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Diffstat (limited to '')
| -rw-r--r-- | src/modules/module-client-node/v0/protocol-native.c | 534 |
1 files changed, 534 insertions, 0 deletions
diff --git a/src/modules/module-client-node/v0/protocol-native.c b/src/modules/module-client-node/v0/protocol-native.c new file mode 100644 index 0000000..86d8fe9 --- /dev/null +++ b/src/modules/module-client-node/v0/protocol-native.c @@ -0,0 +1,534 @@ +/* PipeWire + * + * Copyright © 2017 Wim Taymans <wim.taymans@gmail.com> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#include <errno.h> + +#include <spa/pod/parser.h> +#include <spa/pod/builder.h> +#include <spa/utils/type-info.h> + +#include "pipewire/impl.h" + +#include "pipewire/extensions/protocol-native.h" + +#include "ext-client-node.h" + +#include "transport.h" + +#define PW_PROTOCOL_NATIVE_FLAG_REMAP (1<<0) + +extern uint32_t pw_protocol_native0_find_type(struct pw_impl_client *client, const char *type); +extern int pw_protocol_native0_pod_to_v2(struct pw_impl_client *client, const struct spa_pod *pod, + struct spa_pod_builder *b); +extern struct spa_pod * pw_protocol_native0_pod_from_v2(struct pw_impl_client *client, + const struct spa_pod *pod); +extern uint32_t pw_protocol_native0_type_to_v2(struct pw_impl_client *client, + const struct spa_type_info *info, uint32_t type); + +static void +client_node_marshal_add_mem(void *data, + uint32_t mem_id, + uint32_t type, + int memfd, uint32_t flags) +{ + struct pw_resource *resource = data; + struct pw_impl_client *client = pw_resource_get_client(resource); + struct spa_pod_builder *b; + const char *typename; + + switch (type) { + case SPA_DATA_MemFd: + typename = "Spa:Enum:DataType:Fd:MemFd"; + break; + case SPA_DATA_DmaBuf: + typename = "Spa:Enum:DataType:Fd:DmaBuf"; + break; + default: + case SPA_DATA_MemPtr: + return; + + } + b = pw_protocol_native_begin_resource(resource, PW_CLIENT_NODE0_EVENT_ADD_MEM, NULL); + + spa_pod_builder_add_struct(b, + "i", mem_id, + "I", pw_protocol_native0_find_type(client, typename), + "i", pw_protocol_native_add_resource_fd(resource, memfd), + "i", flags); + + pw_protocol_native_end_resource(resource, b); +} + +static void client_node_marshal_transport(void *data, uint32_t node_id, int readfd, int writefd, + struct pw_client_node0_transport *transport) +{ + struct pw_resource *resource = data; + struct spa_pod_builder *b; + struct pw_client_node0_transport_info info; + + pw_client_node0_transport_get_info(transport, &info); + + b = pw_protocol_native_begin_resource(resource, PW_CLIENT_NODE0_EVENT_TRANSPORT, NULL); + + spa_pod_builder_add_struct(b, + "i", node_id, + "i", pw_protocol_native_add_resource_fd(resource, readfd), + "i", pw_protocol_native_add_resource_fd(resource, writefd), + "i", pw_protocol_native_add_resource_fd(resource, info.memfd), + "i", info.offset, + "i", info.size); + + pw_protocol_native_end_resource(resource, b); +} + +static void +client_node_marshal_set_param(void *data, uint32_t seq, uint32_t id, uint32_t flags, + const struct spa_pod *param) +{ + struct pw_resource *resource = data; + struct spa_pod_builder *b; + + b = pw_protocol_native_begin_resource(resource, PW_CLIENT_NODE0_EVENT_SET_PARAM, NULL); + + spa_pod_builder_add_struct(b, + "i", seq, + "I", id, + "i", flags, + "P", param); + + pw_protocol_native_end_resource(resource, b); +} + +static void client_node_marshal_event_event(void *data, const struct spa_event *event) +{ + struct pw_resource *resource = data; + struct spa_pod_builder *b; + + b = pw_protocol_native_begin_resource(resource, PW_CLIENT_NODE0_EVENT_EVENT, NULL); + + spa_pod_builder_add_struct(b, "P", event); + + pw_protocol_native_end_resource(resource, b); +} + +static