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ae2abc69db
noformat and null filters. Originally committed as revision 20443 to svn://svn.ffmpeg.org/ffmpeg/trunk
59 lines
2.0 KiB
C
59 lines
2.0 KiB
C
/*
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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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/**
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* @file libavfilter/vf_null.c
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* null video filter
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*/
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#include "avfilter.h"
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static AVFilterPicRef *get_video_buffer(AVFilterLink *link, int perms,
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int w, int h)
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{
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return avfilter_get_video_buffer(link->dst->outputs[0], perms, w, h);
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}
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static void start_frame(AVFilterLink *link, AVFilterPicRef *picref)
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{
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avfilter_start_frame(link->dst->outputs[0], picref);
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}
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static void end_frame(AVFilterLink *link)
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{
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avfilter_end_frame(link->dst->outputs[0]);
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}
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AVFilter avfilter_vf_null = {
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.name = "null",
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.description = NULL_IF_CONFIG_SMALL("Pass the source unchanged to the output."),
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.priv_size = 0,
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.inputs = (AVFilterPad[]) {{ .name = "default",
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.type = CODEC_TYPE_VIDEO,
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.get_video_buffer = get_video_buffer,
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.start_frame = start_frame,
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.end_frame = end_frame },
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{ .name = NULL}},
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.outputs = (AVFilterPad[]) {{ .name = "default",
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.type = CODEC_TYPE_VIDEO, },
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{ .name = NULL}},
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};
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