2 * Chomp bitstream filter
3 * Copyright (c) 2010 Alex Converse <alex.converse@gmail.com>
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
25 static int chomp_filter(AVBitStreamFilterContext
*bsfc
,
26 AVCodecContext
*avctx
, const char *args
,
27 uint8_t **poutbuf
, int *poutbuf_size
,
28 const uint8_t *buf
, int buf_size
,
31 while (buf_size
> 0 && !buf
[buf_size
-1])
34 *poutbuf
= (uint8_t*) buf
;
35 *poutbuf_size
= buf_size
;
41 * This filter removes a string of NULL bytes from the end of a packet.
43 AVBitStreamFilter ff_chomp_bsf
= {
45 .filter
= chomp_filter
,