@c man end AUDIO SOURCES
+@chapter Audio Sinks
+@c man begin AUDIO SINKS
+
+Below is a description of the currently available audio sinks.
+
+@section anullsink
+
+Null audio sink, do absolutely nothing with the input audio. It is
+mainly useful as a template and to be employed in analysis / debugging
+tools.
+
+@c man end AUDIO SINKS
+
@chapter Video Filters
@c man begin VIDEO FILTERS
OBJS-$(CONFIG_ANULLSRC_FILTER) += asrc_anullsrc.o
+OBJS-$(CONFIG_ANULLSINK_FILTER) += asink_anullsink.o
+
OBJS-$(CONFIG_ASPECT_FILTER) += vf_aspect.o
OBJS-$(CONFIG_CROP_FILTER) += vf_crop.o
OBJS-$(CONFIG_FIFO_FILTER) += vf_fifo.o
REGISTER_FILTER (ANULLSRC, anullsrc, asrc);
+ REGISTER_FILTER (ANULLSINK, anullsink, asink);
+
REGISTER_FILTER (ASPECT, aspect, vf);
REGISTER_FILTER (CROP, crop, vf);
REGISTER_FILTER (FIFO, fifo, vf);
--- /dev/null
+/*
+ * 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
+ */
+
+#include "avfilter.h"
+
+static void null_filter_samples(AVFilterLink *link, AVFilterBufferRef *samplesref) { }
+
+AVFilter avfilter_asink_anullsink = {
+ .name = "anullsink",
+ .description = NULL_IF_CONFIG_SMALL("Do absolutely nothing with the input audio."),
+
+ .priv_size = 0,
+
+ .inputs = (AVFilterPad[]) {
+ {
+ .name = "default",
+ .type = AVMEDIA_TYPE_AUDIO,
+ .filter_samples = null_filter_samples,
+ },
+ { .name = NULL},
+ },
+ .outputs = (AVFilterPad[]) {{ .name = NULL }},
+};
#include "libavutil/avutil.h"
#define LIBAVFILTER_VERSION_MAJOR 1
-#define LIBAVFILTER_VERSION_MINOR 43
+#define LIBAVFILTER_VERSION_MINOR 44
#define LIBAVFILTER_VERSION_MICRO 0
#define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \