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author | Andreas Huber <andih@google.com> | 2009-12-07 09:56:32 -0800 |
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committer | Andreas Huber <andih@google.com> | 2009-12-07 11:02:28 -0800 |
commit | f44de515d3b6098a0b585865c1a0c7b20d3075a6 (patch) | |
tree | 028b1d81643bbb332464b42b50a0f79ba5359142 /media/libstagefright/codecs/aacdec/mix_radix_fft.h | |
parent | bf697e37550d9e8376089b0b5e498613bede798c (diff) | |
download | frameworks_av-f44de515d3b6098a0b585865c1a0c7b20d3075a6.zip frameworks_av-f44de515d3b6098a0b585865c1a0c7b20d3075a6.tar.gz frameworks_av-f44de515d3b6098a0b585865c1a0c7b20d3075a6.tar.bz2 |
Initial check in of stagefright software AAC decoder based on PV source code.
Diffstat (limited to 'media/libstagefright/codecs/aacdec/mix_radix_fft.h')
-rw-r--r-- | media/libstagefright/codecs/aacdec/mix_radix_fft.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/media/libstagefright/codecs/aacdec/mix_radix_fft.h b/media/libstagefright/codecs/aacdec/mix_radix_fft.h new file mode 100644 index 0000000..563c280 --- /dev/null +++ b/media/libstagefright/codecs/aacdec/mix_radix_fft.h @@ -0,0 +1,98 @@ +/* ------------------------------------------------------------------ + * 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. + * ------------------------------------------------------------------- + */ +/* + + Pathname: mix_radix_fft.h + +------------------------------------------------------------------------------ + REVISION HISTORY + + Who: Date: + Description: + +------------------------------------------------------------------------------ + INCLUDE DESCRIPTION + + Header file for functions mix_radix_fft + +------------------------------------------------------------------------------ +*/ + +/*---------------------------------------------------------------------------- +; CONTINUE ONLY IF NOT ALREADY DEFINED +----------------------------------------------------------------------------*/ +#ifndef MIX_RADIX_FFT_H +#define MIX_RADIX_FFT_H + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ +#include "pv_audio_type_defs.h" + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. +----------------------------------------------------------------------------*/ +#define FFT_RX4_LENGTH_FOR_LONG 512 +#define HALF_FFT_RX4_LENGTH_FOR_LONG (FFT_RX4_LENGTH_FOR_LONG>>1) +#define ONE_FOURTH_FFT_RX4_LENGTH_FOR_LONG (FFT_RX4_LENGTH_FOR_LONG>>2) + +/*---------------------------------------------------------------------------- +; 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 + + Int mix_radix_fft( + Int32 *Data, + Int32 *peak_value); + +#ifdef __cplusplus +} +#endif + +/*---------------------------------------------------------------------------- +; END +----------------------------------------------------------------------------*/ +#endif /* MIX_RADIX_FFT_H */ |