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device: add device object

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Make a device object, let the v4l2 monitor create device objects
The device object is responsible for dynamically creating nodes.
This commit is contained in:
Wim Taymans 2018-11-23 12:43:47 +01:00
parent 79253c6d46
commit e1bd12e599
43 changed files with 1784 additions and 237 deletions
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188
src/modules/module-protocol-native/protocol-native.c
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@ -593,6 +593,160 @@ static int module_demarshal_info(void *object, void *data, size_t size)
return 0;
}
static void device_marshal_info(void *object, struct pw_device_info *info)
{
struct pw_resource *resource = object;
struct spa_pod_builder *b;
uint32_t i, n_items;
b = pw_protocol_native_begin_resource(resource, PW_DEVICE_PROXY_EVENT_INFO);
n_items = info->props ? info->props->n_items : 0;
spa_pod_builder_add(b,
"[",
"i", info->id,
"l", info->change_mask,
"i", n_items, NULL);
for (i = 0; i < n_items; i++) {
spa_pod_builder_add(b,
"s", info->props->items[i].key,
"s", info->props->items[i].value, NULL);
}
spa_pod_builder_add(b, "]", NULL);
pw_protocol_native_end_resource(resource, b);
}
static int device_demarshal_info(void *object, void *data, size_t size)
{
struct pw_proxy *proxy = object;
struct spa_pod_parser prs;
struct spa_dict props;
struct pw_device_info info;
uint32_t i;
spa_pod_parser_init(&prs, data, size, 0);
if (spa_pod_parser_get(&prs,
"["
"i", &info.id,
"l", &info.change_mask,
"i", &props.n_items, NULL) < 0)
return -EINVAL;
info.props = &props;
props.items = alloca(props.n_items * sizeof(struct spa_dict_item));
for (i = 0; i < props.n_items; i++) {
if (spa_pod_parser_get(&prs, "ss",
&props.items[i].key, &props.items[i].value, NULL) < 0)
return -EINVAL;
}
pw_proxy_notify(proxy, struct pw_device_proxy_events, info, 0, &info);
return 0;
}
static void device_marshal_param(void *object, uint32_t id, uint32_t index, uint32_t next,
const struct spa_pod *param)
{
struct pw_resource *resource = object;
struct spa_pod_builder *b;
b = pw_protocol_native_begin_resource(resource, PW_DEVICE_PROXY_EVENT_PARAM);
spa_pod_builder_add_struct(b, "I", id, "i", index, "i", next, "P", param);
pw_protocol_native_end_resource(resource, b);
}
static int device_demarshal_param(void *object, void *data, size_t size)
{
struct pw_proxy *proxy = object;
struct spa_pod_parser prs;
uint32_t id, index, next;
struct spa_pod *param;
spa_pod_parser_init(&prs, data, size, 0);
if (spa_pod_parser_get(&prs,
"[ I", &id,
"i", &index,
"i", &next,
"P", &param, NULL) < 0)
return -EINVAL;
pw_proxy_notify(proxy, struct pw_device_proxy_events, param, 0, id, index, next, param);
return 0;
}
static void device_marshal_enum_params(void *object, uint32_t id, uint32_t index, uint32_t num,
const struct spa_pod *filter)
{
struct pw_proxy *proxy = object;
struct spa_pod_builder *b;
b = pw_protocol_native_begin_proxy(proxy, PW_DEVICE_PROXY_METHOD_ENUM_PARAMS);
spa_pod_builder_add_struct(b,
"I", id,
"i", index,
"i", num,
"P", filter);
pw_protocol_native_end_proxy(proxy, b);
}
static int device_demarshal_enum_params(void *object, void *data, size_t size)
{
struct pw_resource *resource = object;
struct spa_pod_parser prs;
uint32_t id, index, num;
struct spa_pod *filter;
spa_pod_parser_init(&prs, data, size, 0);
if (spa_pod_parser_get(&prs,
"[ I", &id,
"i", &index,
"i", &num,
"P", &filter, NULL) < 0)
return -EINVAL;
pw_resource_do(resource, struct pw_device_proxy_methods, enum_params, 0, id, index, num, filter);
return 0;
}
static void device_marshal_set_param(void *object, uint32_t id, uint32_t flags,
const struct spa_pod *param)
{
struct pw_proxy *proxy = object;
struct spa_pod_builder *b;
b = pw_protocol_native_begin_proxy(proxy, PW_DEVICE_PROXY_METHOD_SET_PARAM);
spa_pod_builder_add_struct(b,
"I", id,
"i", flags,
"P", param);
pw_protocol_native_end_proxy(proxy, b);
}
static int device_demarshal_set_param(void *object, void *data, size_t size)
{
struct pw_resource *resource = object;
struct spa_pod_parser prs;
uint32_t id, flags;
struct spa_pod *param;
spa_pod_parser_init(&prs, data, size, 0);
if (spa_pod_parser_get(&prs,
"[ I", &id,
"i", &flags,
"P", &param, NULL) < 0)
return -EINVAL;
pw_resource_do(resource, struct pw_device_proxy_methods, set_param, 0, id, flags, param);
return 0;
}
static void factory_marshal_info(void *object, struct pw_factory_info *info)
{
struct pw_resource *resource = object;
@ -1436,6 +1590,39 @@ const struct pw_protocol_marshal pw_protocol_native_factory_marshal = {
PW_FACTORY_PROXY_EVENT_NUM,
};
static const struct pw_device_proxy_methods pw_protocol_native_device_method_marshal = {
PW_VERSION_DEVICE_PROXY_METHODS,
&device_marshal_enum_params,
&device_marshal_set_param,
};
static const struct pw_protocol_native_demarshal pw_protocol_native_device_method_demarshal[] = {
{ &device_demarshal_enum_params, 0, },
{ &device_demarshal_set_param, PW_PERM_W, },
};
static const struct pw_device_proxy_events pw_protocol_native_device_event_marshal = {
PW_VERSION_DEVICE_PROXY_EVENTS,
&device_marshal_info,
&device_marshal_param,
};
static const struct pw_protocol_native_demarshal pw_protocol_native_device_event_demarshal[] = {
{ &device_demarshal_info, 0, },
{ &device_demarshal_param, 0, }
};
static const struct pw_protocol_marshal pw_protocol_native_device_marshal = {
PW_TYPE_INTERFACE_Device,
PW_VERSION_DEVICE,
&pw_protocol_native_device_method_marshal,
pw_protocol_native_device_method_demarshal,
PW_DEVICE_PROXY_METHOD_NUM,
&pw_protocol_native_device_event_marshal,
pw_protocol_native_device_event_demarshal,
PW_DEVICE_PROXY_EVENT_NUM,
};
static const struct pw_node_proxy_methods pw_protocol_native_node_method_marshal = {
PW_VERSION_NODE_PROXY_METHODS,
&node_marshal_enum_params,
@ -1561,6 +1748,7 @@ void pw_protocol_native_init(struct pw_protocol *protocol)
pw_protocol_add_marshal(protocol, &pw_protocol_native_core_marshal);
pw_protocol_add_marshal(protocol, &pw_protocol_native_registry_marshal);
pw_protocol_add_marshal(protocol, &pw_protocol_native_module_marshal);
pw_protocol_add_marshal(protocol, &pw_protocol_native_device_marshal);
pw_protocol_add_marshal(protocol, &pw_protocol_native_node_marshal);
pw_protocol_add_marshal(protocol, &pw_protocol_native_port_marshal);
pw_protocol_add_marshal(protocol, &pw_protocol_native_factory_marshal);