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/*
* copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
*
* 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 "avcodec.h"
static int remove_extradata(AVBitStreamFilterContext *bsfc, AVCodecContext *avctx, const char *args,
uint8_t **poutbuf, int *poutbuf_size,
const uint8_t *buf, int buf_size, int keyframe){
int cmd= args ? *args : 0;
AVCodecParserContext *s;
if(!bsfc->parser){
bsfc->parser= av_parser_init(avctx->codec_id);
}
s= bsfc->parser;
if(s && s->parser->split){
if( (((avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) ||
(avctx->flags2 & AV_CODEC_FLAG2_LOCAL_HEADER)) && cmd == 'a')
||(!keyframe && cmd=='k')
||(cmd=='e' || !cmd)
){
int i= s->parser->split(avctx, buf, buf_size);
buf += i;
buf_size -= i;
}
}
*poutbuf= (uint8_t *) buf;
*poutbuf_size= buf_size;
return 0;
}
AVBitStreamFilter ff_remove_extradata_bsf={
.name = "remove_extra",
.filter = remove_extradata,
};
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