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libcamera: handle canceled requests

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When a request is canceled, recycle it so we don't run out of buffers.
Implement getting and setting controls.
This commit is contained in:
Wim Taymans 2022-10-31 19:01:39 +01:00
parent 71d58e6445
commit ef4b9745b2
3 changed files with 184 additions and 18 deletions
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31
spa/plugins/libcamera/libcamera-source.cpp
View file

@ -175,6 +175,7 @@ struct impl {
struct spa_source source = {};
ControlList ctrls;
bool active = false;
bool acquired = false;
@ -231,7 +232,9 @@ next:
SPA_PROP_INFO_type, SPA_POD_String(impl->device_name.c_str()));
break;
default:
return 0;
return spa_libcamera_enum_controls(impl,
GET_OUT_PORT(impl, 0),
seq, result.index - 2, num, filter);
}
break;
}
@ -275,22 +278,28 @@ static int impl_node_set_param(void *object,
switch (id) {
case SPA_PARAM_Props:
{
struct spa_pod_object *obj = (struct spa_pod_object *) param;
struct spa_pod_prop *prop;
if (param == NULL) {
impl->device_id.clear();
impl->device_name.clear();
return 0;
}
SPA_POD_OBJECT_FOREACH(obj, prop) {
char device[128];
char device[128];
int res = spa_pod_parse_object(param,
SPA_TYPE_OBJECT_Props, NULL,
SPA_PROP_device, SPA_POD_OPT_Stringn(device, sizeof(device)));
if (res < 0)
return res;
impl->device_id = device;
switch (prop->key) {
case SPA_PROP_device:
strncpy(device, (char *)SPA_POD_CONTENTS(struct spa_pod_string, &prop->value),
sizeof(device)-1);
impl->device_id = device;
break;
default:
spa_libcamera_set_control(impl, prop);
break;
}
}
break;
}
default: