1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
/*
* 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 implementation of functions
* WebRtcSpl_MemSetW16()
* WebRtcSpl_MemSetW32()
* WebRtcSpl_MemCpyReversedOrder()
* WebRtcSpl_CopyFromEndW16()
* WebRtcSpl_ZerosArrayW16()
* WebRtcSpl_ZerosArrayW32()
*
* The description header can be found in signal_processing_library.h
*
*/
#include <string.h>
#include "common_audio/signal_processing/include/signal_processing_library.h"
void WebRtcSpl_MemSetW16(int16_t *ptr, int16_t set_value, size_t length)
{
size_t j;
int16_t *arrptr = ptr;
for (j = length; j > 0; j--)
{
*arrptr++ = set_value;
}
}
void WebRtcSpl_MemSetW32(int32_t *ptr, int32_t set_value, size_t length)
{
size_t j;
int32_t *arrptr = ptr;
for (j = length; j > 0; j--)
{
*arrptr++ = set_value;
}
}
void WebRtcSpl_MemCpyReversedOrder(int16_t* dest,
int16_t* source,
size_t length)
{
size_t j;
int16_t* destPtr = dest;
int16_t* sourcePtr = source;
for (j = 0; j < length; j++)
{
*destPtr-- = *sourcePtr++;
}
}
void WebRtcSpl_CopyFromEndW16(const int16_t *vector_in,
size_t length,
size_t samples,
int16_t *vector_out)
{
// Copy the last <samples> of the input vector to vector_out
WEBRTC_SPL_MEMCPY_W16(vector_out, &vector_in[length - samples], samples);
}
void WebRtcSpl_ZerosArrayW16(int16_t *vector, size_t length)
{
WebRtcSpl_MemSetW16(vector, 0, length);
}
void WebRtcSpl_ZerosArrayW32(int32_t *vector, size_t length)
{
WebRtcSpl_MemSetW32(vector, 0, length);
}
|
