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mlib_signalconv_f32s_f32s

mlib_SignalConv_S16_S16_Sat(3MLIB)			    mediaLib Library Functions				mlib_SignalConv_S16_S16_Sat(3MLIB)

NAME

       mlib_SignalConv_S16_S16_Sat, mlib_SignalConv_S16S_S16S_Sat, mlib_SignalConv_F32_F32, mlib_SignalConv_F32S_F32S - signal convolution

SYNOPSIS

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

       mlib_status mlib_SignalConv_S16_S16_Sat(mlib_s16 *dst,
	    const mlib_s16 *src1, const mlib_s16 *src2, mlib_s32 m,
	    mlib_s32 n);

       mlib_status mlib_SignalConv_S16S_S16S_Sat(mlib_s16 *dst,
	    const mlib_s16 *src1, const mlib_s16 *src2, mlib_s32 m,
	    mlib_s32 n);

       mlib_status mlib_SignalConv_F32_F32(mlib_f32 *dst,
	    const mlib_f32 *src1, const mlib_f32 *src2, mlib_s32 m,
	    mlib_s32 n);

       mlib_status mlib_SignalConv_F32S_F32S(mlib_f32 *dst,
	    const mlib_f32 *src1, const mlib_f32 *src2, mlib_s32 m,
	    mlib_s32 n);

DESCRIPTION

       Each of these functions performs convolution.

       For monaural signals, the following equation is used:

		  m-1
	 dst[i] = SUM (src1[j] * src2[i - j])  if m <= n
		  j=0

		  n-1
	 dst[i] = SUM (src2[j] * src1[i - j])  if m > n
		  j=0

       where i = 0, 1, ..., (m + n - 2).

       For stereo signals, the following equation is used:

			m-1
	 dst[2*i]     = SUM (src1[2*j] * src2[2*(i - j)])
			j=0

			m-1
	 dst[2*i + 1] = SUM (src1[2*j + 1] * src2[2*(i - j) + 1])
			j=0

       if m <= n, or

			n-1
	 dst[2*i]     = SUM (src2[2*j] * src1[2*(i - j)])
			j=0

			n-1
	 dst[2*i + 1] = SUM (src2[2*j + 1] * src1[2*(i - j) + 1])
			j=0

       if m > n; where i = 0, 1, ..., (m + n - 2).

PARAMETERS

       Each of the functions takes the following arguments:

       dst     Destination signal array.

       src1    First source signal array.

       src2    Second source signal array.

       m       Number of samples in the first source signal array.

       n       Number of samples in the second 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

       attributes(5)

SunOS 5.11							    2 Mar 2007					mlib_SignalConv_S16_S16_Sat(3MLIB)