FFmpeg: libavcodec/mpegaudiodsp.c Source File

00001 /*
00002  * Copyright (c) 2011 Mans Rullgard
00003  *
00004  * This file is part of FFmpeg.
00005  *
00006  * FFmpeg is free software; you can redistribute it and/or
00007  * modify it under the terms of the GNU Lesser General Public
00008  * License as published by the Free Software Foundation; either
00009  * version 2.1 of the License, or (at your option) any later version.
00010  *
00011  * FFmpeg is distributed in the hope that it will be useful,
00012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014  * Lesser General Public License for more details.
00015  *
00016  * You should have received a copy of the GNU Lesser General Public
00017  * License along with FFmpeg; if not, write to the Free Software
00018  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
00019  */
00020 
00021 #include "config.h"
00022 #include "mpegaudiodsp.h"
00023 #include "dct.h"
00024 #include "dct32.h"
00025 
00026 void ff_mpadsp_init(MPADSPContext *s)
00027 {
00028     DCTContext dct;
00029 
00030     ff_dct_init(&dct, 5, DCT_II);
00031 
00032     s->apply_window_float = ff_mpadsp_apply_window_float;
00033     s->apply_window_fixed = ff_mpadsp_apply_window_fixed;
00034 
00035     s->dct32_float = dct.dct32;
00036     s->dct32_fixed = ff_dct32_fixed;
00037 
00038     s->imdct36_float = ff_imdct36_float;
00039     s->imdct36_fixed = ff_imdct36_fixed;
00040 
00041     if (ARCH_ARM)     ff_mpadsp_init_arm(s);
00042     if (HAVE_MMX)     ff_mpadsp_init_mmx(s);
00043     if (HAVE_ALTIVEC) ff_mpadsp_init_altivec(s);
00044 }