push

ip.h

@@ -0,0 +1,117 @@
+/*
+ * Copyright 2008-2013 Various Authors
+ * Copyright 2004-2005 Timo Hirvonen
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef CMUS_IP_H
+#define CMUS_IP_H
+
+#include "keyval.h"
+#include "sf.h"
+#include "channelmap.h"
+
+#ifndef __GNUC__
+#include <fcntl.h>
+#include <unistd.h>
+#endif
+
+#define IP_ABI_VERSION 2
+
+enum {
+	/* no error */
+	IP_ERROR_SUCCESS,
+	/* system error (error code in errno) */
+	IP_ERROR_ERRNO,
+	/* file type not recognized */
+	IP_ERROR_UNRECOGNIZED_FILE_TYPE,
+	/* file type recognized, but not supported */
+	IP_ERROR_UNSUPPORTED_FILE_TYPE,
+	/* function not supported (usually seek) */
+	IP_ERROR_FUNCTION_NOT_SUPPORTED,
+	/* input plugin detected corrupted file */
+	IP_ERROR_FILE_FORMAT,
+	/* malformed uri */
+	IP_ERROR_INVALID_URI,
+	/* sample format not supported */
+	IP_ERROR_SAMPLE_FORMAT,
+	/* wrong disc inserted */
+	IP_ERROR_WRONG_DISC,
+	/* could not read disc */
+	IP_ERROR_NO_DISC,
+	/* error parsing response line / headers */
+	IP_ERROR_HTTP_RESPONSE,
+	/* usually 404 */
+	IP_ERROR_HTTP_STATUS,
+	/* too many redirections */
+	IP_ERROR_HTTP_REDIRECT_LIMIT,
+	/* plugin does not have this option */
+	IP_ERROR_NOT_OPTION,
+	/*  */
+	IP_ERROR_INTERNAL
+};
+
+struct input_plugin_data {
+	/* filled by ip-layer */
+	char *filename;
+	int fd;
+
+	unsigned int remote : 1;
+	unsigned int metadata_changed : 1;
+
+	/* shoutcast */
+	int counter;
+	int metaint;
+	char *metadata;
+	char *icy_name;
+	char *icy_genre;
+	char *icy_url;
+	char *icy_br;
+
+	/* filled by plugin */
+	sample_format_t sf;
+	channel_position_t channel_map[CHANNELS_MAX];
+	void *private;
+};
+
+struct input_plugin_ops {
+	int (*open)(struct input_plugin_data *ip_data);
+	int (*close)(struct input_plugin_data *ip_data);
+	int (*read)(struct input_plugin_data *ip_data, char *buffer, int count);
+	int (*seek)(struct input_plugin_data *ip_data, double offset);
+	int (*read_comments)(struct input_plugin_data *ip_data,
+			struct keyval **comments);
+	int (*duration)(struct input_plugin_data *ip_data);
+	long (*bitrate)(struct input_plugin_data *ip_data);
+	long (*bitrate_current)(struct input_plugin_data *ip_data);
+	char *(*codec)(struct input_plugin_data *ip_data);
+	char *(*codec_profile)(struct input_plugin_data *ip_data);
+};
+
+struct input_plugin_opt {
+	const char *name;
+	int (*set)(const char *val);
+	int (*get)(char **val);
+};
+
+/* symbols exported by plugin */
+extern const struct input_plugin_ops ip_ops;
+extern const int ip_priority;
+extern const char * const ip_extensions[];
+extern const char * const ip_mime_types[];
+extern const struct input_plugin_opt ip_options[];
+extern const unsigned ip_abi_version;
+
+#endif