G711.h

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/*
This program is distributed under the terms of the 'MIT license'. The text
of this licence follows...

Copyright (c) 2004 J.D.Medhurst (a.k.a. Tixy)

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/

#ifndef G711_H
#define G711_H

class G711
    {
public:
    static uint8_t ALawEncode(int16_t pcm16);

    static int ALawDecode(uint8_t alaw);

    static uint8_t ULawEncode(int16_t pcm16);

    static int ULawDecode(uint8_t ulaw);

    static uint8_t ALawToULaw(uint8_t alaw);

    static uint8_t ULawToALaw(uint8_t ulaw);

    static unsigned ALawEncode(uint8_t* dst, int16_t* src, size_t srcSize);

    static unsigned ALawDecode(int16_t* dst, const uint8_t* src, size_t srcSize);

    static unsigned ULawEncode(uint8_t* dst, int16_t* src, size_t srcSize);

    static unsigned ULawDecode(int16_t* dst, const uint8_t* src, size_t srcSize);

    static unsigned ALawToULaw(uint8_t* dst, const uint8_t* src, size_t srcSize);

    static unsigned ULawToALaw(uint8_t* dst, const uint8_t* src, size_t srcSize);
    };
 // End of group

#endif