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pipewire/pinos/server/client-node.c
Wim Taymans d3682067fa node: remove node state 
Remove the node state. The state of the node is based on the state
of the ports, which can be derived directly from calling the port
methods. Track this state in the Port instead.
Add a mixer module that puts a mixer in from of audio sinks. This allows
multiple clients to play on one sink (still has some bugs). do some
fixes in the mixer and the scheduler to make this work.
2017-04-08 20:33:54 +02:00

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/* Pinos
* 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.
*/
#include <string.h>
#include <stddef.h>
#include <stdio.h>
#include <errno.h>
#include <unistd.h>
#include <fcntl.h>
#include <dlfcn.h>
#include <sys/socket.h>
#include <sys/mman.h>
#include <sys/eventfd.h>
#include "pinos/client/pinos.h"
#include "pinos/client/interfaces.h"
#include "pinos/client/transport.h"
#include "pinos/server/core.h"
#include "pinos/server/client-node.h"
#include "spa/include/spa/node.h"
#include "spa/include/spa/format-builder.h"
#define MAX_INPUTS 64
#define MAX_OUTPUTS 64
#define MAX_BUFFERS 64
#define CHECK_IN_PORT_ID(this,d,p) ((d) == SPA_DIRECTION_INPUT && (p) < MAX_INPUTS)
#define CHECK_OUT_PORT_ID(this,d,p) ((d) == SPA_DIRECTION_OUTPUT && (p) < MAX_OUTPUTS)
#define CHECK_PORT_ID(this,d,p) (CHECK_IN_PORT_ID(this,d,p) || CHECK_OUT_PORT_ID(this,d,p))
#define CHECK_FREE_IN_PORT(this,d,p) (CHECK_IN_PORT_ID(this,d,p) && !(this)->in_ports[p].valid)
#define CHECK_FREE_OUT_PORT(this,d,p) (CHECK_OUT_PORT_ID(this,d,p) && !(this)->out_ports[p].valid)
#define CHECK_FREE_PORT(this,d,p) (CHECK_FREE_IN_PORT (this,d,p) || CHECK_FREE_OUT_PORT (this,d,p))
#define CHECK_IN_PORT(this,d,p) (CHECK_IN_PORT_ID(this,d,p) && (this)->in_ports[p].valid)
#define CHECK_OUT_PORT(this,d,p) (CHECK_OUT_PORT_ID(this,d,p) && (this)->out_ports[p].valid)
#define CHECK_PORT(this,d,p) (CHECK_IN_PORT (this,d,p) || CHECK_OUT_PORT (this,d,p))
#define CHECK_PORT_BUFFER(this,b,p) (b < p->n_buffers)
typedef struct _SpaProxy SpaProxy;
typedef struct _ProxyBuffer ProxyBuffer;
struct _ProxyBuffer {
SpaBuffer *outbuf;
SpaBuffer buffer;
SpaMeta metas[4];
SpaData datas[4];
off_t offset;
size_t size;
bool outstanding;
};
typedef struct {
bool valid;
SpaPortInfo info;
SpaFormat *format;
uint32_t n_formats;
SpaFormat **formats;
SpaPortIO *io;
uint32_t n_buffers;
ProxyBuffer buffers[MAX_BUFFERS];
uint32_t buffer_mem_id;
PinosMemblock buffer_mem;
} SpaProxyPort;
struct _SpaProxy
{
SpaNode node;
PinosNode *pnode;
SpaTypeMap *map;
SpaLog *log;
SpaLoop *main_loop;
SpaLoop *data_loop;
SpaEventNodeCallback event_cb;
void *user_data;
PinosResource *resource;
SpaSource data_source;
uint32_t max_inputs;
uint32_t n_inputs;
uint32_t max_outputs;
uint32_t n_outputs;
SpaProxyPort in_ports[MAX_INPUTS];
SpaProxyPort out_ports[MAX_OUTPUTS];
uint8_t format_buffer[1024];
uint32_t seq;
};
typedef struct
{
PinosClientNode this;
PinosCore *core;
SpaProxy proxy;
PinosListener node_free;
PinosListener transport_changed;
PinosListener loop_changed;
PinosListener global_added;
int data_fd;
} PinosClientNodeImpl;
static SpaResult
clear_buffers (SpaProxy *this, SpaProxyPort *port)
{
if (port->n_buffers) {
spa_log_info (this->log, "proxy %p: clear buffers", this);
pinos_memblock_free (&port->buffer_mem);
port->n_buffers = 0;
}
return SPA_RESULT_OK;
}
static SpaResult
spa_proxy_node_get_props (SpaNode *node,
SpaProps **props)
{
return SPA_RESULT_NOT_IMPLEMENTED;
}
static SpaResult
spa_proxy_node_set_props (SpaNode *node,
const SpaProps *props)
{
return SPA_RESULT_NOT_IMPLEMENTED;
}
static void
send_need_input (SpaProxy *this)
{
PinosNode *pnode = this->pnode;
SpaEvent event = SPA_EVENT_INIT (pnode->core->type.event_node.NeedInput);
uint64_t cmd = 1;
pinos_transport_add_event (pnode->transport, &event);
write (this->data_source.fd, &cmd, 8);
}
static void
send_have_output (SpaProxy *this)
{
PinosNode *pnode = this->pnode;
SpaEvent event = SPA_EVENT_INIT (pnode->core->type.event_node.HaveOutput);
uint64_t cmd = 1;
pinos_transport_add_event (pnode->transport, &event);
write (this->data_source.fd, &cmd, 8);
}
static SpaResult
spa_proxy_node_send_command (SpaNode *node,
SpaCommand *command)
{
SpaProxy *this;
SpaResult res = SPA_RESULT_OK;
PinosCore *core;
if (node == NULL || command == NULL)
return SPA_RESULT_INVALID_ARGUMENTS;
this = SPA_CONTAINER_OF (node, SpaProxy, node);
if (this->resource == NULL)
return SPA_RESULT_OK;
core = this->pnode->core;
if (SPA_COMMAND_TYPE (command) == core->type.command_node.ClockUpdate) {
pinos_client_node_notify_node_command (this->resource,
this->seq++,
command);
}
else {
/* send start */
pinos_client_node_notify_node_command (this->resource,
this->seq,
command);
if (SPA_COMMAND_TYPE (command) == core->type.command_node.Start)
send_need_input (this);
res = SPA_RESULT_RETURN_ASYNC (this->seq++);
}
return res;
}
static SpaResult
spa_proxy_node_set_event_callback (SpaNode *node,
SpaEventNodeCallback event,
void *user_data)
{
SpaProxy *this;
if (node == NULL)
return SPA_RESULT_INVALID_ARGUMENTS;
this = SPA_CONTAINER_OF (node, SpaProxy, node);
this->event_cb = event;
this->user_data = user_data;
return SPA_RESULT_OK;
}
static SpaResult
spa_proxy_node_get_n_ports (SpaNode *node,
uint32_t *n_input_ports,
uint32_t *max_input_ports,
uint32_t *n_output_ports,
uint32_t *max_output_ports)
{
SpaProxy *this;
if (node == NULL)
return SPA_RESULT_INVALID_ARGUMENTS;
this = SPA_CONTAINER_OF (node, SpaProxy, node);
if (n_input_ports)
*n_input_ports = this->n_inputs;
if (max_input_ports)
*max_input_ports = this->max_inputs;
if (n_output_ports)
*n_output_ports = this->n_outputs;
if (max_output_ports)
*max_output_ports = this->max_outputs;
return SPA_RESULT_OK;
}
static SpaResult
spa_proxy_node_get_port_ids (SpaNode *node,
uint32_t n_input_ports,
uint32_t *input_ids,
uint32_t n_output_ports,
uint32_t *output_ids)
{
SpaProxy *this;
int c, i;
if (node == NULL)
return SPA_RESULT_INVALID_ARGUMENTS;
this = SPA_CONTAINER_OF (node, SpaProxy, node);
if (input_ids) {
for (c = 0, i = 0; i < MAX_INPUTS && c < n_input_ports; i++) {
if (this->in_ports[i].valid)
input_ids[c++] = i;
}
}
if (output_ids) {
for (c = 0, i = 0; i < MAX_OUTPUTS && c < n_output_ports; i++) {
if (this->out_ports[i].valid)
output_ids[c++] = i;
}
}
return SPA_RESULT_OK;
}
static void
do_update_port (SpaProxy *this,
SpaDirection direction,
uint32_t port_id,
uint32_t change_mask,
uint32_t n_possible_formats,
const SpaFormat **possible_formats,
const SpaFormat *format,
const SpaProps *props,
const SpaPortInfo *info)
{
SpaProxyPort *port;
uint32_t i;
if (direction == SPA_DIRECTION_INPUT) {
port = &this->in_ports[port_id];
} else {
port = &this->out_ports[port_id];
}
if (change_mask & PINOS_MESSAGE_PORT_UPDATE_POSSIBLE_FORMATS) {
for (i = 0; i < port->n_formats; i++)
free (port->formats[i]);
port->n_formats = n_possible_formats;
port->formats = realloc (port->formats, port->n_formats * sizeof (SpaFormat *));
for (i = 0; i < port->n_formats; i++)
port->formats[i] = spa_format_copy (possible_formats[i]);
}
if (change_mask & PINOS_MESSAGE_PORT_UPDATE_FORMAT) {
if (port->format)
free (port->format);
port->format = spa_format_copy (format);
}
if (change_mask & PINOS_MESSAGE_PORT_UPDATE_PROPS) {
}
if (change_mask & PINOS_MESSAGE_PORT_UPDATE_INFO && info) {
void *old;
for (i = 0; i < port->info.n_params; i++)
free (port->info.params[i]);
old = port->info.params;
port->info = *info;
port->info.params = realloc (old, port->info.n_params * sizeof (SpaAllocParam *));
for (i = 0; i < port->info.n_params; i++)
port->info.params[i] = spa_alloc_param_copy (info->params[i]);
port->info.extra = NULL;
}
if (!port->valid) {
spa_log_info (this->log, "proxy %p: adding port %d", this, port_id);
port->format = NULL;
port->valid = true;
if (direction == SPA_DIRECTION_INPUT)
this->n_inputs++;
else
this->n_outputs++;
}
}
static void
clear_port (SpaProxy *this,
SpaProxyPort *port,
SpaDirection direction,
uint32_t port_id)
{
do_update_port (this,
direction,
port_id,
PINOS_MESSAGE_PORT_UPDATE_POSSIBLE_FORMATS |
PINOS_MESSAGE_PORT_UPDATE_FORMAT |
PINOS_MESSAGE_PORT_UPDATE_PROPS |
PINOS_MESSAGE_PORT_UPDATE_INFO,
0,
NULL,
NULL,
NULL,
NULL);
clear_buffers (this, port);
}
static void
do_uninit_port (SpaProxy *this,
SpaDirection direction,
uint32_t port_id)
{
SpaProxyPort *port;
spa_log_info (this->log, "proxy %p: removing port %d", this, port_id);
if (direction == SPA_DIRECTION_INPUT) {
port = &this->in_ports[port_id];
this->n_inputs--;
} else {
port = &this->out_ports[port_id];
this->n_outputs--;
}
clear_port (this, port, direction, port_id);
port->valid = false;
}
static SpaResult
spa_proxy_node_add_port (SpaNode *node,
SpaDirection direction,
uint32_t port_id)
{
SpaProxy *this;
SpaProxyPort *port;
if (node == NULL)
return SPA_RESULT_INVALID_ARGUMENTS;
this = SPA_CONTAINER_OF (node, SpaProxy, node);
if (!CHECK_FREE_PORT (this, direction, port_id))
return SPA_RESULT_INVALID_PORT;
port = direction == SPA_DIRECTION_INPUT ? &this->in_ports[port_id] : &this->out_ports[port_id];
clear_port (this, port, direction, port_id);
return SPA_RESULT_OK;
}
static SpaResult
spa_proxy_node_remove_port (SpaNode *node,
SpaDirection direction,
uint32_t port_id)
{
SpaProxy *this;
if (node == NULL)
return SPA_RESULT_INVALID_ARGUMENTS;
this = SPA_CONTAINER_OF (node, SpaProxy, node);
if (!CHECK_PORT (this, direction, port_id))
return SPA_RESULT_INVALID_PORT;
do_uninit_port (this, direction, port_id);
return SPA_RESULT_OK;
}
static SpaResult
spa_proxy_node_port_enum_formats (SpaNode *node,
SpaDirection direction,
uint32_t port_id,
SpaFormat **format,
const SpaFormat *filter,
uint32_t index)
{
SpaProxy *this;
SpaProxyPort *port;
SpaFormat *fmt;
SpaPODBuilder b = { NULL, };
SpaResult res;
uint32_t count, match = 0;
if (node == NULL || format == NULL)
return SPA_RESULT_INVALID_ARGUMENTS;
this = SPA_CONTAINER_OF (node, SpaProxy, node);
if (!CHECK_PORT (this, direction, port_id))
return SPA_RESULT_INVALID_PORT;
port = direction == SPA_DIRECTION_INPUT ? &this->in_ports[port_id] : &this->out_ports[port_id];
count = match = filter ? 0 : index;
