[FFmpeg-cvslog] avfilter: Log an error if avfilter fails to configure a link.

[Alex Converse]

ffmpeg | branch: master | Alex Converse <alex.converse at gmail.com> | Fri Jun  8 12:02:04 2012 -0700| [65a80ee1ec854dc4e5d090fa5b2be9afeae312d3] | committer: Alex Converse

avfilter: Log an error if avfilter fails to configure a link.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=65a80ee1ec854dc4e5d090fa5b2be9afeae312d3
---

 libavfilter/avfilter.c |   12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/libavfilter/avfilter.c b/libavfilter/avfilter.c
index 3dbb692..9b62be3 100644
--- a/libavfilter/avfilter.c
+++ b/libavfilter/avfilter.c
@@ -163,8 +163,12 @@ int avfilter_config_links(AVFilterContext *filter)
                                                     "callbacks on all outputs\n");
                     return AVERROR(EINVAL);
                 }
-            } else if ((ret = config_link(link)) < 0)
+            } else if ((ret = config_link(link)) < 0) {
+                av_log(link->src, AV_LOG_ERROR,
+                       "Failed to configure output pad on %s\n",
+                       link->src->name);
                 return ret;
+            }
 
             if (link->time_base.num == 0 && link->time_base.den == 0)
                 link->time_base = link->src && link->src->input_count ?
@@ -189,8 +193,12 @@ int avfilter_config_links(AVFilterContext *filter)
             }
 
             if ((config_link = link->dstpad->config_props))
-                if ((ret = config_link(link)) < 0)
+                if ((ret = config_link(link)) < 0) {
+                    av_log(link->src, AV_LOG_ERROR,
+                           "Failed to configure input pad on %s\n",
+                           link->dst->name);
                     return ret;
+                }
 
             link->init_state = AVLINK_INIT;
         }