videoeditorengine/mp3aacManipLib/MP3Gain/inc/param.h
changeset 0 951a5db380a0
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/videoeditorengine/mp3aacManipLib/MP3Gain/inc/param.h	Fri Jan 29 14:08:33 2010 +0200
@@ -0,0 +1,77 @@
+/*
+* 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_ */