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This commit is contained in:
Wim Taymans 2017-07-11 15:57:20 +02:00
parent 847cef83b6
commit d1655196c3
130 changed files with 363 additions and 335 deletions
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1242
src/modules/module-client-node/client-node.c Normal file
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57
src/modules/module-client-node/client-node.h Normal file
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/* PipeWire
* Copyright (C) 2015 Wim Taymans <wim.taymans@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __PIPEWIRE_CLIENT_NODE_H__
#define __PIPEWIRE_CLIENT_NODE_H__
#include <pipewire/node.h>
#include <extensions/client-node.h>
#ifdef __cplusplus
extern "C" {
#endif
/** \class pw_client_node
*
* PipeWire client node interface
*/
struct pw_client_node {
struct pw_node *node;
struct pw_resource *resource;
PW_SIGNAL(destroy_signal, (struct pw_listener *listener, struct pw_client_node *node));
};
struct pw_client_node *
pw_client_node_new(struct pw_resource *resource,
const char *name,
struct pw_properties *properties);
void
pw_client_node_destroy(struct pw_client_node *node);
int
pw_client_node_get_fds(struct pw_client_node *node, int *readfd, int *writefd);
#ifdef __cplusplus
}
#endif
#endif /* __PIPEWIRE_CLIENT_NODE_H__ */

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src/modules/module-client-node/protocol-native.c Normal file
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/* PipeWire
* Copyright (C) 2017 Wim Taymans <wim.taymans@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <errno.h>
#include "spa/pod-iter.h"
#include "pipewire/pipewire.h"
#include "pipewire/interfaces.h"
#include "pipewire/protocol.h"
#include "pipewire/client.h"
#include "extensions/client-node.h"
#include "modules/module-protocol-native/connection.h"
/** \cond */
typedef bool(*demarshal_func_t) (void *object, void *data, size_t size);
/** \endcond */
static void
client_node_marshal_done(void *object, int seq, int res)
{
struct pw_proxy *proxy = object;
struct pw_connection *connection = proxy->remote->protocol_private;
struct spa_pod_builder *b;
struct spa_pod_frame f;
b = pw_connection_begin_write_proxy(connection, proxy, PW_CLIENT_NODE_METHOD_DONE);
spa_pod_builder_struct(b, &f,
SPA_POD_TYPE_INT, seq,
SPA_POD_TYPE_INT, res);
pw_connection_end_write(connection, b);
}
static void
client_node_marshal_update(void *object,
uint32_t change_mask,
uint32_t max_input_ports,
uint32_t max_output_ports, const struct spa_props *props)
{
struct pw_proxy *proxy = object;
struct pw_connection *connection = proxy->remote->protocol_private;
struct spa_pod_builder *b;
struct spa_pod_frame f;
b = pw_connection_begin_write_proxy(connection, proxy, PW_CLIENT_NODE_METHOD_UPDATE);
spa_pod_builder_struct(b, &f,
SPA_POD_TYPE_INT, change_mask,
SPA_POD_TYPE_INT, max_input_ports,
SPA_POD_TYPE_INT, max_output_ports, SPA_POD_TYPE_POD, props);
pw_connection_end_write(connection, b);
}
static void
client_node_marshal_port_update(void *object,
enum spa_direction direction,
uint32_t port_id,
uint32_t change_mask,
uint32_t n_possible_formats,
const struct spa_format **possible_formats,
const struct spa_format *format,
uint32_t n_params,
const struct spa_param **params, const struct spa_port_info *info)
{
struct pw_proxy *proxy = object;
struct pw_connection *connection = proxy->remote->protocol_private;
struct spa_pod_builder *b;
struct spa_pod_frame f[2];
int i;
b = pw_connection_begin_write_proxy(connection, proxy, PW_CLIENT_NODE_METHOD_PORT_UPDATE);
spa_pod_builder_add(b,
SPA_POD_TYPE_STRUCT, &f[0],
SPA_POD_TYPE_INT, direction,
SPA_POD_TYPE_INT, port_id,
SPA_POD_TYPE_INT, change_mask, SPA_POD_TYPE_INT, n_possible_formats, 0);
for (i = 0; i < n_possible_formats; i++)
spa_pod_builder_add(b, SPA_POD_TYPE_POD, possible_formats[i], 0);
spa_pod_builder_add(b, SPA_POD_TYPE_POD, format, SPA_POD_TYPE_INT, n_params, 0);
for (i = 0; i < n_params; i++) {
const struct spa_param *p = params[i];
spa_pod_builder_add(b, SPA_POD_TYPE_POD, p, 0);
}
if (info) {
spa_pod_builder_add(b,
SPA_POD_TYPE_STRUCT, &f[1],
SPA_POD_TYPE_INT, info->flags, SPA_POD_TYPE_INT, info->rate, 0);
spa_pod_builder_add(b, -SPA_POD_TYPE_STRUCT, &f[1], 0);
} else {
spa_pod_builder_add(b, SPA_POD_TYPE_POD, NULL, 0);
}
spa_pod_builder_add(b, -SPA_POD_TYPE_STRUCT, &f[0], 0);
pw_connection_end_write(connection, b);
}
static void client_node_marshal_event_method(void *object, struct spa_event *event)
{
struct pw_proxy *proxy = object;
struct pw_connection *connection = proxy->remote->protocol_private;
struct spa_pod_builder *b;
struct spa_pod_frame f;
b = pw_connection_begin_write_proxy(connection, proxy, PW_CLIENT_NODE_METHOD_EVENT);
spa_pod_builder_struct(b, &f, SPA_POD_TYPE_POD, event);
pw_connection_end_write(connection, b);
}
static void client_node_marshal_destroy(void *object)
{
struct pw_proxy *proxy = object;
struct pw_connection *connection = proxy->remote->protocol_private;
struct spa_pod_builder *b;
struct spa_pod_frame f;
b = pw_connection_begin_write_proxy(connection, proxy, PW_CLIENT_NODE_METHOD_DESTROY);
spa_pod_builder_struct(b, &f, 0);
pw_connection_end_write(connection, b);
}
static bool client_node_demarshal_set_props(void *object, void *data, size_t size)
{
struct pw_proxy *proxy = object;
struct spa_pod_iter it;
uint32_t seq;
const struct spa_props *props = NULL;
if (!spa_pod_iter_struct(&it, data, size) ||
!spa_pod_iter_get(&it,
SPA_POD_TYPE_INT, &seq,
-SPA_POD_TYPE_OBJECT, &props, 0))
return false;
((struct pw_client_node_events *) proxy->implementation)->set_props(proxy, seq, props);
return true;
}
static bool client_node_demarshal_event_event(void *object, void *data, size_t size)
{
struct pw_proxy *proxy = object;
struct spa_pod_iter it;
const struct spa_event *event;
if (!spa_pod_iter_struct(&it, data, size) ||
!pw_pod_remap_data(SPA_POD_TYPE_STRUCT, data, size, &proxy->remote->types) ||
!spa_pod_iter_get(&it, SPA_POD_TYPE_OBJECT, &event, 0))
return false;
((struct pw_client_node_events *) proxy->implementation)->event(proxy, event);
return true;
}
static bool client_node_demarshal_add_port(void *object, void *data, size_t size)
{
struct pw_proxy *proxy = object;
struct spa_pod_iter it;
int32_t seq, direction, port_id;
if (!spa_pod_iter_struct(&it, data, size) ||
!spa_pod_iter_get(&it,
SPA_POD_TYPE_INT, &seq,
SPA_POD_TYPE_INT, &direction, SPA_POD_TYPE_INT, &port_id, 0))
return false;
((struct pw_client_node_events *) proxy->implementation)->add_port(proxy, seq, direction,
port_id);
return true;
}
static bool client_node_demarshal_remove_port(void *object, void *data, size_t size)
{
struct pw_proxy *proxy = object;
struct spa_pod_iter it;
int32_t seq, direction, port_id;
if (!spa_pod_iter_struct(&it, data, size) ||
!spa_pod_iter_get(&it,
SPA_POD_TYPE_INT, &seq,
SPA_POD_TYPE_INT, &direction, SPA_POD_TYPE_INT, &port_id, 0))
return false;
((struct pw_client_node_events *) proxy->implementation)->remove_port(proxy, seq, direction,
port_id);
return true;
}
static bool client_node_demarshal_set_format(void *object, void *data, size_t size)
{
struct pw_proxy *proxy = object;
struct spa_pod_iter it;
uint32_t seq, direction, port_id, flags;
const struct spa_format *format = NULL;
if (!spa_pod_iter_struct(&it, data, size) ||
!pw_pod_remap_data(SPA_POD_TYPE_STRUCT, data, size, &proxy->remote->types) ||
!spa_pod_iter_get(&it,
SPA_POD_TYPE_INT, &seq,
SPA_POD_TYPE_INT, &direction,
SPA_POD_TYPE_INT, &port_id,
SPA_POD_TYPE_INT, &flags,
-SPA_POD_TYPE_OBJECT, &format, 0))
return false;
((struct pw_client_node_events *) proxy->implementation)->set_format(proxy, seq, direction,
port_id, flags,
format);
return true;
}
static bool client_node_demarshal_set_param(void *object, void *data, size_t size)
{
struct pw_proxy *proxy = object;
struct spa_pod_iter it;
uint32_t seq, direction, port_id;
const struct spa_param *param = NULL;
if (!spa_pod_iter_struct(&it, data, size) ||
!pw_pod_remap_data(SPA_POD_TYPE_STRUCT, data, size, &proxy->remote->types) ||
!spa_pod_iter_get(&it,
SPA_POD_TYPE_INT, &seq,
SPA_POD_TYPE_INT, &direction,
SPA_POD_TYPE_INT, &port_id,
-SPA_POD_TYPE_OBJECT, &param, 0))
return false;
((struct pw_client_node_events *) proxy->implementation)->set_param(proxy, seq, direction,
port_id, param);
return true;
}
static bool client_node_demarshal_add_mem(void *object, void *data, size_t size)
{
struct pw_proxy *proxy = object;
struct spa_pod_iter it;
struct pw_connection *connection = proxy->remote->protocol_private;
uint32_t direction, port_id, mem_id, type, memfd_idx, flags, offset, sz;
int memfd;
if (!spa_pod_iter_struct(&it, data, size) ||
!pw_pod_remap_data(SPA_POD_TYPE_STRUCT, data, size, &proxy->remote->types) ||
!spa_pod_iter_get(&it,
SPA_POD_TYPE_INT, &direction,
SPA_POD_TYPE_INT, &port_id,
SPA_POD_TYPE_INT, &mem_id,
SPA_POD_TYPE_ID, &type,
SPA_POD_TYPE_INT, &memfd_idx,
SPA_POD_TYPE_INT, &flags,
SPA_POD_TYPE_INT, &offset, SPA_POD_TYPE_INT, &sz, 0))
return false;
memfd = pw_connection_get_fd(connection, memfd_idx);
((struct pw_client_node_events *) proxy->implementation)->add_mem(proxy,
direction,
port_id,
mem_id,
type,
memfd, flags, offset, sz);
return true;
}
static bool client_node_demarshal_use_buffers(void *object, void *data, size_t size)
{
struct pw_proxy *proxy = object;
struct spa_pod_iter it;
uint32_t seq, direction, port_id, n_buffers, data_id;
struct pw_client_node_buffer *buffers;
int i, j;
if (!spa_pod_iter_struct(&it, data, size) ||
!pw_pod_remap_data(SPA_POD_TYPE_STRUCT, data, size, &proxy->remote->types) ||
!spa_pod_iter_get(&it,
SPA_POD_TYPE_INT, &seq,
SPA_POD_TYPE_INT, &direction,
SPA_POD_TYPE_INT, &port_id, SPA_POD_TYPE_INT, &n_buffers, 0))
return false;
buffers = alloca(sizeof(struct pw_client_node_buffer) * n_buffers);
for (i = 0; i < n_buffers; i++) {
struct spa_buffer *buf = buffers[i].buffer = alloca(sizeof(struct spa_buffer));
if (!spa_pod_iter_get(&it,
SPA_POD_TYPE_INT, &buffers[i].mem_id,
SPA_POD_TYPE_INT, &buffers[i].offset,
SPA_POD_TYPE_INT, &buffers[i].size,
SPA_POD_TYPE_INT, &buf->id,
SPA_POD_TYPE_INT, &buf->n_metas, 0))
return false;
buf->metas = alloca(sizeof(struct spa_meta) * buf->n_metas);
for (j = 0; j < buf->n_metas; j++) {
struct spa_meta *m = &buf->metas[j];
if (!spa_pod_iter_get(&it,
SPA_POD_TYPE_ID, &m->type,
SPA_POD_TYPE_INT, &m->size, 0))
return false;
}
if (!spa_pod_iter_get(&it, SPA_POD_TYPE_INT, &buf->n_datas, 0))
return false;
buf->datas = alloca(sizeof(struct spa_data) * buf->n_datas);
for (j = 0; j < buf->n_datas; j++) {
struct spa_data *d = &buf->datas[j];
if (!spa_pod_iter_get(&it,
SPA_POD_TYPE_ID, &d->type,
SPA_POD_TYPE_INT, &data_id,
SPA_POD_TYPE_INT, &d->flags,
SPA_POD_TYPE_INT, &d->mapoffset,
SPA_POD_TYPE_INT, &d->maxsize, 0))
return false;
d->data = SPA_UINT32_TO_PTR(data_id);
}
}
((struct pw_client_node_events *) proxy->implementation)->use_buffers(proxy,
seq,
direction,
port_id,
n_buffers, buffers);
return true;
}
static bool client_node_demarshal_node_command(void *object, void *data, size_t size)
{
struct pw_proxy *proxy = object;
struct spa_pod_iter it;
const struct spa_command *command;
uint32_t seq;
if (!spa_pod_iter_struct(&it, data, size) ||
!pw_pod_remap_data(SPA_POD_TYPE_STRUCT, data, size, &proxy->remote->types) ||
!spa_pod_iter_get(&it, SPA_POD_TYPE_INT, &seq, SPA_POD_TYPE_OBJECT, &command, 0))
return false;
((struct pw_client_node_events *) proxy->implementation)->node_command(proxy, seq, command);
return true;
}
static bool client_node_demarshal_port_command(void *object, void *data, size_t size)
{
struct pw_proxy *proxy = object;
struct spa_pod_iter it;
const struct spa_command *command;
uint32_t direction, port_id;
if (!spa_pod_iter_struct(&it, data, size) ||
!pw_pod_remap_data(SPA_POD_TYPE_STRUCT, data, size, &proxy->remote->types) ||
!spa_pod_iter_get(&it,
SPA_POD_TYPE_INT, &direction,
SPA_POD_TYPE_INT, &port_id,
SPA_POD_TYPE_OBJECT, &command, 0))
return false;
((struct pw_client_node_events *) proxy->implementation)->port_command(proxy,
direction,
port_id,
command);
return true;
}
static bool client_node_demarshal_transport(void *object, void *data, size_t size)
{
struct pw_proxy *proxy = object;
struct spa_pod_iter it;
struct pw_connection *connection = proxy->remote->protocol_private;
uint32_t node_id, ridx, widx, memfd_idx, offset, sz;
int readfd, writefd, memfd;
if (!spa_pod_iter_struct(&it, data, size) ||
!spa_pod_iter_get(&it,
SPA_POD_TYPE_INT, &node_id,
SPA_POD_TYPE_INT, &ridx,
SPA_POD_TYPE_INT, &widx,
SPA_POD_TYPE_INT, &memfd_idx,
SPA_POD_TYPE_INT, &offset,
SPA_POD_TYPE_INT, &sz, 0))
return false;
readfd = pw_connection_get_fd(connection, ridx);
writefd = pw_connection_get_fd(connection, widx);
memfd = pw_connection_get_fd(connection, memfd_idx);
if (readfd == -1 || writefd == -1 || memfd_idx == -1)
return false;
((struct pw_client_node_events *) proxy->implementation)->transport(proxy, node_id,
readfd, writefd,
memfd, offset, sz);
return true;
}
static void
client_node_marshal_set_props(void *object, uint32_t seq, const struct spa_props *props)
{
struct pw_resource *resource = object;
struct pw_connection *connection = resource->client->protocol_private;
struct spa_pod_builder *b;
struct spa_pod_frame f;
b = pw_connection_begin_write_resource(connection, resource, PW_CLIENT_NODE_EVENT_SET_PROPS);
spa_pod_builder_struct(b, &f,
SPA_POD_TYPE_INT, seq,
SPA_POD_TYPE_POD, props);
pw_connection_end_write(connection, b);
}
static void client_node_marshal_event_event(void *object, const struct spa_event *event)
{
struct pw_resource *resource = object;
struct pw_connection *connection = resource->client->protocol_private;
struct spa_pod_builder *b;
struct spa_pod_frame f;
b = pw_connection_begin_write_resource(connection, resource, PW_CLIENT_NODE_EVENT_EVENT);
spa_pod_builder_struct(b, &f, SPA_POD_TYPE_POD, event);
pw_connection_end_write(connection, b);
}
static void
client_node_marshal_add_port(void *object,
uint32_t seq, enum spa_direction direction, uint32_t port_id)
{
struct pw_resource *resource = object;
struct pw_connection *connection = resource->client->protocol_private;
struct spa_pod_builder *b;
struct spa_pod_frame f;
b = pw_connection_begin_write_resource(connection, resource, PW_CLIENT_NODE_EVENT_ADD_PORT);
spa_pod_builder_struct(b, &f,
SPA_POD_TYPE_INT, seq,
SPA_POD_TYPE_INT, direction, SPA_POD_TYPE_INT, port_id);
pw_connection_end_write(connection, b);
}
static void
client_node_marshal_remove_port(void *object,
uint32_t seq, enum spa_direction direction, uint32_t port_id)
{
struct pw_resource *resource = object;
struct pw_connection *connection = resource->client->protocol_private;
struct spa_pod_builder *b;
struct spa_pod_frame f;
b = pw_connection_begin_write_resource(connection, resource, PW_CLIENT_NODE_EVENT_REMOVE_PORT);
spa_pod_builder_struct(b, &f,
SPA_POD_TYPE_INT, seq,
SPA_POD_TYPE_INT, direction, SPA_POD_TYPE_INT, port_id);
pw_connection_end_write(connection, b);
}
static void
client_node_marshal_set_format(void *object,
uint32_t seq,
enum spa_direction direction,
uint32_t port_id,
uint32_t flags,
const struct spa_format *format)
{
struct pw_resource *resource = object;
struct pw_connection *connection = resource->client->protocol_private;
struct spa_pod_builder *b;
struct spa_pod_frame f;
b = pw_connection_begin_write_resource(connection, resource, PW_CLIENT_NODE_EVENT_SET_FORMAT);
spa_pod_builder_struct(b, &f,
SPA_POD_TYPE_INT, seq,
SPA_POD_TYPE_INT, direction,
SPA_POD_TYPE_INT, port_id,
SPA_POD_TYPE_INT, flags,
SPA_POD_TYPE_POD, format);
pw_connection_end_write(connection, b);
}
static void
client_node_marshal_set_param(void *object,
uint32_t seq,
enum spa_direction direction,
uint32_t port_id,
const struct spa_param *param)
{
struct pw_resource *resource = object;
struct pw_connection *connection = resource->client->protocol_private;
struct spa_pod_builder *b;
struct spa_pod_frame f;
b = pw_connection_begin_write_resource(connection, resource, PW_CLIENT_NODE_EVENT_SET_PARAM);
spa_pod_builder_struct(b, &f,
SPA_POD_TYPE_INT, seq,
SPA_POD_TYPE_INT, direction,
SPA_POD_TYPE_INT, port_id,
SPA_POD_TYPE_POD, param);
pw_connection_end_write(connection, b);
}
static void
client_node_marshal_add_mem(void *object,
enum spa_direction direction,
uint32_t port_id,
uint32_t mem_id,
uint32_t type,
int memfd, uint32_t flags, uint32_t offset, uint32_t size)
{
struct pw_resource *resource = object;
struct pw_connection *connection = resource->client->protocol_private;
struct spa_pod_builder *b;
struct spa_pod_frame f;
b = pw_connection_begin_write_resource(connection, resource, PW_CLIENT_NODE_EVENT_ADD_MEM);
spa_pod_builder_struct(b, &f,
SPA_POD_TYPE_INT, direction,
SPA_POD_TYPE_INT, port_id,
SPA_POD_TYPE_INT, mem_id,
SPA_POD_TYPE_ID, type,
SPA_POD_TYPE_INT, pw_connection_add_fd(connection, memfd),
SPA_POD_TYPE_INT, flags,
SPA_POD_TYPE_INT, offset, SPA_POD_TYPE_INT, size);
pw_connection_end_write(connection, b);
}
static void
client_node_marshal_use_buffers(void *object,
uint32_t seq,
enum spa_direction direction,
uint32_t port_id,
uint32_t n_buffers, struct pw_client_node_buffer *buffers)
{
struct pw_resource *resource = object;
struct pw_connection *connection = resource->client->protocol_private;
struct spa_pod_builder *b;
struct spa_pod_frame f;
uint32_t i, j;
b = pw_connection_begin_write_resource(connection, resource, PW_CLIENT_NODE_EVENT_USE_BUFFERS);
spa_pod_builder_add(b,
SPA_POD_TYPE_STRUCT, &f,
SPA_POD_TYPE_INT, seq,
SPA_POD_TYPE_INT, direction,
SPA_POD_TYPE_INT, port_id, SPA_POD_TYPE_INT, n_buffers, 0);
for (i = 0; i < n_buffers; i++) {
struct spa_buffer *buf = buffers[i].buffer;
spa_pod_builder_add(b,
SPA_POD_TYPE_INT, buffers[i].mem_id,
SPA_POD_TYPE_INT, buffers[i].offset,
SPA_POD_TYPE_INT, buffers[i].size,
SPA_POD_TYPE_INT, buf->id, SPA_POD_TYPE_INT, buf->n_metas, 0);
for (j = 0; j < buf->n_metas; j++) {
struct spa_meta *m = &buf->metas[j];
spa_pod_builder_add(b,
SPA_POD_TYPE_ID, m->type, SPA_POD_TYPE_INT, m->size, 0);
}
spa_pod_builder_add(b, SPA_POD_TYPE_INT, buf->n_datas, 0);
for (j = 0; j < buf->n_datas; j++) {
struct spa_data *d = &buf->datas[j];
spa_pod_builder_add(b,
SPA_POD_TYPE_ID, d->type,
SPA_POD_TYPE_INT, SPA_PTR_TO_UINT32(d->data),
SPA_POD_TYPE_INT, d->flags,
SPA_POD_TYPE_INT, d->mapoffset,
SPA_POD_TYPE_INT, d->maxsize, 0);
}
}
spa_pod_builder_add(b, -SPA_POD_TYPE_STRUCT, &f, 0);
pw_connection_end_write(connection, b);
}
static void
client_node_marshal_node_command(void *object, uint32_t seq, const struct spa_command *command)
{
struct pw_resource *resource = object;
struct pw_connection *connection = resource->client->protocol_private;
struct spa_pod_builder *b;
struct spa_pod_frame f;
b = pw_connection_begin_write_resource(connection, resource, PW_CLIENT_NODE_EVENT_NODE_COMMAND);
spa_pod_builder_struct(b, &f, SPA_POD_TYPE_INT, seq, SPA_POD_TYPE_POD, command);
pw_connection_end_write(connection, b);
}
static void
client_node_marshal_port_command(void *object,
uint32_t direction,
uint32_t port_id,
const struct spa_command *command)
{
struct pw_resource *resource = object;
struct pw_connection *connection = resource->client->protocol_private;
struct spa_pod_builder *b;
struct spa_pod_frame f;
b = pw_connection_begin_write_resource(connection, resource, PW_CLIENT_NODE_EVENT_PORT_COMMAND);
spa_pod_builder_struct(b, &f,
SPA_POD_TYPE_INT, direction,
SPA_POD_TYPE_INT, port_id,
SPA_POD_TYPE_POD, command);
pw_connection_end_write(connection, b);
}
static void client_node_marshal_transport(void *object, uint32_t node_id, int readfd, int writefd,
int memfd, uint32_t offset, uint32_t size)
