Commit aba8065a authored by Nicolas George's avatar Nicolas George

avfiltergraph: call query_formats on inputs first.

This is a temporary workaround for amerge,
until format renegociation is implemented.

Should fix trac ticket #1400.
parent 6a4c5c73
......@@ -235,8 +235,14 @@ static int query_formats(AVFilterGraph *graph, AVClass *log_ctx)
AVFilterFormats *samplerates;
int scaler_count = 0, resampler_count = 0;
for (j = 0; j < 2; j++) {
/* ask all the sub-filters for their supported media formats */
for (i = 0; i < graph->filter_count; i++) {
/* Call query_formats on sources first.
This is a temporary workaround for amerge,
until format renegociation is implemented. */
if (!graph->filters[i]->input_count == j)
continue;
if (graph->filters[i]->filter->query_formats)
ret = graph->filters[i]->filter->query_formats(graph->filters[i]);
else
......@@ -244,6 +250,7 @@ static int query_formats(AVFilterGraph *graph, AVClass *log_ctx)
if (ret < 0)
return ret;
}
}
/* go through and merge as many format lists as possible */
for (i = 0; i < graph->filter_count; i++) {
......
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