46 lines
1.3 KiB
C
46 lines
1.3 KiB
C
|
/*
|
||
|
|
* 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 "bsf.h"
|
||
|
|
#include "bsf_internal.h"
|
||
|
|
|
||
|
|
static int chomp_filter(AVBSFContext *ctx, AVPacket *pkt)
|
||
|
|
{
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
ret = ff_bsf_get_packet_ref(ctx, pkt);
|
||
|
|
if (ret < 0)
|
||
|
|
return ret;
|
||
|
|
|
||
|
|
while (pkt->size > 0 && !pkt->data[pkt->size - 1])
|
||
|
|
pkt->size--;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This filter removes a string of NULL bytes from the end of a packet.
|
||
|
|
*/
|
||
|
|
const AVBitStreamFilter ff_chomp_bsf = {
|
||
|
|
.name = "chomp",
|
||
|
|
.filter = chomp_filter,
|
||
|
|
};
|