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spa: libcamera: source: move control enumeration to loop

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Remove the `goto`s and instead move everything into a loop.

(cherry picked from commit 44c05cfa7b)
This commit is contained in:
Barnabás Pőcze 2025-07-23 14:06:11 +02:00 • committed by Robert Mader
parent eb6b9a47fc
commit f6d3db72a1
1 changed files with 23 additions and 32 deletions
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55
spa/plugins/libcamera/libcamera-source.cpp
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@ -810,44 +810,35 @@ spa_libcamera_enum_controls(struct impl *impl, struct port *port, int seq,
const ControlInfoMap &info = impl->camera->controls();
uint8_t buffer[1024];
struct spa_pod_builder b = { 0 };
struct spa_result_node_params result;
struct spa_pod *ctrl;
uint32_t count = 0, skip;
int res;
result.id = SPA_PARAM_PropInfo;
result.next = start;
spa_result_node_params result = {
.id = SPA_PARAM_PropInfo,
};
auto it = info.begin();
for (skip = result.next - offset; skip && it != info.end(); skip--)
for (auto skip = start - offset; skip && it != info.end(); skip--)
it++;
if (false) {
next:
it++;
for (result.index = start; num > 0 && it != info.end(); ++it, result.index++) {
spa_log_debug(impl->log, "%p: controls[%" PRIu32 "]: %s::%s",
impl, result.index, it->first->vendor().c_str(),
it->first->name().c_str());
spa_pod_builder_init(&b, buffer, sizeof(buffer));
const auto *ctrl = control_details_to_pod(b, *it->first, it->second);
if (!ctrl)
continue;
if (spa_pod_filter(&b, &result.param, ctrl, filter) < 0)
continue;
result.next = result.index + 1;
spa_node_emit_result(&impl->hooks, seq, 0, SPA_RESULT_TYPE_NODE_PARAMS, &result);
num -= 1;
}
result.index = result.next++;
if (it == info.end())
goto enum_end;
spa_pod_builder_init(&b, buffer, sizeof(buffer));
ctrl = control_details_to_pod(b, *it->first, it->second);
if (!ctrl)
goto next;
if (spa_pod_filter(&b, &result.param, ctrl, filter) < 0)
goto next;
spa_node_emit_result(&impl->hooks, seq, 0, SPA_RESULT_TYPE_NODE_PARAMS, &result);
if (++count != num)
goto next;
enum_end:
res = 0;
return res;
return 0;
}
struct val {