mirror of
https://github.com/librempeg/librempeg
synced 2024-11-23 11:39:47 +00:00
54 lines
1.9 KiB
C
54 lines
1.9 KiB
C
/*
|
|
* copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
|
|
*
|
|
* This file is part of Libav.
|
|
*
|
|
* Libav 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.
|
|
*
|
|
* Libav 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 Libav; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#include <string.h>
|
|
|
|
#include "avcodec.h"
|
|
#include "libavutil/mem.h"
|
|
|
|
|
|
static int dump_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;
|
|
/* cast to avoid warning about discarding qualifiers */
|
|
if(avctx->extradata){
|
|
if( (keyframe && (avctx->flags2 & CODEC_FLAG2_LOCAL_HEADER) && cmd=='a')
|
|
||(keyframe && (cmd=='k' || !cmd))
|
|
||(cmd=='e')
|
|
/*||(? && (s->flags & PARSER_FLAG_DUMP_EXTRADATA_AT_BEGIN)*/){
|
|
int size= buf_size + avctx->extradata_size;
|
|
*poutbuf_size= size;
|
|
*poutbuf= av_malloc(size + FF_INPUT_BUFFER_PADDING_SIZE);
|
|
|
|
memcpy(*poutbuf, avctx->extradata, avctx->extradata_size);
|
|
memcpy((*poutbuf) + avctx->extradata_size, buf, buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
|
|
return 1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
AVBitStreamFilter ff_dump_extradata_bsf={
|
|
"dump_extra",
|
|
0,
|
|
dump_extradata,
|
|
};
|