[FFmpeg-cvslog] lavfi/avfiltergraph: suggest a solution when format selection fails.
Nicolas George
git at videolan.org
Thu Nov 28 01:36:15 CET 2013
ffmpeg | branch: release/2.1 | Nicolas George <nicolas.george at normalesup.org> | Tue Sep 3 22:12:54 2013 +0200| [c2ae9f75d731adaacde43cb3a3440d27c28a5274] | committer: Carl Eugen Hoyos
lavfi/avfiltergraph: suggest a solution when format selection fails.
Format selection can fail if unknown channel layouts are used
with filters that do not support it.
(cherry picked from commit f775eb3fb4c7b716107355e428e40cb63f71ee7a)
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=c2ae9f75d731adaacde43cb3a3440d27c28a5274
---
libavfilter/avfiltergraph.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/libavfilter/avfiltergraph.c b/libavfilter/avfiltergraph.c
index 506d79e..bcdcde0 100644
--- a/libavfilter/avfiltergraph.c
+++ b/libavfilter/avfiltergraph.c
@@ -654,6 +654,10 @@ static int pick_format(AVFilterLink *link, AVFilterLink *ref)
av_log(link->src, AV_LOG_ERROR, "Cannot select channel layout for"
" the link between filters %s and %s.\n", link->src->name,
link->dst->name);
+ if (!link->in_channel_layouts->all_counts)
+ av_log(link->src, AV_LOG_ERROR, "Unknown channel layouts not "
+ "supported, try specifying a channel layout using "
+ "'aformat=channel_layouts=something'.\n");
return AVERROR(EINVAL);
}
link->in_channel_layouts->nb_channel_layouts = 1;
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