next:
if (count >= port->n_formats)
return SPA_RESULT_ENUM_END;
fmt = port->formats[count++];
spa_pod_builder_init (&b, this->format_buffer, sizeof (this->format_buffer));
if ((res = spa_format_filter (fmt, filter, &b)) != SPA_RESULT_OK || match++ != index)
goto next;
*format = SPA_POD_BUILDER_DEREF (&b, 0, SpaFormat);
return SPA_RESULT_OK;
}
static SpaResult
spa_proxy_node_port_set_format (SpaNode *node,
SpaDirection direction,
uint32_t port_id,
SpaPortFormatFlags flags,
const SpaFormat *format)
{
SpaProxy *this;
if (node == NULL)
return SPA_RESULT_INVALID_ARGUMENTS;
this = SPA_CONTAINER_OF (node, SpaProxy, node);
if (!CHECK_PORT (this, direction, port_id))
return SPA_RESULT_INVALID_PORT;
if (this->resource == NULL)
return SPA_RESULT_OK;
pinos_client_node_notify_set_format (this->resource,
this->seq,
direction,
port_id,
flags,
format);
return SPA_RESULT_RETURN_ASYNC (this->seq++);
}
static SpaResult
spa_proxy_node_port_get_format (SpaNode *node,
SpaDirection direction,
uint32_t port_id,
const SpaFormat **format)
{
SpaProxy *this;
SpaProxyPort *port;
if (node == NULL || format == NULL)
return SPA_RESULT_INVALID_ARGUMENTS;
this = SPA_CONTAINER_OF (node, SpaProxy, node);
if (!CHECK_PORT (this, direction, port_id))
return SPA_RESULT_INVALID_PORT;
port = direction == SPA_DIRECTION_INPUT ? &this->in_ports[port_id] : &this->out_ports[port_id];
if (!port->format)
return SPA_RESULT_NO_FORMAT;
*format = port->format;
return SPA_RESULT_OK;
}
static SpaResult
spa_proxy_node_port_get_info (SpaNode *node,
SpaDirection direction,
uint32_t port_id,
const SpaPortInfo **info)
{
SpaProxy *this;
SpaProxyPort *port;
if (node == NULL || info == NULL)
return SPA_RESULT_INVALID_ARGUMENTS;
this = SPA_CONTAINER_OF (node, SpaProxy, node);
if (!CHECK_PORT (this, direction, port_id))
return SPA_RESULT_INVALID_PORT;
port = direction == SPA_DIRECTION_INPUT ? &this->in_ports[port_id] : &this->out_ports[port_id];
*info = &port->info;
return SPA_RESULT_OK;
}
static SpaResult
spa_proxy_node_port_get_props (SpaNode *node,
SpaDirection direction,
uint32_t port_id,
SpaProps **props)
{
return SPA_RESULT_NOT_IMPLEMENTED;
}
static SpaResult
spa_proxy_node_port_set_props (SpaNode *node,
SpaDirection direction,
uint32_t port_id,
const SpaProps *props)
{
return SPA_RESULT_NOT_IMPLEMENTED;
}
static SpaResult
spa_proxy_node_port_set_io (SpaNode *node,
SpaDirection direction,
uint32_t port_id,
SpaPortIO *io)
{
SpaProxy *this;
SpaProxyPort *port;
if (node == NULL)
return SPA_RESULT_INVALID_ARGUMENTS;
this = SPA_CONTAINER_OF (node, SpaProxy, node);
if (!CHECK_PORT (this, direction, port_id))
return SPA_RESULT_INVALID_PORT;
port = direction == SPA_DIRECTION_INPUT ? &this->in_ports[port_id] : &this->out_ports[port_id];
port->io = io;
return SPA_RESULT_OK;
}
static SpaResult
spa_proxy_node_port_use_buffers (SpaNode *node,
SpaDirection direction,
uint32_t port_id,
SpaBuffer **buffers,
uint32_t n_buffers)
{
SpaProxy *this;
SpaProxyPort *port;
uint32_t i, j;
size_t n_mem;
PinosClientNodeBuffer *mb;
SpaMetaShared *msh;
if (node == NULL)
return SPA_RESULT_INVALID_ARGUMENTS;
this = SPA_CONTAINER_OF (node, SpaProxy, node);
spa_log_info (this->log, "proxy %p: use buffers %p %u", this, buffers, n_buffers);
if (!CHECK_PORT (this, direction, port_id))
return SPA_RESULT_INVALID_PORT;
port = direction == SPA_DIRECTION_INPUT ? &this->in_ports[port_id] : &this->out_ports[port_id];
if (!port->format)
return SPA_RESULT_NO_FORMAT;
clear_buffers (this, port);
if (n_buffers > 0) {
mb = alloca (n_buffers * sizeof (PinosClientNodeBuffer));
} else {
mb = NULL;
}
port->n_buffers = n_buffers;
if (this->resource == NULL)
return SPA_RESULT_OK;
n_mem = 0;
for (i = 0; i < n_buffers; i++) {
ProxyBuffer *b = &port->buffers[i];
msh = spa_buffer_find_meta (buffers[i], SPA_META_TYPE_SHARED);
if (msh == NULL) {
spa_log_error (this->log, "missing shared metadata on buffer %d", i);
return SPA_RESULT_ERROR;
}
b->outbuf = buffers[i];
memcpy (&b->buffer, buffers[i], sizeof (SpaBuffer));
b->buffer.datas = b->datas;
b->buffer.metas = b->metas;
mb[i].buffer = &b->buffer;
mb[i].mem_id = n_mem++;
mb[i].offset = 0;
mb[i].size = msh->size;
pinos_client_node_notify_add_mem (this->resource,
direction,
port_id,
mb[i].mem_id,
SPA_DATA_TYPE_MEMFD,
msh->fd,
msh->flags,
msh->offset,
msh->size);
for (j = 0; j < buffers[i]->n_metas; j++) {
memcpy (&b->buffer.metas[j], &buffers[i]->metas[j], sizeof (SpaMeta));
}
for (j = 0; j < buffers[i]->n_datas; j++) {
SpaData *d = &buffers[i]->datas[j];
memcpy (&b->buffer.datas[j], d, sizeof (SpaData));
switch (d->type) {
case SPA_DATA_TYPE_DMABUF:
case SPA_DATA_TYPE_MEMFD:
pinos_client_node_notify_add_mem (this->resource,
direction,
port_id,
n_mem,
d->type,
d->fd,
d->flags,
d->mapoffset,
d->maxsize);
b->buffer.datas[j].type = SPA_DATA_TYPE_ID;
b->buffer.datas[j].data = SPA_UINT32_TO_PTR (n_mem);
n_mem++;
break;
case SPA_DATA_TYPE_MEMPTR:
b->buffer.datas[j].data = SPA_INT_TO_PTR (b->size);
b->size += d->maxsize;
break;
default:
b->buffer.datas[j].type = SPA_DATA_TYPE_INVALID;
b->buffer.datas[j].data = 0;
spa_log_error (this->log, "invalid memory type %d", d->type);
break;
}
}
}
pinos_client_node_notify_use_buffers (this->resource,
this->seq,
direction,
port_id,
n_buffers,
mb);
return SPA_RESULT_RETURN_ASYNC (this->seq++);
}
static SpaResult
spa_proxy_node_port_alloc_buffers (SpaNode *node,
SpaDirection direction,
uint32_t port_id,
SpaAllocParam **params,
uint32_t n_params,
SpaBuffer **buffers,
uint32_t *n_buffers)
{
SpaProxy *this;
SpaProxyPort *port;
if (node == NULL || buffers == NULL)
return SPA_RESULT_INVALID_ARGUMENTS;
this = SPA_CONTAINER_OF (node, SpaProxy, node);
if (!CHECK_PORT (this, direction, port_id))
return SPA_RESULT_INVALID_PORT;
port = direction == SPA_DIRECTION_INPUT ? &this->in_ports[port_id] : &this->out_ports[port_id];
if (!port->format)
return SPA_RESULT_NO_FORMAT;
return SPA_RESULT_NOT_IMPLEMENTED;
}
static SpaResult
spa_proxy_node_port_reuse_buffer (SpaNode *node,
uint32_t port_id,
uint32_t buffer_id)
{
SpaProxy *this;
PinosNode *pnode;
if (node == NULL)
return SPA_RESULT_INVALID_ARGUMENTS;
this = SPA_CONTAINER_OF (node, SpaProxy, node);
pnode = this->pnode;
if (!CHECK_OUT_PORT (this, SPA_DIRECTION_OUTPUT, port_id))
return SPA_RESULT_INVALID_PORT;
spa_log_trace (this->log, "reuse buffer %d", buffer_id);
{
SpaEventNodeReuseBuffer rb = SPA_EVENT_NODE_REUSE_BUFFER_INIT (pnode->core->type.event_node.ReuseBuffer,
port_id, buffer_id);
pinos_transport_add_event (pnode->transport, (SpaEvent *)&rb);
}
return SPA_RESULT_OK;
}
static SpaResult
spa_proxy_node_port_send_command (SpaNode *node,
SpaDirection direction,
uint32_t port_id,
SpaCommand *command)
{
SpaProxy *this;
if (node == NULL || command == NULL)
return SPA_RESULT_INVALID_ARGUMENTS;
this = SPA_CONTAINER_OF (node, SpaProxy, node);
