/*

* Copyright (c) 2010 Ixonos Plc.

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - Initial contribution

*

* Contributors:

* Ixonos Plc

*

* Description:

*

*/

#ifndef DECPARAM_H_

#define DECPARAM_H_

/*-- Project Headers --*/

#include "defines.h"

/*

   Purpose:     The # of filter branches of the polyphase filterbank

                to be discarded. By default 2 lowest and highest branches

        will be discarded.

   Explanation: - */

#define WINDOW_PRUNING_START_IDX 2

/*

   Purpose:     Parameters that control the decoding complexity.

   Explanation: - */

typedef struct Out_ComplexityStr

{

  BOOL no_antialias;    /* If TRUE, no alias-reduction is performed. */

  int16 subband_pairs;  /* # of subband pairs for alias-reduction.   */

  int16 imdct_subbands; /* # of IMDCT subbands.                      */

} Out_Complexity;

/*

   Purpose:     Parameters that control the output stream.

   Explanation: - */

typedef struct Out_ParamStr

{

  int32 sampling_frequency; /* Output sampling frequency.           */

  int16 num_out_channels;   /* # of output channels.                */

  int16 decim_factor;       /* Decimation factor.                   */

  int16 num_samples;        /* # of output samples per subband.     */

  int16 num_out_samples;    /* Total # of output samples per frame. */

  /*

   * Specifies how many window coefficients are discarded from the synthesis

   * window. In units of 'SBLIMIT' samples. The start index can vary

   * between 0 and 'NUM_SUBWIN', but if you don't want to reduce the overall

   * audio quality, the default value 2 (or 0) should be used.

   */

  int16 window_pruning_idx;

  int16 num_subwindows;

  int16 window_offset;

} Out_Param;

/*

   Purpose:     Mapping of above structures into one common structure.

   Explanation: - */

typedef struct Out_InfoStr

{

  Out_Param *out_param;

  Out_Complexity *out_complex;

} Out_Info;

#endif /* DECPARAM_H_ */