blob: 54aa84d0e981eb731e8fe4987bfeb4460cf03734 [file] [log] [blame]
/*
* 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;
}