diff options
Diffstat (limited to 'src/playlist')
| -rw-r--r-- | src/playlist/asx_playlist_plugin.c | 322 | ||||
| -rw-r--r-- | src/playlist/asx_playlist_plugin.h | 25 | ||||
| -rw-r--r-- | src/playlist/cue_playlist_plugin.c | 140 | ||||
| -rw-r--r-- | src/playlist/cue_playlist_plugin.h | 25 | ||||
| -rw-r--r-- | src/playlist/extm3u_playlist_plugin.c | 161 | ||||
| -rw-r--r-- | src/playlist/extm3u_playlist_plugin.h | 25 | ||||
| -rw-r--r-- | src/playlist/flac_playlist_plugin.c | 170 | ||||
| -rw-r--r-- | src/playlist/flac_playlist_plugin.h | 25 | ||||
| -rw-r--r-- | src/playlist/lastfm_playlist_plugin.c | 312 | ||||
| -rw-r--r-- | src/playlist/lastfm_playlist_plugin.h | 25 | ||||
| -rw-r--r-- | src/playlist/m3u_playlist_plugin.c | 92 | ||||
| -rw-r--r-- | src/playlist/m3u_playlist_plugin.h | 25 | ||||
| -rw-r--r-- | src/playlist/pls_playlist_plugin.c | 219 | ||||
| -rw-r--r-- | src/playlist/pls_playlist_plugin.h | 25 | ||||
| -rw-r--r-- | src/playlist/xspf_playlist_plugin.c | 342 | ||||
| -rw-r--r-- | src/playlist/xspf_playlist_plugin.h | 25 |
16 files changed, 1958 insertions, 0 deletions
diff --git a/src/playlist/asx_playlist_plugin.c b/src/playlist/asx_playlist_plugin.c new file mode 100644 index 000000000..39513e710 --- /dev/null +++ b/src/playlist/asx_playlist_plugin.c @@ -0,0 +1,322 @@ +/* + * Copyright (C) 2003-2010 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/asx_playlist_plugin.h" +#include "playlist_plugin.h" +#include "input_stream.h" +#include "song.h" +#include "tag.h" + +#include <glib.h> + +#include <assert.h> +#include <string.h> + +#undef G_LOG_DOMAIN +#define G_LOG_DOMAIN "asx" + +/** + * This is the state object for the GLib XML parser. + */ +struct asx_parser { + /** + * The list of songs (in reverse order because that's faster + * while adding). + */ + GSList *songs; + + /** + * The current position in the XML file. + */ + enum { + ROOT, ENTRY, + } state; + + /** + * The current tag within the "entry" element. This is only + * valid if state==ENTRY. TAG_NUM_OF_ITEM_TYPES means there + * is no (known) tag. + */ + enum tag_type tag; + + /** + * The current song. It is allocated after the "location" + * element. + */ + struct song *song; +}; + +static const gchar * +get_attribute(const gchar **attribute_names, const gchar **attribute_values, + const gchar *name) +{ + for (unsigned i = 0; attribute_names[i] != NULL; ++i) + if (g_ascii_strcasecmp(attribute_names[i], name) == 0) + return attribute_values[i]; + + return NULL; +} + +static void +asx_start_element(G_GNUC_UNUSED GMarkupParseContext *context, + const gchar *element_name, + const gchar **attribute_names, + const gchar **attribute_values, + gpointer user_data, G_GNUC_UNUSED GError **error) +{ + struct asx_parser *parser = user_data; + + switch (parser->state) { + case ROOT: + if (g_ascii_strcasecmp(element_name, "entry") == 0) { + parser->state = ENTRY; + parser->song = song_remote_new("asx:"); + parser->tag = TAG_NUM_OF_ITEM_TYPES; + } + + break; + + case ENTRY: + if (g_ascii_strcasecmp(element_name, "ref") == 0) { + const gchar *href = get_attribute(attribute_names, + attribute_values, + "href"); + if (href != NULL) { + /* create new song object, and copy + the existing tag over; we cannot + replace the existing song's URI, + because that attribute is + immutable */ + struct song *song = song_remote_new(href); + + if (parser->song != NULL) { + song->tag = parser->song->tag; + parser->song->tag = NULL; + song_free(parser->song); + } + + parser->song = song; + } + } else if (g_ascii_strcasecmp(element_name, "author") == 0) + /* is that correct? or should it be COMPOSER + or PERFORMER? */ + parser->tag = TAG_ARTIST; + else if (g_ascii_strcasecmp(element_name, "title") == 0) + parser->tag = TAG_TITLE; + + break; + } +} + +static void +asx_end_element(G_GNUC_UNUSED GMarkupParseContext *context, + const gchar *element_name, + gpointer user_data, G_GNUC_UNUSED GError **error) +{ + struct asx_parser *parser = user_data; + + switch (parser->state) { + case ROOT: + break; + + case ENTRY: + if (g_ascii_strcasecmp(element_name, "entry") == 0) { + if (strcmp(parser->song->uri, "asx:") != 0) + parser->songs = g_slist_prepend(parser->songs, + parser->song); + else + song_free(parser->song); + + parser->state = ROOT; + } else + parser->tag = TAG_NUM_OF_ITEM_TYPES; + + break; + } +} + +static void +asx_text(G_GNUC_UNUSED GMarkupParseContext *context, + const gchar *text, gsize text_len, + gpointer user_data, G_GNUC_UNUSED GError **error) +{ + struct asx_parser *parser = user_data; + + switch (parser->state) { + case ROOT: + break; + + case ENTRY: + if (parser->tag != TAG_NUM_OF_ITEM_TYPES) { + if (parser->song->tag == NULL) + parser->song->tag = tag_new(); + tag_add_item_n(parser->song->tag, parser->tag, + text, text_len); + } + + break; + } +} + +static const GMarkupParser asx_parser = { + .start_element = asx_start_element, + .end_element = asx_end_element, + .text = asx_text, +}; + +static void +song_free_callback(gpointer data, G_GNUC_UNUSED gpointer user_data) +{ + struct song *song = data; + + song_free(song); +} + +static void +asx_parser_destroy(gpointer data) +{ + struct asx_parser *parser = data; + + if (parser->state >= ENTRY) + song_free(parser->song); + + g_slist_foreach(parser->songs, song_free_callback, NULL); + g_slist_free(parser->songs); +} + +/* + * The playlist object + * + */ + +struct asx_playlist { + struct playlist_provider base; + + GSList *songs; +}; + +static struct playlist_provider * +asx_open_stream(struct input_stream *is) +{ + struct asx_parser parser = { + .songs = NULL, + .state = ROOT, + }; + struct asx_playlist *playlist; + GMarkupParseContext *context; + char buffer[1024]; + size_t nbytes; + bool success; + GError *error = NULL; + + /* parse the ASX XML file */ + + context = g_markup_parse_context_new(&asx_parser, + G_MARKUP_TREAT_CDATA_AS_TEXT, + &parser, asx_parser_destroy); + + while (true) { + nbytes = input_stream_read(is, buffer, sizeof(buffer), &error); + if (nbytes == 0) { + if (error != NULL) { + g_markup_parse_context_free(context); + g_warning("%s", error->message); + g_error_free(error); + return NULL; + } + + break; + } + + success = g_markup_parse_context_parse(context, buffer, nbytes, + &error); + if (!success) { + g_warning("XML parser failed: %s", error->message); + g_error_free(error); + g_markup_parse_context_free(context); + return NULL; + } + } + + success = g_markup_parse_context_end_parse(context, &error); + if (!success) { + g_warning("XML parser failed: %s", error->message); + g_error_free(error); + g_markup_parse_context_free(context); + return NULL; + } + + /* create a #asx_playlist object from the parsed song list */ + + playlist = g_new(struct asx_playlist, 1); + playlist_provider_init(&playlist->base, &asx_playlist_plugin); + playlist->songs = g_slist_reverse(parser.songs); + parser.songs = NULL; + + g_markup_parse_context_free(context); + + return &playlist->base; +} + +static void +asx_close(struct playlist_provider *_playlist) +{ + struct asx_playlist *playlist = (struct asx_playlist *)_playlist; + + g_slist_foreach(playlist->songs, song_free_callback, NULL); + g_slist_free(playlist->songs); + g_free(playlist); +} + +static struct song * +asx_read(struct playlist_provider *_playlist) +{ + struct asx_playlist *playlist = (struct asx_playlist *)_playlist; + struct song *song; + + if (playlist->songs == NULL) + return NULL; + + song = playlist->songs->data; + playlist->songs = g_slist_remove(playlist->songs, song); + + return song; +} + +static const char *const asx_suffixes[] = { + "asx", + NULL +}; + +static const char *const asx_mime_types[] = { + "video/x-ms-asf", + NULL +}; + +const struct playlist_plugin asx_playlist_plugin = { + .name = "asx", + + .open_stream = asx_open_stream, + .close = asx_close, + .read = asx_read, + + .suffixes = asx_suffixes, + .mime_types = asx_mime_types, +}; diff --git a/src/playlist/asx_playlist_plugin.h b/src/playlist/asx_playlist_plugin.h new file mode 100644 index 000000000..7ce91aa41 --- /dev/null +++ b/src/playlist/asx_playlist_plugin.h @@ -0,0 +1,25 @@ +/* + * Copyright (C) 2003-2010 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_PLAYLIST_ASX_PLAYLIST_PLUGIN_H +#define MPD_PLAYLIST_ASX_PLAYLIST_PLUGIN_H + +extern const struct playlist_plugin asx_playlist_plugin; + +#endif diff --git a/src/playlist/cue_playlist_plugin.c b/src/playlist/cue_playlist_plugin.c new file mode 100644 index 000000000..b22712bc7 --- /dev/null +++ b/src/playlist/cue_playlist_plugin.c @@ -0,0 +1,140 @@ +/* + * Copyright (C) 2003-2010 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/cue_playlist_plugin.h" +#include "playlist_plugin.h" +#include "tag.h" +#include "song.h" +#include "cue/cue_tag.h" + +#include <glib.h> +#include <libcue/libcue.h> +#include <assert.h> +#include <string.h> + +#undef G_LOG_DOMAIN +#define G_LOG_DOMAIN "cue" + +struct cue_playlist { + struct playlist_provider base; + + struct Cd *cd; + + unsigned next; +}; + +static struct playlist_provider * +cue_playlist_open_uri(const char *uri) +{ + struct cue_playlist *playlist; + FILE *file; + struct Cd *cd; + + file = fopen(uri, "rt"); + if (file == NULL) + return NULL; + + cd = cue_parse_file(file); + fclose(file); + if (cd == NULL) + return NULL; + + playlist = g_new(struct cue_playlist, 1); + playlist_provider_init(&playlist->base, &cue_playlist_plugin); + playlist->cd = cd; + playlist->next = 1; + + return &playlist->base; +} + +static void +cue_playlist_close(struct playlist_provider *_playlist) +{ + struct cue_playlist *playlist = (struct cue_playlist *)_playlist; + + cd_delete(playlist->cd); + g_free(playlist); +} + +static struct song * +cue_playlist_read(struct playlist_provider *_playlist) +{ + struct cue_playlist *playlist = (struct cue_playlist *)_playlist; + struct Track *track; + struct tag *tag; + const char *filename; + struct song *song; + + track = cd_get_track(playlist->cd, playlist->next); + if (track == NULL) + return NULL; + + tag = cue_tag(playlist->cd, playlist->next); + if (tag == NULL) + return NULL; + + ++playlist->next; + + filename = track_get_filename(track); + if (*filename == 0 || filename[0] == '.' || + strchr(filename, '/') != NULL) { + /* unsafe characters found, bail out */ + tag_free(tag); + return NULL; + } + + song = song_remote_new(filename); + song->tag = tag; + song->start_ms = ((track_get_start(track) + + track_get_index(track, 1) + - track_get_zero_pre(track)) * 1000) / 75; + + /* append