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libavfilter
af_anull.c
Go to the documentation of this file.
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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 "
avfilter.h
"
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AVFilter
avfilter_af_anull
= {
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.
name
=
"anull"
,
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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 =
AVMEDIA_TYPE_AUDIO
,
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.get_audio_buffer =
avfilter_null_get_audio_buffer
,
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.filter_samples =
avfilter_null_filter_samples
},
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{ .name =
NULL
}},
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.outputs = (
AVFilterPad
[]) {{ .name =
"default"
,
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.type =
AVMEDIA_TYPE_AUDIO
, },
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{ .name =
NULL
}},
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};
avfilter.h
avfilter_null_filter_samples
void avfilter_null_filter_samples(AVFilterLink *link, AVFilterBufferRef *samplesref)
filter_samples() handler for filters which simply pass audio along
Definition:
defaults.c:283
AVFilterPad
A filter pad used for either input or output.
Definition:
avfilter.h:312
avfilter_null_get_audio_buffer
AVFilterBufferRef * avfilter_null_get_audio_buffer(AVFilterLink *link, int perms, enum AVSampleFormat sample_fmt, int size, uint64_t channel_layout, int planar)
get_audio_buffer() handler for filters which simply pass audio along
Definition:
defaults.c:293
NULL_IF_CONFIG_SMALL
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition:
internal.h:191
AVMEDIA_TYPE_AUDIO
Definition:
avutil.h:231
avfilter_af_anull
AVFilter avfilter_af_anull
Definition:
af_anull.c:26
NULL
NULL
Definition:
eval.c:50
AVFilter
Filter definition.
Definition:
avfilter.h:497
AVFilter::name
const char * name
filter name
Definition:
avfilter.h:498