mirrors/pipewire
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/pipewire/pipewire.git synced 2025-10-31 22:25:38 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

device: improve callbacks

Browse source 
Pass info structures to device callbacks to make it more extensible.
Also notify about the supported params on the device because we
can.
This commit is contained in:
Wim Taymans 2019-02-13 11:13:46 +01:00
parent 5de7898808
commit ac5ec9bbe2
7 changed files with 135 additions and 64 deletions
Download patch file Download diff file Expand all files Collapse all files

27
spa/plugins/v4l2/v4l2-device.c
View file

@ -73,27 +73,40 @@ static int emit_info(struct impl *this)
{
int res;
struct spa_dict_item items[6];
struct spa_dict dict;
struct spa_device_info info;
uint32_t params[] = { SPA_PARAM_EnumProfile, SPA_PARAM_Profile };
if ((res = spa_v4l2_open(&this->dev, this->props.device)) < 0)
return res;
info = SPA_DEVICE_INFO_INIT();
info.change_mask = SPA_DEVICE_CHANGE_MASK_INFO | SPA_DEVICE_CHANGE_MASK_PARAMS;
items[0] = SPA_DICT_ITEM_INIT("device.api", "v4l2");
items[1] = SPA_DICT_ITEM_INIT("device.path", (char *)this->props.device);
items[2] = SPA_DICT_ITEM_INIT("media.class", "Video/Device");
items[3] = SPA_DICT_ITEM_INIT("v4l2.driver", (char *)this->dev.cap.driver);
items[4] = SPA_DICT_ITEM_INIT("v4l2.card", (char *)this->dev.cap.card);
items[5] = SPA_DICT_ITEM_INIT("v4l2.bus", (char *)this->dev.cap.bus_info);
dict = SPA_DICT_INIT(items, 6);
info.info = &SPA_DICT_INIT(items, 6);
info.n_params = SPA_N_ELEMENTS(params);
info.params = params;
if (this->callbacks->info)
this->callbacks->info(this->callbacks_data, &dict);
this->callbacks->info(this->callbacks_data, &info);
if (this->callbacks->object_info) {
if (this->callbacks->add) {
if (spa_v4l2_is_capture(&this->dev)) {
this->callbacks->add(this->callbacks_data, 0,
&spa_v4l2_source_factory,
SPA_TYPE_INTERFACE_Node, &dict);
struct spa_device_object_info oinfo;
oinfo = SPA_DEVICE_OBJECT_INFO_INIT();
oinfo.type = SPA_TYPE_INTERFACE_Node;
oinfo.factory = &spa_v4l2_source_factory;
oinfo.change_mask = SPA_DEVICE_OBJECT_CHANGE_MASK_INFO;
oinfo.info = &SPA_DICT_INIT(items, 6);
this->callbacks->object_info(this->callbacks_data, 0, &oinfo);
}
}