pregap of the next track to the end of this one */ + track = cd_get_track(playlist->cd, playlist->next); + if (track != NULL) + song->end_ms = ((track_get_start(track) + + track_get_index(track, 1) + - track_get_zero_pre(track)) * 1000) / 75; + else + song->end_ms = 0; + + return song; +} + +static const char *const cue_playlist_suffixes[] = { + "cue", + NULL +}; + +static const char *const cue_playlist_mime_types[] = { + "application/x-cue", + NULL +}; + +const struct playlist_plugin cue_playlist_plugin = { + .name = "cue", + + .open_uri = cue_playlist_open_uri, + .close = cue_playlist_close, + .read = cue_playlist_read, + + .suffixes = cue_playlist_suffixes, + .mime_types = cue_playlist_mime_types, +}; diff --git a/src/playlist/cue_playlist_plugin.h b/src/playlist/cue_playlist_plugin.h new file mode 100644 index 000000000..c89ec55c5 --- /dev/null +++ b/src/playlist/cue_playlist_plugin.h @@ -0,0 +1,25 @@ +/* + * Copyright (C) 2003-2010 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_PLAYLIST_CUE_PLAYLIST_PLUGIN_H +#define MPD_PLAYLIST_CUE_PLAYLIST_PLUGIN_H + +extern const struct playlist_plugin cue_playlist_plugin; + +#endif diff --git a/src/playlist/extm3u_playlist_plugin.c b/src/playlist/extm3u_playlist_plugin.c new file mode 100644 index 000000000..9a04aa066 --- /dev/null +++ b/src/playlist/extm3u_playlist_plugin.c @@ -0,0 +1,161 @@ +/* + * Copyright (C) 2003-2010 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/extm3u_playlist_plugin.h" +#include "playlist_plugin.h" +#include "text_input_stream.h" +#include "uri.h" +#include "song.h" +#include "tag.h" + +#include <glib.h> + +#include <string.h> +#include <stdlib.h> + +struct extm3u_playlist { + struct playlist_provider base; + + struct text_input_stream *tis; +}; + +static struct playlist_provider * +extm3u_open_stream(struct input_stream *is) +{ + struct extm3u_playlist *playlist; + const char *line; + + playlist = g_new(struct extm3u_playlist, 1); + playlist->tis = text_input_stream_new(is); + + line = text_input_stream_read(playlist->tis); + if (line == NULL || strcmp(line, "#EXTM3U") != 0) { + /* no EXTM3U header: fall back to the plain m3u + plugin */ + text_input_stream_free(playlist->tis); + g_free(playlist); + return NULL; + } + + playlist_provider_init(&playlist->base, &extm3u_playlist_plugin); + return &playlist->base; +} + +static void +extm3u_close(struct playlist_provider *_playlist) +{ + struct extm3u_playlist *playlist = (struct extm3u_playlist *)_playlist; + + text_input_stream_free(playlist->tis); + g_free(playlist); +} + +/** + * Parse a EXTINF line. + * + * @param line the rest of the input line after the colon + */ +static struct tag * +extm3u_parse_tag(const char *line) +{ + long duration; + char *endptr; + const char *name; + struct tag *tag; + + duration = strtol(line, &endptr, 10); + if (endptr[0] != ',') + /* malformed line */ + return NULL; + + if (duration < 0) + /* 0 means unknown duration */ + duration = 0; + + name = g_strchug(endptr + 1); + if (*name == 0 && duration == 0) + /* no information available; don't allocate a tag + object */ + return NULL; + + tag = tag_new(); + tag->time = duration; + + /* unfortunately, there is no real specification for the + EXTM3U format, so we must assume that the string after the + comma is opaque, and is just the song name*/ + if (*name != 0) + tag_add_item(tag, TAG_NAME, name); + + return tag; +} + +static struct song * +extm3u_read(struct playlist_provider *_playlist) +{ + struct extm3u_playlist *playlist = (struct extm3u_playlist *)_playlist; + struct tag *tag = NULL; + const char *line; + struct song *song; + + do { + line = text_input_stream_read(playlist->tis); + if (line == NULL) { + if (tag != NULL) + tag_free(tag); + return NULL; + } + + if (g_str_has_prefix(line, "#EXTINF:")) { + if (tag != NULL) + tag_free(tag); + tag = extm3u_parse_tag(line + 8); + continue; + } + + while (*line != 0 && g_ascii_isspace(*line)) + ++line; + } while (line[0] == '#' || *line == 0); + + song = song_remote_new(line); + song->tag = tag; + return song; +} + +static const char *const extm3u_suffixes[] = { + "m3u", + NULL +}; + +static const char *const extm3u_mime_types[] = { + "audio/x-mpegurl", + NULL +}; + +const struct playlist_plugin extm3u_playlist_plugin = { + .name = "extm3u", + + .open_stream = extm3u_open_stream, + .close = extm3u_close, + .read = extm3u_read, + + .suffixes = extm3u_suffixes, + .mime_types = extm3u_mime_types, +}; diff --git a/src/playlist/extm3u_playlist_plugin.h b/src/playlist/extm3u_playlist_plugin.h new file mode 100644 index 000000000..fa726c5f6 --- /dev/null +++ b/src/playlist/extm3u_playlist_plugin.h @@ -0,0 +1,25 @@ +/* + * Copyright (C) 2003-2010 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_PLAYLIST_EXTM3U_PLAYLIST_PLUGIN_H +#define MPD_PLAYLIST_EXTM3U_PLAYLIST_PLUGIN_H + +extern const struct playlist_plugin extm3u_playlist_plugin; + +#endif diff --git a/src/playlist/flac_playlist_plugin.c b/src/playlist/flac_playlist_plugin.c new file mode 100644 index 000000000..9d66fb331 --- /dev/null +++ b/src/playlist/flac_playlist_plugin.c @@ -0,0 +1,170 @@ +/* + * Copyright (C) 2003-2010 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/flac_playlist_plugin.h" +#include "playlist_plugin.h" +#include "tag.h" +#include "song.h" +#include "decoder/flac_metadata.h" + +#include <FLAC/metadata.h> + +#include <glib.h> + +#undef G_LOG_DOMAIN +#define G_LOG_DOMAIN "flac" + +#if defined(FLAC_API_VERSION_CURRENT) && FLAC_API_VERSION_CURRENT > 7 + +struct flac_playlist { + struct playlist_provider base; + + char *uri; + + FLAC__StreamMetadata *cuesheet; + FLAC__StreamMetadata streaminfo; + + unsigned next_track; +}; + +static struct playlist_provider * +flac_playlist_open_uri(const char *uri) +{ + if (!g_path_is_absolute(uri)) + /* only local files supported */ + return NULL; + + FLAC__StreamMetadata *cuesheet; + if (!FLAC__metadata_get_cuesheet(uri, &cuesheet)) + return NULL; + + struct flac_playlist *playlist = g_new(struct flac_playlist, 1); + playlist_provider_init(&playlist->base, &flac_playlist_plugin); + + if (!FLAC__metadata_get_streaminfo(uri, &playlist->streaminfo)) { + FLAC__metadata_object_delete(playlist->cuesheet); + g_free(playlist); + return NULL; + } + + playlist->uri = g_strdup(uri); + playlist->cuesheet = cuesheet; + playlist->next_track = 0; + + return &playlist->base; +} + +static void +flac_playlist_close(struct playlist_provider *_playlist) +{ + struct flac_playlist *playlist = (struct flac_playlist *)_playlist; + + g_free(playlist->uri); + FLAC__metadata_object_delete(playlist->cuesheet); + g_free(playlist); +} + +static struct song * +flac_playlist_read(struct playlist_provider *_playlist) +{ + struct flac_playlist *playlist = (struct flac_playlist *)_playlist; + const FLAC__StreamMetadata_CueSheet *cs = + &playlist->cuesheet->data.cue_sheet; + + /* find the next audio track */ + + while (playlist->next_track < cs->num_tracks && + (cs->tracks[playlist->next_track].number > cs->num_tracks || + cs->tracks[playlist->next_track].type != 0)) + ++playlist->next_track; + + if (playlist->next_track >= cs->num_tracks) + return NULL; + + FLAC__uint64 start = cs->tracks[playlist->next_track].offset; + ++playlist->next_track; + FLAC__uint64 end = playlist->next_track < cs->num_tracks + ? cs->tracks[playlist->next_track].offset + : playlist->streaminfo.data.stream_info.total_samples; + + struct song *song = song_file_new(playlist->uri, NULL); + song->start_ms = start * 1000 / + playlist->streaminfo.data.stream_info.sample_rate; + song->end_ms = end * 1000 / + playlist->streaminfo.data.stream_info.sample_rate; + + char track[16]; + g_snprintf(track, sizeof(track), "%u", playlist->next_track); + song->tag = flac_tag_load(playlist->uri, track); + if (song->tag == NULL) + song->tag = tag_new(); + + song->tag->time = end > start + ? ((end - start - 1 + + playlist->streaminfo.data.stream_info.sample_rate) / + playlist->streaminfo.data.stream_info.sample_rate) + : 0; + + tag_clear_items_by_type(song->tag, TAG_TRACK); + tag_add_item(song->tag, TAG_TRACK, track); + + return song; +} + +static const char *const flac_playlist_suffixes[] = { + "flac", + NULL +}; + +static const char *const flac_playlist_mime_types[] = { + "application/flac", + "application/x-flac", + "audio/flac", + "audio/x-flac", + NULL +}; + +const struct playlist_plugin flac_playlist_plugin = { + .name = "flac", + + .open_uri = flac_playlist_open_uri, + .close = flac_playlist_close, + .read = flac_playlist_read, + + .suffixes = flac_playlist_suffixes, + .mime_types = flac_playlist_mime_types, +}; + +#else /* FLAC_API_VERSION_CURRENT <= 7 */ + +static bool +flac_playlist_init(G_GNUC_UNUSED const struct config_param *param) +{ + /* this libFLAC version does not support embedded CUE sheets; + disable this plugin */ + return false; +} + +const struct playlist_plugin flac_playlist_plugin = { + .name = "flac", + .init = flac_playlist_init, +}; + +#endif diff --git a/src/playlist/flac_playlist_plugin.h b/src/playlist/flac_playlist_plugin.h new file mode 100644 index 000000000..7b141264f --- /dev/null +++ b/src/playlist/flac_playlist_plugin.h @@ -0,0 +1,25 @@ +/* + * Copyright (C) 2003-2010 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_PLAYLIST_FLAC_PLAYLIST_PLUGIN_H +#define MPD_PLAYLIST_FLAC_PLAYLIST_PLUGIN_H + +extern const struct playlist_plugin flac_playlist_plugin; + +#endif diff --git a/src/playlist/lastfm_playlist_plugin.c b/src/playlist/lastfm_playlist_plugin.c new file mode 100644 index 000000000..afb3979d9 --- /dev/null +++ b/src/playlist/lastfm_playlist_plugin.c @@ -0,0 +1,312 @@ +/* + * Copyright (C) 2003-2010 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/lastfm_playlist_plugin.h" +#include "playlist_plugin.h" +#include "playlist_list.h" +#include "conf.h" +#include "uri.h" +#include "song.h" +#include "input_stream.h" +#include "glib_compat.h" + +#include <glib.h> + +#include <assert.h> +#include <string.h> + +struct lastfm_playlist { + struct playlist_provider base; + + struct input_stream *is; + + struct playlist_provider *xspf; +}; + +static struct { + char *user; + char *md5; +} lastfm_config; + +static bool +lastfm_init(const struct config_param *param) +{ + const char *user = config_get_block_string(param, "user", NULL); + const char *passwd = config_get_block_string(param, "password", NULL); + + if (user == NULL || passwd == NULL) { + g_debug("disabling the last.fm playlist plugin " + "because account