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49 lines
1.7 KiB
C
49 lines
1.7 KiB
C
/*
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* Filter layer - default implementations
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* Copyright (c) 2007 Bobby Bingham
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*
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* This file is part of Libav.
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*
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* Libav 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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* Libav 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 Libav; 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 "libavutil/audioconvert.h"
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#include "libavutil/imgutils.h"
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#include "libavutil/samplefmt.h"
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#include "avfilter.h"
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#include "internal.h"
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#include "formats.h"
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/**
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* default config_link() implementation for output video links to simplify
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* the implementation of one input one output video filters */
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int avfilter_default_config_output_link(AVFilterLink *link)
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{
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if (link->src->input_count && link->src->inputs[0]) {
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if (link->type == AVMEDIA_TYPE_VIDEO) {
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link->w = link->src->inputs[0]->w;
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link->h = link->src->inputs[0]->h;
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link->time_base = link->src->inputs[0]->time_base;
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}
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} else {
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/* XXX: any non-simple filter which would cause this branch to be taken
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* really should implement its own config_props() for this link. */
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return -1;
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}
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return 0;
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}
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