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1 | /* |
2 | * copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at> | |
3 | * | |
4 | * This file is part of FFmpeg. | |
5 | * | |
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. | |
10 | * | |
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. | |
15 | * | |
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 | |
19 | */ | |
20 | ||
21 | #include <string.h> | |
22 | ||
23 | #include "avcodec.h" | |
24 | #include "libavutil/mem.h" | |
25 | ||
26 | ||
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 */ | |
32 | if(avctx->extradata){ | |
33 | if( (keyframe && (avctx->flags2 & CODEC_FLAG2_LOCAL_HEADER) && cmd=='a') | |
34 | ||(keyframe && (cmd=='k' || !cmd)) | |
35 | ||(cmd=='e') | |
36 | /*||(? && (s->flags & PARSER_FLAG_DUMP_EXTRADATA_AT_BEGIN)*/){ | |
37 | int size= buf_size + avctx->extradata_size; | |
38 | *poutbuf_size= size; | |
39 | *poutbuf= av_malloc(size + FF_INPUT_BUFFER_PADDING_SIZE); | |
40 | ||
41 | memcpy(*poutbuf, avctx->extradata, avctx->extradata_size); | |
42 | memcpy((*poutbuf) + avctx->extradata_size, buf, buf_size + FF_INPUT_BUFFER_PADDING_SIZE); | |
43 | return 1; | |
44 | } | |
45 | } | |
46 | return 0; | |
47 | } | |
48 | ||
49 | AVBitStreamFilter ff_dump_extradata_bsf={ | |
50 | .name = "dump_extra", | |
51 | .filter = dump_extradata, | |
52 | }; |