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audioconvert: add volume and mute property

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Expose volume and mute property in channelmix and use this
in audioconvert.
This commit is contained in:
Wim Taymans 2018-10-18 15:04:40 +02:00
parent 842abad9e1
commit f2e03077a8
2 changed files with 145 additions and 30 deletions
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93
spa/plugins/audioconvert/channelmix.c
View file

@ -411,10 +411,91 @@ static int setup_convert(struct impl *this,
static int impl_node_enum_params(struct spa_node *node,
uint32_t id, uint32_t *index,
const struct spa_pod *filter,
struct spa_pod **param,
struct spa_pod **result,
struct spa_pod_builder *builder)
{
return -ENOTSUP;
struct impl *this;
struct spa_pod *param;
struct spa_pod_builder b = { 0 };
uint8_t buffer[1024];
spa_return_val_if_fail(node != NULL, -EINVAL);
spa_return_val_if_fail(index != NULL, -EINVAL);
spa_return_val_if_fail(builder != NULL, -EINVAL);
this = SPA_CONTAINER_OF(node, struct impl, node);
next:
spa_pod_builder_init(&b, buffer, sizeof(buffer));
switch (id) {
case SPA_PARAM_List:
{
uint32_t list[] = { SPA_PARAM_PropInfo,
SPA_PARAM_Props };
if (*index < SPA_N_ELEMENTS(list))
param = spa_pod_builder_object(&b,
SPA_TYPE_OBJECT_ParamList, id,
SPA_PARAM_LIST_id, &SPA_POD_Id(list[*index]),
0);
else
return 0;
break;
}
case SPA_PARAM_PropInfo:
{
struct props *p = &this->props;
switch (*index) {
case 0:
param = spa_pod_builder_object(&b,
SPA_TYPE_OBJECT_PropInfo, id,
SPA_PROP_INFO_id, &SPA_POD_Id(SPA_PROP_volume),
SPA_PROP_INFO_name, &SPA_POD_Stringc("Volume"),
SPA_PROP_INFO_type, &SPA_POD_CHOICE_RANGE_Float(p->volume, 0.0, 10.0),
0);
break;
case 1:
param = spa_pod_builder_object(&b,
SPA_TYPE_OBJECT_PropInfo, id,
SPA_PROP_INFO_id, &SPA_POD_Id(SPA_PROP_mute),
SPA_PROP_INFO_name, &SPA_POD_Stringc("Mute"),
SPA_PROP_INFO_type, &SPA_POD_Bool(p->mute),
0);
break;
default:
return 0;
}
break;
}
case SPA_PARAM_Props:
{
struct props *p = &this->props;
switch (*index) {
case 0:
param = spa_pod_builder_object(&b,
SPA_TYPE_OBJECT_Props, id,
SPA_PROP_volume, &SPA_POD_Float(p->volume),
SPA_PROP_mute, &SPA_POD_Bool(p->mute),
0);
break;
default:
return 0;
}
break;
}
default:
return -ENOENT;
}
(*index)++;
if (spa_pod_filter(builder, result, param, filter) < 0)
goto next;
return 1;
}
static int apply_props(struct impl *this, const struct spa_pod *param)
@ -424,16 +505,12 @@ static int apply_props(struct impl *this, const struct spa_pod *param)
struct props *p = &this->props;
SPA_POD_OBJECT_FOREACH(obj, prop) {
float volume;
bool mute;
switch (prop->key) {
case SPA_PROP_volume:
volume = SPA_POD_VALUE(struct spa_pod_float, &prop->value);
p->volume = volume;
p->volume = SPA_POD_VALUE(struct spa_pod_float, &prop->value);
break;
case SPA_PROP_mute:
mute = SPA_POD_VALUE(struct spa_pod_bool, &prop->value);
p->mute = mute;
p->mute = SPA_POD_VALUE(struct spa_pod_bool, &prop->value);
break;
default:
break;