3
* MIPS Technologies, Inc., California.
5
* Redistribution and use in source and binary forms, with or without
6
* modification, are permitted provided that the following conditions
8
* 1. Redistributions of source code must retain the above copyright
9
* notice, this list of conditions and the following disclaimer.
10
* 2. Redistributions in binary form must reproduce the above copyright
11
* notice, this list of conditions and the following disclaimer in the
12
* documentation and/or other materials provided with the distribution.
13
* 3. Neither the name of the MIPS Technologies, Inc., nor the names of its
14
* contributors may be used to endorse or promote products derived from
15
* this software without specific prior written permission.
17
* THIS SOFTWARE IS PROVIDED BY THE MIPS TECHNOLOGIES, INC. ``AS IS'' AND
18
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20
* ARE DISCLAIMED. IN NO EVENT SHALL THE MIPS TECHNOLOGIES, INC. BE LIABLE
21
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29
* Author: Stanislav Ocovaj (socovaj@mips.com)
31
* This file is part of FFmpeg.
33
* FFmpeg is free software; you can redistribute it and/or
34
* modify it under the terms of the GNU Lesser General Public
35
* License as published by the Free Software Foundation; either
36
* version 2.1 of the License, or (at your option) any later version.
38
* FFmpeg is distributed in the hope that it will be useful,
39
* but WITHOUT ANY WARRANTY; without even the implied warranty of
40
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
41
* Lesser General Public License for more details.
43
* You should have received a copy of the GNU Lesser General Public
44
* License along with FFmpeg; if not, write to the Free Software
45
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
50
* definitions and LUT table for MIPS FFT
52
#ifndef AVCODEC_MIPS_FFT_TABLE_H
53
#define AVCODEC_MIPS_FFT_TABLE_H
55
#include "libavcodec/fft.h"
57
#define MAX_LOG2_NFFT 16 //!< Specifies maxiumum allowed fft size
58
#define MAX_FFT_SIZE (1 << MAX_LOG2_NFFT)
60
extern uint16_t fft_offsets_lut[];
61
void ff_fft_lut_init(uint16_t *table, int off, int size, int *index);
63
#endif /* AVCODEC_MIPS_FFT_TABLE_H */
added
removed
libavcodec/mips/fft_table.h
