#include <errno.h>
static int OpenV4L (vlc_object_t *);
+static int OpenALSA (vlc_object_t *);
static int OpenDisc (vlc_object_t *);
static void Close (vlc_object_t *);
+static int vlc_sd_probe_Open (vlc_object_t *);
/*
* Module descriptor
*/
vlc_module_begin ()
- set_shortname (N_("Devices"))
- set_description (N_("Capture devices"))
+ set_shortname (N_("Video capture"))
+ set_description (N_("Video capture (Video4Linux)"))
set_category (CAT_PLAYLIST)
set_subcategory (SUBCAT_PLAYLIST_SD)
set_capability ("services_discovery", 0)
set_callbacks (OpenV4L, Close)
add_shortcut ("v4l")
+ add_submodule ()
+ set_shortname (N_("Audio capture"))
+ set_description (N_("Audio capture (ALSA)"))
+ set_category (CAT_PLAYLIST)
+ set_subcategory (SUBCAT_PLAYLIST_SD)
+ set_capability ("services_discovery", 0)
+ set_callbacks (OpenALSA, Close)
+ add_shortcut ("alsa")
+
add_submodule ()
set_shortname (N_("Discs"))
set_description (N_("Discs"))
set_callbacks (OpenDisc, Close)
add_shortcut ("disc")
+ VLC_SD_PROBE_SUBMODULE
+
vlc_module_end ()
+static int vlc_sd_probe_Open (vlc_object_t *obj)
+{
+ vlc_probe_t *probe = (vlc_probe_t *)obj;
+
+ struct udev *udev = udev_new ();
+ if (udev == NULL)
+ return VLC_PROBE_CONTINUE;
+
+ struct udev_monitor *mon = udev_monitor_new_from_netlink (udev, "udev");
+ if (mon != NULL)
+ {
+ vlc_sd_probe_Add (probe, "v4l{longname=\"Video capture\"}",
+ N_("Video capture"), SD_CAT_DEVICES);
+ vlc_sd_probe_Add (probe, "alsa{longname=\"Audio capture\"}",
+ N_("Audio capture"), SD_CAT_DEVICES);
+ vlc_sd_probe_Add (probe, "disc{longname=\"Discs\"}", N_("Discs"),
+ SD_CAT_DEVICES);
+ udev_monitor_unref (mon);
+ }
+ udev_unref (udev);
+ return VLC_PROBE_CONTINUE;
+}
+
struct device
{
dev_t devnum; /* must be first */
return decode (udev_device_get_property_value (dev, name));
}
+
/*** Video4Linux support ***/
static bool is_v4l_legacy (struct udev_device *dev)
{
return Open (obj, &subsys);
}
+
+#ifdef HAVE_ALSA
+/*** Advanced Linux Sound Architecture support ***/
+#include <alsa/asoundlib.h>
+
+static int alsa_get_device (struct udev_device *dev, unsigned *restrict pcard,
+ unsigned *restrict pdevice)
+{
+ const char *node = udev_device_get_devpath (dev);
+ char type;
+
+ node = strrchr (node, '/');
+ if (node == NULL)
+ return -1;
+ if (sscanf (node, "/pcmC%uD%u%c", pcard, pdevice, &type) < 3)
+ return -1;
+ if (type != 'c')
+ return -1;
+ return 0;
+}
+
+
+static char *alsa_get_mrl (struct udev_device *dev)
+{
+ /* Determine media location */
+ char *mrl;
+ unsigned card, device;
+
+ if (alsa_get_device (dev, &card, &device))
+ return NULL;
+
+ if (asprintf (&mrl, "alsa://plughw:%u,%u", card, device) == -1)
+ mrl = NULL;
+ return mrl;
+}
+
+static char *alsa_get_name (struct udev_device *dev)
+{
+ char *name = NULL;
+ unsigned card, device;
+
+ if (alsa_get_device (dev, &card, &device))
+ return NULL;
+
+ char card_name[4 + 3 * sizeof (int)];
+ snprintf (card_name, sizeof (card_name), "hw:%u", card);
+
+ snd_ctl_t *ctl;
+ if (snd_ctl_open (&ctl, card_name, 0))
+ return NULL;
+
+ snd_pcm_info_t *pcm_info;
+ snd_pcm_info_alloca (&pcm_info);
+ snd_pcm_info_set_device (pcm_info, device);
+ snd_pcm_info_set_subdevice (pcm_info, 0);
