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47 lines
1.5 KiB
47 lines
1.5 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 "internal.h" |
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static int chomp_filter(AVBitStreamFilterContext *bsfc, |
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AVCodecContext *avctx, const char *args, |
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uint8_t **poutbuf, int *poutbuf_size, |
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const uint8_t *buf, int buf_size, |
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int keyframe) |
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{ |
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while (buf_size > 0 && !buf[buf_size-1]) |
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buf_size--; |
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*poutbuf = (uint8_t*) buf; |
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*poutbuf_size = buf_size; |
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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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AVBitStreamFilter ff_chomp_bsf = { |
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"chomp", |
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0, |
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chomp_filter, |
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};
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