diff options
Diffstat (limited to 'ffmpeg1/libavcodec/rdft.h')
| -rw-r--r-- | ffmpeg1/libavcodec/rdft.h | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/ffmpeg1/libavcodec/rdft.h b/ffmpeg1/libavcodec/rdft.h deleted file mode 100644 index 5fb0323..0000000 --- a/ffmpeg1/libavcodec/rdft.h +++ /dev/null @@ -1,74 +0,0 @@ -/* - * (I)RDFT transforms - * Copyright (c) 2009 Alex Converse <alex dot converse at gmail dot com> - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * FFmpeg is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#ifndef AVCODEC_RDFT_H -#define AVCODEC_RDFT_H - -#include "config.h" -#include "fft.h" - -#if CONFIG_HARDCODED_TABLES -# define SINTABLE_CONST const -#else -# define SINTABLE_CONST -#endif - -#define SINTABLE(size) \ - SINTABLE_CONST DECLARE_ALIGNED(16, FFTSample, ff_sin_##size)[size/2] - -extern SINTABLE(16); -extern SINTABLE(32); -extern SINTABLE(64); -extern SINTABLE(128); -extern SINTABLE(256); -extern SINTABLE(512); -extern SINTABLE(1024); -extern SINTABLE(2048); -extern SINTABLE(4096); -extern SINTABLE(8192); -extern SINTABLE(16384); -extern SINTABLE(32768); -extern SINTABLE(65536); - -struct RDFTContext { - int nbits; - int inverse; - int sign_convention; - - /* pre/post rotation tables */ - const FFTSample *tcos; - SINTABLE_CONST FFTSample *tsin; - FFTContext fft; - void (*rdft_calc)(struct RDFTContext *s, FFTSample *z); -}; - -/** - * Set up a real FFT. - * @param nbits log2 of the length of the input array - * @param trans the type of transform - */ -int ff_rdft_init(RDFTContext *s, int nbits, enum RDFTransformType trans); -void ff_rdft_end(RDFTContext *s); - -void ff_rdft_init_arm(RDFTContext *s); - - -#endif /* AVCODEC_RDFT_H */ |