spa_log_warn (this->log, "unhandled command %d", SPA_COMMAND_TYPE (command));
return SPA_RESULT_NOT_IMPLEMENTED;
}
static SpaResult
spa_proxy_node_process_input (SpaNode *node)
{
SpaProxy *this;
if (node == NULL)
return SPA_RESULT_INVALID_ARGUMENTS;
this = SPA_CONTAINER_OF (node, SpaProxy, node);
send_have_output (this);
return SPA_RESULT_OK;
}
static SpaResult
spa_proxy_node_process_output (SpaNode *node)
{
SpaProxy *this;
int i;
if (node == NULL)
return SPA_RESULT_INVALID_ARGUMENTS;
this = SPA_CONTAINER_OF (node, SpaProxy, node);
for (i = 0; i < MAX_OUTPUTS; i++) {
SpaPortIO *io = this->out_ports[i].io;
if (io && io->buffer_id != SPA_ID_INVALID) {
spa_proxy_node_port_reuse_buffer (node, i, io->buffer_id);
io->buffer_id = SPA_ID_INVALID;
}
}
send_need_input (this);
return SPA_RESULT_HAVE_OUTPUT;
}
static SpaResult
handle_node_event (SpaProxy *this,
SpaEvent *event)
{
this->event_cb (&this->node, event, this->user_data);
return SPA_RESULT_OK;
}
static void
client_node_update (void *object,
uint32_t change_mask,
uint32_t max_input_ports,
uint32_t max_output_ports,
const SpaProps *props)
{
PinosResource *resource = object;
PinosClientNode *node = resource->object;
PinosClientNodeImpl *impl = SPA_CONTAINER_OF (node, PinosClientNodeImpl, this);
SpaProxy *this = &impl->proxy;
if (change_mask & PINOS_MESSAGE_NODE_UPDATE_MAX_INPUTS)
this->max_inputs = max_input_ports;
if (change_mask & PINOS_MESSAGE_NODE_UPDATE_MAX_OUTPUTS)
this->max_outputs = max_output_ports;
spa_log_info (this->log, "proxy %p: got node update max_in %u, max_out %u", this,
this->max_inputs, this->max_outputs);
}
static void
client_node_port_update (void *object,
SpaDirection direction,
uint32_t port_id,
uint32_t change_mask,
uint32_t n_possible_formats,
const SpaFormat **possible_formats,
const SpaFormat *format,
const SpaProps *props,
const SpaPortInfo *info)
{
PinosResource *resource = object;
PinosClientNode *node = resource->object;
PinosClientNodeImpl *impl = SPA_CONTAINER_OF (node, PinosClientNodeImpl, this);
SpaProxy *this = &impl->proxy;
bool remove;
spa_log_info (this->log, "proxy %p: got port update", this);
if (!CHECK_PORT_ID (this, direction, port_id))
return;
remove = (change_mask == 0);
if (remove) {
do_uninit_port (this, direction, port_id);
} else {
do_update_port (this,
direction,
port_id,
change_mask,
n_possible_formats,
possible_formats,
format,
props,
info);
}
}
static void
client_node_event (void *object,
SpaEvent *event)
{
PinosResource *resource = object;
PinosClientNode *node = resource->object;
PinosClientNodeImpl *impl = SPA_CONTAINER_OF (node, PinosClientNodeImpl, this);
SpaProxy *this = &impl->proxy;
handle_node_event (this, event);
}
static void
client_node_destroy (void *object)
{
PinosResource *resource = object;
PinosClientNode *node = resource->object;
pinos_client_node_destroy (node);
}
static PinosClientNodeMethods client_node_methods = {
&client_node_update,
&client_node_port_update,
&client_node_event,
&client_node_destroy,
};
static void
proxy_on_data_fd_events (SpaSource *source)
{
SpaProxy *this = source->data;
PinosNode *pnode = this->pnode;
if (source->rmask & (SPA_IO_ERR | SPA_IO_HUP)) {
spa_log_warn (this->log, "proxy %p: got error", this);
return;
}
if (source->rmask & SPA_IO_IN) {
SpaEvent event;
uint64_t cmd;
read (this->data_source.fd, &cmd, 8);
while (pinos_transport_next_event (pnode->transport, &event) == SPA_RESULT_OK) {