is not configured"); + return false; + } + + lastfm_config.user = g_uri_escape_string(user, NULL, false); + +#if GLIB_CHECK_VERSION(2,16,0) + if (strlen(passwd) != 32) + lastfm_config.md5 = g_compute_checksum_for_string(G_CHECKSUM_MD5, + passwd, strlen(passwd)); + else +#endif + lastfm_config.md5 = g_strdup(passwd); + + return true; +} + +static void +lastfm_finish(void) +{ + g_free(lastfm_config.user); + g_free(lastfm_config.md5); +} + +/** + * Simple data fetcher. + * @param url path or url of data to fetch. + * @return data fetched, or NULL on error. Must be freed with g_free. + */ +static char * +lastfm_get(const char *url) +{ + struct input_stream *input_stream; + GError *error = NULL; + int ret; + char buffer[4096]; + size_t length = 0, nbytes; + + input_stream = input_stream_open(url, &error); + if (input_stream == NULL) { + if (error != NULL) { + g_warning("%s", error->message); + g_error_free(error); + } + + return NULL; + } + + while (!input_stream->ready) { + ret = input_stream_buffer(input_stream, &error); + if (ret < 0) { + input_stream_close(input_stream); + g_warning("%s", error->message); + g_error_free(error); + return NULL; + } + } + + do { + nbytes = input_stream_read(input_stream, buffer + length, + sizeof(buffer) - length, &error); + if (nbytes == 0) { + if (error != NULL) { + g_warning("%s", error->message); + g_error_free(error); + } + + if (input_stream_eof(input_stream)) + break; + + /* I/O error */ + input_stream_close(input_stream); + return NULL; + } + + length += nbytes; + } while (length < sizeof(buffer)); + + input_stream_close(input_stream); + return g_strndup(buffer, length); +} + +/** + * Ini-style value fetcher. + * @param response data through which to search. + * @param name name of value to search for. + * @return value for param name in param reponse or NULL on error. Free with g_free. + */ +static char * +lastfm_find(const char *response, const char *name) +{ + size_t name_length = strlen(name); + + while (true) { + const char *eol = strchr(response, '\n'); + if (eol == NULL) + return NULL; + + if (strncmp(response, name, name_length) == 0 && + response[name_length] == '=') { + response += name_length + 1; + return g_strndup(response, eol - response); + } + + response = eol + 1; + } +} + +static struct playlist_provider * +lastfm_open_uri(const char *uri) +{ + struct lastfm_playlist *playlist; + GError *error = NULL; + char *p, *q, *response, *session; + + /* handshake */ + + p = g_strconcat("http://ws.audioscrobbler.com/radio/handshake.php?" + "version=1.1.1&platform=linux&" + "username=", lastfm_config.user, "&" + "passwordmd5=", lastfm_config.md5, "&" + "debug=0&partner=", NULL); + response = lastfm_get(p); + g_free(p); + if (response == NULL) + return NULL; + + /* extract session id from response */ + + session = lastfm_find(response, "session"); + g_free(response); + if (session == NULL) { + g_warning("last.fm handshake failed"); + return NULL; + } + + q = g_uri_escape_string(session, NULL, false); + g_free(session); + session = q; + + g_debug("session='%s'", session); + + /* "adjust" last.fm radio */ + + if (strlen(uri) > 9) { + char *escaped_uri; + + escaped_uri = g_uri_escape_string(uri, NULL, false); + + p = g_strconcat("http://ws.audioscrobbler.com/radio/adjust.php?" + "session=", session, "&url=", escaped_uri, "&debug=0", + NULL); + g_free(escaped_uri); + + response = lastfm_get(p); + g_free(response); + g_free(p); + + if (response == NULL) { + g_free(session); + return NULL; + } + } + + /* create the playlist object */ + + playlist = g_new(struct lastfm_playlist, 1); + playlist_provider_init(&playlist->base, &lastfm_playlist_plugin); + + /* open the last.fm playlist */ + + p = g_strconcat("http://ws.audioscrobbler.com/radio/xspf.php?" + "sk=", session, "&discovery=0&desktop=1.5.1.31879", + NULL); + g_free(session); + + playlist->is = input_stream_open(p, &error); + g_free(p); + + if (playlist->is == NULL) { + if (error != NULL) { + g_warning("Failed to load XSPF playlist: %s", + error->message); + g_error_free(error); + } else + g_warning("Failed to load XSPF playlist"); + g_free(playlist); + return NULL; + } + + while (!playlist->is->ready) { + int ret = input_stream_buffer(playlist->is, &error); + if (ret < 0) { + input_stream_close(playlist->is); + g_free(playlist); + g_warning("%s", error->message); + g_error_free(error); + return NULL; + } + + if (ret == 0) + /* nothing was buffered - wait */ + g_usleep(10000); + } + + /* last.fm does not send a MIME type, we have to fake it here + :-( */ + g_free(playlist->is->mime); + playlist->is->mime = g_strdup("application/xspf+xml"); + + /* parse the XSPF playlist */ + + playlist->xspf = playlist_list_open_stream(playlist->is, NULL); + if (playlist->xspf == NULL) { + input_stream_close(playlist->is); + g_free(playlist); + g_warning("Failed to parse XSPF playlist"); + return NULL; + } + + return &playlist->base; +} + +static void +lastfm_close(struct playlist_provider *_playlist) +{ + struct lastfm_playlist *playlist = (struct lastfm_playlist *)_playlist; + + playlist_plugin_close(playlist->xspf); + input_stream_close(playlist->is); + g_free(playlist); +} + +static struct song * +lastfm_read(struct playlist_provider *_playlist) +{ + struct lastfm_playlist *playlist = (struct lastfm_playlist *)_playlist; + + return playlist_plugin_read(playlist->xspf); +} + +static const char *const lastfm_schemes[] = { + "lastfm", + NULL +}; + +const struct playlist_plugin lastfm_playlist_plugin = { + .name = "lastfm", + + .init = lastfm_init, + .finish = lastfm_finish, + .open_uri = lastfm_open_uri, + .close = lastfm_close, + .read = lastfm_read, + + .schemes = lastfm_schemes, +}; diff --git a/src/playlist/lastfm_playlist_plugin.h b/src/playlist/lastfm_playlist_plugin.h new file mode 100644 index 000000000..363377c21 --- /dev/null +++ b/src/playlist/lastfm_playlist_plugin.h @@ -0,0 +1,25 @@ +/* + * Copyright (C) 2003-2010 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_PLAYLIST_LASTFM_PLAYLIST_PLUGIN_H +#define MPD_PLAYLIST_LASTFM_PLAYLIST_PLUGIN_H + +extern const struct playlist_plugin lastfm_playlist_plugin; + +#endif diff --git a/src/playlist/m3u_playlist_plugin.c b/src/playlist/m3u_playlist_plugin.c new file mode 100644 index 000000000..221c27277 --- /dev/null +++ b/src/playlist/m3u_playlist_plugin.c @@ -0,0 +1,92 @@ +/* + * Copyright (C) 2003-2010 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/m3u_playlist_plugin.h" +#include "playlist_plugin.h" +#include "text_input_stream.h" +#include "uri.h" +#include "song.h" + +#include <glib.h> + +struct m3u_playlist { + struct playlist_provider base; + + struct text_input_stream *tis; +}; + +static struct playlist_provider * +m3u_open_stream(struct input_stream *is) +{ + struct m3u_playlist *playlist = g_new(struct m3u_playlist, 1); + + playlist_provider_init(&playlist->base, &m3u_playlist_plugin); + playlist->tis = text_input_stream_new(is); + + return &playlist->base; +} + +static void +m3u_close(struct playlist_provider *_playlist) +{ + struct m3u_playlist *playlist = (struct m3u_playlist *)_playlist; + + text_input_stream_free(playlist->tis); + g_free(playlist); +} + +static struct song * +m3u_read(struct playlist_provider *_playlist) +{ + struct m3u_playlist *playlist = (struct m3u_playlist *)_playlist; + const char *line; + + do { + line = text_input_stream_read(playlist->tis); + if (line == NULL) + return NULL; + + while (*line != 0 && g_ascii_isspace(*line)) + ++line; + } while (line[0] == '#' || *line == 0); + + return song_remote_new(line); +} + +static const char *const m3u_suffixes[] = { + "m3u", + NULL +}; + +static const char *const m3u_mime_types[] = { + "audio/x-mpegurl", + NULL +}; + +const struct playlist_plugin m3u_playlist_plugin = { + .name = "m3u", + + .open_stream = m3u_open_stream, + .close = m3u_close, + .read = m3u_read, + + .suffixes = m3u_suffixes, + .mime_types = m3u_mime_types, +}; diff --git a/src/playlist/m3u_playlist_plugin.h b/src/playlist/m3u_playlist_plugin.h new file mode 100644 index 000000000..98dcc4729 --- /dev/null +++ b/src/playlist/m3u_playlist_plugin.h @@ -0,0 +1,25 @@ +/* + * Copyright (C) 2003-2010 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_PLAYLIST_M3U_PLAYLIST_PLUGIN_H +#define MPD_PLAYLIST_M3U_PLAYLIST_PLUGIN_H + +extern const struct playlist_plugin m3u_playlist_plugin; + +#endif diff --git a/src/playlist/pls_playlist_plugin.c b/src/playlist/pls_playlist_plugin.c new file mode 100644 index 000000000..2a36f12f5 --- /dev/null +++ b/src/playlist/pls_playlist_plugin.c @@ -0,0 +1,219 @@ +/* + * Copyright (C) 2003-2010 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/pls_playlist_plugin.h" +#include "playlist_plugin.h" +#include "input_stream.h" +#include "uri.h" +#include "song.h" +#include "tag.h" +#include <glib.h> + +struct pls_playlist { + struct playlist_provider base; + + GSList *songs; +}; + +static void pls_parser(GKeyFile *keyfile, struct pls_playlist *playlist) +{ + gchar *key; + gchar *value; + int length; + GError *error = NULL; + int num_entries = g_key_file_get_integer(keyfile, "playlist", + "NumberOfEntries", &error); + if (error) { + g_debug("Invalid PLS file: '%s'", error->message); + g_error_free(error); + error = NULL; + + /* Hack to work around shoutcast failure to comform to spec */ + num_entries = g_key_file_get_integer(keyfile, "playlist", + "numberofentries", &error); + if (error) { + g_error_free(error); + error = NULL; + } + } + + while (num_entries > 0) { + struct song *song; + key = g_strdup_printf("File%i", num_entries); + value = g_key_file_get_string(keyfile, "playlist", key, + &error); + if(error) { + g_debug("Invalid PLS entry %s: '%s'",key, error->message); + g_error_free(error); + g_free(key); + return; + } + g_free(key); + + song = song_remote_new(value); + g_free(value); + + key = g_strdup_printf("Title%i", num_entries); + value = g_key_file_get_string(keyfile, "playlist", key, + &error); + g_free(key); + if(error == NULL && value){ + if (song->tag == NULL) + song->tag = tag_new(); + tag_add_item(song->tag,TAG_TITLE, value); + } + /* Ignore errors? Most likely value not present */ + if(error) g_error_free(error); + error = NULL; + g_free(value); + + key = g_strdup_printf("Length%i", num_entries); + length = g_key_file_get_integer(keyfile, "playlist", key, + &error); + g_free(key); + if(error == NULL && length > 0){ + if (song->tag == NULL) + song->tag = tag_new(); + song->tag->time = length; + } + /* Ignore errors? Most