mpd/src/despotify_utils.c
Simon Kagstrom eec77b3ae7 despotify: Add support utilities
Used to connect and authenticate to despotify. Provides a singleton
session and a desptoify-track-to-tags function.
2011-03-29 17:01:16 +02:00

122 lines
3.0 KiB
C

#include <glib.h>
#include <despotify.h>
#include "tag.h"
#include "conf.h"
#include "despotify_utils.h"
static struct despotify_session *g_session;
static void (*registered_callbacks[8])(struct despotify_session *,
int, void *, void *);
static void *registered_callback_data[8];
static void callback(struct despotify_session* ds, int sig,
void* data, G_GNUC_UNUSED void* callback_data)
{
size_t i;
for (i = 0; i < sizeof(registered_callbacks) / sizeof(registered_callbacks[0]); i++) {
void (*cb)(struct despotify_session *, int, void *, void *) = registered_callbacks[i];
void *cb_data = registered_callback_data[i];
if (cb)
cb(ds, sig, data, cb_data);
}
}
bool mpd_despotify_register_callback(void (*cb)(struct despotify_session *, int, void *, void *),
void *cb_data)
{
size_t i;
for (i = 0; i < sizeof(registered_callbacks) / sizeof(registered_callbacks[0]); i++) {
if (!registered_callbacks[i]) {
registered_callbacks[i] = cb;
registered_callback_data[i] = cb_data;
return true;
}
}
return false;
}
void mpd_despotify_unregister_callback(void (*cb)(struct despotify_session *, int, void *, void *))
{
size_t i;
for (i = 0; i < sizeof(registered_callbacks) / sizeof(registered_callbacks[0]); i++) {
if (registered_callbacks[i] == cb) {
registered_callbacks[i] = NULL;
}
}
}
struct tag *mpd_despotify_tag_from_track(struct ds_track *track)
{
char tracknum[20];
char comment[80];
char date[20];
struct tag *tag;
tag = tag_new();
if (!track->has_meta_data)
return tag;
g_snprintf(tracknum, sizeof(tracknum), "%d", track->tracknumber);
g_snprintf(date, sizeof(date), "%d", track->year);
g_snprintf(comment, sizeof(comment), "Bitrate %d Kbps, %sgeo restricted",
track->file_bitrate / 1000, track->geo_restricted ? "" : "not ");
tag_add_item(tag, TAG_TITLE, track->title);
tag_add_item(tag, TAG_ARTIST, track->artist->name);
tag_add_item(tag, TAG_TRACK, tracknum);
tag_add_item(tag, TAG_ALBUM, track->album);
tag_add_item(tag, TAG_DATE, date);
tag_add_item(tag, TAG_COMMENT, comment);
tag->time = track->length / 1000;
return tag;
}
struct despotify_session *mpd_despotify_get_session(void)
{
const char *user;
const char *passwd;
bool high_bitrate;
if (g_session)
return g_session;
user = config_get_string(CONF_DESPOTIFY_USER, NULL);
passwd = config_get_string(CONF_DESPOTIFY_PASSWORD, NULL);
high_bitrate = config_get_bool(CONF_DESPOTIFY_HIGH_BITRATE, true);
if (user == NULL || passwd == NULL) {
g_debug("disabling despotify because account is not configured");
return NULL;
}
if (!despotify_init()) {
g_debug("Can't initialize despotify\n");
return false;
}
g_session = despotify_init_client(callback, NULL,
high_bitrate, true);
if (!g_session) {
g_debug("Can't initialize despotify client\n");
return false;
}
if (!despotify_authenticate(g_session, user, passwd)) {
g_debug("Can't authenticate despotify session\n");
despotify_exit(g_session);
return false;
}
return g_session;
}