1 /*
2 * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
3 *
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
9 */
10 #include <string.h>
11 #include "g711.h"
12 #include "g711_interface.h"
13 #include "typedefs.h" // NOLINT(build/include)
14
WebRtcG711_EncodeA(const int16_t * speechIn,size_t len,uint8_t * encoded)15 size_t WebRtcG711_EncodeA(const int16_t* speechIn,
16 size_t len,
17 uint8_t* encoded) {
18 size_t n;
19 for (n = 0; n < len; n++)
20 encoded[n] = linear_to_alaw(speechIn[n]);
21 return len;
22 }
23
WebRtcG711_EncodeU(const int16_t * speechIn,size_t len,uint8_t * encoded)24 size_t WebRtcG711_EncodeU(const int16_t* speechIn,
25 size_t len,
26 uint8_t* encoded) {
27 size_t n;
28 for (n = 0; n < len; n++)
29 encoded[n] = linear_to_ulaw(speechIn[n]);
30 return len;
31 }
32
WebRtcG711_DecodeA(const uint8_t * encoded,size_t len,int16_t * decoded,int16_t * speechType)33 size_t WebRtcG711_DecodeA(const uint8_t* encoded,
34 size_t len,
35 int16_t* decoded,
36 int16_t* speechType) {
37 size_t n;
38 for (n = 0; n < len; n++)
39 decoded[n] = alaw_to_linear(encoded[n]);
40 *speechType = 1;
41 return len;
42 }
43
WebRtcG711_DecodeU(const uint8_t * encoded,size_t len,int16_t * decoded,int16_t * speechType)44 size_t WebRtcG711_DecodeU(const uint8_t* encoded,
45 size_t len,
46 int16_t* decoded,
47 int16_t* speechType) {
48 size_t n;
49 for (n = 0; n < len; n++)
50 decoded[n] = ulaw_to_linear(encoded[n]);
51 *speechType = 1;
52 return len;
53 }
54
WebRtcG711_Version(char * version,int16_t lenBytes)55 int16_t WebRtcG711_Version(char* version, int16_t lenBytes) {
56 strncpy(version, "2.0.0", lenBytes);
57 return 0;
58 }
59