1b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org/*
2b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org *  Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
3b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org *
4b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org *  Use of this source code is governed by a BSD-style license
5b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org *  that can be found in the LICENSE file in the root of the source
6b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org *  tree. An additional intellectual property rights grant can be found
7b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org *  in the file PATENTS.  All contributing project authors may
8b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org *  be found in the AUTHORS file in the root of the source tree.
9b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org */
10b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org
11b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org/*
12b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org * crc.h
13b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org *
14b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org * Checksum functions
15b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org *
16b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org */
17b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org
18b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_SOURCE_CRC_H_
19b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org#define WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_SOURCE_CRC_H_
20b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org
21a11402cdbf99a12d58421d5b446982e8d30c40caandresp@webrtc.org#include "webrtc/typedefs.h"
22b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org
23b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org/****************************************************************************
24b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org * WebRtcIsac_GetCrc(...)
25b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org *
26b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org * This function returns a 32 bit CRC checksum of a bit stream
27b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org *
28b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org * Input:
29b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org *  - encoded      : payload bit stream
30b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org *  - no_of_word8s : number of 8-bit words in the bit stream
31b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org *
32b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org * Output:
33b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org *  - crc          : checksum
34b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org *
35b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org * Return value    :  0 - Ok
36b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org *                   -1 - Error
37b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org */
38b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org
39fbda0fcf2f9e82c82bcaac138f44d4e5144f6e0dpbos@webrtc.orgint16_t WebRtcIsac_GetCrc(
40fbda0fcf2f9e82c82bcaac138f44d4e5144f6e0dpbos@webrtc.org    const int16_t* encoded,
41fbda0fcf2f9e82c82bcaac138f44d4e5144f6e0dpbos@webrtc.org    int16_t        no_of_word8s,
42fbda0fcf2f9e82c82bcaac138f44d4e5144f6e0dpbos@webrtc.org    uint32_t*      crc);
43b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org
44b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org
45b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org
46b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org#endif /* WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_SOURCE_CRC_H_ */
47