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control: only convert midi/UMP, pass other control types

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We should only try to convert MIDI/UMP when the port doesn't support it
but let all the other control types pass through.

Fixes #4692
This commit is contained in:
Wim Taymans 2025-05-09 09:33:05 +02:00
parent 608bf93f7a
commit 436195f05f
1 changed files with 9 additions and 1 deletions
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10
spa/plugins/control/mixer.c
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@ -671,6 +671,14 @@ static inline int event_sort(struct spa_pod_control *a, struct spa_pod_control *
}
}
static inline bool control_needs_conversion(struct port *port, uint32_t type)
{
/* we only converter between midi and UMP and only when the port
* does not support the current type */
return (type == SPA_CONTROL_Midi || type == SPA_CONTROL_UMP) &&
port->types && (port->types & (1u << type)) == 0;
}
static int impl_node_process(void *object)
{
struct impl *this = object;
@ -782,7 +790,7 @@ static int impl_node_process(void *object)
if (next == NULL)
break;
if (outport->types && (outport->types & (1u << next->type)) == 0) {
if (control_needs_conversion(outport, next->type)) {
uint8_t *data = SPA_POD_BODY(&next->value);
size_t size = SPA_POD_BODY_SIZE(&next->value);