diff options
Diffstat (limited to 'src/playlist')
| -rw-r--r-- | src/playlist/extm3u_playlist_plugin.c | 160 | ||||
| -rw-r--r-- | src/playlist/extm3u_playlist_plugin.h | 25 |
2 files changed, 185 insertions, 0 deletions
diff --git a/src/playlist/extm3u_playlist_plugin.c b/src/playlist/extm3u_playlist_plugin.c new file mode 100644 index 000000000..3f55e5ad4 --- /dev/null +++ b/src/playlist/extm3u_playlist_plugin.c @@ -0,0 +1,160 @@ +/* + * Copyright (C) 2003-2009 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 "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..07f18eafa --- /dev/null +++ b/src/playlist/extm3u_playlist_plugin.h @@ -0,0 +1,25 @@ +/* + * Copyright (C) 2003-2009 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 |