1c6239a3b6
BUG=909 R=henrik.lundin@webrtc.org Review URL: https://webrtc-codereview.appspot.com/39809004 Cr-Commit-Position: refs/heads/master@{#8294} git-svn-id: http://webrtc.googlecode.com/svn/trunk@8294 4adac7df-926f-26a2-2b94-8c16560cd09d
66 lines
1.9 KiB
C
66 lines
1.9 KiB
C
/*
|
|
* 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 <string.h>
|
|
#include "g711.h"
|
|
#include "g711_interface.h"
|
|
#include "webrtc/typedefs.h"
|
|
|
|
int16_t WebRtcG711_EncodeA(const int16_t* speechIn,
|
|
int16_t len,
|
|
uint8_t* encoded) {
|
|
int n;
|
|
for (n = 0; n < len; n++)
|
|
encoded[n] = linear_to_alaw(speechIn[n]);
|
|
return len;
|
|
}
|
|
|
|
int16_t WebRtcG711_EncodeU(const int16_t* speechIn,
|
|
int16_t len,
|
|
uint8_t* encoded) {
|
|
int n;
|
|
for (n = 0; n < len; n++)
|
|
encoded[n] = linear_to_ulaw(speechIn[n]);
|
|
return len;
|
|
}
|
|
|
|
int16_t WebRtcG711_DecodeA(const uint8_t* encoded,
|
|
int16_t len,
|
|
int16_t* decoded,
|
|
int16_t* speechType) {
|
|
int n;
|
|
for (n = 0; n < len; n++)
|
|
decoded[n] = alaw_to_linear(encoded[n]);
|
|
*speechType = 1;
|
|
return len;
|
|
}
|
|
|
|
int16_t WebRtcG711_DecodeU(const uint8_t* encoded,
|
|
int16_t len,
|
|
int16_t* decoded,
|
|
int16_t* speechType) {
|
|
int n;
|
|
for (n = 0; n < len; n++)
|
|
decoded[n] = ulaw_to_linear(encoded[n]);
|
|
*speechType = 1;
|
|
return len;
|
|
}
|
|
|
|
int WebRtcG711_DurationEst(const uint8_t* payload,
|
|
int payload_length_bytes) {
|
|
(void) payload;
|
|
/* G.711 is one byte per sample, so we can just return the number of bytes. */
|
|
return payload_length_bytes;
|
|
}
|
|
|
|
int16_t WebRtcG711_Version(char* version, int16_t lenBytes) {
|
|
strncpy(version, "2.0.0", lenBytes);
|
|
return 0;
|
|
}
|