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spa: improve object properties

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This commit is contained in:
Wim Taymans 2019-10-01 10:04:22 +02:00
parent dc83c10c9a
commit 82ee139f65
4 changed files with 37 additions and 12 deletions
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29
spa/plugins/v4l2/v4l2-device.c
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@ -71,10 +71,11 @@ struct impl {
static int emit_info(struct impl *this, bool full)
{
int res;
struct spa_dict_item items[6];
struct spa_dict_item items[10];
uint32_t n_items = 0;
struct spa_device_info info;
struct spa_param_info params[2];
char path[128], version[16], capabilities[16], device_caps[16];
if ((res = spa_v4l2_open(&this->dev, this->props.device)) < 0)
return res;
@ -82,12 +83,26 @@ static int emit_info(struct impl *this, bool full)
info = SPA_DEVICE_INFO_INIT();
info.change_mask = SPA_DEVICE_CHANGE_MASK_PROPS;
items[n_items++] = SPA_DICT_ITEM_INIT(SPA_KEY_MEDIA_CLASS, "Video/Device");
items[n_items++] = SPA_DICT_ITEM_INIT(SPA_KEY_DEVICE_API, "v4l2");
items[n_items++] = SPA_DICT_ITEM_INIT(SPA_KEY_API_V4L2_PATH, (char *)this->props.device);
items[n_items++] = SPA_DICT_ITEM_INIT(SPA_KEY_API_V4L2_CAP_DRIVER, (char *)this->dev.cap.driver);
items[n_items++] = SPA_DICT_ITEM_INIT(SPA_KEY_API_V4L2_CAP_CARD, (char *)this->dev.cap.card);
items[n_items++] = SPA_DICT_ITEM_INIT(SPA_KEY_API_V4L2_CAP_BUS_INFO, (char *)this->dev.cap.bus_info);
#define ADD_ITEM(key, value) items[n_items++] = SPA_DICT_ITEM_INIT(key, value)
snprintf(path, sizeof(path), "v4l2:%s", this->props.device);
ADD_ITEM(SPA_KEY_OBJECT_PATH, path);
ADD_ITEM(SPA_KEY_DEVICE_API, "v4l2");
ADD_ITEM(SPA_KEY_MEDIA_CLASS, "Video/Device");
ADD_ITEM(SPA_KEY_API_V4L2_PATH, (char *)this->props.device);
ADD_ITEM(SPA_KEY_API_V4L2_CAP_DRIVER, (char *)this->dev.cap.driver);
ADD_ITEM(SPA_KEY_API_V4L2_CAP_CARD, (char *)this->dev.cap.card);
ADD_ITEM(SPA_KEY_API_V4L2_CAP_BUS_INFO, (char *)this->dev.cap.bus_info);
snprintf(version, sizeof(version), "%u.%u.%u",
(this->dev.cap.version >> 16) & 0xFF,
(this->dev.cap.version >> 8) & 0xFF,
(this->dev.cap.version) & 0xFF);
ADD_ITEM(SPA_KEY_API_V4L2_CAP_VERSION, version);
snprintf(capabilities, sizeof(capabilities), "%08x", this->dev.cap.capabilities);
ADD_ITEM(SPA_KEY_API_V4L2_CAP_CAPABILITIES, capabilities);
snprintf(device_caps, sizeof(device_caps), "%08x", this->dev.cap.device_caps);
ADD_ITEM(SPA_KEY_API_V4L2_CAP_DEVICE_CAPS, device_caps);
#undef ADD_ITEM
info.props = &SPA_DICT_INIT(items, n_items);
info.change_mask |= SPA_DEVICE_CHANGE_MASK_PARAMS;