|
||||
#else
|
||||
#pragma message(">> WebRtcSpl_SubSatW16.c is excluded from this build")
|
||||
#endif // XSCALE_OPT
|
||||
@ -1,35 +0,0 @@
|
||||
/*
|
||||
* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
|
||||
*
|
||||
* Use of this source code is governed by a BSD-style license
|
||||
* that can be found in the LICENSE file in the root of the source
|
||||
* tree. An additional intellectual property rights grant can be found
|
||||
* in the file PATENTS. All contributing project authors may
|
||||
* be found in the AUTHORS file in the root of the source tree.
|
||||
*/
|
||||
|
||||
|
||||
/*
|
||||
* This file contains the function WebRtcSpl_SubSatW32().
|
||||
* The description header can be found in signal_processing_library.h
|
||||
*
|
||||
*/
|
||||
|
||||
#include "signal_processing_library.h"
|
||||
|
||||
WebRtc_Word32 WebRtcSpl_SubSatW32(WebRtc_Word32 var1, WebRtc_Word32 var2)
|
||||
{
|
||||
WebRtc_Word32 l_diff;
|
||||
|
||||
// perform subtraction
|
||||
l_diff = var1 - var2;
|
||||
|
||||
// check for underflow
|
||||
if ((var1 < 0) && (var2 > 0) && (l_diff > 0))
|
||||
l_diff = (WebRtc_Word32)0x80000000;
|
||||
// check for overflow
|
||||
if ((var1 > 0) && (var2 < 0) && (l_diff < 0))
|
||||
l_diff = (WebRtc_Word32)0x7FFFFFFF;
|
||||
|
||||
return l_diff;
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user