Fixed-point MDCT with 32-bit unscaled output

[ffmpeg] / libavfilter / avfilter.c

diff --git a/libavfilter/avfilter.c b/libavfilter/avfilter.c
index 554fbd4105681d2aa57f5d4e6763f63252b5f5d3..135b9ff0a28885abf1612f9f3a7b597eba4ea32c 100644 (file)
--- a/libavfilter/avfilter.c
+++ b/libavfilter/avfilter.c
@@ -2,20 +2,20 @@
  * filter layer
  * Copyright (c) 2007 Bobby Bingham
  *
- * This file is part of FFmpeg.
+ * This file is part of Libav.
  *
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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,
+ * Libav 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
+ * License along with Libav; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
@@ -23,8 +23,8 @@
 
 #include "libavutil/pixdesc.h"
 #include "libavutil/rational.h"
-#include "libavcore/audioconvert.h"
-#include "libavcore/imgutils.h"
+#include "libavutil/audioconvert.h"
+#include "libavutil/imgutils.h"
 #include "avfilter.h"
 #include "internal.h"
 
@@ -34,13 +34,13 @@ unsigned avfilter_version(void) {
 
 const char *avfilter_configuration(void)
 {
-    return FFMPEG_CONFIGURATION;
+    return LIBAV_CONFIGURATION;
 }
 
 const char *avfilter_license(void)
 {
 #define LICENSE_PREFIX "libavfilter license: "
-    return LICENSE_PREFIX FFMPEG_LICENSE + sizeof(LICENSE_PREFIX) - 1;
+    return LICENSE_PREFIX LIBAV_LICENSE + sizeof(LICENSE_PREFIX) - 1;
 }
 
 AVFilterBufferRef *avfilter_ref_buffer(AVFilterBufferRef *ref, int pmask)
@@ -194,6 +194,16 @@ int avfilter_config_links(AVFilterContext *filter)
                 link->time_base = link->src && link->src->input_count ?
                     link->src->inputs[0]->time_base : AV_TIME_BASE_Q;
 
+            if (link->sample_aspect_ratio.num == 0 && link->sample_aspect_ratio.den == 0)
+                link->sample_aspect_ratio = link->src->input_count ?
+                    link->src->inputs[0]->sample_aspect_ratio : (AVRational){1,1};
+
+            if (link->sample_rate == 0 && link->src && link->src->input_count)
+                link->sample_rate = link->src->inputs[0]->sample_rate;
+
+            if (link->channel_layout == 0 && link->src && link->src->input_count)
+                link->channel_layout = link->src->inputs[0]->channel_layout;
+
             if ((config_link = link->dstpad->config_props))
                 if ((ret = config_link(link)) < 0)
                     return ret;