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Diffstat (limited to 'media/libstagefright/codecs/mp3dec/src/pvmp3_mdct_18.h')
-rw-r--r-- | media/libstagefright/codecs/mp3dec/src/pvmp3_mdct_18.h | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/media/libstagefright/codecs/mp3dec/src/pvmp3_mdct_18.h b/media/libstagefright/codecs/mp3dec/src/pvmp3_mdct_18.h new file mode 100644 index 0000000..e497aee --- /dev/null +++ b/media/libstagefright/codecs/mp3dec/src/pvmp3_mdct_18.h @@ -0,0 +1,109 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + + PacketVideo Corp. + MP3 Decoder Library + + Pathname: ./include/pvmp3_mdct_18.h + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + + Description: + +------------------------------------------------------------------------------ + INCLUDE DESCRIPTION + + This include file defines function mdct_18, dct9, mdct_6 and dct_6 + +------------------------------------------------------------------------------ +*/ + +/*---------------------------------------------------------------------------- +; CONTINUE ONLY IF NOT ALREADY DEFINED +----------------------------------------------------------------------------*/ +#ifndef MDCT_18_H +#define MDCT_18_H + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ +#include "pvmp3_audio_type_defs.h" + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. +----------------------------------------------------------------------------*/ +#define Qfmt(a) (Int32)(a*((Int32)1<<28) ) +#define Qfmt1(a) (Int32)(a*((Int32)0x7FFFFFFF)) +#define Qfmt2(a) (Int32)(a*((Int32)1<<27)) + +/*---------------------------------------------------------------------------- +; EXTERNAL VARIABLES REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; SIMPLE TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; ENUMERATED TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; STRUCTURES TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; GLOBAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ +#ifdef __cplusplus +extern "C" +{ +#endif + + void pvmp3_mdct_18(int32 vec[], int32 *history, const int32 *window); + + void pvmp3_dct_9(int32 vec[]); + + void pvmp3_mdct_6(int32 vec[], int32 *overlap); + + void pvmp3_dct_6(int32 vec[]); + +#ifdef __cplusplus +} +#endif + +/*---------------------------------------------------------------------------- +; END +----------------------------------------------------------------------------*/ +#endif + + |