[FFmpeg-cvslog] r25189 - in trunk: doc/filters.texi libavfilter/Makefile libavfilter/allfilters.c libavfilter/asink_anullsink.c libavfilter/avfilter.h
stefano
subversion
Sat Sep 25 03:57:02 CEST 2010
Author: stefano
Date: Sat Sep 25 03:57:01 2010
New Revision: 25189
Log:
Add asink_anullsink - null audio sink.
Patch by "S.N. Hemanth Meenakshisundaram" /smeenaks/ucsd/edu.
Added:
trunk/libavfilter/asink_anullsink.c
Modified:
trunk/doc/filters.texi
trunk/libavfilter/Makefile
trunk/libavfilter/allfilters.c
trunk/libavfilter/avfilter.h
Modified: trunk/doc/filters.texi
==============================================================================
--- trunk/doc/filters.texi Sat Sep 25 03:56:58 2010 (r25188)
+++ trunk/doc/filters.texi Sat Sep 25 03:57:01 2010 (r25189)
@@ -48,6 +48,19 @@ anullsrc=48000:mono
@c man end AUDIO SOURCES
+ at chapter Audio Sinks
+ at c man begin AUDIO SINKS
+
+Below is a description of the currently available audio sinks.
+
+ at 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.
+
+ at c man end AUDIO SINKS
+
@chapter Video Filters
@c man begin VIDEO FILTERS
Modified: trunk/libavfilter/Makefile
==============================================================================
--- trunk/libavfilter/Makefile Sat Sep 25 03:56:58 2010 (r25188)
+++ trunk/libavfilter/Makefile Sat Sep 25 03:57:01 2010 (r25189)
@@ -18,6 +18,8 @@ OBJS-$(CONFIG_ANULL_FILTER)
OBJS-$(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
Modified: trunk/libavfilter/allfilters.c
==============================================================================
--- trunk/libavfilter/allfilters.c Sat Sep 25 03:56:58 2010 (r25188)
+++ trunk/libavfilter/allfilters.c Sat Sep 25 03:57:01 2010 (r25189)
@@ -38,6 +38,8 @@ void avfilter_register_all(void)
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);
Added: trunk/libavfilter/asink_anullsink.c
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ trunk/libavfilter/asink_anullsink.c Sat Sep 25 03:57:01 2010 (r25189)
@@ -0,0 +1,38 @@
+/*
+ * 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 }},
+};
Modified: trunk/libavfilter/avfilter.h
==============================================================================
--- trunk/libavfilter/avfilter.h Sat Sep 25 03:56:58 2010 (r25188)
+++ trunk/libavfilter/avfilter.h Sat Sep 25 03:57:01 2010 (r25189)
@@ -25,7 +25,7 @@
#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, \
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