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55 lines
1.7 KiB
55 lines
1.7 KiB
/* |
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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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