{
struct pw_resource *resource = object;
struct pw_connection *connection = resource->client->protocol_private;
struct spa_pod_builder *b;
struct spa_pod_frame f;
b = pw_connection_begin_write_resource(connection, resource, PW_CLIENT_NODE_EVENT_TRANSPORT);
spa_pod_builder_struct(b, &f,
SPA_POD_TYPE_INT, node_id,
SPA_POD_TYPE_INT, pw_connection_add_fd(connection, readfd),
SPA_POD_TYPE_INT, pw_connection_add_fd(connection, writefd),
SPA_POD_TYPE_INT, pw_connection_add_fd(connection, memfd),
SPA_POD_TYPE_INT, offset, SPA_POD_TYPE_INT, size);
pw_connection_end_write(connection, b);
}
static bool client_node_demarshal_done(void *object, void *data, size_t size)
{
struct pw_resource *resource = object;
struct spa_pod_iter it;
uint32_t seq, res;
if (!spa_pod_iter_struct(&it, data, size) ||
!spa_pod_iter_get(&it,
SPA_POD_TYPE_INT, &seq,
SPA_POD_TYPE_INT, &res, 0))
return false;
((struct pw_client_node_methods *) resource->implementation)->done(resource, seq, res);
return true;
}
static bool client_node_demarshal_update(void *object, void *data, size_t size)
{
struct pw_resource *resource = object;
struct spa_pod_iter it;
uint32_t change_mask, max_input_ports, max_output_ports;
const struct spa_props *props;
if (!spa_pod_iter_struct(&it, data, size) ||
!pw_pod_remap_data(SPA_POD_TYPE_STRUCT, data, size, &resource->client->types) ||
!spa_pod_iter_get(&it,
SPA_POD_TYPE_INT, &change_mask,
SPA_POD_TYPE_INT, &max_input_ports,
SPA_POD_TYPE_INT, &max_output_ports, -SPA_POD_TYPE_OBJECT, &props, 0))
return false;
((struct pw_client_node_methods *) resource->implementation)->update(resource, change_mask,
max_input_ports,
max_output_ports,
props);
return true;
}
static bool client_node_demarshal_port_update(void *object, void *data, size_t size)
{
struct pw_resource *resource = object;
struct spa_pod_iter it;
uint32_t i, direction, port_id, change_mask, n_possible_formats, n_params;
const struct spa_param **params = NULL;
const struct spa_format **possible_formats = NULL, *format = NULL;
struct spa_port_info info, *infop = NULL;
struct spa_pod *ipod;
if (!spa_pod_iter_struct(&it, data, size) ||
!pw_pod_remap_data(SPA_POD_TYPE_STRUCT, data, size, &resource->client->types) ||
!spa_pod_iter_get(&it,
SPA_POD_TYPE_INT, &direction,
SPA_POD_TYPE_INT, &port_id,
SPA_POD_TYPE_INT, &change_mask,
SPA_POD_TYPE_INT, &n_possible_formats, 0))
return false;
possible_formats = alloca(n_possible_formats * sizeof(struct spa_format *));
for (i = 0; i < n_possible_formats; i++)
if (!spa_pod_iter_get(&it, SPA_POD_TYPE_OBJECT, &possible_formats[i], 0))
return false;
if (!spa_pod_iter_get(&it, -SPA_POD_TYPE_OBJECT, &format, SPA_POD_TYPE_INT, &n_params, 0))
return false;
params = alloca(n_params * sizeof(struct spa_param *));
for (i = 0; i < n_params; i++)
if (!spa_pod_iter_get(&it, SPA_POD_TYPE_OBJECT, &params[i], 0))
return false;
if (!spa_pod_iter_get(&it, -SPA_POD_TYPE_STRUCT, &ipod, 0))
return false;
if (ipod) {
struct spa_pod_iter it2;
infop = &info;
if (!spa_pod_iter_pod(&it2, ipod) ||
!spa_pod_iter_get(&it2,
SPA_POD_TYPE_INT, &info.flags,
SPA_POD_TYPE_INT, &info.rate, 0))
return false;
}
((struct pw_client_node_methods *) resource->implementation)->port_update(resource,
direction,
port_id,
change_mask,
