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filter-graph: improve output port number calculations

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When no output ports are given, use the number of graph outputs, which
needs to take into account the number of times we duplicated the graph.
This commit is contained in:
Wim Taymans 2024-11-15 12:21:49 +01:00
parent 3b27ff0c71
commit 3b51dbba1c
1 changed files with 7 additions and 2 deletions
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9
spa/plugins/filter-graph/filter-graph.c
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@ -1608,12 +1608,14 @@ static int setup_graph(struct graph *graph, struct spa_json *inputs, struct spa_
if (impl->info.n_inputs == 0)
impl->info.n_inputs = n_input;
if (impl->info.n_outputs == 0)
impl->info.n_outputs = n_output;
/* compare to the requested number of inputs and duplicate the
* graph n_hndl times when needed. */
n_hndl = impl->info.n_inputs / n_input;
if (impl->info.n_outputs == 0)
impl->info.n_outputs = n_output * n_hndl;
if (n_hndl != impl->info.n_outputs / n_output) {
spa_log_error(impl->log, "invalid ports. The input stream has %1$d ports and "
"the filter has %2$d inputs. The output stream has %3$d ports "
@ -1638,6 +1640,9 @@ static int setup_graph(struct graph *graph, struct spa_json *inputs, struct spa_
"unconnected..",
impl->info.n_inputs, n_input,
impl->info.n_outputs, n_output);
if (impl->info.n_outputs == 0)
impl->info.n_outputs = n_output * n_hndl;
}
spa_log_info(impl->log, "using %d instances %d %d", n_hndl, n_input, n_output);