150 lines
3.7 KiB
C
150 lines
3.7 KiB
C
/*
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* Copyright (C) 2003-2011 The Music Player Daemon Project
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include "icy_server.h"
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#include <glib.h>
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#include <assert.h>
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#undef G_LOG_DOMAIN
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#define G_LOG_DOMAIN "icy_server"
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char*
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icy_server_metadata_header(const char *name,
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const char *genre, const char *url,
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const char *content_type, int metaint)
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{
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return g_strdup_printf("ICY 200 OK\r\n"
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"icy-notice1:<BR>This stream requires an audio player!<BR>\r\n" /* TODO */
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"icy-notice2:MPD - The music player daemon<BR>\r\n"
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"icy-name: %s\r\n" /* TODO */
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"icy-genre: %s\r\n" /* TODO */
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"icy-url: %s\r\n" /* TODO */
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"icy-pub:1\r\n"
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"icy-metaint:%d\r\n"
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/* TODO "icy-br:%d\r\n" */
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"Content-Type: %s\r\n"
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"Connection: close\r\n"
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"Pragma: no-cache\r\n"
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"Cache-Control: no-cache, no-store\r\n"
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"\r\n",
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name,
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genre,
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url,
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metaint,
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/* bitrate, */
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content_type);
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}
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static char *
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icy_server_metadata_string(const char *stream_title, const char* stream_url)
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{
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gchar *icy_metadata;
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guint meta_length;
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// The leading n is a placeholder for the length information
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icy_metadata = g_strdup_printf("nStreamTitle='%s';"
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"StreamUrl='%s';",
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stream_title,
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stream_url);
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g_return_val_if_fail(icy_metadata, NULL);
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meta_length = strlen(icy_metadata);
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meta_length--; // subtract placeholder
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meta_length = ((int)meta_length / 16) + 1;
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icy_metadata[0] = meta_length;
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if (meta_length > 255) {
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g_free(icy_metadata);
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return NULL;
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}
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return icy_metadata;
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}
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struct page*
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icy_server_metadata_page(const struct tag *tag, ...)
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{
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va_list args;
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const gchar *tag_items[TAG_NUM_OF_ITEM_TYPES];
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gint last_item, item;
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guint position;
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gchar *icy_string;
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struct page *icy_metadata;
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gchar stream_title[(1 + 255 - 28) * 16]; // Length + Metadata -
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// "StreamTitle='';StreamUrl='';"
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// = 4081 - 28
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stream_title[0] = '\0';
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last_item = -1;
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va_start(args, tag);
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while (1) {
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enum tag_type type;
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const gchar *tag_item;
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type = va_arg(args, enum tag_type);
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if (type == TAG_NUM_OF_ITEM_TYPES)
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break;
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tag_item = tag_get_value(tag, type);
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if (tag_item)
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tag_items[++last_item] = tag_item;
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}
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va_end(args);
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position = item = 0;
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while (position < sizeof(stream_title) && item <= last_item) {
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gint length = 0;
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length = g_strlcpy(stream_title + position,
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tag_items[item++],
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sizeof(stream_title) - position);
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position += length;
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if (item <= last_item) {
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length = g_strlcpy(stream_title + position,
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" - ",
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sizeof(stream_title) - position);
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position += length;
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}
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}
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icy_string = icy_server_metadata_string(stream_title, "");
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if (icy_string == NULL)
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return NULL;
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icy_metadata = page_new_copy(icy_string, (icy_string[0] * 16) + 1);
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g_free(icy_string);
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return icy_metadata;
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}
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