/* * 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={ "remove_extra", 0, remove_extradata, };