diff options
Diffstat (limited to 'ffmpeg/libavcodec/cbrt_tablegen.h')
| -rw-r--r-- | ffmpeg/libavcodec/cbrt_tablegen.h | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/ffmpeg/libavcodec/cbrt_tablegen.h b/ffmpeg/libavcodec/cbrt_tablegen.h deleted file mode 100644 index 0db64fc..0000000 --- a/ffmpeg/libavcodec/cbrt_tablegen.h +++ /dev/null @@ -1,52 +0,0 @@ -/* - * Header file for hardcoded AAC cube-root table - * - * Copyright (c) 2010 Reimar Döffinger <Reimar.Doeffinger@gmx.de> - * - * 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_CBRT_TABLEGEN_H -#define AVCODEC_CBRT_TABLEGEN_H - -#include <stdint.h> -#include <math.h> - -#if CONFIG_HARDCODED_TABLES -#define cbrt_tableinit() -#include "libavcodec/cbrt_tables.h" -#else -static uint32_t cbrt_tab[1 << 13]; - -static void cbrt_tableinit(void) -{ - if (!cbrt_tab[(1<<13) - 1]) { - int i; - /* cbrtf() isn't available on all systems, so we use powf(). */ - for (i = 0; i < 1<<13; i++) { - union { - float f; - uint32_t i; - } f; - f.f = pow(i, 1.0 / 3.0) * i; - cbrt_tab[i] = f.i; - } - } -} -#endif /* CONFIG_HARDCODED_TABLES */ - -#endif /* AVCODEC_CBRT_TABLEGEN_H */ |