/* * Chomp bitstream filter * Copyright (c) 2010 Alex Converse <alex.converse@gmail.com> * * This file is part of Libav. * * Libav 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. * * Libav 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 Libav; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include "avcodec.h" #include "bsf.h" #include "internal.h" static int chomp_filter(AVBSFContext *ctx, AVPacket *out) { AVPacket *in; int ret; ret = ff_bsf_get_packet(ctx, &in); if (ret < 0) return ret; while (in->size > 0 && !in->data[in->size - 1]) in->size--; av_packet_move_ref(out, in); av_packet_free(&in); 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, };