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author | S.N. Hemanth Meenakshisundaram <smeenaks@ucsd.edu> | 2010-08-20 23:16:51 +0000 |
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committer | Stefano Sabatini <stefano.sabatini-lala@poste.it> | 2010-08-20 23:16:51 +0000 |
commit | 99046339fca92d631404b47b041e98afa28659ed (patch) | |
tree | 26b23e97aa05611c7b0bc3eacab8a527c189e296 /libavfilter/af_anull.c | |
parent | f59e9eaf78c28026ebc540b5767c7fe9f11590fc (diff) |
Add null audio filter.
Patch by S.N. Hemanth Meenakshisundaram -af smeenaks,ucsd,edu.
Originally committed as revision 24856 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavfilter/af_anull.c')
-rw-r--r-- | libavfilter/af_anull.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/libavfilter/af_anull.c b/libavfilter/af_anull.c new file mode 100644 index 0000000000..94e7e17b48 --- /dev/null +++ b/libavfilter/af_anull.c @@ -0,0 +1,41 @@ +/* + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file + * null audio filter + */ + +#include "avfilter.h" + +AVFilter avfilter_af_anull = { + .name = "anull", + .description = NULL_IF_CONFIG_SMALL("Pass the source unchanged to the output."), + + .priv_size = 0, + + .inputs = (AVFilterPad[]) {{ .name = "default", + .type = AVMEDIA_TYPE_AUDIO, + .get_audio_buffer = avfilter_null_get_audio_buffer, + .filter_samples = avfilter_null_filter_samples }, + { .name = NULL}}, + + .outputs = (AVFilterPad[]) {{ .name = "default", + .type = AVMEDIA_TYPE_AUDIO, }, + { .name = NULL}}, +}; |