man pages section 3: Multimedia Library Functions

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Updated: July 2014
 
 

mlib_SignalConvertShift_F32_S32(3MLIB)

Name

mlib_SignalConvertShift_F32_U8, mlib_SignalConvertShift_F32_S8, mlib_SignalConvertShift_F32_S16, mlib_SignalConvertShift_F32_S32, mlib_SignalConvertShift_F32S_U8S, mlib_SignalConvertShift_F32S_S8S , mlib_SignalConvertShift_F32S_S16S, mlib_SignalConvertShift_F32S_S32S - data type convert with shifting

Synopsis

cc [ flag... ] file... –lmlib [ library... ]
#include <mlib.h>

mlib_status mlib_SignalConvertShift_F32_U8(mlib_f32 *dst, const mlib_u8 *src,
     mlib_s32 shift, mlib_s32 n);
mlib_status mlib_SignalConvertShift_F32_S8(mlib_f32 *dst, const mlib_s8 *src,
     mlib_s32 shift, mlib_s32 n);
mlib_status mlib_SignalConvertShift_F32_S16(mlib_f32 *dst, const mlib_s16 *src,
     mlib_s32 shift, mlib_s32 n);
mlib_status mlib_SignalConvertShift_F32_S32(mlib_f32 *dst, const mlib_s32 *src,
     mlib_s32 shift, mlib_s32 n);
mlib_status mlib_SignalConvertShift_F32S_U8S(mlib_f32 *dst, const mlib_u8 *src,
     mlib_s32 shift, mlib_s32 n);
mlib_status mlib_SignalConvertShift_F32S_S8S(mlib_f32 *dst, const mlib_s8 *src,
     mlib_s32 shift, mlib_s32 n);
mlib_status mlib_SignalConvertShift_F32S_S16S(mlib_f32 *dst, const mlib_s16 *src,
     mlib_s32 shift, mlib_s32 n);
mlib_status mlib_SignalConvertShift_F32S_S32S(mlib_f32 *dst, const mlib_s32 *src,
     mlib_s32 shift, mlib_s32 n);

Description

Each of these functions performs data type convert with shifting.

The following equation is used:

dst[i] = src[i] * 2**shift

See the following table for available variations of this group of data type convert functions.

Type [*]
F32
F32S
U8
Y
S8
Y
S16
Y
S32
Y
U8S
Y
S8S
Y
S16S
Y
S32S
Y

[*] Each row represents a source data type. Each column represents a destination data type.

Parameters

Each of the functions takes the following arguments:

dst

Destination signal array.

src

Source signal array.

shift

Left shifting factor.

n

Number of samples in the source signal arrays.

Return Values

Each of the functions returns MLIB_SUCCESS if successful. Otherwise it returns MLIB_FAILURE.

Attributes

See attributes(5) for descriptions of the following attributes:

ATTRIBUTE TYPE
ATTRIBUTE VALUE
Interface Stability
Committed
MT-Level
MT-Safe

See also

mlib_SignalConvertShift_U8_S8_Sat(3MLIB), attributes (5)