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ezstream/win32/shout/shout.h

210 lines
6.8 KiB
C

/* shout.h
*
* API for libshout, the streaming library for icecast
*
* Copyright (C) 2002-2003 the Icecast team <team@icecast.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __LIBSHOUT_SHOUT_H__
#define __LIBSHOUT_SHOUT_H__
#define VERSION "2.2.2"
#define LIBSHOUT_MAJOR 2
#define LIBSHOUT_MINOR 2
#define LIBSHOUT_MICRO 2
#include <sys/types.h>
#ifdef WIN32
#include <os.h>
#endif
#define SHOUTERR_SUCCESS (0)
#define SHOUTERR_INSANE (-1)
#define SHOUTERR_NOCONNECT (-2)
#define SHOUTERR_NOLOGIN (-3)
#define SHOUTERR_SOCKET (-4)
#define SHOUTERR_MALLOC (-5)
#define SHOUTERR_METADATA (-6)
#define SHOUTERR_CONNECTED (-7)
#define SHOUTERR_UNCONNECTED (-8)
#define SHOUTERR_UNSUPPORTED (-9)
#define SHOUTERR_BUSY (-10)
#define SHOUT_FORMAT_OGG (0)
#define SHOUT_FORMAT_MP3 (1)
/* backward-compatibility alias */
#define SHOUT_FORMAT_VORBIS SHOUT_FORMAT_OGG
#define SHOUT_PROTOCOL_HTTP (0)
#define SHOUT_PROTOCOL_XAUDIOCAST (1)
#define SHOUT_PROTOCOL_ICY (2)
#define SHOUT_AI_BITRATE "bitrate"
#define SHOUT_AI_SAMPLERATE "samplerate"
#define SHOUT_AI_CHANNELS "channels"
#define SHOUT_AI_QUALITY "quality"
typedef struct shout shout_t;
typedef struct _util_dict shout_metadata_t;
#ifdef __cplusplus
extern "C" {
#endif
/* initializes the shout library. Must be called before anything else */
void shout_init(void);
/* shuts down the shout library, deallocating any global storage. Don't call
* anything afterwards */
void shout_shutdown(void);
/* returns a static version string. Non-null parameters will be set to the
* value of the library major, minor, and patch levels, respectively */
const char *shout_version(int *major, int *minor, int *patch);
/* Allocates and sets up a new shout_t. Returns NULL if it can't get enough
* memory. The returns shout_t must be disposed of with shout_free. */
shout_t *shout_new(void);
/* Free all memory allocated by a shout_t */
void shout_free(shout_t *self);
/* Returns a statically allocated string describing the last shout error
* to occur. Only valid until the next libshout call on this shout_t */
const char *shout_get_error(shout_t *self);
/* Return the error code (e.g. SHOUTERR_SOCKET) for this shout instance */
int shout_get_errno(shout_t *self);
/* returns SHOUTERR_CONNECTED or SHOUTERR_UNCONNECTED */
int shout_get_connected(shout_t *self);
/* Parameter manipulation functions. libshout makes copies of all parameters,
* the caller may free its copies after giving them to libshout. May return
* SHOUTERR_MALLOC */
int shout_set_host(shout_t *self, const char *host);
const char *shout_get_host(shout_t *self);
int shout_set_port(shout_t *self, unsigned short port);
unsigned short shout_get_port(shout_t *self);
int shout_set_password(shout_t *, const char *password);
const char *shout_get_password(shout_t *self);
int shout_set_mount(shout_t *self, const char *mount);
const char *shout_get_mount(shout_t *self);
int shout_set_name(shout_t *self, const char *name);
const char *shout_get_name(shout_t *self);
int shout_set_url(shout_t *self, const char *url);
const char *shout_get_url(shout_t *self);
int shout_set_genre(shout_t *self, const char *genre);
const char *shout_get_genre(shout_t *self);
int shout_set_user(shout_t *self, const char *username);
const char *shout_get_user(shout_t *self);
int shout_set_agent(shout_t *self, const char *username);
const char *shout_get_agent(shout_t *self);
int shout_set_description(shout_t *self, const char *description);
const char *shout_get_description(shout_t *self);
int shout_set_dumpfile(shout_t *self, const char *dumpfile);
const char *shout_get_dumpfile(shout_t *self);
int shout_set_audio_info(shout_t *self, const char *name, const char *value);
const char *shout_get_audio_info(shout_t *self, const char *name);
int shout_set_public(shout_t *self, unsigned int make_public);
unsigned int shout_get_public(shout_t *self);
/* takes a SHOUT_FORMAT_xxxx argument */
int shout_set_format(shout_t *self, unsigned int format);
unsigned int shout_get_format(shout_t *self);
/* takes a SHOUT_PROTOCOL_xxxxx argument */
int shout_set_protocol(shout_t *self, unsigned int protocol);
unsigned int shout_get_protocol(shout_t *self);
/* Instructs libshout to use nonblocking I/O. Must be called before
* shout_open (no switching back and forth midstream at the moment). */
int shout_set_nonblocking(shout_t* self, unsigned int nonblocking);
unsigned int shout_get_nonblocking(shout_t *self);
/* Opens a connection to the server. All parameters must already be set */
int shout_open(shout_t *self);
/* Closes a connection to the server */
int shout_close(shout_t *self);
/* Send data to the server, parsing it for format specific timing info */
int shout_send(shout_t *self, const unsigned char *data, size_t len);
/* Send unparsed data to the server. Do not use this unless you know
* what you are doing.
* Returns the number of bytes written, or < 0 on error.
*/
ssize_t shout_send_raw(shout_t *self, const unsigned char *data, size_t len);
/* return the number of bytes currently on the write queue (only makes sense in
* nonblocking mode). */
ssize_t shout_queuelen(shout_t *self);
/* Puts caller to sleep until it is time to send more data to the server */
void shout_sync(shout_t *self);
/* Amount of time in ms caller should wait before sending again */
int shout_delay(shout_t *self);
/* Sets MP3 metadata.
* Returns:
* SHOUTERR_SUCCESS
* SHOUTERR_UNSUPPORTED if format isn't MP3
* SHOUTERR_MALLOC
* SHOUTERR_INSANE
* SHOUTERR_NOCONNECT
* SHOUTERR_SOCKET
*/
int shout_set_metadata(shout_t *self, shout_metadata_t *metadata);
/* Allocates a new metadata structure. Must be freed by shout_metadata_free. */
shout_metadata_t *shout_metadata_new(void);
/* Free resources allocated by shout_metadata_t */
void shout_metadata_free(shout_metadata_t *self);
/* Add a parameter to the metadata structure.
* Returns:
* SHOUTERR_SUCCESS on success
* SHOUTERR_INSANE if self isn't a valid shout_metadata_t* or name is null
* SHOUTERR_MALLOC if memory can't be allocated */
int shout_metadata_add(shout_metadata_t *self, const char *name, const char *value);
#ifdef __cplusplus
}
#endif
/* --- Compiled features --- */
#define SHOUT_THREADSAFE 0
#endif /* __LIBSHOUT_SHOUT_H__ */