2 * copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
24 #include "libavutil/mem.h"
27 static int dump_extradata(AVBitStreamFilterContext *bsfc, AVCodecContext *avctx, const char *args,
28 uint8_t **poutbuf, int *poutbuf_size,
29 const uint8_t *buf, int buf_size, int keyframe){
30 int cmd= args ? *args : 0;
31 /* cast to avoid warning about discarding qualifiers */
33 if( (keyframe && (avctx->flags2 & AV_CODEC_FLAG2_LOCAL_HEADER) && cmd == 'a')
34 ||(keyframe && (cmd=='k' || !cmd))
36 /*||(? && (s->flags & PARSER_FLAG_DUMP_EXTRADATA_AT_BEGIN)*/){
37 int size= buf_size + avctx->extradata_size;
39 *poutbuf= av_malloc(size + AV_INPUT_BUFFER_PADDING_SIZE);
41 return AVERROR(ENOMEM);
43 memcpy(*poutbuf, avctx->extradata, avctx->extradata_size);
44 memcpy((*poutbuf) + avctx->extradata_size, buf, buf_size + AV_INPUT_BUFFER_PADDING_SIZE);
51 AVBitStreamFilter ff_dump_extradata_bsf={
53 .filter = dump_extradata,