SpaEvent *ev = alloca (SPA_POD_SIZE (&event));
pinos_transport_parse_event (pnode->transport, ev);
this->event_cb (&this->node, ev, this->user_data);
}
}
}
static const SpaNode proxy_node = {
sizeof (SpaNode),
NULL,
spa_proxy_node_get_props,
spa_proxy_node_set_props,
spa_proxy_node_send_command,
spa_proxy_node_set_event_callback,
spa_proxy_node_get_n_ports,
spa_proxy_node_get_port_ids,
spa_proxy_node_add_port,
spa_proxy_node_remove_port,
spa_proxy_node_port_enum_formats,
spa_proxy_node_port_set_format,
spa_proxy_node_port_get_format,
spa_proxy_node_port_get_info,
spa_proxy_node_port_get_props,
spa_proxy_node_port_set_props,
spa_proxy_node_port_use_buffers,
spa_proxy_node_port_alloc_buffers,
spa_proxy_node_port_set_io,
spa_proxy_node_port_reuse_buffer,
spa_proxy_node_port_send_command,
spa_proxy_node_process_input,
spa_proxy_node_process_output,
};
static SpaResult
proxy_init (SpaProxy *this,
SpaDict *info,
const SpaSupport *support,
uint32_t n_support)
{
uint32_t i;
for (i = 0; i < n_support; i++) {
if (strcmp (support[i].type, SPA_TYPE__Log) == 0)
this->log = support[i].data;
else if (strcmp (support[i].type, SPA_TYPE_LOOP__MainLoop) == 0)
this->main_loop = support[i].data;
else if (strcmp (support[i].type, SPA_TYPE_LOOP__DataLoop) == 0)
this->data_loop = support[i].data;
}
if (this->data_loop == NULL) {
spa_log_error (this->log, "a main-loop is needed");
}
if (this->data_loop == NULL) {
spa_log_error (this->log, "a data-loop is needed");
}
this->node = proxy_node;
this->data_source.func = proxy_on_data_fd_events;
this->data_source.data = this;
this->data_source.fd = -1;
this->data_source.mask = SPA_IO_IN | SPA_IO_ERR | SPA_IO_HUP;
this->data_source.rmask = 0;
return SPA_RESULT_RETURN_ASYNC (this->seq++);
}
static void
on_transport_changed (PinosListener *listener,
PinosNode *node)
{
PinosClientNodeImpl *impl = SPA_CONTAINER_OF (listener, PinosClientNodeImpl, transport_changed);
PinosClientNode *this = &impl->this;
PinosTransportInfo info;
if (this->resource == NULL)
return;
pinos_transport_get_info (node->transport, &info);
pinos_client_node_notify_transport (this->resource,
info.memfd,
info.offset,
info.size);
}
static void
on_loop_changed (PinosListener *listener,
PinosNode *node)
{
PinosClientNodeImpl *impl = SPA_CONTAINER_OF (listener, PinosClientNodeImpl, loop_changed);
impl->proxy.data_loop = node->data_loop->loop->loop;
}
static void
on_global_added (PinosListener *listener,
PinosCore *core,
PinosGlobal *global)
{
PinosClientNodeImpl *impl = SPA_CONTAINER_OF (listener, PinosClientNodeImpl, global_added);
if (global->object == impl->this.node)
global->owner = impl->this.client;
}
static SpaResult
proxy_clear (SpaProxy *this)
{
uint32_t i;
for (i = 0; i < MAX_INPUTS; i++) {
if (this->in_ports[i].valid)
clear_port (this, &this->in_ports[i], SPA_DIRECTION_INPUT, i);
}
for (i = 0; i < MAX_OUTPUTS; i++) {
if (this->out_ports[i].valid)
clear_port (this, &this->out_ports[i], SPA_DIRECTION_OUTPUT, i);
}
return SPA_RESULT_OK;
}
static void
client_node_resource_destroy (PinosResource *resource)
{
PinosClientNode *this = resource->object;
PinosClientNodeImpl *impl = SPA_CONTAINER_OF (this, PinosClientNodeImpl, this);
SpaProxy *proxy = &impl->proxy;
pinos_log_debug ("client-node %p: destroy", impl);
pinos_signal_emit (&this->destroy_signal, this);
impl->proxy.resource = this->resource = NULL;
