mirrors/pipewire
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/pipewire/pipewire.git synced 2025-10-29 05:40:27 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions
pipewire/pinos/modules/spa/spa-alsa-monitor.c
Wim Taymans 7e46f9e3ad More hacking 
Move array and map to pinos
Move more things to spa lib
ControlCmd -> Message
Make pinos log, use for plugins as well
work on ringbuffer in alsa and nodes
work on making registry with all objects
2016-11-03 19:41:53 +01:00

363 lines
10 KiB
C
Raw Blame History

/* 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 <dlfcn.h>
#include <errno.h>
#include <poll.h>
#include <string.h>
#include <fcntl.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/mman.h>
#include <gio/gio.h>
#include <spa/include/spa/node.h>
#include <spa/include/spa/monitor.h>
#include <pinos/client/log.h>
#include "spa-alsa-monitor.h"
#define PINOS_SPA_ALSA_MONITOR_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE ((obj), PINOS_TYPE_SPA_ALSA_MONITOR, PinosSpaALSAMonitorPrivate))
typedef struct {
uint32_t node;
uint32_t clock;
} URI;
struct _PinosSpaALSAMonitorPrivate
{
PinosDaemon *daemon;
SpaHandle *handle;
SpaMonitor *monitor;
URI uri;
GHashTable *nodes;
};
enum
{
PROP_0,
PROP_DAEMON,
PROP_MONITOR,
};
G_DEFINE_TYPE (PinosSpaALSAMonitor, pinos_spa_alsa_monitor, G_TYPE_OBJECT);
static SpaResult
make_handle (PinosDaemon *daemon, SpaHandle **handle, const char *lib, const char *name, const SpaDict *info)
{
SpaResult res;
void *hnd, *state = NULL;
SpaEnumHandleFactoryFunc enum_func;
if ((hnd = dlopen (lib, RTLD_NOW)) == NULL) {
g_error ("can't load %s: %s", lib, dlerror());
return SPA_RESULT_ERROR;
}
if ((enum_func = dlsym (hnd, "spa_enum_handle_factory")) == NULL) {
g_error ("can't find enum function");
return SPA_RESULT_ERROR;
}
while (true) {
const SpaHandleFactory *factory;
if ((res = enum_func (&factory, &state)) < 0) {
if (res != SPA_RESULT_ENUM_END)
g_error ("can't enumerate factories: %d", res);
break;
}
if (strcmp (factory->name, name))
continue;
*handle = g_malloc0 (factory->size);
if ((res = spa_handle_factory_init (factory, *handle, info, daemon->support, daemon->n_support)) < 0) {
g_error ("can't make factory instance: %d", res);
return res;
}
return SPA_RESULT_OK;
}
return SPA_RESULT_ERROR;
}
static void
add_item (PinosSpaALSAMonitor *this, SpaMonitorItem *item)
{
PinosSpaALSAMonitorPrivate *priv = this->priv;
SpaResult res;
SpaHandle *handle;
PinosNode *node;
void *node_iface, *clock_iface;
PinosProperties *props = NULL;
pinos_log_debug ("alsa-monitor %p: add: \"%s\" (%s)", this, item->name, item->id);
handle = calloc (1, item->factory->size);
if ((res = spa_handle_factory_init (item->factory,
handle,
item->info,
priv->daemon->support,
priv->daemon->n_support)) < 0) {
g_error ("can't make factory instance: %d", res);
return;
}
if ((res = spa_handle_get_interface (handle, priv->uri.node, &node_iface)) < 0) {
g_error ("can't get NODE interface: %d", res);
return;
}
if ((res = spa_handle_get_interface (handle, priv->uri.clock, &clock_iface)) < 0) {
pinos_log_debug ("can't get CLOCK interface: %d", res);
clock_iface = NULL;
}
if (item->info) {
unsigned int i;
props = pinos_properties_new (NULL, NULL);
for (i = 0; i < item->info->n_items; i++)
pinos_properties_set (props,
item->info->items[i].key,
item->info->items[i].value);
}
node = g_object_new (PINOS_TYPE_NODE,
"daemon", priv->daemon,
"name", item->factory->name,
"node", node_iface,
"clock", clock_iface,
"properties", props,
NULL);
g_hash_table_insert (priv->nodes, g_strdup (item->id), node);
}
static void
remove_item (PinosSpaALSAMonitor *this, SpaMonitorItem *item)
{
PinosSpaALSAMonitorPrivate *priv = this->priv;
PinosNode *node;
pinos_log_debug ("alsa-monitor %p: remove: \"%s\" (%s)", this, item->name, item->id);
node = g_hash_table_lookup (priv->nodes, item->id);
if (node) {
pinos_node_remove (node);
g_hash_table_remove (priv->nodes, item->id);
}
}
static void
on_monitor_event (SpaMonitor *monitor,
SpaMonitorEvent *event,
void *user_data)
{
PinosSpaALSAMonitor *this = user_data;
switch (event->type) {
case SPA_MONITOR_EVENT_TYPE_ADDED:
