03-14-2011
reply
Hi Panyam,
We have huge files to work upon and looking for a faster and better way other than converting each character to its ascii value.Also, the record layout changes when we try your command which would give incorrect position. To mention all the files will consist of fixed length records
Is there a way where we can run grep using the ascii value of this special character directly? Is there any better way to do this?We will just need to locate this special character and find the number of occurrences,number of records its impacting and the fields impacted based on the position.Any help on this is highly appreciated.
Thanks for replying.
Last edited by devina; 03-14-2011 at 09:37 AM..
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LEARN ABOUT OPENSOLARIS
mlib_signallimit_f32s
mlib_SignalLimit(3MLIB) mediaLib Library Functions mlib_SignalLimit(3MLIB)
NAME
mlib_SignalLimit, mlib_SignalLimit_S16_S16, mlib_SignalLimit_S16S_S16S, mlib_SignalLimit_S16, mlib_SignalLimit_S16S, mlib_Signal-
Limit_F32_F32, mlib_SignalLimit_F32S_F32S, mlib_SignalLimit_F32, mlib_SignalLimit_F32S - signal hard limiting
SYNOPSIS
cc [ flag... ] file... -lmlib [ library... ]
#include <mlib.h>
mlib_status mlib_SignalLimit_S16_S16(mlib_s16 *dst,
const mlib_s16 *src, const mlib_s16 *low,
const mlib_s16 *high, mlib_s32 n);
mlib_status mlib_SignalLimit_S16S_S16S(mlib_s16 *dst,
const mlib_s16 *src, const mlib_s16 *low,
const mlib_s16 *high, mlib_s32 n);
mlib_status mlib_SignalLimit_S16(mlib_s16 *srcdst,
const mlib_s16 *low, const mlib_s16 *high, mlib_s32 n);
mlib_status mlib_SignalLimit_S16S(mlib_s16 *srcdst,
const mlib_s16 *low, const mlib_s16 *high, mlib_s32 n);
mlib_status mlib_SignalLimit_F32_F32(mlib_f32 *dst,
const mlib_f32 *src, const mlib_f32 *low,
const mlib_f32 *high, mlib_s32 n);
mlib_status mlib_SignalLimit_F32S_F32S(mlib_f32 *dst,
const mlib_f32 *src, const mlib_f32 *low,
const mlib_f32 *high, mlib_s32 n);
mlib_status mlib_SignalLimit_F32(mlib_f32 *srcdst,
const mlib_f32 *low, const mlib_f32 *high, mlib_s32 n);
mlib_status mlib_SignalLimit_F32S(mlib_f32 *srcdst,
const mlib_f32 *low, const mlib_f32 *high, mlib_s32 n);
DESCRIPTION
Each of these functions performs hard limiting.
For monaural signals, the following equation is used:
dst[i] = low[0] if src[i] < low[0]
dst[i] = src[i] if low[0] <= src[i] < high[0]
dst[i] = high[0] if src[i] >= high[0]
where i = 0, 1, ..., (n - 1).
For stereo signals, the following equation is used:
dst[2*i] = low[0] if src[2*i] < low[0]
dst[2*i] = src[2*i] if low[0] <= src[2*i] < high[0]
dst[2*i] = high[0] if src[2*i] >= high[0]
dst[2*i+1] = low[1] if src[2*i+1] < low[1]
dst[2*i+1] = src[2*i+1] if low[1] <= src[2*i+1] < high[1]
dst[2*i+1] = high[1] if src[2*i+1] >= high[1]
where i = 0, 1, ..., (n - 1).
PARAMETERS
Each of the functions takes some of the following arguments:
dst Destination signal array.
src Source signal array.
srcdst Source and destination signal array.
low Lower input limit. In the stereo version, low[0] contains the lower limit for channel 0, and low[1] contains the lower limit for
channel 1.
high Upper input limit. In the stereo version. high[0] contains the upper limit for channel 0, and high[1] contains the upper limit
for channel 1.
n Number of samples in the source signal array.
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_SignalLimit(3MLIB)