pinos_signal_remove (&impl->global_added);
pinos_signal_remove (&impl->loop_changed);
pinos_signal_remove (&impl->transport_changed);
if (proxy->data_source.fd != -1) {
spa_loop_remove_source (proxy->data_loop, &proxy->data_source);
close (proxy->data_source.fd);
}
pinos_node_destroy (this->node);
}
static void
on_node_free (PinosListener *listener,
PinosNode *node)
{
PinosClientNodeImpl *impl = SPA_CONTAINER_OF (listener, PinosClientNodeImpl, node_free);
pinos_log_debug ("client-node %p: free", &impl->this);
proxy_clear (&impl->proxy);
pinos_signal_remove (&impl->node_free);
if (impl->data_fd != -1)
close (impl->data_fd);
free (impl);
}
/**
* pinos_client_node_new:
* @daemon: a #PinosDaemon
* @name: a name
* @properties: extra properties
*
* Create a new #PinosNode.
*
* Returns: a new #PinosNode
*/
PinosClientNode *
pinos_client_node_new (PinosClient *client,
uint32_t id,
const char *name,
PinosProperties *properties)
{
PinosClientNodeImpl *impl;
PinosClientNode *this;
impl = calloc (1, sizeof (PinosClientNodeImpl));
if (impl == NULL)
return NULL;
this = &impl->this;
this->client = client;
impl->core = client->core;
impl->data_fd = -1;
pinos_log_debug ("client-node %p: new", impl);
pinos_signal_init (&this->destroy_signal);
proxy_init (&impl->proxy, NULL, client->core->support, client->core->n_support);
this->node = pinos_node_new (client->core,
name,
true,
&impl->proxy.node,
NULL,
properties);
if (this->node == NULL)
goto error_no_node;
impl->proxy.pnode = this->node;
this->resource = pinos_resource_new (client,
id,
client->core->type.client_node,
this,
(PinosDestroy) client_node_resource_destroy);
if (this->resource == NULL)
goto error_no_resource;
impl->proxy.resource = this->resource;
pinos_signal_add (&this->node->free_signal,
&impl->node_free,
on_node_free);
pinos_signal_add (&this->node->transport_changed,
&impl->transport_changed,
on_transport_changed);
pinos_signal_add (&this->node->loop_changed,
&impl->loop_changed,
on_loop_changed);
pinos_signal_add (&impl->core->global_added,
&impl->global_added,
on_global_added);
this->resource->implementation = &client_node_methods;
return this;
error_no_resource:
pinos_node_destroy (this->node);
error_no_node:
proxy_clear (&impl->proxy);
free (impl);
return NULL;
}
void
pinos_client_node_destroy (PinosClientNode * this)
{
pinos_resource_destroy (this->resource);
}
/**
* pinos_client_node_get_data_socket:
* @node: a #PinosClientNode
* @error: a #GError
*
* Create or return a previously create socket pair for @node. The
* Socket for the other end is returned.
*
* Returns: %SPA_RESULT_OK on success
*/
SpaResult
pinos_client_node_get_data_socket (PinosClientNode *this,
int *fd)
{
PinosClientNodeImpl *impl = SPA_CONTAINER_OF (this, PinosClientNodeImpl, this);
if (impl->data_fd == -1) {
#if 1
int fd[2];
if (socketpair (AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC | SOCK_NONBLOCK, 0, fd) != 0)
return SPA_RESULT_ERRNO;
impl->proxy.data_source.fd = fd[0];
impl->data_fd = fd[1];
#else
impl->proxy.data_source.fd = eventfd (0, EFD_CLOEXEC | EFD_NONBLOCK);
impl->data_fd = eventfd (0, EFD_CLOEXEC | EFD_NONBLOCK);
#endif
spa_loop_add_source (impl->proxy.data_loop, &impl->proxy.data_source);
pinos_log_debug ("client-node %p: add data fd %d", this, impl->proxy.data_source.fd);
}
*fd = impl->data_fd;
return SPA_RESULT_OK;
}
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