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stream: add support for double controls

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We convert them to and from float.
This commit is contained in:
Wim Taymans 2022-03-30 17:15:59 +02:00
parent 7e227c5c6a
commit 42d689edf2
1 changed files with 21 additions and 1 deletions
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22
src/pipewire/stream.c
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@ -1152,7 +1152,7 @@ static int node_event_param(void *object, int seq,
struct control *c;
const struct spa_pod *type, *pod;
uint32_t iid, choice, n_vals, container = SPA_ID_INVALID;
float *vals, bool_range[3] = { 1.0, 0.0, 1.0 };
float *vals, bool_range[3] = { 1.0, 0.0, 1.0 }, dbl[3];
if (spa_pod_parse_object(param,
SPA_TYPE_OBJECT_PropInfo, NULL,
@ -1186,6 +1186,15 @@ static int node_event_param(void *object, int seq,
c->type = SPA_POD_TYPE(pod);
if (spa_pod_is_float(pod))
vals = SPA_POD_BODY(pod);
else if (spa_pod_is_double(pod)) {
double *v = SPA_POD_BODY(pod);
dbl[0] = v[0];
if (n_vals > 1)
dbl[1] = v[1];
if (n_vals > 2)
dbl[2] = v[2];
vals = dbl;
}
else if (spa_pod_is_bool(pod) && n_vals > 0) {
choice = SPA_CHOICE_Range;
vals = bool_range;
@ -1231,6 +1240,7 @@ static int node_event_param(void *object, int seq,
struct spa_pod_object *obj = (struct spa_pod_object *) param;
union {
float f;
double d;
bool b;
} value;
float *values;
@ -1250,6 +1260,13 @@ static int node_event_param(void *object, int seq,
n_values = 1;
values = &value.f;
break;
case SPA_TYPE_Double:
if (spa_pod_get_double(&prop->value, &value.d) < 0)
continue;
n_values = 1;
value.f = value.d;
values = &value.f;
break;
case SPA_TYPE_Bool:
if (spa_pod_get_bool(&prop->value, &value.b) < 0)
continue;
@ -2039,6 +2056,9 @@ int pw_stream_set_control(struct pw_stream *stream, uint32_t id, uint32_t n_valu
case SPA_TYPE_Float:
spa_pod_builder_float(&b, values[0]);
break;
case SPA_TYPE_Double:
spa_pod_builder_double(&b, values[0]);
break;
case SPA_TYPE_Bool:
spa_pod_builder_bool(&b, values[0] < 0.5 ? false : true);
break;