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50 lines
1.4 KiB
50 lines
1.4 KiB
/* |
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* Chomp bitstream filter |
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* Copyright (c) 2010 Alex Converse <alex.converse@gmail.com> |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include "avcodec.h" |
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#include "bsf.h" |
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#include "internal.h" |
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static int chomp_filter(AVBSFContext *ctx, AVPacket *out) |
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{ |
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AVPacket *in; |
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int ret; |
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ret = ff_bsf_get_packet(ctx, &in); |
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if (ret < 0) |
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return ret; |
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while (in->size > 0 && !in->data[in->size - 1]) |
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in->size--; |
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av_packet_move_ref(out, in); |
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av_packet_free(&in); |
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return 0; |
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} |
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/** |
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* This filter removes a string of NULL bytes from the end of a packet. |
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*/ |
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const AVBitStreamFilter ff_chomp_bsf = { |
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.name = "chomp", |
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.filter = chomp_filter, |
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};
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