void +client_node_marshal_command(void *data, uint32_t seq, const struct spa_command *command) +{ + struct pw_resource *resource = data; + struct pw_impl_client *client = pw_resource_get_client(resource); + struct spa_pod_builder *b; + struct spa_pod_frame f; + + b = pw_protocol_native_begin_resource(resource, PW_CLIENT_NODE0_EVENT_COMMAND, NULL); + + spa_pod_builder_push_struct(b, &f); + spa_pod_builder_add(b, "i", seq, NULL); + if (SPA_COMMAND_TYPE(command) == 0) + spa_pod_builder_add(b, "P", command, NULL); + else + pw_protocol_native0_pod_to_v2(client, (struct spa_pod *)command, b); + spa_pod_builder_pop(b, &f); + + pw_protocol_native_end_resource(resource, b); +} + +static void +client_node_marshal_add_port(void *data, + uint32_t seq, enum spa_direction direction, uint32_t port_id) +{ + struct pw_resource *resource = data; + struct spa_pod_builder *b; + + b = pw_protocol_native_begin_resource(resource, PW_CLIENT_NODE0_EVENT_ADD_PORT, NULL); + + spa_pod_builder_add_struct(b, + "i", seq, + "i", direction, + "i", port_id); + + pw_protocol_native_end_resource(resource, b); +} + +static void +client_node_marshal_remove_port(void *data, + uint32_t seq, enum spa_direction direction, uint32_t port_id) +{ + struct pw_resource *resource = data; + struct spa_pod_builder *b; + + b = pw_protocol_native_begin_resource(resource, PW_CLIENT_NODE0_EVENT_REMOVE_PORT, NULL); + + spa_pod_builder_add_struct(b, + "i", seq, + "i", direction, + "i", port_id); + + pw_protocol_native_end_resource(resource, b); +} + +static void +client_node_marshal_port_set_param(void *data, + uint32_t seq, + enum spa_direction direction, + uint32_t port_id, + uint32_t id, + uint32_t flags, + const struct spa_pod *param) +{ + struct pw_resource *resource = data; + struct pw_impl_client *client = pw_resource_get_client(resource); + struct spa_pod_builder *b; + struct spa_pod_frame f; + const char *typename; + + b = pw_protocol_native_begin_resource(resource, PW_CLIENT_NODE0_EVENT_PORT_SET_PARAM, NULL); + + switch (id) { + case SPA_PARAM_Props: + typename = "Spa:Enum:ParamId:Props"; + break; + case SPA_PARAM_Format: + typename = "Spa:Enum:ParamId:Format"; + break; + default: + return; + } + + spa_pod_builder_push_struct(b, &f); + spa_pod_builder_add(b, + "i", seq, + "i", direction, + "i", port_id, + "I", pw_protocol_native0_find_type(client, typename), + "i", flags, NULL); + pw_protocol_native0_pod_to_v2(client, param, b); + spa_pod_builder_pop(b, &f); + + pw_protocol_native_end_resource(resource, b); +} + +static void +client_node_marshal_port_use_buffers(void *data, + uint32_t seq, + enum spa_direction direction, + uint32_t port_id, + uint32_t n_buffers, struct pw_client_node0_buffer *buffers) +{ + struct pw_resource *resource = data; + struct pw_impl_client *client = pw_resource_get_client(resource); + struct spa_pod_builder *b; + struct spa_pod_frame f; + uint32_t i, j; + + b = pw_protocol_native_begin_resource(resource, PW_CLIENT_NODE0_EVENT_PORT_USE_BUFFERS, NULL); + + spa_pod_builder_push_struct(b, &f); + spa_pod_builder_add(b, + "i", seq, + "i", direction, + "i", port_id, + "i", n_buffers, NULL); + + for (i = 0; i < n_buffers; i++) { + struct spa_buffer *buf = buffers[i].buffer; + + spa_pod_builder_add(b, + "i", buffers[i].mem_id, + "i", buffers[i].offset, + "i", buffers[i].size, + "i", i, + "i", buf->n_metas, NULL); + + for (j = 0; j < buf->n_metas; j++) { + struct spa_meta *m = &buf->metas[j]; + spa_pod_builder_add(b, + "I", pw_protocol_native0_type_to_v2(client, spa_type_meta_type, m->type), + "i", m->size, NULL); + } + spa_pod_builder_add(b, "i", buf->n_datas, NULL); + for (j = 0; j < buf->n_datas; j++) { + struct spa_data *d = &buf->datas[j]; + spa_pod_builder_add(b, + "I", pw_protocol_native0_type_to_v2(client, spa_type_data_type, d->type), + "i", SPA_PTR_TO_UINT32(d->data), + "i", d->flags, + "i", d->mapoffset, + "i", d->maxsize, NULL); + } + } + spa_pod_builder_pop(b, &f); + + pw_protocol_native_end_resource(resource, b); +} + +static void +client_node_marshal_port_command(void *data, + uint32_t direction, + uint32_t port_id, + const struct spa_command *command) +{ + struct pw_resource *resource = data; + struct pw_impl_client *client = pw_resource_get_client(resource); + struct spa_pod_builder *b; + struct spa_pod_frame f; + + b = pw_protocol_native_begin_resource(resource, PW_CLIENT_NODE0_EVENT_PORT_COMMAND, NULL); + + spa_pod_builder_push_struct(b, &f); + spa_pod_builder_add(b, + "i", direction, + "i", port_id, NULL); + pw_protocol_native0_pod_to_v2(client, (struct spa_pod *)command, b); + spa_pod_builder_pop(b, &f); + + pw_protocol_native_end_resource(resource, b); +} + +static void +client_node_marshal_port_set_io(void *data, + uint32_t seq, + uint32_t direction, + uint32_t port_id, + uint32_t id, + uint32_t memid, + uint32_t offset, + uint32_t size) +{ + struct pw_resource *resource = data; + struct spa_pod_builder *b; + + b = pw_protocol_native_begin_resource(resource, PW_CLIENT_NODE0_EVENT_PORT_SET_IO, NULL); + + spa_pod_builder_add_struct(b, + "i", seq, + "i", direction, + "i", port_id, + "I", id, + "i", memid, + "i", offset, + "i", size); + + pw_protocol_native_end_resource(resource, b); +} + + +static int client_node_demarshal_done(void *object, const struct pw_protocol_native_message *msg) +{ + struct pw_resource *resource = object; + struct spa_pod_parser prs; + uint32_t seq, res; + + spa_pod_parser_init(&prs, msg->data, msg->size); + if (spa_pod_parser_get_struct(&prs, + "i", &seq, + "i", &res) < 0) + return -EINVAL; + + return pw_resource_notify(resource, struct pw_client_node0_methods, done, 0, seq, res); +} + +static int client_node_demarshal_update(void *object, const struct pw_protocol_native_message *msg) +{ + struct pw_resource *resource = object; + struct spa_pod_parser prs; + struct spa_pod_frame f; + uint32_t change_mask, max_input_ports, max_output_ports, n_params; + const struct spa_pod **params; + uint32_t i; + + spa_pod_parser_init(&prs, msg->data, msg->size); + if (spa_pod_parser_push_struct(&prs, &f) < 0 || + spa_pod_parser_get(&prs, + "i", &change_mask, + "i", &max_input_ports, + "i", &max_output_ports, + "i", &n_params, NULL) < 0) + return -EINVAL; + + params = alloca(n_params * sizeof(struct spa_pod *)); + for (i = 0; i < n_params; i++) + if (spa_pod_parser_get(&prs, "O", ¶ms[i], NULL) < 0) + return -EINVAL; + + return pw_resource_notify(resource, struct pw_client_node0_methods, update, 0, change_mask, + max_input_ports, + max_output_ports, + n_params, + params); +} + +static int client_node_demarshal_port_update(void *object, const struct pw_protocol_native_message *msg) +{ + struct pw_resource *resource = object; + struct spa_pod_parser prs; + struct spa_pod_frame f[2]; + uint32_t i, direction, port_id, change_mask, n_params; + const struct spa_pod **params = NULL; + struct spa_port_info info = { 0 }, *infop = NULL; + struct spa_dict props; + + spa_pod_parser_init(&prs, msg->data, msg->size); + if (spa_pod_parser_push_struct(&prs, &f[0]) < 0 || + spa_pod_parser_get(&prs, + "i", &direction, + "i", &port_id, + "i", &change_mask, + "i", &n_params, NULL) < 0) + return -EINVAL; + + params = alloca(n_params * sizeof(struct spa_pod *)); + for (i = 0; i < n_params; i++) + if (spa_pod_parser_get(&prs, "O", ¶ms[i], NULL) < 0) + return -EINVAL; + + + if (spa_pod_parser_push_struct(&prs, &f[1]) >= 0) { + infop = &info; + + if (spa_pod_parser_get(&prs, + "i", &info.flags, + "i", &info.rate, + "i", &props.n_items, NULL) < 0) + return -EINVAL; + + if (props.n_items > 0) { + 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, + "s", &props.items[i].key, + "s", &props.items[i].value, + NULL) < 0) + return -EINVAL; + } + } + } + + return pw_resource_notify(resource, struct pw_client_node0_methods, port_update, 0, direction, + port_id, + change_mask, + n_params, + params, infop); +} + +static int client_node_demarshal_set_active(void *object, const struct pw_protocol_native_message *msg) +{ + struct pw_resource *resource = object; + struct spa_pod_parser prs; + int active; + + spa_pod_parser_init(&prs, msg->data, msg->size); + if (spa_pod_parser_get_struct(&prs, + "b", &active) < 0) + return -EINVAL; + + return pw_resource_notify(resource, struct pw_client_node0_methods, set_active, 0, active); +} + +static int client_node_demarshal_event_method(void *object, const struct pw_protocol_native_message *msg) +{ + struct pw_resource *resource = object; + struct pw_impl_client *client = pw_resource_get_client(resource); + struct spa_pod_parser prs; + struct spa_event *event; + int res; + + spa_pod_parser_init(&prs, msg->data, msg->size); + if (spa_pod_parser_get_struct(&prs, + "O", &event) < 0) + return -EINVAL; + + event = (struct spa_event*)pw_protocol_native0_pod_from_v2(client, (struct spa_pod *)event); + + res = pw_resource_notify(resource, struct pw_client_node0_methods, event, 0, event); + free(event); + + return res; +} + +static int client_node_demarshal_destroy(void *object, const struct pw_protocol_native_message *msg) +{ + struct pw_resource *resource = object; + struct spa_pod_parser prs; + int res; + + spa_pod_parser_init(&prs, msg->data, msg->size); + if (spa_pod_parser_get_struct(&prs, NULL) < 0) + return -EINVAL; + + res = pw_resource_notify(resource, struct pw_client_node0_methods, destroy, 0); + pw_resource_destroy(resource); + return res; +} + +static const struct pw_protocol_native_demarshal pw_protocol_native_client_node_method_demarshal[] = { + { &client_node_demarshal_done, 0, 0 }, + { &client_node_demarshal_update, 0, PW_PROTOCOL_NATIVE_FLAG_REMAP }, + { &client_node_demarshal_port_update, 0, PW_PROTOCOL_NATIVE_FLAG_REMAP }, + { &client_node_demarshal_set_active, 0, 0 }, + { &client_node_demarshal_event_method, 0, PW_PROTOCOL_NATIVE_FLAG_REMAP }, + { &client_node_demarshal_destroy, 0, 0 }, +}; + +static const struct pw_client_node0_events pw_protocol_native_client_node_event_marshal = { + PW_VERSION_CLIENT_NODE0_EVENTS, + &client_node_marshal_add_mem, + &client_node_marshal_transport, + &client_node_marshal_set_param, + &client_node_marshal_event_event, + &client_node_marshal_command, + &client_node_marshal_add_port, + &client_node_marshal_remove_port, + &client_node_marshal_port_set_param, + &client_node_marshal_port_use_buffers, + &client_node_marshal_port_command, + &client_node_marshal_port_set_io, +}; + +static const struct pw_protocol_marshal pw_protocol_native_client_node_marshal = { + PW_TYPE_INTERFACE_ClientNode, + PW_VERSION_CLIENT_NODE0, + PW_CLIENT_NODE0_METHOD_NUM, + PW_CLIENT_NODE0_EVENT_NUM, + 0, + NULL, + .server_demarshal = &pw_protocol_native_client_node_method_demarshal, + .server_marshal = &pw_protocol_native_client_node_event_marshal, + NULL, +}; + +struct pw_protocol *pw_protocol_native_ext_client_node0_init(struct pw_context *context) +{ + struct pw_protocol *protocol; + + protocol = pw_context_find_protocol(context, PW_TYPE_INFO_PROTOCOL_Native); + + if (protocol == NULL) + return NULL; + + pw_protocol_add_marshal(protocol, &pw_protocol_native_client_node_marshal); + + return protocol; +} |