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https://github.com/FFmpeg/FFmpeg.git
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56 lines
1.7 KiB
C
56 lines
1.7 KiB
C
/*
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* copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "avcodec.h"
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static int remove_extradata(AVBitStreamFilterContext *bsfc, AVCodecContext *avctx, const char *args,
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uint8_t **poutbuf, int *poutbuf_size,
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const uint8_t *buf, int buf_size, int keyframe){
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int cmd= args ? *args : 0;
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AVCodecParserContext *s;
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if(!bsfc->parser){
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bsfc->parser= av_parser_init(avctx->codec_id);
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}
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s= bsfc->parser;
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if(s && s->parser->split){
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if( (((avctx->flags & CODEC_FLAG_GLOBAL_HEADER) || (avctx->flags2 & CODEC_FLAG2_LOCAL_HEADER)) && cmd=='a')
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||(!keyframe && cmd=='k')
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||(cmd=='e' || !cmd)
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){
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int i= s->parser->split(avctx, buf, buf_size);
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buf += i;
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buf_size -= i;
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}
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}
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*poutbuf= (uint8_t *) buf;
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*poutbuf_size= buf_size;
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return 0;
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}
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AVBitStreamFilter remove_extradata_bsf={
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"remove_extra",
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0,
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remove_extradata,
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};
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