likely value not present */ + if(error) g_error_free(error); + error = NULL; + + playlist->songs = g_slist_prepend(playlist->songs, song); + num_entries--; + } + +} + +static struct playlist_provider * +pls_open_stream(struct input_stream *is) +{ + GError *error = NULL; + size_t nbytes; + char buffer[1024]; + bool success; + GKeyFile *keyfile; + struct pls_playlist *playlist; + GString *kf_data = g_string_new(""); + + do { + nbytes = input_stream_read(is, buffer, sizeof(buffer), &error); + if (nbytes == 0) { + if (error != NULL) { + g_string_free(kf_data, TRUE); + g_warning("%s", error->message); + g_error_free(error); + return NULL; + } + + break; + } + + kf_data = g_string_append_len(kf_data, buffer,nbytes); + /* Limit to 64k */ + } while(kf_data->len < 65536); + + if (kf_data->len == 0) { + g_warning("KeyFile parser failed: No Data"); + g_string_free(kf_data, TRUE); + return NULL; + } + + keyfile = g_key_file_new(); + success = g_key_file_load_from_data(keyfile, + kf_data->str, kf_data->len, + G_KEY_FILE_NONE, &error); + + g_string_free(kf_data, TRUE); + + if (!success) { + g_warning("KeyFile parser failed: %s", error->message); + g_error_free(error); + g_key_file_free(keyfile); + return NULL; + } + + playlist = g_new(struct pls_playlist, 1); + playlist_provider_init(&playlist->base, &pls_playlist_plugin); + playlist->songs = NULL; + + pls_parser(keyfile, playlist); + + g_key_file_free(keyfile); + return &playlist->base; +} + + +static void +song_free_callback(gpointer data, G_GNUC_UNUSED gpointer user_data) +{ + struct song *song = data; + + song_free(song); +} + +static void +pls_close(struct playlist_provider *_playlist) +{ + struct pls_playlist *playlist = (struct pls_playlist *)_playlist; + + g_slist_foreach(playlist->songs, song_free_callback, NULL); + g_slist_free(playlist->songs); + + g_free(playlist); + +} + +static struct song * +pls_read(struct playlist_provider *_playlist) +{ + struct pls_playlist *playlist = (struct pls_playlist *)_playlist; + struct song *song; + + if (playlist->songs == NULL) + return NULL; + + song = playlist->songs->data; + playlist->songs = g_slist_remove(playlist->songs, song); + + return song; +} + +static const char *const pls_suffixes[] = { + "pls", + NULL +}; + +static const char *const pls_mime_types[] = { + "audio/x-scpls", + NULL +}; + +const struct playlist_plugin pls_playlist_plugin = { + .name = "pls", + + .open_stream = pls_open_stream, + .close = pls_close, + .read = pls_read, + + .suffixes = pls_suffixes, + .mime_types = pls_mime_types, +}; diff --git a/src/playlist/pls_playlist_plugin.h b/src/playlist/pls_playlist_plugin.h new file mode 100644 index 000000000..c3bcf3f05 --- /dev/null +++ b/src/playlist/pls_playlist_plugin.h @@ -0,0 +1,25 @@ +/* + * Copyright (C) 2003-2010 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_PLAYLIST_PLS_PLAYLIST_PLUGIN_H +#define MPD_PLAYLIST_PLS_PLAYLIST_PLUGIN_H + +extern const struct playlist_plugin pls_playlist_plugin; + +#endif diff --git a/src/playlist/xspf_playlist_plugin.c b/src/playlist/xspf_playlist_plugin.c new file mode 100644 index 000000000..50f6bd1e7 --- /dev/null +++ b/src/playlist/xspf_playlist_plugin.c @@ -0,0 +1,342 @@ +/* + * Copyright (C) 2003-2010 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/xspf_playlist_plugin.h" +#include "playlist_plugin.h" +#include "input_stream.h" +#include "uri.h" +#include "song.h" +#include "tag.h" + +#include <glib.h> + +#include <assert.h> +#include <string.h> + +#undef G_LOG_DOMAIN +#define G_LOG_DOMAIN "xspf" + +/** + * This is the state object for the GLib XML parser. + */ +struct xspf_parser { + /** + * The list of songs (in reverse order because that's faster + * while adding). + */ + GSList *songs; + + /** + * The current position in the XML file. + */ + enum { + ROOT, PLAYLIST, TRACKLIST, TRACK, + LOCATION, + } state; + + /** + * The current tag within the "track" element. This is only + * valid if state==TRACK. TAG_NUM_OF_ITEM_TYPES means there + * is no (known) tag. + */ + enum tag_type tag; + + /** + * The current song. It is allocated after the "location" + * element. + */ + struct song *song; +}; + +static void +xspf_start_element(G_GNUC_UNUSED GMarkupParseContext *context, + const gchar *element_name, + G_GNUC_UNUSED const gchar **attribute_names, + G_GNUC_UNUSED const gchar **attribute_values, + gpointer user_data, G_GNUC_UNUSED GError **error) +{ + struct xspf_parser *parser = user_data; + + switch (parser->state) { + case ROOT: + if (strcmp(element_name, "playlist") == 0) + parser->state = PLAYLIST; + + break; + + case PLAYLIST: + if (strcmp(element_name, "trackList") == 0) + parser->state = TRACKLIST; + + break; + + case TRACKLIST: + if (strcmp(element_name, "track") == 0) { + parser->state = TRACK; + parser->song = NULL; + parser->tag = TAG_NUM_OF_ITEM_TYPES; + } + + break; + + case TRACK: + if (strcmp(element_name, "location") == 0) + parser->state = LOCATION; + else if (strcmp(element_name, "title") == 0) + parser->tag = TAG_TITLE; + else if (strcmp(element_name, "creator") == 0) + /* TAG_COMPOSER would be more correct + according to the XSPF spec */ + parser->tag = TAG_ARTIST; + else if (strcmp(element_name, "annotation") == 0) + parser->tag = TAG_COMMENT; + else