File: pcm16b.c

package info (click to toggle)
firefox-esr 91.13.0esr-1~deb11u1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 3,375,652 kB
  • sloc: cpp: 5,762,054; javascript: 5,481,714; ansic: 3,121,191; python: 851,492; asm: 331,172; xml: 178,949; java: 155,554; sh: 63,704; makefile: 20,127; perl: 12,825; yacc: 4,583; cs: 3,846; objc: 3,026; lex: 1,720; exp: 762; pascal: 635; php: 436; lisp: 260; awk: 231; ruby: 103; sed: 53; sql: 46; csh: 45
file content (34 lines) | stat: -rw-r--r-- 1,030 bytes parent folder | download | duplicates (11) 
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
 
/*
 *  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.
 */

#include "pcm16b.h"

#include "typedefs.h"  // NOLINT(build/include)

size_t WebRtcPcm16b_Encode(const int16_t* speech,
                           size_t len,
                           uint8_t* encoded) {
  size_t i;
  for (i = 0; i < len; ++i) {
    uint16_t s = speech[i];
    encoded[2 * i] = s >> 8;
    encoded[2 * i + 1] = s;
  }
  return 2 * len;
}

size_t WebRtcPcm16b_Decode(const uint8_t* encoded,
                           size_t len,
                           int16_t* speech) {
  size_t i;
  for (i = 0; i < len / 2; ++i)
    speech[i] = encoded[2 * i] << 8 | encoded[2 * i + 1];
  return len / 2;
}