From f44de515d3b6098a0b585865c1a0c7b20d3075a6 Mon Sep 17 00:00:00 2001 From: Andreas Huber Date: Mon, 7 Dec 2009 09:56:32 -0800 Subject: Initial check in of stagefright software AAC decoder based on PV source code. --- .../codecs/aacdec/sbr_aliasing_reduction.h | 92 ++++++++++++++++++++++ 1 file changed, 92 insertions(+) create mode 100644 media/libstagefright/codecs/aacdec/sbr_aliasing_reduction.h (limited to 'media/libstagefright/codecs/aacdec/sbr_aliasing_reduction.h') diff --git a/media/libstagefright/codecs/aacdec/sbr_aliasing_reduction.h b/media/libstagefright/codecs/aacdec/sbr_aliasing_reduction.h new file mode 100644 index 0000000..2ce99ec --- /dev/null +++ b/media/libstagefright/codecs/aacdec/sbr_aliasing_reduction.h @@ -0,0 +1,92 @@ +/* ------------------------------------------------------------------ + * 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. + * ------------------------------------------------------------------- + */ +/* + + Filename: sbr_aliasing_reduction.h + Funtions: + +------------------------------------------------------------------------------ + REVISION HISTORY + + + Who: Date: MM/DD/YYYY + Description: +------------------------------------------------------------------------------ + + +---------------------------------------------------------------------------- +; CONTINUE ONLY IF NOT ALREADY DEFINED +----------------------------------------------------------------------------*/ +#ifndef SBR_ALIASING_REDUCTION_H +#define SBR_ALIASING_REDUCTION_H + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ +#include "pv_audio_type_defs.h" + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; 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 +----------------------------------------------------------------------------*/ + +void sbr_aliasing_reduction(Int32 *degreeAlias, + Int32 * nrg_gain_man, + Int32 * nrg_gain_exp, + Int32 * nrg_est_man, + Int32 * nrg_est_exp, + Int32 * dontUseTheseGainValues, + Int32 noSubbands, + Int32 lowSubband, + Int32 sqrt_cache[][4], + Int32 * groupVector); + + +/*---------------------------------------------------------------------------- +; END +----------------------------------------------------------------------------*/ +#endif + + -- cgit v1.1