system/pipewire
system/pipewire
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/pipewire/pipewire synced 2024-09-19 16:01:45 +00:00
Code Issues Packages Projects Releases Wiki Activity

audioconvert: listen for merger and channelmix for params

Browse source 
List all the params of the merger and resampler.
This commit is contained in:
Wim Taymans 2021-12-02 11:30:18 +01:00
parent 5d85e85ba7
commit 401e56699d
1 changed files with 42 additions and 11 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

49
spa/plugins/audioconvert/audioconvert.c
View file

@ -451,6 +451,33 @@ static int setup_buffers(struct impl *this, enum spa_direction direction)
return 0;
}
static int enum_params(struct impl *this,
uint32_t id,
struct spa_result_node_params *result,
const struct spa_pod *filter,
struct spa_pod_builder *builder)
{
int res;
result->param = NULL;
result->next = result->index;
if (result->next < 0x1000) {
if (this->fmt[SPA_DIRECTION_INPUT] == this->merger &&
(res = spa_node_enum_params_sync(this->merger,
id, &result->next, filter, &result->param, builder)) == 1) {
return res;
}
result->next = 0x1000;
}
if (result->next >= 0x1000) {
result->next &= 0xfff;
if ((res = spa_node_enum_params_sync(this->channelmix,
id, &result->next, filter, &result->param, builder)) == 1) {
result->next |= 0x1000;
return res;
}
}
return 0;
}
static int impl_node_enum_params(void *object, int seq,
uint32_t id, uint32_t start, uint32_t num,
const struct spa_pod *filter)
@ -461,6 +488,7 @@ static int impl_node_enum_params(void *object, int seq,
uint8_t buffer[1024];
struct spa_result_node_params result;
uint32_t count = 0;
int res;
spa_return_val_if_fail(this != NULL, -EINVAL);
spa_return_val_if_fail(num != 0, -EINVAL);
@ -468,6 +496,7 @@ static int impl_node_enum_params(void *object, int seq,
result.id = id;
result.next = start;
next:
res = 0;
result.index = result.next++;
spa_pod_builder_init(&b, buffer, sizeof(buffer));
@ -524,21 +553,23 @@ static int impl_node_enum_params(void *object, int seq,
break;
case SPA_PARAM_PropInfo:
return spa_node_enum_params(this->channelmix, seq, id, start, num, filter);
if ((res = enum_params(this, id, &result, filter, &b)) != 1)
return res;
break;
case SPA_PARAM_Props:
if (this->fmt[SPA_DIRECTION_INPUT] == this->merger)
return spa_node_enum_params(this->merger, seq, id, start, num, filter);
else
return spa_node_enum_params(this->channelmix, seq, id, start, num, filter);
if ((res = enum_params(this, id, &result, filter, &b)) != 1)
return res;
break;
default:
return -ENOENT;
}
if (res == 0) {
if (spa_pod_filter(&b, &result.param, param, filter) < 0)
goto next;
}
spa_node_emit_result(&this->hooks, seq, 0, SPA_RESULT_TYPE_NODE_PARAMS, &result);
if (++count != num)
@ -665,7 +696,7 @@ static const struct spa_node_events channelmix_events = {
.result = on_node_result,
};
static const struct spa_node_events resample_events = {
static const struct spa_node_events proxy_events = {
SPA_VERSION_NODE_EVENTS,
.result = on_node_result,
};
@ -1378,8 +1409,8 @@ impl_init(const struct spa_handle_factory *factory,
spa_node_add_listener(this->channelmix,
&this->listener[0], &channelmix_events, this);
spa_node_add_listener(this->resample,
&this->listener[1], &resample_events, this);
spa_node_add_listener(this->merger,
&this->listener[1], &proxy_events, this);
return 0;
}