{
SpaMonitorItem *item = (SpaMonitorItem *) event;
add_item (this, item);
break;
}
case SPA_MONITOR_EVENT_TYPE_REMOVED:
{
SpaMonitorItem *item = (SpaMonitorItem *) event;
remove_item (this, item);
}
case SPA_MONITOR_EVENT_TYPE_CHANGED:
{
SpaMonitorItem *item = (SpaMonitorItem *) event;
pinos_log_debug ("alsa-monitor %p: changed: \"%s\"", this, item->name);
break;
}
default:
break;
}
}
static void
monitor_constructed (GObject * object)
{
PinosSpaALSAMonitor *this = PINOS_SPA_ALSA_MONITOR (object);
PinosSpaALSAMonitorPrivate *priv = this->priv;
SpaResult res;
void *state = NULL;
pinos_log_debug ("spa-monitor %p: constructed", this);
G_OBJECT_CLASS (pinos_spa_alsa_monitor_parent_class)->constructed (object);
priv->uri.node = spa_id_map_get_id (priv->daemon->map, SPA_NODE_URI);
priv->uri.clock = spa_id_map_get_id (priv->daemon->map, SPA_CLOCK_URI);
while (TRUE) {
SpaMonitorItem *item;
if ((res = spa_monitor_enum_items (priv->monitor, &item, &state)) < 0) {
if (res != SPA_RESULT_ENUM_END)
pinos_log_debug ("spa_monitor_enum_items: got error %d\n", res);
break;
}
add_item (this, item);
}
spa_monitor_set_event_callback (priv->monitor, on_monitor_event, this);
}
static void
monitor_get_property (GObject *_object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
PinosSpaALSAMonitor *this = PINOS_SPA_ALSA_MONITOR (_object);
PinosSpaALSAMonitorPrivate *priv = this->priv;
switch (prop_id) {
case PROP_DAEMON:
g_value_set_object (value, priv->daemon);
break;
case PROP_MONITOR:
g_value_set_pointer (value, priv->monitor);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (this, prop_id, pspec);
break;
}
}
static void
monitor_set_property (GObject *_object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
PinosSpaALSAMonitor *this = PINOS_SPA_ALSA_MONITOR (_object);
PinosSpaALSAMonitorPrivate *priv = this->priv;
switch (prop_id) {
case PROP_DAEMON:
priv->daemon = g_value_dup_object (value);
break;
case PROP_MONITOR:
priv->monitor = g_value_get_pointer (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (this, prop_id, pspec);
break;
}
}
static void
monitor_finalize (GObject * object)
{
PinosSpaALSAMonitor *this = PINOS_SPA_ALSA_MONITOR (object);
PinosSpaALSAMonitorPrivate *priv = this->priv;
pinos_log_debug ("spa-monitor %p: dispose", this);
spa_handle_clear (priv->handle);
g_free (priv->handle);
g_hash_table_unref (priv->nodes);
G_OBJECT_CLASS (pinos_spa_alsa_monitor_parent_class)->finalize (object);
}
static void
pinos_spa_alsa_monitor_class_init (PinosSpaALSAMonitorClass * klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
g_type_class_add_private (klass, sizeof (PinosSpaALSAMonitorPrivate));
gobject_class->constructed = monitor_constructed;
gobject_class->finalize = monitor_finalize;
gobject_class->set_property = monitor_set_property;
gobject_class->get_property = monitor_get_property;
g_object_class_install_property (gobject_class,
PROP_DAEMON,
g_param_spec_object ("daemon",
"Daemon",
"The Daemon",
PINOS_TYPE_DAEMON,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class,
PROP_MONITOR,
g_param_spec_pointer ("monitor",
"Monitor",
"The SPA monitor",
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS));
}
static void
pinos_spa_alsa_monitor_init (PinosSpaALSAMonitor * this)
{
PinosSpaALSAMonitorPrivate *priv = this->priv = PINOS_SPA_ALSA_MONITOR_GET_PRIVATE (this);
priv->nodes = g_hash_table_new_full (g_str_hash,
g_str_equal,
g_free,
g_object_unref);
}
GObject *
pinos_spa_alsa_monitor_new (PinosDaemon *daemon)
{
GObject *monitor;
SpaHandle *handle;
SpaResult res;
void *iface;
if ((res = make_handle (daemon, &handle,
"build/spa/plugins/alsa/libspa-alsa.so",
"alsa-monitor",
NULL)) < 0) {
g_error ("can't create alsa-monitor: %d", res);
return NULL;
}
if ((res = spa_handle_get_interface (handle,
spa_id_map_get_id (daemon->map, SPA_MONITOR_URI),
&iface)) < 0) {
g_free (handle);
g_error ("can't get MONITOR interface: %d", res);
return NULL;
}
monitor = g_object_new (PINOS_TYPE_SPA_ALSA_MONITOR,
"daemon", daemon,
"monitor", iface,
NULL);
return monitor;
}
Reference in a new issue View git blame Copy permalink