Work on event loop

Make a new epoll based event loop and use it for the data tranport.
Simplify the spa event api a little and rename to SpaLoop
This commit is contained in:
Wim Taymans 2016-11-18 17:46:01 +01:00
parent 0d2fa5ebc8
commit ae93f15965
33 changed files with 1286 additions and 954 deletions

View file

@ -22,13 +22,12 @@
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <poll.h>
#include <libudev.h>
#include <spa/log.h>
#include <spa/id-map.h>
#include <spa/poll.h>
#include <spa/loop.h>
#include <spa/monitor.h>
#include <lib/debug.h>
@ -54,7 +53,7 @@ struct _SpaV4l2Monitor {
URI uri;
SpaIDMap *map;
SpaLog *log;
SpaPoll *main_loop;
SpaLoop *main_loop;
SpaMonitorEventCallback event_cb;
void *user_data;
@ -65,9 +64,7 @@ struct _SpaV4l2Monitor {
V4l2Item uitem;
int fd;
SpaPollFd fds[1];
SpaPollItem poll;
SpaSource source;
};
static SpaResult
@ -180,19 +177,18 @@ fill_item (V4l2Item *item, struct udev_device *udevice)
}
static int
v4l2_on_fd_events (SpaPollNotifyData *data)
static void
v4l2_on_fd_events (SpaSource *source)
{
SpaV4l2Monitor *this = data->user_data;
SpaV4l2Monitor *this = source->data;
struct udev_device *dev;
const char *action;
SpaMonitorItem *item;
dev = udev_monitor_receive_device (this->umonitor);
fill_item (&this->uitem, dev);
if (dev == NULL)
return 0;
return;
if ((action = udev_device_get_action (dev)) == NULL)
action = "change";
@ -208,8 +204,6 @@ v4l2_on_fd_events (SpaPollNotifyData *data)
}
item->event.size = sizeof (this->uitem);
this->event_cb (&this->monitor, &item->event, this->user_data);
return 0;
}
static SpaResult
@ -241,23 +235,14 @@ spa_v4l2_monitor_set_event_callback (SpaMonitor *monitor,
NULL);
udev_monitor_enable_receiving (this->umonitor);
this->fd = udev_monitor_get_fd (this->umonitor);;
this->source.func = v4l2_on_fd_events;
this->source.data = this;
this->source.fd = udev_monitor_get_fd (this->umonitor);;
this->source.mask = SPA_IO_IN | SPA_IO_ERR;
this->fds[0].fd = this->fd;
this->fds[0].events = POLLIN | POLLPRI | POLLERR;
this->fds[0].revents = 0;
this->poll.id = 0;
this->poll.enabled = true;
this->poll.fds = this->fds;
this->poll.n_fds = 1;
this->poll.idle_cb = NULL;
this->poll.before_cb = NULL;
this->poll.after_cb = v4l2_on_fd_events;
this->poll.user_data = this;
spa_poll_add_item (this->main_loop, &this->poll);
spa_loop_add_source (this->main_loop, &this->source);
} else {
spa_poll_remove_item (this->main_loop, &this->poll);
spa_loop_remove_source (this->main_loop, &this->source);
}
return SPA_RESULT_OK;
@ -372,7 +357,7 @@ v4l2_monitor_init (const SpaHandleFactory *factory,
this->map = support[i].data;
else if (strcmp (support[i].uri, SPA_LOG_URI) == 0)
this->log = support[i].data;
else if (strcmp (support[i].uri, SPA_POLL__MainLoop) == 0)
else if (strcmp (support[i].uri, SPA_LOOP__MainLoop) == 0)
this->main_loop = support[i].data;
}
if (this->map == NULL) {