0,0 → 1,46 |
/* |
* Chomp bitstream filter |
* Copyright (c) 2010 Alex Converse <alex.converse@gmail.com> |
* |
* 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" |
#include "internal.h" |
|
static int chomp_filter(AVBitStreamFilterContext *bsfc, |
AVCodecContext *avctx, const char *args, |
uint8_t **poutbuf, int *poutbuf_size, |
const uint8_t *buf, int buf_size, |
int keyframe) |
{ |
while (buf_size > 0 && !buf[buf_size-1]) |
buf_size--; |
|
*poutbuf = (uint8_t*) buf; |
*poutbuf_size = buf_size; |
|
return 0; |
} |
|
/** |
* This filter removes a string of NULL bytes from the end of a packet. |
*/ |
AVBitStreamFilter ff_chomp_bsf = { |
.name = "chomp", |
.filter = chomp_filter, |
}; |