Used to connect and authenticate to despotify. Provides a singleton
session and a desptoify-track-to-tags function.
---
src/conf.c | 3 +
src/conf.h | 3 +
src/despotify_utils.c | 121 +++++++++++++++++++++++++++++++++++++++++++++++++
src/despotify_utils.h | 67 +++++++++++++++++++++++++++
4 files changed, 194 insertions(+), 0 deletions(-)
create mode 100644 src/despotify_utils.c
create mode 100644 src/despotify_utils.h
diff --git a/src/conf.c b/src/conf.c
index 4194116..fa05610 100644
--- a/src/conf.c
+++ b/src/conf.c
@@ -99,6 +99,9 @@ static struct config_entry config_entries[] = {
{ .name = CONF_PLAYLIST_PLUGIN, true, true },
{ .name = CONF_AUTO_UPDATE, false, false },
{ .name = CONF_AUTO_UPDATE_DEPTH, false, false },
+ { .name = CONF_DESPOTIFY_USER, false, false },
+ { .name = CONF_DESPOTIFY_PASSWORD, false, false},
+ { .name = CONF_DESPOTIFY_HIGH_BITRATE, false, false },
{ .name = "filter", true, true },
};
diff --git a/src/conf.h b/src/conf.h
index 6ac21de..c26ff69 100644
--- a/src/conf.h
+++ b/src/conf.h
@@ -72,6 +72,9 @@
#define CONF_PLAYLIST_PLUGIN "playlist_plugin"
#define CONF_AUTO_UPDATE "auto_update"
#define CONF_AUTO_UPDATE_DEPTH "auto_update_depth"
+#define CONF_DESPOTIFY_USER "despotify_user"
+#define CONF_DESPOTIFY_PASSWORD "despotify_password"
+#define CONF_DESPOTIFY_HIGH_BITRATE "despotify_high_bitrate"
#define DEFAULT_PLAYLIST_MAX_LENGTH (1024*16)
#define DEFAULT_PLAYLIST_SAVE_ABSOLUTE_PATHS false
diff --git a/src/despotify_utils.c b/src/despotify_utils.c
new file mode 100644
index 0000000..7555d10
--- /dev/null
+++ b/src/despotify_utils.c
@@ -0,0 +1,121 @@
+#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;
+}
diff --git a/src/despotify_utils.h b/src/despotify_utils.h
new file mode 100644
index 0000000..7e35edc
--- /dev/null
+++ b/src/despotify_utils.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2003-2011 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef MPD_DESPOTIFY_H
+#define MPD_DESPOTIFY_H
+
+struct despotify_session;
+struct ds_track;
+
+/**
+ * Return the current despotify session.
+ *
+ * If the session isn't initialized, this function will initialize
+ * it and connect to Spotify.
+ *
+ * @return a pointer to the despotify session, or NULL if it can't
+ * be initialized (e.g., if the configuration isn't supplied)
+ */
+struct despotify_session *mpd_despotify_get_session(void);
+
+/**
+ * Create a MPD tags structure from a spotify track
+ *
+ * @param track the track to convert
+ *
+ * @return a pointer to the filled in tags structure
+ */
+struct tag *mpd_despotify_tag_from_track(struct ds_track *track);
+
+/**
+ * Register a despotify callback.
+ *
+ * Despotify calls this e.g., when a track ends.
+ *
+ * @param cb the callback
+ * @param cb_data the data to pass to the callback
+ *
+ * @return true if the callback could be registered
+ */
+bool mpd_despotify_register_callback(void (*cb)(struct despotify_session *,
int, void *, void *),
+ void *cb_data);
+
+/**
+ * Unregister a despotify callback.
+ *
+ * @param cb the callback to unregister.
+ */
+void mpd_despotify_unregister_callback(void (*cb)(struct despotify_session *,
int, void *, void *));
+
+#endif
+
--
1.7.1
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