|
|
|
|
/*
|
|
|
|
|
* MPEG Audio header decoder
|
|
|
|
|
* Copyright (c) 2001, 2002 Fabrice Bellard.
|
|
|
|
|
*
|
|
|
|
|
* 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
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* @file mpegaudiodecheader.c
|
|
|
|
|
* MPEG Audio header decoder.
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
#ifndef AVCODEC_MPEGAUDIODECHEADER_H
|
|
|
|
|
#define AVCODEC_MPEGAUDIODECHEADER_H
|
|
|
|
|
|
|
|
|
|
#include "libavutil/common.h"
|
|
|
|
|
#include "mpegaudio.h"
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* header decoding. MUST check the header before because no
|
|
|
|
|
consistency check is done there. Return 1 if free format found and
|
|
|
|
|
that the frame size must be computed externally */
|
|
|
|
|
int ff_mpegaudio_decode_header(MPADecodeContext *s, uint32_t header);
|
|
|
|
|
|
|
|
|
|
#endif /* AVCODEC_MPEGAUDIODECHEADER_H */
|
