media/libopus/src/opus.c
author Reuben Morais <reuben.morais@gmail.com>
Tue, 25 Sep 2012 15:32:02 +0100
changeset 111614 d40d6c7a82fe751d1b999be80dcd396d42ce7934
parent 110524 fd83eb48a43751072b7cf2cef796926c73a3d594
child 157020 f74b1fe6bcc8db0b1ad470cc64dcdec6fe07dd86
permissions -rw-r--r--
Bug 793418 - OS X Battery Backend: Report time to charge when available. r=mounir

/* Copyright (c) 2011-2012 IETF Trust, Xiph.Org Foundation, Skype Limited. All rights reserved.
   Written by Jean-Marc Valin and Koen Vos */
/*

   This file is extracted from RFC6716. Please see that RFC for additional
   information.

   Redistribution and use in source and binary forms, with or without
   modification, are permitted provided that the following conditions
   are met:

   - Redistributions of source code must retain the above copyright
   notice, this list of conditions and the following disclaimer.

   - Redistributions in binary form must reproduce the above copyright
   notice, this list of conditions and the following disclaimer in the
   documentation and/or other materials provided with the distribution.

   - Neither the name of Internet Society, IETF or IETF Trust, nor the
   names of specific contributors, may be used to endorse or promote
   products derived from this software without specific prior written
   permission.

   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
   OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
   EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
   PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
   PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
   LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include "opus.h"
#include "opus_private.h"

int encode_size(int size, unsigned char *data)
{
   if (size < 252)
   {
      data[0] = size;
      return 1;
   } else {
      data[0] = 252+(size&0x3);
      data[1] = (size-(int)data[0])>>2;
      return 2;
   }
}