n_possible_formats,
possible_formats,
format,
n_params,
params, infop);
return true;
}
static bool client_node_demarshal_event_method(void *object, void *data, size_t size)
{
struct pw_resource *resource = object;
struct spa_pod_iter it;
struct spa_event *event;
if (!spa_pod_iter_struct(&it, data, size) ||
!pw_pod_remap_data(SPA_POD_TYPE_STRUCT, data, size, &resource->client->types) ||
!spa_pod_iter_get(&it, SPA_POD_TYPE_OBJECT, &event, 0))
return false;
((struct pw_client_node_methods *) resource->implementation)->event(resource, event);
return true;
}
static bool client_node_demarshal_destroy(void *object, void *data, size_t size)
{
struct pw_resource *resource = object;
struct spa_pod_iter it;
if (!spa_pod_iter_struct(&it, data, size))
return false;
((struct pw_client_node_methods *) resource->implementation)->destroy(resource);
return true;
}
static const struct pw_client_node_methods pw_protocol_native_client_client_node_methods = {
&client_node_marshal_done,
&client_node_marshal_update,
&client_node_marshal_port_update,
&client_node_marshal_event_method,
&client_node_marshal_destroy
};
static const demarshal_func_t pw_protocol_native_client_client_node_demarshal[] = {
&client_node_demarshal_transport,
&client_node_demarshal_set_props,
&client_node_demarshal_event_event,
&client_node_demarshal_add_port,
&client_node_demarshal_remove_port,
&client_node_demarshal_set_format,
&client_node_demarshal_set_param,
&client_node_demarshal_add_mem,
&client_node_demarshal_use_buffers,
&client_node_demarshal_node_command,
&client_node_demarshal_port_command,
};
static const struct pw_interface pw_protocol_native_client_client_node_interface = {
PIPEWIRE_TYPE_NODE_BASE "Client",
PW_VERSION_CLIENT_NODE,
PW_CLIENT_NODE_METHOD_NUM, &pw_protocol_native_client_client_node_methods,
PW_CLIENT_NODE_EVENT_NUM, pw_protocol_native_client_client_node_demarshal,
};
static const demarshal_func_t pw_protocol_native_server_client_node_demarshal[] = {
&client_node_demarshal_done,
&client_node_demarshal_update,
&client_node_demarshal_port_update,
&client_node_demarshal_event_method,
&client_node_demarshal_destroy,
};
static const struct pw_client_node_events pw_protocol_native_server_client_node_events = {
&client_node_marshal_transport,
&client_node_marshal_set_props,
&client_node_marshal_event_event,
&client_node_marshal_add_port,
&client_node_marshal_remove_port,
&client_node_marshal_set_format,
&client_node_marshal_set_param,
&client_node_marshal_add_mem,
&client_node_marshal_use_buffers,
&client_node_marshal_node_command,
&client_node_marshal_port_command,
};
const struct pw_interface pw_protocol_native_server_client_node_interface = {
PIPEWIRE_TYPE_NODE_BASE "Client",
PW_VERSION_CLIENT_NODE,
PW_CLIENT_NODE_METHOD_NUM, &pw_protocol_native_server_client_node_demarshal,
PW_CLIENT_NODE_EVENT_NUM, &pw_protocol_native_server_client_node_events,
};
struct pw_protocol *pw_protocol_native_ext_client_node_init(void)
{
static bool init = false;
struct pw_protocol *protocol;
protocol = pw_protocol_get(PW_TYPE_PROTOCOL__Native);
if (init)
return protocol;
pw_protocol_add_interfaces(protocol,
&pw_protocol_native_client_client_node_interface,
&pw_protocol_native_server_client_node_interface);
init = true;
return protocol;
}