forked from KolibriOS/kolibrios
55 lines
1.7 KiB
C
55 lines
1.7 KiB
C
/*
|
|
* 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 & CODEC_FLAG_GLOBAL_HEADER) || (avctx->flags2 & 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,
|
|
};
|