Peter Kasting dce40cf804 Update a ton of audio code to use size_t more correctly and in general reduce
use of int16_t/uint16_t.

This is the upshot of a recommendation by henrik.lundin and kwiberg on an original small change ( https://webrtc-codereview.appspot.com/42569004/#ps1 ) to stop using int16_t just because values could fit in it, and is similar in nature to a previous "mass change to use size_t more" ( https://webrtc-codereview.appspot.com/23129004/ ) which also needed to be split up for review but to land all at once, since, like adding "const", such changes tend to cause a lot of transitive effects.

This was be reviewed and approved in pieces:
https://codereview.webrtc.org/1224093003
https://codereview.webrtc.org/1224123002
https://codereview.webrtc.org/1224163002
https://codereview.webrtc.org/1225133003
https://codereview.webrtc.org/1225173002
https://codereview.webrtc.org/1227163003
https://codereview.webrtc.org/1227203003
https://codereview.webrtc.org/1227213002
https://codereview.webrtc.org/1227893002
https://codereview.webrtc.org/1228793004
https://codereview.webrtc.org/1228803003
https://codereview.webrtc.org/1228823002
https://codereview.webrtc.org/1228823003
https://codereview.webrtc.org/1228843002
https://codereview.webrtc.org/1230693002
https://codereview.webrtc.org/1231713002

The change is being landed as TBR to all the folks who reviewed the above.

BUG=chromium:81439
TEST=none
R=andrew@webrtc.org, pbos@webrtc.org
TBR=aluebs, andrew, asapersson, henrika, hlundin, jan.skoglund, kwiberg, minyue, pbos, pthatcher

Review URL: https://codereview.webrtc.org/1230503003 .

Cr-Commit-Position: refs/heads/master@{#9768}
2015-08-24 21:52:45 +00:00

69 lines
2.0 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.
*/
#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_PCM16B_MAIN_INTERFACE_PCM16B_H_
#define WEBRTC_MODULES_AUDIO_CODING_CODECS_PCM16B_MAIN_INTERFACE_PCM16B_H_
/*
* Define the fixpoint numeric formats
*/
#include <stddef.h>
#include "webrtc/typedefs.h"
#ifdef __cplusplus
extern "C" {
#endif
/****************************************************************************
* WebRtcPcm16b_Encode(...)
*
* "Encode" a sample vector to 16 bit linear (Encoded standard is big endian)
*
* Input:
* - speech : Input speech vector
* - len : Number of samples in speech vector
*
* Output:
* - encoded : Encoded data vector (big endian 16 bit)
*
* Returned value : Length (in bytes) of coded data.
* Always equal to twice the len input parameter.
*/
size_t WebRtcPcm16b_Encode(const int16_t* speech,
size_t len,
uint8_t* encoded);
/****************************************************************************
* WebRtcPcm16b_Decode(...)
*
* "Decode" a vector to 16 bit linear (Encoded standard is big endian)
*
* Input:
* - encoded : Encoded data vector (big endian 16 bit)
* - len : Number of bytes in encoded
*
* Output:
* - speech : Decoded speech vector
*
* Returned value : Samples in speech
*/
size_t WebRtcPcm16b_Decode(const uint8_t* encoded,
size_t len,
int16_t* speech);
#ifdef __cplusplus
}
#endif
#endif /* PCM16B */