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SRS5: MP3: Support decode mp3 by FFmpeg natively. (#296) (#3340)

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winlin 2022-12-26 13:23:39 +08:00
parent 2ed9516a35
commit f82f265ece
29 changed files with 6001 additions and 0 deletions
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54
trunk/3rdparty/ffmpeg-4-fit/libavcodec/mpegaudiodsp.c vendored Normal file
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/*
* 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);
}