From 8bf63e1c8059277f8231b59164766b179cafefa2 Mon Sep 17 00:00:00 2001 From: Aurelien Jacobs Date: Sat, 19 May 2007 00:35:27 +0000 Subject: move dump_extradata bitstream filter in its own file Originally committed as revision 9066 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/dump_extradata_bsf.c | 50 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 libavcodec/dump_extradata_bsf.c (limited to 'libavcodec/dump_extradata_bsf.c') diff --git a/libavcodec/dump_extradata_bsf.c b/libavcodec/dump_extradata_bsf.c new file mode 100644 index 0000000000..db263490a3 --- /dev/null +++ b/libavcodec/dump_extradata_bsf.c @@ -0,0 +1,50 @@ +/* + * copyright (c) 2006 Michael Niedermayer + * + * 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 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 dump_extradata_bsf={ + "dump_extra", + 0, + dump_extradata, +}; -- cgit v1.2.3