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WIP change object model
This commit is contained in:
Wim Taymans
parent
190f01d88e
commit
c25ccbb4ba
44 changed files with 1557 additions and 2525 deletions
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@ -1,263 +0,0 @@
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/* Pinos
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* Copyright (C) 2015 Wim Taymans <wim.taymans@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include <dlfcn.h>
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#include <errno.h>
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#include <poll.h>
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#include <string.h>
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#include <fcntl.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <sys/mman.h>
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#include <spa/include/spa/node.h>
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#include <spa/include/spa/monitor.h>
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#include <pinos/client/log.h>
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#include <pinos/server/node.h>
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#include "spa-v4l2-monitor.h"
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typedef struct
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{
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PinosSpaV4l2Monitor this;
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PinosObject object;
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PinosCore *core;
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SpaHandle *handle;
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GHashTable *nodes;
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} PinosSpaV4l2MonitorImpl;
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static SpaResult
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make_handle (PinosCore *core,
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SpaHandle **handle,
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const char *lib,
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const char *name,
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const SpaDict *info)
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{
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SpaResult res;
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void *hnd, *state = NULL;
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SpaEnumHandleFactoryFunc enum_func;
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if ((hnd = dlopen (lib, RTLD_NOW)) == NULL) {
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pinos_log_error ("can't load %s: %s", lib, dlerror());
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return SPA_RESULT_ERROR;
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}
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if ((enum_func = dlsym (hnd, "spa_enum_handle_factory")) == NULL) {
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pinos_log_error ("can't find enum function");
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return SPA_RESULT_ERROR;
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}
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while (true) {
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const SpaHandleFactory *factory;
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if ((res = enum_func (&factory, &state)) < 0) {
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if (res != SPA_RESULT_ENUM_END)
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pinos_log_error ("can't enumerate factories: %d", res);
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break;
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}
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if (strcmp (factory->name, name))
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continue;
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*handle = calloc (1, factory->size);
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if ((res = spa_handle_factory_init (factory,
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*handle,
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info,
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core->support,
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core->n_support)) < 0) {
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pinos_log_error ("can't make factory instance: %d", res);
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return res;
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}
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return SPA_RESULT_OK;
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}
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return SPA_RESULT_ERROR;
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}
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static void
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add_item (PinosSpaV4l2Monitor *this, SpaMonitorItem *item)
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{
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PinosSpaV4l2MonitorImpl *impl = SPA_CONTAINER_OF (this, PinosSpaV4l2MonitorImpl, this);
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SpaResult res;
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SpaHandle *handle;
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PinosNode *node;
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void *node_iface;
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void *clock_iface;
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PinosProperties *props = NULL;
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pinos_log_debug ("v4l2-monitor %p: add: \"%s\" (%s)", this, item->name, item->id);
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handle = calloc (1, item->factory->size);
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if ((res = spa_handle_factory_init (item->factory,
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handle,
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item->info,
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impl->core->support,
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impl->core->n_support)) < 0) {
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pinos_log_error ("can't make factory instance: %d", res);
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return;
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}
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if ((res = spa_handle_get_interface (handle, impl->core->registry.uri.spa_node, &node_iface)) < 0) {
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pinos_log_error ("can't get NODE interface: %d", res);
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return;
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}
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if ((res = spa_handle_get_interface (handle, impl->core->registry.uri.spa_clock, &clock_iface)) < 0) {
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pinos_log_error ("can't get CLOCK interface: %d", res);
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return;
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}
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if (item->info) {
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unsigned int i;
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props = pinos_properties_new (NULL, NULL);
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for (i = 0; i < item->info->n_items; i++)
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pinos_properties_set (props,
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item->info->items[i].key,
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item->info->items[i].value);
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}
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node = pinos_node_new (impl->core,
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item->factory->name,
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node_iface,
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clock_iface,
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props);
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g_hash_table_insert (impl->nodes, strdup (item->id), node);
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}
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static void
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remove_item (PinosSpaV4l2Monitor *this, SpaMonitorItem *item)
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{
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PinosSpaV4l2MonitorImpl *impl = SPA_CONTAINER_OF (this, PinosSpaV4l2MonitorImpl, this);
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PinosNode *node;
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pinos_log_debug ("v4l2-monitor %p: remove: \"%s\" (%s)", this, item->name, item->id);
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node = g_hash_table_lookup (impl->nodes, item->id);
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if (node) {
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pinos_node_destroy (node);
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g_hash_table_remove (impl->nodes, item->id);
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}
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}
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static void
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on_monitor_event (SpaMonitor *monitor,
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SpaMonitorEvent *event,
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void *user_data)
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{
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PinosSpaV4l2Monitor *this = user_data;
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switch (event->type) {
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case SPA_MONITOR_EVENT_TYPE_ADDED:
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{
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SpaMonitorItem *item = (SpaMonitorItem *) event;
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add_item (this, item);
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break;
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}
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case SPA_MONITOR_EVENT_TYPE_REMOVED:
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{
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SpaMonitorItem *item = (SpaMonitorItem *) event;
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remove_item (this, item);
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}
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case SPA_MONITOR_EVENT_TYPE_CHANGED:
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{
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SpaMonitorItem *item = (SpaMonitorItem *) event;
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pinos_log_debug ("v4l2-monitor %p: changed: \"%s\"", this, item->name);
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break;
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}
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default:
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break;
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}
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}
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static void
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monitor_destroy (PinosObject * object)
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{
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PinosSpaV4l2MonitorImpl *impl = SPA_CONTAINER_OF (object, PinosSpaV4l2MonitorImpl, object);
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PinosSpaV4l2Monitor *this = &impl->this;
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pinos_log_debug ("spa-monitor %p: dispose", this);
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spa_handle_clear (impl->handle);
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free (impl->handle);
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g_hash_table_unref (impl->nodes);
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free (impl);
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}
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PinosSpaV4l2Monitor *
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pinos_spa_v4l2_monitor_new (PinosCore *core)
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{
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PinosSpaV4l2MonitorImpl *impl;
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PinosSpaV4l2Monitor *this;
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SpaHandle *handle;
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SpaResult res;
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void *iface;
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void *state = NULL;
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if ((res = make_handle (core,
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&handle,
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"build/spa/plugins/v4l2/libspa-v4l2.so",
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"v4l2-monitor",
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NULL)) < 0) {
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pinos_log_error ("can't create v4l2-monitor: %d", res);
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return NULL;
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}
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if ((res = spa_handle_get_interface (handle,
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core->registry.uri.spa_monitor,
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&iface)) < 0) {
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free (handle);
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pinos_log_error ("can't get MONITOR interface: %d", res);
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return NULL;
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}
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impl = calloc (1, sizeof (PinosSpaV4l2MonitorImpl));
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impl->core = core;
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pinos_object_init (&impl->object,
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core->registry.uri.monitor,
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impl,
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monitor_destroy);
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this = &impl->this;
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this->monitor = iface;
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impl->nodes = g_hash_table_new_full (g_str_hash,
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g_str_equal,
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g_free,
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g_object_unref);
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while (TRUE) {
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SpaMonitorItem *item;
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SpaResult res;
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if ((res = spa_monitor_enum_items (this->monitor, &item, &state)) < 0) {
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if (res != SPA_RESULT_ENUM_END)
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pinos_log_debug ("spa_monitor_enum_items: got error %d\n", res);
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break;
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}
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add_item (this, item);
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}
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spa_monitor_set_event_callback (this->monitor, on_monitor_event, this);
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pinos_registry_add_object (&core->registry, &impl->object);
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return this;
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}
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