33 lines
1016 B
C
33 lines
1016 B
C
/*
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* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "modules/audio_coding/codecs/pcm16b/pcm16b.h"
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size_t WebRtcPcm16b_Encode(const int16_t* speech,
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size_t len,
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uint8_t* encoded) {
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size_t i;
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for (i = 0; i < len; ++i) {
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uint16_t s = speech[i];
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encoded[2 * i] = s >> 8;
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encoded[2 * i + 1] = s;
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}
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return 2 * len;
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}
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size_t WebRtcPcm16b_Decode(const uint8_t* encoded,
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size_t len,
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int16_t* speech) {
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size_t i;
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for (i = 0; i < len / 2; ++i)
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speech[i] = encoded[2 * i] << 8 | encoded[2 * i + 1];
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return len / 2;
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}
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