mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2024-12-27 01:42:20 +00:00
5eaaffaf64
These tables are static so they should only be initialized once instead of on every call to ff_mpadsp_init(). Signed-off-by: Dale Curtis <dalecurtis@chromium.org> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
55 lines
1.9 KiB
C
55 lines
1.9 KiB
C
/*
|
|
* Copyright (c) 2011 Mans Rullgard
|
|
*
|
|
* 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
|
|
*/
|
|
|
|
#include "config.h"
|
|
#include "libavutil/attributes.h"
|
|
#include "libavutil/thread.h"
|
|
#include "mpegaudiodsp.h"
|
|
#include "dct.h"
|
|
#include "dct32.h"
|
|
|
|
static AVOnce mpadsp_float_table_init = AV_ONCE_INIT;
|
|
static AVOnce mpadsp_fixed_table_init = AV_ONCE_INIT;
|
|
|
|
av_cold void ff_mpadsp_init(MPADSPContext *s)
|
|
{
|
|
DCTContext dct;
|
|
|
|
ff_dct_init(&dct, 5, DCT_II);
|
|
ff_thread_once(&mpadsp_float_table_init, &ff_init_mpadsp_tabs_float);
|
|
ff_thread_once(&mpadsp_fixed_table_init, &ff_init_mpadsp_tabs_fixed);
|
|
|
|
s->apply_window_float = ff_mpadsp_apply_window_float;
|
|
s->apply_window_fixed = ff_mpadsp_apply_window_fixed;
|
|
|
|
s->dct32_float = dct.dct32;
|
|
s->dct32_fixed = ff_dct32_fixed;
|
|
|
|
s->imdct36_blocks_float = ff_imdct36_blocks_float;
|
|
s->imdct36_blocks_fixed = ff_imdct36_blocks_fixed;
|
|
|
|
if (ARCH_AARCH64) ff_mpadsp_init_aarch64(s);
|
|
if (ARCH_ARM) ff_mpadsp_init_arm(s);
|
|
if (ARCH_PPC) ff_mpadsp_init_ppc(s);
|
|
if (ARCH_X86) ff_mpadsp_init_x86(s);
|
|
if (HAVE_MIPSFPU) ff_mpadsp_init_mipsfpu(s);
|
|
if (HAVE_MIPSDSP) ff_mpadsp_init_mipsdsp(s);
|
|
}
|