apps/codecs/libmusepack/mpc_config.h

   1 /***************************************************************************
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   8  * $Id$
   9  *
  10  * Copyright (C) 2008 by Andree Buschmann
  11  *
  12  * All files in this archive are subject to the GNU General Public License.
  13  * See the file COPYING in the source tree root for full license agreement.
  14  *
  15  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  16  * KIND, either express or implied.
  17  *
  18  ****************************************************************************/
  19
  20 #ifndef _mpc_config_h_
  21 #define _mpc_config_h_
  22
  23 #include "config.h"
  24
  25 /* choose fixed point or floating point */
  26 #define MPC_FIXED_POINT
  27
  28 #ifndef MPC_FIXED_POINT
  29 #error FIXME, mpc will not with floating point now
  30 #endif
  31
  32 /* choose speed vs. accuracy for MPC_FIXED_POINT
  33  * speed-setting will increase decoding speed on ARM only (+20%), loss of accuracy
  34  * equals about 5 dB SNR (15bit output precision) to not use the speed-optimization
  35  * -> comment OPTIMIZE_FOR_SPEED here for desired target */
  36 #if defined(MPC_FIXED_POINT)
  37    #if defined(CPU_COLDFIRE)
  38       // do nothing
  39    #elif defined(CPU_ARM)
  40       #define OPTIMIZE_FOR_SPEED
  41    #else
  42       #define OPTIMIZE_FOR_SPEED
  43    #endif
  44 #else
  45     // do nothing
  46 #endif
  47
  48 #endif