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lavfi/avfiltergraph: do not reduce incompatible lists.

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A list of "all channel layouts" but not "all channel counts"
can not be reduced to a single unknown channel count.
(cherry picked from commit d300f5f6f5)
This commit is contained in:
Nicolas George
2013-09-03 22:13:49 +02:00
committed by Carl Eugen Hoyos
parent 62baf22ec0
commit c2d37e7364
1 changed files with 2 additions and 1 deletions
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libavfilter/avfiltergraph.c
+2 -1
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@@ -661,7 +661,8 @@ static int reduce_formats_on_filter(AVFilterContext *filter)
if (inlink->type != outlink->type || fmts->nb_channel_layouts == 1)
continue;
if (fmts->all_layouts) {
if (fmts->all_layouts &&
(!FF_LAYOUT2COUNT(fmt) || fmts->all_counts)) {
/* Turn the infinite list into a singleton */
fmts->all_layouts = fmts->all_counts = 0;
ff_add_channel_layout(&outlink->in_channel_layouts, fmt);