+ snd_pcm_info_set_stream (pcm_info, SND_PCM_STREAM_CAPTURE);
+ if (snd_ctl_pcm_info (ctl, pcm_info))
+ goto out;
+
+ name = strdup (snd_pcm_info_get_name (pcm_info));
+out:
+ snd_ctl_close (ctl);
+ return name;
+}
+
+static char *alsa_get_cat (struct udev_device *dev)
+{
+ const char *vnd;
+
+ dev = udev_device_get_parent (dev);
+ if (dev == NULL)
+ return NULL;
+
+ vnd = udev_device_get_property_value (dev, "ID_VENDOR_FROM_DATABASE");
+ if (vnd == NULL)
+ /* FIXME: USB may take time to settle... the parent device */
+ vnd = udev_device_get_property_value (dev, "ID_BUS");
+ return vnd ? strdup (vnd) : NULL;
+}
+
+int OpenALSA (vlc_object_t *obj)
+{
+ static const struct subsys subsys = {
+ "sound", alsa_get_mrl, alsa_get_name, alsa_get_cat, ITEM_TYPE_CARD,
+ };
+
+ return Open (obj, &subsys);
+}
+#endif /* HAVE_ALSA */
+
+
/*** Discs support ***/
static char *disc_get_mrl (struct udev_device *dev)
{
return NULL; /* Ignore non-optical block devices */
val = udev_device_get_property_value (dev, "ID_CDROM_MEDIA_STATE");
- if ((val == NULL) || !strcmp (val, "blank"))
+ if (val && !strcmp (val, "blank"))
return NULL; /* ignore empty drives and virgin recordable discs */
- const char *scheme = "file";
+ const char *scheme = NULL;
val = udev_device_get_property_value (dev,
"ID_CDROM_MEDIA_TRACK_COUNT_AUDIO");
if (val && atoi (val))
scheme = "cdda"; /* Audio CD rather than file system */
-#if 0 /* we can use file:// for DVDs */
val = udev_device_get_property_value (dev, "ID_CDROM_MEDIA_DVD");
if (val && atoi (val))
scheme = "dvd";
-#endif
+
val = udev_device_get_property_value (dev, "ID_CDROM_MEDIA_BD");
if (val && atoi (val))
scheme = "bd";
scheme = "hddvd";
#endif
+ /* We didn't get any property that could tell we have optical disc
+ that we can play */
+ if (scheme == NULL)
+ return NULL;
+
val = udev_device_get_devnode (dev);
char *mrl;
static char *disc_get_cat (struct udev_device *dev)
{
- const char *val;
- const char *cat = "Unknown";
+ struct udev_list_entry *list, *entry;
- val = udev_device_get_property_value (dev, "ID_CDROM_MEDIA_CD");
- if (val && atoi (val))
- cat = "CD";
- val = udev_device_get_property_value (dev, "ID_CDROM_MEDIA_DVD");
- if (val && atoi (val))
- cat = "DVD";
- val = udev_device_get_property_value (dev, "ID_CDROM_MEDIA_BD");
- if (val && atoi (val))
- cat = "Blue-ray disc";
- val = udev_device_get_property_value (dev, "ID_CDROM_MEDIA_HDDVD");
- if (val && atoi (val))
- cat = "HD DVD";
+ list = udev_device_get_properties_list_entry (dev);
+ if (unlikely(list == NULL))
+ return NULL;
+
+ const char *cat = NULL;
+ udev_list_entry_foreach (entry, list)
+ {
+ const char *name = udev_list_entry_get_name (entry);
+
+ if (strncmp (name, "ID_CDROM_MEDIA_", 15))
+ continue;
+ if (!atoi (udev_list_entry_get_value (entry)))
+ continue;
+ name += 15;
+
+ if (!strncmp (name, "CD", 2))
+ cat = N_("CD");
+ else if (!strncmp (name, "DVD", 3))
+ cat = N_("DVD");
+ else if (!strncmp (name, "BD", 2))
+ cat = N_("Blu-Ray");
+ else if (!strncmp (name, "HDDVD", 5))
+ cat = N_("HD DVD");
+
+ if (cat != NULL)
+ break;
+ }
- return strdup (cat);
+ if (cat == NULL)
+ cat = N_("Unknown type");
+ return strdup (vlc_gettext (cat));
}
int OpenDisc (vlc_object_t *obj)
projects / vlc / blobdiff