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avfiltergraph: check the query_formats() return value

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This commit is contained in:
Anton Khirnov 2016-05-22 10:46:19 +02:00
parent 2ef6dab0a7
commit ac84e618df
1 changed files with 8 additions and 2 deletions
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10
libavfilter/avfiltergraph.c
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@ -271,9 +271,15 @@ static int query_formats(AVFilterGraph *graph, AVClass *log_ctx)
/* ask all the sub-filters for their supported media formats */
for (i = 0; i < graph->nb_filters; i++) {
if (graph->filters[i]->filter->query_formats)
graph->filters[i]->filter->query_formats(graph->filters[i]);
ret = graph->filters[i]->filter->query_formats(graph->filters[i]);
else
ff_default_query_formats(graph->filters[i]);
ret = ff_default_query_formats(graph->filters[i]);
if (ret < 0) {
av_log(log_ctx, AV_LOG_ERROR,
"Error querying formats for the filter %s (%s)\n",
graph->filters[i]->name, graph->filters[i]->filter->name);
return ret;
}
}
/* go through and merge as many format lists as possible */