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authorSimon Kagstrom <simon.kagstrom@gmail.com>2011-03-27 08:41:26 +0200
committerMax Kellermann <max@duempel.org>2011-03-29 17:01:16 +0200
commita25743875f98f53bbd3c0d8729434b1c647f2d27 (patch)
treeb7556250ce90f9567d549129b9fb992715cf7d3d /src/playlist/despotify_playlist_plugin.c
parent124d1a594202319d254c41d1e568d869ea74dafb (diff)
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playlist: Add despotify playlist plugin
For spotify playlists or tracks. Uses a spt uri, so with mpc you can add playlists with mpc load spt://spotify:user:simon.kagstrom:playlist:3SUwkOe5VbVHysZcidEZtH
Diffstat (limited to 'src/playlist/despotify_playlist_plugin.c')
-rw-r--r--src/playlist/despotify_playlist_plugin.c216
1 files changed, 216 insertions, 0 deletions
diff --git a/src/playlist/despotify_playlist_plugin.c b/src/playlist/despotify_playlist_plugin.c
new file mode 100644
index 000000000..0646de966
--- /dev/null
+++ b/src/playlist/despotify_playlist_plugin.c
@@ -0,0 +1,216 @@
+/*
+ * Copyright (C) 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.
+ */
+#include "config.h"
+#include "playlist/despotify_playlist_plugin.h"
+#include "playlist_plugin.h"
+#include "playlist_list.h"
+#include "conf.h"
+#include "uri.h"
+#include "tag.h"
+#include "song.h"
+#include "input_stream.h"
+#include "glib_compat.h"
+#include "despotify_utils.h"
+
+#include <glib.h>
+
+#include <assert.h>
+#include <string.h>
+#include <stdlib.h>
+#include <despotify.h>
+
+struct despotify_playlist {
+ struct playlist_provider base;
+
+ struct despotify_session *session;
+ GSList *list;
+};
+
+static void
+add_song(struct despotify_playlist *ctx, struct ds_track *track)
+{
+ const char *dsp_scheme = despotify_playlist_plugin.schemes[0];
+ struct song *song;
+ char uri[128];
+ char *ds_uri;
+
+ /* Create a spt://... URI for MPD */
+ g_snprintf(uri, sizeof(uri), "%s://", dsp_scheme);
+ ds_uri = uri + strlen(dsp_scheme) + 3;
+
+ if (despotify_track_to_uri(track, ds_uri) != ds_uri) {
+ /* Should never really fail, but let's be sure */
+ g_debug("Can't add track %s\n", track->title);
+ return;
+ }
+
+ song = song_remote_new(uri);
+ song->tag = mpd_despotify_tag_from_track(track);
+
+ ctx->list = g_slist_prepend(ctx->list, song);
+}
+
+static bool
+parse_track(struct despotify_playlist *ctx,
+ struct ds_link *link)
+{
+ struct ds_track *track;
+
+ track = despotify_link_get_track(ctx->session, link);
+ if (!track)
+ return false;
+ add_song(ctx, track);
+
+ return true;
+}
+
+static bool
+parse_playlist(struct despotify_playlist *ctx,
+ struct ds_link *link)
+{
+ struct ds_playlist *playlist;
+ struct ds_track *track;
+
+ playlist = despotify_link_get_playlist(ctx->session, link);
+ if (!playlist)
+ return false;
+
+ for (track = playlist->tracks; track; track = track->next)
+ add_song(ctx, track);
+
+ return true;
+}
+
+static bool
+despotify_playlist_init(G_GNUC_UNUSED const struct config_param *param)
+{
+ return mpd_despotify_get_session() != NULL;
+}
+
+static void
+despotify_playlist_finish(void)
+{
+}
+
+
+static struct playlist_provider *
+despotify_playlist_open_uri(const char *url)
+{
+ struct despotify_playlist *ctx;
+ struct despotify_session *session;
+ struct ds_link *link;
+ bool parse_result;
+
+ session = mpd_despotify_get_session();
+ if (!session)
+ goto clean_none;
+
+ /* Get link without spt:// */
+ link = despotify_link_from_uri(url + strlen(despotify_playlist_plugin.schemes[0]) + 3);
+ if (!link) {
+ g_debug("Can't find %s\n", url);
+ goto clean_none;
+ }
+
+ ctx = g_new(struct despotify_playlist, 1);
+
+ ctx->list = NULL;
+ ctx->session = session;
+ playlist_provider_init(&ctx->base, &despotify_playlist_plugin);
+
+ switch (link->type)
+ {
+ case LINK_TYPE_TRACK:
+ parse_result = parse_track(ctx, link);
+ break;
+ case LINK_TYPE_PLAYLIST:
+ parse_result = parse_playlist(ctx, link);
+ break;
+ default:
+ parse_result = false;
+ break;
+ }
+ despotify_free_link(link);
+ if (!parse_result)
+ goto clean_playlist;
+
+ ctx->list = g_slist_reverse(ctx->list);
+
+ return &ctx->base;
+
+clean_playlist:
+ g_slist_free(ctx->list);
+clean_none:
+
+ return NULL;
+}
+
+static void
+track_free_callback(gpointer data, G_GNUC_UNUSED gpointer user_data)
+{
+ struct song *song = (struct song *)data;
+
+ song_free(song);
+}
+
+static void
+despotify_playlist_close(struct playlist_provider *_playlist)
+{
+ struct despotify_playlist *ctx = (struct despotify_playlist *)_playlist;
+
+ g_slist_foreach(ctx->list, track_free_callback, NULL);
+ g_slist_free(ctx->list);
+
+ g_free(ctx);
+}
+
+
+static struct song *
+despotify_playlist_read(struct playlist_provider *_playlist)
+{
+ struct despotify_playlist *ctx = (struct despotify_playlist *)_playlist;
+ struct song *out;
+
+ if (!ctx->list)
+ return NULL;
+
+ /* Remove the current track */
+ out = ctx->list->data;
+ ctx->list = g_slist_remove(ctx->list, out);
+
+ return out;
+}
+
+
+static const char *const despotify_schemes[] = {
+ "spt",
+ NULL
+};
+
+const struct playlist_plugin despotify_playlist_plugin = {
+ .name = "despotify",
+
+ .init = despotify_playlist_init,
+ .finish = despotify_playlist_finish,
+ .open_uri = despotify_playlist_open_uri,
+ .read = despotify_playlist_read,
+ .close = despotify_playlist_close,
+
+ .schemes = despotify_schemes,
+};