if (strcmp(element_name, "album") == 0) + parser->tag = TAG_ALBUM; + else if (strcmp(element_name, "trackNum") == 0) + parser->tag = TAG_TRACK; + + break; + + case LOCATION: + break; + } +} + +static void +xspf_end_element(G_GNUC_UNUSED GMarkupParseContext *context, + const gchar *element_name, + gpointer user_data, G_GNUC_UNUSED GError **error) +{ + struct xspf_parser *parser = user_data; + + switch (parser->state) { + case ROOT: + break; + + case PLAYLIST: + if (strcmp(element_name, "playlist") == 0) + parser->state = ROOT; + + break; + + case TRACKLIST: + if (strcmp(element_name, "tracklist") == 0) + parser->state = PLAYLIST; + + break; + + case TRACK: + if (strcmp(element_name, "track") == 0) { + if (parser->song != NULL) + parser->songs = g_slist_prepend(parser->songs, + parser->song); + + parser->state = TRACKLIST; + } else + parser->tag = TAG_NUM_OF_ITEM_TYPES; + + break; + + case LOCATION: + parser->state = TRACK; + break; + } +} + +static void +xspf_text(G_GNUC_UNUSED GMarkupParseContext *context, + const gchar *text, gsize text_len, + gpointer user_data, G_GNUC_UNUSED GError **error) +{ + struct xspf_parser *parser = user_data; + + switch (parser->state) { + case ROOT: + case PLAYLIST: + case TRACKLIST: + break; + + case TRACK: + if (parser->song != NULL && + parser->tag != TAG_NUM_OF_ITEM_TYPES) { + if (parser->song->tag == NULL) + parser->song->tag = tag_new(); + tag_add_item_n(parser->song->tag, parser->tag, + text, text_len); + } + + break; + + case LOCATION: + if (parser->song == NULL) { + char *uri = g_strndup(text, text_len); + parser->song = song_remote_new(uri); + g_free(uri); + } + + break; + } +} + +static const GMarkupParser xspf_parser = { + .start_element = xspf_start_element, + .end_element = xspf_end_element, + .text = xspf_text, +}; + +static void +song_free_callback(gpointer data, G_GNUC_UNUSED gpointer user_data) +{ + struct song *song = data; + + song_free(song); +} + +static void +xspf_parser_destroy(gpointer data) +{ + struct xspf_parser *parser = data; + + if (parser->state >= TRACK && parser->song != NULL) + song_free(parser->song); + + g_slist_foreach(parser->songs, song_free_callback, NULL); + g_slist_free(parser->songs); +} + +/* + * The playlist object + * + */ + +struct xspf_playlist { + struct playlist_provider base; + + GSList *songs; +}; + +static struct playlist_provider * +xspf_open_stream(struct input_stream *is) +{ + struct xspf_parser parser = { + .songs = NULL, + .state = ROOT, + }; + struct xspf_playlist *playlist; + GMarkupParseContext *context; + char buffer[1024]; + size_t nbytes; + bool success; + GError *error = NULL; + + /* parse the XSPF XML file */ + + context = g_markup_parse_context_new(&xspf_parser, + G_MARKUP_TREAT_CDATA_AS_TEXT, + &parser, xspf_parser_destroy); + + while (true) { + nbytes = input_stream_read(is, buffer, sizeof(buffer), &error); + if (nbytes == 0) { + if (error != NULL) { + g_markup_parse_context_free(context); + g_warning("%s", error->message); + g_error_free(error); + return NULL; + } + + break; + } + + success = g_markup_parse_context_parse(context, buffer, nbytes, + &error); + if (!success) { + g_warning("XML parser failed: %s", error->message); + g_error_free(error); + g_markup_parse_context_free(context); + return NULL; + } + } + + success = g_markup_parse_context_end_parse(context, &error); + if (!success) { + g_warning("XML parser failed: %s", error->message); + g_error_free(error); + g_markup_parse_context_free(context); + return NULL; + } + + /* create a #xspf_playlist object from the parsed song list */ + + playlist = g_new(struct xspf_playlist, 1); + playlist_provider_init(&playlist->base, &xspf_playlist_plugin); + playlist->songs = g_slist_reverse(parser.songs); + parser.songs = NULL; + + g_markup_parse_context_free(context); + + return &playlist->base; +} + +static void +xspf_close(struct playlist_provider *_playlist) +{ + struct xspf_playlist *playlist = (struct xspf_playlist *)_playlist; + + g_slist_foreach(playlist->songs, song_free_callback, NULL); + g_slist_free(playlist->songs); + g_free(playlist); +} + +static struct song * +xspf_read(struct playlist_provider *_playlist) +{ + struct xspf_playlist *playlist = (struct xspf_playlist *)_playlist; + struct song *song; + + if (playlist->songs == NULL) + return NULL; + + song = playlist->songs->data; + playlist->songs = g_slist_remove(playlist->songs, song); + + return song; +} + +static const char *const xspf_suffixes[] = { + "xspf", + NULL +}; + +static const char *const xspf_mime_types[] = { + "application/xspf+xml", + NULL +}; + +const struct playlist_plugin xspf_playlist_plugin = { + .name = "xspf", + + .open_stream = xspf_open_stream, + .close = xspf_close, + .read = xspf_read, + + .suffixes = xspf_suffixes, + .mime_types = xspf_mime_types, +}; diff --git a/src/playlist/xspf_playlist_plugin.h b/src/playlist/xspf_playlist_plugin.h new file mode 100644 index 000000000..ea832207d --- /dev/null +++ b/src/playlist/xspf_playlist_plugin.h @@ -0,0 +1,25 @@ +/* + * Copyright (C) 2003-2010 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_PLAYLIST_XSPF_PLAYLIST_PLUGIN_H +#define MPD_PLAYLIST_XSPF_PLAYLIST_PLUGIN_H + +extern const struct playlist_plugin xspf_playlist_plugin; + +#endif |