Revision 8bf63e1c

View differences:

libavcodec/Makefile
304 304
OBJS-$(CONFIG_PNM_PARSER)              += pnm_parser.o pnm.o
305 305
OBJS-$(CONFIG_VC1_PARSER)              += vc1_parser.o
306 306

  
307
OBJS-$(CONFIG_DUMP_EXTRADATA_BSF)      += bitstream_filter.o
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OBJS-$(CONFIG_DUMP_EXTRADATA_BSF)      += dump_extradata_bsf.o
308 308
OBJS-$(CONFIG_REMOVE_EXTRADATA_BSF)    += remove_extradata_bsf.o
309 309
OBJS-$(CONFIG_NOISE_BSF)               += noise_bsf.o
310 310
OBJS-$(CONFIG_MP3_HEADER_COMPRESS_BSF) += mp3_header_compress_bsf.o
libavcodec/bitstream_filter.c
56 56
    *poutbuf_size= buf_size;
57 57
    return bsfc->filter->filter(bsfc, avctx, args, poutbuf, poutbuf_size, buf, buf_size, keyframe);
58 58
}
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static int dump_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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    /* cast to avoid warning about discarding qualifiers */
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    if(avctx->extradata){
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        if(  (keyframe && (avctx->flags2 & CODEC_FLAG2_LOCAL_HEADER) && cmd=='a')
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           ||(keyframe && (cmd=='k' || !cmd))
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           ||(cmd=='e')
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            /*||(? && (s->flags & PARSER_FLAG_DUMP_EXTRADATA_AT_BEGIN)*/){
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            int size= buf_size + avctx->extradata_size;
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            *poutbuf_size= size;
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            *poutbuf= av_malloc(size + FF_INPUT_BUFFER_PADDING_SIZE);
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            memcpy(*poutbuf, avctx->extradata, avctx->extradata_size);
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            memcpy((*poutbuf) + avctx->extradata_size, buf, buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
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            return 1;
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        }
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    }
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    return 0;
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}
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#ifdef CONFIG_DUMP_EXTRADATA_BSF
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AVBitStreamFilter dump_extradata_bsf={
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    "dump_extra",
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    0,
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    dump_extradata,
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};
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#endif
libavcodec/dump_extradata_bsf.c
1
/*
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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
14
 * 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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 */
20

  
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#include "avcodec.h"
22

  
23

  
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static int dump_extradata(AVBitStreamFilterContext *bsfc, AVCodecContext *avctx, const char *args,
25
                     uint8_t **poutbuf, int *poutbuf_size,
26
                     const uint8_t *buf, int buf_size, int keyframe){
27
    int cmd= args ? *args : 0;
28
    /* cast to avoid warning about discarding qualifiers */
29
    if(avctx->extradata){
30
        if(  (keyframe && (avctx->flags2 & CODEC_FLAG2_LOCAL_HEADER) && cmd=='a')
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           ||(keyframe && (cmd=='k' || !cmd))
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           ||(cmd=='e')
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            /*||(? && (s->flags & PARSER_FLAG_DUMP_EXTRADATA_AT_BEGIN)*/){
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            int size= buf_size + avctx->extradata_size;
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            *poutbuf_size= size;
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            *poutbuf= av_malloc(size + FF_INPUT_BUFFER_PADDING_SIZE);
37

  
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            memcpy(*poutbuf, avctx->extradata, avctx->extradata_size);
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            memcpy((*poutbuf) + avctx->extradata_size, buf, buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
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            return 1;
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        }
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    }
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    return 0;
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}
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AVBitStreamFilter dump_extradata_bsf={
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    "dump_extra",
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    0,
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    dump_extradata,
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};

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